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1 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
2
3         PR middle-end/33074
4         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5         REG_LIBCALL note.
6
7 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
8
9         * tree-pass.h (PROP_pta): Removed.
10         (TODO_rebuild_alias): New.
11         (pass_may_alias): Removed.
12         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
13         aliasing if we changed something.
14         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
15         SSA internally.
16         (pass_may_alias): Removed.
17         (create_structure_vars): Return TODO_rebuild_alias.
18         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
19         * tree-sra.c (tree_sra): Only rebuild aliasing if something
20         changed.
21         (tree_sra_early): We never affect aliasing right now.
22         * tree-flow.h (compute_may_aliases): New prototype.
23         * passes.c: Remove pass_may_alias from the passes.
24         (execute_function_todo): Support TODO_rebuild_alias.    
25
26 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
27
28         * i386.c: (legitimize_address): Move dllimported variable check
29         infront of legitimizing pic address of CONST symbols.
30
31 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
32
33         PR tree-optimization/32941
34         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
35         (goto_queue_cmp): Remove.
36         (find_goto_replacement): Change search method.
37         (maybe_record_in_goto_queue): Add assert.
38         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
39         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
40
41 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
42
43         * alias.c (component_uses_parent_alias_set): Constify.
44         * alias.h (component_uses_parent_alias_set): Likewise.
45         * cfgrtl.c (print_rtl_with_bb): Likewise.
46         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
47         mpz_get_double_int): Likewise.
48         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
49         mpz_get_double_int): Likewise.
50         * expr.c (is_aligning_offset, undefined_operand_subword_p,
51         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
52         Likewise.
53         * expr.h (safe_from_p): Likewise.
54         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
55         Likewise.
56         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
57         zero_sized_type, goa_lhs_expr_p): Likewise.
58         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
59         * rtl.h (print_rtl_with_bb): Likewise.
60         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
61         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
62         * tree-flow-inline.h (bb_stmt_list): Constify.
63         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
64         cbsi_stmt): New.
65         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
66         const_first_stmt, const_last_stmt): New.
67         (block_may_fallthru, empty_block_p): Constify.
68         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
69         EXPR_ONLY_BODY): New.
70         (expr_first, expr_last, expr_only): Use macro for body.
71         (const_expr_first, const_expr_last, const_expr_only): New.
72         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
73         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
74         ctsi_prev, ctsi_stmt): New.
75         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
76         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
77         * tree-ssa-loop-niter.c (loop_only_exit_p,
78         derive_constant_upper_bound): Likewise.
79         * tree-ssa-phiopt.c (empty_block_p): Likewise.
80         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
81         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
82         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
83         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
84         * tree.c (get_type_static_bounds): Likewise.
85         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
86         (get_type_static_bounds): Constify.
87
88 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
89
90         PR target/30315
91         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
92         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
93         (*<addsub><mode>3_cc_overflow): New.
94         (*add<mode>3_cconly_overflow): New.
95         (*sub<mode>3_cconly_overflow): New.
96         (*<addsub>si3_zext_cc_overflow): New.
97         * config/i386/predicates.md (fcmov_comparison_operator): Accept
98         CCCmode for LTU, GTU, LEU and GEU.
99         (ix86_comparison_operator): Likewise.
100         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
101         * config/i386/i386.c (put_condition_code): Support CCCmode.
102         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
103         or MINUS expressions.
104
105 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
106
107         PR c/30428
108         * c-typeck.c (build_binary_op): Disallow vector float types with
109         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
110
111 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
112
113         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
114         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
115         (dep_def): New typedef.
116         (init_dep_1, sd_debug_dep): Declare functions.
117         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
118         (debug_dep_links): Remove.
119         (struct _deps_list): New field 'n_links'.
120         (DEPS_LIST_N_LINKS): New macro.
121         (FOR_EACH_DEP_LINK): Remove.
122         (create_deps_list, free_deps_list, delete_deps_list): Remove
123         declaration.
124         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
125         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
126         (copy_deps_list_change_con, move_dep_link): Ditto.
127         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
128         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
129         'dep_count'.
130         (INSN_BACK_DEPS): Remove.
131         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
132         New macros.
133         (INSN_DEP_COUNT): Remove.
134         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
135         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
136         Declare global variables.
137         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
138         (add_forw_dep, compute_forward_dependences): Remove declarations.
139         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
140         (add_back_forw_dep, delete_back_forw_dep): Ditto.
141         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
142         functions.
143         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW): New
144         constants.
145         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
146         (sd_list_types_def): New typedef.
147         (sd_next_list): Declare function.
148         (struct _sd_iterator): New type.
149         (sd_iterator_def): New typedef.
150         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
151         functions.
152         (FOR_EACH_DEP): New cycle wrapper.
153         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
154         Declare functions.
155         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
156         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
157         Ditto.
158
159         * sched-deps.c (init_dep_1): Make global.
160         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
161         constants.
162         (dump_dep): New static function.
163         (dump_dep_flags): New static variable.
164         (sd_debug_dep): New function.
165         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
166         the list.
167         (move_dep_link): Use remove_from_deps_list (), instead of
168         detach_dep_link ().
169         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
170         (dep_link_is_detached_p): New static function.
171         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
172         instead.
173         (dn_pool, dl_pool): New alloc_pools.
174         (dn_pool_diff, dl_pool_diff): New static variables.
175         (create_dep_node, delete_dep_node): New static function.
176         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
177         (deps_list_empty_p): Make it static.  Use 'n_links' field.
178         (deps_pools_are_empty_p): New static function.
179         (alloc_deps_list, delete_deps_list): Remove.
180         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
181         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
182         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
183         (forward_dependency_cache): Remove.
184         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
185         'back' from the names.  Change signature to use dep_t instead of
186         equivalent quad.
187         (add_back_dep): Ditto.  Make global.
188         (check_dep_status): Rename to check_dep ().
189         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
190         New functions.
191         (sd_finish_insn): Ditto.
192         (sd_find_dep_between_no_cache): New static function.
193         (sd_find_dep_between): New function.
194         (ask_dependency_caches, set_dependency_caches): New static functions.
195         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
196         (add_or_update_dep_1): Separate pieces of functionality into
197         ask_dependency_caches (), update_dependency_caches (),
198         change_spec_dep_to_hard (), update_dep ().
199         (get_back_and_forw_lists): New static function.
200         (sd_add_dep): Separate setting of dependency caches into
201         set_dependency_caches ().
202         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
203         New functions.
204         (sd_delete_dep): Ditto.
205         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
206         (dump_lists): New static function.
207         (sd_debug_lists): New debug function.
208         (delete_all_dependences, fixup_sched_groups): Update to use
209         sd_* infrastructure.
210         (sched_analyze_2): Create data-speculative dependency only if
211         data-speculation is enabled.
212         (sched_analyze_insn): If insn cannot be speculative, make all its
213         dependencies non-speculative.
214         (sched_analyze): Use sd_init_insn ().
215         (add_forw_dep, compute_forward_dependencies): Remove.
216         (delete_dep_nodes_in_back_deps): New static function.
217         (sched_free_deps): New function.
218         (init_dependency_caches): Init alloc_pools.
219         (extend_depedency_caches): Update after removing of
220         forward_dependency_cache.
221         (free_dependency_caches): Ditto.  Free alloc_pools.
222         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
223         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
224         Ditto.
225         (add_back_forw_dep, delete_back_forw_dep): Ditto.
226         (add_dependence): Use init_dep ().
227         (get_dep_weak_1): New static function.
228         (get_dep_weak): Move logic to get_dep_weak_1 ().
229         (dump_ds): New static function moved from haifa-sched.c:
230         debug_spec_status ().
231         (debug_ds): New debug function.
232         (check_dep_status): Rename to check_dep ().  Update to check whole
233         dependencies.
234
235         * haifa-sched.c (spec_info): Make global.
236         (added_recovery_block_p): Rename to
237         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
238         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
239         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
240         to use new interfaces.
241         (ok_for_early_queue_removal): Ditto.
242         (schedule_block): Initialize logical uids of insns emitted by the
243         target.
244         (sched_init): Initialize new variable.
245         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
246         interfaces.
247         (extend_global): Initialize insn data.
248         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
249         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
250         new interfaces.
251         (add_to_speculative_block): Update to use new interfaces.
252         (create_recovery_block): Set new variables.
253         (create_check_block_twin, fix_recovery_deps): Update to use new
254         interfaces.
255         (sched_insn_is_legitimate_for_speculation_p): New function.
256         (speculate_insn): Move checking logic to
257         sched_insn_is_legitimate_for_speculation_p ().
258         (sched_remove_insn): Finalize sched-deps information of instruction.
259         (clear_priorities, add_jump_dependencies): Update to use new
260         interfaces.
261         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
262         
263         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
264         to use new interfaces.
265         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
266         (new_ready): Try to use control speculation only if it is available.
267         (add_branch_dependences): Update to use new interfaces.
268         (compute_block_backward_dependences): Rename to
269         compute_block_dependences ().  Call
270         targetm.sched.dependencies_evaluation_hook ().
271         (free_block_dependencies): New static function.
272         (debug_dependencies): Update to use new interfaces.
273         (schedule_region): Remove separate computation of forward dependencies.
274         Move call of targetm.sched.dependencies_evaluation_hook () to
275         compute_block_dependences ().  Free dependencies at the end of
276         scheduling the region.
277
278         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
279         new interfaces.
280         (add_deps_for_risky_insns): Ditto.
281         (schedule_ebb): Remove separate computation of forward dependencies.
282         Free dependencies at the end of scheduling the ebb.
283
284         * ddg.c (create_ddg_dependence): Update to use new interfaces.
285         (build_intra_loop_deps): Ditto.  Remove separate computation of forward
286         dependencies.  Free sched-deps dependencies.
287
288         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
289         to use new interfaces.
290         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
291
292         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
293         new interfaces.
294         (is_costly_group): Ditto.
295
296 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
297
298         * alias.c (rtx_equal_for_memref_p): Constify.
299         * basic-block.h (const_edge, const_basic_block): New.
300         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
301         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
302         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
303         probably_never_executed_bb_p, edge_probability_reliable_p,
304         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
305         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
306         Likewise.
307         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
308         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
309         Likewise.
310         * cfganal.c (flow_active_insn_p, forwarder_block_p,
311         flow_nodes_print, dfs_enumerate_from): Likewise.
312         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
313         control_flow_insn_p, count_basic_blocks): Likewise.
314         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
315         get_loop_body_with_size, loop_exit_edge_p): Likewise.
316         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
317         average_num_loop_insns, loop_exit_edge_p,
318         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
319         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
320         average_num_loop_insns, seq_cost): Likewise.
321         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
322         * dominance.c (dominated_by_p): Likewise.
323         * emit-rtl.c (validate_subreg): Likewise.
324         * except.c (can_throw_internal, can_throw_external): Likewise.
325         * except.h (can_throw_internal, can_throw_external): Likewise.
326         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
327         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
328         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
329         simple_mem, store_ops_ok, load_kills_store, find_loads,
330         store_killed_in_insn, store_killed_after, store_killed_before,
331         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
332         Likewise.
333         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
334         noce_mem_write_may_trap_or_fault_p): Likewise.
335         * pointer-set.c (pointer_set_contains, pointer_map_contains):
336         Likewise.
337         * pointer-set.h (pointer_set_contains, pointer_map_contains):
338         Likewise.
339         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
340         probably_cold_bb_p, probably_never_executed_bb_p,
341         edge_probability_reliable_p, br_prob_note_reliable_p,
342         can_predict_insn_p): Likewise.
343         * regclass.c (reg_set_to_hard_reg_set): Likewise.
344         * resource.c (return_insn_p): Likewise.
345         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
346         Likewise.
347         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
348         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
349         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
350         verify_gimple_modify_stmt): Likewise.
351         * tree-chrec.c (is_not_constant_evolution,
352         is_multivariate_chrec_rec, is_multivariate_chrec,
353         chrec_contains_symbols, chrec_contains_undetermined,
354         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
355         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
356         eq_evolutions_p, scev_direction): Likewise.
357         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
358         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
359         chrec_contains_symbols_defined_in_loop,
360         chrec_contains_undetermined, tree_contains_chrecs,
361         evolution_function_is_affine_multivariate_p,
362         evolution_function_is_univariate_p, chrec_zerop,
363         evolution_function_is_constant_p, evolution_function_is_affine_p,
364         evolution_function_is_affine_or_constant_p,
365         tree_does_not_contain_chrecs, chrec_type): Likewise.
366         * tree-data-ref.c (tree_fold_divides_p,
367         object_address_invariant_in_loop_p, dr_may_alias_p,
368         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
369         same_access_functions, constant_access_functions,
370         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
371         Likewise.
372         * tree-flow.h (scev_direction): Likewise.
373         * tree-gimple.c (is_gimple_stmt): Likewise.
374         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
375         Likewise.
376         * tree-pretty-print.c (op_prio): Likewise.
377         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
378         analyzable_condition, backedge_phi_arg_p): Likewise.
379         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
380         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
381         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
382         Likewise.
383
384 2007-08-13  Dan Hipschman  <dsh@google.com>
385
386         PR c/32953
387         * c-format.c (check_format_arg): Move check for zero-length
388         format strings below the check for unterminated strings.
389
390 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
391
392         PR C/30427
393         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
394         types.
395
396 2007-08-13  Nick Clifton  <nickc@redhat.com>
397
398         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
399
400 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
401
402         PR fortran/32860
403         * c-format.c (gcc_gfc_length_specs): New array.
404         (gcc_gfc_char_table): Add unsigned specifier, and references to
405         the l length modifier.
406         (format_types_orig): Use the new gcc_gfc_length_specs.
407
408 2007-08-12  Sa Liu  <saliu@de.ibm.com>
409
410         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
411         and with REG_RETVAL note after split.
412
413 2007-08-11  David Daney  <ddaney@avtrex.com>
414
415         * config/mips/mips.c (mips_sched_reorder):  Mark cycle parameter
416         as ATTRIBUTE_UNUSED.
417
418 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
419             Segher Boessenkool  <segher@kernel.crashing.org>
420
421         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
422         HAVE_LOCAL_CPU_DETECT not defined.
423
424 2007-08-11  Jan Hubicka  <jh@suse.cz>
425
426         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
427         (cgraph_process_new_functions): Honor previous value of
428         disregard_inline_limits.
429         * ipa-inline.c (compute_inline_parameters): Likewise.
430
431 2007-08-11  Ian Lance Taylor  <iant@google.com>
432
433         * alias.h (alias_set_type): Define new type.
434         (ALIAS_SET_MEMORY_BARRIER): Use it.
435         * rtl.h: Include alias.h.
436         (struct mem_attrs): Use alias_set_type.
437         * tree.h: Include alias.h
438         (struct tree_type): Use alias_set_type.
439         (struct tree_struct_field_tag): Likewise.
440         (struct tree_decl_common): Likewise.
441         * alias.c (struct alias_set_entry): Use alias_set_type.
442         (get_alias_set_entry, alias_set_subset_of): Likewise.
443         (alias_sets_conflict_p): Likewise.
444         (alias_sets_must_conflict_p): Likewise.
445         (objects_must_conflict_p): Likewise.
446         (get_alias_set, new_alias_set): Likewise.
447         (record_alias_subset, record_component_aliases): Likewise.
448         (varargs_set, frame_set): Change to alias_set_type.
449         (get_varargs_alias_set): Use alias_set_type.
450         (get_frame_alias_set): Likewise.
451         * builtins.c (setjmp_alias_set): Change to alias_set_type.
452         * dse.c (struct store_info): Use alias_set_type.
453         (struct read_info, struct clear_alias_mode_holder): Likewise.
454         (clear_alias_set_lookup, canon_address): Likewise.
455         (record_store, check_mem_read_rtx): Likewise.
456         (dse_record_singleton_alias_set): Likewise.
457         (dse_invalidate_singleton_alias_set): Likewise.
458         * emit-rtl.c (get_mem_attrs): Likewise.
459         (set_mem_attributes_minus_bitpos): Likewise.
460         (set_mem_alias_set): Likewise.
461         * expr.c (store_constructor_field, store_field): Likewise.
462         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
463         * langhooks.c (lhd_get_alias_set): Likewise.
464         * langhooks-def.h (lhd_get_alias_set): Likewise.
465         * reload1.c (alter_reg): Likewise.
466         * tree-flow.h (struct fieldoff): Likewise.
467         * tree-ssa-alias.c (struct alias_map_d): Likewise.
468         (may_alias_p, get_smt_for, create_sft): Likewise.
469         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
470         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
471         (merge_smts_into): Likewise.
472         * varasm.c (const_alias_set): Likewise.
473         * c-common.c (strict_aliasing_warning): Likewise.
474         (c_common_get_alias_set): Likewise.
475         * dse.h (dse_record_singleton_alias_set): Update declaration.
476         (dse_invalidate_singleton_alias_set): Likewise.
477         * emit-rtl.h (set_mem_alias_set): Likewise.
478         * c-common.h (c_common_get_alias_set): Likewise.
479         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
480         * print-tree.c (print_node): Likewise.
481         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
482         alias_set_type.
483         (alpha_setup_incoming_varargs): Use alias_set_type.
484         * config/i386/i386.c (setup_incoming_varargs_64): Use
485         alias_set_type.
486         (setup_incoming_varargs_ms_64): Likewise.
487         (ix86_GOT_alias_set): Likewise.
488         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
489         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
490         (set): Change to alias_set_type.
491         (get_TOC_alias_set): Use alias_set_type.
492         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
493         declaration.
494         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
495         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
496         alias_set_type.
497         (struct_value_alias_set): Likewise.
498         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
499
500 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
501
502         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
503         * config/vxworks.h (TARGET_VXWORKS): Override.
504         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
505         "mips" if TARGET_VXWORKS.
506
507 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
508
509         * calls.c (avoid_likely_spilled_reg): New function.
510         (expand_call): Use it.
511
512 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
513
514         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
515
516 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
517
518         * config/mips/predicates.md (const_call_insn_operand): Invoke
519         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
520
521 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
522
523         PR target/33042
524         * config/rs6000/driver-rs6000.c: Include link.h.
525         Use ElfW instead of wordsize-specif typedef.
526
527 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
528
529         * system.h (CONST_CAST): New.
530         * c-decl.c (c_make_fname_decl): Use it.
531         * c-lex.c (cb_ident, lex_string): Likewise.
532         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
533         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
534         give_switch, set_multilib_dir): Likewise.
535         * gengtype-parse.c (string_seq, typedef_name): Likewise.
536         * passes.c (execute_one_pass): Likewise.
537         * prefix.c (update_path): Likewise.
538         * pretty-print.c (pp_base_destroy_prefix): Likewise.
539         * tree.c (build_string): Likewise.
540
541 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
542
543         * tree-flow-inline.h (is_exec_stmt): Remove.
544         (is_label_stmt): Remove.
545         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
546         is_label_stmt.
547
548 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
549
550         * lower-subreg.c (resolve_shift_zext): Don't adjust
551         src_reg_num for wordmode operands.
552
553 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
554             David Ung  <davidu@mips.com>
555
556         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
557         (TARGET_SCHED_REORDER2): Define.
558         (mips_maybe_swap_ready): New.
559         (mips_last_74k_agen_insn): New.
560         (mips_74k_agen_init): New.
561         (mips_74k_agen_reorder): New function to group loads and stores
562         in the ready queue.
563         (mips_sched_init): New.  
564         (mips_sched_reorder): Don't do initialization here.  Call
565         mips_74k_agen_reorder.
566         (mips_variable_issue): Call mips_74k_agen_init.
567
568 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
569
570         * tree-flow-inline.h (get_filename): Remove.
571
572 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
573
574         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
575         argument.
576         (mips_fetch_insns): Delete in favor of...
577         (mips_load_store_insns): ...this new function.
578         * config/mips/mips.c (mips_address_insns): Add a boolean argument
579         to say whether multiword moves _might_ be split.
580         (mips_fetch_insns): Delete in favor of...
581         (mips_load_store_insns): ...this new function.
582         (mips_rtx_costs): Update the call to mips_address_insns.
583         (mips_address_cost): Likewise.
584         * config/mips/mips.md (length): Use mips_load_store_insns instead
585         of mips_fetch_insns.
586         * config/mips/constraints.md (R): Use mips_address_insns rather
587         than mips_fetch_insns.  Assume that the move never needs to be split.
588
589 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
590
591         * config/mips/mips.opt (mhard-float, msoft-float):  Make these
592         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
593         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.  
594         * config/mips/mips.h (mips16_hard_float): Delete.
595         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI):  Delete these
596         definitions, and replace with....
597         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
598         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
599         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
600         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
601         (override_options):  Replace MASK_SOFT_FLOAT references with
602         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
603         and mips16_hard_float when TARGET_MIPS16.
604         
605 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
606
607         PR c/32796
608         * c-typeck.c (build_binary_op): Check for non pointer types before
609         calling int_fits_type_p.
610
611 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
612
613         PR middle-end/32813
614         * fold-const.c (omit_one_operand): Return only the ommitted expression
615         if the result is an empty statement.
616         (pedantic_omit_one_operand): Likewise.
617
618 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
619
620         * c-typeck.c (readonly_error): Improve error for assignment.
621         
622         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
623         expression. 
624         (pp_c_expression): Ditto.
625
626 2007-08-09  Simon Baldwin  <simonb@google.com>
627
628         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
629         break that was preventing simplify_associative_operation() for xor.
630
631 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
632             Nigel Stephens  <nigel@mips.com>
633
634         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
635         Document change in interpretation of value from boolean to
636         tri-state integer.
637         * optabs.c (expand_ffs, expand_ctz): New functions to compute
638         ffs and ctz using clz.
639         (expand_unop):  Call them.
640         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
641         result value.
642         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
643         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
644         enable the new ffs expansion on this target.
645
646 2007-08-09  Jan Hubicka  <jh@suse.cz>
647
648         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
649         (expand_ternary_op): Likewise.
650         (expand_vec_shift_expr): Likewise.
651         (expand_binop_directly): Likewise.
652         (expand_binop): Likewise.
653         (sign_expand_binop): Likewise.
654         (expand_twoval_unop): Likewise.
655         (expand_twoval_binop): Likewise.
656         (expand_twoval_binop_libfunc): Likewise.
657         (widen_clz): Likewise.
658         (widen_bswap): Likewise.
659         (expand_parity): Likewise.
660         (expand_unop): Likewise.
661         (expand_abs_nojump): Likewise.
662         (expand_copysign): Likewise.
663         (emit_no_conflict_block): Likewise.
664         (emit_libcall_block): Likewise.
665         (can_compare_p): Likewise.
666         (prepare_cmp_insn): Likewise.
667         (emit_cmp_and_jump_insn_1): Likewise.
668         (prepare_float_lib_cmp): Likewise.
669         (emit_conditional_add): Likewise.
670         (gen_add2_insn): Likewise.
671         (have_add2_insn): Likewise.
672         (gen_sub2_insn): Likewise.
673         (have_sub2_insn): Likewise.
674         (can_extend_p): Likewise.
675         (can_fix_p): Likewise.
676         (can_float_p): Likewise.
677         (expand_float): Likewise.
678         (expand_fix): Likewise.
679         (expand_sfix_optab): Likewise.
680         (new_optab): Likewise.
681         (new_convert_optab): Likewise.
682         (init_libfuncs): Likewise.
683         (init_interclass_conv_libfuncs): Likewise.
684         (init_intraclass_conv_libfuncs): Likewise.
685         (set_conv_libfunc): Likewise.
686         (init_optabs): Likewise.
687         (debug_optab_libfuncs): Likewise.
688         (gen_cond_trap): Likewise.
689         * optabs.h (optab_handler, convert_optab_hanlder): New.
690         * genopinit.c: Update optabs generation table.
691         * reload.c (find_reloads_address_1): Use optabs accestors.
692         * builtins.c (expand_builtin_mathfn): Likewise.
693         (expand_builtin_mathfn_2): Likewise.
694         (expand_builtin_mathfn_3): Likewise.
695         (expand_builtin_interclass_mathfn): Likewise.
696         (expand_builtin_sincos): Likewise.
697         (expand_builtin_cexpi): Likewise.
698         (expand_builtin_powi): Likewise.
699         (expand_builtin_strlen): Likewise.
700         * dojump.c (do_jump): Likewise.
701         * expr.c (convert_move): Likewise.
702         (move_by_pieces): Likewise.
703         (move_by_pieces_ninsns): Likewise.
704         (can_store_by_pieces): Likewise.
705         (store_by_pieces_1): Likewise.
706         (emit_move_via_integer): Likewise.
707         (emit_move_complex): Likewise.
708         (emit_move_ccmode): Likewise.
709         (emit_move_insn_1): Likewise.
710         (emit_single_push_insn): Likewise.
711         (store_constructor): Likewise.
712         (expand_expr_real_1): Likewise.
713         (do_store_flag): Likewise.
714         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
715         (enumerate_modes): Likewise.
716         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
717         (supportable_widening_operation): Likewise.
718         (supportable_narrowing_operation): Likewise.
719         * expmed.c (store_bit_field_1): Likewise.
720         (extract_bit_field_1): Likewise.
721         (expand_mult_highpart_optab): Likewise.
722         (expand_smod_pow2): Likewise.
723         (expand_divmod): Likewise.
724         (emit_store_flag): Likewise.
725         * tree-vect-patterns.c
726         (vect_pattern_recog_1): Likewise.
727         * tree-ssa-loop-prefetch.c
728         (nontemporal_store_p): Likewise.
729         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
730         (vect_create_epilog_for_reduction): Likewise.
731         (vectorizable_reduction): Likewise.
732         (vectorizable_operation): Likewise.
733         (vect_strided_store_supported): Likewise.
734         (vectorizable_store): Likewise.
735         (vect_strided_load_supported): Likewise.
736         (vectorizable_load): Likewise.
737         * combine.c (simplify_comparison): Likewise.
738         * tree-vect-generic.c
739         (type_for_widest_vector_mode): Likewise.
740         (expand_vector_operations_1): Likewise.
741         * config/spu/spu.c (spu_expand_mov): Likewise.
742         (spu_emit_vector_compare): Likewise.
743         * config/rs6000/rs6000.c
744         (rs6000_emit_vector_compare): Likewise.
745         * stmt.c (add_case_node): Likewise.
746         * reload1.c (gen_reload):
747
748 2007-08-09  Michael Matz  <matz@suse.de>
749
750         * tree.h (fixed_zerop): Declare as taking a const_tree.
751         * tree.c (fixed_zerop): Take a const_tree.
752
753 2007-08-09  Ira Rosen  <irar@il.ibm.com>
754
755         * tree-vect-transform.c (vectorizable_store): Remove call to
756         copy_virtual_operands() and call mark_symbols_for_renaming() for
757         the created vector store.
758         (vect_setup_realignment): Don't call copy_virtual_operands() and
759         update_vuses_to_preheader(). 
760         (vectorizable_load): Don't call copy_virtual_operands(). 
761         (update_vuses_to_preheader): Remove.
762
763 2007-08-08  Chao-ying Fu  <fu@mips.com>
764
765         * tree.def (FIXED_POINT_TYPE): New type.
766         (FIXED_CST): New constant.
767         (FIXED_CONVERT_EXPR): New expr.
768         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
769         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
770         * tree.h (struct tree_base): Add saturating_flag.
771         Remove one bit of spare for saturating_flag.
772         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
773         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
774         FIXED_POINT_TYPE_P): Define.
775         (TYPE_SATURATING): Define.
776         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
777         (struct tree_fixed_cst): New.
778         (TYPE_IBIT, TYPE_FBIT): Define.
779         (tree_node): Add fixed_cst.
780         (enum tree_index): Add new enumeration values of
781         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
782         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
783         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
784         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
785         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
786         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
787         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
788         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
789         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
790         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
791         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
792         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
793         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
794         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
795         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
796         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
797         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
798         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
799         (sat_short_fract_type_node, sat_fract_type_node,
800         sat_long_fract_type_node, sat_long_long_fract_type_node,
801         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
802         sat_unsigned_long_fract_type_node,
803         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
804         fract_type_node, long_fract_type_node, long_long_fract_type_node,
805         unsigned_short_fract_type_node, unsigned_fract_type_node,
806         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
807         sat_short_accum_type_node, sat_accum_type_node,
808         sat_long_accum_type_node, sat_long_long_accum_type_node,
809         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
810         sat_unsigned_long_accum_type_node,
811         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
812         accum_type_node, long_accum_type_node, long_long_accum_type_node,
813         unsigned_short_accum_type_node, unsigned_accum_type_node,
814         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
815         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
816         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
817         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
818         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
819         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
820         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
821         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
822         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
823         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
824         sat_uda_type_node, sat_uta_type_node): New macro.
825         (make_fract_type, make_accum_type): Declare.
826         (make_signed_fract_type, make_unsigned_fract_type,
827         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
828         make_signed_accum_type, make_unsigned_accum_type,
829         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
830         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
831         make_or_reuse_sat_signed_fract_type,
832         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
833         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
834         make_or_reuse_sat_unsigned_accum_type): New macro.
835         (fixed_zerop): Declare.
836         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
837         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
838         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
839         LONG_LONG_ACCUM_TYPE_SIZE): Define.
840         * treestruct.def: Add TS_FIXED_CST.
841         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
842         (tree.o): Likewise.
843         (tree-dump.o): Likewise.
844         (print-tree.o): Likewise.
845         (tree-pretty-print.o): Likewise.
846         (fold-const.o): Likewise.
847         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
848         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
849         (is_gimple_min_invariant): Handle FIXED_CST.
850         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
851         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
852         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
853         (layout_type): Handle FIXED_POINT_TYPE.
854         (make_fract_type, make_accum_type): New functions.
855         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
856         * tree-dump.c (fixed-value.h): New include.
857         (dump_fixed): New function.
858         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
859         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
860         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
861         * tree-pretty-print.c (fixed-value.h): New include.
862         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
863         FIXED_CONVERT_EXPR.
864         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
865         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
866         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
867         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
868         for non-saturating fixed-point types.
869         (reassociate_bb): Likewise.
870         * emit-rtl.c (fixed-value.h): New include.
871         (fconst0, fconst1): New array.
872         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
873         * tree-vect-generic.c expand_vector_operation): Support
874         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
875         MODE_VECTOR_UACCUM.
876         (type_for_widest_vector_mode): Add one parameter for the 
877         saturating flag.
878         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
879         vector mode.
880         Pass the satp parameter to type_for_mode for fixed-point types.
881         (expand_vector_operations_1): Pass the saturating flag to
882         type_for_widest_vector_mode.
883         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
884         and MODE_VECTOR_UACCUM.
885         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
886         (vectorizable_condition): Likewise.
887         * tree.c (fixed-value.h): New include.
888         (tree_code_size): Support FIXED_CST.
889         (build_fixed): New function.
890         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
891         (fixed_zerop): New function.
892         (tree_node_structure): Support FIXED_CST.
893         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
894         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
895         (type_hash_eq): Handle FIXED_POINT_TYPE.
896         (simple_cst_equal): Support FIXED_CST.
897         (iterative_hash_expr): Handle FIXED_CST.
898         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
899         (get_narrower): Likewise.
900         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
901         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
902         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
903         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
904         nodes.
905         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
906         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
907         (initializer_zerop): Support FIXED_CST.
908         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
909         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
910         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
911         (is_base_type): Handle FIXED_POINT_TYPE.
912         (add_type_attribute): Handle FIXED_POINT_TYPE.
913         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
914         * print-tree.c (fixed-value.h): New include.
915         (print_node_brief): Support FIXED_CST.
916         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
917         * c-pretty-print.c (fixed-value.h): New include.
918         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
919         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
920         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
921         Support fixed-point types for inner items in VECTOR_TYPE.
922         (pp_c_direct_declarator): Likewise.
923         (pp_c_declarator): Likewise.
924         (pp_c_fixed_constant): New function.
925         (pp_c_constant): Handle FIXED_CST.
926         (pp_c_primary_expression): Likewise.
927         (pp_c_expression): Likewise.
928         * fold-const.c (fixed-value.h): New include.
929         (negate_expr_p): Return true for FIXED_CST.
930         (fold_negate_expr): Support FIXED_CST.
931         (split_tree): Support FIXED_CST.
932         (const_binop): Support FIXED_CST.
933         (fold_convert_const_int_from_fixed): New function to convert from
934         fixed to int.
935         (fold_convert_const_real_from_fixed): New function to convert from
936         fixed to real.
937         (fold_convert_const_fixed_from_fixed): New function to convert from
938         fixed to another fixed.
939         (fold_convert_const_fixed_from_int): New function to convert from
940         int to fixed.
941         (fold_convert_const_fixed_from_real): New function to convert from
942         real to fixed.
943         (fold_convert_const): Support conversions from fixed to int, from
944         fixed to real, from fixed to fixed, from int to fixed, and from real
945         to fixed.
946         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
947         (operand_equal_p): Support FIXED_CST.
948         (make_range): For fixed-point modes, we need to pass the
949         saturating flag as the 2nd parameter.
950         (tree_swap_operands_p): Handle FIXED_CST.
951         (fold_plusminus_mult_expr): For fract modes, we cannot generate
952         constant 1.
953         (fold_unary): Support FIXED_CONVERT_EXPR.
954         (fold_binary): Handle FIXED_CST.
955         Make sure the type is not saturating, before associating operations.
956         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
957         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
958         (fold_negate_const): Support FIXED_CST.
959         (fold_relational_const): Support FIXED_CST.
960         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
961         (gimplify_expr): Handle FIXED_CST.
962         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
963         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
964         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
965         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
966         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
967         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
968         LONG_LONG_ACCUM_TYPE_SIZE.
969         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
970         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
971         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
972         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
973         MODE_ACCUM, and MODE_UACCUM.
974         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
975         fixed-point types to disable reduction.
976         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
977
978 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
979
980         * config/rs6000/x-rs6000: New file.
981         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
982         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
983         (EXTRA_SPEC_FUNCTIONS): Define.
984         (HAVE_LOCAL_CPU_DETECT): Define.
985         (CC1_CPU_SPEC): Define.
986         * config/rs6000/driver-rs6000.c: New file.
987         * config/rs6000/aix.h (CC1_SPEC): Define.
988         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
989         * config.host: Add x-rs6000 to host_xmake_file if host and target
990         are rs6000 or powerpc.
991
992 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
993
994         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
995
996 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
997             Sandra Loosemore  <sandra@codesourcery.com>
998             Chao-ying Fu  <fu@mips.com>
999             Nigel Stephens  <nigel@mips.com>
1000             David Ung  <davidu@mips.com>
1001
1002         * doc/invoke.texi (-mcode-readable): Document.
1003         * config/mips/mips.opt (mcode-readable): New option.
1004         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
1005         * config/mips/mips.h (mips_code_readable_setting): New enum.
1006         (mips_code_readable): Declare.
1007         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
1008         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
1009         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
1010         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
1011         boiler-plate comments.
1012         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
1013         * config/mips/mips.c (mips_code_readable): New variable.
1014         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
1015         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
1016         context and -mcode-readable setting to restrict the use of
1017         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
1018         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
1019         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
1020         (mips_blocks_for_constant_p): Only return false for
1021         TARGET_MIPS16_PCREL_LOADS.
1022         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
1023         for MIPS16.  Handle SYMBOL_32_HIGH.
1024         (mips_const_insns): Allow HIGHs for MIPS16 too.
1025         (mips_unspec_address_offset): New function, split out from...
1026         (mips_unspec_address): ...here.
1027         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
1028         16-bit symbolic constants.  Assert approropiate conditions for
1029         using the "la" and "dla" macros.
1030         (mips_handle_option): Handle -mcode-readable=.
1031         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
1032         Set up mips_lo_relocs[SYMBOL_32_HIGH].
1033         (mips_strip_unspec_address): New function, split out from...
1034         (print_operand_reloc): ...here.
1035         (print_operand): Pass constants through mips_strip_unspec_address.
1036         (print_operand_address): Likewise.
1037         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
1038         (mips_select_rtx_section): Remove MIPS16 handling.
1039         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
1040         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
1041         (mips16_lay_out_constants): Do nothing unless
1042         TARGET_MIPS16_PCREL_LOADS.
1043         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
1044         * config/mips/mips.md: Split HIGHs for MIPS16.
1045         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
1046
1047 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1048
1049         * config/mips/mips-protos.h (mips_emit_move): Declare.
1050         * config/mips/mips.c (mips_emit_move): New function.
1051         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
1052         (mips_legitimize_const_move): Likewise.
1053         (mips_legitimize_move): Likewise.
1054         (mips_split_64bit_move): Likewise.
1055         (mips_restore_gp): Likewise.
1056         (mips_load_call_address): Likewise.
1057         (mips_emit_fcc_reload): Likewise.
1058         (mips_set_return_address): Likewise.
1059         (mips_block_move_straight): Likewise.
1060         (mips_block_move_loop): Likewise.
1061         (mips_setup_incoming_varargs): Likewise.
1062         (mips_save_reg): Likewise.
1063         (mips_expand_prologue): Likewise.
1064         (mips_restore_reg): Likewise.
1065         (mips_expand_epilogue): Likewise.
1066         (mips_output_mi_thunk): Likewise.
1067         (build_mips16_call_stub): Likewise.
1068         (mips_builtin_branch_and_move): Likewise.
1069         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
1070         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1071         (fixuns_truncdfdi2): Likewise.
1072         (fixuns_truncsfsi2): Likewise.
1073         (fixuns_truncsfdi2): Likewise.
1074         (loadgp_absolute): Likewise.
1075         (builtin_setjmp_setup): Likewise.
1076         (builtin_longjmp): Likewise.
1077         (untyped_call): Likewise.
1078
1079 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1080
1081         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
1082         an "rtx *" argument.  Return a bool.
1083         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
1084         values and return true if they can be split.  Take the same kind of
1085         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
1086         and store the lo_sum there if nonnull.  Use the symbol type to
1087         determine whether a $gp or HIGH is needed.
1088         (mips_legitimize_address): Update call to mips_split_symbol and
1089         simplify accordingly.
1090         (mips_legitimize_const_move): Likewise.
1091         * config/mips/mips.md: In the combine define_split,
1092         check mips_split_symbol instead of splittable_symbolic_operand.
1093         Update use of mips_split_symbol in the generator code.
1094         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
1095
1096 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1097
1098         * config/mips/mips.c (mips_symbolic_address_p): Delete.
1099         (mips_symbol_insns_1): New function, split out from...
1100         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
1101         and stores separately from load addresses.
1102         (mips_classify_address): Replace uses of mips_symbolic_address_p
1103         with uses of mips_symbol_insns.
1104         (mips_address_insns): Update calls to mips_symbol_insns.
1105         (mips_const_insns): Likewise.
1106         (mips_legitimize_address): Likewise.
1107
1108 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1109
1110         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
1111         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
1112         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
1113         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
1114         non-call contexts if TARGET_MIPS16.
1115         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
1116         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
1117         code for SYMBOL_ABSOLUTE.
1118         (mips_symbol_insns): Likewise.
1119
1120 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1121
1122         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
1123         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
1124         (mips_symbolic_constant_p): Likewise.  Update the call to
1125         mips_classify_symbol.
1126         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
1127         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
1128         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
1129         (print_operand_reloc): Add a context argument.  Update the call to
1130         mips_symbolic_constant_p.
1131         (print_operand): Update the calls to print_operand_reloc.
1132         (print_operand_address): Use print_operand_reloc rather than
1133         print_operand.
1134         (mips_rewrite_small_data_p): Add a context argument.  Update the call
1135         to mips_symbolic_constant_p.
1136         (mips_small_data_pattern_1): Make DATA the containing mem.
1137         Update the call to mips_rewrite_small_data_p.
1138         (mips_rewrite_small_data_1): Likewise.
1139         (mips_use_anchors_for_symbol_p): Update the call to
1140         mips_symbolic_constant_p.
1141         * config/mips/predicates.md (const_call_insn_operand): Likewise.
1142         (splittable_symbolic_operand): Likewise.
1143         (move_operand): Likewise.
1144         (absolute_symbolic_operand): Likewise.
1145         (got_disp_operand): Likewise.
1146         (got_page_ofst_operand): Likewise.
1147
1148 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
1149
1150         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
1151         (SYMBOL_ABSOLUTE): ...this.
1152         (SYMBOL_SMALL_DATA): Rename to...
1153         (SYMBOL_GP_RELATIVE): ...this.
1154         (SYMBOL_CONSTANT_POOL): Rename to...
1155         (SYMBOL_PC_RELATIVE): ...this.
1156         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
1157         (mips_symbolic_address_p, mips_symbol_insns, override_options)
1158         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
1159         after above changes.
1160         * config/mips/predicates.md (const_call_insn_operand): Likewise.
1161         (general_symbolic_operand): Rename to...
1162         (absolute_symbolic_operand): ...this.
1163         * config/mips/mips.md: Update after above changes.
1164
1165 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
1166             Revital Eres  <eres@il.ibm.com>
1167
1168         * ddg.c (print_ddg): Add dump information.
1169         * modulo-sched.c (print_node_sched_params): Add parameter and
1170         verbosity.
1171         (calculate_maxii): Remove function.
1172         (undo_generate_reg_moves): Likewise.
1173         (undo_permute_partial_schedule): Likewise.
1174         (kernel_number_of_cycles): Likewise.
1175         (MAXII_FACTOR): New definition to calculate the upper bound of II.
1176         (sms_schedule): Use it.  Remove profitability checks.
1177         (sms_schedule_by_order): Fix order of nodes within the cycle.
1178
1179 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
1180
1181         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
1182         -profile option, add pie support.
1183         (ENDFILE_SPEC): New spec.
1184         * config/gnu.h (LIB_SPEC): Add -profile option.
1185
1186 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
1187
1188         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
1189         * config/gnu.h (LIB_SPEC): Likewise.
1190
1191 2007-08-07  Yaz Saito  <saito@google.com>
1192             Ian Lance Taylor  <iant@google.com>
1193
1194         * common.opt (finstrument-functions-exclude-function-list): New
1195         option.
1196         (finstrument-functions-exclude-file-list): New option.
1197         * opts.c (char_p): Define and DEF_VEC.
1198         (flag_instrument_functions_exclude_functions): New static
1199         variable.
1200         (flag_instrument_functions_exclude_files): New static variable.
1201         (add_instrument_functions_exclude_list): New static function.
1202         (flag_instrument_functions_exclude_p): New function.
1203         (common_handle_option): Handle new options.
1204         * flags.h (flag_instrument_functions_exclude_p): Declare.
1205         * gimplify.c (gimplify_function_tree): Call
1206         flag_instrument_functions_exclude_p.
1207         * doc/invoke.texi (Option Summary): Mention new options.
1208         (Code Gen Options): Document new options.
1209
1210 2007-08-07  Ian Lance Taylor  <iant@google.com>
1211
1212         PR rtl-optimization/32776
1213         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
1214         (resolve_use): Likewise.
1215         (decompose_multiword_subregs): Remove "changed" local variable.
1216
1217 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
1218
1219         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
1220         * configure: Regenerate.
1221         * config.in: Regenerate.
1222         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
1223         spec string.
1224
1225 2007-08-07  Ian Lance Taylor  <iant@google.com>
1226
1227         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
1228         note, just delete the insn.
1229
1230 2007-08-07  Andreas Schwab  <schwab@suse.de>
1231
1232         PR bootstrap/32973
1233         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
1234         struct definition.
1235
1236 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1237
1238         * lower-subreg.c (resolve_subreg_use): Remove assertion.
1239         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
1240         (decompose_multiword_subregs): Use the functions above to decompose
1241         multiword shifts and zero-extends.
1242
1243 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1244
1245         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
1246         "assemble" descriptions which were swapped.
1247
1248 2007-08-06  Chao-ying Fu  <fu@mips.com>
1249
1250         * fixed-value.h: New file.
1251         * fixed-value.c: New file.
1252         * Makefile.in (OBJS-common): Add fixed-value.o.
1253         (fixed-value.o): New rule.
1254         (GTFILES): Add fixed-value.h.
1255         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
1256         to compare a.low and b.low.
1257         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
1258
1259 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
1260             Daniel Jacobowitz  <dan@codesourcery.com>
1261
1262         PR target/31868
1263         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
1264         tmake_file.
1265         (x86_64-*-netbsd*): Likewise.
1266         (x86_64-*-linux*): Likewise.
1267         (x86_64-*-kfreebsd*-gnu): Likewise.
1268         (x86_64-*-knetbsd*-gnu): Likewise.
1269         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
1270
1271         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
1272
1273         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
1274         Add -fno-asynchronous-unwind-tables.
1275
1276         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
1277         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
1278         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
1279         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
1280         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
1281
1282 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
1283
1284         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
1285         (TARGET_C_MODE_FOR_SUFFIX): New.
1286
1287 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
1288
1289         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
1290
1291 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
1292
1293         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
1294
1295 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
1296
1297         * config/i386/i386.md: Check TARGET_ macros and optimize_size
1298         before checking function returns in conditional expressions.
1299
1300 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
1301
1302         PR pch/13676
1303         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
1304
1305 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1306
1307         PR middle-end/32988
1308         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
1309         for INTEGRAL_TYPE_P.
1310
1311 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
1312
1313         * configure.ac: Remove --enable-checking=df from default settings.
1314         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
1315         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
1316         if the parameter is true.
1317         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
1318         DF_VERIFY_SCHEDULED flag is true.
1319         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
1320         (df_finish_pass): Adjust prototype.
1321         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
1322         true.
1323
1324         * see.c (pass_see): Add TODO_df_verify.
1325         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
1326         * global.c (rest_of_handle_global_alloc): Schedule verification
1327         after the pass.
1328         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
1329         before the pass.
1330         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
1331         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
1332         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
1333
1334         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
1335         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
1336         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
1337
1338 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
1339             Revital Eres <eres@il.ibm.com>
1340
1341         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
1342         flag.
1343         * ddg.c (create_ddg_dependence): Rename to...
1344         (create_ddg_dep_from_intra_loop_link): This.  Do not check
1345         for interloop edges.  Do not create anti dependence edge when
1346         a true dependence edge exists in the opposite direction and
1347         -fmodulo-sched-allow-regmoves is set.
1348         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
1349         (add_cross_iteration_register_deps): Create anti dependence edge
1350         when -fno-modulo-sched-allow-regmoves is set.
1351         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
1352
1353 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
1354
1355         * config/arm/arm.md (movsi): Add braces.
1356
1357 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1358
1359         PR middle-end/32780
1360         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of operands
1361         for the folding of "A - (A & B)" into "~B & A"; cast them to type.
1362
1363 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
1364
1365         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops' state
1366         accessor functions.
1367         * cfgloopmanip.c (remove_path, create_preheaders,
1368         force_single_succ_latches, fix_loop_structure): Ditto.
1369         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
1370         tree_duplicate_loop_to_header_edge): Ditto.
1371         * cfgloopanal.c (mark_irreducible_loops): Ditto.
1372         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
1373         Ditto.
1374         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
1375         cleanup_tree_cfg): Ditto.
1376         * tree-cfg.c (tree_merge_blocks): Ditto.
1377         * cfgloop.c (rescan_loop_exit, record_loop_exits,
1378         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
1379         loop_preheader_edge, single_exit): Ditto.
1380         (flow_loops_find): Do not clear loops->state.
1381         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
1382         loops_state_clear): New functions.
1383
1384 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1385
1386         PR middle-end/32399
1387         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1388         when adding to the base and convert ELT to sizetype instead of type.
1389
1390 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1391
1392         PR middle-end/32304
1393         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
1394         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
1395
1396 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1397
1398         PR middle-end/32935
1399         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
1400          correct type the negate expression.
1401
1402 2007-08-03  Jan Hubicka  <jh@suse.cz>
1403
1404         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
1405         stack boundary.
1406
1407 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
1408
1409         * config/rs6000/rs6000.c (struct processor_cost): Change
1410         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
1411         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
1412         information.
1413         (rios1_costs, rios2_cost): Correct cache line size.
1414         (rs6000_override_options): Set l2-cache-size parameter.
1415
1416 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1417             Diego Novillo  <dnovillo@google.com>
1418
1419         PR 31521
1420         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
1421         if the range includes 0.
1422
1423 2007-08-03  Ben Elliston  <bje@au.ibm.com>
1424
1425         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
1426         mode to unspec expressions to silence a warning from the generator
1427         programs.
1428         
1429 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
1430
1431         * config/ia64/constraints.md ("U"): Make constraint vector only.
1432
1433 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
1434
1435         PR middle-end/25446
1436         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
1437         always_inline attribute on the function decl.
1438
1439 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
1440
1441         PR middle-end/25445
1442         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
1443         if we are compiling with -fPIC.
1444
1445 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
1446             Nigel Stephens  <nigel@mips.com>
1447
1448         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
1449         Define for MIPS32 and MIPS64.
1450
1451 2007-08-02  Nick Clifton  <nickc@redhat.com>
1452
1453         * config/host-hpux.c: Change copyright header to refer to version
1454         3 of the GNU General Public License and to point readers at the
1455         COPYING3 file and the FSF's license web page.
1456         * config/alpha/predicates.md, config/alpha/vms-ld.c,
1457         config/alpha/linux.h, config/alpha/alpha.opt,
1458         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
1459         config/alpha/vms-unwind.h, config/alpha/ev4.md,
1460         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
1461         config/alpha/alpha.h, config/alpha/sync.md,
1462         config/alpha/openbsd.h, config/alpha/alpha.md,
1463         config/alpha/alpha-modes.def, config/alpha/ev5.md,
1464         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
1465         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
1466         config/alpha/constraints.md, config/alpha/osf.h,
1467         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
1468         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
1469         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
1470         config/frv/frv-asm.h, config/frv/frv-protos.h,
1471         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
1472         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
1473         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
1474         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
1475         config/s390/s390.opt, config/s390/s390-modes.def,
1476         config/s390/fixdfdi.h, config/s390/constraints.md,
1477         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
1478         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
1479         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
1480         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
1481         config/m32c/prologue.md, config/m32c/m32c.abi,
1482         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
1483         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
1484         config/m32c/t-m32c, config/m32c/m32c-modes.def,
1485         config/m32c/jump.md, config/m32c/shift.md,
1486         config/m32c/m32c-protos.h, config/libgloss.h,
1487         config/spu/spu-protos.h, config/spu/predicates.md,
1488         config/spu/spu-builtins.h, config/spu/spu.c,
1489         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
1490         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
1491         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
1492         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
1493         config/sparc/hypersparc.md, config/sparc/predicates.md,
1494         config/sparc/linux.h, config/sparc/sp64-elf.h,
1495         config/sparc/supersparc.md, config/sparc/cypress.md,
1496         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
1497         config/sparc/niagara.md, config/sparc/sparc.md,
1498         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
1499         config/sparc/sparc.opt, config/sparc/sync.md,
1500         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
1501         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
1502         config/sparc/sparc.c, config/sparc/little-endian.opt,
1503         config/sparc/sysv4-only.h, config/sparc/sparc.h,
1504         config/sparc/linux64.h, config/sparc/freebsd.h,
1505         config/sparc/sol2.h, config/sparc/rtemself.h,
1506         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
1507         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
1508         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
1509         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
1510         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
1511         config/m32r/linux.h, config/m32r/constraints.md,
1512         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
1513         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
1514         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
1515         config/i386/i386.md, config/i386/netware-crt0.c,
1516         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
1517         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
1518         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
1519         config/i386/sol2.h, config/i386/constraints.md,
1520         config/i386/netware-libgcc.c, config/i386/sysv5.h,
1521         config/i386/predicates.md, config/i386/geode.md,
1522         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
1523         config/i386/freebsd64.h, config/i386/vxworksae.h,
1524         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
1525         config/i386/rtemself.h, config/i386/netbsd-elf.h,
1526         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
1527         config/i386/netware.h, config/i386/i386-modes.def,
1528         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
1529         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
1530         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
1531         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
1532         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
1533         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
1534         config/i386/xm-mingw32.h, config/i386/linux64.h,
1535         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
1536         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
1537         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
1538         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
1539         config/i386/cygwin2.c, config/i386/i386-protos.h,
1540         config/i386/sync.md, config/i386/openbsd.h,
1541         config/i386/host-mingw32.c, config/i386/i386-aout.h,
1542         config/i386/nto.h, config/i386/biarch64.h,
1543         config/i386/i386-coff.h, config/i386/freebsd.h,
1544         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
1545         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
1546         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
1547         config/darwin-protos.h, config/linux.opt, config/sol2.c,
1548         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
1549         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
1550         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
1551         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
1552         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
1553         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
1554         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
1555         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
1556         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
1557         config/sh/superh64.h, config/sh/rtemself.h,
1558         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
1559         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
1560         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
1561         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
1562         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
1563         config/avr/predicates.md, config/avr/constraints.md,
1564         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
1565         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
1566         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
1567         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
1568         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
1569         config/c4x/c4x-modes.def, config/c4x/rtems.h,
1570         config/c4x/predicates.md, config/c4x/c4x.h,
1571         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
1572         config/xtensa/predicates.md, config/xtensa/xtensa.c,
1573         config/xtensa/linux.h, config/xtensa/xtensa.h,
1574         config/xtensa/elf.h, config/xtensa/xtensa.md,
1575         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
1576         config/xtensa/xtensa-protos.h, config/dbx.h,
1577         config/stormy16/predicates.md, config/stormy16/stormy16.md,
1578         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
1579         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
1580         config/host-solaris.c, config/fr30/fr30.h,
1581         config/fr30/predicates.md, config/fr30/fr30-protos.h,
1582         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
1583         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
1584         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
1585         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
1586         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
1587         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
1588         config/host-linux.c, config/interix3.h, config/cris/cris.c,
1589         config/cris/predicates.md, config/cris/linux.h,
1590         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
1591         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
1592         config/cris/aout.opt, config/cris/cris-protos.h,
1593         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
1594         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1595         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
1596         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
1597         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
1598         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
1599         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
1600         config/chorus.h, config/mn10300/mn10300.c,
1601         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
1602         config/mn10300/mn10300.h, config/mn10300/linux.h,
1603         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
1604         config/mn10300/mn10300.md, config/ia64/predicates.md,
1605         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
1606         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
1607         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
1608         config/ia64/freebsd.h, config/ia64/ia64.md,
1609         config/ia64/ia64-modes.def, config/ia64/constraints.md,
1610         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
1611         config/gofast.h, config/rtems.h, config/sol2-10.h,
1612         config/m68k/predicates.md, config/m68k/m68k.md,
1613         config/m68k/linux.h, config/m68k/m68k-modes.def,
1614         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
1615         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
1616         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
1617         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
1618         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
1619         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
1620         config/m68k/constraints.md, config/m68k/rtemself.h,
1621         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
1622         config/m68k/uclinux.h, config/rs6000/power4.md,
1623         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
1624         config/rs6000/linux.h, config/rs6000/eabi.h,
1625         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
1626         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
1627         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
1628         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
1629         config/rs6000/windiss.h, config/rs6000/603.md,
1630         config/rs6000/aix41.h, config/rs6000/cell.md,
1631         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
1632         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
1633         config/rs6000/darwin.md, config/rs6000/darwin64.h,
1634         config/rs6000/default64.h, config/rs6000/7xx.md,
1635         config/rs6000/darwin.opt, config/rs6000/spe.md,
1636         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
1637         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
1638         config/rs6000/7450.md, config/rs6000/linux64.h,
1639         config/rs6000/constraints.md, config/rs6000/440.md,
1640         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
1641         config/rs6000/rs6000.c, config/rs6000/aix52.h,
1642         config/rs6000/rs6000.h, config/rs6000/power6.md,
1643         config/rs6000/predicates.md, config/rs6000/altivec.md,
1644         config/rs6000/aix64.opt, config/rs6000/rios1.md,
1645         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
1646         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
1647         config/rs6000/darwin7.h, config/rs6000/dfp.md,
1648         config/rs6000/linux64.opt, config/rs6000/sync.md,
1649         config/rs6000/vxworksae.h, config/rs6000/power5.md,
1650         config/rs6000/lynx.h, config/rs6000/biarch64.h,
1651         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
1652         config/rs6000/eabispe.h, config/rs6000/e500.h,
1653         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
1654         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
1655         config/rs6000/aix.h, config/rs6000/vxworks.h,
1656         config/rs6000/40x.md, config/rs6000/aix51.h,
1657         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
1658         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
1659         config/arc/arc.h, config/mcore/mcore-elf.h,
1660         config/mcore/mcore-protos.h, config/mcore/predicates.md,
1661         config/mcore/mcore.md, config/mcore/mcore.c,
1662         config/mcore/mcore.opt, config/mcore/mcore.h,
1663         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
1664         config/score/predicates.md, config/score/score-version.h,
1665         config/score/score-protos.h, config/score/misc.md,
1666         config/score/elf.h, config/score/score.c, config/score/mac.md,
1667         config/score/score7.md, config/score/score.h,
1668         config/score/score-conv.h, config/score/score-mdaux.c,
1669         config/score/score.md, config/score/score.opt,
1670         config/score/score-modes.def, config/score/score-mdaux.h,
1671         config/score/mul-div.S, config/arm/uclinux-elf.h,
1672         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
1673         config/arm/symbian.h, config/arm/linux-elf.h,
1674         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
1675         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
1676         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
1677         config/arm/strongarm-pe.h, config/arm/arm.h,
1678         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
1679         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
1680         config/arm/arm-modes.def, config/arm/linux-eabi.h,
1681         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
1682         config/arm/arm-cores.def, config/arm/arm-protos.h,
1683         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
1684         config/arm/wince-pe.h, config/arm/neon.md,
1685         config/arm/constraints.md, config/arm/neon.ml,
1686         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
1687         config/arm/arm.opt, config/arm/arm926ejs.md,
1688         config/arm/predicates.md, config/arm/iwmmxt.md,
1689         config/arm/arm_neon.h, config/arm/unknown-elf.h,
1690         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
1691         config/arm/neon-testgen.ml, config/arm/arm.md,
1692         config/arm/xscale-coff.h, config/arm/pe.c,
1693         config/arm/arm-generic.md, config/arm/pe.h,
1694         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
1695         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
1696         config/arm/strongarm-elf.h, config/arm/cirrus.md,
1697         config/arm/netbsd-elf.h, config/arm/vxworks.h,
1698         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
1699         config/pa/predicates.md, config/pa/pa64-hpux.h,
1700         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
1701         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
1702         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
1703         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
1704         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
1705         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
1706         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
1707         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
1708         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
1709         config/pa/pa64-regs.h, config/pa/pa-modes.def,
1710         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
1711         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
1712         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
1713         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
1714         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
1715         config/mips/linux64.h, config/mips/elforion.h,
1716         config/mips/constraints.md, config/mips/generic.md,
1717         config/mips/predicates.md, config/mips/4300.md,
1718         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
1719         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
1720         config/mips/5k.md, config/mips/vr4120-div.S,
1721         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
1722         config/mips/mips-protos.h, config/mips/6000.md,
1723         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
1724         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
1725         config/mips/mips-modes.def, config/mips/vr.h,
1726         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
1727         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
1728         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
1729         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
1730         config/vax/openbsd1.h, config/vax/netbsd.h,
1731         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
1732         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
1733         config/h8300/rtems.h, config/h8300/predicates.md,
1734         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
1735         config/h8300/h8300.md, config/h8300/h8300.opt,
1736         config/h8300/coff.h, config/h8300/h8300-protos.h,
1737         config/v850/v850.md, config/v850/predicates.md,
1738         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
1739         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
1740         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
1741         config/mmix/mmix.h, config/mmix/predicates.md,
1742         config/mmix/mmix-protos.h, config/mmix/mmix.md,
1743         config/mmix/mmix.c, config/mmix/mmix.opt,
1744         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
1745         config/bfin/rtems.h, config/bfin/bfin-modes.def,
1746         config/bfin/predicates.md, config/bfin/bfin-protos.h,
1747         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
1748         Likewise.
1749
1750 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
1751
1752         * emit-rtl.c (reset_used_decls): Rename to...
1753         (set_used_decls): ...this.  Set the used flag rather than clearing it.
1754         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
1755         DECL_RTLs rather than resetting them.
1756
1757 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
1758
1759         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
1760
1761 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
1762
1763         * reload.c (find_reloads_address_part):  Pass correct MEMREFLOC
1764         argument to find_reloads_address.
1765
1766 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
1767
1768         PR tree-optimization/32919
1769         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
1770         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
1771         (coalesce_ssa_name): Call it.
1772
1773 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
1774             David Ung  <davidu@mips.com>
1775
1776         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
1777         (__mips16_unorddf2, __mips16_floatunsidf): New.
1778         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
1779         above functions.
1780         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
1781
1782 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
1783
1784         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
1785         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
1786         * tree.h (OMP_SECTIONS_CONTROL): New macro.
1787         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
1788         * omp-low.c (get_ws_args_for, determine_parallel_type,
1789         expand_omp_for_generic, expand_omp_for_static_nochunk,
1790         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
1791         Work with more precise CFG.
1792         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
1793         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
1794         OMP_CONTINUE.
1795         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
1796         * gimple-low.c (lower_stmt): Ditto.
1797         * tree-inline.c (estimate_num_insns_1): Ditto.
1798         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
1799         (OMP_SECTIONS_SWITCH): New.
1800         * tree-cfgcleanup.c (cleanup_omp_return): New.
1801         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
1802         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
1803         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
1804         (tree_redirect_edge_and_branch): Handle omp constructs.
1805
1806         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
1807         with three arguments.
1808
1809 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
1810
1811         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
1812         in loop closed ssa.
1813
1814 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
1815
1816         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
1817         the loop structures may need fixing.
1818         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
1819         New functions.
1820         (cleanup_tree_cfg_loop): Removed.
1821         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
1822         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
1823         instead of running cleanup_tree_cfg_loop.
1824         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
1825         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
1826         (tree_predictive_commoning): Declaration changed.
1827         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
1828
1829 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
1830
1831         * doc/invoke.texi (l1-cache-size): Update documentation.
1832         (l2-cache-size): Document.
1833         * params.h (L2_CACHE_SIZE): New macro.
1834         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
1835         that L1_CACHE_SIZE is in kB now.
1836         (L2_CACHE_SIZE_BYTES): New macro.
1837         (tree_ssa_prefetch_arrays): Show size in kB.
1838         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
1839         and l2_cache_size fields.
1840         * config/i386/driver-i386.c (describe_cache): Detect cache size
1841         in kB.
1842         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
1843         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
1844         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
1845         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
1846         (override_options): Set l1-cache-size and l2-cache-size to default
1847         values if not specified otherwise.
1848         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
1849         (PARAM_L2_CACHE_SIZE): New.
1850
1851 2007-08-01  Nigel Stephens  <nigel@mips.com>
1852             David Ung  <davidu@mips.com>
1853             Thiemo Seufer  <ths@mips.com>
1854             Chris Dearman  <chris@mips.com>
1855             Richard Sandiford  <richard@codesourcery.com>
1856
1857         * config.gcc (mips*-sde-elf*): New stanza.
1858         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
1859         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
1860         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
1861         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
1862         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
1863         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
1864         to tmake_file.
1865         * config/mips/sde.h: New file.
1866         * config/mips/t-libgcc-mips16: Likewise.
1867         * config/mips/t-sde: Likewise.
1868         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
1869         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
1870         _MIPS_FPSET and _MIPS_SZINT.
1871         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
1872         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
1873         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
1874         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
1875         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1876         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1877         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
1878         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
1879         _MIPS_SZPTR and _MIPS_FPSET.
1880         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
1881         architecture is specified.
1882         (MIPS_32BIT_OPTION_SPEC): New macro.
1883
1884 2007-07-31  Dan Hipschman  <dsh@google.com>
1885
1886         * gcc.c (end_going_arg): New function.
1887         (do_spec_2): Use it.
1888         (do_spec_1): Use it.
1889
1890 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
1891
1892         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
1893         only if ENABLE_CHECKING is defined.
1894
1895 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
1896
1897         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
1898         df_ru_add_problem, df_ru_get_bb_info): Removed.
1899         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
1900         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
1901         df_ru_free_bb_info, df_ru_alloc,
1902         df_ru_bb_local_compute_process_def,
1903         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
1904         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
1905         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
1906         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
1907         df_ru_add_problem): Removed.
1908
1909 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1910
1911         PR target/32847
1912         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
1913         (casesi32p, casesi64p): Likewise.
1914         (casesi): Adjust for above.
1915
1916 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
1917
1918         * mode-switching.c (create_pre_exit): Don't search past calls.
1919
1920 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
1921
1922         * config/mips/mips.h (ISA_HAS_SYNCI):  Add !TARGET_MIPS16 test.
1923
1924 2007-07-31  Revital Eres  <eres@il.ibm.com>
1925
1926         * ddg.c (add_deps_for_def): Rename to...
1927         (add_cross_iteration_register_deps): This.  Change implementation
1928         to use only reaching def and def-use chains to construct the
1929         inter loop dependencies.
1930         (add_deps_for_use): Remove function.
1931         (build_inter_loop_deps): Call add_cross_iteration_register_deps
1932         function to build the inter loop dependencies.
1933         * modulo-sched.c (sms_schedule): Build only
1934         reaching def and def-use chains for the propose of the ddg
1935         construction.
1936
1937 2007-07-31  Julian Brown  <julian@codesourcery.com>
1938
1939         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
1940         New define_insns. Use correct RTL.
1941         (vec_set<mode>): Write as expander.
1942
1943 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
1944
1945         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring 
1946         to an unallocated space.
1947
1948 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
1949
1950         * tree-data-ref.c
1951         (split_constant_offset): Enable split_constant_offset to extract
1952         constants from other statements.
1953         * tree-vect-transform.c
1954         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
1955         to a temp var. Force base_offset to be simple.
1956
1957 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
1958
1959         * df-scan.c (df_scan_verify): Remove artificial limit on
1960         the number of blocks for verification.
1961         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
1962         df_simulate_defs): Avoid unnecessary insn checking for defs.
1963
1964 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
1965
1966         * config/m68k/lb1sf68.asm (FUNC): New macro.
1967         (__mulsi3): Use it.
1968         (__udivsi3): Likewise.
1969         (__divsi3): Likewise.
1970         (__umodsi3): Likewise.
1971         (__modsi3): Likewise.
1972         (__subdf3): Likewise.
1973         (__adddf3): Likewise.
1974         (__muldf3): Likewise.
1975         (__divdf3): Likewise.
1976         (__negdf2): Likewise.
1977         (__cmpdf2): Likewise.
1978         (__subsf3): Likewise.
1979         (__addsf3): Likewise.
1980         (__mulsf3): Likewise.
1981         (__divsf3): Likewise.
1982         (__negsf2): Likewise.
1983         (__cmpsf2): Likewise.
1984         (__eqdf2): Likewise.
1985         (__nedf2): Likewise.
1986         (__gtdf2): Likewise.
1987         (__gedf2): Likewise.
1988         (__ltdf2): Likewise.
1989         (__ledf2): Likewise.
1990         (__eqsf2): Likewise.
1991         (__nesf2): Likewise.
1992         (__gtsf2): Likewise.
1993         (__gesf2): Likewise.
1994         (__ltsf2): Likewise.
1995         (__lesf2): Likewise.
1996
1997 2007-07-30  Ollie Wild  <aaw@google.com>
1998
1999         * c-ppoutput.c (print_lines_directives_only): New function.
2000         (scan_translation_unit_directives_only): New function.
2001         (preprocess_file): Add call to scan_translation_unit_directives_only.
2002         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
2003         (sanitize_cpp_opts): Add default flag_dump_macros setting for
2004         -fdirectives-only.  Add errors for -fdirectives-only conflict with
2005         -Wunused-macros and -traditional.
2006         (finish_options): Add builtin macro initialization for
2007         -fdirectives-only + -fpreprocessed.
2008         * c.opt (fdirectives-only): New.
2009         * doc/cppopts.texi (fdirectives-only): New.
2010
2011 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2012
2013         * alias.c (record_set, memory_modified_1): Constify.
2014         * bt-load.c (note_btr_set): Likewise.
2015         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
2016         * combine.c (set_nonzero_bits_and_sign_copies,
2017         expand_field_assignment, record_dead_and_set_regs_1,
2018         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
2019         likely_spilled_retval_1): Likewise.
2020         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
2021         frv_io_handle_set): Likewise.
2022         * config/mips/mips.c (mips_sim_record_set,
2023         vr4130_true_reg_dependence_p_1): Likewise.
2024         * config/mt/mt.c (insn_dependent_p_1): Likewise.
2025         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
2026         * config/sh/sh.c (flow_dependent_p_1): Likewise.
2027         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
2028         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
2029         * ddg.c (mark_mem_store): Likewise.
2030         * df-problems.c (df_urec_mark_reg_change): Likewise.
2031         * function.c (update_epilogue_consts): Likewise.
2032         * gcse.c (record_set_info, record_last_set_info,
2033         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
2034         reg_clear_last_set): Likewise.
2035         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
2036         Likewise.
2037         * jump.c (reversed_comparison_code_parts): Likewise.
2038         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
2039         reg_is_set): Likewise.
2040         * loop-iv.c (mark_altered): Likewise.
2041         * mode-switching.c (reg_becomes_live): Likewise.
2042         * optabs.c (no_conflict_move_test): Likewise.
2043         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
2044         Likewise.
2045         * postreload.c (reload_combine_note_store, move2add_note_store):
2046         Likewise.
2047         * regmove.c (flags_set_1): Likewise.
2048         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
2049         Likewise.
2050         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
2051         Likewise. 
2052         * resource.c (update_live_status): Likewise.
2053         * rtl.h (set_of, note_stores): Likewise.
2054         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
2055         note_stores, parms_set): Likewise.
2056         * sched-rgn.c (sets_likely_spilled_1): Likewise.
2057         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
2058         Likewise. 
2059         * var-tracking.c (count_stores, add_stores): Likewise.
2060
2061 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2062
2063         * alias.c (mems_in_disjoint_alias_sets_p,
2064         fixed_scalar_and_varying_struct_p, aliases_everything_p,
2065         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
2066         write_dependence_p, mems_in_disjoint_alias_sets_p,
2067         read_dependence, true_dependence, canon_true_dependence,
2068         anti_dependence, output_dependence): Constify.
2069         * combine.c (extended_count): Likewise.
2070         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
2071         * cselib.c (get_value_hash, references_value_p,
2072         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
2073         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
2074         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
2075         * function.c (contains, prologue_epilogue_contains,
2076         sibcall_epilogue_contains): Likewise. 
2077         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
2078         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
2079         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
2080         reg_or_subregno): Likewise.
2081         * recog.c (asm_noperands): Likewise.
2082         * reload1.c (function_invariant_p): Likewise.
2083         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
2084         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
2085         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
2086         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
2087         true_regnum, reg_or_subregno, condjump_in_parallel_p,
2088         extended_count, prologue_epilogue_contains,
2089         sibcall_epilogue_contains, function_invariant_p, true_dependence,
2090         canon_true_dependence, read_dependence, anti_dependence,
2091         output_dependence): Likewise.
2092         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
2093
2094 2007-07-30  Julian Brown  <julian@codesourcery.com>
2095
2096         * config/arm/neon.md (V_ext): New mode attribute.
2097         (neon_vget_lane<mode>): Replace with define_expand.
2098         (neon_vget_lane<mode>_sext_internal)
2099         (neon_vget_lane<mode>_zext_internal): New define_insns for double
2100         and quad precision vectors.
2101         (neon_vget_lanedi): Add bounds check. Remove dead comment.
2102         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
2103         have typeless 32-bit result.
2104
2105 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2106
2107         PR tree-opt/32527
2108         * tree-affine.h (aff_tree): The type of rest is sizetype for types
2109         of pointers.
2110         * tree-affine.c (aff_combination_scale): If type is a pointer type,
2111         use sizetype for rest.
2112         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
2113         (aff_combination_convert): Don't convert rest for pointer types.
2114
2115 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
2116
2117         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
2118
2119         * tree-ssa-alias.c: Add alloc-pool.h.
2120         (init_alias_info): Free alias_bitmap_obstack.
2121         (delete_alias_info): Call delete_mem_ref_stats.
2122         (get_mem_sym_stats_for): Use alloc_pool.
2123         (init_mem_ref_stats): Do not delete mem_ref_stats here.
2124         (delete_mem_sym_stats): Removed.
2125         
2126 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
2127
2128         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
2129         functions cannot be represented as classical distance vectors.
2130
2131 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2132
2133         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
2134         * builtins.c (validate_arg, builtin_mathfn_code,
2135         validate_arglist): Likewise.
2136         * calls.c (call_expr_flags): Likewise.
2137         * combine.c (reg_nonzero_bits_for_combine,
2138         reg_num_sign_bit_copies_for_combine, get_last_value,
2139         reg_truncated_to_mode): Likewise.
2140         * emit-rtl.c (subreg_lowpart_p): Likewise.
2141         * expr.c (highest_pow2_factor_for_target,
2142         categorize_ctor_elements_1, categorize_ctor_elements,
2143         count_type_elements, contains_packed_reference,
2144         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
2145         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
2146         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
2147         native_encode_int, native_encode_real, native_encode_complex,
2148         native_encode_vector, native_encode_expr, native_interpret_int,
2149         native_interpret_real, native_interpret_complex,
2150         native_interpret_vector, native_interpret_expr): Likewise.
2151         * function.c (use_register_for_decl): Likewise.
2152         * gimplify.c (get_name): Likewise.
2153         * langhooks-def.h (lhd_return_null_const_tree): New.
2154         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
2155         * langhooks.c (lhd_return_null_const_tree): New.
2156         * langhooks.h (lang_get_callee_fndecl): Constify.
2157         * output.h (constructor_static_from_elts_p): Likewise.
2158         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
2159         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
2160         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
2161         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
2162         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
2163         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
2164         * rtlhooks-def.h (reg_nonzero_bits_general,
2165         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
2166         Likewise. 
2167         * rtlhooks.c (reg_num_sign_bit_copies_general,
2168         reg_nonzero_bits_general, reg_truncated_to_mode_general):
2169         Likewise. 
2170         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
2171         * stor-layout.c (mode_for_size_tree): Likewise.
2172         * tree-ssa-loop-im.c (memref_eq): Likewise.
2173         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
2174         * tree.c (contains_placeholder_p, type_list_equal,
2175         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
2176         Likewise. 
2177         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
2178         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
2179         contains_placeholder_p, contains_packed_reference,
2180         get_callee_fndecl, operand_equal_for_phi_arg_p,
2181         warn_if_unused_value, is_body_block, native_encode_expr,
2182         native_interpret_expr, fold_convertible_p, operand_equal_p,
2183         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
2184         validate_arglist, simple_cst_equal, type_list_equal,
2185         use_register_for_decl, call_expr_flags, get_name,
2186         highest_pow2_factor): Likewise.
2187         (const_call_expr_arg_iterator_d,
2188         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
2189         first_const_call_expr_arg, more_const_call_expr_args_p,
2190         FOR_EACH_CONST_CALL_EXPR_ARG): New.
2191         * varasm.c (constructor_static_from_elts_p): Constify.
2192
2193 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
2194
2195         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
2196         config/arm/neon-schedgen.ml, config/arm/neon.ml,
2197         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
2198         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
2199         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
2200         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
2201         spelling conventions.
2202         * doc/invoke.texi: Follow spelling conventions.
2203
2204 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
2205             Revital Eres  <eres@il.ibm.com>
2206
2207         * modulo-sched.c (sms_schedule): Avoid loops which includes
2208         auto-increment instructions.
2209
2210 2007-07-28  Richard Guenther  <rguenther@suse.de>
2211
2212         PR middle-end/32920
2213         * fold-const.c (fold_cond_expr_with_comparison): Convert
2214         operand zero of MIN/MAX_EXPR to correct type.
2215
2216 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2217
2218         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
2219         flags_from_decl_or_type): Constify.
2220         * gcc.c (do_spec_1): Likewise.
2221         * print-tree.c (dump_addr, print_node_brief): Likewise.
2222         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
2223         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
2224         tree_purge_all_dead_eh_edges): Likewise.
2225         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
2226         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
2227         Likewise. 
2228         * tree.c (expr_location, expr_has_location, expr_locus,
2229         expr_filename, expr_lineno, get_inner_array_type,
2230         fields_compatible_p): Likewise.
2231         * tree.h (get_inner_array_type, fields_compatible_p,
2232         expr_location, expr_has_location, expr_locus, expr_filename,
2233         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
2234         setjmp_call_p, alloca_call_p): Likewise.
2235
2236 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
2237
2238         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
2239         TV_FLOW_INSENSITIVE.
2240
2241         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
2242         TV_CALL_CLOBBER.
2243         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
2244         (compute_flow_insensitive_aliasing): Ditto for
2245         TV_FLOW_INSENSITIVE.    
2246
2247 2007-07-27  Jan Hubicka  <jh@suse.cz>
2248
2249         * config/i386/i386.c (register_move_cost): Remove accidentally comitted
2250         #if 0 block.
2251
2252         * attribs.c: Include hashtab.h
2253         (attribute_hash): New.
2254         (substring): New structure.
2255         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
2256         New function.
2257         (init_attributes): Initialize attribute hash.
2258         (decl_attributes): Use attribute hash.
2259         * Makefile.in (attribs.c): Depend on hashtab.h.
2260
2261 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
2262
2263         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
2264
2265 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
2266
2267         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
2268         __mips_dspr2 and __mips_dsp_rev macros.
2269         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
2270
2271 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
2272         
2273        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
2274
2275 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
2276
2277         PR middle-end/32749
2278         
2279         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
2280         and the updating of the live and do_not_gen sets.
2281         (df_note_bb_compute): Added updating of live and do_not_gen sets
2282         for regular defs so that the case of clobber inside conditional
2283         call is processed correctly.
2284         
2285 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2286
2287         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
2288         operands with compatible type.
2289
2290 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
2291
2292         * expr.h (store_bit_field): Don't return a value.
2293         * expmed.c (check_predicate_volatile_ok): New function.
2294         (store_bit_field_1): New function, extracted from store_bit_field.
2295         Take a fallback_p argument and return true if the operation succeeded.
2296         Only use store_fixed_bit_field if fallback_p.  Don't recompute
2297         mode_for_extraction; use op_mode instead.  Try forcing memories
2298         into registers if the insv expander fails.
2299         (store_bit_field): Use store_bit_field_1 with fallback_p true.
2300         Don't return a value.
2301         (convert_extracted_bit_field): New function, extracted from
2302         store_bit_field.
2303         (extract_bit_field_1): Likewise.  Take a fallback_p argument
2304         and return NULL if the operation succeeded.  Only use
2305         extract_fixed_bit_field if fallback_p.  Only calculate one
2306         extraction mode.  Combine code for extv and extzv.  Try forcing
2307         memories into registers if the ext(z)v expander fails.
2308         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
2309
2310 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
2311
2312         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
2313         into bitfields.
2314         (df_ref): Likewise.  Put regno with other integer fields.
2315
2316 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
2317
2318         * df.h (df_mw_hardreg): Remove "loc" field.
2319         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
2320         local variable.
2321         * df-problems.c (df_whole_mw_reg_unused_p): New function,
2322         split out from df_set_unused_notes_for_mw.  Return false for
2323         partial references.  Assert that mw_reg is a REG when returning true.
2324         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
2325         (df_whole_mw_reg_dead_p): New function, split out from
2326         df_set_dead_notes_for_mw.  Return false for partial references.
2327         Assert that mw_reg is a REG when returning true.
2328         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
2329         Remove redundant bitmap check.
2330
2331 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
2332
2333         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
2334         ($(T)crtend.o): Likwise.
2335         ($(T)crtbeginS.o): Likwise.
2336         ($(T)crtendS.o): Likwise.
2337         ($(T)crtfastmath.o): Likwise.
2338
2339 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
2340
2341         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
2342         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
2343         * basic-block.h (struct control_flow_graph): Added x_dom_computed
2344         and x_n_bbs_in_dom_tree fields.
2345
2346 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
2347
2348         PR tree-optimization/32087
2349         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
2350         Do not call scale_bbs_frequencies_int with prob of zero.
2351
2352 2007-07-26  Julian Brown  <julian@codesourcery.com>
2353
2354         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
2355         (neon_element_bits): Add prototypes.
2356         * config/arm/arm.c (bounds_check, neon_lane_bounds)
2357         (neon_const_bounds, neon_element_bits): New functions.
2358         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
2359         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
2360         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
2361         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
2362         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
2363         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
2364         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
2365         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
2366         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
2367         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
2368         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
2369         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
2370         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
2371
2372 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
2373
2374         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
2375         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
2376
2377 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
2378             Julian Brown  <julian@codesourcery.com>
2379
2380         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
2381         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
2382         * config/arm/cortex-a8.md: New.
2383         * config/arm/cortex-a8-neon.md: New.
2384         * config/arm/neon-schedgen.ml: New.
2385         * config/arm/neon.md (vqh_mnem): New.
2386         (neon_type): New.
2387         (Is_float_mode): New.
2388         (Scalar_mul_8_16): New.
2389         (Is_d_reg): New.
2390         (V_mode_nunits): New.
2391         (All instruction patterns): Annotate with neon_type attribute
2392         values.
2393         * config/arm/arm.md: Include cortex-a8.md.
2394         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
2395         values.
2396         Annotate instruction patterns accordingly.
2397         (generic_sched): Do not use generic scheduling for Cortex-A8.
2398         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
2399
2400 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
2401
2402         * fold-const.c (fold_read_from_constant_string): Use
2403         build_int_cst_type.
2404         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
2405
2406 2007-07-26  Nick Clifton  <nickc@redhat.com>
2407
2408         * tree-ssa-operands.h: Change copyright header to refer to version
2409         3 of the GNU General Public License and to point readers at the
2410         COPYING3 file and the FSF's license web page.
2411         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
2412         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
2413         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
2414         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
2415         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
2416         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
2417         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
2418         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
2419         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
2420         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
2421         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
2422         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
2423         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
2424         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
2425         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
2426         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
2427         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
2428         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
2429         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
2430         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
2431         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
2432         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
2433         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
2434         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
2435         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
2436         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
2437         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
2438         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
2439         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
2440         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
2441         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
2442         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
2443         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
2444         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
2445         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
2446         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
2447         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
2448         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
2449         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
2450         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
2451         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
2452         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
2453         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
2454         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
2455         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
2456         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
2457         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
2458         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
2459         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
2460         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
2461         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
2462         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
2463         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
2464         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
2465         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
2466         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
2467         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
2468         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
2469         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
2470         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
2471         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
2472         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
2473         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
2474         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
2475         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
2476         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
2477         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
2478         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
2479         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
2480         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
2481         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
2482         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
2483         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
2484         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
2485         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
2486         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
2487         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
2488         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
2489         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
2490         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
2491         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
2492         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
2493         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
2494         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
2495         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
2496         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
2497         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
2498         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
2499         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
2500         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
2501         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
2502         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
2503         vecprim.h, basic-block.h, tree-ssa-structalias.c,
2504         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
2505         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
2506         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
2507         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
2508         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
2509         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
2510         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
2511         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
2512         convert.c, convert.h, langhooks-def.h, reload1.c,
2513         tree-ssa-operands.c: Likewise.
2514
2515 2007-07-26  Jan Hubicka  <jh@suse.cz>
2516
2517         * tree-ssa-live.c: Include debug.h and flags.h.
2518         (mark_scope_block_unused): New function.
2519         (remove_unused_scope_block_p): New function.
2520         (remove_unused_locals): Remove unused blocks too.
2521
2522 2007-07-25  Ian Lance Taylor  <iant@google.com>
2523
2524         * combine.c (combine_max_regno): Remove.  Remove all uses.
2525         (struct reg_stat_struct): Rename from struct reg_stat.
2526         (reg_stat_type): Define, and declare VECs.
2527         (reg_stat): Change from pointer to VEC.  Change all uses.
2528         (combine_split_insns): New static function.
2529         (try_combine, find_split_point): Call it instead of split_insns.
2530
2531 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
2532
2533         * cfghooks.c (split_block): Fix the information about loop latch.
2534
2535 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
2536
2537         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
2538
2539 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
2540
2541         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
2542         Scan the new edge for loop exit info.
2543
2544 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
2545
2546         * config/darwin.c: Include debug.h.
2547
2548 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
2549
2550         PR target/32218
2551         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
2552
2553 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
2554
2555         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
2556         (HARD_REGNO_MODE_OK): Ditto.
2557         (MODES_TIEABLE_P): Ditto.
2558         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2559         (CLASS_MAX_NREGS): Ditto.
2560         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
2561         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
2562         (divdf3_internal_thr): Removed.
2563         * config/ia64/div.md: New file.
2564         * config/ia64/constraints.md: Add H constraint.
2565
2566 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2567
2568         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
2569         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
2570         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
2571         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
2572         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
2573         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
2574         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
2575         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
2576         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
2577         dump_sbitmap_file, debug_sbitmap, popcount_table,
2578         sbitmap_popcount): Constify.
2579         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
2580         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
2581         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
2582         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
2583         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
2584         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
2585         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
2586         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
2587         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
2588         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
2589         sbitmap_popcount, sbitmap_verify_popcount): Constify.
2590
2591 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2592
2593         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
2594         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
2595         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
2596         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
2597         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
2598         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
2599         bitmap_intersect_p, bitmap_intersect_compl_p,
2600         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
2601         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
2602         Constify.
2603         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
2604         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
2605         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
2606         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
2607         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
2608         debug_bitmap, debug_bitmap_file, bitmap_print,
2609         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
2610         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
2611
2612 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
2613
2614         * config/darwin.c (darwin_override_options): Additional fix for
2615         debug info formats that don't support var tracking.
2616
2617 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2618
2619         * cselib.c (entry_and_rtx_equal_p): Constify.
2620         * gengtype.c (output_mangled_typename, write_types, write_local):
2621         Likewise.
2622         * gengtype.h (const_type_p): New.
2623         * see.c (eq_descriptor_extension, hash_descriptor_extension):
2624         Constify.
2625         * tlink.c (scan_linker_output): De-constify.
2626         * tree-ssa-loop-im.c (memref_eq): Constify.
2627         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
2628         (shared_bitmap_hash, shared_bitmap_eq): Constify.
2629
2630 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2631
2632         * c-common.c (fname_as_string, c_type_hash): Constify.
2633         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
2634         * cgraph.c (edge_hash, edge_eq): Likewise.
2635         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
2636         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
2637         reg_attrs_htab_eq): Likewise.
2638         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
2639         Likewise.
2640         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
2641         const_decl_t, const_state_t, const_automata_list_el_t): New.
2642         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
2643         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
2644         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
2645         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
2646         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
2647         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
2648         compare_max_occ_cycle_nums, out_state_arcs_num,
2649         compare_transition_els_num, units_cmp, state_reservs_cmp):
2650         Constify.
2651         * genmodes.c (cmp_modes): Likewise.
2652         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
2653         * gimplify.c (compare_case_labels): Likewise.
2654         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
2655         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
2656         * matrix-reorg.c (mtt_info_hash): Likewise.
2657         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
2658         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
2659         (htab_hash_bucket, htab_hash_elem): Constify.
2660         * tree-browser.c (TB_parent_eq): Likewise.
2661         * tree-scalar-evolution.c (hash_scev_info): Likewise.
2662         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
2663         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
2664         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
2665         Constify.
2666         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
2667         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
2668         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
2669         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
2670         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
2671         New.
2672         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
2673         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
2674         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
2675         * tree-ssa-threadupdate.c (redirection_data_hash,
2676         redirection_data_eq): Likewise. 
2677         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
2678         * tree-ssa.c (var_ann_eq): Likewise.
2679         * tree-vrp.c (compare_case_labels): Likewise.
2680         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
2681         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
2682         tree_not_check_failed, tree_class_check_failed,
2683         tree_range_check_failed, tree_not_class_check_failed,
2684         omp_clause_check_failed, omp_clause_range_check_failed,
2685         tree_contains_struct_check_failed, tree_operand_check_failed):
2686         Likewise. 
2687         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
2688         tree_not_check_failed, tree_class_check_failed,
2689         tree_range_check_failed, tree_not_class_check_failed,
2690         tree_operand_check_failed, omp_clause_operand_check_failed,
2691         tree_operand_length): Likewise. 
2692         * var-tracking.c (const_variable): New.
2693         (variable_htab_hash, variable_htab_eq): Constify.
2694         * varasm.c (const_desc_hash): Likewise.
2695
2696 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2697
2698         * expr.c (handled_component_p): Constify.
2699         * fold-const.c (fit_double_type): Likewise.
2700         * real.h (real_value_from_int_cst): Likewise.
2701         * tree-flow-inline.h (gimple_in_ssa_p,
2702         gimple_aliases_computed_p, gimple_addressable_vars,
2703         gimple_call_clobbered_vars, gimple_referenced_vars,
2704         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
2705         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
2706         may_aliases, end_readonly_imm_use_p, has_zero_uses,
2707         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
2708         is_label_stmt, is_global_var, phi_ssa_name_p,
2709         factoring_name_p, is_call_clobbered, tree_common_ann,
2710         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
2711         unmodifiable_var_p, array_ref_contains_indirect_ref,
2712         ref_contains_array_ref, lookup_subvars_for_var,
2713         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
2714         gimple_mem_ref_stats): Likewise.
2715         * tree-flow.h (tree_common_ann, var_ann, function_ann,
2716         may_aliases, is_exec_stmt, is_label_stmt,
2717         ref_contains_array_ref, array_ref_contains_indirect_ref,
2718         var_can_have_subvars, overlap_subvar, is_call_clobbered,
2719         unmodifiable_var_p): Likewise.
2720         * tree-gimple.c (is_gimple_min_invariant): Likewise.
2721         * tree-gimple.h (is_gimple_min_invariant): Likewise. 
2722         * tree.c (type_hash_list, attribute_hash_list, tree_size,
2723         cst_and_fits_in_hwi, real_value_from_int_cst,
2724         build_real_from_int_cst, integer_zerop, integer_onep,
2725         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
2726         tree_floor_log2, real_zerop, real_onep, real_twop,
2727         real_minus_onep, really_constant_p, purpose_member, chain_member,
2728         list_length, fields_length, int_size_in_bytes, bit_position,
2729         int_bit_position, byte_position, int_byte_position, expr_align,
2730         array_type_nelts, tree_node_structure,
2731         type_contains_placeholder_1, iterative_hash_pointer,
2732         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
2733         tree_map_base_eq, type_hash_list, type_hash_eq,
2734         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
2735         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
2736         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
2737         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
2738         int_fits_type_p, get_containing_scope, decl_function_context,
2739         decl_type_context, omp_clause_operand_check_failed,
2740         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
2741         * tree.h (omp_clause_operand_check_failed, tree_size,
2742         build_real_from_int_cst, array_type_nelts, purpose_member,
2743         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
2744         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
2745         is_attribute_p, check_qualified_type, expr_align,
2746         int_size_in_bytes, bit_position, int_bit_position, byte_position,
2747         int_byte_position, list_length, fields_length, initializer_zerop,
2748         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
2749         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
2750         tree_node_structure, handled_component_p, get_containing_scope,
2751         decl_function_context, decl_type_context, real_zerop,
2752         type_num_arguments, fit_double_type, really_constant_p,
2753         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
2754         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
2755         real_twop, real_minus_onep, int_cst_value): Likewise.
2756
2757 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2758
2759         * cfglayout.c (insn_scope, insn_line): Constify.
2760         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
2761         const_double_htab_hash, const_double_htab_eq,
2762         mem_attrs_htab_hash): Likewise.
2763         * loop-iv.c (biv_eq): Likewise.
2764         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
2765         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
2766         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
2767         Likewise. 
2768         * rtl-error.c (location_for_asm, diagnostic_for_asm,
2769         error_for_asm, warning_for_asm, _fatal_insn,
2770         _fatal_insn_not_found): Likewise. 
2771         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
2772         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
2773         rtl_check_failed_type2, rtl_check_failed_code1,
2774         rtl_check_failed_code2, rtl_check_failed_code_mode,
2775         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
2776         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
2777         rtl_check_failed_type2, rtl_check_failed_code1,
2778         rtl_check_failed_code2, rtl_check_failed_code_mode,
2779         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
2780         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
2781         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
2782         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
2783         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
2784         rtx_unstable_p, get_integer_term, get_related_value,
2785         offset_within_block_p, reg_mentioned_p, count_occurrences,
2786         reg_referenced_p, reg_used_between_p, no_labels_between_p,
2787         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
2788         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
2789         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
2790         find_constant_src, find_reg_fusage, find_regno_fusage,
2791         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
2792         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
2793         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
2794         computed_jump_p, auto_inc_p, in_expr_list_p,
2795         remove_node_from_expr_list, loc_mentioned_in_p,
2796         label_is_jump_target_p, reversed_comparison_code_parts,
2797         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
2798         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
2799         print_inline_rtx): Likewise.
2800         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
2801         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
2802         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
2803         get_integer_term, get_related_value, offset_within_block_p,
2804         count_occurrences, reg_mentioned_p, no_labels_between_p,
2805         reg_used_between_p, reg_referenced_p, single_set_2,
2806         multiple_sets, set_noop_p, refers_to_regno_p,
2807         reg_overlap_mentioned_p, dead_or_set_p,
2808         covers_regno_no_parallel_p, covers_regno_p,
2809         dead_or_set_regno_p, find_reg_note, find_regno_note,
2810         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
2811         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
2812         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
2813         side_effects_p, may_trap_p_1, may_trap_p,
2814         may_trap_after_code_motion_p, may_trap_or_fault_p,
2815         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
2816         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
2817         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
2818         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
2819         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
2820         Likewise. 
2821         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
2822         warning_for_asm): Likewise.
2823         * tree.h (print_rtl): Likewise.
2824         * varasm.c (get_pool_mode): Likewise.
2825
2826 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2827
2828         * c-lex.c (c_lex_with_flags, lex_string): Constify.
2829         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
2830         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
2831         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
2832         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
2833         * ddg.c (compare_sccs): Likewise.
2834         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
2835         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
2836         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
2837         decimal_do_fix_trunc, decimal_real_to_integer,
2838         decimal_real_to_integer2, decimal_real_maxval): Likewise.
2839         * dse.c (const_group_info_t): New.
2840         (invariant_group_base_eq, invariant_group_base_hash): Constify.
2841         * dwarf2out.c (const_dw_die_ref): New.
2842         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
2843         * tree-browser.c (TB_parent_eq): Likewise.
2844         * unwind-dw2-fde.c (__register_frame_info_bases,
2845         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
2846         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
2847         Likewise.
2848         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
2849         * unwind-dw2.c (uw_frame_state_for): Likewise.
2850         * value-prof.c (histogram_hash, histogram_eq): Likewise.
2851         * value-prof.h (const_histogram_value): New.
2852
2853 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
2854
2855         * config/mips/mips.c (machine_function): Add
2856         initialized_mips16_gp_pseudo_p.
2857         (mips16_gp_pseudo_reg): Do not emit the initialization of
2858         mips16_gp_pseudo_rtx when being called from the gimple cost-
2859         calculation routines; emit it on the first use outside those
2860         routines.
2861
2862 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2863
2864         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
2865         New.
2866         
2867         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
2868         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
2869         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
2870         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
2871         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
2872         Preserve const-ness of parameters through use of __typeof(),
2873         also constify and tidy.
2874         
2875         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
2876         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
2877         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
2878         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
2879         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
2880         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
2881         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
2882         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
2883         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
2884
2885 2007-07-25  Julian Brown  <julian@codesourcery.com>
2886             Mark Shinwell  <shinwell@codesourcery.com>
2887
2888         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
2889         (alpha_mangle_type): This.
2890         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2891         (TARGET_MANGLE_TYPE): Define this instead.
2892         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
2893         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
2894         (arm_init_neon_builtins): Fix comment.
2895         (arm_mangle_map_entry): New.
2896         (arm_mangle_map): New.
2897         (arm_mangle_type): New.
2898         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
2899         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
2900         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
2901         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2902         (TARGET_MANGLE_TYPE): Define this instead.
2903         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
2904         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
2905         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
2906         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2907         (TARGET_MANGLE_TYPE): Define this instead.
2908         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
2909         to...
2910         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
2911         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2912         (TARGET_MANGLE_TYPE): Define this instead.
2913         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
2914         (s390_mangle_type): This.
2915         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2916         (TARGET_MANGLE_TYPE): Define this instead.
2917         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
2918         (sparc_mangle_type): This.
2919         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
2920         (TARGET_MANGLE_TYPE): Define this instead.
2921         * cp/mangle.c (write_type): Call mangle_type target hook on all
2922         types before mangling.  Use original type, not main variant, as
2923         argument.
2924         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
2925         (TARGET_MANGLE_TYPE): This.
2926         * target.h (gcc_target): Rename mangle_fundamental_type to
2927         mangle_type.
2928         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
2929         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
2930
2931 2007-07-25  Julian Brown  <julian@codesourcery.com>
2932             Paul Brook  <paul@codesourcery.com>
2933             Joseph Myers  <joseph@codesourcery.com>
2934             Mark Shinwell  <shinwell@codesourcery.com>
2935
2936         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
2937         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
2938         (with_fpu): Allow --with-fpu=neon.
2939         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
2940         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
2941         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
2942         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
2943         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
2944         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
2945         (neon_emit_pair_result_insn, neon_disambiguate_copy)
2946         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
2947         (output_move_neon): Add prototypes.
2948         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
2949         (all_fpus): Add FPUTYPE_NEON.
2950         (fp_model_for_fpu): Add NEON field.
2951         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
2952         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
2953         in registers.
2954         (arm_legitimate_address_p): Don't support fancy addressing for NEON
2955         structure moves.
2956         (thumb2_legitimate_address_p): Likewise.
2957         (neon_valid_immediate): Recognize and prepare constants suitable for
2958         NEON instructions.
2959         (neon_immediate_valid_for_move): New function. Recognize and prepare
2960         immediates for NEON move instructions.
2961         (neon_immediate_valid_for_logic): New function. Recognize and
2962         prepare immediates for NEON logic instructions.
2963         (neon_output_logic_immediate): New function. Create asm string
2964         suitable for outputting immediate logic instructions.
2965         (neon_pairwise_reduce): New function. Implement reduction using
2966         pairwise operations.
2967         (neon_expand_vector_init): New function. Expand a (possibly
2968         non-constant) vector initialization.
2969         (neon_vector_mem_operand): New function. Memory operands supported
2970         for quad-word loads/stores to/from ARM or NEON registers. Don't
2971         allow base+offset addressing for core regs.
2972         (neon_struct_mem_operand): New function. Valid mems for NEON
2973         structure moves.
2974         (coproc_secondary_reload_class): Enable NEON registers to be loaded
2975         from neon_vector_mem_operand addresses without a secondary register.
2976         (add_minipool_forward_ref): Handle >8-byte minipool entries.
2977         (add_minipool_backward_ref): Likewise.
2978         (dump_minipool): Likewise.
2979         (push_minipool_fix): Likewise.
2980         (output_move_quad): New function. Output quad-word moves, loads and
2981         stores using ARM registers.
2982         (output_move_vfp): Add support for vectors in VFP (NEON) D
2983         registers.
2984         (output_move_neon): Output a NEON load/store to/from a quadword
2985         register.
2986         (arm_print_operand): Implement new codes:
2987         - 'c' for unadorned integers (without a # sign).
2988         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
2989         mode.
2990         - 'e', 'f' for the low and high D parts of a NEON Q register.
2991         - 'q' outputs a NEON Q register.
2992         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
2993         - 'T' prints NEON opcode features from a coded bitmask.
2994         - 'F' is similar to T, but signed/unsigned codes both print as
2995         'i'.
2996         - 't' is similar to T, but 'u' is printed instead of 'p'.
2997         - 'O' prints 'r' if NEON instruction should perform rounding (as
2998         specified by bitmask), else prints nothing.
2999         - '#' is a punctuation character to stop operand numbers from
3000         running together with following digits in the assembler
3001         strings for instructions (when using mode attributes).
3002         (arm_assemble_integer): Handle extra NEON vector modes. Permute
3003         constant vectors in big-endian mode, where necessary.
3004         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
3005         Handle EI, OI, CI, XI modes.
3006         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
3007         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
3008         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
3009         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
3010         (neon_builtin_type_bits): Add enumeration, one bit for each vector
3011         type.
3012         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
3013         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
3014         to turn v8qi, etc. into bits defined above.
3015         (neon_itype): New enumeration. Classifications of NEON builtins.
3016         (neon_builtin_datum): Define struct. Contains information about
3017         a single builtin (with multiple modes).
3018         (CF): Define helper macro for...
3019         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
3020         modes.
3021         (neon_builtin_data): New array. Define information about builtins
3022         for use during initialization/expansion.
3023         (arm_init_neon_builtins): New function.
3024         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
3025         true.
3026         (neon_builtin_compare): New function.
3027         (locate_neon_builtin_icode): New function. Find an insn code for a
3028         builtin given a function code for that builtin. Also return type of
3029         builtin (NEON_BINOP, NEON_UNOP etc.).
3030         (builtin_arg): New enumeration. Types of arguments for builtins.
3031         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
3032         Takes a variable argument list of builtin_arg types, terminated by
3033         NEON_ARG_STOP.
3034         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
3035         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
3036         (neon_emit_pair_result_insn): New function. Support returning pairs
3037         of vectors via a pointer.
3038         (neon_disambiguate_copy): New function. Set up operands for a
3039         multi-word copy such that registers do not get clobbered.
3040         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
3041         ARM_BUILTIN_NEON_BASE.
3042         (arm_file_start): Set float-abi attribute for NEON.
3043         (arm_vector_mode_supported_p): Enable NEON vector modes.
3044         (arm_mangle_map_entry): New.
3045         (arm_mangle_map): New.
3046         (arm_mangle_vector_type): New.
3047         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
3048         when appropriate.
3049         (TARGET_NEON): New macro. Target supports NEON.
3050         (fputype): Add FPUTYPE_NEON.
3051         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
3052         for vectorization based on command-line arg.
3053         (NEON_REGNO_OK_FOR_NREGS): Define.
3054         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
3055         (VALID_NEON_STRUCT_MODE): Define.
3056         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
3057         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
3058         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
3059         (consttable_16): Add pattern for outputting 16-byte minipool
3060         entries.
3061         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
3062         vec-common.md).
3063         (vec-common.md, neon.md): Include md files.
3064         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
3065         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
3066         (memory_constraint "Ut", "Un", "Us"): Define.
3067         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
3068         (MMX_char): New mode attribute.
3069         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
3070         (*add<mode>3_iwmmxt): New insn pattern.
3071         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
3072         (*sub<mode>3_iwmmxt): New insn pattern.
3073         (mulv4hi3): Rename to...
3074         (*mulv4hi3_iwmmxt): This.
3075         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
3076         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
3077         (uminv4hi3, uminv2si3): Remove. Replace with...
3078         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
3079         (*umin<mode>3_iwmmxt): These.
3080         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
3081         (ashr<mode>3_iwmmxt): This new pattern.
3082         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
3083         (lshr<mode>3_iwmmxt): This new pattern.
3084         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
3085         (ashl<mode>3_iwmmxt): This new pattern.
3086         * config/arm/neon-docgen.ml: New file. Generate documentation for
3087         intrinsics.
3088         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
3089         * config/arm/arm_neon.h: New (autogenerated).
3090         * config/arm/neon-testgen.ml: New file. Generate NEON tests
3091         automatically.
3092         * config/arm/neon.md: New file. Define NEON instructions.
3093         * config/arm/neon.ml: New file. Abstract description of NEON
3094         instructions, used to generate arm_neon.h header, documentation and
3095         tests.
3096         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
3097         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
3098         support.
3099         * doc/extend.texi (ARM Built-in Functions): Rename and remove
3100         extraneous comma.
3101         (ARM NEON Intrinsics): New subsection.
3102         * doc/arm-neon-intrinsics.texi: New (autogenerated).
3103
3104 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
3105
3106         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
3107         prototype.
3108
3109 2007-07-24  Jan Hubicka  <jh@suse.cz>
3110
3111         * regclass.c (move_table): New type.
3112         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
3113         (init_move_cost): Break out from ...
3114         (init_reg_sets_1): ... here; simplify computation of
3115         have_regs-of_mode and contains_reg_of_mode.
3116         (record_reg_classes): Unswitch internal loops.
3117         (copy_cost): Trigger lazy initialization of move cost
3118         (record_address_regs): Likewise.
3119
3120 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
3121
3122         * config/darwin.c (darwin_override_options): Don't force on
3123         flag_var_tracking_uninit when no debug info is requested.
3124
3125 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
3126
3127         * cfgloop.c (init_loops_structure): New function.
3128         (flow_loops_find): Create root of the loop tree unconditionally.
3129
3130 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
3131
3132         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
3133
3134 2007-07-24  Jan Hubicka  <jh@suse.cz>
3135
3136         * caller-save.c: Include ggc.h, gt-caller-save.h
3137         (reg_save_code, reg_restore_code): Rename to ...
3138         (cached_reg_save_code, cached_reg_restore_code): ... those.
3139         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
3140         (reg_save_code, reg_restore_code): New functions.
3141         (init_caller_save): Do not intialize
3142         reg_save_code/reg_restore_code tables.
3143         * Makefile.in: (gt-caller-save.h): New.
3144
3145 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3146
3147         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
3148         with the mode of the original operand instead of
3149         integer_one_node.
3150
3151 2007-07-23  Jan Hubicka  <jH@suse.cz>
3152
3153         * i386.c (ix86_secondary_memory_needed): Break out to...
3154         (inline_secondary_memory_needed): ... here.
3155         (ix86_memory_move_cost): Break out to ...
3156         (inline_memory_move_cost): ... here; add support for IN value of 2 for
3157         maximum of input and output; fix handling of Q_REGS on 64bit.
3158         (ix86_secondary_memory_needed): Microoptimize.
3159
3160 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
3161
3162         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
3163         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
3164         stmts_from_loop, known_dependences_p, build_rdg): New.
3165         * tree-data-ref.h: Depends on graphds.h.
3166         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
3167         (build_rdg): Declared.
3168         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
3169
3170 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
3171
3172         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
3173         ccp_min_invariant.
3174
3175 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
3176             Jakub Jelinek  <jakub@redhat.com>
3177
3178         PR middle-end/PR28690
3179         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow EQ compares.
3180         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
3181         and MEM_POINTER operands over REG and MEM operands.
3182         (swap_commutative_operands_p): Change return value to bool.
3183         * rtl.h: Update the corresponding prototype.
3184         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
3185         instead of gen_rtx_PLUS.
3186         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
3187         value to bool.  Change function arguments to rtx's and update code
3188         to match.
3189         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
3190         calls to match the new declaration.
3191         * simplify-rtx.c (simplify_associative_operation): Don't
3192         reorder simplify_binary_operation arguments.
3193
3194 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
3195
3196         * config/mips/mips.c (override_options): Use mips_costs to derive
3197         the default branch cost.
3198         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
3199         than mips_costs.
3200         * config/mips/mips.opt (mbranch-cost=): New option.
3201         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
3202
3203 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
3204
3205         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
3206         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
3207         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
3208         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
3209
3210 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
3211
3212         * config/mips/constraints.md (ks): New constraint.
3213         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
3214         (*add<mode>3_mips16): ...here.
3215
3216 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
3217
3218         * optabs.h (enum optab_index): Add new OTI_signbit.
3219         (signbit_optab): Define corresponding macro.
3220         (enum insn_code signbit_optab[]): Remove array.
3221         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
3222         (expand_copysign_absneg): If back end provides signbit insn, use it
3223         instead of bit operations on floating point argument.
3224         * builtins.c (enum insn_code signbit_optab[]): Remove array.
3225         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code for
3226         availability of signbit insn.
3227
3228         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
3229         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
3230         SSE mode is not active.
3231         (isinf<mode>2): Disable for mfpmath=sse,387.
3232
3233 2007-07-22  Ben Elliston  <bje@au.ibm.com>
3234
3235         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
3236         `class' parameter.
3237         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
3238
3239 2007-07-20  Richard Guenther  <rguenther@suse.de>
3240
3241         * tree-cfg.c (verify_expr): COND_EXPRs can have any
3242         integral typed condition.
3243         * tree-ssa.c (useless_type_conversion_p): Do not preserve
3244         booleanness.  Only preserve conversions from a non-base
3245         type to a base type, not in general between types with
3246         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
3247         * tree.def (COND_EXPR): Document that the condition
3248         can be of any integral type.
3249
3250 2007-07-20  Nigel Stephens  <nigel@mips.com>
3251             Richard Sandiford  <richard@codesourcery.com>
3252
3253         * config/mips/mips.h (mips_dwarf_regno): Declare.
3254         (DBX_REGISTER_NUMBER): Remove redundant brackets.
3255         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
3256         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
3257         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
3258         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
3259         (REG_CLASS_NAMES): Update accordingly.
3260         * config/mips/mips.c (mips_dwarf_regno): New array.
3261         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
3262         (mips_subword): Remove special handling for accumulator registers.
3263         (override_options): Initiailize mips_dwarf_regno.  Remove use
3264         of ACC_HI_REG_P.
3265         (mips_swap_registers): New function.
3266         (mips_conditional_register_usage): Swap accumulator registers
3267         around if TARGET_LITTLE_ENDIAN.
3268         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
3269         * config/mips/constraints.md (h, l): Use the endianness to choose
3270         between MD0_REG and MD1_REG.
3271         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
3272         alternative-dependent template.
3273
3274 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
3275
3276         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
3277         no_new_pseudos.
3278
3279 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3280
3281         * function.c (thread_prologue_and_epilogue_insns): Fix exit
3282         predecessor fallthru flags.
3283
3284 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3285
3286         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
3287         of compare to the same type.
3288         * cfgloopmanip.c (add_loop): Update information about loop exits.
3289         (loop_version): Remove the innermost loop requirement.
3290         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
3291         to sizetype for pointers.
3292
3293 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
3294
3295         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
3296         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
3297         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
3298
3299         * config/dfp-bit.c: Empty for TFmode conversions.
3300
3301 2007-07-18  Caroline Tice  <ctice@apple.com>
3302         
3303         * var-tracking.c (find_src_status):  Check for  COND_EXEC insns
3304         and handle them correctly; check that src is not NULL before
3305         trying to use it.
3306         (find_src_set_src): Likewise.
3307         
3308 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
3309         
3310         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
3311         (struct alignment_context, init_alignment_context): New.
3312         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
3313         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
3314         (XCHAL_HAVE_S32C1I): Likewise.
3315         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
3316         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
3317         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
3318         (ATOMIC, HQI): New macros.
3319         (memory_barrier, *memory_barrier): New.
3320         (sync_lock_releasesi): New.
3321         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
3322         (sync_lock_test_and_set<mode>): New.
3323         (sync_<atomic><mode>): New.
3324         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
3325         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
3326         (xtensa_expand_atomic): New.
3327         
3328 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3329
3330         PR target/30652
3331
3332         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
3333         transformation for builtin ISNORMAL.
3334         (expand_builtin): Handle BUILT_IN_ISNORMAL.
3335         * builtins.def (BUILT_IN_ISNORMAL): New.
3336         * doc/extend.texi: Document isnormal.
3337
3338 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3339
3340         PR target/30652
3341
3342         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
3343         optabs infrastructure.  Provide generic implementation for
3344         FINITE/ISFINITE.
3345         (expand_builtin): Handle FINITE/ISFINITE.
3346         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
3347         (fold_builtin_1): Likewise.
3348
3349         * builtins.def (BUILT_IN_ISFINITE): New.
3350
3351         * doc/extend.texi: Document isfinite.
3352
3353 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3354
3355         PR target/30652
3356         PR middle-end/20558
3357
3358         * builtins.c (expand_builtin_interclass_mathfn): Provide a
3359         generic fallback for isinf.
3360         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
3361         calculation code ...
3362         * real.c (get_max_float): ... to here.
3363         * real.h (get_max_float): New.
3364
3365 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3366
3367         PR middle-end/32668
3368
3369         * builtin-attrs.def (ATTR_TYPEGENERIC,
3370         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
3371
3372         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
3373         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
3374         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
3375         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
3376
3377         * c-common.c (handle_type_generic_attribute): New.
3378         (c_common_attribute_table): Add "type generic".
3379
3380         * c-typeck.c (convert_arguments): Handle "type generic" functions.
3381
3382 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
3383
3384         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
3385         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
3386         properly.
3387
3388 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
3389
3390         PR target/32808
3391         * config/cris/cris.c (cris_print_index): Don't use XEXP before
3392         checking that the operand is an expression.
3393
3394 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
3395             Danny Smith  <dannysmith@users.sourceforge.net>
3396
3397         PR/other 30335
3398         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
3399         file mapping object in local namespace if Windows version later
3400         than NT4
3401
3402 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
3403
3404         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
3405         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
3406         arm_cannot_force_const_mem.
3407         (arm_cannot_force_const_mem): New function.
3408         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
3409         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
3410         of arm_tls_referenced_p.
3411         * config/arm/arm.md (movsi): Split out-of-section constants when
3412         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
3413         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3414
3415 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
3416
3417         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
3418
3419 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
3420
3421         * config/mips/mips.md (*extendqihi2): Convert the destination
3422         to SImode.
3423
3424 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3425
3426         * config/pa/fptr.c: Update license header.
3427         * config/pa/milli64.S: Likewise.
3428
3429 2007-07-17  Nick Clifton  <nickc@redhat.com>
3430
3431         * COPYING_v3: New file.  Contains version 3 of the GNU General
3432         Public License.
3433         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
3434         Lesser General Public License.
3435         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
3436         the GNU General Public License.
3437
3438 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
3439
3440         PR rtl-optimization/32773
3441         * cfglayout.c (force_one_exit_fallthru): New function.
3442         (cfg_layout_finalize): Use it.
3443
3444 2007-07-16  Richard Guenther  <rguenther@suse.de>
3445             Uros Bizjak  <ubizjak@gmail.com>
3446
3447         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
3448         before forcing it to gimple operand.
3449
3450 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
3451             David Ung  <davidu@mips.com>
3452
3453         * config/mips/mips.h (TUNE_24K): Define.
3454         (TUNE_MACC_CHAINS): Add TUNE_24K.
3455         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
3456         imadd.
3457         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
3458         (r74k_int_madd): .. this new reservation.
3459         (define_bypass): Fixed bypasses for r74k_int_madd to use
3460         mips_linked_madd_p.
3461         * config/mips/24k.md (define_bypass): Define new
3462         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
3463
3464 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
3465             Nigel Stephens  <nigel@mips.com>
3466
3467         * config/mips/mips.md:  Include 20kc.md.
3468         * config/mips/20kc.md: New file.
3469         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
3470         (mips_adjust_cost): Tweak for 20Kc.
3471         (mips_issue_rate): Likewise.
3472         * config/mips/mips.h (TUNE_20KC): Define.
3473
3474 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
3475
3476         * config/rs6000/rs6000.c (struct processor_cost): Add
3477         cache_line_size, l1_cache_lines, and simultaneous_prefetches
3478         fields.
3479         (*_cost): Add cache information.
3480         (rs6000_override_options): Set cache parameters.
3481
3482 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3483
3484         PR bootstrap/3456
3485         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
3486         * doc/install.texi (mips-sgi-irix6): pthread support works now.
3487
3488 2007-07-16  Paul Brook  <paul@codesourcery.com>
3489
3490         PR target/32753
3491         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
3492         (cirrus_thumb2_movsi_insn): Ditto.
3493
3494 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
3495
3496         * config/rs6000/darwin-fallback.c (interpret_libc): Change
3497         CR2_REGNO to R_CR2.
3498
3499 2007-07-15  Andrew Haley  <aph@redhat.com>
3500
3501         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
3502         before looking in the context.
3503
3504 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3505
3506         PR middle-end/32398
3507         PR middle-end/32769
3508         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
3509         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
3510         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
3511         (pa_output_function_prologue): Use rp_saved and current_function_is_leaf
3512         to generate .CALLINFO statement.
3513         (hppa_expand_prologue): Set rp_saved.
3514         (hppa_expand_epilogue): Use rp_saved.
3515         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
3516         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
3517
3518 2007-07-14  Dirk Mueller  <dmueller@suse.de>
3519
3520         * omega.c (coalesce): Fix memory leak on early exit.
3521         * matrix-reorg.c (check_allocation_function): Likewise.
3522         * tree-vect-transform.c (vect_get_new_vect_var): free result
3523         of concat().
3524         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3525         pass pointer to edge vector
3526         (partition_hot_cold_basic_blocks): Fix memory leak.
3527         * collect2.c (prefix_from_string): Free temporary storage.
3528         * reload1.c (fixup_abnormal_edges): Free sbitmap.
3529
3530 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
3531
3532         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
3533         (DO_GLOBAL_DTORS_BODY): Likewise.
3534
3535 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
3536             Nigel Stephens  <nigel@mips.com>
3537
3538         * config/mips/mips.c (mips_classify_symbol): Don't return
3539         SYMBOL_SMALL_DATA for constant pool addresses if
3540         TARGET_EMBEDDED_DATA is true.
3541
3542 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
3543
3544         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
3545         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
3546         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
3547         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
3548         __builtin_ia32_storehps, __builtin_ia32_storelps,
3549         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
3550         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
3551         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
3552         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
3553         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
3554         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
3555         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
3556         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
3557         using def_builtin_const.
3558
3559 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
3560
3561         PR tree-optimization/32705
3562         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
3563         (simplify_binary_expression): Use SSA_VAL consistently.
3564
3565 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
3566
3567         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
3568         (SPEFSCR_REGNO): Delete definition.
3569         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
3570         COUNT_REGISTER_REGNUM -> CTR_REGNO.
3571         * config/rs6000/rs6000.h: Do not define *_REGNO.
3572         LINK_REGISTER_REGNUM -> LR_REGNO.
3573         COUNT_REGISTER_REGNUM -> CTR_REGNO.
3574         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
3575         COUNT_REGISTER_REGNUM -> CTR_REGNO.
3576         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
3577         R_VRSAVE, R_VSCR. Use them.
3578         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
3579         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
3580         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
3581         * config/rs6000/aix.h: Define R_LR.  Use it.
3582         
3583 2007-07-13  Caroline Tice  <ctice@apple.com>
3584         
3585         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
3586         flag_var_tracking is explicitly turned off (i.e. when variable
3587         tracking is not feasible); otherwise, turn flag_var_tracking on when
3588         flag_var_tracking_uninit is on.
3589         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
3590         note definitions, to allow recording of initialization status in the
3591         notes.
3592         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
3593         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
3594         determine if two note locations are equal.
3595         (output_loc_list): Don't output list entries whose start & end labels
3596         are the same.
3597         (reg_loc_descriptor): Add parameter for initialization status; pass it
3598         to other loc descriptor functions.
3599         (one_reg_loc_descriptor): Add parameter for initialization status;
3600         check its value and add DW_OP_GNU_uninit to returned loc descr if
3601         appropriate.
3602         (multiple_reg_loc_descriptor): Add parameter for initialization
3603         status;
3604         pass init status argument to other loc descriptor functions; check
3605         value of intialization parameter and add DW_OP_GNU_uninit to returned
3606         loc descr if appropriate.
3607         (based_loc_descr): Add parameter for initialization status; add new
3608         variable for return value; check value of initialization parameter and
3609         add DW_OP_GNU_uninit to returned loc descr if appropriate.
3610         (concatn_mem_loc_descriptor): Add parameter for initialization status;
3611         pass init status argument to other loc descriptor functions; check
3612         value of intialization parameter and add DW_OP_GNU_uninit to returned
3613         loc descr if appropriate.
3614         (mem_loc_descriptor): Likewise.
3615         (concat_loc_descriptor): Likewise.
3616         (concatn_loc_descriptor): Likewise.
3617         (loc_descriptor): Add parameter for initialization status; pass it as
3618         argument to other loc descriptor function calls.
3619         (loc_descriptor_from_tree_1): Add appropriate initialization status
3620         to loc descriptor function calls.
3621         (add_location_or_const_value_attribute): Get initialization status
3622         from VAR_LOCATION note; add initialization status to loc descriptor
3623         function calls.
3624         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
3625         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
3626         status is uninitialized, add "[uninint]" to output.
3627         * common.opt (fvar-tracking-uninit): New option, similar to
3628         fvar-tracking, to turn on tracking of uninitialized variables; creates
3629         a new global flag, flag_var_tracking_uninit.
3630         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
3631         (enum var_init_status): New type, for var initialization status field.
3632         * var-tracking.c (struct location_chain_def): Two new fields, init,
3633         for initialization status, and set_src for the assignment value expr.
3634         (unshare_variable): New parameter for initialization status;
3635         initialize new init and set_src fields.
3636         (var_reg_set): New parameters for initialization status and value;
3637         pass them to set_variable_part.
3638         (var_mem_set): Likewise.
3639         (get_init_value): New function.
3640         (var_reg_delete_and_set): New initialization status & value
3641         parameters; add call to get_init_value if status is unknown; pass new
3642         parameters to clobber_variable_part and var_reg_set.
3643         (var_mem_delete_and_set): Likewise.
3644         (var_reg_delete): Pass null set_src value to clobber_variable_part.
3645         (var_mem_delete): Likewise.
3646         (variable_union): Pass status to unshare_variable; initialize new init
3647         and set_src fields. If flag_var_tracking_uninit is not set, force
3648         status to initialized.
3649         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
3650         used later to get the set_src value.
3651         (find_src_status): New function.
3652         (find_src_set_src): New function.
3653         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
3654         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
3655         MO_SET, get set_src value and pass it to var_reg_delete_and_set
3656         and var_mem_delete_and_set.
3657         (dump_variable): Print out "[uninit]" if appropriate.
3658         (set_variable_part): Add new initialization and set_src parameters;
3659         pass status to unshare_variable; set node->init and node- >set_src
3660         fields and modify slot in hash table appropriately; save the init and
3661         set_src values if appropriate and assign to the new node.
3662         (clobber_variable_part): New set_src parameter; if two nodes have
3663         same variable and same location but different set_src (assignment)
3664         values, clobber old node.
3665         (delete_variable_part): Pass init status to unshare_variable.
3666         (emit_note_insn_var_location): Add initialized var; assign var's init
3667         status to new 'initialized'; pass new init status field to calls to
3668         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
3669         status to initialized.
3670         (emit_notes_in_bb): Pass initialization status to calls to
3671         var_reg_set, var_mem_set, var_reg_delete_and_set and
3672         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
3673         var_reg_delete_and_set and var_mem_delete_and_set; call
3674         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
3675         make up for change in add_stores.
3676         (vt_add_function_parameters): Add status to calls to
3677         set_variable_part.
3678         * config/darwin.c (darwin_override_options): Turn on uninitialized
3679         tracking automatically, if var_tracking is on and the system is
3680         10.5 or higher.
3681         
3682 2007-07-13  Sa Liu  <saliu@de.ibm.com>
3683
3684         * config.gcc: Add options for arch and tune on SPU.
3685         * config/spu/predicates.md: Add constant operands 0 and 1.
3686         * config/spu/spu-builtins.def: Add builtins for double precision 
3687         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, 
3688         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
3689         spu_testsv.
3690         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with 
3691         a CELLEDP target.
3692         * config/spu/spu-protos.h: Add new function prototypes. 
3693         * config/spu/spu.c (spu_override_options): Check options -march and
3694         -mtune.
3695         (spu_comp_icode): Add comparison code for DFmode and vector mode.
3696         (spu_emit_branch_or_set): Use the new code for DFmode and vector 
3697         mode comparison.
3698         (spu_const_from_int): New.  Create a vector constant from 4 ints.
3699         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
3700         (spu_emit_vector_compare): New.  Emit vector compare.
3701         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
3702         * config/spu/spu.h: Add options -march and -mtune.  Define processor
3703         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
3704         CANONICALIZE_COMPARISON.
3705         * config/spu/spu.md: Add new insns for double precision compare
3706         and double precision vector compare.  Add vcond and smax/smin patterns
3707         to enable DFmode vector conditional expression.
3708         * config/spu/spu.opt: Add options -march and -mtune.
3709         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
3710         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
3711         both CELL and CELLEDP targets: spu_testsv.
3712         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special 
3713         values.
3714
3715 2007-07-13  Richard Guenther  <rguenther@suse.de>
3716
3717         PR tree-optimization/32721
3718         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
3719         TREE_THIS_VOLATILE on the folded reference.
3720         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
3721         if the array reference has TREE_THIS_VOLATILE set.
3722
3723 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3724
3725         PR other/32188
3726         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
3727
3728 2007-07-13  Andreas Schwab  <schwab@suse.de>
3729
3730         * gengtype-lex.l: Allow declarations to be indented.
3731
3732 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
3733
3734         * ginclude/tgmath.h: New.
3735         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
3736         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
3737         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
3738         * configure: Regenerate.
3739
3740 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3741
3742         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
3743         correct index when setting register save state for xd
3744         registers.
3745
3746 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3747
3748         * config/sh/sh.c (mark_use): Remove.
3749
3750 2007-07-12  Paul Brook  <paul@codesourcery.com>
3751
3752         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
3753         reg does not overlap return value.
3754
3755 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
3756
3757         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
3758         (set_expression_vuses): Ditto.
3759         (init_pre): Initialize expression_vuses.
3760
3761 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3762
3763         * config/i386/sse.md (storentdf, storentsf): New.
3764
3765 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
3766
3767         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
3768         FUNCTION_DECL.
3769         * tree.c (build_decl_stat): Move code from here...
3770         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
3771         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
3772         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
3773         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
3774         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
3775         FUNCTION_BOUNDARY.
3776
3777 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
3778             Devang Patel  <dpatel@apple.com>
3779
3780         PR tree-optimization/25413
3781         * targhooks.c (default_builtin_vector_alignment_reachable): New.
3782         * targhooks.h (default_builtin_vector_alignment_reachable): New.
3783         * tree.h (contains_packed_reference): New.
3784         * expr.c (contains_packed_reference): New.
3785         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
3786         (vect_enhance_data_refs_alignment): Call
3787         vector_alignment_reachable_p.
3788         * target.h (vector_alignment_reachable): New builtin.
3789         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
3790         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
3791         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
3792
3793 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
3794
3795         * target.h (builtin_vectorization_cost): Add new target builtin.
3796         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
3797         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
3798         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
3799         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
3800         uninitialized variables.
3801         * tree-vect-transform.c (cost_for_stmt): New function.
3802         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
3803         using cost 1 for all scalar stmts. Be less conservative when
3804         estimating the number of prologue/epulogue iterations. Call
3805         targetm.vectorize.builtin_vectorization_cost. Return
3806         min_profitable_iters-1.
3807         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
3808         initialization cost instead of TARG_VEC_STMT_COST. Use
3809         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
3810         epilogue code. Fix epilogue cost computation.
3811         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
3812         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
3813         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
3814         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
3815         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
3816         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
3817
3818 2007-07-12  Richard Guenther  <rguenther@suse.de>
3819
3820         * gimplify.c (gimplify_conversion): Make sure that the result
3821         from maybe_fold_offset_to_reference is trivially convertible
3822         to the desired type before doing the simplification.
3823         (gimplify_expr): Likewise.
3824         * fold-const.c (fold_binary): Use the correct types for
3825         building the simplified expression.
3826
3827 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3828
3829         PR rtl-optimization/32729
3830         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
3831         that fallthru to exit.
3832
3833 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3834
3835         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
3836         (symDTPOFF2reg): Likewise.
3837
3838 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
3839
3840         PR tree-optimization/32663
3841         
3842         * tree.h (VALUE_HANDLE_VUSES): Remove.
3843         (struct tree_value_handle): Remove vuses.
3844
3845         * tree-vn.c (create_value_handle_for_expr): Don't set
3846         VALUE_HANDLE_VUSES. 
3847
3848         * tree-ssa-pre.c (expression_vuses): New.
3849         (alloc_expression_id): Set up expression_vuses.
3850         (get_expression_vuses): New.
3851         (set_expression_vuses): Ditto.
3852         (clear_expression_ids): Modify for expression_vuses.
3853         (phi_translate_1): Ditto.
3854         (phi_translate_set): Ditto.
3855         (value_dies_in_block_x): Ditto
3856         (valid_in_sets): Ditto.
3857         (add_to_sets): Ditto.
3858         (find_existing_value_expr): Ditto.
3859         (create_value_handle_for_expr): Ditto.
3860         (make_values_for_stmt): Ditto.
3861         (vuse_equiv): Remove.