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1 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
2
3         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h with
4         it.
5         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
6         included.
7         * gcc-plugin.h: Include config.h and system.h.
8         (IN_GCC): Define if not defined.
9
10 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
11
12         PR middle-end/40249
13         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
14         with -fno-inline.
15
16 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
17
18         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
19         applicable.
20         * config/m32r/m32r.h: Ditto.
21         * config/m32r/m32r.md: Ditto.
22         * config/m32r/predicates.md: Ditto.
23
24 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
25
26         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
27
28 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
29
30         * doc/plugins.texi
31         (Loading plugins): typo.
32         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
33         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
34         (Interacting with the GCC Garbage Collector): Added new section.
35         (Giving information about a plugin): Added new section for
36         PLUGIN_INFO.
37         * testsuite/gcc.dg/plugin/plugin.exp: Added ggcplug.c test plugin
38         with ggcplug-test-1.c for testing PLUGIN_GGC_MARKING etc...
39         * testsuite/gcc.dg/plugin/ggcplug-test-1.c: Added new file.
40         * testsuite/gcc.dg/plugin/ggcplug.c: Added new file.
41         * ggc.h (ggc_register_root_tab): Added declaration.
42         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
43         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
44         (register_callback): Improved comment in declaration.
45         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for
46         vectors.
47         (extra_root_vec) Added static variable for dynamic roots
48         registration.
49         (ggc_register_root_tab) Added new routine.
50         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
51         PLUGIN_GGC_MARKING event.
52         * ggc-zone.c: Include plugin.h.
53         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
54         * ggc-page.c: Include plugin.h.
55         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
56         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
57         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
58         (register_callback): check lack of callbacks for
59         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
60         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
61         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
62         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
63         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
64         dependency on plugin.h.
65         (plugin.o): Added dependency on ggc.h...
66
67 2009-05-26  Richard Guenther  <rguenther@suse.de>
68
69         PR middle-end/40248
70         Revert
71         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
72         with mismatched comparison modes.
73
74         * expr.c (expand_expr_real_1): Expand the operand of a
75         VIEW_CONVERT_EXPR in its natural mode.
76
77 2009-05-26  Ian Lance Taylor  <iant@google.com>
78
79         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
80         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
81         (ALL_COMPILERFLAGS): Define.
82         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
83         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
84         (collect2$(exeext), collect2.o): Likewise.
85         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
86         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
87         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
88         (libbackend.o, intl.o, cppdefault.o): Likewise.
89         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
90         (build/%.o): Use $(COMPILER_FOR_BUILD).
91         (build/gen%$(build_exeext)): Likewise.
92         (build/gcov-iov$(build_exeext)): LIkewise.
93         * config/t-darwin (darwin.o): Use $(COMPILER).
94         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
95         * config/t-sol2 (sol2-c.o): Likewise.
96         (sol2.o): Likewise.
97         * config/t-vxworks (vxworks.o): Likewise.
98         * config/x-darwin (host-darwin.o): Likewise.
99         * config/x-hpux (host-hpux.o): Likewise.
100         * config/x-linux (host-linux.o): Likewise.
101         * config/x-solaris (host-solaris.o): Likewise.
102         * config/alpha/x-alpha (driver-alpha.o): Likewise.
103         * config/arm/t-arm (arm-c.o): Likewise.
104         * config/arm/t-pe (pe.o): Likewise.
105         * config/arm/t-wince-pe (pe.o): Likewise.
106         * config/i386/t-cygming (winnt.o): Likewise.
107         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
108         * config/i386/t-cygwin (cygwin1.o): Likewise.
109         (cygwin2.o): Likewise.
110         * config/i386/t-i386 (i386-c.o): Likewise.
111         * config/i386/t-interix (winnt.o): Likewise.
112         * config/i386/t-netware (netware.o): Likewise.
113         * config/i386/t-nwld (nwld.o): Likewise.
114         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
115         * config/i386/x-i386 (driver-i386.o): Likewise.
116         * config/i386/x-cygwin (host-cygwin.o): Likewise.
117         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
118         * config/ia64/t-ia64 (ia64-c.o): Likewise.
119         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
120         * config/mips/x-native (driver-native.o): Likewise.
121         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
122         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
123         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
124         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
125         * config/score/t-score-elf (score7.o): Likewise.
126         (score3.o): Likewise.
127         * config/sh/t-sh (sh-c.o): Likewise.
128         * config/sh/t-symbian (sh-c.o): Likewise.
129         (symbian.o): Likewise.
130         * config/spu/t-spu-elf (spu-c.o): Likewise.
131         * config/v850/t-v850 (v850-c.o): Likewise.
132         * config/v850/t-v850e (v850-c.o): Likewise.
133
134 2009-05-26  Richard Guenther  <rguenther@suse.de>
135
136         PR tree-optimization/40122
137         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
138         VECTOR_CSTs if possible.
139         (fold_gimple_assign): Likewise.
140
141 2009-05-26  Richard Guenther  <rguenther@suse.de>
142
143         PR middle-end/40252
144         * fold-const.c (fold_binary): Use the correct types for building
145         rotates.
146
147 2009-05-26  Richard Guenther  <rguenther@suse.de>
148
149         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
150         redundant calls to merge_alias_info.
151         (bump_vector_ptr): Likewise.
152         * tree-ssa-copy.c (merge_alias_info): Remove.
153         (replace_exp_1): Remove call to merge_alias_info.
154         (propagate_tree_value): Likewise.
155         (fini_copy_prop): Propagate points-to info.
156         * tree-flow.h (merge_alias_info): Remove.
157
158 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
159
160         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
161
162 2009-05-25  Jan Hubicka  <jh@suse.cz>
163
164         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
165         * cgraph.h (struct inline_summary): New filed self_wize,
166         size_inlining_benefit, self_time and time_inlining_benefit.
167         (struct cgraph_global_info): Replace insns by time ans size fields.
168         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
169         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
170         (ipcp_update_callgraph): Do not touch function bodies.
171         * ipa-inline.c: Include except.h
172         (MAX_TIME): New constant.
173         (overall_insns): Remove.
174         (leaf_node_p): New.
175         (overall_size, max_benefit): New static variables.
176         (cgraph_estimate_time_after_inlining): New function.
177         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
178         (cgraph_clone_inlined_nodes): Update size.
179         (cgraph_mark_inline_edge): Update size.
180         (cgraph_estimate_growth): Use size info.
181         (cgraph_check_inline_limits): Check size.
182         (cgraph_default_inline_p): Likewise.
183         (cgraph_edge_badness): Compute badness based on benefit and size cost.
184         (cgraph_decide_recursive_inlining): Check size.
185         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
186         times.
187         (cgraph_decide_inlining): Likewise.
188         (cgraph_decide_inlining_incrementally): Likewise; honor
189         PARAM_EARLY_INLINING_INSNS.
190         (likely_eliminated_by_inlining_p): New predicate.
191         (estimate_function_body_sizes): New function.
192         (compute_inline_parameters): Use it.
193         * except.c (must_not_throw_labels): New function.
194         * except.h (must_not_throw_labels): Declare.
195         * tree-inline.c (init_inline_once): Kill inlining_weigths
196         * tree-ssa-structalias.c: Avoid uninitialized warning.
197         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
198         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
199         (PARAM_INLINE_CALL_COST): Remove.
200         (PARAM_EARLY_INLINING_INSNS): New.
201
202 2009-05-25  Richard Guenther  <rguenther@suse.de>
203
204         PR tree-optimization/36327
205         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
206         callback for reference translation or lookup at the point
207         of may-defs.
208         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
209         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
210         for union COMPONENT_REFs.
211         (vn_reference_lookup_3): New callback.  Lookup from memset
212         and CONSTRUCTOR assignment, translate through struct copies.
213         (vn_reference_lookup_pieces): Make sure to not free the
214         passed operands array.  Adjust walk_non_aliased_vuses call.
215         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
216         make sure we do not leak memory.
217
218 2009-05-25  Richard Guenther  <rguenther@suse.de>
219
220         * tree-ssa-alias.h (dump_points_to_solution): Declare.
221         * tree-inline.c (expand_call_inline): Reset the escaped and
222         callused solutions.
223         * tree-ssa-structalias.c (pass_build_ealias): New.
224         * tree-pass.h (pass_build_ealias): Declare.
225         * passes.c (init_optimization_passes): Add PTA during 
226         early optimizations.
227         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
228         and CALLUSED solutions.
229         (dump_points_to_solution): New function, split out from ...
230         (dump_points_to_info_for): ... here.
231         * tree-parloops.c (parallelize_loops): Reset the escaped and
232         callused solutions.
233
234 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
235
236         PR bootstrap/40027
237         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
238         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
239
240 2009-05-25  Ira Rosen  <irar@il.ibm.com>
241
242         PR tree-optimization/40238
243         * tree-vect-stmts.c (vect_init_vector): Insert initialization
244         statements after basic block's labels.
245         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
246         to free the allocated memory.
247
248 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
249
250         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
251         return address with a USE.
252
253 2009-05-24  Richard Guenther  <rguenther@suse.de>
254
255         PR middle-end/40233
256         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
257         array type from the main variant of the inner type.
258
259 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
260
261         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
262         definition to bool (from int) to un-break build.
263         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
264
265 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
266
267         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
268         discard_stmt_changes): Delete.
269         * tree-ssa-operands.c (scb_stack): Delete.
270         (init_ssa_operands): Do not initialize it.
271         (fini_ssa_operands): Do not free it.
272         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
273
274         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
275         update_stmt, remove the others.  Fix comments.
276         * tree-dfa.c (optimize_stack_restore): Likewise.
277         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
278         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
279         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
280         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
281         Likewise.
282         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
283         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
284         (dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
285         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
286         (stmts_to_rescan): Change item type to gimple.
287         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
288
289 2009-05-24  Ira Rosen  <irar@il.ibm.com>
290
291         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
292         * tree-pass.h (pass_slp_vectorize): New pass.
293         * params.h (SLP_MAX_INSNS_IN_BB): Define.
294         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
295         * tree-vectorizer.c (timevar.h): Include.
296         (user_vect_verbosity_level): Declare.
297         (vect_location): Fix comment.
298         (vect_set_verbosity_level): Update user_vect_verbosity_level
299         instead of vect_verbosity_level.
300         (vect_set_dump_settings): Add an argument. Ignore user defined
301         verbosity if dump flags require higher level of verbosity. Print to
302         stderr only for loop vectorization.
303         (vectorize_loops): Update call to vect_set_dump_settings.
304         (execute_vect_slp): New function.
305         (gate_vect_slp): Likewise.
306         (struct gimple_opt_pass pass_slp_vectorize): New.
307         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
308         access its members.
309         (vec_info_for_bb): New function.
310         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
311         (VECTORIZATION_ENABLED): New macro.
312         (SLP_ENABLED, SLP_DISABLED): Likewise.
313         (vect_is_simple_use): Add bb_vec_info argument.
314         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
315         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
316         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
317         vect_schedule_slp, vect_analyze_slp): Likewise.
318         (vect_analyze_stmt): Add slp_tree argument.
319         (find_bb_location): Declare.
320         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
321         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
322         (vect_analyze_loop_operations, vect_analyze_loop,
323         get_initial_def_for_induction, vect_create_epilog_for_reduction,
324         vect_finalize_reduction, vectorizable_reduction,
325         vectorizable_live_operation, vect_transform_loop): Likewise.
326         * tree-data-ref.c (dr_analyze_innermost): Update comment,
327         skip evolution analysis if analyzing a basic block.
328         (dr_analyze_indices): Likewise.
329         (initialize_data_dependence_relation): Skip the test whether the
330         object is invariant for basic blocks.
331         (compute_all_dependences): Skip dependence analysis for data
332         references in basic blocks.
333         (find_data_references_in_stmt): Don't fail in case of invariant
334         access in basic block.
335         (find_data_references_in_bb): New function.
336         (find_data_references_in_loop): Move code to
337         find_data_references_in_bb and add a call to it.
338         (compute_data_dependences_for_bb): New function.
339         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
340         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
341         that STEP is 0.
342         (vect_analyze_data_ref_dependence): Check for interleaving in case of
343         unknown dependence in basic block and fail in case of dependence in
344         basic block.
345         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
346         dependence instances from either loop or basic block vectorization
347         info.
348         (vect_compute_data_ref_alignment): Check if it is loop vectorization
349         before calling nested_in_vect_loop_p.
350         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
351         dependence instances from either loop or basic block vectorization
352         info.
353         (vect_verify_datarefs_alignment): Likewise.
354         (vect_enhance_data_refs_alignment): Adjust function calls.
355         (vect_analyze_data_refs_alignment): Likewise.
356         (vect_analyze_group_access): Fix printing. Skip different checks if
357         DR_STEP is 0. Keep strided stores either in loop or basic block
358         vectorization data structure. Fix indentation.
359         (vect_analyze_data_ref_access): Fix comments, allow zero step in
360         basic blocks.
361         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
362         dependence instances from either loop or basic block vectorization
363         info.
364         (vect_analyze_data_refs): Update comment. Call
365         compute_data_dependences_for_bb to analyze basic blocks.
366         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
367         case of loop vectorization. In case of basic block vectorization use
368         data-ref itself as a base.
369         (vect_create_data_ref_ptr): In case of basic block vectorization:
370         don't advance the pointer, add new statements before the current
371         statement.  Adjust function calls.
372         (vect_supportable_dr_alignment): Support only aligned accesses in
373         basic block vectorization.
374         * common.opt (ftree-slp-vectorize): New flag.
375         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
376         (vect_pattern_recog_1): Likewise.
377         * tree-vect-stmts.c (process_use): Likewise.
378         (vect_init_vector): Add new statements in the beginning of the basic
379         block in case of basic block SLP.
380         (vect_get_vec_def_for_operand): Adjust function calls.
381         (vect_finish_stmt_generation): Likewise.
382         (vectorizable_call): Add assert that it is loop vectorization, adjust
383         function calls.
384         (vectorizable_conversion, vectorizable_assignment): Likewise.
385         (vectorizable_operation): In case of basic block SLP, take
386         vectorization factor from statement's type and skip the relevance
387         check. Adjust function calls.
388         (vectorizable_type_demotion): Add assert that it is loop
389         vectorization, adjust function calls.
390         (vectorizable_type_promotion): Likewise.
391         (vectorizable_store): Check for outer loop only in case of loop
392         vectorization. Adjust function calls. For basic blocks, skip the
393         relevance check and don't advance pointers.
394         (vectorizable_load): Likewise.
395         (vectorizable_condition): Add assert that it is loop vectorization,
396         adjust function calls.
397         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
398         that it is not reduction, get vector type, call only supported
399         functions, skip loop specific parts.
400         (vect_transform_stmt): Check for outer loop only in case of loop
401         vectorization.
402         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
403         (vect_is_simple_use): Fix comment, add new argument, fix conditions
404         for external definition.
405         * passes.c (pass_slp_vectorize): New pass.
406         * tree-vect-slp.c (find_bb_location): New function.
407         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
408         check for patterns only in loops.
409         (vect_build_slp_tree): Add argument, adjust function calls, fail in
410         case of multiple types in basic block SLP.
411         (vect_mark_slp_stmts_relevant): New function.
412         (vect_supported_load_permutation_p): Fix comment.
413         (vect_analyze_slp_instance): Add argument. In case of basic block
414         SLP, take vectorization factor from statement's type, check that
415         unrolling factor is 1. Adjust function call. Save SLP instance in
416         either loop or basic block vectorization structure. Return FALSE,
417         if SLP failed.
418         (vect_analyze_slp): Add argument. Get strided stores groups from
419         either loop or basic block vectorization structure. Return FALSE
420         if basic block SLP failed.
421         (new_bb_vec_info): New function.
422         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
423         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
424         (vect_schedule_slp): Add argument. Get SLP instances from either
425         loop or basic block vectorization structure. Set vectorization factor
426         to be 1 for basic block SLP.
427         (vect_slp_transform_bb): New function.
428         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
429
430 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
431
432         * final.c (shorten_branches): Do not align labels for jump tables.
433         (final_scan_insn): Use JUMP_TABLE_DATA_P.
434
435 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
436
437         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
438         Remove outdated reference to flow.c and fix nits.
439         * doc/gccint.texi: Tweak RTL description.
440         * doc/rtl.texi: Likewise.
441
442 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
443
444         * config/avr/avr.c: Change my email address.
445         * config/avr/avr.h: Likewise.
446         * config/avr/avr.md: Likewise.
447         * config/avr/avr-protos.h: Likewise.
448         * config/avr/libgcc.S: Likewise.
449
450 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
451
452         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
453         (spu_split_load, spu_split_store): Change return type to int.
454         (spu_split_convert): Declare.
455         * config/spu/predicates.md (spu_mem_operand): Remove.
456         (spu_mov_operand): Update.
457         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
458         * config/spu/spu.c (regno_aligned_for_load): Remove.
459         (reg_aligned_for_addr, spu_expand_load): Define.
460         (spu_expand_extv): Reimplement and handle MEM.
461         (spu_expand_insv): Handle MEM.
462         (spu_sched_reorder): Handle insn's with length 0.
463         (spu_legitimate_address_p): Reimplement.
464         (store_with_one_insn_p): Return TRUE for any mode with size
465         larger than 16 bytes.
466         (address_needs_split): Define.
467         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
468         operands.
469         (spu_convert_move): Define.
470         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
471         (spu_split_store): Change all MEM's to TImode.
472         (spu_init_expanders): Preallocate registers that correspond to
473         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
474         mark_reg_pointer.
475         (spu_split_convert): Define.
476         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
477         (_move<mode>, _movdi, _movti): Update predicate and condition.
478         (load, store): Change to define_split.
479         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
480         extend<mode>ti2.
481         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
482         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
483         define_insn_and_split of lshr<mode>3.
484         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
485         (<v>ashr<mode>3_imm): Define.
486         (extv, extzv, insv): Allow MEM operands.
487         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
488         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
489         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
490         (_spu_convert2): Change to define_insn_and_split and remove the
491         corresponding define_peephole2.
492         (stack_protect_set, stack_protect_test, stack_protect_test_si):
493         Change predicates to memory_operand.
494
495 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
496
497         * config/arm/thumb2.md: Add 16-bit multiply instructions.
498
499 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
500
501         PR tree-optimization/40219
502         * tree.c (iterative_hash_expr): Make sure the builtin function is
503         a normal builtin function and not a front end or back end builtin
504         before indexing into the built_in_decls array.
505
506 2009-05-22  Richard Guenther  <rguenther@suse.de>
507
508         PR middle-end/38964
509         * alias.c (write_dependence_p): Do not use TBAA for answering
510         anti-dependence or output-dependence.
511         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
512         (emit_pointer_definition): Remove.
513         (emit_alias_warning): Likewise.
514         (find_what_var_points_to): Remove TBAA pruning code.
515         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
516         violations.
517         (compute_points_to_sets): Remove code computing the set of
518         dereferenced pointers.
519         * tree-data-ref.c (dr_may_alias_p): Properly use the split
520         oracle for querying anti and output dependencies.
521         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
522         if TBAA may be applied.
523         (refs_anti_dependent_p): New function.
524         (refs_output_dependent_p): Likewise.
525         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
526         (refs_output_dependent_p): Likewise.
527         * doc/tree-ssa.texi (Memory model): New section.
528         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
529         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
530         * cfgexpand.c (expand_gimple_basic_block): Do not handle
531         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
532         * expr.c (expand_expr_real_1): Likewise.
533         * gimple-low.c (lower_stmt): Likewise.
534         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
535         (dump_gimple_cdt): Remove.
536         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
537         (gimple_size): Likewise.
538         (walk_gimple_op): Likewise.
539         (is_gimple_stmt): Likewise.
540         (walk_stmt_load_store_addr_ops): Likewise.
541         (gimple_build_cdt): Remove.
542         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
543         * gimple.h (gimple_cdt_new_type): Remove.
544         (gimple_cdt_new_type_ptr): Likewise.
545         (gimple_cdt_set_new_type): Likewise.
546         (gimple_cdt_location): Likewise.
547         (gimple_cdt_location_ptr): Likewise.
548         (gimple_cdt_set_location): Likewise.
549         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
550         * tree-cfg.c (remove_useless_stmts_1): Do not handle
551         GIMPLE_CHANGE_DYNAMIC_TYPE.
552         (verify_types_in_gimple_stmt): Likewise.
553         * tree-inline.c (estimate_num_insns): Likewise.
554         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
555         (copy_decl_to_var): Likewise.
556         (copy_result_decl_to_var): Likewise.
557         * tree-pretty-print.c (dump_generic_node): Do not handle
558         CHANGE_DYNAMIC_TYPE_EXPR.
559         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
560         * tree-ssa-operands.c (get_expr_operands): Likewise.
561         * tree-ssa-structalias.c (struct variable_info): Remove
562         no_tbaa_pruning member.
563         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
564         (unify_nodes): Do not copy it.
565         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
566         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
567         (set_uids_in_ptset): Do not check it.
568         (find_what_var_points_to): Likewise.
569         (compute_tbaa_pruning): Remove.
570         (compute_points_to_sets): Do not call it.
571         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
572         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
573         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
574         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
575         (DECL_NO_TBAA_P): Likewise.
576         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
577         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
578         (expand_omp_atomic_pipeline): Do not set it.
579         * print-tree.c (print_node): Do not dump it.
580         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
581         redundant check.
582
583 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
584
585         PR target/39856
586         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
587         for clobber.
588
589 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
590
591         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
592         non-external.
593
594 2009-05-22  Ben Elliston  <bje@au.ibm.com>
595
596         * Makefile.in (bversion.h, s-bversion): New targets.
597         (TOPLEV_H): Add bversion.h.
598         * toplev.h: Include "bversion.h".
599         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
600         the __format__ attribute only if compiling with the same version
601         of GCC as the sources (the "build version").
602
603 2009-05-22  Ben Elliston  <bje@au.ibm.com>
604
605         * c-format.c (handle_format_attribute): Fix comment typo.
606
607 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
608
609         PR target/37846
610         * config/ia64/ia64.opt (mfused-madd): New.
611         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
612         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
613         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
614         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
615         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
616         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
617         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
618         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
619         instruction if !TARGET_FUSED_MADD.
620         (fpma, fpms): Remove colon from name.
621
622 2009-05-22  Richard Guenther  <rguenther@suse.de>
623
624         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
625         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
626         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
627         TARGET_MEM_REF.
628         (create_expression_by_pieces): Only convert if necessary.
629         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
630         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
631
632 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
633
634         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
635         regular pattern from a template and rename it ...
636         (*extzv_truncsi_exts): ... to this.
637
638 2009-05-21  Richard Guenther  <rguenther@suse.de>
639
640         * cgraph.h (struct cgraph_node): Remove inline_decl member.
641         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
642         (cgraph_default_inline_p): Likewise.
643         (cgraph_decide_inlining_incrementally): Likewise.
644
645 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
646             Uros Bizjak  <ubizjak@gmail.com>
647
648         * config/i386/cpuid.h (bit_MOVBE): New.
649
650         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
651
652         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
653         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
654         (ix86_handle_option): Handle OPT_mmovbe.
655         (ix86_target_string): Add -mmovbe.
656         (pta_flags): Add PTA_MOVBE.
657         (processor_alias_table): Add PTA_MOVBE to "atom".
658         (override_options): Handle PTA_MOVBE.
659
660         * config/i386/i386.h (TARGET_MOVBE): New.
661
662         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
663         (*bswapsi_movbe): New.
664         (*bswapdi_movbe): Likewise.
665         (bswapdi2): Renamed to ...
666         (*bswapdi_1): This.
667         (bswapdi2): New expander.
668
669         * config/i386/i386.opt (mmovbe): New.
670
671         * doc/invoke.texi: Document -mmovbe.
672
673 2009-05-21  Taras Glek  <tglek@mozilla.com>
674
675         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
676         * gcc-plugin.h (plugin_init): Updated signature.
677         * gcc-plugin.h (plugin_name_args): Moved to this header.
678         * doc/plugins.texi (plugin_init): Updated documention to reflect
679         API change.
680         * doc/plugins.texi (plugin_name_args): Added to documention.
681
682 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
683
684         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
685         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
686
687 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
688
689         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
690         JUMP_TABLE_DATA_P predicates where applicable.
691         * config/i386/predicates.md: Ditto.
692         * config/i386/sse.md: Ditto.
693
694 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
695
696         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
697         operand2 -128 override length_immediate attribute to 1.
698         * config/i386/predicates.md (constm128_operand): New predicate.
699
700         * config/i386/i386.c (memory_address_length): Handle %r12
701         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
702         also check REGNO.
703         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
704         mode look through optional ZERO_EXTEND and SUBREG.
705         * config/i386/i386.md (R12_REG): New define_constant.
706         (prefix_data16): For sse unit set also for MODE_TI insns.
707         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
708         insns set if operand 1 is ext_QIreg_operand.
709         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
710         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
711         immediate.
712         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
713         mode from MODE_DI to MODE_SI.
714         (movdi_1_rex64): Override modrm and length_immediate attributes
715         only for movabs (TYPE_IMOV, alternative 2).
716         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
717         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
718         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
719         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
720         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
721         prefix_rex attribute if DImode.
722         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
723         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
724         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
725         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
726         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
727         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
728         Likewise.  For TYPE_IMOV clear length_immediate attribute.
729         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
730         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
731         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
732         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
733         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
734         or one operand TYPE_ISHIFT.
735         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
736         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
737         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
738         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
739         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
740         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
741         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
742         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
743         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
744         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
745         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
746         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
747         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
748         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
749         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
750         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
751         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
752         set mode attribute, don't override length attribute.
753         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
754         to 1.
755         (return_internal_long): Set length attribute to 2 instead of 1.
756         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
757         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
758         prefix_rex attribute.
759         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
760         New predicates.
761         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
762
763 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
764
765         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
766
767 2009-05-20  Ian Lance Taylor  <iant@google.com>
768
769         * tree.c (build_tree_list_vec_stat): New function.
770         (ctor_to_vec): New function.
771         (build_nt_call_vec): New function.
772         (build_call_array): Change args to be a const pointer.
773         (build_call_vec): New function.
774         * tree.h (build_nt_call_vec): Declare.
775         (build_tree_list_vec_stat): Declare.
776         (build_tree_list_vec): Define.
777         (build_call_array): Update declaration.
778         (build_call_vec): Declare.
779         (ctor_to_vec): Declare.
780         * c-common.c (tree_vector_cache): New static variable.
781         (make_tree_vector): New function.
782         (release_tree_vector): New function.
783         (make_tree_vector_single): New function.
784         (make_tree_vector_copy): New function.
785         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
786         (make_tree_vector_single, make_tree_vector_copy): Declare.
787         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
788         (c_parser_expr_list): Don't manage cache here, instead call
789         make_tree_vector.
790         (c_parser_release_expr_list): Remove static function.
791         (c_parser_vec_to_tree_list): Remove static function.
792         (c_parser_attributes): Call build_tree_list_vec instead of
793         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
794         c_parser_release_expr_list.
795         (c_parser_postfix_expression_after_primary): Likewise.
796         (c_parser_objc_keywordexpr): Likewise.
797
798 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
799
800         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
801         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
802         TARGET_CONVERT_TO_TYPE.
803         * hooks.c (hook_tree_const_tree_null): Define.
804         * hooks.h (hook_tree_const_tree_null): Declare.
805         * target.h (struct gcc_target):  Add invalid_parameter_type,
806         invalid_return_type, promoted_type, and convert_to_type fields.
807         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
808         (TARGET_INVALID_RETURN_TYPE): Define.
809         (TARGET_PROMOTED_TYPE): Define.
810         (TARGET_CONVERT_TO_TYPE): Define.
811         (TARGET_INITIALIZER): Update for new fields.
812         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
813         (grokparms): Check targetm.invalid_parameter_type.
814         * c-typeck.c (default_conversion): Check targetm.promoted_type.
815         * c-convert.c (convert): Check targetm.convert_to_type.
816
817 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
818
819         * config/mips/mips.md (*extenddi_truncate<mode>,
820         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
821         defintions.
822         (*extendhi_truncateqi): New define_insn_and_sptit.
823
824 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
825
826         PR middle-end/40204
827         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
828         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
829
830 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
831
832         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
833         the operand of VIEW_CONVERT_EXPR.
834
835 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
836
837         * config/i386/driver-i386.c (host_detect_local_cpu): Check
838         extended family and model for Intel processors.  Support Intel
839         Atom.
840
841 2009-05-20  Olivier Hainque  <hainque@adacore.com>
842
843         * gstab.h (stab_code_type): Define, to be used instead of the
844         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
845         notice.
846         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
847         occurrences by stab_code_type.
848         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
849
850 2009-05-20  Martin Jambor  <mjambor@suse.cz>
851
852         * tree-flow.h (insert_edge_copies_seq): Undeclare.
853         (sra_insert_before): Likewise.
854         (sra_insert_after): Likewise.
855         (sra_init_cache): Likewise.
856         (sra_type_can_be_decomposed_p): Likewise.
857         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
858         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
859         (sra_insert_before): Likewise.
860         (sra_insert_after): Likewise.
861         (sra_init_cache): Likewise.
862         (insert_edge_copies_seq): Made static and moved upwards.
863
864         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
865         case.
866
867         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
868
869         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
870         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
871         simple copies.
872
873 2009-05-20  Richard Guenther  <rguenther@suse.de>
874
875         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
876         with mismatched comparison modes.
877
878 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
879
880         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
881         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
882         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
883         with shifts for Thumb2.
884         (orsi_notsi): New for orn.
885         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
886         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
887         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
888         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
889         Don't invert remainder for IOR.
890         
891 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
892
893         PR tree-optimization/40087
894         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
895         number_of_iterations_ne): Rename never_infinite argument.
896         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
897         number_of_iterations_le): Handle pointer-type ivs when
898         exit_must_be_taken is false.
899         (number_of_iterations_cond):  Do not always assume that
900         exit_must_be_taken if the control variable is a pointer.
901
902 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
903
904         * c-typeck.c (build_binary_op): Allow % on integal vectors.
905         * doc/extend.texi (Vector Extension): Document that % is allowed too.
906
907 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
908
909         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
910         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
911
912 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
913
914         PR c/40172
915         * c.opt (Wlogical-op): Disabled by default.
916         * c-opt (c_common_post_options): Do not enable Wlogical-op with
917         Wextra.
918         * doc/invoke.texi (Wlogical-op): Likewise.
919         
920 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
921
922         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
923         into CASE_CONVERT.
924         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
925         Propagate the type of the first operand.
926         <ASSERT_EXPR>: Simplify.
927         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
928         Rewrite using the RHS code as discriminant.
929         <NOP_EXPR>: Turn into CASE_CONVERT.
930         <PLUS_EXPR>: Propagate the type of the first operand.
931
932 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
933
934         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
935         (ia64_dconst_0_375): New.
936         * config/ia64/ia64.c (ia64_override_options): Remove
937         -minline-sqrt-min-latency warning.
938         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
939         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
940         * config/ia64/ia64.md (*sqrt_approx): Remove.
941         (sqrtsf2): Remove #if 0.
942         (sqrtsf2_internal_thr): Rewrite and move to div.md.
943         (sqrtdf): Remove assert.
944         (sqrtdf2_internal_thr): Rewrite and move to div.md.
945         (sqrtxf2): Remove #if 0.
946         (sqrtxf2_internal_thr): Rewrite and move to div.md.
947         * div.md (sqrt_approx_rf): New.
948         (sqrtsf2_internal_thr): New implementation.
949         (sqrtsf2_internal_lat): New.
950         (sqrtdf2_internal_thr: New implementation.
951         (sqrtxf2_internal): New implementation.
952
953 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
954             Hans-Peter Nilsson  <hp@axis.com>
955
956         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
957         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
958         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
959         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
960         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
961         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
962         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
963         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
964         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
965         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
966         * c-common.c: ...from here.
967
968 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
969
970         * c-common.c (warn_logical_operator): Remove unnecessary
971         conditionals.
972
973 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
974
975         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
976
977 2009-05-19  Ben Elliston  <bje@au.ibm.com>
978
979         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
980         assignments with memcpy calls.
981         (add_fdes): Likewise.
982         (binary_search_unencoded_fdes): Likewise.
983         (linear_search_fdes): Eliminate type puns.
984         
985 2009-05-19  Richard Guenther  <rguenther@suse.de>
986
987         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
988         not falsely claim to have propagated into all uses.
989
990 2009-05-19  Ben Elliston  <bje@au.ibm.com>
991
992         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
993         version to v3.0.
994
995 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
996
997         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
998         * config/sh/sh.c (sh_legitimate_address_p): Make static.
999         (TARGET_LEGITIMATE_ADDRESS_P): New.
1000         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1001         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1002         
1003 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
1004
1005         PR debug/40109
1006         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
1007         child of the containing namespace's DIE.
1008
1009 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
1010
1011         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
1012         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
1013         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
1014         extend patterns.
1015
1016 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1017
1018         PR target/39942
1019         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
1020         gen_align with gen_pad.
1021         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
1022         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
1023
1024         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
1025         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
1026
1027         * config/i386/i386.md (align): Renamed to ...
1028         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
1029         ASM_OUTPUT_MAX_SKIP_PAD.
1030
1031 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
1032
1033         * config.gcc: Fix variable syntax.
1034
1035         PR target/39531
1036         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
1037         before calling exact_log2.
1038         (output_iorsi3): Likewise.
1039         (output_xorsi3): Likewise.
1040
1041 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1042
1043         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
1044         for the none zero constant operand except for EQ and NE
1045         comprisons even when the first operand is R0.
1046
1047 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1048
1049         * config/s390/2064.md: Remove trailing whitespaces.
1050         * config/s390/2084.md: Likewise.
1051         * config/s390/constraints.md: Likewise.
1052         * config/s390/fixdfdi.h: Likewise.
1053         * config/s390/libgcc-glibc.ver: Likewise.
1054         * config/s390/s390-modes.def: Likewise.
1055         * config/s390/s390-protos.h: Likewise.
1056         * config/s390/s390.c: Likewise.
1057         * config/s390/s390.h: Likewise.
1058         * config/s390/s390.md: Likewise.
1059         * config/s390/tpf-unwind.h: Likewise.
1060
1061 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1062
1063         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
1064
1065 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1066
1067         M68K TLS support.
1068         * configure.ac (m68k-*-*): Check if binutils support TLS.
1069         * configure: Regenerate.
1070         * config/m68k/predicates.md (symbolic_operand): Extend comment.
1071         * config/m68k/constraints.md (Cu): New constraint.
1072         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
1073         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
1074         (movsi): Handle TLS symbols.
1075         (addsi3_5200): Handle XTLS symbols, indent.
1076         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
1077         (m68k_tls_reference_p): Declare.
1078         (m68k_legitimize_address): Declare.
1079         (m68k_unwrap_symbol): Declare.
1080         * config/m68k/m68k.opt (mxtls): New option.
1081         * config/m68k/m68k.c (ggc.h): Include.
1082         (m68k_output_dwarf_dtprel): Implement hook.
1083         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
1084         (m68k_expand_prologue): Load GOT pointer when function needs it.
1085         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
1086         (m68k_legitimate_constant_address_p): Same.
1087         (m68k_decompose_address): Handle TLS references.
1088         (m68k_get_gp): New static function.
1089         (enum m68k_reloc): New contants.
1090         (TLS_RELOC_P): New macro.
1091         (m68k_wrap_symbol): New static function.
1092         (m68k_unwrap_symbol): New function.
1093         (m68k_final_prescan_insn_1): New static function.
1094         (m68k_final_prescan_insn): New function.
1095         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
1096         functions.
1097         (legitimize_pic_address): Handle TLS references..
1098         (m68k_tls_get_addr, m68k_get_tls_get_addr)
1099         (m68k_libcall_value_in_a0_p)
1100         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
1101         (m68k_call_m68k_read_tp): Helper variables and functions for ...
1102         (m68k_legitimize_tls_address): Handle TLS references.
1103         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
1104         New functions.
1105         (m68k_legitimize_address): Handle TLS symbols.
1106         (m68k_get_reloc_decoration): New static function.
1107         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
1108         UNSPEC_RELOC32.
1109         (m68k_output_dwarf_dtprel): Implement hook.
1110         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
1111         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
1112         m68k_call_* routines.
1113         (sched_attr_op_type): Handle TLS symbols.
1114         (gt-m68k.h): Include.
1115         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
1116         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
1117
1118 2009-05-18  Martin Jambor  <mjambor@suse.cz>
1119
1120         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
1121         (visit_store_addr_for_mod_analysis): New function.
1122         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
1123         (determine_cst_member_ptr): Use gimple_assign_single_p.
1124         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
1125         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
1126         operands.  Don't check number of operands of a NOP_EXPR.
1127
1128 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
1129
1130         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
1131
1132 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1133
1134         PR c/40172
1135         * c-common.c (warn_logical_operator): Don't warn if one of
1136         expression isn't always true or false.
1137
1138 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
1139
1140         * config/i386/biarch32.h: New file.
1141         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
1142
1143 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
1144
1145         * config/mips/mips.md (*zero_extend<mode>_trunchi,
1146         *zero_extend<mode>_truncqi): Merge these into ...
1147         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
1148         Name the pattern following this as *zero_extendhi_truncqi.
1149
1150 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
1151
1152         PR middle-end/39301
1153         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
1154         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
1155         (output_info): Make field HOST_WIDEST_INT.
1156         (print_statistics): Use HOST_WIDEST_INT_PRINT.
1157         (dump_bitmat_statistics): Same.
1158
1159 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
1160
1161         * config.gcc (use_gcc_stdint):  Set to wrap.
1162         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1163         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1164         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1165         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1166         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1167         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1168         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1169         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1170
1171 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
1172
1173         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
1174         tune_64.
1175         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
1176         Move definitions earlier.
1177         (OPT_ARCH64, OPT_ARCH32): Define.
1178         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
1179         and tune_64.
1180
1181 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1182
1183         PR target/40153
1184         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
1185         implies.
1186
1187 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1188
1189         * arm.md (movdi2): Copy non-reg values to DImode registers.
1190
1191 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
1192
1193         PR target/39942
1194         * final.c (label_to_max_skip): New function.
1195         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
1196         CODE_LABEL_NUMBER <= max_labelno.
1197         * output.h (label_to_max_skip): New prototype.
1198         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
1199         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
1200         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
1201         Handle CODE_LABELs with >= 16 byte alignment or with
1202         max_skip == (1 << align) - 1.
1203         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
1204         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
1205
1206         PR target/39942
1207         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
1208         .p2align 3 if MAX_SKIP is smaller than 7.
1209         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1210
1211 2009-05-15  Ian Lance Taylor  <iant@google.com>
1212
1213         * alias.c (struct alias_set_entry_d): Rename from struct
1214         alias_set_entry.  Change all uses.
1215         * except.c (struct call_site_record_d): Rename from struct
1216         call_site_record.  Change all uses.
1217         * except.h (struct eh_region_d): Rename from struct eh_region.
1218         Change all uses.
1219         * gcse.c (struct hash_table_d): Rename from struct hash_table.
1220         Change all uses.
1221         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
1222         ivtype_map_elt.  Change all uses.
1223         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
1224         Change all uses.
1225         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
1226         * graphite.h (struct name_tree_d): Rename from struct name_tree.
1227         Change all uses.
1228         (struct sese_d): Rename from struct sese.  Change all uses.
1229         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
1230         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
1231         * optabs.h (struct optab_d): Rename from struct optab.  Change all
1232         uses.
1233         (struct convert_optab_d): Rename from struct convert_optab.
1234         Change all uses.
1235         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
1236         ipa_opt_pass.  Change all uses.
1237         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
1238         all uses.
1239
1240         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
1241         defined as a typedef.
1242         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
1243         defined as a tag.
1244
1245 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1246
1247         PR 16302
1248         * fold-const.c (make_range,build_range_check,merge_ranges): Move
1249         declaration to...
1250         (merge_ranges): Returns bool. 
1251         * tree.h (make_range): .. to here.
1252         (build_range_check): Likewise.
1253         (merge_ranges): Likewise. Renamed from merge_ranges.
1254         * c-typeck.c (parser_build_binary_op): Update calls to
1255         warn_logical_operator.
1256         * c-common.c (warn_logical_operator): Add new warning.
1257         * c-common.h (warn_logical_operator): Update declaration.
1258         
1259 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1260
1261         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
1262         
1263 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1264
1265         * doc/install.texi: Document MPC requirements, flags etc.
1266
1267         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
1268         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
1269         Evaluate constant arguments.
1270         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
1271         (fold_builtin_1): Likewise, also evaluate constant arguments.
1272         Remove superfluous break.
1273         (do_mpc_ckconv): New.
1274         * real.h: Include mpc.h.
1275         * toplev.c (print_version): Output MPC version info if available.
1276
1277 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1278
1279         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
1280
1281 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1282
1283         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
1284         only once.
1285
1286 2009-05-15  Jan Hubicka  <jh@suse.cz>
1287
1288         * doc/invoke.texi (max-early-inliner-iterations): New flag.
1289         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
1290         (try_inline): Fix return value.
1291         (cgraph_decide_inlining_incrementally): Honor new value.
1292         (cgraph_early_inlining): Handle indirect inlining.
1293         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
1294
1295 2009-05-15  Jan Hubicka  <jh@suse.cz>
1296
1297         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
1298         * cgraphunit.c (cgraph_finalize_function): Set it.
1299         (cgraph_expand_function): Use it.
1300
1301 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1302
1303         * real.c (encode_ieee_half): Define.
1304         (decode_ieee_half): Define.
1305         (ieee_half_format): Define.
1306         (arm_half_format): Define.
1307         * real.h (ieee_half_format): Declare.
1308         (arm_half_format): Declare.
1309
1310 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1311
1312         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
1313         swapped, and reversed optabs exist before trying to use them.
1314
1315 2009-05-15  Paul Brook  <paul@codesourcery.com>
1316             Sandra Loosemore  <sandra@codesourcery.com>
1317
1318         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
1319         loads.  Allow PRE_DEC.
1320         (output_move_neon): Handle PRE_DEC.
1321         (arm_print_operand): Add 'A' for neon structure loads.
1322         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
1323         * config/arm/neon.md (neon_mov): Update comment.
1324         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
1325         calls.
1326         (Um): New constraint.
1327
1328 2009-05-15  Jan Hubicka  <jh@suse.cz>
1329
1330         Revert the following patch until testsuite fallout is fixed:
1331         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1332         * cgraph.h (struct inline_summary): New filed self_wize,
1333         size_inlining_benefit, self_time and time_inlining_benefit.
1334         (struct cgraph_global_info): Replace insns by time ans size fields.
1335         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1336         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1337         (ipcp_update_callgraph): Do not touch function bodies.
1338         * ipa-inline.c: Include except.h
1339         (MAX_TIME): New constant.
1340         (overall_insns): Remove
1341         (overall_size, max_benefit): New static variables.
1342         (cgraph_estimate_time_after_inlining): New function.
1343         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1344         (cgraph_clone_inlined_nodes): Update size.
1345         (cgraph_mark_inline_edge): Update size.
1346         (cgraph_estimate_growth): Use size info.
1347         (cgraph_check_inline_limits): Check size.
1348         (cgraph_default_inline_p): Likewise.
1349         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1350         (cgraph_decide_recursive_inlining): Check size.
1351         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1352         times.
1353         (cgraph_decide_inlining): Likewise.
1354         (cgraph_decide_inlining_incrementally): Likewise; honor
1355         PARAM_EARLY_INLINING_INSNS.
1356         (likely_eliminated_by_inlining_p): New predicate.
1357         (estimate_function_body_sizes): New function.
1358         (compute_inline_parameters): Use it.
1359         * except.c (must_not_throw_labels): New function.
1360         * except.h (must_not_throw_labels): Declare.
1361         * tree-inline.c (init_inline_once): Kill inlining_weigths
1362         * tree-ssa-structalias.c: Avoid uninitialized warning.
1363         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1364         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1365         (PARAM_INLINE_CALL_COST): Remove.
1366         (PARAM_EARLY_INLINING_INSNS): New.
1367
1368 2009-05-15  Richard Guenther  <rguenther@suse.de>
1369
1370         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
1371         not TODO_update_ssa.
1372
1373 2009-05-15  Richard Guenther  <rguenther@suse.de>
1374
1375         PR tree-optimization/39999
1376         * gimple.h (gimple_expr_type): Use the expression type looking
1377         through useless conversions.
1378         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
1379         (vn_nary_op_insert_stmt): Likewise.
1380         (simplify_binary_expression): Likewise.
1381
1382 2009-05-15  Richard Guenther  <rguenther@suse.de>
1383
1384         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1385         New options, enabled by default.
1386         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1387         Document.
1388         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
1389         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
1390         * tree-ssa-structalias.c (gate_tree_pta): New function.
1391         (pass_build_alias): Use it.
1392
1393 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
1394
1395         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
1396         recurse on an invariant address if a conversion from a pointer
1397         type to a wider integer type is involved.
1398
1399 2009-05-15  Jan Hubicka  <jh@suse.cz>
1400
1401         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1402         * cgraph.h (struct inline_summary): New filed self_wize,
1403         size_inlining_benefit, self_time and time_inlining_benefit.
1404         (struct cgraph_global_info): Replace insns by time ans size fields.
1405         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1406         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1407         (ipcp_update_callgraph): Do not touch function bodies.
1408         * ipa-inline.c: Include except.h
1409         (MAX_TIME): New constant.
1410         (overall_insns): Remove
1411         (overall_size, max_benefit): New static variables.
1412         (cgraph_estimate_time_after_inlining): New function.
1413         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1414         (cgraph_clone_inlined_nodes): Update size.
1415         (cgraph_mark_inline_edge): Update size.
1416         (cgraph_estimate_growth): Use size info.
1417         (cgraph_check_inline_limits): Check size.
1418         (cgraph_default_inline_p): Likewise.
1419         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1420         (cgraph_decide_recursive_inlining): Check size.
1421         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1422         times.
1423         (cgraph_decide_inlining): Likewise.
1424         (cgraph_decide_inlining_incrementally): Likewise; honor
1425         PARAM_EARLY_INLINING_INSNS.
1426         (likely_eliminated_by_inlining_p): New predicate.
1427         (estimate_function_body_sizes): New function.
1428         (compute_inline_parameters): Use it.
1429         * except.c (must_not_throw_labels): New function.
1430         * except.h (must_not_throw_labels): Declare.
1431         * tree-inline.c (init_inline_once): Kill inlining_weigths
1432         * tree-ssa-structalias.c: Avoid uninitialized warning.
1433         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1434         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1435         (PARAM_INLINE_CALL_COST): Remove.
1436         (PARAM_EARLY_INLINING_INSNS): New.
1437         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
1438         (inline-call-cost): Remove.
1439         (early-inlining-insns): New.
1440
1441 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1442
1443         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
1444         for bounds.
1445         (print_int_cst_bounds_in_octal_p): Likewise.
1446         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
1447         with subtypes.
1448         * dwarf2out.c (base_type_die): Likewise.
1449         (is_subrange_type): Delete.
1450         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
1451         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
1452         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
1453         the destination type is boolean.
1454         (build_range_check): Do not special-case subtypes.
1455         (fold_sign_changed_comparison): Likewise.
1456         (fold_unary): Likewise.
1457         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
1458         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
1459         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
1460         * tree.c (subrange_type_for_debug_p): New predicate based on the former
1461         is_subrange_type.
1462         * tree.h (subrange_type_for_debug_p): Declare.
1463         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
1464         (convert_affine_scev): Remove call to above function.
1465         (chrec_convert_aggressive): Likewise.
1466         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
1467         false for conversions involving subtypes.
1468         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
1469         (vrp_val_min): Likewise.
1470         (needs_overflow_infinity): Likewise.
1471         (extract_range_from_unary_expr): Likewise.
1472
1473 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
1474
1475         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1476         * config/frv/frv.c: Likewise.
1477         * config/s390/s390.c: Likewise.
1478         * config/sparc/sparc.h: Likewise.
1479         * config/i386/i386.h: Likewise.
1480         * config/i386/i386.c: Likewise.
1481         * config/crx/crx.c: Likewise.
1482         * config/m68hc11/m68hc11.h: Likewise.
1483         * config/iq2000/iq2000.c: Likewise.
1484         * config/mn10300/mn10300.h: Likewise.
1485         * config/mn10300/mn10300.c: Likewise.
1486         * config/m68k/m68k.c: Likewise.
1487         * config/rs6000/rs6000.c: Likewise.
1488         * config/rs6000/xcoff.h: Likewise.
1489         * config/rs6000/linux64.h: Likewise.
1490         * config/rs6000/sysv4.h: Likewise.
1491         * config/score/score3.c: Likewise.
1492         * config/score/score7.c: Likewise.
1493         * config/score/score.c: Likewise.
1494         * config/arm/arm.md: Likewise.
1495         * config/mips/mips.c: Likewise.
1496         * config/mips/mips.md: Likewise.
1497         * config/bfin/bfin.h: Likewise.
1498         * config/pa/pa.c: Likewise.
1499         * config/pa/constraints.md: Likewise.
1500
1501         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
1502         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
1503         * config/pdp11/pdp11.h: Use memory_address_p instead.
1504
1505 2009-05-14  Ian Lance Taylor  <iant@google.com>
1506
1507         * passes.c (finish_optimization_passes): Change i to int.
1508         * plugin.c (plugins_active_p): Change event to int.
1509         (dump_active_plugins): Likewise.
1510         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
1511         Add cast.
1512         * tree.c (tree_range_check_failed): Change c to unsigned int.
1513         (omp_clause_range_check_failed): Likewise.
1514         (build_common_builtin_nodes): Change mode to int.  Add cast.
1515         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
1516         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
1517
1518         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
1519         ++ or -- with a variable of enum type.
1520
1521 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1522
1523         PR driver/40144
1524         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
1525
1526 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1527
1528         * store-motion.c: Do not include params.h
1529         * Makefile.in: Fix dependencies for various files.
1530
1531 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1532
1533         * auto-inc-dec.c: Fix pass description, remove apparent
1534         accidental duplication.
1535
1536 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1537
1538         PR middle-end/40147
1539         * ipa-utils.h (memory_identifier_string): Moved to ...
1540         * tree.h (memory_identifier_string): Here.  Add GTY(()).
1541
1542 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1543
1544         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
1545         in the former documentation of...
1546         (GO_IF_LEGITIMATE_ADDRESS): ... this.
1547         * ira-conflicts.c (get_dup_num): Use address_operand.
1548         * targhooks.c (default_legitimate_address_p): New.
1549         * targhooks.h (default_legitimate_address_p): New.
1550         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
1551         Call hook.
1552         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
1553         * target.h (struct target): Add legitimate_address_p.
1554         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
1555         (TARGET_INITIALIZER): Include it.
1556
1557         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1558         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
1559         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
1560         (TARGET_LEGITIMATE_ADDRESS_P): New.
1561
1562         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1563         (REG_OK_STRICT_P): Delete.
1564         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
1565         (frv_legitimate_address_p_1): ... this.
1566         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
1567         (frv_legitimate_address_p_1): ... the renamed old
1568         frv_legitimate_address_p.
1569         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
1570         (TARGET_LEGITIMATE_ADDRESS_P): New.
1571
1572         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1573         * config/s390/s390-protos.h (legitimate_address_p): Remove.
1574         * config/s390/s390.c (legitimate_address_p): Rename to...
1575         (s390_legitimate_address_p): ... this, make static.
1576         (legitimize_address): Adjust call.
1577         (TARGET_LEGITIMATE_ADDRESS_P): New.
1578         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
1579
1580         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1581         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
1582         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
1583         (TARGET_LEGITIMATE_ADDRESS_P): New.
1584
1585         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1586         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
1587         * config/spu/spu.c (spu_legitimate_address): Rename to...
1588         (spu_legitimate_address_p): ... this, make static.
1589         (TARGET_LEGITIMATE_ADDRESS_P): New.
1590
1591         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1592         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
1593         * config/sparc/sparc.c (legitimate_address_p): Rename to...
1594         (sparc_legitimate_address_p): ... this, make static and return bool.
1595         (legitimize_address): Adjust call.
1596         (TARGET_LEGITIMATE_ADDRESS_P): New.
1597
1598         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1599         * config/i386/i386-protos.h (legitimate_address_p): Remove.
1600         * config/i386/i386.c (legitimate_address_p): Rename to...
1601         (ix86_legitimate_address_p): ... this, make static.
1602         (constant_address_p): Move after it, adjust call.
1603         (TARGET_LEGITIMATE_ADDRESS_P): New.
1604
1605         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1606         * config/avr/avr-protos.h (legitimate_address_p): Remove.
1607         * config/avr/avr.c (legitimate_address_p): Rename to...
1608         (avr_legitimate_address_p): ... this, make static.
1609         (legitimize_address): Adjust call.
1610         (TARGET_LEGITIMATE_ADDRESS_P): New.
1611
1612         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1613         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
1614         * config/crx/crx.c (crx_legitimate_address_p): Make static.
1615         (TARGET_LEGITIMATE_ADDRESS_P): New.
1616
1617         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1618         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
1619         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
1620         (TARGET_LEGITIMATE_ADDRESS_P): New.
1621
1622         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1623         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
1624         Remove.
1625         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1626         Make static.
1627         (TARGET_LEGITIMATE_ADDRESS_P): New.
1628
1629         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1630         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
1631         Remove.
1632         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
1633         Rename to...
1634         (m68hc11_legitimate_address_p): ... this, make static.
1635         (go_if_legitimate_address_internal): Rename to...
1636         (m68hc11_legitimate_address_p_1): ... this.
1637         (legitimize_address): Adjust call.
1638         (TARGET_LEGITIMATE_ADDRESS_P): New.
1639
1640         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1641         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
1642         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
1643         (TARGET_LEGITIMATE_ADDRESS_P): New.
1644
1645         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1646         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
1647         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
1648         (mn10300_legitimate_address_p): ... this, make static.
1649         (TARGET_LEGITIMATE_ADDRESS_P): New.
1650
1651         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1652         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
1653         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
1654         (TARGET_LEGITIMATE_ADDRESS_P): New.
1655
1656         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1657         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
1658         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
1659         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1660         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
1661         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
1662         (rs6000_legitimate_address_p): ... this, make static.
1663         (TARGET_LEGITIMATE_ADDRESS_P): New.
1664         (REG_MODE_OK_FOR_BASE_P): Delete.
1665         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
1666
1667         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1668         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
1669         Delete.
1670         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
1671         static, adjust types.
1672         (TARGET_LEGITIMATE_ADDRESS_P): New.
1673
1674         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1675         * config/score/score.c (score_address_p): Rename to...
1676         (score_legitimate_address_p): ... this.
1677         (TARGET_LEGITIMATE_ADDRESS_P): New.
1678         * config/score/score3.c (score3_address_p): Rename to...
1679         (score3_legitimate_address_p): ... this.
1680         * config/score/score7.c (score7_address_p): Rename to...
1681         (score7_legitimate_address_p): ... this.
1682
1683         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
1684         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
1685         GO_IF_LEGITIMATE_ADDRESS): Delete.
1686         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
1687         thumb2_legitimate_address_p): Delete.
1688         (arm_legitimate_address_p): Rename to...
1689         (arm_legitimate_address_outer_p): ... this.
1690         * config/arm/constraints.md ("Uq"): Adjust call.
1691         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
1692         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
1693         (arm_legitimate_address_outer_p): ... this.
1694         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
1695         (TARGET_LEGITIMATE_ADDRESS_P): New.
1696
1697         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1698         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
1699         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
1700         (TARGET_LEGITIMATE_ADDRESS_P): New.
1701
1702         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1703         * config/vax/vax-protos.h (legitimate_address_p): Remove.
1704         * config/vax/vax.c (legitimate_address_p): Rename to...
1705         (vax_legitimate_address_p): ... this, make static.
1706         (TARGET_LEGITIMATE_ADDRESS_P): New.
1707
1708         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1709         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
1710         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
1711         (TARGET_LEGITIMATE_ADDRESS_P): New.
1712
1713         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1714         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
1715         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
1716         (mmix_legitimate_address_p): ... this, make static.
1717         (TARGET_LEGITIMATE_ADDRESS_P): New.
1718
1719         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1720         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
1721         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
1722         (TARGET_LEGITIMATE_ADDRESS_P): New.
1723
1724 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1725
1726         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
1727         of MODE_COMPLEX_INT.
1728
1729 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1730
1731         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
1732         LCT_NORMAL in function call.
1733         * mips-tdump.c (print_file_desc): Add cast to enum type.
1734         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
1735         (mark_stabs): Add casts to enum types.
1736         (parse_stabs_common): Add casts to enum types.
1737
1738 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1739
1740         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
1741         Check for invalid values of LETTER.
1742
1743 2009-05-13  Taras Glek  <tglek@mozilla.com>
1744
1745         * attribs.c (register_attribute): moved out attribute registration into
1746         register_attribute.
1747         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
1748         * gcc-plugin.h: Added forward decl for register_attribute.
1749         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
1750         * plugin.c (register_callback, invoke_plugin_callbacks): Added
1751         PLUGIN_ATTRIBUTES boilerplate.
1752
1753 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
1754
1755         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
1756         values even in sentinel and empty entries.
1757         (ms_printf_flag_specs):  Likewise.
1758         (ms_scanf_flag_specs):  Likewise.
1759         (ms_strftime_flag_specs):  Likewise.
1760         (ms_print_char_table):  Likewise.
1761         (ms_scan_char_table):  Likewise.
1762         (ms_time_char_table):  Likewise.
1763
1764 2009-05-13  Doug Kwan  <dougkwan@google.com>
1765
1766         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1767
1768 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1769
1770         * config/mips/mips.md (store): Add attributes for QI and HI.
1771         Update comment.
1772         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1773         (truncdi<mode>2): ... this new pattern.
1774
1775 2009-05-13  Brad Hards  <bradh@kde.org>
1776
1777         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1778
1779 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1780             Ben Elliston <bje@au.ibm.com>
1781
1782         PR middle-end/40035
1783         * dse.c (check_mem_read_rtx): Guard against width == -1.
1784
1785 2009-05-13  Michael Matz  <matz@suse.de>
1786
1787         PR middle-end/39976
1788         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1789         (trivially_conflicts_p): New function.
1790         (insert_backedge_copies): Use it.
1791
1792 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1793
1794         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1795         (handle_stdc_pragma): Use new enum constant names.
1796         (handle_pragma_float_const_decimal64): Ditto.
1797
1798 2009-05-13  Ian Lance Taylor  <iant@google.com>
1799
1800         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1801         tree.def.
1802
1803 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1804
1805         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1806         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1807         multilibs.
1808         * config/m68k/m68k.h (FL_UCLINUX): Define.
1809
1810 2009-05-13  Jan Hubicka  <jh@suse.cz>
1811
1812         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1813
1814 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1815
1816         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1817         unless -fschedule-insns is specified.
1818
1819 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1820
1821         PR target/39561
1822         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1823         TARGET_EXPAND_CBRANCHDI4.
1824         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1825         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1826         (cmpeqdi): Fix comment.
1827
1828 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1829
1830         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1831         (sh_legitimate_address_p): Likewise.
1832         * config/sh/sh.c (sh_legitimate_index_p): New.
1833         (sh_legitimate_address_p): Likewise.
1834         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1835         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1836         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1837         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1838         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1839         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1840         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1841         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1842         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1843
1844 2009-05-12  Jan Hubicka  <jh@suse.cz>
1845
1846         * tree-inline.c (estimate_operator_cost): Add operands;
1847         when division happens by constant, it is cheap.
1848         (estimate_num_insns): Loads and stores are not having cost of 0;
1849         EH magic stuff is cheap; when computing runtime cost of switch,
1850         use log2 base of amount of its cases; builtin_expect has cost of 0;
1851         compute cost for moving return value of call.
1852         (init_inline_once): Initialize time_based flags.
1853         * tree-inline.h (eni_weights_d): Add time_based flag.
1854
1855 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1856
1857         * df-core.c: Update head documentation.
1858
1859 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1860
1861         PR bootstrap/40118
1862         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1863         shadowing exisiting variable op1.
1864
1865 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1866
1867         PR target/37179
1868         * config/i386/driver-i386.c (processor_signatures): New enum.
1869         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1870         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1871         processor signature to detect geode processor.
1872
1873 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1874
1875         Revert:
1876
1877         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1878
1879         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1880         causes spurious differences between trunk and cond-optab branch.
1881
1882 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1883
1884         * dojump.c (compare_from_rtx): Delete.
1885         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1886         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1887         if the comparison does not satisfy the predicate; test predicates for
1888         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1889         further if one existing pattern fails.
1890         * expr.h (compare_from_rtx): Delete.
1891         (prepare_operand): Declare it.
1892         * optabs.c: Change "lib call" to "libcall" throughout.
1893         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1894         HAVE_conditional_trap, emit_cmp_insn): Delete.
1895         (can_compare_p): Delete cmp_optab case.
1896         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1897         Accept other parameters by value.
1898         (prepare_operand): Make non-static.
1899         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1900         other parameters by value.  Try to widen operands here based on
1901         an optab_methods argument and looking at cbranch_optab.
1902         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1903         loop.  Use cbranch_optab directly.
1904         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1905         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1906         assertion.
1907         (emit_conditional_move, emit_conditional_add): Inline what's needed
1908         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1909         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1910         with COMPARE.  Move cmov_optab and cstore_optab above
1911         with cbranch_optab, move cmp_optab down with ucmp_optab,
1912         remove tst_otpab.  Do not initialize trap_rtx.
1913         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1914         for trap code.  Do not check HAVE_conditional_trap.  Use
1915         prepare_cmp_insn.  Accept no predicate for operand 3.
1916         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1917         (OTI_ctrap, ctrap_optab): New.
1918         (tst_optab): Delete.
1919         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1920         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1921         with lookup of ctrap_optab.
1922         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1923         setcc_gen_code): Delete.
1924         (ctrap_optab): New.
1925
1926         * combine.c (combine_simplify_rtx, simplify_set): Do not
1927         special case comparing against zero for cc0 machines.
1928         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1929         COMPARE on cc0 machines.
1930         (simplify_relational_operation): Return a new expression when
1931         a COMPARE could be removed.
1932         * final.c (final_scan_insn): Compare cc_status values
1933         against LHS of a (compare FOO (const_int 0)) cc0 source.
1934         Also check if cc_status.value is the full compare.
1935
1936         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1937         (cstoreMM4): Document.
1938         (conditional_trap): Document ctrapMM4 instead.
1939         (sync_compare_and_swapMM): Refer to cbranchcc4.
1940         (Dependent Patterns): Eliminate obsolete information referring to
1941         the old jump optimization phase.
1942         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1943         of compares with 0 on cc0 machines.
1944         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1945         avoiding references to cc0.  Remove text about storing operands
1946         in cmpMM.
1947         * doc/tm.texi (Condition Codes): Include blurb on different
1948         condition code representations, separate into subsections for
1949         CC0, MODE_CC and conditional execution.
1950
1951         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1952         alpha_emit_setcc): Accept operands and a machine mode.
1953         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1954         Get code/op0/op1 from operands, use machine mode argument
1955         instead of alpha_compare.fp_p.  Emit the branch here.
1956         (alpha_emit_setcc): Likewise, and return boolean.
1957         (alpha_emit_conditional_move): Likewise.  Assert that
1958         cmp_op_mode == cmp_mode, and simplify accordingly.
1959         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1960         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1961         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1962         Delete.
1963         (stack probe test): Use cbranchdi4.
1964         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1965
1966         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1967         * config/arc/arc.h (movsicc, movsfcc): Use it.
1968         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1969         (cbranchsi4, cstoresi4): New.
1970         (cmpsi, bCC and sCC expanders): Remove. 
1971
1972         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1973         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1974         * config/arm/predicates.md (arm_comparison_operator): Only include
1975         floating-point operators if there is a hardware floating-point unit.
1976         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1977         deferring to cbranch_cc and cstore_cc respectively.
1978         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1979         cbranch_cc, cstore_cc): New.
1980         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1981         arm_compare_op1.
1982         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1983
1984         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1985         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1986         as an argument.
1987         (adjust_insn_length): Adjust calls.
1988         (avr_reorg): Handle (compare (foo) (const_int 0)).
1989         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
1990         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
1991         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
1992         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
1993         (bCC): Remove.
1994         (cbranchqi4, cbranchhi4, cbranchsi4): New.
1995         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
1996
1997         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
1998         (cbranchsi4, cstorebi4, cstoresi4): New.
1999         (movbisi): This insn is duplicate, split it to zero_extend.
2000         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
2001         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
2002         (bfin_optimize_loop): Use cbranch expander.
2003         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
2004         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
2005         (bfin_bimode_comparison_operator): ... this.
2006         (bfin_direct_comparison_operator): New.
2007  
2008         * config/cris/cris.c (cris_normal_notice_update_cc): Look
2009         inside (compare FOO (const_int 0)).
2010         (cris_rtx_costs): Handle ZERO_EXTRACT.
2011         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
2012         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
2013         (*tstdi_v32): Delete.
2014         (*cmpdi_non_v32): Add M alternative for operand 1.
2015         (cmpsi, cmp<mode>): Make private.
2016         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
2017         with COMPARE.
2018         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
2019
2020         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
2021         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
2022         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
2023         (cc_reg_operand): New.
2024         (any_cond): Delete.
2025         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
2026         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
2027         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
2028         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
2029         crx_expand_scond): Delete.
2030
2031         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
2032         (cbranchsi4): New.
2033         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
2034         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
2035
2036         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
2037         cstoresi4, cstoresf4, cstoredf4): New.
2038         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
2039         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2040         Receive the entire operands array.
2041         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
2042         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
2043         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2044         Get test/op0/op1 from the operands array.
2045         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
2046
2047         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
2048         (h8300_expand_store): New.
2049         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
2050         (const_int 0)).
2051         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
2052         (h8300_expand_store): New.
2053         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
2054         or do not try to produce (set (cc0) REG).
2055         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
2056         change a compare into a move to a scratch register.  Disable some
2057         peepholes when comparing with zero.
2058         (tstsi, tsthi, tstsi, cmpqi): Make private.
2059         (cmphi): Delete.
2060         (bCC, sCC): Delete.
2061         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
2062         cstoresi4): New.
2063
2064         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
2065         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
2066         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
2067         (ix86_emit_i387_log1p): Use cbranchxf2.
2068         (ix86_expand_setcc): Return void.
2069         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
2070         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
2071         cmp<MODEF>, cmpcc): Remove.
2072         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
2073         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
2074         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
2075         (sCC and bCC expanders): Remove.
2076         (stack_protect_test): Use cbranchcc4.
2077
2078         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
2079         Delete.
2080         (ia64_expand_compare): Accept three rtx by reference and return void.
2081         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
2082         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
2083         from *expr.  Update *expr with the BImode comparison to do.
2084         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
2085         cmptf, bCC, sCC, conditional_trap): Delete.
2086         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
2087         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
2088         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
2089         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
2090         * config/ia64/predicates.md (ia64_cbranch_operator): New.
2091
2092         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
2093         type of last argument.
2094         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
2095         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
2096         use machine mode argument instead of branch_type.  Remove dead
2097         code for floating-point comparisons.
2098         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
2099         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
2100         Remove.
2101         (cbranchsi4, cstoresi4): New.
2102         * config/iq2000/predicates.md (reg_or_const_operand): New.
2103
2104         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
2105         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
2106         (b<code>_op): Rewrite to...
2107         (bcc_op): ... this, using match_operator.
2108         (s<code>_op): Rewrite to...
2109         (scc_op): ... this, using match_operator.
2110         (s<code>_24_op): Rewrite to...
2111         (scc_op_24): ... this, using match_operator.
2112         (s<code>_<mode>): Rewrite to...
2113         (cstore<mode>4): ... this, using match_operator.
2114         (s<code>_<mode>_24): Rewrite to...
2115         (cstore<mode>4_24): ... this, using match_operator.
2116         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
2117         m32c_unpend_compare, m32c_expand_scc): Delete.
2118         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
2119         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
2120         (m32c_expand_movcc): Change NE to EQ if necessary.
2121         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
2122
2123         * config/m32r/m32r-protos.h (gen_cond_store): New.
2124         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
2125         (gen_cond_store): New, from sCC patterns.
2126         (m32r_expand_block_move): Use cbranchsi4.
2127         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
2128         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
2129         (cbranchsi4, cstoresi4): New.
2130         
2131         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
2132         Delete.
2133         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
2134         (m68hc11_notice_update_cc): Look into a compare with 0.
2135         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
2136         Delete.
2137         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
2138         cmphi, cmpqi, bCC): Delete.
2139         (cbranchsi4, cbranchhi4, cbranchqi4): New.
2140         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
2141         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
2142         sets with COMPARE.
2143
2144         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
2145         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
2146         * config/m68k/constraints.md (H): New.
2147         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
2148         the define_insn below.
2149         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
2150         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
2151         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
2152         patterns): Wrap RHS with COMPARE.
2153         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
2154         (*cmpdi_internal): Name this pattern.
2155         (cmpdi): Change to define_insn.
2156         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
2157         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
2158         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
2159         predicate.
2160         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
2161         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
2162         (conditional_trap): Change to...
2163         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
2164         (*conditional_trap): Use the ordered_comparison_operator and
2165         const1_operand predicates.
2166         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
2167         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
2168         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
2169         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
2170
2171         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
2172         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
2173         (mcore_gen_compare): New. 
2174         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
2175         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
2176         (mcore_gen_compare): ... this.
2177         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
2178         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
2179         (stack probe pattern): Use cbranchsi4.
2180
2181         * config/mips/predicates.md (mips_cstore_operator): New.
2182         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
2183         * config/mips/mips.md (any_cond): Delete.
2184         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
2185         always succeed.
2186         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
2187         fixuns_truncsfdi2): Use cbranch patterns.
2188         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
2189         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
2190         Adjust call to mips_expand_conditional_branch.
2191         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
2192         cstore<GPR:mode>4.
2193         * config/mips/mips-protos.h (mips_expand_conditional_branch,
2194         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
2195         * config/mips/mips.c (cmp_operands): Delete.
2196         (mips_emit_compare): Get comparison operands from *op0/*op1.
2197         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
2198         that it succeeds.  Use op0/op1 instead of cmp_operands.
2199         (mips_expand_conditional_branch, mips_expand_conditional_move,
2200         mips_expand_conditional_trap): Likewise.
2201         (mips_block_move_loop): Use cbranch patterns. 
2202         * config/mips/mips.h (cmp_operands): Delete.
2203
2204         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
2205         (mmix_gen_compare_reg): Just return a register in the right CC mode.
2206         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
2207         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
2208         (*cmpcc_folded): Rename to...
2209         (*cmpdi_folded): this.
2210         (*cmpcc): Rename to...
2211         (*cmps): ... this.
2212         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
2213         (bCC): Remove.
2214         (cbranchdi4): New.
2215         (cbranchdf4): New.  Handle invalid comparisons here.
2216         * config/mmix/predicates.md (float_comparison_operator): New.
2217
2218         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
2219         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
2220         * config/mn10300/mn10300.md (tst): Delete.
2221         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
2222         Name these patterns and wrap RHS in a compare.
2223         (*cmpsi): Make this pattern private.  Include tst.
2224         (*cmpsf): Make this pattern private.
2225         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
2226         (compare with zero peepholes): Likewise.
2227         (bCC): Remove.
2228         (cbranchsi4, cbranchsf4): New.
2229         (casesi): Use cbranchsi4.
2230
2231         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
2232         hppa_branch_type): Delete.
2233         (return_addr_rtx): Use cbranchsi4.
2234         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
2235         Emit CCFPmode comparison here.
2236         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
2237         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
2238         hppa_branch_type): Delete.
2239         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
2240         (movsicc, movdicc): Remove references to hppa_compare_op0,
2241         hppa_compare_op1 and compare_from_rtx.
2242         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
2243         (casesi): Use cbranchsi4.
2244
2245         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
2246         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
2247         * config/pdp11/pdp11.md (register_or_const0_operand): New.
2248         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
2249         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
2250         (bCC): Delete.
2251         (cbranchdf4, cbranchhi4, cbranchqi4): New.
2252         (*branch, *branch_inverted): New.
2253
2254         * config/picochip/picochip.md (cbranchhi4): Use
2255         ordered_comparison_operator.
2256         (cmphi, bCC): Remove.
2257
2258         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
2259         (trap_comparison_operator): Delete.
2260         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
2261         rs6000_emit_cbranch): Accept mode and operands.
2262         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
2263         rs6000_compare_fp_p): Delete.   
2264         (rs6000_generate_compare): Accept mode and comparison.  Extract code
2265         and op0/op1 from there.  Replace references to rs6000_compare_op0
2266         and rs6000_compare_op1.
2267         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
2268         extract result from passed operands.
2269         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
2270         extract loc from passed operands.
2271         (rs6000_emit_cmove): Likewise.
2272         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
2273         rs6000_compare_fp_p): Delete.
2274         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
2275         (cbranch<GPR>4, cbranch<FP>4): New.
2276         (cstore<mode>4): New.  Consolidate here all choices about when to use
2277         portable or specialized sCC sequences.
2278         (stack_protect_test): Use cbranchsi4.
2279         (conditional_trap): Replace with ctrap<GPR>4.
2280         (conditional trap insn): Replace trap_comparison_operator with
2281         ordered_comparison_operator. 
2282
2283         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
2284         (s390_emit_prologue): Use ctrap.
2285         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
2286         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
2287         New predicates replacing...
2288         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
2289         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
2290         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
2291         (add<mode>cc): Do not use s390_compare_op0/op1.
2292         (s<code>): Change to...
2293         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
2294         (seq): Change to...
2295         (cstorecc4): ... this.  Handle EQ or NE equally.
2296         (*sne): Un-privatize for use in cstorecc4.
2297         (b<code>): Change to...
2298         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
2299         (conditional_trap): Replace with...
2300         (ctrap<GPR>4, ctrap<FP>4): ... these.
2301         (stack_protect): Use cbranchcc4.
2302
2303         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
2304         * config/score/score-protos.h (score_gen_cmp): Delete.
2305         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
2306         (score_block_move-loop): Use cbranchsi4.
2307         * config/score/score.md (cbranchsi4): New.
2308         (cmpsi, bCC): Delete.
2309         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
2310         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2311         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
2312         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2313         * config/score/score3.h (score3_gen_cmp): Delete.
2314         * config/score/score7.h (score7_gen_cmp): Delete.
2315
2316         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
2317         (sh_emit_scc_to_t): ... this.  Return void.
2318         (from_compare): Rename to...
2319         (sh_emit_compare_and_branch): ... this.
2320         (sh_emit_compare_and_set): New.
2321         (sh_expand_t_scc): Accept operands.
2322         * config/sh/predicates.md (sh_float_comparison_operator): New.
2323         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
2324         (prepare_scc_operands): Rename to...
2325         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
2326         arguments.
2327         (sh_emit_cheap_store_flag): New.
2328         (sh_emit_set_t_insn): New.
2329         (from_compare): Rename to...
2330         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
2331         handling of TARGET_SH2E floating point to avoid recursive call.
2332         Generate branch here.
2333         (sh_emit_compare_and_set): New.
2334         (sh_expand_t_scc): Get op0/op1 from arguments.
2335         (sh_emit_cheap_store_flag): New.
2336         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
2337         cases.
2338         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
2339         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
2340         (movsicc, movdicc): Do nothing when it recreated operands from
2341         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
2342         prepare_scc_operands (now sh_emit_scc_to_t).
2343         (udivdi3): Use cstoresi4.
2344         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
2345         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
2346         (cbranchint4_media, cbranchfp4_media): New.
2347         (casesi): Use cbranchdi4.
2348         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
2349         Delete.
2350         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
2351         (movnegt): Remove second operand.
2352         (cbranchsf4, cbranchdf4): New.
2353         (stack_protect): Use cbranchdi4/cbranchsi4.
2354
2355         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
2356         (gen_compare_reg): Accept comparison, extract part of it to...
2357         (gen_compare_reg_1): ... this. 
2358         (gen_compare_operator): Delete.
2359         (gen_v9_scc): Accept separate destination, comparison code and arms.
2360         Do not use sparc_compare_op0/sparc_compare_op1.
2361         (emit_scc_insn, emit_conditional_branch_insn): New.
2362         (emit_v9_brxx): Make static.  Remove useless assertion.
2363         (sparc_emit_float_lib_cmp): Return RTL instead of calling
2364         emit_cmp_insn.
2365         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
2366         * config/sparc/sparc-protos.h (gen_compare_reg,
2367         sparc_emit_float_lib_cmp): Adjust prototype.
2368         (emit_scc_insn, emit_conditional_branch_insn): New.
2369         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
2370         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
2371         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
2372         iterators to the top.
2373         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
2374         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
2375         snedi_special_trunc): Delete.
2376         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
2377         and snedi_special_trunc.
2378         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
2379         cbranchdi4, cbranch<F:mode>4): New.
2380         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
2381         here.  Use gen_compare_reg instead of gen_compare_operator.
2382         (conditional_trap): Replace with...
2383         (ctrapsi4, ctrapdi4): ... this.
2384         (stack_protect_test): Use cbranchcc4.
2385
2386         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
2387         argument to rtx.
2388         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
2389         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
2390         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
2391         from operands[0] or operands[3] depending on is_set.
2392         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
2393         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
2394         cmpdf, bCC), sCC: Remove.
2395         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
2396         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
2397         cstoredf4): New.
2398         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
2399         spu_emit_branch_or_set.
2400
2401         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
2402         Add two arguments.
2403         * config/stormy16/stormy16.h (xstormy16_compare_op0,
2404         xstormy16_compare_op1): Delete.
2405         * config/stormy16/stormy16.c (xstormy16_compare_op0,
2406         xstormy16_compare_op1): Delete. 
2407         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
2408         Adjust calls.
2409         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
2410         (cmphi, cmpsi, bCC): Remove.
2411
2412         * config/v850/v850.md (tstsi, cmpsi): Fold into...
2413         (*cmpsi): ... this one.
2414         (cbranchsi4, cstoresi4): New.
2415         (bCC expanders): Delete.
2416         (sCC insns): Fold into...
2417         (*setcc): ... this one.
2418         (casesi): Do not use gen_cmpsi and gen_bgtu. 
2419         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
2420         (movsicc): Simplify.
2421         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
2422
2423         * config/vax/vax-protos.h (cond_name): New.
2424         (vax_output_conditional_branch): Remove.
2425         * config/vax/vax.c (cond_name): New.
2426         (vax_output_conditional_branch): Remove.
2427         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
2428         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
2429         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
2430         (bit<VAXint>): Wrap source with (compare).
2431         (b<code> and following unnamed pattern): Rename to *branch and
2432         *branch_reversed.  Change macroization to match_operator.
2433         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
2434
2435         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
2436         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
2437         Change last argument to machine_mode.
2438         (xtensa_expand_scc): Add machine_mode argument.
2439         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
2440         (gen_conditional_move, xtensa_expand_conditional_branch,
2441         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
2442         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
2443         Adjust operand numbers.
2444         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
2445         Delete.
2446         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
2447         (cmpsi, cmpsf, b<code>, s<code>): Delete.
2448         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
2449
2450 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2451
2452         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2453         causes spurious differences between trunk and cond-optab branch.
2454
2455 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2456
2457         PR target/37137
2458         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
2459
2460 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2461
2462         * tree.c (iterative_hash_pointer): Delete.
2463         (iterative_hash_expr): Short-circuit handling of NULL pointer.
2464         Hash UIDs and versions of SSA names.  Don't special-case built-in
2465         function declarations.
2466
2467 2009-05-11  Ian Lance Taylor  <iant@google.com>
2468
2469         PR bootstrap/40103
2470         * graphite.c: Force -Wc++-compat to only be a warning before
2471         #including "cloog/cloog.h".
2472
2473 2009-05-11  Martin Jambor  <mjambor@suse.cz>
2474
2475         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2476         
2477 2009-05-11  Jan Hubicka  <jh@suse.cz>
2478
2479         * tree-ssa-loop-ivcanon.c: Include target.h
2480         (struct loop_size): new structure.
2481         (constant_after_peeling): New predicate.
2482         (tree_estimate_loop_size): New function.
2483         (estimated_unrolled_size): Rewrite for new estimates.
2484         (try_unroll_loop_completely): Use new estimates.
2485         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
2486
2487 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2488
2489         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
2490         libcpp interface change.
2491         (spu_macro_to_expand): Likewise.
2492
2493 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2494
2495         PR tree-optimization/40026
2496         * gimplify.c (gimplify_init_constructor): Change initial conditional
2497         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
2498         optimize_compound_literals_in_ctor.
2499
2500 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2501
2502         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
2503         New devices.
2504         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
2505
2506 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2507
2508         * tree-vect-data-refs.c (vect_analyze_group_access): Use
2509         HOST_WIDE_INT for gap.
2510
2511 2009-05-11  Ira Rosen  <irar@il.ibm.com>
2512
2513         PR tree-optimization/40074
2514         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
2515         account in group size and step comparison.
2516
2517 2009-05-11  Richard Guenther  <rguenther@suse.de>
2518
2519         * passes.c (init_optimization_passes): Strip now incorrect comment.
2520         (execute_function_todo): Do not set PROP_alias.
2521         * tree-pass.h (PROP_alias): Remove.
2522         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
2523         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
2524         * tree-nrv.c (pass_return_slot): Likewise.
2525         * tree-object-size.c (pass_object_sizes): Likewise.
2526         * tree-ssa-dom.c (pass_dominator): Likewise.
2527         (pass_phi_only_cprop): Likewise.
2528         * tree-ssa-dse.c (pass_dse): Likewise.
2529         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2530         (pass_cselim): Likewise.
2531         * tree-ssa-pre.c (pass_pre): Likewise.
2532         (pass_fre): Likewise.
2533         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2534         * tree-ssa-sink.c (pass_sink_code): Likewise.
2535         * tree-stdarg.c (pass_stdarg): Likewise.
2536         * tree-tailcall.c (pass_tail_calls): Likewise.
2537         * tree-vrp.c (pass_vrp): Likewise.
2538
2539 2009-05-10  Ian Lance Taylor  <iant@google.com>
2540
2541         * basic-block.h (enum profile_status): Break out of struct
2542         control_flow_graph.
2543         * cgraph.h (struct inline_summary): Break out of struct
2544         cgraph_local_info.
2545         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
2546         of struct cgraph_order_sort.
2547         * combine.c (enum undo_kind): New enum, broken out of struct undo.
2548         * cse.c (struct branch_path): Break out of struct
2549         cse_basic_block_data.
2550         * except.h (enum eh_region_type): Break out of struct eh_region.
2551         * gcc.c (enum add_del): Break out of struct modify_target.
2552         * genrecog.c (enum decision_type): Break out of struct decision_test.
2553         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
2554         ggc_pch_data.
2555         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
2556         * regmove.c (enum match_use): New enum, broken out of struct match.
2557         * sched-int.h (enum post_call_group): New enum, broken out of
2558         struct deps.
2559         (struct deps_reg): Break out of struct deps.
2560         * target.h (struct asm_int_op): Break out of struct gcc_target.
2561         * tree-eh.c (struct goto_queue_node): Break out of struct
2562         leh_tf_state.
2563         * tree-inline.h (enum copy_body_cge_which): Break out of
2564         copy_body_data.
2565         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
2566
2567         * c-decl.c (in_struct, struct_types): New static variables.
2568         (pushtag): Add loc parameter.  Change all callers.
2569         (lookup_tag): Add ploc parameter.  Change all callers.
2570         (check_compound_literal_type): New function.
2571         (parser_xref_tag): Add loc parameter.  Change all callers.  If
2572         -Wc++-compat, warn about struct/union/enum types defined within a
2573         struct or union.
2574         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
2575         and loc parameters.  Change all callers.  Change error calls to
2576         error_at, using loc.  For a redefinition, if the location of the
2577         original definition is known, report it.  Set in_struct and
2578         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
2579         (finish_struct): Add new parameters enclosing_in_struct and
2580         enclosing_struct_types.  Change all callers.  Set
2581         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
2582         in the struct.  If in a struct, add this struct to struct_types.
2583         (start_enum): Add loc parameter.  Change all callers.  Use
2584         error_at for errors, using loc.  For a redefinition, if the
2585         location of the original definition is known, report it.  If in a
2586         struct, add this enum type to struct_types.  If -Wc++-compat warn
2587         if in sizeof, typeof, or alignof.
2588         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
2589         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
2590         (c_parser_enum_specifier): Get enum location for start_enum.
2591         (c_parser_struct_or_union_specifier): Get struct location for
2592         start_struct.  Save in_struct and struct_types status between
2593         start_struct and finish_struct.
2594         (c_parser_cast_expression): Get location of cast.
2595         (c_parser_alignof_expression): Get location of type.
2596         (c_parser_postfix_expression): Likewise.
2597         (c_parser_postfix_expression_after_paren_type): Add type_loc
2598         parameter.  Change all callers.  Call check_compound_literal_type.
2599         Use type_loc for error about variable size type.
2600         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
2601         of an enum constant from an enum type defined in a struct or union.
2602         (c_cast_expr): Add loc parameter.  Change all callers.  If
2603         -Wc++-compat, warn about defining a type in a cast.
2604         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
2605         (start_enum, start_struct, finish_struct): Update declarations.
2606         (parser_xref_tag, c_cast_expr): Update declarations.
2607         (check_compound_literal_type): Declare.
2608
2609 2009-05-11  Ben Elliston  <bje@au.ibm.com>
2610
2611         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
2612         for recent libcpp interface change.
2613         (rs6000_macro_to_expand): Likewise.
2614
2615 2009-05-10  Michael Matz  <matz@suse.de>
2616
2617         PR target/40031
2618         * config/arm/arm.c (require_pic_register): Emit on entry edge,
2619         not at entry of function.
2620
2621 2009-05-10  Richard Guenther  <rguenther@suse.de>
2622
2623         PR tree-optimization/40081
2624         Revert
2625         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2626         using the main variant of the element type.  Do not fiddle with
2627         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2628
2629         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
2630         structs with volatile fields.
2631
2632 2009-05-10  Jan Hubicka  <jh@suse.cz>
2633
2634         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
2635         (estimate_move_cost): Assert that it does not get called for
2636         VOID_TYPE_P.
2637         (estimate_num_insns): Skip VOID types in argument handling.
2638         (optimize_inline_calls): Delete unreachable blocks and verify that
2639         callgraph is valid.
2640
2641 2009-05-10  Jan Hubicka  <jh@suse.cz>
2642
2643         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
2644         * cgraph.c (cgraph_mark_address_taken_node): New function.
2645         (dump_cgraph_node): Dump new flag.
2646         * cgraph.h (struct cgraph_node): Add address_taken.
2647         (cgraph_mark_address_taken_node): New function.
2648         * ipa.c (cgraph_postorder): Prioritize functions with address taken
2649         since new direct calls can be born.
2650
2651 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2652
2653         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
2654         tok->val.node.node.
2655
2656 2009-05-10  Jan Hubicka  <jh@suse.cz>
2657
2658         PR middle-end/40084
2659         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
2660         argument; rewrite.
2661         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
2662         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
2663         * tree-inline.c (copy_bb): Set frequency correctly.
2664         (fold_marked_statements): Update call to
2665         cgraph_update_edges_for_call_stmt.
2666
2667 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2668
2669         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
2670         identifiers in diagnostics.
2671         * config/arm/arm.c (arm_handle_fndecl_attribute,
2672         arm_handle_isr_attribute): Likewise.
2673         * config/avr/avr.c (avr_handle_progmem_attribute,
2674         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
2675         * config/bfin/bfin.c (handle_int_attribute,
2676         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
2677         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
2678         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
2679         Likewise.
2680         * config/darwin.c (darwin_handle_kext_attribute,
2681         darwin_handle_weak_import_attribute): Likewise.
2682         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
2683         h8300_handle_eightbit_data_attribute,
2684         h8300_handle_tiny_data_attribute): Likewise.
2685         * config/i386/i386.c (ix86_handle_cconv_attribute,
2686         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
2687         * config/i386/winnt.c (ix86_handle_shared_attribute,
2688         ix86_handle_selectany_attribute): Likewise.
2689         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2690         * config/m32c/m32c.c (function_vector_handler): Likewise.
2691         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
2692         m68hc11_handle_fntype_attribute): Likewise.
2693         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2694         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2695         * config/mips/mips.c (mips_insert_attributes,
2696         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
2697         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
2698         rs6000_handle_struct_attribute): Likewise.
2699         * config/sh/sh.c (sh_insert_attributes,
2700         sh_handle_resbank_handler_attribute,
2701         sh_handle_interrupt_handler_attribute,
2702         sh2a_handle_function_vector_handler_attribute,
2703         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2704         Likewise.
2705         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
2706         * config/spu/spu.c (spu_handle_fndecl_attribute,
2707         spu_handle_vector_attribute): Likewise.
2708         * config/stormy16/stormy16.c
2709         (xstormy16_handle_interrupt_attribute): Likewise.
2710         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
2711         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2712
2713 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2714
2715         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
2716         (pp_translate_identifiers): New.
2717         (pp_identifier): Only conditionally translate identifier to locale
2718         character set.
2719         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
2720         (pp_base_tree_identifier): Only conditionally translate identifier
2721         to locale character set.
2722         * c-pretty-print.c (M_): Define.
2723         (pp_c_type_specifier, pp_c_primary_expression): Mark English
2724         fragments for conditional translation with M_.
2725         * tree-pretty-print.c (maybe_init_pretty_print): Disable
2726         identifier translation.
2727
2728 2009-05-10  Richard Guenther  <rguenther@suse.de>
2729
2730         PR tree-optimization/40081
2731         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2732         using the main variant of the element type.  Do not fiddle with
2733         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2734
2735 2009-05-09  Jan Hubicka  <jh@suse.cz>
2736
2737         PR middle-end/40080
2738         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
2739         indirect calls; verify cgraph afterwards.
2740
2741 2009-05-09  Jan Hubicka  <jh@suse.cz>
2742
2743         PR bootstrap/40082
2744         * ipa.c (update_inlined_to_pointer): New function.
2745         (cgraph_remove_unreachable_nodes): Use it.
2746
2747 2009-05-09  Jan Hubicka  <jh@suse.cz>
2748
2749         * tree-eh.c (struct leh_state): Remove prev_try.
2750         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
2751         not track prev_try.
2752         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
2753         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
2754         remove_eh_handler_and_replace, foreach_reachable_handler,
2755         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2756         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2757         (gen_eh_region_cleanup): Update prototype.
2758
2759 2009-05-09  Jan Hubicka  <jh@suse.cz>
2760
2761         PR middle-end/40043
2762         * except.c (copy_eh_region): Always set prev_try.
2763         (redirect_eh_edge_to_label): Find outer try.
2764         (foreach_reachable_handler): When looking for prev try
2765         handle case where previous try is not going to be taken.
2766
2767 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2768
2769         PR tree-optimization/40049
2770         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2771         only vector/vector shifts, convert the type of the constant to the
2772         appropriate type to avoid building incorrect trees, which
2773         eventually have problems with garbage collection.
2774
2775 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2776
2777         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2778         -1 for complex floating-point types if honoring signed zeros.
2779
2780 2009-05-08  Jan Hubicka  <jh@suse.cz>
2781
2782         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2783         argument; handle correctly when profile is absent.
2784         (build_cgraph_edges): Update.
2785         (rebuild_cgraph_edges): Update.
2786         * cgraph.c: Do not include varray.h.
2787         (cgraph_set_call_stmt_including_clones): New function.
2788         (cgraph_create_edge_including_clones): Likewise
2789         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2790         (cgraph_update_edges_for_call_stmt): Handle clones.
2791         (cgraph_remove_node): Handle clone tree.
2792         (cgraph_remove_node_and_inline_clones): New function.
2793         (dump_cgraph_node): Dump clone tree.
2794         (cgraph_clone_node): Handle clone tree.
2795         (clone_function_name): Bring here from tree-inline.c.
2796         (cgraph_create_virtual_clone): New function.
2797         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2798         (cgraph_clone_info): New function.
2799         (strut cgraph_node): Add clone_info and new clone tree pointers.
2800         (cgraph_remove_node_and_inline_clones,
2801         cgraph_set_call_stmt_including_clones,
2802         cgraph_create_edge_including_clones,
2803         cgraph_create_virtual_clone): Declare.
2804         (cgraph_function_versioning): Use VEC argument.
2805         (compute_call_stmt_bb_frequency): Update prototype.
2806         (cgraph_materialize_all_clones): New function.
2807         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2808         (ipcp_create_replace_map): Update to VECtors.
2809         (ipcp_update_callgraph): Use virtual clones.
2810         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2811         (ipcp_update_profiling): Do not update local profiling.
2812         (ipcp_insert_stage): Use VECtors and virtual clones.
2813         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2814         (clone_of_p): New function.
2815         (cgraph_preserve_function_body_p): Use clone tree.
2816         (cgraph_optimize): Materialize clones.
2817         (cgraph_function_versioning): Update for VECtors.
2818         (save_inline_function_body): Use clone tree.
2819         (cgraph_materialize_clone): New function.
2820         (cgraph_materialize_all_clones): Likewise.
2821         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2822         * ipa.c: Include gimple.h.
2823         (cgraph_remove_unreachable_nodes): Use clone tree.
2824         * ipa-prop.c (ipa_note_param_call): Update call to
2825         compute_call_stmt_bb_frequencycall.
2826         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2827         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2828         (copy_bb): Handle updating of clone tree; add new edge when new call
2829         appears.
2830         (expand_call_inline): Be strict about every call having edge.
2831         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2832         (delete_unreachable_blocks_update_callgraph): New function.
2833         (tree_function_versioning): Use VECtors; always remove unreachable
2834         blocks and fold conditionals.
2835         * tree-inline.h: Do not include varray.h.
2836         (tree_function_versioning): Remove.
2837         * Makefile.in (GTFILES): Remove tree-inline.c
2838         * passes.c (do_per_function): Do only functions having body.
2839         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2840         tree.
2841
2842 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2843             Andrew Morrow  <acm@google.com>
2844
2845         PR c/36892
2846         * c-common.c (c_common_attribute_table): Permit deprecated
2847         attribute to take an optional argument.
2848         (handle_deprecated_attribute): If the optional argument to
2849         __attribute__((deprecated)) is not a string ignore the attribute
2850         and emit a warning.
2851
2852         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2853         * c-typeck.c (build_component_ref): Likewise.
2854         (build_external_ref): Likewise.
2855
2856         * toplev.c (warn_deprecated_use): Add an attribute argument.
2857         Emit the message associated with __attribute__((deprecated)).
2858
2859         * toplev.h (warn_deprecated_use): Updated.
2860
2861         * doc/extend.texi: Document new optional parameter to
2862         __attribute__((deprecated))
2863
2864 2009-05-08  Michael Eager <eager@eagercon.com>
2865
2866         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2867         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2868
2869 2009-05-08  Richard Guenther  <rguenther@suse.de>
2870
2871         PR tree-optimization/40062
2872         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2873         Avoid exponential behavior.
2874
2875 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2876
2877         PR rtl-optimization/33928
2878         PR 26854
2879         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2880         process_uses, build_single_def_use_links): New.
2881         (update_df): Update use_def_ref.
2882         (forward_propagate_into): Use get_def_for_use instead of use-def
2883         chains.
2884         (fwprop_init): Call build_single_def_use_links and let it initialize
2885         dataflow.
2886         (fwprop_done): Free use_def_ref.
2887         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2888         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2889         df_rd_simulate_one_insn): New.
2890         (df_rd_bb_local_compute_process_def): Update head comment.
2891         (df_chain_create_bb): Use the new RD simulation functions.
2892         * df.h (df_rd_simulate_artificial_defs_at_top, 
2893         df_rd_simulate_one_insn): New.
2894         * opts.c (decode_options): Enable fwprop at -O1.
2895         * doc/invoke.texi (-fforward-propagate): Document this.
2896
2897 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2898
2899         PR c/24581
2900         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2901         and one complex operand specially.
2902         * tree-complex.c (some_nonzerop): Do not identify a real value as
2903         zero if flag_signed_zeros.
2904
2905 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2906
2907         PR rtl-optimization/33928
2908         * loop-invariant.c (record_use): Fix && vs. || mishap.
2909
2910 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2911
2912         PR rtl-optimization/33928
2913         * loop-invariant.c (struct use): Add addr_use_p.
2914         (struct def): Add n_addr_uses.
2915         (struct invariant): Add cheap_address.
2916         (create_new_invariant): Set cheap_address.
2917         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2918         (record_uses): Pass df_ref to record_use.
2919         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2920         used only as such.
2921
2922 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2923
2924         * config/sh/sh.c: Do not include c-pragma.h.
2925
2926 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2927
2928         * config/spu/spu.c: Remove include of c-common.h.
2929
2930 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2931
2932         PR c/39037
2933         * c-common.h (mark_valid_location_for_stdc_pragma,
2934         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2935         clear_float_const_decimal64, float_const_decimal64_p): New.
2936         * c.opt (Wunsuffixed-float-constants): New.
2937         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2938         unsuffixed float constant, handle new warning.
2939         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2940         * c-decl.c (c_scope): New flag float_const_decimal64.
2941         (set_float_const_decimal64, clear_float_const_decimal64,
2942         float_const_decimal64_p): New.
2943         (push_scope): Set new flag.
2944         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2945         to use STDC pragmas.
2946         (c_parser_external_declaration): Ditto.
2947         (c_parser_compound_statement_nostart): Ditto.
2948         * c-pragma.c (valid_location_for_stdc_pragma,
2949         mark_valid_location_for_stdc_pragma,
2950         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2951         handle_pragma_float_const_decimal64): New.
2952         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2953         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2954         set_float_const_decimal64, clear_float_const_decimal64,
2955         float_const_decimal64_p): New dummy functions.
2956         * doc/extend.texi (Decimal Float): Remove statement that the
2957         pragma, and suffix for double constants, are not supported.
2958         * doc/invoke.texi (Warning Options): List new option.
2959         (-Wunsuffixed-float-constants): New.
2960
2961 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2962
2963         * config/i386/i386.c: Do not include c-common.h.
2964
2965 2009-05-07  Mark Heffernan  <meheff@google.com>
2966
2967         * doc/invoke.texi (Debugging Options): Document change of debugging
2968         dump location.
2969         * opts.c (decode_options): Make dump_base_name relative to
2970         aux_base_name directory.
2971
2972 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2973
2974         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2975         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2976
2977 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2978
2979         * Makefile.in (install-plugin): Simplify a bit.
2980
2981 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2982
2983         * Makefile.in (OBJS-common): Add regcprop.o.
2984         (regcprop.o): New.
2985         * timevar.def (TV_CPROP_REGISTERS): New.
2986         * regrename.c (regrename_optimize): Return 0.
2987         (rest_of_handle_regrename): Delete.
2988         (pass_rename_registers): Point to regrename_optimize.
2989         (struct value_data_entry, struct value_data, 
2990         kill_value_one_regno, kill_value_regno, kill_value,
2991         set_value_regno, init_value_data, kill_clobbered_value,
2992         kill_set_value, kill_autoinc_value, copy_value,
2993         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
2994         replace_oldest_value_reg, replace_oldest_value_addr,
2995         replace_oldest_value_mem, copyprop_hardreg_forward_1,
2996         debug_value_data, validate_value_data): Move...
2997         * regcprop.c: ... here.
2998         (rest_of_handle_cprop): Delete.
2999         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
3000
3001 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
3002
3003         PR middle-end/40057
3004         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
3005         GEN_INT for 1 << bitnum.
3006         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
3007         build_int_cst_type.
3008
3009 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
3010
3011         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
3012         Remove wrong description of "nand" operation.
3013
3014 2009-05-06  Richard Guenther  <rguenther@suse.de>
3015             Adam Nemet  <anemet@caviumnetworks.com>
3016
3017         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
3018         comment.  Add that if LHS is not a gimple register, then RHS1 has
3019         to be a single object (GIMPLE_SINGLE_RHS).
3020
3021 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
3022
3023         * expr.c (get_def_for_expr): Move it up in the file.
3024         (store_field): When expanding a bit-field store, look at the
3025         defining gimple stmt for the masking conversion.
3026
3027 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
3028
3029         PR middle-end/39986
3030         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3031         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
3032         32-bit memcpy into long.
3033
3034 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
3035
3036         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
3037         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
3038         new_reg_loc_descr.
3039         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
3040         instead of appending DW_OP_deref*.
3041
3042 2009-05-06  Michael Matz  <matz@suse.de>
3043
3044         PR middle-end/40021
3045         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
3046         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
3047
3048 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
3049
3050         * Makefile.in (install-plugin): Fix srcdir handling.
3051
3052 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
3053
3054         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
3055         when processing for not_regs_needed bitmap.
3056         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
3057         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
3058         handling it for rhs. 
3059
3060 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3061
3062         * config/i386/i386.md (unnamed inc/dec peephole): Use
3063         optimize_insn_for_size_p instead of optimize_size.
3064         * config/i386/predicates.md (incdec_operand): Likewise.
3065         (aligned_operand): Likewise.
3066         * config/i386/sse.md (divv8sf3): Likewise.
3067         (sqrtv8sf2): Likewise.
3068
3069 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3070
3071         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
3072
3073         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
3074
3075 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3076
3077         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
3078         ssemodesuffixf2c with avxmodesuffixf2c.
3079
3080 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
3081
3082         PR c/40032
3083         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
3084
3085 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
3086
3087         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
3088         (struct tree_base): Adjust spacing for 8 bit boundaries.
3089         (struct tree_decl_common): Add decl_by_reference_flag bit.
3090         (DECL_BY_REFERENCE): Adjust.
3091         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
3092         print DECL_BY_REFERENCE bit.
3093         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
3094         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
3095         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
3096         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
3097         unconditionally.
3098
3099         PR middle-end/39666
3100         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
3101         range of the type, but default label is missing, add it with one
3102         of the existing labels instead of adding a new label for it.
3103
3104 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
3105
3106         * dwarf.h: Remove.
3107
3108 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
3109
3110         * Makefile.in (enable_plugin, plugin_includedir): New.
3111         (install): Depend on install-plugin.
3112         (PLUGIN_HEADERS): New.
3113         (install-plugin): New.
3114         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
3115
3116 2009-05-05  Richard Guenther  <rguenther@suse.de>
3117
3118         PR tree-optimization/40022
3119         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
3120         the only vuse.
3121         (phivn_valid_p): Fix tuplification error, simplify.
3122         (phiprop_insert_phi): Add dumps.
3123         (propagate_with_phi): Simplify.
3124
3125 2009-05-05  Richard Guenther  <rguenther@suse.de>
3126
3127         PR middle-end/40023
3128         * builtins.c (gimplify_va_arg_expr): Properly build the address.
3129
3130 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
3131
3132         * tree.h (strip_float_extensions): Remove duplicate declaration.
3133         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
3134         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
3135         block_ultimate_origin): Rearrange the declarations line to match the
3136         comment that indicates the .c file which the functions are defined.
3137         (dwarf2out_*, set_decl_rtl): Add comment.
3138         (get_base_address): Adjust comment.
3139         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
3140         declarations line and add comment.
3141         (is_builtin_name): Add blank after function name, for clarity.
3142
3143 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3144
3145         * attribs.c (decl_attributes): Use %qE for identifiers in
3146         diagnostics.
3147         * cgraphunit.c (verify_cgraph_node): Translate function names to
3148         locale character set in diagnostics.
3149         * coverage.c (get_coverage_counts): Use %qE for identifiers in
3150         diagnostics.
3151         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
3152         Document that functions are named in UTF-8.
3153         * expr.c (expand_expr_real_1): Translate function names to locale
3154         character set in diagnostics.
3155         * gimplify.c (omp_notice_variable, omp_is_private,
3156         gimplify_scan_omp_clauses): Use %qE for identifiers in
3157         diagnostics.
3158         * langhooks.c (lhd_print_error_function): Translate function names
3159         to locale character set.
3160         * langhooks.h (decl_printable_name): Document that return value is
3161         in internal character set.
3162         * stmt.c: Include pretty-print.h
3163         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
3164         diagnostics.
3165         (resolve_operand_name_1): Translate named operand name to locale
3166         character set.
3167         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
3168         diagnostics.
3169         * toplev.c (announce_function): Translate function names to locale
3170         character set.
3171         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
3172         (default_tree_printer): Use pp_identifier or translate identifiers
3173         to locale character set.  Mark "<anonymous>" for translation.
3174         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
3175         for identifiers in diagnostics.
3176         * tree.c (handle_dll_attribute): Use %qE for identifiers in
3177         diagnostics.
3178         * varasm.c (output_constructor): Use %qE for identifiers in
3179         diagnostics.
3180
3181 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
3182
3183         * configure.ac: use ` ` instead of $()
3184         * configure: Regenerate.
3185
3186 2009-05-05  Ben Elliston  <bje@au.ibm.com>
3187
3188         * config/pa/linux-atomic.c: Eliminate conditional include of
3189         errno.h on non-LP64 systems to simplify build requirements.
3190
3191 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3192
3193         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
3194         diagnostics.
3195         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
3196         and pass value to identifier_to_locale.
3197         (warn_variable_length_array): Make name a tree.
3198         (grokdeclarator): Separate diagnostic texts for named and unnamed
3199         declarators.  Use %qE for named declarators.
3200         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
3201         diagnostics.
3202         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
3203         identifiers in diagnostics.
3204         * c-typeck.c (push_member_name, start_init): Pass identifiers to
3205         identifier_to_locale.  Mark "anonymous" strings for translation.
3206
3207 2009-05-04  Michael Eager <eager@eagercon.com>
3208
3209         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
3210         address for DImode/DFmode only if double-precision FP regs.
3211
3212 2009-05-04  Michael Eager <eager@eagercon.com>
3213
3214         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
3215         TARGET_SINGLE_FLOAT check.
3216
3217 2009-05-04  Michael Eager <eager@eagercon.com>
3218
3219         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
3220
3221 2009-05-04  Michael Eager <eager@eagercon.com>
3222
3223         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
3224         * config/rs6000/t-xilinx: New
3225
3226 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
3227
3228         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
3229         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
3230         * gcc/explow.c (memory_address): Use target hook.
3231         * gcc/targhooks.c (default_legitimize_address): New.
3232         * gcc/targhooks.h (default_legitimize_address): New.
3233         * gcc/target.h (legitimize_address): New.
3234         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
3235         (TARGET_INITIALIZER): Include it.
3236         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
3237
3238         * config/bfin/bfin-protos.h (legitimize_address): Remove.
3239         * config/bfin/bfin.c (legitimize_address): Remove.
3240         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
3241         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
3242         Remove.
3243         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
3244         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
3245
3246         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
3247         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
3248         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
3249         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
3250         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
3251         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
3252         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
3253         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
3254         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
3255         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
3256         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
3257         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
3258         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
3259         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
3260         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
3261         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
3262         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
3263         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
3264         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
3265         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
3266         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
3267         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
3268         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
3269
3270         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
3271         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
3272         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
3273         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
3274         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
3275         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
3276         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
3277         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
3278         (thumb_legitimize_address): Delete.
3279         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
3280         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
3281         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
3282         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
3283         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
3284         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
3285         Delete.
3286         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
3287         Delete.
3288
3289         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
3290         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
3291         * config/m32r/m32r.c (m32r_legitimize_address): New.
3292         * config/m68k/m68k.c (m68k_legitimize_address): New.
3293         * config/score/score.c (score_legitimize_address): Standardize.
3294         * config/score/score3.c (score3_legitimize_address): Standardize.
3295         * config/score/score3.h (score3_legitimize_address): Adjust.
3296         * config/score/score7.c (score7_legitimize_address): Standardize.
3297         * config/score/score7.h (score7_legitimize_address): Adjust.
3298         * config/sh/sh.c (sh_legitimize_address): New.
3299         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
3300
3301         * gcc/config/s390/s390.c (legitimize_address): Rename to...
3302         (s390_legitimize_address): ... this.
3303         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
3304         (sparc_legitimize_address): ... this.
3305         * gcc/config/i386/i386.c (legitimize_address): Rename to...
3306         (ix86_legitimize_address): ... this.
3307         * gcc/config/avr/avr.c (legitimize_address): Rename to...
3308         (avr_legitimize_address): ... this.
3309         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
3310         (mn10300_legitimize_address): ... this.
3311         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
3312         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
3313         (alpha_expand_mov): Adjust call.
3314
3315         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
3316         * config/spu/spu.c (spu_legitimize_address): Likewise.
3317         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
3318         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
3319
3320 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3321
3322         * intl.c (locale_encoding, locale_utf8): New.
3323         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
3324         * intl.h (locale_encoding, locale_utf8): Declare.
3325         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
3326         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
3327         New.
3328         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
3329         argument.
3330         (pp_tree_identifier): Define to call pp_base_tree_identifier.
3331         (pp_base_tree_identifier): Declare as function.
3332         (identifier_to_locale): Declare.
3333         * Makefile.in (pretty-print.o): Update dependencies.
3334         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
3335
3336 2009-05-04  Richard Guenther  <rguenther@suse.de>
3337
3338         PR middle-end/40015
3339         * builtins.c (fold_builtin_memory_op): Do not decay to element
3340         type if the size matches the whole array.
3341
3342 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3343
3344         * expmed.c (synth_mult): When trying out a shift, pass the result
3345         of a signed shift.
3346
3347 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3348
3349         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
3350         (shiftsub1_cost): New.
3351         (init_expmed): Compute shiftsub1_cost.
3352         (synth_mult): Optimize multiplications by constants of the form
3353         -(2^^m-1) for some constant positive integer m.
3354
3355 2009-05-03  Richard Guenther  <rguenther@suse.de>
3356
3357         PR c/39983
3358         * c-typeck.c (array_to_pointer_conversion): Do not built
3359         ADDR_EXPRs of arrays of pointer-to-element type.
3360         * c-gimplify.c (c_gimplify_expr): Revert change fixing
3361         up wrong ADDR_EXPRs after-the-fact.
3362         * c-common.c (strict_aliasing_warning): Strip pointer
3363         conversions for obtaining the original type.
3364         * builtins.c (fold_builtin_memset): Handle array types.
3365         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
3366         and array types
3367
3368 2009-05-03  Richard Guenther  <rguenther@suse.de>
3369
3370         PR middle-end/23329
3371         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
3372         Do not lose casts from array types with unknown extent to array
3373         types with known extent.
3374         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
3375         alias set compatibility.
3376
3377 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3378
3379         * flags.h (extra_warnings): Delete.
3380         * toplev.c (process_options): Handle Wuninitialized here.
3381         * opts.c (extra_warnings): Delete.
3382         (set_Wextra): Delete.
3383         (common_handle_option): -Wextra can be handled automatically.
3384         * c-opts.c (c_common_handle_option): Delete obsolete code.
3385         (c_common_post_options): Simplify comment.
3386         * common.opt (W): Add Var.
3387         (Wextra): Add Var.
3388         (Wuninitialized): Initialize to -1.
3389
3390 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
3391             Richard Guenther  <rguenther@suse.de>
3392
3393         * expr.c (get_def_for_expr): New function.
3394         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
3395         SSA rather than trees.
3396         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
3397         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
3398         
3399 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
3400
3401         * c-common.c (reswords): Add _Imaginary.
3402         * c-common.c (enum rid): Add RID_IMAGINARY.
3403
3404 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
3405
3406         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
3407         Patch by Richard Guenther.
3408
3409 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
3410
3411         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
3412         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
3413         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
3414         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
3415         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
3416         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
3417         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
3418         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
3419         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
3420         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
3421         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
3422         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
3423         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
3424         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
3425         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
3426         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
3427         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
3428         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
3429
3430 2009-05-02  Richard Guenther  <rguenther@suse.de>
3431
3432         PR tree-optimization/39940
3433         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
3434         doing so.
3435
3436 2009-05-02  Richard Guenther  <rguenther@suse.de>
3437
3438         PR middle-end/40001
3439         * tree-ssa.c (execute_update_addresses_taken): Properly check
3440         if we can mark a variable DECL_GIMPLE_REG_P.
3441         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
3442         back to the end of the function.
3443         (is_gimple_reg_type): Remove complex type special casing.
3444         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
3445         if not optimizing.
3446
3447 2009-05-02  Ben Elliston  <bje@au.ibm.com>
3448
3449         * doc/collect2.texi (Collect2): Document search path behaviour
3450         when configured with --with-ld.
3451
3452 2009-05-02  Jan Hubicka  <jh@suse.cz>
3453
3454         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
3455         parameter; update callers.
3456         (coalesce_cost_edge): EH edges are costier because they needs
3457         splitting even if not critical and even more costier when there are
3458         multiple EH predecestors.
3459
3460 2009-05-02  Jan Hubicka  <jh@suse.cz>
3461
3462         * except.c (remove_eh_handler_and_replace): Handle updating after
3463         removing TRY blocks.
3464
3465 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3466
3467         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
3468
3469 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3470
3471         * varasm.c: Do not include c-pragma.h.
3472         * attribs.c: Do not incude c-common.h.
3473
3474 2009-05-01  Michael Matz  <matz@suse.de>
3475
3476         * calls.c (initialize_argument_information): Handle SSA names like
3477         decls with a non MEM_P DECL_RTL.
3478
3479 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3480
3481         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
3482         * ipa-utils.c: Likewise.
3483         * ipa-type-escape.c: Likewise.
3484         * cgraphunit.c Do not include c-common.h.
3485         * ipa-pure-const.c: Likewise.
3486         * tree-if-conv.c: Likewise.
3487         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
3488         * ipa-struct-reorg.c: Likewise.
3489         * tree-nomudflap.c: Likewise.
3490         * tree-ssa-structalias.c: Likewise.
3491
3492 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3493
3494         * store-motion.c: Many cleanups to make this pass a first-class
3495         citizen instead of an appendix to gcse load motion.  Add TODO list
3496         to make this pass faster/cleaner/better.
3497
3498         (struct ls_expr): Post gcse.c-split cleanups.
3499         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
3500         "stores" field to "avail_stores".
3501         (pre_ldst_mems): Rename to store_motion_mems.
3502         (pre_ldst_table): Rename to store_motion_mems_table.
3503         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
3504         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
3505         (ldst_entry): Rename to st_expr_entry, update users.
3506         (free_ldst_entry): Rename to free_st_expr_entry, update users.
3507         (free_ldst_mems): Rename to free_store_motion_mems, update users.
3508         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
3509         update caller.
3510         (first_ls_expr): Rename to first_st_expr, update users.
3511         (next_ls_expr): Rename to next_st_expr, update users.
3512         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
3513         fields properly for store motion instead of names inherited from load
3514         motion in gcse.c.
3515         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
3516         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
3517         are done with it.
3518
3519         (ae_kill): Rename to st_kill, update users.
3520         (ae_gen): Rename to st_avloc, update users.
3521         (transp): Rename to st_transp, update users.
3522         (pre_insert_map): Rename to st_insert_map, update users.
3523         (pre_delete_map): Rename to st_delete_map, update users.
3524         (insert_store, build_store_vectors, free_store_memory,
3525         one_store_motion_pass): Update for abovementioned changes.
3526
3527         (gcse_subst_count, gcse_create_count): Remove.
3528         (one_store_motion_pass): New statistics counters "n_stores_deleted"
3529         and "n_stores_created", local variables.
3530
3531         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
3532         use for_each_rtx.
3533
3534         (regvec, compute_store_table_current_insn): Remove.
3535         (reg_set_info, reg_clear_last_set): Remove.
3536         (compute_store_table): Use DF caches instead of local dataflow
3537         solvers.
3538
3539 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
3540
3541         * c-objc-common.c (c_tree_printer): Print identifiers with
3542         pp_identifier, not pp_string.  Mark "({anonymous})" for
3543         translation.
3544         * c-pretty-print.c (pp_c_ws_string): New.
3545         (pp_c_cv_qualifier, pp_c_type_specifier,
3546         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
3547         pp_c_storage_class_specifier, pp_c_function_specifier,
3548         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
3549         pp_c_primary_expression, pp_c_postfix_expression,
3550         pp_c_unary_expression, pp_c_shift_expression,
3551         pp_c_relational_expression, pp_c_equality_expression,
3552         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
3553         use pp_string and pp_c_ws_string in place of pp_identifier and
3554         pp_c_identifier for non-identifiers.  Mark English strings for
3555         translation.
3556         * c-pretty-print.h (pp_c_ws_string): Declare.
3557
3558 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
3559             Roland McGrath <roland@redhat.com>
3560
3561         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
3562         (ENABLE_LD_BUILDID): New configuration option.
3563         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
3564         (LINK_BUILDID_SPEC): New macro.
3565         (init_spec): If defined, prepend it between LINK_EH_SPEC and
3566         link_spec.
3567         * doc/install.texi: Document --enable-linker-build-id option.
3568         * configure: Rebuild.
3569         * config.in: Rebuild.
3570
3571 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
3572
3573         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
3574         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
3575         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
3576         MIPS_GP_SAVE_AREA_SIZE.
3577         * config/mips/mips.c (struct mips_frame_info): Update comment
3578         before arg_pointer_offset and hard_frame_pointer_offset.
3579         (mips_compute_frame_info): Update diagram before function: to
3580         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
3581         indicate the position of frame_pointer_rtx with -fstack-protector and
3582         to show args_size.  Don't allocate cprestore area for leaf functions
3583         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
3584         cprestore_size.
3585         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
3586
3587 2009-04-30  Michael Matz  <matz@suse.de>
3588
3589         PR tree-optimization/39955
3590         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
3591
3592 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3593
3594         * ira.c (setup_cover_and_important_classes):  Use safe macro
3595         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
3596         directly.
3597         * genpreds.c (write_tm_preds_h):  Output suitable definition of
3598         REG_CLASS_FOR_CONSTRAINT.
3599
3600 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3601
3602         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
3603         instead of an int.
3604         * bitmap.c (bitmap_descriptor): Likewise.
3605         * ggc-common.c (loc_descriptor): Likewise.
3606         * varray.c (varray_descriptor): Likewise.
3607         * vec.c (vec_descriptor): Likewise.
3608
3609 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3610
3611         * Makefile.in (dce.o): Add $(EXCEPT_H).
3612         * dce.c: Include except.h and delete redundant vector definitions.
3613         (deletable_insn_p): Return false for non-call insns that can throw
3614         if DF is running.
3615
3616 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3617
3618         * gcse.c (ae_gen): Remove.
3619         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
3620         and make non-static function to make it available in store-motion.c.
3621         Update call sites with search-and-replace.
3622         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
3623         extract_mentioned_regs, extract_mentioned_regs_helper,
3624         find_moveable_store, compute_store_table, load_kills_store, find_loads,
3625         store_killed_in_insn, store_killed_after, store_killed_before,
3626         build_store_vectors, insert_insn_start_basic_block, insert-store,
3627         remove_reachable_equiv_notes, replace_store_insn, delete_store,
3628         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
3629         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
3630         * store-motion.c: ...new file.  Also copy data structures from gcse.c
3631         and clean up to remove parts not used by store motion.
3632         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
3633         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
3634
3635 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3636
3637         PR target/38571
3638         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
3639         when optimizing for size.
3640
3641 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
3642
3643         * gcse.c (gcse_constant_p): Fix typo in last change.
3644
3645 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3646
3647         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
3648
3649 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3650
3651         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
3652
3653 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
3654
3655         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
3656         CONST_HIGH_PART result.
3657
3658 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
3659
3660         * config/avr/avr.c (initial_elimination_offset): Rename to
3661         avr_initial_elimination_offset.
3662         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
3663         change return type to bool.
3664         (avr_can_eliminate): New function.
3665         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
3666         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
3667         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
3668         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
3669         avr_initial_elimination_offset.
3670         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
3671         (avr_initial_elimination_offset): Define.
3672
3673 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
3674             Steven Bosscher  <steven@gcc.gnu.org>
3675
3676         PR rtl-optimization/39938
3677         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
3678         * cfgrtl.c: Include insn-attr.h.
3679         (rest_of_pass_free_cfg): New function.
3680         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
3681         * resource.c (init_resource_info): Remove call to df_analyze.
3682
3683 2009-04-29  Richard Guenther  <rguenther@suse.de>
3684
3685         PR target/39943
3686         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
3687         allow conversion to signed integers.
3688
3689 2009-04-29  Richard Guenther  <rguenther@suse.de>
3690
3691         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
3692         shifts of floating point vectors if the shift amount is
3693         a constant multiple of the element size.
3694
3695 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3696             Michael Matz  <matz@suse.de>
3697
3698         PR middle-end/39927
3699         PR bootstrap/39929
3700         * tree-outof-ssa.c (emit_partition_copy): New function.
3701         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3702         insert_part_to_rtx_on_edge): Perform the partition base var
3703         copy using emit_partition_copy.
3704         (insert_value_copy_on_edge): Convert constants to the right mode.
3705         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
3706         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
3707
3708 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3709
3710         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
3711         scan backwards to try to find a constant to initialize it.
3712
3713         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
3714         insn before the loop_end instruction, don't look past labels.
3715
3716 2009-04-29  Richard Guenther  <rguenther@suse.de>
3717
3718         PR middle-end/39937
3719         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3720         loose type conversions.
3721         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
3722         stmts only if there are no uses of its definition.
3723
3724 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3725
3726         * config/bfin/bfin.h (splitting_loops): Declare.
3727         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
3728         Reorder bit definitions to be ascending.
3729         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
3730         * config/bfin/bfin.c (splitting_loops): New variable.
3731         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
3732         (struct loop_info): Remove members INIT and LOOP_INIT.
3733         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
3734         the LSETUP sequence.  Allow LC to be loaded from any register, but
3735         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
3736         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
3737         set to 1.
3738         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
3739         of reload_completed.
3740
3741         From Jie Zhang:
3742         * config/bfin/bfin.md (movsi_insn): Refine constraints.
3743
3744 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
3745
3746         * Makefile.in (PLUGIN_VERSION_H): New.
3747         (OBJS-common): Remove plugin-version.o.
3748         (plugin.o): Depend on (PLUGIN_VERSION_H).
3749         (plugin-version.o): Remove.
3750         * configure: Regenerate
3751         * configure.ac: Create plugin-version.h.
3752         * gcc-plugin.h (plugin_gcc_version): Remove.
3753         (plugin_default_version_check): Change signature.
3754         * plugin-version.c: Remove.
3755         * plugin.c: Include plugin-version.h.
3756         (str_plugin_gcc_version_name): Remove.
3757         (try_init_one_plugin): Pass gcc version to plugin_init.
3758         (plugin_default_version_check): Both gcc and plugin versions are now
3759         arguments.
3760
3761 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3762         
3763         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3764         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3765         Remove special case testing for last insn of inner loops. Don't fail
3766         if the loop ends with a jump, emit an extra nop instead.
3767
3768         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3769         DREGS rather than comparing directly.  Remove code that tries to
3770         account for latencies.
3771
3772 2009-04-29  Richard Guenther  <rguenther@suse.de>
3773
3774         PR tree-optimization/39941
3775         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3776         eliminating an indirect call.
3777
3778 2009-04-29  Richard Guenther  <rguenther@suse.de>
3779
3780         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3781         parameter.  Allow invariants as base if !require_lvalue.
3782         (verify_gimple_assign_single): Adjust.
3783
3784 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3785
3786         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3787         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3788         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3789         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3790         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3791         a VEC_SELECT.
3792         * config/bfin/bfin.c (bfin_expand_builtin,
3793         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3794
3795 2009-04-28  Richard Guenther  <rguenther@suse.de>
3796
3797         * tree-vect-loop.c (get_initial_def_for_induction): Use
3798         correct types for pointer increment.
3799
3800 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3801
3802         * toplev.c (print_version): Update GMP version string calculation.
3803
3804 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3805
3806         PR rtl-optimization/39938
3807         * resource.c (init_resource_info): Add call to df_analyze.
3808
3809 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3810
3811         * config/alpha/alpha.md (usegp): Cast the result of
3812         alpha_find_lo_sum_using_gp to enum attr_usegp.
3813         * config/alpha/alpha.c (override_options): Remove end-of-structure
3814         marker element from cpu_table.  Use array size of cpu_table to handle
3815         -mcpu and -mtune options.
3816         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3817
3818 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3819
3820         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3821         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3822         tune_32 and tune_64.
3823         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3824         support on PowerPC.
3825         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3826         * config/rs6000/option-defaults.h: ... here.  New file.
3827         (OPT_64, OPT_32): Define.
3828         (MASK_64BIT): Define to 0 if not already defined.
3829         (OPT_ARCH64, OPT_ARCH32): Define.
3830         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3831         and tune_64.
3832
3833 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3834
3835         * config/arm/arm.c (arm_override_options): Emit error on using
3836         fpa with AAPCS.
3837
3838 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3839
3840         PR rtl-optimization/39914
3841         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3842         registers for allocnos created from user-defined variables only
3843         when not optimizing.
3844
3845 2009-04-28  Richard Guenther  <rguenther@suse.de>
3846
3847         PR middle-end/39937
3848         * fold-const.c (fold_binary): Use distribute_real_division only
3849         on float types.
3850
3851 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3852
3853         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3854         add hpux-stdint.h to tm_file.
3855         (hppa[12]*-*-hpux11*): Ditto.
3856         (ia64*-*-hpux*): Ditto.
3857         * config/hpux-stdint.h: New.
3858         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3859         __STDC_EXT__ for all compiles.
3860         * config/pa/pa-hpux.h: Ditto.
3861         * config/pa/pa-hpux10.h: Ditto.
3862         * config/pa/pa-hpux11.h: Ditto.
3863
3864 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3865
3866         * debug.h (set_name): Add comment.
3867
3868 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3869
3870         PR target/39929
3871         * config/darwin.c (machopic_gen_offset): Check
3872         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3873         * config/arm/arm.c (require_pic_register): Likewise.
3874
3875 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3876
3877         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3878         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3879         m32c_promote_prototypes): Delete.
3880
3881 2009-04-28  Michael Matz  <matz@suse.de>
3882
3883         PR middle-end/39922
3884         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3885         constants.
3886
3887 2009-04-28  Richard Guenther  <rguenther@suse.de>
3888
3889         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3890
3891 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3892
3893         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3894         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3895         * config/arm/arm-tune.md: Regenerate.
3896
3897 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3898
3899         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3900         block if there are complex incoming edges.
3901         (sel_merge_blocks): Remove useless assert.
3902         (sel_redirect_edge_and_branch): Check that edge was redirected.
3903         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3904         (sel_find_rgns): Delete declaration.
3905         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3906         the region when it is not a preheader.
3907
3908 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3909
3910         PR c/39323
3911         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3912
3913 2009-04-28  Richard Guenther  <rguenther@suse.de>
3914
3915         * tree.h (SSA_NAME_VALUE): Remove.
3916         (struct tree_ssa_name): Remove value_handle member.
3917         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3918         array for jump threading.
3919         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3920         SSA_NAME_VALUEs.
3921         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3922         * tree-flow.h (threadedge_initialize_values): Declare.
3923         (threadedge_finalize_values): Likewise.
3924         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3925         (SSA_NAME_VALUE): Define.
3926         (threadedge_initialize_values): New function.
3927         (threadedge_finalize_values): Likewise.
3928         * tree-ssa-dom.c (ssa_name_values): New global variable.
3929         (SSA_NAME_VALUE): Define.
3930         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3931
3932 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3933
3934         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3935         Use REPORT_VECTORIZED_LOCATIONS instead 
3936         REPORT_VECTORIZED_LOOPS.
3937         * tree-vectorizer.c (vect_verbosity_level): Make static.
3938         (vect_loop_location): Rename to vect_location.
3939         (vect_set_verbosity_level): Update comment.
3940         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3941         and vect_location.
3942         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3943         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3944         instead REPORT_UNVECTORIZED_LOOPS.
3945         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3946         and vect_loop_def to vect_external_def and vect_internal_def.
3947         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3948         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3949         REPORT_UNVECTORIZED_LOCATIONS.
3950         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3951         and vect_used_in_loop and to vect_unused_in_scope and 
3952         vect_used_in_scope.
3953         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3954         (vect_verbosity_level): Remove declaration.
3955         (vect_analyze_operations): Likewise.
3956         (vect_analyze_stmt): Declare.
3957         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3958         REPORT_UNVECTORIZED_LOCATIONS.
3959         (vect_get_loop_niters): Fix indentation.
3960         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3961         (vect_analyze_loop_operations): New function.
3962         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3963         vect_analyze_operations.
3964         (vect_is_simple_reduction): Use new names.
3965         (vectorizable_live_operation, vect_transform_loop): Likewise.
3966         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3967         to specify whether the data references can be a part of interleaving
3968         chain.
3969         (vect_analyze_data_ref_dependence): Use new names.
3970         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3971         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3972         * tree-vect-patterns.c (widened_name_p): Use new names.
3973         (vect_recog_dot_prod_pattern): Likewise.
3974         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3975         (process_use, vect_mark_stmts_to_be_vectorized, 
3976         vect_model_simple_cost, vect_model_store_cost,
3977         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3978         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3979         vectorizable_operation, vectorizable_type_demotion,
3980         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3981         vectorizable_condition): Likewise.
3982         (vect_analyze_operations): Split into vect_analyze_loop_operations
3983         and ...
3984         (vect_analyze_stmt): ... new function.
3985         (new_stmt_vec_info): Use new names.
3986         (vect_is_simple_use): Use new names and fix comment.
3987         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
3988         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
3989
3990 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3991
3992         PR target/39911
3993         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
3994         and integer modes for x87 operands.  Do not ICE for unsupported size,
3995         generate error instead.  Generate error for unsupported operand types.
3996         ['z']: Do not handle HImode memory operands specially.  Warning
3997         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3998         types.  Do not ICE for unsupported size, generate error instead.
3999         (output_387_binary_op): Use %Z to output operands.
4000         (output_fp_compare): Ditto.
4001         (output_387_reg_move): Ditto.
4002
4003 2009-04-28  Ben Elliston  <bje@au.ibm.com>
4004
4005         PR c++/35652
4006         Revert:
4007
4008         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4009
4010         * builtins.c (c_strlen): Do not warn here.
4011         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4012         * c-common.c (pointer_int_sum): Take an explicit location.
4013         Warn about offsets out of bounds.
4014         * c-common.h (pointer_int_sum): Adjust declaration.
4015
4016 2009-04-27  Ian Lance Taylor  <iant@google.com>
4017
4018         * collect2.c (is_ctor_dtor): Change type of ret field in struct
4019         names to symkind.
4020         * dce.c (run_fast_df_dce): Change type of old_flags to int.
4021         * df-core.c (df_set_flags): Change return type to int.  Change
4022         type of old_flags to int.
4023         (df_clear_flags): Likewise.
4024         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
4025         (df_get_conditional_uses): Likewise.
4026         * df.h (df_set_flags, df_clear_flags): Update declarations.
4027         * dwarf2out.c (struct indirect_string_node): Change type of form
4028         field to enum dwarf_form.
4029         (AT_string_form): Change return type to enum dwarf_form.
4030         * fixed-value.c (fixed_compare): Add cast to enum type.
4031         * fwprop.c (update_df): Change 0 to VOIDmode.
4032         * gensupport.c: Change 0 to UNKNOWN.
4033         * gimple.h (gimple_cond_code): Add cast to enum type.
4034         * haifa-sched.c (reemit_notes): Add cast to enum type.
4035         * hooks.c (hook_int_void_no_regs): Remove function.
4036         * hooks.h (hook_int_void_no_regs): Remove declaration.
4037         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
4038         * predict.c (combine_predictions_for_insn): Add casts to enum type.
4039         * real.c (real_arithmetic): Add cast to enum type.
4040         (real_compare): Likewise.
4041         * target.h (struct gcc_target): Change return type of
4042         branch_target_register_class to enum reg_class.
4043         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
4044         default_branch_target_register_class.
4045         * targhooks.c (default_branch_target_register_class): New function.
4046         * targhooks.h (default_branch_target_register_class): Declare.
4047         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
4048         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
4049         cast to int.
4050         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
4051         ERROR_MARK.
4052         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
4053         vect_uninitialized_def.  Change 0 to ERROR_MARK.
4054         * tree-vect-stmts.c (supportable_widening_operation): Don't
4055         initialize icode1 and icode2.
4056         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
4057         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
4058         and to STD_C89.
4059         (cmn_err_flag_specs): Change 0 to STD_C89.
4060         (cmn_err_char_table): Likewise.
4061         * config/arm/arm.c (get_arm_condition_code): Change type of code
4062         to enum arm_cond_code.
4063         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
4064         (IWMMXT_BUILTIN2): Likewise.
4065         (neon_builtin_type_bits): Don't define typedef.
4066         (neon_builtin_datum): Change type of bits field to int.
4067         (arm_expand_neon_args): Add cast to enum type.
4068         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
4069         TLS_MODEL_NONE.
4070         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
4071         casts to enum type.
4072         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
4073         MIPS_FP_COND_f.
4074         * config/mips/mips.md (jal_macro): Return enum constant.
4075         (single_insn): Likewise.
4076         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
4077         CODE_FOR_nothing.
4078         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4079         casts to enum type.
4080         * config/s390/s390.c (s390_tune_flags): Change type to int.
4081         (s390_arch_flags): Likewise.
4082         (s390_handle_arch_option): Change flags field of struct pta to int.
4083         * config/s390/s390.h (s390_tune_flags): Update declaration.
4084         (s390_arch_flags): Likewise.
4085         * config/sh/sh.c (prepare_move_operands): Compare
4086         tls_symbolic_operand result with enum constant.
4087         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
4088         (sh_expand_prologue): Add cast to enum type.
4089         (sh_expand_epilogue): Likewise.
4090         (tls_symbolic_operand): Change return type to enum tls_model.
4091         (fpscr_set_from_mem): Add cast to enum type.
4092         (legitimize_pic_address): Compare tls_symbolic_operand result with
4093         enum constant.
4094         (sh_target_reg_class): Change return type to enum reg_class.
4095         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
4096         PROCESSOR_xxx.
4097         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
4098         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
4099         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
4100         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
4101         (delayed_branch, tls_call_delay): Likewise.
4102         (eligible_for_sibcall_delay): Likewise.
4103         (eligible_for_return_delay): Likewise. 
4104         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
4105         (spu_expand_builtin_1): Likewise.
4106
4107         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
4108         for all types of conversions.
4109         (output_init_element): Issue -Wc++-compat warning if needed when
4110         initializing a bitfield with enum type.
4111         * c-parser.c (c_parser_expression): Set original_type to
4112         original_type of right hand operand of comman operator.
4113
4114 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4115
4116         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
4117         grammar nits.
4118         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
4119         * doc/cpp.texi (Standard Predefined Macros)
4120         (Implementation-defined behavior): Likewise.
4121         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
4122         * doc/gimple.texi (GIMPLE Exception Handling)
4123         (@code{GIMPLE_ASSIGN}): Likewise.
4124         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
4125         * doc/invoke.texi (Warning Options, Optimize Options)
4126         (AVR Options, Darwin Options): Likewise.
4127         (Optimize Options): Reformulate -fwhole-program description.
4128         * doc/loop.texi (Lambda): Likewise.
4129         * doc/md.texi (Output Template, Define Constraints)
4130         (Standard Names, Insn Splitting): Likewise.
4131         * doc/options.texi (Option properties): Likewise.
4132         * doc/passes.texi (Tree-SSA passes): Likewise.
4133         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
4134         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
4135         (File Names and DBX): Likewise.
4136         * doc/trouble.texi (Incompatibilities): Likewise.
4137
4138 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4139
4140         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
4141         instruction is correct.
4142
4143 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4144
4145         Allow non-constant arguments to conversion intrinsics.
4146         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
4147         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
4148         * spu.c (print_operand): Handle 'v' and 'w'.
4149         (exp2_immediate_p, spu_gen_exp2): Define.
4150         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
4151         spu_convtf_1): Update parameter descriptions.
4152         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
4153         * constraints.md ('v', 'w'): New.
4154         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
4155         Remove.
4156         (i2f, I2F): New define_mode_attr.
4157         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
4158         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
4159         fixuns_truncv4sfv4si2):  Update to use mode attribute.
4160         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
4161         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
4162         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
4163         patterns for combine.
4164
4165 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
4166
4167         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
4168         (cprop, hoist, pre, store_motion): New debug counters.
4169         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
4170         is not an RTL pass anymore.
4171         (pass_profiling): Remove extern decl for pass removed in 2005.
4172         (pass_gcse, pass_jump_bypass): Remove.
4173         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
4174         to 0 for clean state.
4175         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
4176         * cse.c (gate_handle_cse_after_global_opts,
4177         rest_of_handle_cse_after_global_opts): New functions.
4178         (pass_cse_after_global_opts): New pass, does local CSE.
4179         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
4180         (TV_CPROP): New timevar.
4181         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
4182         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
4183         (gcse_main, recompute_all_luids): Remove.
4184         (compute_hash_table_work): Call max_reg_num instead of reading
4185         max_gcse_regno.
4186         (cprop_jump): Don't set run_jump_opt_after_gcse.
4187         (constprop_register): Always allow to alter jumps.
4188         (cprop_insn): Likewise.
4189         (do_local_cprop): Likewise.
4190         (local_cprop_pass): Likewise.  Return non-zero if something changed.
4191         (cprop): Remove function, fold interesting bits into one_cprop_pass.
4192         (find_implicit_sets): Add note about missed optimization opportunity.
4193         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
4194         pass_rtl_cprop execute function.
4195         Don't bother tracking the pass number, each pass gets its own dumpfile
4196         now anyway.
4197         Always allow to alter jumpsand bypass jumps.
4198         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
4199         will just find no suitable set.
4200         (pre_edge_insert): Fix dumping, this function is for PRE only.
4201         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
4202         pass_rtl_pre execute function.
4203         (hoist_code): Return non-zero if something changed.  Keep track of
4204         substitutions and insertions for statistics gathering similar to PRE.
4205         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
4206         called from the pass_rtl_hoist execute function.  Show pass statistics.
4207         (compute_store_table): Use max_reg_num directly instead of using the
4208         formerly global max_gcse_regno.
4209         (build_store_vectors): Likewise.
4210         (replace_store_insn): Fix dumping.
4211         (store_motion): Rename to ...
4212         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
4213         pass, called from the pass_rtl_store_motion execute function.  Keep
4214         track of substitutions and insertions for statistics gathering similar
4215         to PRE.
4216         (bypass_jumps): Remove, fold interesting bits into ...
4217         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
4218         from the pass_rtl_cprop execute function.
4219         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4220         pass_jump_bypass): Remove.
4221         (gate_handle_gcse, rest_of_handle_gcse): Remove.
4222         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
4223         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
4224         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
4225         (gate_rtl_store_motion, execute_rtl_store_motion,
4226         pass_rtl_store_motion): New.
4227         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
4228         make it clear that -fcse-skip-blocks is a no-op for backward compat.
4229         * passes.c (init_optimization_passes): Remove pass_gcse and
4230         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
4231         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
4232         instead of pass_jump_bypass.
4233
4234 2009-04-27  Richard Guenther  <rguenther@suse.de>
4235
4236         PR middle-end/39928
4237         * gimplify.c (gimplify_expr): If we are required to create
4238         a temporary make sure it ends up as register.
4239
4240 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4241
4242         PR target/39903
4243         * config/i386/i386.c (construct_container): Don't call
4244         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
4245         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
4246
4247 2009-04-27  Michael Matz  <matz@suse.de>
4248
4249         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
4250         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
4251         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
4252         (dump_replaceable_exprs): Take a bitmap.
4253         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
4254         array.
4255         (expand_gimple_basic_block): Likewise.
4256         * tree-ssa-ter.c (struct temp_expr_table_d): Make
4257         replaceable_expressions member a bitmap.
4258         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
4259         (mark_replaceable): Likewise.
4260         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
4261         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
4262
4263 2009-04-27  Richard Guenther  <rguenther@suse.de>
4264
4265         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
4266         (verify_stmts): Dispatch to gimple/type verification code.
4267         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
4268         issue with call argument types.
4269
4270 2009-04-27  Michael Matz  <matz@suse.de>
4271
4272         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
4273         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
4274         to above.
4275
4276 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
4277             Eric Botcazou  <ebotcazou@adacore.com>
4278
4279         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
4280         a label's basic block.
4281         (mark_target_live_regs): Tidy and rework obsolete comments.
4282         Change back DF problem to LIVE.  If a label starts a basic block,
4283         assume that all registers that used to be live then still are.
4284         (init_resource_info): If a label starts a basic block, set its
4285         BLOCK_FOR_INSN accordingly.
4286         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
4287
4288 2009-04-27  Richard Guenther  <rguenther@suse.de>
4289
4290         * tree-flow-inline.h (function_ann): Remove.
4291         (get_function_ann): Likewise.
4292         * tree-dfa.c (create_function_ann): Remove.
4293         * tree-flow.h (struct static_var_ann_d): Remove.
4294         (struct function_ann_d): Likewise.
4295         (union tree_ann_d): Remove fdecl member.
4296         (function_ann_t): Remove.
4297         (function_ann, get_function_ann, create_function_ann): Remove
4298         declarations.
4299
4300 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
4301
4302         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
4303
4304 2009-04-27  Jan Hubicka  <jh@suse.cz>
4305
4306         * ipa-pure-const.c (struct funct_state_d): New fields
4307         state_previously_known, looping_previously_known; remove
4308         state_set_in_source.
4309         (analyze_function): Use new fields.
4310         (propagate): Avoid assumption that state_set_in_source imply
4311         nonlooping.
4312
4313         * tree-ssa-loop-niter.c (finite_loop_p): New function.
4314         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
4315         * cfgloop.h (finite_loop_p): Declare.
4316
4317 2009-04-26  Michael Matz  <matz@suse.de>
4318
4319         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
4320
4321 2009-04-26  Michael Matz  <matz@suse.de>
4322
4323         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
4324         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
4325         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
4326         pass_mark_used_blocks): Remove.
4327         * tree-optimize.c (pass_free_datastructures,
4328         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
4329         * passes.c (init_optimization_passes): Don't call
4330         pass_mark_used_blocks, remove dead code.
4331
4332 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
4333
4334         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
4335         * tree-ssa-live.h (register_ssa_partition): Likewise.
4336
4337 2009-04-26  Michael Matz  <matz@suse.de>
4338
4339         Expand from SSA.
4340         * builtins.c (fold_builtin_next_arg): Handle SSA names.
4341         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
4342         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
4343         SSA names. 
4344         (compare_pairs): Swap cost comparison.
4345         (coalesce_ssa_name): Don't use change_partition_var.
4346         * tree-nrv.c (struct nrv_data): Add modified member.
4347         (finalize_nrv_r): Set it.
4348         (tree_nrv): Use it to update statements.
4349         (pass_nrv): Require PROP_ssa.
4350         * tree-mudflap.c (mf_decl_cache_locals,
4351         mf_build_check_statement_for): Use make_rename_temp.
4352         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
4353         * alias.c (find_base_decl): Handle SSA names.
4354         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
4355         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
4356         * rtl.h (set_reg_attrs_for_parm): Declare.
4357         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
4358         to "optimized", remove unused locals at finish.
4359         (execute_free_datastructures): Make global, call
4360         delete_tree_cfg_annotations.
4361         (execute_free_cfg_annotations): Don't call
4362         delete_tree_cfg_annotations.
4363
4364         * ssaexpand.h: New file.
4365         * expr.c (toplevel): Include ssaexpand.h.
4366         (expand_assignment): Handle SSA names the same as register variables.
4367         (expand_expr_real_1): Expand SSA names.
4368         * cfgexpand.c (toplevel): Include ssaexpand.h.
4369         (SA): New global variable.
4370         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
4371         (SSAVAR): New macro.
4372         (set_rtl): New helper function.
4373         (add_stack_var): Deal with SSA names, use set_rtl.
4374         (expand_one_stack_var_at): Likewise.
4375         (expand_one_stack_var): Deal with SSA names.
4376         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
4377         before unique numbers.
4378         (expand_stack_vars): Use set_rtl.
4379         (expand_one_var): Accept SSA names, add asserts for them, feed them
4380         to above subroutines.
4381         (expand_used_vars): Expand all partitions (without default defs),
4382         then only the local decls (ignoring those expanded already).
4383         (expand_gimple_cond): Remove edges when jumpif() expands an
4384         unconditional jump.
4385         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
4386         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
4387         SSA name.
4388         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
4389         members of SA; deal with PARM_DECL partitions here; expand
4390         all PHI nodes, free tree datastructures and SA.  Commit instructions
4391         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
4392         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
4393         info and statements at start, collect garbage at finish.
4394         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
4395         (VAR_ANN_PARTITION) Remove.
4396         (change_partition_var): Don't declare.
4397         (partition_to_var): Always return SSA names.
4398         (var_to_partition): Only accept SSA names.
4399         (register_ssa_partition): Only check argument.
4400         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
4401         member.
4402         (delete_var_map): Don't free it.
4403         (var_union): Only accept SSA names, simplify.
4404         (partition_view_init): Mark only useful SSA names as used.
4405         (partition_view_fini): Only deal with SSA names.
4406         (change_partition_var): Remove.
4407         (dump_var_map): Use ssa_name instead of partition_to_var member.
4408         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
4409         basic blocks.
4410         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
4411         (struct _elim_graph): New member const_dests; nodes member vector of
4412         ints.
4413         (set_location_for_edge): New static helper.
4414         (create_temp): Remove.
4415         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
4416         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
4417         (new_elim_graph): Allocate const_dests member.
4418         (clean_elim_graph): Truncate const_dests member.
4419         (delete_elim_graph): Free const_dests member.
4420         (elim_graph_size): Adapt to new type of nodes member.
4421         (elim_graph_add_node): Likewise.
4422         (eliminate_name): Likewise.
4423         (eliminate_build): Don't take basic block argument, deal only with
4424         partition numbers, not variables.
4425         (get_temp_reg): New static helper.
4426         (elim_create): Use it, deal with RTL temporaries instead of trees.
4427         (eliminate_phi): Adjust all calls to new signature.
4428         (assign_vars, replace_use_variable, replace_def_variable): Remove.
4429         (rewrite_trees): Only do checking.
4430         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
4431         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
4432         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
4433         contains_tree_r, MAX_STMTS_IN_LATCH,
4434         process_single_block_loop_latch, analyze_edges_for_bb,
4435         perform_edge_inserts): Remove.
4436         (expand_phi_nodes): New global function.
4437         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
4438         functions, initialize new parameter, remember partitions having a
4439         default def.
4440         (finish_out_of_ssa): New global function.
4441         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
4442         don't reset in_ssa_p here, don't disable TER when mudflap.
4443         (pass_del_ssa): Remove.
4444         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
4445         partition members.
4446         (execute_free_datastructures): Declare.
4447         * Makefile.in (SSAEXPAND_H): New variable.
4448         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
4449         * basic-block.h (commit_one_edge_insertion): Declare.
4450         * passes.c (init_optimization_passes): Move pass_nrv and
4451         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
4452         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
4453         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
4454         (redirect_branch_edge): Deal with super block when expanding, split
4455         out jump patching itself into ...
4456         (patch_jump_insn): ... here, new static helper.
4457
4458 2009-04-26  Michael Matz  <matz@suse.de>
4459
4460         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
4461         beyond num_ssa_names.
4462         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
4463         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4464
4465 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4466
4467         PR inline-asm/39543
4468         * fwprop.c (forward_propagate_asm): New function.
4469         (forward_propagate_and_simplify): Propagate also into __asm, if it
4470         doesn't increase the number of referenced registers.
4471
4472         PR c/39889
4473         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
4474
4475 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4476
4477         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
4478         note_nonlocal_vla_type for nonlocal VLAs.
4479         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
4480         contains_remapped_vars, remap_vla_decls): New functions.
4481         (convert_nonlocal_reference_stmt): If not optimizing, call
4482         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
4483         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
4484         if it wasn't found in var_map.
4485         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
4486         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
4487         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
4488         declare_vars.
4489         * gimplify.c (nonlocal_vlas): New variable.
4490         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
4491         referenced VLAs.
4492         (gimplify_body): Create and destroy nonlocal_vlas.
4493
4494         * dwarf2out.c (loc_descr_plus_const): New function.
4495         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
4496         mem_loc_descriptor, loc_descriptor_from_tree_1,
4497         descr_info_loc, gen_variable_die): Use it.
4498
4499         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
4500         !TREE_STATIC VAR_DECLs.
4501         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
4502         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
4503         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
4504         DECL_BY_REFERENCE is valid.
4505         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
4506         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
4507         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
4508         Copy DECL_BY_REFERENCE.
4509         (struct nesting_copy_body_data): New type.
4510         (nesting_copy_decl): New function.
4511         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
4512         if they have variable length.
4513
4514 2009-04-26  Michael Matz  <matz@suse.de>
4515
4516         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
4517         mark new temporaries for renaming.
4518
4519 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4520
4521         PR c/39581
4522         * c-decl.c (global_bindings_p): Return negative value.
4523         (c_variable_size): New.  Based on variable_size from
4524         stor-layout.c.
4525         (grokdeclarator): Call c_variable_size not variable_size.
4526
4527 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
4528
4529         * config/i386/i386.c (print_operand) ['z']: Fix typo.
4530
4531 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
4532
4533         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
4534         Redefine it to just use mingw/include.
4535         (ASM_SPEC): Rules for -m32 and -m64.
4536         (LINK_SPEC): Use Likewise.
4537         (SPEC_32): New define.
4538         (SPEC_64): Likewise.
4539         (SUB_LINK_SPEC): Likewise.
4540         (MULTILIB_DEFAULTS): New define.
4541         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
4542         Add multilib options.
4543         (MULTILIB_DIRNAMES): Likewise.
4544         (MULTILIB_OSDIRNAMES): Likewise.
4545         (LIBGCC): Likewise.
4546         (INSTALL_LIBGCC): Likewise.
4547
4548 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4549
4550         PR c/39556
4551         * c-tree.h (enum c_inline_static_type): New.
4552         (record_inline_static): Declare.
4553         * c-decl.c (struct c_inline_static, c_inline_statics,
4554         record_inline_static, check_inline_statics): New.
4555         (pop_file_scope): Call check_inline_statics.
4556         (start_decl): Call record_inline_static instead of pedwarning
4557         directly for static in inline function.
4558         * c-typeck.c (build_external_ref): Call record_inline_static
4559         instead of pedwarning directly for static referenced in inline
4560         function.
4561
4562 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
4563
4564         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
4565         not new but only being rescanned.
4566         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
4567         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
4568         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
4569         record_set_info, compute_set, grealloc): Remove.
4570         (recompute_all_luids): New function.
4571         (gcse_main): Don't compute sets, and don't do related memory
4572         allocations/free-ing.  If something changed before the end of the
4573         pass, update LUIDs using recompute_all_luids.
4574         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
4575         (free_gcse_mem): Don't free it either.
4576         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
4577         Use the df insn LUIDs.
4578         (load_killed_in_block): Likewise.
4579         (compute_hash_table_work): Don't compute reg_set_in_block.
4580         (compute_transp): Use DF_REG_DEF_CHAINs.
4581         (local_cprop_pass): Don't use compute_sets and related functions.
4582         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
4583         Use get_max_uid() instead of max_cuid.
4584         (insert_insn_end_basic_block, pre_insert_copy_insn,
4585         update_ld_motion_stores): Don't try to
4586         keep reg_set tables up to date.
4587         (pre_insert_copies): Use df insn LUIDs.
4588         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
4589         (reg_set_info): Don't use extra bitmap argument.
4590         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
4591         information to compute regs_set_in_block.
4592         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
4593         (bypass_jumps): Don't use compute_sets and friends.
4594
4595 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4596
4597         PR testsuite/39710
4598         * opts.c (undocumented_msg): Do not leave blank even with
4599         ENABLE_CHECKING.
4600
4601 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4602
4603         * c-decl.c (build_enumerator): Allow values folding to integer
4604         constants but not integer constant expressions with a pedwarn if
4605         pedantic.
4606
4607 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4608
4609         PR c/39582
4610         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
4611         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
4612         type is an integer constant.
4613
4614 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4615
4616         PR target/39897
4617         * config/i386/i386.c (print_operand) ['z']: Revert handling of
4618         HImode operands.
4619
4620 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4621
4622         PR c/39564
4623         * c-decl.c (grokdeclarator): Diagnose declarations of functions
4624         with variably modified return type and no storage class
4625         specifiers, except for the case of nested functions.  Distinguish
4626         extern declarations of functions with variably modified return
4627         types from those of objects with variably modified types.
4628
4629 2009-04-25  Jan Hubicka  <jh@suse.cz>
4630
4631         * tree.c (list_equal_p): New function.
4632         * tree.h (list_equal_p): Declare.
4633         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4634         basic_block_def, basic_block, const_basic_block): New.
4635         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
4636         (redirect_eh_edge): New function.
4637         (make_eh_edge_update_phi): EH edges are not abnormal.
4638         * except.c: Include tree-flow.h.
4639         (list_match): New function.
4640         (eh_region_replaceable_by_p): New function.
4641         (replace_region): New function.
4642         (hash_type_list): New function.
4643         (hash_eh_region): New function.
4644         (eh_regions_equal_p): New function.
4645         (merge_peers): New function.
4646         (remove_unreachable_regions): Verify EH tree when checking;
4647         merge peers.
4648         (copy_eh_region_1): New function.
4649         (copy_eh_region): New function.
4650         (push_reachable_handler): New function.
4651         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
4652         regions without label but with live RESX.
4653         * except.h (redirect_eh_edge_to_label): New.
4654         * tree-flow.h (redirect_eh_edge): New.
4655         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4656         basic_block_def, basic_block, const_basic_block): Remove.
4657         * Makefile.in (except.o): Add dependency on tree-flow.h
4658         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
4659         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
4660         Remove.
4661
4662 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
4663
4664         PR bootstrap/39645
4665         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
4666         on the destination of memcpy.
4667
4668 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
4669
4670         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
4671         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
4672         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
4673
4674 2009-04-25  Jan Hubicka  <jh@suse.cz>
4675
4676         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
4677         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
4678         to be reached by different label than left.
4679         (update_eh_edges): Update comment; remove edge_to_remove if possible
4680         and return true if suceeded.
4681         (cleanup_empty_eh): Accept sharing map; handle shared regions.
4682         (cleanup_eh): Compute sharing map.
4683         * except.c (remove_eh_handler_and_replace): Add argument if we should
4684         update regions.
4685         (remove_unreachable_regions): Update for label sharing.
4686         (label_to_region_map): Likewise.
4687         (get_next_region_sharing_label): New function.
4688         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
4689         prev_try pointers.
4690         (remove_eh_handler): Update.
4691         (remove_eh_region_and_replace_by_outer_of): New function.
4692         * except.h (struct eh_region): Add next_region_sharing_label.
4693         (remove_eh_region_and_replace_by_outer_of,
4694         get_next_region_sharing_label): Declare.
4695         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
4696
4697 2009-04-25  Jan Hubicka  <jh@suse.cz>
4698
4699         * tree-cfg.c (split_critical_edges): Split also edges where we can't
4700         insert code even if they are not critical.
4701
4702 2009-04-25  Jan Hubicka  <jh@suse.cz>
4703
4704         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4705         (gimple_can_remove_branch_p): EH edges won't remove branch by
4706         redirection.
4707         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
4708         updating of non-abnormal EH edges.
4709         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4710         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
4711         (split_critical_edges): Split also edges where emitting code on them
4712         will lead to splitting later.
4713
4714 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4715             H.J. Lu  <hongjiu.lu@intel.com>
4716
4717         PR target/39590
4718         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
4719         the configured assembler supports fildq and fistpq mnemonics.
4720         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
4721         * configure: Regenerated.
4722         * config.in: Ditto.
4723
4724         * config/i386/i386.c (print_operand): Handle 'Z'.
4725         ['z']: Remove handling of special fild/fist suffixes.
4726         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
4727         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
4728         suffix of fild insn.
4729         (*floatsi<mode>2_vector_mixed): Ditto.
4730         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
4731         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
4732         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4733         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
4734         * config/i386/gas.h (GAS_MNEMONICS): Remove.
4735
4736 2009-04-25  Ben Elliston  <bje@au.ibm.com>
4737  
4738         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
4739         the source of a set operation.
4740
4741 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
4742
4743         * target.h (struct gcc_target): Add case_values_threshold field.
4744         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
4745         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
4746         * targhooks.c (default_case_values_threshold): New function.
4747         * targhooks.h (default_case_values_threshold): Declare function.
4748         * stmt.c (expand_case): Use case_values_threshold target hook.
4749         * expr.h (case_values_threshold): Remove declartation.
4750         * expr.c (case_values_threshold): Remove function.
4751         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
4752
4753         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
4754         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4755         (avr_case_values_threshold): Declare as static.
4756         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4757
4758         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4759         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4760         (mn10300_case_values_threshold): New function.
4761
4762 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4763
4764         * ira.c (setup_cover_and_important_classes): Add enum cast.
4765
4766 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4767
4768         * genpreds.c (write_enum_constraint_num): Output definition of
4769         CONSTRAINT_NUM_DEFINED_P macro.
4770         * ira.c (setup_cover_and_important_classes): Use
4771         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4772         
4773 2009-04-24  DJ Delorie  <dj@redhat.com>
4774
4775         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4776         __SH2A_SINGLE_ONLY__ also.
4777
4778 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4779
4780         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4781         (movdf_internal): Ditto.
4782         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4783         SFmode and DFmode constants.
4784         (ia64_print_operand): Add 'G' format for printing
4785         floating point constants.
4786
4787 2009-04-24  Richard Guenther  <rguenther@suse.de>
4788
4789         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4790         from unsigned additions.
4791
4792 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4793
4794         * c-typeck.c (set_init_index): Allow array designators that are
4795         not integer constant expressions with a pedwarn if pedantic.
4796
4797 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4798
4799         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4800         zero if no overlap in nonzero bits between the operands.
4801
4802 2009-04-24  Ian Lance Taylor  <iant@google.com>
4803
4804         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4805         (record_dead_and_set_regs): Likewise.
4806         * df.h (struct df_mw_hardreg): Change flags field to int.
4807         (struct df_base_ref): Likewise.
4808         (struct df): Change changeable_flags field to int.
4809         * df-scan.c (df_defs_record): Change clobber_flags to int.
4810         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4811         constants rather than #define macros.
4812         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4813         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4814         (enum dwarf_calling_convention): Likewise.
4815         (enum dwarf_line_number_x_ops): Likewise.
4816         (enum dwarf_call_frame_info): Likewise.
4817         (enum dwarf_source_language): Likewise.
4818         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4819         (add_calling_convention_attribute): Likewise.
4820         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4821         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4822         * genrecog.c (maybe_both_true_2): Change c to int.
4823         (write_switch): Likewise.  Add cast to enum type.
4824         * gimplify.c (gimplify_omp_for): Handle return values from
4825         gimplify_expr using MIN rather than bitwise or.
4826         (gimplify_expr): Add cast to enum type.
4827         * ipa-prop.c (update_jump_functions_after_inlining): Change
4828         IPA_BOTTOM to IPA_JF_UNKNOWN.
4829         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4830         Add casts to enum type.
4831         (setup_cover_and_important_classes): Change cl to int.  Add casts
4832         to enum type.
4833         (setup_class_translate): Change cl and mode to int.
4834         (ira_init_once): Change mode to int.
4835         (free_register_move_costs): Likewise.
4836         (setup_prohibited_mode_move_regs): Add casts to enum type.
4837         * langhooks.c (add_builtin_function_common): Rework assertion that
4838         value fits bitfield.
4839         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4840         * omega.c (omega_do_elimination): Avoid math on enum types.
4841         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4842         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4843         int local to handle integral_argment value.
4844         * regmove.c (try_auto_increment): Change PUT_MODE to
4845         PUT_REG_NOTE_KIND.
4846         * reload.c (push_secondary_reload): Add casts to enum type.
4847         (secondary_reload_class, find_valid_class): Likewise.
4848         * reload1.c (emit_input_reload_insns): Likewise.
4849         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4850         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4851         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4852         constant.
4853         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4854         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4855         enum type.
4856         (expand_complex_libcall): Add casts to enum type.
4857         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4858         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4859         with ERROR_MARK, not NUM_TREE_CODES.
4860         (vect_create_epilog_for_reduction): Likewise.
4861         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4862         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4863         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4864         enum machine_mode.
4865         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4866         vect_unused_in_loop.  Change 0 to loop_vect.
4867         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4868         * var-tracking.c (get_init_value): Change return type to enum
4869         var_init_status.
4870         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4871         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4872         arm_fp_model.
4873         (arm_override_options): Add casts to enum type.
4874         (arm_emit_tls_decoration): Likewise.
4875         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4876         to enum type.
4877         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4878         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4879         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4880         enum type.
4881         * config/s390/s390.c (code_for_builtin_64): Change to array of
4882         enum insn_code.
4883         (code_for_builtin_31): Likewise.
4884         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4885         const *.
4886         * config/sparc/sparc.c (sparc_override_options): Change value
4887         field in struct code_model to enum cmodel.  In initializer change
4888         0 to NULL and add cast to enum type.
4889
4890         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4891         Change all callers.  Issue a -Wc++-compat warning using
4892         lhs_origtype if necessary.
4893         (convert_for_assignment): Issue -Wc++-compat warnings about
4894         invalid conversions to enum type on assignment.
4895         * c-common.h (build_modify_expr): Update declaration.
4896
4897 2009-04-24  Nick Clifton  <nickc@redhat.com>
4898
4899         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4900         (function_arg_advance): Likewise.
4901         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4902         5th alternative.
4903
4904 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4905
4906         * config/s390/constraints.md ('I', 'J'): Fix condition.
4907
4908 2009-04-24  Diego Novillo  <dnovillo@google.com>
4909
4910         * gengtype-parse.c (parse_error): Add newline after message.
4911
4912 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4913
4914         * config/i386/sse.md (avxmodesuffixs): Removed.
4915         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4916         (*avx_pinsr<ssevecsize>): This.
4917
4918 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4919
4920         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4921         follow chains of regs with a single definition, and allow expressions
4922         that are function_invariant_p.
4923         (simple_rhs_p): Allow expressions that are function_invariant_p.
4924
4925 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4926
4927         PR middle-end/39867
4928         * fold-const.c (fold_cond_expr_with_comparison): When folding
4929         > and >= to MAX, make sure the MAX uses the same type as the
4930         comparison's operands.
4931
4932 2009-04-24  Nick Clifton  <nickc@redhat.com>
4933
4934         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4935         addressing for DImode accesses.
4936         (frv_print_operand_address): Handle PLUS case.
4937         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4938
4939 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4940
4941         PR rtl-optimization/39794
4942         * alias.c (canon_true_dependence): Add x_addr argument.
4943         * rtl.h (canon_true_dependence): Adjust prototype.
4944         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4945         * cselib.c (cselib_invalidate_mem): Likewise.
4946         * gcse.c (compute_transp): Likewise.
4947         * dse.c (scan_reads_nospill): Likewise.
4948         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4949         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4950         canon_base_addr of the group, plus optional offset.
4951         (struct group_info): Rename canon_base_mem to
4952         canon_base_addr.
4953         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4954         canon_rtx of base_mem.
4955
4956 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4957
4958         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4959         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4960
4961 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4962
4963         * config/spu/spu-builtins.h: Delete file.
4964
4965         * config/spu/spu.h (enum spu_builtin_type): Move here from
4966         spu-builtins.h.
4967         (struct spu_builtin_description): Likewise.  Add GTY marker.
4968         Do not use enum spu_function_code or enum insn_code.
4969         (spu_builtins): Add extern declaration.
4970
4971         * config/spu/spu.c: Do not include "spu-builtins.h".
4972         (enum spu_function_code, enum spu_builtin_type_index,
4973         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4974         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4975         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4976         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4977         (spu_builtin_types): Make static.  Add GTY marker.
4978         (spu_builtins): Add extern declaration with GTY marker.
4979         Include "gt-spu.h".
4980
4981         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4982         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4983         Check programmatically whether all parameters are scalar.
4984
4985         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
4986
4987 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4988
4989         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
4990         assignment from the constructor either if the target is volatile.
4991
4992 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
4993
4994         * config/arm/arm.md (insv): Do not share operands[0].
4995
4996 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4997
4998         * config/vxlib-tls.c (active_tls_threads): Delete.
4999         (delete_hook_installed): New.
5000         (tls_delete_hook): Don't delete the delete hook.
5001         (tls_destructor): Delete it here.
5002         (__gthread_set_specific): Adjust installing the delete hook.
5003         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
5004         __gthread_leave_tsd_dtor_context.
5005
5006 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
5007
5008         * c-format.c (gcc_tdiag_char_table): Add support for %E.
5009
5010 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
5011
5012         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
5013         enum type.
5014         (alpha_rtx_costs): Ditto.
5015         (emit_unlikely_jump): Use add_reg_note.
5016         (emit_frame_store_1): Ditto.
5017         (alpha_expand_prologue): Ditto.
5018         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5019         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
5020
5021 2009-04-23  Nick Clifton  <nickc@redhat.com>
5022
5023         * config/v850/v850.md (epilogue): Remove suppressed code.
5024         (return): Rename to return_simple and remove test of frame size.
5025         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
5026         to gen_return_simple.
5027
5028 2009-04-22  Jing Yu  <jingyu@google.com>
5029
5030         PR testsuite/39781
5031         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5032
5033 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5034
5035         PR C/31499
5036         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
5037         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
5038         value is a VECTOR_CST, the element type is the element type of the
5039         vector.
5040
5041 2009-04-22  DJ Delorie  <dj@redhat.com>
5042
5043         * config/m32c/m32c.h: Update GTY annotations to new syntax.
5044
5045 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
5046
5047         * alias.c (find_base_term): Move around LO_SUM case, so that
5048         CONST falls through into PLUS/MINUS handling.
5049
5050         PR c/39855
5051         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
5052         into 0, use omit_one_operand.
5053
5054 2009-04-23  Ben Elliston  <bje@au.ibm.com>
5055
5056         * config/rs6000/linux-unwind.h (get_regs): Remove type
5057         puns. Change the type of `pc' to an array of unsigned ints and
5058         update all users.  Constify frame24.
5059
5060 2009-04-22  DJ Delorie  <dj@redhat.com>
5061
5062         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
5063         declarations before code.
5064         (current_function_special_page_vector): Likewise.
5065         (m32c_expand_insv): Silence a warning.
5066
5067 2009-04-21  Taras Glek  <tglek@mozilla.com>
5068
5069         * alias.c: Update GTY annotations to new syntax.
5070         * basic-block.h: Likewise.
5071         * bitmap.h: Likewise.
5072         * c-common.h: Likewise.
5073         * c-decl.c: Likewise.
5074         * c-parser.c: Likewise.
5075         * c-pragma.c: Likewise.
5076         * c-tree.h: Likewise.
5077         * cfgloop.h: Likewise.
5078         * cgraph.h: Likewise.
5079         * config/alpha/alpha.c: Likewise.
5080         * config/arm/arm.h: Likewise.
5081         * config/avr/avr.h: Likewise.
5082         * config/bfin/bfin.c: Likewise.
5083         * config/cris/cris.c: Likewise.
5084         * config/darwin.c: Likewise.
5085         * config/frv/frv.c: Likewise.
5086         * config/i386/i386.c: Likewise.
5087         * config/i386/i386.h: Likewise.
5088         * config/i386/winnt.c: Likewise.
5089         * config/ia64/ia64.h: Likewise.
5090         * config/iq2000/iq2000.c: Likewise.
5091         * config/mips/mips.c: Likewise.
5092         * config/mmix/mmix.h: Likewise.
5093         * config/pa/pa.c: Likewise.
5094         * config/pa/pa.h: Likewise.
5095         * config/rs6000/rs6000.c: Likewise.
5096         * config/s390/s390.c: Likewise.
5097         * config/sparc/sparc.c: Likewise.
5098         * config/xtensa/xtensa.c: Likewise.
5099         * cselib.h: Likewise.
5100         * dbxout.c: Likewise.
5101         * dwarf2out.c: Likewise.
5102         * except.c: Likewise.
5103         * except.h: Likewise.
5104         * fixed-value.h: Likewise.
5105         * function.c: Likewise.
5106         * function.h: Likewise.
5107         * gimple.h: Likewise.
5108         * integrate.c: Likewise.
5109         * optabs.c: Likewise.
5110         * output.h: Likewise.
5111         * real.h: Likewise.
5112         * rtl.h: Likewise.
5113         * stringpool.c: Likewise.
5114         * tree-data-ref.c: Likewise.
5115         * tree-flow.h: Likewise.
5116         * tree-scalar-evolution.c: Likewise.
5117         * tree-ssa-address.c: Likewise.
5118         * tree-ssa-alias.h: Likewise.
5119         * tree-ssa-operands.h: Likewise.
5120         * tree.c: Likewise.
5121         * tree.h: Likewise.
5122         * varasm.c: Likewise.
5123         * varray.h: Likewise.
5124         * vec.h: Likewise.
5125         * coretypes.h: Do not define GTY macro if it is already defined.
5126         * doc/gty.texi: Update GTY documentation to new syntax.
5127         * gengtype-lex.l: Enforce attribute-like syntax for GTY
5128         annotations on structs.
5129         * gengtype-parse.c: Likewise.
5130
5131 2009-04-22  Mark Heffernan  <meheff@google.com>
5132
5133         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
5134
5135 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5136
5137         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
5138         where appropriate.
5139
5140 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5141
5142         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
5143         the same as a PLUS without a shift.  Increase the cost of a
5144         CONST_INT in MULT.
5145
5146 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5147
5148         * Makefile.in: Update dependencies.
5149         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
5150         * errors.h: Remove bogus comment about compatibility.
5151         (warning): Update declaration.
5152         * genautomata.c: Update all calls to warning.
5153         * gimple.c: Do not include errors.h. Include toplev.h.
5154         * tree-ssa-structalias.c: Do not include errors.h.
5155         * omega.c: Likewise.
5156         * tree-ssa-reassoc.c: Likewise.
5157         * config/spu/spu-c.c: Likewise.
5158         * config/spu/t-spu-elf: Update dependencies.
5159
5160 2009-04-22  Richard Guenther  <rguenther@suse.de>
5161
5162         PR tree-optimization/39824
5163         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
5164         make sure the types are compatible.
5165
5166 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5167
5168         PR c++/14875
5169         * c-common.c (c_parse_error): Take a token_flags parameter.
5170         Use token_type for the token type instead.
5171         Pass token_flags to cpp_type2name.
5172         * c-common.h (c_parse_error): Update declaration.
5173         * c-parser.c (c_parser_error): Pass 0 as token flags.
5174
5175 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
5176
5177         PR rtl-optimization/39580
5178         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
5179         
5180 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5181
5182         * function.c (expand_function_end): Do not emit a jump to the "naked"
5183         return label for fall-through returns.
5184         * except.c (sjlj_emit_function_exit): Always place the call to the
5185         unregister function at the location installed by expand_function_end.
5186
5187 2009-04-22  Richard Guenther  <rguenther@suse.de>
5188
5189         PR tree-optimization/39845
5190         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
5191         (gen_inbound_check): Likewise.
5192
5193 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5194
5195         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
5196         padding for PPC.
5197         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
5198         * config/vxlib.c (__gthread_once): Add race guard for PPC.
5199
5200 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5201
5202         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
5203         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
5204         shift counts to avoid out-of-bounds array accesses.
5205
5206 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5207
5208         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
5209         (Pmode): Move above.
5210
5211 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
5212
5213         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
5214         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
5215         GET_CODE macro.  Use IN_RANGE macro where appropriate.
5216         * config/alpha/alpha.h: Ditto.
5217         * config/alpha/alpha.md: Ditto.
5218         * config/alpha/constraints.md: Ditto.
5219         * config/alpha/predicates.md: Ditto.
5220         
5221 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5222
5223         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
5224         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5225         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5226         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5227         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5228         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5229         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5230         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5231         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5232         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5233         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5234         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5235         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5236         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5237         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5238         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5239         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5240         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5241         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5242         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5243         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5244         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5245         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5246         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5247         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5248         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5249         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5250
5251 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5252
5253         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
5254         references from comments.
5255         * cfgbuild.c: (count_basic_blocks): Delete.
5256         (find_basic_blocks_1): Delete.
5257         (find_basic_blocks): Delete.
5258         * except.c (finish_eh_generation): Make static.  Move comment from
5259         except.h here.  Remove find_basic_blocks references from comments.
5260         * except.h (finish_eh_generation): Delete.
5261         * basic-block.h (find_basic_blocks): Delete.
5262         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
5263
5264 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5265
5266         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
5267         (sdbout_parms):  Likewise.
5268
5269 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5270
5271         * config/sh/sh.c (prepare_cbranch_operands): Use
5272         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
5273         (expand_cbranchdi4): Likewise.
5274         (from_compare): Add cast to enum type.
5275         (expand_cbranchsi4): Use add_reg_note.
5276         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
5277         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
5278         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
5279         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5280         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
5281         instead of CODE_FOR_nothing.
5282         (cbranchdi4): Likewise.  Fix the order of arguments for
5283         gen_rtx_fmt_ee.
5284         (push_fpscr): Use add_reg_note.
5285         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
5286         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
5287         
5288 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
5289
5290         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
5291         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5292         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5293         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
5294         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
5295         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
5296         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
5297         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
5298         config/alpha/x-vms, config/arc/t-arc,
5299         config/arm/README-interworking, config/arm/arm-c.c,
5300         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
5301         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
5302         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
5303         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
5304         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
5305         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
5306         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
5307         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
5308         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
5309         config/cris/t-elfmulti, config/crx/t-crx,
5310         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
5311         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
5312         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
5313         config/h8300/t-h8300, config/i386/athlon.md,
5314         config/i386/darwin-libgcc.10.4.ver,
5315         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
5316         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
5317         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
5318         config/i386/t-linux64, config/i386/t-nwld,
5319         config/i386/t-rtems-i386, config/i386/t-sol2-10,
5320         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
5321         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
5322         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
5323         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
5324         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
5325         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
5326         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
5327         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
5328         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
5329         config/m68k/t-uclinux, config/mcore/t-mcore,
5330         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
5331         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
5332         config/mips/crtn.asm, config/mips/irix-crti.asm,
5333         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
5334         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
5335         config/mips/mips-fixed.md, config/mips/sb1.md,
5336         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
5337         config/mips/t-iris6, config/mips/t-isa3264,
5338         config/mips/t-libgcc-mips16, config/mips/t-linux64,
5339         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
5340         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
5341         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
5342         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
5343         config/mn10300/t-linux, config/mn10300/t-mn10300,
5344         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
5345         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
5346         config/picochip/libgccExtras/clzsi2.asm,
5347         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
5348         config/rs6000/darwin-libgcc.10.4.ver,
5349         config/rs6000/darwin-libgcc.10.5.ver,
5350         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
5351         config/rs6000/t-aix43, config/rs6000/t-aix52,
5352         config/rs6000/t-darwin, config/rs6000/t-fprules,
5353         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
5354         config/rs6000/t-lynx, config/rs6000/t-netbsd,
5355         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
5356         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
5357         config/rs6000/t-rtems, config/rs6000/t-spe,
5358         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
5359         config/score/t-score-elf, config/sh/divcost-analysis,
5360         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
5361         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
5362         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
5363         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
5364         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
5365         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
5366         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
5367         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
5368         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
5369         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
5370         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
5371         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
5372         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
5373         limitx.h, version.c, xcoff.h: Add copyright and license notices.
5374         * config/h8300/genmova.sh: Include copyright and license notices
5375         in generated output.
5376         * config/h8300/mova.md: Regenerate.
5377         * doc/install.texi2html: Include word "Copyright" in copyright
5378         notice and use name "Free Software Foundation, Inc.".
5379         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5380         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5381         ChangeLog-2007, ChangeLog-2008: Correct dates.
5382
5383 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
5384
5385         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
5386         NE_EXPR operations as well.
5387         * c-parser.c (c_parser_condition): Do not set location information on
5388         the condition.
5389         (c_parser_conditional_expression): Likewise.
5390         (c_parser_binary_expression): Set location information on operators.
5391         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
5392         TRUTH_NOT_EXPR has been folded.
5393         * fold-const.c (fold_truth_not_expr): Copy location information from
5394         the incoming expression to the outgoing one.
5395         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
5396         recursive calls on the LHS of the operator but pass that of the
5397         operator to recursive calls on the RHS of the operator.  Set it
5398         on the COND_EXPR.
5399         (shortcut_cond_expr): Set the locus of the operator on the second
5400         COND_EXPR and that of the expression on the first in degenerate cases.
5401         Pass the locus of the expression to calls to shortcut_cond_r.
5402         Set the locus of the 'then' block on the associated jump, if any.
5403         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
5404         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
5405         expression to call to gimplify_boolean_expr.
5406
5407 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
5408
5409         * config.gcc: Add additional configuration for
5410         i686-w64-mingw* and x86_64-w64-mingw* triplet.
5411         * config/i386/mingw-w64.h: New mingw-w64 specific header.
5412         (CPP_SPEC): Redefine for allowing -municode option.
5413         (STARTFILE_SPEC): Likewise.
5414         * config/i386/t-mingw-w64: New.
5415         * config/i386/mingw-w64.opt: New.
5416         (municode): Add new target option.
5417         * doc/invoke.texi (municode): Add documentation for new option.
5418
5419 2009-04-21  Ian Lance Taylor  <iant@google.com>
5420
5421         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5422         Correct test for number of arguments.
5423         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
5424
5425 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
5426
5427         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
5428         argument of emit_library_call.
5429
5430 2009-04-21  Richard Guenther  <rguenther@suse.de>
5431
5432         PR middle-end/39829
5433         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
5434         inside VIEW_CONVERT_EXPRs.
5435
5436 2009-04-21  Martin Jambor  <mjambor@suse.cz>
5437
5438         * tree-switch-conversion.c (build_constructors): Split a long line.
5439         (constructor_contains_same_values_p): New function.
5440         (build_one_array): Create assigns of constants if possible, do not
5441         call mark_sym_for_renaming, call update_stmt.
5442         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
5443         make_rename_temp.  Do not call mark_symbols_for_renaming, call
5444         update_stmt.
5445         (gen_def_assigns): Do not call mark_symbols_for_renaming or
5446         find_new_referenced_vars, call update_stmt.
5447         (gen_inbound_check): Use create_tmp_var and create ssa names manually
5448         instead of calling make_rename_temp.  Do not call
5449         find_new_referenced_vars or mark_symbols_for_renaming, call
5450         update_stmt.
5451
5452 2009-04-21  Richard Guenther  <rguenther@suse.de>
5453
5454         PR tree-optimization/39827
5455         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
5456         (tree_ssa_phiprop): Pass the correct array size.
5457
5458 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
5459
5460         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
5461
5462 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5463
5464         PR 16202
5465         * c-typeck.c (lvalue_p): Move declaration ...
5466         * c-common.h (lvalue_p): ... to here.
5467         * c-common.c (candidate_equal_p): New.
5468         (add_tlist): Use it.
5469         (merge_tlist): Use it.
5470         (warn_for_collisions_1): Likewise.
5471         (warning_candidate_p): Accept more candidates.
5472         (verify_tree): A warning candidate can be an expression. Use
5473         candidate_equal_p.
5474
5475 2009-04-21  Ben Elliston  <bje@au.ibm.com>
5476
5477         PR target/5267
5478         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5479         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
5480         options.  Remove -mcall-solaris documentation.
5481
5482 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5483
5484         PR c++/13358
5485         * doc/invoke.texi (-Wlong-long): Update description.
5486         * c-lex (interpret_integer): Only warn if there was no previous
5487         overflow and -Wlong-long is enabled.
5488         * c-decl.c (declspecs_add_type): Drop redundant flags.
5489         * c.opt (Wlong-long): Init to -1.
5490         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
5491         and front-end warn_long_long. Wlong-long only depends on other
5492         flags if it is uninitialized.
5493         * c-parser.c (disable_extension_diagnostics): warn_long_long is
5494         the same for CPP and FE.
5495         (restore_extension_diagnostics): Likewise.
5496
5497 2009-04-20  Ian Lance Taylor  <iant@google.com>
5498
5499         Fix enum conversions which are invalid in C++:
5500         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
5501         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
5502         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
5503         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
5504         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
5505         (dbxout_parms): Likewise.
5506         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
5507         (df_clear_flags): Likewise.
5508         * df-problems.c (df_rd_bb_local_compute_process_def): Change
5509         top_flag parameter to int.
5510         (df_chain_create_bb_process_use): Likewise.
5511         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
5512         Remove cast.
5513         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
5514         (df_ref_create_structure, df_def_record_1): Likewise.
5515         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
5516         (df_notes_rescan): Change 0 to VOIDmode in function call.
5517         (df_get_call_refs, df_insn_refs_collect): Likewise.
5518         (df_bb_regs_collect): Likewise.
5519         (df_entry_block_defs_collect): Likewise.
5520         (df_exit_block_uses_collect): Likewise.
5521         * df.h: Update declarations.
5522         * double-int.c (double_int_divmod): Add cast to enum type.
5523         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
5524         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
5525         (based_loc_descr): Likewise.
5526         (loc_descriptor_from_tree_1): Change first_op and second_op to
5527         enum dwarf_location_atom.  Add cast to enum type.
5528         * expmed.c (init_expmed): Change 0 to SET in function call.
5529         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
5530         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
5531         (do_store_flag): Likewise.
5532         * fixed-value.h (struct fixed_value): Change mode to enum
5533         machine_mode.
5534         * function.c (assign_parms): Change 0 to VOIDmode in function call.
5535         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
5536         function call.
5537         (insert_insn_decl, insert_decl, insert_state): Likewise.
5538         (automata_list_finish): Likewise.
5539         * genrecog.c (process_define_predicate): Add cast to enum type.
5540         * gensupport.c (init_predicate_table): Add cast to enum type.
5541         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
5542         function call.
5543         (gimple_build_call_1, gimple_build_label): Likewise.
5544         (gimple_build_goto, gimple_build_asm_1): Likewise.
5545         (gimple_build_switch_1, gimple_build_cdt): Likewise.
5546         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
5547         (enum fallback): Rename from enum fallback_t.
5548         (fallback_t): Typedef as int.
5549         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
5550         GSI_SAME_STMT in function call.
5551         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
5552         enum type.
5553         (setup_reg_class_relations): Likewise.
5554         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
5555         (setup_prohibited_class_mode_regs): Add cast to enum type.
5556         (setup_prohibited_mode_move_regs): Likewise.
5557         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
5558         (record_address_regs): Change i to enum reg_class.
5559         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
5560         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
5561         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
5562         (GET_MODE_2XWIDER_MODE): Likewise.
5563         (GET_CLASS_NARROWEST_MODE): Likewise.
5564         * omp-low.c (expand_omp_for): Add cast to enum type.
5565         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
5566         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
5567         * postreload.c (reload_cse_simplify_operands): Change rclass local
5568         to enum reg_class.
5569         * predict.c (combine_predictions_for_insn): Change best_predictor
5570         and predictor to enum br_predictor.
5571         (combine_predictions_for_bb): Likewise.
5572         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
5573         use SET_PREDICT_EXPR_OUTCOME.
5574         * real.c (real_arithmetic): Change icode to code in function call.
5575         * reginfo.c (init_move_cost): Add casts to enum type.
5576         (init_reg_sets_1, init_fake_stack_mems): Likewise.
5577         * regmove.c (regclass_compatible_p): Change class0 and class1 to
5578         enum reg_class.
5579         * reload.c (find_valid_class): Add casts to enum type.
5580         (push_reload): Change 0 to NO_REGS in function call.
5581         (find_reloads): Change this_alternative to array of enum
5582         reg_class.  Remove some now-unnecessary casts.
5583         (make_memloc): Change 0 to VOIDmode in function call.
5584         * reload1.c (reload): Change 0 to VOIDmode in function call.
5585         (eliminate_regs_1, elimination_effects): Likewise.
5586         (eliminate_regs_in_insn): Likewise.
5587         (emit_input_reload_insns): Add cast to enum type.
5588         (delete_output_reload): Change 0 to VOIDmode in function call.
5589         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
5590         to enum type in function call.
5591         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
5592         (SET_PREDICT_EXPR_OUTCOME): Define.
5593         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
5594         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
5595         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
5596         (dump_function): Likewise.
5597         * tree-dump.h: Update declarations.
5598         * tree-pass.h: Update declarations.
5599         * varasm.c (assemble_integer): Change mclass to enum mode_class.
5600         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
5601         enum type.
5602         (arm_rtx_costs_1): Correct parenthesization.
5603         (arm_rtx_costs): Add casts to enum type.
5604         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
5605         (vfp_emit_fstmd): Use add_rg_note.
5606         (emit_multi_reg_push, emit_sfm): Likewise.
5607         (thumb_set_frame_pointer): Likewise.
5608         (arm_expand_prologue): Likewise.
5609         (arm_regno_class): Change return type to enum reg_class.
5610         (thumb1_expand_prologue): Use add_reg_note.
5611         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
5612         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
5613         in function call.
5614         * config/arm/gentune.sh: Add cast to enum type.
5615         * config/arm/arm-tune.md: Rebuild.
5616         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
5617         (ix86_split_fp_branch, predict_jump): Likewise.
5618         (ix86_expand_multi_arg_builtin): Change sub_code from enum
5619         insn_code to enum rtx_code.
5620         (ix86_builtin_vectorized_function): Add cast to enum type.
5621         * config/i386/i386.md (truncdfsf2): Change slot to enum
5622         ix86_stack_slot.
5623         (truncxf<mode>2, isinf<mode>2): Likewise.
5624         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
5625         enum type.
5626         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
5627         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
5628         (insert_bundle_state): Change 1 to INSERT in function call.
5629         (ia64_add_bundle_selector_before): Likewise.
5630         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
5631         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
5632         (restore_stack_nonlocal): Likewise.
5633         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
5634         function call.
5635         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
5636         function call.
5637         (mips_rtx_costs): Likewise.
5638         (mips_override_options): Add casts to enum type.
5639         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
5640         in function call.
5641         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
5642         (store_reg, set_reg_plus_d): Likewise.
5643         (hppa_expand_prologue, hppa_profile_hook): Likewise.
5644         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5645         cast to enum type.
5646         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
5647         function call.
5648         (emit_unlikely_jump): Use add_reg_note.
5649         (rs6000_emit_allocate_stack): Likewise.
5650         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
5651         (output_toc): Change 1 to INSERT in function call.
5652         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
5653         (rs6000_initialize_trampoline): Likewise.
5654         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
5655         function call.
5656         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
5657         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
5658         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
5659         (save_gprs): Use add_reg_note.
5660         (s390_emit_prologue): Likewise.
5661         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5662         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
5663         (sparc_fold_builtin): Add cast to enum type.
5664         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
5665         enum insn_code.
5666         (spu_expand_prologue): Use add_reg_note.
5667         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
5668
5669 2009-04-20  Ian Lance Taylor  <iant@google.com>
5670
5671         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
5672         (c_parser_postfix_expression_after_primary): Get VEC for list of
5673         arguments.  Get original types of arguments.  Call
5674         build_function_call_vec.
5675         (cached_expr_list_1, cached_expr_list_2): New static variables.
5676         (c_parser_expr_list): Change return type to VEC *.  Add
5677         p_orig_types parameter.  Change all callers.
5678         (c_parser_release_expr): New static function.
5679         (c_parser_vec_to_tree_list): New static function.
5680         * c-typeck.c (build_function_call): Rewrite to build a VEC and
5681         call build_function_call_vec.
5682         (build_function_call_vec): New function, based on old
5683         build_function_call.
5684         (convert_arguments): Remove nargs and argarray parameters.  Change
5685         values to a VEC.  Add origtypes parameter.
5686         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
5687         (convert_for_assignment): Add origtype parameter.  Change all
5688         callers.  If warn_cxx_compat, check for conversion to an enum
5689         type when calling a function.
5690         (store_init_value): Add origtype parameter.  Change all callers.
5691         (digest_init): Likewise.
5692         (struct init_node): Add origtype field.
5693         (add_pending_init): Add origtype parameter.  Change all callers.
5694         (output_init_element): Likewise.
5695         (output_pending_init_elements): Pass origtype from init_node to
5696         output_init_element.
5697         (process_init_element): Pass origtype from c_expr to
5698         output_init_element.
5699         (c_finish_return): Add origtype parameter.  Change all callers.
5700         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
5701         caller.
5702         (sync_resolve_params): Likewise.
5703         (sync_resolve_return): Change params to first_param.  Change caller.
5704         (resolve_overloaded_builtins): Change params to VEC *.  Change
5705         callers.  Save first parameter around call to build_function_call_vec.
5706         * c-decl.c (finish_decl): Add origtype parameter.  Change all
5707         callers.  Call build_function_call_vec rather than
5708         build_function_call for cleanup.
5709         * c-tree.h: Update declarations.
5710         * c-common.h: Update declarations.
5711         * stub-objc.c (objc_rewrite_function_call): Change parameter from
5712         params to first_param.
5713         * target.h (struct gcc_target): Change resolve_overloaded_builtin
5714         params parameter from tree to void *.
5715         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5716         Change arglist parameter to have type void *, and to be a pointer
5717         to a VEC.
5718         * config/rs6000/rs6000-protos.h
5719         (altivec_resolve_overloaded_builtin): Update declaration.
5720         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
5721         fnargs parameter to have type void *, and to be a pointer to a
5722         VEC.  Call build_function_call_vec instead of
5723         build_function_call.
5724         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
5725
5726 2009-04-20  Joey Ye  <joey.ye@intel.com>
5727             Xuepeng Guo  <xuepeng.guo@intel.com>
5728             H.J. Lu  <hongjiu.lu@intel.com>
5729
5730         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
5731
5732         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
5733         (IX86_LEA_PRIORITY): Likewise.
5734         (distance_non_agu_define): New function.
5735         (distance_agu_use): Likewise.
5736         (ix86_lea_for_add_ok): Likewise.
5737         (ix86_dep_by_shift_count): Likewise.
5738
5739         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
5740         should split for LEA.
5741
5742         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
5743         function.
5744         (ix86_dep_by_shift_count): Likewise.
5745
5746 2009-04-20  Richard Guenther  <rguenther@suse.de>
5747
5748         * expr.c (handled_component_p): Move ...
5749         * tree.h (handled_component_p): ... here.
5750         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
5751         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
5752         and REALPART_EXPR to be in one group.
5753
5754 2009-04-20  Richard Guenther  <rguenther@suse.de>
5755
5756         * basic-block.h (get_all_dominated_blocks): Declare.
5757         * dominance.c (get_all_dominated_blocks): New function.
5758         * tree-cfg.c (get_all_dominated_blocks): Remove.
5759         (remove_edge_and_dominated_blocks): Adjust.
5760         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5761         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5762         instead of recursing.
5763
5764 2009-04-20  Doug Kwan  <dougkwan@google.com>
5765
5766         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5767         (struct cgraph_node_set_def): New type.
5768         (cgraph_node_set) New type. Also declare vector functions.
5769         (struct cgraph_node_set_element_def): New type.
5770         (cgraph_node_set_element): Ditto.
5771         (cgraph_node_set_iterator): New iterator type.
5772         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5773         cgraph_node_set_remove, dump_cgraph_node_set,
5774         debug_cgraph_node_set): New prototypes.
5775         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5776         cgraph_node_set_size): New inlines.
5777         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5778         including cgraph.h.
5779         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5780         argument to function 'write_summary'.
5781         * ipa.c: Include ggc.h.
5782         (hash_cgraph_node_set_element,
5783         eq_cgraph_node_set_element, cgraph_node_set_new,
5784         cgraph_node_set_add, cgraph_node_set_remove,
5785         cgraph_node_set_find, dump_cgraph_node_set,
5786         debug_cgraph_node_set): New functions.
5787         * Makefile.in (ipa.o): Add dependency on GGC_H.
5788
5789 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5790
5791         PR tree-optimization/39675
5792         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5793         check of the return code of vect_schedule_slp. Check that
5794         stmt_vec_info still exists for the statement, before checking its
5795         vectorization type.
5796
5797 2009-04-20  Michael Matz  <matz@suse.de>
5798
5799         * Makefile.in (generated_files): Take out $(simple_generated_c).
5800
5801 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5802
5803         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5804         (UINTPTR_TYPE):  Likewise.
5805
5806 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5807
5808         PR c/37481
5809         * c-typeck.c (digest_init): Check for initializing an array with a
5810         string literal.
5811
5812 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5813
5814         PR c/19771
5815         * c-semantics.c (pop_stmt_list): Propagate
5816         STATEMENT_LIST_HAS_LABEL to parent statement list.
5817
5818 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5819
5820         * config/mips/mips.h (mips_tune_attr): New macro.
5821         * config/mips/mips.md (cpu): Use it.
5822
5823 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5824
5825         PR c/38243
5826         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5827         declaring a tag.
5828
5829 2009-04-19  Diego Novillo  <dnovillo@google.com>
5830
5831         * toplev.c (compile_file): Move call to coverage_finish ...
5832         * cgraphunit.c (ipa_passes): ... here.
5833         Call cgraph_process_new_functions.
5834         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5835         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5836
5837 2009-04-19  Jan Hubicka  <jh@suse.cz>
5838
5839         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5840         cfun.
5841         (dump_cgraph_node): Dump can throw external flag.
5842         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5843
5844 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5845
5846         PR c/32061
5847         PR c++/36954
5848         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5849         * common.opt (Wlogical-op): Move from here...
5850         * c.opt (Wlogical-op): ... to here.
5851         * c-typeck.c (parser_build_binary_op): Update call to
5852         warn_logical_operator.
5853         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5854         extra_warnings.
5855         * c-common.c (warn_logical_op): Update.
5856         * c-common.h (warn_logical_op): Update declaration.
5857
5858 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5859
5860         * tree.c (protected_set_expr_location): Fix formatting.
5861
5862 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5863
5864         PR c/27676
5865         * c-typeck.c (readonly_warning): new.
5866         (build_unary_op, build_modify_expr): Use readonly_warning for
5867         storing into something readonly but not const-qualified.
5868
5869 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5870
5871         PR c/22367
5872         * c-typeck.c (build_unary_op): Check for taking address of
5873         expression of type void.
5874
5875 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5876
5877         PR c/35210
5878         * c-typeck.c (build_function_call): Check for calling a function
5879         with qualified void return types.  Call require_complete_type when
5880         generating a trap.
5881
5882 2009-04-18  Jan Hubicka  <jh@suse.cz>
5883
5884         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5885         Set nothrow flag.
5886         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5887         can_throw_external flag.
5888         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5889         * ipa-pure-const.c (ignore_edge): New function.
5890         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5891         only over can_throw_external edges.
5892         (local_pure_const): Add nothrow flag.
5893         * ipa-utils.c (searchc): Add ignore_edge callback.
5894         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5895         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5896         (set_nothrow_function_flags): Update cgraph.
5897         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5898
5899 2009-04-18  Richard Guenther  <rguenther@suse.de>
5900
5901         PR middle-end/39804
5902         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5903         (fold_stmt): ... this and ...
5904         (fold_stmt_inplace): ... this.
5905         (fold_stmt_1): Fold references in calls and asms.
5906         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5907
5908 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5909
5910         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5911         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5912
5913 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5914
5915         * tree.c (function_args_count): Remove.
5916         * tree.h: Remove the prototype for function_args_count.
5917
5918 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5919
5920         * tree-iterator.c (expr_only): Remove.
5921         * tree.h: Remove the prototype for expr_only.
5922
5923 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5924
5925         * reginfo.c (cannot_change_mode_set_regs): Remove.
5926         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5927
5928 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5929
5930         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5931         whether operands 0 and 1 overlaps.
5932
5933 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5934
5935         PR middle-end/36902
5936         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5937         pointer. Use warning_at instead of warning.
5938         (search_for_addr_array): Likewise.
5939         (check_array_bounds): Likewise.
5940         (check_all_array_refs): Check that the incoming edge is not in the
5941         list of edges to be removed.
5942         (check_all_array_refs): Avoid the temporal pointer.
5943         (vrp_visit_cond_stmt): Fix typo.
5944         (simplify_switch_using_ranges): Handle the case where the switch
5945         index is an integer constant.
5946
5947 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5948
5949         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5950
5951 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5952
5953         * doc/extend.texi, doc/invoke.texi: Fix typos.
5954
5955 2009-04-17  Cary Coutant  <ccoutant@google.com>
5956
5957         * tree-flow-inline.h (get_lineno): Fix inverted test.
5958
5959 2009-04-17  Diego Novillo  <dnovillo@google.com>
5960
5961         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5962         assertion for AVAIL_OUT.
5963
5964 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5965
5966         PR target/38627
5967         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5968         * config/sh/linux-atomic.asm: Likewise.
5969
5970 2009-04-17  Diego Novillo  <dnovillo@google.com>
5971
5972         * except.c (debug_eh_tree): New.
5973         (struct eh_region, struct eh_status): Move ...
5974         * except.h: ... here.
5975         (add_type_for_runtime): Declare extern.
5976         (lookup_type_for_runtime): Likewise.
5977         (debug_eh_tree): Declare.
5978         * Makefile.in (GTFILES): List except.h before except.c
5979
5980 2009-04-17  Diego Novillo  <dnovillo@google.com>
5981
5982         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5983         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5984         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5985         (find_vars_r): ... here.
5986         * tree-flow.h (find_referenced_vars_in): Declare.
5987         * tree-ssa-pre.c (create_expression_by_pieces): Assert
5988         that AVAIL_OUT exists for BLOCK.
5989         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
5990         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
5991         (tree-parloops.o): Likewise.
5992
5993 2009-04-17  Simon Baldwin  <simonb@google.com>
5994
5995         * toplev.c (default_tree_printer): Add handling for %E format.
5996
5997 2009-04-17  Diego Novillo  <dnovillo@google.com>
5998
5999         * tree-pretty-print.c (dump_generic_node): Add break after
6000         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
6001         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
6002         FUNCTION_TYPE together.  Call print_struct_decl when printing
6003         structures and TDF_SLIM is not given.
6004         (print_struct_decl): Fix logic for detecting recursion.
6005
6006 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6007
6008         PR 31567
6009         * gcc.c (create_at_file): New.
6010         (compile_input_file_p): New.
6011         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
6012         * main.c (main): Update call to toplev_main.
6013         * toplev.c (toplev_main): Change signature. Call expandargv.
6014         * toplev.h (toplev_main): Change signature.
6015
6016 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6017
6018         * dwarf2out.c (field_byte_offset): Use the type size as the field size
6019         if the latter is not constant.
6020
6021 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
6022
6023         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
6024
6025 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6026
6027         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
6028         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
6029
6030 2009-04-17  Richard Guenther  <rguenther@suse.de>
6031
6032         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6033         Handle component references view-converting an invariant address.
6034
6035 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
6036
6037         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
6038         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
6039         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
6040         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
6041         Use @deftypevr rather than @deftypevar.
6042
6043 2009-04-17  Richard Guenther  <rguenther@suse.de>
6044
6045         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
6046         (get_prop_source_stmt): Likewise.
6047         (can_propagate_from): Likewise.
6048
6049 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
6050
6051         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
6052         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
6053         (--with-multilib-list): Add default value.
6054         * configure: Regenerate.
6055         * Makefile.in (TM_ENDIAN_CONFIG): Define.
6056         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
6057         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
6058         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
6059         Don't add default cpu to multilib list unnecessarily, but do enable
6060         the relevant compiler option..
6061         Add support for --with-multilib-list=<blank> and
6062         --with-multilib-list=!<somelib> to supress unwanted multilibs.
6063         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
6064         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
6065         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
6066         TM_MULTILIB_CONFIG.
6067         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
6068         (MULTILIB_OSDIRNAMES): New variable.
6069         * config/sh/t-1e: Delete file.
6070         * config/sh/t-mlib-sh1: Delete file.
6071         * config/sh/t-mlib-sh2: Delete file.
6072         * config/sh/t-mlib-sh2a: Delete file.
6073         * config/sh/t-mlib-sh2a-nofpu: Delete file.
6074         * config/sh/t-mlib-sh2a-single: Delete file.
6075         * config/sh/t-mlib-sh2a-single-only: Delete file.
6076         * config/sh/t-mlib-sh2e: Delete file.
6077         * config/sh/t-mlib-sh3e: Delete file.
6078         * config/sh/t-mlib-sh4: Delete file.
6079         * config/sh/t-mlib-sh4-nofpu: Delete file.
6080         * config/sh/t-mlib-sh4-single: Delete file.
6081         * config/sh/t-mlib-sh4-single-only: Delete file.
6082         * config/sh/t-mlib-sh4a: Delete file.
6083         * config/sh/t-mlib-sh4a-nofpu: Delete file.
6084         * config/sh/t-mlib-sh4a-single: Delete file.
6085         * config/sh/t-mlib-sh4a-single-only: Delete file.
6086         * config/sh/t-mlib-sh4al: Delete file.
6087         * config/sh/t-mlib-sh5-32media: Delete file.
6088         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
6089         * config/sh/t-mlib-sh5-64media: Delete file.
6090         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
6091         * config/sh/t-mlib-sh5-compact: Delete file.
6092         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
6093         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
6094         * doc/install.texi (Options specification): Add
6095         --with-multilib-list and --with-endian.
6096
6097 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6098
6099         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
6100         REVISION_c.
6101         (OBJS-common): Add plugin-version.o.
6102         (plugin-version.o): New.
6103         * gcc-plugin.h (plugin_gcc_version): New.
6104         (plugin_default_version_check): New.
6105         (plugin_init_func, plugin_init): Add version argument.
6106         * plugin-version.c: New.
6107         * plugin.c (str_plugin_gcc_version_name): New.
6108         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
6109         pass it to the init function.
6110         (plugin_default_version_check): New.
6111
6112 2009-04-17  Richard Guenther  <rguenther@suse.de>
6113
6114         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
6115         for decl-vs-decl disambiguation.
6116
6117 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6118
6119         * config/s390/s390.h (s390_tune_attr): New macro definition.
6120         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
6121
6122 2009-04-17  Richard Guenther  <rguenther@suse.de>
6123
6124         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
6125         (fold_stmt_r): Likewise.
6126         (maybe_fold_reference): New function.
6127         (fold_gimple_assign): Handle cases fold_stmt_r did.
6128         (fold_stmt): Do not use fold_stmt_r.
6129         (fold_stmt_inplace): Likewise.
6130
6131 2009-04-17  Richard Guenther  <rguenther@suse.de>
6132
6133         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
6134         (record_equivalences_from_stmt): Remove useless checks and
6135         simplifications.
6136         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
6137         the type is already suitable.
6138
6139 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
6140
6141         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
6142
6143 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
6144
6145         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
6146         (CMPtype): Define as __gcc_CMPtype.
6147
6148 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
6149
6150         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
6151         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
6152
6153 2009-04-17  Richard Guenther  <rguenther@suse.de>
6154
6155         PR tree-optimization/39746
6156         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
6157         special-casing for builtins and static variable use/def.
6158         (call_may_clobber_ref_p_1): Likewise.
6159
6160 2009-04-16  Ian Lance Taylor  <iant@google.com>
6161
6162         * df.h: Include "timevar.h".
6163         (struct df_problem): Change tv_id field to timevar_id_t.
6164         * tree-pass.h: Include "timevar.h".
6165         (struct opt_pass): Change tv_id field to timevar_id_t.
6166         * timevar.h (timevar_id_t): Define TV_NONE.
6167         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
6168         TV_NONE rather than tv_id != 0.
6169         (execute_one_pass): Likewise.
6170         * Makefile.in (DF_H): Add $(TIMEVAR_H).
6171         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
6172         dependencies to $(TREE_PASS_H).
6173         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
6174         to TV_NONE.
6175         (pass_branch_target_load_optimize2): Likewise.
6176         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
6177         (pass_outof_cfg_layout_mode): Likewise.
6178         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
6179         (pass_rebuild_cgraph_edges): Likewise.
6180         (pass_remove_cgraph_callee_edges): Likewise.
6181         * df-core.c (pass_df_initialize_opt): Likewise.
6182         (pass_df_initialize_no_opt): Likewise.
6183         (pass_df_finish): Likewise.
6184         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
6185         * except.c (pass_set_nothrow_function_flags): Likewise.
6186         (pass_convert_to_eh_region_ranges): Likewise.
6187         * final.c (pass_compute_alignments): Likewise.
6188         * function.c (pass_instantiate_virtual_regs): Likewise.
6189         (pass_init_function): Likewise.
6190         (pass_leaf_regs): Likewise.
6191         (pass_match_asm_constraints): Likewise.
6192         * gimple-low.c (pass_lower_cf): Likewise.
6193         (pass_mark_used_blocks): Likewise.
6194         * init-regs.c (pass_initialize_regs): Likewise.
6195         * integrate.c (pass_initial_value_sets): Likewise.
6196         * ira.c (pass_ira): Likewise.
6197         * jump.c (pass_cleanup_barriers): Likewise.
6198         * omp-low.c (pass_expand_omp): Likewise.
6199         (pass_lower_omp): Likewise.
6200         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
6201         * recog.c (pass_split_all_insns): Likewise.
6202         (pass_split_after_reload): Likewise.
6203         (pass_split_before_regstack): Likewise.
6204         (pass_split_before_sched2): Likewise.
6205         (pass_split_for_shorten_branches): Likewise.
6206         * reginfo.c (pass_reginfo_init): Likewise.
6207         (pass_subregs_of_mode_init): Likewise.
6208         (pass_subregs_of_mode_finish): Likewise.
6209         * passes.c (pass_postreload): Likewise.
6210         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
6211         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
6212         (pass_warn_function_return): Likewise.
6213         (pass_warn_function_noreturn): Likewise.
6214         * tree-complex.c (pass_lower_complex): Likewise.
6215         (pass_lower_complex_O0): Likewise.
6216         * tree-if-conv.c (pass_if_conversion): Likewise.
6217         * tree-into-ssa.c (pass_build_ssa): Likewise.
6218         * tree-mudflap.c (pass_mudflap_1): Likewise.
6219         (pass_mudflap_2): Likewise.
6220         * tree-nomudflap.c (pass_mudflap_1): Likewise.
6221         (pass_mudflap_2): Likewise.
6222         * tree-nrv.c (pass_return_slot): Likewise.
6223         * tree-object-size.c (pass_object_sizes): Likewise.
6224         * tree-optimize.c (pass_all_optimizations): Likewise.
6225         (pass_early_local_passes): Likewise.
6226         (pass_all_early_optimizations): Likewise.
6227         (pass_cleanup_cfg): Likewise.
6228         (pass_cleanup_cfg_post_optimizing): Likewise.
6229         (pass_free_datastructures): Likewise.
6230         (pass_free_cfg_annotations): Likewise.
6231         (pass_fixup_cfg): Likewise.
6232         (pass_init_datastructures): Likewise.
6233         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
6234         (pass_late_warn_uninitialized): Likewise.
6235         (pass_update_address_taken): Likewise.
6236         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
6237         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
6238         (pass_cse_sincos): Likewise.
6239         (pass_convert_to_rsqrt): Likewise.
6240         * tree-ssa-structalias.c (pass_build_alias): Likewise.
6241         * tree-stdarg.c (pass_stdarg): Likewise.
6242         * tree-tailcall.c (pass_tail_recursion): Likewise.
6243         (pass_tail_calls): Likewise.
6244         * tree-vect-generic.c (pass_lower_vector): Likewise.
6245         (pass_lower_vector_ssa): Likewise.
6246         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
6247
6248 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
6249
6250         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
6251         XLR entry.
6252         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
6253         Handle -march=xlr.
6254         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
6255         logical and signext.
6256
6257 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
6258
6259         PR target/39767
6260         * config/sh/predicates.md (arith_operand): Check if the operand
6261         of TRUNCATE is a REG.
6262
6263 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6264
6265         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
6266         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
6267
6268 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6269
6270         * tree-iterator.c (tsi_split_statement_list_after,
6271         tsi_split_statement_list_before): Remove.
6272         * tree-iterator.h: Remove the prototypes for
6273         tsi_split_statement_list_after and tsi_split_statement_list_before.
6274
6275 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6276
6277         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
6278         * tree-ssa-propagate.h: Remove the prototype for
6279         stmt_makes_single_load.
6280
6281 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6282
6283         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
6284         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
6285
6286 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6287
6288         * tree-iterator.c (EXPR_LAST_BODY): Remove.
6289
6290 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6291
6292         * except.c (eh_region_outer_p): Remove.
6293         * except.h: Remove the prototype for eh_region_outer_p.
6294
6295 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6296
6297         * function.c (current_function_assembler_name): Remove.
6298         * function.h: Remove the prototype for
6299         current_function_assembler_name.
6300
6301 2009-04-16  Ian Lance Taylor  <iant@google.com>
6302
6303         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
6304         (add_reg_note): Call alloc_reg_note.
6305         * rtl.h (alloc_reg_note): Declare.
6306         * combine.c (try_combine): Use alloc_reg_note.
6307         (recog_for_combine, move_deaths): Likewise.
6308         (distribute_notes): Use alloc_reg_note and add_reg_note.
6309         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
6310         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
6311         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
6312
6313 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
6314
6315         PR rtl-optimization/39762
6316         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
6317         ira_may_move_out_cost): Add comments about way of their usage.
6318         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
6319
6320         * ira-conflicts.c (process_regs_for_copy): Use function
6321         ira_get_register_move_cost instead of global
6322         ira_register_move_cost.
6323
6324         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
6325         color_pass, move_spill_restore, update_curr_costs): Ditto.
6326
6327         * ira-lives.c (process_single_reg_class_operands): Ditto.
6328
6329         * ira-emit.c (emit_move_list): Ditto.
6330
6331         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
6332         (record_reg_classes): Ditto.  Use functions
6333         ira_get_register_move_cost and ira_get_may_move_cost instead of
6334         global vars ira_register_move_cost, ira_may_move_out_cost and
6335         ira_may_move_in_cost.
6336         (record_address_regs): Don't call ira_init_register_move_cost.
6337         Use function ira_get_may_move_cost instead of global
6338         ira_may_move_in_cost.
6339         (process_bb_node_for_hard_reg_moves): Use function
6340         ira_get_register_move_cost instead of global ira_register_move_cost.
6341         (ira_costs): Don't call ira_init_register_move_cost.
6342
6343 2009-04-16  Richard Guenther  <rguenther@suse.de>
6344
6345         * tree-cfg.c (verify_gimple_assign_binary):
6346         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
6347         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
6348         (create_general_new_stmt): Note that this function is broken.
6349
6350 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6351
6352         * common.opt (fhelp): Add Var(help_flag).
6353         * gcc-plugin.h (plugin_info): Add help.
6354         * plugin.c (plugin_name_args): Add help.
6355         (register_plugin_info): Set plugin->help.
6356         (print_help_one_plugin): New.
6357         (print_plugins_help): New.
6358         * plugin.h (print_plugins_help): New.
6359         * toplev.c (toplev_main): Call print_plugins_help if needed.
6360
6361 2009-04-16  Richard Guenther  <rguenther@suse.de>
6362
6363         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
6364         (gimple_ior_addresses_taken_1): New function.
6365         (gimple_ior_addresses_taken): Likewise.
6366         * gimple.h (struct gimple_statement_with_ops_base): Remove
6367         addresses_taken member.
6368         (gimple_ior_addresses_taken): Declare.
6369         (gimple_addresses_taken, gimple_addresses_taken_ptr,
6370         gimple_set_addresses_taken): Remove.
6371         * ipa-reference.c (mark_address): New function.
6372         (scan_stmt_for_static_refs): Use it for marking addresses taken.
6373         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
6374         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
6375         (gimple_add_to_addresses_taken): Remove.
6376         (get_tmr_operands): Call mark_address_taken.
6377         (get_asm_expr_operands): Likewise.
6378         (get_expr_operands): Likewise.
6379         (build_ssa_operands): Do not clear the addresses_taken bitmap.
6380         (free_stmt_operands): Do not free it.
6381         * tree-ssa.c (delete_tree_ssa): Likewise.
6382         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
6383
6384 2009-04-16  Richard Guenther  <rguenther@suse.de>
6385
6386         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
6387         (walk_stmt_load_store_ops): Likewise.
6388         * gimple.c (get_base_loadstore): New function.
6389         (walk_stmt_load_store_addr_ops): Likewise.
6390         (walk_stmt_load_store_ops): Likewise.
6391         * ipa-pure-const.c (check_op): Simplify.
6392         (check_load, check_store): New functions.
6393         (check_stmt): Use walk_stmt_load_store_ops.
6394         * ipa-reference.c (mark_load): Adjust signature.
6395         (mark_store): Likewise.
6396         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
6397
6398 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6399
6400         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
6401         (plugin_info): New.
6402         * opts.c (common_handle_option): Don't call print_version.
6403         * plugin.c (plugin_name_args): Add version.
6404         (register_plugin_info): New.
6405         (register_callback): Handle PLUGIN_INFO.
6406         (try_init_one_plugin): New.
6407         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
6408         if failed to init.
6409         (finalize_one_plugin): New.
6410         (finalize_plugins): New.
6411         (print_one_plugin): New.
6412         (print_plugins_versions): New.
6413         * plugin.h (print_plugins_versions): New.
6414         (finalize_plugins): New.
6415         * toplev.c (compile_file): Don't call initialize_plugins.
6416         (print_version): Call print_plugins_versions.
6417         (toplev_main): Call initialize_plugins. Print version if needed.
6418         Call finalize_plugins.
6419
6420 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6421
6422         * common.opt (fversion): New.
6423         * gcc.c (print_version): New.
6424         (process_command): Don't print the version. Just set print_version.
6425         (main): Print version. Call subprocesses if print_version and
6426         verbose_flag are set.
6427         * opts.c (common_handle_option): Handle OPT_fversion.
6428
6429 2009-04-16  Richard Guenther  <rguenther@suse.de>
6430             Ira Rosen  <irar@il.ibm.com>
6431
6432         PR tree-optimization/39698
6433         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6434         type of the reduction variable.  Only generate the def if
6435         it is needed.
6436
6437         * omp-low.c (expand_omp_for_generic): When converting to a pointer
6438         make sure to first convert to an integer of the same precision.
6439         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
6440         the type of the evolution correctly in computing the new
6441         induction variable base.
6442
6443 2009-04-16  Richard Guenther  <rguenther@suse.de>
6444
6445         PR middle-end/39625
6446         * tree-cfg.c (make_blocks): Split statements with to-be
6447         abnormal SSA names on the lhs.
6448
6449 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
6450
6451         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
6452         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
6453         * c-typeck.c (really_start_incremental_init): Likewise.
6454         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
6455         (TARGET_INITIALIZER): Remove it.
6456         * target.h (struct target): Remove vector_opaque_p.
6457         * tree.c (build_opaque_vector_type): New.
6458         * tree.h (TYPE_VECTOR_OPAQUE): New.
6459         (build_opaque_vector_type): Declare.
6460         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
6461         * config/rs6000/rs6000.c (build_opaque_vector_type,
6462         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
6463         (rs6000_init_builtins): Use build_opaque_vector_type for
6464         opaque_V4SI_type_node.
6465
6466 2009-04-15  Catherine Moore  <clm@codesourcery.com>
6467
6468         * debug.h (set_name):  Declare.
6469         * dwarf2out.c (dwarf2out_set_name): Declare.
6470         (dwarf2_debug_hooks): Add set_name.
6471         (find_AT_string): New.
6472         (add_AT_string): Call find_AT_string.
6473         (dwarf2out_set_name): New.
6474         * cp/decl.c (grokdeclarator): Call set_name.
6475         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
6476         * debug.c (do_nothing_debug_hooks):  Likewise.
6477         * dbxout.c (dbx_debug_hooks): Likewise.
6478         * sdbout.c (sdb_debug_hooks): Likewise.
6479
6480 2009-04-15  Michael Eager  <eager@eagercon.com>
6481
6482         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
6483         reg for single-precision FPU.
6484         * config/rs6000/rs6000.md (movsi_internal1): Only for
6485         !TARGET_SINGLE_FPU.
6486         (movsi_internal1_single): New. Add pattern to move SI values to/from
6487         single-precision FP regs.
6488
6489 2009-04-15  Richard Guenther  <rguenther@suse.de>
6490
6491         * omp-low.c (lower_rec_input_clauses): Build correct address
6492         expressions.
6493         (expand_omp_for_generic): Fix multiplication type.
6494         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
6495         (generate_memset_zero): Fix types.
6496         * tree-profile.c (prepare_instrumented_value): Correctly
6497         widen a pointer.
6498
6499 2009-04-15  Ian Lance Taylor  <iant@google.com>
6500
6501         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
6502         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
6503         for -Wall and for -Wc++-compat.
6504         (c_common_post_options): For C++, set warn_enum_compare if not
6505         already set.
6506         * c-tree.h (struct c_expr): Add field original_type.
6507         (build_external_ref): Update declaration.
6508         * c-parser.c (c_parser_braced_init): Set original_type.
6509         (c_parser_initelt): Likewise.
6510         (c_parser_expr_no_commas): Likewise.
6511         (c_parser_conditional_expression): Likewise.
6512         (c_parser_cast_expression): Likewise.
6513         (c_parser_unary_expression): Likewise.  Pull setting of
6514         original_code to top of function.
6515         (c_parser_sizeof_expression): Set original_type.
6516         (c_parser_alignof_expression): Likewise.
6517         (c_parser_postfix_expression): Likewise.  Pull setting of
6518         original_code to top of function.
6519         (c_parser_postfix_expression_after_paren_type): Set original_type.
6520         (c_parser_postfix_expression_after_primary): Likewise.
6521         (c_parser_expression): Likewise.
6522         * c-typeck.c (build_external_ref): Add type parameter.  Change all
6523         callers.
6524         (c_expr_sizeof_expr): Set original_type field.
6525         (parser_build_unary_op): Likewise.
6526         (parser_build_binary_op): Likewise.  Optionally warn about
6527         comparisons of enums of different types.
6528         (digest_init): Set original_type field.
6529         (really_start_incremental_init): Likewise.
6530         (push_init_level, pop_init_level): Likewise.
6531         * doc/invoke.texi (Warning Options): -Wenum-compare now
6532         supported in C.
6533
6534 2009-04-15  Richard Guenther  <rguenther@suse.de>
6535
6536         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
6537         out a necessary conversion.
6538         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
6539         names we didn't value number.
6540         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
6541
6542 2009-04-15  Richard Guenther  <rguenther@suse.de>
6543
6544         PR tree-optimization/39764
6545         * tree-ssa-ccp.c (get_value): Canonicalize value with
6546         canonicalize_float_value.
6547
6548 2009-04-15  Jan Hubicka  <jh@suse.cz>
6549
6550         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
6551         Wrong version of patch.
6552
6553 2009-04-15  Jan Hubicka  <jh@suse.cz>
6554
6555         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
6556
6557 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6558
6559         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
6560         our distinct integral and vector types.
6561
6562 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
6563
6564         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
6565         * init.c (build_vtbl_address): Remove call to assemble_external.
6566
6567 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
6568
6569         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
6570         output for other floating point modes.
6571
6572 2009-04-14  Diego Novillo  <dnovillo@google.com>
6573
6574         * diagnostic.c (diagnostic_report_diagnostic): Do not
6575         warn about loaded plugins for DK_ERROR and DK_WARNING.
6576         * c-decl.c (declspecs_add_type): Move call to
6577         invoke_plugin_callbacks ...
6578         * c-parser.c (c_parser_declspecs): ... here.
6579         * plugin.c (dump_active_plugins): Tidy output.
6580
6581 2009-04-14  Diego Novillo  <dnovillo@google.com>
6582             Le-Chun Wu  <lcwu@google.com>
6583
6584         * configure.ac: Add --enable-plugin support.
6585         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
6586         * Makefile.in (PLUGIN_H): Define.
6587         Export ENABLE_PLUGIN and GMPINC to site.exp.
6588         Add PLUGINLIBS to link command.
6589         Add/modify dependencies for plugin.o and files including plugin.h.
6590         (plugin.o): New.
6591         * config.in: Regenerate.
6592
6593         * opts.c (common_handle_option): Handle OPT_fplugin_ and
6594         OPT_fplugin_arg_.
6595
6596 2009-04-14  Le-Chun Wu  <lcwu@google.com>
6597
6598         * tree-pass.h (register_one_dump_file): Add a prototype for
6599         register_one_dump_file.
6600         * toplev.c (compile_file): Call initialize_plugins.
6601         (do_compile): Call invoke_plugin_callbacks.
6602         (toplev_main): Call invoke_plugin_callbacks.
6603         * common.opt: Add -fplugin= and -fplugin-arg-.
6604         * gcc-plugin.h: New public header file for plugins to include.
6605         * plugin.c: New source file.
6606         * plugin.h: New internal header file.
6607         * passes.c (register_one_dump_file): Make it external.
6608
6609         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
6610
6611 2009-04-14  Diego Novillo  <dnovillo@google.com>
6612
6613         * doc/plugins.texi: New.
6614         * doc/gccint.texi: Add reference to Plugins chapter.
6615         * doc/invoke.texi: Document -fplugin and -fplugin-arg
6616         * diagnostic.c (diagnostic_report_diagnostic): Warn about
6617         loaded plugins, if any.
6618         * timevar.def (TV_PLUGIN_INIT): Define.
6619         (TV_PLUGIN_RUN): Define.
6620         * plugin.c: Include timevar.h
6621         (plugins_active_p): New.
6622         (dump_active_plugins): New.
6623         (debug_active_plugins): New.
6624
6625 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
6626
6627         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
6628         library paths.
6629         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
6630
6631 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
6632
6633         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
6634         the same as a minus without a shift.
6635
6636 2009-04-14  Nick Clifton  <nickc@redhat.com>
6637
6638         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
6639         comparisons with small integers will always produce a short
6640         branch.
6641
6642 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
6643
6644         Merge:
6645         2008-12-19  Diego Novillo  <dnovillo@google.com>
6646
6647         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
6648
6649 2009-04-14  Richard Guenther  <rguenther@suse.de>
6650
6651         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
6652         verification.
6653         (verify_gimple_assign_binary): Likewise.  Handle shifts and
6654         rotates correctly.
6655         (verify_gimple_phi): Print the mismatched argument position.
6656         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6657         Fix types.
6658         (vect_update_init_of_dr): Likewise.
6659         * matrix-reorg.c (transform_access_sites): Do what the
6660         comment suggests.
6661         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
6662
6663 2009-04-13  Michael Eager  <eager@eagercon.com>
6664
6665         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
6666         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
6667         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
6668         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
6669         remove duplicate config
6670
6671 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6672
6673         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
6674         file_name:line_number type locator of the call site.
6675
6676 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6677
6678         * genautomata.c: Put blank after comma.
6679         (automaton_decls): New.
6680         (struct unit_usage): Add comments to member next.
6681         (store_alt_unit_usage): Keep the list ordered.
6682         (unit_present_on_list_p, equal_alternatives_p): New.
6683         (check_regexp_units_distribution): Check units distribution
6684         correctness correctly.
6685         (main): Don't write automata if error is found.  Return correct
6686         exit code.
6687
6688         * config/m68k/cf.md (cfv4_ds): Remove.
6689         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
6690         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
6691
6692         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
6693         power4-load-ext, power4-store, power4-store-update,
6694         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
6695         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
6696         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
6697         power4-sqrt, power4-isync): Modify reservation to make correct
6698         unit distribution to automata.
6699
6700         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
6701         power5-store-update, power5-two, power5-three, power5-lmul,
6702         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
6703
6704 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
6705
6706         * except.c (pass_set_nothrow_function_flags): Set name and add
6707         TODO_dump_func.
6708         (set_nothrow_function_flags): Mention in the dump file when
6709         changing a function to nothrow.
6710
6711 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
6712
6713         PR/39066
6714         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
6715         instead of unsigned long.
6716
6717 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6718
6719         * config/arm/arm.c (return_used_this_function): Remove.
6720         (arm_output_function_prologue): Remove use of
6721         return_used_this_function.
6722         (output_return_instruction): Replace use of
6723         return_used_this_function
6724         by cfun->machine->return_used_this_function.
6725         (arm_output_epilogue): Likewise.
6726         (arm_output_function_epilogue): Likewise.
6727         (thumb_unexpanded_epilogue): Likewise.
6728         * config/arm/arm.h (struct machine_function):
6729         New member return_used_this_function.
6730
6731 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
6732
6733         * doc/install.texi: Correct description of default directory for
6734         --with-gxx-include-dir.
6735
6736 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6737
6738         * fold-const.c (build_range_check): Properly deal with enumeral and
6739         boolean base types.
6740
6741 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
6742
6743         * doc/invoke.texi (max_gcse_passes): Remove documentation.
6744         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
6745         * params.h (MAX_GCSE_PASSES): Remove.
6746         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
6747         in sequence.  Remove ability to run multiple passes.
6748         (bypass_jumps): Report run as third CPROP pass.
6749
6750 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
6751
6752         PR middle-end/39651
6753         * except.c (can_throw_external): Look at each insn in a SEQUENCE
6754         when deciding whether the whole SEQUENCE can throw.
6755
6756 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6757
6758         PR target/39740
6759         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6760         offseted label references.
6761
6762 2009-04-11  Jan Hubicka  <jh@suse.cz>
6763
6764         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6765
6766 2009-04-11  Richard Guenther  <rguenther@suse.de>
6767
6768         PR middle-end/39732
6769         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6770         return variables as TREE_ADDRESSABLE.
6771
6772 2009-04-11  Richard Guenther  <rguenther@suse.de>
6773
6774         PR tree-optimization/39713
6775         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6776         reference trees have SSA_NAME operands.
6777
6778 2009-04-11  Richard Guenther  <rguenther@suse.de>
6779
6780         PR c/39712
6781         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6782         address expressions.
6783
6784 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6785
6786         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6787         match changes in Cygwin 1.7
6788         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6789         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6790
6791 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6792
6793         PR tree-optimization/39701
6794         * doc/invoke.texi (Optimization Options): Document change in
6795         meaning and initialization of -fdelete-null-pointer-checks.
6796
6797 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6798
6799         PR middle-end/39701
6800         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6801
6802         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6803         here.
6804
6805         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6806
6807 2009-04-10  Chao-ying Fu  <fu@mips.com>
6808
6809         * doc/tm.texi (Instruction Output): Document
6810         TARGET_ASM_FINAL_POSTSCAN_INSN.
6811         * target.h (final_postscan_insn): New field in asm_out.
6812         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6813         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6814         * final.c (final_scan_insn): Call
6815         targetm.asm_out.final_postscan_insn after outputting
6816         an asm macro and a normal instruction.
6817
6818         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6819         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6820         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6821         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6822         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6823
6824 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6825
6826         PR middle-end/39701
6827         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6828         variables as non-NULL even with -fdelete-null-pointer-checks.
6829
6830 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6831
6832         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6833
6834 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6835
6836         PR target/39678
6837         * config/i386/i386.c (classify_argument): Handle SCmode with
6838         (bit_offset % 64) != 0.
6839
6840 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6841
6842         * doc/invoke.texi (Optimize Options): Add cross-reference to
6843         -Q --help=optimizers examples.
6844
6845 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6846
6847         PR target/36800
6848         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6849         regalign for the reg == fpr and TDmode case.
6850
6851 2009-04-09  David Ayers  <ayers@fsfe.org>
6852
6853         PR objc/29200
6854         * objc/objc-act.c (warn_with_method): Remove helper function.
6855         (check_duplicates): Call warning and inform directly.
6856         (really_start_method): Likewise.
6857
6858 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6859
6860         * expmed.c (expand_divmod): Always use a comparison for a division
6861         by a large unsigned integer.
6862
6863         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6864         for things others than variables or functions as nonzero.
6865
6866 2009-04-09  Nick Clifton  <nickc@redhat.com>
6867
6868         * unwind-compat.c: Change copyright header to refer to version
6869         3 of the GNU General Public License with version 3.1 of the
6870         GCC Runtime Library Exception and to point readers at the
6871         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6872         * config/alpha/crtfastmath.c: Likewise.
6873         * config/alpha/linux-unwind.h: Likewise.
6874         * config/alpha/qrnnd.asm: Likewise.
6875         * config/alpha/vms-crt0-64.c: Likewise.
6876         * config/alpha/vms-crt0.c: Likewise.
6877         * config/alpha/vms-dwarf2.asm: Likewise.
6878         * config/alpha/vms-dwarf2eh.asm: Likewise.
6879         * config/alpha/vms-psxcrt0-64.c: Likewise.
6880         * config/alpha/vms-psxcrt0.c: Likewise.
6881         * config/alpha/vms_tramp.asm: Likewise.
6882         * config/arc/initfini.c: Likewise.
6883         * config/arc/lib1funcs.asm: Likewise.
6884         * config/arm/bpabi-v6m.S: Likewise.
6885         * config/arm/bpabi.S: Likewise.
6886         * config/arm/bpabi.c: Likewise.
6887         * config/arm/crti.asm: Likewise.
6888         * config/arm/crtn.asm: Likewise.
6889         * config/arm/ieee754-df.S: Likewise.
6890         * config/arm/ieee754-sf.S: Likewise.
6891         * config/arm/lib1funcs.asm: Likewise.
6892         * config/arm/libunwind.S: Likewise.
6893         * config/arm/linux-atomic.c: Likewise.
6894         * config/arm/mmintrin.h: Likewise.
6895         * config/arm/pr-support.c: Likewise.
6896         * config/arm/unaligned-funcs.c: Likewise.
6897         * config/arm/unwind-arm.c: Likewise.
6898         * config/arm/unwind-arm.h: Likewise.
6899         * config/avr/libgcc.S: Likewise.
6900         * config/bfin/crti.s: Likewise.
6901         * config/bfin/crtlibid.s: Likewise.
6902         * config/bfin/crtn.s: Likewise.
6903         * config/bfin/lib1funcs.asm: Likewise.
6904         * config/bfin/linux-unwind.h: Likewise.
6905         * config/cris/arit.c: Likewise.
6906         * config/cris/cris_abi_symbol.c: Likewise.
6907         * config/darwin-64.c: Likewise.
6908         * config/darwin-crt2.c: Likewise.
6909         * config/darwin-crt3.c: Likewise.
6910         * config/darwin.h: Likewise.
6911         * config/dbxelf.h: Likewise.
6912         * config/dfp-bit.c: Likewise.
6913         * config/dfp-bit.h: Likewise.
6914         * config/elfos.h: Likewise.
6915         * config/fixed-bit.c: Likewise.
6916         * config/fixed-bit.h: Likewise.
6917         * config/fp-bit.c: Likewise.
6918         * config/fp-bit.h: Likewise.
6919         * config/fr30/crti.asm: Likewise.
6920         * config/fr30/crtn.asm: Likewise.
6921         * config/fr30/lib1funcs.asm: Likewise.
6922         * config/freebsd-spec.h: Likewise.
6923         * config/frv/cmovd.c: Likewise.
6924         * config/frv/cmovh.c: Likewise.
6925         * config/frv/cmovw.c: Likewise.
6926         * config/frv/frvbegin.c: Likewise.
6927         * config/frv/frvend.c: Likewise.
6928         * config/frv/lib1funcs.asm: Likewise.
6929         * config/glibc-stdint.h: Likewise.
6930         * config/h8300/clzhi2.c: Likewise.
6931         * config/h8300/crti.asm: Likewise.
6932         * config/h8300/crtn.asm: Likewise.
6933         * config/h8300/ctzhi2.c: Likewise.
6934         * config/h8300/fixunssfsi.c: Likewise.
6935         * config/h8300/lib1funcs.asm: Likewise.
6936         * config/h8300/parityhi2.c: Likewise.
6937         * config/h8300/popcounthi2.c: Likewise.
6938         * config/i386/ammintrin.h: Likewise.
6939         * config/i386/att.h: Likewise.
6940         * config/i386/avxintrin.h: Likewise.
6941         * config/i386/biarch64.h: Likewise.
6942         * config/i386/bmmintrin.h: Likewise.
6943         * config/i386/cpuid.h: Likewise.
6944         * config/i386/cross-stdarg.h: Likewise.
6945         * config/i386/crtfastmath.c: Likewise.
6946         * config/i386/crtprec.c: Likewise.
6947         * config/i386/cygming-crtbegin.c: Likewise.
6948         * config/i386/cygming-crtend.c: Likewise.
6949         * config/i386/cygwin.asm: Likewise.
6950         * config/i386/emmintrin.h: Likewise.
6951         * config/i386/gmm_malloc.h: Likewise.
6952         * config/i386/gthr-win32.c: Likewise.
6953         * config/i386/i386.h: Likewise.
6954         * config/i386/immintrin.h: Likewise.
6955         * config/i386/linux-unwind.h: Likewise.
6956         * config/i386/linux64.h: Likewise.
6957         * config/i386/mm3dnow.h: Likewise.
6958         * config/i386/mmintrin-common.h: Likewise.
6959         * config/i386/mmintrin.h: Likewise.
6960         * config/i386/nmmintrin.h: Likewise.
6961         * config/i386/pmm_malloc.h: Likewise.
6962         * config/i386/pmmintrin.h: Likewise.
6963         * config/i386/smmintrin.h: Likewise.
6964         * config/i386/sol2-c1.asm: Likewise.
6965         * config/i386/sol2-ci.asm: Likewise.
6966         * config/i386/sol2-cn.asm: Likewise.
6967         * config/i386/sol2-gc1.asm: Likewise.
6968         * config/i386/tmmintrin.h: Likewise.
6969         * config/i386/unix.h: Likewise.
6970         * config/i386/w32-unwind.h: Likewise.
6971         * config/i386/wmmintrin.h: Likewise.
6972         * config/i386/x86-64.h: Likewise.
6973         * config/i386/x86intrin.h: Likewise.
6974         * config/i386/xmmintrin.h: Likewise.
6975         * config/ia64/crtbegin.asm: Likewise.
6976         * config/ia64/crtend.asm: Likewise.
6977         * config/ia64/crtfastmath.c: Likewise.
6978         * config/ia64/crti.asm: Likewise.
6979         * config/ia64/crtn.asm: Likewise.
6980         * config/ia64/fde-glibc.c: Likewise.
6981         * config/ia64/lib1funcs.asm: Likewise.
6982         * config/ia64/linux-unwind.h: Likewise.
6983         * config/ia64/quadlib.c: Likewise.
6984         * config/ia64/unwind-ia64.c: Likewise.
6985         * config/linux.h: Likewise.
6986         * config/m32c/m32c-lib1.S: Likewise.
6987         * config/m32c/m32c-lib2-trapv.c: Likewise.
6988         * config/m32c/m32c-lib2.c: Likewise.
6989         * config/m32r/initfini.c: Likewise.
6990         * config/m68hc11/larith.asm: Likewise.
6991         * config/m68hc11/m68hc11-crt0.S: Likewise.
6992         * config/m68k/cf.md: Likewise.
6993         * config/m68k/crti.s: Likewise.
6994         * config/m68k/crtn.s: Likewise.
6995         * config/m68k/lb1sf68.asm: Likewise.
6996         * config/m68k/linux-unwind.h: Likewise.
6997         * config/mcore/crti.asm: Likewise.
6998         * config/mcore/crtn.asm: Likewise.
6999         * config/mcore/lib1.asm: Likewise.
7000         * config/mips/linux-unwind.h: Likewise.
7001         * config/mips/loongson.h: Likewise.
7002         * config/mips/mips16.S: Likewise.
7003         * config/mmix/crti.asm: Likewise.
7004         * config/mmix/crtn.asm: Likewise.
7005         * config/pa/fptr.c: Likewise.
7006         * config/pa/hpux-unwind.h: Likewise.
7007         * config/pa/lib2funcs.asm: Likewise.
7008         * config/pa/linux-atomic.c: Likewise.
7009         * config/pa/linux-unwind.h: Likewise.
7010         * config/pa/milli64.S: Likewise.
7011         * config/pa/quadlib.c: Likewise.
7012         * config/pa/stublib.c: Likewise.
7013         * config/picochip/libgccExtras/adddi3.asm: Likewise.
7014         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
7015         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
7016         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
7017         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
7018         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
7019         * config/picochip/libgccExtras/divmod15.asm: Likewise.
7020         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
7021         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
7022         * config/picochip/libgccExtras/longjmp.asm: Likewise.
7023         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
7024         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
7025         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
7026         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
7027         * config/picochip/libgccExtras/setjmp.asm: Likewise.
7028         * config/picochip/libgccExtras/subdi3.asm: Likewise.
7029         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
7030         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
7031         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
7032         * config/rs6000/750cl.h: Likewise.
7033         * config/rs6000/altivec.h: Likewise.
7034         * config/rs6000/biarch64.h: Likewise.
7035         * config/rs6000/crtresfpr.asm: Likewise.
7036         * config/rs6000/crtresgpr.asm: Likewise.
7037         * config/rs6000/crtresxfpr.asm: Likewise.
7038         * config/rs6000/crtresxgpr.asm: Likewise.
7039         * config/rs6000/crtsavfpr.asm: Likewise.
7040         * config/rs6000/crtsavgpr.asm: Likewise.
7041         * config/rs6000/darwin-asm.h: Likewise.
7042         * config/rs6000/darwin-fallback.c: Likewise.
7043         * config/rs6000/darwin-fpsave.asm: Likewise.
7044         * config/rs6000/darwin-ldouble.c: Likewise.
7045         * config/rs6000/darwin-tramp.asm: Likewise.
7046         * config/rs6000/darwin-unwind.h: Likewise.
7047         * config/rs6000/darwin-vecsave.asm: Likewise.
7048         * config/rs6000/darwin-world.asm: Likewise.
7049         * config/rs6000/e500crtres32gpr.asm: Likewise.
7050         * config/rs6000/e500crtres64gpr.asm: Likewise.
7051         * config/rs6000/e500crtres64gprctr.asm: Likewise.
7052         * config/rs6000/e500crtrest32gpr.asm: Likewise.
7053         * config/rs6000/e500crtrest64gpr.asm: Likewise.
7054         * config/rs6000/e500crtresx32gpr.asm: Likewise.
7055         * config/rs6000/e500crtresx64gpr.asm: Likewise.
7056         * config/rs6000/e500crtsav32gpr.asm: Likewise.
7057         * config/rs6000/e500crtsav64gpr.asm: Likewise.
7058         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
7059         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
7060         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
7061         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
7062         * config/rs6000/eabi-ci.asm: Likewise.
7063         * config/rs6000/eabi-cn.asm: Likewise.
7064         * config/rs6000/eabi.asm: Likewise.
7065         * config/rs6000/linux-unwind.h: Likewise.
7066         * config/rs6000/linux64.h: Likewise.
7067         * config/rs6000/paired.h: Likewise.
7068         * config/rs6000/paired.md: Likewise.
7069         * config/rs6000/ppc64-fp.c: Likewise.
7070         * config/rs6000/ppu_intrinsics.h: Likewise.
7071         * config/rs6000/rs6000.h: Likewise.
7072         * config/rs6000/si2vmx.h: Likewise.
7073         * config/rs6000/sol-ci.asm: Likewise.
7074         * config/rs6000/sol-cn.asm: Likewise.
7075         * config/rs6000/spe.h: Likewise.
7076         * config/rs6000/spu2vmx.h: Likewise.
7077         * config/rs6000/sysv4.h: Likewise.
7078         * config/rs6000/tramp.asm: Likewise.
7079         * config/rs6000/vec_types.h: Likewise.
7080         * config/s390/linux-unwind.h: Likewise.
7081         * config/s390/tpf-unwind.h: Likewise.
7082         * config/score/crti.asm: Likewise.
7083         * config/score/crtn.asm: Likewise.
7084         * config/sh/crt1.asm: Likewise.
7085         * config/sh/crti.asm: Likewise.
7086         * config/sh/crtn.asm: Likewise.
7087         * config/sh/divtab-sh4-300.c: Likewise.
7088         * config/sh/divtab-sh4.c: Likewise.
7089         * config/sh/divtab.c: Likewise.
7090         * config/sh/lib1funcs-4-300.asm: Likewise.
7091         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
7092         * config/sh/lib1funcs.asm: Likewise.
7093         * config/sh/lib1funcs.h: Likewise.
7094         * config/sh/linux-atomic.asm: Likewise.
7095         * config/sh/linux-unwind.h: Likewise.
7096         * config/sh/shmedia.h: Likewise.
7097         * config/sh/sshmedia.h: Likewise.
7098         * config/sh/ushmedia.h: Likewise.
7099         * config/sparc/crtfastmath.c: Likewise.
7100         * config/sparc/linux-unwind.h: Likewise.
7101         * config/sparc/sol2-c1.asm: Likewise.
7102         * config/sparc/sol2-ci.asm: Likewise.
7103         * config/sparc/sol2-cn.asm: Likewise.
7104         * config/spu/divmodti4.c: Likewise.
7105         * config/spu/divv2df3.c: Likewise.
7106         * config/spu/float_disf.c: Likewise.
7107         * config/spu/float_unsdidf.c: Likewise.
7108         * config/spu/float_unsdisf.c: Likewise.
7109         * config/spu/float_unssidf.c: Likewise.
7110         * config/spu/mfc_multi_tag_release.c: Likewise.
7111         * config/spu/mfc_multi_tag_reserve.c: Likewise.
7112         * config/spu/mfc_tag_release.c: Likewise.
7113         * config/spu/mfc_tag_reserve.c: Likewise.
7114         * config/spu/mfc_tag_table.c: Likewise.
7115         * config/spu/multi3.c: Likewise.
7116         * config/spu/spu_internals.h: Likewise.
7117         * config/spu/spu_intrinsics.h: Likewise.
7118         * config/spu/spu_mfcio.h: Likewise.
7119         * config/spu/vec_types.h: Likewise.
7120         * config/spu/vmx2spu.h: Likewise.
7121         * config/stormy16/stormy16-lib2.c: Likewise.
7122         * config/svr4.h: Likewise.
7123         * config/sync.c: Likewise.
7124         * config/v850/lib1funcs.asm: Likewise.
7125         * config/vxlib-tls.c: Likewise.
7126         * config/vxlib.c: Likewise.
7127         * config/vxworks-dummy.h: Likewise.
7128         * config/xtensa/crti.asm: Likewise.
7129         * config/xtensa/crtn.asm: Likewise.
7130         * config/xtensa/ieee754-df.S: Likewise.
7131         * config/xtensa/ieee754-sf.S: Likewise.
7132         * config/xtensa/lib1funcs.asm: Likewise.
7133         * config/xtensa/lib2funcs.S: Likewise.
7134         * config/xtensa/linux-unwind.h: Likewise.
7135         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
7136         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
7137         * coretypes.h: Likewise.
7138         * crtstuff.c: Likewise.
7139         * defaults.h: Likewise.
7140         * dwarf2.h: Likewise.
7141         * emutls.c: Likewise.
7142         * gbl-ctors.h: Likewise.
7143         * gcov-io.h: Likewise.
7144         * ginclude/float.h: Likewise.
7145         * ginclude/iso646.h: Likewise.
7146         * ginclude/stdarg.h: Likewise.
7147         * ginclude/stdbool.h: Likewise.
7148         * ginclude/stddef.h: Likewise.
7149         * ginclude/stdfix.h: Likewise.
7150         * ginclude/stdint-gcc.h: Likewise.
7151         * ginclude/tgmath.h: Likewise.
7152         * gthr-aix.h: Likewise.
7153         * gthr-dce.h: Likewise.
7154         * gthr-gnat.c: Likewise.
7155         * gthr-gnat.h: Likewise.
7156         * gthr-lynx.h: Likewise.
7157         * gthr-mipssde.h: Likewise.
7158         * gthr-nks.h: Likewise.
7159         * gthr-posix.c: Likewise.
7160         * gthr-posix.h: Likewise.
7161         * gthr-posix95.h: Likewise.
7162         * gthr-rtems.h: Likewise.
7163         * gthr-single.h: Likewise.
7164         * gthr-solaris.h: Likewise.
7165         * gthr-tpf.h: Likewise.
7166         * gthr-vxworks.h: Likewise.
7167         * gthr-win32.h: Likewise.
7168         * gthr.h: Likewise.
7169         * libgcc2.c: Likewise.
7170         * libgcc2.h: Likewise.
7171         * libgcov.c: Likewise.
7172         * tsystem.h: Likewise.
7173         * typeclass.h: Likewise.
7174         * unwind-c.c: Likewise.
7175         * unwind-compat.h: Likewise.
7176         * unwind-dw2-fde-compat.c: Likewise.
7177         * unwind-dw2-fde-darwin.c: Likewise.
7178         * unwind-dw2-fde-glibc.c: Likewise.
7179         * unwind-dw2-fde.c: Likewise.
7180         * unwind-dw2-fde.h: Likewise.
7181         * unwind-dw2.c: Likewise.
7182         * unwind-dw2.h: Likewise.
7183         * unwind-generic.h: Likewise.
7184         * unwind-pe.h: Likewise.
7185         * unwind-sjlj.c: Likewise.
7186         * unwind.inc: Likewise.
7187         * config/arm/neon-gen.ml: Change generated copyright header to
7188         refer to version 3 of the GNU General Public License with
7189         version 3.1 of the GCC Runtime Library Exception and to point
7190         readers at the COPYING3 and COPYING3.RUNTIME files and the
7191         FSF's license web page.
7192         * config/arm/arm_neon.h: Regenerate.
7193
7194 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
7195
7196         * config/cris/cris.md: Change copyright header to refer to version
7197         3 of the GNU General Public License.
7198         * doc/install.texi2html: Change copyright header to refer to version
7199         3 of the GNU General Public License and to point readers at the
7200         COPYING3 file and the FSF's license web page.
7201         * config/vax/linux.h: Likewise.
7202
7203 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
7204
7205         * config/i386/i386.md (cmpcc): New.
7206         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
7207         (sync_compare_and_swap_cc*): Delete.
7208
7209         * config/s390/s390.c (s390_compare_emitted): Remove.
7210         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
7211         s390_compare_emitted used to be handled.  Assert that modes match.
7212         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
7213         refer to sync_compare_and_swap_ccsi.
7214         * config/s390/s390.h (s390_compare_emitted): Remove.
7215         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
7216         instead of s390_compare_emitted.
7217         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
7218         instead of s390_compare_emitted.
7219         * config/s390/s390.md (cmpcc): New.
7220         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
7221         CC_REGNUM, do not pretend it's set.
7222         (sync_compare_and_swap_cc*): Delete.
7223         * config/s390/predicates.md (cc_reg_operand): New.
7224
7225         * expr.c (sync_compare_and_swap_cc): Delete.
7226         * optabs.h (sync_compare_and_swap_cc): Delete.
7227         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
7228         is being used with can_compare_p.
7229         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
7230         (find_cc_set): New.
7231         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
7232         look for a MODE_CC set instead.  Use emit_store_flag.
7233         (expand_compare_and_swap_loop): Likewise, with some additional
7234         complication to avoid a force_reg when useless.  Use
7235         emit_cmp_and_jump_insns.
7236         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
7237         * doc/md.texi (sync_compare_and_swap_cc): Merge with
7238         sync_compare_and_swap documentation.
7239
7240 2009-04-09  Jan Hubicka  <jh@suse.cz>
7241
7242         * except.c (find_prev_try): Break out from ....
7243         (duplicate_eh_regions): ... here; properly update prev_try pointers
7244         when duplication part of tree.
7245         (dump_eh_tree): Improve dumping.
7246         (verify_eh_region): New.
7247         (verify_eh_tree): Use it.
7248
7249 2009-04-06  Richard Guenther  <rguenther@suse.de>
7250
7251         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
7252         &ARRAY addresses by adjusting their types and prepending
7253         a conversion.
7254         * tree-cfg.c (verify_gimple_assign_single): Verify that
7255         addresses are correct.
7256
7257 2009-04-09  Richard Guenther  <rguenther@suse.de>
7258
7259         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
7260         indices into an array reference if possible.
7261         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7262         Fold POINTER_PLUS_EXPR statements with invariant address.
7263
7264 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
7265
7266         PR target/39634
7267         * config.gcc (powerpc64-*-linux*): Always build biarch.
7268
7269 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
7270
7271         PR c/39613
7272         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
7273         it and pedwarn if this results in an INTEGER_CST.
7274
7275 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7276
7277         * doc/install.texi: Update minimum GMP version.  Remove obsolete
7278         text in MPFR section.
7279
7280 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
7281
7282         * dwarf2out.c (class_scope_p): New static inline.
7283         (class_or_namespace_scope_p): Use it.
7284         (gen_variable_die): Use DW_TAG_member tag for static data member
7285         declarations instead of DW_TAG_variable.
7286
7287         PR middle-end/39573
7288         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
7289         variables.
7290
7291 2009-04-08  Richard Guenther  <rguenther@suse.de>
7292
7293         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
7294         valueize random data.
7295
7296 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
7297
7298         * config.gcc (aix tm_file):  Add aix-stdint.h.
7299         (aix tm clause use_gcc_stdint):  Set to wrap.
7300         * config/rs6000/aix-stdint.h:  New file.
7301
7302 2009-04-08  Richard Guenther  <rguenther@suse.de>
7303
7304         PR middle-end/36291
7305         * tree-dfa.c (add_referenced_var): Do not recurse into
7306         global initializers.
7307         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
7308         exposed variables.
7309         (fold_const_aggregate_ref): Likewise.
7310
7311 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7312
7313         * recog.c (ordered_comparison_operator): New.
7314         * gensupport.c (std_preds): Add it.
7315         * doc/md.texi (Machine-Independent Predicates): Document it.
7316
7317 2009-04-08  Jan Hubicka  <jh@suse.cz>
7318
7319         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
7320         * function.h (rtl_eh): Remove exception_handler_label_map.
7321         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
7322         remove_exception_handler_label, for_each_eh_label_1): Remove.
7323         (rtl_remove_unreachable_regions): Remove.
7324         (convert_from_eh_region_ranges): Do not remove unreachable regions.
7325         (find_exception_handler_labels): Don't build the hashtable.
7326         (maybe_remove_eh_handler): Remove.
7327         (for_each_eh_label): Rewrite to walk the tree.
7328         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
7329         * except.h (maybe_remove_eh_handler): Remove.
7330         * passes.c (init_optimization_passes): Schedule second EH cleanup
7331         before out-of-ssa.
7332         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
7333         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
7334
7335 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7336
7337         * genoutput.c (validate_optab_operands): New.
7338         (gen_insn, gen_expand): Call it.
7339
7340         * genflags.c (gen_insn): Detect misused iterators.
7341         (main): Pass line_no to gen_insn, exit with status 1 on error.
7342
7343         * genextract.c (line_no): Make global.
7344         (VEC_safe_set_locstr): Change assertion to error message.
7345         (main): Exit with status 1 on error.
7346
7347 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
7348
7349         PR c/39614
7350         PR c/39673
7351         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7352         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7353         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
7354         * c-convert.c (convert): Do not call fold on results of conversion
7355         functions when the result is a C_MAYBE_CONST_EXPR.
7356         * c-parser.c (c_parser_postfix_expression): Do not fold condition
7357         of __builtin_choose_expr.
7358         * c-typeck.c (remove_c_maybe_const_expr): New.
7359         (build_unary_op, build_conditional_expr, build_compound_expr,
7360         build_binary_op, c_objc_common_truthvalue_conversion): Call
7361         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
7362         integer operands.
7363
7364 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
7365
7366         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
7367         CODE to produce a new one. Add a prototype to use fold_convert_const
7368
7369 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
7370
7371         PR bootstrap/39660
7372         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
7373         mix declarations and code.
7374
7375 2009-04-08  Ben Elliston  <bje@au.ibm.com>
7376
7377         * gcc.c: Replace `CC' with `GCC' throughout.
7378
7379 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
7380
7381         * doc/invoke.texi: Document Atom support.
7382
7383 2009-04-07  Jason Merrill  <jason@redhat.com>
7384
7385         PR c++/25185
7386         * c-common.h, c-common.c: Add flag_pretty_templates.
7387         * c-opts.c (c_common_handle_option): Set it.
7388         * c.opt: Add -fno-pretty-templates.
7389         * doc/invoke.texi (C++ Dialect Options): Likewise.
7390
7391 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
7392
7393         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
7394         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
7395         (ia64_expand_builtin): Likewise.
7396
7397 2009-04-07  Martin Jambor  <mjambor@suse.cz>
7398
7399         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
7400         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
7401         ADDR_EXPRS are include too.
7402
7403 2009-04-07  Richard Guenther  <rguenther@suse.de>
7404
7405         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
7406         decls are only used if passes as parameters or if they are
7407         local statics and the call is not to a builtin.
7408         (call_may_clobber_ref_p_1): Likewise.
7409
7410 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7411
7412         * expr.c (do_store_flag): Remove last argument.  Simplify code
7413         to avoid duplication of tests already done by can_compare_p.
7414         (expand_expr_real_1): Adjust caller.
7415
7416 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7417
7418         * optabs.c (can_compare_p): Test the predicate of a
7419         cbranch and cstore pattern.
7420
7421 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7422
7423         * expr.c (convert_move): Use emit_store_flag instead of
7424         "emulating" it.
7425
7426 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7427
7428         * config/i386/i386.c (ix86_compare_emitted): Remove.
7429         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
7430         ix86_compare_op0 like ix86_compare_emitted used to be handled.
7431         * config/i386/i386.h (ix86_compare_emitted): Remove.
7432         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
7433         instead of ix86_compare_emitted.
7434         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
7435
7436 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
7437
7438         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
7439         Add t-sysroot-suffix to tmake_file.
7440         * config/print-sysroot-suffix.sh: New file.
7441         * config/t-sysroot-suffix: New file.
7442
7443 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7444
7445         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
7446         as the latter produces a warning when the target does not support
7447         infinity.
7448
7449 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7450
7451         * dfp.c: Replace type punning assignments with memcpy throughout.
7452         * Makefile.in (dfp.o-warn): Remove.
7453
7454 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
7455
7456         PR target/39634
7457         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
7458         Include soft-fp/t-softfp after rs6000/t-linux64.
7459
7460 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7461
7462         * stor-layout.c (set_sizetype): Use the full precision of their
7463         machine mode for bitsize types.
7464
7465 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
7466
7467         * config/i386/i386.md: Revert 2 accidental checkins.
7468
7469 2009-04-06  Joey Ye  <joey.ye@intel.com>
7470             Xuepeng Guo  <xuepeng.guo@intel.com>
7471             H.J. Lu  <hongjiu.lu@intel.com>
7472
7473         Atom pipeline model, tuning and insn selection.
7474         * config.gcc (atom): Add atom config options and target.
7475
7476         * config/i386/atom.md: New.
7477
7478         * config/i386/i386.c (atom_cost): New cost.
7479         (m_ATOM): New macro flag.
7480         (initial_ix86_tune_features): Set m_ATOM.
7481         (x86_accumulate_outgoing_args): Likewise.
7482         (x86_arch_always_fancy_math_387): Likewise.
7483         (processor_target): Add Atom cost.
7484         (cpu_names): Add Atom cpu name.
7485         (override_options): Set Atom ISA.
7486         (ix86_issue_rate): New case PROCESSOR_ATOM.
7487         (ix86_adjust_cost): Likewise.
7488
7489         * config/i386/i386.h (TARGET_ATOM): New target macro.
7490         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
7491         (TARGET_OPT_AGU): New target option.
7492         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
7493         (processor_type): Add PROCESSOR_ATOM.
7494
7495         * config/i386/i386.md (cpu): Add new value "atom".
7496         (use_carry, movu): New attr.
7497         (atom.md): Include atom.md.
7498         (adddi3_carry_rex64): Set attr "use_carry".
7499         (addqi3_carry): Likewise.
7500         (addhi3_carry): Likewise.
7501         (addsi3_carry): Likewise.
7502         (*addsi3_carry_zext): Likewise.
7503         (subdi3_carry_rex64): Likewise.
7504         (subqi3_carry): Likewise.
7505         (subhi3_carry): Likewise.
7506         (subsi3_carry): Likewise.
7507         (x86_movdicc_0_m1_rex64): Likewise.
7508         (*x86_movdicc_0_m1_se): Likewise.
7509         (x86_movsicc_0_m1): Likewise.
7510         (*x86_movsicc_0_m1_se): Likewise.
7511         (*adddi_1_rex64): Emit add insn as much as possible.
7512         (*addsi_1): Likewise.
7513         (return_internal): Set atom_unit.
7514         (return_internal_long): Likewise.
7515         (return_pop_internal): Likewise.
7516         (*rcpsf2_sse): Set atom_sse_attr attr.
7517         (*qrt<mode>2_sse): Likewise.
7518         (*prefetch_sse): Likewise.
7519
7520         * config/i386/i386-c.c (ix86_target_macros_internal): New case
7521         PROCESSOR_ATOM.
7522         (ix86_target_macros_internal): Likewise.
7523
7524         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
7525         (*prefetch_sse_rex): Likewise.
7526         (sse_rcpv4sf2): Likewise.
7527         (sse_vmrcpv4sf2): Likewise.
7528         (sse_sqrtv4sf2): Likewise.
7529         (<sse>_vmsqrt<mode>2): Likewise.
7530         (sse_ldmxcsr): Likewise.
7531         (sse_stmxcsr): Likewise.
7532         (*sse_sfence): Likewise.
7533         (sse2_clflush): Likewise.
7534         (*sse2_mfence): Likewise.
7535         (*sse2_lfence): Likewise.
7536         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
7537         (<sse>_movup<ssemodesuffixf2c>): Likewise.
7538         (avx_movdqu<avxmodesuffix>): Likewise.
7539         (avx_lddqu<avxmodesuffix>): Likewise.
7540         (sse2_movntv2di): Change attr "type" to "ssemov".
7541         (sse2_movntsi): Likewise.
7542         (rsqrtv8sf2): Change attr "type" to "sseadd".
7543         (sse3_addsubv2df3): Set attr "atom_unit".
7544         (sse3_h<plusminus_insn>v4sf3): Likewise.
7545         (*sse2_pmaddwd): Likewise.
7546         (*vec_extractv2di_1_rex64): Likewise.
7547         (*vec_extractv2di_1_avx): Likewise.
7548         (sse2_psadbw): Likewise.
7549         (ssse3_phaddwv8hi3): Likewise.
7550         (ssse3_phaddwv4hi3): Likewise.
7551         (ssse3_phadddv4si3): Likewise.
7552         (ssse3_phadddv2si3): Likewise.
7553         (ssse3_phaddswv8hi3): Likewise.
7554         (ssse3_phaddswv4hi3): Likewise.
7555         (ssse3_phsubwv8hi3): Likewise.
7556         (ssse3_phsubwv4hi3): Likewise.
7557         (ssse3_phsubdv4si3): Likewise.
7558         (ssse3_phsubdv2si3): Likewise.
7559         (ssse3_phsubswv8hi3): Likewise.
7560         (ssse3_phsubswv4hi3): Likewise.
7561         (ssse3_pmaddubsw128): Likewise.
7562         (sse3_pmaddubsw: Likewise.
7563         (ssse3_palignrti): Likewise.
7564         (ssse3_palignrdi): Likewise.
7565
7566 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
7567
7568         * doc/install.texi (Specific): Fix two cross-references to MinGW.
7569
7570 2009-04-06  Richard Guenther  <rguenther@suse.de>
7571
7572         PR tree-optimization/28868
7573         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
7574         of which PHI results we inserted.
7575         (insert_into_preds_of_block): Record inserted PHIs.
7576         (eliminate): Eliminate redundant PHI nodes.
7577         (init_pre): Init inserted_phi_names.
7578
7579 2009-04-06  Richard Guenther  <rguenther@suse.de>
7580
7581         PR tree-optimization/39643
7582         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
7583         IMAGPART_EXPRs of complex constants.
7584         (execute_fold_all_builtins): If we folded a call queue
7585         TODO_update_address_taken.
7586
7587 2009-04-06  Jan Hubicka  <jh@suse.cz>
7588
7589         PR middle-end/39659
7590         * except.c (remove_unreachable_regions): Propagate may_contain_throw
7591         flag.
7592
7593 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
7594
7595         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
7596         delay slot.
7597         (ic_invalidate_array): Likewise.
7598
7599 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
7600
7601         * calls.c (emit_library_call_value_1): Fix a problem with parameter
7602         alignment for library calls.
7603
7604 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
7605
7606         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
7607         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
7608         * config/i386/mingw-stdint.h:  New file.
7609
7610 2009-04-05  Richard Guenther  <rguenther@suse.de>
7611
7612         PR tree-optimization/39648
7613         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
7614         our &A vs. &A[0] IL deficiencies.
7615
7616 2009-04-04  Jan Hubicka  <jh@suse.cz>
7617
7618         * except.c (sjlj_find_directly_reachable_regions): Be ready for
7619         removed toplevel regions.
7620         (sjlj_mark_call_sites): Likewise.
7621
7622 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
7623
7624         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
7625         (cygwin tm clause use_gcc_stdint):  Set to wrap.
7626         * config/i386/cygwin-stdint.h:  New file.
7627
7628 2009-04-04  Richard Guenther  <rguenther@suse.de>
7629
7630         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
7631         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
7632         single-argument PHIs if we are in loop-closed SSA form.
7633         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7634         for the pre-condition.
7635         (slpeel_tree_peel_loop_to_edge): Likewise.
7636         (vect_build_loop_niters): Take an optional sequence to append stmts.
7637         (vect_generate_tmps_on_preheader): Likewise.
7638         (vect_do_peeling_for_loop_bound): Take extra guards for the
7639         pre-condition.
7640         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
7641         the cost model check.
7642         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7643         guards if we are going to peel.  Do not apply versioning in that case.
7644         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
7645         (vect_do_peeling_for_loop_bound): Likewise.
7646         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
7647         loop bound only record extra pre-conditions, do not apply loop
7648         versioning.
7649
7650 2009-04-04  Richard Guenther  <rguenther@suse.de>
7651
7652         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
7653         renaming code.
7654
7655 2009-04-04  Jan Hubicka  <jh@suse.cz>
7656
7657         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7658         last_basic_block for size of bb->index indexed array.
7659         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
7660         compute_out, link_btr_uses, build_btr_def_use_webs,
7661         build_btr_def_use_webs, migrate_btr_defs): Likewise.
7662
7663 2009-04-04  Jan Hubicka  <jh@suse.cz>
7664
7665         * except.c (remove_eh_handler_and_replace): Break out from ...
7666         (remove_eh_handler): ... here.
7667         (bring_to_root): New function.
7668         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7669         handled ones, bring others to root of tree.
7670
7671 2009-04-04  Jan Hubicka  <jh@suse.cz>
7672
7673         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
7674         (all_phis_safe_to_merge): New function.
7675         (update_info): New structure.
7676         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
7677         (cleanup_empty_eh): Update SSA if possible.
7678
7679 2009-04-04  Richard Guenther  <rguenther@suse.de>
7680
7681         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
7682         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
7683         (append_vuse): Likewise.
7684
7685 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
7686
7687         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
7688         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
7689         instead of REG_UNSAVED for DW_CFA_undefined.
7690         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
7691         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
7692         outermost frame.
7693
7694 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
7695
7696         PR target/39501
7697         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
7698         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
7699         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
7700
7701 2009-04-04  Richard Guenther  <rguenther@suse.de>
7702
7703         PR tree-optimization/8781
7704         PR tree-optimization/37892
7705         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
7706         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
7707         (valueize_refs): Call it for *& valueizations.
7708         (shared_reference_ops_from_ref): Rename to ...
7709         (valueize_shared_reference_ops_from_ref): ... this and valueize.
7710         (shared_reference_ops_from_call): Rename to ...
7711         (valueize_shared_reference_ops_from_call): ... this and valueize.
7712         (vn_reference_lookup): Update.
7713         (visit_reference_op_call): Likewise.
7714         * tree-ssa-pre.c (phi_translate_1): Fold *&.
7715         (eliminate): Value-replace the call address in call statements.
7716
7717 2009-04-04  Richard Guenther  <rguenther@suse.de>
7718
7719         PR tree-optimization/39636
7720         * tree-ssa-forwprop.c
7721         (forward_propagate_addr_into_variable_array_index): Check for
7722         GIMPLE_ASSIGN before accessing the rhs code.
7723
7724 2009-04-03  Jason Merrill  <jason@redhat.com>
7725
7726         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
7727
7728 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
7729
7730         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
7731         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
7732         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
7733         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
7734         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
7735         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
7736         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
7737         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
7738         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
7739         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
7740         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
7741         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
7742         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
7743         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
7744         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
7745         Use fr_reg_or_fp01_operand instead of fr_register_operand
7746
7747         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
7748         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
7749         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
7750
7751 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
7752
7753         PR rtl-optimization/39607
7754         PR rtl-optimization/39631
7755
7756         Revert:
7757
7758         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7759         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7760         instead of DF_LR_OUT.
7761         * ira-lives.c (process_bb_node_lives): Ditto.
7762         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7763         instead of DF_LR_{OUT,IN}.
7764         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7765         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7766
7767 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7768
7769         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7770         (execute_lower_omp): Always run but take the short way out if -fopenmp
7771         is not given.
7772         (gate_lower_omp): Remove, forcing the pass manager to always run the
7773         pass and always set PROP_gimple_lomp.
7774         (pass_lower_omp): Remove gate function.
7775         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7776         PROP_trees.  Instead, require it.
7777         * ipa-cp.c (pass_ipa_cp): Likewise.
7778         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7779         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7780         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7781         and PROP_gimple_leh.
7782
7783 2009-04-03  Richard Guenther  <rguenther@suse.de>
7784
7785         PR middle-end/13146
7786         PR tree-optimization/23940
7787         PR tree-optimization/33237
7788         PR middle-end/33974
7789         PR middle-end/34093
7790         PR tree-optimization/36201
7791         PR tree-optimization/36230
7792         PR tree-optimization/38049
7793         PR tree-optimization/38207
7794         PR tree-optimization/38230
7795         PR tree-optimization/38301
7796         PR tree-optimization/38585
7797         PR middle-end/38895
7798         PR tree-optimization/38985
7799         PR tree-optimization/39299
7800         * tree-ssa-structalias.h: Remove.
7801         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7802         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7803         (struct vuse_element_d): Remove.
7804         (struct vuse_vec_d): Likewise.
7805         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7806         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7807         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7808         VUSE_ELEMENT_VAR): Likewise.
7809         (struct voptype_d): Likewise.
7810         (NUM_VOP_FREE_BUCKETS): Likewise.
7811         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7812         (struct stmt_operands_d): Remove.
7813         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7814         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7815         VDEF_NUM, VDEF_VECT): Likewise.
7816         (copy_virtual_operands): Remove.
7817         (operand_build_cmp): Likewise.
7818         (create_ssa_artificial_load_stmt): Likewise.
7819         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7820         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7821         vuse_index and mayuse_index members.  Pack and move done and iter_type
7822         members to the front.
7823         (SSA_OP_VMAYUSE): Remove.
7824         (SSA_OP_VIRTUAL_USES): Adjust.
7825         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7826         (unlink_stmt_vdef): Declare.
7827         (add_to_addressable_set): Remove.
7828         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7829         (vrp_visit_stmt): Likewise.
7830         * doc/tree-ssa.texi (Alias analysis): Update.
7831         * doc/invoke.texi (max-aliased-vops): Remove docs.
7832         (avg-aliased-vops): Likewise.
7833         * tree-into-ssa.c (syms_to_rename): Remove.
7834         (need_to_update_vops_p): Likewise.
7835         (need_to_initialize_update_ssa_p): Rename to ...
7836         (update_ssa_initialized_fn): ... this.  Track function we are
7837         initialized for.
7838         (symbol_marked_for_renaming): Simplify.
7839         (add_new_name_mapping): Do not set need_to_update_vops_p.
7840         (dump_currdefs): Use SYMS_TO_RENAME.
7841         (rewrite_update_stmt): Always walk all uses/defs.
7842         (dump_update_ssa): Adjust.
7843         (init_update_ssa): Take function argument.  Track what we are
7844         initialized for.
7845         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7846         (create_new_def_for): Initialize for cfun, assert we are initialized
7847         for cfun.
7848         (mark_sym_for_renaming): Simplify.
7849         (mark_set_for_renaming): Do not initialize update-ssa.
7850         (need_ssa_update_p): Simplify.  Take function argument.
7851         (name_mappings_registered_p): Assert we ask for the correct function.
7852         (name_registered_for_update_p): Likewise.
7853         (ssa_names_to_replace): Likewise.
7854         (release_ssa_name_after_update_ssa): Likewise.
7855         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7856         (dump_decl_set): Do not print a newline.
7857         (debug_decl_set): Do it here.
7858         (dump_update_ssa): And here.
7859         * tree-ssa-loop-im.c (move_computations): Adjust.
7860         (movement_possibility): Likewise.
7861         (determine_max_movement): Likewise.
7862         (gather_mem_refs_stmt): Likewise.
7863         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7864         or NAME_MEMORY_TAG.
7865         * tree-complex.c (update_all_vops): Remove.
7866         (expand_complex_move): Adjust.
7867         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7868         Simplify test for memory referencing statement.  Exclude
7869         non-invariant ADDR_EXPRs.
7870         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7871         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7872         (rdg_flag_uses): Likewise.
7873         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7874         related code.
7875         (tree_optimize_tail_calls_1): Also split the
7876         edge from the entry block if we have degenerate PHI nodes in
7877         the first basic block.
7878         * tree.c (init_ttree): Remove memory-tag related code.
7879         (tree_code_size): Likewise.
7880         (tree_node_structure): Likewise.
7881         (build7_stat): Re-write to be build6_stat.
7882         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7883         (SSA_VAR_P): Adjust.
7884         (struct tree_memory_tag): Remove.
7885         (struct tree_memory_partition_tag): Likewise.
7886         (union tree_node): Adjust.
7887         (build7): Re-write to be build6.
7888         * tree-pass.h (pass_reset_cc_flags): Remove.
7889         (TODO_update_address_taken): New flag.
7890         (pass_simple_dse): Remove.
7891         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7892         * params.h (MAX_ALIASED_VOPS): Remove.
7893         (AVG_ALIASED_VOPS): Likewise.
7894         * omp-low.c (expand_omp_taskreg): Update SSA form.
7895         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7896         aliases the lhs in a copy stmt.
7897         * tree-ssa-dse.c (struct address_walk_data): Remove.
7898         (memory_ssa_name_same): Likewise.
7899         (memory_address_same): Likewise.
7900         (get_kill_of_stmt_lhs): Likewise.
7901         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7902         unused stores.  Look through PHI nodes into post-dominated regions.
7903         (dse_optimize_stmt): Simplify.  Properly remove stores.
7904         (tree_ssa_dse): Compute dominators.
7905         (execute_simple_dse): Remove.
7906         (pass_simple_dse): Likewise.
7907         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7908         gimple_loaded_syms and gimple_stored_syms computation.
7909         * toplev.c (dump_memory_report): Dump alias and pta stats.
7910         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7911         (vn_reference_eq): Likewise.
7912         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7913         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7914         valueize_vuses): Remove.
7915         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7916         (get_def_ref_stmt_vuse): ... this.
7917         (vn_reference_lookup_2): New function.
7918         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7919         walking equivalent vuses.  Simplify.
7920         (vn_reference_lookup): Likewise.
7921         (vn_reference_insert): Likewise.
7922         (vn_reference_insert_pieces): Likewise.
7923         (visit_reference_op_call): Simplify.
7924         (visit_reference_op_load): Likewise.
7925         (visit_reference_op_store): Likewise.
7926         (init_scc_vn): Remove shared_lookup_vuses initialization.
7927         (free_scc_vn): Remove shared_lookup_vuses freeing.
7928         (sort_vuses, sort_vuses_heap): Remove.
7929         (get_ref_from_reference_ops): Export.
7930         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7931         vector with single vuse pointer.
7932         (vn_reference_lookup_pieces, vn_reference_lookup,
7933         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7934         (shared_vuses_from_stmt): Remove.
7935         (get_ref_from_reference_ops): Declare.
7936         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7937         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7938         memory-tag related code.
7939         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7940         (likely_value): Add comment, skip static-chain of call statements.
7941         (surely_varying_stmt_p): Adjust.
7942         (gimplify_and_update_call_from_tree): Likewise.
7943         (execute_fold_all_builtins): Do not rebuild alias info.
7944         (gimplify_and_update_call_from_tree): Properly update VOPs.
7945         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7946         (copy_ref_info): Remove memory-tag related code.
7947         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7948         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7949         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7950         computation.
7951         * tree-ssa-dom.c (gimple_p): Remove typedef.
7952         (eliminate_redundant_computations): Adjust.
7953         (record_equivalences_from_stmt): Likewise.
7954         (avail_expr_hash): Likewise.
7955         (avail_expr_eq): Likewise.
7956         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7957         (stmt_makes_single_load): Likewise.
7958         (stmt_makes_single_store): Likewise.
7959         * tree-ssa-alias.c: Rewrite completely.
7960         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7961         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7962         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7963         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7964         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7965         Remove public functions.
7966         (pass_reset_cc_flags): Remove.
7967         (pass_build_alias): Move ...
7968         * tree-ssa-structalias.c (pass_build_alias): ... here.
7969         * tree-ssa-alias.c (may_be_aliased): Move ...
7970         * tree-flow-inline.h (may_be_aliased): ... here.
7971         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7972         count_uses_and_derefs): Move ...
7973         * gimple.c: ... here.
7974         * gimple.h (count_uses_and_derefs): Declare.
7975         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7976         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7977         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7978         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7979         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7980         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7981         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7982         New functions.
7983         * tree-dfa.c (refs_may_alias_p): Move ...
7984         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7985         * tree-ssa-alias.h: New file.
7986         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
7987         (statement_sink_location): Likewise.
7988         * opts.c (decode_options): Do not adjust max-aliased-vops or
7989         avg-aliased-vops values.
7990         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
7991         (TV_CALL_CLOBBER): Likewise.
7992         (TV_FLOW_SENSITIVE): Likewise.
7993         (TV_FLOW_INSENSITIVE): Likewise.
7994         (TV_MEMORY_PARTITIONING): Likewise.
7995         (TV_ALIAS_STMT_WALK): New timevar.
7996         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7997         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7998         (get_address_description): Remove memory-tag related code.
7999         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
8000         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
8001         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
8002         and immediate uses in statements.  Document.
8003         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
8004         (dump_symbols): Remove.
8005         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
8006         * alias.c (get_deref_alias_set): New function split out from ...
8007         (get_alias_set): ... here.
8008         * alias.h (get_deref_alias_set): Declare.
8009         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
8010         type parameter.  Remove restrict pointer handling.  Create a
8011         ref-all pointer in case type-based alias sets do not conflict.
8012         (vect_analyze_data_refs): Remove SMT related code.
8013         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
8014         (vectorizable_load): Likewise.
8015         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
8016         (DR_SYMBOL_TAG, DR_VOPS): Remove.
8017         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
8018         Ignore vops and SMTs.
8019         (dr_analyze_alias): Likewise..
8020         (free_data_ref): Likewise.
8021         (create_data_ref): Likewise.
8022         (analyze_all_data_dependences): Likewise.
8023         (get_references_in_stmt): Adjust.
8024         * tree-flow-inline.h (gimple_aliases_computed_p,
8025         gimple_addressable_vars, gimple_call_clobbered_vars,
8026         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
8027         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
8028         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
8029         gimple_mem_ref_stats): Remove.
8030         (gimple_vop): New function.
8031         (op_iter_next_use): Remove vuses and mayuses cases.
8032         (op_iter_next_def): Remove vdefs case.
8033         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
8034         (clear_and_done_ssa_iter): Do not set removed fields.
8035         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
8036         Assert we are not iterating over vuses or vdefs if not also
8037         iterating over uses or defs.
8038         (op_iter_init_use): Likewise.
8039         (op_iter_init_def): Likewise.
8040         (op_iter_next_vdef): Remove.
8041         (op_iter_next_mustdef): Likewise.
8042         (op_iter_init_vdef): Likewise.
8043         (compare_ssa_operands_equal): Likewise.
8044         (link_use_stmts_after): Handle vuse operand.
8045         (is_call_used): Use is_call_clobbered.
8046         (is_call_clobbered): Global variables are always call clobbered,
8047         query the call-clobbers bitmap.
8048         (mark_call_clobbered): Ignore global variables.
8049         (clear_call_clobbered): Likewise.
8050         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
8051         virtual operands sanity check.
8052         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
8053         Remove.
8054         (TARGET_MEM_REF): Remove TMR_TAG operand.
8055         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
8056         Remove call-clobber related code.
8057         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
8058         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
8059         partitions or escape reason.
8060         (get_single_def_stmt, get_single_def_stmt_from_phi,
8061         get_single_def_stmt_with_phi): Remove.
8062         (dump_referenced_vars): Tidy.
8063         (get_ref_base_and_extent): Allow bare decls.
8064         (collect_dfa_stats): Adjust.
8065         * graphite.c (rename_variables_in_stmt): Adjust.
8066         (graphite_copy_stmts_from_block): Likewise.
8067         (translate_clast): Likewise.
8068         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
8069         (EXPR_DIES): New.
8070         (translate_vuse_through_block): Use the oracle.
8071         (phi_translate_1): Adjust.
8072         (value_dies_in_block_x): Use the oracle.  Cache the outcome
8073         in EXPR_DIES.
8074         (valid_in_sets): Check if the VUSE for
8075         a REFERENCE is available.
8076         (eliminate): Do not remove stmts during elimination,
8077         instead queue and remove them afterwards.
8078         (do_pre): Do not rebuild alias info.
8079         (pass_pre): Run TODO_rebuild_alias before PRE.
8080         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
8081         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
8082         (mark_all_v_defs_stmt): Remove.
8083         (mark_all_v_defs_seq): Adjust.
8084         (sra_replace): Likewise.
8085         (scalarize_use): Likewise.
8086         (scalarize_copy): Likewise.
8087         (scalarize_init): Likewise.
8088         (scalarize_ldst): Likewise.
8089         (todoflags): Remove.
8090         (tree_sra): Do not rebuild alias info.
8091         (tree_sra_early): Adjust.
8092         (pass_sra): Run TODO_update_address_taken before SRA.
8093         * tree-predcom.c (set_alias_info): Remove.
8094         (prepare_initializers_chain): Do not call it.
8095         (mark_virtual_ops_for_renaming): Adjust.
8096         (mark_virtual_ops_for_renaming_list): Remove.
8097         (initialize_root_vars): Adjust.
8098         (initialize_root_vars_lm): Likewise.
8099         (prepare_initializers_chain): Likewise.
8100         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
8101         (may_propagate_copy_into_stmt): Likewise.
8102         (merge_alias_info): Do nothing for now.
8103         (propagate_tree_value_into_stmt): Adjust.
8104         (stmt_may_generate_copy): Likewise.
8105         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
8106         not mark symbols for renaming.
8107         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
8108         with the same statement, make sure to update the new pointed-to one.
8109         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
8110         call statements, do not mark symbols for renaming.
8111         (mark_operand_necessary): Dump something.
8112         (ref_may_be_aliased): New function.
8113         (mark_aliased_reaching_defs_necessary_1): New helper function.
8114         (mark_aliased_reaching_defs_necessary): Likewise.
8115         (mark_all_reaching_defs_necessary_1): Likewise.
8116         (mark_all_reaching_defs_necessary): Likewise.
8117         (propagate_necessity): Do not process virtual PHIs.  For
8118         non-aliased loads mark all reaching definitions as necessary.
8119         For aliased loads and stores mark the immediate dominating
8120         aliased clobbers as necessary.
8121         (visited): New global static.
8122         (perform_tree_ssa_dce): Free visited bitmap after propagating
8123         necessity.
8124         (remove_dead_phis): Perform simple dead virtual PHI removal.
8125         (remove_dead_stmt): Properly unlink virtual operands when
8126         removing stores.
8127         (eliminate_unnecessary_stmts): Schedule PHI removal after
8128         stmt removal.
8129         * tree-ssa-ter.c (is_replaceable_p): Adjust.
8130         (process_replaceable): Likewise.
8131         (find_replaceable_in_bb): Likewise.
8132         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
8133         based on the single gimple vop.
8134         (verify_flow_insensitive_alias_info): Remove.
8135         (verify_flow_sensitive_alias_info): Likewise.
8136         (verify_call_clobbering): Likewise.
8137         (verify_memory_partitions): Likewise.
8138         (verify_alias_info): Likewise.
8139         (verify_ssa): Adjust..
8140         (execute_update_addresses_taken): Export.  Update SSA
8141         manually.  Optimize only when optimizing.  Use a local bitmap.
8142         (pass_update_address_taken): Remove TODO_update_ssa, add
8143         TODO_dump_func.
8144         (pass_update_address_taken): Just use TODO_update_address_taken.
8145         (init_tree_ssa): Do not initialize addressable_vars.
8146         (verify_ssa): Verify new VUSE / VDEF properties.
8147         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
8148         Do not call verify_alias_info.
8149         (delete_tree_ssa): Clear the VUSE, VDEF operands.
8150         Do not free the loaded and stored syms bitmaps.  Reset the escaped
8151         and callused solutions.  Do not free addressable_vars.
8152         Remove memory-tag related code.
8153         (warn_uninitialized_var): Aliases are always available.
8154         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
8155         * lambda-code.c (can_put_in_inner_loop): Adjust.
8156         (can_put_after_inner_loop): Likewise.
8157         (perfect_nestify): Likewise.
8158         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
8159         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
8160         (vectorizable_conversion): Do not mark symbols for renaming.
8161         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
8162         (expand_call_inline): Unlink the calls virtual operands before
8163         replacing it.
8164         (tree_function_versioning): Do not call update_ssa if we are not
8165         updating clones.  Simplify.
8166         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
8167         (propagate_with_phi): Likewise..
8168         * tree-outof-ssa.c (create_temp): Remove memory tag and call
8169         clobber code.  Assert we are not aliased or global.
8170         * tree-flow.h: Include tree-ssa-alias.h
8171         (enum escape_type): Remove.
8172         (struct mem_sym_stats_d): Likewise.
8173         (struct mem_ref_stats_d): Likewise.
8174         (struct gimple_df): Add vop member.  Remove global_var,
8175         call_clobbered_vars, call_used_vars, addressable_vars,
8176         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
8177         escaped and callused members.
8178         (struct ptr_info_def): Remove all members, add points-to solution
8179         member pt.
8180         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
8181         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
8182         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
8183         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
8184         (tree-ssa-alias.o): Likewise.
8185         (toplev.o): Add tree-ssa-alias.h
8186         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
8187         * gimple.c (gimple_set_bb): Fix off-by-one error.
8188         (is_gimple_reg): Do not handle memory tags.
8189         (gimple_copy): Also copy virtual operands.
8190         Delay updating the statement.  Do not reset loaded and stored syms.
8191         (gimple_set_stored_syms): Remove.
8192         (gimple_set_loaded_syms): Likewise.
8193         (gimple_call_copy_skip_args): Copy the virtual operands
8194         and mark the new statement modified.
8195         * tree-ssa-structalias.c (may_alias_p): Remove.
8196         (set_uids_in_ptset): Take the alias set to prune with as
8197         parameter.  Fold in the alias test of may_alias_p.
8198         (compute_points_to_sets): Compute whether a ptr is dereferenced
8199         in a local sbitmap.
8200         (process_constraint): Deal with &ANYTHING on the lhs, reject all
8201         other ADDRESSOF constraints on the lhs.
8202         (get_constraint_for_component_ref): Assert that we don't get
8203         ADDRESSOF constraints from the base of the reference.
8204         Properly generate UNKNOWN_OFFSET for DEREF if needed.
8205         (struct variable_info): Remove collapsed_to member.
8206         (get_varinfo_fc): Remove.
8207         (new_var_info): Do not set collapsed_to.
8208         (dump_constraint): Do not follow cycles.
8209         (dump_constraint_graph): Likewise.
8210         (build_pred_graph): Likewise.
8211         (build_succ_graph): Likewise.
8212         (rewrite_constraints): Likewise.
8213         (do_simple_structure_copy): Remove.
8214         (do_rhs_deref_structure_copy): Remove.
8215         (do_lhs_deref_structure_copy): Remove.
8216         (collapse_rest_of_var): Remove.
8217         (do_structure_copy): Re-implement.
8218         (pta_stats): New global variable.
8219         (dump_pta_stats): New function.
8220         (struct constraint_expr): Make offset signed.
8221         (UNKNOWN_OFFSET): Define special value.
8222         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
8223         (solution_set_expand): New helper function split out from ...
8224         (do_sd_constraint): ... here.
8225         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
8226         (do_ds_constraint): Likewise.
8227         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
8228         and CALLUSED = *CALLUSED.
8229         (set_union_with_increment): Make inc argument signed.
8230         (type_safe): Remove.
8231         (get_constraint_for_ptr_offset): Handle unknown and negative
8232         constant offsets.
8233         (first_vi_for_offset): Handle offsets before start.  Bail
8234         out early for offsets beyond the variable extent.
8235         (first_or_preceding_vi_for_offset): New function.
8236         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
8237         Together with ESCAPED = *ESCAPED this properly computes reachability.
8238         (find_what_var_points_to): New function.
8239         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
8240         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
8241         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
8242         pt_solutions_intersect): New functions.
8243         (compute_call_used_vars): Remove.
8244         (compute_may_aliases): New main entry into PTA computation.
8245         * gimple.h (gimple_p): New typedef.
8246         (struct gimple_statement_base): Remove references_memory_p.
8247         (struct gimple_statement_with_memory_ops_base): Remove
8248         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
8249         members.
8250         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
8251         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
8252         gimple_set_references_memory): Remove.
8253         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
8254         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
8255         New functions.
8256         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
8257         (verify_expr): Allow RESULT_DECL.
8258         (gimple_duplicate_bb): Do not copy virtual operands.
8259         (gimple_duplicate_sese_region): Adjust.
8260         (gimple_duplicate_sese_tail): Likewise.
8261         (mark_virtual_ops_in_region): Remove.
8262         (move_sese_region_to_fn): Do not call it.
8263         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
8264         and pass_simple_dse.
8265         (execute_function_todo): Handle TODO_update_address_taken,
8266         call execute_update_addresses_taken for TODO_rebuild_alias.
8267         (execute_todo): Adjust.
8268         (execute_one_pass): Init dump files early.
8269         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
8270         call-clobbered.
8271         (create_general_new_stmt): Clear vops.
8272         * tree-ssa-reassoc.c (get_rank): Adjust.
8273         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
8274         symbols for renaming.
8275         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
8276         (PARAM_AVG_ALIASED_VOPS): Likewise.
8277         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
8278         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
8279         * tree-ssa-operands.c: Simplify for new virtual operand representation.
8280         (operand_build_cmp, copy_virtual_operands,
8281         create_ssa_artificial_load_stmt, add_to_addressable_set,
8282         gimple_add_to_addresses_taken): Remove public functions.
8283         (unlink_stmt_vdef): New function.
8284
8285 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8286
8287         * config.gcc (powerpc-*-linux*): Merge variants.
8288
8289 2009-04-02  Chao-ying Fu  <fu@mips.com>
8290             James Grosbach  <james.grosbach@microchip.com>
8291
8292         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
8293         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
8294         cop0_sp_offset.
8295         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
8296         keep_interrupts_masked_p, use_debug_exception_return_p.
8297         (mips_attribute_table): Add interrupt, use_shadow_register_set,
8298         keep_interrupts_masked, use_debug_exception_return.
8299         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
8300         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
8301         New functions.
8302         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
8303         (mips_print_operand): Process COP0 registers to print $0 .. $31
8304         correctly for GAS to process.
8305         (mips_interrupt_extra_call_saved_reg_p): New function.
8306         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
8307         extra registers.
8308         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
8309         (mips_compute_frame_info): Add supports for interrupt context that
8310         includes doubleword accumulators and COP0 registers.
8311         (mips_for_each_saved_acc): New function.
8312         (mips_for_each_saved_gpr_and_fpr): Change the function name from
8313         mips_for_each_saved_reg.
8314         (mips_save_reg): Save accumulators.
8315         (mips_kernel_reg_p): A new for_each_rtx callback.
8316         (mips_expand_prologue): Support interrupt handlers.
8317         (mips_restore_reg): Restore accumulators.
8318         (mips_expand_epilogue): Support interrupt handlers.
8319         (mips_can_use_return_insn): Return false for interrupt handlers.
8320         (mips_epilogue_uses): New function.
8321         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
8322         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
8323         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
8324         cop0_move): New instructions.
8325         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
8326         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
8327         defines.
8328         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
8329         New defines.
8330         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
8331         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
8332         interrupt handlers, we use K0 as the temporary register.
8333         (EPILOGUE_USES): Change to a function call.
8334         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
8335         handlers, we use K0 as the temporary register.
8336
8337         * doc/extend.texi (Function Attributes): Document interrupt,
8338         use_shadow_register_set, keep_interrupts_masked,
8339         use_debug_exception_return for MIPS attributes.
8340
8341 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8342
8343         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
8344         Remove a number of t-files from tmake_file.
8345         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
8346         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
8347         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
8348         target_prototype, not TARGET_PROTOTYPE.
8349         (LINK_OS_GNU_SPEC): Define.
8350         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
8351         and darwin-ldoubdle.c.
8352
8353 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
8354
8355         PR driver/39293
8356         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
8357         (cpp_options): Ditto.
8358         (default_compilers): Ditto.
8359         (display_help): Ditto.
8360         (process_command): Ditto.
8361         (do_spec_1): Ditto.
8362         (set_input): Use lbasename instead of duplicate code.
8363         (save_temps_prefix): New static for -save-temps=obj.
8364         (save_temps_length): Ditto.
8365
8366         * doc/invoke.texi (-save-temps=obj): Document new variant to
8367         -save-temps switch.
8368
8369 2009-04-02  Jeff Law  <law@redhat.com>
8370
8371         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
8372         variable.
8373
8374 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8375
8376         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
8377         * configure: Regenerated.
8378
8379 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8380
8381         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
8382         share the argument list.
8383
8384 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8385
8386         Merge
8387
8388         2009-02-12  Diego Novillo  <dnovillo@google.com>
8389
8390         * varpool.c (debug_varpool): New.
8391         * cgraph.h (debug_varpool): Declare.
8392
8393 2009-04-02  Jan Hubicka  <jh@suse.cz>
8394
8395         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
8396         pass.
8397
8398 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8399
8400         * config/i386/i386.c (ix86_abi): Move initialization to ...
8401         (override_options): Here.
8402
8403 2009-04-02  Christian Bruel  <christian.bruel@st.com>
8404
8405         * config/sh/sh.c (sh_dwarf_register_span): New function.
8406         (TARGET_DWARF_REGISTER_SPAN): Define.
8407         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
8408
8409 2009-04-02  Ira Rosen  <irar@il.ibm.com>
8410
8411         PR tree-optimization/39595
8412         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
8413         interleaved loads group is not  greater than the SLP group size.
8414
8415 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8416
8417         * builtins.c (is_builtin_name): New.
8418         (called_as_built_in): Use is_builtin_name.
8419         * tree.h (is_builtin_name): New.
8420         * varasm.c (incorporeal_function_p): Use is_builtin_name
8421
8422 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
8423
8424         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
8425
8426 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
8427
8428         PR c++/26693
8429         * c-decl.c (clone_underlying_type): Move this ...
8430         * c-common.c (set_underlying_type): ... here.
8431         Also, make sure the function properly sets TYPE_STUB_DECL() on
8432         the newly created typedef variant type.
8433         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
8434         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
8435         points.
8436
8437 2009-04-02  Richard Guenther  <rguenther@suse.de>
8438
8439         PR tree-optimization/37221
8440         * tree-flow.h (degenerate_phi_result): Declare.
8441         * tree-ssa-dom.c (degenerate_phi_result): Export.
8442         * tree-scalar-evolution.c (analyze_initial_condition): If
8443         the initial condition is defined by a degenerate PHI node
8444         use the degenerate value.
8445
8446 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
8447
8448         PR rtl-optimization/39588
8449         * combine.c (merge_outer_ops): Do not set the constant when this
8450         is not necessary.
8451         (simplify_shift_const_1): Do not modify it either in this case.
8452
8453 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
8454
8455         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
8456         tuning is deprecated if -mtune value is set to an Itanium1 variant.
8457
8458 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
8459
8460         PR c/29027
8461         * c-lex.c (interpret_float): Default (no suffix) is double.
8462
8463 2009-04-1  Xinliang David Li  <davidxl@google.com>
8464
8465         * config/i386/i386.c (legitimate_constant_p): Recognize
8466         all one vector constant.
8467
8468 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8469
8470         * config/vax/vax.c: Add #includes to silence warnings.
8471         Change #include order to silence two warnings.
8472
8473 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8474
8475         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
8476         (ASM_SPEC): Pass -k to the assembler for PIC code.
8477
8478 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8479
8480         * config.gcc: Add vax-*-linux* to the switch.
8481         * config/vax/linux.h: New file. (TARGET_VERSION,
8482         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
8483
8484 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8485
8486         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
8487         Use predicate macros instead of GET_CODE() == foo.
8488         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
8489         ashlsi3, rotrsi3, <unnamed>): Likewise.
8490
8491 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8492
8493         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
8494         jbbccihi, jbbccisi): Remova trailing whitespace.
8495         * config/vax/constraints.md: Likewise.
8496         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8497         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
8498         * config/vax/predicates.md: Likewise.
8499         * config/vax/vax.c (print_operand_address, vax_output_int_move,
8500         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
8501         * config/vax/vax.h: Likewise.
8502         * config/vax/vax.md (nonlocal_goto): Likewise.
8503
8504 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8505
8506         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
8507         (indirectable_address_p, adjacent_operands_p): Add spaces around
8508         braces.
8509         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
8510
8511 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8512
8513         * config/vax/vax.c (legitimate_constant_address_p,
8514         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
8515         index_term_p, reg_plus_index_p, legitimate_address_p,
8516         vax_mode_dependent_address_p): Update comments to match functions
8517         modified by the recent int->bool conversion.
8518
8519 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8520
8521         * config/vax/builtins.md: Update copyright message.
8522         * config/vax/constraints.md: Likewise.
8523         * config/vax/netbsd-elf.h: Likewise.
8524         * config/vax/predicates.md: Likewise.
8525         * config/vax/vax-protos.h: Likewise.
8526         * config/vax/vax.c: Likewise.
8527         * config/vax/vax.h: Likewise.
8528         * config/vax/vax.md: Likewise.
8529         * config/vax/vax.opt: Likewise.
8530
8531 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8532
8533         * config/vax/builtins.md (ffssi2, ffssi2_internal,
8534         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
8535         * config/vax/constraints.md (B, R): Likewise.
8536         * config/vax/predicates.md (external_memory_operand,
8537         nonimmediate_addsub_di_operand): Likewise.
8538         * config/vax/vax.c (vax_output_int_add): Likewise.
8539         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
8540         untyped_call): Likewise.
8541
8542 2009-04-01  Matt Thomas  <matt@3am-software.com>
8543
8544         * config/vax/predicates.md: New file.
8545         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
8546         external_const_operand, nonsymbolic_operand, external_memory_operand,
8547         indirect_memory_operand, indexed_memory_operand,
8548         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
8549         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
8550         predicate.
8551         * config/vax/constraints.md: New file.
8552         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
8553         New constraint.
8554         * config/vax/builtins.md: New file.
8555         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
8556         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
8557         jbbccisi): Define.
8558         * config/vax/vax.opt (mqmath): Add option.
8559         * config/vax/vax.md (isfx): Extend with DI.
8560         (VAXintQH, VAXintQHSD): Define.
8561         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
8562         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
8563         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
8564         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
8565         (movdi): Update constraints and use vax_output_int_move().
8566         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
8567         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
8568         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
8569         nonlocal_goto): New.
8570         (mov<mode>): Extend accepted operand types.
8571         (subdi3_old): Rename from subdi3, change update constraints and use
8572         a new implementation.
8573         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
8574         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
8575         MOVE_RATIO, CLEAR_RATIO): Define.
8576         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
8577         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8578         (PRINT_OPERAND): Redefine using a function instead of inlined code.
8579         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
8580         (split_quadword_operands): Make static and really allow variable
8581         splitting.
8582         (print_operand_address): Update for PIC generation.
8583         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
8584         indexable_address_p, fixup_mathdi_operand,
8585         vax_expand_addsub_di_operands, adjacent_operands_p): New.
8586         (vax_float_literal, legitimate_constant_p,
8587         indirectable_constant_address_p, index_term_p,
8588         reg_plus_index_p): Return bool instead of int.
8589         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
8590         where needed.
8591         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
8592         generation.
8593         (vax_output_conditional_branch): Indent.
8594         (legitimate_constant_address_p, indirectable_constant_address_p,
8595         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
8596         vax_mode_dependent_address_p): Return bool instead of int, update for
8597         PIC generation.
8598         * config/vax/vax-protos.h (legitimate_constant_address_p,
8599         legitimate_constant_p, legitimate_address_p,
8600         vax_mode_dependent_address_p): Change declaration to bool.
8601         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
8602         vax_expand_addsub_di_operands, vax_output_int_subtract,
8603         vax_output_movmemsi): Declare.
8604         (split_quadword_operands, vax_float_literal): Delete declaration.
8605         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
8606         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
8607         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
8608         ASM_OUTPUT_DWARF_PCREL): Define.
8609         (ASM_SPEC): Change definition to allow PIC generation.
8610
8611 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
8612
8613         * doc/sourcebuild.texi: Update front-end requirements.
8614
8615 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8616
8617         PR target/39226
8618         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
8619         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
8620         (booldi3_internal3): Use boolean_or_operator instead of
8621         boolean_operator.
8622
8623 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
8624
8625         PR c/39605
8626         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
8627         declarator whose size is not an integer constant expression but
8628         folds to an integer constant, then treat it as a constant
8629         subsequently.
8630
8631 2009-04-01  Richard Guenther  <rguenther@suse.de>
8632
8633         * fold-const.c (fold_plusminus_mult_expr): Do not fold
8634         i * 4 + 2 to (i * 2 + 1) * 2.
8635
8636 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8637
8638         PR c/37772
8639         * c-parser.c (c_parser_asm_statement): Skip until close paren and
8640         return if c_parser_asm_string_literal returned NULL.
8641
8642 2009-04-01  Nick Clifton  <nickc@redhat.com>
8643
8644         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
8645         already defined.
8646         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
8647         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
8648         other typedefs to avoid conflicts with libgcc2.c.  Define labels
8649         to gain 16-bit bit-manipulation functions from libgcc2.c and then
8650         include it.
8651         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
8652         to gain 16-bit trapping arithmetic functions from libgcc2.c and
8653         then include it.
8654
8655 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
8656
8657         * varasm.c (default_function_rodata_section): Declare DOT as
8658         const char*.
8659
8660 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
8661             Andrey Galkin  <agalkin@hypercom.com>
8662
8663         PR/39492
8664         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
8665         Make object_name unique for each process.
8666
8667 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8668
8669         PR other/39591
8670         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
8671         addressable variables in the parallel that could go out of scope while
8672         running queued tasks.
8673
8674 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
8675
8676         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
8677         (CASE_VALUES_THRESHOLD): Redefine.
8678         * config/avr/avr.c (avr_override_options): Remove initialization of
8679         avr_case_values_threshold variable.
8680         (avr_case_values_threshold): Remove variable. Add new function.
8681         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
8682         * config/avr/avr.opt (mno-tablejump): Remove option.
8683         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
8684
8685 2009-04-01  DJ Delorie  <dj@redhat.com>
8686
8687         * varasm.c (default_function_rodata_section): Don't assume
8688         anything about where the first '.' in the section name is.
8689
8690 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
8691
8692         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
8693         rs6000_emit_stack_tie.
8694
8695 2009-03-31  Ian Lance Taylor  <iant@google.com>
8696
8697         * tree-eh.c (tree_remove_unreachable_handlers): Compare
8698         gimple_code with GIMPLE_RESX, not RESX.
8699
8700 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8701
8702         * c-common.c (c_get_ident): New.
8703         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
8704
8705 2009-04-01  Ben Elliston  <bje@au.ibm.com>
8706
8707         * config/rs6000/sysv4.opt (msdata): Improve option description.
8708
8709 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
8710
8711         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
8712         (divdf3_internal_lat): Remove.
8713         (divxf3_internal_lat): Remove.
8714         (divxf3_internal_thr): Remove.
8715         (divxf): Use divxf3_internal.
8716         * config/ia64/div.md (divsf3_internal_lat): New.
8717         (divdf3_internal_lat): New.
8718         (divxf3_internal): New.
8719
8720 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8721
8722         PR c/448
8723         * Makefile.in (USE_GCC_STDINT): Define.
8724         (stmp-int-hdrs): Install stdint.h if applicable.
8725         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8726         if known.
8727         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
8728         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
8729         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8730         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8731         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8732         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8733         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8734         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8735         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8736         (c_common_nodes_and_builtins): Initialize
8737         underlying_wchar_type_node.  Do not initialize
8738         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
8739         nodes for new types.
8740         (c_stddef_cpp_builtins): Define macros for new types.
8741         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
8742         Remove.
8743         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
8744         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
8745         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
8746         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
8747         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
8748         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
8749         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
8750         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
8751         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
8752         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
8753         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
8754         int16_type_node, int32_type_node, int64_type_node,
8755         uint8_type_node, uint16_type_node, c_uint32_type_node,
8756         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8757         int_least32_type_node, int_least64_type_node,
8758         uint_least8_type_node, uint_least16_type_node,
8759         uint_least32_type_node, uint_least64_type_node,
8760         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8761         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8762         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8763         uintptr_type_node): Define.
8764         * c-cppbuiltin.c (builtin_define_constants,
8765         builtin_define_type_minmax): New.
8766         (builtin_define_stdint_macros): Define more macros.
8767         (c_cpp_builtins): Define more limit macros.
8768         (type_suffix): New.
8769         (builtin_define_type_max): Define in terms of
8770         builtin_define_type_minmax.  Remove is_long parameter.  All
8771         callers changed.
8772         * config.gcc (use_gcc_stdint): Define.
8773         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8774         Add newlib-stdint.h for generic targets.
8775         * config/glibc-stdint.h, config/newlib-stdint.h,
8776         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8777         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8778         * config/score/score.h (UINTPTR_TYPE): Define.
8779         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8780         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8781         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8782         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8783         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8784         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8785         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8786         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8787         * config/spu/spu.h (STDINT_LONG32): Define.
8788         * configure.ac (use_gcc_stdint): Substitute.
8789         * configure: Regenerate.
8790         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8791         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8792         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8793         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8794         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8795         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8796         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8797         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8798         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8799         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8800         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8801         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8802         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8803         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8804         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8805         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8806         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8807         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8808         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8809         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8810         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8811         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8812         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8813         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8814         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8815         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8816         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8817         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8818         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8819
8820 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8821
8822         * loop-iv.c (suitable_set_for_replacement): Renamed from
8823         simplify_using_assignment; changed to return bool and to accept new
8824         args DEST and SRC.  Return true iff we find a source/destination pair
8825         that can be used to make a replacement, and fill SRC and DEST if so.
8826         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8827         changed.
8828         (simplify_using_initial_values): Deal with altered regs here and track
8829         more precisely the effect they have on the validity of our expression.
8830
8831         * loop-iv.c (simplify_using_condition): A condition of the form
8832         (EQ REG CONST) can be used to simply make a substitution.
8833         (simplify_using_initial_values): Keep track of conditions we have seen
8834         and keep using them to simplify new expressions, while applying the
8835         same substitutions to them as to the expression.
8836
8837         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8838         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8839         GEU/LTU reversed.
8840
8841         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8842         changed.  Use this when trying to improve the upper bound.
8843         Generate the comparison by using simplify_gen_relational.
8844
8845         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8846
8847         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8848         functions.
8849         (simplify_using_assignment, simplify_using_initial_values): Call
8850         replace_in_expr to make replacements.  Call replace_single_def_regs
8851         once on the initial version of the expression.
8852
8853 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8854
8855         PR target/27237
8856         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8857
8858 2009-03-31  Richard Guenther  <rguenther@suse.de>
8859
8860         PR middle-end/31029
8861         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8862         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8863
8864 2009-03-31  Richard Guenther  <rguenther@suse.de>
8865
8866         * tree.h (div_if_zero_remainder): Declare.
8867         * fold-const.c (div_if_zero_remainder): Export.
8868         * tree-ssa-forwprop.c
8869         (forward_propagate_addr_into_variable_array_index): Handle
8870         constant array index addition outside of the variable index.
8871
8872 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8873
8874         PR target/39592
8875         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8876         define_splits, floatunssi<mode>2): Require x87 conversions from
8877         DImode to be permitted.
8878
8879 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8880
8881         PR preprocessor/15638
8882         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8883
8884 2009-03-31  Richard Guenther  <rguenther@suse.de>
8885
8886         PR middle-end/23401
8887         PR middle-end/27810
8888         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8889         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8890         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8891         a separate statement.
8892         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8893         (lookup_tmp_var): Likewise.
8894         (is_gimple_formal_tmp_or_call_rhs): Remove.
8895         (is_gimple_reg_or_call_rhs): Rename to ...
8896         (is_gimple_reg_rhs_or_call): ... this.
8897         (is_gimple_mem_or_call_rhs): Rename to ...
8898         (is_gimple_mem_rhs_or_call): ... this.
8899         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8900         DECL_GIMPLE_REG_P only if is_formal is true.
8901         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8902         for non-proper post-modify expression gimplification.
8903         (gimplify_self_mod_expr): For post-modify expressions gimplify
8904         the lvalue to a minimal lvalue.
8905         (rhs_predicate_for): Remove formal temp case.
8906         (gimplify_modify_expr_rhs): Likewise.
8907         (gimplify_addr_expr): Use is_gimple_reg.
8908         (gimplify_expr): Remove formal temp cases.
8909         (gimple_regimplify_operands): Likewise.
8910         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8911         and FILTER_EXPR like constants.
8912         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8913         is_gimple_reg.
8914         (is_gimple_formal_tmp_rhs): Remove.
8915         (is_gimple_reg_rhs): Remove special casing.
8916         (is_gimple_mem_rhs): Fix.
8917         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8918         (is_gimple_formal_tmp_var): Remove.
8919         (is_gimple_formal_tmp_reg): Likewise.
8920         (is_gimple_min_lval): Allow invariant component ref parts.
8921         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8922         is_gimple_formal_tmp_reg): Remove declarations.
8923         * tree-cfg.c (verify_expr): Verify that variables with address
8924         taken do not have DECL_GIMPLE_REG_P set.
8925         * tree-mudflap.c (mf_build_check_statement_for): Use
8926         force_gimple_operand instead of gimplify_expr.
8927
8928 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8929
8930         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8931         schedulable rows to compute_split_row.
8932
8933 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8934
8935         PR target/31635
8936         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8937         OPT_mvrsave.
8938
8939 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8940
8941         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8942         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8943         * configure: Regenerate.
8944         * config.in: Regenerate.
8945         * config/rs6000/rs6000.opt (mtls-markers): Add.
8946         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8947         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8948         (tls_ld_aix, tls_ld_sysv): Likewise.
8949         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8950         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8951
8952 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8953
8954         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8955
8956 2009-03-30  Jan Hubicka  <jh@suse.cz>
8957
8958         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8959         out of RESX.
8960         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8961         detection and label handling.
8962
8963 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8964
8965         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8966         left_conflicts_size.
8967         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8968         ALLOCNO_LEFT_CONFLICTS_SIZE.
8969
8970         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8971         remove_allocno_from_bucket_and_push,
8972         allocno_spill_priority_compare, push_allocnos_to_stack,
8973         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8974         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8975         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8976         setup_allocno_left_conflicts_size.
8977         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8978         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8979         setup_allocno_left_conflicts_size instead of
8980         setup_allocno_left_conflicts_num.
8981
8982         * ira-build.c (ira_create_allocno): Use
8983         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8984         ALLOCNO_LEFT_CONFLICTS_NUM.
8985
8986 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8987
8988         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8989         instead of DF_LR_OUT.
8990
8991         * ira-lives.c (process_bb_node_lives): Ditto.
8992
8993         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8994         instead of DF_LR_{OUT,IN}.
8995
8996         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8997
8998         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8999
9000 2009-03-30  Jan Hubicka  <jh@suse.cz>
9001
9002         * except.c (label_to_region_map): Fix thinko.
9003
9004 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
9005
9006         PR middle-end/38237
9007         * tree.h (tree_find_value): New declaration.
9008         * tree.c (tree_find_value): New function.
9009         * varasm.c (assemble_external): Avoid duplicate entries on lists.
9010
9011 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
9012
9013         PR debug/39563
9014         * c-decl.c (struct c_binding): Add locus field.
9015         (bind): Add locus argument, set locus field from it.
9016         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
9017         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
9018         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
9019         implicitly_declare, undeclared_variable, lookup_label,
9020         declare_label, c_make_fname_decl, c_builtin_function,
9021         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
9022         bind callers.
9023
9024 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9025
9026         PR target/38781
9027         * config/i386/i386.c (classify_argument): Check total size of
9028         structure.
9029
9030 2009-03-30  Martin Jambor  <mjambor@suse.cz>
9031
9032         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
9033         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
9034         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
9035         respectively.
9036
9037         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
9038         seen_variable_array_ref while also traversing a union.
9039
9040         * tree-inline.c (optimize_inline_calls): Do not call
9041         cgraph_node_remove_callees.
9042         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
9043         (pass_remove_cgraph_callee_edges): New variable.
9044         * passes.c (init_optimization_passes): Add
9045         pass_remove_cgraph_callee_edges after early inlining and before all
9046         late intraprocedural passes.
9047
9048         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
9049
9050 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9051
9052         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
9053         Fix typos in names.
9054
9055 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9056
9057         * combine.c (simplify_comparison): Use have_insn_for.
9058         * dojump.c (do_jump): Likewise.
9059
9060 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9061
9062         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
9063         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
9064         sparc_compare_op0 like sparc_compare_emitted used to be handled.
9065         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
9066         instead of sparc_compare_emitted.
9067         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
9068         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
9069         instead of sparc_compare_emitted.
9070
9071 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9072
9073         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
9074         enter/exit cfglayout mode.
9075         (pass_partition_block): Require it.
9076         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
9077         (combine_instructions): Track basic blocks instead of labels.
9078         (update_cfg_for_uncondjump): New.
9079         (try_combine): Use it.  Update jumps after rescanning.
9080         (pass_combine): Require PROP_cfglayout.
9081         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
9082
9083 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9084
9085         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
9086         Provide/destroy PROP_cfglayout respectively.
9087         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
9088         * tree-pass.h (PROP_cfglayout): New.
9089
9090 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9091
9092         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
9093         fold_convert_const_fixed_from_fixed,
9094         fold_convert_const_fixed_from_int,
9095         fold_convert_const_fixed_from_real, fold_negate_const): Do not
9096         set TREE_CONSTANT_OVERFLOW.
9097         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
9098         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
9099
9100 2009-03-30  Ira Rosen  <irar@il.ibm.com>
9101
9102         * tree-vect-loop-manip.c: New file.
9103         * tree-vectorizer.c: Update documentation and included files.
9104         (vect_loop_location): Make extern.
9105         (rename_use_op): Move to tree-vect-loop-manip.c
9106         (rename_variables_in_bb, rename_variables_in_loop,
9107         slpeel_update_phis_for_duplicate_loop,
9108         slpeel_update_phi_nodes_for_guard1,
9109         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
9110         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
9111         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
9112         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
9113         find_loop_location): Likewise.
9114         (new_stmt_vec_info): Move to tree-vect-stmts.c.
9115         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
9116         get_vectype_for_scalar_type, vect_is_simple_use,
9117         supportable_widening_operation, supportable_narrowing_operation):
9118         Likewise.
9119         (bb_in_loop_p): Move to tree-vect-loop.c.
9120         (new_loop_vec_info, destroy_loop_vec_info,
9121         reduction_code_for_scalar_code, report_vect_op,
9122         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
9123         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
9124         (vect_supportable_dr_alignment): Likewise.
9125         * tree-vectorizer.h (tree-data-ref.h): Include.
9126         (vect_loop_location): Declare.
9127         Reorganize function declarations according to the new file structure.
9128         * tree-vect-loop.c: New file.
9129         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
9130         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
9131         * tree-vect-data-refs.c: New file.
9132         * tree-vect-patterns.c (timevar.h): Don't include.
9133         * tree-vect-stmts.c: New file.
9134         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
9135         tree-vect-slp.c, tree-vect-loop.c.
9136         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
9137         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
9138         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
9139         (tree-vect-analyze.o): Remove.
9140         (tree-vect-transform.o): Likewise.
9141         (tree-vect-data-refs.o): Add rule.
9142         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
9143         tree-vect-slp.o): Likewise.
9144         (tree-vect-patterns.o): Remove redundant dependencies.
9145         (tree-vectorizer.o): Likewise.
9146         * tree-vect-slp.c: New file.
9147
9148 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9149
9150         * optc-gen.awk: Warn if an option flag has multiple different
9151         help strings.
9152
9153 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
9154
9155         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
9156         -floop-block): Document dependences on PPL, CLooG and Graphite.
9157
9158 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9159
9160         PR rtl-optimization/323
9161         * c-common.c (c_fully_fold, convert_and_check,
9162         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
9163         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
9164         * c-common.def (EXCESS_PRECISION_EXPR): New.
9165         * c-cppbuiltin.c (builtin_define_float_constants): Define
9166         constants with enough digits for long double.
9167         * c-lex.c (interpret_float): Interpret constant with excess
9168         precision where appropriate.
9169         * c-opts.c (c_common_post_options): Set
9170         flag_excess_precision_cmdline.  Give an error for
9171         -fexcess-precision=standard for C++ for processors where the
9172         option is significant.
9173         * c-parser.c (c_parser_conditional_expression): Handle excess
9174         precision in condition.
9175         * c-typeck.c (convert_arguments): Handle arguments with excess
9176         precision.
9177         (build_unary_op): Move excess precision outside operation.
9178         (build_conditional_expr): Likewise.
9179         (build_compound_expr): Likewise.
9180         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
9181         (build_modify_expr): Handle excess precision in RHS.
9182         (convert_for_assignment): Handle excess precision in converted
9183         value.
9184         (digest_init, output_init_element, process_init_element): Handle
9185         excess precision in initializer.
9186         (c_finish_return): Handle excess precision in return value.
9187         (build_binary_op): Handle excess precision in operands and add
9188         excess precision as needed for operation.
9189         * common.opt (-fexcess-precision=): New option.
9190         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
9191         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
9192         For standard excess precision, output explicit conversion to and
9193         truncation from XFmode.
9194         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
9195         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
9196         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
9197         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
9198         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
9199         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
9200         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
9201         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
9202         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
9203         define_splits, sqrt<mode>2): Disable where appropriate for
9204         standard excess precision.
9205         * convert.c (convert_to_real): Do not shorten arithmetic to type
9206         for which excess precision would be used.
9207         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
9208         * doc/invoke.texi (-fexcess-precision=): Document option.
9209         (-mfpmath=): Correct index entry.
9210         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
9211         flag_excess_precision): New.
9212         * langhooks.c (lhd_post_options): Set
9213         flag_excess_precision_cmdline.
9214         * opts.c (common_handle_option): Handle -fexcess-precision=.
9215         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
9216         init_excess_precision): New.
9217         (lang_dependent_init_target): Call init_excess_precision.
9218         * tree.c (excess_precision_type): New.
9219         * tree.h (excess_precision_type): Declare.
9220
9221 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9222
9223         PR c/35235
9224         * c-typeck.c (build_component_ref): Do not copy qualifiers from
9225         non-lvalue to component.
9226
9227 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9228
9229         PR preprocessor/34695
9230         * Makefile.in (c-opts.o): Depend on c-tree.h.
9231         * c-common.c: Move down include of diagnostic.h.
9232         (done_lexing, c_cpp_error): New.
9233         * c-common.h (done_lexing): Declare.
9234         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
9235         (parse_in).
9236         * c-opts.c: Include c-tree.h.
9237         (c_common_init_options): Set preprocessor error callback.
9238         (c_common_handle_option): Do not set preprocessor
9239         inhibit_warnings, warnings_are_errors, warn_system_headers,
9240         pedantic_errors or inhibit_warnings flags.
9241         (c_common_post_options): Do not check cpp_errors (parse_in).
9242         (c_common_finish): Do not output dependencies if there were
9243         errors.  Do not check return value of cpp_finish.
9244         * c-ppoutput.c (pp_file_change): Set input_location.
9245         * c-tree.h (c_cpp_error): Declare.
9246         * diagnostic.c (diagnostic_set_info_translated): Also initialize
9247         override_column.
9248         (diagnostic_build_prefix): Check override_column.
9249         * diagnostic.h (diagnostic_info): Add override_column field.
9250         (diagnostic_override_column): Define.
9251
9252 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
9253
9254         * c-common.c (c_expand_expr, c_staticp): Remove.
9255         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
9256         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
9257         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
9258         * c-gimplify.c (gimplify_compound_literal_expr,
9259         optimize_compound_literals_in_ctor): Remove.
9260         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
9261         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
9262         * c-semantics.c (emit_local_var): Remove.
9263
9264         * langhooks-def.h (lhd_expand_expr): Remove.
9265         * langhooks.c (lhd_expand_expr): Remove.
9266         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
9267
9268         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
9269         handling from c-semantics.c; don't call into langhook.
9270         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
9271         * gimplify.c (gimplify_compound_literal_expr,
9272         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
9273         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
9274         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
9275         as was done in c-gimplify.c.
9276         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
9277         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
9278         Move from c-common.h.
9279         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
9280
9281         * tree.c (staticp): Do not call langhook.
9282         * langhooks.c (lhd_staticp): Delete.
9283         * langhooks-def.h (lhd_staticp): Delete prototype.
9284         (LANG_HOOKS_STATICP): Delete.
9285         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
9286
9287         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
9288         instead of DECL_STMTs.
9289
9290 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9291
9292         PR c/456
9293         PR c/5675
9294         PR c/19976
9295         PR c/29116
9296         PR c/31871
9297         PR c/35198
9298         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
9299         void_type_node.
9300         (fold_call_expr): Return a NOP_EXPR from folding rather than the
9301         contained expression.
9302         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
9303         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
9304         conditional expressions for C.
9305         (decl_constant_value_for_optimization): Move from
9306         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
9307         whether optimizing and that the expression is a VAR_DECL not of
9308         array type instead of doing such checks in the caller.  Do not
9309         check pedantic.  Call gcc_unreachable for C++.
9310         * c-common.def (C_MAYBE_CONST_EXPR): New.
9311         * c-common.h (c_fully_fold, c_save_expr,
9312         decl_constant_value_for_optimization): New prototypes.
9313         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
9314         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
9315         EXPR_INT_CONST_OPERANDS): Define.
9316         * c-convert.c (convert): Strip nops from expression.
9317         * c-decl.c (groktypename): Take extra parameters expr and
9318         expr_const_operands.  Update call to grokdeclarator.
9319         (start_decl): Update call to grokdeclarator.  Add statement for
9320         expressions used in type of decl.
9321         (grokparm): Update call to grokdeclarator.
9322         (push_parm_decl): Update call to grokdeclarator.
9323         (build_compound_literal): Add parameter non_const and build a
9324         C_MAYBE_COSNT_EXPR if applicable.
9325         (grokdeclarator): Take extra parameters expr and
9326         expr_const_operands.  Track expressions used in declaration
9327         specifiers and declarators.  Fold array sizes and track whether
9328         they are constant expressions and whether they are integer
9329         constant expressions.
9330         (parser_xref_tag): Set expr and expr_const_operands fields in
9331         return value.
9332         (grokfield): Update call to grokdeclarator.
9333         (start_function): Update call to grokdeclarator.
9334         (build_null_declspecs): Set expr and expr_const_operands fields in
9335         return value.
9336         (declspecs_add_type): Handle expressions in typeof specifiers.
9337         * c-parser.c (c_parser_declspecs): Set expr and
9338         expr_const_operands fields for declaration specifiers.
9339         (c_parser_enum_specifier): Likewise.
9340         (c_parser_struct_or_union_specifier): Likewise.
9341         (c_parser_typeof_specifier): Likewise.  Update call to
9342         groktypename.  Fold expression as needed.  Return expressions with
9343         type instead of adding statements.
9344         (c_parser_attributes): Update calls to c_parser_expr_list.
9345         (c_parser_statement_after_labels): Fold expression before passing
9346         to objc_build_throw_stmt.
9347         (c_parser_condition): Fold expression.
9348         (c_parser_asm_operands): Fold expression.
9349         (c_parser_conditional_expression): Use c_save_expr.  Update call
9350         to build_conditional_expr.
9351         (c_parser_alignof_expression): Update call to groktypename.
9352         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
9353         original_code.  Fold expression argument of va_arg.  Create
9354         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
9355         argument to va_arg.  Update calls to groktypename.  Fold array
9356         index for offsetof.  Verify that first argument to
9357         __builtin_choose_expr has integer type.
9358         (c_parser_postfix_expression_after_paren_type): Update calls to
9359         groktypename and build_compound_literal.  Handle expressions with
9360         side effects in type name.
9361         (c_parser_postfix_expression_after_primary): Update call to
9362         c_parser_expr_list.  Set original_code for calls to
9363         __builtin_constant_p.
9364         (c_parser_expr_list): Take extra parameter fold_p.  Fold
9365         expressions if requested.
9366         (c_parser_objc_type_name): Update call to groktypename.
9367         (c_parser_objc_synchronized_statement): Fold expression.
9368         (c_parser_objc_receiver): Fold expression.
9369         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
9370         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
9371         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
9372         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
9373         (struct c_typespec): Add elements expr and expr_const_operands.
9374         (struct c_declspecs): Add elements expr and expr_const_operands.
9375         (groktypename, build_conditional_expr, build_compound_literal):
9376         Update prototypes.
9377         (in_late_binary_op): Declare.
9378         * c-typeck.c (note_integer_operands): New function.
9379         (in_late_binary_op): New variable.
9380         (decl_constant_value_for_broken_optimization): Move to c-common.c
9381         and rename to decl_constant_value_for_optimization.
9382         (default_function_array_conversion): Do not strip nops.
9383         (default_conversion): Do not call
9384         decl_constant_value_for_broken_optimization.
9385         (build_array_ref): Do not fold result.
9386         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
9387         result when operand is a VLA.
9388         (c_expr_sizeof_type): Update call to groktypename.  Handle
9389         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
9390         result when operand names a VLA type.
9391         (build_function_call): Update call to build_compound_literal.
9392         Only fold result for calls to __builtin_* functions.  Strip
9393         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
9394         the function designator.
9395         (convert_arguments): Fold arguments.  Update call to
9396         convert_for_assignment.
9397         (build_unary_op): Handle increment and decrement of
9398         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
9399         decrement earlier.  Fold operand of increment and decrement.
9400         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
9401         built for integer operand.  Wrap returns that are INTEGER_CSTs
9402         without being integer constant expressions or that have integer
9403         constant operands without being INTEGER_CSTs.
9404         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
9405         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
9406         result is an integer constant expression or can be used in
9407         unevaluated parts of one and avoid folding and wrap as
9408         appropriate.  Fold operands before possibly doing -Wsign-compare
9409         warnings.
9410         (build_compound_expr): Wrap result for C99 if operands can be used
9411         in integer constant expressions.
9412         (build_c_cast): Update call to digest_init.  Do not ignore
9413         overflow from casting floating-point constants to integers.  Wrap
9414         results that could be confused with integer constant expressions,
9415         null pointer constants or floating-point constants.
9416         (c_cast_expr): Update call to groktypename.  Handle expressions
9417         included in type name.
9418         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
9419         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
9420         Update calls to convert_for_assignment.
9421         (convert_for_assignment): Take new parameter
9422         null_pointer_constant.  Do not strip nops or call
9423         decl_constant_value_for_broken_optimization.  Set
9424         in_late_binary_op for conversions to boolean.
9425         (store_init_value): Update call to digest_init.
9426         (digest_init): Take new parameter null_pointer_constant.  Do not
9427         call decl_constant_value_for_broken_optimization.  pedwarn for
9428         initializers not constant expressions.  Update calls to
9429         convert_for_assignment.
9430         (constructor_nonconst): New.
9431         (struct constructor_stack): Add nonconst element.
9432         (really_start_incremental_init, push_init_level, pop_init_level):
9433         Handle constructor_nonconst and nonconst element.
9434         (set_init_index): Call constant_expression_warning for array
9435         designators.
9436         (output_init_element): Fold value.  Set constructor_nonconst as
9437         applicable.  pedwarn for initializers not constant expressions.
9438         Update call to digest_init.  Call constant_expression_warning
9439         where constant initializers are required.
9440         (process_init_element): Use c_save_expr.
9441         (c_finish_goto_ptr): Fold expression.
9442         (c_finish_return): Fold return value.  Update call to
9443         convert_for_assignment.
9444         (c_start_case): Fold switch expression.
9445         (c_process_expr_stmt): Fold expression.
9446         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
9447         ensure statement expression is not evaluated in constant expression.
9448         (build_binary_op): Track whether results are integer constant
9449         expressions or may occur in such, disable folding and wrap results
9450         as applicable.  Fold operands for -Wsign-compare warnings unless
9451         in_late_binary_op.
9452         (c_objc_common_truthvalue_conversion): Handle results folded to
9453         integer constants that are not integer constant expressions.
9454         * doc/extend.texi: Document when typeof operands are evaluated,
9455         that condition of __builtin_choose_expr is an integer constant
9456         expression, and more about use of __builtin_constant_p in
9457         initializers.
9458
9459 2009-03-29  Richard Guenther  <rguenther@suse.de>
9460
9461         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
9462         propagate addresses of array references.
9463
9464 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
9465
9466         * regmove.c (perhaps_ends_bb_p): Remove.
9467         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
9468         from INSN and check that the main loop stays within that basic block.
9469         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
9470         (regmove_forward_pass): Split out from regmove_optimize.  Use
9471         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9472         (regmove_backward_pass): Split out from regmove_optimize.  Use
9473         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
9474         (regmove_optimize): Simplify.
9475
9476 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9477
9478         PR target/39545
9479         * config/i386/i386.c (classify_argument): Ignore flexible array
9480         member in struct and warn ABI change.
9481
9482 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9483
9484         * config/i386/i386-protos.h (ix86_agi_dependent): New.
9485
9486         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
9487         (ix86_adjust_cost): Updated.
9488
9489 2009-03-29  Jan Hubicka  <jh@suse.cz>
9490
9491         PR middle-end/28850
9492         * tree-pass.h (pass_cleanup_eh): New function.
9493         (remove_unreachable_regions): Break code handling RTL
9494         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
9495         that can not be reached by runtime.
9496         (can_be_reached_by_runtime): New function.
9497         (label_to_region_map): New function.
9498         (num_eh_regions): New function.
9499         (rtl_remove_unreachable_regions): New function.
9500         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
9501         (remove_eh_region): New function.
9502         * except.h: Include sbitmap and vecprim.
9503         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
9504         num_eh_regions): Declare.
9505         * passes.c (init_optimization_passes): Schedule cleanup_eh.
9506         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
9507         * tree-eh.c (tree_remove_unreachable_handlers): New function.
9508         (tree_empty_eh_handler_p): New function.
9509         (cleanup_empty_eh): New function.
9510         (cleanup_eh): New function.
9511         (pass_cleanup_eh): New function.
9512
9513 2009-03-29  Jan Hubicka  <jh@suse.cz>
9514
9515         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
9516         for removed regions.
9517
9518 2009-03-29  Jan Hubicka  <jh@suse.cz>
9519
9520         * except.c (dump_eh_tree): Dump all datastructures.
9521
9522 2009-03-29  Jan Hubicka  <jh@suse.cz>
9523
9524         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
9525         (duplicate_eh_regions_1): Likewise.
9526         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
9527         vector; call EH verification.
9528         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9529         Be ready for region being removed.
9530
9531 2009-03-29  Jan Hubicka  <jh@suse.cz>
9532
9533         * bitmap.c (bitmap_last_set_bit): New function.
9534         * bitmap.h (bitmap_last_set_bit): Declare.
9535
9536 2009-03-29  David Ayers  <ayers@fsfe.org>
9537
9538         PR objc/27377
9539         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
9540         by calling objc_compare_types and surpress warnings about
9541         incompatible C pointers that are compatible ObjC pointers.
9542
9543 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
9544
9545         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
9546         call initialize_inline_failed.
9547         (initialize_inline_failed): Move it from here ...
9548         * cgraph.c (initialize_inline_failed): ... to here.
9549         (cgraph_create_edge): Call initialize_inline_failed rather than
9550         setting inline_failed directly.
9551
9552 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9553
9554         PR target/32542
9555         * sysv4.opt (msdata): Improve comment.
9556         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
9557         * sysv4.h (SVR4_ASM_SPEC): Likewise.
9558
9559 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9560
9561         PR target/30451
9562         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
9563         load and store attributes.
9564
9565 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9566
9567         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
9568         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
9569         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
9570         * doc/extend.texi (X86 Built-in Functions): Add index entries for
9571         __builtin_infq and __builtin_huge_valq.
9572
9573 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
9574
9575         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
9576         atmega8m1 devices.
9577         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9578         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
9579
9580 2009-03-28  Xinliang David Li  <davidxl@google.com>
9581
9582         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
9583         (do_dbg_cnt): New function.
9584
9585 2009-03-28  Jan Hubicka  <jh@suse.cz>
9586
9587         Merge from pretty-ipa:
9588
9589         2009-03-27  Jan Hubicka  <jh@suse.cz>
9590
9591         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9592         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
9593         * passes.c (function_called_by_processed_nodes_p): New.
9594         * ipa-pure-const.c (check_call): Fix handling of operands.
9595         (analyze_function): Dump debug output for skipped bodies.
9596         (local_pure_const): Use function_called_by_processed_nodes_p.
9597         * dwarf2out.c (reference_to_unused): Use output.
9598         * passes.c (do_per_function_toporder): Likewise.
9599
9600         2008-11-12  Jan Hubicka  <jh@suse.cz>
9601
9602         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
9603         * ipa-pure-const.c (funct_state_d): Add can throw field; make
9604         state_set_in_source enum
9605         (check_decl): Ignore memory tags; do not set fake looping flags;
9606         dump diagnostics.
9607         (check_operand, check_tree, check_rhs_var, check_lhs_var,
9608         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
9609         (check_call, analyze_function): Rewrite.
9610         (check_stmt): New.
9611         (add_new_function): Update call of analyze_function.
9612         (generate_summary): Add call of analyze_function.
9613         (propagate): Propagate can_throw; handle state_set_in_source correctly.
9614         (local_pure_const): New function.
9615         (pass_local_pure_const): New pass.
9616         * ipa-inline.c (inline_transform): Set after_inlining.
9617         * tree-eh.c (stmt_can_throw_external): New.
9618         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
9619         work with aliasing built.
9620         * tree-flow.h (stmt_can_throw_external): New.
9621         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
9622         and local pure/const pass in early and late optimization queue.
9623
9624 2009-03-28  Martin Jambor  <mjambor@suse.cz>
9625
9626         * fold-const.c (get_pointer_modulus_and_residue): New parameter
9627         allow_func_align.
9628         (fold_binary): Allow function decl aligment consideration is the
9629         second argument is integer constant one.
9630         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
9631         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
9632         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
9633
9634 2009-03-28  Jan Hubicka  <jh@suse.cz>
9635
9636         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
9637         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
9638         * function.h (rtl_data): Add nothrow flag.
9639         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
9640         set DECL_NOTHROW for AVAILABLE functions.
9641
9642 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
9643
9644         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
9645         following vector keyword has expansion starting with pixel or bool
9646         keyword, expand vector to __vector and pixel or bool to __pixel or
9647         __bool.
9648
9649         PR c++/39554
9650         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
9651         warn_if_disallowed_function_p): Removed.
9652         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
9653         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
9654         warning_if_disallowed_function_p.
9655         * flags.h (warn_if_disallowed_function_p,
9656         warn_disallowed_functions): Removed.
9657         * common.opt (Wdisallowed-function-list=): Removed.
9658         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
9659
9660 2009-03-28  Richard Guenther  <rguenther@suse.de>
9661
9662         PR tree-optimization/38723
9663         * tree-ssa-pre.c (compute_avail): Add all default definitions to
9664         the entry block.
9665
9666 2009-03-28  Jan Hubicka  <jh@suse.cz>
9667
9668         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
9669         test introduced by my previous patch.
9670
9671 2009-03-28  Richard Guenther  <rguenther@suse.de>
9672
9673         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
9674         the PHIs value undefined.
9675
9676 2009-03-28  Jan Hubicka  <jh@suse.cz>
9677
9678         * tree-pass.h (pass_fixup_cfg): New pass.
9679         * ipa-inline.c (inline_transform): Set
9680         always_inline_functions_inlined/after_inlining.
9681         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
9682         (pass_fixup_cfg): New pass.
9683         * passes.c (init_optimization_passes): Add fixup_cfg.
9684
9685 2009-03-28  Richard Guenther  <rguenther@suse.de>
9686
9687         PR tree-optimization/38458
9688         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
9689         argument use the arguments copy-of value.
9690
9691 2009-03-28  Richard Guenther  <rguenther@suse.de>
9692
9693         PR tree-optimization/38180
9694         * tree-ssa-ccp.c (get_default_value): Simplify.
9695         (likely_value): Likewise.
9696         (surely_varying_stmt_p): Properly handle VOP case.
9697         (ccp_initialize): Likewise.
9698         (ccp_fold): Handle propagating through *&.
9699         (fold_const_aggregate_ref): Also handle decls.
9700
9701 2009-03-28  Jan Hubicka  <jh@suse.cz>
9702
9703         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9704         * cgraph.h (cgraph_node): Likewise.
9705         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
9706         (cgraph_reset_node): Use process flag.
9707         (cgraph_mark_functions_to_output): Likewise.
9708         (cgraph_expand_function): Likewise.
9709         (cgraph_expand_all_functions): Likewise.
9710         (cgraph_output_in_order): Likewise.
9711         * dwarf2out.c (reference_to_unused): Likewise.
9712         * passes.c do_per_function_toporder): Likewise.
9713
9714 2009-03-28  Jan Hubicka  <jh@suse.cz>
9715
9716         Bring from lto-branch:
9717
9718         2008-09-03  Doug Kwan  <dougkwan@google.com>
9719
9720         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
9721         enums instead of reason strings.
9722         * cgraph.c (cgraph_create_edge): Same.
9723         (cgraph_inline_failed_string): New function.
9724         * cgraph.h (cgraph_inline_failed_t): New enum type.
9725         (cgraph_inline_failed_string): New prototype.
9726         (struct cgraph_edge): Change type of INLINED_FAILED from constant
9727         char pointer to cgraph_inline_failed_t.
9728         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
9729         (cgraph_default_inline_p): Ditto.
9730         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
9731         to cgraph_inline_failed_t pointer.
9732         * cif-code.def: New file.
9733         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
9734         reason string.
9735         (cgraph_check_inline_limits): Change type of REASON to pointer to
9736         cgraph_inline_failed_t.  Replace reason strings with enums.
9737         (cgraph_default_inline_p): Ditto.
9738         (cgraph_recursive_inlining_p): Ditto.
9739         (update_caller_keys): Change type of FAILED_REASON to
9740         cgraph_inline_failed_t.
9741         (cgraph_set_inline_failed): Change type of REASON to pointer to
9742         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
9743         convert enums to strings for text output.
9744         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
9745         to be of type cgraph_inline_failed_t.  Replace reason strings with
9746         enums.  Call cgraph_inline_failed_string to covert enums
9747         to strings for text output.
9748         (cgraph_decide_inlining): Replace reason strings with enums.
9749         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
9750         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
9751         for text output.
9752         * tree-inline.c (expand_call_inline): Change type of REASON
9753         to cgraph_inline_failed_t.  Replace reason strings with enums.
9754         Call cgraph_inline_failed_string for text output.
9755         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9756         (cgraph.o): Ditto.
9757
9758 2009-03-28  Jan Hubicka  <jh@suse.cz>
9759
9760         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9761         cgraph_clone_node): Remove master clone handling.
9762         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9763         * cgraph.h (master_clone): Remove.
9764         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9765         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9766         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9767
9768 2009-03-28  Jan Hubicka  <jh@suse.cz>
9769
9770         * cgraph.c (cgraph_function_body_availability): Functions declared
9771         inline are always safe to assume that it is not going to be replaced.
9772
9773 2009-03-28  Richard Guenther  <rguenther@suse.de>
9774
9775         PR tree-optimization/38513
9776         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9777         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9778         EXC_PTR_EXPR and FILTER_EXPR.
9779         (get_ref_from_reference_ops): Likewise.
9780
9781 2009-03-28  Richard Guenther  <rguenther@suse.de>
9782
9783         PR tree-optimization/38968
9784         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9785         Use FLOOR_MOD_EXPR to compute misalignment.
9786
9787 2009-03-28  Richard Guenther  <rguenther@suse.de>
9788
9789         PR tree-optimization/37795
9790         * tree.h (combine_comparisons): Declare.
9791         * fold-const.c (combine_comparisons): Export.
9792         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9793         comparisons.
9794         (ifcombine_iforif): Use combine_comparisons.
9795
9796 2009-03-28  Jan Hubicka  <jh@suse.cz>
9797
9798         * tree-eh.c (inlinable_call_p): New function.
9799         (make_eh_edges): Use it.
9800         (verify_eh_edges): Use it.
9801         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9802         * except.c (reachable_next_level): Add inlinable_function argument
9803         (sjlj_find_directly_reachable_regions): Update.
9804         (add_reachable_handler): Do not set saw_any_handlers.
9805         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9806         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9807         Add new inlinable call parameter.
9808         (can_throw_internal, can_throw_external): Update.
9809         * except.h (can_throw_internal_1, can_throw_external_1,
9810         foreach_reachable_handler): Update declaration.
9811
9812 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9813
9814         * config/arm/t-arm-coff, config/h8300/coff.h,
9815         config/i386/i386-aout.h, config/i386/i386-coff.h,
9816         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9817         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9818         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9819         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9820         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9821         sys-types.h: Remove.
9822         * Makefile.in: Remove protoize and fixproto support and references
9823         in comments.
9824         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9825         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9826         Remove.
9827         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9828         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9829         unprotoize$(exeext).
9830         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9831         (.PHONY): Don't depend on proto.
9832         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9833         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9834         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9835         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9836         build/gen-protos.o, build/scan.o, xsys-protos.h,
9837         build/fix-header$(build_exeext), build/fix-header.o,
9838         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9839         stmp-install-fixproto): Remove.
9840         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9841         SYSCALLS.c or fixproto files.
9842         (install-common): Don't install protoize.
9843         (install-headers-tar, install-headers-cpio, install-headers-cp):
9844         Don't depend on $(STMP_FIXPROTO).
9845         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9846         install fixproto files or write out fixproto settings.
9847         (uninstall): Don't uninstall protoize.
9848         * config.gcc (use_fixproto): Remove.
9849         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9850         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9851         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9852         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9853         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9854         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9855         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9856         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9857         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9858         * config/t-vxworks (STMP_FIXPROTO): Remove.
9859         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9860         STMP_FIXPROTO): Remove.
9861         * config.in, configure: Regenerate.
9862         * crtstuff.c (gid_t, uid_t): Don't undefine.
9863         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9864         (arm-*-coff, arm-*-aout: Remove target entries.
9865         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9866         Remove mention of AIX 4.1.
9867         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9868         * doc/invoke.texi (Running Protoize): Remove.
9869         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9870         (Protoize Caveats): Remove.
9871         * tsystem.h: Update comments on headers assumed to exist.
9872
9873 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9874
9875         * genautomata.c: Add a new year to the copyright.  Add a new
9876         reference.
9877         (struct insn_reserv_decl): Add comments for member bypass_list.
9878         (find_bypass): Remove.
9879         (insert_bypass): New.
9880         (process_decls): Use insert_bypass.
9881         (output_internal_insn_latency_func): Output all bypasses with the
9882         same input insn in one switch case.
9883
9884         * rtl.def (define_bypass): Describe bypass choice.
9885         * doc/md.texi (define_bypass): Ditto.
9886
9887 2009-03-27  Richard Guenther  <rguenther@suse.de>
9888
9889         * gimplify.c (mark_addressable): Export.
9890         * tree-flow.h (mark_addressable): Declare.
9891         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9892         * tree-ssa.c (verify_phi_args): Verify that address taken
9893         variables have TREE_ADDRESSABLE set.
9894
9895 2009-03-27  Richard Guenther  <rguenther@suse.de>
9896
9897         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9898         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9899         Do not mark decls TREE_ADDRESSABLE.
9900         (build_fold_addr_expr): Adjust.
9901         (fold_addr_expr): Remove.
9902         (fold_unary): Use build_fold_addr_expr.
9903         (fold_comparison): Likewise.
9904         (split_address_to_core_and_offset): Likewise.
9905         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9906         TREE_ADDRESSABLE.
9907         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9908         (gimplify_modify_expr_to_memcpy): Mark source and destination
9909         addressable.
9910         * omp-low.c (create_omp_child_function): Mark the object decl
9911         TREE_ADDRESSABLE.
9912         (lower_rec_input_clauses): Mark the var we take the address of
9913         TREE_ADDRESSABLE.
9914         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9915
9916 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9917
9918         PR middle-end/39315
9919         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9920         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9921
9922 2009-03-27  Richard Guenther  <rguenther@suse.de>
9923
9924         PR tree-optimization/39120
9925         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9926         constraints.
9927         (handle_lhs_call): Process return constraints.  Add escape
9928         constraints if necessary.
9929         (handle_const_call): Fill out return constraints.  Make nested
9930         case more precise.  Avoid consttmp if possible.
9931         (handle_pure_call): Fill out return constraints.  Avoid
9932         callused if possible.
9933         (find_func_aliases): Simplify call handling.
9934
9935 2009-03-27  Richard Guenther  <rguenther@suse.de>
9936
9937         PR tree-optimization/39120
9938         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9939         as a representative.
9940         (solve_graph): Do propagate CALLUSED.
9941         (handle_pure_call): Use a scalar constraint from CALLUSED for
9942         the return value.
9943         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9944         solutions.
9945
9946 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9947
9948         PR c/39323
9949         * c-common.c (handle_aligned_attribute): Properly check alignment
9950         overflow.  Use (1U << i) instead of (1 << i).
9951
9952         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9953
9954         * expr.h (get_mem_align_offset): Updated.
9955
9956         * tree.h (tree_decl_common): Change align to "unsigned int" and
9957         move it before pointer_alias_set.
9958
9959 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9960             Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR target/38034
9963         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9964         gr_register_operand with gr_reg_or_0_operand.
9965         (cmpxchg_rel_di): Likewise.
9966         (sync_lock_test_and_set<mode>): Likewise.
9967
9968 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9969
9970         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9971         (true_regnum): Likewise.
9972
9973         * rtlanal.c (subreg_info): Moved to ...
9974         * rtl.h (subreg_info): Here.  New.
9975         (subreg_get_info): New.
9976
9977         * rtlanal.c (subreg_get_info): Make it extern.
9978
9979 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9980
9981         PR target/39472
9982         * config/i386/i386.c (ix86_abi): New.
9983         (override_options): Handle -mabi=.
9984         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9985         (ix86_call_abi_override): Likewise.
9986         (init_cumulative_args): Likewise.
9987         (function_arg_advance): Likewise.
9988         (function_arg_64): Likewise.
9989         (function_arg): Likewise.
9990         (ix86_pass_by_reference): Likewise.
9991         (ix86_function_value_regno_p): Likewise.
9992         (ix86_build_builtin_va_list_abi): Likewise.
9993         (setup_incoming_varargs_64): Likewise.
9994         (is_va_list_char_pointer): Likewise.
9995         (ix86_init_machine_status): Likewise.
9996         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9997         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9998         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9999         (ix86_function_abi): Make it static and return enum calling_abi.
10000         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
10001         with ix86_abi.
10002         (ix86_fn_abi_va_list): Updated.
10003
10004         * config/i386/i386.h (ix86_abi): New.
10005         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
10006         (CONDITIONAL_REGISTER_USAGE): Likewise.
10007         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
10008         (machine_function): Likewise.
10009
10010         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
10011         with ix86_abi.
10012         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
10013         (STACK_BOUNDARY): Likewise.
10014         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
10015
10016         * config/i386/i386.opt (mabi=): New.
10017
10018         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
10019         return enum calling_abi.
10020         (ix86_function_type_abi): Likewise.
10021         (ix86_function_abi): Removed.
10022
10023         * doc/invoke.texi: Document -mabi= option for x86.
10024
10025 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10026
10027         * builtins.c (real_dconstp): Delete.
10028         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
10029
10030 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
10031             Jakub Jelinek  <jakub@redhat.com>
10032
10033         PR debug/37959
10034         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
10035         (gen_subprogram_die): When a function is explicit, generate the
10036         DW_AT_explicit attribute.
10037         * langhooks.h (struct lang_hooks_for_decls): Add
10038         function_decl_explicit_p langhook.
10039         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
10040         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
10041
10042 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
10043
10044         * builtins.c (fold_builtin_memory_op): Optimize memmove
10045         into memcpy if we can prove source and destination don't overlap.
10046
10047         * tree-inline.c: Include gt-tree-inline.h.
10048         (clone_fn_id_num): New variable.
10049         (clone_function_name): New function.
10050         (tree_function_versioning): Use it.
10051         * Makefile.in (GTFILES): Add tree-inline.c.
10052
10053 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
10054
10055         * BASE-VER: Change to 4.5.0.
10056
10057 2009-03-27  Xinliang David Li  <davidxl@google.com>
10058
10059         PR tree-optimization/39557
10060         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
10061
10062 2009-03-27  Xinliang David Li  <davidxl@google.com>
10063
10064         PR tree-optimization/39548
10065         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
10066         candidate check.
10067
10068 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10069
10070         * c-common.c (pointer_int_sum): Use %wd on return from
10071         tree_low_cst.
10072
10073 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10074
10075         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
10076         on return from tree_low_cst.
10077
10078 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10079
10080         PR c++/36799
10081         * ginclude/stdarg.h (va_copy): Define also for
10082         __GXX_EXPERIMENTAL_CXX0X__.
10083
10084 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10085
10086         PR c++/35652
10087         * builtins.h (c_strlen): Do not warn here.
10088         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
10089         * c-common.c (pointer_int_sum): Take an explicit location.
10090         Warn about offsets out of bounds.
10091         * c-common.h (pointer_int_sum): Adjust declaration.
10092
10093 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10094
10095         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
10096         markup glitch.
10097
10098 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
10099
10100         PR c++/39554
10101         * opts.c (warn_if_disallowed_function_p): Don't assume
10102         get_callee_fndecl must return non-NULL.
10103
10104 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
10105
10106         PR rtl-optimization/39522
10107         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
10108         when reg_reloaded_valid is set.
10109
10110 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10111
10112         * config/spu/divv2df3.c: New file.
10113         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
10114         (DPBIT_FUNCS): Filter out _div_df.
10115
10116 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10117
10118         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
10119         a jump insn, count that jump in the distance to the loop start.
10120
10121 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10122
10123         PR target/39523
10124         * config/sh/sh.c (calc_live_regs): Fix condition for global
10125         registers except PIC_OFFSET_TABLE_REGNUM.
10126
10127 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
10128
10129         PR/39518
10130         * doc/invoke.texi (-mconsole): New.
10131         (-mcygwin): New.
10132         (-mno-cygwin): New.
10133         (-mdll): New.
10134         (-mnop-fun-dllimport): New.
10135         (-mthread): New.
10136         (-mwin32): New.
10137         (-mwindows): New.
10138         (sub section "i386 and x86-64 Windows Options"): New.
10139
10140 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
10141
10142         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
10143         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
10144
10145 2009-03-25  Richard Guenther  <rguenther@suse.de>
10146
10147         PR middle-end/39497
10148         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
10149         of -Wno-error.
10150
10151 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
10152
10153         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
10154         neither of haifa/selective schedulers are working.
10155
10156 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10157
10158         * doc/invoke.texi (Debugging Options): Fix description of
10159         -fno-merge-debug-strings.
10160
10161 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
10162
10163         * config/cris/libgcc.ver: New version-script.
10164         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
10165
10166         * configure.ac <GAS features, nop mnemonic>: Add pattern
10167         crisv32-*-* for "nop".
10168         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
10169         * configure: Regenerate.
10170
10171 2009-03-24  Ira Rosen  <irar@il.ibm.com>
10172
10173         PR tree-optimization/39529
10174         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
10175         mark_sym_for_renaming for the tag copied to the new vector
10176         pointer.
10177
10178 2009-03-24  Arthur Loiret  <aloiret@debian.org>
10179
10180         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
10181         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
10182         EXTRA_SPEC_FUNCTIONS.
10183         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
10184         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
10185         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
10186         -march and -mtune options.
10187
10188 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
10189
10190         * config/m68k/t-rtems: Add m5329 multilib.
10191
10192 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
10193             Jakub Jelinek  <jakub@redhat.com>
10194
10195         PR debug/39524
10196         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
10197         nodes.
10198
10199 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10200
10201         PR c/39495
10202         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
10203         instead of c_parser_expression_conv, if original_code isn't one of the
10204         4 allowed comparison codes, fail.
10205
10206 2009-03-23  Richard Guenther  <rguenther@suse.de>
10207
10208         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
10209         * tree.h (struct tree_type): Likewise.
10210         * reload.h (struct insn_chain): Likewise.
10211         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
10212         * function.h (struct function): Likewise.
10213         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
10214
10215 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10216
10217         PR tree-optimization/39516
10218         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
10219
10220 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
10221
10222         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
10223         should be set true if BITS_PER_WORD of target is bigger than 32
10224
10225 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
10226
10227         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
10228         Translate -B-options to -rpath-link.  Correct existing
10229         rpath-link and conditionalize on !nostdlib.
10230
10231 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10232
10233         * doc/extend.texi (Function Attributes, Variable Attributes):
10234         Fix typos.
10235         * doc/invoke.texi (Debugging Options, Optimize Options)
10236         (i386 and x86-64 Options, MCore Options): Likewise.
10237
10238 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
10239
10240         PR debug/37890
10241         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
10242         it for block local namespace aliases.
10243         (gen_decl_die): Pass context_die to gen_namespace_die.
10244
10245 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10246
10247         PR c/39495
10248         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
10249         minimum or maximum value.
10250
10251 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
10252
10253         * reginfo.c (globalize_reg): Recompute derived reg sets.
10254
10255 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
10256
10257         PR target/39063
10258         * libgcc2.c (mprotect): Do not use signed arguments for
10259         VirtualProtect, use DWORD arguments.  Also fix the 'may
10260         be used uninitialized' warning for the np variable.
10261
10262 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10263
10264         PR target/39496
10265         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
10266         functions using regparm calling conventions when not optimizing.
10267         (ix86_function_sseregparm): Similarly for sseregparm calling
10268         conventions.
10269
10270 2009-03-19  Li Feng  <nemokingdom@gmail.com>
10271
10272         PR middle-end/39500
10273         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
10274         dependence if the first conflict is after niter iterations.
10275
10276 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
10277
10278         PR middle-end/38609
10279         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
10280         functions with dynamic stack-pointer adjustments.
10281
10282 2009-03-19  Ben Elliston  <bje@au.ibm.com>
10283
10284         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
10285         option; change to -msdata=data.
10286
10287 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10288
10289         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
10290         and -fopenmp.
10291
10292 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
10293
10294         PR target/35180
10295         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
10296
10297 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
10298
10299         * doc/invoke.texi (Code Gen Options): Expand discussion of
10300         -fno-common.
10301
10302 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
10303
10304         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
10305         * matrix-reorg.c (struct matrix_info): Likewise.
10306         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
10307         * rtl.h (struct mem_attrs): Likewise.
10308         * df.h (struct df): Likewise.
10309         * tree-data-ref.h (struct data_dependence_relation): Likewise.
10310         * ira-int.h (struct ira_allocno): Likewise.
10311         * df-scan.c (struct df_collection_rec): Likewise.
10312         * ira.c (struct equivalence): Likewise.
10313         * function.c (struct temp_slot): Likewise.
10314         * cfgloop.h (struct loop): Likewise.
10315
10316         PR debug/39485
10317         * function.c (use_register_for_decl): When not optimizing, disregard
10318         register keyword for variables with types containing methods.
10319
10320 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
10321
10322         PR middle-end/39447
10323         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
10324         (is_simple_operand): Call contains_component_ref_p before calling data
10325         reference analysis that would fail on COMPONENT_REFs.
10326
10327         * tree-vrp.c (search_for_addr_array): Fix formatting.
10328
10329 2009-03-18  Richard Guenther  <rguenther@suse.de>
10330
10331         * tree-vect-transform.c (vect_loop_versioning): Fold the
10332         generated comparisons.
10333         * tree-vectorizer.c (set_prologue_iterations): Likewise.
10334         (slpeel_tree_peel_loop_to_edge): Likewise.
10335
10336 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10337
10338         PR middle-end/37805
10339         * opts.c (print_specific_help): In addition to `undocumented',
10340         accept `separate' and `joined' flags if passed alone.  Describe
10341         output by the first matched one of those.
10342         (common_handle_option): Skip over empty strings.
10343         * gcc.c (display_help): Fix help string for `--help='.
10344         * doc/invoke.texi (Option Summary, Overall Options): With
10345         `--help=', classes and qualifiers can both be repeated, but
10346         only the latter can be negated.  One should not pass only
10347         negated qualifiers.  Fix markup and examples.
10348
10349         Revert
10350         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
10351         PR middle-end/37805
10352         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
10353         and -fhelp=separate.
10354
10355 2009-03-17  Jing Yu  <jingyu@google.com>
10356
10357         PR middle-end/39378
10358         * function.h (struct rtl_data): Move is_thunk from here...
10359         (struct function): ...to here.
10360         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
10361         * varasm.c (assemble_start_function): Change is_thunk from crtl to
10362         cfun.
10363         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
10364         cfun.
10365         (alpha_does_function_need_gp, alpha_start_function): Likewise.
10366         (alpha_output_function_end_prologue): Likewise.
10367         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
10368         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
10369         (rs6000_output_function_epilogue): Likewise.
10370         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
10371
10372 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
10373
10374         PR target/39482
10375         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
10376         from different units in a single alternative.
10377         (*truncdfsf_i387): Ditto.
10378         (*truncxfsf2_mixed): Ditto.
10379         (*truncxfdf2_mixed): Ditto.
10380
10381 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
10382
10383         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
10384         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
10385
10386         PR debug/39474
10387         * tree-ssa-live.c (remove_unused_locals): Don't remove local
10388         unused non-artificial variables when not optimizing.
10389
10390         PR debug/39471
10391         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
10392         DW_TAG_imported_module even if decl is IMPORTED_DECL with
10393         NAMESPACE_DECL in its DECL_INITIAL.
10394
10395         PR middle-end/39443
10396         * optabs.c (set_user_assembler_libfunc): New function.
10397         * expr.h (set_user_assembler_libfunc): New prototype.
10398         * c-common.c: Include libfuncs.h.
10399         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
10400         for memcmp, memset, memcpy, memmove and abort.
10401         * Makefile.in (c-common.o): Depend on libfuncs.h.
10402
10403         PR debug/39412
10404         * dwarf2out.c (gen_inlined_enumeration_type_die,
10405         gen_inlined_structure_type_die, gen_inlined_union_type_die,
10406         gen_tagged_type_instantiation_die): Removed.
10407         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
10408         do nothing.
10409
10410 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
10411
10412         PR testsuite/38526
10413         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
10414         its use.
10415         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
10416         (check-parallel-%): Ditto.
10417         (check-consistency): Ditto.
10418
10419 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
10420
10421         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
10422         local variable rhs by NULL_TREE.
10423
10424 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10425
10426         PR target/39477
10427         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
10428
10429 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10430
10431         PR target/39476
10432         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
10433
10434 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10435
10436         PR target/39473
10437         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
10438         for ms->sysv ABI calls only in 64bit mode.
10439
10440         * config/i386/i386.md (untyped_call): Support 32bit.
10441
10442 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
10443
10444         * doc/extend.texi: Replace x86_65 with x86_64.
10445
10446 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
10447
10448         PR tree-optimization/39455
10449         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
10450         mismatches for POINTER_TYPE_P (type).
10451         (number_of_iterations_le): Likewise.
10452
10453 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10454
10455         * config/picochip/picochip.c: Removed profiling support.
10456         * config/picochip/picochip.md: Removed profiling instruction.
10457         * config/picochip/picochip.h: Removed profiling builtin.
10458
10459 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
10460
10461         * doc/install.texi (--with-host-libstdcxx): Document.
10462
10463 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
10464
10465         PR target/34299
10466         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
10467         generate a warning if the function name does not begin with
10468         "__vector" and the function has either the 'signal' or 'interrupt'
10469         attribute, from here to ...
10470         (avr_declare_function_name): ...here. New function.
10471         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
10472         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
10473
10474 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
10475
10476         PR bootstrap/39454
10477         * cse.c (fold_rtx): Don't modify original const_arg1 when
10478         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
10479         separate variable instead.
10480         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
10481         from out of range shift counts.
10482         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
10483
10484 2009-03-13  Catherine Moore  <clm@codesourcery.com>
10485
10486         * config/i386/x-mingw32 (host-mingw32.o): Replace
10487         diagnostic.h with $(DIAGNOSTIC_H).
10488
10489 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
10490
10491         PR target/39431
10492         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
10493         predicate.
10494         * config/i386/sync.md (sync_compare_and_swap<mode>,
10495         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
10496         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10497         into a register.
10498         (sync_double_compare_and_swapdi_pic,
10499         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
10500         cmpxchg8b_pic_memory_operand instead of just memory_operand.
10501
10502 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10503
10504         PR target/39445
10505         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
10506
10507 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10508
10509         PR target/39327
10510         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10511         (avx_addsubv4df3): Likewise.
10512         (*avx_addsubv4sf3): Likewise.
10513         (sse3_addsubv4sf3): Likewise.
10514
10515 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10516
10517         PR target/38824
10518         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
10519
10520 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10521
10522         PR debug/39432
10523         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
10524         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
10525         registers for allocnos created from user-defined variables.
10526
10527 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10528
10529         PR target/39181
10530         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
10531         of non-integer mode as well.
10532
10533 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
10534
10535         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
10536         for functions for which the parameter types are unknown.
10537
10538 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
10539
10540         PR target/39137
10541         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
10542         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
10543         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
10544         * config/i386/i386.c (ix86_local_alignment): For
10545         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10546         long long variables on the stack to avoid dynamic realignment.
10547         Allow the first argument to be a decl rather than type.
10548         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
10549
10550 2009-03-11  Nick Clifton  <nickc@redhat.com>
10551
10552         PR target/5362
10553         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
10554         options.
10555         Add description to mno-lsim option.
10556         * config/mcore/mcore.h: Remove comment about deprecated m4align
10557         option.
10558         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10559         * doc/invoke.texi: Add description of mno-lsim and
10560         mstack-increment options.
10561
10562         * config/fr30/fr30.opt: Document the -mno-lsim option.
10563         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
10564         and -mno-lsim options.
10565
10566 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10567
10568         * fold-const.c (fold_comparison): Only call fold_inf_compare
10569         if the mode supports infinities.
10570
10571 2009-03-11  Jason Merrill  <jason@redhat.com>
10572
10573         PR debug/39086
10574         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10575         end already did.  Notice GIMPLE_CALL modifications of the result.
10576         Don't copy debug information from an ignored decl or a decl from
10577         another function.
10578
10579 2009-03-10  Richard Guenther  <rguenther@suse.de>
10580             Nathan Froyd  <froydnj@codesourcery.com>
10581
10582         PR middle-end/37850
10583         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
10584         (__divMODE3): Likewise.
10585
10586 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
10587
10588         PR tree-optimization/39394
10589         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
10590         DECL_SIZE_UNIT of variable length FIELD_DECLs.
10591
10592 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10593
10594         * recog.c (verfiy_changes): Disallow renaming of hard regs in
10595         inline asms for register asm ("") declarations.
10596
10597 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10598
10599         * fold-const.c (fold_unary): Fix comment.
10600
10601 2009-03-07  Jan Hubicka  <jh@suse.cz>
10602
10603         PR target/39361
10604         * tree-inline.c (setup_one_parameter): Do replacement of const
10605         argument by constant in SSA form.
10606
10607 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10608
10609         PR middle-end/38028
10610         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
10611         determine alignment passed to assign_stack_local.
10612         (assign_parms_unsplit_complex): Likewise.
10613         * except.c (sjlj_build_landing_pads): Likewise.
10614
10615 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10616
10617         PR middle-end/39360
10618         * tree-flow.h (add_referenced_var): Return bool instead of void.
10619         * tree-dfa.c (add_referenced_var): Return result of
10620         referenced_var_check_and_insert call.
10621         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
10622         of referenced_var_check_and_insert.
10623
10624         PR debug/39372
10625         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
10626         (gen_variable_die): Emit DW_AT_location on abstract static variable's
10627         DIE, don't emit it if abstract origin already has it.
10628         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
10629         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
10630
10631 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10632
10633         * genpreds.c (needs_variable): Fix parentheses at variable name
10634         detection.
10635         (write_tm_constrs_h): Indent generated code.
10636
10637 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10638
10639         * doc/extend.texi (Function Attributes): Add documentation
10640         for isr attributes.
10641
10642 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10643
10644         PR debug/39387
10645         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
10646         take locus from its DECL_SOURCE_LOCATION instead of input_location.
10647
10648 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10649
10650         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
10651         the loop as bad.
10652
10653 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
10654
10655         PR debug/39379
10656         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10657         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
10658
10659 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
10660
10661         * config/i386/i386.md (R8_REG, R9_REG): New constants.
10662         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
10663         constants instead of magic numbers.
10664         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
10665         (QI_REG_P): Ditto.
10666         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
10667         (x86_64_ms_abi_int_parameter_registers): Ditto.
10668         (x86_64_int_return_registers): Ditto.
10669         (ix86_maybe_switch_abi): Ditto.
10670         (ix86_expand_call): Ditto for clobbered_registers array.
10671         (ix86_hard_regno_mode_ok): Ditto.
10672         (x86_extended_QIreg_mentioned_p): Ditto.
10673
10674 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
10675
10676         PR tree-optimization/39349
10677         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
10678
10679         * combine.c (gen_lowpart_for_combine): Use omode when generating
10680         clobber.
10681
10682 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
10683
10684         PR rtl-optimization/39235
10685         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
10686
10687 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10688
10689         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10690
10691 2009-03-04  Richard Guenther  <rguenther@suse.de>
10692
10693         PR tree-optimization/39362
10694         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
10695         that occur in abnormal PHIs should be varying.
10696
10697 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10698
10699         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
10700         Extend comments.
10701         (simple_iv):  Take loop as an argument instead of statement.
10702         * tree-scalar-evolution.h (simple_iv): Declaration changed.
10703         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
10704         to simple_iv.
10705         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
10706         Ditto.
10707         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
10708         * matrix-reorg.c (analyze_transpose): Ditto.
10709         * tree-data-ref.c (dr_analyze_innermost): Ditto.
10710         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10711         * tree-predcom.c (ref_at_iteration): Ditto.
10712         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
10713
10714 2009-03-04  Richard Guenther  <rguenther@suse.de>
10715
10716         PR tree-optimization/39358
10717         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
10718         escaped_id and callused_id.
10719         (solve_graph): Likewise.
10720
10721 2009-03-04  Richard Guenther  <rguenther@suse.de>
10722
10723         PR tree-optimization/39339
10724         * tree-sra.c (try_instantiate_multiple_fields): Make it
10725         no longer ICE on the above.
10726
10727 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
10728
10729         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
10730         that fits within Pmode.
10731
10732 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10733
10734         PR middle-end/10109
10735         * tm.texi (LIBCALL_VALUE): Update description.
10736
10737 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10738
10739         PR middle-end/34443
10740         * doc/extend.texi (section): Update description.
10741
10742 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
10743
10744         PR middle-end/39345
10745         * tree-inline.c (remapped_type): New.
10746         (can_be_nonlocal): Call remapped_type instead of remap_type.
10747
10748 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10749
10750         PR fortran/39354
10751         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
10752         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
10753
10754 2009-03-03  Richard Guenther  <rguenther@suse.de>
10755
10756         PR middle-end/39272
10757         * tree.c (tree_nonartificial_location): New function.
10758         * tree.h (tree_nonartificial_location): Declare.
10759         * builtins.c (expand_builtin_memory_chk): Provide location
10760         of the call location for artificial function pieces.
10761         (maybe_emit_chk_warning): Likewise.
10762         (maybe_emit_sprintf_chk_warning): Likewise.
10763         (maybe_emit_free_warning): Likewise.
10764         * expr.c (expand_expr_real_1): Likewise.
10765
10766 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10767
10768         PR tree-optimization/39343
10769         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10770         COMPONENT_REF t has ARRAY_TYPE.
10771
10772 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10773
10774         PR middle-end/39335
10775         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10776         when the type precision of the induction variable should be
10777         larger than the type precision of nit.
10778         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10779         * graphite.c (graphite_loop_normal_form): Same.
10780         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10781
10782 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10783
10784         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10785         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10786         numbers to describe clobbered registers.
10787         (*call_value_0_rex64_ms_sysv): Ditto.
10788         * config/i386/mmx.md (mmx_emms): Ditto.
10789         (mmx_femms): Ditto.
10790
10791 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10792
10793         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10794         of ABI_64.
10795
10796 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10797
10798         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10799         (spu_section_type_flags): New function.
10800
10801 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10802
10803         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10804         reg_class_contents of FLOAT_REGS into a temporary.
10805
10806 2009-03-02  Richard Guenther  <rguenther@suse.de>
10807             Ira Rosen  <irar@il.ibm.com>
10808
10809         PR tree-optimization/39318
10810         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10811         information to the vectorized statement.
10812
10813 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10814
10815         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10816         variable.  Use defined names instead of magic constants for REX SSE
10817         registers.
10818
10819 2009-03-01  Richard Guenther  <rguenther@suse.de>
10820
10821         PR tree-optimization/39331
10822         * omp-low.c (lower_send_shared_vars): Do not receive new
10823         values for the reference of DECL_BY_REFERENCE parms or results.
10824
10825 2009-03-01  Jan Hubicka  <jh@suse.cz>
10826
10827         PR debug/39267
10828         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10829         BLOCK_NONLOCALIZED_VAR): New macros.
10830         (tree_block): Add nonlocalized_vars.
10831         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10832         gen_decl_die): Add origin argument.  Allow generation of die with
10833         origin at hand only.
10834         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10835         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10836         of gen_*.
10837         (gen_block_die): Fix checking for unused blocks.
10838         (process_scope_var): Break out from .... ; work with origins only.
10839         (decls_for_scope) ... here; process nonlocalized list.
10840         (dwarf2out_ignore_block): Look for nonlocalized vars.
10841         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10842         vars.
10843         (dump_scope_block): Dump them.
10844         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10845         (remap_block): Likewise.
10846         (can_be_nonlocal): New predicate.
10847         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10848
10849 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10850
10851         * configure: Regenerate.
10852
10853 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10854
10855         * optc-gen.awk: No need to duplicate option flags twice.
10856         Reuse help texts for duplicate options which do not have any.
10857
10858         * gcc.c (display_help): Document --version.
10859
10860         * gcc.c (main): If print_help_list and verbose_flag, ensure
10861         driver output comes before subprocess output.
10862
10863         * optc-gen.awk: Assign all remaining fields to help string,
10864         space-separated, for multi-line help in *.opt.
10865
10866         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10867         -Wno-pedantic-ms-format is for MinGW targets only.
10868
10869         * doc/options.texi (Option file format): Fix bad indentation,
10870         restoring dropped sentence.
10871
10872 2009-02-28  Jan Hubicka  <jh@suse.cz>
10873
10874         * tree-inline.c (tree_function_versioning): Output debug info.
10875
10876 2009-02-28  Jan Hubicka  <jh@suse.cz>
10877
10878         PR debug/39267
10879         * tree-inline.c (setup_one_parameter): Do not copy propagate
10880         arguments when not optimizing.
10881
10882 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10883
10884         PR target/39327
10885         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10886         (avx_addsubv4df3): Likewise.
10887         (*avx_addsubv4sf3): Likewise.
10888         (sse3_addsubv4sf3): Likewise.
10889         (*avx_addsubv2df3): Likewise.
10890         (sse3_addsubv2df3): Likewise.
10891         (avx_unpckhps256): Correct item selectors.
10892         (avx_unpcklps256): Likewise.
10893         (avx_unpckhpd256): Likewise.
10894         (avx_unpcklpd256): Likewise.
10895
10896 2009-02-28  Jan Hubicka  <jh@suse.cz>
10897
10898         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10899         static vars.
10900         (copy_arguments_for_versioning): If var is declared don't declare it.
10901         (tree_function_versioning): First setup substitutions and then copy
10902         args.
10903
10904 2009-02-27  Jan Hubicka  <jh@suse.cz>
10905
10906         PR debug/39267
10907         * cgraph.h (varpool_output_debug_info): Remove.
10908         * cgraphunit.c (varpool_output_debug_info): Remove.
10909         * dwarf2out.c (deferred_locations_struct): New struct
10910         (deferred_locations): New type.
10911         (deferred_locations_list): New static var.
10912         (deffer_location): New function.
10913         (gen_variable_die): Use it.
10914         (decls_for_scope): Output info on local static vars.
10915         (dwarf2out_finish): Process deferred locations.
10916         * varpool.c (varpool_output_debug_info): Remove.
10917
10918 2009-02-27  Jan Hubicka  <jh@suse.cz>
10919
10920         PR debug/39267
10921         * tree.h (TREE_PROTECTED): Fix comment.
10922         (BLOCK_HANDLER_BLOCK): Remove.
10923         (struct tree_block): Remove handler_block add body_block.
10924         (inlined_function_outer_scope_p): New.
10925         (is_body_block): Remove.
10926         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10927         * dwarf2out.c (is_inlined_entry_point): Remove.
10928         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10929         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10930         code.
10931         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10932         * gimplify.c (gimplify_expr): Gimplify body blocks.
10933         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10934         block with multiple subblocks.
10935         (dump_scope_block): Prettier output; dump more flags and info.
10936         (dump_scope_blocks): New.
10937         (remove_unused_locals): Use dump_scope_blocks.
10938         * tree-flow.h (dump_scope_blocks): Declare.
10939         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10940         * stmt.c (is_body_block): Remove.
10941         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10942         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10943
10944 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10945
10946         PR middle-end/39308
10947         * graphite.c (graphite_loop_normal_form): Do not call
10948         number_of_iterations_exit from a gcc_assert.
10949
10950 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10951
10952         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10953         jumps if COND is NULL.
10954         (find_cond_jump): New function.
10955         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10956         * config/s390/s390.md: Remove z10_cobra attribute value.
10957
10958 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10959
10960         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10961         force_const_mem returns NULL_RTX.
10962
10963 2009-02-26  Jan Hubicka  <jh@suse.cz>
10964
10965         PR debug/39267
10966         * cgraph.h (varpool_output_debug_info): Remove.
10967         * cgraphunit.c (varpool_output_debug_info): Remove.
10968         * dwarf2out.c (deferred_locations_struct): New struct
10969         (deferred_locations): New type.
10970         (deferred_locations_list): New static var.
10971         (deffer_location): New function.
10972         (gen_variable_die): Use it.
10973         (decls_for_scope): Output info on local static vars.
10974         (dwarf2out_finish): Process deferred locations.
10975         * varpool.c (varpool_output_debug_info): Remove.
10976
10977 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10978
10979         PR rtl-optimization/39241
10980         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10981         to subreg_offset_representable_p.
10982
10983 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10984
10985         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10986         execute function prototype.  Get f and nregs from max_reg_num
10987         and get_insns.  Remove the first backward pass as it's dead,
10988         guard the forward pass by flag_expensive_optimizations.
10989         (rest_of_handle_regmove): Delete.
10990         (pass_regmove): Replace it with regmove_optimize.
10991
10992 2009-02-25  Martin Jambor  <mjambor@suse.cz>
10993
10994         PR tree-optimization/39259
10995         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
10996         calls_alloca function flags.
10997         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10998         calls are detected.
10999
11000 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11001
11002         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
11003         flags_set_1_rtx, flags_set_1_set): Delete.
11004         (regmove_optimize): Do not call mark_flags_life_zones.
11005
11006 2009-02-24  Julian Brown  <julian@codesourcery.com>
11007
11008         PR target/35965
11009         * config/arm/arm.c (require_pic_register): Only set
11010         cfun->machine->pic_reg once per function.
11011
11012 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
11013
11014         * doc/invoke.texi (Link Options): Document an easier way to pass
11015         options that take arguments to the GNU linker using -Xlinker and -Wl.
11016
11017 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
11018
11019         PR target/33785
11020         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
11021
11022 2009-02-24  Richard Guenther  <rguenther@suse.de>
11023
11024         PR debug/39285
11025         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
11026
11027 2009-02-24  Richard Guenther  <rguenther@suse.de>
11028             Zdenek Dvorak  <ook@ucw.cz>
11029
11030         PR tree-optimization/39233
11031         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
11032         from converting them to a generic type.
11033
11034 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
11035
11036         PR tree-optimization/39260
11037         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
11038         contains a condition with a real type.
11039         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
11040
11041 2009-02-23  Jason Merrill  <jason@redhat.com>
11042
11043         PR c++/38880
11044         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
11045         narrowing_initializer_constant_valid_p.
11046         (narrowing_initializer_constant_valid_p): Don't return
11047         null_pointer_node for adding a pointer to itself.
11048
11049 2009-02-23  Jan Hubicka  <jh@suse.cz>
11050
11051         PR c/12245
11052         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
11053         resizing.
11054
11055 2009-02-23  Jan Hubicka  <jh@suse.cz>
11056
11057         PR tree-optimization/37709
11058         * tree.c (block_ultimate_origin): Move here from dwarf2out.
11059         * tree.h (block_ultimate_origin): Declare.
11060         * dwarf2out.c (block_ultimate_origin): Move to tree.c
11061         * tree-ssa-live.c (remove_unused_scope_block_p):
11062         Eliminate blocks containig no instructions nor live variables nor
11063         nested blocks.
11064         (dump_scope_block): New function.
11065         (remove_unused_locals): Enable removal of dead blocks by default;
11066         enable dumping at TDF_DETAILS.
11067
11068 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11069
11070         * config/i386/i386.c (classify_argument): Don't allow COImode
11071         and OImode.
11072         (function_arg_advance_32): Don't allow OImode.
11073         (function_arg_32): Likewise.
11074         (function_value_32): Likewise.
11075         (return_in_memory_32): Likewise.
11076         (function_arg_64): Remove OImode comment.
11077
11078 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11079
11080         PR target/39261
11081         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11082         ix86_expand_vector_set for V4DImode in 64bit mode only.
11083         (ix86_expand_vector_init_one_var): Likewise.
11084
11085 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
11086
11087         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
11088
11089 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11090
11091         PR bootstrap/39257
11092         * loop-iv.c: Revert last change.
11093         * emit-rtl.c: Likewise.
11094
11095 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11096
11097         PR target/39256
11098         * config/i386/i386.c (type_natural_mode): Remove an extra
11099         space in the warning message.
11100         (function_value_32): Handle 32-byte vector modes.
11101         (return_in_memory_32): Likewise.
11102
11103 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11104
11105         * loop-iv.c (truncate_value): New function.
11106         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
11107         of lowpart_subreg.
11108         (lowpart_subreg): Move to...
11109         * emit-rtl.c: ...here.
11110
11111 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
11112
11113         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
11114         accidental and undocumented change at revision 140860.
11115
11116 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
11117
11118         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
11119         take gimple_seq * arguments.
11120         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
11121         types_compatible_p langhook.
11122
11123 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
11124             Joseph Myers  <joseph@codesourcery.com>
11125
11126         * config/arm/arm.c (arm_builtin_va_list): New function.
11127         (arm_expand_builtin_va_start): Likewise.
11128         (arm_gimplify_va_arg_expr): Likewise.
11129         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
11130         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
11131         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
11132         (va_list_type): New variable.
11133         (arm_mangle_type): Mangle va_list_type appropriately.
11134
11135 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11136
11137         PR middle-end/39157
11138         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
11139         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
11140         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
11141         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
11142         parameter to 1000 for -O1 by default.
11143         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
11144         parameter.
11145         * loop-invariant.c: Include params.h.
11146         (move_loop_invariants): Don't call move_single_loop_invariants on
11147         very large loops.
11148
11149 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
11150
11151         * calls.c (emit_library_call_value_1): Use slot_offset instead of
11152         offset when calculating bounds for indexing stack_usage_map.  Fixes
11153         a buffer overflow with certain target setups.
11154
11155 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11156
11157         PR target/39240
11158         * calls.c (expand_call): Clear try_tail_call if caller and callee
11159         disagree in promotion of function return value.
11160
11161 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
11162
11163         PR target/39175
11164         * c-common.c (c_determine_visibility): If visibility changed and
11165         DECL_RTL has been already set, call make_decl_rtl to update symbol
11166         flags.
11167
11168 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11169
11170         PR c++/39188
11171         * varasm.c (assemble_variable): Don't check DECL_NAME when
11172         globalizing a variable.
11173
11174 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
11175
11176         PR c/38483
11177         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
11178         expression before any __builtin_trap call.
11179         * c-typeck.c (build_function_call): Convert and check function
11180         arguments before generating a call to a trap.  Evaluate the
11181         function arguments before the trap.
11182
11183 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
11184
11185         PR target/39228
11186         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
11187         (UNSPEC_FXAM_MEM): New unspec.
11188         (fxam<mode>2_i387_with_temp): New insn and split pattern.
11189         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
11190         memory using fxam<mode>2_i387_with_temp to remove excess precision.
11191
11192 2009-02-19  Richard Guenther  <rguenther@suse.de>
11193
11194         PR tree-optimization/39207
11195         PR tree-optimization/39074
11196         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
11197         storedanything_tree): New.
11198         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
11199         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
11200         (build_succ_graph): Add edges from STOREDANYTHING to all
11201         non-direct nodes.
11202         (init_base_vars): Initialize STOREDANYTHING.
11203         (compute_points_to_sets): Free substitution info after
11204         building the succ graph.
11205         (ipa_pta_execute): Likewise.
11206
11207         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
11208         field.
11209         (do_ds_constraint): Do not add to special var or non-pointer
11210         field solutions.
11211         (type_could_have_pointers): Split out from ...
11212         (could_have_pointers): ... here.  For arrays use the element type.
11213         (create_variable_info_for): Initialize may_have_pointers.
11214         (new_var_info): Likewise.
11215         (handle_lhs_call): Make the HEAP variable unknown-sized.
11216         (intra_create_variable_infos): Use a type with pointers for
11217         PARM_NOALIAS, make it unknown-sized.
11218
11219 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11220
11221         PR target/39224
11222         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
11223
11224 2009-02-18  Jason Merrill  <jason@redhat.com>
11225
11226         PR target/39179
11227         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
11228         value if DECL_EXTERNAL.
11229         * tree-sra.c (sra_walk_gimple_assign): Likewise.
11230         * target.h (gcc_target::binds_local_p): Clarify "module".
11231         * tree.h (TREE_PUBLIC): Clarify "module".
11232
11233 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
11234
11235         PR target/38891
11236         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
11237         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
11238
11239 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
11240
11241         PR target/39082
11242         * c.opt (Wabi): Support C and ObjC.
11243         (Wpsabi): New.
11244
11245         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
11246
11247         * config/i386/i386.c (classify_argument): Warn once about the ABI
11248         change when passing union with long double.
11249
11250         * doc/invoke.texi: Update -Wabi for warning psABI changes.
11251
11252 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
11253
11254         PR c/35447
11255         * c-parser.c (c_parser_compound_statement): Always enter and leave
11256         a scope.
11257
11258 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11259
11260         PR target/34587
11261         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
11262
11263 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
11264
11265         PR tree-optimization/36922
11266         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
11267         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
11268         Likewise.
11269
11270 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11271
11272         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
11273         to 0 for EABI64.
11274
11275 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11276
11277         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
11278
11279 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11280
11281         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
11282         tree sharing.
11283
11284 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
11285             Richard Sandiford  <rdsandiford@googlemail.com>
11286
11287         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
11288         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
11289         (loongson_biadd): ...this.
11290
11291 2009-02-17  Richard Guenther  <rguenther@suse.de>
11292
11293         PR tree-optimization/39202
11294         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
11295         a var make sure to follow existing collapses.
11296
11297 2009-02-17  Richard Guenther  <rguenther@suse.de>
11298
11299         PR middle-end/39214
11300         * langhooks.c (lhd_print_error_function): Check for NULL block.
11301
11302 2009-02-17  Richard Guenther  <rguenther@suse.de>
11303
11304         PR tree-optimization/39204
11305         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
11306         of the PHI arg.
11307
11308 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
11309
11310         * config/soft-fp/double.h: Update from glibc CVS.
11311
11312 2009-02-17  Richard Guenther  <rguenther@suse.de>
11313
11314         PR tree-optimization/39207
11315         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
11316         strict-aliasing warnings for pointers pointing to NULL.
11317
11318 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
11319
11320         PR c/35446
11321         * c-parser.c (c_parser_braced_init): Call pop_init_level when
11322         skipping until next close brace.
11323
11324 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
11325
11326         PR target/37049
11327         * config/i386/i386.c (ix86_expand_push): Set memory alignment
11328         to function argument boundary.
11329
11330 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11331
11332         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
11333         in the lea_add. Reload eventually constraints it properly.
11334         * config/picochip/constraints.md: Remove the target constraint
11335         "b", since it is not needed anymore.
11336
11337 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
11338
11339         * gthr-dce.h: Uglify function parameter and local variable names.
11340         * gthr-gnat.h: Likewise.
11341         * gthr-mipssde.h: Likewise.
11342         * gthr-nks.h: Likewise.
11343         * gthr-posix95.h: Likewise.
11344         * gthr-posix.h: Likewise.
11345         * gthr-rtems.h: Likewise.
11346         * gthr-single.h: Likewise.
11347         * gthr-solaris.h: Likewise.
11348         * gthr-tpf.h: Likewise.
11349         * gthr-vxworks.h: Likewise.
11350         * gthr-win32.h: Likewise.
11351
11352 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
11353
11354         PR target/39196
11355         * config/i386/i386.md: Restrict the new peephole2 to move
11356         between MMX/SSE registers.
11357
11358 2009-02-15  Richard Guenther  <rguenther@suse.de>
11359
11360         Revert
11361         2009-02-13  Richard Guenther  <rguenther@suse.de>
11362
11363         * configure.ac: Enable LFS.
11364         * configure: Re-generate.
11365         * config.in: Likewise.
11366
11367 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11368
11369         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
11370         spu_srqwbyte, spu_srqwbytebc): Define.
11371         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
11372         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
11373         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
11374         "shrqby_<mode>"): New insn-and-split patterns.
11375         * config/spu/spu.c (expand_builtin_args): Determine and return
11376         number of operands using spu_builtin_description data.
11377         (spu_expand_builtin_1): Use it.
11378
11379 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
11380
11381         PR target/38056
11382         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
11383         TARGET_CONST_GP.
11384
11385 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11386
11387         PR target/39149
11388         * config/i386/i386.c (override_options): Correct warning
11389         messages for -malign-loops, -malign-jumps and -malign-functions.
11390
11391 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11392
11393         PR target/39152
11394         * config/i386/i386.md: Restrict the new peephole2 to move
11395         between the general purpose registers.
11396
11397 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11398
11399         PR target/39162
11400         * config/i386/i386.c (type_natural_mode): Add a new argument.
11401         Return the original mode and warn ABI change if vector size is 32byte.
11402         (function_arg_advance): Updated.
11403         (function_arg): Likewise.
11404         (ix86_function_value): Likewise.
11405         (ix86_return_in_memory): Likewise.
11406         (ix86_sol10_return_in_memory): Likewise.
11407         (ix86_gimplify_va_arg): Likewise.
11408         (function_arg_32): Don't warn ABX ABI change here.
11409         (function_arg_64): Likewise.
11410
11411 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
11412
11413         * loop-iv.c (implies_p): In the final case, test that operands 0
11414         of the two comparisons match.
11415
11416         * config/bfin/bfin.c (find_prev_insn_start): New function.
11417         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
11418         (find_next_insn_start): Move.
11419
11420 2009-02-13  Richard Guenther  <rguenther@suse.de>
11421
11422         * configure.ac: Enable LFS.
11423         * configure: Re-generate.
11424         * config.in: Likewise.
11425
11426 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
11427
11428         PR c/35444
11429         * c-parser.c (c_parser_parms_list_declarator): Discard pending
11430         sizes on syntax error after some arguments have been parsed.
11431
11432 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11433
11434         * doc/invoke.texi (-fira): Remove.
11435
11436 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11437
11438         * caller-save.c: Replace regclass.c with reginfo.c in comments.
11439         * recog.c: Likewise.
11440         * rtl.h: Likewise.
11441
11442 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
11443
11444         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
11445         (umul_ppmm): Likewise.
11446         (count_leading_zeros): Likewise.
11447         (count_trailing_zeros): Likewise.
11448         (UMUL_TIME): Likewise.
11449
11450 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11451
11452         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
11453         soft-fp/t-softfp to tmake_file.
11454
11455         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
11456         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
11457         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
11458         IA64_BUILTIN_INFQ]: New.
11459         (ia64_init_builtins): Initialize __builtin_infq,
11460         __builtin_fabsq and __builtin_copysignq if not HPUX.
11461         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
11462         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
11463
11464         * config/ia64/lib1funcs.asm (__divtf3): Define only if
11465         SHARED is defined.
11466         (__fixtfti): Likewise.
11467         (__fixunstfti): Likewise.
11468         (__floattitf): Likewise.
11469
11470         * config/ia64/libgcc-glibc.ver: New.
11471         * config/ia64/t-fprules-softfp: Likewise.
11472         * config/ia64/sfp-machine.h: Likewise.
11473
11474         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
11475         (LIBGCC2_TF_CEXT): Likewise.
11476         (TF_SIZE): Likewise.
11477         (TARGET_INIT_LIBFUNCS): Likewise.
11478
11479         * config/ia64/t-glibc (SHLINB_MAPFILES):
11480         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
11481
11482 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11483
11484         * config/i386/i386.c (construct_container): Rewrite processing
11485         BLKmode with X86_64_SSE_CLASS.
11486
11487 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
11488
11489         PR target/39152
11490         * config/i386/i386.md: Replace simplify_replace_rtx with
11491         replace_rtx in the new peephole2.
11492
11493 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
11494
11495         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
11496         loop unrolling do not happen at -O2.
11497
11498 2009-02-12  Michael Matz  <matz@suse.de>
11499
11500         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
11501
11502 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11503
11504         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
11505         for -g3.
11506
11507 2009-02-12  Ben Elliston  <bje@au.ibm.com>
11508
11509         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
11510         patterns when updating the back chain.  Missed in the 2009-02-10
11511         change.
11512
11513 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
11514
11515         * doc/extend.texi (Decimal Floating Types): Update identifier of
11516         draft TR and list of missing support.
11517
11518 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
11519
11520         PR middle-end/39154
11521         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
11522         bit to variable length decl's flags, add it also to its
11523         pointer replacement variable.
11524
11525 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
11526             Jakub Jelinek  <jakub@redhat.com>
11527
11528         PR target/39118
11529         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
11530         (memory_blockage): New expander.
11531         (*memory_blockage): New insn pattern.
11532         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
11533         instead of general blockage at the end of function prologue when
11534         frame pointer is used to access red zone area.  Do not emit blockage
11535         when profiling, it is emitted in generic code.
11536         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
11537         function epilogue when frame pointer is used to access red zone area.
11538
11539 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
11540
11541         PR target/38824
11542         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
11543         by arithmetic with memory operands.
11544         * config/i386/predicates.md (commutative_operator): New.
11545
11546 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
11547
11548         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
11549         bulleted lists.
11550
11551 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11552
11553         * alias.h (record_alias_subset): Declare.
11554         * alias.c (record_alias_subset): Make global.
11555
11556 2009-02-10  Nick Clifton  <nickc@redhat.com>
11557
11558         * tree-parloops.c: Change license to GPLv3.
11559         * ipa-struct-reorg.c: Change license to GPLv3.
11560         * ipa-struct-reorg.h: Change license to GPLv3.
11561
11562 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
11563
11564         PR c/39084
11565         * c-decl.c (start_struct): Return NULL on error.
11566
11567 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
11568
11569         PR middle-end/39124
11570         * cfgloopmanip.c (remove_path): Call remove_bbs after
11571         cancel_loop_tree, not before it.
11572
11573         PR target/39139
11574         * function.h (struct function): Add has_local_explicit_reg_vars bit.
11575         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
11576         VAR_DECLs were seen.
11577         * tree-ssa-live.c (remove_unused_locals): Recompute
11578         cfun->has_local_explicit_reg_vars.
11579         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
11580         copies or clearings if cfun->has_local_explicit_reg_vars.
11581
11582 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
11583
11584         PR target/39118
11585         * config/i386/i386.c (expand_prologue): Emit blockage at the end
11586         of function prologue when frame pointer is used to access
11587         red zone area.
11588
11589 2009-02-10  Richard Guenther  <rguenther@suse.de>
11590
11591         PR middle-end/39127
11592         * gimplify.c (gimple_regimplify_operands): Always look if
11593         we need to create a temporary.
11594
11595 2009-02-10  Richard Guenther  <rguenther@suse.de>
11596
11597         PR tree-optimization/39132
11598         * tree-loop-distribution.c (todo): New global var.
11599         (generate_memset_zero): Trigger TODO_rebuild_alias.
11600         (tree_loop_distribution): Return todo.
11601
11602 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
11603
11604         PR target/39119
11605         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
11606         (x86_64_reg_class_name): Removed.
11607         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
11608         first one isn't X86_64_SSE_CLASS or any other ones aren't
11609         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
11610         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
11611         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
11612         and 3 X86_64_SSEUP_CLASS.
11613         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
11614         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
11615
11616 2009-02-10  Ben Elliston  <bje@au.ibm.com>
11617
11618         * config/rs6000/rs6000.md (allocate_stack): Always use an update
11619         form instruction to update the stack back chain word, even if the
11620         user has disabled the generation of update instructions.
11621         (movdi_<mode>_update_stack): New.
11622         (movsi_update_stack): Likewise.
11623         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
11624         always use an update form instruction to update the stack back
11625         chain word.
11626
11627 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
11628
11629         PR middle-end/38953
11630         * graphite.c (if_region_set_false_region): After moving a region in
11631         the false branch of a condition, remove the empty dummy basic block.
11632         (gloog): Remove wrong fix for PR38953.
11633
11634 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11635
11636         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
11637         generation due to implicit sign extension.
11638
11639 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
11640
11641         PR middle-end/38981
11642         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
11643         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
11644
11645 2009-02-09  Richard Guenther  <rguenther@suse.de>
11646
11647         PR middle-end/35202
11648         * convert.c (convert_to_real): Disable (float)fn((double)x)
11649         to fnf(x) conversion if errno differences may occur and
11650         -fmath-errno is set.
11651
11652 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
11653
11654         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
11655         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11656         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11657
11658 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11659
11660         PR c/35434
11661         * c-common.c (handle_alias_attribute): Disallow attribute for
11662         anything not a FUNCTION_DECL or VAR_DECL.
11663
11664 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
11665
11666         PR c/39035
11667         * real.c (do_compare): Special-case compare of zero against
11668         decimal float value.
11669
11670 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11671
11672         PR c/36432
11673         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
11674         as indicating flexible array members unless the field itself is
11675         being declarared as the incomplete array.
11676
11677 2009-02-06  Jan Hubicka  <jh@suse.cz>
11678
11679         PR tree-optimization/38844
11680         * ipa-inline.c (try_inline): Stop inlining recursion when edge
11681         is already inlined.
11682
11683 2009-02-06  Richard Guenther  <rguenther@suse.de>
11684
11685         PR middle-end/38977
11686         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
11687         fork because we may expand it as __gcov_fork.
11688
11689 2009-02-06  Nick Clifton  <nickc@redhat.com>
11690
11691         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
11692
11693 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
11694
11695         PR tree-optimization/35659
11696         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
11697         vn_phi_eq): Shortcut if hashcode does not match.
11698         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
11699         NULL operands.
11700         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
11701         and avoid iterative_hash_expr.
11702         (FOR_EACH_VALUE_ID_IN_SET): New.
11703         (value_id_compare): Remove.
11704         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
11705         sort expressions by value id.
11706
11707 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
11708
11709         PR target/38991
11710         * config/sh/predicates.md (general_movsrc_operand): Don't check
11711         the subreg of system registers here.
11712
11713 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
11714
11715         PR c++/39106
11716         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
11717         on the copied decl.
11718
11719 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
11720
11721         PR rtl-optimization/39110
11722         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
11723         addresses, not aligned ones.
11724
11725 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
11726             Richard Guenther  <rguenther@suse.de>
11727
11728         PR tree-optimization/39100
11729         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
11730         comment says and add edges.
11731
11732 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
11733
11734         PR c/35435
11735         * c-common.c (handle_tls_model_attribute): Ignore attribute for
11736         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
11737
11738 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
11739
11740         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
11741         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
11742         register_bb_in_sese, new_sese, free_sese): Moved.
11743         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
11744         outermost_loop_in_scop, build_scop_iteration_domain,
11745         expand_scalar_variables_ssa_name, get_vdef_before_scop,
11746         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
11747         Use loop_in_sese_p instead of loop_in_scop_p.
11748         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
11749         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
11750         (scopdet_basic_block_info): Fix bug in scop detection.
11751         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
11752         eq_loop_to_cloog_loop): Remove.
11753         (nb_loops_around_loop_in_scop, nb_loop
11754         ref_nb_loops): Moved here...
11755         * graphite.h (ref_nb_loops): ... from here.
11756         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11757         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11758         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11759         * testsuite/gcc.dg/graphite/scop-19.c: New
11760
11761 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11762             Hans-Peter Nilsson  <hp@axis.com>
11763
11764         PR rtl-optimization/37889
11765         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11766         Move offset handling from PLUS to before the switch.  Use new
11767         arguments when considering SYMBOL_REFs too.
11768         (rtx_addr_can_trap_p): Pass dummy offset and size.
11769         (enum may_trap_p_flags): Remove.
11770         (may_trap_p_1): Pass size from MEM_SIZE.
11771
11772         PR rtl-optimization/38921
11773         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11774         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11775         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11776         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11777
11778 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11779
11780         AVX Programming Reference (January, 2009)
11781         * config/i386/sse.md (*vpclmulqdq): New.
11782
11783 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11784
11785         PR tree-optimization/38977
11786         PR gcov-profile/38292
11787         * calls.c (special_function_p): Disregard __builtin_ prefix.
11788
11789 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11790
11791         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11792         non-indexable addresses even before reload.
11793
11794 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11795
11796         PR c/29129
11797         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11798         as having variable size.  Do not give an error for unnamed
11799         parameters with [*] declarators.  Give a warning for type names
11800         with [*] declarators and mark them as variable size.
11801         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11802         for sizeof applied to [*] type names.
11803
11804 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11805
11806         PR C++/36607
11807         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11808
11809 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11810
11811         * gcc.c (process_command): Update copyright notice dates.
11812         * gcov.c (print_version): Likewise.
11813         * gcov-dump.c (print_version): Likewise.
11814         * mips-tfile.c (main): Likewise.
11815         * mips-tdump.c (main): Likewise.
11816
11817 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11818
11819         PR c/35433
11820         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11821         for composite type involving a zero-length array type.
11822
11823 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11824
11825         PR target/35318
11826         * function.c (match_asm_constraints_1): Skip over
11827         initial optional % in the constraint.
11828
11829         PR inline-asm/39059
11830         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11831         supported, don't accept FIXED_CSTs.
11832         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11833         and _Sat is used without _Fract/_Accum.  Set specs->type to
11834         integer_type_node for cts_fract/cts_accum if fixed point is not
11835         supported.
11836
11837 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11838
11839         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11840
11841 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11842
11843         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11844         (ABI_HAS_64BIT_SYMBOLS): Use it.
11845         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11846
11847 2009-02-02  Paul Brook  <paul@codesourcery.com>
11848
11849         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11850
11851 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11852
11853         PR inline-asm/39058
11854         * recog.h (asm_operand_ok): Add constraints argument.
11855         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11856         recurse on matching constraint.
11857         (check_asm_operands): Pass constraints as 3rd argument to
11858         asm_operand_ok.  Don't look up matching constraint here.
11859         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11860         to asm_operand_ok.
11861
11862 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11863
11864         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11865         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11866
11867 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11868
11869         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11870         information.  Remove some obsolete information.  Reorganize.
11871
11872         * config/pa/fptr.c: Revert license to GPL 2.
11873         * config/pa/milli64.S: Likewise.
11874
11875 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11876
11877         PR target/38904
11878         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11879         LIBRARY name in, instead of hard-coding it.
11880         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11881         extra target make frag to tmake_files according to EH model.
11882         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11883         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11884         frags that define makefile variable EH_MODEL appropriately.
11885         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11886         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11887         to "-sjlj" according to type of EH configured.
11888         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11889         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11890         to "_sjlj" according to type of EH configured.
11891         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11892         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11893         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11894         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11895         string value of "pe_dll" command-line option.
11896         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11897         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11898         (SHLIB_IMPLIB):  Override t-cygming default.
11899         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11900         string value of "pe_dll" command-line option.
11901
11902 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11903
11904         PR target/38952
11905         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11906         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11907
11908 2009-01-31  Richard Guenther  <rguenther@suse.de>
11909
11910         PR tree-optimization/38937
11911         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11912         computing the transitive closure.
11913
11914 2009-01-30  Richard Guenther  <rguenther@suse.de>
11915
11916         PR tree-optimization/39041
11917         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11918         Propagate variable indices only if the types match for this stmt.
11919
11920 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11921
11922         PR target/39013
11923         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11924         inline but never defined.
11925
11926 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11927
11928         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11929         (*insv_h_di_reg_extimm): New insn.
11930         (*insv_l<mode>_reg_extimm): New insn.
11931
11932 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11933
11934         * config/picochip/picochip.c (flag_conserve_stack): set
11935         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11936         fconserve-stack. Reduce call-overhead used by inliner.
11937
11938 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11939
11940         PR/38157
11941         * common.opt (flag_conserve_stack): Initialised to zero.
11942
11943 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11944
11945         PR/39002
11946         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11947         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11948         method.
11949
11950 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11951
11952         * ira-color.c (allocno_reload_assign): Update comments.
11953         * regmove.c (regmove_optimize): Likewise.
11954
11955         * ra.h: Removed.
11956
11957 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11958
11959         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11960         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11961         `MD_UNWIND_SUPPORT'.
11962         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11963
11964 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11965
11966         PR tree-optimization/39007
11967         * tree-loop-distribution.c (generate_builtin): Use
11968         recompute_dominator to compute the immediate dominator of the
11969         basic block just after the loop.
11970
11971 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11972
11973         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11974         (ASM_OUTPUT_DWARF_PCREL): Define.
11975
11976 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11977
11978         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11979         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11980         global.  Modify entries about regmove and IRA.
11981
11982         * ra-conflict.c: Remove the file.
11983
11984         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11985
11986         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
11987         (pass_regclass_init): Rename to pass_reginfo_init.
11988
11989         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
11990
11991         * toplev.h (flag_ira): Remove.
11992
11993         * caller-save.c (setup_save_areas): Remove flag_ira.
11994
11995         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
11996
11997         * global.c: Remove the file.
11998
11999         * opts.c (decode_options): Remove flag_ira.
12000
12001         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
12002
12003         * regmove.c: Modify file description.
12004         (find_use_as_address, try_auto_increment): Define them only if
12005         AUTO_INC_DEC is defined.
12006         (replacement_quality, replace_in_call_usage, fixup_match_1,
12007         stable_and_no_regs_but_for_p): Remove.
12008         (reg_set_in_bb): Make it static.
12009         (regmove_optimize): Remove flag_ira and code which worked for
12010         !flag_ira.
12011
12012         * local-alloc.c: Remove the file.
12013
12014         * common.opt (fira): Remove.
12015
12016         * ira.c: Include except.h.
12017         (eliminable_regset): Move from global.c.
12018         (mark_elimination): Ditto.  Remove flag_ira.
12019         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
12020         equiv_mem_modified, validate_equiv_mem_from_store,
12021         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
12022         contains_replace_regs, memref_referenced_p, memref_used_between_p,
12023         no_equiv, recorded_label_ref): Move from local-alloc.c.
12024         (update_equiv_regs): Ditto.  Make it static.
12025         (print_insn_chain, print_insn_chains): Move it from global.c.
12026         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
12027         (build_insn_chain): Ditto.  Make it static.
12028         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
12029         Rename to init_live_subregs.
12030         (gate_ira): Remove flag_ira.
12031
12032         * regclass.c: Rename reginfo.c.  Change file description.
12033         (FORBIDDEN_INC_DEC_CLASSES): Remove.
12034         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
12035         (init_reg_sets_1): Remove code for evaluation of
12036         reg_class_superclasses and losing_caller_save_reg_set.
12037         (init_regs): Remove init_reg_autoinc.
12038         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
12039         ok_for_base_p_nonstrict): Remove.
12040         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
12041         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
12042         corresponding entries.
12043         (dump_regclass, record_operand_costs, scan_one_insn,
12044         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
12045         record_address_regs, auto_inc_dec_reg_p): Remove.
12046         (gt-regclass.h): Rename to gt-reginfo.h.
12047
12048         * rtl.h (dump_global_regs, retry_global_alloc,
12049         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
12050
12051         * Makefile.in (RA_H): Remove.
12052         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
12053         Rename regclass.o to reginfo.o.
12054         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
12055         gt-reginfo.h.
12056         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
12057         (GTFILES): Rename regclass.c to reginfo.c.
12058
12059         * passes.c (init_optimization_passes): Remove pass_local_alloc and
12060         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
12061
12062         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12063         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
12064         Remove flag_ira.
12065         (finish_spills): Ditto.  Remove code for !flag_ira.
12066
12067 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
12068
12069         PR middle-end/35854
12070         * doc/invoke.texi (rtl debug options): Complete rewrite.
12071         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
12072         to auto_inc_dec".
12073         * mode-switching.c (pass_mode_switching): Rename pass from
12074         "mode-sw" to "mode_sw".
12075         * except.c (pass_convert_to_eh_ranges): Rename pass from
12076         "eh-ranges" to "eh_ranges".
12077         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
12078         to "subreg1".
12079
12080
12081 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
12082             Alexander Monakov  <amonakov@ispras.ru>
12083
12084         PR middle-end/38857
12085         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
12086         register.
12087         (move_exprs_to_boundary): Change return type and pass through
12088         should_move from move_op.  Relax assert.  Update usage ...
12089         (schedule_expr_on_boundary): ... here.  Use should_move instead of
12090         cant_move.
12091         (move_op_orig_expr_found): Indicate that insn was disconnected from
12092         stream.
12093         (code_motion_process_successors): Do not call after_merge_succs
12094         callback if original expression was not found when traversing any of
12095         the branches.
12096         (code_motion_path_driver): Change return type.  Update prototype.
12097         (move_op): Update comment.  Add a new parameter (should_move).  Update
12098         prototype.  Set *should_move based on indication provided by
12099         move_op_orig_expr_found.
12100
12101 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
12102
12103         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
12104         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
12105         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
12106         * config/rs6000/rs6000.c (rs6000_override_options): Default
12107         avoid-indexed-addresses on for Power6, off for everything else.
12108         (avoiding_indexed_address_p): New function.
12109         (rs6000_legitimize_address): Use it.
12110         (rs6000_legitimate_address): Likewise.
12111         * config/rs6000/rs6000.md (movXX_updateX): Likewise
12112
12113 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
12114
12115         PR tree-optimization/38997
12116         * tree-loop-distribution.c (generate_memset_zero): Use
12117         POINTER_PLUS_EXPR for a pointer addition.
12118
12119 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
12120
12121         * config/s390/s390.md (bswap<mode>2): New pattern added.
12122
12123 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12124
12125         * config/s390/s390.md (*tls_load_31): Added type attribute.
12126
12127 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12128
12129         * config/s390/s390.md: Fix a few comments.
12130
12131 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12132
12133         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
12134         (*tm<mode>_full): Fixed z10prop attribute.
12135         (*tst<mode>_extimm): Fixed z10prop attribute.
12136         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
12137         (*tstqiCCT_cconly): Fixed z10prop attribute.
12138         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
12139         (*movsi_larl): Fixed z10prop attribute.
12140         (*movsi_zarch): Fixed z10prop attribute.
12141         (*movsi_eas): Fixed z10prop attribute.
12142         (*movhi): Fixed z10prop attribute.
12143         (*movqi): Fixed z10prop attribute.
12144         (*movstrictqi): Fixed z10prop attribute.
12145         (*mov<mode>): Fixed z10prop attribute.
12146         (*movcc): Fixed z10prop attribute.
12147         (*sethighpartdi_64): Fixed z10prop attribute.
12148         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
12149         (*negdi2_sign_cc): Fixed z10prop attribute.
12150         (*negdi2_sign): Fixed z10prop attribute.
12151         (*absdi2_sign_cc): Fixed z10prop attribute.
12152         (*absdi2_sign): Fixed z10prop attribute.
12153         (*negabsdi2_sign_cc): Fixed z10prop attribute.
12154         (*negabsdi2_sign): Fixed z10prop attribute.
12155         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
12156         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
12157         (doloop_si64): Fixed z10prop attribute.
12158         (doloop_si31): Fixed z10prop attribute.
12159         (doloop_long): Fixed z10prop attribute.
12160         (indirect_jump): Fixed z10prop attribute.
12161         (nop): Fixed z10prop attribute.
12162         (main_base_64): Fixed z10prop attribute.
12163         (reload_base_64): Fixed z10prop attribute.
12164
12165 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12166
12167         PR rtl-optimization/38740
12168         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
12169         if !optimize.
12170         * config/mips/mips.c (mips_reorg): Likewise.
12171
12172 2009-01-28  Richard Guenther  <rguenther@suse.de>
12173
12174         PR tree-optimization/38926
12175         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
12176         with the correct value id to a value.
12177         (do_regular_insertion): Use the value number of edoubleprime
12178         for the value number of the expr.
12179
12180         Revert
12181         2008-08-21  Richard Guenther  <rguenther@suse.de>
12182
12183         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
12184         a PHI ask VN if it is already available.
12185         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
12186         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
12187
12188 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12189
12190         PR middle-end/38934
12191         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
12192         set to varying whenever max has TREE_OVERFLOW set, similarly
12193         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
12194
12195 2009-01-28  Richard Guenther  <rguenther@suse.de>
12196
12197         PR middle-end/38908
12198         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
12199         uninitialized aggregate uses in call arguments.
12200
12201 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
12202
12203         PR tree-optimization/38984
12204         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
12205         the nothing_id variable if -fno-delete-null-pointer-checks.
12206
12207 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
12208
12209         PR target/38988
12210         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
12211         (set_got_offset_rex64): Ditto.
12212
12213 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
12214
12215         PR target/38941
12216         * doc/extend.texi: Improve local variable with asm reg.
12217
12218 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
12219
12220         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
12221         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
12222         was not supplied then set warn_packed_bitfield_compat to the
12223         default value of 1.
12224         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
12225         against 1.
12226
12227 2009-01-27  Richard Guenther  <rguenther@suse.de>
12228
12229         PR tree-optimization/38503
12230         * cfgexpand.c (expand_gimple_basic_block): Ignore
12231         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
12232         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
12233         variables that cannot have TBAA applied.
12234         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
12235         statements.
12236
12237 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
12238
12239         PR middle-end/38969
12240         * calls.c (initialize_argument_information): Do not wrap complex
12241         arguments in SAVE_EXPR.
12242
12243 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
12244
12245         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
12246         (INSTALL_LIBGCC): Revert typo commit.
12247
12248 2009-01-26  Richard Guenther  <rguenther@suse.de>
12249
12250         PR tree-optimization/38745
12251         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
12252         from special handling.
12253
12254 2009-01-26  Richard Guenther  <rguenther@suse.de>
12255
12256         PR tree-optimization/38745
12257         * tree-ssa.c (execute_update_addresses_taken): Do not include
12258         variables that cannot possibly be a register in not_reg_needs.
12259         Do not clear TREE_ADDRESSABLE on vars that may not become
12260         registers.
12261         * tree-ssa.c (update_alias_info_1): Include those in the set
12262         of addressable vars.
12263
12264 2009-01-26  Richard Guenther  <rguenther@suse.de>
12265
12266         PR middle-end/38851
12267         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
12268         * tree-ssa-dse.c: Include langhooks.h
12269         (execute_simple_dse): Remove stores with zero size.
12270
12271 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
12272
12273         PR c/38957
12274         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
12275         as PLUS_EXPR.
12276
12277 2009-01-24  Julian Brown  <julian@codesourcery.com>
12278
12279         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
12280         config/arm/linux-atomic.c.
12281         * config/arm/linux-atomic.c: New.
12282
12283 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
12284
12285         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
12286         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
12287         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
12288
12289 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12290
12291         PR c/38938
12292         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
12293         properly.
12294
12295 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
12296
12297         PR tree-optimization/38953
12298         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
12299         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
12300         (gloog): Split the exit of the scop when the scop exit is a loop exit.
12301         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
12302         changed the CFG.
12303
12304 2009-01-24  Paul Brook  <paul@codesourcery.com>
12305
12306         * config/arm/neon.md (neon_type): Move to arm.md.
12307         (neon_mov<VSTRUCT>): Add neon_type attribute.
12308         * config/arm/arm.md (neon_type): Move to here.
12309         (conds): Add "unconditioal" and use as default for NEON insns.
12310
12311 2009-01-24  Ben Elliston  <bje@au.ibm.com>
12312
12313         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
12314         void *' warning from -Wc++-compat.
12315         * Makefile.in (dominance.o-warn): Remove.
12316
12317 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
12318
12319         PR tree-optimization/38932
12320         * fold-const.c (fold_unary_ignore_overflow): New.
12321         * tree.h (fold_unary_ignore_overflow): Declare.
12322         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
12323         * tree-ssa-sccvn.c (visit_reference_op_load,
12324         simplify_unary_expression): Likewise.
12325
12326 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
12327
12328         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
12329         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
12330         regardless of their type.
12331         * c-common.c (handle_packed_attribute): Don't ignore packed on
12332         bitfields.
12333         * c.opt (Wpacked-bitfield-compat): New warning option.
12334         * stor-layout.c (place_field): Warn if offset of a field changed.
12335         * doc/extend.texi (packed): Mention the ABI change.
12336         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
12337         (Warning Options): Add it to the list.
12338
12339 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12340
12341         * c-opts.c (c_common_post_options): Fix a typo in comments.
12342
12343 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
12344
12345         PR middle-end/38615
12346         * gimplify.c (gimplify_init_constructor): Fix promotion of const
12347         variables to static.
12348         * doc/invoke.texi (-fmerge-all-constants): Update description.
12349
12350 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
12351
12352         PR target/38931
12353         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
12354         (*movdi_1_rex64): Use type "mmx" for alternative 5.
12355
12356 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
12357
12358         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
12359         a word boundary.
12360         (LOCAL_ALIGNMENT): Similarly.
12361
12362 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12363             Joseph Myers  <joseph@codesourcery.com>
12364
12365         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
12366         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
12367         * config/arm/arm-tune.md: Regenerate.
12368         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
12369         -march=iwmmxt2.
12370
12371 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12372
12373         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
12374         version number to five.
12375
12376 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
12377
12378         PR c++/38930
12379         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
12380         * c-common.c (set_underlying_type): Likewise.
12381         (is_typedef_decl ): Likewise
12382         * tree.h: Likewise
12383         (set_underlying_type): Likewise.
12384         (is_typedef_type): Likewise.
12385
12386 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
12387
12388         PR middle-end/38587
12389         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
12390         crossing setjmps.
12391
12392 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
12393
12394         PR bootstrap/37660
12395         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
12396         (LIBGCC_SPEC):  Don't define.
12397         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
12398
12399 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
12400
12401         PR rtl-optimization/38879
12402         * alias.c (base_alias_check): Unaligned access via AND address can
12403         alias all surrounding object types except those with sizes equal
12404         or wider than the size of unaligned access.
12405
12406 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
12407
12408         PR c++/26693
12409         * c-decl.c (clone_underlying_type): Move this ...
12410         * c-common.c (set_underlying_type): ... here.
12411         Also, make sure the function properly sets TYPE_STUB_DECL() on
12412         the newly created typedef variant type.
12413         (is_typedef_decl ): New entry point.
12414         * tree.h: Added a new member member_types_needing_access_check to
12415         struct tree_decl_non_common.
12416         (set_underlying_type): New entry point.
12417         (is_typedef_type): Likewise.
12418
12419 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
12420
12421         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
12422         Check whether two instructions have memory references that
12423         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
12424         are helper functions for traversing.
12425         * alias.h (insn_alias_sets_confilict_p): New prototypes.
12426         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
12427         not to draw dependency edge for instructions with non-conflicting
12428         alias sets.
12429
12430 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
12431
12432         PR other/38758
12433         * longlong.h: Update copyright years.  Use soft-fp license notice.
12434         Sync __clz_tab declaration with glibc.
12435
12436 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
12437
12438         PR target/30687
12439         * doc/extend.texi (syscall_linkage): New.
12440         (version_id): Modify.
12441
12442 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12443             Richard Guenther  <rguenther@suse.de>
12444
12445         PR tree-optimization/38747
12446         PR tree-optimization/38748
12447         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
12448         conversion if the base address is an indirect reference and the
12449         aliasing sets could cause issues.
12450
12451 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12452
12453         * common.opt (fgraphite, fgraphite-identity): Add comment for
12454         explaining why these options are not documented.
12455
12456 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12457
12458         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
12459         gimple_call_lhs is NULL.
12460
12461 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
12462
12463         PR target/38868
12464         * emit-rtl.c (adjust_address_1): Make sure memref is never
12465         overwritten.
12466
12467 2009-01-20  Ben Elliston  <bje@au.ibm.com>
12468
12469         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12470         const qualifier from arg parameter. Remove unnecessary cast to char *.
12471         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12472         const qualifier from arg 2.
12473
12474 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
12475
12476         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
12477
12478 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12479
12480         PR c/38869
12481         * rtl.h (reinit_regs): New prototype.
12482         * regclass.c: Include ira.h.
12483         (reinit_regs): New.
12484         * Makefile.in (regclass.o): Add ira.h.
12485         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
12486
12487 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
12488
12489         PR target/38736
12490         * c-common.c (handle_aligned_attribute): Use
12491         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
12492         default alignment value.
12493
12494         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
12495
12496         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
12497         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
12498
12499         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
12500         __BIGGEST_ALIGNMENT__.
12501
12502         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
12503
12504 2009-01-18  Richard Guenther  <rguenther@suse.de>
12505
12506         PR tree-optimization/38819
12507         * tree-flow.h (operation_could_trap_helper_p): Declare.
12508         * tree-eh.c (operation_could_trap_helper_p): Export.
12509         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
12510         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
12511         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
12512         are about to insert a possibly trapping instruction and fail
12513         in this case.
12514
12515 2009-01-18  Andreas Schwab  <schwab@suse.de>
12516
12517         * doc/install.texi (Configuration): Remove obsolete paragraph
12518         about use of --with-gnu-ld with --with-gnu-as.
12519
12520 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
12521
12522         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
12523         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
12524         Follow spelling conventions.
12525
12526 2009-01-18  Ben Elliston  <bje@au.ibm.com>
12527
12528         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
12529         C++ warning about implicit conversion from void * to struct
12530         bitmap_head_def *.
12531         (bitmap_obstack_free): Likewise for bitmap_element *.
12532         * Makefile.in (bitmap.o-warn): Remove.
12533
12534 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
12535
12536         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
12537
12538 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
12539             Tobias Grosser  <tobi.grosser@amd.com>
12540
12541         * graphite.c (graphite_trans_scop_block): Do not block single
12542         nested loops.
12543
12544 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
12545
12546         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
12547         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
12548         test with assertion.
12549
12550 2009-01-16  Richard Guenther  <rguenther@suse.de>
12551
12552         PR tree-optimization/38835
12553         PR middle-end/36227
12554         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
12555         and INT + PTR -> (INT)(PTR p+ INT) folding.
12556         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
12557
12558 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
12559
12560         PR target/38554
12561         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
12562         the subreg from a lowpart subreg if it is also casting the value.
12563
12564 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12565             Tobias Grosser  <tobi.grosser@amd.com>
12566
12567         * graphite.c (compare_prefix_loops): New.
12568         (build_scop_canonical_schedules): Rewritten.
12569         (graphite_transform_loops): Move build_scop_canonical_schedules
12570         after build_scop_iteration_domain.
12571
12572 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12573             Tobias Grosser  <tobi.grosser@amd.com>
12574
12575         * graphite.c (add_conditions_to_domain): Add the loops to
12576         the dimension of the iteration domain.  Do copy the domain
12577         only when it exists.
12578         (build_scop_conditions_1): Do not call add_conditions_to_domain.
12579         (add_conditions_to_constraints): New.
12580         (can_generate_code_stmt, can_generate_code): Removed.
12581         (gloog): Do not call can_generate_code.
12582         (graphite_transform_loops): Call add_conditions_to_constraints
12583         after building the iteration domain.
12584
12585 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
12586
12587         PR tree-optimization/38789
12588         * tree-ssa-threadedge.c
12589         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12590         __builtin_constant_p.
12591
12592 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
12593
12594         * dce.c (delete_unmarked_insns): Reversed the order that insns are
12595         examined before deleting them.
12596
12597 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
12598
12599         * function.c (aggregate_value_p): Correctly extract the function
12600         type from CALL_EXPR_FN lookup.
12601
12602 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12603
12604         * config/picochip/picochip.c (picochip_override_options): Revert
12605         CFI asm flag disable commited previously.
12606
12607 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12608             Tobias Grosser  <tobi.grosser@amd.com>
12609             Jan Sjodin  <jan.sjodin@amd.com>
12610
12611         * graphite.c (scan_tree_for_params): On substractions negate
12612         all the coefficients of the term.
12613         (clast_to_gcc_expression_red): New.  Handle reduction expressions
12614         of more than two operands.
12615         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
12616         (get_vdef_before_scop): Handle also the case of default definitions.
12617
12618 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12619
12620         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
12621         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
12622         Also use them when walking CALL_INSN_FUNCTION_USAGE.
12623
12624 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
12625             Joey Ye  <joey.ye@intel.com>
12626
12627         PR middle-end/37843
12628         * cfgexpand.c (expand_stack_alignment): Don't update stack
12629         boundary nor check incoming stack boundary here.
12630         (gimple_expand_cfg): Update stack boundary and check incoming
12631         stack boundary here.
12632
12633 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
12634
12635         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
12636
12637 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
12638
12639         PR rtl-optimization/38245
12640         * calls.c (expand_call): Add stack arguments to
12641         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12642         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
12643         in regs and partially in memory or BLKmode arguments.
12644         (emit_library_call_value_1): Add stack arguments to
12645         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12646         ACCUMULATE_OUTGOING_ARGS).
12647         * dce.c: Include tm_p.h.
12648         (find_call_stack_args): New function.
12649         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
12650         argument.
12651         (mark_insn): Call find_call_stack_args for CALL_Ps.
12652         (prescan_insns_for_dce): Walk insns backwards in bb rather than
12653         forwards.  Allocate and free arg_stores bitmap if needed, pass it
12654         down to deletable_insn_p, don't mark stores set in arg_stores
12655         bitmap, clear the bitmap at the beginning of each bb.
12656         * Makefile.in (dce.o): Depend on $(TM_P_H).
12657
12658 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
12659
12660         PR target/22599
12661         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
12662         to make sure the insn is a conditional test (bug 22599).  Reformat a
12663         few long lines.
12664
12665 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
12666
12667         PR middle-end/38431
12668         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
12669         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
12670         (gloog): Do not call cleanup_tree_cfg.
12671         (graphite_transform_loops): Call cleanup_tree_cfg after all
12672         scops have been code generated.
12673
12674 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
12675         * doc/gty.texi (Invoking the garbage collector): Added new node
12676         and section documenting ggc_collect.
12677
12678 2009-01-14  Richard Guenther  <rguenther@suse.de>
12679
12680         PR tree-optimization/38826
12681         PR middle-end/38477
12682         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
12683         initialization notes only if we actually emitted a warning.
12684         (intra_create_variable_infos): Add constraints for a result decl
12685         that is passed by hidden reference.
12686         (build_pred_graph): Mark all related variables non-direct on
12687         address-taking.
12688
12689 2009-01-14  Nick Clifton  <nickc@redhat.com>
12690
12691         * ira-conflicts.c: Include addresses.h for the definition of
12692         base_reg_class.
12693         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
12694         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
12695
12696 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
12697
12698         PR target/38811
12699         * Makefile.in (ira-lives.o): Add except.h.
12700
12701         * ira-lives.c: Include except.h.
12702         (process_bb_node_lives): Process can_throw_internal.
12703
12704 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
12705
12706         PR rtl-optimization/38774
12707         * combine.c (simplify_set): When undoing cc_use change, don't do
12708         PUT_CODE on the newly created comparison, but instead put back the
12709         old comparison.
12710
12711 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
12712
12713         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
12714         values.  Remove duplicate arm8 entry.
12715
12716 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12717
12718         PR tree-optimization/38786
12719         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
12720         the SSA_NAME case of expand_scalar_variables_expr.
12721         Set the type of an expression to the type of its assign statement.
12722         (expand_scalar_variables_expr): Also gather the scalar computation
12723         used to index the memory access.  Do not pass loop_p.
12724         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
12725         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
12726         the gimple_stmt_iterator where it inserts new code.
12727         Do not pass loop_p.
12728         (copy_bb_and_scalar_dependences): Do not pass loop_p.
12729         (translate_clast): Update call to copy_bb_and_scalar_dependences.
12730
12731 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12732
12733         * graphite.h (debug_value): Removed.
12734         * graphite.c (debug_value): Removed.
12735
12736 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12737
12738         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
12739         ldrd/strd with two 32-bit instructions.
12740
12741 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12742
12743         * config/arm/arm.c (struct processors): Pass for speed down into
12744         cost helper functions.
12745         (const_ok_for_op): Handle COMPARE and inequality nodes.
12746         (arm_rtx_costs_1): Rewrite.
12747         (arm_size_rtx_costs): Update prototype.
12748         (arm_rtx_costs): Pass speed down to helper functions.
12749         (arm_slowmul_rtx_costs): Rework cost calculations.
12750         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
12751         (arm_9e_rtx_costs): Likewise.
12752
12753 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
12754
12755         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12756         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12757         (alpha_legitimize_address): Do not split local symbols wider than
12758         UNITS_PER_WORD into HIGH/LO_SUM parts.
12759
12760 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12761
12762         PR bootstrap/38580
12763         * gcc.c (process_command): Replace call to execvp with calls
12764         to pex_one and exit.
12765
12766 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12767
12768         PR target/29141
12769         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12770         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12771         variant for devices with 3-byte PC.
12772         (__tablejump_elpm__): New.
12773
12774 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12775
12776         PR c/32041
12777         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12778         offsetof member-designator, handle it as `[0].'.
12779
12780 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12781
12782         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12783         function when not using named sections on targets with named sections
12784         if branch distance is less than 262132.
12785
12786 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12787
12788         * combine.c (combine_instructions):  Recompute
12789         optimize_this_for_speed_p  for each BB in the main combine loop.
12790
12791 2009-01-12  Tomas Bily  <tbily@suse.cz>
12792
12793         PR middlend/38385
12794         * tree-loop-distribution.c (prop_phis): New function.
12795         (generate_builtin): Call prop_phis.
12796         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12797
12798 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12799
12800         PR tree-optimization/38807
12801         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12802         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12803
12804 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12805
12806         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12807         subreg of op0 to the original op0.
12808
12809 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12810
12811         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12812
12813 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12814
12815         PR debug/7055
12816         * mips-tfile.c (parse_def): Fix parsing of def strings
12817         starting with digits.
12818
12819 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12820
12821         PR target/38695
12822         * config/arm/arm.c (arm_is_long_call_p): Don't call
12823         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12824
12825 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12826
12827         * regrename.c (regrename_optimize): Fix dumping.
12828         (find_oldest_value_reg): Preserve REG_POINTER.
12829         (copy_hardreg_forward_1): Likewise.
12830
12831 2009-01-09  Diego Novillo  <dnovillo@google.com>
12832
12833         * gimple.h (struct gimple_statement_base) <uid>: Document
12834         the restrictions on its use.
12835         (gimple_uid): Tidy.
12836         (gimple_set_uid): Tidy.
12837
12838 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12839
12840         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12841         zero guard even if align_bytes != 0 and count is smaller than
12842         size_needed.
12843
12844 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12845
12846         PR rtl-optimization/38495
12847         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12848         (add_range_and_copies_from_move_list): Print all added ranges.
12849         Add ranges to memory optimized destination.
12850
12851 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12852
12853         PR target/38686
12854         PR target/38708
12855         * config/i386/i386.c (override_options): Reject
12856         -mstringop-strategy=rep_8byte with -m32.
12857         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12858         to 1.  Do count comparison against epilogue_size_needed at compile
12859         time even when count_exp was constant forced into register.  For
12860         size_needed don't jump to epilogue, instead just avoid aligning
12861         and invoke the body algorithm.  If need_zero_guard, add zero guard
12862         even if count is non-zero, but smaller than size_needed + number of
12863         bytes that could be stored for alignment.
12864         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12865         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12866         but smaller than size_needed + number of bytes that could be stored
12867         for alignment.  Compare size_needed with epilogue_size_needed instead
12868         of desired_align - align, don't adjust size_needed, pass
12869         epilogue_size_needed to the epilogue expanders.
12870
12871         PR c/35742
12872         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12873
12874 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12875
12876         * pa.c (last_address): Change to unsigned.
12877         (update_total_code_bytes): Change argument to unsigned.  Don't
12878         check if insn addresses are set.
12879         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12880         addresses are not set.
12881         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12882
12883 2009-01-09  Nick Clifton  <nickc@redhat.com>
12884
12885         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12886         DECL_DECLARED_INLINE_P.
12887
12888 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12889
12890         PR middle-end/38347
12891         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12892         GET_MODE (op0) in operand_subword_force calls.
12893
12894         PR middle-end/38771
12895         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12896         fold_convert arg0 operands to TREE_TYPE (op0) first.
12897
12898 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12899
12900         * params.def (ira-max-conflict-table-size): Decrease default value
12901         to 1000.
12902
12903 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12904
12905         PR tree-optimization/37031
12906         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12907         on parameter_set.
12908         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12909         allocate it using gc instead of heap, use VEC_quick_push instead of
12910         VEC_safe_push.
12911         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12912         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12913         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12914         allocated vector from heap allocated.
12915         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12916         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12917         vector only after perfect_loop_nest_depth call.
12918
12919 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12920             Jan Sjodin  <jan.sjodin@amd.com>
12921
12922         PR tree-optimization/38559
12923         * graphite.c (debug_value, copy_constraint,
12924         swap_constraint_variables, scale_constraint_variable, ): New.
12925         (get_lower_bound, get_upper_bound): Removed.
12926         (graphite_trans_bb_strip_mine): Clean up this code that works
12927         only for constant number of iterations.  Fully copy upper and
12928         lower bound constraints, not only the constant part of them.
12929         * graphite.h (debug_value): Declared.
12930
12931 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12932
12933         PR tree-optimization/37194
12934         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12935         Don't add the cost of cost model guard in prologue to scalar
12936         outside cost in case of known number of iterations.
12937
12938 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12939             Alan Modra  <amodra@bigpond.net.au>
12940
12941         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12942         non-word-aligned REG+CONST addressing.
12943
12944 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12945
12946         PR target/38706
12947         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12948         free_after_compilation when outputting a thunk.
12949         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12950         Do not call free_after_compilation here.
12951
12952 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12953
12954         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12955         (ix86_valid_target_attribute_inner_p): Ditto.
12956
12957 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12958
12959         PR tree-optimization/38492
12960         PR tree-optimization/38498
12961         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12962         * tree-chrec.h (scev_is_linear_expression): Declared.
12963         * graphite.c (graphite_cannot_represent_loop_niter): New.
12964         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12965         (graphite_loop_normal_form): Use gcc_assert.
12966         (scan_tree_for_params): Use CASE_CONVERT.
12967         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12968         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12969         Use gcc_assert.  Discard scops that contain unhandled cases.
12970         (build_scop_conditions): Return a boolean status for unhandled cases.
12971         (strip_mine_profitable_p): Print the loop number, not its depth.
12972         (is_interchange_valid): Pass the depth of the loop nest, don't
12973         recompute it wrongly.
12974         (graphite_trans_bb_block): Same.
12975         (graphite_trans_bb_block): Print tentative of loop blocking.
12976         (graphite_trans_scop_block): Do not print that the loop has been
12977         blocked.
12978         (graphite_transform_loops): Do not handle scops that contain condition
12979         scalar phi nodes.
12980
12981 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12982
12983         AVX Programming Reference (December, 2008)
12984         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12985         (_mm256_stream_pd): Likewise.
12986         (_mm256_stream_ps): Likewise.
12987
12988         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
12989         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
12990         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
12991         (bdesc_special_args): Add __builtin_ia32_movntdq256,
12992         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
12993         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
12994         (ix86_expand_special_args_builtin): Likewise.
12995
12996         * config/i386/sse.md (AVXMODEDI): New.
12997         (avx_movnt<mode>): Likewise.
12998         (avx_movnt<mode>): Likewise.
12999         (<sse>_movnt<mode>): Remove AVX support.
13000         (sse2_movntv2di): Likewise.
13001
13002 2009-01-07  Richard Guenther  <rguenther@suse.de>
13003
13004         PR middle-end/38751
13005         * fold-const.c (extract_muldiv): Remove obsolete comment.
13006         (fold_plusminus_mult_expr): Undo MINUS_EXPR
13007         to PLUS_EXPR canonicalization for the canonicalization.
13008
13009 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
13010
13011         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
13012         hosted cross-compilers generating less efficient code.
13013
13014 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13015
13016         * function.h (rtl_data): Add a dbr_scheduled_p field.
13017         * reorg.c (dbr_schedule): Set it.
13018         (gate_handle_delay_slots): Check it.
13019         * config/mips/mips.c (mips_base_delayed_branch): Delete.
13020         (mips_reorg): Check flag_delayed_branch instead of
13021         mips_base_delayed_branch.
13022         (mips_override_options): Don't set mips_base_delayed_branch
13023         or flag_delayed_branch.
13024
13025 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13026
13027         PR rtl-optimization/38426.
13028         * ira.c (ira): Set current_function_is_leaf earlier.
13029
13030 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
13031
13032         PR rtl-optimization/38722
13033         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
13034         too early, only set a flag and modify after last possible
13035         undo_all point.
13036
13037 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
13038
13039         PR c/34252
13040         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
13041         * real.c (decimal_single_format): Correct values of emin and emax.
13042         (decimal_double_format): Ditto.
13043         (decimal_quad_format): Ditto.
13044         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
13045         computation of DECnn_MIN and DECnn_MAX for corrected values of
13046         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
13047         __DECnn_MIN__, and adjust its computation for the corrected value
13048         of emin.
13049
13050 2009-01-06  Jan Hubicka  <jh@suse.cz>
13051
13052         PR target/38744
13053         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
13054
13055 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
13056
13057         * doc/contrib.texi (Contributors): Slightly adjust the end note.
13058         Add Robert Clark to the list of testers.
13059
13060 2009-01-06  Jan Hubicka  <jh@suse.cz>
13061             Kai Tietz  <kai.tietz@onevision.com>
13062
13063         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
13064         * config/i386/i386.c (ix86_expand_call): Add clobbers.
13065
13066 2009-01-06  Jan Hubicka  <jh@suse.cz>
13067             Kai Tietz  <kai.tietz@onevision.com>
13068
13069         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
13070         for w64 ABI.
13071         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
13072         (ix86_nsaved_regs): Count only general purpose regs.
13073         (ix86_nsaved_sseregs): New.
13074         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
13075         to 16 for w64; compute padding and size of sse reg save area.
13076         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
13077         general purpose regs.
13078         (ix86_emit_save_sse_regs_using_mov): New.
13079         (ix86_expand_prologue): Save SSE regs if needed.
13080         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
13081         (ix86_emit_restore_sse_regs_using_mov): New.
13082         (ix86_expand_epilogue): Save SSE regs if needed.
13083
13084 2009-01-06  Jan Hubicka  <jh@suse.cz>
13085             Kai Tietz  <kai.tietz@onevision.com>
13086
13087         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
13088         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
13089         functions when accumulate outgoing args is off.
13090
13091 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13092
13093         PR bootstrap/38742
13094         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
13095         before using pseudos_have_intersected_live_ranges_p.
13096
13097         * ira-int.h (ira_assert): Always define.
13098
13099 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13100
13101         AVX Programming Reference (December, 2008)
13102         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
13103         (_mm256_permute2_pd): Likewise.
13104         (_mm_permute2_ps): Likewise.
13105         (_mm256_permute2_ps): Likewise.
13106         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
13107         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
13108
13109         * config/i386/i386.c (ix86_builtins): Remove
13110         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
13111         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
13112         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
13113         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
13114         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
13115         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
13116         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
13117         __builtin_ia32_vpermil2ps256.
13118         (ix86_init_mmx_sse_builtins): Updated.
13119         (ix86_expand_args_builtin): Likewise.
13120
13121 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13122
13123         * pa.c (output_call): Relocate non-jump insns in the delay slot of
13124         long absolute calls when generating PA 2.0 code.
13125
13126 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
13127
13128         PR rtl-optimization/38583
13129         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
13130
13131         * params.def (ira-max-conflict-table-size): New.
13132
13133         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
13134
13135         * ira.h (ira_conflicts_p): New external definition.
13136
13137         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
13138         table.  Report this.  Return result of building.
13139         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
13140         building conflict table.
13141
13142         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
13143         (ira_color): Use ira_conflicts_p.
13144
13145         * global.c: Include ira.h.
13146         (pseudo_for_reload_consideration_p, build_insn_chain): Use
13147         ira_conflicts_p.
13148
13149         * Makefile.in (global.o): Add ira.h.
13150
13151         * ira-build.c (mark_all_loops_for_removal,
13152         propagate_some_info_from_allocno): New.
13153         (remove_unnecessary_allocnos): Call
13154         propagate_some_info_from_allocno.
13155         (remove_low_level_allocnos): New.
13156         (remove_unnecessary_regions): Add parameter.  Call
13157         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
13158         parameter to remove_unnecessary_regions.
13159         (ira_build): Remove all regions but root if the conflict table was
13160         not built.  Update conflict hard regs for allocnos crossing calls.
13161
13162         * ira.c (ira_conflicts_p): New global.
13163         (ira): Define and use ira_conflicts_p.
13164
13165         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
13166         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
13167         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
13168
13169 2009-01-06  Ben Elliston  <bje@au.ibm.com>
13170
13171         * gengtype-lex.l (YY_NO_INPUT): Define.
13172
13173 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13174
13175         PR c/34911
13176         * c-common.c (handle_vector_size_attribute): Also reject
13177         BOOLEAN_TYPE types.
13178
13179 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
13180
13181         PR tree-optimization/38492
13182         * graphite.c (rename_map_elt, debug_rename_elt,
13183         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
13184         rename_map_elt_info, eq_rename_map_elts,
13185         get_new_name_from_old_name, bb_in_sese_p): Moved around.
13186         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
13187         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
13188         (sese_build_livein_liveouts): New.
13189         (new_sese, free_sese): New.
13190         (new_scop): Call new_sese.
13191         (free_scop): Call free_sese.
13192         (rename_variables_from_edge, rename_phis_end_scop): Removed.
13193         (register_old_new_names): Renamed register_old_and_new_names.
13194         (register_scop_liveout_renames, add_loop_exit_phis,
13195         insert_loop_close_phis, struct igp,
13196         default_liveout_before_guard, add_guard_exit_phis,
13197         insert_guard_phis, copy_renames): New.
13198         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
13199         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
13200         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
13201         (scop_adjust_phis_for_liveouts): New.
13202         (gloog): Call scop_adjust_phis_for_liveouts.
13203
13204         * graphite.h (struct sese): Documented.  Added fields liveout,
13205         num_ver and livein.
13206         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
13207         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
13208         (struct scop): Added field liveout_renames.
13209         (SCOP_LIVEOUT_RENAMES): New.
13210
13211 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13212
13213         PR tree-optimization/38510
13214         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
13215         (translate_clast): Call recompute_all_dominators before
13216         graphite_verify.
13217         (gloog): Call recompute_all_dominators before graphite_verify.
13218
13219 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13220             Jan Sjodin  <jan.sjodin@amd.com>
13221
13222         PR tree-optimization/38500
13223         * graphite.c (create_sese_edges): Call fix_loop_structure after
13224         splitting blocks.
13225
13226 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
13227
13228         * config.gcc: Add m32r*-*-rtems*.
13229         * config/m32r/rtems.h: New file.
13230
13231 2009-01-05  Ben Elliston  <bje@au.ibm.com>
13232
13233         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
13234         (.po.pox): Likewise.
13235         (po/gcc.pot): Likewise.
13236
13237 2009-01-04  David S. Miller  <davem@davemloft.net>
13238
13239         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
13240         (STARTING_FRAME_OFFSET): Always set to zero.
13241
13242 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13243
13244         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
13245         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
13246         fixed-point types, and vectors of the same.
13247
13248 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13249
13250         * config/mips/sync.md (*mb_barrier): Rename to...
13251         (*memory_barrier): ...this.
13252
13253 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
13254
13255         * doc/extend.texi (Function Attributes): Move @cindex after @item
13256         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
13257         and put in alphabetical order. Fix 'target' name and put in order.
13258         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
13259         typos.
13260
13261 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
13262
13263         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
13264         (memory_barrier): Expand as unspec instead of unspec_volatile.
13265         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13266         (*memory_barrier): Define as unspec instead of unspec_volatile.
13267         Use (match_dup 0) as input operand.
13268
13269         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
13270         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
13271         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
13272         scratch register.  Remove operand 1.
13273         (*stbar): Define as unspec instead of unspec_volatile.
13274         Use (match_dup 0) as input operand, remove (const_int 8).
13275         (*membar): Define as unspec instead of unspec_volatile.
13276         Use (match_dup 0) as input operand, remove input operand 2.
13277
13278         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
13279         (memory_barrier): Expand as unspec instead of unspec_volatile.
13280         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13281         (*memory_barrier): Define as unspec instead of unspec_volatile.
13282         Use (match_dup 0) as input operand.
13283
13284         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
13285         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13286         Set volatile flag on operand 0.
13287         (*memory_barrier): New insn pattern.
13288
13289         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
13290         insn operands.
13291         (*memory_barrier): Use (match_dup 0) as input operand.
13292
13293         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
13294         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13295         Set volatile flag on operand 0.
13296         (*mb_internal): New insn pattern.
13297
13298         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
13299
13300 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13301
13302         PR middle-end/38586
13303         * function.c (struct temp_slot): Move to the section of the file
13304         that deals with temp slots.  Remove field 'address'.
13305         (temp_slot_address_table): New hash table of address -> temp slot.
13306         (struct temp_slot_address_entry): New struct, items for the table.
13307         (temp_slot_address_compute_hash, temp_slot_address_hash,
13308         temp_slot_address_eq, insert_temp_slot_address): Support functions
13309         for the new table.
13310         (find_temp_slot_from_address): Rewrite to use the new hash table.
13311         (remove_unused_temp_slot_addresses): Remove addresses of temp
13312         slots that have been made available.
13313         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
13314         worker function for remove_unused_temp_slot_addresses.
13315         (assign_stack_temp_for_type): Don't clear the temp slot address list.
13316         Add the temp slot address to the address -> temp slot map.
13317         (update_temp_slot_address): Update via insert_temp_slot_address.
13318         (free_temp_slots): Call remove_unused_temp_slot_addresses.
13319         (pop_temp_slots): Likewise.
13320         (init_temp_slots): Allocate the address -> temp slot map, or empty
13321         the map if it is already allocated.
13322         (prepare_function_start): Initialize temp slot processing.
13323
13324 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13325
13326         PR middle-end/38584
13327         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
13328         Calculate the size of all stack vars assuming no packing of stack
13329         vars will happen, replacing a quadratic algorithm with a linear one.
13330
13331 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13332
13333         PR target/38707
13334         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
13335         can't be used.
13336
13337 2009-01-03  Diego Novillo  <dnovillo@google.com>
13338
13339         * doc/contrib.texi: Update contributions.
13340
13341 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13342
13343         PR c++/38705
13344         * builtins.c (fold_builtin_memory_op): Give up if either operand
13345         is volatile.  Set srctype or desttype to non-qualified version
13346         of the other type.
13347
13348         PR c/38700
13349         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
13350         and FUNCTION_DECLs.
13351
13352 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
13353
13354         PR rtl-optimization/35805
13355         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
13356         problem if fast dce is able to remove any instructions.
13357         * dce.c (dce_process_block): Fix dump message.
13358
13359 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
13360
13361         PR 33649
13362         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
13363
13364 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
13365
13366         PR middle-end/38690
13367         * tree-flow.h (op_code_prio, op_prio): New prototypes.
13368         * tree-pretty-print.c (op_code_prio): New function.
13369         (op_prio): No longer static.  Use op_code_prio.
13370         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
13371         Use op_prio and op_code_prio to determine if () should be
13372         printed around operand(s) or not.
13373
13374         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
13375         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
13376         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
13377         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
13378         pp_character instead of pp_string for single letter printing.
13379
13380 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13381
13382         * doc/extend.texi: Fix '#pragma GCC option' typo.
13383
13384 2009-01-02  Richard Guenther  <rguenther@suse.de>
13385
13386         * doc/install.texi (--enable-checking): Mention different
13387         default for stage1.
13388         (--enable-stage1-checking): Document.
13389
13390 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
13391
13392         PR middle-end/30142
13393         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
13394         case to be an error.
13395
13396 2009-01-02  Ben Elliston  <bje@au.ibm.com>
13397
13398         * config/fp-bit.h (pack_d): Constify argument.
13399         * config/fp-bit.c (makenan): Constify return type. Remove casts.
13400         (isnan): Constify argument.
13401         (isinf): Likewise.
13402         (iszero): Likewise.
13403         (pack_d): Likewise.
13404         (_fpadd_parts): Constify return type.
13405         (_fpmul_parts): Likewise.
13406         (_fpdiv_parts): Likewise.
13407
13408 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
13409
13410         PR c/36489
13411         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
13412         warn about overwriting initializer with side-effects or
13413         -Woverride-init if !IMPLICIT.
13414         (output_init_element): Likewise.  Pass IMPLICIT down to
13415         add_pending_init.
13416         (process_init_element): Add IMPLICIT argument.  Pass it down
13417         to output_init_element.
13418         (push_init_element, pop_init_level, set_designator): Adjust
13419         process_init_element callers.
13420         (set_nonincremental_init, set_nonincremental_init_from_string):
13421         Adjust add_pending_init callers.
13422         (output_pending_init_elements): Adjust output_init_element callers.
13423         * c-tree.h (process_init_element): Adjust prototype.
13424         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
13425         process_init_element callers.
13426
13427 \f
13428 Copyright (C) 2009 Free Software Foundation, Inc.
13429
13430 Copying and distribution of this file, with or without modification,
13431 are permitted in any medium without royalty provided the copyright
13432 notice and this notice are preserved.