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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-27  Tom Tromey  <tromey@redhat.com>
2
3         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
4
5 2009-05-27  Ian Lance Taylor  <iant@google.com>
6
7         * Makefile.in (LINKER, LINKER_FLAGS): Define.
8         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
9         (ALL_LINKERFLAGS): Define.
10         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
11         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
12         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
13         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
14         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
15         $(LINKER_FOR_BUILD).
16         (build/gcov-iov$(build_exeext)): Likewise.
17
18 2009-05-27  Julian Brown  <julian@codesourcery.com>
19
20         * gcse.c (target.h): Include.
21         (can_assign_to_reg_without_clobbers_p): Check that the target allows
22         copy of argument to a pseudo register.
23
24 2009-05-27  Diego Novillo  <dnovillo@google.com>
25
26         * tree-ssa-live.c (dump_scope_block): Document arguments.
27         (dump_scope_blocks): Document.
28         (debug_scope_blocks): New.
29         * tree-flow.h (debug_scope_blocks): Declare.
30
31 2009-05-21  Denis Chertykov  <denisc@overta.ru>
32
33         * doc/contrib.texi (Contributors): add myself to the list.
34
35 2009-05-28  Olivier Hainque  <hainque@adacore.com>
36
37         * expr.c (target_align): New function.  Alignment the TARGET of an
38         assignment may be assume to have.
39         (highest_pow2_factor_for_target): Use it instead of relying on
40         immediate tree attributes of TARGET, not necessarily honored when
41         intermediate bitfields are involved.
42         
43 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
44
45         PR target/40266
46         * config/i386/driver-i386.c (host_detect_local_cpu): Support
47         AVX, SSE4, AES, PCLMUL and POPCNT.
48
49 2009-05-27  Diego Novillo  <dnovillo@google.com>
50
51         * tree-pretty-print.c (dump_location): New.
52         (dump_generic_node): Call it.
53         Factor code to handle BLOCK nodes ...
54         (dump_block_node): ... here.
55
56 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
57
58         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h with
59         it.
60         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
61         included.
62         * gcc-plugin.h: Include config.h and system.h.
63         (IN_GCC): Define if not defined.
64
65 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
66
67         PR middle-end/40249
68         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
69         with -fno-inline.
70
71 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
72
73         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
74         applicable.
75         * config/m32r/m32r.h: Ditto.
76         * config/m32r/m32r.md: Ditto.
77         * config/m32r/predicates.md: Ditto.
78
79 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
80
81         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
82
83 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
84
85         * doc/plugins.texi
86         (Loading plugins): typo.
87         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
88         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
89         (Interacting with the GCC Garbage Collector): Added new section.
90         (Giving information about a plugin): Added new section for
91         PLUGIN_INFO.
92         * testsuite/gcc.dg/plugin/plugin.exp: Added ggcplug.c test plugin
93         with ggcplug-test-1.c for testing PLUGIN_GGC_MARKING etc...
94         * testsuite/gcc.dg/plugin/ggcplug-test-1.c: Added new file.
95         * testsuite/gcc.dg/plugin/ggcplug.c: Added new file.
96         * ggc.h (ggc_register_root_tab): Added declaration.
97         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
98         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
99         (register_callback): Improved comment in declaration.
100         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for
101         vectors.
102         (extra_root_vec) Added static variable for dynamic roots
103         registration.
104         (ggc_register_root_tab) Added new routine.
105         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
106         PLUGIN_GGC_MARKING event.
107         * ggc-zone.c: Include plugin.h.
108         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
109         * ggc-page.c: Include plugin.h.
110         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
111         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
112         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
113         (register_callback): check lack of callbacks for
114         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
115         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
116         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
117         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
118         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
119         dependency on plugin.h.
120         (plugin.o): Added dependency on ggc.h...
121
122 2009-05-26  Richard Guenther  <rguenther@suse.de>
123
124         PR middle-end/40248
125         Revert
126         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
127         with mismatched comparison modes.
128
129         * expr.c (expand_expr_real_1): Expand the operand of a
130         VIEW_CONVERT_EXPR in its natural mode.
131
132 2009-05-26  Ian Lance Taylor  <iant@google.com>
133
134         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
135         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
136         (ALL_COMPILERFLAGS): Define.
137         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
138         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
139         (collect2$(exeext), collect2.o): Likewise.
140         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
141         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
142         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
143         (libbackend.o, intl.o, cppdefault.o): Likewise.
144         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
145         (build/%.o): Use $(COMPILER_FOR_BUILD).
146         (build/gen%$(build_exeext)): Likewise.
147         (build/gcov-iov$(build_exeext)): LIkewise.
148         * config/t-darwin (darwin.o): Use $(COMPILER).
149         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
150         * config/t-sol2 (sol2-c.o): Likewise.
151         (sol2.o): Likewise.
152         * config/t-vxworks (vxworks.o): Likewise.
153         * config/x-darwin (host-darwin.o): Likewise.
154         * config/x-hpux (host-hpux.o): Likewise.
155         * config/x-linux (host-linux.o): Likewise.
156         * config/x-solaris (host-solaris.o): Likewise.
157         * config/alpha/x-alpha (driver-alpha.o): Likewise.
158         * config/arm/t-arm (arm-c.o): Likewise.
159         * config/arm/t-pe (pe.o): Likewise.
160         * config/arm/t-wince-pe (pe.o): Likewise.
161         * config/i386/t-cygming (winnt.o): Likewise.
162         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
163         * config/i386/t-cygwin (cygwin1.o): Likewise.
164         (cygwin2.o): Likewise.
165         * config/i386/t-i386 (i386-c.o): Likewise.
166         * config/i386/t-interix (winnt.o): Likewise.
167         * config/i386/t-netware (netware.o): Likewise.
168         * config/i386/t-nwld (nwld.o): Likewise.
169         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
170         * config/i386/x-i386 (driver-i386.o): Likewise.
171         * config/i386/x-cygwin (host-cygwin.o): Likewise.
172         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
173         * config/ia64/t-ia64 (ia64-c.o): Likewise.
174         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
175         * config/mips/x-native (driver-native.o): Likewise.
176         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
177         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
178         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
179         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
180         * config/score/t-score-elf (score7.o): Likewise.
181         (score3.o): Likewise.
182         * config/sh/t-sh (sh-c.o): Likewise.
183         * config/sh/t-symbian (sh-c.o): Likewise.
184         (symbian.o): Likewise.
185         * config/spu/t-spu-elf (spu-c.o): Likewise.
186         * config/v850/t-v850 (v850-c.o): Likewise.
187         * config/v850/t-v850e (v850-c.o): Likewise.
188
189 2009-05-26  Richard Guenther  <rguenther@suse.de>
190
191         PR tree-optimization/40122
192         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
193         VECTOR_CSTs if possible.
194         (fold_gimple_assign): Likewise.
195
196 2009-05-26  Richard Guenther  <rguenther@suse.de>
197
198         PR middle-end/40252
199         * fold-const.c (fold_binary): Use the correct types for building
200         rotates.
201
202 2009-05-26  Richard Guenther  <rguenther@suse.de>
203
204         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
205         redundant calls to merge_alias_info.
206         (bump_vector_ptr): Likewise.
207         * tree-ssa-copy.c (merge_alias_info): Remove.
208         (replace_exp_1): Remove call to merge_alias_info.
209         (propagate_tree_value): Likewise.
210         (fini_copy_prop): Propagate points-to info.
211         * tree-flow.h (merge_alias_info): Remove.
212
213 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
214
215         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
216
217 2009-05-25  Jan Hubicka  <jh@suse.cz>
218
219         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
220         * cgraph.h (struct inline_summary): New filed self_wize,
221         size_inlining_benefit, self_time and time_inlining_benefit.
222         (struct cgraph_global_info): Replace insns by time ans size fields.
223         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
224         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
225         (ipcp_update_callgraph): Do not touch function bodies.
226         * ipa-inline.c: Include except.h
227         (MAX_TIME): New constant.
228         (overall_insns): Remove.
229         (leaf_node_p): New.
230         (overall_size, max_benefit): New static variables.
231         (cgraph_estimate_time_after_inlining): New function.
232         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
233         (cgraph_clone_inlined_nodes): Update size.
234         (cgraph_mark_inline_edge): Update size.
235         (cgraph_estimate_growth): Use size info.
236         (cgraph_check_inline_limits): Check size.
237         (cgraph_default_inline_p): Likewise.
238         (cgraph_edge_badness): Compute badness based on benefit and size cost.
239         (cgraph_decide_recursive_inlining): Check size.
240         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
241         times.
242         (cgraph_decide_inlining): Likewise.
243         (cgraph_decide_inlining_incrementally): Likewise; honor
244         PARAM_EARLY_INLINING_INSNS.
245         (likely_eliminated_by_inlining_p): New predicate.
246         (estimate_function_body_sizes): New function.
247         (compute_inline_parameters): Use it.
248         * except.c (must_not_throw_labels): New function.
249         * except.h (must_not_throw_labels): Declare.
250         * tree-inline.c (init_inline_once): Kill inlining_weigths
251         * tree-ssa-structalias.c: Avoid uninitialized warning.
252         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
253         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
254         (PARAM_INLINE_CALL_COST): Remove.
255         (PARAM_EARLY_INLINING_INSNS): New.
256
257 2009-05-25  Richard Guenther  <rguenther@suse.de>
258
259         PR tree-optimization/36327
260         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
261         callback for reference translation or lookup at the point
262         of may-defs.
263         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
264         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
265         for union COMPONENT_REFs.
266         (vn_reference_lookup_3): New callback.  Lookup from memset
267         and CONSTRUCTOR assignment, translate through struct copies.
268         (vn_reference_lookup_pieces): Make sure to not free the
269         passed operands array.  Adjust walk_non_aliased_vuses call.
270         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
271         make sure we do not leak memory.
272
273 2009-05-25  Richard Guenther  <rguenther@suse.de>
274
275         * tree-ssa-alias.h (dump_points_to_solution): Declare.
276         * tree-inline.c (expand_call_inline): Reset the escaped and
277         callused solutions.
278         * tree-ssa-structalias.c (pass_build_ealias): New.
279         * tree-pass.h (pass_build_ealias): Declare.
280         * passes.c (init_optimization_passes): Add PTA during 
281         early optimizations.
282         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
283         and CALLUSED solutions.
284         (dump_points_to_solution): New function, split out from ...
285         (dump_points_to_info_for): ... here.
286         * tree-parloops.c (parallelize_loops): Reset the escaped and
287         callused solutions.
288
289 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
290
291         PR bootstrap/40027
292         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
293         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
294
295 2009-05-25  Ira Rosen  <irar@il.ibm.com>
296
297         PR tree-optimization/40238
298         * tree-vect-stmts.c (vect_init_vector): Insert initialization
299         statements after basic block's labels.
300         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
301         to free the allocated memory.
302
303 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
304
305         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
306         return address with a USE.
307
308 2009-05-24  Richard Guenther  <rguenther@suse.de>
309
310         PR middle-end/40233
311         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
312         array type from the main variant of the inner type.
313
314 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
315
316         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
317         definition to bool (from int) to un-break build.
318         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
319
320 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
321
322         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
323         discard_stmt_changes): Delete.
324         * tree-ssa-operands.c (scb_stack): Delete.
325         (init_ssa_operands): Do not initialize it.
326         (fini_ssa_operands): Do not free it.
327         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
328
329         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
330         update_stmt, remove the others.  Fix comments.
331         * tree-dfa.c (optimize_stack_restore): Likewise.
332         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
333         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
334         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
335         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
336         Likewise.
337         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
338         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
339         (dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
340         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
341         (stmts_to_rescan): Change item type to gimple.
342         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
343
344 2009-05-24  Ira Rosen  <irar@il.ibm.com>
345
346         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
347         * tree-pass.h (pass_slp_vectorize): New pass.
348         * params.h (SLP_MAX_INSNS_IN_BB): Define.
349         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
350         * tree-vectorizer.c (timevar.h): Include.
351         (user_vect_verbosity_level): Declare.
352         (vect_location): Fix comment.
353         (vect_set_verbosity_level): Update user_vect_verbosity_level
354         instead of vect_verbosity_level.
355         (vect_set_dump_settings): Add an argument. Ignore user defined
356         verbosity if dump flags require higher level of verbosity. Print to
357         stderr only for loop vectorization.
358         (vectorize_loops): Update call to vect_set_dump_settings.
359         (execute_vect_slp): New function.
360         (gate_vect_slp): Likewise.
361         (struct gimple_opt_pass pass_slp_vectorize): New.
362         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
363         access its members.
364         (vec_info_for_bb): New function.
365         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
366         (VECTORIZATION_ENABLED): New macro.
367         (SLP_ENABLED, SLP_DISABLED): Likewise.
368         (vect_is_simple_use): Add bb_vec_info argument.
369         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
370         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
371         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
372         vect_schedule_slp, vect_analyze_slp): Likewise.
373         (vect_analyze_stmt): Add slp_tree argument.
374         (find_bb_location): Declare.
375         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
376         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
377         (vect_analyze_loop_operations, vect_analyze_loop,
378         get_initial_def_for_induction, vect_create_epilog_for_reduction,
379         vect_finalize_reduction, vectorizable_reduction,
380         vectorizable_live_operation, vect_transform_loop): Likewise.
381         * tree-data-ref.c (dr_analyze_innermost): Update comment,
382         skip evolution analysis if analyzing a basic block.
383         (dr_analyze_indices): Likewise.
384         (initialize_data_dependence_relation): Skip the test whether the
385         object is invariant for basic blocks.
386         (compute_all_dependences): Skip dependence analysis for data
387         references in basic blocks.
388         (find_data_references_in_stmt): Don't fail in case of invariant
389         access in basic block.
390         (find_data_references_in_bb): New function.
391         (find_data_references_in_loop): Move code to
392         find_data_references_in_bb and add a call to it.
393         (compute_data_dependences_for_bb): New function.
394         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
395         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
396         that STEP is 0.
397         (vect_analyze_data_ref_dependence): Check for interleaving in case of
398         unknown dependence in basic block and fail in case of dependence in
399         basic block.
400         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
401         dependence instances from either loop or basic block vectorization
402         info.
403         (vect_compute_data_ref_alignment): Check if it is loop vectorization
404         before calling nested_in_vect_loop_p.
405         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
406         dependence instances from either loop or basic block vectorization
407         info.
408         (vect_verify_datarefs_alignment): Likewise.
409         (vect_enhance_data_refs_alignment): Adjust function calls.
410         (vect_analyze_data_refs_alignment): Likewise.
411         (vect_analyze_group_access): Fix printing. Skip different checks if
412         DR_STEP is 0. Keep strided stores either in loop or basic block
413         vectorization data structure. Fix indentation.
414         (vect_analyze_data_ref_access): Fix comments, allow zero step in
415         basic blocks.
416         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
417         dependence instances from either loop or basic block vectorization
418         info.
419         (vect_analyze_data_refs): Update comment. Call
420         compute_data_dependences_for_bb to analyze basic blocks.
421         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
422         case of loop vectorization. In case of basic block vectorization use
423         data-ref itself as a base.
424         (vect_create_data_ref_ptr): In case of basic block vectorization:
425         don't advance the pointer, add new statements before the current
426         statement.  Adjust function calls.
427         (vect_supportable_dr_alignment): Support only aligned accesses in
428         basic block vectorization.
429         * common.opt (ftree-slp-vectorize): New flag.
430         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
431         (vect_pattern_recog_1): Likewise.
432         * tree-vect-stmts.c (process_use): Likewise.
433         (vect_init_vector): Add new statements in the beginning of the basic
434         block in case of basic block SLP.
435         (vect_get_vec_def_for_operand): Adjust function calls.
436         (vect_finish_stmt_generation): Likewise.
437         (vectorizable_call): Add assert that it is loop vectorization, adjust
438         function calls.
439         (vectorizable_conversion, vectorizable_assignment): Likewise.
440         (vectorizable_operation): In case of basic block SLP, take
441         vectorization factor from statement's type and skip the relevance
442         check. Adjust function calls.
443         (vectorizable_type_demotion): Add assert that it is loop
444         vectorization, adjust function calls.
445         (vectorizable_type_promotion): Likewise.
446         (vectorizable_store): Check for outer loop only in case of loop
447         vectorization. Adjust function calls. For basic blocks, skip the
448         relevance check and don't advance pointers.
449         (vectorizable_load): Likewise.
450         (vectorizable_condition): Add assert that it is loop vectorization,
451         adjust function calls.
452         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
453         that it is not reduction, get vector type, call only supported
454         functions, skip loop specific parts.
455         (vect_transform_stmt): Check for outer loop only in case of loop
456         vectorization.
457         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
458         (vect_is_simple_use): Fix comment, add new argument, fix conditions
459         for external definition.
460         * passes.c (pass_slp_vectorize): New pass.
461         * tree-vect-slp.c (find_bb_location): New function.
462         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
463         check for patterns only in loops.
464         (vect_build_slp_tree): Add argument, adjust function calls, fail in
465         case of multiple types in basic block SLP.
466         (vect_mark_slp_stmts_relevant): New function.
467         (vect_supported_load_permutation_p): Fix comment.
468         (vect_analyze_slp_instance): Add argument. In case of basic block
469         SLP, take vectorization factor from statement's type, check that
470         unrolling factor is 1. Adjust function call. Save SLP instance in
471         either loop or basic block vectorization structure. Return FALSE,
472         if SLP failed.
473         (vect_analyze_slp): Add argument. Get strided stores groups from
474         either loop or basic block vectorization structure. Return FALSE
475         if basic block SLP failed.
476         (new_bb_vec_info): New function.
477         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
478         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
479         (vect_schedule_slp): Add argument. Get SLP instances from either
480         loop or basic block vectorization structure. Set vectorization factor
481         to be 1 for basic block SLP.
482         (vect_slp_transform_bb): New function.
483         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
484
485 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
486
487         * final.c (shorten_branches): Do not align labels for jump tables.
488         (final_scan_insn): Use JUMP_TABLE_DATA_P.
489
490 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
491
492         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
493         Remove outdated reference to flow.c and fix nits.
494         * doc/gccint.texi: Tweak RTL description.
495         * doc/rtl.texi: Likewise.
496
497 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
498
499         * config/avr/avr.c: Change my email address.
500         * config/avr/avr.h: Likewise.
501         * config/avr/avr.md: Likewise.
502         * config/avr/avr-protos.h: Likewise.
503         * config/avr/libgcc.S: Likewise.
504
505 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
506
507         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
508         (spu_split_load, spu_split_store): Change return type to int.
509         (spu_split_convert): Declare.
510         * config/spu/predicates.md (spu_mem_operand): Remove.
511         (spu_mov_operand): Update.
512         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
513         * config/spu/spu.c (regno_aligned_for_load): Remove.
514         (reg_aligned_for_addr, spu_expand_load): Define.
515         (spu_expand_extv): Reimplement and handle MEM.
516         (spu_expand_insv): Handle MEM.
517         (spu_sched_reorder): Handle insn's with length 0.
518         (spu_legitimate_address_p): Reimplement.
519         (store_with_one_insn_p): Return TRUE for any mode with size
520         larger than 16 bytes.
521         (address_needs_split): Define.
522         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
523         operands.
524         (spu_convert_move): Define.
525         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
526         (spu_split_store): Change all MEM's to TImode.
527         (spu_init_expanders): Preallocate registers that correspond to
528         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
529         mark_reg_pointer.
530         (spu_split_convert): Define.
531         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
532         (_move<mode>, _movdi, _movti): Update predicate and condition.
533         (load, store): Change to define_split.
534         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
535         extend<mode>ti2.
536         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
537         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
538         define_insn_and_split of lshr<mode>3.
539         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
540         (<v>ashr<mode>3_imm): Define.
541         (extv, extzv, insv): Allow MEM operands.
542         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
543         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
544         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
545         (_spu_convert2): Change to define_insn_and_split and remove the
546         corresponding define_peephole2.
547         (stack_protect_set, stack_protect_test, stack_protect_test_si):
548         Change predicates to memory_operand.
549
550 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
551
552         * config/arm/thumb2.md: Add 16-bit multiply instructions.
553
554 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
555
556         PR tree-optimization/40219
557         * tree.c (iterative_hash_expr): Make sure the builtin function is
558         a normal builtin function and not a front end or back end builtin
559         before indexing into the built_in_decls array.
560
561 2009-05-22  Richard Guenther  <rguenther@suse.de>
562
563         PR middle-end/38964
564         * alias.c (write_dependence_p): Do not use TBAA for answering
565         anti-dependence or output-dependence.
566         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
567         (emit_pointer_definition): Remove.
568         (emit_alias_warning): Likewise.
569         (find_what_var_points_to): Remove TBAA pruning code.
570         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
571         violations.
572         (compute_points_to_sets): Remove code computing the set of
573         dereferenced pointers.
574         * tree-data-ref.c (dr_may_alias_p): Properly use the split
575         oracle for querying anti and output dependencies.
576         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
577         if TBAA may be applied.
578         (refs_anti_dependent_p): New function.
579         (refs_output_dependent_p): Likewise.
580         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
581         (refs_output_dependent_p): Likewise.
582         * doc/tree-ssa.texi (Memory model): New section.
583         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
584         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
585         * cfgexpand.c (expand_gimple_basic_block): Do not handle
586         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
587         * expr.c (expand_expr_real_1): Likewise.
588         * gimple-low.c (lower_stmt): Likewise.
589         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
590         (dump_gimple_cdt): Remove.
591         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
592         (gimple_size): Likewise.
593         (walk_gimple_op): Likewise.
594         (is_gimple_stmt): Likewise.
595         (walk_stmt_load_store_addr_ops): Likewise.
596         (gimple_build_cdt): Remove.
597         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
598         * gimple.h (gimple_cdt_new_type): Remove.
599         (gimple_cdt_new_type_ptr): Likewise.
600         (gimple_cdt_set_new_type): Likewise.
601         (gimple_cdt_location): Likewise.
602         (gimple_cdt_location_ptr): Likewise.
603         (gimple_cdt_set_location): Likewise.
604         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
605         * tree-cfg.c (remove_useless_stmts_1): Do not handle
606         GIMPLE_CHANGE_DYNAMIC_TYPE.
607         (verify_types_in_gimple_stmt): Likewise.
608         * tree-inline.c (estimate_num_insns): Likewise.
609         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
610         (copy_decl_to_var): Likewise.
611         (copy_result_decl_to_var): Likewise.
612         * tree-pretty-print.c (dump_generic_node): Do not handle
613         CHANGE_DYNAMIC_TYPE_EXPR.
614         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
615         * tree-ssa-operands.c (get_expr_operands): Likewise.
616         * tree-ssa-structalias.c (struct variable_info): Remove
617         no_tbaa_pruning member.
618         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
619         (unify_nodes): Do not copy it.
620         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
621         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
622         (set_uids_in_ptset): Do not check it.
623         (find_what_var_points_to): Likewise.
624         (compute_tbaa_pruning): Remove.
625         (compute_points_to_sets): Do not call it.
626         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
627         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
628         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
629         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
630         (DECL_NO_TBAA_P): Likewise.
631         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
632         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
633         (expand_omp_atomic_pipeline): Do not set it.
634         * print-tree.c (print_node): Do not dump it.
635         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
636         redundant check.
637
638 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
639
640         PR target/39856
641         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
642         for clobber.
643
644 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
645
646         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
647         non-external.
648
649 2009-05-22  Ben Elliston  <bje@au.ibm.com>
650
651         * Makefile.in (bversion.h, s-bversion): New targets.
652         (TOPLEV_H): Add bversion.h.
653         * toplev.h: Include "bversion.h".
654         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
655         the __format__ attribute only if compiling with the same version
656         of GCC as the sources (the "build version").
657
658 2009-05-22  Ben Elliston  <bje@au.ibm.com>
659
660         * c-format.c (handle_format_attribute): Fix comment typo.
661
662 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
663
664         PR target/37846
665         * config/ia64/ia64.opt (mfused-madd): New.
666         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
667         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
668         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
669         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
670         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
671         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
672         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
673         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
674         instruction if !TARGET_FUSED_MADD.
675         (fpma, fpms): Remove colon from name.
676
677 2009-05-22  Richard Guenther  <rguenther@suse.de>
678
679         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
680         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
681         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
682         TARGET_MEM_REF.
683         (create_expression_by_pieces): Only convert if necessary.
684         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
685         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
686
687 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
688
689         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
690         regular pattern from a template and rename it ...
691         (*extzv_truncsi_exts): ... to this.
692
693 2009-05-21  Richard Guenther  <rguenther@suse.de>
694
695         * cgraph.h (struct cgraph_node): Remove inline_decl member.
696         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
697         (cgraph_default_inline_p): Likewise.
698         (cgraph_decide_inlining_incrementally): Likewise.
699
700 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
701             Uros Bizjak  <ubizjak@gmail.com>
702
703         * config/i386/cpuid.h (bit_MOVBE): New.
704
705         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
706
707         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
708         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
709         (ix86_handle_option): Handle OPT_mmovbe.
710         (ix86_target_string): Add -mmovbe.
711         (pta_flags): Add PTA_MOVBE.
712         (processor_alias_table): Add PTA_MOVBE to "atom".
713         (override_options): Handle PTA_MOVBE.
714
715         * config/i386/i386.h (TARGET_MOVBE): New.
716
717         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
718         (*bswapsi_movbe): New.
719         (*bswapdi_movbe): Likewise.
720         (bswapdi2): Renamed to ...
721         (*bswapdi_1): This.
722         (bswapdi2): New expander.
723
724         * config/i386/i386.opt (mmovbe): New.
725
726         * doc/invoke.texi: Document -mmovbe.
727
728 2009-05-21  Taras Glek  <tglek@mozilla.com>
729
730         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
731         * gcc-plugin.h (plugin_init): Updated signature.
732         * gcc-plugin.h (plugin_name_args): Moved to this header.
733         * doc/plugins.texi (plugin_init): Updated documention to reflect
734         API change.
735         * doc/plugins.texi (plugin_name_args): Added to documention.
736
737 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
738
739         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
740         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
741
742 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
743
744         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
745         JUMP_TABLE_DATA_P predicates where applicable.
746         * config/i386/predicates.md: Ditto.
747         * config/i386/sse.md: Ditto.
748
749 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
750
751         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
752         operand2 -128 override length_immediate attribute to 1.
753         * config/i386/predicates.md (constm128_operand): New predicate.
754
755         * config/i386/i386.c (memory_address_length): Handle %r12
756         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
757         also check REGNO.
758         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
759         mode look through optional ZERO_EXTEND and SUBREG.
760         * config/i386/i386.md (R12_REG): New define_constant.
761         (prefix_data16): For sse unit set also for MODE_TI insns.
762         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
763         insns set if operand 1 is ext_QIreg_operand.
764         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
765         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
766         immediate.
767         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
768         mode from MODE_DI to MODE_SI.
769         (movdi_1_rex64): Override modrm and length_immediate attributes
770         only for movabs (TYPE_IMOV, alternative 2).
771         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
772         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
773         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
774         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
775         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
776         prefix_rex attribute if DImode.
777         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
778         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
779         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
780         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
781         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
782         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
783         Likewise.  For TYPE_IMOV clear length_immediate attribute.
784         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
785         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
786         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
787         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
788         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
789         or one operand TYPE_ISHIFT.
790         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
791         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
792         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
793         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
794         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
795         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
796         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
797         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
798         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
799         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
800         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
801         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
802         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
803         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
804         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
805         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
806         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
807         set mode attribute, don't override length attribute.
808         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
809         to 1.
810         (return_internal_long): Set length attribute to 2 instead of 1.
811         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
812         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
813         prefix_rex attribute.
814         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
815         New predicates.
816         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
817
818 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
819
820         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
821
822 2009-05-20  Ian Lance Taylor  <iant@google.com>
823
824         * tree.c (build_tree_list_vec_stat): New function.
825         (ctor_to_vec): New function.
826         (build_nt_call_vec): New function.
827         (build_call_array): Change args to be a const pointer.
828         (build_call_vec): New function.
829         * tree.h (build_nt_call_vec): Declare.
830         (build_tree_list_vec_stat): Declare.
831         (build_tree_list_vec): Define.
832         (build_call_array): Update declaration.
833         (build_call_vec): Declare.
834         (ctor_to_vec): Declare.
835         * c-common.c (tree_vector_cache): New static variable.
836         (make_tree_vector): New function.
837         (release_tree_vector): New function.
838         (make_tree_vector_single): New function.
839         (make_tree_vector_copy): New function.
840         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
841         (make_tree_vector_single, make_tree_vector_copy): Declare.
842         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
843         (c_parser_expr_list): Don't manage cache here, instead call
844         make_tree_vector.
845         (c_parser_release_expr_list): Remove static function.
846         (c_parser_vec_to_tree_list): Remove static function.
847         (c_parser_attributes): Call build_tree_list_vec instead of
848         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
849         c_parser_release_expr_list.
850         (c_parser_postfix_expression_after_primary): Likewise.
851         (c_parser_objc_keywordexpr): Likewise.
852
853 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
854
855         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
856         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
857         TARGET_CONVERT_TO_TYPE.
858         * hooks.c (hook_tree_const_tree_null): Define.
859         * hooks.h (hook_tree_const_tree_null): Declare.
860         * target.h (struct gcc_target):  Add invalid_parameter_type,
861         invalid_return_type, promoted_type, and convert_to_type fields.
862         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
863         (TARGET_INVALID_RETURN_TYPE): Define.
864         (TARGET_PROMOTED_TYPE): Define.
865         (TARGET_CONVERT_TO_TYPE): Define.
866         (TARGET_INITIALIZER): Update for new fields.
867         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
868         (grokparms): Check targetm.invalid_parameter_type.
869         * c-typeck.c (default_conversion): Check targetm.promoted_type.
870         * c-convert.c (convert): Check targetm.convert_to_type.
871
872 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
873
874         * config/mips/mips.md (*extenddi_truncate<mode>,
875         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
876         defintions.
877         (*extendhi_truncateqi): New define_insn_and_sptit.
878
879 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
880
881         PR middle-end/40204
882         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
883         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
884
885 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
886
887         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
888         the operand of VIEW_CONVERT_EXPR.
889
890 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
891
892         * config/i386/driver-i386.c (host_detect_local_cpu): Check
893         extended family and model for Intel processors.  Support Intel
894         Atom.
895
896 2009-05-20  Olivier Hainque  <hainque@adacore.com>
897
898         * gstab.h (stab_code_type): Define, to be used instead of the
899         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
900         notice.
901         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
902         occurrences by stab_code_type.
903         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
904
905 2009-05-20  Martin Jambor  <mjambor@suse.cz>
906
907         * tree-flow.h (insert_edge_copies_seq): Undeclare.
908         (sra_insert_before): Likewise.
909         (sra_insert_after): Likewise.
910         (sra_init_cache): Likewise.
911         (sra_type_can_be_decomposed_p): Likewise.
912         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
913         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
914         (sra_insert_before): Likewise.
915         (sra_insert_after): Likewise.
916         (sra_init_cache): Likewise.
917         (insert_edge_copies_seq): Made static and moved upwards.
918
919         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
920         case.
921
922         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
923
924         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
925         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
926         simple copies.
927
928 2009-05-20  Richard Guenther  <rguenther@suse.de>
929
930         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
931         with mismatched comparison modes.
932
933 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
934
935         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
936         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
937         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
938         with shifts for Thumb2.
939         (orsi_notsi): New for orn.
940         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
941         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
942         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
943         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
944         Don't invert remainder for IOR.
945         
946 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
947
948         PR tree-optimization/40087
949         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
950         number_of_iterations_ne): Rename never_infinite argument.
951         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
952         number_of_iterations_le): Handle pointer-type ivs when
953         exit_must_be_taken is false.
954         (number_of_iterations_cond):  Do not always assume that
955         exit_must_be_taken if the control variable is a pointer.
956
957 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
958
959         * c-typeck.c (build_binary_op): Allow % on integal vectors.
960         * doc/extend.texi (Vector Extension): Document that % is allowed too.
961
962 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
963
964         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
965         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
966
967 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
968
969         PR c/40172
970         * c.opt (Wlogical-op): Disabled by default.
971         * c-opt (c_common_post_options): Do not enable Wlogical-op with
972         Wextra.
973         * doc/invoke.texi (Wlogical-op): Likewise.
974         
975 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
976
977         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
978         into CASE_CONVERT.
979         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
980         Propagate the type of the first operand.
981         <ASSERT_EXPR>: Simplify.
982         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
983         Rewrite using the RHS code as discriminant.
984         <NOP_EXPR>: Turn into CASE_CONVERT.
985         <PLUS_EXPR>: Propagate the type of the first operand.
986
987 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
988
989         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
990         (ia64_dconst_0_375): New.
991         * config/ia64/ia64.c (ia64_override_options): Remove
992         -minline-sqrt-min-latency warning.
993         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
994         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
995         * config/ia64/ia64.md (*sqrt_approx): Remove.
996         (sqrtsf2): Remove #if 0.
997         (sqrtsf2_internal_thr): Rewrite and move to div.md.
998         (sqrtdf): Remove assert.
999         (sqrtdf2_internal_thr): Rewrite and move to div.md.
1000         (sqrtxf2): Remove #if 0.
1001         (sqrtxf2_internal_thr): Rewrite and move to div.md.
1002         * div.md (sqrt_approx_rf): New.
1003         (sqrtsf2_internal_thr): New implementation.
1004         (sqrtsf2_internal_lat): New.
1005         (sqrtdf2_internal_thr: New implementation.
1006         (sqrtxf2_internal): New implementation.
1007
1008 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
1009             Hans-Peter Nilsson  <hp@axis.com>
1010
1011         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
1012         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
1013         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
1014         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
1015         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
1016         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
1017         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
1018         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
1019         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
1020         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
1021         * c-common.c: ...from here.
1022
1023 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1024
1025         * c-common.c (warn_logical_operator): Remove unnecessary
1026         conditionals.
1027
1028 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1029
1030         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
1031
1032 2009-05-19  Ben Elliston  <bje@au.ibm.com>
1033
1034         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
1035         assignments with memcpy calls.
1036         (add_fdes): Likewise.
1037         (binary_search_unencoded_fdes): Likewise.
1038         (linear_search_fdes): Eliminate type puns.
1039         
1040 2009-05-19  Richard Guenther  <rguenther@suse.de>
1041
1042         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
1043         not falsely claim to have propagated into all uses.
1044
1045 2009-05-19  Ben Elliston  <bje@au.ibm.com>
1046
1047         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
1048         version to v3.0.
1049
1050 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1051
1052         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
1053         * config/sh/sh.c (sh_legitimate_address_p): Make static.
1054         (TARGET_LEGITIMATE_ADDRESS_P): New.
1055         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1056         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1057         
1058 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
1059
1060         PR debug/40109
1061         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
1062         child of the containing namespace's DIE.
1063
1064 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
1065
1066         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
1067         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
1068         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
1069         extend patterns.
1070
1071 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1072
1073         PR target/39942
1074         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
1075         gen_align with gen_pad.
1076         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
1077         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
1078
1079         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
1080         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
1081
1082         * config/i386/i386.md (align): Renamed to ...
1083         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
1084         ASM_OUTPUT_MAX_SKIP_PAD.
1085
1086 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
1087
1088         * config.gcc: Fix variable syntax.
1089
1090         PR target/39531
1091         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
1092         before calling exact_log2.
1093         (output_iorsi3): Likewise.
1094         (output_xorsi3): Likewise.
1095
1096 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1097
1098         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
1099         for the none zero constant operand except for EQ and NE
1100         comprisons even when the first operand is R0.
1101
1102 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1103
1104         * config/s390/2064.md: Remove trailing whitespaces.
1105         * config/s390/2084.md: Likewise.
1106         * config/s390/constraints.md: Likewise.
1107         * config/s390/fixdfdi.h: Likewise.
1108         * config/s390/libgcc-glibc.ver: Likewise.
1109         * config/s390/s390-modes.def: Likewise.
1110         * config/s390/s390-protos.h: Likewise.
1111         * config/s390/s390.c: Likewise.
1112         * config/s390/s390.h: Likewise.
1113         * config/s390/s390.md: Likewise.
1114         * config/s390/tpf-unwind.h: Likewise.
1115
1116 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1117
1118         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
1119
1120 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1121
1122         M68K TLS support.
1123         * configure.ac (m68k-*-*): Check if binutils support TLS.
1124         * configure: Regenerate.
1125         * config/m68k/predicates.md (symbolic_operand): Extend comment.
1126         * config/m68k/constraints.md (Cu): New constraint.
1127         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
1128         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
1129         (movsi): Handle TLS symbols.
1130         (addsi3_5200): Handle XTLS symbols, indent.
1131         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
1132         (m68k_tls_reference_p): Declare.
1133         (m68k_legitimize_address): Declare.
1134         (m68k_unwrap_symbol): Declare.
1135         * config/m68k/m68k.opt (mxtls): New option.
1136         * config/m68k/m68k.c (ggc.h): Include.
1137         (m68k_output_dwarf_dtprel): Implement hook.
1138         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
1139         (m68k_expand_prologue): Load GOT pointer when function needs it.
1140         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
1141         (m68k_legitimate_constant_address_p): Same.
1142         (m68k_decompose_address): Handle TLS references.
1143         (m68k_get_gp): New static function.
1144         (enum m68k_reloc): New contants.
1145         (TLS_RELOC_P): New macro.
1146         (m68k_wrap_symbol): New static function.
1147         (m68k_unwrap_symbol): New function.
1148         (m68k_final_prescan_insn_1): New static function.
1149         (m68k_final_prescan_insn): New function.
1150         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
1151         functions.
1152         (legitimize_pic_address): Handle TLS references..
1153         (m68k_tls_get_addr, m68k_get_tls_get_addr)
1154         (m68k_libcall_value_in_a0_p)
1155         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
1156         (m68k_call_m68k_read_tp): Helper variables and functions for ...
1157         (m68k_legitimize_tls_address): Handle TLS references.
1158         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
1159         New functions.
1160         (m68k_legitimize_address): Handle TLS symbols.
1161         (m68k_get_reloc_decoration): New static function.
1162         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
1163         UNSPEC_RELOC32.
1164         (m68k_output_dwarf_dtprel): Implement hook.
1165         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
1166         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
1167         m68k_call_* routines.
1168         (sched_attr_op_type): Handle TLS symbols.
1169         (gt-m68k.h): Include.
1170         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
1171         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
1172
1173 2009-05-18  Martin Jambor  <mjambor@suse.cz>
1174
1175         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
1176         (visit_store_addr_for_mod_analysis): New function.
1177         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
1178         (determine_cst_member_ptr): Use gimple_assign_single_p.
1179         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
1180         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
1181         operands.  Don't check number of operands of a NOP_EXPR.
1182
1183 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
1184
1185         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
1186
1187 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1188
1189         PR c/40172
1190         * c-common.c (warn_logical_operator): Don't warn if one of
1191         expression isn't always true or false.
1192
1193 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
1194
1195         * config/i386/biarch32.h: New file.
1196         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
1197
1198 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
1199
1200         * config/mips/mips.md (*zero_extend<mode>_trunchi,
1201         *zero_extend<mode>_truncqi): Merge these into ...
1202         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
1203         Name the pattern following this as *zero_extendhi_truncqi.
1204
1205 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
1206
1207         PR middle-end/39301
1208         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
1209         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
1210         (output_info): Make field HOST_WIDEST_INT.
1211         (print_statistics): Use HOST_WIDEST_INT_PRINT.
1212         (dump_bitmat_statistics): Same.
1213
1214 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
1215
1216         * config.gcc (use_gcc_stdint):  Set to wrap.
1217         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1218         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1219         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1220         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1221         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1222         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1223         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1224         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1225
1226 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
1227
1228         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
1229         tune_64.
1230         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
1231         Move definitions earlier.
1232         (OPT_ARCH64, OPT_ARCH32): Define.
1233         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
1234         and tune_64.
1235
1236 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1237
1238         PR target/40153
1239         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
1240         implies.
1241
1242 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1243
1244         * arm.md (movdi2): Copy non-reg values to DImode registers.
1245
1246 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
1247
1248         PR target/39942
1249         * final.c (label_to_max_skip): New function.
1250         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
1251         CODE_LABEL_NUMBER <= max_labelno.
1252         * output.h (label_to_max_skip): New prototype.
1253         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
1254         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
1255         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
1256         Handle CODE_LABELs with >= 16 byte alignment or with
1257         max_skip == (1 << align) - 1.
1258         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
1259         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
1260
1261         PR target/39942
1262         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
1263         .p2align 3 if MAX_SKIP is smaller than 7.
1264         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1265
1266 2009-05-15  Ian Lance Taylor  <iant@google.com>
1267
1268         * alias.c (struct alias_set_entry_d): Rename from struct
1269         alias_set_entry.  Change all uses.
1270         * except.c (struct call_site_record_d): Rename from struct
1271         call_site_record.  Change all uses.
1272         * except.h (struct eh_region_d): Rename from struct eh_region.
1273         Change all uses.
1274         * gcse.c (struct hash_table_d): Rename from struct hash_table.
1275         Change all uses.
1276         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
1277         ivtype_map_elt.  Change all uses.
1278         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
1279         Change all uses.
1280         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
1281         * graphite.h (struct name_tree_d): Rename from struct name_tree.
1282         Change all uses.
1283         (struct sese_d): Rename from struct sese.  Change all uses.
1284         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
1285         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
1286         * optabs.h (struct optab_d): Rename from struct optab.  Change all
1287         uses.
1288         (struct convert_optab_d): Rename from struct convert_optab.
1289         Change all uses.
1290         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
1291         ipa_opt_pass.  Change all uses.
1292         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
1293         all uses.
1294
1295         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
1296         defined as a typedef.
1297         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
1298         defined as a tag.
1299
1300 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1301
1302         PR 16302
1303         * fold-const.c (make_range,build_range_check,merge_ranges): Move
1304         declaration to...
1305         (merge_ranges): Returns bool. 
1306         * tree.h (make_range): .. to here.
1307         (build_range_check): Likewise.
1308         (merge_ranges): Likewise. Renamed from merge_ranges.
1309         * c-typeck.c (parser_build_binary_op): Update calls to
1310         warn_logical_operator.
1311         * c-common.c (warn_logical_operator): Add new warning.
1312         * c-common.h (warn_logical_operator): Update declaration.
1313         
1314 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1315
1316         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
1317         
1318 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1319
1320         * doc/install.texi: Document MPC requirements, flags etc.
1321
1322         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
1323         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
1324         Evaluate constant arguments.
1325         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
1326         (fold_builtin_1): Likewise, also evaluate constant arguments.
1327         Remove superfluous break.
1328         (do_mpc_ckconv): New.
1329         * real.h: Include mpc.h.
1330         * toplev.c (print_version): Output MPC version info if available.
1331
1332 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1333
1334         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
1335
1336 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1337
1338         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
1339         only once.
1340
1341 2009-05-15  Jan Hubicka  <jh@suse.cz>
1342
1343         * doc/invoke.texi (max-early-inliner-iterations): New flag.
1344         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
1345         (try_inline): Fix return value.
1346         (cgraph_decide_inlining_incrementally): Honor new value.
1347         (cgraph_early_inlining): Handle indirect inlining.
1348         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
1349
1350 2009-05-15  Jan Hubicka  <jh@suse.cz>
1351
1352         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
1353         * cgraphunit.c (cgraph_finalize_function): Set it.
1354         (cgraph_expand_function): Use it.
1355
1356 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1357
1358         * real.c (encode_ieee_half): Define.
1359         (decode_ieee_half): Define.
1360         (ieee_half_format): Define.
1361         (arm_half_format): Define.
1362         * real.h (ieee_half_format): Declare.
1363         (arm_half_format): Declare.
1364
1365 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1366
1367         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
1368         swapped, and reversed optabs exist before trying to use them.
1369
1370 2009-05-15  Paul Brook  <paul@codesourcery.com>
1371             Sandra Loosemore  <sandra@codesourcery.com>
1372
1373         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
1374         loads.  Allow PRE_DEC.
1375         (output_move_neon): Handle PRE_DEC.
1376         (arm_print_operand): Add 'A' for neon structure loads.
1377         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
1378         * config/arm/neon.md (neon_mov): Update comment.
1379         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
1380         calls.
1381         (Um): New constraint.
1382
1383 2009-05-15  Jan Hubicka  <jh@suse.cz>
1384
1385         Revert the following patch until testsuite fallout is fixed:
1386         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1387         * cgraph.h (struct inline_summary): New filed self_wize,
1388         size_inlining_benefit, self_time and time_inlining_benefit.
1389         (struct cgraph_global_info): Replace insns by time ans size fields.
1390         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1391         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1392         (ipcp_update_callgraph): Do not touch function bodies.
1393         * ipa-inline.c: Include except.h
1394         (MAX_TIME): New constant.
1395         (overall_insns): Remove
1396         (overall_size, max_benefit): New static variables.
1397         (cgraph_estimate_time_after_inlining): New function.
1398         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1399         (cgraph_clone_inlined_nodes): Update size.
1400         (cgraph_mark_inline_edge): Update size.
1401         (cgraph_estimate_growth): Use size info.
1402         (cgraph_check_inline_limits): Check size.
1403         (cgraph_default_inline_p): Likewise.
1404         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1405         (cgraph_decide_recursive_inlining): Check size.
1406         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1407         times.
1408         (cgraph_decide_inlining): Likewise.
1409         (cgraph_decide_inlining_incrementally): Likewise; honor
1410         PARAM_EARLY_INLINING_INSNS.
1411         (likely_eliminated_by_inlining_p): New predicate.
1412         (estimate_function_body_sizes): New function.
1413         (compute_inline_parameters): Use it.
1414         * except.c (must_not_throw_labels): New function.
1415         * except.h (must_not_throw_labels): Declare.
1416         * tree-inline.c (init_inline_once): Kill inlining_weigths
1417         * tree-ssa-structalias.c: Avoid uninitialized warning.
1418         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1419         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1420         (PARAM_INLINE_CALL_COST): Remove.
1421         (PARAM_EARLY_INLINING_INSNS): New.
1422
1423 2009-05-15  Richard Guenther  <rguenther@suse.de>
1424
1425         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
1426         not TODO_update_ssa.
1427
1428 2009-05-15  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/39999
1431         * gimple.h (gimple_expr_type): Use the expression type looking
1432         through useless conversions.
1433         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
1434         (vn_nary_op_insert_stmt): Likewise.
1435         (simplify_binary_expression): Likewise.
1436
1437 2009-05-15  Richard Guenther  <rguenther@suse.de>
1438
1439         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1440         New options, enabled by default.
1441         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1442         Document.
1443         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
1444         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
1445         * tree-ssa-structalias.c (gate_tree_pta): New function.
1446         (pass_build_alias): Use it.
1447
1448 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
1449
1450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
1451         recurse on an invariant address if a conversion from a pointer
1452         type to a wider integer type is involved.
1453
1454 2009-05-15  Jan Hubicka  <jh@suse.cz>
1455
1456         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1457         * cgraph.h (struct inline_summary): New filed self_wize,
1458         size_inlining_benefit, self_time and time_inlining_benefit.
1459         (struct cgraph_global_info): Replace insns by time ans size fields.
1460         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1461         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1462         (ipcp_update_callgraph): Do not touch function bodies.
1463         * ipa-inline.c: Include except.h
1464         (MAX_TIME): New constant.
1465         (overall_insns): Remove
1466         (overall_size, max_benefit): New static variables.
1467         (cgraph_estimate_time_after_inlining): New function.
1468         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1469         (cgraph_clone_inlined_nodes): Update size.
1470         (cgraph_mark_inline_edge): Update size.
1471         (cgraph_estimate_growth): Use size info.
1472         (cgraph_check_inline_limits): Check size.
1473         (cgraph_default_inline_p): Likewise.
1474         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1475         (cgraph_decide_recursive_inlining): Check size.
1476         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1477         times.
1478         (cgraph_decide_inlining): Likewise.
1479         (cgraph_decide_inlining_incrementally): Likewise; honor
1480         PARAM_EARLY_INLINING_INSNS.
1481         (likely_eliminated_by_inlining_p): New predicate.
1482         (estimate_function_body_sizes): New function.
1483         (compute_inline_parameters): Use it.
1484         * except.c (must_not_throw_labels): New function.
1485         * except.h (must_not_throw_labels): Declare.
1486         * tree-inline.c (init_inline_once): Kill inlining_weigths
1487         * tree-ssa-structalias.c: Avoid uninitialized warning.
1488         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1489         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1490         (PARAM_INLINE_CALL_COST): Remove.
1491         (PARAM_EARLY_INLINING_INSNS): New.
1492         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
1493         (inline-call-cost): Remove.
1494         (early-inlining-insns): New.
1495
1496 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1497
1498         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
1499         for bounds.
1500         (print_int_cst_bounds_in_octal_p): Likewise.
1501         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
1502         with subtypes.
1503         * dwarf2out.c (base_type_die): Likewise.
1504         (is_subrange_type): Delete.
1505         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
1506         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
1507         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
1508         the destination type is boolean.
1509         (build_range_check): Do not special-case subtypes.
1510         (fold_sign_changed_comparison): Likewise.
1511         (fold_unary): Likewise.
1512         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
1513         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
1514         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
1515         * tree.c (subrange_type_for_debug_p): New predicate based on the former
1516         is_subrange_type.
1517         * tree.h (subrange_type_for_debug_p): Declare.
1518         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
1519         (convert_affine_scev): Remove call to above function.
1520         (chrec_convert_aggressive): Likewise.
1521         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
1522         false for conversions involving subtypes.
1523         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
1524         (vrp_val_min): Likewise.
1525         (needs_overflow_infinity): Likewise.
1526         (extract_range_from_unary_expr): Likewise.
1527
1528 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
1529
1530         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1531         * config/frv/frv.c: Likewise.
1532         * config/s390/s390.c: Likewise.
1533         * config/sparc/sparc.h: Likewise.
1534         * config/i386/i386.h: Likewise.
1535         * config/i386/i386.c: Likewise.
1536         * config/crx/crx.c: Likewise.
1537         * config/m68hc11/m68hc11.h: Likewise.
1538         * config/iq2000/iq2000.c: Likewise.
1539         * config/mn10300/mn10300.h: Likewise.
1540         * config/mn10300/mn10300.c: Likewise.
1541         * config/m68k/m68k.c: Likewise.
1542         * config/rs6000/rs6000.c: Likewise.
1543         * config/rs6000/xcoff.h: Likewise.
1544         * config/rs6000/linux64.h: Likewise.
1545         * config/rs6000/sysv4.h: Likewise.
1546         * config/score/score3.c: Likewise.
1547         * config/score/score7.c: Likewise.
1548         * config/score/score.c: Likewise.
1549         * config/arm/arm.md: Likewise.
1550         * config/mips/mips.c: Likewise.
1551         * config/mips/mips.md: Likewise.
1552         * config/bfin/bfin.h: Likewise.
1553         * config/pa/pa.c: Likewise.
1554         * config/pa/constraints.md: Likewise.
1555
1556         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
1557         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
1558         * config/pdp11/pdp11.h: Use memory_address_p instead.
1559
1560 2009-05-14  Ian Lance Taylor  <iant@google.com>
1561
1562         * passes.c (finish_optimization_passes): Change i to int.
1563         * plugin.c (plugins_active_p): Change event to int.
1564         (dump_active_plugins): Likewise.
1565         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
1566         Add cast.
1567         * tree.c (tree_range_check_failed): Change c to unsigned int.
1568         (omp_clause_range_check_failed): Likewise.
1569         (build_common_builtin_nodes): Change mode to int.  Add cast.
1570         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
1571         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
1572
1573         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
1574         ++ or -- with a variable of enum type.
1575
1576 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1577
1578         PR driver/40144
1579         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
1580
1581 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1582
1583         * store-motion.c: Do not include params.h
1584         * Makefile.in: Fix dependencies for various files.
1585
1586 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1587
1588         * auto-inc-dec.c: Fix pass description, remove apparent
1589         accidental duplication.
1590
1591 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1592
1593         PR middle-end/40147
1594         * ipa-utils.h (memory_identifier_string): Moved to ...
1595         * tree.h (memory_identifier_string): Here.  Add GTY(()).
1596
1597 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1598
1599         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
1600         in the former documentation of...
1601         (GO_IF_LEGITIMATE_ADDRESS): ... this.
1602         * ira-conflicts.c (get_dup_num): Use address_operand.
1603         * targhooks.c (default_legitimate_address_p): New.
1604         * targhooks.h (default_legitimate_address_p): New.
1605         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
1606         Call hook.
1607         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
1608         * target.h (struct target): Add legitimate_address_p.
1609         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
1610         (TARGET_INITIALIZER): Include it.
1611
1612         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1613         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
1614         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
1615         (TARGET_LEGITIMATE_ADDRESS_P): New.
1616
1617         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1618         (REG_OK_STRICT_P): Delete.
1619         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
1620         (frv_legitimate_address_p_1): ... this.
1621         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
1622         (frv_legitimate_address_p_1): ... the renamed old
1623         frv_legitimate_address_p.
1624         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
1625         (TARGET_LEGITIMATE_ADDRESS_P): New.
1626
1627         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1628         * config/s390/s390-protos.h (legitimate_address_p): Remove.
1629         * config/s390/s390.c (legitimate_address_p): Rename to...
1630         (s390_legitimate_address_p): ... this, make static.
1631         (legitimize_address): Adjust call.
1632         (TARGET_LEGITIMATE_ADDRESS_P): New.
1633         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
1634
1635         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1636         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
1637         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
1638         (TARGET_LEGITIMATE_ADDRESS_P): New.
1639
1640         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1641         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
1642         * config/spu/spu.c (spu_legitimate_address): Rename to...
1643         (spu_legitimate_address_p): ... this, make static.
1644         (TARGET_LEGITIMATE_ADDRESS_P): New.
1645
1646         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1647         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
1648         * config/sparc/sparc.c (legitimate_address_p): Rename to...
1649         (sparc_legitimate_address_p): ... this, make static and return bool.
1650         (legitimize_address): Adjust call.
1651         (TARGET_LEGITIMATE_ADDRESS_P): New.
1652
1653         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1654         * config/i386/i386-protos.h (legitimate_address_p): Remove.
1655         * config/i386/i386.c (legitimate_address_p): Rename to...
1656         (ix86_legitimate_address_p): ... this, make static.
1657         (constant_address_p): Move after it, adjust call.
1658         (TARGET_LEGITIMATE_ADDRESS_P): New.
1659
1660         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1661         * config/avr/avr-protos.h (legitimate_address_p): Remove.
1662         * config/avr/avr.c (legitimate_address_p): Rename to...
1663         (avr_legitimate_address_p): ... this, make static.
1664         (legitimize_address): Adjust call.
1665         (TARGET_LEGITIMATE_ADDRESS_P): New.
1666
1667         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1668         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
1669         * config/crx/crx.c (crx_legitimate_address_p): Make static.
1670         (TARGET_LEGITIMATE_ADDRESS_P): New.
1671
1672         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1673         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
1674         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
1675         (TARGET_LEGITIMATE_ADDRESS_P): New.
1676
1677         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1678         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
1679         Remove.
1680         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1681         Make static.
1682         (TARGET_LEGITIMATE_ADDRESS_P): New.
1683
1684         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1685         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
1686         Remove.
1687         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
1688         Rename to...
1689         (m68hc11_legitimate_address_p): ... this, make static.
1690         (go_if_legitimate_address_internal): Rename to...
1691         (m68hc11_legitimate_address_p_1): ... this.
1692         (legitimize_address): Adjust call.
1693         (TARGET_LEGITIMATE_ADDRESS_P): New.
1694
1695         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1696         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
1697         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
1698         (TARGET_LEGITIMATE_ADDRESS_P): New.
1699
1700         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1701         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
1702         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
1703         (mn10300_legitimate_address_p): ... this, make static.
1704         (TARGET_LEGITIMATE_ADDRESS_P): New.
1705
1706         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1707         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
1708         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
1709         (TARGET_LEGITIMATE_ADDRESS_P): New.
1710
1711         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1712         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
1713         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
1714         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1715         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
1716         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
1717         (rs6000_legitimate_address_p): ... this, make static.
1718         (TARGET_LEGITIMATE_ADDRESS_P): New.
1719         (REG_MODE_OK_FOR_BASE_P): Delete.
1720         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
1721
1722         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1723         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
1724         Delete.
1725         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
1726         static, adjust types.
1727         (TARGET_LEGITIMATE_ADDRESS_P): New.
1728
1729         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1730         * config/score/score.c (score_address_p): Rename to...
1731         (score_legitimate_address_p): ... this.
1732         (TARGET_LEGITIMATE_ADDRESS_P): New.
1733         * config/score/score3.c (score3_address_p): Rename to...
1734         (score3_legitimate_address_p): ... this.
1735         * config/score/score7.c (score7_address_p): Rename to...
1736         (score7_legitimate_address_p): ... this.
1737
1738         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
1739         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
1740         GO_IF_LEGITIMATE_ADDRESS): Delete.
1741         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
1742         thumb2_legitimate_address_p): Delete.
1743         (arm_legitimate_address_p): Rename to...
1744         (arm_legitimate_address_outer_p): ... this.
1745         * config/arm/constraints.md ("Uq"): Adjust call.
1746         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
1747         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
1748         (arm_legitimate_address_outer_p): ... this.
1749         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
1750         (TARGET_LEGITIMATE_ADDRESS_P): New.
1751
1752         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1753         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
1754         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
1755         (TARGET_LEGITIMATE_ADDRESS_P): New.
1756
1757         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1758         * config/vax/vax-protos.h (legitimate_address_p): Remove.
1759         * config/vax/vax.c (legitimate_address_p): Rename to...
1760         (vax_legitimate_address_p): ... this, make static.
1761         (TARGET_LEGITIMATE_ADDRESS_P): New.
1762
1763         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1764         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
1765         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
1766         (TARGET_LEGITIMATE_ADDRESS_P): New.
1767
1768         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1769         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
1770         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
1771         (mmix_legitimate_address_p): ... this, make static.
1772         (TARGET_LEGITIMATE_ADDRESS_P): New.
1773
1774         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1775         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
1776         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
1777         (TARGET_LEGITIMATE_ADDRESS_P): New.
1778
1779 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1780
1781         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
1782         of MODE_COMPLEX_INT.
1783
1784 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1785
1786         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
1787         LCT_NORMAL in function call.
1788         * mips-tdump.c (print_file_desc): Add cast to enum type.
1789         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
1790         (mark_stabs): Add casts to enum types.
1791         (parse_stabs_common): Add casts to enum types.
1792
1793 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1794
1795         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
1796         Check for invalid values of LETTER.
1797
1798 2009-05-13  Taras Glek  <tglek@mozilla.com>
1799
1800         * attribs.c (register_attribute): moved out attribute registration into
1801         register_attribute.
1802         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
1803         * gcc-plugin.h: Added forward decl for register_attribute.
1804         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
1805         * plugin.c (register_callback, invoke_plugin_callbacks): Added
1806         PLUGIN_ATTRIBUTES boilerplate.
1807
1808 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
1809
1810         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
1811         values even in sentinel and empty entries.
1812         (ms_printf_flag_specs):  Likewise.
1813         (ms_scanf_flag_specs):  Likewise.
1814         (ms_strftime_flag_specs):  Likewise.
1815         (ms_print_char_table):  Likewise.
1816         (ms_scan_char_table):  Likewise.
1817         (ms_time_char_table):  Likewise.
1818
1819 2009-05-13  Doug Kwan  <dougkwan@google.com>
1820
1821         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1822
1823 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1824
1825         * config/mips/mips.md (store): Add attributes for QI and HI.
1826         Update comment.
1827         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1828         (truncdi<mode>2): ... this new pattern.
1829
1830 2009-05-13  Brad Hards  <bradh@kde.org>
1831
1832         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1833
1834 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1835             Ben Elliston <bje@au.ibm.com>
1836
1837         PR middle-end/40035
1838         * dse.c (check_mem_read_rtx): Guard against width == -1.
1839
1840 2009-05-13  Michael Matz  <matz@suse.de>
1841
1842         PR middle-end/39976
1843         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1844         (trivially_conflicts_p): New function.
1845         (insert_backedge_copies): Use it.
1846
1847 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1848
1849         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1850         (handle_stdc_pragma): Use new enum constant names.
1851         (handle_pragma_float_const_decimal64): Ditto.
1852
1853 2009-05-13  Ian Lance Taylor  <iant@google.com>
1854
1855         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1856         tree.def.
1857
1858 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1859
1860         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1861         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1862         multilibs.
1863         * config/m68k/m68k.h (FL_UCLINUX): Define.
1864
1865 2009-05-13  Jan Hubicka  <jh@suse.cz>
1866
1867         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1868
1869 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1870
1871         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1872         unless -fschedule-insns is specified.
1873
1874 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1875
1876         PR target/39561
1877         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1878         TARGET_EXPAND_CBRANCHDI4.
1879         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1880         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1881         (cmpeqdi): Fix comment.
1882
1883 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1884
1885         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1886         (sh_legitimate_address_p): Likewise.
1887         * config/sh/sh.c (sh_legitimate_index_p): New.
1888         (sh_legitimate_address_p): Likewise.
1889         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1890         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1891         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1892         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1893         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1894         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1895         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1896         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1897         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1898
1899 2009-05-12  Jan Hubicka  <jh@suse.cz>
1900
1901         * tree-inline.c (estimate_operator_cost): Add operands;
1902         when division happens by constant, it is cheap.
1903         (estimate_num_insns): Loads and stores are not having cost of 0;
1904         EH magic stuff is cheap; when computing runtime cost of switch,
1905         use log2 base of amount of its cases; builtin_expect has cost of 0;
1906         compute cost for moving return value of call.
1907         (init_inline_once): Initialize time_based flags.
1908         * tree-inline.h (eni_weights_d): Add time_based flag.
1909
1910 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1911
1912         * df-core.c: Update head documentation.
1913
1914 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1915
1916         PR bootstrap/40118
1917         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1918         shadowing exisiting variable op1.
1919
1920 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1921
1922         PR target/37179
1923         * config/i386/driver-i386.c (processor_signatures): New enum.
1924         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1925         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1926         processor signature to detect geode processor.
1927
1928 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1929
1930         Revert:
1931
1932         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1933
1934         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1935         causes spurious differences between trunk and cond-optab branch.
1936
1937 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1938
1939         * dojump.c (compare_from_rtx): Delete.
1940         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1941         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1942         if the comparison does not satisfy the predicate; test predicates for
1943         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1944         further if one existing pattern fails.
1945         * expr.h (compare_from_rtx): Delete.
1946         (prepare_operand): Declare it.
1947         * optabs.c: Change "lib call" to "libcall" throughout.
1948         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1949         HAVE_conditional_trap, emit_cmp_insn): Delete.
1950         (can_compare_p): Delete cmp_optab case.
1951         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1952         Accept other parameters by value.
1953         (prepare_operand): Make non-static.
1954         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1955         other parameters by value.  Try to widen operands here based on
1956         an optab_methods argument and looking at cbranch_optab.
1957         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1958         loop.  Use cbranch_optab directly.
1959         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1960         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1961         assertion.
1962         (emit_conditional_move, emit_conditional_add): Inline what's needed
1963         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1964         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1965         with COMPARE.  Move cmov_optab and cstore_optab above
1966         with cbranch_optab, move cmp_optab down with ucmp_optab,
1967         remove tst_otpab.  Do not initialize trap_rtx.
1968         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1969         for trap code.  Do not check HAVE_conditional_trap.  Use
1970         prepare_cmp_insn.  Accept no predicate for operand 3.
1971         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1972         (OTI_ctrap, ctrap_optab): New.
1973         (tst_optab): Delete.
1974         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1975         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1976         with lookup of ctrap_optab.
1977         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1978         setcc_gen_code): Delete.
1979         (ctrap_optab): New.
1980
1981         * combine.c (combine_simplify_rtx, simplify_set): Do not
1982         special case comparing against zero for cc0 machines.
1983         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1984         COMPARE on cc0 machines.
1985         (simplify_relational_operation): Return a new expression when
1986         a COMPARE could be removed.
1987         * final.c (final_scan_insn): Compare cc_status values
1988         against LHS of a (compare FOO (const_int 0)) cc0 source.
1989         Also check if cc_status.value is the full compare.
1990
1991         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1992         (cstoreMM4): Document.
1993         (conditional_trap): Document ctrapMM4 instead.
1994         (sync_compare_and_swapMM): Refer to cbranchcc4.
1995         (Dependent Patterns): Eliminate obsolete information referring to
1996         the old jump optimization phase.
1997         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1998         of compares with 0 on cc0 machines.
1999         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
2000         avoiding references to cc0.  Remove text about storing operands
2001         in cmpMM.
2002         * doc/tm.texi (Condition Codes): Include blurb on different
2003         condition code representations, separate into subsections for
2004         CC0, MODE_CC and conditional execution.
2005
2006         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
2007         alpha_emit_setcc): Accept operands and a machine mode.
2008         * config/alpha/alpha.c (alpha_emit_conditional_branch):
2009         Get code/op0/op1 from operands, use machine mode argument
2010         instead of alpha_compare.fp_p.  Emit the branch here.
2011         (alpha_emit_setcc): Likewise, and return boolean.
2012         (alpha_emit_conditional_move): Likewise.  Assert that
2013         cmp_op_mode == cmp_mode, and simplify accordingly.
2014         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
2015         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
2016         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
2017         Delete.
2018         (stack probe test): Use cbranchdi4.
2019         * config/alpha/predicates.md (alpha_cbranch_operator): New.
2020
2021         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
2022         * config/arc/arc.h (movsicc, movsfcc): Use it.
2023         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
2024         (cbranchsi4, cstoresi4): New.
2025         (cmpsi, bCC and sCC expanders): Remove. 
2026
2027         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
2028         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
2029         * config/arm/predicates.md (arm_comparison_operator): Only include
2030         floating-point operators if there is a hardware floating-point unit.
2031         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
2032         deferring to cbranch_cc and cstore_cc respectively.
2033         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
2034         cbranch_cc, cstore_cc): New.
2035         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
2036         arm_compare_op1.
2037         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
2038
2039         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
2040         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
2041         as an argument.
2042         (adjust_insn_length): Adjust calls.
2043         (avr_reorg): Handle (compare (foo) (const_int 0)).
2044         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
2045         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
2046         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
2047         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
2048         (bCC): Remove.
2049         (cbranchqi4, cbranchhi4, cbranchsi4): New.
2050         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
2051
2052         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
2053         (cbranchsi4, cstorebi4, cstoresi4): New.
2054         (movbisi): This insn is duplicate, split it to zero_extend.
2055         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
2056         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
2057         (bfin_optimize_loop): Use cbranch expander.
2058         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
2059         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
2060         (bfin_bimode_comparison_operator): ... this.
2061         (bfin_direct_comparison_operator): New.
2062  
2063         * config/cris/cris.c (cris_normal_notice_update_cc): Look
2064         inside (compare FOO (const_int 0)).
2065         (cris_rtx_costs): Handle ZERO_EXTRACT.
2066         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
2067         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
2068         (*tstdi_v32): Delete.
2069         (*cmpdi_non_v32): Add M alternative for operand 1.
2070         (cmpsi, cmp<mode>): Make private.
2071         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
2072         with COMPARE.
2073         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
2074
2075         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
2076         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
2077         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
2078         (cc_reg_operand): New.
2079         (any_cond): Delete.
2080         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
2081         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
2082         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
2083         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
2084         crx_expand_scond): Delete.
2085
2086         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
2087         (cbranchsi4): New.
2088         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
2089         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
2090
2091         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
2092         cstoresi4, cstoresf4, cstoredf4): New.
2093         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
2094         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2095         Receive the entire operands array.
2096         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
2097         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
2098         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2099         Get test/op0/op1 from the operands array.
2100         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
2101
2102         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
2103         (h8300_expand_store): New.
2104         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
2105         (const_int 0)).
2106         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
2107         (h8300_expand_store): New.
2108         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
2109         or do not try to produce (set (cc0) REG).
2110         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
2111         change a compare into a move to a scratch register.  Disable some
2112         peepholes when comparing with zero.
2113         (tstsi, tsthi, tstsi, cmpqi): Make private.
2114         (cmphi): Delete.
2115         (bCC, sCC): Delete.
2116         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
2117         cstoresi4): New.
2118
2119         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
2120         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
2121         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
2122         (ix86_emit_i387_log1p): Use cbranchxf2.
2123         (ix86_expand_setcc): Return void.
2124         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
2125         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
2126         cmp<MODEF>, cmpcc): Remove.
2127         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
2128         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
2129         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
2130         (sCC and bCC expanders): Remove.
2131         (stack_protect_test): Use cbranchcc4.
2132
2133         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
2134         Delete.
2135         (ia64_expand_compare): Accept three rtx by reference and return void.
2136         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
2137         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
2138         from *expr.  Update *expr with the BImode comparison to do.
2139         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
2140         cmptf, bCC, sCC, conditional_trap): Delete.
2141         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
2142         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
2143         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
2144         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
2145         * config/ia64/predicates.md (ia64_cbranch_operator): New.
2146
2147         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
2148         type of last argument.
2149         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
2150         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
2151         use machine mode argument instead of branch_type.  Remove dead
2152         code for floating-point comparisons.
2153         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
2154         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
2155         Remove.
2156         (cbranchsi4, cstoresi4): New.
2157         * config/iq2000/predicates.md (reg_or_const_operand): New.
2158
2159         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
2160         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
2161         (b<code>_op): Rewrite to...
2162         (bcc_op): ... this, using match_operator.
2163         (s<code>_op): Rewrite to...
2164         (scc_op): ... this, using match_operator.
2165         (s<code>_24_op): Rewrite to...
2166         (scc_op_24): ... this, using match_operator.
2167         (s<code>_<mode>): Rewrite to...
2168         (cstore<mode>4): ... this, using match_operator.
2169         (s<code>_<mode>_24): Rewrite to...
2170         (cstore<mode>4_24): ... this, using match_operator.
2171         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
2172         m32c_unpend_compare, m32c_expand_scc): Delete.
2173         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
2174         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
2175         (m32c_expand_movcc): Change NE to EQ if necessary.
2176         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
2177
2178         * config/m32r/m32r-protos.h (gen_cond_store): New.
2179         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
2180         (gen_cond_store): New, from sCC patterns.
2181         (m32r_expand_block_move): Use cbranchsi4.
2182         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
2183         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
2184         (cbranchsi4, cstoresi4): New.
2185         
2186         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
2187         Delete.
2188         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
2189         (m68hc11_notice_update_cc): Look into a compare with 0.
2190         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
2191         Delete.
2192         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
2193         cmphi, cmpqi, bCC): Delete.
2194         (cbranchsi4, cbranchhi4, cbranchqi4): New.
2195         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
2196         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
2197         sets with COMPARE.
2198
2199         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
2200         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
2201         * config/m68k/constraints.md (H): New.
2202         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
2203         the define_insn below.
2204         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
2205         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
2206         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
2207         patterns): Wrap RHS with COMPARE.
2208         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
2209         (*cmpdi_internal): Name this pattern.
2210         (cmpdi): Change to define_insn.
2211         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
2212         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
2213         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
2214         predicate.
2215         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
2216         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
2217         (conditional_trap): Change to...
2218         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
2219         (*conditional_trap): Use the ordered_comparison_operator and
2220         const1_operand predicates.
2221         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
2222         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
2223         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
2224         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
2225
2226         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
2227         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
2228         (mcore_gen_compare): New. 
2229         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
2230         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
2231         (mcore_gen_compare): ... this.
2232         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
2233         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
2234         (stack probe pattern): Use cbranchsi4.
2235
2236         * config/mips/predicates.md (mips_cstore_operator): New.
2237         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
2238         * config/mips/mips.md (any_cond): Delete.
2239         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
2240         always succeed.
2241         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
2242         fixuns_truncsfdi2): Use cbranch patterns.
2243         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
2244         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
2245         Adjust call to mips_expand_conditional_branch.
2246         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
2247         cstore<GPR:mode>4.
2248         * config/mips/mips-protos.h (mips_expand_conditional_branch,
2249         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
2250         * config/mips/mips.c (cmp_operands): Delete.
2251         (mips_emit_compare): Get comparison operands from *op0/*op1.
2252         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
2253         that it succeeds.  Use op0/op1 instead of cmp_operands.
2254         (mips_expand_conditional_branch, mips_expand_conditional_move,
2255         mips_expand_conditional_trap): Likewise.
2256         (mips_block_move_loop): Use cbranch patterns. 
2257         * config/mips/mips.h (cmp_operands): Delete.
2258
2259         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
2260         (mmix_gen_compare_reg): Just return a register in the right CC mode.
2261         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
2262         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
2263         (*cmpcc_folded): Rename to...
2264         (*cmpdi_folded): this.
2265         (*cmpcc): Rename to...
2266         (*cmps): ... this.
2267         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
2268         (bCC): Remove.
2269         (cbranchdi4): New.
2270         (cbranchdf4): New.  Handle invalid comparisons here.
2271         * config/mmix/predicates.md (float_comparison_operator): New.
2272
2273         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
2274         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
2275         * config/mn10300/mn10300.md (tst): Delete.
2276         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
2277         Name these patterns and wrap RHS in a compare.
2278         (*cmpsi): Make this pattern private.  Include tst.
2279         (*cmpsf): Make this pattern private.
2280         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
2281         (compare with zero peepholes): Likewise.
2282         (bCC): Remove.
2283         (cbranchsi4, cbranchsf4): New.
2284         (casesi): Use cbranchsi4.
2285
2286         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
2287         hppa_branch_type): Delete.
2288         (return_addr_rtx): Use cbranchsi4.
2289         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
2290         Emit CCFPmode comparison here.
2291         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
2292         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
2293         hppa_branch_type): Delete.
2294         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
2295         (movsicc, movdicc): Remove references to hppa_compare_op0,
2296         hppa_compare_op1 and compare_from_rtx.
2297         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
2298         (casesi): Use cbranchsi4.
2299
2300         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
2301         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
2302         * config/pdp11/pdp11.md (register_or_const0_operand): New.
2303         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
2304         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
2305         (bCC): Delete.
2306         (cbranchdf4, cbranchhi4, cbranchqi4): New.
2307         (*branch, *branch_inverted): New.
2308
2309         * config/picochip/picochip.md (cbranchhi4): Use
2310         ordered_comparison_operator.
2311         (cmphi, bCC): Remove.
2312
2313         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
2314         (trap_comparison_operator): Delete.
2315         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
2316         rs6000_emit_cbranch): Accept mode and operands.
2317         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
2318         rs6000_compare_fp_p): Delete.   
2319         (rs6000_generate_compare): Accept mode and comparison.  Extract code
2320         and op0/op1 from there.  Replace references to rs6000_compare_op0
2321         and rs6000_compare_op1.
2322         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
2323         extract result from passed operands.
2324         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
2325         extract loc from passed operands.
2326         (rs6000_emit_cmove): Likewise.
2327         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
2328         rs6000_compare_fp_p): Delete.
2329         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
2330         (cbranch<GPR>4, cbranch<FP>4): New.
2331         (cstore<mode>4): New.  Consolidate here all choices about when to use
2332         portable or specialized sCC sequences.
2333         (stack_protect_test): Use cbranchsi4.
2334         (conditional_trap): Replace with ctrap<GPR>4.
2335         (conditional trap insn): Replace trap_comparison_operator with
2336         ordered_comparison_operator. 
2337
2338         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
2339         (s390_emit_prologue): Use ctrap.
2340         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
2341         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
2342         New predicates replacing...
2343         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
2344         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
2345         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
2346         (add<mode>cc): Do not use s390_compare_op0/op1.
2347         (s<code>): Change to...
2348         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
2349         (seq): Change to...
2350         (cstorecc4): ... this.  Handle EQ or NE equally.
2351         (*sne): Un-privatize for use in cstorecc4.
2352         (b<code>): Change to...
2353         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
2354         (conditional_trap): Replace with...
2355         (ctrap<GPR>4, ctrap<FP>4): ... these.
2356         (stack_protect): Use cbranchcc4.
2357
2358         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
2359         * config/score/score-protos.h (score_gen_cmp): Delete.
2360         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
2361         (score_block_move-loop): Use cbranchsi4.
2362         * config/score/score.md (cbranchsi4): New.
2363         (cmpsi, bCC): Delete.
2364         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
2365         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2366         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
2367         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2368         * config/score/score3.h (score3_gen_cmp): Delete.
2369         * config/score/score7.h (score7_gen_cmp): Delete.
2370
2371         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
2372         (sh_emit_scc_to_t): ... this.  Return void.
2373         (from_compare): Rename to...
2374         (sh_emit_compare_and_branch): ... this.
2375         (sh_emit_compare_and_set): New.
2376         (sh_expand_t_scc): Accept operands.
2377         * config/sh/predicates.md (sh_float_comparison_operator): New.
2378         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
2379         (prepare_scc_operands): Rename to...
2380         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
2381         arguments.
2382         (sh_emit_cheap_store_flag): New.
2383         (sh_emit_set_t_insn): New.
2384         (from_compare): Rename to...
2385         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
2386         handling of TARGET_SH2E floating point to avoid recursive call.
2387         Generate branch here.
2388         (sh_emit_compare_and_set): New.
2389         (sh_expand_t_scc): Get op0/op1 from arguments.
2390         (sh_emit_cheap_store_flag): New.
2391         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
2392         cases.
2393         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
2394         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
2395         (movsicc, movdicc): Do nothing when it recreated operands from
2396         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
2397         prepare_scc_operands (now sh_emit_scc_to_t).
2398         (udivdi3): Use cstoresi4.
2399         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
2400         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
2401         (cbranchint4_media, cbranchfp4_media): New.
2402         (casesi): Use cbranchdi4.
2403         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
2404         Delete.
2405         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
2406         (movnegt): Remove second operand.
2407         (cbranchsf4, cbranchdf4): New.
2408         (stack_protect): Use cbranchdi4/cbranchsi4.
2409
2410         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
2411         (gen_compare_reg): Accept comparison, extract part of it to...
2412         (gen_compare_reg_1): ... this. 
2413         (gen_compare_operator): Delete.
2414         (gen_v9_scc): Accept separate destination, comparison code and arms.
2415         Do not use sparc_compare_op0/sparc_compare_op1.
2416         (emit_scc_insn, emit_conditional_branch_insn): New.
2417         (emit_v9_brxx): Make static.  Remove useless assertion.
2418         (sparc_emit_float_lib_cmp): Return RTL instead of calling
2419         emit_cmp_insn.
2420         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
2421         * config/sparc/sparc-protos.h (gen_compare_reg,
2422         sparc_emit_float_lib_cmp): Adjust prototype.
2423         (emit_scc_insn, emit_conditional_branch_insn): New.
2424         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
2425         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
2426         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
2427         iterators to the top.
2428         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
2429         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
2430         snedi_special_trunc): Delete.
2431         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
2432         and snedi_special_trunc.
2433         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
2434         cbranchdi4, cbranch<F:mode>4): New.
2435         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
2436         here.  Use gen_compare_reg instead of gen_compare_operator.
2437         (conditional_trap): Replace with...
2438         (ctrapsi4, ctrapdi4): ... this.
2439         (stack_protect_test): Use cbranchcc4.
2440
2441         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
2442         argument to rtx.
2443         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
2444         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
2445         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
2446         from operands[0] or operands[3] depending on is_set.
2447         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
2448         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
2449         cmpdf, bCC), sCC: Remove.
2450         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
2451         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
2452         cstoredf4): New.
2453         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
2454         spu_emit_branch_or_set.
2455
2456         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
2457         Add two arguments.
2458         * config/stormy16/stormy16.h (xstormy16_compare_op0,
2459         xstormy16_compare_op1): Delete.
2460         * config/stormy16/stormy16.c (xstormy16_compare_op0,
2461         xstormy16_compare_op1): Delete. 
2462         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
2463         Adjust calls.
2464         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
2465         (cmphi, cmpsi, bCC): Remove.
2466
2467         * config/v850/v850.md (tstsi, cmpsi): Fold into...
2468         (*cmpsi): ... this one.
2469         (cbranchsi4, cstoresi4): New.
2470         (bCC expanders): Delete.
2471         (sCC insns): Fold into...
2472         (*setcc): ... this one.
2473         (casesi): Do not use gen_cmpsi and gen_bgtu. 
2474         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
2475         (movsicc): Simplify.
2476         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
2477
2478         * config/vax/vax-protos.h (cond_name): New.
2479         (vax_output_conditional_branch): Remove.
2480         * config/vax/vax.c (cond_name): New.
2481         (vax_output_conditional_branch): Remove.
2482         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
2483         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
2484         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
2485         (bit<VAXint>): Wrap source with (compare).
2486         (b<code> and following unnamed pattern): Rename to *branch and
2487         *branch_reversed.  Change macroization to match_operator.
2488         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
2489
2490         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
2491         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
2492         Change last argument to machine_mode.
2493         (xtensa_expand_scc): Add machine_mode argument.
2494         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
2495         (gen_conditional_move, xtensa_expand_conditional_branch,
2496         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
2497         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
2498         Adjust operand numbers.
2499         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
2500         Delete.
2501         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
2502         (cmpsi, cmpsf, b<code>, s<code>): Delete.
2503         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
2504
2505 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2506
2507         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2508         causes spurious differences between trunk and cond-optab branch.
2509
2510 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2511
2512         PR target/37137
2513         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
2514
2515 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2516
2517         * tree.c (iterative_hash_pointer): Delete.
2518         (iterative_hash_expr): Short-circuit handling of NULL pointer.
2519         Hash UIDs and versions of SSA names.  Don't special-case built-in
2520         function declarations.
2521
2522 2009-05-11  Ian Lance Taylor  <iant@google.com>
2523
2524         PR bootstrap/40103
2525         * graphite.c: Force -Wc++-compat to only be a warning before
2526         #including "cloog/cloog.h".
2527
2528 2009-05-11  Martin Jambor  <mjambor@suse.cz>
2529
2530         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2531         
2532 2009-05-11  Jan Hubicka  <jh@suse.cz>
2533
2534         * tree-ssa-loop-ivcanon.c: Include target.h
2535         (struct loop_size): new structure.
2536         (constant_after_peeling): New predicate.
2537         (tree_estimate_loop_size): New function.
2538         (estimated_unrolled_size): Rewrite for new estimates.
2539         (try_unroll_loop_completely): Use new estimates.
2540         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
2541
2542 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2543
2544         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
2545         libcpp interface change.
2546         (spu_macro_to_expand): Likewise.
2547
2548 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2549
2550         PR tree-optimization/40026
2551         * gimplify.c (gimplify_init_constructor): Change initial conditional
2552         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
2553         optimize_compound_literals_in_ctor.
2554
2555 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2556
2557         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
2558         New devices.
2559         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
2560
2561 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2562
2563         * tree-vect-data-refs.c (vect_analyze_group_access): Use
2564         HOST_WIDE_INT for gap.
2565
2566 2009-05-11  Ira Rosen  <irar@il.ibm.com>
2567
2568         PR tree-optimization/40074
2569         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
2570         account in group size and step comparison.
2571
2572 2009-05-11  Richard Guenther  <rguenther@suse.de>
2573
2574         * passes.c (init_optimization_passes): Strip now incorrect comment.
2575         (execute_function_todo): Do not set PROP_alias.
2576         * tree-pass.h (PROP_alias): Remove.
2577         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
2578         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
2579         * tree-nrv.c (pass_return_slot): Likewise.
2580         * tree-object-size.c (pass_object_sizes): Likewise.
2581         * tree-ssa-dom.c (pass_dominator): Likewise.
2582         (pass_phi_only_cprop): Likewise.
2583         * tree-ssa-dse.c (pass_dse): Likewise.
2584         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2585         (pass_cselim): Likewise.
2586         * tree-ssa-pre.c (pass_pre): Likewise.
2587         (pass_fre): Likewise.
2588         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2589         * tree-ssa-sink.c (pass_sink_code): Likewise.
2590         * tree-stdarg.c (pass_stdarg): Likewise.
2591         * tree-tailcall.c (pass_tail_calls): Likewise.
2592         * tree-vrp.c (pass_vrp): Likewise.
2593
2594 2009-05-10  Ian Lance Taylor  <iant@google.com>
2595
2596         * basic-block.h (enum profile_status): Break out of struct
2597         control_flow_graph.
2598         * cgraph.h (struct inline_summary): Break out of struct
2599         cgraph_local_info.
2600         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
2601         of struct cgraph_order_sort.
2602         * combine.c (enum undo_kind): New enum, broken out of struct undo.
2603         * cse.c (struct branch_path): Break out of struct
2604         cse_basic_block_data.
2605         * except.h (enum eh_region_type): Break out of struct eh_region.
2606         * gcc.c (enum add_del): Break out of struct modify_target.
2607         * genrecog.c (enum decision_type): Break out of struct decision_test.
2608         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
2609         ggc_pch_data.
2610         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
2611         * regmove.c (enum match_use): New enum, broken out of struct match.
2612         * sched-int.h (enum post_call_group): New enum, broken out of
2613         struct deps.
2614         (struct deps_reg): Break out of struct deps.
2615         * target.h (struct asm_int_op): Break out of struct gcc_target.
2616         * tree-eh.c (struct goto_queue_node): Break out of struct
2617         leh_tf_state.
2618         * tree-inline.h (enum copy_body_cge_which): Break out of
2619         copy_body_data.
2620         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
2621
2622         * c-decl.c (in_struct, struct_types): New static variables.
2623         (pushtag): Add loc parameter.  Change all callers.
2624         (lookup_tag): Add ploc parameter.  Change all callers.
2625         (check_compound_literal_type): New function.
2626         (parser_xref_tag): Add loc parameter.  Change all callers.  If
2627         -Wc++-compat, warn about struct/union/enum types defined within a
2628         struct or union.
2629         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
2630         and loc parameters.  Change all callers.  Change error calls to
2631         error_at, using loc.  For a redefinition, if the location of the
2632         original definition is known, report it.  Set in_struct and
2633         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
2634         (finish_struct): Add new parameters enclosing_in_struct and
2635         enclosing_struct_types.  Change all callers.  Set
2636         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
2637         in the struct.  If in a struct, add this struct to struct_types.
2638         (start_enum): Add loc parameter.  Change all callers.  Use
2639         error_at for errors, using loc.  For a redefinition, if the
2640         location of the original definition is known, report it.  If in a
2641         struct, add this enum type to struct_types.  If -Wc++-compat warn
2642         if in sizeof, typeof, or alignof.
2643         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
2644         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
2645         (c_parser_enum_specifier): Get enum location for start_enum.
2646         (c_parser_struct_or_union_specifier): Get struct location for
2647         start_struct.  Save in_struct and struct_types status between
2648         start_struct and finish_struct.
2649         (c_parser_cast_expression): Get location of cast.
2650         (c_parser_alignof_expression): Get location of type.
2651         (c_parser_postfix_expression): Likewise.
2652         (c_parser_postfix_expression_after_paren_type): Add type_loc
2653         parameter.  Change all callers.  Call check_compound_literal_type.
2654         Use type_loc for error about variable size type.
2655         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
2656         of an enum constant from an enum type defined in a struct or union.
2657         (c_cast_expr): Add loc parameter.  Change all callers.  If
2658         -Wc++-compat, warn about defining a type in a cast.
2659         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
2660         (start_enum, start_struct, finish_struct): Update declarations.
2661         (parser_xref_tag, c_cast_expr): Update declarations.
2662         (check_compound_literal_type): Declare.
2663
2664 2009-05-11  Ben Elliston  <bje@au.ibm.com>
2665
2666         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
2667         for recent libcpp interface change.
2668         (rs6000_macro_to_expand): Likewise.
2669
2670 2009-05-10  Michael Matz  <matz@suse.de>
2671
2672         PR target/40031
2673         * config/arm/arm.c (require_pic_register): Emit on entry edge,
2674         not at entry of function.
2675
2676 2009-05-10  Richard Guenther  <rguenther@suse.de>
2677
2678         PR tree-optimization/40081
2679         Revert
2680         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2681         using the main variant of the element type.  Do not fiddle with
2682         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2683
2684         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
2685         structs with volatile fields.
2686
2687 2009-05-10  Jan Hubicka  <jh@suse.cz>
2688
2689         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
2690         (estimate_move_cost): Assert that it does not get called for
2691         VOID_TYPE_P.
2692         (estimate_num_insns): Skip VOID types in argument handling.
2693         (optimize_inline_calls): Delete unreachable blocks and verify that
2694         callgraph is valid.
2695
2696 2009-05-10  Jan Hubicka  <jh@suse.cz>
2697
2698         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
2699         * cgraph.c (cgraph_mark_address_taken_node): New function.
2700         (dump_cgraph_node): Dump new flag.
2701         * cgraph.h (struct cgraph_node): Add address_taken.
2702         (cgraph_mark_address_taken_node): New function.
2703         * ipa.c (cgraph_postorder): Prioritize functions with address taken
2704         since new direct calls can be born.
2705
2706 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2707
2708         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
2709         tok->val.node.node.
2710
2711 2009-05-10  Jan Hubicka  <jh@suse.cz>
2712
2713         PR middle-end/40084
2714         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
2715         argument; rewrite.
2716         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
2717         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
2718         * tree-inline.c (copy_bb): Set frequency correctly.
2719         (fold_marked_statements): Update call to
2720         cgraph_update_edges_for_call_stmt.
2721
2722 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2723
2724         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
2725         identifiers in diagnostics.
2726         * config/arm/arm.c (arm_handle_fndecl_attribute,
2727         arm_handle_isr_attribute): Likewise.
2728         * config/avr/avr.c (avr_handle_progmem_attribute,
2729         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
2730         * config/bfin/bfin.c (handle_int_attribute,
2731         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
2732         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
2733         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
2734         Likewise.
2735         * config/darwin.c (darwin_handle_kext_attribute,
2736         darwin_handle_weak_import_attribute): Likewise.
2737         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
2738         h8300_handle_eightbit_data_attribute,
2739         h8300_handle_tiny_data_attribute): Likewise.
2740         * config/i386/i386.c (ix86_handle_cconv_attribute,
2741         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
2742         * config/i386/winnt.c (ix86_handle_shared_attribute,
2743         ix86_handle_selectany_attribute): Likewise.
2744         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2745         * config/m32c/m32c.c (function_vector_handler): Likewise.
2746         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
2747         m68hc11_handle_fntype_attribute): Likewise.
2748         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2749         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2750         * config/mips/mips.c (mips_insert_attributes,
2751         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
2752         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
2753         rs6000_handle_struct_attribute): Likewise.
2754         * config/sh/sh.c (sh_insert_attributes,
2755         sh_handle_resbank_handler_attribute,
2756         sh_handle_interrupt_handler_attribute,
2757         sh2a_handle_function_vector_handler_attribute,
2758         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2759         Likewise.
2760         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
2761         * config/spu/spu.c (spu_handle_fndecl_attribute,
2762         spu_handle_vector_attribute): Likewise.
2763         * config/stormy16/stormy16.c
2764         (xstormy16_handle_interrupt_attribute): Likewise.
2765         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
2766         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2767
2768 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2769
2770         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
2771         (pp_translate_identifiers): New.
2772         (pp_identifier): Only conditionally translate identifier to locale
2773         character set.
2774         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
2775         (pp_base_tree_identifier): Only conditionally translate identifier
2776         to locale character set.
2777         * c-pretty-print.c (M_): Define.
2778         (pp_c_type_specifier, pp_c_primary_expression): Mark English
2779         fragments for conditional translation with M_.
2780         * tree-pretty-print.c (maybe_init_pretty_print): Disable
2781         identifier translation.
2782
2783 2009-05-10  Richard Guenther  <rguenther@suse.de>
2784
2785         PR tree-optimization/40081
2786         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2787         using the main variant of the element type.  Do not fiddle with
2788         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2789
2790 2009-05-09  Jan Hubicka  <jh@suse.cz>
2791
2792         PR middle-end/40080
2793         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
2794         indirect calls; verify cgraph afterwards.
2795
2796 2009-05-09  Jan Hubicka  <jh@suse.cz>
2797
2798         PR bootstrap/40082
2799         * ipa.c (update_inlined_to_pointer): New function.
2800         (cgraph_remove_unreachable_nodes): Use it.
2801
2802 2009-05-09  Jan Hubicka  <jh@suse.cz>
2803
2804         * tree-eh.c (struct leh_state): Remove prev_try.
2805         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
2806         not track prev_try.
2807         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
2808         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
2809         remove_eh_handler_and_replace, foreach_reachable_handler,
2810         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2811         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2812         (gen_eh_region_cleanup): Update prototype.
2813
2814 2009-05-09  Jan Hubicka  <jh@suse.cz>
2815
2816         PR middle-end/40043
2817         * except.c (copy_eh_region): Always set prev_try.
2818         (redirect_eh_edge_to_label): Find outer try.
2819         (foreach_reachable_handler): When looking for prev try
2820         handle case where previous try is not going to be taken.
2821
2822 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2823
2824         PR tree-optimization/40049
2825         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2826         only vector/vector shifts, convert the type of the constant to the
2827         appropriate type to avoid building incorrect trees, which
2828         eventually have problems with garbage collection.
2829
2830 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2831
2832         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2833         -1 for complex floating-point types if honoring signed zeros.
2834
2835 2009-05-08  Jan Hubicka  <jh@suse.cz>
2836
2837         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2838         argument; handle correctly when profile is absent.
2839         (build_cgraph_edges): Update.
2840         (rebuild_cgraph_edges): Update.
2841         * cgraph.c: Do not include varray.h.
2842         (cgraph_set_call_stmt_including_clones): New function.
2843         (cgraph_create_edge_including_clones): Likewise
2844         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2845         (cgraph_update_edges_for_call_stmt): Handle clones.
2846         (cgraph_remove_node): Handle clone tree.
2847         (cgraph_remove_node_and_inline_clones): New function.
2848         (dump_cgraph_node): Dump clone tree.
2849         (cgraph_clone_node): Handle clone tree.
2850         (clone_function_name): Bring here from tree-inline.c.
2851         (cgraph_create_virtual_clone): New function.
2852         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2853         (cgraph_clone_info): New function.
2854         (strut cgraph_node): Add clone_info and new clone tree pointers.
2855         (cgraph_remove_node_and_inline_clones,
2856         cgraph_set_call_stmt_including_clones,
2857         cgraph_create_edge_including_clones,
2858         cgraph_create_virtual_clone): Declare.
2859         (cgraph_function_versioning): Use VEC argument.
2860         (compute_call_stmt_bb_frequency): Update prototype.
2861         (cgraph_materialize_all_clones): New function.
2862         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2863         (ipcp_create_replace_map): Update to VECtors.
2864         (ipcp_update_callgraph): Use virtual clones.
2865         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2866         (ipcp_update_profiling): Do not update local profiling.
2867         (ipcp_insert_stage): Use VECtors and virtual clones.
2868         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2869         (clone_of_p): New function.
2870         (cgraph_preserve_function_body_p): Use clone tree.
2871         (cgraph_optimize): Materialize clones.
2872         (cgraph_function_versioning): Update for VECtors.
2873         (save_inline_function_body): Use clone tree.
2874         (cgraph_materialize_clone): New function.
2875         (cgraph_materialize_all_clones): Likewise.
2876         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2877         * ipa.c: Include gimple.h.
2878         (cgraph_remove_unreachable_nodes): Use clone tree.
2879         * ipa-prop.c (ipa_note_param_call): Update call to
2880         compute_call_stmt_bb_frequencycall.
2881         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2882         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2883         (copy_bb): Handle updating of clone tree; add new edge when new call
2884         appears.
2885         (expand_call_inline): Be strict about every call having edge.
2886         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2887         (delete_unreachable_blocks_update_callgraph): New function.
2888         (tree_function_versioning): Use VECtors; always remove unreachable
2889         blocks and fold conditionals.
2890         * tree-inline.h: Do not include varray.h.
2891         (tree_function_versioning): Remove.
2892         * Makefile.in (GTFILES): Remove tree-inline.c
2893         * passes.c (do_per_function): Do only functions having body.
2894         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2895         tree.
2896
2897 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2898             Andrew Morrow  <acm@google.com>
2899
2900         PR c/36892
2901         * c-common.c (c_common_attribute_table): Permit deprecated
2902         attribute to take an optional argument.
2903         (handle_deprecated_attribute): If the optional argument to
2904         __attribute__((deprecated)) is not a string ignore the attribute
2905         and emit a warning.
2906
2907         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2908         * c-typeck.c (build_component_ref): Likewise.
2909         (build_external_ref): Likewise.
2910
2911         * toplev.c (warn_deprecated_use): Add an attribute argument.
2912         Emit the message associated with __attribute__((deprecated)).
2913
2914         * toplev.h (warn_deprecated_use): Updated.
2915
2916         * doc/extend.texi: Document new optional parameter to
2917         __attribute__((deprecated))
2918
2919 2009-05-08  Michael Eager <eager@eagercon.com>
2920
2921         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2922         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2923
2924 2009-05-08  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/40062
2927         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2928         Avoid exponential behavior.
2929
2930 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2931
2932         PR rtl-optimization/33928
2933         PR 26854
2934         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2935         process_uses, build_single_def_use_links): New.
2936         (update_df): Update use_def_ref.
2937         (forward_propagate_into): Use get_def_for_use instead of use-def
2938         chains.
2939         (fwprop_init): Call build_single_def_use_links and let it initialize
2940         dataflow.
2941         (fwprop_done): Free use_def_ref.
2942         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2943         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2944         df_rd_simulate_one_insn): New.
2945         (df_rd_bb_local_compute_process_def): Update head comment.
2946         (df_chain_create_bb): Use the new RD simulation functions.
2947         * df.h (df_rd_simulate_artificial_defs_at_top, 
2948         df_rd_simulate_one_insn): New.
2949         * opts.c (decode_options): Enable fwprop at -O1.
2950         * doc/invoke.texi (-fforward-propagate): Document this.
2951
2952 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2953
2954         PR c/24581
2955         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2956         and one complex operand specially.
2957         * tree-complex.c (some_nonzerop): Do not identify a real value as
2958         zero if flag_signed_zeros.
2959
2960 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2961
2962         PR rtl-optimization/33928
2963         * loop-invariant.c (record_use): Fix && vs. || mishap.
2964
2965 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2966
2967         PR rtl-optimization/33928
2968         * loop-invariant.c (struct use): Add addr_use_p.
2969         (struct def): Add n_addr_uses.
2970         (struct invariant): Add cheap_address.
2971         (create_new_invariant): Set cheap_address.
2972         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2973         (record_uses): Pass df_ref to record_use.
2974         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2975         used only as such.
2976
2977 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2978
2979         * config/sh/sh.c: Do not include c-pragma.h.
2980
2981 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2982
2983         * config/spu/spu.c: Remove include of c-common.h.
2984
2985 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2986
2987         PR c/39037
2988         * c-common.h (mark_valid_location_for_stdc_pragma,
2989         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2990         clear_float_const_decimal64, float_const_decimal64_p): New.
2991         * c.opt (Wunsuffixed-float-constants): New.
2992         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2993         unsuffixed float constant, handle new warning.
2994         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2995         * c-decl.c (c_scope): New flag float_const_decimal64.
2996         (set_float_const_decimal64, clear_float_const_decimal64,
2997         float_const_decimal64_p): New.
2998         (push_scope): Set new flag.
2999         * c-parser.c (c_parser_translation_unit): Mark when it's valid
3000         to use STDC pragmas.
3001         (c_parser_external_declaration): Ditto.
3002         (c_parser_compound_statement_nostart): Ditto.
3003         * c-pragma.c (valid_location_for_stdc_pragma,
3004         mark_valid_location_for_stdc_pragma,
3005         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
3006         handle_pragma_float_const_decimal64): New.
3007         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
3008         * cp/semantics.c (valid_location_for_stdc_pragma_p,
3009         set_float_const_decimal64, clear_float_const_decimal64,
3010         float_const_decimal64_p): New dummy functions.
3011         * doc/extend.texi (Decimal Float): Remove statement that the
3012         pragma, and suffix for double constants, are not supported.
3013         * doc/invoke.texi (Warning Options): List new option.
3014         (-Wunsuffixed-float-constants): New.
3015
3016 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
3017
3018         * config/i386/i386.c: Do not include c-common.h.
3019
3020 2009-05-07  Mark Heffernan  <meheff@google.com>
3021
3022         * doc/invoke.texi (Debugging Options): Document change of debugging
3023         dump location.
3024         * opts.c (decode_options): Make dump_base_name relative to
3025         aux_base_name directory.
3026
3027 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
3028
3029         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
3030         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
3031
3032 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
3033
3034         * Makefile.in (install-plugin): Simplify a bit.
3035
3036 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
3037
3038         * Makefile.in (OBJS-common): Add regcprop.o.
3039         (regcprop.o): New.
3040         * timevar.def (TV_CPROP_REGISTERS): New.
3041         * regrename.c (regrename_optimize): Return 0.
3042         (rest_of_handle_regrename): Delete.
3043         (pass_rename_registers): Point to regrename_optimize.
3044         (struct value_data_entry, struct value_data, 
3045         kill_value_one_regno, kill_value_regno, kill_value,
3046         set_value_regno, init_value_data, kill_clobbered_value,
3047         kill_set_value, kill_autoinc_value, copy_value,
3048         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
3049         replace_oldest_value_reg, replace_oldest_value_addr,
3050         replace_oldest_value_mem, copyprop_hardreg_forward_1,
3051         debug_value_data, validate_value_data): Move...
3052         * regcprop.c: ... here.
3053         (rest_of_handle_cprop): Delete.
3054         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
3055
3056 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
3057
3058         PR middle-end/40057
3059         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
3060         GEN_INT for 1 << bitnum.
3061         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
3062         build_int_cst_type.
3063
3064 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
3065
3066         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
3067         Remove wrong description of "nand" operation.
3068
3069 2009-05-06  Richard Guenther  <rguenther@suse.de>
3070             Adam Nemet  <anemet@caviumnetworks.com>
3071
3072         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
3073         comment.  Add that if LHS is not a gimple register, then RHS1 has
3074         to be a single object (GIMPLE_SINGLE_RHS).
3075
3076 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
3077
3078         * expr.c (get_def_for_expr): Move it up in the file.
3079         (store_field): When expanding a bit-field store, look at the
3080         defining gimple stmt for the masking conversion.
3081
3082 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
3083
3084         PR middle-end/39986
3085         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3086         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
3087         32-bit memcpy into long.
3088
3089 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
3090
3091         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
3092         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
3093         new_reg_loc_descr.
3094         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
3095         instead of appending DW_OP_deref*.
3096
3097 2009-05-06  Michael Matz  <matz@suse.de>
3098
3099         PR middle-end/40021
3100         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
3101         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
3102
3103 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
3104
3105         * Makefile.in (install-plugin): Fix srcdir handling.
3106
3107 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
3108
3109         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
3110         when processing for not_regs_needed bitmap.
3111         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
3112         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
3113         handling it for rhs. 
3114
3115 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3116
3117         * config/i386/i386.md (unnamed inc/dec peephole): Use
3118         optimize_insn_for_size_p instead of optimize_size.
3119         * config/i386/predicates.md (incdec_operand): Likewise.
3120         (aligned_operand): Likewise.
3121         * config/i386/sse.md (divv8sf3): Likewise.
3122         (sqrtv8sf2): Likewise.
3123
3124 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
3127
3128         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
3129
3130 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3131
3132         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
3133         ssemodesuffixf2c with avxmodesuffixf2c.
3134
3135 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
3136
3137         PR c/40032
3138         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
3139
3140 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
3141
3142         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
3143         (struct tree_base): Adjust spacing for 8 bit boundaries.
3144         (struct tree_decl_common): Add decl_by_reference_flag bit.
3145         (DECL_BY_REFERENCE): Adjust.
3146         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
3147         print DECL_BY_REFERENCE bit.
3148         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
3149         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
3150         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
3151         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
3152         unconditionally.
3153
3154         PR middle-end/39666
3155         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
3156         range of the type, but default label is missing, add it with one
3157         of the existing labels instead of adding a new label for it.
3158
3159 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
3160
3161         * dwarf.h: Remove.
3162
3163 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
3164
3165         * Makefile.in (enable_plugin, plugin_includedir): New.
3166         (install): Depend on install-plugin.
3167         (PLUGIN_HEADERS): New.
3168         (install-plugin): New.
3169         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
3170
3171 2009-05-05  Richard Guenther  <rguenther@suse.de>
3172
3173         PR tree-optimization/40022
3174         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
3175         the only vuse.
3176         (phivn_valid_p): Fix tuplification error, simplify.
3177         (phiprop_insert_phi): Add dumps.
3178         (propagate_with_phi): Simplify.
3179
3180 2009-05-05  Richard Guenther  <rguenther@suse.de>
3181
3182         PR middle-end/40023
3183         * builtins.c (gimplify_va_arg_expr): Properly build the address.
3184
3185 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
3186
3187         * tree.h (strip_float_extensions): Remove duplicate declaration.
3188         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
3189         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
3190         block_ultimate_origin): Rearrange the declarations line to match the
3191         comment that indicates the .c file which the functions are defined.
3192         (dwarf2out_*, set_decl_rtl): Add comment.
3193         (get_base_address): Adjust comment.
3194         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
3195         declarations line and add comment.
3196         (is_builtin_name): Add blank after function name, for clarity.
3197
3198 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3199
3200         * attribs.c (decl_attributes): Use %qE for identifiers in
3201         diagnostics.
3202         * cgraphunit.c (verify_cgraph_node): Translate function names to
3203         locale character set in diagnostics.
3204         * coverage.c (get_coverage_counts): Use %qE for identifiers in
3205         diagnostics.
3206         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
3207         Document that functions are named in UTF-8.
3208         * expr.c (expand_expr_real_1): Translate function names to locale
3209         character set in diagnostics.
3210         * gimplify.c (omp_notice_variable, omp_is_private,
3211         gimplify_scan_omp_clauses): Use %qE for identifiers in
3212         diagnostics.
3213         * langhooks.c (lhd_print_error_function): Translate function names
3214         to locale character set.
3215         * langhooks.h (decl_printable_name): Document that return value is
3216         in internal character set.
3217         * stmt.c: Include pretty-print.h
3218         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
3219         diagnostics.
3220         (resolve_operand_name_1): Translate named operand name to locale
3221         character set.
3222         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
3223         diagnostics.
3224         * toplev.c (announce_function): Translate function names to locale
3225         character set.
3226         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
3227         (default_tree_printer): Use pp_identifier or translate identifiers
3228         to locale character set.  Mark "<anonymous>" for translation.
3229         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
3230         for identifiers in diagnostics.
3231         * tree.c (handle_dll_attribute): Use %qE for identifiers in
3232         diagnostics.
3233         * varasm.c (output_constructor): Use %qE for identifiers in
3234         diagnostics.
3235
3236 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
3237
3238         * configure.ac: use ` ` instead of $()
3239         * configure: Regenerate.
3240
3241 2009-05-05  Ben Elliston  <bje@au.ibm.com>
3242
3243         * config/pa/linux-atomic.c: Eliminate conditional include of
3244         errno.h on non-LP64 systems to simplify build requirements.
3245
3246 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3247
3248         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
3249         diagnostics.
3250         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
3251         and pass value to identifier_to_locale.
3252         (warn_variable_length_array): Make name a tree.
3253         (grokdeclarator): Separate diagnostic texts for named and unnamed
3254         declarators.  Use %qE for named declarators.
3255         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
3256         diagnostics.
3257         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
3258         identifiers in diagnostics.
3259         * c-typeck.c (push_member_name, start_init): Pass identifiers to
3260         identifier_to_locale.  Mark "anonymous" strings for translation.
3261
3262 2009-05-04  Michael Eager <eager@eagercon.com>
3263
3264         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
3265         address for DImode/DFmode only if double-precision FP regs.
3266
3267 2009-05-04  Michael Eager <eager@eagercon.com>
3268
3269         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
3270         TARGET_SINGLE_FLOAT check.
3271
3272 2009-05-04  Michael Eager <eager@eagercon.com>
3273
3274         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
3275
3276 2009-05-04  Michael Eager <eager@eagercon.com>
3277
3278         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
3279         * config/rs6000/t-xilinx: New
3280
3281 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
3282
3283         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
3284         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
3285         * gcc/explow.c (memory_address): Use target hook.
3286         * gcc/targhooks.c (default_legitimize_address): New.
3287         * gcc/targhooks.h (default_legitimize_address): New.
3288         * gcc/target.h (legitimize_address): New.
3289         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
3290         (TARGET_INITIALIZER): Include it.
3291         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
3292
3293         * config/bfin/bfin-protos.h (legitimize_address): Remove.
3294         * config/bfin/bfin.c (legitimize_address): Remove.
3295         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
3296         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
3297         Remove.
3298         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
3299         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
3300
3301         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
3302         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
3303         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
3304         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
3305         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
3306         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
3307         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
3308         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
3309         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
3310         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
3311         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
3312         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
3313         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
3314         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
3315         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
3316         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
3317         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
3318         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
3319         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
3320         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
3321         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
3322         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
3323         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
3324
3325         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
3326         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
3327         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
3328         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
3329         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
3330         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
3331         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
3332         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
3333         (thumb_legitimize_address): Delete.
3334         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
3335         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
3336         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
3337         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
3338         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
3339         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
3340         Delete.
3341         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
3342         Delete.
3343
3344         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
3345         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
3346         * config/m32r/m32r.c (m32r_legitimize_address): New.
3347         * config/m68k/m68k.c (m68k_legitimize_address): New.
3348         * config/score/score.c (score_legitimize_address): Standardize.
3349         * config/score/score3.c (score3_legitimize_address): Standardize.
3350         * config/score/score3.h (score3_legitimize_address): Adjust.
3351         * config/score/score7.c (score7_legitimize_address): Standardize.
3352         * config/score/score7.h (score7_legitimize_address): Adjust.
3353         * config/sh/sh.c (sh_legitimize_address): New.
3354         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
3355
3356         * gcc/config/s390/s390.c (legitimize_address): Rename to...
3357         (s390_legitimize_address): ... this.
3358         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
3359         (sparc_legitimize_address): ... this.
3360         * gcc/config/i386/i386.c (legitimize_address): Rename to...
3361         (ix86_legitimize_address): ... this.
3362         * gcc/config/avr/avr.c (legitimize_address): Rename to...
3363         (avr_legitimize_address): ... this.
3364         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
3365         (mn10300_legitimize_address): ... this.
3366         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
3367         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
3368         (alpha_expand_mov): Adjust call.
3369
3370         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
3371         * config/spu/spu.c (spu_legitimize_address): Likewise.
3372         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
3373         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
3374
3375 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3376
3377         * intl.c (locale_encoding, locale_utf8): New.
3378         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
3379         * intl.h (locale_encoding, locale_utf8): Declare.
3380         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
3381         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
3382         New.
3383         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
3384         argument.
3385         (pp_tree_identifier): Define to call pp_base_tree_identifier.
3386         (pp_base_tree_identifier): Declare as function.
3387         (identifier_to_locale): Declare.
3388         * Makefile.in (pretty-print.o): Update dependencies.
3389         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
3390
3391 2009-05-04  Richard Guenther  <rguenther@suse.de>
3392
3393         PR middle-end/40015
3394         * builtins.c (fold_builtin_memory_op): Do not decay to element
3395         type if the size matches the whole array.
3396
3397 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3398
3399         * expmed.c (synth_mult): When trying out a shift, pass the result
3400         of a signed shift.
3401
3402 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3403
3404         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
3405         (shiftsub1_cost): New.
3406         (init_expmed): Compute shiftsub1_cost.
3407         (synth_mult): Optimize multiplications by constants of the form
3408         -(2^^m-1) for some constant positive integer m.
3409
3410 2009-05-03  Richard Guenther  <rguenther@suse.de>
3411
3412         PR c/39983
3413         * c-typeck.c (array_to_pointer_conversion): Do not built
3414         ADDR_EXPRs of arrays of pointer-to-element type.
3415         * c-gimplify.c (c_gimplify_expr): Revert change fixing
3416         up wrong ADDR_EXPRs after-the-fact.
3417         * c-common.c (strict_aliasing_warning): Strip pointer
3418         conversions for obtaining the original type.
3419         * builtins.c (fold_builtin_memset): Handle array types.
3420         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
3421         and array types
3422
3423 2009-05-03  Richard Guenther  <rguenther@suse.de>
3424
3425         PR middle-end/23329
3426         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
3427         Do not lose casts from array types with unknown extent to array
3428         types with known extent.
3429         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
3430         alias set compatibility.
3431
3432 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3433
3434         * flags.h (extra_warnings): Delete.
3435         * toplev.c (process_options): Handle Wuninitialized here.
3436         * opts.c (extra_warnings): Delete.
3437         (set_Wextra): Delete.
3438         (common_handle_option): -Wextra can be handled automatically.
3439         * c-opts.c (c_common_handle_option): Delete obsolete code.
3440         (c_common_post_options): Simplify comment.
3441         * common.opt (W): Add Var.
3442         (Wextra): Add Var.
3443         (Wuninitialized): Initialize to -1.
3444
3445 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
3446             Richard Guenther  <rguenther@suse.de>
3447
3448         * expr.c (get_def_for_expr): New function.
3449         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
3450         SSA rather than trees.
3451         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
3452         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
3453         
3454 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
3455
3456         * c-common.c (reswords): Add _Imaginary.
3457         * c-common.c (enum rid): Add RID_IMAGINARY.
3458
3459 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
3460
3461         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
3462         Patch by Richard Guenther.
3463
3464 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
3465
3466         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
3467         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
3468         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
3469         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
3470         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
3471         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
3472         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
3473         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
3474         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
3475         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
3476         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
3477         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
3478         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
3479         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
3480         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
3481         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
3482         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
3483         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
3484
3485 2009-05-02  Richard Guenther  <rguenther@suse.de>
3486
3487         PR tree-optimization/39940
3488         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
3489         doing so.
3490
3491 2009-05-02  Richard Guenther  <rguenther@suse.de>
3492
3493         PR middle-end/40001
3494         * tree-ssa.c (execute_update_addresses_taken): Properly check
3495         if we can mark a variable DECL_GIMPLE_REG_P.
3496         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
3497         back to the end of the function.
3498         (is_gimple_reg_type): Remove complex type special casing.
3499         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
3500         if not optimizing.
3501
3502 2009-05-02  Ben Elliston  <bje@au.ibm.com>
3503
3504         * doc/collect2.texi (Collect2): Document search path behaviour
3505         when configured with --with-ld.
3506
3507 2009-05-02  Jan Hubicka  <jh@suse.cz>
3508
3509         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
3510         parameter; update callers.
3511         (coalesce_cost_edge): EH edges are costier because they needs
3512         splitting even if not critical and even more costier when there are
3513         multiple EH predecestors.
3514
3515 2009-05-02  Jan Hubicka  <jh@suse.cz>
3516
3517         * except.c (remove_eh_handler_and_replace): Handle updating after
3518         removing TRY blocks.
3519
3520 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3521
3522         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
3523
3524 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3525
3526         * varasm.c: Do not include c-pragma.h.
3527         * attribs.c: Do not incude c-common.h.
3528
3529 2009-05-01  Michael Matz  <matz@suse.de>
3530
3531         * calls.c (initialize_argument_information): Handle SSA names like
3532         decls with a non MEM_P DECL_RTL.
3533
3534 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3535
3536         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
3537         * ipa-utils.c: Likewise.
3538         * ipa-type-escape.c: Likewise.
3539         * cgraphunit.c Do not include c-common.h.
3540         * ipa-pure-const.c: Likewise.
3541         * tree-if-conv.c: Likewise.
3542         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
3543         * ipa-struct-reorg.c: Likewise.
3544         * tree-nomudflap.c: Likewise.
3545         * tree-ssa-structalias.c: Likewise.
3546
3547 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3548
3549         * store-motion.c: Many cleanups to make this pass a first-class
3550         citizen instead of an appendix to gcse load motion.  Add TODO list
3551         to make this pass faster/cleaner/better.
3552
3553         (struct ls_expr): Post gcse.c-split cleanups.
3554         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
3555         "stores" field to "avail_stores".
3556         (pre_ldst_mems): Rename to store_motion_mems.
3557         (pre_ldst_table): Rename to store_motion_mems_table.
3558         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
3559         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
3560         (ldst_entry): Rename to st_expr_entry, update users.
3561         (free_ldst_entry): Rename to free_st_expr_entry, update users.
3562         (free_ldst_mems): Rename to free_store_motion_mems, update users.
3563         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
3564         update caller.
3565         (first_ls_expr): Rename to first_st_expr, update users.
3566         (next_ls_expr): Rename to next_st_expr, update users.
3567         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
3568         fields properly for store motion instead of names inherited from load
3569         motion in gcse.c.
3570         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
3571         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
3572         are done with it.
3573
3574         (ae_kill): Rename to st_kill, update users.
3575         (ae_gen): Rename to st_avloc, update users.
3576         (transp): Rename to st_transp, update users.
3577         (pre_insert_map): Rename to st_insert_map, update users.
3578         (pre_delete_map): Rename to st_delete_map, update users.
3579         (insert_store, build_store_vectors, free_store_memory,
3580         one_store_motion_pass): Update for abovementioned changes.
3581
3582         (gcse_subst_count, gcse_create_count): Remove.
3583         (one_store_motion_pass): New statistics counters "n_stores_deleted"
3584         and "n_stores_created", local variables.
3585
3586         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
3587         use for_each_rtx.
3588
3589         (regvec, compute_store_table_current_insn): Remove.
3590         (reg_set_info, reg_clear_last_set): Remove.
3591         (compute_store_table): Use DF caches instead of local dataflow
3592         solvers.
3593
3594 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
3595
3596         * c-objc-common.c (c_tree_printer): Print identifiers with
3597         pp_identifier, not pp_string.  Mark "({anonymous})" for
3598         translation.
3599         * c-pretty-print.c (pp_c_ws_string): New.
3600         (pp_c_cv_qualifier, pp_c_type_specifier,
3601         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
3602         pp_c_storage_class_specifier, pp_c_function_specifier,
3603         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
3604         pp_c_primary_expression, pp_c_postfix_expression,
3605         pp_c_unary_expression, pp_c_shift_expression,
3606         pp_c_relational_expression, pp_c_equality_expression,
3607         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
3608         use pp_string and pp_c_ws_string in place of pp_identifier and
3609         pp_c_identifier for non-identifiers.  Mark English strings for
3610         translation.
3611         * c-pretty-print.h (pp_c_ws_string): Declare.
3612
3613 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
3614             Roland McGrath <roland@redhat.com>
3615
3616         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
3617         (ENABLE_LD_BUILDID): New configuration option.
3618         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
3619         (LINK_BUILDID_SPEC): New macro.
3620         (init_spec): If defined, prepend it between LINK_EH_SPEC and
3621         link_spec.
3622         * doc/install.texi: Document --enable-linker-build-id option.
3623         * configure: Rebuild.
3624         * config.in: Rebuild.
3625
3626 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
3627
3628         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
3629         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
3630         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
3631         MIPS_GP_SAVE_AREA_SIZE.
3632         * config/mips/mips.c (struct mips_frame_info): Update comment
3633         before arg_pointer_offset and hard_frame_pointer_offset.
3634         (mips_compute_frame_info): Update diagram before function: to
3635         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
3636         indicate the position of frame_pointer_rtx with -fstack-protector and
3637         to show args_size.  Don't allocate cprestore area for leaf functions
3638         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
3639         cprestore_size.
3640         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
3641
3642 2009-04-30  Michael Matz  <matz@suse.de>
3643
3644         PR tree-optimization/39955
3645         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
3646
3647 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3648
3649         * ira.c (setup_cover_and_important_classes):  Use safe macro
3650         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
3651         directly.
3652         * genpreds.c (write_tm_preds_h):  Output suitable definition of
3653         REG_CLASS_FOR_CONSTRAINT.
3654
3655 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3656
3657         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
3658         instead of an int.
3659         * bitmap.c (bitmap_descriptor): Likewise.
3660         * ggc-common.c (loc_descriptor): Likewise.
3661         * varray.c (varray_descriptor): Likewise.
3662         * vec.c (vec_descriptor): Likewise.
3663
3664 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3665
3666         * Makefile.in (dce.o): Add $(EXCEPT_H).
3667         * dce.c: Include except.h and delete redundant vector definitions.
3668         (deletable_insn_p): Return false for non-call insns that can throw
3669         if DF is running.
3670
3671 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3672
3673         * gcse.c (ae_gen): Remove.
3674         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
3675         and make non-static function to make it available in store-motion.c.
3676         Update call sites with search-and-replace.
3677         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
3678         extract_mentioned_regs, extract_mentioned_regs_helper,
3679         find_moveable_store, compute_store_table, load_kills_store, find_loads,
3680         store_killed_in_insn, store_killed_after, store_killed_before,
3681         build_store_vectors, insert_insn_start_basic_block, insert-store,
3682         remove_reachable_equiv_notes, replace_store_insn, delete_store,
3683         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
3684         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
3685         * store-motion.c: ...new file.  Also copy data structures from gcse.c
3686         and clean up to remove parts not used by store motion.
3687         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
3688         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
3689
3690 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3691
3692         PR target/38571
3693         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
3694         when optimizing for size.
3695
3696 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
3697
3698         * gcse.c (gcse_constant_p): Fix typo in last change.
3699
3700 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3701
3702         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
3703
3704 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3705
3706         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
3707
3708 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
3709
3710         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
3711         CONST_HIGH_PART result.
3712
3713 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
3714
3715         * config/avr/avr.c (initial_elimination_offset): Rename to
3716         avr_initial_elimination_offset.
3717         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
3718         change return type to bool.
3719         (avr_can_eliminate): New function.
3720         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
3721         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
3722         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
3723         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
3724         avr_initial_elimination_offset.
3725         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
3726         (avr_initial_elimination_offset): Define.
3727
3728 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
3729             Steven Bosscher  <steven@gcc.gnu.org>
3730
3731         PR rtl-optimization/39938
3732         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
3733         * cfgrtl.c: Include insn-attr.h.
3734         (rest_of_pass_free_cfg): New function.
3735         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
3736         * resource.c (init_resource_info): Remove call to df_analyze.
3737
3738 2009-04-29  Richard Guenther  <rguenther@suse.de>
3739
3740         PR target/39943
3741         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
3742         allow conversion to signed integers.
3743
3744 2009-04-29  Richard Guenther  <rguenther@suse.de>
3745
3746         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
3747         shifts of floating point vectors if the shift amount is
3748         a constant multiple of the element size.
3749
3750 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3751             Michael Matz  <matz@suse.de>
3752
3753         PR middle-end/39927
3754         PR bootstrap/39929
3755         * tree-outof-ssa.c (emit_partition_copy): New function.
3756         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3757         insert_part_to_rtx_on_edge): Perform the partition base var
3758         copy using emit_partition_copy.
3759         (insert_value_copy_on_edge): Convert constants to the right mode.
3760         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
3761         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
3762
3763 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3764
3765         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
3766         scan backwards to try to find a constant to initialize it.
3767
3768         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
3769         insn before the loop_end instruction, don't look past labels.
3770
3771 2009-04-29  Richard Guenther  <rguenther@suse.de>
3772
3773         PR middle-end/39937
3774         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3775         loose type conversions.
3776         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
3777         stmts only if there are no uses of its definition.
3778
3779 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3780
3781         * config/bfin/bfin.h (splitting_loops): Declare.
3782         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
3783         Reorder bit definitions to be ascending.
3784         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
3785         * config/bfin/bfin.c (splitting_loops): New variable.
3786         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
3787         (struct loop_info): Remove members INIT and LOOP_INIT.
3788         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
3789         the LSETUP sequence.  Allow LC to be loaded from any register, but
3790         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
3791         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
3792         set to 1.
3793         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
3794         of reload_completed.
3795
3796         From Jie Zhang:
3797         * config/bfin/bfin.md (movsi_insn): Refine constraints.
3798
3799 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
3800
3801         * Makefile.in (PLUGIN_VERSION_H): New.
3802         (OBJS-common): Remove plugin-version.o.
3803         (plugin.o): Depend on (PLUGIN_VERSION_H).
3804         (plugin-version.o): Remove.
3805         * configure: Regenerate
3806         * configure.ac: Create plugin-version.h.
3807         * gcc-plugin.h (plugin_gcc_version): Remove.
3808         (plugin_default_version_check): Change signature.
3809         * plugin-version.c: Remove.
3810         * plugin.c: Include plugin-version.h.
3811         (str_plugin_gcc_version_name): Remove.
3812         (try_init_one_plugin): Pass gcc version to plugin_init.
3813         (plugin_default_version_check): Both gcc and plugin versions are now
3814         arguments.
3815
3816 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3817         
3818         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3819         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3820         Remove special case testing for last insn of inner loops. Don't fail
3821         if the loop ends with a jump, emit an extra nop instead.
3822
3823         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3824         DREGS rather than comparing directly.  Remove code that tries to
3825         account for latencies.
3826
3827 2009-04-29  Richard Guenther  <rguenther@suse.de>
3828
3829         PR tree-optimization/39941
3830         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3831         eliminating an indirect call.
3832
3833 2009-04-29  Richard Guenther  <rguenther@suse.de>
3834
3835         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3836         parameter.  Allow invariants as base if !require_lvalue.
3837         (verify_gimple_assign_single): Adjust.
3838
3839 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3840
3841         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3842         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3843         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3844         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3845         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3846         a VEC_SELECT.
3847         * config/bfin/bfin.c (bfin_expand_builtin,
3848         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3849
3850 2009-04-28  Richard Guenther  <rguenther@suse.de>
3851
3852         * tree-vect-loop.c (get_initial_def_for_induction): Use
3853         correct types for pointer increment.
3854
3855 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3856
3857         * toplev.c (print_version): Update GMP version string calculation.
3858
3859 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3860
3861         PR rtl-optimization/39938
3862         * resource.c (init_resource_info): Add call to df_analyze.
3863
3864 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3865
3866         * config/alpha/alpha.md (usegp): Cast the result of
3867         alpha_find_lo_sum_using_gp to enum attr_usegp.
3868         * config/alpha/alpha.c (override_options): Remove end-of-structure
3869         marker element from cpu_table.  Use array size of cpu_table to handle
3870         -mcpu and -mtune options.
3871         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3872
3873 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3874
3875         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3876         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3877         tune_32 and tune_64.
3878         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3879         support on PowerPC.
3880         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3881         * config/rs6000/option-defaults.h: ... here.  New file.
3882         (OPT_64, OPT_32): Define.
3883         (MASK_64BIT): Define to 0 if not already defined.
3884         (OPT_ARCH64, OPT_ARCH32): Define.
3885         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3886         and tune_64.
3887
3888 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3889
3890         * config/arm/arm.c (arm_override_options): Emit error on using
3891         fpa with AAPCS.
3892
3893 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3894
3895         PR rtl-optimization/39914
3896         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3897         registers for allocnos created from user-defined variables only
3898         when not optimizing.
3899
3900 2009-04-28  Richard Guenther  <rguenther@suse.de>
3901
3902         PR middle-end/39937
3903         * fold-const.c (fold_binary): Use distribute_real_division only
3904         on float types.
3905
3906 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3907
3908         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3909         add hpux-stdint.h to tm_file.
3910         (hppa[12]*-*-hpux11*): Ditto.
3911         (ia64*-*-hpux*): Ditto.
3912         * config/hpux-stdint.h: New.
3913         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3914         __STDC_EXT__ for all compiles.
3915         * config/pa/pa-hpux.h: Ditto.
3916         * config/pa/pa-hpux10.h: Ditto.
3917         * config/pa/pa-hpux11.h: Ditto.
3918
3919 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3920
3921         * debug.h (set_name): Add comment.
3922
3923 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3924
3925         PR target/39929
3926         * config/darwin.c (machopic_gen_offset): Check
3927         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3928         * config/arm/arm.c (require_pic_register): Likewise.
3929
3930 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3931
3932         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3933         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3934         m32c_promote_prototypes): Delete.
3935
3936 2009-04-28  Michael Matz  <matz@suse.de>
3937
3938         PR middle-end/39922
3939         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3940         constants.
3941
3942 2009-04-28  Richard Guenther  <rguenther@suse.de>
3943
3944         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3945
3946 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3947
3948         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3949         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3950         * config/arm/arm-tune.md: Regenerate.
3951
3952 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3953
3954         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3955         block if there are complex incoming edges.
3956         (sel_merge_blocks): Remove useless assert.
3957         (sel_redirect_edge_and_branch): Check that edge was redirected.
3958         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3959         (sel_find_rgns): Delete declaration.
3960         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3961         the region when it is not a preheader.
3962
3963 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3964
3965         PR c/39323
3966         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3967
3968 2009-04-28  Richard Guenther  <rguenther@suse.de>
3969
3970         * tree.h (SSA_NAME_VALUE): Remove.
3971         (struct tree_ssa_name): Remove value_handle member.
3972         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3973         array for jump threading.
3974         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3975         SSA_NAME_VALUEs.
3976         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3977         * tree-flow.h (threadedge_initialize_values): Declare.
3978         (threadedge_finalize_values): Likewise.
3979         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3980         (SSA_NAME_VALUE): Define.
3981         (threadedge_initialize_values): New function.
3982         (threadedge_finalize_values): Likewise.
3983         * tree-ssa-dom.c (ssa_name_values): New global variable.
3984         (SSA_NAME_VALUE): Define.
3985         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3986
3987 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3988
3989         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3990         Use REPORT_VECTORIZED_LOCATIONS instead 
3991         REPORT_VECTORIZED_LOOPS.
3992         * tree-vectorizer.c (vect_verbosity_level): Make static.
3993         (vect_loop_location): Rename to vect_location.
3994         (vect_set_verbosity_level): Update comment.
3995         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3996         and vect_location.
3997         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3998         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3999         instead REPORT_UNVECTORIZED_LOOPS.
4000         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
4001         and vect_loop_def to vect_external_def and vect_internal_def.
4002         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
4003         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
4004         REPORT_UNVECTORIZED_LOCATIONS.
4005         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
4006         and vect_used_in_loop and to vect_unused_in_scope and 
4007         vect_used_in_scope.
4008         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
4009         (vect_verbosity_level): Remove declaration.
4010         (vect_analyze_operations): Likewise.
4011         (vect_analyze_stmt): Declare.
4012         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
4013         REPORT_UNVECTORIZED_LOCATIONS.
4014         (vect_get_loop_niters): Fix indentation.
4015         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
4016         (vect_analyze_loop_operations): New function.
4017         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
4018         vect_analyze_operations.
4019         (vect_is_simple_reduction): Use new names.
4020         (vectorizable_live_operation, vect_transform_loop): Likewise.
4021         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
4022         to specify whether the data references can be a part of interleaving
4023         chain.
4024         (vect_analyze_data_ref_dependence): Use new names.
4025         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
4026         (vect_create_addr_base_for_vector_ref): Remove redundant code.
4027         * tree-vect-patterns.c (widened_name_p): Use new names.
4028         (vect_recog_dot_prod_pattern): Likewise.
4029         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
4030         (process_use, vect_mark_stmts_to_be_vectorized, 
4031         vect_model_simple_cost, vect_model_store_cost,
4032         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
4033         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4034         vectorizable_operation, vectorizable_type_demotion,
4035         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
4036         vectorizable_condition): Likewise.
4037         (vect_analyze_operations): Split into vect_analyze_loop_operations
4038         and ...
4039         (vect_analyze_stmt): ... new function.
4040         (new_stmt_vec_info): Use new names.
4041         (vect_is_simple_use): Use new names and fix comment.
4042         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
4043         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
4044
4045 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4046
4047         PR target/39911
4048         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
4049         and integer modes for x87 operands.  Do not ICE for unsupported size,
4050         generate error instead.  Generate error for unsupported operand types.
4051         ['z']: Do not handle HImode memory operands specially.  Warning
4052         for floating-point operands.  Fallthru to 'Z' for unsupported operand
4053         types.  Do not ICE for unsupported size, generate error instead.
4054         (output_387_binary_op): Use %Z to output operands.
4055         (output_fp_compare): Ditto.
4056         (output_387_reg_move): Ditto.
4057
4058 2009-04-28  Ben Elliston  <bje@au.ibm.com>
4059
4060         PR c++/35652
4061         Revert:
4062
4063         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4064
4065         * builtins.c (c_strlen): Do not warn here.
4066         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4067         * c-common.c (pointer_int_sum): Take an explicit location.
4068         Warn about offsets out of bounds.
4069         * c-common.h (pointer_int_sum): Adjust declaration.
4070
4071 2009-04-27  Ian Lance Taylor  <iant@google.com>
4072
4073         * collect2.c (is_ctor_dtor): Change type of ret field in struct
4074         names to symkind.
4075         * dce.c (run_fast_df_dce): Change type of old_flags to int.
4076         * df-core.c (df_set_flags): Change return type to int.  Change
4077         type of old_flags to int.
4078         (df_clear_flags): Likewise.
4079         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
4080         (df_get_conditional_uses): Likewise.
4081         * df.h (df_set_flags, df_clear_flags): Update declarations.
4082         * dwarf2out.c (struct indirect_string_node): Change type of form
4083         field to enum dwarf_form.
4084         (AT_string_form): Change return type to enum dwarf_form.
4085         * fixed-value.c (fixed_compare): Add cast to enum type.
4086         * fwprop.c (update_df): Change 0 to VOIDmode.
4087         * gensupport.c: Change 0 to UNKNOWN.
4088         * gimple.h (gimple_cond_code): Add cast to enum type.
4089         * haifa-sched.c (reemit_notes): Add cast to enum type.
4090         * hooks.c (hook_int_void_no_regs): Remove function.
4091         * hooks.h (hook_int_void_no_regs): Remove declaration.
4092         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
4093         * predict.c (combine_predictions_for_insn): Add casts to enum type.
4094         * real.c (real_arithmetic): Add cast to enum type.
4095         (real_compare): Likewise.
4096         * target.h (struct gcc_target): Change return type of
4097         branch_target_register_class to enum reg_class.
4098         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
4099         default_branch_target_register_class.
4100         * targhooks.c (default_branch_target_register_class): New function.
4101         * targhooks.h (default_branch_target_register_class): Declare.
4102         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
4103         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
4104         cast to int.
4105         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
4106         ERROR_MARK.
4107         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
4108         vect_uninitialized_def.  Change 0 to ERROR_MARK.
4109         * tree-vect-stmts.c (supportable_widening_operation): Don't
4110         initialize icode1 and icode2.
4111         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
4112         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
4113         and to STD_C89.
4114         (cmn_err_flag_specs): Change 0 to STD_C89.
4115         (cmn_err_char_table): Likewise.
4116         * config/arm/arm.c (get_arm_condition_code): Change type of code
4117         to enum arm_cond_code.
4118         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
4119         (IWMMXT_BUILTIN2): Likewise.
4120         (neon_builtin_type_bits): Don't define typedef.
4121         (neon_builtin_datum): Change type of bits field to int.
4122         (arm_expand_neon_args): Add cast to enum type.
4123         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
4124         TLS_MODEL_NONE.
4125         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
4126         casts to enum type.
4127         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
4128         MIPS_FP_COND_f.
4129         * config/mips/mips.md (jal_macro): Return enum constant.
4130         (single_insn): Likewise.
4131         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
4132         CODE_FOR_nothing.
4133         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4134         casts to enum type.
4135         * config/s390/s390.c (s390_tune_flags): Change type to int.
4136         (s390_arch_flags): Likewise.
4137         (s390_handle_arch_option): Change flags field of struct pta to int.
4138         * config/s390/s390.h (s390_tune_flags): Update declaration.
4139         (s390_arch_flags): Likewise.
4140         * config/sh/sh.c (prepare_move_operands): Compare
4141         tls_symbolic_operand result with enum constant.
4142         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
4143         (sh_expand_prologue): Add cast to enum type.
4144         (sh_expand_epilogue): Likewise.
4145         (tls_symbolic_operand): Change return type to enum tls_model.
4146         (fpscr_set_from_mem): Add cast to enum type.
4147         (legitimize_pic_address): Compare tls_symbolic_operand result with
4148         enum constant.
4149         (sh_target_reg_class): Change return type to enum reg_class.
4150         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
4151         PROCESSOR_xxx.
4152         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
4153         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
4154         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
4155         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
4156         (delayed_branch, tls_call_delay): Likewise.
4157         (eligible_for_sibcall_delay): Likewise.
4158         (eligible_for_return_delay): Likewise. 
4159         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
4160         (spu_expand_builtin_1): Likewise.
4161
4162         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
4163         for all types of conversions.
4164         (output_init_element): Issue -Wc++-compat warning if needed when
4165         initializing a bitfield with enum type.
4166         * c-parser.c (c_parser_expression): Set original_type to
4167         original_type of right hand operand of comman operator.
4168
4169 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4170
4171         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
4172         grammar nits.
4173         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
4174         * doc/cpp.texi (Standard Predefined Macros)
4175         (Implementation-defined behavior): Likewise.
4176         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
4177         * doc/gimple.texi (GIMPLE Exception Handling)
4178         (@code{GIMPLE_ASSIGN}): Likewise.
4179         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
4180         * doc/invoke.texi (Warning Options, Optimize Options)
4181         (AVR Options, Darwin Options): Likewise.
4182         (Optimize Options): Reformulate -fwhole-program description.
4183         * doc/loop.texi (Lambda): Likewise.
4184         * doc/md.texi (Output Template, Define Constraints)
4185         (Standard Names, Insn Splitting): Likewise.
4186         * doc/options.texi (Option properties): Likewise.
4187         * doc/passes.texi (Tree-SSA passes): Likewise.
4188         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
4189         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
4190         (File Names and DBX): Likewise.
4191         * doc/trouble.texi (Incompatibilities): Likewise.
4192
4193 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4194
4195         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
4196         instruction is correct.
4197
4198 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4199
4200         Allow non-constant arguments to conversion intrinsics.
4201         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
4202         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
4203         * spu.c (print_operand): Handle 'v' and 'w'.
4204         (exp2_immediate_p, spu_gen_exp2): Define.
4205         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
4206         spu_convtf_1): Update parameter descriptions.
4207         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
4208         * constraints.md ('v', 'w'): New.
4209         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
4210         Remove.
4211         (i2f, I2F): New define_mode_attr.
4212         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
4213         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
4214         fixuns_truncv4sfv4si2):  Update to use mode attribute.
4215         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
4216         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
4217         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
4218         patterns for combine.
4219
4220 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
4221
4222         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
4223         (cprop, hoist, pre, store_motion): New debug counters.
4224         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
4225         is not an RTL pass anymore.
4226         (pass_profiling): Remove extern decl for pass removed in 2005.
4227         (pass_gcse, pass_jump_bypass): Remove.
4228         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
4229         to 0 for clean state.
4230         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
4231         * cse.c (gate_handle_cse_after_global_opts,
4232         rest_of_handle_cse_after_global_opts): New functions.
4233         (pass_cse_after_global_opts): New pass, does local CSE.
4234         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
4235         (TV_CPROP): New timevar.
4236         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
4237         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
4238         (gcse_main, recompute_all_luids): Remove.
4239         (compute_hash_table_work): Call max_reg_num instead of reading
4240         max_gcse_regno.
4241         (cprop_jump): Don't set run_jump_opt_after_gcse.
4242         (constprop_register): Always allow to alter jumps.
4243         (cprop_insn): Likewise.
4244         (do_local_cprop): Likewise.
4245         (local_cprop_pass): Likewise.  Return non-zero if something changed.
4246         (cprop): Remove function, fold interesting bits into one_cprop_pass.
4247         (find_implicit_sets): Add note about missed optimization opportunity.
4248         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
4249         pass_rtl_cprop execute function.
4250         Don't bother tracking the pass number, each pass gets its own dumpfile
4251         now anyway.
4252         Always allow to alter jumpsand bypass jumps.
4253         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
4254         will just find no suitable set.
4255         (pre_edge_insert): Fix dumping, this function is for PRE only.
4256         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
4257         pass_rtl_pre execute function.
4258         (hoist_code): Return non-zero if something changed.  Keep track of
4259         substitutions and insertions for statistics gathering similar to PRE.
4260         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
4261         called from the pass_rtl_hoist execute function.  Show pass statistics.
4262         (compute_store_table): Use max_reg_num directly instead of using the
4263         formerly global max_gcse_regno.
4264         (build_store_vectors): Likewise.
4265         (replace_store_insn): Fix dumping.
4266         (store_motion): Rename to ...
4267         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
4268         pass, called from the pass_rtl_store_motion execute function.  Keep
4269         track of substitutions and insertions for statistics gathering similar
4270         to PRE.
4271         (bypass_jumps): Remove, fold interesting bits into ...
4272         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
4273         from the pass_rtl_cprop execute function.
4274         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4275         pass_jump_bypass): Remove.
4276         (gate_handle_gcse, rest_of_handle_gcse): Remove.
4277         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
4278         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
4279         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
4280         (gate_rtl_store_motion, execute_rtl_store_motion,
4281         pass_rtl_store_motion): New.
4282         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
4283         make it clear that -fcse-skip-blocks is a no-op for backward compat.
4284         * passes.c (init_optimization_passes): Remove pass_gcse and
4285         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
4286         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
4287         instead of pass_jump_bypass.
4288
4289 2009-04-27  Richard Guenther  <rguenther@suse.de>
4290
4291         PR middle-end/39928
4292         * gimplify.c (gimplify_expr): If we are required to create
4293         a temporary make sure it ends up as register.
4294
4295 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4296
4297         PR target/39903
4298         * config/i386/i386.c (construct_container): Don't call
4299         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
4300         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
4301
4302 2009-04-27  Michael Matz  <matz@suse.de>
4303
4304         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
4305         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
4306         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
4307         (dump_replaceable_exprs): Take a bitmap.
4308         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
4309         array.
4310         (expand_gimple_basic_block): Likewise.
4311         * tree-ssa-ter.c (struct temp_expr_table_d): Make
4312         replaceable_expressions member a bitmap.
4313         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
4314         (mark_replaceable): Likewise.
4315         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
4316         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
4317
4318 2009-04-27  Richard Guenther  <rguenther@suse.de>
4319
4320         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
4321         (verify_stmts): Dispatch to gimple/type verification code.
4322         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
4323         issue with call argument types.
4324
4325 2009-04-27  Michael Matz  <matz@suse.de>
4326
4327         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
4328         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
4329         to above.
4330
4331 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
4332             Eric Botcazou  <ebotcazou@adacore.com>
4333
4334         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
4335         a label's basic block.
4336         (mark_target_live_regs): Tidy and rework obsolete comments.
4337         Change back DF problem to LIVE.  If a label starts a basic block,
4338         assume that all registers that used to be live then still are.
4339         (init_resource_info): If a label starts a basic block, set its
4340         BLOCK_FOR_INSN accordingly.
4341         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
4342
4343 2009-04-27  Richard Guenther  <rguenther@suse.de>
4344
4345         * tree-flow-inline.h (function_ann): Remove.
4346         (get_function_ann): Likewise.
4347         * tree-dfa.c (create_function_ann): Remove.
4348         * tree-flow.h (struct static_var_ann_d): Remove.
4349         (struct function_ann_d): Likewise.
4350         (union tree_ann_d): Remove fdecl member.
4351         (function_ann_t): Remove.
4352         (function_ann, get_function_ann, create_function_ann): Remove
4353         declarations.
4354
4355 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
4356
4357         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
4358
4359 2009-04-27  Jan Hubicka  <jh@suse.cz>
4360
4361         * ipa-pure-const.c (struct funct_state_d): New fields
4362         state_previously_known, looping_previously_known; remove
4363         state_set_in_source.
4364         (analyze_function): Use new fields.
4365         (propagate): Avoid assumption that state_set_in_source imply
4366         nonlooping.
4367
4368         * tree-ssa-loop-niter.c (finite_loop_p): New function.
4369         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
4370         * cfgloop.h (finite_loop_p): Declare.
4371
4372 2009-04-26  Michael Matz  <matz@suse.de>
4373
4374         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
4375
4376 2009-04-26  Michael Matz  <matz@suse.de>
4377
4378         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
4379         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
4380         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
4381         pass_mark_used_blocks): Remove.
4382         * tree-optimize.c (pass_free_datastructures,
4383         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
4384         * passes.c (init_optimization_passes): Don't call
4385         pass_mark_used_blocks, remove dead code.
4386
4387 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
4388
4389         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
4390         * tree-ssa-live.h (register_ssa_partition): Likewise.
4391
4392 2009-04-26  Michael Matz  <matz@suse.de>
4393
4394         Expand from SSA.
4395         * builtins.c (fold_builtin_next_arg): Handle SSA names.
4396         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
4397         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
4398         SSA names. 
4399         (compare_pairs): Swap cost comparison.
4400         (coalesce_ssa_name): Don't use change_partition_var.
4401         * tree-nrv.c (struct nrv_data): Add modified member.
4402         (finalize_nrv_r): Set it.
4403         (tree_nrv): Use it to update statements.
4404         (pass_nrv): Require PROP_ssa.
4405         * tree-mudflap.c (mf_decl_cache_locals,
4406         mf_build_check_statement_for): Use make_rename_temp.
4407         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
4408         * alias.c (find_base_decl): Handle SSA names.
4409         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
4410         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
4411         * rtl.h (set_reg_attrs_for_parm): Declare.
4412         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
4413         to "optimized", remove unused locals at finish.
4414         (execute_free_datastructures): Make global, call
4415         delete_tree_cfg_annotations.
4416         (execute_free_cfg_annotations): Don't call
4417         delete_tree_cfg_annotations.
4418
4419         * ssaexpand.h: New file.
4420         * expr.c (toplevel): Include ssaexpand.h.
4421         (expand_assignment): Handle SSA names the same as register variables.
4422         (expand_expr_real_1): Expand SSA names.
4423         * cfgexpand.c (toplevel): Include ssaexpand.h.
4424         (SA): New global variable.
4425         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
4426         (SSAVAR): New macro.
4427         (set_rtl): New helper function.
4428         (add_stack_var): Deal with SSA names, use set_rtl.
4429         (expand_one_stack_var_at): Likewise.
4430         (expand_one_stack_var): Deal with SSA names.
4431         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
4432         before unique numbers.
4433         (expand_stack_vars): Use set_rtl.
4434         (expand_one_var): Accept SSA names, add asserts for them, feed them
4435         to above subroutines.
4436         (expand_used_vars): Expand all partitions (without default defs),
4437         then only the local decls (ignoring those expanded already).
4438         (expand_gimple_cond): Remove edges when jumpif() expands an
4439         unconditional jump.
4440         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
4441         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
4442         SSA name.
4443         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
4444         members of SA; deal with PARM_DECL partitions here; expand
4445         all PHI nodes, free tree datastructures and SA.  Commit instructions
4446         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
4447         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
4448         info and statements at start, collect garbage at finish.
4449         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
4450         (VAR_ANN_PARTITION) Remove.
4451         (change_partition_var): Don't declare.
4452         (partition_to_var): Always return SSA names.
4453         (var_to_partition): Only accept SSA names.
4454         (register_ssa_partition): Only check argument.
4455         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
4456         member.
4457         (delete_var_map): Don't free it.
4458         (var_union): Only accept SSA names, simplify.
4459         (partition_view_init): Mark only useful SSA names as used.
4460         (partition_view_fini): Only deal with SSA names.
4461         (change_partition_var): Remove.
4462         (dump_var_map): Use ssa_name instead of partition_to_var member.
4463         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
4464         basic blocks.
4465         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
4466         (struct _elim_graph): New member const_dests; nodes member vector of
4467         ints.
4468         (set_location_for_edge): New static helper.
4469         (create_temp): Remove.
4470         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
4471         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
4472         (new_elim_graph): Allocate const_dests member.
4473         (clean_elim_graph): Truncate const_dests member.
4474         (delete_elim_graph): Free const_dests member.
4475         (elim_graph_size): Adapt to new type of nodes member.
4476         (elim_graph_add_node): Likewise.
4477         (eliminate_name): Likewise.
4478         (eliminate_build): Don't take basic block argument, deal only with
4479         partition numbers, not variables.
4480         (get_temp_reg): New static helper.
4481         (elim_create): Use it, deal with RTL temporaries instead of trees.
4482         (eliminate_phi): Adjust all calls to new signature.
4483         (assign_vars, replace_use_variable, replace_def_variable): Remove.
4484         (rewrite_trees): Only do checking.
4485         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
4486         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
4487         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
4488         contains_tree_r, MAX_STMTS_IN_LATCH,
4489         process_single_block_loop_latch, analyze_edges_for_bb,
4490         perform_edge_inserts): Remove.
4491         (expand_phi_nodes): New global function.
4492         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
4493         functions, initialize new parameter, remember partitions having a
4494         default def.
4495         (finish_out_of_ssa): New global function.
4496         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
4497         don't reset in_ssa_p here, don't disable TER when mudflap.
4498         (pass_del_ssa): Remove.
4499         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
4500         partition members.
4501         (execute_free_datastructures): Declare.
4502         * Makefile.in (SSAEXPAND_H): New variable.
4503         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
4504         * basic-block.h (commit_one_edge_insertion): Declare.
4505         * passes.c (init_optimization_passes): Move pass_nrv and
4506         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
4507         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
4508         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
4509         (redirect_branch_edge): Deal with super block when expanding, split
4510         out jump patching itself into ...
4511         (patch_jump_insn): ... here, new static helper.
4512
4513 2009-04-26  Michael Matz  <matz@suse.de>
4514
4515         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
4516         beyond num_ssa_names.
4517         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
4518         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4519
4520 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4521
4522         PR inline-asm/39543
4523         * fwprop.c (forward_propagate_asm): New function.
4524         (forward_propagate_and_simplify): Propagate also into __asm, if it
4525         doesn't increase the number of referenced registers.
4526
4527         PR c/39889
4528         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
4529
4530 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4531
4532         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
4533         note_nonlocal_vla_type for nonlocal VLAs.
4534         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
4535         contains_remapped_vars, remap_vla_decls): New functions.
4536         (convert_nonlocal_reference_stmt): If not optimizing, call
4537         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
4538         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
4539         if it wasn't found in var_map.
4540         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
4541         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
4542         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
4543         declare_vars.
4544         * gimplify.c (nonlocal_vlas): New variable.
4545         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
4546         referenced VLAs.
4547         (gimplify_body): Create and destroy nonlocal_vlas.
4548
4549         * dwarf2out.c (loc_descr_plus_const): New function.
4550         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
4551         mem_loc_descriptor, loc_descriptor_from_tree_1,
4552         descr_info_loc, gen_variable_die): Use it.
4553
4554         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
4555         !TREE_STATIC VAR_DECLs.
4556         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
4557         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
4558         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
4559         DECL_BY_REFERENCE is valid.
4560         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
4561         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
4562         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
4563         Copy DECL_BY_REFERENCE.
4564         (struct nesting_copy_body_data): New type.
4565         (nesting_copy_decl): New function.
4566         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
4567         if they have variable length.
4568
4569 2009-04-26  Michael Matz  <matz@suse.de>
4570
4571         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
4572         mark new temporaries for renaming.
4573
4574 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4575
4576         PR c/39581
4577         * c-decl.c (global_bindings_p): Return negative value.
4578         (c_variable_size): New.  Based on variable_size from
4579         stor-layout.c.
4580         (grokdeclarator): Call c_variable_size not variable_size.
4581
4582 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
4583
4584         * config/i386/i386.c (print_operand) ['z']: Fix typo.
4585
4586 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
4587
4588         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
4589         Redefine it to just use mingw/include.
4590         (ASM_SPEC): Rules for -m32 and -m64.
4591         (LINK_SPEC): Use Likewise.
4592         (SPEC_32): New define.
4593         (SPEC_64): Likewise.
4594         (SUB_LINK_SPEC): Likewise.
4595         (MULTILIB_DEFAULTS): New define.
4596         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
4597         Add multilib options.
4598         (MULTILIB_DIRNAMES): Likewise.
4599         (MULTILIB_OSDIRNAMES): Likewise.
4600         (LIBGCC): Likewise.
4601         (INSTALL_LIBGCC): Likewise.
4602
4603 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4604
4605         PR c/39556
4606         * c-tree.h (enum c_inline_static_type): New.
4607         (record_inline_static): Declare.
4608         * c-decl.c (struct c_inline_static, c_inline_statics,
4609         record_inline_static, check_inline_statics): New.
4610         (pop_file_scope): Call check_inline_statics.
4611         (start_decl): Call record_inline_static instead of pedwarning
4612         directly for static in inline function.
4613         * c-typeck.c (build_external_ref): Call record_inline_static
4614         instead of pedwarning directly for static referenced in inline
4615         function.
4616
4617 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
4618
4619         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
4620         not new but only being rescanned.
4621         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
4622         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
4623         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
4624         record_set_info, compute_set, grealloc): Remove.
4625         (recompute_all_luids): New function.
4626         (gcse_main): Don't compute sets, and don't do related memory
4627         allocations/free-ing.  If something changed before the end of the
4628         pass, update LUIDs using recompute_all_luids.
4629         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
4630         (free_gcse_mem): Don't free it either.
4631         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
4632         Use the df insn LUIDs.
4633         (load_killed_in_block): Likewise.
4634         (compute_hash_table_work): Don't compute reg_set_in_block.
4635         (compute_transp): Use DF_REG_DEF_CHAINs.
4636         (local_cprop_pass): Don't use compute_sets and related functions.
4637         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
4638         Use get_max_uid() instead of max_cuid.
4639         (insert_insn_end_basic_block, pre_insert_copy_insn,
4640         update_ld_motion_stores): Don't try to
4641         keep reg_set tables up to date.
4642         (pre_insert_copies): Use df insn LUIDs.
4643         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
4644         (reg_set_info): Don't use extra bitmap argument.
4645         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
4646         information to compute regs_set_in_block.
4647         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
4648         (bypass_jumps): Don't use compute_sets and friends.
4649
4650 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4651
4652         PR testsuite/39710
4653         * opts.c (undocumented_msg): Do not leave blank even with
4654         ENABLE_CHECKING.
4655
4656 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4657
4658         * c-decl.c (build_enumerator): Allow values folding to integer
4659         constants but not integer constant expressions with a pedwarn if
4660         pedantic.
4661
4662 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4663
4664         PR c/39582
4665         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
4666         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
4667         type is an integer constant.
4668
4669 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4670
4671         PR target/39897
4672         * config/i386/i386.c (print_operand) ['z']: Revert handling of
4673         HImode operands.
4674
4675 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4676
4677         PR c/39564
4678         * c-decl.c (grokdeclarator): Diagnose declarations of functions
4679         with variably modified return type and no storage class
4680         specifiers, except for the case of nested functions.  Distinguish
4681         extern declarations of functions with variably modified return
4682         types from those of objects with variably modified types.
4683
4684 2009-04-25  Jan Hubicka  <jh@suse.cz>
4685
4686         * tree.c (list_equal_p): New function.
4687         * tree.h (list_equal_p): Declare.
4688         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4689         basic_block_def, basic_block, const_basic_block): New.
4690         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
4691         (redirect_eh_edge): New function.
4692         (make_eh_edge_update_phi): EH edges are not abnormal.
4693         * except.c: Include tree-flow.h.
4694         (list_match): New function.
4695         (eh_region_replaceable_by_p): New function.
4696         (replace_region): New function.
4697         (hash_type_list): New function.
4698         (hash_eh_region): New function.
4699         (eh_regions_equal_p): New function.
4700         (merge_peers): New function.
4701         (remove_unreachable_regions): Verify EH tree when checking;
4702         merge peers.
4703         (copy_eh_region_1): New function.
4704         (copy_eh_region): New function.
4705         (push_reachable_handler): New function.
4706         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
4707         regions without label but with live RESX.
4708         * except.h (redirect_eh_edge_to_label): New.
4709         * tree-flow.h (redirect_eh_edge): New.
4710         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4711         basic_block_def, basic_block, const_basic_block): Remove.
4712         * Makefile.in (except.o): Add dependency on tree-flow.h
4713         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
4714         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
4715         Remove.
4716
4717 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
4718
4719         PR bootstrap/39645
4720         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
4721         on the destination of memcpy.
4722
4723 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
4724
4725         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
4726         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
4727         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
4728
4729 2009-04-25  Jan Hubicka  <jh@suse.cz>
4730
4731         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
4732         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
4733         to be reached by different label than left.
4734         (update_eh_edges): Update comment; remove edge_to_remove if possible
4735         and return true if suceeded.
4736         (cleanup_empty_eh): Accept sharing map; handle shared regions.
4737         (cleanup_eh): Compute sharing map.
4738         * except.c (remove_eh_handler_and_replace): Add argument if we should
4739         update regions.
4740         (remove_unreachable_regions): Update for label sharing.
4741         (label_to_region_map): Likewise.
4742         (get_next_region_sharing_label): New function.
4743         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
4744         prev_try pointers.
4745         (remove_eh_handler): Update.
4746         (remove_eh_region_and_replace_by_outer_of): New function.
4747         * except.h (struct eh_region): Add next_region_sharing_label.
4748         (remove_eh_region_and_replace_by_outer_of,
4749         get_next_region_sharing_label): Declare.
4750         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
4751
4752 2009-04-25  Jan Hubicka  <jh@suse.cz>
4753
4754         * tree-cfg.c (split_critical_edges): Split also edges where we can't
4755         insert code even if they are not critical.
4756
4757 2009-04-25  Jan Hubicka  <jh@suse.cz>
4758
4759         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4760         (gimple_can_remove_branch_p): EH edges won't remove branch by
4761         redirection.
4762         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
4763         updating of non-abnormal EH edges.
4764         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4765         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
4766         (split_critical_edges): Split also edges where emitting code on them
4767         will lead to splitting later.
4768
4769 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4770             H.J. Lu  <hongjiu.lu@intel.com>
4771
4772         PR target/39590
4773         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
4774         the configured assembler supports fildq and fistpq mnemonics.
4775         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
4776         * configure: Regenerated.
4777         * config.in: Ditto.
4778
4779         * config/i386/i386.c (print_operand): Handle 'Z'.
4780         ['z']: Remove handling of special fild/fist suffixes.
4781         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
4782         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
4783         suffix of fild insn.
4784         (*floatsi<mode>2_vector_mixed): Ditto.
4785         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
4786         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
4787         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4788         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
4789         * config/i386/gas.h (GAS_MNEMONICS): Remove.
4790
4791 2009-04-25  Ben Elliston  <bje@au.ibm.com>
4792  
4793         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
4794         the source of a set operation.
4795
4796 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
4797
4798         * target.h (struct gcc_target): Add case_values_threshold field.
4799         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
4800         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
4801         * targhooks.c (default_case_values_threshold): New function.
4802         * targhooks.h (default_case_values_threshold): Declare function.
4803         * stmt.c (expand_case): Use case_values_threshold target hook.
4804         * expr.h (case_values_threshold): Remove declartation.
4805         * expr.c (case_values_threshold): Remove function.
4806         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
4807
4808         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
4809         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4810         (avr_case_values_threshold): Declare as static.
4811         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4812
4813         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4814         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4815         (mn10300_case_values_threshold): New function.
4816
4817 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4818
4819         * ira.c (setup_cover_and_important_classes): Add enum cast.
4820
4821 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4822
4823         * genpreds.c (write_enum_constraint_num): Output definition of
4824         CONSTRAINT_NUM_DEFINED_P macro.
4825         * ira.c (setup_cover_and_important_classes): Use
4826         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4827         
4828 2009-04-24  DJ Delorie  <dj@redhat.com>
4829
4830         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4831         __SH2A_SINGLE_ONLY__ also.
4832
4833 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4834
4835         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4836         (movdf_internal): Ditto.
4837         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4838         SFmode and DFmode constants.
4839         (ia64_print_operand): Add 'G' format for printing
4840         floating point constants.
4841
4842 2009-04-24  Richard Guenther  <rguenther@suse.de>
4843
4844         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4845         from unsigned additions.
4846
4847 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4848
4849         * c-typeck.c (set_init_index): Allow array designators that are
4850         not integer constant expressions with a pedwarn if pedantic.
4851
4852 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4853
4854         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4855         zero if no overlap in nonzero bits between the operands.
4856
4857 2009-04-24  Ian Lance Taylor  <iant@google.com>
4858
4859         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4860         (record_dead_and_set_regs): Likewise.
4861         * df.h (struct df_mw_hardreg): Change flags field to int.
4862         (struct df_base_ref): Likewise.
4863         (struct df): Change changeable_flags field to int.
4864         * df-scan.c (df_defs_record): Change clobber_flags to int.
4865         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4866         constants rather than #define macros.
4867         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4868         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4869         (enum dwarf_calling_convention): Likewise.
4870         (enum dwarf_line_number_x_ops): Likewise.
4871         (enum dwarf_call_frame_info): Likewise.
4872         (enum dwarf_source_language): Likewise.
4873         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4874         (add_calling_convention_attribute): Likewise.
4875         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4876         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4877         * genrecog.c (maybe_both_true_2): Change c to int.
4878         (write_switch): Likewise.  Add cast to enum type.
4879         * gimplify.c (gimplify_omp_for): Handle return values from
4880         gimplify_expr using MIN rather than bitwise or.
4881         (gimplify_expr): Add cast to enum type.
4882         * ipa-prop.c (update_jump_functions_after_inlining): Change
4883         IPA_BOTTOM to IPA_JF_UNKNOWN.
4884         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4885         Add casts to enum type.
4886         (setup_cover_and_important_classes): Change cl to int.  Add casts
4887         to enum type.
4888         (setup_class_translate): Change cl and mode to int.
4889         (ira_init_once): Change mode to int.
4890         (free_register_move_costs): Likewise.
4891         (setup_prohibited_mode_move_regs): Add casts to enum type.
4892         * langhooks.c (add_builtin_function_common): Rework assertion that
4893         value fits bitfield.
4894         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4895         * omega.c (omega_do_elimination): Avoid math on enum types.
4896         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4897         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4898         int local to handle integral_argment value.
4899         * regmove.c (try_auto_increment): Change PUT_MODE to
4900         PUT_REG_NOTE_KIND.
4901         * reload.c (push_secondary_reload): Add casts to enum type.
4902         (secondary_reload_class, find_valid_class): Likewise.
4903         * reload1.c (emit_input_reload_insns): Likewise.
4904         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4905         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4906         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4907         constant.
4908         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4909         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4910         enum type.
4911         (expand_complex_libcall): Add casts to enum type.
4912         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4913         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4914         with ERROR_MARK, not NUM_TREE_CODES.
4915         (vect_create_epilog_for_reduction): Likewise.
4916         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4917         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4918         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4919         enum machine_mode.
4920         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4921         vect_unused_in_loop.  Change 0 to loop_vect.
4922         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4923         * var-tracking.c (get_init_value): Change return type to enum
4924         var_init_status.
4925         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4926         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4927         arm_fp_model.
4928         (arm_override_options): Add casts to enum type.
4929         (arm_emit_tls_decoration): Likewise.
4930         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4931         to enum type.
4932         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4933         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4934         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4935         enum type.
4936         * config/s390/s390.c (code_for_builtin_64): Change to array of
4937         enum insn_code.
4938         (code_for_builtin_31): Likewise.
4939         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4940         const *.
4941         * config/sparc/sparc.c (sparc_override_options): Change value
4942         field in struct code_model to enum cmodel.  In initializer change
4943         0 to NULL and add cast to enum type.
4944
4945         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4946         Change all callers.  Issue a -Wc++-compat warning using
4947         lhs_origtype if necessary.
4948         (convert_for_assignment): Issue -Wc++-compat warnings about
4949         invalid conversions to enum type on assignment.
4950         * c-common.h (build_modify_expr): Update declaration.
4951
4952 2009-04-24  Nick Clifton  <nickc@redhat.com>
4953
4954         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4955         (function_arg_advance): Likewise.
4956         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4957         5th alternative.
4958
4959 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4960
4961         * config/s390/constraints.md ('I', 'J'): Fix condition.
4962
4963 2009-04-24  Diego Novillo  <dnovillo@google.com>
4964
4965         * gengtype-parse.c (parse_error): Add newline after message.
4966
4967 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4968
4969         * config/i386/sse.md (avxmodesuffixs): Removed.
4970         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4971         (*avx_pinsr<ssevecsize>): This.
4972
4973 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4974
4975         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4976         follow chains of regs with a single definition, and allow expressions
4977         that are function_invariant_p.
4978         (simple_rhs_p): Allow expressions that are function_invariant_p.
4979
4980 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4981
4982         PR middle-end/39867
4983         * fold-const.c (fold_cond_expr_with_comparison): When folding
4984         > and >= to MAX, make sure the MAX uses the same type as the
4985         comparison's operands.
4986
4987 2009-04-24  Nick Clifton  <nickc@redhat.com>
4988
4989         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4990         addressing for DImode accesses.
4991         (frv_print_operand_address): Handle PLUS case.
4992         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4993
4994 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4995
4996         PR rtl-optimization/39794
4997         * alias.c (canon_true_dependence): Add x_addr argument.
4998         * rtl.h (canon_true_dependence): Adjust prototype.
4999         * cse.c (check_dependence): Adjust canon_true_dependence callers.
5000         * cselib.c (cselib_invalidate_mem): Likewise.
5001         * gcse.c (compute_transp): Likewise.
5002         * dse.c (scan_reads_nospill): Likewise.
5003         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
5004         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
5005         canon_base_addr of the group, plus optional offset.
5006         (struct group_info): Rename canon_base_mem to
5007         canon_base_addr.
5008         (get_group_info): Set canon_base_addr to canon_rtx of base, not
5009         canon_rtx of base_mem.
5010
5011 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
5012
5013         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
5014         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
5015
5016 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5017
5018         * config/spu/spu-builtins.h: Delete file.
5019
5020         * config/spu/spu.h (enum spu_builtin_type): Move here from
5021         spu-builtins.h.
5022         (struct spu_builtin_description): Likewise.  Add GTY marker.
5023         Do not use enum spu_function_code or enum insn_code.
5024         (spu_builtins): Add extern declaration.
5025
5026         * config/spu/spu.c: Do not include "spu-builtins.h".
5027         (enum spu_function_code, enum spu_builtin_type_index,
5028         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
5029         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
5030         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
5031         unsigned_V2DI_type_node): Move here from spu-builtins.h.
5032         (spu_builtin_types): Make static.  Add GTY marker.
5033         (spu_builtins): Add extern declaration with GTY marker.
5034         Include "gt-spu.h".
5035
5036         * config/spu/spu-c.c: Do not include "spu-builtins.h".
5037         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
5038         Check programmatically whether all parameters are scalar.
5039
5040         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
5041
5042 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
5043
5044         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
5045         assignment from the constructor either if the target is volatile.
5046
5047 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
5048
5049         * config/arm/arm.md (insv): Do not share operands[0].
5050
5051 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5052
5053         * config/vxlib-tls.c (active_tls_threads): Delete.
5054         (delete_hook_installed): New.
5055         (tls_delete_hook): Don't delete the delete hook.
5056         (tls_destructor): Delete it here.
5057         (__gthread_set_specific): Adjust installing the delete hook.
5058         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
5059         __gthread_leave_tsd_dtor_context.
5060
5061 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
5062
5063         * c-format.c (gcc_tdiag_char_table): Add support for %E.
5064
5065 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
5066
5067         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
5068         enum type.
5069         (alpha_rtx_costs): Ditto.
5070         (emit_unlikely_jump): Use add_reg_note.
5071         (emit_frame_store_1): Ditto.
5072         (alpha_expand_prologue): Ditto.
5073         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5074         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
5075
5076 2009-04-23  Nick Clifton  <nickc@redhat.com>
5077
5078         * config/v850/v850.md (epilogue): Remove suppressed code.
5079         (return): Rename to return_simple and remove test of frame size.
5080         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
5081         to gen_return_simple.
5082
5083 2009-04-22  Jing Yu  <jingyu@google.com>
5084
5085         PR testsuite/39781
5086         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5087
5088 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5089
5090         PR C/31499
5091         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
5092         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
5093         value is a VECTOR_CST, the element type is the element type of the
5094         vector.
5095
5096 2009-04-22  DJ Delorie  <dj@redhat.com>
5097
5098         * config/m32c/m32c.h: Update GTY annotations to new syntax.
5099
5100 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
5101
5102         * alias.c (find_base_term): Move around LO_SUM case, so that
5103         CONST falls through into PLUS/MINUS handling.
5104
5105         PR c/39855
5106         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
5107         into 0, use omit_one_operand.
5108
5109 2009-04-23  Ben Elliston  <bje@au.ibm.com>
5110
5111         * config/rs6000/linux-unwind.h (get_regs): Remove type
5112         puns. Change the type of `pc' to an array of unsigned ints and
5113         update all users.  Constify frame24.
5114
5115 2009-04-22  DJ Delorie  <dj@redhat.com>
5116
5117         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
5118         declarations before code.
5119         (current_function_special_page_vector): Likewise.
5120         (m32c_expand_insv): Silence a warning.
5121
5122 2009-04-21  Taras Glek  <tglek@mozilla.com>
5123
5124         * alias.c: Update GTY annotations to new syntax.
5125         * basic-block.h: Likewise.
5126         * bitmap.h: Likewise.
5127         * c-common.h: Likewise.
5128         * c-decl.c: Likewise.
5129         * c-parser.c: Likewise.
5130         * c-pragma.c: Likewise.
5131         * c-tree.h: Likewise.
5132         * cfgloop.h: Likewise.
5133         * cgraph.h: Likewise.
5134         * config/alpha/alpha.c: Likewise.
5135         * config/arm/arm.h: Likewise.
5136         * config/avr/avr.h: Likewise.
5137         * config/bfin/bfin.c: Likewise.
5138         * config/cris/cris.c: Likewise.
5139         * config/darwin.c: Likewise.
5140         * config/frv/frv.c: Likewise.
5141         * config/i386/i386.c: Likewise.
5142         * config/i386/i386.h: Likewise.
5143         * config/i386/winnt.c: Likewise.
5144         * config/ia64/ia64.h: Likewise.
5145         * config/iq2000/iq2000.c: Likewise.
5146         * config/mips/mips.c: Likewise.
5147         * config/mmix/mmix.h: Likewise.
5148         * config/pa/pa.c: Likewise.
5149         * config/pa/pa.h: Likewise.
5150         * config/rs6000/rs6000.c: Likewise.
5151         * config/s390/s390.c: Likewise.
5152         * config/sparc/sparc.c: Likewise.
5153         * config/xtensa/xtensa.c: Likewise.
5154         * cselib.h: Likewise.
5155         * dbxout.c: Likewise.
5156         * dwarf2out.c: Likewise.
5157         * except.c: Likewise.
5158         * except.h: Likewise.
5159         * fixed-value.h: Likewise.
5160         * function.c: Likewise.
5161         * function.h: Likewise.
5162         * gimple.h: Likewise.
5163         * integrate.c: Likewise.
5164         * optabs.c: Likewise.
5165         * output.h: Likewise.
5166         * real.h: Likewise.
5167         * rtl.h: Likewise.
5168         * stringpool.c: Likewise.
5169         * tree-data-ref.c: Likewise.
5170         * tree-flow.h: Likewise.
5171         * tree-scalar-evolution.c: Likewise.
5172         * tree-ssa-address.c: Likewise.
5173         * tree-ssa-alias.h: Likewise.
5174         * tree-ssa-operands.h: Likewise.
5175         * tree.c: Likewise.
5176         * tree.h: Likewise.
5177         * varasm.c: Likewise.
5178         * varray.h: Likewise.
5179         * vec.h: Likewise.
5180         * coretypes.h: Do not define GTY macro if it is already defined.
5181         * doc/gty.texi: Update GTY documentation to new syntax.
5182         * gengtype-lex.l: Enforce attribute-like syntax for GTY
5183         annotations on structs.
5184         * gengtype-parse.c: Likewise.
5185
5186 2009-04-22  Mark Heffernan  <meheff@google.com>
5187
5188         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
5189
5190 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5191
5192         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
5193         where appropriate.
5194
5195 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5196
5197         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
5198         the same as a PLUS without a shift.  Increase the cost of a
5199         CONST_INT in MULT.
5200
5201 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5202
5203         * Makefile.in: Update dependencies.
5204         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
5205         * errors.h: Remove bogus comment about compatibility.
5206         (warning): Update declaration.
5207         * genautomata.c: Update all calls to warning.
5208         * gimple.c: Do not include errors.h. Include toplev.h.
5209         * tree-ssa-structalias.c: Do not include errors.h.
5210         * omega.c: Likewise.
5211         * tree-ssa-reassoc.c: Likewise.
5212         * config/spu/spu-c.c: Likewise.
5213         * config/spu/t-spu-elf: Update dependencies.
5214
5215 2009-04-22  Richard Guenther  <rguenther@suse.de>
5216
5217         PR tree-optimization/39824
5218         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
5219         make sure the types are compatible.
5220
5221 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5222
5223         PR c++/14875
5224         * c-common.c (c_parse_error): Take a token_flags parameter.
5225         Use token_type for the token type instead.
5226         Pass token_flags to cpp_type2name.
5227         * c-common.h (c_parse_error): Update declaration.
5228         * c-parser.c (c_parser_error): Pass 0 as token flags.
5229
5230 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
5231
5232         PR rtl-optimization/39580
5233         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
5234         
5235 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5236
5237         * function.c (expand_function_end): Do not emit a jump to the "naked"
5238         return label for fall-through returns.
5239         * except.c (sjlj_emit_function_exit): Always place the call to the
5240         unregister function at the location installed by expand_function_end.
5241
5242 2009-04-22  Richard Guenther  <rguenther@suse.de>
5243
5244         PR tree-optimization/39845
5245         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
5246         (gen_inbound_check): Likewise.
5247
5248 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5249
5250         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
5251         padding for PPC.
5252         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
5253         * config/vxlib.c (__gthread_once): Add race guard for PPC.
5254
5255 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5256
5257         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
5258         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
5259         shift counts to avoid out-of-bounds array accesses.
5260
5261 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5262
5263         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
5264         (Pmode): Move above.
5265
5266 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
5267
5268         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
5269         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
5270         GET_CODE macro.  Use IN_RANGE macro where appropriate.
5271         * config/alpha/alpha.h: Ditto.
5272         * config/alpha/alpha.md: Ditto.
5273         * config/alpha/constraints.md: Ditto.
5274         * config/alpha/predicates.md: Ditto.
5275         
5276 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5277
5278         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
5279         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5280         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5281         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5282         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5283         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5284         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5285         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5286         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5287         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5288         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5289         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5290         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5291         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5292         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5293         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5294         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5295         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5296         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5297         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5298         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5299         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5300         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5301         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5302         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5303         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5304         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5305
5306 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5307
5308         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
5309         references from comments.
5310         * cfgbuild.c: (count_basic_blocks): Delete.
5311         (find_basic_blocks_1): Delete.
5312         (find_basic_blocks): Delete.
5313         * except.c (finish_eh_generation): Make static.  Move comment from
5314         except.h here.  Remove find_basic_blocks references from comments.
5315         * except.h (finish_eh_generation): Delete.
5316         * basic-block.h (find_basic_blocks): Delete.
5317         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
5318
5319 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5320
5321         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
5322         (sdbout_parms):  Likewise.
5323
5324 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5325
5326         * config/sh/sh.c (prepare_cbranch_operands): Use
5327         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
5328         (expand_cbranchdi4): Likewise.
5329         (from_compare): Add cast to enum type.
5330         (expand_cbranchsi4): Use add_reg_note.
5331         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
5332         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
5333         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
5334         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5335         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
5336         instead of CODE_FOR_nothing.
5337         (cbranchdi4): Likewise.  Fix the order of arguments for
5338         gen_rtx_fmt_ee.
5339         (push_fpscr): Use add_reg_note.
5340         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
5341         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
5342         
5343 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
5344
5345         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
5346         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5347         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5348         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
5349         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
5350         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
5351         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
5352         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
5353         config/alpha/x-vms, config/arc/t-arc,
5354         config/arm/README-interworking, config/arm/arm-c.c,
5355         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
5356         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
5357         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
5358         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
5359         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
5360         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
5361         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
5362         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
5363         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
5364         config/cris/t-elfmulti, config/crx/t-crx,
5365         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
5366         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
5367         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
5368         config/h8300/t-h8300, config/i386/athlon.md,
5369         config/i386/darwin-libgcc.10.4.ver,
5370         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
5371         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
5372         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
5373         config/i386/t-linux64, config/i386/t-nwld,
5374         config/i386/t-rtems-i386, config/i386/t-sol2-10,
5375         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
5376         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
5377         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
5378         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
5379         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
5380         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
5381         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
5382         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
5383         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
5384         config/m68k/t-uclinux, config/mcore/t-mcore,
5385         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
5386         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
5387         config/mips/crtn.asm, config/mips/irix-crti.asm,
5388         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
5389         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
5390         config/mips/mips-fixed.md, config/mips/sb1.md,
5391         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
5392         config/mips/t-iris6, config/mips/t-isa3264,
5393         config/mips/t-libgcc-mips16, config/mips/t-linux64,
5394         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
5395         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
5396         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
5397         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
5398         config/mn10300/t-linux, config/mn10300/t-mn10300,
5399         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
5400         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
5401         config/picochip/libgccExtras/clzsi2.asm,
5402         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
5403         config/rs6000/darwin-libgcc.10.4.ver,
5404         config/rs6000/darwin-libgcc.10.5.ver,
5405         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
5406         config/rs6000/t-aix43, config/rs6000/t-aix52,
5407         config/rs6000/t-darwin, config/rs6000/t-fprules,
5408         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
5409         config/rs6000/t-lynx, config/rs6000/t-netbsd,
5410         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
5411         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
5412         config/rs6000/t-rtems, config/rs6000/t-spe,
5413         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
5414         config/score/t-score-elf, config/sh/divcost-analysis,
5415         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
5416         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
5417         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
5418         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
5419         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
5420         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
5421         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
5422         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
5423         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
5424         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
5425         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
5426         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
5427         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
5428         limitx.h, version.c, xcoff.h: Add copyright and license notices.
5429         * config/h8300/genmova.sh: Include copyright and license notices
5430         in generated output.
5431         * config/h8300/mova.md: Regenerate.
5432         * doc/install.texi2html: Include word "Copyright" in copyright
5433         notice and use name "Free Software Foundation, Inc.".
5434         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5435         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5436         ChangeLog-2007, ChangeLog-2008: Correct dates.
5437
5438 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
5439
5440         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
5441         NE_EXPR operations as well.
5442         * c-parser.c (c_parser_condition): Do not set location information on
5443         the condition.
5444         (c_parser_conditional_expression): Likewise.
5445         (c_parser_binary_expression): Set location information on operators.
5446         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
5447         TRUTH_NOT_EXPR has been folded.
5448         * fold-const.c (fold_truth_not_expr): Copy location information from
5449         the incoming expression to the outgoing one.
5450         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
5451         recursive calls on the LHS of the operator but pass that of the
5452         operator to recursive calls on the RHS of the operator.  Set it
5453         on the COND_EXPR.
5454         (shortcut_cond_expr): Set the locus of the operator on the second
5455         COND_EXPR and that of the expression on the first in degenerate cases.
5456         Pass the locus of the expression to calls to shortcut_cond_r.
5457         Set the locus of the 'then' block on the associated jump, if any.
5458         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
5459         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
5460         expression to call to gimplify_boolean_expr.
5461
5462 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
5463
5464         * config.gcc: Add additional configuration for
5465         i686-w64-mingw* and x86_64-w64-mingw* triplet.
5466         * config/i386/mingw-w64.h: New mingw-w64 specific header.
5467         (CPP_SPEC): Redefine for allowing -municode option.
5468         (STARTFILE_SPEC): Likewise.
5469         * config/i386/t-mingw-w64: New.
5470         * config/i386/mingw-w64.opt: New.
5471         (municode): Add new target option.
5472         * doc/invoke.texi (municode): Add documentation for new option.
5473
5474 2009-04-21  Ian Lance Taylor  <iant@google.com>
5475
5476         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5477         Correct test for number of arguments.
5478         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
5479
5480 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
5481
5482         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
5483         argument of emit_library_call.
5484
5485 2009-04-21  Richard Guenther  <rguenther@suse.de>
5486
5487         PR middle-end/39829
5488         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
5489         inside VIEW_CONVERT_EXPRs.
5490
5491 2009-04-21  Martin Jambor  <mjambor@suse.cz>
5492
5493         * tree-switch-conversion.c (build_constructors): Split a long line.
5494         (constructor_contains_same_values_p): New function.
5495         (build_one_array): Create assigns of constants if possible, do not
5496         call mark_sym_for_renaming, call update_stmt.
5497         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
5498         make_rename_temp.  Do not call mark_symbols_for_renaming, call
5499         update_stmt.
5500         (gen_def_assigns): Do not call mark_symbols_for_renaming or
5501         find_new_referenced_vars, call update_stmt.
5502         (gen_inbound_check): Use create_tmp_var and create ssa names manually
5503         instead of calling make_rename_temp.  Do not call
5504         find_new_referenced_vars or mark_symbols_for_renaming, call
5505         update_stmt.
5506
5507 2009-04-21  Richard Guenther  <rguenther@suse.de>
5508
5509         PR tree-optimization/39827
5510         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
5511         (tree_ssa_phiprop): Pass the correct array size.
5512
5513 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
5514
5515         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
5516
5517 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5518
5519         PR 16202
5520         * c-typeck.c (lvalue_p): Move declaration ...
5521         * c-common.h (lvalue_p): ... to here.
5522         * c-common.c (candidate_equal_p): New.
5523         (add_tlist): Use it.
5524         (merge_tlist): Use it.
5525         (warn_for_collisions_1): Likewise.
5526         (warning_candidate_p): Accept more candidates.
5527         (verify_tree): A warning candidate can be an expression. Use
5528         candidate_equal_p.
5529
5530 2009-04-21  Ben Elliston  <bje@au.ibm.com>
5531
5532         PR target/5267
5533         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5534         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
5535         options.  Remove -mcall-solaris documentation.
5536
5537 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5538
5539         PR c++/13358
5540         * doc/invoke.texi (-Wlong-long): Update description.
5541         * c-lex (interpret_integer): Only warn if there was no previous
5542         overflow and -Wlong-long is enabled.
5543         * c-decl.c (declspecs_add_type): Drop redundant flags.
5544         * c.opt (Wlong-long): Init to -1.
5545         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
5546         and front-end warn_long_long. Wlong-long only depends on other
5547         flags if it is uninitialized.
5548         * c-parser.c (disable_extension_diagnostics): warn_long_long is
5549         the same for CPP and FE.
5550         (restore_extension_diagnostics): Likewise.
5551
5552 2009-04-20  Ian Lance Taylor  <iant@google.com>
5553
5554         Fix enum conversions which are invalid in C++:
5555         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
5556         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
5557         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
5558         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
5559         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
5560         (dbxout_parms): Likewise.
5561         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
5562         (df_clear_flags): Likewise.
5563         * df-problems.c (df_rd_bb_local_compute_process_def): Change
5564         top_flag parameter to int.
5565         (df_chain_create_bb_process_use): Likewise.
5566         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
5567         Remove cast.
5568         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
5569         (df_ref_create_structure, df_def_record_1): Likewise.
5570         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
5571         (df_notes_rescan): Change 0 to VOIDmode in function call.
5572         (df_get_call_refs, df_insn_refs_collect): Likewise.
5573         (df_bb_regs_collect): Likewise.
5574         (df_entry_block_defs_collect): Likewise.
5575         (df_exit_block_uses_collect): Likewise.
5576         * df.h: Update declarations.
5577         * double-int.c (double_int_divmod): Add cast to enum type.
5578         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
5579         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
5580         (based_loc_descr): Likewise.
5581         (loc_descriptor_from_tree_1): Change first_op and second_op to
5582         enum dwarf_location_atom.  Add cast to enum type.
5583         * expmed.c (init_expmed): Change 0 to SET in function call.
5584         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
5585         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
5586         (do_store_flag): Likewise.
5587         * fixed-value.h (struct fixed_value): Change mode to enum
5588         machine_mode.
5589         * function.c (assign_parms): Change 0 to VOIDmode in function call.
5590         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
5591         function call.
5592         (insert_insn_decl, insert_decl, insert_state): Likewise.
5593         (automata_list_finish): Likewise.
5594         * genrecog.c (process_define_predicate): Add cast to enum type.
5595         * gensupport.c (init_predicate_table): Add cast to enum type.
5596         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
5597         function call.
5598         (gimple_build_call_1, gimple_build_label): Likewise.
5599         (gimple_build_goto, gimple_build_asm_1): Likewise.
5600         (gimple_build_switch_1, gimple_build_cdt): Likewise.
5601         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
5602         (enum fallback): Rename from enum fallback_t.
5603         (fallback_t): Typedef as int.
5604         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
5605         GSI_SAME_STMT in function call.
5606         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
5607         enum type.
5608         (setup_reg_class_relations): Likewise.
5609         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
5610         (setup_prohibited_class_mode_regs): Add cast to enum type.
5611         (setup_prohibited_mode_move_regs): Likewise.
5612         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
5613         (record_address_regs): Change i to enum reg_class.
5614         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
5615         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
5616         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
5617         (GET_MODE_2XWIDER_MODE): Likewise.
5618         (GET_CLASS_NARROWEST_MODE): Likewise.
5619         * omp-low.c (expand_omp_for): Add cast to enum type.
5620         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
5621         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
5622         * postreload.c (reload_cse_simplify_operands): Change rclass local
5623         to enum reg_class.
5624         * predict.c (combine_predictions_for_insn): Change best_predictor
5625         and predictor to enum br_predictor.
5626         (combine_predictions_for_bb): Likewise.
5627         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
5628         use SET_PREDICT_EXPR_OUTCOME.
5629         * real.c (real_arithmetic): Change icode to code in function call.
5630         * reginfo.c (init_move_cost): Add casts to enum type.
5631         (init_reg_sets_1, init_fake_stack_mems): Likewise.
5632         * regmove.c (regclass_compatible_p): Change class0 and class1 to
5633         enum reg_class.
5634         * reload.c (find_valid_class): Add casts to enum type.
5635         (push_reload): Change 0 to NO_REGS in function call.
5636         (find_reloads): Change this_alternative to array of enum
5637         reg_class.  Remove some now-unnecessary casts.
5638         (make_memloc): Change 0 to VOIDmode in function call.
5639         * reload1.c (reload): Change 0 to VOIDmode in function call.
5640         (eliminate_regs_1, elimination_effects): Likewise.
5641         (eliminate_regs_in_insn): Likewise.
5642         (emit_input_reload_insns): Add cast to enum type.
5643         (delete_output_reload): Change 0 to VOIDmode in function call.
5644         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
5645         to enum type in function call.
5646         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
5647         (SET_PREDICT_EXPR_OUTCOME): Define.
5648         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
5649         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
5650         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
5651         (dump_function): Likewise.
5652         * tree-dump.h: Update declarations.
5653         * tree-pass.h: Update declarations.
5654         * varasm.c (assemble_integer): Change mclass to enum mode_class.
5655         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
5656         enum type.
5657         (arm_rtx_costs_1): Correct parenthesization.
5658         (arm_rtx_costs): Add casts to enum type.
5659         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
5660         (vfp_emit_fstmd): Use add_rg_note.
5661         (emit_multi_reg_push, emit_sfm): Likewise.
5662         (thumb_set_frame_pointer): Likewise.
5663         (arm_expand_prologue): Likewise.
5664         (arm_regno_class): Change return type to enum reg_class.
5665         (thumb1_expand_prologue): Use add_reg_note.
5666         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
5667         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
5668         in function call.
5669         * config/arm/gentune.sh: Add cast to enum type.
5670         * config/arm/arm-tune.md: Rebuild.
5671         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
5672         (ix86_split_fp_branch, predict_jump): Likewise.
5673         (ix86_expand_multi_arg_builtin): Change sub_code from enum
5674         insn_code to enum rtx_code.
5675         (ix86_builtin_vectorized_function): Add cast to enum type.
5676         * config/i386/i386.md (truncdfsf2): Change slot to enum
5677         ix86_stack_slot.
5678         (truncxf<mode>2, isinf<mode>2): Likewise.
5679         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
5680         enum type.
5681         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
5682         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
5683         (insert_bundle_state): Change 1 to INSERT in function call.
5684         (ia64_add_bundle_selector_before): Likewise.
5685         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
5686         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
5687         (restore_stack_nonlocal): Likewise.
5688         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
5689         function call.
5690         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
5691         function call.
5692         (mips_rtx_costs): Likewise.
5693         (mips_override_options): Add casts to enum type.
5694         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
5695         in function call.
5696         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
5697         (store_reg, set_reg_plus_d): Likewise.
5698         (hppa_expand_prologue, hppa_profile_hook): Likewise.
5699         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5700         cast to enum type.
5701         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
5702         function call.
5703         (emit_unlikely_jump): Use add_reg_note.
5704         (rs6000_emit_allocate_stack): Likewise.
5705         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
5706         (output_toc): Change 1 to INSERT in function call.
5707         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
5708         (rs6000_initialize_trampoline): Likewise.
5709         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
5710         function call.
5711         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
5712         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
5713         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
5714         (save_gprs): Use add_reg_note.
5715         (s390_emit_prologue): Likewise.
5716         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5717         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
5718         (sparc_fold_builtin): Add cast to enum type.
5719         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
5720         enum insn_code.
5721         (spu_expand_prologue): Use add_reg_note.
5722         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
5723
5724 2009-04-20  Ian Lance Taylor  <iant@google.com>
5725
5726         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
5727         (c_parser_postfix_expression_after_primary): Get VEC for list of
5728         arguments.  Get original types of arguments.  Call
5729         build_function_call_vec.
5730         (cached_expr_list_1, cached_expr_list_2): New static variables.
5731         (c_parser_expr_list): Change return type to VEC *.  Add
5732         p_orig_types parameter.  Change all callers.
5733         (c_parser_release_expr): New static function.
5734         (c_parser_vec_to_tree_list): New static function.
5735         * c-typeck.c (build_function_call): Rewrite to build a VEC and
5736         call build_function_call_vec.
5737         (build_function_call_vec): New function, based on old
5738         build_function_call.
5739         (convert_arguments): Remove nargs and argarray parameters.  Change
5740         values to a VEC.  Add origtypes parameter.
5741         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
5742         (convert_for_assignment): Add origtype parameter.  Change all
5743         callers.  If warn_cxx_compat, check for conversion to an enum
5744         type when calling a function.
5745         (store_init_value): Add origtype parameter.  Change all callers.
5746         (digest_init): Likewise.
5747         (struct init_node): Add origtype field.
5748         (add_pending_init): Add origtype parameter.  Change all callers.
5749         (output_init_element): Likewise.
5750         (output_pending_init_elements): Pass origtype from init_node to
5751         output_init_element.
5752         (process_init_element): Pass origtype from c_expr to
5753         output_init_element.
5754         (c_finish_return): Add origtype parameter.  Change all callers.
5755         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
5756         caller.
5757         (sync_resolve_params): Likewise.
5758         (sync_resolve_return): Change params to first_param.  Change caller.
5759         (resolve_overloaded_builtins): Change params to VEC *.  Change
5760         callers.  Save first parameter around call to build_function_call_vec.
5761         * c-decl.c (finish_decl): Add origtype parameter.  Change all
5762         callers.  Call build_function_call_vec rather than
5763         build_function_call for cleanup.
5764         * c-tree.h: Update declarations.
5765         * c-common.h: Update declarations.
5766         * stub-objc.c (objc_rewrite_function_call): Change parameter from
5767         params to first_param.
5768         * target.h (struct gcc_target): Change resolve_overloaded_builtin
5769         params parameter from tree to void *.
5770         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5771         Change arglist parameter to have type void *, and to be a pointer
5772         to a VEC.
5773         * config/rs6000/rs6000-protos.h
5774         (altivec_resolve_overloaded_builtin): Update declaration.
5775         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
5776         fnargs parameter to have type void *, and to be a pointer to a
5777         VEC.  Call build_function_call_vec instead of
5778         build_function_call.
5779         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
5780
5781 2009-04-20  Joey Ye  <joey.ye@intel.com>
5782             Xuepeng Guo  <xuepeng.guo@intel.com>
5783             H.J. Lu  <hongjiu.lu@intel.com>
5784
5785         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
5786
5787         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
5788         (IX86_LEA_PRIORITY): Likewise.
5789         (distance_non_agu_define): New function.
5790         (distance_agu_use): Likewise.
5791         (ix86_lea_for_add_ok): Likewise.
5792         (ix86_dep_by_shift_count): Likewise.
5793
5794         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
5795         should split for LEA.
5796
5797         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
5798         function.
5799         (ix86_dep_by_shift_count): Likewise.
5800
5801 2009-04-20  Richard Guenther  <rguenther@suse.de>
5802
5803         * expr.c (handled_component_p): Move ...
5804         * tree.h (handled_component_p): ... here.
5805         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
5806         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
5807         and REALPART_EXPR to be in one group.
5808
5809 2009-04-20  Richard Guenther  <rguenther@suse.de>
5810
5811         * basic-block.h (get_all_dominated_blocks): Declare.
5812         * dominance.c (get_all_dominated_blocks): New function.
5813         * tree-cfg.c (get_all_dominated_blocks): Remove.
5814         (remove_edge_and_dominated_blocks): Adjust.
5815         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5816         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5817         instead of recursing.
5818
5819 2009-04-20  Doug Kwan  <dougkwan@google.com>
5820
5821         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5822         (struct cgraph_node_set_def): New type.
5823         (cgraph_node_set) New type. Also declare vector functions.
5824         (struct cgraph_node_set_element_def): New type.
5825         (cgraph_node_set_element): Ditto.
5826         (cgraph_node_set_iterator): New iterator type.
5827         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5828         cgraph_node_set_remove, dump_cgraph_node_set,
5829         debug_cgraph_node_set): New prototypes.
5830         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5831         cgraph_node_set_size): New inlines.
5832         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5833         including cgraph.h.
5834         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5835         argument to function 'write_summary'.
5836         * ipa.c: Include ggc.h.
5837         (hash_cgraph_node_set_element,
5838         eq_cgraph_node_set_element, cgraph_node_set_new,
5839         cgraph_node_set_add, cgraph_node_set_remove,
5840         cgraph_node_set_find, dump_cgraph_node_set,
5841         debug_cgraph_node_set): New functions.
5842         * Makefile.in (ipa.o): Add dependency on GGC_H.
5843
5844 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5845
5846         PR tree-optimization/39675
5847         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5848         check of the return code of vect_schedule_slp. Check that
5849         stmt_vec_info still exists for the statement, before checking its
5850         vectorization type.
5851
5852 2009-04-20  Michael Matz  <matz@suse.de>
5853
5854         * Makefile.in (generated_files): Take out $(simple_generated_c).
5855
5856 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5857
5858         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5859         (UINTPTR_TYPE):  Likewise.
5860
5861 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5862
5863         PR c/37481
5864         * c-typeck.c (digest_init): Check for initializing an array with a
5865         string literal.
5866
5867 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5868
5869         PR c/19771
5870         * c-semantics.c (pop_stmt_list): Propagate
5871         STATEMENT_LIST_HAS_LABEL to parent statement list.
5872
5873 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5874
5875         * config/mips/mips.h (mips_tune_attr): New macro.
5876         * config/mips/mips.md (cpu): Use it.
5877
5878 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5879
5880         PR c/38243
5881         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5882         declaring a tag.
5883
5884 2009-04-19  Diego Novillo  <dnovillo@google.com>
5885
5886         * toplev.c (compile_file): Move call to coverage_finish ...
5887         * cgraphunit.c (ipa_passes): ... here.
5888         Call cgraph_process_new_functions.
5889         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5890         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5891
5892 2009-04-19  Jan Hubicka  <jh@suse.cz>
5893
5894         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5895         cfun.
5896         (dump_cgraph_node): Dump can throw external flag.
5897         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5898
5899 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5900
5901         PR c/32061
5902         PR c++/36954
5903         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5904         * common.opt (Wlogical-op): Move from here...
5905         * c.opt (Wlogical-op): ... to here.
5906         * c-typeck.c (parser_build_binary_op): Update call to
5907         warn_logical_operator.
5908         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5909         extra_warnings.
5910         * c-common.c (warn_logical_op): Update.
5911         * c-common.h (warn_logical_op): Update declaration.
5912
5913 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5914
5915         * tree.c (protected_set_expr_location): Fix formatting.
5916
5917 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5918
5919         PR c/27676
5920         * c-typeck.c (readonly_warning): new.
5921         (build_unary_op, build_modify_expr): Use readonly_warning for
5922         storing into something readonly but not const-qualified.
5923
5924 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5925
5926         PR c/22367
5927         * c-typeck.c (build_unary_op): Check for taking address of
5928         expression of type void.
5929
5930 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5931
5932         PR c/35210
5933         * c-typeck.c (build_function_call): Check for calling a function
5934         with qualified void return types.  Call require_complete_type when
5935         generating a trap.
5936
5937 2009-04-18  Jan Hubicka  <jh@suse.cz>
5938
5939         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5940         Set nothrow flag.
5941         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5942         can_throw_external flag.
5943         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5944         * ipa-pure-const.c (ignore_edge): New function.
5945         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5946         only over can_throw_external edges.
5947         (local_pure_const): Add nothrow flag.
5948         * ipa-utils.c (searchc): Add ignore_edge callback.
5949         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5950         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5951         (set_nothrow_function_flags): Update cgraph.
5952         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5953
5954 2009-04-18  Richard Guenther  <rguenther@suse.de>
5955
5956         PR middle-end/39804
5957         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5958         (fold_stmt): ... this and ...
5959         (fold_stmt_inplace): ... this.
5960         (fold_stmt_1): Fold references in calls and asms.
5961         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5962
5963 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5964
5965         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5966         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5967
5968 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5969
5970         * tree.c (function_args_count): Remove.
5971         * tree.h: Remove the prototype for function_args_count.
5972
5973 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5974
5975         * tree-iterator.c (expr_only): Remove.
5976         * tree.h: Remove the prototype for expr_only.
5977
5978 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5979
5980         * reginfo.c (cannot_change_mode_set_regs): Remove.
5981         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5982
5983 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5984
5985         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5986         whether operands 0 and 1 overlaps.
5987
5988 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5989
5990         PR middle-end/36902
5991         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5992         pointer. Use warning_at instead of warning.
5993         (search_for_addr_array): Likewise.
5994         (check_array_bounds): Likewise.
5995         (check_all_array_refs): Check that the incoming edge is not in the
5996         list of edges to be removed.
5997         (check_all_array_refs): Avoid the temporal pointer.
5998         (vrp_visit_cond_stmt): Fix typo.
5999         (simplify_switch_using_ranges): Handle the case where the switch
6000         index is an integer constant.
6001
6002 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
6003
6004         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
6005
6006 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6007
6008         * doc/extend.texi, doc/invoke.texi: Fix typos.
6009
6010 2009-04-17  Cary Coutant  <ccoutant@google.com>
6011
6012         * tree-flow-inline.h (get_lineno): Fix inverted test.
6013
6014 2009-04-17  Diego Novillo  <dnovillo@google.com>
6015
6016         * tree-ssa-pre.c (create_expression_by_pieces): Remove
6017         assertion for AVAIL_OUT.
6018
6019 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
6020
6021         PR target/38627
6022         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
6023         * config/sh/linux-atomic.asm: Likewise.
6024
6025 2009-04-17  Diego Novillo  <dnovillo@google.com>
6026
6027         * except.c (debug_eh_tree): New.
6028         (struct eh_region, struct eh_status): Move ...
6029         * except.h: ... here.
6030         (add_type_for_runtime): Declare extern.
6031         (lookup_type_for_runtime): Likewise.
6032         (debug_eh_tree): Declare.
6033         * Makefile.in (GTFILES): List except.h before except.c
6034
6035 2009-04-17  Diego Novillo  <dnovillo@google.com>
6036
6037         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
6038         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6039         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
6040         (find_vars_r): ... here.
6041         * tree-flow.h (find_referenced_vars_in): Declare.
6042         * tree-ssa-pre.c (create_expression_by_pieces): Assert
6043         that AVAIL_OUT exists for BLOCK.
6044         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
6045         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
6046         (tree-parloops.o): Likewise.
6047
6048 2009-04-17  Simon Baldwin  <simonb@google.com>
6049
6050         * toplev.c (default_tree_printer): Add handling for %E format.
6051
6052 2009-04-17  Diego Novillo  <dnovillo@google.com>
6053
6054         * tree-pretty-print.c (dump_generic_node): Add break after
6055         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
6056         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
6057         FUNCTION_TYPE together.  Call print_struct_decl when printing
6058         structures and TDF_SLIM is not given.
6059         (print_struct_decl): Fix logic for detecting recursion.
6060
6061 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6062
6063         PR 31567
6064         * gcc.c (create_at_file): New.
6065         (compile_input_file_p): New.
6066         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
6067         * main.c (main): Update call to toplev_main.
6068         * toplev.c (toplev_main): Change signature. Call expandargv.
6069         * toplev.h (toplev_main): Change signature.
6070
6071 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6072
6073         * dwarf2out.c (field_byte_offset): Use the type size as the field size
6074         if the latter is not constant.
6075
6076 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
6077
6078         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
6079
6080 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6081
6082         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
6083         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
6084
6085 2009-04-17  Richard Guenther  <rguenther@suse.de>
6086
6087         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6088         Handle component references view-converting an invariant address.
6089
6090 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
6091
6092         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
6093         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
6094         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
6095         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
6096         Use @deftypevr rather than @deftypevar.
6097
6098 2009-04-17  Richard Guenther  <rguenther@suse.de>
6099
6100         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
6101         (get_prop_source_stmt): Likewise.
6102         (can_propagate_from): Likewise.
6103
6104 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
6105
6106         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
6107         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
6108         (--with-multilib-list): Add default value.
6109         * configure: Regenerate.
6110         * Makefile.in (TM_ENDIAN_CONFIG): Define.
6111         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
6112         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
6113         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
6114         Don't add default cpu to multilib list unnecessarily, but do enable
6115         the relevant compiler option..
6116         Add support for --with-multilib-list=<blank> and
6117         --with-multilib-list=!<somelib> to supress unwanted multilibs.
6118         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
6119         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
6120         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
6121         TM_MULTILIB_CONFIG.
6122         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
6123         (MULTILIB_OSDIRNAMES): New variable.
6124         * config/sh/t-1e: Delete file.
6125         * config/sh/t-mlib-sh1: Delete file.
6126         * config/sh/t-mlib-sh2: Delete file.
6127         * config/sh/t-mlib-sh2a: Delete file.
6128         * config/sh/t-mlib-sh2a-nofpu: Delete file.
6129         * config/sh/t-mlib-sh2a-single: Delete file.
6130         * config/sh/t-mlib-sh2a-single-only: Delete file.
6131         * config/sh/t-mlib-sh2e: Delete file.
6132         * config/sh/t-mlib-sh3e: Delete file.
6133         * config/sh/t-mlib-sh4: Delete file.
6134         * config/sh/t-mlib-sh4-nofpu: Delete file.
6135         * config/sh/t-mlib-sh4-single: Delete file.
6136         * config/sh/t-mlib-sh4-single-only: Delete file.
6137         * config/sh/t-mlib-sh4a: Delete file.
6138         * config/sh/t-mlib-sh4a-nofpu: Delete file.
6139         * config/sh/t-mlib-sh4a-single: Delete file.
6140         * config/sh/t-mlib-sh4a-single-only: Delete file.
6141         * config/sh/t-mlib-sh4al: Delete file.
6142         * config/sh/t-mlib-sh5-32media: Delete file.
6143         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
6144         * config/sh/t-mlib-sh5-64media: Delete file.
6145         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
6146         * config/sh/t-mlib-sh5-compact: Delete file.
6147         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
6148         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
6149         * doc/install.texi (Options specification): Add
6150         --with-multilib-list and --with-endian.
6151
6152 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6153
6154         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
6155         REVISION_c.
6156         (OBJS-common): Add plugin-version.o.
6157         (plugin-version.o): New.
6158         * gcc-plugin.h (plugin_gcc_version): New.
6159         (plugin_default_version_check): New.
6160         (plugin_init_func, plugin_init): Add version argument.
6161         * plugin-version.c: New.
6162         * plugin.c (str_plugin_gcc_version_name): New.
6163         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
6164         pass it to the init function.
6165         (plugin_default_version_check): New.
6166
6167 2009-04-17  Richard Guenther  <rguenther@suse.de>
6168
6169         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
6170         for decl-vs-decl disambiguation.
6171
6172 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6173
6174         * config/s390/s390.h (s390_tune_attr): New macro definition.
6175         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
6176
6177 2009-04-17  Richard Guenther  <rguenther@suse.de>
6178
6179         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
6180         (fold_stmt_r): Likewise.
6181         (maybe_fold_reference): New function.
6182         (fold_gimple_assign): Handle cases fold_stmt_r did.
6183         (fold_stmt): Do not use fold_stmt_r.
6184         (fold_stmt_inplace): Likewise.
6185
6186 2009-04-17  Richard Guenther  <rguenther@suse.de>
6187
6188         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
6189         (record_equivalences_from_stmt): Remove useless checks and
6190         simplifications.
6191         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
6192         the type is already suitable.
6193
6194 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
6195
6196         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
6197
6198 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
6199
6200         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
6201         (CMPtype): Define as __gcc_CMPtype.
6202
6203 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
6204
6205         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
6206         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
6207
6208 2009-04-17  Richard Guenther  <rguenther@suse.de>
6209
6210         PR tree-optimization/39746
6211         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
6212         special-casing for builtins and static variable use/def.
6213         (call_may_clobber_ref_p_1): Likewise.
6214
6215 2009-04-16  Ian Lance Taylor  <iant@google.com>
6216
6217         * df.h: Include "timevar.h".
6218         (struct df_problem): Change tv_id field to timevar_id_t.
6219         * tree-pass.h: Include "timevar.h".
6220         (struct opt_pass): Change tv_id field to timevar_id_t.
6221         * timevar.h (timevar_id_t): Define TV_NONE.
6222         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
6223         TV_NONE rather than tv_id != 0.
6224         (execute_one_pass): Likewise.
6225         * Makefile.in (DF_H): Add $(TIMEVAR_H).
6226         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
6227         dependencies to $(TREE_PASS_H).
6228         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
6229         to TV_NONE.
6230         (pass_branch_target_load_optimize2): Likewise.
6231         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
6232         (pass_outof_cfg_layout_mode): Likewise.
6233         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
6234         (pass_rebuild_cgraph_edges): Likewise.
6235         (pass_remove_cgraph_callee_edges): Likewise.
6236         * df-core.c (pass_df_initialize_opt): Likewise.
6237         (pass_df_initialize_no_opt): Likewise.
6238         (pass_df_finish): Likewise.
6239         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
6240         * except.c (pass_set_nothrow_function_flags): Likewise.
6241         (pass_convert_to_eh_region_ranges): Likewise.
6242         * final.c (pass_compute_alignments): Likewise.
6243         * function.c (pass_instantiate_virtual_regs): Likewise.
6244         (pass_init_function): Likewise.
6245         (pass_leaf_regs): Likewise.
6246         (pass_match_asm_constraints): Likewise.
6247         * gimple-low.c (pass_lower_cf): Likewise.
6248         (pass_mark_used_blocks): Likewise.
6249         * init-regs.c (pass_initialize_regs): Likewise.
6250         * integrate.c (pass_initial_value_sets): Likewise.
6251         * ira.c (pass_ira): Likewise.
6252         * jump.c (pass_cleanup_barriers): Likewise.
6253         * omp-low.c (pass_expand_omp): Likewise.
6254         (pass_lower_omp): Likewise.
6255         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
6256         * recog.c (pass_split_all_insns): Likewise.
6257         (pass_split_after_reload): Likewise.
6258         (pass_split_before_regstack): Likewise.
6259         (pass_split_before_sched2): Likewise.
6260         (pass_split_for_shorten_branches): Likewise.
6261         * reginfo.c (pass_reginfo_init): Likewise.
6262         (pass_subregs_of_mode_init): Likewise.
6263         (pass_subregs_of_mode_finish): Likewise.
6264         * passes.c (pass_postreload): Likewise.
6265         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
6266         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
6267         (pass_warn_function_return): Likewise.
6268         (pass_warn_function_noreturn): Likewise.
6269         * tree-complex.c (pass_lower_complex): Likewise.
6270         (pass_lower_complex_O0): Likewise.
6271         * tree-if-conv.c (pass_if_conversion): Likewise.
6272         * tree-into-ssa.c (pass_build_ssa): Likewise.
6273         * tree-mudflap.c (pass_mudflap_1): Likewise.
6274         (pass_mudflap_2): Likewise.
6275         * tree-nomudflap.c (pass_mudflap_1): Likewise.
6276         (pass_mudflap_2): Likewise.
6277         * tree-nrv.c (pass_return_slot): Likewise.
6278         * tree-object-size.c (pass_object_sizes): Likewise.
6279         * tree-optimize.c (pass_all_optimizations): Likewise.
6280         (pass_early_local_passes): Likewise.
6281         (pass_all_early_optimizations): Likewise.
6282         (pass_cleanup_cfg): Likewise.
6283         (pass_cleanup_cfg_post_optimizing): Likewise.
6284         (pass_free_datastructures): Likewise.
6285         (pass_free_cfg_annotations): Likewise.
6286         (pass_fixup_cfg): Likewise.
6287         (pass_init_datastructures): Likewise.
6288         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
6289         (pass_late_warn_uninitialized): Likewise.
6290         (pass_update_address_taken): Likewise.
6291         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
6292         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
6293         (pass_cse_sincos): Likewise.
6294         (pass_convert_to_rsqrt): Likewise.
6295         * tree-ssa-structalias.c (pass_build_alias): Likewise.
6296         * tree-stdarg.c (pass_stdarg): Likewise.
6297         * tree-tailcall.c (pass_tail_recursion): Likewise.
6298         (pass_tail_calls): Likewise.
6299         * tree-vect-generic.c (pass_lower_vector): Likewise.
6300         (pass_lower_vector_ssa): Likewise.
6301         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
6302
6303 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
6304
6305         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
6306         XLR entry.
6307         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
6308         Handle -march=xlr.
6309         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
6310         logical and signext.
6311
6312 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
6313
6314         PR target/39767
6315         * config/sh/predicates.md (arith_operand): Check if the operand
6316         of TRUNCATE is a REG.
6317
6318 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6319
6320         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
6321         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
6322
6323 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6324
6325         * tree-iterator.c (tsi_split_statement_list_after,
6326         tsi_split_statement_list_before): Remove.
6327         * tree-iterator.h: Remove the prototypes for
6328         tsi_split_statement_list_after and tsi_split_statement_list_before.
6329
6330 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6331
6332         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
6333         * tree-ssa-propagate.h: Remove the prototype for
6334         stmt_makes_single_load.
6335
6336 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6337
6338         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
6339         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
6340
6341 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6342
6343         * tree-iterator.c (EXPR_LAST_BODY): Remove.
6344
6345 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6346
6347         * except.c (eh_region_outer_p): Remove.
6348         * except.h: Remove the prototype for eh_region_outer_p.
6349
6350 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6351
6352         * function.c (current_function_assembler_name): Remove.
6353         * function.h: Remove the prototype for
6354         current_function_assembler_name.
6355
6356 2009-04-16  Ian Lance Taylor  <iant@google.com>
6357
6358         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
6359         (add_reg_note): Call alloc_reg_note.
6360         * rtl.h (alloc_reg_note): Declare.
6361         * combine.c (try_combine): Use alloc_reg_note.
6362         (recog_for_combine, move_deaths): Likewise.
6363         (distribute_notes): Use alloc_reg_note and add_reg_note.
6364         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
6365         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
6366         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
6367
6368 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
6369
6370         PR rtl-optimization/39762
6371         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
6372         ira_may_move_out_cost): Add comments about way of their usage.
6373         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
6374
6375         * ira-conflicts.c (process_regs_for_copy): Use function
6376         ira_get_register_move_cost instead of global
6377         ira_register_move_cost.
6378
6379         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
6380         color_pass, move_spill_restore, update_curr_costs): Ditto.
6381
6382         * ira-lives.c (process_single_reg_class_operands): Ditto.
6383
6384         * ira-emit.c (emit_move_list): Ditto.
6385
6386         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
6387         (record_reg_classes): Ditto.  Use functions
6388         ira_get_register_move_cost and ira_get_may_move_cost instead of
6389         global vars ira_register_move_cost, ira_may_move_out_cost and
6390         ira_may_move_in_cost.
6391         (record_address_regs): Don't call ira_init_register_move_cost.
6392         Use function ira_get_may_move_cost instead of global
6393         ira_may_move_in_cost.
6394         (process_bb_node_for_hard_reg_moves): Use function
6395         ira_get_register_move_cost instead of global ira_register_move_cost.
6396         (ira_costs): Don't call ira_init_register_move_cost.
6397
6398 2009-04-16  Richard Guenther  <rguenther@suse.de>
6399
6400         * tree-cfg.c (verify_gimple_assign_binary):
6401         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
6402         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
6403         (create_general_new_stmt): Note that this function is broken.
6404
6405 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6406
6407         * common.opt (fhelp): Add Var(help_flag).
6408         * gcc-plugin.h (plugin_info): Add help.
6409         * plugin.c (plugin_name_args): Add help.
6410         (register_plugin_info): Set plugin->help.
6411         (print_help_one_plugin): New.
6412         (print_plugins_help): New.
6413         * plugin.h (print_plugins_help): New.
6414         * toplev.c (toplev_main): Call print_plugins_help if needed.
6415
6416 2009-04-16  Richard Guenther  <rguenther@suse.de>
6417
6418         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
6419         (gimple_ior_addresses_taken_1): New function.
6420         (gimple_ior_addresses_taken): Likewise.
6421         * gimple.h (struct gimple_statement_with_ops_base): Remove
6422         addresses_taken member.
6423         (gimple_ior_addresses_taken): Declare.
6424         (gimple_addresses_taken, gimple_addresses_taken_ptr,
6425         gimple_set_addresses_taken): Remove.
6426         * ipa-reference.c (mark_address): New function.
6427         (scan_stmt_for_static_refs): Use it for marking addresses taken.
6428         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
6429         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
6430         (gimple_add_to_addresses_taken): Remove.
6431         (get_tmr_operands): Call mark_address_taken.
6432         (get_asm_expr_operands): Likewise.
6433         (get_expr_operands): Likewise.
6434         (build_ssa_operands): Do not clear the addresses_taken bitmap.
6435         (free_stmt_operands): Do not free it.
6436         * tree-ssa.c (delete_tree_ssa): Likewise.
6437         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
6438
6439 2009-04-16  Richard Guenther  <rguenther@suse.de>
6440
6441         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
6442         (walk_stmt_load_store_ops): Likewise.
6443         * gimple.c (get_base_loadstore): New function.
6444         (walk_stmt_load_store_addr_ops): Likewise.
6445         (walk_stmt_load_store_ops): Likewise.
6446         * ipa-pure-const.c (check_op): Simplify.
6447         (check_load, check_store): New functions.
6448         (check_stmt): Use walk_stmt_load_store_ops.
6449         * ipa-reference.c (mark_load): Adjust signature.
6450         (mark_store): Likewise.
6451         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
6452
6453 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6454
6455         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
6456         (plugin_info): New.
6457         * opts.c (common_handle_option): Don't call print_version.
6458         * plugin.c (plugin_name_args): Add version.
6459         (register_plugin_info): New.
6460         (register_callback): Handle PLUGIN_INFO.
6461         (try_init_one_plugin): New.
6462         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
6463         if failed to init.
6464         (finalize_one_plugin): New.
6465         (finalize_plugins): New.
6466         (print_one_plugin): New.
6467         (print_plugins_versions): New.
6468         * plugin.h (print_plugins_versions): New.
6469         (finalize_plugins): New.
6470         * toplev.c (compile_file): Don't call initialize_plugins.
6471         (print_version): Call print_plugins_versions.
6472         (toplev_main): Call initialize_plugins. Print version if needed.
6473         Call finalize_plugins.
6474
6475 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6476
6477         * common.opt (fversion): New.
6478         * gcc.c (print_version): New.
6479         (process_command): Don't print the version. Just set print_version.
6480         (main): Print version. Call subprocesses if print_version and
6481         verbose_flag are set.
6482         * opts.c (common_handle_option): Handle OPT_fversion.
6483
6484 2009-04-16  Richard Guenther  <rguenther@suse.de>
6485             Ira Rosen  <irar@il.ibm.com>
6486
6487         PR tree-optimization/39698
6488         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6489         type of the reduction variable.  Only generate the def if
6490         it is needed.
6491
6492         * omp-low.c (expand_omp_for_generic): When converting to a pointer
6493         make sure to first convert to an integer of the same precision.
6494         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
6495         the type of the evolution correctly in computing the new
6496         induction variable base.
6497
6498 2009-04-16  Richard Guenther  <rguenther@suse.de>
6499
6500         PR middle-end/39625
6501         * tree-cfg.c (make_blocks): Split statements with to-be
6502         abnormal SSA names on the lhs.
6503
6504 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
6505
6506         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
6507         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
6508         * c-typeck.c (really_start_incremental_init): Likewise.
6509         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
6510         (TARGET_INITIALIZER): Remove it.
6511         * target.h (struct target): Remove vector_opaque_p.
6512         * tree.c (build_opaque_vector_type): New.
6513         * tree.h (TYPE_VECTOR_OPAQUE): New.
6514         (build_opaque_vector_type): Declare.
6515         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
6516         * config/rs6000/rs6000.c (build_opaque_vector_type,
6517         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
6518         (rs6000_init_builtins): Use build_opaque_vector_type for
6519         opaque_V4SI_type_node.
6520
6521 2009-04-15  Catherine Moore  <clm@codesourcery.com>
6522
6523         * debug.h (set_name):  Declare.
6524         * dwarf2out.c (dwarf2out_set_name): Declare.
6525         (dwarf2_debug_hooks): Add set_name.
6526         (find_AT_string): New.
6527         (add_AT_string): Call find_AT_string.
6528         (dwarf2out_set_name): New.
6529         * cp/decl.c (grokdeclarator): Call set_name.
6530         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
6531         * debug.c (do_nothing_debug_hooks):  Likewise.
6532         * dbxout.c (dbx_debug_hooks): Likewise.
6533         * sdbout.c (sdb_debug_hooks): Likewise.
6534
6535 2009-04-15  Michael Eager  <eager@eagercon.com>
6536
6537         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
6538         reg for single-precision FPU.
6539         * config/rs6000/rs6000.md (movsi_internal1): Only for
6540         !TARGET_SINGLE_FPU.
6541         (movsi_internal1_single): New. Add pattern to move SI values to/from
6542         single-precision FP regs.
6543
6544 2009-04-15  Richard Guenther  <rguenther@suse.de>
6545
6546         * omp-low.c (lower_rec_input_clauses): Build correct address
6547         expressions.
6548         (expand_omp_for_generic): Fix multiplication type.
6549         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
6550         (generate_memset_zero): Fix types.
6551         * tree-profile.c (prepare_instrumented_value): Correctly
6552         widen a pointer.
6553
6554 2009-04-15  Ian Lance Taylor  <iant@google.com>
6555
6556         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
6557         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
6558         for -Wall and for -Wc++-compat.
6559         (c_common_post_options): For C++, set warn_enum_compare if not
6560         already set.
6561         * c-tree.h (struct c_expr): Add field original_type.
6562         (build_external_ref): Update declaration.
6563         * c-parser.c (c_parser_braced_init): Set original_type.
6564         (c_parser_initelt): Likewise.
6565         (c_parser_expr_no_commas): Likewise.
6566         (c_parser_conditional_expression): Likewise.
6567         (c_parser_cast_expression): Likewise.
6568         (c_parser_unary_expression): Likewise.  Pull setting of
6569         original_code to top of function.
6570         (c_parser_sizeof_expression): Set original_type.
6571         (c_parser_alignof_expression): Likewise.
6572         (c_parser_postfix_expression): Likewise.  Pull setting of
6573         original_code to top of function.
6574         (c_parser_postfix_expression_after_paren_type): Set original_type.
6575         (c_parser_postfix_expression_after_primary): Likewise.
6576         (c_parser_expression): Likewise.
6577         * c-typeck.c (build_external_ref): Add type parameter.  Change all
6578         callers.
6579         (c_expr_sizeof_expr): Set original_type field.
6580         (parser_build_unary_op): Likewise.
6581         (parser_build_binary_op): Likewise.  Optionally warn about
6582         comparisons of enums of different types.
6583         (digest_init): Set original_type field.
6584         (really_start_incremental_init): Likewise.
6585         (push_init_level, pop_init_level): Likewise.
6586         * doc/invoke.texi (Warning Options): -Wenum-compare now
6587         supported in C.
6588
6589 2009-04-15  Richard Guenther  <rguenther@suse.de>
6590
6591         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
6592         out a necessary conversion.
6593         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
6594         names we didn't value number.
6595         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
6596
6597 2009-04-15  Richard Guenther  <rguenther@suse.de>
6598
6599         PR tree-optimization/39764
6600         * tree-ssa-ccp.c (get_value): Canonicalize value with
6601         canonicalize_float_value.
6602
6603 2009-04-15  Jan Hubicka  <jh@suse.cz>
6604
6605         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
6606         Wrong version of patch.
6607
6608 2009-04-15  Jan Hubicka  <jh@suse.cz>
6609
6610         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
6611
6612 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6613
6614         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
6615         our distinct integral and vector types.
6616
6617 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
6618
6619         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
6620         * init.c (build_vtbl_address): Remove call to assemble_external.
6621
6622 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
6623
6624         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
6625         output for other floating point modes.
6626
6627 2009-04-14  Diego Novillo  <dnovillo@google.com>
6628
6629         * diagnostic.c (diagnostic_report_diagnostic): Do not
6630         warn about loaded plugins for DK_ERROR and DK_WARNING.
6631         * c-decl.c (declspecs_add_type): Move call to
6632         invoke_plugin_callbacks ...
6633         * c-parser.c (c_parser_declspecs): ... here.
6634         * plugin.c (dump_active_plugins): Tidy output.
6635
6636 2009-04-14  Diego Novillo  <dnovillo@google.com>
6637             Le-Chun Wu  <lcwu@google.com>
6638
6639         * configure.ac: Add --enable-plugin support.
6640         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
6641         * Makefile.in (PLUGIN_H): Define.
6642         Export ENABLE_PLUGIN and GMPINC to site.exp.
6643         Add PLUGINLIBS to link command.
6644         Add/modify dependencies for plugin.o and files including plugin.h.
6645         (plugin.o): New.
6646         * config.in: Regenerate.
6647
6648         * opts.c (common_handle_option): Handle OPT_fplugin_ and
6649         OPT_fplugin_arg_.
6650
6651 2009-04-14  Le-Chun Wu  <lcwu@google.com>
6652
6653         * tree-pass.h (register_one_dump_file): Add a prototype for
6654         register_one_dump_file.
6655         * toplev.c (compile_file): Call initialize_plugins.
6656         (do_compile): Call invoke_plugin_callbacks.
6657         (toplev_main): Call invoke_plugin_callbacks.
6658         * common.opt: Add -fplugin= and -fplugin-arg-.
6659         * gcc-plugin.h: New public header file for plugins to include.
6660         * plugin.c: New source file.
6661         * plugin.h: New internal header file.
6662         * passes.c (register_one_dump_file): Make it external.
6663
6664         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
6665
6666 2009-04-14  Diego Novillo  <dnovillo@google.com>
6667
6668         * doc/plugins.texi: New.
6669         * doc/gccint.texi: Add reference to Plugins chapter.
6670         * doc/invoke.texi: Document -fplugin and -fplugin-arg
6671         * diagnostic.c (diagnostic_report_diagnostic): Warn about
6672         loaded plugins, if any.
6673         * timevar.def (TV_PLUGIN_INIT): Define.
6674         (TV_PLUGIN_RUN): Define.
6675         * plugin.c: Include timevar.h
6676         (plugins_active_p): New.
6677         (dump_active_plugins): New.
6678         (debug_active_plugins): New.
6679
6680 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
6681
6682         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
6683         library paths.
6684         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
6685
6686 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
6687
6688         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
6689         the same as a minus without a shift.
6690
6691 2009-04-14  Nick Clifton  <nickc@redhat.com>
6692
6693         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
6694         comparisons with small integers will always produce a short
6695         branch.
6696
6697 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
6698
6699         Merge:
6700         2008-12-19  Diego Novillo  <dnovillo@google.com>
6701
6702         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
6703
6704 2009-04-14  Richard Guenther  <rguenther@suse.de>
6705
6706         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
6707         verification.
6708         (verify_gimple_assign_binary): Likewise.  Handle shifts and
6709         rotates correctly.
6710         (verify_gimple_phi): Print the mismatched argument position.
6711         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6712         Fix types.
6713         (vect_update_init_of_dr): Likewise.
6714         * matrix-reorg.c (transform_access_sites): Do what the
6715         comment suggests.
6716         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
6717
6718 2009-04-13  Michael Eager  <eager@eagercon.com>
6719
6720         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
6721         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
6722         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
6723         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
6724         remove duplicate config
6725
6726 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6727
6728         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
6729         file_name:line_number type locator of the call site.
6730
6731 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6732
6733         * genautomata.c: Put blank after comma.
6734         (automaton_decls): New.
6735         (struct unit_usage): Add comments to member next.
6736         (store_alt_unit_usage): Keep the list ordered.
6737         (unit_present_on_list_p, equal_alternatives_p): New.
6738         (check_regexp_units_distribution): Check units distribution
6739         correctness correctly.
6740         (main): Don't write automata if error is found.  Return correct
6741         exit code.
6742
6743         * config/m68k/cf.md (cfv4_ds): Remove.
6744         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
6745         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
6746
6747         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
6748         power4-load-ext, power4-store, power4-store-update,
6749         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
6750         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
6751         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
6752         power4-sqrt, power4-isync): Modify reservation to make correct
6753         unit distribution to automata.
6754
6755         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
6756         power5-store-update, power5-two, power5-three, power5-lmul,
6757         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
6758
6759 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
6760
6761         * except.c (pass_set_nothrow_function_flags): Set name and add
6762         TODO_dump_func.
6763         (set_nothrow_function_flags): Mention in the dump file when
6764         changing a function to nothrow.
6765
6766 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
6767
6768         PR/39066
6769         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
6770         instead of unsigned long.
6771
6772 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6773
6774         * config/arm/arm.c (return_used_this_function): Remove.
6775         (arm_output_function_prologue): Remove use of
6776         return_used_this_function.
6777         (output_return_instruction): Replace use of
6778         return_used_this_function
6779         by cfun->machine->return_used_this_function.
6780         (arm_output_epilogue): Likewise.
6781         (arm_output_function_epilogue): Likewise.
6782         (thumb_unexpanded_epilogue): Likewise.
6783         * config/arm/arm.h (struct machine_function):
6784         New member return_used_this_function.
6785
6786 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
6787
6788         * doc/install.texi: Correct description of default directory for
6789         --with-gxx-include-dir.
6790
6791 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6792
6793         * fold-const.c (build_range_check): Properly deal with enumeral and
6794         boolean base types.
6795
6796 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
6797
6798         * doc/invoke.texi (max_gcse_passes): Remove documentation.
6799         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
6800         * params.h (MAX_GCSE_PASSES): Remove.
6801         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
6802         in sequence.  Remove ability to run multiple passes.
6803         (bypass_jumps): Report run as third CPROP pass.
6804
6805 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
6806
6807         PR middle-end/39651
6808         * except.c (can_throw_external): Look at each insn in a SEQUENCE
6809         when deciding whether the whole SEQUENCE can throw.
6810
6811 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6812
6813         PR target/39740
6814         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6815         offseted label references.
6816
6817 2009-04-11  Jan Hubicka  <jh@suse.cz>
6818
6819         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6820
6821 2009-04-11  Richard Guenther  <rguenther@suse.de>
6822
6823         PR middle-end/39732
6824         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6825         return variables as TREE_ADDRESSABLE.
6826
6827 2009-04-11  Richard Guenther  <rguenther@suse.de>
6828
6829         PR tree-optimization/39713
6830         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6831         reference trees have SSA_NAME operands.
6832
6833 2009-04-11  Richard Guenther  <rguenther@suse.de>
6834
6835         PR c/39712
6836         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6837         address expressions.
6838
6839 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6840
6841         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6842         match changes in Cygwin 1.7
6843         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6844         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6845
6846 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6847
6848         PR tree-optimization/39701
6849         * doc/invoke.texi (Optimization Options): Document change in
6850         meaning and initialization of -fdelete-null-pointer-checks.
6851
6852 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6853
6854         PR middle-end/39701
6855         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6856
6857         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6858         here.
6859
6860         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6861
6862 2009-04-10  Chao-ying Fu  <fu@mips.com>
6863
6864         * doc/tm.texi (Instruction Output): Document
6865         TARGET_ASM_FINAL_POSTSCAN_INSN.
6866         * target.h (final_postscan_insn): New field in asm_out.
6867         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6868         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6869         * final.c (final_scan_insn): Call
6870         targetm.asm_out.final_postscan_insn after outputting
6871         an asm macro and a normal instruction.
6872
6873         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6874         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6875         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6876         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6877         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6878
6879 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6880
6881         PR middle-end/39701
6882         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6883         variables as non-NULL even with -fdelete-null-pointer-checks.
6884
6885 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6886
6887         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6888
6889 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6890
6891         PR target/39678
6892         * config/i386/i386.c (classify_argument): Handle SCmode with
6893         (bit_offset % 64) != 0.
6894
6895 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6896
6897         * doc/invoke.texi (Optimize Options): Add cross-reference to
6898         -Q --help=optimizers examples.
6899
6900 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6901
6902         PR target/36800
6903         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6904         regalign for the reg == fpr and TDmode case.
6905
6906 2009-04-09  David Ayers  <ayers@fsfe.org>
6907
6908         PR objc/29200
6909         * objc/objc-act.c (warn_with_method): Remove helper function.
6910         (check_duplicates): Call warning and inform directly.
6911         (really_start_method): Likewise.
6912
6913 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6914
6915         * expmed.c (expand_divmod): Always use a comparison for a division
6916         by a large unsigned integer.
6917
6918         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6919         for things others than variables or functions as nonzero.
6920
6921 2009-04-09  Nick Clifton  <nickc@redhat.com>
6922
6923         * unwind-compat.c: Change copyright header to refer to version
6924         3 of the GNU General Public License with version 3.1 of the
6925         GCC Runtime Library Exception and to point readers at the
6926         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6927         * config/alpha/crtfastmath.c: Likewise.
6928         * config/alpha/linux-unwind.h: Likewise.
6929         * config/alpha/qrnnd.asm: Likewise.
6930         * config/alpha/vms-crt0-64.c: Likewise.
6931         * config/alpha/vms-crt0.c: Likewise.
6932         * config/alpha/vms-dwarf2.asm: Likewise.
6933         * config/alpha/vms-dwarf2eh.asm: Likewise.
6934         * config/alpha/vms-psxcrt0-64.c: Likewise.
6935         * config/alpha/vms-psxcrt0.c: Likewise.
6936         * config/alpha/vms_tramp.asm: Likewise.
6937         * config/arc/initfini.c: Likewise.
6938         * config/arc/lib1funcs.asm: Likewise.
6939         * config/arm/bpabi-v6m.S: Likewise.
6940         * config/arm/bpabi.S: Likewise.
6941         * config/arm/bpabi.c: Likewise.
6942         * config/arm/crti.asm: Likewise.
6943         * config/arm/crtn.asm: Likewise.
6944         * config/arm/ieee754-df.S: Likewise.
6945         * config/arm/ieee754-sf.S: Likewise.
6946         * config/arm/lib1funcs.asm: Likewise.
6947         * config/arm/libunwind.S: Likewise.
6948         * config/arm/linux-atomic.c: Likewise.
6949         * config/arm/mmintrin.h: Likewise.
6950         * config/arm/pr-support.c: Likewise.
6951         * config/arm/unaligned-funcs.c: Likewise.
6952         * config/arm/unwind-arm.c: Likewise.
6953         * config/arm/unwind-arm.h: Likewise.
6954         * config/avr/libgcc.S: Likewise.
6955         * config/bfin/crti.s: Likewise.
6956         * config/bfin/crtlibid.s: Likewise.
6957         * config/bfin/crtn.s: Likewise.
6958         * config/bfin/lib1funcs.asm: Likewise.
6959         * config/bfin/linux-unwind.h: Likewise.
6960         * config/cris/arit.c: Likewise.
6961         * config/cris/cris_abi_symbol.c: Likewise.
6962         * config/darwin-64.c: Likewise.
6963         * config/darwin-crt2.c: Likewise.
6964         * config/darwin-crt3.c: Likewise.
6965         * config/darwin.h: Likewise.
6966         * config/dbxelf.h: Likewise.
6967         * config/dfp-bit.c: Likewise.
6968         * config/dfp-bit.h: Likewise.
6969         * config/elfos.h: Likewise.
6970         * config/fixed-bit.c: Likewise.
6971         * config/fixed-bit.h: Likewise.
6972         * config/fp-bit.c: Likewise.
6973         * config/fp-bit.h: Likewise.
6974         * config/fr30/crti.asm: Likewise.
6975         * config/fr30/crtn.asm: Likewise.
6976         * config/fr30/lib1funcs.asm: Likewise.
6977         * config/freebsd-spec.h: Likewise.
6978         * config/frv/cmovd.c: Likewise.
6979         * config/frv/cmovh.c: Likewise.
6980         * config/frv/cmovw.c: Likewise.
6981         * config/frv/frvbegin.c: Likewise.
6982         * config/frv/frvend.c: Likewise.
6983         * config/frv/lib1funcs.asm: Likewise.
6984         * config/glibc-stdint.h: Likewise.
6985         * config/h8300/clzhi2.c: Likewise.
6986         * config/h8300/crti.asm: Likewise.
6987         * config/h8300/crtn.asm: Likewise.
6988         * config/h8300/ctzhi2.c: Likewise.
6989         * config/h8300/fixunssfsi.c: Likewise.
6990         * config/h8300/lib1funcs.asm: Likewise.
6991         * config/h8300/parityhi2.c: Likewise.
6992         * config/h8300/popcounthi2.c: Likewise.
6993         * config/i386/ammintrin.h: Likewise.
6994         * config/i386/att.h: Likewise.
6995         * config/i386/avxintrin.h: Likewise.
6996         * config/i386/biarch64.h: Likewise.
6997         * config/i386/bmmintrin.h: Likewise.
6998         * config/i386/cpuid.h: Likewise.
6999         * config/i386/cross-stdarg.h: Likewise.
7000         * config/i386/crtfastmath.c: Likewise.
7001         * config/i386/crtprec.c: Likewise.
7002         * config/i386/cygming-crtbegin.c: Likewise.
7003         * config/i386/cygming-crtend.c: Likewise.
7004         * config/i386/cygwin.asm: Likewise.
7005         * config/i386/emmintrin.h: Likewise.
7006         * config/i386/gmm_malloc.h: Likewise.
7007         * config/i386/gthr-win32.c: Likewise.
7008         * config/i386/i386.h: Likewise.
7009         * config/i386/immintrin.h: Likewise.
7010         * config/i386/linux-unwind.h: Likewise.
7011         * config/i386/linux64.h: Likewise.
7012         * config/i386/mm3dnow.h: Likewise.
7013         * config/i386/mmintrin-common.h: Likewise.
7014         * config/i386/mmintrin.h: Likewise.
7015         * config/i386/nmmintrin.h: Likewise.
7016         * config/i386/pmm_malloc.h: Likewise.
7017         * config/i386/pmmintrin.h: Likewise.
7018         * config/i386/smmintrin.h: Likewise.
7019         * config/i386/sol2-c1.asm: Likewise.
7020         * config/i386/sol2-ci.asm: Likewise.
7021         * config/i386/sol2-cn.asm: Likewise.
7022         * config/i386/sol2-gc1.asm: Likewise.
7023         * config/i386/tmmintrin.h: Likewise.
7024         * config/i386/unix.h: Likewise.
7025         * config/i386/w32-unwind.h: Likewise.
7026         * config/i386/wmmintrin.h: Likewise.
7027         * config/i386/x86-64.h: Likewise.
7028         * config/i386/x86intrin.h: Likewise.
7029         * config/i386/xmmintrin.h: Likewise.
7030         * config/ia64/crtbegin.asm: Likewise.
7031         * config/ia64/crtend.asm: Likewise.
7032         * config/ia64/crtfastmath.c: Likewise.
7033         * config/ia64/crti.asm: Likewise.
7034         * config/ia64/crtn.asm: Likewise.
7035         * config/ia64/fde-glibc.c: Likewise.
7036         * config/ia64/lib1funcs.asm: Likewise.
7037         * config/ia64/linux-unwind.h: Likewise.
7038         * config/ia64/quadlib.c: Likewise.
7039         * config/ia64/unwind-ia64.c: Likewise.
7040         * config/linux.h: Likewise.
7041         * config/m32c/m32c-lib1.S: Likewise.
7042         * config/m32c/m32c-lib2-trapv.c: Likewise.
7043         * config/m32c/m32c-lib2.c: Likewise.
7044         * config/m32r/initfini.c: Likewise.
7045         * config/m68hc11/larith.asm: Likewise.
7046         * config/m68hc11/m68hc11-crt0.S: Likewise.
7047         * config/m68k/cf.md: Likewise.
7048         * config/m68k/crti.s: Likewise.
7049         * config/m68k/crtn.s: Likewise.
7050         * config/m68k/lb1sf68.asm: Likewise.
7051         * config/m68k/linux-unwind.h: Likewise.
7052         * config/mcore/crti.asm: Likewise.
7053         * config/mcore/crtn.asm: Likewise.
7054         * config/mcore/lib1.asm: Likewise.
7055         * config/mips/linux-unwind.h: Likewise.
7056         * config/mips/loongson.h: Likewise.
7057         * config/mips/mips16.S: Likewise.
7058         * config/mmix/crti.asm: Likewise.
7059         * config/mmix/crtn.asm: Likewise.
7060         * config/pa/fptr.c: Likewise.
7061         * config/pa/hpux-unwind.h: Likewise.
7062         * config/pa/lib2funcs.asm: Likewise.
7063         * config/pa/linux-atomic.c: Likewise.
7064         * config/pa/linux-unwind.h: Likewise.
7065         * config/pa/milli64.S: Likewise.
7066         * config/pa/quadlib.c: Likewise.
7067         * config/pa/stublib.c: Likewise.
7068         * config/picochip/libgccExtras/adddi3.asm: Likewise.
7069         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
7070         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
7071         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
7072         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
7073         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
7074         * config/picochip/libgccExtras/divmod15.asm: Likewise.
7075         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
7076         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
7077         * config/picochip/libgccExtras/longjmp.asm: Likewise.
7078         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
7079         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
7080         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
7081         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
7082         * config/picochip/libgccExtras/setjmp.asm: Likewise.
7083         * config/picochip/libgccExtras/subdi3.asm: Likewise.
7084         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
7085         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
7086         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
7087         * config/rs6000/750cl.h: Likewise.
7088         * config/rs6000/altivec.h: Likewise.
7089         * config/rs6000/biarch64.h: Likewise.
7090         * config/rs6000/crtresfpr.asm: Likewise.
7091         * config/rs6000/crtresgpr.asm: Likewise.
7092         * config/rs6000/crtresxfpr.asm: Likewise.
7093         * config/rs6000/crtresxgpr.asm: Likewise.
7094         * config/rs6000/crtsavfpr.asm: Likewise.
7095         * config/rs6000/crtsavgpr.asm: Likewise.
7096         * config/rs6000/darwin-asm.h: Likewise.
7097         * config/rs6000/darwin-fallback.c: Likewise.
7098         * config/rs6000/darwin-fpsave.asm: Likewise.
7099         * config/rs6000/darwin-ldouble.c: Likewise.
7100         * config/rs6000/darwin-tramp.asm: Likewise.
7101         * config/rs6000/darwin-unwind.h: Likewise.
7102         * config/rs6000/darwin-vecsave.asm: Likewise.
7103         * config/rs6000/darwin-world.asm: Likewise.
7104         * config/rs6000/e500crtres32gpr.asm: Likewise.
7105         * config/rs6000/e500crtres64gpr.asm: Likewise.
7106         * config/rs6000/e500crtres64gprctr.asm: Likewise.
7107         * config/rs6000/e500crtrest32gpr.asm: Likewise.
7108         * config/rs6000/e500crtrest64gpr.asm: Likewise.
7109         * config/rs6000/e500crtresx32gpr.asm: Likewise.
7110         * config/rs6000/e500crtresx64gpr.asm: Likewise.
7111         * config/rs6000/e500crtsav32gpr.asm: Likewise.
7112         * config/rs6000/e500crtsav64gpr.asm: Likewise.
7113         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
7114         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
7115         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
7116         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
7117         * config/rs6000/eabi-ci.asm: Likewise.
7118         * config/rs6000/eabi-cn.asm: Likewise.
7119         * config/rs6000/eabi.asm: Likewise.
7120         * config/rs6000/linux-unwind.h: Likewise.
7121         * config/rs6000/linux64.h: Likewise.
7122         * config/rs6000/paired.h: Likewise.
7123         * config/rs6000/paired.md: Likewise.
7124         * config/rs6000/ppc64-fp.c: Likewise.
7125         * config/rs6000/ppu_intrinsics.h: Likewise.
7126         * config/rs6000/rs6000.h: Likewise.
7127         * config/rs6000/si2vmx.h: Likewise.
7128         * config/rs6000/sol-ci.asm: Likewise.
7129         * config/rs6000/sol-cn.asm: Likewise.
7130         * config/rs6000/spe.h: Likewise.
7131         * config/rs6000/spu2vmx.h: Likewise.
7132         * config/rs6000/sysv4.h: Likewise.
7133         * config/rs6000/tramp.asm: Likewise.
7134         * config/rs6000/vec_types.h: Likewise.
7135         * config/s390/linux-unwind.h: Likewise.
7136         * config/s390/tpf-unwind.h: Likewise.
7137         * config/score/crti.asm: Likewise.
7138         * config/score/crtn.asm: Likewise.
7139         * config/sh/crt1.asm: Likewise.
7140         * config/sh/crti.asm: Likewise.
7141         * config/sh/crtn.asm: Likewise.
7142         * config/sh/divtab-sh4-300.c: Likewise.
7143         * config/sh/divtab-sh4.c: Likewise.
7144         * config/sh/divtab.c: Likewise.
7145         * config/sh/lib1funcs-4-300.asm: Likewise.
7146         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
7147         * config/sh/lib1funcs.asm: Likewise.
7148         * config/sh/lib1funcs.h: Likewise.
7149         * config/sh/linux-atomic.asm: Likewise.
7150         * config/sh/linux-unwind.h: Likewise.
7151         * config/sh/shmedia.h: Likewise.
7152         * config/sh/sshmedia.h: Likewise.
7153         * config/sh/ushmedia.h: Likewise.
7154         * config/sparc/crtfastmath.c: Likewise.
7155         * config/sparc/linux-unwind.h: Likewise.
7156         * config/sparc/sol2-c1.asm: Likewise.
7157         * config/sparc/sol2-ci.asm: Likewise.
7158         * config/sparc/sol2-cn.asm: Likewise.
7159         * config/spu/divmodti4.c: Likewise.
7160         * config/spu/divv2df3.c: Likewise.
7161         * config/spu/float_disf.c: Likewise.
7162         * config/spu/float_unsdidf.c: Likewise.
7163         * config/spu/float_unsdisf.c: Likewise.
7164         * config/spu/float_unssidf.c: Likewise.
7165         * config/spu/mfc_multi_tag_release.c: Likewise.
7166         * config/spu/mfc_multi_tag_reserve.c: Likewise.
7167         * config/spu/mfc_tag_release.c: Likewise.
7168         * config/spu/mfc_tag_reserve.c: Likewise.
7169         * config/spu/mfc_tag_table.c: Likewise.
7170         * config/spu/multi3.c: Likewise.
7171         * config/spu/spu_internals.h: Likewise.
7172         * config/spu/spu_intrinsics.h: Likewise.
7173         * config/spu/spu_mfcio.h: Likewise.
7174         * config/spu/vec_types.h: Likewise.
7175         * config/spu/vmx2spu.h: Likewise.
7176         * config/stormy16/stormy16-lib2.c: Likewise.
7177         * config/svr4.h: Likewise.
7178         * config/sync.c: Likewise.
7179         * config/v850/lib1funcs.asm: Likewise.
7180         * config/vxlib-tls.c: Likewise.
7181         * config/vxlib.c: Likewise.
7182         * config/vxworks-dummy.h: Likewise.
7183         * config/xtensa/crti.asm: Likewise.
7184         * config/xtensa/crtn.asm: Likewise.
7185         * config/xtensa/ieee754-df.S: Likewise.
7186         * config/xtensa/ieee754-sf.S: Likewise.
7187         * config/xtensa/lib1funcs.asm: Likewise.
7188         * config/xtensa/lib2funcs.S: Likewise.
7189         * config/xtensa/linux-unwind.h: Likewise.
7190         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
7191         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
7192         * coretypes.h: Likewise.
7193         * crtstuff.c: Likewise.
7194         * defaults.h: Likewise.
7195         * dwarf2.h: Likewise.
7196         * emutls.c: Likewise.
7197         * gbl-ctors.h: Likewise.
7198         * gcov-io.h: Likewise.
7199         * ginclude/float.h: Likewise.
7200         * ginclude/iso646.h: Likewise.
7201         * ginclude/stdarg.h: Likewise.
7202         * ginclude/stdbool.h: Likewise.
7203         * ginclude/stddef.h: Likewise.
7204         * ginclude/stdfix.h: Likewise.
7205         * ginclude/stdint-gcc.h: Likewise.
7206         * ginclude/tgmath.h: Likewise.
7207         * gthr-aix.h: Likewise.
7208         * gthr-dce.h: Likewise.
7209         * gthr-gnat.c: Likewise.
7210         * gthr-gnat.h: Likewise.
7211         * gthr-lynx.h: Likewise.
7212         * gthr-mipssde.h: Likewise.
7213         * gthr-nks.h: Likewise.
7214         * gthr-posix.c: Likewise.
7215         * gthr-posix.h: Likewise.
7216         * gthr-posix95.h: Likewise.
7217         * gthr-rtems.h: Likewise.
7218         * gthr-single.h: Likewise.
7219         * gthr-solaris.h: Likewise.
7220         * gthr-tpf.h: Likewise.
7221         * gthr-vxworks.h: Likewise.
7222         * gthr-win32.h: Likewise.
7223         * gthr.h: Likewise.
7224         * libgcc2.c: Likewise.
7225         * libgcc2.h: Likewise.
7226         * libgcov.c: Likewise.
7227         * tsystem.h: Likewise.
7228         * typeclass.h: Likewise.
7229         * unwind-c.c: Likewise.
7230         * unwind-compat.h: Likewise.
7231         * unwind-dw2-fde-compat.c: Likewise.
7232         * unwind-dw2-fde-darwin.c: Likewise.
7233         * unwind-dw2-fde-glibc.c: Likewise.
7234         * unwind-dw2-fde.c: Likewise.
7235         * unwind-dw2-fde.h: Likewise.
7236         * unwind-dw2.c: Likewise.
7237         * unwind-dw2.h: Likewise.
7238         * unwind-generic.h: Likewise.
7239         * unwind-pe.h: Likewise.
7240         * unwind-sjlj.c: Likewise.
7241         * unwind.inc: Likewise.
7242         * config/arm/neon-gen.ml: Change generated copyright header to
7243         refer to version 3 of the GNU General Public License with
7244         version 3.1 of the GCC Runtime Library Exception and to point
7245         readers at the COPYING3 and COPYING3.RUNTIME files and the
7246         FSF's license web page.
7247         * config/arm/arm_neon.h: Regenerate.
7248
7249 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
7250
7251         * config/cris/cris.md: Change copyright header to refer to version
7252         3 of the GNU General Public License.
7253         * doc/install.texi2html: Change copyright header to refer to version
7254         3 of the GNU General Public License and to point readers at the
7255         COPYING3 file and the FSF's license web page.
7256         * config/vax/linux.h: Likewise.
7257
7258 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
7259
7260         * config/i386/i386.md (cmpcc): New.
7261         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
7262         (sync_compare_and_swap_cc*): Delete.
7263
7264         * config/s390/s390.c (s390_compare_emitted): Remove.
7265         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
7266         s390_compare_emitted used to be handled.  Assert that modes match.
7267         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
7268         refer to sync_compare_and_swap_ccsi.
7269         * config/s390/s390.h (s390_compare_emitted): Remove.
7270         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
7271         instead of s390_compare_emitted.
7272         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
7273         instead of s390_compare_emitted.
7274         * config/s390/s390.md (cmpcc): New.
7275         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
7276         CC_REGNUM, do not pretend it's set.
7277         (sync_compare_and_swap_cc*): Delete.
7278         * config/s390/predicates.md (cc_reg_operand): New.
7279
7280         * expr.c (sync_compare_and_swap_cc): Delete.
7281         * optabs.h (sync_compare_and_swap_cc): Delete.
7282         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
7283         is being used with can_compare_p.
7284         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
7285         (find_cc_set): New.
7286         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
7287         look for a MODE_CC set instead.  Use emit_store_flag.
7288         (expand_compare_and_swap_loop): Likewise, with some additional
7289         complication to avoid a force_reg when useless.  Use
7290         emit_cmp_and_jump_insns.
7291         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
7292         * doc/md.texi (sync_compare_and_swap_cc): Merge with
7293         sync_compare_and_swap documentation.
7294
7295 2009-04-09  Jan Hubicka  <jh@suse.cz>
7296
7297         * except.c (find_prev_try): Break out from ....
7298         (duplicate_eh_regions): ... here; properly update prev_try pointers
7299         when duplication part of tree.
7300         (dump_eh_tree): Improve dumping.
7301         (verify_eh_region): New.
7302         (verify_eh_tree): Use it.
7303
7304 2009-04-06  Richard Guenther  <rguenther@suse.de>
7305
7306         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
7307         &ARRAY addresses by adjusting their types and prepending
7308         a conversion.
7309         * tree-cfg.c (verify_gimple_assign_single): Verify that
7310         addresses are correct.
7311
7312 2009-04-09  Richard Guenther  <rguenther@suse.de>
7313
7314         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
7315         indices into an array reference if possible.
7316         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7317         Fold POINTER_PLUS_EXPR statements with invariant address.
7318
7319 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
7320
7321         PR target/39634
7322         * config.gcc (powerpc64-*-linux*): Always build biarch.
7323
7324 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
7325
7326         PR c/39613
7327         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
7328         it and pedwarn if this results in an INTEGER_CST.
7329
7330 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7331
7332         * doc/install.texi: Update minimum GMP version.  Remove obsolete
7333         text in MPFR section.
7334
7335 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
7336
7337         * dwarf2out.c (class_scope_p): New static inline.
7338         (class_or_namespace_scope_p): Use it.
7339         (gen_variable_die): Use DW_TAG_member tag for static data member
7340         declarations instead of DW_TAG_variable.
7341
7342         PR middle-end/39573
7343         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
7344         variables.
7345
7346 2009-04-08  Richard Guenther  <rguenther@suse.de>
7347
7348         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
7349         valueize random data.
7350
7351 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
7352
7353         * config.gcc (aix tm_file):  Add aix-stdint.h.
7354         (aix tm clause use_gcc_stdint):  Set to wrap.
7355         * config/rs6000/aix-stdint.h:  New file.
7356
7357 2009-04-08  Richard Guenther  <rguenther@suse.de>
7358
7359         PR middle-end/36291
7360         * tree-dfa.c (add_referenced_var): Do not recurse into
7361         global initializers.
7362         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
7363         exposed variables.
7364         (fold_const_aggregate_ref): Likewise.
7365
7366 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7367
7368         * recog.c (ordered_comparison_operator): New.
7369         * gensupport.c (std_preds): Add it.
7370         * doc/md.texi (Machine-Independent Predicates): Document it.
7371
7372 2009-04-08  Jan Hubicka  <jh@suse.cz>
7373
7374         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
7375         * function.h (rtl_eh): Remove exception_handler_label_map.
7376         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
7377         remove_exception_handler_label, for_each_eh_label_1): Remove.
7378         (rtl_remove_unreachable_regions): Remove.
7379         (convert_from_eh_region_ranges): Do not remove unreachable regions.
7380         (find_exception_handler_labels): Don't build the hashtable.
7381         (maybe_remove_eh_handler): Remove.
7382         (for_each_eh_label): Rewrite to walk the tree.
7383         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
7384         * except.h (maybe_remove_eh_handler): Remove.
7385         * passes.c (init_optimization_passes): Schedule second EH cleanup
7386         before out-of-ssa.
7387         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
7388         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
7389
7390 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7391
7392         * genoutput.c (validate_optab_operands): New.
7393         (gen_insn, gen_expand): Call it.
7394
7395         * genflags.c (gen_insn): Detect misused iterators.
7396         (main): Pass line_no to gen_insn, exit with status 1 on error.
7397
7398         * genextract.c (line_no): Make global.
7399         (VEC_safe_set_locstr): Change assertion to error message.
7400         (main): Exit with status 1 on error.
7401
7402 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
7403
7404         PR c/39614
7405         PR c/39673
7406         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7407         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7408         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
7409         * c-convert.c (convert): Do not call fold on results of conversion
7410         functions when the result is a C_MAYBE_CONST_EXPR.
7411         * c-parser.c (c_parser_postfix_expression): Do not fold condition
7412         of __builtin_choose_expr.
7413         * c-typeck.c (remove_c_maybe_const_expr): New.
7414         (build_unary_op, build_conditional_expr, build_compound_expr,
7415         build_binary_op, c_objc_common_truthvalue_conversion): Call
7416         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
7417         integer operands.
7418
7419 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
7420
7421         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
7422         CODE to produce a new one. Add a prototype to use fold_convert_const
7423
7424 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
7425
7426         PR bootstrap/39660
7427         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
7428         mix declarations and code.
7429
7430 2009-04-08  Ben Elliston  <bje@au.ibm.com>
7431
7432         * gcc.c: Replace `CC' with `GCC' throughout.
7433
7434 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
7435
7436         * doc/invoke.texi: Document Atom support.
7437
7438 2009-04-07  Jason Merrill  <jason@redhat.com>
7439
7440         PR c++/25185
7441         * c-common.h, c-common.c: Add flag_pretty_templates.
7442         * c-opts.c (c_common_handle_option): Set it.
7443         * c.opt: Add -fno-pretty-templates.
7444         * doc/invoke.texi (C++ Dialect Options): Likewise.
7445
7446 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
7447
7448         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
7449         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
7450         (ia64_expand_builtin): Likewise.
7451
7452 2009-04-07  Martin Jambor  <mjambor@suse.cz>
7453
7454         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
7455         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
7456         ADDR_EXPRS are include too.
7457
7458 2009-04-07  Richard Guenther  <rguenther@suse.de>
7459
7460         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
7461         decls are only used if passes as parameters or if they are
7462         local statics and the call is not to a builtin.
7463         (call_may_clobber_ref_p_1): Likewise.
7464
7465 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7466
7467         * expr.c (do_store_flag): Remove last argument.  Simplify code
7468         to avoid duplication of tests already done by can_compare_p.
7469         (expand_expr_real_1): Adjust caller.
7470
7471 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7472
7473         * optabs.c (can_compare_p): Test the predicate of a
7474         cbranch and cstore pattern.
7475
7476 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7477
7478         * expr.c (convert_move): Use emit_store_flag instead of
7479         "emulating" it.
7480
7481 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7482
7483         * config/i386/i386.c (ix86_compare_emitted): Remove.
7484         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
7485         ix86_compare_op0 like ix86_compare_emitted used to be handled.
7486         * config/i386/i386.h (ix86_compare_emitted): Remove.
7487         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
7488         instead of ix86_compare_emitted.
7489         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
7490
7491 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
7492
7493         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
7494         Add t-sysroot-suffix to tmake_file.
7495         * config/print-sysroot-suffix.sh: New file.
7496         * config/t-sysroot-suffix: New file.
7497
7498 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7499
7500         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
7501         as the latter produces a warning when the target does not support
7502         infinity.
7503
7504 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7505
7506         * dfp.c: Replace type punning assignments with memcpy throughout.
7507         * Makefile.in (dfp.o-warn): Remove.
7508
7509 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
7510
7511         PR target/39634
7512         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
7513         Include soft-fp/t-softfp after rs6000/t-linux64.
7514
7515 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7516
7517         * stor-layout.c (set_sizetype): Use the full precision of their
7518         machine mode for bitsize types.
7519
7520 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
7521
7522         * config/i386/i386.md: Revert 2 accidental checkins.
7523
7524 2009-04-06  Joey Ye  <joey.ye@intel.com>
7525             Xuepeng Guo  <xuepeng.guo@intel.com>
7526             H.J. Lu  <hongjiu.lu@intel.com>
7527
7528         Atom pipeline model, tuning and insn selection.
7529         * config.gcc (atom): Add atom config options and target.
7530
7531         * config/i386/atom.md: New.
7532
7533         * config/i386/i386.c (atom_cost): New cost.
7534         (m_ATOM): New macro flag.
7535         (initial_ix86_tune_features): Set m_ATOM.
7536         (x86_accumulate_outgoing_args): Likewise.
7537         (x86_arch_always_fancy_math_387): Likewise.
7538         (processor_target): Add Atom cost.
7539         (cpu_names): Add Atom cpu name.
7540         (override_options): Set Atom ISA.
7541         (ix86_issue_rate): New case PROCESSOR_ATOM.
7542         (ix86_adjust_cost): Likewise.
7543
7544         * config/i386/i386.h (TARGET_ATOM): New target macro.
7545         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
7546         (TARGET_OPT_AGU): New target option.
7547         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
7548         (processor_type): Add PROCESSOR_ATOM.
7549
7550         * config/i386/i386.md (cpu): Add new value "atom".
7551         (use_carry, movu): New attr.
7552         (atom.md): Include atom.md.
7553         (adddi3_carry_rex64): Set attr "use_carry".
7554         (addqi3_carry): Likewise.
7555         (addhi3_carry): Likewise.
7556         (addsi3_carry): Likewise.
7557         (*addsi3_carry_zext): Likewise.
7558         (subdi3_carry_rex64): Likewise.
7559         (subqi3_carry): Likewise.
7560         (subhi3_carry): Likewise.
7561         (subsi3_carry): Likewise.
7562         (x86_movdicc_0_m1_rex64): Likewise.
7563         (*x86_movdicc_0_m1_se): Likewise.
7564         (x86_movsicc_0_m1): Likewise.
7565         (*x86_movsicc_0_m1_se): Likewise.
7566         (*adddi_1_rex64): Emit add insn as much as possible.
7567         (*addsi_1): Likewise.
7568         (return_internal): Set atom_unit.
7569         (return_internal_long): Likewise.
7570         (return_pop_internal): Likewise.
7571         (*rcpsf2_sse): Set atom_sse_attr attr.
7572         (*qrt<mode>2_sse): Likewise.
7573         (*prefetch_sse): Likewise.
7574
7575         * config/i386/i386-c.c (ix86_target_macros_internal): New case
7576         PROCESSOR_ATOM.
7577         (ix86_target_macros_internal): Likewise.
7578
7579         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
7580         (*prefetch_sse_rex): Likewise.
7581         (sse_rcpv4sf2): Likewise.
7582         (sse_vmrcpv4sf2): Likewise.
7583         (sse_sqrtv4sf2): Likewise.
7584         (<sse>_vmsqrt<mode>2): Likewise.
7585         (sse_ldmxcsr): Likewise.
7586         (sse_stmxcsr): Likewise.
7587         (*sse_sfence): Likewise.
7588         (sse2_clflush): Likewise.
7589         (*sse2_mfence): Likewise.
7590         (*sse2_lfence): Likewise.
7591         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
7592         (<sse>_movup<ssemodesuffixf2c>): Likewise.
7593         (avx_movdqu<avxmodesuffix>): Likewise.
7594         (avx_lddqu<avxmodesuffix>): Likewise.
7595         (sse2_movntv2di): Change attr "type" to "ssemov".
7596         (sse2_movntsi): Likewise.
7597         (rsqrtv8sf2): Change attr "type" to "sseadd".
7598         (sse3_addsubv2df3): Set attr "atom_unit".
7599         (sse3_h<plusminus_insn>v4sf3): Likewise.
7600         (*sse2_pmaddwd): Likewise.
7601         (*vec_extractv2di_1_rex64): Likewise.
7602         (*vec_extractv2di_1_avx): Likewise.
7603         (sse2_psadbw): Likewise.
7604         (ssse3_phaddwv8hi3): Likewise.
7605         (ssse3_phaddwv4hi3): Likewise.
7606         (ssse3_phadddv4si3): Likewise.
7607         (ssse3_phadddv2si3): Likewise.
7608         (ssse3_phaddswv8hi3): Likewise.
7609         (ssse3_phaddswv4hi3): Likewise.
7610         (ssse3_phsubwv8hi3): Likewise.
7611         (ssse3_phsubwv4hi3): Likewise.
7612         (ssse3_phsubdv4si3): Likewise.
7613         (ssse3_phsubdv2si3): Likewise.
7614         (ssse3_phsubswv8hi3): Likewise.
7615         (ssse3_phsubswv4hi3): Likewise.
7616         (ssse3_pmaddubsw128): Likewise.
7617         (sse3_pmaddubsw: Likewise.
7618         (ssse3_palignrti): Likewise.
7619         (ssse3_palignrdi): Likewise.
7620
7621 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
7622
7623         * doc/install.texi (Specific): Fix two cross-references to MinGW.
7624
7625 2009-04-06  Richard Guenther  <rguenther@suse.de>
7626
7627         PR tree-optimization/28868
7628         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
7629         of which PHI results we inserted.
7630         (insert_into_preds_of_block): Record inserted PHIs.
7631         (eliminate): Eliminate redundant PHI nodes.
7632         (init_pre): Init inserted_phi_names.
7633
7634 2009-04-06  Richard Guenther  <rguenther@suse.de>
7635
7636         PR tree-optimization/39643
7637         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
7638         IMAGPART_EXPRs of complex constants.
7639         (execute_fold_all_builtins): If we folded a call queue
7640         TODO_update_address_taken.
7641
7642 2009-04-06  Jan Hubicka  <jh@suse.cz>
7643
7644         PR middle-end/39659
7645         * except.c (remove_unreachable_regions): Propagate may_contain_throw
7646         flag.
7647
7648 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
7649
7650         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
7651         delay slot.
7652         (ic_invalidate_array): Likewise.
7653
7654 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
7655
7656         * calls.c (emit_library_call_value_1): Fix a problem with parameter
7657         alignment for library calls.
7658
7659 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
7660
7661         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
7662         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
7663         * config/i386/mingw-stdint.h:  New file.
7664
7665 2009-04-05  Richard Guenther  <rguenther@suse.de>
7666
7667         PR tree-optimization/39648
7668         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
7669         our &A vs. &A[0] IL deficiencies.
7670
7671 2009-04-04  Jan Hubicka  <jh@suse.cz>
7672
7673         * except.c (sjlj_find_directly_reachable_regions): Be ready for
7674         removed toplevel regions.
7675         (sjlj_mark_call_sites): Likewise.
7676
7677 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
7678
7679         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
7680         (cygwin tm clause use_gcc_stdint):  Set to wrap.
7681         * config/i386/cygwin-stdint.h:  New file.
7682
7683 2009-04-04  Richard Guenther  <rguenther@suse.de>
7684
7685         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
7686         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
7687         single-argument PHIs if we are in loop-closed SSA form.
7688         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7689         for the pre-condition.
7690         (slpeel_tree_peel_loop_to_edge): Likewise.
7691         (vect_build_loop_niters): Take an optional sequence to append stmts.
7692         (vect_generate_tmps_on_preheader): Likewise.
7693         (vect_do_peeling_for_loop_bound): Take extra guards for the
7694         pre-condition.
7695         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
7696         the cost model check.
7697         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7698         guards if we are going to peel.  Do not apply versioning in that case.
7699         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
7700         (vect_do_peeling_for_loop_bound): Likewise.
7701         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
7702         loop bound only record extra pre-conditions, do not apply loop
7703         versioning.
7704
7705 2009-04-04  Richard Guenther  <rguenther@suse.de>
7706
7707         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
7708         renaming code.
7709
7710 2009-04-04  Jan Hubicka  <jh@suse.cz>
7711
7712         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7713         last_basic_block for size of bb->index indexed array.
7714         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
7715         compute_out, link_btr_uses, build_btr_def_use_webs,
7716         build_btr_def_use_webs, migrate_btr_defs): Likewise.
7717
7718 2009-04-04  Jan Hubicka  <jh@suse.cz>
7719
7720         * except.c (remove_eh_handler_and_replace): Break out from ...
7721         (remove_eh_handler): ... here.
7722         (bring_to_root): New function.
7723         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7724         handled ones, bring others to root of tree.
7725
7726 2009-04-04  Jan Hubicka  <jh@suse.cz>
7727
7728         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
7729         (all_phis_safe_to_merge): New function.
7730         (update_info): New structure.
7731         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
7732         (cleanup_empty_eh): Update SSA if possible.
7733
7734 2009-04-04  Richard Guenther  <rguenther@suse.de>
7735
7736         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
7737         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
7738         (append_vuse): Likewise.
7739
7740 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
7741
7742         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
7743         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
7744         instead of REG_UNSAVED for DW_CFA_undefined.
7745         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
7746         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
7747         outermost frame.
7748
7749 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
7750
7751         PR target/39501
7752         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
7753         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
7754         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
7755
7756 2009-04-04  Richard Guenther  <rguenther@suse.de>
7757
7758         PR tree-optimization/8781
7759         PR tree-optimization/37892
7760         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
7761         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
7762         (valueize_refs): Call it for *& valueizations.
7763         (shared_reference_ops_from_ref): Rename to ...
7764         (valueize_shared_reference_ops_from_ref): ... this and valueize.
7765         (shared_reference_ops_from_call): Rename to ...
7766         (valueize_shared_reference_ops_from_call): ... this and valueize.
7767         (vn_reference_lookup): Update.
7768         (visit_reference_op_call): Likewise.
7769         * tree-ssa-pre.c (phi_translate_1): Fold *&.
7770         (eliminate): Value-replace the call address in call statements.
7771
7772 2009-04-04  Richard Guenther  <rguenther@suse.de>
7773
7774         PR tree-optimization/39636
7775         * tree-ssa-forwprop.c
7776         (forward_propagate_addr_into_variable_array_index): Check for
7777         GIMPLE_ASSIGN before accessing the rhs code.
7778
7779 2009-04-03  Jason Merrill  <jason@redhat.com>
7780
7781         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
7782
7783 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
7784
7785         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
7786         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
7787         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
7788         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
7789         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
7790         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
7791         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
7792         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
7793         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
7794         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
7795         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
7796         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
7797         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
7798         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
7799         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
7800         Use fr_reg_or_fp01_operand instead of fr_register_operand
7801
7802         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
7803         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
7804         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
7805
7806 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
7807
7808         PR rtl-optimization/39607
7809         PR rtl-optimization/39631
7810
7811         Revert:
7812
7813         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7814         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7815         instead of DF_LR_OUT.
7816         * ira-lives.c (process_bb_node_lives): Ditto.
7817         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7818         instead of DF_LR_{OUT,IN}.
7819         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7820         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7821
7822 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7823
7824         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7825         (execute_lower_omp): Always run but take the short way out if -fopenmp
7826         is not given.
7827         (gate_lower_omp): Remove, forcing the pass manager to always run the
7828         pass and always set PROP_gimple_lomp.
7829         (pass_lower_omp): Remove gate function.
7830         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7831         PROP_trees.  Instead, require it.
7832         * ipa-cp.c (pass_ipa_cp): Likewise.
7833         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7834         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7835         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7836         and PROP_gimple_leh.
7837
7838 2009-04-03  Richard Guenther  <rguenther@suse.de>
7839
7840         PR middle-end/13146
7841         PR tree-optimization/23940
7842         PR tree-optimization/33237
7843         PR middle-end/33974
7844         PR middle-end/34093
7845         PR tree-optimization/36201
7846         PR tree-optimization/36230
7847         PR tree-optimization/38049
7848         PR tree-optimization/38207
7849         PR tree-optimization/38230
7850         PR tree-optimization/38301
7851         PR tree-optimization/38585
7852         PR middle-end/38895
7853         PR tree-optimization/38985
7854         PR tree-optimization/39299
7855         * tree-ssa-structalias.h: Remove.
7856         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7857         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7858         (struct vuse_element_d): Remove.
7859         (struct vuse_vec_d): Likewise.
7860         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7861         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7862         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7863         VUSE_ELEMENT_VAR): Likewise.
7864         (struct voptype_d): Likewise.
7865         (NUM_VOP_FREE_BUCKETS): Likewise.
7866         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7867         (struct stmt_operands_d): Remove.
7868         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7869         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7870         VDEF_NUM, VDEF_VECT): Likewise.
7871         (copy_virtual_operands): Remove.
7872         (operand_build_cmp): Likewise.
7873         (create_ssa_artificial_load_stmt): Likewise.
7874         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7875         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7876         vuse_index and mayuse_index members.  Pack and move done and iter_type
7877         members to the front.
7878         (SSA_OP_VMAYUSE): Remove.
7879         (SSA_OP_VIRTUAL_USES): Adjust.
7880         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7881         (unlink_stmt_vdef): Declare.
7882         (add_to_addressable_set): Remove.
7883         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7884         (vrp_visit_stmt): Likewise.
7885         * doc/tree-ssa.texi (Alias analysis): Update.
7886         * doc/invoke.texi (max-aliased-vops): Remove docs.
7887         (avg-aliased-vops): Likewise.
7888         * tree-into-ssa.c (syms_to_rename): Remove.
7889         (need_to_update_vops_p): Likewise.
7890         (need_to_initialize_update_ssa_p): Rename to ...
7891         (update_ssa_initialized_fn): ... this.  Track function we are
7892         initialized for.
7893         (symbol_marked_for_renaming): Simplify.
7894         (add_new_name_mapping): Do not set need_to_update_vops_p.
7895         (dump_currdefs): Use SYMS_TO_RENAME.
7896         (rewrite_update_stmt): Always walk all uses/defs.
7897         (dump_update_ssa): Adjust.
7898         (init_update_ssa): Take function argument.  Track what we are
7899         initialized for.
7900         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7901         (create_new_def_for): Initialize for cfun, assert we are initialized
7902         for cfun.
7903         (mark_sym_for_renaming): Simplify.
7904         (mark_set_for_renaming): Do not initialize update-ssa.
7905         (need_ssa_update_p): Simplify.  Take function argument.
7906         (name_mappings_registered_p): Assert we ask for the correct function.
7907         (name_registered_for_update_p): Likewise.
7908         (ssa_names_to_replace): Likewise.
7909         (release_ssa_name_after_update_ssa): Likewise.
7910         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7911         (dump_decl_set): Do not print a newline.
7912         (debug_decl_set): Do it here.
7913         (dump_update_ssa): And here.
7914         * tree-ssa-loop-im.c (move_computations): Adjust.
7915         (movement_possibility): Likewise.
7916         (determine_max_movement): Likewise.
7917         (gather_mem_refs_stmt): Likewise.
7918         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7919         or NAME_MEMORY_TAG.
7920         * tree-complex.c (update_all_vops): Remove.
7921         (expand_complex_move): Adjust.
7922         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7923         Simplify test for memory referencing statement.  Exclude
7924         non-invariant ADDR_EXPRs.
7925         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7926         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7927         (rdg_flag_uses): Likewise.
7928         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7929         related code.
7930         (tree_optimize_tail_calls_1): Also split the
7931         edge from the entry block if we have degenerate PHI nodes in
7932         the first basic block.
7933         * tree.c (init_ttree): Remove memory-tag related code.
7934         (tree_code_size): Likewise.
7935         (tree_node_structure): Likewise.
7936         (build7_stat): Re-write to be build6_stat.
7937         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7938         (SSA_VAR_P): Adjust.
7939         (struct tree_memory_tag): Remove.
7940         (struct tree_memory_partition_tag): Likewise.
7941         (union tree_node): Adjust.
7942         (build7): Re-write to be build6.
7943         * tree-pass.h (pass_reset_cc_flags): Remove.
7944         (TODO_update_address_taken): New flag.
7945         (pass_simple_dse): Remove.
7946         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7947         * params.h (MAX_ALIASED_VOPS): Remove.
7948         (AVG_ALIASED_VOPS): Likewise.
7949         * omp-low.c (expand_omp_taskreg): Update SSA form.
7950         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7951         aliases the lhs in a copy stmt.
7952         * tree-ssa-dse.c (struct address_walk_data): Remove.
7953         (memory_ssa_name_same): Likewise.
7954         (memory_address_same): Likewise.
7955         (get_kill_of_stmt_lhs): Likewise.
7956         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7957         unused stores.  Look through PHI nodes into post-dominated regions.
7958         (dse_optimize_stmt): Simplify.  Properly remove stores.
7959         (tree_ssa_dse): Compute dominators.
7960         (execute_simple_dse): Remove.
7961         (pass_simple_dse): Likewise.
7962         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7963         gimple_loaded_syms and gimple_stored_syms computation.
7964         * toplev.c (dump_memory_report): Dump alias and pta stats.
7965         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7966         (vn_reference_eq): Likewise.
7967         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7968         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7969         valueize_vuses): Remove.
7970         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7971         (get_def_ref_stmt_vuse): ... this.
7972         (vn_reference_lookup_2): New function.
7973         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7974         walking equivalent vuses.  Simplify.
7975         (vn_reference_lookup): Likewise.
7976         (vn_reference_insert): Likewise.
7977         (vn_reference_insert_pieces): Likewise.
7978         (visit_reference_op_call): Simplify.
7979         (visit_reference_op_load): Likewise.
7980         (visit_reference_op_store): Likewise.
7981         (init_scc_vn): Remove shared_lookup_vuses initialization.
7982         (free_scc_vn): Remove shared_lookup_vuses freeing.
7983         (sort_vuses, sort_vuses_heap): Remove.
7984         (get_ref_from_reference_ops): Export.
7985         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7986         vector with single vuse pointer.
7987         (vn_reference_lookup_pieces, vn_reference_lookup,
7988         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7989         (shared_vuses_from_stmt): Remove.
7990         (get_ref_from_reference_ops): Declare.
7991         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7992         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7993         memory-tag related code.
7994         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7995         (likely_value): Add comment, skip static-chain of call statements.
7996         (surely_varying_stmt_p): Adjust.
7997         (gimplify_and_update_call_from_tree): Likewise.
7998         (execute_fold_all_builtins): Do not rebuild alias info.
7999         (gimplify_and_update_call_from_tree): Properly update VOPs.
8000         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
8001         (copy_ref_info): Remove memory-tag related code.
8002         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
8003         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
8004         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
8005         computation.
8006         * tree-ssa-dom.c (gimple_p): Remove typedef.
8007         (eliminate_redundant_computations): Adjust.
8008         (record_equivalences_from_stmt): Likewise.
8009         (avail_expr_hash): Likewise.
8010         (avail_expr_eq): Likewise.
8011         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
8012         (stmt_makes_single_load): Likewise.
8013         (stmt_makes_single_store): Likewise.
8014         * tree-ssa-alias.c: Rewrite completely.
8015         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
8016         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
8017         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
8018         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
8019         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
8020         Remove public functions.
8021         (pass_reset_cc_flags): Remove.
8022         (pass_build_alias): Move ...
8023         * tree-ssa-structalias.c (pass_build_alias): ... here.
8024         * tree-ssa-alias.c (may_be_aliased): Move ...
8025         * tree-flow-inline.h (may_be_aliased): ... here.
8026         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
8027         count_uses_and_derefs): Move ...
8028         * gimple.c: ... here.
8029         * gimple.h (count_uses_and_derefs): Declare.
8030         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
8031         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
8032         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
8033         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
8034         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
8035         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
8036         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
8037         New functions.
8038         * tree-dfa.c (refs_may_alias_p): Move ...
8039         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
8040         * tree-ssa-alias.h: New file.
8041         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
8042         (statement_sink_location): Likewise.
8043         * opts.c (decode_options): Do not adjust max-aliased-vops or
8044         avg-aliased-vops values.
8045         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
8046         (TV_CALL_CLOBBER): Likewise.
8047         (TV_FLOW_SENSITIVE): Likewise.
8048         (TV_FLOW_INSENSITIVE): Likewise.
8049         (TV_MEMORY_PARTITIONING): Likewise.
8050         (TV_ALIAS_STMT_WALK): New timevar.
8051         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
8052         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
8053         (get_address_description): Remove memory-tag related code.
8054         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
8055         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
8056         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
8057         and immediate uses in statements.  Document.
8058         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
8059         (dump_symbols): Remove.
8060         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
8061         * alias.c (get_deref_alias_set): New function split out from ...
8062         (get_alias_set): ... here.
8063         * alias.h (get_deref_alias_set): Declare.
8064         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
8065         type parameter.  Remove restrict pointer handling.  Create a
8066         ref-all pointer in case type-based alias sets do not conflict.
8067         (vect_analyze_data_refs): Remove SMT related code.
8068         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
8069         (vectorizable_load): Likewise.
8070         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
8071         (DR_SYMBOL_TAG, DR_VOPS): Remove.
8072         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
8073         Ignore vops and SMTs.
8074         (dr_analyze_alias): Likewise..
8075         (free_data_ref): Likewise.
8076         (create_data_ref): Likewise.
8077         (analyze_all_data_dependences): Likewise.
8078         (get_references_in_stmt): Adjust.
8079         * tree-flow-inline.h (gimple_aliases_computed_p,
8080         gimple_addressable_vars, gimple_call_clobbered_vars,
8081         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
8082         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
8083         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
8084         gimple_mem_ref_stats): Remove.
8085         (gimple_vop): New function.
8086         (op_iter_next_use): Remove vuses and mayuses cases.
8087         (op_iter_next_def): Remove vdefs case.
8088         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
8089         (clear_and_done_ssa_iter): Do not set removed fields.
8090         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
8091         Assert we are not iterating over vuses or vdefs if not also
8092         iterating over uses or defs.
8093         (op_iter_init_use): Likewise.
8094         (op_iter_init_def): Likewise.
8095         (op_iter_next_vdef): Remove.
8096         (op_iter_next_mustdef): Likewise.
8097         (op_iter_init_vdef): Likewise.
8098         (compare_ssa_operands_equal): Likewise.
8099         (link_use_stmts_after): Handle vuse operand.
8100         (is_call_used): Use is_call_clobbered.
8101         (is_call_clobbered): Global variables are always call clobbered,
8102         query the call-clobbers bitmap.
8103         (mark_call_clobbered): Ignore global variables.
8104         (clear_call_clobbered): Likewise.
8105         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
8106         virtual operands sanity check.
8107         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
8108         Remove.
8109         (TARGET_MEM_REF): Remove TMR_TAG operand.
8110         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
8111         Remove call-clobber related code.
8112         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
8113         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
8114         partitions or escape reason.
8115         (get_single_def_stmt, get_single_def_stmt_from_phi,
8116         get_single_def_stmt_with_phi): Remove.
8117         (dump_referenced_vars): Tidy.
8118         (get_ref_base_and_extent): Allow bare decls.
8119         (collect_dfa_stats): Adjust.
8120         * graphite.c (rename_variables_in_stmt): Adjust.
8121         (graphite_copy_stmts_from_block): Likewise.
8122         (translate_clast): Likewise.
8123         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
8124         (EXPR_DIES): New.
8125         (translate_vuse_through_block): Use the oracle.
8126         (phi_translate_1): Adjust.
8127         (value_dies_in_block_x): Use the oracle.  Cache the outcome
8128         in EXPR_DIES.
8129         (valid_in_sets): Check if the VUSE for
8130         a REFERENCE is available.
8131         (eliminate): Do not remove stmts during elimination,
8132         instead queue and remove them afterwards.
8133         (do_pre): Do not rebuild alias info.
8134         (pass_pre): Run TODO_rebuild_alias before PRE.
8135         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
8136         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
8137         (mark_all_v_defs_stmt): Remove.
8138         (mark_all_v_defs_seq): Adjust.
8139         (sra_replace): Likewise.
8140         (scalarize_use): Likewise.
8141         (scalarize_copy): Likewise.
8142         (scalarize_init): Likewise.
8143         (scalarize_ldst): Likewise.
8144         (todoflags): Remove.
8145         (tree_sra): Do not rebuild alias info.
8146         (tree_sra_early): Adjust.
8147         (pass_sra): Run TODO_update_address_taken before SRA.
8148         * tree-predcom.c (set_alias_info): Remove.
8149         (prepare_initializers_chain): Do not call it.
8150         (mark_virtual_ops_for_renaming): Adjust.
8151         (mark_virtual_ops_for_renaming_list): Remove.
8152         (initialize_root_vars): Adjust.
8153         (initialize_root_vars_lm): Likewise.
8154         (prepare_initializers_chain): Likewise.
8155         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
8156         (may_propagate_copy_into_stmt): Likewise.
8157         (merge_alias_info): Do nothing for now.
8158         (propagate_tree_value_into_stmt): Adjust.
8159         (stmt_may_generate_copy): Likewise.
8160         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
8161         not mark symbols for renaming.
8162         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
8163         with the same statement, make sure to update the new pointed-to one.
8164         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
8165         call statements, do not mark symbols for renaming.
8166         (mark_operand_necessary): Dump something.
8167         (ref_may_be_aliased): New function.
8168         (mark_aliased_reaching_defs_necessary_1): New helper function.
8169         (mark_aliased_reaching_defs_necessary): Likewise.
8170         (mark_all_reaching_defs_necessary_1): Likewise.
8171         (mark_all_reaching_defs_necessary): Likewise.
8172         (propagate_necessity): Do not process virtual PHIs.  For
8173         non-aliased loads mark all reaching definitions as necessary.
8174         For aliased loads and stores mark the immediate dominating
8175         aliased clobbers as necessary.
8176         (visited): New global static.
8177         (perform_tree_ssa_dce): Free visited bitmap after propagating
8178         necessity.
8179         (remove_dead_phis): Perform simple dead virtual PHI removal.
8180         (remove_dead_stmt): Properly unlink virtual operands when
8181         removing stores.
8182         (eliminate_unnecessary_stmts): Schedule PHI removal after
8183         stmt removal.
8184         * tree-ssa-ter.c (is_replaceable_p): Adjust.
8185         (process_replaceable): Likewise.
8186         (find_replaceable_in_bb): Likewise.
8187         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
8188         based on the single gimple vop.
8189         (verify_flow_insensitive_alias_info): Remove.
8190         (verify_flow_sensitive_alias_info): Likewise.
8191         (verify_call_clobbering): Likewise.
8192         (verify_memory_partitions): Likewise.
8193         (verify_alias_info): Likewise.
8194         (verify_ssa): Adjust..
8195         (execute_update_addresses_taken): Export.  Update SSA
8196         manually.  Optimize only when optimizing.  Use a local bitmap.
8197         (pass_update_address_taken): Remove TODO_update_ssa, add
8198         TODO_dump_func.
8199         (pass_update_address_taken): Just use TODO_update_address_taken.
8200         (init_tree_ssa): Do not initialize addressable_vars.
8201         (verify_ssa): Verify new VUSE / VDEF properties.
8202         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
8203         Do not call verify_alias_info.
8204         (delete_tree_ssa): Clear the VUSE, VDEF operands.
8205         Do not free the loaded and stored syms bitmaps.  Reset the escaped
8206         and callused solutions.  Do not free addressable_vars.
8207         Remove memory-tag related code.
8208         (warn_uninitialized_var): Aliases are always available.
8209         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
8210         * lambda-code.c (can_put_in_inner_loop): Adjust.
8211         (can_put_after_inner_loop): Likewise.
8212         (perfect_nestify): Likewise.
8213         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
8214         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
8215         (vectorizable_conversion): Do not mark symbols for renaming.
8216         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
8217         (expand_call_inline): Unlink the calls virtual operands before
8218         replacing it.
8219         (tree_function_versioning): Do not call update_ssa if we are not
8220         updating clones.  Simplify.
8221         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
8222         (propagate_with_phi): Likewise..
8223         * tree-outof-ssa.c (create_temp): Remove memory tag and call
8224         clobber code.  Assert we are not aliased or global.
8225         * tree-flow.h: Include tree-ssa-alias.h
8226         (enum escape_type): Remove.
8227         (struct mem_sym_stats_d): Likewise.
8228         (struct mem_ref_stats_d): Likewise.
8229         (struct gimple_df): Add vop member.  Remove global_var,
8230         call_clobbered_vars, call_used_vars, addressable_vars,
8231         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
8232         escaped and callused members.
8233         (struct ptr_info_def): Remove all members, add points-to solution
8234         member pt.
8235         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
8236         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
8237         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
8238         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
8239         (tree-ssa-alias.o): Likewise.
8240         (toplev.o): Add tree-ssa-alias.h
8241         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
8242         * gimple.c (gimple_set_bb): Fix off-by-one error.
8243         (is_gimple_reg): Do not handle memory tags.
8244         (gimple_copy): Also copy virtual operands.
8245         Delay updating the statement.  Do not reset loaded and stored syms.
8246         (gimple_set_stored_syms): Remove.
8247         (gimple_set_loaded_syms): Likewise.
8248         (gimple_call_copy_skip_args): Copy the virtual operands
8249         and mark the new statement modified.
8250         * tree-ssa-structalias.c (may_alias_p): Remove.
8251         (set_uids_in_ptset): Take the alias set to prune with as
8252         parameter.  Fold in the alias test of may_alias_p.
8253         (compute_points_to_sets): Compute whether a ptr is dereferenced
8254         in a local sbitmap.
8255         (process_constraint): Deal with &ANYTHING on the lhs, reject all
8256         other ADDRESSOF constraints on the lhs.
8257         (get_constraint_for_component_ref): Assert that we don't get
8258         ADDRESSOF constraints from the base of the reference.
8259         Properly generate UNKNOWN_OFFSET for DEREF if needed.
8260         (struct variable_info): Remove collapsed_to member.
8261         (get_varinfo_fc): Remove.
8262         (new_var_info): Do not set collapsed_to.
8263         (dump_constraint): Do not follow cycles.
8264         (dump_constraint_graph): Likewise.
8265         (build_pred_graph): Likewise.
8266         (build_succ_graph): Likewise.
8267         (rewrite_constraints): Likewise.
8268         (do_simple_structure_copy): Remove.
8269         (do_rhs_deref_structure_copy): Remove.
8270         (do_lhs_deref_structure_copy): Remove.
8271         (collapse_rest_of_var): Remove.
8272         (do_structure_copy): Re-implement.
8273         (pta_stats): New global variable.
8274         (dump_pta_stats): New function.
8275         (struct constraint_expr): Make offset signed.
8276         (UNKNOWN_OFFSET): Define special value.
8277         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
8278         (solution_set_expand): New helper function split out from ...
8279         (do_sd_constraint): ... here.
8280         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
8281         (do_ds_constraint): Likewise.
8282         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
8283         and CALLUSED = *CALLUSED.
8284         (set_union_with_increment): Make inc argument signed.
8285         (type_safe): Remove.
8286         (get_constraint_for_ptr_offset): Handle unknown and negative
8287         constant offsets.
8288         (first_vi_for_offset): Handle offsets before start.  Bail
8289         out early for offsets beyond the variable extent.
8290         (first_or_preceding_vi_for_offset): New function.
8291         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
8292         Together with ESCAPED = *ESCAPED this properly computes reachability.
8293         (find_what_var_points_to): New function.
8294         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
8295         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
8296         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
8297         pt_solutions_intersect): New functions.
8298         (compute_call_used_vars): Remove.
8299         (compute_may_aliases): New main entry into PTA computation.
8300         * gimple.h (gimple_p): New typedef.
8301         (struct gimple_statement_base): Remove references_memory_p.
8302         (struct gimple_statement_with_memory_ops_base): Remove
8303         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
8304         members.
8305         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
8306         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
8307         gimple_set_references_memory): Remove.
8308         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
8309         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
8310         New functions.
8311         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
8312         (verify_expr): Allow RESULT_DECL.
8313         (gimple_duplicate_bb): Do not copy virtual operands.
8314         (gimple_duplicate_sese_region): Adjust.
8315         (gimple_duplicate_sese_tail): Likewise.
8316         (mark_virtual_ops_in_region): Remove.
8317         (move_sese_region_to_fn): Do not call it.
8318         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
8319         and pass_simple_dse.
8320         (execute_function_todo): Handle TODO_update_address_taken,
8321         call execute_update_addresses_taken for TODO_rebuild_alias.
8322         (execute_todo): Adjust.
8323         (execute_one_pass): Init dump files early.
8324         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
8325         call-clobbered.
8326         (create_general_new_stmt): Clear vops.
8327         * tree-ssa-reassoc.c (get_rank): Adjust.
8328         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
8329         symbols for renaming.
8330         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
8331         (PARAM_AVG_ALIASED_VOPS): Likewise.
8332         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
8333         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
8334         * tree-ssa-operands.c: Simplify for new virtual operand representation.
8335         (operand_build_cmp, copy_virtual_operands,
8336         create_ssa_artificial_load_stmt, add_to_addressable_set,
8337         gimple_add_to_addresses_taken): Remove public functions.
8338         (unlink_stmt_vdef): New function.
8339
8340 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8341
8342         * config.gcc (powerpc-*-linux*): Merge variants.
8343
8344 2009-04-02  Chao-ying Fu  <fu@mips.com>
8345             James Grosbach  <james.grosbach@microchip.com>
8346
8347         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
8348         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
8349         cop0_sp_offset.
8350         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
8351         keep_interrupts_masked_p, use_debug_exception_return_p.
8352         (mips_attribute_table): Add interrupt, use_shadow_register_set,
8353         keep_interrupts_masked, use_debug_exception_return.
8354         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
8355         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
8356         New functions.
8357         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
8358         (mips_print_operand): Process COP0 registers to print $0 .. $31
8359         correctly for GAS to process.
8360         (mips_interrupt_extra_call_saved_reg_p): New function.
8361         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
8362         extra registers.
8363         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
8364         (mips_compute_frame_info): Add supports for interrupt context that
8365         includes doubleword accumulators and COP0 registers.
8366         (mips_for_each_saved_acc): New function.
8367         (mips_for_each_saved_gpr_and_fpr): Change the function name from
8368         mips_for_each_saved_reg.
8369         (mips_save_reg): Save accumulators.
8370         (mips_kernel_reg_p): A new for_each_rtx callback.
8371         (mips_expand_prologue): Support interrupt handlers.
8372         (mips_restore_reg): Restore accumulators.
8373         (mips_expand_epilogue): Support interrupt handlers.
8374         (mips_can_use_return_insn): Return false for interrupt handlers.
8375         (mips_epilogue_uses): New function.
8376         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
8377         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
8378         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
8379         cop0_move): New instructions.
8380         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
8381         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
8382         defines.
8383         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
8384         New defines.
8385         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
8386         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
8387         interrupt handlers, we use K0 as the temporary register.
8388         (EPILOGUE_USES): Change to a function call.
8389         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
8390         handlers, we use K0 as the temporary register.
8391
8392         * doc/extend.texi (Function Attributes): Document interrupt,
8393         use_shadow_register_set, keep_interrupts_masked,
8394         use_debug_exception_return for MIPS attributes.
8395
8396 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8397
8398         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
8399         Remove a number of t-files from tmake_file.
8400         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
8401         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
8402         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
8403         target_prototype, not TARGET_PROTOTYPE.
8404         (LINK_OS_GNU_SPEC): Define.
8405         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
8406         and darwin-ldoubdle.c.
8407
8408 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
8409
8410         PR driver/39293
8411         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
8412         (cpp_options): Ditto.
8413         (default_compilers): Ditto.
8414         (display_help): Ditto.
8415         (process_command): Ditto.
8416         (do_spec_1): Ditto.
8417         (set_input): Use lbasename instead of duplicate code.
8418         (save_temps_prefix): New static for -save-temps=obj.
8419         (save_temps_length): Ditto.
8420
8421         * doc/invoke.texi (-save-temps=obj): Document new variant to
8422         -save-temps switch.
8423
8424 2009-04-02  Jeff Law  <law@redhat.com>
8425
8426         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
8427         variable.
8428
8429 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8430
8431         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
8432         * configure: Regenerated.
8433
8434 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8435
8436         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
8437         share the argument list.
8438
8439 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8440
8441         Merge
8442
8443         2009-02-12  Diego Novillo  <dnovillo@google.com>
8444
8445         * varpool.c (debug_varpool): New.
8446         * cgraph.h (debug_varpool): Declare.
8447
8448 2009-04-02  Jan Hubicka  <jh@suse.cz>
8449
8450         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
8451         pass.
8452
8453 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8454
8455         * config/i386/i386.c (ix86_abi): Move initialization to ...
8456         (override_options): Here.
8457
8458 2009-04-02  Christian Bruel  <christian.bruel@st.com>
8459
8460         * config/sh/sh.c (sh_dwarf_register_span): New function.
8461         (TARGET_DWARF_REGISTER_SPAN): Define.
8462         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
8463
8464 2009-04-02  Ira Rosen  <irar@il.ibm.com>
8465
8466         PR tree-optimization/39595
8467         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
8468         interleaved loads group is not  greater than the SLP group size.
8469
8470 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8471
8472         * builtins.c (is_builtin_name): New.
8473         (called_as_built_in): Use is_builtin_name.
8474         * tree.h (is_builtin_name): New.
8475         * varasm.c (incorporeal_function_p): Use is_builtin_name
8476
8477 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
8478
8479         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
8480
8481 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
8482
8483         PR c++/26693
8484         * c-decl.c (clone_underlying_type): Move this ...
8485         * c-common.c (set_underlying_type): ... here.
8486         Also, make sure the function properly sets TYPE_STUB_DECL() on
8487         the newly created typedef variant type.
8488         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
8489         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
8490         points.
8491
8492 2009-04-02  Richard Guenther  <rguenther@suse.de>
8493
8494         PR tree-optimization/37221
8495         * tree-flow.h (degenerate_phi_result): Declare.
8496         * tree-ssa-dom.c (degenerate_phi_result): Export.
8497         * tree-scalar-evolution.c (analyze_initial_condition): If
8498         the initial condition is defined by a degenerate PHI node
8499         use the degenerate value.
8500
8501 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
8502
8503         PR rtl-optimization/39588
8504         * combine.c (merge_outer_ops): Do not set the constant when this
8505         is not necessary.
8506         (simplify_shift_const_1): Do not modify it either in this case.
8507
8508 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
8509
8510         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
8511         tuning is deprecated if -mtune value is set to an Itanium1 variant.
8512
8513 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
8514
8515         PR c/29027
8516         * c-lex.c (interpret_float): Default (no suffix) is double.
8517
8518 2009-04-1  Xinliang David Li  <davidxl@google.com>
8519
8520         * config/i386/i386.c (legitimate_constant_p): Recognize
8521         all one vector constant.
8522
8523 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8524
8525         * config/vax/vax.c: Add #includes to silence warnings.
8526         Change #include order to silence two warnings.
8527
8528 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8529
8530         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
8531         (ASM_SPEC): Pass -k to the assembler for PIC code.
8532
8533 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8534
8535         * config.gcc: Add vax-*-linux* to the switch.
8536         * config/vax/linux.h: New file. (TARGET_VERSION,
8537         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
8538
8539 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8540
8541         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
8542         Use predicate macros instead of GET_CODE() == foo.
8543         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
8544         ashlsi3, rotrsi3, <unnamed>): Likewise.
8545
8546 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8547
8548         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
8549         jbbccihi, jbbccisi): Remova trailing whitespace.
8550         * config/vax/constraints.md: Likewise.
8551         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8552         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
8553         * config/vax/predicates.md: Likewise.
8554         * config/vax/vax.c (print_operand_address, vax_output_int_move,
8555         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
8556         * config/vax/vax.h: Likewise.
8557         * config/vax/vax.md (nonlocal_goto): Likewise.
8558
8559 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8560
8561         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
8562         (indirectable_address_p, adjacent_operands_p): Add spaces around
8563         braces.
8564         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
8565
8566 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8567
8568         * config/vax/vax.c (legitimate_constant_address_p,
8569         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
8570         index_term_p, reg_plus_index_p, legitimate_address_p,
8571         vax_mode_dependent_address_p): Update comments to match functions
8572         modified by the recent int->bool conversion.
8573
8574 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8575
8576         * config/vax/builtins.md: Update copyright message.
8577         * config/vax/constraints.md: Likewise.
8578         * config/vax/netbsd-elf.h: Likewise.
8579         * config/vax/predicates.md: Likewise.
8580         * config/vax/vax-protos.h: Likewise.
8581         * config/vax/vax.c: Likewise.
8582         * config/vax/vax.h: Likewise.
8583         * config/vax/vax.md: Likewise.
8584         * config/vax/vax.opt: Likewise.
8585
8586 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8587
8588         * config/vax/builtins.md (ffssi2, ffssi2_internal,
8589         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
8590         * config/vax/constraints.md (B, R): Likewise.
8591         * config/vax/predicates.md (external_memory_operand,
8592         nonimmediate_addsub_di_operand): Likewise.
8593         * config/vax/vax.c (vax_output_int_add): Likewise.
8594         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
8595         untyped_call): Likewise.
8596
8597 2009-04-01  Matt Thomas  <matt@3am-software.com>
8598
8599         * config/vax/predicates.md: New file.
8600         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
8601         external_const_operand, nonsymbolic_operand, external_memory_operand,
8602         indirect_memory_operand, indexed_memory_operand,
8603         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
8604         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
8605         predicate.
8606         * config/vax/constraints.md: New file.
8607         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
8608         New constraint.
8609         * config/vax/builtins.md: New file.
8610         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
8611         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
8612         jbbccisi): Define.
8613         * config/vax/vax.opt (mqmath): Add option.
8614         * config/vax/vax.md (isfx): Extend with DI.
8615         (VAXintQH, VAXintQHSD): Define.
8616         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
8617         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
8618         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
8619         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
8620         (movdi): Update constraints and use vax_output_int_move().
8621         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
8622         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
8623         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
8624         nonlocal_goto): New.
8625         (mov<mode>): Extend accepted operand types.
8626         (subdi3_old): Rename from subdi3, change update constraints and use
8627         a new implementation.
8628         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
8629         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
8630         MOVE_RATIO, CLEAR_RATIO): Define.
8631         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
8632         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8633         (PRINT_OPERAND): Redefine using a function instead of inlined code.
8634         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
8635         (split_quadword_operands): Make static and really allow variable
8636         splitting.
8637         (print_operand_address): Update for PIC generation.
8638         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
8639         indexable_address_p, fixup_mathdi_operand,
8640         vax_expand_addsub_di_operands, adjacent_operands_p): New.
8641         (vax_float_literal, legitimate_constant_p,
8642         indirectable_constant_address_p, index_term_p,
8643         reg_plus_index_p): Return bool instead of int.
8644         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
8645         where needed.
8646         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
8647         generation.
8648         (vax_output_conditional_branch): Indent.
8649         (legitimate_constant_address_p, indirectable_constant_address_p,
8650         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
8651         vax_mode_dependent_address_p): Return bool instead of int, update for
8652         PIC generation.
8653         * config/vax/vax-protos.h (legitimate_constant_address_p,
8654         legitimate_constant_p, legitimate_address_p,
8655         vax_mode_dependent_address_p): Change declaration to bool.
8656         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
8657         vax_expand_addsub_di_operands, vax_output_int_subtract,
8658         vax_output_movmemsi): Declare.
8659         (split_quadword_operands, vax_float_literal): Delete declaration.
8660         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
8661         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
8662         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
8663         ASM_OUTPUT_DWARF_PCREL): Define.
8664         (ASM_SPEC): Change definition to allow PIC generation.
8665
8666 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
8667
8668         * doc/sourcebuild.texi: Update front-end requirements.
8669
8670 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8671
8672         PR target/39226
8673         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
8674         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
8675         (booldi3_internal3): Use boolean_or_operator instead of
8676         boolean_operator.
8677
8678 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
8679
8680         PR c/39605
8681         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
8682         declarator whose size is not an integer constant expression but
8683         folds to an integer constant, then treat it as a constant
8684         subsequently.
8685
8686 2009-04-01  Richard Guenther  <rguenther@suse.de>
8687
8688         * fold-const.c (fold_plusminus_mult_expr): Do not fold
8689         i * 4 + 2 to (i * 2 + 1) * 2.
8690
8691 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8692
8693         PR c/37772
8694         * c-parser.c (c_parser_asm_statement): Skip until close paren and
8695         return if c_parser_asm_string_literal returned NULL.
8696
8697 2009-04-01  Nick Clifton  <nickc@redhat.com>
8698
8699         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
8700         already defined.
8701         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
8702         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
8703         other typedefs to avoid conflicts with libgcc2.c.  Define labels
8704         to gain 16-bit bit-manipulation functions from libgcc2.c and then
8705         include it.
8706         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
8707         to gain 16-bit trapping arithmetic functions from libgcc2.c and
8708         then include it.
8709
8710 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
8711
8712         * varasm.c (default_function_rodata_section): Declare DOT as
8713         const char*.
8714
8715 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
8716             Andrey Galkin  <agalkin@hypercom.com>
8717
8718         PR/39492
8719         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
8720         Make object_name unique for each process.
8721
8722 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8723
8724         PR other/39591
8725         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
8726         addressable variables in the parallel that could go out of scope while
8727         running queued tasks.
8728
8729 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
8730
8731         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
8732         (CASE_VALUES_THRESHOLD): Redefine.
8733         * config/avr/avr.c (avr_override_options): Remove initialization of
8734         avr_case_values_threshold variable.
8735         (avr_case_values_threshold): Remove variable. Add new function.
8736         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
8737         * config/avr/avr.opt (mno-tablejump): Remove option.
8738         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
8739
8740 2009-04-01  DJ Delorie  <dj@redhat.com>
8741
8742         * varasm.c (default_function_rodata_section): Don't assume
8743         anything about where the first '.' in the section name is.
8744
8745 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
8746
8747         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
8748         rs6000_emit_stack_tie.
8749
8750 2009-03-31  Ian Lance Taylor  <iant@google.com>
8751
8752         * tree-eh.c (tree_remove_unreachable_handlers): Compare
8753         gimple_code with GIMPLE_RESX, not RESX.
8754
8755 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8756
8757         * c-common.c (c_get_ident): New.
8758         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
8759
8760 2009-04-01  Ben Elliston  <bje@au.ibm.com>
8761
8762         * config/rs6000/sysv4.opt (msdata): Improve option description.
8763
8764 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
8765
8766         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
8767         (divdf3_internal_lat): Remove.
8768         (divxf3_internal_lat): Remove.
8769         (divxf3_internal_thr): Remove.
8770         (divxf): Use divxf3_internal.
8771         * config/ia64/div.md (divsf3_internal_lat): New.
8772         (divdf3_internal_lat): New.
8773         (divxf3_internal): New.
8774
8775 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8776
8777         PR c/448
8778         * Makefile.in (USE_GCC_STDINT): Define.
8779         (stmp-int-hdrs): Install stdint.h if applicable.
8780         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8781         if known.
8782         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
8783         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
8784         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8785         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8786         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8787         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8788         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8789         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8790         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8791         (c_common_nodes_and_builtins): Initialize
8792         underlying_wchar_type_node.  Do not initialize
8793         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
8794         nodes for new types.
8795         (c_stddef_cpp_builtins): Define macros for new types.
8796         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
8797         Remove.
8798         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
8799         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
8800         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
8801         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
8802         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
8803         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
8804         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
8805         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
8806         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
8807         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
8808         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
8809         int16_type_node, int32_type_node, int64_type_node,
8810         uint8_type_node, uint16_type_node, c_uint32_type_node,
8811         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8812         int_least32_type_node, int_least64_type_node,
8813         uint_least8_type_node, uint_least16_type_node,
8814         uint_least32_type_node, uint_least64_type_node,
8815         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8816         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8817         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8818         uintptr_type_node): Define.
8819         * c-cppbuiltin.c (builtin_define_constants,
8820         builtin_define_type_minmax): New.
8821         (builtin_define_stdint_macros): Define more macros.
8822         (c_cpp_builtins): Define more limit macros.
8823         (type_suffix): New.
8824         (builtin_define_type_max): Define in terms of
8825         builtin_define_type_minmax.  Remove is_long parameter.  All
8826         callers changed.
8827         * config.gcc (use_gcc_stdint): Define.
8828         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8829         Add newlib-stdint.h for generic targets.
8830         * config/glibc-stdint.h, config/newlib-stdint.h,
8831         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8832         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8833         * config/score/score.h (UINTPTR_TYPE): Define.
8834         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8835         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8836         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8837         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8838         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8839         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8840         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8841         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8842         * config/spu/spu.h (STDINT_LONG32): Define.
8843         * configure.ac (use_gcc_stdint): Substitute.
8844         * configure: Regenerate.
8845         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8846         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8847         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8848         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8849         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8850         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8851         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8852         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8853         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8854         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8855         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8856         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8857         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8858         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8859         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8860         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8861         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8862         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8863         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8864         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8865         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8866         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8867         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8868         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8869         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8870         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8871         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8872         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8873         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8874
8875 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8876
8877         * loop-iv.c (suitable_set_for_replacement): Renamed from
8878         simplify_using_assignment; changed to return bool and to accept new
8879         args DEST and SRC.  Return true iff we find a source/destination pair
8880         that can be used to make a replacement, and fill SRC and DEST if so.
8881         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8882         changed.
8883         (simplify_using_initial_values): Deal with altered regs here and track
8884         more precisely the effect they have on the validity of our expression.
8885
8886         * loop-iv.c (simplify_using_condition): A condition of the form
8887         (EQ REG CONST) can be used to simply make a substitution.
8888         (simplify_using_initial_values): Keep track of conditions we have seen
8889         and keep using them to simplify new expressions, while applying the
8890         same substitutions to them as to the expression.
8891
8892         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8893         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8894         GEU/LTU reversed.
8895
8896         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8897         changed.  Use this when trying to improve the upper bound.
8898         Generate the comparison by using simplify_gen_relational.
8899
8900         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8901
8902         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8903         functions.
8904         (simplify_using_assignment, simplify_using_initial_values): Call
8905         replace_in_expr to make replacements.  Call replace_single_def_regs
8906         once on the initial version of the expression.
8907
8908 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8909
8910         PR target/27237
8911         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8912
8913 2009-03-31  Richard Guenther  <rguenther@suse.de>
8914
8915         PR middle-end/31029
8916         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8917         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8918
8919 2009-03-31  Richard Guenther  <rguenther@suse.de>
8920
8921         * tree.h (div_if_zero_remainder): Declare.
8922         * fold-const.c (div_if_zero_remainder): Export.
8923         * tree-ssa-forwprop.c
8924         (forward_propagate_addr_into_variable_array_index): Handle
8925         constant array index addition outside of the variable index.
8926
8927 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8928
8929         PR target/39592
8930         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8931         define_splits, floatunssi<mode>2): Require x87 conversions from
8932         DImode to be permitted.
8933
8934 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8935
8936         PR preprocessor/15638
8937         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8938
8939 2009-03-31  Richard Guenther  <rguenther@suse.de>
8940
8941         PR middle-end/23401
8942         PR middle-end/27810
8943         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8944         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8945         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8946         a separate statement.
8947         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8948         (lookup_tmp_var): Likewise.
8949         (is_gimple_formal_tmp_or_call_rhs): Remove.
8950         (is_gimple_reg_or_call_rhs): Rename to ...
8951         (is_gimple_reg_rhs_or_call): ... this.
8952         (is_gimple_mem_or_call_rhs): Rename to ...
8953         (is_gimple_mem_rhs_or_call): ... this.
8954         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8955         DECL_GIMPLE_REG_P only if is_formal is true.
8956         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8957         for non-proper post-modify expression gimplification.
8958         (gimplify_self_mod_expr): For post-modify expressions gimplify
8959         the lvalue to a minimal lvalue.
8960         (rhs_predicate_for): Remove formal temp case.
8961         (gimplify_modify_expr_rhs): Likewise.
8962         (gimplify_addr_expr): Use is_gimple_reg.
8963         (gimplify_expr): Remove formal temp cases.
8964         (gimple_regimplify_operands): Likewise.
8965         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8966         and FILTER_EXPR like constants.
8967         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8968         is_gimple_reg.
8969         (is_gimple_formal_tmp_rhs): Remove.
8970         (is_gimple_reg_rhs): Remove special casing.
8971         (is_gimple_mem_rhs): Fix.
8972         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8973         (is_gimple_formal_tmp_var): Remove.
8974         (is_gimple_formal_tmp_reg): Likewise.
8975         (is_gimple_min_lval): Allow invariant component ref parts.
8976         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8977         is_gimple_formal_tmp_reg): Remove declarations.
8978         * tree-cfg.c (verify_expr): Verify that variables with address
8979         taken do not have DECL_GIMPLE_REG_P set.
8980         * tree-mudflap.c (mf_build_check_statement_for): Use
8981         force_gimple_operand instead of gimplify_expr.
8982
8983 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8984
8985         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8986         schedulable rows to compute_split_row.
8987
8988 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8989
8990         PR target/31635
8991         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8992         OPT_mvrsave.
8993
8994 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8995
8996         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8997         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8998         * configure: Regenerate.
8999         * config.in: Regenerate.
9000         * config/rs6000/rs6000.opt (mtls-markers): Add.
9001         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
9002         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
9003         (tls_ld_aix, tls_ld_sysv): Likewise.
9004         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
9005         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
9006
9007 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
9008
9009         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
9010
9011 2009-03-30  Jan Hubicka  <jh@suse.cz>
9012
9013         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
9014         out of RESX.
9015         (tree_remove_unreachable_handlers): Cleanup EH predecestor
9016         detection and label handling.
9017
9018 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9019
9020         * ira-int.h (ira_allocno): Rename left_conflicts_num to
9021         left_conflicts_size.
9022         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
9023         ALLOCNO_LEFT_CONFLICTS_SIZE.
9024
9025         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
9026         remove_allocno_from_bucket_and_push,
9027         allocno_spill_priority_compare, push_allocnos_to_stack,
9028         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
9029         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
9030         (setup_allocno_left_conflicts_num): Ditto.  Rename to
9031         setup_allocno_left_conflicts_size.
9032         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
9033         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
9034         setup_allocno_left_conflicts_size instead of
9035         setup_allocno_left_conflicts_num.
9036
9037         * ira-build.c (ira_create_allocno): Use
9038         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
9039         ALLOCNO_LEFT_CONFLICTS_NUM.
9040
9041 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9042
9043         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
9044         instead of DF_LR_OUT.
9045
9046         * ira-lives.c (process_bb_node_lives): Ditto.
9047
9048         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
9049         instead of DF_LR_{OUT,IN}.
9050
9051         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
9052
9053         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
9054
9055 2009-03-30  Jan Hubicka  <jh@suse.cz>
9056
9057         * except.c (label_to_region_map): Fix thinko.
9058
9059 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
9060
9061         PR middle-end/38237
9062         * tree.h (tree_find_value): New declaration.
9063         * tree.c (tree_find_value): New function.
9064         * varasm.c (assemble_external): Avoid duplicate entries on lists.
9065
9066 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
9067
9068         PR debug/39563
9069         * c-decl.c (struct c_binding): Add locus field.
9070         (bind): Add locus argument, set locus field from it.
9071         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
9072         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
9073         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
9074         implicitly_declare, undeclared_variable, lookup_label,
9075         declare_label, c_make_fname_decl, c_builtin_function,
9076         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
9077         bind callers.
9078
9079 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9080
9081         PR target/38781
9082         * config/i386/i386.c (classify_argument): Check total size of
9083         structure.
9084
9085 2009-03-30  Martin Jambor  <mjambor@suse.cz>
9086
9087         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
9088         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
9089         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
9090         respectively.
9091
9092         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
9093         seen_variable_array_ref while also traversing a union.
9094
9095         * tree-inline.c (optimize_inline_calls): Do not call
9096         cgraph_node_remove_callees.
9097         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
9098         (pass_remove_cgraph_callee_edges): New variable.
9099         * passes.c (init_optimization_passes): Add
9100         pass_remove_cgraph_callee_edges after early inlining and before all
9101         late intraprocedural passes.
9102
9103         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
9104
9105 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9106
9107         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
9108         Fix typos in names.
9109
9110 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9111
9112         * combine.c (simplify_comparison): Use have_insn_for.
9113         * dojump.c (do_jump): Likewise.
9114
9115 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9116
9117         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
9118         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
9119         sparc_compare_op0 like sparc_compare_emitted used to be handled.
9120         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
9121         instead of sparc_compare_emitted.
9122         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
9123         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
9124         instead of sparc_compare_emitted.
9125
9126 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9127
9128         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
9129         enter/exit cfglayout mode.
9130         (pass_partition_block): Require it.
9131         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
9132         (combine_instructions): Track basic blocks instead of labels.
9133         (update_cfg_for_uncondjump): New.
9134         (try_combine): Use it.  Update jumps after rescanning.
9135         (pass_combine): Require PROP_cfglayout.
9136         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
9137
9138 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9139
9140         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
9141         Provide/destroy PROP_cfglayout respectively.
9142         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
9143         * tree-pass.h (PROP_cfglayout): New.
9144
9145 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9146
9147         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
9148         fold_convert_const_fixed_from_fixed,
9149         fold_convert_const_fixed_from_int,
9150         fold_convert_const_fixed_from_real, fold_negate_const): Do not
9151         set TREE_CONSTANT_OVERFLOW.
9152         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
9153         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
9154
9155 2009-03-30  Ira Rosen  <irar@il.ibm.com>
9156
9157         * tree-vect-loop-manip.c: New file.
9158         * tree-vectorizer.c: Update documentation and included files.
9159         (vect_loop_location): Make extern.
9160         (rename_use_op): Move to tree-vect-loop-manip.c
9161         (rename_variables_in_bb, rename_variables_in_loop,
9162         slpeel_update_phis_for_duplicate_loop,
9163         slpeel_update_phi_nodes_for_guard1,
9164         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
9165         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
9166         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
9167         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
9168         find_loop_location): Likewise.
9169         (new_stmt_vec_info): Move to tree-vect-stmts.c.
9170         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
9171         get_vectype_for_scalar_type, vect_is_simple_use,
9172         supportable_widening_operation, supportable_narrowing_operation):
9173         Likewise.
9174         (bb_in_loop_p): Move to tree-vect-loop.c.
9175         (new_loop_vec_info, destroy_loop_vec_info,
9176         reduction_code_for_scalar_code, report_vect_op,
9177         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
9178         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
9179         (vect_supportable_dr_alignment): Likewise.
9180         * tree-vectorizer.h (tree-data-ref.h): Include.
9181         (vect_loop_location): Declare.
9182         Reorganize function declarations according to the new file structure.
9183         * tree-vect-loop.c: New file.
9184         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
9185         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
9186         * tree-vect-data-refs.c: New file.
9187         * tree-vect-patterns.c (timevar.h): Don't include.
9188         * tree-vect-stmts.c: New file.
9189         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
9190         tree-vect-slp.c, tree-vect-loop.c.
9191         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
9192         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
9193         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
9194         (tree-vect-analyze.o): Remove.
9195         (tree-vect-transform.o): Likewise.
9196         (tree-vect-data-refs.o): Add rule.
9197         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
9198         tree-vect-slp.o): Likewise.
9199         (tree-vect-patterns.o): Remove redundant dependencies.
9200         (tree-vectorizer.o): Likewise.
9201         * tree-vect-slp.c: New file.
9202
9203 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9204
9205         * optc-gen.awk: Warn if an option flag has multiple different
9206         help strings.
9207
9208 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
9209
9210         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
9211         -floop-block): Document dependences on PPL, CLooG and Graphite.
9212
9213 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9214
9215         PR rtl-optimization/323
9216         * c-common.c (c_fully_fold, convert_and_check,
9217         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
9218         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
9219         * c-common.def (EXCESS_PRECISION_EXPR): New.
9220         * c-cppbuiltin.c (builtin_define_float_constants): Define
9221         constants with enough digits for long double.
9222         * c-lex.c (interpret_float): Interpret constant with excess
9223         precision where appropriate.
9224         * c-opts.c (c_common_post_options): Set
9225         flag_excess_precision_cmdline.  Give an error for
9226         -fexcess-precision=standard for C++ for processors where the
9227         option is significant.
9228         * c-parser.c (c_parser_conditional_expression): Handle excess
9229         precision in condition.
9230         * c-typeck.c (convert_arguments): Handle arguments with excess
9231         precision.
9232         (build_unary_op): Move excess precision outside operation.
9233         (build_conditional_expr): Likewise.
9234         (build_compound_expr): Likewise.
9235         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
9236         (build_modify_expr): Handle excess precision in RHS.
9237         (convert_for_assignment): Handle excess precision in converted
9238         value.
9239         (digest_init, output_init_element, process_init_element): Handle
9240         excess precision in initializer.
9241         (c_finish_return): Handle excess precision in return value.
9242         (build_binary_op): Handle excess precision in operands and add
9243         excess precision as needed for operation.
9244         * common.opt (-fexcess-precision=): New option.
9245         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
9246         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
9247         For standard excess precision, output explicit conversion to and
9248         truncation from XFmode.
9249         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
9250         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
9251         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
9252         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
9253         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
9254         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
9255         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
9256         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
9257         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
9258         define_splits, sqrt<mode>2): Disable where appropriate for
9259         standard excess precision.
9260         * convert.c (convert_to_real): Do not shorten arithmetic to type
9261         for which excess precision would be used.
9262         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
9263         * doc/invoke.texi (-fexcess-precision=): Document option.
9264         (-mfpmath=): Correct index entry.
9265         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
9266         flag_excess_precision): New.
9267         * langhooks.c (lhd_post_options): Set
9268         flag_excess_precision_cmdline.
9269         * opts.c (common_handle_option): Handle -fexcess-precision=.
9270         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
9271         init_excess_precision): New.
9272         (lang_dependent_init_target): Call init_excess_precision.
9273         * tree.c (excess_precision_type): New.
9274         * tree.h (excess_precision_type): Declare.
9275
9276 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9277
9278         PR c/35235
9279         * c-typeck.c (build_component_ref): Do not copy qualifiers from
9280         non-lvalue to component.
9281
9282 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9283
9284         PR preprocessor/34695
9285         * Makefile.in (c-opts.o): Depend on c-tree.h.
9286         * c-common.c: Move down include of diagnostic.h.
9287         (done_lexing, c_cpp_error): New.
9288         * c-common.h (done_lexing): Declare.
9289         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
9290         (parse_in).
9291         * c-opts.c: Include c-tree.h.
9292         (c_common_init_options): Set preprocessor error callback.
9293         (c_common_handle_option): Do not set preprocessor
9294         inhibit_warnings, warnings_are_errors, warn_system_headers,
9295         pedantic_errors or inhibit_warnings flags.
9296         (c_common_post_options): Do not check cpp_errors (parse_in).
9297         (c_common_finish): Do not output dependencies if there were
9298         errors.  Do not check return value of cpp_finish.
9299         * c-ppoutput.c (pp_file_change): Set input_location.
9300         * c-tree.h (c_cpp_error): Declare.
9301         * diagnostic.c (diagnostic_set_info_translated): Also initialize
9302         override_column.
9303         (diagnostic_build_prefix): Check override_column.
9304         * diagnostic.h (diagnostic_info): Add override_column field.
9305         (diagnostic_override_column): Define.
9306
9307 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
9308
9309         * c-common.c (c_expand_expr, c_staticp): Remove.
9310         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
9311         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
9312         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
9313         * c-gimplify.c (gimplify_compound_literal_expr,
9314         optimize_compound_literals_in_ctor): Remove.
9315         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
9316         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
9317         * c-semantics.c (emit_local_var): Remove.
9318
9319         * langhooks-def.h (lhd_expand_expr): Remove.
9320         * langhooks.c (lhd_expand_expr): Remove.
9321         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
9322
9323         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
9324         handling from c-semantics.c; don't call into langhook.
9325         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
9326         * gimplify.c (gimplify_compound_literal_expr,
9327         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
9328         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
9329         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
9330         as was done in c-gimplify.c.
9331         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
9332         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
9333         Move from c-common.h.
9334         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
9335
9336         * tree.c (staticp): Do not call langhook.
9337         * langhooks.c (lhd_staticp): Delete.
9338         * langhooks-def.h (lhd_staticp): Delete prototype.
9339         (LANG_HOOKS_STATICP): Delete.
9340         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
9341
9342         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
9343         instead of DECL_STMTs.
9344
9345 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9346
9347         PR c/456
9348         PR c/5675
9349         PR c/19976
9350         PR c/29116
9351         PR c/31871
9352         PR c/35198
9353         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
9354         void_type_node.
9355         (fold_call_expr): Return a NOP_EXPR from folding rather than the
9356         contained expression.
9357         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
9358         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
9359         conditional expressions for C.
9360         (decl_constant_value_for_optimization): Move from
9361         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
9362         whether optimizing and that the expression is a VAR_DECL not of
9363         array type instead of doing such checks in the caller.  Do not
9364         check pedantic.  Call gcc_unreachable for C++.
9365         * c-common.def (C_MAYBE_CONST_EXPR): New.
9366         * c-common.h (c_fully_fold, c_save_expr,
9367         decl_constant_value_for_optimization): New prototypes.
9368         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
9369         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
9370         EXPR_INT_CONST_OPERANDS): Define.
9371         * c-convert.c (convert): Strip nops from expression.
9372         * c-decl.c (groktypename): Take extra parameters expr and
9373         expr_const_operands.  Update call to grokdeclarator.
9374         (start_decl): Update call to grokdeclarator.  Add statement for
9375         expressions used in type of decl.
9376         (grokparm): Update call to grokdeclarator.
9377         (push_parm_decl): Update call to grokdeclarator.
9378         (build_compound_literal): Add parameter non_const and build a
9379         C_MAYBE_COSNT_EXPR if applicable.
9380         (grokdeclarator): Take extra parameters expr and
9381         expr_const_operands.  Track expressions used in declaration
9382         specifiers and declarators.  Fold array sizes and track whether
9383         they are constant expressions and whether they are integer
9384         constant expressions.
9385         (parser_xref_tag): Set expr and expr_const_operands fields in
9386         return value.
9387         (grokfield): Update call to grokdeclarator.
9388         (start_function): Update call to grokdeclarator.
9389         (build_null_declspecs): Set expr and expr_const_operands fields in
9390         return value.
9391         (declspecs_add_type): Handle expressions in typeof specifiers.
9392         * c-parser.c (c_parser_declspecs): Set expr and
9393         expr_const_operands fields for declaration specifiers.
9394         (c_parser_enum_specifier): Likewise.
9395         (c_parser_struct_or_union_specifier): Likewise.
9396         (c_parser_typeof_specifier): Likewise.  Update call to
9397         groktypename.  Fold expression as needed.  Return expressions with
9398         type instead of adding statements.
9399         (c_parser_attributes): Update calls to c_parser_expr_list.
9400         (c_parser_statement_after_labels): Fold expression before passing
9401         to objc_build_throw_stmt.
9402         (c_parser_condition): Fold expression.
9403         (c_parser_asm_operands): Fold expression.
9404         (c_parser_conditional_expression): Use c_save_expr.  Update call
9405         to build_conditional_expr.
9406         (c_parser_alignof_expression): Update call to groktypename.
9407         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
9408         original_code.  Fold expression argument of va_arg.  Create
9409         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
9410         argument to va_arg.  Update calls to groktypename.  Fold array
9411         index for offsetof.  Verify that first argument to
9412         __builtin_choose_expr has integer type.
9413         (c_parser_postfix_expression_after_paren_type): Update calls to
9414         groktypename and build_compound_literal.  Handle expressions with
9415         side effects in type name.
9416         (c_parser_postfix_expression_after_primary): Update call to
9417         c_parser_expr_list.  Set original_code for calls to
9418         __builtin_constant_p.
9419         (c_parser_expr_list): Take extra parameter fold_p.  Fold
9420         expressions if requested.
9421         (c_parser_objc_type_name): Update call to groktypename.
9422         (c_parser_objc_synchronized_statement): Fold expression.
9423         (c_parser_objc_receiver): Fold expression.
9424         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
9425         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
9426         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
9427         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
9428         (struct c_typespec): Add elements expr and expr_const_operands.
9429         (struct c_declspecs): Add elements expr and expr_const_operands.
9430         (groktypename, build_conditional_expr, build_compound_literal):
9431         Update prototypes.
9432         (in_late_binary_op): Declare.
9433         * c-typeck.c (note_integer_operands): New function.
9434         (in_late_binary_op): New variable.
9435         (decl_constant_value_for_broken_optimization): Move to c-common.c
9436         and rename to decl_constant_value_for_optimization.
9437         (default_function_array_conversion): Do not strip nops.
9438         (default_conversion): Do not call
9439         decl_constant_value_for_broken_optimization.
9440         (build_array_ref): Do not fold result.
9441         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
9442         result when operand is a VLA.
9443         (c_expr_sizeof_type): Update call to groktypename.  Handle
9444         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
9445         result when operand names a VLA type.
9446         (build_function_call): Update call to build_compound_literal.
9447         Only fold result for calls to __builtin_* functions.  Strip
9448         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
9449         the function designator.
9450         (convert_arguments): Fold arguments.  Update call to
9451         convert_for_assignment.
9452         (build_unary_op): Handle increment and decrement of
9453         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
9454         decrement earlier.  Fold operand of increment and decrement.
9455         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
9456         built for integer operand.  Wrap returns that are INTEGER_CSTs
9457         without being integer constant expressions or that have integer
9458         constant operands without being INTEGER_CSTs.
9459         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
9460         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
9461         result is an integer constant expression or can be used in
9462         unevaluated parts of one and avoid folding and wrap as
9463         appropriate.  Fold operands before possibly doing -Wsign-compare
9464         warnings.
9465         (build_compound_expr): Wrap result for C99 if operands can be used
9466         in integer constant expressions.
9467         (build_c_cast): Update call to digest_init.  Do not ignore
9468         overflow from casting floating-point constants to integers.  Wrap
9469         results that could be confused with integer constant expressions,
9470         null pointer constants or floating-point constants.
9471         (c_cast_expr): Update call to groktypename.  Handle expressions
9472         included in type name.
9473         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
9474         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
9475         Update calls to convert_for_assignment.
9476         (convert_for_assignment): Take new parameter
9477         null_pointer_constant.  Do not strip nops or call
9478         decl_constant_value_for_broken_optimization.  Set
9479         in_late_binary_op for conversions to boolean.
9480         (store_init_value): Update call to digest_init.
9481         (digest_init): Take new parameter null_pointer_constant.  Do not
9482         call decl_constant_value_for_broken_optimization.  pedwarn for
9483         initializers not constant expressions.  Update calls to
9484         convert_for_assignment.
9485         (constructor_nonconst): New.
9486         (struct constructor_stack): Add nonconst element.
9487         (really_start_incremental_init, push_init_level, pop_init_level):
9488         Handle constructor_nonconst and nonconst element.
9489         (set_init_index): Call constant_expression_warning for array
9490         designators.
9491         (output_init_element): Fold value.  Set constructor_nonconst as
9492         applicable.  pedwarn for initializers not constant expressions.
9493         Update call to digest_init.  Call constant_expression_warning
9494         where constant initializers are required.
9495         (process_init_element): Use c_save_expr.
9496         (c_finish_goto_ptr): Fold expression.
9497         (c_finish_return): Fold return value.  Update call to
9498         convert_for_assignment.
9499         (c_start_case): Fold switch expression.
9500         (c_process_expr_stmt): Fold expression.
9501         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
9502         ensure statement expression is not evaluated in constant expression.
9503         (build_binary_op): Track whether results are integer constant
9504         expressions or may occur in such, disable folding and wrap results
9505         as applicable.  Fold operands for -Wsign-compare warnings unless
9506         in_late_binary_op.
9507         (c_objc_common_truthvalue_conversion): Handle results folded to
9508         integer constants that are not integer constant expressions.
9509         * doc/extend.texi: Document when typeof operands are evaluated,
9510         that condition of __builtin_choose_expr is an integer constant
9511         expression, and more about use of __builtin_constant_p in
9512         initializers.
9513
9514 2009-03-29  Richard Guenther  <rguenther@suse.de>
9515
9516         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
9517         propagate addresses of array references.
9518
9519 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
9520
9521         * regmove.c (perhaps_ends_bb_p): Remove.
9522         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
9523         from INSN and check that the main loop stays within that basic block.
9524         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
9525         (regmove_forward_pass): Split out from regmove_optimize.  Use
9526         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9527         (regmove_backward_pass): Split out from regmove_optimize.  Use
9528         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
9529         (regmove_optimize): Simplify.
9530
9531 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9532
9533         PR target/39545
9534         * config/i386/i386.c (classify_argument): Ignore flexible array
9535         member in struct and warn ABI change.
9536
9537 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9538
9539         * config/i386/i386-protos.h (ix86_agi_dependent): New.
9540
9541         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
9542         (ix86_adjust_cost): Updated.
9543
9544 2009-03-29  Jan Hubicka  <jh@suse.cz>
9545
9546         PR middle-end/28850
9547         * tree-pass.h (pass_cleanup_eh): New function.
9548         (remove_unreachable_regions): Break code handling RTL
9549         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
9550         that can not be reached by runtime.
9551         (can_be_reached_by_runtime): New function.
9552         (label_to_region_map): New function.
9553         (num_eh_regions): New function.
9554         (rtl_remove_unreachable_regions): New function.
9555         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
9556         (remove_eh_region): New function.
9557         * except.h: Include sbitmap and vecprim.
9558         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
9559         num_eh_regions): Declare.
9560         * passes.c (init_optimization_passes): Schedule cleanup_eh.
9561         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
9562         * tree-eh.c (tree_remove_unreachable_handlers): New function.
9563         (tree_empty_eh_handler_p): New function.
9564         (cleanup_empty_eh): New function.
9565         (cleanup_eh): New function.
9566         (pass_cleanup_eh): New function.
9567
9568 2009-03-29  Jan Hubicka  <jh@suse.cz>
9569
9570         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
9571         for removed regions.
9572
9573 2009-03-29  Jan Hubicka  <jh@suse.cz>
9574
9575         * except.c (dump_eh_tree): Dump all datastructures.
9576
9577 2009-03-29  Jan Hubicka  <jh@suse.cz>
9578
9579         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
9580         (duplicate_eh_regions_1): Likewise.
9581         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
9582         vector; call EH verification.
9583         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9584         Be ready for region being removed.
9585
9586 2009-03-29  Jan Hubicka  <jh@suse.cz>
9587
9588         * bitmap.c (bitmap_last_set_bit): New function.
9589         * bitmap.h (bitmap_last_set_bit): Declare.
9590
9591 2009-03-29  David Ayers  <ayers@fsfe.org>
9592
9593         PR objc/27377
9594         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
9595         by calling objc_compare_types and surpress warnings about
9596         incompatible C pointers that are compatible ObjC pointers.
9597
9598 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
9599
9600         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
9601         call initialize_inline_failed.
9602         (initialize_inline_failed): Move it from here ...
9603         * cgraph.c (initialize_inline_failed): ... to here.
9604         (cgraph_create_edge): Call initialize_inline_failed rather than
9605         setting inline_failed directly.
9606
9607 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9608
9609         PR target/32542
9610         * sysv4.opt (msdata): Improve comment.
9611         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
9612         * sysv4.h (SVR4_ASM_SPEC): Likewise.
9613
9614 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9615
9616         PR target/30451
9617         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
9618         load and store attributes.
9619
9620 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9621
9622         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
9623         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
9624         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
9625         * doc/extend.texi (X86 Built-in Functions): Add index entries for
9626         __builtin_infq and __builtin_huge_valq.
9627
9628 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
9629
9630         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
9631         atmega8m1 devices.
9632         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9633         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
9634
9635 2009-03-28  Xinliang David Li  <davidxl@google.com>
9636
9637         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
9638         (do_dbg_cnt): New function.
9639
9640 2009-03-28  Jan Hubicka  <jh@suse.cz>
9641
9642         Merge from pretty-ipa:
9643
9644         2009-03-27  Jan Hubicka  <jh@suse.cz>
9645
9646         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9647         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
9648         * passes.c (function_called_by_processed_nodes_p): New.
9649         * ipa-pure-const.c (check_call): Fix handling of operands.
9650         (analyze_function): Dump debug output for skipped bodies.
9651         (local_pure_const): Use function_called_by_processed_nodes_p.
9652         * dwarf2out.c (reference_to_unused): Use output.
9653         * passes.c (do_per_function_toporder): Likewise.
9654
9655         2008-11-12  Jan Hubicka  <jh@suse.cz>
9656
9657         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
9658         * ipa-pure-const.c (funct_state_d): Add can throw field; make
9659         state_set_in_source enum
9660         (check_decl): Ignore memory tags; do not set fake looping flags;
9661         dump diagnostics.
9662         (check_operand, check_tree, check_rhs_var, check_lhs_var,
9663         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
9664         (check_call, analyze_function): Rewrite.
9665         (check_stmt): New.
9666         (add_new_function): Update call of analyze_function.
9667         (generate_summary): Add call of analyze_function.
9668         (propagate): Propagate can_throw; handle state_set_in_source correctly.
9669         (local_pure_const): New function.
9670         (pass_local_pure_const): New pass.
9671         * ipa-inline.c (inline_transform): Set after_inlining.
9672         * tree-eh.c (stmt_can_throw_external): New.
9673         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
9674         work with aliasing built.
9675         * tree-flow.h (stmt_can_throw_external): New.
9676         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
9677         and local pure/const pass in early and late optimization queue.
9678
9679 2009-03-28  Martin Jambor  <mjambor@suse.cz>
9680
9681         * fold-const.c (get_pointer_modulus_and_residue): New parameter
9682         allow_func_align.
9683         (fold_binary): Allow function decl aligment consideration is the
9684         second argument is integer constant one.
9685         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
9686         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
9687         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
9688
9689 2009-03-28  Jan Hubicka  <jh@suse.cz>
9690
9691         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
9692         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
9693         * function.h (rtl_data): Add nothrow flag.
9694         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
9695         set DECL_NOTHROW for AVAILABLE functions.
9696
9697 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
9698
9699         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
9700         following vector keyword has expansion starting with pixel or bool
9701         keyword, expand vector to __vector and pixel or bool to __pixel or
9702         __bool.
9703
9704         PR c++/39554
9705         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
9706         warn_if_disallowed_function_p): Removed.
9707         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
9708         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
9709         warning_if_disallowed_function_p.
9710         * flags.h (warn_if_disallowed_function_p,
9711         warn_disallowed_functions): Removed.
9712         * common.opt (Wdisallowed-function-list=): Removed.
9713         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
9714
9715 2009-03-28  Richard Guenther  <rguenther@suse.de>
9716
9717         PR tree-optimization/38723
9718         * tree-ssa-pre.c (compute_avail): Add all default definitions to
9719         the entry block.
9720
9721 2009-03-28  Jan Hubicka  <jh@suse.cz>
9722
9723         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
9724         test introduced by my previous patch.
9725
9726 2009-03-28  Richard Guenther  <rguenther@suse.de>
9727
9728         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
9729         the PHIs value undefined.
9730
9731 2009-03-28  Jan Hubicka  <jh@suse.cz>
9732
9733         * tree-pass.h (pass_fixup_cfg): New pass.
9734         * ipa-inline.c (inline_transform): Set
9735         always_inline_functions_inlined/after_inlining.
9736         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
9737         (pass_fixup_cfg): New pass.
9738         * passes.c (init_optimization_passes): Add fixup_cfg.
9739
9740 2009-03-28  Richard Guenther  <rguenther@suse.de>
9741
9742         PR tree-optimization/38458
9743         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
9744         argument use the arguments copy-of value.
9745
9746 2009-03-28  Richard Guenther  <rguenther@suse.de>
9747
9748         PR tree-optimization/38180
9749         * tree-ssa-ccp.c (get_default_value): Simplify.
9750         (likely_value): Likewise.
9751         (surely_varying_stmt_p): Properly handle VOP case.
9752         (ccp_initialize): Likewise.
9753         (ccp_fold): Handle propagating through *&.
9754         (fold_const_aggregate_ref): Also handle decls.
9755
9756 2009-03-28  Jan Hubicka  <jh@suse.cz>
9757
9758         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9759         * cgraph.h (cgraph_node): Likewise.
9760         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
9761         (cgraph_reset_node): Use process flag.
9762         (cgraph_mark_functions_to_output): Likewise.
9763         (cgraph_expand_function): Likewise.
9764         (cgraph_expand_all_functions): Likewise.
9765         (cgraph_output_in_order): Likewise.
9766         * dwarf2out.c (reference_to_unused): Likewise.
9767         * passes.c do_per_function_toporder): Likewise.
9768
9769 2009-03-28  Jan Hubicka  <jh@suse.cz>
9770
9771         Bring from lto-branch:
9772
9773         2008-09-03  Doug Kwan  <dougkwan@google.com>
9774
9775         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
9776         enums instead of reason strings.
9777         * cgraph.c (cgraph_create_edge): Same.
9778         (cgraph_inline_failed_string): New function.
9779         * cgraph.h (cgraph_inline_failed_t): New enum type.
9780         (cgraph_inline_failed_string): New prototype.
9781         (struct cgraph_edge): Change type of INLINED_FAILED from constant
9782         char pointer to cgraph_inline_failed_t.
9783         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
9784         (cgraph_default_inline_p): Ditto.
9785         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
9786         to cgraph_inline_failed_t pointer.
9787         * cif-code.def: New file.
9788         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
9789         reason string.
9790         (cgraph_check_inline_limits): Change type of REASON to pointer to
9791         cgraph_inline_failed_t.  Replace reason strings with enums.
9792         (cgraph_default_inline_p): Ditto.
9793         (cgraph_recursive_inlining_p): Ditto.
9794         (update_caller_keys): Change type of FAILED_REASON to
9795         cgraph_inline_failed_t.
9796         (cgraph_set_inline_failed): Change type of REASON to pointer to
9797         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
9798         convert enums to strings for text output.
9799         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
9800         to be of type cgraph_inline_failed_t.  Replace reason strings with
9801         enums.  Call cgraph_inline_failed_string to covert enums
9802         to strings for text output.
9803         (cgraph_decide_inlining): Replace reason strings with enums.
9804         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
9805         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
9806         for text output.
9807         * tree-inline.c (expand_call_inline): Change type of REASON
9808         to cgraph_inline_failed_t.  Replace reason strings with enums.
9809         Call cgraph_inline_failed_string for text output.
9810         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9811         (cgraph.o): Ditto.
9812
9813 2009-03-28  Jan Hubicka  <jh@suse.cz>
9814
9815         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9816         cgraph_clone_node): Remove master clone handling.
9817         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9818         * cgraph.h (master_clone): Remove.
9819         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9820         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9821         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9822
9823 2009-03-28  Jan Hubicka  <jh@suse.cz>
9824
9825         * cgraph.c (cgraph_function_body_availability): Functions declared
9826         inline are always safe to assume that it is not going to be replaced.
9827
9828 2009-03-28  Richard Guenther  <rguenther@suse.de>
9829
9830         PR tree-optimization/38513
9831         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9832         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9833         EXC_PTR_EXPR and FILTER_EXPR.
9834         (get_ref_from_reference_ops): Likewise.
9835
9836 2009-03-28  Richard Guenther  <rguenther@suse.de>
9837
9838         PR tree-optimization/38968
9839         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9840         Use FLOOR_MOD_EXPR to compute misalignment.
9841
9842 2009-03-28  Richard Guenther  <rguenther@suse.de>
9843
9844         PR tree-optimization/37795
9845         * tree.h (combine_comparisons): Declare.
9846         * fold-const.c (combine_comparisons): Export.
9847         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9848         comparisons.
9849         (ifcombine_iforif): Use combine_comparisons.
9850
9851 2009-03-28  Jan Hubicka  <jh@suse.cz>
9852
9853         * tree-eh.c (inlinable_call_p): New function.
9854         (make_eh_edges): Use it.
9855         (verify_eh_edges): Use it.
9856         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9857         * except.c (reachable_next_level): Add inlinable_function argument
9858         (sjlj_find_directly_reachable_regions): Update.
9859         (add_reachable_handler): Do not set saw_any_handlers.
9860         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9861         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9862         Add new inlinable call parameter.
9863         (can_throw_internal, can_throw_external): Update.
9864         * except.h (can_throw_internal_1, can_throw_external_1,
9865         foreach_reachable_handler): Update declaration.
9866
9867 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9868
9869         * config/arm/t-arm-coff, config/h8300/coff.h,
9870         config/i386/i386-aout.h, config/i386/i386-coff.h,
9871         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9872         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9873         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9874         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9875         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9876         sys-types.h: Remove.
9877         * Makefile.in: Remove protoize and fixproto support and references
9878         in comments.
9879         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9880         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9881         Remove.
9882         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9883         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9884         unprotoize$(exeext).
9885         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9886         (.PHONY): Don't depend on proto.
9887         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9888         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9889         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9890         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9891         build/gen-protos.o, build/scan.o, xsys-protos.h,
9892         build/fix-header$(build_exeext), build/fix-header.o,
9893         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9894         stmp-install-fixproto): Remove.
9895         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9896         SYSCALLS.c or fixproto files.
9897         (install-common): Don't install protoize.
9898         (install-headers-tar, install-headers-cpio, install-headers-cp):
9899         Don't depend on $(STMP_FIXPROTO).
9900         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9901         install fixproto files or write out fixproto settings.
9902         (uninstall): Don't uninstall protoize.
9903         * config.gcc (use_fixproto): Remove.
9904         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9905         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9906         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9907         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9908         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9909         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9910         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9911         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9912         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9913         * config/t-vxworks (STMP_FIXPROTO): Remove.
9914         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9915         STMP_FIXPROTO): Remove.
9916         * config.in, configure: Regenerate.
9917         * crtstuff.c (gid_t, uid_t): Don't undefine.
9918         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9919         (arm-*-coff, arm-*-aout: Remove target entries.
9920         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9921         Remove mention of AIX 4.1.
9922         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9923         * doc/invoke.texi (Running Protoize): Remove.
9924         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9925         (Protoize Caveats): Remove.
9926         * tsystem.h: Update comments on headers assumed to exist.
9927
9928 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9929
9930         * genautomata.c: Add a new year to the copyright.  Add a new
9931         reference.
9932         (struct insn_reserv_decl): Add comments for member bypass_list.
9933         (find_bypass): Remove.
9934         (insert_bypass): New.
9935         (process_decls): Use insert_bypass.
9936         (output_internal_insn_latency_func): Output all bypasses with the
9937         same input insn in one switch case.
9938
9939         * rtl.def (define_bypass): Describe bypass choice.
9940         * doc/md.texi (define_bypass): Ditto.
9941
9942 2009-03-27  Richard Guenther  <rguenther@suse.de>
9943
9944         * gimplify.c (mark_addressable): Export.
9945         * tree-flow.h (mark_addressable): Declare.
9946         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9947         * tree-ssa.c (verify_phi_args): Verify that address taken
9948         variables have TREE_ADDRESSABLE set.
9949
9950 2009-03-27  Richard Guenther  <rguenther@suse.de>
9951
9952         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9953         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9954         Do not mark decls TREE_ADDRESSABLE.
9955         (build_fold_addr_expr): Adjust.
9956         (fold_addr_expr): Remove.
9957         (fold_unary): Use build_fold_addr_expr.
9958         (fold_comparison): Likewise.
9959         (split_address_to_core_and_offset): Likewise.
9960         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9961         TREE_ADDRESSABLE.
9962         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9963         (gimplify_modify_expr_to_memcpy): Mark source and destination
9964         addressable.
9965         * omp-low.c (create_omp_child_function): Mark the object decl
9966         TREE_ADDRESSABLE.
9967         (lower_rec_input_clauses): Mark the var we take the address of
9968         TREE_ADDRESSABLE.
9969         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9970
9971 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9972
9973         PR middle-end/39315
9974         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9975         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9976
9977 2009-03-27  Richard Guenther  <rguenther@suse.de>
9978
9979         PR tree-optimization/39120
9980         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9981         constraints.
9982         (handle_lhs_call): Process return constraints.  Add escape
9983         constraints if necessary.
9984         (handle_const_call): Fill out return constraints.  Make nested
9985         case more precise.  Avoid consttmp if possible.
9986         (handle_pure_call): Fill out return constraints.  Avoid
9987         callused if possible.
9988         (find_func_aliases): Simplify call handling.
9989
9990 2009-03-27  Richard Guenther  <rguenther@suse.de>
9991
9992         PR tree-optimization/39120
9993         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9994         as a representative.
9995         (solve_graph): Do propagate CALLUSED.
9996         (handle_pure_call): Use a scalar constraint from CALLUSED for
9997         the return value.
9998         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9999         solutions.
10000
10001 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10002
10003         PR c/39323
10004         * c-common.c (handle_aligned_attribute): Properly check alignment
10005         overflow.  Use (1U << i) instead of (1 << i).
10006
10007         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
10008
10009         * expr.h (get_mem_align_offset): Updated.
10010
10011         * tree.h (tree_decl_common): Change align to "unsigned int" and
10012         move it before pointer_alias_set.
10013
10014 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10015             Jakub Jelinek  <jakub@redhat.com>
10016
10017         PR target/38034
10018         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
10019         gr_register_operand with gr_reg_or_0_operand.
10020         (cmpxchg_rel_di): Likewise.
10021         (sync_lock_test_and_set<mode>): Likewise.
10022
10023 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10024
10025         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
10026         (true_regnum): Likewise.
10027
10028         * rtlanal.c (subreg_info): Moved to ...
10029         * rtl.h (subreg_info): Here.  New.
10030         (subreg_get_info): New.
10031
10032         * rtlanal.c (subreg_get_info): Make it extern.
10033
10034 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10035
10036         PR target/39472
10037         * config/i386/i386.c (ix86_abi): New.
10038         (override_options): Handle -mabi=.
10039         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
10040         (ix86_call_abi_override): Likewise.
10041         (init_cumulative_args): Likewise.
10042         (function_arg_advance): Likewise.
10043         (function_arg_64): Likewise.
10044         (function_arg): Likewise.
10045         (ix86_pass_by_reference): Likewise.
10046         (ix86_function_value_regno_p): Likewise.
10047         (ix86_build_builtin_va_list_abi): Likewise.
10048         (setup_incoming_varargs_64): Likewise.
10049         (is_va_list_char_pointer): Likewise.
10050         (ix86_init_machine_status): Likewise.
10051         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
10052         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
10053         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
10054         (ix86_function_abi): Make it static and return enum calling_abi.
10055         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
10056         with ix86_abi.
10057         (ix86_fn_abi_va_list): Updated.
10058
10059         * config/i386/i386.h (ix86_abi): New.
10060         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
10061         (CONDITIONAL_REGISTER_USAGE): Likewise.
10062         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
10063         (machine_function): Likewise.
10064
10065         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
10066         with ix86_abi.
10067         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
10068         (STACK_BOUNDARY): Likewise.
10069         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
10070
10071         * config/i386/i386.opt (mabi=): New.
10072
10073         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
10074         return enum calling_abi.
10075         (ix86_function_type_abi): Likewise.
10076         (ix86_function_abi): Removed.
10077
10078         * doc/invoke.texi: Document -mabi= option for x86.
10079
10080 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10081
10082         * builtins.c (real_dconstp): Delete.
10083         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
10084
10085 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
10086             Jakub Jelinek  <jakub@redhat.com>
10087
10088         PR debug/37959
10089         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
10090         (gen_subprogram_die): When a function is explicit, generate the
10091         DW_AT_explicit attribute.
10092         * langhooks.h (struct lang_hooks_for_decls): Add
10093         function_decl_explicit_p langhook.
10094         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
10095         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
10096
10097 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
10098
10099         * builtins.c (fold_builtin_memory_op): Optimize memmove
10100         into memcpy if we can prove source and destination don't overlap.
10101
10102         * tree-inline.c: Include gt-tree-inline.h.
10103         (clone_fn_id_num): New variable.
10104         (clone_function_name): New function.
10105         (tree_function_versioning): Use it.
10106         * Makefile.in (GTFILES): Add tree-inline.c.
10107
10108 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
10109
10110         * BASE-VER: Change to 4.5.0.
10111
10112 2009-03-27  Xinliang David Li  <davidxl@google.com>
10113
10114         PR tree-optimization/39557
10115         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
10116
10117 2009-03-27  Xinliang David Li  <davidxl@google.com>
10118
10119         PR tree-optimization/39548
10120         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
10121         candidate check.
10122
10123 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10124
10125         * c-common.c (pointer_int_sum): Use %wd on return from
10126         tree_low_cst.
10127
10128 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10129
10130         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
10131         on return from tree_low_cst.
10132
10133 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10134
10135         PR c++/36799
10136         * ginclude/stdarg.h (va_copy): Define also for
10137         __GXX_EXPERIMENTAL_CXX0X__.
10138
10139 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10140
10141         PR c++/35652
10142         * builtins.h (c_strlen): Do not warn here.
10143         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
10144         * c-common.c (pointer_int_sum): Take an explicit location.
10145         Warn about offsets out of bounds.
10146         * c-common.h (pointer_int_sum): Adjust declaration.
10147
10148 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10149
10150         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
10151         markup glitch.
10152
10153 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
10154
10155         PR c++/39554
10156         * opts.c (warn_if_disallowed_function_p): Don't assume
10157         get_callee_fndecl must return non-NULL.
10158
10159 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
10160
10161         PR rtl-optimization/39522
10162         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
10163         when reg_reloaded_valid is set.
10164
10165 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10166
10167         * config/spu/divv2df3.c: New file.
10168         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
10169         (DPBIT_FUNCS): Filter out _div_df.
10170
10171 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10172
10173         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
10174         a jump insn, count that jump in the distance to the loop start.
10175
10176 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10177
10178         PR target/39523
10179         * config/sh/sh.c (calc_live_regs): Fix condition for global
10180         registers except PIC_OFFSET_TABLE_REGNUM.
10181
10182 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
10183
10184         PR/39518
10185         * doc/invoke.texi (-mconsole): New.
10186         (-mcygwin): New.
10187         (-mno-cygwin): New.
10188         (-mdll): New.
10189         (-mnop-fun-dllimport): New.
10190         (-mthread): New.
10191         (-mwin32): New.
10192         (-mwindows): New.
10193         (sub section "i386 and x86-64 Windows Options"): New.
10194
10195 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
10196
10197         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
10198         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
10199
10200 2009-03-25  Richard Guenther  <rguenther@suse.de>
10201
10202         PR middle-end/39497
10203         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
10204         of -Wno-error.
10205
10206 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
10207
10208         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
10209         neither of haifa/selective schedulers are working.
10210
10211 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10212
10213         * doc/invoke.texi (Debugging Options): Fix description of
10214         -fno-merge-debug-strings.
10215
10216 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
10217
10218         * config/cris/libgcc.ver: New version-script.
10219         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
10220
10221         * configure.ac <GAS features, nop mnemonic>: Add pattern
10222         crisv32-*-* for "nop".
10223         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
10224         * configure: Regenerate.
10225
10226 2009-03-24  Ira Rosen  <irar@il.ibm.com>
10227
10228         PR tree-optimization/39529
10229         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
10230         mark_sym_for_renaming for the tag copied to the new vector
10231         pointer.
10232
10233 2009-03-24  Arthur Loiret  <aloiret@debian.org>
10234
10235         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
10236         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
10237         EXTRA_SPEC_FUNCTIONS.
10238         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
10239         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
10240         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
10241         -march and -mtune options.
10242
10243 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
10244
10245         * config/m68k/t-rtems: Add m5329 multilib.
10246
10247 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
10248             Jakub Jelinek  <jakub@redhat.com>
10249
10250         PR debug/39524
10251         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
10252         nodes.
10253
10254 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10255
10256         PR c/39495
10257         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
10258         instead of c_parser_expression_conv, if original_code isn't one of the
10259         4 allowed comparison codes, fail.
10260
10261 2009-03-23  Richard Guenther  <rguenther@suse.de>
10262
10263         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
10264         * tree.h (struct tree_type): Likewise.
10265         * reload.h (struct insn_chain): Likewise.
10266         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
10267         * function.h (struct function): Likewise.
10268         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
10269
10270 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10271
10272         PR tree-optimization/39516
10273         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
10274
10275 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
10276
10277         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
10278         should be set true if BITS_PER_WORD of target is bigger than 32
10279
10280 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
10281
10282         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
10283         Translate -B-options to -rpath-link.  Correct existing
10284         rpath-link and conditionalize on !nostdlib.
10285
10286 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10287
10288         * doc/extend.texi (Function Attributes, Variable Attributes):
10289         Fix typos.
10290         * doc/invoke.texi (Debugging Options, Optimize Options)
10291         (i386 and x86-64 Options, MCore Options): Likewise.
10292
10293 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
10294
10295         PR debug/37890
10296         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
10297         it for block local namespace aliases.
10298         (gen_decl_die): Pass context_die to gen_namespace_die.
10299
10300 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10301
10302         PR c/39495
10303         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
10304         minimum or maximum value.
10305
10306 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
10307
10308         * reginfo.c (globalize_reg): Recompute derived reg sets.
10309
10310 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
10311
10312         PR target/39063
10313         * libgcc2.c (mprotect): Do not use signed arguments for
10314         VirtualProtect, use DWORD arguments.  Also fix the 'may
10315         be used uninitialized' warning for the np variable.
10316
10317 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10318
10319         PR target/39496
10320         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
10321         functions using regparm calling conventions when not optimizing.
10322         (ix86_function_sseregparm): Similarly for sseregparm calling
10323         conventions.
10324
10325 2009-03-19  Li Feng  <nemokingdom@gmail.com>
10326
10327         PR middle-end/39500
10328         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
10329         dependence if the first conflict is after niter iterations.
10330
10331 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
10332
10333         PR middle-end/38609
10334         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
10335         functions with dynamic stack-pointer adjustments.
10336
10337 2009-03-19  Ben Elliston  <bje@au.ibm.com>
10338
10339         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
10340         option; change to -msdata=data.
10341
10342 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10343
10344         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
10345         and -fopenmp.
10346
10347 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
10348
10349         PR target/35180
10350         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
10351
10352 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
10353
10354         * doc/invoke.texi (Code Gen Options): Expand discussion of
10355         -fno-common.
10356
10357 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
10358
10359         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
10360         * matrix-reorg.c (struct matrix_info): Likewise.
10361         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
10362         * rtl.h (struct mem_attrs): Likewise.
10363         * df.h (struct df): Likewise.
10364         * tree-data-ref.h (struct data_dependence_relation): Likewise.
10365         * ira-int.h (struct ira_allocno): Likewise.
10366         * df-scan.c (struct df_collection_rec): Likewise.
10367         * ira.c (struct equivalence): Likewise.
10368         * function.c (struct temp_slot): Likewise.
10369         * cfgloop.h (struct loop): Likewise.
10370
10371         PR debug/39485
10372         * function.c (use_register_for_decl): When not optimizing, disregard
10373         register keyword for variables with types containing methods.
10374
10375 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
10376
10377         PR middle-end/39447
10378         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
10379         (is_simple_operand): Call contains_component_ref_p before calling data
10380         reference analysis that would fail on COMPONENT_REFs.
10381
10382         * tree-vrp.c (search_for_addr_array): Fix formatting.
10383
10384 2009-03-18  Richard Guenther  <rguenther@suse.de>
10385
10386         * tree-vect-transform.c (vect_loop_versioning): Fold the
10387         generated comparisons.
10388         * tree-vectorizer.c (set_prologue_iterations): Likewise.
10389         (slpeel_tree_peel_loop_to_edge): Likewise.
10390
10391 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10392
10393         PR middle-end/37805
10394         * opts.c (print_specific_help): In addition to `undocumented',
10395         accept `separate' and `joined' flags if passed alone.  Describe
10396         output by the first matched one of those.
10397         (common_handle_option): Skip over empty strings.
10398         * gcc.c (display_help): Fix help string for `--help='.
10399         * doc/invoke.texi (Option Summary, Overall Options): With
10400         `--help=', classes and qualifiers can both be repeated, but
10401         only the latter can be negated.  One should not pass only
10402         negated qualifiers.  Fix markup and examples.
10403
10404         Revert
10405         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
10406         PR middle-end/37805
10407         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
10408         and -fhelp=separate.
10409
10410 2009-03-17  Jing Yu  <jingyu@google.com>
10411
10412         PR middle-end/39378
10413         * function.h (struct rtl_data): Move is_thunk from here...
10414         (struct function): ...to here.
10415         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
10416         * varasm.c (assemble_start_function): Change is_thunk from crtl to
10417         cfun.
10418         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
10419         cfun.
10420         (alpha_does_function_need_gp, alpha_start_function): Likewise.
10421         (alpha_output_function_end_prologue): Likewise.
10422         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
10423         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
10424         (rs6000_output_function_epilogue): Likewise.
10425         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
10426
10427 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
10428
10429         PR target/39482
10430         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
10431         from different units in a single alternative.
10432         (*truncdfsf_i387): Ditto.
10433         (*truncxfsf2_mixed): Ditto.
10434         (*truncxfdf2_mixed): Ditto.
10435
10436 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
10437
10438         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
10439         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
10440
10441         PR debug/39474
10442         * tree-ssa-live.c (remove_unused_locals): Don't remove local
10443         unused non-artificial variables when not optimizing.
10444
10445         PR debug/39471
10446         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
10447         DW_TAG_imported_module even if decl is IMPORTED_DECL with
10448         NAMESPACE_DECL in its DECL_INITIAL.
10449
10450         PR middle-end/39443
10451         * optabs.c (set_user_assembler_libfunc): New function.
10452         * expr.h (set_user_assembler_libfunc): New prototype.
10453         * c-common.c: Include libfuncs.h.
10454         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
10455         for memcmp, memset, memcpy, memmove and abort.
10456         * Makefile.in (c-common.o): Depend on libfuncs.h.
10457
10458         PR debug/39412
10459         * dwarf2out.c (gen_inlined_enumeration_type_die,
10460         gen_inlined_structure_type_die, gen_inlined_union_type_die,
10461         gen_tagged_type_instantiation_die): Removed.
10462         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
10463         do nothing.
10464
10465 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
10466
10467         PR testsuite/38526
10468         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
10469         its use.
10470         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
10471         (check-parallel-%): Ditto.
10472         (check-consistency): Ditto.
10473
10474 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
10475
10476         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
10477         local variable rhs by NULL_TREE.
10478
10479 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10480
10481         PR target/39477
10482         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
10483
10484 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10485
10486         PR target/39476
10487         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
10488
10489 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10490
10491         PR target/39473
10492         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
10493         for ms->sysv ABI calls only in 64bit mode.
10494
10495         * config/i386/i386.md (untyped_call): Support 32bit.
10496
10497 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
10498
10499         * doc/extend.texi: Replace x86_65 with x86_64.
10500
10501 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
10502
10503         PR tree-optimization/39455
10504         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
10505         mismatches for POINTER_TYPE_P (type).
10506         (number_of_iterations_le): Likewise.
10507
10508 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10509
10510         * config/picochip/picochip.c: Removed profiling support.
10511         * config/picochip/picochip.md: Removed profiling instruction.
10512         * config/picochip/picochip.h: Removed profiling builtin.
10513
10514 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
10515
10516         * doc/install.texi (--with-host-libstdcxx): Document.
10517
10518 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
10519
10520         PR target/34299
10521         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
10522         generate a warning if the function name does not begin with
10523         "__vector" and the function has either the 'signal' or 'interrupt'
10524         attribute, from here to ...
10525         (avr_declare_function_name): ...here. New function.
10526         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
10527         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
10528
10529 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
10530
10531         PR bootstrap/39454
10532         * cse.c (fold_rtx): Don't modify original const_arg1 when
10533         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
10534         separate variable instead.
10535         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
10536         from out of range shift counts.
10537         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
10538
10539 2009-03-13  Catherine Moore  <clm@codesourcery.com>
10540
10541         * config/i386/x-mingw32 (host-mingw32.o): Replace
10542         diagnostic.h with $(DIAGNOSTIC_H).
10543
10544 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
10545
10546         PR target/39431
10547         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
10548         predicate.
10549         * config/i386/sync.md (sync_compare_and_swap<mode>,
10550         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
10551         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10552         into a register.
10553         (sync_double_compare_and_swapdi_pic,
10554         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
10555         cmpxchg8b_pic_memory_operand instead of just memory_operand.
10556
10557 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10558
10559         PR target/39445
10560         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
10561
10562 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10563
10564         PR target/39327
10565         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10566         (avx_addsubv4df3): Likewise.
10567         (*avx_addsubv4sf3): Likewise.
10568         (sse3_addsubv4sf3): Likewise.
10569
10570 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10571
10572         PR target/38824
10573         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
10574
10575 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10576
10577         PR debug/39432
10578         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
10579         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
10580         registers for allocnos created from user-defined variables.
10581
10582 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10583
10584         PR target/39181
10585         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
10586         of non-integer mode as well.
10587
10588 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
10589
10590         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
10591         for functions for which the parameter types are unknown.
10592
10593 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
10594
10595         PR target/39137
10596         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
10597         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
10598         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
10599         * config/i386/i386.c (ix86_local_alignment): For
10600         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10601         long long variables on the stack to avoid dynamic realignment.
10602         Allow the first argument to be a decl rather than type.
10603         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
10604
10605 2009-03-11  Nick Clifton  <nickc@redhat.com>
10606
10607         PR target/5362
10608         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
10609         options.
10610         Add description to mno-lsim option.
10611         * config/mcore/mcore.h: Remove comment about deprecated m4align
10612         option.
10613         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10614         * doc/invoke.texi: Add description of mno-lsim and
10615         mstack-increment options.
10616
10617         * config/fr30/fr30.opt: Document the -mno-lsim option.
10618         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
10619         and -mno-lsim options.
10620
10621 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10622
10623         * fold-const.c (fold_comparison): Only call fold_inf_compare
10624         if the mode supports infinities.
10625
10626 2009-03-11  Jason Merrill  <jason@redhat.com>
10627
10628         PR debug/39086
10629         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10630         end already did.  Notice GIMPLE_CALL modifications of the result.
10631         Don't copy debug information from an ignored decl or a decl from
10632         another function.
10633
10634 2009-03-10  Richard Guenther  <rguenther@suse.de>
10635             Nathan Froyd  <froydnj@codesourcery.com>
10636
10637         PR middle-end/37850
10638         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
10639         (__divMODE3): Likewise.
10640
10641 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
10642
10643         PR tree-optimization/39394
10644         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
10645         DECL_SIZE_UNIT of variable length FIELD_DECLs.
10646
10647 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10648
10649         * recog.c (verfiy_changes): Disallow renaming of hard regs in
10650         inline asms for register asm ("") declarations.
10651
10652 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10653
10654         * fold-const.c (fold_unary): Fix comment.
10655
10656 2009-03-07  Jan Hubicka  <jh@suse.cz>
10657
10658         PR target/39361
10659         * tree-inline.c (setup_one_parameter): Do replacement of const
10660         argument by constant in SSA form.
10661
10662 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10663
10664         PR middle-end/38028
10665         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
10666         determine alignment passed to assign_stack_local.
10667         (assign_parms_unsplit_complex): Likewise.
10668         * except.c (sjlj_build_landing_pads): Likewise.
10669
10670 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10671
10672         PR middle-end/39360
10673         * tree-flow.h (add_referenced_var): Return bool instead of void.
10674         * tree-dfa.c (add_referenced_var): Return result of
10675         referenced_var_check_and_insert call.
10676         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
10677         of referenced_var_check_and_insert.
10678
10679         PR debug/39372
10680         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
10681         (gen_variable_die): Emit DW_AT_location on abstract static variable's
10682         DIE, don't emit it if abstract origin already has it.
10683         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
10684         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
10685
10686 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10687
10688         * genpreds.c (needs_variable): Fix parentheses at variable name
10689         detection.
10690         (write_tm_constrs_h): Indent generated code.
10691
10692 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10693
10694         * doc/extend.texi (Function Attributes): Add documentation
10695         for isr attributes.
10696
10697 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10698
10699         PR debug/39387
10700         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
10701         take locus from its DECL_SOURCE_LOCATION instead of input_location.
10702
10703 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10704
10705         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
10706         the loop as bad.
10707
10708 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
10709
10710         PR debug/39379
10711         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10712         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
10713
10714 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
10715
10716         * config/i386/i386.md (R8_REG, R9_REG): New constants.
10717         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
10718         constants instead of magic numbers.
10719         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
10720         (QI_REG_P): Ditto.
10721         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
10722         (x86_64_ms_abi_int_parameter_registers): Ditto.
10723         (x86_64_int_return_registers): Ditto.
10724         (ix86_maybe_switch_abi): Ditto.
10725         (ix86_expand_call): Ditto for clobbered_registers array.
10726         (ix86_hard_regno_mode_ok): Ditto.
10727         (x86_extended_QIreg_mentioned_p): Ditto.
10728
10729 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
10730
10731         PR tree-optimization/39349
10732         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
10733
10734         * combine.c (gen_lowpart_for_combine): Use omode when generating
10735         clobber.
10736
10737 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
10738
10739         PR rtl-optimization/39235
10740         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
10741
10742 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10743
10744         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10745
10746 2009-03-04  Richard Guenther  <rguenther@suse.de>
10747
10748         PR tree-optimization/39362
10749         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
10750         that occur in abnormal PHIs should be varying.
10751
10752 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10753
10754         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
10755         Extend comments.
10756         (simple_iv):  Take loop as an argument instead of statement.
10757         * tree-scalar-evolution.h (simple_iv): Declaration changed.
10758         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
10759         to simple_iv.
10760         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
10761         Ditto.
10762         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
10763         * matrix-reorg.c (analyze_transpose): Ditto.
10764         * tree-data-ref.c (dr_analyze_innermost): Ditto.
10765         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10766         * tree-predcom.c (ref_at_iteration): Ditto.
10767         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
10768
10769 2009-03-04  Richard Guenther  <rguenther@suse.de>
10770
10771         PR tree-optimization/39358
10772         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
10773         escaped_id and callused_id.
10774         (solve_graph): Likewise.
10775
10776 2009-03-04  Richard Guenther  <rguenther@suse.de>
10777
10778         PR tree-optimization/39339
10779         * tree-sra.c (try_instantiate_multiple_fields): Make it
10780         no longer ICE on the above.
10781
10782 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
10783
10784         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
10785         that fits within Pmode.
10786
10787 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10788
10789         PR middle-end/10109
10790         * tm.texi (LIBCALL_VALUE): Update description.
10791
10792 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10793
10794         PR middle-end/34443
10795         * doc/extend.texi (section): Update description.
10796
10797 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
10798
10799         PR middle-end/39345
10800         * tree-inline.c (remapped_type): New.
10801         (can_be_nonlocal): Call remapped_type instead of remap_type.
10802
10803 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10804
10805         PR fortran/39354
10806         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
10807         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
10808
10809 2009-03-03  Richard Guenther  <rguenther@suse.de>
10810
10811         PR middle-end/39272
10812         * tree.c (tree_nonartificial_location): New function.
10813         * tree.h (tree_nonartificial_location): Declare.
10814         * builtins.c (expand_builtin_memory_chk): Provide location
10815         of the call location for artificial function pieces.
10816         (maybe_emit_chk_warning): Likewise.
10817         (maybe_emit_sprintf_chk_warning): Likewise.
10818         (maybe_emit_free_warning): Likewise.
10819         * expr.c (expand_expr_real_1): Likewise.
10820
10821 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10822
10823         PR tree-optimization/39343
10824         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10825         COMPONENT_REF t has ARRAY_TYPE.
10826
10827 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10828
10829         PR middle-end/39335
10830         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10831         when the type precision of the induction variable should be
10832         larger than the type precision of nit.
10833         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10834         * graphite.c (graphite_loop_normal_form): Same.
10835         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10836
10837 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10838
10839         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10840         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10841         numbers to describe clobbered registers.
10842         (*call_value_0_rex64_ms_sysv): Ditto.
10843         * config/i386/mmx.md (mmx_emms): Ditto.
10844         (mmx_femms): Ditto.
10845
10846 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10847
10848         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10849         of ABI_64.
10850
10851 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10852
10853         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10854         (spu_section_type_flags): New function.
10855
10856 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10857
10858         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10859         reg_class_contents of FLOAT_REGS into a temporary.
10860
10861 2009-03-02  Richard Guenther  <rguenther@suse.de>
10862             Ira Rosen  <irar@il.ibm.com>
10863
10864         PR tree-optimization/39318
10865         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10866         information to the vectorized statement.
10867
10868 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10869
10870         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10871         variable.  Use defined names instead of magic constants for REX SSE
10872         registers.
10873
10874 2009-03-01  Richard Guenther  <rguenther@suse.de>
10875
10876         PR tree-optimization/39331
10877         * omp-low.c (lower_send_shared_vars): Do not receive new
10878         values for the reference of DECL_BY_REFERENCE parms or results.
10879
10880 2009-03-01  Jan Hubicka  <jh@suse.cz>
10881
10882         PR debug/39267
10883         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10884         BLOCK_NONLOCALIZED_VAR): New macros.
10885         (tree_block): Add nonlocalized_vars.
10886         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10887         gen_decl_die): Add origin argument.  Allow generation of die with
10888         origin at hand only.
10889         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10890         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10891         of gen_*.
10892         (gen_block_die): Fix checking for unused blocks.
10893         (process_scope_var): Break out from .... ; work with origins only.
10894         (decls_for_scope) ... here; process nonlocalized list.
10895         (dwarf2out_ignore_block): Look for nonlocalized vars.
10896         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10897         vars.
10898         (dump_scope_block): Dump them.
10899         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10900         (remap_block): Likewise.
10901         (can_be_nonlocal): New predicate.
10902         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10903
10904 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10905
10906         * configure: Regenerate.
10907
10908 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10909
10910         * optc-gen.awk: No need to duplicate option flags twice.
10911         Reuse help texts for duplicate options which do not have any.
10912
10913         * gcc.c (display_help): Document --version.
10914
10915         * gcc.c (main): If print_help_list and verbose_flag, ensure
10916         driver output comes before subprocess output.
10917
10918         * optc-gen.awk: Assign all remaining fields to help string,
10919         space-separated, for multi-line help in *.opt.
10920
10921         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10922         -Wno-pedantic-ms-format is for MinGW targets only.
10923
10924         * doc/options.texi (Option file format): Fix bad indentation,
10925         restoring dropped sentence.
10926
10927 2009-02-28  Jan Hubicka  <jh@suse.cz>
10928
10929         * tree-inline.c (tree_function_versioning): Output debug info.
10930
10931 2009-02-28  Jan Hubicka  <jh@suse.cz>
10932
10933         PR debug/39267
10934         * tree-inline.c (setup_one_parameter): Do not copy propagate
10935         arguments when not optimizing.
10936
10937 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10938
10939         PR target/39327
10940         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10941         (avx_addsubv4df3): Likewise.
10942         (*avx_addsubv4sf3): Likewise.
10943         (sse3_addsubv4sf3): Likewise.
10944         (*avx_addsubv2df3): Likewise.
10945         (sse3_addsubv2df3): Likewise.
10946         (avx_unpckhps256): Correct item selectors.
10947         (avx_unpcklps256): Likewise.
10948         (avx_unpckhpd256): Likewise.
10949         (avx_unpcklpd256): Likewise.
10950
10951 2009-02-28  Jan Hubicka  <jh@suse.cz>
10952
10953         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10954         static vars.
10955         (copy_arguments_for_versioning): If var is declared don't declare it.
10956         (tree_function_versioning): First setup substitutions and then copy
10957         args.
10958
10959 2009-02-27  Jan Hubicka  <jh@suse.cz>
10960
10961         PR debug/39267
10962         * cgraph.h (varpool_output_debug_info): Remove.
10963         * cgraphunit.c (varpool_output_debug_info): Remove.
10964         * dwarf2out.c (deferred_locations_struct): New struct
10965         (deferred_locations): New type.
10966         (deferred_locations_list): New static var.
10967         (deffer_location): New function.
10968         (gen_variable_die): Use it.
10969         (decls_for_scope): Output info on local static vars.
10970         (dwarf2out_finish): Process deferred locations.
10971         * varpool.c (varpool_output_debug_info): Remove.
10972
10973 2009-02-27  Jan Hubicka  <jh@suse.cz>
10974
10975         PR debug/39267
10976         * tree.h (TREE_PROTECTED): Fix comment.
10977         (BLOCK_HANDLER_BLOCK): Remove.
10978         (struct tree_block): Remove handler_block add body_block.
10979         (inlined_function_outer_scope_p): New.
10980         (is_body_block): Remove.
10981         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10982         * dwarf2out.c (is_inlined_entry_point): Remove.
10983         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10984         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10985         code.
10986         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10987         * gimplify.c (gimplify_expr): Gimplify body blocks.
10988         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10989         block with multiple subblocks.
10990         (dump_scope_block): Prettier output; dump more flags and info.
10991         (dump_scope_blocks): New.
10992         (remove_unused_locals): Use dump_scope_blocks.
10993         * tree-flow.h (dump_scope_blocks): Declare.
10994         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10995         * stmt.c (is_body_block): Remove.
10996         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10997         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10998
10999 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
11000
11001         PR middle-end/39308
11002         * graphite.c (graphite_loop_normal_form): Do not call
11003         number_of_iterations_exit from a gcc_assert.
11004
11005 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11006
11007         * config/s390/s390.c (s390_swap_cmp): Look for conditional
11008         jumps if COND is NULL.
11009         (find_cond_jump): New function.
11010         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
11011         * config/s390/s390.md: Remove z10_cobra attribute value.
11012
11013 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
11014
11015         * config/alpha/alpha.h (alpha_expand_mov): Return false if
11016         force_const_mem returns NULL_RTX.
11017
11018 2009-02-26  Jan Hubicka  <jh@suse.cz>
11019
11020         PR debug/39267
11021         * cgraph.h (varpool_output_debug_info): Remove.
11022         * cgraphunit.c (varpool_output_debug_info): Remove.
11023         * dwarf2out.c (deferred_locations_struct): New struct
11024         (deferred_locations): New type.
11025         (deferred_locations_list): New static var.
11026         (deffer_location): New function.
11027         (gen_variable_die): Use it.
11028         (decls_for_scope): Output info on local static vars.
11029         (dwarf2out_finish): Process deferred locations.
11030         * varpool.c (varpool_output_debug_info): Remove.
11031
11032 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
11033
11034         PR rtl-optimization/39241
11035         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
11036         to subreg_offset_representable_p.
11037
11038 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11039
11040         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
11041         execute function prototype.  Get f and nregs from max_reg_num
11042         and get_insns.  Remove the first backward pass as it's dead,
11043         guard the forward pass by flag_expensive_optimizations.
11044         (rest_of_handle_regmove): Delete.
11045         (pass_regmove): Replace it with regmove_optimize.
11046
11047 2009-02-25  Martin Jambor  <mjambor@suse.cz>
11048
11049         PR tree-optimization/39259
11050         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
11051         calls_alloca function flags.
11052         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
11053         calls are detected.
11054
11055 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11056
11057         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
11058         flags_set_1_rtx, flags_set_1_set): Delete.
11059         (regmove_optimize): Do not call mark_flags_life_zones.
11060
11061 2009-02-24  Julian Brown  <julian@codesourcery.com>
11062
11063         PR target/35965
11064         * config/arm/arm.c (require_pic_register): Only set
11065         cfun->machine->pic_reg once per function.
11066
11067 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
11068
11069         * doc/invoke.texi (Link Options): Document an easier way to pass
11070         options that take arguments to the GNU linker using -Xlinker and -Wl.
11071
11072 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
11073
11074         PR target/33785
11075         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
11076
11077 2009-02-24  Richard Guenther  <rguenther@suse.de>
11078
11079         PR debug/39285
11080         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
11081
11082 2009-02-24  Richard Guenther  <rguenther@suse.de>
11083             Zdenek Dvorak  <ook@ucw.cz>
11084
11085         PR tree-optimization/39233
11086         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
11087         from converting them to a generic type.
11088
11089 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
11090
11091         PR tree-optimization/39260
11092         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
11093         contains a condition with a real type.
11094         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
11095
11096 2009-02-23  Jason Merrill  <jason@redhat.com>
11097
11098         PR c++/38880
11099         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
11100         narrowing_initializer_constant_valid_p.
11101         (narrowing_initializer_constant_valid_p): Don't return
11102         null_pointer_node for adding a pointer to itself.
11103
11104 2009-02-23  Jan Hubicka  <jh@suse.cz>
11105
11106         PR c/12245
11107         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
11108         resizing.
11109
11110 2009-02-23  Jan Hubicka  <jh@suse.cz>
11111
11112         PR tree-optimization/37709
11113         * tree.c (block_ultimate_origin): Move here from dwarf2out.
11114         * tree.h (block_ultimate_origin): Declare.
11115         * dwarf2out.c (block_ultimate_origin): Move to tree.c
11116         * tree-ssa-live.c (remove_unused_scope_block_p):
11117         Eliminate blocks containig no instructions nor live variables nor
11118         nested blocks.
11119         (dump_scope_block): New function.
11120         (remove_unused_locals): Enable removal of dead blocks by default;
11121         enable dumping at TDF_DETAILS.
11122
11123 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11124
11125         * config/i386/i386.c (classify_argument): Don't allow COImode
11126         and OImode.
11127         (function_arg_advance_32): Don't allow OImode.
11128         (function_arg_32): Likewise.
11129         (function_value_32): Likewise.
11130         (return_in_memory_32): Likewise.
11131         (function_arg_64): Remove OImode comment.
11132
11133 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11134
11135         PR target/39261
11136         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11137         ix86_expand_vector_set for V4DImode in 64bit mode only.
11138         (ix86_expand_vector_init_one_var): Likewise.
11139
11140 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
11141
11142         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
11143
11144 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11145
11146         PR bootstrap/39257
11147         * loop-iv.c: Revert last change.
11148         * emit-rtl.c: Likewise.
11149
11150 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11151
11152         PR target/39256
11153         * config/i386/i386.c (type_natural_mode): Remove an extra
11154         space in the warning message.
11155         (function_value_32): Handle 32-byte vector modes.
11156         (return_in_memory_32): Likewise.
11157
11158 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11159
11160         * loop-iv.c (truncate_value): New function.
11161         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
11162         of lowpart_subreg.
11163         (lowpart_subreg): Move to...
11164         * emit-rtl.c: ...here.
11165
11166 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
11167
11168         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
11169         accidental and undocumented change at revision 140860.
11170
11171 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
11172
11173         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
11174         take gimple_seq * arguments.
11175         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
11176         types_compatible_p langhook.
11177
11178 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
11179             Joseph Myers  <joseph@codesourcery.com>
11180
11181         * config/arm/arm.c (arm_builtin_va_list): New function.
11182         (arm_expand_builtin_va_start): Likewise.
11183         (arm_gimplify_va_arg_expr): Likewise.
11184         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
11185         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
11186         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
11187         (va_list_type): New variable.
11188         (arm_mangle_type): Mangle va_list_type appropriately.
11189
11190 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11191
11192         PR middle-end/39157
11193         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
11194         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
11195         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
11196         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
11197         parameter to 1000 for -O1 by default.
11198         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
11199         parameter.
11200         * loop-invariant.c: Include params.h.
11201         (move_loop_invariants): Don't call move_single_loop_invariants on
11202         very large loops.
11203
11204 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
11205
11206         * calls.c (emit_library_call_value_1): Use slot_offset instead of
11207         offset when calculating bounds for indexing stack_usage_map.  Fixes
11208         a buffer overflow with certain target setups.
11209
11210 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11211
11212         PR target/39240
11213         * calls.c (expand_call): Clear try_tail_call if caller and callee
11214         disagree in promotion of function return value.
11215
11216 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
11217
11218         PR target/39175
11219         * c-common.c (c_determine_visibility): If visibility changed and
11220         DECL_RTL has been already set, call make_decl_rtl to update symbol
11221         flags.
11222
11223 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11224
11225         PR c++/39188
11226         * varasm.c (assemble_variable): Don't check DECL_NAME when
11227         globalizing a variable.
11228
11229 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
11230
11231         PR c/38483
11232         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
11233         expression before any __builtin_trap call.
11234         * c-typeck.c (build_function_call): Convert and check function
11235         arguments before generating a call to a trap.  Evaluate the
11236         function arguments before the trap.
11237
11238 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
11239
11240         PR target/39228
11241         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
11242         (UNSPEC_FXAM_MEM): New unspec.
11243         (fxam<mode>2_i387_with_temp): New insn and split pattern.
11244         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
11245         memory using fxam<mode>2_i387_with_temp to remove excess precision.
11246
11247 2009-02-19  Richard Guenther  <rguenther@suse.de>
11248
11249         PR tree-optimization/39207
11250         PR tree-optimization/39074
11251         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
11252         storedanything_tree): New.
11253         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
11254         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
11255         (build_succ_graph): Add edges from STOREDANYTHING to all
11256         non-direct nodes.
11257         (init_base_vars): Initialize STOREDANYTHING.
11258         (compute_points_to_sets): Free substitution info after
11259         building the succ graph.
11260         (ipa_pta_execute): Likewise.
11261
11262         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
11263         field.
11264         (do_ds_constraint): Do not add to special var or non-pointer
11265         field solutions.
11266         (type_could_have_pointers): Split out from ...
11267         (could_have_pointers): ... here.  For arrays use the element type.
11268         (create_variable_info_for): Initialize may_have_pointers.
11269         (new_var_info): Likewise.
11270         (handle_lhs_call): Make the HEAP variable unknown-sized.
11271         (intra_create_variable_infos): Use a type with pointers for
11272         PARM_NOALIAS, make it unknown-sized.
11273
11274 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11275
11276         PR target/39224
11277         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
11278
11279 2009-02-18  Jason Merrill  <jason@redhat.com>
11280
11281         PR target/39179
11282         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
11283         value if DECL_EXTERNAL.
11284         * tree-sra.c (sra_walk_gimple_assign): Likewise.
11285         * target.h (gcc_target::binds_local_p): Clarify "module".
11286         * tree.h (TREE_PUBLIC): Clarify "module".
11287
11288 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
11289
11290         PR target/38891
11291         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
11292         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
11293
11294 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
11295
11296         PR target/39082
11297         * c.opt (Wabi): Support C and ObjC.
11298         (Wpsabi): New.
11299
11300         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
11301
11302         * config/i386/i386.c (classify_argument): Warn once about the ABI
11303         change when passing union with long double.
11304
11305         * doc/invoke.texi: Update -Wabi for warning psABI changes.
11306
11307 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
11308
11309         PR c/35447
11310         * c-parser.c (c_parser_compound_statement): Always enter and leave
11311         a scope.
11312
11313 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11314
11315         PR target/34587
11316         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
11317
11318 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
11319
11320         PR tree-optimization/36922
11321         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
11322         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
11323         Likewise.
11324
11325 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11326
11327         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
11328         to 0 for EABI64.
11329
11330 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11331
11332         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
11333
11334 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11335
11336         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
11337         tree sharing.
11338
11339 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
11340             Richard Sandiford  <rdsandiford@googlemail.com>
11341
11342         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
11343         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
11344         (loongson_biadd): ...this.
11345
11346 2009-02-17  Richard Guenther  <rguenther@suse.de>
11347
11348         PR tree-optimization/39202
11349         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
11350         a var make sure to follow existing collapses.
11351
11352 2009-02-17  Richard Guenther  <rguenther@suse.de>
11353
11354         PR middle-end/39214
11355         * langhooks.c (lhd_print_error_function): Check for NULL block.
11356
11357 2009-02-17  Richard Guenther  <rguenther@suse.de>
11358
11359         PR tree-optimization/39204
11360         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
11361         of the PHI arg.
11362
11363 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
11364
11365         * config/soft-fp/double.h: Update from glibc CVS.
11366
11367 2009-02-17  Richard Guenther  <rguenther@suse.de>
11368
11369         PR tree-optimization/39207
11370         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
11371         strict-aliasing warnings for pointers pointing to NULL.
11372
11373 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
11374
11375         PR c/35446
11376         * c-parser.c (c_parser_braced_init): Call pop_init_level when
11377         skipping until next close brace.
11378
11379 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
11380
11381         PR target/37049
11382         * config/i386/i386.c (ix86_expand_push): Set memory alignment
11383         to function argument boundary.
11384
11385 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11386
11387         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
11388         in the lea_add. Reload eventually constraints it properly.
11389         * config/picochip/constraints.md: Remove the target constraint
11390         "b", since it is not needed anymore.
11391
11392 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
11393
11394         * gthr-dce.h: Uglify function parameter and local variable names.
11395         * gthr-gnat.h: Likewise.
11396         * gthr-mipssde.h: Likewise.
11397         * gthr-nks.h: Likewise.
11398         * gthr-posix95.h: Likewise.
11399         * gthr-posix.h: Likewise.
11400         * gthr-rtems.h: Likewise.
11401         * gthr-single.h: Likewise.
11402         * gthr-solaris.h: Likewise.
11403         * gthr-tpf.h: Likewise.
11404         * gthr-vxworks.h: Likewise.
11405         * gthr-win32.h: Likewise.
11406
11407 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
11408
11409         PR target/39196
11410         * config/i386/i386.md: Restrict the new peephole2 to move
11411         between MMX/SSE registers.
11412
11413 2009-02-15  Richard Guenther  <rguenther@suse.de>
11414
11415         Revert
11416         2009-02-13  Richard Guenther  <rguenther@suse.de>
11417
11418         * configure.ac: Enable LFS.
11419         * configure: Re-generate.
11420         * config.in: Likewise.
11421
11422 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11423
11424         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
11425         spu_srqwbyte, spu_srqwbytebc): Define.
11426         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
11427         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
11428         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
11429         "shrqby_<mode>"): New insn-and-split patterns.
11430         * config/spu/spu.c (expand_builtin_args): Determine and return
11431         number of operands using spu_builtin_description data.
11432         (spu_expand_builtin_1): Use it.
11433
11434 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
11435
11436         PR target/38056
11437         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
11438         TARGET_CONST_GP.
11439
11440 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11441
11442         PR target/39149
11443         * config/i386/i386.c (override_options): Correct warning
11444         messages for -malign-loops, -malign-jumps and -malign-functions.
11445
11446 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11447
11448         PR target/39152
11449         * config/i386/i386.md: Restrict the new peephole2 to move
11450         between the general purpose registers.
11451
11452 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11453
11454         PR target/39162
11455         * config/i386/i386.c (type_natural_mode): Add a new argument.
11456         Return the original mode and warn ABI change if vector size is 32byte.
11457         (function_arg_advance): Updated.
11458         (function_arg): Likewise.
11459         (ix86_function_value): Likewise.
11460         (ix86_return_in_memory): Likewise.
11461         (ix86_sol10_return_in_memory): Likewise.
11462         (ix86_gimplify_va_arg): Likewise.
11463         (function_arg_32): Don't warn ABX ABI change here.
11464         (function_arg_64): Likewise.
11465
11466 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
11467
11468         * loop-iv.c (implies_p): In the final case, test that operands 0
11469         of the two comparisons match.
11470
11471         * config/bfin/bfin.c (find_prev_insn_start): New function.
11472         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
11473         (find_next_insn_start): Move.
11474
11475 2009-02-13  Richard Guenther  <rguenther@suse.de>
11476
11477         * configure.ac: Enable LFS.
11478         * configure: Re-generate.
11479         * config.in: Likewise.
11480
11481 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
11482
11483         PR c/35444
11484         * c-parser.c (c_parser_parms_list_declarator): Discard pending
11485         sizes on syntax error after some arguments have been parsed.
11486
11487 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11488
11489         * doc/invoke.texi (-fira): Remove.
11490
11491 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11492
11493         * caller-save.c: Replace regclass.c with reginfo.c in comments.
11494         * recog.c: Likewise.
11495         * rtl.h: Likewise.
11496
11497 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
11498
11499         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
11500         (umul_ppmm): Likewise.
11501         (count_leading_zeros): Likewise.
11502         (count_trailing_zeros): Likewise.
11503         (UMUL_TIME): Likewise.
11504
11505 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11506
11507         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
11508         soft-fp/t-softfp to tmake_file.
11509
11510         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
11511         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
11512         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
11513         IA64_BUILTIN_INFQ]: New.
11514         (ia64_init_builtins): Initialize __builtin_infq,
11515         __builtin_fabsq and __builtin_copysignq if not HPUX.
11516         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
11517         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
11518
11519         * config/ia64/lib1funcs.asm (__divtf3): Define only if
11520         SHARED is defined.
11521         (__fixtfti): Likewise.
11522         (__fixunstfti): Likewise.
11523         (__floattitf): Likewise.
11524
11525         * config/ia64/libgcc-glibc.ver: New.
11526         * config/ia64/t-fprules-softfp: Likewise.
11527         * config/ia64/sfp-machine.h: Likewise.
11528
11529         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
11530         (LIBGCC2_TF_CEXT): Likewise.
11531         (TF_SIZE): Likewise.
11532         (TARGET_INIT_LIBFUNCS): Likewise.
11533
11534         * config/ia64/t-glibc (SHLINB_MAPFILES):
11535         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
11536
11537 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11538
11539         * config/i386/i386.c (construct_container): Rewrite processing
11540         BLKmode with X86_64_SSE_CLASS.
11541
11542 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
11543
11544         PR target/39152
11545         * config/i386/i386.md: Replace simplify_replace_rtx with
11546         replace_rtx in the new peephole2.
11547
11548 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
11549
11550         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
11551         loop unrolling do not happen at -O2.
11552
11553 2009-02-12  Michael Matz  <matz@suse.de>
11554
11555         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
11556
11557 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11558
11559         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
11560         for -g3.
11561
11562 2009-02-12  Ben Elliston  <bje@au.ibm.com>
11563
11564         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
11565         patterns when updating the back chain.  Missed in the 2009-02-10
11566         change.
11567
11568 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
11569
11570         * doc/extend.texi (Decimal Floating Types): Update identifier of
11571         draft TR and list of missing support.
11572
11573 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
11574
11575         PR middle-end/39154
11576         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
11577         bit to variable length decl's flags, add it also to its
11578         pointer replacement variable.
11579
11580 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
11581             Jakub Jelinek  <jakub@redhat.com>
11582
11583         PR target/39118
11584         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
11585         (memory_blockage): New expander.
11586         (*memory_blockage): New insn pattern.
11587         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
11588         instead of general blockage at the end of function prologue when
11589         frame pointer is used to access red zone area.  Do not emit blockage
11590         when profiling, it is emitted in generic code.
11591         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
11592         function epilogue when frame pointer is used to access red zone area.
11593
11594 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
11595
11596         PR target/38824
11597         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
11598         by arithmetic with memory operands.
11599         * config/i386/predicates.md (commutative_operator): New.
11600
11601 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
11602
11603         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
11604         bulleted lists.
11605
11606 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11607
11608         * alias.h (record_alias_subset): Declare.
11609         * alias.c (record_alias_subset): Make global.
11610
11611 2009-02-10  Nick Clifton  <nickc@redhat.com>
11612
11613         * tree-parloops.c: Change license to GPLv3.
11614         * ipa-struct-reorg.c: Change license to GPLv3.
11615         * ipa-struct-reorg.h: Change license to GPLv3.
11616
11617 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
11618
11619         PR c/39084
11620         * c-decl.c (start_struct): Return NULL on error.
11621
11622 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
11623
11624         PR middle-end/39124
11625         * cfgloopmanip.c (remove_path): Call remove_bbs after
11626         cancel_loop_tree, not before it.
11627
11628         PR target/39139
11629         * function.h (struct function): Add has_local_explicit_reg_vars bit.
11630         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
11631         VAR_DECLs were seen.
11632         * tree-ssa-live.c (remove_unused_locals): Recompute
11633         cfun->has_local_explicit_reg_vars.
11634         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
11635         copies or clearings if cfun->has_local_explicit_reg_vars.
11636
11637 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
11638
11639         PR target/39118
11640         * config/i386/i386.c (expand_prologue): Emit blockage at the end
11641         of function prologue when frame pointer is used to access
11642         red zone area.
11643
11644 2009-02-10  Richard Guenther  <rguenther@suse.de>
11645
11646         PR middle-end/39127
11647         * gimplify.c (gimple_regimplify_operands): Always look if
11648         we need to create a temporary.
11649
11650 2009-02-10  Richard Guenther  <rguenther@suse.de>
11651
11652         PR tree-optimization/39132
11653         * tree-loop-distribution.c (todo): New global var.
11654         (generate_memset_zero): Trigger TODO_rebuild_alias.
11655         (tree_loop_distribution): Return todo.
11656
11657 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
11658
11659         PR target/39119
11660         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
11661         (x86_64_reg_class_name): Removed.
11662         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
11663         first one isn't X86_64_SSE_CLASS or any other ones aren't
11664         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
11665         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
11666         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
11667         and 3 X86_64_SSEUP_CLASS.
11668         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
11669         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
11670
11671 2009-02-10  Ben Elliston  <bje@au.ibm.com>
11672
11673         * config/rs6000/rs6000.md (allocate_stack): Always use an update
11674         form instruction to update the stack back chain word, even if the
11675         user has disabled the generation of update instructions.
11676         (movdi_<mode>_update_stack): New.
11677         (movsi_update_stack): Likewise.
11678         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
11679         always use an update form instruction to update the stack back
11680         chain word.
11681
11682 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
11683
11684         PR middle-end/38953
11685         * graphite.c (if_region_set_false_region): After moving a region in
11686         the false branch of a condition, remove the empty dummy basic block.
11687         (gloog): Remove wrong fix for PR38953.
11688
11689 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11690
11691         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
11692         generation due to implicit sign extension.
11693
11694 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
11695
11696         PR middle-end/38981
11697         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
11698         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
11699
11700 2009-02-09  Richard Guenther  <rguenther@suse.de>
11701
11702         PR middle-end/35202
11703         * convert.c (convert_to_real): Disable (float)fn((double)x)
11704         to fnf(x) conversion if errno differences may occur and
11705         -fmath-errno is set.
11706
11707 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
11708
11709         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
11710         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11711         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11712
11713 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11714
11715         PR c/35434
11716         * c-common.c (handle_alias_attribute): Disallow attribute for
11717         anything not a FUNCTION_DECL or VAR_DECL.
11718
11719 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
11720
11721         PR c/39035
11722         * real.c (do_compare): Special-case compare of zero against
11723         decimal float value.
11724
11725 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11726
11727         PR c/36432
11728         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
11729         as indicating flexible array members unless the field itself is
11730         being declarared as the incomplete array.
11731
11732 2009-02-06  Jan Hubicka  <jh@suse.cz>
11733
11734         PR tree-optimization/38844
11735         * ipa-inline.c (try_inline): Stop inlining recursion when edge
11736         is already inlined.
11737
11738 2009-02-06  Richard Guenther  <rguenther@suse.de>
11739
11740         PR middle-end/38977
11741         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
11742         fork because we may expand it as __gcov_fork.
11743
11744 2009-02-06  Nick Clifton  <nickc@redhat.com>
11745
11746         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
11747
11748 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
11749
11750         PR tree-optimization/35659
11751         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
11752         vn_phi_eq): Shortcut if hashcode does not match.
11753         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
11754         NULL operands.
11755         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
11756         and avoid iterative_hash_expr.
11757         (FOR_EACH_VALUE_ID_IN_SET): New.
11758         (value_id_compare): Remove.
11759         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
11760         sort expressions by value id.
11761
11762 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
11763
11764         PR target/38991
11765         * config/sh/predicates.md (general_movsrc_operand): Don't check
11766         the subreg of system registers here.
11767
11768 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
11769
11770         PR c++/39106
11771         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
11772         on the copied decl.
11773
11774 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
11775
11776         PR rtl-optimization/39110
11777         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
11778         addresses, not aligned ones.
11779
11780 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
11781             Richard Guenther  <rguenther@suse.de>
11782
11783         PR tree-optimization/39100
11784         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
11785         comment says and add edges.
11786
11787 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
11788
11789         PR c/35435
11790         * c-common.c (handle_tls_model_attribute): Ignore attribute for
11791         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
11792
11793 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
11794
11795         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
11796         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
11797         register_bb_in_sese, new_sese, free_sese): Moved.
11798         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
11799         outermost_loop_in_scop, build_scop_iteration_domain,
11800         expand_scalar_variables_ssa_name, get_vdef_before_scop,
11801         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
11802         Use loop_in_sese_p instead of loop_in_scop_p.
11803         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
11804         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
11805         (scopdet_basic_block_info): Fix bug in scop detection.
11806         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
11807         eq_loop_to_cloog_loop): Remove.
11808         (nb_loops_around_loop_in_scop, nb_loop
11809         ref_nb_loops): Moved here...
11810         * graphite.h (ref_nb_loops): ... from here.
11811         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11812         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11813         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11814         * testsuite/gcc.dg/graphite/scop-19.c: New
11815
11816 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11817             Hans-Peter Nilsson  <hp@axis.com>
11818
11819         PR rtl-optimization/37889
11820         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11821         Move offset handling from PLUS to before the switch.  Use new
11822         arguments when considering SYMBOL_REFs too.
11823         (rtx_addr_can_trap_p): Pass dummy offset and size.
11824         (enum may_trap_p_flags): Remove.
11825         (may_trap_p_1): Pass size from MEM_SIZE.
11826
11827         PR rtl-optimization/38921
11828         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11829         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11830         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11831         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11832
11833 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11834
11835         AVX Programming Reference (January, 2009)
11836         * config/i386/sse.md (*vpclmulqdq): New.
11837
11838 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11839
11840         PR tree-optimization/38977
11841         PR gcov-profile/38292
11842         * calls.c (special_function_p): Disregard __builtin_ prefix.
11843
11844 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11845
11846         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11847         non-indexable addresses even before reload.
11848
11849 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11850
11851         PR c/29129
11852         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11853         as having variable size.  Do not give an error for unnamed
11854         parameters with [*] declarators.  Give a warning for type names
11855         with [*] declarators and mark them as variable size.
11856         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11857         for sizeof applied to [*] type names.
11858
11859 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11860
11861         PR C++/36607
11862         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11863
11864 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11865
11866         * gcc.c (process_command): Update copyright notice dates.
11867         * gcov.c (print_version): Likewise.
11868         * gcov-dump.c (print_version): Likewise.
11869         * mips-tfile.c (main): Likewise.
11870         * mips-tdump.c (main): Likewise.
11871
11872 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11873
11874         PR c/35433
11875         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11876         for composite type involving a zero-length array type.
11877
11878 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11879
11880         PR target/35318
11881         * function.c (match_asm_constraints_1): Skip over
11882         initial optional % in the constraint.
11883
11884         PR inline-asm/39059
11885         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11886         supported, don't accept FIXED_CSTs.
11887         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11888         and _Sat is used without _Fract/_Accum.  Set specs->type to
11889         integer_type_node for cts_fract/cts_accum if fixed point is not
11890         supported.
11891
11892 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11893
11894         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11895
11896 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11897
11898         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11899         (ABI_HAS_64BIT_SYMBOLS): Use it.
11900         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11901
11902 2009-02-02  Paul Brook  <paul@codesourcery.com>
11903
11904         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11905
11906 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11907
11908         PR inline-asm/39058
11909         * recog.h (asm_operand_ok): Add constraints argument.
11910         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11911         recurse on matching constraint.
11912         (check_asm_operands): Pass constraints as 3rd argument to
11913         asm_operand_ok.  Don't look up matching constraint here.
11914         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11915         to asm_operand_ok.
11916
11917 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11918
11919         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11920         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11921
11922 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11923
11924         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11925         information.  Remove some obsolete information.  Reorganize.
11926
11927         * config/pa/fptr.c: Revert license to GPL 2.
11928         * config/pa/milli64.S: Likewise.
11929
11930 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11931
11932         PR target/38904
11933         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11934         LIBRARY name in, instead of hard-coding it.
11935         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11936         extra target make frag to tmake_files according to EH model.
11937         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11938         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11939         frags that define makefile variable EH_MODEL appropriately.
11940         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11941         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11942         to "-sjlj" according to type of EH configured.
11943         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11944         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11945         to "_sjlj" according to type of EH configured.
11946         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11947         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11948         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11949         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11950         string value of "pe_dll" command-line option.
11951         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11952         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11953         (SHLIB_IMPLIB):  Override t-cygming default.
11954         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11955         string value of "pe_dll" command-line option.
11956
11957 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11958
11959         PR target/38952
11960         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11961         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11962
11963 2009-01-31  Richard Guenther  <rguenther@suse.de>
11964
11965         PR tree-optimization/38937
11966         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11967         computing the transitive closure.
11968
11969 2009-01-30  Richard Guenther  <rguenther@suse.de>
11970
11971         PR tree-optimization/39041
11972         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11973         Propagate variable indices only if the types match for this stmt.
11974
11975 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11976
11977         PR target/39013
11978         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11979         inline but never defined.
11980
11981 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11982
11983         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11984         (*insv_h_di_reg_extimm): New insn.
11985         (*insv_l<mode>_reg_extimm): New insn.
11986
11987 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11988
11989         * config/picochip/picochip.c (flag_conserve_stack): set
11990         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11991         fconserve-stack. Reduce call-overhead used by inliner.
11992
11993 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11994
11995         PR/38157
11996         * common.opt (flag_conserve_stack): Initialised to zero.
11997
11998 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11999
12000         PR/39002
12001         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
12002         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
12003         method.
12004
12005 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
12006
12007         * ira-color.c (allocno_reload_assign): Update comments.
12008         * regmove.c (regmove_optimize): Likewise.
12009
12010         * ra.h: Removed.
12011
12012 2009-01-29  Robert Millan  <rmh@aybabtu.com>
12013
12014         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
12015         * config/i386/kopensolaris-gnu.h: New file.  Undefine
12016         `MD_UNWIND_SUPPORT'.
12017         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
12018
12019 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
12020
12021         PR tree-optimization/39007
12022         * tree-loop-distribution.c (generate_builtin): Use
12023         recompute_dominator to compute the immediate dominator of the
12024         basic block just after the loop.
12025
12026 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12027
12028         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
12029         (ASM_OUTPUT_DWARF_PCREL): Define.
12030
12031 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
12032
12033         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
12034         * doc/passes.texi: Remove entries about regclass, local-alloc, and
12035         global.  Modify entries about regmove and IRA.
12036
12037         * ra-conflict.c: Remove the file.
12038
12039         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
12040
12041         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
12042         (pass_regclass_init): Rename to pass_reginfo_init.
12043
12044         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
12045
12046         * toplev.h (flag_ira): Remove.
12047
12048         * caller-save.c (setup_save_areas): Remove flag_ira.
12049
12050         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
12051
12052         * global.c: Remove the file.
12053
12054         * opts.c (decode_options): Remove flag_ira.
12055
12056         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
12057
12058         * regmove.c: Modify file description.
12059         (find_use_as_address, try_auto_increment): Define them only if
12060         AUTO_INC_DEC is defined.
12061         (replacement_quality, replace_in_call_usage, fixup_match_1,
12062         stable_and_no_regs_but_for_p): Remove.
12063         (reg_set_in_bb): Make it static.
12064         (regmove_optimize): Remove flag_ira and code which worked for
12065         !flag_ira.
12066
12067         * local-alloc.c: Remove the file.
12068
12069         * common.opt (fira): Remove.
12070
12071         * ira.c: Include except.h.
12072         (eliminable_regset): Move from global.c.
12073         (mark_elimination): Ditto.  Remove flag_ira.
12074         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
12075         equiv_mem_modified, validate_equiv_mem_from_store,
12076         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
12077         contains_replace_regs, memref_referenced_p, memref_used_between_p,
12078         no_equiv, recorded_label_ref): Move from local-alloc.c.
12079         (update_equiv_regs): Ditto.  Make it static.
12080         (print_insn_chain, print_insn_chains): Move it from global.c.
12081         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
12082         (build_insn_chain): Ditto.  Make it static.
12083         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
12084         Rename to init_live_subregs.
12085         (gate_ira): Remove flag_ira.
12086
12087         * regclass.c: Rename reginfo.c.  Change file description.
12088         (FORBIDDEN_INC_DEC_CLASSES): Remove.
12089         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
12090         (init_reg_sets_1): Remove code for evaluation of
12091         reg_class_superclasses and losing_caller_save_reg_set.
12092         (init_regs): Remove init_reg_autoinc.
12093         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
12094         ok_for_base_p_nonstrict): Remove.
12095         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
12096         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
12097         corresponding entries.
12098         (dump_regclass, record_operand_costs, scan_one_insn,
12099         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
12100         record_address_regs, auto_inc_dec_reg_p): Remove.
12101         (gt-regclass.h): Rename to gt-reginfo.h.
12102
12103         * rtl.h (dump_global_regs, retry_global_alloc,
12104         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
12105
12106         * Makefile.in (RA_H): Remove.
12107         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
12108         Rename regclass.o to reginfo.o.
12109         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
12110         gt-reginfo.h.
12111         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
12112         (GTFILES): Rename regclass.c to reginfo.c.
12113
12114         * passes.c (init_optimization_passes): Remove pass_local_alloc and
12115         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
12116
12117         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12118         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
12119         Remove flag_ira.
12120         (finish_spills): Ditto.  Remove code for !flag_ira.
12121
12122 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
12123
12124         PR middle-end/35854
12125         * doc/invoke.texi (rtl debug options): Complete rewrite.
12126         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
12127         to auto_inc_dec".
12128         * mode-switching.c (pass_mode_switching): Rename pass from
12129         "mode-sw" to "mode_sw".
12130         * except.c (pass_convert_to_eh_ranges): Rename pass from
12131         "eh-ranges" to "eh_ranges".
12132         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
12133         to "subreg1".
12134
12135
12136 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
12137             Alexander Monakov  <amonakov@ispras.ru>
12138
12139         PR middle-end/38857
12140         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
12141         register.
12142         (move_exprs_to_boundary): Change return type and pass through
12143         should_move from move_op.  Relax assert.  Update usage ...
12144         (schedule_expr_on_boundary): ... here.  Use should_move instead of
12145         cant_move.
12146         (move_op_orig_expr_found): Indicate that insn was disconnected from
12147         stream.
12148         (code_motion_process_successors): Do not call after_merge_succs
12149         callback if original expression was not found when traversing any of
12150         the branches.
12151         (code_motion_path_driver): Change return type.  Update prototype.
12152         (move_op): Update comment.  Add a new parameter (should_move).  Update
12153         prototype.  Set *should_move based on indication provided by
12154         move_op_orig_expr_found.
12155
12156 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
12157
12158         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
12159         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
12160         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
12161         * config/rs6000/rs6000.c (rs6000_override_options): Default
12162         avoid-indexed-addresses on for Power6, off for everything else.
12163         (avoiding_indexed_address_p): New function.
12164         (rs6000_legitimize_address): Use it.
12165         (rs6000_legitimate_address): Likewise.
12166         * config/rs6000/rs6000.md (movXX_updateX): Likewise
12167
12168 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
12169
12170         PR tree-optimization/38997
12171         * tree-loop-distribution.c (generate_memset_zero): Use
12172         POINTER_PLUS_EXPR for a pointer addition.
12173
12174 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
12175
12176         * config/s390/s390.md (bswap<mode>2): New pattern added.
12177
12178 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12179
12180         * config/s390/s390.md (*tls_load_31): Added type attribute.
12181
12182 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12183
12184         * config/s390/s390.md: Fix a few comments.
12185
12186 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12187
12188         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
12189         (*tm<mode>_full): Fixed z10prop attribute.
12190         (*tst<mode>_extimm): Fixed z10prop attribute.
12191         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
12192         (*tstqiCCT_cconly): Fixed z10prop attribute.
12193         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
12194         (*movsi_larl): Fixed z10prop attribute.
12195         (*movsi_zarch): Fixed z10prop attribute.
12196         (*movsi_eas): Fixed z10prop attribute.
12197         (*movhi): Fixed z10prop attribute.
12198         (*movqi): Fixed z10prop attribute.
12199         (*movstrictqi): Fixed z10prop attribute.
12200         (*mov<mode>): Fixed z10prop attribute.
12201         (*movcc): Fixed z10prop attribute.
12202         (*sethighpartdi_64): Fixed z10prop attribute.
12203         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
12204         (*negdi2_sign_cc): Fixed z10prop attribute.
12205         (*negdi2_sign): Fixed z10prop attribute.
12206         (*absdi2_sign_cc): Fixed z10prop attribute.
12207         (*absdi2_sign): Fixed z10prop attribute.
12208         (*negabsdi2_sign_cc): Fixed z10prop attribute.
12209         (*negabsdi2_sign): Fixed z10prop attribute.
12210         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
12211         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
12212         (doloop_si64): Fixed z10prop attribute.
12213         (doloop_si31): Fixed z10prop attribute.
12214         (doloop_long): Fixed z10prop attribute.
12215         (indirect_jump): Fixed z10prop attribute.
12216         (nop): Fixed z10prop attribute.
12217         (main_base_64): Fixed z10prop attribute.
12218         (reload_base_64): Fixed z10prop attribute.
12219
12220 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12221
12222         PR rtl-optimization/38740
12223         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
12224         if !optimize.
12225         * config/mips/mips.c (mips_reorg): Likewise.
12226
12227 2009-01-28  Richard Guenther  <rguenther@suse.de>
12228
12229         PR tree-optimization/38926
12230         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
12231         with the correct value id to a value.
12232         (do_regular_insertion): Use the value number of edoubleprime
12233         for the value number of the expr.
12234
12235         Revert
12236         2008-08-21  Richard Guenther  <rguenther@suse.de>
12237
12238         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
12239         a PHI ask VN if it is already available.
12240         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
12241         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
12242
12243 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12244
12245         PR middle-end/38934
12246         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
12247         set to varying whenever max has TREE_OVERFLOW set, similarly
12248         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
12249
12250 2009-01-28  Richard Guenther  <rguenther@suse.de>
12251
12252         PR middle-end/38908
12253         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
12254         uninitialized aggregate uses in call arguments.
12255
12256 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
12257
12258         PR tree-optimization/38984
12259         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
12260         the nothing_id variable if -fno-delete-null-pointer-checks.
12261
12262 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
12263
12264         PR target/38988
12265         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
12266         (set_got_offset_rex64): Ditto.
12267
12268 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
12269
12270         PR target/38941
12271         * doc/extend.texi: Improve local variable with asm reg.
12272
12273 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
12274
12275         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
12276         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
12277         was not supplied then set warn_packed_bitfield_compat to the
12278         default value of 1.
12279         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
12280         against 1.
12281
12282 2009-01-27  Richard Guenther  <rguenther@suse.de>
12283
12284         PR tree-optimization/38503
12285         * cfgexpand.c (expand_gimple_basic_block): Ignore
12286         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
12287         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
12288         variables that cannot have TBAA applied.
12289         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
12290         statements.
12291
12292 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
12293
12294         PR middle-end/38969
12295         * calls.c (initialize_argument_information): Do not wrap complex
12296         arguments in SAVE_EXPR.
12297
12298 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
12299
12300         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
12301         (INSTALL_LIBGCC): Revert typo commit.
12302
12303 2009-01-26  Richard Guenther  <rguenther@suse.de>
12304
12305         PR tree-optimization/38745
12306         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
12307         from special handling.
12308
12309 2009-01-26  Richard Guenther  <rguenther@suse.de>
12310
12311         PR tree-optimization/38745
12312         * tree-ssa.c (execute_update_addresses_taken): Do not include
12313         variables that cannot possibly be a register in not_reg_needs.
12314         Do not clear TREE_ADDRESSABLE on vars that may not become
12315         registers.
12316         * tree-ssa.c (update_alias_info_1): Include those in the set
12317         of addressable vars.
12318
12319 2009-01-26  Richard Guenther  <rguenther@suse.de>
12320
12321         PR middle-end/38851
12322         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
12323         * tree-ssa-dse.c: Include langhooks.h
12324         (execute_simple_dse): Remove stores with zero size.
12325
12326 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
12327
12328         PR c/38957
12329         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
12330         as PLUS_EXPR.
12331
12332 2009-01-24  Julian Brown  <julian@codesourcery.com>
12333
12334         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
12335         config/arm/linux-atomic.c.
12336         * config/arm/linux-atomic.c: New.
12337
12338 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
12339
12340         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
12341         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
12342         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
12343
12344 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12345
12346         PR c/38938
12347         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
12348         properly.
12349
12350 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
12351
12352         PR tree-optimization/38953
12353         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
12354         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
12355         (gloog): Split the exit of the scop when the scop exit is a loop exit.
12356         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
12357         changed the CFG.
12358
12359 2009-01-24  Paul Brook  <paul@codesourcery.com>
12360
12361         * config/arm/neon.md (neon_type): Move to arm.md.
12362         (neon_mov<VSTRUCT>): Add neon_type attribute.
12363         * config/arm/arm.md (neon_type): Move to here.
12364         (conds): Add "unconditioal" and use as default for NEON insns.
12365
12366 2009-01-24  Ben Elliston  <bje@au.ibm.com>
12367
12368         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
12369         void *' warning from -Wc++-compat.
12370         * Makefile.in (dominance.o-warn): Remove.
12371
12372 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
12373
12374         PR tree-optimization/38932
12375         * fold-const.c (fold_unary_ignore_overflow): New.
12376         * tree.h (fold_unary_ignore_overflow): Declare.
12377         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
12378         * tree-ssa-sccvn.c (visit_reference_op_load,
12379         simplify_unary_expression): Likewise.
12380
12381 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
12382
12383         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
12384         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
12385         regardless of their type.
12386         * c-common.c (handle_packed_attribute): Don't ignore packed on
12387         bitfields.
12388         * c.opt (Wpacked-bitfield-compat): New warning option.
12389         * stor-layout.c (place_field): Warn if offset of a field changed.
12390         * doc/extend.texi (packed): Mention the ABI change.
12391         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
12392         (Warning Options): Add it to the list.
12393
12394 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12395
12396         * c-opts.c (c_common_post_options): Fix a typo in comments.
12397
12398 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
12399
12400         PR middle-end/38615
12401         * gimplify.c (gimplify_init_constructor): Fix promotion of const
12402         variables to static.
12403         * doc/invoke.texi (-fmerge-all-constants): Update description.
12404
12405 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
12406
12407         PR target/38931
12408         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
12409         (*movdi_1_rex64): Use type "mmx" for alternative 5.
12410
12411 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
12412
12413         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
12414         a word boundary.
12415         (LOCAL_ALIGNMENT): Similarly.
12416
12417 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12418             Joseph Myers  <joseph@codesourcery.com>
12419
12420         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
12421         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
12422         * config/arm/arm-tune.md: Regenerate.
12423         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
12424         -march=iwmmxt2.
12425
12426 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12427
12428         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
12429         version number to five.
12430
12431 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
12432
12433         PR c++/38930
12434         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
12435         * c-common.c (set_underlying_type): Likewise.
12436         (is_typedef_decl ): Likewise
12437         * tree.h: Likewise
12438         (set_underlying_type): Likewise.
12439         (is_typedef_type): Likewise.
12440
12441 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
12442
12443         PR middle-end/38587
12444         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
12445         crossing setjmps.
12446
12447 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
12448
12449         PR bootstrap/37660
12450         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
12451         (LIBGCC_SPEC):  Don't define.
12452         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
12453
12454 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
12455
12456         PR rtl-optimization/38879
12457         * alias.c (base_alias_check): Unaligned access via AND address can
12458         alias all surrounding object types except those with sizes equal
12459         or wider than the size of unaligned access.
12460
12461 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
12462
12463         PR c++/26693
12464         * c-decl.c (clone_underlying_type): Move this ...
12465         * c-common.c (set_underlying_type): ... here.
12466         Also, make sure the function properly sets TYPE_STUB_DECL() on
12467         the newly created typedef variant type.
12468         (is_typedef_decl ): New entry point.
12469         * tree.h: Added a new member member_types_needing_access_check to
12470         struct tree_decl_non_common.
12471         (set_underlying_type): New entry point.
12472         (is_typedef_type): Likewise.
12473
12474 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
12475
12476         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
12477         Check whether two instructions have memory references that
12478         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
12479         are helper functions for traversing.
12480         * alias.h (insn_alias_sets_confilict_p): New prototypes.
12481         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
12482         not to draw dependency edge for instructions with non-conflicting
12483         alias sets.
12484
12485 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
12486
12487         PR other/38758
12488         * longlong.h: Update copyright years.  Use soft-fp license notice.
12489         Sync __clz_tab declaration with glibc.
12490
12491 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
12492
12493         PR target/30687
12494         * doc/extend.texi (syscall_linkage): New.
12495         (version_id): Modify.
12496
12497 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12498             Richard Guenther  <rguenther@suse.de>
12499
12500         PR tree-optimization/38747
12501         PR tree-optimization/38748
12502         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
12503         conversion if the base address is an indirect reference and the
12504         aliasing sets could cause issues.
12505
12506 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12507
12508         * common.opt (fgraphite, fgraphite-identity): Add comment for
12509         explaining why these options are not documented.
12510
12511 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12512
12513         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
12514         gimple_call_lhs is NULL.
12515
12516 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
12517
12518         PR target/38868
12519         * emit-rtl.c (adjust_address_1): Make sure memref is never
12520         overwritten.
12521
12522 2009-01-20  Ben Elliston  <bje@au.ibm.com>
12523
12524         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12525         const qualifier from arg parameter. Remove unnecessary cast to char *.
12526         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12527         const qualifier from arg 2.
12528
12529 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
12530
12531         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
12532
12533 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12534
12535         PR c/38869
12536         * rtl.h (reinit_regs): New prototype.
12537         * regclass.c: Include ira.h.
12538         (reinit_regs): New.
12539         * Makefile.in (regclass.o): Add ira.h.
12540         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
12541
12542 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
12543
12544         PR target/38736
12545         * c-common.c (handle_aligned_attribute): Use
12546         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
12547         default alignment value.
12548
12549         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
12550
12551         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
12552         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
12553
12554         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
12555         __BIGGEST_ALIGNMENT__.
12556
12557         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
12558
12559 2009-01-18  Richard Guenther  <rguenther@suse.de>
12560
12561         PR tree-optimization/38819
12562         * tree-flow.h (operation_could_trap_helper_p): Declare.
12563         * tree-eh.c (operation_could_trap_helper_p): Export.
12564         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
12565         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
12566         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
12567         are about to insert a possibly trapping instruction and fail
12568         in this case.
12569
12570 2009-01-18  Andreas Schwab  <schwab@suse.de>
12571
12572         * doc/install.texi (Configuration): Remove obsolete paragraph
12573         about use of --with-gnu-ld with --with-gnu-as.
12574
12575 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
12576
12577         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
12578         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
12579         Follow spelling conventions.
12580
12581 2009-01-18  Ben Elliston  <bje@au.ibm.com>
12582
12583         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
12584         C++ warning about implicit conversion from void * to struct
12585         bitmap_head_def *.
12586         (bitmap_obstack_free): Likewise for bitmap_element *.
12587         * Makefile.in (bitmap.o-warn): Remove.
12588
12589 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
12590
12591         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
12592
12593 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
12594             Tobias Grosser  <tobi.grosser@amd.com>
12595
12596         * graphite.c (graphite_trans_scop_block): Do not block single
12597         nested loops.
12598
12599 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
12600
12601         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
12602         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
12603         test with assertion.
12604
12605 2009-01-16  Richard Guenther  <rguenther@suse.de>
12606
12607         PR tree-optimization/38835
12608         PR middle-end/36227
12609         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
12610         and INT + PTR -> (INT)(PTR p+ INT) folding.
12611         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
12612
12613 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
12614
12615         PR target/38554
12616         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
12617         the subreg from a lowpart subreg if it is also casting the value.
12618
12619 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12620             Tobias Grosser  <tobi.grosser@amd.com>
12621
12622         * graphite.c (compare_prefix_loops): New.
12623         (build_scop_canonical_schedules): Rewritten.
12624         (graphite_transform_loops): Move build_scop_canonical_schedules
12625         after build_scop_iteration_domain.
12626
12627 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12628             Tobias Grosser  <tobi.grosser@amd.com>
12629
12630         * graphite.c (add_conditions_to_domain): Add the loops to
12631         the dimension of the iteration domain.  Do copy the domain
12632         only when it exists.
12633         (build_scop_conditions_1): Do not call add_conditions_to_domain.
12634         (add_conditions_to_constraints): New.
12635         (can_generate_code_stmt, can_generate_code): Removed.
12636         (gloog): Do not call can_generate_code.
12637         (graphite_transform_loops): Call add_conditions_to_constraints
12638         after building the iteration domain.
12639
12640 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
12641
12642         PR tree-optimization/38789
12643         * tree-ssa-threadedge.c
12644         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12645         __builtin_constant_p.
12646
12647 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
12648
12649         * dce.c (delete_unmarked_insns): Reversed the order that insns are
12650         examined before deleting them.
12651
12652 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
12653
12654         * function.c (aggregate_value_p): Correctly extract the function
12655         type from CALL_EXPR_FN lookup.
12656
12657 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12658
12659         * config/picochip/picochip.c (picochip_override_options): Revert
12660         CFI asm flag disable commited previously.
12661
12662 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12663             Tobias Grosser  <tobi.grosser@amd.com>
12664             Jan Sjodin  <jan.sjodin@amd.com>
12665
12666         * graphite.c (scan_tree_for_params): On substractions negate
12667         all the coefficients of the term.
12668         (clast_to_gcc_expression_red): New.  Handle reduction expressions
12669         of more than two operands.
12670         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
12671         (get_vdef_before_scop): Handle also the case of default definitions.
12672
12673 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12674
12675         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
12676         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
12677         Also use them when walking CALL_INSN_FUNCTION_USAGE.
12678
12679 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
12680             Joey Ye  <joey.ye@intel.com>
12681
12682         PR middle-end/37843
12683         * cfgexpand.c (expand_stack_alignment): Don't update stack
12684         boundary nor check incoming stack boundary here.
12685         (gimple_expand_cfg): Update stack boundary and check incoming
12686         stack boundary here.
12687
12688 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
12689
12690         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
12691
12692 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
12693
12694         PR rtl-optimization/38245
12695         * calls.c (expand_call): Add stack arguments to
12696         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12697         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
12698         in regs and partially in memory or BLKmode arguments.
12699         (emit_library_call_value_1): Add stack arguments to
12700         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12701         ACCUMULATE_OUTGOING_ARGS).
12702         * dce.c: Include tm_p.h.
12703         (find_call_stack_args): New function.
12704         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
12705         argument.
12706         (mark_insn): Call find_call_stack_args for CALL_Ps.
12707         (prescan_insns_for_dce): Walk insns backwards in bb rather than
12708         forwards.  Allocate and free arg_stores bitmap if needed, pass it
12709         down to deletable_insn_p, don't mark stores set in arg_stores
12710         bitmap, clear the bitmap at the beginning of each bb.
12711         * Makefile.in (dce.o): Depend on $(TM_P_H).
12712
12713 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
12714
12715         PR target/22599
12716         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
12717         to make sure the insn is a conditional test (bug 22599).  Reformat a
12718         few long lines.
12719
12720 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
12721
12722         PR middle-end/38431
12723         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
12724         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
12725         (gloog): Do not call cleanup_tree_cfg.
12726         (graphite_transform_loops): Call cleanup_tree_cfg after all
12727         scops have been code generated.
12728
12729 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
12730         * doc/gty.texi (Invoking the garbage collector): Added new node
12731         and section documenting ggc_collect.
12732
12733 2009-01-14  Richard Guenther  <rguenther@suse.de>
12734
12735         PR tree-optimization/38826
12736         PR middle-end/38477
12737         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
12738         initialization notes only if we actually emitted a warning.
12739         (intra_create_variable_infos): Add constraints for a result decl
12740         that is passed by hidden reference.
12741         (build_pred_graph): Mark all related variables non-direct on
12742         address-taking.
12743
12744 2009-01-14  Nick Clifton  <nickc@redhat.com>
12745
12746         * ira-conflicts.c: Include addresses.h for the definition of
12747         base_reg_class.
12748         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
12749         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
12750
12751 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
12752
12753         PR target/38811
12754         * Makefile.in (ira-lives.o): Add except.h.
12755
12756         * ira-lives.c: Include except.h.
12757         (process_bb_node_lives): Process can_throw_internal.
12758
12759 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
12760
12761         PR rtl-optimization/38774
12762         * combine.c (simplify_set): When undoing cc_use change, don't do
12763         PUT_CODE on the newly created comparison, but instead put back the
12764         old comparison.
12765
12766 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
12767
12768         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
12769         values.  Remove duplicate arm8 entry.
12770
12771 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12772
12773         PR tree-optimization/38786
12774         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
12775         the SSA_NAME case of expand_scalar_variables_expr.
12776         Set the type of an expression to the type of its assign statement.
12777         (expand_scalar_variables_expr): Also gather the scalar computation
12778         used to index the memory access.  Do not pass loop_p.
12779         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
12780         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
12781         the gimple_stmt_iterator where it inserts new code.
12782         Do not pass loop_p.
12783         (copy_bb_and_scalar_dependences): Do not pass loop_p.
12784         (translate_clast): Update call to copy_bb_and_scalar_dependences.
12785
12786 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12787
12788         * graphite.h (debug_value): Removed.
12789         * graphite.c (debug_value): Removed.
12790
12791 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12792
12793         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
12794         ldrd/strd with two 32-bit instructions.
12795
12796 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12797
12798         * config/arm/arm.c (struct processors): Pass for speed down into
12799         cost helper functions.
12800         (const_ok_for_op): Handle COMPARE and inequality nodes.
12801         (arm_rtx_costs_1): Rewrite.
12802         (arm_size_rtx_costs): Update prototype.
12803         (arm_rtx_costs): Pass speed down to helper functions.
12804         (arm_slowmul_rtx_costs): Rework cost calculations.
12805         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
12806         (arm_9e_rtx_costs): Likewise.
12807
12808 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
12809
12810         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12811         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12812         (alpha_legitimize_address): Do not split local symbols wider than
12813         UNITS_PER_WORD into HIGH/LO_SUM parts.
12814
12815 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12816
12817         PR bootstrap/38580
12818         * gcc.c (process_command): Replace call to execvp with calls
12819         to pex_one and exit.
12820
12821 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12822
12823         PR target/29141
12824         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12825         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12826         variant for devices with 3-byte PC.
12827         (__tablejump_elpm__): New.
12828
12829 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12830
12831         PR c/32041
12832         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12833         offsetof member-designator, handle it as `[0].'.
12834
12835 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12836
12837         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12838         function when not using named sections on targets with named sections
12839         if branch distance is less than 262132.
12840
12841 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12842
12843         * combine.c (combine_instructions):  Recompute
12844         optimize_this_for_speed_p  for each BB in the main combine loop.
12845
12846 2009-01-12  Tomas Bily  <tbily@suse.cz>
12847
12848         PR middlend/38385
12849         * tree-loop-distribution.c (prop_phis): New function.
12850         (generate_builtin): Call prop_phis.
12851         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12852
12853 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12854
12855         PR tree-optimization/38807
12856         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12857         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12858
12859 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12860
12861         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12862         subreg of op0 to the original op0.
12863
12864 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12865
12866         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12867
12868 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12869
12870         PR debug/7055
12871         * mips-tfile.c (parse_def): Fix parsing of def strings
12872         starting with digits.
12873
12874 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12875
12876         PR target/38695
12877         * config/arm/arm.c (arm_is_long_call_p): Don't call
12878         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12879
12880 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12881
12882         * regrename.c (regrename_optimize): Fix dumping.
12883         (find_oldest_value_reg): Preserve REG_POINTER.
12884         (copy_hardreg_forward_1): Likewise.
12885
12886 2009-01-09  Diego Novillo  <dnovillo@google.com>
12887
12888         * gimple.h (struct gimple_statement_base) <uid>: Document
12889         the restrictions on its use.
12890         (gimple_uid): Tidy.
12891         (gimple_set_uid): Tidy.
12892
12893 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12894
12895         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12896         zero guard even if align_bytes != 0 and count is smaller than
12897         size_needed.
12898
12899 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12900
12901         PR rtl-optimization/38495
12902         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12903         (add_range_and_copies_from_move_list): Print all added ranges.
12904         Add ranges to memory optimized destination.
12905
12906 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12907
12908         PR target/38686
12909         PR target/38708
12910         * config/i386/i386.c (override_options): Reject
12911         -mstringop-strategy=rep_8byte with -m32.
12912         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12913         to 1.  Do count comparison against epilogue_size_needed at compile
12914         time even when count_exp was constant forced into register.  For
12915         size_needed don't jump to epilogue, instead just avoid aligning
12916         and invoke the body algorithm.  If need_zero_guard, add zero guard
12917         even if count is non-zero, but smaller than size_needed + number of
12918         bytes that could be stored for alignment.
12919         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12920         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12921         but smaller than size_needed + number of bytes that could be stored
12922         for alignment.  Compare size_needed with epilogue_size_needed instead
12923         of desired_align - align, don't adjust size_needed, pass
12924         epilogue_size_needed to the epilogue expanders.
12925
12926         PR c/35742
12927         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12928
12929 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12930
12931         * pa.c (last_address): Change to unsigned.
12932         (update_total_code_bytes): Change argument to unsigned.  Don't
12933         check if insn addresses are set.
12934         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12935         addresses are not set.
12936         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12937
12938 2009-01-09  Nick Clifton  <nickc@redhat.com>
12939
12940         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12941         DECL_DECLARED_INLINE_P.
12942
12943 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12944
12945         PR middle-end/38347
12946         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12947         GET_MODE (op0) in operand_subword_force calls.
12948
12949         PR middle-end/38771
12950         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12951         fold_convert arg0 operands to TREE_TYPE (op0) first.
12952
12953 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12954
12955         * params.def (ira-max-conflict-table-size): Decrease default value
12956         to 1000.
12957
12958 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12959
12960         PR tree-optimization/37031
12961         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12962         on parameter_set.
12963         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12964         allocate it using gc instead of heap, use VEC_quick_push instead of
12965         VEC_safe_push.
12966         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12967         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12968         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12969         allocated vector from heap allocated.
12970         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12971         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12972         vector only after perfect_loop_nest_depth call.
12973
12974 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12975             Jan Sjodin  <jan.sjodin@amd.com>
12976
12977         PR tree-optimization/38559
12978         * graphite.c (debug_value, copy_constraint,
12979         swap_constraint_variables, scale_constraint_variable, ): New.
12980         (get_lower_bound, get_upper_bound): Removed.
12981         (graphite_trans_bb_strip_mine): Clean up this code that works
12982         only for constant number of iterations.  Fully copy upper and
12983         lower bound constraints, not only the constant part of them.
12984         * graphite.h (debug_value): Declared.
12985
12986 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12987
12988         PR tree-optimization/37194
12989         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12990         Don't add the cost of cost model guard in prologue to scalar
12991         outside cost in case of known number of iterations.
12992
12993 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12994             Alan Modra  <amodra@bigpond.net.au>
12995
12996         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12997         non-word-aligned REG+CONST addressing.
12998
12999 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
13000
13001         PR target/38706
13002         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
13003         free_after_compilation when outputting a thunk.
13004         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
13005         Do not call free_after_compilation here.
13006
13007 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
13008
13009         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
13010         (ix86_valid_target_attribute_inner_p): Ditto.
13011
13012 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
13013
13014         PR tree-optimization/38492
13015         PR tree-optimization/38498
13016         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
13017         * tree-chrec.h (scev_is_linear_expression): Declared.
13018         * graphite.c (graphite_cannot_represent_loop_niter): New.
13019         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
13020         (graphite_loop_normal_form): Use gcc_assert.
13021         (scan_tree_for_params): Use CASE_CONVERT.
13022         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
13023         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
13024         Use gcc_assert.  Discard scops that contain unhandled cases.
13025         (build_scop_conditions): Return a boolean status for unhandled cases.
13026         (strip_mine_profitable_p): Print the loop number, not its depth.
13027         (is_interchange_valid): Pass the depth of the loop nest, don't
13028         recompute it wrongly.
13029         (graphite_trans_bb_block): Same.
13030         (graphite_trans_bb_block): Print tentative of loop blocking.
13031         (graphite_trans_scop_block): Do not print that the loop has been
13032         blocked.
13033         (graphite_transform_loops): Do not handle scops that contain condition
13034         scalar phi nodes.
13035
13036 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13037
13038         AVX Programming Reference (December, 2008)
13039         * config/i386/avxintrin.h (_mm256_stream_si256): New.
13040         (_mm256_stream_pd): Likewise.
13041         (_mm256_stream_ps): Likewise.
13042
13043         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
13044         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
13045         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
13046         (bdesc_special_args): Add __builtin_ia32_movntdq256,
13047         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
13048         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
13049         (ix86_expand_special_args_builtin): Likewise.
13050
13051         * config/i386/sse.md (AVXMODEDI): New.
13052         (avx_movnt<mode>): Likewise.
13053         (avx_movnt<mode>): Likewise.
13054         (<sse>_movnt<mode>): Remove AVX support.
13055         (sse2_movntv2di): Likewise.
13056
13057 2009-01-07  Richard Guenther  <rguenther@suse.de>
13058
13059         PR middle-end/38751
13060         * fold-const.c (extract_muldiv): Remove obsolete comment.
13061         (fold_plusminus_mult_expr): Undo MINUS_EXPR
13062         to PLUS_EXPR canonicalization for the canonicalization.
13063
13064 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
13065
13066         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
13067         hosted cross-compilers generating less efficient code.
13068
13069 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13070
13071         * function.h (rtl_data): Add a dbr_scheduled_p field.
13072         * reorg.c (dbr_schedule): Set it.
13073         (gate_handle_delay_slots): Check it.
13074         * config/mips/mips.c (mips_base_delayed_branch): Delete.
13075         (mips_reorg): Check flag_delayed_branch instead of
13076         mips_base_delayed_branch.
13077         (mips_override_options): Don't set mips_base_delayed_branch
13078         or flag_delayed_branch.
13079
13080 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13081
13082         PR rtl-optimization/38426.
13083         * ira.c (ira): Set current_function_is_leaf earlier.
13084
13085 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
13086
13087         PR rtl-optimization/38722
13088         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
13089         too early, only set a flag and modify after last possible
13090         undo_all point.
13091
13092 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
13093
13094         PR c/34252
13095         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
13096         * real.c (decimal_single_format): Correct values of emin and emax.
13097         (decimal_double_format): Ditto.
13098         (decimal_quad_format): Ditto.
13099         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
13100         computation of DECnn_MIN and DECnn_MAX for corrected values of
13101         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
13102         __DECnn_MIN__, and adjust its computation for the corrected value
13103         of emin.
13104
13105 2009-01-06  Jan Hubicka  <jh@suse.cz>
13106
13107         PR target/38744
13108         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
13109
13110 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
13111
13112         * doc/contrib.texi (Contributors): Slightly adjust the end note.
13113         Add Robert Clark to the list of testers.
13114
13115 2009-01-06  Jan Hubicka  <jh@suse.cz>
13116             Kai Tietz  <kai.tietz@onevision.com>
13117
13118         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
13119         * config/i386/i386.c (ix86_expand_call): Add clobbers.
13120
13121 2009-01-06  Jan Hubicka  <jh@suse.cz>
13122             Kai Tietz  <kai.tietz@onevision.com>
13123
13124         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
13125         for w64 ABI.
13126         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
13127         (ix86_nsaved_regs): Count only general purpose regs.
13128         (ix86_nsaved_sseregs): New.
13129         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
13130         to 16 for w64; compute padding and size of sse reg save area.
13131         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
13132         general purpose regs.
13133         (ix86_emit_save_sse_regs_using_mov): New.
13134         (ix86_expand_prologue): Save SSE regs if needed.
13135         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
13136         (ix86_emit_restore_sse_regs_using_mov): New.
13137         (ix86_expand_epilogue): Save SSE regs if needed.
13138
13139 2009-01-06  Jan Hubicka  <jh@suse.cz>
13140             Kai Tietz  <kai.tietz@onevision.com>
13141
13142         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
13143         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
13144         functions when accumulate outgoing args is off.
13145
13146 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13147
13148         PR bootstrap/38742
13149         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
13150         before using pseudos_have_intersected_live_ranges_p.
13151
13152         * ira-int.h (ira_assert): Always define.
13153
13154 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13155
13156         AVX Programming Reference (December, 2008)
13157         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
13158         (_mm256_permute2_pd): Likewise.
13159         (_mm_permute2_ps): Likewise.
13160         (_mm256_permute2_ps): Likewise.
13161         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
13162         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
13163
13164         * config/i386/i386.c (ix86_builtins): Remove
13165         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
13166         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
13167         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
13168         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
13169         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
13170         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
13171         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
13172         __builtin_ia32_vpermil2ps256.
13173         (ix86_init_mmx_sse_builtins): Updated.
13174         (ix86_expand_args_builtin): Likewise.
13175
13176 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13177
13178         * pa.c (output_call): Relocate non-jump insns in the delay slot of
13179         long absolute calls when generating PA 2.0 code.
13180
13181 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
13182
13183         PR rtl-optimization/38583
13184         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
13185
13186         * params.def (ira-max-conflict-table-size): New.
13187
13188         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
13189
13190         * ira.h (ira_conflicts_p): New external definition.
13191
13192         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
13193         table.  Report this.  Return result of building.
13194         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
13195         building conflict table.
13196
13197         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
13198         (ira_color): Use ira_conflicts_p.
13199
13200         * global.c: Include ira.h.
13201         (pseudo_for_reload_consideration_p, build_insn_chain): Use
13202         ira_conflicts_p.
13203
13204         * Makefile.in (global.o): Add ira.h.
13205
13206         * ira-build.c (mark_all_loops_for_removal,
13207         propagate_some_info_from_allocno): New.
13208         (remove_unnecessary_allocnos): Call
13209         propagate_some_info_from_allocno.
13210         (remove_low_level_allocnos): New.
13211         (remove_unnecessary_regions): Add parameter.  Call
13212         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
13213         parameter to remove_unnecessary_regions.
13214         (ira_build): Remove all regions but root if the conflict table was
13215         not built.  Update conflict hard regs for allocnos crossing calls.
13216
13217         * ira.c (ira_conflicts_p): New global.
13218         (ira): Define and use ira_conflicts_p.
13219
13220         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
13221         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
13222         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
13223
13224 2009-01-06  Ben Elliston  <bje@au.ibm.com>
13225
13226         * gengtype-lex.l (YY_NO_INPUT): Define.
13227
13228 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13229
13230         PR c/34911
13231         * c-common.c (handle_vector_size_attribute): Also reject
13232         BOOLEAN_TYPE types.
13233
13234 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
13235
13236         PR tree-optimization/38492
13237         * graphite.c (rename_map_elt, debug_rename_elt,
13238         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
13239         rename_map_elt_info, eq_rename_map_elts,
13240         get_new_name_from_old_name, bb_in_sese_p): Moved around.
13241         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
13242         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
13243         (sese_build_livein_liveouts): New.
13244         (new_sese, free_sese): New.
13245         (new_scop): Call new_sese.
13246         (free_scop): Call free_sese.
13247         (rename_variables_from_edge, rename_phis_end_scop): Removed.
13248         (register_old_new_names): Renamed register_old_and_new_names.
13249         (register_scop_liveout_renames, add_loop_exit_phis,
13250         insert_loop_close_phis, struct igp,
13251         default_liveout_before_guard, add_guard_exit_phis,
13252         insert_guard_phis, copy_renames): New.
13253         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
13254         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
13255         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
13256         (scop_adjust_phis_for_liveouts): New.
13257         (gloog): Call scop_adjust_phis_for_liveouts.
13258
13259         * graphite.h (struct sese): Documented.  Added fields liveout,
13260         num_ver and livein.
13261         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
13262         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
13263         (struct scop): Added field liveout_renames.
13264         (SCOP_LIVEOUT_RENAMES): New.
13265
13266 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13267
13268         PR tree-optimization/38510
13269         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
13270         (translate_clast): Call recompute_all_dominators before
13271         graphite_verify.
13272         (gloog): Call recompute_all_dominators before graphite_verify.
13273
13274 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13275             Jan Sjodin  <jan.sjodin@amd.com>
13276
13277         PR tree-optimization/38500
13278         * graphite.c (create_sese_edges): Call fix_loop_structure after
13279         splitting blocks.
13280
13281 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
13282
13283         * config.gcc: Add m32r*-*-rtems*.
13284         * config/m32r/rtems.h: New file.
13285
13286 2009-01-05  Ben Elliston  <bje@au.ibm.com>
13287
13288         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
13289         (.po.pox): Likewise.
13290         (po/gcc.pot): Likewise.
13291
13292 2009-01-04  David S. Miller  <davem@davemloft.net>
13293
13294         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
13295         (STARTING_FRAME_OFFSET): Always set to zero.
13296
13297 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13298
13299         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
13300         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
13301         fixed-point types, and vectors of the same.
13302
13303 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13304
13305         * config/mips/sync.md (*mb_barrier): Rename to...
13306         (*memory_barrier): ...this.
13307
13308 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
13309
13310         * doc/extend.texi (Function Attributes): Move @cindex after @item
13311         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
13312         and put in alphabetical order. Fix 'target' name and put in order.
13313         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
13314         typos.
13315
13316 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
13317
13318         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
13319         (memory_barrier): Expand as unspec instead of unspec_volatile.
13320         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13321         (*memory_barrier): Define as unspec instead of unspec_volatile.
13322         Use (match_dup 0) as input operand.
13323
13324         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
13325         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
13326         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
13327         scratch register.  Remove operand 1.
13328         (*stbar): Define as unspec instead of unspec_volatile.
13329         Use (match_dup 0) as input operand, remove (const_int 8).
13330         (*membar): Define as unspec instead of unspec_volatile.
13331         Use (match_dup 0) as input operand, remove input operand 2.
13332
13333         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
13334         (memory_barrier): Expand as unspec instead of unspec_volatile.
13335         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13336         (*memory_barrier): Define as unspec instead of unspec_volatile.
13337         Use (match_dup 0) as input operand.
13338
13339         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
13340         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13341         Set volatile flag on operand 0.
13342         (*memory_barrier): New insn pattern.
13343
13344         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
13345         insn operands.
13346         (*memory_barrier): Use (match_dup 0) as input operand.
13347
13348         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
13349         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13350         Set volatile flag on operand 0.
13351         (*mb_internal): New insn pattern.
13352
13353         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
13354
13355 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13356
13357         PR middle-end/38586
13358         * function.c (struct temp_slot): Move to the section of the file
13359         that deals with temp slots.  Remove field 'address'.
13360         (temp_slot_address_table): New hash table of address -> temp slot.
13361         (struct temp_slot_address_entry): New struct, items for the table.
13362         (temp_slot_address_compute_hash, temp_slot_address_hash,
13363         temp_slot_address_eq, insert_temp_slot_address): Support functions
13364         for the new table.
13365         (find_temp_slot_from_address): Rewrite to use the new hash table.
13366         (remove_unused_temp_slot_addresses): Remove addresses of temp
13367         slots that have been made available.
13368         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
13369         worker function for remove_unused_temp_slot_addresses.
13370         (assign_stack_temp_for_type): Don't clear the temp slot address list.
13371         Add the temp slot address to the address -> temp slot map.
13372         (update_temp_slot_address): Update via insert_temp_slot_address.
13373         (free_temp_slots): Call remove_unused_temp_slot_addresses.
13374         (pop_temp_slots): Likewise.
13375         (init_temp_slots): Allocate the address -> temp slot map, or empty
13376         the map if it is already allocated.
13377         (prepare_function_start): Initialize temp slot processing.
13378
13379 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13380
13381         PR middle-end/38584
13382         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
13383         Calculate the size of all stack vars assuming no packing of stack
13384         vars will happen, replacing a quadratic algorithm with a linear one.
13385
13386 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13387
13388         PR target/38707
13389         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
13390         can't be used.
13391
13392 2009-01-03  Diego Novillo  <dnovillo@google.com>
13393
13394         * doc/contrib.texi: Update contributions.
13395
13396 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13397
13398         PR c++/38705
13399         * builtins.c (fold_builtin_memory_op): Give up if either operand
13400         is volatile.  Set srctype or desttype to non-qualified version
13401         of the other type.
13402
13403         PR c/38700
13404         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
13405         and FUNCTION_DECLs.
13406
13407 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
13408
13409         PR rtl-optimization/35805
13410         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
13411         problem if fast dce is able to remove any instructions.
13412         * dce.c (dce_process_block): Fix dump message.
13413
13414 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
13415
13416         PR 33649
13417         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
13418
13419 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
13420
13421         PR middle-end/38690
13422         * tree-flow.h (op_code_prio, op_prio): New prototypes.
13423         * tree-pretty-print.c (op_code_prio): New function.
13424         (op_prio): No longer static.  Use op_code_prio.
13425         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
13426         Use op_prio and op_code_prio to determine if () should be
13427         printed around operand(s) or not.
13428
13429         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
13430         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
13431         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
13432         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
13433         pp_character instead of pp_string for single letter printing.
13434
13435 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13436
13437         * doc/extend.texi: Fix '#pragma GCC option' typo.
13438
13439 2009-01-02  Richard Guenther  <rguenther@suse.de>
13440
13441         * doc/install.texi (--enable-checking): Mention different
13442         default for stage1.
13443         (--enable-stage1-checking): Document.
13444
13445 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
13446
13447         PR middle-end/30142
13448         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
13449         case to be an error.
13450
13451 2009-01-02  Ben Elliston  <bje@au.ibm.com>
13452
13453         * config/fp-bit.h (pack_d): Constify argument.
13454         * config/fp-bit.c (makenan): Constify return type. Remove casts.
13455         (isnan): Constify argument.
13456         (isinf): Likewise.
13457         (iszero): Likewise.
13458         (pack_d): Likewise.
13459         (_fpadd_parts): Constify return type.
13460         (_fpmul_parts): Likewise.
13461         (_fpdiv_parts): Likewise.
13462
13463 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
13464
13465         PR c/36489
13466         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
13467         warn about overwriting initializer with side-effects or
13468         -Woverride-init if !IMPLICIT.
13469         (output_init_element): Likewise.  Pass IMPLICIT down to
13470         add_pending_init.
13471         (process_init_element): Add IMPLICIT argument.  Pass it down
13472         to output_init_element.
13473         (push_init_element, pop_init_level, set_designator): Adjust
13474         process_init_element callers.
13475         (set_nonincremental_init, set_nonincremental_init_from_string):
13476         Adjust add_pending_init callers.
13477         (output_pending_init_elements): Adjust output_init_element callers.
13478         * c-tree.h (process_init_element): Adjust prototype.
13479         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
13480         process_init_element callers.
13481
13482 \f
13483 Copyright (C) 2009 Free Software Foundation, Inc.
13484
13485 Copying and distribution of this file, with or without modification,
13486 are permitted in any medium without royalty provided the copyright
13487 notice and this notice are preserved.