re PR target/40266 (march-native gives -mno-sse4, but cpuinfo sse4_1)
[official-gcc.git] / gcc / ChangeLog
blob3d9a9b35ae611d69f6740ac949f57659f511a471
1 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
3         PR target/40266
4         * config/i386/driver-i386.c (host_detect_local_cpu): Support
5         AVX, SSE4, AES, PCLMUL and POPCNT.
7 2009-05-27  Diego Novillo  <dnovillo@google.com>
9         * tree-pretty-print.c (dump_location): New.
10         (dump_generic_node): Call it.
11         Factor code to handle BLOCK nodes ...
12         (dump_block_node): ... here.
14 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
16         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h with
17         it.
18         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
19         included.
20         * gcc-plugin.h: Include config.h and system.h.
21         (IN_GCC): Define if not defined.
23 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
25         PR middle-end/40249
26         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
27         with -fno-inline.
29 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
31         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
32         applicable.
33         * config/m32r/m32r.h: Ditto.
34         * config/m32r/m32r.md: Ditto.
35         * config/m32r/predicates.md: Ditto.
37 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
39         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
41 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
43         * doc/plugins.texi
44         (Loading plugins): typo.
45         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
46         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
47         (Interacting with the GCC Garbage Collector): Added new section.
48         (Giving information about a plugin): Added new section for
49         PLUGIN_INFO.
50         * testsuite/gcc.dg/plugin/plugin.exp: Added ggcplug.c test plugin
51         with ggcplug-test-1.c for testing PLUGIN_GGC_MARKING etc...
52         * testsuite/gcc.dg/plugin/ggcplug-test-1.c: Added new file.
53         * testsuite/gcc.dg/plugin/ggcplug.c: Added new file.
54         * ggc.h (ggc_register_root_tab): Added declaration.
55         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
56         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
57         (register_callback): Improved comment in declaration.
58         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for
59         vectors.
60         (extra_root_vec) Added static variable for dynamic roots
61         registration.
62         (ggc_register_root_tab) Added new routine.
63         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
64         PLUGIN_GGC_MARKING event.
65         * ggc-zone.c: Include plugin.h.
66         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
67         * ggc-page.c: Include plugin.h.
68         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
69         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
70         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
71         (register_callback): check lack of callbacks for
72         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
73         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
74         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
75         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
76         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
77         dependency on plugin.h.
78         (plugin.o): Added dependency on ggc.h...
80 2009-05-26  Richard Guenther  <rguenther@suse.de>
82         PR middle-end/40248
83         Revert
84         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
85         with mismatched comparison modes.
87         * expr.c (expand_expr_real_1): Expand the operand of a
88         VIEW_CONVERT_EXPR in its natural mode.
90 2009-05-26  Ian Lance Taylor  <iant@google.com>
92         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
93         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
94         (ALL_COMPILERFLAGS): Define.
95         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
96         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
97         (collect2$(exeext), collect2.o): Likewise.
98         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
99         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
100         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
101         (libbackend.o, intl.o, cppdefault.o): Likewise.
102         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
103         (build/%.o): Use $(COMPILER_FOR_BUILD).
104         (build/gen%$(build_exeext)): Likewise.
105         (build/gcov-iov$(build_exeext)): LIkewise.
106         * config/t-darwin (darwin.o): Use $(COMPILER).
107         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
108         * config/t-sol2 (sol2-c.o): Likewise.
109         (sol2.o): Likewise.
110         * config/t-vxworks (vxworks.o): Likewise.
111         * config/x-darwin (host-darwin.o): Likewise.
112         * config/x-hpux (host-hpux.o): Likewise.
113         * config/x-linux (host-linux.o): Likewise.
114         * config/x-solaris (host-solaris.o): Likewise.
115         * config/alpha/x-alpha (driver-alpha.o): Likewise.
116         * config/arm/t-arm (arm-c.o): Likewise.
117         * config/arm/t-pe (pe.o): Likewise.
118         * config/arm/t-wince-pe (pe.o): Likewise.
119         * config/i386/t-cygming (winnt.o): Likewise.
120         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
121         * config/i386/t-cygwin (cygwin1.o): Likewise.
122         (cygwin2.o): Likewise.
123         * config/i386/t-i386 (i386-c.o): Likewise.
124         * config/i386/t-interix (winnt.o): Likewise.
125         * config/i386/t-netware (netware.o): Likewise.
126         * config/i386/t-nwld (nwld.o): Likewise.
127         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
128         * config/i386/x-i386 (driver-i386.o): Likewise.
129         * config/i386/x-cygwin (host-cygwin.o): Likewise.
130         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
131         * config/ia64/t-ia64 (ia64-c.o): Likewise.
132         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
133         * config/mips/x-native (driver-native.o): Likewise.
134         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
135         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
136         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
137         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
138         * config/score/t-score-elf (score7.o): Likewise.
139         (score3.o): Likewise.
140         * config/sh/t-sh (sh-c.o): Likewise.
141         * config/sh/t-symbian (sh-c.o): Likewise.
142         (symbian.o): Likewise.
143         * config/spu/t-spu-elf (spu-c.o): Likewise.
144         * config/v850/t-v850 (v850-c.o): Likewise.
145         * config/v850/t-v850e (v850-c.o): Likewise.
147 2009-05-26  Richard Guenther  <rguenther@suse.de>
149         PR tree-optimization/40122
150         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
151         VECTOR_CSTs if possible.
152         (fold_gimple_assign): Likewise.
154 2009-05-26  Richard Guenther  <rguenther@suse.de>
156         PR middle-end/40252
157         * fold-const.c (fold_binary): Use the correct types for building
158         rotates.
160 2009-05-26  Richard Guenther  <rguenther@suse.de>
162         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
163         redundant calls to merge_alias_info.
164         (bump_vector_ptr): Likewise.
165         * tree-ssa-copy.c (merge_alias_info): Remove.
166         (replace_exp_1): Remove call to merge_alias_info.
167         (propagate_tree_value): Likewise.
168         (fini_copy_prop): Propagate points-to info.
169         * tree-flow.h (merge_alias_info): Remove.
171 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
173         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
175 2009-05-25  Jan Hubicka  <jh@suse.cz>
177         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
178         * cgraph.h (struct inline_summary): New filed self_wize,
179         size_inlining_benefit, self_time and time_inlining_benefit.
180         (struct cgraph_global_info): Replace insns by time ans size fields.
181         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
182         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
183         (ipcp_update_callgraph): Do not touch function bodies.
184         * ipa-inline.c: Include except.h
185         (MAX_TIME): New constant.
186         (overall_insns): Remove.
187         (leaf_node_p): New.
188         (overall_size, max_benefit): New static variables.
189         (cgraph_estimate_time_after_inlining): New function.
190         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
191         (cgraph_clone_inlined_nodes): Update size.
192         (cgraph_mark_inline_edge): Update size.
193         (cgraph_estimate_growth): Use size info.
194         (cgraph_check_inline_limits): Check size.
195         (cgraph_default_inline_p): Likewise.
196         (cgraph_edge_badness): Compute badness based on benefit and size cost.
197         (cgraph_decide_recursive_inlining): Check size.
198         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
199         times.
200         (cgraph_decide_inlining): Likewise.
201         (cgraph_decide_inlining_incrementally): Likewise; honor
202         PARAM_EARLY_INLINING_INSNS.
203         (likely_eliminated_by_inlining_p): New predicate.
204         (estimate_function_body_sizes): New function.
205         (compute_inline_parameters): Use it.
206         * except.c (must_not_throw_labels): New function.
207         * except.h (must_not_throw_labels): Declare.
208         * tree-inline.c (init_inline_once): Kill inlining_weigths
209         * tree-ssa-structalias.c: Avoid uninitialized warning.
210         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
211         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
212         (PARAM_INLINE_CALL_COST): Remove.
213         (PARAM_EARLY_INLINING_INSNS): New.
215 2009-05-25  Richard Guenther  <rguenther@suse.de>
217         PR tree-optimization/36327
218         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
219         callback for reference translation or lookup at the point
220         of may-defs.
221         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
222         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
223         for union COMPONENT_REFs.
224         (vn_reference_lookup_3): New callback.  Lookup from memset
225         and CONSTRUCTOR assignment, translate through struct copies.
226         (vn_reference_lookup_pieces): Make sure to not free the
227         passed operands array.  Adjust walk_non_aliased_vuses call.
228         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
229         make sure we do not leak memory.
231 2009-05-25  Richard Guenther  <rguenther@suse.de>
233         * tree-ssa-alias.h (dump_points_to_solution): Declare.
234         * tree-inline.c (expand_call_inline): Reset the escaped and
235         callused solutions.
236         * tree-ssa-structalias.c (pass_build_ealias): New.
237         * tree-pass.h (pass_build_ealias): Declare.
238         * passes.c (init_optimization_passes): Add PTA during 
239         early optimizations.
240         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
241         and CALLUSED solutions.
242         (dump_points_to_solution): New function, split out from ...
243         (dump_points_to_info_for): ... here.
244         * tree-parloops.c (parallelize_loops): Reset the escaped and
245         callused solutions.
247 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
249         PR bootstrap/40027
250         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
251         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
253 2009-05-25  Ira Rosen  <irar@il.ibm.com>
255         PR tree-optimization/40238
256         * tree-vect-stmts.c (vect_init_vector): Insert initialization
257         statements after basic block's labels.
258         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
259         to free the allocated memory.
261 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
263         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
264         return address with a USE.
266 2009-05-24  Richard Guenther  <rguenther@suse.de>
268         PR middle-end/40233
269         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
270         array type from the main variant of the inner type.
272 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
274         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
275         definition to bool (from int) to un-break build.
276         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
278 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
280         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
281         discard_stmt_changes): Delete.
282         * tree-ssa-operands.c (scb_stack): Delete.
283         (init_ssa_operands): Do not initialize it.
284         (fini_ssa_operands): Do not free it.
285         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
287         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
288         update_stmt, remove the others.  Fix comments.
289         * tree-dfa.c (optimize_stack_restore): Likewise.
290         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
291         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
292         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
293         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
294         Likewise.
295         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
296         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
297         (dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
298         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
299         (stmts_to_rescan): Change item type to gimple.
300         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
302 2009-05-24  Ira Rosen  <irar@il.ibm.com>
304         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
305         * tree-pass.h (pass_slp_vectorize): New pass.
306         * params.h (SLP_MAX_INSNS_IN_BB): Define.
307         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
308         * tree-vectorizer.c (timevar.h): Include.
309         (user_vect_verbosity_level): Declare.
310         (vect_location): Fix comment.
311         (vect_set_verbosity_level): Update user_vect_verbosity_level
312         instead of vect_verbosity_level.
313         (vect_set_dump_settings): Add an argument. Ignore user defined
314         verbosity if dump flags require higher level of verbosity. Print to
315         stderr only for loop vectorization.
316         (vectorize_loops): Update call to vect_set_dump_settings.
317         (execute_vect_slp): New function.
318         (gate_vect_slp): Likewise.
319         (struct gimple_opt_pass pass_slp_vectorize): New.
320         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
321         access its members.
322         (vec_info_for_bb): New function.
323         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
324         (VECTORIZATION_ENABLED): New macro.
325         (SLP_ENABLED, SLP_DISABLED): Likewise.
326         (vect_is_simple_use): Add bb_vec_info argument.
327         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
328         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
329         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
330         vect_schedule_slp, vect_analyze_slp): Likewise.
331         (vect_analyze_stmt): Add slp_tree argument.
332         (find_bb_location): Declare.
333         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
334         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
335         (vect_analyze_loop_operations, vect_analyze_loop,
336         get_initial_def_for_induction, vect_create_epilog_for_reduction,
337         vect_finalize_reduction, vectorizable_reduction,
338         vectorizable_live_operation, vect_transform_loop): Likewise.
339         * tree-data-ref.c (dr_analyze_innermost): Update comment,
340         skip evolution analysis if analyzing a basic block.
341         (dr_analyze_indices): Likewise.
342         (initialize_data_dependence_relation): Skip the test whether the
343         object is invariant for basic blocks.
344         (compute_all_dependences): Skip dependence analysis for data
345         references in basic blocks.
346         (find_data_references_in_stmt): Don't fail in case of invariant
347         access in basic block.
348         (find_data_references_in_bb): New function.
349         (find_data_references_in_loop): Move code to
350         find_data_references_in_bb and add a call to it.
351         (compute_data_dependences_for_bb): New function.
352         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
353         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
354         that STEP is 0.
355         (vect_analyze_data_ref_dependence): Check for interleaving in case of
356         unknown dependence in basic block and fail in case of dependence in
357         basic block.
358         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
359         dependence instances from either loop or basic block vectorization
360         info.
361         (vect_compute_data_ref_alignment): Check if it is loop vectorization
362         before calling nested_in_vect_loop_p.
363         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
364         dependence instances from either loop or basic block vectorization
365         info.
366         (vect_verify_datarefs_alignment): Likewise.
367         (vect_enhance_data_refs_alignment): Adjust function calls.
368         (vect_analyze_data_refs_alignment): Likewise.
369         (vect_analyze_group_access): Fix printing. Skip different checks if
370         DR_STEP is 0. Keep strided stores either in loop or basic block
371         vectorization data structure. Fix indentation.
372         (vect_analyze_data_ref_access): Fix comments, allow zero step in
373         basic blocks.
374         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
375         dependence instances from either loop or basic block vectorization
376         info.
377         (vect_analyze_data_refs): Update comment. Call
378         compute_data_dependences_for_bb to analyze basic blocks.
379         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
380         case of loop vectorization. In case of basic block vectorization use
381         data-ref itself as a base.
382         (vect_create_data_ref_ptr): In case of basic block vectorization:
383         don't advance the pointer, add new statements before the current
384         statement.  Adjust function calls.
385         (vect_supportable_dr_alignment): Support only aligned accesses in
386         basic block vectorization.
387         * common.opt (ftree-slp-vectorize): New flag.
388         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
389         (vect_pattern_recog_1): Likewise.
390         * tree-vect-stmts.c (process_use): Likewise.
391         (vect_init_vector): Add new statements in the beginning of the basic
392         block in case of basic block SLP.
393         (vect_get_vec_def_for_operand): Adjust function calls.
394         (vect_finish_stmt_generation): Likewise.
395         (vectorizable_call): Add assert that it is loop vectorization, adjust
396         function calls.
397         (vectorizable_conversion, vectorizable_assignment): Likewise.
398         (vectorizable_operation): In case of basic block SLP, take
399         vectorization factor from statement's type and skip the relevance
400         check. Adjust function calls.
401         (vectorizable_type_demotion): Add assert that it is loop
402         vectorization, adjust function calls.
403         (vectorizable_type_promotion): Likewise.
404         (vectorizable_store): Check for outer loop only in case of loop
405         vectorization. Adjust function calls. For basic blocks, skip the
406         relevance check and don't advance pointers.
407         (vectorizable_load): Likewise.
408         (vectorizable_condition): Add assert that it is loop vectorization,
409         adjust function calls.
410         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
411         that it is not reduction, get vector type, call only supported
412         functions, skip loop specific parts.
413         (vect_transform_stmt): Check for outer loop only in case of loop
414         vectorization.
415         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
416         (vect_is_simple_use): Fix comment, add new argument, fix conditions
417         for external definition.
418         * passes.c (pass_slp_vectorize): New pass.
419         * tree-vect-slp.c (find_bb_location): New function.
420         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
421         check for patterns only in loops.
422         (vect_build_slp_tree): Add argument, adjust function calls, fail in
423         case of multiple types in basic block SLP.
424         (vect_mark_slp_stmts_relevant): New function.
425         (vect_supported_load_permutation_p): Fix comment.
426         (vect_analyze_slp_instance): Add argument. In case of basic block
427         SLP, take vectorization factor from statement's type, check that
428         unrolling factor is 1. Adjust function call. Save SLP instance in
429         either loop or basic block vectorization structure. Return FALSE,
430         if SLP failed.
431         (vect_analyze_slp): Add argument. Get strided stores groups from
432         either loop or basic block vectorization structure. Return FALSE
433         if basic block SLP failed.
434         (new_bb_vec_info): New function.
435         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
436         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
437         (vect_schedule_slp): Add argument. Get SLP instances from either
438         loop or basic block vectorization structure. Set vectorization factor
439         to be 1 for basic block SLP.
440         (vect_slp_transform_bb): New function.
441         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
443 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
445         * final.c (shorten_branches): Do not align labels for jump tables.
446         (final_scan_insn): Use JUMP_TABLE_DATA_P.
448 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
450         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
451         Remove outdated reference to flow.c and fix nits.
452         * doc/gccint.texi: Tweak RTL description.
453         * doc/rtl.texi: Likewise.
455 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
457         * config/avr/avr.c: Change my email address.
458         * config/avr/avr.h: Likewise.
459         * config/avr/avr.md: Likewise.
460         * config/avr/avr-protos.h: Likewise.
461         * config/avr/libgcc.S: Likewise.
463 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
465         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
466         (spu_split_load, spu_split_store): Change return type to int.
467         (spu_split_convert): Declare.
468         * config/spu/predicates.md (spu_mem_operand): Remove.
469         (spu_mov_operand): Update.
470         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
471         * config/spu/spu.c (regno_aligned_for_load): Remove.
472         (reg_aligned_for_addr, spu_expand_load): Define.
473         (spu_expand_extv): Reimplement and handle MEM.
474         (spu_expand_insv): Handle MEM.
475         (spu_sched_reorder): Handle insn's with length 0.
476         (spu_legitimate_address_p): Reimplement.
477         (store_with_one_insn_p): Return TRUE for any mode with size
478         larger than 16 bytes.
479         (address_needs_split): Define.
480         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
481         operands.
482         (spu_convert_move): Define.
483         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
484         (spu_split_store): Change all MEM's to TImode.
485         (spu_init_expanders): Preallocate registers that correspond to
486         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
487         mark_reg_pointer.
488         (spu_split_convert): Define.
489         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
490         (_move<mode>, _movdi, _movti): Update predicate and condition.
491         (load, store): Change to define_split.
492         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
493         extend<mode>ti2.
494         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
495         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
496         define_insn_and_split of lshr<mode>3.
497         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
498         (<v>ashr<mode>3_imm): Define.
499         (extv, extzv, insv): Allow MEM operands.
500         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
501         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
502         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
503         (_spu_convert2): Change to define_insn_and_split and remove the
504         corresponding define_peephole2.
505         (stack_protect_set, stack_protect_test, stack_protect_test_si):
506         Change predicates to memory_operand.
508 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
510         * config/arm/thumb2.md: Add 16-bit multiply instructions.
512 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
514         PR tree-optimization/40219
515         * tree.c (iterative_hash_expr): Make sure the builtin function is
516         a normal builtin function and not a front end or back end builtin
517         before indexing into the built_in_decls array.
519 2009-05-22  Richard Guenther  <rguenther@suse.de>
521         PR middle-end/38964
522         * alias.c (write_dependence_p): Do not use TBAA for answering
523         anti-dependence or output-dependence.
524         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
525         (emit_pointer_definition): Remove.
526         (emit_alias_warning): Likewise.
527         (find_what_var_points_to): Remove TBAA pruning code.
528         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
529         violations.
530         (compute_points_to_sets): Remove code computing the set of
531         dereferenced pointers.
532         * tree-data-ref.c (dr_may_alias_p): Properly use the split
533         oracle for querying anti and output dependencies.
534         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
535         if TBAA may be applied.
536         (refs_anti_dependent_p): New function.
537         (refs_output_dependent_p): Likewise.
538         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
539         (refs_output_dependent_p): Likewise.
540         * doc/tree-ssa.texi (Memory model): New section.
541         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
542         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
543         * cfgexpand.c (expand_gimple_basic_block): Do not handle
544         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
545         * expr.c (expand_expr_real_1): Likewise.
546         * gimple-low.c (lower_stmt): Likewise.
547         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
548         (dump_gimple_cdt): Remove.
549         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
550         (gimple_size): Likewise.
551         (walk_gimple_op): Likewise.
552         (is_gimple_stmt): Likewise.
553         (walk_stmt_load_store_addr_ops): Likewise.
554         (gimple_build_cdt): Remove.
555         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
556         * gimple.h (gimple_cdt_new_type): Remove.
557         (gimple_cdt_new_type_ptr): Likewise.
558         (gimple_cdt_set_new_type): Likewise.
559         (gimple_cdt_location): Likewise.
560         (gimple_cdt_location_ptr): Likewise.
561         (gimple_cdt_set_location): Likewise.
562         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
563         * tree-cfg.c (remove_useless_stmts_1): Do not handle
564         GIMPLE_CHANGE_DYNAMIC_TYPE.
565         (verify_types_in_gimple_stmt): Likewise.
566         * tree-inline.c (estimate_num_insns): Likewise.
567         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
568         (copy_decl_to_var): Likewise.
569         (copy_result_decl_to_var): Likewise.
570         * tree-pretty-print.c (dump_generic_node): Do not handle
571         CHANGE_DYNAMIC_TYPE_EXPR.
572         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
573         * tree-ssa-operands.c (get_expr_operands): Likewise.
574         * tree-ssa-structalias.c (struct variable_info): Remove
575         no_tbaa_pruning member.
576         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
577         (unify_nodes): Do not copy it.
578         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
579         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
580         (set_uids_in_ptset): Do not check it.
581         (find_what_var_points_to): Likewise.
582         (compute_tbaa_pruning): Remove.
583         (compute_points_to_sets): Do not call it.
584         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
585         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
586         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
587         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
588         (DECL_NO_TBAA_P): Likewise.
589         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
590         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
591         (expand_omp_atomic_pipeline): Do not set it.
592         * print-tree.c (print_node): Do not dump it.
593         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
594         redundant check.
596 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
598         PR target/39856
599         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
600         for clobber.
602 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
604         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
605         non-external.
607 2009-05-22  Ben Elliston  <bje@au.ibm.com>
609         * Makefile.in (bversion.h, s-bversion): New targets.
610         (TOPLEV_H): Add bversion.h.
611         * toplev.h: Include "bversion.h".
612         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
613         the __format__ attribute only if compiling with the same version
614         of GCC as the sources (the "build version").
616 2009-05-22  Ben Elliston  <bje@au.ibm.com>
618         * c-format.c (handle_format_attribute): Fix comment typo.
620 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
622         PR target/37846
623         * config/ia64/ia64.opt (mfused-madd): New.
624         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
625         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
626         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
627         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
628         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
629         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
630         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
631         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
632         instruction if !TARGET_FUSED_MADD.
633         (fpma, fpms): Remove colon from name.
635 2009-05-22  Richard Guenther  <rguenther@suse.de>
637         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
638         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
639         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
640         TARGET_MEM_REF.
641         (create_expression_by_pieces): Only convert if necessary.
642         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
643         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
645 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
647         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
648         regular pattern from a template and rename it ...
649         (*extzv_truncsi_exts): ... to this.
651 2009-05-21  Richard Guenther  <rguenther@suse.de>
653         * cgraph.h (struct cgraph_node): Remove inline_decl member.
654         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
655         (cgraph_default_inline_p): Likewise.
656         (cgraph_decide_inlining_incrementally): Likewise.
658 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
659             Uros Bizjak  <ubizjak@gmail.com>
661         * config/i386/cpuid.h (bit_MOVBE): New.
663         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
665         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
666         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
667         (ix86_handle_option): Handle OPT_mmovbe.
668         (ix86_target_string): Add -mmovbe.
669         (pta_flags): Add PTA_MOVBE.
670         (processor_alias_table): Add PTA_MOVBE to "atom".
671         (override_options): Handle PTA_MOVBE.
673         * config/i386/i386.h (TARGET_MOVBE): New.
675         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
676         (*bswapsi_movbe): New.
677         (*bswapdi_movbe): Likewise.
678         (bswapdi2): Renamed to ...
679         (*bswapdi_1): This.
680         (bswapdi2): New expander.
682         * config/i386/i386.opt (mmovbe): New.
684         * doc/invoke.texi: Document -mmovbe.
686 2009-05-21  Taras Glek  <tglek@mozilla.com>
688         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
689         * gcc-plugin.h (plugin_init): Updated signature.
690         * gcc-plugin.h (plugin_name_args): Moved to this header.
691         * doc/plugins.texi (plugin_init): Updated documention to reflect
692         API change.
693         * doc/plugins.texi (plugin_name_args): Added to documention.
695 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
697         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
698         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
700 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
702         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
703         JUMP_TABLE_DATA_P predicates where applicable.
704         * config/i386/predicates.md: Ditto.
705         * config/i386/sse.md: Ditto.
707 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
709         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
710         operand2 -128 override length_immediate attribute to 1.
711         * config/i386/predicates.md (constm128_operand): New predicate.
713         * config/i386/i386.c (memory_address_length): Handle %r12
714         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
715         also check REGNO.
716         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
717         mode look through optional ZERO_EXTEND and SUBREG.
718         * config/i386/i386.md (R12_REG): New define_constant.
719         (prefix_data16): For sse unit set also for MODE_TI insns.
720         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
721         insns set if operand 1 is ext_QIreg_operand.
722         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
723         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
724         immediate.
725         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
726         mode from MODE_DI to MODE_SI.
727         (movdi_1_rex64): Override modrm and length_immediate attributes
728         only for movabs (TYPE_IMOV, alternative 2).
729         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
730         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
731         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
732         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
733         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
734         prefix_rex attribute if DImode.
735         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
736         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
737         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
738         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
739         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
740         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
741         Likewise.  For TYPE_IMOV clear length_immediate attribute.
742         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
743         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
744         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
745         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
746         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
747         or one operand TYPE_ISHIFT.
748         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
749         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
750         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
751         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
752         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
753         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
754         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
755         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
756         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
757         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
758         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
759         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
760         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
761         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
762         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
763         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
764         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
765         set mode attribute, don't override length attribute.
766         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
767         to 1.
768         (return_internal_long): Set length attribute to 2 instead of 1.
769         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
770         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
771         prefix_rex attribute.
772         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
773         New predicates.
774         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
776 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
778         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
780 2009-05-20  Ian Lance Taylor  <iant@google.com>
782         * tree.c (build_tree_list_vec_stat): New function.
783         (ctor_to_vec): New function.
784         (build_nt_call_vec): New function.
785         (build_call_array): Change args to be a const pointer.
786         (build_call_vec): New function.
787         * tree.h (build_nt_call_vec): Declare.
788         (build_tree_list_vec_stat): Declare.
789         (build_tree_list_vec): Define.
790         (build_call_array): Update declaration.
791         (build_call_vec): Declare.
792         (ctor_to_vec): Declare.
793         * c-common.c (tree_vector_cache): New static variable.
794         (make_tree_vector): New function.
795         (release_tree_vector): New function.
796         (make_tree_vector_single): New function.
797         (make_tree_vector_copy): New function.
798         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
799         (make_tree_vector_single, make_tree_vector_copy): Declare.
800         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
801         (c_parser_expr_list): Don't manage cache here, instead call
802         make_tree_vector.
803         (c_parser_release_expr_list): Remove static function.
804         (c_parser_vec_to_tree_list): Remove static function.
805         (c_parser_attributes): Call build_tree_list_vec instead of
806         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
807         c_parser_release_expr_list.
808         (c_parser_postfix_expression_after_primary): Likewise.
809         (c_parser_objc_keywordexpr): Likewise.
811 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
813         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
814         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
815         TARGET_CONVERT_TO_TYPE.
816         * hooks.c (hook_tree_const_tree_null): Define.
817         * hooks.h (hook_tree_const_tree_null): Declare.
818         * target.h (struct gcc_target):  Add invalid_parameter_type,
819         invalid_return_type, promoted_type, and convert_to_type fields.
820         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
821         (TARGET_INVALID_RETURN_TYPE): Define.
822         (TARGET_PROMOTED_TYPE): Define.
823         (TARGET_CONVERT_TO_TYPE): Define.
824         (TARGET_INITIALIZER): Update for new fields.
825         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
826         (grokparms): Check targetm.invalid_parameter_type.
827         * c-typeck.c (default_conversion): Check targetm.promoted_type.
828         * c-convert.c (convert): Check targetm.convert_to_type.
830 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
832         * config/mips/mips.md (*extenddi_truncate<mode>,
833         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
834         defintions.
835         (*extendhi_truncateqi): New define_insn_and_sptit.
837 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
839         PR middle-end/40204
840         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
841         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
843 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
845         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
846         the operand of VIEW_CONVERT_EXPR.
848 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
850         * config/i386/driver-i386.c (host_detect_local_cpu): Check
851         extended family and model for Intel processors.  Support Intel
852         Atom.
854 2009-05-20  Olivier Hainque  <hainque@adacore.com>
856         * gstab.h (stab_code_type): Define, to be used instead of the
857         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
858         notice.
859         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
860         occurrences by stab_code_type.
861         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
863 2009-05-20  Martin Jambor  <mjambor@suse.cz>
865         * tree-flow.h (insert_edge_copies_seq): Undeclare.
866         (sra_insert_before): Likewise.
867         (sra_insert_after): Likewise.
868         (sra_init_cache): Likewise.
869         (sra_type_can_be_decomposed_p): Likewise.
870         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
871         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
872         (sra_insert_before): Likewise.
873         (sra_insert_after): Likewise.
874         (sra_init_cache): Likewise.
875         (insert_edge_copies_seq): Made static and moved upwards.
877         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
878         case.
880         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
882         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
883         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
884         simple copies.
886 2009-05-20  Richard Guenther  <rguenther@suse.de>
888         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
889         with mismatched comparison modes.
891 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
893         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
894         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
895         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
896         with shifts for Thumb2.
897         (orsi_notsi): New for orn.
898         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
899         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
900         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
901         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
902         Don't invert remainder for IOR.
903         
904 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
906         PR tree-optimization/40087
907         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
908         number_of_iterations_ne): Rename never_infinite argument.
909         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
910         number_of_iterations_le): Handle pointer-type ivs when
911         exit_must_be_taken is false.
912         (number_of_iterations_cond):  Do not always assume that
913         exit_must_be_taken if the control variable is a pointer.
915 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
917         * c-typeck.c (build_binary_op): Allow % on integal vectors.
918         * doc/extend.texi (Vector Extension): Document that % is allowed too.
920 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
922         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
923         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
925 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
927         PR c/40172
928         * c.opt (Wlogical-op): Disabled by default.
929         * c-opt (c_common_post_options): Do not enable Wlogical-op with
930         Wextra.
931         * doc/invoke.texi (Wlogical-op): Likewise.
932         
933 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
935         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
936         into CASE_CONVERT.
937         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
938         Propagate the type of the first operand.
939         <ASSERT_EXPR>: Simplify.
940         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
941         Rewrite using the RHS code as discriminant.
942         <NOP_EXPR>: Turn into CASE_CONVERT.
943         <PLUS_EXPR>: Propagate the type of the first operand.
945 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
947         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
948         (ia64_dconst_0_375): New.
949         * config/ia64/ia64.c (ia64_override_options): Remove
950         -minline-sqrt-min-latency warning.
951         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
952         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
953         * config/ia64/ia64.md (*sqrt_approx): Remove.
954         (sqrtsf2): Remove #if 0.
955         (sqrtsf2_internal_thr): Rewrite and move to div.md.
956         (sqrtdf): Remove assert.
957         (sqrtdf2_internal_thr): Rewrite and move to div.md.
958         (sqrtxf2): Remove #if 0.
959         (sqrtxf2_internal_thr): Rewrite and move to div.md.
960         * div.md (sqrt_approx_rf): New.
961         (sqrtsf2_internal_thr): New implementation.
962         (sqrtsf2_internal_lat): New.
963         (sqrtdf2_internal_thr: New implementation.
964         (sqrtxf2_internal): New implementation.
966 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
967             Hans-Peter Nilsson  <hp@axis.com>
969         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
970         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
971         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
972         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
973         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
974         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
975         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
976         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
977         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
978         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
979         * c-common.c: ...from here.
981 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
983         * c-common.c (warn_logical_operator): Remove unnecessary
984         conditionals.
986 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
988         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
990 2009-05-19  Ben Elliston  <bje@au.ibm.com>
992         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
993         assignments with memcpy calls.
994         (add_fdes): Likewise.
995         (binary_search_unencoded_fdes): Likewise.
996         (linear_search_fdes): Eliminate type puns.
997         
998 2009-05-19  Richard Guenther  <rguenther@suse.de>
1000         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
1001         not falsely claim to have propagated into all uses.
1003 2009-05-19  Ben Elliston  <bje@au.ibm.com>
1005         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
1006         version to v3.0.
1008 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1010         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
1011         * config/sh/sh.c (sh_legitimate_address_p): Make static.
1012         (TARGET_LEGITIMATE_ADDRESS_P): New.
1013         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1014         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1015         
1016 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
1018         PR debug/40109
1019         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
1020         child of the containing namespace's DIE.
1022 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
1024         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
1025         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
1026         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
1027         extend patterns.
1029 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1031         PR target/39942
1032         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
1033         gen_align with gen_pad.
1034         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
1035         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
1037         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
1038         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
1040         * config/i386/i386.md (align): Renamed to ...
1041         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
1042         ASM_OUTPUT_MAX_SKIP_PAD.
1044 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
1046         * config.gcc: Fix variable syntax.
1048         PR target/39531
1049         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
1050         before calling exact_log2.
1051         (output_iorsi3): Likewise.
1052         (output_xorsi3): Likewise.
1054 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1056         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
1057         for the none zero constant operand except for EQ and NE
1058         comprisons even when the first operand is R0.
1060 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1062         * config/s390/2064.md: Remove trailing whitespaces.
1063         * config/s390/2084.md: Likewise.
1064         * config/s390/constraints.md: Likewise.
1065         * config/s390/fixdfdi.h: Likewise.
1066         * config/s390/libgcc-glibc.ver: Likewise.
1067         * config/s390/s390-modes.def: Likewise.
1068         * config/s390/s390-protos.h: Likewise.
1069         * config/s390/s390.c: Likewise.
1070         * config/s390/s390.h: Likewise.
1071         * config/s390/s390.md: Likewise.
1072         * config/s390/tpf-unwind.h: Likewise.
1074 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1076         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
1078 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1080         M68K TLS support.
1081         * configure.ac (m68k-*-*): Check if binutils support TLS.
1082         * configure: Regenerate.
1083         * config/m68k/predicates.md (symbolic_operand): Extend comment.
1084         * config/m68k/constraints.md (Cu): New constraint.
1085         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
1086         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
1087         (movsi): Handle TLS symbols.
1088         (addsi3_5200): Handle XTLS symbols, indent.
1089         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
1090         (m68k_tls_reference_p): Declare.
1091         (m68k_legitimize_address): Declare.
1092         (m68k_unwrap_symbol): Declare.
1093         * config/m68k/m68k.opt (mxtls): New option.
1094         * config/m68k/m68k.c (ggc.h): Include.
1095         (m68k_output_dwarf_dtprel): Implement hook.
1096         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
1097         (m68k_expand_prologue): Load GOT pointer when function needs it.
1098         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
1099         (m68k_legitimate_constant_address_p): Same.
1100         (m68k_decompose_address): Handle TLS references.
1101         (m68k_get_gp): New static function.
1102         (enum m68k_reloc): New contants.
1103         (TLS_RELOC_P): New macro.
1104         (m68k_wrap_symbol): New static function.
1105         (m68k_unwrap_symbol): New function.
1106         (m68k_final_prescan_insn_1): New static function.
1107         (m68k_final_prescan_insn): New function.
1108         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
1109         functions.
1110         (legitimize_pic_address): Handle TLS references..
1111         (m68k_tls_get_addr, m68k_get_tls_get_addr)
1112         (m68k_libcall_value_in_a0_p)
1113         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
1114         (m68k_call_m68k_read_tp): Helper variables and functions for ...
1115         (m68k_legitimize_tls_address): Handle TLS references.
1116         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
1117         New functions.
1118         (m68k_legitimize_address): Handle TLS symbols.
1119         (m68k_get_reloc_decoration): New static function.
1120         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
1121         UNSPEC_RELOC32.
1122         (m68k_output_dwarf_dtprel): Implement hook.
1123         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
1124         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
1125         m68k_call_* routines.
1126         (sched_attr_op_type): Handle TLS symbols.
1127         (gt-m68k.h): Include.
1128         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
1129         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
1131 2009-05-18  Martin Jambor  <mjambor@suse.cz>
1133         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
1134         (visit_store_addr_for_mod_analysis): New function.
1135         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
1136         (determine_cst_member_ptr): Use gimple_assign_single_p.
1137         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
1138         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
1139         operands.  Don't check number of operands of a NOP_EXPR.
1141 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
1143         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
1145 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1147         PR c/40172
1148         * c-common.c (warn_logical_operator): Don't warn if one of
1149         expression isn't always true or false.
1151 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
1153         * config/i386/biarch32.h: New file.
1154         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
1156 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
1158         * config/mips/mips.md (*zero_extend<mode>_trunchi,
1159         *zero_extend<mode>_truncqi): Merge these into ...
1160         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
1161         Name the pattern following this as *zero_extendhi_truncqi.
1163 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
1165         PR middle-end/39301
1166         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
1167         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
1168         (output_info): Make field HOST_WIDEST_INT.
1169         (print_statistics): Use HOST_WIDEST_INT_PRINT.
1170         (dump_bitmat_statistics): Same.
1172 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
1174         * config.gcc (use_gcc_stdint):  Set to wrap.
1175         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1176         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1177         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1178         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1179         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1180         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1181         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1182         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1184 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
1186         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
1187         tune_64.
1188         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
1189         Move definitions earlier.
1190         (OPT_ARCH64, OPT_ARCH32): Define.
1191         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
1192         and tune_64.
1194 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1196         PR target/40153
1197         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
1198         implies.
1200 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
1202         * arm.md (movdi2): Copy non-reg values to DImode registers.
1204 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
1206         PR target/39942
1207         * final.c (label_to_max_skip): New function.
1208         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
1209         CODE_LABEL_NUMBER <= max_labelno.
1210         * output.h (label_to_max_skip): New prototype.
1211         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
1212         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
1213         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
1214         Handle CODE_LABELs with >= 16 byte alignment or with
1215         max_skip == (1 << align) - 1.
1216         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
1217         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
1219         PR target/39942
1220         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
1221         .p2align 3 if MAX_SKIP is smaller than 7.
1222         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1224 2009-05-15  Ian Lance Taylor  <iant@google.com>
1226         * alias.c (struct alias_set_entry_d): Rename from struct
1227         alias_set_entry.  Change all uses.
1228         * except.c (struct call_site_record_d): Rename from struct
1229         call_site_record.  Change all uses.
1230         * except.h (struct eh_region_d): Rename from struct eh_region.
1231         Change all uses.
1232         * gcse.c (struct hash_table_d): Rename from struct hash_table.
1233         Change all uses.
1234         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
1235         ivtype_map_elt.  Change all uses.
1236         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
1237         Change all uses.
1238         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
1239         * graphite.h (struct name_tree_d): Rename from struct name_tree.
1240         Change all uses.
1241         (struct sese_d): Rename from struct sese.  Change all uses.
1242         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
1243         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
1244         * optabs.h (struct optab_d): Rename from struct optab.  Change all
1245         uses.
1246         (struct convert_optab_d): Rename from struct convert_optab.
1247         Change all uses.
1248         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
1249         ipa_opt_pass.  Change all uses.
1250         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
1251         all uses.
1253         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
1254         defined as a typedef.
1255         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
1256         defined as a tag.
1258 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1260         PR 16302
1261         * fold-const.c (make_range,build_range_check,merge_ranges): Move
1262         declaration to...
1263         (merge_ranges): Returns bool. 
1264         * tree.h (make_range): .. to here.
1265         (build_range_check): Likewise.
1266         (merge_ranges): Likewise. Renamed from merge_ranges.
1267         * c-typeck.c (parser_build_binary_op): Update calls to
1268         warn_logical_operator.
1269         * c-common.c (warn_logical_operator): Add new warning.
1270         * c-common.h (warn_logical_operator): Update declaration.
1271         
1272 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1274         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
1275         
1276 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1278         * doc/install.texi: Document MPC requirements, flags etc.
1280         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
1281         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
1282         Evaluate constant arguments.
1283         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
1284         (fold_builtin_1): Likewise, also evaluate constant arguments.
1285         Remove superfluous break.
1286         (do_mpc_ckconv): New.
1287         * real.h: Include mpc.h.
1288         * toplev.c (print_version): Output MPC version info if available.
1290 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1292         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
1294 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1296         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
1297         only once.
1299 2009-05-15  Jan Hubicka  <jh@suse.cz>
1301         * doc/invoke.texi (max-early-inliner-iterations): New flag.
1302         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
1303         (try_inline): Fix return value.
1304         (cgraph_decide_inlining_incrementally): Honor new value.
1305         (cgraph_early_inlining): Handle indirect inlining.
1306         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
1308 2009-05-15  Jan Hubicka  <jh@suse.cz>
1310         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
1311         * cgraphunit.c (cgraph_finalize_function): Set it.
1312         (cgraph_expand_function): Use it.
1314 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1316         * real.c (encode_ieee_half): Define.
1317         (decode_ieee_half): Define.
1318         (ieee_half_format): Define.
1319         (arm_half_format): Define.
1320         * real.h (ieee_half_format): Declare.
1321         (arm_half_format): Declare.
1323 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1325         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
1326         swapped, and reversed optabs exist before trying to use them.
1328 2009-05-15  Paul Brook  <paul@codesourcery.com>
1329             Sandra Loosemore  <sandra@codesourcery.com>
1331         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
1332         loads.  Allow PRE_DEC.
1333         (output_move_neon): Handle PRE_DEC.
1334         (arm_print_operand): Add 'A' for neon structure loads.
1335         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
1336         * config/arm/neon.md (neon_mov): Update comment.
1337         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
1338         calls.
1339         (Um): New constraint.
1341 2009-05-15  Jan Hubicka  <jh@suse.cz>
1343         Revert the following patch until testsuite fallout is fixed:
1344         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1345         * cgraph.h (struct inline_summary): New filed self_wize,
1346         size_inlining_benefit, self_time and time_inlining_benefit.
1347         (struct cgraph_global_info): Replace insns by time ans size fields.
1348         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1349         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1350         (ipcp_update_callgraph): Do not touch function bodies.
1351         * ipa-inline.c: Include except.h
1352         (MAX_TIME): New constant.
1353         (overall_insns): Remove
1354         (overall_size, max_benefit): New static variables.
1355         (cgraph_estimate_time_after_inlining): New function.
1356         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1357         (cgraph_clone_inlined_nodes): Update size.
1358         (cgraph_mark_inline_edge): Update size.
1359         (cgraph_estimate_growth): Use size info.
1360         (cgraph_check_inline_limits): Check size.
1361         (cgraph_default_inline_p): Likewise.
1362         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1363         (cgraph_decide_recursive_inlining): Check size.
1364         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1365         times.
1366         (cgraph_decide_inlining): Likewise.
1367         (cgraph_decide_inlining_incrementally): Likewise; honor
1368         PARAM_EARLY_INLINING_INSNS.
1369         (likely_eliminated_by_inlining_p): New predicate.
1370         (estimate_function_body_sizes): New function.
1371         (compute_inline_parameters): Use it.
1372         * except.c (must_not_throw_labels): New function.
1373         * except.h (must_not_throw_labels): Declare.
1374         * tree-inline.c (init_inline_once): Kill inlining_weigths
1375         * tree-ssa-structalias.c: Avoid uninitialized warning.
1376         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1377         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1378         (PARAM_INLINE_CALL_COST): Remove.
1379         (PARAM_EARLY_INLINING_INSNS): New.
1381 2009-05-15  Richard Guenther  <rguenther@suse.de>
1383         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
1384         not TODO_update_ssa.
1386 2009-05-15  Richard Guenther  <rguenther@suse.de>
1388         PR tree-optimization/39999
1389         * gimple.h (gimple_expr_type): Use the expression type looking
1390         through useless conversions.
1391         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
1392         (vn_nary_op_insert_stmt): Likewise.
1393         (simplify_binary_expression): Likewise.
1395 2009-05-15  Richard Guenther  <rguenther@suse.de>
1397         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1398         New options, enabled by default.
1399         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1400         Document.
1401         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
1402         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
1403         * tree-ssa-structalias.c (gate_tree_pta): New function.
1404         (pass_build_alias): Use it.
1406 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
1408         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
1409         recurse on an invariant address if a conversion from a pointer
1410         type to a wider integer type is involved.
1412 2009-05-15  Jan Hubicka  <jh@suse.cz>
1414         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1415         * cgraph.h (struct inline_summary): New filed self_wize,
1416         size_inlining_benefit, self_time and time_inlining_benefit.
1417         (struct cgraph_global_info): Replace insns by time ans size fields.
1418         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1419         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1420         (ipcp_update_callgraph): Do not touch function bodies.
1421         * ipa-inline.c: Include except.h
1422         (MAX_TIME): New constant.
1423         (overall_insns): Remove
1424         (overall_size, max_benefit): New static variables.
1425         (cgraph_estimate_time_after_inlining): New function.
1426         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1427         (cgraph_clone_inlined_nodes): Update size.
1428         (cgraph_mark_inline_edge): Update size.
1429         (cgraph_estimate_growth): Use size info.
1430         (cgraph_check_inline_limits): Check size.
1431         (cgraph_default_inline_p): Likewise.
1432         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1433         (cgraph_decide_recursive_inlining): Check size.
1434         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1435         times.
1436         (cgraph_decide_inlining): Likewise.
1437         (cgraph_decide_inlining_incrementally): Likewise; honor
1438         PARAM_EARLY_INLINING_INSNS.
1439         (likely_eliminated_by_inlining_p): New predicate.
1440         (estimate_function_body_sizes): New function.
1441         (compute_inline_parameters): Use it.
1442         * except.c (must_not_throw_labels): New function.
1443         * except.h (must_not_throw_labels): Declare.
1444         * tree-inline.c (init_inline_once): Kill inlining_weigths
1445         * tree-ssa-structalias.c: Avoid uninitialized warning.
1446         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1447         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1448         (PARAM_INLINE_CALL_COST): Remove.
1449         (PARAM_EARLY_INLINING_INSNS): New.
1450         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
1451         (inline-call-cost): Remove.
1452         (early-inlining-insns): New.
1454 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1456         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
1457         for bounds.
1458         (print_int_cst_bounds_in_octal_p): Likewise.
1459         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
1460         with subtypes.
1461         * dwarf2out.c (base_type_die): Likewise.
1462         (is_subrange_type): Delete.
1463         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
1464         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
1465         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
1466         the destination type is boolean.
1467         (build_range_check): Do not special-case subtypes.
1468         (fold_sign_changed_comparison): Likewise.
1469         (fold_unary): Likewise.
1470         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
1471         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
1472         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
1473         * tree.c (subrange_type_for_debug_p): New predicate based on the former
1474         is_subrange_type.
1475         * tree.h (subrange_type_for_debug_p): Declare.
1476         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
1477         (convert_affine_scev): Remove call to above function.
1478         (chrec_convert_aggressive): Likewise.
1479         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
1480         false for conversions involving subtypes.
1481         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
1482         (vrp_val_min): Likewise.
1483         (needs_overflow_infinity): Likewise.
1484         (extract_range_from_unary_expr): Likewise.
1486 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
1488         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1489         * config/frv/frv.c: Likewise.
1490         * config/s390/s390.c: Likewise.
1491         * config/sparc/sparc.h: Likewise.
1492         * config/i386/i386.h: Likewise.
1493         * config/i386/i386.c: Likewise.
1494         * config/crx/crx.c: Likewise.
1495         * config/m68hc11/m68hc11.h: Likewise.
1496         * config/iq2000/iq2000.c: Likewise.
1497         * config/mn10300/mn10300.h: Likewise.
1498         * config/mn10300/mn10300.c: Likewise.
1499         * config/m68k/m68k.c: Likewise.
1500         * config/rs6000/rs6000.c: Likewise.
1501         * config/rs6000/xcoff.h: Likewise.
1502         * config/rs6000/linux64.h: Likewise.
1503         * config/rs6000/sysv4.h: Likewise.
1504         * config/score/score3.c: Likewise.
1505         * config/score/score7.c: Likewise.
1506         * config/score/score.c: Likewise.
1507         * config/arm/arm.md: Likewise.
1508         * config/mips/mips.c: Likewise.
1509         * config/mips/mips.md: Likewise.
1510         * config/bfin/bfin.h: Likewise.
1511         * config/pa/pa.c: Likewise.
1512         * config/pa/constraints.md: Likewise.
1514         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
1515         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
1516         * config/pdp11/pdp11.h: Use memory_address_p instead.
1518 2009-05-14  Ian Lance Taylor  <iant@google.com>
1520         * passes.c (finish_optimization_passes): Change i to int.
1521         * plugin.c (plugins_active_p): Change event to int.
1522         (dump_active_plugins): Likewise.
1523         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
1524         Add cast.
1525         * tree.c (tree_range_check_failed): Change c to unsigned int.
1526         (omp_clause_range_check_failed): Likewise.
1527         (build_common_builtin_nodes): Change mode to int.  Add cast.
1528         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
1529         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
1531         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
1532         ++ or -- with a variable of enum type.
1534 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1536         PR driver/40144
1537         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
1539 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1541         * store-motion.c: Do not include params.h
1542         * Makefile.in: Fix dependencies for various files.
1544 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1546         * auto-inc-dec.c: Fix pass description, remove apparent
1547         accidental duplication.
1549 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1551         PR middle-end/40147
1552         * ipa-utils.h (memory_identifier_string): Moved to ...
1553         * tree.h (memory_identifier_string): Here.  Add GTY(()).
1555 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1557         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
1558         in the former documentation of...
1559         (GO_IF_LEGITIMATE_ADDRESS): ... this.
1560         * ira-conflicts.c (get_dup_num): Use address_operand.
1561         * targhooks.c (default_legitimate_address_p): New.
1562         * targhooks.h (default_legitimate_address_p): New.
1563         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
1564         Call hook.
1565         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
1566         * target.h (struct target): Add legitimate_address_p.
1567         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
1568         (TARGET_INITIALIZER): Include it.
1570         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1571         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
1572         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
1573         (TARGET_LEGITIMATE_ADDRESS_P): New.
1575         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1576         (REG_OK_STRICT_P): Delete.
1577         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
1578         (frv_legitimate_address_p_1): ... this.
1579         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
1580         (frv_legitimate_address_p_1): ... the renamed old
1581         frv_legitimate_address_p.
1582         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
1583         (TARGET_LEGITIMATE_ADDRESS_P): New.
1585         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1586         * config/s390/s390-protos.h (legitimate_address_p): Remove.
1587         * config/s390/s390.c (legitimate_address_p): Rename to...
1588         (s390_legitimate_address_p): ... this, make static.
1589         (legitimize_address): Adjust call.
1590         (TARGET_LEGITIMATE_ADDRESS_P): New.
1591         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
1593         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1594         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
1595         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
1596         (TARGET_LEGITIMATE_ADDRESS_P): New.
1598         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1599         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
1600         * config/spu/spu.c (spu_legitimate_address): Rename to...
1601         (spu_legitimate_address_p): ... this, make static.
1602         (TARGET_LEGITIMATE_ADDRESS_P): New.
1604         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1605         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
1606         * config/sparc/sparc.c (legitimate_address_p): Rename to...
1607         (sparc_legitimate_address_p): ... this, make static and return bool.
1608         (legitimize_address): Adjust call.
1609         (TARGET_LEGITIMATE_ADDRESS_P): New.
1611         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1612         * config/i386/i386-protos.h (legitimate_address_p): Remove.
1613         * config/i386/i386.c (legitimate_address_p): Rename to...
1614         (ix86_legitimate_address_p): ... this, make static.
1615         (constant_address_p): Move after it, adjust call.
1616         (TARGET_LEGITIMATE_ADDRESS_P): New.
1618         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1619         * config/avr/avr-protos.h (legitimate_address_p): Remove.
1620         * config/avr/avr.c (legitimate_address_p): Rename to...
1621         (avr_legitimate_address_p): ... this, make static.
1622         (legitimize_address): Adjust call.
1623         (TARGET_LEGITIMATE_ADDRESS_P): New.
1625         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1626         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
1627         * config/crx/crx.c (crx_legitimate_address_p): Make static.
1628         (TARGET_LEGITIMATE_ADDRESS_P): New.
1630         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1631         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
1632         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
1633         (TARGET_LEGITIMATE_ADDRESS_P): New.
1635         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1636         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
1637         Remove.
1638         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1639         Make static.
1640         (TARGET_LEGITIMATE_ADDRESS_P): New.
1642         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1643         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
1644         Remove.
1645         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
1646         Rename to...
1647         (m68hc11_legitimate_address_p): ... this, make static.
1648         (go_if_legitimate_address_internal): Rename to...
1649         (m68hc11_legitimate_address_p_1): ... this.
1650         (legitimize_address): Adjust call.
1651         (TARGET_LEGITIMATE_ADDRESS_P): New.
1653         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1654         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
1655         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
1656         (TARGET_LEGITIMATE_ADDRESS_P): New.
1658         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1659         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
1660         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
1661         (mn10300_legitimate_address_p): ... this, make static.
1662         (TARGET_LEGITIMATE_ADDRESS_P): New.
1664         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1665         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
1666         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
1667         (TARGET_LEGITIMATE_ADDRESS_P): New.
1669         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1670         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
1671         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
1672         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1673         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
1674         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
1675         (rs6000_legitimate_address_p): ... this, make static.
1676         (TARGET_LEGITIMATE_ADDRESS_P): New.
1677         (REG_MODE_OK_FOR_BASE_P): Delete.
1678         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
1680         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1681         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
1682         Delete.
1683         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
1684         static, adjust types.
1685         (TARGET_LEGITIMATE_ADDRESS_P): New.
1687         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1688         * config/score/score.c (score_address_p): Rename to...
1689         (score_legitimate_address_p): ... this.
1690         (TARGET_LEGITIMATE_ADDRESS_P): New.
1691         * config/score/score3.c (score3_address_p): Rename to...
1692         (score3_legitimate_address_p): ... this.
1693         * config/score/score7.c (score7_address_p): Rename to...
1694         (score7_legitimate_address_p): ... this.
1696         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
1697         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
1698         GO_IF_LEGITIMATE_ADDRESS): Delete.
1699         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
1700         thumb2_legitimate_address_p): Delete.
1701         (arm_legitimate_address_p): Rename to...
1702         (arm_legitimate_address_outer_p): ... this.
1703         * config/arm/constraints.md ("Uq"): Adjust call.
1704         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
1705         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
1706         (arm_legitimate_address_outer_p): ... this.
1707         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
1708         (TARGET_LEGITIMATE_ADDRESS_P): New.
1710         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1711         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
1712         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
1713         (TARGET_LEGITIMATE_ADDRESS_P): New.
1715         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1716         * config/vax/vax-protos.h (legitimate_address_p): Remove.
1717         * config/vax/vax.c (legitimate_address_p): Rename to...
1718         (vax_legitimate_address_p): ... this, make static.
1719         (TARGET_LEGITIMATE_ADDRESS_P): New.
1721         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1722         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
1723         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
1724         (TARGET_LEGITIMATE_ADDRESS_P): New.
1726         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1727         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
1728         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
1729         (mmix_legitimate_address_p): ... this, make static.
1730         (TARGET_LEGITIMATE_ADDRESS_P): New.
1732         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1733         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
1734         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
1735         (TARGET_LEGITIMATE_ADDRESS_P): New.
1737 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1739         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
1740         of MODE_COMPLEX_INT.
1742 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1744         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
1745         LCT_NORMAL in function call.
1746         * mips-tdump.c (print_file_desc): Add cast to enum type.
1747         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
1748         (mark_stabs): Add casts to enum types.
1749         (parse_stabs_common): Add casts to enum types.
1751 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1753         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
1754         Check for invalid values of LETTER.
1756 2009-05-13  Taras Glek  <tglek@mozilla.com>
1758         * attribs.c (register_attribute): moved out attribute registration into
1759         register_attribute.
1760         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
1761         * gcc-plugin.h: Added forward decl for register_attribute.
1762         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
1763         * plugin.c (register_callback, invoke_plugin_callbacks): Added
1764         PLUGIN_ATTRIBUTES boilerplate.
1766 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
1768         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
1769         values even in sentinel and empty entries.
1770         (ms_printf_flag_specs):  Likewise.
1771         (ms_scanf_flag_specs):  Likewise.
1772         (ms_strftime_flag_specs):  Likewise.
1773         (ms_print_char_table):  Likewise.
1774         (ms_scan_char_table):  Likewise.
1775         (ms_time_char_table):  Likewise.
1777 2009-05-13  Doug Kwan  <dougkwan@google.com>
1779         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1781 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1783         * config/mips/mips.md (store): Add attributes for QI and HI.
1784         Update comment.
1785         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1786         (truncdi<mode>2): ... this new pattern.
1788 2009-05-13  Brad Hards  <bradh@kde.org>
1790         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1792 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1793             Ben Elliston <bje@au.ibm.com>
1795         PR middle-end/40035
1796         * dse.c (check_mem_read_rtx): Guard against width == -1.
1798 2009-05-13  Michael Matz  <matz@suse.de>
1800         PR middle-end/39976
1801         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1802         (trivially_conflicts_p): New function.
1803         (insert_backedge_copies): Use it.
1805 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1807         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1808         (handle_stdc_pragma): Use new enum constant names.
1809         (handle_pragma_float_const_decimal64): Ditto.
1811 2009-05-13  Ian Lance Taylor  <iant@google.com>
1813         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1814         tree.def.
1816 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1818         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1819         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1820         multilibs.
1821         * config/m68k/m68k.h (FL_UCLINUX): Define.
1823 2009-05-13  Jan Hubicka  <jh@suse.cz>
1825         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1827 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1829         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1830         unless -fschedule-insns is specified.
1832 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1834         PR target/39561
1835         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1836         TARGET_EXPAND_CBRANCHDI4.
1837         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1838         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1839         (cmpeqdi): Fix comment.
1841 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1843         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1844         (sh_legitimate_address_p): Likewise.
1845         * config/sh/sh.c (sh_legitimate_index_p): New.
1846         (sh_legitimate_address_p): Likewise.
1847         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1848         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1849         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1850         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1851         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1852         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1853         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1854         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1855         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1857 2009-05-12  Jan Hubicka  <jh@suse.cz>
1859         * tree-inline.c (estimate_operator_cost): Add operands;
1860         when division happens by constant, it is cheap.
1861         (estimate_num_insns): Loads and stores are not having cost of 0;
1862         EH magic stuff is cheap; when computing runtime cost of switch,
1863         use log2 base of amount of its cases; builtin_expect has cost of 0;
1864         compute cost for moving return value of call.
1865         (init_inline_once): Initialize time_based flags.
1866         * tree-inline.h (eni_weights_d): Add time_based flag.
1868 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1870         * df-core.c: Update head documentation.
1872 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1874         PR bootstrap/40118
1875         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1876         shadowing exisiting variable op1.
1878 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1880         PR target/37179
1881         * config/i386/driver-i386.c (processor_signatures): New enum.
1882         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1883         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1884         processor signature to detect geode processor.
1886 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1888         Revert:
1890         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1892         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1893         causes spurious differences between trunk and cond-optab branch.
1895 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1897         * dojump.c (compare_from_rtx): Delete.
1898         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1899         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1900         if the comparison does not satisfy the predicate; test predicates for
1901         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1902         further if one existing pattern fails.
1903         * expr.h (compare_from_rtx): Delete.
1904         (prepare_operand): Declare it.
1905         * optabs.c: Change "lib call" to "libcall" throughout.
1906         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1907         HAVE_conditional_trap, emit_cmp_insn): Delete.
1908         (can_compare_p): Delete cmp_optab case.
1909         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1910         Accept other parameters by value.
1911         (prepare_operand): Make non-static.
1912         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1913         other parameters by value.  Try to widen operands here based on
1914         an optab_methods argument and looking at cbranch_optab.
1915         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1916         loop.  Use cbranch_optab directly.
1917         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1918         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1919         assertion.
1920         (emit_conditional_move, emit_conditional_add): Inline what's needed
1921         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1922         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1923         with COMPARE.  Move cmov_optab and cstore_optab above
1924         with cbranch_optab, move cmp_optab down with ucmp_optab,
1925         remove tst_otpab.  Do not initialize trap_rtx.
1926         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1927         for trap code.  Do not check HAVE_conditional_trap.  Use
1928         prepare_cmp_insn.  Accept no predicate for operand 3.
1929         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1930         (OTI_ctrap, ctrap_optab): New.
1931         (tst_optab): Delete.
1932         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1933         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1934         with lookup of ctrap_optab.
1935         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1936         setcc_gen_code): Delete.
1937         (ctrap_optab): New.
1939         * combine.c (combine_simplify_rtx, simplify_set): Do not
1940         special case comparing against zero for cc0 machines.
1941         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1942         COMPARE on cc0 machines.
1943         (simplify_relational_operation): Return a new expression when
1944         a COMPARE could be removed.
1945         * final.c (final_scan_insn): Compare cc_status values
1946         against LHS of a (compare FOO (const_int 0)) cc0 source.
1947         Also check if cc_status.value is the full compare.
1949         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1950         (cstoreMM4): Document.
1951         (conditional_trap): Document ctrapMM4 instead.
1952         (sync_compare_and_swapMM): Refer to cbranchcc4.
1953         (Dependent Patterns): Eliminate obsolete information referring to
1954         the old jump optimization phase.
1955         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1956         of compares with 0 on cc0 machines.
1957         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1958         avoiding references to cc0.  Remove text about storing operands
1959         in cmpMM.
1960         * doc/tm.texi (Condition Codes): Include blurb on different
1961         condition code representations, separate into subsections for
1962         CC0, MODE_CC and conditional execution.
1964         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1965         alpha_emit_setcc): Accept operands and a machine mode.
1966         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1967         Get code/op0/op1 from operands, use machine mode argument
1968         instead of alpha_compare.fp_p.  Emit the branch here.
1969         (alpha_emit_setcc): Likewise, and return boolean.
1970         (alpha_emit_conditional_move): Likewise.  Assert that
1971         cmp_op_mode == cmp_mode, and simplify accordingly.
1972         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1973         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1974         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1975         Delete.
1976         (stack probe test): Use cbranchdi4.
1977         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1979         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1980         * config/arc/arc.h (movsicc, movsfcc): Use it.
1981         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1982         (cbranchsi4, cstoresi4): New.
1983         (cmpsi, bCC and sCC expanders): Remove. 
1985         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1986         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1987         * config/arm/predicates.md (arm_comparison_operator): Only include
1988         floating-point operators if there is a hardware floating-point unit.
1989         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1990         deferring to cbranch_cc and cstore_cc respectively.
1991         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1992         cbranch_cc, cstore_cc): New.
1993         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1994         arm_compare_op1.
1995         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1997         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1998         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1999         as an argument.
2000         (adjust_insn_length): Adjust calls.
2001         (avr_reorg): Handle (compare (foo) (const_int 0)).
2002         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
2003         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
2004         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
2005         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
2006         (bCC): Remove.
2007         (cbranchqi4, cbranchhi4, cbranchsi4): New.
2008         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
2010         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
2011         (cbranchsi4, cstorebi4, cstoresi4): New.
2012         (movbisi): This insn is duplicate, split it to zero_extend.
2013         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
2014         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
2015         (bfin_optimize_loop): Use cbranch expander.
2016         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
2017         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
2018         (bfin_bimode_comparison_operator): ... this.
2019         (bfin_direct_comparison_operator): New.
2021         * config/cris/cris.c (cris_normal_notice_update_cc): Look
2022         inside (compare FOO (const_int 0)).
2023         (cris_rtx_costs): Handle ZERO_EXTRACT.
2024         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
2025         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
2026         (*tstdi_v32): Delete.
2027         (*cmpdi_non_v32): Add M alternative for operand 1.
2028         (cmpsi, cmp<mode>): Make private.
2029         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
2030         with COMPARE.
2031         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
2033         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
2034         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
2035         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
2036         (cc_reg_operand): New.
2037         (any_cond): Delete.
2038         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
2039         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
2040         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
2041         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
2042         crx_expand_scond): Delete.
2044         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
2045         (cbranchsi4): New.
2046         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
2047         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
2049         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
2050         cstoresi4, cstoresf4, cstoredf4): New.
2051         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
2052         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2053         Receive the entire operands array.
2054         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
2055         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
2056         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2057         Get test/op0/op1 from the operands array.
2058         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
2060         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
2061         (h8300_expand_store): New.
2062         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
2063         (const_int 0)).
2064         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
2065         (h8300_expand_store): New.
2066         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
2067         or do not try to produce (set (cc0) REG).
2068         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
2069         change a compare into a move to a scratch register.  Disable some
2070         peepholes when comparing with zero.
2071         (tstsi, tsthi, tstsi, cmpqi): Make private.
2072         (cmphi): Delete.
2073         (bCC, sCC): Delete.
2074         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
2075         cstoresi4): New.
2077         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
2078         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
2079         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
2080         (ix86_emit_i387_log1p): Use cbranchxf2.
2081         (ix86_expand_setcc): Return void.
2082         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
2083         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
2084         cmp<MODEF>, cmpcc): Remove.
2085         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
2086         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
2087         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
2088         (sCC and bCC expanders): Remove.
2089         (stack_protect_test): Use cbranchcc4.
2091         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
2092         Delete.
2093         (ia64_expand_compare): Accept three rtx by reference and return void.
2094         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
2095         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
2096         from *expr.  Update *expr with the BImode comparison to do.
2097         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
2098         cmptf, bCC, sCC, conditional_trap): Delete.
2099         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
2100         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
2101         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
2102         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
2103         * config/ia64/predicates.md (ia64_cbranch_operator): New.
2105         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
2106         type of last argument.
2107         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
2108         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
2109         use machine mode argument instead of branch_type.  Remove dead
2110         code for floating-point comparisons.
2111         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
2112         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
2113         Remove.
2114         (cbranchsi4, cstoresi4): New.
2115         * config/iq2000/predicates.md (reg_or_const_operand): New.
2117         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
2118         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
2119         (b<code>_op): Rewrite to...
2120         (bcc_op): ... this, using match_operator.
2121         (s<code>_op): Rewrite to...
2122         (scc_op): ... this, using match_operator.
2123         (s<code>_24_op): Rewrite to...
2124         (scc_op_24): ... this, using match_operator.
2125         (s<code>_<mode>): Rewrite to...
2126         (cstore<mode>4): ... this, using match_operator.
2127         (s<code>_<mode>_24): Rewrite to...
2128         (cstore<mode>4_24): ... this, using match_operator.
2129         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
2130         m32c_unpend_compare, m32c_expand_scc): Delete.
2131         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
2132         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
2133         (m32c_expand_movcc): Change NE to EQ if necessary.
2134         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
2136         * config/m32r/m32r-protos.h (gen_cond_store): New.
2137         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
2138         (gen_cond_store): New, from sCC patterns.
2139         (m32r_expand_block_move): Use cbranchsi4.
2140         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
2141         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
2142         (cbranchsi4, cstoresi4): New.
2143         
2144         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
2145         Delete.
2146         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
2147         (m68hc11_notice_update_cc): Look into a compare with 0.
2148         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
2149         Delete.
2150         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
2151         cmphi, cmpqi, bCC): Delete.
2152         (cbranchsi4, cbranchhi4, cbranchqi4): New.
2153         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
2154         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
2155         sets with COMPARE.
2157         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
2158         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
2159         * config/m68k/constraints.md (H): New.
2160         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
2161         the define_insn below.
2162         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
2163         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
2164         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
2165         patterns): Wrap RHS with COMPARE.
2166         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
2167         (*cmpdi_internal): Name this pattern.
2168         (cmpdi): Change to define_insn.
2169         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
2170         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
2171         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
2172         predicate.
2173         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
2174         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
2175         (conditional_trap): Change to...
2176         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
2177         (*conditional_trap): Use the ordered_comparison_operator and
2178         const1_operand predicates.
2179         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
2180         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
2181         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
2182         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
2184         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
2185         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
2186         (mcore_gen_compare): New. 
2187         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
2188         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
2189         (mcore_gen_compare): ... this.
2190         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
2191         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
2192         (stack probe pattern): Use cbranchsi4.
2194         * config/mips/predicates.md (mips_cstore_operator): New.
2195         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
2196         * config/mips/mips.md (any_cond): Delete.
2197         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
2198         always succeed.
2199         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
2200         fixuns_truncsfdi2): Use cbranch patterns.
2201         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
2202         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
2203         Adjust call to mips_expand_conditional_branch.
2204         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
2205         cstore<GPR:mode>4.
2206         * config/mips/mips-protos.h (mips_expand_conditional_branch,
2207         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
2208         * config/mips/mips.c (cmp_operands): Delete.
2209         (mips_emit_compare): Get comparison operands from *op0/*op1.
2210         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
2211         that it succeeds.  Use op0/op1 instead of cmp_operands.
2212         (mips_expand_conditional_branch, mips_expand_conditional_move,
2213         mips_expand_conditional_trap): Likewise.
2214         (mips_block_move_loop): Use cbranch patterns. 
2215         * config/mips/mips.h (cmp_operands): Delete.
2217         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
2218         (mmix_gen_compare_reg): Just return a register in the right CC mode.
2219         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
2220         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
2221         (*cmpcc_folded): Rename to...
2222         (*cmpdi_folded): this.
2223         (*cmpcc): Rename to...
2224         (*cmps): ... this.
2225         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
2226         (bCC): Remove.
2227         (cbranchdi4): New.
2228         (cbranchdf4): New.  Handle invalid comparisons here.
2229         * config/mmix/predicates.md (float_comparison_operator): New.
2231         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
2232         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
2233         * config/mn10300/mn10300.md (tst): Delete.
2234         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
2235         Name these patterns and wrap RHS in a compare.
2236         (*cmpsi): Make this pattern private.  Include tst.
2237         (*cmpsf): Make this pattern private.
2238         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
2239         (compare with zero peepholes): Likewise.
2240         (bCC): Remove.
2241         (cbranchsi4, cbranchsf4): New.
2242         (casesi): Use cbranchsi4.
2244         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
2245         hppa_branch_type): Delete.
2246         (return_addr_rtx): Use cbranchsi4.
2247         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
2248         Emit CCFPmode comparison here.
2249         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
2250         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
2251         hppa_branch_type): Delete.
2252         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
2253         (movsicc, movdicc): Remove references to hppa_compare_op0,
2254         hppa_compare_op1 and compare_from_rtx.
2255         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
2256         (casesi): Use cbranchsi4.
2258         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
2259         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
2260         * config/pdp11/pdp11.md (register_or_const0_operand): New.
2261         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
2262         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
2263         (bCC): Delete.
2264         (cbranchdf4, cbranchhi4, cbranchqi4): New.
2265         (*branch, *branch_inverted): New.
2267         * config/picochip/picochip.md (cbranchhi4): Use
2268         ordered_comparison_operator.
2269         (cmphi, bCC): Remove.
2271         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
2272         (trap_comparison_operator): Delete.
2273         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
2274         rs6000_emit_cbranch): Accept mode and operands.
2275         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
2276         rs6000_compare_fp_p): Delete.   
2277         (rs6000_generate_compare): Accept mode and comparison.  Extract code
2278         and op0/op1 from there.  Replace references to rs6000_compare_op0
2279         and rs6000_compare_op1.
2280         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
2281         extract result from passed operands.
2282         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
2283         extract loc from passed operands.
2284         (rs6000_emit_cmove): Likewise.
2285         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
2286         rs6000_compare_fp_p): Delete.
2287         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
2288         (cbranch<GPR>4, cbranch<FP>4): New.
2289         (cstore<mode>4): New.  Consolidate here all choices about when to use
2290         portable or specialized sCC sequences.
2291         (stack_protect_test): Use cbranchsi4.
2292         (conditional_trap): Replace with ctrap<GPR>4.
2293         (conditional trap insn): Replace trap_comparison_operator with
2294         ordered_comparison_operator. 
2296         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
2297         (s390_emit_prologue): Use ctrap.
2298         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
2299         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
2300         New predicates replacing...
2301         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
2302         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
2303         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
2304         (add<mode>cc): Do not use s390_compare_op0/op1.
2305         (s<code>): Change to...
2306         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
2307         (seq): Change to...
2308         (cstorecc4): ... this.  Handle EQ or NE equally.
2309         (*sne): Un-privatize for use in cstorecc4.
2310         (b<code>): Change to...
2311         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
2312         (conditional_trap): Replace with...
2313         (ctrap<GPR>4, ctrap<FP>4): ... these.
2314         (stack_protect): Use cbranchcc4.
2316         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
2317         * config/score/score-protos.h (score_gen_cmp): Delete.
2318         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
2319         (score_block_move-loop): Use cbranchsi4.
2320         * config/score/score.md (cbranchsi4): New.
2321         (cmpsi, bCC): Delete.
2322         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
2323         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2324         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
2325         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2326         * config/score/score3.h (score3_gen_cmp): Delete.
2327         * config/score/score7.h (score7_gen_cmp): Delete.
2329         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
2330         (sh_emit_scc_to_t): ... this.  Return void.
2331         (from_compare): Rename to...
2332         (sh_emit_compare_and_branch): ... this.
2333         (sh_emit_compare_and_set): New.
2334         (sh_expand_t_scc): Accept operands.
2335         * config/sh/predicates.md (sh_float_comparison_operator): New.
2336         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
2337         (prepare_scc_operands): Rename to...
2338         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
2339         arguments.
2340         (sh_emit_cheap_store_flag): New.
2341         (sh_emit_set_t_insn): New.
2342         (from_compare): Rename to...
2343         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
2344         handling of TARGET_SH2E floating point to avoid recursive call.
2345         Generate branch here.
2346         (sh_emit_compare_and_set): New.
2347         (sh_expand_t_scc): Get op0/op1 from arguments.
2348         (sh_emit_cheap_store_flag): New.
2349         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
2350         cases.
2351         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
2352         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
2353         (movsicc, movdicc): Do nothing when it recreated operands from
2354         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
2355         prepare_scc_operands (now sh_emit_scc_to_t).
2356         (udivdi3): Use cstoresi4.
2357         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
2358         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
2359         (cbranchint4_media, cbranchfp4_media): New.
2360         (casesi): Use cbranchdi4.
2361         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
2362         Delete.
2363         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
2364         (movnegt): Remove second operand.
2365         (cbranchsf4, cbranchdf4): New.
2366         (stack_protect): Use cbranchdi4/cbranchsi4.
2368         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
2369         (gen_compare_reg): Accept comparison, extract part of it to...
2370         (gen_compare_reg_1): ... this. 
2371         (gen_compare_operator): Delete.
2372         (gen_v9_scc): Accept separate destination, comparison code and arms.
2373         Do not use sparc_compare_op0/sparc_compare_op1.
2374         (emit_scc_insn, emit_conditional_branch_insn): New.
2375         (emit_v9_brxx): Make static.  Remove useless assertion.
2376         (sparc_emit_float_lib_cmp): Return RTL instead of calling
2377         emit_cmp_insn.
2378         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
2379         * config/sparc/sparc-protos.h (gen_compare_reg,
2380         sparc_emit_float_lib_cmp): Adjust prototype.
2381         (emit_scc_insn, emit_conditional_branch_insn): New.
2382         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
2383         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
2384         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
2385         iterators to the top.
2386         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
2387         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
2388         snedi_special_trunc): Delete.
2389         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
2390         and snedi_special_trunc.
2391         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
2392         cbranchdi4, cbranch<F:mode>4): New.
2393         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
2394         here.  Use gen_compare_reg instead of gen_compare_operator.
2395         (conditional_trap): Replace with...
2396         (ctrapsi4, ctrapdi4): ... this.
2397         (stack_protect_test): Use cbranchcc4.
2399         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
2400         argument to rtx.
2401         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
2402         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
2403         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
2404         from operands[0] or operands[3] depending on is_set.
2405         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
2406         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
2407         cmpdf, bCC), sCC: Remove.
2408         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
2409         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
2410         cstoredf4): New.
2411         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
2412         spu_emit_branch_or_set.
2414         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
2415         Add two arguments.
2416         * config/stormy16/stormy16.h (xstormy16_compare_op0,
2417         xstormy16_compare_op1): Delete.
2418         * config/stormy16/stormy16.c (xstormy16_compare_op0,
2419         xstormy16_compare_op1): Delete. 
2420         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
2421         Adjust calls.
2422         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
2423         (cmphi, cmpsi, bCC): Remove.
2425         * config/v850/v850.md (tstsi, cmpsi): Fold into...
2426         (*cmpsi): ... this one.
2427         (cbranchsi4, cstoresi4): New.
2428         (bCC expanders): Delete.
2429         (sCC insns): Fold into...
2430         (*setcc): ... this one.
2431         (casesi): Do not use gen_cmpsi and gen_bgtu. 
2432         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
2433         (movsicc): Simplify.
2434         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
2436         * config/vax/vax-protos.h (cond_name): New.
2437         (vax_output_conditional_branch): Remove.
2438         * config/vax/vax.c (cond_name): New.
2439         (vax_output_conditional_branch): Remove.
2440         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
2441         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
2442         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
2443         (bit<VAXint>): Wrap source with (compare).
2444         (b<code> and following unnamed pattern): Rename to *branch and
2445         *branch_reversed.  Change macroization to match_operator.
2446         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
2448         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
2449         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
2450         Change last argument to machine_mode.
2451         (xtensa_expand_scc): Add machine_mode argument.
2452         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
2453         (gen_conditional_move, xtensa_expand_conditional_branch,
2454         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
2455         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
2456         Adjust operand numbers.
2457         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
2458         Delete.
2459         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
2460         (cmpsi, cmpsf, b<code>, s<code>): Delete.
2461         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
2463 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2465         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2466         causes spurious differences between trunk and cond-optab branch.
2468 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2470         PR target/37137
2471         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
2473 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2475         * tree.c (iterative_hash_pointer): Delete.
2476         (iterative_hash_expr): Short-circuit handling of NULL pointer.
2477         Hash UIDs and versions of SSA names.  Don't special-case built-in
2478         function declarations.
2480 2009-05-11  Ian Lance Taylor  <iant@google.com>
2482         PR bootstrap/40103
2483         * graphite.c: Force -Wc++-compat to only be a warning before
2484         #including "cloog/cloog.h".
2486 2009-05-11  Martin Jambor  <mjambor@suse.cz>
2488         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2489         
2490 2009-05-11  Jan Hubicka  <jh@suse.cz>
2492         * tree-ssa-loop-ivcanon.c: Include target.h
2493         (struct loop_size): new structure.
2494         (constant_after_peeling): New predicate.
2495         (tree_estimate_loop_size): New function.
2496         (estimated_unrolled_size): Rewrite for new estimates.
2497         (try_unroll_loop_completely): Use new estimates.
2498         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
2500 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2502         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
2503         libcpp interface change.
2504         (spu_macro_to_expand): Likewise.
2506 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2508         PR tree-optimization/40026
2509         * gimplify.c (gimplify_init_constructor): Change initial conditional
2510         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
2511         optimize_compound_literals_in_ctor.
2513 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2515         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
2516         New devices.
2517         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
2519 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2521         * tree-vect-data-refs.c (vect_analyze_group_access): Use
2522         HOST_WIDE_INT for gap.
2524 2009-05-11  Ira Rosen  <irar@il.ibm.com>
2526         PR tree-optimization/40074
2527         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
2528         account in group size and step comparison.
2530 2009-05-11  Richard Guenther  <rguenther@suse.de>
2532         * passes.c (init_optimization_passes): Strip now incorrect comment.
2533         (execute_function_todo): Do not set PROP_alias.
2534         * tree-pass.h (PROP_alias): Remove.
2535         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
2536         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
2537         * tree-nrv.c (pass_return_slot): Likewise.
2538         * tree-object-size.c (pass_object_sizes): Likewise.
2539         * tree-ssa-dom.c (pass_dominator): Likewise.
2540         (pass_phi_only_cprop): Likewise.
2541         * tree-ssa-dse.c (pass_dse): Likewise.
2542         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2543         (pass_cselim): Likewise.
2544         * tree-ssa-pre.c (pass_pre): Likewise.
2545         (pass_fre): Likewise.
2546         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2547         * tree-ssa-sink.c (pass_sink_code): Likewise.
2548         * tree-stdarg.c (pass_stdarg): Likewise.
2549         * tree-tailcall.c (pass_tail_calls): Likewise.
2550         * tree-vrp.c (pass_vrp): Likewise.
2552 2009-05-10  Ian Lance Taylor  <iant@google.com>
2554         * basic-block.h (enum profile_status): Break out of struct
2555         control_flow_graph.
2556         * cgraph.h (struct inline_summary): Break out of struct
2557         cgraph_local_info.
2558         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
2559         of struct cgraph_order_sort.
2560         * combine.c (enum undo_kind): New enum, broken out of struct undo.
2561         * cse.c (struct branch_path): Break out of struct
2562         cse_basic_block_data.
2563         * except.h (enum eh_region_type): Break out of struct eh_region.
2564         * gcc.c (enum add_del): Break out of struct modify_target.
2565         * genrecog.c (enum decision_type): Break out of struct decision_test.
2566         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
2567         ggc_pch_data.
2568         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
2569         * regmove.c (enum match_use): New enum, broken out of struct match.
2570         * sched-int.h (enum post_call_group): New enum, broken out of
2571         struct deps.
2572         (struct deps_reg): Break out of struct deps.
2573         * target.h (struct asm_int_op): Break out of struct gcc_target.
2574         * tree-eh.c (struct goto_queue_node): Break out of struct
2575         leh_tf_state.
2576         * tree-inline.h (enum copy_body_cge_which): Break out of
2577         copy_body_data.
2578         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
2580         * c-decl.c (in_struct, struct_types): New static variables.
2581         (pushtag): Add loc parameter.  Change all callers.
2582         (lookup_tag): Add ploc parameter.  Change all callers.
2583         (check_compound_literal_type): New function.
2584         (parser_xref_tag): Add loc parameter.  Change all callers.  If
2585         -Wc++-compat, warn about struct/union/enum types defined within a
2586         struct or union.
2587         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
2588         and loc parameters.  Change all callers.  Change error calls to
2589         error_at, using loc.  For a redefinition, if the location of the
2590         original definition is known, report it.  Set in_struct and
2591         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
2592         (finish_struct): Add new parameters enclosing_in_struct and
2593         enclosing_struct_types.  Change all callers.  Set
2594         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
2595         in the struct.  If in a struct, add this struct to struct_types.
2596         (start_enum): Add loc parameter.  Change all callers.  Use
2597         error_at for errors, using loc.  For a redefinition, if the
2598         location of the original definition is known, report it.  If in a
2599         struct, add this enum type to struct_types.  If -Wc++-compat warn
2600         if in sizeof, typeof, or alignof.
2601         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
2602         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
2603         (c_parser_enum_specifier): Get enum location for start_enum.
2604         (c_parser_struct_or_union_specifier): Get struct location for
2605         start_struct.  Save in_struct and struct_types status between
2606         start_struct and finish_struct.
2607         (c_parser_cast_expression): Get location of cast.
2608         (c_parser_alignof_expression): Get location of type.
2609         (c_parser_postfix_expression): Likewise.
2610         (c_parser_postfix_expression_after_paren_type): Add type_loc
2611         parameter.  Change all callers.  Call check_compound_literal_type.
2612         Use type_loc for error about variable size type.
2613         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
2614         of an enum constant from an enum type defined in a struct or union.
2615         (c_cast_expr): Add loc parameter.  Change all callers.  If
2616         -Wc++-compat, warn about defining a type in a cast.
2617         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
2618         (start_enum, start_struct, finish_struct): Update declarations.
2619         (parser_xref_tag, c_cast_expr): Update declarations.
2620         (check_compound_literal_type): Declare.
2622 2009-05-11  Ben Elliston  <bje@au.ibm.com>
2624         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
2625         for recent libcpp interface change.
2626         (rs6000_macro_to_expand): Likewise.
2628 2009-05-10  Michael Matz  <matz@suse.de>
2630         PR target/40031
2631         * config/arm/arm.c (require_pic_register): Emit on entry edge,
2632         not at entry of function.
2634 2009-05-10  Richard Guenther  <rguenther@suse.de>
2636         PR tree-optimization/40081
2637         Revert
2638         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2639         using the main variant of the element type.  Do not fiddle with
2640         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2642         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
2643         structs with volatile fields.
2645 2009-05-10  Jan Hubicka  <jh@suse.cz>
2647         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
2648         (estimate_move_cost): Assert that it does not get called for
2649         VOID_TYPE_P.
2650         (estimate_num_insns): Skip VOID types in argument handling.
2651         (optimize_inline_calls): Delete unreachable blocks and verify that
2652         callgraph is valid.
2654 2009-05-10  Jan Hubicka  <jh@suse.cz>
2656         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
2657         * cgraph.c (cgraph_mark_address_taken_node): New function.
2658         (dump_cgraph_node): Dump new flag.
2659         * cgraph.h (struct cgraph_node): Add address_taken.
2660         (cgraph_mark_address_taken_node): New function.
2661         * ipa.c (cgraph_postorder): Prioritize functions with address taken
2662         since new direct calls can be born.
2664 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2666         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
2667         tok->val.node.node.
2669 2009-05-10  Jan Hubicka  <jh@suse.cz>
2671         PR middle-end/40084
2672         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
2673         argument; rewrite.
2674         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
2675         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
2676         * tree-inline.c (copy_bb): Set frequency correctly.
2677         (fold_marked_statements): Update call to
2678         cgraph_update_edges_for_call_stmt.
2680 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2682         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
2683         identifiers in diagnostics.
2684         * config/arm/arm.c (arm_handle_fndecl_attribute,
2685         arm_handle_isr_attribute): Likewise.
2686         * config/avr/avr.c (avr_handle_progmem_attribute,
2687         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
2688         * config/bfin/bfin.c (handle_int_attribute,
2689         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
2690         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
2691         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
2692         Likewise.
2693         * config/darwin.c (darwin_handle_kext_attribute,
2694         darwin_handle_weak_import_attribute): Likewise.
2695         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
2696         h8300_handle_eightbit_data_attribute,
2697         h8300_handle_tiny_data_attribute): Likewise.
2698         * config/i386/i386.c (ix86_handle_cconv_attribute,
2699         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
2700         * config/i386/winnt.c (ix86_handle_shared_attribute,
2701         ix86_handle_selectany_attribute): Likewise.
2702         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2703         * config/m32c/m32c.c (function_vector_handler): Likewise.
2704         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
2705         m68hc11_handle_fntype_attribute): Likewise.
2706         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2707         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2708         * config/mips/mips.c (mips_insert_attributes,
2709         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
2710         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
2711         rs6000_handle_struct_attribute): Likewise.
2712         * config/sh/sh.c (sh_insert_attributes,
2713         sh_handle_resbank_handler_attribute,
2714         sh_handle_interrupt_handler_attribute,
2715         sh2a_handle_function_vector_handler_attribute,
2716         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2717         Likewise.
2718         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
2719         * config/spu/spu.c (spu_handle_fndecl_attribute,
2720         spu_handle_vector_attribute): Likewise.
2721         * config/stormy16/stormy16.c
2722         (xstormy16_handle_interrupt_attribute): Likewise.
2723         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
2724         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2726 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2728         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
2729         (pp_translate_identifiers): New.
2730         (pp_identifier): Only conditionally translate identifier to locale
2731         character set.
2732         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
2733         (pp_base_tree_identifier): Only conditionally translate identifier
2734         to locale character set.
2735         * c-pretty-print.c (M_): Define.
2736         (pp_c_type_specifier, pp_c_primary_expression): Mark English
2737         fragments for conditional translation with M_.
2738         * tree-pretty-print.c (maybe_init_pretty_print): Disable
2739         identifier translation.
2741 2009-05-10  Richard Guenther  <rguenther@suse.de>
2743         PR tree-optimization/40081
2744         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2745         using the main variant of the element type.  Do not fiddle with
2746         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2748 2009-05-09  Jan Hubicka  <jh@suse.cz>
2750         PR middle-end/40080
2751         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
2752         indirect calls; verify cgraph afterwards.
2754 2009-05-09  Jan Hubicka  <jh@suse.cz>
2756         PR bootstrap/40082
2757         * ipa.c (update_inlined_to_pointer): New function.
2758         (cgraph_remove_unreachable_nodes): Use it.
2760 2009-05-09  Jan Hubicka  <jh@suse.cz>
2762         * tree-eh.c (struct leh_state): Remove prev_try.
2763         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
2764         not track prev_try.
2765         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
2766         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
2767         remove_eh_handler_and_replace, foreach_reachable_handler,
2768         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2769         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2770         (gen_eh_region_cleanup): Update prototype.
2772 2009-05-09  Jan Hubicka  <jh@suse.cz>
2774         PR middle-end/40043
2775         * except.c (copy_eh_region): Always set prev_try.
2776         (redirect_eh_edge_to_label): Find outer try.
2777         (foreach_reachable_handler): When looking for prev try
2778         handle case where previous try is not going to be taken.
2780 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2782         PR tree-optimization/40049
2783         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2784         only vector/vector shifts, convert the type of the constant to the
2785         appropriate type to avoid building incorrect trees, which
2786         eventually have problems with garbage collection.
2788 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2790         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2791         -1 for complex floating-point types if honoring signed zeros.
2793 2009-05-08  Jan Hubicka  <jh@suse.cz>
2795         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2796         argument; handle correctly when profile is absent.
2797         (build_cgraph_edges): Update.
2798         (rebuild_cgraph_edges): Update.
2799         * cgraph.c: Do not include varray.h.
2800         (cgraph_set_call_stmt_including_clones): New function.
2801         (cgraph_create_edge_including_clones): Likewise
2802         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2803         (cgraph_update_edges_for_call_stmt): Handle clones.
2804         (cgraph_remove_node): Handle clone tree.
2805         (cgraph_remove_node_and_inline_clones): New function.
2806         (dump_cgraph_node): Dump clone tree.
2807         (cgraph_clone_node): Handle clone tree.
2808         (clone_function_name): Bring here from tree-inline.c.
2809         (cgraph_create_virtual_clone): New function.
2810         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2811         (cgraph_clone_info): New function.
2812         (strut cgraph_node): Add clone_info and new clone tree pointers.
2813         (cgraph_remove_node_and_inline_clones,
2814         cgraph_set_call_stmt_including_clones,
2815         cgraph_create_edge_including_clones,
2816         cgraph_create_virtual_clone): Declare.
2817         (cgraph_function_versioning): Use VEC argument.
2818         (compute_call_stmt_bb_frequency): Update prototype.
2819         (cgraph_materialize_all_clones): New function.
2820         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2821         (ipcp_create_replace_map): Update to VECtors.
2822         (ipcp_update_callgraph): Use virtual clones.
2823         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2824         (ipcp_update_profiling): Do not update local profiling.
2825         (ipcp_insert_stage): Use VECtors and virtual clones.
2826         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2827         (clone_of_p): New function.
2828         (cgraph_preserve_function_body_p): Use clone tree.
2829         (cgraph_optimize): Materialize clones.
2830         (cgraph_function_versioning): Update for VECtors.
2831         (save_inline_function_body): Use clone tree.
2832         (cgraph_materialize_clone): New function.
2833         (cgraph_materialize_all_clones): Likewise.
2834         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2835         * ipa.c: Include gimple.h.
2836         (cgraph_remove_unreachable_nodes): Use clone tree.
2837         * ipa-prop.c (ipa_note_param_call): Update call to
2838         compute_call_stmt_bb_frequencycall.
2839         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2840         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2841         (copy_bb): Handle updating of clone tree; add new edge when new call
2842         appears.
2843         (expand_call_inline): Be strict about every call having edge.
2844         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2845         (delete_unreachable_blocks_update_callgraph): New function.
2846         (tree_function_versioning): Use VECtors; always remove unreachable
2847         blocks and fold conditionals.
2848         * tree-inline.h: Do not include varray.h.
2849         (tree_function_versioning): Remove.
2850         * Makefile.in (GTFILES): Remove tree-inline.c
2851         * passes.c (do_per_function): Do only functions having body.
2852         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2853         tree.
2855 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2856             Andrew Morrow  <acm@google.com>
2858         PR c/36892
2859         * c-common.c (c_common_attribute_table): Permit deprecated
2860         attribute to take an optional argument.
2861         (handle_deprecated_attribute): If the optional argument to
2862         __attribute__((deprecated)) is not a string ignore the attribute
2863         and emit a warning.
2865         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2866         * c-typeck.c (build_component_ref): Likewise.
2867         (build_external_ref): Likewise.
2869         * toplev.c (warn_deprecated_use): Add an attribute argument.
2870         Emit the message associated with __attribute__((deprecated)).
2872         * toplev.h (warn_deprecated_use): Updated.
2874         * doc/extend.texi: Document new optional parameter to
2875         __attribute__((deprecated))
2877 2009-05-08  Michael Eager <eager@eagercon.com>
2879         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2880         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2882 2009-05-08  Richard Guenther  <rguenther@suse.de>
2884         PR tree-optimization/40062
2885         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2886         Avoid exponential behavior.
2888 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2890         PR rtl-optimization/33928
2891         PR 26854
2892         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2893         process_uses, build_single_def_use_links): New.
2894         (update_df): Update use_def_ref.
2895         (forward_propagate_into): Use get_def_for_use instead of use-def
2896         chains.
2897         (fwprop_init): Call build_single_def_use_links and let it initialize
2898         dataflow.
2899         (fwprop_done): Free use_def_ref.
2900         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2901         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2902         df_rd_simulate_one_insn): New.
2903         (df_rd_bb_local_compute_process_def): Update head comment.
2904         (df_chain_create_bb): Use the new RD simulation functions.
2905         * df.h (df_rd_simulate_artificial_defs_at_top, 
2906         df_rd_simulate_one_insn): New.
2907         * opts.c (decode_options): Enable fwprop at -O1.
2908         * doc/invoke.texi (-fforward-propagate): Document this.
2910 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2912         PR c/24581
2913         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2914         and one complex operand specially.
2915         * tree-complex.c (some_nonzerop): Do not identify a real value as
2916         zero if flag_signed_zeros.
2918 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2920         PR rtl-optimization/33928
2921         * loop-invariant.c (record_use): Fix && vs. || mishap.
2923 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2925         PR rtl-optimization/33928
2926         * loop-invariant.c (struct use): Add addr_use_p.
2927         (struct def): Add n_addr_uses.
2928         (struct invariant): Add cheap_address.
2929         (create_new_invariant): Set cheap_address.
2930         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2931         (record_uses): Pass df_ref to record_use.
2932         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2933         used only as such.
2935 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2937         * config/sh/sh.c: Do not include c-pragma.h.
2939 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2941         * config/spu/spu.c: Remove include of c-common.h.
2943 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2945         PR c/39037
2946         * c-common.h (mark_valid_location_for_stdc_pragma,
2947         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2948         clear_float_const_decimal64, float_const_decimal64_p): New.
2949         * c.opt (Wunsuffixed-float-constants): New.
2950         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2951         unsuffixed float constant, handle new warning.
2952         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2953         * c-decl.c (c_scope): New flag float_const_decimal64.
2954         (set_float_const_decimal64, clear_float_const_decimal64,
2955         float_const_decimal64_p): New.
2956         (push_scope): Set new flag.
2957         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2958         to use STDC pragmas.
2959         (c_parser_external_declaration): Ditto.
2960         (c_parser_compound_statement_nostart): Ditto.
2961         * c-pragma.c (valid_location_for_stdc_pragma,
2962         mark_valid_location_for_stdc_pragma,
2963         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2964         handle_pragma_float_const_decimal64): New.
2965         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2966         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2967         set_float_const_decimal64, clear_float_const_decimal64,
2968         float_const_decimal64_p): New dummy functions.
2969         * doc/extend.texi (Decimal Float): Remove statement that the
2970         pragma, and suffix for double constants, are not supported.
2971         * doc/invoke.texi (Warning Options): List new option.
2972         (-Wunsuffixed-float-constants): New.
2974 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2976         * config/i386/i386.c: Do not include c-common.h.
2978 2009-05-07  Mark Heffernan  <meheff@google.com>
2980         * doc/invoke.texi (Debugging Options): Document change of debugging
2981         dump location.
2982         * opts.c (decode_options): Make dump_base_name relative to
2983         aux_base_name directory.
2985 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2987         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2988         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2990 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2992         * Makefile.in (install-plugin): Simplify a bit.
2994 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2996         * Makefile.in (OBJS-common): Add regcprop.o.
2997         (regcprop.o): New.
2998         * timevar.def (TV_CPROP_REGISTERS): New.
2999         * regrename.c (regrename_optimize): Return 0.
3000         (rest_of_handle_regrename): Delete.
3001         (pass_rename_registers): Point to regrename_optimize.
3002         (struct value_data_entry, struct value_data, 
3003         kill_value_one_regno, kill_value_regno, kill_value,
3004         set_value_regno, init_value_data, kill_clobbered_value,
3005         kill_set_value, kill_autoinc_value, copy_value,
3006         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
3007         replace_oldest_value_reg, replace_oldest_value_addr,
3008         replace_oldest_value_mem, copyprop_hardreg_forward_1,
3009         debug_value_data, validate_value_data): Move...
3010         * regcprop.c: ... here.
3011         (rest_of_handle_cprop): Delete.
3012         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
3014 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
3016         PR middle-end/40057
3017         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
3018         GEN_INT for 1 << bitnum.
3019         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
3020         build_int_cst_type.
3022 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
3024         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
3025         Remove wrong description of "nand" operation.
3027 2009-05-06  Richard Guenther  <rguenther@suse.de>
3028             Adam Nemet  <anemet@caviumnetworks.com>
3030         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
3031         comment.  Add that if LHS is not a gimple register, then RHS1 has
3032         to be a single object (GIMPLE_SINGLE_RHS).
3034 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
3036         * expr.c (get_def_for_expr): Move it up in the file.
3037         (store_field): When expanding a bit-field store, look at the
3038         defining gimple stmt for the masking conversion.
3040 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
3042         PR middle-end/39986
3043         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3044         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
3045         32-bit memcpy into long.
3047 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
3049         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
3050         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
3051         new_reg_loc_descr.
3052         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
3053         instead of appending DW_OP_deref*.
3055 2009-05-06  Michael Matz  <matz@suse.de>
3057         PR middle-end/40021
3058         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
3059         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
3061 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
3063         * Makefile.in (install-plugin): Fix srcdir handling.
3065 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
3067         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
3068         when processing for not_regs_needed bitmap.
3069         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
3070         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
3071         handling it for rhs. 
3073 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3075         * config/i386/i386.md (unnamed inc/dec peephole): Use
3076         optimize_insn_for_size_p instead of optimize_size.
3077         * config/i386/predicates.md (incdec_operand): Likewise.
3078         (aligned_operand): Likewise.
3079         * config/i386/sse.md (divv8sf3): Likewise.
3080         (sqrtv8sf2): Likewise.
3082 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3084         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
3086         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
3088 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3090         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
3091         ssemodesuffixf2c with avxmodesuffixf2c.
3093 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
3095         PR c/40032
3096         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
3098 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
3100         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
3101         (struct tree_base): Adjust spacing for 8 bit boundaries.
3102         (struct tree_decl_common): Add decl_by_reference_flag bit.
3103         (DECL_BY_REFERENCE): Adjust.
3104         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
3105         print DECL_BY_REFERENCE bit.
3106         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
3107         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
3108         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
3109         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
3110         unconditionally.
3112         PR middle-end/39666
3113         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
3114         range of the type, but default label is missing, add it with one
3115         of the existing labels instead of adding a new label for it.
3117 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
3119         * dwarf.h: Remove.
3121 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
3123         * Makefile.in (enable_plugin, plugin_includedir): New.
3124         (install): Depend on install-plugin.
3125         (PLUGIN_HEADERS): New.
3126         (install-plugin): New.
3127         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
3129 2009-05-05  Richard Guenther  <rguenther@suse.de>
3131         PR tree-optimization/40022
3132         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
3133         the only vuse.
3134         (phivn_valid_p): Fix tuplification error, simplify.
3135         (phiprop_insert_phi): Add dumps.
3136         (propagate_with_phi): Simplify.
3138 2009-05-05  Richard Guenther  <rguenther@suse.de>
3140         PR middle-end/40023
3141         * builtins.c (gimplify_va_arg_expr): Properly build the address.
3143 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
3145         * tree.h (strip_float_extensions): Remove duplicate declaration.
3146         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
3147         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
3148         block_ultimate_origin): Rearrange the declarations line to match the
3149         comment that indicates the .c file which the functions are defined.
3150         (dwarf2out_*, set_decl_rtl): Add comment.
3151         (get_base_address): Adjust comment.
3152         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
3153         declarations line and add comment.
3154         (is_builtin_name): Add blank after function name, for clarity.
3156 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3158         * attribs.c (decl_attributes): Use %qE for identifiers in
3159         diagnostics.
3160         * cgraphunit.c (verify_cgraph_node): Translate function names to
3161         locale character set in diagnostics.
3162         * coverage.c (get_coverage_counts): Use %qE for identifiers in
3163         diagnostics.
3164         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
3165         Document that functions are named in UTF-8.
3166         * expr.c (expand_expr_real_1): Translate function names to locale
3167         character set in diagnostics.
3168         * gimplify.c (omp_notice_variable, omp_is_private,
3169         gimplify_scan_omp_clauses): Use %qE for identifiers in
3170         diagnostics.
3171         * langhooks.c (lhd_print_error_function): Translate function names
3172         to locale character set.
3173         * langhooks.h (decl_printable_name): Document that return value is
3174         in internal character set.
3175         * stmt.c: Include pretty-print.h
3176         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
3177         diagnostics.
3178         (resolve_operand_name_1): Translate named operand name to locale
3179         character set.
3180         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
3181         diagnostics.
3182         * toplev.c (announce_function): Translate function names to locale
3183         character set.
3184         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
3185         (default_tree_printer): Use pp_identifier or translate identifiers
3186         to locale character set.  Mark "<anonymous>" for translation.
3187         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
3188         for identifiers in diagnostics.
3189         * tree.c (handle_dll_attribute): Use %qE for identifiers in
3190         diagnostics.
3191         * varasm.c (output_constructor): Use %qE for identifiers in
3192         diagnostics.
3194 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
3196         * configure.ac: use ` ` instead of $()
3197         * configure: Regenerate.
3199 2009-05-05  Ben Elliston  <bje@au.ibm.com>
3201         * config/pa/linux-atomic.c: Eliminate conditional include of
3202         errno.h on non-LP64 systems to simplify build requirements.
3204 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3206         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
3207         diagnostics.
3208         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
3209         and pass value to identifier_to_locale.
3210         (warn_variable_length_array): Make name a tree.
3211         (grokdeclarator): Separate diagnostic texts for named and unnamed
3212         declarators.  Use %qE for named declarators.
3213         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
3214         diagnostics.
3215         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
3216         identifiers in diagnostics.
3217         * c-typeck.c (push_member_name, start_init): Pass identifiers to
3218         identifier_to_locale.  Mark "anonymous" strings for translation.
3220 2009-05-04  Michael Eager <eager@eagercon.com>
3222         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
3223         address for DImode/DFmode only if double-precision FP regs.
3225 2009-05-04  Michael Eager <eager@eagercon.com>
3227         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
3228         TARGET_SINGLE_FLOAT check.
3230 2009-05-04  Michael Eager <eager@eagercon.com>
3232         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
3234 2009-05-04  Michael Eager <eager@eagercon.com>
3236         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
3237         * config/rs6000/t-xilinx: New
3239 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
3241         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
3242         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
3243         * gcc/explow.c (memory_address): Use target hook.
3244         * gcc/targhooks.c (default_legitimize_address): New.
3245         * gcc/targhooks.h (default_legitimize_address): New.
3246         * gcc/target.h (legitimize_address): New.
3247         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
3248         (TARGET_INITIALIZER): Include it.
3249         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
3251         * config/bfin/bfin-protos.h (legitimize_address): Remove.
3252         * config/bfin/bfin.c (legitimize_address): Remove.
3253         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
3254         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
3255         Remove.
3256         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
3257         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
3259         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
3260         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
3261         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
3262         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
3263         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
3264         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
3265         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
3266         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
3267         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
3268         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
3269         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
3270         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
3271         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
3272         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
3273         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
3274         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
3275         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
3276         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
3277         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
3278         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
3279         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
3280         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
3281         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
3283         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
3284         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
3285         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
3286         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
3287         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
3288         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
3289         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
3290         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
3291         (thumb_legitimize_address): Delete.
3292         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
3293         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
3294         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
3295         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
3296         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
3297         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
3298         Delete.
3299         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
3300         Delete.
3302         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
3303         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
3304         * config/m32r/m32r.c (m32r_legitimize_address): New.
3305         * config/m68k/m68k.c (m68k_legitimize_address): New.
3306         * config/score/score.c (score_legitimize_address): Standardize.
3307         * config/score/score3.c (score3_legitimize_address): Standardize.
3308         * config/score/score3.h (score3_legitimize_address): Adjust.
3309         * config/score/score7.c (score7_legitimize_address): Standardize.
3310         * config/score/score7.h (score7_legitimize_address): Adjust.
3311         * config/sh/sh.c (sh_legitimize_address): New.
3312         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
3314         * gcc/config/s390/s390.c (legitimize_address): Rename to...
3315         (s390_legitimize_address): ... this.
3316         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
3317         (sparc_legitimize_address): ... this.
3318         * gcc/config/i386/i386.c (legitimize_address): Rename to...
3319         (ix86_legitimize_address): ... this.
3320         * gcc/config/avr/avr.c (legitimize_address): Rename to...
3321         (avr_legitimize_address): ... this.
3322         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
3323         (mn10300_legitimize_address): ... this.
3324         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
3325         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
3326         (alpha_expand_mov): Adjust call.
3328         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
3329         * config/spu/spu.c (spu_legitimize_address): Likewise.
3330         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
3331         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
3333 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3335         * intl.c (locale_encoding, locale_utf8): New.
3336         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
3337         * intl.h (locale_encoding, locale_utf8): Declare.
3338         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
3339         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
3340         New.
3341         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
3342         argument.
3343         (pp_tree_identifier): Define to call pp_base_tree_identifier.
3344         (pp_base_tree_identifier): Declare as function.
3345         (identifier_to_locale): Declare.
3346         * Makefile.in (pretty-print.o): Update dependencies.
3347         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
3349 2009-05-04  Richard Guenther  <rguenther@suse.de>
3351         PR middle-end/40015
3352         * builtins.c (fold_builtin_memory_op): Do not decay to element
3353         type if the size matches the whole array.
3355 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3357         * expmed.c (synth_mult): When trying out a shift, pass the result
3358         of a signed shift.
3360 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3362         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
3363         (shiftsub1_cost): New.
3364         (init_expmed): Compute shiftsub1_cost.
3365         (synth_mult): Optimize multiplications by constants of the form
3366         -(2^^m-1) for some constant positive integer m.
3368 2009-05-03  Richard Guenther  <rguenther@suse.de>
3370         PR c/39983
3371         * c-typeck.c (array_to_pointer_conversion): Do not built
3372         ADDR_EXPRs of arrays of pointer-to-element type.
3373         * c-gimplify.c (c_gimplify_expr): Revert change fixing
3374         up wrong ADDR_EXPRs after-the-fact.
3375         * c-common.c (strict_aliasing_warning): Strip pointer
3376         conversions for obtaining the original type.
3377         * builtins.c (fold_builtin_memset): Handle array types.
3378         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
3379         and array types
3381 2009-05-03  Richard Guenther  <rguenther@suse.de>
3383         PR middle-end/23329
3384         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
3385         Do not lose casts from array types with unknown extent to array
3386         types with known extent.
3387         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
3388         alias set compatibility.
3390 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3392         * flags.h (extra_warnings): Delete.
3393         * toplev.c (process_options): Handle Wuninitialized here.
3394         * opts.c (extra_warnings): Delete.
3395         (set_Wextra): Delete.
3396         (common_handle_option): -Wextra can be handled automatically.
3397         * c-opts.c (c_common_handle_option): Delete obsolete code.
3398         (c_common_post_options): Simplify comment.
3399         * common.opt (W): Add Var.
3400         (Wextra): Add Var.
3401         (Wuninitialized): Initialize to -1.
3403 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
3404             Richard Guenther  <rguenther@suse.de>
3406         * expr.c (get_def_for_expr): New function.
3407         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
3408         SSA rather than trees.
3409         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
3410         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
3411         
3412 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
3414         * c-common.c (reswords): Add _Imaginary.
3415         * c-common.c (enum rid): Add RID_IMAGINARY.
3417 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
3419         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
3420         Patch by Richard Guenther.
3422 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
3424         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
3425         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
3426         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
3427         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
3428         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
3429         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
3430         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
3431         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
3432         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
3433         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
3434         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
3435         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
3436         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
3437         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
3438         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
3439         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
3440         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
3441         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
3443 2009-05-02  Richard Guenther  <rguenther@suse.de>
3445         PR tree-optimization/39940
3446         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
3447         doing so.
3449 2009-05-02  Richard Guenther  <rguenther@suse.de>
3451         PR middle-end/40001
3452         * tree-ssa.c (execute_update_addresses_taken): Properly check
3453         if we can mark a variable DECL_GIMPLE_REG_P.
3454         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
3455         back to the end of the function.
3456         (is_gimple_reg_type): Remove complex type special casing.
3457         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
3458         if not optimizing.
3460 2009-05-02  Ben Elliston  <bje@au.ibm.com>
3462         * doc/collect2.texi (Collect2): Document search path behaviour
3463         when configured with --with-ld.
3465 2009-05-02  Jan Hubicka  <jh@suse.cz>
3467         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
3468         parameter; update callers.
3469         (coalesce_cost_edge): EH edges are costier because they needs
3470         splitting even if not critical and even more costier when there are
3471         multiple EH predecestors.
3473 2009-05-02  Jan Hubicka  <jh@suse.cz>
3475         * except.c (remove_eh_handler_and_replace): Handle updating after
3476         removing TRY blocks.
3478 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3480         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
3482 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3484         * varasm.c: Do not include c-pragma.h.
3485         * attribs.c: Do not incude c-common.h.
3487 2009-05-01  Michael Matz  <matz@suse.de>
3489         * calls.c (initialize_argument_information): Handle SSA names like
3490         decls with a non MEM_P DECL_RTL.
3492 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3494         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
3495         * ipa-utils.c: Likewise.
3496         * ipa-type-escape.c: Likewise.
3497         * cgraphunit.c Do not include c-common.h.
3498         * ipa-pure-const.c: Likewise.
3499         * tree-if-conv.c: Likewise.
3500         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
3501         * ipa-struct-reorg.c: Likewise.
3502         * tree-nomudflap.c: Likewise.
3503         * tree-ssa-structalias.c: Likewise.
3505 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3507         * store-motion.c: Many cleanups to make this pass a first-class
3508         citizen instead of an appendix to gcse load motion.  Add TODO list
3509         to make this pass faster/cleaner/better.
3511         (struct ls_expr): Post gcse.c-split cleanups.
3512         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
3513         "stores" field to "avail_stores".
3514         (pre_ldst_mems): Rename to store_motion_mems.
3515         (pre_ldst_table): Rename to store_motion_mems_table.
3516         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
3517         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
3518         (ldst_entry): Rename to st_expr_entry, update users.
3519         (free_ldst_entry): Rename to free_st_expr_entry, update users.
3520         (free_ldst_mems): Rename to free_store_motion_mems, update users.
3521         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
3522         update caller.
3523         (first_ls_expr): Rename to first_st_expr, update users.
3524         (next_ls_expr): Rename to next_st_expr, update users.
3525         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
3526         fields properly for store motion instead of names inherited from load
3527         motion in gcse.c.
3528         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
3529         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
3530         are done with it.
3532         (ae_kill): Rename to st_kill, update users.
3533         (ae_gen): Rename to st_avloc, update users.
3534         (transp): Rename to st_transp, update users.
3535         (pre_insert_map): Rename to st_insert_map, update users.
3536         (pre_delete_map): Rename to st_delete_map, update users.
3537         (insert_store, build_store_vectors, free_store_memory,
3538         one_store_motion_pass): Update for abovementioned changes.
3540         (gcse_subst_count, gcse_create_count): Remove.
3541         (one_store_motion_pass): New statistics counters "n_stores_deleted"
3542         and "n_stores_created", local variables.
3544         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
3545         use for_each_rtx.
3547         (regvec, compute_store_table_current_insn): Remove.
3548         (reg_set_info, reg_clear_last_set): Remove.
3549         (compute_store_table): Use DF caches instead of local dataflow
3550         solvers.
3552 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
3554         * c-objc-common.c (c_tree_printer): Print identifiers with
3555         pp_identifier, not pp_string.  Mark "({anonymous})" for
3556         translation.
3557         * c-pretty-print.c (pp_c_ws_string): New.
3558         (pp_c_cv_qualifier, pp_c_type_specifier,
3559         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
3560         pp_c_storage_class_specifier, pp_c_function_specifier,
3561         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
3562         pp_c_primary_expression, pp_c_postfix_expression,
3563         pp_c_unary_expression, pp_c_shift_expression,
3564         pp_c_relational_expression, pp_c_equality_expression,
3565         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
3566         use pp_string and pp_c_ws_string in place of pp_identifier and
3567         pp_c_identifier for non-identifiers.  Mark English strings for
3568         translation.
3569         * c-pretty-print.h (pp_c_ws_string): Declare.
3571 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
3572             Roland McGrath <roland@redhat.com>
3574         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
3575         (ENABLE_LD_BUILDID): New configuration option.
3576         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
3577         (LINK_BUILDID_SPEC): New macro.
3578         (init_spec): If defined, prepend it between LINK_EH_SPEC and
3579         link_spec.
3580         * doc/install.texi: Document --enable-linker-build-id option.
3581         * configure: Rebuild.
3582         * config.in: Rebuild.
3584 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
3586         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
3587         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
3588         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
3589         MIPS_GP_SAVE_AREA_SIZE.
3590         * config/mips/mips.c (struct mips_frame_info): Update comment
3591         before arg_pointer_offset and hard_frame_pointer_offset.
3592         (mips_compute_frame_info): Update diagram before function: to
3593         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
3594         indicate the position of frame_pointer_rtx with -fstack-protector and
3595         to show args_size.  Don't allocate cprestore area for leaf functions
3596         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
3597         cprestore_size.
3598         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
3600 2009-04-30  Michael Matz  <matz@suse.de>
3602         PR tree-optimization/39955
3603         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
3605 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3607         * ira.c (setup_cover_and_important_classes):  Use safe macro
3608         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
3609         directly.
3610         * genpreds.c (write_tm_preds_h):  Output suitable definition of
3611         REG_CLASS_FOR_CONSTRAINT.
3613 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3615         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
3616         instead of an int.
3617         * bitmap.c (bitmap_descriptor): Likewise.
3618         * ggc-common.c (loc_descriptor): Likewise.
3619         * varray.c (varray_descriptor): Likewise.
3620         * vec.c (vec_descriptor): Likewise.
3622 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3624         * Makefile.in (dce.o): Add $(EXCEPT_H).
3625         * dce.c: Include except.h and delete redundant vector definitions.
3626         (deletable_insn_p): Return false for non-call insns that can throw
3627         if DF is running.
3629 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3631         * gcse.c (ae_gen): Remove.
3632         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
3633         and make non-static function to make it available in store-motion.c.
3634         Update call sites with search-and-replace.
3635         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
3636         extract_mentioned_regs, extract_mentioned_regs_helper,
3637         find_moveable_store, compute_store_table, load_kills_store, find_loads,
3638         store_killed_in_insn, store_killed_after, store_killed_before,
3639         build_store_vectors, insert_insn_start_basic_block, insert-store,
3640         remove_reachable_equiv_notes, replace_store_insn, delete_store,
3641         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
3642         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
3643         * store-motion.c: ...new file.  Also copy data structures from gcse.c
3644         and clean up to remove parts not used by store motion.
3645         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
3646         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
3648 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3650         PR target/38571
3651         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
3652         when optimizing for size.
3654 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
3656         * gcse.c (gcse_constant_p): Fix typo in last change.
3658 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3660         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
3662 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3664         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
3666 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
3668         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
3669         CONST_HIGH_PART result.
3671 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
3673         * config/avr/avr.c (initial_elimination_offset): Rename to
3674         avr_initial_elimination_offset.
3675         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
3676         change return type to bool.
3677         (avr_can_eliminate): New function.
3678         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
3679         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
3680         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
3681         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
3682         avr_initial_elimination_offset.
3683         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
3684         (avr_initial_elimination_offset): Define.
3686 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
3687             Steven Bosscher  <steven@gcc.gnu.org>
3689         PR rtl-optimization/39938
3690         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
3691         * cfgrtl.c: Include insn-attr.h.
3692         (rest_of_pass_free_cfg): New function.
3693         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
3694         * resource.c (init_resource_info): Remove call to df_analyze.
3696 2009-04-29  Richard Guenther  <rguenther@suse.de>
3698         PR target/39943
3699         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
3700         allow conversion to signed integers.
3702 2009-04-29  Richard Guenther  <rguenther@suse.de>
3704         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
3705         shifts of floating point vectors if the shift amount is
3706         a constant multiple of the element size.
3708 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3709             Michael Matz  <matz@suse.de>
3711         PR middle-end/39927
3712         PR bootstrap/39929
3713         * tree-outof-ssa.c (emit_partition_copy): New function.
3714         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3715         insert_part_to_rtx_on_edge): Perform the partition base var
3716         copy using emit_partition_copy.
3717         (insert_value_copy_on_edge): Convert constants to the right mode.
3718         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
3719         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
3721 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3723         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
3724         scan backwards to try to find a constant to initialize it.
3726         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
3727         insn before the loop_end instruction, don't look past labels.
3729 2009-04-29  Richard Guenther  <rguenther@suse.de>
3731         PR middle-end/39937
3732         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3733         loose type conversions.
3734         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
3735         stmts only if there are no uses of its definition.
3737 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3739         * config/bfin/bfin.h (splitting_loops): Declare.
3740         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
3741         Reorder bit definitions to be ascending.
3742         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
3743         * config/bfin/bfin.c (splitting_loops): New variable.
3744         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
3745         (struct loop_info): Remove members INIT and LOOP_INIT.
3746         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
3747         the LSETUP sequence.  Allow LC to be loaded from any register, but
3748         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
3749         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
3750         set to 1.
3751         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
3752         of reload_completed.
3754         From Jie Zhang:
3755         * config/bfin/bfin.md (movsi_insn): Refine constraints.
3757 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
3759         * Makefile.in (PLUGIN_VERSION_H): New.
3760         (OBJS-common): Remove plugin-version.o.
3761         (plugin.o): Depend on (PLUGIN_VERSION_H).
3762         (plugin-version.o): Remove.
3763         * configure: Regenerate
3764         * configure.ac: Create plugin-version.h.
3765         * gcc-plugin.h (plugin_gcc_version): Remove.
3766         (plugin_default_version_check): Change signature.
3767         * plugin-version.c: Remove.
3768         * plugin.c: Include plugin-version.h.
3769         (str_plugin_gcc_version_name): Remove.
3770         (try_init_one_plugin): Pass gcc version to plugin_init.
3771         (plugin_default_version_check): Both gcc and plugin versions are now
3772         arguments.
3774 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3775         
3776         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3777         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3778         Remove special case testing for last insn of inner loops. Don't fail
3779         if the loop ends with a jump, emit an extra nop instead.
3781         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3782         DREGS rather than comparing directly.  Remove code that tries to
3783         account for latencies.
3785 2009-04-29  Richard Guenther  <rguenther@suse.de>
3787         PR tree-optimization/39941
3788         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3789         eliminating an indirect call.
3791 2009-04-29  Richard Guenther  <rguenther@suse.de>
3793         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3794         parameter.  Allow invariants as base if !require_lvalue.
3795         (verify_gimple_assign_single): Adjust.
3797 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3799         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3800         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3801         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3802         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3803         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3804         a VEC_SELECT.
3805         * config/bfin/bfin.c (bfin_expand_builtin,
3806         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3808 2009-04-28  Richard Guenther  <rguenther@suse.de>
3810         * tree-vect-loop.c (get_initial_def_for_induction): Use
3811         correct types for pointer increment.
3813 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3815         * toplev.c (print_version): Update GMP version string calculation.
3817 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3819         PR rtl-optimization/39938
3820         * resource.c (init_resource_info): Add call to df_analyze.
3822 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3824         * config/alpha/alpha.md (usegp): Cast the result of
3825         alpha_find_lo_sum_using_gp to enum attr_usegp.
3826         * config/alpha/alpha.c (override_options): Remove end-of-structure
3827         marker element from cpu_table.  Use array size of cpu_table to handle
3828         -mcpu and -mtune options.
3829         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3831 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3833         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3834         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3835         tune_32 and tune_64.
3836         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3837         support on PowerPC.
3838         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3839         * config/rs6000/option-defaults.h: ... here.  New file.
3840         (OPT_64, OPT_32): Define.
3841         (MASK_64BIT): Define to 0 if not already defined.
3842         (OPT_ARCH64, OPT_ARCH32): Define.
3843         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3844         and tune_64.
3846 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3848         * config/arm/arm.c (arm_override_options): Emit error on using
3849         fpa with AAPCS.
3851 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3853         PR rtl-optimization/39914
3854         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3855         registers for allocnos created from user-defined variables only
3856         when not optimizing.
3858 2009-04-28  Richard Guenther  <rguenther@suse.de>
3860         PR middle-end/39937
3861         * fold-const.c (fold_binary): Use distribute_real_division only
3862         on float types.
3864 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3866         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3867         add hpux-stdint.h to tm_file.
3868         (hppa[12]*-*-hpux11*): Ditto.
3869         (ia64*-*-hpux*): Ditto.
3870         * config/hpux-stdint.h: New.
3871         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3872         __STDC_EXT__ for all compiles.
3873         * config/pa/pa-hpux.h: Ditto.
3874         * config/pa/pa-hpux10.h: Ditto.
3875         * config/pa/pa-hpux11.h: Ditto.
3877 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3879         * debug.h (set_name): Add comment.
3881 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3883         PR target/39929
3884         * config/darwin.c (machopic_gen_offset): Check
3885         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3886         * config/arm/arm.c (require_pic_register): Likewise.
3888 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3890         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3891         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3892         m32c_promote_prototypes): Delete.
3894 2009-04-28  Michael Matz  <matz@suse.de>
3896         PR middle-end/39922
3897         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3898         constants.
3900 2009-04-28  Richard Guenther  <rguenther@suse.de>
3902         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3904 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3906         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3907         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3908         * config/arm/arm-tune.md: Regenerate.
3910 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3912         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3913         block if there are complex incoming edges.
3914         (sel_merge_blocks): Remove useless assert.
3915         (sel_redirect_edge_and_branch): Check that edge was redirected.
3916         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3917         (sel_find_rgns): Delete declaration.
3918         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3919         the region when it is not a preheader.
3921 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3923         PR c/39323
3924         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3926 2009-04-28  Richard Guenther  <rguenther@suse.de>
3928         * tree.h (SSA_NAME_VALUE): Remove.
3929         (struct tree_ssa_name): Remove value_handle member.
3930         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3931         array for jump threading.
3932         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3933         SSA_NAME_VALUEs.
3934         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3935         * tree-flow.h (threadedge_initialize_values): Declare.
3936         (threadedge_finalize_values): Likewise.
3937         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3938         (SSA_NAME_VALUE): Define.
3939         (threadedge_initialize_values): New function.
3940         (threadedge_finalize_values): Likewise.
3941         * tree-ssa-dom.c (ssa_name_values): New global variable.
3942         (SSA_NAME_VALUE): Define.
3943         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3945 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3947         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3948         Use REPORT_VECTORIZED_LOCATIONS instead 
3949         REPORT_VECTORIZED_LOOPS.
3950         * tree-vectorizer.c (vect_verbosity_level): Make static.
3951         (vect_loop_location): Rename to vect_location.
3952         (vect_set_verbosity_level): Update comment.
3953         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3954         and vect_location.
3955         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3956         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3957         instead REPORT_UNVECTORIZED_LOOPS.
3958         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3959         and vect_loop_def to vect_external_def and vect_internal_def.
3960         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3961         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3962         REPORT_UNVECTORIZED_LOCATIONS.
3963         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3964         and vect_used_in_loop and to vect_unused_in_scope and 
3965         vect_used_in_scope.
3966         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3967         (vect_verbosity_level): Remove declaration.
3968         (vect_analyze_operations): Likewise.
3969         (vect_analyze_stmt): Declare.
3970         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3971         REPORT_UNVECTORIZED_LOCATIONS.
3972         (vect_get_loop_niters): Fix indentation.
3973         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3974         (vect_analyze_loop_operations): New function.
3975         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3976         vect_analyze_operations.
3977         (vect_is_simple_reduction): Use new names.
3978         (vectorizable_live_operation, vect_transform_loop): Likewise.
3979         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3980         to specify whether the data references can be a part of interleaving
3981         chain.
3982         (vect_analyze_data_ref_dependence): Use new names.
3983         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3984         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3985         * tree-vect-patterns.c (widened_name_p): Use new names.
3986         (vect_recog_dot_prod_pattern): Likewise.
3987         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3988         (process_use, vect_mark_stmts_to_be_vectorized, 
3989         vect_model_simple_cost, vect_model_store_cost,
3990         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3991         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3992         vectorizable_operation, vectorizable_type_demotion,
3993         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3994         vectorizable_condition): Likewise.
3995         (vect_analyze_operations): Split into vect_analyze_loop_operations
3996         and ...
3997         (vect_analyze_stmt): ... new function.
3998         (new_stmt_vec_info): Use new names.
3999         (vect_is_simple_use): Use new names and fix comment.
4000         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
4001         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
4003 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4005         PR target/39911
4006         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
4007         and integer modes for x87 operands.  Do not ICE for unsupported size,
4008         generate error instead.  Generate error for unsupported operand types.
4009         ['z']: Do not handle HImode memory operands specially.  Warning
4010         for floating-point operands.  Fallthru to 'Z' for unsupported operand
4011         types.  Do not ICE for unsupported size, generate error instead.
4012         (output_387_binary_op): Use %Z to output operands.
4013         (output_fp_compare): Ditto.
4014         (output_387_reg_move): Ditto.
4016 2009-04-28  Ben Elliston  <bje@au.ibm.com>
4018         PR c++/35652
4019         Revert:
4021         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4023         * builtins.c (c_strlen): Do not warn here.
4024         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4025         * c-common.c (pointer_int_sum): Take an explicit location.
4026         Warn about offsets out of bounds.
4027         * c-common.h (pointer_int_sum): Adjust declaration.
4029 2009-04-27  Ian Lance Taylor  <iant@google.com>
4031         * collect2.c (is_ctor_dtor): Change type of ret field in struct
4032         names to symkind.
4033         * dce.c (run_fast_df_dce): Change type of old_flags to int.
4034         * df-core.c (df_set_flags): Change return type to int.  Change
4035         type of old_flags to int.
4036         (df_clear_flags): Likewise.
4037         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
4038         (df_get_conditional_uses): Likewise.
4039         * df.h (df_set_flags, df_clear_flags): Update declarations.
4040         * dwarf2out.c (struct indirect_string_node): Change type of form
4041         field to enum dwarf_form.
4042         (AT_string_form): Change return type to enum dwarf_form.
4043         * fixed-value.c (fixed_compare): Add cast to enum type.
4044         * fwprop.c (update_df): Change 0 to VOIDmode.
4045         * gensupport.c: Change 0 to UNKNOWN.
4046         * gimple.h (gimple_cond_code): Add cast to enum type.
4047         * haifa-sched.c (reemit_notes): Add cast to enum type.
4048         * hooks.c (hook_int_void_no_regs): Remove function.
4049         * hooks.h (hook_int_void_no_regs): Remove declaration.
4050         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
4051         * predict.c (combine_predictions_for_insn): Add casts to enum type.
4052         * real.c (real_arithmetic): Add cast to enum type.
4053         (real_compare): Likewise.
4054         * target.h (struct gcc_target): Change return type of
4055         branch_target_register_class to enum reg_class.
4056         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
4057         default_branch_target_register_class.
4058         * targhooks.c (default_branch_target_register_class): New function.
4059         * targhooks.h (default_branch_target_register_class): Declare.
4060         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
4061         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
4062         cast to int.
4063         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
4064         ERROR_MARK.
4065         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
4066         vect_uninitialized_def.  Change 0 to ERROR_MARK.
4067         * tree-vect-stmts.c (supportable_widening_operation): Don't
4068         initialize icode1 and icode2.
4069         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
4070         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
4071         and to STD_C89.
4072         (cmn_err_flag_specs): Change 0 to STD_C89.
4073         (cmn_err_char_table): Likewise.
4074         * config/arm/arm.c (get_arm_condition_code): Change type of code
4075         to enum arm_cond_code.
4076         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
4077         (IWMMXT_BUILTIN2): Likewise.
4078         (neon_builtin_type_bits): Don't define typedef.
4079         (neon_builtin_datum): Change type of bits field to int.
4080         (arm_expand_neon_args): Add cast to enum type.
4081         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
4082         TLS_MODEL_NONE.
4083         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
4084         casts to enum type.
4085         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
4086         MIPS_FP_COND_f.
4087         * config/mips/mips.md (jal_macro): Return enum constant.
4088         (single_insn): Likewise.
4089         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
4090         CODE_FOR_nothing.
4091         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4092         casts to enum type.
4093         * config/s390/s390.c (s390_tune_flags): Change type to int.
4094         (s390_arch_flags): Likewise.
4095         (s390_handle_arch_option): Change flags field of struct pta to int.
4096         * config/s390/s390.h (s390_tune_flags): Update declaration.
4097         (s390_arch_flags): Likewise.
4098         * config/sh/sh.c (prepare_move_operands): Compare
4099         tls_symbolic_operand result with enum constant.
4100         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
4101         (sh_expand_prologue): Add cast to enum type.
4102         (sh_expand_epilogue): Likewise.
4103         (tls_symbolic_operand): Change return type to enum tls_model.
4104         (fpscr_set_from_mem): Add cast to enum type.
4105         (legitimize_pic_address): Compare tls_symbolic_operand result with
4106         enum constant.
4107         (sh_target_reg_class): Change return type to enum reg_class.
4108         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
4109         PROCESSOR_xxx.
4110         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
4111         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
4112         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
4113         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
4114         (delayed_branch, tls_call_delay): Likewise.
4115         (eligible_for_sibcall_delay): Likewise.
4116         (eligible_for_return_delay): Likewise. 
4117         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
4118         (spu_expand_builtin_1): Likewise.
4120         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
4121         for all types of conversions.
4122         (output_init_element): Issue -Wc++-compat warning if needed when
4123         initializing a bitfield with enum type.
4124         * c-parser.c (c_parser_expression): Set original_type to
4125         original_type of right hand operand of comman operator.
4127 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4129         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
4130         grammar nits.
4131         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
4132         * doc/cpp.texi (Standard Predefined Macros)
4133         (Implementation-defined behavior): Likewise.
4134         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
4135         * doc/gimple.texi (GIMPLE Exception Handling)
4136         (@code{GIMPLE_ASSIGN}): Likewise.
4137         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
4138         * doc/invoke.texi (Warning Options, Optimize Options)
4139         (AVR Options, Darwin Options): Likewise.
4140         (Optimize Options): Reformulate -fwhole-program description.
4141         * doc/loop.texi (Lambda): Likewise.
4142         * doc/md.texi (Output Template, Define Constraints)
4143         (Standard Names, Insn Splitting): Likewise.
4144         * doc/options.texi (Option properties): Likewise.
4145         * doc/passes.texi (Tree-SSA passes): Likewise.
4146         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
4147         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
4148         (File Names and DBX): Likewise.
4149         * doc/trouble.texi (Incompatibilities): Likewise.
4151 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4153         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
4154         instruction is correct.
4156 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4158         Allow non-constant arguments to conversion intrinsics.
4159         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
4160         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
4161         * spu.c (print_operand): Handle 'v' and 'w'.
4162         (exp2_immediate_p, spu_gen_exp2): Define.
4163         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
4164         spu_convtf_1): Update parameter descriptions.
4165         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
4166         * constraints.md ('v', 'w'): New.
4167         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
4168         Remove.
4169         (i2f, I2F): New define_mode_attr.
4170         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
4171         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
4172         fixuns_truncv4sfv4si2):  Update to use mode attribute.
4173         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
4174         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
4175         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
4176         patterns for combine.
4178 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
4180         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
4181         (cprop, hoist, pre, store_motion): New debug counters.
4182         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
4183         is not an RTL pass anymore.
4184         (pass_profiling): Remove extern decl for pass removed in 2005.
4185         (pass_gcse, pass_jump_bypass): Remove.
4186         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
4187         to 0 for clean state.
4188         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
4189         * cse.c (gate_handle_cse_after_global_opts,
4190         rest_of_handle_cse_after_global_opts): New functions.
4191         (pass_cse_after_global_opts): New pass, does local CSE.
4192         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
4193         (TV_CPROP): New timevar.
4194         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
4195         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
4196         (gcse_main, recompute_all_luids): Remove.
4197         (compute_hash_table_work): Call max_reg_num instead of reading
4198         max_gcse_regno.
4199         (cprop_jump): Don't set run_jump_opt_after_gcse.
4200         (constprop_register): Always allow to alter jumps.
4201         (cprop_insn): Likewise.
4202         (do_local_cprop): Likewise.
4203         (local_cprop_pass): Likewise.  Return non-zero if something changed.
4204         (cprop): Remove function, fold interesting bits into one_cprop_pass.
4205         (find_implicit_sets): Add note about missed optimization opportunity.
4206         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
4207         pass_rtl_cprop execute function.
4208         Don't bother tracking the pass number, each pass gets its own dumpfile
4209         now anyway.
4210         Always allow to alter jumpsand bypass jumps.
4211         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
4212         will just find no suitable set.
4213         (pre_edge_insert): Fix dumping, this function is for PRE only.
4214         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
4215         pass_rtl_pre execute function.
4216         (hoist_code): Return non-zero if something changed.  Keep track of
4217         substitutions and insertions for statistics gathering similar to PRE.
4218         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
4219         called from the pass_rtl_hoist execute function.  Show pass statistics.
4220         (compute_store_table): Use max_reg_num directly instead of using the
4221         formerly global max_gcse_regno.
4222         (build_store_vectors): Likewise.
4223         (replace_store_insn): Fix dumping.
4224         (store_motion): Rename to ...
4225         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
4226         pass, called from the pass_rtl_store_motion execute function.  Keep
4227         track of substitutions and insertions for statistics gathering similar
4228         to PRE.
4229         (bypass_jumps): Remove, fold interesting bits into ...
4230         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
4231         from the pass_rtl_cprop execute function.
4232         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4233         pass_jump_bypass): Remove.
4234         (gate_handle_gcse, rest_of_handle_gcse): Remove.
4235         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
4236         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
4237         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
4238         (gate_rtl_store_motion, execute_rtl_store_motion,
4239         pass_rtl_store_motion): New.
4240         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
4241         make it clear that -fcse-skip-blocks is a no-op for backward compat.
4242         * passes.c (init_optimization_passes): Remove pass_gcse and
4243         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
4244         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
4245         instead of pass_jump_bypass.
4247 2009-04-27  Richard Guenther  <rguenther@suse.de>
4249         PR middle-end/39928
4250         * gimplify.c (gimplify_expr): If we are required to create
4251         a temporary make sure it ends up as register.
4253 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4255         PR target/39903
4256         * config/i386/i386.c (construct_container): Don't call
4257         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
4258         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
4260 2009-04-27  Michael Matz  <matz@suse.de>
4262         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
4263         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
4264         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
4265         (dump_replaceable_exprs): Take a bitmap.
4266         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
4267         array.
4268         (expand_gimple_basic_block): Likewise.
4269         * tree-ssa-ter.c (struct temp_expr_table_d): Make
4270         replaceable_expressions member a bitmap.
4271         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
4272         (mark_replaceable): Likewise.
4273         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
4274         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
4276 2009-04-27  Richard Guenther  <rguenther@suse.de>
4278         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
4279         (verify_stmts): Dispatch to gimple/type verification code.
4280         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
4281         issue with call argument types.
4283 2009-04-27  Michael Matz  <matz@suse.de>
4285         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
4286         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
4287         to above.
4289 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
4290             Eric Botcazou  <ebotcazou@adacore.com>
4292         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
4293         a label's basic block.
4294         (mark_target_live_regs): Tidy and rework obsolete comments.
4295         Change back DF problem to LIVE.  If a label starts a basic block,
4296         assume that all registers that used to be live then still are.
4297         (init_resource_info): If a label starts a basic block, set its
4298         BLOCK_FOR_INSN accordingly.
4299         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
4301 2009-04-27  Richard Guenther  <rguenther@suse.de>
4303         * tree-flow-inline.h (function_ann): Remove.
4304         (get_function_ann): Likewise.
4305         * tree-dfa.c (create_function_ann): Remove.
4306         * tree-flow.h (struct static_var_ann_d): Remove.
4307         (struct function_ann_d): Likewise.
4308         (union tree_ann_d): Remove fdecl member.
4309         (function_ann_t): Remove.
4310         (function_ann, get_function_ann, create_function_ann): Remove
4311         declarations.
4313 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
4315         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
4317 2009-04-27  Jan Hubicka  <jh@suse.cz>
4319         * ipa-pure-const.c (struct funct_state_d): New fields
4320         state_previously_known, looping_previously_known; remove
4321         state_set_in_source.
4322         (analyze_function): Use new fields.
4323         (propagate): Avoid assumption that state_set_in_source imply
4324         nonlooping.
4326         * tree-ssa-loop-niter.c (finite_loop_p): New function.
4327         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
4328         * cfgloop.h (finite_loop_p): Declare.
4330 2009-04-26  Michael Matz  <matz@suse.de>
4332         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
4334 2009-04-26  Michael Matz  <matz@suse.de>
4336         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
4337         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
4338         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
4339         pass_mark_used_blocks): Remove.
4340         * tree-optimize.c (pass_free_datastructures,
4341         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
4342         * passes.c (init_optimization_passes): Don't call
4343         pass_mark_used_blocks, remove dead code.
4345 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
4347         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
4348         * tree-ssa-live.h (register_ssa_partition): Likewise.
4350 2009-04-26  Michael Matz  <matz@suse.de>
4352         Expand from SSA.
4353         * builtins.c (fold_builtin_next_arg): Handle SSA names.
4354         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
4355         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
4356         SSA names. 
4357         (compare_pairs): Swap cost comparison.
4358         (coalesce_ssa_name): Don't use change_partition_var.
4359         * tree-nrv.c (struct nrv_data): Add modified member.
4360         (finalize_nrv_r): Set it.
4361         (tree_nrv): Use it to update statements.
4362         (pass_nrv): Require PROP_ssa.
4363         * tree-mudflap.c (mf_decl_cache_locals,
4364         mf_build_check_statement_for): Use make_rename_temp.
4365         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
4366         * alias.c (find_base_decl): Handle SSA names.
4367         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
4368         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
4369         * rtl.h (set_reg_attrs_for_parm): Declare.
4370         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
4371         to "optimized", remove unused locals at finish.
4372         (execute_free_datastructures): Make global, call
4373         delete_tree_cfg_annotations.
4374         (execute_free_cfg_annotations): Don't call
4375         delete_tree_cfg_annotations.
4377         * ssaexpand.h: New file.
4378         * expr.c (toplevel): Include ssaexpand.h.
4379         (expand_assignment): Handle SSA names the same as register variables.
4380         (expand_expr_real_1): Expand SSA names.
4381         * cfgexpand.c (toplevel): Include ssaexpand.h.
4382         (SA): New global variable.
4383         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
4384         (SSAVAR): New macro.
4385         (set_rtl): New helper function.
4386         (add_stack_var): Deal with SSA names, use set_rtl.
4387         (expand_one_stack_var_at): Likewise.
4388         (expand_one_stack_var): Deal with SSA names.
4389         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
4390         before unique numbers.
4391         (expand_stack_vars): Use set_rtl.
4392         (expand_one_var): Accept SSA names, add asserts for them, feed them
4393         to above subroutines.
4394         (expand_used_vars): Expand all partitions (without default defs),
4395         then only the local decls (ignoring those expanded already).
4396         (expand_gimple_cond): Remove edges when jumpif() expands an
4397         unconditional jump.
4398         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
4399         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
4400         SSA name.
4401         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
4402         members of SA; deal with PARM_DECL partitions here; expand
4403         all PHI nodes, free tree datastructures and SA.  Commit instructions
4404         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
4405         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
4406         info and statements at start, collect garbage at finish.
4407         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
4408         (VAR_ANN_PARTITION) Remove.
4409         (change_partition_var): Don't declare.
4410         (partition_to_var): Always return SSA names.
4411         (var_to_partition): Only accept SSA names.
4412         (register_ssa_partition): Only check argument.
4413         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
4414         member.
4415         (delete_var_map): Don't free it.
4416         (var_union): Only accept SSA names, simplify.
4417         (partition_view_init): Mark only useful SSA names as used.
4418         (partition_view_fini): Only deal with SSA names.
4419         (change_partition_var): Remove.
4420         (dump_var_map): Use ssa_name instead of partition_to_var member.
4421         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
4422         basic blocks.
4423         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
4424         (struct _elim_graph): New member const_dests; nodes member vector of
4425         ints.
4426         (set_location_for_edge): New static helper.
4427         (create_temp): Remove.
4428         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
4429         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
4430         (new_elim_graph): Allocate const_dests member.
4431         (clean_elim_graph): Truncate const_dests member.
4432         (delete_elim_graph): Free const_dests member.
4433         (elim_graph_size): Adapt to new type of nodes member.
4434         (elim_graph_add_node): Likewise.
4435         (eliminate_name): Likewise.
4436         (eliminate_build): Don't take basic block argument, deal only with
4437         partition numbers, not variables.
4438         (get_temp_reg): New static helper.
4439         (elim_create): Use it, deal with RTL temporaries instead of trees.
4440         (eliminate_phi): Adjust all calls to new signature.
4441         (assign_vars, replace_use_variable, replace_def_variable): Remove.
4442         (rewrite_trees): Only do checking.
4443         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
4444         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
4445         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
4446         contains_tree_r, MAX_STMTS_IN_LATCH,
4447         process_single_block_loop_latch, analyze_edges_for_bb,
4448         perform_edge_inserts): Remove.
4449         (expand_phi_nodes): New global function.
4450         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
4451         functions, initialize new parameter, remember partitions having a
4452         default def.
4453         (finish_out_of_ssa): New global function.
4454         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
4455         don't reset in_ssa_p here, don't disable TER when mudflap.
4456         (pass_del_ssa): Remove.
4457         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
4458         partition members.
4459         (execute_free_datastructures): Declare.
4460         * Makefile.in (SSAEXPAND_H): New variable.
4461         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
4462         * basic-block.h (commit_one_edge_insertion): Declare.
4463         * passes.c (init_optimization_passes): Move pass_nrv and
4464         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
4465         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
4466         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
4467         (redirect_branch_edge): Deal with super block when expanding, split
4468         out jump patching itself into ...
4469         (patch_jump_insn): ... here, new static helper.
4471 2009-04-26  Michael Matz  <matz@suse.de>
4473         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
4474         beyond num_ssa_names.
4475         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
4476         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4478 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4480         PR inline-asm/39543
4481         * fwprop.c (forward_propagate_asm): New function.
4482         (forward_propagate_and_simplify): Propagate also into __asm, if it
4483         doesn't increase the number of referenced registers.
4485         PR c/39889
4486         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
4488 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4490         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
4491         note_nonlocal_vla_type for nonlocal VLAs.
4492         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
4493         contains_remapped_vars, remap_vla_decls): New functions.
4494         (convert_nonlocal_reference_stmt): If not optimizing, call
4495         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
4496         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
4497         if it wasn't found in var_map.
4498         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
4499         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
4500         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
4501         declare_vars.
4502         * gimplify.c (nonlocal_vlas): New variable.
4503         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
4504         referenced VLAs.
4505         (gimplify_body): Create and destroy nonlocal_vlas.
4507         * dwarf2out.c (loc_descr_plus_const): New function.
4508         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
4509         mem_loc_descriptor, loc_descriptor_from_tree_1,
4510         descr_info_loc, gen_variable_die): Use it.
4512         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
4513         !TREE_STATIC VAR_DECLs.
4514         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
4515         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
4516         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
4517         DECL_BY_REFERENCE is valid.
4518         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
4519         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
4520         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
4521         Copy DECL_BY_REFERENCE.
4522         (struct nesting_copy_body_data): New type.
4523         (nesting_copy_decl): New function.
4524         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
4525         if they have variable length.
4527 2009-04-26  Michael Matz  <matz@suse.de>
4529         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
4530         mark new temporaries for renaming.
4532 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4534         PR c/39581
4535         * c-decl.c (global_bindings_p): Return negative value.
4536         (c_variable_size): New.  Based on variable_size from
4537         stor-layout.c.
4538         (grokdeclarator): Call c_variable_size not variable_size.
4540 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
4542         * config/i386/i386.c (print_operand) ['z']: Fix typo.
4544 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
4546         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
4547         Redefine it to just use mingw/include.
4548         (ASM_SPEC): Rules for -m32 and -m64.
4549         (LINK_SPEC): Use Likewise.
4550         (SPEC_32): New define.
4551         (SPEC_64): Likewise.
4552         (SUB_LINK_SPEC): Likewise.
4553         (MULTILIB_DEFAULTS): New define.
4554         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
4555         Add multilib options.
4556         (MULTILIB_DIRNAMES): Likewise.
4557         (MULTILIB_OSDIRNAMES): Likewise.
4558         (LIBGCC): Likewise.
4559         (INSTALL_LIBGCC): Likewise.
4561 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4563         PR c/39556
4564         * c-tree.h (enum c_inline_static_type): New.
4565         (record_inline_static): Declare.
4566         * c-decl.c (struct c_inline_static, c_inline_statics,
4567         record_inline_static, check_inline_statics): New.
4568         (pop_file_scope): Call check_inline_statics.
4569         (start_decl): Call record_inline_static instead of pedwarning
4570         directly for static in inline function.
4571         * c-typeck.c (build_external_ref): Call record_inline_static
4572         instead of pedwarning directly for static referenced in inline
4573         function.
4575 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
4577         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
4578         not new but only being rescanned.
4579         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
4580         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
4581         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
4582         record_set_info, compute_set, grealloc): Remove.
4583         (recompute_all_luids): New function.
4584         (gcse_main): Don't compute sets, and don't do related memory
4585         allocations/free-ing.  If something changed before the end of the
4586         pass, update LUIDs using recompute_all_luids.
4587         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
4588         (free_gcse_mem): Don't free it either.
4589         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
4590         Use the df insn LUIDs.
4591         (load_killed_in_block): Likewise.
4592         (compute_hash_table_work): Don't compute reg_set_in_block.
4593         (compute_transp): Use DF_REG_DEF_CHAINs.
4594         (local_cprop_pass): Don't use compute_sets and related functions.
4595         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
4596         Use get_max_uid() instead of max_cuid.
4597         (insert_insn_end_basic_block, pre_insert_copy_insn,
4598         update_ld_motion_stores): Don't try to
4599         keep reg_set tables up to date.
4600         (pre_insert_copies): Use df insn LUIDs.
4601         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
4602         (reg_set_info): Don't use extra bitmap argument.
4603         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
4604         information to compute regs_set_in_block.
4605         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
4606         (bypass_jumps): Don't use compute_sets and friends.
4608 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4610         PR testsuite/39710
4611         * opts.c (undocumented_msg): Do not leave blank even with
4612         ENABLE_CHECKING.
4614 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4616         * c-decl.c (build_enumerator): Allow values folding to integer
4617         constants but not integer constant expressions with a pedwarn if
4618         pedantic.
4620 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4622         PR c/39582
4623         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
4624         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
4625         type is an integer constant.
4627 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4629         PR target/39897
4630         * config/i386/i386.c (print_operand) ['z']: Revert handling of
4631         HImode operands.
4633 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4635         PR c/39564
4636         * c-decl.c (grokdeclarator): Diagnose declarations of functions
4637         with variably modified return type and no storage class
4638         specifiers, except for the case of nested functions.  Distinguish
4639         extern declarations of functions with variably modified return
4640         types from those of objects with variably modified types.
4642 2009-04-25  Jan Hubicka  <jh@suse.cz>
4644         * tree.c (list_equal_p): New function.
4645         * tree.h (list_equal_p): Declare.
4646         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4647         basic_block_def, basic_block, const_basic_block): New.
4648         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
4649         (redirect_eh_edge): New function.
4650         (make_eh_edge_update_phi): EH edges are not abnormal.
4651         * except.c: Include tree-flow.h.
4652         (list_match): New function.
4653         (eh_region_replaceable_by_p): New function.
4654         (replace_region): New function.
4655         (hash_type_list): New function.
4656         (hash_eh_region): New function.
4657         (eh_regions_equal_p): New function.
4658         (merge_peers): New function.
4659         (remove_unreachable_regions): Verify EH tree when checking;
4660         merge peers.
4661         (copy_eh_region_1): New function.
4662         (copy_eh_region): New function.
4663         (push_reachable_handler): New function.
4664         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
4665         regions without label but with live RESX.
4666         * except.h (redirect_eh_edge_to_label): New.
4667         * tree-flow.h (redirect_eh_edge): New.
4668         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4669         basic_block_def, basic_block, const_basic_block): Remove.
4670         * Makefile.in (except.o): Add dependency on tree-flow.h
4671         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
4672         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
4673         Remove.
4675 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
4677         PR bootstrap/39645
4678         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
4679         on the destination of memcpy.
4681 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
4683         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
4684         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
4685         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
4687 2009-04-25  Jan Hubicka  <jh@suse.cz>
4689         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
4690         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
4691         to be reached by different label than left.
4692         (update_eh_edges): Update comment; remove edge_to_remove if possible
4693         and return true if suceeded.
4694         (cleanup_empty_eh): Accept sharing map; handle shared regions.
4695         (cleanup_eh): Compute sharing map.
4696         * except.c (remove_eh_handler_and_replace): Add argument if we should
4697         update regions.
4698         (remove_unreachable_regions): Update for label sharing.
4699         (label_to_region_map): Likewise.
4700         (get_next_region_sharing_label): New function.
4701         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
4702         prev_try pointers.
4703         (remove_eh_handler): Update.
4704         (remove_eh_region_and_replace_by_outer_of): New function.
4705         * except.h (struct eh_region): Add next_region_sharing_label.
4706         (remove_eh_region_and_replace_by_outer_of,
4707         get_next_region_sharing_label): Declare.
4708         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
4710 2009-04-25  Jan Hubicka  <jh@suse.cz>
4712         * tree-cfg.c (split_critical_edges): Split also edges where we can't
4713         insert code even if they are not critical.
4715 2009-04-25  Jan Hubicka  <jh@suse.cz>
4717         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4718         (gimple_can_remove_branch_p): EH edges won't remove branch by
4719         redirection.
4720         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
4721         updating of non-abnormal EH edges.
4722         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4723         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
4724         (split_critical_edges): Split also edges where emitting code on them
4725         will lead to splitting later.
4727 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4728             H.J. Lu  <hongjiu.lu@intel.com>
4730         PR target/39590
4731         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
4732         the configured assembler supports fildq and fistpq mnemonics.
4733         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
4734         * configure: Regenerated.
4735         * config.in: Ditto.
4737         * config/i386/i386.c (print_operand): Handle 'Z'.
4738         ['z']: Remove handling of special fild/fist suffixes.
4739         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
4740         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
4741         suffix of fild insn.
4742         (*floatsi<mode>2_vector_mixed): Ditto.
4743         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
4744         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
4745         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4746         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
4747         * config/i386/gas.h (GAS_MNEMONICS): Remove.
4749 2009-04-25  Ben Elliston  <bje@au.ibm.com>
4751         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
4752         the source of a set operation.
4754 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
4756         * target.h (struct gcc_target): Add case_values_threshold field.
4757         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
4758         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
4759         * targhooks.c (default_case_values_threshold): New function.
4760         * targhooks.h (default_case_values_threshold): Declare function.
4761         * stmt.c (expand_case): Use case_values_threshold target hook.
4762         * expr.h (case_values_threshold): Remove declartation.
4763         * expr.c (case_values_threshold): Remove function.
4764         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
4766         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
4767         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4768         (avr_case_values_threshold): Declare as static.
4769         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4771         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4772         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4773         (mn10300_case_values_threshold): New function.
4775 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4777         * ira.c (setup_cover_and_important_classes): Add enum cast.
4779 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4781         * genpreds.c (write_enum_constraint_num): Output definition of
4782         CONSTRAINT_NUM_DEFINED_P macro.
4783         * ira.c (setup_cover_and_important_classes): Use
4784         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4785         
4786 2009-04-24  DJ Delorie  <dj@redhat.com>
4788         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4789         __SH2A_SINGLE_ONLY__ also.
4791 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4793         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4794         (movdf_internal): Ditto.
4795         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4796         SFmode and DFmode constants.
4797         (ia64_print_operand): Add 'G' format for printing
4798         floating point constants.
4800 2009-04-24  Richard Guenther  <rguenther@suse.de>
4802         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4803         from unsigned additions.
4805 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4807         * c-typeck.c (set_init_index): Allow array designators that are
4808         not integer constant expressions with a pedwarn if pedantic.
4810 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4812         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4813         zero if no overlap in nonzero bits between the operands.
4815 2009-04-24  Ian Lance Taylor  <iant@google.com>
4817         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4818         (record_dead_and_set_regs): Likewise.
4819         * df.h (struct df_mw_hardreg): Change flags field to int.
4820         (struct df_base_ref): Likewise.
4821         (struct df): Change changeable_flags field to int.
4822         * df-scan.c (df_defs_record): Change clobber_flags to int.
4823         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4824         constants rather than #define macros.
4825         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4826         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4827         (enum dwarf_calling_convention): Likewise.
4828         (enum dwarf_line_number_x_ops): Likewise.
4829         (enum dwarf_call_frame_info): Likewise.
4830         (enum dwarf_source_language): Likewise.
4831         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4832         (add_calling_convention_attribute): Likewise.
4833         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4834         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4835         * genrecog.c (maybe_both_true_2): Change c to int.
4836         (write_switch): Likewise.  Add cast to enum type.
4837         * gimplify.c (gimplify_omp_for): Handle return values from
4838         gimplify_expr using MIN rather than bitwise or.
4839         (gimplify_expr): Add cast to enum type.
4840         * ipa-prop.c (update_jump_functions_after_inlining): Change
4841         IPA_BOTTOM to IPA_JF_UNKNOWN.
4842         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4843         Add casts to enum type.
4844         (setup_cover_and_important_classes): Change cl to int.  Add casts
4845         to enum type.
4846         (setup_class_translate): Change cl and mode to int.
4847         (ira_init_once): Change mode to int.
4848         (free_register_move_costs): Likewise.
4849         (setup_prohibited_mode_move_regs): Add casts to enum type.
4850         * langhooks.c (add_builtin_function_common): Rework assertion that
4851         value fits bitfield.
4852         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4853         * omega.c (omega_do_elimination): Avoid math on enum types.
4854         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4855         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4856         int local to handle integral_argment value.
4857         * regmove.c (try_auto_increment): Change PUT_MODE to
4858         PUT_REG_NOTE_KIND.
4859         * reload.c (push_secondary_reload): Add casts to enum type.
4860         (secondary_reload_class, find_valid_class): Likewise.
4861         * reload1.c (emit_input_reload_insns): Likewise.
4862         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4863         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4864         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4865         constant.
4866         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4867         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4868         enum type.
4869         (expand_complex_libcall): Add casts to enum type.
4870         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4871         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4872         with ERROR_MARK, not NUM_TREE_CODES.
4873         (vect_create_epilog_for_reduction): Likewise.
4874         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4875         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4876         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4877         enum machine_mode.
4878         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4879         vect_unused_in_loop.  Change 0 to loop_vect.
4880         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4881         * var-tracking.c (get_init_value): Change return type to enum
4882         var_init_status.
4883         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4884         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4885         arm_fp_model.
4886         (arm_override_options): Add casts to enum type.
4887         (arm_emit_tls_decoration): Likewise.
4888         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4889         to enum type.
4890         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4891         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4892         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4893         enum type.
4894         * config/s390/s390.c (code_for_builtin_64): Change to array of
4895         enum insn_code.
4896         (code_for_builtin_31): Likewise.
4897         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4898         const *.
4899         * config/sparc/sparc.c (sparc_override_options): Change value
4900         field in struct code_model to enum cmodel.  In initializer change
4901         0 to NULL and add cast to enum type.
4903         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4904         Change all callers.  Issue a -Wc++-compat warning using
4905         lhs_origtype if necessary.
4906         (convert_for_assignment): Issue -Wc++-compat warnings about
4907         invalid conversions to enum type on assignment.
4908         * c-common.h (build_modify_expr): Update declaration.
4910 2009-04-24  Nick Clifton  <nickc@redhat.com>
4912         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4913         (function_arg_advance): Likewise.
4914         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4915         5th alternative.
4917 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4919         * config/s390/constraints.md ('I', 'J'): Fix condition.
4921 2009-04-24  Diego Novillo  <dnovillo@google.com>
4923         * gengtype-parse.c (parse_error): Add newline after message.
4925 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4927         * config/i386/sse.md (avxmodesuffixs): Removed.
4928         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4929         (*avx_pinsr<ssevecsize>): This.
4931 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4933         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4934         follow chains of regs with a single definition, and allow expressions
4935         that are function_invariant_p.
4936         (simple_rhs_p): Allow expressions that are function_invariant_p.
4938 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4940         PR middle-end/39867
4941         * fold-const.c (fold_cond_expr_with_comparison): When folding
4942         > and >= to MAX, make sure the MAX uses the same type as the
4943         comparison's operands.
4945 2009-04-24  Nick Clifton  <nickc@redhat.com>
4947         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4948         addressing for DImode accesses.
4949         (frv_print_operand_address): Handle PLUS case.
4950         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4952 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4954         PR rtl-optimization/39794
4955         * alias.c (canon_true_dependence): Add x_addr argument.
4956         * rtl.h (canon_true_dependence): Adjust prototype.
4957         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4958         * cselib.c (cselib_invalidate_mem): Likewise.
4959         * gcse.c (compute_transp): Likewise.
4960         * dse.c (scan_reads_nospill): Likewise.
4961         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4962         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4963         canon_base_addr of the group, plus optional offset.
4964         (struct group_info): Rename canon_base_mem to
4965         canon_base_addr.
4966         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4967         canon_rtx of base_mem.
4969 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4971         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4972         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4974 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4976         * config/spu/spu-builtins.h: Delete file.
4978         * config/spu/spu.h (enum spu_builtin_type): Move here from
4979         spu-builtins.h.
4980         (struct spu_builtin_description): Likewise.  Add GTY marker.
4981         Do not use enum spu_function_code or enum insn_code.
4982         (spu_builtins): Add extern declaration.
4984         * config/spu/spu.c: Do not include "spu-builtins.h".
4985         (enum spu_function_code, enum spu_builtin_type_index,
4986         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4987         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4988         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4989         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4990         (spu_builtin_types): Make static.  Add GTY marker.
4991         (spu_builtins): Add extern declaration with GTY marker.
4992         Include "gt-spu.h".
4994         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4995         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4996         Check programmatically whether all parameters are scalar.
4998         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
5000 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
5002         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
5003         assignment from the constructor either if the target is volatile.
5005 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
5007         * config/arm/arm.md (insv): Do not share operands[0].
5009 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5011         * config/vxlib-tls.c (active_tls_threads): Delete.
5012         (delete_hook_installed): New.
5013         (tls_delete_hook): Don't delete the delete hook.
5014         (tls_destructor): Delete it here.
5015         (__gthread_set_specific): Adjust installing the delete hook.
5016         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
5017         __gthread_leave_tsd_dtor_context.
5019 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
5021         * c-format.c (gcc_tdiag_char_table): Add support for %E.
5023 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
5025         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
5026         enum type.
5027         (alpha_rtx_costs): Ditto.
5028         (emit_unlikely_jump): Use add_reg_note.
5029         (emit_frame_store_1): Ditto.
5030         (alpha_expand_prologue): Ditto.
5031         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5032         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
5034 2009-04-23  Nick Clifton  <nickc@redhat.com>
5036         * config/v850/v850.md (epilogue): Remove suppressed code.
5037         (return): Rename to return_simple and remove test of frame size.
5038         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
5039         to gen_return_simple.
5041 2009-04-22  Jing Yu  <jingyu@google.com>
5043         PR testsuite/39781
5044         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5046 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5048         PR C/31499
5049         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
5050         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
5051         value is a VECTOR_CST, the element type is the element type of the
5052         vector.
5054 2009-04-22  DJ Delorie  <dj@redhat.com>
5056         * config/m32c/m32c.h: Update GTY annotations to new syntax.
5058 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
5060         * alias.c (find_base_term): Move around LO_SUM case, so that
5061         CONST falls through into PLUS/MINUS handling.
5063         PR c/39855
5064         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
5065         into 0, use omit_one_operand.
5067 2009-04-23  Ben Elliston  <bje@au.ibm.com>
5069         * config/rs6000/linux-unwind.h (get_regs): Remove type
5070         puns. Change the type of `pc' to an array of unsigned ints and
5071         update all users.  Constify frame24.
5073 2009-04-22  DJ Delorie  <dj@redhat.com>
5075         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
5076         declarations before code.
5077         (current_function_special_page_vector): Likewise.
5078         (m32c_expand_insv): Silence a warning.
5080 2009-04-21  Taras Glek  <tglek@mozilla.com>
5082         * alias.c: Update GTY annotations to new syntax.
5083         * basic-block.h: Likewise.
5084         * bitmap.h: Likewise.
5085         * c-common.h: Likewise.
5086         * c-decl.c: Likewise.
5087         * c-parser.c: Likewise.
5088         * c-pragma.c: Likewise.
5089         * c-tree.h: Likewise.
5090         * cfgloop.h: Likewise.
5091         * cgraph.h: Likewise.
5092         * config/alpha/alpha.c: Likewise.
5093         * config/arm/arm.h: Likewise.
5094         * config/avr/avr.h: Likewise.
5095         * config/bfin/bfin.c: Likewise.
5096         * config/cris/cris.c: Likewise.
5097         * config/darwin.c: Likewise.
5098         * config/frv/frv.c: Likewise.
5099         * config/i386/i386.c: Likewise.
5100         * config/i386/i386.h: Likewise.
5101         * config/i386/winnt.c: Likewise.
5102         * config/ia64/ia64.h: Likewise.
5103         * config/iq2000/iq2000.c: Likewise.
5104         * config/mips/mips.c: Likewise.
5105         * config/mmix/mmix.h: Likewise.
5106         * config/pa/pa.c: Likewise.
5107         * config/pa/pa.h: Likewise.
5108         * config/rs6000/rs6000.c: Likewise.
5109         * config/s390/s390.c: Likewise.
5110         * config/sparc/sparc.c: Likewise.
5111         * config/xtensa/xtensa.c: Likewise.
5112         * cselib.h: Likewise.
5113         * dbxout.c: Likewise.
5114         * dwarf2out.c: Likewise.
5115         * except.c: Likewise.
5116         * except.h: Likewise.
5117         * fixed-value.h: Likewise.
5118         * function.c: Likewise.
5119         * function.h: Likewise.
5120         * gimple.h: Likewise.
5121         * integrate.c: Likewise.
5122         * optabs.c: Likewise.
5123         * output.h: Likewise.
5124         * real.h: Likewise.
5125         * rtl.h: Likewise.
5126         * stringpool.c: Likewise.
5127         * tree-data-ref.c: Likewise.
5128         * tree-flow.h: Likewise.
5129         * tree-scalar-evolution.c: Likewise.
5130         * tree-ssa-address.c: Likewise.
5131         * tree-ssa-alias.h: Likewise.
5132         * tree-ssa-operands.h: Likewise.
5133         * tree.c: Likewise.
5134         * tree.h: Likewise.
5135         * varasm.c: Likewise.
5136         * varray.h: Likewise.
5137         * vec.h: Likewise.
5138         * coretypes.h: Do not define GTY macro if it is already defined.
5139         * doc/gty.texi: Update GTY documentation to new syntax.
5140         * gengtype-lex.l: Enforce attribute-like syntax for GTY
5141         annotations on structs.
5142         * gengtype-parse.c: Likewise.
5144 2009-04-22  Mark Heffernan  <meheff@google.com>
5146         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
5148 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5150         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
5151         where appropriate.
5153 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
5155         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
5156         the same as a PLUS without a shift.  Increase the cost of a
5157         CONST_INT in MULT.
5159 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5161         * Makefile.in: Update dependencies.
5162         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
5163         * errors.h: Remove bogus comment about compatibility.
5164         (warning): Update declaration.
5165         * genautomata.c: Update all calls to warning.
5166         * gimple.c: Do not include errors.h. Include toplev.h.
5167         * tree-ssa-structalias.c: Do not include errors.h.
5168         * omega.c: Likewise.
5169         * tree-ssa-reassoc.c: Likewise.
5170         * config/spu/spu-c.c: Likewise.
5171         * config/spu/t-spu-elf: Update dependencies.
5173 2009-04-22  Richard Guenther  <rguenther@suse.de>
5175         PR tree-optimization/39824
5176         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
5177         make sure the types are compatible.
5179 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5181         PR c++/14875
5182         * c-common.c (c_parse_error): Take a token_flags parameter.
5183         Use token_type for the token type instead.
5184         Pass token_flags to cpp_type2name.
5185         * c-common.h (c_parse_error): Update declaration.
5186         * c-parser.c (c_parser_error): Pass 0 as token flags.
5188 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
5190         PR rtl-optimization/39580
5191         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
5192         
5193 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5195         * function.c (expand_function_end): Do not emit a jump to the "naked"
5196         return label for fall-through returns.
5197         * except.c (sjlj_emit_function_exit): Always place the call to the
5198         unregister function at the location installed by expand_function_end.
5200 2009-04-22  Richard Guenther  <rguenther@suse.de>
5202         PR tree-optimization/39845
5203         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
5204         (gen_inbound_check): Likewise.
5206 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5208         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
5209         padding for PPC.
5210         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
5211         * config/vxlib.c (__gthread_once): Add race guard for PPC.
5213 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5215         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
5216         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
5217         shift counts to avoid out-of-bounds array accesses.
5219 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5221         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
5222         (Pmode): Move above.
5224 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
5226         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
5227         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
5228         GET_CODE macro.  Use IN_RANGE macro where appropriate.
5229         * config/alpha/alpha.h: Ditto.
5230         * config/alpha/alpha.md: Ditto.
5231         * config/alpha/constraints.md: Ditto.
5232         * config/alpha/predicates.md: Ditto.
5233         
5234 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
5236         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
5237         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5238         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5239         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5240         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5241         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5242         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5243         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5244         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5245         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5246         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5247         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5248         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5249         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5250         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5251         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5252         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5253         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5254         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5255         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5256         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5257         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5258         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5259         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5260         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5261         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5262         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5264 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5266         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
5267         references from comments.
5268         * cfgbuild.c: (count_basic_blocks): Delete.
5269         (find_basic_blocks_1): Delete.
5270         (find_basic_blocks): Delete.
5271         * except.c (finish_eh_generation): Make static.  Move comment from
5272         except.h here.  Remove find_basic_blocks references from comments.
5273         * except.h (finish_eh_generation): Delete.
5274         * basic-block.h (find_basic_blocks): Delete.
5275         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
5277 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5279         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
5280         (sdbout_parms):  Likewise.
5282 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5284         * config/sh/sh.c (prepare_cbranch_operands): Use
5285         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
5286         (expand_cbranchdi4): Likewise.
5287         (from_compare): Add cast to enum type.
5288         (expand_cbranchsi4): Use add_reg_note.
5289         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
5290         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
5291         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
5292         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5293         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
5294         instead of CODE_FOR_nothing.
5295         (cbranchdi4): Likewise.  Fix the order of arguments for
5296         gen_rtx_fmt_ee.
5297         (push_fpscr): Use add_reg_note.
5298         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
5299         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
5300         
5301 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
5303         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
5304         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5305         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5306         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
5307         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
5308         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
5309         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
5310         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
5311         config/alpha/x-vms, config/arc/t-arc,
5312         config/arm/README-interworking, config/arm/arm-c.c,
5313         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
5314         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
5315         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
5316         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
5317         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
5318         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
5319         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
5320         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
5321         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
5322         config/cris/t-elfmulti, config/crx/t-crx,
5323         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
5324         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
5325         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
5326         config/h8300/t-h8300, config/i386/athlon.md,
5327         config/i386/darwin-libgcc.10.4.ver,
5328         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
5329         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
5330         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
5331         config/i386/t-linux64, config/i386/t-nwld,
5332         config/i386/t-rtems-i386, config/i386/t-sol2-10,
5333         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
5334         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
5335         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
5336         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
5337         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
5338         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
5339         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
5340         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
5341         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
5342         config/m68k/t-uclinux, config/mcore/t-mcore,
5343         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
5344         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
5345         config/mips/crtn.asm, config/mips/irix-crti.asm,
5346         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
5347         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
5348         config/mips/mips-fixed.md, config/mips/sb1.md,
5349         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
5350         config/mips/t-iris6, config/mips/t-isa3264,
5351         config/mips/t-libgcc-mips16, config/mips/t-linux64,
5352         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
5353         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
5354         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
5355         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
5356         config/mn10300/t-linux, config/mn10300/t-mn10300,
5357         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
5358         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
5359         config/picochip/libgccExtras/clzsi2.asm,
5360         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
5361         config/rs6000/darwin-libgcc.10.4.ver,
5362         config/rs6000/darwin-libgcc.10.5.ver,
5363         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
5364         config/rs6000/t-aix43, config/rs6000/t-aix52,
5365         config/rs6000/t-darwin, config/rs6000/t-fprules,
5366         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
5367         config/rs6000/t-lynx, config/rs6000/t-netbsd,
5368         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
5369         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
5370         config/rs6000/t-rtems, config/rs6000/t-spe,
5371         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
5372         config/score/t-score-elf, config/sh/divcost-analysis,
5373         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
5374         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
5375         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
5376         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
5377         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
5378         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
5379         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
5380         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
5381         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
5382         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
5383         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
5384         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
5385         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
5386         limitx.h, version.c, xcoff.h: Add copyright and license notices.
5387         * config/h8300/genmova.sh: Include copyright and license notices
5388         in generated output.
5389         * config/h8300/mova.md: Regenerate.
5390         * doc/install.texi2html: Include word "Copyright" in copyright
5391         notice and use name "Free Software Foundation, Inc.".
5392         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5393         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5394         ChangeLog-2007, ChangeLog-2008: Correct dates.
5396 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
5398         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
5399         NE_EXPR operations as well.
5400         * c-parser.c (c_parser_condition): Do not set location information on
5401         the condition.
5402         (c_parser_conditional_expression): Likewise.
5403         (c_parser_binary_expression): Set location information on operators.
5404         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
5405         TRUTH_NOT_EXPR has been folded.
5406         * fold-const.c (fold_truth_not_expr): Copy location information from
5407         the incoming expression to the outgoing one.
5408         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
5409         recursive calls on the LHS of the operator but pass that of the
5410         operator to recursive calls on the RHS of the operator.  Set it
5411         on the COND_EXPR.
5412         (shortcut_cond_expr): Set the locus of the operator on the second
5413         COND_EXPR and that of the expression on the first in degenerate cases.
5414         Pass the locus of the expression to calls to shortcut_cond_r.
5415         Set the locus of the 'then' block on the associated jump, if any.
5416         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
5417         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
5418         expression to call to gimplify_boolean_expr.
5420 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
5422         * config.gcc: Add additional configuration for
5423         i686-w64-mingw* and x86_64-w64-mingw* triplet.
5424         * config/i386/mingw-w64.h: New mingw-w64 specific header.
5425         (CPP_SPEC): Redefine for allowing -municode option.
5426         (STARTFILE_SPEC): Likewise.
5427         * config/i386/t-mingw-w64: New.
5428         * config/i386/mingw-w64.opt: New.
5429         (municode): Add new target option.
5430         * doc/invoke.texi (municode): Add documentation for new option.
5432 2009-04-21  Ian Lance Taylor  <iant@google.com>
5434         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5435         Correct test for number of arguments.
5436         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
5438 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
5440         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
5441         argument of emit_library_call.
5443 2009-04-21  Richard Guenther  <rguenther@suse.de>
5445         PR middle-end/39829
5446         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
5447         inside VIEW_CONVERT_EXPRs.
5449 2009-04-21  Martin Jambor  <mjambor@suse.cz>
5451         * tree-switch-conversion.c (build_constructors): Split a long line.
5452         (constructor_contains_same_values_p): New function.
5453         (build_one_array): Create assigns of constants if possible, do not
5454         call mark_sym_for_renaming, call update_stmt.
5455         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
5456         make_rename_temp.  Do not call mark_symbols_for_renaming, call
5457         update_stmt.
5458         (gen_def_assigns): Do not call mark_symbols_for_renaming or
5459         find_new_referenced_vars, call update_stmt.
5460         (gen_inbound_check): Use create_tmp_var and create ssa names manually
5461         instead of calling make_rename_temp.  Do not call
5462         find_new_referenced_vars or mark_symbols_for_renaming, call
5463         update_stmt.
5465 2009-04-21  Richard Guenther  <rguenther@suse.de>
5467         PR tree-optimization/39827
5468         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
5469         (tree_ssa_phiprop): Pass the correct array size.
5471 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
5473         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
5475 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5477         PR 16202
5478         * c-typeck.c (lvalue_p): Move declaration ...
5479         * c-common.h (lvalue_p): ... to here.
5480         * c-common.c (candidate_equal_p): New.
5481         (add_tlist): Use it.
5482         (merge_tlist): Use it.
5483         (warn_for_collisions_1): Likewise.
5484         (warning_candidate_p): Accept more candidates.
5485         (verify_tree): A warning candidate can be an expression. Use
5486         candidate_equal_p.
5488 2009-04-21  Ben Elliston  <bje@au.ibm.com>
5490         PR target/5267
5491         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5492         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
5493         options.  Remove -mcall-solaris documentation.
5495 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5497         PR c++/13358
5498         * doc/invoke.texi (-Wlong-long): Update description.
5499         * c-lex (interpret_integer): Only warn if there was no previous
5500         overflow and -Wlong-long is enabled.
5501         * c-decl.c (declspecs_add_type): Drop redundant flags.
5502         * c.opt (Wlong-long): Init to -1.
5503         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
5504         and front-end warn_long_long. Wlong-long only depends on other
5505         flags if it is uninitialized.
5506         * c-parser.c (disable_extension_diagnostics): warn_long_long is
5507         the same for CPP and FE.
5508         (restore_extension_diagnostics): Likewise.
5510 2009-04-20  Ian Lance Taylor  <iant@google.com>
5512         Fix enum conversions which are invalid in C++:
5513         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
5514         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
5515         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
5516         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
5517         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
5518         (dbxout_parms): Likewise.
5519         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
5520         (df_clear_flags): Likewise.
5521         * df-problems.c (df_rd_bb_local_compute_process_def): Change
5522         top_flag parameter to int.
5523         (df_chain_create_bb_process_use): Likewise.
5524         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
5525         Remove cast.
5526         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
5527         (df_ref_create_structure, df_def_record_1): Likewise.
5528         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
5529         (df_notes_rescan): Change 0 to VOIDmode in function call.
5530         (df_get_call_refs, df_insn_refs_collect): Likewise.
5531         (df_bb_regs_collect): Likewise.
5532         (df_entry_block_defs_collect): Likewise.
5533         (df_exit_block_uses_collect): Likewise.
5534         * df.h: Update declarations.
5535         * double-int.c (double_int_divmod): Add cast to enum type.
5536         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
5537         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
5538         (based_loc_descr): Likewise.
5539         (loc_descriptor_from_tree_1): Change first_op and second_op to
5540         enum dwarf_location_atom.  Add cast to enum type.
5541         * expmed.c (init_expmed): Change 0 to SET in function call.
5542         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
5543         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
5544         (do_store_flag): Likewise.
5545         * fixed-value.h (struct fixed_value): Change mode to enum
5546         machine_mode.
5547         * function.c (assign_parms): Change 0 to VOIDmode in function call.
5548         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
5549         function call.
5550         (insert_insn_decl, insert_decl, insert_state): Likewise.
5551         (automata_list_finish): Likewise.
5552         * genrecog.c (process_define_predicate): Add cast to enum type.
5553         * gensupport.c (init_predicate_table): Add cast to enum type.
5554         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
5555         function call.
5556         (gimple_build_call_1, gimple_build_label): Likewise.
5557         (gimple_build_goto, gimple_build_asm_1): Likewise.
5558         (gimple_build_switch_1, gimple_build_cdt): Likewise.
5559         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
5560         (enum fallback): Rename from enum fallback_t.
5561         (fallback_t): Typedef as int.
5562         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
5563         GSI_SAME_STMT in function call.
5564         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
5565         enum type.
5566         (setup_reg_class_relations): Likewise.
5567         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
5568         (setup_prohibited_class_mode_regs): Add cast to enum type.
5569         (setup_prohibited_mode_move_regs): Likewise.
5570         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
5571         (record_address_regs): Change i to enum reg_class.
5572         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
5573         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
5574         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
5575         (GET_MODE_2XWIDER_MODE): Likewise.
5576         (GET_CLASS_NARROWEST_MODE): Likewise.
5577         * omp-low.c (expand_omp_for): Add cast to enum type.
5578         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
5579         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
5580         * postreload.c (reload_cse_simplify_operands): Change rclass local
5581         to enum reg_class.
5582         * predict.c (combine_predictions_for_insn): Change best_predictor
5583         and predictor to enum br_predictor.
5584         (combine_predictions_for_bb): Likewise.
5585         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
5586         use SET_PREDICT_EXPR_OUTCOME.
5587         * real.c (real_arithmetic): Change icode to code in function call.
5588         * reginfo.c (init_move_cost): Add casts to enum type.
5589         (init_reg_sets_1, init_fake_stack_mems): Likewise.
5590         * regmove.c (regclass_compatible_p): Change class0 and class1 to
5591         enum reg_class.
5592         * reload.c (find_valid_class): Add casts to enum type.
5593         (push_reload): Change 0 to NO_REGS in function call.
5594         (find_reloads): Change this_alternative to array of enum
5595         reg_class.  Remove some now-unnecessary casts.
5596         (make_memloc): Change 0 to VOIDmode in function call.
5597         * reload1.c (reload): Change 0 to VOIDmode in function call.
5598         (eliminate_regs_1, elimination_effects): Likewise.
5599         (eliminate_regs_in_insn): Likewise.
5600         (emit_input_reload_insns): Add cast to enum type.
5601         (delete_output_reload): Change 0 to VOIDmode in function call.
5602         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
5603         to enum type in function call.
5604         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
5605         (SET_PREDICT_EXPR_OUTCOME): Define.
5606         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
5607         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
5608         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
5609         (dump_function): Likewise.
5610         * tree-dump.h: Update declarations.
5611         * tree-pass.h: Update declarations.
5612         * varasm.c (assemble_integer): Change mclass to enum mode_class.
5613         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
5614         enum type.
5615         (arm_rtx_costs_1): Correct parenthesization.
5616         (arm_rtx_costs): Add casts to enum type.
5617         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
5618         (vfp_emit_fstmd): Use add_rg_note.
5619         (emit_multi_reg_push, emit_sfm): Likewise.
5620         (thumb_set_frame_pointer): Likewise.
5621         (arm_expand_prologue): Likewise.
5622         (arm_regno_class): Change return type to enum reg_class.
5623         (thumb1_expand_prologue): Use add_reg_note.
5624         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
5625         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
5626         in function call.
5627         * config/arm/gentune.sh: Add cast to enum type.
5628         * config/arm/arm-tune.md: Rebuild.
5629         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
5630         (ix86_split_fp_branch, predict_jump): Likewise.
5631         (ix86_expand_multi_arg_builtin): Change sub_code from enum
5632         insn_code to enum rtx_code.
5633         (ix86_builtin_vectorized_function): Add cast to enum type.
5634         * config/i386/i386.md (truncdfsf2): Change slot to enum
5635         ix86_stack_slot.
5636         (truncxf<mode>2, isinf<mode>2): Likewise.
5637         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
5638         enum type.
5639         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
5640         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
5641         (insert_bundle_state): Change 1 to INSERT in function call.
5642         (ia64_add_bundle_selector_before): Likewise.
5643         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
5644         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
5645         (restore_stack_nonlocal): Likewise.
5646         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
5647         function call.
5648         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
5649         function call.
5650         (mips_rtx_costs): Likewise.
5651         (mips_override_options): Add casts to enum type.
5652         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
5653         in function call.
5654         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
5655         (store_reg, set_reg_plus_d): Likewise.
5656         (hppa_expand_prologue, hppa_profile_hook): Likewise.
5657         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5658         cast to enum type.
5659         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
5660         function call.
5661         (emit_unlikely_jump): Use add_reg_note.
5662         (rs6000_emit_allocate_stack): Likewise.
5663         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
5664         (output_toc): Change 1 to INSERT in function call.
5665         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
5666         (rs6000_initialize_trampoline): Likewise.
5667         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
5668         function call.
5669         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
5670         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
5671         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
5672         (save_gprs): Use add_reg_note.
5673         (s390_emit_prologue): Likewise.
5674         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5675         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
5676         (sparc_fold_builtin): Add cast to enum type.
5677         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
5678         enum insn_code.
5679         (spu_expand_prologue): Use add_reg_note.
5680         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
5682 2009-04-20  Ian Lance Taylor  <iant@google.com>
5684         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
5685         (c_parser_postfix_expression_after_primary): Get VEC for list of
5686         arguments.  Get original types of arguments.  Call
5687         build_function_call_vec.
5688         (cached_expr_list_1, cached_expr_list_2): New static variables.
5689         (c_parser_expr_list): Change return type to VEC *.  Add
5690         p_orig_types parameter.  Change all callers.
5691         (c_parser_release_expr): New static function.
5692         (c_parser_vec_to_tree_list): New static function.
5693         * c-typeck.c (build_function_call): Rewrite to build a VEC and
5694         call build_function_call_vec.
5695         (build_function_call_vec): New function, based on old
5696         build_function_call.
5697         (convert_arguments): Remove nargs and argarray parameters.  Change
5698         values to a VEC.  Add origtypes parameter.
5699         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
5700         (convert_for_assignment): Add origtype parameter.  Change all
5701         callers.  If warn_cxx_compat, check for conversion to an enum
5702         type when calling a function.
5703         (store_init_value): Add origtype parameter.  Change all callers.
5704         (digest_init): Likewise.
5705         (struct init_node): Add origtype field.
5706         (add_pending_init): Add origtype parameter.  Change all callers.
5707         (output_init_element): Likewise.
5708         (output_pending_init_elements): Pass origtype from init_node to
5709         output_init_element.
5710         (process_init_element): Pass origtype from c_expr to
5711         output_init_element.
5712         (c_finish_return): Add origtype parameter.  Change all callers.
5713         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
5714         caller.
5715         (sync_resolve_params): Likewise.
5716         (sync_resolve_return): Change params to first_param.  Change caller.
5717         (resolve_overloaded_builtins): Change params to VEC *.  Change
5718         callers.  Save first parameter around call to build_function_call_vec.
5719         * c-decl.c (finish_decl): Add origtype parameter.  Change all
5720         callers.  Call build_function_call_vec rather than
5721         build_function_call for cleanup.
5722         * c-tree.h: Update declarations.
5723         * c-common.h: Update declarations.
5724         * stub-objc.c (objc_rewrite_function_call): Change parameter from
5725         params to first_param.
5726         * target.h (struct gcc_target): Change resolve_overloaded_builtin
5727         params parameter from tree to void *.
5728         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5729         Change arglist parameter to have type void *, and to be a pointer
5730         to a VEC.
5731         * config/rs6000/rs6000-protos.h
5732         (altivec_resolve_overloaded_builtin): Update declaration.
5733         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
5734         fnargs parameter to have type void *, and to be a pointer to a
5735         VEC.  Call build_function_call_vec instead of
5736         build_function_call.
5737         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
5739 2009-04-20  Joey Ye  <joey.ye@intel.com>
5740             Xuepeng Guo  <xuepeng.guo@intel.com>
5741             H.J. Lu  <hongjiu.lu@intel.com>
5743         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
5745         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
5746         (IX86_LEA_PRIORITY): Likewise.
5747         (distance_non_agu_define): New function.
5748         (distance_agu_use): Likewise.
5749         (ix86_lea_for_add_ok): Likewise.
5750         (ix86_dep_by_shift_count): Likewise.
5752         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
5753         should split for LEA.
5755         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
5756         function.
5757         (ix86_dep_by_shift_count): Likewise.
5759 2009-04-20  Richard Guenther  <rguenther@suse.de>
5761         * expr.c (handled_component_p): Move ...
5762         * tree.h (handled_component_p): ... here.
5763         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
5764         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
5765         and REALPART_EXPR to be in one group.
5767 2009-04-20  Richard Guenther  <rguenther@suse.de>
5769         * basic-block.h (get_all_dominated_blocks): Declare.
5770         * dominance.c (get_all_dominated_blocks): New function.
5771         * tree-cfg.c (get_all_dominated_blocks): Remove.
5772         (remove_edge_and_dominated_blocks): Adjust.
5773         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5774         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5775         instead of recursing.
5777 2009-04-20  Doug Kwan  <dougkwan@google.com>
5779         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5780         (struct cgraph_node_set_def): New type.
5781         (cgraph_node_set) New type. Also declare vector functions.
5782         (struct cgraph_node_set_element_def): New type.
5783         (cgraph_node_set_element): Ditto.
5784         (cgraph_node_set_iterator): New iterator type.
5785         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5786         cgraph_node_set_remove, dump_cgraph_node_set,
5787         debug_cgraph_node_set): New prototypes.
5788         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5789         cgraph_node_set_size): New inlines.
5790         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5791         including cgraph.h.
5792         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5793         argument to function 'write_summary'.
5794         * ipa.c: Include ggc.h.
5795         (hash_cgraph_node_set_element,
5796         eq_cgraph_node_set_element, cgraph_node_set_new,
5797         cgraph_node_set_add, cgraph_node_set_remove,
5798         cgraph_node_set_find, dump_cgraph_node_set,
5799         debug_cgraph_node_set): New functions.
5800         * Makefile.in (ipa.o): Add dependency on GGC_H.
5802 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5804         PR tree-optimization/39675
5805         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5806         check of the return code of vect_schedule_slp. Check that
5807         stmt_vec_info still exists for the statement, before checking its
5808         vectorization type.
5810 2009-04-20  Michael Matz  <matz@suse.de>
5812         * Makefile.in (generated_files): Take out $(simple_generated_c).
5814 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5816         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5817         (UINTPTR_TYPE):  Likewise.
5819 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5821         PR c/37481
5822         * c-typeck.c (digest_init): Check for initializing an array with a
5823         string literal.
5825 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5827         PR c/19771
5828         * c-semantics.c (pop_stmt_list): Propagate
5829         STATEMENT_LIST_HAS_LABEL to parent statement list.
5831 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5833         * config/mips/mips.h (mips_tune_attr): New macro.
5834         * config/mips/mips.md (cpu): Use it.
5836 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5838         PR c/38243
5839         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5840         declaring a tag.
5842 2009-04-19  Diego Novillo  <dnovillo@google.com>
5844         * toplev.c (compile_file): Move call to coverage_finish ...
5845         * cgraphunit.c (ipa_passes): ... here.
5846         Call cgraph_process_new_functions.
5847         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5848         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5850 2009-04-19  Jan Hubicka  <jh@suse.cz>
5852         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5853         cfun.
5854         (dump_cgraph_node): Dump can throw external flag.
5855         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5857 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5859         PR c/32061
5860         PR c++/36954
5861         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5862         * common.opt (Wlogical-op): Move from here...
5863         * c.opt (Wlogical-op): ... to here.
5864         * c-typeck.c (parser_build_binary_op): Update call to
5865         warn_logical_operator.
5866         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5867         extra_warnings.
5868         * c-common.c (warn_logical_op): Update.
5869         * c-common.h (warn_logical_op): Update declaration.
5871 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5873         * tree.c (protected_set_expr_location): Fix formatting.
5875 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5877         PR c/27676
5878         * c-typeck.c (readonly_warning): new.
5879         (build_unary_op, build_modify_expr): Use readonly_warning for
5880         storing into something readonly but not const-qualified.
5882 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5884         PR c/22367
5885         * c-typeck.c (build_unary_op): Check for taking address of
5886         expression of type void.
5888 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5890         PR c/35210
5891         * c-typeck.c (build_function_call): Check for calling a function
5892         with qualified void return types.  Call require_complete_type when
5893         generating a trap.
5895 2009-04-18  Jan Hubicka  <jh@suse.cz>
5897         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5898         Set nothrow flag.
5899         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5900         can_throw_external flag.
5901         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5902         * ipa-pure-const.c (ignore_edge): New function.
5903         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5904         only over can_throw_external edges.
5905         (local_pure_const): Add nothrow flag.
5906         * ipa-utils.c (searchc): Add ignore_edge callback.
5907         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5908         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5909         (set_nothrow_function_flags): Update cgraph.
5910         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5912 2009-04-18  Richard Guenther  <rguenther@suse.de>
5914         PR middle-end/39804
5915         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5916         (fold_stmt): ... this and ...
5917         (fold_stmt_inplace): ... this.
5918         (fold_stmt_1): Fold references in calls and asms.
5919         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5921 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5923         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5924         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5926 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5928         * tree.c (function_args_count): Remove.
5929         * tree.h: Remove the prototype for function_args_count.
5931 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5933         * tree-iterator.c (expr_only): Remove.
5934         * tree.h: Remove the prototype for expr_only.
5936 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5938         * reginfo.c (cannot_change_mode_set_regs): Remove.
5939         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5941 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5943         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5944         whether operands 0 and 1 overlaps.
5946 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5948         PR middle-end/36902
5949         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5950         pointer. Use warning_at instead of warning.
5951         (search_for_addr_array): Likewise.
5952         (check_array_bounds): Likewise.
5953         (check_all_array_refs): Check that the incoming edge is not in the
5954         list of edges to be removed.
5955         (check_all_array_refs): Avoid the temporal pointer.
5956         (vrp_visit_cond_stmt): Fix typo.
5957         (simplify_switch_using_ranges): Handle the case where the switch
5958         index is an integer constant.
5960 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5962         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5964 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5966         * doc/extend.texi, doc/invoke.texi: Fix typos.
5968 2009-04-17  Cary Coutant  <ccoutant@google.com>
5970         * tree-flow-inline.h (get_lineno): Fix inverted test.
5972 2009-04-17  Diego Novillo  <dnovillo@google.com>
5974         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5975         assertion for AVAIL_OUT.
5977 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5979         PR target/38627
5980         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5981         * config/sh/linux-atomic.asm: Likewise.
5983 2009-04-17  Diego Novillo  <dnovillo@google.com>
5985         * except.c (debug_eh_tree): New.
5986         (struct eh_region, struct eh_status): Move ...
5987         * except.h: ... here.
5988         (add_type_for_runtime): Declare extern.
5989         (lookup_type_for_runtime): Likewise.
5990         (debug_eh_tree): Declare.
5991         * Makefile.in (GTFILES): List except.h before except.c
5993 2009-04-17  Diego Novillo  <dnovillo@google.com>
5995         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5996         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5997         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5998         (find_vars_r): ... here.
5999         * tree-flow.h (find_referenced_vars_in): Declare.
6000         * tree-ssa-pre.c (create_expression_by_pieces): Assert
6001         that AVAIL_OUT exists for BLOCK.
6002         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
6003         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
6004         (tree-parloops.o): Likewise.
6006 2009-04-17  Simon Baldwin  <simonb@google.com>
6008         * toplev.c (default_tree_printer): Add handling for %E format.
6010 2009-04-17  Diego Novillo  <dnovillo@google.com>
6012         * tree-pretty-print.c (dump_generic_node): Add break after
6013         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
6014         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
6015         FUNCTION_TYPE together.  Call print_struct_decl when printing
6016         structures and TDF_SLIM is not given.
6017         (print_struct_decl): Fix logic for detecting recursion.
6019 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6021         PR 31567
6022         * gcc.c (create_at_file): New.
6023         (compile_input_file_p): New.
6024         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
6025         * main.c (main): Update call to toplev_main.
6026         * toplev.c (toplev_main): Change signature. Call expandargv.
6027         * toplev.h (toplev_main): Change signature.
6029 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6031         * dwarf2out.c (field_byte_offset): Use the type size as the field size
6032         if the latter is not constant.
6034 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
6036         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
6038 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6040         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
6041         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
6043 2009-04-17  Richard Guenther  <rguenther@suse.de>
6045         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6046         Handle component references view-converting an invariant address.
6048 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
6050         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
6051         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
6052         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
6053         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
6054         Use @deftypevr rather than @deftypevar.
6056 2009-04-17  Richard Guenther  <rguenther@suse.de>
6058         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
6059         (get_prop_source_stmt): Likewise.
6060         (can_propagate_from): Likewise.
6062 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
6064         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
6065         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
6066         (--with-multilib-list): Add default value.
6067         * configure: Regenerate.
6068         * Makefile.in (TM_ENDIAN_CONFIG): Define.
6069         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
6070         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
6071         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
6072         Don't add default cpu to multilib list unnecessarily, but do enable
6073         the relevant compiler option..
6074         Add support for --with-multilib-list=<blank> and
6075         --with-multilib-list=!<somelib> to supress unwanted multilibs.
6076         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
6077         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
6078         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
6079         TM_MULTILIB_CONFIG.
6080         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
6081         (MULTILIB_OSDIRNAMES): New variable.
6082         * config/sh/t-1e: Delete file.
6083         * config/sh/t-mlib-sh1: Delete file.
6084         * config/sh/t-mlib-sh2: Delete file.
6085         * config/sh/t-mlib-sh2a: Delete file.
6086         * config/sh/t-mlib-sh2a-nofpu: Delete file.
6087         * config/sh/t-mlib-sh2a-single: Delete file.
6088         * config/sh/t-mlib-sh2a-single-only: Delete file.
6089         * config/sh/t-mlib-sh2e: Delete file.
6090         * config/sh/t-mlib-sh3e: Delete file.
6091         * config/sh/t-mlib-sh4: Delete file.
6092         * config/sh/t-mlib-sh4-nofpu: Delete file.
6093         * config/sh/t-mlib-sh4-single: Delete file.
6094         * config/sh/t-mlib-sh4-single-only: Delete file.
6095         * config/sh/t-mlib-sh4a: Delete file.
6096         * config/sh/t-mlib-sh4a-nofpu: Delete file.
6097         * config/sh/t-mlib-sh4a-single: Delete file.
6098         * config/sh/t-mlib-sh4a-single-only: Delete file.
6099         * config/sh/t-mlib-sh4al: Delete file.
6100         * config/sh/t-mlib-sh5-32media: Delete file.
6101         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
6102         * config/sh/t-mlib-sh5-64media: Delete file.
6103         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
6104         * config/sh/t-mlib-sh5-compact: Delete file.
6105         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
6106         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
6107         * doc/install.texi (Options specification): Add
6108         --with-multilib-list and --with-endian.
6110 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6112         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
6113         REVISION_c.
6114         (OBJS-common): Add plugin-version.o.
6115         (plugin-version.o): New.
6116         * gcc-plugin.h (plugin_gcc_version): New.
6117         (plugin_default_version_check): New.
6118         (plugin_init_func, plugin_init): Add version argument.
6119         * plugin-version.c: New.
6120         * plugin.c (str_plugin_gcc_version_name): New.
6121         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
6122         pass it to the init function.
6123         (plugin_default_version_check): New.
6125 2009-04-17  Richard Guenther  <rguenther@suse.de>
6127         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
6128         for decl-vs-decl disambiguation.
6130 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6132         * config/s390/s390.h (s390_tune_attr): New macro definition.
6133         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
6135 2009-04-17  Richard Guenther  <rguenther@suse.de>
6137         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
6138         (fold_stmt_r): Likewise.
6139         (maybe_fold_reference): New function.
6140         (fold_gimple_assign): Handle cases fold_stmt_r did.
6141         (fold_stmt): Do not use fold_stmt_r.
6142         (fold_stmt_inplace): Likewise.
6144 2009-04-17  Richard Guenther  <rguenther@suse.de>
6146         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
6147         (record_equivalences_from_stmt): Remove useless checks and
6148         simplifications.
6149         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
6150         the type is already suitable.
6152 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
6154         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
6156 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
6158         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
6159         (CMPtype): Define as __gcc_CMPtype.
6161 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
6163         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
6164         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
6166 2009-04-17  Richard Guenther  <rguenther@suse.de>
6168         PR tree-optimization/39746
6169         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
6170         special-casing for builtins and static variable use/def.
6171         (call_may_clobber_ref_p_1): Likewise.
6173 2009-04-16  Ian Lance Taylor  <iant@google.com>
6175         * df.h: Include "timevar.h".
6176         (struct df_problem): Change tv_id field to timevar_id_t.
6177         * tree-pass.h: Include "timevar.h".
6178         (struct opt_pass): Change tv_id field to timevar_id_t.
6179         * timevar.h (timevar_id_t): Define TV_NONE.
6180         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
6181         TV_NONE rather than tv_id != 0.
6182         (execute_one_pass): Likewise.
6183         * Makefile.in (DF_H): Add $(TIMEVAR_H).
6184         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
6185         dependencies to $(TREE_PASS_H).
6186         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
6187         to TV_NONE.
6188         (pass_branch_target_load_optimize2): Likewise.
6189         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
6190         (pass_outof_cfg_layout_mode): Likewise.
6191         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
6192         (pass_rebuild_cgraph_edges): Likewise.
6193         (pass_remove_cgraph_callee_edges): Likewise.
6194         * df-core.c (pass_df_initialize_opt): Likewise.
6195         (pass_df_initialize_no_opt): Likewise.
6196         (pass_df_finish): Likewise.
6197         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
6198         * except.c (pass_set_nothrow_function_flags): Likewise.
6199         (pass_convert_to_eh_region_ranges): Likewise.
6200         * final.c (pass_compute_alignments): Likewise.
6201         * function.c (pass_instantiate_virtual_regs): Likewise.
6202         (pass_init_function): Likewise.
6203         (pass_leaf_regs): Likewise.
6204         (pass_match_asm_constraints): Likewise.
6205         * gimple-low.c (pass_lower_cf): Likewise.
6206         (pass_mark_used_blocks): Likewise.
6207         * init-regs.c (pass_initialize_regs): Likewise.
6208         * integrate.c (pass_initial_value_sets): Likewise.
6209         * ira.c (pass_ira): Likewise.
6210         * jump.c (pass_cleanup_barriers): Likewise.
6211         * omp-low.c (pass_expand_omp): Likewise.
6212         (pass_lower_omp): Likewise.
6213         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
6214         * recog.c (pass_split_all_insns): Likewise.
6215         (pass_split_after_reload): Likewise.
6216         (pass_split_before_regstack): Likewise.
6217         (pass_split_before_sched2): Likewise.
6218         (pass_split_for_shorten_branches): Likewise.
6219         * reginfo.c (pass_reginfo_init): Likewise.
6220         (pass_subregs_of_mode_init): Likewise.
6221         (pass_subregs_of_mode_finish): Likewise.
6222         * passes.c (pass_postreload): Likewise.
6223         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
6224         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
6225         (pass_warn_function_return): Likewise.
6226         (pass_warn_function_noreturn): Likewise.
6227         * tree-complex.c (pass_lower_complex): Likewise.
6228         (pass_lower_complex_O0): Likewise.
6229         * tree-if-conv.c (pass_if_conversion): Likewise.
6230         * tree-into-ssa.c (pass_build_ssa): Likewise.
6231         * tree-mudflap.c (pass_mudflap_1): Likewise.
6232         (pass_mudflap_2): Likewise.
6233         * tree-nomudflap.c (pass_mudflap_1): Likewise.
6234         (pass_mudflap_2): Likewise.
6235         * tree-nrv.c (pass_return_slot): Likewise.
6236         * tree-object-size.c (pass_object_sizes): Likewise.
6237         * tree-optimize.c (pass_all_optimizations): Likewise.
6238         (pass_early_local_passes): Likewise.
6239         (pass_all_early_optimizations): Likewise.
6240         (pass_cleanup_cfg): Likewise.
6241         (pass_cleanup_cfg_post_optimizing): Likewise.
6242         (pass_free_datastructures): Likewise.
6243         (pass_free_cfg_annotations): Likewise.
6244         (pass_fixup_cfg): Likewise.
6245         (pass_init_datastructures): Likewise.
6246         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
6247         (pass_late_warn_uninitialized): Likewise.
6248         (pass_update_address_taken): Likewise.
6249         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
6250         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
6251         (pass_cse_sincos): Likewise.
6252         (pass_convert_to_rsqrt): Likewise.
6253         * tree-ssa-structalias.c (pass_build_alias): Likewise.
6254         * tree-stdarg.c (pass_stdarg): Likewise.
6255         * tree-tailcall.c (pass_tail_recursion): Likewise.
6256         (pass_tail_calls): Likewise.
6257         * tree-vect-generic.c (pass_lower_vector): Likewise.
6258         (pass_lower_vector_ssa): Likewise.
6259         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
6261 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
6263         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
6264         XLR entry.
6265         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
6266         Handle -march=xlr.
6267         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
6268         logical and signext.
6270 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
6272         PR target/39767
6273         * config/sh/predicates.md (arith_operand): Check if the operand
6274         of TRUNCATE is a REG.
6276 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6278         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
6279         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
6281 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6283         * tree-iterator.c (tsi_split_statement_list_after,
6284         tsi_split_statement_list_before): Remove.
6285         * tree-iterator.h: Remove the prototypes for
6286         tsi_split_statement_list_after and tsi_split_statement_list_before.
6288 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6290         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
6291         * tree-ssa-propagate.h: Remove the prototype for
6292         stmt_makes_single_load.
6294 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6296         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
6297         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
6299 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6301         * tree-iterator.c (EXPR_LAST_BODY): Remove.
6303 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6305         * except.c (eh_region_outer_p): Remove.
6306         * except.h: Remove the prototype for eh_region_outer_p.
6308 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6310         * function.c (current_function_assembler_name): Remove.
6311         * function.h: Remove the prototype for
6312         current_function_assembler_name.
6314 2009-04-16  Ian Lance Taylor  <iant@google.com>
6316         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
6317         (add_reg_note): Call alloc_reg_note.
6318         * rtl.h (alloc_reg_note): Declare.
6319         * combine.c (try_combine): Use alloc_reg_note.
6320         (recog_for_combine, move_deaths): Likewise.
6321         (distribute_notes): Use alloc_reg_note and add_reg_note.
6322         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
6323         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
6324         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
6326 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
6328         PR rtl-optimization/39762
6329         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
6330         ira_may_move_out_cost): Add comments about way of their usage.
6331         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
6333         * ira-conflicts.c (process_regs_for_copy): Use function
6334         ira_get_register_move_cost instead of global
6335         ira_register_move_cost.
6337         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
6338         color_pass, move_spill_restore, update_curr_costs): Ditto.
6340         * ira-lives.c (process_single_reg_class_operands): Ditto.
6342         * ira-emit.c (emit_move_list): Ditto.
6344         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
6345         (record_reg_classes): Ditto.  Use functions
6346         ira_get_register_move_cost and ira_get_may_move_cost instead of
6347         global vars ira_register_move_cost, ira_may_move_out_cost and
6348         ira_may_move_in_cost.
6349         (record_address_regs): Don't call ira_init_register_move_cost.
6350         Use function ira_get_may_move_cost instead of global
6351         ira_may_move_in_cost.
6352         (process_bb_node_for_hard_reg_moves): Use function
6353         ira_get_register_move_cost instead of global ira_register_move_cost.
6354         (ira_costs): Don't call ira_init_register_move_cost.
6356 2009-04-16  Richard Guenther  <rguenther@suse.de>
6358         * tree-cfg.c (verify_gimple_assign_binary):
6359         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
6360         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
6361         (create_general_new_stmt): Note that this function is broken.
6363 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6365         * common.opt (fhelp): Add Var(help_flag).
6366         * gcc-plugin.h (plugin_info): Add help.
6367         * plugin.c (plugin_name_args): Add help.
6368         (register_plugin_info): Set plugin->help.
6369         (print_help_one_plugin): New.
6370         (print_plugins_help): New.
6371         * plugin.h (print_plugins_help): New.
6372         * toplev.c (toplev_main): Call print_plugins_help if needed.
6374 2009-04-16  Richard Guenther  <rguenther@suse.de>
6376         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
6377         (gimple_ior_addresses_taken_1): New function.
6378         (gimple_ior_addresses_taken): Likewise.
6379         * gimple.h (struct gimple_statement_with_ops_base): Remove
6380         addresses_taken member.
6381         (gimple_ior_addresses_taken): Declare.
6382         (gimple_addresses_taken, gimple_addresses_taken_ptr,
6383         gimple_set_addresses_taken): Remove.
6384         * ipa-reference.c (mark_address): New function.
6385         (scan_stmt_for_static_refs): Use it for marking addresses taken.
6386         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
6387         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
6388         (gimple_add_to_addresses_taken): Remove.
6389         (get_tmr_operands): Call mark_address_taken.
6390         (get_asm_expr_operands): Likewise.
6391         (get_expr_operands): Likewise.
6392         (build_ssa_operands): Do not clear the addresses_taken bitmap.
6393         (free_stmt_operands): Do not free it.
6394         * tree-ssa.c (delete_tree_ssa): Likewise.
6395         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
6397 2009-04-16  Richard Guenther  <rguenther@suse.de>
6399         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
6400         (walk_stmt_load_store_ops): Likewise.
6401         * gimple.c (get_base_loadstore): New function.
6402         (walk_stmt_load_store_addr_ops): Likewise.
6403         (walk_stmt_load_store_ops): Likewise.
6404         * ipa-pure-const.c (check_op): Simplify.
6405         (check_load, check_store): New functions.
6406         (check_stmt): Use walk_stmt_load_store_ops.
6407         * ipa-reference.c (mark_load): Adjust signature.
6408         (mark_store): Likewise.
6409         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
6411 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6413         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
6414         (plugin_info): New.
6415         * opts.c (common_handle_option): Don't call print_version.
6416         * plugin.c (plugin_name_args): Add version.
6417         (register_plugin_info): New.
6418         (register_callback): Handle PLUGIN_INFO.
6419         (try_init_one_plugin): New.
6420         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
6421         if failed to init.
6422         (finalize_one_plugin): New.
6423         (finalize_plugins): New.
6424         (print_one_plugin): New.
6425         (print_plugins_versions): New.
6426         * plugin.h (print_plugins_versions): New.
6427         (finalize_plugins): New.
6428         * toplev.c (compile_file): Don't call initialize_plugins.
6429         (print_version): Call print_plugins_versions.
6430         (toplev_main): Call initialize_plugins. Print version if needed.
6431         Call finalize_plugins.
6433 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6435         * common.opt (fversion): New.
6436         * gcc.c (print_version): New.
6437         (process_command): Don't print the version. Just set print_version.
6438         (main): Print version. Call subprocesses if print_version and
6439         verbose_flag are set.
6440         * opts.c (common_handle_option): Handle OPT_fversion.
6442 2009-04-16  Richard Guenther  <rguenther@suse.de>
6443             Ira Rosen  <irar@il.ibm.com>
6445         PR tree-optimization/39698
6446         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6447         type of the reduction variable.  Only generate the def if
6448         it is needed.
6450         * omp-low.c (expand_omp_for_generic): When converting to a pointer
6451         make sure to first convert to an integer of the same precision.
6452         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
6453         the type of the evolution correctly in computing the new
6454         induction variable base.
6456 2009-04-16  Richard Guenther  <rguenther@suse.de>
6458         PR middle-end/39625
6459         * tree-cfg.c (make_blocks): Split statements with to-be
6460         abnormal SSA names on the lhs.
6462 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
6464         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
6465         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
6466         * c-typeck.c (really_start_incremental_init): Likewise.
6467         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
6468         (TARGET_INITIALIZER): Remove it.
6469         * target.h (struct target): Remove vector_opaque_p.
6470         * tree.c (build_opaque_vector_type): New.
6471         * tree.h (TYPE_VECTOR_OPAQUE): New.
6472         (build_opaque_vector_type): Declare.
6473         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
6474         * config/rs6000/rs6000.c (build_opaque_vector_type,
6475         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
6476         (rs6000_init_builtins): Use build_opaque_vector_type for
6477         opaque_V4SI_type_node.
6479 2009-04-15  Catherine Moore  <clm@codesourcery.com>
6481         * debug.h (set_name):  Declare.
6482         * dwarf2out.c (dwarf2out_set_name): Declare.
6483         (dwarf2_debug_hooks): Add set_name.
6484         (find_AT_string): New.
6485         (add_AT_string): Call find_AT_string.
6486         (dwarf2out_set_name): New.
6487         * cp/decl.c (grokdeclarator): Call set_name.
6488         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
6489         * debug.c (do_nothing_debug_hooks):  Likewise.
6490         * dbxout.c (dbx_debug_hooks): Likewise.
6491         * sdbout.c (sdb_debug_hooks): Likewise.
6493 2009-04-15  Michael Eager  <eager@eagercon.com>
6495         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
6496         reg for single-precision FPU.
6497         * config/rs6000/rs6000.md (movsi_internal1): Only for
6498         !TARGET_SINGLE_FPU.
6499         (movsi_internal1_single): New. Add pattern to move SI values to/from
6500         single-precision FP regs.
6502 2009-04-15  Richard Guenther  <rguenther@suse.de>
6504         * omp-low.c (lower_rec_input_clauses): Build correct address
6505         expressions.
6506         (expand_omp_for_generic): Fix multiplication type.
6507         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
6508         (generate_memset_zero): Fix types.
6509         * tree-profile.c (prepare_instrumented_value): Correctly
6510         widen a pointer.
6512 2009-04-15  Ian Lance Taylor  <iant@google.com>
6514         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
6515         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
6516         for -Wall and for -Wc++-compat.
6517         (c_common_post_options): For C++, set warn_enum_compare if not
6518         already set.
6519         * c-tree.h (struct c_expr): Add field original_type.
6520         (build_external_ref): Update declaration.
6521         * c-parser.c (c_parser_braced_init): Set original_type.
6522         (c_parser_initelt): Likewise.
6523         (c_parser_expr_no_commas): Likewise.
6524         (c_parser_conditional_expression): Likewise.
6525         (c_parser_cast_expression): Likewise.
6526         (c_parser_unary_expression): Likewise.  Pull setting of
6527         original_code to top of function.
6528         (c_parser_sizeof_expression): Set original_type.
6529         (c_parser_alignof_expression): Likewise.
6530         (c_parser_postfix_expression): Likewise.  Pull setting of
6531         original_code to top of function.
6532         (c_parser_postfix_expression_after_paren_type): Set original_type.
6533         (c_parser_postfix_expression_after_primary): Likewise.
6534         (c_parser_expression): Likewise.
6535         * c-typeck.c (build_external_ref): Add type parameter.  Change all
6536         callers.
6537         (c_expr_sizeof_expr): Set original_type field.
6538         (parser_build_unary_op): Likewise.
6539         (parser_build_binary_op): Likewise.  Optionally warn about
6540         comparisons of enums of different types.
6541         (digest_init): Set original_type field.
6542         (really_start_incremental_init): Likewise.
6543         (push_init_level, pop_init_level): Likewise.
6544         * doc/invoke.texi (Warning Options): -Wenum-compare now
6545         supported in C.
6547 2009-04-15  Richard Guenther  <rguenther@suse.de>
6549         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
6550         out a necessary conversion.
6551         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
6552         names we didn't value number.
6553         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
6555 2009-04-15  Richard Guenther  <rguenther@suse.de>
6557         PR tree-optimization/39764
6558         * tree-ssa-ccp.c (get_value): Canonicalize value with
6559         canonicalize_float_value.
6561 2009-04-15  Jan Hubicka  <jh@suse.cz>
6563         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
6564         Wrong version of patch.
6566 2009-04-15  Jan Hubicka  <jh@suse.cz>
6568         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
6570 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6572         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
6573         our distinct integral and vector types.
6575 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
6577         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
6578         * init.c (build_vtbl_address): Remove call to assemble_external.
6580 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
6582         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
6583         output for other floating point modes.
6585 2009-04-14  Diego Novillo  <dnovillo@google.com>
6587         * diagnostic.c (diagnostic_report_diagnostic): Do not
6588         warn about loaded plugins for DK_ERROR and DK_WARNING.
6589         * c-decl.c (declspecs_add_type): Move call to
6590         invoke_plugin_callbacks ...
6591         * c-parser.c (c_parser_declspecs): ... here.
6592         * plugin.c (dump_active_plugins): Tidy output.
6594 2009-04-14  Diego Novillo  <dnovillo@google.com>
6595             Le-Chun Wu  <lcwu@google.com>
6597         * configure.ac: Add --enable-plugin support.
6598         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
6599         * Makefile.in (PLUGIN_H): Define.
6600         Export ENABLE_PLUGIN and GMPINC to site.exp.
6601         Add PLUGINLIBS to link command.
6602         Add/modify dependencies for plugin.o and files including plugin.h.
6603         (plugin.o): New.
6604         * config.in: Regenerate.
6606         * opts.c (common_handle_option): Handle OPT_fplugin_ and
6607         OPT_fplugin_arg_.
6609 2009-04-14  Le-Chun Wu  <lcwu@google.com>
6611         * tree-pass.h (register_one_dump_file): Add a prototype for
6612         register_one_dump_file.
6613         * toplev.c (compile_file): Call initialize_plugins.
6614         (do_compile): Call invoke_plugin_callbacks.
6615         (toplev_main): Call invoke_plugin_callbacks.
6616         * common.opt: Add -fplugin= and -fplugin-arg-.
6617         * gcc-plugin.h: New public header file for plugins to include.
6618         * plugin.c: New source file.
6619         * plugin.h: New internal header file.
6620         * passes.c (register_one_dump_file): Make it external.
6622         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
6624 2009-04-14  Diego Novillo  <dnovillo@google.com>
6626         * doc/plugins.texi: New.
6627         * doc/gccint.texi: Add reference to Plugins chapter.
6628         * doc/invoke.texi: Document -fplugin and -fplugin-arg
6629         * diagnostic.c (diagnostic_report_diagnostic): Warn about
6630         loaded plugins, if any.
6631         * timevar.def (TV_PLUGIN_INIT): Define.
6632         (TV_PLUGIN_RUN): Define.
6633         * plugin.c: Include timevar.h
6634         (plugins_active_p): New.
6635         (dump_active_plugins): New.
6636         (debug_active_plugins): New.
6638 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
6640         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
6641         library paths.
6642         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
6644 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
6646         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
6647         the same as a minus without a shift.
6649 2009-04-14  Nick Clifton  <nickc@redhat.com>
6651         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
6652         comparisons with small integers will always produce a short
6653         branch.
6655 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
6657         Merge:
6658         2008-12-19  Diego Novillo  <dnovillo@google.com>
6660         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
6662 2009-04-14  Richard Guenther  <rguenther@suse.de>
6664         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
6665         verification.
6666         (verify_gimple_assign_binary): Likewise.  Handle shifts and
6667         rotates correctly.
6668         (verify_gimple_phi): Print the mismatched argument position.
6669         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6670         Fix types.
6671         (vect_update_init_of_dr): Likewise.
6672         * matrix-reorg.c (transform_access_sites): Do what the
6673         comment suggests.
6674         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
6676 2009-04-13  Michael Eager  <eager@eagercon.com>
6678         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
6679         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
6680         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
6681         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
6682         remove duplicate config
6684 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6686         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
6687         file_name:line_number type locator of the call site.
6689 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6691         * genautomata.c: Put blank after comma.
6692         (automaton_decls): New.
6693         (struct unit_usage): Add comments to member next.
6694         (store_alt_unit_usage): Keep the list ordered.
6695         (unit_present_on_list_p, equal_alternatives_p): New.
6696         (check_regexp_units_distribution): Check units distribution
6697         correctness correctly.
6698         (main): Don't write automata if error is found.  Return correct
6699         exit code.
6701         * config/m68k/cf.md (cfv4_ds): Remove.
6702         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
6703         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
6705         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
6706         power4-load-ext, power4-store, power4-store-update,
6707         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
6708         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
6709         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
6710         power4-sqrt, power4-isync): Modify reservation to make correct
6711         unit distribution to automata.
6713         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
6714         power5-store-update, power5-two, power5-three, power5-lmul,
6715         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
6717 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
6719         * except.c (pass_set_nothrow_function_flags): Set name and add
6720         TODO_dump_func.
6721         (set_nothrow_function_flags): Mention in the dump file when
6722         changing a function to nothrow.
6724 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
6726         PR/39066
6727         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
6728         instead of unsigned long.
6730 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6732         * config/arm/arm.c (return_used_this_function): Remove.
6733         (arm_output_function_prologue): Remove use of
6734         return_used_this_function.
6735         (output_return_instruction): Replace use of
6736         return_used_this_function
6737         by cfun->machine->return_used_this_function.
6738         (arm_output_epilogue): Likewise.
6739         (arm_output_function_epilogue): Likewise.
6740         (thumb_unexpanded_epilogue): Likewise.
6741         * config/arm/arm.h (struct machine_function):
6742         New member return_used_this_function.
6744 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
6746         * doc/install.texi: Correct description of default directory for
6747         --with-gxx-include-dir.
6749 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6751         * fold-const.c (build_range_check): Properly deal with enumeral and
6752         boolean base types.
6754 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
6756         * doc/invoke.texi (max_gcse_passes): Remove documentation.
6757         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
6758         * params.h (MAX_GCSE_PASSES): Remove.
6759         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
6760         in sequence.  Remove ability to run multiple passes.
6761         (bypass_jumps): Report run as third CPROP pass.
6763 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
6765         PR middle-end/39651
6766         * except.c (can_throw_external): Look at each insn in a SEQUENCE
6767         when deciding whether the whole SEQUENCE can throw.
6769 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6771         PR target/39740
6772         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6773         offseted label references.
6775 2009-04-11  Jan Hubicka  <jh@suse.cz>
6777         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6779 2009-04-11  Richard Guenther  <rguenther@suse.de>
6781         PR middle-end/39732
6782         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6783         return variables as TREE_ADDRESSABLE.
6785 2009-04-11  Richard Guenther  <rguenther@suse.de>
6787         PR tree-optimization/39713
6788         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6789         reference trees have SSA_NAME operands.
6791 2009-04-11  Richard Guenther  <rguenther@suse.de>
6793         PR c/39712
6794         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6795         address expressions.
6797 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6799         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6800         match changes in Cygwin 1.7
6801         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6802         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6804 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6806         PR tree-optimization/39701
6807         * doc/invoke.texi (Optimization Options): Document change in
6808         meaning and initialization of -fdelete-null-pointer-checks.
6810 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6812         PR middle-end/39701
6813         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6815         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6816         here.
6818         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6820 2009-04-10  Chao-ying Fu  <fu@mips.com>
6822         * doc/tm.texi (Instruction Output): Document
6823         TARGET_ASM_FINAL_POSTSCAN_INSN.
6824         * target.h (final_postscan_insn): New field in asm_out.
6825         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6826         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6827         * final.c (final_scan_insn): Call
6828         targetm.asm_out.final_postscan_insn after outputting
6829         an asm macro and a normal instruction.
6831         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6832         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6833         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6834         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6835         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6837 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6839         PR middle-end/39701
6840         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6841         variables as non-NULL even with -fdelete-null-pointer-checks.
6843 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6845         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6847 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6849         PR target/39678
6850         * config/i386/i386.c (classify_argument): Handle SCmode with
6851         (bit_offset % 64) != 0.
6853 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6855         * doc/invoke.texi (Optimize Options): Add cross-reference to
6856         -Q --help=optimizers examples.
6858 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6860         PR target/36800
6861         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6862         regalign for the reg == fpr and TDmode case.
6864 2009-04-09  David Ayers  <ayers@fsfe.org>
6866         PR objc/29200
6867         * objc/objc-act.c (warn_with_method): Remove helper function.
6868         (check_duplicates): Call warning and inform directly.
6869         (really_start_method): Likewise.
6871 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6873         * expmed.c (expand_divmod): Always use a comparison for a division
6874         by a large unsigned integer.
6876         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6877         for things others than variables or functions as nonzero.
6879 2009-04-09  Nick Clifton  <nickc@redhat.com>
6881         * unwind-compat.c: Change copyright header to refer to version
6882         3 of the GNU General Public License with version 3.1 of the
6883         GCC Runtime Library Exception and to point readers at the
6884         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6885         * config/alpha/crtfastmath.c: Likewise.
6886         * config/alpha/linux-unwind.h: Likewise.
6887         * config/alpha/qrnnd.asm: Likewise.
6888         * config/alpha/vms-crt0-64.c: Likewise.
6889         * config/alpha/vms-crt0.c: Likewise.
6890         * config/alpha/vms-dwarf2.asm: Likewise.
6891         * config/alpha/vms-dwarf2eh.asm: Likewise.
6892         * config/alpha/vms-psxcrt0-64.c: Likewise.
6893         * config/alpha/vms-psxcrt0.c: Likewise.
6894         * config/alpha/vms_tramp.asm: Likewise.
6895         * config/arc/initfini.c: Likewise.
6896         * config/arc/lib1funcs.asm: Likewise.
6897         * config/arm/bpabi-v6m.S: Likewise.
6898         * config/arm/bpabi.S: Likewise.
6899         * config/arm/bpabi.c: Likewise.
6900         * config/arm/crti.asm: Likewise.
6901         * config/arm/crtn.asm: Likewise.
6902         * config/arm/ieee754-df.S: Likewise.
6903         * config/arm/ieee754-sf.S: Likewise.
6904         * config/arm/lib1funcs.asm: Likewise.
6905         * config/arm/libunwind.S: Likewise.
6906         * config/arm/linux-atomic.c: Likewise.
6907         * config/arm/mmintrin.h: Likewise.
6908         * config/arm/pr-support.c: Likewise.
6909         * config/arm/unaligned-funcs.c: Likewise.
6910         * config/arm/unwind-arm.c: Likewise.
6911         * config/arm/unwind-arm.h: Likewise.
6912         * config/avr/libgcc.S: Likewise.
6913         * config/bfin/crti.s: Likewise.
6914         * config/bfin/crtlibid.s: Likewise.
6915         * config/bfin/crtn.s: Likewise.
6916         * config/bfin/lib1funcs.asm: Likewise.
6917         * config/bfin/linux-unwind.h: Likewise.
6918         * config/cris/arit.c: Likewise.
6919         * config/cris/cris_abi_symbol.c: Likewise.
6920         * config/darwin-64.c: Likewise.
6921         * config/darwin-crt2.c: Likewise.
6922         * config/darwin-crt3.c: Likewise.
6923         * config/darwin.h: Likewise.
6924         * config/dbxelf.h: Likewise.
6925         * config/dfp-bit.c: Likewise.
6926         * config/dfp-bit.h: Likewise.
6927         * config/elfos.h: Likewise.
6928         * config/fixed-bit.c: Likewise.
6929         * config/fixed-bit.h: Likewise.
6930         * config/fp-bit.c: Likewise.
6931         * config/fp-bit.h: Likewise.
6932         * config/fr30/crti.asm: Likewise.
6933         * config/fr30/crtn.asm: Likewise.
6934         * config/fr30/lib1funcs.asm: Likewise.
6935         * config/freebsd-spec.h: Likewise.
6936         * config/frv/cmovd.c: Likewise.
6937         * config/frv/cmovh.c: Likewise.
6938         * config/frv/cmovw.c: Likewise.
6939         * config/frv/frvbegin.c: Likewise.
6940         * config/frv/frvend.c: Likewise.
6941         * config/frv/lib1funcs.asm: Likewise.
6942         * config/glibc-stdint.h: Likewise.
6943         * config/h8300/clzhi2.c: Likewise.
6944         * config/h8300/crti.asm: Likewise.
6945         * config/h8300/crtn.asm: Likewise.
6946         * config/h8300/ctzhi2.c: Likewise.
6947         * config/h8300/fixunssfsi.c: Likewise.
6948         * config/h8300/lib1funcs.asm: Likewise.
6949         * config/h8300/parityhi2.c: Likewise.
6950         * config/h8300/popcounthi2.c: Likewise.
6951         * config/i386/ammintrin.h: Likewise.
6952         * config/i386/att.h: Likewise.
6953         * config/i386/avxintrin.h: Likewise.
6954         * config/i386/biarch64.h: Likewise.
6955         * config/i386/bmmintrin.h: Likewise.
6956         * config/i386/cpuid.h: Likewise.
6957         * config/i386/cross-stdarg.h: Likewise.
6958         * config/i386/crtfastmath.c: Likewise.
6959         * config/i386/crtprec.c: Likewise.
6960         * config/i386/cygming-crtbegin.c: Likewise.
6961         * config/i386/cygming-crtend.c: Likewise.
6962         * config/i386/cygwin.asm: Likewise.
6963         * config/i386/emmintrin.h: Likewise.
6964         * config/i386/gmm_malloc.h: Likewise.
6965         * config/i386/gthr-win32.c: Likewise.
6966         * config/i386/i386.h: Likewise.
6967         * config/i386/immintrin.h: Likewise.
6968         * config/i386/linux-unwind.h: Likewise.
6969         * config/i386/linux64.h: Likewise.
6970         * config/i386/mm3dnow.h: Likewise.
6971         * config/i386/mmintrin-common.h: Likewise.
6972         * config/i386/mmintrin.h: Likewise.
6973         * config/i386/nmmintrin.h: Likewise.
6974         * config/i386/pmm_malloc.h: Likewise.
6975         * config/i386/pmmintrin.h: Likewise.
6976         * config/i386/smmintrin.h: Likewise.
6977         * config/i386/sol2-c1.asm: Likewise.
6978         * config/i386/sol2-ci.asm: Likewise.
6979         * config/i386/sol2-cn.asm: Likewise.
6980         * config/i386/sol2-gc1.asm: Likewise.
6981         * config/i386/tmmintrin.h: Likewise.
6982         * config/i386/unix.h: Likewise.
6983         * config/i386/w32-unwind.h: Likewise.
6984         * config/i386/wmmintrin.h: Likewise.
6985         * config/i386/x86-64.h: Likewise.
6986         * config/i386/x86intrin.h: Likewise.
6987         * config/i386/xmmintrin.h: Likewise.
6988         * config/ia64/crtbegin.asm: Likewise.
6989         * config/ia64/crtend.asm: Likewise.
6990         * config/ia64/crtfastmath.c: Likewise.
6991         * config/ia64/crti.asm: Likewise.
6992         * config/ia64/crtn.asm: Likewise.
6993         * config/ia64/fde-glibc.c: Likewise.
6994         * config/ia64/lib1funcs.asm: Likewise.
6995         * config/ia64/linux-unwind.h: Likewise.
6996         * config/ia64/quadlib.c: Likewise.
6997         * config/ia64/unwind-ia64.c: Likewise.
6998         * config/linux.h: Likewise.
6999         * config/m32c/m32c-lib1.S: Likewise.
7000         * config/m32c/m32c-lib2-trapv.c: Likewise.
7001         * config/m32c/m32c-lib2.c: Likewise.
7002         * config/m32r/initfini.c: Likewise.
7003         * config/m68hc11/larith.asm: Likewise.
7004         * config/m68hc11/m68hc11-crt0.S: Likewise.
7005         * config/m68k/cf.md: Likewise.
7006         * config/m68k/crti.s: Likewise.
7007         * config/m68k/crtn.s: Likewise.
7008         * config/m68k/lb1sf68.asm: Likewise.
7009         * config/m68k/linux-unwind.h: Likewise.
7010         * config/mcore/crti.asm: Likewise.
7011         * config/mcore/crtn.asm: Likewise.
7012         * config/mcore/lib1.asm: Likewise.
7013         * config/mips/linux-unwind.h: Likewise.
7014         * config/mips/loongson.h: Likewise.
7015         * config/mips/mips16.S: Likewise.
7016         * config/mmix/crti.asm: Likewise.
7017         * config/mmix/crtn.asm: Likewise.
7018         * config/pa/fptr.c: Likewise.
7019         * config/pa/hpux-unwind.h: Likewise.
7020         * config/pa/lib2funcs.asm: Likewise.
7021         * config/pa/linux-atomic.c: Likewise.
7022         * config/pa/linux-unwind.h: Likewise.
7023         * config/pa/milli64.S: Likewise.
7024         * config/pa/quadlib.c: Likewise.
7025         * config/pa/stublib.c: Likewise.
7026         * config/picochip/libgccExtras/adddi3.asm: Likewise.
7027         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
7028         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
7029         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
7030         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
7031         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
7032         * config/picochip/libgccExtras/divmod15.asm: Likewise.
7033         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
7034         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
7035         * config/picochip/libgccExtras/longjmp.asm: Likewise.
7036         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
7037         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
7038         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
7039         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
7040         * config/picochip/libgccExtras/setjmp.asm: Likewise.
7041         * config/picochip/libgccExtras/subdi3.asm: Likewise.
7042         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
7043         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
7044         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
7045         * config/rs6000/750cl.h: Likewise.
7046         * config/rs6000/altivec.h: Likewise.
7047         * config/rs6000/biarch64.h: Likewise.
7048         * config/rs6000/crtresfpr.asm: Likewise.
7049         * config/rs6000/crtresgpr.asm: Likewise.
7050         * config/rs6000/crtresxfpr.asm: Likewise.
7051         * config/rs6000/crtresxgpr.asm: Likewise.
7052         * config/rs6000/crtsavfpr.asm: Likewise.
7053         * config/rs6000/crtsavgpr.asm: Likewise.
7054         * config/rs6000/darwin-asm.h: Likewise.
7055         * config/rs6000/darwin-fallback.c: Likewise.
7056         * config/rs6000/darwin-fpsave.asm: Likewise.
7057         * config/rs6000/darwin-ldouble.c: Likewise.
7058         * config/rs6000/darwin-tramp.asm: Likewise.
7059         * config/rs6000/darwin-unwind.h: Likewise.
7060         * config/rs6000/darwin-vecsave.asm: Likewise.
7061         * config/rs6000/darwin-world.asm: Likewise.
7062         * config/rs6000/e500crtres32gpr.asm: Likewise.
7063         * config/rs6000/e500crtres64gpr.asm: Likewise.
7064         * config/rs6000/e500crtres64gprctr.asm: Likewise.
7065         * config/rs6000/e500crtrest32gpr.asm: Likewise.
7066         * config/rs6000/e500crtrest64gpr.asm: Likewise.
7067         * config/rs6000/e500crtresx32gpr.asm: Likewise.
7068         * config/rs6000/e500crtresx64gpr.asm: Likewise.
7069         * config/rs6000/e500crtsav32gpr.asm: Likewise.
7070         * config/rs6000/e500crtsav64gpr.asm: Likewise.
7071         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
7072         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
7073         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
7074         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
7075         * config/rs6000/eabi-ci.asm: Likewise.
7076         * config/rs6000/eabi-cn.asm: Likewise.
7077         * config/rs6000/eabi.asm: Likewise.
7078         * config/rs6000/linux-unwind.h: Likewise.
7079         * config/rs6000/linux64.h: Likewise.
7080         * config/rs6000/paired.h: Likewise.
7081         * config/rs6000/paired.md: Likewise.
7082         * config/rs6000/ppc64-fp.c: Likewise.
7083         * config/rs6000/ppu_intrinsics.h: Likewise.
7084         * config/rs6000/rs6000.h: Likewise.
7085         * config/rs6000/si2vmx.h: Likewise.
7086         * config/rs6000/sol-ci.asm: Likewise.
7087         * config/rs6000/sol-cn.asm: Likewise.
7088         * config/rs6000/spe.h: Likewise.
7089         * config/rs6000/spu2vmx.h: Likewise.
7090         * config/rs6000/sysv4.h: Likewise.
7091         * config/rs6000/tramp.asm: Likewise.
7092         * config/rs6000/vec_types.h: Likewise.
7093         * config/s390/linux-unwind.h: Likewise.
7094         * config/s390/tpf-unwind.h: Likewise.
7095         * config/score/crti.asm: Likewise.
7096         * config/score/crtn.asm: Likewise.
7097         * config/sh/crt1.asm: Likewise.
7098         * config/sh/crti.asm: Likewise.
7099         * config/sh/crtn.asm: Likewise.
7100         * config/sh/divtab-sh4-300.c: Likewise.
7101         * config/sh/divtab-sh4.c: Likewise.
7102         * config/sh/divtab.c: Likewise.
7103         * config/sh/lib1funcs-4-300.asm: Likewise.
7104         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
7105         * config/sh/lib1funcs.asm: Likewise.
7106         * config/sh/lib1funcs.h: Likewise.
7107         * config/sh/linux-atomic.asm: Likewise.
7108         * config/sh/linux-unwind.h: Likewise.
7109         * config/sh/shmedia.h: Likewise.
7110         * config/sh/sshmedia.h: Likewise.
7111         * config/sh/ushmedia.h: Likewise.
7112         * config/sparc/crtfastmath.c: Likewise.
7113         * config/sparc/linux-unwind.h: Likewise.
7114         * config/sparc/sol2-c1.asm: Likewise.
7115         * config/sparc/sol2-ci.asm: Likewise.
7116         * config/sparc/sol2-cn.asm: Likewise.
7117         * config/spu/divmodti4.c: Likewise.
7118         * config/spu/divv2df3.c: Likewise.
7119         * config/spu/float_disf.c: Likewise.
7120         * config/spu/float_unsdidf.c: Likewise.
7121         * config/spu/float_unsdisf.c: Likewise.
7122         * config/spu/float_unssidf.c: Likewise.
7123         * config/spu/mfc_multi_tag_release.c: Likewise.
7124         * config/spu/mfc_multi_tag_reserve.c: Likewise.
7125         * config/spu/mfc_tag_release.c: Likewise.
7126         * config/spu/mfc_tag_reserve.c: Likewise.
7127         * config/spu/mfc_tag_table.c: Likewise.
7128         * config/spu/multi3.c: Likewise.
7129         * config/spu/spu_internals.h: Likewise.
7130         * config/spu/spu_intrinsics.h: Likewise.
7131         * config/spu/spu_mfcio.h: Likewise.
7132         * config/spu/vec_types.h: Likewise.
7133         * config/spu/vmx2spu.h: Likewise.
7134         * config/stormy16/stormy16-lib2.c: Likewise.
7135         * config/svr4.h: Likewise.
7136         * config/sync.c: Likewise.
7137         * config/v850/lib1funcs.asm: Likewise.
7138         * config/vxlib-tls.c: Likewise.
7139         * config/vxlib.c: Likewise.
7140         * config/vxworks-dummy.h: Likewise.
7141         * config/xtensa/crti.asm: Likewise.
7142         * config/xtensa/crtn.asm: Likewise.
7143         * config/xtensa/ieee754-df.S: Likewise.
7144         * config/xtensa/ieee754-sf.S: Likewise.
7145         * config/xtensa/lib1funcs.asm: Likewise.
7146         * config/xtensa/lib2funcs.S: Likewise.
7147         * config/xtensa/linux-unwind.h: Likewise.
7148         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
7149         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
7150         * coretypes.h: Likewise.
7151         * crtstuff.c: Likewise.
7152         * defaults.h: Likewise.
7153         * dwarf2.h: Likewise.
7154         * emutls.c: Likewise.
7155         * gbl-ctors.h: Likewise.
7156         * gcov-io.h: Likewise.
7157         * ginclude/float.h: Likewise.
7158         * ginclude/iso646.h: Likewise.
7159         * ginclude/stdarg.h: Likewise.
7160         * ginclude/stdbool.h: Likewise.
7161         * ginclude/stddef.h: Likewise.
7162         * ginclude/stdfix.h: Likewise.
7163         * ginclude/stdint-gcc.h: Likewise.
7164         * ginclude/tgmath.h: Likewise.
7165         * gthr-aix.h: Likewise.
7166         * gthr-dce.h: Likewise.
7167         * gthr-gnat.c: Likewise.
7168         * gthr-gnat.h: Likewise.
7169         * gthr-lynx.h: Likewise.
7170         * gthr-mipssde.h: Likewise.
7171         * gthr-nks.h: Likewise.
7172         * gthr-posix.c: Likewise.
7173         * gthr-posix.h: Likewise.
7174         * gthr-posix95.h: Likewise.
7175         * gthr-rtems.h: Likewise.
7176         * gthr-single.h: Likewise.
7177         * gthr-solaris.h: Likewise.
7178         * gthr-tpf.h: Likewise.
7179         * gthr-vxworks.h: Likewise.
7180         * gthr-win32.h: Likewise.
7181         * gthr.h: Likewise.
7182         * libgcc2.c: Likewise.
7183         * libgcc2.h: Likewise.
7184         * libgcov.c: Likewise.
7185         * tsystem.h: Likewise.
7186         * typeclass.h: Likewise.
7187         * unwind-c.c: Likewise.
7188         * unwind-compat.h: Likewise.
7189         * unwind-dw2-fde-compat.c: Likewise.
7190         * unwind-dw2-fde-darwin.c: Likewise.
7191         * unwind-dw2-fde-glibc.c: Likewise.
7192         * unwind-dw2-fde.c: Likewise.
7193         * unwind-dw2-fde.h: Likewise.
7194         * unwind-dw2.c: Likewise.
7195         * unwind-dw2.h: Likewise.
7196         * unwind-generic.h: Likewise.
7197         * unwind-pe.h: Likewise.
7198         * unwind-sjlj.c: Likewise.
7199         * unwind.inc: Likewise.
7200         * config/arm/neon-gen.ml: Change generated copyright header to
7201         refer to version 3 of the GNU General Public License with
7202         version 3.1 of the GCC Runtime Library Exception and to point
7203         readers at the COPYING3 and COPYING3.RUNTIME files and the
7204         FSF's license web page.
7205         * config/arm/arm_neon.h: Regenerate.
7207 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
7209         * config/cris/cris.md: Change copyright header to refer to version
7210         3 of the GNU General Public License.
7211         * doc/install.texi2html: Change copyright header to refer to version
7212         3 of the GNU General Public License and to point readers at the
7213         COPYING3 file and the FSF's license web page.
7214         * config/vax/linux.h: Likewise.
7216 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
7218         * config/i386/i386.md (cmpcc): New.
7219         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
7220         (sync_compare_and_swap_cc*): Delete.
7222         * config/s390/s390.c (s390_compare_emitted): Remove.
7223         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
7224         s390_compare_emitted used to be handled.  Assert that modes match.
7225         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
7226         refer to sync_compare_and_swap_ccsi.
7227         * config/s390/s390.h (s390_compare_emitted): Remove.
7228         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
7229         instead of s390_compare_emitted.
7230         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
7231         instead of s390_compare_emitted.
7232         * config/s390/s390.md (cmpcc): New.
7233         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
7234         CC_REGNUM, do not pretend it's set.
7235         (sync_compare_and_swap_cc*): Delete.
7236         * config/s390/predicates.md (cc_reg_operand): New.
7238         * expr.c (sync_compare_and_swap_cc): Delete.
7239         * optabs.h (sync_compare_and_swap_cc): Delete.
7240         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
7241         is being used with can_compare_p.
7242         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
7243         (find_cc_set): New.
7244         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
7245         look for a MODE_CC set instead.  Use emit_store_flag.
7246         (expand_compare_and_swap_loop): Likewise, with some additional
7247         complication to avoid a force_reg when useless.  Use
7248         emit_cmp_and_jump_insns.
7249         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
7250         * doc/md.texi (sync_compare_and_swap_cc): Merge with
7251         sync_compare_and_swap documentation.
7253 2009-04-09  Jan Hubicka  <jh@suse.cz>
7255         * except.c (find_prev_try): Break out from ....
7256         (duplicate_eh_regions): ... here; properly update prev_try pointers
7257         when duplication part of tree.
7258         (dump_eh_tree): Improve dumping.
7259         (verify_eh_region): New.
7260         (verify_eh_tree): Use it.
7262 2009-04-06  Richard Guenther  <rguenther@suse.de>
7264         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
7265         &ARRAY addresses by adjusting their types and prepending
7266         a conversion.
7267         * tree-cfg.c (verify_gimple_assign_single): Verify that
7268         addresses are correct.
7270 2009-04-09  Richard Guenther  <rguenther@suse.de>
7272         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
7273         indices into an array reference if possible.
7274         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7275         Fold POINTER_PLUS_EXPR statements with invariant address.
7277 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
7279         PR target/39634
7280         * config.gcc (powerpc64-*-linux*): Always build biarch.
7282 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
7284         PR c/39613
7285         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
7286         it and pedwarn if this results in an INTEGER_CST.
7288 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7290         * doc/install.texi: Update minimum GMP version.  Remove obsolete
7291         text in MPFR section.
7293 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
7295         * dwarf2out.c (class_scope_p): New static inline.
7296         (class_or_namespace_scope_p): Use it.
7297         (gen_variable_die): Use DW_TAG_member tag for static data member
7298         declarations instead of DW_TAG_variable.
7300         PR middle-end/39573
7301         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
7302         variables.
7304 2009-04-08  Richard Guenther  <rguenther@suse.de>
7306         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
7307         valueize random data.
7309 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
7311         * config.gcc (aix tm_file):  Add aix-stdint.h.
7312         (aix tm clause use_gcc_stdint):  Set to wrap.
7313         * config/rs6000/aix-stdint.h:  New file.
7315 2009-04-08  Richard Guenther  <rguenther@suse.de>
7317         PR middle-end/36291
7318         * tree-dfa.c (add_referenced_var): Do not recurse into
7319         global initializers.
7320         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
7321         exposed variables.
7322         (fold_const_aggregate_ref): Likewise.
7324 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7326         * recog.c (ordered_comparison_operator): New.
7327         * gensupport.c (std_preds): Add it.
7328         * doc/md.texi (Machine-Independent Predicates): Document it.
7330 2009-04-08  Jan Hubicka  <jh@suse.cz>
7332         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
7333         * function.h (rtl_eh): Remove exception_handler_label_map.
7334         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
7335         remove_exception_handler_label, for_each_eh_label_1): Remove.
7336         (rtl_remove_unreachable_regions): Remove.
7337         (convert_from_eh_region_ranges): Do not remove unreachable regions.
7338         (find_exception_handler_labels): Don't build the hashtable.
7339         (maybe_remove_eh_handler): Remove.
7340         (for_each_eh_label): Rewrite to walk the tree.
7341         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
7342         * except.h (maybe_remove_eh_handler): Remove.
7343         * passes.c (init_optimization_passes): Schedule second EH cleanup
7344         before out-of-ssa.
7345         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
7346         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
7348 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7350         * genoutput.c (validate_optab_operands): New.
7351         (gen_insn, gen_expand): Call it.
7353         * genflags.c (gen_insn): Detect misused iterators.
7354         (main): Pass line_no to gen_insn, exit with status 1 on error.
7356         * genextract.c (line_no): Make global.
7357         (VEC_safe_set_locstr): Change assertion to error message.
7358         (main): Exit with status 1 on error.
7360 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
7362         PR c/39614
7363         PR c/39673
7364         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7365         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7366         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
7367         * c-convert.c (convert): Do not call fold on results of conversion
7368         functions when the result is a C_MAYBE_CONST_EXPR.
7369         * c-parser.c (c_parser_postfix_expression): Do not fold condition
7370         of __builtin_choose_expr.
7371         * c-typeck.c (remove_c_maybe_const_expr): New.
7372         (build_unary_op, build_conditional_expr, build_compound_expr,
7373         build_binary_op, c_objc_common_truthvalue_conversion): Call
7374         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
7375         integer operands.
7377 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
7379         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
7380         CODE to produce a new one. Add a prototype to use fold_convert_const
7382 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
7384         PR bootstrap/39660
7385         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
7386         mix declarations and code.
7388 2009-04-08  Ben Elliston  <bje@au.ibm.com>
7390         * gcc.c: Replace `CC' with `GCC' throughout.
7392 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
7394         * doc/invoke.texi: Document Atom support.
7396 2009-04-07  Jason Merrill  <jason@redhat.com>
7398         PR c++/25185
7399         * c-common.h, c-common.c: Add flag_pretty_templates.
7400         * c-opts.c (c_common_handle_option): Set it.
7401         * c.opt: Add -fno-pretty-templates.
7402         * doc/invoke.texi (C++ Dialect Options): Likewise.
7404 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
7406         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
7407         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
7408         (ia64_expand_builtin): Likewise.
7410 2009-04-07  Martin Jambor  <mjambor@suse.cz>
7412         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
7413         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
7414         ADDR_EXPRS are include too.
7416 2009-04-07  Richard Guenther  <rguenther@suse.de>
7418         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
7419         decls are only used if passes as parameters or if they are
7420         local statics and the call is not to a builtin.
7421         (call_may_clobber_ref_p_1): Likewise.
7423 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7425         * expr.c (do_store_flag): Remove last argument.  Simplify code
7426         to avoid duplication of tests already done by can_compare_p.
7427         (expand_expr_real_1): Adjust caller.
7429 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7431         * optabs.c (can_compare_p): Test the predicate of a
7432         cbranch and cstore pattern.
7434 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7436         * expr.c (convert_move): Use emit_store_flag instead of
7437         "emulating" it.
7439 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7441         * config/i386/i386.c (ix86_compare_emitted): Remove.
7442         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
7443         ix86_compare_op0 like ix86_compare_emitted used to be handled.
7444         * config/i386/i386.h (ix86_compare_emitted): Remove.
7445         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
7446         instead of ix86_compare_emitted.
7447         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
7449 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
7451         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
7452         Add t-sysroot-suffix to tmake_file.
7453         * config/print-sysroot-suffix.sh: New file.
7454         * config/t-sysroot-suffix: New file.
7456 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7458         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
7459         as the latter produces a warning when the target does not support
7460         infinity.
7462 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7464         * dfp.c: Replace type punning assignments with memcpy throughout.
7465         * Makefile.in (dfp.o-warn): Remove.
7467 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
7469         PR target/39634
7470         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
7471         Include soft-fp/t-softfp after rs6000/t-linux64.
7473 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7475         * stor-layout.c (set_sizetype): Use the full precision of their
7476         machine mode for bitsize types.
7478 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
7480         * config/i386/i386.md: Revert 2 accidental checkins.
7482 2009-04-06  Joey Ye  <joey.ye@intel.com>
7483             Xuepeng Guo  <xuepeng.guo@intel.com>
7484             H.J. Lu  <hongjiu.lu@intel.com>
7486         Atom pipeline model, tuning and insn selection.
7487         * config.gcc (atom): Add atom config options and target.
7489         * config/i386/atom.md: New.
7491         * config/i386/i386.c (atom_cost): New cost.
7492         (m_ATOM): New macro flag.
7493         (initial_ix86_tune_features): Set m_ATOM.
7494         (x86_accumulate_outgoing_args): Likewise.
7495         (x86_arch_always_fancy_math_387): Likewise.
7496         (processor_target): Add Atom cost.
7497         (cpu_names): Add Atom cpu name.
7498         (override_options): Set Atom ISA.
7499         (ix86_issue_rate): New case PROCESSOR_ATOM.
7500         (ix86_adjust_cost): Likewise.
7502         * config/i386/i386.h (TARGET_ATOM): New target macro.
7503         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
7504         (TARGET_OPT_AGU): New target option.
7505         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
7506         (processor_type): Add PROCESSOR_ATOM.
7508         * config/i386/i386.md (cpu): Add new value "atom".
7509         (use_carry, movu): New attr.
7510         (atom.md): Include atom.md.
7511         (adddi3_carry_rex64): Set attr "use_carry".
7512         (addqi3_carry): Likewise.
7513         (addhi3_carry): Likewise.
7514         (addsi3_carry): Likewise.
7515         (*addsi3_carry_zext): Likewise.
7516         (subdi3_carry_rex64): Likewise.
7517         (subqi3_carry): Likewise.
7518         (subhi3_carry): Likewise.
7519         (subsi3_carry): Likewise.
7520         (x86_movdicc_0_m1_rex64): Likewise.
7521         (*x86_movdicc_0_m1_se): Likewise.
7522         (x86_movsicc_0_m1): Likewise.
7523         (*x86_movsicc_0_m1_se): Likewise.
7524         (*adddi_1_rex64): Emit add insn as much as possible.
7525         (*addsi_1): Likewise.
7526         (return_internal): Set atom_unit.
7527         (return_internal_long): Likewise.
7528         (return_pop_internal): Likewise.
7529         (*rcpsf2_sse): Set atom_sse_attr attr.
7530         (*qrt<mode>2_sse): Likewise.
7531         (*prefetch_sse): Likewise.
7533         * config/i386/i386-c.c (ix86_target_macros_internal): New case
7534         PROCESSOR_ATOM.
7535         (ix86_target_macros_internal): Likewise.
7537         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
7538         (*prefetch_sse_rex): Likewise.
7539         (sse_rcpv4sf2): Likewise.
7540         (sse_vmrcpv4sf2): Likewise.
7541         (sse_sqrtv4sf2): Likewise.
7542         (<sse>_vmsqrt<mode>2): Likewise.
7543         (sse_ldmxcsr): Likewise.
7544         (sse_stmxcsr): Likewise.
7545         (*sse_sfence): Likewise.
7546         (sse2_clflush): Likewise.
7547         (*sse2_mfence): Likewise.
7548         (*sse2_lfence): Likewise.
7549         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
7550         (<sse>_movup<ssemodesuffixf2c>): Likewise.
7551         (avx_movdqu<avxmodesuffix>): Likewise.
7552         (avx_lddqu<avxmodesuffix>): Likewise.
7553         (sse2_movntv2di): Change attr "type" to "ssemov".
7554         (sse2_movntsi): Likewise.
7555         (rsqrtv8sf2): Change attr "type" to "sseadd".
7556         (sse3_addsubv2df3): Set attr "atom_unit".
7557         (sse3_h<plusminus_insn>v4sf3): Likewise.
7558         (*sse2_pmaddwd): Likewise.
7559         (*vec_extractv2di_1_rex64): Likewise.
7560         (*vec_extractv2di_1_avx): Likewise.
7561         (sse2_psadbw): Likewise.
7562         (ssse3_phaddwv8hi3): Likewise.
7563         (ssse3_phaddwv4hi3): Likewise.
7564         (ssse3_phadddv4si3): Likewise.
7565         (ssse3_phadddv2si3): Likewise.
7566         (ssse3_phaddswv8hi3): Likewise.
7567         (ssse3_phaddswv4hi3): Likewise.
7568         (ssse3_phsubwv8hi3): Likewise.
7569         (ssse3_phsubwv4hi3): Likewise.
7570         (ssse3_phsubdv4si3): Likewise.
7571         (ssse3_phsubdv2si3): Likewise.
7572         (ssse3_phsubswv8hi3): Likewise.
7573         (ssse3_phsubswv4hi3): Likewise.
7574         (ssse3_pmaddubsw128): Likewise.
7575         (sse3_pmaddubsw: Likewise.
7576         (ssse3_palignrti): Likewise.
7577         (ssse3_palignrdi): Likewise.
7579 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
7581         * doc/install.texi (Specific): Fix two cross-references to MinGW.
7583 2009-04-06  Richard Guenther  <rguenther@suse.de>
7585         PR tree-optimization/28868
7586         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
7587         of which PHI results we inserted.
7588         (insert_into_preds_of_block): Record inserted PHIs.
7589         (eliminate): Eliminate redundant PHI nodes.
7590         (init_pre): Init inserted_phi_names.
7592 2009-04-06  Richard Guenther  <rguenther@suse.de>
7594         PR tree-optimization/39643
7595         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
7596         IMAGPART_EXPRs of complex constants.
7597         (execute_fold_all_builtins): If we folded a call queue
7598         TODO_update_address_taken.
7600 2009-04-06  Jan Hubicka  <jh@suse.cz>
7602         PR middle-end/39659
7603         * except.c (remove_unreachable_regions): Propagate may_contain_throw
7604         flag.
7606 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
7608         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
7609         delay slot.
7610         (ic_invalidate_array): Likewise.
7612 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
7614         * calls.c (emit_library_call_value_1): Fix a problem with parameter
7615         alignment for library calls.
7617 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
7619         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
7620         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
7621         * config/i386/mingw-stdint.h:  New file.
7623 2009-04-05  Richard Guenther  <rguenther@suse.de>
7625         PR tree-optimization/39648
7626         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
7627         our &A vs. &A[0] IL deficiencies.
7629 2009-04-04  Jan Hubicka  <jh@suse.cz>
7631         * except.c (sjlj_find_directly_reachable_regions): Be ready for
7632         removed toplevel regions.
7633         (sjlj_mark_call_sites): Likewise.
7635 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
7637         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
7638         (cygwin tm clause use_gcc_stdint):  Set to wrap.
7639         * config/i386/cygwin-stdint.h:  New file.
7641 2009-04-04  Richard Guenther  <rguenther@suse.de>
7643         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
7644         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
7645         single-argument PHIs if we are in loop-closed SSA form.
7646         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7647         for the pre-condition.
7648         (slpeel_tree_peel_loop_to_edge): Likewise.
7649         (vect_build_loop_niters): Take an optional sequence to append stmts.
7650         (vect_generate_tmps_on_preheader): Likewise.
7651         (vect_do_peeling_for_loop_bound): Take extra guards for the
7652         pre-condition.
7653         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
7654         the cost model check.
7655         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7656         guards if we are going to peel.  Do not apply versioning in that case.
7657         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
7658         (vect_do_peeling_for_loop_bound): Likewise.
7659         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
7660         loop bound only record extra pre-conditions, do not apply loop
7661         versioning.
7663 2009-04-04  Richard Guenther  <rguenther@suse.de>
7665         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
7666         renaming code.
7668 2009-04-04  Jan Hubicka  <jh@suse.cz>
7670         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7671         last_basic_block for size of bb->index indexed array.
7672         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
7673         compute_out, link_btr_uses, build_btr_def_use_webs,
7674         build_btr_def_use_webs, migrate_btr_defs): Likewise.
7676 2009-04-04  Jan Hubicka  <jh@suse.cz>
7678         * except.c (remove_eh_handler_and_replace): Break out from ...
7679         (remove_eh_handler): ... here.
7680         (bring_to_root): New function.
7681         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7682         handled ones, bring others to root of tree.
7684 2009-04-04  Jan Hubicka  <jh@suse.cz>
7686         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
7687         (all_phis_safe_to_merge): New function.
7688         (update_info): New structure.
7689         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
7690         (cleanup_empty_eh): Update SSA if possible.
7692 2009-04-04  Richard Guenther  <rguenther@suse.de>
7694         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
7695         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
7696         (append_vuse): Likewise.
7698 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
7700         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
7701         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
7702         instead of REG_UNSAVED for DW_CFA_undefined.
7703         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
7704         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
7705         outermost frame.
7707 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
7709         PR target/39501
7710         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
7711         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
7712         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
7714 2009-04-04  Richard Guenther  <rguenther@suse.de>
7716         PR tree-optimization/8781
7717         PR tree-optimization/37892
7718         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
7719         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
7720         (valueize_refs): Call it for *& valueizations.
7721         (shared_reference_ops_from_ref): Rename to ...
7722         (valueize_shared_reference_ops_from_ref): ... this and valueize.
7723         (shared_reference_ops_from_call): Rename to ...
7724         (valueize_shared_reference_ops_from_call): ... this and valueize.
7725         (vn_reference_lookup): Update.
7726         (visit_reference_op_call): Likewise.
7727         * tree-ssa-pre.c (phi_translate_1): Fold *&.
7728         (eliminate): Value-replace the call address in call statements.
7730 2009-04-04  Richard Guenther  <rguenther@suse.de>
7732         PR tree-optimization/39636
7733         * tree-ssa-forwprop.c
7734         (forward_propagate_addr_into_variable_array_index): Check for
7735         GIMPLE_ASSIGN before accessing the rhs code.
7737 2009-04-03  Jason Merrill  <jason@redhat.com>
7739         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
7741 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
7743         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
7744         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
7745         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
7746         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
7747         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
7748         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
7749         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
7750         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
7751         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
7752         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
7753         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
7754         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
7755         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
7756         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
7757         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
7758         Use fr_reg_or_fp01_operand instead of fr_register_operand
7760         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
7761         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
7762         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
7764 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
7766         PR rtl-optimization/39607
7767         PR rtl-optimization/39631
7769         Revert:
7771         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7772         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7773         instead of DF_LR_OUT.
7774         * ira-lives.c (process_bb_node_lives): Ditto.
7775         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7776         instead of DF_LR_{OUT,IN}.
7777         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7778         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7780 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7782         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7783         (execute_lower_omp): Always run but take the short way out if -fopenmp
7784         is not given.
7785         (gate_lower_omp): Remove, forcing the pass manager to always run the
7786         pass and always set PROP_gimple_lomp.
7787         (pass_lower_omp): Remove gate function.
7788         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7789         PROP_trees.  Instead, require it.
7790         * ipa-cp.c (pass_ipa_cp): Likewise.
7791         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7792         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7793         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7794         and PROP_gimple_leh.
7796 2009-04-03  Richard Guenther  <rguenther@suse.de>
7798         PR middle-end/13146
7799         PR tree-optimization/23940
7800         PR tree-optimization/33237
7801         PR middle-end/33974
7802         PR middle-end/34093
7803         PR tree-optimization/36201
7804         PR tree-optimization/36230
7805         PR tree-optimization/38049
7806         PR tree-optimization/38207
7807         PR tree-optimization/38230
7808         PR tree-optimization/38301
7809         PR tree-optimization/38585
7810         PR middle-end/38895
7811         PR tree-optimization/38985
7812         PR tree-optimization/39299
7813         * tree-ssa-structalias.h: Remove.
7814         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7815         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7816         (struct vuse_element_d): Remove.
7817         (struct vuse_vec_d): Likewise.
7818         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7819         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7820         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7821         VUSE_ELEMENT_VAR): Likewise.
7822         (struct voptype_d): Likewise.
7823         (NUM_VOP_FREE_BUCKETS): Likewise.
7824         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7825         (struct stmt_operands_d): Remove.
7826         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7827         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7828         VDEF_NUM, VDEF_VECT): Likewise.
7829         (copy_virtual_operands): Remove.
7830         (operand_build_cmp): Likewise.
7831         (create_ssa_artificial_load_stmt): Likewise.
7832         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7833         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7834         vuse_index and mayuse_index members.  Pack and move done and iter_type
7835         members to the front.
7836         (SSA_OP_VMAYUSE): Remove.
7837         (SSA_OP_VIRTUAL_USES): Adjust.
7838         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7839         (unlink_stmt_vdef): Declare.
7840         (add_to_addressable_set): Remove.
7841         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7842         (vrp_visit_stmt): Likewise.
7843         * doc/tree-ssa.texi (Alias analysis): Update.
7844         * doc/invoke.texi (max-aliased-vops): Remove docs.
7845         (avg-aliased-vops): Likewise.
7846         * tree-into-ssa.c (syms_to_rename): Remove.
7847         (need_to_update_vops_p): Likewise.
7848         (need_to_initialize_update_ssa_p): Rename to ...
7849         (update_ssa_initialized_fn): ... this.  Track function we are
7850         initialized for.
7851         (symbol_marked_for_renaming): Simplify.
7852         (add_new_name_mapping): Do not set need_to_update_vops_p.
7853         (dump_currdefs): Use SYMS_TO_RENAME.
7854         (rewrite_update_stmt): Always walk all uses/defs.
7855         (dump_update_ssa): Adjust.
7856         (init_update_ssa): Take function argument.  Track what we are
7857         initialized for.
7858         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7859         (create_new_def_for): Initialize for cfun, assert we are initialized
7860         for cfun.
7861         (mark_sym_for_renaming): Simplify.
7862         (mark_set_for_renaming): Do not initialize update-ssa.
7863         (need_ssa_update_p): Simplify.  Take function argument.
7864         (name_mappings_registered_p): Assert we ask for the correct function.
7865         (name_registered_for_update_p): Likewise.
7866         (ssa_names_to_replace): Likewise.
7867         (release_ssa_name_after_update_ssa): Likewise.
7868         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7869         (dump_decl_set): Do not print a newline.
7870         (debug_decl_set): Do it here.
7871         (dump_update_ssa): And here.
7872         * tree-ssa-loop-im.c (move_computations): Adjust.
7873         (movement_possibility): Likewise.
7874         (determine_max_movement): Likewise.
7875         (gather_mem_refs_stmt): Likewise.
7876         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7877         or NAME_MEMORY_TAG.
7878         * tree-complex.c (update_all_vops): Remove.
7879         (expand_complex_move): Adjust.
7880         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7881         Simplify test for memory referencing statement.  Exclude
7882         non-invariant ADDR_EXPRs.
7883         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7884         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7885         (rdg_flag_uses): Likewise.
7886         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7887         related code.
7888         (tree_optimize_tail_calls_1): Also split the
7889         edge from the entry block if we have degenerate PHI nodes in
7890         the first basic block.
7891         * tree.c (init_ttree): Remove memory-tag related code.
7892         (tree_code_size): Likewise.
7893         (tree_node_structure): Likewise.
7894         (build7_stat): Re-write to be build6_stat.
7895         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7896         (SSA_VAR_P): Adjust.
7897         (struct tree_memory_tag): Remove.
7898         (struct tree_memory_partition_tag): Likewise.
7899         (union tree_node): Adjust.
7900         (build7): Re-write to be build6.
7901         * tree-pass.h (pass_reset_cc_flags): Remove.
7902         (TODO_update_address_taken): New flag.
7903         (pass_simple_dse): Remove.
7904         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7905         * params.h (MAX_ALIASED_VOPS): Remove.
7906         (AVG_ALIASED_VOPS): Likewise.
7907         * omp-low.c (expand_omp_taskreg): Update SSA form.
7908         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7909         aliases the lhs in a copy stmt.
7910         * tree-ssa-dse.c (struct address_walk_data): Remove.
7911         (memory_ssa_name_same): Likewise.
7912         (memory_address_same): Likewise.
7913         (get_kill_of_stmt_lhs): Likewise.
7914         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7915         unused stores.  Look through PHI nodes into post-dominated regions.
7916         (dse_optimize_stmt): Simplify.  Properly remove stores.
7917         (tree_ssa_dse): Compute dominators.
7918         (execute_simple_dse): Remove.
7919         (pass_simple_dse): Likewise.
7920         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7921         gimple_loaded_syms and gimple_stored_syms computation.
7922         * toplev.c (dump_memory_report): Dump alias and pta stats.
7923         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7924         (vn_reference_eq): Likewise.
7925         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7926         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7927         valueize_vuses): Remove.
7928         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7929         (get_def_ref_stmt_vuse): ... this.
7930         (vn_reference_lookup_2): New function.
7931         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7932         walking equivalent vuses.  Simplify.
7933         (vn_reference_lookup): Likewise.
7934         (vn_reference_insert): Likewise.
7935         (vn_reference_insert_pieces): Likewise.
7936         (visit_reference_op_call): Simplify.
7937         (visit_reference_op_load): Likewise.
7938         (visit_reference_op_store): Likewise.
7939         (init_scc_vn): Remove shared_lookup_vuses initialization.
7940         (free_scc_vn): Remove shared_lookup_vuses freeing.
7941         (sort_vuses, sort_vuses_heap): Remove.
7942         (get_ref_from_reference_ops): Export.
7943         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7944         vector with single vuse pointer.
7945         (vn_reference_lookup_pieces, vn_reference_lookup,
7946         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7947         (shared_vuses_from_stmt): Remove.
7948         (get_ref_from_reference_ops): Declare.
7949         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7950         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7951         memory-tag related code.
7952         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7953         (likely_value): Add comment, skip static-chain of call statements.
7954         (surely_varying_stmt_p): Adjust.
7955         (gimplify_and_update_call_from_tree): Likewise.
7956         (execute_fold_all_builtins): Do not rebuild alias info.
7957         (gimplify_and_update_call_from_tree): Properly update VOPs.
7958         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7959         (copy_ref_info): Remove memory-tag related code.
7960         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7961         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7962         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7963         computation.
7964         * tree-ssa-dom.c (gimple_p): Remove typedef.
7965         (eliminate_redundant_computations): Adjust.
7966         (record_equivalences_from_stmt): Likewise.
7967         (avail_expr_hash): Likewise.
7968         (avail_expr_eq): Likewise.
7969         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7970         (stmt_makes_single_load): Likewise.
7971         (stmt_makes_single_store): Likewise.
7972         * tree-ssa-alias.c: Rewrite completely.
7973         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7974         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7975         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7976         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7977         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7978         Remove public functions.
7979         (pass_reset_cc_flags): Remove.
7980         (pass_build_alias): Move ...
7981         * tree-ssa-structalias.c (pass_build_alias): ... here.
7982         * tree-ssa-alias.c (may_be_aliased): Move ...
7983         * tree-flow-inline.h (may_be_aliased): ... here.
7984         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7985         count_uses_and_derefs): Move ...
7986         * gimple.c: ... here.
7987         * gimple.h (count_uses_and_derefs): Declare.
7988         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7989         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7990         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7991         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7992         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7993         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7994         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7995         New functions.
7996         * tree-dfa.c (refs_may_alias_p): Move ...
7997         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7998         * tree-ssa-alias.h: New file.
7999         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
8000         (statement_sink_location): Likewise.
8001         * opts.c (decode_options): Do not adjust max-aliased-vops or
8002         avg-aliased-vops values.
8003         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
8004         (TV_CALL_CLOBBER): Likewise.
8005         (TV_FLOW_SENSITIVE): Likewise.
8006         (TV_FLOW_INSENSITIVE): Likewise.
8007         (TV_MEMORY_PARTITIONING): Likewise.
8008         (TV_ALIAS_STMT_WALK): New timevar.
8009         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
8010         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
8011         (get_address_description): Remove memory-tag related code.
8012         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
8013         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
8014         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
8015         and immediate uses in statements.  Document.
8016         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
8017         (dump_symbols): Remove.
8018         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
8019         * alias.c (get_deref_alias_set): New function split out from ...
8020         (get_alias_set): ... here.
8021         * alias.h (get_deref_alias_set): Declare.
8022         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
8023         type parameter.  Remove restrict pointer handling.  Create a
8024         ref-all pointer in case type-based alias sets do not conflict.
8025         (vect_analyze_data_refs): Remove SMT related code.
8026         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
8027         (vectorizable_load): Likewise.
8028         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
8029         (DR_SYMBOL_TAG, DR_VOPS): Remove.
8030         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
8031         Ignore vops and SMTs.
8032         (dr_analyze_alias): Likewise..
8033         (free_data_ref): Likewise.
8034         (create_data_ref): Likewise.
8035         (analyze_all_data_dependences): Likewise.
8036         (get_references_in_stmt): Adjust.
8037         * tree-flow-inline.h (gimple_aliases_computed_p,
8038         gimple_addressable_vars, gimple_call_clobbered_vars,
8039         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
8040         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
8041         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
8042         gimple_mem_ref_stats): Remove.
8043         (gimple_vop): New function.
8044         (op_iter_next_use): Remove vuses and mayuses cases.
8045         (op_iter_next_def): Remove vdefs case.
8046         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
8047         (clear_and_done_ssa_iter): Do not set removed fields.
8048         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
8049         Assert we are not iterating over vuses or vdefs if not also
8050         iterating over uses or defs.
8051         (op_iter_init_use): Likewise.
8052         (op_iter_init_def): Likewise.
8053         (op_iter_next_vdef): Remove.
8054         (op_iter_next_mustdef): Likewise.
8055         (op_iter_init_vdef): Likewise.
8056         (compare_ssa_operands_equal): Likewise.
8057         (link_use_stmts_after): Handle vuse operand.
8058         (is_call_used): Use is_call_clobbered.
8059         (is_call_clobbered): Global variables are always call clobbered,
8060         query the call-clobbers bitmap.
8061         (mark_call_clobbered): Ignore global variables.
8062         (clear_call_clobbered): Likewise.
8063         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
8064         virtual operands sanity check.
8065         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
8066         Remove.
8067         (TARGET_MEM_REF): Remove TMR_TAG operand.
8068         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
8069         Remove call-clobber related code.
8070         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
8071         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
8072         partitions or escape reason.
8073         (get_single_def_stmt, get_single_def_stmt_from_phi,
8074         get_single_def_stmt_with_phi): Remove.
8075         (dump_referenced_vars): Tidy.
8076         (get_ref_base_and_extent): Allow bare decls.
8077         (collect_dfa_stats): Adjust.
8078         * graphite.c (rename_variables_in_stmt): Adjust.
8079         (graphite_copy_stmts_from_block): Likewise.
8080         (translate_clast): Likewise.
8081         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
8082         (EXPR_DIES): New.
8083         (translate_vuse_through_block): Use the oracle.
8084         (phi_translate_1): Adjust.
8085         (value_dies_in_block_x): Use the oracle.  Cache the outcome
8086         in EXPR_DIES.
8087         (valid_in_sets): Check if the VUSE for
8088         a REFERENCE is available.
8089         (eliminate): Do not remove stmts during elimination,
8090         instead queue and remove them afterwards.
8091         (do_pre): Do not rebuild alias info.
8092         (pass_pre): Run TODO_rebuild_alias before PRE.
8093         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
8094         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
8095         (mark_all_v_defs_stmt): Remove.
8096         (mark_all_v_defs_seq): Adjust.
8097         (sra_replace): Likewise.
8098         (scalarize_use): Likewise.
8099         (scalarize_copy): Likewise.
8100         (scalarize_init): Likewise.
8101         (scalarize_ldst): Likewise.
8102         (todoflags): Remove.
8103         (tree_sra): Do not rebuild alias info.
8104         (tree_sra_early): Adjust.
8105         (pass_sra): Run TODO_update_address_taken before SRA.
8106         * tree-predcom.c (set_alias_info): Remove.
8107         (prepare_initializers_chain): Do not call it.
8108         (mark_virtual_ops_for_renaming): Adjust.
8109         (mark_virtual_ops_for_renaming_list): Remove.
8110         (initialize_root_vars): Adjust.
8111         (initialize_root_vars_lm): Likewise.
8112         (prepare_initializers_chain): Likewise.
8113         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
8114         (may_propagate_copy_into_stmt): Likewise.
8115         (merge_alias_info): Do nothing for now.
8116         (propagate_tree_value_into_stmt): Adjust.
8117         (stmt_may_generate_copy): Likewise.
8118         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
8119         not mark symbols for renaming.
8120         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
8121         with the same statement, make sure to update the new pointed-to one.
8122         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
8123         call statements, do not mark symbols for renaming.
8124         (mark_operand_necessary): Dump something.
8125         (ref_may_be_aliased): New function.
8126         (mark_aliased_reaching_defs_necessary_1): New helper function.
8127         (mark_aliased_reaching_defs_necessary): Likewise.
8128         (mark_all_reaching_defs_necessary_1): Likewise.
8129         (mark_all_reaching_defs_necessary): Likewise.
8130         (propagate_necessity): Do not process virtual PHIs.  For
8131         non-aliased loads mark all reaching definitions as necessary.
8132         For aliased loads and stores mark the immediate dominating
8133         aliased clobbers as necessary.
8134         (visited): New global static.
8135         (perform_tree_ssa_dce): Free visited bitmap after propagating
8136         necessity.
8137         (remove_dead_phis): Perform simple dead virtual PHI removal.
8138         (remove_dead_stmt): Properly unlink virtual operands when
8139         removing stores.
8140         (eliminate_unnecessary_stmts): Schedule PHI removal after
8141         stmt removal.
8142         * tree-ssa-ter.c (is_replaceable_p): Adjust.
8143         (process_replaceable): Likewise.
8144         (find_replaceable_in_bb): Likewise.
8145         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
8146         based on the single gimple vop.
8147         (verify_flow_insensitive_alias_info): Remove.
8148         (verify_flow_sensitive_alias_info): Likewise.
8149         (verify_call_clobbering): Likewise.
8150         (verify_memory_partitions): Likewise.
8151         (verify_alias_info): Likewise.
8152         (verify_ssa): Adjust..
8153         (execute_update_addresses_taken): Export.  Update SSA
8154         manually.  Optimize only when optimizing.  Use a local bitmap.
8155         (pass_update_address_taken): Remove TODO_update_ssa, add
8156         TODO_dump_func.
8157         (pass_update_address_taken): Just use TODO_update_address_taken.
8158         (init_tree_ssa): Do not initialize addressable_vars.
8159         (verify_ssa): Verify new VUSE / VDEF properties.
8160         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
8161         Do not call verify_alias_info.
8162         (delete_tree_ssa): Clear the VUSE, VDEF operands.
8163         Do not free the loaded and stored syms bitmaps.  Reset the escaped
8164         and callused solutions.  Do not free addressable_vars.
8165         Remove memory-tag related code.
8166         (warn_uninitialized_var): Aliases are always available.
8167         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
8168         * lambda-code.c (can_put_in_inner_loop): Adjust.
8169         (can_put_after_inner_loop): Likewise.
8170         (perfect_nestify): Likewise.
8171         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
8172         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
8173         (vectorizable_conversion): Do not mark symbols for renaming.
8174         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
8175         (expand_call_inline): Unlink the calls virtual operands before
8176         replacing it.
8177         (tree_function_versioning): Do not call update_ssa if we are not
8178         updating clones.  Simplify.
8179         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
8180         (propagate_with_phi): Likewise..
8181         * tree-outof-ssa.c (create_temp): Remove memory tag and call
8182         clobber code.  Assert we are not aliased or global.
8183         * tree-flow.h: Include tree-ssa-alias.h
8184         (enum escape_type): Remove.
8185         (struct mem_sym_stats_d): Likewise.
8186         (struct mem_ref_stats_d): Likewise.
8187         (struct gimple_df): Add vop member.  Remove global_var,
8188         call_clobbered_vars, call_used_vars, addressable_vars,
8189         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
8190         escaped and callused members.
8191         (struct ptr_info_def): Remove all members, add points-to solution
8192         member pt.
8193         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
8194         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
8195         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
8196         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
8197         (tree-ssa-alias.o): Likewise.
8198         (toplev.o): Add tree-ssa-alias.h
8199         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
8200         * gimple.c (gimple_set_bb): Fix off-by-one error.
8201         (is_gimple_reg): Do not handle memory tags.
8202         (gimple_copy): Also copy virtual operands.
8203         Delay updating the statement.  Do not reset loaded and stored syms.
8204         (gimple_set_stored_syms): Remove.
8205         (gimple_set_loaded_syms): Likewise.
8206         (gimple_call_copy_skip_args): Copy the virtual operands
8207         and mark the new statement modified.
8208         * tree-ssa-structalias.c (may_alias_p): Remove.
8209         (set_uids_in_ptset): Take the alias set to prune with as
8210         parameter.  Fold in the alias test of may_alias_p.
8211         (compute_points_to_sets): Compute whether a ptr is dereferenced
8212         in a local sbitmap.
8213         (process_constraint): Deal with &ANYTHING on the lhs, reject all
8214         other ADDRESSOF constraints on the lhs.
8215         (get_constraint_for_component_ref): Assert that we don't get
8216         ADDRESSOF constraints from the base of the reference.
8217         Properly generate UNKNOWN_OFFSET for DEREF if needed.
8218         (struct variable_info): Remove collapsed_to member.
8219         (get_varinfo_fc): Remove.
8220         (new_var_info): Do not set collapsed_to.
8221         (dump_constraint): Do not follow cycles.
8222         (dump_constraint_graph): Likewise.
8223         (build_pred_graph): Likewise.
8224         (build_succ_graph): Likewise.
8225         (rewrite_constraints): Likewise.
8226         (do_simple_structure_copy): Remove.
8227         (do_rhs_deref_structure_copy): Remove.
8228         (do_lhs_deref_structure_copy): Remove.
8229         (collapse_rest_of_var): Remove.
8230         (do_structure_copy): Re-implement.
8231         (pta_stats): New global variable.
8232         (dump_pta_stats): New function.
8233         (struct constraint_expr): Make offset signed.
8234         (UNKNOWN_OFFSET): Define special value.
8235         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
8236         (solution_set_expand): New helper function split out from ...
8237         (do_sd_constraint): ... here.
8238         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
8239         (do_ds_constraint): Likewise.
8240         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
8241         and CALLUSED = *CALLUSED.
8242         (set_union_with_increment): Make inc argument signed.
8243         (type_safe): Remove.
8244         (get_constraint_for_ptr_offset): Handle unknown and negative
8245         constant offsets.
8246         (first_vi_for_offset): Handle offsets before start.  Bail
8247         out early for offsets beyond the variable extent.
8248         (first_or_preceding_vi_for_offset): New function.
8249         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
8250         Together with ESCAPED = *ESCAPED this properly computes reachability.
8251         (find_what_var_points_to): New function.
8252         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
8253         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
8254         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
8255         pt_solutions_intersect): New functions.
8256         (compute_call_used_vars): Remove.
8257         (compute_may_aliases): New main entry into PTA computation.
8258         * gimple.h (gimple_p): New typedef.
8259         (struct gimple_statement_base): Remove references_memory_p.
8260         (struct gimple_statement_with_memory_ops_base): Remove
8261         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
8262         members.
8263         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
8264         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
8265         gimple_set_references_memory): Remove.
8266         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
8267         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
8268         New functions.
8269         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
8270         (verify_expr): Allow RESULT_DECL.
8271         (gimple_duplicate_bb): Do not copy virtual operands.
8272         (gimple_duplicate_sese_region): Adjust.
8273         (gimple_duplicate_sese_tail): Likewise.
8274         (mark_virtual_ops_in_region): Remove.
8275         (move_sese_region_to_fn): Do not call it.
8276         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
8277         and pass_simple_dse.
8278         (execute_function_todo): Handle TODO_update_address_taken,
8279         call execute_update_addresses_taken for TODO_rebuild_alias.
8280         (execute_todo): Adjust.
8281         (execute_one_pass): Init dump files early.
8282         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
8283         call-clobbered.
8284         (create_general_new_stmt): Clear vops.
8285         * tree-ssa-reassoc.c (get_rank): Adjust.
8286         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
8287         symbols for renaming.
8288         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
8289         (PARAM_AVG_ALIASED_VOPS): Likewise.
8290         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
8291         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
8292         * tree-ssa-operands.c: Simplify for new virtual operand representation.
8293         (operand_build_cmp, copy_virtual_operands,
8294         create_ssa_artificial_load_stmt, add_to_addressable_set,
8295         gimple_add_to_addresses_taken): Remove public functions.
8296         (unlink_stmt_vdef): New function.
8298 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8300         * config.gcc (powerpc-*-linux*): Merge variants.
8302 2009-04-02  Chao-ying Fu  <fu@mips.com>
8303             James Grosbach  <james.grosbach@microchip.com>
8305         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
8306         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
8307         cop0_sp_offset.
8308         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
8309         keep_interrupts_masked_p, use_debug_exception_return_p.
8310         (mips_attribute_table): Add interrupt, use_shadow_register_set,
8311         keep_interrupts_masked, use_debug_exception_return.
8312         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
8313         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
8314         New functions.
8315         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
8316         (mips_print_operand): Process COP0 registers to print $0 .. $31
8317         correctly for GAS to process.
8318         (mips_interrupt_extra_call_saved_reg_p): New function.
8319         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
8320         extra registers.
8321         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
8322         (mips_compute_frame_info): Add supports for interrupt context that
8323         includes doubleword accumulators and COP0 registers.
8324         (mips_for_each_saved_acc): New function.
8325         (mips_for_each_saved_gpr_and_fpr): Change the function name from
8326         mips_for_each_saved_reg.
8327         (mips_save_reg): Save accumulators.
8328         (mips_kernel_reg_p): A new for_each_rtx callback.
8329         (mips_expand_prologue): Support interrupt handlers.
8330         (mips_restore_reg): Restore accumulators.
8331         (mips_expand_epilogue): Support interrupt handlers.
8332         (mips_can_use_return_insn): Return false for interrupt handlers.
8333         (mips_epilogue_uses): New function.
8334         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
8335         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
8336         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
8337         cop0_move): New instructions.
8338         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
8339         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
8340         defines.
8341         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
8342         New defines.
8343         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
8344         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
8345         interrupt handlers, we use K0 as the temporary register.
8346         (EPILOGUE_USES): Change to a function call.
8347         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
8348         handlers, we use K0 as the temporary register.
8350         * doc/extend.texi (Function Attributes): Document interrupt,
8351         use_shadow_register_set, keep_interrupts_masked,
8352         use_debug_exception_return for MIPS attributes.
8354 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8356         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
8357         Remove a number of t-files from tmake_file.
8358         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
8359         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
8360         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
8361         target_prototype, not TARGET_PROTOTYPE.
8362         (LINK_OS_GNU_SPEC): Define.
8363         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
8364         and darwin-ldoubdle.c.
8366 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
8368         PR driver/39293
8369         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
8370         (cpp_options): Ditto.
8371         (default_compilers): Ditto.
8372         (display_help): Ditto.
8373         (process_command): Ditto.
8374         (do_spec_1): Ditto.
8375         (set_input): Use lbasename instead of duplicate code.
8376         (save_temps_prefix): New static for -save-temps=obj.
8377         (save_temps_length): Ditto.
8379         * doc/invoke.texi (-save-temps=obj): Document new variant to
8380         -save-temps switch.
8382 2009-04-02  Jeff Law  <law@redhat.com>
8384         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
8385         variable.
8387 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8389         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
8390         * configure: Regenerated.
8392 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8394         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
8395         share the argument list.
8397 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8399         Merge
8401         2009-02-12  Diego Novillo  <dnovillo@google.com>
8403         * varpool.c (debug_varpool): New.
8404         * cgraph.h (debug_varpool): Declare.
8406 2009-04-02  Jan Hubicka  <jh@suse.cz>
8408         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
8409         pass.
8411 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8413         * config/i386/i386.c (ix86_abi): Move initialization to ...
8414         (override_options): Here.
8416 2009-04-02  Christian Bruel  <christian.bruel@st.com>
8418         * config/sh/sh.c (sh_dwarf_register_span): New function.
8419         (TARGET_DWARF_REGISTER_SPAN): Define.
8420         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
8422 2009-04-02  Ira Rosen  <irar@il.ibm.com>
8424         PR tree-optimization/39595
8425         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
8426         interleaved loads group is not  greater than the SLP group size.
8428 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8430         * builtins.c (is_builtin_name): New.
8431         (called_as_built_in): Use is_builtin_name.
8432         * tree.h (is_builtin_name): New.
8433         * varasm.c (incorporeal_function_p): Use is_builtin_name
8435 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
8437         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
8439 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
8441         PR c++/26693
8442         * c-decl.c (clone_underlying_type): Move this ...
8443         * c-common.c (set_underlying_type): ... here.
8444         Also, make sure the function properly sets TYPE_STUB_DECL() on
8445         the newly created typedef variant type.
8446         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
8447         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
8448         points.
8450 2009-04-02  Richard Guenther  <rguenther@suse.de>
8452         PR tree-optimization/37221
8453         * tree-flow.h (degenerate_phi_result): Declare.
8454         * tree-ssa-dom.c (degenerate_phi_result): Export.
8455         * tree-scalar-evolution.c (analyze_initial_condition): If
8456         the initial condition is defined by a degenerate PHI node
8457         use the degenerate value.
8459 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
8461         PR rtl-optimization/39588
8462         * combine.c (merge_outer_ops): Do not set the constant when this
8463         is not necessary.
8464         (simplify_shift_const_1): Do not modify it either in this case.
8466 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
8468         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
8469         tuning is deprecated if -mtune value is set to an Itanium1 variant.
8471 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
8473         PR c/29027
8474         * c-lex.c (interpret_float): Default (no suffix) is double.
8476 2009-04-1  Xinliang David Li  <davidxl@google.com>
8478         * config/i386/i386.c (legitimate_constant_p): Recognize
8479         all one vector constant.
8481 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8483         * config/vax/vax.c: Add #includes to silence warnings.
8484         Change #include order to silence two warnings.
8486 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8488         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
8489         (ASM_SPEC): Pass -k to the assembler for PIC code.
8491 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8493         * config.gcc: Add vax-*-linux* to the switch.
8494         * config/vax/linux.h: New file. (TARGET_VERSION,
8495         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
8497 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8499         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
8500         Use predicate macros instead of GET_CODE() == foo.
8501         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
8502         ashlsi3, rotrsi3, <unnamed>): Likewise.
8504 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8506         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
8507         jbbccihi, jbbccisi): Remova trailing whitespace.
8508         * config/vax/constraints.md: Likewise.
8509         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8510         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
8511         * config/vax/predicates.md: Likewise.
8512         * config/vax/vax.c (print_operand_address, vax_output_int_move,
8513         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
8514         * config/vax/vax.h: Likewise.
8515         * config/vax/vax.md (nonlocal_goto): Likewise.
8517 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8519         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
8520         (indirectable_address_p, adjacent_operands_p): Add spaces around
8521         braces.
8522         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
8524 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8526         * config/vax/vax.c (legitimate_constant_address_p,
8527         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
8528         index_term_p, reg_plus_index_p, legitimate_address_p,
8529         vax_mode_dependent_address_p): Update comments to match functions
8530         modified by the recent int->bool conversion.
8532 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8534         * config/vax/builtins.md: Update copyright message.
8535         * config/vax/constraints.md: Likewise.
8536         * config/vax/netbsd-elf.h: Likewise.
8537         * config/vax/predicates.md: Likewise.
8538         * config/vax/vax-protos.h: Likewise.
8539         * config/vax/vax.c: Likewise.
8540         * config/vax/vax.h: Likewise.
8541         * config/vax/vax.md: Likewise.
8542         * config/vax/vax.opt: Likewise.
8544 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8546         * config/vax/builtins.md (ffssi2, ffssi2_internal,
8547         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
8548         * config/vax/constraints.md (B, R): Likewise.
8549         * config/vax/predicates.md (external_memory_operand,
8550         nonimmediate_addsub_di_operand): Likewise.
8551         * config/vax/vax.c (vax_output_int_add): Likewise.
8552         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
8553         untyped_call): Likewise.
8555 2009-04-01  Matt Thomas  <matt@3am-software.com>
8557         * config/vax/predicates.md: New file.
8558         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
8559         external_const_operand, nonsymbolic_operand, external_memory_operand,
8560         indirect_memory_operand, indexed_memory_operand,
8561         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
8562         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
8563         predicate.
8564         * config/vax/constraints.md: New file.
8565         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
8566         New constraint.
8567         * config/vax/builtins.md: New file.
8568         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
8569         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
8570         jbbccisi): Define.
8571         * config/vax/vax.opt (mqmath): Add option.
8572         * config/vax/vax.md (isfx): Extend with DI.
8573         (VAXintQH, VAXintQHSD): Define.
8574         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
8575         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
8576         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
8577         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
8578         (movdi): Update constraints and use vax_output_int_move().
8579         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
8580         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
8581         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
8582         nonlocal_goto): New.
8583         (mov<mode>): Extend accepted operand types.
8584         (subdi3_old): Rename from subdi3, change update constraints and use
8585         a new implementation.
8586         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
8587         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
8588         MOVE_RATIO, CLEAR_RATIO): Define.
8589         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
8590         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8591         (PRINT_OPERAND): Redefine using a function instead of inlined code.
8592         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
8593         (split_quadword_operands): Make static and really allow variable
8594         splitting.
8595         (print_operand_address): Update for PIC generation.
8596         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
8597         indexable_address_p, fixup_mathdi_operand,
8598         vax_expand_addsub_di_operands, adjacent_operands_p): New.
8599         (vax_float_literal, legitimate_constant_p,
8600         indirectable_constant_address_p, index_term_p,
8601         reg_plus_index_p): Return bool instead of int.
8602         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
8603         where needed.
8604         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
8605         generation.
8606         (vax_output_conditional_branch): Indent.
8607         (legitimate_constant_address_p, indirectable_constant_address_p,
8608         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
8609         vax_mode_dependent_address_p): Return bool instead of int, update for
8610         PIC generation.
8611         * config/vax/vax-protos.h (legitimate_constant_address_p,
8612         legitimate_constant_p, legitimate_address_p,
8613         vax_mode_dependent_address_p): Change declaration to bool.
8614         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
8615         vax_expand_addsub_di_operands, vax_output_int_subtract,
8616         vax_output_movmemsi): Declare.
8617         (split_quadword_operands, vax_float_literal): Delete declaration.
8618         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
8619         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
8620         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
8621         ASM_OUTPUT_DWARF_PCREL): Define.
8622         (ASM_SPEC): Change definition to allow PIC generation.
8624 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
8626         * doc/sourcebuild.texi: Update front-end requirements.
8628 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8630         PR target/39226
8631         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
8632         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
8633         (booldi3_internal3): Use boolean_or_operator instead of
8634         boolean_operator.
8636 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
8638         PR c/39605
8639         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
8640         declarator whose size is not an integer constant expression but
8641         folds to an integer constant, then treat it as a constant
8642         subsequently.
8644 2009-04-01  Richard Guenther  <rguenther@suse.de>
8646         * fold-const.c (fold_plusminus_mult_expr): Do not fold
8647         i * 4 + 2 to (i * 2 + 1) * 2.
8649 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8651         PR c/37772
8652         * c-parser.c (c_parser_asm_statement): Skip until close paren and
8653         return if c_parser_asm_string_literal returned NULL.
8655 2009-04-01  Nick Clifton  <nickc@redhat.com>
8657         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
8658         already defined.
8659         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
8660         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
8661         other typedefs to avoid conflicts with libgcc2.c.  Define labels
8662         to gain 16-bit bit-manipulation functions from libgcc2.c and then
8663         include it.
8664         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
8665         to gain 16-bit trapping arithmetic functions from libgcc2.c and
8666         then include it.
8668 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
8670         * varasm.c (default_function_rodata_section): Declare DOT as
8671         const char*.
8673 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
8674             Andrey Galkin  <agalkin@hypercom.com>
8676         PR/39492
8677         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
8678         Make object_name unique for each process.
8680 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8682         PR other/39591
8683         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
8684         addressable variables in the parallel that could go out of scope while
8685         running queued tasks.
8687 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
8689         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
8690         (CASE_VALUES_THRESHOLD): Redefine.
8691         * config/avr/avr.c (avr_override_options): Remove initialization of
8692         avr_case_values_threshold variable.
8693         (avr_case_values_threshold): Remove variable. Add new function.
8694         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
8695         * config/avr/avr.opt (mno-tablejump): Remove option.
8696         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
8698 2009-04-01  DJ Delorie  <dj@redhat.com>
8700         * varasm.c (default_function_rodata_section): Don't assume
8701         anything about where the first '.' in the section name is.
8703 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
8705         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
8706         rs6000_emit_stack_tie.
8708 2009-03-31  Ian Lance Taylor  <iant@google.com>
8710         * tree-eh.c (tree_remove_unreachable_handlers): Compare
8711         gimple_code with GIMPLE_RESX, not RESX.
8713 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8715         * c-common.c (c_get_ident): New.
8716         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
8718 2009-04-01  Ben Elliston  <bje@au.ibm.com>
8720         * config/rs6000/sysv4.opt (msdata): Improve option description.
8722 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
8724         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
8725         (divdf3_internal_lat): Remove.
8726         (divxf3_internal_lat): Remove.
8727         (divxf3_internal_thr): Remove.
8728         (divxf): Use divxf3_internal.
8729         * config/ia64/div.md (divsf3_internal_lat): New.
8730         (divdf3_internal_lat): New.
8731         (divxf3_internal): New.
8733 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8735         PR c/448
8736         * Makefile.in (USE_GCC_STDINT): Define.
8737         (stmp-int-hdrs): Install stdint.h if applicable.
8738         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8739         if known.
8740         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
8741         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
8742         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8743         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8744         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8745         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8746         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8747         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8748         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8749         (c_common_nodes_and_builtins): Initialize
8750         underlying_wchar_type_node.  Do not initialize
8751         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
8752         nodes for new types.
8753         (c_stddef_cpp_builtins): Define macros for new types.
8754         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
8755         Remove.
8756         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
8757         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
8758         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
8759         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
8760         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
8761         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
8762         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
8763         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
8764         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
8765         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
8766         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
8767         int16_type_node, int32_type_node, int64_type_node,
8768         uint8_type_node, uint16_type_node, c_uint32_type_node,
8769         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8770         int_least32_type_node, int_least64_type_node,
8771         uint_least8_type_node, uint_least16_type_node,
8772         uint_least32_type_node, uint_least64_type_node,
8773         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8774         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8775         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8776         uintptr_type_node): Define.
8777         * c-cppbuiltin.c (builtin_define_constants,
8778         builtin_define_type_minmax): New.
8779         (builtin_define_stdint_macros): Define more macros.
8780         (c_cpp_builtins): Define more limit macros.
8781         (type_suffix): New.
8782         (builtin_define_type_max): Define in terms of
8783         builtin_define_type_minmax.  Remove is_long parameter.  All
8784         callers changed.
8785         * config.gcc (use_gcc_stdint): Define.
8786         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8787         Add newlib-stdint.h for generic targets.
8788         * config/glibc-stdint.h, config/newlib-stdint.h,
8789         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8790         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8791         * config/score/score.h (UINTPTR_TYPE): Define.
8792         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8793         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8794         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8795         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8796         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8797         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8798         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8799         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8800         * config/spu/spu.h (STDINT_LONG32): Define.
8801         * configure.ac (use_gcc_stdint): Substitute.
8802         * configure: Regenerate.
8803         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8804         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8805         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8806         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8807         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8808         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8809         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8810         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8811         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8812         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8813         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8814         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8815         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8816         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8817         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8818         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8819         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8820         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8821         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8822         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8823         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8824         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8825         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8826         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8827         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8828         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8829         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8830         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8831         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8833 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8835         * loop-iv.c (suitable_set_for_replacement): Renamed from
8836         simplify_using_assignment; changed to return bool and to accept new
8837         args DEST and SRC.  Return true iff we find a source/destination pair
8838         that can be used to make a replacement, and fill SRC and DEST if so.
8839         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8840         changed.
8841         (simplify_using_initial_values): Deal with altered regs here and track
8842         more precisely the effect they have on the validity of our expression.
8844         * loop-iv.c (simplify_using_condition): A condition of the form
8845         (EQ REG CONST) can be used to simply make a substitution.
8846         (simplify_using_initial_values): Keep track of conditions we have seen
8847         and keep using them to simplify new expressions, while applying the
8848         same substitutions to them as to the expression.
8850         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8851         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8852         GEU/LTU reversed.
8854         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8855         changed.  Use this when trying to improve the upper bound.
8856         Generate the comparison by using simplify_gen_relational.
8858         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8860         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8861         functions.
8862         (simplify_using_assignment, simplify_using_initial_values): Call
8863         replace_in_expr to make replacements.  Call replace_single_def_regs
8864         once on the initial version of the expression.
8866 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8868         PR target/27237
8869         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8871 2009-03-31  Richard Guenther  <rguenther@suse.de>
8873         PR middle-end/31029
8874         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8875         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8877 2009-03-31  Richard Guenther  <rguenther@suse.de>
8879         * tree.h (div_if_zero_remainder): Declare.
8880         * fold-const.c (div_if_zero_remainder): Export.
8881         * tree-ssa-forwprop.c
8882         (forward_propagate_addr_into_variable_array_index): Handle
8883         constant array index addition outside of the variable index.
8885 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8887         PR target/39592
8888         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8889         define_splits, floatunssi<mode>2): Require x87 conversions from
8890         DImode to be permitted.
8892 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8894         PR preprocessor/15638
8895         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8897 2009-03-31  Richard Guenther  <rguenther@suse.de>
8899         PR middle-end/23401
8900         PR middle-end/27810
8901         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8902         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8903         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8904         a separate statement.
8905         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8906         (lookup_tmp_var): Likewise.
8907         (is_gimple_formal_tmp_or_call_rhs): Remove.
8908         (is_gimple_reg_or_call_rhs): Rename to ...
8909         (is_gimple_reg_rhs_or_call): ... this.
8910         (is_gimple_mem_or_call_rhs): Rename to ...
8911         (is_gimple_mem_rhs_or_call): ... this.
8912         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8913         DECL_GIMPLE_REG_P only if is_formal is true.
8914         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8915         for non-proper post-modify expression gimplification.
8916         (gimplify_self_mod_expr): For post-modify expressions gimplify
8917         the lvalue to a minimal lvalue.
8918         (rhs_predicate_for): Remove formal temp case.
8919         (gimplify_modify_expr_rhs): Likewise.
8920         (gimplify_addr_expr): Use is_gimple_reg.
8921         (gimplify_expr): Remove formal temp cases.
8922         (gimple_regimplify_operands): Likewise.
8923         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8924         and FILTER_EXPR like constants.
8925         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8926         is_gimple_reg.
8927         (is_gimple_formal_tmp_rhs): Remove.
8928         (is_gimple_reg_rhs): Remove special casing.
8929         (is_gimple_mem_rhs): Fix.
8930         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8931         (is_gimple_formal_tmp_var): Remove.
8932         (is_gimple_formal_tmp_reg): Likewise.
8933         (is_gimple_min_lval): Allow invariant component ref parts.
8934         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8935         is_gimple_formal_tmp_reg): Remove declarations.
8936         * tree-cfg.c (verify_expr): Verify that variables with address
8937         taken do not have DECL_GIMPLE_REG_P set.
8938         * tree-mudflap.c (mf_build_check_statement_for): Use
8939         force_gimple_operand instead of gimplify_expr.
8941 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8943         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8944         schedulable rows to compute_split_row.
8946 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8948         PR target/31635
8949         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8950         OPT_mvrsave.
8952 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8954         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8955         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8956         * configure: Regenerate.
8957         * config.in: Regenerate.
8958         * config/rs6000/rs6000.opt (mtls-markers): Add.
8959         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8960         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8961         (tls_ld_aix, tls_ld_sysv): Likewise.
8962         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8963         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8965 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8967         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8969 2009-03-30  Jan Hubicka  <jh@suse.cz>
8971         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8972         out of RESX.
8973         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8974         detection and label handling.
8976 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8978         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8979         left_conflicts_size.
8980         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8981         ALLOCNO_LEFT_CONFLICTS_SIZE.
8983         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8984         remove_allocno_from_bucket_and_push,
8985         allocno_spill_priority_compare, push_allocnos_to_stack,
8986         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8987         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8988         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8989         setup_allocno_left_conflicts_size.
8990         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8991         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8992         setup_allocno_left_conflicts_size instead of
8993         setup_allocno_left_conflicts_num.
8995         * ira-build.c (ira_create_allocno): Use
8996         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8997         ALLOCNO_LEFT_CONFLICTS_NUM.
8999 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9001         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
9002         instead of DF_LR_OUT.
9004         * ira-lives.c (process_bb_node_lives): Ditto.
9006         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
9007         instead of DF_LR_{OUT,IN}.
9009         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
9011         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
9013 2009-03-30  Jan Hubicka  <jh@suse.cz>
9015         * except.c (label_to_region_map): Fix thinko.
9017 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
9019         PR middle-end/38237
9020         * tree.h (tree_find_value): New declaration.
9021         * tree.c (tree_find_value): New function.
9022         * varasm.c (assemble_external): Avoid duplicate entries on lists.
9024 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
9026         PR debug/39563
9027         * c-decl.c (struct c_binding): Add locus field.
9028         (bind): Add locus argument, set locus field from it.
9029         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
9030         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
9031         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
9032         implicitly_declare, undeclared_variable, lookup_label,
9033         declare_label, c_make_fname_decl, c_builtin_function,
9034         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
9035         bind callers.
9037 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9039         PR target/38781
9040         * config/i386/i386.c (classify_argument): Check total size of
9041         structure.
9043 2009-03-30  Martin Jambor  <mjambor@suse.cz>
9045         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
9046         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
9047         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
9048         respectively.
9050         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
9051         seen_variable_array_ref while also traversing a union.
9053         * tree-inline.c (optimize_inline_calls): Do not call
9054         cgraph_node_remove_callees.
9055         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
9056         (pass_remove_cgraph_callee_edges): New variable.
9057         * passes.c (init_optimization_passes): Add
9058         pass_remove_cgraph_callee_edges after early inlining and before all
9059         late intraprocedural passes.
9061         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
9063 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9065         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
9066         Fix typos in names.
9068 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9070         * combine.c (simplify_comparison): Use have_insn_for.
9071         * dojump.c (do_jump): Likewise.
9073 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9075         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
9076         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
9077         sparc_compare_op0 like sparc_compare_emitted used to be handled.
9078         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
9079         instead of sparc_compare_emitted.
9080         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
9081         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
9082         instead of sparc_compare_emitted.
9084 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9086         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
9087         enter/exit cfglayout mode.
9088         (pass_partition_block): Require it.
9089         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
9090         (combine_instructions): Track basic blocks instead of labels.
9091         (update_cfg_for_uncondjump): New.
9092         (try_combine): Use it.  Update jumps after rescanning.
9093         (pass_combine): Require PROP_cfglayout.
9094         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
9096 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9098         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
9099         Provide/destroy PROP_cfglayout respectively.
9100         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
9101         * tree-pass.h (PROP_cfglayout): New.
9103 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
9105         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
9106         fold_convert_const_fixed_from_fixed,
9107         fold_convert_const_fixed_from_int,
9108         fold_convert_const_fixed_from_real, fold_negate_const): Do not
9109         set TREE_CONSTANT_OVERFLOW.
9110         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
9111         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
9113 2009-03-30  Ira Rosen  <irar@il.ibm.com>
9115         * tree-vect-loop-manip.c: New file.
9116         * tree-vectorizer.c: Update documentation and included files.
9117         (vect_loop_location): Make extern.
9118         (rename_use_op): Move to tree-vect-loop-manip.c
9119         (rename_variables_in_bb, rename_variables_in_loop,
9120         slpeel_update_phis_for_duplicate_loop,
9121         slpeel_update_phi_nodes_for_guard1,
9122         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
9123         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
9124         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
9125         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
9126         find_loop_location): Likewise.
9127         (new_stmt_vec_info): Move to tree-vect-stmts.c.
9128         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
9129         get_vectype_for_scalar_type, vect_is_simple_use,
9130         supportable_widening_operation, supportable_narrowing_operation):
9131         Likewise.
9132         (bb_in_loop_p): Move to tree-vect-loop.c.
9133         (new_loop_vec_info, destroy_loop_vec_info,
9134         reduction_code_for_scalar_code, report_vect_op,
9135         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
9136         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
9137         (vect_supportable_dr_alignment): Likewise.
9138         * tree-vectorizer.h (tree-data-ref.h): Include.
9139         (vect_loop_location): Declare.
9140         Reorganize function declarations according to the new file structure.
9141         * tree-vect-loop.c: New file.
9142         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
9143         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
9144         * tree-vect-data-refs.c: New file.
9145         * tree-vect-patterns.c (timevar.h): Don't include.
9146         * tree-vect-stmts.c: New file.
9147         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
9148         tree-vect-slp.c, tree-vect-loop.c.
9149         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
9150         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
9151         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
9152         (tree-vect-analyze.o): Remove.
9153         (tree-vect-transform.o): Likewise.
9154         (tree-vect-data-refs.o): Add rule.
9155         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
9156         tree-vect-slp.o): Likewise.
9157         (tree-vect-patterns.o): Remove redundant dependencies.
9158         (tree-vectorizer.o): Likewise.
9159         * tree-vect-slp.c: New file.
9161 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9163         * optc-gen.awk: Warn if an option flag has multiple different
9164         help strings.
9166 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
9168         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
9169         -floop-block): Document dependences on PPL, CLooG and Graphite.
9171 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9173         PR rtl-optimization/323
9174         * c-common.c (c_fully_fold, convert_and_check,
9175         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
9176         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
9177         * c-common.def (EXCESS_PRECISION_EXPR): New.
9178         * c-cppbuiltin.c (builtin_define_float_constants): Define
9179         constants with enough digits for long double.
9180         * c-lex.c (interpret_float): Interpret constant with excess
9181         precision where appropriate.
9182         * c-opts.c (c_common_post_options): Set
9183         flag_excess_precision_cmdline.  Give an error for
9184         -fexcess-precision=standard for C++ for processors where the
9185         option is significant.
9186         * c-parser.c (c_parser_conditional_expression): Handle excess
9187         precision in condition.
9188         * c-typeck.c (convert_arguments): Handle arguments with excess
9189         precision.
9190         (build_unary_op): Move excess precision outside operation.
9191         (build_conditional_expr): Likewise.
9192         (build_compound_expr): Likewise.
9193         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
9194         (build_modify_expr): Handle excess precision in RHS.
9195         (convert_for_assignment): Handle excess precision in converted
9196         value.
9197         (digest_init, output_init_element, process_init_element): Handle
9198         excess precision in initializer.
9199         (c_finish_return): Handle excess precision in return value.
9200         (build_binary_op): Handle excess precision in operands and add
9201         excess precision as needed for operation.
9202         * common.opt (-fexcess-precision=): New option.
9203         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
9204         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
9205         For standard excess precision, output explicit conversion to and
9206         truncation from XFmode.
9207         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
9208         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
9209         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
9210         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
9211         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
9212         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
9213         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
9214         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
9215         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
9216         define_splits, sqrt<mode>2): Disable where appropriate for
9217         standard excess precision.
9218         * convert.c (convert_to_real): Do not shorten arithmetic to type
9219         for which excess precision would be used.
9220         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
9221         * doc/invoke.texi (-fexcess-precision=): Document option.
9222         (-mfpmath=): Correct index entry.
9223         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
9224         flag_excess_precision): New.
9225         * langhooks.c (lhd_post_options): Set
9226         flag_excess_precision_cmdline.
9227         * opts.c (common_handle_option): Handle -fexcess-precision=.
9228         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
9229         init_excess_precision): New.
9230         (lang_dependent_init_target): Call init_excess_precision.
9231         * tree.c (excess_precision_type): New.
9232         * tree.h (excess_precision_type): Declare.
9234 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
9236         PR c/35235
9237         * c-typeck.c (build_component_ref): Do not copy qualifiers from
9238         non-lvalue to component.
9240 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9242         PR preprocessor/34695
9243         * Makefile.in (c-opts.o): Depend on c-tree.h.
9244         * c-common.c: Move down include of diagnostic.h.
9245         (done_lexing, c_cpp_error): New.
9246         * c-common.h (done_lexing): Declare.
9247         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
9248         (parse_in).
9249         * c-opts.c: Include c-tree.h.
9250         (c_common_init_options): Set preprocessor error callback.
9251         (c_common_handle_option): Do not set preprocessor
9252         inhibit_warnings, warnings_are_errors, warn_system_headers,
9253         pedantic_errors or inhibit_warnings flags.
9254         (c_common_post_options): Do not check cpp_errors (parse_in).
9255         (c_common_finish): Do not output dependencies if there were
9256         errors.  Do not check return value of cpp_finish.
9257         * c-ppoutput.c (pp_file_change): Set input_location.
9258         * c-tree.h (c_cpp_error): Declare.
9259         * diagnostic.c (diagnostic_set_info_translated): Also initialize
9260         override_column.
9261         (diagnostic_build_prefix): Check override_column.
9262         * diagnostic.h (diagnostic_info): Add override_column field.
9263         (diagnostic_override_column): Define.
9265 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
9267         * c-common.c (c_expand_expr, c_staticp): Remove.
9268         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
9269         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
9270         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
9271         * c-gimplify.c (gimplify_compound_literal_expr,
9272         optimize_compound_literals_in_ctor): Remove.
9273         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
9274         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
9275         * c-semantics.c (emit_local_var): Remove.
9277         * langhooks-def.h (lhd_expand_expr): Remove.
9278         * langhooks.c (lhd_expand_expr): Remove.
9279         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
9281         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
9282         handling from c-semantics.c; don't call into langhook.
9283         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
9284         * gimplify.c (gimplify_compound_literal_expr,
9285         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
9286         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
9287         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
9288         as was done in c-gimplify.c.
9289         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
9290         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
9291         Move from c-common.h.
9292         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
9294         * tree.c (staticp): Do not call langhook.
9295         * langhooks.c (lhd_staticp): Delete.
9296         * langhooks-def.h (lhd_staticp): Delete prototype.
9297         (LANG_HOOKS_STATICP): Delete.
9298         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
9300         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
9301         instead of DECL_STMTs.
9303 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9305         PR c/456
9306         PR c/5675
9307         PR c/19976
9308         PR c/29116
9309         PR c/31871
9310         PR c/35198
9311         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
9312         void_type_node.
9313         (fold_call_expr): Return a NOP_EXPR from folding rather than the
9314         contained expression.
9315         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
9316         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
9317         conditional expressions for C.
9318         (decl_constant_value_for_optimization): Move from
9319         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
9320         whether optimizing and that the expression is a VAR_DECL not of
9321         array type instead of doing such checks in the caller.  Do not
9322         check pedantic.  Call gcc_unreachable for C++.
9323         * c-common.def (C_MAYBE_CONST_EXPR): New.
9324         * c-common.h (c_fully_fold, c_save_expr,
9325         decl_constant_value_for_optimization): New prototypes.
9326         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
9327         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
9328         EXPR_INT_CONST_OPERANDS): Define.
9329         * c-convert.c (convert): Strip nops from expression.
9330         * c-decl.c (groktypename): Take extra parameters expr and
9331         expr_const_operands.  Update call to grokdeclarator.
9332         (start_decl): Update call to grokdeclarator.  Add statement for
9333         expressions used in type of decl.
9334         (grokparm): Update call to grokdeclarator.
9335         (push_parm_decl): Update call to grokdeclarator.
9336         (build_compound_literal): Add parameter non_const and build a
9337         C_MAYBE_COSNT_EXPR if applicable.
9338         (grokdeclarator): Take extra parameters expr and
9339         expr_const_operands.  Track expressions used in declaration
9340         specifiers and declarators.  Fold array sizes and track whether
9341         they are constant expressions and whether they are integer
9342         constant expressions.
9343         (parser_xref_tag): Set expr and expr_const_operands fields in
9344         return value.
9345         (grokfield): Update call to grokdeclarator.
9346         (start_function): Update call to grokdeclarator.
9347         (build_null_declspecs): Set expr and expr_const_operands fields in
9348         return value.
9349         (declspecs_add_type): Handle expressions in typeof specifiers.
9350         * c-parser.c (c_parser_declspecs): Set expr and
9351         expr_const_operands fields for declaration specifiers.
9352         (c_parser_enum_specifier): Likewise.
9353         (c_parser_struct_or_union_specifier): Likewise.
9354         (c_parser_typeof_specifier): Likewise.  Update call to
9355         groktypename.  Fold expression as needed.  Return expressions with
9356         type instead of adding statements.
9357         (c_parser_attributes): Update calls to c_parser_expr_list.
9358         (c_parser_statement_after_labels): Fold expression before passing
9359         to objc_build_throw_stmt.
9360         (c_parser_condition): Fold expression.
9361         (c_parser_asm_operands): Fold expression.
9362         (c_parser_conditional_expression): Use c_save_expr.  Update call
9363         to build_conditional_expr.
9364         (c_parser_alignof_expression): Update call to groktypename.
9365         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
9366         original_code.  Fold expression argument of va_arg.  Create
9367         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
9368         argument to va_arg.  Update calls to groktypename.  Fold array
9369         index for offsetof.  Verify that first argument to
9370         __builtin_choose_expr has integer type.
9371         (c_parser_postfix_expression_after_paren_type): Update calls to
9372         groktypename and build_compound_literal.  Handle expressions with
9373         side effects in type name.
9374         (c_parser_postfix_expression_after_primary): Update call to
9375         c_parser_expr_list.  Set original_code for calls to
9376         __builtin_constant_p.
9377         (c_parser_expr_list): Take extra parameter fold_p.  Fold
9378         expressions if requested.
9379         (c_parser_objc_type_name): Update call to groktypename.
9380         (c_parser_objc_synchronized_statement): Fold expression.
9381         (c_parser_objc_receiver): Fold expression.
9382         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
9383         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
9384         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
9385         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
9386         (struct c_typespec): Add elements expr and expr_const_operands.
9387         (struct c_declspecs): Add elements expr and expr_const_operands.
9388         (groktypename, build_conditional_expr, build_compound_literal):
9389         Update prototypes.
9390         (in_late_binary_op): Declare.
9391         * c-typeck.c (note_integer_operands): New function.
9392         (in_late_binary_op): New variable.
9393         (decl_constant_value_for_broken_optimization): Move to c-common.c
9394         and rename to decl_constant_value_for_optimization.
9395         (default_function_array_conversion): Do not strip nops.
9396         (default_conversion): Do not call
9397         decl_constant_value_for_broken_optimization.
9398         (build_array_ref): Do not fold result.
9399         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
9400         result when operand is a VLA.
9401         (c_expr_sizeof_type): Update call to groktypename.  Handle
9402         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
9403         result when operand names a VLA type.
9404         (build_function_call): Update call to build_compound_literal.
9405         Only fold result for calls to __builtin_* functions.  Strip
9406         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
9407         the function designator.
9408         (convert_arguments): Fold arguments.  Update call to
9409         convert_for_assignment.
9410         (build_unary_op): Handle increment and decrement of
9411         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
9412         decrement earlier.  Fold operand of increment and decrement.
9413         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
9414         built for integer operand.  Wrap returns that are INTEGER_CSTs
9415         without being integer constant expressions or that have integer
9416         constant operands without being INTEGER_CSTs.
9417         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
9418         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
9419         result is an integer constant expression or can be used in
9420         unevaluated parts of one and avoid folding and wrap as
9421         appropriate.  Fold operands before possibly doing -Wsign-compare
9422         warnings.
9423         (build_compound_expr): Wrap result for C99 if operands can be used
9424         in integer constant expressions.
9425         (build_c_cast): Update call to digest_init.  Do not ignore
9426         overflow from casting floating-point constants to integers.  Wrap
9427         results that could be confused with integer constant expressions,
9428         null pointer constants or floating-point constants.
9429         (c_cast_expr): Update call to groktypename.  Handle expressions
9430         included in type name.
9431         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
9432         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
9433         Update calls to convert_for_assignment.
9434         (convert_for_assignment): Take new parameter
9435         null_pointer_constant.  Do not strip nops or call
9436         decl_constant_value_for_broken_optimization.  Set
9437         in_late_binary_op for conversions to boolean.
9438         (store_init_value): Update call to digest_init.
9439         (digest_init): Take new parameter null_pointer_constant.  Do not
9440         call decl_constant_value_for_broken_optimization.  pedwarn for
9441         initializers not constant expressions.  Update calls to
9442         convert_for_assignment.
9443         (constructor_nonconst): New.
9444         (struct constructor_stack): Add nonconst element.
9445         (really_start_incremental_init, push_init_level, pop_init_level):
9446         Handle constructor_nonconst and nonconst element.
9447         (set_init_index): Call constant_expression_warning for array
9448         designators.
9449         (output_init_element): Fold value.  Set constructor_nonconst as
9450         applicable.  pedwarn for initializers not constant expressions.
9451         Update call to digest_init.  Call constant_expression_warning
9452         where constant initializers are required.
9453         (process_init_element): Use c_save_expr.
9454         (c_finish_goto_ptr): Fold expression.
9455         (c_finish_return): Fold return value.  Update call to
9456         convert_for_assignment.
9457         (c_start_case): Fold switch expression.
9458         (c_process_expr_stmt): Fold expression.
9459         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
9460         ensure statement expression is not evaluated in constant expression.
9461         (build_binary_op): Track whether results are integer constant
9462         expressions or may occur in such, disable folding and wrap results
9463         as applicable.  Fold operands for -Wsign-compare warnings unless
9464         in_late_binary_op.
9465         (c_objc_common_truthvalue_conversion): Handle results folded to
9466         integer constants that are not integer constant expressions.
9467         * doc/extend.texi: Document when typeof operands are evaluated,
9468         that condition of __builtin_choose_expr is an integer constant
9469         expression, and more about use of __builtin_constant_p in
9470         initializers.
9472 2009-03-29  Richard Guenther  <rguenther@suse.de>
9474         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
9475         propagate addresses of array references.
9477 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
9479         * regmove.c (perhaps_ends_bb_p): Remove.
9480         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
9481         from INSN and check that the main loop stays within that basic block.
9482         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
9483         (regmove_forward_pass): Split out from regmove_optimize.  Use
9484         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9485         (regmove_backward_pass): Split out from regmove_optimize.  Use
9486         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
9487         (regmove_optimize): Simplify.
9489 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9491         PR target/39545
9492         * config/i386/i386.c (classify_argument): Ignore flexible array
9493         member in struct and warn ABI change.
9495 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9497         * config/i386/i386-protos.h (ix86_agi_dependent): New.
9499         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
9500         (ix86_adjust_cost): Updated.
9502 2009-03-29  Jan Hubicka  <jh@suse.cz>
9504         PR middle-end/28850
9505         * tree-pass.h (pass_cleanup_eh): New function.
9506         (remove_unreachable_regions): Break code handling RTL
9507         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
9508         that can not be reached by runtime.
9509         (can_be_reached_by_runtime): New function.
9510         (label_to_region_map): New function.
9511         (num_eh_regions): New function.
9512         (rtl_remove_unreachable_regions): New function.
9513         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
9514         (remove_eh_region): New function.
9515         * except.h: Include sbitmap and vecprim.
9516         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
9517         num_eh_regions): Declare.
9518         * passes.c (init_optimization_passes): Schedule cleanup_eh.
9519         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
9520         * tree-eh.c (tree_remove_unreachable_handlers): New function.
9521         (tree_empty_eh_handler_p): New function.
9522         (cleanup_empty_eh): New function.
9523         (cleanup_eh): New function.
9524         (pass_cleanup_eh): New function.
9526 2009-03-29  Jan Hubicka  <jh@suse.cz>
9528         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
9529         for removed regions.
9531 2009-03-29  Jan Hubicka  <jh@suse.cz>
9533         * except.c (dump_eh_tree): Dump all datastructures.
9535 2009-03-29  Jan Hubicka  <jh@suse.cz>
9537         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
9538         (duplicate_eh_regions_1): Likewise.
9539         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
9540         vector; call EH verification.
9541         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9542         Be ready for region being removed.
9544 2009-03-29  Jan Hubicka  <jh@suse.cz>
9546         * bitmap.c (bitmap_last_set_bit): New function.
9547         * bitmap.h (bitmap_last_set_bit): Declare.
9549 2009-03-29  David Ayers  <ayers@fsfe.org>
9551         PR objc/27377
9552         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
9553         by calling objc_compare_types and surpress warnings about
9554         incompatible C pointers that are compatible ObjC pointers.
9556 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
9558         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
9559         call initialize_inline_failed.
9560         (initialize_inline_failed): Move it from here ...
9561         * cgraph.c (initialize_inline_failed): ... to here.
9562         (cgraph_create_edge): Call initialize_inline_failed rather than
9563         setting inline_failed directly.
9565 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9567         PR target/32542
9568         * sysv4.opt (msdata): Improve comment.
9569         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
9570         * sysv4.h (SVR4_ASM_SPEC): Likewise.
9572 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9574         PR target/30451
9575         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
9576         load and store attributes.
9578 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9580         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
9581         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
9582         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
9583         * doc/extend.texi (X86 Built-in Functions): Add index entries for
9584         __builtin_infq and __builtin_huge_valq.
9586 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
9588         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
9589         atmega8m1 devices.
9590         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9591         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
9593 2009-03-28  Xinliang David Li  <davidxl@google.com>
9595         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
9596         (do_dbg_cnt): New function.
9598 2009-03-28  Jan Hubicka  <jh@suse.cz>
9600         Merge from pretty-ipa:
9602         2009-03-27  Jan Hubicka  <jh@suse.cz>
9604         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9605         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
9606         * passes.c (function_called_by_processed_nodes_p): New.
9607         * ipa-pure-const.c (check_call): Fix handling of operands.
9608         (analyze_function): Dump debug output for skipped bodies.
9609         (local_pure_const): Use function_called_by_processed_nodes_p.
9610         * dwarf2out.c (reference_to_unused): Use output.
9611         * passes.c (do_per_function_toporder): Likewise.
9613         2008-11-12  Jan Hubicka  <jh@suse.cz>
9615         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
9616         * ipa-pure-const.c (funct_state_d): Add can throw field; make
9617         state_set_in_source enum
9618         (check_decl): Ignore memory tags; do not set fake looping flags;
9619         dump diagnostics.
9620         (check_operand, check_tree, check_rhs_var, check_lhs_var,
9621         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
9622         (check_call, analyze_function): Rewrite.
9623         (check_stmt): New.
9624         (add_new_function): Update call of analyze_function.
9625         (generate_summary): Add call of analyze_function.
9626         (propagate): Propagate can_throw; handle state_set_in_source correctly.
9627         (local_pure_const): New function.
9628         (pass_local_pure_const): New pass.
9629         * ipa-inline.c (inline_transform): Set after_inlining.
9630         * tree-eh.c (stmt_can_throw_external): New.
9631         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
9632         work with aliasing built.
9633         * tree-flow.h (stmt_can_throw_external): New.
9634         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
9635         and local pure/const pass in early and late optimization queue.
9637 2009-03-28  Martin Jambor  <mjambor@suse.cz>
9639         * fold-const.c (get_pointer_modulus_and_residue): New parameter
9640         allow_func_align.
9641         (fold_binary): Allow function decl aligment consideration is the
9642         second argument is integer constant one.
9643         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
9644         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
9645         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
9647 2009-03-28  Jan Hubicka  <jh@suse.cz>
9649         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
9650         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
9651         * function.h (rtl_data): Add nothrow flag.
9652         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
9653         set DECL_NOTHROW for AVAILABLE functions.
9655 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
9657         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
9658         following vector keyword has expansion starting with pixel or bool
9659         keyword, expand vector to __vector and pixel or bool to __pixel or
9660         __bool.
9662         PR c++/39554
9663         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
9664         warn_if_disallowed_function_p): Removed.
9665         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
9666         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
9667         warning_if_disallowed_function_p.
9668         * flags.h (warn_if_disallowed_function_p,
9669         warn_disallowed_functions): Removed.
9670         * common.opt (Wdisallowed-function-list=): Removed.
9671         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
9673 2009-03-28  Richard Guenther  <rguenther@suse.de>
9675         PR tree-optimization/38723
9676         * tree-ssa-pre.c (compute_avail): Add all default definitions to
9677         the entry block.
9679 2009-03-28  Jan Hubicka  <jh@suse.cz>
9681         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
9682         test introduced by my previous patch.
9684 2009-03-28  Richard Guenther  <rguenther@suse.de>
9686         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
9687         the PHIs value undefined.
9689 2009-03-28  Jan Hubicka  <jh@suse.cz>
9691         * tree-pass.h (pass_fixup_cfg): New pass.
9692         * ipa-inline.c (inline_transform): Set
9693         always_inline_functions_inlined/after_inlining.
9694         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
9695         (pass_fixup_cfg): New pass.
9696         * passes.c (init_optimization_passes): Add fixup_cfg.
9698 2009-03-28  Richard Guenther  <rguenther@suse.de>
9700         PR tree-optimization/38458
9701         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
9702         argument use the arguments copy-of value.
9704 2009-03-28  Richard Guenther  <rguenther@suse.de>
9706         PR tree-optimization/38180
9707         * tree-ssa-ccp.c (get_default_value): Simplify.
9708         (likely_value): Likewise.
9709         (surely_varying_stmt_p): Properly handle VOP case.
9710         (ccp_initialize): Likewise.
9711         (ccp_fold): Handle propagating through *&.
9712         (fold_const_aggregate_ref): Also handle decls.
9714 2009-03-28  Jan Hubicka  <jh@suse.cz>
9716         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9717         * cgraph.h (cgraph_node): Likewise.
9718         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
9719         (cgraph_reset_node): Use process flag.
9720         (cgraph_mark_functions_to_output): Likewise.
9721         (cgraph_expand_function): Likewise.
9722         (cgraph_expand_all_functions): Likewise.
9723         (cgraph_output_in_order): Likewise.
9724         * dwarf2out.c (reference_to_unused): Likewise.
9725         * passes.c do_per_function_toporder): Likewise.
9727 2009-03-28  Jan Hubicka  <jh@suse.cz>
9729         Bring from lto-branch:
9731         2008-09-03  Doug Kwan  <dougkwan@google.com>
9733         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
9734         enums instead of reason strings.
9735         * cgraph.c (cgraph_create_edge): Same.
9736         (cgraph_inline_failed_string): New function.
9737         * cgraph.h (cgraph_inline_failed_t): New enum type.
9738         (cgraph_inline_failed_string): New prototype.
9739         (struct cgraph_edge): Change type of INLINED_FAILED from constant
9740         char pointer to cgraph_inline_failed_t.
9741         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
9742         (cgraph_default_inline_p): Ditto.
9743         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
9744         to cgraph_inline_failed_t pointer.
9745         * cif-code.def: New file.
9746         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
9747         reason string.
9748         (cgraph_check_inline_limits): Change type of REASON to pointer to
9749         cgraph_inline_failed_t.  Replace reason strings with enums.
9750         (cgraph_default_inline_p): Ditto.
9751         (cgraph_recursive_inlining_p): Ditto.
9752         (update_caller_keys): Change type of FAILED_REASON to
9753         cgraph_inline_failed_t.
9754         (cgraph_set_inline_failed): Change type of REASON to pointer to
9755         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
9756         convert enums to strings for text output.
9757         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
9758         to be of type cgraph_inline_failed_t.  Replace reason strings with
9759         enums.  Call cgraph_inline_failed_string to covert enums
9760         to strings for text output.
9761         (cgraph_decide_inlining): Replace reason strings with enums.
9762         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
9763         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
9764         for text output.
9765         * tree-inline.c (expand_call_inline): Change type of REASON
9766         to cgraph_inline_failed_t.  Replace reason strings with enums.
9767         Call cgraph_inline_failed_string for text output.
9768         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9769         (cgraph.o): Ditto.
9771 2009-03-28  Jan Hubicka  <jh@suse.cz>
9773         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9774         cgraph_clone_node): Remove master clone handling.
9775         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9776         * cgraph.h (master_clone): Remove.
9777         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9778         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9779         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9781 2009-03-28  Jan Hubicka  <jh@suse.cz>
9783         * cgraph.c (cgraph_function_body_availability): Functions declared
9784         inline are always safe to assume that it is not going to be replaced.
9786 2009-03-28  Richard Guenther  <rguenther@suse.de>
9788         PR tree-optimization/38513
9789         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9790         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9791         EXC_PTR_EXPR and FILTER_EXPR.
9792         (get_ref_from_reference_ops): Likewise.
9794 2009-03-28  Richard Guenther  <rguenther@suse.de>
9796         PR tree-optimization/38968
9797         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9798         Use FLOOR_MOD_EXPR to compute misalignment.
9800 2009-03-28  Richard Guenther  <rguenther@suse.de>
9802         PR tree-optimization/37795
9803         * tree.h (combine_comparisons): Declare.
9804         * fold-const.c (combine_comparisons): Export.
9805         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9806         comparisons.
9807         (ifcombine_iforif): Use combine_comparisons.
9809 2009-03-28  Jan Hubicka  <jh@suse.cz>
9811         * tree-eh.c (inlinable_call_p): New function.
9812         (make_eh_edges): Use it.
9813         (verify_eh_edges): Use it.
9814         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9815         * except.c (reachable_next_level): Add inlinable_function argument
9816         (sjlj_find_directly_reachable_regions): Update.
9817         (add_reachable_handler): Do not set saw_any_handlers.
9818         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9819         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9820         Add new inlinable call parameter.
9821         (can_throw_internal, can_throw_external): Update.
9822         * except.h (can_throw_internal_1, can_throw_external_1,
9823         foreach_reachable_handler): Update declaration.
9825 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9827         * config/arm/t-arm-coff, config/h8300/coff.h,
9828         config/i386/i386-aout.h, config/i386/i386-coff.h,
9829         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9830         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9831         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9832         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9833         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9834         sys-types.h: Remove.
9835         * Makefile.in: Remove protoize and fixproto support and references
9836         in comments.
9837         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9838         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9839         Remove.
9840         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9841         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9842         unprotoize$(exeext).
9843         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9844         (.PHONY): Don't depend on proto.
9845         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9846         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9847         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9848         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9849         build/gen-protos.o, build/scan.o, xsys-protos.h,
9850         build/fix-header$(build_exeext), build/fix-header.o,
9851         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9852         stmp-install-fixproto): Remove.
9853         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9854         SYSCALLS.c or fixproto files.
9855         (install-common): Don't install protoize.
9856         (install-headers-tar, install-headers-cpio, install-headers-cp):
9857         Don't depend on $(STMP_FIXPROTO).
9858         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9859         install fixproto files or write out fixproto settings.
9860         (uninstall): Don't uninstall protoize.
9861         * config.gcc (use_fixproto): Remove.
9862         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9863         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9864         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9865         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9866         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9867         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9868         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9869         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9870         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9871         * config/t-vxworks (STMP_FIXPROTO): Remove.
9872         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9873         STMP_FIXPROTO): Remove.
9874         * config.in, configure: Regenerate.
9875         * crtstuff.c (gid_t, uid_t): Don't undefine.
9876         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9877         (arm-*-coff, arm-*-aout: Remove target entries.
9878         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9879         Remove mention of AIX 4.1.
9880         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9881         * doc/invoke.texi (Running Protoize): Remove.
9882         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9883         (Protoize Caveats): Remove.
9884         * tsystem.h: Update comments on headers assumed to exist.
9886 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9888         * genautomata.c: Add a new year to the copyright.  Add a new
9889         reference.
9890         (struct insn_reserv_decl): Add comments for member bypass_list.
9891         (find_bypass): Remove.
9892         (insert_bypass): New.
9893         (process_decls): Use insert_bypass.
9894         (output_internal_insn_latency_func): Output all bypasses with the
9895         same input insn in one switch case.
9897         * rtl.def (define_bypass): Describe bypass choice.
9898         * doc/md.texi (define_bypass): Ditto.
9900 2009-03-27  Richard Guenther  <rguenther@suse.de>
9902         * gimplify.c (mark_addressable): Export.
9903         * tree-flow.h (mark_addressable): Declare.
9904         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9905         * tree-ssa.c (verify_phi_args): Verify that address taken
9906         variables have TREE_ADDRESSABLE set.
9908 2009-03-27  Richard Guenther  <rguenther@suse.de>
9910         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9911         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9912         Do not mark decls TREE_ADDRESSABLE.
9913         (build_fold_addr_expr): Adjust.
9914         (fold_addr_expr): Remove.
9915         (fold_unary): Use build_fold_addr_expr.
9916         (fold_comparison): Likewise.
9917         (split_address_to_core_and_offset): Likewise.
9918         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9919         TREE_ADDRESSABLE.
9920         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9921         (gimplify_modify_expr_to_memcpy): Mark source and destination
9922         addressable.
9923         * omp-low.c (create_omp_child_function): Mark the object decl
9924         TREE_ADDRESSABLE.
9925         (lower_rec_input_clauses): Mark the var we take the address of
9926         TREE_ADDRESSABLE.
9927         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9929 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9931         PR middle-end/39315
9932         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9933         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9935 2009-03-27  Richard Guenther  <rguenther@suse.de>
9937         PR tree-optimization/39120
9938         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9939         constraints.
9940         (handle_lhs_call): Process return constraints.  Add escape
9941         constraints if necessary.
9942         (handle_const_call): Fill out return constraints.  Make nested
9943         case more precise.  Avoid consttmp if possible.
9944         (handle_pure_call): Fill out return constraints.  Avoid
9945         callused if possible.
9946         (find_func_aliases): Simplify call handling.
9948 2009-03-27  Richard Guenther  <rguenther@suse.de>
9950         PR tree-optimization/39120
9951         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9952         as a representative.
9953         (solve_graph): Do propagate CALLUSED.
9954         (handle_pure_call): Use a scalar constraint from CALLUSED for
9955         the return value.
9956         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9957         solutions.
9959 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9961         PR c/39323
9962         * c-common.c (handle_aligned_attribute): Properly check alignment
9963         overflow.  Use (1U << i) instead of (1 << i).
9965         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9967         * expr.h (get_mem_align_offset): Updated.
9969         * tree.h (tree_decl_common): Change align to "unsigned int" and
9970         move it before pointer_alias_set.
9972 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9973             Jakub Jelinek  <jakub@redhat.com>
9975         PR target/38034
9976         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9977         gr_register_operand with gr_reg_or_0_operand.
9978         (cmpxchg_rel_di): Likewise.
9979         (sync_lock_test_and_set<mode>): Likewise.
9981 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9983         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9984         (true_regnum): Likewise.
9986         * rtlanal.c (subreg_info): Moved to ...
9987         * rtl.h (subreg_info): Here.  New.
9988         (subreg_get_info): New.
9990         * rtlanal.c (subreg_get_info): Make it extern.
9992 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9994         PR target/39472
9995         * config/i386/i386.c (ix86_abi): New.
9996         (override_options): Handle -mabi=.
9997         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9998         (ix86_call_abi_override): Likewise.
9999         (init_cumulative_args): Likewise.
10000         (function_arg_advance): Likewise.
10001         (function_arg_64): Likewise.
10002         (function_arg): Likewise.
10003         (ix86_pass_by_reference): Likewise.
10004         (ix86_function_value_regno_p): Likewise.
10005         (ix86_build_builtin_va_list_abi): Likewise.
10006         (setup_incoming_varargs_64): Likewise.
10007         (is_va_list_char_pointer): Likewise.
10008         (ix86_init_machine_status): Likewise.
10009         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
10010         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
10011         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
10012         (ix86_function_abi): Make it static and return enum calling_abi.
10013         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
10014         with ix86_abi.
10015         (ix86_fn_abi_va_list): Updated.
10017         * config/i386/i386.h (ix86_abi): New.
10018         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
10019         (CONDITIONAL_REGISTER_USAGE): Likewise.
10020         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
10021         (machine_function): Likewise.
10023         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
10024         with ix86_abi.
10025         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
10026         (STACK_BOUNDARY): Likewise.
10027         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
10029         * config/i386/i386.opt (mabi=): New.
10031         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
10032         return enum calling_abi.
10033         (ix86_function_type_abi): Likewise.
10034         (ix86_function_abi): Removed.
10036         * doc/invoke.texi: Document -mabi= option for x86.
10038 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10040         * builtins.c (real_dconstp): Delete.
10041         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
10043 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
10044             Jakub Jelinek  <jakub@redhat.com>
10046         PR debug/37959
10047         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
10048         (gen_subprogram_die): When a function is explicit, generate the
10049         DW_AT_explicit attribute.
10050         * langhooks.h (struct lang_hooks_for_decls): Add
10051         function_decl_explicit_p langhook.
10052         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
10053         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
10055 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
10057         * builtins.c (fold_builtin_memory_op): Optimize memmove
10058         into memcpy if we can prove source and destination don't overlap.
10060         * tree-inline.c: Include gt-tree-inline.h.
10061         (clone_fn_id_num): New variable.
10062         (clone_function_name): New function.
10063         (tree_function_versioning): Use it.
10064         * Makefile.in (GTFILES): Add tree-inline.c.
10066 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
10068         * BASE-VER: Change to 4.5.0.
10070 2009-03-27  Xinliang David Li  <davidxl@google.com>
10072         PR tree-optimization/39557
10073         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
10075 2009-03-27  Xinliang David Li  <davidxl@google.com>
10077         PR tree-optimization/39548
10078         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
10079         candidate check.
10081 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10083         * c-common.c (pointer_int_sum): Use %wd on return from
10084         tree_low_cst.
10086 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10088         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
10089         on return from tree_low_cst.
10091 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10093         PR c++/36799
10094         * ginclude/stdarg.h (va_copy): Define also for
10095         __GXX_EXPERIMENTAL_CXX0X__.
10097 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10099         PR c++/35652
10100         * builtins.h (c_strlen): Do not warn here.
10101         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
10102         * c-common.c (pointer_int_sum): Take an explicit location.
10103         Warn about offsets out of bounds.
10104         * c-common.h (pointer_int_sum): Adjust declaration.
10106 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10108         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
10109         markup glitch.
10111 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
10113         PR c++/39554
10114         * opts.c (warn_if_disallowed_function_p): Don't assume
10115         get_callee_fndecl must return non-NULL.
10117 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
10119         PR rtl-optimization/39522
10120         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
10121         when reg_reloaded_valid is set.
10123 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10125         * config/spu/divv2df3.c: New file.
10126         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
10127         (DPBIT_FUNCS): Filter out _div_df.
10129 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10131         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
10132         a jump insn, count that jump in the distance to the loop start.
10134 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10136         PR target/39523
10137         * config/sh/sh.c (calc_live_regs): Fix condition for global
10138         registers except PIC_OFFSET_TABLE_REGNUM.
10140 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
10142         PR/39518
10143         * doc/invoke.texi (-mconsole): New.
10144         (-mcygwin): New.
10145         (-mno-cygwin): New.
10146         (-mdll): New.
10147         (-mnop-fun-dllimport): New.
10148         (-mthread): New.
10149         (-mwin32): New.
10150         (-mwindows): New.
10151         (sub section "i386 and x86-64 Windows Options"): New.
10153 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
10155         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
10156         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
10158 2009-03-25  Richard Guenther  <rguenther@suse.de>
10160         PR middle-end/39497
10161         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
10162         of -Wno-error.
10164 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
10166         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
10167         neither of haifa/selective schedulers are working.
10169 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10171         * doc/invoke.texi (Debugging Options): Fix description of
10172         -fno-merge-debug-strings.
10174 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
10176         * config/cris/libgcc.ver: New version-script.
10177         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
10179         * configure.ac <GAS features, nop mnemonic>: Add pattern
10180         crisv32-*-* for "nop".
10181         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
10182         * configure: Regenerate.
10184 2009-03-24  Ira Rosen  <irar@il.ibm.com>
10186         PR tree-optimization/39529
10187         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
10188         mark_sym_for_renaming for the tag copied to the new vector
10189         pointer.
10191 2009-03-24  Arthur Loiret  <aloiret@debian.org>
10193         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
10194         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
10195         EXTRA_SPEC_FUNCTIONS.
10196         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
10197         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
10198         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
10199         -march and -mtune options.
10201 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
10203         * config/m68k/t-rtems: Add m5329 multilib.
10205 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
10206             Jakub Jelinek  <jakub@redhat.com>
10208         PR debug/39524
10209         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
10210         nodes.
10212 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10214         PR c/39495
10215         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
10216         instead of c_parser_expression_conv, if original_code isn't one of the
10217         4 allowed comparison codes, fail.
10219 2009-03-23  Richard Guenther  <rguenther@suse.de>
10221         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
10222         * tree.h (struct tree_type): Likewise.
10223         * reload.h (struct insn_chain): Likewise.
10224         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
10225         * function.h (struct function): Likewise.
10226         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
10228 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
10230         PR tree-optimization/39516
10231         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
10233 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
10235         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
10236         should be set true if BITS_PER_WORD of target is bigger than 32
10238 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
10240         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
10241         Translate -B-options to -rpath-link.  Correct existing
10242         rpath-link and conditionalize on !nostdlib.
10244 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10246         * doc/extend.texi (Function Attributes, Variable Attributes):
10247         Fix typos.
10248         * doc/invoke.texi (Debugging Options, Optimize Options)
10249         (i386 and x86-64 Options, MCore Options): Likewise.
10251 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
10253         PR debug/37890
10254         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
10255         it for block local namespace aliases.
10256         (gen_decl_die): Pass context_die to gen_namespace_die.
10258 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10260         PR c/39495
10261         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
10262         minimum or maximum value.
10264 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
10266         * reginfo.c (globalize_reg): Recompute derived reg sets.
10268 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
10270         PR target/39063
10271         * libgcc2.c (mprotect): Do not use signed arguments for
10272         VirtualProtect, use DWORD arguments.  Also fix the 'may
10273         be used uninitialized' warning for the np variable.
10275 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10277         PR target/39496
10278         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
10279         functions using regparm calling conventions when not optimizing.
10280         (ix86_function_sseregparm): Similarly for sseregparm calling
10281         conventions.
10283 2009-03-19  Li Feng  <nemokingdom@gmail.com>
10285         PR middle-end/39500
10286         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
10287         dependence if the first conflict is after niter iterations.
10289 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
10291         PR middle-end/38609
10292         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
10293         functions with dynamic stack-pointer adjustments.
10295 2009-03-19  Ben Elliston  <bje@au.ibm.com>
10297         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
10298         option; change to -msdata=data.
10300 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10302         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
10303         and -fopenmp.
10305 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
10307         PR target/35180
10308         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
10310 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
10312         * doc/invoke.texi (Code Gen Options): Expand discussion of
10313         -fno-common.
10315 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
10317         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
10318         * matrix-reorg.c (struct matrix_info): Likewise.
10319         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
10320         * rtl.h (struct mem_attrs): Likewise.
10321         * df.h (struct df): Likewise.
10322         * tree-data-ref.h (struct data_dependence_relation): Likewise.
10323         * ira-int.h (struct ira_allocno): Likewise.
10324         * df-scan.c (struct df_collection_rec): Likewise.
10325         * ira.c (struct equivalence): Likewise.
10326         * function.c (struct temp_slot): Likewise.
10327         * cfgloop.h (struct loop): Likewise.
10329         PR debug/39485
10330         * function.c (use_register_for_decl): When not optimizing, disregard
10331         register keyword for variables with types containing methods.
10333 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
10335         PR middle-end/39447
10336         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
10337         (is_simple_operand): Call contains_component_ref_p before calling data
10338         reference analysis that would fail on COMPONENT_REFs.
10340         * tree-vrp.c (search_for_addr_array): Fix formatting.
10342 2009-03-18  Richard Guenther  <rguenther@suse.de>
10344         * tree-vect-transform.c (vect_loop_versioning): Fold the
10345         generated comparisons.
10346         * tree-vectorizer.c (set_prologue_iterations): Likewise.
10347         (slpeel_tree_peel_loop_to_edge): Likewise.
10349 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10351         PR middle-end/37805
10352         * opts.c (print_specific_help): In addition to `undocumented',
10353         accept `separate' and `joined' flags if passed alone.  Describe
10354         output by the first matched one of those.
10355         (common_handle_option): Skip over empty strings.
10356         * gcc.c (display_help): Fix help string for `--help='.
10357         * doc/invoke.texi (Option Summary, Overall Options): With
10358         `--help=', classes and qualifiers can both be repeated, but
10359         only the latter can be negated.  One should not pass only
10360         negated qualifiers.  Fix markup and examples.
10362         Revert
10363         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
10364         PR middle-end/37805
10365         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
10366         and -fhelp=separate.
10368 2009-03-17  Jing Yu  <jingyu@google.com>
10370         PR middle-end/39378
10371         * function.h (struct rtl_data): Move is_thunk from here...
10372         (struct function): ...to here.
10373         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
10374         * varasm.c (assemble_start_function): Change is_thunk from crtl to
10375         cfun.
10376         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
10377         cfun.
10378         (alpha_does_function_need_gp, alpha_start_function): Likewise.
10379         (alpha_output_function_end_prologue): Likewise.
10380         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
10381         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
10382         (rs6000_output_function_epilogue): Likewise.
10383         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
10385 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
10387         PR target/39482
10388         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
10389         from different units in a single alternative.
10390         (*truncdfsf_i387): Ditto.
10391         (*truncxfsf2_mixed): Ditto.
10392         (*truncxfdf2_mixed): Ditto.
10394 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
10396         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
10397         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
10399         PR debug/39474
10400         * tree-ssa-live.c (remove_unused_locals): Don't remove local
10401         unused non-artificial variables when not optimizing.
10403         PR debug/39471
10404         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
10405         DW_TAG_imported_module even if decl is IMPORTED_DECL with
10406         NAMESPACE_DECL in its DECL_INITIAL.
10408         PR middle-end/39443
10409         * optabs.c (set_user_assembler_libfunc): New function.
10410         * expr.h (set_user_assembler_libfunc): New prototype.
10411         * c-common.c: Include libfuncs.h.
10412         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
10413         for memcmp, memset, memcpy, memmove and abort.
10414         * Makefile.in (c-common.o): Depend on libfuncs.h.
10416         PR debug/39412
10417         * dwarf2out.c (gen_inlined_enumeration_type_die,
10418         gen_inlined_structure_type_die, gen_inlined_union_type_die,
10419         gen_tagged_type_instantiation_die): Removed.
10420         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
10421         do nothing.
10423 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
10425         PR testsuite/38526
10426         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
10427         its use.
10428         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
10429         (check-parallel-%): Ditto.
10430         (check-consistency): Ditto.
10432 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
10434         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
10435         local variable rhs by NULL_TREE.
10437 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10439         PR target/39477
10440         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
10442 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10444         PR target/39476
10445         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
10447 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10449         PR target/39473
10450         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
10451         for ms->sysv ABI calls only in 64bit mode.
10453         * config/i386/i386.md (untyped_call): Support 32bit.
10455 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
10457         * doc/extend.texi: Replace x86_65 with x86_64.
10459 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
10461         PR tree-optimization/39455
10462         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
10463         mismatches for POINTER_TYPE_P (type).
10464         (number_of_iterations_le): Likewise.
10466 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10468         * config/picochip/picochip.c: Removed profiling support.
10469         * config/picochip/picochip.md: Removed profiling instruction.
10470         * config/picochip/picochip.h: Removed profiling builtin.
10472 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
10474         * doc/install.texi (--with-host-libstdcxx): Document.
10476 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
10478         PR target/34299
10479         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
10480         generate a warning if the function name does not begin with
10481         "__vector" and the function has either the 'signal' or 'interrupt'
10482         attribute, from here to ...
10483         (avr_declare_function_name): ...here. New function.
10484         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
10485         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
10487 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
10489         PR bootstrap/39454
10490         * cse.c (fold_rtx): Don't modify original const_arg1 when
10491         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
10492         separate variable instead.
10493         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
10494         from out of range shift counts.
10495         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
10497 2009-03-13  Catherine Moore  <clm@codesourcery.com>
10499         * config/i386/x-mingw32 (host-mingw32.o): Replace
10500         diagnostic.h with $(DIAGNOSTIC_H).
10502 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
10504         PR target/39431
10505         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
10506         predicate.
10507         * config/i386/sync.md (sync_compare_and_swap<mode>,
10508         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
10509         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10510         into a register.
10511         (sync_double_compare_and_swapdi_pic,
10512         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
10513         cmpxchg8b_pic_memory_operand instead of just memory_operand.
10515 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10517         PR target/39445
10518         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
10520 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10522         PR target/39327
10523         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10524         (avx_addsubv4df3): Likewise.
10525         (*avx_addsubv4sf3): Likewise.
10526         (sse3_addsubv4sf3): Likewise.
10528 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10530         PR target/38824
10531         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
10533 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10535         PR debug/39432
10536         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
10537         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
10538         registers for allocnos created from user-defined variables.
10540 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10542         PR target/39181
10543         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
10544         of non-integer mode as well.
10546 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
10548         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
10549         for functions for which the parameter types are unknown.
10551 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
10553         PR target/39137
10554         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
10555         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
10556         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
10557         * config/i386/i386.c (ix86_local_alignment): For
10558         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10559         long long variables on the stack to avoid dynamic realignment.
10560         Allow the first argument to be a decl rather than type.
10561         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
10563 2009-03-11  Nick Clifton  <nickc@redhat.com>
10565         PR target/5362
10566         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
10567         options.
10568         Add description to mno-lsim option.
10569         * config/mcore/mcore.h: Remove comment about deprecated m4align
10570         option.
10571         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10572         * doc/invoke.texi: Add description of mno-lsim and
10573         mstack-increment options.
10575         * config/fr30/fr30.opt: Document the -mno-lsim option.
10576         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
10577         and -mno-lsim options.
10579 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10581         * fold-const.c (fold_comparison): Only call fold_inf_compare
10582         if the mode supports infinities.
10584 2009-03-11  Jason Merrill  <jason@redhat.com>
10586         PR debug/39086
10587         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10588         end already did.  Notice GIMPLE_CALL modifications of the result.
10589         Don't copy debug information from an ignored decl or a decl from
10590         another function.
10592 2009-03-10  Richard Guenther  <rguenther@suse.de>
10593             Nathan Froyd  <froydnj@codesourcery.com>
10595         PR middle-end/37850
10596         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
10597         (__divMODE3): Likewise.
10599 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
10601         PR tree-optimization/39394
10602         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
10603         DECL_SIZE_UNIT of variable length FIELD_DECLs.
10605 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10607         * recog.c (verfiy_changes): Disallow renaming of hard regs in
10608         inline asms for register asm ("") declarations.
10610 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10612         * fold-const.c (fold_unary): Fix comment.
10614 2009-03-07  Jan Hubicka  <jh@suse.cz>
10616         PR target/39361
10617         * tree-inline.c (setup_one_parameter): Do replacement of const
10618         argument by constant in SSA form.
10620 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10622         PR middle-end/38028
10623         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
10624         determine alignment passed to assign_stack_local.
10625         (assign_parms_unsplit_complex): Likewise.
10626         * except.c (sjlj_build_landing_pads): Likewise.
10628 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10630         PR middle-end/39360
10631         * tree-flow.h (add_referenced_var): Return bool instead of void.
10632         * tree-dfa.c (add_referenced_var): Return result of
10633         referenced_var_check_and_insert call.
10634         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
10635         of referenced_var_check_and_insert.
10637         PR debug/39372
10638         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
10639         (gen_variable_die): Emit DW_AT_location on abstract static variable's
10640         DIE, don't emit it if abstract origin already has it.
10641         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
10642         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
10644 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10646         * genpreds.c (needs_variable): Fix parentheses at variable name
10647         detection.
10648         (write_tm_constrs_h): Indent generated code.
10650 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10652         * doc/extend.texi (Function Attributes): Add documentation
10653         for isr attributes.
10655 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10657         PR debug/39387
10658         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
10659         take locus from its DECL_SOURCE_LOCATION instead of input_location.
10661 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10663         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
10664         the loop as bad.
10666 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
10668         PR debug/39379
10669         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10670         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
10672 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
10674         * config/i386/i386.md (R8_REG, R9_REG): New constants.
10675         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
10676         constants instead of magic numbers.
10677         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
10678         (QI_REG_P): Ditto.
10679         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
10680         (x86_64_ms_abi_int_parameter_registers): Ditto.
10681         (x86_64_int_return_registers): Ditto.
10682         (ix86_maybe_switch_abi): Ditto.
10683         (ix86_expand_call): Ditto for clobbered_registers array.
10684         (ix86_hard_regno_mode_ok): Ditto.
10685         (x86_extended_QIreg_mentioned_p): Ditto.
10687 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
10689         PR tree-optimization/39349
10690         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
10692         * combine.c (gen_lowpart_for_combine): Use omode when generating
10693         clobber.
10695 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
10697         PR rtl-optimization/39235
10698         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
10700 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10702         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10704 2009-03-04  Richard Guenther  <rguenther@suse.de>
10706         PR tree-optimization/39362
10707         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
10708         that occur in abnormal PHIs should be varying.
10710 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10712         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
10713         Extend comments.
10714         (simple_iv):  Take loop as an argument instead of statement.
10715         * tree-scalar-evolution.h (simple_iv): Declaration changed.
10716         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
10717         to simple_iv.
10718         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
10719         Ditto.
10720         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
10721         * matrix-reorg.c (analyze_transpose): Ditto.
10722         * tree-data-ref.c (dr_analyze_innermost): Ditto.
10723         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10724         * tree-predcom.c (ref_at_iteration): Ditto.
10725         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
10727 2009-03-04  Richard Guenther  <rguenther@suse.de>
10729         PR tree-optimization/39358
10730         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
10731         escaped_id and callused_id.
10732         (solve_graph): Likewise.
10734 2009-03-04  Richard Guenther  <rguenther@suse.de>
10736         PR tree-optimization/39339
10737         * tree-sra.c (try_instantiate_multiple_fields): Make it
10738         no longer ICE on the above.
10740 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
10742         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
10743         that fits within Pmode.
10745 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10747         PR middle-end/10109
10748         * tm.texi (LIBCALL_VALUE): Update description.
10750 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10752         PR middle-end/34443
10753         * doc/extend.texi (section): Update description.
10755 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
10757         PR middle-end/39345
10758         * tree-inline.c (remapped_type): New.
10759         (can_be_nonlocal): Call remapped_type instead of remap_type.
10761 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10763         PR fortran/39354
10764         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
10765         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
10767 2009-03-03  Richard Guenther  <rguenther@suse.de>
10769         PR middle-end/39272
10770         * tree.c (tree_nonartificial_location): New function.
10771         * tree.h (tree_nonartificial_location): Declare.
10772         * builtins.c (expand_builtin_memory_chk): Provide location
10773         of the call location for artificial function pieces.
10774         (maybe_emit_chk_warning): Likewise.
10775         (maybe_emit_sprintf_chk_warning): Likewise.
10776         (maybe_emit_free_warning): Likewise.
10777         * expr.c (expand_expr_real_1): Likewise.
10779 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10781         PR tree-optimization/39343
10782         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10783         COMPONENT_REF t has ARRAY_TYPE.
10785 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10787         PR middle-end/39335
10788         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10789         when the type precision of the induction variable should be
10790         larger than the type precision of nit.
10791         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10792         * graphite.c (graphite_loop_normal_form): Same.
10793         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10795 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10797         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10798         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10799         numbers to describe clobbered registers.
10800         (*call_value_0_rex64_ms_sysv): Ditto.
10801         * config/i386/mmx.md (mmx_emms): Ditto.
10802         (mmx_femms): Ditto.
10804 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10806         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10807         of ABI_64.
10809 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10811         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10812         (spu_section_type_flags): New function.
10814 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10816         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10817         reg_class_contents of FLOAT_REGS into a temporary.
10819 2009-03-02  Richard Guenther  <rguenther@suse.de>
10820             Ira Rosen  <irar@il.ibm.com>
10822         PR tree-optimization/39318
10823         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10824         information to the vectorized statement.
10826 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10828         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10829         variable.  Use defined names instead of magic constants for REX SSE
10830         registers.
10832 2009-03-01  Richard Guenther  <rguenther@suse.de>
10834         PR tree-optimization/39331
10835         * omp-low.c (lower_send_shared_vars): Do not receive new
10836         values for the reference of DECL_BY_REFERENCE parms or results.
10838 2009-03-01  Jan Hubicka  <jh@suse.cz>
10840         PR debug/39267
10841         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10842         BLOCK_NONLOCALIZED_VAR): New macros.
10843         (tree_block): Add nonlocalized_vars.
10844         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10845         gen_decl_die): Add origin argument.  Allow generation of die with
10846         origin at hand only.
10847         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10848         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10849         of gen_*.
10850         (gen_block_die): Fix checking for unused blocks.
10851         (process_scope_var): Break out from .... ; work with origins only.
10852         (decls_for_scope) ... here; process nonlocalized list.
10853         (dwarf2out_ignore_block): Look for nonlocalized vars.
10854         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10855         vars.
10856         (dump_scope_block): Dump them.
10857         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10858         (remap_block): Likewise.
10859         (can_be_nonlocal): New predicate.
10860         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10862 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10864         * configure: Regenerate.
10866 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10868         * optc-gen.awk: No need to duplicate option flags twice.
10869         Reuse help texts for duplicate options which do not have any.
10871         * gcc.c (display_help): Document --version.
10873         * gcc.c (main): If print_help_list and verbose_flag, ensure
10874         driver output comes before subprocess output.
10876         * optc-gen.awk: Assign all remaining fields to help string,
10877         space-separated, for multi-line help in *.opt.
10879         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10880         -Wno-pedantic-ms-format is for MinGW targets only.
10882         * doc/options.texi (Option file format): Fix bad indentation,
10883         restoring dropped sentence.
10885 2009-02-28  Jan Hubicka  <jh@suse.cz>
10887         * tree-inline.c (tree_function_versioning): Output debug info.
10889 2009-02-28  Jan Hubicka  <jh@suse.cz>
10891         PR debug/39267
10892         * tree-inline.c (setup_one_parameter): Do not copy propagate
10893         arguments when not optimizing.
10895 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10897         PR target/39327
10898         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10899         (avx_addsubv4df3): Likewise.
10900         (*avx_addsubv4sf3): Likewise.
10901         (sse3_addsubv4sf3): Likewise.
10902         (*avx_addsubv2df3): Likewise.
10903         (sse3_addsubv2df3): Likewise.
10904         (avx_unpckhps256): Correct item selectors.
10905         (avx_unpcklps256): Likewise.
10906         (avx_unpckhpd256): Likewise.
10907         (avx_unpcklpd256): Likewise.
10909 2009-02-28  Jan Hubicka  <jh@suse.cz>
10911         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10912         static vars.
10913         (copy_arguments_for_versioning): If var is declared don't declare it.
10914         (tree_function_versioning): First setup substitutions and then copy
10915         args.
10917 2009-02-27  Jan Hubicka  <jh@suse.cz>
10919         PR debug/39267
10920         * cgraph.h (varpool_output_debug_info): Remove.
10921         * cgraphunit.c (varpool_output_debug_info): Remove.
10922         * dwarf2out.c (deferred_locations_struct): New struct
10923         (deferred_locations): New type.
10924         (deferred_locations_list): New static var.
10925         (deffer_location): New function.
10926         (gen_variable_die): Use it.
10927         (decls_for_scope): Output info on local static vars.
10928         (dwarf2out_finish): Process deferred locations.
10929         * varpool.c (varpool_output_debug_info): Remove.
10931 2009-02-27  Jan Hubicka  <jh@suse.cz>
10933         PR debug/39267
10934         * tree.h (TREE_PROTECTED): Fix comment.
10935         (BLOCK_HANDLER_BLOCK): Remove.
10936         (struct tree_block): Remove handler_block add body_block.
10937         (inlined_function_outer_scope_p): New.
10938         (is_body_block): Remove.
10939         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10940         * dwarf2out.c (is_inlined_entry_point): Remove.
10941         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10942         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10943         code.
10944         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10945         * gimplify.c (gimplify_expr): Gimplify body blocks.
10946         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10947         block with multiple subblocks.
10948         (dump_scope_block): Prettier output; dump more flags and info.
10949         (dump_scope_blocks): New.
10950         (remove_unused_locals): Use dump_scope_blocks.
10951         * tree-flow.h (dump_scope_blocks): Declare.
10952         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10953         * stmt.c (is_body_block): Remove.
10954         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10955         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10957 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10959         PR middle-end/39308
10960         * graphite.c (graphite_loop_normal_form): Do not call
10961         number_of_iterations_exit from a gcc_assert.
10963 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10965         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10966         jumps if COND is NULL.
10967         (find_cond_jump): New function.
10968         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10969         * config/s390/s390.md: Remove z10_cobra attribute value.
10971 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10973         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10974         force_const_mem returns NULL_RTX.
10976 2009-02-26  Jan Hubicka  <jh@suse.cz>
10978         PR debug/39267
10979         * cgraph.h (varpool_output_debug_info): Remove.
10980         * cgraphunit.c (varpool_output_debug_info): Remove.
10981         * dwarf2out.c (deferred_locations_struct): New struct
10982         (deferred_locations): New type.
10983         (deferred_locations_list): New static var.
10984         (deffer_location): New function.
10985         (gen_variable_die): Use it.
10986         (decls_for_scope): Output info on local static vars.
10987         (dwarf2out_finish): Process deferred locations.
10988         * varpool.c (varpool_output_debug_info): Remove.
10990 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10992         PR rtl-optimization/39241
10993         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10994         to subreg_offset_representable_p.
10996 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10998         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10999         execute function prototype.  Get f and nregs from max_reg_num
11000         and get_insns.  Remove the first backward pass as it's dead,
11001         guard the forward pass by flag_expensive_optimizations.
11002         (rest_of_handle_regmove): Delete.
11003         (pass_regmove): Replace it with regmove_optimize.
11005 2009-02-25  Martin Jambor  <mjambor@suse.cz>
11007         PR tree-optimization/39259
11008         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
11009         calls_alloca function flags.
11010         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
11011         calls are detected.
11013 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11015         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
11016         flags_set_1_rtx, flags_set_1_set): Delete.
11017         (regmove_optimize): Do not call mark_flags_life_zones.
11019 2009-02-24  Julian Brown  <julian@codesourcery.com>
11021         PR target/35965
11022         * config/arm/arm.c (require_pic_register): Only set
11023         cfun->machine->pic_reg once per function.
11025 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
11027         * doc/invoke.texi (Link Options): Document an easier way to pass
11028         options that take arguments to the GNU linker using -Xlinker and -Wl.
11030 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
11032         PR target/33785
11033         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
11035 2009-02-24  Richard Guenther  <rguenther@suse.de>
11037         PR debug/39285
11038         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
11040 2009-02-24  Richard Guenther  <rguenther@suse.de>
11041             Zdenek Dvorak  <ook@ucw.cz>
11043         PR tree-optimization/39233
11044         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
11045         from converting them to a generic type.
11047 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
11049         PR tree-optimization/39260
11050         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
11051         contains a condition with a real type.
11052         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
11054 2009-02-23  Jason Merrill  <jason@redhat.com>
11056         PR c++/38880
11057         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
11058         narrowing_initializer_constant_valid_p.
11059         (narrowing_initializer_constant_valid_p): Don't return
11060         null_pointer_node for adding a pointer to itself.
11062 2009-02-23  Jan Hubicka  <jh@suse.cz>
11064         PR c/12245
11065         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
11066         resizing.
11068 2009-02-23  Jan Hubicka  <jh@suse.cz>
11070         PR tree-optimization/37709
11071         * tree.c (block_ultimate_origin): Move here from dwarf2out.
11072         * tree.h (block_ultimate_origin): Declare.
11073         * dwarf2out.c (block_ultimate_origin): Move to tree.c
11074         * tree-ssa-live.c (remove_unused_scope_block_p):
11075         Eliminate blocks containig no instructions nor live variables nor
11076         nested blocks.
11077         (dump_scope_block): New function.
11078         (remove_unused_locals): Enable removal of dead blocks by default;
11079         enable dumping at TDF_DETAILS.
11081 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11083         * config/i386/i386.c (classify_argument): Don't allow COImode
11084         and OImode.
11085         (function_arg_advance_32): Don't allow OImode.
11086         (function_arg_32): Likewise.
11087         (function_value_32): Likewise.
11088         (return_in_memory_32): Likewise.
11089         (function_arg_64): Remove OImode comment.
11091 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11093         PR target/39261
11094         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11095         ix86_expand_vector_set for V4DImode in 64bit mode only.
11096         (ix86_expand_vector_init_one_var): Likewise.
11098 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
11100         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
11102 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11104         PR bootstrap/39257
11105         * loop-iv.c: Revert last change.
11106         * emit-rtl.c: Likewise.
11108 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
11110         PR target/39256
11111         * config/i386/i386.c (type_natural_mode): Remove an extra
11112         space in the warning message.
11113         (function_value_32): Handle 32-byte vector modes.
11114         (return_in_memory_32): Likewise.
11116 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
11118         * loop-iv.c (truncate_value): New function.
11119         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
11120         of lowpart_subreg.
11121         (lowpart_subreg): Move to...
11122         * emit-rtl.c: ...here.
11124 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
11126         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
11127         accidental and undocumented change at revision 140860.
11129 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
11131         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
11132         take gimple_seq * arguments.
11133         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
11134         types_compatible_p langhook.
11136 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
11137             Joseph Myers  <joseph@codesourcery.com>
11139         * config/arm/arm.c (arm_builtin_va_list): New function.
11140         (arm_expand_builtin_va_start): Likewise.
11141         (arm_gimplify_va_arg_expr): Likewise.
11142         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
11143         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
11144         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
11145         (va_list_type): New variable.
11146         (arm_mangle_type): Mangle va_list_type appropriately.
11148 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11150         PR middle-end/39157
11151         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
11152         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
11153         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
11154         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
11155         parameter to 1000 for -O1 by default.
11156         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
11157         parameter.
11158         * loop-invariant.c: Include params.h.
11159         (move_loop_invariants): Don't call move_single_loop_invariants on
11160         very large loops.
11162 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
11164         * calls.c (emit_library_call_value_1): Use slot_offset instead of
11165         offset when calculating bounds for indexing stack_usage_map.  Fixes
11166         a buffer overflow with certain target setups.
11168 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
11170         PR target/39240
11171         * calls.c (expand_call): Clear try_tail_call if caller and callee
11172         disagree in promotion of function return value.
11174 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
11176         PR target/39175
11177         * c-common.c (c_determine_visibility): If visibility changed and
11178         DECL_RTL has been already set, call make_decl_rtl to update symbol
11179         flags.
11181 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11183         PR c++/39188
11184         * varasm.c (assemble_variable): Don't check DECL_NAME when
11185         globalizing a variable.
11187 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
11189         PR c/38483
11190         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
11191         expression before any __builtin_trap call.
11192         * c-typeck.c (build_function_call): Convert and check function
11193         arguments before generating a call to a trap.  Evaluate the
11194         function arguments before the trap.
11196 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
11198         PR target/39228
11199         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
11200         (UNSPEC_FXAM_MEM): New unspec.
11201         (fxam<mode>2_i387_with_temp): New insn and split pattern.
11202         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
11203         memory using fxam<mode>2_i387_with_temp to remove excess precision.
11205 2009-02-19  Richard Guenther  <rguenther@suse.de>
11207         PR tree-optimization/39207
11208         PR tree-optimization/39074
11209         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
11210         storedanything_tree): New.
11211         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
11212         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
11213         (build_succ_graph): Add edges from STOREDANYTHING to all
11214         non-direct nodes.
11215         (init_base_vars): Initialize STOREDANYTHING.
11216         (compute_points_to_sets): Free substitution info after
11217         building the succ graph.
11218         (ipa_pta_execute): Likewise.
11220         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
11221         field.
11222         (do_ds_constraint): Do not add to special var or non-pointer
11223         field solutions.
11224         (type_could_have_pointers): Split out from ...
11225         (could_have_pointers): ... here.  For arrays use the element type.
11226         (create_variable_info_for): Initialize may_have_pointers.
11227         (new_var_info): Likewise.
11228         (handle_lhs_call): Make the HEAP variable unknown-sized.
11229         (intra_create_variable_infos): Use a type with pointers for
11230         PARM_NOALIAS, make it unknown-sized.
11232 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11234         PR target/39224
11235         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
11237 2009-02-18  Jason Merrill  <jason@redhat.com>
11239         PR target/39179
11240         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
11241         value if DECL_EXTERNAL.
11242         * tree-sra.c (sra_walk_gimple_assign): Likewise.
11243         * target.h (gcc_target::binds_local_p): Clarify "module".
11244         * tree.h (TREE_PUBLIC): Clarify "module".
11246 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
11248         PR target/38891
11249         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
11250         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
11252 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
11254         PR target/39082
11255         * c.opt (Wabi): Support C and ObjC.
11256         (Wpsabi): New.
11258         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
11260         * config/i386/i386.c (classify_argument): Warn once about the ABI
11261         change when passing union with long double.
11263         * doc/invoke.texi: Update -Wabi for warning psABI changes.
11265 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
11267         PR c/35447
11268         * c-parser.c (c_parser_compound_statement): Always enter and leave
11269         a scope.
11271 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11273         PR target/34587
11274         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
11276 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
11278         PR tree-optimization/36922
11279         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
11280         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
11281         Likewise.
11283 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11285         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
11286         to 0 for EABI64.
11288 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11290         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
11292 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11294         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
11295         tree sharing.
11297 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
11298             Richard Sandiford  <rdsandiford@googlemail.com>
11300         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
11301         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
11302         (loongson_biadd): ...this.
11304 2009-02-17  Richard Guenther  <rguenther@suse.de>
11306         PR tree-optimization/39202
11307         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
11308         a var make sure to follow existing collapses.
11310 2009-02-17  Richard Guenther  <rguenther@suse.de>
11312         PR middle-end/39214
11313         * langhooks.c (lhd_print_error_function): Check for NULL block.
11315 2009-02-17  Richard Guenther  <rguenther@suse.de>
11317         PR tree-optimization/39204
11318         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
11319         of the PHI arg.
11321 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
11323         * config/soft-fp/double.h: Update from glibc CVS.
11325 2009-02-17  Richard Guenther  <rguenther@suse.de>
11327         PR tree-optimization/39207
11328         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
11329         strict-aliasing warnings for pointers pointing to NULL.
11331 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
11333         PR c/35446
11334         * c-parser.c (c_parser_braced_init): Call pop_init_level when
11335         skipping until next close brace.
11337 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
11339         PR target/37049
11340         * config/i386/i386.c (ix86_expand_push): Set memory alignment
11341         to function argument boundary.
11343 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11345         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
11346         in the lea_add. Reload eventually constraints it properly.
11347         * config/picochip/constraints.md: Remove the target constraint
11348         "b", since it is not needed anymore.
11350 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
11352         * gthr-dce.h: Uglify function parameter and local variable names.
11353         * gthr-gnat.h: Likewise.
11354         * gthr-mipssde.h: Likewise.
11355         * gthr-nks.h: Likewise.
11356         * gthr-posix95.h: Likewise.
11357         * gthr-posix.h: Likewise.
11358         * gthr-rtems.h: Likewise.
11359         * gthr-single.h: Likewise.
11360         * gthr-solaris.h: Likewise.
11361         * gthr-tpf.h: Likewise.
11362         * gthr-vxworks.h: Likewise.
11363         * gthr-win32.h: Likewise.
11365 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
11367         PR target/39196
11368         * config/i386/i386.md: Restrict the new peephole2 to move
11369         between MMX/SSE registers.
11371 2009-02-15  Richard Guenther  <rguenther@suse.de>
11373         Revert
11374         2009-02-13  Richard Guenther  <rguenther@suse.de>
11376         * configure.ac: Enable LFS.
11377         * configure: Re-generate.
11378         * config.in: Likewise.
11380 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11382         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
11383         spu_srqwbyte, spu_srqwbytebc): Define.
11384         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
11385         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
11386         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
11387         "shrqby_<mode>"): New insn-and-split patterns.
11388         * config/spu/spu.c (expand_builtin_args): Determine and return
11389         number of operands using spu_builtin_description data.
11390         (spu_expand_builtin_1): Use it.
11392 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
11394         PR target/38056
11395         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
11396         TARGET_CONST_GP.
11398 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11400         PR target/39149
11401         * config/i386/i386.c (override_options): Correct warning
11402         messages for -malign-loops, -malign-jumps and -malign-functions.
11404 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11406         PR target/39152
11407         * config/i386/i386.md: Restrict the new peephole2 to move
11408         between the general purpose registers.
11410 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11412         PR target/39162
11413         * config/i386/i386.c (type_natural_mode): Add a new argument.
11414         Return the original mode and warn ABI change if vector size is 32byte.
11415         (function_arg_advance): Updated.
11416         (function_arg): Likewise.
11417         (ix86_function_value): Likewise.
11418         (ix86_return_in_memory): Likewise.
11419         (ix86_sol10_return_in_memory): Likewise.
11420         (ix86_gimplify_va_arg): Likewise.
11421         (function_arg_32): Don't warn ABX ABI change here.
11422         (function_arg_64): Likewise.
11424 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
11426         * loop-iv.c (implies_p): In the final case, test that operands 0
11427         of the two comparisons match.
11429         * config/bfin/bfin.c (find_prev_insn_start): New function.
11430         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
11431         (find_next_insn_start): Move.
11433 2009-02-13  Richard Guenther  <rguenther@suse.de>
11435         * configure.ac: Enable LFS.
11436         * configure: Re-generate.
11437         * config.in: Likewise.
11439 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
11441         PR c/35444
11442         * c-parser.c (c_parser_parms_list_declarator): Discard pending
11443         sizes on syntax error after some arguments have been parsed.
11445 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11447         * doc/invoke.texi (-fira): Remove.
11449 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11451         * caller-save.c: Replace regclass.c with reginfo.c in comments.
11452         * recog.c: Likewise.
11453         * rtl.h: Likewise.
11455 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
11457         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
11458         (umul_ppmm): Likewise.
11459         (count_leading_zeros): Likewise.
11460         (count_trailing_zeros): Likewise.
11461         (UMUL_TIME): Likewise.
11463 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11465         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
11466         soft-fp/t-softfp to tmake_file.
11468         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
11469         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
11470         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
11471         IA64_BUILTIN_INFQ]: New.
11472         (ia64_init_builtins): Initialize __builtin_infq,
11473         __builtin_fabsq and __builtin_copysignq if not HPUX.
11474         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
11475         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
11477         * config/ia64/lib1funcs.asm (__divtf3): Define only if
11478         SHARED is defined.
11479         (__fixtfti): Likewise.
11480         (__fixunstfti): Likewise.
11481         (__floattitf): Likewise.
11483         * config/ia64/libgcc-glibc.ver: New.
11484         * config/ia64/t-fprules-softfp: Likewise.
11485         * config/ia64/sfp-machine.h: Likewise.
11487         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
11488         (LIBGCC2_TF_CEXT): Likewise.
11489         (TF_SIZE): Likewise.
11490         (TARGET_INIT_LIBFUNCS): Likewise.
11492         * config/ia64/t-glibc (SHLINB_MAPFILES):
11493         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
11495 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11497         * config/i386/i386.c (construct_container): Rewrite processing
11498         BLKmode with X86_64_SSE_CLASS.
11500 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
11502         PR target/39152
11503         * config/i386/i386.md: Replace simplify_replace_rtx with
11504         replace_rtx in the new peephole2.
11506 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
11508         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
11509         loop unrolling do not happen at -O2.
11511 2009-02-12  Michael Matz  <matz@suse.de>
11513         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
11515 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11517         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
11518         for -g3.
11520 2009-02-12  Ben Elliston  <bje@au.ibm.com>
11522         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
11523         patterns when updating the back chain.  Missed in the 2009-02-10
11524         change.
11526 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
11528         * doc/extend.texi (Decimal Floating Types): Update identifier of
11529         draft TR and list of missing support.
11531 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
11533         PR middle-end/39154
11534         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
11535         bit to variable length decl's flags, add it also to its
11536         pointer replacement variable.
11538 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
11539             Jakub Jelinek  <jakub@redhat.com>
11541         PR target/39118
11542         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
11543         (memory_blockage): New expander.
11544         (*memory_blockage): New insn pattern.
11545         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
11546         instead of general blockage at the end of function prologue when
11547         frame pointer is used to access red zone area.  Do not emit blockage
11548         when profiling, it is emitted in generic code.
11549         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
11550         function epilogue when frame pointer is used to access red zone area.
11552 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
11554         PR target/38824
11555         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
11556         by arithmetic with memory operands.
11557         * config/i386/predicates.md (commutative_operator): New.
11559 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
11561         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
11562         bulleted lists.
11564 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11566         * alias.h (record_alias_subset): Declare.
11567         * alias.c (record_alias_subset): Make global.
11569 2009-02-10  Nick Clifton  <nickc@redhat.com>
11571         * tree-parloops.c: Change license to GPLv3.
11572         * ipa-struct-reorg.c: Change license to GPLv3.
11573         * ipa-struct-reorg.h: Change license to GPLv3.
11575 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
11577         PR c/39084
11578         * c-decl.c (start_struct): Return NULL on error.
11580 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
11582         PR middle-end/39124
11583         * cfgloopmanip.c (remove_path): Call remove_bbs after
11584         cancel_loop_tree, not before it.
11586         PR target/39139
11587         * function.h (struct function): Add has_local_explicit_reg_vars bit.
11588         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
11589         VAR_DECLs were seen.
11590         * tree-ssa-live.c (remove_unused_locals): Recompute
11591         cfun->has_local_explicit_reg_vars.
11592         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
11593         copies or clearings if cfun->has_local_explicit_reg_vars.
11595 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
11597         PR target/39118
11598         * config/i386/i386.c (expand_prologue): Emit blockage at the end
11599         of function prologue when frame pointer is used to access
11600         red zone area.
11602 2009-02-10  Richard Guenther  <rguenther@suse.de>
11604         PR middle-end/39127
11605         * gimplify.c (gimple_regimplify_operands): Always look if
11606         we need to create a temporary.
11608 2009-02-10  Richard Guenther  <rguenther@suse.de>
11610         PR tree-optimization/39132
11611         * tree-loop-distribution.c (todo): New global var.
11612         (generate_memset_zero): Trigger TODO_rebuild_alias.
11613         (tree_loop_distribution): Return todo.
11615 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
11617         PR target/39119
11618         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
11619         (x86_64_reg_class_name): Removed.
11620         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
11621         first one isn't X86_64_SSE_CLASS or any other ones aren't
11622         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
11623         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
11624         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
11625         and 3 X86_64_SSEUP_CLASS.
11626         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
11627         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
11629 2009-02-10  Ben Elliston  <bje@au.ibm.com>
11631         * config/rs6000/rs6000.md (allocate_stack): Always use an update
11632         form instruction to update the stack back chain word, even if the
11633         user has disabled the generation of update instructions.
11634         (movdi_<mode>_update_stack): New.
11635         (movsi_update_stack): Likewise.
11636         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
11637         always use an update form instruction to update the stack back
11638         chain word.
11640 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
11642         PR middle-end/38953
11643         * graphite.c (if_region_set_false_region): After moving a region in
11644         the false branch of a condition, remove the empty dummy basic block.
11645         (gloog): Remove wrong fix for PR38953.
11647 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11649         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
11650         generation due to implicit sign extension.
11652 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
11654         PR middle-end/38981
11655         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
11656         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
11658 2009-02-09  Richard Guenther  <rguenther@suse.de>
11660         PR middle-end/35202
11661         * convert.c (convert_to_real): Disable (float)fn((double)x)
11662         to fnf(x) conversion if errno differences may occur and
11663         -fmath-errno is set.
11665 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
11667         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
11668         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11669         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11671 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11673         PR c/35434
11674         * c-common.c (handle_alias_attribute): Disallow attribute for
11675         anything not a FUNCTION_DECL or VAR_DECL.
11677 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
11679         PR c/39035
11680         * real.c (do_compare): Special-case compare of zero against
11681         decimal float value.
11683 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11685         PR c/36432
11686         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
11687         as indicating flexible array members unless the field itself is
11688         being declarared as the incomplete array.
11690 2009-02-06  Jan Hubicka  <jh@suse.cz>
11692         PR tree-optimization/38844
11693         * ipa-inline.c (try_inline): Stop inlining recursion when edge
11694         is already inlined.
11696 2009-02-06  Richard Guenther  <rguenther@suse.de>
11698         PR middle-end/38977
11699         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
11700         fork because we may expand it as __gcov_fork.
11702 2009-02-06  Nick Clifton  <nickc@redhat.com>
11704         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
11706 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
11708         PR tree-optimization/35659
11709         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
11710         vn_phi_eq): Shortcut if hashcode does not match.
11711         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
11712         NULL operands.
11713         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
11714         and avoid iterative_hash_expr.
11715         (FOR_EACH_VALUE_ID_IN_SET): New.
11716         (value_id_compare): Remove.
11717         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
11718         sort expressions by value id.
11720 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
11722         PR target/38991
11723         * config/sh/predicates.md (general_movsrc_operand): Don't check
11724         the subreg of system registers here.
11726 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
11728         PR c++/39106
11729         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
11730         on the copied decl.
11732 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
11734         PR rtl-optimization/39110
11735         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
11736         addresses, not aligned ones.
11738 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
11739             Richard Guenther  <rguenther@suse.de>
11741         PR tree-optimization/39100
11742         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
11743         comment says and add edges.
11745 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
11747         PR c/35435
11748         * c-common.c (handle_tls_model_attribute): Ignore attribute for
11749         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
11751 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
11753         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
11754         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
11755         register_bb_in_sese, new_sese, free_sese): Moved.
11756         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
11757         outermost_loop_in_scop, build_scop_iteration_domain,
11758         expand_scalar_variables_ssa_name, get_vdef_before_scop,
11759         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
11760         Use loop_in_sese_p instead of loop_in_scop_p.
11761         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
11762         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
11763         (scopdet_basic_block_info): Fix bug in scop detection.
11764         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
11765         eq_loop_to_cloog_loop): Remove.
11766         (nb_loops_around_loop_in_scop, nb_loop
11767         ref_nb_loops): Moved here...
11768         * graphite.h (ref_nb_loops): ... from here.
11769         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11770         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11771         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11772         * testsuite/gcc.dg/graphite/scop-19.c: New
11774 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11775             Hans-Peter Nilsson  <hp@axis.com>
11777         PR rtl-optimization/37889
11778         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11779         Move offset handling from PLUS to before the switch.  Use new
11780         arguments when considering SYMBOL_REFs too.
11781         (rtx_addr_can_trap_p): Pass dummy offset and size.
11782         (enum may_trap_p_flags): Remove.
11783         (may_trap_p_1): Pass size from MEM_SIZE.
11785         PR rtl-optimization/38921
11786         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11787         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11788         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11789         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11791 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11793         AVX Programming Reference (January, 2009)
11794         * config/i386/sse.md (*vpclmulqdq): New.
11796 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11798         PR tree-optimization/38977
11799         PR gcov-profile/38292
11800         * calls.c (special_function_p): Disregard __builtin_ prefix.
11802 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11804         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11805         non-indexable addresses even before reload.
11807 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11809         PR c/29129
11810         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11811         as having variable size.  Do not give an error for unnamed
11812         parameters with [*] declarators.  Give a warning for type names
11813         with [*] declarators and mark them as variable size.
11814         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11815         for sizeof applied to [*] type names.
11817 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11819         PR C++/36607
11820         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11822 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11824         * gcc.c (process_command): Update copyright notice dates.
11825         * gcov.c (print_version): Likewise.
11826         * gcov-dump.c (print_version): Likewise.
11827         * mips-tfile.c (main): Likewise.
11828         * mips-tdump.c (main): Likewise.
11830 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11832         PR c/35433
11833         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11834         for composite type involving a zero-length array type.
11836 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11838         PR target/35318
11839         * function.c (match_asm_constraints_1): Skip over
11840         initial optional % in the constraint.
11842         PR inline-asm/39059
11843         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11844         supported, don't accept FIXED_CSTs.
11845         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11846         and _Sat is used without _Fract/_Accum.  Set specs->type to
11847         integer_type_node for cts_fract/cts_accum if fixed point is not
11848         supported.
11850 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11852         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11854 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11856         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11857         (ABI_HAS_64BIT_SYMBOLS): Use it.
11858         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11860 2009-02-02  Paul Brook  <paul@codesourcery.com>
11862         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11864 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11866         PR inline-asm/39058
11867         * recog.h (asm_operand_ok): Add constraints argument.
11868         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11869         recurse on matching constraint.
11870         (check_asm_operands): Pass constraints as 3rd argument to
11871         asm_operand_ok.  Don't look up matching constraint here.
11872         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11873         to asm_operand_ok.
11875 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11877         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11878         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11880 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11882         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11883         information.  Remove some obsolete information.  Reorganize.
11885         * config/pa/fptr.c: Revert license to GPL 2.
11886         * config/pa/milli64.S: Likewise.
11888 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11890         PR target/38904
11891         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11892         LIBRARY name in, instead of hard-coding it.
11893         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11894         extra target make frag to tmake_files according to EH model.
11895         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11896         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11897         frags that define makefile variable EH_MODEL appropriately.
11898         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11899         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11900         to "-sjlj" according to type of EH configured.
11901         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11902         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11903         to "_sjlj" according to type of EH configured.
11904         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11905         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11906         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11907         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11908         string value of "pe_dll" command-line option.
11909         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11910         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11911         (SHLIB_IMPLIB):  Override t-cygming default.
11912         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11913         string value of "pe_dll" command-line option.
11915 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11917         PR target/38952
11918         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11919         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11921 2009-01-31  Richard Guenther  <rguenther@suse.de>
11923         PR tree-optimization/38937
11924         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11925         computing the transitive closure.
11927 2009-01-30  Richard Guenther  <rguenther@suse.de>
11929         PR tree-optimization/39041
11930         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11931         Propagate variable indices only if the types match for this stmt.
11933 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11935         PR target/39013
11936         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11937         inline but never defined.
11939 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11941         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11942         (*insv_h_di_reg_extimm): New insn.
11943         (*insv_l<mode>_reg_extimm): New insn.
11945 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11947         * config/picochip/picochip.c (flag_conserve_stack): set
11948         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11949         fconserve-stack. Reduce call-overhead used by inliner.
11951 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11953         PR/38157
11954         * common.opt (flag_conserve_stack): Initialised to zero.
11956 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11958         PR/39002
11959         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11960         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11961         method.
11963 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11965         * ira-color.c (allocno_reload_assign): Update comments.
11966         * regmove.c (regmove_optimize): Likewise.
11968         * ra.h: Removed.
11970 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11972         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11973         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11974         `MD_UNWIND_SUPPORT'.
11975         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11977 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11979         PR tree-optimization/39007
11980         * tree-loop-distribution.c (generate_builtin): Use
11981         recompute_dominator to compute the immediate dominator of the
11982         basic block just after the loop.
11984 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11986         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11987         (ASM_OUTPUT_DWARF_PCREL): Define.
11989 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11991         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11992         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11993         global.  Modify entries about regmove and IRA.
11995         * ra-conflict.c: Remove the file.
11997         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11999         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
12000         (pass_regclass_init): Rename to pass_reginfo_init.
12002         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
12004         * toplev.h (flag_ira): Remove.
12006         * caller-save.c (setup_save_areas): Remove flag_ira.
12008         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
12010         * global.c: Remove the file.
12012         * opts.c (decode_options): Remove flag_ira.
12014         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
12016         * regmove.c: Modify file description.
12017         (find_use_as_address, try_auto_increment): Define them only if
12018         AUTO_INC_DEC is defined.
12019         (replacement_quality, replace_in_call_usage, fixup_match_1,
12020         stable_and_no_regs_but_for_p): Remove.
12021         (reg_set_in_bb): Make it static.
12022         (regmove_optimize): Remove flag_ira and code which worked for
12023         !flag_ira.
12025         * local-alloc.c: Remove the file.
12027         * common.opt (fira): Remove.
12029         * ira.c: Include except.h.
12030         (eliminable_regset): Move from global.c.
12031         (mark_elimination): Ditto.  Remove flag_ira.
12032         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
12033         equiv_mem_modified, validate_equiv_mem_from_store,
12034         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
12035         contains_replace_regs, memref_referenced_p, memref_used_between_p,
12036         no_equiv, recorded_label_ref): Move from local-alloc.c.
12037         (update_equiv_regs): Ditto.  Make it static.
12038         (print_insn_chain, print_insn_chains): Move it from global.c.
12039         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
12040         (build_insn_chain): Ditto.  Make it static.
12041         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
12042         Rename to init_live_subregs.
12043         (gate_ira): Remove flag_ira.
12045         * regclass.c: Rename reginfo.c.  Change file description.
12046         (FORBIDDEN_INC_DEC_CLASSES): Remove.
12047         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
12048         (init_reg_sets_1): Remove code for evaluation of
12049         reg_class_superclasses and losing_caller_save_reg_set.
12050         (init_regs): Remove init_reg_autoinc.
12051         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
12052         ok_for_base_p_nonstrict): Remove.
12053         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
12054         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
12055         corresponding entries.
12056         (dump_regclass, record_operand_costs, scan_one_insn,
12057         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
12058         record_address_regs, auto_inc_dec_reg_p): Remove.
12059         (gt-regclass.h): Rename to gt-reginfo.h.
12061         * rtl.h (dump_global_regs, retry_global_alloc,
12062         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
12064         * Makefile.in (RA_H): Remove.
12065         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
12066         Rename regclass.o to reginfo.o.
12067         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
12068         gt-reginfo.h.
12069         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
12070         (GTFILES): Rename regclass.c to reginfo.c.
12072         * passes.c (init_optimization_passes): Remove pass_local_alloc and
12073         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
12075         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12076         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
12077         Remove flag_ira.
12078         (finish_spills): Ditto.  Remove code for !flag_ira.
12080 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
12082         PR middle-end/35854
12083         * doc/invoke.texi (rtl debug options): Complete rewrite.
12084         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
12085         to auto_inc_dec".
12086         * mode-switching.c (pass_mode_switching): Rename pass from
12087         "mode-sw" to "mode_sw".
12088         * except.c (pass_convert_to_eh_ranges): Rename pass from
12089         "eh-ranges" to "eh_ranges".
12090         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
12091         to "subreg1".
12094 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
12095             Alexander Monakov  <amonakov@ispras.ru>
12097         PR middle-end/38857
12098         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
12099         register.
12100         (move_exprs_to_boundary): Change return type and pass through
12101         should_move from move_op.  Relax assert.  Update usage ...
12102         (schedule_expr_on_boundary): ... here.  Use should_move instead of
12103         cant_move.
12104         (move_op_orig_expr_found): Indicate that insn was disconnected from
12105         stream.
12106         (code_motion_process_successors): Do not call after_merge_succs
12107         callback if original expression was not found when traversing any of
12108         the branches.
12109         (code_motion_path_driver): Change return type.  Update prototype.
12110         (move_op): Update comment.  Add a new parameter (should_move).  Update
12111         prototype.  Set *should_move based on indication provided by
12112         move_op_orig_expr_found.
12114 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
12116         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
12117         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
12118         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
12119         * config/rs6000/rs6000.c (rs6000_override_options): Default
12120         avoid-indexed-addresses on for Power6, off for everything else.
12121         (avoiding_indexed_address_p): New function.
12122         (rs6000_legitimize_address): Use it.
12123         (rs6000_legitimate_address): Likewise.
12124         * config/rs6000/rs6000.md (movXX_updateX): Likewise
12126 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
12128         PR tree-optimization/38997
12129         * tree-loop-distribution.c (generate_memset_zero): Use
12130         POINTER_PLUS_EXPR for a pointer addition.
12132 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
12134         * config/s390/s390.md (bswap<mode>2): New pattern added.
12136 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12138         * config/s390/s390.md (*tls_load_31): Added type attribute.
12140 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12142         * config/s390/s390.md: Fix a few comments.
12144 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
12146         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
12147         (*tm<mode>_full): Fixed z10prop attribute.
12148         (*tst<mode>_extimm): Fixed z10prop attribute.
12149         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
12150         (*tstqiCCT_cconly): Fixed z10prop attribute.
12151         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
12152         (*movsi_larl): Fixed z10prop attribute.
12153         (*movsi_zarch): Fixed z10prop attribute.
12154         (*movsi_eas): Fixed z10prop attribute.
12155         (*movhi): Fixed z10prop attribute.
12156         (*movqi): Fixed z10prop attribute.
12157         (*movstrictqi): Fixed z10prop attribute.
12158         (*mov<mode>): Fixed z10prop attribute.
12159         (*movcc): Fixed z10prop attribute.
12160         (*sethighpartdi_64): Fixed z10prop attribute.
12161         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
12162         (*negdi2_sign_cc): Fixed z10prop attribute.
12163         (*negdi2_sign): Fixed z10prop attribute.
12164         (*absdi2_sign_cc): Fixed z10prop attribute.
12165         (*absdi2_sign): Fixed z10prop attribute.
12166         (*negabsdi2_sign_cc): Fixed z10prop attribute.
12167         (*negabsdi2_sign): Fixed z10prop attribute.
12168         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
12169         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
12170         (doloop_si64): Fixed z10prop attribute.
12171         (doloop_si31): Fixed z10prop attribute.
12172         (doloop_long): Fixed z10prop attribute.
12173         (indirect_jump): Fixed z10prop attribute.
12174         (nop): Fixed z10prop attribute.
12175         (main_base_64): Fixed z10prop attribute.
12176         (reload_base_64): Fixed z10prop attribute.
12178 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12180         PR rtl-optimization/38740
12181         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
12182         if !optimize.
12183         * config/mips/mips.c (mips_reorg): Likewise.
12185 2009-01-28  Richard Guenther  <rguenther@suse.de>
12187         PR tree-optimization/38926
12188         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
12189         with the correct value id to a value.
12190         (do_regular_insertion): Use the value number of edoubleprime
12191         for the value number of the expr.
12193         Revert
12194         2008-08-21  Richard Guenther  <rguenther@suse.de>
12196         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
12197         a PHI ask VN if it is already available.
12198         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
12199         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
12201 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
12203         PR middle-end/38934
12204         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
12205         set to varying whenever max has TREE_OVERFLOW set, similarly
12206         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
12208 2009-01-28  Richard Guenther  <rguenther@suse.de>
12210         PR middle-end/38908
12211         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
12212         uninitialized aggregate uses in call arguments.
12214 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
12216         PR tree-optimization/38984
12217         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
12218         the nothing_id variable if -fno-delete-null-pointer-checks.
12220 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
12222         PR target/38988
12223         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
12224         (set_got_offset_rex64): Ditto.
12226 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
12228         PR target/38941
12229         * doc/extend.texi: Improve local variable with asm reg.
12231 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
12233         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
12234         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
12235         was not supplied then set warn_packed_bitfield_compat to the
12236         default value of 1.
12237         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
12238         against 1.
12240 2009-01-27  Richard Guenther  <rguenther@suse.de>
12242         PR tree-optimization/38503
12243         * cfgexpand.c (expand_gimple_basic_block): Ignore
12244         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
12245         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
12246         variables that cannot have TBAA applied.
12247         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
12248         statements.
12250 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
12252         PR middle-end/38969
12253         * calls.c (initialize_argument_information): Do not wrap complex
12254         arguments in SAVE_EXPR.
12256 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
12258         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
12259         (INSTALL_LIBGCC): Revert typo commit.
12261 2009-01-26  Richard Guenther  <rguenther@suse.de>
12263         PR tree-optimization/38745
12264         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
12265         from special handling.
12267 2009-01-26  Richard Guenther  <rguenther@suse.de>
12269         PR tree-optimization/38745
12270         * tree-ssa.c (execute_update_addresses_taken): Do not include
12271         variables that cannot possibly be a register in not_reg_needs.
12272         Do not clear TREE_ADDRESSABLE on vars that may not become
12273         registers.
12274         * tree-ssa.c (update_alias_info_1): Include those in the set
12275         of addressable vars.
12277 2009-01-26  Richard Guenther  <rguenther@suse.de>
12279         PR middle-end/38851
12280         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
12281         * tree-ssa-dse.c: Include langhooks.h
12282         (execute_simple_dse): Remove stores with zero size.
12284 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
12286         PR c/38957
12287         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
12288         as PLUS_EXPR.
12290 2009-01-24  Julian Brown  <julian@codesourcery.com>
12292         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
12293         config/arm/linux-atomic.c.
12294         * config/arm/linux-atomic.c: New.
12296 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
12298         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
12299         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
12300         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
12302 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12304         PR c/38938
12305         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
12306         properly.
12308 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
12310         PR tree-optimization/38953
12311         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
12312         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
12313         (gloog): Split the exit of the scop when the scop exit is a loop exit.
12314         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
12315         changed the CFG.
12317 2009-01-24  Paul Brook  <paul@codesourcery.com>
12319         * config/arm/neon.md (neon_type): Move to arm.md.
12320         (neon_mov<VSTRUCT>): Add neon_type attribute.
12321         * config/arm/arm.md (neon_type): Move to here.
12322         (conds): Add "unconditioal" and use as default for NEON insns.
12324 2009-01-24  Ben Elliston  <bje@au.ibm.com>
12326         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
12327         void *' warning from -Wc++-compat.
12328         * Makefile.in (dominance.o-warn): Remove.
12330 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
12332         PR tree-optimization/38932
12333         * fold-const.c (fold_unary_ignore_overflow): New.
12334         * tree.h (fold_unary_ignore_overflow): Declare.
12335         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
12336         * tree-ssa-sccvn.c (visit_reference_op_load,
12337         simplify_unary_expression): Likewise.
12339 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
12341         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
12342         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
12343         regardless of their type.
12344         * c-common.c (handle_packed_attribute): Don't ignore packed on
12345         bitfields.
12346         * c.opt (Wpacked-bitfield-compat): New warning option.
12347         * stor-layout.c (place_field): Warn if offset of a field changed.
12348         * doc/extend.texi (packed): Mention the ABI change.
12349         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
12350         (Warning Options): Add it to the list.
12352 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12354         * c-opts.c (c_common_post_options): Fix a typo in comments.
12356 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
12358         PR middle-end/38615
12359         * gimplify.c (gimplify_init_constructor): Fix promotion of const
12360         variables to static.
12361         * doc/invoke.texi (-fmerge-all-constants): Update description.
12363 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
12365         PR target/38931
12366         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
12367         (*movdi_1_rex64): Use type "mmx" for alternative 5.
12369 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
12371         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
12372         a word boundary.
12373         (LOCAL_ALIGNMENT): Similarly.
12375 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12376             Joseph Myers  <joseph@codesourcery.com>
12378         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
12379         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
12380         * config/arm/arm-tune.md: Regenerate.
12381         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
12382         -march=iwmmxt2.
12384 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12386         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
12387         version number to five.
12389 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
12391         PR c++/38930
12392         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
12393         * c-common.c (set_underlying_type): Likewise.
12394         (is_typedef_decl ): Likewise
12395         * tree.h: Likewise
12396         (set_underlying_type): Likewise.
12397         (is_typedef_type): Likewise.
12399 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
12401         PR middle-end/38587
12402         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
12403         crossing setjmps.
12405 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
12407         PR bootstrap/37660
12408         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
12409         (LIBGCC_SPEC):  Don't define.
12410         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
12412 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
12414         PR rtl-optimization/38879
12415         * alias.c (base_alias_check): Unaligned access via AND address can
12416         alias all surrounding object types except those with sizes equal
12417         or wider than the size of unaligned access.
12419 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
12421         PR c++/26693
12422         * c-decl.c (clone_underlying_type): Move this ...
12423         * c-common.c (set_underlying_type): ... here.
12424         Also, make sure the function properly sets TYPE_STUB_DECL() on
12425         the newly created typedef variant type.
12426         (is_typedef_decl ): New entry point.
12427         * tree.h: Added a new member member_types_needing_access_check to
12428         struct tree_decl_non_common.
12429         (set_underlying_type): New entry point.
12430         (is_typedef_type): Likewise.
12432 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
12434         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
12435         Check whether two instructions have memory references that
12436         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
12437         are helper functions for traversing.
12438         * alias.h (insn_alias_sets_confilict_p): New prototypes.
12439         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
12440         not to draw dependency edge for instructions with non-conflicting
12441         alias sets.
12443 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
12445         PR other/38758
12446         * longlong.h: Update copyright years.  Use soft-fp license notice.
12447         Sync __clz_tab declaration with glibc.
12449 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
12451         PR target/30687
12452         * doc/extend.texi (syscall_linkage): New.
12453         (version_id): Modify.
12455 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12456             Richard Guenther  <rguenther@suse.de>
12458         PR tree-optimization/38747
12459         PR tree-optimization/38748
12460         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
12461         conversion if the base address is an indirect reference and the
12462         aliasing sets could cause issues.
12464 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12466         * common.opt (fgraphite, fgraphite-identity): Add comment for
12467         explaining why these options are not documented.
12469 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12471         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
12472         gimple_call_lhs is NULL.
12474 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
12476         PR target/38868
12477         * emit-rtl.c (adjust_address_1): Make sure memref is never
12478         overwritten.
12480 2009-01-20  Ben Elliston  <bje@au.ibm.com>
12482         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12483         const qualifier from arg parameter. Remove unnecessary cast to char *.
12484         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12485         const qualifier from arg 2.
12487 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
12489         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
12491 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12493         PR c/38869
12494         * rtl.h (reinit_regs): New prototype.
12495         * regclass.c: Include ira.h.
12496         (reinit_regs): New.
12497         * Makefile.in (regclass.o): Add ira.h.
12498         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
12500 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
12502         PR target/38736
12503         * c-common.c (handle_aligned_attribute): Use
12504         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
12505         default alignment value.
12507         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
12509         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
12510         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
12512         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
12513         __BIGGEST_ALIGNMENT__.
12515         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
12517 2009-01-18  Richard Guenther  <rguenther@suse.de>
12519         PR tree-optimization/38819
12520         * tree-flow.h (operation_could_trap_helper_p): Declare.
12521         * tree-eh.c (operation_could_trap_helper_p): Export.
12522         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
12523         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
12524         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
12525         are about to insert a possibly trapping instruction and fail
12526         in this case.
12528 2009-01-18  Andreas Schwab  <schwab@suse.de>
12530         * doc/install.texi (Configuration): Remove obsolete paragraph
12531         about use of --with-gnu-ld with --with-gnu-as.
12533 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
12535         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
12536         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
12537         Follow spelling conventions.
12539 2009-01-18  Ben Elliston  <bje@au.ibm.com>
12541         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
12542         C++ warning about implicit conversion from void * to struct
12543         bitmap_head_def *.
12544         (bitmap_obstack_free): Likewise for bitmap_element *.
12545         * Makefile.in (bitmap.o-warn): Remove.
12547 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
12549         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
12551 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
12552             Tobias Grosser  <tobi.grosser@amd.com>
12554         * graphite.c (graphite_trans_scop_block): Do not block single
12555         nested loops.
12557 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
12559         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
12560         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
12561         test with assertion.
12563 2009-01-16  Richard Guenther  <rguenther@suse.de>
12565         PR tree-optimization/38835
12566         PR middle-end/36227
12567         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
12568         and INT + PTR -> (INT)(PTR p+ INT) folding.
12569         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
12571 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
12573         PR target/38554
12574         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
12575         the subreg from a lowpart subreg if it is also casting the value.
12577 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12578             Tobias Grosser  <tobi.grosser@amd.com>
12580         * graphite.c (compare_prefix_loops): New.
12581         (build_scop_canonical_schedules): Rewritten.
12582         (graphite_transform_loops): Move build_scop_canonical_schedules
12583         after build_scop_iteration_domain.
12585 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12586             Tobias Grosser  <tobi.grosser@amd.com>
12588         * graphite.c (add_conditions_to_domain): Add the loops to
12589         the dimension of the iteration domain.  Do copy the domain
12590         only when it exists.
12591         (build_scop_conditions_1): Do not call add_conditions_to_domain.
12592         (add_conditions_to_constraints): New.
12593         (can_generate_code_stmt, can_generate_code): Removed.
12594         (gloog): Do not call can_generate_code.
12595         (graphite_transform_loops): Call add_conditions_to_constraints
12596         after building the iteration domain.
12598 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
12600         PR tree-optimization/38789
12601         * tree-ssa-threadedge.c
12602         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12603         __builtin_constant_p.
12605 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
12607         * dce.c (delete_unmarked_insns): Reversed the order that insns are
12608         examined before deleting them.
12610 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
12612         * function.c (aggregate_value_p): Correctly extract the function
12613         type from CALL_EXPR_FN lookup.
12615 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12617         * config/picochip/picochip.c (picochip_override_options): Revert
12618         CFI asm flag disable commited previously.
12620 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12621             Tobias Grosser  <tobi.grosser@amd.com>
12622             Jan Sjodin  <jan.sjodin@amd.com>
12624         * graphite.c (scan_tree_for_params): On substractions negate
12625         all the coefficients of the term.
12626         (clast_to_gcc_expression_red): New.  Handle reduction expressions
12627         of more than two operands.
12628         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
12629         (get_vdef_before_scop): Handle also the case of default definitions.
12631 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12633         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
12634         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
12635         Also use them when walking CALL_INSN_FUNCTION_USAGE.
12637 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
12638             Joey Ye  <joey.ye@intel.com>
12640         PR middle-end/37843
12641         * cfgexpand.c (expand_stack_alignment): Don't update stack
12642         boundary nor check incoming stack boundary here.
12643         (gimple_expand_cfg): Update stack boundary and check incoming
12644         stack boundary here.
12646 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
12648         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
12650 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
12652         PR rtl-optimization/38245
12653         * calls.c (expand_call): Add stack arguments to
12654         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12655         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
12656         in regs and partially in memory or BLKmode arguments.
12657         (emit_library_call_value_1): Add stack arguments to
12658         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12659         ACCUMULATE_OUTGOING_ARGS).
12660         * dce.c: Include tm_p.h.
12661         (find_call_stack_args): New function.
12662         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
12663         argument.
12664         (mark_insn): Call find_call_stack_args for CALL_Ps.
12665         (prescan_insns_for_dce): Walk insns backwards in bb rather than
12666         forwards.  Allocate and free arg_stores bitmap if needed, pass it
12667         down to deletable_insn_p, don't mark stores set in arg_stores
12668         bitmap, clear the bitmap at the beginning of each bb.
12669         * Makefile.in (dce.o): Depend on $(TM_P_H).
12671 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
12673         PR target/22599
12674         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
12675         to make sure the insn is a conditional test (bug 22599).  Reformat a
12676         few long lines.
12678 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
12680         PR middle-end/38431
12681         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
12682         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
12683         (gloog): Do not call cleanup_tree_cfg.
12684         (graphite_transform_loops): Call cleanup_tree_cfg after all
12685         scops have been code generated.
12687 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
12688         * doc/gty.texi (Invoking the garbage collector): Added new node
12689         and section documenting ggc_collect.
12691 2009-01-14  Richard Guenther  <rguenther@suse.de>
12693         PR tree-optimization/38826
12694         PR middle-end/38477
12695         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
12696         initialization notes only if we actually emitted a warning.
12697         (intra_create_variable_infos): Add constraints for a result decl
12698         that is passed by hidden reference.
12699         (build_pred_graph): Mark all related variables non-direct on
12700         address-taking.
12702 2009-01-14  Nick Clifton  <nickc@redhat.com>
12704         * ira-conflicts.c: Include addresses.h for the definition of
12705         base_reg_class.
12706         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
12707         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
12709 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
12711         PR target/38811
12712         * Makefile.in (ira-lives.o): Add except.h.
12714         * ira-lives.c: Include except.h.
12715         (process_bb_node_lives): Process can_throw_internal.
12717 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
12719         PR rtl-optimization/38774
12720         * combine.c (simplify_set): When undoing cc_use change, don't do
12721         PUT_CODE on the newly created comparison, but instead put back the
12722         old comparison.
12724 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
12726         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
12727         values.  Remove duplicate arm8 entry.
12729 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12731         PR tree-optimization/38786
12732         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
12733         the SSA_NAME case of expand_scalar_variables_expr.
12734         Set the type of an expression to the type of its assign statement.
12735         (expand_scalar_variables_expr): Also gather the scalar computation
12736         used to index the memory access.  Do not pass loop_p.
12737         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
12738         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
12739         the gimple_stmt_iterator where it inserts new code.
12740         Do not pass loop_p.
12741         (copy_bb_and_scalar_dependences): Do not pass loop_p.
12742         (translate_clast): Update call to copy_bb_and_scalar_dependences.
12744 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12746         * graphite.h (debug_value): Removed.
12747         * graphite.c (debug_value): Removed.
12749 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12751         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
12752         ldrd/strd with two 32-bit instructions.
12754 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12756         * config/arm/arm.c (struct processors): Pass for speed down into
12757         cost helper functions.
12758         (const_ok_for_op): Handle COMPARE and inequality nodes.
12759         (arm_rtx_costs_1): Rewrite.
12760         (arm_size_rtx_costs): Update prototype.
12761         (arm_rtx_costs): Pass speed down to helper functions.
12762         (arm_slowmul_rtx_costs): Rework cost calculations.
12763         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
12764         (arm_9e_rtx_costs): Likewise.
12766 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
12768         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12769         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12770         (alpha_legitimize_address): Do not split local symbols wider than
12771         UNITS_PER_WORD into HIGH/LO_SUM parts.
12773 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12775         PR bootstrap/38580
12776         * gcc.c (process_command): Replace call to execvp with calls
12777         to pex_one and exit.
12779 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12781         PR target/29141
12782         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12783         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12784         variant for devices with 3-byte PC.
12785         (__tablejump_elpm__): New.
12787 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12789         PR c/32041
12790         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12791         offsetof member-designator, handle it as `[0].'.
12793 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12795         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12796         function when not using named sections on targets with named sections
12797         if branch distance is less than 262132.
12799 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12801         * combine.c (combine_instructions):  Recompute
12802         optimize_this_for_speed_p  for each BB in the main combine loop.
12804 2009-01-12  Tomas Bily  <tbily@suse.cz>
12806         PR middlend/38385
12807         * tree-loop-distribution.c (prop_phis): New function.
12808         (generate_builtin): Call prop_phis.
12809         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12811 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12813         PR tree-optimization/38807
12814         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12815         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12817 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12819         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12820         subreg of op0 to the original op0.
12822 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12824         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12826 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12828         PR debug/7055
12829         * mips-tfile.c (parse_def): Fix parsing of def strings
12830         starting with digits.
12832 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12834         PR target/38695
12835         * config/arm/arm.c (arm_is_long_call_p): Don't call
12836         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12838 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12840         * regrename.c (regrename_optimize): Fix dumping.
12841         (find_oldest_value_reg): Preserve REG_POINTER.
12842         (copy_hardreg_forward_1): Likewise.
12844 2009-01-09  Diego Novillo  <dnovillo@google.com>
12846         * gimple.h (struct gimple_statement_base) <uid>: Document
12847         the restrictions on its use.
12848         (gimple_uid): Tidy.
12849         (gimple_set_uid): Tidy.
12851 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12853         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12854         zero guard even if align_bytes != 0 and count is smaller than
12855         size_needed.
12857 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12859         PR rtl-optimization/38495
12860         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12861         (add_range_and_copies_from_move_list): Print all added ranges.
12862         Add ranges to memory optimized destination.
12864 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12866         PR target/38686
12867         PR target/38708
12868         * config/i386/i386.c (override_options): Reject
12869         -mstringop-strategy=rep_8byte with -m32.
12870         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12871         to 1.  Do count comparison against epilogue_size_needed at compile
12872         time even when count_exp was constant forced into register.  For
12873         size_needed don't jump to epilogue, instead just avoid aligning
12874         and invoke the body algorithm.  If need_zero_guard, add zero guard
12875         even if count is non-zero, but smaller than size_needed + number of
12876         bytes that could be stored for alignment.
12877         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12878         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12879         but smaller than size_needed + number of bytes that could be stored
12880         for alignment.  Compare size_needed with epilogue_size_needed instead
12881         of desired_align - align, don't adjust size_needed, pass
12882         epilogue_size_needed to the epilogue expanders.
12884         PR c/35742
12885         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12887 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12889         * pa.c (last_address): Change to unsigned.
12890         (update_total_code_bytes): Change argument to unsigned.  Don't
12891         check if insn addresses are set.
12892         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12893         addresses are not set.
12894         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12896 2009-01-09  Nick Clifton  <nickc@redhat.com>
12898         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12899         DECL_DECLARED_INLINE_P.
12901 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12903         PR middle-end/38347
12904         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12905         GET_MODE (op0) in operand_subword_force calls.
12907         PR middle-end/38771
12908         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12909         fold_convert arg0 operands to TREE_TYPE (op0) first.
12911 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12913         * params.def (ira-max-conflict-table-size): Decrease default value
12914         to 1000.
12916 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12918         PR tree-optimization/37031
12919         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12920         on parameter_set.
12921         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12922         allocate it using gc instead of heap, use VEC_quick_push instead of
12923         VEC_safe_push.
12924         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12925         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12926         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12927         allocated vector from heap allocated.
12928         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12929         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12930         vector only after perfect_loop_nest_depth call.
12932 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12933             Jan Sjodin  <jan.sjodin@amd.com>
12935         PR tree-optimization/38559
12936         * graphite.c (debug_value, copy_constraint,
12937         swap_constraint_variables, scale_constraint_variable, ): New.
12938         (get_lower_bound, get_upper_bound): Removed.
12939         (graphite_trans_bb_strip_mine): Clean up this code that works
12940         only for constant number of iterations.  Fully copy upper and
12941         lower bound constraints, not only the constant part of them.
12942         * graphite.h (debug_value): Declared.
12944 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12946         PR tree-optimization/37194
12947         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12948         Don't add the cost of cost model guard in prologue to scalar
12949         outside cost in case of known number of iterations.
12951 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12952             Alan Modra  <amodra@bigpond.net.au>
12954         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12955         non-word-aligned REG+CONST addressing.
12957 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12959         PR target/38706
12960         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12961         free_after_compilation when outputting a thunk.
12962         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12963         Do not call free_after_compilation here.
12965 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12967         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12968         (ix86_valid_target_attribute_inner_p): Ditto.
12970 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12972         PR tree-optimization/38492
12973         PR tree-optimization/38498
12974         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12975         * tree-chrec.h (scev_is_linear_expression): Declared.
12976         * graphite.c (graphite_cannot_represent_loop_niter): New.
12977         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12978         (graphite_loop_normal_form): Use gcc_assert.
12979         (scan_tree_for_params): Use CASE_CONVERT.
12980         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12981         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12982         Use gcc_assert.  Discard scops that contain unhandled cases.
12983         (build_scop_conditions): Return a boolean status for unhandled cases.
12984         (strip_mine_profitable_p): Print the loop number, not its depth.
12985         (is_interchange_valid): Pass the depth of the loop nest, don't
12986         recompute it wrongly.
12987         (graphite_trans_bb_block): Same.
12988         (graphite_trans_bb_block): Print tentative of loop blocking.
12989         (graphite_trans_scop_block): Do not print that the loop has been
12990         blocked.
12991         (graphite_transform_loops): Do not handle scops that contain condition
12992         scalar phi nodes.
12994 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12996         AVX Programming Reference (December, 2008)
12997         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12998         (_mm256_stream_pd): Likewise.
12999         (_mm256_stream_ps): Likewise.
13001         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
13002         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
13003         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
13004         (bdesc_special_args): Add __builtin_ia32_movntdq256,
13005         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
13006         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
13007         (ix86_expand_special_args_builtin): Likewise.
13009         * config/i386/sse.md (AVXMODEDI): New.
13010         (avx_movnt<mode>): Likewise.
13011         (avx_movnt<mode>): Likewise.
13012         (<sse>_movnt<mode>): Remove AVX support.
13013         (sse2_movntv2di): Likewise.
13015 2009-01-07  Richard Guenther  <rguenther@suse.de>
13017         PR middle-end/38751
13018         * fold-const.c (extract_muldiv): Remove obsolete comment.
13019         (fold_plusminus_mult_expr): Undo MINUS_EXPR
13020         to PLUS_EXPR canonicalization for the canonicalization.
13022 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
13024         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
13025         hosted cross-compilers generating less efficient code.
13027 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13029         * function.h (rtl_data): Add a dbr_scheduled_p field.
13030         * reorg.c (dbr_schedule): Set it.
13031         (gate_handle_delay_slots): Check it.
13032         * config/mips/mips.c (mips_base_delayed_branch): Delete.
13033         (mips_reorg): Check flag_delayed_branch instead of
13034         mips_base_delayed_branch.
13035         (mips_override_options): Don't set mips_base_delayed_branch
13036         or flag_delayed_branch.
13038 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13040         PR rtl-optimization/38426.
13041         * ira.c (ira): Set current_function_is_leaf earlier.
13043 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
13045         PR rtl-optimization/38722
13046         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
13047         too early, only set a flag and modify after last possible
13048         undo_all point.
13050 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
13052         PR c/34252
13053         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
13054         * real.c (decimal_single_format): Correct values of emin and emax.
13055         (decimal_double_format): Ditto.
13056         (decimal_quad_format): Ditto.
13057         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
13058         computation of DECnn_MIN and DECnn_MAX for corrected values of
13059         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
13060         __DECnn_MIN__, and adjust its computation for the corrected value
13061         of emin.
13063 2009-01-06  Jan Hubicka  <jh@suse.cz>
13065         PR target/38744
13066         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
13068 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
13070         * doc/contrib.texi (Contributors): Slightly adjust the end note.
13071         Add Robert Clark to the list of testers.
13073 2009-01-06  Jan Hubicka  <jh@suse.cz>
13074             Kai Tietz  <kai.tietz@onevision.com>
13076         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
13077         * config/i386/i386.c (ix86_expand_call): Add clobbers.
13079 2009-01-06  Jan Hubicka  <jh@suse.cz>
13080             Kai Tietz  <kai.tietz@onevision.com>
13082         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
13083         for w64 ABI.
13084         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
13085         (ix86_nsaved_regs): Count only general purpose regs.
13086         (ix86_nsaved_sseregs): New.
13087         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
13088         to 16 for w64; compute padding and size of sse reg save area.
13089         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
13090         general purpose regs.
13091         (ix86_emit_save_sse_regs_using_mov): New.
13092         (ix86_expand_prologue): Save SSE regs if needed.
13093         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
13094         (ix86_emit_restore_sse_regs_using_mov): New.
13095         (ix86_expand_epilogue): Save SSE regs if needed.
13097 2009-01-06  Jan Hubicka  <jh@suse.cz>
13098             Kai Tietz  <kai.tietz@onevision.com>
13100         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
13101         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
13102         functions when accumulate outgoing args is off.
13104 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13106         PR bootstrap/38742
13107         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
13108         before using pseudos_have_intersected_live_ranges_p.
13110         * ira-int.h (ira_assert): Always define.
13112 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
13114         AVX Programming Reference (December, 2008)
13115         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
13116         (_mm256_permute2_pd): Likewise.
13117         (_mm_permute2_ps): Likewise.
13118         (_mm256_permute2_ps): Likewise.
13119         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
13120         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
13122         * config/i386/i386.c (ix86_builtins): Remove
13123         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
13124         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
13125         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
13126         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
13127         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
13128         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
13129         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
13130         __builtin_ia32_vpermil2ps256.
13131         (ix86_init_mmx_sse_builtins): Updated.
13132         (ix86_expand_args_builtin): Likewise.
13134 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13136         * pa.c (output_call): Relocate non-jump insns in the delay slot of
13137         long absolute calls when generating PA 2.0 code.
13139 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
13141         PR rtl-optimization/38583
13142         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
13144         * params.def (ira-max-conflict-table-size): New.
13146         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
13148         * ira.h (ira_conflicts_p): New external definition.
13150         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
13151         table.  Report this.  Return result of building.
13152         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
13153         building conflict table.
13155         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
13156         (ira_color): Use ira_conflicts_p.
13158         * global.c: Include ira.h.
13159         (pseudo_for_reload_consideration_p, build_insn_chain): Use
13160         ira_conflicts_p.
13162         * Makefile.in (global.o): Add ira.h.
13164         * ira-build.c (mark_all_loops_for_removal,
13165         propagate_some_info_from_allocno): New.
13166         (remove_unnecessary_allocnos): Call
13167         propagate_some_info_from_allocno.
13168         (remove_low_level_allocnos): New.
13169         (remove_unnecessary_regions): Add parameter.  Call
13170         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
13171         parameter to remove_unnecessary_regions.
13172         (ira_build): Remove all regions but root if the conflict table was
13173         not built.  Update conflict hard regs for allocnos crossing calls.
13175         * ira.c (ira_conflicts_p): New global.
13176         (ira): Define and use ira_conflicts_p.
13178         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
13179         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
13180         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
13182 2009-01-06  Ben Elliston  <bje@au.ibm.com>
13184         * gengtype-lex.l (YY_NO_INPUT): Define.
13186 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13188         PR c/34911
13189         * c-common.c (handle_vector_size_attribute): Also reject
13190         BOOLEAN_TYPE types.
13192 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
13194         PR tree-optimization/38492
13195         * graphite.c (rename_map_elt, debug_rename_elt,
13196         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
13197         rename_map_elt_info, eq_rename_map_elts,
13198         get_new_name_from_old_name, bb_in_sese_p): Moved around.
13199         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
13200         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
13201         (sese_build_livein_liveouts): New.
13202         (new_sese, free_sese): New.
13203         (new_scop): Call new_sese.
13204         (free_scop): Call free_sese.
13205         (rename_variables_from_edge, rename_phis_end_scop): Removed.
13206         (register_old_new_names): Renamed register_old_and_new_names.
13207         (register_scop_liveout_renames, add_loop_exit_phis,
13208         insert_loop_close_phis, struct igp,
13209         default_liveout_before_guard, add_guard_exit_phis,
13210         insert_guard_phis, copy_renames): New.
13211         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
13212         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
13213         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
13214         (scop_adjust_phis_for_liveouts): New.
13215         (gloog): Call scop_adjust_phis_for_liveouts.
13217         * graphite.h (struct sese): Documented.  Added fields liveout,
13218         num_ver and livein.
13219         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
13220         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
13221         (struct scop): Added field liveout_renames.
13222         (SCOP_LIVEOUT_RENAMES): New.
13224 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13226         PR tree-optimization/38510
13227         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
13228         (translate_clast): Call recompute_all_dominators before
13229         graphite_verify.
13230         (gloog): Call recompute_all_dominators before graphite_verify.
13232 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
13233             Jan Sjodin  <jan.sjodin@amd.com>
13235         PR tree-optimization/38500
13236         * graphite.c (create_sese_edges): Call fix_loop_structure after
13237         splitting blocks.
13239 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
13241         * config.gcc: Add m32r*-*-rtems*.
13242         * config/m32r/rtems.h: New file.
13244 2009-01-05  Ben Elliston  <bje@au.ibm.com>
13246         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
13247         (.po.pox): Likewise.
13248         (po/gcc.pot): Likewise.
13250 2009-01-04  David S. Miller  <davem@davemloft.net>
13252         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
13253         (STARTING_FRAME_OFFSET): Always set to zero.
13255 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13257         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
13258         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
13259         fixed-point types, and vectors of the same.
13261 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13263         * config/mips/sync.md (*mb_barrier): Rename to...
13264         (*memory_barrier): ...this.
13266 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
13268         * doc/extend.texi (Function Attributes): Move @cindex after @item
13269         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
13270         and put in alphabetical order. Fix 'target' name and put in order.
13271         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
13272         typos.
13274 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
13276         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
13277         (memory_barrier): Expand as unspec instead of unspec_volatile.
13278         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13279         (*memory_barrier): Define as unspec instead of unspec_volatile.
13280         Use (match_dup 0) as input operand.
13282         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
13283         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
13284         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
13285         scratch register.  Remove operand 1.
13286         (*stbar): Define as unspec instead of unspec_volatile.
13287         Use (match_dup 0) as input operand, remove (const_int 8).
13288         (*membar): Define as unspec instead of unspec_volatile.
13289         Use (match_dup 0) as input operand, remove input operand 2.
13291         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
13292         (memory_barrier): Expand as unspec instead of unspec_volatile.
13293         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13294         (*memory_barrier): Define as unspec instead of unspec_volatile.
13295         Use (match_dup 0) as input operand.
13297         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
13298         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13299         Set volatile flag on operand 0.
13300         (*memory_barrier): New insn pattern.
13302         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
13303         insn operands.
13304         (*memory_barrier): Use (match_dup 0) as input operand.
13306         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
13307         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13308         Set volatile flag on operand 0.
13309         (*mb_internal): New insn pattern.
13311         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
13313 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13315         PR middle-end/38586
13316         * function.c (struct temp_slot): Move to the section of the file
13317         that deals with temp slots.  Remove field 'address'.
13318         (temp_slot_address_table): New hash table of address -> temp slot.
13319         (struct temp_slot_address_entry): New struct, items for the table.
13320         (temp_slot_address_compute_hash, temp_slot_address_hash,
13321         temp_slot_address_eq, insert_temp_slot_address): Support functions
13322         for the new table.
13323         (find_temp_slot_from_address): Rewrite to use the new hash table.
13324         (remove_unused_temp_slot_addresses): Remove addresses of temp
13325         slots that have been made available.
13326         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
13327         worker function for remove_unused_temp_slot_addresses.
13328         (assign_stack_temp_for_type): Don't clear the temp slot address list.
13329         Add the temp slot address to the address -> temp slot map.
13330         (update_temp_slot_address): Update via insert_temp_slot_address.
13331         (free_temp_slots): Call remove_unused_temp_slot_addresses.
13332         (pop_temp_slots): Likewise.
13333         (init_temp_slots): Allocate the address -> temp slot map, or empty
13334         the map if it is already allocated.
13335         (prepare_function_start): Initialize temp slot processing.
13337 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13339         PR middle-end/38584
13340         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
13341         Calculate the size of all stack vars assuming no packing of stack
13342         vars will happen, replacing a quadratic algorithm with a linear one.
13344 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13346         PR target/38707
13347         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
13348         can't be used.
13350 2009-01-03  Diego Novillo  <dnovillo@google.com>
13352         * doc/contrib.texi: Update contributions.
13354 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13356         PR c++/38705
13357         * builtins.c (fold_builtin_memory_op): Give up if either operand
13358         is volatile.  Set srctype or desttype to non-qualified version
13359         of the other type.
13361         PR c/38700
13362         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
13363         and FUNCTION_DECLs.
13365 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
13367         PR rtl-optimization/35805
13368         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
13369         problem if fast dce is able to remove any instructions.
13370         * dce.c (dce_process_block): Fix dump message.
13372 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
13374         PR 33649
13375         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
13377 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
13379         PR middle-end/38690
13380         * tree-flow.h (op_code_prio, op_prio): New prototypes.
13381         * tree-pretty-print.c (op_code_prio): New function.
13382         (op_prio): No longer static.  Use op_code_prio.
13383         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
13384         Use op_prio and op_code_prio to determine if () should be
13385         printed around operand(s) or not.
13387         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
13388         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
13389         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
13390         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
13391         pp_character instead of pp_string for single letter printing.
13393 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13395         * doc/extend.texi: Fix '#pragma GCC option' typo.
13397 2009-01-02  Richard Guenther  <rguenther@suse.de>
13399         * doc/install.texi (--enable-checking): Mention different
13400         default for stage1.
13401         (--enable-stage1-checking): Document.
13403 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
13405         PR middle-end/30142
13406         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
13407         case to be an error.
13409 2009-01-02  Ben Elliston  <bje@au.ibm.com>
13411         * config/fp-bit.h (pack_d): Constify argument.
13412         * config/fp-bit.c (makenan): Constify return type. Remove casts.
13413         (isnan): Constify argument.
13414         (isinf): Likewise.
13415         (iszero): Likewise.
13416         (pack_d): Likewise.
13417         (_fpadd_parts): Constify return type.
13418         (_fpmul_parts): Likewise.
13419         (_fpdiv_parts): Likewise.
13421 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
13423         PR c/36489
13424         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
13425         warn about overwriting initializer with side-effects or
13426         -Woverride-init if !IMPLICIT.
13427         (output_init_element): Likewise.  Pass IMPLICIT down to
13428         add_pending_init.
13429         (process_init_element): Add IMPLICIT argument.  Pass it down
13430         to output_init_element.
13431         (push_init_element, pop_init_level, set_designator): Adjust
13432         process_init_element callers.
13433         (set_nonincremental_init, set_nonincremental_init_from_string):
13434         Adjust add_pending_init callers.
13435         (output_pending_init_elements): Adjust output_init_element callers.
13436         * c-tree.h (process_init_element): Adjust prototype.
13437         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
13438         process_init_element callers.
13441 Copyright (C) 2009 Free Software Foundation, Inc.
13443 Copying and distribution of this file, with or without modification,
13444 are permitted in any medium without royalty provided the copyright
13445 notice and this notice are preserved.