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1 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2
3         PR bootstrap/40027
4         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
5         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
6
7 2009-05-25  Ira Rosen  <irar@il.ibm.com>
8
9         PR tree-optimization/40238
10         * tree-vect-stmts.c (vect_init_vector): Insert initialization
11         statements after basic block's labels.
12         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
13         to free the allocated memory.
14
15 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
16
17         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
18         return address with a USE.
19
20 2009-05-24  Richard Guenther  <rguenther@suse.de>
21
22         PR middle-end/40233
23         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
24         array type from the main variant of the inner type.
25
26 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
27
28         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
29         definition to bool (from int) to un-break build.
30         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
31
32 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
33
34         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
35         discard_stmt_changes): Delete.
36         * tree-ssa-operands.c (scb_stack): Delete.
37         (init_ssa_operands): Do not initialize it.
38         (fini_ssa_operands): Do not free it.
39         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
40
41         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
42         update_stmt, remove the others.  Fix comments.
43         * tree-dfa.c (optimize_stack_restore): Likewise.
44         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
45         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
46         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
47         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
48         Likewise.
49         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
50         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
51         (dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
52         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
53         (stmts_to_rescan): Change item type to gimple.
54         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
55
56 2009-05-24  Ira Rosen  <irar@il.ibm.com>
57
58         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
59         * tree-pass.h (pass_slp_vectorize): New pass.
60         * params.h (SLP_MAX_INSNS_IN_BB): Define.
61         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
62         * tree-vectorizer.c (timevar.h): Include.
63         (user_vect_verbosity_level): Declare.
64         (vect_location): Fix comment.
65         (vect_set_verbosity_level): Update user_vect_verbosity_level
66         instead of vect_verbosity_level.
67         (vect_set_dump_settings): Add an argument. Ignore user defined
68         verbosity if dump flags require higher level of verbosity. Print to
69         stderr only for loop vectorization.
70         (vectorize_loops): Update call to vect_set_dump_settings.
71         (execute_vect_slp): New function.
72         (gate_vect_slp): Likewise.
73         (struct gimple_opt_pass pass_slp_vectorize): New.
74         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
75         access its members.
76         (vec_info_for_bb): New function.
77         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
78         (VECTORIZATION_ENABLED): New macro.
79         (SLP_ENABLED, SLP_DISABLED): Likewise.
80         (vect_is_simple_use): Add bb_vec_info argument.
81         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
82         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
83         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
84         vect_schedule_slp, vect_analyze_slp): Likewise.
85         (vect_analyze_stmt): Add slp_tree argument.
86         (find_bb_location): Declare.
87         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
88         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
89         (vect_analyze_loop_operations, vect_analyze_loop,
90         get_initial_def_for_induction, vect_create_epilog_for_reduction,
91         vect_finalize_reduction, vectorizable_reduction,
92         vectorizable_live_operation, vect_transform_loop): Likewise.
93         * tree-data-ref.c (dr_analyze_innermost): Update comment,
94         skip evolution analysis if analyzing a basic block.
95         (dr_analyze_indices): Likewise.
96         (initialize_data_dependence_relation): Skip the test whether the
97         object is invariant for basic blocks.
98         (compute_all_dependences): Skip dependence analysis for data
99         references in basic blocks.
100         (find_data_references_in_stmt): Don't fail in case of invariant
101         access in basic block.
102         (find_data_references_in_bb): New function.
103         (find_data_references_in_loop): Move code to
104         find_data_references_in_bb and add a call to it.
105         (compute_data_dependences_for_bb): New function.
106         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
107         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
108         that STEP is 0.
109         (vect_analyze_data_ref_dependence): Check for interleaving in case of
110         unknown dependence in basic block and fail in case of dependence in
111         basic block.
112         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
113         dependence instances from either loop or basic block vectorization
114         info.
115         (vect_compute_data_ref_alignment): Check if it is loop vectorization
116         before calling nested_in_vect_loop_p.
117         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
118         dependence instances from either loop or basic block vectorization
119         info.
120         (vect_verify_datarefs_alignment): Likewise.
121         (vect_enhance_data_refs_alignment): Adjust function calls.
122         (vect_analyze_data_refs_alignment): Likewise.
123         (vect_analyze_group_access): Fix printing. Skip different checks if
124         DR_STEP is 0. Keep strided stores either in loop or basic block
125         vectorization data structure. Fix indentation.
126         (vect_analyze_data_ref_access): Fix comments, allow zero step in
127         basic blocks.
128         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
129         dependence instances from either loop or basic block vectorization
130         info.
131         (vect_analyze_data_refs): Update comment. Call
132         compute_data_dependences_for_bb to analyze basic blocks.
133         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
134         case of loop vectorization. In case of basic block vectorization use
135         data-ref itself as a base.
136         (vect_create_data_ref_ptr): In case of basic block vectorization:
137         don't advance the pointer, add new statements before the current
138         statement.  Adjust function calls.
139         (vect_supportable_dr_alignment): Support only aligned accesses in
140         basic block vectorization.
141         * common.opt (ftree-slp-vectorize): New flag.
142         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
143         (vect_pattern_recog_1): Likewise.
144         * tree-vect-stmts.c (process_use): Likewise.
145         (vect_init_vector): Add new statements in the beginning of the basic
146         block in case of basic block SLP.
147         (vect_get_vec_def_for_operand): Adjust function calls.
148         (vect_finish_stmt_generation): Likewise.
149         (vectorizable_call): Add assert that it is loop vectorization, adjust
150         function calls.
151         (vectorizable_conversion, vectorizable_assignment): Likewise.
152         (vectorizable_operation): In case of basic block SLP, take
153         vectorization factor from statement's type and skip the relevance
154         check. Adjust function calls.
155         (vectorizable_type_demotion): Add assert that it is loop
156         vectorization, adjust function calls.
157         (vectorizable_type_promotion): Likewise.
158         (vectorizable_store): Check for outer loop only in case of loop
159         vectorization. Adjust function calls. For basic blocks, skip the
160         relevance check and don't advance pointers.
161         (vectorizable_load): Likewise.
162         (vectorizable_condition): Add assert that it is loop vectorization,
163         adjust function calls.
164         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
165         that it is not reduction, get vector type, call only supported
166         functions, skip loop specific parts.
167         (vect_transform_stmt): Check for outer loop only in case of loop
168         vectorization.
169         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
170         (vect_is_simple_use): Fix comment, add new argument, fix conditions
171         for external definition.
172         * passes.c (pass_slp_vectorize): New pass.
173         * tree-vect-slp.c (find_bb_location): New function.
174         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
175         check for patterns only in loops.
176         (vect_build_slp_tree): Add argument, adjust function calls, fail in
177         case of multiple types in basic block SLP.
178         (vect_mark_slp_stmts_relevant): New function.
179         (vect_supported_load_permutation_p): Fix comment.
180         (vect_analyze_slp_instance): Add argument. In case of basic block
181         SLP, take vectorization factor from statement's type, check that
182         unrolling factor is 1. Adjust function call. Save SLP instance in
183         either loop or basic block vectorization structure. Return FALSE,
184         if SLP failed.
185         (vect_analyze_slp): Add argument. Get strided stores groups from
186         either loop or basic block vectorization structure. Return FALSE
187         if basic block SLP failed.
188         (new_bb_vec_info): New function.
189         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
190         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
191         (vect_schedule_slp): Add argument. Get SLP instances from either
192         loop or basic block vectorization structure. Set vectorization factor
193         to be 1 for basic block SLP.
194         (vect_slp_transform_bb): New function.
195         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
196
197 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
198
199         * final.c (shorten_branches): Do not align labels for jump tables.
200         (final_scan_insn): Use JUMP_TABLE_DATA_P.
201
202 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
203
204         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
205         Remove outdated reference to flow.c and fix nits.
206         * doc/gccint.texi: Tweak RTL description.
207         * doc/rtl.texi: Likewise.
208
209 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
210
211         * config/avr/avr.c: Change my email address.
212         * config/avr/avr.h: Likewise.
213         * config/avr/avr.md: Likewise.
214         * config/avr/avr-protos.h: Likewise.
215         * config/avr/libgcc.S: Likewise.
216
217 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
218
219         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
220         (spu_split_load, spu_split_store): Change return type to int.
221         (spu_split_convert): Declare.
222         * config/spu/predicates.md (spu_mem_operand): Remove.
223         (spu_mov_operand): Update.
224         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
225         * config/spu/spu.c (regno_aligned_for_load): Remove.
226         (reg_aligned_for_addr, spu_expand_load): Define.
227         (spu_expand_extv): Reimplement and handle MEM.
228         (spu_expand_insv): Handle MEM.
229         (spu_sched_reorder): Handle insn's with length 0.
230         (spu_legitimate_address_p): Reimplement.
231         (store_with_one_insn_p): Return TRUE for any mode with size
232         larger than 16 bytes.
233         (address_needs_split): Define.
234         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
235         operands.
236         (spu_convert_move): Define.
237         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
238         (spu_split_store): Change all MEM's to TImode.
239         (spu_init_expanders): Preallocate registers that correspond to
240         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
241         mark_reg_pointer.
242         (spu_split_convert): Define.
243         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
244         (_move<mode>, _movdi, _movti): Update predicate and condition.
245         (load, store): Change to define_split.
246         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
247         extend<mode>ti2.
248         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
249         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
250         define_insn_and_split of lshr<mode>3.
251         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
252         (<v>ashr<mode>3_imm): Define.
253         (extv, extzv, insv): Allow MEM operands.
254         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
255         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
256         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
257         (_spu_convert2): Change to define_insn_and_split and remove the
258         corresponding define_peephole2.
259         (stack_protect_set, stack_protect_test, stack_protect_test_si):
260         Change predicates to memory_operand.
261
262 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
263
264         * config/arm/thumb2.md: Add 16-bit multiply instructions.
265
266 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
267
268         PR tree-optimization/40219
269         * tree.c (iterative_hash_expr): Make sure the builtin function is
270         a normal builtin function and not a front end or back end builtin
271         before indexing into the built_in_decls array.
272
273 2009-05-22  Richard Guenther  <rguenther@suse.de>
274
275         PR middle-end/38964
276         * alias.c (write_dependence_p): Do not use TBAA for answering
277         anti-dependence or output-dependence.
278         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
279         (emit_pointer_definition): Remove.
280         (emit_alias_warning): Likewise.
281         (find_what_var_points_to): Remove TBAA pruning code.
282         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
283         violations.
284         (compute_points_to_sets): Remove code computing the set of
285         dereferenced pointers.
286         * tree-data-ref.c (dr_may_alias_p): Properly use the split
287         oracle for querying anti and output dependencies.
288         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
289         if TBAA may be applied.
290         (refs_anti_dependent_p): New function.
291         (refs_output_dependent_p): Likewise.
292         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
293         (refs_output_dependent_p): Likewise.
294         * doc/tree-ssa.texi (Memory model): New section.
295         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
296         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
297         * cfgexpand.c (expand_gimple_basic_block): Do not handle
298         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
299         * expr.c (expand_expr_real_1): Likewise.
300         * gimple-low.c (lower_stmt): Likewise.
301         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
302         (dump_gimple_cdt): Remove.
303         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
304         (gimple_size): Likewise.
305         (walk_gimple_op): Likewise.
306         (is_gimple_stmt): Likewise.
307         (walk_stmt_load_store_addr_ops): Likewise.
308         (gimple_build_cdt): Remove.
309         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
310         * gimple.h (gimple_cdt_new_type): Remove.
311         (gimple_cdt_new_type_ptr): Likewise.
312         (gimple_cdt_set_new_type): Likewise.
313         (gimple_cdt_location): Likewise.
314         (gimple_cdt_location_ptr): Likewise.
315         (gimple_cdt_set_location): Likewise.
316         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
317         * tree-cfg.c (remove_useless_stmts_1): Do not handle
318         GIMPLE_CHANGE_DYNAMIC_TYPE.
319         (verify_types_in_gimple_stmt): Likewise.
320         * tree-inline.c (estimate_num_insns): Likewise.
321         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
322         (copy_decl_to_var): Likewise.
323         (copy_result_decl_to_var): Likewise.
324         * tree-pretty-print.c (dump_generic_node): Do not handle
325         CHANGE_DYNAMIC_TYPE_EXPR.
326         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
327         * tree-ssa-operands.c (get_expr_operands): Likewise.
328         * tree-ssa-structalias.c (struct variable_info): Remove
329         no_tbaa_pruning member.
330         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
331         (unify_nodes): Do not copy it.
332         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
333         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
334         (set_uids_in_ptset): Do not check it.
335         (find_what_var_points_to): Likewise.
336         (compute_tbaa_pruning): Remove.
337         (compute_points_to_sets): Do not call it.
338         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
339         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
340         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
341         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
342         (DECL_NO_TBAA_P): Likewise.
343         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
344         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
345         (expand_omp_atomic_pipeline): Do not set it.
346         * print-tree.c (print_node): Do not dump it.
347         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
348         redundant check.
349
350 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
351
352         PR target/39856
353         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
354         for clobber.
355
356 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
357
358         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
359         non-external.
360
361 2009-05-22  Ben Elliston  <bje@au.ibm.com>
362
363         * Makefile.in (bversion.h, s-bversion): New targets.
364         (TOPLEV_H): Add bversion.h.
365         * toplev.h: Include "bversion.h".
366         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
367         the __format__ attribute only if compiling with the same version
368         of GCC as the sources (the "build version").
369
370 2009-05-22  Ben Elliston  <bje@au.ibm.com>
371
372         * c-format.c (handle_format_attribute): Fix comment typo.
373
374 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
375
376         PR target/37846
377         * config/ia64/ia64.opt (mfused-madd): New.
378         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
379         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
380         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
381         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
382         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
383         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
384         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
385         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
386         instruction if !TARGET_FUSED_MADD.
387         (fpma, fpms): Remove colon from name.
388
389 2009-05-22  Richard Guenther  <rguenther@suse.de>
390
391         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
392         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
393         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
394         TARGET_MEM_REF.
395         (create_expression_by_pieces): Only convert if necessary.
396         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
397         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
398
399 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
400
401         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
402         regular pattern from a template and rename it ...
403         (*extzv_truncsi_exts): ... to this.
404
405 2009-05-21  Richard Guenther  <rguenther@suse.de>
406
407         * cgraph.h (struct cgraph_node): Remove inline_decl member.
408         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
409         (cgraph_default_inline_p): Likewise.
410         (cgraph_decide_inlining_incrementally): Likewise.
411
412 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
413             Uros Bizjak  <ubizjak@gmail.com>
414
415         * config/i386/cpuid.h (bit_MOVBE): New.
416
417         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
418
419         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
420         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
421         (ix86_handle_option): Handle OPT_mmovbe.
422         (ix86_target_string): Add -mmovbe.
423         (pta_flags): Add PTA_MOVBE.
424         (processor_alias_table): Add PTA_MOVBE to "atom".
425         (override_options): Handle PTA_MOVBE.
426
427         * config/i386/i386.h (TARGET_MOVBE): New.
428
429         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
430         (*bswapsi_movbe): New.
431         (*bswapdi_movbe): Likewise.
432         (bswapdi2): Renamed to ...
433         (*bswapdi_1): This.
434         (bswapdi2): New expander.
435
436         * config/i386/i386.opt (mmovbe): New.
437
438         * doc/invoke.texi: Document -mmovbe.
439
440 2009-05-21  Taras Glek  <tglek@mozilla.com>
441
442         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
443         * gcc-plugin.h (plugin_init): Updated signature.
444         * gcc-plugin.h (plugin_name_args): Moved to this header.
445         * doc/plugins.texi (plugin_init): Updated documention to reflect
446         API change.
447         * doc/plugins.texi (plugin_name_args): Added to documention.
448
449 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
450
451         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
452         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
453
454 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
455
456         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
457         JUMP_TABLE_DATA_P predicates where applicable.
458         * config/i386/predicates.md: Ditto.
459         * config/i386/sse.md: Ditto.
460
461 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
462
463         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
464         operand2 -128 override length_immediate attribute to 1.
465         * config/i386/predicates.md (constm128_operand): New predicate.
466
467         * config/i386/i386.c (memory_address_length): Handle %r12
468         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
469         also check REGNO.
470         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
471         mode look through optional ZERO_EXTEND and SUBREG.
472         * config/i386/i386.md (R12_REG): New define_constant.
473         (prefix_data16): For sse unit set also for MODE_TI insns.
474         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
475         insns set if operand 1 is ext_QIreg_operand.
476         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
477         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
478         immediate.
479         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
480         mode from MODE_DI to MODE_SI.
481         (movdi_1_rex64): Override modrm and length_immediate attributes
482         only for movabs (TYPE_IMOV, alternative 2).
483         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
484         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
485         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
486         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
487         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
488         prefix_rex attribute if DImode.
489         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
490         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
491         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
492         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
493         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
494         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
495         Likewise.  For TYPE_IMOV clear length_immediate attribute.
496         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
497         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
498         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
499         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
500         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
501         or one operand TYPE_ISHIFT.
502         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
503         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
504         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
505         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
506         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
507         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
508         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
509         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
510         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
511         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
512         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
513         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
514         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
515         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
516         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
517         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
518         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
519         set mode attribute, don't override length attribute.
520         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
521         to 1.
522         (return_internal_long): Set length attribute to 2 instead of 1.
523         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
524         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
525         prefix_rex attribute.
526         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
527         New predicates.
528         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
529
530 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
531
532         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
533
534 2009-05-20  Ian Lance Taylor  <iant@google.com>
535
536         * tree.c (build_tree_list_vec_stat): New function.
537         (ctor_to_vec): New function.
538         (build_nt_call_vec): New function.
539         (build_call_array): Change args to be a const pointer.
540         (build_call_vec): New function.
541         * tree.h (build_nt_call_vec): Declare.
542         (build_tree_list_vec_stat): Declare.
543         (build_tree_list_vec): Define.
544         (build_call_array): Update declaration.
545         (build_call_vec): Declare.
546         (ctor_to_vec): Declare.
547         * c-common.c (tree_vector_cache): New static variable.
548         (make_tree_vector): New function.
549         (release_tree_vector): New function.
550         (make_tree_vector_single): New function.
551         (make_tree_vector_copy): New function.
552         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
553         (make_tree_vector_single, make_tree_vector_copy): Declare.
554         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
555         (c_parser_expr_list): Don't manage cache here, instead call
556         make_tree_vector.
557         (c_parser_release_expr_list): Remove static function.
558         (c_parser_vec_to_tree_list): Remove static function.
559         (c_parser_attributes): Call build_tree_list_vec instead of
560         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
561         c_parser_release_expr_list.
562         (c_parser_postfix_expression_after_primary): Likewise.
563         (c_parser_objc_keywordexpr): Likewise.
564
565 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
566
567         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
568         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
569         TARGET_CONVERT_TO_TYPE.
570         * hooks.c (hook_tree_const_tree_null): Define.
571         * hooks.h (hook_tree_const_tree_null): Declare.
572         * target.h (struct gcc_target):  Add invalid_parameter_type,
573         invalid_return_type, promoted_type, and convert_to_type fields.
574         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
575         (TARGET_INVALID_RETURN_TYPE): Define.
576         (TARGET_PROMOTED_TYPE): Define.
577         (TARGET_CONVERT_TO_TYPE): Define.
578         (TARGET_INITIALIZER): Update for new fields.
579         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
580         (grokparms): Check targetm.invalid_parameter_type.
581         * c-typeck.c (default_conversion): Check targetm.promoted_type.
582         * c-convert.c (convert): Check targetm.convert_to_type.
583
584 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
585
586         * config/mips/mips.md (*extenddi_truncate<mode>,
587         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
588         defintions.
589         (*extendhi_truncateqi): New define_insn_and_sptit.
590
591 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
592
593         PR middle-end/40204
594         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
595         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
596
597 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
598
599         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
600         the operand of VIEW_CONVERT_EXPR.
601
602 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
603
604         * config/i386/driver-i386.c (host_detect_local_cpu): Check
605         extended family and model for Intel processors.  Support Intel
606         Atom.
607
608 2009-05-20  Olivier Hainque  <hainque@adacore.com>
609
610         * gstab.h (stab_code_type): Define, to be used instead of the
611         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
612         notice.
613         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
614         occurrences by stab_code_type.
615         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
616
617 2009-05-20  Martin Jambor  <mjambor@suse.cz>
618
619         * tree-flow.h (insert_edge_copies_seq): Undeclare.
620         (sra_insert_before): Likewise.
621         (sra_insert_after): Likewise.
622         (sra_init_cache): Likewise.
623         (sra_type_can_be_decomposed_p): Likewise.
624         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
625         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
626         (sra_insert_before): Likewise.
627         (sra_insert_after): Likewise.
628         (sra_init_cache): Likewise.
629         (insert_edge_copies_seq): Made static and moved upwards.
630
631         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
632         case.
633
634         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
635
636         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
637         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
638         simple copies.
639
640 2009-05-20  Richard Guenther  <rguenther@suse.de>
641
642         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
643         with mismatched comparison modes.
644
645 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
646
647         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
648         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
649         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
650         with shifts for Thumb2.
651         (orsi_notsi): New for orn.
652         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
653         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
654         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
655         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
656         Don't invert remainder for IOR.
657         
658 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
659
660         PR tree-optimization/40087
661         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
662         number_of_iterations_ne): Rename never_infinite argument.
663         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
664         number_of_iterations_le): Handle pointer-type ivs when
665         exit_must_be_taken is false.
666         (number_of_iterations_cond):  Do not always assume that
667         exit_must_be_taken if the control variable is a pointer.
668
669 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
670
671         * c-typeck.c (build_binary_op): Allow % on integal vectors.
672         * doc/extend.texi (Vector Extension): Document that % is allowed too.
673
674 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
675
676         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
677         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
678
679 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
680
681         PR c/40172
682         * c.opt (Wlogical-op): Disabled by default.
683         * c-opt (c_common_post_options): Do not enable Wlogical-op with
684         Wextra.
685         * doc/invoke.texi (Wlogical-op): Likewise.
686         
687 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
688
689         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
690         into CASE_CONVERT.
691         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
692         Propagate the type of the first operand.
693         <ASSERT_EXPR>: Simplify.
694         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
695         Rewrite using the RHS code as discriminant.
696         <NOP_EXPR>: Turn into CASE_CONVERT.
697         <PLUS_EXPR>: Propagate the type of the first operand.
698
699 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
700
701         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
702         (ia64_dconst_0_375): New.
703         * config/ia64/ia64.c (ia64_override_options): Remove
704         -minline-sqrt-min-latency warning.
705         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
706         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
707         * config/ia64/ia64.md (*sqrt_approx): Remove.
708         (sqrtsf2): Remove #if 0.
709         (sqrtsf2_internal_thr): Rewrite and move to div.md.
710         (sqrtdf): Remove assert.
711         (sqrtdf2_internal_thr): Rewrite and move to div.md.
712         (sqrtxf2): Remove #if 0.
713         (sqrtxf2_internal_thr): Rewrite and move to div.md.
714         * div.md (sqrt_approx_rf): New.
715         (sqrtsf2_internal_thr): New implementation.
716         (sqrtsf2_internal_lat): New.
717         (sqrtdf2_internal_thr: New implementation.
718         (sqrtxf2_internal): New implementation.
719
720 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
721             Hans-Peter Nilsson  <hp@axis.com>
722
723         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
724         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
725         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
726         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
727         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
728         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
729         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
730         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
731         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
732         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
733         * c-common.c: ...from here.
734
735 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
736
737         * c-common.c (warn_logical_operator): Remove unnecessary
738         conditionals.
739
740 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
741
742         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
743
744 2009-05-19  Ben Elliston  <bje@au.ibm.com>
745
746         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
747         assignments with memcpy calls.
748         (add_fdes): Likewise.
749         (binary_search_unencoded_fdes): Likewise.
750         (linear_search_fdes): Eliminate type puns.
751         
752 2009-05-19  Richard Guenther  <rguenther@suse.de>
753
754         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
755         not falsely claim to have propagated into all uses.
756
757 2009-05-19  Ben Elliston  <bje@au.ibm.com>
758
759         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
760         version to v3.0.
761
762 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
763
764         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
765         * config/sh/sh.c (sh_legitimate_address_p): Make static.
766         (TARGET_LEGITIMATE_ADDRESS_P): New.
767         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
768         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
769         
770 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
771
772         PR debug/40109
773         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
774         child of the containing namespace's DIE.
775
776 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
777
778         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
779         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
780         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
781         extend patterns.
782
783 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
784
785         PR target/39942
786         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
787         gen_align with gen_pad.
788         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
789         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
790
791         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
792         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
793
794         * config/i386/i386.md (align): Renamed to ...
795         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
796         ASM_OUTPUT_MAX_SKIP_PAD.
797
798 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
799
800         * config.gcc: Fix variable syntax.
801
802         PR target/39531
803         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
804         before calling exact_log2.
805         (output_iorsi3): Likewise.
806         (output_xorsi3): Likewise.
807
808 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
809
810         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
811         for the none zero constant operand except for EQ and NE
812         comprisons even when the first operand is R0.
813
814 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
815
816         * config/s390/2064.md: Remove trailing whitespaces.
817         * config/s390/2084.md: Likewise.
818         * config/s390/constraints.md: Likewise.
819         * config/s390/fixdfdi.h: Likewise.
820         * config/s390/libgcc-glibc.ver: Likewise.
821         * config/s390/s390-modes.def: Likewise.
822         * config/s390/s390-protos.h: Likewise.
823         * config/s390/s390.c: Likewise.
824         * config/s390/s390.h: Likewise.
825         * config/s390/s390.md: Likewise.
826         * config/s390/tpf-unwind.h: Likewise.
827
828 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
829
830         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
831
832 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
833
834         M68K TLS support.
835         * configure.ac (m68k-*-*): Check if binutils support TLS.
836         * configure: Regenerate.
837         * config/m68k/predicates.md (symbolic_operand): Extend comment.
838         * config/m68k/constraints.md (Cu): New constraint.
839         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
840         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
841         (movsi): Handle TLS symbols.
842         (addsi3_5200): Handle XTLS symbols, indent.
843         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
844         (m68k_tls_reference_p): Declare.
845         (m68k_legitimize_address): Declare.
846         (m68k_unwrap_symbol): Declare.
847         * config/m68k/m68k.opt (mxtls): New option.
848         * config/m68k/m68k.c (ggc.h): Include.
849         (m68k_output_dwarf_dtprel): Implement hook.
850         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
851         (m68k_expand_prologue): Load GOT pointer when function needs it.
852         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
853         (m68k_legitimate_constant_address_p): Same.
854         (m68k_decompose_address): Handle TLS references.
855         (m68k_get_gp): New static function.
856         (enum m68k_reloc): New contants.
857         (TLS_RELOC_P): New macro.
858         (m68k_wrap_symbol): New static function.
859         (m68k_unwrap_symbol): New function.
860         (m68k_final_prescan_insn_1): New static function.
861         (m68k_final_prescan_insn): New function.
862         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
863         functions.
864         (legitimize_pic_address): Handle TLS references..
865         (m68k_tls_get_addr, m68k_get_tls_get_addr)
866         (m68k_libcall_value_in_a0_p)
867         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
868         (m68k_call_m68k_read_tp): Helper variables and functions for ...
869         (m68k_legitimize_tls_address): Handle TLS references.
870         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
871         New functions.
872         (m68k_legitimize_address): Handle TLS symbols.
873         (m68k_get_reloc_decoration): New static function.
874         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
875         UNSPEC_RELOC32.
876         (m68k_output_dwarf_dtprel): Implement hook.
877         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
878         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
879         m68k_call_* routines.
880         (sched_attr_op_type): Handle TLS symbols.
881         (gt-m68k.h): Include.
882         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
883         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
884
885 2009-05-18  Martin Jambor  <mjambor@suse.cz>
886
887         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
888         (visit_store_addr_for_mod_analysis): New function.
889         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
890         (determine_cst_member_ptr): Use gimple_assign_single_p.
891         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
892         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
893         operands.  Don't check number of operands of a NOP_EXPR.
894
895 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
896
897         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
898
899 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
900
901         PR c/40172
902         * c-common.c (warn_logical_operator): Don't warn if one of
903         expression isn't always true or false.
904
905 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
906
907         * config/i386/biarch32.h: New file.
908         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
909
910 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
911
912         * config/mips/mips.md (*zero_extend<mode>_trunchi,
913         *zero_extend<mode>_truncqi): Merge these into ...
914         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
915         Name the pattern following this as *zero_extendhi_truncqi.
916
917 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
918
919         PR middle-end/39301
920         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
921         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
922         (output_info): Make field HOST_WIDEST_INT.
923         (print_statistics): Use HOST_WIDEST_INT_PRINT.
924         (dump_bitmat_statistics): Same.
925
926 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
927
928         * config.gcc (use_gcc_stdint):  Set to wrap.
929         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
930         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
931         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
932         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
933         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
934         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
935         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
936         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
937
938 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
939
940         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
941         tune_64.
942         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
943         Move definitions earlier.
944         (OPT_ARCH64, OPT_ARCH32): Define.
945         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
946         and tune_64.
947
948 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
949
950         PR target/40153
951         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
952         implies.
953
954 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
955
956         * arm.md (movdi2): Copy non-reg values to DImode registers.
957
958 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
959
960         PR target/39942
961         * final.c (label_to_max_skip): New function.
962         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
963         CODE_LABEL_NUMBER <= max_labelno.
964         * output.h (label_to_max_skip): New prototype.
965         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
966         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
967         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
968         Handle CODE_LABELs with >= 16 byte alignment or with
969         max_skip == (1 << align) - 1.
970         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
971         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
972
973         PR target/39942
974         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
975         .p2align 3 if MAX_SKIP is smaller than 7.
976         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
977
978 2009-05-15  Ian Lance Taylor  <iant@google.com>
979
980         * alias.c (struct alias_set_entry_d): Rename from struct
981         alias_set_entry.  Change all uses.
982         * except.c (struct call_site_record_d): Rename from struct
983         call_site_record.  Change all uses.
984         * except.h (struct eh_region_d): Rename from struct eh_region.
985         Change all uses.
986         * gcse.c (struct hash_table_d): Rename from struct hash_table.
987         Change all uses.
988         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
989         ivtype_map_elt.  Change all uses.
990         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
991         Change all uses.
992         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
993         * graphite.h (struct name_tree_d): Rename from struct name_tree.
994         Change all uses.
995         (struct sese_d): Rename from struct sese.  Change all uses.
996         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
997         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
998         * optabs.h (struct optab_d): Rename from struct optab.  Change all
999         uses.
1000         (struct convert_optab_d): Rename from struct convert_optab.
1001         Change all uses.
1002         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
1003         ipa_opt_pass.  Change all uses.
1004         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
1005         all uses.
1006
1007         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
1008         defined as a typedef.
1009         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
1010         defined as a tag.
1011
1012 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1013
1014         PR 16302
1015         * fold-const.c (make_range,build_range_check,merge_ranges): Move
1016         declaration to...
1017         (merge_ranges): Returns bool. 
1018         * tree.h (make_range): .. to here.
1019         (build_range_check): Likewise.
1020         (merge_ranges): Likewise. Renamed from merge_ranges.
1021         * c-typeck.c (parser_build_binary_op): Update calls to
1022         warn_logical_operator.
1023         * c-common.c (warn_logical_operator): Add new warning.
1024         * c-common.h (warn_logical_operator): Update declaration.
1025         
1026 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1027
1028         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
1029         
1030 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1031
1032         * doc/install.texi: Document MPC requirements, flags etc.
1033
1034         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
1035         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
1036         Evaluate constant arguments.
1037         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
1038         (fold_builtin_1): Likewise, also evaluate constant arguments.
1039         Remove superfluous break.
1040         (do_mpc_ckconv): New.
1041         * real.h: Include mpc.h.
1042         * toplev.c (print_version): Output MPC version info if available.
1043
1044 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1045
1046         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
1047
1048 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1049
1050         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
1051         only once.
1052
1053 2009-05-15  Jan Hubicka  <jh@suse.cz>
1054
1055         * doc/invoke.texi (max-early-inliner-iterations): New flag.
1056         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
1057         (try_inline): Fix return value.
1058         (cgraph_decide_inlining_incrementally): Honor new value.
1059         (cgraph_early_inlining): Handle indirect inlining.
1060         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
1061
1062 2009-05-15  Jan Hubicka  <jh@suse.cz>
1063
1064         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
1065         * cgraphunit.c (cgraph_finalize_function): Set it.
1066         (cgraph_expand_function): Use it.
1067
1068 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1069
1070         * real.c (encode_ieee_half): Define.
1071         (decode_ieee_half): Define.
1072         (ieee_half_format): Define.
1073         (arm_half_format): Define.
1074         * real.h (ieee_half_format): Declare.
1075         (arm_half_format): Declare.
1076
1077 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
1078
1079         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
1080         swapped, and reversed optabs exist before trying to use them.
1081
1082 2009-05-15  Paul Brook  <paul@codesourcery.com>
1083             Sandra Loosemore  <sandra@codesourcery.com>
1084
1085         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
1086         loads.  Allow PRE_DEC.
1087         (output_move_neon): Handle PRE_DEC.
1088         (arm_print_operand): Add 'A' for neon structure loads.
1089         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
1090         * config/arm/neon.md (neon_mov): Update comment.
1091         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
1092         calls.
1093         (Um): New constraint.
1094
1095 2009-05-15  Jan Hubicka  <jh@suse.cz>
1096
1097         Revert the following patch until testsuite fallout is fixed:
1098         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1099         * cgraph.h (struct inline_summary): New filed self_wize,
1100         size_inlining_benefit, self_time and time_inlining_benefit.
1101         (struct cgraph_global_info): Replace insns by time ans size fields.
1102         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1103         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1104         (ipcp_update_callgraph): Do not touch function bodies.
1105         * ipa-inline.c: Include except.h
1106         (MAX_TIME): New constant.
1107         (overall_insns): Remove
1108         (overall_size, max_benefit): New static variables.
1109         (cgraph_estimate_time_after_inlining): New function.
1110         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1111         (cgraph_clone_inlined_nodes): Update size.
1112         (cgraph_mark_inline_edge): Update size.
1113         (cgraph_estimate_growth): Use size info.
1114         (cgraph_check_inline_limits): Check size.
1115         (cgraph_default_inline_p): Likewise.
1116         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1117         (cgraph_decide_recursive_inlining): Check size.
1118         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1119         times.
1120         (cgraph_decide_inlining): Likewise.
1121         (cgraph_decide_inlining_incrementally): Likewise; honor
1122         PARAM_EARLY_INLINING_INSNS.
1123         (likely_eliminated_by_inlining_p): New predicate.
1124         (estimate_function_body_sizes): New function.
1125         (compute_inline_parameters): Use it.
1126         * except.c (must_not_throw_labels): New function.
1127         * except.h (must_not_throw_labels): Declare.
1128         * tree-inline.c (init_inline_once): Kill inlining_weigths
1129         * tree-ssa-structalias.c: Avoid uninitialized warning.
1130         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1131         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1132         (PARAM_INLINE_CALL_COST): Remove.
1133         (PARAM_EARLY_INLINING_INSNS): New.
1134
1135 2009-05-15  Richard Guenther  <rguenther@suse.de>
1136
1137         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
1138         not TODO_update_ssa.
1139
1140 2009-05-15  Richard Guenther  <rguenther@suse.de>
1141
1142         PR tree-optimization/39999
1143         * gimple.h (gimple_expr_type): Use the expression type looking
1144         through useless conversions.
1145         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
1146         (vn_nary_op_insert_stmt): Likewise.
1147         (simplify_binary_expression): Likewise.
1148
1149 2009-05-15  Richard Guenther  <rguenther@suse.de>
1150
1151         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1152         New options, enabled by default.
1153         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
1154         Document.
1155         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
1156         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
1157         * tree-ssa-structalias.c (gate_tree_pta): New function.
1158         (pass_build_alias): Use it.
1159
1160 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
1161
1162         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
1163         recurse on an invariant address if a conversion from a pointer
1164         type to a wider integer type is involved.
1165
1166 2009-05-15  Jan Hubicka  <jh@suse.cz>
1167
1168         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1169         * cgraph.h (struct inline_summary): New filed self_wize,
1170         size_inlining_benefit, self_time and time_inlining_benefit.
1171         (struct cgraph_global_info): Replace insns by time ans size fields.
1172         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1173         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1174         (ipcp_update_callgraph): Do not touch function bodies.
1175         * ipa-inline.c: Include except.h
1176         (MAX_TIME): New constant.
1177         (overall_insns): Remove
1178         (overall_size, max_benefit): New static variables.
1179         (cgraph_estimate_time_after_inlining): New function.
1180         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1181         (cgraph_clone_inlined_nodes): Update size.
1182         (cgraph_mark_inline_edge): Update size.
1183         (cgraph_estimate_growth): Use size info.
1184         (cgraph_check_inline_limits): Check size.
1185         (cgraph_default_inline_p): Likewise.
1186         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1187         (cgraph_decide_recursive_inlining): Check size.
1188         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1189         times.
1190         (cgraph_decide_inlining): Likewise.
1191         (cgraph_decide_inlining_incrementally): Likewise; honor
1192         PARAM_EARLY_INLINING_INSNS.
1193         (likely_eliminated_by_inlining_p): New predicate.
1194         (estimate_function_body_sizes): New function.
1195         (compute_inline_parameters): Use it.
1196         * except.c (must_not_throw_labels): New function.
1197         * except.h (must_not_throw_labels): Declare.
1198         * tree-inline.c (init_inline_once): Kill inlining_weigths
1199         * tree-ssa-structalias.c: Avoid uninitialized warning.
1200         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1201         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1202         (PARAM_INLINE_CALL_COST): Remove.
1203         (PARAM_EARLY_INLINING_INSNS): New.
1204         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
1205         (inline-call-cost): Remove.
1206         (early-inlining-insns): New.
1207
1208 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1209
1210         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
1211         for bounds.
1212         (print_int_cst_bounds_in_octal_p): Likewise.
1213         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
1214         with subtypes.
1215         * dwarf2out.c (base_type_die): Likewise.
1216         (is_subrange_type): Delete.
1217         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
1218         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
1219         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
1220         the destination type is boolean.
1221         (build_range_check): Do not special-case subtypes.
1222         (fold_sign_changed_comparison): Likewise.
1223         (fold_unary): Likewise.
1224         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
1225         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
1226         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
1227         * tree.c (subrange_type_for_debug_p): New predicate based on the former
1228         is_subrange_type.
1229         * tree.h (subrange_type_for_debug_p): Declare.
1230         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
1231         (convert_affine_scev): Remove call to above function.
1232         (chrec_convert_aggressive): Likewise.
1233         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
1234         false for conversions involving subtypes.
1235         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
1236         (vrp_val_min): Likewise.
1237         (needs_overflow_infinity): Likewise.
1238         (extract_range_from_unary_expr): Likewise.
1239
1240 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
1241
1242         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1243         * config/frv/frv.c: Likewise.
1244         * config/s390/s390.c: Likewise.
1245         * config/sparc/sparc.h: Likewise.
1246         * config/i386/i386.h: Likewise.
1247         * config/i386/i386.c: Likewise.
1248         * config/crx/crx.c: Likewise.
1249         * config/m68hc11/m68hc11.h: Likewise.
1250         * config/iq2000/iq2000.c: Likewise.
1251         * config/mn10300/mn10300.h: Likewise.
1252         * config/mn10300/mn10300.c: Likewise.
1253         * config/m68k/m68k.c: Likewise.
1254         * config/rs6000/rs6000.c: Likewise.
1255         * config/rs6000/xcoff.h: Likewise.
1256         * config/rs6000/linux64.h: Likewise.
1257         * config/rs6000/sysv4.h: Likewise.
1258         * config/score/score3.c: Likewise.
1259         * config/score/score7.c: Likewise.
1260         * config/score/score.c: Likewise.
1261         * config/arm/arm.md: Likewise.
1262         * config/mips/mips.c: Likewise.
1263         * config/mips/mips.md: Likewise.
1264         * config/bfin/bfin.h: Likewise.
1265         * config/pa/pa.c: Likewise.
1266         * config/pa/constraints.md: Likewise.
1267
1268         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
1269         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
1270         * config/pdp11/pdp11.h: Use memory_address_p instead.
1271
1272 2009-05-14  Ian Lance Taylor  <iant@google.com>
1273
1274         * passes.c (finish_optimization_passes): Change i to int.
1275         * plugin.c (plugins_active_p): Change event to int.
1276         (dump_active_plugins): Likewise.
1277         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
1278         Add cast.
1279         * tree.c (tree_range_check_failed): Change c to unsigned int.
1280         (omp_clause_range_check_failed): Likewise.
1281         (build_common_builtin_nodes): Change mode to int.  Add cast.
1282         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
1283         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
1284
1285         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
1286         ++ or -- with a variable of enum type.
1287
1288 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1289
1290         PR driver/40144
1291         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
1292
1293 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1294
1295         * store-motion.c: Do not include params.h
1296         * Makefile.in: Fix dependencies for various files.
1297
1298 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1299
1300         * auto-inc-dec.c: Fix pass description, remove apparent
1301         accidental duplication.
1302
1303 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1304
1305         PR middle-end/40147
1306         * ipa-utils.h (memory_identifier_string): Moved to ...
1307         * tree.h (memory_identifier_string): Here.  Add GTY(()).
1308
1309 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1310
1311         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
1312         in the former documentation of...
1313         (GO_IF_LEGITIMATE_ADDRESS): ... this.
1314         * ira-conflicts.c (get_dup_num): Use address_operand.
1315         * targhooks.c (default_legitimate_address_p): New.
1316         * targhooks.h (default_legitimate_address_p): New.
1317         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
1318         Call hook.
1319         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
1320         * target.h (struct target): Add legitimate_address_p.
1321         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
1322         (TARGET_INITIALIZER): Include it.
1323
1324         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1325         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
1326         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
1327         (TARGET_LEGITIMATE_ADDRESS_P): New.
1328
1329         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1330         (REG_OK_STRICT_P): Delete.
1331         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
1332         (frv_legitimate_address_p_1): ... this.
1333         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
1334         (frv_legitimate_address_p_1): ... the renamed old
1335         frv_legitimate_address_p.
1336         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
1337         (TARGET_LEGITIMATE_ADDRESS_P): New.
1338
1339         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1340         * config/s390/s390-protos.h (legitimate_address_p): Remove.
1341         * config/s390/s390.c (legitimate_address_p): Rename to...
1342         (s390_legitimate_address_p): ... this, make static.
1343         (legitimize_address): Adjust call.
1344         (TARGET_LEGITIMATE_ADDRESS_P): New.
1345         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
1346
1347         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1348         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
1349         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
1350         (TARGET_LEGITIMATE_ADDRESS_P): New.
1351
1352         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1353         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
1354         * config/spu/spu.c (spu_legitimate_address): Rename to...
1355         (spu_legitimate_address_p): ... this, make static.
1356         (TARGET_LEGITIMATE_ADDRESS_P): New.
1357
1358         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1359         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
1360         * config/sparc/sparc.c (legitimate_address_p): Rename to...
1361         (sparc_legitimate_address_p): ... this, make static and return bool.
1362         (legitimize_address): Adjust call.
1363         (TARGET_LEGITIMATE_ADDRESS_P): New.
1364
1365         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1366         * config/i386/i386-protos.h (legitimate_address_p): Remove.
1367         * config/i386/i386.c (legitimate_address_p): Rename to...
1368         (ix86_legitimate_address_p): ... this, make static.
1369         (constant_address_p): Move after it, adjust call.
1370         (TARGET_LEGITIMATE_ADDRESS_P): New.
1371
1372         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1373         * config/avr/avr-protos.h (legitimate_address_p): Remove.
1374         * config/avr/avr.c (legitimate_address_p): Rename to...
1375         (avr_legitimate_address_p): ... this, make static.
1376         (legitimize_address): Adjust call.
1377         (TARGET_LEGITIMATE_ADDRESS_P): New.
1378
1379         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1380         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
1381         * config/crx/crx.c (crx_legitimate_address_p): Make static.
1382         (TARGET_LEGITIMATE_ADDRESS_P): New.
1383
1384         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1385         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
1386         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
1387         (TARGET_LEGITIMATE_ADDRESS_P): New.
1388
1389         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1390         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
1391         Remove.
1392         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1393         Make static.
1394         (TARGET_LEGITIMATE_ADDRESS_P): New.
1395
1396         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1397         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
1398         Remove.
1399         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
1400         Rename to...
1401         (m68hc11_legitimate_address_p): ... this, make static.
1402         (go_if_legitimate_address_internal): Rename to...
1403         (m68hc11_legitimate_address_p_1): ... this.
1404         (legitimize_address): Adjust call.
1405         (TARGET_LEGITIMATE_ADDRESS_P): New.
1406
1407         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1408         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
1409         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
1410         (TARGET_LEGITIMATE_ADDRESS_P): New.
1411
1412         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1413         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
1414         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
1415         (mn10300_legitimate_address_p): ... this, make static.
1416         (TARGET_LEGITIMATE_ADDRESS_P): New.
1417
1418         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1419         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
1420         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
1421         (TARGET_LEGITIMATE_ADDRESS_P): New.
1422
1423         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1424         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
1425         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
1426         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1427         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
1428         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
1429         (rs6000_legitimate_address_p): ... this, make static.
1430         (TARGET_LEGITIMATE_ADDRESS_P): New.
1431         (REG_MODE_OK_FOR_BASE_P): Delete.
1432         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
1433
1434         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1435         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
1436         Delete.
1437         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
1438         static, adjust types.
1439         (TARGET_LEGITIMATE_ADDRESS_P): New.
1440
1441         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1442         * config/score/score.c (score_address_p): Rename to...
1443         (score_legitimate_address_p): ... this.
1444         (TARGET_LEGITIMATE_ADDRESS_P): New.
1445         * config/score/score3.c (score3_address_p): Rename to...
1446         (score3_legitimate_address_p): ... this.
1447         * config/score/score7.c (score7_address_p): Rename to...
1448         (score7_legitimate_address_p): ... this.
1449
1450         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
1451         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
1452         GO_IF_LEGITIMATE_ADDRESS): Delete.
1453         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
1454         thumb2_legitimate_address_p): Delete.
1455         (arm_legitimate_address_p): Rename to...
1456         (arm_legitimate_address_outer_p): ... this.
1457         * config/arm/constraints.md ("Uq"): Adjust call.
1458         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
1459         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
1460         (arm_legitimate_address_outer_p): ... this.
1461         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
1462         (TARGET_LEGITIMATE_ADDRESS_P): New.
1463
1464         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1465         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
1466         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
1467         (TARGET_LEGITIMATE_ADDRESS_P): New.
1468
1469         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1470         * config/vax/vax-protos.h (legitimate_address_p): Remove.
1471         * config/vax/vax.c (legitimate_address_p): Rename to...
1472         (vax_legitimate_address_p): ... this, make static.
1473         (TARGET_LEGITIMATE_ADDRESS_P): New.
1474
1475         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1476         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
1477         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
1478         (TARGET_LEGITIMATE_ADDRESS_P): New.
1479
1480         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1481         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
1482         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
1483         (mmix_legitimate_address_p): ... this, make static.
1484         (TARGET_LEGITIMATE_ADDRESS_P): New.
1485
1486         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1487         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
1488         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
1489         (TARGET_LEGITIMATE_ADDRESS_P): New.
1490
1491 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1492
1493         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
1494         of MODE_COMPLEX_INT.
1495
1496 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1497
1498         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
1499         LCT_NORMAL in function call.
1500         * mips-tdump.c (print_file_desc): Add cast to enum type.
1501         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
1502         (mark_stabs): Add casts to enum types.
1503         (parse_stabs_common): Add casts to enum types.
1504
1505 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1506
1507         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
1508         Check for invalid values of LETTER.
1509
1510 2009-05-13  Taras Glek  <tglek@mozilla.com>
1511
1512         * attribs.c (register_attribute): moved out attribute registration into
1513         register_attribute.
1514         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
1515         * gcc-plugin.h: Added forward decl for register_attribute.
1516         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
1517         * plugin.c (register_callback, invoke_plugin_callbacks): Added
1518         PLUGIN_ATTRIBUTES boilerplate.
1519
1520 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
1521
1522         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
1523         values even in sentinel and empty entries.
1524         (ms_printf_flag_specs):  Likewise.
1525         (ms_scanf_flag_specs):  Likewise.
1526         (ms_strftime_flag_specs):  Likewise.
1527         (ms_print_char_table):  Likewise.
1528         (ms_scan_char_table):  Likewise.
1529         (ms_time_char_table):  Likewise.
1530
1531 2009-05-13  Doug Kwan  <dougkwan@google.com>
1532
1533         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1534
1535 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1536
1537         * config/mips/mips.md (store): Add attributes for QI and HI.
1538         Update comment.
1539         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1540         (truncdi<mode>2): ... this new pattern.
1541
1542 2009-05-13  Brad Hards  <bradh@kde.org>
1543
1544         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1545
1546 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1547             Ben Elliston <bje@au.ibm.com>
1548
1549         PR middle-end/40035
1550         * dse.c (check_mem_read_rtx): Guard against width == -1.
1551
1552 2009-05-13  Michael Matz  <matz@suse.de>
1553
1554         PR middle-end/39976
1555         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1556         (trivially_conflicts_p): New function.
1557         (insert_backedge_copies): Use it.
1558
1559 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1560
1561         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1562         (handle_stdc_pragma): Use new enum constant names.
1563         (handle_pragma_float_const_decimal64): Ditto.
1564
1565 2009-05-13  Ian Lance Taylor  <iant@google.com>
1566
1567         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1568         tree.def.
1569
1570 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1571
1572         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1573         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1574         multilibs.
1575         * config/m68k/m68k.h (FL_UCLINUX): Define.
1576
1577 2009-05-13  Jan Hubicka  <jh@suse.cz>
1578
1579         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1580
1581 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1582
1583         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1584         unless -fschedule-insns is specified.
1585
1586 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1587
1588         PR target/39561
1589         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1590         TARGET_EXPAND_CBRANCHDI4.
1591         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1592         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1593         (cmpeqdi): Fix comment.
1594
1595 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1596
1597         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1598         (sh_legitimate_address_p): Likewise.
1599         * config/sh/sh.c (sh_legitimate_index_p): New.
1600         (sh_legitimate_address_p): Likewise.
1601         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1602         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1603         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1604         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1605         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1606         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1607         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1608         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1609         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1610
1611 2009-05-12  Jan Hubicka  <jh@suse.cz>
1612
1613         * tree-inline.c (estimate_operator_cost): Add operands;
1614         when division happens by constant, it is cheap.
1615         (estimate_num_insns): Loads and stores are not having cost of 0;
1616         EH magic stuff is cheap; when computing runtime cost of switch,
1617         use log2 base of amount of its cases; builtin_expect has cost of 0;
1618         compute cost for moving return value of call.
1619         (init_inline_once): Initialize time_based flags.
1620         * tree-inline.h (eni_weights_d): Add time_based flag.
1621
1622 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1623
1624         * df-core.c: Update head documentation.
1625
1626 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1627
1628         PR bootstrap/40118
1629         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1630         shadowing exisiting variable op1.
1631
1632 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1633
1634         PR target/37179
1635         * config/i386/driver-i386.c (processor_signatures): New enum.
1636         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1637         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1638         processor signature to detect geode processor.
1639
1640 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1641
1642         Revert:
1643
1644         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1645
1646         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1647         causes spurious differences between trunk and cond-optab branch.
1648
1649 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1650
1651         * dojump.c (compare_from_rtx): Delete.
1652         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1653         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1654         if the comparison does not satisfy the predicate; test predicates for
1655         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1656         further if one existing pattern fails.
1657         * expr.h (compare_from_rtx): Delete.
1658         (prepare_operand): Declare it.
1659         * optabs.c: Change "lib call" to "libcall" throughout.
1660         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1661         HAVE_conditional_trap, emit_cmp_insn): Delete.
1662         (can_compare_p): Delete cmp_optab case.
1663         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1664         Accept other parameters by value.
1665         (prepare_operand): Make non-static.
1666         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1667         other parameters by value.  Try to widen operands here based on
1668         an optab_methods argument and looking at cbranch_optab.
1669         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1670         loop.  Use cbranch_optab directly.
1671         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1672         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1673         assertion.
1674         (emit_conditional_move, emit_conditional_add): Inline what's needed
1675         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1676         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1677         with COMPARE.  Move cmov_optab and cstore_optab above
1678         with cbranch_optab, move cmp_optab down with ucmp_optab,
1679         remove tst_otpab.  Do not initialize trap_rtx.
1680         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1681         for trap code.  Do not check HAVE_conditional_trap.  Use
1682         prepare_cmp_insn.  Accept no predicate for operand 3.
1683         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1684         (OTI_ctrap, ctrap_optab): New.
1685         (tst_optab): Delete.
1686         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1687         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1688         with lookup of ctrap_optab.
1689         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1690         setcc_gen_code): Delete.
1691         (ctrap_optab): New.
1692
1693         * combine.c (combine_simplify_rtx, simplify_set): Do not
1694         special case comparing against zero for cc0 machines.
1695         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1696         COMPARE on cc0 machines.
1697         (simplify_relational_operation): Return a new expression when
1698         a COMPARE could be removed.
1699         * final.c (final_scan_insn): Compare cc_status values
1700         against LHS of a (compare FOO (const_int 0)) cc0 source.
1701         Also check if cc_status.value is the full compare.
1702
1703         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1704         (cstoreMM4): Document.
1705         (conditional_trap): Document ctrapMM4 instead.
1706         (sync_compare_and_swapMM): Refer to cbranchcc4.
1707         (Dependent Patterns): Eliminate obsolete information referring to
1708         the old jump optimization phase.
1709         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1710         of compares with 0 on cc0 machines.
1711         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1712         avoiding references to cc0.  Remove text about storing operands
1713         in cmpMM.
1714         * doc/tm.texi (Condition Codes): Include blurb on different
1715         condition code representations, separate into subsections for
1716         CC0, MODE_CC and conditional execution.
1717
1718         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1719         alpha_emit_setcc): Accept operands and a machine mode.
1720         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1721         Get code/op0/op1 from operands, use machine mode argument
1722         instead of alpha_compare.fp_p.  Emit the branch here.
1723         (alpha_emit_setcc): Likewise, and return boolean.
1724         (alpha_emit_conditional_move): Likewise.  Assert that
1725         cmp_op_mode == cmp_mode, and simplify accordingly.
1726         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1727         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1728         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1729         Delete.
1730         (stack probe test): Use cbranchdi4.
1731         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1732
1733         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1734         * config/arc/arc.h (movsicc, movsfcc): Use it.
1735         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1736         (cbranchsi4, cstoresi4): New.
1737         (cmpsi, bCC and sCC expanders): Remove. 
1738
1739         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1740         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1741         * config/arm/predicates.md (arm_comparison_operator): Only include
1742         floating-point operators if there is a hardware floating-point unit.
1743         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1744         deferring to cbranch_cc and cstore_cc respectively.
1745         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1746         cbranch_cc, cstore_cc): New.
1747         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1748         arm_compare_op1.
1749         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1750
1751         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1752         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1753         as an argument.
1754         (adjust_insn_length): Adjust calls.
1755         (avr_reorg): Handle (compare (foo) (const_int 0)).
1756         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
1757         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
1758         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
1759         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
1760         (bCC): Remove.
1761         (cbranchqi4, cbranchhi4, cbranchsi4): New.
1762         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
1763
1764         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
1765         (cbranchsi4, cstorebi4, cstoresi4): New.
1766         (movbisi): This insn is duplicate, split it to zero_extend.
1767         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
1768         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
1769         (bfin_optimize_loop): Use cbranch expander.
1770         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
1771         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
1772         (bfin_bimode_comparison_operator): ... this.
1773         (bfin_direct_comparison_operator): New.
1774  
1775         * config/cris/cris.c (cris_normal_notice_update_cc): Look
1776         inside (compare FOO (const_int 0)).
1777         (cris_rtx_costs): Handle ZERO_EXTRACT.
1778         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
1779         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1780         (*tstdi_v32): Delete.
1781         (*cmpdi_non_v32): Add M alternative for operand 1.
1782         (cmpsi, cmp<mode>): Make private.
1783         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1784         with COMPARE.
1785         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1786
1787         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1788         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1789         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1790         (cc_reg_operand): New.
1791         (any_cond): Delete.
1792         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1793         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1794         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1795         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1796         crx_expand_scond): Delete.
1797
1798         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1799         (cbranchsi4): New.
1800         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1801         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1802
1803         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1804         cstoresi4, cstoresf4, cstoredf4): New.
1805         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1806         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1807         Receive the entire operands array.
1808         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1809         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1810         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1811         Get test/op0/op1 from the operands array.
1812         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1813
1814         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1815         (h8300_expand_store): New.
1816         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1817         (const_int 0)).
1818         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1819         (h8300_expand_store): New.
1820         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1821         or do not try to produce (set (cc0) REG).
1822         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1823         change a compare into a move to a scratch register.  Disable some
1824         peepholes when comparing with zero.
1825         (tstsi, tsthi, tstsi, cmpqi): Make private.
1826         (cmphi): Delete.
1827         (bCC, sCC): Delete.
1828         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1829         cstoresi4): New.
1830
1831         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1832         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1833         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1834         (ix86_emit_i387_log1p): Use cbranchxf2.
1835         (ix86_expand_setcc): Return void.
1836         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1837         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1838         cmp<MODEF>, cmpcc): Remove.
1839         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1840         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1841         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1842         (sCC and bCC expanders): Remove.
1843         (stack_protect_test): Use cbranchcc4.
1844
1845         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1846         Delete.
1847         (ia64_expand_compare): Accept three rtx by reference and return void.
1848         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1849         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1850         from *expr.  Update *expr with the BImode comparison to do.
1851         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1852         cmptf, bCC, sCC, conditional_trap): Delete.
1853         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1854         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1855         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1856         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1857         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1858
1859         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1860         type of last argument.
1861         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1862         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1863         use machine mode argument instead of branch_type.  Remove dead
1864         code for floating-point comparisons.
1865         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1866         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1867         Remove.
1868         (cbranchsi4, cstoresi4): New.
1869         * config/iq2000/predicates.md (reg_or_const_operand): New.
1870
1871         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1872         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1873         (b<code>_op): Rewrite to...
1874         (bcc_op): ... this, using match_operator.
1875         (s<code>_op): Rewrite to...
1876         (scc_op): ... this, using match_operator.
1877         (s<code>_24_op): Rewrite to...
1878         (scc_op_24): ... this, using match_operator.
1879         (s<code>_<mode>): Rewrite to...
1880         (cstore<mode>4): ... this, using match_operator.
1881         (s<code>_<mode>_24): Rewrite to...
1882         (cstore<mode>4_24): ... this, using match_operator.
1883         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1884         m32c_unpend_compare, m32c_expand_scc): Delete.
1885         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1886         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1887         (m32c_expand_movcc): Change NE to EQ if necessary.
1888         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1889
1890         * config/m32r/m32r-protos.h (gen_cond_store): New.
1891         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1892         (gen_cond_store): New, from sCC patterns.
1893         (m32r_expand_block_move): Use cbranchsi4.
1894         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1895         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1896         (cbranchsi4, cstoresi4): New.
1897         
1898         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1899         Delete.
1900         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1901         (m68hc11_notice_update_cc): Look into a compare with 0.
1902         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1903         Delete.
1904         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1905         cmphi, cmpqi, bCC): Delete.
1906         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1907         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1908         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1909         sets with COMPARE.
1910
1911         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1912         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1913         * config/m68k/constraints.md (H): New.
1914         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1915         the define_insn below.
1916         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1917         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1918         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1919         patterns): Wrap RHS with COMPARE.
1920         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1921         (*cmpdi_internal): Name this pattern.
1922         (cmpdi): Change to define_insn.
1923         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1924         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1925         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1926         predicate.
1927         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1928         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1929         (conditional_trap): Change to...
1930         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1931         (*conditional_trap): Use the ordered_comparison_operator and
1932         const1_operand predicates.
1933         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1934         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1935         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1936         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1937
1938         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1939         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1940         (mcore_gen_compare): New. 
1941         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1942         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1943         (mcore_gen_compare): ... this.
1944         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1945         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1946         (stack probe pattern): Use cbranchsi4.
1947
1948         * config/mips/predicates.md (mips_cstore_operator): New.
1949         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1950         * config/mips/mips.md (any_cond): Delete.
1951         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1952         always succeed.
1953         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1954         fixuns_truncsfdi2): Use cbranch patterns.
1955         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1956         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1957         Adjust call to mips_expand_conditional_branch.
1958         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1959         cstore<GPR:mode>4.
1960         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1961         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1962         * config/mips/mips.c (cmp_operands): Delete.
1963         (mips_emit_compare): Get comparison operands from *op0/*op1.
1964         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1965         that it succeeds.  Use op0/op1 instead of cmp_operands.
1966         (mips_expand_conditional_branch, mips_expand_conditional_move,
1967         mips_expand_conditional_trap): Likewise.
1968         (mips_block_move_loop): Use cbranch patterns. 
1969         * config/mips/mips.h (cmp_operands): Delete.
1970
1971         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1972         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1973         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1974         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1975         (*cmpcc_folded): Rename to...
1976         (*cmpdi_folded): this.
1977         (*cmpcc): Rename to...
1978         (*cmps): ... this.
1979         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1980         (bCC): Remove.
1981         (cbranchdi4): New.
1982         (cbranchdf4): New.  Handle invalid comparisons here.
1983         * config/mmix/predicates.md (float_comparison_operator): New.
1984
1985         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1986         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1987         * config/mn10300/mn10300.md (tst): Delete.
1988         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1989         Name these patterns and wrap RHS in a compare.
1990         (*cmpsi): Make this pattern private.  Include tst.
1991         (*cmpsf): Make this pattern private.
1992         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1993         (compare with zero peepholes): Likewise.
1994         (bCC): Remove.
1995         (cbranchsi4, cbranchsf4): New.
1996         (casesi): Use cbranchsi4.
1997
1998         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1999         hppa_branch_type): Delete.
2000         (return_addr_rtx): Use cbranchsi4.
2001         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
2002         Emit CCFPmode comparison here.
2003         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
2004         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
2005         hppa_branch_type): Delete.
2006         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
2007         (movsicc, movdicc): Remove references to hppa_compare_op0,
2008         hppa_compare_op1 and compare_from_rtx.
2009         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
2010         (casesi): Use cbranchsi4.
2011
2012         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
2013         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
2014         * config/pdp11/pdp11.md (register_or_const0_operand): New.
2015         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
2016         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
2017         (bCC): Delete.
2018         (cbranchdf4, cbranchhi4, cbranchqi4): New.
2019         (*branch, *branch_inverted): New.
2020
2021         * config/picochip/picochip.md (cbranchhi4): Use
2022         ordered_comparison_operator.
2023         (cmphi, bCC): Remove.
2024
2025         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
2026         (trap_comparison_operator): Delete.
2027         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
2028         rs6000_emit_cbranch): Accept mode and operands.
2029         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
2030         rs6000_compare_fp_p): Delete.   
2031         (rs6000_generate_compare): Accept mode and comparison.  Extract code
2032         and op0/op1 from there.  Replace references to rs6000_compare_op0
2033         and rs6000_compare_op1.
2034         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
2035         extract result from passed operands.
2036         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
2037         extract loc from passed operands.
2038         (rs6000_emit_cmove): Likewise.
2039         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
2040         rs6000_compare_fp_p): Delete.
2041         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
2042         (cbranch<GPR>4, cbranch<FP>4): New.
2043         (cstore<mode>4): New.  Consolidate here all choices about when to use
2044         portable or specialized sCC sequences.
2045         (stack_protect_test): Use cbranchsi4.
2046         (conditional_trap): Replace with ctrap<GPR>4.
2047         (conditional trap insn): Replace trap_comparison_operator with
2048         ordered_comparison_operator. 
2049
2050         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
2051         (s390_emit_prologue): Use ctrap.
2052         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
2053         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
2054         New predicates replacing...
2055         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
2056         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
2057         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
2058         (add<mode>cc): Do not use s390_compare_op0/op1.
2059         (s<code>): Change to...
2060         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
2061         (seq): Change to...
2062         (cstorecc4): ... this.  Handle EQ or NE equally.
2063         (*sne): Un-privatize for use in cstorecc4.
2064         (b<code>): Change to...
2065         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
2066         (conditional_trap): Replace with...
2067         (ctrap<GPR>4, ctrap<FP>4): ... these.
2068         (stack_protect): Use cbranchcc4.
2069
2070         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
2071         * config/score/score-protos.h (score_gen_cmp): Delete.
2072         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
2073         (score_block_move-loop): Use cbranchsi4.
2074         * config/score/score.md (cbranchsi4): New.
2075         (cmpsi, bCC): Delete.
2076         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
2077         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2078         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
2079         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
2080         * config/score/score3.h (score3_gen_cmp): Delete.
2081         * config/score/score7.h (score7_gen_cmp): Delete.
2082
2083         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
2084         (sh_emit_scc_to_t): ... this.  Return void.
2085         (from_compare): Rename to...
2086         (sh_emit_compare_and_branch): ... this.
2087         (sh_emit_compare_and_set): New.
2088         (sh_expand_t_scc): Accept operands.
2089         * config/sh/predicates.md (sh_float_comparison_operator): New.
2090         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
2091         (prepare_scc_operands): Rename to...
2092         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
2093         arguments.
2094         (sh_emit_cheap_store_flag): New.
2095         (sh_emit_set_t_insn): New.
2096         (from_compare): Rename to...
2097         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
2098         handling of TARGET_SH2E floating point to avoid recursive call.
2099         Generate branch here.
2100         (sh_emit_compare_and_set): New.
2101         (sh_expand_t_scc): Get op0/op1 from arguments.
2102         (sh_emit_cheap_store_flag): New.
2103         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
2104         cases.
2105         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
2106         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
2107         (movsicc, movdicc): Do nothing when it recreated operands from
2108         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
2109         prepare_scc_operands (now sh_emit_scc_to_t).
2110         (udivdi3): Use cstoresi4.
2111         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
2112         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
2113         (cbranchint4_media, cbranchfp4_media): New.
2114         (casesi): Use cbranchdi4.
2115         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
2116         Delete.
2117         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
2118         (movnegt): Remove second operand.
2119         (cbranchsf4, cbranchdf4): New.
2120         (stack_protect): Use cbranchdi4/cbranchsi4.
2121
2122         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
2123         (gen_compare_reg): Accept comparison, extract part of it to...
2124         (gen_compare_reg_1): ... this. 
2125         (gen_compare_operator): Delete.
2126         (gen_v9_scc): Accept separate destination, comparison code and arms.
2127         Do not use sparc_compare_op0/sparc_compare_op1.
2128         (emit_scc_insn, emit_conditional_branch_insn): New.
2129         (emit_v9_brxx): Make static.  Remove useless assertion.
2130         (sparc_emit_float_lib_cmp): Return RTL instead of calling
2131         emit_cmp_insn.
2132         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
2133         * config/sparc/sparc-protos.h (gen_compare_reg,
2134         sparc_emit_float_lib_cmp): Adjust prototype.
2135         (emit_scc_insn, emit_conditional_branch_insn): New.
2136         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
2137         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
2138         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
2139         iterators to the top.
2140         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
2141         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
2142         snedi_special_trunc): Delete.
2143         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
2144         and snedi_special_trunc.
2145         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
2146         cbranchdi4, cbranch<F:mode>4): New.
2147         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
2148         here.  Use gen_compare_reg instead of gen_compare_operator.
2149         (conditional_trap): Replace with...
2150         (ctrapsi4, ctrapdi4): ... this.
2151         (stack_protect_test): Use cbranchcc4.
2152
2153         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
2154         argument to rtx.
2155         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
2156         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
2157         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
2158         from operands[0] or operands[3] depending on is_set.
2159         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
2160         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
2161         cmpdf, bCC), sCC: Remove.
2162         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
2163         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
2164         cstoredf4): New.
2165         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
2166         spu_emit_branch_or_set.
2167
2168         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
2169         Add two arguments.
2170         * config/stormy16/stormy16.h (xstormy16_compare_op0,
2171         xstormy16_compare_op1): Delete.
2172         * config/stormy16/stormy16.c (xstormy16_compare_op0,
2173         xstormy16_compare_op1): Delete. 
2174         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
2175         Adjust calls.
2176         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
2177         (cmphi, cmpsi, bCC): Remove.
2178
2179         * config/v850/v850.md (tstsi, cmpsi): Fold into...
2180         (*cmpsi): ... this one.
2181         (cbranchsi4, cstoresi4): New.
2182         (bCC expanders): Delete.
2183         (sCC insns): Fold into...
2184         (*setcc): ... this one.
2185         (casesi): Do not use gen_cmpsi and gen_bgtu. 
2186         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
2187         (movsicc): Simplify.
2188         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
2189
2190         * config/vax/vax-protos.h (cond_name): New.
2191         (vax_output_conditional_branch): Remove.
2192         * config/vax/vax.c (cond_name): New.
2193         (vax_output_conditional_branch): Remove.
2194         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
2195         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
2196         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
2197         (bit<VAXint>): Wrap source with (compare).
2198         (b<code> and following unnamed pattern): Rename to *branch and
2199         *branch_reversed.  Change macroization to match_operator.
2200         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
2201
2202         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
2203         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
2204         Change last argument to machine_mode.
2205         (xtensa_expand_scc): Add machine_mode argument.
2206         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
2207         (gen_conditional_move, xtensa_expand_conditional_branch,
2208         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
2209         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
2210         Adjust operand numbers.
2211         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
2212         Delete.
2213         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
2214         (cmpsi, cmpsf, b<code>, s<code>): Delete.
2215         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
2216
2217 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2218
2219         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2220         causes spurious differences between trunk and cond-optab branch.
2221
2222 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2223
2224         PR target/37137
2225         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
2226
2227 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2228
2229         * tree.c (iterative_hash_pointer): Delete.
2230         (iterative_hash_expr): Short-circuit handling of NULL pointer.
2231         Hash UIDs and versions of SSA names.  Don't special-case built-in
2232         function declarations.
2233
2234 2009-05-11  Ian Lance Taylor  <iant@google.com>
2235
2236         PR bootstrap/40103
2237         * graphite.c: Force -Wc++-compat to only be a warning before
2238         #including "cloog/cloog.h".
2239
2240 2009-05-11  Martin Jambor  <mjambor@suse.cz>
2241
2242         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2243         
2244 2009-05-11  Jan Hubicka  <jh@suse.cz>
2245
2246         * tree-ssa-loop-ivcanon.c: Include target.h
2247         (struct loop_size): new structure.
2248         (constant_after_peeling): New predicate.
2249         (tree_estimate_loop_size): New function.
2250         (estimated_unrolled_size): Rewrite for new estimates.
2251         (try_unroll_loop_completely): Use new estimates.
2252         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
2253
2254 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2255
2256         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
2257         libcpp interface change.
2258         (spu_macro_to_expand): Likewise.
2259
2260 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2261
2262         PR tree-optimization/40026
2263         * gimplify.c (gimplify_init_constructor): Change initial conditional
2264         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
2265         optimize_compound_literals_in_ctor.
2266
2267 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2268
2269         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
2270         New devices.
2271         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
2272
2273 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2274
2275         * tree-vect-data-refs.c (vect_analyze_group_access): Use
2276         HOST_WIDE_INT for gap.
2277
2278 2009-05-11  Ira Rosen  <irar@il.ibm.com>
2279
2280         PR tree-optimization/40074
2281         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
2282         account in group size and step comparison.
2283
2284 2009-05-11  Richard Guenther  <rguenther@suse.de>
2285
2286         * passes.c (init_optimization_passes): Strip now incorrect comment.
2287         (execute_function_todo): Do not set PROP_alias.
2288         * tree-pass.h (PROP_alias): Remove.
2289         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
2290         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
2291         * tree-nrv.c (pass_return_slot): Likewise.
2292         * tree-object-size.c (pass_object_sizes): Likewise.
2293         * tree-ssa-dom.c (pass_dominator): Likewise.
2294         (pass_phi_only_cprop): Likewise.
2295         * tree-ssa-dse.c (pass_dse): Likewise.
2296         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2297         (pass_cselim): Likewise.
2298         * tree-ssa-pre.c (pass_pre): Likewise.
2299         (pass_fre): Likewise.
2300         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2301         * tree-ssa-sink.c (pass_sink_code): Likewise.
2302         * tree-stdarg.c (pass_stdarg): Likewise.
2303         * tree-tailcall.c (pass_tail_calls): Likewise.
2304         * tree-vrp.c (pass_vrp): Likewise.
2305
2306 2009-05-10  Ian Lance Taylor  <iant@google.com>
2307
2308         * basic-block.h (enum profile_status): Break out of struct
2309         control_flow_graph.
2310         * cgraph.h (struct inline_summary): Break out of struct
2311         cgraph_local_info.
2312         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
2313         of struct cgraph_order_sort.
2314         * combine.c (enum undo_kind): New enum, broken out of struct undo.
2315         * cse.c (struct branch_path): Break out of struct
2316         cse_basic_block_data.
2317         * except.h (enum eh_region_type): Break out of struct eh_region.
2318         * gcc.c (enum add_del): Break out of struct modify_target.
2319         * genrecog.c (enum decision_type): Break out of struct decision_test.
2320         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
2321         ggc_pch_data.
2322         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
2323         * regmove.c (enum match_use): New enum, broken out of struct match.
2324         * sched-int.h (enum post_call_group): New enum, broken out of
2325         struct deps.
2326         (struct deps_reg): Break out of struct deps.
2327         * target.h (struct asm_int_op): Break out of struct gcc_target.
2328         * tree-eh.c (struct goto_queue_node): Break out of struct
2329         leh_tf_state.
2330         * tree-inline.h (enum copy_body_cge_which): Break out of
2331         copy_body_data.
2332         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
2333
2334         * c-decl.c (in_struct, struct_types): New static variables.
2335         (pushtag): Add loc parameter.  Change all callers.
2336         (lookup_tag): Add ploc parameter.  Change all callers.
2337         (check_compound_literal_type): New function.
2338         (parser_xref_tag): Add loc parameter.  Change all callers.  If
2339         -Wc++-compat, warn about struct/union/enum types defined within a
2340         struct or union.
2341         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
2342         and loc parameters.  Change all callers.  Change error calls to
2343         error_at, using loc.  For a redefinition, if the location of the
2344         original definition is known, report it.  Set in_struct and
2345         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
2346         (finish_struct): Add new parameters enclosing_in_struct and
2347         enclosing_struct_types.  Change all callers.  Set
2348         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
2349         in the struct.  If in a struct, add this struct to struct_types.
2350         (start_enum): Add loc parameter.  Change all callers.  Use
2351         error_at for errors, using loc.  For a redefinition, if the
2352         location of the original definition is known, report it.  If in a
2353         struct, add this enum type to struct_types.  If -Wc++-compat warn
2354         if in sizeof, typeof, or alignof.
2355         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
2356         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
2357         (c_parser_enum_specifier): Get enum location for start_enum.
2358         (c_parser_struct_or_union_specifier): Get struct location for
2359         start_struct.  Save in_struct and struct_types status between
2360         start_struct and finish_struct.
2361         (c_parser_cast_expression): Get location of cast.
2362         (c_parser_alignof_expression): Get location of type.
2363         (c_parser_postfix_expression): Likewise.
2364         (c_parser_postfix_expression_after_paren_type): Add type_loc
2365         parameter.  Change all callers.  Call check_compound_literal_type.
2366         Use type_loc for error about variable size type.
2367         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
2368         of an enum constant from an enum type defined in a struct or union.
2369         (c_cast_expr): Add loc parameter.  Change all callers.  If
2370         -Wc++-compat, warn about defining a type in a cast.
2371         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
2372         (start_enum, start_struct, finish_struct): Update declarations.
2373         (parser_xref_tag, c_cast_expr): Update declarations.
2374         (check_compound_literal_type): Declare.
2375
2376 2009-05-11  Ben Elliston  <bje@au.ibm.com>
2377
2378         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
2379         for recent libcpp interface change.
2380         (rs6000_macro_to_expand): Likewise.
2381
2382 2009-05-10  Michael Matz  <matz@suse.de>
2383
2384         PR target/40031
2385         * config/arm/arm.c (require_pic_register): Emit on entry edge,
2386         not at entry of function.
2387
2388 2009-05-10  Richard Guenther  <rguenther@suse.de>
2389
2390         PR tree-optimization/40081
2391         Revert
2392         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2393         using the main variant of the element type.  Do not fiddle with
2394         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2395
2396         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
2397         structs with volatile fields.
2398
2399 2009-05-10  Jan Hubicka  <jh@suse.cz>
2400
2401         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
2402         (estimate_move_cost): Assert that it does not get called for
2403         VOID_TYPE_P.
2404         (estimate_num_insns): Skip VOID types in argument handling.
2405         (optimize_inline_calls): Delete unreachable blocks and verify that
2406         callgraph is valid.
2407
2408 2009-05-10  Jan Hubicka  <jh@suse.cz>
2409
2410         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
2411         * cgraph.c (cgraph_mark_address_taken_node): New function.
2412         (dump_cgraph_node): Dump new flag.
2413         * cgraph.h (struct cgraph_node): Add address_taken.
2414         (cgraph_mark_address_taken_node): New function.
2415         * ipa.c (cgraph_postorder): Prioritize functions with address taken
2416         since new direct calls can be born.
2417
2418 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2419
2420         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
2421         tok->val.node.node.
2422
2423 2009-05-10  Jan Hubicka  <jh@suse.cz>
2424
2425         PR middle-end/40084
2426         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
2427         argument; rewrite.
2428         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
2429         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
2430         * tree-inline.c (copy_bb): Set frequency correctly.
2431         (fold_marked_statements): Update call to
2432         cgraph_update_edges_for_call_stmt.
2433
2434 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2435
2436         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
2437         identifiers in diagnostics.
2438         * config/arm/arm.c (arm_handle_fndecl_attribute,
2439         arm_handle_isr_attribute): Likewise.
2440         * config/avr/avr.c (avr_handle_progmem_attribute,
2441         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
2442         * config/bfin/bfin.c (handle_int_attribute,
2443         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
2444         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
2445         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
2446         Likewise.
2447         * config/darwin.c (darwin_handle_kext_attribute,
2448         darwin_handle_weak_import_attribute): Likewise.
2449         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
2450         h8300_handle_eightbit_data_attribute,
2451         h8300_handle_tiny_data_attribute): Likewise.
2452         * config/i386/i386.c (ix86_handle_cconv_attribute,
2453         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
2454         * config/i386/winnt.c (ix86_handle_shared_attribute,
2455         ix86_handle_selectany_attribute): Likewise.
2456         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2457         * config/m32c/m32c.c (function_vector_handler): Likewise.
2458         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
2459         m68hc11_handle_fntype_attribute): Likewise.
2460         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2461         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2462         * config/mips/mips.c (mips_insert_attributes,
2463         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
2464         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
2465         rs6000_handle_struct_attribute): Likewise.
2466         * config/sh/sh.c (sh_insert_attributes,
2467         sh_handle_resbank_handler_attribute,
2468         sh_handle_interrupt_handler_attribute,
2469         sh2a_handle_function_vector_handler_attribute,
2470         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2471         Likewise.
2472         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
2473         * config/spu/spu.c (spu_handle_fndecl_attribute,
2474         spu_handle_vector_attribute): Likewise.
2475         * config/stormy16/stormy16.c
2476         (xstormy16_handle_interrupt_attribute): Likewise.
2477         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
2478         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2479
2480 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2481
2482         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
2483         (pp_translate_identifiers): New.
2484         (pp_identifier): Only conditionally translate identifier to locale
2485         character set.
2486         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
2487         (pp_base_tree_identifier): Only conditionally translate identifier
2488         to locale character set.
2489         * c-pretty-print.c (M_): Define.
2490         (pp_c_type_specifier, pp_c_primary_expression): Mark English
2491         fragments for conditional translation with M_.
2492         * tree-pretty-print.c (maybe_init_pretty_print): Disable
2493         identifier translation.
2494
2495 2009-05-10  Richard Guenther  <rguenther@suse.de>
2496
2497         PR tree-optimization/40081
2498         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2499         using the main variant of the element type.  Do not fiddle with
2500         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2501
2502 2009-05-09  Jan Hubicka  <jh@suse.cz>
2503
2504         PR middle-end/40080
2505         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
2506         indirect calls; verify cgraph afterwards.
2507
2508 2009-05-09  Jan Hubicka  <jh@suse.cz>
2509
2510         PR bootstrap/40082
2511         * ipa.c (update_inlined_to_pointer): New function.
2512         (cgraph_remove_unreachable_nodes): Use it.
2513
2514 2009-05-09  Jan Hubicka  <jh@suse.cz>
2515
2516         * tree-eh.c (struct leh_state): Remove prev_try.
2517         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
2518         not track prev_try.
2519         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
2520         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
2521         remove_eh_handler_and_replace, foreach_reachable_handler,
2522         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2523         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2524         (gen_eh_region_cleanup): Update prototype.
2525
2526 2009-05-09  Jan Hubicka  <jh@suse.cz>
2527
2528         PR middle-end/40043
2529         * except.c (copy_eh_region): Always set prev_try.
2530         (redirect_eh_edge_to_label): Find outer try.
2531         (foreach_reachable_handler): When looking for prev try
2532         handle case where previous try is not going to be taken.
2533
2534 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2535
2536         PR tree-optimization/40049
2537         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2538         only vector/vector shifts, convert the type of the constant to the
2539         appropriate type to avoid building incorrect trees, which
2540         eventually have problems with garbage collection.
2541
2542 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2543
2544         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2545         -1 for complex floating-point types if honoring signed zeros.
2546
2547 2009-05-08  Jan Hubicka  <jh@suse.cz>
2548
2549         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2550         argument; handle correctly when profile is absent.
2551         (build_cgraph_edges): Update.
2552         (rebuild_cgraph_edges): Update.
2553         * cgraph.c: Do not include varray.h.
2554         (cgraph_set_call_stmt_including_clones): New function.
2555         (cgraph_create_edge_including_clones): Likewise
2556         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2557         (cgraph_update_edges_for_call_stmt): Handle clones.
2558         (cgraph_remove_node): Handle clone tree.
2559         (cgraph_remove_node_and_inline_clones): New function.
2560         (dump_cgraph_node): Dump clone tree.
2561         (cgraph_clone_node): Handle clone tree.
2562         (clone_function_name): Bring here from tree-inline.c.
2563         (cgraph_create_virtual_clone): New function.
2564         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2565         (cgraph_clone_info): New function.
2566         (strut cgraph_node): Add clone_info and new clone tree pointers.
2567         (cgraph_remove_node_and_inline_clones,
2568         cgraph_set_call_stmt_including_clones,
2569         cgraph_create_edge_including_clones,
2570         cgraph_create_virtual_clone): Declare.
2571         (cgraph_function_versioning): Use VEC argument.
2572         (compute_call_stmt_bb_frequency): Update prototype.
2573         (cgraph_materialize_all_clones): New function.
2574         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2575         (ipcp_create_replace_map): Update to VECtors.
2576         (ipcp_update_callgraph): Use virtual clones.
2577         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2578         (ipcp_update_profiling): Do not update local profiling.
2579         (ipcp_insert_stage): Use VECtors and virtual clones.
2580         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2581         (clone_of_p): New function.
2582         (cgraph_preserve_function_body_p): Use clone tree.
2583         (cgraph_optimize): Materialize clones.
2584         (cgraph_function_versioning): Update for VECtors.
2585         (save_inline_function_body): Use clone tree.
2586         (cgraph_materialize_clone): New function.
2587         (cgraph_materialize_all_clones): Likewise.
2588         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2589         * ipa.c: Include gimple.h.
2590         (cgraph_remove_unreachable_nodes): Use clone tree.
2591         * ipa-prop.c (ipa_note_param_call): Update call to
2592         compute_call_stmt_bb_frequencycall.
2593         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2594         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2595         (copy_bb): Handle updating of clone tree; add new edge when new call
2596         appears.
2597         (expand_call_inline): Be strict about every call having edge.
2598         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2599         (delete_unreachable_blocks_update_callgraph): New function.
2600         (tree_function_versioning): Use VECtors; always remove unreachable
2601         blocks and fold conditionals.
2602         * tree-inline.h: Do not include varray.h.
2603         (tree_function_versioning): Remove.
2604         * Makefile.in (GTFILES): Remove tree-inline.c
2605         * passes.c (do_per_function): Do only functions having body.
2606         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2607         tree.
2608
2609 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2610             Andrew Morrow  <acm@google.com>
2611
2612         PR c/36892
2613         * c-common.c (c_common_attribute_table): Permit deprecated
2614         attribute to take an optional argument.
2615         (handle_deprecated_attribute): If the optional argument to
2616         __attribute__((deprecated)) is not a string ignore the attribute
2617         and emit a warning.
2618
2619         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2620         * c-typeck.c (build_component_ref): Likewise.
2621         (build_external_ref): Likewise.
2622
2623         * toplev.c (warn_deprecated_use): Add an attribute argument.
2624         Emit the message associated with __attribute__((deprecated)).
2625
2626         * toplev.h (warn_deprecated_use): Updated.
2627
2628         * doc/extend.texi: Document new optional parameter to
2629         __attribute__((deprecated))
2630
2631 2009-05-08  Michael Eager <eager@eagercon.com>
2632
2633         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2634         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2635
2636 2009-05-08  Richard Guenther  <rguenther@suse.de>
2637
2638         PR tree-optimization/40062
2639         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2640         Avoid exponential behavior.
2641
2642 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2643
2644         PR rtl-optimization/33928
2645         PR 26854
2646         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2647         process_uses, build_single_def_use_links): New.
2648         (update_df): Update use_def_ref.
2649         (forward_propagate_into): Use get_def_for_use instead of use-def
2650         chains.
2651         (fwprop_init): Call build_single_def_use_links and let it initialize
2652         dataflow.
2653         (fwprop_done): Free use_def_ref.
2654         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2655         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2656         df_rd_simulate_one_insn): New.
2657         (df_rd_bb_local_compute_process_def): Update head comment.
2658         (df_chain_create_bb): Use the new RD simulation functions.
2659         * df.h (df_rd_simulate_artificial_defs_at_top, 
2660         df_rd_simulate_one_insn): New.
2661         * opts.c (decode_options): Enable fwprop at -O1.
2662         * doc/invoke.texi (-fforward-propagate): Document this.
2663
2664 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2665
2666         PR c/24581
2667         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2668         and one complex operand specially.
2669         * tree-complex.c (some_nonzerop): Do not identify a real value as
2670         zero if flag_signed_zeros.
2671
2672 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2673
2674         PR rtl-optimization/33928
2675         * loop-invariant.c (record_use): Fix && vs. || mishap.
2676
2677 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2678
2679         PR rtl-optimization/33928
2680         * loop-invariant.c (struct use): Add addr_use_p.
2681         (struct def): Add n_addr_uses.
2682         (struct invariant): Add cheap_address.
2683         (create_new_invariant): Set cheap_address.
2684         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2685         (record_uses): Pass df_ref to record_use.
2686         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2687         used only as such.
2688
2689 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2690
2691         * config/sh/sh.c: Do not include c-pragma.h.
2692
2693 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2694
2695         * config/spu/spu.c: Remove include of c-common.h.
2696
2697 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2698
2699         PR c/39037
2700         * c-common.h (mark_valid_location_for_stdc_pragma,
2701         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2702         clear_float_const_decimal64, float_const_decimal64_p): New.
2703         * c.opt (Wunsuffixed-float-constants): New.
2704         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2705         unsuffixed float constant, handle new warning.
2706         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2707         * c-decl.c (c_scope): New flag float_const_decimal64.
2708         (set_float_const_decimal64, clear_float_const_decimal64,
2709         float_const_decimal64_p): New.
2710         (push_scope): Set new flag.
2711         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2712         to use STDC pragmas.
2713         (c_parser_external_declaration): Ditto.
2714         (c_parser_compound_statement_nostart): Ditto.
2715         * c-pragma.c (valid_location_for_stdc_pragma,
2716         mark_valid_location_for_stdc_pragma,
2717         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2718         handle_pragma_float_const_decimal64): New.
2719         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2720         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2721         set_float_const_decimal64, clear_float_const_decimal64,
2722         float_const_decimal64_p): New dummy functions.
2723         * doc/extend.texi (Decimal Float): Remove statement that the
2724         pragma, and suffix for double constants, are not supported.
2725         * doc/invoke.texi (Warning Options): List new option.
2726         (-Wunsuffixed-float-constants): New.
2727
2728 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2729
2730         * config/i386/i386.c: Do not include c-common.h.
2731
2732 2009-05-07  Mark Heffernan  <meheff@google.com>
2733
2734         * doc/invoke.texi (Debugging Options): Document change of debugging
2735         dump location.
2736         * opts.c (decode_options): Make dump_base_name relative to
2737         aux_base_name directory.
2738
2739 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2740
2741         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2742         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2743
2744 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2745
2746         * Makefile.in (install-plugin): Simplify a bit.
2747
2748 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2749
2750         * Makefile.in (OBJS-common): Add regcprop.o.
2751         (regcprop.o): New.
2752         * timevar.def (TV_CPROP_REGISTERS): New.
2753         * regrename.c (regrename_optimize): Return 0.
2754         (rest_of_handle_regrename): Delete.
2755         (pass_rename_registers): Point to regrename_optimize.
2756         (struct value_data_entry, struct value_data, 
2757         kill_value_one_regno, kill_value_regno, kill_value,
2758         set_value_regno, init_value_data, kill_clobbered_value,
2759         kill_set_value, kill_autoinc_value, copy_value,
2760         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
2761         replace_oldest_value_reg, replace_oldest_value_addr,
2762         replace_oldest_value_mem, copyprop_hardreg_forward_1,
2763         debug_value_data, validate_value_data): Move...
2764         * regcprop.c: ... here.
2765         (rest_of_handle_cprop): Delete.
2766         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
2767
2768 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
2769
2770         PR middle-end/40057
2771         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
2772         GEN_INT for 1 << bitnum.
2773         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2774         build_int_cst_type.
2775
2776 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2777
2778         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2779         Remove wrong description of "nand" operation.
2780
2781 2009-05-06  Richard Guenther  <rguenther@suse.de>
2782             Adam Nemet  <anemet@caviumnetworks.com>
2783
2784         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2785         comment.  Add that if LHS is not a gimple register, then RHS1 has
2786         to be a single object (GIMPLE_SINGLE_RHS).
2787
2788 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2789
2790         * expr.c (get_def_for_expr): Move it up in the file.
2791         (store_field): When expanding a bit-field store, look at the
2792         defining gimple stmt for the masking conversion.
2793
2794 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2795
2796         PR middle-end/39986
2797         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2798         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2799         32-bit memcpy into long.
2800
2801 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2802
2803         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2804         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2805         new_reg_loc_descr.
2806         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2807         instead of appending DW_OP_deref*.
2808
2809 2009-05-06  Michael Matz  <matz@suse.de>
2810
2811         PR middle-end/40021
2812         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2813         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2814
2815 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2816
2817         * Makefile.in (install-plugin): Fix srcdir handling.
2818
2819 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2820
2821         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2822         when processing for not_regs_needed bitmap.
2823         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2824         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2825         handling it for rhs. 
2826
2827 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2828
2829         * config/i386/i386.md (unnamed inc/dec peephole): Use
2830         optimize_insn_for_size_p instead of optimize_size.
2831         * config/i386/predicates.md (incdec_operand): Likewise.
2832         (aligned_operand): Likewise.
2833         * config/i386/sse.md (divv8sf3): Likewise.
2834         (sqrtv8sf2): Likewise.
2835
2836 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2837
2838         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2839
2840         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2841
2842 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2843
2844         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2845         ssemodesuffixf2c with avxmodesuffixf2c.
2846
2847 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2848
2849         PR c/40032
2850         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2851
2852 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2853
2854         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2855         (struct tree_base): Adjust spacing for 8 bit boundaries.
2856         (struct tree_decl_common): Add decl_by_reference_flag bit.
2857         (DECL_BY_REFERENCE): Adjust.
2858         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2859         print DECL_BY_REFERENCE bit.
2860         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2861         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2862         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2863         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2864         unconditionally.
2865
2866         PR middle-end/39666
2867         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2868         range of the type, but default label is missing, add it with one
2869         of the existing labels instead of adding a new label for it.
2870
2871 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2872
2873         * dwarf.h: Remove.
2874
2875 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2876
2877         * Makefile.in (enable_plugin, plugin_includedir): New.
2878         (install): Depend on install-plugin.
2879         (PLUGIN_HEADERS): New.
2880         (install-plugin): New.
2881         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2882
2883 2009-05-05  Richard Guenther  <rguenther@suse.de>
2884
2885         PR tree-optimization/40022
2886         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2887         the only vuse.
2888         (phivn_valid_p): Fix tuplification error, simplify.
2889         (phiprop_insert_phi): Add dumps.
2890         (propagate_with_phi): Simplify.
2891
2892 2009-05-05  Richard Guenther  <rguenther@suse.de>
2893
2894         PR middle-end/40023
2895         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2896
2897 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2898
2899         * tree.h (strip_float_extensions): Remove duplicate declaration.
2900         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2901         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2902         block_ultimate_origin): Rearrange the declarations line to match the
2903         comment that indicates the .c file which the functions are defined.
2904         (dwarf2out_*, set_decl_rtl): Add comment.
2905         (get_base_address): Adjust comment.
2906         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2907         declarations line and add comment.
2908         (is_builtin_name): Add blank after function name, for clarity.
2909
2910 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2911
2912         * attribs.c (decl_attributes): Use %qE for identifiers in
2913         diagnostics.
2914         * cgraphunit.c (verify_cgraph_node): Translate function names to
2915         locale character set in diagnostics.
2916         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2917         diagnostics.
2918         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2919         Document that functions are named in UTF-8.
2920         * expr.c (expand_expr_real_1): Translate function names to locale
2921         character set in diagnostics.
2922         * gimplify.c (omp_notice_variable, omp_is_private,
2923         gimplify_scan_omp_clauses): Use %qE for identifiers in
2924         diagnostics.
2925         * langhooks.c (lhd_print_error_function): Translate function names
2926         to locale character set.
2927         * langhooks.h (decl_printable_name): Document that return value is
2928         in internal character set.
2929         * stmt.c: Include pretty-print.h
2930         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2931         diagnostics.
2932         (resolve_operand_name_1): Translate named operand name to locale
2933         character set.
2934         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2935         diagnostics.
2936         * toplev.c (announce_function): Translate function names to locale
2937         character set.
2938         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2939         (default_tree_printer): Use pp_identifier or translate identifiers
2940         to locale character set.  Mark "<anonymous>" for translation.
2941         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2942         for identifiers in diagnostics.
2943         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2944         diagnostics.
2945         * varasm.c (output_constructor): Use %qE for identifiers in
2946         diagnostics.
2947
2948 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2949
2950         * configure.ac: use ` ` instead of $()
2951         * configure: Regenerate.
2952
2953 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2954
2955         * config/pa/linux-atomic.c: Eliminate conditional include of
2956         errno.h on non-LP64 systems to simplify build requirements.
2957
2958 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2959
2960         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2961         diagnostics.
2962         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2963         and pass value to identifier_to_locale.
2964         (warn_variable_length_array): Make name a tree.
2965         (grokdeclarator): Separate diagnostic texts for named and unnamed
2966         declarators.  Use %qE for named declarators.
2967         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2968         diagnostics.
2969         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2970         identifiers in diagnostics.
2971         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2972         identifier_to_locale.  Mark "anonymous" strings for translation.
2973
2974 2009-05-04  Michael Eager <eager@eagercon.com>
2975
2976         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2977         address for DImode/DFmode only if double-precision FP regs.
2978
2979 2009-05-04  Michael Eager <eager@eagercon.com>
2980
2981         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2982         TARGET_SINGLE_FLOAT check.
2983
2984 2009-05-04  Michael Eager <eager@eagercon.com>
2985
2986         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2987
2988 2009-05-04  Michael Eager <eager@eagercon.com>
2989
2990         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2991         * config/rs6000/t-xilinx: New
2992
2993 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2994
2995         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2996         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2997         * gcc/explow.c (memory_address): Use target hook.
2998         * gcc/targhooks.c (default_legitimize_address): New.
2999         * gcc/targhooks.h (default_legitimize_address): New.
3000         * gcc/target.h (legitimize_address): New.
3001         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
3002         (TARGET_INITIALIZER): Include it.
3003         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
3004
3005         * config/bfin/bfin-protos.h (legitimize_address): Remove.
3006         * config/bfin/bfin.c (legitimize_address): Remove.
3007         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
3008         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
3009         Remove.
3010         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
3011         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
3012
3013         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
3014         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
3015         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
3016         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
3017         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
3018         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
3019         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
3020         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
3021         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
3022         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
3023         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
3024         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
3025         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
3026         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
3027         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
3028         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
3029         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
3030         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
3031         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
3032         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
3033         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
3034         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
3035         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
3036
3037         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
3038         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
3039         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
3040         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
3041         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
3042         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
3043         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
3044         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
3045         (thumb_legitimize_address): Delete.
3046         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
3047         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
3048         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
3049         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
3050         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
3051         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
3052         Delete.
3053         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
3054         Delete.
3055
3056         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
3057         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
3058         * config/m32r/m32r.c (m32r_legitimize_address): New.
3059         * config/m68k/m68k.c (m68k_legitimize_address): New.
3060         * config/score/score.c (score_legitimize_address): Standardize.
3061         * config/score/score3.c (score3_legitimize_address): Standardize.
3062         * config/score/score3.h (score3_legitimize_address): Adjust.
3063         * config/score/score7.c (score7_legitimize_address): Standardize.
3064         * config/score/score7.h (score7_legitimize_address): Adjust.
3065         * config/sh/sh.c (sh_legitimize_address): New.
3066         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
3067
3068         * gcc/config/s390/s390.c (legitimize_address): Rename to...
3069         (s390_legitimize_address): ... this.
3070         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
3071         (sparc_legitimize_address): ... this.
3072         * gcc/config/i386/i386.c (legitimize_address): Rename to...
3073         (ix86_legitimize_address): ... this.
3074         * gcc/config/avr/avr.c (legitimize_address): Rename to...
3075         (avr_legitimize_address): ... this.
3076         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
3077         (mn10300_legitimize_address): ... this.
3078         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
3079         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
3080         (alpha_expand_mov): Adjust call.
3081
3082         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
3083         * config/spu/spu.c (spu_legitimize_address): Likewise.
3084         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
3085         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
3086
3087 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
3088
3089         * intl.c (locale_encoding, locale_utf8): New.
3090         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
3091         * intl.h (locale_encoding, locale_utf8): Declare.
3092         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
3093         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
3094         New.
3095         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
3096         argument.
3097         (pp_tree_identifier): Define to call pp_base_tree_identifier.
3098         (pp_base_tree_identifier): Declare as function.
3099         (identifier_to_locale): Declare.
3100         * Makefile.in (pretty-print.o): Update dependencies.
3101         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
3102
3103 2009-05-04  Richard Guenther  <rguenther@suse.de>
3104
3105         PR middle-end/40015
3106         * builtins.c (fold_builtin_memory_op): Do not decay to element
3107         type if the size matches the whole array.
3108
3109 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3110
3111         * expmed.c (synth_mult): When trying out a shift, pass the result
3112         of a signed shift.
3113
3114 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
3115
3116         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
3117         (shiftsub1_cost): New.
3118         (init_expmed): Compute shiftsub1_cost.
3119         (synth_mult): Optimize multiplications by constants of the form
3120         -(2^^m-1) for some constant positive integer m.
3121
3122 2009-05-03  Richard Guenther  <rguenther@suse.de>
3123
3124         PR c/39983
3125         * c-typeck.c (array_to_pointer_conversion): Do not built
3126         ADDR_EXPRs of arrays of pointer-to-element type.
3127         * c-gimplify.c (c_gimplify_expr): Revert change fixing
3128         up wrong ADDR_EXPRs after-the-fact.
3129         * c-common.c (strict_aliasing_warning): Strip pointer
3130         conversions for obtaining the original type.
3131         * builtins.c (fold_builtin_memset): Handle array types.
3132         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
3133         and array types
3134
3135 2009-05-03  Richard Guenther  <rguenther@suse.de>
3136
3137         PR middle-end/23329
3138         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
3139         Do not lose casts from array types with unknown extent to array
3140         types with known extent.
3141         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
3142         alias set compatibility.
3143
3144 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3145
3146         * flags.h (extra_warnings): Delete.
3147         * toplev.c (process_options): Handle Wuninitialized here.
3148         * opts.c (extra_warnings): Delete.
3149         (set_Wextra): Delete.
3150         (common_handle_option): -Wextra can be handled automatically.
3151         * c-opts.c (c_common_handle_option): Delete obsolete code.
3152         (c_common_post_options): Simplify comment.
3153         * common.opt (W): Add Var.
3154         (Wextra): Add Var.
3155         (Wuninitialized): Initialize to -1.
3156
3157 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
3158             Richard Guenther  <rguenther@suse.de>
3159
3160         * expr.c (get_def_for_expr): New function.
3161         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
3162         SSA rather than trees.
3163         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
3164         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
3165         
3166 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
3167
3168         * c-common.c (reswords): Add _Imaginary.
3169         * c-common.c (enum rid): Add RID_IMAGINARY.
3170
3171 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
3172
3173         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
3174         Patch by Richard Guenther.
3175
3176 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
3177
3178         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
3179         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
3180         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
3181         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
3182         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
3183         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
3184         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
3185         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
3186         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
3187         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
3188         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
3189         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
3190         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
3191         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
3192         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
3193         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
3194         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
3195         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
3196
3197 2009-05-02  Richard Guenther  <rguenther@suse.de>
3198
3199         PR tree-optimization/39940
3200         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
3201         doing so.
3202
3203 2009-05-02  Richard Guenther  <rguenther@suse.de>
3204
3205         PR middle-end/40001
3206         * tree-ssa.c (execute_update_addresses_taken): Properly check
3207         if we can mark a variable DECL_GIMPLE_REG_P.
3208         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
3209         back to the end of the function.
3210         (is_gimple_reg_type): Remove complex type special casing.
3211         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
3212         if not optimizing.
3213
3214 2009-05-02  Ben Elliston  <bje@au.ibm.com>
3215
3216         * doc/collect2.texi (Collect2): Document search path behaviour
3217         when configured with --with-ld.
3218
3219 2009-05-02  Jan Hubicka  <jh@suse.cz>
3220
3221         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
3222         parameter; update callers.
3223         (coalesce_cost_edge): EH edges are costier because they needs
3224         splitting even if not critical and even more costier when there are
3225         multiple EH predecestors.
3226
3227 2009-05-02  Jan Hubicka  <jh@suse.cz>
3228
3229         * except.c (remove_eh_handler_and_replace): Handle updating after
3230         removing TRY blocks.
3231
3232 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3233
3234         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
3235
3236 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3237
3238         * varasm.c: Do not include c-pragma.h.
3239         * attribs.c: Do not incude c-common.h.
3240
3241 2009-05-01  Michael Matz  <matz@suse.de>
3242
3243         * calls.c (initialize_argument_information): Handle SSA names like
3244         decls with a non MEM_P DECL_RTL.
3245
3246 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3247
3248         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
3249         * ipa-utils.c: Likewise.
3250         * ipa-type-escape.c: Likewise.
3251         * cgraphunit.c Do not include c-common.h.
3252         * ipa-pure-const.c: Likewise.
3253         * tree-if-conv.c: Likewise.
3254         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
3255         * ipa-struct-reorg.c: Likewise.
3256         * tree-nomudflap.c: Likewise.
3257         * tree-ssa-structalias.c: Likewise.
3258
3259 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3260
3261         * store-motion.c: Many cleanups to make this pass a first-class
3262         citizen instead of an appendix to gcse load motion.  Add TODO list
3263         to make this pass faster/cleaner/better.
3264
3265         (struct ls_expr): Post gcse.c-split cleanups.
3266         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
3267         "stores" field to "avail_stores".
3268         (pre_ldst_mems): Rename to store_motion_mems.
3269         (pre_ldst_table): Rename to store_motion_mems_table.
3270         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
3271         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
3272         (ldst_entry): Rename to st_expr_entry, update users.
3273         (free_ldst_entry): Rename to free_st_expr_entry, update users.
3274         (free_ldst_mems): Rename to free_store_motion_mems, update users.
3275         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
3276         update caller.
3277         (first_ls_expr): Rename to first_st_expr, update users.
3278         (next_ls_expr): Rename to next_st_expr, update users.
3279         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
3280         fields properly for store motion instead of names inherited from load
3281         motion in gcse.c.
3282         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
3283         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
3284         are done with it.
3285
3286         (ae_kill): Rename to st_kill, update users.
3287         (ae_gen): Rename to st_avloc, update users.
3288         (transp): Rename to st_transp, update users.
3289         (pre_insert_map): Rename to st_insert_map, update users.
3290         (pre_delete_map): Rename to st_delete_map, update users.
3291         (insert_store, build_store_vectors, free_store_memory,
3292         one_store_motion_pass): Update for abovementioned changes.
3293
3294         (gcse_subst_count, gcse_create_count): Remove.
3295         (one_store_motion_pass): New statistics counters "n_stores_deleted"
3296         and "n_stores_created", local variables.
3297
3298         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
3299         use for_each_rtx.
3300
3301         (regvec, compute_store_table_current_insn): Remove.
3302         (reg_set_info, reg_clear_last_set): Remove.
3303         (compute_store_table): Use DF caches instead of local dataflow
3304         solvers.
3305
3306 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
3307
3308         * c-objc-common.c (c_tree_printer): Print identifiers with
3309         pp_identifier, not pp_string.  Mark "({anonymous})" for
3310         translation.
3311         * c-pretty-print.c (pp_c_ws_string): New.
3312         (pp_c_cv_qualifier, pp_c_type_specifier,
3313         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
3314         pp_c_storage_class_specifier, pp_c_function_specifier,
3315         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
3316         pp_c_primary_expression, pp_c_postfix_expression,
3317         pp_c_unary_expression, pp_c_shift_expression,
3318         pp_c_relational_expression, pp_c_equality_expression,
3319         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
3320         use pp_string and pp_c_ws_string in place of pp_identifier and
3321         pp_c_identifier for non-identifiers.  Mark English strings for
3322         translation.
3323         * c-pretty-print.h (pp_c_ws_string): Declare.
3324
3325 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
3326             Roland McGrath <roland@redhat.com>
3327
3328         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
3329         (ENABLE_LD_BUILDID): New configuration option.
3330         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
3331         (LINK_BUILDID_SPEC): New macro.
3332         (init_spec): If defined, prepend it between LINK_EH_SPEC and
3333         link_spec.
3334         * doc/install.texi: Document --enable-linker-build-id option.
3335         * configure: Rebuild.
3336         * config.in: Rebuild.
3337
3338 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
3339
3340         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
3341         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
3342         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
3343         MIPS_GP_SAVE_AREA_SIZE.
3344         * config/mips/mips.c (struct mips_frame_info): Update comment
3345         before arg_pointer_offset and hard_frame_pointer_offset.
3346         (mips_compute_frame_info): Update diagram before function: to
3347         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
3348         indicate the position of frame_pointer_rtx with -fstack-protector and
3349         to show args_size.  Don't allocate cprestore area for leaf functions
3350         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
3351         cprestore_size.
3352         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
3353
3354 2009-04-30  Michael Matz  <matz@suse.de>
3355
3356         PR tree-optimization/39955
3357         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
3358
3359 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3360
3361         * ira.c (setup_cover_and_important_classes):  Use safe macro
3362         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
3363         directly.
3364         * genpreds.c (write_tm_preds_h):  Output suitable definition of
3365         REG_CLASS_FOR_CONSTRAINT.
3366
3367 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3368
3369         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
3370         instead of an int.
3371         * bitmap.c (bitmap_descriptor): Likewise.
3372         * ggc-common.c (loc_descriptor): Likewise.
3373         * varray.c (varray_descriptor): Likewise.
3374         * vec.c (vec_descriptor): Likewise.
3375
3376 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3377
3378         * Makefile.in (dce.o): Add $(EXCEPT_H).
3379         * dce.c: Include except.h and delete redundant vector definitions.
3380         (deletable_insn_p): Return false for non-call insns that can throw
3381         if DF is running.
3382
3383 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3384
3385         * gcse.c (ae_gen): Remove.
3386         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
3387         and make non-static function to make it available in store-motion.c.
3388         Update call sites with search-and-replace.
3389         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
3390         extract_mentioned_regs, extract_mentioned_regs_helper,
3391         find_moveable_store, compute_store_table, load_kills_store, find_loads,
3392         store_killed_in_insn, store_killed_after, store_killed_before,
3393         build_store_vectors, insert_insn_start_basic_block, insert-store,
3394         remove_reachable_equiv_notes, replace_store_insn, delete_store,
3395         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
3396         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
3397         * store-motion.c: ...new file.  Also copy data structures from gcse.c
3398         and clean up to remove parts not used by store motion.
3399         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
3400         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
3401
3402 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3403
3404         PR target/38571
3405         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
3406         when optimizing for size.
3407
3408 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
3409
3410         * gcse.c (gcse_constant_p): Fix typo in last change.
3411
3412 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3413
3414         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
3415
3416 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3417
3418         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
3419
3420 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
3421
3422         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
3423         CONST_HIGH_PART result.
3424
3425 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
3426
3427         * config/avr/avr.c (initial_elimination_offset): Rename to
3428         avr_initial_elimination_offset.
3429         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
3430         change return type to bool.
3431         (avr_can_eliminate): New function.
3432         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
3433         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
3434         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
3435         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
3436         avr_initial_elimination_offset.
3437         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
3438         (avr_initial_elimination_offset): Define.
3439
3440 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
3441             Steven Bosscher  <steven@gcc.gnu.org>
3442
3443         PR rtl-optimization/39938
3444         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
3445         * cfgrtl.c: Include insn-attr.h.
3446         (rest_of_pass_free_cfg): New function.
3447         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
3448         * resource.c (init_resource_info): Remove call to df_analyze.
3449
3450 2009-04-29  Richard Guenther  <rguenther@suse.de>
3451
3452         PR target/39943
3453         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
3454         allow conversion to signed integers.
3455
3456 2009-04-29  Richard Guenther  <rguenther@suse.de>
3457
3458         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
3459         shifts of floating point vectors if the shift amount is
3460         a constant multiple of the element size.
3461
3462 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3463             Michael Matz  <matz@suse.de>
3464
3465         PR middle-end/39927
3466         PR bootstrap/39929
3467         * tree-outof-ssa.c (emit_partition_copy): New function.
3468         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3469         insert_part_to_rtx_on_edge): Perform the partition base var
3470         copy using emit_partition_copy.
3471         (insert_value_copy_on_edge): Convert constants to the right mode.
3472         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
3473         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
3474
3475 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3476
3477         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
3478         scan backwards to try to find a constant to initialize it.
3479
3480         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
3481         insn before the loop_end instruction, don't look past labels.
3482
3483 2009-04-29  Richard Guenther  <rguenther@suse.de>
3484
3485         PR middle-end/39937
3486         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3487         loose type conversions.
3488         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
3489         stmts only if there are no uses of its definition.
3490
3491 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3492
3493         * config/bfin/bfin.h (splitting_loops): Declare.
3494         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
3495         Reorder bit definitions to be ascending.
3496         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
3497         * config/bfin/bfin.c (splitting_loops): New variable.
3498         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
3499         (struct loop_info): Remove members INIT and LOOP_INIT.
3500         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
3501         the LSETUP sequence.  Allow LC to be loaded from any register, but
3502         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
3503         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
3504         set to 1.
3505         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
3506         of reload_completed.
3507
3508         From Jie Zhang:
3509         * config/bfin/bfin.md (movsi_insn): Refine constraints.
3510
3511 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
3512
3513         * Makefile.in (PLUGIN_VERSION_H): New.
3514         (OBJS-common): Remove plugin-version.o.
3515         (plugin.o): Depend on (PLUGIN_VERSION_H).
3516         (plugin-version.o): Remove.
3517         * configure: Regenerate
3518         * configure.ac: Create plugin-version.h.
3519         * gcc-plugin.h (plugin_gcc_version): Remove.
3520         (plugin_default_version_check): Change signature.
3521         * plugin-version.c: Remove.
3522         * plugin.c: Include plugin-version.h.
3523         (str_plugin_gcc_version_name): Remove.
3524         (try_init_one_plugin): Pass gcc version to plugin_init.
3525         (plugin_default_version_check): Both gcc and plugin versions are now
3526         arguments.
3527
3528 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3529         
3530         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3531         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3532         Remove special case testing for last insn of inner loops. Don't fail
3533         if the loop ends with a jump, emit an extra nop instead.
3534
3535         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3536         DREGS rather than comparing directly.  Remove code that tries to
3537         account for latencies.
3538
3539 2009-04-29  Richard Guenther  <rguenther@suse.de>
3540
3541         PR tree-optimization/39941
3542         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3543         eliminating an indirect call.
3544
3545 2009-04-29  Richard Guenther  <rguenther@suse.de>
3546
3547         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3548         parameter.  Allow invariants as base if !require_lvalue.
3549         (verify_gimple_assign_single): Adjust.
3550
3551 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3552
3553         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3554         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3555         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3556         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3557         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3558         a VEC_SELECT.
3559         * config/bfin/bfin.c (bfin_expand_builtin,
3560         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3561
3562 2009-04-28  Richard Guenther  <rguenther@suse.de>
3563
3564         * tree-vect-loop.c (get_initial_def_for_induction): Use
3565         correct types for pointer increment.
3566
3567 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3568
3569         * toplev.c (print_version): Update GMP version string calculation.
3570
3571 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3572
3573         PR rtl-optimization/39938
3574         * resource.c (init_resource_info): Add call to df_analyze.
3575
3576 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3577
3578         * config/alpha/alpha.md (usegp): Cast the result of
3579         alpha_find_lo_sum_using_gp to enum attr_usegp.
3580         * config/alpha/alpha.c (override_options): Remove end-of-structure
3581         marker element from cpu_table.  Use array size of cpu_table to handle
3582         -mcpu and -mtune options.
3583         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3584
3585 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3586
3587         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3588         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3589         tune_32 and tune_64.
3590         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3591         support on PowerPC.
3592         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3593         * config/rs6000/option-defaults.h: ... here.  New file.
3594         (OPT_64, OPT_32): Define.
3595         (MASK_64BIT): Define to 0 if not already defined.
3596         (OPT_ARCH64, OPT_ARCH32): Define.
3597         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3598         and tune_64.
3599
3600 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3601
3602         * config/arm/arm.c (arm_override_options): Emit error on using
3603         fpa with AAPCS.
3604
3605 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3606
3607         PR rtl-optimization/39914
3608         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3609         registers for allocnos created from user-defined variables only
3610         when not optimizing.
3611
3612 2009-04-28  Richard Guenther  <rguenther@suse.de>
3613
3614         PR middle-end/39937
3615         * fold-const.c (fold_binary): Use distribute_real_division only
3616         on float types.
3617
3618 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3619
3620         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3621         add hpux-stdint.h to tm_file.
3622         (hppa[12]*-*-hpux11*): Ditto.
3623         (ia64*-*-hpux*): Ditto.
3624         * config/hpux-stdint.h: New.
3625         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3626         __STDC_EXT__ for all compiles.
3627         * config/pa/pa-hpux.h: Ditto.
3628         * config/pa/pa-hpux10.h: Ditto.
3629         * config/pa/pa-hpux11.h: Ditto.
3630
3631 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3632
3633         * debug.h (set_name): Add comment.
3634
3635 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3636
3637         PR target/39929
3638         * config/darwin.c (machopic_gen_offset): Check
3639         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3640         * config/arm/arm.c (require_pic_register): Likewise.
3641
3642 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3643
3644         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3645         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3646         m32c_promote_prototypes): Delete.
3647
3648 2009-04-28  Michael Matz  <matz@suse.de>
3649
3650         PR middle-end/39922
3651         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3652         constants.
3653
3654 2009-04-28  Richard Guenther  <rguenther@suse.de>
3655
3656         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3657
3658 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3659
3660         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3661         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3662         * config/arm/arm-tune.md: Regenerate.
3663
3664 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3665
3666         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3667         block if there are complex incoming edges.
3668         (sel_merge_blocks): Remove useless assert.
3669         (sel_redirect_edge_and_branch): Check that edge was redirected.
3670         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3671         (sel_find_rgns): Delete declaration.
3672         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3673         the region when it is not a preheader.
3674
3675 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3676
3677         PR c/39323
3678         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3679
3680 2009-04-28  Richard Guenther  <rguenther@suse.de>
3681
3682         * tree.h (SSA_NAME_VALUE): Remove.
3683         (struct tree_ssa_name): Remove value_handle member.
3684         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3685         array for jump threading.
3686         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3687         SSA_NAME_VALUEs.
3688         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3689         * tree-flow.h (threadedge_initialize_values): Declare.
3690         (threadedge_finalize_values): Likewise.
3691         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3692         (SSA_NAME_VALUE): Define.
3693         (threadedge_initialize_values): New function.
3694         (threadedge_finalize_values): Likewise.
3695         * tree-ssa-dom.c (ssa_name_values): New global variable.
3696         (SSA_NAME_VALUE): Define.
3697         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3698
3699 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3700
3701         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3702         Use REPORT_VECTORIZED_LOCATIONS instead 
3703         REPORT_VECTORIZED_LOOPS.
3704         * tree-vectorizer.c (vect_verbosity_level): Make static.
3705         (vect_loop_location): Rename to vect_location.
3706         (vect_set_verbosity_level): Update comment.
3707         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3708         and vect_location.
3709         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3710         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3711         instead REPORT_UNVECTORIZED_LOOPS.
3712         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3713         and vect_loop_def to vect_external_def and vect_internal_def.
3714         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3715         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3716         REPORT_UNVECTORIZED_LOCATIONS.
3717         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3718         and vect_used_in_loop and to vect_unused_in_scope and 
3719         vect_used_in_scope.
3720         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3721         (vect_verbosity_level): Remove declaration.
3722         (vect_analyze_operations): Likewise.
3723         (vect_analyze_stmt): Declare.
3724         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3725         REPORT_UNVECTORIZED_LOCATIONS.
3726         (vect_get_loop_niters): Fix indentation.
3727         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3728         (vect_analyze_loop_operations): New function.
3729         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3730         vect_analyze_operations.
3731         (vect_is_simple_reduction): Use new names.
3732         (vectorizable_live_operation, vect_transform_loop): Likewise.
3733         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3734         to specify whether the data references can be a part of interleaving
3735         chain.
3736         (vect_analyze_data_ref_dependence): Use new names.
3737         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3738         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3739         * tree-vect-patterns.c (widened_name_p): Use new names.
3740         (vect_recog_dot_prod_pattern): Likewise.
3741         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3742         (process_use, vect_mark_stmts_to_be_vectorized, 
3743         vect_model_simple_cost, vect_model_store_cost,
3744         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3745         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3746         vectorizable_operation, vectorizable_type_demotion,
3747         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3748         vectorizable_condition): Likewise.
3749         (vect_analyze_operations): Split into vect_analyze_loop_operations
3750         and ...
3751         (vect_analyze_stmt): ... new function.
3752         (new_stmt_vec_info): Use new names.
3753         (vect_is_simple_use): Use new names and fix comment.
3754         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
3755         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
3756
3757 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3758
3759         PR target/39911
3760         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
3761         and integer modes for x87 operands.  Do not ICE for unsupported size,
3762         generate error instead.  Generate error for unsupported operand types.
3763         ['z']: Do not handle HImode memory operands specially.  Warning
3764         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3765         types.  Do not ICE for unsupported size, generate error instead.
3766         (output_387_binary_op): Use %Z to output operands.
3767         (output_fp_compare): Ditto.
3768         (output_387_reg_move): Ditto.
3769
3770 2009-04-28  Ben Elliston  <bje@au.ibm.com>
3771
3772         PR c++/35652
3773         Revert:
3774
3775         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3776
3777         * builtins.c (c_strlen): Do not warn here.
3778         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3779         * c-common.c (pointer_int_sum): Take an explicit location.
3780         Warn about offsets out of bounds.
3781         * c-common.h (pointer_int_sum): Adjust declaration.
3782
3783 2009-04-27  Ian Lance Taylor  <iant@google.com>
3784
3785         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3786         names to symkind.
3787         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3788         * df-core.c (df_set_flags): Change return type to int.  Change
3789         type of old_flags to int.
3790         (df_clear_flags): Likewise.
3791         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3792         (df_get_conditional_uses): Likewise.
3793         * df.h (df_set_flags, df_clear_flags): Update declarations.
3794         * dwarf2out.c (struct indirect_string_node): Change type of form
3795         field to enum dwarf_form.
3796         (AT_string_form): Change return type to enum dwarf_form.
3797         * fixed-value.c (fixed_compare): Add cast to enum type.
3798         * fwprop.c (update_df): Change 0 to VOIDmode.
3799         * gensupport.c: Change 0 to UNKNOWN.
3800         * gimple.h (gimple_cond_code): Add cast to enum type.
3801         * haifa-sched.c (reemit_notes): Add cast to enum type.
3802         * hooks.c (hook_int_void_no_regs): Remove function.
3803         * hooks.h (hook_int_void_no_regs): Remove declaration.
3804         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3805         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3806         * real.c (real_arithmetic): Add cast to enum type.
3807         (real_compare): Likewise.
3808         * target.h (struct gcc_target): Change return type of
3809         branch_target_register_class to enum reg_class.
3810         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3811         default_branch_target_register_class.
3812         * targhooks.c (default_branch_target_register_class): New function.
3813         * targhooks.h (default_branch_target_register_class): Declare.
3814         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3815         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3816         cast to int.
3817         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3818         ERROR_MARK.
3819         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3820         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3821         * tree-vect-stmts.c (supportable_widening_operation): Don't
3822         initialize icode1 and icode2.
3823         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3824         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3825         and to STD_C89.
3826         (cmn_err_flag_specs): Change 0 to STD_C89.
3827         (cmn_err_char_table): Likewise.
3828         * config/arm/arm.c (get_arm_condition_code): Change type of code
3829         to enum arm_cond_code.
3830         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3831         (IWMMXT_BUILTIN2): Likewise.
3832         (neon_builtin_type_bits): Don't define typedef.
3833         (neon_builtin_datum): Change type of bits field to int.
3834         (arm_expand_neon_args): Add cast to enum type.
3835         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3836         TLS_MODEL_NONE.
3837         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3838         casts to enum type.
3839         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3840         MIPS_FP_COND_f.
3841         * config/mips/mips.md (jal_macro): Return enum constant.
3842         (single_insn): Likewise.
3843         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3844         CODE_FOR_nothing.
3845         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3846         casts to enum type.
3847         * config/s390/s390.c (s390_tune_flags): Change type to int.
3848         (s390_arch_flags): Likewise.
3849         (s390_handle_arch_option): Change flags field of struct pta to int.
3850         * config/s390/s390.h (s390_tune_flags): Update declaration.
3851         (s390_arch_flags): Likewise.
3852         * config/sh/sh.c (prepare_move_operands): Compare
3853         tls_symbolic_operand result with enum constant.
3854         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3855         (sh_expand_prologue): Add cast to enum type.
3856         (sh_expand_epilogue): Likewise.
3857         (tls_symbolic_operand): Change return type to enum tls_model.
3858         (fpscr_set_from_mem): Add cast to enum type.
3859         (legitimize_pic_address): Compare tls_symbolic_operand result with
3860         enum constant.
3861         (sh_target_reg_class): Change return type to enum reg_class.
3862         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3863         PROCESSOR_xxx.
3864         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3865         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3866         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3867         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3868         (delayed_branch, tls_call_delay): Likewise.
3869         (eligible_for_sibcall_delay): Likewise.
3870         (eligible_for_return_delay): Likewise. 
3871         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3872         (spu_expand_builtin_1): Likewise.
3873
3874         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3875         for all types of conversions.
3876         (output_init_element): Issue -Wc++-compat warning if needed when
3877         initializing a bitfield with enum type.
3878         * c-parser.c (c_parser_expression): Set original_type to
3879         original_type of right hand operand of comman operator.
3880
3881 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3882
3883         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3884         grammar nits.
3885         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3886         * doc/cpp.texi (Standard Predefined Macros)
3887         (Implementation-defined behavior): Likewise.
3888         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3889         * doc/gimple.texi (GIMPLE Exception Handling)
3890         (@code{GIMPLE_ASSIGN}): Likewise.
3891         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3892         * doc/invoke.texi (Warning Options, Optimize Options)
3893         (AVR Options, Darwin Options): Likewise.
3894         (Optimize Options): Reformulate -fwhole-program description.
3895         * doc/loop.texi (Lambda): Likewise.
3896         * doc/md.texi (Output Template, Define Constraints)
3897         (Standard Names, Insn Splitting): Likewise.
3898         * doc/options.texi (Option properties): Likewise.
3899         * doc/passes.texi (Tree-SSA passes): Likewise.
3900         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3901         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3902         (File Names and DBX): Likewise.
3903         * doc/trouble.texi (Incompatibilities): Likewise.
3904
3905 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3906
3907         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3908         instruction is correct.
3909
3910 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3911
3912         Allow non-constant arguments to conversion intrinsics.
3913         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3914         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3915         * spu.c (print_operand): Handle 'v' and 'w'.
3916         (exp2_immediate_p, spu_gen_exp2): Define.
3917         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3918         spu_convtf_1): Update parameter descriptions.
3919         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3920         * constraints.md ('v', 'w'): New.
3921         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3922         Remove.
3923         (i2f, I2F): New define_mode_attr.
3924         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3925         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3926         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3927         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3928         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3929         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3930         patterns for combine.
3931
3932 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3933
3934         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3935         (cprop, hoist, pre, store_motion): New debug counters.
3936         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3937         is not an RTL pass anymore.
3938         (pass_profiling): Remove extern decl for pass removed in 2005.
3939         (pass_gcse, pass_jump_bypass): Remove.
3940         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3941         to 0 for clean state.
3942         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3943         * cse.c (gate_handle_cse_after_global_opts,
3944         rest_of_handle_cse_after_global_opts): New functions.
3945         (pass_cse_after_global_opts): New pass, does local CSE.
3946         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3947         (TV_CPROP): New timevar.
3948         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3949         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3950         (gcse_main, recompute_all_luids): Remove.
3951         (compute_hash_table_work): Call max_reg_num instead of reading
3952         max_gcse_regno.
3953         (cprop_jump): Don't set run_jump_opt_after_gcse.
3954         (constprop_register): Always allow to alter jumps.
3955         (cprop_insn): Likewise.
3956         (do_local_cprop): Likewise.
3957         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3958         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3959         (find_implicit_sets): Add note about missed optimization opportunity.
3960         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3961         pass_rtl_cprop execute function.
3962         Don't bother tracking the pass number, each pass gets its own dumpfile
3963         now anyway.
3964         Always allow to alter jumpsand bypass jumps.
3965         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3966         will just find no suitable set.
3967         (pre_edge_insert): Fix dumping, this function is for PRE only.
3968         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3969         pass_rtl_pre execute function.
3970         (hoist_code): Return non-zero if something changed.  Keep track of
3971         substitutions and insertions for statistics gathering similar to PRE.
3972         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3973         called from the pass_rtl_hoist execute function.  Show pass statistics.
3974         (compute_store_table): Use max_reg_num directly instead of using the
3975         formerly global max_gcse_regno.
3976         (build_store_vectors): Likewise.
3977         (replace_store_insn): Fix dumping.
3978         (store_motion): Rename to ...
3979         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3980         pass, called from the pass_rtl_store_motion execute function.  Keep
3981         track of substitutions and insertions for statistics gathering similar
3982         to PRE.
3983         (bypass_jumps): Remove, fold interesting bits into ...
3984         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3985         from the pass_rtl_cprop execute function.
3986         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3987         pass_jump_bypass): Remove.
3988         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3989         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3990         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3991         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3992         (gate_rtl_store_motion, execute_rtl_store_motion,
3993         pass_rtl_store_motion): New.
3994         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3995         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3996         * passes.c (init_optimization_passes): Remove pass_gcse and
3997         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3998         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3999         instead of pass_jump_bypass.
4000
4001 2009-04-27  Richard Guenther  <rguenther@suse.de>
4002
4003         PR middle-end/39928
4004         * gimplify.c (gimplify_expr): If we are required to create
4005         a temporary make sure it ends up as register.
4006
4007 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4008
4009         PR target/39903
4010         * config/i386/i386.c (construct_container): Don't call
4011         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
4012         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
4013
4014 2009-04-27  Michael Matz  <matz@suse.de>
4015
4016         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
4017         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
4018         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
4019         (dump_replaceable_exprs): Take a bitmap.
4020         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
4021         array.
4022         (expand_gimple_basic_block): Likewise.
4023         * tree-ssa-ter.c (struct temp_expr_table_d): Make
4024         replaceable_expressions member a bitmap.
4025         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
4026         (mark_replaceable): Likewise.
4027         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
4028         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
4029
4030 2009-04-27  Richard Guenther  <rguenther@suse.de>
4031
4032         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
4033         (verify_stmts): Dispatch to gimple/type verification code.
4034         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
4035         issue with call argument types.
4036
4037 2009-04-27  Michael Matz  <matz@suse.de>
4038
4039         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
4040         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
4041         to above.
4042
4043 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
4044             Eric Botcazou  <ebotcazou@adacore.com>
4045
4046         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
4047         a label's basic block.
4048         (mark_target_live_regs): Tidy and rework obsolete comments.
4049         Change back DF problem to LIVE.  If a label starts a basic block,
4050         assume that all registers that used to be live then still are.
4051         (init_resource_info): If a label starts a basic block, set its
4052         BLOCK_FOR_INSN accordingly.
4053         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
4054
4055 2009-04-27  Richard Guenther  <rguenther@suse.de>
4056
4057         * tree-flow-inline.h (function_ann): Remove.
4058         (get_function_ann): Likewise.
4059         * tree-dfa.c (create_function_ann): Remove.
4060         * tree-flow.h (struct static_var_ann_d): Remove.
4061         (struct function_ann_d): Likewise.
4062         (union tree_ann_d): Remove fdecl member.
4063         (function_ann_t): Remove.
4064         (function_ann, get_function_ann, create_function_ann): Remove
4065         declarations.
4066
4067 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
4068
4069         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
4070
4071 2009-04-27  Jan Hubicka  <jh@suse.cz>
4072
4073         * ipa-pure-const.c (struct funct_state_d): New fields
4074         state_previously_known, looping_previously_known; remove
4075         state_set_in_source.
4076         (analyze_function): Use new fields.
4077         (propagate): Avoid assumption that state_set_in_source imply
4078         nonlooping.
4079
4080         * tree-ssa-loop-niter.c (finite_loop_p): New function.
4081         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
4082         * cfgloop.h (finite_loop_p): Declare.
4083
4084 2009-04-26  Michael Matz  <matz@suse.de>
4085
4086         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
4087
4088 2009-04-26  Michael Matz  <matz@suse.de>
4089
4090         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
4091         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
4092         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
4093         pass_mark_used_blocks): Remove.
4094         * tree-optimize.c (pass_free_datastructures,
4095         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
4096         * passes.c (init_optimization_passes): Don't call
4097         pass_mark_used_blocks, remove dead code.
4098
4099 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
4100
4101         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
4102         * tree-ssa-live.h (register_ssa_partition): Likewise.
4103
4104 2009-04-26  Michael Matz  <matz@suse.de>
4105
4106         Expand from SSA.
4107         * builtins.c (fold_builtin_next_arg): Handle SSA names.
4108         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
4109         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
4110         SSA names. 
4111         (compare_pairs): Swap cost comparison.
4112         (coalesce_ssa_name): Don't use change_partition_var.
4113         * tree-nrv.c (struct nrv_data): Add modified member.
4114         (finalize_nrv_r): Set it.
4115         (tree_nrv): Use it to update statements.
4116         (pass_nrv): Require PROP_ssa.
4117         * tree-mudflap.c (mf_decl_cache_locals,
4118         mf_build_check_statement_for): Use make_rename_temp.
4119         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
4120         * alias.c (find_base_decl): Handle SSA names.
4121         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
4122         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
4123         * rtl.h (set_reg_attrs_for_parm): Declare.
4124         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
4125         to "optimized", remove unused locals at finish.
4126         (execute_free_datastructures): Make global, call
4127         delete_tree_cfg_annotations.
4128         (execute_free_cfg_annotations): Don't call
4129         delete_tree_cfg_annotations.
4130
4131         * ssaexpand.h: New file.
4132         * expr.c (toplevel): Include ssaexpand.h.
4133         (expand_assignment): Handle SSA names the same as register variables.
4134         (expand_expr_real_1): Expand SSA names.
4135         * cfgexpand.c (toplevel): Include ssaexpand.h.
4136         (SA): New global variable.
4137         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
4138         (SSAVAR): New macro.
4139         (set_rtl): New helper function.
4140         (add_stack_var): Deal with SSA names, use set_rtl.
4141         (expand_one_stack_var_at): Likewise.
4142         (expand_one_stack_var): Deal with SSA names.
4143         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
4144         before unique numbers.
4145         (expand_stack_vars): Use set_rtl.
4146         (expand_one_var): Accept SSA names, add asserts for them, feed them
4147         to above subroutines.
4148         (expand_used_vars): Expand all partitions (without default defs),
4149         then only the local decls (ignoring those expanded already).
4150         (expand_gimple_cond): Remove edges when jumpif() expands an
4151         unconditional jump.
4152         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
4153         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
4154         SSA name.
4155         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
4156         members of SA; deal with PARM_DECL partitions here; expand
4157         all PHI nodes, free tree datastructures and SA.  Commit instructions
4158         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
4159         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
4160         info and statements at start, collect garbage at finish.
4161         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
4162         (VAR_ANN_PARTITION) Remove.
4163         (change_partition_var): Don't declare.
4164         (partition_to_var): Always return SSA names.
4165         (var_to_partition): Only accept SSA names.
4166         (register_ssa_partition): Only check argument.
4167         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
4168         member.
4169         (delete_var_map): Don't free it.
4170         (var_union): Only accept SSA names, simplify.
4171         (partition_view_init): Mark only useful SSA names as used.
4172         (partition_view_fini): Only deal with SSA names.
4173         (change_partition_var): Remove.
4174         (dump_var_map): Use ssa_name instead of partition_to_var member.
4175         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
4176         basic blocks.
4177         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
4178         (struct _elim_graph): New member const_dests; nodes member vector of
4179         ints.
4180         (set_location_for_edge): New static helper.
4181         (create_temp): Remove.
4182         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
4183         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
4184         (new_elim_graph): Allocate const_dests member.
4185         (clean_elim_graph): Truncate const_dests member.
4186         (delete_elim_graph): Free const_dests member.
4187         (elim_graph_size): Adapt to new type of nodes member.
4188         (elim_graph_add_node): Likewise.
4189         (eliminate_name): Likewise.
4190         (eliminate_build): Don't take basic block argument, deal only with
4191         partition numbers, not variables.
4192         (get_temp_reg): New static helper.
4193         (elim_create): Use it, deal with RTL temporaries instead of trees.
4194         (eliminate_phi): Adjust all calls to new signature.
4195         (assign_vars, replace_use_variable, replace_def_variable): Remove.
4196         (rewrite_trees): Only do checking.
4197         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
4198         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
4199         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
4200         contains_tree_r, MAX_STMTS_IN_LATCH,
4201         process_single_block_loop_latch, analyze_edges_for_bb,
4202         perform_edge_inserts): Remove.
4203         (expand_phi_nodes): New global function.
4204         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
4205         functions, initialize new parameter, remember partitions having a
4206         default def.
4207         (finish_out_of_ssa): New global function.
4208         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
4209         don't reset in_ssa_p here, don't disable TER when mudflap.
4210         (pass_del_ssa): Remove.
4211         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
4212         partition members.
4213         (execute_free_datastructures): Declare.
4214         * Makefile.in (SSAEXPAND_H): New variable.
4215         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
4216         * basic-block.h (commit_one_edge_insertion): Declare.
4217         * passes.c (init_optimization_passes): Move pass_nrv and
4218         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
4219         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
4220         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
4221         (redirect_branch_edge): Deal with super block when expanding, split
4222         out jump patching itself into ...
4223         (patch_jump_insn): ... here, new static helper.
4224
4225 2009-04-26  Michael Matz  <matz@suse.de>
4226
4227         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
4228         beyond num_ssa_names.
4229         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
4230         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4231
4232 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4233
4234         PR inline-asm/39543
4235         * fwprop.c (forward_propagate_asm): New function.
4236         (forward_propagate_and_simplify): Propagate also into __asm, if it
4237         doesn't increase the number of referenced registers.
4238
4239         PR c/39889
4240         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
4241
4242 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4243
4244         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
4245         note_nonlocal_vla_type for nonlocal VLAs.
4246         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
4247         contains_remapped_vars, remap_vla_decls): New functions.
4248         (convert_nonlocal_reference_stmt): If not optimizing, call
4249         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
4250         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
4251         if it wasn't found in var_map.
4252         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
4253         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
4254         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
4255         declare_vars.
4256         * gimplify.c (nonlocal_vlas): New variable.
4257         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
4258         referenced VLAs.
4259         (gimplify_body): Create and destroy nonlocal_vlas.
4260
4261         * dwarf2out.c (loc_descr_plus_const): New function.
4262         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
4263         mem_loc_descriptor, loc_descriptor_from_tree_1,
4264         descr_info_loc, gen_variable_die): Use it.
4265
4266         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
4267         !TREE_STATIC VAR_DECLs.
4268         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
4269         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
4270         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
4271         DECL_BY_REFERENCE is valid.
4272         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
4273         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
4274         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
4275         Copy DECL_BY_REFERENCE.
4276         (struct nesting_copy_body_data): New type.
4277         (nesting_copy_decl): New function.
4278         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
4279         if they have variable length.
4280
4281 2009-04-26  Michael Matz  <matz@suse.de>
4282
4283         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
4284         mark new temporaries for renaming.
4285
4286 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4287
4288         PR c/39581
4289         * c-decl.c (global_bindings_p): Return negative value.
4290         (c_variable_size): New.  Based on variable_size from
4291         stor-layout.c.
4292         (grokdeclarator): Call c_variable_size not variable_size.
4293
4294 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
4295
4296         * config/i386/i386.c (print_operand) ['z']: Fix typo.
4297
4298 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
4299
4300         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
4301         Redefine it to just use mingw/include.
4302         (ASM_SPEC): Rules for -m32 and -m64.
4303         (LINK_SPEC): Use Likewise.
4304         (SPEC_32): New define.
4305         (SPEC_64): Likewise.
4306         (SUB_LINK_SPEC): Likewise.
4307         (MULTILIB_DEFAULTS): New define.
4308         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
4309         Add multilib options.
4310         (MULTILIB_DIRNAMES): Likewise.
4311         (MULTILIB_OSDIRNAMES): Likewise.
4312         (LIBGCC): Likewise.
4313         (INSTALL_LIBGCC): Likewise.
4314
4315 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4316
4317         PR c/39556
4318         * c-tree.h (enum c_inline_static_type): New.
4319         (record_inline_static): Declare.
4320         * c-decl.c (struct c_inline_static, c_inline_statics,
4321         record_inline_static, check_inline_statics): New.
4322         (pop_file_scope): Call check_inline_statics.
4323         (start_decl): Call record_inline_static instead of pedwarning
4324         directly for static in inline function.
4325         * c-typeck.c (build_external_ref): Call record_inline_static
4326         instead of pedwarning directly for static referenced in inline
4327         function.
4328
4329 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
4330
4331         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
4332         not new but only being rescanned.
4333         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
4334         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
4335         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
4336         record_set_info, compute_set, grealloc): Remove.
4337         (recompute_all_luids): New function.
4338         (gcse_main): Don't compute sets, and don't do related memory
4339         allocations/free-ing.  If something changed before the end of the
4340         pass, update LUIDs using recompute_all_luids.
4341         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
4342         (free_gcse_mem): Don't free it either.
4343         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
4344         Use the df insn LUIDs.
4345         (load_killed_in_block): Likewise.
4346         (compute_hash_table_work): Don't compute reg_set_in_block.
4347         (compute_transp): Use DF_REG_DEF_CHAINs.
4348         (local_cprop_pass): Don't use compute_sets and related functions.
4349         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
4350         Use get_max_uid() instead of max_cuid.
4351         (insert_insn_end_basic_block, pre_insert_copy_insn,
4352         update_ld_motion_stores): Don't try to
4353         keep reg_set tables up to date.
4354         (pre_insert_copies): Use df insn LUIDs.
4355         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
4356         (reg_set_info): Don't use extra bitmap argument.
4357         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
4358         information to compute regs_set_in_block.
4359         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
4360         (bypass_jumps): Don't use compute_sets and friends.
4361
4362 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4363
4364         PR testsuite/39710
4365         * opts.c (undocumented_msg): Do not leave blank even with
4366         ENABLE_CHECKING.
4367
4368 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4369
4370         * c-decl.c (build_enumerator): Allow values folding to integer
4371         constants but not integer constant expressions with a pedwarn if
4372         pedantic.
4373
4374 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4375
4376         PR c/39582
4377         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
4378         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
4379         type is an integer constant.
4380
4381 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4382
4383         PR target/39897
4384         * config/i386/i386.c (print_operand) ['z']: Revert handling of
4385         HImode operands.
4386
4387 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4388
4389         PR c/39564
4390         * c-decl.c (grokdeclarator): Diagnose declarations of functions
4391         with variably modified return type and no storage class
4392         specifiers, except for the case of nested functions.  Distinguish
4393         extern declarations of functions with variably modified return
4394         types from those of objects with variably modified types.
4395
4396 2009-04-25  Jan Hubicka  <jh@suse.cz>
4397
4398         * tree.c (list_equal_p): New function.
4399         * tree.h (list_equal_p): Declare.
4400         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4401         basic_block_def, basic_block, const_basic_block): New.
4402         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
4403         (redirect_eh_edge): New function.
4404         (make_eh_edge_update_phi): EH edges are not abnormal.
4405         * except.c: Include tree-flow.h.
4406         (list_match): New function.
4407         (eh_region_replaceable_by_p): New function.
4408         (replace_region): New function.
4409         (hash_type_list): New function.
4410         (hash_eh_region): New function.
4411         (eh_regions_equal_p): New function.
4412         (merge_peers): New function.
4413         (remove_unreachable_regions): Verify EH tree when checking;
4414         merge peers.
4415         (copy_eh_region_1): New function.
4416         (copy_eh_region): New function.
4417         (push_reachable_handler): New function.
4418         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
4419         regions without label but with live RESX.
4420         * except.h (redirect_eh_edge_to_label): New.
4421         * tree-flow.h (redirect_eh_edge): New.
4422         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4423         basic_block_def, basic_block, const_basic_block): Remove.
4424         * Makefile.in (except.o): Add dependency on tree-flow.h
4425         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
4426         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
4427         Remove.
4428
4429 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
4430
4431         PR bootstrap/39645
4432         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
4433         on the destination of memcpy.
4434
4435 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
4436
4437         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
4438         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
4439         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
4440
4441 2009-04-25  Jan Hubicka  <jh@suse.cz>
4442
4443         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
4444         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
4445         to be reached by different label than left.
4446         (update_eh_edges): Update comment; remove edge_to_remove if possible
4447         and return true if suceeded.
4448         (cleanup_empty_eh): Accept sharing map; handle shared regions.
4449         (cleanup_eh): Compute sharing map.
4450         * except.c (remove_eh_handler_and_replace): Add argument if we should
4451         update regions.
4452         (remove_unreachable_regions): Update for label sharing.
4453         (label_to_region_map): Likewise.
4454         (get_next_region_sharing_label): New function.
4455         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
4456         prev_try pointers.
4457         (remove_eh_handler): Update.
4458         (remove_eh_region_and_replace_by_outer_of): New function.
4459         * except.h (struct eh_region): Add next_region_sharing_label.
4460         (remove_eh_region_and_replace_by_outer_of,
4461         get_next_region_sharing_label): Declare.
4462         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
4463
4464 2009-04-25  Jan Hubicka  <jh@suse.cz>
4465
4466         * tree-cfg.c (split_critical_edges): Split also edges where we can't
4467         insert code even if they are not critical.
4468
4469 2009-04-25  Jan Hubicka  <jh@suse.cz>
4470
4471         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4472         (gimple_can_remove_branch_p): EH edges won't remove branch by
4473         redirection.
4474         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
4475         updating of non-abnormal EH edges.
4476         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4477         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
4478         (split_critical_edges): Split also edges where emitting code on them
4479         will lead to splitting later.
4480
4481 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4482             H.J. Lu  <hongjiu.lu@intel.com>
4483
4484         PR target/39590
4485         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
4486         the configured assembler supports fildq and fistpq mnemonics.
4487         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
4488         * configure: Regenerated.
4489         * config.in: Ditto.
4490
4491         * config/i386/i386.c (print_operand): Handle 'Z'.
4492         ['z']: Remove handling of special fild/fist suffixes.
4493         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
4494         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
4495         suffix of fild insn.
4496         (*floatsi<mode>2_vector_mixed): Ditto.
4497         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
4498         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
4499         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4500         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
4501         * config/i386/gas.h (GAS_MNEMONICS): Remove.
4502
4503 2009-04-25  Ben Elliston  <bje@au.ibm.com>
4504  
4505         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
4506         the source of a set operation.
4507
4508 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
4509
4510         * target.h (struct gcc_target): Add case_values_threshold field.
4511         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
4512         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
4513         * targhooks.c (default_case_values_threshold): New function.
4514         * targhooks.h (default_case_values_threshold): Declare function.
4515         * stmt.c (expand_case): Use case_values_threshold target hook.
4516         * expr.h (case_values_threshold): Remove declartation.
4517         * expr.c (case_values_threshold): Remove function.
4518         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
4519
4520         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
4521         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4522         (avr_case_values_threshold): Declare as static.
4523         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4524
4525         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4526         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4527         (mn10300_case_values_threshold): New function.
4528
4529 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4530
4531         * ira.c (setup_cover_and_important_classes): Add enum cast.
4532
4533 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4534
4535         * genpreds.c (write_enum_constraint_num): Output definition of
4536         CONSTRAINT_NUM_DEFINED_P macro.
4537         * ira.c (setup_cover_and_important_classes): Use
4538         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4539         
4540 2009-04-24  DJ Delorie  <dj@redhat.com>
4541
4542         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4543         __SH2A_SINGLE_ONLY__ also.
4544
4545 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4546
4547         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4548         (movdf_internal): Ditto.
4549         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4550         SFmode and DFmode constants.
4551         (ia64_print_operand): Add 'G' format for printing
4552         floating point constants.
4553
4554 2009-04-24  Richard Guenther  <rguenther@suse.de>
4555
4556         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4557         from unsigned additions.
4558
4559 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4560
4561         * c-typeck.c (set_init_index): Allow array designators that are
4562         not integer constant expressions with a pedwarn if pedantic.
4563
4564 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4565
4566         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4567         zero if no overlap in nonzero bits between the operands.
4568
4569 2009-04-24  Ian Lance Taylor  <iant@google.com>
4570
4571         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4572         (record_dead_and_set_regs): Likewise.
4573         * df.h (struct df_mw_hardreg): Change flags field to int.
4574         (struct df_base_ref): Likewise.
4575         (struct df): Change changeable_flags field to int.
4576         * df-scan.c (df_defs_record): Change clobber_flags to int.
4577         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4578         constants rather than #define macros.
4579         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4580         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4581         (enum dwarf_calling_convention): Likewise.
4582         (enum dwarf_line_number_x_ops): Likewise.
4583         (enum dwarf_call_frame_info): Likewise.
4584         (enum dwarf_source_language): Likewise.
4585         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4586         (add_calling_convention_attribute): Likewise.
4587         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4588         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4589         * genrecog.c (maybe_both_true_2): Change c to int.
4590         (write_switch): Likewise.  Add cast to enum type.
4591         * gimplify.c (gimplify_omp_for): Handle return values from
4592         gimplify_expr using MIN rather than bitwise or.
4593         (gimplify_expr): Add cast to enum type.
4594         * ipa-prop.c (update_jump_functions_after_inlining): Change
4595         IPA_BOTTOM to IPA_JF_UNKNOWN.
4596         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4597         Add casts to enum type.
4598         (setup_cover_and_important_classes): Change cl to int.  Add casts
4599         to enum type.
4600         (setup_class_translate): Change cl and mode to int.
4601         (ira_init_once): Change mode to int.
4602         (free_register_move_costs): Likewise.
4603         (setup_prohibited_mode_move_regs): Add casts to enum type.
4604         * langhooks.c (add_builtin_function_common): Rework assertion that
4605         value fits bitfield.
4606         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4607         * omega.c (omega_do_elimination): Avoid math on enum types.
4608         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4609         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4610         int local to handle integral_argment value.
4611         * regmove.c (try_auto_increment): Change PUT_MODE to
4612         PUT_REG_NOTE_KIND.
4613         * reload.c (push_secondary_reload): Add casts to enum type.
4614         (secondary_reload_class, find_valid_class): Likewise.
4615         * reload1.c (emit_input_reload_insns): Likewise.
4616         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4617         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4618         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4619         constant.
4620         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4621         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4622         enum type.
4623         (expand_complex_libcall): Add casts to enum type.
4624         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4625         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4626         with ERROR_MARK, not NUM_TREE_CODES.
4627         (vect_create_epilog_for_reduction): Likewise.
4628         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4629         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4630         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4631         enum machine_mode.
4632         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4633         vect_unused_in_loop.  Change 0 to loop_vect.
4634         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4635         * var-tracking.c (get_init_value): Change return type to enum
4636         var_init_status.
4637         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4638         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4639         arm_fp_model.
4640         (arm_override_options): Add casts to enum type.
4641         (arm_emit_tls_decoration): Likewise.
4642         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4643         to enum type.
4644         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4645         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4646         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4647         enum type.
4648         * config/s390/s390.c (code_for_builtin_64): Change to array of
4649         enum insn_code.
4650         (code_for_builtin_31): Likewise.
4651         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4652         const *.
4653         * config/sparc/sparc.c (sparc_override_options): Change value
4654         field in struct code_model to enum cmodel.  In initializer change
4655         0 to NULL and add cast to enum type.
4656
4657         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4658         Change all callers.  Issue a -Wc++-compat warning using
4659         lhs_origtype if necessary.
4660         (convert_for_assignment): Issue -Wc++-compat warnings about
4661         invalid conversions to enum type on assignment.
4662         * c-common.h (build_modify_expr): Update declaration.
4663
4664 2009-04-24  Nick Clifton  <nickc@redhat.com>
4665
4666         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4667         (function_arg_advance): Likewise.
4668         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4669         5th alternative.
4670
4671 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4672
4673         * config/s390/constraints.md ('I', 'J'): Fix condition.
4674
4675 2009-04-24  Diego Novillo  <dnovillo@google.com>
4676
4677         * gengtype-parse.c (parse_error): Add newline after message.
4678
4679 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4680
4681         * config/i386/sse.md (avxmodesuffixs): Removed.
4682         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4683         (*avx_pinsr<ssevecsize>): This.
4684
4685 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4686
4687         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4688         follow chains of regs with a single definition, and allow expressions
4689         that are function_invariant_p.
4690         (simple_rhs_p): Allow expressions that are function_invariant_p.
4691
4692 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4693
4694         PR middle-end/39867
4695         * fold-const.c (fold_cond_expr_with_comparison): When folding
4696         > and >= to MAX, make sure the MAX uses the same type as the
4697         comparison's operands.
4698
4699 2009-04-24  Nick Clifton  <nickc@redhat.com>
4700
4701         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4702         addressing for DImode accesses.
4703         (frv_print_operand_address): Handle PLUS case.
4704         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4705
4706 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4707
4708         PR rtl-optimization/39794
4709         * alias.c (canon_true_dependence): Add x_addr argument.
4710         * rtl.h (canon_true_dependence): Adjust prototype.
4711         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4712         * cselib.c (cselib_invalidate_mem): Likewise.
4713         * gcse.c (compute_transp): Likewise.
4714         * dse.c (scan_reads_nospill): Likewise.
4715         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4716         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4717         canon_base_addr of the group, plus optional offset.
4718         (struct group_info): Rename canon_base_mem to
4719         canon_base_addr.
4720         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4721         canon_rtx of base_mem.
4722
4723 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4724
4725         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4726         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4727
4728 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4729
4730         * config/spu/spu-builtins.h: Delete file.
4731
4732         * config/spu/spu.h (enum spu_builtin_type): Move here from
4733         spu-builtins.h.
4734         (struct spu_builtin_description): Likewise.  Add GTY marker.
4735         Do not use enum spu_function_code or enum insn_code.
4736         (spu_builtins): Add extern declaration.
4737
4738         * config/spu/spu.c: Do not include "spu-builtins.h".
4739         (enum spu_function_code, enum spu_builtin_type_index,
4740         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4741         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4742         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4743         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4744         (spu_builtin_types): Make static.  Add GTY marker.
4745         (spu_builtins): Add extern declaration with GTY marker.
4746         Include "gt-spu.h".
4747
4748         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4749         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4750         Check programmatically whether all parameters are scalar.
4751
4752         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
4753
4754 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4755
4756         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
4757         assignment from the constructor either if the target is volatile.
4758
4759 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
4760
4761         * config/arm/arm.md (insv): Do not share operands[0].
4762
4763 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4764
4765         * config/vxlib-tls.c (active_tls_threads): Delete.
4766         (delete_hook_installed): New.
4767         (tls_delete_hook): Don't delete the delete hook.
4768         (tls_destructor): Delete it here.
4769         (__gthread_set_specific): Adjust installing the delete hook.
4770         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
4771         __gthread_leave_tsd_dtor_context.
4772
4773 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
4774
4775         * c-format.c (gcc_tdiag_char_table): Add support for %E.
4776
4777 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4778
4779         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4780         enum type.
4781         (alpha_rtx_costs): Ditto.
4782         (emit_unlikely_jump): Use add_reg_note.
4783         (emit_frame_store_1): Ditto.
4784         (alpha_expand_prologue): Ditto.
4785         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4786         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4787
4788 2009-04-23  Nick Clifton  <nickc@redhat.com>
4789
4790         * config/v850/v850.md (epilogue): Remove suppressed code.
4791         (return): Rename to return_simple and remove test of frame size.
4792         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4793         to gen_return_simple.
4794
4795 2009-04-22  Jing Yu  <jingyu@google.com>
4796
4797         PR testsuite/39781
4798         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4799
4800 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4801
4802         PR C/31499
4803         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4804         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4805         value is a VECTOR_CST, the element type is the element type of the
4806         vector.
4807
4808 2009-04-22  DJ Delorie  <dj@redhat.com>
4809
4810         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4811
4812 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4813
4814         * alias.c (find_base_term): Move around LO_SUM case, so that
4815         CONST falls through into PLUS/MINUS handling.
4816
4817         PR c/39855
4818         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4819         into 0, use omit_one_operand.
4820
4821 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4822
4823         * config/rs6000/linux-unwind.h (get_regs): Remove type
4824         puns. Change the type of `pc' to an array of unsigned ints and
4825         update all users.  Constify frame24.
4826
4827 2009-04-22  DJ Delorie  <dj@redhat.com>
4828
4829         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4830         declarations before code.
4831         (current_function_special_page_vector): Likewise.
4832         (m32c_expand_insv): Silence a warning.
4833
4834 2009-04-21  Taras Glek  <tglek@mozilla.com>
4835
4836         * alias.c: Update GTY annotations to new syntax.
4837         * basic-block.h: Likewise.
4838         * bitmap.h: Likewise.
4839         * c-common.h: Likewise.
4840         * c-decl.c: Likewise.
4841         * c-parser.c: Likewise.
4842         * c-pragma.c: Likewise.
4843         * c-tree.h: Likewise.
4844         * cfgloop.h: Likewise.
4845         * cgraph.h: Likewise.
4846         * config/alpha/alpha.c: Likewise.
4847         * config/arm/arm.h: Likewise.
4848         * config/avr/avr.h: Likewise.
4849         * config/bfin/bfin.c: Likewise.
4850         * config/cris/cris.c: Likewise.
4851         * config/darwin.c: Likewise.
4852         * config/frv/frv.c: Likewise.
4853         * config/i386/i386.c: Likewise.
4854         * config/i386/i386.h: Likewise.
4855         * config/i386/winnt.c: Likewise.
4856         * config/ia64/ia64.h: Likewise.
4857         * config/iq2000/iq2000.c: Likewise.
4858         * config/mips/mips.c: Likewise.
4859         * config/mmix/mmix.h: Likewise.
4860         * config/pa/pa.c: Likewise.
4861         * config/pa/pa.h: Likewise.
4862         * config/rs6000/rs6000.c: Likewise.
4863         * config/s390/s390.c: Likewise.
4864         * config/sparc/sparc.c: Likewise.
4865         * config/xtensa/xtensa.c: Likewise.
4866         * cselib.h: Likewise.
4867         * dbxout.c: Likewise.
4868         * dwarf2out.c: Likewise.
4869         * except.c: Likewise.
4870         * except.h: Likewise.
4871         * fixed-value.h: Likewise.
4872         * function.c: Likewise.
4873         * function.h: Likewise.
4874         * gimple.h: Likewise.
4875         * integrate.c: Likewise.
4876         * optabs.c: Likewise.
4877         * output.h: Likewise.
4878         * real.h: Likewise.
4879         * rtl.h: Likewise.
4880         * stringpool.c: Likewise.
4881         * tree-data-ref.c: Likewise.
4882         * tree-flow.h: Likewise.
4883         * tree-scalar-evolution.c: Likewise.
4884         * tree-ssa-address.c: Likewise.
4885         * tree-ssa-alias.h: Likewise.
4886         * tree-ssa-operands.h: Likewise.
4887         * tree.c: Likewise.
4888         * tree.h: Likewise.
4889         * varasm.c: Likewise.
4890         * varray.h: Likewise.
4891         * vec.h: Likewise.
4892         * coretypes.h: Do not define GTY macro if it is already defined.
4893         * doc/gty.texi: Update GTY documentation to new syntax.
4894         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4895         annotations on structs.
4896         * gengtype-parse.c: Likewise.
4897
4898 2009-04-22  Mark Heffernan  <meheff@google.com>
4899
4900         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4901
4902 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4903
4904         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4905         where appropriate.
4906
4907 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4908
4909         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4910         the same as a PLUS without a shift.  Increase the cost of a
4911         CONST_INT in MULT.
4912
4913 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4914
4915         * Makefile.in: Update dependencies.
4916         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4917         * errors.h: Remove bogus comment about compatibility.
4918         (warning): Update declaration.
4919         * genautomata.c: Update all calls to warning.
4920         * gimple.c: Do not include errors.h. Include toplev.h.
4921         * tree-ssa-structalias.c: Do not include errors.h.
4922         * omega.c: Likewise.
4923         * tree-ssa-reassoc.c: Likewise.
4924         * config/spu/spu-c.c: Likewise.
4925         * config/spu/t-spu-elf: Update dependencies.
4926
4927 2009-04-22  Richard Guenther  <rguenther@suse.de>
4928
4929         PR tree-optimization/39824
4930         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4931         make sure the types are compatible.
4932
4933 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4934
4935         PR c++/14875
4936         * c-common.c (c_parse_error): Take a token_flags parameter.
4937         Use token_type for the token type instead.
4938         Pass token_flags to cpp_type2name.
4939         * c-common.h (c_parse_error): Update declaration.
4940         * c-parser.c (c_parser_error): Pass 0 as token flags.
4941
4942 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4943
4944         PR rtl-optimization/39580
4945         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4946         
4947 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4948
4949         * function.c (expand_function_end): Do not emit a jump to the "naked"
4950         return label for fall-through returns.
4951         * except.c (sjlj_emit_function_exit): Always place the call to the
4952         unregister function at the location installed by expand_function_end.
4953
4954 2009-04-22  Richard Guenther  <rguenther@suse.de>
4955
4956         PR tree-optimization/39845
4957         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4958         (gen_inbound_check): Likewise.
4959
4960 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4961
4962         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4963         padding for PPC.
4964         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4965         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4966
4967 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4968
4969         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4970         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4971         shift counts to avoid out-of-bounds array accesses.
4972
4973 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4974
4975         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4976         (Pmode): Move above.
4977
4978 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4979
4980         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4981         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4982         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4983         * config/alpha/alpha.h: Ditto.
4984         * config/alpha/alpha.md: Ditto.
4985         * config/alpha/constraints.md: Ditto.
4986         * config/alpha/predicates.md: Ditto.
4987         
4988 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4989
4990         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4991         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4992         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4993         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4994         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4995         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4996         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4997         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4998         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4999         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5000         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5001         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5002         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5003         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5004         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5005         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5006         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5007         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5008         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5009         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5010         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5011         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5012         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5013         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5014         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5015         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5016         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
5017
5018 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5019
5020         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
5021         references from comments.
5022         * cfgbuild.c: (count_basic_blocks): Delete.
5023         (find_basic_blocks_1): Delete.
5024         (find_basic_blocks): Delete.
5025         * except.c (finish_eh_generation): Make static.  Move comment from
5026         except.h here.  Remove find_basic_blocks references from comments.
5027         * except.h (finish_eh_generation): Delete.
5028         * basic-block.h (find_basic_blocks): Delete.
5029         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
5030
5031 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5032
5033         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
5034         (sdbout_parms):  Likewise.
5035
5036 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5037
5038         * config/sh/sh.c (prepare_cbranch_operands): Use
5039         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
5040         (expand_cbranchdi4): Likewise.
5041         (from_compare): Add cast to enum type.
5042         (expand_cbranchsi4): Use add_reg_note.
5043         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
5044         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
5045         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
5046         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5047         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
5048         instead of CODE_FOR_nothing.
5049         (cbranchdi4): Likewise.  Fix the order of arguments for
5050         gen_rtx_fmt_ee.
5051         (push_fpscr): Use add_reg_note.
5052         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
5053         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
5054         
5055 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
5056
5057         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
5058         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5059         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5060         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
5061         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
5062         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
5063         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
5064         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
5065         config/alpha/x-vms, config/arc/t-arc,
5066         config/arm/README-interworking, config/arm/arm-c.c,
5067         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
5068         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
5069         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
5070         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
5071         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
5072         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
5073         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
5074         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
5075         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
5076         config/cris/t-elfmulti, config/crx/t-crx,
5077         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
5078         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
5079         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
5080         config/h8300/t-h8300, config/i386/athlon.md,
5081         config/i386/darwin-libgcc.10.4.ver,
5082         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
5083         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
5084         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
5085         config/i386/t-linux64, config/i386/t-nwld,
5086         config/i386/t-rtems-i386, config/i386/t-sol2-10,
5087         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
5088         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
5089         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
5090         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
5091         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
5092         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
5093         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
5094         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
5095         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
5096         config/m68k/t-uclinux, config/mcore/t-mcore,
5097         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
5098         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
5099         config/mips/crtn.asm, config/mips/irix-crti.asm,
5100         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
5101         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
5102         config/mips/mips-fixed.md, config/mips/sb1.md,
5103         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
5104         config/mips/t-iris6, config/mips/t-isa3264,
5105         config/mips/t-libgcc-mips16, config/mips/t-linux64,
5106         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
5107         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
5108         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
5109         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
5110         config/mn10300/t-linux, config/mn10300/t-mn10300,
5111         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
5112         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
5113         config/picochip/libgccExtras/clzsi2.asm,
5114         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
5115         config/rs6000/darwin-libgcc.10.4.ver,
5116         config/rs6000/darwin-libgcc.10.5.ver,
5117         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
5118         config/rs6000/t-aix43, config/rs6000/t-aix52,
5119         config/rs6000/t-darwin, config/rs6000/t-fprules,
5120         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
5121         config/rs6000/t-lynx, config/rs6000/t-netbsd,
5122         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
5123         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
5124         config/rs6000/t-rtems, config/rs6000/t-spe,
5125         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
5126         config/score/t-score-elf, config/sh/divcost-analysis,
5127         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
5128         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
5129         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
5130         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
5131         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
5132         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
5133         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
5134         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
5135         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
5136         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
5137         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
5138         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
5139         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
5140         limitx.h, version.c, xcoff.h: Add copyright and license notices.
5141         * config/h8300/genmova.sh: Include copyright and license notices
5142         in generated output.
5143         * config/h8300/mova.md: Regenerate.
5144         * doc/install.texi2html: Include word "Copyright" in copyright
5145         notice and use name "Free Software Foundation, Inc.".
5146         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
5147         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
5148         ChangeLog-2007, ChangeLog-2008: Correct dates.
5149
5150 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
5151
5152         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
5153         NE_EXPR operations as well.
5154         * c-parser.c (c_parser_condition): Do not set location information on
5155         the condition.
5156         (c_parser_conditional_expression): Likewise.
5157         (c_parser_binary_expression): Set location information on operators.
5158         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
5159         TRUTH_NOT_EXPR has been folded.
5160         * fold-const.c (fold_truth_not_expr): Copy location information from
5161         the incoming expression to the outgoing one.
5162         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
5163         recursive calls on the LHS of the operator but pass that of the
5164         operator to recursive calls on the RHS of the operator.  Set it
5165         on the COND_EXPR.
5166         (shortcut_cond_expr): Set the locus of the operator on the second
5167         COND_EXPR and that of the expression on the first in degenerate cases.
5168         Pass the locus of the expression to calls to shortcut_cond_r.
5169         Set the locus of the 'then' block on the associated jump, if any.
5170         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
5171         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
5172         expression to call to gimplify_boolean_expr.
5173
5174 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
5175
5176         * config.gcc: Add additional configuration for
5177         i686-w64-mingw* and x86_64-w64-mingw* triplet.
5178         * config/i386/mingw-w64.h: New mingw-w64 specific header.
5179         (CPP_SPEC): Redefine for allowing -municode option.
5180         (STARTFILE_SPEC): Likewise.
5181         * config/i386/t-mingw-w64: New.
5182         * config/i386/mingw-w64.opt: New.
5183         (municode): Add new target option.
5184         * doc/invoke.texi (municode): Add documentation for new option.
5185
5186 2009-04-21  Ian Lance Taylor  <iant@google.com>
5187
5188         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5189         Correct test for number of arguments.
5190         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
5191
5192 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
5193
5194         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
5195         argument of emit_library_call.
5196
5197 2009-04-21  Richard Guenther  <rguenther@suse.de>
5198
5199         PR middle-end/39829
5200         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
5201         inside VIEW_CONVERT_EXPRs.
5202
5203 2009-04-21  Martin Jambor  <mjambor@suse.cz>
5204
5205         * tree-switch-conversion.c (build_constructors): Split a long line.
5206         (constructor_contains_same_values_p): New function.
5207         (build_one_array): Create assigns of constants if possible, do not
5208         call mark_sym_for_renaming, call update_stmt.
5209         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
5210         make_rename_temp.  Do not call mark_symbols_for_renaming, call
5211         update_stmt.
5212         (gen_def_assigns): Do not call mark_symbols_for_renaming or
5213         find_new_referenced_vars, call update_stmt.
5214         (gen_inbound_check): Use create_tmp_var and create ssa names manually
5215         instead of calling make_rename_temp.  Do not call
5216         find_new_referenced_vars or mark_symbols_for_renaming, call
5217         update_stmt.
5218
5219 2009-04-21  Richard Guenther  <rguenther@suse.de>
5220
5221         PR tree-optimization/39827
5222         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
5223         (tree_ssa_phiprop): Pass the correct array size.
5224
5225 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
5226
5227         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
5228
5229 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5230
5231         PR 16202
5232         * c-typeck.c (lvalue_p): Move declaration ...
5233         * c-common.h (lvalue_p): ... to here.
5234         * c-common.c (candidate_equal_p): New.
5235         (add_tlist): Use it.
5236         (merge_tlist): Use it.
5237         (warn_for_collisions_1): Likewise.
5238         (warning_candidate_p): Accept more candidates.
5239         (verify_tree): A warning candidate can be an expression. Use
5240         candidate_equal_p.
5241
5242 2009-04-21  Ben Elliston  <bje@au.ibm.com>
5243
5244         PR target/5267
5245         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5246         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
5247         options.  Remove -mcall-solaris documentation.
5248
5249 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5250
5251         PR c++/13358
5252         * doc/invoke.texi (-Wlong-long): Update description.
5253         * c-lex (interpret_integer): Only warn if there was no previous
5254         overflow and -Wlong-long is enabled.
5255         * c-decl.c (declspecs_add_type): Drop redundant flags.
5256         * c.opt (Wlong-long): Init to -1.
5257         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
5258         and front-end warn_long_long. Wlong-long only depends on other
5259         flags if it is uninitialized.
5260         * c-parser.c (disable_extension_diagnostics): warn_long_long is
5261         the same for CPP and FE.
5262         (restore_extension_diagnostics): Likewise.
5263
5264 2009-04-20  Ian Lance Taylor  <iant@google.com>
5265
5266         Fix enum conversions which are invalid in C++:
5267         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
5268         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
5269         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
5270         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
5271         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
5272         (dbxout_parms): Likewise.
5273         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
5274         (df_clear_flags): Likewise.
5275         * df-problems.c (df_rd_bb_local_compute_process_def): Change
5276         top_flag parameter to int.
5277         (df_chain_create_bb_process_use): Likewise.
5278         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
5279         Remove cast.
5280         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
5281         (df_ref_create_structure, df_def_record_1): Likewise.
5282         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
5283         (df_notes_rescan): Change 0 to VOIDmode in function call.
5284         (df_get_call_refs, df_insn_refs_collect): Likewise.
5285         (df_bb_regs_collect): Likewise.
5286         (df_entry_block_defs_collect): Likewise.
5287         (df_exit_block_uses_collect): Likewise.
5288         * df.h: Update declarations.
5289         * double-int.c (double_int_divmod): Add cast to enum type.
5290         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
5291         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
5292         (based_loc_descr): Likewise.
5293         (loc_descriptor_from_tree_1): Change first_op and second_op to
5294         enum dwarf_location_atom.  Add cast to enum type.
5295         * expmed.c (init_expmed): Change 0 to SET in function call.
5296         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
5297         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
5298         (do_store_flag): Likewise.
5299         * fixed-value.h (struct fixed_value): Change mode to enum
5300         machine_mode.
5301         * function.c (assign_parms): Change 0 to VOIDmode in function call.
5302         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
5303         function call.
5304         (insert_insn_decl, insert_decl, insert_state): Likewise.
5305         (automata_list_finish): Likewise.
5306         * genrecog.c (process_define_predicate): Add cast to enum type.
5307         * gensupport.c (init_predicate_table): Add cast to enum type.
5308         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
5309         function call.
5310         (gimple_build_call_1, gimple_build_label): Likewise.
5311         (gimple_build_goto, gimple_build_asm_1): Likewise.
5312         (gimple_build_switch_1, gimple_build_cdt): Likewise.
5313         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
5314         (enum fallback): Rename from enum fallback_t.
5315         (fallback_t): Typedef as int.
5316         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
5317         GSI_SAME_STMT in function call.
5318         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
5319         enum type.
5320         (setup_reg_class_relations): Likewise.
5321         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
5322         (setup_prohibited_class_mode_regs): Add cast to enum type.
5323         (setup_prohibited_mode_move_regs): Likewise.
5324         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
5325         (record_address_regs): Change i to enum reg_class.
5326         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
5327         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
5328         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
5329         (GET_MODE_2XWIDER_MODE): Likewise.
5330         (GET_CLASS_NARROWEST_MODE): Likewise.
5331         * omp-low.c (expand_omp_for): Add cast to enum type.
5332         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
5333         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
5334         * postreload.c (reload_cse_simplify_operands): Change rclass local
5335         to enum reg_class.
5336         * predict.c (combine_predictions_for_insn): Change best_predictor
5337         and predictor to enum br_predictor.
5338         (combine_predictions_for_bb): Likewise.
5339         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
5340         use SET_PREDICT_EXPR_OUTCOME.
5341         * real.c (real_arithmetic): Change icode to code in function call.
5342         * reginfo.c (init_move_cost): Add casts to enum type.
5343         (init_reg_sets_1, init_fake_stack_mems): Likewise.
5344         * regmove.c (regclass_compatible_p): Change class0 and class1 to
5345         enum reg_class.
5346         * reload.c (find_valid_class): Add casts to enum type.
5347         (push_reload): Change 0 to NO_REGS in function call.
5348         (find_reloads): Change this_alternative to array of enum
5349         reg_class.  Remove some now-unnecessary casts.
5350         (make_memloc): Change 0 to VOIDmode in function call.
5351         * reload1.c (reload): Change 0 to VOIDmode in function call.
5352         (eliminate_regs_1, elimination_effects): Likewise.
5353         (eliminate_regs_in_insn): Likewise.
5354         (emit_input_reload_insns): Add cast to enum type.
5355         (delete_output_reload): Change 0 to VOIDmode in function call.
5356         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
5357         to enum type in function call.
5358         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
5359         (SET_PREDICT_EXPR_OUTCOME): Define.
5360         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
5361         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
5362         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
5363         (dump_function): Likewise.
5364         * tree-dump.h: Update declarations.
5365         * tree-pass.h: Update declarations.
5366         * varasm.c (assemble_integer): Change mclass to enum mode_class.
5367         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
5368         enum type.
5369         (arm_rtx_costs_1): Correct parenthesization.
5370         (arm_rtx_costs): Add casts to enum type.
5371         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
5372         (vfp_emit_fstmd): Use add_rg_note.
5373         (emit_multi_reg_push, emit_sfm): Likewise.
5374         (thumb_set_frame_pointer): Likewise.
5375         (arm_expand_prologue): Likewise.
5376         (arm_regno_class): Change return type to enum reg_class.
5377         (thumb1_expand_prologue): Use add_reg_note.
5378         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
5379         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
5380         in function call.
5381         * config/arm/gentune.sh: Add cast to enum type.
5382         * config/arm/arm-tune.md: Rebuild.
5383         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
5384         (ix86_split_fp_branch, predict_jump): Likewise.
5385         (ix86_expand_multi_arg_builtin): Change sub_code from enum
5386         insn_code to enum rtx_code.
5387         (ix86_builtin_vectorized_function): Add cast to enum type.
5388         * config/i386/i386.md (truncdfsf2): Change slot to enum
5389         ix86_stack_slot.
5390         (truncxf<mode>2, isinf<mode>2): Likewise.
5391         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
5392         enum type.
5393         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
5394         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
5395         (insert_bundle_state): Change 1 to INSERT in function call.
5396         (ia64_add_bundle_selector_before): Likewise.
5397         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
5398         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
5399         (restore_stack_nonlocal): Likewise.
5400         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
5401         function call.
5402         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
5403         function call.
5404         (mips_rtx_costs): Likewise.
5405         (mips_override_options): Add casts to enum type.
5406         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
5407         in function call.
5408         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
5409         (store_reg, set_reg_plus_d): Likewise.
5410         (hppa_expand_prologue, hppa_profile_hook): Likewise.
5411         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5412         cast to enum type.
5413         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
5414         function call.
5415         (emit_unlikely_jump): Use add_reg_note.
5416         (rs6000_emit_allocate_stack): Likewise.
5417         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
5418         (output_toc): Change 1 to INSERT in function call.
5419         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
5420         (rs6000_initialize_trampoline): Likewise.
5421         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
5422         function call.
5423         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
5424         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
5425         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
5426         (save_gprs): Use add_reg_note.
5427         (s390_emit_prologue): Likewise.
5428         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5429         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
5430         (sparc_fold_builtin): Add cast to enum type.
5431         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
5432         enum insn_code.
5433         (spu_expand_prologue): Use add_reg_note.
5434         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
5435
5436 2009-04-20  Ian Lance Taylor  <iant@google.com>
5437
5438         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
5439         (c_parser_postfix_expression_after_primary): Get VEC for list of
5440         arguments.  Get original types of arguments.  Call
5441         build_function_call_vec.
5442         (cached_expr_list_1, cached_expr_list_2): New static variables.
5443         (c_parser_expr_list): Change return type to VEC *.  Add
5444         p_orig_types parameter.  Change all callers.
5445         (c_parser_release_expr): New static function.
5446         (c_parser_vec_to_tree_list): New static function.
5447         * c-typeck.c (build_function_call): Rewrite to build a VEC and
5448         call build_function_call_vec.
5449         (build_function_call_vec): New function, based on old
5450         build_function_call.
5451         (convert_arguments): Remove nargs and argarray parameters.  Change
5452         values to a VEC.  Add origtypes parameter.
5453         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
5454         (convert_for_assignment): Add origtype parameter.  Change all
5455         callers.  If warn_cxx_compat, check for conversion to an enum
5456         type when calling a function.
5457         (store_init_value): Add origtype parameter.  Change all callers.
5458         (digest_init): Likewise.
5459         (struct init_node): Add origtype field.
5460         (add_pending_init): Add origtype parameter.  Change all callers.
5461         (output_init_element): Likewise.
5462         (output_pending_init_elements): Pass origtype from init_node to
5463         output_init_element.
5464         (process_init_element): Pass origtype from c_expr to
5465         output_init_element.
5466         (c_finish_return): Add origtype parameter.  Change all callers.
5467         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
5468         caller.
5469         (sync_resolve_params): Likewise.
5470         (sync_resolve_return): Change params to first_param.  Change caller.
5471         (resolve_overloaded_builtins): Change params to VEC *.  Change
5472         callers.  Save first parameter around call to build_function_call_vec.
5473         * c-decl.c (finish_decl): Add origtype parameter.  Change all
5474         callers.  Call build_function_call_vec rather than
5475         build_function_call for cleanup.
5476         * c-tree.h: Update declarations.
5477         * c-common.h: Update declarations.
5478         * stub-objc.c (objc_rewrite_function_call): Change parameter from
5479         params to first_param.
5480         * target.h (struct gcc_target): Change resolve_overloaded_builtin
5481         params parameter from tree to void *.
5482         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5483         Change arglist parameter to have type void *, and to be a pointer
5484         to a VEC.
5485         * config/rs6000/rs6000-protos.h
5486         (altivec_resolve_overloaded_builtin): Update declaration.
5487         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
5488         fnargs parameter to have type void *, and to be a pointer to a
5489         VEC.  Call build_function_call_vec instead of
5490         build_function_call.
5491         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
5492
5493 2009-04-20  Joey Ye  <joey.ye@intel.com>
5494             Xuepeng Guo  <xuepeng.guo@intel.com>
5495             H.J. Lu  <hongjiu.lu@intel.com>
5496
5497         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
5498
5499         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
5500         (IX86_LEA_PRIORITY): Likewise.
5501         (distance_non_agu_define): New function.
5502         (distance_agu_use): Likewise.
5503         (ix86_lea_for_add_ok): Likewise.
5504         (ix86_dep_by_shift_count): Likewise.
5505
5506         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
5507         should split for LEA.
5508
5509         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
5510         function.
5511         (ix86_dep_by_shift_count): Likewise.
5512
5513 2009-04-20  Richard Guenther  <rguenther@suse.de>
5514
5515         * expr.c (handled_component_p): Move ...
5516         * tree.h (handled_component_p): ... here.
5517         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
5518         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
5519         and REALPART_EXPR to be in one group.
5520
5521 2009-04-20  Richard Guenther  <rguenther@suse.de>
5522
5523         * basic-block.h (get_all_dominated_blocks): Declare.
5524         * dominance.c (get_all_dominated_blocks): New function.
5525         * tree-cfg.c (get_all_dominated_blocks): Remove.
5526         (remove_edge_and_dominated_blocks): Adjust.
5527         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5528         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5529         instead of recursing.
5530
5531 2009-04-20  Doug Kwan  <dougkwan@google.com>
5532
5533         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5534         (struct cgraph_node_set_def): New type.
5535         (cgraph_node_set) New type. Also declare vector functions.
5536         (struct cgraph_node_set_element_def): New type.
5537         (cgraph_node_set_element): Ditto.
5538         (cgraph_node_set_iterator): New iterator type.
5539         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5540         cgraph_node_set_remove, dump_cgraph_node_set,
5541         debug_cgraph_node_set): New prototypes.
5542         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5543         cgraph_node_set_size): New inlines.
5544         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5545         including cgraph.h.
5546         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5547         argument to function 'write_summary'.
5548         * ipa.c: Include ggc.h.
5549         (hash_cgraph_node_set_element,
5550         eq_cgraph_node_set_element, cgraph_node_set_new,
5551         cgraph_node_set_add, cgraph_node_set_remove,
5552         cgraph_node_set_find, dump_cgraph_node_set,
5553         debug_cgraph_node_set): New functions.
5554         * Makefile.in (ipa.o): Add dependency on GGC_H.
5555
5556 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5557
5558         PR tree-optimization/39675
5559         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5560         check of the return code of vect_schedule_slp. Check that
5561         stmt_vec_info still exists for the statement, before checking its
5562         vectorization type.
5563
5564 2009-04-20  Michael Matz  <matz@suse.de>
5565
5566         * Makefile.in (generated_files): Take out $(simple_generated_c).
5567
5568 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5569
5570         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5571         (UINTPTR_TYPE):  Likewise.
5572
5573 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5574
5575         PR c/37481
5576         * c-typeck.c (digest_init): Check for initializing an array with a
5577         string literal.
5578
5579 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5580
5581         PR c/19771
5582         * c-semantics.c (pop_stmt_list): Propagate
5583         STATEMENT_LIST_HAS_LABEL to parent statement list.
5584
5585 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5586
5587         * config/mips/mips.h (mips_tune_attr): New macro.
5588         * config/mips/mips.md (cpu): Use it.
5589
5590 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5591
5592         PR c/38243
5593         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5594         declaring a tag.
5595
5596 2009-04-19  Diego Novillo  <dnovillo@google.com>
5597
5598         * toplev.c (compile_file): Move call to coverage_finish ...
5599         * cgraphunit.c (ipa_passes): ... here.
5600         Call cgraph_process_new_functions.
5601         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5602         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5603
5604 2009-04-19  Jan Hubicka  <jh@suse.cz>
5605
5606         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5607         cfun.
5608         (dump_cgraph_node): Dump can throw external flag.
5609         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5610
5611 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5612
5613         PR c/32061
5614         PR c++/36954
5615         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5616         * common.opt (Wlogical-op): Move from here...
5617         * c.opt (Wlogical-op): ... to here.
5618         * c-typeck.c (parser_build_binary_op): Update call to
5619         warn_logical_operator.
5620         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5621         extra_warnings.
5622         * c-common.c (warn_logical_op): Update.
5623         * c-common.h (warn_logical_op): Update declaration.
5624
5625 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5626
5627         * tree.c (protected_set_expr_location): Fix formatting.
5628
5629 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5630
5631         PR c/27676
5632         * c-typeck.c (readonly_warning): new.
5633         (build_unary_op, build_modify_expr): Use readonly_warning for
5634         storing into something readonly but not const-qualified.
5635
5636 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5637
5638         PR c/22367
5639         * c-typeck.c (build_unary_op): Check for taking address of
5640         expression of type void.
5641
5642 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5643
5644         PR c/35210
5645         * c-typeck.c (build_function_call): Check for calling a function
5646         with qualified void return types.  Call require_complete_type when
5647         generating a trap.
5648
5649 2009-04-18  Jan Hubicka  <jh@suse.cz>
5650
5651         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5652         Set nothrow flag.
5653         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5654         can_throw_external flag.
5655         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5656         * ipa-pure-const.c (ignore_edge): New function.
5657         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5658         only over can_throw_external edges.
5659         (local_pure_const): Add nothrow flag.
5660         * ipa-utils.c (searchc): Add ignore_edge callback.
5661         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5662         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5663         (set_nothrow_function_flags): Update cgraph.
5664         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5665
5666 2009-04-18  Richard Guenther  <rguenther@suse.de>
5667
5668         PR middle-end/39804
5669         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5670         (fold_stmt): ... this and ...
5671         (fold_stmt_inplace): ... this.
5672         (fold_stmt_1): Fold references in calls and asms.
5673         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5674
5675 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5676
5677         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5678         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5679
5680 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5681
5682         * tree.c (function_args_count): Remove.
5683         * tree.h: Remove the prototype for function_args_count.
5684
5685 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5686
5687         * tree-iterator.c (expr_only): Remove.
5688         * tree.h: Remove the prototype for expr_only.
5689
5690 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5691
5692         * reginfo.c (cannot_change_mode_set_regs): Remove.
5693         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5694
5695 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5696
5697         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5698         whether operands 0 and 1 overlaps.
5699
5700 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5701
5702         PR middle-end/36902
5703         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5704         pointer. Use warning_at instead of warning.
5705         (search_for_addr_array): Likewise.
5706         (check_array_bounds): Likewise.
5707         (check_all_array_refs): Check that the incoming edge is not in the
5708         list of edges to be removed.
5709         (check_all_array_refs): Avoid the temporal pointer.
5710         (vrp_visit_cond_stmt): Fix typo.
5711         (simplify_switch_using_ranges): Handle the case where the switch
5712         index is an integer constant.
5713
5714 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5715
5716         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5717
5718 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5719
5720         * doc/extend.texi, doc/invoke.texi: Fix typos.
5721
5722 2009-04-17  Cary Coutant  <ccoutant@google.com>
5723
5724         * tree-flow-inline.h (get_lineno): Fix inverted test.
5725
5726 2009-04-17  Diego Novillo  <dnovillo@google.com>
5727
5728         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5729         assertion for AVAIL_OUT.
5730
5731 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5732
5733         PR target/38627
5734         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5735         * config/sh/linux-atomic.asm: Likewise.
5736
5737 2009-04-17  Diego Novillo  <dnovillo@google.com>
5738
5739         * except.c (debug_eh_tree): New.
5740         (struct eh_region, struct eh_status): Move ...
5741         * except.h: ... here.
5742         (add_type_for_runtime): Declare extern.
5743         (lookup_type_for_runtime): Likewise.
5744         (debug_eh_tree): Declare.
5745         * Makefile.in (GTFILES): List except.h before except.c
5746
5747 2009-04-17  Diego Novillo  <dnovillo@google.com>
5748
5749         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5750         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5751         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5752         (find_vars_r): ... here.
5753         * tree-flow.h (find_referenced_vars_in): Declare.
5754         * tree-ssa-pre.c (create_expression_by_pieces): Assert
5755         that AVAIL_OUT exists for BLOCK.
5756         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
5757         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
5758         (tree-parloops.o): Likewise.
5759
5760 2009-04-17  Simon Baldwin  <simonb@google.com>
5761
5762         * toplev.c (default_tree_printer): Add handling for %E format.
5763
5764 2009-04-17  Diego Novillo  <dnovillo@google.com>
5765
5766         * tree-pretty-print.c (dump_generic_node): Add break after
5767         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
5768         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
5769         FUNCTION_TYPE together.  Call print_struct_decl when printing
5770         structures and TDF_SLIM is not given.
5771         (print_struct_decl): Fix logic for detecting recursion.
5772
5773 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5774
5775         PR 31567
5776         * gcc.c (create_at_file): New.
5777         (compile_input_file_p): New.
5778         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5779         * main.c (main): Update call to toplev_main.
5780         * toplev.c (toplev_main): Change signature. Call expandargv.
5781         * toplev.h (toplev_main): Change signature.
5782
5783 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5784
5785         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5786         if the latter is not constant.
5787
5788 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5789
5790         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5791
5792 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5793
5794         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5795         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5796
5797 2009-04-17  Richard Guenther  <rguenther@suse.de>
5798
5799         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5800         Handle component references view-converting an invariant address.
5801
5802 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5803
5804         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5805         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5806         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5807         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5808         Use @deftypevr rather than @deftypevar.
5809
5810 2009-04-17  Richard Guenther  <rguenther@suse.de>
5811
5812         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5813         (get_prop_source_stmt): Likewise.
5814         (can_propagate_from): Likewise.
5815
5816 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5817
5818         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5819         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5820         (--with-multilib-list): Add default value.
5821         * configure: Regenerate.
5822         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5823         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5824         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5825         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5826         Don't add default cpu to multilib list unnecessarily, but do enable
5827         the relevant compiler option..
5828         Add support for --with-multilib-list=<blank> and
5829         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5830         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5831         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5832         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5833         TM_MULTILIB_CONFIG.
5834         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5835         (MULTILIB_OSDIRNAMES): New variable.
5836         * config/sh/t-1e: Delete file.
5837         * config/sh/t-mlib-sh1: Delete file.
5838         * config/sh/t-mlib-sh2: Delete file.
5839         * config/sh/t-mlib-sh2a: Delete file.
5840         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5841         * config/sh/t-mlib-sh2a-single: Delete file.
5842         * config/sh/t-mlib-sh2a-single-only: Delete file.
5843         * config/sh/t-mlib-sh2e: Delete file.
5844         * config/sh/t-mlib-sh3e: Delete file.
5845         * config/sh/t-mlib-sh4: Delete file.
5846         * config/sh/t-mlib-sh4-nofpu: Delete file.
5847         * config/sh/t-mlib-sh4-single: Delete file.
5848         * config/sh/t-mlib-sh4-single-only: Delete file.
5849         * config/sh/t-mlib-sh4a: Delete file.
5850         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5851         * config/sh/t-mlib-sh4a-single: Delete file.
5852         * config/sh/t-mlib-sh4a-single-only: Delete file.
5853         * config/sh/t-mlib-sh4al: Delete file.
5854         * config/sh/t-mlib-sh5-32media: Delete file.
5855         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5856         * config/sh/t-mlib-sh5-64media: Delete file.
5857         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5858         * config/sh/t-mlib-sh5-compact: Delete file.
5859         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5860         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5861         * doc/install.texi (Options specification): Add
5862         --with-multilib-list and --with-endian.
5863
5864 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5865
5866         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5867         REVISION_c.
5868         (OBJS-common): Add plugin-version.o.
5869         (plugin-version.o): New.
5870         * gcc-plugin.h (plugin_gcc_version): New.
5871         (plugin_default_version_check): New.
5872         (plugin_init_func, plugin_init): Add version argument.
5873         * plugin-version.c: New.
5874         * plugin.c (str_plugin_gcc_version_name): New.
5875         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5876         pass it to the init function.
5877         (plugin_default_version_check): New.
5878
5879 2009-04-17  Richard Guenther  <rguenther@suse.de>
5880
5881         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5882         for decl-vs-decl disambiguation.
5883
5884 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5885
5886         * config/s390/s390.h (s390_tune_attr): New macro definition.
5887         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5888
5889 2009-04-17  Richard Guenther  <rguenther@suse.de>
5890
5891         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5892         (fold_stmt_r): Likewise.
5893         (maybe_fold_reference): New function.
5894         (fold_gimple_assign): Handle cases fold_stmt_r did.
5895         (fold_stmt): Do not use fold_stmt_r.
5896         (fold_stmt_inplace): Likewise.
5897
5898 2009-04-17  Richard Guenther  <rguenther@suse.de>
5899
5900         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5901         (record_equivalences_from_stmt): Remove useless checks and
5902         simplifications.
5903         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5904         the type is already suitable.
5905
5906 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5907
5908         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5909
5910 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5911
5912         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5913         (CMPtype): Define as __gcc_CMPtype.
5914
5915 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5916
5917         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5918         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5919
5920 2009-04-17  Richard Guenther  <rguenther@suse.de>
5921
5922         PR tree-optimization/39746
5923         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5924         special-casing for builtins and static variable use/def.
5925         (call_may_clobber_ref_p_1): Likewise.
5926
5927 2009-04-16  Ian Lance Taylor  <iant@google.com>
5928
5929         * df.h: Include "timevar.h".
5930         (struct df_problem): Change tv_id field to timevar_id_t.
5931         * tree-pass.h: Include "timevar.h".
5932         (struct opt_pass): Change tv_id field to timevar_id_t.
5933         * timevar.h (timevar_id_t): Define TV_NONE.
5934         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5935         TV_NONE rather than tv_id != 0.
5936         (execute_one_pass): Likewise.
5937         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5938         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5939         dependencies to $(TREE_PASS_H).
5940         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5941         to TV_NONE.
5942         (pass_branch_target_load_optimize2): Likewise.
5943         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5944         (pass_outof_cfg_layout_mode): Likewise.
5945         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5946         (pass_rebuild_cgraph_edges): Likewise.
5947         (pass_remove_cgraph_callee_edges): Likewise.
5948         * df-core.c (pass_df_initialize_opt): Likewise.
5949         (pass_df_initialize_no_opt): Likewise.
5950         (pass_df_finish): Likewise.
5951         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5952         * except.c (pass_set_nothrow_function_flags): Likewise.
5953         (pass_convert_to_eh_region_ranges): Likewise.
5954         * final.c (pass_compute_alignments): Likewise.
5955         * function.c (pass_instantiate_virtual_regs): Likewise.
5956         (pass_init_function): Likewise.
5957         (pass_leaf_regs): Likewise.
5958         (pass_match_asm_constraints): Likewise.
5959         * gimple-low.c (pass_lower_cf): Likewise.
5960         (pass_mark_used_blocks): Likewise.
5961         * init-regs.c (pass_initialize_regs): Likewise.
5962         * integrate.c (pass_initial_value_sets): Likewise.
5963         * ira.c (pass_ira): Likewise.
5964         * jump.c (pass_cleanup_barriers): Likewise.
5965         * omp-low.c (pass_expand_omp): Likewise.
5966         (pass_lower_omp): Likewise.
5967         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5968         * recog.c (pass_split_all_insns): Likewise.
5969         (pass_split_after_reload): Likewise.
5970         (pass_split_before_regstack): Likewise.
5971         (pass_split_before_sched2): Likewise.
5972         (pass_split_for_shorten_branches): Likewise.
5973         * reginfo.c (pass_reginfo_init): Likewise.
5974         (pass_subregs_of_mode_init): Likewise.
5975         (pass_subregs_of_mode_finish): Likewise.
5976         * passes.c (pass_postreload): Likewise.
5977         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5978         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5979         (pass_warn_function_return): Likewise.
5980         (pass_warn_function_noreturn): Likewise.
5981         * tree-complex.c (pass_lower_complex): Likewise.
5982         (pass_lower_complex_O0): Likewise.
5983         * tree-if-conv.c (pass_if_conversion): Likewise.
5984         * tree-into-ssa.c (pass_build_ssa): Likewise.
5985         * tree-mudflap.c (pass_mudflap_1): Likewise.
5986         (pass_mudflap_2): Likewise.
5987         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5988         (pass_mudflap_2): Likewise.
5989         * tree-nrv.c (pass_return_slot): Likewise.
5990         * tree-object-size.c (pass_object_sizes): Likewise.
5991         * tree-optimize.c (pass_all_optimizations): Likewise.
5992         (pass_early_local_passes): Likewise.
5993         (pass_all_early_optimizations): Likewise.
5994         (pass_cleanup_cfg): Likewise.
5995         (pass_cleanup_cfg_post_optimizing): Likewise.
5996         (pass_free_datastructures): Likewise.
5997         (pass_free_cfg_annotations): Likewise.
5998         (pass_fixup_cfg): Likewise.
5999         (pass_init_datastructures): Likewise.
6000         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
6001         (pass_late_warn_uninitialized): Likewise.
6002         (pass_update_address_taken): Likewise.
6003         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
6004         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
6005         (pass_cse_sincos): Likewise.
6006         (pass_convert_to_rsqrt): Likewise.
6007         * tree-ssa-structalias.c (pass_build_alias): Likewise.
6008         * tree-stdarg.c (pass_stdarg): Likewise.
6009         * tree-tailcall.c (pass_tail_recursion): Likewise.
6010         (pass_tail_calls): Likewise.
6011         * tree-vect-generic.c (pass_lower_vector): Likewise.
6012         (pass_lower_vector_ssa): Likewise.
6013         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
6014
6015 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
6016
6017         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
6018         XLR entry.
6019         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
6020         Handle -march=xlr.
6021         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
6022         logical and signext.
6023
6024 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
6025
6026         PR target/39767
6027         * config/sh/predicates.md (arith_operand): Check if the operand
6028         of TRUNCATE is a REG.
6029
6030 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6031
6032         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
6033         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
6034
6035 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6036
6037         * tree-iterator.c (tsi_split_statement_list_after,
6038         tsi_split_statement_list_before): Remove.
6039         * tree-iterator.h: Remove the prototypes for
6040         tsi_split_statement_list_after and tsi_split_statement_list_before.
6041
6042 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6043
6044         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
6045         * tree-ssa-propagate.h: Remove the prototype for
6046         stmt_makes_single_load.
6047
6048 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6049
6050         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
6051         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
6052
6053 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6054
6055         * tree-iterator.c (EXPR_LAST_BODY): Remove.
6056
6057 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6058
6059         * except.c (eh_region_outer_p): Remove.
6060         * except.h: Remove the prototype for eh_region_outer_p.
6061
6062 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
6063
6064         * function.c (current_function_assembler_name): Remove.
6065         * function.h: Remove the prototype for
6066         current_function_assembler_name.
6067
6068 2009-04-16  Ian Lance Taylor  <iant@google.com>
6069
6070         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
6071         (add_reg_note): Call alloc_reg_note.
6072         * rtl.h (alloc_reg_note): Declare.
6073         * combine.c (try_combine): Use alloc_reg_note.
6074         (recog_for_combine, move_deaths): Likewise.
6075         (distribute_notes): Use alloc_reg_note and add_reg_note.
6076         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
6077         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
6078         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
6079
6080 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
6081
6082         PR rtl-optimization/39762
6083         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
6084         ira_may_move_out_cost): Add comments about way of their usage.
6085         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
6086
6087         * ira-conflicts.c (process_regs_for_copy): Use function
6088         ira_get_register_move_cost instead of global
6089         ira_register_move_cost.
6090
6091         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
6092         color_pass, move_spill_restore, update_curr_costs): Ditto.
6093
6094         * ira-lives.c (process_single_reg_class_operands): Ditto.
6095
6096         * ira-emit.c (emit_move_list): Ditto.
6097
6098         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
6099         (record_reg_classes): Ditto.  Use functions
6100         ira_get_register_move_cost and ira_get_may_move_cost instead of
6101         global vars ira_register_move_cost, ira_may_move_out_cost and
6102         ira_may_move_in_cost.
6103         (record_address_regs): Don't call ira_init_register_move_cost.
6104         Use function ira_get_may_move_cost instead of global
6105         ira_may_move_in_cost.
6106         (process_bb_node_for_hard_reg_moves): Use function
6107         ira_get_register_move_cost instead of global ira_register_move_cost.
6108         (ira_costs): Don't call ira_init_register_move_cost.
6109
6110 2009-04-16  Richard Guenther  <rguenther@suse.de>
6111
6112         * tree-cfg.c (verify_gimple_assign_binary):
6113         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
6114         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
6115         (create_general_new_stmt): Note that this function is broken.
6116
6117 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6118
6119         * common.opt (fhelp): Add Var(help_flag).
6120         * gcc-plugin.h (plugin_info): Add help.
6121         * plugin.c (plugin_name_args): Add help.
6122         (register_plugin_info): Set plugin->help.
6123         (print_help_one_plugin): New.
6124         (print_plugins_help): New.
6125         * plugin.h (print_plugins_help): New.
6126         * toplev.c (toplev_main): Call print_plugins_help if needed.
6127
6128 2009-04-16  Richard Guenther  <rguenther@suse.de>
6129
6130         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
6131         (gimple_ior_addresses_taken_1): New function.
6132         (gimple_ior_addresses_taken): Likewise.
6133         * gimple.h (struct gimple_statement_with_ops_base): Remove
6134         addresses_taken member.
6135         (gimple_ior_addresses_taken): Declare.
6136         (gimple_addresses_taken, gimple_addresses_taken_ptr,
6137         gimple_set_addresses_taken): Remove.
6138         * ipa-reference.c (mark_address): New function.
6139         (scan_stmt_for_static_refs): Use it for marking addresses taken.
6140         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
6141         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
6142         (gimple_add_to_addresses_taken): Remove.
6143         (get_tmr_operands): Call mark_address_taken.
6144         (get_asm_expr_operands): Likewise.
6145         (get_expr_operands): Likewise.
6146         (build_ssa_operands): Do not clear the addresses_taken bitmap.
6147         (free_stmt_operands): Do not free it.
6148         * tree-ssa.c (delete_tree_ssa): Likewise.
6149         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
6150
6151 2009-04-16  Richard Guenther  <rguenther@suse.de>
6152
6153         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
6154         (walk_stmt_load_store_ops): Likewise.
6155         * gimple.c (get_base_loadstore): New function.
6156         (walk_stmt_load_store_addr_ops): Likewise.
6157         (walk_stmt_load_store_ops): Likewise.
6158         * ipa-pure-const.c (check_op): Simplify.
6159         (check_load, check_store): New functions.
6160         (check_stmt): Use walk_stmt_load_store_ops.
6161         * ipa-reference.c (mark_load): Adjust signature.
6162         (mark_store): Likewise.
6163         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
6164
6165 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6166
6167         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
6168         (plugin_info): New.
6169         * opts.c (common_handle_option): Don't call print_version.
6170         * plugin.c (plugin_name_args): Add version.
6171         (register_plugin_info): New.
6172         (register_callback): Handle PLUGIN_INFO.
6173         (try_init_one_plugin): New.
6174         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
6175         if failed to init.
6176         (finalize_one_plugin): New.
6177         (finalize_plugins): New.
6178         (print_one_plugin): New.
6179         (print_plugins_versions): New.
6180         * plugin.h (print_plugins_versions): New.
6181         (finalize_plugins): New.
6182         * toplev.c (compile_file): Don't call initialize_plugins.
6183         (print_version): Call print_plugins_versions.
6184         (toplev_main): Call initialize_plugins. Print version if needed.
6185         Call finalize_plugins.
6186
6187 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6188
6189         * common.opt (fversion): New.
6190         * gcc.c (print_version): New.
6191         (process_command): Don't print the version. Just set print_version.
6192         (main): Print version. Call subprocesses if print_version and
6193         verbose_flag are set.
6194         * opts.c (common_handle_option): Handle OPT_fversion.
6195
6196 2009-04-16  Richard Guenther  <rguenther@suse.de>
6197             Ira Rosen  <irar@il.ibm.com>
6198
6199         PR tree-optimization/39698
6200         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6201         type of the reduction variable.  Only generate the def if
6202         it is needed.
6203
6204         * omp-low.c (expand_omp_for_generic): When converting to a pointer
6205         make sure to first convert to an integer of the same precision.
6206         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
6207         the type of the evolution correctly in computing the new
6208         induction variable base.
6209
6210 2009-04-16  Richard Guenther  <rguenther@suse.de>
6211
6212         PR middle-end/39625
6213         * tree-cfg.c (make_blocks): Split statements with to-be
6214         abnormal SSA names on the lhs.
6215
6216 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
6217
6218         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
6219         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
6220         * c-typeck.c (really_start_incremental_init): Likewise.
6221         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
6222         (TARGET_INITIALIZER): Remove it.
6223         * target.h (struct target): Remove vector_opaque_p.
6224         * tree.c (build_opaque_vector_type): New.
6225         * tree.h (TYPE_VECTOR_OPAQUE): New.
6226         (build_opaque_vector_type): Declare.
6227         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
6228         * config/rs6000/rs6000.c (build_opaque_vector_type,
6229         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
6230         (rs6000_init_builtins): Use build_opaque_vector_type for
6231         opaque_V4SI_type_node.
6232
6233 2009-04-15  Catherine Moore  <clm@codesourcery.com>
6234
6235         * debug.h (set_name):  Declare.
6236         * dwarf2out.c (dwarf2out_set_name): Declare.
6237         (dwarf2_debug_hooks): Add set_name.
6238         (find_AT_string): New.
6239         (add_AT_string): Call find_AT_string.
6240         (dwarf2out_set_name): New.
6241         * cp/decl.c (grokdeclarator): Call set_name.
6242         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
6243         * debug.c (do_nothing_debug_hooks):  Likewise.
6244         * dbxout.c (dbx_debug_hooks): Likewise.
6245         * sdbout.c (sdb_debug_hooks): Likewise.
6246
6247 2009-04-15  Michael Eager  <eager@eagercon.com>
6248
6249         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
6250         reg for single-precision FPU.
6251         * config/rs6000/rs6000.md (movsi_internal1): Only for
6252         !TARGET_SINGLE_FPU.
6253         (movsi_internal1_single): New. Add pattern to move SI values to/from
6254         single-precision FP regs.
6255
6256 2009-04-15  Richard Guenther  <rguenther@suse.de>
6257
6258         * omp-low.c (lower_rec_input_clauses): Build correct address
6259         expressions.
6260         (expand_omp_for_generic): Fix multiplication type.
6261         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
6262         (generate_memset_zero): Fix types.
6263         * tree-profile.c (prepare_instrumented_value): Correctly
6264         widen a pointer.
6265
6266 2009-04-15  Ian Lance Taylor  <iant@google.com>
6267
6268         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
6269         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
6270         for -Wall and for -Wc++-compat.
6271         (c_common_post_options): For C++, set warn_enum_compare if not
6272         already set.
6273         * c-tree.h (struct c_expr): Add field original_type.
6274         (build_external_ref): Update declaration.
6275         * c-parser.c (c_parser_braced_init): Set original_type.
6276         (c_parser_initelt): Likewise.
6277         (c_parser_expr_no_commas): Likewise.
6278         (c_parser_conditional_expression): Likewise.
6279         (c_parser_cast_expression): Likewise.
6280         (c_parser_unary_expression): Likewise.  Pull setting of
6281         original_code to top of function.
6282         (c_parser_sizeof_expression): Set original_type.
6283         (c_parser_alignof_expression): Likewise.
6284         (c_parser_postfix_expression): Likewise.  Pull setting of
6285         original_code to top of function.
6286         (c_parser_postfix_expression_after_paren_type): Set original_type.
6287         (c_parser_postfix_expression_after_primary): Likewise.
6288         (c_parser_expression): Likewise.
6289         * c-typeck.c (build_external_ref): Add type parameter.  Change all
6290         callers.
6291         (c_expr_sizeof_expr): Set original_type field.
6292         (parser_build_unary_op): Likewise.
6293         (parser_build_binary_op): Likewise.  Optionally warn about
6294         comparisons of enums of different types.
6295         (digest_init): Set original_type field.
6296         (really_start_incremental_init): Likewise.
6297         (push_init_level, pop_init_level): Likewise.
6298         * doc/invoke.texi (Warning Options): -Wenum-compare now
6299         supported in C.
6300
6301 2009-04-15  Richard Guenther  <rguenther@suse.de>
6302
6303         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
6304         out a necessary conversion.
6305         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
6306         names we didn't value number.
6307         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
6308
6309 2009-04-15  Richard Guenther  <rguenther@suse.de>
6310
6311         PR tree-optimization/39764
6312         * tree-ssa-ccp.c (get_value): Canonicalize value with
6313         canonicalize_float_value.
6314
6315 2009-04-15  Jan Hubicka  <jh@suse.cz>
6316
6317         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
6318         Wrong version of patch.
6319
6320 2009-04-15  Jan Hubicka  <jh@suse.cz>
6321
6322         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
6323
6324 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6325
6326         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
6327         our distinct integral and vector types.
6328
6329 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
6330
6331         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
6332         * init.c (build_vtbl_address): Remove call to assemble_external.
6333
6334 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
6335
6336         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
6337         output for other floating point modes.
6338
6339 2009-04-14  Diego Novillo  <dnovillo@google.com>
6340
6341         * diagnostic.c (diagnostic_report_diagnostic): Do not
6342         warn about loaded plugins for DK_ERROR and DK_WARNING.
6343         * c-decl.c (declspecs_add_type): Move call to
6344         invoke_plugin_callbacks ...
6345         * c-parser.c (c_parser_declspecs): ... here.
6346         * plugin.c (dump_active_plugins): Tidy output.
6347
6348 2009-04-14  Diego Novillo  <dnovillo@google.com>
6349             Le-Chun Wu  <lcwu@google.com>
6350
6351         * configure.ac: Add --enable-plugin support.
6352         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
6353         * Makefile.in (PLUGIN_H): Define.
6354         Export ENABLE_PLUGIN and GMPINC to site.exp.
6355         Add PLUGINLIBS to link command.
6356         Add/modify dependencies for plugin.o and files including plugin.h.
6357         (plugin.o): New.
6358         * config.in: Regenerate.
6359
6360         * opts.c (common_handle_option): Handle OPT_fplugin_ and
6361         OPT_fplugin_arg_.
6362
6363 2009-04-14  Le-Chun Wu  <lcwu@google.com>
6364
6365         * tree-pass.h (register_one_dump_file): Add a prototype for
6366         register_one_dump_file.
6367         * toplev.c (compile_file): Call initialize_plugins.
6368         (do_compile): Call invoke_plugin_callbacks.
6369         (toplev_main): Call invoke_plugin_callbacks.
6370         * common.opt: Add -fplugin= and -fplugin-arg-.
6371         * gcc-plugin.h: New public header file for plugins to include.
6372         * plugin.c: New source file.
6373         * plugin.h: New internal header file.
6374         * passes.c (register_one_dump_file): Make it external.
6375
6376         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
6377
6378 2009-04-14  Diego Novillo  <dnovillo@google.com>
6379
6380         * doc/plugins.texi: New.
6381         * doc/gccint.texi: Add reference to Plugins chapter.
6382         * doc/invoke.texi: Document -fplugin and -fplugin-arg
6383         * diagnostic.c (diagnostic_report_diagnostic): Warn about
6384         loaded plugins, if any.
6385         * timevar.def (TV_PLUGIN_INIT): Define.
6386         (TV_PLUGIN_RUN): Define.
6387         * plugin.c: Include timevar.h
6388         (plugins_active_p): New.
6389         (dump_active_plugins): New.
6390         (debug_active_plugins): New.
6391
6392 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
6393
6394         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
6395         library paths.
6396         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
6397
6398 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
6399
6400         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
6401         the same as a minus without a shift.
6402
6403 2009-04-14  Nick Clifton  <nickc@redhat.com>
6404
6405         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
6406         comparisons with small integers will always produce a short
6407         branch.
6408
6409 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
6410
6411         Merge:
6412         2008-12-19  Diego Novillo  <dnovillo@google.com>
6413
6414         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
6415
6416 2009-04-14  Richard Guenther  <rguenther@suse.de>
6417
6418         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
6419         verification.
6420         (verify_gimple_assign_binary): Likewise.  Handle shifts and
6421         rotates correctly.
6422         (verify_gimple_phi): Print the mismatched argument position.
6423         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6424         Fix types.
6425         (vect_update_init_of_dr): Likewise.
6426         * matrix-reorg.c (transform_access_sites): Do what the
6427         comment suggests.
6428         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
6429
6430 2009-04-13  Michael Eager  <eager@eagercon.com>
6431
6432         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
6433         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
6434         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
6435         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
6436         remove duplicate config
6437
6438 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6439
6440         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
6441         file_name:line_number type locator of the call site.
6442
6443 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6444
6445         * genautomata.c: Put blank after comma.
6446         (automaton_decls): New.
6447         (struct unit_usage): Add comments to member next.
6448         (store_alt_unit_usage): Keep the list ordered.
6449         (unit_present_on_list_p, equal_alternatives_p): New.
6450         (check_regexp_units_distribution): Check units distribution
6451         correctness correctly.
6452         (main): Don't write automata if error is found.  Return correct
6453         exit code.
6454
6455         * config/m68k/cf.md (cfv4_ds): Remove.
6456         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
6457         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
6458
6459         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
6460         power4-load-ext, power4-store, power4-store-update,
6461         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
6462         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
6463         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
6464         power4-sqrt, power4-isync): Modify reservation to make correct
6465         unit distribution to automata.
6466
6467         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
6468         power5-store-update, power5-two, power5-three, power5-lmul,
6469         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
6470
6471 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
6472
6473         * except.c (pass_set_nothrow_function_flags): Set name and add
6474         TODO_dump_func.
6475         (set_nothrow_function_flags): Mention in the dump file when
6476         changing a function to nothrow.
6477
6478 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
6479
6480         PR/39066
6481         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
6482         instead of unsigned long.
6483
6484 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6485
6486         * config/arm/arm.c (return_used_this_function): Remove.
6487         (arm_output_function_prologue): Remove use of
6488         return_used_this_function.
6489         (output_return_instruction): Replace use of
6490         return_used_this_function
6491         by cfun->machine->return_used_this_function.
6492         (arm_output_epilogue): Likewise.
6493         (arm_output_function_epilogue): Likewise.
6494         (thumb_unexpanded_epilogue): Likewise.
6495         * config/arm/arm.h (struct machine_function):
6496         New member return_used_this_function.
6497
6498 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
6499
6500         * doc/install.texi: Correct description of default directory for
6501         --with-gxx-include-dir.
6502
6503 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6504
6505         * fold-const.c (build_range_check): Properly deal with enumeral and
6506         boolean base types.
6507
6508 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
6509
6510         * doc/invoke.texi (max_gcse_passes): Remove documentation.
6511         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
6512         * params.h (MAX_GCSE_PASSES): Remove.
6513         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
6514         in sequence.  Remove ability to run multiple passes.
6515         (bypass_jumps): Report run as third CPROP pass.
6516
6517 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
6518
6519         PR middle-end/39651
6520         * except.c (can_throw_external): Look at each insn in a SEQUENCE
6521         when deciding whether the whole SEQUENCE can throw.
6522
6523 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6524
6525         PR target/39740
6526         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6527         offseted label references.
6528
6529 2009-04-11  Jan Hubicka  <jh@suse.cz>
6530
6531         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6532
6533 2009-04-11  Richard Guenther  <rguenther@suse.de>
6534
6535         PR middle-end/39732
6536         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6537         return variables as TREE_ADDRESSABLE.
6538
6539 2009-04-11  Richard Guenther  <rguenther@suse.de>
6540
6541         PR tree-optimization/39713
6542         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6543         reference trees have SSA_NAME operands.
6544
6545 2009-04-11  Richard Guenther  <rguenther@suse.de>
6546
6547         PR c/39712
6548         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6549         address expressions.
6550
6551 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6552
6553         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6554         match changes in Cygwin 1.7
6555         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6556         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6557
6558 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6559
6560         PR tree-optimization/39701
6561         * doc/invoke.texi (Optimization Options): Document change in
6562         meaning and initialization of -fdelete-null-pointer-checks.
6563
6564 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6565
6566         PR middle-end/39701
6567         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6568
6569         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6570         here.
6571
6572         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6573
6574 2009-04-10  Chao-ying Fu  <fu@mips.com>
6575
6576         * doc/tm.texi (Instruction Output): Document
6577         TARGET_ASM_FINAL_POSTSCAN_INSN.
6578         * target.h (final_postscan_insn): New field in asm_out.
6579         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6580         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6581         * final.c (final_scan_insn): Call
6582         targetm.asm_out.final_postscan_insn after outputting
6583         an asm macro and a normal instruction.
6584
6585         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6586         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6587         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6588         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6589         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6590
6591 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6592
6593         PR middle-end/39701
6594         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6595         variables as non-NULL even with -fdelete-null-pointer-checks.
6596
6597 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6598
6599         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6600
6601 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6602
6603         PR target/39678
6604         * config/i386/i386.c (classify_argument): Handle SCmode with
6605         (bit_offset % 64) != 0.
6606
6607 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6608
6609         * doc/invoke.texi (Optimize Options): Add cross-reference to
6610         -Q --help=optimizers examples.
6611
6612 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6613
6614         PR target/36800
6615         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6616         regalign for the reg == fpr and TDmode case.
6617
6618 2009-04-09  David Ayers  <ayers@fsfe.org>
6619
6620         PR objc/29200
6621         * objc/objc-act.c (warn_with_method): Remove helper function.
6622         (check_duplicates): Call warning and inform directly.
6623         (really_start_method): Likewise.
6624
6625 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6626
6627         * expmed.c (expand_divmod): Always use a comparison for a division
6628         by a large unsigned integer.
6629
6630         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6631         for things others than variables or functions as nonzero.
6632
6633 2009-04-09  Nick Clifton  <nickc@redhat.com>
6634
6635         * unwind-compat.c: Change copyright header to refer to version
6636         3 of the GNU General Public License with version 3.1 of the
6637         GCC Runtime Library Exception and to point readers at the
6638         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6639         * config/alpha/crtfastmath.c: Likewise.
6640         * config/alpha/linux-unwind.h: Likewise.
6641         * config/alpha/qrnnd.asm: Likewise.
6642         * config/alpha/vms-crt0-64.c: Likewise.
6643         * config/alpha/vms-crt0.c: Likewise.
6644         * config/alpha/vms-dwarf2.asm: Likewise.
6645         * config/alpha/vms-dwarf2eh.asm: Likewise.
6646         * config/alpha/vms-psxcrt0-64.c: Likewise.
6647         * config/alpha/vms-psxcrt0.c: Likewise.
6648         * config/alpha/vms_tramp.asm: Likewise.
6649         * config/arc/initfini.c: Likewise.
6650         * config/arc/lib1funcs.asm: Likewise.
6651         * config/arm/bpabi-v6m.S: Likewise.
6652         * config/arm/bpabi.S: Likewise.
6653         * config/arm/bpabi.c: Likewise.
6654         * config/arm/crti.asm: Likewise.
6655         * config/arm/crtn.asm: Likewise.
6656         * config/arm/ieee754-df.S: Likewise.
6657         * config/arm/ieee754-sf.S: Likewise.
6658         * config/arm/lib1funcs.asm: Likewise.
6659         * config/arm/libunwind.S: Likewise.
6660         * config/arm/linux-atomic.c: Likewise.
6661         * config/arm/mmintrin.h: Likewise.
6662         * config/arm/pr-support.c: Likewise.
6663         * config/arm/unaligned-funcs.c: Likewise.
6664         * config/arm/unwind-arm.c: Likewise.
6665         * config/arm/unwind-arm.h: Likewise.
6666         * config/avr/libgcc.S: Likewise.
6667         * config/bfin/crti.s: Likewise.
6668         * config/bfin/crtlibid.s: Likewise.
6669         * config/bfin/crtn.s: Likewise.
6670         * config/bfin/lib1funcs.asm: Likewise.
6671         * config/bfin/linux-unwind.h: Likewise.
6672         * config/cris/arit.c: Likewise.
6673         * config/cris/cris_abi_symbol.c: Likewise.
6674         * config/darwin-64.c: Likewise.
6675         * config/darwin-crt2.c: Likewise.
6676         * config/darwin-crt3.c: Likewise.
6677         * config/darwin.h: Likewise.
6678         * config/dbxelf.h: Likewise.
6679         * config/dfp-bit.c: Likewise.
6680         * config/dfp-bit.h: Likewise.
6681         * config/elfos.h: Likewise.
6682         * config/fixed-bit.c: Likewise.
6683         * config/fixed-bit.h: Likewise.
6684         * config/fp-bit.c: Likewise.
6685         * config/fp-bit.h: Likewise.
6686         * config/fr30/crti.asm: Likewise.
6687         * config/fr30/crtn.asm: Likewise.
6688         * config/fr30/lib1funcs.asm: Likewise.
6689         * config/freebsd-spec.h: Likewise.
6690         * config/frv/cmovd.c: Likewise.
6691         * config/frv/cmovh.c: Likewise.
6692         * config/frv/cmovw.c: Likewise.
6693         * config/frv/frvbegin.c: Likewise.
6694         * config/frv/frvend.c: Likewise.
6695         * config/frv/lib1funcs.asm: Likewise.
6696         * config/glibc-stdint.h: Likewise.
6697         * config/h8300/clzhi2.c: Likewise.
6698         * config/h8300/crti.asm: Likewise.
6699         * config/h8300/crtn.asm: Likewise.
6700         * config/h8300/ctzhi2.c: Likewise.
6701         * config/h8300/fixunssfsi.c: Likewise.
6702         * config/h8300/lib1funcs.asm: Likewise.
6703         * config/h8300/parityhi2.c: Likewise.
6704         * config/h8300/popcounthi2.c: Likewise.
6705         * config/i386/ammintrin.h: Likewise.
6706         * config/i386/att.h: Likewise.
6707         * config/i386/avxintrin.h: Likewise.
6708         * config/i386/biarch64.h: Likewise.
6709         * config/i386/bmmintrin.h: Likewise.
6710         * config/i386/cpuid.h: Likewise.
6711         * config/i386/cross-stdarg.h: Likewise.
6712         * config/i386/crtfastmath.c: Likewise.
6713         * config/i386/crtprec.c: Likewise.
6714         * config/i386/cygming-crtbegin.c: Likewise.
6715         * config/i386/cygming-crtend.c: Likewise.
6716         * config/i386/cygwin.asm: Likewise.
6717         * config/i386/emmintrin.h: Likewise.
6718         * config/i386/gmm_malloc.h: Likewise.
6719         * config/i386/gthr-win32.c: Likewise.
6720         * config/i386/i386.h: Likewise.
6721         * config/i386/immintrin.h: Likewise.
6722         * config/i386/linux-unwind.h: Likewise.
6723         * config/i386/linux64.h: Likewise.
6724         * config/i386/mm3dnow.h: Likewise.
6725         * config/i386/mmintrin-common.h: Likewise.
6726         * config/i386/mmintrin.h: Likewise.
6727         * config/i386/nmmintrin.h: Likewise.
6728         * config/i386/pmm_malloc.h: Likewise.
6729         * config/i386/pmmintrin.h: Likewise.
6730         * config/i386/smmintrin.h: Likewise.
6731         * config/i386/sol2-c1.asm: Likewise.
6732         * config/i386/sol2-ci.asm: Likewise.
6733         * config/i386/sol2-cn.asm: Likewise.
6734         * config/i386/sol2-gc1.asm: Likewise.
6735         * config/i386/tmmintrin.h: Likewise.
6736         * config/i386/unix.h: Likewise.
6737         * config/i386/w32-unwind.h: Likewise.
6738         * config/i386/wmmintrin.h: Likewise.
6739         * config/i386/x86-64.h: Likewise.
6740         * config/i386/x86intrin.h: Likewise.
6741         * config/i386/xmmintrin.h: Likewise.
6742         * config/ia64/crtbegin.asm: Likewise.
6743         * config/ia64/crtend.asm: Likewise.
6744         * config/ia64/crtfastmath.c: Likewise.
6745         * config/ia64/crti.asm: Likewise.
6746         * config/ia64/crtn.asm: Likewise.
6747         * config/ia64/fde-glibc.c: Likewise.
6748         * config/ia64/lib1funcs.asm: Likewise.
6749         * config/ia64/linux-unwind.h: Likewise.
6750         * config/ia64/quadlib.c: Likewise.
6751         * config/ia64/unwind-ia64.c: Likewise.
6752         * config/linux.h: Likewise.
6753         * config/m32c/m32c-lib1.S: Likewise.
6754         * config/m32c/m32c-lib2-trapv.c: Likewise.
6755         * config/m32c/m32c-lib2.c: Likewise.
6756         * config/m32r/initfini.c: Likewise.
6757         * config/m68hc11/larith.asm: Likewise.
6758         * config/m68hc11/m68hc11-crt0.S: Likewise.
6759         * config/m68k/cf.md: Likewise.
6760         * config/m68k/crti.s: Likewise.
6761         * config/m68k/crtn.s: Likewise.
6762         * config/m68k/lb1sf68.asm: Likewise.
6763         * config/m68k/linux-unwind.h: Likewise.
6764         * config/mcore/crti.asm: Likewise.
6765         * config/mcore/crtn.asm: Likewise.
6766         * config/mcore/lib1.asm: Likewise.
6767         * config/mips/linux-unwind.h: Likewise.
6768         * config/mips/loongson.h: Likewise.
6769         * config/mips/mips16.S: Likewise.
6770         * config/mmix/crti.asm: Likewise.
6771         * config/mmix/crtn.asm: Likewise.
6772         * config/pa/fptr.c: Likewise.
6773         * config/pa/hpux-unwind.h: Likewise.
6774         * config/pa/lib2funcs.asm: Likewise.
6775         * config/pa/linux-atomic.c: Likewise.
6776         * config/pa/linux-unwind.h: Likewise.
6777         * config/pa/milli64.S: Likewise.
6778         * config/pa/quadlib.c: Likewise.
6779         * config/pa/stublib.c: Likewise.
6780         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6781         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6782         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6783         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6784         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6785         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6786         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6787         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6788         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6789         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6790         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6791         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6792         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6793         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6794         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6795         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6796         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6797         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6798         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6799         * config/rs6000/750cl.h: Likewise.
6800         * config/rs6000/altivec.h: Likewise.
6801         * config/rs6000/biarch64.h: Likewise.
6802         * config/rs6000/crtresfpr.asm: Likewise.
6803         * config/rs6000/crtresgpr.asm: Likewise.
6804         * config/rs6000/crtresxfpr.asm: Likewise.
6805         * config/rs6000/crtresxgpr.asm: Likewise.
6806         * config/rs6000/crtsavfpr.asm: Likewise.
6807         * config/rs6000/crtsavgpr.asm: Likewise.
6808         * config/rs6000/darwin-asm.h: Likewise.
6809         * config/rs6000/darwin-fallback.c: Likewise.
6810         * config/rs6000/darwin-fpsave.asm: Likewise.
6811         * config/rs6000/darwin-ldouble.c: Likewise.
6812         * config/rs6000/darwin-tramp.asm: Likewise.
6813         * config/rs6000/darwin-unwind.h: Likewise.
6814         * config/rs6000/darwin-vecsave.asm: Likewise.
6815         * config/rs6000/darwin-world.asm: Likewise.
6816         * config/rs6000/e500crtres32gpr.asm: Likewise.
6817         * config/rs6000/e500crtres64gpr.asm: Likewise.
6818         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6819         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6820         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6821         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6822         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6823         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6824         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6825         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6826         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6827         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6828         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6829         * config/rs6000/eabi-ci.asm: Likewise.
6830         * config/rs6000/eabi-cn.asm: Likewise.
6831         * config/rs6000/eabi.asm: Likewise.
6832         * config/rs6000/linux-unwind.h: Likewise.
6833         * config/rs6000/linux64.h: Likewise.
6834         * config/rs6000/paired.h: Likewise.
6835         * config/rs6000/paired.md: Likewise.
6836         * config/rs6000/ppc64-fp.c: Likewise.
6837         * config/rs6000/ppu_intrinsics.h: Likewise.
6838         * config/rs6000/rs6000.h: Likewise.
6839         * config/rs6000/si2vmx.h: Likewise.
6840         * config/rs6000/sol-ci.asm: Likewise.
6841         * config/rs6000/sol-cn.asm: Likewise.
6842         * config/rs6000/spe.h: Likewise.
6843         * config/rs6000/spu2vmx.h: Likewise.
6844         * config/rs6000/sysv4.h: Likewise.
6845         * config/rs6000/tramp.asm: Likewise.
6846         * config/rs6000/vec_types.h: Likewise.
6847         * config/s390/linux-unwind.h: Likewise.
6848         * config/s390/tpf-unwind.h: Likewise.
6849         * config/score/crti.asm: Likewise.
6850         * config/score/crtn.asm: Likewise.
6851         * config/sh/crt1.asm: Likewise.
6852         * config/sh/crti.asm: Likewise.
6853         * config/sh/crtn.asm: Likewise.
6854         * config/sh/divtab-sh4-300.c: Likewise.
6855         * config/sh/divtab-sh4.c: Likewise.
6856         * config/sh/divtab.c: Likewise.
6857         * config/sh/lib1funcs-4-300.asm: Likewise.
6858         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6859         * config/sh/lib1funcs.asm: Likewise.
6860         * config/sh/lib1funcs.h: Likewise.
6861         * config/sh/linux-atomic.asm: Likewise.
6862         * config/sh/linux-unwind.h: Likewise.
6863         * config/sh/shmedia.h: Likewise.
6864         * config/sh/sshmedia.h: Likewise.
6865         * config/sh/ushmedia.h: Likewise.
6866         * config/sparc/crtfastmath.c: Likewise.
6867         * config/sparc/linux-unwind.h: Likewise.
6868         * config/sparc/sol2-c1.asm: Likewise.
6869         * config/sparc/sol2-ci.asm: Likewise.
6870         * config/sparc/sol2-cn.asm: Likewise.
6871         * config/spu/divmodti4.c: Likewise.
6872         * config/spu/divv2df3.c: Likewise.
6873         * config/spu/float_disf.c: Likewise.
6874         * config/spu/float_unsdidf.c: Likewise.
6875         * config/spu/float_unsdisf.c: Likewise.
6876         * config/spu/float_unssidf.c: Likewise.
6877         * config/spu/mfc_multi_tag_release.c: Likewise.
6878         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6879         * config/spu/mfc_tag_release.c: Likewise.
6880         * config/spu/mfc_tag_reserve.c: Likewise.
6881         * config/spu/mfc_tag_table.c: Likewise.
6882         * config/spu/multi3.c: Likewise.
6883         * config/spu/spu_internals.h: Likewise.
6884         * config/spu/spu_intrinsics.h: Likewise.
6885         * config/spu/spu_mfcio.h: Likewise.
6886         * config/spu/vec_types.h: Likewise.
6887         * config/spu/vmx2spu.h: Likewise.
6888         * config/stormy16/stormy16-lib2.c: Likewise.
6889         * config/svr4.h: Likewise.
6890         * config/sync.c: Likewise.
6891         * config/v850/lib1funcs.asm: Likewise.
6892         * config/vxlib-tls.c: Likewise.
6893         * config/vxlib.c: Likewise.
6894         * config/vxworks-dummy.h: Likewise.
6895         * config/xtensa/crti.asm: Likewise.
6896         * config/xtensa/crtn.asm: Likewise.
6897         * config/xtensa/ieee754-df.S: Likewise.
6898         * config/xtensa/ieee754-sf.S: Likewise.
6899         * config/xtensa/lib1funcs.asm: Likewise.
6900         * config/xtensa/lib2funcs.S: Likewise.
6901         * config/xtensa/linux-unwind.h: Likewise.
6902         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6903         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6904         * coretypes.h: Likewise.
6905         * crtstuff.c: Likewise.
6906         * defaults.h: Likewise.
6907         * dwarf2.h: Likewise.
6908         * emutls.c: Likewise.
6909         * gbl-ctors.h: Likewise.
6910         * gcov-io.h: Likewise.
6911         * ginclude/float.h: Likewise.
6912         * ginclude/iso646.h: Likewise.
6913         * ginclude/stdarg.h: Likewise.
6914         * ginclude/stdbool.h: Likewise.
6915         * ginclude/stddef.h: Likewise.
6916         * ginclude/stdfix.h: Likewise.
6917         * ginclude/stdint-gcc.h: Likewise.
6918         * ginclude/tgmath.h: Likewise.
6919         * gthr-aix.h: Likewise.
6920         * gthr-dce.h: Likewise.
6921         * gthr-gnat.c: Likewise.
6922         * gthr-gnat.h: Likewise.
6923         * gthr-lynx.h: Likewise.
6924         * gthr-mipssde.h: Likewise.
6925         * gthr-nks.h: Likewise.
6926         * gthr-posix.c: Likewise.
6927         * gthr-posix.h: Likewise.
6928         * gthr-posix95.h: Likewise.
6929         * gthr-rtems.h: Likewise.
6930         * gthr-single.h: Likewise.
6931         * gthr-solaris.h: Likewise.
6932         * gthr-tpf.h: Likewise.
6933         * gthr-vxworks.h: Likewise.
6934         * gthr-win32.h: Likewise.
6935         * gthr.h: Likewise.
6936         * libgcc2.c: Likewise.
6937         * libgcc2.h: Likewise.
6938         * libgcov.c: Likewise.
6939         * tsystem.h: Likewise.
6940         * typeclass.h: Likewise.
6941         * unwind-c.c: Likewise.
6942         * unwind-compat.h: Likewise.
6943         * unwind-dw2-fde-compat.c: Likewise.
6944         * unwind-dw2-fde-darwin.c: Likewise.
6945         * unwind-dw2-fde-glibc.c: Likewise.
6946         * unwind-dw2-fde.c: Likewise.
6947         * unwind-dw2-fde.h: Likewise.
6948         * unwind-dw2.c: Likewise.
6949         * unwind-dw2.h: Likewise.
6950         * unwind-generic.h: Likewise.
6951         * unwind-pe.h: Likewise.
6952         * unwind-sjlj.c: Likewise.
6953         * unwind.inc: Likewise.
6954         * config/arm/neon-gen.ml: Change generated copyright header to
6955         refer to version 3 of the GNU General Public License with
6956         version 3.1 of the GCC Runtime Library Exception and to point
6957         readers at the COPYING3 and COPYING3.RUNTIME files and the
6958         FSF's license web page.
6959         * config/arm/arm_neon.h: Regenerate.
6960
6961 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6962
6963         * config/cris/cris.md: Change copyright header to refer to version
6964         3 of the GNU General Public License.
6965         * doc/install.texi2html: Change copyright header to refer to version
6966         3 of the GNU General Public License and to point readers at the
6967         COPYING3 file and the FSF's license web page.
6968         * config/vax/linux.h: Likewise.
6969
6970 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6971
6972         * config/i386/i386.md (cmpcc): New.
6973         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6974         (sync_compare_and_swap_cc*): Delete.
6975
6976         * config/s390/s390.c (s390_compare_emitted): Remove.
6977         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6978         s390_compare_emitted used to be handled.  Assert that modes match.
6979         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6980         refer to sync_compare_and_swap_ccsi.
6981         * config/s390/s390.h (s390_compare_emitted): Remove.
6982         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6983         instead of s390_compare_emitted.
6984         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6985         instead of s390_compare_emitted.
6986         * config/s390/s390.md (cmpcc): New.
6987         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6988         CC_REGNUM, do not pretend it's set.
6989         (sync_compare_and_swap_cc*): Delete.
6990         * config/s390/predicates.md (cc_reg_operand): New.
6991
6992         * expr.c (sync_compare_and_swap_cc): Delete.
6993         * optabs.h (sync_compare_and_swap_cc): Delete.
6994         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6995         is being used with can_compare_p.
6996         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6997         (find_cc_set): New.
6998         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6999         look for a MODE_CC set instead.  Use emit_store_flag.
7000         (expand_compare_and_swap_loop): Likewise, with some additional
7001         complication to avoid a force_reg when useless.  Use
7002         emit_cmp_and_jump_insns.
7003         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
7004         * doc/md.texi (sync_compare_and_swap_cc): Merge with
7005         sync_compare_and_swap documentation.
7006
7007 2009-04-09  Jan Hubicka  <jh@suse.cz>
7008
7009         * except.c (find_prev_try): Break out from ....
7010         (duplicate_eh_regions): ... here; properly update prev_try pointers
7011         when duplication part of tree.
7012         (dump_eh_tree): Improve dumping.
7013         (verify_eh_region): New.
7014         (verify_eh_tree): Use it.
7015
7016 2009-04-06  Richard Guenther  <rguenther@suse.de>
7017
7018         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
7019         &ARRAY addresses by adjusting their types and prepending
7020         a conversion.
7021         * tree-cfg.c (verify_gimple_assign_single): Verify that
7022         addresses are correct.
7023
7024 2009-04-09  Richard Guenther  <rguenther@suse.de>
7025
7026         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
7027         indices into an array reference if possible.
7028         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7029         Fold POINTER_PLUS_EXPR statements with invariant address.
7030
7031 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
7032
7033         PR target/39634
7034         * config.gcc (powerpc64-*-linux*): Always build biarch.
7035
7036 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
7037
7038         PR c/39613
7039         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
7040         it and pedwarn if this results in an INTEGER_CST.
7041
7042 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7043
7044         * doc/install.texi: Update minimum GMP version.  Remove obsolete
7045         text in MPFR section.
7046
7047 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
7048
7049         * dwarf2out.c (class_scope_p): New static inline.
7050         (class_or_namespace_scope_p): Use it.
7051         (gen_variable_die): Use DW_TAG_member tag for static data member
7052         declarations instead of DW_TAG_variable.
7053
7054         PR middle-end/39573
7055         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
7056         variables.
7057
7058 2009-04-08  Richard Guenther  <rguenther@suse.de>
7059
7060         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
7061         valueize random data.
7062
7063 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
7064
7065         * config.gcc (aix tm_file):  Add aix-stdint.h.
7066         (aix tm clause use_gcc_stdint):  Set to wrap.
7067         * config/rs6000/aix-stdint.h:  New file.
7068
7069 2009-04-08  Richard Guenther  <rguenther@suse.de>
7070
7071         PR middle-end/36291
7072         * tree-dfa.c (add_referenced_var): Do not recurse into
7073         global initializers.
7074         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
7075         exposed variables.
7076         (fold_const_aggregate_ref): Likewise.
7077
7078 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7079
7080         * recog.c (ordered_comparison_operator): New.
7081         * gensupport.c (std_preds): Add it.
7082         * doc/md.texi (Machine-Independent Predicates): Document it.
7083
7084 2009-04-08  Jan Hubicka  <jh@suse.cz>
7085
7086         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
7087         * function.h (rtl_eh): Remove exception_handler_label_map.
7088         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
7089         remove_exception_handler_label, for_each_eh_label_1): Remove.
7090         (rtl_remove_unreachable_regions): Remove.
7091         (convert_from_eh_region_ranges): Do not remove unreachable regions.
7092         (find_exception_handler_labels): Don't build the hashtable.
7093         (maybe_remove_eh_handler): Remove.
7094         (for_each_eh_label): Rewrite to walk the tree.
7095         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
7096         * except.h (maybe_remove_eh_handler): Remove.
7097         * passes.c (init_optimization_passes): Schedule second EH cleanup
7098         before out-of-ssa.
7099         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
7100         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
7101
7102 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
7103
7104         * genoutput.c (validate_optab_operands): New.
7105         (gen_insn, gen_expand): Call it.
7106
7107         * genflags.c (gen_insn): Detect misused iterators.
7108         (main): Pass line_no to gen_insn, exit with status 1 on error.
7109
7110         * genextract.c (line_no): Make global.
7111         (VEC_safe_set_locstr): Change assertion to error message.
7112         (main): Exit with status 1 on error.
7113
7114 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
7115
7116         PR c/39614
7117         PR c/39673
7118         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7119         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7120         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
7121         * c-convert.c (convert): Do not call fold on results of conversion
7122         functions when the result is a C_MAYBE_CONST_EXPR.
7123         * c-parser.c (c_parser_postfix_expression): Do not fold condition
7124         of __builtin_choose_expr.
7125         * c-typeck.c (remove_c_maybe_const_expr): New.
7126         (build_unary_op, build_conditional_expr, build_compound_expr,
7127         build_binary_op, c_objc_common_truthvalue_conversion): Call
7128         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
7129         integer operands.
7130
7131 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
7132
7133         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
7134         CODE to produce a new one. Add a prototype to use fold_convert_const
7135
7136 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
7137
7138         PR bootstrap/39660
7139         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
7140         mix declarations and code.
7141
7142 2009-04-08  Ben Elliston  <bje@au.ibm.com>
7143
7144         * gcc.c: Replace `CC' with `GCC' throughout.
7145
7146 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
7147
7148         * doc/invoke.texi: Document Atom support.
7149
7150 2009-04-07  Jason Merrill  <jason@redhat.com>
7151
7152         PR c++/25185
7153         * c-common.h, c-common.c: Add flag_pretty_templates.
7154         * c-opts.c (c_common_handle_option): Set it.
7155         * c.opt: Add -fno-pretty-templates.
7156         * doc/invoke.texi (C++ Dialect Options): Likewise.
7157
7158 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
7159
7160         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
7161         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
7162         (ia64_expand_builtin): Likewise.
7163
7164 2009-04-07  Martin Jambor  <mjambor@suse.cz>
7165
7166         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
7167         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
7168         ADDR_EXPRS are include too.
7169
7170 2009-04-07  Richard Guenther  <rguenther@suse.de>
7171
7172         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
7173         decls are only used if passes as parameters or if they are
7174         local statics and the call is not to a builtin.
7175         (call_may_clobber_ref_p_1): Likewise.
7176
7177 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7178
7179         * expr.c (do_store_flag): Remove last argument.  Simplify code
7180         to avoid duplication of tests already done by can_compare_p.
7181         (expand_expr_real_1): Adjust caller.
7182
7183 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7184
7185         * optabs.c (can_compare_p): Test the predicate of a
7186         cbranch and cstore pattern.
7187
7188 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7189
7190         * expr.c (convert_move): Use emit_store_flag instead of
7191         "emulating" it.
7192
7193 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7194
7195         * config/i386/i386.c (ix86_compare_emitted): Remove.
7196         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
7197         ix86_compare_op0 like ix86_compare_emitted used to be handled.
7198         * config/i386/i386.h (ix86_compare_emitted): Remove.
7199         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
7200         instead of ix86_compare_emitted.
7201         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
7202
7203 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
7204
7205         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
7206         Add t-sysroot-suffix to tmake_file.
7207         * config/print-sysroot-suffix.sh: New file.
7208         * config/t-sysroot-suffix: New file.
7209
7210 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7211
7212         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
7213         as the latter produces a warning when the target does not support
7214         infinity.
7215
7216 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7217
7218         * dfp.c: Replace type punning assignments with memcpy throughout.
7219         * Makefile.in (dfp.o-warn): Remove.
7220
7221 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
7222
7223         PR target/39634
7224         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
7225         Include soft-fp/t-softfp after rs6000/t-linux64.
7226
7227 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7228
7229         * stor-layout.c (set_sizetype): Use the full precision of their
7230         machine mode for bitsize types.
7231
7232 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
7233
7234         * config/i386/i386.md: Revert 2 accidental checkins.
7235
7236 2009-04-06  Joey Ye  <joey.ye@intel.com>
7237             Xuepeng Guo  <xuepeng.guo@intel.com>
7238             H.J. Lu  <hongjiu.lu@intel.com>
7239
7240         Atom pipeline model, tuning and insn selection.
7241         * config.gcc (atom): Add atom config options and target.
7242
7243         * config/i386/atom.md: New.
7244
7245         * config/i386/i386.c (atom_cost): New cost.
7246         (m_ATOM): New macro flag.
7247         (initial_ix86_tune_features): Set m_ATOM.
7248         (x86_accumulate_outgoing_args): Likewise.
7249         (x86_arch_always_fancy_math_387): Likewise.
7250         (processor_target): Add Atom cost.
7251         (cpu_names): Add Atom cpu name.
7252         (override_options): Set Atom ISA.
7253         (ix86_issue_rate): New case PROCESSOR_ATOM.
7254         (ix86_adjust_cost): Likewise.
7255
7256         * config/i386/i386.h (TARGET_ATOM): New target macro.
7257         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
7258         (TARGET_OPT_AGU): New target option.
7259         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
7260         (processor_type): Add PROCESSOR_ATOM.
7261
7262         * config/i386/i386.md (cpu): Add new value "atom".
7263         (use_carry, movu): New attr.
7264         (atom.md): Include atom.md.
7265         (adddi3_carry_rex64): Set attr "use_carry".
7266         (addqi3_carry): Likewise.
7267         (addhi3_carry): Likewise.
7268         (addsi3_carry): Likewise.
7269         (*addsi3_carry_zext): Likewise.
7270         (subdi3_carry_rex64): Likewise.
7271         (subqi3_carry): Likewise.
7272         (subhi3_carry): Likewise.
7273         (subsi3_carry): Likewise.
7274         (x86_movdicc_0_m1_rex64): Likewise.
7275         (*x86_movdicc_0_m1_se): Likewise.
7276         (x86_movsicc_0_m1): Likewise.
7277         (*x86_movsicc_0_m1_se): Likewise.
7278         (*adddi_1_rex64): Emit add insn as much as possible.
7279         (*addsi_1): Likewise.
7280         (return_internal): Set atom_unit.
7281         (return_internal_long): Likewise.
7282         (return_pop_internal): Likewise.
7283         (*rcpsf2_sse): Set atom_sse_attr attr.
7284         (*qrt<mode>2_sse): Likewise.
7285         (*prefetch_sse): Likewise.
7286
7287         * config/i386/i386-c.c (ix86_target_macros_internal): New case
7288         PROCESSOR_ATOM.
7289         (ix86_target_macros_internal): Likewise.
7290
7291         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
7292         (*prefetch_sse_rex): Likewise.
7293         (sse_rcpv4sf2): Likewise.
7294         (sse_vmrcpv4sf2): Likewise.
7295         (sse_sqrtv4sf2): Likewise.
7296         (<sse>_vmsqrt<mode>2): Likewise.
7297         (sse_ldmxcsr): Likewise.
7298         (sse_stmxcsr): Likewise.
7299         (*sse_sfence): Likewise.
7300         (sse2_clflush): Likewise.
7301         (*sse2_mfence): Likewise.
7302         (*sse2_lfence): Likewise.
7303         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
7304         (<sse>_movup<ssemodesuffixf2c>): Likewise.
7305         (avx_movdqu<avxmodesuffix>): Likewise.
7306         (avx_lddqu<avxmodesuffix>): Likewise.
7307         (sse2_movntv2di): Change attr "type" to "ssemov".
7308         (sse2_movntsi): Likewise.
7309         (rsqrtv8sf2): Change attr "type" to "sseadd".
7310         (sse3_addsubv2df3): Set attr "atom_unit".
7311         (sse3_h<plusminus_insn>v4sf3): Likewise.
7312         (*sse2_pmaddwd): Likewise.
7313         (*vec_extractv2di_1_rex64): Likewise.
7314         (*vec_extractv2di_1_avx): Likewise.
7315         (sse2_psadbw): Likewise.
7316         (ssse3_phaddwv8hi3): Likewise.
7317         (ssse3_phaddwv4hi3): Likewise.
7318         (ssse3_phadddv4si3): Likewise.
7319         (ssse3_phadddv2si3): Likewise.
7320         (ssse3_phaddswv8hi3): Likewise.
7321         (ssse3_phaddswv4hi3): Likewise.
7322         (ssse3_phsubwv8hi3): Likewise.
7323         (ssse3_phsubwv4hi3): Likewise.
7324         (ssse3_phsubdv4si3): Likewise.
7325         (ssse3_phsubdv2si3): Likewise.
7326         (ssse3_phsubswv8hi3): Likewise.
7327         (ssse3_phsubswv4hi3): Likewise.
7328         (ssse3_pmaddubsw128): Likewise.
7329         (sse3_pmaddubsw: Likewise.
7330         (ssse3_palignrti): Likewise.
7331         (ssse3_palignrdi): Likewise.
7332
7333 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
7334
7335         * doc/install.texi (Specific): Fix two cross-references to MinGW.
7336
7337 2009-04-06  Richard Guenther  <rguenther@suse.de>
7338
7339         PR tree-optimization/28868
7340         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
7341         of which PHI results we inserted.
7342         (insert_into_preds_of_block): Record inserted PHIs.
7343         (eliminate): Eliminate redundant PHI nodes.
7344         (init_pre): Init inserted_phi_names.
7345
7346 2009-04-06  Richard Guenther  <rguenther@suse.de>
7347
7348         PR tree-optimization/39643
7349         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
7350         IMAGPART_EXPRs of complex constants.
7351         (execute_fold_all_builtins): If we folded a call queue
7352         TODO_update_address_taken.
7353
7354 2009-04-06  Jan Hubicka  <jh@suse.cz>
7355
7356         PR middle-end/39659
7357         * except.c (remove_unreachable_regions): Propagate may_contain_throw
7358         flag.
7359
7360 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
7361
7362         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
7363         delay slot.
7364         (ic_invalidate_array): Likewise.
7365
7366 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
7367
7368         * calls.c (emit_library_call_value_1): Fix a problem with parameter
7369         alignment for library calls.
7370
7371 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
7372
7373         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
7374         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
7375         * config/i386/mingw-stdint.h:  New file.
7376
7377 2009-04-05  Richard Guenther  <rguenther@suse.de>
7378
7379         PR tree-optimization/39648
7380         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
7381         our &A vs. &A[0] IL deficiencies.
7382
7383 2009-04-04  Jan Hubicka  <jh@suse.cz>
7384
7385         * except.c (sjlj_find_directly_reachable_regions): Be ready for
7386         removed toplevel regions.
7387         (sjlj_mark_call_sites): Likewise.
7388
7389 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
7390
7391         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
7392         (cygwin tm clause use_gcc_stdint):  Set to wrap.
7393         * config/i386/cygwin-stdint.h:  New file.
7394
7395 2009-04-04  Richard Guenther  <rguenther@suse.de>
7396
7397         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
7398         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
7399         single-argument PHIs if we are in loop-closed SSA form.
7400         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7401         for the pre-condition.
7402         (slpeel_tree_peel_loop_to_edge): Likewise.
7403         (vect_build_loop_niters): Take an optional sequence to append stmts.
7404         (vect_generate_tmps_on_preheader): Likewise.
7405         (vect_do_peeling_for_loop_bound): Take extra guards for the
7406         pre-condition.
7407         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
7408         the cost model check.
7409         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7410         guards if we are going to peel.  Do not apply versioning in that case.
7411         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
7412         (vect_do_peeling_for_loop_bound): Likewise.
7413         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
7414         loop bound only record extra pre-conditions, do not apply loop
7415         versioning.
7416
7417 2009-04-04  Richard Guenther  <rguenther@suse.de>
7418
7419         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
7420         renaming code.
7421
7422 2009-04-04  Jan Hubicka  <jh@suse.cz>
7423
7424         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7425         last_basic_block for size of bb->index indexed array.
7426         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
7427         compute_out, link_btr_uses, build_btr_def_use_webs,
7428         build_btr_def_use_webs, migrate_btr_defs): Likewise.
7429
7430 2009-04-04  Jan Hubicka  <jh@suse.cz>
7431
7432         * except.c (remove_eh_handler_and_replace): Break out from ...
7433         (remove_eh_handler): ... here.
7434         (bring_to_root): New function.
7435         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7436         handled ones, bring others to root of tree.
7437
7438 2009-04-04  Jan Hubicka  <jh@suse.cz>
7439
7440         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
7441         (all_phis_safe_to_merge): New function.
7442         (update_info): New structure.
7443         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
7444         (cleanup_empty_eh): Update SSA if possible.
7445
7446 2009-04-04  Richard Guenther  <rguenther@suse.de>
7447
7448         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
7449         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
7450         (append_vuse): Likewise.
7451
7452 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
7453
7454         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
7455         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
7456         instead of REG_UNSAVED for DW_CFA_undefined.
7457         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
7458         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
7459         outermost frame.
7460
7461 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
7462
7463         PR target/39501
7464         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
7465         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
7466         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
7467
7468 2009-04-04  Richard Guenther  <rguenther@suse.de>
7469
7470         PR tree-optimization/8781
7471         PR tree-optimization/37892
7472         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
7473         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
7474         (valueize_refs): Call it for *& valueizations.
7475         (shared_reference_ops_from_ref): Rename to ...
7476         (valueize_shared_reference_ops_from_ref): ... this and valueize.
7477         (shared_reference_ops_from_call): Rename to ...
7478         (valueize_shared_reference_ops_from_call): ... this and valueize.
7479         (vn_reference_lookup): Update.
7480         (visit_reference_op_call): Likewise.
7481         * tree-ssa-pre.c (phi_translate_1): Fold *&.
7482         (eliminate): Value-replace the call address in call statements.
7483
7484 2009-04-04  Richard Guenther  <rguenther@suse.de>
7485
7486         PR tree-optimization/39636
7487         * tree-ssa-forwprop.c
7488         (forward_propagate_addr_into_variable_array_index): Check for
7489         GIMPLE_ASSIGN before accessing the rhs code.
7490
7491 2009-04-03  Jason Merrill  <jason@redhat.com>
7492
7493         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
7494
7495 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
7496
7497         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
7498         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
7499         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
7500         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
7501         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
7502         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
7503         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
7504         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
7505         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
7506         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
7507         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
7508         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
7509         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
7510         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
7511         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
7512         Use fr_reg_or_fp01_operand instead of fr_register_operand
7513
7514         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
7515         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
7516         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
7517
7518 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
7519
7520         PR rtl-optimization/39607
7521         PR rtl-optimization/39631
7522
7523         Revert:
7524
7525         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7526         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7527         instead of DF_LR_OUT.
7528         * ira-lives.c (process_bb_node_lives): Ditto.
7529         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7530         instead of DF_LR_{OUT,IN}.
7531         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7532         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7533
7534 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7535
7536         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7537         (execute_lower_omp): Always run but take the short way out if -fopenmp
7538         is not given.
7539         (gate_lower_omp): Remove, forcing the pass manager to always run the
7540         pass and always set PROP_gimple_lomp.
7541         (pass_lower_omp): Remove gate function.
7542         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7543         PROP_trees.  Instead, require it.
7544         * ipa-cp.c (pass_ipa_cp): Likewise.
7545         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7546         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7547         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7548         and PROP_gimple_leh.
7549
7550 2009-04-03  Richard Guenther  <rguenther@suse.de>
7551
7552         PR middle-end/13146
7553         PR tree-optimization/23940
7554         PR tree-optimization/33237
7555         PR middle-end/33974
7556         PR middle-end/34093
7557         PR tree-optimization/36201
7558         PR tree-optimization/36230
7559         PR tree-optimization/38049
7560         PR tree-optimization/38207
7561         PR tree-optimization/38230
7562         PR tree-optimization/38301
7563         PR tree-optimization/38585
7564         PR middle-end/38895
7565         PR tree-optimization/38985
7566         PR tree-optimization/39299
7567         * tree-ssa-structalias.h: Remove.
7568         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7569         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7570         (struct vuse_element_d): Remove.
7571         (struct vuse_vec_d): Likewise.
7572         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7573         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7574         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7575         VUSE_ELEMENT_VAR): Likewise.
7576         (struct voptype_d): Likewise.
7577         (NUM_VOP_FREE_BUCKETS): Likewise.
7578         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7579         (struct stmt_operands_d): Remove.
7580         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7581         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7582         VDEF_NUM, VDEF_VECT): Likewise.
7583         (copy_virtual_operands): Remove.
7584         (operand_build_cmp): Likewise.
7585         (create_ssa_artificial_load_stmt): Likewise.
7586         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7587         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7588         vuse_index and mayuse_index members.  Pack and move done and iter_type
7589         members to the front.
7590         (SSA_OP_VMAYUSE): Remove.
7591         (SSA_OP_VIRTUAL_USES): Adjust.
7592         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7593         (unlink_stmt_vdef): Declare.
7594         (add_to_addressable_set): Remove.
7595         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7596         (vrp_visit_stmt): Likewise.
7597         * doc/tree-ssa.texi (Alias analysis): Update.
7598         * doc/invoke.texi (max-aliased-vops): Remove docs.
7599         (avg-aliased-vops): Likewise.
7600         * tree-into-ssa.c (syms_to_rename): Remove.
7601         (need_to_update_vops_p): Likewise.
7602         (need_to_initialize_update_ssa_p): Rename to ...
7603         (update_ssa_initialized_fn): ... this.  Track function we are
7604         initialized for.
7605         (symbol_marked_for_renaming): Simplify.
7606         (add_new_name_mapping): Do not set need_to_update_vops_p.
7607         (dump_currdefs): Use SYMS_TO_RENAME.
7608         (rewrite_update_stmt): Always walk all uses/defs.
7609         (dump_update_ssa): Adjust.
7610         (init_update_ssa): Take function argument.  Track what we are
7611         initialized for.
7612         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7613         (create_new_def_for): Initialize for cfun, assert we are initialized
7614         for cfun.
7615         (mark_sym_for_renaming): Simplify.
7616         (mark_set_for_renaming): Do not initialize update-ssa.
7617         (need_ssa_update_p): Simplify.  Take function argument.
7618         (name_mappings_registered_p): Assert we ask for the correct function.
7619         (name_registered_for_update_p): Likewise.
7620         (ssa_names_to_replace): Likewise.
7621         (release_ssa_name_after_update_ssa): Likewise.
7622         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7623         (dump_decl_set): Do not print a newline.
7624         (debug_decl_set): Do it here.
7625         (dump_update_ssa): And here.
7626         * tree-ssa-loop-im.c (move_computations): Adjust.
7627         (movement_possibility): Likewise.
7628         (determine_max_movement): Likewise.
7629         (gather_mem_refs_stmt): Likewise.
7630         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7631         or NAME_MEMORY_TAG.
7632         * tree-complex.c (update_all_vops): Remove.
7633         (expand_complex_move): Adjust.
7634         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7635         Simplify test for memory referencing statement.  Exclude
7636         non-invariant ADDR_EXPRs.
7637         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7638         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7639         (rdg_flag_uses): Likewise.
7640         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7641         related code.
7642         (tree_optimize_tail_calls_1): Also split the
7643         edge from the entry block if we have degenerate PHI nodes in
7644         the first basic block.
7645         * tree.c (init_ttree): Remove memory-tag related code.
7646         (tree_code_size): Likewise.
7647         (tree_node_structure): Likewise.
7648         (build7_stat): Re-write to be build6_stat.
7649         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7650         (SSA_VAR_P): Adjust.
7651         (struct tree_memory_tag): Remove.
7652         (struct tree_memory_partition_tag): Likewise.
7653         (union tree_node): Adjust.
7654         (build7): Re-write to be build6.
7655         * tree-pass.h (pass_reset_cc_flags): Remove.
7656         (TODO_update_address_taken): New flag.
7657         (pass_simple_dse): Remove.
7658         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7659         * params.h (MAX_ALIASED_VOPS): Remove.
7660         (AVG_ALIASED_VOPS): Likewise.
7661         * omp-low.c (expand_omp_taskreg): Update SSA form.
7662         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7663         aliases the lhs in a copy stmt.
7664         * tree-ssa-dse.c (struct address_walk_data): Remove.
7665         (memory_ssa_name_same): Likewise.
7666         (memory_address_same): Likewise.
7667         (get_kill_of_stmt_lhs): Likewise.
7668         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7669         unused stores.  Look through PHI nodes into post-dominated regions.
7670         (dse_optimize_stmt): Simplify.  Properly remove stores.
7671         (tree_ssa_dse): Compute dominators.
7672         (execute_simple_dse): Remove.
7673         (pass_simple_dse): Likewise.
7674         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7675         gimple_loaded_syms and gimple_stored_syms computation.
7676         * toplev.c (dump_memory_report): Dump alias and pta stats.
7677         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7678         (vn_reference_eq): Likewise.
7679         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7680         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7681         valueize_vuses): Remove.
7682         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7683         (get_def_ref_stmt_vuse): ... this.
7684         (vn_reference_lookup_2): New function.
7685         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7686         walking equivalent vuses.  Simplify.
7687         (vn_reference_lookup): Likewise.
7688         (vn_reference_insert): Likewise.
7689         (vn_reference_insert_pieces): Likewise.
7690         (visit_reference_op_call): Simplify.
7691         (visit_reference_op_load): Likewise.
7692         (visit_reference_op_store): Likewise.
7693         (init_scc_vn): Remove shared_lookup_vuses initialization.
7694         (free_scc_vn): Remove shared_lookup_vuses freeing.
7695         (sort_vuses, sort_vuses_heap): Remove.
7696         (get_ref_from_reference_ops): Export.
7697         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7698         vector with single vuse pointer.
7699         (vn_reference_lookup_pieces, vn_reference_lookup,
7700         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7701         (shared_vuses_from_stmt): Remove.
7702         (get_ref_from_reference_ops): Declare.
7703         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7704         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7705         memory-tag related code.
7706         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7707         (likely_value): Add comment, skip static-chain of call statements.
7708         (surely_varying_stmt_p): Adjust.
7709         (gimplify_and_update_call_from_tree): Likewise.
7710         (execute_fold_all_builtins): Do not rebuild alias info.
7711         (gimplify_and_update_call_from_tree): Properly update VOPs.
7712         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7713         (copy_ref_info): Remove memory-tag related code.
7714         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7715         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7716         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7717         computation.
7718         * tree-ssa-dom.c (gimple_p): Remove typedef.
7719         (eliminate_redundant_computations): Adjust.
7720         (record_equivalences_from_stmt): Likewise.
7721         (avail_expr_hash): Likewise.
7722         (avail_expr_eq): Likewise.
7723         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7724         (stmt_makes_single_load): Likewise.
7725         (stmt_makes_single_store): Likewise.
7726         * tree-ssa-alias.c: Rewrite completely.
7727         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7728         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7729         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7730         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7731         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7732         Remove public functions.
7733         (pass_reset_cc_flags): Remove.
7734         (pass_build_alias): Move ...
7735         * tree-ssa-structalias.c (pass_build_alias): ... here.
7736         * tree-ssa-alias.c (may_be_aliased): Move ...
7737         * tree-flow-inline.h (may_be_aliased): ... here.
7738         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7739         count_uses_and_derefs): Move ...
7740         * gimple.c: ... here.
7741         * gimple.h (count_uses_and_derefs): Declare.
7742         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7743         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7744         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7745         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7746         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7747         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7748         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7749         New functions.
7750         * tree-dfa.c (refs_may_alias_p): Move ...
7751         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7752         * tree-ssa-alias.h: New file.
7753         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
7754         (statement_sink_location): Likewise.
7755         * opts.c (decode_options): Do not adjust max-aliased-vops or
7756         avg-aliased-vops values.
7757         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
7758         (TV_CALL_CLOBBER): Likewise.
7759         (TV_FLOW_SENSITIVE): Likewise.
7760         (TV_FLOW_INSENSITIVE): Likewise.
7761         (TV_MEMORY_PARTITIONING): Likewise.
7762         (TV_ALIAS_STMT_WALK): New timevar.
7763         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7764         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7765         (get_address_description): Remove memory-tag related code.
7766         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
7767         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
7768         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
7769         and immediate uses in statements.  Document.
7770         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
7771         (dump_symbols): Remove.
7772         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
7773         * alias.c (get_deref_alias_set): New function split out from ...
7774         (get_alias_set): ... here.
7775         * alias.h (get_deref_alias_set): Declare.
7776         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7777         type parameter.  Remove restrict pointer handling.  Create a
7778         ref-all pointer in case type-based alias sets do not conflict.
7779         (vect_analyze_data_refs): Remove SMT related code.
7780         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7781         (vectorizable_load): Likewise.
7782         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7783         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7784         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7785         Ignore vops and SMTs.
7786         (dr_analyze_alias): Likewise..
7787         (free_data_ref): Likewise.
7788         (create_data_ref): Likewise.
7789         (analyze_all_data_dependences): Likewise.
7790         (get_references_in_stmt): Adjust.
7791         * tree-flow-inline.h (gimple_aliases_computed_p,
7792         gimple_addressable_vars, gimple_call_clobbered_vars,
7793         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7794         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7795         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7796         gimple_mem_ref_stats): Remove.
7797         (gimple_vop): New function.
7798         (op_iter_next_use): Remove vuses and mayuses cases.
7799         (op_iter_next_def): Remove vdefs case.
7800         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7801         (clear_and_done_ssa_iter): Do not set removed fields.
7802         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7803         Assert we are not iterating over vuses or vdefs if not also
7804         iterating over uses or defs.
7805         (op_iter_init_use): Likewise.
7806         (op_iter_init_def): Likewise.
7807         (op_iter_next_vdef): Remove.
7808         (op_iter_next_mustdef): Likewise.
7809         (op_iter_init_vdef): Likewise.
7810         (compare_ssa_operands_equal): Likewise.
7811         (link_use_stmts_after): Handle vuse operand.
7812         (is_call_used): Use is_call_clobbered.
7813         (is_call_clobbered): Global variables are always call clobbered,
7814         query the call-clobbers bitmap.
7815         (mark_call_clobbered): Ignore global variables.
7816         (clear_call_clobbered): Likewise.
7817         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7818         virtual operands sanity check.
7819         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7820         Remove.
7821         (TARGET_MEM_REF): Remove TMR_TAG operand.
7822         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7823         Remove call-clobber related code.
7824         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7825         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7826         partitions or escape reason.
7827         (get_single_def_stmt, get_single_def_stmt_from_phi,
7828         get_single_def_stmt_with_phi): Remove.
7829         (dump_referenced_vars): Tidy.
7830         (get_ref_base_and_extent): Allow bare decls.
7831         (collect_dfa_stats): Adjust.
7832         * graphite.c (rename_variables_in_stmt): Adjust.
7833         (graphite_copy_stmts_from_block): Likewise.
7834         (translate_clast): Likewise.
7835         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7836         (EXPR_DIES): New.
7837         (translate_vuse_through_block): Use the oracle.
7838         (phi_translate_1): Adjust.
7839         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7840         in EXPR_DIES.
7841         (valid_in_sets): Check if the VUSE for
7842         a REFERENCE is available.
7843         (eliminate): Do not remove stmts during elimination,
7844         instead queue and remove them afterwards.
7845         (do_pre): Do not rebuild alias info.
7846         (pass_pre): Run TODO_rebuild_alias before PRE.
7847         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7848         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7849         (mark_all_v_defs_stmt): Remove.
7850         (mark_all_v_defs_seq): Adjust.
7851         (sra_replace): Likewise.
7852         (scalarize_use): Likewise.
7853         (scalarize_copy): Likewise.
7854         (scalarize_init): Likewise.
7855         (scalarize_ldst): Likewise.
7856         (todoflags): Remove.
7857         (tree_sra): Do not rebuild alias info.
7858         (tree_sra_early): Adjust.
7859         (pass_sra): Run TODO_update_address_taken before SRA.
7860         * tree-predcom.c (set_alias_info): Remove.
7861         (prepare_initializers_chain): Do not call it.
7862         (mark_virtual_ops_for_renaming): Adjust.
7863         (mark_virtual_ops_for_renaming_list): Remove.
7864         (initialize_root_vars): Adjust.
7865         (initialize_root_vars_lm): Likewise.
7866         (prepare_initializers_chain): Likewise.
7867         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7868         (may_propagate_copy_into_stmt): Likewise.
7869         (merge_alias_info): Do nothing for now.
7870         (propagate_tree_value_into_stmt): Adjust.
7871         (stmt_may_generate_copy): Likewise.
7872         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7873         not mark symbols for renaming.
7874         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7875         with the same statement, make sure to update the new pointed-to one.
7876         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7877         call statements, do not mark symbols for renaming.
7878         (mark_operand_necessary): Dump something.
7879         (ref_may_be_aliased): New function.
7880         (mark_aliased_reaching_defs_necessary_1): New helper function.
7881         (mark_aliased_reaching_defs_necessary): Likewise.
7882         (mark_all_reaching_defs_necessary_1): Likewise.
7883         (mark_all_reaching_defs_necessary): Likewise.
7884         (propagate_necessity): Do not process virtual PHIs.  For
7885         non-aliased loads mark all reaching definitions as necessary.
7886         For aliased loads and stores mark the immediate dominating
7887         aliased clobbers as necessary.
7888         (visited): New global static.
7889         (perform_tree_ssa_dce): Free visited bitmap after propagating
7890         necessity.
7891         (remove_dead_phis): Perform simple dead virtual PHI removal.
7892         (remove_dead_stmt): Properly unlink virtual operands when
7893         removing stores.
7894         (eliminate_unnecessary_stmts): Schedule PHI removal after
7895         stmt removal.
7896         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7897         (process_replaceable): Likewise.
7898         (find_replaceable_in_bb): Likewise.
7899         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7900         based on the single gimple vop.
7901         (verify_flow_insensitive_alias_info): Remove.
7902         (verify_flow_sensitive_alias_info): Likewise.
7903         (verify_call_clobbering): Likewise.
7904         (verify_memory_partitions): Likewise.
7905         (verify_alias_info): Likewise.
7906         (verify_ssa): Adjust..
7907         (execute_update_addresses_taken): Export.  Update SSA
7908         manually.  Optimize only when optimizing.  Use a local bitmap.
7909         (pass_update_address_taken): Remove TODO_update_ssa, add
7910         TODO_dump_func.
7911         (pass_update_address_taken): Just use TODO_update_address_taken.
7912         (init_tree_ssa): Do not initialize addressable_vars.
7913         (verify_ssa): Verify new VUSE / VDEF properties.
7914         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7915         Do not call verify_alias_info.
7916         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7917         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7918         and callused solutions.  Do not free addressable_vars.
7919         Remove memory-tag related code.
7920         (warn_uninitialized_var): Aliases are always available.
7921         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7922         * lambda-code.c (can_put_in_inner_loop): Adjust.
7923         (can_put_after_inner_loop): Likewise.
7924         (perfect_nestify): Likewise.
7925         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7926         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7927         (vectorizable_conversion): Do not mark symbols for renaming.
7928         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7929         (expand_call_inline): Unlink the calls virtual operands before
7930         replacing it.
7931         (tree_function_versioning): Do not call update_ssa if we are not
7932         updating clones.  Simplify.
7933         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7934         (propagate_with_phi): Likewise..
7935         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7936         clobber code.  Assert we are not aliased or global.
7937         * tree-flow.h: Include tree-ssa-alias.h
7938         (enum escape_type): Remove.
7939         (struct mem_sym_stats_d): Likewise.
7940         (struct mem_ref_stats_d): Likewise.
7941         (struct gimple_df): Add vop member.  Remove global_var,
7942         call_clobbered_vars, call_used_vars, addressable_vars,
7943         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7944         escaped and callused members.
7945         (struct ptr_info_def): Remove all members, add points-to solution
7946         member pt.
7947         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7948         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7949         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7950         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7951         (tree-ssa-alias.o): Likewise.
7952         (toplev.o): Add tree-ssa-alias.h
7953         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7954         * gimple.c (gimple_set_bb): Fix off-by-one error.
7955         (is_gimple_reg): Do not handle memory tags.
7956         (gimple_copy): Also copy virtual operands.
7957         Delay updating the statement.  Do not reset loaded and stored syms.
7958         (gimple_set_stored_syms): Remove.
7959         (gimple_set_loaded_syms): Likewise.
7960         (gimple_call_copy_skip_args): Copy the virtual operands
7961         and mark the new statement modified.
7962         * tree-ssa-structalias.c (may_alias_p): Remove.
7963         (set_uids_in_ptset): Take the alias set to prune with as
7964         parameter.  Fold in the alias test of may_alias_p.
7965         (compute_points_to_sets): Compute whether a ptr is dereferenced
7966         in a local sbitmap.
7967         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7968         other ADDRESSOF constraints on the lhs.
7969         (get_constraint_for_component_ref): Assert that we don't get
7970         ADDRESSOF constraints from the base of the reference.
7971         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7972         (struct variable_info): Remove collapsed_to member.
7973         (get_varinfo_fc): Remove.
7974         (new_var_info): Do not set collapsed_to.
7975         (dump_constraint): Do not follow cycles.
7976         (dump_constraint_graph): Likewise.
7977         (build_pred_graph): Likewise.
7978         (build_succ_graph): Likewise.
7979         (rewrite_constraints): Likewise.
7980         (do_simple_structure_copy): Remove.
7981         (do_rhs_deref_structure_copy): Remove.
7982         (do_lhs_deref_structure_copy): Remove.
7983         (collapse_rest_of_var): Remove.
7984         (do_structure_copy): Re-implement.
7985         (pta_stats): New global variable.
7986         (dump_pta_stats): New function.
7987         (struct constraint_expr): Make offset signed.
7988         (UNKNOWN_OFFSET): Define special value.
7989         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7990         (solution_set_expand): New helper function split out from ...
7991         (do_sd_constraint): ... here.
7992         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7993         (do_ds_constraint): Likewise.
7994         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7995         and CALLUSED = *CALLUSED.
7996         (set_union_with_increment): Make inc argument signed.
7997         (type_safe): Remove.
7998         (get_constraint_for_ptr_offset): Handle unknown and negative
7999         constant offsets.
8000         (first_vi_for_offset): Handle offsets before start.  Bail
8001         out early for offsets beyond the variable extent.
8002         (first_or_preceding_vi_for_offset): New function.
8003         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
8004         Together with ESCAPED = *ESCAPED this properly computes reachability.
8005         (find_what_var_points_to): New function.
8006         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
8007         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
8008         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
8009         pt_solutions_intersect): New functions.
8010         (compute_call_used_vars): Remove.
8011         (compute_may_aliases): New main entry into PTA computation.
8012         * gimple.h (gimple_p): New typedef.
8013         (struct gimple_statement_base): Remove references_memory_p.
8014         (struct gimple_statement_with_memory_ops_base): Remove
8015         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
8016         members.
8017         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
8018         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
8019         gimple_set_references_memory): Remove.
8020         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
8021         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
8022         New functions.
8023         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
8024         (verify_expr): Allow RESULT_DECL.
8025         (gimple_duplicate_bb): Do not copy virtual operands.
8026         (gimple_duplicate_sese_region): Adjust.
8027         (gimple_duplicate_sese_tail): Likewise.
8028         (mark_virtual_ops_in_region): Remove.
8029         (move_sese_region_to_fn): Do not call it.
8030         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
8031         and pass_simple_dse.
8032         (execute_function_todo): Handle TODO_update_address_taken,
8033         call execute_update_addresses_taken for TODO_rebuild_alias.
8034         (execute_todo): Adjust.
8035         (execute_one_pass): Init dump files early.
8036         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
8037         call-clobbered.
8038         (create_general_new_stmt): Clear vops.
8039         * tree-ssa-reassoc.c (get_rank): Adjust.
8040         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
8041         symbols for renaming.
8042         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
8043         (PARAM_AVG_ALIASED_VOPS): Likewise.
8044         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
8045         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
8046         * tree-ssa-operands.c: Simplify for new virtual operand representation.
8047         (operand_build_cmp, copy_virtual_operands,
8048         create_ssa_artificial_load_stmt, add_to_addressable_set,
8049         gimple_add_to_addresses_taken): Remove public functions.
8050         (unlink_stmt_vdef): New function.
8051
8052 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8053
8054         * config.gcc (powerpc-*-linux*): Merge variants.
8055
8056 2009-04-02  Chao-ying Fu  <fu@mips.com>
8057             James Grosbach  <james.grosbach@microchip.com>
8058
8059         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
8060         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
8061         cop0_sp_offset.
8062         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
8063         keep_interrupts_masked_p, use_debug_exception_return_p.
8064         (mips_attribute_table): Add interrupt, use_shadow_register_set,
8065         keep_interrupts_masked, use_debug_exception_return.
8066         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
8067         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
8068         New functions.
8069         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
8070         (mips_print_operand): Process COP0 registers to print $0 .. $31
8071         correctly for GAS to process.
8072         (mips_interrupt_extra_call_saved_reg_p): New function.
8073         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
8074         extra registers.
8075         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
8076         (mips_compute_frame_info): Add supports for interrupt context that
8077         includes doubleword accumulators and COP0 registers.
8078         (mips_for_each_saved_acc): New function.
8079         (mips_for_each_saved_gpr_and_fpr): Change the function name from
8080         mips_for_each_saved_reg.
8081         (mips_save_reg): Save accumulators.
8082         (mips_kernel_reg_p): A new for_each_rtx callback.
8083         (mips_expand_prologue): Support interrupt handlers.
8084         (mips_restore_reg): Restore accumulators.
8085         (mips_expand_epilogue): Support interrupt handlers.
8086         (mips_can_use_return_insn): Return false for interrupt handlers.
8087         (mips_epilogue_uses): New function.
8088         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
8089         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
8090         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
8091         cop0_move): New instructions.
8092         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
8093         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
8094         defines.
8095         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
8096         New defines.
8097         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
8098         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
8099         interrupt handlers, we use K0 as the temporary register.
8100         (EPILOGUE_USES): Change to a function call.
8101         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
8102         handlers, we use K0 as the temporary register.
8103
8104         * doc/extend.texi (Function Attributes): Document interrupt,
8105         use_shadow_register_set, keep_interrupts_masked,
8106         use_debug_exception_return for MIPS attributes.
8107
8108 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
8109
8110         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
8111         Remove a number of t-files from tmake_file.
8112         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
8113         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
8114         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
8115         target_prototype, not TARGET_PROTOTYPE.
8116         (LINK_OS_GNU_SPEC): Define.
8117         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
8118         and darwin-ldoubdle.c.
8119
8120 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
8121
8122         PR driver/39293
8123         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
8124         (cpp_options): Ditto.
8125         (default_compilers): Ditto.
8126         (display_help): Ditto.
8127         (process_command): Ditto.
8128         (do_spec_1): Ditto.
8129         (set_input): Use lbasename instead of duplicate code.
8130         (save_temps_prefix): New static for -save-temps=obj.
8131         (save_temps_length): Ditto.
8132
8133         * doc/invoke.texi (-save-temps=obj): Document new variant to
8134         -save-temps switch.
8135
8136 2009-04-02  Jeff Law  <law@redhat.com>
8137
8138         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
8139         variable.
8140
8141 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8142
8143         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
8144         * configure: Regenerated.
8145
8146 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8147
8148         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
8149         share the argument list.
8150
8151 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8152
8153         Merge
8154
8155         2009-02-12  Diego Novillo  <dnovillo@google.com>
8156
8157         * varpool.c (debug_varpool): New.
8158         * cgraph.h (debug_varpool): Declare.
8159
8160 2009-04-02  Jan Hubicka  <jh@suse.cz>
8161
8162         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
8163         pass.
8164
8165 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8166
8167         * config/i386/i386.c (ix86_abi): Move initialization to ...
8168         (override_options): Here.
8169
8170 2009-04-02  Christian Bruel  <christian.bruel@st.com>
8171
8172         * config/sh/sh.c (sh_dwarf_register_span): New function.
8173         (TARGET_DWARF_REGISTER_SPAN): Define.
8174         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
8175
8176 2009-04-02  Ira Rosen  <irar@il.ibm.com>
8177
8178         PR tree-optimization/39595
8179         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
8180         interleaved loads group is not  greater than the SLP group size.
8181
8182 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8183
8184         * builtins.c (is_builtin_name): New.
8185         (called_as_built_in): Use is_builtin_name.
8186         * tree.h (is_builtin_name): New.
8187         * varasm.c (incorporeal_function_p): Use is_builtin_name
8188
8189 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
8190
8191         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
8192
8193 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
8194
8195         PR c++/26693
8196         * c-decl.c (clone_underlying_type): Move this ...
8197         * c-common.c (set_underlying_type): ... here.
8198         Also, make sure the function properly sets TYPE_STUB_DECL() on
8199         the newly created typedef variant type.
8200         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
8201         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
8202         points.
8203
8204 2009-04-02  Richard Guenther  <rguenther@suse.de>
8205
8206         PR tree-optimization/37221
8207         * tree-flow.h (degenerate_phi_result): Declare.
8208         * tree-ssa-dom.c (degenerate_phi_result): Export.
8209         * tree-scalar-evolution.c (analyze_initial_condition): If
8210         the initial condition is defined by a degenerate PHI node
8211         use the degenerate value.
8212
8213 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
8214
8215         PR rtl-optimization/39588
8216         * combine.c (merge_outer_ops): Do not set the constant when this
8217         is not necessary.
8218         (simplify_shift_const_1): Do not modify it either in this case.
8219
8220 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
8221
8222         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
8223         tuning is deprecated if -mtune value is set to an Itanium1 variant.
8224
8225 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
8226
8227         PR c/29027
8228         * c-lex.c (interpret_float): Default (no suffix) is double.
8229
8230 2009-04-1  Xinliang David Li  <davidxl@google.com>
8231
8232         * config/i386/i386.c (legitimate_constant_p): Recognize
8233         all one vector constant.
8234
8235 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8236
8237         * config/vax/vax.c: Add #includes to silence warnings.
8238         Change #include order to silence two warnings.
8239
8240 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8241
8242         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
8243         (ASM_SPEC): Pass -k to the assembler for PIC code.
8244
8245 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8246
8247         * config.gcc: Add vax-*-linux* to the switch.
8248         * config/vax/linux.h: New file. (TARGET_VERSION,
8249         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
8250
8251 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8252
8253         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
8254         Use predicate macros instead of GET_CODE() == foo.
8255         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
8256         ashlsi3, rotrsi3, <unnamed>): Likewise.
8257
8258 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8259
8260         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
8261         jbbccihi, jbbccisi): Remova trailing whitespace.
8262         * config/vax/constraints.md: Likewise.
8263         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8264         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
8265         * config/vax/predicates.md: Likewise.
8266         * config/vax/vax.c (print_operand_address, vax_output_int_move,
8267         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
8268         * config/vax/vax.h: Likewise.
8269         * config/vax/vax.md (nonlocal_goto): Likewise.
8270
8271 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8272
8273         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
8274         (indirectable_address_p, adjacent_operands_p): Add spaces around
8275         braces.
8276         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
8277
8278 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8279
8280         * config/vax/vax.c (legitimate_constant_address_p,
8281         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
8282         index_term_p, reg_plus_index_p, legitimate_address_p,
8283         vax_mode_dependent_address_p): Update comments to match functions
8284         modified by the recent int->bool conversion.
8285
8286 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8287
8288         * config/vax/builtins.md: Update copyright message.
8289         * config/vax/constraints.md: Likewise.
8290         * config/vax/netbsd-elf.h: Likewise.
8291         * config/vax/predicates.md: Likewise.
8292         * config/vax/vax-protos.h: Likewise.
8293         * config/vax/vax.c: Likewise.
8294         * config/vax/vax.h: Likewise.
8295         * config/vax/vax.md: Likewise.
8296         * config/vax/vax.opt: Likewise.
8297
8298 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8299
8300         * config/vax/builtins.md (ffssi2, ffssi2_internal,
8301         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
8302         * config/vax/constraints.md (B, R): Likewise.
8303         * config/vax/predicates.md (external_memory_operand,
8304         nonimmediate_addsub_di_operand): Likewise.
8305         * config/vax/vax.c (vax_output_int_add): Likewise.
8306         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
8307         untyped_call): Likewise.
8308
8309 2009-04-01  Matt Thomas  <matt@3am-software.com>
8310
8311         * config/vax/predicates.md: New file.
8312         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
8313         external_const_operand, nonsymbolic_operand, external_memory_operand,
8314         indirect_memory_operand, indexed_memory_operand,
8315         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
8316         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
8317         predicate.
8318         * config/vax/constraints.md: New file.
8319         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
8320         New constraint.
8321         * config/vax/builtins.md: New file.
8322         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
8323         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
8324         jbbccisi): Define.
8325         * config/vax/vax.opt (mqmath): Add option.
8326         * config/vax/vax.md (isfx): Extend with DI.
8327         (VAXintQH, VAXintQHSD): Define.
8328         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
8329         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
8330         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
8331         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
8332         (movdi): Update constraints and use vax_output_int_move().
8333         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
8334         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
8335         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
8336         nonlocal_goto): New.
8337         (mov<mode>): Extend accepted operand types.
8338         (subdi3_old): Rename from subdi3, change update constraints and use
8339         a new implementation.
8340         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
8341         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
8342         MOVE_RATIO, CLEAR_RATIO): Define.
8343         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
8344         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8345         (PRINT_OPERAND): Redefine using a function instead of inlined code.
8346         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
8347         (split_quadword_operands): Make static and really allow variable
8348         splitting.
8349         (print_operand_address): Update for PIC generation.
8350         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
8351         indexable_address_p, fixup_mathdi_operand,
8352         vax_expand_addsub_di_operands, adjacent_operands_p): New.
8353         (vax_float_literal, legitimate_constant_p,
8354         indirectable_constant_address_p, index_term_p,
8355         reg_plus_index_p): Return bool instead of int.
8356         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
8357         where needed.
8358         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
8359         generation.
8360         (vax_output_conditional_branch): Indent.
8361         (legitimate_constant_address_p, indirectable_constant_address_p,
8362         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
8363         vax_mode_dependent_address_p): Return bool instead of int, update for
8364         PIC generation.
8365         * config/vax/vax-protos.h (legitimate_constant_address_p,
8366         legitimate_constant_p, legitimate_address_p,
8367         vax_mode_dependent_address_p): Change declaration to bool.
8368         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
8369         vax_expand_addsub_di_operands, vax_output_int_subtract,
8370         vax_output_movmemsi): Declare.
8371         (split_quadword_operands, vax_float_literal): Delete declaration.
8372         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
8373         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
8374         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
8375         ASM_OUTPUT_DWARF_PCREL): Define.
8376         (ASM_SPEC): Change definition to allow PIC generation.
8377
8378 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
8379
8380         * doc/sourcebuild.texi: Update front-end requirements.
8381
8382 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8383
8384         PR target/39226
8385         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
8386         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
8387         (booldi3_internal3): Use boolean_or_operator instead of
8388         boolean_operator.
8389
8390 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
8391
8392         PR c/39605
8393         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
8394         declarator whose size is not an integer constant expression but
8395         folds to an integer constant, then treat it as a constant
8396         subsequently.
8397
8398 2009-04-01  Richard Guenther  <rguenther@suse.de>
8399
8400         * fold-const.c (fold_plusminus_mult_expr): Do not fold
8401         i * 4 + 2 to (i * 2 + 1) * 2.
8402
8403 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8404
8405         PR c/37772
8406         * c-parser.c (c_parser_asm_statement): Skip until close paren and
8407         return if c_parser_asm_string_literal returned NULL.
8408
8409 2009-04-01  Nick Clifton  <nickc@redhat.com>
8410
8411         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
8412         already defined.
8413         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
8414         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
8415         other typedefs to avoid conflicts with libgcc2.c.  Define labels
8416         to gain 16-bit bit-manipulation functions from libgcc2.c and then
8417         include it.
8418         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
8419         to gain 16-bit trapping arithmetic functions from libgcc2.c and
8420         then include it.
8421
8422 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
8423
8424         * varasm.c (default_function_rodata_section): Declare DOT as
8425         const char*.
8426
8427 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
8428             Andrey Galkin  <agalkin@hypercom.com>
8429
8430         PR/39492
8431         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
8432         Make object_name unique for each process.
8433
8434 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8435
8436         PR other/39591
8437         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
8438         addressable variables in the parallel that could go out of scope while
8439         running queued tasks.
8440
8441 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
8442
8443         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
8444         (CASE_VALUES_THRESHOLD): Redefine.
8445         * config/avr/avr.c (avr_override_options): Remove initialization of
8446         avr_case_values_threshold variable.
8447         (avr_case_values_threshold): Remove variable. Add new function.
8448         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
8449         * config/avr/avr.opt (mno-tablejump): Remove option.
8450         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
8451
8452 2009-04-01  DJ Delorie  <dj@redhat.com>
8453
8454         * varasm.c (default_function_rodata_section): Don't assume
8455         anything about where the first '.' in the section name is.
8456
8457 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
8458
8459         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
8460         rs6000_emit_stack_tie.
8461
8462 2009-03-31  Ian Lance Taylor  <iant@google.com>
8463
8464         * tree-eh.c (tree_remove_unreachable_handlers): Compare
8465         gimple_code with GIMPLE_RESX, not RESX.
8466
8467 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8468
8469         * c-common.c (c_get_ident): New.
8470         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
8471
8472 2009-04-01  Ben Elliston  <bje@au.ibm.com>
8473
8474         * config/rs6000/sysv4.opt (msdata): Improve option description.
8475
8476 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
8477
8478         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
8479         (divdf3_internal_lat): Remove.
8480         (divxf3_internal_lat): Remove.
8481         (divxf3_internal_thr): Remove.
8482         (divxf): Use divxf3_internal.
8483         * config/ia64/div.md (divsf3_internal_lat): New.
8484         (divdf3_internal_lat): New.
8485         (divxf3_internal): New.
8486
8487 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8488
8489         PR c/448
8490         * Makefile.in (USE_GCC_STDINT): Define.
8491         (stmp-int-hdrs): Install stdint.h if applicable.
8492         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8493         if known.
8494         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
8495         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
8496         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8497         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8498         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8499         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8500         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8501         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8502         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8503         (c_common_nodes_and_builtins): Initialize
8504         underlying_wchar_type_node.  Do not initialize
8505         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
8506         nodes for new types.
8507         (c_stddef_cpp_builtins): Define macros for new types.
8508         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
8509         Remove.
8510         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
8511         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
8512         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
8513         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
8514         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
8515         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
8516         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
8517         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
8518         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
8519         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
8520         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
8521         int16_type_node, int32_type_node, int64_type_node,
8522         uint8_type_node, uint16_type_node, c_uint32_type_node,
8523         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8524         int_least32_type_node, int_least64_type_node,
8525         uint_least8_type_node, uint_least16_type_node,
8526         uint_least32_type_node, uint_least64_type_node,
8527         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8528         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8529         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8530         uintptr_type_node): Define.
8531         * c-cppbuiltin.c (builtin_define_constants,
8532         builtin_define_type_minmax): New.
8533         (builtin_define_stdint_macros): Define more macros.
8534         (c_cpp_builtins): Define more limit macros.
8535         (type_suffix): New.
8536         (builtin_define_type_max): Define in terms of
8537         builtin_define_type_minmax.  Remove is_long parameter.  All
8538         callers changed.
8539         * config.gcc (use_gcc_stdint): Define.
8540         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8541         Add newlib-stdint.h for generic targets.
8542         * config/glibc-stdint.h, config/newlib-stdint.h,
8543         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8544         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8545         * config/score/score.h (UINTPTR_TYPE): Define.
8546         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8547         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8548         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8549         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8550         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8551         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8552         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8553         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8554         * config/spu/spu.h (STDINT_LONG32): Define.
8555         * configure.ac (use_gcc_stdint): Substitute.
8556         * configure: Regenerate.
8557         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8558         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8559         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8560         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8561         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8562         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8563         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8564         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8565         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8566         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8567         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8568         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8569         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8570         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8571         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8572         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8573         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8574         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8575         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8576         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8577         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8578         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8579         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8580         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8581         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8582         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8583         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8584         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8585         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8586
8587 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8588
8589         * loop-iv.c (suitable_set_for_replacement): Renamed from
8590         simplify_using_assignment; changed to return bool and to accept new
8591         args DEST and SRC.  Return true iff we find a source/destination pair
8592         that can be used to make a replacement, and fill SRC and DEST if so.
8593         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8594         changed.
8595         (simplify_using_initial_values): Deal with altered regs here and track
8596         more precisely the effect they have on the validity of our expression.
8597
8598         * loop-iv.c (simplify_using_condition): A condition of the form
8599         (EQ REG CONST) can be used to simply make a substitution.
8600         (simplify_using_initial_values): Keep track of conditions we have seen
8601         and keep using them to simplify new expressions, while applying the
8602         same substitutions to them as to the expression.
8603
8604         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8605         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8606         GEU/LTU reversed.
8607
8608         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8609         changed.  Use this when trying to improve the upper bound.
8610         Generate the comparison by using simplify_gen_relational.
8611
8612         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8613
8614         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8615         functions.
8616         (simplify_using_assignment, simplify_using_initial_values): Call
8617         replace_in_expr to make replacements.  Call replace_single_def_regs
8618         once on the initial version of the expression.
8619
8620 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8621
8622         PR target/27237
8623         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8624
8625 2009-03-31  Richard Guenther  <rguenther@suse.de>
8626
8627         PR middle-end/31029
8628         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8629         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8630
8631 2009-03-31  Richard Guenther  <rguenther@suse.de>
8632
8633         * tree.h (div_if_zero_remainder): Declare.
8634         * fold-const.c (div_if_zero_remainder): Export.
8635         * tree-ssa-forwprop.c
8636         (forward_propagate_addr_into_variable_array_index): Handle
8637         constant array index addition outside of the variable index.
8638
8639 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8640
8641         PR target/39592
8642         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8643         define_splits, floatunssi<mode>2): Require x87 conversions from
8644         DImode to be permitted.
8645
8646 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8647
8648         PR preprocessor/15638
8649         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8650
8651 2009-03-31  Richard Guenther  <rguenther@suse.de>
8652
8653         PR middle-end/23401
8654         PR middle-end/27810
8655         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8656         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8657         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8658         a separate statement.
8659         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8660         (lookup_tmp_var): Likewise.
8661         (is_gimple_formal_tmp_or_call_rhs): Remove.
8662         (is_gimple_reg_or_call_rhs): Rename to ...
8663         (is_gimple_reg_rhs_or_call): ... this.
8664         (is_gimple_mem_or_call_rhs): Rename to ...
8665         (is_gimple_mem_rhs_or_call): ... this.
8666         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8667         DECL_GIMPLE_REG_P only if is_formal is true.
8668         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8669         for non-proper post-modify expression gimplification.
8670         (gimplify_self_mod_expr): For post-modify expressions gimplify
8671         the lvalue to a minimal lvalue.
8672         (rhs_predicate_for): Remove formal temp case.
8673         (gimplify_modify_expr_rhs): Likewise.
8674         (gimplify_addr_expr): Use is_gimple_reg.
8675         (gimplify_expr): Remove formal temp cases.
8676         (gimple_regimplify_operands): Likewise.
8677         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8678         and FILTER_EXPR like constants.
8679         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8680         is_gimple_reg.
8681         (is_gimple_formal_tmp_rhs): Remove.
8682         (is_gimple_reg_rhs): Remove special casing.
8683         (is_gimple_mem_rhs): Fix.
8684         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8685         (is_gimple_formal_tmp_var): Remove.
8686         (is_gimple_formal_tmp_reg): Likewise.
8687         (is_gimple_min_lval): Allow invariant component ref parts.
8688         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8689         is_gimple_formal_tmp_reg): Remove declarations.
8690         * tree-cfg.c (verify_expr): Verify that variables with address
8691         taken do not have DECL_GIMPLE_REG_P set.
8692         * tree-mudflap.c (mf_build_check_statement_for): Use
8693         force_gimple_operand instead of gimplify_expr.
8694
8695 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8696
8697         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8698         schedulable rows to compute_split_row.
8699
8700 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8701
8702         PR target/31635
8703         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8704         OPT_mvrsave.
8705
8706 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8707
8708         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8709         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8710         * configure: Regenerate.
8711         * config.in: Regenerate.
8712         * config/rs6000/rs6000.opt (mtls-markers): Add.
8713         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8714         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8715         (tls_ld_aix, tls_ld_sysv): Likewise.
8716         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8717         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8718
8719 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8720
8721         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8722
8723 2009-03-30  Jan Hubicka  <jh@suse.cz>
8724
8725         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8726         out of RESX.
8727         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8728         detection and label handling.
8729
8730 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8731
8732         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8733         left_conflicts_size.
8734         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8735         ALLOCNO_LEFT_CONFLICTS_SIZE.
8736
8737         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8738         remove_allocno_from_bucket_and_push,
8739         allocno_spill_priority_compare, push_allocnos_to_stack,
8740         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8741         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8742         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8743         setup_allocno_left_conflicts_size.
8744         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8745         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8746         setup_allocno_left_conflicts_size instead of
8747         setup_allocno_left_conflicts_num.
8748
8749         * ira-build.c (ira_create_allocno): Use
8750         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8751         ALLOCNO_LEFT_CONFLICTS_NUM.
8752
8753 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8754
8755         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8756         instead of DF_LR_OUT.
8757
8758         * ira-lives.c (process_bb_node_lives): Ditto.
8759
8760         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8761         instead of DF_LR_{OUT,IN}.
8762
8763         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8764
8765         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8766
8767 2009-03-30  Jan Hubicka  <jh@suse.cz>
8768
8769         * except.c (label_to_region_map): Fix thinko.
8770
8771 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
8772
8773         PR middle-end/38237
8774         * tree.h (tree_find_value): New declaration.
8775         * tree.c (tree_find_value): New function.
8776         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8777
8778 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8779
8780         PR debug/39563
8781         * c-decl.c (struct c_binding): Add locus field.
8782         (bind): Add locus argument, set locus field from it.
8783         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8784         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8785         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8786         implicitly_declare, undeclared_variable, lookup_label,
8787         declare_label, c_make_fname_decl, c_builtin_function,
8788         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8789         bind callers.
8790
8791 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8792
8793         PR target/38781
8794         * config/i386/i386.c (classify_argument): Check total size of
8795         structure.
8796
8797 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8798
8799         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8800         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8801         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8802         respectively.
8803
8804         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8805         seen_variable_array_ref while also traversing a union.
8806
8807         * tree-inline.c (optimize_inline_calls): Do not call
8808         cgraph_node_remove_callees.
8809         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8810         (pass_remove_cgraph_callee_edges): New variable.
8811         * passes.c (init_optimization_passes): Add
8812         pass_remove_cgraph_callee_edges after early inlining and before all
8813         late intraprocedural passes.
8814
8815         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8816
8817 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8818
8819         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8820         Fix typos in names.
8821
8822 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8823
8824         * combine.c (simplify_comparison): Use have_insn_for.
8825         * dojump.c (do_jump): Likewise.
8826
8827 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8828
8829         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8830         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8831         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8832         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8833         instead of sparc_compare_emitted.
8834         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8835         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8836         instead of sparc_compare_emitted.
8837
8838 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8839
8840         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8841         enter/exit cfglayout mode.
8842         (pass_partition_block): Require it.
8843         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8844         (combine_instructions): Track basic blocks instead of labels.
8845         (update_cfg_for_uncondjump): New.
8846         (try_combine): Use it.  Update jumps after rescanning.
8847         (pass_combine): Require PROP_cfglayout.
8848         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8849
8850 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8851
8852         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8853         Provide/destroy PROP_cfglayout respectively.
8854         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8855         * tree-pass.h (PROP_cfglayout): New.
8856
8857 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8858
8859         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8860         fold_convert_const_fixed_from_fixed,
8861         fold_convert_const_fixed_from_int,
8862         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8863         set TREE_CONSTANT_OVERFLOW.
8864         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8865         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8866
8867 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8868
8869         * tree-vect-loop-manip.c: New file.
8870         * tree-vectorizer.c: Update documentation and included files.
8871         (vect_loop_location): Make extern.
8872         (rename_use_op): Move to tree-vect-loop-manip.c
8873         (rename_variables_in_bb, rename_variables_in_loop,
8874         slpeel_update_phis_for_duplicate_loop,
8875         slpeel_update_phi_nodes_for_guard1,
8876         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8877         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8878         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8879         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8880         find_loop_location): Likewise.
8881         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8882         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8883         get_vectype_for_scalar_type, vect_is_simple_use,
8884         supportable_widening_operation, supportable_narrowing_operation):
8885         Likewise.
8886         (bb_in_loop_p): Move to tree-vect-loop.c.
8887         (new_loop_vec_info, destroy_loop_vec_info,
8888         reduction_code_for_scalar_code, report_vect_op,
8889         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8890         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8891         (vect_supportable_dr_alignment): Likewise.
8892         * tree-vectorizer.h (tree-data-ref.h): Include.
8893         (vect_loop_location): Declare.
8894         Reorganize function declarations according to the new file structure.
8895         * tree-vect-loop.c: New file.
8896         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8897         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8898         * tree-vect-data-refs.c: New file.
8899         * tree-vect-patterns.c (timevar.h): Don't include.
8900         * tree-vect-stmts.c: New file.
8901         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8902         tree-vect-slp.c, tree-vect-loop.c.
8903         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8904         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8905         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8906         (tree-vect-analyze.o): Remove.
8907         (tree-vect-transform.o): Likewise.
8908         (tree-vect-data-refs.o): Add rule.
8909         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8910         tree-vect-slp.o): Likewise.
8911         (tree-vect-patterns.o): Remove redundant dependencies.
8912         (tree-vectorizer.o): Likewise.
8913         * tree-vect-slp.c: New file.
8914
8915 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8916
8917         * optc-gen.awk: Warn if an option flag has multiple different
8918         help strings.
8919
8920 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8921
8922         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8923         -floop-block): Document dependences on PPL, CLooG and Graphite.
8924
8925 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8926
8927         PR rtl-optimization/323
8928         * c-common.c (c_fully_fold, convert_and_check,
8929         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8930         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8931         * c-common.def (EXCESS_PRECISION_EXPR): New.
8932         * c-cppbuiltin.c (builtin_define_float_constants): Define
8933         constants with enough digits for long double.
8934         * c-lex.c (interpret_float): Interpret constant with excess
8935         precision where appropriate.
8936         * c-opts.c (c_common_post_options): Set
8937         flag_excess_precision_cmdline.  Give an error for
8938         -fexcess-precision=standard for C++ for processors where the
8939         option is significant.
8940         * c-parser.c (c_parser_conditional_expression): Handle excess
8941         precision in condition.
8942         * c-typeck.c (convert_arguments): Handle arguments with excess
8943         precision.
8944         (build_unary_op): Move excess precision outside operation.
8945         (build_conditional_expr): Likewise.
8946         (build_compound_expr): Likewise.
8947         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8948         (build_modify_expr): Handle excess precision in RHS.
8949         (convert_for_assignment): Handle excess precision in converted
8950         value.
8951         (digest_init, output_init_element, process_init_element): Handle
8952         excess precision in initializer.
8953         (c_finish_return): Handle excess precision in return value.
8954         (build_binary_op): Handle excess precision in operands and add
8955         excess precision as needed for operation.
8956         * common.opt (-fexcess-precision=): New option.
8957         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8958         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8959         For standard excess precision, output explicit conversion to and
8960         truncation from XFmode.
8961         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8962         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8963         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8964         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8965         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8966         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8967         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8968         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8969         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8970         define_splits, sqrt<mode>2): Disable where appropriate for
8971         standard excess precision.
8972         * convert.c (convert_to_real): Do not shorten arithmetic to type
8973         for which excess precision would be used.
8974         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8975         * doc/invoke.texi (-fexcess-precision=): Document option.
8976         (-mfpmath=): Correct index entry.
8977         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8978         flag_excess_precision): New.
8979         * langhooks.c (lhd_post_options): Set
8980         flag_excess_precision_cmdline.
8981         * opts.c (common_handle_option): Handle -fexcess-precision=.
8982         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8983         init_excess_precision): New.
8984         (lang_dependent_init_target): Call init_excess_precision.
8985         * tree.c (excess_precision_type): New.
8986         * tree.h (excess_precision_type): Declare.
8987
8988 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8989
8990         PR c/35235
8991         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8992         non-lvalue to component.
8993
8994 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8995
8996         PR preprocessor/34695
8997         * Makefile.in (c-opts.o): Depend on c-tree.h.
8998         * c-common.c: Move down include of diagnostic.h.
8999         (done_lexing, c_cpp_error): New.
9000         * c-common.h (done_lexing): Declare.
9001         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
9002         (parse_in).
9003         * c-opts.c: Include c-tree.h.
9004         (c_common_init_options): Set preprocessor error callback.
9005         (c_common_handle_option): Do not set preprocessor
9006         inhibit_warnings, warnings_are_errors, warn_system_headers,
9007         pedantic_errors or inhibit_warnings flags.
9008         (c_common_post_options): Do not check cpp_errors (parse_in).
9009         (c_common_finish): Do not output dependencies if there were
9010         errors.  Do not check return value of cpp_finish.
9011         * c-ppoutput.c (pp_file_change): Set input_location.
9012         * c-tree.h (c_cpp_error): Declare.
9013         * diagnostic.c (diagnostic_set_info_translated): Also initialize
9014         override_column.
9015         (diagnostic_build_prefix): Check override_column.
9016         * diagnostic.h (diagnostic_info): Add override_column field.
9017         (diagnostic_override_column): Define.
9018
9019 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
9020
9021         * c-common.c (c_expand_expr, c_staticp): Remove.
9022         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
9023         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
9024         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
9025         * c-gimplify.c (gimplify_compound_literal_expr,
9026         optimize_compound_literals_in_ctor): Remove.
9027         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
9028         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
9029         * c-semantics.c (emit_local_var): Remove.
9030
9031         * langhooks-def.h (lhd_expand_expr): Remove.
9032         * langhooks.c (lhd_expand_expr): Remove.
9033         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
9034
9035         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
9036         handling from c-semantics.c; don't call into langhook.
9037         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
9038         * gimplify.c (gimplify_compound_literal_expr,
9039         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
9040         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
9041         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
9042         as was done in c-gimplify.c.
9043         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
9044         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
9045         Move from c-common.h.
9046         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
9047
9048         * tree.c (staticp): Do not call langhook.
9049         * langhooks.c (lhd_staticp): Delete.
9050         * langhooks-def.h (lhd_staticp): Delete prototype.
9051         (LANG_HOOKS_STATICP): Delete.
9052         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
9053
9054         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
9055         instead of DECL_STMTs.
9056
9057 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
9058
9059         PR c/456
9060         PR c/5675
9061         PR c/19976
9062         PR c/29116
9063         PR c/31871
9064         PR c/35198
9065         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
9066         void_type_node.
9067         (fold_call_expr): Return a NOP_EXPR from folding rather than the
9068         contained expression.
9069         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
9070         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
9071         conditional expressions for C.
9072         (decl_constant_value_for_optimization): Move from
9073         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
9074         whether optimizing and that the expression is a VAR_DECL not of
9075         array type instead of doing such checks in the caller.  Do not
9076         check pedantic.  Call gcc_unreachable for C++.
9077         * c-common.def (C_MAYBE_CONST_EXPR): New.
9078         * c-common.h (c_fully_fold, c_save_expr,
9079         decl_constant_value_for_optimization): New prototypes.
9080         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
9081         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
9082         EXPR_INT_CONST_OPERANDS): Define.
9083         * c-convert.c (convert): Strip nops from expression.
9084         * c-decl.c (groktypename): Take extra parameters expr and
9085         expr_const_operands.  Update call to grokdeclarator.
9086         (start_decl): Update call to grokdeclarator.  Add statement for
9087         expressions used in type of decl.
9088         (grokparm): Update call to grokdeclarator.
9089         (push_parm_decl): Update call to grokdeclarator.
9090         (build_compound_literal): Add parameter non_const and build a
9091         C_MAYBE_COSNT_EXPR if applicable.
9092         (grokdeclarator): Take extra parameters expr and
9093         expr_const_operands.  Track expressions used in declaration
9094         specifiers and declarators.  Fold array sizes and track whether
9095         they are constant expressions and whether they are integer
9096         constant expressions.
9097         (parser_xref_tag): Set expr and expr_const_operands fields in
9098         return value.
9099         (grokfield): Update call to grokdeclarator.
9100         (start_function): Update call to grokdeclarator.
9101         (build_null_declspecs): Set expr and expr_const_operands fields in
9102         return value.
9103         (declspecs_add_type): Handle expressions in typeof specifiers.
9104         * c-parser.c (c_parser_declspecs): Set expr and
9105         expr_const_operands fields for declaration specifiers.
9106         (c_parser_enum_specifier): Likewise.
9107         (c_parser_struct_or_union_specifier): Likewise.
9108         (c_parser_typeof_specifier): Likewise.  Update call to
9109         groktypename.  Fold expression as needed.  Return expressions with
9110         type instead of adding statements.
9111         (c_parser_attributes): Update calls to c_parser_expr_list.
9112         (c_parser_statement_after_labels): Fold expression before passing
9113         to objc_build_throw_stmt.
9114         (c_parser_condition): Fold expression.
9115         (c_parser_asm_operands): Fold expression.
9116         (c_parser_conditional_expression): Use c_save_expr.  Update call
9117         to build_conditional_expr.
9118         (c_parser_alignof_expression): Update call to groktypename.
9119         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
9120         original_code.  Fold expression argument of va_arg.  Create
9121         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
9122         argument to va_arg.  Update calls to groktypename.  Fold array
9123         index for offsetof.  Verify that first argument to
9124         __builtin_choose_expr has integer type.
9125         (c_parser_postfix_expression_after_paren_type): Update calls to
9126         groktypename and build_compound_literal.  Handle expressions with
9127         side effects in type name.
9128         (c_parser_postfix_expression_after_primary): Update call to
9129         c_parser_expr_list.  Set original_code for calls to
9130         __builtin_constant_p.
9131         (c_parser_expr_list): Take extra parameter fold_p.  Fold
9132         expressions if requested.
9133         (c_parser_objc_type_name): Update call to groktypename.
9134         (c_parser_objc_synchronized_statement): Fold expression.
9135         (c_parser_objc_receiver): Fold expression.
9136         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
9137         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
9138         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
9139         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
9140         (struct c_typespec): Add elements expr and expr_const_operands.
9141         (struct c_declspecs): Add elements expr and expr_const_operands.
9142         (groktypename, build_conditional_expr, build_compound_literal):
9143         Update prototypes.
9144         (in_late_binary_op): Declare.
9145         * c-typeck.c (note_integer_operands): New function.
9146         (in_late_binary_op): New variable.
9147         (decl_constant_value_for_broken_optimization): Move to c-common.c
9148         and rename to decl_constant_value_for_optimization.
9149         (default_function_array_conversion): Do not strip nops.
9150         (default_conversion): Do not call
9151         decl_constant_value_for_broken_optimization.
9152         (build_array_ref): Do not fold result.
9153         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
9154         result when operand is a VLA.
9155         (c_expr_sizeof_type): Update call to groktypename.  Handle
9156         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
9157         result when operand names a VLA type.
9158         (build_function_call): Update call to build_compound_literal.
9159         Only fold result for calls to __builtin_* functions.  Strip
9160         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
9161         the function designator.
9162         (convert_arguments): Fold arguments.  Update call to
9163         convert_for_assignment.
9164         (build_unary_op): Handle increment and decrement of
9165         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
9166         decrement earlier.  Fold operand of increment and decrement.
9167         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
9168         built for integer operand.  Wrap returns that are INTEGER_CSTs
9169         without being integer constant expressions or that have integer
9170         constant operands without being INTEGER_CSTs.
9171         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
9172         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
9173         result is an integer constant expression or can be used in
9174         unevaluated parts of one and avoid folding and wrap as
9175         appropriate.  Fold operands before possibly doing -Wsign-compare
9176         warnings.
9177         (build_compound_expr): Wrap result for C99 if operands can be used
9178         in integer constant expressions.
9179         (build_c_cast): Update call to digest_init.  Do not ignore
9180         overflow from casting floating-point constants to integers.  Wrap
9181         results that could be confused with integer constant expressions,
9182         null pointer constants or floating-point constants.
9183         (c_cast_expr): Update call to groktypename.  Handle expressions
9184         included in type name.
9185         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
9186         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
9187         Update calls to convert_for_assignment.
9188         (convert_for_assignment): Take new parameter
9189         null_pointer_constant.  Do not strip nops or call
9190         decl_constant_value_for_broken_optimization.  Set
9191         in_late_binary_op for conversions to boolean.
9192         (store_init_value): Update call to digest_init.
9193         (digest_init): Take new parameter null_pointer_constant.  Do not
9194         call decl_constant_value_for_broken_optimization.  pedwarn for
9195         initializers not constant expressions.  Update calls to
9196         convert_for_assignment.
9197         (constructor_nonconst): New.
9198         (struct constructor_stack): Add nonconst element.
9199         (really_start_incremental_init, push_init_level, pop_init_level):
9200         Handle constructor_nonconst and nonconst element.
9201         (set_init_index): Call constant_expression_warning for array
9202         designators.
9203         (output_init_element): Fold value.  Set constructor_nonconst as
9204         applicable.  pedwarn for initializers not constant expressions.
9205         Update call to digest_init.  Call constant_expression_warning
9206         where constant initializers are required.
9207         (process_init_element): Use c_save_expr.
9208         (c_finish_goto_ptr): Fold expression.
9209         (c_finish_return): Fold return value.  Update call to
9210         convert_for_assignment.
9211         (c_start_case): Fold switch expression.
9212         (c_process_expr_stmt): Fold expression.
9213         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
9214         ensure statement expression is not evaluated in constant expression.
9215         (build_binary_op): Track whether results are integer constant
9216         expressions or may occur in such, disable folding and wrap results
9217         as applicable.  Fold operands for -Wsign-compare warnings unless
9218         in_late_binary_op.
9219         (c_objc_common_truthvalue_conversion): Handle results folded to
9220         integer constants that are not integer constant expressions.
9221         * doc/extend.texi: Document when typeof operands are evaluated,
9222         that condition of __builtin_choose_expr is an integer constant
9223         expression, and more about use of __builtin_constant_p in
9224         initializers.
9225
9226 2009-03-29  Richard Guenther  <rguenther@suse.de>
9227
9228         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
9229         propagate addresses of array references.
9230
9231 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
9232
9233         * regmove.c (perhaps_ends_bb_p): Remove.
9234         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
9235         from INSN and check that the main loop stays within that basic block.
9236         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
9237         (regmove_forward_pass): Split out from regmove_optimize.  Use
9238         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9239         (regmove_backward_pass): Split out from regmove_optimize.  Use
9240         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
9241         (regmove_optimize): Simplify.
9242
9243 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9244
9245         PR target/39545
9246         * config/i386/i386.c (classify_argument): Ignore flexible array
9247         member in struct and warn ABI change.
9248
9249 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9250
9251         * config/i386/i386-protos.h (ix86_agi_dependent): New.
9252
9253         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
9254         (ix86_adjust_cost): Updated.
9255
9256 2009-03-29  Jan Hubicka  <jh@suse.cz>
9257
9258         PR middle-end/28850
9259         * tree-pass.h (pass_cleanup_eh): New function.
9260         (remove_unreachable_regions): Break code handling RTL
9261         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
9262         that can not be reached by runtime.
9263         (can_be_reached_by_runtime): New function.
9264         (label_to_region_map): New function.
9265         (num_eh_regions): New function.
9266         (rtl_remove_unreachable_regions): New function.
9267         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
9268         (remove_eh_region): New function.
9269         * except.h: Include sbitmap and vecprim.
9270         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
9271         num_eh_regions): Declare.
9272         * passes.c (init_optimization_passes): Schedule cleanup_eh.
9273         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
9274         * tree-eh.c (tree_remove_unreachable_handlers): New function.
9275         (tree_empty_eh_handler_p): New function.
9276         (cleanup_empty_eh): New function.
9277         (cleanup_eh): New function.
9278         (pass_cleanup_eh): New function.
9279
9280 2009-03-29  Jan Hubicka  <jh@suse.cz>
9281
9282         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
9283         for removed regions.
9284
9285 2009-03-29  Jan Hubicka  <jh@suse.cz>
9286
9287         * except.c (dump_eh_tree): Dump all datastructures.
9288
9289 2009-03-29  Jan Hubicka  <jh@suse.cz>
9290
9291         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
9292         (duplicate_eh_regions_1): Likewise.
9293         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
9294         vector; call EH verification.
9295         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9296         Be ready for region being removed.
9297
9298 2009-03-29  Jan Hubicka  <jh@suse.cz>
9299
9300         * bitmap.c (bitmap_last_set_bit): New function.
9301         * bitmap.h (bitmap_last_set_bit): Declare.
9302
9303 2009-03-29  David Ayers  <ayers@fsfe.org>
9304
9305         PR objc/27377
9306         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
9307         by calling objc_compare_types and surpress warnings about
9308         incompatible C pointers that are compatible ObjC pointers.
9309
9310 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
9311
9312         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
9313         call initialize_inline_failed.
9314         (initialize_inline_failed): Move it from here ...
9315         * cgraph.c (initialize_inline_failed): ... to here.
9316         (cgraph_create_edge): Call initialize_inline_failed rather than
9317         setting inline_failed directly.
9318
9319 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9320
9321         PR target/32542
9322         * sysv4.opt (msdata): Improve comment.
9323         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
9324         * sysv4.h (SVR4_ASM_SPEC): Likewise.
9325
9326 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9327
9328         PR target/30451
9329         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
9330         load and store attributes.
9331
9332 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9333
9334         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
9335         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
9336         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
9337         * doc/extend.texi (X86 Built-in Functions): Add index entries for
9338         __builtin_infq and __builtin_huge_valq.
9339
9340 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
9341
9342         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
9343         atmega8m1 devices.
9344         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9345         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
9346
9347 2009-03-28  Xinliang David Li  <davidxl@google.com>
9348
9349         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
9350         (do_dbg_cnt): New function.
9351
9352 2009-03-28  Jan Hubicka  <jh@suse.cz>
9353
9354         Merge from pretty-ipa:
9355
9356         2009-03-27  Jan Hubicka  <jh@suse.cz>
9357
9358         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9359         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
9360         * passes.c (function_called_by_processed_nodes_p): New.
9361         * ipa-pure-const.c (check_call): Fix handling of operands.
9362         (analyze_function): Dump debug output for skipped bodies.
9363         (local_pure_const): Use function_called_by_processed_nodes_p.
9364         * dwarf2out.c (reference_to_unused): Use output.
9365         * passes.c (do_per_function_toporder): Likewise.
9366
9367         2008-11-12  Jan Hubicka  <jh@suse.cz>
9368
9369         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
9370         * ipa-pure-const.c (funct_state_d): Add can throw field; make
9371         state_set_in_source enum
9372         (check_decl): Ignore memory tags; do not set fake looping flags;
9373         dump diagnostics.
9374         (check_operand, check_tree, check_rhs_var, check_lhs_var,
9375         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
9376         (check_call, analyze_function): Rewrite.
9377         (check_stmt): New.
9378         (add_new_function): Update call of analyze_function.
9379         (generate_summary): Add call of analyze_function.
9380         (propagate): Propagate can_throw; handle state_set_in_source correctly.
9381         (local_pure_const): New function.
9382         (pass_local_pure_const): New pass.
9383         * ipa-inline.c (inline_transform): Set after_inlining.
9384         * tree-eh.c (stmt_can_throw_external): New.
9385         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
9386         work with aliasing built.
9387         * tree-flow.h (stmt_can_throw_external): New.
9388         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
9389         and local pure/const pass in early and late optimization queue.
9390
9391 2009-03-28  Martin Jambor  <mjambor@suse.cz>
9392
9393         * fold-const.c (get_pointer_modulus_and_residue): New parameter
9394         allow_func_align.
9395         (fold_binary): Allow function decl aligment consideration is the
9396         second argument is integer constant one.
9397         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
9398         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
9399         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
9400
9401 2009-03-28  Jan Hubicka  <jh@suse.cz>
9402
9403         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
9404         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
9405         * function.h (rtl_data): Add nothrow flag.
9406         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
9407         set DECL_NOTHROW for AVAILABLE functions.
9408
9409 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
9410
9411         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
9412         following vector keyword has expansion starting with pixel or bool
9413         keyword, expand vector to __vector and pixel or bool to __pixel or
9414         __bool.
9415
9416         PR c++/39554
9417         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
9418         warn_if_disallowed_function_p): Removed.
9419         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
9420         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
9421         warning_if_disallowed_function_p.
9422         * flags.h (warn_if_disallowed_function_p,
9423         warn_disallowed_functions): Removed.
9424         * common.opt (Wdisallowed-function-list=): Removed.
9425         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
9426
9427 2009-03-28  Richard Guenther  <rguenther@suse.de>
9428
9429         PR tree-optimization/38723
9430         * tree-ssa-pre.c (compute_avail): Add all default definitions to
9431         the entry block.
9432
9433 2009-03-28  Jan Hubicka  <jh@suse.cz>
9434
9435         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
9436         test introduced by my previous patch.
9437
9438 2009-03-28  Richard Guenther  <rguenther@suse.de>
9439
9440         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
9441         the PHIs value undefined.
9442
9443 2009-03-28  Jan Hubicka  <jh@suse.cz>
9444
9445         * tree-pass.h (pass_fixup_cfg): New pass.
9446         * ipa-inline.c (inline_transform): Set
9447         always_inline_functions_inlined/after_inlining.
9448         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
9449         (pass_fixup_cfg): New pass.
9450         * passes.c (init_optimization_passes): Add fixup_cfg.
9451
9452 2009-03-28  Richard Guenther  <rguenther@suse.de>
9453
9454         PR tree-optimization/38458
9455         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
9456         argument use the arguments copy-of value.
9457
9458 2009-03-28  Richard Guenther  <rguenther@suse.de>
9459
9460         PR tree-optimization/38180
9461         * tree-ssa-ccp.c (get_default_value): Simplify.
9462         (likely_value): Likewise.
9463         (surely_varying_stmt_p): Properly handle VOP case.
9464         (ccp_initialize): Likewise.
9465         (ccp_fold): Handle propagating through *&.
9466         (fold_const_aggregate_ref): Also handle decls.
9467
9468 2009-03-28  Jan Hubicka  <jh@suse.cz>
9469
9470         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9471         * cgraph.h (cgraph_node): Likewise.
9472         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
9473         (cgraph_reset_node): Use process flag.
9474         (cgraph_mark_functions_to_output): Likewise.
9475         (cgraph_expand_function): Likewise.
9476         (cgraph_expand_all_functions): Likewise.
9477         (cgraph_output_in_order): Likewise.
9478         * dwarf2out.c (reference_to_unused): Likewise.
9479         * passes.c do_per_function_toporder): Likewise.
9480
9481 2009-03-28  Jan Hubicka  <jh@suse.cz>
9482
9483         Bring from lto-branch:
9484
9485         2008-09-03  Doug Kwan  <dougkwan@google.com>
9486
9487         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
9488         enums instead of reason strings.
9489         * cgraph.c (cgraph_create_edge): Same.
9490         (cgraph_inline_failed_string): New function.
9491         * cgraph.h (cgraph_inline_failed_t): New enum type.
9492         (cgraph_inline_failed_string): New prototype.
9493         (struct cgraph_edge): Change type of INLINED_FAILED from constant
9494         char pointer to cgraph_inline_failed_t.
9495         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
9496         (cgraph_default_inline_p): Ditto.
9497         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
9498         to cgraph_inline_failed_t pointer.
9499         * cif-code.def: New file.
9500         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
9501         reason string.
9502         (cgraph_check_inline_limits): Change type of REASON to pointer to
9503         cgraph_inline_failed_t.  Replace reason strings with enums.
9504         (cgraph_default_inline_p): Ditto.
9505         (cgraph_recursive_inlining_p): Ditto.
9506         (update_caller_keys): Change type of FAILED_REASON to
9507         cgraph_inline_failed_t.
9508         (cgraph_set_inline_failed): Change type of REASON to pointer to
9509         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
9510         convert enums to strings for text output.
9511         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
9512         to be of type cgraph_inline_failed_t.  Replace reason strings with
9513         enums.  Call cgraph_inline_failed_string to covert enums
9514         to strings for text output.
9515         (cgraph_decide_inlining): Replace reason strings with enums.
9516         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
9517         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
9518         for text output.
9519         * tree-inline.c (expand_call_inline): Change type of REASON
9520         to cgraph_inline_failed_t.  Replace reason strings with enums.
9521         Call cgraph_inline_failed_string for text output.
9522         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9523         (cgraph.o): Ditto.
9524
9525 2009-03-28  Jan Hubicka  <jh@suse.cz>
9526
9527         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9528         cgraph_clone_node): Remove master clone handling.
9529         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9530         * cgraph.h (master_clone): Remove.
9531         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9532         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9533         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9534
9535 2009-03-28  Jan Hubicka  <jh@suse.cz>
9536
9537         * cgraph.c (cgraph_function_body_availability): Functions declared
9538         inline are always safe to assume that it is not going to be replaced.
9539
9540 2009-03-28  Richard Guenther  <rguenther@suse.de>
9541
9542         PR tree-optimization/38513
9543         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9544         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9545         EXC_PTR_EXPR and FILTER_EXPR.
9546         (get_ref_from_reference_ops): Likewise.
9547
9548 2009-03-28  Richard Guenther  <rguenther@suse.de>
9549
9550         PR tree-optimization/38968
9551         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9552         Use FLOOR_MOD_EXPR to compute misalignment.
9553
9554 2009-03-28  Richard Guenther  <rguenther@suse.de>
9555
9556         PR tree-optimization/37795
9557         * tree.h (combine_comparisons): Declare.
9558         * fold-const.c (combine_comparisons): Export.
9559         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9560         comparisons.
9561         (ifcombine_iforif): Use combine_comparisons.
9562
9563 2009-03-28  Jan Hubicka  <jh@suse.cz>
9564
9565         * tree-eh.c (inlinable_call_p): New function.
9566         (make_eh_edges): Use it.
9567         (verify_eh_edges): Use it.
9568         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9569         * except.c (reachable_next_level): Add inlinable_function argument
9570         (sjlj_find_directly_reachable_regions): Update.
9571         (add_reachable_handler): Do not set saw_any_handlers.
9572         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9573         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9574         Add new inlinable call parameter.
9575         (can_throw_internal, can_throw_external): Update.
9576         * except.h (can_throw_internal_1, can_throw_external_1,
9577         foreach_reachable_handler): Update declaration.
9578
9579 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9580
9581         * config/arm/t-arm-coff, config/h8300/coff.h,
9582         config/i386/i386-aout.h, config/i386/i386-coff.h,
9583         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9584         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9585         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9586         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9587         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9588         sys-types.h: Remove.
9589         * Makefile.in: Remove protoize and fixproto support and references
9590         in comments.
9591         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9592         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9593         Remove.
9594         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9595         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9596         unprotoize$(exeext).
9597         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9598         (.PHONY): Don't depend on proto.
9599         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9600         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9601         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9602         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9603         build/gen-protos.o, build/scan.o, xsys-protos.h,
9604         build/fix-header$(build_exeext), build/fix-header.o,
9605         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9606         stmp-install-fixproto): Remove.
9607         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9608         SYSCALLS.c or fixproto files.
9609         (install-common): Don't install protoize.
9610         (install-headers-tar, install-headers-cpio, install-headers-cp):
9611         Don't depend on $(STMP_FIXPROTO).
9612         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9613         install fixproto files or write out fixproto settings.
9614         (uninstall): Don't uninstall protoize.
9615         * config.gcc (use_fixproto): Remove.
9616         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9617         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9618         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9619         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9620         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9621         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9622         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9623         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9624         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9625         * config/t-vxworks (STMP_FIXPROTO): Remove.
9626         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9627         STMP_FIXPROTO): Remove.
9628         * config.in, configure: Regenerate.
9629         * crtstuff.c (gid_t, uid_t): Don't undefine.
9630         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9631         (arm-*-coff, arm-*-aout: Remove target entries.
9632         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9633         Remove mention of AIX 4.1.
9634         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9635         * doc/invoke.texi (Running Protoize): Remove.
9636         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9637         (Protoize Caveats): Remove.
9638         * tsystem.h: Update comments on headers assumed to exist.
9639
9640 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9641
9642         * genautomata.c: Add a new year to the copyright.  Add a new
9643         reference.
9644         (struct insn_reserv_decl): Add comments for member bypass_list.
9645         (find_bypass): Remove.
9646         (insert_bypass): New.
9647         (process_decls): Use insert_bypass.
9648         (output_internal_insn_latency_func): Output all bypasses with the
9649         same input insn in one switch case.
9650
9651         * rtl.def (define_bypass): Describe bypass choice.
9652         * doc/md.texi (define_bypass): Ditto.
9653
9654 2009-03-27  Richard Guenther  <rguenther@suse.de>
9655
9656         * gimplify.c (mark_addressable): Export.
9657         * tree-flow.h (mark_addressable): Declare.
9658         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9659         * tree-ssa.c (verify_phi_args): Verify that address taken
9660         variables have TREE_ADDRESSABLE set.
9661
9662 2009-03-27  Richard Guenther  <rguenther@suse.de>
9663
9664         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9665         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9666         Do not mark decls TREE_ADDRESSABLE.
9667         (build_fold_addr_expr): Adjust.
9668         (fold_addr_expr): Remove.
9669         (fold_unary): Use build_fold_addr_expr.
9670         (fold_comparison): Likewise.
9671         (split_address_to_core_and_offset): Likewise.
9672         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9673         TREE_ADDRESSABLE.
9674         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9675         (gimplify_modify_expr_to_memcpy): Mark source and destination
9676         addressable.
9677         * omp-low.c (create_omp_child_function): Mark the object decl
9678         TREE_ADDRESSABLE.
9679         (lower_rec_input_clauses): Mark the var we take the address of
9680         TREE_ADDRESSABLE.
9681         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9682
9683 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9684
9685         PR middle-end/39315
9686         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9687         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9688
9689 2009-03-27  Richard Guenther  <rguenther@suse.de>
9690
9691         PR tree-optimization/39120
9692         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9693         constraints.
9694         (handle_lhs_call): Process return constraints.  Add escape
9695         constraints if necessary.
9696         (handle_const_call): Fill out return constraints.  Make nested
9697         case more precise.  Avoid consttmp if possible.
9698         (handle_pure_call): Fill out return constraints.  Avoid
9699         callused if possible.
9700         (find_func_aliases): Simplify call handling.
9701
9702 2009-03-27  Richard Guenther  <rguenther@suse.de>
9703
9704         PR tree-optimization/39120
9705         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9706         as a representative.
9707         (solve_graph): Do propagate CALLUSED.
9708         (handle_pure_call): Use a scalar constraint from CALLUSED for
9709         the return value.
9710         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9711         solutions.
9712
9713 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9714
9715         PR c/39323
9716         * c-common.c (handle_aligned_attribute): Properly check alignment
9717         overflow.  Use (1U << i) instead of (1 << i).
9718
9719         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9720
9721         * expr.h (get_mem_align_offset): Updated.
9722
9723         * tree.h (tree_decl_common): Change align to "unsigned int" and
9724         move it before pointer_alias_set.
9725
9726 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9727             Jakub Jelinek  <jakub@redhat.com>
9728
9729         PR target/38034
9730         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9731         gr_register_operand with gr_reg_or_0_operand.
9732         (cmpxchg_rel_di): Likewise.
9733         (sync_lock_test_and_set<mode>): Likewise.
9734
9735 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9736
9737         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9738         (true_regnum): Likewise.
9739
9740         * rtlanal.c (subreg_info): Moved to ...
9741         * rtl.h (subreg_info): Here.  New.
9742         (subreg_get_info): New.
9743
9744         * rtlanal.c (subreg_get_info): Make it extern.
9745
9746 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9747
9748         PR target/39472
9749         * config/i386/i386.c (ix86_abi): New.
9750         (override_options): Handle -mabi=.
9751         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9752         (ix86_call_abi_override): Likewise.
9753         (init_cumulative_args): Likewise.
9754         (function_arg_advance): Likewise.
9755         (function_arg_64): Likewise.
9756         (function_arg): Likewise.
9757         (ix86_pass_by_reference): Likewise.
9758         (ix86_function_value_regno_p): Likewise.
9759         (ix86_build_builtin_va_list_abi): Likewise.
9760         (setup_incoming_varargs_64): Likewise.
9761         (is_va_list_char_pointer): Likewise.
9762         (ix86_init_machine_status): Likewise.
9763         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9764         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9765         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9766         (ix86_function_abi): Make it static and return enum calling_abi.
9767         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
9768         with ix86_abi.
9769         (ix86_fn_abi_va_list): Updated.
9770
9771         * config/i386/i386.h (ix86_abi): New.
9772         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
9773         (CONDITIONAL_REGISTER_USAGE): Likewise.
9774         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
9775         (machine_function): Likewise.
9776
9777         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9778         with ix86_abi.
9779         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9780         (STACK_BOUNDARY): Likewise.
9781         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9782
9783         * config/i386/i386.opt (mabi=): New.
9784
9785         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9786         return enum calling_abi.
9787         (ix86_function_type_abi): Likewise.
9788         (ix86_function_abi): Removed.
9789
9790         * doc/invoke.texi: Document -mabi= option for x86.
9791
9792 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9793
9794         * builtins.c (real_dconstp): Delete.
9795         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9796
9797 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9798             Jakub Jelinek  <jakub@redhat.com>
9799
9800         PR debug/37959
9801         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9802         (gen_subprogram_die): When a function is explicit, generate the
9803         DW_AT_explicit attribute.
9804         * langhooks.h (struct lang_hooks_for_decls): Add
9805         function_decl_explicit_p langhook.
9806         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9807         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9808
9809 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9810
9811         * builtins.c (fold_builtin_memory_op): Optimize memmove
9812         into memcpy if we can prove source and destination don't overlap.
9813
9814         * tree-inline.c: Include gt-tree-inline.h.
9815         (clone_fn_id_num): New variable.
9816         (clone_function_name): New function.
9817         (tree_function_versioning): Use it.
9818         * Makefile.in (GTFILES): Add tree-inline.c.
9819
9820 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9821
9822         * BASE-VER: Change to 4.5.0.
9823
9824 2009-03-27  Xinliang David Li  <davidxl@google.com>
9825
9826         PR tree-optimization/39557
9827         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9828
9829 2009-03-27  Xinliang David Li  <davidxl@google.com>
9830
9831         PR tree-optimization/39548
9832         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9833         candidate check.
9834
9835 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9836
9837         * c-common.c (pointer_int_sum): Use %wd on return from
9838         tree_low_cst.
9839
9840 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9841
9842         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9843         on return from tree_low_cst.
9844
9845 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9846
9847         PR c++/36799
9848         * ginclude/stdarg.h (va_copy): Define also for
9849         __GXX_EXPERIMENTAL_CXX0X__.
9850
9851 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9852
9853         PR c++/35652
9854         * builtins.h (c_strlen): Do not warn here.
9855         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9856         * c-common.c (pointer_int_sum): Take an explicit location.
9857         Warn about offsets out of bounds.
9858         * c-common.h (pointer_int_sum): Adjust declaration.
9859
9860 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9861
9862         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9863         markup glitch.
9864
9865 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9866
9867         PR c++/39554
9868         * opts.c (warn_if_disallowed_function_p): Don't assume
9869         get_callee_fndecl must return non-NULL.
9870
9871 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9872
9873         PR rtl-optimization/39522
9874         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9875         when reg_reloaded_valid is set.
9876
9877 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9878
9879         * config/spu/divv2df3.c: New file.
9880         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9881         (DPBIT_FUNCS): Filter out _div_df.
9882
9883 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9884
9885         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9886         a jump insn, count that jump in the distance to the loop start.
9887
9888 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9889
9890         PR target/39523
9891         * config/sh/sh.c (calc_live_regs): Fix condition for global
9892         registers except PIC_OFFSET_TABLE_REGNUM.
9893
9894 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9895
9896         PR/39518
9897         * doc/invoke.texi (-mconsole): New.
9898         (-mcygwin): New.
9899         (-mno-cygwin): New.
9900         (-mdll): New.
9901         (-mnop-fun-dllimport): New.
9902         (-mthread): New.
9903         (-mwin32): New.
9904         (-mwindows): New.
9905         (sub section "i386 and x86-64 Windows Options"): New.
9906
9907 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9908
9909         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9910         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9911
9912 2009-03-25  Richard Guenther  <rguenther@suse.de>
9913
9914         PR middle-end/39497
9915         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9916         of -Wno-error.
9917
9918 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9919
9920         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9921         neither of haifa/selective schedulers are working.
9922
9923 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9924
9925         * doc/invoke.texi (Debugging Options): Fix description of
9926         -fno-merge-debug-strings.
9927
9928 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9929
9930         * config/cris/libgcc.ver: New version-script.
9931         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9932
9933         * configure.ac <GAS features, nop mnemonic>: Add pattern
9934         crisv32-*-* for "nop".
9935         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9936         * configure: Regenerate.
9937
9938 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9939
9940         PR tree-optimization/39529
9941         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9942         mark_sym_for_renaming for the tag copied to the new vector
9943         pointer.
9944
9945 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9946
9947         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9948         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9949         EXTRA_SPEC_FUNCTIONS.
9950         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9951         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9952         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9953         -march and -mtune options.
9954
9955 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9956
9957         * config/m68k/t-rtems: Add m5329 multilib.
9958
9959 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9960             Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR debug/39524
9963         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9964         nodes.
9965
9966 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9967
9968         PR c/39495
9969         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9970         instead of c_parser_expression_conv, if original_code isn't one of the
9971         4 allowed comparison codes, fail.
9972
9973 2009-03-23  Richard Guenther  <rguenther@suse.de>
9974
9975         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9976         * tree.h (struct tree_type): Likewise.
9977         * reload.h (struct insn_chain): Likewise.
9978         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9979         * function.h (struct function): Likewise.
9980         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9981
9982 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9983
9984         PR tree-optimization/39516
9985         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9986
9987 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9988
9989         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9990         should be set true if BITS_PER_WORD of target is bigger than 32
9991
9992 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9993
9994         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9995         Translate -B-options to -rpath-link.  Correct existing
9996         rpath-link and conditionalize on !nostdlib.
9997
9998 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9999
10000         * doc/extend.texi (Function Attributes, Variable Attributes):
10001         Fix typos.
10002         * doc/invoke.texi (Debugging Options, Optimize Options)
10003         (i386 and x86-64 Options, MCore Options): Likewise.
10004
10005 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
10006
10007         PR debug/37890
10008         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
10009         it for block local namespace aliases.
10010         (gen_decl_die): Pass context_die to gen_namespace_die.
10011
10012 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10013
10014         PR c/39495
10015         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
10016         minimum or maximum value.
10017
10018 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
10019
10020         * reginfo.c (globalize_reg): Recompute derived reg sets.
10021
10022 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
10023
10024         PR target/39063
10025         * libgcc2.c (mprotect): Do not use signed arguments for
10026         VirtualProtect, use DWORD arguments.  Also fix the 'may
10027         be used uninitialized' warning for the np variable.
10028
10029 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
10030
10031         PR target/39496
10032         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
10033         functions using regparm calling conventions when not optimizing.
10034         (ix86_function_sseregparm): Similarly for sseregparm calling
10035         conventions.
10036
10037 2009-03-19  Li Feng  <nemokingdom@gmail.com>
10038
10039         PR middle-end/39500
10040         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
10041         dependence if the first conflict is after niter iterations.
10042
10043 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
10044
10045         PR middle-end/38609
10046         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
10047         functions with dynamic stack-pointer adjustments.
10048
10049 2009-03-19  Ben Elliston  <bje@au.ibm.com>
10050
10051         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
10052         option; change to -msdata=data.
10053
10054 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10055
10056         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
10057         and -fopenmp.
10058
10059 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
10060
10061         PR target/35180
10062         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
10063
10064 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
10065
10066         * doc/invoke.texi (Code Gen Options): Expand discussion of
10067         -fno-common.
10068
10069 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
10070
10071         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
10072         * matrix-reorg.c (struct matrix_info): Likewise.
10073         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
10074         * rtl.h (struct mem_attrs): Likewise.
10075         * df.h (struct df): Likewise.
10076         * tree-data-ref.h (struct data_dependence_relation): Likewise.
10077         * ira-int.h (struct ira_allocno): Likewise.
10078         * df-scan.c (struct df_collection_rec): Likewise.
10079         * ira.c (struct equivalence): Likewise.
10080         * function.c (struct temp_slot): Likewise.
10081         * cfgloop.h (struct loop): Likewise.
10082
10083         PR debug/39485
10084         * function.c (use_register_for_decl): When not optimizing, disregard
10085         register keyword for variables with types containing methods.
10086
10087 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
10088
10089         PR middle-end/39447
10090         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
10091         (is_simple_operand): Call contains_component_ref_p before calling data
10092         reference analysis that would fail on COMPONENT_REFs.
10093
10094         * tree-vrp.c (search_for_addr_array): Fix formatting.
10095
10096 2009-03-18  Richard Guenther  <rguenther@suse.de>
10097
10098         * tree-vect-transform.c (vect_loop_versioning): Fold the
10099         generated comparisons.
10100         * tree-vectorizer.c (set_prologue_iterations): Likewise.
10101         (slpeel_tree_peel_loop_to_edge): Likewise.
10102
10103 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10104
10105         PR middle-end/37805
10106         * opts.c (print_specific_help): In addition to `undocumented',
10107         accept `separate' and `joined' flags if passed alone.  Describe
10108         output by the first matched one of those.
10109         (common_handle_option): Skip over empty strings.
10110         * gcc.c (display_help): Fix help string for `--help='.
10111         * doc/invoke.texi (Option Summary, Overall Options): With
10112         `--help=', classes and qualifiers can both be repeated, but
10113         only the latter can be negated.  One should not pass only
10114         negated qualifiers.  Fix markup and examples.
10115
10116         Revert
10117         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
10118         PR middle-end/37805
10119         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
10120         and -fhelp=separate.
10121
10122 2009-03-17  Jing Yu  <jingyu@google.com>
10123
10124         PR middle-end/39378
10125         * function.h (struct rtl_data): Move is_thunk from here...
10126         (struct function): ...to here.
10127         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
10128         * varasm.c (assemble_start_function): Change is_thunk from crtl to
10129         cfun.
10130         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
10131         cfun.
10132         (alpha_does_function_need_gp, alpha_start_function): Likewise.
10133         (alpha_output_function_end_prologue): Likewise.
10134         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
10135         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
10136         (rs6000_output_function_epilogue): Likewise.
10137         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
10138
10139 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
10140
10141         PR target/39482
10142         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
10143         from different units in a single alternative.
10144         (*truncdfsf_i387): Ditto.
10145         (*truncxfsf2_mixed): Ditto.
10146         (*truncxfdf2_mixed): Ditto.
10147
10148 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
10149
10150         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
10151         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
10152
10153         PR debug/39474
10154         * tree-ssa-live.c (remove_unused_locals): Don't remove local
10155         unused non-artificial variables when not optimizing.
10156
10157         PR debug/39471
10158         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
10159         DW_TAG_imported_module even if decl is IMPORTED_DECL with
10160         NAMESPACE_DECL in its DECL_INITIAL.
10161
10162         PR middle-end/39443
10163         * optabs.c (set_user_assembler_libfunc): New function.
10164         * expr.h (set_user_assembler_libfunc): New prototype.
10165         * c-common.c: Include libfuncs.h.
10166         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
10167         for memcmp, memset, memcpy, memmove and abort.
10168         * Makefile.in (c-common.o): Depend on libfuncs.h.
10169
10170         PR debug/39412
10171         * dwarf2out.c (gen_inlined_enumeration_type_die,
10172         gen_inlined_structure_type_die, gen_inlined_union_type_die,
10173         gen_tagged_type_instantiation_die): Removed.
10174         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
10175         do nothing.
10176
10177 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
10178
10179         PR testsuite/38526
10180         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
10181         its use.
10182         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
10183         (check-parallel-%): Ditto.
10184         (check-consistency): Ditto.
10185
10186 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
10187
10188         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
10189         local variable rhs by NULL_TREE.
10190
10191 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10192
10193         PR target/39477
10194         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
10195
10196 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10197
10198         PR target/39476
10199         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
10200
10201 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10202
10203         PR target/39473
10204         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
10205         for ms->sysv ABI calls only in 64bit mode.
10206
10207         * config/i386/i386.md (untyped_call): Support 32bit.
10208
10209 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
10210
10211         * doc/extend.texi: Replace x86_65 with x86_64.
10212
10213 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
10214
10215         PR tree-optimization/39455
10216         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
10217         mismatches for POINTER_TYPE_P (type).
10218         (number_of_iterations_le): Likewise.
10219
10220 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10221
10222         * config/picochip/picochip.c: Removed profiling support.
10223         * config/picochip/picochip.md: Removed profiling instruction.
10224         * config/picochip/picochip.h: Removed profiling builtin.
10225
10226 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
10227
10228         * doc/install.texi (--with-host-libstdcxx): Document.
10229
10230 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
10231
10232         PR target/34299
10233         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
10234         generate a warning if the function name does not begin with
10235         "__vector" and the function has either the 'signal' or 'interrupt'
10236         attribute, from here to ...
10237         (avr_declare_function_name): ...here. New function.
10238         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
10239         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
10240
10241 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
10242
10243         PR bootstrap/39454
10244         * cse.c (fold_rtx): Don't modify original const_arg1 when
10245         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
10246         separate variable instead.
10247         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
10248         from out of range shift counts.
10249         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
10250
10251 2009-03-13  Catherine Moore  <clm@codesourcery.com>
10252
10253         * config/i386/x-mingw32 (host-mingw32.o): Replace
10254         diagnostic.h with $(DIAGNOSTIC_H).
10255
10256 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
10257
10258         PR target/39431
10259         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
10260         predicate.
10261         * config/i386/sync.md (sync_compare_and_swap<mode>,
10262         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
10263         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10264         into a register.
10265         (sync_double_compare_and_swapdi_pic,
10266         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
10267         cmpxchg8b_pic_memory_operand instead of just memory_operand.
10268
10269 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10270
10271         PR target/39445
10272         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
10273
10274 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10275
10276         PR target/39327
10277         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10278         (avx_addsubv4df3): Likewise.
10279         (*avx_addsubv4sf3): Likewise.
10280         (sse3_addsubv4sf3): Likewise.
10281
10282 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10283
10284         PR target/38824
10285         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
10286
10287 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10288
10289         PR debug/39432
10290         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
10291         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
10292         registers for allocnos created from user-defined variables.
10293
10294 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10295
10296         PR target/39181
10297         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
10298         of non-integer mode as well.
10299
10300 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
10301
10302         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
10303         for functions for which the parameter types are unknown.
10304
10305 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
10306
10307         PR target/39137
10308         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
10309         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
10310         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
10311         * config/i386/i386.c (ix86_local_alignment): For
10312         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10313         long long variables on the stack to avoid dynamic realignment.
10314         Allow the first argument to be a decl rather than type.
10315         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
10316
10317 2009-03-11  Nick Clifton  <nickc@redhat.com>
10318
10319         PR target/5362
10320         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
10321         options.
10322         Add description to mno-lsim option.
10323         * config/mcore/mcore.h: Remove comment about deprecated m4align
10324         option.
10325         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10326         * doc/invoke.texi: Add description of mno-lsim and
10327         mstack-increment options.
10328
10329         * config/fr30/fr30.opt: Document the -mno-lsim option.
10330         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
10331         and -mno-lsim options.
10332
10333 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10334
10335         * fold-const.c (fold_comparison): Only call fold_inf_compare
10336         if the mode supports infinities.
10337
10338 2009-03-11  Jason Merrill  <jason@redhat.com>
10339
10340         PR debug/39086
10341         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10342         end already did.  Notice GIMPLE_CALL modifications of the result.
10343         Don't copy debug information from an ignored decl or a decl from
10344         another function.
10345
10346 2009-03-10  Richard Guenther  <rguenther@suse.de>
10347             Nathan Froyd  <froydnj@codesourcery.com>
10348
10349         PR middle-end/37850
10350         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
10351         (__divMODE3): Likewise.
10352
10353 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
10354
10355         PR tree-optimization/39394
10356         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
10357         DECL_SIZE_UNIT of variable length FIELD_DECLs.
10358
10359 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10360
10361         * recog.c (verfiy_changes): Disallow renaming of hard regs in
10362         inline asms for register asm ("") declarations.
10363
10364 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10365
10366         * fold-const.c (fold_unary): Fix comment.
10367
10368 2009-03-07  Jan Hubicka  <jh@suse.cz>
10369
10370         PR target/39361
10371         * tree-inline.c (setup_one_parameter): Do replacement of const
10372         argument by constant in SSA form.
10373
10374 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10375
10376         PR middle-end/38028
10377         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
10378         determine alignment passed to assign_stack_local.
10379         (assign_parms_unsplit_complex): Likewise.
10380         * except.c (sjlj_build_landing_pads): Likewise.
10381
10382 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10383
10384         PR middle-end/39360
10385         * tree-flow.h (add_referenced_var): Return bool instead of void.
10386         * tree-dfa.c (add_referenced_var): Return result of
10387         referenced_var_check_and_insert call.
10388         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
10389         of referenced_var_check_and_insert.
10390
10391         PR debug/39372
10392         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
10393         (gen_variable_die): Emit DW_AT_location on abstract static variable's
10394         DIE, don't emit it if abstract origin already has it.
10395         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
10396         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
10397
10398 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10399
10400         * genpreds.c (needs_variable): Fix parentheses at variable name
10401         detection.
10402         (write_tm_constrs_h): Indent generated code.
10403
10404 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10405
10406         * doc/extend.texi (Function Attributes): Add documentation
10407         for isr attributes.
10408
10409 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10410
10411         PR debug/39387
10412         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
10413         take locus from its DECL_SOURCE_LOCATION instead of input_location.
10414
10415 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10416
10417         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
10418         the loop as bad.
10419
10420 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
10421
10422         PR debug/39379
10423         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10424         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
10425
10426 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
10427
10428         * config/i386/i386.md (R8_REG, R9_REG): New constants.
10429         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
10430         constants instead of magic numbers.
10431         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
10432         (QI_REG_P): Ditto.
10433         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
10434         (x86_64_ms_abi_int_parameter_registers): Ditto.
10435         (x86_64_int_return_registers): Ditto.
10436         (ix86_maybe_switch_abi): Ditto.
10437         (ix86_expand_call): Ditto for clobbered_registers array.
10438         (ix86_hard_regno_mode_ok): Ditto.
10439         (x86_extended_QIreg_mentioned_p): Ditto.
10440
10441 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
10442
10443         PR tree-optimization/39349
10444         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
10445
10446         * combine.c (gen_lowpart_for_combine): Use omode when generating
10447         clobber.
10448
10449 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
10450
10451         PR rtl-optimization/39235
10452         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
10453
10454 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10455
10456         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10457
10458 2009-03-04  Richard Guenther  <rguenther@suse.de>
10459
10460         PR tree-optimization/39362
10461         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
10462         that occur in abnormal PHIs should be varying.
10463
10464 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10465
10466         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
10467         Extend comments.
10468         (simple_iv):  Take loop as an argument instead of statement.
10469         * tree-scalar-evolution.h (simple_iv): Declaration changed.
10470         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
10471         to simple_iv.
10472         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
10473         Ditto.
10474         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
10475         * matrix-reorg.c (analyze_transpose): Ditto.
10476         * tree-data-ref.c (dr_analyze_innermost): Ditto.
10477         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10478         * tree-predcom.c (ref_at_iteration): Ditto.
10479         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
10480
10481 2009-03-04  Richard Guenther  <rguenther@suse.de>
10482
10483         PR tree-optimization/39358
10484         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
10485         escaped_id and callused_id.
10486         (solve_graph): Likewise.
10487
10488 2009-03-04  Richard Guenther  <rguenther@suse.de>
10489
10490         PR tree-optimization/39339
10491         * tree-sra.c (try_instantiate_multiple_fields): Make it
10492         no longer ICE on the above.
10493
10494 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
10495
10496         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
10497         that fits within Pmode.
10498
10499 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10500
10501         PR middle-end/10109
10502         * tm.texi (LIBCALL_VALUE): Update description.
10503
10504 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10505
10506         PR middle-end/34443
10507         * doc/extend.texi (section): Update description.
10508
10509 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
10510
10511         PR middle-end/39345
10512         * tree-inline.c (remapped_type): New.
10513         (can_be_nonlocal): Call remapped_type instead of remap_type.
10514
10515 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10516
10517         PR fortran/39354
10518         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
10519         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
10520
10521 2009-03-03  Richard Guenther  <rguenther@suse.de>
10522
10523         PR middle-end/39272
10524         * tree.c (tree_nonartificial_location): New function.
10525         * tree.h (tree_nonartificial_location): Declare.
10526         * builtins.c (expand_builtin_memory_chk): Provide location
10527         of the call location for artificial function pieces.
10528         (maybe_emit_chk_warning): Likewise.
10529         (maybe_emit_sprintf_chk_warning): Likewise.
10530         (maybe_emit_free_warning): Likewise.
10531         * expr.c (expand_expr_real_1): Likewise.
10532
10533 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10534
10535         PR tree-optimization/39343
10536         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10537         COMPONENT_REF t has ARRAY_TYPE.
10538
10539 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10540
10541         PR middle-end/39335
10542         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10543         when the type precision of the induction variable should be
10544         larger than the type precision of nit.
10545         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10546         * graphite.c (graphite_loop_normal_form): Same.
10547         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10548
10549 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10550
10551         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10552         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10553         numbers to describe clobbered registers.
10554         (*call_value_0_rex64_ms_sysv): Ditto.
10555         * config/i386/mmx.md (mmx_emms): Ditto.
10556         (mmx_femms): Ditto.
10557
10558 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10559
10560         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10561         of ABI_64.
10562
10563 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10564
10565         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10566         (spu_section_type_flags): New function.
10567
10568 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10569
10570         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10571         reg_class_contents of FLOAT_REGS into a temporary.
10572
10573 2009-03-02  Richard Guenther  <rguenther@suse.de>
10574             Ira Rosen  <irar@il.ibm.com>
10575
10576         PR tree-optimization/39318
10577         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10578         information to the vectorized statement.
10579
10580 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10581
10582         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10583         variable.  Use defined names instead of magic constants for REX SSE
10584         registers.
10585
10586 2009-03-01  Richard Guenther  <rguenther@suse.de>
10587
10588         PR tree-optimization/39331
10589         * omp-low.c (lower_send_shared_vars): Do not receive new
10590         values for the reference of DECL_BY_REFERENCE parms or results.
10591
10592 2009-03-01  Jan Hubicka  <jh@suse.cz>
10593
10594         PR debug/39267
10595         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10596         BLOCK_NONLOCALIZED_VAR): New macros.
10597         (tree_block): Add nonlocalized_vars.
10598         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10599         gen_decl_die): Add origin argument.  Allow generation of die with
10600         origin at hand only.
10601         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10602         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10603         of gen_*.
10604         (gen_block_die): Fix checking for unused blocks.
10605         (process_scope_var): Break out from .... ; work with origins only.
10606         (decls_for_scope) ... here; process nonlocalized list.
10607         (dwarf2out_ignore_block): Look for nonlocalized vars.
10608         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10609         vars.
10610         (dump_scope_block): Dump them.
10611         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10612         (remap_block): Likewise.
10613         (can_be_nonlocal): New predicate.
10614         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10615
10616 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10617
10618         * configure: Regenerate.
10619
10620 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10621
10622         * optc-gen.awk: No need to duplicate option flags twice.
10623         Reuse help texts for duplicate options which do not have any.
10624
10625         * gcc.c (display_help): Document --version.
10626
10627         * gcc.c (main): If print_help_list and verbose_flag, ensure
10628         driver output comes before subprocess output.
10629
10630         * optc-gen.awk: Assign all remaining fields to help string,
10631         space-separated, for multi-line help in *.opt.
10632
10633         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10634         -Wno-pedantic-ms-format is for MinGW targets only.
10635
10636         * doc/options.texi (Option file format): Fix bad indentation,
10637         restoring dropped sentence.
10638
10639 2009-02-28  Jan Hubicka  <jh@suse.cz>
10640
10641         * tree-inline.c (tree_function_versioning): Output debug info.
10642
10643 2009-02-28  Jan Hubicka  <jh@suse.cz>
10644
10645         PR debug/39267
10646         * tree-inline.c (setup_one_parameter): Do not copy propagate
10647         arguments when not optimizing.
10648
10649 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10650
10651         PR target/39327
10652         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10653         (avx_addsubv4df3): Likewise.
10654         (*avx_addsubv4sf3): Likewise.
10655         (sse3_addsubv4sf3): Likewise.
10656         (*avx_addsubv2df3): Likewise.
10657         (sse3_addsubv2df3): Likewise.
10658         (avx_unpckhps256): Correct item selectors.
10659         (avx_unpcklps256): Likewise.
10660         (avx_unpckhpd256): Likewise.
10661         (avx_unpcklpd256): Likewise.
10662
10663 2009-02-28  Jan Hubicka  <jh@suse.cz>
10664
10665         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10666         static vars.
10667         (copy_arguments_for_versioning): If var is declared don't declare it.
10668         (tree_function_versioning): First setup substitutions and then copy
10669         args.
10670
10671 2009-02-27  Jan Hubicka  <jh@suse.cz>
10672
10673         PR debug/39267
10674         * cgraph.h (varpool_output_debug_info): Remove.
10675         * cgraphunit.c (varpool_output_debug_info): Remove.
10676         * dwarf2out.c (deferred_locations_struct): New struct
10677         (deferred_locations): New type.
10678         (deferred_locations_list): New static var.
10679         (deffer_location): New function.
10680         (gen_variable_die): Use it.
10681         (decls_for_scope): Output info on local static vars.
10682         (dwarf2out_finish): Process deferred locations.
10683         * varpool.c (varpool_output_debug_info): Remove.
10684
10685 2009-02-27  Jan Hubicka  <jh@suse.cz>
10686
10687         PR debug/39267
10688         * tree.h (TREE_PROTECTED): Fix comment.
10689         (BLOCK_HANDLER_BLOCK): Remove.
10690         (struct tree_block): Remove handler_block add body_block.
10691         (inlined_function_outer_scope_p): New.
10692         (is_body_block): Remove.
10693         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10694         * dwarf2out.c (is_inlined_entry_point): Remove.
10695         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10696         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10697         code.
10698         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10699         * gimplify.c (gimplify_expr): Gimplify body blocks.
10700         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10701         block with multiple subblocks.
10702         (dump_scope_block): Prettier output; dump more flags and info.
10703         (dump_scope_blocks): New.
10704         (remove_unused_locals): Use dump_scope_blocks.
10705         * tree-flow.h (dump_scope_blocks): Declare.
10706         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10707         * stmt.c (is_body_block): Remove.
10708         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10709         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10710
10711 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10712
10713         PR middle-end/39308
10714         * graphite.c (graphite_loop_normal_form): Do not call
10715         number_of_iterations_exit from a gcc_assert.
10716
10717 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10718
10719         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10720         jumps if COND is NULL.
10721         (find_cond_jump): New function.
10722         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10723         * config/s390/s390.md: Remove z10_cobra attribute value.
10724
10725 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10726
10727         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10728         force_const_mem returns NULL_RTX.
10729
10730 2009-02-26  Jan Hubicka  <jh@suse.cz>
10731
10732         PR debug/39267
10733         * cgraph.h (varpool_output_debug_info): Remove.
10734         * cgraphunit.c (varpool_output_debug_info): Remove.
10735         * dwarf2out.c (deferred_locations_struct): New struct
10736         (deferred_locations): New type.
10737         (deferred_locations_list): New static var.
10738         (deffer_location): New function.
10739         (gen_variable_die): Use it.
10740         (decls_for_scope): Output info on local static vars.
10741         (dwarf2out_finish): Process deferred locations.
10742         * varpool.c (varpool_output_debug_info): Remove.
10743
10744 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10745
10746         PR rtl-optimization/39241
10747         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10748         to subreg_offset_representable_p.
10749
10750 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10751
10752         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10753         execute function prototype.  Get f and nregs from max_reg_num
10754         and get_insns.  Remove the first backward pass as it's dead,
10755         guard the forward pass by flag_expensive_optimizations.
10756         (rest_of_handle_regmove): Delete.
10757         (pass_regmove): Replace it with regmove_optimize.
10758
10759 2009-02-25  Martin Jambor  <mjambor@suse.cz>
10760
10761         PR tree-optimization/39259
10762         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
10763         calls_alloca function flags.
10764         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10765         calls are detected.
10766
10767 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10768
10769         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
10770         flags_set_1_rtx, flags_set_1_set): Delete.
10771         (regmove_optimize): Do not call mark_flags_life_zones.
10772
10773 2009-02-24  Julian Brown  <julian@codesourcery.com>
10774
10775         PR target/35965
10776         * config/arm/arm.c (require_pic_register): Only set
10777         cfun->machine->pic_reg once per function.
10778
10779 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10780
10781         * doc/invoke.texi (Link Options): Document an easier way to pass
10782         options that take arguments to the GNU linker using -Xlinker and -Wl.
10783
10784 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10785
10786         PR target/33785
10787         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10788
10789 2009-02-24  Richard Guenther  <rguenther@suse.de>
10790
10791         PR debug/39285
10792         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10793
10794 2009-02-24  Richard Guenther  <rguenther@suse.de>
10795             Zdenek Dvorak  <ook@ucw.cz>
10796
10797         PR tree-optimization/39233
10798         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10799         from converting them to a generic type.
10800
10801 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10802
10803         PR tree-optimization/39260
10804         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10805         contains a condition with a real type.
10806         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10807
10808 2009-02-23  Jason Merrill  <jason@redhat.com>
10809
10810         PR c++/38880
10811         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10812         narrowing_initializer_constant_valid_p.
10813         (narrowing_initializer_constant_valid_p): Don't return
10814         null_pointer_node for adding a pointer to itself.
10815
10816 2009-02-23  Jan Hubicka  <jh@suse.cz>
10817
10818         PR c/12245
10819         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10820         resizing.
10821
10822 2009-02-23  Jan Hubicka  <jh@suse.cz>
10823
10824         PR tree-optimization/37709
10825         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10826         * tree.h (block_ultimate_origin): Declare.
10827         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10828         * tree-ssa-live.c (remove_unused_scope_block_p):
10829         Eliminate blocks containig no instructions nor live variables nor
10830         nested blocks.
10831         (dump_scope_block): New function.
10832         (remove_unused_locals): Enable removal of dead blocks by default;
10833         enable dumping at TDF_DETAILS.
10834
10835 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10836
10837         * config/i386/i386.c (classify_argument): Don't allow COImode
10838         and OImode.
10839         (function_arg_advance_32): Don't allow OImode.
10840         (function_arg_32): Likewise.
10841         (function_value_32): Likewise.
10842         (return_in_memory_32): Likewise.
10843         (function_arg_64): Remove OImode comment.
10844
10845 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10846
10847         PR target/39261
10848         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10849         ix86_expand_vector_set for V4DImode in 64bit mode only.
10850         (ix86_expand_vector_init_one_var): Likewise.
10851
10852 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10853
10854         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10855
10856 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10857
10858         PR bootstrap/39257
10859         * loop-iv.c: Revert last change.
10860         * emit-rtl.c: Likewise.
10861
10862 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10863
10864         PR target/39256
10865         * config/i386/i386.c (type_natural_mode): Remove an extra
10866         space in the warning message.
10867         (function_value_32): Handle 32-byte vector modes.
10868         (return_in_memory_32): Likewise.
10869
10870 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10871
10872         * loop-iv.c (truncate_value): New function.
10873         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10874         of lowpart_subreg.
10875         (lowpart_subreg): Move to...
10876         * emit-rtl.c: ...here.
10877
10878 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10879
10880         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10881         accidental and undocumented change at revision 140860.
10882
10883 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10884
10885         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10886         take gimple_seq * arguments.
10887         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10888         types_compatible_p langhook.
10889
10890 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10891             Joseph Myers  <joseph@codesourcery.com>
10892
10893         * config/arm/arm.c (arm_builtin_va_list): New function.
10894         (arm_expand_builtin_va_start): Likewise.
10895         (arm_gimplify_va_arg_expr): Likewise.
10896         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10897         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10898         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10899         (va_list_type): New variable.
10900         (arm_mangle_type): Mangle va_list_type appropriately.
10901
10902 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10903
10904         PR middle-end/39157
10905         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10906         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10907         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10908         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10909         parameter to 1000 for -O1 by default.
10910         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10911         parameter.
10912         * loop-invariant.c: Include params.h.
10913         (move_loop_invariants): Don't call move_single_loop_invariants on
10914         very large loops.
10915
10916 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10917
10918         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10919         offset when calculating bounds for indexing stack_usage_map.  Fixes
10920         a buffer overflow with certain target setups.
10921
10922 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10923
10924         PR target/39240
10925         * calls.c (expand_call): Clear try_tail_call if caller and callee
10926         disagree in promotion of function return value.
10927
10928 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10929
10930         PR target/39175
10931         * c-common.c (c_determine_visibility): If visibility changed and
10932         DECL_RTL has been already set, call make_decl_rtl to update symbol
10933         flags.
10934
10935 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10936
10937         PR c++/39188
10938         * varasm.c (assemble_variable): Don't check DECL_NAME when
10939         globalizing a variable.
10940
10941 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10942
10943         PR c/38483
10944         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10945         expression before any __builtin_trap call.
10946         * c-typeck.c (build_function_call): Convert and check function
10947         arguments before generating a call to a trap.  Evaluate the
10948         function arguments before the trap.
10949
10950 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10951
10952         PR target/39228
10953         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10954         (UNSPEC_FXAM_MEM): New unspec.
10955         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10956         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10957         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10958
10959 2009-02-19  Richard Guenther  <rguenther@suse.de>
10960
10961         PR tree-optimization/39207
10962         PR tree-optimization/39074
10963         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10964         storedanything_tree): New.
10965         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10966         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10967         (build_succ_graph): Add edges from STOREDANYTHING to all
10968         non-direct nodes.
10969         (init_base_vars): Initialize STOREDANYTHING.
10970         (compute_points_to_sets): Free substitution info after
10971         building the succ graph.
10972         (ipa_pta_execute): Likewise.
10973
10974         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10975         field.
10976         (do_ds_constraint): Do not add to special var or non-pointer
10977         field solutions.
10978         (type_could_have_pointers): Split out from ...
10979         (could_have_pointers): ... here.  For arrays use the element type.
10980         (create_variable_info_for): Initialize may_have_pointers.
10981         (new_var_info): Likewise.
10982         (handle_lhs_call): Make the HEAP variable unknown-sized.
10983         (intra_create_variable_infos): Use a type with pointers for
10984         PARM_NOALIAS, make it unknown-sized.
10985
10986 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10987
10988         PR target/39224
10989         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10990
10991 2009-02-18  Jason Merrill  <jason@redhat.com>
10992
10993         PR target/39179
10994         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10995         value if DECL_EXTERNAL.
10996         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10997         * target.h (gcc_target::binds_local_p): Clarify "module".
10998         * tree.h (TREE_PUBLIC): Clarify "module".
10999
11000 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
11001
11002         PR target/38891
11003         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
11004         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
11005
11006 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
11007
11008         PR target/39082
11009         * c.opt (Wabi): Support C and ObjC.
11010         (Wpsabi): New.
11011
11012         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
11013
11014         * config/i386/i386.c (classify_argument): Warn once about the ABI
11015         change when passing union with long double.
11016
11017         * doc/invoke.texi: Update -Wabi for warning psABI changes.
11018
11019 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
11020
11021         PR c/35447
11022         * c-parser.c (c_parser_compound_statement): Always enter and leave
11023         a scope.
11024
11025 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11026
11027         PR target/34587
11028         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
11029
11030 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
11031
11032         PR tree-optimization/36922
11033         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
11034         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
11035         Likewise.
11036
11037 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11038
11039         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
11040         to 0 for EABI64.
11041
11042 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11043
11044         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
11045
11046 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
11047
11048         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
11049         tree sharing.
11050
11051 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
11052             Richard Sandiford  <rdsandiford@googlemail.com>
11053
11054         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
11055         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
11056         (loongson_biadd): ...this.
11057
11058 2009-02-17  Richard Guenther  <rguenther@suse.de>
11059
11060         PR tree-optimization/39202
11061         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
11062         a var make sure to follow existing collapses.
11063
11064 2009-02-17  Richard Guenther  <rguenther@suse.de>
11065
11066         PR middle-end/39214
11067         * langhooks.c (lhd_print_error_function): Check for NULL block.
11068
11069 2009-02-17  Richard Guenther  <rguenther@suse.de>
11070
11071         PR tree-optimization/39204
11072         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
11073         of the PHI arg.
11074
11075 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
11076
11077         * config/soft-fp/double.h: Update from glibc CVS.
11078
11079 2009-02-17  Richard Guenther  <rguenther@suse.de>
11080
11081         PR tree-optimization/39207
11082         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
11083         strict-aliasing warnings for pointers pointing to NULL.
11084
11085 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
11086
11087         PR c/35446
11088         * c-parser.c (c_parser_braced_init): Call pop_init_level when
11089         skipping until next close brace.
11090
11091 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
11092
11093         PR target/37049
11094         * config/i386/i386.c (ix86_expand_push): Set memory alignment
11095         to function argument boundary.
11096
11097 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11098
11099         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
11100         in the lea_add. Reload eventually constraints it properly.
11101         * config/picochip/constraints.md: Remove the target constraint
11102         "b", since it is not needed anymore.
11103
11104 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
11105
11106         * gthr-dce.h: Uglify function parameter and local variable names.
11107         * gthr-gnat.h: Likewise.
11108         * gthr-mipssde.h: Likewise.
11109         * gthr-nks.h: Likewise.
11110         * gthr-posix95.h: Likewise.
11111         * gthr-posix.h: Likewise.
11112         * gthr-rtems.h: Likewise.
11113         * gthr-single.h: Likewise.
11114         * gthr-solaris.h: Likewise.
11115         * gthr-tpf.h: Likewise.
11116         * gthr-vxworks.h: Likewise.
11117         * gthr-win32.h: Likewise.
11118
11119 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
11120
11121         PR target/39196
11122         * config/i386/i386.md: Restrict the new peephole2 to move
11123         between MMX/SSE registers.
11124
11125 2009-02-15  Richard Guenther  <rguenther@suse.de>
11126
11127         Revert
11128         2009-02-13  Richard Guenther  <rguenther@suse.de>
11129
11130         * configure.ac: Enable LFS.
11131         * configure: Re-generate.
11132         * config.in: Likewise.
11133
11134 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11135
11136         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
11137         spu_srqwbyte, spu_srqwbytebc): Define.
11138         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
11139         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
11140         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
11141         "shrqby_<mode>"): New insn-and-split patterns.
11142         * config/spu/spu.c (expand_builtin_args): Determine and return
11143         number of operands using spu_builtin_description data.
11144         (spu_expand_builtin_1): Use it.
11145
11146 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
11147
11148         PR target/38056
11149         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
11150         TARGET_CONST_GP.
11151
11152 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11153
11154         PR target/39149
11155         * config/i386/i386.c (override_options): Correct warning
11156         messages for -malign-loops, -malign-jumps and -malign-functions.
11157
11158 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11159
11160         PR target/39152
11161         * config/i386/i386.md: Restrict the new peephole2 to move
11162         between the general purpose registers.
11163
11164 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
11165
11166         PR target/39162
11167         * config/i386/i386.c (type_natural_mode): Add a new argument.
11168         Return the original mode and warn ABI change if vector size is 32byte.
11169         (function_arg_advance): Updated.
11170         (function_arg): Likewise.
11171         (ix86_function_value): Likewise.
11172         (ix86_return_in_memory): Likewise.
11173         (ix86_sol10_return_in_memory): Likewise.
11174         (ix86_gimplify_va_arg): Likewise.
11175         (function_arg_32): Don't warn ABX ABI change here.
11176         (function_arg_64): Likewise.
11177
11178 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
11179
11180         * loop-iv.c (implies_p): In the final case, test that operands 0
11181         of the two comparisons match.
11182
11183         * config/bfin/bfin.c (find_prev_insn_start): New function.
11184         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
11185         (find_next_insn_start): Move.
11186
11187 2009-02-13  Richard Guenther  <rguenther@suse.de>
11188
11189         * configure.ac: Enable LFS.
11190         * configure: Re-generate.
11191         * config.in: Likewise.
11192
11193 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
11194
11195         PR c/35444
11196         * c-parser.c (c_parser_parms_list_declarator): Discard pending
11197         sizes on syntax error after some arguments have been parsed.
11198
11199 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11200
11201         * doc/invoke.texi (-fira): Remove.
11202
11203 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11204
11205         * caller-save.c: Replace regclass.c with reginfo.c in comments.
11206         * recog.c: Likewise.
11207         * rtl.h: Likewise.
11208
11209 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
11210
11211         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
11212         (umul_ppmm): Likewise.
11213         (count_leading_zeros): Likewise.
11214         (count_trailing_zeros): Likewise.
11215         (UMUL_TIME): Likewise.
11216
11217 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11218
11219         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
11220         soft-fp/t-softfp to tmake_file.
11221
11222         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
11223         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
11224         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
11225         IA64_BUILTIN_INFQ]: New.
11226         (ia64_init_builtins): Initialize __builtin_infq,
11227         __builtin_fabsq and __builtin_copysignq if not HPUX.
11228         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
11229         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
11230
11231         * config/ia64/lib1funcs.asm (__divtf3): Define only if
11232         SHARED is defined.
11233         (__fixtfti): Likewise.
11234         (__fixunstfti): Likewise.
11235         (__floattitf): Likewise.
11236
11237         * config/ia64/libgcc-glibc.ver: New.
11238         * config/ia64/t-fprules-softfp: Likewise.
11239         * config/ia64/sfp-machine.h: Likewise.
11240
11241         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
11242         (LIBGCC2_TF_CEXT): Likewise.
11243         (TF_SIZE): Likewise.
11244         (TARGET_INIT_LIBFUNCS): Likewise.
11245
11246         * config/ia64/t-glibc (SHLINB_MAPFILES):
11247         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
11248
11249 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11250
11251         * config/i386/i386.c (construct_container): Rewrite processing
11252         BLKmode with X86_64_SSE_CLASS.
11253
11254 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
11255
11256         PR target/39152
11257         * config/i386/i386.md: Replace simplify_replace_rtx with
11258         replace_rtx in the new peephole2.
11259
11260 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
11261
11262         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
11263         loop unrolling do not happen at -O2.
11264
11265 2009-02-12  Michael Matz  <matz@suse.de>
11266
11267         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
11268
11269 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11270
11271         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
11272         for -g3.
11273
11274 2009-02-12  Ben Elliston  <bje@au.ibm.com>
11275
11276         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
11277         patterns when updating the back chain.  Missed in the 2009-02-10
11278         change.
11279
11280 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
11281
11282         * doc/extend.texi (Decimal Floating Types): Update identifier of
11283         draft TR and list of missing support.
11284
11285 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
11286
11287         PR middle-end/39154
11288         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
11289         bit to variable length decl's flags, add it also to its
11290         pointer replacement variable.
11291
11292 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
11293             Jakub Jelinek  <jakub@redhat.com>
11294
11295         PR target/39118
11296         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
11297         (memory_blockage): New expander.
11298         (*memory_blockage): New insn pattern.
11299         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
11300         instead of general blockage at the end of function prologue when
11301         frame pointer is used to access red zone area.  Do not emit blockage
11302         when profiling, it is emitted in generic code.
11303         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
11304         function epilogue when frame pointer is used to access red zone area.
11305
11306 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
11307
11308         PR target/38824
11309         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
11310         by arithmetic with memory operands.
11311         * config/i386/predicates.md (commutative_operator): New.
11312
11313 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
11314
11315         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
11316         bulleted lists.
11317
11318 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11319
11320         * alias.h (record_alias_subset): Declare.
11321         * alias.c (record_alias_subset): Make global.
11322
11323 2009-02-10  Nick Clifton  <nickc@redhat.com>
11324
11325         * tree-parloops.c: Change license to GPLv3.
11326         * ipa-struct-reorg.c: Change license to GPLv3.
11327         * ipa-struct-reorg.h: Change license to GPLv3.
11328
11329 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
11330
11331         PR c/39084
11332         * c-decl.c (start_struct): Return NULL on error.
11333
11334 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
11335
11336         PR middle-end/39124
11337         * cfgloopmanip.c (remove_path): Call remove_bbs after
11338         cancel_loop_tree, not before it.
11339
11340         PR target/39139
11341         * function.h (struct function): Add has_local_explicit_reg_vars bit.
11342         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
11343         VAR_DECLs were seen.
11344         * tree-ssa-live.c (remove_unused_locals): Recompute
11345         cfun->has_local_explicit_reg_vars.
11346         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
11347         copies or clearings if cfun->has_local_explicit_reg_vars.
11348
11349 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
11350
11351         PR target/39118
11352         * config/i386/i386.c (expand_prologue): Emit blockage at the end
11353         of function prologue when frame pointer is used to access
11354         red zone area.
11355
11356 2009-02-10  Richard Guenther  <rguenther@suse.de>
11357
11358         PR middle-end/39127
11359         * gimplify.c (gimple_regimplify_operands): Always look if
11360         we need to create a temporary.
11361
11362 2009-02-10  Richard Guenther  <rguenther@suse.de>
11363
11364         PR tree-optimization/39132
11365         * tree-loop-distribution.c (todo): New global var.
11366         (generate_memset_zero): Trigger TODO_rebuild_alias.
11367         (tree_loop_distribution): Return todo.
11368
11369 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
11370
11371         PR target/39119
11372         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
11373         (x86_64_reg_class_name): Removed.
11374         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
11375         first one isn't X86_64_SSE_CLASS or any other ones aren't
11376         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
11377         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
11378         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
11379         and 3 X86_64_SSEUP_CLASS.
11380         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
11381         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
11382
11383 2009-02-10  Ben Elliston  <bje@au.ibm.com>
11384
11385         * config/rs6000/rs6000.md (allocate_stack): Always use an update
11386         form instruction to update the stack back chain word, even if the
11387         user has disabled the generation of update instructions.
11388         (movdi_<mode>_update_stack): New.
11389         (movsi_update_stack): Likewise.
11390         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
11391         always use an update form instruction to update the stack back
11392         chain word.
11393
11394 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
11395
11396         PR middle-end/38953
11397         * graphite.c (if_region_set_false_region): After moving a region in
11398         the false branch of a condition, remove the empty dummy basic block.
11399         (gloog): Remove wrong fix for PR38953.
11400
11401 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11402
11403         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
11404         generation due to implicit sign extension.
11405
11406 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
11407
11408         PR middle-end/38981
11409         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
11410         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
11411
11412 2009-02-09  Richard Guenther  <rguenther@suse.de>
11413
11414         PR middle-end/35202
11415         * convert.c (convert_to_real): Disable (float)fn((double)x)
11416         to fnf(x) conversion if errno differences may occur and
11417         -fmath-errno is set.
11418
11419 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
11420
11421         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
11422         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11423         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11424
11425 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11426
11427         PR c/35434
11428         * c-common.c (handle_alias_attribute): Disallow attribute for
11429         anything not a FUNCTION_DECL or VAR_DECL.
11430
11431 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
11432
11433         PR c/39035
11434         * real.c (do_compare): Special-case compare of zero against
11435         decimal float value.
11436
11437 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11438
11439         PR c/36432
11440         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
11441         as indicating flexible array members unless the field itself is
11442         being declarared as the incomplete array.
11443
11444 2009-02-06  Jan Hubicka  <jh@suse.cz>
11445
11446         PR tree-optimization/38844
11447         * ipa-inline.c (try_inline): Stop inlining recursion when edge
11448         is already inlined.
11449
11450 2009-02-06  Richard Guenther  <rguenther@suse.de>
11451
11452         PR middle-end/38977
11453         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
11454         fork because we may expand it as __gcov_fork.
11455
11456 2009-02-06  Nick Clifton  <nickc@redhat.com>
11457
11458         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
11459
11460 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
11461
11462         PR tree-optimization/35659
11463         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
11464         vn_phi_eq): Shortcut if hashcode does not match.
11465         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
11466         NULL operands.
11467         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
11468         and avoid iterative_hash_expr.
11469         (FOR_EACH_VALUE_ID_IN_SET): New.
11470         (value_id_compare): Remove.
11471         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
11472         sort expressions by value id.
11473
11474 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
11475
11476         PR target/38991
11477         * config/sh/predicates.md (general_movsrc_operand): Don't check
11478         the subreg of system registers here.
11479
11480 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
11481
11482         PR c++/39106
11483         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
11484         on the copied decl.
11485
11486 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
11487
11488         PR rtl-optimization/39110
11489         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
11490         addresses, not aligned ones.
11491
11492 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
11493             Richard Guenther  <rguenther@suse.de>
11494
11495         PR tree-optimization/39100
11496         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
11497         comment says and add edges.
11498
11499 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
11500
11501         PR c/35435
11502         * c-common.c (handle_tls_model_attribute): Ignore attribute for
11503         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
11504
11505 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
11506
11507         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
11508         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
11509         register_bb_in_sese, new_sese, free_sese): Moved.
11510         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
11511         outermost_loop_in_scop, build_scop_iteration_domain,
11512         expand_scalar_variables_ssa_name, get_vdef_before_scop,
11513         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
11514         Use loop_in_sese_p instead of loop_in_scop_p.
11515         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
11516         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
11517         (scopdet_basic_block_info): Fix bug in scop detection.
11518         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
11519         eq_loop_to_cloog_loop): Remove.
11520         (nb_loops_around_loop_in_scop, nb_loop
11521         ref_nb_loops): Moved here...
11522         * graphite.h (ref_nb_loops): ... from here.
11523         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11524         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11525         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11526         * testsuite/gcc.dg/graphite/scop-19.c: New
11527
11528 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11529             Hans-Peter Nilsson  <hp@axis.com>
11530
11531         PR rtl-optimization/37889
11532         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11533         Move offset handling from PLUS to before the switch.  Use new
11534         arguments when considering SYMBOL_REFs too.
11535         (rtx_addr_can_trap_p): Pass dummy offset and size.
11536         (enum may_trap_p_flags): Remove.
11537         (may_trap_p_1): Pass size from MEM_SIZE.
11538
11539         PR rtl-optimization/38921
11540         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11541         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11542         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11543         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11544
11545 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11546
11547         AVX Programming Reference (January, 2009)
11548         * config/i386/sse.md (*vpclmulqdq): New.
11549
11550 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11551
11552         PR tree-optimization/38977
11553         PR gcov-profile/38292
11554         * calls.c (special_function_p): Disregard __builtin_ prefix.
11555
11556 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11557
11558         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11559         non-indexable addresses even before reload.
11560
11561 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11562
11563         PR c/29129
11564         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11565         as having variable size.  Do not give an error for unnamed
11566         parameters with [*] declarators.  Give a warning for type names
11567         with [*] declarators and mark them as variable size.
11568         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11569         for sizeof applied to [*] type names.
11570
11571 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11572
11573         PR C++/36607
11574         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11575
11576 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11577
11578         * gcc.c (process_command): Update copyright notice dates.
11579         * gcov.c (print_version): Likewise.
11580         * gcov-dump.c (print_version): Likewise.
11581         * mips-tfile.c (main): Likewise.
11582         * mips-tdump.c (main): Likewise.
11583
11584 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11585
11586         PR c/35433
11587         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11588         for composite type involving a zero-length array type.
11589
11590 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11591
11592         PR target/35318
11593         * function.c (match_asm_constraints_1): Skip over
11594         initial optional % in the constraint.
11595
11596         PR inline-asm/39059
11597         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11598         supported, don't accept FIXED_CSTs.
11599         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11600         and _Sat is used without _Fract/_Accum.  Set specs->type to
11601         integer_type_node for cts_fract/cts_accum if fixed point is not
11602         supported.
11603
11604 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11605
11606         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11607
11608 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11609
11610         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11611         (ABI_HAS_64BIT_SYMBOLS): Use it.
11612         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11613
11614 2009-02-02  Paul Brook  <paul@codesourcery.com>
11615
11616         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11617
11618 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11619
11620         PR inline-asm/39058
11621         * recog.h (asm_operand_ok): Add constraints argument.
11622         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11623         recurse on matching constraint.
11624         (check_asm_operands): Pass constraints as 3rd argument to
11625         asm_operand_ok.  Don't look up matching constraint here.
11626         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11627         to asm_operand_ok.
11628
11629 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11630
11631         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11632         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11633
11634 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11635
11636         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11637         information.  Remove some obsolete information.  Reorganize.
11638
11639         * config/pa/fptr.c: Revert license to GPL 2.
11640         * config/pa/milli64.S: Likewise.
11641
11642 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11643
11644         PR target/38904
11645         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11646         LIBRARY name in, instead of hard-coding it.
11647         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11648         extra target make frag to tmake_files according to EH model.
11649         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11650         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11651         frags that define makefile variable EH_MODEL appropriately.
11652         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11653         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11654         to "-sjlj" according to type of EH configured.
11655         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11656         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11657         to "_sjlj" according to type of EH configured.
11658         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11659         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11660         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11661         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11662         string value of "pe_dll" command-line option.
11663         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11664         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11665         (SHLIB_IMPLIB):  Override t-cygming default.
11666         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11667         string value of "pe_dll" command-line option.
11668
11669 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11670
11671         PR target/38952
11672         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11673         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11674
11675 2009-01-31  Richard Guenther  <rguenther@suse.de>
11676
11677         PR tree-optimization/38937
11678         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11679         computing the transitive closure.
11680
11681 2009-01-30  Richard Guenther  <rguenther@suse.de>
11682
11683         PR tree-optimization/39041
11684         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11685         Propagate variable indices only if the types match for this stmt.
11686
11687 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11688
11689         PR target/39013
11690         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11691         inline but never defined.
11692
11693 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11694
11695         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11696         (*insv_h_di_reg_extimm): New insn.
11697         (*insv_l<mode>_reg_extimm): New insn.
11698
11699 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11700
11701         * config/picochip/picochip.c (flag_conserve_stack): set
11702         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11703         fconserve-stack. Reduce call-overhead used by inliner.
11704
11705 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11706
11707         PR/38157
11708         * common.opt (flag_conserve_stack): Initialised to zero.
11709
11710 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11711
11712         PR/39002
11713         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11714         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11715         method.
11716
11717 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11718
11719         * ira-color.c (allocno_reload_assign): Update comments.
11720         * regmove.c (regmove_optimize): Likewise.
11721
11722         * ra.h: Removed.
11723
11724 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11725
11726         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11727         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11728         `MD_UNWIND_SUPPORT'.
11729         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11730
11731 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11732
11733         PR tree-optimization/39007
11734         * tree-loop-distribution.c (generate_builtin): Use
11735         recompute_dominator to compute the immediate dominator of the
11736         basic block just after the loop.
11737
11738 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11739
11740         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11741         (ASM_OUTPUT_DWARF_PCREL): Define.
11742
11743 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11744
11745         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11746         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11747         global.  Modify entries about regmove and IRA.
11748
11749         * ra-conflict.c: Remove the file.
11750
11751         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11752
11753         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
11754         (pass_regclass_init): Rename to pass_reginfo_init.
11755
11756         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
11757
11758         * toplev.h (flag_ira): Remove.
11759
11760         * caller-save.c (setup_save_areas): Remove flag_ira.
11761
11762         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
11763
11764         * global.c: Remove the file.
11765
11766         * opts.c (decode_options): Remove flag_ira.
11767
11768         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
11769
11770         * regmove.c: Modify file description.
11771         (find_use_as_address, try_auto_increment): Define them only if
11772         AUTO_INC_DEC is defined.
11773         (replacement_quality, replace_in_call_usage, fixup_match_1,
11774         stable_and_no_regs_but_for_p): Remove.
11775         (reg_set_in_bb): Make it static.
11776         (regmove_optimize): Remove flag_ira and code which worked for
11777         !flag_ira.
11778
11779         * local-alloc.c: Remove the file.
11780
11781         * common.opt (fira): Remove.
11782
11783         * ira.c: Include except.h.
11784         (eliminable_regset): Move from global.c.
11785         (mark_elimination): Ditto.  Remove flag_ira.
11786         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11787         equiv_mem_modified, validate_equiv_mem_from_store,
11788         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11789         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11790         no_equiv, recorded_label_ref): Move from local-alloc.c.
11791         (update_equiv_regs): Ditto.  Make it static.
11792         (print_insn_chain, print_insn_chains): Move it from global.c.
11793         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11794         (build_insn_chain): Ditto.  Make it static.
11795         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11796         Rename to init_live_subregs.
11797         (gate_ira): Remove flag_ira.
11798
11799         * regclass.c: Rename reginfo.c.  Change file description.
11800         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11801         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11802         (init_reg_sets_1): Remove code for evaluation of
11803         reg_class_superclasses and losing_caller_save_reg_set.
11804         (init_regs): Remove init_reg_autoinc.
11805         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11806         ok_for_base_p_nonstrict): Remove.
11807         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11808         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11809         corresponding entries.
11810         (dump_regclass, record_operand_costs, scan_one_insn,
11811         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11812         record_address_regs, auto_inc_dec_reg_p): Remove.
11813         (gt-regclass.h): Rename to gt-reginfo.h.
11814
11815         * rtl.h (dump_global_regs, retry_global_alloc,
11816         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11817
11818         * Makefile.in (RA_H): Remove.
11819         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11820         Rename regclass.o to reginfo.o.
11821         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11822         gt-reginfo.h.
11823         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11824         (GTFILES): Rename regclass.c to reginfo.c.
11825
11826         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11827         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11828
11829         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11830         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11831         Remove flag_ira.
11832         (finish_spills): Ditto.  Remove code for !flag_ira.
11833
11834 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11835
11836         PR middle-end/35854
11837         * doc/invoke.texi (rtl debug options): Complete rewrite.
11838         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11839         to auto_inc_dec".
11840         * mode-switching.c (pass_mode_switching): Rename pass from
11841         "mode-sw" to "mode_sw".
11842         * except.c (pass_convert_to_eh_ranges): Rename pass from
11843         "eh-ranges" to "eh_ranges".
11844         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11845         to "subreg1".
11846
11847
11848 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11849             Alexander Monakov  <amonakov@ispras.ru>
11850
11851         PR middle-end/38857
11852         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11853         register.
11854         (move_exprs_to_boundary): Change return type and pass through
11855         should_move from move_op.  Relax assert.  Update usage ...
11856         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11857         cant_move.
11858         (move_op_orig_expr_found): Indicate that insn was disconnected from
11859         stream.
11860         (code_motion_process_successors): Do not call after_merge_succs
11861         callback if original expression was not found when traversing any of
11862         the branches.
11863         (code_motion_path_driver): Change return type.  Update prototype.
11864         (move_op): Update comment.  Add a new parameter (should_move).  Update
11865         prototype.  Set *should_move based on indication provided by
11866         move_op_orig_expr_found.
11867
11868 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11869
11870         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11871         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11872         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11873         * config/rs6000/rs6000.c (rs6000_override_options): Default
11874         avoid-indexed-addresses on for Power6, off for everything else.
11875         (avoiding_indexed_address_p): New function.
11876         (rs6000_legitimize_address): Use it.
11877         (rs6000_legitimate_address): Likewise.
11878         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11879
11880 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11881
11882         PR tree-optimization/38997
11883         * tree-loop-distribution.c (generate_memset_zero): Use
11884         POINTER_PLUS_EXPR for a pointer addition.
11885
11886 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11887
11888         * config/s390/s390.md (bswap<mode>2): New pattern added.
11889
11890 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11891
11892         * config/s390/s390.md (*tls_load_31): Added type attribute.
11893
11894 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11895
11896         * config/s390/s390.md: Fix a few comments.
11897
11898 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11899
11900         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11901         (*tm<mode>_full): Fixed z10prop attribute.
11902         (*tst<mode>_extimm): Fixed z10prop attribute.
11903         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11904         (*tstqiCCT_cconly): Fixed z10prop attribute.
11905         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11906         (*movsi_larl): Fixed z10prop attribute.
11907         (*movsi_zarch): Fixed z10prop attribute.
11908         (*movsi_eas): Fixed z10prop attribute.
11909         (*movhi): Fixed z10prop attribute.
11910         (*movqi): Fixed z10prop attribute.
11911         (*movstrictqi): Fixed z10prop attribute.
11912         (*mov<mode>): Fixed z10prop attribute.
11913         (*movcc): Fixed z10prop attribute.
11914         (*sethighpartdi_64): Fixed z10prop attribute.
11915         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11916         (*negdi2_sign_cc): Fixed z10prop attribute.
11917         (*negdi2_sign): Fixed z10prop attribute.
11918         (*absdi2_sign_cc): Fixed z10prop attribute.
11919         (*absdi2_sign): Fixed z10prop attribute.
11920         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11921         (*negabsdi2_sign): Fixed z10prop attribute.
11922         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11923         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11924         (doloop_si64): Fixed z10prop attribute.
11925         (doloop_si31): Fixed z10prop attribute.
11926         (doloop_long): Fixed z10prop attribute.
11927         (indirect_jump): Fixed z10prop attribute.
11928         (nop): Fixed z10prop attribute.
11929         (main_base_64): Fixed z10prop attribute.
11930         (reload_base_64): Fixed z10prop attribute.
11931
11932 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11933
11934         PR rtl-optimization/38740
11935         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11936         if !optimize.
11937         * config/mips/mips.c (mips_reorg): Likewise.
11938
11939 2009-01-28  Richard Guenther  <rguenther@suse.de>
11940
11941         PR tree-optimization/38926
11942         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11943         with the correct value id to a value.
11944         (do_regular_insertion): Use the value number of edoubleprime
11945         for the value number of the expr.
11946
11947         Revert
11948         2008-08-21  Richard Guenther  <rguenther@suse.de>
11949
11950         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11951         a PHI ask VN if it is already available.
11952         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11953         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11954
11955 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11956
11957         PR middle-end/38934
11958         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11959         set to varying whenever max has TREE_OVERFLOW set, similarly
11960         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11961
11962 2009-01-28  Richard Guenther  <rguenther@suse.de>
11963
11964         PR middle-end/38908
11965         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11966         uninitialized aggregate uses in call arguments.
11967
11968 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11969
11970         PR tree-optimization/38984
11971         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11972         the nothing_id variable if -fno-delete-null-pointer-checks.
11973
11974 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11975
11976         PR target/38988
11977         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11978         (set_got_offset_rex64): Ditto.
11979
11980 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11981
11982         PR target/38941
11983         * doc/extend.texi: Improve local variable with asm reg.
11984
11985 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11986
11987         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11988         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11989         was not supplied then set warn_packed_bitfield_compat to the
11990         default value of 1.
11991         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11992         against 1.
11993
11994 2009-01-27  Richard Guenther  <rguenther@suse.de>
11995
11996         PR tree-optimization/38503
11997         * cfgexpand.c (expand_gimple_basic_block): Ignore
11998         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11999         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
12000         variables that cannot have TBAA applied.
12001         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
12002         statements.
12003
12004 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
12005
12006         PR middle-end/38969
12007         * calls.c (initialize_argument_information): Do not wrap complex
12008         arguments in SAVE_EXPR.
12009
12010 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
12011
12012         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
12013         (INSTALL_LIBGCC): Revert typo commit.
12014
12015 2009-01-26  Richard Guenther  <rguenther@suse.de>
12016
12017         PR tree-optimization/38745
12018         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
12019         from special handling.
12020
12021 2009-01-26  Richard Guenther  <rguenther@suse.de>
12022
12023         PR tree-optimization/38745
12024         * tree-ssa.c (execute_update_addresses_taken): Do not include
12025         variables that cannot possibly be a register in not_reg_needs.
12026         Do not clear TREE_ADDRESSABLE on vars that may not become
12027         registers.
12028         * tree-ssa.c (update_alias_info_1): Include those in the set
12029         of addressable vars.
12030
12031 2009-01-26  Richard Guenther  <rguenther@suse.de>
12032
12033         PR middle-end/38851
12034         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
12035         * tree-ssa-dse.c: Include langhooks.h
12036         (execute_simple_dse): Remove stores with zero size.
12037
12038 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
12039
12040         PR c/38957
12041         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
12042         as PLUS_EXPR.
12043
12044 2009-01-24  Julian Brown  <julian@codesourcery.com>
12045
12046         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
12047         config/arm/linux-atomic.c.
12048         * config/arm/linux-atomic.c: New.
12049
12050 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
12051
12052         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
12053         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
12054         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
12055
12056 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12057
12058         PR c/38938
12059         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
12060         properly.
12061
12062 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
12063
12064         PR tree-optimization/38953
12065         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
12066         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
12067         (gloog): Split the exit of the scop when the scop exit is a loop exit.
12068         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
12069         changed the CFG.
12070
12071 2009-01-24  Paul Brook  <paul@codesourcery.com>
12072
12073         * config/arm/neon.md (neon_type): Move to arm.md.
12074         (neon_mov<VSTRUCT>): Add neon_type attribute.
12075         * config/arm/arm.md (neon_type): Move to here.
12076         (conds): Add "unconditioal" and use as default for NEON insns.
12077
12078 2009-01-24  Ben Elliston  <bje@au.ibm.com>
12079
12080         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
12081         void *' warning from -Wc++-compat.
12082         * Makefile.in (dominance.o-warn): Remove.
12083
12084 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
12085
12086         PR tree-optimization/38932
12087         * fold-const.c (fold_unary_ignore_overflow): New.
12088         * tree.h (fold_unary_ignore_overflow): Declare.
12089         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
12090         * tree-ssa-sccvn.c (visit_reference_op_load,
12091         simplify_unary_expression): Likewise.
12092
12093 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
12094
12095         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
12096         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
12097         regardless of their type.
12098         * c-common.c (handle_packed_attribute): Don't ignore packed on
12099         bitfields.
12100         * c.opt (Wpacked-bitfield-compat): New warning option.
12101         * stor-layout.c (place_field): Warn if offset of a field changed.
12102         * doc/extend.texi (packed): Mention the ABI change.
12103         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
12104         (Warning Options): Add it to the list.
12105
12106 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12107
12108         * c-opts.c (c_common_post_options): Fix a typo in comments.
12109
12110 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
12111
12112         PR middle-end/38615
12113         * gimplify.c (gimplify_init_constructor): Fix promotion of const
12114         variables to static.
12115         * doc/invoke.texi (-fmerge-all-constants): Update description.
12116
12117 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
12118
12119         PR target/38931
12120         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
12121         (*movdi_1_rex64): Use type "mmx" for alternative 5.
12122
12123 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
12124
12125         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
12126         a word boundary.
12127         (LOCAL_ALIGNMENT): Similarly.
12128
12129 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12130             Joseph Myers  <joseph@codesourcery.com>
12131
12132         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
12133         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
12134         * config/arm/arm-tune.md: Regenerate.
12135         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
12136         -march=iwmmxt2.
12137
12138 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
12139
12140         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
12141         version number to five.
12142
12143 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
12144
12145         PR c++/38930
12146         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
12147         * c-common.c (set_underlying_type): Likewise.
12148         (is_typedef_decl ): Likewise
12149         * tree.h: Likewise
12150         (set_underlying_type): Likewise.
12151         (is_typedef_type): Likewise.
12152
12153 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
12154
12155         PR middle-end/38587
12156         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
12157         crossing setjmps.
12158
12159 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
12160
12161         PR bootstrap/37660
12162         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
12163         (LIBGCC_SPEC):  Don't define.
12164         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
12165
12166 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
12167
12168         PR rtl-optimization/38879
12169         * alias.c (base_alias_check): Unaligned access via AND address can
12170         alias all surrounding object types except those with sizes equal
12171         or wider than the size of unaligned access.
12172
12173 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
12174
12175         PR c++/26693
12176         * c-decl.c (clone_underlying_type): Move this ...
12177         * c-common.c (set_underlying_type): ... here.
12178         Also, make sure the function properly sets TYPE_STUB_DECL() on
12179         the newly created typedef variant type.
12180         (is_typedef_decl ): New entry point.
12181         * tree.h: Added a new member member_types_needing_access_check to
12182         struct tree_decl_non_common.
12183         (set_underlying_type): New entry point.
12184         (is_typedef_type): Likewise.
12185
12186 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
12187
12188         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
12189         Check whether two instructions have memory references that
12190         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
12191         are helper functions for traversing.
12192         * alias.h (insn_alias_sets_confilict_p): New prototypes.
12193         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
12194         not to draw dependency edge for instructions with non-conflicting
12195         alias sets.
12196
12197 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
12198
12199         PR other/38758
12200         * longlong.h: Update copyright years.  Use soft-fp license notice.
12201         Sync __clz_tab declaration with glibc.
12202
12203 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
12204
12205         PR target/30687
12206         * doc/extend.texi (syscall_linkage): New.
12207         (version_id): Modify.
12208
12209 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12210             Richard Guenther  <rguenther@suse.de>
12211
12212         PR tree-optimization/38747
12213         PR tree-optimization/38748
12214         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
12215         conversion if the base address is an indirect reference and the
12216         aliasing sets could cause issues.
12217
12218 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12219
12220         * common.opt (fgraphite, fgraphite-identity): Add comment for
12221         explaining why these options are not documented.
12222
12223 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12224
12225         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
12226         gimple_call_lhs is NULL.
12227
12228 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
12229
12230         PR target/38868
12231         * emit-rtl.c (adjust_address_1): Make sure memref is never
12232         overwritten.
12233
12234 2009-01-20  Ben Elliston  <bje@au.ibm.com>
12235
12236         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12237         const qualifier from arg parameter. Remove unnecessary cast to char *.
12238         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12239         const qualifier from arg 2.
12240
12241 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
12242
12243         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
12244
12245 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12246
12247         PR c/38869
12248         * rtl.h (reinit_regs): New prototype.
12249         * regclass.c: Include ira.h.
12250         (reinit_regs): New.
12251         * Makefile.in (regclass.o): Add ira.h.
12252         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
12253
12254 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
12255
12256         PR target/38736
12257         * c-common.c (handle_aligned_attribute): Use
12258         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
12259         default alignment value.
12260
12261         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
12262
12263         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
12264         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
12265
12266         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
12267         __BIGGEST_ALIGNMENT__.
12268
12269         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
12270
12271 2009-01-18  Richard Guenther  <rguenther@suse.de>
12272
12273         PR tree-optimization/38819
12274         * tree-flow.h (operation_could_trap_helper_p): Declare.
12275         * tree-eh.c (operation_could_trap_helper_p): Export.
12276         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
12277         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
12278         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
12279         are about to insert a possibly trapping instruction and fail
12280         in this case.
12281
12282 2009-01-18  Andreas Schwab  <schwab@suse.de>
12283
12284         * doc/install.texi (Configuration): Remove obsolete paragraph
12285         about use of --with-gnu-ld with --with-gnu-as.
12286
12287 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
12288
12289         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
12290         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
12291         Follow spelling conventions.
12292
12293 2009-01-18  Ben Elliston  <bje@au.ibm.com>
12294
12295         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
12296         C++ warning about implicit conversion from void * to struct
12297         bitmap_head_def *.
12298         (bitmap_obstack_free): Likewise for bitmap_element *.
12299         * Makefile.in (bitmap.o-warn): Remove.
12300
12301 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
12302
12303         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
12304
12305 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
12306             Tobias Grosser  <tobi.grosser@amd.com>
12307
12308         * graphite.c (graphite_trans_scop_block): Do not block single
12309         nested loops.
12310
12311 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
12312
12313         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
12314         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
12315         test with assertion.
12316
12317 2009-01-16  Richard Guenther  <rguenther@suse.de>
12318
12319         PR tree-optimization/38835
12320         PR middle-end/36227
12321         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
12322         and INT + PTR -> (INT)(PTR p+ INT) folding.
12323         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
12324
12325 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
12326
12327         PR target/38554
12328         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
12329         the subreg from a lowpart subreg if it is also casting the value.
12330
12331 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12332             Tobias Grosser  <tobi.grosser@amd.com>
12333
12334         * graphite.c (compare_prefix_loops): New.
12335         (build_scop_canonical_schedules): Rewritten.
12336         (graphite_transform_loops): Move build_scop_canonical_schedules
12337         after build_scop_iteration_domain.
12338
12339 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12340             Tobias Grosser  <tobi.grosser@amd.com>
12341
12342         * graphite.c (add_conditions_to_domain): Add the loops to
12343         the dimension of the iteration domain.  Do copy the domain
12344         only when it exists.
12345         (build_scop_conditions_1): Do not call add_conditions_to_domain.
12346         (add_conditions_to_constraints): New.
12347         (can_generate_code_stmt, can_generate_code): Removed.
12348         (gloog): Do not call can_generate_code.
12349         (graphite_transform_loops): Call add_conditions_to_constraints
12350         after building the iteration domain.
12351
12352 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
12353
12354         PR tree-optimization/38789
12355         * tree-ssa-threadedge.c
12356         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12357         __builtin_constant_p.
12358
12359 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
12360
12361         * dce.c (delete_unmarked_insns): Reversed the order that insns are
12362         examined before deleting them.
12363
12364 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
12365
12366         * function.c (aggregate_value_p): Correctly extract the function
12367         type from CALL_EXPR_FN lookup.
12368
12369 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12370
12371         * config/picochip/picochip.c (picochip_override_options): Revert
12372         CFI asm flag disable commited previously.
12373
12374 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12375             Tobias Grosser  <tobi.grosser@amd.com>
12376             Jan Sjodin  <jan.sjodin@amd.com>
12377
12378         * graphite.c (scan_tree_for_params): On substractions negate
12379         all the coefficients of the term.
12380         (clast_to_gcc_expression_red): New.  Handle reduction expressions
12381         of more than two operands.
12382         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
12383         (get_vdef_before_scop): Handle also the case of default definitions.
12384
12385 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12386
12387         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
12388         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
12389         Also use them when walking CALL_INSN_FUNCTION_USAGE.
12390
12391 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
12392             Joey Ye  <joey.ye@intel.com>
12393
12394         PR middle-end/37843
12395         * cfgexpand.c (expand_stack_alignment): Don't update stack
12396         boundary nor check incoming stack boundary here.
12397         (gimple_expand_cfg): Update stack boundary and check incoming
12398         stack boundary here.
12399
12400 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
12401
12402         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
12403
12404 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
12405
12406         PR rtl-optimization/38245
12407         * calls.c (expand_call): Add stack arguments to
12408         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12409         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
12410         in regs and partially in memory or BLKmode arguments.
12411         (emit_library_call_value_1): Add stack arguments to
12412         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12413         ACCUMULATE_OUTGOING_ARGS).
12414         * dce.c: Include tm_p.h.
12415         (find_call_stack_args): New function.
12416         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
12417         argument.
12418         (mark_insn): Call find_call_stack_args for CALL_Ps.
12419         (prescan_insns_for_dce): Walk insns backwards in bb rather than
12420         forwards.  Allocate and free arg_stores bitmap if needed, pass it
12421         down to deletable_insn_p, don't mark stores set in arg_stores
12422         bitmap, clear the bitmap at the beginning of each bb.
12423         * Makefile.in (dce.o): Depend on $(TM_P_H).
12424
12425 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
12426
12427         PR target/22599
12428         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
12429         to make sure the insn is a conditional test (bug 22599).  Reformat a
12430         few long lines.
12431
12432 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
12433
12434         PR middle-end/38431
12435         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
12436         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
12437         (gloog): Do not call cleanup_tree_cfg.
12438         (graphite_transform_loops): Call cleanup_tree_cfg after all
12439         scops have been code generated.
12440
12441 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
12442         * doc/gty.texi (Invoking the garbage collector): Added new node
12443         and section documenting ggc_collect.
12444
12445 2009-01-14  Richard Guenther  <rguenther@suse.de>
12446
12447         PR tree-optimization/38826
12448         PR middle-end/38477
12449         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
12450         initialization notes only if we actually emitted a warning.
12451         (intra_create_variable_infos): Add constraints for a result decl
12452         that is passed by hidden reference.
12453         (build_pred_graph): Mark all related variables non-direct on
12454         address-taking.
12455
12456 2009-01-14  Nick Clifton  <nickc@redhat.com>
12457
12458         * ira-conflicts.c: Include addresses.h for the definition of
12459         base_reg_class.
12460         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
12461         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
12462
12463 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
12464
12465         PR target/38811
12466         * Makefile.in (ira-lives.o): Add except.h.
12467
12468         * ira-lives.c: Include except.h.
12469         (process_bb_node_lives): Process can_throw_internal.
12470
12471 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
12472
12473         PR rtl-optimization/38774
12474         * combine.c (simplify_set): When undoing cc_use change, don't do
12475         PUT_CODE on the newly created comparison, but instead put back the
12476         old comparison.
12477
12478 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
12479
12480         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
12481         values.  Remove duplicate arm8 entry.
12482
12483 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12484
12485         PR tree-optimization/38786
12486         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
12487         the SSA_NAME case of expand_scalar_variables_expr.
12488         Set the type of an expression to the type of its assign statement.
12489         (expand_scalar_variables_expr): Also gather the scalar computation
12490         used to index the memory access.  Do not pass loop_p.
12491         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
12492         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
12493         the gimple_stmt_iterator where it inserts new code.
12494         Do not pass loop_p.
12495         (copy_bb_and_scalar_dependences): Do not pass loop_p.
12496         (translate_clast): Update call to copy_bb_and_scalar_dependences.
12497
12498 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12499
12500         * graphite.h (debug_value): Removed.
12501         * graphite.c (debug_value): Removed.
12502
12503 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12504
12505         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
12506         ldrd/strd with two 32-bit instructions.
12507
12508 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12509
12510         * config/arm/arm.c (struct processors): Pass for speed down into
12511         cost helper functions.
12512         (const_ok_for_op): Handle COMPARE and inequality nodes.
12513         (arm_rtx_costs_1): Rewrite.
12514         (arm_size_rtx_costs): Update prototype.
12515         (arm_rtx_costs): Pass speed down to helper functions.
12516         (arm_slowmul_rtx_costs): Rework cost calculations.
12517         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
12518         (arm_9e_rtx_costs): Likewise.
12519
12520 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
12521
12522         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12523         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12524         (alpha_legitimize_address): Do not split local symbols wider than
12525         UNITS_PER_WORD into HIGH/LO_SUM parts.
12526
12527 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12528
12529         PR bootstrap/38580
12530         * gcc.c (process_command): Replace call to execvp with calls
12531         to pex_one and exit.
12532
12533 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12534
12535         PR target/29141
12536         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12537         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12538         variant for devices with 3-byte PC.
12539         (__tablejump_elpm__): New.
12540
12541 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12542
12543         PR c/32041
12544         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12545         offsetof member-designator, handle it as `[0].'.
12546
12547 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12548
12549         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12550         function when not using named sections on targets with named sections
12551         if branch distance is less than 262132.
12552
12553 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12554
12555         * combine.c (combine_instructions):  Recompute
12556         optimize_this_for_speed_p  for each BB in the main combine loop.
12557
12558 2009-01-12  Tomas Bily  <tbily@suse.cz>
12559
12560         PR middlend/38385
12561         * tree-loop-distribution.c (prop_phis): New function.
12562         (generate_builtin): Call prop_phis.
12563         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12564
12565 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12566
12567         PR tree-optimization/38807
12568         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12569         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12570
12571 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12572
12573         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12574         subreg of op0 to the original op0.
12575
12576 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12577
12578         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12579
12580 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12581
12582         PR debug/7055
12583         * mips-tfile.c (parse_def): Fix parsing of def strings
12584         starting with digits.
12585
12586 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12587
12588         PR target/38695
12589         * config/arm/arm.c (arm_is_long_call_p): Don't call
12590         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12591
12592 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12593
12594         * regrename.c (regrename_optimize): Fix dumping.
12595         (find_oldest_value_reg): Preserve REG_POINTER.
12596         (copy_hardreg_forward_1): Likewise.
12597
12598 2009-01-09  Diego Novillo  <dnovillo@google.com>
12599
12600         * gimple.h (struct gimple_statement_base) <uid>: Document
12601         the restrictions on its use.
12602         (gimple_uid): Tidy.
12603         (gimple_set_uid): Tidy.
12604
12605 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12606
12607         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12608         zero guard even if align_bytes != 0 and count is smaller than
12609         size_needed.
12610
12611 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12612
12613         PR rtl-optimization/38495
12614         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12615         (add_range_and_copies_from_move_list): Print all added ranges.
12616         Add ranges to memory optimized destination.
12617
12618 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12619
12620         PR target/38686
12621         PR target/38708
12622         * config/i386/i386.c (override_options): Reject
12623         -mstringop-strategy=rep_8byte with -m32.
12624         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12625         to 1.  Do count comparison against epilogue_size_needed at compile
12626         time even when count_exp was constant forced into register.  For
12627         size_needed don't jump to epilogue, instead just avoid aligning
12628         and invoke the body algorithm.  If need_zero_guard, add zero guard
12629         even if count is non-zero, but smaller than size_needed + number of
12630         bytes that could be stored for alignment.
12631         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12632         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12633         but smaller than size_needed + number of bytes that could be stored
12634         for alignment.  Compare size_needed with epilogue_size_needed instead
12635         of desired_align - align, don't adjust size_needed, pass
12636         epilogue_size_needed to the epilogue expanders.
12637
12638         PR c/35742
12639         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12640
12641 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12642
12643         * pa.c (last_address): Change to unsigned.
12644         (update_total_code_bytes): Change argument to unsigned.  Don't
12645         check if insn addresses are set.
12646         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12647         addresses are not set.
12648         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12649
12650 2009-01-09  Nick Clifton  <nickc@redhat.com>
12651
12652         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12653         DECL_DECLARED_INLINE_P.
12654
12655 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12656
12657         PR middle-end/38347
12658         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12659         GET_MODE (op0) in operand_subword_force calls.
12660
12661         PR middle-end/38771
12662         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12663         fold_convert arg0 operands to TREE_TYPE (op0) first.
12664
12665 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12666
12667         * params.def (ira-max-conflict-table-size): Decrease default value
12668         to 1000.
12669
12670 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12671
12672         PR tree-optimization/37031
12673         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12674         on parameter_set.
12675         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12676         allocate it using gc instead of heap, use VEC_quick_push instead of
12677         VEC_safe_push.
12678         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12679         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12680         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12681         allocated vector from heap allocated.
12682         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12683         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12684         vector only after perfect_loop_nest_depth call.
12685
12686 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12687             Jan Sjodin  <jan.sjodin@amd.com>
12688
12689         PR tree-optimization/38559
12690         * graphite.c (debug_value, copy_constraint,
12691         swap_constraint_variables, scale_constraint_variable, ): New.
12692         (get_lower_bound, get_upper_bound): Removed.
12693         (graphite_trans_bb_strip_mine): Clean up this code that works
12694         only for constant number of iterations.  Fully copy upper and
12695         lower bound constraints, not only the constant part of them.
12696         * graphite.h (debug_value): Declared.
12697
12698 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12699
12700         PR tree-optimization/37194
12701         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12702         Don't add the cost of cost model guard in prologue to scalar
12703         outside cost in case of known number of iterations.
12704
12705 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12706             Alan Modra  <amodra@bigpond.net.au>
12707
12708         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12709         non-word-aligned REG+CONST addressing.
12710
12711 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12712
12713         PR target/38706
12714         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12715         free_after_compilation when outputting a thunk.
12716         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12717         Do not call free_after_compilation here.
12718
12719 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12720
12721         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12722         (ix86_valid_target_attribute_inner_p): Ditto.
12723
12724 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12725
12726         PR tree-optimization/38492
12727         PR tree-optimization/38498
12728         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12729         * tree-chrec.h (scev_is_linear_expression): Declared.
12730         * graphite.c (graphite_cannot_represent_loop_niter): New.
12731         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12732         (graphite_loop_normal_form): Use gcc_assert.
12733         (scan_tree_for_params): Use CASE_CONVERT.
12734         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12735         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12736         Use gcc_assert.  Discard scops that contain unhandled cases.
12737         (build_scop_conditions): Return a boolean status for unhandled cases.
12738         (strip_mine_profitable_p): Print the loop number, not its depth.
12739         (is_interchange_valid): Pass the depth of the loop nest, don't
12740         recompute it wrongly.
12741         (graphite_trans_bb_block): Same.
12742         (graphite_trans_bb_block): Print tentative of loop blocking.
12743         (graphite_trans_scop_block): Do not print that the loop has been
12744         blocked.
12745         (graphite_transform_loops): Do not handle scops that contain condition
12746         scalar phi nodes.
12747
12748 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12749
12750         AVX Programming Reference (December, 2008)
12751         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12752         (_mm256_stream_pd): Likewise.
12753         (_mm256_stream_ps): Likewise.
12754
12755         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
12756         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
12757         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
12758         (bdesc_special_args): Add __builtin_ia32_movntdq256,
12759         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
12760         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
12761         (ix86_expand_special_args_builtin): Likewise.
12762
12763         * config/i386/sse.md (AVXMODEDI): New.
12764         (avx_movnt<mode>): Likewise.
12765         (avx_movnt<mode>): Likewise.
12766         (<sse>_movnt<mode>): Remove AVX support.
12767         (sse2_movntv2di): Likewise.
12768
12769 2009-01-07  Richard Guenther  <rguenther@suse.de>
12770
12771         PR middle-end/38751
12772         * fold-const.c (extract_muldiv): Remove obsolete comment.
12773         (fold_plusminus_mult_expr): Undo MINUS_EXPR
12774         to PLUS_EXPR canonicalization for the canonicalization.
12775
12776 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12777
12778         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12779         hosted cross-compilers generating less efficient code.
12780
12781 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12782
12783         * function.h (rtl_data): Add a dbr_scheduled_p field.
12784         * reorg.c (dbr_schedule): Set it.
12785         (gate_handle_delay_slots): Check it.
12786         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12787         (mips_reorg): Check flag_delayed_branch instead of
12788         mips_base_delayed_branch.
12789         (mips_override_options): Don't set mips_base_delayed_branch
12790         or flag_delayed_branch.
12791
12792 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12793
12794         PR rtl-optimization/38426.
12795         * ira.c (ira): Set current_function_is_leaf earlier.
12796
12797 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12798
12799         PR rtl-optimization/38722
12800         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12801         too early, only set a flag and modify after last possible
12802         undo_all point.
12803
12804 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12805
12806         PR c/34252
12807         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12808         * real.c (decimal_single_format): Correct values of emin and emax.
12809         (decimal_double_format): Ditto.
12810         (decimal_quad_format): Ditto.
12811         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12812         computation of DECnn_MIN and DECnn_MAX for corrected values of
12813         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12814         __DECnn_MIN__, and adjust its computation for the corrected value
12815         of emin.
12816
12817 2009-01-06  Jan Hubicka  <jh@suse.cz>
12818
12819         PR target/38744
12820         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12821
12822 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12823
12824         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12825         Add Robert Clark to the list of testers.
12826
12827 2009-01-06  Jan Hubicka  <jh@suse.cz>
12828             Kai Tietz  <kai.tietz@onevision.com>
12829
12830         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12831         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12832
12833 2009-01-06  Jan Hubicka  <jh@suse.cz>
12834             Kai Tietz  <kai.tietz@onevision.com>
12835
12836         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12837         for w64 ABI.
12838         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12839         (ix86_nsaved_regs): Count only general purpose regs.
12840         (ix86_nsaved_sseregs): New.
12841         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12842         to 16 for w64; compute padding and size of sse reg save area.
12843         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12844         general purpose regs.
12845         (ix86_emit_save_sse_regs_using_mov): New.
12846         (ix86_expand_prologue): Save SSE regs if needed.
12847         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12848         (ix86_emit_restore_sse_regs_using_mov): New.
12849         (ix86_expand_epilogue): Save SSE regs if needed.
12850
12851 2009-01-06  Jan Hubicka  <jh@suse.cz>
12852             Kai Tietz  <kai.tietz@onevision.com>
12853
12854         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12855         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12856         functions when accumulate outgoing args is off.
12857
12858 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12859
12860         PR bootstrap/38742
12861         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12862         before using pseudos_have_intersected_live_ranges_p.
12863
12864         * ira-int.h (ira_assert): Always define.
12865
12866 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12867
12868         AVX Programming Reference (December, 2008)
12869         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12870         (_mm256_permute2_pd): Likewise.
12871         (_mm_permute2_ps): Likewise.
12872         (_mm256_permute2_ps): Likewise.
12873         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12874         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12875
12876         * config/i386/i386.c (ix86_builtins): Remove
12877         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12878         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12879         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12880         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12881         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12882         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12883         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12884         __builtin_ia32_vpermil2ps256.
12885         (ix86_init_mmx_sse_builtins): Updated.
12886         (ix86_expand_args_builtin): Likewise.
12887
12888 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12889
12890         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12891         long absolute calls when generating PA 2.0 code.
12892
12893 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12894
12895         PR rtl-optimization/38583
12896         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12897
12898         * params.def (ira-max-conflict-table-size): New.
12899
12900         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12901
12902         * ira.h (ira_conflicts_p): New external definition.
12903
12904         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12905         table.  Report this.  Return result of building.
12906         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12907         building conflict table.
12908
12909         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12910         (ira_color): Use ira_conflicts_p.
12911
12912         * global.c: Include ira.h.
12913         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12914         ira_conflicts_p.
12915
12916         * Makefile.in (global.o): Add ira.h.
12917
12918         * ira-build.c (mark_all_loops_for_removal,
12919         propagate_some_info_from_allocno): New.
12920         (remove_unnecessary_allocnos): Call
12921         propagate_some_info_from_allocno.
12922         (remove_low_level_allocnos): New.
12923         (remove_unnecessary_regions): Add parameter.  Call
12924         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12925         parameter to remove_unnecessary_regions.
12926         (ira_build): Remove all regions but root if the conflict table was
12927         not built.  Update conflict hard regs for allocnos crossing calls.
12928
12929         * ira.c (ira_conflicts_p): New global.
12930         (ira): Define and use ira_conflicts_p.
12931
12932         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12933         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12934         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12935
12936 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12937
12938         * gengtype-lex.l (YY_NO_INPUT): Define.
12939
12940 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12941
12942         PR c/34911
12943         * c-common.c (handle_vector_size_attribute): Also reject
12944         BOOLEAN_TYPE types.
12945
12946 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12947
12948         PR tree-optimization/38492
12949         * graphite.c (rename_map_elt, debug_rename_elt,
12950         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12951         rename_map_elt_info, eq_rename_map_elts,
12952         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12953         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12954         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12955         (sese_build_livein_liveouts): New.
12956         (new_sese, free_sese): New.
12957         (new_scop): Call new_sese.
12958         (free_scop): Call free_sese.
12959         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12960         (register_old_new_names): Renamed register_old_and_new_names.
12961         (register_scop_liveout_renames, add_loop_exit_phis,
12962         insert_loop_close_phis, struct igp,
12963         default_liveout_before_guard, add_guard_exit_phis,
12964         insert_guard_phis, copy_renames): New.
12965         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12966         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12967         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12968         (scop_adjust_phis_for_liveouts): New.
12969         (gloog): Call scop_adjust_phis_for_liveouts.
12970
12971         * graphite.h (struct sese): Documented.  Added fields liveout,
12972         num_ver and livein.
12973         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12974         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12975         (struct scop): Added field liveout_renames.
12976         (SCOP_LIVEOUT_RENAMES): New.
12977
12978 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12979
12980         PR tree-optimization/38510
12981         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12982         (translate_clast): Call recompute_all_dominators before
12983         graphite_verify.
12984         (gloog): Call recompute_all_dominators before graphite_verify.
12985
12986 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12987             Jan Sjodin  <jan.sjodin@amd.com>
12988
12989         PR tree-optimization/38500
12990         * graphite.c (create_sese_edges): Call fix_loop_structure after
12991         splitting blocks.
12992
12993 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12994
12995         * config.gcc: Add m32r*-*-rtems*.
12996         * config/m32r/rtems.h: New file.
12997
12998 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12999
13000         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
13001         (.po.pox): Likewise.
13002         (po/gcc.pot): Likewise.
13003
13004 2009-01-04  David S. Miller  <davem@davemloft.net>
13005
13006         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
13007         (STARTING_FRAME_OFFSET): Always set to zero.
13008
13009 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13010
13011         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
13012         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
13013         fixed-point types, and vectors of the same.
13014
13015 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
13016
13017         * config/mips/sync.md (*mb_barrier): Rename to...
13018         (*memory_barrier): ...this.
13019
13020 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
13021
13022         * doc/extend.texi (Function Attributes): Move @cindex after @item
13023         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
13024         and put in alphabetical order. Fix 'target' name and put in order.
13025         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
13026         typos.
13027
13028 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
13029
13030         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
13031         (memory_barrier): Expand as unspec instead of unspec_volatile.
13032         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13033         (*memory_barrier): Define as unspec instead of unspec_volatile.
13034         Use (match_dup 0) as input operand.
13035
13036         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
13037         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
13038         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
13039         scratch register.  Remove operand 1.
13040         (*stbar): Define as unspec instead of unspec_volatile.
13041         Use (match_dup 0) as input operand, remove (const_int 8).
13042         (*membar): Define as unspec instead of unspec_volatile.
13043         Use (match_dup 0) as input operand, remove input operand 2.
13044
13045         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
13046         (memory_barrier): Expand as unspec instead of unspec_volatile.
13047         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13048         (*memory_barrier): Define as unspec instead of unspec_volatile.
13049         Use (match_dup 0) as input operand.
13050
13051         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
13052         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13053         Set volatile flag on operand 0.
13054         (*memory_barrier): New insn pattern.
13055
13056         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
13057         insn operands.
13058         (*memory_barrier): Use (match_dup 0) as input operand.
13059
13060         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
13061         Remove mem:BLK from insn operands.  Use Pmode scratch register.
13062         Set volatile flag on operand 0.
13063         (*mb_internal): New insn pattern.
13064
13065         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
13066
13067 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13068
13069         PR middle-end/38586
13070         * function.c (struct temp_slot): Move to the section of the file
13071         that deals with temp slots.  Remove field 'address'.
13072         (temp_slot_address_table): New hash table of address -> temp slot.
13073         (struct temp_slot_address_entry): New struct, items for the table.
13074         (temp_slot_address_compute_hash, temp_slot_address_hash,
13075         temp_slot_address_eq, insert_temp_slot_address): Support functions
13076         for the new table.
13077         (find_temp_slot_from_address): Rewrite to use the new hash table.
13078         (remove_unused_temp_slot_addresses): Remove addresses of temp
13079         slots that have been made available.
13080         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
13081         worker function for remove_unused_temp_slot_addresses.
13082         (assign_stack_temp_for_type): Don't clear the temp slot address list.
13083         Add the temp slot address to the address -> temp slot map.
13084         (update_temp_slot_address): Update via insert_temp_slot_address.
13085         (free_temp_slots): Call remove_unused_temp_slot_addresses.
13086         (pop_temp_slots): Likewise.
13087         (init_temp_slots): Allocate the address -> temp slot map, or empty
13088         the map if it is already allocated.
13089         (prepare_function_start): Initialize temp slot processing.
13090
13091 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
13092
13093         PR middle-end/38584
13094         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
13095         Calculate the size of all stack vars assuming no packing of stack
13096         vars will happen, replacing a quadratic algorithm with a linear one.
13097
13098 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13099
13100         PR target/38707
13101         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
13102         can't be used.
13103
13104 2009-01-03  Diego Novillo  <dnovillo@google.com>
13105
13106         * doc/contrib.texi: Update contributions.
13107
13108 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
13109
13110         PR c++/38705
13111         * builtins.c (fold_builtin_memory_op): Give up if either operand
13112         is volatile.  Set srctype or desttype to non-qualified version
13113         of the other type.
13114
13115         PR c/38700
13116         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
13117         and FUNCTION_DECLs.
13118
13119 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
13120
13121         PR rtl-optimization/35805
13122         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
13123         problem if fast dce is able to remove any instructions.
13124         * dce.c (dce_process_block): Fix dump message.
13125
13126 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
13127
13128         PR 33649
13129         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
13130
13131 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
13132
13133         PR middle-end/38690
13134         * tree-flow.h (op_code_prio, op_prio): New prototypes.
13135         * tree-pretty-print.c (op_code_prio): New function.
13136         (op_prio): No longer static.  Use op_code_prio.
13137         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
13138         Use op_prio and op_code_prio to determine if () should be
13139         printed around operand(s) or not.
13140
13141         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
13142         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
13143         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
13144         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
13145         pp_character instead of pp_string for single letter printing.
13146
13147 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13148
13149         * doc/extend.texi: Fix '#pragma GCC option' typo.
13150
13151 2009-01-02  Richard Guenther  <rguenther@suse.de>
13152
13153         * doc/install.texi (--enable-checking): Mention different
13154         default for stage1.
13155         (--enable-stage1-checking): Document.
13156
13157 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
13158
13159         PR middle-end/30142
13160         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
13161         case to be an error.
13162
13163 2009-01-02  Ben Elliston  <bje@au.ibm.com>
13164
13165         * config/fp-bit.h (pack_d): Constify argument.
13166         * config/fp-bit.c (makenan): Constify return type. Remove casts.
13167         (isnan): Constify argument.
13168         (isinf): Likewise.
13169         (iszero): Likewise.
13170         (pack_d): Likewise.
13171         (_fpadd_parts): Constify return type.
13172         (_fpmul_parts): Likewise.
13173         (_fpdiv_parts): Likewise.
13174
13175 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
13176
13177         PR c/36489
13178         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
13179         warn about overwriting initializer with side-effects or
13180         -Woverride-init if !IMPLICIT.
13181         (output_init_element): Likewise.  Pass IMPLICIT down to
13182         add_pending_init.
13183         (process_init_element): Add IMPLICIT argument.  Pass it down
13184         to output_init_element.
13185         (push_init_element, pop_init_level, set_designator): Adjust
13186         process_init_element callers.
13187         (set_nonincremental_init, set_nonincremental_init_from_string):
13188         Adjust add_pending_init callers.
13189         (output_pending_init_elements): Adjust output_init_element callers.
13190         * c-tree.h (process_init_element): Adjust prototype.
13191         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
13192         process_init_element callers.
13193
13194 \f
13195 Copyright (C) 2009 Free Software Foundation, Inc.
13196
13197 Copying and distribution of this file, with or without modification,
13198 are permitted in any medium without royalty provided the copyright
13199 notice and this notice are preserved.