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2009-06-03 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-06-03  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
4         consistently.
5
6 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
7
8         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
10         JUMP_TABLE_DATA_P where applicable.
11         * config/sh/sh.c: Ditto.
12         * config/sh/sh.h: Ditto.
13         * config/sh/sh.md: Ditto.
14         * config/sh/symbian.c: Ditto.
15
16 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
17
18         * config/i386/driver-i386.c (describe_cache): Optimize
19         concatenation of strings.  Use snprintf instead of sprintf.
20         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
21         target when not compiling with GCC.
22
23 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
24
25         * config/sh/sh.c: Revert last change.
26         (sh_expand_epilogue): Emit a blockage insn before the frame
27         pointer adjustment unconditionally.
28
29 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
30
31         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
32         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
33         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
34         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
35         to COLLECT_GCC_OPTIONS.
36
37 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
38
39         * collect2.c (target_system_root): New variable.
40         (main): Handle --sysroot=.
41         (ignore_library): Strip the sysroot from the library path.
42
43 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
44
45         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
46         (collect2.o): Depend on collect2-aix.h.
47         (collect2-aix.o): New rule.
48         * collect2-aix.h: New file.
49         * collect2-aix.c: Likewise.
50         * collect2.c: Include collect2-aix.h.  Don't undefine
51         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
52         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
53         Use TARGET_AIX_VERSION instead of _AIX51.
54         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
55         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
56         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
57         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
58         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
59
60 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
61
62         * collect2.c (ignore_library): Avoid premature post-increment
63         and null deference.
64
65 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
66
67         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
68         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
69         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
70         CROSS_DIRECTORY_STRUCTURE too.
71         (LINK_LIBG_SPEC): Likewise.
72         (LIB_SPEC): Add %R to sysroot paths.
73         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
74         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
75         * config/rs6000/aix51.h: As for aix43.h.
76         * config/rs6000/aix52.h: Likewise.
77         * config/rs6000/aix53.h: Likewise.
78         * config/rs6000/aix61.h: Likewise.
79         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
80         to the beginning of sysroot paths.
81
82 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
83
84         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
85         INSN_LISTs that are out of the REG_NOTE range.
86
87 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
88
89         * loop-unroll.c (struct iv_to_split): Add pointer to next.
90         (struct var_to_expand): Likewise.
91         (struct opt_info): Add head and tail for linked lists of the above.
92         (analyze_insn_to_expand_var): Initialize next.
93         (analyze_iv_to_split_insn): Likewise.
94         (analyze_insns_in_loop): Create linked lists.
95         (allocate_basic_variable): Simplify for use without hash table.
96         (insert_var_expansion_initialization): Likewise, make it type-safer.
97         (combine_var_copies_in_loop_exit): Likewise.
98         (apply_opt_in_copies): Walk lists rather than hash tables.
99         (release_var_copies): Simplified and inlined by hand into...
100         (free_opt_info): ... this function.
101
102 2009-06-02  Richard Guenther  <rguenther@suse.de>
103
104         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
105         for field decls.
106
107 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
108
109         * cfgexpand.c (gimple_expand_cfg): Discard the source location
110         only for builtins that are not overridden.
111
112 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
113
114         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
115         label string.
116
117 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
118
119         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
120
121 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
122
123         * combine.c (move_deaths): Compare LUIDs within the same BB only.
124
125 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
126
127         * common.opt (fdump-unnumbered-links): New.
128         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
129         * print-rtl.c (flag_dump_unnumbered_links): New.
130         (print_rtx): Test it.
131
132 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
133
134         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
135         push/pop multiple to 8-byte alignment.
136         
137 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
138
139         * config/i386/i386.c (queued_cfa_restores): New static variable.
140         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
141         functions.
142         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
143         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
144         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
145         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
146         note unconditionally.
147         (ix86_emit_restore_regs_using_mov): Likewise.
148         (ix86_emit_restore_sse_regs_using_mov): Likewise.
149         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
150         it through to ix86_emit_restore_reg_using_pop.
151         (ix86_emit_leave): Add RED_OFFSET argument.  Call
152         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
153         instead of adding REG_CFA_OFFSET note unconditionally.
154         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
155         the above functions.  Call ix86_add_queued_cfa_restore_notes when
156         needed.
157
158         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
159         force output of the label even for dwarf2out_do_cfi_asm.
160         (add_fde_cfi): If -g2 and above and cfi might change CFA,
161         force creation of CFI label and chain DW_CFA_set_loc jumping to it
162         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
163         caller.
164         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
165         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
166         dwarf2out_cfi_label callers.
167         * tree.h (dwarf2out_cfi_label): Adjust prototype.
168         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
169         Adjust dwarf2out_cfi_label callers.
170         * config/vax/vax.c (vax_output_function_prologue): Likewise.
171
172         * config/i386/i386.h (struct machine_cfa_state,
173         struct machine_function): Guard with ifndef USED_FOR_TARGET
174         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
175
176         PR other/40024
177         * emutls.c (__emutls_get_address): Change arr->size to mean number
178         of allocated arr->data entries instead of # of slots + 1.
179
180         PR middle-end/40316
181         * recog.c (peep2_reinit_state): New function.
182         (peephole2_init_state): Use it at the end of a basic block and also
183         when seeing a RTX_FRAME_RELATED_P insn.
184
185 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
186
187         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
188         fixuns_truncrfdi2): New.
189         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
190         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
191         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
192         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
193         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
194         *recip_approx): Remove.
195         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
196         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
197         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
198         move to div.md.
199         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
200         setf_exp_rf): New.
201
202 2009-06-01  Ian Lance Taylor  <iant@google.com>
203
204         * attribs.c (register_attribute): Use CONST_CAST.
205         * collect2.c (main): Use CONST_CAST2.
206         (scan_prog_file): Likewise.
207         * gcc.c (process_command, main): Likewise.
208         * toplev.c (toplev_main): Likewise.
209
210         * c-typeck.c (handle_warn_cast_qual): New static function,
211         partially broken out of build_c_cast.
212         (build_c_cast): Call handle_warn_cast_qual.
213         * doc/invoke.texi (Warning Options): Document new effect of
214         -Wcast-qual.
215
216 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
217
218         * diagnostic.c (diagnostic_build_prefix): Always print columns.
219         (diagnostic_report_current_module): Print columns.
220         * common.opt (flag_show_column): Enable by default.
221
222 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
223
224         * alias.c (find_base_term): Check for NULL term before returning.
225
226 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
227
228         Revert due to PR40320:
229         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
230         * calls.c (emit_library_call_value_1): Don't force_operand for move
231         and push insns.
232
233 2009-06-01  Olivier Hainque  <hainque@adacore.com>
234             Eric Botcazou  <ebotcazou@adacore.com>
235
236         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
237         to be processed as a bitfield for constructor output purposes.
238         * output.h (initializer_constant_valid_for_bitfield_p): Declare
239         new function.
240         * varasm.c (oc_local_state): New type, output_constructor
241         local state to support communication with helpers.
242         (oc_outer_state): New type, output_constructor outer state of
243         relevance in recursive calls.
244         (output_constructor_array_range): New output_constructor helper,
245         extracted code for an array range element.
246         (output_constructor_regular_field): New output_constructor helper,
247         extracted code for an element that is not a bitfield.
248         (output_constructor_bitfield): New output_constructor helper,
249         extracted code for a bitfield element.  Accept an OUTER state
250         argument for recursive processing.  Recurse on record or array
251         CONSTRUCTOR values, possibly past noop conversions.
252         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
253         VALUE is a valid constant-valued expression for use in a static
254         bit-field initializer.
255         (output_constructor): Rework to use helpers.  Accept and honor an
256         OUTER state argument for recursive calls.  Return total size.  Be
257         prepared for nested constructors initializing bitfields.
258         (output_constant): Feed OUTER in calls to output_constructor.
259
260 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
261
262         * calls.c (emit_library_call_value_1): Don't force_operand for move
263         and push insns.
264
265 2009-06-01  Nick Clifton  <nickc@redhat.com>
266
267         * doc/invoke.texi (IA-64 Options): Fix typo.
268
269 2009-06-01  Ira Rosen  <irar@il.ibm.com>
270
271         PR tree-optimization/39129
272         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the 
273         printed message.
274         (vect_do_peeling_for_loop_bound): Use 
275         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
276         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
277         (vect_loop_versioning): Likewise.
278         (vect_create_cond_for_alias_checks): Fix indentation.
279         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the 
280         macros.
281         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
282         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
283         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to 
284         "control flow in loop".
285         (vect_estimate_min_profitable_iters): Use 
286         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
287         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
288         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
289         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
290         * tree-vect-stmts.c (vectorizable_store): Replace the check that the 
291         statement belongs to a group of strided accesses with the exact code 
292         check.
293         (vectorizable_load): Likewise.
294         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
295         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
296
297 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
298
299         * config/freebsd-stdint.h: New file.
300         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
301         Add freebsd-stdint.h to tm_file.
302
303 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
304
305         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
306         (thumb2_extendhidi2): Likewise.
307
308 2009-05-31  Ian Lance Taylor  <iant@google.com>
309
310         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
311
312 2009-05-31  Ian Lance Taylor  <iant@google.com>
313
314         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
315         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
316         (ipa-reference.o): Depend upon gt-ipa-reference.h.
317
318 2009-05-31  Jason Merrill  <jason@redhat.com>
319
320         * tree-pretty-print.c (print_call_name): Take the callee, not the
321         call itself.  Make non-static.  Use dump_function_name for functions.
322         (dump_generic_node): Adjust.
323         * diagnostic.h: Declare print_call_name.
324         * gimple-pretty-print.c (dump_gimple_call): Use it.
325
326 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
327
328         * config/sh/sh.md (ashldi3_std): New define_expand.
329         (ashldi3): Use it.
330
331 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
332
333         PR target/40313
334         * config/sh/sh.c: Include debug.h.
335         (sh_expand_epilogue): Emit a blockage insn before the frame
336         pointer adjustment also when dwarf2out_do_frame returns true.
337
338 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
339
340         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
341         (thumb2_extendqidi2): New pattern.
342
343 2009-05-31  Ira Rosen  <irar@il.ibm.com>
344
345         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
346         mark phis for renaming.
347         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
348         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
349         Call mark_sym_for_renaming.
350         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
351         * tree-vect-loop.c (vect_transform_loop): Remove
352         vect_memsyms_to_rename initialization and a call to
353         mark_set_for_renaming.
354
355 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
356
357         PR middle-end/40304
358         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
359         frame related even if !set_cfa && style < 0.
360
361 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
362
363         * config/i386/mingw-tls.c: New file.
364         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
365         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
366         defining _WIN32 but not __CYGWIN__.
367
368 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
369
370         * configure.ac: Add MPC support.
371         
372         * config.in, configure: Regenerate.     
373
374 2009-05-29  Richard Henderson  <rth@redhat.com>
375
376         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
377         NOTE_INSN_BASIC_BLOCK.
378         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
379         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
380         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
381         to be deleted.
382         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
383         add in_use field.
384         (add_cfi): Disable check redefining cfa away from drap.
385         (lookup_cfa_1): Add remember argument; handle remember/restore.
386         (lookup_cfa): Pass remember argument.
387         (cfa_remember): New.
388         (compute_barrier_args_size_1): Remove sibcall check.
389         (dwarf2out_frame_debug_def_cfa): New.
390         (dwarf2out_frame_debug_adjust_cfa): New.
391         (dwarf2out_frame_debug_cfa_offset): New.
392         (dwarf2out_frame_debug_cfa_register): New.
393         (dwarf2out_frame_debug_cfa_restore): New.
394         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
395         (dwarf2out_begin_epilogue): New.
396         (dwarf2out_frame_debug_restore_state): New.
397         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
398         DW_CFA_restore_state.
399         (output_cfi_directive): Likewise.
400         (convert_cfa_to_fb_loc_list): Likewise.
401         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
402         * dwarf2out.h: Update.
403         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
404         (copy_insn_1): Early out for null.
405         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
406         and dwarf2out_frame_debug_restore_state.
407         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
408         (prologue_insn_hash, epilogue_insn_hash): New.
409         (free_after_compilation): Adjust freeing accordingly.
410         (record_insns): Create hash table if needed; push insns into
411         hash instead of array.
412         (maybe_copy_epilogue_insn): New.
413         (contains): Search hash table instead of array.
414         (sibcall_epilogue_contains): Remove.
415         (thread_prologue_and_epilogue_insns): Split eh_return insns
416         and mark them as epilogues.
417         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
418         scanning in terms of basic blocks.
419         * insn-notes.def (CFA_RESTORE_STATE): New.
420         * jump.c (returnjump_p_1): Accept EH_RETURN.
421         (eh_returnjump_p_1, eh_returnjump_p): New.
422         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
423         CFA_REGISTER, CFA_RESTORE): New.
424         * rtl.def (EH_RETURN): New.
425         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
426
427         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
428         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
429
430         * config/i386/i386.c (gen_push): Update cfa state.
431         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
432         add a CFA_ADJUST_CFA note.
433         (ix86_dwarf_handle_frame_unspec): Remove.
434         (ix86_expand_prologue): Update cfa state.
435         (ix86_emit_restore_reg_using_pop): New.
436         (ix86_emit_restore_regs_using_pop): New.
437         (ix86_emit_leave): New.
438         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
439         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
440         * config/i386/i386.h (struct machine_cfa_state): New.
441         (ix86_cfa_state): New.
442         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
443         (eh_return_internal): Merge from eh_return_<mode>,
444         use eh_return rtx, split w/ epilogue.
445
446 2009-05-29  Ian Lance Taylor  <iant@google.com>
447
448         * builtins.c (validate_gimple_arglist): Don't use va_arg with
449         enum type.
450         * calls.c (emit_library_call_value_1): Likewise.
451
452         * c-typeck.c (c_build_va_arg): New function.
453         * c-tree.h (c_build_va_arg): Declare.
454         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
455         instead of build_va_arg.
456
457 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
458
459         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
460         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
461         (ptr_difference_cost): Use affine combinations to compute it.
462         (difference_cost): Likewise.
463         (get_computation_cost_at): Compute more accurate cost for addresses
464         if the ratio is a multiplier allowed in addresses.
465         For non-addresses, consider that an additional offset or symbol is
466         added only once.
467
468 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
469
470         * config/i386/i386.c (ix86_decompose_address): Avoid useless
471         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
472
473         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
474         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
475         (prefix_rex): For UNIT_MMX don't imply the prefix by default
476         if MODE_DI.
477         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
478         to 1 for TYPE_SSE{IADD1,CVT1}.
479         (prefix_vex_imm8): Removed.
480         (length_vex): Only pass 1 as second argument to
481         ix86_attr_length_vex_default if prefix_extra is 0.
482         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
483         (length): For prefix vex computation use length_immediate
484         attribute instead of prefix_vex_imm8.
485         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
486         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
487         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
488         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
489         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
490         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
491         a space in between the operands.
492         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
493         if one operand is 0xff and the other one si, di, bp or sp.
494         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
495         other one si, di, bp or sp.
496         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
497         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
498         type and mode attributes.
499         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
500         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
501         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
502         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
503         prefix_data16 attribute iff MODE_DF.
504         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
505         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
506         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
507         constm128_operand in length_immediate computation.
508         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
509         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
510         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
511         length_immediate attribute to 1.
512         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
513         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
514         for certain alternatives.
515         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
516         prefix_data16 attribute if MODE_V1DF.
517         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
518         length_immediate to 1.
519         (set_got_rex64, set_rip_rex64): Remove length attribute, set
520         length_address to 4, set mode attribute to MODE_DI.
521         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
522         (fxam<mode>2_i387): Set length attribute to 4.
523         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
524         *prefetch_3dnow_rex): Override length_address attribute.
525         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
526         attributes.
527         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
528         (constm128_operand): Removed.
529         * config/i386/i386.c (memory_address_length): For
530         disp && !index && !base in 64-bit mode account for SIB byte if
531         print_operand_address can't optimize disp32 into disp32(%rip)
532         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
533         for fs: or gs: segment.
534         (ix86_attr_length_immediate_default): When checking if shortform
535         is possible, truncate immediate to the length of the non-shortened
536         immediate.
537         (ix86_attr_length_address_default): Ignore MEM_P operands
538         with X constraint.
539         (ix86_attr_length_vex_default): Only check for DImode on
540         GENERAL_REG_P operands.
541         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
542         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
543         (sse_cvttps2pi): Clear prefix_rep attribute.
544         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
545         attribute.
546         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
547         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
548         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
549         iff operand 2 is const_int_operand.
550         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
551         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
552         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
553         instead of vex.
554         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
555         prefix_data16.
556         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
557         prefix_data16 attribute for movlpd and movhpd instructions.
558         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
559         length_immediate for shufpd instruction.
560         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
561         (avx_cmpp<avxmodesuffixf2c><mode>3,
562         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
563         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
564         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
565         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
566         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
567         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
568         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
569         prefix_data16 attribute for the first alternative to 1.
570         (*avx_loadlps): Override length_immediate for the first alternative.
571         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
572         attributes for second alternative.
573         (*vec_concatv2sf_sse4_1): Override length_immediate and
574         prefix_data16 attributes for second alternative.
575         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
576         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
577         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
578         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
579         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
580         prefix_data16 and length_immediate to 1.
581         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
582         to 1.
583         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
584         prefix_extra attribute for variants that don't have 0f prefix alone.
585         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
586         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
587         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
588         *sse4_1_pextrd): Set length_immediate to 1.
589         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
590         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
591         to 1.
592         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
593         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
594         length_immediate to 1 for second alternative.
595         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
596         prefix_extra and length_immediate attributes for the first
597         alternative.
598         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
599         first alternative.
600         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
601         to 1 for the first and third alternative.
602         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
603         alternative.
604         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
605         attribute.
606         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
607         attribute to 0.
608         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
609         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
610         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
611         *avx_psign<mode>3): Set prefix_extra attribute to 1.
612         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
613         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
614         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
615         ssse3_psign<mode>3): Override prefix_rex attribute.
616         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
617         (ssse3_palignrti): Override length_immediate to 1.
618         (ssse3_palignrdi): Override length_immediate to 1, override
619         prefix_rex attribute.
620         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
621         (sse4a_extrqi): Override length_immediate to 2.
622         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
623         (sse4a_insertq): Override prefix_data16 to 0.
624         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
625         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
626         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
627         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
628         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
629         and length_immediate to 1.
630         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
631         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
632         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
633         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
634         and length_immediate to 1.
635         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
636         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
637         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
638         avx_ptest256): Override prefix_extra to 1.
639         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
640         Override prefix_data16 and length_immediate to 1.
641         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
642         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
643         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
644         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
645         prefix_data16 to 0 and prefix_extra to 2.
646         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
647         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
648         attribute.
649         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
650         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
651         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
652         and prefix_extra to 2.
653         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
654         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
655         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
656         avx_vpermilvar<mode>3,
657         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
658         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
659         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
660         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
661         Override prefix_extra to 1.
662         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
663         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
664         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
665         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
666         prefix_extra and length_immediate to 1.
667         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
668         modrm to 0.
669         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
670         to 1 for the first alternative.
671         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
672         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
673         cases.
674         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
675         *movv2sf_internal_avx, *movv2sf_internal): Override
676         prefix_rep attribute for certain alternatives.
677         (*mov<mode>_internal): Override prefix_rep or prefix_data16
678         attributes for certain alternatives.
679         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
680         attributes for certain alternatives.
681         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
682         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
683         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
684         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
685         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
686         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
687         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
688         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
689         length_immediate to 1 if operand 2 is const_int_operand.
690         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
691         *vec_extractv2si_1): Set length_immediate attribute to 1.
692         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
693         using old 3DNOW insn rather than SSE/3DNOW_A.
694         (mmx_emms, mmx_femms): Clear modrm attribute.
695
696 2009-05-29  Martin Jambor  <mjambor@suse.cz>
697
698         * tree-sra.c:  New implementation of SRA.
699
700         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
701         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
702         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
703         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
704         (SRA_MAX_STRUCTURE_COUNT): Removed.
705         (SRA_FIELD_STRUCTURE_RATIO): Removed.
706         * doc/invoke.texi (sra-max-structure-size): Removed.
707         (sra-field-structure-ratio): Removed.
708
709 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
710
711         PR middle-end/40291
712         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
713         before expansion.
714
715 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
716
717         PR rtl-optimization/40101
718         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
719         seqno.  Adjust comment.
720         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when 
721         inserting bookkeeping before a jump, the jump is not scheduled.
722         When no positive seqno found, provide a value.  Add comment.
723
724 2009-05-29  Richard Guenther  <rguenther@suse.de>
725
726         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
727         short-cutting on the first component.
728
729 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
730
731         PR middle-end/39958
732         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
733         for trees other than decls/types.
734
735 2009-05-29  Richard Guenther  <rguenther@suse.de>
736
737         * tree-ssa-operands.c (get_expr_operands): Do not handle
738         INDIRECT_REFs in the handled-component case.  Remove
739         unused get_ref_base_and_extent case.
740         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
741         tree_low_cst and host_integerp where possible.
742         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
743         codes for equivalence.
744         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
745
746 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
747
748         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
749         to tmake_file for i[34567]86-*-cygwin*. 
750
751 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
752
753         PR target/40017
754         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
755         (altivec_categorize_keyword, init_vector_keywords,
756         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
757         similar to bool.
758
759 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
760
761         * tree.c (handle_dll_attribute): Check if node is
762         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
763
764 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
765
766         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
767         component.
768         (thumb2_zero_extendqidi2): Likewise.
769
770 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
771
772         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
773         instead of gen_movrt.
774         * config/sh/sh.md (movrt): Remove.
775
776 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
777
778         * doc/invoke.texi (IA-64 Options):
779         Add -msdata, -mfused-madd, -mno-inline-float-divide, 
780         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
781         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
782         -msched-prefer-non-control-spec-insns,
783         -msched-stop-bits-after-every-cycle,
784         -msched-count-spec-in-critical-path,
785         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
786         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
787         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
788         and -msched-spec-verbose.
789
790 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
791
792         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
793         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
794         error if used.
795         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
796
797 2009-05-28  Richard Guenther  <rguenther@suse.de>
798
799         * tree-ssa-alias.c (ao_ref_init): New function.
800         (ao_ref_base): Likewise.
801         (ao_ref_base_alias_set): Likewise.
802         (ao_ref_alias_set): Likewise.
803         (refs_may_alias_p_1): Change signature.
804         (refs_may_alias_p): Adjust.
805         (refs_anti_dependent_p): Likewise.
806         (refs_output_dependent_p): Likewise.
807         (call_may_clobber_ref_p_1): Change signature.
808         (call_may_clobber_ref_p): Adjust.
809         (stmt_may_clobber_ref_p_1): New function split out from ...
810         (stmt_may_clobber_ref_p): ... here.
811         (maybe_skip_until): Adjust signature.
812         (get_continuation_for_phi): Likewise.
813         (walk_non_aliased_vuses): Likewise.
814         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
815         (ao_ref_init): Declare.
816         (ao_ref_base): Likewise.
817         (ao_ref_alias_set): Likewise.
818         (stmt_may_clobber_ref_p_1): Likewise.
819         (walk_non_aliased_vuses): Adjust.
820         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
821         (get_ref_from_reference_ops): remove.
822         (vn_reference_lookup_2): Adjust signature.
823         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
824         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
825         (vn_reference_lookup): Adjust.
826         (vn_reference_insert): Likewise.
827         (vn_reference_insert_pieces): Adjust signature.
828         (visit_reference_op_call): Adjust.
829         * tree-ssa-pre.c (get_expr_type): Simplify.
830         (phi_translate_1): Adjust.
831         (compute_avail): Likewise.
832         (translate_vuse_through_block): Do not re-build trees.
833         (value_dies_in_block_x): Likewise.
834         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
835         fields.
836         (vn_reference_lookup_pieces): Adjust declaration.
837         (vn_reference_insert_pieces): Likewise.
838
839 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
840
841         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
842         with checking disabled.
843
844 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
845
846         PR target/37216
847
848         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
849         macro definition for support of three-operand format aligned
850         .comm directive in assembler on cygwin/pe/mingw target OS.
851         * configure:  Regenerate.
852         * config.h:  Regenerate.
853
854         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
855         aligned form of .comm directive if -mpe-aligned-commons is in effect.
856         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
857
858         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
859         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
860
861 2009-05-28  Ira Rosen  <irar@il.ibm.com>
862
863         PR tree-optimization/40254
864         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
865         in analysis of basic blocks.
866
867 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
868
869         PR middle-end/33699
870         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
871         * target-def.h (TARGET_CONST_ANCHOR): New macro.
872         (TARGET_INITIALIZER): Use it.
873         * cse.c (CHEAPER): Move it up to the other macros.
874         (insert): Rename this ...
875         (insert_with_costs): ... to this.  Add cost parameters.  Update
876         function comment.
877         (insert): New function.  Call insert_with_costs.
878         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
879         find_reg_offset_for_const, try_const_anchors): New functions.
880         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
881         when using a const-anchor.  Call insert_const_anchors.
882         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
883         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
884
885 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
886
887         * tree-inline.c (remap_decls): Enable nonlocalized variables
888         when not optimizing.
889
890 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
891
892         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
893         Simplify other tests involving optimize.
894
895 2009-05-27  Tom Tromey  <tromey@redhat.com>
896
897         * unwind-dw2.c (_Unwind_DebugHook): New function.
898         (uw_install_context): Call _Unwind_DebugHook.
899
900 2009-05-27  Tom Tromey  <tromey@redhat.com>
901
902         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
903
904 2009-05-27  Ian Lance Taylor  <iant@google.com>
905
906         * Makefile.in (LINKER, LINKER_FLAGS): Define.
907         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
908         (ALL_LINKERFLAGS): Define.
909         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
910         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
911         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
912         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
913         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
914         $(LINKER_FOR_BUILD).
915         (build/gcov-iov$(build_exeext)): Likewise.
916
917 2009-05-27  Julian Brown  <julian@codesourcery.com>
918
919         * gcse.c (target.h): Include.
920         (can_assign_to_reg_without_clobbers_p): Check that the target allows
921         copy of argument to a pseudo register.
922
923 2009-05-27  Diego Novillo  <dnovillo@google.com>
924
925         * tree-ssa-live.c (dump_scope_block): Document arguments.
926         (dump_scope_blocks): Document.
927         (debug_scope_blocks): New.
928         * tree-flow.h (debug_scope_blocks): Declare.
929
930 2009-05-21  Denis Chertykov  <denisc@overta.ru>
931
932         * doc/contrib.texi (Contributors): Add myself to the list.
933
934 2009-05-27  Olivier Hainque  <hainque@adacore.com>
935
936         * expr.c (target_align): New function.  Alignment the TARGET of an
937         assignment may be assume to have.
938         (highest_pow2_factor_for_target): Use it instead of relying on
939         immediate tree attributes of TARGET, not necessarily honored when
940         intermediate bitfields are involved.
941         
942 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
943
944         PR target/40266
945         * config/i386/driver-i386.c (host_detect_local_cpu): Support
946         AVX, SSE4, AES, PCLMUL and POPCNT.
947
948 2009-05-27  Diego Novillo  <dnovillo@google.com>
949
950         * tree-pretty-print.c (dump_location): New.
951         (dump_generic_node): Call it.
952         Factor code to handle BLOCK nodes ...
953         (dump_block_node): ... here.
954
955 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
956
957         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
958         with it.
959         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
960         included.
961         * gcc-plugin.h: Include config.h and system.h.
962         (IN_GCC): Define if not defined.
963
964 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
965
966         PR middle-end/40249
967         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
968         with -fno-inline.
969
970 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
971
972         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
973         applicable.
974         * config/m32r/m32r.h: Ditto.
975         * config/m32r/m32r.md: Ditto.
976         * config/m32r/predicates.md: Ditto.
977
978 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
979
980         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
981
982 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
983
984         * doc/plugins.texi
985         (Loading plugins): typo.
986         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
987         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
988         (Interacting with the GCC Garbage Collector): Added new section.
989         (Giving information about a plugin): Added new section for
990         PLUGIN_INFO.
991         * ggc.h (ggc_register_root_tab): Added declaration.
992         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
993         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
994         (register_callback): Improved comment in declaration.
995         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
996         (extra_root_vec) Added static variable for dynamic roots registration.
997         (ggc_register_root_tab) Added new routine.
998         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
999         PLUGIN_GGC_MARKING event.
1000         * ggc-zone.c: Include plugin.h.
1001         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
1002         * ggc-page.c: Include plugin.h.
1003         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
1004         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
1005         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
1006         (register_callback): check lack of callbacks for
1007         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
1008         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
1009         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
1010         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
1011         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
1012         dependency on plugin.h.
1013         (plugin.o): Added dependency on ggc.h...
1014
1015 2009-05-26  Richard Guenther  <rguenther@suse.de>
1016
1017         PR middle-end/40248
1018         Revert
1019         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
1020         with mismatched comparison modes.
1021
1022         * expr.c (expand_expr_real_1): Expand the operand of a
1023         VIEW_CONVERT_EXPR in its natural mode.
1024
1025 2009-05-26  Ian Lance Taylor  <iant@google.com>
1026
1027         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
1028         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
1029         (ALL_COMPILERFLAGS): Define.
1030         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
1031         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
1032         (collect2$(exeext), collect2.o): Likewise.
1033         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
1034         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
1035         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
1036         (libbackend.o, intl.o, cppdefault.o): Likewise.
1037         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
1038         (build/%.o): Use $(COMPILER_FOR_BUILD).
1039         (build/gen%$(build_exeext)): Likewise.
1040         (build/gcov-iov$(build_exeext)): LIkewise.
1041         * config/t-darwin (darwin.o): Use $(COMPILER).
1042         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
1043         * config/t-sol2 (sol2-c.o): Likewise.
1044         (sol2.o): Likewise.
1045         * config/t-vxworks (vxworks.o): Likewise.
1046         * config/x-darwin (host-darwin.o): Likewise.
1047         * config/x-hpux (host-hpux.o): Likewise.
1048         * config/x-linux (host-linux.o): Likewise.
1049         * config/x-solaris (host-solaris.o): Likewise.
1050         * config/alpha/x-alpha (driver-alpha.o): Likewise.
1051         * config/arm/t-arm (arm-c.o): Likewise.
1052         * config/arm/t-pe (pe.o): Likewise.
1053         * config/arm/t-wince-pe (pe.o): Likewise.
1054         * config/i386/t-cygming (winnt.o): Likewise.
1055         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
1056         * config/i386/t-cygwin (cygwin1.o): Likewise.
1057         (cygwin2.o): Likewise.
1058         * config/i386/t-i386 (i386-c.o): Likewise.
1059         * config/i386/t-interix (winnt.o): Likewise.
1060         * config/i386/t-netware (netware.o): Likewise.
1061         * config/i386/t-nwld (nwld.o): Likewise.
1062         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
1063         * config/i386/x-i386 (driver-i386.o): Likewise.
1064         * config/i386/x-cygwin (host-cygwin.o): Likewise.
1065         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
1066         * config/ia64/t-ia64 (ia64-c.o): Likewise.
1067         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
1068         * config/mips/x-native (driver-native.o): Likewise.
1069         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
1070         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
1071         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
1072         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
1073         * config/score/t-score-elf (score7.o): Likewise.
1074         (score3.o): Likewise.
1075         * config/sh/t-sh (sh-c.o): Likewise.
1076         * config/sh/t-symbian (sh-c.o): Likewise.
1077         (symbian.o): Likewise.
1078         * config/spu/t-spu-elf (spu-c.o): Likewise.
1079         * config/v850/t-v850 (v850-c.o): Likewise.
1080         * config/v850/t-v850e (v850-c.o): Likewise.
1081
1082 2009-05-26  Richard Guenther  <rguenther@suse.de>
1083
1084         PR tree-optimization/40122
1085         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
1086         VECTOR_CSTs if possible.
1087         (fold_gimple_assign): Likewise.
1088
1089 2009-05-26  Richard Guenther  <rguenther@suse.de>
1090
1091         PR middle-end/40252
1092         * fold-const.c (fold_binary): Use the correct types for building
1093         rotates.
1094
1095 2009-05-26  Richard Guenther  <rguenther@suse.de>
1096
1097         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
1098         redundant calls to merge_alias_info.
1099         (bump_vector_ptr): Likewise.
1100         * tree-ssa-copy.c (merge_alias_info): Remove.
1101         (replace_exp_1): Remove call to merge_alias_info.
1102         (propagate_tree_value): Likewise.
1103         (fini_copy_prop): Propagate points-to info.
1104         * tree-flow.h (merge_alias_info): Remove.
1105
1106 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1107
1108         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
1109
1110 2009-05-25  Jan Hubicka  <jh@suse.cz>
1111
1112         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1113         * cgraph.h (struct inline_summary): New filed self_wize,
1114         size_inlining_benefit, self_time and time_inlining_benefit.
1115         (struct cgraph_global_info): Replace insns by time ans size fields.
1116         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1117         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1118         (ipcp_update_callgraph): Do not touch function bodies.
1119         * ipa-inline.c: Include except.h
1120         (MAX_TIME): New constant.
1121         (overall_insns): Remove.
1122         (leaf_node_p): New.
1123         (overall_size, max_benefit): New static variables.
1124         (cgraph_estimate_time_after_inlining): New function.
1125         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1126         (cgraph_clone_inlined_nodes): Update size.
1127         (cgraph_mark_inline_edge): Update size.
1128         (cgraph_estimate_growth): Use size info.
1129         (cgraph_check_inline_limits): Check size.
1130         (cgraph_default_inline_p): Likewise.
1131         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1132         (cgraph_decide_recursive_inlining): Check size.
1133         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
1134         and times.
1135         (cgraph_decide_inlining): Likewise.
1136         (cgraph_decide_inlining_incrementally): Likewise; honor
1137         PARAM_EARLY_INLINING_INSNS.
1138         (likely_eliminated_by_inlining_p): New predicate.
1139         (estimate_function_body_sizes): New function.
1140         (compute_inline_parameters): Use it.
1141         * except.c (must_not_throw_labels): New function.
1142         * except.h (must_not_throw_labels): Declare.
1143         * tree-inline.c (init_inline_once): Kill inlining_weigths
1144         * tree-ssa-structalias.c: Avoid uninitialized warning.
1145         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1146         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1147         (PARAM_INLINE_CALL_COST): Remove.
1148         (PARAM_EARLY_INLINING_INSNS): New.
1149
1150 2009-05-25  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/36327
1153         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
1154         callback for reference translation or lookup at the point of may-defs.
1155         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
1156         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
1157         for union COMPONENT_REFs.
1158         (vn_reference_lookup_3): New callback.  Lookup from memset
1159         and CONSTRUCTOR assignment, translate through struct copies.
1160         (vn_reference_lookup_pieces): Make sure to not free the
1161         passed operands array.  Adjust walk_non_aliased_vuses call.
1162         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
1163         make sure we do not leak memory.
1164
1165 2009-05-25  Richard Guenther  <rguenther@suse.de>
1166
1167         * tree-ssa-alias.h (dump_points_to_solution): Declare.
1168         * tree-inline.c (expand_call_inline): Reset the escaped and
1169         callused solutions.
1170         * tree-ssa-structalias.c (pass_build_ealias): New.
1171         * tree-pass.h (pass_build_ealias): Declare.
1172         * passes.c (init_optimization_passes): Add PTA during 
1173         early optimizations.
1174         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
1175         and CALLUSED solutions.
1176         (dump_points_to_solution): New function, split out from ...
1177         (dump_points_to_info_for): ... here.
1178         * tree-parloops.c (parallelize_loops): Reset the escaped and
1179         callused solutions.
1180
1181 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1182
1183         PR bootstrap/40027
1184         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
1185         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
1186
1187 2009-05-25  Ira Rosen  <irar@il.ibm.com>
1188
1189         PR tree-optimization/40238
1190         * tree-vect-stmts.c (vect_init_vector): Insert initialization
1191         statements after basic block's labels.
1192         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
1193         to free the allocated memory.
1194
1195 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
1196
1197         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
1198         return address with a USE.
1199
1200 2009-05-24  Richard Guenther  <rguenther@suse.de>
1201
1202         PR middle-end/40233
1203         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
1204         array type from the main variant of the inner type.
1205
1206 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1207
1208         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
1209         definition to bool (from int) to un-break build.
1210         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
1211
1212 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
1213
1214         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
1215         discard_stmt_changes): Delete.
1216         * tree-ssa-operands.c (scb_stack): Delete.
1217         (init_ssa_operands): Do not initialize it.
1218         (fini_ssa_operands): Do not free it.
1219         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
1220
1221         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
1222         update_stmt, remove the others.  Fix comments.
1223         * tree-dfa.c (optimize_stack_restore): Likewise.
1224         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
1225         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
1226         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
1227         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
1228         Likewise.
1229         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1230         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
1231         (dom_opt_finalize_block): Likewise, adjusting access to
1232         stmts_to_rescan.
1233         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
1234         (stmts_to_rescan): Change item type to gimple.
1235         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
1236
1237 2009-05-24  Ira Rosen  <irar@il.ibm.com>
1238
1239         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
1240         * tree-pass.h (pass_slp_vectorize): New pass.
1241         * params.h (SLP_MAX_INSNS_IN_BB): Define.
1242         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
1243         * tree-vectorizer.c (timevar.h): Include.
1244         (user_vect_verbosity_level): Declare.
1245         (vect_location): Fix comment.
1246         (vect_set_verbosity_level): Update user_vect_verbosity_level
1247         instead of vect_verbosity_level.
1248         (vect_set_dump_settings): Add an argument. Ignore user defined
1249         verbosity if dump flags require higher level of verbosity. Print to
1250         stderr only for loop vectorization.
1251         (vectorize_loops): Update call to vect_set_dump_settings.
1252         (execute_vect_slp): New function.
1253         (gate_vect_slp): Likewise.
1254         (struct gimple_opt_pass pass_slp_vectorize): New.
1255         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
1256         access its members.
1257         (vec_info_for_bb): New function.
1258         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
1259         (VECTORIZATION_ENABLED): New macro.
1260         (SLP_ENABLED, SLP_DISABLED): Likewise.
1261         (vect_is_simple_use): Add bb_vec_info argument.
1262         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
1263         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
1264         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
1265         vect_schedule_slp, vect_analyze_slp): Likewise.
1266         (vect_analyze_stmt): Add slp_tree argument.
1267         (find_bb_location): Declare.
1268         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
1269         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
1270         (vect_analyze_loop_operations, vect_analyze_loop,
1271         get_initial_def_for_induction, vect_create_epilog_for_reduction,
1272         vect_finalize_reduction, vectorizable_reduction,
1273         vectorizable_live_operation, vect_transform_loop): Likewise.
1274         * tree-data-ref.c (dr_analyze_innermost): Update comment,
1275         skip evolution analysis if analyzing a basic block.
1276         (dr_analyze_indices): Likewise.
1277         (initialize_data_dependence_relation): Skip the test whether the
1278         object is invariant for basic blocks.
1279         (compute_all_dependences): Skip dependence analysis for data
1280         references in basic blocks.
1281         (find_data_references_in_stmt): Don't fail in case of invariant
1282         access in basic block.
1283         (find_data_references_in_bb): New function.
1284         (find_data_references_in_loop): Move code to
1285         find_data_references_in_bb and add a call to it.
1286         (compute_data_dependences_for_bb): New function.
1287         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
1288         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
1289         that STEP is 0.
1290         (vect_analyze_data_ref_dependence): Check for interleaving in case of
1291         unknown dependence in basic block and fail in case of dependence in
1292         basic block.
1293         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
1294         dependence instances from either loop or basic block vectorization
1295         info.
1296         (vect_compute_data_ref_alignment): Check if it is loop vectorization
1297         before calling nested_in_vect_loop_p.
1298         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
1299         dependence instances from either loop or basic block vectorization
1300         info.
1301         (vect_verify_datarefs_alignment): Likewise.
1302         (vect_enhance_data_refs_alignment): Adjust function calls.
1303         (vect_analyze_data_refs_alignment): Likewise.
1304         (vect_analyze_group_access): Fix printing. Skip different checks if
1305         DR_STEP is 0. Keep strided stores either in loop or basic block
1306         vectorization data structure. Fix indentation.
1307         (vect_analyze_data_ref_access): Fix comments, allow zero step in
1308         basic blocks.
1309         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
1310         dependence instances from either loop or basic block vectorization
1311         info.
1312         (vect_analyze_data_refs): Update comment. Call
1313         compute_data_dependences_for_bb to analyze basic blocks.
1314         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
1315         case of loop vectorization. In case of basic block vectorization use
1316         data-ref itself as a base.
1317         (vect_create_data_ref_ptr): In case of basic block vectorization:
1318         don't advance the pointer, add new statements before the current
1319         statement.  Adjust function calls.
1320         (vect_supportable_dr_alignment): Support only aligned accesses in
1321         basic block vectorization.
1322         * common.opt (ftree-slp-vectorize): New flag.
1323         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
1324         (vect_pattern_recog_1): Likewise.
1325         * tree-vect-stmts.c (process_use): Likewise.
1326         (vect_init_vector): Add new statements in the beginning of the basic
1327         block in case of basic block SLP.
1328         (vect_get_vec_def_for_operand): Adjust function calls.
1329         (vect_finish_stmt_generation): Likewise.
1330         (vectorizable_call): Add assert that it is loop vectorization, adjust
1331         function calls.
1332         (vectorizable_conversion, vectorizable_assignment): Likewise.
1333         (vectorizable_operation): In case of basic block SLP, take
1334         vectorization factor from statement's type and skip the relevance
1335         check. Adjust function calls.
1336         (vectorizable_type_demotion): Add assert that it is loop
1337         vectorization, adjust function calls.
1338         (vectorizable_type_promotion): Likewise.
1339         (vectorizable_store): Check for outer loop only in case of loop
1340         vectorization. Adjust function calls. For basic blocks, skip the
1341         relevance check and don't advance pointers.
1342         (vectorizable_load): Likewise.
1343         (vectorizable_condition): Add assert that it is loop vectorization,
1344         adjust function calls.
1345         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
1346         that it is not reduction, get vector type, call only supported
1347         functions, skip loop specific parts.
1348         (vect_transform_stmt): Check for outer loop only in case of loop
1349         vectorization.
1350         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
1351         (vect_is_simple_use): Fix comment, add new argument, fix conditions
1352         for external definition.
1353         * passes.c (pass_slp_vectorize): New pass.
1354         * tree-vect-slp.c (find_bb_location): New function.
1355         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
1356         check for patterns only in loops.
1357         (vect_build_slp_tree): Add argument, adjust function calls, fail in
1358         case of multiple types in basic block SLP.
1359         (vect_mark_slp_stmts_relevant): New function.
1360         (vect_supported_load_permutation_p): Fix comment.
1361         (vect_analyze_slp_instance): Add argument. In case of basic block
1362         SLP, take vectorization factor from statement's type, check that
1363         unrolling factor is 1. Adjust function call. Save SLP instance in
1364         either loop or basic block vectorization structure. Return FALSE,
1365         if SLP failed.
1366         (vect_analyze_slp): Add argument. Get strided stores groups from
1367         either loop or basic block vectorization structure. Return FALSE
1368         if basic block SLP failed.
1369         (new_bb_vec_info): New function.
1370         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
1371         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
1372         (vect_schedule_slp): Add argument. Get SLP instances from either
1373         loop or basic block vectorization structure. Set vectorization factor
1374         to be 1 for basic block SLP.
1375         (vect_slp_transform_bb): New function.
1376         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
1377
1378 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
1379
1380         * final.c (shorten_branches): Do not align labels for jump tables.
1381         (final_scan_insn): Use JUMP_TABLE_DATA_P.
1382
1383 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
1386         Remove outdated reference to flow.c and fix nits.
1387         * doc/gccint.texi: Tweak RTL description.
1388         * doc/rtl.texi: Likewise.
1389
1390 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
1391
1392         * config/avr/avr.c: Change my email address.
1393         * config/avr/avr.h: Likewise.
1394         * config/avr/avr.md: Likewise.
1395         * config/avr/avr-protos.h: Likewise.
1396         * config/avr/libgcc.S: Likewise.
1397
1398 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1399
1400         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
1401         (spu_split_load, spu_split_store): Change return type to int.
1402         (spu_split_convert): Declare.
1403         * config/spu/predicates.md (spu_mem_operand): Remove.
1404         (spu_mov_operand): Update.
1405         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
1406         * config/spu/spu.c (regno_aligned_for_load): Remove.
1407         (reg_aligned_for_addr, spu_expand_load): Define.
1408         (spu_expand_extv): Reimplement and handle MEM.
1409         (spu_expand_insv): Handle MEM.
1410         (spu_sched_reorder): Handle insn's with length 0.
1411         (spu_legitimate_address_p): Reimplement.
1412         (store_with_one_insn_p): Return TRUE for any mode with size
1413         larger than 16 bytes.
1414         (address_needs_split): Define.
1415         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
1416         operands.
1417         (spu_convert_move): Define.
1418         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
1419         (spu_split_store): Change all MEM's to TImode.
1420         (spu_init_expanders): Preallocate registers that correspond to
1421         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
1422         mark_reg_pointer.
1423         (spu_split_convert): Define.
1424         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
1425         (_move<mode>, _movdi, _movti): Update predicate and condition.
1426         (load, store): Change to define_split.
1427         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
1428         extend<mode>ti2.
1429         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
1430         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
1431         define_insn_and_split of lshr<mode>3.
1432         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
1433         (<v>ashr<mode>3_imm): Define.
1434         (extv, extzv, insv): Allow MEM operands.
1435         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
1436         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
1437         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
1438         (_spu_convert2): Change to define_insn_and_split and remove the
1439         corresponding define_peephole2.
1440         (stack_protect_set, stack_protect_test, stack_protect_test_si):
1441         Change predicates to memory_operand.
1442
1443 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
1444
1445         * config/arm/thumb2.md: Add 16-bit multiply instructions.
1446
1447 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1448
1449         PR tree-optimization/40219
1450         * tree.c (iterative_hash_expr): Make sure the builtin function is
1451         a normal builtin function and not a front end or back end builtin
1452         before indexing into the built_in_decls array.
1453
1454 2009-05-22  Richard Guenther  <rguenther@suse.de>
1455
1456         PR middle-end/38964
1457         * alias.c (write_dependence_p): Do not use TBAA for answering
1458         anti-dependence or output-dependence.
1459         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
1460         (emit_pointer_definition): Remove.
1461         (emit_alias_warning): Likewise.
1462         (find_what_var_points_to): Remove TBAA pruning code.
1463         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
1464         violations.
1465         (compute_points_to_sets): Remove code computing the set of
1466         dereferenced pointers.
1467         * tree-data-ref.c (dr_may_alias_p): Properly use the split
1468         oracle for querying anti and output dependencies.
1469         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
1470         if TBAA may be applied.
1471         (refs_anti_dependent_p): New function.
1472         (refs_output_dependent_p): Likewise.
1473         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
1474         (refs_output_dependent_p): Likewise.
1475         * doc/tree-ssa.texi (Memory model): New section.
1476         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
1477         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
1478         * cfgexpand.c (expand_gimple_basic_block): Do not handle
1479         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
1480         * expr.c (expand_expr_real_1): Likewise.
1481         * gimple-low.c (lower_stmt): Likewise.
1482         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
1483         (dump_gimple_cdt): Remove.
1484         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
1485         (gimple_size): Likewise.
1486         (walk_gimple_op): Likewise.
1487         (is_gimple_stmt): Likewise.
1488         (walk_stmt_load_store_addr_ops): Likewise.
1489         (gimple_build_cdt): Remove.
1490         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
1491         * gimple.h (gimple_cdt_new_type): Remove.
1492         (gimple_cdt_new_type_ptr): Likewise.
1493         (gimple_cdt_set_new_type): Likewise.
1494         (gimple_cdt_location): Likewise.
1495         (gimple_cdt_location_ptr): Likewise.
1496         (gimple_cdt_set_location): Likewise.
1497         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
1498         * tree-cfg.c (remove_useless_stmts_1): Do not handle
1499         GIMPLE_CHANGE_DYNAMIC_TYPE.
1500         (verify_types_in_gimple_stmt): Likewise.
1501         * tree-inline.c (estimate_num_insns): Likewise.
1502         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
1503         (copy_decl_to_var): Likewise.
1504         (copy_result_decl_to_var): Likewise.
1505         * tree-pretty-print.c (dump_generic_node): Do not handle
1506         CHANGE_DYNAMIC_TYPE_EXPR.
1507         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1508         * tree-ssa-operands.c (get_expr_operands): Likewise.
1509         * tree-ssa-structalias.c (struct variable_info): Remove
1510         no_tbaa_pruning member.
1511         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
1512         (unify_nodes): Do not copy it.
1513         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
1514         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
1515         (set_uids_in_ptset): Do not check it.
1516         (find_what_var_points_to): Likewise.
1517         (compute_tbaa_pruning): Remove.
1518         (compute_points_to_sets): Do not call it.
1519         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
1520         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
1521         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
1522         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
1523         (DECL_NO_TBAA_P): Likewise.
1524         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
1525         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
1526         (expand_omp_atomic_pipeline): Do not set it.
1527         * print-tree.c (print_node): Do not dump it.
1528         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1529         redundant check.
1530
1531 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
1532
1533         PR target/39856
1534         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
1535         for clobber.
1536
1537 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
1538
1539         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
1540         non-external.
1541
1542 2009-05-22  Ben Elliston  <bje@au.ibm.com>
1543
1544         * Makefile.in (bversion.h, s-bversion): New targets.
1545         (TOPLEV_H): Add bversion.h.
1546         * toplev.h: Include "bversion.h".
1547         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
1548         the __format__ attribute only if compiling with the same version
1549         of GCC as the sources (the "build version").
1550
1551 2009-05-22  Ben Elliston  <bje@au.ibm.com>
1552
1553         * c-format.c (handle_format_attribute): Fix comment typo.
1554
1555 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
1556
1557         PR target/37846
1558         * config/ia64/ia64.opt (mfused-madd): New.
1559         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
1560         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
1561         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
1562         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
1563         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
1564         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
1565         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
1566         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
1567         instruction if !TARGET_FUSED_MADD.
1568         (fpma, fpms): Remove colon from name.
1569
1570 2009-05-22  Richard Guenther  <rguenther@suse.de>
1571
1572         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
1573         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
1574         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
1575         TARGET_MEM_REF.
1576         (create_expression_by_pieces): Only convert if necessary.
1577         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
1578         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
1579
1580 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
1581
1582         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
1583         regular pattern from a template and rename it ...
1584         (*extzv_truncsi_exts): ... to this.
1585
1586 2009-05-21  Richard Guenther  <rguenther@suse.de>
1587
1588         * cgraph.h (struct cgraph_node): Remove inline_decl member.
1589         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
1590         (cgraph_default_inline_p): Likewise.
1591         (cgraph_decide_inlining_incrementally): Likewise.
1592
1593 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1594             Uros Bizjak  <ubizjak@gmail.com>
1595
1596         * config/i386/cpuid.h (bit_MOVBE): New.
1597
1598         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
1599
1600         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
1601         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
1602         (ix86_handle_option): Handle OPT_mmovbe.
1603         (ix86_target_string): Add -mmovbe.
1604         (pta_flags): Add PTA_MOVBE.
1605         (processor_alias_table): Add PTA_MOVBE to "atom".
1606         (override_options): Handle PTA_MOVBE.
1607
1608         * config/i386/i386.h (TARGET_MOVBE): New.
1609
1610         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
1611         (*bswapsi_movbe): New.
1612         (*bswapdi_movbe): Likewise.
1613         (bswapdi2): Renamed to ...
1614         (*bswapdi_1): This.
1615         (bswapdi2): New expander.
1616
1617         * config/i386/i386.opt (mmovbe): New.
1618
1619         * doc/invoke.texi: Document -mmovbe.
1620
1621 2009-05-21  Taras Glek  <tglek@mozilla.com>
1622
1623         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
1624         * gcc-plugin.h (plugin_init): Updated signature.
1625         * gcc-plugin.h (plugin_name_args): Moved to this header.
1626         * doc/plugins.texi (plugin_init): Updated documention to reflect
1627         API change.
1628         * doc/plugins.texi (plugin_name_args): Added to documention.
1629
1630 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
1631
1632         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
1633         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
1634
1635 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
1636
1637         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
1638         JUMP_TABLE_DATA_P predicates where applicable.
1639         * config/i386/predicates.md: Ditto.
1640         * config/i386/sse.md: Ditto.
1641
1642 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
1643
1644         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
1645         operand2 -128 override length_immediate attribute to 1.
1646         * config/i386/predicates.md (constm128_operand): New predicate.
1647
1648         * config/i386/i386.c (memory_address_length): Handle %r12
1649         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
1650         also check REGNO.
1651         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
1652         mode look through optional ZERO_EXTEND and SUBREG.
1653         * config/i386/i386.md (R12_REG): New define_constant.
1654         (prefix_data16): For sse unit set also for MODE_TI insns.
1655         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
1656         insns set if operand 1 is ext_QIreg_operand.
1657         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
1658         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
1659         immediate.
1660         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
1661         mode from MODE_DI to MODE_SI.
1662         (movdi_1_rex64): Override modrm and length_immediate attributes
1663         only for movabs (TYPE_IMOV, alternative 2).
1664         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
1665         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
1666         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
1667         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
1668         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
1669         prefix_rex attribute if DImode.
1670         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
1671         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
1672         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
1673         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
1674         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
1675         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
1676         Likewise.  For TYPE_IMOV clear length_immediate attribute.
1677         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
1678         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
1679         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
1680         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
1681         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
1682         or one operand TYPE_ISHIFT.
1683         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
1684         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
1685         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
1686         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
1687         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
1688         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
1689         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
1690         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
1691         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
1692         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
1693         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
1694         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
1695         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
1696         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
1697         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
1698         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
1699         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
1700         set mode attribute, don't override length attribute.
1701         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
1702         to 1.
1703         (return_internal_long): Set length attribute to 2 instead of 1.
1704         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
1705         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
1706         prefix_rex attribute.
1707         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
1708         New predicates.
1709         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
1710
1711 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1712
1713         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
1714
1715 2009-05-20  Ian Lance Taylor  <iant@google.com>
1716
1717         * tree.c (build_tree_list_vec_stat): New function.
1718         (ctor_to_vec): New function.
1719         (build_nt_call_vec): New function.
1720         (build_call_array): Change args to be a const pointer.
1721         (build_call_vec): New function.
1722         * tree.h (build_nt_call_vec): Declare.
1723         (build_tree_list_vec_stat): Declare.
1724         (build_tree_list_vec): Define.
1725         (build_call_array): Update declaration.
1726         (build_call_vec): Declare.
1727         (ctor_to_vec): Declare.
1728         * c-common.c (tree_vector_cache): New static variable.
1729         (make_tree_vector): New function.
1730         (release_tree_vector): New function.
1731         (make_tree_vector_single): New function.
1732         (make_tree_vector_copy): New function.
1733         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
1734         (make_tree_vector_single, make_tree_vector_copy): Declare.
1735         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
1736         (c_parser_expr_list): Don't manage cache here, instead call
1737         make_tree_vector.
1738         (c_parser_release_expr_list): Remove static function.
1739         (c_parser_vec_to_tree_list): Remove static function.
1740         (c_parser_attributes): Call build_tree_list_vec instead of
1741         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
1742         c_parser_release_expr_list.
1743         (c_parser_postfix_expression_after_primary): Likewise.
1744         (c_parser_objc_keywordexpr): Likewise.
1745
1746 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
1747
1748         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
1749         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
1750         TARGET_CONVERT_TO_TYPE.
1751         * hooks.c (hook_tree_const_tree_null): Define.
1752         * hooks.h (hook_tree_const_tree_null): Declare.
1753         * target.h (struct gcc_target):  Add invalid_parameter_type,
1754         invalid_return_type, promoted_type, and convert_to_type fields.
1755         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
1756         (TARGET_INVALID_RETURN_TYPE): Define.
1757         (TARGET_PROMOTED_TYPE): Define.
1758         (TARGET_CONVERT_TO_TYPE): Define.
1759         (TARGET_INITIALIZER): Update for new fields.
1760         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
1761         (grokparms): Check targetm.invalid_parameter_type.
1762         * c-typeck.c (default_conversion): Check targetm.promoted_type.
1763         * c-convert.c (convert): Check targetm.convert_to_type.
1764
1765 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
1766
1767         * config/mips/mips.md (*extenddi_truncate<mode>,
1768         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
1769         defintions.
1770         (*extendhi_truncateqi): New define_insn_and_sptit.
1771
1772 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
1773
1774         PR middle-end/40204
1775         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
1776         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
1777
1778 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1779
1780         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
1781         the operand of VIEW_CONVERT_EXPR.
1782
1783 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         * config/i386/driver-i386.c (host_detect_local_cpu): Check
1786         extended family and model for Intel processors.  Support Intel Atom.
1787
1788 2009-05-20  Olivier Hainque  <hainque@adacore.com>
1789
1790         * gstab.h (stab_code_type): Define, to be used instead of the
1791         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
1792         notice.
1793         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
1794         occurrences by stab_code_type.
1795         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
1796
1797 2009-05-20  Martin Jambor  <mjambor@suse.cz>
1798
1799         * tree-flow.h (insert_edge_copies_seq): Undeclare.
1800         (sra_insert_before): Likewise.
1801         (sra_insert_after): Likewise.
1802         (sra_init_cache): Likewise.
1803         (sra_type_can_be_decomposed_p): Likewise.
1804         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
1805         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
1806         (sra_insert_before): Likewise.
1807         (sra_insert_after): Likewise.
1808         (sra_init_cache): Likewise.
1809         (insert_edge_copies_seq): Made static and moved upwards.
1810
1811         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
1812         case.
1813
1814         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
1815
1816         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
1817         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
1818         simple copies.
1819
1820 2009-05-20  Richard Guenther  <rguenther@suse.de>
1821
1822         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
1823         with mismatched comparison modes.
1824
1825 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1826
1827         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
1828         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
1829         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
1830         with shifts for Thumb2.
1831         (orsi_notsi): New for orn.
1832         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
1833         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
1834         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
1835         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
1836         Don't invert remainder for IOR.
1837         
1838 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
1839
1840         PR tree-optimization/40087
1841         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
1842         number_of_iterations_ne): Rename never_infinite argument.
1843         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
1844         number_of_iterations_le): Handle pointer-type ivs when
1845         exit_must_be_taken is false.
1846         (number_of_iterations_cond):  Do not always assume that
1847         exit_must_be_taken if the control variable is a pointer.
1848
1849 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1850
1851         * c-typeck.c (build_binary_op): Allow % on integal vectors.
1852         * doc/extend.texi (Vector Extension): Document that % is allowed too.
1853
1854 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1855
1856         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
1857         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
1858
1859 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1860
1861         PR c/40172
1862         * c.opt (Wlogical-op): Disabled by default.
1863         * c-opt (c_common_post_options): Do not enable Wlogical-op with
1864         Wextra.
1865         * doc/invoke.texi (Wlogical-op): Likewise.
1866         
1867 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1868
1869         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
1870         into CASE_CONVERT.
1871         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
1872         Propagate the type of the first operand.
1873         <ASSERT_EXPR>: Simplify.
1874         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
1875         Rewrite using the RHS code as discriminant.
1876         <NOP_EXPR>: Turn into CASE_CONVERT.
1877         <PLUS_EXPR>: Propagate the type of the first operand.
1878
1879 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
1880
1881         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
1882         (ia64_dconst_0_375): New.
1883         * config/ia64/ia64.c (ia64_override_options): Remove
1884         -minline-sqrt-min-latency warning.
1885         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
1886         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
1887         * config/ia64/ia64.md (*sqrt_approx): Remove.
1888         (sqrtsf2): Remove #if 0.
1889         (sqrtsf2_internal_thr): Rewrite and move to div.md.
1890         (sqrtdf): Remove assert.
1891         (sqrtdf2_internal_thr): Rewrite and move to div.md.
1892         (sqrtxf2): Remove #if 0.
1893         (sqrtxf2_internal_thr): Rewrite and move to div.md.
1894         * div.md (sqrt_approx_rf): New.
1895         (sqrtsf2_internal_thr): New implementation.
1896         (sqrtsf2_internal_lat): New.
1897         (sqrtdf2_internal_thr: New implementation.
1898         (sqrtxf2_internal): New implementation.
1899
1900 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
1901             Hans-Peter Nilsson  <hp@axis.com>
1902
1903         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
1904         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
1905         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
1906         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
1907         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
1908         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
1909         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
1910         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
1911         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
1912         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
1913         * c-common.c: ...from here.
1914
1915 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1916
1917         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
1918
1919 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1920
1921         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
1922
1923 2009-05-19  Ben Elliston  <bje@au.ibm.com>
1924
1925         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
1926         assignments with memcpy calls.
1927         (add_fdes): Likewise.
1928         (binary_search_unencoded_fdes): Likewise.
1929         (linear_search_fdes): Eliminate type puns.
1930         
1931 2009-05-19  Richard Guenther  <rguenther@suse.de>
1932
1933         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
1934         not falsely claim to have propagated into all uses.
1935
1936 2009-05-19  Ben Elliston  <bje@au.ibm.com>
1937
1938         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
1939         version to v3.0.
1940
1941 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1942
1943         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
1944         * config/sh/sh.c (sh_legitimate_address_p): Make static.
1945         (TARGET_LEGITIMATE_ADDRESS_P): New.
1946         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1947         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1948         
1949 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
1950
1951         PR debug/40109
1952         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
1953         child of the containing namespace's DIE.
1954
1955 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
1956
1957         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
1958         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
1959         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
1960         extend patterns.
1961
1962 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1963
1964         PR target/39942
1965         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
1966         gen_align with gen_pad.
1967         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
1968         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
1969
1970         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
1971         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
1972
1973         * config/i386/i386.md (align): Renamed to ...
1974         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
1975         ASM_OUTPUT_MAX_SKIP_PAD.
1976
1977 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
1978
1979         * config.gcc: Fix variable syntax.
1980
1981         PR target/39531
1982         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
1983         before calling exact_log2.
1984         (output_iorsi3): Likewise.
1985         (output_xorsi3): Likewise.
1986
1987 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1988
1989         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
1990         for the none zero constant operand except for EQ and NE
1991         comprisons even when the first operand is R0.
1992
1993 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1994
1995         * config/s390/2064.md: Remove trailing whitespaces.
1996         * config/s390/2084.md: Likewise.
1997         * config/s390/constraints.md: Likewise.
1998         * config/s390/fixdfdi.h: Likewise.
1999         * config/s390/libgcc-glibc.ver: Likewise.
2000         * config/s390/s390-modes.def: Likewise.
2001         * config/s390/s390-protos.h: Likewise.
2002         * config/s390/s390.c: Likewise.
2003         * config/s390/s390.h: Likewise.
2004         * config/s390/s390.md: Likewise.
2005         * config/s390/tpf-unwind.h: Likewise.
2006
2007 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
2008
2009         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
2010
2011 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
2012
2013         M68K TLS support.
2014         * configure.ac (m68k-*-*): Check if binutils support TLS.
2015         * configure: Regenerate.
2016         * config/m68k/predicates.md (symbolic_operand): Extend comment.
2017         * config/m68k/constraints.md (Cu): New constraint.
2018         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
2019         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
2020         (movsi): Handle TLS symbols.
2021         (addsi3_5200): Handle XTLS symbols, indent.
2022         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
2023         (m68k_tls_reference_p): Declare.
2024         (m68k_legitimize_address): Declare.
2025         (m68k_unwrap_symbol): Declare.
2026         * config/m68k/m68k.opt (mxtls): New option.
2027         * config/m68k/m68k.c (ggc.h): Include.
2028         (m68k_output_dwarf_dtprel): Implement hook.
2029         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
2030         (m68k_expand_prologue): Load GOT pointer when function needs it.
2031         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
2032         (m68k_legitimate_constant_address_p): Same.
2033         (m68k_decompose_address): Handle TLS references.
2034         (m68k_get_gp): New static function.
2035         (enum m68k_reloc): New contants.
2036         (TLS_RELOC_P): New macro.
2037         (m68k_wrap_symbol): New static function.
2038         (m68k_unwrap_symbol): New function.
2039         (m68k_final_prescan_insn_1): New static function.
2040         (m68k_final_prescan_insn): New function.
2041         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
2042         functions.
2043         (legitimize_pic_address): Handle TLS references..
2044         (m68k_tls_get_addr, m68k_get_tls_get_addr)
2045         (m68k_libcall_value_in_a0_p)
2046         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
2047         (m68k_call_m68k_read_tp): Helper variables and functions for ...
2048         (m68k_legitimize_tls_address): Handle TLS references.
2049         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
2050         New functions.
2051         (m68k_legitimize_address): Handle TLS symbols.
2052         (m68k_get_reloc_decoration): New static function.
2053         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
2054         UNSPEC_RELOC32.
2055         (m68k_output_dwarf_dtprel): Implement hook.
2056         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
2057         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
2058         m68k_call_* routines.
2059         (sched_attr_op_type): Handle TLS symbols.
2060         (gt-m68k.h): Include.
2061         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
2062         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
2063
2064 2009-05-18  Martin Jambor  <mjambor@suse.cz>
2065
2066         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
2067         (visit_store_addr_for_mod_analysis): New function.
2068         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
2069         (determine_cst_member_ptr): Use gimple_assign_single_p.
2070         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
2071         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
2072         operands.  Don't check number of operands of a NOP_EXPR.
2073
2074 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
2075
2076         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
2077
2078 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2079
2080         PR c/40172
2081         * c-common.c (warn_logical_operator): Don't warn if one of
2082         expression isn't always true or false.
2083
2084 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
2085
2086         * config/i386/biarch32.h: New file.
2087         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
2088
2089 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
2090
2091         * config/mips/mips.md (*zero_extend<mode>_trunchi,
2092         *zero_extend<mode>_truncqi): Merge these into ...
2093         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
2094         Name the pattern following this as *zero_extendhi_truncqi.
2095
2096 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
2097
2098         PR middle-end/39301
2099         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
2100         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
2101         (output_info): Make field HOST_WIDEST_INT.
2102         (print_statistics): Use HOST_WIDEST_INT_PRINT.
2103         (dump_bitmat_statistics): Same.
2104
2105 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
2106
2107         * config.gcc (use_gcc_stdint):  Set to wrap.
2108         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2109         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2110         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2111         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2112         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2113         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2114         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2115         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2116
2117 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
2118
2119         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
2120         tune_64.
2121         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
2122         Move definitions earlier.
2123         (OPT_ARCH64, OPT_ARCH32): Define.
2124         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
2125         and tune_64.
2126
2127 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
2128
2129         PR target/40153
2130         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
2131         implies.
2132
2133 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
2134
2135         * arm.md (movdi2): Copy non-reg values to DImode registers.
2136
2137 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
2138
2139         PR target/39942
2140         * final.c (label_to_max_skip): New function.
2141         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
2142         CODE_LABEL_NUMBER <= max_labelno.
2143         * output.h (label_to_max_skip): New prototype.
2144         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
2145         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
2146         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
2147         Handle CODE_LABELs with >= 16 byte alignment or with
2148         max_skip == (1 << align) - 1.
2149         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
2150         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
2151
2152         PR target/39942
2153         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
2154         .p2align 3 if MAX_SKIP is smaller than 7.
2155         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
2156
2157 2009-05-15  Ian Lance Taylor  <iant@google.com>
2158
2159         * alias.c (struct alias_set_entry_d): Rename from struct
2160         alias_set_entry.  Change all uses.
2161         * except.c (struct call_site_record_d): Rename from struct
2162         call_site_record.  Change all uses.
2163         * except.h (struct eh_region_d): Rename from struct eh_region.
2164         Change all uses.
2165         * gcse.c (struct hash_table_d): Rename from struct hash_table.
2166         Change all uses.
2167         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
2168         ivtype_map_elt.  Change all uses.
2169         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
2170         Change all uses.
2171         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
2172         * graphite.h (struct name_tree_d): Rename from struct name_tree.
2173         Change all uses.
2174         (struct sese_d): Rename from struct sese.  Change all uses.
2175         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
2176         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
2177         * optabs.h (struct optab_d): Rename from struct optab.  Change all
2178         uses.
2179         (struct convert_optab_d): Rename from struct convert_optab.
2180         Change all uses.
2181         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
2182         ipa_opt_pass.  Change all uses.
2183         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
2184         all uses.
2185
2186         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
2187         defined as a typedef.
2188         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
2189         defined as a tag.
2190
2191 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2192
2193         PR 16302
2194         * fold-const.c (make_range,build_range_check,merge_ranges): Move
2195         declaration to...
2196         (merge_ranges): Returns bool. 
2197         * tree.h (make_range): .. to here.
2198         (build_range_check): Likewise.
2199         (merge_ranges): Likewise. Renamed from merge_ranges.
2200         * c-typeck.c (parser_build_binary_op): Update calls to
2201         warn_logical_operator.
2202         * c-common.c (warn_logical_operator): Add new warning.
2203         * c-common.h (warn_logical_operator): Update declaration.
2204         
2205 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2206
2207         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
2208         
2209 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2210
2211         * doc/install.texi: Document MPC requirements, flags etc.
2212
2213         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
2214         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
2215         Evaluate constant arguments.
2216         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
2217         (fold_builtin_1): Likewise, also evaluate constant arguments.
2218         Remove superfluous break.
2219         (do_mpc_ckconv): New.
2220         * real.h: Include mpc.h.
2221         * toplev.c (print_version): Output MPC version info if available.
2222
2223 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2224
2225         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
2226
2227 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2228
2229         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
2230         only once.
2231
2232 2009-05-15  Jan Hubicka  <jh@suse.cz>
2233
2234         * doc/invoke.texi (max-early-inliner-iterations): New flag.
2235         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
2236         (try_inline): Fix return value.
2237         (cgraph_decide_inlining_incrementally): Honor new value.
2238         (cgraph_early_inlining): Handle indirect inlining.
2239         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
2240
2241 2009-05-15  Jan Hubicka  <jh@suse.cz>
2242
2243         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
2244         * cgraphunit.c (cgraph_finalize_function): Set it.
2245         (cgraph_expand_function): Use it.
2246
2247 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2248
2249         * real.c (encode_ieee_half): Define.
2250         (decode_ieee_half): Define.
2251         (ieee_half_format): Define.
2252         (arm_half_format): Define.
2253         * real.h (ieee_half_format): Declare.
2254         (arm_half_format): Declare.
2255
2256 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2257
2258         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
2259         swapped, and reversed optabs exist before trying to use them.
2260
2261 2009-05-15  Paul Brook  <paul@codesourcery.com>
2262             Sandra Loosemore  <sandra@codesourcery.com>
2263
2264         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
2265         loads.  Allow PRE_DEC.
2266         (output_move_neon): Handle PRE_DEC.
2267         (arm_print_operand): Add 'A' for neon structure loads.
2268         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
2269         * config/arm/neon.md (neon_mov): Update comment.
2270         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
2271         calls.
2272         (Um): New constraint.
2273
2274 2009-05-15  Jan Hubicka  <jh@suse.cz>
2275
2276         Revert the following patch until testsuite fallout is fixed:
2277         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
2278         * cgraph.h (struct inline_summary): New filed self_wize,
2279         size_inlining_benefit, self_time and time_inlining_benefit.
2280         (struct cgraph_global_info): Replace insns by time ans size fields.
2281         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
2282         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
2283         (ipcp_update_callgraph): Do not touch function bodies.
2284         * ipa-inline.c: Include except.h
2285         (MAX_TIME): New constant.
2286         (overall_insns): Remove
2287         (overall_size, max_benefit): New static variables.
2288         (cgraph_estimate_time_after_inlining): New function.
2289         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
2290         (cgraph_clone_inlined_nodes): Update size.
2291         (cgraph_mark_inline_edge): Update size.
2292         (cgraph_estimate_growth): Use size info.
2293         (cgraph_check_inline_limits): Check size.
2294         (cgraph_default_inline_p): Likewise.
2295         (cgraph_edge_badness): Compute badness based on benefit and size cost.
2296         (cgraph_decide_recursive_inlining): Check size.
2297         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
2298         and times.
2299         (cgraph_decide_inlining): Likewise.
2300         (cgraph_decide_inlining_incrementally): Likewise; honor
2301         PARAM_EARLY_INLINING_INSNS.
2302         (likely_eliminated_by_inlining_p): New predicate.
2303         (estimate_function_body_sizes): New function.
2304         (compute_inline_parameters): Use it.
2305         * except.c (must_not_throw_labels): New function.
2306         * except.h (must_not_throw_labels): Declare.
2307         * tree-inline.c (init_inline_once): Kill inlining_weigths
2308         * tree-ssa-structalias.c: Avoid uninitialized warning.
2309         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
2310         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
2311         (PARAM_INLINE_CALL_COST): Remove.
2312         (PARAM_EARLY_INLINING_INSNS): New.
2313
2314 2009-05-15  Richard Guenther  <rguenther@suse.de>
2315
2316         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
2317         not TODO_update_ssa.
2318
2319 2009-05-15  Richard Guenther  <rguenther@suse.de>
2320
2321         PR tree-optimization/39999
2322         * gimple.h (gimple_expr_type): Use the expression type looking
2323         through useless conversions.
2324         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
2325         (vn_nary_op_insert_stmt): Likewise.
2326         (simplify_binary_expression): Likewise.
2327
2328 2009-05-15  Richard Guenther  <rguenther@suse.de>
2329
2330         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
2331         New options, enabled by default.
2332         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
2333         Document.
2334         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
2335         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
2336         * tree-ssa-structalias.c (gate_tree_pta): New function.
2337         (pass_build_alias): Use it.
2338
2339 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
2340
2341         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
2342         recurse on an invariant address if a conversion from a pointer
2343         type to a wider integer type is involved.
2344
2345 2009-05-15  Jan Hubicka  <jh@suse.cz>
2346
2347         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
2348         * cgraph.h (struct inline_summary): New filed self_wize,
2349         size_inlining_benefit, self_time and time_inlining_benefit.
2350         (struct cgraph_global_info): Replace insns by time ans size fields.
2351         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
2352         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
2353         (ipcp_update_callgraph): Do not touch function bodies.
2354         * ipa-inline.c: Include except.h
2355         (MAX_TIME): New constant.
2356         (overall_insns): Remove
2357         (overall_size, max_benefit): New static variables.
2358         (cgraph_estimate_time_after_inlining): New function.
2359         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
2360         (cgraph_clone_inlined_nodes): Update size.
2361         (cgraph_mark_inline_edge): Update size.
2362         (cgraph_estimate_growth): Use size info.
2363         (cgraph_check_inline_limits): Check size.
2364         (cgraph_default_inline_p): Likewise.
2365         (cgraph_edge_badness): Compute badness based on benefit and size cost.
2366         (cgraph_decide_recursive_inlining): Check size.
2367         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
2368         and times.
2369         (cgraph_decide_inlining): Likewise.
2370         (cgraph_decide_inlining_incrementally): Likewise; honor
2371         PARAM_EARLY_INLINING_INSNS.
2372         (likely_eliminated_by_inlining_p): New predicate.
2373         (estimate_function_body_sizes): New function.
2374         (compute_inline_parameters): Use it.
2375         * except.c (must_not_throw_labels): New function.
2376         * except.h (must_not_throw_labels): Declare.
2377         * tree-inline.c (init_inline_once): Kill inlining_weigths
2378         * tree-ssa-structalias.c: Avoid uninitialized warning.
2379         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
2380         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
2381         (PARAM_INLINE_CALL_COST): Remove.
2382         (PARAM_EARLY_INLINING_INSNS): New.
2383         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
2384         (inline-call-cost): Remove.
2385         (early-inlining-insns): New.
2386
2387 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
2388
2389         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
2390         for bounds.
2391         (print_int_cst_bounds_in_octal_p): Likewise.
2392         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
2393         with subtypes.
2394         * dwarf2out.c (base_type_die): Likewise.
2395         (is_subrange_type): Delete.
2396         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
2397         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
2398         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
2399         if the destination type is boolean.
2400         (build_range_check): Do not special-case subtypes.
2401         (fold_sign_changed_comparison): Likewise.
2402         (fold_unary): Likewise.
2403         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
2404         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
2405         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
2406         * tree.c (subrange_type_for_debug_p): New predicate based on the
2407         former is_subrange_type.
2408         * tree.h (subrange_type_for_debug_p): Declare.
2409         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
2410         (convert_affine_scev): Remove call to above function.
2411         (chrec_convert_aggressive): Likewise.
2412         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
2413         false for conversions involving subtypes.
2414         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
2415         (vrp_val_min): Likewise.
2416         (needs_overflow_infinity): Likewise.
2417         (extract_range_from_unary_expr): Likewise.
2418
2419 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
2420
2421         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
2422         * config/frv/frv.c: Likewise.
2423         * config/s390/s390.c: Likewise.
2424         * config/sparc/sparc.h: Likewise.
2425         * config/i386/i386.h: Likewise.
2426         * config/i386/i386.c: Likewise.
2427         * config/crx/crx.c: Likewise.
2428         * config/m68hc11/m68hc11.h: Likewise.
2429         * config/iq2000/iq2000.c: Likewise.
2430         * config/mn10300/mn10300.h: Likewise.
2431         * config/mn10300/mn10300.c: Likewise.
2432         * config/m68k/m68k.c: Likewise.
2433         * config/rs6000/rs6000.c: Likewise.
2434         * config/rs6000/xcoff.h: Likewise.
2435         * config/rs6000/linux64.h: Likewise.
2436         * config/rs6000/sysv4.h: Likewise.
2437         * config/score/score3.c: Likewise.
2438         * config/score/score7.c: Likewise.
2439         * config/score/score.c: Likewise.
2440         * config/arm/arm.md: Likewise.
2441         * config/mips/mips.c: Likewise.
2442         * config/mips/mips.md: Likewise.
2443         * config/bfin/bfin.h: Likewise.
2444         * config/pa/pa.c: Likewise.
2445         * config/pa/constraints.md: Likewise.
2446
2447         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
2448         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
2449         * config/pdp11/pdp11.h: Use memory_address_p instead.
2450
2451 2009-05-14  Ian Lance Taylor  <iant@google.com>
2452
2453         * passes.c (finish_optimization_passes): Change i to int.
2454         * plugin.c (plugins_active_p): Change event to int.
2455         (dump_active_plugins): Likewise.
2456         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
2457         Add cast.
2458         * tree.c (tree_range_check_failed): Change c to unsigned int.
2459         (omp_clause_range_check_failed): Likewise.
2460         (build_common_builtin_nodes): Change mode to int.  Add cast.
2461         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
2462         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
2463
2464         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
2465         ++ or -- with a variable of enum type.
2466
2467 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2468
2469         PR driver/40144
2470         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
2471
2472 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2473
2474         * store-motion.c: Do not include params.h
2475         * Makefile.in: Fix dependencies for various files.
2476
2477 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2478
2479         * auto-inc-dec.c: Fix pass description, remove apparent
2480         accidental duplication.
2481
2482 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2483
2484         PR middle-end/40147
2485         * ipa-utils.h (memory_identifier_string): Moved to ...
2486         * tree.h (memory_identifier_string): Here.  Add GTY(()).
2487
2488 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
2489
2490         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
2491         in the former documentation of...
2492         (GO_IF_LEGITIMATE_ADDRESS): ... this.
2493         * ira-conflicts.c (get_dup_num): Use address_operand.
2494         * targhooks.c (default_legitimate_address_p): New.
2495         * targhooks.h (default_legitimate_address_p): New.
2496         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
2497         Call hook.
2498         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
2499         * target.h (struct target): Add legitimate_address_p.
2500         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
2501         (TARGET_INITIALIZER): Include it.
2502
2503         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2504         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
2505         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
2506         (TARGET_LEGITIMATE_ADDRESS_P): New.
2507
2508         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2509         (REG_OK_STRICT_P): Delete.
2510         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
2511         (frv_legitimate_address_p_1): ... this.
2512         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
2513         (frv_legitimate_address_p_1): ... the renamed old
2514         frv_legitimate_address_p.
2515         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
2516         (TARGET_LEGITIMATE_ADDRESS_P): New.
2517
2518         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2519         * config/s390/s390-protos.h (legitimate_address_p): Remove.
2520         * config/s390/s390.c (legitimate_address_p): Rename to...
2521         (s390_legitimate_address_p): ... this, make static.
2522         (legitimize_address): Adjust call.
2523         (TARGET_LEGITIMATE_ADDRESS_P): New.
2524         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
2525
2526         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2527         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
2528         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
2529         (TARGET_LEGITIMATE_ADDRESS_P): New.
2530
2531         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2532         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
2533         * config/spu/spu.c (spu_legitimate_address): Rename to...
2534         (spu_legitimate_address_p): ... this, make static.
2535         (TARGET_LEGITIMATE_ADDRESS_P): New.
2536
2537         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2538         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
2539         * config/sparc/sparc.c (legitimate_address_p): Rename to...
2540         (sparc_legitimate_address_p): ... this, make static and return bool.
2541         (legitimize_address): Adjust call.
2542         (TARGET_LEGITIMATE_ADDRESS_P): New.
2543
2544         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2545         * config/i386/i386-protos.h (legitimate_address_p): Remove.
2546         * config/i386/i386.c (legitimate_address_p): Rename to...
2547         (ix86_legitimate_address_p): ... this, make static.
2548         (constant_address_p): Move after it, adjust call.
2549         (TARGET_LEGITIMATE_ADDRESS_P): New.
2550
2551         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2552         * config/avr/avr-protos.h (legitimate_address_p): Remove.
2553         * config/avr/avr.c (legitimate_address_p): Rename to...
2554         (avr_legitimate_address_p): ... this, make static.
2555         (legitimize_address): Adjust call.
2556         (TARGET_LEGITIMATE_ADDRESS_P): New.
2557
2558         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2559         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
2560         * config/crx/crx.c (crx_legitimate_address_p): Make static.
2561         (TARGET_LEGITIMATE_ADDRESS_P): New.
2562
2563         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2564         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
2565         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
2566         (TARGET_LEGITIMATE_ADDRESS_P): New.
2567
2568         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2569         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
2570         Remove.
2571         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
2572         Make static.
2573         (TARGET_LEGITIMATE_ADDRESS_P): New.
2574
2575         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2576         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
2577         Remove.
2578         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
2579         Rename to...
2580         (m68hc11_legitimate_address_p): ... this, make static.
2581         (go_if_legitimate_address_internal): Rename to...
2582         (m68hc11_legitimate_address_p_1): ... this.
2583         (legitimize_address): Adjust call.
2584         (TARGET_LEGITIMATE_ADDRESS_P): New.
2585
2586         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2587         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
2588         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
2589         (TARGET_LEGITIMATE_ADDRESS_P): New.
2590
2591         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2592         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
2593         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
2594         (mn10300_legitimate_address_p): ... this, make static.
2595         (TARGET_LEGITIMATE_ADDRESS_P): New.
2596
2597         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2598         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
2599         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
2600         (TARGET_LEGITIMATE_ADDRESS_P): New.
2601
2602         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2603         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
2604         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
2605         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2606         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
2607         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
2608         (rs6000_legitimate_address_p): ... this, make static.
2609         (TARGET_LEGITIMATE_ADDRESS_P): New.
2610         (REG_MODE_OK_FOR_BASE_P): Delete.
2611         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
2612
2613         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2614         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
2615         Delete.
2616         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
2617         static, adjust types.
2618         (TARGET_LEGITIMATE_ADDRESS_P): New.
2619
2620         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2621         * config/score/score.c (score_address_p): Rename to...
2622         (score_legitimate_address_p): ... this.
2623         (TARGET_LEGITIMATE_ADDRESS_P): New.
2624         * config/score/score3.c (score3_address_p): Rename to...
2625         (score3_legitimate_address_p): ... this.
2626         * config/score/score7.c (score7_address_p): Rename to...
2627         (score7_legitimate_address_p): ... this.
2628
2629         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
2630         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
2631         GO_IF_LEGITIMATE_ADDRESS): Delete.
2632         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
2633         thumb2_legitimate_address_p): Delete.
2634         (arm_legitimate_address_p): Rename to...
2635         (arm_legitimate_address_outer_p): ... this.
2636         * config/arm/constraints.md ("Uq"): Adjust call.
2637         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
2638         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
2639         to...
2640         (arm_legitimate_address_outer_p): ... this.
2641         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
2642         static.
2643         (TARGET_LEGITIMATE_ADDRESS_P): New.
2644
2645         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2646         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
2647         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
2648         (TARGET_LEGITIMATE_ADDRESS_P): New.
2649
2650         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2651         * config/vax/vax-protos.h (legitimate_address_p): Remove.
2652         * config/vax/vax.c (legitimate_address_p): Rename to...
2653         (vax_legitimate_address_p): ... this, make static.
2654         (TARGET_LEGITIMATE_ADDRESS_P): New.
2655
2656         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2657         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
2658         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
2659         (TARGET_LEGITIMATE_ADDRESS_P): New.
2660
2661         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2662         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
2663         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
2664         (mmix_legitimate_address_p): ... this, make static.
2665         (TARGET_LEGITIMATE_ADDRESS_P): New.
2666
2667         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2668         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
2669         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
2670         (TARGET_LEGITIMATE_ADDRESS_P): New.
2671
2672 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
2673
2674         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
2675         of MODE_COMPLEX_INT.
2676
2677 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2678
2679         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
2680         LCT_NORMAL in function call.
2681         * mips-tdump.c (print_file_desc): Add cast to enum type.
2682         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
2683         (mark_stabs): Add casts to enum types.
2684         (parse_stabs_common): Add casts to enum types.
2685
2686 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
2687
2688         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
2689         Check for invalid values of LETTER.
2690
2691 2009-05-13  Taras Glek  <tglek@mozilla.com>
2692
2693         * attribs.c (register_attribute): moved out attribute registration
2694         into register_attribute.
2695         * doc/plugins.texi: Documented register_attribute and
2696         PLUGIN_ATTRIBUTES.
2697         * gcc-plugin.h: Added forward decl for register_attribute.
2698         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
2699         * plugin.c (register_callback, invoke_plugin_callbacks): Added
2700         PLUGIN_ATTRIBUTES boilerplate.
2701
2702 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
2703
2704         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
2705         values even in sentinel and empty entries.
2706         (ms_printf_flag_specs):  Likewise.
2707         (ms_scanf_flag_specs):  Likewise.
2708         (ms_strftime_flag_specs):  Likewise.
2709         (ms_print_char_table):  Likewise.
2710         (ms_scan_char_table):  Likewise.
2711         (ms_time_char_table):  Likewise.
2712
2713 2009-05-13  Doug Kwan  <dougkwan@google.com>
2714
2715         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
2716
2717 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
2718
2719         * config/mips/mips.md (store): Add attributes for QI and HI.
2720         Update comment.
2721         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
2722         (truncdi<mode>2): ... this new pattern.
2723
2724 2009-05-13  Brad Hards  <bradh@kde.org>
2725
2726         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
2727
2728 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
2729             Ben Elliston <bje@au.ibm.com>
2730
2731         PR middle-end/40035
2732         * dse.c (check_mem_read_rtx): Guard against width == -1.
2733
2734 2009-05-13  Michael Matz  <matz@suse.de>
2735
2736         PR middle-end/39976
2737         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
2738         (trivially_conflicts_p): New function.
2739         (insert_backedge_copies): Use it.
2740
2741 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
2742
2743         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
2744         (handle_stdc_pragma): Use new enum constant names.
2745         (handle_pragma_float_const_decimal64): Ditto.
2746
2747 2009-05-13  Ian Lance Taylor  <iant@google.com>
2748
2749         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
2750         tree.def.
2751
2752 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
2753
2754         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
2755         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
2756         multilibs.
2757         * config/m68k/m68k.h (FL_UCLINUX): Define.
2758
2759 2009-05-13  Jan Hubicka  <jh@suse.cz>
2760
2761         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
2762
2763 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2764
2765         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
2766         unless -fschedule-insns is specified.
2767
2768 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2769
2770         PR target/39561
2771         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
2772         TARGET_EXPAND_CBRANCHDI4.
2773         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
2774         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
2775         (cmpeqdi): Fix comment.
2776
2777 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2778
2779         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
2780         (sh_legitimate_address_p): Likewise.
2781         * config/sh/sh.c (sh_legitimate_index_p): New.
2782         (sh_legitimate_address_p): Likewise.
2783         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
2784         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
2785         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
2786         (MAYBE_BASE_REGISTER_RTX_P): New macro.
2787         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
2788         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
2789         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
2790         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
2791         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
2792
2793 2009-05-12  Jan Hubicka  <jh@suse.cz>
2794
2795         * tree-inline.c (estimate_operator_cost): Add operands;
2796         when division happens by constant, it is cheap.
2797         (estimate_num_insns): Loads and stores are not having cost of 0;
2798         EH magic stuff is cheap; when computing runtime cost of switch,
2799         use log2 base of amount of its cases; builtin_expect has cost of 0;
2800         compute cost for moving return value of call.
2801         (init_inline_once): Initialize time_based flags.
2802         * tree-inline.h (eni_weights_d): Add time_based flag.
2803
2804 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2805
2806         * df-core.c: Update head documentation.
2807
2808 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2809
2810         PR bootstrap/40118
2811         * rs6000.c (rs6000_generate_compare): Use op1b instead of
2812         shadowing exisiting variable op1.
2813
2814 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
2815
2816         PR target/37179
2817         * config/i386/driver-i386.c (processor_signatures): New enum.
2818         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
2819         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
2820         processor signature to detect geode processor.
2821
2822 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2823
2824         Revert:
2825
2826         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2827
2828         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2829         causes spurious differences between trunk and cond-optab branch.
2830
2831 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2832
2833         * dojump.c (compare_from_rtx): Delete.
2834         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
2835         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
2836         if the comparison does not satisfy the predicate; test predicates for
2837         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
2838         further if one existing pattern fails.
2839         * expr.h (compare_from_rtx): Delete.
2840         (prepare_operand): Declare it.
2841         * optabs.c: Change "lib call" to "libcall" throughout.
2842         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
2843         HAVE_conditional_trap, emit_cmp_insn): Delete.
2844         (can_compare_p): Delete cmp_optab case.
2845         (prepare_float_lib_cmp): Return an rtx and a machine mode.
2846         Accept other parameters by value.
2847         (prepare_operand): Make non-static.
2848         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
2849         other parameters by value.  Try to widen operands here based on
2850         an optab_methods argument and looking at cbranch_optab.
2851         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
2852         loop.  Use cbranch_optab directly.
2853         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
2854         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
2855         assertion.
2856         (emit_conditional_move, emit_conditional_add): Inline what's needed
2857         of compare_from_rtx, using new prepare_cmp_insn for the rest.
2858         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
2859         with COMPARE.  Move cmov_optab and cstore_optab above
2860         with cbranch_optab, move cmp_optab down with ucmp_optab,
2861         remove tst_otpab.  Do not initialize trap_rtx.
2862         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
2863         for trap code.  Do not check HAVE_conditional_trap.  Use
2864         prepare_cmp_insn.  Accept no predicate for operand 3.
2865         * optabs.h (OTI_cmp): Mark as used only for libcalls.
2866         (OTI_ctrap, ctrap_optab): New.
2867         (tst_optab): Delete.
2868         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
2869         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
2870         with lookup of ctrap_optab.
2871         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
2872         Delete.
2873         (ctrap_optab): New.
2874
2875         * combine.c (combine_simplify_rtx, simplify_set): Do not
2876         special case comparing against zero for cc0 machines.
2877         * simplify-rtx.c (simplify_binary_operation_1): Never remove
2878         COMPARE on cc0 machines.
2879         (simplify_relational_operation): Return a new expression when
2880         a COMPARE could be removed.
2881         * final.c (final_scan_insn): Compare cc_status values
2882         against LHS of a (compare FOO (const_int 0)) cc0 source.
2883         Also check if cc_status.value is the full compare.
2884
2885         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
2886         (cstoreMM4): Document.
2887         (conditional_trap): Document ctrapMM4 instead.
2888         (sync_compare_and_swapMM): Refer to cbranchcc4.
2889         (Dependent Patterns): Eliminate obsolete information referring to
2890         the old jump optimization phase.
2891         (Canonicalization): Include cbranchcc4 case, omit canonicalization
2892         of compares with 0 on cc0 machines.
2893         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
2894         avoiding references to cc0.  Remove text about storing operands
2895         in cmpMM.
2896         * doc/tm.texi (Condition Codes): Include blurb on different
2897         condition code representations, separate into subsections for
2898         CC0, MODE_CC and conditional execution.
2899
2900         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
2901         alpha_emit_setcc): Accept operands and a machine mode.
2902         * config/alpha/alpha.c (alpha_emit_conditional_branch):
2903         Get code/op0/op1 from operands, use machine mode argument
2904         instead of alpha_compare.fp_p.  Emit the branch here.
2905         (alpha_emit_setcc): Likewise, and return boolean.
2906         (alpha_emit_conditional_move): Likewise.  Assert that
2907         cmp_op_mode == cmp_mode, and simplify accordingly.
2908         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
2909         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
2910         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
2911         Delete.
2912         (stack probe test): Use cbranchdi4.
2913         * config/alpha/predicates.md (alpha_cbranch_operator): New.
2914
2915         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
2916         * config/arc/arc.h (movsicc, movsfcc): Use it.
2917         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
2918         (cbranchsi4, cstoresi4): New.
2919         (cmpsi, bCC and sCC expanders): Remove. 
2920
2921         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
2922         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
2923         * config/arm/predicates.md (arm_comparison_operator): Only include
2924         floating-point operators if there is a hardware floating-point unit.
2925         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
2926         deferring to cbranch_cc and cstore_cc respectively.
2927         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
2928         cbranch_cc, cstore_cc): New.
2929         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
2930         arm_compare_op1.
2931         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
2932
2933         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
2934         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
2935         as an argument.
2936         (adjust_insn_length): Adjust calls.
2937         (avr_reorg): Handle (compare (foo) (const_int 0)).
2938         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
2939         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
2940         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
2941         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
2942         (bCC): Remove.
2943         (cbranchqi4, cbranchhi4, cbranchsi4): New.
2944         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
2945
2946         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
2947         (cbranchsi4, cstorebi4, cstoresi4): New.
2948         (movbisi): This insn is duplicate, split it to zero_extend.
2949         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
2950         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
2951         (bfin_optimize_loop): Use cbranch expander.
2952         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
2953         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
2954         (bfin_bimode_comparison_operator): ... this.
2955         (bfin_direct_comparison_operator): New.
2956  
2957         * config/cris/cris.c (cris_normal_notice_update_cc): Look
2958         inside (compare FOO (const_int 0)).
2959         (cris_rtx_costs): Handle ZERO_EXTRACT.
2960         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
2961         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
2962         (*tstdi_v32): Delete.
2963         (*cmpdi_non_v32): Add M alternative for operand 1.
2964         (cmpsi, cmp<mode>): Make private.
2965         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
2966         with COMPARE.
2967         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
2968
2969         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
2970         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
2971         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
2972         (cc_reg_operand): New.
2973         (any_cond): Delete.
2974         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
2975         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
2976         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
2977         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
2978         crx_expand_scond): Delete.
2979
2980         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
2981         (cbranchsi4): New.
2982         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
2983         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
2984
2985         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
2986         cstoresi4, cstoresf4, cstoredf4): New.
2987         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
2988         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2989         Receive the entire operands array.
2990         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
2991         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
2992         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
2993         Get test/op0/op1 from the operands array.
2994         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
2995
2996         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
2997         (h8300_expand_store): New.
2998         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
2999         (const_int 0)).
3000         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
3001         (h8300_expand_store): New.
3002         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
3003         or do not try to produce (set (cc0) REG).
3004         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
3005         change a compare into a move to a scratch register.  Disable some
3006         peepholes when comparing with zero.
3007         (tstsi, tsthi, tstsi, cmpqi): Make private.
3008         (cmphi): Delete.
3009         (bCC, sCC): Delete.
3010         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
3011         cstoresi4): New.
3012
3013         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
3014         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
3015         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
3016         (ix86_emit_i387_log1p): Use cbranchxf2.
3017         (ix86_expand_setcc): Return void.
3018         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
3019         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
3020         cmp<MODEF>, cmpcc): Remove.
3021         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
3022         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
3023         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
3024         (sCC and bCC expanders): Remove.
3025         (stack_protect_test): Use cbranchcc4.
3026
3027         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
3028         Delete.
3029         (ia64_expand_compare): Accept three rtx by reference and return void.
3030         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
3031         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
3032         from *expr.  Update *expr with the BImode comparison to do.
3033         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
3034         cmptf, bCC, sCC, conditional_trap): Delete.
3035         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
3036         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
3037         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
3038         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
3039         * config/ia64/predicates.md (ia64_cbranch_operator): New.
3040
3041         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
3042         type of last argument.
3043         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
3044         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
3045         use machine mode argument instead of branch_type.  Remove dead
3046         code for floating-point comparisons.
3047         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
3048         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
3049         Remove.
3050         (cbranchsi4, cstoresi4): New.
3051         * config/iq2000/predicates.md (reg_or_const_operand): New.
3052
3053         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
3054         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
3055         (b<code>_op): Rewrite to...
3056         (bcc_op): ... this, using match_operator.
3057         (s<code>_op): Rewrite to...
3058         (scc_op): ... this, using match_operator.
3059         (s<code>_24_op): Rewrite to...
3060         (scc_op_24): ... this, using match_operator.
3061         (s<code>_<mode>): Rewrite to...
3062         (cstore<mode>4): ... this, using match_operator.
3063         (s<code>_<mode>_24): Rewrite to...
3064         (cstore<mode>4_24): ... this, using match_operator.
3065         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
3066         m32c_unpend_compare, m32c_expand_scc): Delete.
3067         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
3068         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
3069         (m32c_expand_movcc): Change NE to EQ if necessary.
3070         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
3071
3072         * config/m32r/m32r-protos.h (gen_cond_store): New.
3073         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
3074         (gen_cond_store): New, from sCC patterns.
3075         (m32r_expand_block_move): Use cbranchsi4.
3076         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
3077         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
3078         (cbranchsi4, cstoresi4): New.
3079         
3080         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
3081         Delete.
3082         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
3083         (m68hc11_notice_update_cc): Look into a compare with 0.
3084         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
3085         Delete.
3086         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
3087         cmphi, cmpqi, bCC): Delete.
3088         (cbranchsi4, cbranchhi4, cbranchqi4): New.
3089         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
3090         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
3091         sets with COMPARE.
3092
3093         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
3094         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
3095         * config/m68k/constraints.md (H): New.
3096         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
3097         the define_insn below.
3098         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
3099         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
3100         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
3101         patterns): Wrap RHS with COMPARE.
3102         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
3103         (*cmpdi_internal): Name this pattern.
3104         (cmpdi): Change to define_insn.
3105         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
3106         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
3107         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
3108         predicate.
3109         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
3110         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
3111         (conditional_trap): Change to...
3112         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
3113         (*conditional_trap): Use the ordered_comparison_operator and
3114         const1_operand predicates.
3115         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
3116         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
3117         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
3118         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
3119
3120         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
3121         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
3122         (mcore_gen_compare): New. 
3123         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
3124         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
3125         (mcore_gen_compare): ... this.
3126         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
3127         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
3128         (stack probe pattern): Use cbranchsi4.
3129
3130         * config/mips/predicates.md (mips_cstore_operator): New.
3131         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
3132         * config/mips/mips.md (any_cond): Delete.
3133         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
3134         always succeed.
3135         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
3136         fixuns_truncsfdi2): Use cbranch patterns.
3137         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
3138         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
3139         Adjust call to mips_expand_conditional_branch.
3140         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
3141         cstore<GPR:mode>4.
3142         * config/mips/mips-protos.h (mips_expand_conditional_branch,
3143         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
3144         * config/mips/mips.c (cmp_operands): Delete.
3145         (mips_emit_compare): Get comparison operands from *op0/*op1.
3146         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
3147         that it succeeds.  Use op0/op1 instead of cmp_operands.
3148         (mips_expand_conditional_branch, mips_expand_conditional_move,
3149         mips_expand_conditional_trap): Likewise.
3150         (mips_block_move_loop): Use cbranch patterns. 
3151         * config/mips/mips.h (cmp_operands): Delete.
3152
3153         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
3154         (mmix_gen_compare_reg): Just return a register in the right CC mode.
3155         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
3156         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
3157         (*cmpcc_folded): Rename to...
3158         (*cmpdi_folded): this.
3159         (*cmpcc): Rename to...
3160         (*cmps): ... this.
3161         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
3162         (bCC): Remove.
3163         (cbranchdi4): New.
3164         (cbranchdf4): New.  Handle invalid comparisons here.
3165         * config/mmix/predicates.md (float_comparison_operator): New.
3166
3167         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
3168         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
3169         * config/mn10300/mn10300.md (tst): Delete.
3170         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
3171         Name these patterns and wrap RHS in a compare.
3172         (*cmpsi): Make this pattern private.  Include tst.
3173         (*cmpsf): Make this pattern private.
3174         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
3175         (compare with zero peepholes): Likewise.
3176         (bCC): Remove.
3177         (cbranchsi4, cbranchsf4): New.
3178         (casesi): Use cbranchsi4.
3179
3180         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
3181         hppa_branch_type): Delete.
3182         (return_addr_rtx): Use cbranchsi4.
3183         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
3184         Emit CCFPmode comparison here.
3185         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
3186         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
3187         hppa_branch_type): Delete.
3188         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
3189         (movsicc, movdicc): Remove references to hppa_compare_op0,
3190         hppa_compare_op1 and compare_from_rtx.
3191         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
3192         (casesi): Use cbranchsi4.
3193
3194         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
3195         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
3196         * config/pdp11/pdp11.md (register_or_const0_operand): New.
3197         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
3198         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
3199         (bCC): Delete.
3200         (cbranchdf4, cbranchhi4, cbranchqi4): New.
3201         (*branch, *branch_inverted): New.
3202
3203         * config/picochip/picochip.md (cbranchhi4): Use
3204         ordered_comparison_operator.
3205         (cmphi, bCC): Remove.
3206
3207         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
3208         (trap_comparison_operator): Delete.
3209         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
3210         rs6000_emit_cbranch): Accept mode and operands.
3211         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
3212         rs6000_compare_fp_p): Delete.   
3213         (rs6000_generate_compare): Accept mode and comparison.  Extract code
3214         and op0/op1 from there.  Replace references to rs6000_compare_op0
3215         and rs6000_compare_op1.
3216         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
3217         extract result from passed operands.
3218         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
3219         extract loc from passed operands.
3220         (rs6000_emit_cmove): Likewise.
3221         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
3222         rs6000_compare_fp_p): Delete.
3223         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
3224         (cbranch<GPR>4, cbranch<FP>4): New.
3225         (cstore<mode>4): New.  Consolidate here all choices about when to use
3226         portable or specialized sCC sequences.
3227         (stack_protect_test): Use cbranchsi4.
3228         (conditional_trap): Replace with ctrap<GPR>4.
3229         (conditional trap insn): Replace trap_comparison_operator with
3230         ordered_comparison_operator. 
3231
3232         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
3233         (s390_emit_prologue): Use ctrap.
3234         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
3235         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
3236         New predicates replacing...
3237         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
3238         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
3239         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
3240         (add<mode>cc): Do not use s390_compare_op0/op1.
3241         (s<code>): Change to...
3242         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
3243         (seq): Change to...
3244         (cstorecc4): ... this.  Handle EQ or NE equally.
3245         (*sne): Un-privatize for use in cstorecc4.
3246         (b<code>): Change to...
3247         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
3248         (conditional_trap): Replace with...
3249         (ctrap<GPR>4, ctrap<FP>4): ... these.
3250         (stack_protect): Use cbranchcc4.
3251
3252         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
3253         * config/score/score-protos.h (score_gen_cmp): Delete.
3254         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
3255         (score_block_move-loop): Use cbranchsi4.
3256         * config/score/score.md (cbranchsi4): New.
3257         (cmpsi, bCC): Delete.
3258         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
3259         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
3260         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
3261         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
3262         * config/score/score3.h (score3_gen_cmp): Delete.
3263         * config/score/score7.h (score7_gen_cmp): Delete.
3264
3265         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
3266         (sh_emit_scc_to_t): ... this.  Return void.
3267         (from_compare): Rename to...
3268         (sh_emit_compare_and_branch): ... this.
3269         (sh_emit_compare_and_set): New.
3270         (sh_expand_t_scc): Accept operands.
3271         * config/sh/predicates.md (sh_float_comparison_operator): New.
3272         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
3273         (prepare_scc_operands): Rename to...
3274         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
3275         arguments.
3276         (sh_emit_cheap_store_flag): New.
3277         (sh_emit_set_t_insn): New.
3278         (from_compare): Rename to...
3279         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
3280         handling of TARGET_SH2E floating point to avoid recursive call.
3281         Generate branch here.
3282         (sh_emit_compare_and_set): New.
3283         (sh_expand_t_scc): Get op0/op1 from arguments.
3284         (sh_emit_cheap_store_flag): New.
3285         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
3286         cases.
3287         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
3288         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
3289         (movsicc, movdicc): Do nothing when it recreated operands from
3290         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
3291         prepare_scc_operands (now sh_emit_scc_to_t).
3292         (udivdi3): Use cstoresi4.
3293         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
3294         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
3295         (cbranchint4_media, cbranchfp4_media): New.
3296         (casesi): Use cbranchdi4.
3297         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
3298         Delete.
3299         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
3300         (movnegt): Remove second operand.
3301         (cbranchsf4, cbranchdf4): New.
3302         (stack_protect): Use cbranchdi4/cbranchsi4.
3303
3304         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
3305         (gen_compare_reg): Accept comparison, extract part of it to...
3306         (gen_compare_reg_1): ... this. 
3307         (gen_compare_operator): Delete.
3308         (gen_v9_scc): Accept separate destination, comparison code and arms.
3309         Do not use sparc_compare_op0/sparc_compare_op1.
3310         (emit_scc_insn, emit_conditional_branch_insn): New.
3311         (emit_v9_brxx): Make static.  Remove useless assertion.
3312         (sparc_emit_float_lib_cmp): Return RTL instead of calling
3313         emit_cmp_insn.
3314         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
3315         * config/sparc/sparc-protos.h (gen_compare_reg,
3316         sparc_emit_float_lib_cmp): Adjust prototype.
3317         (emit_scc_insn, emit_conditional_branch_insn): New.
3318         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
3319         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
3320         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
3321         iterators to the top.
3322         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
3323         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
3324         snedi_special_trunc): Delete.
3325         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
3326         and snedi_special_trunc.
3327         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
3328         cbranchdi4, cbranch<F:mode>4): New.
3329         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
3330         here.  Use gen_compare_reg instead of gen_compare_operator.
3331         (conditional_trap): Replace with...
3332         (ctrapsi4, ctrapdi4): ... this.
3333         (stack_protect_test): Use cbranchcc4.
3334
3335         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
3336         argument to rtx.
3337         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
3338         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
3339         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
3340         from operands[0] or operands[3] depending on is_set.
3341         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
3342         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
3343         cmpdf, bCC), sCC: Remove.
3344         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
3345         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
3346         cstoredf4): New.
3347         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
3348         spu_emit_branch_or_set.
3349
3350         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
3351         Add two arguments.
3352         * config/stormy16/stormy16.h (xstormy16_compare_op0,
3353         xstormy16_compare_op1): Delete.
3354         * config/stormy16/stormy16.c (xstormy16_compare_op0,
3355         xstormy16_compare_op1): Delete. 
3356         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
3357         Adjust calls.
3358         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
3359         (cmphi, cmpsi, bCC): Remove.
3360
3361         * config/v850/v850.md (tstsi, cmpsi): Fold into...
3362         (*cmpsi): ... this one.
3363         (cbranchsi4, cstoresi4): New.
3364         (bCC expanders): Delete.
3365         (sCC insns): Fold into...
3366         (*setcc): ... this one.
3367         (casesi): Do not use gen_cmpsi and gen_bgtu. 
3368         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
3369         (movsicc): Simplify.
3370         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
3371
3372         * config/vax/vax-protos.h (cond_name): New.
3373         (vax_output_conditional_branch): Remove.
3374         * config/vax/vax.c (cond_name): New.
3375         (vax_output_conditional_branch): Remove.
3376         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
3377         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
3378         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
3379         (bit<VAXint>): Wrap source with (compare).
3380         (b<code> and following unnamed pattern): Rename to *branch and
3381         *branch_reversed.  Change macroization to match_operator.
3382         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
3383
3384         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
3385         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
3386         Change last argument to machine_mode.
3387         (xtensa_expand_scc): Add machine_mode argument.
3388         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
3389         (gen_conditional_move, xtensa_expand_conditional_branch,
3390         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
3391         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
3392         Adjust operand numbers.
3393         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
3394         Delete.
3395         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
3396         (cmpsi, cmpsf, b<code>, s<code>): Delete.
3397         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
3398
3399 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3400
3401         * optabs.c (prepare_cmp_insn): Temporarily disable test that
3402         causes spurious differences between trunk and cond-optab branch.
3403
3404 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
3405
3406         PR target/37137
3407         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
3408
3409 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
3410
3411         * tree.c (iterative_hash_pointer): Delete.
3412         (iterative_hash_expr): Short-circuit handling of NULL pointer.
3413         Hash UIDs and versions of SSA names.  Don't special-case built-in
3414         function declarations.
3415
3416 2009-05-11  Ian Lance Taylor  <iant@google.com>
3417
3418         PR bootstrap/40103
3419         * graphite.c: Force -Wc++-compat to only be a warning before
3420         #including "cloog/cloog.h".
3421
3422 2009-05-11  Martin Jambor  <mjambor@suse.cz>
3423
3424         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
3425         
3426 2009-05-11  Jan Hubicka  <jh@suse.cz>
3427
3428         * tree-ssa-loop-ivcanon.c: Include target.h
3429         (struct loop_size): new structure.
3430         (constant_after_peeling): New predicate.
3431         (tree_estimate_loop_size): New function.
3432         (estimated_unrolled_size): Rewrite for new estimates.
3433         (try_unroll_loop_completely): Use new estimates.
3434         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
3435
3436 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3437
3438         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
3439         libcpp interface change.
3440         (spu_macro_to_expand): Likewise.
3441
3442 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
3443
3444         PR tree-optimization/40026
3445         * gimplify.c (gimplify_init_constructor): Change initial conditional
3446         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
3447         optimize_compound_literals_in_ctor.
3448
3449 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
3450
3451         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
3452         New devices.
3453         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
3454
3455 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
3456
3457         * tree-vect-data-refs.c (vect_analyze_group_access): Use
3458         HOST_WIDE_INT for gap.
3459
3460 2009-05-11  Ira Rosen  <irar@il.ibm.com>
3461
3462         PR tree-optimization/40074
3463         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
3464         account in group size and step comparison.
3465
3466 2009-05-11  Richard Guenther  <rguenther@suse.de>
3467
3468         * passes.c (init_optimization_passes): Strip now incorrect comment.
3469         (execute_function_todo): Do not set PROP_alias.
3470         * tree-pass.h (PROP_alias): Remove.
3471         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
3472         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
3473         * tree-nrv.c (pass_return_slot): Likewise.
3474         * tree-object-size.c (pass_object_sizes): Likewise.
3475         * tree-ssa-dom.c (pass_dominator): Likewise.
3476         (pass_phi_only_cprop): Likewise.
3477         * tree-ssa-dse.c (pass_dse): Likewise.
3478         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3479         (pass_cselim): Likewise.
3480         * tree-ssa-pre.c (pass_pre): Likewise.
3481         (pass_fre): Likewise.
3482         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
3483         * tree-ssa-sink.c (pass_sink_code): Likewise.
3484         * tree-stdarg.c (pass_stdarg): Likewise.
3485         * tree-tailcall.c (pass_tail_calls): Likewise.
3486         * tree-vrp.c (pass_vrp): Likewise.
3487
3488 2009-05-10  Ian Lance Taylor  <iant@google.com>
3489
3490         * basic-block.h (enum profile_status): Break out of struct
3491         control_flow_graph.
3492         * cgraph.h (struct inline_summary): Break out of struct
3493         cgraph_local_info.
3494         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
3495         of struct cgraph_order_sort.
3496         * combine.c (enum undo_kind): New enum, broken out of struct undo.
3497         * cse.c (struct branch_path): Break out of struct
3498         cse_basic_block_data.
3499         * except.h (enum eh_region_type): Break out of struct eh_region.
3500         * gcc.c (enum add_del): Break out of struct modify_target.
3501         * genrecog.c (enum decision_type): Break out of struct decision_test.
3502         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
3503         ggc_pch_data.
3504         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
3505         * regmove.c (enum match_use): New enum, broken out of struct match.
3506         * sched-int.h (enum post_call_group): New enum, broken out of
3507         struct deps.
3508         (struct deps_reg): Break out of struct deps.
3509         * target.h (struct asm_int_op): Break out of struct gcc_target.
3510         * tree-eh.c (struct goto_queue_node): Break out of struct
3511         leh_tf_state.
3512         * tree-inline.h (enum copy_body_cge_which): Break out of
3513         copy_body_data.
3514         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
3515
3516         * c-decl.c (in_struct, struct_types): New static variables.
3517         (pushtag): Add loc parameter.  Change all callers.
3518         (lookup_tag): Add ploc parameter.  Change all callers.
3519         (check_compound_literal_type): New function.
3520         (parser_xref_tag): Add loc parameter.  Change all callers.  If
3521         -Wc++-compat, warn about struct/union/enum types defined within a
3522         struct or union.
3523         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
3524         and loc parameters.  Change all callers.  Change error calls to
3525         error_at, using loc.  For a redefinition, if the location of the
3526         original definition is known, report it.  Set in_struct and
3527         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
3528         (finish_struct): Add new parameters enclosing_in_struct and
3529         enclosing_struct_types.  Change all callers.  Set
3530         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
3531         in the struct.  If in a struct, add this struct to struct_types.
3532         (start_enum): Add loc parameter.  Change all callers.  Use
3533         error_at for errors, using loc.  For a redefinition, if the
3534         location of the original definition is known, report it.  If in a
3535         struct, add this enum type to struct_types.  If -Wc++-compat warn
3536         if in sizeof, typeof, or alignof.
3537         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
3538         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
3539         (c_parser_enum_specifier): Get enum location for start_enum.
3540         (c_parser_struct_or_union_specifier): Get struct location for
3541         start_struct.  Save in_struct and struct_types status between
3542         start_struct and finish_struct.
3543         (c_parser_cast_expression): Get location of cast.
3544         (c_parser_alignof_expression): Get location of type.
3545         (c_parser_postfix_expression): Likewise.
3546         (c_parser_postfix_expression_after_paren_type): Add type_loc
3547         parameter.  Change all callers.  Call check_compound_literal_type.
3548         Use type_loc for error about variable size type.
3549         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
3550         of an enum constant from an enum type defined in a struct or union.
3551         (c_cast_expr): Add loc parameter.  Change all callers.  If
3552         -Wc++-compat, warn about defining a type in a cast.
3553         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
3554         (start_enum, start_struct, finish_struct): Update declarations.
3555         (parser_xref_tag, c_cast_expr): Update declarations.
3556         (check_compound_literal_type): Declare.
3557
3558 2009-05-11  Ben Elliston  <bje@au.ibm.com>
3559
3560         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
3561         for recent libcpp interface change.
3562         (rs6000_macro_to_expand): Likewise.
3563
3564 2009-05-10  Michael Matz  <matz@suse.de>
3565
3566         PR target/40031
3567         * config/arm/arm.c (require_pic_register): Emit on entry edge,
3568         not at entry of function.
3569
3570 2009-05-10  Richard Guenther  <rguenther@suse.de>
3571
3572         PR tree-optimization/40081
3573         Revert
3574         * tree-sra.c (instantiate_element): Instantiate scalar replacements
3575         using the main variant of the element type.  Do not fiddle with
3576         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
3577
3578         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
3579         structs with volatile fields.
3580
3581 2009-05-10  Jan Hubicka  <jh@suse.cz>
3582
3583         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
3584         (estimate_move_cost): Assert that it does not get called for
3585         VOID_TYPE_P.
3586         (estimate_num_insns): Skip VOID types in argument handling.
3587         (optimize_inline_calls): Delete unreachable blocks and verify that
3588         callgraph is valid.
3589
3590 2009-05-10  Jan Hubicka  <jh@suse.cz>
3591
3592         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
3593         * cgraph.c (cgraph_mark_address_taken_node): New function.
3594         (dump_cgraph_node): Dump new flag.
3595         * cgraph.h (struct cgraph_node): Add address_taken.
3596         (cgraph_mark_address_taken_node): New function.
3597         * ipa.c (cgraph_postorder): Prioritize functions with address taken
3598         since new direct calls can be born.
3599
3600 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
3601
3602         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
3603         tok->val.node.node.
3604
3605 2009-05-10  Jan Hubicka  <jh@suse.cz>
3606
3607         PR middle-end/40084
3608         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
3609         argument; rewrite.
3610         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
3611         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
3612         * tree-inline.c (copy_bb): Set frequency correctly.
3613         (fold_marked_statements): Update call to
3614         cgraph_update_edges_for_call_stmt.
3615
3616 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
3617
3618         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
3619         identifiers in diagnostics.
3620         * config/arm/arm.c (arm_handle_fndecl_attribute,
3621         arm_handle_isr_attribute): Likewise.
3622         * config/avr/avr.c (avr_handle_progmem_attribute,
3623         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
3624         * config/bfin/bfin.c (handle_int_attribute,
3625         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
3626         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
3627         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
3628         Likewise.
3629         * config/darwin.c (darwin_handle_kext_attribute,
3630         darwin_handle_weak_import_attribute): Likewise.
3631         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
3632         h8300_handle_eightbit_data_attribute,
3633         h8300_handle_tiny_data_attribute): Likewise.
3634         * config/i386/i386.c (ix86_handle_cconv_attribute,
3635         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
3636         * config/i386/winnt.c (ix86_handle_shared_attribute,
3637         ix86_handle_selectany_attribute): Likewise.
3638         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
3639         * config/m32c/m32c.c (function_vector_handler): Likewise.
3640         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
3641         m68hc11_handle_fntype_attribute): Likewise.
3642         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
3643         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
3644         * config/mips/mips.c (mips_insert_attributes,
3645         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
3646         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
3647         rs6000_handle_struct_attribute): Likewise.
3648         * config/sh/sh.c (sh_insert_attributes,
3649         sh_handle_resbank_handler_attribute,
3650         sh_handle_interrupt_handler_attribute,
3651         sh2a_handle_function_vector_handler_attribute,
3652         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3653         Likewise.
3654         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
3655         * config/spu/spu.c (spu_handle_fndecl_attribute,
3656         spu_handle_vector_attribute): Likewise.
3657         * config/stormy16/stormy16.c
3658         (xstormy16_handle_interrupt_attribute): Likewise.
3659         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
3660         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
3661
3662 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
3663
3664         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
3665         (pp_translate_identifiers): New.
3666         (pp_identifier): Only conditionally translate identifier to locale
3667         character set.
3668         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
3669         (pp_base_tree_identifier): Only conditionally translate identifier
3670         to locale character set.
3671         * c-pretty-print.c (M_): Define.
3672         (pp_c_type_specifier, pp_c_primary_expression): Mark English
3673         fragments for conditional translation with M_.
3674         * tree-pretty-print.c (maybe_init_pretty_print): Disable
3675         identifier translation.
3676
3677 2009-05-10  Richard Guenther  <rguenther@suse.de>
3678
3679         PR tree-optimization/40081
3680         * tree-sra.c (instantiate_element): Instantiate scalar replacements
3681         using the main variant of the element type.  Do not fiddle with
3682         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
3683
3684 2009-05-09  Jan Hubicka  <jh@suse.cz>
3685
3686         PR middle-end/40080
3687         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
3688         indirect calls; verify cgraph afterwards.
3689
3690 2009-05-09  Jan Hubicka  <jh@suse.cz>
3691
3692         PR bootstrap/40082
3693         * ipa.c (update_inlined_to_pointer): New function.
3694         (cgraph_remove_unreachable_nodes): Use it.
3695
3696 2009-05-09  Jan Hubicka  <jh@suse.cz>
3697
3698         * tree-eh.c (struct leh_state): Remove prev_try.
3699         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
3700         not track prev_try.
3701         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
3702         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
3703         remove_eh_handler_and_replace, foreach_reachable_handler,
3704         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
3705         * except.h (struct eh_region): Remove eh_region_u_cleanup.
3706         (gen_eh_region_cleanup): Update prototype.
3707
3708 2009-05-09  Jan Hubicka  <jh@suse.cz>
3709
3710         PR middle-end/40043
3711         * except.c (copy_eh_region): Always set prev_try.
3712         (redirect_eh_edge_to_label): Find outer try.
3713         (foreach_reachable_handler): When looking for prev try
3714         handle case where previous try is not going to be taken.
3715
3716 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3717
3718         PR tree-optimization/40049
3719         * tree-vect-stmts.c (vectorizable_operation): If the machine has
3720         only vector/vector shifts, convert the type of the constant to the
3721         appropriate type to avoid building incorrect trees, which
3722         eventually have problems with garbage collection.
3723
3724 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
3725
3726         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
3727         -1 for complex floating-point types if honoring signed zeros.
3728
3729 2009-05-08  Jan Hubicka  <jh@suse.cz>
3730
3731         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
3732         argument; handle correctly when profile is absent.
3733         (build_cgraph_edges): Update.
3734         (rebuild_cgraph_edges): Update.
3735         * cgraph.c: Do not include varray.h.
3736         (cgraph_set_call_stmt_including_clones): New function.
3737         (cgraph_create_edge_including_clones): Likewise
3738         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
3739         (cgraph_update_edges_for_call_stmt): Handle clones.
3740         (cgraph_remove_node): Handle clone tree.
3741         (cgraph_remove_node_and_inline_clones): New function.
3742         (dump_cgraph_node): Dump clone tree.
3743         (cgraph_clone_node): Handle clone tree.
3744         (clone_function_name): Bring here from tree-inline.c.
3745         (cgraph_create_virtual_clone): New function.
3746         * cgraph.h (ipa_replace_map): Move here from ipa.h.
3747         (cgraph_clone_info): New function.
3748         (strut cgraph_node): Add clone_info and new clone tree pointers.
3749         (cgraph_remove_node_and_inline_clones,
3750         cgraph_set_call_stmt_including_clones,
3751         cgraph_create_edge_including_clones,
3752         cgraph_create_virtual_clone): Declare.
3753         (cgraph_function_versioning): Use VEC argument.
3754         (compute_call_stmt_bb_frequency): Update prototype.
3755         (cgraph_materialize_all_clones): New function.
3756         * ipa-cp.c (ipcp_update_cloned_node): Remove.
3757         (ipcp_create_replace_map): Update to VECtors.
3758         (ipcp_update_callgraph): Use virtual clones.
3759         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
3760         (ipcp_update_profiling): Do not update local profiling.
3761         (ipcp_insert_stage): Use VECtors and virtual clones.
3762         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
3763         (clone_of_p): New function.
3764         (cgraph_preserve_function_body_p): Use clone tree.
3765         (cgraph_optimize): Materialize clones.
3766         (cgraph_function_versioning): Update for VECtors.
3767         (save_inline_function_body): Use clone tree.
3768         (cgraph_materialize_clone): New function.
3769         (cgraph_materialize_all_clones): Likewise.
3770         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
3771         * ipa.c: Include gimple.h.
3772         (cgraph_remove_unreachable_nodes): Use clone tree.
3773         * ipa-prop.c (ipa_note_param_call): Update call to
3774         compute_call_stmt_bb_frequencycall.
3775         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
3776         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
3777         (copy_bb): Handle updating of clone tree; add new edge when new call
3778         appears.
3779         (expand_call_inline): Be strict about every call having edge.
3780         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
3781         (delete_unreachable_blocks_update_callgraph): New function.
3782         (tree_function_versioning): Use VECtors; always remove unreachable
3783         blocks and fold conditionals.
3784         * tree-inline.h: Do not include varray.h.
3785         (tree_function_versioning): Remove.
3786         * Makefile.in (GTFILES): Remove tree-inline.c
3787         * passes.c (do_per_function): Do only functions having body.
3788         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
3789         tree.
3790
3791 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
3792             Andrew Morrow  <acm@google.com>
3793
3794         PR c/36892
3795         * c-common.c (c_common_attribute_table): Permit deprecated
3796         attribute to take an optional argument.
3797         (handle_deprecated_attribute): If the optional argument to
3798         __attribute__((deprecated)) is not a string ignore the attribute
3799         and emit a warning.
3800
3801         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
3802         * c-typeck.c (build_component_ref): Likewise.
3803         (build_external_ref): Likewise.
3804
3805         * toplev.c (warn_deprecated_use): Add an attribute argument.
3806         Emit the message associated with __attribute__((deprecated)).
3807
3808         * toplev.h (warn_deprecated_use): Updated.
3809
3810         * doc/extend.texi: Document new optional parameter to
3811         __attribute__((deprecated))
3812
3813 2009-05-08  Michael Eager <eager@eagercon.com>
3814
3815         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
3816         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
3817
3818 2009-05-08  Richard Guenther  <rguenther@suse.de>
3819
3820         PR tree-optimization/40062
3821         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
3822         Avoid exponential behavior.
3823
3824 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
3825
3826         PR rtl-optimization/33928
3827         PR 26854
3828         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
3829         process_uses, build_single_def_use_links): New.
3830         (update_df): Update use_def_ref.
3831         (forward_propagate_into): Use get_def_for_use instead of use-def
3832         chains.
3833         (fwprop_init): Call build_single_def_use_links and let it initialize
3834         dataflow.
3835         (fwprop_done): Free use_def_ref.
3836         (fwprop_addr): Eliminate duplicate call to df_set_flags.
3837         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
3838         df_rd_simulate_one_insn): New.
3839         (df_rd_bb_local_compute_process_def): Update head comment.
3840         (df_chain_create_bb): Use the new RD simulation functions.
3841         * df.h (df_rd_simulate_artificial_defs_at_top, 
3842         df_rd_simulate_one_insn): New.
3843         * opts.c (decode_options): Enable fwprop at -O1.
3844         * doc/invoke.texi (-fforward-propagate): Document this.
3845
3846 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
3847
3848         PR c/24581
3849         * c-typeck.c (build_binary_op): Handle arithmetic between one real
3850         and one complex operand specially.
3851         * tree-complex.c (some_nonzerop): Do not identify a real value as
3852         zero if flag_signed_zeros.
3853
3854 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
3855
3856         PR rtl-optimization/33928
3857         * loop-invariant.c (record_use): Fix && vs. || mishap.
3858
3859 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
3860
3861         PR rtl-optimization/33928
3862         * loop-invariant.c (struct use): Add addr_use_p.
3863         (struct def): Add n_addr_uses.
3864         (struct invariant): Add cheap_address.
3865         (create_new_invariant): Set cheap_address.
3866         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
3867         (record_uses): Pass df_ref to record_use.
3868         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
3869         used only as such.
3870
3871 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3872
3873         * config/sh/sh.c: Do not include c-pragma.h.
3874
3875 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3876
3877         * config/spu/spu.c: Remove include of c-common.h.
3878
3879 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
3880
3881         PR c/39037
3882         * c-common.h (mark_valid_location_for_stdc_pragma,
3883         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
3884         clear_float_const_decimal64, float_const_decimal64_p): New.
3885         * c.opt (Wunsuffixed-float-constants): New.
3886         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
3887         unsuffixed float constant, handle new warning.
3888         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
3889         * c-decl.c (c_scope): New flag float_const_decimal64.
3890         (set_float_const_decimal64, clear_float_const_decimal64,
3891         float_const_decimal64_p): New.
3892         (push_scope): Set new flag.
3893         * c-parser.c (c_parser_translation_unit): Mark when it's valid
3894         to use STDC pragmas.
3895         (c_parser_external_declaration): Ditto.
3896         (c_parser_compound_statement_nostart): Ditto.
3897         * c-pragma.c (valid_location_for_stdc_pragma,
3898         mark_valid_location_for_stdc_pragma,
3899         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
3900         handle_pragma_float_const_decimal64): New.
3901         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
3902         * cp/semantics.c (valid_location_for_stdc_pragma_p,
3903         set_float_const_decimal64, clear_float_const_decimal64,
3904         float_const_decimal64_p): New dummy functions.
3905         * doc/extend.texi (Decimal Float): Remove statement that the
3906         pragma, and suffix for double constants, are not supported.
3907         * doc/invoke.texi (Warning Options): List new option.
3908         (-Wunsuffixed-float-constants): New.
3909
3910 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
3911
3912         * config/i386/i386.c: Do not include c-common.h.
3913
3914 2009-05-07  Mark Heffernan  <meheff@google.com>
3915
3916         * doc/invoke.texi (Debugging Options): Document change of debugging
3917         dump location.
3918         * opts.c (decode_options): Make dump_base_name relative to
3919         aux_base_name directory.
3920
3921 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
3922
3923         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
3924         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
3925
3926 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
3927
3928         * Makefile.in (install-plugin): Simplify a bit.
3929
3930 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
3931
3932         * Makefile.in (OBJS-common): Add regcprop.o.
3933         (regcprop.o): New.
3934         * timevar.def (TV_CPROP_REGISTERS): New.
3935         * regrename.c (regrename_optimize): Return 0.
3936         (rest_of_handle_regrename): Delete.
3937         (pass_rename_registers): Point to regrename_optimize.
3938         (struct value_data_entry, struct value_data, 
3939         kill_value_one_regno, kill_value_regno, kill_value,
3940         set_value_regno, init_value_data, kill_clobbered_value,
3941         kill_set_value, kill_autoinc_value, copy_value,
3942         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
3943         replace_oldest_value_reg, replace_oldest_value_addr,
3944         replace_oldest_value_mem, copyprop_hardreg_forward_1,
3945         debug_value_data, validate_value_data): Move...
3946         * regcprop.c: ... here.
3947         (rest_of_handle_cprop): Delete.
3948         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
3949
3950 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
3951
3952         PR middle-end/40057
3953         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
3954         GEN_INT for 1 << bitnum.
3955         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
3956         build_int_cst_type.
3957
3958 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
3959
3960         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
3961         Remove wrong description of "nand" operation.
3962
3963 2009-05-06  Richard Guenther  <rguenther@suse.de>
3964             Adam Nemet  <anemet@caviumnetworks.com>
3965
3966         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
3967         comment.  Add that if LHS is not a gimple register, then RHS1 has
3968         to be a single object (GIMPLE_SINGLE_RHS).
3969
3970 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
3971
3972         * expr.c (get_def_for_expr): Move it up in the file.
3973         (store_field): When expanding a bit-field store, look at the
3974         defining gimple stmt for the masking conversion.
3975
3976 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
3977
3978         PR middle-end/39986
3979         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3980         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
3981         32-bit memcpy into long.
3982
3983 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
3984
3985         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
3986         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
3987         new_reg_loc_descr.
3988         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
3989         instead of appending DW_OP_deref*.
3990
3991 2009-05-06  Michael Matz  <matz@suse.de>
3992
3993         PR middle-end/40021
3994         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
3995         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
3996
3997 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
3998
3999         * Makefile.in (install-plugin): Fix srcdir handling.
4000
4001 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
4002
4003         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
4004         when processing for not_regs_needed bitmap.
4005         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
4006         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
4007         handling it for rhs. 
4008
4009 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4010
4011         * config/i386/i386.md (unnamed inc/dec peephole): Use
4012         optimize_insn_for_size_p instead of optimize_size.
4013         * config/i386/predicates.md (incdec_operand): Likewise.
4014         (aligned_operand): Likewise.
4015         * config/i386/sse.md (divv8sf3): Likewise.
4016         (sqrtv8sf2): Likewise.
4017
4018 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4019
4020         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
4021
4022         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
4023
4024 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4025
4026         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
4027         ssemodesuffixf2c with avxmodesuffixf2c.
4028
4029 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
4030
4031         PR c/40032
4032         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
4033
4034 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
4035
4036         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
4037         (struct tree_base): Adjust spacing for 8 bit boundaries.
4038         (struct tree_decl_common): Add decl_by_reference_flag bit.
4039         (DECL_BY_REFERENCE): Adjust.
4040         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
4041         print DECL_BY_REFERENCE bit.
4042         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
4043         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
4044         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
4045         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
4046         unconditionally.
4047
4048         PR middle-end/39666
4049         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
4050         range of the type, but default label is missing, add it with one
4051         of the existing labels instead of adding a new label for it.
4052
4053 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
4054
4055         * dwarf.h: Remove.
4056
4057 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
4058
4059         * Makefile.in (enable_plugin, plugin_includedir): New.
4060         (install): Depend on install-plugin.
4061         (PLUGIN_HEADERS): New.
4062         (install-plugin): New.
4063         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
4064
4065 2009-05-05  Richard Guenther  <rguenther@suse.de>
4066
4067         PR tree-optimization/40022
4068         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
4069         the only vuse.
4070         (phivn_valid_p): Fix tuplification error, simplify.
4071         (phiprop_insert_phi): Add dumps.
4072         (propagate_with_phi): Simplify.
4073
4074 2009-05-05  Richard Guenther  <rguenther@suse.de>
4075
4076         PR middle-end/40023
4077         * builtins.c (gimplify_va_arg_expr): Properly build the address.
4078
4079 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
4080
4081         * tree.h (strip_float_extensions): Remove duplicate declaration.
4082         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
4083         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
4084         block_ultimate_origin): Rearrange the declarations line to match the
4085         comment that indicates the .c file which the functions are defined.
4086         (dwarf2out_*, set_decl_rtl): Add comment.
4087         (get_base_address): Adjust comment.
4088         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
4089         declarations line and add comment.
4090         (is_builtin_name): Add blank after function name, for clarity.
4091
4092 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4093
4094         * attribs.c (decl_attributes): Use %qE for identifiers in
4095         diagnostics.
4096         * cgraphunit.c (verify_cgraph_node): Translate function names to
4097         locale character set in diagnostics.
4098         * coverage.c (get_coverage_counts): Use %qE for identifiers in
4099         diagnostics.
4100         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
4101         Document that functions are named in UTF-8.
4102         * expr.c (expand_expr_real_1): Translate function names to locale
4103         character set in diagnostics.
4104         * gimplify.c (omp_notice_variable, omp_is_private,
4105         gimplify_scan_omp_clauses): Use %qE for identifiers in
4106         diagnostics.
4107         * langhooks.c (lhd_print_error_function): Translate function names
4108         to locale character set.
4109         * langhooks.h (decl_printable_name): Document that return value is
4110         in internal character set.
4111         * stmt.c: Include pretty-print.h
4112         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
4113         diagnostics.
4114         (resolve_operand_name_1): Translate named operand name to locale
4115         character set.
4116         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
4117         diagnostics.
4118         * toplev.c (announce_function): Translate function names to locale
4119         character set.
4120         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
4121         (default_tree_printer): Use pp_identifier or translate identifiers
4122         to locale character set.  Mark "<anonymous>" for translation.
4123         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
4124         for identifiers in diagnostics.
4125         * tree.c (handle_dll_attribute): Use %qE for identifiers in
4126         diagnostics.
4127         * varasm.c (output_constructor): Use %qE for identifiers in
4128         diagnostics.
4129
4130 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
4131
4132         * configure.ac: use ` ` instead of $()
4133         * configure: Regenerate.
4134
4135 2009-05-05  Ben Elliston  <bje@au.ibm.com>
4136
4137         * config/pa/linux-atomic.c: Eliminate conditional include of
4138         errno.h on non-LP64 systems to simplify build requirements.
4139
4140 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4141
4142         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
4143         diagnostics.
4144         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
4145         and pass value to identifier_to_locale.
4146         (warn_variable_length_array): Make name a tree.
4147         (grokdeclarator): Separate diagnostic texts for named and unnamed
4148         declarators.  Use %qE for named declarators.
4149         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
4150         diagnostics.
4151         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
4152         identifiers in diagnostics.
4153         * c-typeck.c (push_member_name, start_init): Pass identifiers to
4154         identifier_to_locale.  Mark "anonymous" strings for translation.
4155
4156 2009-05-04  Michael Eager <eager@eagercon.com>
4157
4158         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
4159         address for DImode/DFmode only if double-precision FP regs.
4160
4161 2009-05-04  Michael Eager <eager@eagercon.com>
4162
4163         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
4164         TARGET_SINGLE_FLOAT check.
4165
4166 2009-05-04  Michael Eager <eager@eagercon.com>
4167
4168         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
4169
4170 2009-05-04  Michael Eager <eager@eagercon.com>
4171
4172         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
4173         * config/rs6000/t-xilinx: New
4174
4175 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
4176
4177         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
4178         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
4179         * gcc/explow.c (memory_address): Use target hook.
4180         * gcc/targhooks.c (default_legitimize_address): New.
4181         * gcc/targhooks.h (default_legitimize_address): New.
4182         * gcc/target.h (legitimize_address): New.
4183         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
4184         (TARGET_INITIALIZER): Include it.
4185         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
4186
4187         * config/bfin/bfin-protos.h (legitimize_address): Remove.
4188         * config/bfin/bfin.c (legitimize_address): Remove.
4189         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
4190         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
4191         Remove.
4192         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
4193         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
4194
4195         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
4196         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
4197         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
4198         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
4199         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
4200         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
4201         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
4202         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
4203         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
4204         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
4205         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
4206         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
4207         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
4208         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
4209         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
4210         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
4211         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
4212         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
4213         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
4214         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
4215         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
4216         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
4217         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
4218
4219         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
4220         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
4221         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
4222         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
4223         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
4224         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
4225         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
4226         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
4227         (thumb_legitimize_address): Delete.
4228         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
4229         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
4230         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
4231         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
4232         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
4233         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
4234         Delete.
4235         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
4236         Delete.
4237
4238         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
4239         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
4240         * config/m32r/m32r.c (m32r_legitimize_address): New.
4241         * config/m68k/m68k.c (m68k_legitimize_address): New.
4242         * config/score/score.c (score_legitimize_address): Standardize.
4243         * config/score/score3.c (score3_legitimize_address): Standardize.
4244         * config/score/score3.h (score3_legitimize_address): Adjust.
4245         * config/score/score7.c (score7_legitimize_address): Standardize.
4246         * config/score/score7.h (score7_legitimize_address): Adjust.
4247         * config/sh/sh.c (sh_legitimize_address): New.
4248         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
4249
4250         * gcc/config/s390/s390.c (legitimize_address): Rename to...
4251         (s390_legitimize_address): ... this.
4252         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
4253         (sparc_legitimize_address): ... this.
4254         * gcc/config/i386/i386.c (legitimize_address): Rename to...
4255         (ix86_legitimize_address): ... this.
4256         * gcc/config/avr/avr.c (legitimize_address): Rename to...
4257         (avr_legitimize_address): ... this.
4258         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
4259         (mn10300_legitimize_address): ... this.
4260         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
4261         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
4262         (alpha_expand_mov): Adjust call.
4263
4264         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
4265         * config/spu/spu.c (spu_legitimize_address): Likewise.
4266         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
4267         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
4268
4269 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4270
4271         * intl.c (locale_encoding, locale_utf8): New.
4272         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
4273         * intl.h (locale_encoding, locale_utf8): Declare.
4274         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
4275         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
4276         New.
4277         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
4278         argument.
4279         (pp_tree_identifier): Define to call pp_base_tree_identifier.
4280         (pp_base_tree_identifier): Declare as function.
4281         (identifier_to_locale): Declare.
4282         * Makefile.in (pretty-print.o): Update dependencies.
4283         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
4284
4285 2009-05-04  Richard Guenther  <rguenther@suse.de>
4286
4287         PR middle-end/40015
4288         * builtins.c (fold_builtin_memory_op): Do not decay to element
4289         type if the size matches the whole array.
4290
4291 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
4292
4293         * expmed.c (synth_mult): When trying out a shift, pass the result
4294         of a signed shift.
4295
4296 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
4297
4298         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
4299         (shiftsub1_cost): New.
4300         (init_expmed): Compute shiftsub1_cost.
4301         (synth_mult): Optimize multiplications by constants of the form
4302         -(2^^m-1) for some constant positive integer m.
4303
4304 2009-05-03  Richard Guenther  <rguenther@suse.de>
4305
4306         PR c/39983
4307         * c-typeck.c (array_to_pointer_conversion): Do not built
4308         ADDR_EXPRs of arrays of pointer-to-element type.
4309         * c-gimplify.c (c_gimplify_expr): Revert change fixing
4310         up wrong ADDR_EXPRs after-the-fact.
4311         * c-common.c (strict_aliasing_warning): Strip pointer
4312         conversions for obtaining the original type.
4313         * builtins.c (fold_builtin_memset): Handle array types.
4314         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
4315         and array types
4316
4317 2009-05-03  Richard Guenther  <rguenther@suse.de>
4318
4319         PR middle-end/23329
4320         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
4321         Do not lose casts from array types with unknown extent to array
4322         types with known extent.
4323         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
4324         alias set compatibility.
4325
4326 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4327
4328         * flags.h (extra_warnings): Delete.
4329         * toplev.c (process_options): Handle Wuninitialized here.
4330         * opts.c (extra_warnings): Delete.
4331         (set_Wextra): Delete.
4332         (common_handle_option): -Wextra can be handled automatically.
4333         * c-opts.c (c_common_handle_option): Delete obsolete code.
4334         (c_common_post_options): Simplify comment.
4335         * common.opt (W): Add Var.
4336         (Wextra): Add Var.
4337         (Wuninitialized): Initialize to -1.
4338
4339 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
4340             Richard Guenther  <rguenther@suse.de>
4341
4342         * expr.c (get_def_for_expr): New function.
4343         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
4344         SSA rather than trees.
4345         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
4346         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
4347         
4348 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
4349
4350         * c-common.c (reswords): Add _Imaginary.
4351         * c-common.c (enum rid): Add RID_IMAGINARY.
4352
4353 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
4354
4355         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
4356         Patch by Richard Guenther.
4357
4358 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
4359
4360         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
4361         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
4362         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
4363         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
4364         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
4365         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
4366         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
4367         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
4368         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
4369         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
4370         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
4371         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
4372         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
4373         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
4374         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
4375         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
4376         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
4377         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
4378
4379 2009-05-02  Richard Guenther  <rguenther@suse.de>
4380
4381         PR tree-optimization/39940
4382         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
4383         doing so.
4384
4385 2009-05-02  Richard Guenther  <rguenther@suse.de>
4386
4387         PR middle-end/40001
4388         * tree-ssa.c (execute_update_addresses_taken): Properly check
4389         if we can mark a variable DECL_GIMPLE_REG_P.
4390         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
4391         back to the end of the function.
4392         (is_gimple_reg_type): Remove complex type special casing.
4393         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
4394         if not optimizing.
4395
4396 2009-05-02  Ben Elliston  <bje@au.ibm.com>
4397
4398         * doc/collect2.texi (Collect2): Document search path behaviour
4399         when configured with --with-ld.
4400
4401 2009-05-02  Jan Hubicka  <jh@suse.cz>
4402
4403         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
4404         parameter; update callers.
4405         (coalesce_cost_edge): EH edges are costier because they needs
4406         splitting even if not critical and even more costier when there are
4407         multiple EH predecestors.
4408
4409 2009-05-02  Jan Hubicka  <jh@suse.cz>
4410
4411         * except.c (remove_eh_handler_and_replace): Handle updating after
4412         removing TRY blocks.
4413
4414 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4415
4416         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
4417
4418 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
4419
4420         * varasm.c: Do not include c-pragma.h.
4421         * attribs.c: Do not incude c-common.h.
4422
4423 2009-05-01  Michael Matz  <matz@suse.de>
4424
4425         * calls.c (initialize_argument_information): Handle SSA names like
4426         decls with a non MEM_P DECL_RTL.
4427
4428 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
4429
4430         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
4431         * ipa-utils.c: Likewise.
4432         * ipa-type-escape.c: Likewise.
4433         * cgraphunit.c Do not include c-common.h.
4434         * ipa-pure-const.c: Likewise.
4435         * tree-if-conv.c: Likewise.
4436         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
4437         * ipa-struct-reorg.c: Likewise.
4438         * tree-nomudflap.c: Likewise.
4439         * tree-ssa-structalias.c: Likewise.
4440
4441 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
4442
4443         * store-motion.c: Many cleanups to make this pass a first-class
4444         citizen instead of an appendix to gcse load motion.  Add TODO list
4445         to make this pass faster/cleaner/better.
4446
4447         (struct ls_expr): Post gcse.c-split cleanups.
4448         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
4449         "stores" field to "avail_stores".
4450         (pre_ldst_mems): Rename to store_motion_mems.
4451         (pre_ldst_table): Rename to store_motion_mems_table.
4452         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
4453         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
4454         (ldst_entry): Rename to st_expr_entry, update users.
4455         (free_ldst_entry): Rename to free_st_expr_entry, update users.
4456         (free_ldst_mems): Rename to free_store_motion_mems, update users.
4457         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
4458         update caller.
4459         (first_ls_expr): Rename to first_st_expr, update users.
4460         (next_ls_expr): Rename to next_st_expr, update users.
4461         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
4462         fields properly for store motion instead of names inherited from load
4463         motion in gcse.c.
4464         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
4465         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
4466         are done with it.
4467
4468         (ae_kill): Rename to st_kill, update users.
4469         (ae_gen): Rename to st_avloc, update users.
4470         (transp): Rename to st_transp, update users.
4471         (pre_insert_map): Rename to st_insert_map, update users.
4472         (pre_delete_map): Rename to st_delete_map, update users.
4473         (insert_store, build_store_vectors, free_store_memory,
4474         one_store_motion_pass): Update for abovementioned changes.
4475
4476         (gcse_subst_count, gcse_create_count): Remove.
4477         (one_store_motion_pass): New statistics counters "n_stores_deleted"
4478         and "n_stores_created", local variables.
4479
4480         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
4481         use for_each_rtx.
4482
4483         (regvec, compute_store_table_current_insn): Remove.
4484         (reg_set_info, reg_clear_last_set): Remove.
4485         (compute_store_table): Use DF caches instead of local dataflow
4486         solvers.
4487
4488 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
4489
4490         * c-objc-common.c (c_tree_printer): Print identifiers with
4491         pp_identifier, not pp_string.  Mark "({anonymous})" for
4492         translation.
4493         * c-pretty-print.c (pp_c_ws_string): New.
4494         (pp_c_cv_qualifier, pp_c_type_specifier,
4495         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
4496         pp_c_storage_class_specifier, pp_c_function_specifier,
4497         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
4498         pp_c_primary_expression, pp_c_postfix_expression,
4499         pp_c_unary_expression, pp_c_shift_expression,
4500         pp_c_relational_expression, pp_c_equality_expression,
4501         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
4502         use pp_string and pp_c_ws_string in place of pp_identifier and
4503         pp_c_identifier for non-identifiers.  Mark English strings for
4504         translation.
4505         * c-pretty-print.h (pp_c_ws_string): Declare.
4506
4507 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
4508             Roland McGrath <roland@redhat.com>
4509
4510         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
4511         (ENABLE_LD_BUILDID): New configuration option.
4512         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
4513         (LINK_BUILDID_SPEC): New macro.
4514         (init_spec): If defined, prepend it between LINK_EH_SPEC and
4515         link_spec.
4516         * doc/install.texi: Document --enable-linker-build-id option.
4517         * configure: Rebuild.
4518         * config.in: Rebuild.
4519
4520 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
4521
4522         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
4523         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
4524         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
4525         MIPS_GP_SAVE_AREA_SIZE.
4526         * config/mips/mips.c (struct mips_frame_info): Update comment
4527         before arg_pointer_offset and hard_frame_pointer_offset.
4528         (mips_compute_frame_info): Update diagram before function: to
4529         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
4530         indicate the position of frame_pointer_rtx with -fstack-protector and
4531         to show args_size.  Don't allocate cprestore area for leaf functions
4532         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
4533         cprestore_size.
4534         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
4535
4536 2009-04-30  Michael Matz  <matz@suse.de>
4537
4538         PR tree-optimization/39955
4539         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
4540
4541 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
4542
4543         * ira.c (setup_cover_and_important_classes):  Use safe macro
4544         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
4545         directly.
4546         * genpreds.c (write_tm_preds_h):  Output suitable definition of
4547         REG_CLASS_FOR_CONSTRAINT.
4548
4549 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
4550
4551         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
4552         instead of an int.
4553         * bitmap.c (bitmap_descriptor): Likewise.
4554         * ggc-common.c (loc_descriptor): Likewise.
4555         * varray.c (varray_descriptor): Likewise.
4556         * vec.c (vec_descriptor): Likewise.
4557
4558 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
4559
4560         * Makefile.in (dce.o): Add $(EXCEPT_H).
4561         * dce.c: Include except.h and delete redundant vector definitions.
4562         (deletable_insn_p): Return false for non-call insns that can throw
4563         if DF is running.
4564
4565 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
4566
4567         * gcse.c (ae_gen): Remove.
4568         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
4569         and make non-static function to make it available in store-motion.c.
4570         Update call sites with search-and-replace.
4571         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
4572         extract_mentioned_regs, extract_mentioned_regs_helper,
4573         find_moveable_store, compute_store_table, load_kills_store, find_loads,
4574         store_killed_in_insn, store_killed_after, store_killed_before,
4575         build_store_vectors, insert_insn_start_basic_block, insert-store,
4576         remove_reachable_equiv_notes, replace_store_insn, delete_store,
4577         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
4578         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
4579         * store-motion.c: ...new file.  Also copy data structures from gcse.c
4580         and clean up to remove parts not used by store motion.
4581         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
4582         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
4583
4584 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4585
4586         PR target/38571
4587         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
4588         when optimizing for size.
4589
4590 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
4591
4592         * gcse.c (gcse_constant_p): Fix typo in last change.
4593
4594 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
4595
4596         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
4597
4598 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4599
4600         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
4601
4602 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
4603
4604         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
4605         CONST_HIGH_PART result.
4606
4607 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
4608
4609         * config/avr/avr.c (initial_elimination_offset): Rename to
4610         avr_initial_elimination_offset.
4611         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
4612         change return type to bool.
4613         (avr_can_eliminate): New function.
4614         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
4615         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
4616         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
4617         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
4618         avr_initial_elimination_offset.
4619         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
4620         (avr_initial_elimination_offset): Define.
4621
4622 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
4623             Steven Bosscher  <steven@gcc.gnu.org>
4624
4625         PR rtl-optimization/39938
4626         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
4627         * cfgrtl.c: Include insn-attr.h.
4628         (rest_of_pass_free_cfg): New function.
4629         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
4630         * resource.c (init_resource_info): Remove call to df_analyze.
4631
4632 2009-04-29  Richard Guenther  <rguenther@suse.de>
4633
4634         PR target/39943
4635         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
4636         allow conversion to signed integers.
4637
4638 2009-04-29  Richard Guenther  <rguenther@suse.de>
4639
4640         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
4641         shifts of floating point vectors if the shift amount is
4642         a constant multiple of the element size.
4643
4644 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
4645             Michael Matz  <matz@suse.de>
4646
4647         PR middle-end/39927
4648         PR bootstrap/39929
4649         * tree-outof-ssa.c (emit_partition_copy): New function.
4650         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4651         insert_part_to_rtx_on_edge): Perform the partition base var
4652         copy using emit_partition_copy.
4653         (insert_value_copy_on_edge): Convert constants to the right mode.
4654         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
4655         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
4656
4657 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
4658
4659         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
4660         scan backwards to try to find a constant to initialize it.
4661
4662         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
4663         insn before the loop_end instruction, don't look past labels.
4664
4665 2009-04-29  Richard Guenther  <rguenther@suse.de>
4666
4667         PR middle-end/39937
4668         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4669         loose type conversions.
4670         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
4671         stmts only if there are no uses of its definition.
4672
4673 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
4674
4675         * config/bfin/bfin.h (splitting_loops): Declare.
4676         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
4677         Reorder bit definitions to be ascending.
4678         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
4679         * config/bfin/bfin.c (splitting_loops): New variable.
4680         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
4681         (struct loop_info): Remove members INIT and LOOP_INIT.
4682         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
4683         the LSETUP sequence.  Allow LC to be loaded from any register, but
4684         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
4685         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
4686         set to 1.
4687         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
4688         of reload_completed.
4689
4690         From Jie Zhang:
4691         * config/bfin/bfin.md (movsi_insn): Refine constraints.
4692
4693 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
4694
4695         * Makefile.in (PLUGIN_VERSION_H): New.
4696         (OBJS-common): Remove plugin-version.o.
4697         (plugin.o): Depend on (PLUGIN_VERSION_H).
4698         (plugin-version.o): Remove.
4699         * configure: Regenerate
4700         * configure.ac: Create plugin-version.h.
4701         * gcc-plugin.h (plugin_gcc_version): Remove.
4702         (plugin_default_version_check): Change signature.
4703         * plugin-version.c: Remove.
4704         * plugin.c: Include plugin-version.h.
4705         (str_plugin_gcc_version_name): Remove.
4706         (try_init_one_plugin): Pass gcc version to plugin_init.
4707         (plugin_default_version_check): Both gcc and plugin versions are now
4708         arguments.
4709
4710 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
4711         
4712         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
4713         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
4714         Remove special case testing for last insn of inner loops. Don't fail
4715         if the loop ends with a jump, emit an extra nop instead.
4716
4717         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
4718         DREGS rather than comparing directly.  Remove code that tries to
4719         account for latencies.
4720
4721 2009-04-29  Richard Guenther  <rguenther@suse.de>
4722
4723         PR tree-optimization/39941
4724         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
4725         eliminating an indirect call.
4726
4727 2009-04-29  Richard Guenther  <rguenther@suse.de>
4728
4729         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
4730         parameter.  Allow invariants as base if !require_lvalue.
4731         (verify_gimple_assign_single): Adjust.
4732
4733 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
4734
4735         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
4736         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
4737         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
4738         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
4739         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
4740         a VEC_SELECT.
4741         * config/bfin/bfin.c (bfin_expand_builtin,
4742         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
4743
4744 2009-04-28  Richard Guenther  <rguenther@suse.de>
4745
4746         * tree-vect-loop.c (get_initial_def_for_induction): Use
4747         correct types for pointer increment.
4748
4749 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4750
4751         * toplev.c (print_version): Update GMP version string calculation.
4752
4753 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
4754
4755         PR rtl-optimization/39938
4756         * resource.c (init_resource_info): Add call to df_analyze.
4757
4758 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4759
4760         * config/alpha/alpha.md (usegp): Cast the result of
4761         alpha_find_lo_sum_using_gp to enum attr_usegp.
4762         * config/alpha/alpha.c (override_options): Remove end-of-structure
4763         marker element from cpu_table.  Use array size of cpu_table to handle
4764         -mcpu and -mtune options.
4765         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
4766
4767 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
4768
4769         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
4770         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
4771         tune_32 and tune_64.
4772         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
4773         support on PowerPC.
4774         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
4775         * config/rs6000/option-defaults.h: ... here.  New file.
4776         (OPT_64, OPT_32): Define.
4777         (MASK_64BIT): Define to 0 if not already defined.
4778         (OPT_ARCH64, OPT_ARCH32): Define.
4779         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
4780         and tune_64.
4781
4782 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4783
4784         * config/arm/arm.c (arm_override_options): Emit error on using
4785         fpa with AAPCS.
4786
4787 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4788
4789         PR rtl-optimization/39914
4790         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4791         registers for allocnos created from user-defined variables only
4792         when not optimizing.
4793
4794 2009-04-28  Richard Guenther  <rguenther@suse.de>
4795
4796         PR middle-end/39937
4797         * fold-const.c (fold_binary): Use distribute_real_division only
4798         on float types.
4799
4800 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
4801
4802         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
4803         add hpux-stdint.h to tm_file.
4804         (hppa[12]*-*-hpux11*): Ditto.
4805         (ia64*-*-hpux*): Ditto.
4806         * config/hpux-stdint.h: New.
4807         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
4808         __STDC_EXT__ for all compiles.
4809         * config/pa/pa-hpux.h: Ditto.
4810         * config/pa/pa-hpux10.h: Ditto.
4811         * config/pa/pa-hpux11.h: Ditto.
4812
4813 2009-04-28  Catherine Moore  <clm@codesourcery.com>
4814
4815         * debug.h (set_name): Add comment.
4816
4817 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
4818
4819         PR target/39929
4820         * config/darwin.c (machopic_gen_offset): Check
4821         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
4822         * config/arm/arm.c (require_pic_register): Likewise.
4823
4824 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
4825
4826         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
4827         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
4828         m32c_promote_prototypes): Delete.
4829
4830 2009-04-28  Michael Matz  <matz@suse.de>
4831
4832         PR middle-end/39922
4833         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
4834         constants.
4835
4836 2009-04-28  Richard Guenther  <rguenther@suse.de>
4837
4838         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
4839
4840 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4841
4842         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
4843         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
4844         * config/arm/arm-tune.md: Regenerate.
4845
4846 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
4847
4848         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
4849         block if there are complex incoming edges.
4850         (sel_merge_blocks): Remove useless assert.
4851         (sel_redirect_edge_and_branch): Check that edge was redirected.
4852         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
4853         (sel_find_rgns): Delete declaration.
4854         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
4855         the region when it is not a preheader.
4856
4857 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4858
4859         PR c/39323
4860         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
4861
4862 2009-04-28  Richard Guenther  <rguenther@suse.de>
4863
4864         * tree.h (SSA_NAME_VALUE): Remove.
4865         (struct tree_ssa_name): Remove value_handle member.
4866         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
4867         array for jump threading.
4868         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
4869         SSA_NAME_VALUEs.
4870         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
4871         * tree-flow.h (threadedge_initialize_values): Declare.
4872         (threadedge_finalize_values): Likewise.
4873         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
4874         (SSA_NAME_VALUE): Define.
4875         (threadedge_initialize_values): New function.
4876         (threadedge_finalize_values): Likewise.
4877         * tree-ssa-dom.c (ssa_name_values): New global variable.
4878         (SSA_NAME_VALUE): Define.
4879         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
4880
4881 2009-04-28  Ira Rosen  <irar@il.ibm.com>
4882
4883         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
4884         Use REPORT_VECTORIZED_LOCATIONS instead 
4885         REPORT_VECTORIZED_LOOPS.
4886         * tree-vectorizer.c (vect_verbosity_level): Make static.
4887         (vect_loop_location): Rename to vect_location.
4888         (vect_set_verbosity_level): Update comment.
4889         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
4890         and vect_location.
4891         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
4892         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
4893         instead REPORT_UNVECTORIZED_LOOPS.
4894         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
4895         and vect_loop_def to vect_external_def and vect_internal_def.
4896         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
4897         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
4898         REPORT_UNVECTORIZED_LOCATIONS.
4899         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
4900         and vect_used_in_loop and to vect_unused_in_scope and 
4901         vect_used_in_scope.
4902         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
4903         (vect_verbosity_level): Remove declaration.
4904         (vect_analyze_operations): Likewise.
4905         (vect_analyze_stmt): Declare.
4906         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
4907         REPORT_UNVECTORIZED_LOCATIONS.
4908         (vect_get_loop_niters): Fix indentation.
4909         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
4910         (vect_analyze_loop_operations): New function.
4911         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
4912         vect_analyze_operations.
4913         (vect_is_simple_reduction): Use new names.
4914         (vectorizable_live_operation, vect_transform_loop): Likewise.
4915         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
4916         to specify whether the data references can be a part of interleaving
4917         chain.
4918         (vect_analyze_data_ref_dependence): Use new names.
4919         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
4920         (vect_create_addr_base_for_vector_ref): Remove redundant code.
4921         * tree-vect-patterns.c (widened_name_p): Use new names.
4922         (vect_recog_dot_prod_pattern): Likewise.
4923         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
4924         (process_use, vect_mark_stmts_to_be_vectorized, 
4925         vect_model_simple_cost, vect_model_store_cost,
4926         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
4927         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4928         vectorizable_operation, vectorizable_type_demotion,
4929         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
4930         vectorizable_condition): Likewise.
4931         (vect_analyze_operations): Split into vect_analyze_loop_operations
4932         and ...
4933         (vect_analyze_stmt): ... new function.
4934         (new_stmt_vec_info): Use new names.
4935         (vect_is_simple_use): Use new names and fix comment.
4936         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
4937         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
4938
4939 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
4940
4941         PR target/39911
4942         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
4943         and integer modes for x87 operands.  Do not ICE for unsupported size,
4944         generate error instead.  Generate error for unsupported operand types.
4945         ['z']: Do not handle HImode memory operands specially.  Warning
4946         for floating-point operands.  Fallthru to 'Z' for unsupported operand
4947         types.  Do not ICE for unsupported size, generate error instead.
4948         (output_387_binary_op): Use %Z to output operands.
4949         (output_fp_compare): Ditto.
4950         (output_387_reg_move): Ditto.
4951
4952 2009-04-28  Ben Elliston  <bje@au.ibm.com>
4953
4954         PR c++/35652
4955         Revert:
4956
4957         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4958
4959         * builtins.c (c_strlen): Do not warn here.
4960         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4961         * c-common.c (pointer_int_sum): Take an explicit location.
4962         Warn about offsets out of bounds.
4963         * c-common.h (pointer_int_sum): Adjust declaration.
4964
4965 2009-04-27  Ian Lance Taylor  <iant@google.com>
4966
4967         * collect2.c (is_ctor_dtor): Change type of ret field in struct
4968         names to symkind.
4969         * dce.c (run_fast_df_dce): Change type of old_flags to int.
4970         * df-core.c (df_set_flags): Change return type to int.  Change
4971         type of old_flags to int.
4972         (df_clear_flags): Likewise.
4973         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
4974         (df_get_conditional_uses): Likewise.
4975         * df.h (df_set_flags, df_clear_flags): Update declarations.
4976         * dwarf2out.c (struct indirect_string_node): Change type of form
4977         field to enum dwarf_form.
4978         (AT_string_form): Change return type to enum dwarf_form.
4979         * fixed-value.c (fixed_compare): Add cast to enum type.
4980         * fwprop.c (update_df): Change 0 to VOIDmode.
4981         * gensupport.c: Change 0 to UNKNOWN.
4982         * gimple.h (gimple_cond_code): Add cast to enum type.
4983         * haifa-sched.c (reemit_notes): Add cast to enum type.
4984         * hooks.c (hook_int_void_no_regs): Remove function.
4985         * hooks.h (hook_int_void_no_regs): Remove declaration.
4986         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
4987         * predict.c (combine_predictions_for_insn): Add casts to enum type.
4988         * real.c (real_arithmetic): Add cast to enum type.
4989         (real_compare): Likewise.
4990         * target.h (struct gcc_target): Change return type of
4991         branch_target_register_class to enum reg_class.
4992         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
4993         default_branch_target_register_class.
4994         * targhooks.c (default_branch_target_register_class): New function.
4995         * targhooks.h (default_branch_target_register_class): Declare.
4996         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
4997         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
4998         cast to int.
4999         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
5000         ERROR_MARK.
5001         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
5002         vect_uninitialized_def.  Change 0 to ERROR_MARK.
5003         * tree-vect-stmts.c (supportable_widening_operation): Don't
5004         initialize icode1 and icode2.
5005         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
5006         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
5007         and to STD_C89.
5008         (cmn_err_flag_specs): Change 0 to STD_C89.
5009         (cmn_err_char_table): Likewise.
5010         * config/arm/arm.c (get_arm_condition_code): Change type of code
5011         to enum arm_cond_code.
5012         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
5013         (IWMMXT_BUILTIN2): Likewise.
5014         (neon_builtin_type_bits): Don't define typedef.
5015         (neon_builtin_datum): Change type of bits field to int.
5016         (arm_expand_neon_args): Add cast to enum type.
5017         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
5018         TLS_MODEL_NONE.
5019         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
5020         casts to enum type.
5021         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
5022         MIPS_FP_COND_f.
5023         * config/mips/mips.md (jal_macro): Return enum constant.
5024         (single_insn): Likewise.
5025         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
5026         CODE_FOR_nothing.
5027         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5028         casts to enum type.
5029         * config/s390/s390.c (s390_tune_flags): Change type to int.
5030         (s390_arch_flags): Likewise.
5031         (s390_handle_arch_option): Change flags field of struct pta to int.
5032         * config/s390/s390.h (s390_tune_flags): Update declaration.
5033         (s390_arch_flags): Likewise.
5034         * config/sh/sh.c (prepare_move_operands): Compare
5035         tls_symbolic_operand result with enum constant.
5036         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
5037         (sh_expand_prologue): Add cast to enum type.
5038         (sh_expand_epilogue): Likewise.
5039         (tls_symbolic_operand): Change return type to enum tls_model.
5040         (fpscr_set_from_mem): Add cast to enum type.
5041         (legitimize_pic_address): Compare tls_symbolic_operand result with
5042         enum constant.
5043         (sh_target_reg_class): Change return type to enum reg_class.
5044         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
5045         PROCESSOR_xxx.
5046         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
5047         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
5048         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
5049         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
5050         (delayed_branch, tls_call_delay): Likewise.
5051         (eligible_for_sibcall_delay): Likewise.
5052         (eligible_for_return_delay): Likewise. 
5053         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
5054         (spu_expand_builtin_1): Likewise.
5055
5056         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
5057         for all types of conversions.
5058         (output_init_element): Issue -Wc++-compat warning if needed when
5059         initializing a bitfield with enum type.
5060         * c-parser.c (c_parser_expression): Set original_type to
5061         original_type of right hand operand of comman operator.
5062
5063 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5064
5065         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
5066         grammar nits.
5067         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
5068         * doc/cpp.texi (Standard Predefined Macros)
5069         (Implementation-defined behavior): Likewise.
5070         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
5071         * doc/gimple.texi (GIMPLE Exception Handling)
5072         (@code{GIMPLE_ASSIGN}): Likewise.
5073         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
5074         * doc/invoke.texi (Warning Options, Optimize Options)
5075         (AVR Options, Darwin Options): Likewise.
5076         (Optimize Options): Reformulate -fwhole-program description.
5077         * doc/loop.texi (Lambda): Likewise.
5078         * doc/md.texi (Output Template, Define Constraints)
5079         (Standard Names, Insn Splitting): Likewise.
5080         * doc/options.texi (Option properties): Likewise.
5081         * doc/passes.texi (Tree-SSA passes): Likewise.
5082         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
5083         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
5084         (File Names and DBX): Likewise.
5085         * doc/trouble.texi (Incompatibilities): Likewise.
5086
5087 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5088
5089         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
5090         instruction is correct.
5091
5092 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5093
5094         Allow non-constant arguments to conversion intrinsics.
5095         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
5096         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
5097         * spu.c (print_operand): Handle 'v' and 'w'.
5098         (exp2_immediate_p, spu_gen_exp2): Define.
5099         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
5100         spu_convtf_1): Update parameter descriptions.
5101         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
5102         * constraints.md ('v', 'w'): New.
5103         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
5104         Remove.
5105         (i2f, I2F): New define_mode_attr.
5106         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
5107         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
5108         fixuns_truncv4sfv4si2):  Update to use mode attribute.
5109         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
5110         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
5111         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
5112         patterns for combine.
5113
5114 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
5115
5116         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
5117         (cprop, hoist, pre, store_motion): New debug counters.
5118         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
5119         is not an RTL pass anymore.
5120         (pass_profiling): Remove extern decl for pass removed in 2005.
5121         (pass_gcse, pass_jump_bypass): Remove.
5122         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
5123         to 0 for clean state.
5124         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
5125         * cse.c (gate_handle_cse_after_global_opts,
5126         rest_of_handle_cse_after_global_opts): New functions.
5127         (pass_cse_after_global_opts): New pass, does local CSE.
5128         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
5129         (TV_CPROP): New timevar.
5130         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
5131         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
5132         (gcse_main, recompute_all_luids): Remove.
5133         (compute_hash_table_work): Call max_reg_num instead of reading
5134         max_gcse_regno.
5135         (cprop_jump): Don't set run_jump_opt_after_gcse.
5136         (constprop_register): Always allow to alter jumps.
5137         (cprop_insn): Likewise.
5138         (do_local_cprop): Likewise.
5139         (local_cprop_pass): Likewise.  Return non-zero if something changed.
5140         (cprop): Remove function, fold interesting bits into one_cprop_pass.
5141         (find_implicit_sets): Add note about missed optimization opportunity.
5142         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
5143         pass_rtl_cprop execute function.
5144         Don't bother tracking the pass number, each pass gets its own dumpfile
5145         now anyway.
5146         Always allow to alter jumpsand bypass jumps.
5147         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
5148         will just find no suitable set.
5149         (pre_edge_insert): Fix dumping, this function is for PRE only.
5150         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
5151         pass_rtl_pre execute function.
5152         (hoist_code): Return non-zero if something changed.  Keep track of
5153         substitutions and insertions for statistics gathering similar to PRE.
5154         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
5155         called from the pass_rtl_hoist execute function.  Show pass statistics.
5156         (compute_store_table): Use max_reg_num directly instead of using the
5157         formerly global max_gcse_regno.
5158         (build_store_vectors): Likewise.
5159         (replace_store_insn): Fix dumping.
5160         (store_motion): Rename to ...
5161         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
5162         pass, called from the pass_rtl_store_motion execute function.  Keep
5163         track of substitutions and insertions for statistics gathering similar
5164         to PRE.
5165         (bypass_jumps): Remove, fold interesting bits into ...
5166         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
5167         from the pass_rtl_cprop execute function.
5168         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5169         pass_jump_bypass): Remove.
5170         (gate_handle_gcse, rest_of_handle_gcse): Remove.
5171         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
5172         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
5173         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
5174         (gate_rtl_store_motion, execute_rtl_store_motion,
5175         pass_rtl_store_motion): New.
5176         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
5177         make it clear that -fcse-skip-blocks is a no-op for backward compat.
5178         * passes.c (init_optimization_passes): Remove pass_gcse and
5179         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
5180         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
5181         instead of pass_jump_bypass.
5182
5183 2009-04-27  Richard Guenther  <rguenther@suse.de>
5184
5185         PR middle-end/39928
5186         * gimplify.c (gimplify_expr): If we are required to create
5187         a temporary make sure it ends up as register.
5188
5189 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5190
5191         PR target/39903
5192         * config/i386/i386.c (construct_container): Don't call
5193         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
5194         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
5195
5196 2009-04-27  Michael Matz  <matz@suse.de>
5197
5198         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
5199         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
5200         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
5201         (dump_replaceable_exprs): Take a bitmap.
5202         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
5203         array.
5204         (expand_gimple_basic_block): Likewise.
5205         * tree-ssa-ter.c (struct temp_expr_table_d): Make
5206         replaceable_expressions member a bitmap.
5207         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
5208         (mark_replaceable): Likewise.
5209         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
5210         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
5211
5212 2009-04-27  Richard Guenther  <rguenther@suse.de>
5213
5214         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
5215         (verify_stmts): Dispatch to gimple/type verification code.
5216         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
5217         issue with call argument types.
5218
5219 2009-04-27  Michael Matz  <matz@suse.de>
5220
5221         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
5222         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
5223         to above.
5224
5225 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
5226             Eric Botcazou  <ebotcazou@adacore.com>
5227
5228         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
5229         a label's basic block.
5230         (mark_target_live_regs): Tidy and rework obsolete comments.
5231         Change back DF problem to LIVE.  If a label starts a basic block,
5232         assume that all registers that used to be live then still are.
5233         (init_resource_info): If a label starts a basic block, set its
5234         BLOCK_FOR_INSN accordingly.
5235         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
5236
5237 2009-04-27  Richard Guenther  <rguenther@suse.de>
5238
5239         * tree-flow-inline.h (function_ann): Remove.
5240         (get_function_ann): Likewise.
5241         * tree-dfa.c (create_function_ann): Remove.
5242         * tree-flow.h (struct static_var_ann_d): Remove.
5243         (struct function_ann_d): Likewise.
5244         (union tree_ann_d): Remove fdecl member.
5245         (function_ann_t): Remove.
5246         (function_ann, get_function_ann, create_function_ann): Remove
5247         declarations.
5248
5249 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
5250
5251         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
5252
5253 2009-04-27  Jan Hubicka  <jh@suse.cz>
5254
5255         * ipa-pure-const.c (struct funct_state_d): New fields
5256         state_previously_known, looping_previously_known; remove
5257         state_set_in_source.
5258         (analyze_function): Use new fields.
5259         (propagate): Avoid assumption that state_set_in_source imply
5260         nonlooping.
5261
5262         * tree-ssa-loop-niter.c (finite_loop_p): New function.
5263         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
5264         * cfgloop.h (finite_loop_p): Declare.
5265
5266 2009-04-26  Michael Matz  <matz@suse.de>
5267
5268         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
5269
5270 2009-04-26  Michael Matz  <matz@suse.de>
5271
5272         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
5273         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
5274         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
5275         pass_mark_used_blocks): Remove.
5276         * tree-optimize.c (pass_free_datastructures,
5277         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
5278         * passes.c (init_optimization_passes): Don't call
5279         pass_mark_used_blocks, remove dead code.
5280
5281 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
5282
5283         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
5284         * tree-ssa-live.h (register_ssa_partition): Likewise.
5285
5286 2009-04-26  Michael Matz  <matz@suse.de>
5287
5288         Expand from SSA.
5289         * builtins.c (fold_builtin_next_arg): Handle SSA names.
5290         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
5291         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
5292         SSA names. 
5293         (compare_pairs): Swap cost comparison.
5294         (coalesce_ssa_name): Don't use change_partition_var.
5295         * tree-nrv.c (struct nrv_data): Add modified member.
5296         (finalize_nrv_r): Set it.
5297         (tree_nrv): Use it to update statements.
5298         (pass_nrv): Require PROP_ssa.
5299         * tree-mudflap.c (mf_decl_cache_locals,
5300         mf_build_check_statement_for): Use make_rename_temp.
5301         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
5302         * alias.c (find_base_decl): Handle SSA names.
5303         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
5304         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
5305         * rtl.h (set_reg_attrs_for_parm): Declare.
5306         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
5307         to "optimized", remove unused locals at finish.
5308         (execute_free_datastructures): Make global, call
5309         delete_tree_cfg_annotations.
5310         (execute_free_cfg_annotations): Don't call
5311         delete_tree_cfg_annotations.
5312
5313         * ssaexpand.h: New file.
5314         * expr.c (toplevel): Include ssaexpand.h.
5315         (expand_assignment): Handle SSA names the same as register variables.
5316         (expand_expr_real_1): Expand SSA names.
5317         * cfgexpand.c (toplevel): Include ssaexpand.h.
5318         (SA): New global variable.
5319         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
5320         (SSAVAR): New macro.
5321         (set_rtl): New helper function.
5322         (add_stack_var): Deal with SSA names, use set_rtl.
5323         (expand_one_stack_var_at): Likewise.
5324         (expand_one_stack_var): Deal with SSA names.
5325         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
5326         before unique numbers.
5327         (expand_stack_vars): Use set_rtl.
5328         (expand_one_var): Accept SSA names, add asserts for them, feed them
5329         to above subroutines.
5330         (expand_used_vars): Expand all partitions (without default defs),
5331         then only the local decls (ignoring those expanded already).
5332         (expand_gimple_cond): Remove edges when jumpif() expands an
5333         unconditional jump.
5334         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
5335         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
5336         SSA name.
5337         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
5338         members of SA; deal with PARM_DECL partitions here; expand
5339         all PHI nodes, free tree datastructures and SA.  Commit instructions
5340         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
5341         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
5342         info and statements at start, collect garbage at finish.
5343         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
5344         (VAR_ANN_PARTITION) Remove.
5345         (change_partition_var): Don't declare.
5346         (partition_to_var): Always return SSA names.
5347         (var_to_partition): Only accept SSA names.
5348         (register_ssa_partition): Only check argument.
5349         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
5350         member.
5351         (delete_var_map): Don't free it.
5352         (var_union): Only accept SSA names, simplify.
5353         (partition_view_init): Mark only useful SSA names as used.
5354         (partition_view_fini): Only deal with SSA names.
5355         (change_partition_var): Remove.
5356         (dump_var_map): Use ssa_name instead of partition_to_var member.
5357         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
5358         basic blocks.
5359         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
5360         (struct _elim_graph): New member const_dests; nodes member vector of
5361         ints.
5362         (set_location_for_edge): New static helper.
5363         (create_temp): Remove.
5364         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
5365         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
5366         (new_elim_graph): Allocate const_dests member.
5367         (clean_elim_graph): Truncate const_dests member.
5368         (delete_elim_graph): Free const_dests member.
5369         (elim_graph_size): Adapt to new type of nodes member.
5370         (elim_graph_add_node): Likewise.
5371         (eliminate_name): Likewise.
5372         (eliminate_build): Don't take basic block argument, deal only with
5373         partition numbers, not variables.
5374         (get_temp_reg): New static helper.
5375         (elim_create): Use it, deal with RTL temporaries instead of trees.
5376         (eliminate_phi): Adjust all calls to new signature.
5377         (assign_vars, replace_use_variable, replace_def_variable): Remove.
5378         (rewrite_trees): Only do checking.
5379         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
5380         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
5381         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
5382         contains_tree_r, MAX_STMTS_IN_LATCH,
5383         process_single_block_loop_latch, analyze_edges_for_bb,
5384         perform_edge_inserts): Remove.
5385         (expand_phi_nodes): New global function.
5386         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
5387         functions, initialize new parameter, remember partitions having a
5388         default def.
5389         (finish_out_of_ssa): New global function.
5390         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
5391         don't reset in_ssa_p here, don't disable TER when mudflap.
5392         (pass_del_ssa): Remove.
5393         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
5394         partition members.
5395         (execute_free_datastructures): Declare.
5396         * Makefile.in (SSAEXPAND_H): New variable.
5397         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
5398         * basic-block.h (commit_one_edge_insertion): Declare.
5399         * passes.c (init_optimization_passes): Move pass_nrv and
5400         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
5401         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
5402         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
5403         (redirect_branch_edge): Deal with super block when expanding, split
5404         out jump patching itself into ...
5405         (patch_jump_insn): ... here, new static helper.
5406
5407 2009-04-26  Michael Matz  <matz@suse.de>
5408
5409         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
5410         beyond num_ssa_names.
5411         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
5412         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
5413
5414 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
5415
5416         PR inline-asm/39543
5417         * fwprop.c (forward_propagate_asm): New function.
5418         (forward_propagate_and_simplify): Propagate also into __asm, if it
5419         doesn't increase the number of referenced registers.
5420
5421         PR c/39889
5422         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
5423
5424 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
5425
5426         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
5427         note_nonlocal_vla_type for nonlocal VLAs.
5428         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
5429         contains_remapped_vars, remap_vla_decls): New functions.
5430         (convert_nonlocal_reference_stmt): If not optimizing, call
5431         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
5432         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
5433         if it wasn't found in var_map.
5434         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
5435         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
5436         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
5437         declare_vars.
5438         * gimplify.c (nonlocal_vlas): New variable.
5439         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
5440         referenced VLAs.
5441         (gimplify_body): Create and destroy nonlocal_vlas.
5442
5443         * dwarf2out.c (loc_descr_plus_const): New function.
5444         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
5445         mem_loc_descriptor, loc_descriptor_from_tree_1,
5446         descr_info_loc, gen_variable_die): Use it.
5447
5448         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
5449         !TREE_STATIC VAR_DECLs.
5450         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
5451         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
5452         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
5453         DECL_BY_REFERENCE is valid.
5454         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
5455         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
5456         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
5457         Copy DECL_BY_REFERENCE.
5458         (struct nesting_copy_body_data): New type.
5459         (nesting_copy_decl): New function.
5460         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
5461         if they have variable length.
5462
5463 2009-04-26  Michael Matz  <matz@suse.de>
5464
5465         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
5466         mark new temporaries for renaming.
5467
5468 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
5469
5470         PR c/39581
5471         * c-decl.c (global_bindings_p): Return negative value.
5472         (c_variable_size): New.  Based on variable_size from
5473         stor-layout.c.
5474         (grokdeclarator): Call c_variable_size not variable_size.
5475
5476 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
5477
5478         * config/i386/i386.c (print_operand) ['z']: Fix typo.
5479
5480 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
5481
5482         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
5483         Redefine it to just use mingw/include.
5484         (ASM_SPEC): Rules for -m32 and -m64.
5485         (LINK_SPEC): Use Likewise.
5486         (SPEC_32): New define.
5487         (SPEC_64): Likewise.
5488         (SUB_LINK_SPEC): Likewise.
5489         (MULTILIB_DEFAULTS): New define.
5490         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
5491         Add multilib options.
5492         (MULTILIB_DIRNAMES): Likewise.
5493         (MULTILIB_OSDIRNAMES): Likewise.
5494         (LIBGCC): Likewise.
5495         (INSTALL_LIBGCC): Likewise.
5496
5497 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
5498
5499         PR c/39556
5500         * c-tree.h (enum c_inline_static_type): New.
5501         (record_inline_static): Declare.
5502         * c-decl.c (struct c_inline_static, c_inline_statics,
5503         record_inline_static, check_inline_statics): New.
5504         (pop_file_scope): Call check_inline_statics.
5505         (start_decl): Call record_inline_static instead of pedwarning
5506         directly for static in inline function.
5507         * c-typeck.c (build_external_ref): Call record_inline_static
5508         instead of pedwarning directly for static referenced in inline
5509         function.
5510
5511 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
5512
5513         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
5514         not new but only being rescanned.
5515         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
5516         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
5517         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
5518         record_set_info, compute_set, grealloc): Remove.
5519         (recompute_all_luids): New function.
5520         (gcse_main): Don't compute sets, and don't do related memory
5521         allocations/free-ing.  If something changed before the end of the
5522         pass, update LUIDs using recompute_all_luids.
5523         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
5524         (free_gcse_mem): Don't free it either.
5525         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
5526         Use the df insn LUIDs.
5527         (load_killed_in_block): Likewise.
5528         (compute_hash_table_work): Don't compute reg_set_in_block.
5529         (compute_transp): Use DF_REG_DEF_CHAINs.
5530         (local_cprop_pass): Don't use compute_sets and related functions.
5531         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
5532         Use get_max_uid() instead of max_cuid.
5533         (insert_insn_end_basic_block, pre_insert_copy_insn,
5534         update_ld_motion_stores): Don't try to
5535         keep reg_set tables up to date.
5536         (pre_insert_copies): Use df insn LUIDs.
5537         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
5538         (reg_set_info): Don't use extra bitmap argument.
5539         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
5540         information to compute regs_set_in_block.
5541         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
5542         (bypass_jumps): Don't use compute_sets and friends.
5543
5544 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5545
5546         PR testsuite/39710
5547         * opts.c (undocumented_msg): Do not leave blank even with
5548         ENABLE_CHECKING.
5549
5550 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
5551
5552         * c-decl.c (build_enumerator): Allow values folding to integer
5553         constants but not integer constant expressions with a pedwarn if
5554         pedantic.
5555
5556 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
5557
5558         PR c/39582
5559         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
5560         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
5561         type is an integer constant.
5562
5563 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
5564
5565         PR target/39897
5566         * config/i386/i386.c (print_operand) ['z']: Revert handling of
5567         HImode operands.
5568
5569 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
5570
5571         PR c/39564
5572         * c-decl.c (grokdeclarator): Diagnose declarations of functions
5573         with variably modified return type and no storage class
5574         specifiers, except for the case of nested functions.  Distinguish
5575         extern declarations of functions with variably modified return
5576         types from those of objects with variably modified types.
5577
5578 2009-04-25  Jan Hubicka  <jh@suse.cz>
5579
5580         * tree.c (list_equal_p): New function.
5581         * tree.h (list_equal_p): Declare.
5582         * coretypes.h (edge_def, edge, const_edge, basic_block_def
5583         basic_block_def, basic_block, const_basic_block): New.
5584         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
5585         (redirect_eh_edge): New function.
5586         (make_eh_edge_update_phi): EH edges are not abnormal.
5587         * except.c: Include tree-flow.h.
5588         (list_match): New function.
5589         (eh_region_replaceable_by_p): New function.
5590         (replace_region): New function.
5591         (hash_type_list): New function.
5592         (hash_eh_region): New function.
5593         (eh_regions_equal_p): New function.
5594         (merge_peers): New function.
5595         (remove_unreachable_regions): Verify EH tree when checking;
5596         merge peers.
5597         (copy_eh_region_1): New function.
5598         (copy_eh_region): New function.
5599         (push_reachable_handler): New function.
5600         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
5601         regions without label but with live RESX.
5602         * except.h (redirect_eh_edge_to_label): New.
5603         * tree-flow.h (redirect_eh_edge): New.
5604         * coretypes.h (edge_def, edge, const_edge, basic_block_def
5605         basic_block_def, basic_block, const_basic_block): Remove.
5606         * Makefile.in (except.o): Add dependency on tree-flow.h
5607         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
5608         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
5609         Remove.
5610
5611 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
5612
5613         PR bootstrap/39645
5614         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
5615         on the destination of memcpy.
5616
5617 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
5618
5619         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
5620         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
5621         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
5622
5623 2009-04-25  Jan Hubicka  <jh@suse.cz>
5624
5625         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
5626         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
5627         to be reached by different label than left.
5628         (update_eh_edges): Update comment; remove edge_to_remove if possible
5629         and return true if suceeded.
5630         (cleanup_empty_eh): Accept sharing map; handle shared regions.
5631         (cleanup_eh): Compute sharing map.
5632         * except.c (remove_eh_handler_and_replace): Add argument if we should
5633         update regions.
5634         (remove_unreachable_regions): Update for label sharing.
5635         (label_to_region_map): Likewise.
5636         (get_next_region_sharing_label): New function.
5637         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
5638         prev_try pointers.
5639         (remove_eh_handler): Update.
5640         (remove_eh_region_and_replace_by_outer_of): New function.
5641         * except.h (struct eh_region): Add next_region_sharing_label.
5642         (remove_eh_region_and_replace_by_outer_of,
5643         get_next_region_sharing_label): Declare.
5644         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
5645
5646 2009-04-25  Jan Hubicka  <jh@suse.cz>
5647
5648         * tree-cfg.c (split_critical_edges): Split also edges where we can't
5649         insert code even if they are not critical.
5650
5651 2009-04-25  Jan Hubicka  <jh@suse.cz>
5652
5653         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
5654         (gimple_can_remove_branch_p): EH edges won't remove branch by
5655         redirection.
5656         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
5657         updating of non-abnormal EH edges.
5658         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
5659         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
5660         (split_critical_edges): Split also edges where emitting code on them
5661         will lead to splitting later.
5662
5663 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
5664             H.J. Lu  <hongjiu.lu@intel.com>
5665
5666         PR target/39590
5667         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
5668         the configured assembler supports fildq and fistpq mnemonics.
5669         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
5670         * configure: Regenerated.
5671         * config.in: Ditto.
5672
5673         * config/i386/i386.c (print_operand): Handle 'Z'.
5674         ['z']: Remove handling of special fild/fist suffixes.
5675         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
5676         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
5677         suffix of fild insn.
5678         (*floatsi<mode>2_vector_mixed): Ditto.
5679         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
5680         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
5681         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
5682         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
5683         * config/i386/gas.h (GAS_MNEMONICS): Remove.
5684
5685 2009-04-25  Ben Elliston  <bje@au.ibm.com>
5686  
5687         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
5688         the source of a set operation.
5689
5690 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
5691
5692         * target.h (struct gcc_target): Add case_values_threshold field.
5693         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
5694         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
5695         * targhooks.c (default_case_values_threshold): New function.
5696         * targhooks.h (default_case_values_threshold): Declare function.
5697         * stmt.c (expand_case): Use case_values_threshold target hook.
5698         * expr.h (case_values_threshold): Remove declartation.
5699         * expr.c (case_values_threshold): Remove function.
5700         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
5701
5702         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
5703         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
5704         (avr_case_values_threshold): Declare as static.
5705         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
5706
5707         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
5708         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
5709         (mn10300_case_values_threshold): New function.
5710
5711 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5712
5713         * ira.c (setup_cover_and_important_classes): Add enum cast.
5714
5715 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
5716
5717         * genpreds.c (write_enum_constraint_num): Output definition of
5718         CONSTRAINT_NUM_DEFINED_P macro.
5719         * ira.c (setup_cover_and_important_classes): Use
5720         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
5721         
5722 2009-04-24  DJ Delorie  <dj@redhat.com>
5723
5724         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
5725         __SH2A_SINGLE_ONLY__ also.
5726
5727 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
5728
5729         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
5730         (movdf_internal): Ditto.
5731         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
5732         SFmode and DFmode constants.
5733         (ia64_print_operand): Add 'G' format for printing
5734         floating point constants.
5735
5736 2009-04-24  Richard Guenther  <rguenther@suse.de>
5737
5738         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
5739         from unsigned additions.
5740
5741 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
5742
5743         * c-typeck.c (set_init_index): Allow array designators that are
5744         not integer constant expressions with a pedwarn if pedantic.
5745
5746 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5747
5748         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
5749         zero if no overlap in nonzero bits between the operands.
5750
5751 2009-04-24  Ian Lance Taylor  <iant@google.com>
5752
5753         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
5754         (record_dead_and_set_regs): Likewise.
5755         * df.h (struct df_mw_hardreg): Change flags field to int.
5756         (struct df_base_ref): Likewise.
5757         (struct df): Change changeable_flags field to int.
5758         * df-scan.c (df_defs_record): Change clobber_flags to int.
5759         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
5760         constants rather than #define macros.
5761         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
5762         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
5763         (enum dwarf_calling_convention): Likewise.
5764         (enum dwarf_line_number_x_ops): Likewise.
5765         (enum dwarf_call_frame_info): Likewise.
5766         (enum dwarf_source_language): Likewise.
5767         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
5768         (add_calling_convention_attribute): Likewise.
5769         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
5770         (combine_comparisons): Change compcode to int.  Add cast to enum type.
5771         * genrecog.c (maybe_both_true_2): Change c to int.
5772         (write_switch): Likewise.  Add cast to enum type.
5773         * gimplify.c (gimplify_omp_for): Handle return values from
5774         gimplify_expr using MIN rather than bitwise or.
5775         (gimplify_expr): Add cast to enum type.
5776         * ipa-prop.c (update_jump_functions_after_inlining): Change
5777         IPA_BOTTOM to IPA_JF_UNKNOWN.
5778         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
5779         Add casts to enum type.
5780         (setup_cover_and_important_classes): Change cl to int.  Add casts
5781         to enum type.
5782         (setup_class_translate): Change cl and mode to int.
5783         (ira_init_once): Change mode to int.
5784         (free_register_move_costs): Likewise.
5785         (setup_prohibited_mode_move_regs): Add casts to enum type.
5786         * langhooks.c (add_builtin_function_common): Rework assertion that
5787         value fits bitfield.
5788         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
5789         * omega.c (omega_do_elimination): Avoid math on enum types.
5790         * optabs.c (expand_vec_shift_expr): Remove casts to int.
5791         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
5792         int local to handle integral_argment value.
5793         * regmove.c (try_auto_increment): Change PUT_MODE to
5794         PUT_REG_NOTE_KIND.
5795         * reload.c (push_secondary_reload): Add casts to enum type.
5796         (secondary_reload_class, find_valid_class): Likewise.
5797         * reload1.c (emit_input_reload_insns): Likewise.
5798         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
5799         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
5800         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
5801         constant.
5802         * tree.c (build_common_builtin_nodes): Add casts to enum type.
5803         * tree-complex.c (complex_lattice_t): Typedef to int rather than
5804         enum type.
5805         (expand_complex_libcall): Add casts to enum type.
5806         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
5807         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
5808         with ERROR_MARK, not NUM_TREE_CODES.
5809         (vect_create_epilog_for_reduction): Likewise.
5810         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
5811         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
5812         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
5813         enum machine_mode.
5814         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
5815         vect_unused_in_loop.  Change 0 to loop_vect.
5816         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
5817         * var-tracking.c (get_init_value): Change return type to enum
5818         var_init_status.
5819         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
5820         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
5821         arm_fp_model.
5822         (arm_override_options): Add casts to enum type.
5823         (arm_emit_tls_decoration): Likewise.
5824         * config/i386/i386.c (ix86_function_specific_restore): Add casts
5825         to enum type.
5826         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
5827         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
5828         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
5829         enum type.
5830         * config/s390/s390.c (code_for_builtin_64): Change to array of
5831         enum insn_code.
5832         (code_for_builtin_31): Likewise.
5833         (s390_expand_builtin): Change code_for_builtin to enum insn_code
5834         const *.
5835         * config/sparc/sparc.c (sparc_override_options): Change value
5836         field in struct code_model to enum cmodel.  In initializer change
5837         0 to NULL and add cast to enum type.
5838
5839         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
5840         Change all callers.  Issue a -Wc++-compat warning using
5841         lhs_origtype if necessary.
5842         (convert_for_assignment): Issue -Wc++-compat warnings about
5843         invalid conversions to enum type on assignment.
5844         * c-common.h (build_modify_expr): Update declaration.
5845
5846 2009-04-24  Nick Clifton  <nickc@redhat.com>
5847
5848         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
5849         (function_arg_advance): Likewise.
5850         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
5851         5th alternative.
5852
5853 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5854
5855         * config/s390/constraints.md ('I', 'J'): Fix condition.
5856
5857 2009-04-24  Diego Novillo  <dnovillo@google.com>
5858
5859         * gengtype-parse.c (parse_error): Add newline after message.
5860
5861 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5862
5863         * config/i386/sse.md (avxmodesuffixs): Removed.
5864         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
5865         (*avx_pinsr<ssevecsize>): This.
5866
5867 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5868
5869         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
5870         follow chains of regs with a single definition, and allow expressions
5871         that are function_invariant_p.
5872         (simple_rhs_p): Allow expressions that are function_invariant_p.
5873
5874 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
5875
5876         PR middle-end/39867
5877         * fold-const.c (fold_cond_expr_with_comparison): When folding
5878         > and >= to MAX, make sure the MAX uses the same type as the
5879         comparison's operands.
5880
5881 2009-04-24  Nick Clifton  <nickc@redhat.com>
5882
5883         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
5884         addressing for DImode accesses.
5885         (frv_print_operand_address): Handle PLUS case.
5886         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
5887
5888 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
5889
5890         PR rtl-optimization/39794
5891         * alias.c (canon_true_dependence): Add x_addr argument.
5892         * rtl.h (canon_true_dependence): Adjust prototype.
5893         * cse.c (check_dependence): Adjust canon_true_dependence callers.
5894         * cselib.c (cselib_invalidate_mem): Likewise.
5895         * gcse.c (compute_transp): Likewise.
5896         * dse.c (scan_reads_nospill): Likewise.
5897         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
5898         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
5899         canon_base_addr of the group, plus optional offset.
5900         (struct group_info): Rename canon_base_mem to
5901         canon_base_addr.
5902         (get_group_info): Set canon_base_addr to canon_rtx of base, not
5903         canon_rtx of base_mem.
5904
5905 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
5906
5907         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
5908         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
5909
5910 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5911
5912         * config/spu/spu-builtins.h: Delete file.
5913
5914         * config/spu/spu.h (enum spu_builtin_type): Move here from
5915         spu-builtins.h.
5916         (struct spu_builtin_description): Likewise.  Add GTY marker.
5917         Do not use enum spu_function_code or enum insn_code.
5918         (spu_builtins): Add extern declaration.
5919
5920         * config/spu/spu.c: Do not include "spu-builtins.h".
5921         (enum spu_function_code, enum spu_builtin_type_index,
5922         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
5923         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
5924         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
5925         unsigned_V2DI_type_node): Move here from spu-builtins.h.
5926         (spu_builtin_types): Make static.  Add GTY marker.
5927         (spu_builtins): Add extern declaration with GTY marker.
5928         Include "gt-spu.h".
5929
5930         * config/spu/spu-c.c: Do not include "spu-builtins.h".
5931         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
5932         Check programmatically whether all parameters are scalar.
5933
5934         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
5935
5936 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
5937
5938         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
5939         assignment from the constructor either if the target is volatile.
5940
5941 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
5942
5943         * config/arm/arm.md (insv): Do not share operands[0].
5944
5945 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5946
5947         * config/vxlib-tls.c (active_tls_threads): Delete.
5948         (delete_hook_installed): New.
5949         (tls_delete_hook): Don't delete the delete hook.
5950         (tls_destructor): Delete it here.
5951         (__gthread_set_specific): Adjust installing the delete hook.
5952         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
5953         __gthread_leave_tsd_dtor_context.
5954
5955 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
5956
5957         * c-format.c (gcc_tdiag_char_table): Add support for %E.
5958
5959 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
5960
5961         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
5962         enum type.
5963         (alpha_rtx_costs): Ditto.
5964         (emit_unlikely_jump): Use add_reg_note.
5965         (emit_frame_store_1): Ditto.
5966         (alpha_expand_prologue): Ditto.
5967         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5968         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
5969
5970 2009-04-23  Nick Clifton  <nickc@redhat.com>
5971
5972         * config/v850/v850.md (epilogue): Remove suppressed code.
5973         (return): Rename to return_simple and remove test of frame size.
5974         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
5975         to gen_return_simple.
5976
5977 2009-04-22  Jing Yu  <jingyu@google.com>
5978
5979         PR testsuite/39781
5980         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5981
5982 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5983
5984         PR C/31499
5985         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
5986         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
5987         value is a VECTOR_CST, the element type is the element type of the
5988         vector.
5989
5990 2009-04-22  DJ Delorie  <dj@redhat.com>
5991
5992         * config/m32c/m32c.h: Update GTY annotations to new syntax.
5993
5994 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
5995
5996         * alias.c (find_base_term): Move around LO_SUM case, so that
5997         CONST falls through into PLUS/MINUS handling.
5998
5999         PR c/39855
6000         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
6001         into 0, use omit_one_operand.
6002
6003 2009-04-23  Ben Elliston  <bje@au.ibm.com>
6004
6005         * config/rs6000/linux-unwind.h (get_regs): Remove type
6006         puns. Change the type of `pc' to an array of unsigned ints and
6007         update all users.  Constify frame24.
6008
6009 2009-04-22  DJ Delorie  <dj@redhat.com>
6010
6011         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
6012         declarations before code.
6013         (current_function_special_page_vector): Likewise.
6014         (m32c_expand_insv): Silence a warning.
6015
6016 2009-04-21  Taras Glek  <tglek@mozilla.com>
6017
6018         * alias.c: Update GTY annotations to new syntax.
6019         * basic-block.h: Likewise.
6020         * bitmap.h: Likewise.
6021         * c-common.h: Likewise.
6022         * c-decl.c: Likewise.
6023         * c-parser.c: Likewise.
6024         * c-pragma.c: Likewise.
6025         * c-tree.h: Likewise.
6026         * cfgloop.h: Likewise.
6027         * cgraph.h: Likewise.
6028         * config/alpha/alpha.c: Likewise.
6029         * config/arm/arm.h: Likewise.
6030         * config/avr/avr.h: Likewise.
6031         * config/bfin/bfin.c: Likewise.
6032         * config/cris/cris.c: Likewise.
6033         * config/darwin.c: Likewise.
6034         * config/frv/frv.c: Likewise.
6035         * config/i386/i386.c: Likewise.
6036         * config/i386/i386.h: Likewise.
6037         * config/i386/winnt.c: Likewise.
6038         * config/ia64/ia64.h: Likewise.
6039         * config/iq2000/iq2000.c: Likewise.
6040         * config/mips/mips.c: Likewise.
6041         * config/mmix/mmix.h: Likewise.
6042         * config/pa/pa.c: Likewise.
6043         * config/pa/pa.h: Likewise.
6044         * config/rs6000/rs6000.c: Likewise.
6045         * config/s390/s390.c: Likewise.
6046         * config/sparc/sparc.c: Likewise.
6047         * config/xtensa/xtensa.c: Likewise.
6048         * cselib.h: Likewise.
6049         * dbxout.c: Likewise.
6050         * dwarf2out.c: Likewise.
6051         * except.c: Likewise.
6052         * except.h: Likewise.
6053         * fixed-value.h: Likewise.
6054         * function.c: Likewise.
6055         * function.h: Likewise.
6056         * gimple.h: Likewise.
6057         * integrate.c: Likewise.
6058         * optabs.c: Likewise.
6059         * output.h: Likewise.
6060         * real.h: Likewise.
6061         * rtl.h: Likewise.
6062         * stringpool.c: Likewise.
6063         * tree-data-ref.c: Likewise.
6064         * tree-flow.h: Likewise.
6065         * tree-scalar-evolution.c: Likewise.
6066         * tree-ssa-address.c: Likewise.
6067         * tree-ssa-alias.h: Likewise.
6068         * tree-ssa-operands.h: Likewise.
6069         * tree.c: Likewise.
6070         * tree.h: Likewise.
6071         * varasm.c: Likewise.
6072         * varray.h: Likewise.
6073         * vec.h: Likewise.
6074         * coretypes.h: Do not define GTY macro if it is already defined.
6075         * doc/gty.texi: Update GTY documentation to new syntax.
6076         * gengtype-lex.l: Enforce attribute-like syntax for GTY
6077         annotations on structs.
6078         * gengtype-parse.c: Likewise.
6079
6080 2009-04-22  Mark Heffernan  <meheff@google.com>
6081
6082         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
6083
6084 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
6085
6086         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
6087         where appropriate.
6088
6089 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
6090
6091         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
6092         the same as a PLUS without a shift.  Increase the cost of a
6093         CONST_INT in MULT.
6094
6095 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6096
6097         * Makefile.in: Update dependencies.
6098         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
6099         * errors.h: Remove bogus comment about compatibility.
6100         (warning): Update declaration.
6101         * genautomata.c: Update all calls to warning.
6102         * gimple.c: Do not include errors.h. Include toplev.h.
6103         * tree-ssa-structalias.c: Do not include errors.h.
6104         * omega.c: Likewise.
6105         * tree-ssa-reassoc.c: Likewise.
6106         * config/spu/spu-c.c: Likewise.
6107         * config/spu/t-spu-elf: Update dependencies.
6108
6109 2009-04-22  Richard Guenther  <rguenther@suse.de>
6110
6111         PR tree-optimization/39824
6112         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
6113         make sure the types are compatible.
6114
6115 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6116
6117         PR c++/14875
6118         * c-common.c (c_parse_error): Take a token_flags parameter.
6119         Use token_type for the token type instead.
6120         Pass token_flags to cpp_type2name.
6121         * c-common.h (c_parse_error): Update declaration.
6122         * c-parser.c (c_parser_error): Pass 0 as token flags.
6123
6124 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
6125
6126         PR rtl-optimization/39580
6127         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
6128         
6129 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6130
6131         * function.c (expand_function_end): Do not emit a jump to the "naked"
6132         return label for fall-through returns.
6133         * except.c (sjlj_emit_function_exit): Always place the call to the
6134         unregister function at the location installed by expand_function_end.
6135
6136 2009-04-22  Richard Guenther  <rguenther@suse.de>
6137
6138         PR tree-optimization/39845
6139         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
6140         (gen_inbound_check): Likewise.
6141
6142 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6143
6144         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
6145         padding for PPC.
6146         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
6147         * config/vxlib.c (__gthread_once): Add race guard for PPC.
6148
6149 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6150
6151         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
6152         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
6153         shift counts to avoid out-of-bounds array accesses.
6154
6155 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6156
6157         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
6158         (Pmode): Move above.
6159
6160 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
6161
6162         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
6163         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
6164         GET_CODE macro.  Use IN_RANGE macro where appropriate.
6165         * config/alpha/alpha.h: Ditto.
6166         * config/alpha/alpha.md: Ditto.
6167         * config/alpha/constraints.md: Ditto.
6168         * config/alpha/predicates.md: Ditto.
6169         
6170 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6171
6172         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
6173         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6174         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6175         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6176         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6177         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6178         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6179         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6180         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6181         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6182         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6183         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6184         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6185         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6186         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6187         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6188         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6189         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6190         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6191         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6192         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6193         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6194         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6195         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6196         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6197         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6198         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6199
6200 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6201
6202         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
6203         references from comments.
6204         * cfgbuild.c: (count_basic_blocks): Delete.
6205         (find_basic_blocks_1): Delete.
6206         (find_basic_blocks): Delete.
6207         * except.c (finish_eh_generation): Make static.  Move comment from
6208         except.h here.  Remove find_basic_blocks references from comments.
6209         * except.h (finish_eh_generation): Delete.
6210         * basic-block.h (find_basic_blocks): Delete.
6211         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
6212
6213 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
6214
6215         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
6216         (sdbout_parms):  Likewise.
6217
6218 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6219
6220         * config/sh/sh.c (prepare_cbranch_operands): Use
6221         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
6222         (expand_cbranchdi4): Likewise.
6223         (from_compare): Add cast to enum type.
6224         (expand_cbranchsi4): Use add_reg_note.
6225         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
6226         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
6227         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
6228         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
6229         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
6230         instead of CODE_FOR_nothing.
6231         (cbranchdi4): Likewise.  Fix the order of arguments for
6232         gen_rtx_fmt_ee.
6233         (push_fpscr): Use add_reg_note.
6234         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
6235         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
6236         
6237 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
6238
6239         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
6240         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
6241         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
6242         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
6243         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
6244         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
6245         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
6246         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
6247         config/alpha/x-vms, config/arc/t-arc,
6248         config/arm/README-interworking, config/arm/arm-c.c,
6249         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
6250         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
6251         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
6252         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
6253         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
6254         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
6255         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
6256         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
6257         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
6258         config/cris/t-elfmulti, config/crx/t-crx,
6259         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
6260         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
6261         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
6262         config/h8300/t-h8300, config/i386/athlon.md,
6263         config/i386/darwin-libgcc.10.4.ver,
6264         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
6265         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
6266         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
6267         config/i386/t-linux64, config/i386/t-nwld,
6268         config/i386/t-rtems-i386, config/i386/t-sol2-10,
6269         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
6270         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
6271         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
6272         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
6273         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
6274         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
6275         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
6276         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
6277         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
6278         config/m68k/t-uclinux, config/mcore/t-mcore,
6279         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
6280         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
6281         config/mips/crtn.asm, config/mips/irix-crti.asm,
6282         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
6283         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
6284         config/mips/mips-fixed.md, config/mips/sb1.md,
6285         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
6286         config/mips/t-iris6, config/mips/t-isa3264,
6287         config/mips/t-libgcc-mips16, config/mips/t-linux64,
6288         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
6289         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
6290         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
6291         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
6292         config/mn10300/t-linux, config/mn10300/t-mn10300,
6293         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
6294         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
6295         config/picochip/libgccExtras/clzsi2.asm,
6296         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
6297         config/rs6000/darwin-libgcc.10.4.ver,
6298         config/rs6000/darwin-libgcc.10.5.ver,
6299         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
6300         config/rs6000/t-aix43, config/rs6000/t-aix52,
6301         config/rs6000/t-darwin, config/rs6000/t-fprules,
6302         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
6303         config/rs6000/t-lynx, config/rs6000/t-netbsd,
6304         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
6305         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
6306         config/rs6000/t-rtems, config/rs6000/t-spe,
6307         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
6308         config/score/t-score-elf, config/sh/divcost-analysis,
6309         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
6310         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
6311         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
6312         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
6313         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
6314         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
6315         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
6316         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
6317         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
6318         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
6319         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
6320         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
6321         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
6322         limitx.h, version.c, xcoff.h: Add copyright and license notices.
6323         * config/h8300/genmova.sh: Include copyright and license notices
6324         in generated output.
6325         * config/h8300/mova.md: Regenerate.
6326         * doc/install.texi2html: Include word "Copyright" in copyright
6327         notice and use name "Free Software Foundation, Inc.".
6328         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
6329         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
6330         ChangeLog-2007, ChangeLog-2008: Correct dates.
6331
6332 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
6333
6334         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
6335         NE_EXPR operations as well.
6336         * c-parser.c (c_parser_condition): Do not set location information on
6337         the condition.
6338         (c_parser_conditional_expression): Likewise.
6339         (c_parser_binary_expression): Set location information on operators.
6340         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
6341         TRUTH_NOT_EXPR has been folded.
6342         * fold-const.c (fold_truth_not_expr): Copy location information from
6343         the incoming expression to the outgoing one.
6344         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
6345         recursive calls on the LHS of the operator but pass that of the
6346         operator to recursive calls on the RHS of the operator.  Set it
6347         on the COND_EXPR.
6348         (shortcut_cond_expr): Set the locus of the operator on the second
6349         COND_EXPR and that of the expression on the first in degenerate cases.
6350         Pass the locus of the expression to calls to shortcut_cond_r.
6351         Set the locus of the 'then' block on the associated jump, if any.
6352         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
6353         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
6354         expression to call to gimplify_boolean_expr.
6355
6356 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
6357
6358         * config.gcc: Add additional configuration for
6359         i686-w64-mingw* and x86_64-w64-mingw* triplet.
6360         * config/i386/mingw-w64.h: New mingw-w64 specific header.
6361         (CPP_SPEC): Redefine for allowing -municode option.
6362         (STARTFILE_SPEC): Likewise.
6363         * config/i386/t-mingw-w64: New.
6364         * config/i386/mingw-w64.opt: New.
6365         (municode): Add new target option.
6366         * doc/invoke.texi (municode): Add documentation for new option.
6367
6368 2009-04-21  Ian Lance Taylor  <iant@google.com>
6369
6370         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6371         Correct test for number of arguments.
6372         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
6373
6374 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
6375
6376         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
6377         argument of emit_library_call.
6378
6379 2009-04-21  Richard Guenther  <rguenther@suse.de>
6380
6381         PR middle-end/39829
6382         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
6383         inside VIEW_CONVERT_EXPRs.
6384
6385 2009-04-21  Martin Jambor  <mjambor@suse.cz>
6386
6387         * tree-switch-conversion.c (build_constructors): Split a long line.
6388         (constructor_contains_same_values_p): New function.
6389         (build_one_array): Create assigns of constants if possible, do not
6390         call mark_sym_for_renaming, call update_stmt.
6391         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
6392         make_rename_temp.  Do not call mark_symbols_for_renaming, call
6393         update_stmt.
6394         (gen_def_assigns): Do not call mark_symbols_for_renaming or
6395         find_new_referenced_vars, call update_stmt.
6396         (gen_inbound_check): Use create_tmp_var and create ssa names manually
6397         instead of calling make_rename_temp.  Do not call
6398         find_new_referenced_vars or mark_symbols_for_renaming, call
6399         update_stmt.
6400
6401 2009-04-21  Richard Guenther  <rguenther@suse.de>
6402
6403         PR tree-optimization/39827
6404         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
6405         (tree_ssa_phiprop): Pass the correct array size.
6406
6407 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
6408
6409         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
6410
6411 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6412
6413         PR 16202
6414         * c-typeck.c (lvalue_p): Move declaration ...
6415         * c-common.h (lvalue_p): ... to here.
6416         * c-common.c (candidate_equal_p): New.
6417         (add_tlist): Use it.
6418         (merge_tlist): Use it.
6419         (warn_for_collisions_1): Likewise.
6420         (warning_candidate_p): Accept more candidates.
6421         (verify_tree): A warning candidate can be an expression. Use
6422         candidate_equal_p.
6423
6424 2009-04-21  Ben Elliston  <bje@au.ibm.com>
6425
6426         PR target/5267
6427         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
6428         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
6429         options.  Remove -mcall-solaris documentation.
6430
6431 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6432
6433         PR c++/13358
6434         * doc/invoke.texi (-Wlong-long): Update description.
6435         * c-lex (interpret_integer): Only warn if there was no previous
6436         overflow and -Wlong-long is enabled.
6437         * c-decl.c (declspecs_add_type): Drop redundant flags.
6438         * c.opt (Wlong-long): Init to -1.
6439         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
6440         and front-end warn_long_long. Wlong-long only depends on other
6441         flags if it is uninitialized.
6442         * c-parser.c (disable_extension_diagnostics): warn_long_long is
6443         the same for CPP and FE.
6444         (restore_extension_diagnostics): Likewise.
6445
6446 2009-04-20  Ian Lance Taylor  <iant@google.com>
6447
6448         Fix enum conversions which are invalid in C++:
6449         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
6450         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
6451         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
6452         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
6453         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
6454         (dbxout_parms): Likewise.
6455         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
6456         (df_clear_flags): Likewise.
6457         * df-problems.c (df_rd_bb_local_compute_process_def): Change
6458         top_flag parameter to int.
6459         (df_chain_create_bb_process_use): Likewise.
6460         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
6461         Remove cast.
6462         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
6463         (df_ref_create_structure, df_def_record_1): Likewise.
6464         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
6465         (df_notes_rescan): Change 0 to VOIDmode in function call.
6466         (df_get_call_refs, df_insn_refs_collect): Likewise.
6467         (df_bb_regs_collect): Likewise.
6468         (df_entry_block_defs_collect): Likewise.
6469         (df_exit_block_uses_collect): Likewise.
6470         * df.h: Update declarations.
6471         * double-int.c (double_int_divmod): Add cast to enum type.
6472         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
6473         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
6474         (based_loc_descr): Likewise.
6475         (loc_descriptor_from_tree_1): Change first_op and second_op to
6476         enum dwarf_location_atom.  Add cast to enum type.
6477         * expmed.c (init_expmed): Change 0 to SET in function call.
6478         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
6479         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
6480         (do_store_flag): Likewise.
6481         * fixed-value.h (struct fixed_value): Change mode to enum
6482         machine_mode.
6483         * function.c (assign_parms): Change 0 to VOIDmode in function call.
6484         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
6485         function call.
6486         (insert_insn_decl, insert_decl, insert_state): Likewise.
6487         (automata_list_finish): Likewise.
6488         * genrecog.c (process_define_predicate): Add cast to enum type.
6489         * gensupport.c (init_predicate_table): Add cast to enum type.
6490         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
6491         function call.
6492         (gimple_build_call_1, gimple_build_label): Likewise.
6493         (gimple_build_goto, gimple_build_asm_1): Likewise.
6494         (gimple_build_switch_1, gimple_build_cdt): Likewise.
6495         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
6496         (enum fallback): Rename from enum fallback_t.
6497         (fallback_t): Typedef as int.
6498         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
6499         GSI_SAME_STMT in function call.
6500         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
6501         enum type.
6502         (setup_reg_class_relations): Likewise.
6503         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
6504         (setup_prohibited_class_mode_regs): Add cast to enum type.
6505         (setup_prohibited_mode_move_regs): Likewise.
6506         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
6507         (record_address_regs): Change i to enum reg_class.
6508         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
6509         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
6510         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
6511         (GET_MODE_2XWIDER_MODE): Likewise.
6512         (GET_CLASS_NARROWEST_MODE): Likewise.
6513         * omp-low.c (expand_omp_for): Add cast to enum type.
6514         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
6515         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
6516         * postreload.c (reload_cse_simplify_operands): Change rclass local
6517         to enum reg_class.
6518         * predict.c (combine_predictions_for_insn): Change best_predictor
6519         and predictor to enum br_predictor.
6520         (combine_predictions_for_bb): Likewise.
6521         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
6522         use SET_PREDICT_EXPR_OUTCOME.
6523         * real.c (real_arithmetic): Change icode to code in function call.
6524         * reginfo.c (init_move_cost): Add casts to enum type.
6525         (init_reg_sets_1, init_fake_stack_mems): Likewise.
6526         * regmove.c (regclass_compatible_p): Change class0 and class1 to
6527         enum reg_class.
6528         * reload.c (find_valid_class): Add casts to enum type.
6529         (push_reload): Change 0 to NO_REGS in function call.
6530         (find_reloads): Change this_alternative to array of enum
6531         reg_class.  Remove some now-unnecessary casts.
6532         (make_memloc): Change 0 to VOIDmode in function call.
6533         * reload1.c (reload): Change 0 to VOIDmode in function call.
6534         (eliminate_regs_1, elimination_effects): Likewise.
6535         (eliminate_regs_in_insn): Likewise.
6536         (emit_input_reload_insns): Add cast to enum type.
6537         (delete_output_reload): Change 0 to VOIDmode in function call.
6538         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
6539         to enum type in function call.
6540         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
6541         (SET_PREDICT_EXPR_OUTCOME): Define.
6542         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
6543         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
6544         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
6545         (dump_function): Likewise.
6546         * tree-dump.h: Update declarations.
6547         * tree-pass.h: Update declarations.
6548         * varasm.c (assemble_integer): Change mclass to enum mode_class.
6549         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
6550         enum type.
6551         (arm_rtx_costs_1): Correct parenthesization.
6552         (arm_rtx_costs): Add casts to enum type.
6553         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
6554         (vfp_emit_fstmd): Use add_rg_note.
6555         (emit_multi_reg_push, emit_sfm): Likewise.
6556         (thumb_set_frame_pointer): Likewise.
6557         (arm_expand_prologue): Likewise.
6558         (arm_regno_class): Change return type to enum reg_class.
6559         (thumb1_expand_prologue): Use add_reg_note.
6560         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
6561         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
6562         in function call.
6563         * config/arm/gentune.sh: Add cast to enum type.
6564         * config/arm/arm-tune.md: Rebuild.
6565         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
6566         (ix86_split_fp_branch, predict_jump): Likewise.
6567         (ix86_expand_multi_arg_builtin): Change sub_code from enum
6568         insn_code to enum rtx_code.
6569         (ix86_builtin_vectorized_function): Add cast to enum type.
6570         * config/i386/i386.md (truncdfsf2): Change slot to enum
6571         ix86_stack_slot.
6572         (truncxf<mode>2, isinf<mode>2): Likewise.
6573         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
6574         enum type.
6575         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
6576         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
6577         (insert_bundle_state): Change 1 to INSERT in function call.
6578         (ia64_add_bundle_selector_before): Likewise.
6579         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
6580         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
6581         (restore_stack_nonlocal): Likewise.
6582         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
6583         function call.
6584         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
6585         function call.
6586         (mips_rtx_costs): Likewise.
6587         (mips_override_options): Add casts to enum type.
6588         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
6589         in function call.
6590         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
6591         (store_reg, set_reg_plus_d): Likewise.
6592         (hppa_expand_prologue, hppa_profile_hook): Likewise.
6593         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6594         cast to enum type.
6595         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
6596         function call.
6597         (emit_unlikely_jump): Use add_reg_note.
6598         (rs6000_emit_allocate_stack): Likewise.
6599         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
6600         (output_toc): Change 1 to INSERT in function call.
6601         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
6602         (rs6000_initialize_trampoline): Likewise.
6603         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
6604         function call.
6605         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
6606         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
6607         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
6608         (save_gprs): Use add_reg_note.
6609         (s390_emit_prologue): Likewise.
6610         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
6611         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
6612         (sparc_fold_builtin): Add cast to enum type.
6613         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
6614         enum insn_code.
6615         (spu_expand_prologue): Use add_reg_note.
6616         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
6617
6618 2009-04-20  Ian Lance Taylor  <iant@google.com>
6619
6620         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
6621         (c_parser_postfix_expression_after_primary): Get VEC for list of
6622         arguments.  Get original types of arguments.  Call
6623         build_function_call_vec.
6624         (cached_expr_list_1, cached_expr_list_2): New static variables.
6625         (c_parser_expr_list): Change return type to VEC *.  Add
6626         p_orig_types parameter.  Change all callers.
6627         (c_parser_release_expr): New static function.
6628         (c_parser_vec_to_tree_list): New static function.
6629         * c-typeck.c (build_function_call): Rewrite to build a VEC and
6630         call build_function_call_vec.
6631         (build_function_call_vec): New function, based on old
6632         build_function_call.
6633         (convert_arguments): Remove nargs and argarray parameters.  Change
6634         values to a VEC.  Add origtypes parameter.
6635         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
6636         (convert_for_assignment): Add origtype parameter.  Change all
6637         callers.  If warn_cxx_compat, check for conversion to an enum
6638         type when calling a function.
6639         (store_init_value): Add origtype parameter.  Change all callers.
6640         (digest_init): Likewise.
6641         (struct init_node): Add origtype field.
6642         (add_pending_init): Add origtype parameter.  Change all callers.
6643         (output_init_element): Likewise.
6644         (output_pending_init_elements): Pass origtype from init_node to
6645         output_init_element.
6646         (process_init_element): Pass origtype from c_expr to
6647         output_init_element.
6648         (c_finish_return): Add origtype parameter.  Change all callers.
6649         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
6650         caller.
6651         (sync_resolve_params): Likewise.
6652         (sync_resolve_return): Change params to first_param.  Change caller.
6653         (resolve_overloaded_builtins): Change params to VEC *.  Change
6654         callers.  Save first parameter around call to build_function_call_vec.
6655         * c-decl.c (finish_decl): Add origtype parameter.  Change all
6656         callers.  Call build_function_call_vec rather than
6657         build_function_call for cleanup.
6658         * c-tree.h: Update declarations.
6659         * c-common.h: Update declarations.
6660         * stub-objc.c (objc_rewrite_function_call): Change parameter from
6661         params to first_param.
6662         * target.h (struct gcc_target): Change resolve_overloaded_builtin
6663         params parameter from tree to void *.
6664         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6665         Change arglist parameter to have type void *, and to be a pointer
6666         to a VEC.
6667         * config/rs6000/rs6000-protos.h
6668         (altivec_resolve_overloaded_builtin): Update declaration.
6669         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
6670         fnargs parameter to have type void *, and to be a pointer to a
6671         VEC.  Call build_function_call_vec instead of
6672         build_function_call.
6673         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
6674
6675 2009-04-20  Joey Ye  <joey.ye@intel.com>
6676             Xuepeng Guo  <xuepeng.guo@intel.com>
6677             H.J. Lu  <hongjiu.lu@intel.com>
6678
6679         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
6680
6681         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
6682         (IX86_LEA_PRIORITY): Likewise.
6683         (distance_non_agu_define): New function.
6684         (distance_agu_use): Likewise.
6685         (ix86_lea_for_add_ok): Likewise.
6686         (ix86_dep_by_shift_count): Likewise.
6687
6688         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
6689         should split for LEA.
6690
6691         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
6692         function.
6693         (ix86_dep_by_shift_count): Likewise.
6694
6695 2009-04-20  Richard Guenther  <rguenther@suse.de>
6696
6697         * expr.c (handled_component_p): Move ...
6698         * tree.h (handled_component_p): ... here.
6699         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
6700         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
6701         and REALPART_EXPR to be in one group.
6702
6703 2009-04-20  Richard Guenther  <rguenther@suse.de>
6704
6705         * basic-block.h (get_all_dominated_blocks): Declare.
6706         * dominance.c (get_all_dominated_blocks): New function.
6707         * tree-cfg.c (get_all_dominated_blocks): Remove.
6708         (remove_edge_and_dominated_blocks): Adjust.
6709         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
6710         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
6711         instead of recursing.
6712
6713 2009-04-20  Doug Kwan  <dougkwan@google.com>
6714
6715         * cgraph.h (cgraph_node_ptr): New type for vector functions.
6716         (struct cgraph_node_set_def): New type.
6717         (cgraph_node_set) New type. Also declare vector functions.
6718         (struct cgraph_node_set_element_def): New type.
6719         (cgraph_node_set_element): Ditto.
6720         (cgraph_node_set_iterator): New iterator type.
6721         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
6722         cgraph_node_set_remove, dump_cgraph_node_set,
6723         debug_cgraph_node_set): New prototypes.
6724         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
6725         cgraph_node_set_size): New inlines.
6726         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
6727         including cgraph.h.
6728         (struct ipa_opt_pass): Add struct cgraph_node_set_def
6729         argument to function 'write_summary'.
6730         * ipa.c: Include ggc.h.
6731         (hash_cgraph_node_set_element,
6732         eq_cgraph_node_set_element, cgraph_node_set_new,
6733         cgraph_node_set_add, cgraph_node_set_remove,
6734         cgraph_node_set_find, dump_cgraph_node_set,
6735         debug_cgraph_node_set): New functions.
6736         * Makefile.in (ipa.o): Add dependency on GGC_H.
6737
6738 2009-04-20  Ira Rosen  <irar@il.ibm.com>
6739
6740         PR tree-optimization/39675
6741         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
6742         check of the return code of vect_schedule_slp. Check that
6743         stmt_vec_info still exists for the statement, before checking its
6744         vectorization type.
6745
6746 2009-04-20  Michael Matz  <matz@suse.de>
6747
6748         * Makefile.in (generated_files): Take out $(simple_generated_c).
6749
6750 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
6751
6752         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
6753         (UINTPTR_TYPE):  Likewise.
6754
6755 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
6756
6757         PR c/37481
6758         * c-typeck.c (digest_init): Check for initializing an array with a
6759         string literal.
6760
6761 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
6762
6763         PR c/19771
6764         * c-semantics.c (pop_stmt_list): Propagate
6765         STATEMENT_LIST_HAS_LABEL to parent statement list.
6766
6767 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
6768
6769         * config/mips/mips.h (mips_tune_attr): New macro.
6770         * config/mips/mips.md (cpu): Use it.
6771
6772 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
6773
6774         PR c/38243
6775         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
6776         declaring a tag.
6777
6778 2009-04-19  Diego Novillo  <dnovillo@google.com>
6779
6780         * toplev.c (compile_file): Move call to coverage_finish ...
6781         * cgraphunit.c (ipa_passes): ... here.
6782         Call cgraph_process_new_functions.
6783         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
6784         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
6785
6786 2009-04-19  Jan Hubicka  <jh@suse.cz>
6787
6788         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
6789         cfun.
6790         (dump_cgraph_node): Dump can throw external flag.
6791         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
6792
6793 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6794
6795         PR c/32061
6796         PR c++/36954
6797         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
6798         * common.opt (Wlogical-op): Move from here...
6799         * c.opt (Wlogical-op): ... to here.
6800         * c-typeck.c (parser_build_binary_op): Update call to
6801         warn_logical_operator.
6802         * c-opts.c (c_common_post_options): Enable warn_logical_op with
6803         extra_warnings.
6804         * c-common.c (warn_logical_op): Update.
6805         * c-common.h (warn_logical_op): Update declaration.
6806
6807 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
6808
6809         * tree.c (protected_set_expr_location): Fix formatting.
6810
6811 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
6812
6813         PR c/27676
6814         * c-typeck.c (readonly_warning): new.
6815         (build_unary_op, build_modify_expr): Use readonly_warning for
6816         storing into something readonly but not const-qualified.
6817
6818 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
6819
6820         PR c/22367
6821         * c-typeck.c (build_unary_op): Check for taking address of
6822         expression of type void.
6823
6824 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
6825
6826         PR c/35210
6827         * c-typeck.c (build_function_call): Check for calling a function
6828         with qualified void return types.  Call require_complete_type when
6829         generating a trap.
6830
6831 2009-04-18  Jan Hubicka  <jh@suse.cz>
6832
6833         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
6834         Set nothrow flag.
6835         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
6836         can_throw_external flag.
6837         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
6838         * ipa-pure-const.c (ignore_edge): New function.
6839         (propagate): Compute order for NOTHROW computation; set NOTHROWs
6840         only over can_throw_external edges.
6841         (local_pure_const): Add nothrow flag.
6842         * ipa-utils.c (searchc): Add ignore_edge callback.
6843         (ipa_utils_reduced_inorder): Add ignore_edge callback.
6844         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
6845         (set_nothrow_function_flags): Update cgraph.
6846         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
6847
6848 2009-04-18  Richard Guenther  <rguenther@suse.de>
6849
6850         PR middle-end/39804
6851         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
6852         (fold_stmt): ... this and ...
6853         (fold_stmt_inplace): ... this.
6854         (fold_stmt_1): Fold references in calls and asms.
6855         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
6856
6857 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6858
6859         * tree-vrp.c (ssa_name_nonzero_p): Remove.
6860         * tree.h: Remove the prototype for ssa_name_nonzero_p.
6861
6862 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6863
6864         * tree.c (function_args_count): Remove.
6865         * tree.h: Remove the prototype for function_args_count.
6866
6867 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6868
6869         * tree-iterator.c (expr_only): Remove.
6870         * tree.h: Remove the prototype for expr_only.
6871
6872 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6873
6874         * reginfo.c (cannot_change_mode_set_regs): Remove.
6875         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
6876
6877 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
6878
6879         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
6880         whether operands 0 and 1 overlaps.
6881
6882 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6883
6884         PR middle-end/36902
6885         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
6886         pointer. Use warning_at instead of warning.
6887         (search_for_addr_array): Likewise.
6888         (check_array_bounds): Likewise.
6889         (check_all_array_refs): Check that the incoming edge is not in the
6890         list of edges to be removed.
6891         (check_all_array_refs): Avoid the temporal pointer.
6892         (vrp_visit_cond_stmt): Fix typo.
6893         (simplify_switch_using_ranges): Handle the case where the switch
6894         index is an integer constant.
6895
6896 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
6897
6898         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
6899
6900 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
6901
6902         * doc/extend.texi, doc/invoke.texi: Fix typos.
6903
6904 2009-04-17  Cary Coutant  <ccoutant@google.com>
6905
6906         * tree-flow-inline.h (get_lineno): Fix inverted test.
6907
6908 2009-04-17  Diego Novillo  <dnovillo@google.com>
6909
6910         * tree-ssa-pre.c (create_expression_by_pieces): Remove
6911         assertion for AVAIL_OUT.
6912
6913 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
6914
6915         PR target/38627
6916         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
6917         * config/sh/linux-atomic.asm: Likewise.
6918
6919 2009-04-17  Diego Novillo  <dnovillo@google.com>
6920
6921         * except.c (debug_eh_tree): New.
6922         (struct eh_region, struct eh_status): Move ...
6923         * except.h: ... here.
6924         (add_type_for_runtime): Declare extern.
6925         (lookup_type_for_runtime): Likewise.
6926         (debug_eh_tree): Declare.
6927         * Makefile.in (GTFILES): List except.h before except.c
6928
6929 2009-04-17  Diego Novillo  <dnovillo@google.com>
6930
6931         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
6932         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6933         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
6934         (find_vars_r): ... here.
6935         * tree-flow.h (find_referenced_vars_in): Declare.
6936         * tree-ssa-pre.c (create_expression_by_pieces): Assert
6937         that AVAIL_OUT exists for BLOCK.
6938         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
6939         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
6940         (tree-parloops.o): Likewise.
6941
6942 2009-04-17  Simon Baldwin  <simonb@google.com>
6943
6944         * toplev.c (default_tree_printer): Add handling for %E format.
6945
6946 2009-04-17  Diego Novillo  <dnovillo@google.com>
6947
6948         * tree-pretty-print.c (dump_generic_node): Add break after
6949         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
6950         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
6951         FUNCTION_TYPE together.  Call print_struct_decl when printing
6952         structures and TDF_SLIM is not given.
6953         (print_struct_decl): Fix logic for detecting recursion.
6954
6955 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
6956
6957         PR 31567
6958         * gcc.c (create_at_file): New.
6959         (compile_input_file_p): New.
6960         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
6961         * main.c (main): Update call to toplev_main.
6962         * toplev.c (toplev_main): Change signature. Call expandargv.
6963         * toplev.h (toplev_main): Change signature.
6964
6965 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6966
6967         * dwarf2out.c (field_byte_offset): Use the type size as the field size
6968         if the latter is not constant.
6969
6970 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
6971
6972         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
6973
6974 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
6975
6976         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
6977         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
6978
6979 2009-04-17  Richard Guenther  <rguenther@suse.de>
6980
6981         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6982         Handle component references view-converting an invariant address.
6983
6984 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
6985
6986         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
6987         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
6988         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
6989         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
6990         Use @deftypevr rather than @deftypevar.
6991
6992 2009-04-17  Richard Guenther  <rguenther@suse.de>
6993
6994         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
6995         (get_prop_source_stmt): Likewise.
6996         (can_propagate_from): Likewise.
6997
6998 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
6999
7000         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
7001         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
7002         (--with-multilib-list): Add default value.
7003         * configure: Regenerate.
7004         * Makefile.in (TM_ENDIAN_CONFIG): Define.
7005         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
7006         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
7007         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
7008         Don't add default cpu to multilib list unnecessarily, but do enable
7009         the relevant compiler option..
7010         Add support for --with-multilib-list=<blank> and
7011         --with-multilib-list=!<somelib> to supress unwanted multilibs.
7012         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
7013         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
7014         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
7015         TM_MULTILIB_CONFIG.
7016         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
7017         (MULTILIB_OSDIRNAMES): New variable.
7018         * config/sh/t-1e: Delete file.
7019         * config/sh/t-mlib-sh1: Delete file.
7020         * config/sh/t-mlib-sh2: Delete file.
7021         * config/sh/t-mlib-sh2a: Delete file.
7022         * config/sh/t-mlib-sh2a-nofpu: Delete file.
7023         * config/sh/t-mlib-sh2a-single: Delete file.
7024         * config/sh/t-mlib-sh2a-single-only: Delete file.
7025         * config/sh/t-mlib-sh2e: Delete file.
7026         * config/sh/t-mlib-sh3e: Delete file.
7027         * config/sh/t-mlib-sh4: Delete file.
7028         * config/sh/t-mlib-sh4-nofpu: Delete file.
7029         * config/sh/t-mlib-sh4-single: Delete file.
7030         * config/sh/t-mlib-sh4-single-only: Delete file.
7031         * config/sh/t-mlib-sh4a: Delete file.
7032         * config/sh/t-mlib-sh4a-nofpu: Delete file.
7033         * config/sh/t-mlib-sh4a-single: Delete file.
7034         * config/sh/t-mlib-sh4a-single-only: Delete file.
7035         * config/sh/t-mlib-sh4al: Delete file.
7036         * config/sh/t-mlib-sh5-32media: Delete file.
7037         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
7038         * config/sh/t-mlib-sh5-64media: Delete file.
7039         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
7040         * config/sh/t-mlib-sh5-compact: Delete file.
7041         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
7042         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
7043         * doc/install.texi (Options specification): Add
7044         --with-multilib-list and --with-endian.
7045
7046 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
7047
7048         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
7049         REVISION_c.
7050         (OBJS-common): Add plugin-version.o.
7051         (plugin-version.o): New.
7052         * gcc-plugin.h (plugin_gcc_version): New.
7053         (plugin_default_version_check): New.
7054         (plugin_init_func, plugin_init): Add version argument.
7055         * plugin-version.c: New.
7056         * plugin.c (str_plugin_gcc_version_name): New.
7057         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
7058         pass it to the init function.
7059         (plugin_default_version_check): New.
7060
7061 2009-04-17  Richard Guenther  <rguenther@suse.de>
7062
7063         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
7064         for decl-vs-decl disambiguation.
7065
7066 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7067
7068         * config/s390/s390.h (s390_tune_attr): New macro definition.
7069         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
7070
7071 2009-04-17  Richard Guenther  <rguenther@suse.de>
7072
7073         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
7074         (fold_stmt_r): Likewise.
7075         (maybe_fold_reference): New function.
7076         (fold_gimple_assign): Handle cases fold_stmt_r did.
7077         (fold_stmt): Do not use fold_stmt_r.
7078         (fold_stmt_inplace): Likewise.
7079
7080 2009-04-17  Richard Guenther  <rguenther@suse.de>
7081
7082         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
7083         (record_equivalences_from_stmt): Remove useless checks and
7084         simplifications.
7085         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
7086         the type is already suitable.
7087
7088 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
7089
7090         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
7091
7092 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
7093
7094         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
7095         (CMPtype): Define as __gcc_CMPtype.
7096
7097 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
7098
7099         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
7100         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
7101
7102 2009-04-17  Richard Guenther  <rguenther@suse.de>
7103
7104         PR tree-optimization/39746
7105         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
7106         special-casing for builtins and static variable use/def.
7107         (call_may_clobber_ref_p_1): Likewise.
7108
7109 2009-04-16  Ian Lance Taylor  <iant@google.com>
7110
7111         * df.h: Include "timevar.h".
7112         (struct df_problem): Change tv_id field to timevar_id_t.
7113         * tree-pass.h: Include "timevar.h".
7114         (struct opt_pass): Change tv_id field to timevar_id_t.
7115         * timevar.h (timevar_id_t): Define TV_NONE.
7116         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
7117         TV_NONE rather than tv_id != 0.
7118         (execute_one_pass): Likewise.
7119         * Makefile.in (DF_H): Add $(TIMEVAR_H).
7120         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
7121         dependencies to $(TREE_PASS_H).
7122         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
7123         to TV_NONE.
7124         (pass_branch_target_load_optimize2): Likewise.
7125         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
7126         (pass_outof_cfg_layout_mode): Likewise.
7127         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
7128         (pass_rebuild_cgraph_edges): Likewise.
7129         (pass_remove_cgraph_callee_edges): Likewise.
7130         * df-core.c (pass_df_initialize_opt): Likewise.
7131         (pass_df_initialize_no_opt): Likewise.
7132         (pass_df_finish): Likewise.
7133         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
7134         * except.c (pass_set_nothrow_function_flags): Likewise.
7135         (pass_convert_to_eh_region_ranges): Likewise.
7136         * final.c (pass_compute_alignments): Likewise.
7137         * function.c (pass_instantiate_virtual_regs): Likewise.
7138         (pass_init_function): Likewise.
7139         (pass_leaf_regs): Likewise.
7140         (pass_match_asm_constraints): Likewise.
7141         * gimple-low.c (pass_lower_cf): Likewise.
7142         (pass_mark_used_blocks): Likewise.
7143         * init-regs.c (pass_initialize_regs): Likewise.
7144         * integrate.c (pass_initial_value_sets): Likewise.
7145         * ira.c (pass_ira): Likewise.
7146         * jump.c (pass_cleanup_barriers): Likewise.
7147         * omp-low.c (pass_expand_omp): Likewise.
7148         (pass_lower_omp): Likewise.
7149         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
7150         * recog.c (pass_split_all_insns): Likewise.
7151         (pass_split_after_reload): Likewise.
7152         (pass_split_before_regstack): Likewise.
7153         (pass_split_before_sched2): Likewise.
7154         (pass_split_for_shorten_branches): Likewise.
7155         * reginfo.c (pass_reginfo_init): Likewise.
7156         (pass_subregs_of_mode_init): Likewise.
7157         (pass_subregs_of_mode_finish): Likewise.
7158         * passes.c (pass_postreload): Likewise.
7159         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
7160         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
7161         (pass_warn_function_return): Likewise.
7162         (pass_warn_function_noreturn): Likewise.
7163         * tree-complex.c (pass_lower_complex): Likewise.
7164         (pass_lower_complex_O0): Likewise.
7165         * tree-if-conv.c (pass_if_conversion): Likewise.
7166         * tree-into-ssa.c (pass_build_ssa): Likewise.
7167         * tree-mudflap.c (pass_mudflap_1): Likewise.
7168         (pass_mudflap_2): Likewise.
7169         * tree-nomudflap.c (pass_mudflap_1): Likewise.
7170         (pass_mudflap_2): Likewise.
7171         * tree-nrv.c (pass_return_slot): Likewise.
7172         * tree-object-size.c (pass_object_sizes): Likewise.
7173         * tree-optimize.c (pass_all_optimizations): Likewise.
7174         (pass_early_local_passes): Likewise.
7175         (pass_all_early_optimizations): Likewise.
7176         (pass_cleanup_cfg): Likewise.
7177         (pass_cleanup_cfg_post_optimizing): Likewise.
7178         (pass_free_datastructures): Likewise.
7179         (pass_free_cfg_annotations): Likewise.
7180         (pass_fixup_cfg): Likewise.
7181         (pass_init_datastructures): Likewise.
7182         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
7183         (pass_late_warn_uninitialized): Likewise.
7184         (pass_update_address_taken): Likewise.
7185         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
7186         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
7187         (pass_cse_sincos): Likewise.
7188         (pass_convert_to_rsqrt): Likewise.
7189         * tree-ssa-structalias.c (pass_build_alias): Likewise.
7190         * tree-stdarg.c (pass_stdarg): Likewise.
7191         * tree-tailcall.c (pass_tail_recursion): Likewise.
7192         (pass_tail_calls): Likewise.
7193         * tree-vect-generic.c (pass_lower_vector): Likewise.
7194         (pass_lower_vector_ssa): Likewise.
7195         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
7196
7197 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
7198
7199         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
7200         XLR entry.
7201         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
7202         Handle -march=xlr.
7203         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
7204         logical and signext.
7205
7206 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
7207
7208         PR target/39767
7209         * config/sh/predicates.md (arith_operand): Check if the operand
7210         of TRUNCATE is a REG.
7211
7212 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7213
7214         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
7215         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
7216
7217 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7218
7219         * tree-iterator.c (tsi_split_statement_list_after,
7220         tsi_split_statement_list_before): Remove.
7221         * tree-iterator.h: Remove the prototypes for
7222         tsi_split_statement_list_after and tsi_split_statement_list_before.
7223
7224 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7225
7226         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
7227         * tree-ssa-propagate.h: Remove the prototype for
7228         stmt_makes_single_load.
7229
7230 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7231
7232         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
7233         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
7234
7235 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7236
7237         * tree-iterator.c (EXPR_LAST_BODY): Remove.
7238
7239 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7240
7241         * except.c (eh_region_outer_p): Remove.
7242         * except.h: Remove the prototype for eh_region_outer_p.
7243
7244 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7245
7246         * function.c (current_function_assembler_name): Remove.
7247         * function.h: Remove the prototype for
7248         current_function_assembler_name.
7249
7250 2009-04-16  Ian Lance Taylor  <iant@google.com>
7251
7252         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
7253         (add_reg_note): Call alloc_reg_note.
7254         * rtl.h (alloc_reg_note): Declare.
7255         * combine.c (try_combine): Use alloc_reg_note.
7256         (recog_for_combine, move_deaths): Likewise.
7257         (distribute_notes): Use alloc_reg_note and add_reg_note.
7258         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
7259         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
7260         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
7261
7262 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
7263
7264         PR rtl-optimization/39762
7265         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
7266         ira_may_move_out_cost): Add comments about way of their usage.
7267         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
7268
7269         * ira-conflicts.c (process_regs_for_copy): Use function
7270         ira_get_register_move_cost instead of global
7271         ira_register_move_cost.
7272
7273         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
7274         color_pass, move_spill_restore, update_curr_costs): Ditto.
7275
7276         * ira-lives.c (process_single_reg_class_operands): Ditto.
7277
7278         * ira-emit.c (emit_move_list): Ditto.
7279
7280         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
7281         (record_reg_classes): Ditto.  Use functions
7282         ira_get_register_move_cost and ira_get_may_move_cost instead of
7283         global vars ira_register_move_cost, ira_may_move_out_cost and
7284         ira_may_move_in_cost.
7285         (record_address_regs): Don't call ira_init_register_move_cost.
7286         Use function ira_get_may_move_cost instead of global
7287         ira_may_move_in_cost.
7288         (process_bb_node_for_hard_reg_moves): Use function
7289         ira_get_register_move_cost instead of global ira_register_move_cost.
7290         (ira_costs): Don't call ira_init_register_move_cost.
7291
7292 2009-04-16  Richard Guenther  <rguenther@suse.de>
7293
7294         * tree-cfg.c (verify_gimple_assign_binary):
7295         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
7296         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
7297         (create_general_new_stmt): Note that this function is broken.
7298
7299 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7300
7301         * common.opt (fhelp): Add Var(help_flag).
7302         * gcc-plugin.h (plugin_info): Add help.
7303         * plugin.c (plugin_name_args): Add help.
7304         (register_plugin_info): Set plugin->help.
7305         (print_help_one_plugin): New.
7306         (print_plugins_help): New.
7307         * plugin.h (print_plugins_help): New.
7308         * toplev.c (toplev_main): Call print_plugins_help if needed.
7309
7310 2009-04-16  Richard Guenther  <rguenther@suse.de>
7311
7312         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
7313         (gimple_ior_addresses_taken_1): New function.
7314         (gimple_ior_addresses_taken): Likewise.
7315         * gimple.h (struct gimple_statement_with_ops_base): Remove
7316         addresses_taken member.
7317         (gimple_ior_addresses_taken): Declare.
7318         (gimple_addresses_taken, gimple_addresses_taken_ptr,
7319         gimple_set_addresses_taken): Remove.
7320         * ipa-reference.c (mark_address): New function.
7321         (scan_stmt_for_static_refs): Use it for marking addresses taken.
7322         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
7323         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
7324         (gimple_add_to_addresses_taken): Remove.
7325         (get_tmr_operands): Call mark_address_taken.
7326         (get_asm_expr_operands): Likewise.
7327         (get_expr_operands): Likewise.
7328         (build_ssa_operands): Do not clear the addresses_taken bitmap.
7329         (free_stmt_operands): Do not free it.
7330         * tree-ssa.c (delete_tree_ssa): Likewise.
7331         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
7332
7333 2009-04-16  Richard Guenther  <rguenther@suse.de>
7334
7335         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
7336         (walk_stmt_load_store_ops): Likewise.
7337         * gimple.c (get_base_loadstore): New function.
7338         (walk_stmt_load_store_addr_ops): Likewise.
7339         (walk_stmt_load_store_ops): Likewise.
7340         * ipa-pure-const.c (check_op): Simplify.
7341         (check_load, check_store): New functions.
7342         (check_stmt): Use walk_stmt_load_store_ops.
7343         * ipa-reference.c (mark_load): Adjust signature.
7344         (mark_store): Likewise.
7345         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
7346
7347 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
7350         (plugin_info): New.
7351         * opts.c (common_handle_option): Don't call print_version.
7352         * plugin.c (plugin_name_args): Add version.
7353         (register_plugin_info): New.
7354         (register_callback): Handle PLUGIN_INFO.
7355         (try_init_one_plugin): New.
7356         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
7357         if failed to init.
7358         (finalize_one_plugin): New.
7359         (finalize_plugins): New.
7360         (print_one_plugin): New.
7361         (print_plugins_versions): New.
7362         * plugin.h (print_plugins_versions): New.
7363         (finalize_plugins): New.
7364         * toplev.c (compile_file): Don't call initialize_plugins.
7365         (print_version): Call print_plugins_versions.
7366         (toplev_main): Call initialize_plugins. Print version if needed.
7367         Call finalize_plugins.
7368
7369 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7370
7371         * common.opt (fversion): New.
7372         * gcc.c (print_version): New.
7373         (process_command): Don't print the version. Just set print_version.
7374         (main): Print version. Call subprocesses if print_version and
7375         verbose_flag are set.
7376         * opts.c (common_handle_option): Handle OPT_fversion.
7377
7378 2009-04-16  Richard Guenther  <rguenther@suse.de>
7379             Ira Rosen  <irar@il.ibm.com>
7380
7381         PR tree-optimization/39698
7382         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
7383         type of the reduction variable.  Only generate the def if
7384         it is needed.
7385
7386         * omp-low.c (expand_omp_for_generic): When converting to a pointer
7387         make sure to first convert to an integer of the same precision.
7388         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
7389         the type of the evolution correctly in computing the new
7390         induction variable base.
7391
7392 2009-04-16  Richard Guenther  <rguenther@suse.de>
7393
7394         PR middle-end/39625
7395         * tree-cfg.c (make_blocks): Split statements with to-be
7396         abnormal SSA names on the lhs.
7397
7398 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
7399
7400         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
7401         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
7402         * c-typeck.c (really_start_incremental_init): Likewise.
7403         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
7404         (TARGET_INITIALIZER): Remove it.
7405         * target.h (struct target): Remove vector_opaque_p.
7406         * tree.c (build_opaque_vector_type): New.
7407         * tree.h (TYPE_VECTOR_OPAQUE): New.
7408         (build_opaque_vector_type): Declare.
7409         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
7410         * config/rs6000/rs6000.c (build_opaque_vector_type,
7411         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
7412         (rs6000_init_builtins): Use build_opaque_vector_type for
7413         opaque_V4SI_type_node.
7414
7415 2009-04-15  Catherine Moore  <clm@codesourcery.com>
7416
7417         * debug.h (set_name):  Declare.
7418         * dwarf2out.c (dwarf2out_set_name): Declare.
7419         (dwarf2_debug_hooks): Add set_name.
7420         (find_AT_string): New.
7421         (add_AT_string): Call find_AT_string.
7422         (dwarf2out_set_name): New.
7423         * cp/decl.c (grokdeclarator): Call set_name.
7424         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
7425         * debug.c (do_nothing_debug_hooks):  Likewise.
7426         * dbxout.c (dbx_debug_hooks): Likewise.
7427         * sdbout.c (sdb_debug_hooks): Likewise.
7428
7429 2009-04-15  Michael Eager  <eager@eagercon.com>
7430
7431         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
7432         reg for single-precision FPU.
7433         * config/rs6000/rs6000.md (movsi_internal1): Only for
7434         !TARGET_SINGLE_FPU.
7435         (movsi_internal1_single): New. Add pattern to move SI values to/from
7436         single-precision FP regs.
7437
7438 2009-04-15  Richard Guenther  <rguenther@suse.de>
7439
7440         * omp-low.c (lower_rec_input_clauses): Build correct address
7441         expressions.
7442         (expand_omp_for_generic): Fix multiplication type.
7443         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
7444         (generate_memset_zero): Fix types.
7445         * tree-profile.c (prepare_instrumented_value): Correctly
7446         widen a pointer.
7447
7448 2009-04-15  Ian Lance Taylor  <iant@google.com>
7449
7450         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
7451         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
7452         for -Wall and for -Wc++-compat.
7453         (c_common_post_options): For C++, set warn_enum_compare if not
7454         already set.
7455         * c-tree.h (struct c_expr): Add field original_type.
7456         (build_external_ref): Update declaration.
7457         * c-parser.c (c_parser_braced_init): Set original_type.
7458         (c_parser_initelt): Likewise.
7459         (c_parser_expr_no_commas): Likewise.
7460         (c_parser_conditional_expression): Likewise.
7461         (c_parser_cast_expression): Likewise.
7462         (c_parser_unary_expression): Likewise.  Pull setting of
7463         original_code to top of function.
7464         (c_parser_sizeof_expression): Set original_type.
7465         (c_parser_alignof_expression): Likewise.
7466         (c_parser_postfix_expression): Likewise.  Pull setting of
7467         original_code to top of function.
7468         (c_parser_postfix_expression_after_paren_type): Set original_type.
7469         (c_parser_postfix_expression_after_primary): Likewise.
7470         (c_parser_expression): Likewise.
7471         * c-typeck.c (build_external_ref): Add type parameter.  Change all
7472         callers.
7473         (c_expr_sizeof_expr): Set original_type field.
7474         (parser_build_unary_op): Likewise.
7475         (parser_build_binary_op): Likewise.  Optionally warn about
7476         comparisons of enums of different types.
7477         (digest_init): Set original_type field.
7478         (really_start_incremental_init): Likewise.
7479         (push_init_level, pop_init_level): Likewise.
7480         * doc/invoke.texi (Warning Options): -Wenum-compare now
7481         supported in C.
7482
7483 2009-04-15  Richard Guenther  <rguenther@suse.de>
7484
7485         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
7486         out a necessary conversion.
7487         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
7488         names we didn't value number.
7489         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
7490
7491 2009-04-15  Richard Guenther  <rguenther@suse.de>
7492
7493         PR tree-optimization/39764
7494         * tree-ssa-ccp.c (get_value): Canonicalize value with
7495         canonicalize_float_value.
7496
7497 2009-04-15  Jan Hubicka  <jh@suse.cz>
7498
7499         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
7500         Wrong version of patch.
7501
7502 2009-04-15  Jan Hubicka  <jh@suse.cz>
7503
7504         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
7505
7506 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
7507
7508         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
7509         our distinct integral and vector types.
7510
7511 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
7512
7513         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
7514         * init.c (build_vtbl_address): Remove call to assemble_external.
7515
7516 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
7517
7518         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
7519         output for other floating point modes.
7520
7521 2009-04-14  Diego Novillo  <dnovillo@google.com>
7522
7523         * diagnostic.c (diagnostic_report_diagnostic): Do not
7524         warn about loaded plugins for DK_ERROR and DK_WARNING.
7525         * c-decl.c (declspecs_add_type): Move call to
7526         invoke_plugin_callbacks ...
7527         * c-parser.c (c_parser_declspecs): ... here.
7528         * plugin.c (dump_active_plugins): Tidy output.
7529
7530 2009-04-14  Diego Novillo  <dnovillo@google.com>
7531             Le-Chun Wu  <lcwu@google.com>
7532
7533         * configure.ac: Add --enable-plugin support.
7534         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
7535         * Makefile.in (PLUGIN_H): Define.
7536         Export ENABLE_PLUGIN and GMPINC to site.exp.
7537         Add PLUGINLIBS to link command.
7538         Add/modify dependencies for plugin.o and files including plugin.h.
7539         (plugin.o): New.
7540         * config.in: Regenerate.
7541
7542         * opts.c (common_handle_option): Handle OPT_fplugin_ and
7543         OPT_fplugin_arg_.
7544
7545 2009-04-14  Le-Chun Wu  <lcwu@google.com>
7546
7547         * tree-pass.h (register_one_dump_file): Add a prototype for
7548         register_one_dump_file.
7549         * toplev.c (compile_file): Call initialize_plugins.
7550         (do_compile): Call invoke_plugin_callbacks.
7551         (toplev_main): Call invoke_plugin_callbacks.
7552         * common.opt: Add -fplugin= and -fplugin-arg-.
7553         * gcc-plugin.h: New public header file for plugins to include.
7554         * plugin.c: New source file.
7555         * plugin.h: New internal header file.
7556         * passes.c (register_one_dump_file): Make it external.
7557
7558         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
7559
7560 2009-04-14  Diego Novillo  <dnovillo@google.com>
7561
7562         * doc/plugins.texi: New.
7563         * doc/gccint.texi: Add reference to Plugins chapter.
7564         * doc/invoke.texi: Document -fplugin and -fplugin-arg
7565         * diagnostic.c (diagnostic_report_diagnostic): Warn about
7566         loaded plugins, if any.
7567         * timevar.def (TV_PLUGIN_INIT): Define.
7568         (TV_PLUGIN_RUN): Define.
7569         * plugin.c: Include timevar.h
7570         (plugins_active_p): New.
7571         (dump_active_plugins): New.
7572         (debug_active_plugins): New.
7573
7574 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
7575
7576         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
7577         library paths.
7578         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
7579
7580 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
7581
7582         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
7583         the same as a minus without a shift.
7584
7585 2009-04-14  Nick Clifton  <nickc@redhat.com>
7586
7587         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
7588         comparisons with small integers will always produce a short
7589         branch.
7590
7591 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
7592
7593         Merge:
7594         2008-12-19  Diego Novillo  <dnovillo@google.com>
7595
7596         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
7597
7598 2009-04-14  Richard Guenther  <rguenther@suse.de>
7599
7600         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
7601         verification.
7602         (verify_gimple_assign_binary): Likewise.  Handle shifts and
7603         rotates correctly.
7604         (verify_gimple_phi): Print the mismatched argument position.
7605         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
7606         Fix types.
7607         (vect_update_init_of_dr): Likewise.
7608         * matrix-reorg.c (transform_access_sites): Do what the
7609         comment suggests.
7610         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
7611
7612 2009-04-13  Michael Eager  <eager@eagercon.com>
7613
7614         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
7615         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
7616         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
7617         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
7618         remove duplicate config
7619
7620 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7621
7622         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
7623         file_name:line_number type locator of the call site.
7624
7625 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
7626
7627         * genautomata.c: Put blank after comma.
7628         (automaton_decls): New.
7629         (struct unit_usage): Add comments to member next.
7630         (store_alt_unit_usage): Keep the list ordered.
7631         (unit_present_on_list_p, equal_alternatives_p): New.
7632         (check_regexp_units_distribution): Check units distribution
7633         correctness correctly.
7634         (main): Don't write automata if error is found.  Return correct
7635         exit code.
7636
7637         * config/m68k/cf.md (cfv4_ds): Remove.
7638         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
7639         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
7640
7641         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
7642         power4-load-ext, power4-store, power4-store-update,
7643         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
7644         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
7645         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
7646         power4-sqrt, power4-isync): Modify reservation to make correct
7647         unit distribution to automata.
7648
7649         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
7650         power5-store-update, power5-two, power5-three, power5-lmul,
7651         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
7652
7653 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
7654
7655         * except.c (pass_set_nothrow_function_flags): Set name and add
7656         TODO_dump_func.
7657         (set_nothrow_function_flags): Mention in the dump file when
7658         changing a function to nothrow.
7659
7660 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
7661
7662         PR/39066
7663         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
7664         instead of unsigned long.
7665
7666 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7667
7668         * config/arm/arm.c (return_used_this_function): Remove.
7669         (arm_output_function_prologue): Remove use of
7670         return_used_this_function.
7671         (output_return_instruction): Replace use of
7672         return_used_this_function
7673         by cfun->machine->return_used_this_function.
7674         (arm_output_epilogue): Likewise.
7675         (arm_output_function_epilogue): Likewise.
7676         (thumb_unexpanded_epilogue): Likewise.
7677         * config/arm/arm.h (struct machine_function):
7678         New member return_used_this_function.
7679
7680 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
7681
7682         * doc/install.texi: Correct description of default directory for
7683         --with-gxx-include-dir.
7684
7685 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
7686
7687         * fold-const.c (build_range_check): Properly deal with enumeral and
7688         boolean base types.
7689
7690 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
7691
7692         * doc/invoke.texi (max_gcse_passes): Remove documentation.
7693         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
7694         * params.h (MAX_GCSE_PASSES): Remove.
7695         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
7696         in sequence.  Remove ability to run multiple passes.
7697         (bypass_jumps): Report run as third CPROP pass.
7698
7699 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
7700
7701         PR middle-end/39651
7702         * except.c (can_throw_external): Look at each insn in a SEQUENCE
7703         when deciding whether the whole SEQUENCE can throw.
7704
7705 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
7706
7707         PR target/39740
7708         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
7709         offseted label references.
7710
7711 2009-04-11  Jan Hubicka  <jh@suse.cz>
7712
7713         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
7714
7715 2009-04-11  Richard Guenther  <rguenther@suse.de>
7716
7717         PR middle-end/39732
7718         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
7719         return variables as TREE_ADDRESSABLE.
7720
7721 2009-04-11  Richard Guenther  <rguenther@suse.de>
7722
7723         PR tree-optimization/39713
7724         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
7725         reference trees have SSA_NAME operands.
7726
7727 2009-04-11  Richard Guenther  <rguenther@suse.de>
7728
7729         PR c/39712
7730         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
7731         address expressions.
7732
7733 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
7734
7735         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
7736         match changes in Cygwin 1.7
7737         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
7738         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
7739
7740 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
7741
7742         PR tree-optimization/39701
7743         * doc/invoke.texi (Optimization Options): Document change in
7744         meaning and initialization of -fdelete-null-pointer-checks.
7745
7746 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
7747
7748         PR middle-end/39701
7749         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
7750
7751         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
7752         here.
7753
7754         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
7755
7756 2009-04-10  Chao-ying Fu  <fu@mips.com>
7757
7758         * doc/tm.texi (Instruction Output): Document
7759         TARGET_ASM_FINAL_POSTSCAN_INSN.
7760         * target.h (final_postscan_insn): New field in asm_out.
7761         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
7762         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
7763         * final.c (final_scan_insn): Call
7764         targetm.asm_out.final_postscan_insn after outputting
7765         an asm macro and a normal instruction.
7766
7767         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
7768         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
7769         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
7770         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
7771         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
7772
7773 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
7774
7775         PR middle-end/39701
7776         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
7777         variables as non-NULL even with -fdelete-null-pointer-checks.
7778
7779 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
7780
7781         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
7782
7783 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7784
7785         PR target/39678
7786         * config/i386/i386.c (classify_argument): Handle SCmode with
7787         (bit_offset % 64) != 0.
7788
7789 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
7790
7791         * doc/invoke.texi (Optimize Options): Add cross-reference to
7792         -Q --help=optimizers examples.
7793
7794 2009-04-10  Ben Elliston  <bje@au.ibm.com>
7795
7796         PR target/36800
7797         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
7798         regalign for the reg == fpr and TDmode case.
7799
7800 2009-04-09  David Ayers  <ayers@fsfe.org>
7801
7802         PR objc/29200
7803         * objc/objc-act.c (warn_with_method): Remove helper function.
7804         (check_duplicates): Call warning and inform directly.
7805         (really_start_method): Likewise.
7806
7807 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
7808
7809         * expmed.c (expand_divmod): Always use a comparison for a division
7810         by a large unsigned integer.
7811
7812         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
7813         for things others than variables or functions as nonzero.
7814
7815 2009-04-09  Nick Clifton  <nickc@redhat.com>
7816
7817         * unwind-compat.c: Change copyright header to refer to version
7818         3 of the GNU General Public License with version 3.1 of the
7819         GCC Runtime Library Exception and to point readers at the
7820         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
7821         * config/alpha/crtfastmath.c: Likewise.
7822         * config/alpha/linux-unwind.h: Likewise.
7823         * config/alpha/qrnnd.asm: Likewise.
7824         * config/alpha/vms-crt0-64.c: Likewise.
7825         * config/alpha/vms-crt0.c: Likewise.
7826         * config/alpha/vms-dwarf2.asm: Likewise.
7827         * config/alpha/vms-dwarf2eh.asm: Likewise.
7828         * config/alpha/vms-psxcrt0-64.c: Likewise.
7829         * config/alpha/vms-psxcrt0.c: Likewise.
7830         * config/alpha/vms_tramp.asm: Likewise.
7831         * config/arc/initfini.c: Likewise.
7832         * config/arc/lib1funcs.asm: Likewise.
7833         * config/arm/bpabi-v6m.S: Likewise.
7834         * config/arm/bpabi.S: Likewise.
7835         * config/arm/bpabi.c: Likewise.
7836         * config/arm/crti.asm: Likewise.
7837         * config/arm/crtn.asm: Likewise.
7838         * config/arm/ieee754-df.S: Likewise.
7839         * config/arm/ieee754-sf.S: Likewise.
7840         * config/arm/lib1funcs.asm: Likewise.
7841         * config/arm/libunwind.S: Likewise.
7842         * config/arm/linux-atomic.c: Likewise.
7843         * config/arm/mmintrin.h: Likewise.
7844         * config/arm/pr-support.c: Likewise.
7845         * config/arm/unaligned-funcs.c: Likewise.
7846         * config/arm/unwind-arm.c: Likewise.
7847         * config/arm/unwind-arm.h: Likewise.
7848         * config/avr/libgcc.S: Likewise.
7849         * config/bfin/crti.s: Likewise.
7850         * config/bfin/crtlibid.s: Likewise.
7851         * config/bfin/crtn.s: Likewise.
7852         * config/bfin/lib1funcs.asm: Likewise.
7853         * config/bfin/linux-unwind.h: Likewise.
7854         * config/cris/arit.c: Likewise.
7855         * config/cris/cris_abi_symbol.c: Likewise.
7856         * config/darwin-64.c: Likewise.
7857         * config/darwin-crt2.c: Likewise.
7858         * config/darwin-crt3.c: Likewise.
7859         * config/darwin.h: Likewise.
7860         * config/dbxelf.h: Likewise.
7861         * config/dfp-bit.c: Likewise.
7862         * config/dfp-bit.h: Likewise.
7863         * config/elfos.h: Likewise.
7864         * config/fixed-bit.c: Likewise.
7865         * config/fixed-bit.h: Likewise.
7866         * config/fp-bit.c: Likewise.
7867         * config/fp-bit.h: Likewise.
7868         * config/fr30/crti.asm: Likewise.
7869         * config/fr30/crtn.asm: Likewise.
7870         * config/fr30/lib1funcs.asm: Likewise.
7871         * config/freebsd-spec.h: Likewise.
7872         * config/frv/cmovd.c: Likewise.
7873         * config/frv/cmovh.c: Likewise.
7874         * config/frv/cmovw.c: Likewise.
7875         * config/frv/frvbegin.c: Likewise.
7876         * config/frv/frvend.c: Likewise.
7877         * config/frv/lib1funcs.asm: Likewise.
7878         * config/glibc-stdint.h: Likewise.
7879         * config/h8300/clzhi2.c: Likewise.
7880         * config/h8300/crti.asm: Likewise.
7881         * config/h8300/crtn.asm: Likewise.
7882         * config/h8300/ctzhi2.c: Likewise.
7883         * config/h8300/fixunssfsi.c: Likewise.
7884         * config/h8300/lib1funcs.asm: Likewise.
7885         * config/h8300/parityhi2.c: Likewise.
7886         * config/h8300/popcounthi2.c: Likewise.
7887         * config/i386/ammintrin.h: Likewise.
7888         * config/i386/att.h: Likewise.
7889         * config/i386/avxintrin.h: Likewise.
7890         * config/i386/biarch64.h: Likewise.
7891         * config/i386/bmmintrin.h: Likewise.
7892         * config/i386/cpuid.h: Likewise.
7893         * config/i386/cross-stdarg.h: Likewise.
7894         * config/i386/crtfastmath.c: Likewise.
7895         * config/i386/crtprec.c: Likewise.
7896         * config/i386/cygming-crtbegin.c: Likewise.
7897         * config/i386/cygming-crtend.c: Likewise.
7898         * config/i386/cygwin.asm: Likewise.
7899         * config/i386/emmintrin.h: Likewise.
7900         * config/i386/gmm_malloc.h: Likewise.
7901         * config/i386/gthr-win32.c: Likewise.
7902         * config/i386/i386.h: Likewise.
7903         * config/i386/immintrin.h: Likewise.
7904         * config/i386/linux-unwind.h: Likewise.
7905         * config/i386/linux64.h: Likewise.
7906         * config/i386/mm3dnow.h: Likewise.
7907         * config/i386/mmintrin-common.h: Likewise.
7908         * config/i386/mmintrin.h: Likewise.
7909         * config/i386/nmmintrin.h: Likewise.
7910         * config/i386/pmm_malloc.h: Likewise.
7911         * config/i386/pmmintrin.h: Likewise.
7912         * config/i386/smmintrin.h: Likewise.
7913         * config/i386/sol2-c1.asm: Likewise.
7914         * config/i386/sol2-ci.asm: Likewise.
7915         * config/i386/sol2-cn.asm: Likewise.
7916         * config/i386/sol2-gc1.asm: Likewise.
7917         * config/i386/tmmintrin.h: Likewise.
7918         * config/i386/unix.h: Likewise.
7919         * config/i386/w32-unwind.h: Likewise.
7920         * config/i386/wmmintrin.h: Likewise.
7921         * config/i386/x86-64.h: Likewise.
7922         * config/i386/x86intrin.h: Likewise.
7923         * config/i386/xmmintrin.h: Likewise.
7924         * config/ia64/crtbegin.asm: Likewise.
7925         * config/ia64/crtend.asm: Likewise.
7926         * config/ia64/crtfastmath.c: Likewise.
7927         * config/ia64/crti.asm: Likewise.
7928         * config/ia64/crtn.asm: Likewise.
7929         * config/ia64/fde-glibc.c: Likewise.
7930         * config/ia64/lib1funcs.asm: Likewise.
7931         * config/ia64/linux-unwind.h: Likewise.
7932         * config/ia64/quadlib.c: Likewise.
7933         * config/ia64/unwind-ia64.c: Likewise.
7934         * config/linux.h: Likewise.
7935         * config/m32c/m32c-lib1.S: Likewise.
7936         * config/m32c/m32c-lib2-trapv.c: Likewise.
7937         * config/m32c/m32c-lib2.c: Likewise.
7938         * config/m32r/initfini.c: Likewise.
7939         * config/m68hc11/larith.asm: Likewise.
7940         * config/m68hc11/m68hc11-crt0.S: Likewise.
7941         * config/m68k/cf.md: Likewise.
7942         * config/m68k/crti.s: Likewise.
7943         * config/m68k/crtn.s: Likewise.
7944         * config/m68k/lb1sf68.asm: Likewise.
7945         * config/m68k/linux-unwind.h: Likewise.
7946         * config/mcore/crti.asm: Likewise.
7947         * config/mcore/crtn.asm: Likewise.
7948         * config/mcore/lib1.asm: Likewise.
7949         * config/mips/linux-unwind.h: Likewise.
7950         * config/mips/loongson.h: Likewise.
7951         * config/mips/mips16.S: Likewise.
7952         * config/mmix/crti.asm: Likewise.
7953         * config/mmix/crtn.asm: Likewise.
7954         * config/pa/fptr.c: Likewise.
7955         * config/pa/hpux-unwind.h: Likewise.
7956         * config/pa/lib2funcs.asm: Likewise.
7957         * config/pa/linux-atomic.c: Likewise.
7958         * config/pa/linux-unwind.h: Likewise.
7959         * config/pa/milli64.S: Likewise.
7960         * config/pa/quadlib.c: Likewise.
7961         * config/pa/stublib.c: Likewise.
7962         * config/picochip/libgccExtras/adddi3.asm: Likewise.
7963         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
7964         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
7965         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
7966         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
7967         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
7968         * config/picochip/libgccExtras/divmod15.asm: Likewise.
7969         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
7970         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
7971         * config/picochip/libgccExtras/longjmp.asm: Likewise.
7972         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
7973         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
7974         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
7975         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
7976         * config/picochip/libgccExtras/setjmp.asm: Likewise.
7977         * config/picochip/libgccExtras/subdi3.asm: Likewise.
7978         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
7979         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
7980         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
7981         * config/rs6000/750cl.h: Likewise.
7982         * config/rs6000/altivec.h: Likewise.
7983         * config/rs6000/biarch64.h: Likewise.
7984         * config/rs6000/crtresfpr.asm: Likewise.
7985         * config/rs6000/crtresgpr.asm: Likewise.
7986         * config/rs6000/crtresxfpr.asm: Likewise.
7987         * config/rs6000/crtresxgpr.asm: Likewise.
7988         * config/rs6000/crtsavfpr.asm: Likewise.
7989         * config/rs6000/crtsavgpr.asm: Likewise.
7990         * config/rs6000/darwin-asm.h: Likewise.
7991         * config/rs6000/darwin-fallback.c: Likewise.
7992         * config/rs6000/darwin-fpsave.asm: Likewise.
7993         * config/rs6000/darwin-ldouble.c: Likewise.
7994         * config/rs6000/darwin-tramp.asm: Likewise.
7995         * config/rs6000/darwin-unwind.h: Likewise.
7996         * config/rs6000/darwin-vecsave.asm: Likewise.
7997         * config/rs6000/darwin-world.asm: Likewise.
7998         * config/rs6000/e500crtres32gpr.asm: Likewise.
7999         * config/rs6000/e500crtres64gpr.asm: Likewise.
8000         * config/rs6000/e500crtres64gprctr.asm: Likewise.
8001         * config/rs6000/e500crtrest32gpr.asm: Likewise.
8002         * config/rs6000/e500crtrest64gpr.asm: Likewise.
8003         * config/rs6000/e500crtresx32gpr.asm: Likewise.
8004         * config/rs6000/e500crtresx64gpr.asm: Likewise.
8005         * config/rs6000/e500crtsav32gpr.asm: Likewise.
8006         * config/rs6000/e500crtsav64gpr.asm: Likewise.
8007         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
8008         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
8009         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
8010         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
8011         * config/rs6000/eabi-ci.asm: Likewise.
8012         * config/rs6000/eabi-cn.asm: Likewise.
8013         * config/rs6000/eabi.asm: Likewise.
8014         * config/rs6000/linux-unwind.h: Likewise.
8015         * config/rs6000/linux64.h: Likewise.
8016         * config/rs6000/paired.h: Likewise.
8017         * config/rs6000/paired.md: Likewise.
8018         * config/rs6000/ppc64-fp.c: Likewise.
8019         * config/rs6000/ppu_intrinsics.h: Likewise.
8020         * config/rs6000/rs6000.h: Likewise.
8021         * config/rs6000/si2vmx.h: Likewise.
8022         * config/rs6000/sol-ci.asm: Likewise.
8023         * config/rs6000/sol-cn.asm: Likewise.
8024         * config/rs6000/spe.h: Likewise.
8025         * config/rs6000/spu2vmx.h: Likewise.
8026         * config/rs6000/sysv4.h: Likewise.
8027         * config/rs6000/tramp.asm: Likewise.
8028         * config/rs6000/vec_types.h: Likewise.
8029         * config/s390/linux-unwind.h: Likewise.
8030         * config/s390/tpf-unwind.h: Likewise.
8031         * config/score/crti.asm: Likewise.
8032         * config/score/crtn.asm: Likewise.
8033         * config/sh/crt1.asm: Likewise.
8034         * config/sh/crti.asm: Likewise.
8035         * config/sh/crtn.asm: Likewise.
8036         * config/sh/divtab-sh4-300.c: Likewise.
8037         * config/sh/divtab-sh4.c: Likewise.
8038         * config/sh/divtab.c: Likewise.
8039         * config/sh/lib1funcs-4-300.asm: Likewise.
8040         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
8041         * config/sh/lib1funcs.asm: Likewise.
8042         * config/sh/lib1funcs.h: Likewise.
8043         * config/sh/linux-atomic.asm: Likewise.
8044         * config/sh/linux-unwind.h: Likewise.
8045         * config/sh/shmedia.h: Likewise.
8046         * config/sh/sshmedia.h: Likewise.
8047         * config/sh/ushmedia.h: Likewise.
8048         * config/sparc/crtfastmath.c: Likewise.
8049         * config/sparc/linux-unwind.h: Likewise.
8050         * config/sparc/sol2-c1.asm: Likewise.
8051         * config/sparc/sol2-ci.asm: Likewise.
8052         * config/sparc/sol2-cn.asm: Likewise.
8053         * config/spu/divmodti4.c: Likewise.
8054         * config/spu/divv2df3.c: Likewise.
8055         * config/spu/float_disf.c: Likewise.
8056         * config/spu/float_unsdidf.c: Likewise.
8057         * config/spu/float_unsdisf.c: Likewise.
8058         * config/spu/float_unssidf.c: Likewise.
8059         * config/spu/mfc_multi_tag_release.c: Likewise.
8060         * config/spu/mfc_multi_tag_reserve.c: Likewise.
8061         * config/spu/mfc_tag_release.c: Likewise.
8062         * config/spu/mfc_tag_reserve.c: Likewise.
8063         * config/spu/mfc_tag_table.c: Likewise.
8064         * config/spu/multi3.c: Likewise.
8065         * config/spu/spu_internals.h: Likewise.
8066         * config/spu/spu_intrinsics.h: Likewise.
8067         * config/spu/spu_mfcio.h: Likewise.
8068         * config/spu/vec_types.h: Likewise.
8069         * config/spu/vmx2spu.h: Likewise.
8070         * config/stormy16/stormy16-lib2.c: Likewise.
8071         * config/svr4.h: Likewise.
8072         * config/sync.c: Likewise.
8073         * config/v850/lib1funcs.asm: Likewise.
8074         * config/vxlib-tls.c: Likewise.
8075         * config/vxlib.c: Likewise.
8076         * config/vxworks-dummy.h: Likewise.
8077         * config/xtensa/crti.asm: Likewise.
8078         * config/xtensa/crtn.asm: Likewise.
8079         * config/xtensa/ieee754-df.S: Likewise.
8080         * config/xtensa/ieee754-sf.S: Likewise.
8081         * config/xtensa/lib1funcs.asm: Likewise.
8082         * config/xtensa/lib2funcs.S: Likewise.
8083         * config/xtensa/linux-unwind.h: Likewise.
8084         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
8085         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
8086         * coretypes.h: Likewise.
8087         * crtstuff.c: Likewise.
8088         * defaults.h: Likewise.
8089         * dwarf2.h: Likewise.
8090         * emutls.c: Likewise.
8091         * gbl-ctors.h: Likewise.
8092         * gcov-io.h: Likewise.
8093         * ginclude/float.h: Likewise.
8094         * ginclude/iso646.h: Likewise.
8095         * ginclude/stdarg.h: Likewise.
8096         * ginclude/stdbool.h: Likewise.
8097         * ginclude/stddef.h: Likewise.
8098         * ginclude/stdfix.h: Likewise.
8099         * ginclude/stdint-gcc.h: Likewise.
8100         * ginclude/tgmath.h: Likewise.
8101         * gthr-aix.h: Likewise.
8102         * gthr-dce.h: Likewise.
8103         * gthr-gnat.c: Likewise.
8104         * gthr-gnat.h: Likewise.
8105         * gthr-lynx.h: Likewise.
8106         * gthr-mipssde.h: Likewise.
8107         * gthr-nks.h: Likewise.
8108         * gthr-posix.c: Likewise.
8109         * gthr-posix.h: Likewise.
8110         * gthr-posix95.h: Likewise.
8111         * gthr-rtems.h: Likewise.
8112         * gthr-single.h: Likewise.
8113         * gthr-solaris.h: Likewise.
8114         * gthr-tpf.h: Likewise.
8115         * gthr-vxworks.h: Likewise.
8116         * gthr-win32.h: Likewise.
8117         * gthr.h: Likewise.
8118         * libgcc2.c: Likewise.
8119         * libgcc2.h: Likewise.
8120         * libgcov.c: Likewise.
8121         * tsystem.h: Likewise.
8122         * typeclass.h: Likewise.
8123         * unwind-c.c: Likewise.
8124         * unwind-compat.h: Likewise.
8125         * unwind-dw2-fde-compat.c: Likewise.
8126         * unwind-dw2-fde-darwin.c: Likewise.
8127         * unwind-dw2-fde-glibc.c: Likewise.
8128         * unwind-dw2-fde.c: Likewise.
8129         * unwind-dw2-fde.h: Likewise.
8130         * unwind-dw2.c: Likewise.
8131         * unwind-dw2.h: Likewise.
8132         * unwind-generic.h: Likewise.
8133         * unwind-pe.h: Likewise.
8134         * unwind-sjlj.c: Likewise.
8135         * unwind.inc: Likewise.
8136         * config/arm/neon-gen.ml: Change generated copyright header to
8137         refer to version 3 of the GNU General Public License with
8138         version 3.1 of the GCC Runtime Library Exception and to point
8139         readers at the COPYING3 and COPYING3.RUNTIME files and the
8140         FSF's license web page.
8141         * config/arm/arm_neon.h: Regenerate.
8142
8143 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
8144
8145         * config/cris/cris.md: Change copyright header to refer to version
8146         3 of the GNU General Public License.
8147         * doc/install.texi2html: Change copyright header to refer to version
8148         3 of the GNU General Public License and to point readers at the
8149         COPYING3 file and the FSF's license web page.
8150         * config/vax/linux.h: Likewise.
8151
8152 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
8153
8154         * config/i386/i386.md (cmpcc): New.
8155         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
8156         (sync_compare_and_swap_cc*): Delete.
8157
8158         * config/s390/s390.c (s390_compare_emitted): Remove.
8159         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
8160         s390_compare_emitted used to be handled.  Assert that modes match.
8161         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
8162         refer to sync_compare_and_swap_ccsi.
8163         * config/s390/s390.h (s390_compare_emitted): Remove.
8164         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
8165         instead of s390_compare_emitted.
8166         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
8167         instead of s390_compare_emitted.
8168         * config/s390/s390.md (cmpcc): New.
8169         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
8170         CC_REGNUM, do not pretend it's set.
8171         (sync_compare_and_swap_cc*): Delete.
8172         * config/s390/predicates.md (cc_reg_operand): New.
8173
8174         * expr.c (sync_compare_and_swap_cc): Delete.
8175         * optabs.h (sync_compare_and_swap_cc): Delete.
8176         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
8177         is being used with can_compare_p.
8178         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
8179         (find_cc_set): New.
8180         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
8181         look for a MODE_CC set instead.  Use emit_store_flag.
8182         (expand_compare_and_swap_loop): Likewise, with some additional
8183         complication to avoid a force_reg when useless.  Use
8184         emit_cmp_and_jump_insns.
8185         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
8186         * doc/md.texi (sync_compare_and_swap_cc): Merge with
8187         sync_compare_and_swap documentation.
8188
8189 2009-04-09  Jan Hubicka  <jh@suse.cz>
8190
8191         * except.c (find_prev_try): Break out from ....
8192         (duplicate_eh_regions): ... here; properly update prev_try pointers
8193         when duplication part of tree.
8194         (dump_eh_tree): Improve dumping.
8195         (verify_eh_region): New.
8196         (verify_eh_tree): Use it.
8197
8198 2009-04-06  Richard Guenther  <rguenther@suse.de>
8199
8200         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
8201         &ARRAY addresses by adjusting their types and prepending
8202         a conversion.
8203         * tree-cfg.c (verify_gimple_assign_single): Verify that
8204         addresses are correct.
8205
8206 2009-04-09  Richard Guenther  <rguenther@suse.de>
8207
8208         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
8209         indices into an array reference if possible.
8210         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8211         Fold POINTER_PLUS_EXPR statements with invariant address.
8212
8213 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
8214
8215         PR target/39634
8216         * config.gcc (powerpc64-*-linux*): Always build biarch.
8217
8218 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
8219
8220         PR c/39613
8221         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
8222         it and pedwarn if this results in an INTEGER_CST.
8223
8224 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8225
8226         * doc/install.texi: Update minimum GMP version.  Remove obsolete
8227         text in MPFR section.
8228
8229 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
8230
8231         * dwarf2out.c (class_scope_p): New static inline.
8232         (class_or_namespace_scope_p): Use it.
8233         (gen_variable_die): Use DW_TAG_member tag for static data member
8234         declarations instead of DW_TAG_variable.
8235
8236         PR middle-end/39573
8237         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
8238         variables.
8239
8240 2009-04-08  Richard Guenther  <rguenther@suse.de>
8241
8242         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
8243         valueize random data.
8244
8245 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
8246
8247         * config.gcc (aix tm_file):  Add aix-stdint.h.
8248         (aix tm clause use_gcc_stdint):  Set to wrap.
8249         * config/rs6000/aix-stdint.h:  New file.
8250
8251 2009-04-08  Richard Guenther  <rguenther@suse.de>
8252
8253         PR middle-end/36291
8254         * tree-dfa.c (add_referenced_var): Do not recurse into
8255         global initializers.
8256         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
8257         exposed variables.
8258         (fold_const_aggregate_ref): Likewise.
8259
8260 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
8261
8262         * recog.c (ordered_comparison_operator): New.
8263         * gensupport.c (std_preds): Add it.
8264         * doc/md.texi (Machine-Independent Predicates): Document it.
8265
8266 2009-04-08  Jan Hubicka  <jh@suse.cz>
8267
8268         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
8269         * function.h (rtl_eh): Remove exception_handler_label_map.
8270         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
8271         remove_exception_handler_label, for_each_eh_label_1): Remove.
8272         (rtl_remove_unreachable_regions): Remove.
8273         (convert_from_eh_region_ranges): Do not remove unreachable regions.
8274         (find_exception_handler_labels): Don't build the hashtable.
8275         (maybe_remove_eh_handler): Remove.
8276         (for_each_eh_label): Rewrite to walk the tree.
8277         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
8278         * except.h (maybe_remove_eh_handler): Remove.
8279         * passes.c (init_optimization_passes): Schedule second EH cleanup
8280         before out-of-ssa.
8281         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
8282         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
8283
8284 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
8285
8286         * genoutput.c (validate_optab_operands): New.
8287         (gen_insn, gen_expand): Call it.
8288
8289         * genflags.c (gen_insn): Detect misused iterators.
8290         (main): Pass line_no to gen_insn, exit with status 1 on error.
8291
8292         * genextract.c (line_no): Make global.
8293         (VEC_safe_set_locstr): Change assertion to error message.
8294         (main): Exit with status 1 on error.
8295
8296 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
8297
8298         PR c/39614
8299         PR c/39673
8300         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8301         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8302         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
8303         * c-convert.c (convert): Do not call fold on results of conversion
8304         functions when the result is a C_MAYBE_CONST_EXPR.
8305         * c-parser.c (c_parser_postfix_expression): Do not fold condition
8306         of __builtin_choose_expr.
8307         * c-typeck.c (remove_c_maybe_const_expr): New.
8308         (build_unary_op, build_conditional_expr, build_compound_expr,
8309         build_binary_op, c_objc_common_truthvalue_conversion): Call
8310         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
8311         integer operands.
8312
8313 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
8314
8315         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
8316         CODE to produce a new one. Add a prototype to use fold_convert_const
8317
8318 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
8319
8320         PR bootstrap/39660
8321         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
8322         mix declarations and code.
8323
8324 2009-04-08  Ben Elliston  <bje@au.ibm.com>
8325
8326         * gcc.c: Replace `CC' with `GCC' throughout.
8327
8328 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
8329
8330         * doc/invoke.texi: Document Atom support.
8331
8332 2009-04-07  Jason Merrill  <jason@redhat.com>
8333
8334         PR c++/25185
8335         * c-common.h, c-common.c: Add flag_pretty_templates.
8336         * c-opts.c (c_common_handle_option): Set it.
8337         * c.opt: Add -fno-pretty-templates.
8338         * doc/invoke.texi (C++ Dialect Options): Likewise.
8339
8340 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
8341
8342         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
8343         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
8344         (ia64_expand_builtin): Likewise.
8345
8346 2009-04-07  Martin Jambor  <mjambor@suse.cz>
8347
8348         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
8349         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
8350         ADDR_EXPRS are include too.
8351
8352 2009-04-07  Richard Guenther  <rguenther@suse.de>
8353
8354         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
8355         decls are only used if passes as parameters or if they are
8356         local statics and the call is not to a builtin.
8357         (call_may_clobber_ref_p_1): Likewise.
8358
8359 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8360
8361         * expr.c (do_store_flag): Remove last argument.  Simplify code
8362         to avoid duplication of tests already done by can_compare_p.
8363         (expand_expr_real_1): Adjust caller.
8364
8365 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8366
8367         * optabs.c (can_compare_p): Test the predicate of a
8368         cbranch and cstore pattern.
8369
8370 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8371
8372         * expr.c (convert_move): Use emit_store_flag instead of
8373         "emulating" it.
8374
8375 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8376
8377         * config/i386/i386.c (ix86_compare_emitted): Remove.
8378         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
8379         ix86_compare_op0 like ix86_compare_emitted used to be handled.
8380         * config/i386/i386.h (ix86_compare_emitted): Remove.
8381         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
8382         instead of ix86_compare_emitted.
8383         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
8384
8385 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
8386
8387         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
8388         Add t-sysroot-suffix to tmake_file.
8389         * config/print-sysroot-suffix.sh: New file.
8390         * config/t-sysroot-suffix: New file.
8391
8392 2009-04-07  Ben Elliston  <bje@au.ibm.com>
8393
8394         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
8395         as the latter produces a warning when the target does not support
8396         infinity.
8397
8398 2009-04-07  Ben Elliston  <bje@au.ibm.com>
8399
8400         * dfp.c: Replace type punning assignments with memcpy throughout.
8401         * Makefile.in (dfp.o-warn): Remove.
8402
8403 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
8404
8405         PR target/39634
8406         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
8407         Include soft-fp/t-softfp after rs6000/t-linux64.
8408
8409 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
8410
8411         * stor-layout.c (set_sizetype): Use the full precision of their
8412         machine mode for bitsize types.
8413
8414 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
8415
8416         * config/i386/i386.md: Revert 2 accidental checkins.
8417
8418 2009-04-06  Joey Ye  <joey.ye@intel.com>
8419             Xuepeng Guo  <xuepeng.guo@intel.com>
8420             H.J. Lu  <hongjiu.lu@intel.com>
8421
8422         Atom pipeline model, tuning and insn selection.
8423         * config.gcc (atom): Add atom config options and target.
8424
8425         * config/i386/atom.md: New.
8426
8427         * config/i386/i386.c (atom_cost): New cost.
8428         (m_ATOM): New macro flag.
8429         (initial_ix86_tune_features): Set m_ATOM.
8430         (x86_accumulate_outgoing_args): Likewise.
8431         (x86_arch_always_fancy_math_387): Likewise.
8432         (processor_target): Add Atom cost.
8433         (cpu_names): Add Atom cpu name.
8434         (override_options): Set Atom ISA.
8435         (ix86_issue_rate): New case PROCESSOR_ATOM.
8436         (ix86_adjust_cost): Likewise.
8437
8438         * config/i386/i386.h (TARGET_ATOM): New target macro.
8439         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
8440         (TARGET_OPT_AGU): New target option.
8441         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
8442         (processor_type): Add PROCESSOR_ATOM.
8443
8444         * config/i386/i386.md (cpu): Add new value "atom".
8445         (use_carry, movu): New attr.
8446         (atom.md): Include atom.md.
8447         (adddi3_carry_rex64): Set attr "use_carry".
8448         (addqi3_carry): Likewise.
8449         (addhi3_carry): Likewise.
8450         (addsi3_carry): Likewise.
8451         (*addsi3_carry_zext): Likewise.
8452         (subdi3_carry_rex64): Likewise.
8453         (subqi3_carry): Likewise.
8454         (subhi3_carry): Likewise.
8455         (subsi3_carry): Likewise.
8456         (x86_movdicc_0_m1_rex64): Likewise.
8457         (*x86_movdicc_0_m1_se): Likewise.
8458         (x86_movsicc_0_m1): Likewise.
8459         (*x86_movsicc_0_m1_se): Likewise.
8460         (*adddi_1_rex64): Emit add insn as much as possible.
8461         (*addsi_1): Likewise.
8462         (return_internal): Set atom_unit.
8463         (return_internal_long): Likewise.
8464         (return_pop_internal): Likewise.
8465         (*rcpsf2_sse): Set atom_sse_attr attr.
8466         (*qrt<mode>2_sse): Likewise.
8467         (*prefetch_sse): Likewise.
8468
8469         * config/i386/i386-c.c (ix86_target_macros_internal): New case
8470         PROCESSOR_ATOM.
8471         (ix86_target_macros_internal): Likewise.
8472
8473         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
8474         (*prefetch_sse_rex): Likewise.
8475         (sse_rcpv4sf2): Likewise.
8476         (sse_vmrcpv4sf2): Likewise.
8477         (sse_sqrtv4sf2): Likewise.
8478         (<sse>_vmsqrt<mode>2): Likewise.
8479         (sse_ldmxcsr): Likewise.
8480         (sse_stmxcsr): Likewise.
8481         (*sse_sfence): Likewise.
8482         (sse2_clflush): Likewise.
8483         (*sse2_mfence): Likewise.
8484         (*sse2_lfence): Likewise.
8485         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
8486         (<sse>_movup<ssemodesuffixf2c>): Likewise.
8487         (avx_movdqu<avxmodesuffix>): Likewise.
8488         (avx_lddqu<avxmodesuffix>): Likewise.
8489         (sse2_movntv2di): Change attr "type" to "ssemov".
8490         (sse2_movntsi): Likewise.
8491         (rsqrtv8sf2): Change attr "type" to "sseadd".
8492         (sse3_addsubv2df3): Set attr "atom_unit".
8493         (sse3_h<plusminus_insn>v4sf3): Likewise.
8494         (*sse2_pmaddwd): Likewise.
8495         (*vec_extractv2di_1_rex64): Likewise.
8496         (*vec_extractv2di_1_avx): Likewise.
8497         (sse2_psadbw): Likewise.
8498         (ssse3_phaddwv8hi3): Likewise.
8499         (ssse3_phaddwv4hi3): Likewise.
8500         (ssse3_phadddv4si3): Likewise.
8501         (ssse3_phadddv2si3): Likewise.
8502         (ssse3_phaddswv8hi3): Likewise.
8503         (ssse3_phaddswv4hi3): Likewise.
8504         (ssse3_phsubwv8hi3): Likewise.
8505         (ssse3_phsubwv4hi3): Likewise.
8506         (ssse3_phsubdv4si3): Likewise.
8507         (ssse3_phsubdv2si3): Likewise.
8508         (ssse3_phsubswv8hi3): Likewise.
8509         (ssse3_phsubswv4hi3): Likewise.
8510         (ssse3_pmaddubsw128): Likewise.
8511         (sse3_pmaddubsw: Likewise.
8512         (ssse3_palignrti): Likewise.
8513         (ssse3_palignrdi): Likewise.
8514
8515 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
8516
8517         * doc/install.texi (Specific): Fix two cross-references to MinGW.
8518
8519 2009-04-06  Richard Guenther  <rguenther@suse.de>
8520
8521         PR tree-optimization/28868
8522         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
8523         of which PHI results we inserted.
8524         (insert_into_preds_of_block): Record inserted PHIs.
8525         (eliminate): Eliminate redundant PHI nodes.
8526         (init_pre): Init inserted_phi_names.
8527
8528 2009-04-06  Richard Guenther  <rguenther@suse.de>
8529
8530         PR tree-optimization/39643
8531         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
8532         IMAGPART_EXPRs of complex constants.
8533         (execute_fold_all_builtins): If we folded a call queue
8534         TODO_update_address_taken.
8535
8536 2009-04-06  Jan Hubicka  <jh@suse.cz>
8537
8538         PR middle-end/39659
8539         * except.c (remove_unreachable_regions): Propagate may_contain_throw
8540         flag.
8541
8542 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
8543
8544         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
8545         delay slot.
8546         (ic_invalidate_array): Likewise.
8547
8548 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
8549
8550         * calls.c (emit_library_call_value_1): Fix a problem with parameter
8551         alignment for library calls.
8552
8553 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
8554
8555         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
8556         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
8557         * config/i386/mingw-stdint.h:  New file.
8558
8559 2009-04-05  Richard Guenther  <rguenther@suse.de>
8560
8561         PR tree-optimization/39648
8562         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
8563         our &A vs. &A[0] IL deficiencies.
8564
8565 2009-04-04  Jan Hubicka  <jh@suse.cz>
8566
8567         * except.c (sjlj_find_directly_reachable_regions): Be ready for
8568         removed toplevel regions.
8569         (sjlj_mark_call_sites): Likewise.
8570
8571 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
8572
8573         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
8574         (cygwin tm clause use_gcc_stdint):  Set to wrap.
8575         * config/i386/cygwin-stdint.h:  New file.
8576
8577 2009-04-04  Richard Guenther  <rguenther@suse.de>
8578
8579         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
8580         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
8581         single-argument PHIs if we are in loop-closed SSA form.
8582         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
8583         for the pre-condition.
8584         (slpeel_tree_peel_loop_to_edge): Likewise.
8585         (vect_build_loop_niters): Take an optional sequence to append stmts.
8586         (vect_generate_tmps_on_preheader): Likewise.
8587         (vect_do_peeling_for_loop_bound): Take extra guards for the
8588         pre-condition.
8589         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
8590         the cost model check.
8591         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
8592         guards if we are going to peel.  Do not apply versioning in that case.
8593         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
8594         (vect_do_peeling_for_loop_bound): Likewise.
8595         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
8596         loop bound only record extra pre-conditions, do not apply loop
8597         versioning.
8598
8599 2009-04-04  Richard Guenther  <rguenther@suse.de>
8600
8601         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
8602         renaming code.
8603
8604 2009-04-04  Jan Hubicka  <jh@suse.cz>
8605
8606         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8607         last_basic_block for size of bb->index indexed array.
8608         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
8609         compute_out, link_btr_uses, build_btr_def_use_webs,
8610         build_btr_def_use_webs, migrate_btr_defs): Likewise.
8611
8612 2009-04-04  Jan Hubicka  <jh@suse.cz>
8613
8614         * except.c (remove_eh_handler_and_replace): Break out from ...
8615         (remove_eh_handler): ... here.
8616         (bring_to_root): New function.
8617         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
8618         handled ones, bring others to root of tree.
8619
8620 2009-04-04  Jan Hubicka  <jh@suse.cz>
8621
8622         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
8623         (all_phis_safe_to_merge): New function.
8624         (update_info): New structure.
8625         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
8626         (cleanup_empty_eh): Update SSA if possible.
8627
8628 2009-04-04  Richard Guenther  <rguenther@suse.de>
8629
8630         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
8631         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
8632         (append_vuse): Likewise.
8633
8634 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
8635
8636         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
8637         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
8638         instead of REG_UNSAVED for DW_CFA_undefined.
8639         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
8640         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
8641         outermost frame.
8642
8643 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
8644
8645         PR target/39501
8646         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
8647         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
8648         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
8649
8650 2009-04-04  Richard Guenther  <rguenther@suse.de>
8651
8652         PR tree-optimization/8781
8653         PR tree-optimization/37892
8654         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
8655         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
8656         (valueize_refs): Call it for *& valueizations.
8657         (shared_reference_ops_from_ref): Rename to ...
8658         (valueize_shared_reference_ops_from_ref): ... this and valueize.
8659         (shared_reference_ops_from_call): Rename to ...
8660         (valueize_shared_reference_ops_from_call): ... this and valueize.
8661         (vn_reference_lookup): Update.
8662         (visit_reference_op_call): Likewise.
8663         * tree-ssa-pre.c (phi_translate_1): Fold *&.
8664         (eliminate): Value-replace the call address in call statements.
8665
8666 2009-04-04  Richard Guenther  <rguenther@suse.de>
8667
8668         PR tree-optimization/39636
8669         * tree-ssa-forwprop.c
8670         (forward_propagate_addr_into_variable_array_index): Check for
8671         GIMPLE_ASSIGN before accessing the rhs code.
8672
8673 2009-04-03  Jason Merrill  <jason@redhat.com>
8674
8675         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
8676
8677 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
8678
8679         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
8680         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
8681         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
8682         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
8683         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
8684         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
8685         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
8686         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
8687         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
8688         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
8689         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
8690         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
8691         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
8692         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
8693         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
8694         Use fr_reg_or_fp01_operand instead of fr_register_operand
8695
8696         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
8697         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
8698         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
8699
8700 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
8701
8702         PR rtl-optimization/39607
8703         PR rtl-optimization/39631
8704
8705         Revert:
8706
8707         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8708         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8709         instead of DF_LR_OUT.
8710         * ira-lives.c (process_bb_node_lives): Ditto.
8711         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8712         instead of DF_LR_{OUT,IN}.
8713         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8714         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8715
8716 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
8717
8718         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
8719         (execute_lower_omp): Always run but take the short way out if -fopenmp
8720         is not given.
8721         (gate_lower_omp): Remove, forcing the pass manager to always run the
8722         pass and always set PROP_gimple_lomp.
8723         (pass_lower_omp): Remove gate function.
8724         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
8725         PROP_trees.  Instead, require it.
8726         * ipa-cp.c (pass_ipa_cp): Likewise.
8727         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
8728         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
8729         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
8730         and PROP_gimple_leh.
8731
8732 2009-04-03  Richard Guenther  <rguenther@suse.de>
8733
8734         PR middle-end/13146
8735         PR tree-optimization/23940
8736         PR tree-optimization/33237
8737         PR middle-end/33974
8738         PR middle-end/34093
8739         PR tree-optimization/36201
8740         PR tree-optimization/36230
8741         PR tree-optimization/38049
8742         PR tree-optimization/38207
8743         PR tree-optimization/38230
8744         PR tree-optimization/38301
8745         PR tree-optimization/38585
8746         PR middle-end/38895
8747         PR tree-optimization/38985
8748         PR tree-optimization/39299
8749         * tree-ssa-structalias.h: Remove.
8750         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
8751         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
8752         (struct vuse_element_d): Remove.
8753         (struct vuse_vec_d): Likewise.
8754         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
8755         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
8756         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
8757         VUSE_ELEMENT_VAR): Likewise.
8758         (struct voptype_d): Likewise.
8759         (NUM_VOP_FREE_BUCKETS): Likewise.
8760         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
8761         (struct stmt_operands_d): Remove.
8762         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
8763         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
8764         VDEF_NUM, VDEF_VECT): Likewise.
8765         (copy_virtual_operands): Remove.
8766         (operand_build_cmp): Likewise.
8767         (create_ssa_artificial_load_stmt): Likewise.
8768         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
8769         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
8770         vuse_index and mayuse_index members.  Pack and move done and iter_type
8771         members to the front.
8772         (SSA_OP_VMAYUSE): Remove.
8773         (SSA_OP_VIRTUAL_USES): Adjust.
8774         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
8775         (unlink_stmt_vdef): Declare.
8776         (add_to_addressable_set): Remove.
8777         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
8778         (vrp_visit_stmt): Likewise.
8779         * doc/tree-ssa.texi (Alias analysis): Update.
8780         * doc/invoke.texi (max-aliased-vops): Remove docs.
8781         (avg-aliased-vops): Likewise.
8782         * tree-into-ssa.c (syms_to_rename): Remove.
8783         (need_to_update_vops_p): Likewise.
8784         (need_to_initialize_update_ssa_p): Rename to ...
8785         (update_ssa_initialized_fn): ... this.  Track function we are
8786         initialized for.
8787         (symbol_marked_for_renaming): Simplify.
8788         (add_new_name_mapping): Do not set need_to_update_vops_p.
8789         (dump_currdefs): Use SYMS_TO_RENAME.
8790         (rewrite_update_stmt): Always walk all uses/defs.
8791         (dump_update_ssa): Adjust.
8792         (init_update_ssa): Take function argument.  Track what we are
8793         initialized for.
8794         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
8795         (create_new_def_for): Initialize for cfun, assert we are initialized
8796         for cfun.
8797         (mark_sym_for_renaming): Simplify.
8798         (mark_set_for_renaming): Do not initialize update-ssa.
8799         (need_ssa_update_p): Simplify.  Take function argument.
8800         (name_mappings_registered_p): Assert we ask for the correct function.
8801         (name_registered_for_update_p): Likewise.
8802         (ssa_names_to_replace): Likewise.
8803         (release_ssa_name_after_update_ssa): Likewise.
8804         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
8805         (dump_decl_set): Do not print a newline.
8806         (debug_decl_set): Do it here.
8807         (dump_update_ssa): And here.
8808         * tree-ssa-loop-im.c (move_computations): Adjust.
8809         (movement_possibility): Likewise.
8810         (determine_max_movement): Likewise.
8811         (gather_mem_refs_stmt): Likewise.
8812         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
8813         or NAME_MEMORY_TAG.
8814         * tree-complex.c (update_all_vops): Remove.
8815         (expand_complex_move): Adjust.
8816         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
8817         Simplify test for memory referencing statement.  Exclude
8818         non-invariant ADDR_EXPRs.
8819         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
8820         * tree-loop-distribution.c (generate_memset_zero): Adjust.
8821         (rdg_flag_uses): Likewise.
8822         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
8823         related code.
8824         (tree_optimize_tail_calls_1): Also split the
8825         edge from the entry block if we have degenerate PHI nodes in
8826         the first basic block.
8827         * tree.c (init_ttree): Remove memory-tag related code.
8828         (tree_code_size): Likewise.
8829         (tree_node_structure): Likewise.
8830         (build7_stat): Re-write to be build6_stat.
8831         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
8832         (SSA_VAR_P): Adjust.
8833         (struct tree_memory_tag): Remove.
8834         (struct tree_memory_partition_tag): Likewise.
8835         (union tree_node): Adjust.
8836         (build7): Re-write to be build6.
8837         * tree-pass.h (pass_reset_cc_flags): Remove.
8838         (TODO_update_address_taken): New flag.
8839         (pass_simple_dse): Remove.
8840         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
8841         * params.h (MAX_ALIASED_VOPS): Remove.
8842         (AVG_ALIASED_VOPS): Likewise.
8843         * omp-low.c (expand_omp_taskreg): Update SSA form.
8844         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
8845         aliases the lhs in a copy stmt.
8846         * tree-ssa-dse.c (struct address_walk_data): Remove.
8847         (memory_ssa_name_same): Likewise.
8848         (memory_address_same): Likewise.
8849         (get_kill_of_stmt_lhs): Likewise.
8850         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
8851         unused stores.  Look through PHI nodes into post-dominated regions.
8852         (dse_optimize_stmt): Simplify.  Properly remove stores.
8853         (tree_ssa_dse): Compute dominators.
8854         (execute_simple_dse): Remove.
8855         (pass_simple_dse): Likewise.
8856         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
8857         gimple_loaded_syms and gimple_stored_syms computation.
8858         * toplev.c (dump_memory_report): Dump alias and pta stats.
8859         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
8860         (vn_reference_eq): Likewise.
8861         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
8862         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
8863         valueize_vuses): Remove.
8864         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
8865         (get_def_ref_stmt_vuse): ... this.
8866         (vn_reference_lookup_2): New function.
8867         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
8868         walking equivalent vuses.  Simplify.
8869         (vn_reference_lookup): Likewise.
8870         (vn_reference_insert): Likewise.
8871         (vn_reference_insert_pieces): Likewise.
8872         (visit_reference_op_call): Simplify.
8873         (visit_reference_op_load): Likewise.
8874         (visit_reference_op_store): Likewise.
8875         (init_scc_vn): Remove shared_lookup_vuses initialization.
8876         (free_scc_vn): Remove shared_lookup_vuses freeing.
8877         (sort_vuses, sort_vuses_heap): Remove.
8878         (get_ref_from_reference_ops): Export.
8879         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
8880         vector with single vuse pointer.
8881         (vn_reference_lookup_pieces, vn_reference_lookup,
8882         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
8883         (shared_vuses_from_stmt): Remove.
8884         (get_ref_from_reference_ops): Declare.
8885         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
8886         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
8887         memory-tag related code.
8888         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
8889         (likely_value): Add comment, skip static-chain of call statements.
8890         (surely_varying_stmt_p): Adjust.
8891         (gimplify_and_update_call_from_tree): Likewise.
8892         (execute_fold_all_builtins): Do not rebuild alias info.
8893         (gimplify_and_update_call_from_tree): Properly update VOPs.
8894         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
8895         (copy_ref_info): Remove memory-tag related code.
8896         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
8897         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
8898         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
8899         computation.
8900         * tree-ssa-dom.c (gimple_p): Remove typedef.
8901         (eliminate_redundant_computations): Adjust.
8902         (record_equivalences_from_stmt): Likewise.
8903         (avail_expr_hash): Likewise.
8904         (avail_expr_eq): Likewise.
8905         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
8906         (stmt_makes_single_load): Likewise.
8907         (stmt_makes_single_store): Likewise.
8908         * tree-ssa-alias.c: Rewrite completely.
8909         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
8910         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
8911         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
8912         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
8913         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
8914         Remove public functions.
8915         (pass_reset_cc_flags): Remove.
8916         (pass_build_alias): Move ...
8917         * tree-ssa-structalias.c (pass_build_alias): ... here.
8918         * tree-ssa-alias.c (may_be_aliased): Move ...
8919         * tree-flow-inline.h (may_be_aliased): ... here.
8920         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
8921         count_uses_and_derefs): Move ...
8922         * gimple.c: ... here.
8923         * gimple.h (count_uses_and_derefs): Declare.
8924         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
8925         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
8926         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
8927         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
8928         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
8929         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
8930         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
8931         New functions.
8932         * tree-dfa.c (refs_may_alias_p): Move ...
8933         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
8934         * tree-ssa-alias.h: New file.
8935         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
8936         (statement_sink_location): Likewise.
8937         * opts.c (decode_options): Do not adjust max-aliased-vops or
8938         avg-aliased-vops values.
8939         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
8940         (TV_CALL_CLOBBER): Likewise.
8941         (TV_FLOW_SENSITIVE): Likewise.
8942         (TV_FLOW_INSENSITIVE): Likewise.
8943         (TV_MEMORY_PARTITIONING): Likewise.
8944         (TV_ALIAS_STMT_WALK): New timevar.
8945         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
8946         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
8947         (get_address_description): Remove memory-tag related code.
8948         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
8949         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
8950         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
8951         and immediate uses in statements.  Document.
8952         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
8953         (dump_symbols): Remove.
8954         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
8955         * alias.c (get_deref_alias_set): New function split out from ...
8956         (get_alias_set): ... here.
8957         * alias.h (get_deref_alias_set): Declare.
8958         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
8959         type parameter.  Remove restrict pointer handling.  Create a
8960         ref-all pointer in case type-based alias sets do not conflict.
8961         (vect_analyze_data_refs): Remove SMT related code.
8962         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
8963         (vectorizable_load): Likewise.
8964         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
8965         (DR_SYMBOL_TAG, DR_VOPS): Remove.
8966         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
8967         Ignore vops and SMTs.
8968         (dr_analyze_alias): Likewise..
8969         (free_data_ref): Likewise.
8970         (create_data_ref): Likewise.
8971         (analyze_all_data_dependences): Likewise.
8972         (get_references_in_stmt): Adjust.
8973         * tree-flow-inline.h (gimple_aliases_computed_p,
8974         gimple_addressable_vars, gimple_call_clobbered_vars,
8975         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
8976         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
8977         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
8978         gimple_mem_ref_stats): Remove.
8979         (gimple_vop): New function.
8980         (op_iter_next_use): Remove vuses and mayuses cases.
8981         (op_iter_next_def): Remove vdefs case.
8982         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
8983         (clear_and_done_ssa_iter): Do not set removed fields.
8984         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
8985         Assert we are not iterating over vuses or vdefs if not also
8986         iterating over uses or defs.
8987         (op_iter_init_use): Likewise.
8988         (op_iter_init_def): Likewise.
8989         (op_iter_next_vdef): Remove.
8990         (op_iter_next_mustdef): Likewise.
8991         (op_iter_init_vdef): Likewise.
8992         (compare_ssa_operands_equal): Likewise.
8993         (link_use_stmts_after): Handle vuse operand.
8994         (is_call_used): Use is_call_clobbered.
8995         (is_call_clobbered): Global variables are always call clobbered,
8996         query the call-clobbers bitmap.
8997         (mark_call_clobbered): Ignore global variables.
8998         (clear_call_clobbered): Likewise.
8999         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
9000         virtual operands sanity check.
9001         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
9002         Remove.
9003         (TARGET_MEM_REF): Remove TMR_TAG operand.
9004         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
9005         Remove call-clobber related code.
9006         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
9007         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
9008         partitions or escape reason.
9009         (get_single_def_stmt, get_single_def_stmt_from_phi,
9010         get_single_def_stmt_with_phi): Remove.
9011         (dump_referenced_vars): Tidy.
9012         (get_ref_base_and_extent): Allow bare decls.
9013         (collect_dfa_stats): Adjust.
9014         * graphite.c (rename_variables_in_stmt): Adjust.
9015         (graphite_copy_stmts_from_block): Likewise.
9016         (translate_clast): Likewise.
9017         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
9018         (EXPR_DIES): New.
9019         (translate_vuse_through_block): Use the oracle.
9020         (phi_translate_1): Adjust.
9021         (value_dies_in_block_x): Use the oracle.  Cache the outcome
9022         in EXPR_DIES.
9023         (valid_in_sets): Check if the VUSE for
9024         a REFERENCE is available.
9025         (eliminate): Do not remove stmts during elimination,
9026         instead queue and remove them afterwards.
9027         (do_pre): Do not rebuild alias info.
9028         (pass_pre): Run TODO_rebuild_alias before PRE.
9029         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
9030         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
9031         (mark_all_v_defs_stmt): Remove.
9032         (mark_all_v_defs_seq): Adjust.
9033         (sra_replace): Likewise.
9034         (scalarize_use): Likewise.
9035         (scalarize_copy): Likewise.
9036         (scalarize_init): Likewise.
9037         (scalarize_ldst): Likewise.
9038         (todoflags): Remove.
9039         (tree_sra): Do not rebuild alias info.
9040         (tree_sra_early): Adjust.
9041         (pass_sra): Run TODO_update_address_taken before SRA.
9042         * tree-predcom.c (set_alias_info): Remove.
9043         (prepare_initializers_chain): Do not call it.
9044         (mark_virtual_ops_for_renaming): Adjust.
9045         (mark_virtual_ops_for_renaming_list): Remove.
9046         (initialize_root_vars): Adjust.
9047         (initialize_root_vars_lm): Likewise.
9048         (prepare_initializers_chain): Likewise.
9049         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
9050         (may_propagate_copy_into_stmt): Likewise.
9051         (merge_alias_info): Do nothing for now.
9052         (propagate_tree_value_into_stmt): Adjust.
9053         (stmt_may_generate_copy): Likewise.
9054         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
9055         not mark symbols for renaming.
9056         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
9057         with the same statement, make sure to update the new pointed-to one.
9058         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
9059         call statements, do not mark symbols for renaming.
9060         (mark_operand_necessary): Dump something.
9061         (ref_may_be_aliased): New function.
9062         (mark_aliased_reaching_defs_necessary_1): New helper function.
9063         (mark_aliased_reaching_defs_necessary): Likewise.
9064         (mark_all_reaching_defs_necessary_1): Likewise.
9065         (mark_all_reaching_defs_necessary): Likewise.
9066         (propagate_necessity): Do not process virtual PHIs.  For
9067         non-aliased loads mark all reaching definitions as necessary.
9068         For aliased loads and stores mark the immediate dominating
9069         aliased clobbers as necessary.
9070         (visited): New global static.
9071         (perform_tree_ssa_dce): Free visited bitmap after propagating
9072         necessity.
9073         (remove_dead_phis): Perform simple dead virtual PHI removal.
9074         (remove_dead_stmt): Properly unlink virtual operands when
9075         removing stores.
9076         (eliminate_unnecessary_stmts): Schedule PHI removal after
9077         stmt removal.
9078         * tree-ssa-ter.c (is_replaceable_p): Adjust.
9079         (process_replaceable): Likewise.
9080         (find_replaceable_in_bb): Likewise.
9081         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
9082         based on the single gimple vop.
9083         (verify_flow_insensitive_alias_info): Remove.
9084         (verify_flow_sensitive_alias_info): Likewise.
9085         (verify_call_clobbering): Likewise.
9086         (verify_memory_partitions): Likewise.
9087         (verify_alias_info): Likewise.
9088         (verify_ssa): Adjust..
9089         (execute_update_addresses_taken): Export.  Update SSA
9090         manually.  Optimize only when optimizing.  Use a local bitmap.
9091         (pass_update_address_taken): Remove TODO_update_ssa, add
9092         TODO_dump_func.
9093         (pass_update_address_taken): Just use TODO_update_address_taken.
9094         (init_tree_ssa): Do not initialize addressable_vars.
9095         (verify_ssa): Verify new VUSE / VDEF properties.
9096         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
9097         Do not call verify_alias_info.
9098         (delete_tree_ssa): Clear the VUSE, VDEF operands.
9099         Do not free the loaded and stored syms bitmaps.  Reset the escaped
9100         and callused solutions.  Do not free addressable_vars.
9101         Remove memory-tag related code.
9102         (warn_uninitialized_var): Aliases are always available.
9103         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
9104         * lambda-code.c (can_put_in_inner_loop): Adjust.
9105         (can_put_after_inner_loop): Likewise.
9106         (perfect_nestify): Likewise.
9107         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
9108         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
9109         (vectorizable_conversion): Do not mark symbols for renaming.
9110         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
9111         (expand_call_inline): Unlink the calls virtual operands before
9112         replacing it.
9113         (tree_function_versioning): Do not call update_ssa if we are not
9114         updating clones.  Simplify.
9115         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
9116         (propagate_with_phi): Likewise..
9117         * tree-outof-ssa.c (create_temp): Remove memory tag and call
9118         clobber code.  Assert we are not aliased or global.
9119         * tree-flow.h: Include tree-ssa-alias.h
9120         (enum escape_type): Remove.
9121         (struct mem_sym_stats_d): Likewise.
9122         (struct mem_ref_stats_d): Likewise.
9123         (struct gimple_df): Add vop member.  Remove global_var,
9124         call_clobbered_vars, call_used_vars, addressable_vars,
9125         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
9126         escaped and callused members.
9127         (struct ptr_info_def): Remove all members, add points-to solution
9128         member pt.
9129         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
9130         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
9131         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
9132         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
9133         (tree-ssa-alias.o): Likewise.
9134         (toplev.o): Add tree-ssa-alias.h
9135         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
9136         * gimple.c (gimple_set_bb): Fix off-by-one error.
9137         (is_gimple_reg): Do not handle memory tags.
9138         (gimple_copy): Also copy virtual operands.
9139         Delay updating the statement.  Do not reset loaded and stored syms.
9140         (gimple_set_stored_syms): Remove.
9141         (gimple_set_loaded_syms): Likewise.
9142         (gimple_call_copy_skip_args): Copy the virtual operands
9143         and mark the new statement modified.
9144         * tree-ssa-structalias.c (may_alias_p): Remove.
9145         (set_uids_in_ptset): Take the alias set to prune with as
9146         parameter.  Fold in the alias test of may_alias_p.
9147         (compute_points_to_sets): Compute whether a ptr is dereferenced
9148         in a local sbitmap.
9149         (process_constraint): Deal with &ANYTHING on the lhs, reject all
9150         other ADDRESSOF constraints on the lhs.
9151         (get_constraint_for_component_ref): Assert that we don't get
9152         ADDRESSOF constraints from the base of the reference.
9153         Properly generate UNKNOWN_OFFSET for DEREF if needed.
9154         (struct variable_info): Remove collapsed_to member.
9155         (get_varinfo_fc): Remove.
9156         (new_var_info): Do not set collapsed_to.
9157         (dump_constraint): Do not follow cycles.
9158         (dump_constraint_graph): Likewise.
9159         (build_pred_graph): Likewise.
9160         (build_succ_graph): Likewise.
9161         (rewrite_constraints): Likewise.
9162         (do_simple_structure_copy): Remove.
9163         (do_rhs_deref_structure_copy): Remove.
9164         (do_lhs_deref_structure_copy): Remove.
9165         (collapse_rest_of_var): Remove.
9166         (do_structure_copy): Re-implement.
9167         (pta_stats): New global variable.
9168         (dump_pta_stats): New function.
9169         (struct constraint_expr): Make offset signed.
9170         (UNKNOWN_OFFSET): Define special value.
9171         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
9172         (solution_set_expand): New helper function split out from ...
9173         (do_sd_constraint): ... here.
9174         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
9175         (do_ds_constraint): Likewise.
9176         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
9177         and CALLUSED = *CALLUSED.
9178         (set_union_with_increment): Make inc argument signed.
9179         (type_safe): Remove.
9180         (get_constraint_for_ptr_offset): Handle unknown and negative
9181         constant offsets.
9182         (first_vi_for_offset): Handle offsets before start.  Bail
9183         out early for offsets beyond the variable extent.
9184         (first_or_preceding_vi_for_offset): New function.
9185         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
9186         Together with ESCAPED = *ESCAPED this properly computes reachability.
9187         (find_what_var_points_to): New function.
9188         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
9189         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
9190         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
9191         pt_solutions_intersect): New functions.
9192         (compute_call_used_vars): Remove.
9193         (compute_may_aliases): New main entry into PTA computation.
9194         * gimple.h (gimple_p): New typedef.
9195         (struct gimple_statement_base): Remove references_memory_p.
9196         (struct gimple_statement_with_memory_ops_base): Remove
9197         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
9198         members.
9199         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
9200         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
9201         gimple_set_references_memory): Remove.
9202         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
9203         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
9204         New functions.
9205         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
9206         (verify_expr): Allow RESULT_DECL.
9207         (gimple_duplicate_bb): Do not copy virtual operands.
9208         (gimple_duplicate_sese_region): Adjust.
9209         (gimple_duplicate_sese_tail): Likewise.
9210         (mark_virtual_ops_in_region): Remove.
9211         (move_sese_region_to_fn): Do not call it.
9212         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
9213         and pass_simple_dse.
9214         (execute_function_todo): Handle TODO_update_address_taken,
9215         call execute_update_addresses_taken for TODO_rebuild_alias.
9216         (execute_todo): Adjust.
9217         (execute_one_pass): Init dump files early.
9218         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
9219         call-clobbered.
9220         (create_general_new_stmt): Clear vops.
9221         * tree-ssa-reassoc.c (get_rank): Adjust.
9222         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
9223         symbols for renaming.
9224         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
9225         (PARAM_AVG_ALIASED_VOPS): Likewise.
9226         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
9227         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
9228         * tree-ssa-operands.c: Simplify for new virtual operand representation.
9229         (operand_build_cmp, copy_virtual_operands,
9230         create_ssa_artificial_load_stmt, add_to_addressable_set,
9231         gimple_add_to_addresses_taken): Remove public functions.
9232         (unlink_stmt_vdef): New function.
9233
9234 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
9235
9236         * config.gcc (powerpc-*-linux*): Merge variants.
9237
9238 2009-04-02  Chao-ying Fu  <fu@mips.com>
9239             James Grosbach  <james.grosbach@microchip.com>
9240
9241         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
9242         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
9243         cop0_sp_offset.
9244         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
9245         keep_interrupts_masked_p, use_debug_exception_return_p.
9246         (mips_attribute_table): Add interrupt, use_shadow_register_set,
9247         keep_interrupts_masked, use_debug_exception_return.
9248         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
9249         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
9250         New functions.
9251         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
9252         (mips_print_operand): Process COP0 registers to print $0 .. $31
9253         correctly for GAS to process.
9254         (mips_interrupt_extra_call_saved_reg_p): New function.
9255         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
9256         extra registers.
9257         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
9258         (mips_compute_frame_info): Add supports for interrupt context that
9259         includes doubleword accumulators and COP0 registers.
9260         (mips_for_each_saved_acc): New function.
9261         (mips_for_each_saved_gpr_and_fpr): Change the function name from
9262         mips_for_each_saved_reg.
9263         (mips_save_reg): Save accumulators.
9264         (mips_kernel_reg_p): A new for_each_rtx callback.
9265         (mips_expand_prologue): Support interrupt handlers.
9266         (mips_restore_reg): Restore accumulators.
9267         (mips_expand_epilogue): Support interrupt handlers.
9268         (mips_can_use_return_insn): Return false for interrupt handlers.
9269         (mips_epilogue_uses): New function.
9270         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
9271         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
9272         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
9273         cop0_move): New instructions.
9274         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
9275         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
9276         defines.
9277         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
9278         New defines.
9279         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
9280         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
9281         interrupt handlers, we use K0 as the temporary register.
9282         (EPILOGUE_USES): Change to a function call.
9283         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
9284         handlers, we use K0 as the temporary register.
9285
9286         * doc/extend.texi (Function Attributes): Document interrupt,
9287         use_shadow_register_set, keep_interrupts_masked,
9288         use_debug_exception_return for MIPS attributes.
9289
9290 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
9291
9292         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
9293         Remove a number of t-files from tmake_file.
9294         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
9295         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
9296         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
9297         target_prototype, not TARGET_PROTOTYPE.
9298         (LINK_OS_GNU_SPEC): Define.
9299         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
9300         and darwin-ldoubdle.c.
9301
9302 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
9303
9304         PR driver/39293
9305         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
9306         (cpp_options): Ditto.
9307         (default_compilers): Ditto.
9308         (display_help): Ditto.
9309         (process_command): Ditto.
9310         (do_spec_1): Ditto.
9311         (set_input): Use lbasename instead of duplicate code.
9312         (save_temps_prefix): New static for -save-temps=obj.
9313         (save_temps_length): Ditto.
9314
9315         * doc/invoke.texi (-save-temps=obj): Document new variant to
9316         -save-temps switch.
9317
9318 2009-04-02  Jeff Law  <law@redhat.com>
9319
9320         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
9321         variable.
9322
9323 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9324
9325         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
9326         * configure: Regenerated.
9327
9328 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9329
9330         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
9331         share the argument list.
9332
9333 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9334
9335         Merge
9336
9337         2009-02-12  Diego Novillo  <dnovillo@google.com>
9338
9339         * varpool.c (debug_varpool): New.
9340         * cgraph.h (debug_varpool): Declare.
9341
9342 2009-04-02  Jan Hubicka  <jh@suse.cz>
9343
9344         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
9345         pass.
9346
9347 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9348
9349         * config/i386/i386.c (ix86_abi): Move initialization to ...
9350         (override_options): Here.
9351
9352 2009-04-02  Christian Bruel  <christian.bruel@st.com>
9353
9354         * config/sh/sh.c (sh_dwarf_register_span): New function.
9355         (TARGET_DWARF_REGISTER_SPAN): Define.
9356         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
9357
9358 2009-04-02  Ira Rosen  <irar@il.ibm.com>
9359
9360         PR tree-optimization/39595
9361         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
9362         interleaved loads group is not  greater than the SLP group size.
9363
9364 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9365
9366         * builtins.c (is_builtin_name): New.
9367         (called_as_built_in): Use is_builtin_name.
9368         * tree.h (is_builtin_name): New.
9369         * varasm.c (incorporeal_function_p): Use is_builtin_name
9370
9371 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
9372
9373         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
9374
9375 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
9376
9377         PR c++/26693
9378         * c-decl.c (clone_underlying_type): Move this ...
9379         * c-common.c (set_underlying_type): ... here.
9380         Also, make sure the function properly sets TYPE_STUB_DECL() on
9381         the newly created typedef variant type.
9382         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
9383         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
9384         points.
9385
9386 2009-04-02  Richard Guenther  <rguenther@suse.de>
9387
9388         PR tree-optimization/37221
9389         * tree-flow.h (degenerate_phi_result): Declare.
9390         * tree-ssa-dom.c (degenerate_phi_result): Export.
9391         * tree-scalar-evolution.c (analyze_initial_condition): If
9392         the initial condition is defined by a degenerate PHI node
9393         use the degenerate value.
9394
9395 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
9396
9397         PR rtl-optimization/39588
9398         * combine.c (merge_outer_ops): Do not set the constant when this
9399         is not necessary.
9400         (simplify_shift_const_1): Do not modify it either in this case.
9401
9402 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
9403
9404         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
9405         tuning is deprecated if -mtune value is set to an Itanium1 variant.
9406
9407 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
9408
9409         PR c/29027
9410         * c-lex.c (interpret_float): Default (no suffix) is double.
9411
9412 2009-04-1  Xinliang David Li  <davidxl@google.com>
9413
9414         * config/i386/i386.c (legitimate_constant_p): Recognize
9415         all one vector constant.
9416
9417 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9418
9419         * config/vax/vax.c: Add #includes to silence warnings.
9420         Change #include order to silence two warnings.
9421
9422 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9423
9424         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
9425         (ASM_SPEC): Pass -k to the assembler for PIC code.
9426
9427 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9428
9429         * config.gcc: Add vax-*-linux* to the switch.
9430         * config/vax/linux.h: New file. (TARGET_VERSION,
9431         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
9432
9433 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9434
9435         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
9436         Use predicate macros instead of GET_CODE() == foo.
9437         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
9438         ashlsi3, rotrsi3, <unnamed>): Likewise.
9439
9440 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9441
9442         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
9443         jbbccihi, jbbccisi): Remova trailing whitespace.
9444         * config/vax/constraints.md: Likewise.
9445         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
9446         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
9447         * config/vax/predicates.md: Likewise.
9448         * config/vax/vax.c (print_operand_address, vax_output_int_move,
9449         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
9450         * config/vax/vax.h: Likewise.
9451         * config/vax/vax.md (nonlocal_goto): Likewise.
9452
9453 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9454
9455         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
9456         (indirectable_address_p, adjacent_operands_p): Add spaces around
9457         braces.
9458         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
9459
9460 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9461
9462         * config/vax/vax.c (legitimate_constant_address_p,
9463         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
9464         index_term_p, reg_plus_index_p, legitimate_address_p,
9465         vax_mode_dependent_address_p): Update comments to match functions
9466         modified by the recent int->bool conversion.
9467
9468 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9469
9470         * config/vax/builtins.md: Update copyright message.
9471         * config/vax/constraints.md: Likewise.
9472         * config/vax/netbsd-elf.h: Likewise.
9473         * config/vax/predicates.md: Likewise.
9474         * config/vax/vax-protos.h: Likewise.
9475         * config/vax/vax.c: Likewise.
9476         * config/vax/vax.h: Likewise.
9477         * config/vax/vax.md: Likewise.
9478         * config/vax/vax.opt: Likewise.
9479
9480 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9481
9482         * config/vax/builtins.md (ffssi2, ffssi2_internal,
9483         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
9484         * config/vax/constraints.md (B, R): Likewise.
9485         * config/vax/predicates.md (external_memory_operand,
9486         nonimmediate_addsub_di_operand): Likewise.
9487         * config/vax/vax.c (vax_output_int_add): Likewise.
9488         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
9489         untyped_call): Likewise.
9490
9491 2009-04-01  Matt Thomas  <matt@3am-software.com>
9492
9493         * config/vax/predicates.md: New file.
9494         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
9495         external_const_operand, nonsymbolic_operand, external_memory_operand,
9496         indirect_memory_operand, indexed_memory_operand,
9497         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
9498         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
9499         predicate.
9500         * config/vax/constraints.md: New file.
9501         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
9502         New constraint.
9503         * config/vax/builtins.md: New file.
9504         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
9505         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
9506         jbbccisi): Define.
9507         * config/vax/vax.opt (mqmath): Add option.
9508         * config/vax/vax.md (isfx): Extend with DI.
9509         (VAXintQH, VAXintQHSD): Define.
9510         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
9511         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
9512         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
9513         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
9514         (movdi): Update constraints and use vax_output_int_move().
9515         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
9516         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
9517         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
9518         nonlocal_goto): New.
9519         (mov<mode>): Extend accepted operand types.
9520         (subdi3_old): Rename from subdi3, change update constraints and use
9521         a new implementation.
9522         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
9523         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
9524         MOVE_RATIO, CLEAR_RATIO): Define.
9525         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
9526         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9527         (PRINT_OPERAND): Redefine using a function instead of inlined code.
9528         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
9529         (split_quadword_operands): Make static and really allow variable
9530         splitting.
9531         (print_operand_address): Update for PIC generation.
9532         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
9533         indexable_address_p, fixup_mathdi_operand,
9534         vax_expand_addsub_di_operands, adjacent_operands_p): New.
9535         (vax_float_literal, legitimate_constant_p,
9536         indirectable_constant_address_p, index_term_p,
9537         reg_plus_index_p): Return bool instead of int.
9538         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
9539         where needed.
9540         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
9541         generation.
9542         (vax_output_conditional_branch): Indent.
9543         (legitimate_constant_address_p, indirectable_constant_address_p,
9544         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
9545         vax_mode_dependent_address_p): Return bool instead of int, update for
9546         PIC generation.
9547         * config/vax/vax-protos.h (legitimate_constant_address_p,
9548         legitimate_constant_p, legitimate_address_p,
9549         vax_mode_dependent_address_p): Change declaration to bool.
9550         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
9551         vax_expand_addsub_di_operands, vax_output_int_subtract,
9552         vax_output_movmemsi): Declare.
9553         (split_quadword_operands, vax_float_literal): Delete declaration.
9554         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
9555         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
9556         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
9557         ASM_OUTPUT_DWARF_PCREL): Define.
9558         (ASM_SPEC): Change definition to allow PIC generation.
9559
9560 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
9561
9562         * doc/sourcebuild.texi: Update front-end requirements.
9563
9564 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
9565
9566         PR target/39226
9567         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
9568         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
9569         (booldi3_internal3): Use boolean_or_operator instead of
9570         boolean_operator.
9571
9572 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
9573
9574         PR c/39605
9575         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
9576         declarator whose size is not an integer constant expression but
9577         folds to an integer constant, then treat it as a constant
9578         subsequently.
9579
9580 2009-04-01  Richard Guenther  <rguenther@suse.de>
9581
9582         * fold-const.c (fold_plusminus_mult_expr): Do not fold
9583         i * 4 + 2 to (i * 2 + 1) * 2.
9584
9585 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
9586
9587         PR c/37772
9588         * c-parser.c (c_parser_asm_statement): Skip until close paren and
9589         return if c_parser_asm_string_literal returned NULL.
9590
9591 2009-04-01  Nick Clifton  <nickc@redhat.com>
9592
9593         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
9594         already defined.
9595         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
9596         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
9597         other typedefs to avoid conflicts with libgcc2.c.  Define labels
9598         to gain 16-bit bit-manipulation functions from libgcc2.c and then
9599         include it.
9600         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
9601         to gain 16-bit trapping arithmetic functions from libgcc2.c and
9602         then include it.
9603
9604 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
9605
9606         * varasm.c (default_function_rodata_section): Declare DOT as
9607         const char*.
9608
9609 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
9610             Andrey Galkin  <agalkin@hypercom.com>
9611
9612         PR/39492
9613         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
9614         Make object_name unique for each process.
9615
9616 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
9617
9618         PR other/39591
9619         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
9620         addressable variables in the parallel that could go out of scope while
9621         running queued tasks.
9622
9623 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
9624
9625         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
9626         (CASE_VALUES_THRESHOLD): Redefine.
9627         * config/avr/avr.c (avr_override_options): Remove initialization of
9628         avr_case_values_threshold variable.
9629         (avr_case_values_threshold): Remove variable. Add new function.
9630         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
9631         * config/avr/avr.opt (mno-tablejump): Remove option.
9632         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
9633
9634 2009-04-01  DJ Delorie  <dj@redhat.com>
9635
9636         * varasm.c (default_function_rodata_section): Don't assume
9637         anything about where the first '.' in the section name is.
9638
9639 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
9640
9641         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
9642         rs6000_emit_stack_tie.
9643
9644 2009-03-31  Ian Lance Taylor  <iant@google.com>
9645
9646         * tree-eh.c (tree_remove_unreachable_handlers): Compare
9647         gimple_code with GIMPLE_RESX, not RESX.
9648
9649 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
9650
9651         * c-common.c (c_get_ident): New.
9652         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
9653
9654 2009-04-01  Ben Elliston  <bje@au.ibm.com>
9655
9656         * config/rs6000/sysv4.opt (msdata): Improve option description.
9657
9658 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
9659
9660         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
9661         (divdf3_internal_lat): Remove.
9662         (divxf3_internal_lat): Remove.
9663         (divxf3_internal_thr): Remove.
9664         (divxf): Use divxf3_internal.
9665         * config/ia64/div.md (divsf3_internal_lat): New.
9666         (divdf3_internal_lat): New.
9667         (divxf3_internal): New.
9668
9669 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
9670
9671         PR c/448
9672         * Makefile.in (USE_GCC_STDINT): Define.
9673         (stmp-int-hdrs): Install stdint.h if applicable.
9674         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
9675         if known.
9676         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
9677         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
9678         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
9679         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
9680         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
9681         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
9682         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
9683         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
9684         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
9685         (c_common_nodes_and_builtins): Initialize
9686         underlying_wchar_type_node.  Do not initialize
9687         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
9688         nodes for new types.
9689         (c_stddef_cpp_builtins): Define macros for new types.
9690         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
9691         Remove.
9692         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
9693         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
9694         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
9695         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
9696         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
9697         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
9698         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
9699         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
9700         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
9701         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
9702         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
9703         int16_type_node, int32_type_node, int64_type_node,
9704         uint8_type_node, uint16_type_node, c_uint32_type_node,
9705         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
9706         int_least32_type_node, int_least64_type_node,
9707         uint_least8_type_node, uint_least16_type_node,
9708         uint_least32_type_node, uint_least64_type_node,
9709         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
9710         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
9711         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
9712         uintptr_type_node): Define.
9713         * c-cppbuiltin.c (builtin_define_constants,
9714         builtin_define_type_minmax): New.
9715         (builtin_define_stdint_macros): Define more macros.
9716         (c_cpp_builtins): Define more limit macros.
9717         (type_suffix): New.
9718         (builtin_define_type_max): Define in terms of
9719         builtin_define_type_minmax.  Remove is_long parameter.  All
9720         callers changed.
9721         * config.gcc (use_gcc_stdint): Define.
9722         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
9723         Add newlib-stdint.h for generic targets.
9724         * config/glibc-stdint.h, config/newlib-stdint.h,
9725         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
9726         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
9727         * config/score/score.h (UINTPTR_TYPE): Define.
9728         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
9729         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
9730         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
9731         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
9732         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
9733         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
9734         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
9735         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
9736         * config/spu/spu.h (STDINT_LONG32): Define.
9737         * configure.ac (use_gcc_stdint): Substitute.
9738         * configure: Regenerate.
9739         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
9740         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
9741         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
9742         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
9743         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
9744         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
9745         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
9746         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
9747         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
9748         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
9749         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
9750         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
9751         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
9752         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
9753         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
9754         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
9755         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
9756         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
9757         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
9758         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
9759         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
9760         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
9761         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
9762         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
9763         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
9764         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
9765         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
9766         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
9767         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
9768
9769 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9770
9771         * loop-iv.c (suitable_set_for_replacement): Renamed from
9772         simplify_using_assignment; changed to return bool and to accept new
9773         args DEST and SRC.  Return true iff we find a source/destination pair
9774         that can be used to make a replacement, and fill SRC and DEST if so.
9775         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
9776         changed.
9777         (simplify_using_initial_values): Deal with altered regs here and track
9778         more precisely the effect they have on the validity of our expression.
9779
9780         * loop-iv.c (simplify_using_condition): A condition of the form
9781         (EQ REG CONST) can be used to simply make a substitution.
9782         (simplify_using_initial_values): Keep track of conditions we have seen
9783         and keep using them to simplify new expressions, while applying the
9784         same substitutions to them as to the expression.
9785
9786         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9787         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
9788         GEU/LTU reversed.
9789
9790         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
9791         changed.  Use this when trying to improve the upper bound.
9792         Generate the comparison by using simplify_gen_relational.
9793
9794         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
9795
9796         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
9797         functions.
9798         (simplify_using_assignment, simplify_using_initial_values): Call
9799         replace_in_expr to make replacements.  Call replace_single_def_regs
9800         once on the initial version of the expression.
9801
9802 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9803
9804         PR target/27237
9805         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
9806
9807 2009-03-31  Richard Guenther  <rguenther@suse.de>
9808
9809         PR middle-end/31029
9810         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
9811         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
9812
9813 2009-03-31  Richard Guenther  <rguenther@suse.de>
9814
9815         * tree.h (div_if_zero_remainder): Declare.
9816         * fold-const.c (div_if_zero_remainder): Export.
9817         * tree-ssa-forwprop.c
9818         (forward_propagate_addr_into_variable_array_index): Handle
9819         constant array index addition outside of the variable index.
9820
9821 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
9822
9823         PR target/39592
9824         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
9825         define_splits, floatunssi<mode>2): Require x87 conversions from
9826         DImode to be permitted.
9827
9828 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
9829
9830         PR preprocessor/15638
9831         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
9832
9833 2009-03-31  Richard Guenther  <rguenther@suse.de>
9834
9835         PR middle-end/23401
9836         PR middle-end/27810
9837         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
9838         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
9839         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
9840         a separate statement.
9841         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
9842         (lookup_tmp_var): Likewise.
9843         (is_gimple_formal_tmp_or_call_rhs): Remove.
9844         (is_gimple_reg_or_call_rhs): Rename to ...
9845         (is_gimple_reg_rhs_or_call): ... this.
9846         (is_gimple_mem_or_call_rhs): Rename to ...
9847         (is_gimple_mem_rhs_or_call): ... this.
9848         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
9849         DECL_GIMPLE_REG_P only if is_formal is true.
9850         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
9851         for non-proper post-modify expression gimplification.
9852         (gimplify_self_mod_expr): For post-modify expressions gimplify
9853         the lvalue to a minimal lvalue.
9854         (rhs_predicate_for): Remove formal temp case.
9855         (gimplify_modify_expr_rhs): Likewise.
9856         (gimplify_addr_expr): Use is_gimple_reg.
9857         (gimplify_expr): Remove formal temp cases.
9858         (gimple_regimplify_operands): Likewise.
9859         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
9860         and FILTER_EXPR like constants.
9861         * gimple.c (walk_gimple_op): Fix val_only initialization, use
9862         is_gimple_reg.
9863         (is_gimple_formal_tmp_rhs): Remove.
9864         (is_gimple_reg_rhs): Remove special casing.
9865         (is_gimple_mem_rhs): Fix.
9866         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
9867         (is_gimple_formal_tmp_var): Remove.
9868         (is_gimple_formal_tmp_reg): Likewise.
9869         (is_gimple_min_lval): Allow invariant component ref parts.
9870         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
9871         is_gimple_formal_tmp_reg): Remove declarations.
9872         * tree-cfg.c (verify_expr): Verify that variables with address
9873         taken do not have DECL_GIMPLE_REG_P set.
9874         * tree-mudflap.c (mf_build_check_statement_for): Use
9875         force_gimple_operand instead of gimplify_expr.
9876
9877 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
9878
9879         * modulo-sched.c (sms_schedule_by_order): Pass the actual
9880         schedulable rows to compute_split_row.
9881
9882 2009-03-31  Ben Elliston  <bje@au.ibm.com>
9883
9884         PR target/31635
9885         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
9886         OPT_mvrsave.
9887
9888 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
9889
9890         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
9891         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
9892         * configure: Regenerate.
9893         * config.in: Regenerate.
9894         * config/rs6000/rs6000.opt (mtls-markers): Add.
9895         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
9896         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
9897         (tls_ld_aix, tls_ld_sysv): Likewise.
9898         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
9899         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
9900
9901 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
9902
9903         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
9904
9905 2009-03-30  Jan Hubicka  <jh@suse.cz>
9906
9907         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
9908         out of RESX.
9909         (tree_remove_unreachable_handlers): Cleanup EH predecestor
9910         detection and label handling.
9911
9912 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9913
9914         * ira-int.h (ira_allocno): Rename left_conflicts_num to
9915         left_conflicts_size.
9916         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
9917         ALLOCNO_LEFT_CONFLICTS_SIZE.
9918
9919         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
9920         remove_allocno_from_bucket_and_push,
9921         allocno_spill_priority_compare, push_allocnos_to_stack,
9922         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
9923         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
9924         (setup_allocno_left_conflicts_num): Ditto.  Rename to
9925         setup_allocno_left_conflicts_size.
9926         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
9927         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
9928         setup_allocno_left_conflicts_size instead of
9929         setup_allocno_left_conflicts_num.
9930
9931         * ira-build.c (ira_create_allocno): Use
9932         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
9933         ALLOCNO_LEFT_CONFLICTS_NUM.
9934
9935 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9936
9937         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
9938         instead of DF_LR_OUT.
9939
9940         * ira-lives.c (process_bb_node_lives): Ditto.
9941
9942         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
9943         instead of DF_LR_{OUT,IN}.
9944
9945         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
9946
9947         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
9948
9949 2009-03-30  Jan Hubicka  <jh@suse.cz>
9950
9951         * except.c (label_to_region_map): Fix thinko.
9952
9953 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
9954
9955         PR middle-end/38237
9956         * tree.h (tree_find_value): New declaration.
9957         * tree.c (tree_find_value): New function.
9958         * varasm.c (assemble_external): Avoid duplicate entries on lists.
9959
9960 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR debug/39563
9963         * c-decl.c (struct c_binding): Add locus field.
9964         (bind): Add locus argument, set locus field from it.
9965         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
9966         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
9967         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
9968         implicitly_declare, undeclared_variable, lookup_label,
9969         declare_label, c_make_fname_decl, c_builtin_function,
9970         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
9971         bind callers.
9972
9973 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9974
9975         PR target/38781
9976         * config/i386/i386.c (classify_argument): Check total size of
9977         structure.
9978
9979 2009-03-30  Martin Jambor  <mjambor@suse.cz>
9980
9981         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
9982         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
9983         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
9984         respectively.
9985
9986         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
9987         seen_variable_array_ref while also traversing a union.
9988
9989         * tree-inline.c (optimize_inline_calls): Do not call
9990         cgraph_node_remove_callees.
9991         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
9992         (pass_remove_cgraph_callee_edges): New variable.
9993         * passes.c (init_optimization_passes): Add
9994         pass_remove_cgraph_callee_edges after early inlining and before all
9995         late intraprocedural passes.
9996
9997         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
9998
9999 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10000
10001         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
10002         Fix typos in names.
10003
10004 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10005
10006         * combine.c (simplify_comparison): Use have_insn_for.
10007         * dojump.c (do_jump): Likewise.
10008
10009 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10010
10011         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
10012         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
10013         sparc_compare_op0 like sparc_compare_emitted used to be handled.
10014         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
10015         instead of sparc_compare_emitted.
10016         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
10017         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
10018         instead of sparc_compare_emitted.
10019
10020 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10021
10022         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
10023         enter/exit cfglayout mode.
10024         (pass_partition_block): Require it.
10025         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
10026         (combine_instructions): Track basic blocks instead of labels.
10027         (update_cfg_for_uncondjump): New.
10028         (try_combine): Use it.  Update jumps after rescanning.
10029         (pass_combine): Require PROP_cfglayout.
10030         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
10031
10032 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10033
10034         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
10035         Provide/destroy PROP_cfglayout respectively.
10036         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
10037         * tree-pass.h (PROP_cfglayout): New.
10038
10039 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10040
10041         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
10042         fold_convert_const_fixed_from_fixed,
10043         fold_convert_const_fixed_from_int,
10044         fold_convert_const_fixed_from_real, fold_negate_const): Do not
10045         set TREE_CONSTANT_OVERFLOW.
10046         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
10047         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
10048
10049 2009-03-30  Ira Rosen  <irar@il.ibm.com>
10050
10051         * tree-vect-loop-manip.c: New file.
10052         * tree-vectorizer.c: Update documentation and included files.
10053         (vect_loop_location): Make extern.
10054         (rename_use_op): Move to tree-vect-loop-manip.c
10055         (rename_variables_in_bb, rename_variables_in_loop,
10056         slpeel_update_phis_for_duplicate_loop,
10057         slpeel_update_phi_nodes_for_guard1,
10058         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
10059         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
10060         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
10061         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
10062         find_loop_location): Likewise.
10063         (new_stmt_vec_info): Move to tree-vect-stmts.c.
10064         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
10065         get_vectype_for_scalar_type, vect_is_simple_use,
10066         supportable_widening_operation, supportable_narrowing_operation):
10067         Likewise.
10068         (bb_in_loop_p): Move to tree-vect-loop.c.
10069         (new_loop_vec_info, destroy_loop_vec_info,
10070         reduction_code_for_scalar_code, report_vect_op,
10071         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
10072         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
10073         (vect_supportable_dr_alignment): Likewise.
10074         * tree-vectorizer.h (tree-data-ref.h): Include.
10075         (vect_loop_location): Declare.
10076         Reorganize function declarations according to the new file structure.
10077         * tree-vect-loop.c: New file.
10078         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
10079         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
10080         * tree-vect-data-refs.c: New file.
10081         * tree-vect-patterns.c (timevar.h): Don't include.
10082         * tree-vect-stmts.c: New file.
10083         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
10084         tree-vect-slp.c, tree-vect-loop.c.
10085         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
10086         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
10087         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
10088         (tree-vect-analyze.o): Remove.
10089         (tree-vect-transform.o): Likewise.
10090         (tree-vect-data-refs.o): Add rule.
10091         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
10092         tree-vect-slp.o): Likewise.
10093         (tree-vect-patterns.o): Remove redundant dependencies.
10094         (tree-vectorizer.o): Likewise.
10095         * tree-vect-slp.c: New file.
10096
10097 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10098
10099         * optc-gen.awk: Warn if an option flag has multiple different
10100         help strings.
10101
10102 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
10103
10104         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
10105         -floop-block): Document dependences on PPL, CLooG and Graphite.
10106
10107 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
10108
10109         PR rtl-optimization/323
10110         * c-common.c (c_fully_fold, convert_and_check,
10111         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
10112         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
10113         * c-common.def (EXCESS_PRECISION_EXPR): New.
10114         * c-cppbuiltin.c (builtin_define_float_constants): Define
10115         constants with enough digits for long double.
10116         * c-lex.c (interpret_float): Interpret constant with excess
10117         precision where appropriate.
10118         * c-opts.c (c_common_post_options): Set
10119         flag_excess_precision_cmdline.  Give an error for
10120         -fexcess-precision=standard for C++ for processors where the
10121         option is significant.
10122         * c-parser.c (c_parser_conditional_expression): Handle excess
10123         precision in condition.
10124         * c-typeck.c (convert_arguments): Handle arguments with excess
10125         precision.
10126         (build_unary_op): Move excess precision outside operation.
10127         (build_conditional_expr): Likewise.
10128         (build_compound_expr): Likewise.
10129         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
10130         (build_modify_expr): Handle excess precision in RHS.
10131         (convert_for_assignment): Handle excess precision in converted
10132         value.
10133         (digest_init, output_init_element, process_init_element): Handle
10134         excess precision in initializer.
10135         (c_finish_return): Handle excess precision in return value.
10136         (build_binary_op): Handle excess precision in operands and add
10137         excess precision as needed for operation.
10138         * common.opt (-fexcess-precision=): New option.
10139         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
10140         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
10141         For standard excess precision, output explicit conversion to and
10142         truncation from XFmode.
10143         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
10144         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
10145         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
10146         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
10147         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
10148         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
10149         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
10150         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
10151         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
10152         define_splits, sqrt<mode>2): Disable where appropriate for
10153         standard excess precision.
10154         * convert.c (convert_to_real): Do not shorten arithmetic to type
10155         for which excess precision would be used.
10156         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
10157         * doc/invoke.texi (-fexcess-precision=): Document option.
10158         (-mfpmath=): Correct index entry.
10159         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
10160         flag_excess_precision): New.
10161         * langhooks.c (lhd_post_options): Set
10162         flag_excess_precision_cmdline.
10163         * opts.c (common_handle_option): Handle -fexcess-precision=.
10164         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
10165         init_excess_precision): New.
10166         (lang_dependent_init_target): Call init_excess_precision.
10167         * tree.c (excess_precision_type): New.
10168         * tree.h (excess_precision_type): Declare.
10169
10170 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
10171
10172         PR c/35235
10173         * c-typeck.c (build_component_ref): Do not copy qualifiers from
10174         non-lvalue to component.
10175
10176 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
10177
10178         PR preprocessor/34695
10179         * Makefile.in (c-opts.o): Depend on c-tree.h.
10180         * c-common.c: Move down include of diagnostic.h.
10181         (done_lexing, c_cpp_error): New.
10182         * c-common.h (done_lexing): Declare.
10183         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
10184         (parse_in).
10185         * c-opts.c: Include c-tree.h.
10186         (c_common_init_options): Set preprocessor error callback.
10187         (c_common_handle_option): Do not set preprocessor
10188         inhibit_warnings, warnings_are_errors, warn_system_headers,
10189         pedantic_errors or inhibit_warnings flags.
10190         (c_common_post_options): Do not check cpp_errors (parse_in).
10191         (c_common_finish): Do not output dependencies if there were
10192         errors.  Do not check return value of cpp_finish.
10193         * c-ppoutput.c (pp_file_change): Set input_location.
10194         * c-tree.h (c_cpp_error): Declare.
10195         * diagnostic.c (diagnostic_set_info_translated): Also initialize
10196         override_column.
10197         (diagnostic_build_prefix): Check override_column.
10198         * diagnostic.h (diagnostic_info): Add override_column field.
10199         (diagnostic_override_column): Define.
10200
10201 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
10202
10203         * c-common.c (c_expand_expr, c_staticp): Remove.
10204         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
10205         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
10206         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
10207         * c-gimplify.c (gimplify_compound_literal_expr,
10208         optimize_compound_literals_in_ctor): Remove.
10209         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
10210         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
10211         * c-semantics.c (emit_local_var): Remove.
10212
10213         * langhooks-def.h (lhd_expand_expr): Remove.
10214         * langhooks.c (lhd_expand_expr): Remove.
10215         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
10216
10217         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
10218         handling from c-semantics.c; don't call into langhook.
10219         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
10220         * gimplify.c (gimplify_compound_literal_expr,
10221         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
10222         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
10223         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
10224         as was done in c-gimplify.c.
10225         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
10226         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
10227         Move from c-common.h.
10228         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
10229
10230         * tree.c (staticp): Do not call langhook.
10231         * langhooks.c (lhd_staticp): Delete.
10232         * langhooks-def.h (lhd_staticp): Delete prototype.
10233         (LANG_HOOKS_STATICP): Delete.
10234         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
10235
10236         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
10237         instead of DECL_STMTs.
10238
10239 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
10240
10241         PR c/456
10242         PR c/5675
10243         PR c/19976
10244         PR c/29116
10245         PR c/31871
10246         PR c/35198
10247         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
10248         void_type_node.
10249         (fold_call_expr): Return a NOP_EXPR from folding rather than the
10250         contained expression.
10251         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
10252         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
10253         conditional expressions for C.
10254         (decl_constant_value_for_optimization): Move from
10255         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
10256         whether optimizing and that the expression is a VAR_DECL not of
10257         array type instead of doing such checks in the caller.  Do not
10258         check pedantic.  Call gcc_unreachable for C++.
10259         * c-common.def (C_MAYBE_CONST_EXPR): New.
10260         * c-common.h (c_fully_fold, c_save_expr,
10261         decl_constant_value_for_optimization): New prototypes.
10262         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
10263         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
10264         EXPR_INT_CONST_OPERANDS): Define.
10265         * c-convert.c (convert): Strip nops from expression.
10266         * c-decl.c (groktypename): Take extra parameters expr and
10267         expr_const_operands.  Update call to grokdeclarator.
10268         (start_decl): Update call to grokdeclarator.  Add statement for
10269         expressions used in type of decl.
10270         (grokparm): Update call to grokdeclarator.
10271         (push_parm_decl): Update call to grokdeclarator.
10272         (build_compound_literal): Add parameter non_const and build a
10273         C_MAYBE_COSNT_EXPR if applicable.
10274         (grokdeclarator): Take extra parameters expr and
10275         expr_const_operands.  Track expressions used in declaration
10276         specifiers and declarators.  Fold array sizes and track whether
10277         they are constant expressions and whether they are integer
10278         constant expressions.
10279         (parser_xref_tag): Set expr and expr_const_operands fields in
10280         return value.
10281         (grokfield): Update call to grokdeclarator.
10282         (start_function): Update call to grokdeclarator.
10283         (build_null_declspecs): Set expr and expr_const_operands fields in
10284         return value.
10285         (declspecs_add_type): Handle expressions in typeof specifiers.
10286         * c-parser.c (c_parser_declspecs): Set expr and
10287         expr_const_operands fields for declaration specifiers.
10288         (c_parser_enum_specifier): Likewise.
10289         (c_parser_struct_or_union_specifier): Likewise.
10290         (c_parser_typeof_specifier): Likewise.  Update call to
10291         groktypename.  Fold expression as needed.  Return expressions with
10292         type instead of adding statements.
10293         (c_parser_attributes): Update calls to c_parser_expr_list.
10294         (c_parser_statement_after_labels): Fold expression before passing
10295         to objc_build_throw_stmt.
10296         (c_parser_condition): Fold expression.
10297         (c_parser_asm_operands): Fold expression.
10298         (c_parser_conditional_expression): Use c_save_expr.  Update call
10299         to build_conditional_expr.
10300         (c_parser_alignof_expression): Update call to groktypename.
10301         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
10302         original_code.  Fold expression argument of va_arg.  Create
10303         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
10304         argument to va_arg.  Update calls to groktypename.  Fold array
10305         index for offsetof.  Verify that first argument to
10306         __builtin_choose_expr has integer type.
10307         (c_parser_postfix_expression_after_paren_type): Update calls to
10308         groktypename and build_compound_literal.  Handle expressions with
10309         side effects in type name.
10310         (c_parser_postfix_expression_after_primary): Update call to
10311         c_parser_expr_list.  Set original_code for calls to
10312         __builtin_constant_p.
10313         (c_parser_expr_list): Take extra parameter fold_p.  Fold
10314         expressions if requested.
10315         (c_parser_objc_type_name): Update call to groktypename.
10316         (c_parser_objc_synchronized_statement): Fold expression.
10317         (c_parser_objc_receiver): Fold expression.
10318         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
10319         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
10320         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
10321         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
10322         (struct c_typespec): Add elements expr and expr_const_operands.
10323         (struct c_declspecs): Add elements expr and expr_const_operands.
10324         (groktypename, build_conditional_expr, build_compound_literal):
10325         Update prototypes.
10326         (in_late_binary_op): Declare.
10327         * c-typeck.c (note_integer_operands): New function.
10328         (in_late_binary_op): New variable.
10329         (decl_constant_value_for_broken_optimization): Move to c-common.c
10330         and rename to decl_constant_value_for_optimization.
10331         (default_function_array_conversion): Do not strip nops.
10332         (default_conversion): Do not call
10333         decl_constant_value_for_broken_optimization.
10334         (build_array_ref): Do not fold result.
10335         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
10336         result when operand is a VLA.
10337         (c_expr_sizeof_type): Update call to groktypename.  Handle
10338         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
10339         result when operand names a VLA type.
10340         (build_function_call): Update call to build_compound_literal.
10341         Only fold result for calls to __builtin_* functions.  Strip
10342         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
10343         the function designator.
10344         (convert_arguments): Fold arguments.  Update call to
10345         convert_for_assignment.
10346         (build_unary_op): Handle increment and decrement of
10347         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
10348         decrement earlier.  Fold operand of increment and decrement.
10349         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
10350         built for integer operand.  Wrap returns that are INTEGER_CSTs
10351         without being integer constant expressions or that have integer
10352         constant operands without being INTEGER_CSTs.
10353         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
10354         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
10355         result is an integer constant expression or can be used in
10356         unevaluated parts of one and avoid folding and wrap as
10357         appropriate.  Fold operands before possibly doing -Wsign-compare
10358         warnings.
10359         (build_compound_expr): Wrap result for C99 if operands can be used
10360         in integer constant expressions.
10361         (build_c_cast): Update call to digest_init.  Do not ignore
10362         overflow from casting floating-point constants to integers.  Wrap
10363         results that could be confused with integer constant expressions,
10364         null pointer constants or floating-point constants.
10365         (c_cast_expr): Update call to groktypename.  Handle expressions
10366         included in type name.
10367         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
10368         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
10369         Update calls to convert_for_assignment.
10370         (convert_for_assignment): Take new parameter
10371         null_pointer_constant.  Do not strip nops or call
10372         decl_constant_value_for_broken_optimization.  Set
10373         in_late_binary_op for conversions to boolean.
10374         (store_init_value): Update call to digest_init.
10375         (digest_init): Take new parameter null_pointer_constant.  Do not
10376         call decl_constant_value_for_broken_optimization.  pedwarn for
10377         initializers not constant expressions.  Update calls to
10378         convert_for_assignment.
10379         (constructor_nonconst): New.
10380         (struct constructor_stack): Add nonconst element.
10381         (really_start_incremental_init, push_init_level, pop_init_level):
10382         Handle constructor_nonconst and nonconst element.
10383         (set_init_index): Call constant_expression_warning for array
10384         designators.
10385         (output_init_element): Fold value.  Set constructor_nonconst as
10386         applicable.  pedwarn for initializers not constant expressions.
10387         Update call to digest_init.  Call constant_expression_warning
10388         where constant initializers are required.
10389         (process_init_element): Use c_save_expr.
10390         (c_finish_goto_ptr): Fold expression.
10391         (c_finish_return): Fold return value.  Update call to
10392         convert_for_assignment.
10393         (c_start_case): Fold switch expression.
10394         (c_process_expr_stmt): Fold expression.
10395         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
10396         ensure statement expression is not evaluated in constant expression.
10397         (build_binary_op): Track whether results are integer constant
10398         expressions or may occur in such, disable folding and wrap results
10399         as applicable.  Fold operands for -Wsign-compare warnings unless
10400         in_late_binary_op.
10401         (c_objc_common_truthvalue_conversion): Handle results folded to
10402         integer constants that are not integer constant expressions.
10403         * doc/extend.texi: Document when typeof operands are evaluated,
10404         that condition of __builtin_choose_expr is an integer constant
10405         expression, and more about use of __builtin_constant_p in
10406         initializers.
10407
10408 2009-03-29  Richard Guenther  <rguenther@suse.de>
10409
10410         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
10411         propagate addresses of array references.
10412
10413 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
10414
10415         * regmove.c (perhaps_ends_bb_p): Remove.
10416         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
10417         from INSN and check that the main loop stays within that basic block.
10418         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
10419         (regmove_forward_pass): Split out from regmove_optimize.  Use
10420         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
10421         (regmove_backward_pass): Split out from regmove_optimize.  Use
10422         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
10423         (regmove_optimize): Simplify.
10424
10425 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
10426
10427         PR target/39545
10428         * config/i386/i386.c (classify_argument): Ignore flexible array
10429         member in struct and warn ABI change.
10430
10431 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
10432
10433         * config/i386/i386-protos.h (ix86_agi_dependent): New.
10434
10435         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
10436         (ix86_adjust_cost): Updated.
10437
10438 2009-03-29  Jan Hubicka  <jh@suse.cz>
10439
10440         PR middle-end/28850
10441         * tree-pass.h (pass_cleanup_eh): New function.
10442         (remove_unreachable_regions): Break code handling RTL
10443         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
10444         that can not be reached by runtime.
10445         (can_be_reached_by_runtime): New function.
10446         (label_to_region_map): New function.
10447         (num_eh_regions): New function.
10448         (rtl_remove_unreachable_regions): New function.
10449         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
10450         (remove_eh_region): New function.
10451         * except.h: Include sbitmap and vecprim.
10452         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
10453         num_eh_regions): Declare.
10454         * passes.c (init_optimization_passes): Schedule cleanup_eh.
10455         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
10456         * tree-eh.c (tree_remove_unreachable_handlers): New function.
10457         (tree_empty_eh_handler_p): New function.
10458         (cleanup_empty_eh): New function.
10459         (cleanup_eh): New function.
10460         (pass_cleanup_eh): New function.
10461
10462 2009-03-29  Jan Hubicka  <jh@suse.cz>
10463
10464         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
10465         for removed regions.
10466
10467 2009-03-29  Jan Hubicka  <jh@suse.cz>
10468
10469         * except.c (dump_eh_tree): Dump all datastructures.
10470
10471 2009-03-29  Jan Hubicka  <jh@suse.cz>
10472
10473         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
10474         (duplicate_eh_regions_1): Likewise.
10475         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
10476         vector; call EH verification.
10477         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
10478         Be ready for region being removed.
10479
10480 2009-03-29  Jan Hubicka  <jh@suse.cz>
10481
10482         * bitmap.c (bitmap_last_set_bit): New function.
10483         * bitmap.h (bitmap_last_set_bit): Declare.
10484
10485 2009-03-29  David Ayers  <ayers@fsfe.org>
10486
10487         PR objc/27377
10488         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
10489         by calling objc_compare_types and surpress warnings about
10490         incompatible C pointers that are compatible ObjC pointers.
10491
10492 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
10493
10494         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
10495         call initialize_inline_failed.
10496         (initialize_inline_failed): Move it from here ...
10497         * cgraph.c (initialize_inline_failed): ... to here.
10498         (cgraph_create_edge): Call initialize_inline_failed rather than
10499         setting inline_failed directly.
10500
10501 2009-03-29  Ben Elliston  <bje@au.ibm.com>
10502
10503         PR target/32542
10504         * sysv4.opt (msdata): Improve comment.
10505         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
10506         * sysv4.h (SVR4_ASM_SPEC): Likewise.
10507
10508 2009-03-29  Ben Elliston  <bje@au.ibm.com>
10509
10510         PR target/30451
10511         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
10512         load and store attributes.
10513
10514 2009-03-29  Ben Elliston  <bje@au.ibm.com>
10515
10516         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
10517         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
10518         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
10519         * doc/extend.texi (X86 Built-in Functions): Add index entries for
10520         __builtin_infq and __builtin_huge_valq.
10521
10522 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
10523
10524         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
10525         atmega8m1 devices.
10526         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10527         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
10528
10529 2009-03-28  Xinliang David Li  <davidxl@google.com>
10530
10531         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
10532         (do_dbg_cnt): New function.
10533
10534 2009-03-28  Jan Hubicka  <jh@suse.cz>
10535
10536         Merge from pretty-ipa:
10537
10538         2009-03-27  Jan Hubicka  <jh@suse.cz>
10539
10540         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
10541         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
10542         * passes.c (function_called_by_processed_nodes_p): New.
10543         * ipa-pure-const.c (check_call): Fix handling of operands.
10544         (analyze_function): Dump debug output for skipped bodies.
10545         (local_pure_const): Use function_called_by_processed_nodes_p.
10546         * dwarf2out.c (reference_to_unused): Use output.
10547         * passes.c (do_per_function_toporder): Likewise.
10548
10549         2008-11-12  Jan Hubicka  <jh@suse.cz>
10550
10551         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
10552         * ipa-pure-const.c (funct_state_d): Add can throw field; make
10553         state_set_in_source enum
10554         (check_decl): Ignore memory tags; do not set fake looping flags;
10555         dump diagnostics.
10556         (check_operand, check_tree, check_rhs_var, check_lhs_var,
10557         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
10558         (check_call, analyze_function): Rewrite.
10559         (check_stmt): New.
10560         (add_new_function): Update call of analyze_function.
10561         (generate_summary): Add call of analyze_function.
10562         (propagate): Propagate can_throw; handle state_set_in_source correctly.
10563         (local_pure_const): New function.
10564         (pass_local_pure_const): New pass.
10565         * ipa-inline.c (inline_transform): Set after_inlining.
10566         * tree-eh.c (stmt_can_throw_external): New.
10567         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
10568         work with aliasing built.
10569         * tree-flow.h (stmt_can_throw_external): New.
10570         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
10571         and local pure/const pass in early and late optimization queue.
10572
10573 2009-03-28  Martin Jambor  <mjambor@suse.cz>
10574
10575         * fold-const.c (get_pointer_modulus_and_residue): New parameter
10576         allow_func_align.
10577         (fold_binary): Allow function decl aligment consideration is the
10578         second argument is integer constant one.
10579         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
10580         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
10581         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
10582
10583 2009-03-28  Jan Hubicka  <jh@suse.cz>
10584
10585         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
10586         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
10587         * function.h (rtl_data): Add nothrow flag.
10588         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
10589         set DECL_NOTHROW for AVAILABLE functions.
10590
10591 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
10592
10593         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
10594         following vector keyword has expansion starting with pixel or bool
10595         keyword, expand vector to __vector and pixel or bool to __pixel or
10596         __bool.
10597
10598         PR c++/39554
10599         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
10600         warn_if_disallowed_function_p): Removed.
10601         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
10602         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
10603         warning_if_disallowed_function_p.
10604         * flags.h (warn_if_disallowed_function_p,
10605         warn_disallowed_functions): Removed.
10606         * common.opt (Wdisallowed-function-list=): Removed.
10607         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
10608
10609 2009-03-28  Richard Guenther  <rguenther@suse.de>
10610
10611         PR tree-optimization/38723
10612         * tree-ssa-pre.c (compute_avail): Add all default definitions to
10613         the entry block.
10614
10615 2009-03-28  Jan Hubicka  <jh@suse.cz>
10616
10617         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
10618         test introduced by my previous patch.
10619
10620 2009-03-28  Richard Guenther  <rguenther@suse.de>
10621
10622         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
10623         the PHIs value undefined.
10624
10625 2009-03-28  Jan Hubicka  <jh@suse.cz>
10626
10627         * tree-pass.h (pass_fixup_cfg): New pass.
10628         * ipa-inline.c (inline_transform): Set
10629         always_inline_functions_inlined/after_inlining.
10630         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
10631         (pass_fixup_cfg): New pass.
10632         * passes.c (init_optimization_passes): Add fixup_cfg.
10633
10634 2009-03-28  Richard Guenther  <rguenther@suse.de>
10635
10636         PR tree-optimization/38458
10637         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
10638         argument use the arguments copy-of value.
10639
10640 2009-03-28  Richard Guenther  <rguenther@suse.de>
10641
10642         PR tree-optimization/38180
10643         * tree-ssa-ccp.c (get_default_value): Simplify.
10644         (likely_value): Likewise.
10645         (surely_varying_stmt_p): Properly handle VOP case.
10646         (ccp_initialize): Likewise.
10647         (ccp_fold): Handle propagating through *&.
10648         (fold_const_aggregate_ref): Also handle decls.
10649
10650 2009-03-28  Jan Hubicka  <jh@suse.cz>
10651
10652         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
10653         * cgraph.h (cgraph_node): Likewise.
10654         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
10655         (cgraph_reset_node): Use process flag.
10656         (cgraph_mark_functions_to_output): Likewise.
10657         (cgraph_expand_function): Likewise.
10658         (cgraph_expand_all_functions): Likewise.
10659         (cgraph_output_in_order): Likewise.
10660         * dwarf2out.c (reference_to_unused): Likewise.
10661         * passes.c do_per_function_toporder): Likewise.
10662
10663 2009-03-28  Jan Hubicka  <jh@suse.cz>
10664
10665         Bring from lto-branch:
10666
10667         2008-09-03  Doug Kwan  <dougkwan@google.com>
10668
10669         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
10670         enums instead of reason strings.
10671         * cgraph.c (cgraph_create_edge): Same.
10672         (cgraph_inline_failed_string): New function.
10673         * cgraph.h (cgraph_inline_failed_t): New enum type.
10674         (cgraph_inline_failed_string): New prototype.
10675         (struct cgraph_edge): Change type of INLINED_FAILED from constant
10676         char pointer to cgraph_inline_failed_t.
10677         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
10678         (cgraph_default_inline_p): Ditto.
10679         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
10680         to cgraph_inline_failed_t pointer.
10681         * cif-code.def: New file.
10682         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
10683         reason string.
10684         (cgraph_check_inline_limits): Change type of REASON to pointer to
10685         cgraph_inline_failed_t.  Replace reason strings with enums.
10686         (cgraph_default_inline_p): Ditto.
10687         (cgraph_recursive_inlining_p): Ditto.
10688         (update_caller_keys): Change type of FAILED_REASON to
10689         cgraph_inline_failed_t.
10690         (cgraph_set_inline_failed): Change type of REASON to pointer to
10691         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
10692         convert enums to strings for text output.
10693         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
10694         to be of type cgraph_inline_failed_t.  Replace reason strings with
10695         enums.  Call cgraph_inline_failed_string to covert enums
10696         to strings for text output.
10697         (cgraph_decide_inlining): Replace reason strings with enums.
10698         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
10699         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
10700         for text output.
10701         * tree-inline.c (expand_call_inline): Change type of REASON
10702         to cgraph_inline_failed_t.  Replace reason strings with enums.
10703         Call cgraph_inline_failed_string for text output.
10704         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
10705         (cgraph.o): Ditto.
10706
10707 2009-03-28  Jan Hubicka  <jh@suse.cz>
10708
10709         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
10710         cgraph_clone_node): Remove master clone handling.
10711         (cgraph_is_master_clone, cgraph_master_clone): Remove.
10712         * cgraph.h (master_clone): Remove.
10713         (cgraph_is_master_clone, cgraph_master_clone): Remove.
10714         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
10715         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
10716
10717 2009-03-28  Jan Hubicka  <jh@suse.cz>
10718
10719         * cgraph.c (cgraph_function_body_availability): Functions declared
10720         inline are always safe to assume that it is not going to be replaced.
10721
10722 2009-03-28  Richard Guenther  <rguenther@suse.de>
10723
10724         PR tree-optimization/38513
10725         * tree-ssa-pre.c (eliminate): Remove redundant stores.
10726         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10727         EXC_PTR_EXPR and FILTER_EXPR.
10728         (get_ref_from_reference_ops): Likewise.
10729
10730 2009-03-28  Richard Guenther  <rguenther@suse.de>
10731
10732         PR tree-optimization/38968
10733         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
10734         Use FLOOR_MOD_EXPR to compute misalignment.
10735
10736 2009-03-28  Richard Guenther  <rguenther@suse.de>
10737
10738         PR tree-optimization/37795
10739         * tree.h (combine_comparisons): Declare.
10740         * fold-const.c (combine_comparisons): Export.
10741         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
10742         comparisons.
10743         (ifcombine_iforif): Use combine_comparisons.
10744
10745 2009-03-28  Jan Hubicka  <jh@suse.cz>
10746
10747         * tree-eh.c (inlinable_call_p): New function.
10748         (make_eh_edges): Use it.
10749         (verify_eh_edges): Use it.
10750         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
10751         * except.c (reachable_next_level): Add inlinable_function argument
10752         (sjlj_find_directly_reachable_regions): Update.
10753         (add_reachable_handler): Do not set saw_any_handlers.
10754         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
10755         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
10756         Add new inlinable call parameter.
10757         (can_throw_internal, can_throw_external): Update.
10758         * except.h (can_throw_internal_1, can_throw_external_1,
10759         foreach_reachable_handler): Update declaration.
10760
10761 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
10762
10763         * config/arm/t-arm-coff, config/h8300/coff.h,
10764         config/i386/i386-aout.h, config/i386/i386-coff.h,
10765         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
10766         config/pdp11/2bsd.h, config/rs6000/aix41.h,
10767         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
10768         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
10769         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
10770         sys-types.h: Remove.
10771         * Makefile.in: Remove protoize and fixproto support and references
10772         in comments.
10773         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
10774         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
10775         Remove.
10776         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
10777         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
10778         unprotoize$(exeext).
10779         (rest.encap): Don't depend on $(STMP_FIXPROTO)
10780         (.PHONY): Don't depend on proto.
10781         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
10782         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
10783         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
10784         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
10785         build/gen-protos.o, build/scan.o, xsys-protos.h,
10786         build/fix-header$(build_exeext), build/fix-header.o,
10787         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
10788         stmp-install-fixproto): Remove.
10789         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
10790         SYSCALLS.c or fixproto files.
10791         (install-common): Don't install protoize.
10792         (install-headers-tar, install-headers-cpio, install-headers-cp):
10793         Don't depend on $(STMP_FIXPROTO).
10794         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
10795         install fixproto files or write out fixproto settings.
10796         (uninstall): Don't uninstall protoize.
10797         * config.gcc (use_fixproto): Remove.
10798         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
10799         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
10800         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
10801         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
10802         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
10803         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
10804         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
10805         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
10806         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
10807         * config/t-vxworks (STMP_FIXPROTO): Remove.
10808         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
10809         STMP_FIXPROTO): Remove.
10810         * config.in, configure: Regenerate.
10811         * crtstuff.c (gid_t, uid_t): Don't undefine.
10812         * doc/install.texi: Change m68k-coff to m68k-elf in example.
10813         (arm-*-coff, arm-*-aout: Remove target entries.
10814         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
10815         Remove mention of AIX 4.1.
10816         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
10817         * doc/invoke.texi (Running Protoize): Remove.
10818         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
10819         (Protoize Caveats): Remove.
10820         * tsystem.h: Update comments on headers assumed to exist.
10821
10822 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
10823
10824         * genautomata.c: Add a new year to the copyright.  Add a new
10825         reference.
10826         (struct insn_reserv_decl): Add comments for member bypass_list.
10827         (find_bypass): Remove.
10828         (insert_bypass): New.
10829         (process_decls): Use insert_bypass.
10830         (output_internal_insn_latency_func): Output all bypasses with the
10831         same input insn in one switch case.
10832
10833         * rtl.def (define_bypass): Describe bypass choice.
10834         * doc/md.texi (define_bypass): Ditto.
10835
10836 2009-03-27  Richard Guenther  <rguenther@suse.de>
10837
10838         * gimplify.c (mark_addressable): Export.
10839         * tree-flow.h (mark_addressable): Declare.
10840         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
10841         * tree-ssa.c (verify_phi_args): Verify that address taken
10842         variables have TREE_ADDRESSABLE set.
10843
10844 2009-03-27  Richard Guenther  <rguenther@suse.de>
10845
10846         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
10847         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
10848         Do not mark decls TREE_ADDRESSABLE.
10849         (build_fold_addr_expr): Adjust.
10850         (fold_addr_expr): Remove.
10851         (fold_unary): Use build_fold_addr_expr.
10852         (fold_comparison): Likewise.
10853         (split_address_to_core_and_offset): Likewise.
10854         * coverage.c (tree_coverage_counter_addr): Mark the array decl
10855         TREE_ADDRESSABLE.
10856         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
10857         (gimplify_modify_expr_to_memcpy): Mark source and destination
10858         addressable.
10859         * omp-low.c (create_omp_child_function): Mark the object decl
10860         TREE_ADDRESSABLE.
10861         (lower_rec_input_clauses): Mark the var we take the address of
10862         TREE_ADDRESSABLE.
10863         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
10864
10865 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10866
10867         PR middle-end/39315
10868         * cfgexpand.c (expand_one_stack_var_at): Change alignment
10869         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
10870
10871 2009-03-27  Richard Guenther  <rguenther@suse.de>
10872
10873         PR tree-optimization/39120
10874         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
10875         constraints.
10876         (handle_lhs_call): Process return constraints.  Add escape
10877         constraints if necessary.
10878         (handle_const_call): Fill out return constraints.  Make nested
10879         case more precise.  Avoid consttmp if possible.
10880         (handle_pure_call): Fill out return constraints.  Avoid
10881         callused if possible.
10882         (find_func_aliases): Simplify call handling.
10883
10884 2009-03-27  Richard Guenther  <rguenther@suse.de>
10885
10886         PR tree-optimization/39120
10887         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
10888         as a representative.
10889         (solve_graph): Do propagate CALLUSED.
10890         (handle_pure_call): Use a scalar constraint from CALLUSED for
10891         the return value.
10892         (find_what_p_points_to): CALLUSED shall not appear in poins-to
10893         solutions.
10894
10895 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10896
10897         PR c/39323
10898         * c-common.c (handle_aligned_attribute): Properly check alignment
10899         overflow.  Use (1U << i) instead of (1 << i).
10900
10901         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
10902
10903         * expr.h (get_mem_align_offset): Updated.
10904
10905         * tree.h (tree_decl_common): Change align to "unsigned int" and
10906         move it before pointer_alias_set.
10907
10908 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10909             Jakub Jelinek  <jakub@redhat.com>
10910
10911         PR target/38034
10912         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
10913         gr_register_operand with gr_reg_or_0_operand.
10914         (cmpxchg_rel_di): Likewise.
10915         (sync_lock_test_and_set<mode>): Likewise.
10916
10917 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10918
10919         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
10920         (true_regnum): Likewise.
10921
10922         * rtlanal.c (subreg_info): Moved to ...
10923         * rtl.h (subreg_info): Here.  New.
10924         (subreg_get_info): New.
10925
10926         * rtlanal.c (subreg_get_info): Make it extern.
10927
10928 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10929
10930         PR target/39472
10931         * config/i386/i386.c (ix86_abi): New.
10932         (override_options): Handle -mabi=.
10933         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
10934         (ix86_call_abi_override): Likewise.
10935         (init_cumulative_args): Likewise.
10936         (function_arg_advance): Likewise.
10937         (function_arg_64): Likewise.
10938         (function_arg): Likewise.
10939         (ix86_pass_by_reference): Likewise.
10940         (ix86_function_value_regno_p): Likewise.
10941         (ix86_build_builtin_va_list_abi): Likewise.
10942         (setup_incoming_varargs_64): Likewise.
10943         (is_va_list_char_pointer): Likewise.
10944         (ix86_init_machine_status): Likewise.
10945         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
10946         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
10947         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
10948         (ix86_function_abi): Make it static and return enum calling_abi.
10949         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
10950         with ix86_abi.
10951         (ix86_fn_abi_va_list): Updated.
10952
10953         * config/i386/i386.h (ix86_abi): New.
10954         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
10955         (CONDITIONAL_REGISTER_USAGE): Likewise.
10956         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
10957         (machine_function): Likewise.
10958
10959         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
10960         with ix86_abi.
10961         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
10962         (STACK_BOUNDARY): Likewise.
10963         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
10964
10965         * config/i386/i386.opt (mabi=): New.
10966
10967         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
10968         return enum calling_abi.
10969         (ix86_function_type_abi): Likewise.
10970         (ix86_function_abi): Removed.
10971
10972         * doc/invoke.texi: Document -mabi= option for x86.
10973
10974 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10975
10976         * builtins.c (real_dconstp): Delete.
10977         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
10978
10979 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
10980             Jakub Jelinek  <jakub@redhat.com>
10981
10982         PR debug/37959
10983         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
10984         (gen_subprogram_die): When a function is explicit, generate the
10985         DW_AT_explicit attribute.
10986         * langhooks.h (struct lang_hooks_for_decls): Add
10987         function_decl_explicit_p langhook.
10988         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
10989         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
10990
10991 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
10992
10993         * builtins.c (fold_builtin_memory_op): Optimize memmove
10994         into memcpy if we can prove source and destination don't overlap.
10995
10996         * tree-inline.c: Include gt-tree-inline.h.
10997         (clone_fn_id_num): New variable.
10998         (clone_function_name): New function.
10999         (tree_function_versioning): Use it.
11000         * Makefile.in (GTFILES): Add tree-inline.c.
11001
11002 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
11003
11004         * BASE-VER: Change to 4.5.0.
11005
11006 2009-03-27  Xinliang David Li  <davidxl@google.com>
11007
11008         PR tree-optimization/39557
11009         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
11010
11011 2009-03-27  Xinliang David Li  <davidxl@google.com>
11012
11013         PR tree-optimization/39548
11014         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
11015         candidate check.
11016
11017 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11018
11019         * c-common.c (pointer_int_sum): Use %wd on return from
11020         tree_low_cst.
11021
11022 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11023
11024         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
11025         on return from tree_low_cst.
11026
11027 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11028
11029         PR c++/36799
11030         * ginclude/stdarg.h (va_copy): Define also for
11031         __GXX_EXPERIMENTAL_CXX0X__.
11032
11033 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11034
11035         PR c++/35652
11036         * builtins.h (c_strlen): Do not warn here.
11037         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
11038         * c-common.c (pointer_int_sum): Take an explicit location.
11039         Warn about offsets out of bounds.
11040         * c-common.h (pointer_int_sum): Adjust declaration.
11041
11042 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11043
11044         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
11045         markup glitch.
11046
11047 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
11048
11049         PR c++/39554
11050         * opts.c (warn_if_disallowed_function_p): Don't assume
11051         get_callee_fndecl must return non-NULL.
11052
11053 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
11054
11055         PR rtl-optimization/39522
11056         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
11057         when reg_reloaded_valid is set.
11058
11059 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11060
11061         * config/spu/divv2df3.c: New file.
11062         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
11063         (DPBIT_FUNCS): Filter out _div_df.
11064
11065 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11066
11067         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
11068         a jump insn, count that jump in the distance to the loop start.
11069
11070 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11071
11072         PR target/39523
11073         * config/sh/sh.c (calc_live_regs): Fix condition for global
11074         registers except PIC_OFFSET_TABLE_REGNUM.
11075
11076 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
11077
11078         PR/39518
11079         * doc/invoke.texi (-mconsole): New.
11080         (-mcygwin): New.
11081         (-mno-cygwin): New.
11082         (-mdll): New.
11083         (-mnop-fun-dllimport): New.
11084         (-mthread): New.
11085         (-mwin32): New.
11086         (-mwindows): New.
11087         (sub section "i386 and x86-64 Windows Options"): New.
11088
11089 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
11090
11091         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
11092         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
11093
11094 2009-03-25  Richard Guenther  <rguenther@suse.de>
11095
11096         PR middle-end/39497
11097         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
11098         of -Wno-error.
11099
11100 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
11101
11102         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
11103         neither of haifa/selective schedulers are working.
11104
11105 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11106
11107         * doc/invoke.texi (Debugging Options): Fix description of
11108         -fno-merge-debug-strings.
11109
11110 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
11111
11112         * config/cris/libgcc.ver: New version-script.
11113         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
11114
11115         * configure.ac <GAS features, nop mnemonic>: Add pattern
11116         crisv32-*-* for "nop".
11117         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
11118         * configure: Regenerate.
11119
11120 2009-03-24  Ira Rosen  <irar@il.ibm.com>
11121
11122         PR tree-optimization/39529
11123         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
11124         mark_sym_for_renaming for the tag copied to the new vector
11125         pointer.
11126
11127 2009-03-24  Arthur Loiret  <aloiret@debian.org>
11128
11129         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
11130         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
11131         EXTRA_SPEC_FUNCTIONS.
11132         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
11133         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
11134         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
11135         -march and -mtune options.
11136
11137 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
11138
11139         * config/m68k/t-rtems: Add m5329 multilib.
11140
11141 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
11142             Jakub Jelinek  <jakub@redhat.com>
11143
11144         PR debug/39524
11145         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
11146         nodes.
11147
11148 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
11149
11150         PR c/39495
11151         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
11152         instead of c_parser_expression_conv, if original_code isn't one of the
11153         4 allowed comparison codes, fail.
11154
11155 2009-03-23  Richard Guenther  <rguenther@suse.de>
11156
11157         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
11158         * tree.h (struct tree_type): Likewise.
11159         * reload.h (struct insn_chain): Likewise.
11160         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
11161         * function.h (struct function): Likewise.
11162         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
11163
11164 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
11165
11166         PR tree-optimization/39516
11167         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
11168
11169 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
11170
11171         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
11172         should be set true if BITS_PER_WORD of target is bigger than 32
11173
11174 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
11175
11176         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
11177         Translate -B-options to -rpath-link.  Correct existing
11178         rpath-link and conditionalize on !nostdlib.
11179
11180 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11181
11182         * doc/extend.texi (Function Attributes, Variable Attributes):
11183         Fix typos.
11184         * doc/invoke.texi (Debugging Options, Optimize Options)
11185         (i386 and x86-64 Options, MCore Options): Likewise.
11186
11187 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
11188
11189         PR debug/37890
11190         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
11191         it for block local namespace aliases.
11192         (gen_decl_die): Pass context_die to gen_namespace_die.
11193
11194 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
11195
11196         PR c/39495
11197         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
11198         minimum or maximum value.
11199
11200 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
11201
11202         * reginfo.c (globalize_reg): Recompute derived reg sets.
11203
11204 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
11205
11206         PR target/39063
11207         * libgcc2.c (mprotect): Do not use signed arguments for
11208         VirtualProtect, use DWORD arguments.  Also fix the 'may
11209         be used uninitialized' warning for the np variable.
11210
11211 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
11212
11213         PR target/39496
11214         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
11215         functions using regparm calling conventions when not optimizing.
11216         (ix86_function_sseregparm): Similarly for sseregparm calling
11217         conventions.
11218
11219 2009-03-19  Li Feng  <nemokingdom@gmail.com>
11220
11221         PR middle-end/39500
11222         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
11223         dependence if the first conflict is after niter iterations.
11224
11225 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
11226
11227         PR middle-end/38609
11228         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
11229         functions with dynamic stack-pointer adjustments.
11230
11231 2009-03-19  Ben Elliston  <bje@au.ibm.com>
11232
11233         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
11234         option; change to -msdata=data.
11235
11236 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11237
11238         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
11239         and -fopenmp.
11240
11241 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
11242
11243         PR target/35180
11244         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
11245
11246 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
11247
11248         * doc/invoke.texi (Code Gen Options): Expand discussion of
11249         -fno-common.
11250
11251 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
11252
11253         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
11254         * matrix-reorg.c (struct matrix_info): Likewise.
11255         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
11256         * rtl.h (struct mem_attrs): Likewise.
11257         * df.h (struct df): Likewise.
11258         * tree-data-ref.h (struct data_dependence_relation): Likewise.
11259         * ira-int.h (struct ira_allocno): Likewise.
11260         * df-scan.c (struct df_collection_rec): Likewise.
11261         * ira.c (struct equivalence): Likewise.
11262         * function.c (struct temp_slot): Likewise.
11263         * cfgloop.h (struct loop): Likewise.
11264
11265         PR debug/39485
11266         * function.c (use_register_for_decl): When not optimizing, disregard
11267         register keyword for variables with types containing methods.
11268
11269 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
11270
11271         PR middle-end/39447
11272         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
11273         (is_simple_operand): Call contains_component_ref_p before calling data
11274         reference analysis that would fail on COMPONENT_REFs.
11275
11276         * tree-vrp.c (search_for_addr_array): Fix formatting.
11277
11278 2009-03-18  Richard Guenther  <rguenther@suse.de>
11279
11280         * tree-vect-transform.c (vect_loop_versioning): Fold the
11281         generated comparisons.
11282         * tree-vectorizer.c (set_prologue_iterations): Likewise.
11283         (slpeel_tree_peel_loop_to_edge): Likewise.
11284
11285 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11286
11287         PR middle-end/37805
11288         * opts.c (print_specific_help): In addition to `undocumented',
11289         accept `separate' and `joined' flags if passed alone.  Describe
11290         output by the first matched one of those.
11291         (common_handle_option): Skip over empty strings.
11292         * gcc.c (display_help): Fix help string for `--help='.
11293         * doc/invoke.texi (Option Summary, Overall Options): With
11294         `--help=', classes and qualifiers can both be repeated, but
11295         only the latter can be negated.  One should not pass only
11296         negated qualifiers.  Fix markup and examples.
11297
11298         Revert
11299         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
11300         PR middle-end/37805
11301         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
11302         and -fhelp=separate.
11303
11304 2009-03-17  Jing Yu  <jingyu@google.com>
11305
11306         PR middle-end/39378
11307         * function.h (struct rtl_data): Move is_thunk from here...
11308         (struct function): ...to here.
11309         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
11310         * varasm.c (assemble_start_function): Change is_thunk from crtl to
11311         cfun.
11312         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
11313         cfun.
11314         (alpha_does_function_need_gp, alpha_start_function): Likewise.
11315         (alpha_output_function_end_prologue): Likewise.
11316         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
11317         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
11318         (rs6000_output_function_epilogue): Likewise.
11319         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
11320
11321 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
11322
11323         PR target/39482
11324         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
11325         from different units in a single alternative.
11326         (*truncdfsf_i387): Ditto.
11327         (*truncxfsf2_mixed): Ditto.
11328         (*truncxfdf2_mixed): Ditto.
11329
11330 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
11331
11332         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
11333         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
11334
11335         PR debug/39474
11336         * tree-ssa-live.c (remove_unused_locals): Don't remove local
11337         unused non-artificial variables when not optimizing.
11338
11339         PR debug/39471
11340         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
11341         DW_TAG_imported_module even if decl is IMPORTED_DECL with
11342         NAMESPACE_DECL in its DECL_INITIAL.
11343
11344         PR middle-end/39443
11345         * optabs.c (set_user_assembler_libfunc): New function.
11346         * expr.h (set_user_assembler_libfunc): New prototype.
11347         * c-common.c: Include libfuncs.h.
11348         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
11349         for memcmp, memset, memcpy, memmove and abort.
11350         * Makefile.in (c-common.o): Depend on libfuncs.h.
11351
11352         PR debug/39412
11353         * dwarf2out.c (gen_inlined_enumeration_type_die,
11354         gen_inlined_structure_type_die, gen_inlined_union_type_die,
11355         gen_tagged_type_instantiation_die): Removed.
11356         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
11357         do nothing.
11358
11359 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
11360
11361         PR testsuite/38526
11362         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
11363         its use.
11364         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
11365         (check-parallel-%): Ditto.
11366         (check-consistency): Ditto.
11367
11368 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
11369
11370         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
11371         local variable rhs by NULL_TREE.
11372
11373 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11374
11375         PR target/39477
11376         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
11377
11378 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11379
11380         PR target/39476
11381         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
11382
11383 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11384
11385         PR target/39473
11386         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
11387         for ms->sysv ABI calls only in 64bit mode.
11388
11389         * config/i386/i386.md (untyped_call): Support 32bit.
11390
11391 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
11392
11393         * doc/extend.texi: Replace x86_65 with x86_64.
11394
11395 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
11396
11397         PR tree-optimization/39455
11398         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
11399         mismatches for POINTER_TYPE_P (type).
11400         (number_of_iterations_le): Likewise.
11401
11402 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11403
11404         * config/picochip/picochip.c: Removed profiling support.
11405         * config/picochip/picochip.md: Removed profiling instruction.
11406         * config/picochip/picochip.h: Removed profiling builtin.
11407
11408 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
11409
11410         * doc/install.texi (--with-host-libstdcxx): Document.
11411
11412 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
11413
11414         PR target/34299
11415         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
11416         generate a warning if the function name does not begin with
11417         "__vector" and the function has either the 'signal' or 'interrupt'
11418         attribute, from here to ...
11419         (avr_declare_function_name): ...here. New function.
11420         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
11421         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
11422
11423 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
11424
11425         PR bootstrap/39454
11426         * cse.c (fold_rtx): Don't modify original const_arg1 when
11427         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
11428         separate variable instead.
11429         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
11430         from out of range shift counts.
11431         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
11432
11433 2009-03-13  Catherine Moore  <clm@codesourcery.com>
11434
11435         * config/i386/x-mingw32 (host-mingw32.o): Replace
11436         diagnostic.h with $(DIAGNOSTIC_H).
11437
11438 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
11439
11440         PR target/39431
11441         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
11442         predicate.
11443         * config/i386/sync.md (sync_compare_and_swap<mode>,
11444         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
11445         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
11446         into a register.
11447         (sync_double_compare_and_swapdi_pic,
11448         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
11449         cmpxchg8b_pic_memory_operand instead of just memory_operand.
11450
11451 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11452
11453         PR target/39445
11454         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
11455
11456 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11457
11458         PR target/39327
11459         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
11460         (avx_addsubv4df3): Likewise.
11461         (*avx_addsubv4sf3): Likewise.
11462         (sse3_addsubv4sf3): Likewise.
11463
11464 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11465
11466         PR target/38824
11467         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
11468
11469 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
11470
11471         PR debug/39432
11472         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
11473         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
11474         registers for allocnos created from user-defined variables.
11475
11476 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11477
11478         PR target/39181
11479         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
11480         of non-integer mode as well.
11481
11482 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
11483
11484         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
11485         for functions for which the parameter types are unknown.
11486
11487 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
11488
11489         PR target/39137
11490         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
11491         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
11492         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
11493         * config/i386/i386.c (ix86_local_alignment): For
11494         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
11495         long long variables on the stack to avoid dynamic realignment.
11496         Allow the first argument to be a decl rather than type.
11497         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
11498
11499 2009-03-11  Nick Clifton  <nickc@redhat.com>
11500
11501         PR target/5362
11502         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
11503         options.
11504         Add description to mno-lsim option.
11505         * config/mcore/mcore.h: Remove comment about deprecated m4align
11506         option.
11507         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
11508         * doc/invoke.texi: Add description of mno-lsim and
11509         mstack-increment options.
11510
11511         * config/fr30/fr30.opt: Document the -mno-lsim option.
11512         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
11513         and -mno-lsim options.
11514
11515 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11516
11517         * fold-const.c (fold_comparison): Only call fold_inf_compare
11518         if the mode supports infinities.
11519
11520 2009-03-11  Jason Merrill  <jason@redhat.com>
11521
11522         PR debug/39086
11523         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
11524         end already did.  Notice GIMPLE_CALL modifications of the result.
11525         Don't copy debug information from an ignored decl or a decl from
11526         another function.
11527
11528 2009-03-10  Richard Guenther  <rguenther@suse.de>
11529             Nathan Froyd  <froydnj@codesourcery.com>
11530
11531         PR middle-end/37850
11532         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
11533         (__divMODE3): Likewise.
11534
11535 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
11536
11537         PR tree-optimization/39394
11538         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
11539         DECL_SIZE_UNIT of variable length FIELD_DECLs.
11540
11541 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11542
11543         * recog.c (verfiy_changes): Disallow renaming of hard regs in
11544         inline asms for register asm ("") declarations.
11545
11546 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
11547
11548         * fold-const.c (fold_unary): Fix comment.
11549
11550 2009-03-07  Jan Hubicka  <jh@suse.cz>
11551
11552         PR target/39361
11553         * tree-inline.c (setup_one_parameter): Do replacement of const
11554         argument by constant in SSA form.
11555
11556 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11557
11558         PR middle-end/38028
11559         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
11560         determine alignment passed to assign_stack_local.
11561         (assign_parms_unsplit_complex): Likewise.
11562         * except.c (sjlj_build_landing_pads): Likewise.
11563
11564 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
11565
11566         PR middle-end/39360
11567         * tree-flow.h (add_referenced_var): Return bool instead of void.
11568         * tree-dfa.c (add_referenced_var): Return result of
11569         referenced_var_check_and_insert call.
11570         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
11571         of referenced_var_check_and_insert.
11572
11573         PR debug/39372
11574         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
11575         (gen_variable_die): Emit DW_AT_location on abstract static variable's
11576         DIE, don't emit it if abstract origin already has it.
11577         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
11578         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
11579
11580 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
11581
11582         * genpreds.c (needs_variable): Fix parentheses at variable name
11583         detection.
11584         (write_tm_constrs_h): Indent generated code.
11585
11586 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11587
11588         * doc/extend.texi (Function Attributes): Add documentation
11589         for isr attributes.
11590
11591 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
11592
11593         PR debug/39387
11594         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
11595         take locus from its DECL_SOURCE_LOCATION instead of input_location.
11596
11597 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
11598
11599         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
11600         the loop as bad.
11601
11602 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
11603
11604         PR debug/39379
11605         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
11606         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
11607
11608 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
11609
11610         * config/i386/i386.md (R8_REG, R9_REG): New constants.
11611         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
11612         constants instead of magic numbers.
11613         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
11614         (QI_REG_P): Ditto.
11615         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
11616         (x86_64_ms_abi_int_parameter_registers): Ditto.
11617         (x86_64_int_return_registers): Ditto.
11618         (ix86_maybe_switch_abi): Ditto.
11619         (ix86_expand_call): Ditto for clobbered_registers array.
11620         (ix86_hard_regno_mode_ok): Ditto.
11621         (x86_extended_QIreg_mentioned_p): Ditto.
11622
11623 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
11624
11625         PR tree-optimization/39349
11626         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
11627
11628         * combine.c (gen_lowpart_for_combine): Use omode when generating
11629         clobber.
11630
11631 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
11632
11633         PR rtl-optimization/39235
11634         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
11635
11636 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
11637
11638         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
11639
11640 2009-03-04  Richard Guenther  <rguenther@suse.de>
11641
11642         PR tree-optimization/39362
11643         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
11644         that occur in abnormal PHIs should be varying.
11645
11646 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
11647
11648         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
11649         Extend comments.
11650         (simple_iv):  Take loop as an argument instead of statement.
11651         * tree-scalar-evolution.h (simple_iv): Declaration changed.
11652         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
11653         to simple_iv.
11654         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
11655         Ditto.
11656         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
11657         * matrix-reorg.c (analyze_transpose): Ditto.
11658         * tree-data-ref.c (dr_analyze_innermost): Ditto.
11659         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
11660         * tree-predcom.c (ref_at_iteration): Ditto.
11661         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
11662
11663 2009-03-04  Richard Guenther  <rguenther@suse.de>
11664
11665         PR tree-optimization/39358
11666         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
11667         escaped_id and callused_id.
11668         (solve_graph): Likewise.
11669
11670 2009-03-04  Richard Guenther  <rguenther@suse.de>
11671
11672         PR tree-optimization/39339
11673         * tree-sra.c (try_instantiate_multiple_fields): Make it
11674         no longer ICE on the above.
11675
11676 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
11677
11678         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
11679         that fits within Pmode.
11680
11681 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
11682
11683         PR middle-end/10109
11684         * tm.texi (LIBCALL_VALUE): Update description.
11685
11686 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
11687
11688         PR middle-end/34443
11689         * doc/extend.texi (section): Update description.
11690
11691 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
11692
11693         PR middle-end/39345
11694         * tree-inline.c (remapped_type): New.
11695         (can_be_nonlocal): Call remapped_type instead of remap_type.
11696
11697 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
11698
11699         PR fortran/39354
11700         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
11701         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
11702
11703 2009-03-03  Richard Guenther  <rguenther@suse.de>
11704
11705         PR middle-end/39272
11706         * tree.c (tree_nonartificial_location): New function.
11707         * tree.h (tree_nonartificial_location): Declare.
11708         * builtins.c (expand_builtin_memory_chk): Provide location
11709         of the call location for artificial function pieces.
11710         (maybe_emit_chk_warning): Likewise.
11711         (maybe_emit_sprintf_chk_warning): Likewise.
11712         (maybe_emit_free_warning): Likewise.
11713         * expr.c (expand_expr_real_1): Likewise.
11714
11715 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
11716
11717         PR tree-optimization/39343
11718         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
11719         COMPONENT_REF t has ARRAY_TYPE.
11720
11721 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
11722
11723         PR middle-end/39335
11724         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
11725         when the type precision of the induction variable should be
11726         larger than the type precision of nit.
11727         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
11728         * graphite.c (graphite_loop_normal_form): Same.
11729         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
11730
11731 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
11732
11733         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
11734         (*call_1_rex64_ms_sysv): Use named constants instead of magic
11735         numbers to describe clobbered registers.
11736         (*call_value_0_rex64_ms_sysv): Ditto.
11737         * config/i386/mmx.md (mmx_emms): Ditto.
11738         (mmx_femms): Ditto.
11739
11740 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
11741
11742         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
11743         of ABI_64.
11744
11745 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11746
11747         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
11748         (spu_section_type_flags): New function.
11749
11750 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
11751
11752         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
11753         reg_class_contents of FLOAT_REGS into a temporary.
11754
11755 2009-03-02  Richard Guenther  <rguenther@suse.de>
11756             Ira Rosen  <irar@il.ibm.com>
11757
11758         PR tree-optimization/39318
11759         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
11760         information to the vectorized statement.
11761
11762 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
11763
11764         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
11765         variable.  Use defined names instead of magic constants for REX SSE
11766         registers.
11767
11768 2009-03-01  Richard Guenther  <rguenther@suse.de>
11769
11770         PR tree-optimization/39331
11771         * omp-low.c (lower_send_shared_vars): Do not receive new
11772         values for the reference of DECL_BY_REFERENCE parms or results.
11773
11774 2009-03-01  Jan Hubicka  <jh@suse.cz>
11775
11776         PR debug/39267
11777         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
11778         BLOCK_NONLOCALIZED_VAR): New macros.
11779         (tree_block): Add nonlocalized_vars.
11780         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
11781         gen_decl_die): Add origin argument.  Allow generation of die with
11782         origin at hand only.
11783         (gen_member_die, gen_type_die_with_usage, force_decl_die,
11784         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
11785         of gen_*.
11786         (gen_block_die): Fix checking for unused blocks.
11787         (process_scope_var): Break out from .... ; work with origins only.
11788         (decls_for_scope) ... here; process nonlocalized list.
11789         (dwarf2out_ignore_block): Look for nonlocalized vars.
11790         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
11791         vars.
11792         (dump_scope_block): Dump them.
11793         * tree-inline.c (remap_decls): Handle nonlocalized vars.
11794         (remap_block): Likewise.
11795         (can_be_nonlocal): New predicate.
11796         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
11797
11798 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11799
11800         * configure: Regenerate.
11801
11802 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11803
11804         * optc-gen.awk: No need to duplicate option flags twice.
11805         Reuse help texts for duplicate options which do not have any.
11806
11807         * gcc.c (display_help): Document --version.
11808
11809         * gcc.c (main): If print_help_list and verbose_flag, ensure
11810         driver output comes before subprocess output.
11811
11812         * optc-gen.awk: Assign all remaining fields to help string,
11813         space-separated, for multi-line help in *.opt.
11814
11815         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
11816         -Wno-pedantic-ms-format is for MinGW targets only.
11817
11818         * doc/options.texi (Option file format): Fix bad indentation,
11819         restoring dropped sentence.
11820
11821 2009-02-28  Jan Hubicka  <jh@suse.cz>
11822
11823         * tree-inline.c (tree_function_versioning): Output debug info.
11824
11825 2009-02-28  Jan Hubicka  <jh@suse.cz>
11826
11827         PR debug/39267
11828         * tree-inline.c (setup_one_parameter): Do not copy propagate
11829         arguments when not optimizing.
11830
11831 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
11832
11833         PR target/39327
11834         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
11835         (avx_addsubv4df3): Likewise.
11836         (*avx_addsubv4sf3): Likewise.
11837         (sse3_addsubv4sf3): Likewise.
11838         (*avx_addsubv2df3): Likewise.
11839         (sse3_addsubv2df3): Likewise.
11840         (avx_unpckhps256): Correct item selectors.
11841         (avx_unpcklps256): Likewise.
11842         (avx_unpckhpd256): Likewise.
11843         (avx_unpcklpd256): Likewise.
11844
11845 2009-02-28  Jan Hubicka  <jh@suse.cz>
11846
11847         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
11848         static vars.
11849         (copy_arguments_for_versioning): If var is declared don't declare it.
11850         (tree_function_versioning): First setup substitutions and then copy
11851         args.
11852
11853 2009-02-27  Jan Hubicka  <jh@suse.cz>
11854
11855         PR debug/39267
11856         * cgraph.h (varpool_output_debug_info): Remove.
11857         * cgraphunit.c (varpool_output_debug_info): Remove.
11858         * dwarf2out.c (deferred_locations_struct): New struct
11859         (deferred_locations): New type.
11860         (deferred_locations_list): New static var.
11861         (deffer_location): New function.
11862         (gen_variable_die): Use it.
11863         (decls_for_scope): Output info on local static vars.
11864         (dwarf2out_finish): Process deferred locations.
11865         * varpool.c (varpool_output_debug_info): Remove.
11866
11867 2009-02-27  Jan Hubicka  <jh@suse.cz>
11868
11869         PR debug/39267
11870         * tree.h (TREE_PROTECTED): Fix comment.
11871         (BLOCK_HANDLER_BLOCK): Remove.
11872         (struct tree_block): Remove handler_block add body_block.
11873         (inlined_function_outer_scope_p): New.
11874         (is_body_block): Remove.
11875         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
11876         * dwarf2out.c (is_inlined_entry_point): Remove.
11877         (add_high_low_attributes): Use inlined_function_outer_scope_p.
11878         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
11879         code.
11880         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
11881         * gimplify.c (gimplify_expr): Gimplify body blocks.
11882         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
11883         block with multiple subblocks.
11884         (dump_scope_block): Prettier output; dump more flags and info.
11885         (dump_scope_blocks): New.
11886         (remove_unused_locals): Use dump_scope_blocks.
11887         * tree-flow.h (dump_scope_blocks): Declare.
11888         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
11889         * stmt.c (is_body_block): Remove.
11890         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
11891         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
11892
11893 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
11894
11895         PR middle-end/39308
11896         * graphite.c (graphite_loop_normal_form): Do not call
11897         number_of_iterations_exit from a gcc_assert.
11898
11899 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11900
11901         * config/s390/s390.c (s390_swap_cmp): Look for conditional
11902         jumps if COND is NULL.
11903         (find_cond_jump): New function.
11904         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
11905         * config/s390/s390.md: Remove z10_cobra attribute value.
11906
11907 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
11908
11909         * config/alpha/alpha.h (alpha_expand_mov): Return false if
11910         force_const_mem returns NULL_RTX.
11911
11912 2009-02-26  Jan Hubicka  <jh@suse.cz>
11913
11914         PR debug/39267
11915         * cgraph.h (varpool_output_debug_info): Remove.
11916         * cgraphunit.c (varpool_output_debug_info): Remove.
11917         * dwarf2out.c (deferred_locations_struct): New struct
11918         (deferred_locations): New type.
11919         (deferred_locations_list): New static var.
11920         (deffer_location): New function.
11921         (gen_variable_die): Use it.
11922         (decls_for_scope): Output info on local static vars.
11923         (dwarf2out_finish): Process deferred locations.
11924         * varpool.c (varpool_output_debug_info): Remove.
11925
11926 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
11927
11928         PR rtl-optimization/39241
11929         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
11930         to subreg_offset_representable_p.
11931
11932 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11933
11934         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
11935         execute function prototype.  Get f and nregs from max_reg_num
11936         and get_insns.  Remove the first backward pass as it's dead,
11937         guard the forward pass by flag_expensive_optimizations.
11938         (rest_of_handle_regmove): Delete.
11939         (pass_regmove): Replace it with regmove_optimize.
11940
11941 2009-02-25  Martin Jambor  <mjambor@suse.cz>
11942
11943         PR tree-optimization/39259
11944         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
11945         calls_alloca function flags.
11946         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
11947         calls are detected.
11948
11949 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
11950
11951         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
11952         flags_set_1_rtx, flags_set_1_set): Delete.
11953         (regmove_optimize): Do not call mark_flags_life_zones.
11954
11955 2009-02-24  Julian Brown  <julian@codesourcery.com>
11956
11957         PR target/35965
11958         * config/arm/arm.c (require_pic_register): Only set
11959         cfun->machine->pic_reg once per function.
11960
11961 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
11962
11963         * doc/invoke.texi (Link Options): Document an easier way to pass
11964         options that take arguments to the GNU linker using -Xlinker and -Wl.
11965
11966 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
11967
11968         PR target/33785
11969         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
11970
11971 2009-02-24  Richard Guenther  <rguenther@suse.de>
11972
11973         PR debug/39285
11974         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
11975
11976 2009-02-24  Richard Guenther  <rguenther@suse.de>
11977             Zdenek Dvorak  <ook@ucw.cz>
11978
11979         PR tree-optimization/39233
11980         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
11981         from converting them to a generic type.
11982
11983 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
11984
11985         PR tree-optimization/39260
11986         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
11987         contains a condition with a real type.
11988         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
11989
11990 2009-02-23  Jason Merrill  <jason@redhat.com>
11991
11992         PR c++/38880
11993         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
11994         narrowing_initializer_constant_valid_p.
11995         (narrowing_initializer_constant_valid_p): Don't return
11996         null_pointer_node for adding a pointer to itself.
11997
11998 2009-02-23  Jan Hubicka  <jh@suse.cz>
11999
12000         PR c/12245
12001         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
12002         resizing.
12003
12004 2009-02-23  Jan Hubicka  <jh@suse.cz>
12005
12006         PR tree-optimization/37709
12007         * tree.c (block_ultimate_origin): Move here from dwarf2out.
12008         * tree.h (block_ultimate_origin): Declare.
12009         * dwarf2out.c (block_ultimate_origin): Move to tree.c
12010         * tree-ssa-live.c (remove_unused_scope_block_p):
12011         Eliminate blocks containig no instructions nor live variables nor
12012         nested blocks.
12013         (dump_scope_block): New function.
12014         (remove_unused_locals): Enable removal of dead blocks by default;
12015         enable dumping at TDF_DETAILS.
12016
12017 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12018
12019         * config/i386/i386.c (classify_argument): Don't allow COImode
12020         and OImode.
12021         (function_arg_advance_32): Don't allow OImode.
12022         (function_arg_32): Likewise.
12023         (function_value_32): Likewise.
12024         (return_in_memory_32): Likewise.
12025         (function_arg_64): Remove OImode comment.
12026
12027 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12028
12029         PR target/39261
12030         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
12031         ix86_expand_vector_set for V4DImode in 64bit mode only.
12032         (ix86_expand_vector_init_one_var): Likewise.
12033
12034 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
12035
12036         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
12037
12038 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
12039
12040         PR bootstrap/39257
12041         * loop-iv.c: Revert last change.
12042         * emit-rtl.c: Likewise.
12043
12044 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12045
12046         PR target/39256
12047         * config/i386/i386.c (type_natural_mode): Remove an extra
12048         space in the warning message.
12049         (function_value_32): Handle 32-byte vector modes.
12050         (return_in_memory_32): Likewise.
12051
12052 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
12053
12054         * loop-iv.c (truncate_value): New function.
12055         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
12056         of lowpart_subreg.
12057         (lowpart_subreg): Move to...
12058         * emit-rtl.c: ...here.
12059
12060 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
12061
12062         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
12063         accidental and undocumented change at revision 140860.
12064
12065 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
12066
12067         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
12068         take gimple_seq * arguments.
12069         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
12070         types_compatible_p langhook.
12071
12072 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
12073             Joseph Myers  <joseph@codesourcery.com>
12074
12075         * config/arm/arm.c (arm_builtin_va_list): New function.
12076         (arm_expand_builtin_va_start): Likewise.
12077         (arm_gimplify_va_arg_expr): Likewise.
12078         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
12079         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
12080         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
12081         (va_list_type): New variable.
12082         (arm_mangle_type): Mangle va_list_type appropriately.
12083
12084 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
12085
12086         PR middle-end/39157
12087         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
12088         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
12089         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
12090         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
12091         parameter to 1000 for -O1 by default.
12092         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
12093         parameter.
12094         * loop-invariant.c: Include params.h.
12095         (move_loop_invariants): Don't call move_single_loop_invariants on
12096         very large loops.
12097
12098 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
12099
12100         * calls.c (emit_library_call_value_1): Use slot_offset instead of
12101         offset when calculating bounds for indexing stack_usage_map.  Fixes
12102         a buffer overflow with certain target setups.
12103
12104 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
12105
12106         PR target/39240
12107         * calls.c (expand_call): Clear try_tail_call if caller and callee
12108         disagree in promotion of function return value.
12109
12110 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
12111
12112         PR target/39175
12113         * c-common.c (c_determine_visibility): If visibility changed and
12114         DECL_RTL has been already set, call make_decl_rtl to update symbol
12115         flags.
12116
12117 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
12118
12119         PR c++/39188
12120         * varasm.c (assemble_variable): Don't check DECL_NAME when
12121         globalizing a variable.
12122
12123 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
12124
12125         PR c/38483
12126         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
12127         expression before any __builtin_trap call.
12128         * c-typeck.c (build_function_call): Convert and check function
12129         arguments before generating a call to a trap.  Evaluate the
12130         function arguments before the trap.
12131
12132 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
12133
12134         PR target/39228
12135         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
12136         (UNSPEC_FXAM_MEM): New unspec.
12137         (fxam<mode>2_i387_with_temp): New insn and split pattern.
12138         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
12139         memory using fxam<mode>2_i387_with_temp to remove excess precision.
12140
12141 2009-02-19  Richard Guenther  <rguenther@suse.de>
12142
12143         PR tree-optimization/39207
12144         PR tree-optimization/39074
12145         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
12146         storedanything_tree): New.
12147         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
12148         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
12149         (build_succ_graph): Add edges from STOREDANYTHING to all
12150         non-direct nodes.
12151         (init_base_vars): Initialize STOREDANYTHING.
12152         (compute_points_to_sets): Free substitution info after
12153         building the succ graph.
12154         (ipa_pta_execute): Likewise.
12155
12156         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
12157         field.
12158         (do_ds_constraint): Do not add to special var or non-pointer
12159         field solutions.
12160         (type_could_have_pointers): Split out from ...
12161         (could_have_pointers): ... here.  For arrays use the element type.
12162         (create_variable_info_for): Initialize may_have_pointers.
12163         (new_var_info): Likewise.
12164         (handle_lhs_call): Make the HEAP variable unknown-sized.
12165         (intra_create_variable_infos): Use a type with pointers for
12166         PARM_NOALIAS, make it unknown-sized.
12167
12168 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
12169
12170         PR target/39224
12171         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
12172
12173 2009-02-18  Jason Merrill  <jason@redhat.com>
12174
12175         PR target/39179
12176         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
12177         value if DECL_EXTERNAL.
12178         * tree-sra.c (sra_walk_gimple_assign): Likewise.
12179         * target.h (gcc_target::binds_local_p): Clarify "module".
12180         * tree.h (TREE_PUBLIC): Clarify "module".
12181
12182 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
12183
12184         PR target/38891
12185         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
12186         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
12187
12188 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
12189
12190         PR target/39082
12191         * c.opt (Wabi): Support C and ObjC.
12192         (Wpsabi): New.
12193
12194         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
12195
12196         * config/i386/i386.c (classify_argument): Warn once about the ABI
12197         change when passing union with long double.
12198
12199         * doc/invoke.texi: Update -Wabi for warning psABI changes.
12200
12201 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
12202
12203         PR c/35447
12204         * c-parser.c (c_parser_compound_statement): Always enter and leave
12205         a scope.
12206
12207 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12208
12209         PR target/34587
12210         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
12211
12212 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
12213
12214         PR tree-optimization/36922
12215         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
12216         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
12217         Likewise.
12218
12219 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12220
12221         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
12222         to 0 for EABI64.
12223
12224 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12225
12226         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
12227
12228 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12229
12230         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
12231         tree sharing.
12232
12233 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
12234             Richard Sandiford  <rdsandiford@googlemail.com>
12235
12236         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
12237         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
12238         (loongson_biadd): ...this.
12239
12240 2009-02-17  Richard Guenther  <rguenther@suse.de>
12241
12242         PR tree-optimization/39202
12243         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
12244         a var make sure to follow existing collapses.
12245
12246 2009-02-17  Richard Guenther  <rguenther@suse.de>
12247
12248         PR middle-end/39214
12249         * langhooks.c (lhd_print_error_function): Check for NULL block.
12250
12251 2009-02-17  Richard Guenther  <rguenther@suse.de>
12252
12253         PR tree-optimization/39204
12254         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
12255         of the PHI arg.
12256
12257 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
12258
12259         * config/soft-fp/double.h: Update from glibc CVS.
12260
12261 2009-02-17  Richard Guenther  <rguenther@suse.de>
12262
12263         PR tree-optimization/39207
12264         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
12265         strict-aliasing warnings for pointers pointing to NULL.
12266
12267 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
12268
12269         PR c/35446
12270         * c-parser.c (c_parser_braced_init): Call pop_init_level when
12271         skipping until next close brace.
12272
12273 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
12274
12275         PR target/37049
12276         * config/i386/i386.c (ix86_expand_push): Set memory alignment
12277         to function argument boundary.
12278
12279 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12280
12281         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
12282         in the lea_add. Reload eventually constraints it properly.
12283         * config/picochip/constraints.md: Remove the target constraint
12284         "b", since it is not needed anymore.
12285
12286 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
12287
12288         * gthr-dce.h: Uglify function parameter and local variable names.
12289         * gthr-gnat.h: Likewise.
12290         * gthr-mipssde.h: Likewise.
12291         * gthr-nks.h: Likewise.
12292         * gthr-posix95.h: Likewise.
12293         * gthr-posix.h: Likewise.
12294         * gthr-rtems.h: Likewise.
12295         * gthr-single.h: Likewise.
12296         * gthr-solaris.h: Likewise.
12297         * gthr-tpf.h: Likewise.
12298         * gthr-vxworks.h: Likewise.
12299         * gthr-win32.h: Likewise.
12300
12301 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
12302
12303         PR target/39196
12304         * config/i386/i386.md: Restrict the new peephole2 to move
12305         between MMX/SSE registers.
12306
12307 2009-02-15  Richard Guenther  <rguenther@suse.de>
12308
12309         Revert
12310         2009-02-13  Richard Guenther  <rguenther@suse.de>
12311
12312         * configure.ac: Enable LFS.
12313         * configure: Re-generate.
12314         * config.in: Likewise.
12315
12316 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12317
12318         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
12319         spu_srqwbyte, spu_srqwbytebc): Define.
12320         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
12321         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
12322         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
12323         "shrqby_<mode>"): New insn-and-split patterns.
12324         * config/spu/spu.c (expand_builtin_args): Determine and return
12325         number of operands using spu_builtin_description data.
12326         (spu_expand_builtin_1): Use it.
12327
12328 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
12329
12330         PR target/38056
12331         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
12332         TARGET_CONST_GP.
12333
12334 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12335
12336         PR target/39149
12337         * config/i386/i386.c (override_options): Correct warning
12338         messages for -malign-loops, -malign-jumps and -malign-functions.
12339
12340 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12341
12342         PR target/39152
12343         * config/i386/i386.md: Restrict the new peephole2 to move
12344         between the general purpose registers.
12345
12346 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12347
12348         PR target/39162
12349         * config/i386/i386.c (type_natural_mode): Add a new argument.
12350         Return the original mode and warn ABI change if vector size is 32byte.
12351         (function_arg_advance): Updated.
12352         (function_arg): Likewise.
12353         (ix86_function_value): Likewise.
12354         (ix86_return_in_memory): Likewise.
12355         (ix86_sol10_return_in_memory): Likewise.
12356         (ix86_gimplify_va_arg): Likewise.
12357         (function_arg_32): Don't warn ABX ABI change here.
12358         (function_arg_64): Likewise.
12359
12360 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12361
12362         * loop-iv.c (implies_p): In the final case, test that operands 0
12363         of the two comparisons match.
12364
12365         * config/bfin/bfin.c (find_prev_insn_start): New function.
12366         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
12367         (find_next_insn_start): Move.
12368
12369 2009-02-13  Richard Guenther  <rguenther@suse.de>
12370
12371         * configure.ac: Enable LFS.
12372         * configure: Re-generate.
12373         * config.in: Likewise.
12374
12375 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
12376
12377         PR c/35444
12378         * c-parser.c (c_parser_parms_list_declarator): Discard pending
12379         sizes on syntax error after some arguments have been parsed.
12380
12381 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
12382
12383         * doc/invoke.texi (-fira): Remove.
12384
12385 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12386
12387         * caller-save.c: Replace regclass.c with reginfo.c in comments.
12388         * recog.c: Likewise.
12389         * rtl.h: Likewise.
12390
12391 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
12392
12393         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
12394         (umul_ppmm): Likewise.
12395         (count_leading_zeros): Likewise.
12396         (count_trailing_zeros): Likewise.
12397         (UMUL_TIME): Likewise.
12398
12399 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12400
12401         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
12402         soft-fp/t-softfp to tmake_file.
12403
12404         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
12405         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
12406         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
12407         IA64_BUILTIN_INFQ]: New.
12408         (ia64_init_builtins): Initialize __builtin_infq,
12409         __builtin_fabsq and __builtin_copysignq if not HPUX.
12410         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
12411         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
12412
12413         * config/ia64/lib1funcs.asm (__divtf3): Define only if
12414         SHARED is defined.
12415         (__fixtfti): Likewise.
12416         (__fixunstfti): Likewise.
12417         (__floattitf): Likewise.
12418
12419         * config/ia64/libgcc-glibc.ver: New.
12420         * config/ia64/t-fprules-softfp: Likewise.
12421         * config/ia64/sfp-machine.h: Likewise.
12422
12423         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
12424         (LIBGCC2_TF_CEXT): Likewise.
12425         (TF_SIZE): Likewise.
12426         (TARGET_INIT_LIBFUNCS): Likewise.
12427
12428         * config/ia64/t-glibc (SHLINB_MAPFILES):
12429         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
12430
12431 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12432
12433         * config/i386/i386.c (construct_container): Rewrite processing
12434         BLKmode with X86_64_SSE_CLASS.
12435
12436 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
12437
12438         PR target/39152
12439         * config/i386/i386.md: Replace simplify_replace_rtx with
12440         replace_rtx in the new peephole2.
12441
12442 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
12443
12444         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
12445         loop unrolling do not happen at -O2.
12446
12447 2009-02-12  Michael Matz  <matz@suse.de>
12448
12449         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
12450
12451 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
12452
12453         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
12454         for -g3.
12455
12456 2009-02-12  Ben Elliston  <bje@au.ibm.com>
12457
12458         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
12459         patterns when updating the back chain.  Missed in the 2009-02-10
12460         change.
12461
12462 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
12463
12464         * doc/extend.texi (Decimal Floating Types): Update identifier of
12465         draft TR and list of missing support.
12466
12467 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
12468
12469         PR middle-end/39154
12470         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
12471         bit to variable length decl's flags, add it also to its
12472         pointer replacement variable.
12473
12474 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
12475             Jakub Jelinek  <jakub@redhat.com>
12476
12477         PR target/39118
12478         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
12479         (memory_blockage): New expander.
12480         (*memory_blockage): New insn pattern.
12481         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
12482         instead of general blockage at the end of function prologue when
12483         frame pointer is used to access red zone area.  Do not emit blockage
12484         when profiling, it is emitted in generic code.
12485         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
12486         function epilogue when frame pointer is used to access red zone area.
12487
12488 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
12489
12490         PR target/38824
12491         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
12492         by arithmetic with memory operands.
12493         * config/i386/predicates.md (commutative_operator): New.
12494
12495 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
12496
12497         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
12498         bulleted lists.
12499
12500 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12501
12502         * alias.h (record_alias_subset): Declare.
12503         * alias.c (record_alias_subset): Make global.
12504
12505 2009-02-10  Nick Clifton  <nickc@redhat.com>
12506
12507         * tree-parloops.c: Change license to GPLv3.
12508         * ipa-struct-reorg.c: Change license to GPLv3.
12509         * ipa-struct-reorg.h: Change license to GPLv3.
12510
12511 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
12512
12513         PR c/39084
12514         * c-decl.c (start_struct): Return NULL on error.
12515
12516 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
12517
12518         PR middle-end/39124
12519         * cfgloopmanip.c (remove_path): Call remove_bbs after
12520         cancel_loop_tree, not before it.
12521
12522         PR target/39139
12523         * function.h (struct function): Add has_local_explicit_reg_vars bit.
12524         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
12525         VAR_DECLs were seen.
12526         * tree-ssa-live.c (remove_unused_locals): Recompute
12527         cfun->has_local_explicit_reg_vars.
12528         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
12529         copies or clearings if cfun->has_local_explicit_reg_vars.
12530
12531 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
12532
12533         PR target/39118
12534         * config/i386/i386.c (expand_prologue): Emit blockage at the end
12535         of function prologue when frame pointer is used to access
12536         red zone area.
12537
12538 2009-02-10  Richard Guenther  <rguenther@suse.de>
12539
12540         PR middle-end/39127
12541         * gimplify.c (gimple_regimplify_operands): Always look if
12542         we need to create a temporary.
12543
12544 2009-02-10  Richard Guenther  <rguenther@suse.de>
12545
12546         PR tree-optimization/39132
12547         * tree-loop-distribution.c (todo): New global var.
12548         (generate_memset_zero): Trigger TODO_rebuild_alias.
12549         (tree_loop_distribution): Return todo.
12550
12551 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
12552
12553         PR target/39119
12554         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
12555         (x86_64_reg_class_name): Removed.
12556         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
12557         first one isn't X86_64_SSE_CLASS or any other ones aren't
12558         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
12559         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
12560         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
12561         and 3 X86_64_SSEUP_CLASS.
12562         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
12563         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
12564
12565 2009-02-10  Ben Elliston  <bje@au.ibm.com>
12566
12567         * config/rs6000/rs6000.md (allocate_stack): Always use an update
12568         form instruction to update the stack back chain word, even if the
12569         user has disabled the generation of update instructions.
12570         (movdi_<mode>_update_stack): New.
12571         (movsi_update_stack): Likewise.
12572         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
12573         always use an update form instruction to update the stack back
12574         chain word.
12575
12576 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
12577
12578         PR middle-end/38953
12579         * graphite.c (if_region_set_false_region): After moving a region in
12580         the false branch of a condition, remove the empty dummy basic block.
12581         (gloog): Remove wrong fix for PR38953.
12582
12583 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12584
12585         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
12586         generation due to implicit sign extension.
12587
12588 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12589
12590         PR middle-end/38981
12591         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
12592         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
12593
12594 2009-02-09  Richard Guenther  <rguenther@suse.de>
12595
12596         PR middle-end/35202
12597         * convert.c (convert_to_real): Disable (float)fn((double)x)
12598         to fnf(x) conversion if errno differences may occur and
12599         -fmath-errno is set.
12600
12601 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
12602
12603         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
12604         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12605         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12606
12607 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
12608
12609         PR c/35434
12610         * c-common.c (handle_alias_attribute): Disallow attribute for
12611         anything not a FUNCTION_DECL or VAR_DECL.
12612
12613 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
12614
12615         PR c/39035
12616         * real.c (do_compare): Special-case compare of zero against
12617         decimal float value.
12618
12619 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
12620
12621         PR c/36432
12622         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
12623         as indicating flexible array members unless the field itself is
12624         being declarared as the incomplete array.
12625
12626 2009-02-06  Jan Hubicka  <jh@suse.cz>
12627
12628         PR tree-optimization/38844
12629         * ipa-inline.c (try_inline): Stop inlining recursion when edge
12630         is already inlined.
12631
12632 2009-02-06  Richard Guenther  <rguenther@suse.de>
12633
12634         PR middle-end/38977
12635         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
12636         fork because we may expand it as __gcov_fork.
12637
12638 2009-02-06  Nick Clifton  <nickc@redhat.com>
12639
12640         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
12641
12642 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
12643
12644         PR tree-optimization/35659
12645         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
12646         vn_phi_eq): Shortcut if hashcode does not match.
12647         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
12648         NULL operands.
12649         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
12650         and avoid iterative_hash_expr.
12651         (FOR_EACH_VALUE_ID_IN_SET): New.
12652         (value_id_compare): Remove.
12653         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
12654         sort expressions by value id.
12655
12656 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
12657
12658         PR target/38991
12659         * config/sh/predicates.md (general_movsrc_operand): Don't check
12660         the subreg of system registers here.
12661
12662 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
12663
12664         PR c++/39106
12665         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
12666         on the copied decl.
12667
12668 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
12669
12670         PR rtl-optimization/39110
12671         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
12672         addresses, not aligned ones.
12673
12674 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
12675             Richard Guenther  <rguenther@suse.de>
12676
12677         PR tree-optimization/39100
12678         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
12679         comment says and add edges.
12680
12681 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
12682
12683         PR c/35435
12684         * c-common.c (handle_tls_model_attribute): Ignore attribute for
12685         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
12686
12687 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
12688
12689         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
12690         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
12691         register_bb_in_sese, new_sese, free_sese): Moved.
12692         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
12693         outermost_loop_in_scop, build_scop_iteration_domain,
12694         expand_scalar_variables_ssa_name, get_vdef_before_scop,
12695         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
12696         Use loop_in_sese_p instead of loop_in_scop_p.
12697         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
12698         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
12699         (scopdet_basic_block_info): Fix bug in scop detection.
12700         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
12701         eq_loop_to_cloog_loop): Remove.
12702         (nb_loops_around_loop_in_scop, nb_loop
12703         ref_nb_loops): Moved here...
12704         * graphite.h (ref_nb_loops): ... from here.
12705         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
12706         (loop_domain_dim, loop_iteration_vector_dim): Remove.
12707         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
12708         * testsuite/gcc.dg/graphite/scop-19.c: New
12709
12710 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
12711             Hans-Peter Nilsson  <hp@axis.com>
12712
12713         PR rtl-optimization/37889
12714         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
12715         Move offset handling from PLUS to before the switch.  Use new
12716         arguments when considering SYMBOL_REFs too.
12717         (rtx_addr_can_trap_p): Pass dummy offset and size.
12718         (enum may_trap_p_flags): Remove.
12719         (may_trap_p_1): Pass size from MEM_SIZE.
12720
12721         PR rtl-optimization/38921
12722         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
12723         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
12724         * rtlanal.c (may_trap_after_code_motion_p): Delete.
12725         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
12726
12727 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
12728
12729         AVX Programming Reference (January, 2009)
12730         * config/i386/sse.md (*vpclmulqdq): New.
12731
12732 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
12733
12734         PR tree-optimization/38977
12735         PR gcov-profile/38292
12736         * calls.c (special_function_p): Disregard __builtin_ prefix.
12737
12738 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
12739
12740         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
12741         non-indexable addresses even before reload.
12742
12743 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
12744
12745         PR c/29129
12746         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
12747         as having variable size.  Do not give an error for unnamed
12748         parameters with [*] declarators.  Give a warning for type names
12749         with [*] declarators and mark them as variable size.
12750         * c-parser.c (c_parser_sizeof_expression): Do not give an error
12751         for sizeof applied to [*] type names.
12752
12753 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12754
12755         PR C++/36607
12756         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
12757
12758 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
12759
12760         * gcc.c (process_command): Update copyright notice dates.
12761         * gcov.c (print_version): Likewise.
12762         * gcov-dump.c (print_version): Likewise.
12763         * mips-tfile.c (main): Likewise.
12764         * mips-tdump.c (main): Likewise.
12765
12766 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
12767
12768         PR c/35433
12769         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
12770         for composite type involving a zero-length array type.
12771
12772 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
12773
12774         PR target/35318
12775         * function.c (match_asm_constraints_1): Skip over
12776         initial optional % in the constraint.
12777
12778         PR inline-asm/39059
12779         * c-parser.c (c_parser_postfix_expression): If fixed point is not
12780         supported, don't accept FIXED_CSTs.
12781         * c-decl.c (finish_declspecs): Error if fixed point is not supported
12782         and _Sat is used without _Fract/_Accum.  Set specs->type to
12783         integer_type_node for cts_fract/cts_accum if fixed point is not
12784         supported.
12785
12786 2009-02-02  Catherine Moore  <clm@codesourcery.com>
12787
12788         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
12789
12790 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
12791
12792         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
12793         (ABI_HAS_64BIT_SYMBOLS): Use it.
12794         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
12795
12796 2009-02-02  Paul Brook  <paul@codesourcery.com>
12797
12798         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
12799
12800 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
12801
12802         PR inline-asm/39058
12803         * recog.h (asm_operand_ok): Add constraints argument.
12804         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
12805         recurse on matching constraint.
12806         (check_asm_operands): Pass constraints as 3rd argument to
12807         asm_operand_ok.  Don't look up matching constraint here.
12808         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
12809         to asm_operand_ok.
12810
12811 2009-02-02  Ben Elliston  <bje@au.ibm.com>
12812
12813         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
12814         TARGET_NARROW_VOLATILE_BITFIELD macro names.
12815
12816 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12817
12818         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
12819         information.  Remove some obsolete information.  Reorganize.
12820
12821         * config/pa/fptr.c: Revert license to GPL 2.
12822         * config/pa/milli64.S: Likewise.
12823
12824 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
12825
12826         PR target/38904
12827         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
12828         LIBRARY name in, instead of hard-coding it.
12829         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
12830         extra target make frag to tmake_files according to EH model.
12831         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
12832         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
12833         frags that define makefile variable EH_MODEL appropriately.
12834         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
12835         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
12836         to "-sjlj" according to type of EH configured.
12837         (LIBGCC_SONAME):  Concatenate it to shared library base name.
12838         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
12839         to "_sjlj" according to type of EH configured.
12840         (LIBGCC_SONAME):  Concatenate it to shared library base name.
12841         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
12842         (SHLIB_LINK):  Add missing semicolon to if-else construct.
12843         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
12844         string value of "pe_dll" command-line option.
12845         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
12846         (SHLIB_SONAME):  Use it when overriding t-cygming default.
12847         (SHLIB_IMPLIB):  Override t-cygming default.
12848         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
12849         string value of "pe_dll" command-line option.
12850
12851 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
12852
12853         PR target/38952
12854         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
12855         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
12856
12857 2009-01-31  Richard Guenther  <rguenther@suse.de>
12858
12859         PR tree-optimization/38937
12860         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
12861         computing the transitive closure.
12862
12863 2009-01-30  Richard Guenther  <rguenther@suse.de>
12864
12865         PR tree-optimization/39041
12866         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
12867         Propagate variable indices only if the types match for this stmt.
12868
12869 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
12870
12871         PR target/39013
12872         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
12873         inline but never defined.
12874
12875 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
12876
12877         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
12878         (*insv_h_di_reg_extimm): New insn.
12879         (*insv_l<mode>_reg_extimm): New insn.
12880
12881 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
12882
12883         * config/picochip/picochip.c (flag_conserve_stack): set
12884         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
12885         fconserve-stack. Reduce call-overhead used by inliner.
12886
12887 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
12888
12889         PR/38157
12890         * common.opt (flag_conserve_stack): Initialised to zero.
12891
12892 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
12893
12894         PR/39002
12895         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
12896         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
12897         method.
12898
12899 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
12900
12901         * ira-color.c (allocno_reload_assign): Update comments.
12902         * regmove.c (regmove_optimize): Likewise.
12903
12904         * ra.h: Removed.
12905
12906 2009-01-29  Robert Millan  <rmh@aybabtu.com>
12907
12908         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
12909         * config/i386/kopensolaris-gnu.h: New file.  Undefine
12910         `MD_UNWIND_SUPPORT'.
12911         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
12912
12913 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
12914
12915         PR tree-optimization/39007
12916         * tree-loop-distribution.c (generate_builtin): Use
12917         recompute_dominator to compute the immediate dominator of the
12918         basic block just after the loop.
12919
12920 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12921
12922         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
12923         (ASM_OUTPUT_DWARF_PCREL): Define.
12924
12925 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
12926
12927         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
12928         * doc/passes.texi: Remove entries about regclass, local-alloc, and
12929         global.  Modify entries about regmove and IRA.
12930
12931         * ra-conflict.c: Remove the file.
12932
12933         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
12934
12935         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
12936         (pass_regclass_init): Rename to pass_reginfo_init.
12937
12938         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
12939
12940         * toplev.h (flag_ira): Remove.
12941
12942         * caller-save.c (setup_save_areas): Remove flag_ira.
12943
12944         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
12945
12946         * global.c: Remove the file.
12947
12948         * opts.c (decode_options): Remove flag_ira.
12949
12950         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
12951
12952         * regmove.c: Modify file description.
12953         (find_use_as_address, try_auto_increment): Define them only if
12954         AUTO_INC_DEC is defined.
12955         (replacement_quality, replace_in_call_usage, fixup_match_1,
12956         stable_and_no_regs_but_for_p): Remove.
12957         (reg_set_in_bb): Make it static.
12958         (regmove_optimize): Remove flag_ira and code which worked for
12959         !flag_ira.
12960
12961         * local-alloc.c: Remove the file.
12962
12963         * common.opt (fira): Remove.
12964
12965         * ira.c: Include except.h.
12966         (eliminable_regset): Move from global.c.
12967         (mark_elimination): Ditto.  Remove flag_ira.
12968         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
12969         equiv_mem_modified, validate_equiv_mem_from_store,
12970         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
12971         contains_replace_regs, memref_referenced_p, memref_used_between_p,
12972         no_equiv, recorded_label_ref): Move from local-alloc.c.
12973         (update_equiv_regs): Ditto.  Make it static.
12974         (print_insn_chain, print_insn_chains): Move it from global.c.
12975         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
12976         (build_insn_chain): Ditto.  Make it static.
12977         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
12978         Rename to init_live_subregs.
12979         (gate_ira): Remove flag_ira.
12980
12981         * regclass.c: Rename reginfo.c.  Change file description.
12982         (FORBIDDEN_INC_DEC_CLASSES): Remove.
12983         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
12984         (init_reg_sets_1): Remove code for evaluation of
12985         reg_class_superclasses and losing_caller_save_reg_set.
12986         (init_regs): Remove init_reg_autoinc.
12987         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
12988         ok_for_base_p_nonstrict): Remove.
12989         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
12990         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
12991         corresponding entries.
12992         (dump_regclass, record_operand_costs, scan_one_insn,
12993         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
12994         record_address_regs, auto_inc_dec_reg_p): Remove.
12995         (gt-regclass.h): Rename to gt-reginfo.h.
12996
12997         * rtl.h (dump_global_regs, retry_global_alloc,
12998         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
12999
13000         * Makefile.in (RA_H): Remove.
13001         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
13002         Rename regclass.o to reginfo.o.
13003         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
13004         gt-reginfo.h.
13005         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
13006         (GTFILES): Rename regclass.c to reginfo.c.
13007
13008         * passes.c (init_optimization_passes): Remove pass_local_alloc and
13009         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
13010
13011         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
13012         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
13013         Remove flag_ira.
13014         (finish_spills): Ditto.  Remove code for !flag_ira.
13015
13016 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
13017
13018         PR middle-end/35854
13019         * doc/invoke.texi (rtl debug options): Complete rewrite.
13020         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
13021         to auto_inc_dec".
13022         * mode-switching.c (pass_mode_switching): Rename pass from
13023         "mode-sw" to "mode_sw".
13024         * except.c (pass_convert_to_eh_ranges): Rename pass from
13025         "eh-ranges" to "eh_ranges".
13026         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
13027         to "subreg1".
13028
13029
13030 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
13031             Alexander Monakov  <amonakov@ispras.ru>
13032
13033         PR middle-end/38857
13034         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
13035         register.
13036         (move_exprs_to_boundary): Change return type and pass through
13037         should_move from move_op.  Relax assert.  Update usage ...
13038         (schedule_expr_on_boundary): ... here.  Use should_move instead of
13039         cant_move.
13040         (move_op_orig_expr_found): Indicate that insn was disconnected from
13041         stream.
13042         (code_motion_process_successors): Do not call after_merge_succs
13043         callback if original expression was not found when traversing any of
13044         the branches.
13045         (code_motion_path_driver): Change return type.  Update prototype.
13046         (move_op): Update comment.  Add a new parameter (should_move).  Update
13047         prototype.  Set *should_move based on indication provided by
13048         move_op_orig_expr_found.
13049
13050 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13051
13052         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
13053         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
13054         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
13055         * config/rs6000/rs6000.c (rs6000_override_options): Default
13056         avoid-indexed-addresses on for Power6, off for everything else.
13057         (avoiding_indexed_address_p): New function.
13058         (rs6000_legitimize_address): Use it.
13059         (rs6000_legitimate_address): Likewise.
13060         * config/rs6000/rs6000.md (movXX_updateX): Likewise
13061
13062 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
13063
13064         PR tree-optimization/38997
13065         * tree-loop-distribution.c (generate_memset_zero): Use
13066         POINTER_PLUS_EXPR for a pointer addition.
13067
13068 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
13069
13070         * config/s390/s390.md (bswap<mode>2): New pattern added.
13071
13072 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13073
13074         * config/s390/s390.md (*tls_load_31): Added type attribute.
13075
13076 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13077
13078         * config/s390/s390.md: Fix a few comments.
13079
13080 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13081
13082         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
13083         (*tm<mode>_full): Fixed z10prop attribute.
13084         (*tst<mode>_extimm): Fixed z10prop attribute.
13085         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
13086         (*tstqiCCT_cconly): Fixed z10prop attribute.
13087         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
13088         (*movsi_larl): Fixed z10prop attribute.
13089         (*movsi_zarch): Fixed z10prop attribute.
13090         (*movsi_eas): Fixed z10prop attribute.
13091         (*movhi): Fixed z10prop attribute.
13092         (*movqi): Fixed z10prop attribute.
13093         (*movstrictqi): Fixed z10prop attribute.
13094         (*mov<mode>): Fixed z10prop attribute.
13095         (*movcc): Fixed z10prop attribute.
13096         (*sethighpartdi_64): Fixed z10prop attribute.
13097         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
13098         (*negdi2_sign_cc): Fixed z10prop attribute.
13099         (*negdi2_sign): Fixed z10prop attribute.
13100         (*absdi2_sign_cc): Fixed z10prop attribute.
13101         (*absdi2_sign): Fixed z10prop attribute.
13102         (*negabsdi2_sign_cc): Fixed z10prop attribute.
13103         (*negabsdi2_sign): Fixed z10prop attribute.
13104         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
13105         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
13106         (doloop_si64): Fixed z10prop attribute.
13107         (doloop_si31): Fixed z10prop attribute.
13108         (doloop_long): Fixed z10prop attribute.
13109         (indirect_jump): Fixed z10prop attribute.
13110         (nop): Fixed z10prop attribute.
13111         (main_base_64): Fixed z10prop attribute.
13112         (reload_base_64): Fixed z10prop attribute.
13113
13114 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
13115
13116         PR rtl-optimization/38740
13117         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
13118         if !optimize.
13119         * config/mips/mips.c (mips_reorg): Likewise.
13120
13121 2009-01-28  Richard Guenther  <rguenther@suse.de>
13122
13123         PR tree-optimization/38926
13124         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
13125         with the correct value id to a value.
13126         (do_regular_insertion): Use the value number of edoubleprime
13127         for the value number of the expr.
13128
13129         Revert
13130         2008-08-21  Richard Guenther  <rguenther@suse.de>
13131
13132         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
13133         a PHI ask VN if it is already available.
13134         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
13135         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
13136
13137 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
13138
13139         PR middle-end/38934
13140         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
13141         set to varying whenever max has TREE_OVERFLOW set, similarly
13142         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
13143
13144 2009-01-28  Richard Guenther  <rguenther@suse.de>
13145
13146         PR middle-end/38908
13147         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
13148         uninitialized aggregate uses in call arguments.
13149
13150 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
13151
13152         PR tree-optimization/38984
13153         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
13154         the nothing_id variable if -fno-delete-null-pointer-checks.
13155
13156 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
13157
13158         PR target/38988
13159         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
13160         (set_got_offset_rex64): Ditto.
13161
13162 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13163
13164         PR target/38941
13165         * doc/extend.texi: Improve local variable with asm reg.
13166
13167 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
13168
13169         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
13170         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
13171         was not supplied then set warn_packed_bitfield_compat to the
13172         default value of 1.
13173         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
13174         against 1.
13175
13176 2009-01-27  Richard Guenther  <rguenther@suse.de>
13177
13178         PR tree-optimization/38503
13179         * cfgexpand.c (expand_gimple_basic_block): Ignore
13180         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
13181         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
13182         variables that cannot have TBAA applied.
13183         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
13184         statements.
13185
13186 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
13187
13188         PR middle-end/38969
13189         * calls.c (initialize_argument_information): Do not wrap complex
13190         arguments in SAVE_EXPR.
13191
13192 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
13193
13194         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
13195         (INSTALL_LIBGCC): Revert typo commit.
13196
13197 2009-01-26  Richard Guenther  <rguenther@suse.de>
13198
13199         PR tree-optimization/38745
13200         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
13201         from special handling.
13202
13203 2009-01-26  Richard Guenther  <rguenther@suse.de>
13204
13205         PR tree-optimization/38745
13206         * tree-ssa.c (execute_update_addresses_taken): Do not include
13207         variables that cannot possibly be a register in not_reg_needs.
13208         Do not clear TREE_ADDRESSABLE on vars that may not become
13209         registers.
13210         * tree-ssa.c (update_alias_info_1): Include those in the set
13211         of addressable vars.
13212
13213 2009-01-26  Richard Guenther  <rguenther@suse.de>
13214
13215         PR middle-end/38851
13216         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
13217         * tree-ssa-dse.c: Include langhooks.h
13218         (execute_simple_dse): Remove stores with zero size.
13219
13220 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
13221
13222         PR c/38957
13223         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
13224         as PLUS_EXPR.
13225
13226 2009-01-24  Julian Brown  <julian@codesourcery.com>
13227
13228         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
13229         config/arm/linux-atomic.c.
13230         * config/arm/linux-atomic.c: New.
13231
13232 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
13233
13234         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
13235         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
13236         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
13237
13238 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
13239
13240         PR c/38938
13241         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
13242         properly.
13243
13244 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
13245
13246         PR tree-optimization/38953
13247         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
13248         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
13249         (gloog): Split the exit of the scop when the scop exit is a loop exit.
13250         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
13251         changed the CFG.
13252
13253 2009-01-24  Paul Brook  <paul@codesourcery.com>
13254
13255         * config/arm/neon.md (neon_type): Move to arm.md.
13256         (neon_mov<VSTRUCT>): Add neon_type attribute.
13257         * config/arm/arm.md (neon_type): Move to here.
13258         (conds): Add "unconditioal" and use as default for NEON insns.
13259
13260 2009-01-24  Ben Elliston  <bje@au.ibm.com>
13261
13262         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
13263         void *' warning from -Wc++-compat.
13264         * Makefile.in (dominance.o-warn): Remove.
13265
13266 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
13267
13268         PR tree-optimization/38932
13269         * fold-const.c (fold_unary_ignore_overflow): New.
13270         * tree.h (fold_unary_ignore_overflow): Declare.
13271         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
13272         * tree-ssa-sccvn.c (visit_reference_op_load,
13273         simplify_unary_expression): Likewise.
13274
13275 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
13276
13277         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
13278         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
13279         regardless of their type.
13280         * c-common.c (handle_packed_attribute): Don't ignore packed on
13281         bitfields.
13282         * c.opt (Wpacked-bitfield-compat): New warning option.
13283         * stor-layout.c (place_field): Warn if offset of a field changed.
13284         * doc/extend.texi (packed): Mention the ABI change.
13285         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
13286         (Warning Options): Add it to the list.
13287
13288 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
13289
13290         * c-opts.c (c_common_post_options): Fix a typo in comments.
13291
13292 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
13293
13294         PR middle-end/38615
13295         * gimplify.c (gimplify_init_constructor): Fix promotion of const
13296         variables to static.
13297         * doc/invoke.texi (-fmerge-all-constants): Update description.
13298
13299 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
13300
13301         PR target/38931
13302         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
13303         (*movdi_1_rex64): Use type "mmx" for alternative 5.
13304
13305 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
13306
13307         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
13308         a word boundary.
13309         (LOCAL_ALIGNMENT): Similarly.
13310
13311 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
13312             Joseph Myers  <joseph@codesourcery.com>
13313
13314         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
13315         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
13316         * config/arm/arm-tune.md: Regenerate.
13317         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
13318         -march=iwmmxt2.
13319
13320 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
13321
13322         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
13323         version number to five.
13324
13325 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
13326
13327         PR c++/38930
13328         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
13329         * c-common.c (set_underlying_type): Likewise.
13330         (is_typedef_decl ): Likewise
13331         * tree.h: Likewise
13332         (set_underlying_type): Likewise.
13333         (is_typedef_type): Likewise.
13334
13335 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
13336
13337         PR middle-end/38587
13338         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
13339         crossing setjmps.
13340
13341 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
13342
13343         PR bootstrap/37660
13344         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
13345         (LIBGCC_SPEC):  Don't define.
13346         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
13347
13348 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
13349
13350         PR rtl-optimization/38879
13351         * alias.c (base_alias_check): Unaligned access via AND address can
13352         alias all surrounding object types except those with sizes equal
13353         or wider than the size of unaligned access.
13354
13355 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
13356
13357         PR c++/26693
13358         * c-decl.c (clone_underlying_type): Move this ...
13359         * c-common.c (set_underlying_type): ... here.
13360         Also, make sure the function properly sets TYPE_STUB_DECL() on
13361         the newly created typedef variant type.
13362         (is_typedef_decl ): New entry point.
13363         * tree.h: Added a new member member_types_needing_access_check to
13364         struct tree_decl_non_common.
13365         (set_underlying_type): New entry point.
13366         (is_typedef_type): Likewise.
13367
13368 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
13369
13370         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
13371         Check whether two instructions have memory references that
13372         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
13373         are helper functions for traversing.
13374         * alias.h (insn_alias_sets_confilict_p): New prototypes.
13375         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
13376         not to draw dependency edge for instructions with non-conflicting
13377         alias sets.
13378
13379 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
13380
13381         PR other/38758
13382         * longlong.h: Update copyright years.  Use soft-fp license notice.
13383         Sync __clz_tab declaration with glibc.
13384
13385 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
13386
13387         PR target/30687
13388         * doc/extend.texi (syscall_linkage): New.
13389         (version_id): Modify.
13390
13391 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13392             Richard Guenther  <rguenther@suse.de>
13393
13394         PR tree-optimization/38747
13395         PR tree-optimization/38748
13396         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
13397         conversion if the base address is an indirect reference and the
13398         aliasing sets could cause issues.
13399
13400 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
13401
13402         * common.opt (fgraphite, fgraphite-identity): Add comment for
13403         explaining why these options are not documented.
13404
13405 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
13406
13407         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
13408         gimple_call_lhs is NULL.
13409
13410 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
13411
13412         PR target/38868
13413         * emit-rtl.c (adjust_address_1): Make sure memref is never
13414         overwritten.
13415
13416 2009-01-20  Ben Elliston  <bje@au.ibm.com>
13417
13418         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
13419         const qualifier from arg parameter. Remove unnecessary cast to char *.
13420         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
13421         const qualifier from arg 2.
13422
13423 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
13424
13425         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
13426
13427 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
13428
13429         PR c/38869
13430         * rtl.h (reinit_regs): New prototype.
13431         * regclass.c: Include ira.h.
13432         (reinit_regs): New.
13433         * Makefile.in (regclass.o): Add ira.h.
13434         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
13435
13436 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
13437
13438         PR target/38736
13439         * c-common.c (handle_aligned_attribute): Use
13440         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
13441         default alignment value.
13442
13443         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
13444
13445         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
13446         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
13447
13448         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
13449         __BIGGEST_ALIGNMENT__.
13450
13451         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
13452
13453 2009-01-18  Richard Guenther  <rguenther@suse.de>
13454
13455         PR tree-optimization/38819
13456         * tree-flow.h (operation_could_trap_helper_p): Declare.
13457         * tree-eh.c (operation_could_trap_helper_p): Export.
13458         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
13459         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
13460         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
13461         are about to insert a possibly trapping instruction and fail
13462         in this case.
13463
13464 2009-01-18  Andreas Schwab  <schwab@suse.de>
13465
13466         * doc/install.texi (Configuration): Remove obsolete paragraph
13467         about use of --with-gnu-ld with --with-gnu-as.
13468
13469 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
13470
13471         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
13472         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
13473         Follow spelling conventions.
13474
13475 2009-01-18  Ben Elliston  <bje@au.ibm.com>
13476
13477         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
13478         C++ warning about implicit conversion from void * to struct
13479         bitmap_head_def *.
13480         (bitmap_obstack_free): Likewise for bitmap_element *.
13481         * Makefile.in (bitmap.o-warn): Remove.
13482
13483 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
13484
13485         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
13486
13487 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
13488             Tobias Grosser  <tobi.grosser@amd.com>
13489
13490         * graphite.c (graphite_trans_scop_block): Do not block single
13491         nested loops.
13492
13493 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
13494
13495         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
13496         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
13497         test with assertion.
13498
13499 2009-01-16  Richard Guenther  <rguenther@suse.de>
13500
13501         PR tree-optimization/38835
13502         PR middle-end/36227
13503         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
13504         and INT + PTR -> (INT)(PTR p+ INT) folding.
13505         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
13506
13507 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
13508
13509         PR target/38554
13510         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
13511         the subreg from a lowpart subreg if it is also casting the value.
13512
13513 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13514             Tobias Grosser  <tobi.grosser@amd.com>
13515
13516         * graphite.c (compare_prefix_loops): New.
13517         (build_scop_canonical_schedules): Rewritten.
13518         (graphite_transform_loops): Move build_scop_canonical_schedules
13519         after build_scop_iteration_domain.
13520
13521 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13522             Tobias Grosser  <tobi.grosser@amd.com>
13523
13524         * graphite.c (add_conditions_to_domain): Add the loops to
13525         the dimension of the iteration domain.  Do copy the domain
13526         only when it exists.
13527         (build_scop_conditions_1): Do not call add_conditions_to_domain.
13528         (add_conditions_to_constraints): New.
13529         (can_generate_code_stmt, can_generate_code): Removed.
13530         (gloog): Do not call can_generate_code.
13531         (graphite_transform_loops): Call add_conditions_to_constraints
13532         after building the iteration domain.
13533
13534 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
13535
13536         PR tree-optimization/38789
13537         * tree-ssa-threadedge.c
13538         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
13539         __builtin_constant_p.
13540
13541 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
13542
13543         * dce.c (delete_unmarked_insns): Reversed the order that insns are
13544         examined before deleting them.
13545
13546 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
13547
13548         * function.c (aggregate_value_p): Correctly extract the function
13549         type from CALL_EXPR_FN lookup.
13550
13551 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
13552
13553         * config/picochip/picochip.c (picochip_override_options): Revert
13554         CFI asm flag disable commited previously.
13555
13556 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
13557             Tobias Grosser  <tobi.grosser@amd.com>
13558             Jan Sjodin  <jan.sjodin@amd.com>
13559
13560         * graphite.c (scan_tree_for_params): On substractions negate
13561         all the coefficients of the term.
13562         (clast_to_gcc_expression_red): New.  Handle reduction expressions
13563         of more than two operands.
13564         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
13565         (get_vdef_before_scop): Handle also the case of default definitions.
13566
13567 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
13568
13569         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
13570         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
13571         Also use them when walking CALL_INSN_FUNCTION_USAGE.
13572
13573 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
13574             Joey Ye  <joey.ye@intel.com>
13575
13576         PR middle-end/37843
13577         * cfgexpand.c (expand_stack_alignment): Don't update stack
13578         boundary nor check incoming stack boundary here.
13579         (gimple_expand_cfg): Update stack boundary and check incoming
13580         stack boundary here.
13581
13582 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
13583
13584         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
13585
13586 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
13587
13588         PR rtl-optimization/38245
13589         * calls.c (expand_call): Add stack arguments to
13590         CALL_INSN_FUNCTION_USAGE even for pure calls (when
13591         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
13592         in regs and partially in memory or BLKmode arguments.
13593         (emit_library_call_value_1): Add stack arguments to
13594         CALL_INSN_FUNCTION_USAGE even for pure calls (when
13595         ACCUMULATE_OUTGOING_ARGS).
13596         * dce.c: Include tm_p.h.
13597         (find_call_stack_args): New function.
13598         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
13599         argument.
13600         (mark_insn): Call find_call_stack_args for CALL_Ps.
13601         (prescan_insns_for_dce): Walk insns backwards in bb rather than
13602         forwards.  Allocate and free arg_stores bitmap if needed, pass it
13603         down to deletable_insn_p, don't mark stores set in arg_stores
13604         bitmap, clear the bitmap at the beginning of each bb.
13605         * Makefile.in (dce.o): Depend on $(TM_P_H).
13606
13607 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
13608
13609         PR target/22599
13610         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
13611         to make sure the insn is a conditional test (bug 22599).  Reformat a
13612         few long lines.
13613
13614 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
13615
13616         PR middle-end/38431
13617         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
13618         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
13619         (gloog): Do not call cleanup_tree_cfg.
13620         (graphite_transform_loops): Call cleanup_tree_cfg after all
13621         scops have been code generated.
13622
13623 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
13624         * doc/gty.texi (Invoking the garbage collector): Added new node
13625         and section documenting ggc_collect.
13626
13627 2009-01-14  Richard Guenther  <rguenther@suse.de>
13628
13629         PR tree-optimization/38826
13630         PR middle-end/38477
13631         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
13632         initialization notes only if we actually emitted a warning.
13633         (intra_create_variable_infos): Add constraints for a result decl
13634         that is passed by hidden reference.
13635         (build_pred_graph): Mark all related variables non-direct on
13636         address-taking.
13637
13638 2009-01-14  Nick Clifton  <nickc@redhat.com>
13639
13640         * ira-conflicts.c: Include addresses.h for the definition of
13641         base_reg_class.
13642         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
13643         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
13644
13645 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
13646
13647         PR target/38811
13648         * Makefile.in (ira-lives.o): Add except.h.
13649
13650         * ira-lives.c: Include except.h.
13651         (process_bb_node_lives): Process can_throw_internal.
13652
13653 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
13654
13655         PR rtl-optimization/38774
13656         * combine.c (simplify_set): When undoing cc_use change, don't do
13657         PUT_CODE on the newly created comparison, but instead put back the
13658         old comparison.
13659
13660 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
13661
13662         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
13663         values.  Remove duplicate arm8 entry.
13664
13665 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
13666
13667         PR tree-optimization/38786
13668         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
13669         the SSA_NAME case of expand_scalar_variables_expr.
13670         Set the type of an expression to the type of its assign statement.
13671         (expand_scalar_variables_expr): Also gather the scalar computation
13672         used to index the memory access.  Do not pass loop_p.
13673         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
13674         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
13675         the gimple_stmt_iterator where it inserts new code.
13676         Do not pass loop_p.
13677         (copy_bb_and_scalar_dependences): Do not pass loop_p.
13678         (translate_clast): Update call to copy_bb_and_scalar_dependences.
13679
13680 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
13681
13682         * graphite.h (debug_value): Removed.
13683         * graphite.c (debug_value): Removed.
13684
13685 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
13686
13687         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
13688         ldrd/strd with two 32-bit instructions.
13689
13690 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
13691
13692         * config/arm/arm.c (struct processors): Pass for speed down into
13693         cost helper functions.
13694         (const_ok_for_op): Handle COMPARE and inequality nodes.
13695         (arm_rtx_costs_1): Rewrite.
13696         (arm_size_rtx_costs): Update prototype.
13697         (arm_rtx_costs): Pass speed down to helper functions.
13698         (arm_slowmul_rtx_costs): Rework cost calculations.
13699         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
13700         (arm_9e_rtx_costs): Likewise.
13701
13702 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
13703
13704         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
13705         relocations of local symbols wider than UNITS_PER_WORD are not valid.
13706         (alpha_legitimize_address): Do not split local symbols wider than
13707         UNITS_PER_WORD into HIGH/LO_SUM parts.
13708
13709 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
13710
13711         PR bootstrap/38580
13712         * gcc.c (process_command): Replace call to execvp with calls
13713         to pex_one and exit.
13714
13715 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
13716
13717         PR target/29141
13718         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
13719         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
13720         variant for devices with 3-byte PC.
13721         (__tablejump_elpm__): New.
13722
13723 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
13724
13725         PR c/32041
13726         * c-parser.c (c_parser_postfix_expression): Allow `->' in
13727         offsetof member-designator, handle it as `[0].'.
13728
13729 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13730
13731         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
13732         function when not using named sections on targets with named sections
13733         if branch distance is less than 262132.
13734
13735 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
13736
13737         * combine.c (combine_instructions):  Recompute
13738         optimize_this_for_speed_p  for each BB in the main combine loop.
13739
13740 2009-01-12  Tomas Bily  <tbily@suse.cz>
13741
13742         PR middlend/38385
13743         * tree-loop-distribution.c (prop_phis): New function.
13744         (generate_builtin): Call prop_phis.
13745         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
13746
13747 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
13748
13749         PR tree-optimization/38807
13750         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
13751         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
13752
13753 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
13754
13755         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
13756         subreg of op0 to the original op0.
13757
13758 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
13759
13760         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
13761
13762 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
13763
13764         PR debug/7055
13765         * mips-tfile.c (parse_def): Fix parsing of def strings
13766         starting with digits.
13767
13768 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
13769
13770         PR target/38695
13771         * config/arm/arm.c (arm_is_long_call_p): Don't call
13772         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
13773
13774 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
13775
13776         * regrename.c (regrename_optimize): Fix dumping.
13777         (find_oldest_value_reg): Preserve REG_POINTER.
13778         (copy_hardreg_forward_1): Likewise.
13779
13780 2009-01-09  Diego Novillo  <dnovillo@google.com>
13781
13782         * gimple.h (struct gimple_statement_base) <uid>: Document
13783         the restrictions on its use.
13784         (gimple_uid): Tidy.
13785         (gimple_set_uid): Tidy.
13786
13787 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
13788
13789         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
13790         zero guard even if align_bytes != 0 and count is smaller than
13791         size_needed.
13792
13793 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
13794
13795         PR rtl-optimization/38495
13796         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
13797         (add_range_and_copies_from_move_list): Print all added ranges.
13798         Add ranges to memory optimized destination.
13799
13800 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
13801
13802         PR target/38686
13803         PR target/38708
13804         * config/i386/i386.c (override_options): Reject
13805         -mstringop-strategy=rep_8byte with -m32.
13806         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
13807         to 1.  Do count comparison against epilogue_size_needed at compile
13808         time even when count_exp was constant forced into register.  For
13809         size_needed don't jump to epilogue, instead just avoid aligning
13810         and invoke the body algorithm.  If need_zero_guard, add zero guard
13811         even if count is non-zero, but smaller than size_needed + number of
13812         bytes that could be stored for alignment.
13813         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
13814         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
13815         but smaller than size_needed + number of bytes that could be stored
13816         for alignment.  Compare size_needed with epilogue_size_needed instead
13817         of desired_align - align, don't adjust size_needed, pass
13818         epilogue_size_needed to the epilogue expanders.
13819
13820         PR c/35742
13821         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
13822
13823 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13824
13825         * pa.c (last_address): Change to unsigned.
13826         (update_total_code_bytes): Change argument to unsigned.  Don't
13827         check if insn addresses are set.
13828         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
13829         addresses are not set.
13830         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
13831
13832 2009-01-09  Nick Clifton  <nickc@redhat.com>
13833
13834         * config/sh/symbian.c: Replace uses of DECL_INLINE with
13835         DECL_DECLARED_INLINE_P.
13836
13837 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
13838
13839         PR middle-end/38347
13840         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
13841         GET_MODE (op0) in operand_subword_force calls.
13842
13843         PR middle-end/38771
13844         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
13845         fold_convert arg0 operands to TREE_TYPE (op0) first.
13846
13847 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
13848
13849         * params.def (ira-max-conflict-table-size): Decrease default value
13850         to 1000.
13851
13852 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
13853
13854         PR tree-optimization/37031
13855         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
13856         on parameter_set.
13857         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
13858         allocate it using gc instead of heap, use VEC_quick_push instead of
13859         VEC_safe_push.
13860         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
13861         instead of heap, use VEC_quick_push instead of VEC_safe_push.
13862         * tree-data-ref.h (struct access_matrix): Change matrix to gc
13863         allocated vector from heap allocated.
13864         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
13865         * tree-loop-linear.c (linear_transform_loops): Allocate nest
13866         vector only after perfect_loop_nest_depth call.
13867
13868 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
13869             Jan Sjodin  <jan.sjodin@amd.com>
13870
13871         PR tree-optimization/38559
13872         * graphite.c (debug_value, copy_constraint,
13873         swap_constraint_variables, scale_constraint_variable, ): New.
13874         (get_lower_bound, get_upper_bound): Removed.
13875         (graphite_trans_bb_strip_mine): Clean up this code that works
13876         only for constant number of iterations.  Fully copy upper and
13877         lower bound constraints, not only the constant part of them.
13878         * graphite.h (debug_value): Declared.
13879
13880 2009-01-08  Ira Rosen  <irar@il.ibm.com>
13881
13882         PR tree-optimization/37194
13883         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
13884         Don't add the cost of cost model guard in prologue to scalar
13885         outside cost in case of known number of iterations.
13886
13887 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
13888             Alan Modra  <amodra@bigpond.net.au>
13889
13890         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
13891         non-word-aligned REG+CONST addressing.
13892
13893 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
13894
13895         PR target/38706
13896         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
13897         free_after_compilation when outputting a thunk.
13898         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
13899         Do not call free_after_compilation here.
13900
13901 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
13902
13903         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
13904         (ix86_valid_target_attribute_inner_p): Ditto.
13905
13906 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
13907
13908         PR tree-optimization/38492
13909         PR tree-optimization/38498
13910         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
13911         * tree-chrec.h (scev_is_linear_expression): Declared.
13912         * graphite.c (graphite_cannot_represent_loop_niter): New.
13913         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
13914         (graphite_loop_normal_form): Use gcc_assert.
13915         (scan_tree_for_params): Use CASE_CONVERT.
13916         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
13917         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
13918         Use gcc_assert.  Discard scops that contain unhandled cases.
13919         (build_scop_conditions): Return a boolean status for unhandled cases.
13920         (strip_mine_profitable_p): Print the loop number, not its depth.
13921         (is_interchange_valid): Pass the depth of the loop nest, don't
13922         recompute it wrongly.
13923         (graphite_trans_bb_block): Same.
13924         (graphite_trans_bb_block): Print tentative of loop blocking.
13925         (graphite_trans_scop_block): Do not print that the loop has been
13926         blocked.
13927         (graphite_transform_loops): Do not handle scops that contain condition
13928         scalar phi nodes.
13929
13930 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13931
13932         AVX Programming Reference (December, 2008)
13933         * config/i386/avxintrin.h (_mm256_stream_si256): New.
13934         (_mm256_stream_pd): Likewise.
13935         (_mm256_stream_ps): Likewise.
13936
13937         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
13938         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
13939         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
13940         (bdesc_special_args): Add __builtin_ia32_movntdq256,
13941         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
13942         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
13943         (ix86_expand_special_args_builtin): Likewise.
13944
13945         * config/i386/sse.md (AVXMODEDI): New.
13946         (avx_movnt<mode>): Likewise.
13947         (avx_movnt<mode>): Likewise.
13948         (<sse>_movnt<mode>): Remove AVX support.
13949         (sse2_movntv2di): Likewise.
13950
13951 2009-01-07  Richard Guenther  <rguenther@suse.de>
13952
13953         PR middle-end/38751
13954         * fold-const.c (extract_muldiv): Remove obsolete comment.
13955         (fold_plusminus_mult_expr): Undo MINUS_EXPR
13956         to PLUS_EXPR canonicalization for the canonicalization.
13957
13958 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
13959
13960         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
13961         hosted cross-compilers generating less efficient code.
13962
13963 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13964
13965         * function.h (rtl_data): Add a dbr_scheduled_p field.
13966         * reorg.c (dbr_schedule): Set it.
13967         (gate_handle_delay_slots): Check it.
13968         * config/mips/mips.c (mips_base_delayed_branch): Delete.
13969         (mips_reorg): Check flag_delayed_branch instead of
13970         mips_base_delayed_branch.
13971         (mips_override_options): Don't set mips_base_delayed_branch
13972         or flag_delayed_branch.
13973
13974 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
13975
13976         PR rtl-optimization/38426.
13977         * ira.c (ira): Set current_function_is_leaf earlier.
13978
13979 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
13980
13981         PR rtl-optimization/38722
13982         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
13983         too early, only set a flag and modify after last possible
13984         undo_all point.
13985
13986 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
13987
13988         PR c/34252
13989         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
13990         * real.c (decimal_single_format): Correct values of emin and emax.
13991         (decimal_double_format): Ditto.
13992         (decimal_quad_format): Ditto.
13993         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
13994         computation of DECnn_MIN and DECnn_MAX for corrected values of
13995         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
13996         __DECnn_MIN__, and adjust its computation for the corrected value
13997         of emin.
13998
13999 2009-01-06  Jan Hubicka  <jh@suse.cz>
14000
14001         PR target/38744
14002         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
14003
14004 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
14005
14006         * doc/contrib.texi (Contributors): Slightly adjust the end note.
14007         Add Robert Clark to the list of testers.
14008
14009 2009-01-06  Jan Hubicka  <jh@suse.cz>
14010             Kai Tietz  <kai.tietz@onevision.com>
14011
14012         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
14013         * config/i386/i386.c (ix86_expand_call): Add clobbers.
14014
14015 2009-01-06  Jan Hubicka  <jh@suse.cz>
14016             Kai Tietz  <kai.tietz@onevision.com>
14017
14018         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
14019         for w64 ABI.
14020         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
14021         (ix86_nsaved_regs): Count only general purpose regs.
14022         (ix86_nsaved_sseregs): New.
14023         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
14024         to 16 for w64; compute padding and size of sse reg save area.
14025         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
14026         general purpose regs.
14027         (ix86_emit_save_sse_regs_using_mov): New.
14028         (ix86_expand_prologue): Save SSE regs if needed.
14029         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
14030         (ix86_emit_restore_sse_regs_using_mov): New.
14031         (ix86_expand_epilogue): Save SSE regs if needed.
14032
14033 2009-01-06  Jan Hubicka  <jh@suse.cz>
14034             Kai Tietz  <kai.tietz@onevision.com>
14035
14036         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
14037         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
14038         functions when accumulate outgoing args is off.
14039
14040 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
14041
14042         PR bootstrap/38742
14043         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
14044         before using pseudos_have_intersected_live_ranges_p.
14045
14046         * ira-int.h (ira_assert): Always define.
14047
14048 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
14049
14050         AVX Programming Reference (December, 2008)
14051         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
14052         (_mm256_permute2_pd): Likewise.
14053         (_mm_permute2_ps): Likewise.
14054         (_mm256_permute2_ps): Likewise.
14055         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
14056         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
14057
14058         * config/i386/i386.c (ix86_builtins): Remove
14059         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
14060         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
14061         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
14062         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
14063         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
14064         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
14065         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
14066         __builtin_ia32_vpermil2ps256.
14067         (ix86_init_mmx_sse_builtins): Updated.
14068         (ix86_expand_args_builtin): Likewise.
14069
14070 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14071
14072         * pa.c (output_call): Relocate non-jump insns in the delay slot of
14073         long absolute calls when generating PA 2.0 code.
14074
14075 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
14076
14077         PR rtl-optimization/38583
14078         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
14079
14080         * params.def (ira-max-conflict-table-size): New.
14081
14082         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
14083
14084         * ira.h (ira_conflicts_p): New external definition.
14085
14086         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
14087         table.  Report this.  Return result of building.
14088         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
14089         building conflict table.
14090
14091         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
14092         (ira_color): Use ira_conflicts_p.
14093
14094         * global.c: Include ira.h.
14095         (pseudo_for_reload_consideration_p, build_insn_chain): Use
14096         ira_conflicts_p.
14097
14098         * Makefile.in (global.o): Add ira.h.
14099
14100         * ira-build.c (mark_all_loops_for_removal,
14101         propagate_some_info_from_allocno): New.
14102         (remove_unnecessary_allocnos): Call
14103         propagate_some_info_from_allocno.
14104         (remove_low_level_allocnos): New.
14105         (remove_unnecessary_regions): Add parameter.  Call
14106         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
14107         parameter to remove_unnecessary_regions.
14108         (ira_build): Remove all regions but root if the conflict table was
14109         not built.  Update conflict hard regs for allocnos crossing calls.
14110
14111         * ira.c (ira_conflicts_p): New global.
14112         (ira): Define and use ira_conflicts_p.
14113
14114         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
14115         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
14116         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
14117
14118 2009-01-06  Ben Elliston  <bje@au.ibm.com>
14119
14120         * gengtype-lex.l (YY_NO_INPUT): Define.
14121
14122 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14123
14124         PR c/34911
14125         * c-common.c (handle_vector_size_attribute): Also reject
14126         BOOLEAN_TYPE types.
14127
14128 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
14129
14130         PR tree-optimization/38492
14131         * graphite.c (rename_map_elt, debug_rename_elt,
14132         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
14133         rename_map_elt_info, eq_rename_map_elts,
14134         get_new_name_from_old_name, bb_in_sese_p): Moved around.
14135         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
14136         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
14137         (sese_build_livein_liveouts): New.
14138         (new_sese, free_sese): New.
14139         (new_scop): Call new_sese.
14140         (free_scop): Call free_sese.
14141         (rename_variables_from_edge, rename_phis_end_scop): Removed.
14142         (register_old_new_names): Renamed register_old_and_new_names.
14143         (register_scop_liveout_renames, add_loop_exit_phis,
14144         insert_loop_close_phis, struct igp,
14145         default_liveout_before_guard, add_guard_exit_phis,
14146         insert_guard_phis, copy_renames): New.
14147         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
14148         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
14149         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
14150         (scop_adjust_phis_for_liveouts): New.
14151         (gloog): Call scop_adjust_phis_for_liveouts.
14152
14153         * graphite.h (struct sese): Documented.  Added fields liveout,
14154         num_ver and livein.
14155         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
14156         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
14157         (struct scop): Added field liveout_renames.
14158         (SCOP_LIVEOUT_RENAMES): New.
14159
14160 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
14161
14162         PR tree-optimization/38510
14163         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
14164         (translate_clast): Call recompute_all_dominators before
14165         graphite_verify.
14166         (gloog): Call recompute_all_dominators before graphite_verify.
14167
14168 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
14169             Jan Sjodin  <jan.sjodin@amd.com>
14170
14171         PR tree-optimization/38500
14172         * graphite.c (create_sese_edges): Call fix_loop_structure after
14173         splitting blocks.
14174
14175 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
14176
14177         * config.gcc: Add m32r*-*-rtems*.
14178         * config/m32r/rtems.h: New file.
14179
14180 2009-01-05  Ben Elliston  <bje@au.ibm.com>
14181
14182         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
14183         (.po.pox): Likewise.
14184         (po/gcc.pot): Likewise.
14185
14186 2009-01-04  David S. Miller  <davem@davemloft.net>
14187
14188         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
14189         (STARTING_FRAME_OFFSET): Always set to zero.
14190
14191 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
14192
14193         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
14194         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
14195         fixed-point types, and vectors of the same.
14196
14197 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
14198
14199         * config/mips/sync.md (*mb_barrier): Rename to...
14200         (*memory_barrier): ...this.
14201
14202 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
14203
14204         * doc/extend.texi (Function Attributes): Move @cindex after @item
14205         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
14206         and put in alphabetical order. Fix 'target' name and put in order.
14207         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
14208         typos.
14209
14210 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
14211
14212         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
14213         (memory_barrier): Expand as unspec instead of unspec_volatile.
14214         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14215         (*memory_barrier): Define as unspec instead of unspec_volatile.
14216         Use (match_dup 0) as input operand.
14217
14218         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
14219         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
14220         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
14221         scratch register.  Remove operand 1.
14222         (*stbar): Define as unspec instead of unspec_volatile.
14223         Use (match_dup 0) as input operand, remove (const_int 8).
14224         (*membar): Define as unspec instead of unspec_volatile.
14225         Use (match_dup 0) as input operand, remove input operand 2.
14226
14227         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
14228         (memory_barrier): Expand as unspec instead of unspec_volatile.
14229         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14230         (*memory_barrier): Define as unspec instead of unspec_volatile.
14231         Use (match_dup 0) as input operand.
14232
14233         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
14234         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14235         Set volatile flag on operand 0.
14236         (*memory_barrier): New insn pattern.
14237
14238         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
14239         insn operands.
14240         (*memory_barrier): Use (match_dup 0) as input operand.
14241
14242         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
14243         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14244         Set volatile flag on operand 0.
14245         (*mb_internal): New insn pattern.
14246
14247         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
14248
14249 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
14250
14251         PR middle-end/38586
14252         * function.c (struct temp_slot): Move to the section of the file
14253         that deals with temp slots.  Remove field 'address'.
14254         (temp_slot_address_table): New hash table of address -> temp slot.
14255         (struct temp_slot_address_entry): New struct, items for the table.
14256         (temp_slot_address_compute_hash, temp_slot_address_hash,
14257         temp_slot_address_eq, insert_temp_slot_address): Support functions
14258         for the new table.
14259         (find_temp_slot_from_address): Rewrite to use the new hash table.
14260         (remove_unused_temp_slot_addresses): Remove addresses of temp
14261         slots that have been made available.
14262         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
14263         worker function for remove_unused_temp_slot_addresses.
14264         (assign_stack_temp_for_type): Don't clear the temp slot address list.
14265         Add the temp slot address to the address -> temp slot map.
14266         (update_temp_slot_address): Update via insert_temp_slot_address.
14267         (free_temp_slots): Call remove_unused_temp_slot_addresses.
14268         (pop_temp_slots): Likewise.
14269         (init_temp_slots): Allocate the address -> temp slot map, or empty
14270         the map if it is already allocated.
14271         (prepare_function_start): Initialize temp slot processing.
14272
14273 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
14274
14275         PR middle-end/38584
14276         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
14277         Calculate the size of all stack vars assuming no packing of stack
14278         vars will happen, replacing a quadratic algorithm with a linear one.
14279
14280 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
14281
14282         PR target/38707
14283         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
14284         can't be used.
14285
14286 2009-01-03  Diego Novillo  <dnovillo@google.com>
14287
14288         * doc/contrib.texi: Update contributions.
14289
14290 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
14291
14292         PR c++/38705
14293         * builtins.c (fold_builtin_memory_op): Give up if either operand
14294         is volatile.  Set srctype or desttype to non-qualified version
14295         of the other type.
14296
14297         PR c/38700
14298         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
14299         and FUNCTION_DECLs.
14300
14301 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
14302
14303         PR rtl-optimization/35805
14304         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
14305         problem if fast dce is able to remove any instructions.
14306         * dce.c (dce_process_block): Fix dump message.
14307
14308 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
14309
14310         PR 33649
14311         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
14312
14313 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
14314
14315         PR middle-end/38690
14316         * tree-flow.h (op_code_prio, op_prio): New prototypes.
14317         * tree-pretty-print.c (op_code_prio): New function.
14318         (op_prio): No longer static.  Use op_code_prio.
14319         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
14320         Use op_prio and op_code_prio to determine if () should be
14321         printed around operand(s) or not.
14322
14323         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
14324         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
14325         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
14326         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
14327         pp_character instead of pp_string for single letter printing.
14328
14329 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
14330
14331         * doc/extend.texi: Fix '#pragma GCC option' typo.
14332
14333 2009-01-02  Richard Guenther  <rguenther@suse.de>
14334
14335         * doc/install.texi (--enable-checking): Mention different
14336         default for stage1.
14337         (--enable-stage1-checking): Document.
14338
14339 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
14340
14341         PR middle-end/30142
14342         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
14343         case to be an error.
14344
14345 2009-01-02  Ben Elliston  <bje@au.ibm.com>
14346
14347         * config/fp-bit.h (pack_d): Constify argument.
14348         * config/fp-bit.c (makenan): Constify return type. Remove casts.
14349         (isnan): Constify argument.
14350         (isinf): Likewise.
14351         (iszero): Likewise.
14352         (pack_d): Likewise.
14353         (_fpadd_parts): Constify return type.
14354         (_fpmul_parts): Likewise.
14355         (_fpdiv_parts): Likewise.
14356
14357 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
14358
14359         PR c/36489
14360         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
14361         warn about overwriting initializer with side-effects or
14362         -Woverride-init if !IMPLICIT.
14363         (output_init_element): Likewise.  Pass IMPLICIT down to
14364         add_pending_init.
14365         (process_init_element): Add IMPLICIT argument.  Pass it down
14366         to output_init_element.
14367         (push_init_element, pop_init_level, set_designator): Adjust
14368         process_init_element callers.
14369         (set_nonincremental_init, set_nonincremental_init_from_string):
14370         Adjust add_pending_init callers.
14371         (output_pending_init_elements): Adjust output_init_element callers.
14372         * c-tree.h (process_init_element): Adjust prototype.
14373         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
14374         process_init_element callers.
14375
14376 \f
14377 Copyright (C) 2009 Free Software Foundation, Inc.
14378
14379 Copying and distribution of this file, with or without modification,
14380 are permitted in any medium without royalty provided the copyright
14381 notice and this notice are preserved.