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2009-07-12 Kai Tietz <kai.tietz@onevision.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
2
3         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
4         just for 32-bit case.
5
6 2009-07-12  Jan Hubicka  <jh@suse.cz>
7
8         PR tree-optimization/40585
9         * except.c (expand_resx_expr): When there already is resume
10         instruction, produce linked list.
11         (build_post_landing_pads): Assert that resume is empty.
12         (connect_post_landing_pads): Handle resume lists.
13         (dump_eh_tree): Dump resume list.
14
15 2009-07-12  Ira Rosen  <irar@il.ibm.com>
16
17         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
18         with additional argument.
19         * tree-vectorizer.h (enum vect_def_type): Add 
20         vect_double_reduction_def.
21         (vect_is_simple_reduction): Add argument.
22         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix 
23         indentation.
24         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
25         vect_is_simple_reduction with additional argument.
26         (vect_analyze_loop_operations): Handle exit phi nodes in case of
27         double reduction.
28         (reduction_code_for_scalar_code): Handle additional codes by
29         returning ERROR_MARK for them. Fix comment and indentation.
30         (vect_is_simple_reduction): Fix comment, add argument to specify
31         double reduction. Detect double reduction.
32         (get_initial_def_for_induction): Fix indentation.
33         (get_initial_def_for_reduction): Fix comment and indentation.
34         Handle double reduction. Create initial definitions that do not
35         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
36         (vect_create_epilog_for_reduction): Fix comment, add argument to
37         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
38         epilogue result extraction. Create double reduction phi node and
39         replace relevant uses.
40         (vectorizable_reduction): Call vect_is_simple_reduction with
41         additional argument. Fix indentation. Update epilogue code treatment
42         according to the changes in reduction_code_for_scalar_code. Check 
43         for double reduction. Call vect_create_epilog_for_reduction with
44         additional argument.
45         * tree-vect-stmts.c (process_use): Handle double reduction, update
46         documentation.
47         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
48         (vect_get_vec_def_for_operand): Likewise.
49
50 2009-07-12  Danny Smith  <dansmister@gmail.com>
51
52         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
53         dllexport if !TREE_PUBLIC.
54         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
55
56 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
57
58         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
59         (avr_extra_arch_macro) Remove declatation.
60         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
61         (avr_extra_arch_macro) Declare as static.
62         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
63
64 2009-07-11  Jan Hubicka  <jh@suse.cz>
65
66         PR middle-end/48388
67         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
68
69 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
70
71         PR debug/40713
72         * dwarf2out.c (dw_fde_struct): Add in_std_section and
73         cold_in_std_section bits.
74         (dwarf2out_begin_prologue): Initialize them.
75         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
76         if already covered by text_section or cold_text_section range.
77
78         PR rtl-optimization/40667
79         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
80         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
81         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
82         * config/i386/i386.c (ix86_minimum_alignment): New function.
83         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
84         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
85         * emit-rtl.c (gen_reg_rtx): Likewise.
86         * function.c (assign_parms): Likewise.  If nominal_type needs
87         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
88         rather than passed_type's alignment.
89
90         PR target/40668
91         * function.c (assign_parm_setup_stack): Adjust
92         MEM_OFFSET (data->stack_parm) if promoted_mode is different
93         from nominal_mode on big endian.
94
95 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
96
97         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
98
99 2009-07-10  DJ Delorie  <dj@redhat.com>
100
101         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
102
103 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
104
105         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
106         attribute.
107         (thumb2_cbnz): Likewise.
108
109 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
110
111         PR target/39079
112         * config.gcc (supported_defaults): Add synci.
113         (with_synci): Add validation.
114         (all_defaults): Add synci.
115         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
116         ISA_HAS_SYNCI.
117         (synci): Same.
118         * config/mips/mips.opt (msynci): New option.
119         * config/mips/mips.c (mips_override_options): Warn on use of
120         -msynci for targets that do now support it.
121         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
122         msynci.
123         * gcc/doc/invoke.texi (-msynci): Document the new option.
124         * doc/install.texi (--with-synci): Document the new option.
125
126 2009-07-10  Richard Guenther  <rguenther@suse.de>
127
128         PR tree-optimization/40496
129         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
130         the PHI result with a compatible type.
131
132 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
133
134         PR 25509
135         PR 40614
136         * c.opt (Wunused-result): New.
137         * doc/invoke.texi: Document it.
138         * c-common.c (c_warn_unused_result): Use it.
139
140 2009-07-09  DJ Delorie  <dj@redhat.com>
141
142         * targhooks.c (default_target_can_inline_p): Rename from
143         default_target_option_can_inline_p.
144         * targhooks.h (default_target_can_inline_p): Likewise.
145         * target-def.h (TARGET_CAN_INLINE_P): Rename from
146         TARGET_OPTION_CAN_INLINE_P.
147         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
148         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
149         (mep_target_can_inline_p): Rename from
150         mep_target_option_can_inline_p.
151
152         PR target/40626
153         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
154         registers used to pass vectors.
155
156         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
157
158 2009-07-09  Tom Tromey  <tromey@redhat.com>
159
160         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
161         * config/mmix/mmix.c: Include dwarf2.h.
162         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
163         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
164         * config/sh/sh.c: Include dwarf2.h.
165         * config/i386/i386.c: Include dwarf2.h.
166         * Makefile.in (DWARF2_H): Remove 'elf'.
167         * except.c: Include dwarf2.h.
168         * unwind-dw2.c: Include dwarf2.h.
169         * dwarf2out.c: Include dwarf2.h.
170         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
171         * unwind-dw2-fde.c: Include dwarf2.h.
172         * dwarf2asm.c: Include dwarf2.h.
173
174 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
175         
176         * haifa-sched.c (insn_finishes_cycle_p): New static function.
177         (max_issue): Use it.
178         * sched-int.h (struct sched_info: insn_finishes_block_p): New
179         scheduler hook.
180         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
181         (region_sched_info): Update.
182         * sched-ebb.c (ebb_sched_info): Update.
183         * modulo-sched.c (sms_sched_info): Update.
184         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
185
186 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
187
188         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
189
190 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
191
192         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen. 
193
194 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
195
196         PR middle-end/40692
197         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
198         arg1 with arg01 if arg1 is already INTEGER_CST.
199
200 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
201
202         * simplify-rtx.c (simplify_binary_operation_1) <AND>: Transform (and
203         (truncate)) into (truncate (and)).
204
205 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
206
207         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
208         creating LHS paradoxical subregs.  Fix surrounding returns to
209         use NULL_RTX rather than 0.
210
211 2009-07-08  DJ Delorie  <dj@redhat.com>
212
213         * config/mep/mep.c: (mep_option_can_inline_p): New.
214         (TARGET_OPTION_CAN_INLINE_P): Define.
215
216 2009-07-08  Mark Wielaard  <mjw@redhat.com>
217
218         PR debug/40659
219         * dwarf2out.c (add_data_member_location_attribute): When we have
220         only a constant offset don't emit a new location description using
221         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
222         dwarf_version > 2.
223
224 2009-07-08  Richard Henderson  <rth@redhat.com>
225
226         PR target/38900
227         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
228         (enum reg_class): Add CLOBBERED_REGS.
229         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
230         * config/i386/i386.c (ix86_conditional_register_usage): Moved
231         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
232         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
233         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
234         force 64-bit sibcalls into R11.
235         * config/i386/constraints.md (U): New constraint.
236         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
237         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
238         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
239
240 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
241
242         * basic-block.h (dump_regset, debug_regset): Remove duplicate
243         prototypes.
244         * c-objc-common.h (c_initialize_diagnostics): Ditto.
245         * ebitmap.h (dump_ebitmap): Ditto.
246         * optabs.h (optab_libfunc): Ditto.
247         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
248         * tree-flow.h (vect_can_force_dr_alignment_p,
249         get_vectype_for_scalar_type): Ditto.
250         (vectorize_loops): Move prototype to ...
251         * tree-vectorizer.h: ... here. Also, adjust comment.
252         (vect_set_verbosity_level): Remove duplicate prototype.
253         * tree-ssa-loop.c: Include tree-vectorizer.h.
254         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
255
256 2009-07-08  Nick Clifton  <nickc@redhat.com>
257
258         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
259         forward slash.
260
261 2009-07-08  DJ Delorie  <dj@redhat.com>
262
263         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
264         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
265         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
266         written to.
267         * config/mep/intrinsics.md: Regenerated.
268         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
269         registers when asm() or calls are detected.
270
271 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
272
273         PR c++/31246
274         * gimplify.c (gimplify_expr): Propagate no_warning flag when
275         gimplifying.
276         * gimple (gimple_build_call_from_tree): Likewise.
277         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
278         no_warning flag before warning.
279
280 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
281
282         * tree.c (set_expr_locus): Remove.
283         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
284         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
285         EXPR_LOCATION.
286         * gimplify.c (internal_get_tmp_var): Likewise.
287         (gimplify_call_expr): Likewise.
288         (gimplify_one_sizepos): Likewise.
289
290 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
291
292         PR debug/40666
293         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
294         to variables for debugging purposes.
295
296 2009-06-23  Mark Loeser  <mark@halcy0n.com>
297
298         PR build/40010
299         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
300
301 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
302
303         * pretty-print.c (pp_base_format): Remove %J.
304         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
305         gcc_cxxdiag_char_table): Likewise.
306         (init_dynamic_diag_info): Likewise.
307
308 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
309
310         * pretty-print.c (pp_base_format): Remove %H.
311         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
312         gcc_cxxdiag_char_table): Likewise.
313         (init_dynamic_diag_info): Likewise.
314         * config/mep/mep.c (mep_select_section): Likewise.
315
316 2009-07-07  Duncan Sands  <baldrick@free.fr>
317
318         * final.c (pass_clean_state): Give the pass a name.
319         * passes.c (pass_rest_of_compilation): Likewise.
320         * tree-optimize.c (pass_all_optimizations): Likewise.
321
322 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
323
324         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
325         an extra 'decl' for error_at.
326
327 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
328
329         PR middle-end/40669
330         * tree-tailcall.c (adjust_return_value_with_ops,
331         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
332         if it has complex or vector type.
333
334 2009-07-07  Olivier Hainque  <hainque@adacore.com>
335
336         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
337         pthread symbols.
338
339 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
340
341         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
342
343 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
344
345         * cgraphunit.c: Replace %J by an explicit location. Update all
346         calls.
347         * c-decl.c: Likewise.
348         * function.c: Likewise.
349         * varasm.c: Likewise.
350         * tree-ssa.c: Likewise.
351         * c-common.c: Likewise.
352         * tree-cfg.c: Likewise.
353         * config/spu/spu.c: Likewise.
354         * config/ia64/ia64.c: Likewise.
355         * config/v850/v850.c: Likewise.
356
357 2009-07-06  DJ Delorie  <dj@redhat.com>
358
359         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
360         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
361         unspecified accesses to control registers.
362         * config/mep/intrinsics.md: Regenerate.
363         * config/mep/intrinsics.h: Regenerate.
364         * config/mep/mep-intrin.h: Regenerate.
365
366 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
367
368         * c-lex.c: Replace %H by an explicit location. Update all calls.
369         * c-common.c: Likewise.
370         * c-decl.c: Likewise.
371         * c-typeck.c: Likewise.
372         * fold-const.c: Likewise.
373         * gimplify.c: Likewise.
374         * stmt.c: Likewise.
375         * tree-cfg.c: Likewise.
376         * tree-ssa-loop-niter.c: Likewise.
377         * tree-vrp.c: Likewise.
378         * value-prof.c: Likewise.
379
380 2009-07-06  Diego Novillo  <dnovillo@google.com>
381
382         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
383         if it has one.  Handle cases where VAR does not have an
384         annotation or cfun is NULL.
385
386 2009-07-06  Diego Novillo  <dnovillo@google.com>
387
388         * tree.c: Include debug.h.
389         (initialize_tree_contains_struct): New.
390         (init_ttree): Call it.
391         (tree_node_structure_for_code): Factor out of ...
392         (tree_node_structure): ... here.
393         * treestruct.def (TS_PHI_NODE): Remove.
394         (TS_GIMPLE_STATEMENT): Remove.
395
396 2009-07-06  Diego Novillo  <dnovillo@google.com>
397
398         * tree-pretty-print.c (dump_generic_node): Protect
399         against NULL op0.
400         (debug_tree_chain): Handle cycles.
401
402 2009-07-06  Nick Clifton  <nickc@redhat.com>
403             DJ Delorie  <dj@redhat.com>
404
405         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
406         __FMOVD_ENABLED__ is defined.
407         * config/sh/sh.h
408         (TARGET_FMOVD): Provide a default definition.
409         (MASK_FMOVD): Likewise.
410         (TARGET_CPU_CPP_BUILTINS): Define
411         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
412         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
413         two fmov instructions depending upon whether TARGET_FMOVD is
414         enabled.
415         (split for DF load from memory into register): Also handle
416         MEMs which consist of REG+DISP addressing.
417         (split for DF store from register to memory): Likewise.
418         (movsf_ie): Always use single fp_mode.
419         * config/sh/sh.c (sh_override_options): Do not automatically
420         enable TARGET_MOVD for the SH2A when supporting doubles - leave
421         that to the -mfmovd command line switch.
422         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
423         (fldi_ok): Always allow.
424         * config/sh/sh.opt (mfmovd): Remove this switch.
425         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
426
427 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
428             Kaz Kojima  <kkojima@gcc.gnu.org>
429
430         PR rtl-optimization/30807
431         * postreload.c (reload_combine): For every new use of REG_SUM,
432         record the use of BASE.
433
434 2009-07-06  Jan Hubicka  <jh@suse.cz>
435
436         * params.def: Revert my accidental commit at 2009-06-30.
437
438 2009-07-04  Ian Lance Taylor  <iant@google.com>
439
440         PR target/40636
441         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
442         EXPORTED_CONST.
443         (mingw_format_attribute_overrides): Likewise.
444
445 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
446
447         PR debug/40596
448         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
449         don't check cfa.reg.  Instead of cfa.indirect use
450         fde && fde->drap_reg != INVALID_REGNUM test.
451
452 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
453
454         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
455
456 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
457
458         PR target/40587
459         * ira.c (build_insn_chain): Use DF_LR_OUT instead of
460         df_get_live_out.
461
462 2009-07-03  Richard Guenther  <rguenther@suse.de>
463
464         PR tree-optimization/40640
465         * tree-switch-conversion.c (build_arrays): Perform arithmetic
466         in original type.
467
468 2009-07-03  Jan Hubicka  <jh@suse.cz>
469
470         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
471         for size, reduce amount of inlining.
472
473 2009-07-03  Richard Guenther  <rguenther@suse.de>
474
475         PR middle-end/34163
476         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to
477         (T2)t +- (T2)x if t +- x is known to not overflow and
478         the conversion widens the operation.
479         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
480
481 2009-07-03  Jan Hubicka  <jh@suse.cz>
482
483         * ipa-pure-const.c (analyze): Update loop optimizer init.
484         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
485         try_remove_empty_loop, remove_empty_loops): Remove.
486         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
487         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
488         to mark regular loops as neccesary.
489         (degenerate_phi_p): New function.
490         (propagate_necessity, remove_dead_phis): Use it.
491         (forward_edge_to_pdom): Likewise.
492         (eliminate_unnecessary_stmts): Take care to remove uses of results of
493         virtual PHI nodes that became unreachable.
494         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
495         * tree-flow.h (remove_empty_loops): Remove.
496         * passes.c (init_optimization_passes): Remove.
497
498 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
499
500         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
501         can_create_pseudo_p.
502         (*fix_trunc<mode>_i387_1): Ditto.
503         (*floathi<mode>2_1): Ditto.
504         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
505         (*fistdi2_1): Ditto.
506         (*fist<mode>2_1): Ditto.
507         (frndintxf2_floor): Ditto.
508         (*fist<mode>2_floor_1): Ditto.
509         (frndintxf2_ceil): Ditto.
510         (*fist<mode>2_ceil_1): Ditto.
511         (frndintxf2_trunc): Ditto.
512         (frndintxf2_mask_pm): Ditto.
513         (fxam<mode>2_i387_with_temp): Ditto.
514         * config/i386/sse.md (mulv16qi3): Ditto.
515         (*sse2_mulv4si3): Ditto.
516         (mulv2di3): Ditto.
517         (sse4_2_pcmpestr): Ditto.
518         (sse4_2_pcmpistr): Ditto.
519
520 2009-07-03  Jan Hubicka  <jh@suse.cz>
521
522         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
523         (mark_stmt_necessary): Set it.
524         (mark_operand_necessary): Set it.
525         (mark_control_dependent_edges_necessary): Set it.
526         (mark_virtual_phi_result_for_renaming): New function.
527         (get_live_post_dom): New function.
528         (forward_edge_to_pdom): New function.
529         (remove_dead_stmt): Fix handling of control dependences.
530         (tree_dce_init): Init new bitmap.
531         (tree_dce_done): Free it.
532
533 2009-07-02  Richard Guenther  <rguenther@suse.de>
534
535         PR bootstrap/40617
536         * tree-ssa-structalias.c (new_var_info): Initialize
537         is_restrict_var.
538
539 2009-07-02  Jan Hubicka  <jh@suse.cz>
540
541         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
542         local.
543
544 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
545
546         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
547         instead of recomputing it.  Adjust calls.
548         (emit_store_flag): Adjust recursive calls.
549
550 2009-07-02  Richard Guenther  <rguenther@suse.de>
551
552         * tree-ssa-live.c (remove_unused_locals): Do not remove
553         heap variables.
554         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
555         of DECL_EXTERNAL for HEAP variables.
556         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
557         HEAP variables.  Do not adjust RESTRICT vars.
558         (find_what_var_points_to): Nobody cares if something
559         points to READONLY.
560
561 2009-07-02  Ben Elliston  <bje@au.ibm.com>
562
563         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
564         pc_low and pc_high declarations to the top of the function.
565
566 2009-07-01  DJ Delorie  <dj@redhat.com>
567
568         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
569         registers as fixed.
570         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
571         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
572         unspecified accesses to control registers.
573         * config/mep/intrinsics.md: Regenerate.
574         * config/mep/intrinsics.h: Regenerate.
575         * config/mep/mep-intrin.h: Regenerate.
576
577 2009-07-01  Anthony Green  <green@moxielogic.com>
578
579         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
580         instruction when possible.
581         (moxie_expand_prologue): Ditto.  Also, save an instruction and
582         some complexity by popping off of $r12 instead of $sp.
583         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
584         operands.
585
586 2009-07-01  Richard Henderson  <rth@redhat.com>
587
588         PR bootstrap/40347
589         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
590         contained no insns, reposition note before last insn.
591
592 2009-07-01  Richard Henderson  <rth@redhat.com>
593
594         PR debug/40431
595         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
596         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
597
598 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
599
600         PR bootstrap/40558
601         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
602         darwin9 for printing reg addresses with %y.
603
604 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
605
606         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
607         truncation from operands in binary operations.
608
609 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
610
611         Revert:
612         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
613         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
614         subreg of op0 to the original op0.
615
616         * expmed.c (store_bit_field_1): Use a temporary as the destination
617         instead of a paradoxical subreg when we need to truncate the result.
618
619 2009-07-01  DJ Delorie  <dj@redhat.com>
620
621         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
622         names to VLIW variants.
623         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
624         * config/mep/intrinsics.md: Regenerate.
625         * config/mep/intrinsics.h: Regenerate.
626         * config/mep/mep-intrin.h: Regenerate.
627
628 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
629
630         PR debug/40462
631         * jump.c (returnjump_p): Revert last patch.
632         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
633
634 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
635
636         PR target/40575
637         * pa.md (casesi32p): Use jump table label to determine the offset
638         of the jump table.
639         (casesi64p): Likewise.
640
641         * pa.c (forward_branch_p): Return bool type.  Use instruction
642         addresses when available.  Assert that INSN has a jump label.
643         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
644         have a jump label.
645
646 2009-07-01  Richard Guenther  <rguenther@suse.de>
647
648         PR tree-optimization/19831
649         * tree-ssa-dce.c (propagate_necessity): Calls to functions
650         that only act as barriers do not make any previous stores necessary.
651         * tree-ssa-structalias.c (handle_lhs_call): Delay making
652         HEAP variables global, do not add a constraint from nonlocal.
653         (find_func_aliases): Handle escapes through return statements.
654         (compute_points_to_sets): Make escaped HEAP variables global.
655
656 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
657
658         PR bootstrap/40597
659         * expmed.c (emit_store_flag): Perform a conversion if necessary,
660         after reducing a DImode cstore to SImode.
661
662 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
663
664         * expr.c (expand_expr_real_1): Reinstate fallthrough to
665         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
666
667 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
668
669         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
670         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
671         to 0.
672         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
673         and umod_optab if TARGET_BSD_DIVMOD.
674         * config/vax/lib1funcs.asm: New file.
675         * config/vax/t-linux: New file.
676         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
677
678 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
679
680         PR c++/40566
681         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
682         to type arguments that have void type.
683
684         PR debug/40573
685         * dwarf2out.c (gen_formal_parameter_die): Call
686         equate_decl_number_to_die if node is different from origin.
687
688 2009-06-30  Anthony Green  <green@moxielogic.com>
689
690         Clean up moxie port for --enable-build-with-cxx.
691         * config/moxie/moxie.c (moxie_function_value): First two
692         parameters are const_tree, not tree.
693         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
694         (REG_CLASS_NAMES): Ditto.
695         (REGNO_REG_CLASS): Ditto.
696         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
697         (moxie_function_value): Fix constyness of arguments.
698
699 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
700
701         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
702         finalize_size_functions before further processing.
703         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
704         (variable_size): Call self_referential_size on size expressions
705         that contain a PLACEHOLDER_EXPR.
706         (size_functions): New static variable.
707         (copy_self_referential_tree_r): New static function.
708         (self_referential_size): Likewise.
709         (finalize_size_functions): New global function.
710         * tree.c: Include tree-inline.h.
711         (push_without_duplicates): New static function.
712         (find_placeholder_in_expr): New global function.
713         (substitute_in_expr) <tcc_declaration>: Return the replacement object
714         on equality.
715         <tcc_expression>: Likewise.
716         <tcc_vl_exp>: If the replacement object is a constant, try to inline
717         the call in the expression.
718         * tree.h (finalize_size_functions): Declare.
719         (find_placeholder_in_expr): Likewise.
720         (FIND_PLACEHOLDER_IN_EXPR): New macro.
721         (substitute_placeholder_in_expr): Update comment.
722         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
723         is true.
724         (copy_tree_body_r): Likewise.
725         (copy_tree_body): New static function.
726         (maybe_inline_call_in_expr): New global function.
727         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
728         (maybe_inline_call_in_expr): Declare.
729         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
730         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
731         GIMPLE_H.
732
733 2009-06-30  Richard Guenther  <rguenther@suse.de>
734
735         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
736         continue walking.
737         (propagate_necessity): Do not mark reaching defs of stores
738         as necessary.
739
740 2009-06-30  Jan Hubicka  <jh@suse.cz>
741
742         * cfgloopanal.c (check_irred): Move into ...
743         (mark_irreducible_loops): ... here; return true if ireducible
744         loops was found.
745         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
746         (analyze_function): Try to prove loop finiteness.
747         * cfgloop.h (mark_irreducible_loops): Update prototype.
748         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
749
750 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
751
752         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
753
754 2009-06-30  Ira Rosen  <irar@il.ibm.com>
755
756         PR tree-optimization/40542
757         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile 
758         types.
759
760 2009-06-30  Martin Jambor  <mjambor@suse.cz>
761
762         PR tree-optimization/40582
763         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
764         than useless_type_conversion_p.
765         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
766         proper place.
767
768 2009-06-30  Martin Jambor  <mjambor@suse.cz>
769
770         PR middle-end/40554
771         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
772
773 2009-06-30  Richard Guenther  <rguenther@suse.de>
774
775         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
776         use ao_ref references.
777         (walk_aliased_vdefs): Likewise.
778         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
779         * tree-ssa-dce.c (struct ref_data): Remove.
780         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
781         (mark_aliased_reaching_defs_necessary): Adjust.
782         (mark_all_reaching_defs_necessary_1): Likewise.
783
784 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
785
786         PR boostrap/40597
787         * expmed.c (emit_cstore): New name of emit_store_flag_1.
788         (emit_store_flag_1): Extract from emit_store_flag, adjust
789         calls to (what now is) emit_cstore.
790         (emit_store_flag): Call emit_store_flag_1 and also use it
791         for what used to be recursive calls.
792
793 2009-06-30  Wei Guozhi  <carrot@google.com>
794
795         PR/40416
796         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
797         if the target bb post dominates from bb.
798         * config/i386/i386.c (memory_address_length): Check existence of base
799         register before using it.
800
801 2009-06-30  Nick Clifton  <nickc@redhat.com>
802             DJ Delorie  <dj@redhat.com>
803
804         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
805         __FMOVD_ENABLED__ is defined.
806         * config/sh/sh.h
807         (TARGET_FMOVD): Provide a default definition.
808         (MASK_FMOVD): Likewise.
809         (TARGET_CPU_CPP_BUILTINS): Define
810         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
811         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
812         two fmov instructions depending upon whether TARGET_FMOVD is
813         enabled.
814         (split for DF load from memory into register): Also handle
815         MEMs which consist of REG+DISP addressing.
816         (split for DF store from register to memory): Likewise.
817         * config/sh/sh.opt (mfmovd): Remove this switch.
818         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
819         * config/sh/sh.c (sh_override_options): Do not automatically
820         enable TARGET_MOVD for the SH2A when supporting doubles - leave
821         that to the -mfmovd command line switch.
822
823         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
824         the SH4 and SH4A.
825         (fldi_ok): Always allow.
826         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
827
828 2009-06-29  DJ Delorie  <dj@redhat.com>
829
830         * doc/install.texi (mep-x-elf): Correct chip's full name.
831
832 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
833
834         * doc/extend.texi: Fix typo.
835
836 2009-06-29  Tom Tromey  <tromey@redhat.com>
837
838         * dwarf2.h: Remove.
839         * Makefile.in (DWARF2_H): New variable.
840         (except.o): Use it.
841         (dwarf2out.o): Likewise.
842         (dwarf2asm.o): Likewise.
843         * config/i386/t-i386: Use DWARF2_H.
844         * except.c: Include elf/dwarf2.h.
845         * unwind-dw2.c: Include elf/dwarf2.h.
846         * dwarf2out.c: Include elf/dwarf2.h.
847         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
848         <dtprel>: New field.
849         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
850         (size_of_loc_descr): Likewise.
851         (output_loc_operands_raw): Likewise.
852         (output_loc_operands): Handle new dtprel field.
853         (loc_checksum): Update.
854         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
855         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
856         * unwind-dw2-fde.c: Include elf/dwarf2.h.
857         * dwarf2asm.c: Include elf/dwarf2.h.
858         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
859         * config/mmix/mmix.c: Include elf/dwarf2.h.
860         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
861         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
862         * config/sh/sh.c: Include elf/dwarf2.h.
863         * config/i386/i386.c: Include elf/dwarf2.h.
864
865 2009-06-29  DJ Delorie  <dj@redhat.com>
866
867         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
868
869         * doc/extend.texi: Add MeP attributes and pragmas.
870         * doc/invoke.text: Add MeP Options.
871         * doc/contrib.texi: Add MeP contribution.
872         * doc/md.texi: Add MeP constraints.
873         * doc/install.texi: Add MeP target.
874
875 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
876
877         * target.h (struct gcc_target): Add frame_pointer_required field.
878         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
879         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
880         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
881         hook.
882         * reload1.c (update_eliminables): (Ditto.).
883         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
884         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
885         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
886
887         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
888
889         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
890         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
891         (arm_frame_pointer_required): New function.
892
893         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
894         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
895         (avr_frame_pointer_required_p): Declare as static.
896         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
897
898         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
899         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
900         (bfin_frame_pointer_required): Make as static, change return type
901         to bool.
902         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
903
904         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
905         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
906         (cris_frame_pointer_required): New function.
907         
908         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
909
910         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
911         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
912         (fr30_frame_pointer_required): New function.
913         
914         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
915         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
916         (frv_frame_pointer_required): Make as static, change return type
917         to bool.
918         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
919
920         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
921         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
922         (ix86_frame_pointer_required): Make as static, change return type to
923         bool.
924         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
925
926         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
927         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
928
929         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
930
931         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
932         
933         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
934
935         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
936         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
937         (mips_frame_pointer_required): Make as static.
938         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
939         
940         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
941         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
942         (mmix_frame_pointer_required): Mew function.
943
944         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
945         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
946
947         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
948
949         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
950
951         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
952
953         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
954         (CAN_ELIMINATE): Redefine.
955         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
956         (sparc_frame_pointer_required): New function.
957         (sparc_can_eliminate): New function.
958         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
959
960         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
961         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
962
963         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
964         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
965         (xtensa_frame_pointer_required): Make as static, change return type
966         to bool.
967         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
968         Remove.
969
970 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
971
972         * doc/plugins.texi: Document PLUGIN_START_UNIT.
973         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
974         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
975         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
976         (register_callback): Handle PLUGIN_START_UNIT.
977         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
978
979 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
980
981         * tree.c (process_call_operands): Propagate TREE_READONLY from the
982         operands.
983         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
984         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
985
986 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
987
988         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
989         move cost.
990
991 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
992
993         * doc/extend.texi (Additional Floating Types): __float128 is also
994         supported on i386 targets.
995
996 2009-06-29  Richard Guenther  <rguenther@suse.de>
997
998         PR middle-end/14187
999         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
1000         flag.
1001         (pt_solutions_same_restrict_base): Declare.
1002         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
1003         flag.
1004         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
1005         (make_constraint_from, make_copy_constraint): Move earlier.
1006         (make_constraint_from_heapvar): New function.
1007         (make_constraint_from_restrict): Likewise.
1008         (handle_lhs_call): Use it.
1009         (find_func_aliases): Use it to track conversions to restrict
1010         qualified pointers.
1011         (struct fieldoff): Add only_restrict_pointers flag.
1012         (push_fields_onto_fieldstack): Initialize it.
1013         (create_variable_info_for): Track global restrict qualified pointers.
1014         (intra_create_variable_infos): Use make_constraint_from_heapvar.
1015         Track restrict qualified pointer arguments.
1016         (set_uids_in_ptset): Use varinfo is_global_var flag.
1017         (find_what_var_points_to): Set the vars_contains_restrict flag.
1018         Always create the points-to solution for sets including restrict tags.
1019         (pt_solutions_same_restrict_base): New function.
1020         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
1021         qualified pointers use pt_solutions_same_restrict_base as
1022         additional source for disambiguation.
1023
1024 2009-06-29  Richard Guenther  <rguenther@suse.de>
1025
1026         PR middle-end/38212
1027         * alias.c (find_base_decl): Remove.
1028         (get_deref_alias_set_1): Remove restrict handling.
1029         * c-common.c (c_apply_type_quals_to_decl): Do not set
1030         DECL_POINTER_ALIAS_SET.
1031         * gimplify.c (find_single_pointer_decl_1): Remove.
1032         (find_single_pointer_decl): Likewise.
1033         (internal_get_tmp_var): Remove restrict handling.
1034         (gimple_regimplify_operands): Likewise.
1035         * omp-low.c (expand_omp_atomic_pipeline): Do not set
1036         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
1037         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
1038         * tree.c (restrict_base_for_decl): Remove.
1039         (init_ttree): Do not allocate it.
1040         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
1041         LABEL_DECL_UID for label decls.
1042         (copy_node_stat): Do not copy restrict information.
1043         (decl_restrict_base_lookup): Remove.
1044         (decl_restrict_base_insert): Likewise.
1045         (print_restrict_base_statistics): Likewise.
1046         (dump_tree_statistics): Do not call print_restrict_base_statistics.
1047         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
1048         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1049         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
1050         (LABEL_DECL_UID): Adjust.
1051         (DECL_BASED_ON_RESTRICT_P): Remove.
1052         (DECL_GET_RESTRICT_BASE): Likewise.
1053         (SET_DECL_RESTRICT_BASE): Likewise.
1054         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
1055
1056         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
1057         instead of DECL_POINTER_ALIAS_SET.
1058         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1059         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
1060         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
1061
1062 2009-06-29  Richard Guenther  <rguenther@suse.de>
1063
1064         PR tree-optimization/40579
1065         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
1066         the IL to simplify has constants that overflowed.
1067
1068 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
1069
1070         PR tree-optimization/40550
1071         * tree-vect-generic.c (expand_vector_operations_1): Compute in
1072         vector_compute_type only when the size of vector_compute_type is
1073         less than the size of type.
1074
1075 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
1076
1077         * fold-const.c (contains_label_1): Fix comments.
1078         (contains_label_p): Do not walk trees multiple time.
1079
1080 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1081
1082         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
1083         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
1084         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
1085         ix86_fp_comparison_operator.
1086         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
1087         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
1088         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
1089         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
1090         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
1091         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
1092         (related splits): Change predicate to ix86_fp_comparison_operator.
1093         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
1094         instead of ix86_fp_comparison_codes.
1095         (ix86_trivial_fp_comparison_operator,
1096         ix86_fp_comparison_operator): New.
1097         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
1098         (ix86_expand_compare): Eliminate last two parameters.
1099         (ix86_fp_jump_nontrivial_p): Kill.
1100         * config/i386/i386.c (put_condition_code): Eliminate call to
1101         ix86_fp_comparison_codes and subsequent assertion.
1102         (ix86_fp_comparison_codes): Eliminate.
1103         (ix86_fp_swap_condition): New.
1104         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
1105         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
1106         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
1107         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
1108         and ix86_fp_swap_condition.
1109         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
1110         Use ix86_fp_comparison_strategy.
1111         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
1112         (ix86_fp_jump_nontrivial_p): Eliminate.
1113         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
1114         call to ix86_expand_compare.
1115         (ix86_split_fp_branch, ix86_expand_setcc,
1116         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
1117         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
1118
1119 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1120
1121         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
1122         related to jump_clobbers.
1123         * config/arm/arm.md (conds): Remove jump_clob case.
1124         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
1125         splits): Change comparison_operator to arm_comparison_operator.
1126         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
1127         Eliminate.
1128
1129 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1130
1131         * dojump.c (do_compare_rtx_and_jump): Try swapping the
1132         condition for floating point modes.
1133         * expmed.c (emit_store_flag_1): Move here a bigger part
1134         of emit_store_flag.
1135         (emit_store_flag): Try swapping the condition for floating point
1136         modes.
1137         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
1138
1139 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1140
1141         * expr.c (expand_expr_real_1): Just use do_store_flag.
1142         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
1143         emit_store_flag_force.
1144         * expmed.c (emit_store_flag_force): Copy here trick
1145         previously in expand_expr_real_1.  Try reversing the comparison.
1146         (emit_store_flag_1): Work if target is NULL.
1147         (emit_store_flag): Work if target is NULL, using the result mode
1148         from the comparison.  Use split_comparison, restructure final part
1149         to simplify conditionals.
1150
1151 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1152
1153         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
1154         * dojump.c (do_jump): Change handling of floating-point
1155         ops to use just do_compare_and_jump.
1156         (split_comparison): New.
1157         (do_compare_rtx_and_jump): Add here logic coming previously
1158         in do_jump, using split_comparison.
1159
1160 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
1161
1162         PR target/40489
1163         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
1164
1165 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1166
1167         * tree-ssa-alias.c: Fix unintentional commit.
1168
1169 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1170
1171         * passes.c (execute_one_pass): Fix unintentional commit.
1172
1173 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1174
1175         * df-problems.c (df_set_seen, df_unset_seen): Delete.
1176         (df_rd_local_compute, df_md_local_compute): Inline them.
1177
1178         (df_md_scratch): New.
1179         (df_md_alloc, df_md_free): Allocate/free it.
1180         (df_md_local_compute): Only include live registers in init.
1181         (df_md_transfer_function): Prune the in-set computed by
1182         the confluence function, and the gen-set too.
1183
1184 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1185
1186         PR rtl-optimization/26854
1187         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
1188         * df-problems.c (df_rd_add_problem): Fix comment.
1189         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
1190         df_md_simulate_artificial_defs_at_top,
1191         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
1192         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
1193         df_md_transfer_function, df_md_init, df_md_confluence_0,
1194         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
1195         problem_MD, df_md_add_problem): New.
1196         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
1197         df_md_get_bb_info): New.
1198         (DF_LAST_PROBLEM_PLUS1): Adjust.
1199
1200         * Makefile.in (fwprop.o): Include domwalk.h.
1201         * fwprop.c: Include domwalk.h.
1202         (reg_defs, reg_defs_stack): New.
1203         (bitmap_only_bit_between): Remove.
1204         (process_defs): New.
1205         (process_uses): Use reg_defs and local_md instead of
1206         bitmap_only_bit_between and local_rd.
1207         (single_def_use_enter_block): New, from build_single_def_use_links.
1208         (single_def_use_leave_block): New.
1209         (build_single_def_use_links): Remove code moved to
1210         single_def_use_enter_block, invoke domwalk.
1211         (use_killed_between): Adjust comment.
1212
1213 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1214
1215         * bitmap.h (bitmap_ior_and_into): New.
1216         * bitmap.c (bitmap_ior_and_into): New.
1217
1218 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1219
1220         * domwalk.h (struct dom_walk_data): Remove all callbacks except
1221         before_dom_children_before_stmts and after_dom_children_after_stmts.
1222         Rename the two remaining callbacks to just before_dom_children and 
1223         after_dom_children. Remove other GIMPLE statement walking bits.
1224         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
1225         * graphite.c: Do not include domwalk.h.
1226         * tree-into-ssa.c (interesting_blocks): New global.
1227         (struct mark_def_sites_global_data): Remove it and names_to_rename.
1228         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
1229         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
1230         now that they're not domwalk callbacks.
1231         (rewrite_initialize_block): Rename to...
1232         (rewrite_enter_block): ... this, place after called functions.  Test
1233         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
1234         (rewrite_finalize_block): Rename to...
1235         (rewrite_leave_block): ... this, place after called functions.
1236         (rewrite_update_init_block): Rename to...
1237         (rewrite_update_enter_block): ... this, place after called functions.
1238         Test interesting_blocks, call rewrite_update_stmt and 
1239         rewrite_update_phi_arguments.
1240         (rewrite_update_fini_block): Rename to...
1241         (rewrite_leave_block): ... this, place after called functions.
1242         (rewrite_blocks): Remove last argument, simplify initialization of
1243         walk_data.
1244         (mark_def_sites_initialize_block): Rename to...
1245         (mark_def_sites_block): ... this, call mark_def_sites.
1246         (mark_def_sites_blocks): Remove argument, simplify initialization of
1247         walk_data.
1248         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
1249         (update_ssa): Likewise.
1250         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
1251         callback.
1252         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
1253         (dom_opt_initialize_block): Rename to...
1254         (dom_opt_enter_block): ... this, place after called functions.  Walk
1255         statements here, inline propagate_to_outgoing_edges.
1256         (dom_opt_finalize_block): Rename to...
1257         (dom_opt_leave_block): ... this, place after called functions.
1258         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
1259         domwalk callback.
1260         (dse_enter_block, dse_record_phi): New.
1261         (dse_record_phis): Delete.
1262         (dse_finalize_block): Rename to...
1263         (dse_leave_block): ... this.
1264         (tree_ssa_dse): Simplify initialization of walk_data.
1265         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
1266         Adjust initialization of walk_data.
1267         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
1268         * tree-ssa-loop-phiopt.c (get_non_trapping):
1269         Adjust initialization of walk_data.
1270         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
1271         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
1272         it's not a domwalk callback.
1273         (uncprop_initialize_block): Rename to...
1274         (dse_enter_block): ... this, call uncprop_into_successor_phis.
1275         (dse_finalize_block): Rename to...
1276         (dse_leave_block): ... this.
1277         (tree_ssa_uncprop): Simplify initialization of walk_data.
1278         * Makefile.in: Adjust dependencies.
1279
1280 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
1281
1282         * arm.md (casesi): Fix test for Thumb1.
1283         (thumb1_casesi_internal_pic): Likewise.
1284         (thumb1_casesi_dispatch): Likewise.
1285
1286 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
1287
1288         * config/arm/arm-cores.def: Added core cortex-m0.
1289         * config/arm/arm-tune.md: Regenerated.
1290         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
1291
1292 2009-06-26  DJ Delorie  <dj@redhat.com>
1293
1294         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
1295
1296         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
1297         the scheduler doesn't tag jump insns.
1298
1299 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
1300
1301         * c-decl.c (merge_decls): Re-indent.
1302
1303 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
1304
1305         PR c/39902
1306         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
1307         Special-case decimal float constants.
1308
1309 2009-06-26  Richard Henderson  <rth@redhat.com>
1310
1311         * function.h (struct function): Add cannot_be_copied_reason,
1312         and cannot_be_copied_set.
1313         * tree-inline.c (has_label_address_in_static_1): Rename from
1314         inline_forbidden_p_2; don't set inline_forbidden_reason here.
1315         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
1316         don't set inline_forbidden_reason.
1317         (copy_forbidden): New function, split out of inline_forbidden_p.
1318         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
1319         (inline_forbidden_p): Use copy_forbidden.
1320         (tree_versionable_function_p): Likewise.
1321         (inlinable_function_p): Merge into tree_inlinable_function_p.
1322         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
1323         * ipa-cp.c (ipcp_versionable_function_p): New function.
1324         (ipcp_cloning_candidate_p): Use it.
1325         (ipcp_node_modifiable_p): Likewise.
1326
1327 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
1328
1329         * builtins.c (expand_builtin_alloca): Handle builtin alloca
1330         that is marked not to be inlined. Remove flag_mudflap use.
1331         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
1332         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
1333
1334 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
1335
1336         PR bootstrap/40338
1337         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
1338         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
1339
1340 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
1341
1342         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
1343         shared libgcc.
1344         (__mingwthr_remove_key_dtor): Likewise.
1345
1346 2009-06-26  Richard Guenther  <rguenther@suse.de>
1347
1348         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
1349
1350 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
1351
1352         PR middle-end/40525
1353         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
1354         try the non-cond_exec path also.
1355
1356 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1357
1358         PR target/40468
1359         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
1360         (output_cbranch): Use new functions.
1361         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
1362         Likewise.
1363
1364 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1365             Pat Haugen  <pthaugen@us.ibm.com>
1366             Revital Eres <ERES@il.ibm.com>
1367
1368         * config/rs6000/rs6000.c (print_operand): Correct lossage message
1369         for %c error.  Add %x support to print VSX registers as a unified
1370         register set, instead of separate float and altivec registers.
1371         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
1372         %y case, and add support for VSX pre-modify addresses.
1373         (output_toc): Add assert for CONST containing an integer constant
1374         in the PLUS case.
1375         (rs6000_adjust_cost): Add POWER7 support.
1376         (insn_must_be_first_in_group): Ditto.
1377         (insn_must_be_last_in_group): Ditto.
1378         (rs6000_emit_popcount): Ditto.
1379         (rs6000_vector_mode_supported_p): Ditto.
1380
1381         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
1382         Change some of the functions called by macros to being called
1383         through a pointer, so debug functions can be inserted if
1384         -mdebug=addr or -mdebug=cost. 
1385         (rs6000_preferred_reload_class_ptr): Ditto.
1386         (rs6000_secondary_reload_class_ptr): Ditto.
1387         (rs6000_secondary_memory_needed_ptr): Ditto.
1388         (rs6000_cannot_change_mode_class_ptr): Ditto.
1389         (rs6000_secondary_reload_inner): Ditto.
1390         (rs6000_legitimize_reload_address): Ditto.
1391         (rs6000_legitimize_reload_address_ptr): Ditto.
1392         (rs6000_mode_dependent_address): Ditto.
1393         (rs6000_mode_dependent_address_ptr): Ditto.
1394
1395         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
1396         function to return true if the mode allows reg + integer
1397         addresses.
1398         (virtual_stack_registers_memory_p): New function to return true if
1399         the address refers to a virtual stack register.
1400         (rs6000_legitimate_offset_address_p): Move code to say whether a
1401         mode supports reg+int addressing to reg_offset_addressing_ok_p and
1402         call it.
1403         (rs6000_legitimate_address_p): Add checks for modes that only can
1404         do reg+reg addressing.  Start adding VSX support.
1405         (rs6000_legitimize_reload_address): Ditto.
1406         (rs6000_legitimize_address): Ditto.
1407         (rs6000_debug_legitimate_address_p): New debug functions for
1408         -mdebug=addr and -mdebug=cost.
1409         (rs6000_debug_rtx_costs): Ditto.
1410         (rs6000_debug_address_costs): Ditto.
1411         (rs6000_debug_adjust_cost): Ditto.
1412         (rs6000_debug_legitimize_address): Ditto.
1413         (rs6000_legitimize_reload_address_ptr): Point to call normal
1414         function or debug function.  Make functions called via pointer
1415         static.
1416         (rs6000_mode_dependent_address_ptr): Ditto.
1417         (rs6000_secondary_reload_class_ptr): Ditto.
1418         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
1419         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
1420         into a friendlier error.
1421         (rs6000_init_builtins): Add initial VSX support.
1422         (rs6000_adjust_cost): Fix some spacing issues.
1423
1424         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
1425         (REG_CLASS_NAMES): Ditto.
1426         (REG_CLASS_CONTENTS): Ditto.
1427         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
1428         pointer, to add -mdebug=addr support.
1429         (CANNOT_CHANGE_MODE_CLASS): Ditto.
1430         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
1431         -mdebug=addr support.
1432         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
1433         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
1434         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
1435
1436         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
1437         16-bit values.
1438         (bswapsi*): Set attribute types for load/store.  Add combiner
1439         patterns to eliminate zero extend on 64-bit.
1440         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
1441         stdbrx if the hardware supports those instructions.
1442
1443 2009-06-25  Ian Lance Taylor  <iant@google.com>
1444
1445         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
1446         (Link Options): Document -static-libstdc++.
1447
1448 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1449
1450         PR target/38731
1451         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
1452         DATA_ALIGNMENT instead.
1453
1454 2009-06-25  Richard Guenther  <rguenther@suse.de>
1455
1456         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
1457         indirect references against the callused/escaped solutions.
1458         (call_may_clobber_ref_p_1): Likewise.
1459
1460 2009-06-25  Martin Jambor  <mjambor@suse.cz>
1461
1462         PR tree-optimization/40493
1463         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
1464         (enum unscalarized_data_handling): New type.
1465         (handle_unscalarized_data_in_subtree): Return what has been done.
1466         (load_assign_lhs_subreplacements): Handle left flushes differently.
1467         (sra_modify_assign): Use unscalarized_data_handling, simplified
1468         condition determining whether to remove the statement.
1469
1470 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
1471
1472         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
1473         excerpt - @ should be doubled for texinfo.
1474
1475 2009-06-24  Ian Lance Taylor  <iant@google.com>
1476
1477         * config/arc/arc.c: Include "df.h".
1478         (arc_attribute_table): Make static.  Move higher in file.
1479         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
1480         (output_shift): Initialize n later to avoid warning.
1481         * config/arm/arm.c (arm_attribute_table): Make static.  Move
1482         higher in file.
1483         * config/avr/avr.c (avr_attribute_table): Make static.  Move
1484         higher in file.
1485         (reg_class_tab): Change array type from int to enum reg_class.
1486         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
1487         LABEL_REF.
1488         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
1489         (lshrhi3_out): Likewise.
1490         (class_likely_spilled_p): Change return type to bool.
1491         (avr_rtx_costs): Use local code variable with enum type.
1492         * config/avr/avr.md (movmemhi): Use add_reg_note.
1493         (andhi3, andsi3): Don't use AS2 with "and".
1494         (iorhi3, iorsi3): Don't use AS2 with "or".
1495         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
1496         * config/crx/crx.c: Include "df.h".
1497         (crx_attribute_table): Make static.
1498         * config/m32r/m32r.c: Include "df.h".
1499         (m32r_attribute_table): Make static.  Move higher in file.
1500         (pop): Use add_reg_note.
1501         (block_move_call): Change 0 to LCT_NORMAL in function call.
1502         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
1503         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
1504         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
1505         declare, not just when TREE_CODE is defined.
1506         * config/m68hc11/m68hc11.c: Include "expr.h".
1507         (m68hc11_attribute_table): Make static.  Move higher in file.
1508         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
1509         function call.
1510         (m68hc11_register_indirect_p): Likewise.
1511         (m68hc11_function_arg_padding): Change return type to enum
1512         direction.
1513         (emit_move_after_reload): Use add_reg_note.
1514         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
1515         (m68hc11_split_logical): Likewise.
1516         (m68hc11_rtx_costs): Add local code_and outer_code variables with
1517         enum type.
1518         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
1519         to VOIDmode in function call.
1520         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
1521         tree is defined.
1522         (m68hc11_split_logical): Update declaration.
1523         (m68hc11_function_arg_padding): Update declaration.
1524         * config/mcore/mcore.c (regno_reg_class): Change form array of int
1525         to array of enum reg_class.
1526         (mcore_attribute_table): Make static.  Move higher in file.
1527         (mcore_rtx_costs): Add cast to enum type.
1528         * config/mcore/mcore.h (regno_reg_class): Update declaration.
1529         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
1530         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
1531         in file.
1532         * config/sh/predicates.md (trapping_target_operand): Rename and to
1533         and_expr.
1534         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
1535         higher in file.
1536         * config/spu/spu.c (spu_attribute_table): Make static.  Move
1537         higher in file.
1538         * config/v850/v850.c (v850_attribute_table): Make static.  Move
1539         higher in file.
1540         (v850_rtx_costs): Use local code with enum type.
1541         (expand_epilogue): Add cast.
1542         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
1543
1544 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
1545
1546         PR target/40515
1547         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
1548         -m2a-single-only and -m2a-nofpu.
1549         * config/sh/sh.opt: Document m2a generates FPU code.  
1550
1551 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
1552
1553         * defaults.h (CAN_ELIMINATE): Provide default.
1554         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
1555         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
1556         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
1557         * config/spu/spu.h (CAN_ELIMINATE): Delete.
1558         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
1559         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
1560         * config/cris/cris.h (CAN_ELIMINATE): Delete.
1561         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
1562         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
1563         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
1564
1565 2009-06-24  DJ Delorie  <dj@redhat.com>
1566
1567         * mep-ext-cop.cpu: Fix copyright notice.
1568         * mep-default: Fix copyright notice.
1569         * mep-core: Fix copyright notice.
1570         * mep: Fix copyright notice.
1571         * mep-ivc2: Fix copyright notice.
1572         * mep-c5: Fix copyright notice.
1573
1574 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
1575
1576         * doc/contrib.texi (Contributors): 
1577
1578 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1579         
1580         PR middle-end/40501
1581         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
1582         src and dst operands if necessary.
1583
1584 2009-06-23  DJ Delorie  <dj@redhat.com>
1585
1586         Add MeP port.
1587         * config.gcc: Add mep support.
1588         * recog.c: Resurrect validate_replace_rtx_subexp().
1589         * recog.h: Likewise.
1590         * config/mep/: Add new port:
1591         * config/mep/constraints.md: New file.
1592         * config/mep/default.h: New file.
1593         * config/mep/intrinsics.h: New file.
1594         * config/mep/intrinsics.md: New file.
1595         * config/mep/ivc2-template.h: New file.
1596         * config/mep/mep-c5.cpu: New file.
1597         * config/mep/mep-core.cpu: New file.
1598         * config/mep/mep-default.cpu: New file.
1599         * config/mep/mep-ext-cop.cpu: New file.
1600         * config/mep/mep-intrin.h: New file.
1601         * config/mep/mep-ivc2.cpu: New file.
1602         * config/mep/mep-lib1.asm: New file.
1603         * config/mep/mep-lib2.c: New file.
1604         * config/mep/mep-pragma.c: New file.
1605         * config/mep/mep-protos.h: New file.
1606         * config/mep/mep-tramp.c: New file.
1607         * config/mep/mep.c: New file.
1608         * config/mep/mep.cpu: New file.
1609         * config/mep/mep.h: New file.
1610         * config/mep/mep.md: New file.
1611         * config/mep/mep.opt: New file.
1612         * config/mep/predicates.md: New file.
1613         * config/mep/t-mep: New file.
1614
1615 2009-06-23  Ian Lance Taylor  <iant@google.com>
1616
1617         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
1618         from loose_warn into c_loose_warn and from strict_warn into
1619         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
1620         --enable-build-with-cxx.  Set and substitute
1621         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
1622         * Makefile.in (CXXFLAGS): New variable.
1623         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
1624         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
1625         the default is the same as $(STRICT_WARN).
1626         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
1627         (CXX): New variable.
1628         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
1629         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
1630         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
1631         (HOST_LIBS): New variable.
1632         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
1633         (ALL_CXXFLAGS): New variable.
1634         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
1635         * doc/install.texi (Configuration): Document
1636         --enable-build-with-cxx, --with-stage1-ldflags,
1637         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
1638         * configure: Rebuild.
1639
1640 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1641
1642         * config/arm/arm.c (arm_override_options): Fix braces and formatting
1643         from previous commit.
1644
1645 2009-06-23  Ian Lance Taylor  <iant@google.com>
1646
1647         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
1648
1649 2009-06-23  Ian Lance Taylor  <iant@google.com>
1650
1651         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
1652         with ATTRIBUTE_UNUSED.
1653
1654 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1655             Pat Haugen  <pthaugen@us.ibm.com>
1656             Revital Eres  <eres@il.ibm.com>
1657
1658         * config.in (HAVE_AS_POPCNTD): Add default definition.
1659         (HAVE_AS_LWSYNC): Ditto.
1660
1661         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
1662         release number.
1663         (gcc_cv_as_powerpc_cmpb): Ditto.
1664         (gcc_cv_as_powerpc_dfp): Ditto.
1665         (gcc_cv_as_powerpc_vsx): Ditto.
1666         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
1667         supporting the popcntd/lwsync instructions.
1668         (gcc_cv_as_powerpc_lwsync): Ditto.
1669         * configure: Regenerate.
1670
1671         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
1672         -mcpu=native and -mcpu=power7.
1673         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
1674
1675         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
1676         a variable instead of a mask to reduce the number of mask bits.
1677         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
1678         (-mbit-word): Ditto.
1679         (-mregnames): Ditto.
1680         * config/rs6000/rs6000.opt (-mupdate): Ditto.
1681         (-mfused-madd): Ditto.
1682
1683         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
1684         2.06 instructions.
1685         (-mvsx): New switch for VSX instructions.
1686         (-misel): Move from a variable to a mask to allow it to be set by
1687         -mcpu=.
1688
1689         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
1690         function declaration to an array declaration.
1691         (rs6000_hard_regno_nregs): New external array declaration.
1692
1693         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
1694         files included by rs6000.md.
1695
1696         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
1697         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
1698
1699         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
1700         a target mask.
1701         (rs6000_debug_reg): New -mdebug= variables.
1702         (rs6000_debug_addr): Ditto.
1703         (rs6000_debug_cost): Ditto.
1704         (rs6000_pmode): New variable to hold Pmode.
1705         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
1706         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
1707         calculated at compiler start.
1708         (rs6000_hard_regno_nregs): Change function to an array which holds
1709         HARD_REGNO_NREGS calculated at compiler start.
1710         (rs6000_explicit_options): Delete isel field.
1711         (rs6000_vector_unit): New array to hold which vector unit
1712         supports arithmetic options for a given type.
1713         (rs6000_vector_mem): New array to hold which vector unit supports
1714         memory reference operations for a given type.
1715         (rs6000_vector_align): New array to given the alignment of each
1716         vector type.
1717         (power7_cost): New basic costs for power7.
1718         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
1719         (rs6000_hard_regno_nregs_internal): New function, moved from
1720         HARD_REGNO_NREGS, to calculate the number of registers each hard
1721         register takes for each type.
1722         (rs6000_debug_reg_print): New function for -mdebug=reg support.
1723         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
1724         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
1725         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
1726         unit information here so it is calculated once at compiler startup
1727         time.
1728         (rs6000_override_options): Make -misel a target mask.  Add more
1729         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
1730         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
1731         -mdebug=cost.
1732         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
1733         (rs6000_handle_option): Move -misel from variable to target mask.
1734         (rs6000_builtin_mask_for_load): Add VSX support.
1735         (rs6000_conditional_register_usage): Ditto.
1736         (USE_ALTIVEC_FOR_ARG_P): Ditto.
1737         (function_arg_boundary): Ditto.
1738         (rs6000_expand_builtin): Ditto.
1739         (def_builtin): Make abort message a little friendlier.
1740         (rs6000_emit_int_cmove): Add support for 64-bit isel.
1741
1742         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
1743         assembler support the popcntd instruction instead of a vsx
1744         instruction to enable power7 support.
1745         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
1746         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
1747         option to the assembler if -mcpu=native.
1748         (ASM_CPU_NATIVE_SPEC): Ditto.
1749         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
1750         ISA 2.06 features.
1751         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
1752         the lwsync instruction.
1753         (enum processor_type): Add PROCESSOR_POWER7.
1754         (rs6000_debug_reg): New -mdebug= options.
1755         (rs6000_debug_addr): Ditto.
1756         (rs6000_debug_cost): Ditto.
1757         (rs6000_isel): Delete.
1758         (enum rs6000_vector): New enum to say what vector unit we have.
1759         (VECTOR_UNIT_*): New macros to say which vector unit has
1760         arithmetic operations for a given type.
1761         (VECTOR_MEM_*): New macros to say which vector unit has memory
1762         operations for a given type.
1763         (TARGET_LDBRX): Whether the machine supports the ldbrx
1764         instruction.
1765         (TARGET_ISEL): Delete, -misel moved to be a mask.
1766         (TARGET_ISEL64): New macro for 64-bit isel support.
1767         (UNITS_PER_VSX_WORD): New macro.
1768         (POINTER_SIZE): Move to be an external variable, rather than
1769         calculating whether we are generating 32 ot 64-bit code.
1770         (Pmode): Ditto.
1771         (STACK_BOUNDARY): Add VSX support.
1772         (LOCAL_ALIGNMENT): Ditto.
1773         (SLOW_UNALIGNED_ACCESS): Ditto.
1774         (VSX_REGNO_P): New macro for VSX support.
1775         (VFLOAT_REGNO_P): Ditto.
1776         (VINT_REGNO_P): Ditto.
1777         (VLOGICAL_REGNO_P): Ditto.
1778         (VSX_VECTOR_MODE): Ditto.
1779         (VSX_SCALAR_MODE): Ditto.
1780         (VSX_MODE): Ditto.
1781         (VSX_MOVE_MODE): Ditto.
1782         (VSX_REG_CLASS_P): Ditto.
1783         (HARD_REGNO_NREGS): Instead of calling a function, use an array
1784         lookup.
1785         (UNITS_PER_SIMD_WORD): Add VSX support.
1786         (MODES_TIEABLE_P): Ditto.
1787         (STARTING_FRAME_OFFSET): Ditto.
1788         (STACK_DYNAMIC_OFFSET): Ditto.
1789         (EPILOGUE_USES): Ditto.
1790         (REGNO_REG_CLASS): Move to array lookup.
1791         (CLASS_MAX_NREGS): Ditto.
1792         (rs6000_vector_reg_class): Add declaration.
1793         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
1794         overlap with the floating point and Altivec registers.
1795
1796         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
1797
1798         * config/rs6000/driver-rs6000.c (asm_names): New static array to
1799         give the appropriate asm switches if -mcpu=native.
1800         (host_detect_local_cpu): Add support for "asm".
1801         (host_detect_local_cpu): Follow GNU code guidelines for name.
1802
1803         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
1804         -mbit-word to a variable instead of being a target mask.
1805
1806         * config/rs6000/sync.md (lwsync): If the assembler supports it,
1807         emit the lwsync instruction instead of emitting the instruction as
1808         an integer constant.
1809
1810         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
1811         fixuns_trundfsi2, move expander into rs6000.md.
1812
1813         * config/rs6000/rs6000.md (cpu): Add power7.
1814         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
1815         (logical predicate patterns): Change the single instruction
1816         primitives that set CR0 to be fast_compare instead of compare.
1817         (norsi*): Ditto.
1818         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
1819         (popcntddi2): Ditto.
1820         (popcount<mode>): Ditto.
1821         (floating multiply/add insns): Name the floating point
1822         multiply/add insns.
1823         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
1824         (isel_unsigned_<mode>): Ditto.
1825         (fixuns_trundfsi2): Move expander here from spe.md.
1826         (smindi3): Define if we have -misel on 64-bit systems.
1827         (smaxdi3): Ditto.
1828         (umindi3): Ditto.
1829         (umaxdi3): Ditto.
1830
1831 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
1832
1833         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
1834         extra_objs.
1835         * config/avr/avr.c (avr_current_device): New variable.
1836         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
1837         (avr_arch, mcu_type_s): Move to avr.h.
1838         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
1839         default_data_section_start fields.
1840         (avr_arch): Moved from avr.c.
1841         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
1842         library_name fields.
1843         (avr_current_device, avr_mcu_types, avr_arch_types,
1844         avr_device_to_arch, avr_device_to_data_start,
1845         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
1846         (EXTRA_SPEC_FUNCTIONS): Define.
1847         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
1848         options mapping. Use device_to_arch and device_to_data_start insted.
1849         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
1850         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
1851         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
1852         * config/avr/driver-avr.c: New file.
1853         * config/avr/avr-devices.c: New file.
1854
1855 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
1856
1857         * var-tracking.c (unshare_variable): Force initialized to
1858         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
1859         (set_variable_part): Likewise.
1860         (struct variable_union_info): Remove pos_src field.
1861         (vui_vec, vui_allocated): New variables.
1862         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
1863         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
1864         == 1 use a simpler sorting algorithm.  Compute pos field right
1865         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
1866         Avoid quadratic comparison if !flag_var_tracking_uninit.
1867         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
1868         unshare_variable unconditionally.   
1869         (dataflow_set_different_2): Removed.
1870         (dataflow_set_different): Don't traverse second hash table.
1871         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
1872         unconditionally to var_reg_set or var_mem_set.
1873         (emit_notes_in_bb): Likewise.
1874         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
1875         unshare_variable.
1876         (emit_note_insn_var_location): Don't set initialized to
1877         VAR_INIT_STATUS_INITIALIZED early.
1878         (vt_finalize): Free vui_vec if needed, clear vui_vec and
1879         vui_allocated.
1880         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
1881
1882         * tree-object-size.c (addr_object_size): Instead of checking
1883         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
1884         are no FIELD_DECLs following it.
1885
1886 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1887
1888         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
1889         order to match bswaps with signed source operands.
1890
1891 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1892
1893         * sdbout.c (sdbout_one_type): Fix braces in switch.
1894
1895 2009-06-23  Richard Guenther  <rguenther@suse.de>
1896
1897         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
1898         member.
1899         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
1900         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
1901         var_callused, callused_tree, var_storedanything, storedanything_tree,
1902         var_integer, integer_tree): Remove global variables.
1903         (new_var_info): Do not pass new id, append the new var to the
1904         global variable vector.
1905         (do_ds_constraint): Use is_global_var member of the variable-info.
1906         (new_scalar_tmp_constraint_exp): Adjust.
1907         (create_function_info_for): Likewise.
1908         (create_variable_info_for): Likewise.
1909         (find_what_var_points_to): Remove dead code.
1910         (init_base_vars): Simplify.
1911         (compute_points_to_sets): Adjust.
1912
1913 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
1914
1915         * combine.c (try_combine): Dump information about the insns we're
1916         combining.
1917
1918 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
1919
1920         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
1921         check when calling force_to_mode on TRUNCATE's operand.
1922
1923 2009-06-22  Ian Lance Taylor  <iant@google.com>
1924
1925         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
1926
1927 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
1928
1929         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
1930
1931 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1932
1933         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
1934         override library linkage flags such as -static-libgcc or
1935         -shared-libgcc.
1936
1937 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1938
1939         * config/m68k/m68k-devices.def: Add line for MCF5221x.
1940
1941 2009-06-22  Ian Lance Taylor  <iant@google.com>
1942
1943         * config/linux.opt: Put mglibc ahead of muclibc.
1944
1945         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
1946         for duplicate decls.
1947
1948 2009-06-22  Matthias Klose  <doko@ubuntu.com>
1949
1950         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
1951
1952 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
1953
1954         PR objc/28050
1955         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
1956         instead of NULL if a parser error occurs.
1957
1958 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1959
1960         * dwarf2out.c (dwarf2_debug_hooks): Initialize
1961         non-DWARF2_DEBUGGING_INFO version.
1962
1963 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
1964
1965         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
1966         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
1967
1968         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
1969         (LIBGCC2_TF_CEXT): Define.
1970         (TF_SIZE): Define.
1971
1972 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1973
1974         PR target/40463
1975         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
1976
1977 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1978
1979         * config/arm/arm.c (arm_override_options): Disable
1980         -mcaller-super-interworking and -mcallee-super-interworking.
1981         * doc/invoke.texi (ARM Options): Document this.
1982
1983 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
1984
1985         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
1986         * config/arm/constraints.md (j): New constraint for movw operands.
1987         (N): Remove thumb2 meaning.
1988         * config/arm/arm.md (*arm_movw): Delete.
1989         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
1990         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
1991         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
1992
1993 2009-06-22  Martin Jambor  <mjambor@suse.cz>
1994
1995         PR tree-optimization/40492
1996         * tree-sra.c (sra_modify_assign): Pass zero offsets to
1997         build_ref_for_offset.
1998
1999 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
2000
2001         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
2002         JUMP_TABLE_DATA_P predicates where applicable.
2003         * auto-inc-dec.c: Ditto.
2004         * builtins.c: Ditto.
2005         * caller-save.c: Ditto.
2006         * calls.c: Ditto.
2007         * cfgcleanup.c: Ditto.
2008         * cfglayout.c: Ditto.
2009         * cfgrtl.c: Ditto.
2010         * combine.c: Ditto.
2011         * combine-stack-adj.c: Ditto.
2012         * cse.c: Ditto.
2013         * cselib.c: Ditto.
2014         * dbxout.c: Ditto.
2015         * df-scan.c: Ditto.
2016         * dse.c: Ditto.
2017         * dwarf2asm.c: Ditto.
2018         * dwarf2out.c: Ditto.
2019         * emit-rtl.c: Ditto.
2020         * except.c: Ditto.
2021         * explow.c: Ditto.
2022         * expmed.c: Ditto.
2023         * expr.c: Ditto.
2024         * final.c: Ditto.
2025         * function.c: Ditto.
2026         * fwprop.c: Ditto.
2027         * gcse.c: Ditto.
2028         * genpreds.c: Ditto.
2029         * genrecog.c: Ditto.
2030         * ifcvt.c: Ditto.
2031         * ira-costs.c: Ditto.
2032         * ira-lives.c: Ditto.
2033         * jump.c: Ditto.
2034         * loop-iv.c: Ditto.
2035         * lower-subreg.c: Ditto.
2036         * modulo-sched.c: Ditto.
2037         * optabs.c: Ditto.
2038         * postreload.c: Ditto.
2039         * print-rtl.c: Ditto.
2040         * recog.c: Ditto.
2041         * reginfo.c: Ditto.
2042         * regmove.c: Ditto.
2043         * reload1.c: Ditto.
2044         * reload.c: Ditto.
2045         * reorg.c: Ditto.
2046         * rtlanal.c: Ditto.
2047         * rtl.c: Ditto.
2048         * sched-vis.c: Ditto.
2049         * sdbout.c: Ditto.
2050         * sel-sched-ir.c: Ditto.
2051         * simplify-rtx.c: Ditto.
2052         * targhooks.c: Ditto.
2053         * var-tracking.c: Ditto.
2054         * vmsdbgout.c: Ditto.
2055
2056 2009-06-22  Matthias Klose  <doko@ubuntu.com>
2057
2058         * Makefile.in (install-plugin): Always use DESTDIR.
2059
2060 2009-06-22  Olivier Hainque  <hainque@adacore.com>
2061         
2062         * config/pa/pa.c (output_call): Don't optimize post call jumps
2063         into return address adjustments if the call may throw.
2064
2065 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
2066
2067         * arm.c (thumb1_output_casesi): New function.
2068         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
2069         optimizing for size or PIC.
2070         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
2071         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
2072         (casesi): Handle Thumb-1 when optimizing for size or PIC.
2073         (thumb1_casesi_internal_pic): New expand rule.
2074         (thumb1_casesi_dispatch): New pattern.
2075         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
2076         thumb-1 mode.
2077         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
2078         in the text seciton when PIC or optimizing for size.
2079         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2080         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
2081         preservation properties of code.
2082         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
2083         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
2084         (__gnu_thumb1_case_si): New function.
2085         * t-arm (LIB1ASMSRC): Define here.
2086         (LIB1ASMFUNCS): Add some common functions.
2087         * t-arm-elf (LIB1ASMSRC): Delete.
2088         (LIB1ASMFUNCS): Append to existing set.
2089         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2090         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2091         * t-symbian (LIB1ASMFUNCS): Likewise.
2092         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2093         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2094
2095 2009-06-21  Richard Guenther  <rguenther@suse.de>
2096
2097         PR tree-optimization/38729
2098         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
2099         to loops with a single exit if -fno-expensive-optimizations.
2100
2101 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
2102
2103         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
2104         (dataflow_set): Change vars type from htab_t to shared_hash.
2105         (shared_hash_pool, empty_shared_hash): New variables.
2106         (vars_clear): Removed.
2107         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
2108         shared_hash_find_slot_unshare, shared_hash_find_slot,
2109         shared_hash_find_slot_noinsert, shared_hash_find): New
2110         static inlines.
2111         (shared_hash_unshare, shared_hash_destroy): New functions.
2112         (unshare_variable): Unshare set->vars if shared, use
2113         shared_hash_htab.
2114         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
2115         (get_init_value, find_src_set_src, dump_dataflow_set,
2116         clobber_variable_part, emit_notes_for_differences): Use
2117         shared_hash_htab.
2118         (dataflow_set_init): Remove second argument, set vars to
2119         empty_shared_hash instead of creating a new htab.
2120         (dataflow_set_clear): Call shared_hash_destroy and set vars
2121         to empty_shared_hash instead of calling vars_clear.
2122         (dataflow_set_copy): Don't call vars_copy, instead just share
2123         the src htab with dst.
2124         (variable_union): Use shared_hash_*, use initially NO_INSERT
2125         lookup if set->vars is shared.  Don't keep slot cleared before
2126         calling unshare_variable.  Unshare set->vars if needed.
2127         Even ->refcount == 1 vars must be unshared if set->vars is shared
2128         and var needs to be modified.
2129         (variable_canonicalize): New function.
2130         (dataflow_set_union): If dst->vars is empty, just share src->vars
2131         with dst->vars and traverse with variable_canonicalize to canonicalize
2132         and unshare what is needed.
2133         (dataflow_set_different): If old_set and new_set use the same shared
2134         htab, they aren't different.  If number of htab elements is different,
2135         htabs are different.  Use shared_hash_*.
2136         (dataflow_set_destroy): Call shared_hash_destroy instead of
2137         htab_delete.
2138         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
2139         second argument to dataflow_set_init.
2140         (vt_initialize): Likewise.  Initialize shared_hash_pool and
2141         empty_shared_hash, move bb in/out initialization afterwards.
2142         Use variable_htab_free instead of NULL as changed_variables del hook.
2143         (variable_was_changed): Change type of second argument to pointer to
2144         dataflow_set.  When inserting var into changed_variables, bump
2145         refcount.  Unshare set->vars if set is shared htab and slot needs to
2146         be cleared.
2147         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
2148         lookup if set->vars is shared.  Unshare set->vars if needed.
2149         Even ->refcount == 1 vars must be unshared if set->vars is shared
2150         and var needs to be modified.  Adjust variable_was_changed caller.
2151         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
2152         vars must be unshared if set->vars is shared and var needs to be
2153         modified.  Adjust variable_was_changed caller.
2154         (emit_note_insn_var_location): Don't pool_free var.
2155         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
2156         instead of 1.
2157         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
2158         free_alloc_pool on shared_hash_pool.
2159
2160 2009-06-20  Anthony Green  <green@moxielogic.com>
2161
2162         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
2163         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
2164
2165 2009-06-20  Richard Guenther  <rguenther@suse.de>
2166
2167         * tree-ssa-structalias.c (find_func_aliases): For memset use
2168         a constraint from NULL if we memset to zero.
2169         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
2170         we explicitly handle that do not read from memory.
2171         (call_may_clobber_ref_p_1): Properly handle builtins that may
2172         set errno.
2173
2174 2009-06-20  Richard Guenther  <rguenther@suse.de>
2175
2176         PR tree-optimization/40495
2177         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
2178         (new_scalar_tmp_constraint_exp): New function.
2179         (process_constraint): Do not create temporary decls.
2180         (process_all_all_constraints): Likewise.
2181         (handle_const_call): Likewise.
2182         (create_function_info_for): Do not set decl.
2183
2184 2009-06-19  Ian Lance Taylor  <iant@google.com>
2185
2186         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
2187         (rs6000_attribute_table): Make static; move before use.
2188
2189 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
2190
2191         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
2192         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
2193         Propagate the TREE_READONLY flag without overwriting it.
2194         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
2195         Propagate the TREE_READONLY flag onto the result.
2196         (process_call_operands): Move around.  Use correct constant value.
2197
2198 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2199
2200         PR target/40482
2201         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
2202         * config/arm/arm.md: Likewise.
2203
2204 2009-06-19  Ian Lance Taylor  <iant@google.com>
2205
2206         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
2207         to GIMPLE_ERROR_MARK.
2208
2209         * c-typeck.c (build_conditional_expr): Add op1_original_type and
2210         op2_original_type parameters.  Warn about using different enum types.
2211         * c-parser.c (c_parser_conditional_expression): Pass original
2212         types to build_conditional_expr.
2213         * c-tree.h (build_conditional_expr): Update declaration.
2214
2215 2009-06-19  Ian Lance Taylor  <iant@google.com>
2216
2217         * config/i386/i386.c (ix86_function_specific_save): Test that
2218         fields match values, rather than testing the values are in a
2219         certain range.
2220
2221 2009-06-19  Richard Guenther  <rguenther@suse.de>
2222
2223         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
2224         ADDR_EXPR pointers.
2225         (ptr_derefs_may_alias_p): Likewise.
2226         (ptr_deref_may_alias_ref_p_1): New function.
2227         (ptr_deref_may_alias_ref_p): Likewise.
2228         (ref_maybe_used_by_call_p_1): Handle builtins that are not
2229         covered by looking at the ESCAPED solution.
2230         (call_may_clobber_ref_p_1): Likewise.
2231         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
2232         Handle NULL_TREE offset.  Do not produce redundant constraints.
2233         (process_all_all_constraints): New helper function.
2234         (do_structure_copy): Use it.
2235         (handle_lhs_call): Likewise.
2236         (find_func_aliases): Handle some builtins with pointer arguments
2237         and/or return values explicitly.
2238
2239 2009-06-19  Ian Lance Taylor  <iant@google.com>
2240
2241         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
2242
2243 2009-06-19  Ian Lance Taylor  <iant@google.com>
2244
2245         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
2246
2247 2009-06-19  Ian Lance Taylor  <iant@google.com>
2248
2249         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
2250         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
2251         version.
2252
2253         * c-decl.c (finish_decl): If -Wc++-compat, warn about
2254         uninitialized const.
2255
2256 2009-06-19  Ian Lance Taylor  <iant@google.com>
2257
2258         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
2259         all uses.
2260
2261         * c-decl.c (in_struct, struct_types): Remove.
2262         (struct c_binding): Add in_struct field.
2263         (c_binding_ptr): Define type, along with VEC.
2264         (struct c_struct_parse_info): Define.
2265         (struct_parse_info): New static variable.
2266         (bind): Initialize in_struct field.
2267         (start_struct): Remove enclosing_in_struct and
2268         enclosing_struct_types parameters.  Add
2269         enclosing_struct_parse_info parameter.  Change all callers.  Set
2270         struct_parse_info rather than in_struct and struct_types.
2271         (grokfield): If -Wc++-compat and there is a symbol binding for the
2272         field name, set the in_struct flag and push it on the
2273         struct_parse_info->fields vector.
2274         (warn_cxx_compat_finish_struct): New static function.
2275         (finish_struct): Remove enclosing_in_struct and
2276         enclosing_struct_types parameters.  Add
2277         enclosing_struct_parse_info parameter.  Change all callers.  Don't
2278         set C_TYPE_DEFINED_IN_STRUCT here.  Call
2279         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
2280         parameter.  Only push on struct_types if warn_cxx_compat.
2281         (finish_enum): Only push on struct_types if warn_cxx_compat.
2282         (declspecs_add_type): Add loc parameter.  Change all callers.
2283         Change all error calls to error_at.  Pass loc, not input_location,
2284         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
2285         defined in a struct.  If -Wc++-compat and parsing a struct, record
2286         that a typedef name was used.
2287         * c-parser.c (c_parser_declspecs): Get location to pass to
2288         declspecs_add_type.
2289         (c_parser_struct_or_union_specifier): Update calls to start_struct
2290         and finish_struct.
2291         * c-tree.h (struct c_struct_parse_info): Declare.
2292         (finish_struct, start_struct): Update declarations.
2293         (declspecs_add_type): Update declaration.
2294
2295 2009-06-19  Ian Lance Taylor  <iant@google.com>
2296
2297         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
2298         variable with an anonymous type.
2299
2300 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
2301
2302         * see.c: Remove for real.
2303
2304 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
2305
2306         * optabs.h (enum optab_index): Add new OTI_significand.
2307         (significand_optab): Define corresponding macro.
2308         * optabs.c (init_optabs): Initialize significand_optab.
2309         * genopinit.c (optabs): Implement significand_optab using
2310         significand?f2 patterns.
2311         * builtins.c (expand_builtin_mathfn): Handle
2312         BUILT_IN_SIGNIFICAND{,F,L}.
2313         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
2314         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2315
2316         * config/i386/i386.md (significandxf2, significand<mode>2): New
2317         expanders to implement significandf, significand and significandl
2318         built-ins as inline x87 intrinsics.
2319
2320 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
2321
2322         * config/avr/avr.c (avr_override_options): Remove setting value of
2323         PARAM_INLINE_CALL_COST.
2324
2325 2009-06-18  Richard Henderson  <rth@redhat.com>
2326
2327         PR 40488
2328         * tree-pass.h (TDF_ASMNAME): New.
2329         * tree-dump.c (dump_options): Add asmname.
2330         * doc/invoke.texi: Document it.
2331
2332         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
2333         (dump_decl_name): ...here.
2334         (dump_function_name): New flags arg; mind TDF_ASMNAME.
2335         (dump_generic_node): Update dump_function_name calls.
2336         (print_call_name): New flags arg; update all dump calls.
2337         * diagnostic.h (print_call_name): Update.
2338         * gimple-pretty-print.c (dump_gimple_call): Update.
2339
2340 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
2341
2342         PR target/40470
2343         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
2344
2345 2009-06-18  Diego Novillo  <dnovillo@google.com>
2346
2347         * doc/plugins.texi: Document plugin_is_GPL_compatible.
2348         * plugin.c (str_license): Declare.
2349         (try_init_one_plugin): Assert that the symbol
2350         'plugin_is_GPL_compatible' exists.
2351
2352 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
2353
2354         * see.c: Remove.
2355         * Makefile.in (OBJS-common): Remove see.o.
2356         (see.o): Remove.
2357         * common.opt (fsee): Mark as preserved for backward compatibility.
2358         * opts.c (common_handle_option): Add OPT_fsee to the backward 
2359         compatibility section.
2360         * passes.c (init_optimization_passes, pass_see): Remove pass.
2361         * timevar.def (TV_SEE): Remove.
2362         * tree-pass.h (pass_see): Remove declaration.
2363         * doc/invoke.texi (-fsee): Remove documentation.
2364         
2365 2009-06-18  Martin Jambor  <mjambor@suse.cz>
2366
2367         * tree-sra.c: Include statistics.h
2368         (sra_stats): New variable.
2369         (sra_initialize): Clear sra_stats.
2370         (create_access_replacement): Increment sra_stats.replacements.
2371         (get_access_replacement): Do not return twice.
2372         (analyze_all_variable_accesses): Increment statistics counter by the
2373         number of scalarized aggregates.
2374         (generate_subtree_copies): Increment sra_stats.subtree_copies.
2375         (sra_modify_expr): Increment sra_stats.exprs.
2376         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
2377         (sra_modify_assign): Increment sra_stats.exprs,
2378         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
2379         (perform_intra_sra): Update statistics counters.
2380         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
2381
2382 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
2383
2384         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
2385         (arm_scalar_mode_supported_p): New function.
2386
2387 2009-06-18  Paul Brook  <paul@codesourcery.com>
2388             Sandra Loosemore  <sandra@codesourcery.com>
2389
2390         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
2391         (__extendhfsf2, __truncsfhf2): Define.
2392         * config/arm/fp16.c: New file.
2393         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
2394         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
2395
2396 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
2397
2398         * doc/extend.texi (Half-Precision): New section.
2399         * doc/invoke.texi (Option Summary): List -mfp16-format.
2400         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
2401         * config/arm/arm.opt (mfp16-format=): New.
2402         * config/arm/arm.c: Include intl.h.
2403         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
2404         (TARGET_INVALID_RETURN_TYPE): Redefine.
2405         (TARGET_PROMOTED_TYPE): Redefine.
2406         (TARGET_CONVERT_TO_TYPE): Redefine.
2407         (arm_fp16_format): Define.
2408         (all_fpus): Add entry for neon-fp16.
2409         (fp_model_for_fpu): Likewise.
2410         (struct fp16_format): Declare.
2411         (all_fp16_formats): Define.
2412         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
2413         functions.
2414         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
2415         and no ldrh.
2416         (arm_legitimate_index_p): Treat HFmode like HImode.
2417         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
2418         (coproc_secondary_reload_class): Special-case HFmode.
2419         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
2420         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
2421         (arm_init_fp16_builtins): New.
2422         (arm_init_builtins): Call it.
2423         (arm_invalid_parameter_type): New.
2424         (arm_invalid_return_type): New.
2425         (arm_promoted_type): New.
2426         (arm_convert_to_type).
2427         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
2428         format.
2429         (arm_emit_fp16_const): New function.
2430         (arm_mangle_type): Mangle __fp16 as "Dh".
2431         * config/arm/arm.h (TARGET_VFPD32): Make it know about
2432         FPUTYPE_NEON_FP16.
2433         (TARGET_NEON_FP16): New.
2434         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
2435         (enum fputype): Add FPUTYPE_NEON_FP16.
2436         (enum arm_fp16_format_type): Declare.
2437         (arm_fp16_format): Declare.
2438         (LARGEST_EXPONENT_IS_NORMAL): Define.
2439         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
2440         * config/arm/arm-modes.def (HFmode): Define.
2441         * config/arm/vfp.md: (*movhf_vfp): New.
2442         (extendhfsf2): New.
2443         (truncsfhf2): New.
2444         * config/arm/arm.md: (fpu): Add neon_fp16.
2445         (floatsihf2, floatdihf2): New.
2446         (fix_trunchfsi2, fix_trunchfdi2): New.
2447         (truncdfhf2): New.
2448         (extendhfdf2): New.
2449         (movhf): New.
2450         (*arm32_movhf): New.
2451         (*thumb1_movhf): New.
2452         (consttable_2): Add check for HFmode constants.
2453         (consttable_4): Handle HFmode constants.
2454
2455 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
2456
2457         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
2458
2459 2009-06-17  Olivier Hainque  <hainque@adacore.com>
2460
2461         * collect2.c (main): Use CONST_CAST2 to perform char ** to
2462         const char ** conversion in AIX specific section.
2463         
2464 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
2465
2466         * config/i386/i386.c (ix86_special_builtin_type): Remove
2467         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
2468         (bdesc_special_args): Updated.
2469         (ix86_init_mmx_sse_builtins): Likewise.
2470         (ix86_expand_special_args_builtin): Likewise.
2471
2472 2009-06-17  Richard Henderson  <rth@redhat.com>
2473
2474         * tree-pretty-print.c (maybe_dump_asm_name): New.
2475         (dump_decl_name): Use it.
2476         (PRINT_FUNCTION_NAME): Merge into...
2477         (dump_function_name): ... here.  Use maybe_dump_asm_name.
2478
2479 2009-06-17  Cary Coutant  <ccoutant@google.com>
2480
2481         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
2482         Change caller.
2483         * debug.c (struct gcc_debug_hooks): Change placeholder for
2484         source_line hook.
2485         (debug_nothing_int_charstar_int): Replaced by...
2486         (debug_nothing_int_charstar_int_bool): ...this.
2487         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
2488         source_line prototype.
2489         (debug_nothing_int_charstar_int): Replaced by...
2490         (debug_nothing_int_charstar_int_bool): ...this.
2491         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
2492         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
2493         Output is_stmt operand when necessary.
2494         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
2495         (notice_source_line): Add is_stmt parameter.
2496         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
2497         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
2498         Change callers.
2499         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
2500         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
2501
2502 2009-06-17  Ian Lance Taylor  <iant@google.com>
2503
2504         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
2505         Change all uses.
2506         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
2507         call uses.
2508
2509 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
2510
2511         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
2512         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
2513         tree_strip_sign_nop_conversions and
2514         tree_ssa_strip_useless_type_conversions rather than stripping
2515         the operations here.
2516         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
2517         Declare them.
2518         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
2519         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
2520         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
2521         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
2522         functions.
2523
2524 2009-06-17  Michael Eager  <eager@eagercon.com>
2525
2526         * config/rs6000/constraints.md (register_constraint "d"): New.
2527         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
2528         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2529         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
2530         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
2531         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2532         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
2533         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
2534         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
2535         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
2536         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
2537         __fctiwz): Same.
2538         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
2539         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
2540         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
2541         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
2542         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
2543         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
2544         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
2545         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
2546         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
2547         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
2548         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
2549         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
2550         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
2551         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
2552
2553 2009-06-16  Ian Lance Taylor  <iant@google.com>
2554
2555         * profile.c (total_num_never_executed): Don't define.
2556         (compute_branch_probabilities): Don't count or print
2557         num_never_executed.
2558         (init_branch_prob): Don't set total_num_never_executed.
2559         (end_branch_prob): Don't print total_num_never_executed.
2560
2561 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
2562
2563         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
2564
2565 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
2566
2567         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
2568         (nabstd2_fpr): Same.
2569
2570 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
2571
2572         * expr.c (expand_assignment): Change complex type check.
2573
2574 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
2575
2576         * doc/plugins.texi (Building GCC plugins): Added new section. 
2577
2578 2009-06-17  Ian Lance Taylor  <iant@google.com>
2579
2580         * c-pch.c (get_ident): Don't set size of templ array.
2581         (pch_init): Don't set size of partial_pch array.
2582
2583         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
2584         string constant to intialize an array whose size is the length of
2585         the string.
2586
2587 2009-06-17  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/40389
2590         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
2591         to addressable types.
2592         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
2593
2594 2009-06-17  Richard Guenther  <rguenther@suse.de>
2595
2596         PR middle-end/40460
2597         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
2598         if there is no evolution of left in the loop bail out.
2599         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
2600         chrec_fold_multiply.
2601
2602 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
2603             Janis Johnson  <janis187@us.ibm.com>
2604
2605         PR target/39254
2606         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
2607         for the symbol ref of a constant that is the source of a move
2608         - nor for any other not-obvious-label-ref constants.
2609
2610 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
2611
2612         * plugin.c (position_pass): Skip newly inserted pass during list
2613         traversal to avoid repeated insertion.
2614
2615 2009-06-16  Ian Lance Taylor  <iant@google.com>
2616
2617         * vec.h (VEC_stack_alloc): Define different version if
2618         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
2619         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
2620         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
2621         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2622
2623 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
2624
2625         * config.gcc (extra_headers): Add ia32intrin.h for x86.
2626
2627         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
2628         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
2629         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
2630         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
2631         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
2632         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
2633         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
2634         (bdesc_special_args): Add __builtin_ia32_rdtsc and
2635         __builtin_ia32_rdtscp.
2636         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
2637         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
2638         and __builtin_ia32_rorhi.
2639         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
2640         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
2641         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
2642         (ix86_expand_args_builtin): Likewise.
2643         (ix86_expand_special_args_builtin): Likewise.
2644
2645         * config/i386/i386.md (UNSPECV_RDTSCP): New.
2646         (UNSPECV_RDTSC): Likewise.
2647         (UNSPECV_RDPMC): Likewise.
2648         (*bsr): Renamed to ...
2649         (bsr): This
2650         (*bsr_rex64): Renamed to ...
2651         (bsr_rex64): This.
2652         (rdpmc): New.
2653         (*rdpmc): Likewise.
2654         (*rdpmc_rex64): Likewise.
2655         (rdtsc): Likewise.
2656         (*rdtsc): Likewise.
2657         (*rdtsc_rex64): Likewise.
2658         (rdtscp): Likewise.
2659         (*rdtscp): Likewise.
2660         (*rdtscp_rex64): Likewise.
2661
2662         * config/i386/ia32intrin.h: New.
2663
2664         * config/i386/x86intrin.h: Include <ia32intrin.h>.
2665
2666 2009-06-16  Ian Lance Taylor  <iant@google.com>
2667
2668         * ira-build.c (copy_info_to_removed_store_destinations):
2669         Initialize parent_a.
2670
2671 2009-06-16  Ian Lance Taylor  <iant@google.com>
2672
2673         * c-decl.c (grokdeclarator): Change size_varies to bool.
2674
2675 2009-06-16  Ian Lance Taylor  <iant@google.com>
2676
2677         * sel-sched.c: Make forward declarations of move_op_hooks and
2678         fur_hooks explicitly extern.
2679
2680 2009-06-16  Ian Lance Taylor  <iant@google.com>
2681
2682         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
2683         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
2684
2685 2009-06-16  Ian Lance Taylor  <iant@google.com>
2686
2687         * resource.c (mark_referenced_resources): Change
2688         include_delayed_effects parameter to bool.  Change all callers.
2689         (mark_end_of_function_resources): Likewise.
2690         * reorg.c (insn_references_resource_p): Likewise.
2691         (insn_sets_resource_p): Likewise.
2692         * resource.h (mark_referenced_resources): Update declaration.
2693         (mark_end_of_function_resources): Update declaration.
2694
2695 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
2696
2697         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
2698
2699 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
2700
2701         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
2702         GCC can bootstrap on AIX with GNU Binutils 2.20.
2703
2704 2009-06-16  Ian Lance Taylor  <iant@google.com>
2705
2706         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
2707
2708 2009-06-16  Ian Lance Taylor  <iant@google.com>
2709
2710         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
2711         inline, not extern inline.
2712         (exact_log2): Likewise.
2713         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
2714         test CLZ_HWI.
2715         (exact_log2): Likewise, but don't test CTZ_HWI.
2716
2717 2009-06-16  Ian Lance Taylor  <iant@google.com>
2718
2719         * bitmap.c (bitmap_clear): Don't declare as inline.
2720         * gimple.c (gimplify_assign): Likewise.
2721         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
2722         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
2723         (sched_scan_info): Remove duplicate definition.
2724
2725 2009-06-16  Ian Lance Taylor  <iant@google.com>
2726
2727         * c-common.c (skip_evaluation): Don't define.
2728         (c_inhibit_evaluation_warnings): Define global variable.
2729         (overflow_warning): Check c_inhibit_evaluation_warnings rather
2730         than skip_evaluation.
2731         (convert_and_check, warn_for_div_by_zero): Likewise.
2732         * c-common.h (skip_evaluation): Don't declare.
2733         (c_inhibit_evaluation_warnings): Declare.
2734         * c-parser.c (c_parser_typeof_specifier): Set
2735         c_inhibit_evaluation_warnings rather than skip_evaluation.
2736         (c_parser_conditional_expression): Likewise.
2737         (c_parser_binary_expression): Likewise.
2738         (c_parser_sizeof_expression): Likewise.
2739         (c_parser_alignof_expression): Likewise.
2740         * c-typeck.c (build_indirect_ref): Check
2741         c_inhibit_evaluation_warnings rather than skip_evaluation.
2742         (build_conditional_expr, build_binary_op): Likewise.
2743
2744 2009-06-16  Richard Guenther  <rguenther@suse.de>
2745
2746         * tree-ssa-alias.c (is_escape_site): Remove.
2747         * tree-ssa-alias.h (enum escape_type): Remove.
2748         (is_escape_site): Likewise.
2749         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
2750         via casts and asms without deferring to is_escape_site.
2751
2752 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
2753
2754         PR middle-end/40446
2755         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
2756         use gen_lowpart if op0 has complex mode.
2757
2758 2009-06-16  Richard Guenther  <rguenther@suse.de>
2759
2760         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
2761         variables add them to ESCAPED.
2762         (find_func_aliases): Do not make all indirectly stored values escaped.
2763
2764 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
2765
2766         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
2767         make_decl_one_only.
2768
2769 2009-06-16  Martin Jambor  <mjambor@suse.cz>
2770
2771         PR tree-optimization/40432
2772         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
2773         check whether we need to force gimple register operand.
2774
2775 2009-06-16  Martin Jambor  <mjambor@suse.cz>
2776
2777         PR tree-optimization/40413
2778         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
2779         build_ref_for_offset.
2780         (propagate_subacesses_accross_link): Fix a typo in a comment.
2781
2782 2009-06-16  Ira Rosen  <irar@il.ibm.com>
2783
2784         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
2785         with additional parameter.
2786         * tree-vectorizer.h (enum vect_def_type): Add new value
2787         vect_nested_cycle.
2788         (enum vect_relevant): Add comments.
2789         (vect_is_simple_reduction): Add new argument.
2790         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
2791         Detect nested cycles.
2792         (vect_is_simple_reduction): Update documentation, add an argument to
2793         distinguish inner-loop reduction from nested cycle, detect nested
2794         cycles, fix printings and indentation, don't swap operands in case
2795         of nested cycle.
2796         (get_initial_def_for_reduction): Handle subtraction.
2797         (vect_create_epilog_for_reduction): Add new argument to specify
2798         reduction variable.
2799         (vect_finalize_reduction): Handle subtraction, fix comments.
2800         (vectorizable_reduction): Handle nested cycles. In case of nested
2801         cycle keep track of the reduction variable position. Call 
2802         vect_is_simple_reduction with additional parameter. Use original 
2803         statement code in reduction epilogue for nested cycle. Call
2804         vect_create_epilog_for_reduction with additional parameter.
2805         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
2806         inner-loop vectorization.
2807         (vect_recog_widen_sum_pattern): Likewise.
2808         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
2809         and reductions.
2810         (vect_mark_stmts_to_be_vectorized): Likewise.
2811         (vect_get_vec_def_for_operand): Handle nested cycles.
2812
2813 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2814
2815         * doc/invoke.texi (Debugging Options): Fix option index entries
2816         for -fdump-statistics, -frandom-seed add entries for
2817         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
2818         (FRV Options): Fix entries for -mTLS, -mtls.
2819         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
2820         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
2821         (M68hc1x Options): Fix @itemx for -mnominmax.
2822         (MCore Options): Fix entry for -mno-lsim.
2823         (MMIX Options): Fix entry for -mabi=mmixware.
2824         (PDP-11 Options): Fix entry for -mbcopy-builtin.
2825
2826 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
2827
2828         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
2829         Mention the plugin mode of gengtype.
2830         * doc/gty.texi (Source Files Containing Type Information): Likewise.
2831         * gengtype.c: Updated copyright.
2832         (plugin_files, nb_plugin_files) Added new static variables.
2833         (measure_input_list) Care about plugin_files.
2834         (write_rtx_next): Added early return in plugin mode.
2835         (create_file): Updated copyright year in generated file. Added
2836         asserts.
2837         (oprintf): Added early return if NULL outf.
2838         (get_output_file_with_visibility): Care of plugin_files.
2839         (get_output_file_name): May return null.
2840         (write_local): Added early return.
2841         (put_mangled_filename): Ditto.
2842         (finish_root_table): Added check for base_files.
2843         (write_roots): Care about null when plugins.
2844         (main): Added plugin mode.
2845
2846 2009-06-15  Ian Lance Taylor  <iant@google.com>
2847
2848         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
2849         * gcov.c (read_count_file): Add braces around variables declared
2850         before label.
2851
2852         * c.opt (Wjump-misses-init): New warning.
2853         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
2854         -Wall and -Wc++-compat if not already set.
2855         (c_common_post_options): Clear warn_jump_misses_init if it was not
2856         set.
2857         * c-decl.c (struct c_binding): Change type field to a union with
2858         new label field.  Make it the first field in the struct.  Update
2859         references to type to use u.type instead.
2860         (struct c_spot_bindings): Define.
2861         (struct c_goto_bindings): Define.
2862         (c_goto_bindings_p): Define, along with VECs.
2863         (struct c_label_vars): Define.
2864         (struct c_scope): Add has_label_bindings field.
2865         (bind_label, set_spot_bindings): New static functions.
2866         (decl_jump_unsafe, update_spot_bindings): New static functions.
2867         (update_label_decls): New static function.
2868         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
2869         Update binding u.label field to shadowed field.
2870         (c_binding_start_stmt_expr): New function.
2871         (c_binding_end_stmt_expr): New function.
2872         (pushdecl): Don't call c_begin_vm_scope.
2873         (make_label): Add defining and p_label_vars parameters.  Change
2874         all callers.
2875         (lookup_label): Correct test for whether a label has not yet been
2876         defined.  Call bind_label rather than bind.
2877         (warn_about_goto): New static function.
2878         (lookup_label_for_goto): New function.
2879         (declare_label): Call bind_label rather than bind.
2880         (check_earlier_gotos): New static function.
2881         (define_label): Don't give errors about jumping into statement
2882         expressions or scopes of variably modified types.  Call
2883         set_spot_bindings and check_earlier_gotos.  Call bind_label
2884         instead of bind.  Don't set label_context_stack_se or
2885         label_context_stack_vm.
2886         (c_get_switch_bindings): New function.
2887         (c_release_switch_bindings): New function.
2888         (c_check_switch_jump_warnings): New function.
2889         (start_function): Don't set label_context_stack_se or
2890         label_context_stack_vm.
2891         (finish_function): Likewise.
2892         * c-typeck.c (label_context_stack_se): Don't define.
2893         (label_context_stack_vm): Don't define.
2894         (c_finish_goto_label): Call lookup_label_for_goto rather than
2895         lookup_label.  Don't give errors about jumping into a statement
2896         expression or the scope of a variably modified type.  Don't set
2897         label_context_stack_se or label_context_stack_vm.
2898         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
2899         fields.  Add bindings field.
2900         (c_start_case): Don't set deleted fields.  Set bindings field.
2901         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
2902         or blocked_vm.  Call c_check_switch_jump_warnings.
2903         (c_finish_case): Don't test blocked_stmt_expr field.  Call
2904         c_release_switch_bindings.
2905         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
2906         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
2907         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
2908         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
2909         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
2910         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
2911         (c_begin_vm_scope, c_end_vm_scope): Don't define.
2912         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
2913         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
2914         (C_DECL_UNJUMPABLE_VM): Don't define.
2915         (C_DECL_UNDEFINABLE_VM): Don't define.
2916         (struct c_label_list): Don't define.
2917         (struct c_label_context_se): Don't define.
2918         (struct c_label_context_vm): Don't define.
2919         (struct c_spot_bindings): Declare.
2920         (c_bindings_start_stmt_expr): Declare.
2921         (c_bindings_end_stmt_expr): Declare.
2922         (lookup_label_for_goto): Declare.
2923         (c_get_switch_bindings, c_release_switch_bindings): Declare.
2924         (c_check_switch_jump_warnings): Declare.
2925         (label_context_stack_se, label_context_stack_vm): Don't declare.
2926         (c_finish_goto_label): Update declaration.
2927         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
2928         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
2929         (Warning Options): Document -Wjump-misses-init.
2930
2931 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
2932
2933         * tree-object-size.c (addr_object_size): Fix a pasto in the last
2934         change.
2935
2936 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
2937
2938         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
2939
2940 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
2941
2942         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
2943
2944 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
2945
2946         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
2947
2948 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
2949
2950         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
2951         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
2952         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
2953         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
2954         * dwarf2asm.c (dw2_force_const_mem): Update call to
2955         make_decl_one_only.
2956         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
2957         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
2958         * langhooks.c (lhd_comdat_group): Remove.
2959         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
2960         * tree.h (DECL_COMDAT_GROUP): New.
2961         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
2962         (tree_decl_with_vis): Add comdat_group. Remove one_only.
2963         (make_decl_one_only): Change signature.
2964         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
2965         make_decl_one_only.
2966         (make_decl_one_only): Change signature.
2967         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
2968
2969 2009-06-15  Richard Guenther  <rguenther@suse.de>
2970
2971         PR middle-end/40439
2972         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
2973
2974 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2975
2976         * tree-ssa-math-opts.c: Remove extra divide.
2977
2978 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2979
2980         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
2981
2982 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2983
2984         * passes.c: Add bswap pass.
2985         * tree-pass.h: Add pass_optimize_bswap declaration.
2986         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
2987         Include rtl.h, expr.h and optabs.h for optab_handler check.
2988         (struct symbolic_number, pass_optimize_bswap): New definition.
2989         (do_shift_rotate, verify_symbolic_number_p): New functions.
2990         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
2991         (gate_optimize_bswap): New function.
2992         * tree.c (widest_int_cst_value): New function.
2993         * tree.h (widest_int_cst_value): Prototype added.
2994
2995 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
2996
2997         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
2998         REG_EQUAL/REG_EQUIV notes.
2999
3000 2009-06-14  Richard Guenther  <rguenther@suse.de>
3001
3002         PR middle-end/40389
3003         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
3004         has its address taken if NRV was applied and it is addressable.
3005         * tree-ssa-structalias.c (get_constraint_for_address_of): New
3006         function split out from ...
3007         (get_constraint_for_1): ... here.
3008         (handle_rhs_call): Use it to mark the return slot escaped if
3009         it is addressable and NRV was applied.
3010
3011 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
3012
3013         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
3014         Change first argument type to location_t.
3015         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
3016         Do not set input_location.
3017         Use loc instead of input_location throughout.
3018
3019 2009-06-13  Richard Guenther  <rguenther@suse.de>
3020
3021         PR tree-optimization/40421
3022         * tree-predcom.c (should_unroll_loop_p): Remove.
3023         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
3024
3025 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3026
3027         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3028         Add location argument.
3029
3030 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
3031
3032         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
3033         build_decl.
3034         * config/s390/s390.c (s390_build_builtin_va_list): Same.
3035         (s390_gimplify_va_arg): Pass location to create_artificial_label.
3036         * config/spu/spu-protos.h: Add location to
3037         spu_resolve_overloaded_builtin.
3038         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
3039         spu_build_builtin_va_list.
3040         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
3041         argument.  Pass location to build_function_call_vec.
3042         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
3043         build_decl.
3044         (emit_fpu_switch): Same.
3045         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
3046         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
3047         to build_decl and create_artificial_label.
3048         (xtensa_gimplify_va_arg_expr): Same.
3049         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
3050         (xstormy16_gimplify_va_arg_expr): Same.
3051         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
3052         * config/arm/arm.c (arm_build_builtin_va_list): Same.
3053         * config/mips/mips.c (mips_build_builtin_va_list): Same.
3054         (mips16_build_function_stub): Same.
3055         (mips16_build_call_stub): Same.
3056
3057 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
3058
3059         PR target/40327
3060         * arm/constraints.md (Pa, Pb): New constraints.
3061         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a 
3062         split pattern to deal with them.
3063
3064 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
3065
3066         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
3067         fix index entry for -Xpreprocessor.
3068
3069 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
3070
3071         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3072         Add location argument to build_decl call.
3073         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
3074         (rs6000_init_builtins): Same.
3075         (spe_init_builtins): Same.
3076         (rs6000_gimplify_va_arg): Add location argument to
3077         create_artificial_label call.
3078
3079 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
3080
3081         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
3082         * combine-stack-adj.c (pass_stack_adjustments): Use it.
3083         * Makefile.in: Fix GGC dependency for gcse.o.
3084
3085 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
3086
3087         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
3088         * gimple-pretty-print.c (dump_gimple_stmt): Same.
3089         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
3090         created.
3091         * c-parser.c (c_parser_binary_expression): Use current column while
3092         building binary operations.
3093         * common.opt (fshow-column): Enable by default.
3094         * tree-vrp.c (check_array_ref): Use warning_at.
3095         (check_array_bounds): Use location from call back if expr has no
3096         location.
3097         * tree.h: Add location argument to maybe_fold_*.
3098         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
3099         (maybe_fold_offset_to_array_ref): Add location argument and use it.
3100         (maybe_fold_offset_to_component_ref): Same.
3101         (maybe_fold_offset_to_reference): Same.
3102         (maybe_fold_offset_to_address): Same.
3103         (maybe_fold_stmt_indirect): Same.
3104         (maybe_fold_stmt_addition): Same.
3105         (fold_stmt_r): Pass location to maybe_fold_*.
3106         (fold_gimple_assign): Same.
3107         * c-tree.h: Add location argument to finish_decl,
3108         default_function_array_conversion, store_init_value.
3109         * c-decl.c (define_label): Use error_at.
3110         (c_make_fname_decl): Pass location to finish_decl.
3111         (finish_decl): New location argument.
3112         (build_compound_literal): Pass location to store_init_value.
3113         (grokdeclarator): Pass location to finish_decl.
3114         (grokfield): Same.
3115         * c-typeck.c (array_to_pointer_conversion): New location argument.
3116         (function_to_pointer_conversion): Same.
3117         (default_function_array_conversion): Same.
3118         (parser_build_unary_op): Pass location to overflow_warning.
3119         (parser_build_binary_op): Same.  Use warning_at.
3120         (build_unary_op): Pass location to array_to_pointer_conversion.
3121         (build_c_cast): Pass location to digest_init.
3122         (build_modify_expr): New location argument.
3123         (convert_for_assignment): Same.
3124         (store_init_value): Same.
3125         (digest_init): Same.
3126         (output_init_element): Pass location to digest_init and
3127         array_to_pointer_conversion.
3128         (c_finish_return): Pass location to convert_for_assignment.
3129         * gimplify.c (gimplify_conversion): Pass location to
3130         maybe_fold_offset_to_address.
3131         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
3132         to maybe_fold_stmt_addition.
3133         * c-omp.c (c_finish_omp_atomic): Pass new location to
3134         build_modify_expr.
3135         (c_finish_omp_for): Same.
3136         * c-common.c (overflow_warning): New argument.
3137         * c-common.h: New argument to build_modify_expr, overflow_warning.
3138         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
3139         finish_decl.
3140         (c_parser_initializer): Pass location to
3141         default_function_array_conversion.
3142         (c_parser_initelt): Same.
3143         (c_parser_initval): Same.
3144         (c_parser_asm_operands): Same.
3145         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
3146         (c_parser_conditional_expression): Same.
3147         (c_parser_binary_expression): Add location info to stack.  Use it.
3148         (c_parser_unary_expression): Pass location to
3149         default_function_array_conversion, parser_build_unary_op,
3150         build_indirect_ref, c_parser_postfix_expression_after_primary.
3151         (c_parser_postfix_expression_after_primary): New location argument.
3152         Use it.
3153         (c_parser_expression_conv): Pass location to
3154         default_function_array_conversion.
3155         (c_parser_expr_list): Same.
3156         (c_parser_omp_atomic): Same.
3157         (c_parser_omp_for_loop): Same.
3158         * c-tree.h: (struct c_declarator): Add comment to id_loc.
3159         (build_array_declarator): New argument.
3160         * c-decl.c (build_array_declarator): Add location argument.
3161         (grokdeclarator): Set id_loc for cdk_array.
3162         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
3163         build_array_declarator.
3164         * tree.c (build_omp_clause): Add location argument.
3165         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
3166         (OMP_CLAUSE_LOCATION): New macro.
3167         (struct tree_omp_clause): Add location field.
3168         (build_omp_clause): Add argument.
3169         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
3170         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
3171         build_omp_clause.
3172         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
3173         (cp_parser_omp_clause_collapse): Same.
3174         (cp_parser_omp_clause_default): Same.
3175         (cp_parser_omp_clause_if): Same.
3176         (cp_parser_omp_clause_nowait): Same.
3177         (cp_parser_omp_clause_num_threads): Same.
3178         (cp_parser_omp_clause_ordered): Same.
3179         (cp_parser_omp_clause_schedule): Same.
3180         (cp_parser_omp_clause_untied): Same.
3181         (cp_parser_omp_for_loop): Same.
3182         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
3183         * c-tree.h (c_start_case): Add location argument.
3184         (c_process_expr_stmt): Same.
3185         (c_finish_goto_*): Same.
3186         * tree-parloops.c (initialize_reductions): Pass location to
3187         build_omp_clause.
3188         (create_parallel_loop): Same.
3189         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
3190         (gfc_trans_omp_reduction_list): Same.
3191         (gfc_trans_omp_clauses): Same.
3192         (gfc_trans_omp_do): Same.
3193         * c-typeck.c (c_finish_goto_label): Same.
3194         (c_finish_goto_ptr): New location argument.
3195         (c_start_case): Same.
3196         (emit_side_effect_warnings): Same.
3197         (c_process_expr_stmt): Same.
3198         (c_finish_stmt_expr): Same.
3199         (c_finish_omp_clauses): Use error_at instead of error.
3200         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
3201         build_omp_clause.
3202         * c-omp.c (c_split_parallel_clauses): New location argument.
3203         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
3204         to build_omp_clause.
3205         (convert_local_reference_stmt): Same.
3206         (convert_gimple_call): Same.
3207         * c-common.h (c_split_parallel_clauses): New argument.
3208         * c-parser.c (c_parser_statement_after_labels): Pass location to
3209         c_finish_goto_label.
3210         (c_parser_switch_statement): Pass location to c_start_case.
3211         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
3212         and c_process_expr_stmt.
3213         (c_parser_omp_variable_list): Add location argument.
3214         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
3215         (c_parser_omp_clause_default): Same.
3216         (c_parser_omp_clause_if): Same.
3217         (c_parser_omp_clause_num_threads): Same.
3218         (-c_parser_omp_clause_ordered): Same.
3219         (c_parser_omp_clause_reduction): Pass location to
3220         c_parser_omp_variable_list.
3221         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
3222         (c_parser_omp_clause_untied): Same.
3223         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
3224         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
3225
3226         * c-tree.h (check_for_loop_decls, undeclared_variable,
3227         build_component_ref, build_array_ref, build_external_ref,
3228         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
3229         build_conditional_expr, build_compound_expr, c_cast_expr,
3230         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
3231         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
3232         argument.
3233         * c-semantics.c (build_stmt): Same.
3234         (build_case_label): Same.
3235         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
3236         (undeclared_variable): New argument.
3237         (make_label): Same.
3238         (lookup_label): Pass location on down.
3239         (define_label): Same.
3240         (finish_decl): Same.
3241         (build_compound_literal): Same.
3242         (finish_struct): Same.
3243         (finish_function): Do not set location here.
3244         (check_for_loop_decls): New argument.
3245         * tree.c (save_expr): Set location.
3246         (build_empty_stmt): New argument.
3247         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
3248         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
3249         * builtins.c (gimplify_va_arg_expr): Use locations.
3250         (expand_builtin_sync_operation): Same.
3251         * c-typeck.c (build_component_ref): New argument.
3252         (build_array_ref): Same.
3253         (build_external_ref): Same.
3254         (c_expr_sizeof_expr): Same.
3255         (c_expr_sizeof_type): Same.
3256         (parser_build_unary_op): Same.
3257         (build_conditional_expr): Same.
3258         (build_compound_expr): Pass location on down.
3259         (build_compound_expr): New argument.
3260         (build_c_cast): Same.
3261         (c_cast_expr): Same.
3262         (build_asm_expr): Same.
3263         (c_finish_return): Same.
3264         (c_process_expr_stmt): Pass location on down.
3265         (c_finish_stmt_expr): New argument.
3266         (push_clenaup): Same.
3267         (c_finish_omp_parallel): Same.
3268         (c_finish_omp_task): Same.
3269         * gimplify.c (gimplify_call_expr): Pass location on down.
3270         * c-omp.c (c_finish_omp_master): New argument.
3271         (c_finish_omp_critical): Same.
3272         (c_finish_omp_ordered): Same.
3273         (c_finish_omp_barrier): Same.
3274         (-c_finish_omp_taskwait): Same.
3275         (c_finish_omp_atomic): Same.
3276         (c_finish_omp_flush): Same.
3277         * tree-inline.c (copy_tree_body_r): Pass location on down.
3278         (inline_forbidden_p): Remove use of input_location.
3279         * c-gimplify.c (c_build_bind_expr): New argument.
3280         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
3281         (c_sizeof_or_alignof_type): New argument.
3282         (c_alignof_expr): Same.
3283         (build_va_arg): Same.
3284         (c_add_case_label): Same.
3285         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
3286         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
3287         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
3288         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
3289         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
3290         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
3291         New argument.
3292         * stub-objc.c (objc_build_selector_expr): Same.
3293         (objc_build_throw_stmt): Same.
3294         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
3295         (c_parser_initelt): Same.
3296         (c_parser_compound_statement): Same.
3297         (c_parser_compound_statement_nostart): Same.
3298         (c_parser_label): Same.
3299         (c_parser_statement_after_labels): Same.
3300         (c_parser_if_body): Same.
3301         (c_parser_else_body): Same.
3302         (c_parser_if_statement): Same.
3303         (c_parser_switch_statement): Same.
3304         (c_parser_while_statement): Same.
3305         (c_parser_do_statement): Same.
3306         (c_parser_for_statement): Same.
3307         (c_parser_asm_statement): Same.
3308         (c_parser_conditional_expression): Same.
3309         (c_parser_binary_expression): Same.
3310         (c_parser_cast_expression): Same.
3311         (c_parser_unary_expression): Same.
3312         (c_parser_sizeof_expression): Same.
3313         (c_parser_alignof_expression): Same.
3314         (c_parser_postfix_expression): Same.
3315         (c_parser_expression): Same.
3316         (c_parser_objc_receiver): Same.
3317         (c_parser_omp_variable_list): Same.
3318         (c_parser_omp_structured_block): Same.
3319         (c_parser_omp_atomic): New argument.
3320         (c_parser_omp_barrier): Same.
3321         (c_parser_omp_critical): Same.
3322         (c_parser_omp_flush): Pass location on down.
3323         (c_parser_omp_for_loop): New argument.
3324         (c_parser_omp_for): Same.
3325         (c_parser_omp_master): Same.
3326         (c_parser_omp_ordered): Same.
3327         (c_parser_omp_sections_scope): Same.
3328         (c_parser_omp_sections): Same.
3329         (c_parser_omp_parallel): Same.
3330         (c_parser_omp_single): Same.
3331         (c_parser_omp_task): Same.
3332         (c_parser_omp_taskwait): Pass location on down.
3333         (c_parser_omp_construct): Same.
3334         (c_parser_omp_threadprivate): Same.
3335         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
3336         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
3337         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
3338         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
3339         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
3340         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
3341         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
3342         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
3343         config/i386/i386.c, stmt.c:
3344         Add location argument to the following function definitions and/or
3345         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
3346         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
3347         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
3348         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
3349         do_case, c_finish_bc_stmt, build_compound_literal,
3350         build_function_call.
3351         * c-decl.c (build_compound_literal): Add location argument.
3352         Make all diagnostic calls use location.
3353         (start_struct): Same.
3354         (finish_struct): Same.
3355         (start_enum): Same.
3356         (build_enumerator): Same.
3357         (start_function): Same.
3358         (grokdeclarator): Make all diagnostic calls use location.
3359         (store_parm_decls_oldstyle): Same.
3360         * c-typeck.c (build_function_call): Add location argument.
3361         Make all diagnostic calls use location.
3362         (do_case): Same.
3363         (c_finish_bc_stmt): Same.
3364         * tree-nested.c (get_trampoline_type): Add argument.
3365         Pass location to build_decl.
3366         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
3367         * rtl.h (RTL_LOCATION): New.
3368         * c-common.c (c_add_case_label): Add location argument.
3369         Make all diagnostic calls use location.
3370         * c-common.h: Add location argument to make_fname_decl, do_case,
3371         c_add_case_label, build_function_call, resolve_overloaded_builtin.
3372         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
3373         Set it appropriately for every case.  Pass enum_loc to start_enum
3374         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
3375         parser_xref_tag.
3376         (c_parser_struct_or_union_specifier): Save location.  Use it for
3377         start_struct, finish_struct, and parser_xref_tag.
3378
3379 2009-06-12  Ian Lance Taylor  <iant@google.com>
3380
3381         * fold-const.c (fold_unary): Rename local variable and to and_expr.
3382
3383         * c-opts.c (c_common_handle_option): For -Wc++-compat set
3384         cpp_opts->warn_cxx_operator_names.
3385
3386 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3387
3388         PR tree-opt/38865
3389         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
3390         is returns NULL and OP is a VCE, look through the VCE.
3391
3392 2009-06-12  Ian Lance Taylor  <iant@google.com>
3393
3394         PR bootstrap/40430