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* omp-low.c (optimize_omp_library_calls): Use types_compatible_p
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-08-18  Michael Matz  <matz@suse.de>
2
3         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
4         instead of comparing TYPE_MAIN_VARIANT for equality.
5         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
6         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
7         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
8         * gimplify.c (goa_lhs_expr_p): Ditto and use
9         STRIP_USELESS_TYPE_CONVERSION.
10
11 2009-08-18  Michael Matz  <matz@suse.de>
12
13         * tree-ssa-structalias.c (create_variable_info_for): Also mark
14         first field in a struct.
15         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
16
17 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
18
19         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
20         locators before emit_insn is called.  Remove assert that
21         cfun->is_thunk.
22         (alpha_end_function): Clear crtl->emit structure and free insn
23         locators if cfun->is_thunk is true.
24
25 2009-08-18  Jason Merrill  <jason@redhat.com>
26
27         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
28         type if available.
29         * configure.ac: Test for it.
30         * configure, config.in: Regenerate.
31         * doc/install.texi: Document --enable-gnu-unique-object.
32
33 2009-08-18  Richard Guenther  <rguenther@suse.de>
34
35         PR middle-end/41094
36         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
37         pow(x,y*z) only if x is nonnegative.
38
39 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
40
41         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
42         on jumps.
43
44         PR target/40971
45         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
46         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
47
48 2009-08-17  DJ Delorie  <dj@redhat.com>
49
50         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
51         * config/m32c/prologue.md (epilogue_freit): New.
52         (fset_b): New.
53         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
54         (bank_switch_p): Likewise.
55         (fast_interrupt_p): Likewise.
56         (interrupt_p): Likewise.
57         (m32c_conditional_register_usage): Round memregs size up.
58         (need_to_save): We only need to save $a0 when we use ENTER.
59         (interrupt_p): Check for fast_interrupt too.
60         (bank_switch_p): New.
61         (fast_interrupt_p): New.
62         (m32c_attribute_table): Add bank_switch and fast_interrupt.
63         (m32c_emit_prolog): Support bank switching and fast interrupts.
64         * doc/extend.texi (Function Attributes): Add bank_switch and
65         fast_interrupt.
66
67 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
68
69         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
70         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
71
72 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
73
74         * doc/invoke.texi (Target options):
75         Add new option list for IA-64/VMS.
76         (menu): Add IA-64/VMS Options.
77         (IA-64/VMS Options): Likewise.
78
79 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
80
81         PR target/38599
82         * config/mips/mips.md (*lwxs): Use :P for pointer values.
83
84 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
85
86         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
87         (mips_pop_asm_switch): Likewise.
88         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
89         with...
90         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
91         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
92         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
93         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
94         instead of set_noreorder.
95         (mips_output_function_prologue): Use the new functions.
96         (mips_output_function_epilogue): Likewise.
97         (mips_need_noat_wrapper_p): New function, split out from...
98         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
99         Use mips_push_asm_switch and mips_pop_asm_switch.
100         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
101         and mips_pop_asm_switch.
102         (ASM_OUTPUT_REG_POP): Likewise.
103         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
104         Use mips_pop_asm_switch.
105         (mips_asm_switch): New structure.
106         (set_noreorder, set_nomacro): Replace with...
107         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
108         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
109         instead of set_nomacro.
110         (fix_truncsfsi2_macro): Likewise.
111         (cprestore): Likewise.
112         (hazard): Use mips_noreorder instead of set_noreorder.
113         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
114
115 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
116
117         * config/alpha/alpha.c (alpha_and_function): Handle NULL_RTX returned
118         from prev_active_insn.
119
120 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
121
122         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
123         * config/avr/avr.c (avr_override_options): Initialize
124         avr_current_arch variable.
125         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
126         __AVR_HAVE_16BIT_SP__ according to the device type.
127         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
128         TARGET_TINY_STACK.
129         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
130         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
131
132 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
133
134         PR debug/37801
135         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
136         generating inlined subroutine die only. We shouldn't be
137         called for anything else.
138         (gen_block_die): Don't generate inline subroutine debug info for
139         abstract blocks.
140
141 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
142
143         * graphite-poly.c (print_pbb): Print PBB index.
144
145 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
146
147         PR middle-end/40981
148         * graphite-interchange.c (ppl_max_for_le): Moved...
149         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
150         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
151         ppl_Pointset_Powerset_C_Polyhedron_maximize.
152         * graphite-ppl.h (ppl_max_for_le): Declared.
153
154 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
155
156         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
157         supported on all platforms.
158         * target.h (struct gcc_target): Remove
159         handle_pragma_redefine_extname.
160         * c-cppbuiltin.c: Remove use of
161         targetm.handle_pragma_redefine_extname.
162         * c-pragma.c: Likewise.
163         * target-def.h (TARGET_INITIALIZER): Remove
164         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
165         * config/sol2.h: Remove use of
166         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
167
168 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
169
170         * config/ia64/fde-vms.c: New file.
171         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
172         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
173         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
174         (uw_frame_state_for): Only register a personality routine if it is
175         known to be compatible with our expectations.
176         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
177         Declare unw_table_entry stack variable and
178         mod all calls to _Unwind_FindTableEntry to add arg.
179         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
180         (_Unwind_FindTableEntry): Add arg to prototype.
181
182 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
183
184         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
185         field 'signal_pfs_loc'.
186         (uw_frame_state_for): Remove duplicate code dealing with leaf
187         procedures without unwind info.
188         If in the frame after unwinding through a signal handler, restore
189         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
190         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
191         'pfs_loc' to the AR.PFS location in the signal context; instead
192         set 'signal_pfs_loc'.
193         Manually generate the unwind info for the AR.PFS register.
194         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
195         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
196         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
197         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
198         instead set 'signal_pfs_loc'.
199         Remove code preventing the AR.PFS register from being restored
200         from the signal context.
201
202 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
203             Tristan Gingold  <gingold@adacore.com>
204
205         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
206         * config/ia64/t-vms: New file.
207         * config/ia64/vms64.h: New file.
208         * config/ia64/vms.h: New file.
209         * config/ia64/vms-crtinit.asm: New file.
210         * config/ia64/vms_symvec_libgcc_s.opt: New file.
211         * config/ia64/vms-unwind.h: New file.
212
213 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
214
215         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
216         TFmode compares.
217
218 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
219
220         PR middle-end/30789
221         * builtins.c (do_mpc_arg2): Make extern, define for any MPC
222         version.  Move declaration...
223         * real.h (do_mpc_arg2): ... here.
224         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
225         and RDIV_EXPR.
226
227 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
228
229         * final.c (add_debug_prefix_map): Don't use GC memory for
230         old_prefix and new_prefix.
231
232 2009-08-14  Richard Guenther  <rguenther@suse.de>
233
234         * ipa-prop.c (compute_complex_pass_through): If we cannot
235         compute a non-varying offset for IPA_JF_ANCESTOR punt.
236
237 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
238
239         * c-lex.c (c_lex_with_flags): Increase size of local variable
240         to avoid memory clobber.
241
242 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
243
244         PR target/40934
245         * config/i386/i386.c (ix86_fp_comparison_strategy):
246         Only enable/disable sahf at function granularity.
247
248 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
249
250         PR rtl-optimization/41064
251         * reload1.c (reload_as_needed): Don't call extract_insn
252         for known invalid replacements after calling
253         validate_replace_rtx_group and verify_changes.
254
255 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
256
257         PR target/41019
258         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
259         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
260         ix86_expand_fp_vcond.
261         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
262         Assert that operation is supported by ix86_expand_int_vcond.
263         (vcondu<SSEMODE124C8:mode>): Ditto.
264
265 2009-08-13  DJ Delorie  <dj@redhat.com>
266
267         * config/i386/djgpp-stdint.h: New.
268         * config.gcc (djgpp): Use it.
269
270 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
271
272         * config/sh/sh.c (sh_override_options): When flag_exceptions or
273         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
274
275 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
276
277         * tree-ssa-loop-prefetch.c
278         (prune_ref_by_group_reuse): Enhance probabilistic analysis
279         for long-stride pruning.
280         (compute_miss_rate): New function to compute the probability
281         that two memory references access different cache lines.
282
283 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
284
285         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
286
287 2009-08-13  Richard Guenther  <rguenther@suse.de>
288
289         PR middle-end/41047
290         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
291         use the constant pointer type.
292         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
293         of CV qualifiers on the target pointer type.
294         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
295         conversion check before restrict check.
296
297 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
298
299         PR target/41029
300         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
301
302 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
303
304         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
305
306 2009-08-12  Richard Guenther  <rguenther@suse.de>
307
308         PR tree-optimization/41011
309         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
310         and reference constructing.
311
312 2009-08-12  Xinliang David Li  <davidxl@google.com>
313
314         PR tree-optimization/41012
315         * tree-flow.h : New external interface.
316         * gimple-low.c (check_call_arg): Change to public function.
317         Remove argument mismatch check in lowering.
318         * tree-inline.h (tree_can_inline_p): Interface change.
319         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
320         into this function.
321         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
322         Call change to tree_can_inline_p function.
323         (cgraph_decide_inlining_incrementally): Ditto.
324
325 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
326
327         PR tree-optimization/41031
328         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
329         on the partition variable rather than promote_mode on the source
330         type.  Assert that the partition variable's type has the same
331         mode as the source value's.
332
333 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
334
335         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
336         for for_return == 2.
337         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
338         comments.
339         * calls.c (expand_call): Fix typo.
340         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
341         and PARM_DECL.
342         * stmt.c (expand_value_return): Use promote_function_mode to copy out
343         of pseudo.
344         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
345         * config/cris/cris.c (cris_promote_function_mode): Likewise.
346         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
347         * config/pa/pa.c (pa_promote_function_mode): Likewise.
348
349 2009-08-11  Andrew Haley  <aph@redhat.com>
350
351         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
352
353 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
354
355         PR bootstrap/40103
356         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
357
358 2009-08-12  Richard Guenther  <rguenther@suse.de>
359
360         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
361         * gimplify.c (gimplify_modify_expr): Do not use
362         lang_hooks.types_compatible_p.
363         * tree-ssa.c (useless_type_conversion_p): For aggregates
364         just return false if the canonical types differ.
365
366 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
367
368         PR middle-end/40980
369         * sese.c (convert_for_phi_arg): New.
370         (add_guard_exit_phis): Use convert_for_phi_arg.
371
372 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
373
374         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
375         unknown subscript upper bounds.
376
377 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
378             Pranav Garg  <pranav.garg2107@gmail.com>
379
380         * graphite-interchange.c (gather_access_strides): Removed.
381         (ppl_max_for_le): New.
382         (build_linearized_memory_access): New.
383         (memory_stride_in_loop): New.
384         (pbb_interchange_profitable_p): Reimplemented.
385         * graphite-ppl.h (ppl_new_id_map): New.
386         (ppl_interchange): New.
387
388 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
389
390         * graphite-interchange.c (compute_subscript): Removed.
391         (compute_array_size_cstr): Removed.
392         (compute_array_size_poly): Removed.
393         (compute_array_size): Removed.
394         (gather_access_strides_poly): Removed.
395         (gather_access_strides): Empty.
396
397 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
398
399         * graphite-dependences.c (dependence_polyhedron_1): Replace
400         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
401         (graphite_legal_transform_dr): Same.
402         (graphite_carried_dependence_level_k): Same.
403         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
404         Initialize PDR_NB_SUBSCRIPTS.
405         (print_pdr_access_layout): Replace pdr_nb_subscripts with
406         PDR_NB_SUBSCRIPTS.
407         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
408         (PDR_NB_SUBSCRIPTS): New.
409         (pdr_nb_subscripts): Removed.
410         (pdr_dim): Simplified.
411         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
412         with PDR_NB_SUBSCRIPTS.
413
414 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
415
416         * graphite-interchange.c (compute_array_size): Remove use of
417         PDR_DATA_CONTAINER.
418         * graphite-poly.c (new_poly_dr): Remove argument data_container.
419         Do not initialize PDR_DATA_CONTAINER.
420         (print_pdr): Do not print PDR_DATA_CONTAINER.
421         * graphite-poly.h (struct poly_dr): Remove data_container field.
422         (PDR_DATA_CONTAINER): Removed.
423         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
424         PDR_DATA_CONTAINER.
425         (build_poly_dr): Same.
426
427 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
428             Sebastian Pop  <sebastian.pop@amd.com>
429
430         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
431         copy of the dependence polyhedron.  Free the temporary objects.
432         (graphite_carried_dependence_level_k): Free unused objects before
433         returning.
434
435         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
436         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
437         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
438         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
439         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
440
441 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
442
443         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
444         Early return without analyzing the data dependences if no
445         transform has been done.  Call restore_scattering if the transform
446         is not legal.
447         (graphite-interchange.c): Same.
448         * graphite-poly.c (print_scattering_function): Test for
449         PBB_TRANSFORMED.
450         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
451         (apply_poly_transforms): Do not gcc_assert that
452         the transform is legal.
453         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
454         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
455         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
456         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
457         * graphite-poly.h (struct poly_scattering): New.
458         (struct poly_bb): Add original, transformed, and saved fields.
459         Remove transformed_scattering, original_scattering,
460         nb_local_variables and nb_scattering_transform fields.
461         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
462         (poly_scattering_new): New.
463         (poly_scattering_free): New.
464         (poly_scattering_copy): New.
465         (store_scattering_pbb): New.
466         (store_scattering): New.
467         (restore_scattering_pbb): New.
468         (restore_scattering): New.
469         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
470         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
471
472 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
473
474         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
475         (print_scop): Same.
476
477 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
478
479         * Makefile.in (graphite.o): Depends on PREDICT_H.
480         * graphite.c: Include predict.h.
481         (graphite_finalize): Call tree_estimate_probability.
482         * predict.c (predict_loops): Do not call scev_initialize and
483         scev_finalize.
484         (tree_estimate_probability_bb): New.
485         (tree_estimate_probability): Do not initialize loops: move that
486         code to the driver.  Call tree_estimate_probability_bb.
487         (tree_estimate_probability_driver): New.
488         (pass_profile): Use tree_estimate_probability_driver.
489         * predict.h (tree_estimate_probability): Declared.
490
491 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
492
493         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
494         * graphite-dependences.c (graphite_legal_transform): Add time to
495         TV_GRAPHITE_DATA_DEPS.
496         (dependency_between_pbbs_p): Same.
497         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
498
499 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
500
501         PR rtl-optimization/41033
502         * alias.c (nonoverlapping_component_refs_p): Punt when strict
503         aliasing is disabled.
504
505 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
506
507         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
508         si_mask_operand, and_load_operand, low_bitmask_operand,
509         and_reg_operand, and_operand): New predicates.
510         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
511         * config/mips/mips.c (and_operands_ok): New function.
512         * config/mips/mips-protos.h (and_operands_ok): Declare it.
513         * config/mips/mips.md (move_type): Add ext_ins and logical.
514         (type): Handle them.
515         (and<mode>3): Use and_reg_operand as the second operand's predicate.
516         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
517         shift_shift.  Remove commutative constraint modifier.
518         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
519         shift_shift.
520         (*clear_upper32_dext): Remove define_insn_and_split.
521         (*clear_upper32): Turn this define_insn_and_split ...
522         (splitter for ANDing register with 0xffff_ffff): .. into this.
523
524 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
525
526         * combine.c (try_widen_shift_mode): Factor out code to check if an
527         integer constant is a low-order bitmask from here ...
528         * rtlanal.c (low_bitmask_len): ... to here.
529         * rtl.h (low_bitmask_len): Declare.
530
531 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
532
533         PR target/8603
534         * config/alpha/alpha.md (addsi3): Remove expander.
535         (addsi3): Rename from *addsi3_internal insn pattern.
536         (subsi3): Remove expander.
537         (subsi3): Rename from *subsi3_internal insn pattern.
538
539 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
540
541         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
542         FWRITE_UNLOCKED.
543
544 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
545             Eric Botcazou  <botcazou@adacore.com>
546             Douglas B Rupp  <rupp@gnat.com>
547
548         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
549         that records that fit in 64 bits are returned by immediate value,
550         as required by OpenVMS Calling Standard.
551         (function_value): Adjust for above modification.
552         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
553         virtual_incoming_args_rtx as base object, not next_arg.
554         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
555
556 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
557
558         * reload.c (find_reloads_subreg_address): Check the original
559         req_equiv_mem address to detect the case where an address is
560         not valid in the outer mode.
561
562 2009-08-11  Richard Guenther  <rguenther@suse.de>
563
564         PR bootstrap/40788
565         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
566
567 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
568
569         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
570         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
571
572 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
573             Douglas B Rupp  <rupp@gnat.com>
574
575         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
576         PT_STACK when frame_pointer_needed on OpenVMS.
577         (alpha_pv_save_size, alpha_using_fp): Remove.
578         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
579         with proper processing for PT_NULL.
580         (alpha_vms_initial_elimination_offset): New function. Support for
581         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
582         (alpha_sa_size): Force procedure type to PT_STACK when
583         frame_pointer_needed on OpenVMS.
584         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
585         (alpha_using_fp): Likewise.
586         (alpha_vms_can_eliminate): Add prototype.
587         (alpha_vms_initial_elimination_offset): Likewise.
588         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
589         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
590
591 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
592             Douglas B Rupp  <rupp@gnat.com>
593
594         * config/alpha/alpha.c (common_object_handler): New function.
595         (vms_attribute_table): Declare a single attribute "common_object".
596         (vms_output_aligned_decl_common): New global function.
597         (SECTION_VMS_OVERLAY): Delete.
598         (SECTION_VMS_GLOBAL): Likewise.
599         (SECTION_VMS_INITIALIZE): Likewise.
600         (vms_asm_named_section): Remove support for above flags.
601         (vms_section_type_flags): Delete.
602         (TARGET_SECTION_TYPE_FLAGS): Likewise.
603         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
604         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
605         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
606
607 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
608
609         PR target/41015
610         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
611         (sub_ddmmss): Likewise.
612
613 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
614
615         PR bootstrap/41018
616         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
617         year.
618
619 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
620
621         PR target/37053
622         * reload1.c (reload_as_needed): Use cancel_changes to completely
623         undo a failed replacement attempt.
624
625 2009-08-10  Richard Guenther  <rguenther@suse.de>
626
627         PR middle-end/41006
628         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
629         (useless_type_conversion_p): ... here.  Require pointer targets
630         to be compatible.
631
632 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
633
634         PR c++/40866
635         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
636         loose the original type of the statement list.
637
638 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
639
640         * config/alpha/alpha.c: Include libfuncs.h
641         (avms_asm_output_extern): New function.
642         (alpha_init_libfuncs): Init some decc libfuncs.
643         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
644         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
645         (DO_CRTL_NAMES): Define.
646         (LIB_SPEC): Remove.
647         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
648         (LONG_TYPE_SIZE): Define.
649         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
650         (SUBTARGET_SWITCHES): Define malloc64 switch.
651         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
652         (MASK_RETURN_ADDR): Define.
653         doc/invoke.texi (mmalloc64): Document switch.
654
655 2009-08-09  Olivier Hainque  <hainque@adacore.com>
656             Douglas B Rupp  <rupp@gnat.com>
657
658         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
659         uses_condition_handler.
660         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
661         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
662         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
663         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
664         (code_for_builtin): New insn codes for the new alpha_builtins.
665         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
666         (alpha_sa_size): Account for uses_condition_handler.
667         (alpha_expand_prologue): Likewise.
668         (alpha_start_function): Likewise.
669         (alpha_expand_epilogue): Likewise.
670         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
671         establish/revert expanders.
672         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
673         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
674         New expander, resorting to the alpha.c associated function.
675         (builtin_revert_vms_condition_handler): Likewise.
676         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
677         __gcc_shell_handler, the static VMS condition handler used as
678         an indirection wrapper to the current dynamically established
679         handler.
680         * config/alpha/vms-unwind.h: Complete rewrite.
681         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
682         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
683
684 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
685             Douglas B Rupp  <rupp@gnat.com>
686
687         * config/alpha/alpha.c (alpha_links): Add 'target' field.
688         (alpha_need_linkage): Handle aliases.  Return function symbol.
689         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
690         Use ultimate alias target for the linkage name.
691         * config/alpha/alpha.md (movmemdi): Use the symbol returned
692         by alpha_need_linkage for the function symbol.
693         (setmemdi): Likewise.
694
695 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
696
697         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
698         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
699         (ASM_WEAKEN_LABEL): Define.
700         (CRT_CALL_STATIC_FUNCTION): Define.
701         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
702         (ENDFILE_SPEC): Define.
703         (INIT_SECTION_ASM_OP): Define.
704         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
705         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
706         crtend.o crtendS.o.
707         (MULTILIB_OSDIRNAMES): Define.
708         (shlib_version): Define.
709         (SHLIB_EXT): Define.
710         (SHLIB_OBJS): Define.
711         (SHLIB_NAME): Define.
712         (SHLIB_MULTILIB): Define.
713         (SHLIB_INSTALL): Define.
714         (SHLIB_SYMVEC): Define.
715         (SHLIB_SYMVECX2): Define.
716         (SHLIB_LINK): Define.
717
718 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
719
720         * config/alpha/alpha.c (alpha_initialize_trampoline):
721         Initialize VMS trampoline IAW ABI for bounded procedure calls.
722         (alpha_start_function): Emit transfer address on nested functions
723         for VMS trampoline call.
724         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
725         since no longer used.
726         * config/alpha/vms-tramp.asm: Remove.
727         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
728         since now only data initialized at runtime.
729
730 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
731
732         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
733         (LINK_GCC_C_SEQUENCE_SPEC): Define.
734         (MD_EXEC_PREFIX): Remove, no longer used.
735         (MD_STARTFILE_PREFIX): Likewise.
736         (INCLUDE_DEFAULTS): Likewise.
737         * config/alpha/t-vms:
738         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
739
740 2009-08-09  Richard Guenther  <rguenther@suse.de>
741
742         PR tree-optimization/41016
743         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
744         (operand_precision): Remove.
745         (integral_operand_p): Likewise.
746         (recognize_single_bit_test): Adjust.
747
748 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
749
750         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
751         operation overflows.  Likewise non-cast unary arithmetic.
752         If one arm of a conditional expression is always taken,
753         inhibit evaluation warnings for the other arm.  Likewise inhibit
754         evaluation warnings for the second && or || operand if the first
755         operand is enough to determine the result.
756         * c-typeck.c (build_conditional_expr): Apply the same inhibition
757         rules here.
758         (build_binary_op): Prevent duplicate evaluation warnings.
759
760 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
761
762         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
763         and destination have different modes, Use promote_mode to
764         determine the signedness of the conversion.  Assert that the
765         promoted source mode matches the destination mode.  Don't pass
766         the destination and destination mode to expand_expr if the source
767         mode is different.  Simplify conversion logic.
768
769 2009-08-09  Ira Rosen  <irar@il.ibm.com>
770
771         PR tree-optimization/41008
772         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
773         from condition only in case it's a comparison. Adjust checks.
774
775 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
776
777         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
778         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
779         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
780         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
781         (dump_cand): Handle them.
782         (struct iv_cand): New members COST_STEP and AINC_USE.
783         (stmt_after_increment): Likewise.
784         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
785         callers changed.  Use gimple_uid comparison instead of scanning.
786         (add_candidate_1): When looking for identical candidates, take
787         AINC_USE into account.  Set it for new candidates.
788         (force_expr_to_var_cost): Cast target_spill_cost to int.
789         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
790         All callers changed.  Check for availability of autoinc addressing
791         modes, both in general for a given mode, and in the specific use case.
792         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
793         changed.
794         (get_computation_cost): Likewise.
795         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
796         add_autoinc_candidates): New static functions.
797         (add_candidate): Call add_autoinc_candidates for candidates based on
798         a USE_ADDRESS use.
799         (find_iv_candidates): Call set_autoinc_for_original_candidates.
800         (determine_use_iv_cost_address): If we have an autoinc candidate at
801         the matching use, verify autoinc is possible and subtract the cost
802         of the candidate's step from the cost.
803         (determine_iv_cost): Record the cost of the increment in the COST_STEP
804         member of the candidate.
805         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
806         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
807
808 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
809
810         * config.build (ia64-hp-*vms*): New target.
811         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
812         with ia64-hp-*vms*.
813         * config.gcc (ia64-hp-*vms*): New target.
814         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
815         with ia64-hp-*vms*.
816         * config.host (ia64-hp-*vms*): New target.
817         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
818         with ia64-hp-*vms*.
819
820 2009-08-08  Richard Guenther  <rguenther@suse.de>
821
822         PR tree-optimization/40991
823         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
824
825 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
826
827         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
828         mode check.  Do truncations in an integer mode.
829         (force_to_mode): Handle subregs for all mode types.  Only do
830         arithmetic simplifications on integer modes.
831
832 2009-08-07  Richard Guenther  <rguenther@suse.de>
833
834         PR tree-optimization/40999
835         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
836         (maybe_fold_reference): Lookup constant initializers.
837         (fold_gimple_assign): Likewise.
838
839 2009-08-07  Richard Guenther  <rguenther@suse.de>
840
841         * tree-ssa.c (useless_type_conversion_p_1): Only for types
842         that require structural equality defer to the langhook.
843
844 2009-08-07  Martin Jambor  <mjambor@suse.cz>
845
846         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
847         comments.
848         (struct ipa_pass_through_data): New type.
849         (struct ipa_ancestor_jf_data): New type.
850         (union jump_func_value): Removed field formal_id, added fields
851         pass_through and ancestor.
852         (struct ipa_param_call_note): Changed type of formal_id to int from
853         unsigned.
854         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
855         operations jump functions and ancestor jump functions.
856         (compute_complex_pass_through): New function.
857         (compute_scalar_jump_functions): Call compute_complex_pass_through,
858         reflect changes in the jump function strucutre.
859         (update_jump_functions_after_inlining): Ignore complex pass-through
860         and ancestor jump functions.
861         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
862         polynomial pass-through with operation jump functions.
863
864 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
865
866         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
867         fde->dw_fde_begin as begin label instead of hot/cold label.
868         Use LLSDAC label instead of LLSDA for second section lsda.
869         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
870         label instead of LLSDA if it is true.
871         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
872         callers.
873         * except.c (add_call_site, dw2_size_of_call_site_table): Add
874         SECTION argument.  Use it as index into crtl->eh.call_site_record
875         array.
876         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
877         use it to determine how to print table entries instead of using
878         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
879         label instead of normal begin label as base.
880         (sjlj_assign_call_site_values): Adjust add_call_site caller.
881         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
882         ensure no EH range spans between sections and that landing pads
883         are always in the corresponding section.
884         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
885         for crtl->eh.call_site_record being an array rather than scalar.
886         (output_one_function_exception_table): New function, copied
887         from output_function_exception_table.  Adjust
888         dw2_size_of_call_site_table, dw2_output_call_site_table
889         callers.  For SECOND section use *C suffixed labels.
890         (output_function_exception_table): Call
891         output_one_function_exception_table and, when doing hot/cold
892         partitioning, also another time for the second section.
893         * opts.c: Include except.h.
894         (decode_options): Allow -freorder-blocks-and-partition with
895         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
896         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
897         * function.h (struct rtl_eh): Change call_site_record from
898         scalar into array of 2 elements.
899
900 2009-08-07  Martin Jambor  <mjambor@suse.cz>
901
902         * ipa-prop.c (count_formal_params_1): New function.
903         (ipa_get_vector_of_formal_parms): New function.
904         (get_vector_of_formal_parm_types): New function.
905         (ipa_modify_formal_parameters): New function.
906         (ipa_modify_call_arguments): New function.
907         (index_in_adjustments_multiple_times_p): New function.
908         (ipa_combine_adjustments): New function.
909         (ipa_dump_param_adjustments): New function.
910         * ipa-prop.h (struct ipa_parm_adjustment): New type.
911         (ipa_get_vector_of_formal_parms): Declare.
912         (ipa_modify_formal_parameters): Declare.
913         (ipa_modify_call_arguments): Declare.
914         (ipa_combine_adjustments): Declare.
915         (ipa_dump_param_adjustments): Declare.
916         (build_ref_for_offset): Declare.
917         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
918         * tree-sra.c: Include ipa-prop.c.
919         (build_ref_for_offset): Make public.
920
921 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
922
923         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
924
925 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
926
927         * gcc/doc/extend.texi (__builtin_extract_return_address)
928         (__builtin_frob_return_address): Document.
929
930 2009-08-06  Paul Brook  <paul@codesourcery.com>
931
932         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
933         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
934         implementation on ARMv6-M.
935
936 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
937
938         * doc/extend.texi (pcs): Document new attribute for ARM.
939
940 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
941
942         * arm.c (pcs_attribute_args): Comment out unsupported attribute
943         variants.
944
945 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
946
947         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
948         warning ().
949
950 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
951
952         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
953
954 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
955
956         Merge ARM/hard_vfp_branch to trunk.
957
958         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
959
960         * arm.c (libcall_eq): New function.
961         (libcall_hash): New function.
962         (add_libcall): New function.
963         (arm_libcall_uses_aapcs_base): New function.
964         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
965         libcalls using the base PCS.
966         (arm_init_cumulative_args): Likewise.
967
968         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
969
970         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
971         Use base ABI for conversion libfuncs between HFmode and SFmode.
972
973         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
974
975         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
976         V4SImode as representatives of all 64-bit and 128-bit vector
977         types.  Allow vector types without vector modes.
978         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
979         without vector modes like BLKmode.
980         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
981         BLKmode.  Avoid unsupported vector modes or TImode moves for
982         non-TARGET_NEON.
983         (aapcs_vfp_allocate_return_reg): Likewise.
984         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
985         V8QImode if TARGET_NEON || TARGET_IWMMXT.
986
987         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
988
989         * config/arm/arm.c (arm_handle_pcs_attribute): New.
990         (arm_get_pcs_model): Pass attribute arguments to
991         arm_pcs_from_attribute.
992         (arm_init_cumulative_args): Use base AAPCS for conversions from
993         floating-point types to DImode.
994         (arm_attribute_table): Add pcs attribute.
995         (arm_handle_pcs_attribute): New.
996         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
997         conversions from floating-point types to DImode, also declare them
998         to use base AAPCS and declare functions they call to use base
999         AAPCS and their RTABI names.
1000
1001         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
1002
1003         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
1004         -mfloat-abi=hard not being supported for VFP.
1005
1006         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
1007
1008         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
1009         SYMBOL_REF to hard_libcall_value.
1010
1011         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
1012             Richard Earnshaw  <rearnsha@arm.com>
1013
1014         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
1015         has been put on the stack, all remaining co-processory arguments for
1016         that co-processor also go on the stack.
1017
1018         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
1019
1020         * config/arm/arm.c (arm_return_in_memory): Handle returning
1021         vectors of suitable size in registers also for AAPCS case.
1022
1023         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
1024
1025         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
1026
1027         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
1028
1029         ARM Hard-VFP calling convention
1030         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
1031         * target.h (gcc_target): Add libcall_value to table of call hooks.
1032         * targhooks.h (default_libcall_value): Default implementation.
1033         * targhooks.c (default_libcall_value): Likewise.
1034         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
1035         * optabs.c (expand_unop): Use it.
1036         * expr.h (hard_libcall_value): Pass the function RTX through.
1037         * calls.c (emit_library_call_value_1): Update call to
1038         hard_libcall_value.
1039         * explow.c (hard_libcall_value): Use new target hook.
1040         * testsuite/lib/target-supports.exp
1041         (check_effective_target_arm_hard_vfp_ok): New hook.
1042         (check_effective_target_arm_neon_ok): Improve test for neon
1043         availability.
1044         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
1045         * config/arm/arm.c: Include cgraph.h
1046         (TARGET_FUNCTION_VALUE): Override default hook.
1047         (arm_pcs_default): New variable.
1048         (arm_override_options): Don't fault hard calling convention with VFP.
1049         Add support for AAPCS variants.
1050         (arm_function_value): Make static.  Handle AAPCS variants.
1051         (arm_libcall_value): New function.
1052         (arm_apply_result_size): Handle VFP registers in results.
1053         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
1054         conventions.
1055         (pcs_attribute_args): New variable.
1056         (arm_pcs_from_attribute): New function.
1057         (arm_get_pcs_model): New function.
1058         (aapcs_vfp_cum_init): New function.
1059         (aapcs_vfp_sub_candidate): New function.
1060         (aapcs_vfp_is_return_candidate): New function.
1061         (aapcs_vfp_is_call_candidate): New function.
1062         (aapcs_vfp_allocate): New function.
1063         (aapcs_vfp_allocate_return_reg): New function.
1064         (aapcs_vfp_advance): New function.
1065         (aapcs_cp_arg_layout): New variable.
1066         (aapcs_select_call_coproc): New function.
1067         (aapcs_select_return_coproc): New function.
1068         (aapcs_allocate_return_reg): New function.
1069         (aapcs_libcall_value): New function.
1070         (aapcs_layout_arg): New function.
1071         (arm_init_cumulative_args): Initialize AAPCS args data.
1072         (arm_function_arg): Handle AAPCS variants using new interface.
1073         (arm_arg_parital_bytes): Likewise.
1074         (arm_function_arg_advance): New function.
1075         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
1076         calling conventions.
1077         (arm_setup_incoming_varargs): Handle new AAPCS args data.
1078         * arm.h (NUM_VFP_ARG_REGS): Define.
1079         (LIBCALL_VALUE): Update.
1080         (FUNCTION_VALUE): Delete.
1081         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
1082         (arm_pcs): New enum.
1083         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
1084         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
1085         (FUNCTION_ARG_REGNO_P): Add VFP regs.
1086         * arm-protos.h (arm_function_arg_advance): Add.
1087         (aapcs_libcall_value): Add.
1088         (arm_function_value): Delete.
1089
1090 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
1091             H.J. Lu  <hongjiu.lu@intel.com>
1092
1093         PR target/40957
1094         * config/i386/i386.c (standard_sse_mode_p): Remove.
1095         (standard_sse_constant_p): Return 2 for integer mode
1096         vector_all_ones_operand when SSE2 is enabled.
1097         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
1098         (ix86_expand_vector_move): Do not check for negative values from
1099         standard_sse_constant_p.
1100
1101 2009-08-06  Richard Guenther  <rguenther@suse.de>
1102
1103         * tree-ssa.c (useless_type_conversion_p_1): Make function and
1104         array type comparisons frontend independent.
1105         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
1106         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
1107         out array reference lower bound and element size operands.
1108         (ao_ref_init_from_vn_reference): Properly compute the offset
1109         for ARRAY_RANGE_REF.
1110         (vn_reference_fold_indirect): Fill out array reference lower
1111         bound and element size operands.
1112         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
1113         a non gimple valued reference operand which can happen for
1114         array reference lower bound or element size.
1115         (create_component_ref_by_pieces_1): Properly generate the
1116         element size operand for array references.
1117
1118 2009-08-06  Richard Guenther  <rguenther@suse.de>
1119
1120         PR tree-optimization/40964
1121         * tree.c (iterative_hash_host_wide_int): Export.
1122         * tree.h (iterative_hash_host_wide_int): Declare.
1123         * tree-ssa-structalias.c (heapvar_map): New struct.
1124         (heapvar_map_eq): New function.
1125         (heapvar_map_hash): Likewise.
1126         (heapvar_lookup): Adjust.
1127         (heapvar_insert): Likewise.
1128         (make_constraint_from_heapvar): Allow multiple heap variables
1129         per decl at different offsets.
1130         (init_alias_heapvars): Adjust.
1131
1132 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
1133
1134         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
1135         * mips_output_sync_loop (mips_output_sync_loop): Only emit
1136         trailing sync if TARGET_SYNC_AFTER_SC.
1137
1138 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
1139
1140         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
1141         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
1142         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
1143         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
1144         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1145         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1146         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1147         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
1148         test_and_set_12): Rewrite calls to mips_output_sync_loop.
1149         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
1150         the prototype declaration match the definition.
1151         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
1152         instructions explicitly.  Add barrier_before and operands
1153         parameters.
1154         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
1155         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
1156         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
1157         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1158         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
1159         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
1160
1161 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
1162
1163         * tree-ssa-alias.c: Fix intervals to use [) syntax.
1164
1165 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
1166             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1167
1168         PR target/40906
1169         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
1170         source operand.
1171
1172 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
1173
1174         PR rtl-optimization/40924
1175         * dse.c (canon_address): Before calling cselib_expand_value_rtx
1176         make sure canon_rtx (mem_address) isn't simpler than
1177         canon_rtx (expanded_mem_address).
1178
1179 2009-08-05  Li Feng  <nemokingdom@gmail.com>
1180
1181         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
1182         for each poly_bb_p.
1183         (build_scop_drs): Build alias set for each SCoP.
1184
1185 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
1186
1187         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
1188         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
1189         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
1190         (MIPS_ARCH_FLOAT_SPEC): Likewise.
1191         (BASE_DRIVER_SELF_SPECS): Likewise.
1192
1193 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
1194
1195         * tree-ssa-alias.c: Fix some comment typos.
1196
1197 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1198
1199         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
1200         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
1201
1202 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
1203
1204         PR c/39902
1205         * simplify-rtx.c (simplify_binary_operation_1): Disable
1206         simplifications for decimal float operations.
1207
1208 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR middle-end/40943
1211         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
1212         operand of INDIRECT_REF.
1213
1214 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
1215
1216         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
1217         constants referencing TLS symbols.
1218
1219 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
1220
1221         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
1222         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
1223
1224 2009-08-03  Richard Guenther  <rguenther@suse.de>
1225
1226         * tree.c (make_vector_type): Build a main variant first,
1227         get the canonical one and then build the variant.
1228         * tree-ssa.c (useless_type_conversion_p_1): Handle
1229         fixed-point types.
1230         (useless_type_conversion_p): Conversions to pointers to
1231         incomplete record types are useless.
1232
1233 2009-08-03  Richard Guenther  <rguenther@suse.de>
1234
1235         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
1236         file will be created.
1237         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
1238         * toplev.c (compile_file): Adjust comment.
1239
1240 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1241
1242         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
1243         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
1244         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1245         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1246         (sh_promote_function_mode): Fix typo.
1247
1248 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1249
1250         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
1251
1252 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1253
1254         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
1255         declaration arguments.
1256
1257 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
1258
1259         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
1260         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
1261         (ix86_split_ashl): Ditto.
1262         (ix86_expand_vector_init_one_nonzero): Ditto.
1263         (ix86_expand_vector_set): Ditto.
1264         (ix86_expand_reduc_v4sf): Ditto.
1265
1266 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
1267
1268         * explow.c (promote_function_mode): Remove assert.
1269         * config/sh/sh.c (sh_promote_function_mode): Declare.
1270
1271 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1272
1273         * config/pa/pa.c (pa_promote_function_mode): Declare.
1274         Change to static.  Fix promote_mode call.
1275
1276         * gthr-dce.h (CONST_CAST2): Define if not defined.
1277         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
1278
1279         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
1280
1281 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
1282
1283         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1284         now write-only variable unsignedp.
1285         (expand_expr_real_1): Use promote_decl_mode.
1286         * expr.h (promote_function_mode, promote_decl_mode): New.
1287         (promote_mode): Remove last argument.
1288         * function.c (assign_temp): Drop last argument of promote_mode.
1289         (assign_parm_find_data_types): Use promote_function_mode.
1290         (assign_parm_setup_reg): Likewise.
1291         (expand_function_end): Use promote_function_mode.
1292         * calls.c (initialize_argument_information): Use promote_function_mode.
1293         (precompute_arguments): Use promote_mode instead of checking if
1294         only PROMOTE_FUNCTION_MODE is defined.
1295         (expand_call): When making sibcall decisions, use promote_function_mode.
1296         Below, remove an if for targetm.calls.promote_function_return and
1297         and use promote_function_mode.
1298         (emit_library_call_value_1): Use promote_function_mode, fix bug
1299         where promote_mode was passed FOR_CALL == 0 for a return value in an
1300         assertion.
1301         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1302         * explow.c (promote_function_mode, promote_decl_mode): New.
1303         (promote_mode): Keep only the FOR_CALL == 0 case.
1304         * combine.c (setup_incoming_promotion): Remove test of
1305         promote_function_args.  Use promote_function_mode.
1306         * stmt.c (expand_value_return): Use promote_decl_mode.
1307         (expand_decl): Use promote_decl_mode.
1308
1309         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1310         now write-only variable unsignedp.
1311         (expand_expr_real_1): Use promote_decl_mode.
1312         * expr.h (promote_function_mode, promote_decl_mode): New.
1313         (promote_mode): Remove last argument.
1314         * function.c (assign_temp): Drop last argument of promote_mode.
1315         (assign_parm_find_data_types): Use promote_function_mode.
1316         (assign_parm_setup_reg): Likewise.
1317         (expand_function_end): Use promote_function_mode.
1318         * calls.c (initialize_argument_information): Use promote_function_mode.
1319         (precompute_arguments): Use promote_mode instead of checking if
1320         only PROMOTE_FUNCTION_MODE is defined.
1321         (expand_call): When making sibcall decisions, use promote_function_mode.
1322         Below, remove an if for targetm.calls.promote_function_return and
1323         and use promote_function_mode.
1324         (emit_library_call_value_1): Use promote_function_mode, fix bug
1325         where promote_mode was passed FOR_CALL == 0 for a return value in an
1326         assertion.
1327         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1328         * explow.c (promote_function_mode, promote_decl_mode): New.
1329         (promote_mode): Keep only the FOR_CALL == 0 case.
1330         * combine.c (setup_incoming_promotion): Remove test of
1331         promote_function_args.  Use promote_function_mode.
1332         * stmt.c (expand_value_return): Use promote_decl_mode.
1333         (expand_decl): Use promote_decl_mode.
1334
1335         * explow.c (promote_function_mode): Just call the target hook.
1336         * targhooks.c (default_promote_function_mode,
1337         default_promote_function_mode_always_promote): New.
1338         * targhooks.h (default_promote_function_mode,
1339         default_promote_function_mode_always_promote): Declare.
1340         * target.h (promote_function_args, promote_function_return): Remove.
1341         (promote_function_mode): New.
1342         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
1343         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1344         (TARGET_PROMOTE_FUNCTION_MODE): New.
1345         (TARGET_CALLS): Adjust.
1346         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
1347         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
1348
1349         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
1350         * config/s390/s390.c (s390_promote_function_mode): ... here,
1351         with pointer handling.
1352         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1353         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1354
1355         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
1356         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
1357         with pointer handling.
1358         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1359         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1360
1361         * config/sh/sh-protos.h (sh_promote_function_mode): New.
1362         * config/sh/sh.c (sh_promote_function_mode): New.
1363         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1364         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1365
1366         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
1367         * config/cris/cris.c (cris_promote_function_mode): ... here.
1368         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1369         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1370
1371         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
1372         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
1373         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1374         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1375
1376         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
1377         * config/arm/arm.c (arm_promote_function_mode): ... here, without
1378         complex type handling.
1379         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1380         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1381
1382         * config/pa/pa.c (pa_promote_function_mode): New.
1383         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1384         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1385
1386         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
1387         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1388         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
1389         * config/xtensa/xtensa.c: Likewise.
1390         * config/stormy16/stormy16.c: Likewise.
1391         * config/iq2000/iq2000.c: Likewise.
1392         * config/rs6000/rs6000.c: Likewise.
1393         * config/picochip/picochip.c: Likewise.
1394         * config/arc/arc.c: Likewise.
1395         * config/mcore/mcore.c: Likewise.
1396         * config/score/score.c: Likewise.
1397         * config/mips/mips.c: Likewise.
1398         * config/bfin/bfin.c: Likewise.
1399         * config/ia64/ia64.c: Likewise (disabled though).
1400
1401         * config/frv/frv.h: Remove pointless remark.
1402
1403         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
1404         TARGET_PROMOTE_FUNCTION_ARGS,
1405         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
1406         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
1407
1408 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
1411         -floop-parallelize-all.
1412         * toplev.c (process_options): Rename flag_graphite_force_parallel to
1413         flag_loop_parallelize_all.
1414         * tree-ssa-loop.c (gate_graphite_transforms): Same.
1415         * graphite.c (graphite_transform_loops): Same.
1416         * common.opt: Same.
1417         * graphite-poly.c (apply_poly_transforms): Same.
1418
1419 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
1420
1421         PR tree-optimization/40914
1422         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
1423         if set, then check the delta field of the PMF record.
1424         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
1425         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
1426         call is stored in the delta.
1427
1428 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
1429
1430         * config/mips/mips.md (*clear_upper32_dext): New pattern.
1431
1432 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
1433
1434         * config/i386/bsd.h (ASM_BYTE): New define.
1435         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
1436         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
1437         .byte.  Use fputs or putc instead of fprintf where appropriate.
1438         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
1439         fputs or putc instead of fprintf where appropriate.
1440         * config/i386/i386elf.h: Ditto.
1441         * config/i386/sysv4.h: Ditto.
1442
1443         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
1444         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
1445         (*tls_global_dynamic_64): Ditto.
1446
1447 2009-07-31  Christian Bruel  <christian.bruel@st.com>
1448
1449         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
1450
1451 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1452
1453         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
1454         Remove dead code for MINUS.
1455
1456 2009-07-31  Anthony Green  <green@moxielogic.com>
1457
1458         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
1459         $r12 in prologue.
1460         (moxie_expand_epilogue): Ditto for epilogue.
1461         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
1462         incoming arguments.
1463         (moxie_function_arg): Ditto.
1464         (moxie_pass_by_reference): Ditto.
1465         (moxie_arg_partial_bytes): Ditto.
1466         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
1467         (FUNCTION_ARG_ADVANCE) Ditto.
1468         (REG_PARM_STACK_SPACE) Ditto.
1469         (FUNCTION_ARG_REGNO_P) Dito.
1470
1471         * config.gcc: Add moxie linux config support.
1472         * gcc/config/moxie/uclinux.h: New file.
1473
1474 2009-07-31  DJ Delorie  <dj@redhat.com>
1475
1476         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
1477         (UNSPECV_SP_SWITCH_E): New.
1478         (sp_switch_1): Change to an unspec.
1479         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
1480         replace $r15.
1481         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
1482         reference the new stack's address
1483
1484 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1485
1486         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
1487         graphite-clast-to-gimple.o, graphite-dependences.o,
1488         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1489         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
1490         (graphite-blocking.o,
1491         graphite-clast-to-gimple.o, graphite-dependences.o,
1492         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1493         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
1494         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
1495         * cfgloop.h (struct loop): Add can_be_parallel field.
1496         * common.opt (fgraphite-identity): Moved up.
1497         (fgraphite-force-parallel): New flag.
1498         * graphite.c: Rewrite.
1499         * graphite.h: Rewrite.
1500         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
1501         after Graphite.
1502         * toplev.c (graphite_out_file): New file descriptor.
1503         (graphite_in_file): New.
1504         (process_options): flag_graphite_force_parallel cannot be used without
1505         Graphite.
1506         * tree-ssa-loop.c: Include toplev.h.
1507         (gate_graphite_transforms): Enable flag_graphite for
1508         flag_graphite_force_parallel.
1509
1510 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1511
1512         * ChangeLog.graphite: New.
1513         * graphite-blocking.c: New.
1514         * graphite-clast-to-gimple.c: New.
1515         * graphite-clast-to-gimple.h: New.
1516         * graphite-dependences.c: New.
1517         * graphite-dependences.h: New.
1518         * graphite-interchange.c: New.
1519         * graphite-poly.c: New.
1520         * graphite-poly.h: New.
1521         * graphite-ppl.c: New.
1522         * graphite-ppl.h: New.
1523         * graphite-scop-detection.c: New.
1524         * graphite-scop-detection.h: New.
1525         * graphite-sese-to-poly.c: New.
1526         * graphite-sese-to-poly.h: New.
1527         * sese.c: New.
1528         * sese.h: New.
1529
1530 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1533         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
1534
1535 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
1538         (scev_is_linear_expression): Return false if the evolution is not
1539         affine multivariate.
1540
1541 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1544         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1545
1546 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * tree-data-ref.c (debug_data_references): New.
1549         (debug_data_reference): New.
1550         * tree-data-ref.h (debug_data_references): Declared.
1551         (debug_data_reference): Declared.
1552
1553 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * tree-data-ref.c (stmt_simple_memref_p: Removed.
1556         * tree-data-ref.h (scop_p): Removed.
1557         (struct data_reference): Remove field scop.
1558         (DR_SCOP): Removed.
1559         (stmt_simple_memref_p): Removed.
1560
1561 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1562
1563         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
1564         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
1565         basic block empty.
1566
1567 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1568
1569         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
1570
1571 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1572
1573         * doc/invoke.texi (-fgraphite-identity): Documented.
1574
1575 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * tree-scalar-evolution.c: Fix comment.
1578         (instantiate_scev_1): Return unknow from scev instantiation if the
1579         result is not above instantiate_below.
1580
1581 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1584         static anymore.  Instantiate the symbols that may have been introduced
1585         by chrec_apply.
1586         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1587         Declared.
1588
1589 2009-07-30  DJ Delorie  <dj@redhat.com>
1590
1591         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
1592         .vliw directive to VLIW sections.
1593
1594 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1595
1596         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
1597         New variables.
1598         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
1599         (AUTOHEADER): New variable.
1600         ($(srcdir)/cstamp-h.in): Use it.
1601
1602 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
1603             Pat Haugen  <pthaugen@us.ibm.com>
1604             Revital Eres <ERES@il.ibm.com>
1605
1606         * config/rs6000/vector.md (VEC_F): Add VSX support.
1607         (VEC_A): Ditto.
1608         (VEC_N): Ditto.
1609         (mov<mode>): Ditto.
1610         (vector_load_<mode>): Ditto.
1611         (vector_store_<mode>): Ditto.
1612         (vector GPR move split): Ditto.
1613         (vec_reload_and_plus_<mptrsize>): Ditto.
1614         (vec_reload_and_reg_<mptrsize>): Ditto.
1615         (add<mode>3): Ditto.
1616         (sub<mode>3): Ditto.
1617         (mul<mode>3): Ditto.
1618         (neg<mode>2): Ditto.
1619         (abs<mode>2): Ditto.
1620         (smin<mode>3): Ditto.
1621         (smax<mode>3): Ditto.
1622         (vector_eq<mode>): Ditto.
1623         (vector_gt<mode>): Ditto.
1624         (vector_ge<mode>): Ditto.
1625         (vector_gtu<mode>): Ditto.
1626         (vector_select_<mode>_uns): Ditto.
1627         (vector_eq_<mode>_p): Ditto.
1628         (vector_gt_<mode>_p): Ditto.
1629         (vector_ge_<mode>_p): Ditto.
1630         (vector_gtu_<mode>_p): Ditto.
1631         (cr6_test_for_zero): Ditto.
1632         (cr6_test_for_zero_reverse): Ditto.
1633         (cr6_test_for_lt): Ditto.
1634         (cr6_test_for_lt_reverse): Ditto.
1635         (xor<mode>3): Ditto.
1636         (ior<mode>3): Ditto.
1637         (and<mode>3): Ditto.
1638         (one_cmpl<mode>2): Ditto.
1639         (nor<mode>2): Ditto.
1640         (andc<mode>2): Ditto.
1641         (float<VEC_int<mode>2): Ditto.
1642         (unsigned_float<VEC_int><mode>2): Ditto.
1643         (fix_trunc<mode><VEC_int>2): Ditto.
1644         (fixuns_trunc<mode><VEC_int>2): Ditto.
1645         (vec_init<mode>):
1646         (vec_set<mode>): Ditto.
1647         (vec_extract<mode>): Ditto.
1648         (vec_interleave_highv4sf): Ditto.
1649         (vec_interleave_lowv4sf): Ditto.
1650         (vec_realign_load_<mode>): Ditto.
1651         (vec_shl_<mode>): Ditto.
1652         (vec_shr_<mode>): Ditto.
1653         (div<mode>3): New patterns for VSX.
1654         (vec_interleave_highv2df): Ditto.
1655         (vec_interleave_lowv2df): Ditto.
1656         (vec_pack_trunc_v2df): Ditto.
1657         (vec_pack_sfix_trunc_v2df): Ditto.
1658         (vec_pack_ufix_trunc_v2df): Ditto.
1659         (vec_unpacks_hi_v4sf): Ditto.
1660         (vec_unpacks_lo_v4sf): Ditto.
1661         (vec_unpacks_float_hi_v4si): Ditto.
1662         (vec_unpacks_float_lo_v4si): Ditto.
1663         (vec_unpacku_float_hi_v4si): Ditto.
1664         (vec_unpacku_float_lo_v4si): Ditto.
1665         (movmisalign<mode>): Ditto.
1666         (vector_ceil<mode>2): New patterns for vectorizing math library.
1667         (vector_floor<mode>2): Ditto.
1668         (vector_btrunc<mode>2): Ditto.
1669         (vector_copysign<mode>3): Ditto.
1670
1671         * config/rs6000/predicates.md (easy_vector_constant_msb): New
1672         predicate for setting the high bit in each word, used for copysign.
1673
1674         * config/rs6000/ppc-asm.h (f19): Whitespace.
1675         (f32-f63): Define if VSX.
1676         (v0-v31): Define if Altivec.
1677         (vs0-vs63): Define if VSX.
1678
1679         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
1680
1681         * config/rs6000/power7.md: New file, provide tuning parameters for
1682         -mcpu=power7.
1683
1684         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
1685         (rs6000_cpu_cpp_builtins): Ditto.
1686         (altivec_overloaded_builtins): Ditto.
1687         (altivec_resolve_overloaded_builtin): Ditto.
1688
1689         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
1690         debug switch to disable vectorizing simple math builtin
1691         functions.
1692
1693         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1694         Vectorize simple math builtin functions.
1695         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1696         hook to vectorize math builtins.
1697         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
1698         (rs6000_builtin_conversion): Add VSX/power7 support.
1699         (rs6000_builtin_vec_perm): Ditto.
1700         (vsplits_constant): Add support for loading up a vector constant
1701         with just the high bit set in each part.
1702         (rs6000_expand_vector_init): Add VSX/power7 support.
1703         (rs6000_expand_vector_set): Ditto.
1704         (rs6000_expand_vector_extract): Ditto.
1705         (rs6000_emit_move): Ditto.
1706         (bdesc_3arg): Ditto.
1707         (bdesc_2arg): Ditto.
1708         (bdesc_1arg): Ditto.
1709         (rs6000_expand_ternop_builtin): Ditto.
1710         (altivec_expand_builtin): Ditto.
1711         (rs6000_expand_unop_builtin): Ditto.
1712         (rs6000_init_builtins): Ditto.
1713         (altivec_init_builtins): Ditto.
1714         (builtin_function_type): Ditto.
1715         (rs6000_common_init_builtins): Ditto.
1716         (rs6000_handle_altivec_attribute); Ditto.
1717         (rs6000_mangle_type): Ditto.
1718         (rs6000_vector_mode_supported_p): Ditto.
1719         (rs6000_mode_dependent_address): Altivec addresses with AND -16
1720         are mode dependent.
1721
1722         * config/rs6000/vsx.md: New file for VSX support.
1723
1724         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
1725         identifing values with just the most significant bit set.
1726         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
1727         vectorized builtins.
1728
1729         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
1730         (UNSPEC_VRFIM): Delete.
1731         (splitter for loading up vector with most significant bit): New
1732         splitter for vectorizing copysign.
1733         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
1734         vectorizing simple math functions.
1735         (altivec_vrfip): Add support for vectorizing simple math functions.
1736         (altivec_vrfim): Ditto.
1737         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
1738
1739         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
1740         (power7.md, vsx.md): Include for power7 support.
1741         (copysigndf3): Use VSX instructions if -mvsx.
1742         (negdf2_fpr): Ditto.
1743         (absdf2_fpr): Ditto.
1744         (nabsdf2_fpr): Ditto.
1745         (adddf3_fpr): Ditto.
1746         (subdf3_fpr): Ditto.
1747         (muldf3_fpr): Ditto.
1748         (divdf3_fpr): Ditto.
1749         (fix_truncdfdi2_fpr): Ditto.
1750         (cmpdf_internal1): Ditto.
1751         (fred, fred_fpr): Convert into expander/insn to add VSX support.
1752         (btruncdf2, btruncdf2_fpr): Ditto.
1753         (ceildf2, ceildf2_fpr): Ditto.
1754         (floordf2, floordf2_fpr): Ditto.
1755         (floatdidf2, floatdidf2_fpr): Ditto.
1756         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
1757         (fmsubdf4_fpr): Ditto.
1758         (fnmadddf4_fpr_1): Ditto.
1759         (fnmadddf4_fpr_2): Ditto.
1760         (fnmsubdf4_fpr_1): Ditto.
1761         (fnmsubdf4_fpr_2): Ditto.
1762         (fixuns_truncdfdi2): Add expander for VSX support.
1763         (fix_truncdfdi2): Ditto.
1764         (fix_truncdfsi2): Ditto.
1765         (ftruncdf2): Ditto.
1766         (btruncsf2): Whitespace.
1767         (movdf_hardfloat32): Add support for VSX registers.
1768         (movdf_softfloat32): Ditto.
1769         (movdf_hardfloat64): Ditto.
1770         (movdf_hardfloat64_mfpgpr): Ditto.
1771         (movdf_softfloat64): Ditto.
1772         (movti splitters): Add check for vector registers supporting
1773         TImode in the future.
1774         (bpermd): Add power7 bpermd instruction.
1775
1776         * config/rs6000/altivec.h (vec_div): Define if VSX.
1777         (vec_mul): Ditto.
1778         (vec_msub): Ditto.
1779         (vec_nmadd): Ditto.
1780         (vec_nearbyint): Ditto.
1781         (vec_rint): Ditto.
1782         (vec_sqrt): Ditto.
1783         (all predicates): Use the generic builtin function, and not the V4SF
1784         specific function so that the predicates will work with VSX's V2DF.
1785         (vec_all_*): Ditto.
1786         (vec_any_*): Ditto.
1787
1788         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
1789         Document new VSX functions and types.
1790
1791         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
1792         switches.
1793
1794         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
1795         "wa", and "j" constraints.  Modify "v" to talk about Altivec
1796         instead of just vector.
1797
1798 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
1799
1800         PR debug/26475
1801         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
1802         location for phi arguments.
1803         (rewrite_update_phi_arguments): Find locations for reaching defs.
1804         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
1805         Add location to add_phi_arg calls.
1806         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
1807         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
1808         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
1809         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
1810         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
1811         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
1812         * tree-phinodes.c (make_phi_node): Initialize location.
1813         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
1814         (add_phi_arg): Add location parameter.
1815         (remove_phi_arg_num): Move location when moving phi argument.
1816         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
1817         location.
1818         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
1819         slpeel_update_phi_nodes_for_guard1,
1820         slpeel_update_phi_nodes_for_guard2,
1821         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
1822         vect_loop_versioning): Set locations.
1823         * tree-parloops.c (create_phi_for_local_result,
1824         transform_to_exit_first_loop, create_parallel_loop): Add locations.
1825         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
1826         * tree-vect-loop.c (get_initial_def_for_induction,
1827         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
1828         locations.
1829         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
1830         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
1831         (gimple_phi_arg_set_location): New.  Set locus.
1832         (gimple_phi_arg_has_location): New.  Check for locus.
1833         (redirect_edge_var_map_location): New.  Return locus from var_map.
1834         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
1835         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
1836         combining PHI arguments.
1837         (cond_store_replacement): Set location.
1838         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
1839         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
1840         scop_add_exit_phis_edge): Add locations.
1841         * tree-cfgcleanup.c (remove_forwarder_block,
1842         remove_forwarder_block_with_phi): Add locations.
1843         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
1844         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
1845         locations.
1846         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
1847         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
1848         flush_pending_stmts): Add source location.
1849         * lambda-code.c (perfect_nestify): Maintain location stack with argument
1850         stack to preserve locations.
1851         * tree-vect-stmts.c (vectorizable_load): Add location.
1852         * tree-inline.c (copy_phis_for_bb): Copy locus.
1853         (setup_one_parameter): Add call locus to inlined parameter stmts.
1854         (initialize_inlined_parameters): Pass in call location as parameter
1855         assignment locus.
1856         (tree_function_versioning): Pass location to setup_one_parameter.
1857         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
1858         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
1859         copy and edge lists.
1860         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
1861         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
1862         locus parameter and override the stmt default if provided.
1863         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1864         elim_graph_add_edge, elim_graph_remove_succ_edge,
1865         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
1866         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
1867         eliminate_phi):  Add locus info in elimination graph for each edge and
1868         value copy.
1869         (insert_backedge_copies): Copy locus if present.
1870         * tree-flow.h (struct _edge_var_map): Add locus field.
1871         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
1872         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
1873         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
1874         locations.
1875         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
1876
1877 2009-07-30  Martin Jambor  <mjambor@suse.cz>
1878
1879         PR tree-optimization/40570
1880         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
1881         use inlining loops.
1882
1883 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
1884
1885         * ssa-loop-manip.c: Include langhooks.h.
1886         (rewrite_phi_with_iv): New.
1887         (rewrite_all_phi_nodes_with_iv): New.
1888         (canonicalize_loop_ivs): Move here from tree-parloops.c.
1889         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
1890         * tree-parloops.c (loop_parallel_p): Move out all conditions
1891         except dependency check.
1892         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
1893         (gen_parallel_loop): Call canonicalize_loop_ivs without
1894         reduction_list argument.
1895         (build_new_reduction): New.
1896         (gather_scalar_reductions): New.
1897         (try_get_loop_niter): New.
1898         (try_create_reduction_list): New.
1899         (parallleize_loops): Change the parallel conditions check.
1900         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1901         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
1902
1903 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1904
1905         * opt-functions.awk (opt_args): Allow argument to be enclosed in
1906         curly braces.
1907         * doc/options.texi (Option properties):  Mention new quoting syntax.
1908
1909 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1910
1911         * config/alpha/alpha.c (alpha_start_function):
1912         Handle VMS_DEBUG_MAIN_POINTER
1913         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
1914         * doc/invoke.texi: Document -mdebug-main switch.
1915
1916 2009-07-29  Richard Henderson  <rth@redhat.com>
1917
1918         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
1919         (cgraph_create_edge_including_clones): Likewise.
1920         * tree-inline.c (copy_bb): Operate on the correct edges
1921         when updating the callgraph.
1922
1923 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1924
1925         * config/alpha/vms-cc.c: Deleted.
1926         * config/alpha/vms-ld.c: Deleted.
1927         * config/alpha/t-vms64: Moved to config/vms
1928         * config/alpha/vms-crt0-64.c: Moved to config/vms
1929         * config/alpha/vms-crt0.c: Moved to config/vms
1930         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
1931         * config/alpha/vms-psxcrt0.c: Moved to config/vms
1932         * config/alpha/xm-vms.h: Moved to config/vms
1933         * config/alpha/x-vms: Moved to config/vms
1934         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
1935         config/vms/t-vms.
1936         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
1937         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
1938         (version): Set.
1939         * config/vms/t-vms64: Moved here from config/alpha
1940         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
1941         (argc,argv,envp): Enforce 32bit malloc'ing.
1942         * config/vms/vms-psxcrt0-64.c: Likewise.
1943         * config/vms/vms-crt0.c: Moved here from config/alpha.
1944         * config/vms/vms-psxcrt0.c: Likewise.
1945         * config/vms/vms-crtl-64.h: New file.
1946         * config/vms/vms-crtl.h: New file.
1947         * config/vms/vms.opt: New file.
1948         * config/vms/xm-vms64.h: New file.
1949         * config/vms/xm-vms.h: Moved here from config/alpha.
1950         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
1951         Set.
1952         * config/vms/x-vms: Moved here from config/alpha.
1953         (version, VMS_EXTRA_PARTS): Moved to t-vms.
1954         (vms-ld.o, vms-cc.o): Removed.
1955         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
1956
1957 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1958
1959         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
1960         correct stack (obvious VMS fix).
1961
1962 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1963
1964         * dwarf2out.c (output_file_names): Output VMS style file name, size,
1965         date, version info if VMS_DEBUGGING_INFO defined.
1966         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
1967         size, date calculating code moved here.
1968
1969 2009-07-29  Paul Brook  <paul@codesourcery.com>
1970
1971         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
1972         do_push/do_pop.
1973
1974 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
1975
1976         PR target/40577
1977         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
1978         to DImode when generating insq_le insn.
1979
1980 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
1981
1982         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
1983         New macro set for VMS_DEBUGGGING_INFO.
1984         (AT_string_form): Use it.
1985
1986 2009-07-28  DJ Delorie  <dj@redhat.com>
1987
1988         * config/mep/mep.c (vtext_section): New.
1989         (vftext_section): New.
1990         (ftext_section): New.
1991         (mep_select_section): Add support for functions.
1992         (mep_unique_section): Likewise.
1993         (mep_asm_init_sections): Likewise.
1994         (mep_encode_section_info): Remove it from here.
1995
1996         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
1997
1998 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
1999
2000         * tree.h (TREE_DEPRECATED): Document it is used for types too.
2001         (TYPE_VECTOR_OPAQUE): Use default_def_flag
2002
2003 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
2004
2005         * dwarf2out.c (output_file_names): Test new macro
2006         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
2007         (add_comp_dir_attribute): Likewise.
2008
2009 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
2010
2011         * config/i386/mingw-w64.h (LINK_SPEC): Add
2012         separating space between commands.
2013
2014 2009-07-28  Jan Hubicka  <jh@suse.cz>
2015
2016         PR tree-optimization/40759
2017         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
2018         for renaming.
2019
2020 2009-07-27  DJ Delorie  <dj@redhat.com>
2021
2022         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
2023         types are dword-aligned.
2024         (mep_expand_va_start): Likewise.
2025
2026 2009-07-27  Olivier Hainque  <hainque@adacore.com>
2027             Douglas B Rupp  <rupp@gnat.com>
2028
2029         * convert.c (convert_to_pointer): Don't assume the target
2030         pointer type is POINTER_SIZE long. Fetch its precision instead.
2031
2032 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
2033
2034         * system.h (fopen): Undefine if macro.
2035
2036 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
2037
2038         * dwarf2out.c (output_cfi_p): Removed.
2039         (output_cfis): New function.
2040         (output_fde): New function, split from output_call_frame_info.
2041         (output_call_frame_info): Use it.
2042         (dwarf2out_switch_text_section): Use output_cfis.
2043
2044 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
2045
2046         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
2047         TARGET_BI_ARCH is specified without enabling SJLJ.
2048         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
2049         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
2050
2051 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
2052
2053         * arm.md (negdi2): Use DImode if forcing a value into a register.
2054
2055 2009-07-26  Ira Rosen  <irar@il.ibm.com>
2056
2057         PR tree-optimization/40801
2058         * tree-vect-stmts.c (vectorizable_call): Get previous copy
2059         of vector operand from the previous copy of vector statement.
2060         Pass the correct definition type value to
2061         vect_get_vec_def_for_stmt_copy().
2062
2063 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2064
2065         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
2066         const char ** conversion.
2067
2068 2009-07-25 David Daney <ddaney@caviumnetworks.com>
2069
2070         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
2071         fancy_abort() if !ENABLE_ASSERT_CHECKING.
2072         (gcc_unreachable): Invoke __builtin_unreachable() if
2073         !ENABLE_ASSERT_CHECKING.
2074
2075 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2076
2077         PR rtl-optimization/40445
2078         * emit-rtl.c (next_nonnote_insn_bb): New function.
2079         * rtl.h (next_nonnote_insn_bb): Declare new function.
2080         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
2081         with no successors that is the successor of the ENTRY_BLOCK.
2082         Continue from the top after removing an empty fallthrough block.
2083         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
2084         of next_nonnote_insn.
2085
2086 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2087
2088         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
2089
2090 2009-07-25  Martin Jambor  <mjambor@suse.cz>
2091
2092         * c-common.c (c_common_attribute_table): New element for noclone.
2093         (handle_noclone_attribute): New function. Forward-declare.
2094         * tree-inline.c (tree_versionable_function_p): Check for noclone
2095         attribute.
2096         * doc/extend.texi (Labels as Values): Document need for noclone.
2097         (Function Attributes): Document noclone attribute.
2098
2099 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
2100
2101         PR rtl-optimization/34999
2102         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
2103         and dw_fde_switched_cold_to_hot fields.
2104         (output_cfi_p): New function.
2105         (output_call_frame_info): If fde->dw_fde_switched_sections,
2106         output 2 FDEs instead of one with corrupted header.
2107         (dwarf2out_do_cfi_startproc): New function.
2108         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
2109         and fde->dw_fde_switched_cold_to_hot.
2110         (dwarf2out_switch_text_section): Compute
2111         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
2112         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
2113         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
2114         Otherwise, compute fde->dw_fde_switch_cfi.
2115
2116 2009-07-24  Cary Coutant  <ccoutant@google.com>
2117
2118         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
2119
2120 2009-07-24  Cary Coutant  <ccoutant@google.com>
2121
2122         * cfghooks.c (split_block): Copy discriminator to new block.
2123         * tree-cfg.c (assign_discriminator): Check location of last
2124         instruction in block as well as first.
2125
2126 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
2127
2128         * config/i386/linux.c: Use fputs or putc instead of fprintf
2129         where appropriate.
2130         * config/i386/gas.h: Ditto.
2131         * config/i386/x86-64.h: Ditto.
2132         * config/i386/att.h: Ditto.
2133
2134 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2135
2136         * expmed.c (emit_store_flag): Use a recursive call to optimize the
2137         xor case.
2138
2139 2009-07-24  Martin Jambor  <mjambor@suse.cz>
2140
2141         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
2142         (ipa_push_func_to_list_1): Declare.
2143         (ipa_push_func_to_list): New function.
2144
2145         * ipa-prop.c (ipa_push_func_to_list_1): New function.
2146         (ipa_init_func_list): Call ipa_push_func_to_list_1.
2147         (ipa_push_func_to_list): Removed.
2148         (ipa_pop_func_from_list): Clear node_enqueued flag.
2149
2150 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2151
2152         * config/s390/s390.c (override_options): Default
2153         max-unrolled-insns to 100 for z10 tuning.
2154
2155 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2156
2157         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
2158         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
2159         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
2160         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
2161         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
2162         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
2163         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
2164
2165 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
2166
2167         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
2168         use default set in mingw32.h header.
2169         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
2170         64-bit /mingw/include path.
2171         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
2172         path.
2173
2174 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
2175
2176         PR rtl-optimization/40209
2177         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
2178
2179 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
2180
2181         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
2182         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
2183         with the rest of string where appropriate.  Use fputs or putc
2184         instead of fprintf where appropriate.
2185
2186 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
2187             Pat Haugen  <pthaugen@us.ibm.com>
2188             Revital Eres <ERES@il.ibm.com>
2189
2190         * config/rs6000/vector.md: New file.  Move most of the vector
2191         expander support here from altivec.md to allow for the VSX vector
2192         unit in the future.  Add support for secondary_reload patterns.
2193         Rewrite the patterns for vector comparison, and vector comparison
2194         predicate instructions so that the RTL expresses the desired
2195         behavior, instead of using unspec.
2196
2197         * config/rs6000/constraints.md ("f" constraint): Use
2198         rs6000_constraints to hold the precalculated register class.
2199         ("d" constraint): Ditto.
2200         ("wd" constraint): New constraint for VSX.
2201         ("wf" constraint): Ditto.
2202         ("ws" constraint): Ditto.
2203         ("wa" constraint): Ditto.
2204         ("wZ" constraint): Ditto.
2205         ("j" constraint): Ditto.
2206
2207         * config/rs6000/predicates.md (vsx_register_operand): New
2208         predicate for VSX.
2209         (vfloat_operand): New predicate for vector.md.
2210         (vint_operand): Ditto.
2211         (vlogical_operand): Ditto.
2212         (easy_fp_constant): If VSX, 0.0 is an easy constant.
2213         (easy_vector_constant): Add VSX support.
2214         (altivec_indexed_or_indirect_operand): New predicate for
2215         recognizing Altivec style memory references with AND -16.
2216
2217         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
2218         for vector secondary reload support.
2219         (rs6000_vector_reg_class): Delete, replacing it with
2220         rs6000_constraints.
2221         (rs6000_vsx_reg_class): Ditto.
2222         (rs6000_constraints): New array to hold the register classes of
2223         each of the register constraints that can vary at runtime.
2224         (builtin_mode_to_type): New static array for builtin function type
2225         creation.
2226         (builtin_hash_table): New static hash table for builtin function
2227         type creation.
2228         (TARGET_SECONDARY_RELOAD): Define target hook.
2229         (TARGET_IRA_COVER_CLASSES): Ditto.
2230         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
2231         registers are 128 bits if VSX memory reference instructions are used.
2232         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
2233         unit is being used.
2234         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
2235         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
2236         Print several of the scheduling related parameters.
2237         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
2238         rs6000_constraints instead of rs6000_vector_reg_class.  Move
2239         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
2240         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
2241         Altivec.  Add VSX support.  Setup for secondary reload support on
2242         Altivec/VSX registers.
2243         (rs6000_override_options): Make power7 set the scheduling groups
2244         like the power5.  Add support for new debug switches to override
2245         the scheduling defaults.  Temporarily disable -mcpu=power7 from
2246         setting -mvsx.  Add support for debug switches -malways-hint,
2247         -msched-groups, and -malign-branch-targets.
2248         (rs6000_buitlin_conversion): Add support for returning unsigned
2249         vector conversion functions to fix regressions due to stricter
2250         type checking.
2251         (rs6000_builtin_mul_widen_even): Ditto.
2252         (rs6000_builtin_mul_widen_odd): Ditto.
2253         (rs6000_builtin_vec_perm): Ditto.
2254         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
2255         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
2256         to zero a register.
2257         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
2258         generated upstream.
2259         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
2260         VSX types for bit operations.  Changes to accomidate vector.md.
2261         (bdesc_2arg): Ditto.
2262         (bdesc_1arg): Ditto.
2263         (struct builtin_description_predicates): Rewrite predicate
2264         handling so that RTL describes the operation, instead of passing
2265         the instruction to be used as a string argument.
2266         (bdesc_altivec_preds): Ditto.
2267         (altivec_expand_predicate_builtin): Ditto.
2268         (altivec_expand_builtin): Ditto.
2269         (rs6000_expand_ternop_builtin): Use a switch instead of an if
2270         statement for vsldoi support.
2271         (altivec_expand_ld_builtin): Change to use new names from vector.md.
2272         (altivec_expand_st_builtin): Ditto.
2273         (paired_expand_builtin): Whitespace changes.
2274         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
2275         builtin_mode_to_type table for secondary reload.  Call
2276         builtin_function_type to build random builtin functions.
2277         (altivec_init_builtins): Change to use builtin_function_type to
2278         create builtin function types dynamically as we need them.
2279         (builtin_hash_function): New support for hashing the tree types
2280         for builtin function as we need it, rather than trying to build
2281         all of the trees that we need.  Add initial preliminary VSX support.
2282         (builtin_function_type): Ditto.
2283         (builtin_function_eq): Ditto.
2284         (builtin_hash_struct): Ditto.
2285         (rs6000_init_builtins): Ditto.
2286         (rs6000_common_init_builtins): Ditto.
2287         (altivec_init_builtins): Ditto.
2288         (rs6000_common_init_builtins): Ditto.
2289         (enum reload_reg_type): New enum for simplifing reg classes.
2290         (rs6000_reload_register_type): Simplify register classes into GPR,
2291         Vector, and other registers.  Altivec and VSX addresses in reload.
2292         (rs6000_secondary_reload_inner): Ditto.
2293         (rs6000_ira_cover_classes): New target hook, that returns the
2294         appropriate cover classes, based on -mvsx being used or not.
2295         (rs6000_secondary_reload_class): Add VSX support.
2296         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
2297         (get_vsel_insn): Ditto.
2298         (rs6000_emit_vector_compare): Rewrite vector conditional support
2299         so that where we can, we use RTL operators, instead of blindly use
2300         UNSPEC.
2301         (rs6000_emit_vector_select): Ditto.
2302         (rs6000_emit_vector_cond_expr): Ditto.
2303         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
2304         (create_TOC_reference): Add -mdebug=addr support.
2305         (emit_frame_save): VSX loads/stores need register indexed addressing.
2306
2307         * config/rs6000/rs6000.md: Include vector.md.
2308
2309         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
2310
2311         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2312         support for V2DI, V2DF in logical, permute, select operations.
2313
2314         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
2315         switch for vsx/power7.
2316         (-mvsx-scalar-memory): Ditto.
2317         (-mvsx-align-128): Ditto.
2318         (-mallow-movmisalign): Ditto.
2319         (-mallow-df-permute): Ditto.
2320         (-msched-groups): Ditto.
2321         (-malways-hint): Ditto.
2322         (-malign-branch-targets): Ditto.
2323
2324         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
2325         hook instead.
2326         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
2327         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
2328         (rs6000_vector_reg_class): Delete.
2329         (rs6000_vsx_reg_class): Ditto.
2330         (enum rs6000_reg_class_enum): New enum for the constraints that
2331         vary based on target switches.
2332         (rs6000_constraints): New array to hold the register class for all
2333         of the register constraints that vary based on the switches used.
2334         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
2335         (enum rs6000_builtins): Add unsigned varients for the builtin
2336         declarations returned by target hooks for expanding multiplies,
2337         select, and permute operations.  Add VSX builtins.
2338         (enum rs6000_builtin_type_index): Add entries for VSX.
2339         (V2DI_type_node): Ditto.
2340         (V2DF_type_node): Ditto.
2341         (unsigned_V2DI_type_node): Ditto.
2342         (bool_long_type_node): Ditto.
2343         (intDI_type_internal_node): Ditto.
2344         (uintDI_type_internal_node): Ditto.
2345         (double_type_internal_node): Ditto.
2346
2347         * config/rs6000/altivec.md (whole file): Move all expanders to
2348         vector.md from altivec.md.  Rename insn matching functions to be
2349         altivec_foo.
2350         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
2351         (altivec_vcmp*): Ditto.
2352         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
2353         (VM): New iterator for moves that includes the VSX types.
2354         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
2355         (altivec_vperm_<mode>_uns): New, for unsigned types.
2356         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
2357         (altivec_eq<mode>): Ditto.
2358         (altivec_gt<mode>): Ditto.
2359         (altivec_gtu<mode>): Ditto.
2360         (altivec_eqv4sf): Ditto.
2361         (altivec_gev4sf): Ditto.
2362         (altivec_gtv4sf): Ditto.
2363         (altivec_vcmpbfp_p): Ditto.
2364
2365 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
2366
2367         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
2368         unsigned HWI.
2369
2370 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
2371
2372         PR target/40832
2373         * config/i386/i386.c (output_387_ffreep): Rewrite to use
2374         ASM_SHORT instead of .word.
2375         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
2376         instead of .word in asm template.
2377
2378 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
2379
2380         PR target/37488
2381         * ira-lives.c (bb_has_abnormal_call_pred): New function.
2382         (process_bb_node_lives): Use it.
2383
2384         * ira.c (setup_cover_and_important_classes): Don't setup
2385         ira_important_class_nums.  Add cover classes to the end of
2386         important classes.
2387         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
2388         New.
2389         (find_reg_class_closure): Use reorder_important_classes.
2390
2391         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
2392
2393         * config/i386/i386.c (i386_ira_cover_classes): New function.
2394         (TARGET_IRA_COVER_CLASSES): Redefine.
2395
2396         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
2397         importance of order of cover classes in the array.
2398
2399 2009-07-22  Diego Novillo  <dnovillo@google.com>
2400
2401         * tree-pass.h (TDF_EH): Define.
2402         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
2403         contains TDF_EH, print the EH region number holding GS.
2404         * tree-dump.c (dump_options): Add "eh".
2405         * doc/invoke.texi: Document it.
2406
2407 2009-07-22  Doug Kwan  <dougkwan@google.com>
2408
2409         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
2410
2411 2009-07-22  Michael Matz  <matz@suse.de>
2412
2413         PR tree-optimization/35229
2414         PR tree-optimization/39300
2415
2416         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
2417         (inhibit_phi_insertion): New function.
2418         (insert_into_preds_of_block): Call it for REFERENCEs.
2419         (init_pre): Initialize and finalize scalar evolutions.
2420         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
2421
2422 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
2423
2424         * config/i386/predicates.md (zero_extended_scalar_load_operand):
2425         Use CONST_VECTOR_NUNITS to determine number of elements.
2426
2427 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2428
2429         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
2430         (U, W): Constraints are now deprecated and will be removed if we
2431         run out of letters.
2432         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
2433         the file.
2434         ("prefetch"): Add the stcmh instruction for prefetching.
2435         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
2436         changes.
2437         (s390_short_displacement): Return always true if compiling for
2438         machines not providing the long displacement facility.
2439         (s390_mem_constraint): Support the new constraint letter Z.
2440         (s390_check_qrst_address): New function.
2441
2442 2009-07-21  DJ Delorie  <dj@redhat.com>
2443
2444         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
2445         alone too.
2446
2447 2009-07-21  Jason Merrill  <jason@redhat.com>
2448
2449         * c-common.c (max_tinst_depth): Increase default to 1024.
2450
2451 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2452
2453         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
2454         (vec_unpacku_float_lo_v4si): Ditto.
2455
2456 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2457
2458         PR target/40811
2459         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
2460         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
2461         (builtin_description): Add __builtin_ia32_cvtudq2ps.
2462         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
2463
2464 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
2465
2466         PR tree-optimization/40813
2467         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
2468         it.
2469
2470 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2471
2472         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
2473         with a NOP_EXPR if needed.
2474
2475 2009-07-21  Paul Brook <paul@codesourcery.com>
2476
2477         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
2478         Terminate debug dump with newline.
2479
2480 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2481
2482         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
2483         Cast "1" to unsigned HOST_WIDE_INT.
2484         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
2485         deposit length to the maximum length - lsb.  Extend length if
2486         HOST_BITS_PER_WIDE_INT is 32.
2487
2488 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
2489
2490         * cgraph.h (constant_pool_htab): New function.
2491         (constant_descriptor_tree): Move from varasm.c.
2492         * varasm.c (constant_pool_htab): New function.
2493         (constant_descriptor_tree): Move to cgraph.h.
2494
2495 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
2496
2497         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
2498
2499 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
2500
2501         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
2502         $(VARRAY_H).
2503
2504 2009-07-20  Xinliang David Li  <davidxl@google.com>
2505
2506         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
2507
2508 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
2509
2510         * config/mips/mips.md (move_type): Add arith.
2511         (type): Handle arith.
2512         (zero_extendsidi2): Rename this into ...
2513         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
2514         (zero_extendsidi2): New expander.
2515         (*zero_extendsidi2_dext): New pattern.
2516
2517 2009-07-20  Nick Clifton  <nickc@redhat.com>
2518
2519         * config.gcc (mips64-*-*): Add definition of tm_defines in order
2520         to set MIPS_ABI_DEFAULT.
2521         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
2522
2523 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
2524
2525         * tree-object-size.c (addr_object_size): Handle unions with
2526         array in it as last field of structs in __bos (, 1) as __bos (, 0).
2527
2528         PR tree-optimization/40792
2529         * tree.c (build_function_type_skip_args): Remove bogus assert.
2530
2531 2009-07-20  Jan Hubicka  <jh@suse.cz>
2532             Martin Jambor  <mjambor@suse.cz>
2533
2534         * cgraph.h (combined_args_to_skip): New field.
2535         * cgraph.c (cgraph_create_virtual_clone): Properly handle
2536         combined_args_to_skip and args_to_skip.
2537         * tree-inline.c (update_clone_info): New function.
2538         (tree_function_versioning): Call update_clone_info.
2539         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
2540         functions.
2541         (cgraph_materialize_all_clones): More extensive dumping, working
2542         with combined_args_to_skip rather than args_to_skip.
2543
2544 2009-07-20  Ira Rosen  <irar@il.ibm.com>
2545
2546         * tree-vectorizer.h (vectorizable_condition): Add parameters.
2547         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
2548         (get_initial_def_for_reduction): Likewise.
2549         (vectorizable_reduction): Skip the check of first operand in case
2550         of COND_EXPR. Add check that it is outer loop vectorization if
2551         nested cycle was detected. Call vectorizable_condition() for
2552         COND_EXPR. If reduction epilogue cannot be created do not fail for
2553         nested cycles (if it is not double reduction). Assert that there
2554         is only one type in the loop in case of COND_EXPR. Call
2555         vectorizable_condition() to vectorize COND_EXPR.
2556         * tree-vect-stmts.c (vectorizable_condition): Update comment.
2557         Add parameters. Allow nested cycles if called from
2558         vectorizable_reduction(). Use reduction vector variable if provided.
2559         (vect_analyze_stmt): Call vectorizable_reduction() before
2560         vectorizable_condition().
2561         (vect_transform_stmt): Update call to vectorizable_condition().
2562
2563 2009-07-20  Christian Bruel  <christian.bruel@st.com>
2564
2565         * config/sh/sh.opt (-mfmovd): Resurrect and document.
2566         * doc/invoke.texi (-mfmovd): Likewise.
2567         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
2568
2569 2009-07-20  Jan Hubicka  <jh@suse.cz>
2570
2571         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
2572         when handling SSA name.
2573
2574 2009-07-19  Jan Hubicka  <jh@suse.cz>
2575
2576         PR tree-optimization/40676
2577         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
2578         virtual PHIs in empty BBs.
2579
2580 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2581
2582         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
2583         re-expanded the compound use gen_lowpart instead to convert to the
2584         desired mode.
2585
2586 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2587
2588         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
2589         OUTER_CONST arguments.
2590         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
2591         the new wider mode will be masked off.
2592         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
2593
2594 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2595
2596         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
2597         high-order bits are zero.
2598
2599 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2600
2601         * combine.c (simplify_shift_const_1): Split code to determine
2602         shift_mode into ...
2603         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
2604         new bits shifted in are identical to the old sign bit.
2605
2606 2009-07-18  Richard Guenther  <rguenther@suse.de>
2607
2608         PR c/40787
2609         * gimplify.c (gimplify_call_expr): Reject code using results from
2610         functions returning void.
2611
2612 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2613
2614         * doc/md.texi: Document the new PowerPC "es" constraint.
2615         Document that "m" can include automodified addresses on this target,
2616         and explain how %U must be used.  Extend the "Q" and "Z" documentation
2617         to suggest "es" as well as "m".
2618         * config/rs6000/constraints.md (es): New memory constraint.
2619         (Q, Z): Update strings to match new documentation.
2620
2621 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2622
2623         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
2624         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
2625         * config/rs6000/predicates.md (volatile_mem_operand): Use
2626         offsettable_nonstrict_memref_p.
2627         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
2628         (*floatunssidf2_internal): Likewise.
2629         (*fix_truncdfsi2_internal): Likewise.
2630         (*fix_trunctfsi2_internal): Likewise.
2631
2632 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
2633
2634         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
2635         atmega32u2 devices.
2636         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2637
2638 2009-07-17  Richard Guenther  <rguenther@suse.de>
2639
2640         PR c/40401
2641         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
2642         (pass_warn_unused_result): Likewise.
2643         (TODO_set_props): Remove.
2644         * omp-low.c (diagnose_omp_structured_block_errors): Change to
2645         run as a pass.
2646         (pass_diagnose_omp_blocks): Define.
2647         * c-decl.c (pop_file_scope): Do not finalize the CU here.
2648         (c_gimple_diagnostics_recursively): Remove.
2649         (finish_function): Do not call it.
2650         (c_write_global_declarations): Continue after errors.
2651         Finalize the CU here.
2652         * c-gimplify.c (c_genericize): Do not gimplify here.
2653         * c-common.c (c_warn_unused_result): Move ...
2654         * tree-cfg.c (do_warn_unused_result): ... here.
2655         (run_warn_unused_result): New function.
2656         (gate_warn_unused_result): New function.
2657         (pass_warn_unused_result): New pass.
2658         * c-common.h (c_warn_unused_result): Remove.
2659         * flags.h (flag_warn_unused_result): Declare.
2660         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
2661         * opts.c (flag_warn_unused_result): Initialize to false.
2662         * toplev.c (compile_file): Add comment.
2663         * omp-low.c (create_omp_child_function): Do not register
2664         the function with the frontend.
2665         (diagnose_omp_structured_block_errors): Prepare to be
2666         called as optimization pass.
2667         (gate_diagnose_omp_blocks): New function.
2668         (pass_diagnose_omp_blocks): New pass.
2669         * cgraph.h (cgraph_optimize): Remove.
2670         (cgraph_analyze_function): Likewise.
2671         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
2672         * cgraphunit.c (cgraph_lower_function): Lower nested functions
2673         before their parents here.
2674         (cgraph_finalize_function): Not here.
2675         (cgraph_analyze_function): Gimplify functions here.
2676         (cgraph_finalize_compilation_unit): Continue after errors.
2677         Optimize the callgraph from here.
2678         (cgraph_optimize): Make static.
2679         * langhooks.c (write_global_declarations): Finalize the CU.
2680         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
2681         (gimplify_function_tree): Assert we gimplify only once.
2682         Set PROP_gimple_any property.
2683         * tree-nested.c (gimplify_all_functions): New function.
2684         (lower_nested_functions): Gimplify all nested functions.
2685         * gimple.h (diagnose_omp_structured_block_errors): Remove.
2686         * passes.c (init_optimization_passes): Add pass_warn_unused_result
2687         and pass_diagnose_omp_blocks after gimplification.  Do not
2688         set TODO_set_props on all_lowering_passes.
2689         (execute_one_pass): Do not handle TODO_set_props.
2690         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
2691         (gimplify.o): Add tree-pass.h dependency.
2692         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
2693         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
2694         (unsave_r): Likewise.
2695         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
2696         temporary variable.
2697
2698 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
2699
2700         * doc/service.texi (Service): Restore previously removed link,
2701         which isn't broken after all.
2702
2703 2009-07-17  Richard Guenther  <rguenther@suse.de>
2704
2705         PR tree-optimization/40321
2706         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
2707         PHI nodes to the maximal set.
2708         (make_values_for_phi): Add PHI arguments to the maximal set.
2709         (execute_pre): Dump PHI_GEN and the maximal set.
2710
2711 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
2712
2713         PR c++/40780
2714         * gimplify.c (gimplify_conversion): Don't change non-conversions into
2715         VIEW_CONVERT_EXPR.
2716
2717 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
2718
2719         * doc/extend.texi (Nested Functions): Replace broken link with
2720         textual reference.
2721         * doc/service.texi (Service): Remove broken link.
2722
2723 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
2724
2725         PR bootstrap/40781
2726         * builtins.c (expand_builtin_memcmp): Use loc instead of
2727         EXPR_LOCATION (exp).
2728         (expand_builtin_strncmp): Likewise.
2729
2730 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
2731             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2732
2733         PR 40435
2734         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
2735         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
2736         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
2737         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
2738         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
2739         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
2740         tree-inline.c, c-common.c, c-common.h, gimple.c,
2741         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
2742         convert.c: Add location argument to fold_{unary,binary,ternary},
2743         fold_build[123], build_call_expr, build_size_arg,
2744         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
2745         fold_build1_initializer, fold_build2_initializer,
2746         fold_build3_initializer, fold_build_call_array,
2747         fold_build_call_array_initializer, fold_single_bit_test,
2748         omit_one_operand, omit_two_operands, invert_truthvalue,
2749         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
2750         combine_comparisons, fold_builtin_*, fold_call_expr,
2751         build_range_check, maybe_fold_offset_to_address, round_up,
2752         round_down.
2753
2754 2009-07-16  Jason Merrill  <jason@redhat.com>
2755
2756         PR libstdc++/37907
2757         * c-common.c (c_common_reswords): Add __is_standard_layout
2758         and __is_trivial.
2759         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
2760         * doc/implement-cxx.texi: New.
2761         * doc/gcc.texi: Include it.
2762
2763 2009-07-16  DJ Delorie  <dj@redhat.com>
2764
2765         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
2766         compares that may be indirectly affected by previous instructions.
2767
2768 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2769
2770         * builtins.c (do_mpc_arg2): New.
2771         (fold_builtin_2): Fold builtin cpow.
2772         * real.h (HAVE_mpc_pow): New.
2773
2774 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
2775
2776         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
2777         comparison to skip unprofitable schedule
2778
2779 2009-07-16  Simon Baldwin  <simonb@google.com>
2780
2781         * gcc.c (option_map): New flag -no-canonical-prefixes.
2782         * (display_help): Print help text for new flag.
2783         * (process_command): Move options translation and language specifics
2784         and handle new flag early.  Use it to set a function pointer to a
2785         prefix builder.  Replace make_relative_prefix calls with calls to
2786         the function pointed to.  Ignore new flag in regular options handling.
2787         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
2788
2789 2009-07-15  DJ Delorie  <dj@redhat.com>
2790
2791         * config/mep/mep.md (sibcall_internal): Change register to avoid
2792         argument registers.
2793         (sibcall_value_internal): Likewise.
2794
2795 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
2796
2797         PR rtl-optimization/40710
2798         * resource.c (mark_target_live_regs): Reset DF problem to LR.
2799
2800 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
2801
2802         * config/mips/mips.md (*extenddi_truncate<mode>,
2803         *extendsi_truncate<mode>): Change type attribute to move_type
2804         with shift_shift.  Split out code handling exts from here ...
2805         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
2806         pattern.
2807         (*extendhi_truncateqi): Change type attribute to move_type with
2808         shift_shift.  Split out code handling exts from here ...
2809         (*extendhi_truncateqi_exts): ... to this new pattern.
2810
2811 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
2812
2813         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
2814         instead of "and" with inverted sign bit mask value.  Use
2815         "nonimmediate_operand" for operand 1 and operand 2 predicate.
2816         Allocate registers only for operand 4 and operand 5.
2817
2818 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR middle-end/40747
2821         * fold-const.c (fold_cond_expr_with_comparison): When folding
2822         < and <= to MIN, make sure the MIN uses the same type as the
2823         comparison's operands.
2824
2825 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
2826
2827         * arm.md (ior_xor): New code iterator.
2828         (split for ior/xor with shift and zero-extend): New split pattern.
2829         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
2830
2831 2009-07-15  Richard Guenther  <rguenther@suse.de>
2832
2833         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
2834         offset member.
2835
2836 2009-07-15  Richard Guenther  <rguenther@suse.de>
2837
2838         PR middle-end/40753
2839         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
2840
2841 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2842
2843         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
2844         handle 2.6.30 kernel.
2845
2846 2009-07-15  DJ Delorie  <dj@redhat.com>
2847
2848         * config/mep/mep.md (sibcall_internal): Change register to allow
2849         for 24-bit addresses.
2850         (sibcall_value_internal): Likewise.
2851
2852 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2853
2854         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
2855         that are enabled/disabled by the flags introduced by a previous patch.
2856
2857 2009-07-14  DJ Delorie  <dj@redhat.com>
2858
2859         * config/mep/mep.md (sibcall_internal): Include non-toggling
2860         non-jmp case.
2861         (sibcall_value_internal): Likewise.
2862
2863 2009-07-14  Taras Glek  <tglek@mozilla.com>
2864             Rafael Espindola  <espindola@google.com>
2865
2866         * doc/sourcebuild.texi: Document install-plugin target.
2867         * configure.ac: Added install-plugin target to language makefiles.
2868         * configure: Regenerate.
2869         * Makefile.in: (install-plugin): Install more headers,
2870         depend on lang.install-plugin.
2871
2872 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2873
2874         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
2875         translation.
2876
2877 2009-07-14  DJ Delorie  <dj@redhat.com>
2878
2879         * config/mep/mep.c (mep_vliw_jmp_match): New function.
2880         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
2881         * config/mep/mep.md (sibcall_internal): Change test from
2882         mep_vliw_mode_match to mep_vliw_jmp_match.
2883         (sibcall_value_internal): Likewise.
2884
2885 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
2886
2887         * config/i386/sse.md (copysign<mode>3): New expander.
2888         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
2889         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
2890         Use ix86_build_const_vector.
2891         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
2892         IX86_BUILTIN_CPYSGNPD.
2893         (builtin_description): Add __builtin_ia32_copysignps and
2894         __builtin_ia32_copysignpd.
2895         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
2896         and BUILT_IN_COPYSIGNF.
2897
2898 2009-07-13  Jason Merrill  <jason@redhat.com>
2899
2900         * builtins.c (can_trust_pointer_alignment): New fn.
2901         (get_pointer_alignment): Factor it out from here.
2902         * tree.h: Declare it.
2903
2904 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
2905
2906         * config/rs6000/predicates.md (offsettable_mem_operand): Test
2907         RTX_AUTOINC class.
2908
2909 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
2910
2911         PR debug/40705
2912         PR c++/403057
2913         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
2914
2915 2009-07-14  Richard Guenther  <rguenther@suse.de>
2916             Andrey Belevantsev <abel@ispras.ru>
2917
2918         PR middle-end/40745
2919         * cfgexpand.c (partition_stack_vars): Do not bother to update
2920         alias information when not optimizing.
2921
2922 2009-07-14  Richard Guenther  <rguenther@suse.de>
2923             Andrey Belevantsev <abel@ispras.ru>
2924
2925         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
2926         (pt_solution_set): Likewise.
2927         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
2928         * tree-ssa-structalias.c (pt_solution_set): New function.
2929         * final.c (rest_of_clean_state): Free SSA data structures.
2930         * print-rtl.c (print_decl_name): Remove.
2931         (print_mem_expr): Implement in terms of print_generic_expr.
2932         * alias.c (ao_ref_from_mem): New function.
2933         (rtx_refs_may_alias_p): Likewise.
2934         (true_dependence): Query alias-export info.
2935         (canon_true_dependence): Likewise.
2936         (write_dependence_p): Likewise.
2937         * tree-dfa.c (get_ref_base_and_extent): For void types leave
2938         size unknown.
2939         * emit-rtl.c (component_ref_for_mem_expr): Remove.
2940         (mem_expr_equal_p): Use operand_equal_p.
2941         (set_mem_attributes_minus_bitpos): Do not use
2942         component_ref_for_mem_expr.
2943         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
2944         (update_alias_info_with_stack_vars): Likewise.
2945         (partition_stack_vars): Call update_alias_info_with_stack_vars.
2946         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
2947         explicitly nor clear stmt operands.
2948         Free the decl-to-pointer map.
2949         * tree-optimize.c (execute_free_datastructures): Do not free
2950         SSA data structures here.
2951         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
2952         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
2953         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
2954         dependencies.
2955         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
2956
2957 2009-07-13  DJ Delorie  <dj@redhat.com>
2958
2959         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
2960         unrolling at the right iteration count.
2961
2962         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
2963         calculations.
2964
2965 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2966
2967         * haifa-sched.c (rank_for_schedule): Introduced flags to
2968         enable/disable individual scheduling heuristics.
2969         * common.opt: Introduced flags to enable/disable individual
2970         heuristics in the scheduler.
2971         * doc/invoke.texi: Introduced flags to enable/disable individual
2972         heuristics in the scheduler.
2973
2974 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
2975
2976         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
2977         config/i386/mingw-tls.c.
2978         * config/i386/mingw-tls.c: Removed.
2979
2980 2009-07-13  Ira Rosen  <irar@il.ibm.com>
2981
2982         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
2983         checks access only relevant statements.
2984         (vectorizable_reduction): Likewise.
2985
2986 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
2987
2988         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
2989         just for 32-bit case.
2990
2991 2009-07-12  Jan Hubicka  <jh@suse.cz>
2992
2993         PR tree-optimization/40585
2994         * except.c (expand_resx_expr): When there already is resume
2995         instruction, produce linked list.
2996         (build_post_landing_pads): Assert that resume is empty.
2997         (connect_post_landing_pads): Handle resume lists.
2998         (dump_eh_tree): Dump resume list.
2999
3000 2009-07-12  Ira Rosen  <irar@il.ibm.com>
3001
3002         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
3003         with additional argument.
3004         * tree-vectorizer.h (enum vect_def_type): Add
3005         vect_double_reduction_def.
3006         (vect_is_simple_reduction): Add argument.
3007         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
3008         indentation.
3009         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
3010         vect_is_simple_reduction with additional argument.
3011         (vect_analyze_loop_operations): Handle exit phi nodes in case of
3012         double reduction.
3013         (reduction_code_for_scalar_code): Handle additional codes by
3014         returning ERROR_MARK for them. Fix comment and indentation.
3015         (vect_is_simple_reduction): Fix comment, add argument to specify
3016         double reduction. Detect double reduction.
3017         (get_initial_def_for_induction): Fix indentation.
3018         (get_initial_def_for_reduction): Fix comment and indentation.
3019         Handle double reduction. Create initial definitions that do not
3020         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
3021         (vect_create_epilog_for_reduction): Fix comment, add argument to
3022         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
3023         epilogue result extraction. Create double reduction phi node and
3024         replace relevant uses.
3025         (vectorizable_reduction): Call vect_is_simple_reduction with
3026         additional argument. Fix indentation. Update epilogue code treatment
3027         according to the changes in reduction_code_for_scalar_code. Check
3028         for double reduction. Call vect_create_epilog_for_reduction with
3029         additional argument.
3030         * tree-vect-stmts.c (process_use): Handle double reduction, update
3031         documentation.
3032         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
3033         (vect_get_vec_def_for_operand): Likewise.
3034
3035 2009-07-12  Danny Smith  <dansmister@gmail.com>
3036
3037         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
3038         dllexport if !TREE_PUBLIC.
3039         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
3040
3041 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
3042
3043         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
3044         (avr_extra_arch_macro) Remove declatation.
3045         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
3046         (avr_extra_arch_macro) Declare as static.
3047         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
3048
3049 2009-07-11  Jan Hubicka  <jh@suse.cz>
3050
3051         PR middle-end/48388
3052         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
3053
3054 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
3055
3056         PR debug/40713
3057         * dwarf2out.c (dw_fde_struct): Add in_std_section and
3058         cold_in_std_section bits.
3059         (dwarf2out_begin_prologue): Initialize them.
3060         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
3061         if already covered by text_section or cold_text_section range.
3062
3063         PR rtl-optimization/40667
3064         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
3065         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
3066         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
3067         * config/i386/i386.c (ix86_minimum_alignment): New function.
3068         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
3069         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
3070         * emit-rtl.c (gen_reg_rtx): Likewise.
3071         * function.c (assign_parms): Likewise.  If nominal_type needs
3072         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
3073         rather than passed_type's alignment.
3074
3075         PR target/40668
3076         * function.c (assign_parm_setup_stack): Adjust
3077         MEM_OFFSET (data->stack_parm) if promoted_mode is different
3078         from nominal_mode on big endian.
3079
3080 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
3081
3082         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
3083
3084 2009-07-10  DJ Delorie  <dj@redhat.com>
3085
3086         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
3087
3088 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
3089
3090         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
3091         attribute.
3092         (thumb2_cbnz): Likewise.
3093
3094 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
3095
3096         PR target/39079
3097         * config.gcc (supported_defaults): Add synci.
3098         (with_synci): Add validation.
3099         (all_defaults): Add synci.
3100         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
3101         ISA_HAS_SYNCI.
3102         (synci): Same.
3103         * config/mips/mips.opt (msynci): New option.
3104         * config/mips/mips.c (mips_override_options): Warn on use of
3105         -msynci for targets that do now support it.
3106         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3107         msynci.
3108         * gcc/doc/invoke.texi (-msynci): Document the new option.
3109         * doc/install.texi (--with-synci): Document the new option.
3110
3111 2009-07-10  Richard Guenther  <rguenther@suse.de>
3112
3113         PR tree-optimization/40496
3114         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
3115         the PHI result with a compatible type.
3116
3117 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3118
3119         PR 25509
3120         PR 40614
3121         * c.opt (Wunused-result): New.
3122         * doc/invoke.texi: Document it.
3123         * c-common.c (c_warn_unused_result): Use it.
3124
3125 2009-07-09  DJ Delorie  <dj@redhat.com>
3126
3127         * targhooks.c (default_target_can_inline_p): Rename from
3128         default_target_option_can_inline_p.
3129         * targhooks.h (default_target_can_inline_p): Likewise.
3130         * target-def.h (TARGET_CAN_INLINE_P): Rename from
3131         TARGET_OPTION_CAN_INLINE_P.
3132         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
3133         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
3134         (mep_target_can_inline_p): Rename from
3135         mep_target_option_can_inline_p.
3136
3137         PR target/40626
3138         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
3139         registers used to pass vectors.
3140
3141         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
3142
3143 2009-07-09  Tom Tromey  <tromey@redhat.com>
3144
3145         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
3146         * config/mmix/mmix.c: Include dwarf2.h.
3147         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
3148         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
3149         * config/sh/sh.c: Include dwarf2.h.
3150         * config/i386/i386.c: Include dwarf2.h.
3151         * Makefile.in (DWARF2_H): Remove 'elf'.
3152         * except.c: Include dwarf2.h.
3153         * unwind-dw2.c: Include dwarf2.h.
3154         * dwarf2out.c: Include dwarf2.h.
3155         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
3156         * unwind-dw2-fde.c: Include dwarf2.h.
3157         * dwarf2asm.c: Include dwarf2.h.
3158
3159 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3160
3161         * haifa-sched.c (insn_finishes_cycle_p): New static function.
3162         (max_issue): Use it.
3163         * sched-int.h (struct sched_info: insn_finishes_block_p): New
3164         scheduler hook.
3165         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
3166         (region_sched_info): Update.
3167         * sched-ebb.c (ebb_sched_info): Update.
3168         * modulo-sched.c (sms_sched_info): Update.
3169         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
3170
3171 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3172
3173         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
3174
3175 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
3176
3177         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
3178
3179 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
3180
3181         PR middle-end/40692
3182         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
3183         arg1 with arg01 if arg1 is already INTEGER_CST.
3184
3185 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
3186
3187         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
3188         Transform (and (truncate)) into (truncate (and)).
3189
3190 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
3191
3192         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
3193         creating LHS paradoxical subregs.  Fix surrounding returns to
3194         use NULL_RTX rather than 0.
3195
3196 2009-07-08  DJ Delorie  <dj@redhat.com>
3197
3198         * config/mep/mep.c: (mep_option_can_inline_p): New.
3199         (TARGET_OPTION_CAN_INLINE_P): Define.
3200
3201 2009-07-08  Mark Wielaard  <mjw@redhat.com>
3202
3203         PR debug/40659
3204         * dwarf2out.c (add_data_member_location_attribute): When we have
3205         only a constant offset don't emit a new location description using
3206         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
3207         dwarf_version > 2.
3208
3209 2009-07-08  Richard Henderson  <rth@redhat.com>
3210
3211         PR target/38900
3212         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
3213         (enum reg_class): Add CLOBBERED_REGS.
3214         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
3215         * config/i386/i386.c (ix86_conditional_register_usage): Moved
3216         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
3217         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
3218         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
3219         force 64-bit sibcalls into R11.
3220         * config/i386/constraints.md (U): New constraint.
3221         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
3222         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
3223         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
3224
3225 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
3226
3227         * basic-block.h (dump_regset, debug_regset): Remove duplicate
3228         prototypes.
3229         * c-objc-common.h (c_initialize_diagnostics): Ditto.
3230         * ebitmap.h (dump_ebitmap): Ditto.
3231         * optabs.h (optab_libfunc): Ditto.
3232         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
3233         * tree-flow.h (vect_can_force_dr_alignment_p,
3234         get_vectype_for_scalar_type): Ditto.
3235         (vectorize_loops): Move prototype to ...
3236         * tree-vectorizer.h: ... here. Also, adjust comment.
3237         (vect_set_verbosity_level): Remove duplicate prototype.
3238         * tree-ssa-loop.c: Include tree-vectorizer.h.
3239         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
3240
3241 2009-07-08  Nick Clifton  <nickc@redhat.com>
3242
3243         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
3244         forward slash.
3245
3246 2009-07-08  DJ Delorie  <dj@redhat.com>
3247
3248         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
3249         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
3250         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
3251         written to.
3252         * config/mep/intrinsics.md: Regenerated.
3253         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
3254         registers when asm() or calls are detected.
3255
3256 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3257
3258         PR c++/31246
3259         * gimplify.c (gimplify_expr): Propagate no_warning flag when
3260         gimplifying.
3261         * gimple (gimple_build_call_from_tree): Likewise.
3262         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
3263         no_warning flag before warning.
3264
3265 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3266
3267         * tree.c (set_expr_locus): Remove.
3268         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
3269         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
3270         EXPR_LOCATION.
3271         * gimplify.c (internal_get_tmp_var): Likewise.
3272         (gimplify_call_expr): Likewise.
3273         (gimplify_one_sizepos): Likewise.
3274
3275 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
3276
3277         PR debug/40666
3278         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
3279         to variables for debugging purposes.
3280
3281 2009-06-23  Mark Loeser  <mark@halcy0n.com>
3282
3283         PR build/40010
3284         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
3285
3286 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3287
3288         * pretty-print.c (pp_base_format): Remove %J.
3289         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3290         gcc_cxxdiag_char_table): Likewise.
3291         (init_dynamic_diag_info): Likewise.
3292
3293 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3294
3295         * pretty-print.c (pp_base_format): Remove %H.
3296         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3297         gcc_cxxdiag_char_table): Likewise.
3298         (init_dynamic_diag_info): Likewise.
3299         * config/mep/mep.c (mep_select_section): Likewise.
3300
3301 2009-07-07  Duncan Sands  <baldrick@free.fr>
3302
3303         * final.c (pass_clean_state): Give the pass a name.
3304         * passes.c (pass_rest_of_compilation): Likewise.
3305         * tree-optimize.c (pass_all_optimizations): Likewise.
3306
3307 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3308
3309         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
3310         an extra 'decl' for error_at.
3311
3312 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
3313
3314         PR middle-end/40669
3315         * tree-tailcall.c (adjust_return_value_with_ops,
3316         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
3317         if it has complex or vector type.
3318
3319 2009-07-07  Olivier Hainque  <hainque@adacore.com>
3320
3321         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
3322         pthread symbols.
3323
3324 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
3325
3326         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
3327
3328 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3329
3330         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
3331         * c-decl.c: Likewise.
3332         * function.c: Likewise.
3333         * varasm.c: Likewise.
3334         * tree-ssa.c: Likewise.
3335         * c-common.c: Likewise.
3336         * tree-cfg.c: Likewise.
3337         * config/spu/spu.c: Likewise.
3338         * config/ia64/ia64.c: Likewise.
3339         * config/v850/v850.c: Likewise.
3340
3341 2009-07-06  DJ Delorie  <dj@redhat.com>
3342
3343         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
3344         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
3345         unspecified accesses to control registers.
3346         * config/mep/intrinsics.md: Regenerate.
3347         * config/mep/intrinsics.h: Regenerate.
3348         * config/mep/mep-intrin.h: Regenerate.
3349
3350 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3351
3352         * c-lex.c: Replace %H by an explicit location. Update all calls.
3353         * c-common.c: Likewise.
3354         * c-decl.c: Likewise.
3355         * c-typeck.c: Likewise.
3356         * fold-const.c: Likewise.
3357         * gimplify.c: Likewise.
3358         * stmt.c: Likewise.
3359         * tree-cfg.c: Likewise.
3360         * tree-ssa-loop-niter.c: Likewise.
3361         * tree-vrp.c: Likewise.
3362         * value-prof.c: Likewise.
3363
3364 2009-07-06  Diego Novillo  <dnovillo@google.com>
3365
3366         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
3367         if it has one.  Handle cases where VAR does not have an
3368         annotation or cfun is NULL.
3369
3370 2009-07-06  Diego Novillo  <dnovillo@google.com>
3371
3372         * tree.c: Include debug.h.
3373         (initialize_tree_contains_struct): New.
3374         (init_ttree): Call it.
3375         (tree_node_structure_for_code): Factor out of ...
3376         (tree_node_structure): ... here.
3377         * treestruct.def (TS_PHI_NODE): Remove.
3378         (TS_GIMPLE_STATEMENT): Remove.
3379
3380 2009-07-06  Diego Novillo  <dnovillo@google.com>
3381
3382         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
3383         (debug_tree_chain): Handle cycles.
3384
3385 2009-07-06  Nick Clifton  <nickc@redhat.com>
3386             DJ Delorie  <dj@redhat.com>
3387
3388         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
3389         __FMOVD_ENABLED__ is defined.
3390         * config/sh/sh.h
3391         (TARGET_FMOVD): Provide a default definition.
3392         (MASK_FMOVD): Likewise.
3393         (TARGET_CPU_CPP_BUILTINS): Define
3394         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
3395         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
3396         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
3397         (split for DF load from memory into register): Also handle
3398         MEMs which consist of REG+DISP addressing.
3399         (split for DF store from register to memory): Likewise.
3400         (movsf_ie): Always use single fp_mode.
3401         * config/sh/sh.c (sh_override_options): Do not automatically
3402         enable TARGET_MOVD for the SH2A when supporting doubles - leave
3403         that to the -mfmovd command line switch.
3404         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
3405         (fldi_ok): Always allow.
3406         * config/sh/sh.opt (mfmovd): Remove this switch.
3407         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
3408
3409 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
3410             Kaz Kojima  <kkojima@gcc.gnu.org>
3411
3412         PR rtl-optimization/30807
3413         * postreload.c (reload_combine): For every new use of REG_SUM,
3414         record the use of BASE.
3415
3416 2009-07-06  Jan Hubicka  <jh@suse.cz>
3417
3418         * params.def: Revert my accidental commit at 2009-06-30.
3419
3420 2009-07-04  Ian Lance Taylor  <iant@google.com>
3421
3422         PR target/40636
3423         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
3424         EXPORTED_CONST.
3425         (mingw_format_attribute_overrides): Likewise.