OSDN Git Service

2009-08-14 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
2
3         PR target/40934
4         * config/i386/i386.c (ix86_fp_comparison_strategy):
5         Only enable/disable sahf at function granularity. 
6
7 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
8
9         PR rtl-optimization/41064
10         * reload1.c (reload_as_needed): Don't call extract_insn
11         for known invalid replacements after calling
12         validate_replace_rtx_group and verify_changes.
13
14 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
15
16         PR target/41019
17         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
18         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
19         ix86_expand_fp_vcond.
20         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
21         Assert that operation is supported by ix86_expand_int_vcond.
22         (vcondu<SSEMODE124C8:mode>): Ditto.
23
24 2009-08-13  DJ Delorie  <dj@redhat.com>
25
26         * config/i386/djgpp-stdint.h: New.
27         * config.gcc (djgpp): Use it.
28
29 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
30
31         * config/sh/sh.c (sh_override_options): When flag_exceptions or
32         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
33
34 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
35
36         * tree-ssa-loop-prefetch.c 
37         (prune_ref_by_group_reuse): Enhance probabilistic analysis 
38         for long-stride pruning.
39         (compute_miss_rate): New function to compute the probability
40         that two memory references access different cache lines. 
41
42 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
43
44         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
45
46 2009-08-13  Richard Guenther  <rguenther@suse.de>
47
48         PR middle-end/41047
49         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
50         use the constant pointer type.
51         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
52         of CV qualifiers on the target pointer type.
53         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
54         conversion check before restrict check.
55
56 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
57
58         PR target/41029
59         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
60
61 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
62
63         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
64
65 2009-08-12  Richard Guenther  <rguenther@suse.de>
66
67         PR tree-optimization/41011
68         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
69         and reference constructing.
70
71 2009-08-12  Xinliang David Li  <davidxl@google.com>
72
73         PR tree-optimization/41012
74         * tree-flow.h : New external interface.
75         * gimple-low.c (check_call_arg): Change to public function.
76         Remove argument mismatch check in lowering.
77         * tree-inline.h (tree_can_inline_p): Interface change.
78         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
79         into this function.
80         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
81         Call change to tree_can_inline_p function.
82         (cgraph_decide_inlining_incrementally): Ditto.
83
84 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
85
86         PR tree-optimization/41031
87         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
88         on the partition variable rather than promote_mode on the source
89         type.  Assert that the partition variable's type has the same
90         mode as the source value's.
91
92 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
93
94         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
95         for for_return == 2.
96         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
97         comments.
98         * calls.c (expand_call): Fix typo.
99         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
100         and PARM_DECL.
101         * stmt.c (expand_value_return): Use promote_function_mode to copy out
102         of pseudo.
103         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
104         * config/cris/cris.c (cris_promote_function_mode): Likewise.
105         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
106         * config/pa/pa.c (pa_promote_function_mode): Likewise.
107
108 2009-08-11  Andrew Haley  <aph@redhat.com>
109
110         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
111
112 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
113
114         PR bootstrap/40103
115         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
116
117 2009-08-12  Richard Guenther  <rguenther@suse.de>
118
119         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
120         * gimplify.c (gimplify_modify_expr): Do not use
121         lang_hooks.types_compatible_p.
122         * tree-ssa.c (useless_type_conversion_p): For aggregates
123         just return false if the canonical types differ.
124
125 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
126
127         PR middle-end/40980
128         * sese.c (convert_for_phi_arg): New.
129         (add_guard_exit_phis): Use convert_for_phi_arg.
130
131 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
132
133         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
134         unknown subscript upper bounds.
135
136 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
137             Pranav Garg  <pranav.garg2107@gmail.com>
138
139         * graphite-interchange.c (gather_access_strides): Removed.
140         (ppl_max_for_le): New.
141         (build_linearized_memory_access): New.
142         (memory_stride_in_loop): New.
143         (pbb_interchange_profitable_p): Reimplemented.
144         * graphite-ppl.h (ppl_new_id_map): New.
145         (ppl_interchange): New.
146
147 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
148
149         * graphite-interchange.c (compute_subscript): Removed.
150         (compute_array_size_cstr): Removed.
151         (compute_array_size_poly): Removed.
152         (compute_array_size): Removed.
153         (gather_access_strides_poly): Removed.
154         (gather_access_strides): Empty.
155
156 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
157
158         * graphite-dependences.c (dependence_polyhedron_1): Replace
159         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
160         (graphite_legal_transform_dr): Same.
161         (graphite_carried_dependence_level_k): Same.
162         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
163         Initialize PDR_NB_SUBSCRIPTS.
164         (print_pdr_access_layout): Replace pdr_nb_subscripts with
165         PDR_NB_SUBSCRIPTS.
166         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
167         (PDR_NB_SUBSCRIPTS): New.
168         (pdr_nb_subscripts): Removed.
169         (pdr_dim): Simplified.
170         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
171         with PDR_NB_SUBSCRIPTS.
172
173 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
174
175         * graphite-interchange.c (compute_array_size): Remove use of
176         PDR_DATA_CONTAINER.
177         * graphite-poly.c (new_poly_dr): Remove argument data_container.
178         Do not initialize PDR_DATA_CONTAINER.
179         (print_pdr): Do not print PDR_DATA_CONTAINER.
180         * graphite-poly.h (struct poly_dr): Remove data_container field.
181         (PDR_DATA_CONTAINER): Removed.
182         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
183         PDR_DATA_CONTAINER.
184         (build_poly_dr): Same.
185
186 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
187             Sebastian Pop  <sebastian.pop@amd.com>
188
189         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
190         copy of the dependence polyhedron.  Free the temporary objects.
191         (graphite_carried_dependence_level_k): Free unused objects before
192         returning.
193
194         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
195         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
196         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
197         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
198         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
199
200 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
201
202         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
203         Early return without analyzing the data dependences if no
204         transform has been done.  Call restore_scattering if the transform
205         is not legal.
206         (graphite-interchange.c): Same.
207         * graphite-poly.c (print_scattering_function): Test for
208         PBB_TRANSFORMED.
209         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
210         (apply_poly_transforms): Do not gcc_assert that
211         the transform is legal.
212         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
213         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
214         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
215         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
216         * graphite-poly.h (struct poly_scattering): New.
217         (struct poly_bb): Add original, transformed, and saved fields.
218         Remove transformed_scattering, original_scattering,
219         nb_local_variables and nb_scattering_transform fields.
220         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
221         (poly_scattering_new): New.
222         (poly_scattering_free): New.
223         (poly_scattering_copy): New.
224         (store_scattering_pbb): New.
225         (store_scattering): New.
226         (restore_scattering_pbb): New.
227         (restore_scattering): New.
228         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
229         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
230
231 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
232
233         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
234         (print_scop): Same.
235
236 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
237
238         * Makefile.in (graphite.o): Depends on PREDICT_H.
239         * graphite.c: Include predict.h.
240         (graphite_finalize): Call tree_estimate_probability.
241         * predict.c (predict_loops): Do not call scev_initialize and
242         scev_finalize.
243         (tree_estimate_probability_bb): New.
244         (tree_estimate_probability): Do not initialize loops: move that
245         code to the driver.  Call tree_estimate_probability_bb.
246         (tree_estimate_probability_driver): New.
247         (pass_profile): Use tree_estimate_probability_driver.
248         * predict.h (tree_estimate_probability): Declared.
249
250 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
251
252         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
253         * graphite-dependences.c (graphite_legal_transform): Add time to
254         TV_GRAPHITE_DATA_DEPS.
255         (dependency_between_pbbs_p): Same.
256         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
257
258 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
259
260         PR rtl-optimization/41033
261         * alias.c (nonoverlapping_component_refs_p): Punt when strict
262         aliasing is disabled.
263
264 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
265
266         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
267         si_mask_operand, and_load_operand, low_bitmask_operand,
268         and_reg_operand, and_operand): New predicates.
269         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
270         * config/mips/mips.c (and_operands_ok): New function.
271         * config/mips/mips-protos.h (and_operands_ok): Declare it.
272         * config/mips/mips.md (move_type): Add ext_ins and logical.
273         (type): Handle them.
274         (and<mode>3): Use and_reg_operand as the second operand's predicate.
275         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
276         shift_shift.  Remove commutative constraint modifier.
277         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
278         shift_shift.
279         (*clear_upper32_dext): Remove define_insn_and_split.
280         (*clear_upper32): Turn this define_insn_and_split ...
281         (splitter for ANDing register with 0xffff_ffff): .. into this.
282
283 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
284
285         * combine.c (try_widen_shift_mode): Factor out code to check if an
286         integer constant is a low-order bitmask from here ...
287         * rtlanal.c (low_bitmask_len): ... to here.
288         * rtl.h (low_bitmask_len): Declare.
289
290 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
291
292         PR target/8603
293         * config/alpha/alpha.md (addsi3): Remove expander.
294         (addsi3): Rename from *addsi3_internal insn pattern.
295         (subsi3): Remove expander.
296         (subsi3): Rename from *subsi3_internal insn pattern.
297
298 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
299
300         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
301         FWRITE_UNLOCKED.
302
303 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
304             Eric Botcazou  <botcazou@adacore.com>
305             Douglas B Rupp  <rupp@gnat.com>
306
307         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
308         that records that fit in 64 bits are returned by immediate value,
309         as required by OpenVMS Calling Standard.
310         (function_value): Adjust for above modification.
311         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
312         virtual_incoming_args_rtx as base object, not next_arg.
313         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
314
315 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
316
317         * reload.c (find_reloads_subreg_address): Check the original
318         req_equiv_mem address to detect the case where an address is
319         not valid in the outer mode.
320
321 2009-08-11  Richard Guenther  <rguenther@suse.de>
322
323         PR bootstrap/40788
324         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
325
326 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
327
328         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
329         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
330
331 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
332             Douglas B Rupp  <rupp@gnat.com>
333
334         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
335         PT_STACK when frame_pointer_needed on OpenVMS.
336         (alpha_pv_save_size, alpha_using_fp): Remove.
337         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
338         with proper processing for PT_NULL.
339         (alpha_vms_initial_elimination_offset): New function. Support for
340         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
341         (alpha_sa_size): Force procedure type to PT_STACK when
342         frame_pointer_needed on OpenVMS.
343         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
344         (alpha_using_fp): Likewise.
345         (alpha_vms_can_eliminate): Add prototype.
346         (alpha_vms_initial_elimination_offset): Likewise.
347         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
348         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
349
350 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
351             Douglas B Rupp  <rupp@gnat.com>
352
353         * config/alpha/alpha.c (common_object_handler): New function.
354         (vms_attribute_table): Declare a single attribute "common_object".
355         (vms_output_aligned_decl_common): New global function.
356         (SECTION_VMS_OVERLAY): Delete.
357         (SECTION_VMS_GLOBAL): Likewise.
358         (SECTION_VMS_INITIALIZE): Likewise.
359         (vms_asm_named_section): Remove support for above flags.
360         (vms_section_type_flags): Delete.
361         (TARGET_SECTION_TYPE_FLAGS): Likewise.
362         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
363         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
364         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
365
366 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
367
368         PR target/41015
369         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
370         (sub_ddmmss): Likewise.
371
372 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
373
374         PR bootstrap/41018
375         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
376         year.
377
378 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
379
380         PR target/37053
381         * reload1.c (reload_as_needed): Use cancel_changes to completely
382         undo a failed replacement attempt.
383
384 2009-08-10  Richard Guenther  <rguenther@suse.de>
385
386         PR middle-end/41006
387         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
388         (useless_type_conversion_p): ... here.  Require pointer targets
389         to be compatible.
390
391 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
392
393         PR c++/40866
394         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
395         loose the original type of the statement list.
396
397 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
398
399         * config/alpha/alpha.c: Include libfuncs.h
400         (avms_asm_output_extern): New function.
401         (alpha_init_libfuncs): Init some decc libfuncs.
402         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
403         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
404         (DO_CRTL_NAMES): Define.
405         (LIB_SPEC): Remove.
406         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
407         (LONG_TYPE_SIZE): Define.
408         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
409         (SUBTARGET_SWITCHES): Define malloc64 switch.
410         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
411         (MASK_RETURN_ADDR): Define.
412         doc/invoke.texi (mmalloc64): Document switch.
413
414 2009-08-09  Olivier Hainque  <hainque@adacore.com>
415             Douglas B Rupp  <rupp@gnat.com>
416
417         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
418         uses_condition_handler.
419         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
420         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
421         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
422         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
423         (code_for_builtin): New insn codes for the new alpha_builtins.
424         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
425         (alpha_sa_size): Account for uses_condition_handler.
426         (alpha_expand_prologue): Likewise.
427         (alpha_start_function): Likewise.
428         (alpha_expand_epilogue): Likewise.
429         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
430         establish/revert expanders.
431         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
432         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
433         New expander, resorting to the alpha.c associated function.
434         (builtin_revert_vms_condition_handler): Likewise.
435         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
436         __gcc_shell_handler, the static VMS condition handler used as
437         an indirection wrapper to the current dynamically established
438         handler.
439         * config/alpha/vms-unwind.h: Complete rewrite.
440         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
441         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
442
443 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
444             Douglas B Rupp  <rupp@gnat.com>
445
446         * config/alpha/alpha.c (alpha_links): Add 'target' field.
447         (alpha_need_linkage): Handle aliases.  Return function symbol.
448         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
449         Use ultimate alias target for the linkage name.
450         * config/alpha/alpha.md (movmemdi): Use the symbol returned
451         by alpha_need_linkage for the function symbol.
452         (setmemdi): Likewise.
453
454 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
455
456         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
457         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
458         (ASM_WEAKEN_LABEL): Define.
459         (CRT_CALL_STATIC_FUNCTION): Define.
460         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
461         (ENDFILE_SPEC): Define.
462         (INIT_SECTION_ASM_OP): Define.
463         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
464         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
465         crtend.o crtendS.o.
466         (MULTILIB_OSDIRNAMES): Define.
467         (shlib_version): Define.
468         (SHLIB_EXT): Define.
469         (SHLIB_OBJS): Define.
470         (SHLIB_NAME): Define.
471         (SHLIB_MULTILIB): Define.
472         (SHLIB_INSTALL): Define.
473         (SHLIB_SYMVEC): Define.
474         (SHLIB_SYMVECX2): Define.
475         (SHLIB_LINK): Define.
476
477 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
478
479         * config/alpha/alpha.c (alpha_initialize_trampoline):
480         Initialize VMS trampoline IAW ABI for bounded procedure calls.
481         (alpha_start_function): Emit transfer address on nested functions
482         for VMS trampoline call.
483         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
484         since no longer used.
485         * config/alpha/vms-tramp.asm: Remove.
486         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
487         since now only data initialized at runtime.
488
489 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
490
491         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
492         (LINK_GCC_C_SEQUENCE_SPEC): Define.
493         (MD_EXEC_PREFIX): Remove, no longer used.
494         (MD_STARTFILE_PREFIX): Likewise.
495         (INCLUDE_DEFAULTS): Likewise.
496         * config/alpha/t-vms:
497         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
498
499 2009-08-09  Richard Guenther  <rguenther@suse.de>
500
501         PR tree-optimization/41016
502         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
503         (operand_precision): Remove.
504         (integral_operand_p): Likewise.
505         (recognize_single_bit_test): Adjust.
506
507 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
508
509         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
510         operation overflows.  Likewise non-cast unary arithmetic.
511         If one arm of a conditional expression is always taken,
512         inhibit evaluation warnings for the other arm.  Likewise inhibit
513         evaluation warnings for the second && or || operand if the first
514         operand is enough to determine the result.
515         * c-typeck.c (build_conditional_expr): Apply the same inhibition
516         rules here.
517         (build_binary_op): Prevent duplicate evaluation warnings.
518
519 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
520
521         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
522         and destination have different modes, Use promote_mode to
523         determine the signedness of the conversion.  Assert that the
524         promoted source mode matches the destination mode.  Don't pass
525         the destination and destination mode to expand_expr if the source
526         mode is different.  Simplify conversion logic.
527
528 2009-08-09  Ira Rosen  <irar@il.ibm.com>
529
530         PR tree-optimization/41008
531         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
532         from condition only in case it's a comparison. Adjust checks.
533
534 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
535
536         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
537         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
538         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
539         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
540         (dump_cand): Handle them.
541         (struct iv_cand): New members COST_STEP and AINC_USE.
542         (stmt_after_increment): Likewise.
543         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
544         callers changed.  Use gimple_uid comparison instead of scanning.
545         (add_candidate_1): When looking for identical candidates, take
546         AINC_USE into account.  Set it for new candidates.
547         (force_expr_to_var_cost): Cast target_spill_cost to int.
548         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
549         All callers changed.  Check for availability of autoinc addressing
550         modes, both in general for a given mode, and in the specific use case.
551         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
552         changed.
553         (get_computation_cost): Likewise.
554         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
555         add_autoinc_candidates): New static functions.
556         (add_candidate): Call add_autoinc_candidates for candidates based on
557         a USE_ADDRESS use.
558         (find_iv_candidates): Call set_autoinc_for_original_candidates.
559         (determine_use_iv_cost_address): If we have an autoinc candidate at
560         the matching use, verify autoinc is possible and subtract the cost
561         of the candidate's step from the cost.
562         (determine_iv_cost): Record the cost of the increment in the COST_STEP
563         member of the candidate.
564         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
565         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
566
567 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
568
569         * config.build (ia64-hp-*vms*): New target.
570         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
571         with ia64-hp-*vms*.
572         * config.gcc (ia64-hp-*vms*): New target.
573         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
574         with ia64-hp-*vms*.
575         * config.host (ia64-hp-*vms*): New target.
576         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
577         with ia64-hp-*vms*.
578
579 2009-08-08  Richard Guenther  <rguenther@suse.de>
580
581         PR tree-optimization/40991
582         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
583
584 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
585
586         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
587         mode check.  Do truncations in an integer mode.
588         (force_to_mode): Handle subregs for all mode types.  Only do
589         arithmetic simplifications on integer modes.
590
591 2009-08-07  Richard Guenther  <rguenther@suse.de>
592
593         PR tree-optimization/40999
594         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
595         (maybe_fold_reference): Lookup constant initializers.
596         (fold_gimple_assign): Likewise.
597
598 2009-08-07  Richard Guenther  <rguenther@suse.de>
599
600         * tree-ssa.c (useless_type_conversion_p_1): Only for types
601         that require structural equality defer to the langhook.
602
603 2009-08-07  Martin Jambor  <mjambor@suse.cz>
604
605         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
606         comments.
607         (struct ipa_pass_through_data): New type.
608         (struct ipa_ancestor_jf_data): New type.
609         (union jump_func_value): Removed field formal_id, added fields
610         pass_through and ancestor.
611         (struct ipa_param_call_note): Changed type of formal_id to int from
612         unsigned.
613         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
614         operations jump functions and ancestor jump functions.
615         (compute_complex_pass_through): New function.
616         (compute_scalar_jump_functions): Call compute_complex_pass_through,
617         reflect changes in the jump function strucutre.
618         (update_jump_functions_after_inlining): Ignore complex pass-through
619         and ancestor jump functions.
620         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
621         polynomial pass-through with operation jump functions.
622
623 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
624
625         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
626         fde->dw_fde_begin as begin label instead of hot/cold label.
627         Use LLSDAC label instead of LLSDA for second section lsda.
628         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
629         label instead of LLSDA if it is true.
630         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
631         callers.
632         * except.c (add_call_site, dw2_size_of_call_site_table): Add
633         SECTION argument.  Use it as index into crtl->eh.call_site_record
634         array.
635         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
636         use it to determine how to print table entries instead of using
637         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
638         label instead of normal begin label as base.
639         (sjlj_assign_call_site_values): Adjust add_call_site caller.
640         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
641         ensure no EH range spans between sections and that landing pads
642         are always in the corresponding section.
643         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
644         for crtl->eh.call_site_record being an array rather than scalar.
645         (output_one_function_exception_table): New function, copied
646         from output_function_exception_table.  Adjust
647         dw2_size_of_call_site_table, dw2_output_call_site_table
648         callers.  For SECOND section use *C suffixed labels.
649         (output_function_exception_table): Call
650         output_one_function_exception_table and, when doing hot/cold
651         partitioning, also another time for the second section.
652         * opts.c: Include except.h.
653         (decode_options): Allow -freorder-blocks-and-partition with
654         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
655         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
656         * function.h (struct rtl_eh): Change call_site_record from
657         scalar into array of 2 elements.
658
659 2009-08-07  Martin Jambor  <mjambor@suse.cz>
660
661         * ipa-prop.c (count_formal_params_1): New function.
662         (ipa_get_vector_of_formal_parms): New function.
663         (get_vector_of_formal_parm_types): New function.
664         (ipa_modify_formal_parameters): New function.
665         (ipa_modify_call_arguments): New function.
666         (index_in_adjustments_multiple_times_p): New function.
667         (ipa_combine_adjustments): New function.
668         (ipa_dump_param_adjustments): New function.
669         * ipa-prop.h (struct ipa_parm_adjustment): New type.
670         (ipa_get_vector_of_formal_parms): Declare.
671         (ipa_modify_formal_parameters): Declare.
672         (ipa_modify_call_arguments): Declare.
673         (ipa_combine_adjustments): Declare.
674         (ipa_dump_param_adjustments): Declare.
675         (build_ref_for_offset): Declare.
676         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
677         * tree-sra.c: Include ipa-prop.c.
678         (build_ref_for_offset): Make public.
679
680 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
681
682         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
683
684 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
685
686         * gcc/doc/extend.texi (__builtin_extract_return_address)
687         (__builtin_frob_return_address): Document.
688
689 2009-08-06  Paul Brook  <paul@codesourcery.com>
690
691         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
692         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
693         implementation on ARMv6-M.
694
695 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
696
697         * doc/extend.texi (pcs): Document new attribute for ARM.
698
699 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
700
701         * arm.c (pcs_attribute_args): Comment out unsupported attribute
702         variants.
703
704 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
705
706         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
707         warning ().
708
709 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
710
711         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
712
713 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
714
715         Merge ARM/hard_vfp_branch to trunk.
716
717         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
718
719         * arm.c (libcall_eq): New function.
720         (libcall_hash): New function.
721         (add_libcall): New function.
722         (arm_libcall_uses_aapcs_base): New function.
723         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
724         libcalls using the base PCS.
725         (arm_init_cumulative_args): Likewise.
726
727         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
728
729         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
730         Use base ABI for conversion libfuncs between HFmode and SFmode.
731
732         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
733
734         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
735         V4SImode as representatives of all 64-bit and 128-bit vector
736         types.  Allow vector types without vector modes.
737         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
738         without vector modes like BLKmode.
739         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
740         BLKmode.  Avoid unsupported vector modes or TImode moves for
741         non-TARGET_NEON.
742         (aapcs_vfp_allocate_return_reg): Likewise.
743         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
744         V8QImode if TARGET_NEON || TARGET_IWMMXT.
745
746         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
747
748         * config/arm/arm.c (arm_handle_pcs_attribute): New.
749         (arm_get_pcs_model): Pass attribute arguments to
750         arm_pcs_from_attribute.
751         (arm_init_cumulative_args): Use base AAPCS for conversions from
752         floating-point types to DImode.
753         (arm_attribute_table): Add pcs attribute.
754         (arm_handle_pcs_attribute): New.
755         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
756         conversions from floating-point types to DImode, also declare them
757         to use base AAPCS and declare functions they call to use base
758         AAPCS and their RTABI names.
759
760         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
761
762         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
763         -mfloat-abi=hard not being supported for VFP.
764
765         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
766
767         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
768         SYMBOL_REF to hard_libcall_value.
769
770         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
771             Richard Earnshaw  <rearnsha@arm.com>
772
773         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
774         has been put on the stack, all remaining co-processory arguments for
775         that co-processor also go on the stack.
776
777         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
778
779         * config/arm/arm.c (arm_return_in_memory): Handle returning
780         vectors of suitable size in registers also for AAPCS case.
781
782         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
783
784         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
785
786         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
787
788         ARM Hard-VFP calling convention
789         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
790         * target.h (gcc_target): Add libcall_value to table of call hooks.
791         * targhooks.h (default_libcall_value): Default implementation.
792         * targhooks.c (default_libcall_value): Likewise.
793         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
794         * optabs.c (expand_unop): Use it.
795         * expr.h (hard_libcall_value): Pass the function RTX through.
796         * calls.c (emit_library_call_value_1): Update call to
797         hard_libcall_value.
798         * explow.c (hard_libcall_value): Use new target hook.
799         * testsuite/lib/target-supports.exp
800         (check_effective_target_arm_hard_vfp_ok): New hook.
801         (check_effective_target_arm_neon_ok): Improve test for neon
802         availability.
803         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
804         * config/arm/arm.c: Include cgraph.h
805         (TARGET_FUNCTION_VALUE): Override default hook.
806         (arm_pcs_default): New variable.
807         (arm_override_options): Don't fault hard calling convention with VFP.
808         Add support for AAPCS variants.
809         (arm_function_value): Make static.  Handle AAPCS variants.
810         (arm_libcall_value): New function.
811         (arm_apply_result_size): Handle VFP registers in results.
812         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
813         conventions.
814         (pcs_attribute_args): New variable.
815         (arm_pcs_from_attribute): New function.
816         (arm_get_pcs_model): New function.
817         (aapcs_vfp_cum_init): New function.
818         (aapcs_vfp_sub_candidate): New function.
819         (aapcs_vfp_is_return_candidate): New function.
820         (aapcs_vfp_is_call_candidate): New function.
821         (aapcs_vfp_allocate): New function.
822         (aapcs_vfp_allocate_return_reg): New function.
823         (aapcs_vfp_advance): New function.
824         (aapcs_cp_arg_layout): New variable.
825         (aapcs_select_call_coproc): New function.
826         (aapcs_select_return_coproc): New function.
827         (aapcs_allocate_return_reg): New function.
828         (aapcs_libcall_value): New function.
829         (aapcs_layout_arg): New function.
830         (arm_init_cumulative_args): Initialize AAPCS args data.
831         (arm_function_arg): Handle AAPCS variants using new interface.
832         (arm_arg_parital_bytes): Likewise.
833         (arm_function_arg_advance): New function.
834         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
835         calling conventions.
836         (arm_setup_incoming_varargs): Handle new AAPCS args data.
837         * arm.h (NUM_VFP_ARG_REGS): Define.
838         (LIBCALL_VALUE): Update.
839         (FUNCTION_VALUE): Delete.
840         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
841         (arm_pcs): New enum.
842         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
843         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
844         (FUNCTION_ARG_REGNO_P): Add VFP regs.
845         * arm-protos.h (arm_function_arg_advance): Add.
846         (aapcs_libcall_value): Add.
847         (arm_function_value): Delete.
848
849 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
850             H.J. Lu  <hongjiu.lu@intel.com>
851
852         PR target/40957
853         * config/i386/i386.c (standard_sse_mode_p): Remove.
854         (standard_sse_constant_p): Return 2 for integer mode
855         vector_all_ones_operand when SSE2 is enabled.
856         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
857         (ix86_expand_vector_move): Do not check for negative values from
858         standard_sse_constant_p.
859
860 2009-08-06  Richard Guenther  <rguenther@suse.de>
861
862         * tree-ssa.c (useless_type_conversion_p_1): Make function and
863         array type comparisons frontend independent.
864         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
865         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
866         out array reference lower bound and element size operands.
867         (ao_ref_init_from_vn_reference): Properly compute the offset
868         for ARRAY_RANGE_REF.
869         (vn_reference_fold_indirect): Fill out array reference lower
870         bound and element size operands.
871         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
872         a non gimple valued reference operand which can happen for
873         array reference lower bound or element size.
874         (create_component_ref_by_pieces_1): Properly generate the
875         element size operand for array references.
876
877 2009-08-06  Richard Guenther  <rguenther@suse.de>
878
879         PR tree-optimization/40964
880         * tree.c (iterative_hash_host_wide_int): Export.
881         * tree.h (iterative_hash_host_wide_int): Declare.
882         * tree-ssa-structalias.c (heapvar_map): New struct.
883         (heapvar_map_eq): New function.
884         (heapvar_map_hash): Likewise.
885         (heapvar_lookup): Adjust.
886         (heapvar_insert): Likewise.
887         (make_constraint_from_heapvar): Allow multiple heap variables
888         per decl at different offsets.
889         (init_alias_heapvars): Adjust.
890
891 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
892
893         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
894         * mips_output_sync_loop (mips_output_sync_loop): Only emit
895         trailing sync if TARGET_SYNC_AFTER_SC.
896
897 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
898
899         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
900         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
901         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
902         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
903         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
904         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
905         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
906         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
907         test_and_set_12): Rewrite calls to mips_output_sync_loop.
908         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
909         the prototype declaration match the definition.
910         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
911         instructions explicitly.  Add barrier_before and operands
912         parameters.
913         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
914         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
915         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
916         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
917         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
918         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
919
920 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
921
922         * tree-ssa-alias.c: Fix intervals to use [) syntax.
923
924 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
925             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
926
927         PR target/40906
928         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
929         source operand.
930
931 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
932
933         PR rtl-optimization/40924
934         * dse.c (canon_address): Before calling cselib_expand_value_rtx
935         make sure canon_rtx (mem_address) isn't simpler than
936         canon_rtx (expanded_mem_address).
937
938 2009-08-05  Li Feng  <nemokingdom@gmail.com>
939
940         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
941         for each poly_bb_p.
942         (build_scop_drs): Build alias set for each SCoP.
943
944 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
945
946         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
947         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
948         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
949         (MIPS_ARCH_FLOAT_SPEC): Likewise.
950         (BASE_DRIVER_SELF_SPECS): Likewise.
951
952 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
953
954         * tree-ssa-alias.c: Fix some comment typos.
955
956 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
957
958         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
959         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
960
961 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
962
963         PR c/39902
964         * simplify-rtx.c (simplify_binary_operation_1): Disable
965         simplifications for decimal float operations.
966
967 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
968
969         PR middle-end/40943
970         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
971         operand of INDIRECT_REF.
972
973 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
974
975         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
976         constants referencing TLS symbols.
977
978 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
979
980         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
981         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
982
983 2009-08-03  Richard Guenther  <rguenther@suse.de>
984
985         * tree.c (make_vector_type): Build a main variant first,
986         get the canonical one and then build the variant.
987         * tree-ssa.c (useless_type_conversion_p_1): Handle
988         fixed-point types.
989         (useless_type_conversion_p): Conversions to pointers to
990         incomplete record types are useless.
991
992 2009-08-03  Richard Guenther  <rguenther@suse.de>
993
994         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
995         file will be created.
996         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
997         * toplev.c (compile_file): Adjust comment.
998
999 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1000
1001         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
1002         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
1003         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1004         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1005         (sh_promote_function_mode): Fix typo.
1006
1007 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1008
1009         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
1010
1011 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1012
1013         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
1014         declaration arguments.
1015
1016 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
1017
1018         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
1019         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
1020         (ix86_split_ashl): Ditto.
1021         (ix86_expand_vector_init_one_nonzero): Ditto.
1022         (ix86_expand_vector_set): Ditto.
1023         (ix86_expand_reduc_v4sf): Ditto.
1024
1025 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
1026
1027         * explow.c (promote_function_mode): Remove assert.
1028         * config/sh/sh.c (sh_promote_function_mode): Declare.
1029
1030 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1031
1032         * config/pa/pa.c (pa_promote_function_mode): Declare.
1033         Change to static.  Fix promote_mode call.
1034
1035         * gthr-dce.h (CONST_CAST2): Define if not defined.
1036         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
1037
1038         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
1039
1040 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
1041
1042         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1043         now write-only variable unsignedp.
1044         (expand_expr_real_1): Use promote_decl_mode.
1045         * expr.h (promote_function_mode, promote_decl_mode): New.
1046         (promote_mode): Remove last argument.
1047         * function.c (assign_temp): Drop last argument of promote_mode.
1048         (assign_parm_find_data_types): Use promote_function_mode.
1049         (assign_parm_setup_reg): Likewise.
1050         (expand_function_end): Use promote_function_mode.
1051         * calls.c (initialize_argument_information): Use promote_function_mode.
1052         (precompute_arguments): Use promote_mode instead of checking if
1053         only PROMOTE_FUNCTION_MODE is defined.
1054         (expand_call): When making sibcall decisions, use promote_function_mode.
1055         Below, remove an if for targetm.calls.promote_function_return and
1056         and use promote_function_mode.
1057         (emit_library_call_value_1): Use promote_function_mode, fix bug
1058         where promote_mode was passed FOR_CALL == 0 for a return value in an
1059         assertion.
1060         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1061         * explow.c (promote_function_mode, promote_decl_mode): New.
1062         (promote_mode): Keep only the FOR_CALL == 0 case.
1063         * combine.c (setup_incoming_promotion): Remove test of
1064         promote_function_args.  Use promote_function_mode.
1065         * stmt.c (expand_value_return): Use promote_decl_mode.
1066         (expand_decl): Use promote_decl_mode.
1067
1068         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1069         now write-only variable unsignedp.
1070         (expand_expr_real_1): Use promote_decl_mode.
1071         * expr.h (promote_function_mode, promote_decl_mode): New.
1072         (promote_mode): Remove last argument.
1073         * function.c (assign_temp): Drop last argument of promote_mode.
1074         (assign_parm_find_data_types): Use promote_function_mode.
1075         (assign_parm_setup_reg): Likewise.
1076         (expand_function_end): Use promote_function_mode.
1077         * calls.c (initialize_argument_information): Use promote_function_mode.
1078         (precompute_arguments): Use promote_mode instead of checking if
1079         only PROMOTE_FUNCTION_MODE is defined.
1080         (expand_call): When making sibcall decisions, use promote_function_mode.
1081         Below, remove an if for targetm.calls.promote_function_return and
1082         and use promote_function_mode.
1083         (emit_library_call_value_1): Use promote_function_mode, fix bug
1084         where promote_mode was passed FOR_CALL == 0 for a return value in an
1085         assertion.
1086         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1087         * explow.c (promote_function_mode, promote_decl_mode): New.
1088         (promote_mode): Keep only the FOR_CALL == 0 case.
1089         * combine.c (setup_incoming_promotion): Remove test of
1090         promote_function_args.  Use promote_function_mode.
1091         * stmt.c (expand_value_return): Use promote_decl_mode.
1092         (expand_decl): Use promote_decl_mode.
1093
1094         * explow.c (promote_function_mode): Just call the target hook.
1095         * targhooks.c (default_promote_function_mode,
1096         default_promote_function_mode_always_promote): New.
1097         * targhooks.h (default_promote_function_mode,
1098         default_promote_function_mode_always_promote): Declare.
1099         * target.h (promote_function_args, promote_function_return): Remove.
1100         (promote_function_mode): New.
1101         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
1102         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1103         (TARGET_PROMOTE_FUNCTION_MODE): New.
1104         (TARGET_CALLS): Adjust.
1105         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
1106         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
1107
1108         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
1109         * config/s390/s390.c (s390_promote_function_mode): ... here,
1110         with pointer handling.
1111         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1112         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1113
1114         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
1115         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
1116         with pointer handling.
1117         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1118         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1119
1120         * config/sh/sh-protos.h (sh_promote_function_mode): New.
1121         * config/sh/sh.c (sh_promote_function_mode): New.
1122         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1123         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1124
1125         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
1126         * config/cris/cris.c (cris_promote_function_mode): ... here.
1127         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1128         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1129
1130         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
1131         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
1132         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1133         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1134
1135         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
1136         * config/arm/arm.c (arm_promote_function_mode): ... here, without
1137         complex type handling.
1138         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1139         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1140
1141         * config/pa/pa.c (pa_promote_function_mode): New.
1142         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1143         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1144
1145         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
1146         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1147         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
1148         * config/xtensa/xtensa.c: Likewise.
1149         * config/stormy16/stormy16.c: Likewise.
1150         * config/iq2000/iq2000.c: Likewise.
1151         * config/rs6000/rs6000.c: Likewise.
1152         * config/picochip/picochip.c: Likewise.
1153         * config/arc/arc.c: Likewise.
1154         * config/mcore/mcore.c: Likewise.
1155         * config/score/score.c: Likewise.
1156         * config/mips/mips.c: Likewise.
1157         * config/bfin/bfin.c: Likewise.
1158         * config/ia64/ia64.c: Likewise (disabled though).
1159
1160         * config/frv/frv.h: Remove pointless remark.
1161
1162         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
1163         TARGET_PROMOTE_FUNCTION_ARGS,
1164         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
1165         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
1166
1167 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
1170         -floop-parallelize-all.
1171         * toplev.c (process_options): Rename flag_graphite_force_parallel to
1172         flag_loop_parallelize_all.
1173         * tree-ssa-loop.c (gate_graphite_transforms): Same.
1174         * graphite.c (graphite_transform_loops): Same.
1175         * common.opt: Same.
1176         * graphite-poly.c (apply_poly_transforms): Same.
1177
1178 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
1179
1180         PR tree-optimization/40914
1181         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
1182         if set, then check the delta field of the PMF record.
1183         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
1184         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
1185         call is stored in the delta.
1186
1187 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
1188
1189         * config/mips/mips.md (*clear_upper32_dext): New pattern.
1190
1191 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
1192
1193         * config/i386/bsd.h (ASM_BYTE): New define.
1194         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
1195         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
1196         .byte.  Use fputs or putc instead of fprintf where appropriate.
1197         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
1198         fputs or putc instead of fprintf where appropriate.
1199         * config/i386/i386elf.h: Ditto.
1200         * config/i386/sysv4.h: Ditto.
1201
1202         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
1203         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
1204         (*tls_global_dynamic_64): Ditto.
1205
1206 2009-07-31  Christian Bruel  <christian.bruel@st.com>
1207
1208         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
1209
1210 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1211
1212         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
1213         Remove dead code for MINUS.
1214
1215 2009-07-31  Anthony Green  <green@moxielogic.com>
1216
1217         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
1218         $r12 in prologue.
1219         (moxie_expand_epilogue): Ditto for epilogue.
1220         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
1221         incoming arguments.
1222         (moxie_function_arg): Ditto.
1223         (moxie_pass_by_reference): Ditto.
1224         (moxie_arg_partial_bytes): Ditto.
1225         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
1226         (FUNCTION_ARG_ADVANCE) Ditto.
1227         (REG_PARM_STACK_SPACE) Ditto.
1228         (FUNCTION_ARG_REGNO_P) Dito.
1229
1230         * config.gcc: Add moxie linux config support.
1231         * gcc/config/moxie/uclinux.h: New file.
1232
1233 2009-07-31  DJ Delorie  <dj@redhat.com>
1234
1235         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
1236         (UNSPECV_SP_SWITCH_E): New.
1237         (sp_switch_1): Change to an unspec.
1238         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
1239         replace $r15.
1240         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
1241         reference the new stack's address
1242
1243 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
1246         graphite-clast-to-gimple.o, graphite-dependences.o,
1247         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1248         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
1249         (graphite-blocking.o,
1250         graphite-clast-to-gimple.o, graphite-dependences.o,
1251         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1252         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
1253         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
1254         * cfgloop.h (struct loop): Add can_be_parallel field.
1255         * common.opt (fgraphite-identity): Moved up.
1256         (fgraphite-force-parallel): New flag.
1257         * graphite.c: Rewrite.
1258         * graphite.h: Rewrite.
1259         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
1260         after Graphite.
1261         * toplev.c (graphite_out_file): New file descriptor.
1262         (graphite_in_file): New.
1263         (process_options): flag_graphite_force_parallel cannot be used without
1264         Graphite.
1265         * tree-ssa-loop.c: Include toplev.h.
1266         (gate_graphite_transforms): Enable flag_graphite for
1267         flag_graphite_force_parallel.
1268
1269 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * ChangeLog.graphite: New.
1272         * graphite-blocking.c: New.
1273         * graphite-clast-to-gimple.c: New.
1274         * graphite-clast-to-gimple.h: New.
1275         * graphite-dependences.c: New.
1276         * graphite-dependences.h: New.
1277         * graphite-interchange.c: New.
1278         * graphite-poly.c: New.
1279         * graphite-poly.h: New.
1280         * graphite-ppl.c: New.
1281         * graphite-ppl.h: New.
1282         * graphite-scop-detection.c: New.
1283         * graphite-scop-detection.h: New.
1284         * graphite-sese-to-poly.c: New.
1285         * graphite-sese-to-poly.h: New.
1286         * sese.c: New.
1287         * sese.h: New.
1288
1289 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1292         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
1293
1294 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
1297         (scev_is_linear_expression): Return false if the evolution is not
1298         affine multivariate.
1299
1300 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1303         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1304
1305 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1306
1307         * tree-data-ref.c (debug_data_references): New.
1308         (debug_data_reference): New.
1309         * tree-data-ref.h (debug_data_references): Declared.
1310         (debug_data_reference): Declared.
1311
1312 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * tree-data-ref.c (stmt_simple_memref_p: Removed.
1315         * tree-data-ref.h (scop_p): Removed.
1316         (struct data_reference): Remove field scop.
1317         (DR_SCOP): Removed.
1318         (stmt_simple_memref_p): Removed.
1319
1320 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
1323         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
1324         basic block empty.
1325
1326 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
1329
1330 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1331
1332         * doc/invoke.texi (-fgraphite-identity): Documented.
1333
1334 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * tree-scalar-evolution.c: Fix comment.
1337         (instantiate_scev_1): Return unknow from scev instantiation if the
1338         result is not above instantiate_below.
1339
1340 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1343         static anymore.  Instantiate the symbols that may have been introduced
1344         by chrec_apply.
1345         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1346         Declared.
1347
1348 2009-07-30  DJ Delorie  <dj@redhat.com>
1349
1350         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
1351         .vliw directive to VLIW sections.
1352
1353 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1354
1355         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
1356         New variables.
1357         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
1358         (AUTOHEADER): New variable.
1359         ($(srcdir)/cstamp-h.in): Use it.
1360
1361 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
1362             Pat Haugen  <pthaugen@us.ibm.com>
1363             Revital Eres <ERES@il.ibm.com>
1364
1365         * config/rs6000/vector.md (VEC_F): Add VSX support.
1366         (VEC_A): Ditto.
1367         (VEC_N): Ditto.
1368         (mov<mode>): Ditto.
1369         (vector_load_<mode>): Ditto.
1370         (vector_store_<mode>): Ditto.
1371         (vector GPR move split): Ditto.
1372         (vec_reload_and_plus_<mptrsize>): Ditto.
1373         (vec_reload_and_reg_<mptrsize>): Ditto.
1374         (add<mode>3): Ditto.
1375         (sub<mode>3): Ditto.
1376         (mul<mode>3): Ditto.
1377         (neg<mode>2): Ditto.
1378         (abs<mode>2): Ditto.
1379         (smin<mode>3): Ditto.
1380         (smax<mode>3): Ditto.
1381         (vector_eq<mode>): Ditto.
1382         (vector_gt<mode>): Ditto.
1383         (vector_ge<mode>): Ditto.
1384         (vector_gtu<mode>): Ditto.
1385         (vector_select_<mode>_uns): Ditto.
1386         (vector_eq_<mode>_p): Ditto.
1387         (vector_gt_<mode>_p): Ditto.
1388         (vector_ge_<mode>_p): Ditto.
1389         (vector_gtu_<mode>_p): Ditto.
1390         (cr6_test_for_zero): Ditto.
1391         (cr6_test_for_zero_reverse): Ditto.
1392         (cr6_test_for_lt): Ditto.
1393         (cr6_test_for_lt_reverse): Ditto.
1394         (xor<mode>3): Ditto.
1395         (ior<mode>3): Ditto.
1396         (and<mode>3): Ditto.
1397         (one_cmpl<mode>2): Ditto.
1398         (nor<mode>2): Ditto.
1399         (andc<mode>2): Ditto.
1400         (float<VEC_int<mode>2): Ditto.
1401         (unsigned_float<VEC_int><mode>2): Ditto.
1402         (fix_trunc<mode><VEC_int>2): Ditto.
1403         (fixuns_trunc<mode><VEC_int>2): Ditto.
1404         (vec_init<mode>):
1405         (vec_set<mode>): Ditto.
1406         (vec_extract<mode>): Ditto.
1407         (vec_interleave_highv4sf): Ditto.
1408         (vec_interleave_lowv4sf): Ditto.
1409         (vec_realign_load_<mode>): Ditto.
1410         (vec_shl_<mode>): Ditto.
1411         (vec_shr_<mode>): Ditto.
1412         (div<mode>3): New patterns for VSX.
1413         (vec_interleave_highv2df): Ditto.
1414         (vec_interleave_lowv2df): Ditto.
1415         (vec_pack_trunc_v2df): Ditto.
1416         (vec_pack_sfix_trunc_v2df): Ditto.
1417         (vec_pack_ufix_trunc_v2df): Ditto.
1418         (vec_unpacks_hi_v4sf): Ditto.
1419         (vec_unpacks_lo_v4sf): Ditto.
1420         (vec_unpacks_float_hi_v4si): Ditto.
1421         (vec_unpacks_float_lo_v4si): Ditto.
1422         (vec_unpacku_float_hi_v4si): Ditto.
1423         (vec_unpacku_float_lo_v4si): Ditto.
1424         (movmisalign<mode>): Ditto.
1425         (vector_ceil<mode>2): New patterns for vectorizing math library.
1426         (vector_floor<mode>2): Ditto.
1427         (vector_btrunc<mode>2): Ditto.
1428         (vector_copysign<mode>3): Ditto.
1429
1430         * config/rs6000/predicates.md (easy_vector_constant_msb): New
1431         predicate for setting the high bit in each word, used for copysign.
1432
1433         * config/rs6000/ppc-asm.h (f19): Whitespace.
1434         (f32-f63): Define if VSX.
1435         (v0-v31): Define if Altivec.
1436         (vs0-vs63): Define if VSX.
1437
1438         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
1439
1440         * config/rs6000/power7.md: New file, provide tuning parameters for
1441         -mcpu=power7.
1442
1443         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
1444         (rs6000_cpu_cpp_builtins): Ditto.
1445         (altivec_overloaded_builtins): Ditto.
1446         (altivec_resolve_overloaded_builtin): Ditto.
1447
1448         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
1449         debug switch to disable vectorizing simple math builtin
1450         functions.
1451
1452         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1453         Vectorize simple math builtin functions.
1454         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1455         hook to vectorize math builtins.
1456         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
1457         (rs6000_builtin_conversion): Add VSX/power7 support.
1458         (rs6000_builtin_vec_perm): Ditto.
1459         (vsplits_constant): Add support for loading up a vector constant
1460         with just the high bit set in each part.
1461         (rs6000_expand_vector_init): Add VSX/power7 support.
1462         (rs6000_expand_vector_set): Ditto.
1463         (rs6000_expand_vector_extract): Ditto.
1464         (rs6000_emit_move): Ditto.
1465         (bdesc_3arg): Ditto.
1466         (bdesc_2arg): Ditto.
1467         (bdesc_1arg): Ditto.
1468         (rs6000_expand_ternop_builtin): Ditto.
1469         (altivec_expand_builtin): Ditto.
1470         (rs6000_expand_unop_builtin): Ditto.
1471         (rs6000_init_builtins): Ditto.
1472         (altivec_init_builtins): Ditto.
1473         (builtin_function_type): Ditto.
1474         (rs6000_common_init_builtins): Ditto.
1475         (rs6000_handle_altivec_attribute); Ditto.
1476         (rs6000_mangle_type): Ditto.
1477         (rs6000_vector_mode_supported_p): Ditto.
1478         (rs6000_mode_dependent_address): Altivec addresses with AND -16
1479         are mode dependent.
1480
1481         * config/rs6000/vsx.md: New file for VSX support.
1482
1483         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
1484         identifing values with just the most significant bit set.
1485         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
1486         vectorized builtins.
1487
1488         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
1489         (UNSPEC_VRFIM): Delete.
1490         (splitter for loading up vector with most significant bit): New
1491         splitter for vectorizing copysign.
1492         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
1493         vectorizing simple math functions.
1494         (altivec_vrfip): Add support for vectorizing simple math functions.
1495         (altivec_vrfim): Ditto.
1496         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
1497
1498         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
1499         (power7.md, vsx.md): Include for power7 support.
1500         (copysigndf3): Use VSX instructions if -mvsx.
1501         (negdf2_fpr): Ditto.
1502         (absdf2_fpr): Ditto.
1503         (nabsdf2_fpr): Ditto.
1504         (adddf3_fpr): Ditto.
1505         (subdf3_fpr): Ditto.
1506         (muldf3_fpr): Ditto.
1507         (divdf3_fpr): Ditto.
1508         (fix_truncdfdi2_fpr): Ditto.
1509         (cmpdf_internal1): Ditto.
1510         (fred, fred_fpr): Convert into expander/insn to add VSX support.
1511         (btruncdf2, btruncdf2_fpr): Ditto.
1512         (ceildf2, ceildf2_fpr): Ditto.
1513         (floordf2, floordf2_fpr): Ditto.
1514         (floatdidf2, floatdidf2_fpr): Ditto.
1515         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
1516         (fmsubdf4_fpr): Ditto.
1517         (fnmadddf4_fpr_1): Ditto.
1518         (fnmadddf4_fpr_2): Ditto.
1519         (fnmsubdf4_fpr_1): Ditto.
1520         (fnmsubdf4_fpr_2): Ditto.
1521         (fixuns_truncdfdi2): Add expander for VSX support.
1522         (fix_truncdfdi2): Ditto.
1523         (fix_truncdfsi2): Ditto.
1524         (ftruncdf2): Ditto.
1525         (btruncsf2): Whitespace.
1526         (movdf_hardfloat32): Add support for VSX registers.
1527         (movdf_softfloat32): Ditto.
1528         (movdf_hardfloat64): Ditto.
1529         (movdf_hardfloat64_mfpgpr): Ditto.
1530         (movdf_softfloat64): Ditto.
1531         (movti splitters): Add check for vector registers supporting
1532         TImode in the future.
1533         (bpermd): Add power7 bpermd instruction.
1534
1535         * config/rs6000/altivec.h (vec_div): Define if VSX.
1536         (vec_mul): Ditto.
1537         (vec_msub): Ditto.
1538         (vec_nmadd): Ditto.
1539         (vec_nearbyint): Ditto.
1540         (vec_rint): Ditto.
1541         (vec_sqrt): Ditto.
1542         (all predicates): Use the generic builtin function, and not the V4SF
1543         specific function so that the predicates will work with VSX's V2DF.
1544         (vec_all_*): Ditto.
1545         (vec_any_*): Ditto.
1546
1547         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
1548         Document new VSX functions and types.
1549
1550         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
1551         switches.
1552
1553         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
1554         "wa", and "j" constraints.  Modify "v" to talk about Altivec
1555         instead of just vector.
1556
1557 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
1558
1559         PR debug/26475
1560         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
1561         location for phi arguments.
1562         (rewrite_update_phi_arguments): Find locations for reaching defs.
1563         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
1564         Add location to add_phi_arg calls.
1565         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
1566         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
1567         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
1568         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
1569         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
1570         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
1571         * tree-phinodes.c (make_phi_node): Initialize location.
1572         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
1573         (add_phi_arg): Add location parameter.
1574         (remove_phi_arg_num): Move location when moving phi argument.
1575         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
1576         location.
1577         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
1578         slpeel_update_phi_nodes_for_guard1,
1579         slpeel_update_phi_nodes_for_guard2,
1580         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
1581         vect_loop_versioning): Set locations.
1582         * tree-parloops.c (create_phi_for_local_result,
1583         transform_to_exit_first_loop, create_parallel_loop): Add locations.
1584         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
1585         * tree-vect-loop.c (get_initial_def_for_induction,
1586         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
1587         locations.
1588         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
1589         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
1590         (gimple_phi_arg_set_location): New.  Set locus.
1591         (gimple_phi_arg_has_location): New.  Check for locus.
1592         (redirect_edge_var_map_location): New.  Return locus from var_map.
1593         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
1594         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
1595         combining PHI arguments.
1596         (cond_store_replacement): Set location.
1597         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
1598         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
1599         scop_add_exit_phis_edge): Add locations.
1600         * tree-cfgcleanup.c (remove_forwarder_block,
1601         remove_forwarder_block_with_phi): Add locations.
1602         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
1603         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
1604         locations.
1605         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
1606         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
1607         flush_pending_stmts): Add source location.
1608         * lambda-code.c (perfect_nestify): Maintain location stack with argument
1609         stack to preserve locations.
1610         * tree-vect-stmts.c (vectorizable_load): Add location.
1611         * tree-inline.c (copy_phis_for_bb): Copy locus.
1612         (setup_one_parameter): Add call locus to inlined parameter stmts.
1613         (initialize_inlined_parameters): Pass in call location as parameter
1614         assignment locus.
1615         (tree_function_versioning): Pass location to setup_one_parameter.
1616         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
1617         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
1618         copy and edge lists.
1619         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
1620         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
1621         locus parameter and override the stmt default if provided.
1622         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1623         elim_graph_add_edge, elim_graph_remove_succ_edge,
1624         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
1625         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
1626         eliminate_phi):  Add locus info in elimination graph for each edge and
1627         value copy.
1628         (insert_backedge_copies): Copy locus if present.
1629         * tree-flow.h (struct _edge_var_map): Add locus field.
1630         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
1631         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
1632         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
1633         locations.
1634         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
1635
1636 2009-07-30  Martin Jambor  <mjambor@suse.cz>
1637
1638         PR tree-optimization/40570
1639         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
1640         use inlining loops.
1641
1642 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
1643
1644         * ssa-loop-manip.c: Include langhooks.h.
1645         (rewrite_phi_with_iv): New.
1646         (rewrite_all_phi_nodes_with_iv): New.
1647         (canonicalize_loop_ivs): Move here from tree-parloops.c.
1648         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
1649         * tree-parloops.c (loop_parallel_p): Move out all conditions
1650         except dependency check.
1651         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
1652         (gen_parallel_loop): Call canonicalize_loop_ivs without
1653         reduction_list argument.
1654         (build_new_reduction): New.
1655         (gather_scalar_reductions): New.
1656         (try_get_loop_niter): New.
1657         (try_create_reduction_list): New.
1658         (parallleize_loops): Change the parallel conditions check.
1659         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1660         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
1661
1662 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1663
1664         * opt-functions.awk (opt_args): Allow argument to be enclosed in
1665         curly braces.
1666         * doc/options.texi (Option properties):  Mention new quoting syntax.
1667
1668 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1669
1670         * config/alpha/alpha.c (alpha_start_function):
1671         Handle VMS_DEBUG_MAIN_POINTER
1672         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
1673         * doc/invoke.texi: Document -mdebug-main switch.
1674
1675 2009-07-29  Richard Henderson  <rth@redhat.com>
1676
1677         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
1678         (cgraph_create_edge_including_clones): Likewise.
1679         * tree-inline.c (copy_bb): Operate on the correct edges
1680         when updating the callgraph.
1681
1682 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1683
1684         * config/alpha/vms-cc.c: Deleted.
1685         * config/alpha/vms-ld.c: Deleted.
1686         * config/alpha/t-vms64: Moved to config/vms
1687         * config/alpha/vms-crt0-64.c: Moved to config/vms
1688         * config/alpha/vms-crt0.c: Moved to config/vms
1689         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
1690         * config/alpha/vms-psxcrt0.c: Moved to config/vms
1691         * config/alpha/xm-vms.h: Moved to config/vms
1692         * config/alpha/x-vms: Moved to config/vms
1693         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
1694         config/vms/t-vms.
1695         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
1696         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
1697         (version): Set.
1698         * config/vms/t-vms64: Moved here from config/alpha
1699         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
1700         (argc,argv,envp): Enforce 32bit malloc'ing.
1701         * config/vms/vms-psxcrt0-64.c: Likewise.
1702         * config/vms/vms-crt0.c: Moved here from config/alpha.
1703         * config/vms/vms-psxcrt0.c: Likewise.
1704         * config/vms/vms-crtl-64.h: New file.
1705         * config/vms/vms-crtl.h: New file.
1706         * config/vms/vms.opt: New file.
1707         * config/vms/xm-vms64.h: New file.
1708         * config/vms/xm-vms.h: Moved here from config/alpha.
1709         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
1710         Set.
1711         * config/vms/x-vms: Moved here from config/alpha.
1712         (version, VMS_EXTRA_PARTS): Moved to t-vms.
1713         (vms-ld.o, vms-cc.o): Removed.
1714         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
1715
1716 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1717
1718         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
1719         correct stack (obvious VMS fix).
1720
1721 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1722
1723         * dwarf2out.c (output_file_names): Output VMS style file name, size,
1724         date, version info if VMS_DEBUGGING_INFO defined.
1725         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
1726         size, date calculating code moved here.
1727
1728 2009-07-29  Paul Brook  <paul@codesourcery.com>
1729
1730         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
1731         do_push/do_pop.
1732
1733 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
1734
1735         PR target/40577
1736         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
1737         to DImode when generating insq_le insn.
1738
1739 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
1740
1741         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
1742         New macro set for VMS_DEBUGGGING_INFO.
1743         (AT_string_form): Use it.
1744
1745 2009-07-28  DJ Delorie  <dj@redhat.com>
1746
1747         * config/mep/mep.c (vtext_section): New.
1748         (vftext_section): New.
1749         (ftext_section): New.
1750         (mep_select_section): Add support for functions.
1751         (mep_unique_section): Likewise.
1752         (mep_asm_init_sections): Likewise.
1753         (mep_encode_section_info): Remove it from here.
1754
1755         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
1756
1757 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
1758
1759         * tree.h (TREE_DEPRECATED): Document it is used for types too.
1760         (TYPE_VECTOR_OPAQUE): Use default_def_flag
1761
1762 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
1763
1764         * dwarf2out.c (output_file_names): Test new macro
1765         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
1766         (add_comp_dir_attribute): Likewise.
1767
1768 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
1769
1770         * config/i386/mingw-w64.h (LINK_SPEC): Add
1771         separating space between commands.
1772
1773 2009-07-28  Jan Hubicka  <jh@suse.cz>
1774
1775         PR tree-optimization/40759
1776         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
1777         for renaming.
1778
1779 2009-07-27  DJ Delorie  <dj@redhat.com>
1780
1781         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
1782         types are dword-aligned.
1783         (mep_expand_va_start): Likewise.
1784
1785 2009-07-27  Olivier Hainque  <hainque@adacore.com>
1786             Douglas B Rupp  <rupp@gnat.com>
1787
1788         * convert.c (convert_to_pointer): Don't assume the target
1789         pointer type is POINTER_SIZE long. Fetch its precision instead.
1790
1791 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
1792
1793         * system.h (fopen): Undefine if macro.
1794
1795 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
1796
1797         * dwarf2out.c (output_cfi_p): Removed.
1798         (output_cfis): New function.
1799         (output_fde): New function, split from output_call_frame_info.
1800         (output_call_frame_info): Use it.
1801         (dwarf2out_switch_text_section): Use output_cfis.
1802
1803 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
1804
1805         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
1806         TARGET_BI_ARCH is specified without enabling SJLJ.
1807         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
1808         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
1809
1810 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
1811
1812         * arm.md (negdi2): Use DImode if forcing a value into a register.
1813
1814 2009-07-26  Ira Rosen  <irar@il.ibm.com>
1815
1816         PR tree-optimization/40801
1817         * tree-vect-stmts.c (vectorizable_call): Get previous copy
1818         of vector operand from the previous copy of vector statement.
1819         Pass the correct definition type value to
1820         vect_get_vec_def_for_stmt_copy().
1821
1822 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1823
1824         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
1825         const char ** conversion.
1826
1827 2009-07-25 David Daney <ddaney@caviumnetworks.com>
1828
1829         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
1830         fancy_abort() if !ENABLE_ASSERT_CHECKING.
1831         (gcc_unreachable): Invoke __builtin_unreachable() if
1832         !ENABLE_ASSERT_CHECKING.
1833
1834 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
1835
1836         PR rtl-optimization/40445
1837         * emit-rtl.c (next_nonnote_insn_bb): New function.
1838         * rtl.h (next_nonnote_insn_bb): Declare new function.
1839         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
1840         with no successors that is the successor of the ENTRY_BLOCK.
1841         Continue from the top after removing an empty fallthrough block.
1842         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
1843         of next_nonnote_insn.
1844
1845 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
1846
1847         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
1848
1849 2009-07-25  Martin Jambor  <mjambor@suse.cz>
1850
1851         * c-common.c (c_common_attribute_table): New element for noclone.
1852         (handle_noclone_attribute): New function. Forward-declare.
1853         * tree-inline.c (tree_versionable_function_p): Check for noclone
1854         attribute.
1855         * doc/extend.texi (Labels as Values): Document need for noclone.
1856         (Function Attributes): Document noclone attribute.
1857
1858 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
1859
1860         PR rtl-optimization/34999
1861         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
1862         and dw_fde_switched_cold_to_hot fields.
1863         (output_cfi_p): New function.
1864         (output_call_frame_info): If fde->dw_fde_switched_sections,
1865         output 2 FDEs instead of one with corrupted header.
1866         (dwarf2out_do_cfi_startproc): New function.
1867         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
1868         and fde->dw_fde_switched_cold_to_hot.
1869         (dwarf2out_switch_text_section): Compute
1870         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
1871         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
1872         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
1873         Otherwise, compute fde->dw_fde_switch_cfi.
1874
1875 2009-07-24  Cary Coutant  <ccoutant@google.com>
1876
1877         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
1878
1879 2009-07-24  Cary Coutant  <ccoutant@google.com>
1880
1881         * cfghooks.c (split_block): Copy discriminator to new block.
1882         * tree-cfg.c (assign_discriminator): Check location of last
1883         instruction in block as well as first.
1884
1885 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
1886
1887         * config/i386/linux.c: Use fputs or putc instead of fprintf
1888         where appropriate.
1889         * config/i386/gas.h: Ditto.
1890         * config/i386/x86-64.h: Ditto.
1891         * config/i386/att.h: Ditto.
1892
1893 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1894
1895         * expmed.c (emit_store_flag): Use a recursive call to optimize the
1896         xor case.
1897
1898 2009-07-24  Martin Jambor  <mjambor@suse.cz>
1899
1900         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
1901         (ipa_push_func_to_list_1): Declare.
1902         (ipa_push_func_to_list): New function.
1903
1904         * ipa-prop.c (ipa_push_func_to_list_1): New function.
1905         (ipa_init_func_list): Call ipa_push_func_to_list_1.
1906         (ipa_push_func_to_list): Removed.
1907         (ipa_pop_func_from_list): Clear node_enqueued flag.
1908
1909 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1910
1911         * config/s390/s390.c (override_options): Default
1912         max-unrolled-insns to 100 for z10 tuning.
1913
1914 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1915
1916         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
1917         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
1918         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
1919         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
1920         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
1921         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
1922         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
1923
1924 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
1925
1926         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
1927         use default set in mingw32.h header.
1928         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
1929         64-bit /mingw/include path.
1930         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
1931         path.
1932
1933 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
1934
1935         PR rtl-optimization/40209
1936         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
1937
1938 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
1939
1940         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
1941         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
1942         with the rest of string where appropriate.  Use fputs or putc
1943         instead of fprintf where appropriate.
1944
1945 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
1946             Pat Haugen  <pthaugen@us.ibm.com>
1947             Revital Eres <ERES@il.ibm.com>
1948
1949         * config/rs6000/vector.md: New file.  Move most of the vector
1950         expander support here from altivec.md to allow for the VSX vector
1951         unit in the future.  Add support for secondary_reload patterns.
1952         Rewrite the patterns for vector comparison, and vector comparison
1953         predicate instructions so that the RTL expresses the desired
1954         behavior, instead of using unspec.
1955
1956         * config/rs6000/constraints.md ("f" constraint): Use
1957         rs6000_constraints to hold the precalculated register class.
1958         ("d" constraint): Ditto.
1959         ("wd" constraint): New constraint for VSX.
1960         ("wf" constraint): Ditto.
1961         ("ws" constraint): Ditto.
1962         ("wa" constraint): Ditto.
1963         ("wZ" constraint): Ditto.
1964         ("j" constraint): Ditto.
1965
1966         * config/rs6000/predicates.md (vsx_register_operand): New
1967         predicate for VSX.
1968         (vfloat_operand): New predicate for vector.md.
1969         (vint_operand): Ditto.
1970         (vlogical_operand): Ditto.
1971         (easy_fp_constant): If VSX, 0.0 is an easy constant.
1972         (easy_vector_constant): Add VSX support.
1973         (altivec_indexed_or_indirect_operand): New predicate for
1974         recognizing Altivec style memory references with AND -16.
1975
1976         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
1977         for vector secondary reload support.
1978         (rs6000_vector_reg_class): Delete, replacing it with
1979         rs6000_constraints.
1980         (rs6000_vsx_reg_class): Ditto.
1981         (rs6000_constraints): New array to hold the register classes of
1982         each of the register constraints that can vary at runtime.
1983         (builtin_mode_to_type): New static array for builtin function type
1984         creation.
1985         (builtin_hash_table): New static hash table for builtin function
1986         type creation.
1987         (TARGET_SECONDARY_RELOAD): Define target hook.
1988         (TARGET_IRA_COVER_CLASSES): Ditto.
1989         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
1990         registers are 128 bits if VSX memory reference instructions are used.
1991         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
1992         unit is being used.
1993         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
1994         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
1995         Print several of the scheduling related parameters.
1996         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
1997         rs6000_constraints instead of rs6000_vector_reg_class.  Move
1998         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
1999         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
2000         Altivec.  Add VSX support.  Setup for secondary reload support on
2001         Altivec/VSX registers.
2002         (rs6000_override_options): Make power7 set the scheduling groups
2003         like the power5.  Add support for new debug switches to override
2004         the scheduling defaults.  Temporarily disable -mcpu=power7 from
2005         setting -mvsx.  Add support for debug switches -malways-hint,
2006         -msched-groups, and -malign-branch-targets.
2007         (rs6000_buitlin_conversion): Add support for returning unsigned
2008         vector conversion functions to fix regressions due to stricter
2009         type checking.
2010         (rs6000_builtin_mul_widen_even): Ditto.
2011         (rs6000_builtin_mul_widen_odd): Ditto.
2012         (rs6000_builtin_vec_perm): Ditto.
2013         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
2014         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
2015         to zero a register.
2016         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
2017         generated upstream.
2018         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
2019         VSX types for bit operations.  Changes to accomidate vector.md.
2020         (bdesc_2arg): Ditto.
2021         (bdesc_1arg): Ditto.
2022         (struct builtin_description_predicates): Rewrite predicate
2023         handling so that RTL describes the operation, instead of passing
2024         the instruction to be used as a string argument.
2025         (bdesc_altivec_preds): Ditto.
2026         (altivec_expand_predicate_builtin): Ditto.
2027         (altivec_expand_builtin): Ditto.
2028         (rs6000_expand_ternop_builtin): Use a switch instead of an if
2029         statement for vsldoi support.
2030         (altivec_expand_ld_builtin): Change to use new names from vector.md.
2031         (altivec_expand_st_builtin): Ditto.
2032         (paired_expand_builtin): Whitespace changes.
2033         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
2034         builtin_mode_to_type table for secondary reload.  Call
2035         builtin_function_type to build random builtin functions.
2036         (altivec_init_builtins): Change to use builtin_function_type to
2037         create builtin function types dynamically as we need them.
2038         (builtin_hash_function): New support for hashing the tree types
2039         for builtin function as we need it, rather than trying to build
2040         all of the trees that we need.  Add initial preliminary VSX support.
2041         (builtin_function_type): Ditto.
2042         (builtin_function_eq): Ditto.
2043         (builtin_hash_struct): Ditto.
2044         (rs6000_init_builtins): Ditto.
2045         (rs6000_common_init_builtins): Ditto.
2046         (altivec_init_builtins): Ditto.
2047         (rs6000_common_init_builtins): Ditto.
2048         (enum reload_reg_type): New enum for simplifing reg classes.
2049         (rs6000_reload_register_type): Simplify register classes into GPR,
2050         Vector, and other registers.  Altivec and VSX addresses in reload.
2051         (rs6000_secondary_reload_inner): Ditto.
2052         (rs6000_ira_cover_classes): New target hook, that returns the
2053         appropriate cover classes, based on -mvsx being used or not.
2054         (rs6000_secondary_reload_class): Add VSX support.
2055         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
2056         (get_vsel_insn): Ditto.
2057         (rs6000_emit_vector_compare): Rewrite vector conditional support
2058         so that where we can, we use RTL operators, instead of blindly use
2059         UNSPEC.
2060         (rs6000_emit_vector_select): Ditto.
2061         (rs6000_emit_vector_cond_expr): Ditto.
2062         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
2063         (create_TOC_reference): Add -mdebug=addr support.
2064         (emit_frame_save): VSX loads/stores need register indexed addressing.
2065
2066         * config/rs6000/rs6000.md: Include vector.md.
2067
2068         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
2069
2070         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2071         support for V2DI, V2DF in logical, permute, select operations.
2072
2073         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
2074         switch for vsx/power7.
2075         (-mvsx-scalar-memory): Ditto.
2076         (-mvsx-align-128): Ditto.
2077         (-mallow-movmisalign): Ditto.
2078         (-mallow-df-permute): Ditto.
2079         (-msched-groups): Ditto.
2080         (-malways-hint): Ditto.
2081         (-malign-branch-targets): Ditto.
2082
2083         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
2084         hook instead.
2085         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
2086         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
2087         (rs6000_vector_reg_class): Delete.
2088         (rs6000_vsx_reg_class): Ditto.
2089         (enum rs6000_reg_class_enum): New enum for the constraints that
2090         vary based on target switches.
2091         (rs6000_constraints): New array to hold the register class for all
2092         of the register constraints that vary based on the switches used.
2093         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
2094         (enum rs6000_builtins): Add unsigned varients for the builtin
2095         declarations returned by target hooks for expanding multiplies,
2096         select, and permute operations.  Add VSX builtins.
2097         (enum rs6000_builtin_type_index): Add entries for VSX.
2098         (V2DI_type_node): Ditto.
2099         (V2DF_type_node): Ditto.
2100         (unsigned_V2DI_type_node): Ditto.
2101         (bool_long_type_node): Ditto.
2102         (intDI_type_internal_node): Ditto.
2103         (uintDI_type_internal_node): Ditto.
2104         (double_type_internal_node): Ditto.
2105
2106         * config/rs6000/altivec.md (whole file): Move all expanders to
2107         vector.md from altivec.md.  Rename insn matching functions to be
2108         altivec_foo.
2109         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
2110         (altivec_vcmp*): Ditto.
2111         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
2112         (VM): New iterator for moves that includes the VSX types.
2113         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
2114         (altivec_vperm_<mode>_uns): New, for unsigned types.
2115         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
2116         (altivec_eq<mode>): Ditto.
2117         (altivec_gt<mode>): Ditto.
2118         (altivec_gtu<mode>): Ditto.
2119         (altivec_eqv4sf): Ditto.
2120         (altivec_gev4sf): Ditto.
2121         (altivec_gtv4sf): Ditto.
2122         (altivec_vcmpbfp_p): Ditto.
2123
2124 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
2125
2126         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
2127         unsigned HWI.
2128
2129 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
2130
2131         PR target/40832
2132         * config/i386/i386.c (output_387_ffreep): Rewrite to use
2133         ASM_SHORT instead of .word.
2134         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
2135         instead of .word in asm template.
2136
2137 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
2138
2139         PR target/37488
2140         * ira-lives.c (bb_has_abnormal_call_pred): New function.
2141         (process_bb_node_lives): Use it.
2142
2143         * ira.c (setup_cover_and_important_classes): Don't setup
2144         ira_important_class_nums.  Add cover classes to the end of
2145         important classes.
2146         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
2147         New.
2148         (find_reg_class_closure): Use reorder_important_classes.
2149
2150         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
2151
2152         * config/i386/i386.c (i386_ira_cover_classes): New function.
2153         (TARGET_IRA_COVER_CLASSES): Redefine.
2154
2155         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
2156         importance of order of cover classes in the array.
2157
2158 2009-07-22  Diego Novillo  <dnovillo@google.com>
2159
2160         * tree-pass.h (TDF_EH): Define.
2161         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
2162         contains TDF_EH, print the EH region number holding GS.
2163         * tree-dump.c (dump_options): Add "eh".
2164         * doc/invoke.texi: Document it.
2165
2166 2009-07-22  Doug Kwan  <dougkwan@google.com>
2167
2168         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
2169
2170 2009-07-22  Michael Matz  <matz@suse.de>
2171
2172         PR tree-optimization/35229
2173         PR tree-optimization/39300
2174
2175         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
2176         (inhibit_phi_insertion): New function.
2177         (insert_into_preds_of_block): Call it for REFERENCEs.
2178         (init_pre): Initialize and finalize scalar evolutions.
2179         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
2180
2181 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         * config/i386/predicates.md (zero_extended_scalar_load_operand):
2184         Use CONST_VECTOR_NUNITS to determine number of elements.
2185
2186 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2187
2188         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
2189         (U, W): Constraints are now deprecated and will be removed if we
2190         run out of letters.
2191         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
2192         the file.
2193         ("prefetch"): Add the stcmh instruction for prefetching.
2194         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
2195         changes.
2196         (s390_short_displacement): Return always true if compiling for
2197         machines not providing the long displacement facility.
2198         (s390_mem_constraint): Support the new constraint letter Z.
2199         (s390_check_qrst_address): New function.
2200
2201 2009-07-21  DJ Delorie  <dj@redhat.com>
2202
2203         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
2204         alone too.
2205
2206 2009-07-21  Jason Merrill  <jason@redhat.com>
2207
2208         * c-common.c (max_tinst_depth): Increase default to 1024.
2209
2210 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2211
2212         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
2213         (vec_unpacku_float_lo_v4si): Ditto.
2214
2215 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2216
2217         PR target/40811
2218         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
2219         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
2220         (builtin_description): Add __builtin_ia32_cvtudq2ps.
2221         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
2222
2223 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR tree-optimization/40813
2226         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
2227         it.
2228
2229 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2230
2231         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
2232         with a NOP_EXPR if needed.
2233
2234 2009-07-21  Paul Brook <paul@codesourcery.com>
2235
2236         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
2237         Terminate debug dump with newline.
2238
2239 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2240
2241         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
2242         Cast "1" to unsigned HOST_WIDE_INT.
2243         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
2244         deposit length to the maximum length - lsb.  Extend length if
2245         HOST_BITS_PER_WIDE_INT is 32.
2246
2247 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
2248
2249         * cgraph.h (constant_pool_htab): New function.
2250         (constant_descriptor_tree): Move from varasm.c.
2251         * varasm.c (constant_pool_htab): New function.
2252         (constant_descriptor_tree): Move to cgraph.h.
2253
2254 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
2255
2256         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
2257
2258 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
2259
2260         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
2261         $(VARRAY_H).
2262
2263 2009-07-20  Xinliang David Li  <davidxl@google.com>
2264
2265         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
2266
2267 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
2268
2269         * config/mips/mips.md (move_type): Add arith.
2270         (type): Handle arith.
2271         (zero_extendsidi2): Rename this into ...
2272         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
2273         (zero_extendsidi2): New expander.
2274         (*zero_extendsidi2_dext): New pattern.
2275
2276 2009-07-20  Nick Clifton  <nickc@redhat.com>
2277
2278         * config.gcc (mips64-*-*): Add definition of tm_defines in order
2279         to set MIPS_ABI_DEFAULT.
2280         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
2281
2282 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
2283
2284         * tree-object-size.c (addr_object_size): Handle unions with
2285         array in it as last field of structs in __bos (, 1) as __bos (, 0).
2286
2287         PR tree-optimization/40792
2288         * tree.c (build_function_type_skip_args): Remove bogus assert.
2289
2290 2009-07-20  Jan Hubicka  <jh@suse.cz>
2291             Martin Jambor  <mjambor@suse.cz>
2292
2293         * cgraph.h (combined_args_to_skip): New field.
2294         * cgraph.c (cgraph_create_virtual_clone): Properly handle
2295         combined_args_to_skip and args_to_skip.
2296         * tree-inline.c (update_clone_info): New function.
2297         (tree_function_versioning): Call update_clone_info.
2298         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
2299         functions.
2300         (cgraph_materialize_all_clones): More extensive dumping, working
2301         with combined_args_to_skip rather than args_to_skip.
2302
2303 2009-07-20  Ira Rosen  <irar@il.ibm.com>
2304
2305         * tree-vectorizer.h (vectorizable_condition): Add parameters.
2306         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
2307         (get_initial_def_for_reduction): Likewise.
2308         (vectorizable_reduction): Skip the check of first operand in case
2309         of COND_EXPR. Add check that it is outer loop vectorization if
2310         nested cycle was detected. Call vectorizable_condition() for
2311         COND_EXPR. If reduction epilogue cannot be created do not fail for
2312         nested cycles (if it is not double reduction). Assert that there
2313         is only one type in the loop in case of COND_EXPR. Call
2314         vectorizable_condition() to vectorize COND_EXPR.
2315         * tree-vect-stmts.c (vectorizable_condition): Update comment.
2316         Add parameters. Allow nested cycles if called from
2317         vectorizable_reduction(). Use reduction vector variable if provided.
2318         (vect_analyze_stmt): Call vectorizable_reduction() before
2319         vectorizable_condition().
2320         (vect_transform_stmt): Update call to vectorizable_condition().
2321
2322 2009-07-20  Christian Bruel  <christian.bruel@st.com>
2323
2324         * config/sh/sh.opt (-mfmovd): Resurrect and document.
2325         * doc/invoke.texi (-mfmovd): Likewise.
2326         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
2327
2328 2009-07-20  Jan Hubicka  <jh@suse.cz>
2329
2330         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
2331         when handling SSA name.
2332
2333 2009-07-19  Jan Hubicka  <jh@suse.cz>
2334
2335         PR tree-optimization/40676
2336         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
2337         virtual PHIs in empty BBs.
2338
2339 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2340
2341         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
2342         re-expanded the compound use gen_lowpart instead to convert to the
2343         desired mode.
2344
2345 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2346
2347         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
2348         OUTER_CONST arguments.
2349         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
2350         the new wider mode will be masked off.
2351         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
2352
2353 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2354
2355         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
2356         high-order bits are zero.
2357
2358 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2359
2360         * combine.c (simplify_shift_const_1): Split code to determine
2361         shift_mode into ...
2362         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
2363         new bits shifted in are identical to the old sign bit.
2364
2365 2009-07-18  Richard Guenther  <rguenther@suse.de>
2366
2367         PR c/40787
2368         * gimplify.c (gimplify_call_expr): Reject code using results from
2369         functions returning void.
2370
2371 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2372
2373         * doc/md.texi: Document the new PowerPC "es" constraint.
2374         Document that "m" can include automodified addresses on this target,
2375         and explain how %U must be used.  Extend the "Q" and "Z" documentation
2376         to suggest "es" as well as "m".
2377         * config/rs6000/constraints.md (es): New memory constraint.
2378         (Q, Z): Update strings to match new documentation.
2379
2380 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2381
2382         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
2383         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
2384         * config/rs6000/predicates.md (volatile_mem_operand): Use
2385         offsettable_nonstrict_memref_p.
2386         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
2387         (*floatunssidf2_internal): Likewise.
2388         (*fix_truncdfsi2_internal): Likewise.
2389         (*fix_trunctfsi2_internal): Likewise.
2390
2391 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
2392
2393         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
2394         atmega32u2 devices.
2395         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2396
2397 2009-07-17  Richard Guenther  <rguenther@suse.de>
2398
2399         PR c/40401
2400         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
2401         (pass_warn_unused_result): Likewise.
2402         (TODO_set_props): Remove.
2403         * omp-low.c (diagnose_omp_structured_block_errors): Change to
2404         run as a pass.
2405         (pass_diagnose_omp_blocks): Define.
2406         * c-decl.c (pop_file_scope): Do not finalize the CU here.
2407         (c_gimple_diagnostics_recursively): Remove.
2408         (finish_function): Do not call it.
2409         (c_write_global_declarations): Continue after errors.
2410         Finalize the CU here.
2411         * c-gimplify.c (c_genericize): Do not gimplify here.
2412         * c-common.c (c_warn_unused_result): Move ...
2413         * tree-cfg.c (do_warn_unused_result): ... here.
2414         (run_warn_unused_result): New function.
2415         (gate_warn_unused_result): New function.
2416         (pass_warn_unused_result): New pass.
2417         * c-common.h (c_warn_unused_result): Remove.
2418         * flags.h (flag_warn_unused_result): Declare.
2419         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
2420         * opts.c (flag_warn_unused_result): Initialize to false.
2421         * toplev.c (compile_file): Add comment.
2422         * omp-low.c (create_omp_child_function): Do not register
2423         the function with the frontend.
2424         (diagnose_omp_structured_block_errors): Prepare to be
2425         called as optimization pass.
2426         (gate_diagnose_omp_blocks): New function.
2427         (pass_diagnose_omp_blocks): New pass.
2428         * cgraph.h (cgraph_optimize): Remove.
2429         (cgraph_analyze_function): Likewise.
2430         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
2431         * cgraphunit.c (cgraph_lower_function): Lower nested functions
2432         before their parents here.
2433         (cgraph_finalize_function): Not here.
2434         (cgraph_analyze_function): Gimplify functions here.
2435         (cgraph_finalize_compilation_unit): Continue after errors.
2436         Optimize the callgraph from here.
2437         (cgraph_optimize): Make static.
2438         * langhooks.c (write_global_declarations): Finalize the CU.
2439         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
2440         (gimplify_function_tree): Assert we gimplify only once.
2441         Set PROP_gimple_any property.
2442         * tree-nested.c (gimplify_all_functions): New function.
2443         (lower_nested_functions): Gimplify all nested functions.
2444         * gimple.h (diagnose_omp_structured_block_errors): Remove.
2445         * passes.c (init_optimization_passes): Add pass_warn_unused_result
2446         and pass_diagnose_omp_blocks after gimplification.  Do not
2447         set TODO_set_props on all_lowering_passes.
2448         (execute_one_pass): Do not handle TODO_set_props.
2449         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
2450         (gimplify.o): Add tree-pass.h dependency.
2451         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
2452         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
2453         (unsave_r): Likewise.
2454         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
2455         temporary variable.
2456
2457 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
2458
2459         * doc/service.texi (Service): Restore previously removed link,
2460         which isn't broken after all.
2461
2462 2009-07-17  Richard Guenther  <rguenther@suse.de>
2463
2464         PR tree-optimization/40321
2465         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
2466         PHI nodes to the maximal set.
2467         (make_values_for_phi): Add PHI arguments to the maximal set.
2468         (execute_pre): Dump PHI_GEN and the maximal set.
2469
2470 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
2471
2472         PR c++/40780
2473         * gimplify.c (gimplify_conversion): Don't change non-conversions into
2474         VIEW_CONVERT_EXPR.
2475
2476 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
2477
2478         * doc/extend.texi (Nested Functions): Replace broken link with
2479         textual reference.
2480         * doc/service.texi (Service): Remove broken link.
2481
2482 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
2483
2484         PR bootstrap/40781
2485         * builtins.c (expand_builtin_memcmp): Use loc instead of
2486         EXPR_LOCATION (exp).
2487         (expand_builtin_strncmp): Likewise.
2488
2489 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
2490             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2491
2492         PR 40435
2493         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
2494         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
2495         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
2496         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
2497         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
2498         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
2499         tree-inline.c, c-common.c, c-common.h, gimple.c,
2500         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
2501         convert.c: Add location argument to fold_{unary,binary,ternary},
2502         fold_build[123], build_call_expr, build_size_arg,
2503         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
2504         fold_build1_initializer, fold_build2_initializer,
2505         fold_build3_initializer, fold_build_call_array,
2506         fold_build_call_array_initializer, fold_single_bit_test,
2507         omit_one_operand, omit_two_operands, invert_truthvalue,
2508         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
2509         combine_comparisons, fold_builtin_*, fold_call_expr,
2510         build_range_check, maybe_fold_offset_to_address, round_up,
2511         round_down.
2512
2513 2009-07-16  Jason Merrill  <jason@redhat.com>
2514
2515         PR libstdc++/37907
2516         * c-common.c (c_common_reswords): Add __is_standard_layout
2517         and __is_trivial.
2518         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
2519         * doc/implement-cxx.texi: New.
2520         * doc/gcc.texi: Include it.
2521
2522 2009-07-16  DJ Delorie  <dj@redhat.com>
2523
2524         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
2525         compares that may be indirectly affected by previous instructions.
2526
2527 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2528
2529         * builtins.c (do_mpc_arg2): New.
2530         (fold_builtin_2): Fold builtin cpow.
2531         * real.h (HAVE_mpc_pow): New.
2532
2533 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
2534
2535         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
2536         comparison to skip unprofitable schedule
2537
2538 2009-07-16  Simon Baldwin  <simonb@google.com>
2539
2540         * gcc.c (option_map): New flag -no-canonical-prefixes.
2541         * (display_help): Print help text for new flag.
2542         * (process_command): Move options translation and language specifics
2543         and handle new flag early.  Use it to set a function pointer to a
2544         prefix builder.  Replace make_relative_prefix calls with calls to
2545         the function pointed to.  Ignore new flag in regular options handling.
2546         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
2547
2548 2009-07-15  DJ Delorie  <dj@redhat.com>
2549
2550         * config/mep/mep.md (sibcall_internal): Change register to avoid
2551         argument registers.
2552         (sibcall_value_internal): Likewise.
2553
2554 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
2555
2556         PR rtl-optimization/40710
2557         * resource.c (mark_target_live_regs): Reset DF problem to LR.
2558
2559 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
2560
2561         * config/mips/mips.md (*extenddi_truncate<mode>,
2562         *extendsi_truncate<mode>): Change type attribute to move_type
2563         with shift_shift.  Split out code handling exts from here ...
2564         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
2565         pattern.
2566         (*extendhi_truncateqi): Change type attribute to move_type with
2567         shift_shift.  Split out code handling exts from here ...
2568         (*extendhi_truncateqi_exts): ... to this new pattern.
2569
2570 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
2571
2572         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
2573         instead of "and" with inverted sign bit mask value.  Use
2574         "nonimmediate_operand" for operand 1 and operand 2 predicate.
2575         Allocate registers only for operand 4 and operand 5.
2576
2577 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
2578
2579         PR middle-end/40747
2580         * fold-const.c (fold_cond_expr_with_comparison): When folding
2581         < and <= to MIN, make sure the MIN uses the same type as the
2582         comparison's operands.
2583
2584 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
2585
2586         * arm.md (ior_xor): New code iterator.
2587         (split for ior/xor with shift and zero-extend): New split pattern.
2588         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
2589
2590 2009-07-15  Richard Guenther  <rguenther@suse.de>
2591
2592         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
2593         offset member.
2594
2595 2009-07-15  Richard Guenther  <rguenther@suse.de>
2596
2597         PR middle-end/40753
2598         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
2599
2600 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2601
2602         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
2603         handle 2.6.30 kernel.
2604
2605 2009-07-15  DJ Delorie  <dj@redhat.com>
2606
2607         * config/mep/mep.md (sibcall_internal): Change register to allow
2608         for 24-bit addresses.
2609         (sibcall_value_internal): Likewise.
2610
2611 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2612
2613         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
2614         that are enabled/disabled by the flags introduced by a previous patch.
2615
2616 2009-07-14  DJ Delorie  <dj@redhat.com>
2617
2618         * config/mep/mep.md (sibcall_internal): Include non-toggling
2619         non-jmp case.
2620         (sibcall_value_internal): Likewise.
2621
2622 2009-07-14  Taras Glek  <tglek@mozilla.com>
2623             Rafael Espindola  <espindola@google.com>
2624
2625         * doc/sourcebuild.texi: Document install-plugin target.
2626         * configure.ac: Added install-plugin target to language makefiles.
2627         * configure: Regenerate.
2628         * Makefile.in: (install-plugin): Install more headers,
2629         depend on lang.install-plugin.
2630
2631 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2632
2633         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
2634         translation.
2635
2636 2009-07-14  DJ Delorie  <dj@redhat.com>
2637
2638         * config/mep/mep.c (mep_vliw_jmp_match): New function.
2639         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
2640         * config/mep/mep.md (sibcall_internal): Change test from
2641         mep_vliw_mode_match to mep_vliw_jmp_match.
2642         (sibcall_value_internal): Likewise.
2643
2644 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
2645
2646         * config/i386/sse.md (copysign<mode>3): New expander.
2647         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
2648         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
2649         Use ix86_build_const_vector.
2650         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
2651         IX86_BUILTIN_CPYSGNPD.
2652         (builtin_description): Add __builtin_ia32_copysignps and
2653         __builtin_ia32_copysignpd.
2654         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
2655         and BUILT_IN_COPYSIGNF.
2656
2657 2009-07-13  Jason Merrill  <jason@redhat.com>
2658
2659         * builtins.c (can_trust_pointer_alignment): New fn.
2660         (get_pointer_alignment): Factor it out from here.
2661         * tree.h: Declare it.
2662
2663 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
2664
2665         * config/rs6000/predicates.md (offsettable_mem_operand): Test
2666         RTX_AUTOINC class.
2667
2668 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
2669
2670         PR debug/40705
2671         PR c++/403057
2672         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
2673
2674 2009-07-14  Richard Guenther  <rguenther@suse.de>
2675             Andrey Belevantsev <abel@ispras.ru>
2676
2677         PR middle-end/40745
2678         * cfgexpand.c (partition_stack_vars): Do not bother to update
2679         alias information when not optimizing.
2680
2681 2009-07-14  Richard Guenther  <rguenther@suse.de>
2682             Andrey Belevantsev <abel@ispras.ru>
2683
2684         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
2685         (pt_solution_set): Likewise.
2686         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
2687         * tree-ssa-structalias.c (pt_solution_set): New function.
2688         * final.c (rest_of_clean_state): Free SSA data structures.
2689         * print-rtl.c (print_decl_name): Remove.
2690         (print_mem_expr): Implement in terms of print_generic_expr.
2691         * alias.c (ao_ref_from_mem): New function.
2692         (rtx_refs_may_alias_p): Likewise.
2693         (true_dependence): Query alias-export info.
2694         (canon_true_dependence): Likewise.
2695         (write_dependence_p): Likewise.
2696         * tree-dfa.c (get_ref_base_and_extent): For void types leave
2697         size unknown.
2698         * emit-rtl.c (component_ref_for_mem_expr): Remove.
2699         (mem_expr_equal_p): Use operand_equal_p.
2700         (set_mem_attributes_minus_bitpos): Do not use
2701         component_ref_for_mem_expr.
2702         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
2703         (update_alias_info_with_stack_vars): Likewise.
2704         (partition_stack_vars): Call update_alias_info_with_stack_vars.
2705         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
2706         explicitly nor clear stmt operands.
2707         Free the decl-to-pointer map.
2708         * tree-optimize.c (execute_free_datastructures): Do not free
2709         SSA data structures here.
2710         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
2711         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
2712         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
2713         dependencies.
2714         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
2715
2716 2009-07-13  DJ Delorie  <dj@redhat.com>
2717
2718         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
2719         unrolling at the right iteration count.
2720
2721         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
2722         calculations.
2723
2724 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2725
2726         * haifa-sched.c (rank_for_schedule): Introduced flags to
2727         enable/disable individual scheduling heuristics.
2728         * common.opt: Introduced flags to enable/disable individual
2729         heuristics in the scheduler.
2730         * doc/invoke.texi: Introduced flags to enable/disable individual
2731         heuristics in the scheduler.
2732
2733 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
2734
2735         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
2736         config/i386/mingw-tls.c.
2737         * config/i386/mingw-tls.c: Removed.
2738
2739 2009-07-13  Ira Rosen  <irar@il.ibm.com>
2740
2741         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
2742         checks access only relevant statements.
2743         (vectorizable_reduction): Likewise.
2744
2745 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
2746
2747         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
2748         just for 32-bit case.
2749
2750 2009-07-12  Jan Hubicka  <jh@suse.cz>
2751
2752         PR tree-optimization/40585
2753         * except.c (expand_resx_expr): When there already is resume
2754         instruction, produce linked list.
2755         (build_post_landing_pads): Assert that resume is empty.
2756         (connect_post_landing_pads): Handle resume lists.
2757         (dump_eh_tree): Dump resume list.
2758
2759 2009-07-12  Ira Rosen  <irar@il.ibm.com>
2760
2761         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
2762         with additional argument.
2763         * tree-vectorizer.h (enum vect_def_type): Add
2764         vect_double_reduction_def.
2765         (vect_is_simple_reduction): Add argument.
2766         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
2767         indentation.
2768         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
2769         vect_is_simple_reduction with additional argument.
2770         (vect_analyze_loop_operations): Handle exit phi nodes in case of
2771         double reduction.
2772         (reduction_code_for_scalar_code): Handle additional codes by
2773         returning ERROR_MARK for them. Fix comment and indentation.
2774         (vect_is_simple_reduction): Fix comment, add argument to specify
2775         double reduction. Detect double reduction.
2776         (get_initial_def_for_induction): Fix indentation.
2777         (get_initial_def_for_reduction): Fix comment and indentation.
2778         Handle double reduction. Create initial definitions that do not
2779         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
2780         (vect_create_epilog_for_reduction): Fix comment, add argument to
2781         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
2782         epilogue result extraction. Create double reduction phi node and
2783         replace relevant uses.
2784         (vectorizable_reduction): Call vect_is_simple_reduction with
2785         additional argument. Fix indentation. Update epilogue code treatment
2786         according to the changes in reduction_code_for_scalar_code. Check
2787         for double reduction. Call vect_create_epilog_for_reduction with
2788         additional argument.
2789         * tree-vect-stmts.c (process_use): Handle double reduction, update
2790         documentation.
2791         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
2792         (vect_get_vec_def_for_operand): Likewise.
2793
2794 2009-07-12  Danny Smith  <dansmister@gmail.com>
2795
2796         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
2797         dllexport if !TREE_PUBLIC.
2798         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
2799
2800 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
2801
2802         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
2803         (avr_extra_arch_macro) Remove declatation.
2804         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
2805         (avr_extra_arch_macro) Declare as static.
2806         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
2807
2808 2009-07-11  Jan Hubicka  <jh@suse.cz>
2809
2810         PR middle-end/48388
2811         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
2812
2813 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR debug/40713
2816         * dwarf2out.c (dw_fde_struct): Add in_std_section and
2817         cold_in_std_section bits.
2818         (dwarf2out_begin_prologue): Initialize them.
2819         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
2820         if already covered by text_section or cold_text_section range.
2821
2822         PR rtl-optimization/40667
2823         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
2824         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
2825         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
2826         * config/i386/i386.c (ix86_minimum_alignment): New function.
2827         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
2828         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
2829         * emit-rtl.c (gen_reg_rtx): Likewise.
2830         * function.c (assign_parms): Likewise.  If nominal_type needs
2831         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
2832         rather than passed_type's alignment.
2833
2834         PR target/40668
2835         * function.c (assign_parm_setup_stack): Adjust
2836         MEM_OFFSET (data->stack_parm) if promoted_mode is different
2837         from nominal_mode on big endian.
2838
2839 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
2840
2841         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
2842
2843 2009-07-10  DJ Delorie  <dj@redhat.com>
2844
2845         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
2846
2847 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
2848
2849         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
2850         attribute.
2851         (thumb2_cbnz): Likewise.
2852
2853 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
2854
2855         PR target/39079
2856         * config.gcc (supported_defaults): Add synci.
2857         (with_synci): Add validation.
2858         (all_defaults): Add synci.
2859         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
2860         ISA_HAS_SYNCI.
2861         (synci): Same.
2862         * config/mips/mips.opt (msynci): New option.
2863         * config/mips/mips.c (mips_override_options): Warn on use of
2864         -msynci for targets that do now support it.
2865         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
2866         msynci.
2867         * gcc/doc/invoke.texi (-msynci): Document the new option.
2868         * doc/install.texi (--with-synci): Document the new option.
2869
2870 2009-07-10  Richard Guenther  <rguenther@suse.de>
2871
2872         PR tree-optimization/40496
2873         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
2874         the PHI result with a compatible type.
2875
2876 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2877
2878         PR 25509
2879         PR 40614
2880         * c.opt (Wunused-result): New.
2881         * doc/invoke.texi: Document it.
2882         * c-common.c (c_warn_unused_result): Use it.
2883
2884 2009-07-09  DJ Delorie  <dj@redhat.com>
2885
2886         * targhooks.c (default_target_can_inline_p): Rename from
2887         default_target_option_can_inline_p.
2888         * targhooks.h (default_target_can_inline_p): Likewise.
2889         * target-def.h (TARGET_CAN_INLINE_P): Rename from
2890         TARGET_OPTION_CAN_INLINE_P.
2891         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
2892         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
2893         (mep_target_can_inline_p): Rename from
2894         mep_target_option_can_inline_p.
2895
2896         PR target/40626
2897         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
2898         registers used to pass vectors.
2899
2900         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
2901
2902 2009-07-09  Tom Tromey  <tromey@redhat.com>
2903
2904         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
2905         * config/mmix/mmix.c: Include dwarf2.h.
2906         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
2907         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
2908         * config/sh/sh.c: Include dwarf2.h.
2909         * config/i386/i386.c: Include dwarf2.h.
2910         * Makefile.in (DWARF2_H): Remove 'elf'.
2911         * except.c: Include dwarf2.h.
2912         * unwind-dw2.c: Include dwarf2.h.
2913         * dwarf2out.c: Include dwarf2.h.
2914         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
2915         * unwind-dw2-fde.c: Include dwarf2.h.
2916         * dwarf2asm.c: Include dwarf2.h.
2917
2918 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
2919
2920         * haifa-sched.c (insn_finishes_cycle_p): New static function.
2921         (max_issue): Use it.
2922         * sched-int.h (struct sched_info: insn_finishes_block_p): New
2923         scheduler hook.
2924         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
2925         (region_sched_info): Update.
2926         * sched-ebb.c (ebb_sched_info): Update.
2927         * modulo-sched.c (sms_sched_info): Update.
2928         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
2929
2930 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
2931
2932         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
2933
2934 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
2935
2936         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
2937
2938 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR middle-end/40692
2941         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
2942         arg1 with arg01 if arg1 is already INTEGER_CST.
2943
2944 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
2945
2946         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
2947         Transform (and (truncate)) into (truncate (and)).
2948
2949 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
2950
2951         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
2952         creating LHS paradoxical subregs.  Fix surrounding returns to
2953         use NULL_RTX rather than 0.
2954
2955 2009-07-08  DJ Delorie  <dj@redhat.com>
2956
2957         * config/mep/mep.c: (mep_option_can_inline_p): New.
2958         (TARGET_OPTION_CAN_INLINE_P): Define.
2959
2960 2009-07-08  Mark Wielaard  <mjw@redhat.com>
2961
2962         PR debug/40659
2963         * dwarf2out.c (add_data_member_location_attribute): When we have
2964         only a constant offset don't emit a new location description using
2965         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
2966         dwarf_version > 2.
2967
2968 2009-07-08  Richard Henderson  <rth@redhat.com>
2969
2970         PR target/38900
2971         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
2972         (enum reg_class): Add CLOBBERED_REGS.
2973         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
2974         * config/i386/i386.c (ix86_conditional_register_usage): Moved
2975         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
2976         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
2977         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
2978         force 64-bit sibcalls into R11.
2979         * config/i386/constraints.md (U): New constraint.
2980         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
2981         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
2982         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
2983
2984 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
2985
2986         * basic-block.h (dump_regset, debug_regset): Remove duplicate
2987         prototypes.
2988         * c-objc-common.h (c_initialize_diagnostics): Ditto.
2989         * ebitmap.h (dump_ebitmap): Ditto.
2990         * optabs.h (optab_libfunc): Ditto.
2991         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
2992         * tree-flow.h (vect_can_force_dr_alignment_p,
2993         get_vectype_for_scalar_type): Ditto.
2994         (vectorize_loops): Move prototype to ...
2995         * tree-vectorizer.h: ... here. Also, adjust comment.
2996         (vect_set_verbosity_level): Remove duplicate prototype.
2997         * tree-ssa-loop.c: Include tree-vectorizer.h.
2998         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
2999
3000 2009-07-08  Nick Clifton  <nickc@redhat.com>
3001
3002         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
3003         forward slash.
3004
3005 2009-07-08  DJ Delorie  <dj@redhat.com>
3006
3007         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
3008         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
3009         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
3010         written to.
3011         * config/mep/intrinsics.md: Regenerated.
3012         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
3013         registers when asm() or calls are detected.
3014
3015 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3016
3017         PR c++/31246
3018         * gimplify.c (gimplify_expr): Propagate no_warning flag when
3019         gimplifying.
3020         * gimple (gimple_build_call_from_tree): Likewise.
3021         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
3022         no_warning flag before warning.
3023
3024 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3025
3026         * tree.c (set_expr_locus): Remove.
3027         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
3028         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
3029         EXPR_LOCATION.
3030         * gimplify.c (internal_get_tmp_var): Likewise.
3031         (gimplify_call_expr): Likewise.
3032         (gimplify_one_sizepos): Likewise.
3033
3034 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
3035
3036         PR debug/40666
3037         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
3038         to variables for debugging purposes.
3039
3040 2009-06-23  Mark Loeser  <mark@halcy0n.com>
3041
3042         PR build/40010
3043         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
3044
3045 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3046
3047         * pretty-print.c (pp_base_format): Remove %J.
3048         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3049         gcc_cxxdiag_char_table): Likewise.
3050         (init_dynamic_diag_info): Likewise.
3051
3052 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3053
3054         * pretty-print.c (pp_base_format): Remove %H.
3055         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3056         gcc_cxxdiag_char_table): Likewise.
3057         (init_dynamic_diag_info): Likewise.
3058         * config/mep/mep.c (mep_select_section): Likewise.
3059
3060 2009-07-07  Duncan Sands  <baldrick@free.fr>
3061
3062         * final.c (pass_clean_state): Give the pass a name.
3063         * passes.c (pass_rest_of_compilation): Likewise.
3064         * tree-optimize.c (pass_all_optimizations): Likewise.
3065
3066 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3067
3068         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
3069         an extra 'decl' for error_at.
3070
3071 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
3072
3073         PR middle-end/40669
3074         * tree-tailcall.c (adjust_return_value_with_ops,
3075         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
3076         if it has complex or vector type.
3077
3078 2009-07-07  Olivier Hainque  <hainque@adacore.com>
3079
3080         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
3081         pthread symbols.
3082
3083 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
3084
3085         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
3086
3087 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3088
3089         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
3090         * c-decl.c: Likewise.
3091         * function.c: Likewise.
3092         * varasm.c: Likewise.
3093         * tree-ssa.c: Likewise.
3094         * c-common.c: Likewise.
3095         * tree-cfg.c: Likewise.
3096         * config/spu/spu.c: Likewise.
3097         * config/ia64/ia64.c: Likewise.
3098         * config/v850/v850.c: Likewise.
3099
3100 2009-07-06  DJ Delorie  <dj@redhat.com>
3101
3102         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
3103         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
3104         unspecified accesses to control registers.
3105         * config/mep/intrinsics.md: Regenerate.
3106         * config/mep/intrinsics.h: Regenerate.
3107         * config/mep/mep-intrin.h: Regenerate.
3108
3109 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3110
3111         * c-lex.c: Replace %H by an explicit location. Update all calls.
3112         * c-common.c: Likewise.
3113         * c-decl.c: Likewise.
3114         * c-typeck.c: Likewise.
3115         * fold-const.c: Likewise.
3116         * gimplify.c: Likewise.
3117         * stmt.c: Likewise.
3118         * tree-cfg.c: Likewise.
3119         * tree-ssa-loop-niter.c: Likewise.
3120         * tree-vrp.c: Likewise.
3121         * value-prof.c: Likewise.
3122
3123 2009-07-06  Diego Novillo  <dnovillo@google.com>
3124
3125         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
3126         if it has one.  Handle cases where VAR does not have an
3127         annotation or cfun is NULL.
3128
3129 2009-07-06  Diego Novillo  <dnovillo@google.com>
3130
3131         * tree.c: Include debug.h.
3132         (initialize_tree_contains_struct): New.
3133         (init_ttree): Call it.
3134         (tree_node_structure_for_code): Factor out of ...
3135         (tree_node_structure): ... here.
3136         * treestruct.def (TS_PHI_NODE): Remove.
3137         (TS_GIMPLE_STATEMENT): Remove.
3138
3139 2009-07-06  Diego Novillo  <dnovillo@google.com>
3140
3141         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
3142         (debug_tree_chain): Handle cycles.
3143
3144 2009-07-06  Nick Clifton  <nickc@redhat.com>
3145             DJ Delorie  <dj@redhat.com>
3146
3147         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
3148         __FMOVD_ENABLED__ is defined.
3149         * config/sh/sh.h
3150         (TARGET_FMOVD): Provide a default definition.
3151         (MASK_FMOVD): Likewise.
3152         (TARGET_CPU_CPP_BUILTINS): Define
3153         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
3154         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
3155         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
3156         (split for DF load from memory into register): Also handle
3157         MEMs which consist of REG+DISP addressing.
3158         (split for DF store from register to memory): Likewise.
3159         (movsf_ie): Always use single fp_mode.
3160         * config/sh/sh.c (sh_override_options): Do not automatically
3161         enable TARGET_MOVD for the SH2A when supporting doubles - leave
3162         that to the -mfmovd command line switch.
3163         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
3164         (fldi_ok): Always allow.
3165         * config/sh/sh.opt (mfmovd): Remove this switch.
3166         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
3167
3168 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
3169             Kaz Kojima  <kkojima@gcc.gnu.org>
3170
3171         PR rtl-optimization/30807
3172         * postreload.c (reload_combine): For every new use of REG_SUM,
3173         record the use of BASE.
3174
3175 2009-07-06  Jan Hubicka  <jh@suse.cz>
3176
3177         * params.def: Revert my accidental commit at 2009-06-30.
3178
3179 2009-07-04  Ian Lance Taylor  <iant@google.com>
3180
3181         PR target/40636
3182         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
3183         EXPORTED_CONST.
3184         (mingw_format_attribute_overrides): Likewise.
3185
3186 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR debug/40596
3189         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
3190         don't check cfa.reg.  Instead of cfa.indirect use
3191         fde && fde->drap_reg != INVALID_REGNUM test.
3192
3193 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
3194
3195         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
3196
3197 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
3198
3199         PR target/40587
3200         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
3201
3202 2009-07-03  Richard Guenther  <rguenther@suse.de>
3203
3204         PR tree-optimization/40640
3205         * tree-switch-conversion.c (build_arrays): Perform arithmetic
3206         in original type.
3207
3208 2009-07-03  Jan Hubicka  <jh@suse.cz>
3209
3210         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
3211         for size, reduce amount of inlining.
3212
3213 2009-07-03  Richard Guenther  <rguenther@suse.de>
3214
3215         PR middle-end/34163
3216         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
3217         if t +- x is known to not overflow and the conversion widens the
3218         operation.
3219         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
3220
3221 2009-07-03  Jan Hubicka  <jh@suse.cz>
3222
3223         * ipa-pure-const.c (analyze): Update loop optimizer init.
3224         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
3225         try_remove_empty_loop, remove_empty_loops): Remove.
3226         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
3227         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
3228         to mark regular loops as neccesary.
3229         (degenerate_phi_p): New function.
3230         (propagate_necessity, remove_dead_phis): Use it.
3231         (forward_edge_to_pdom): Likewise.
3232         (eliminate_unnecessary_stmts): Take care to remove uses of results of
3233         virtual PHI nodes that became unreachable.
3234         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
3235         * tree-flow.h (remove_empty_loops): Remove.
3236         * passes.c (init_optimization_passes): Remove.
3237
3238 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
3241         can_create_pseudo_p.
3242         (*fix_trunc<mode>_i387_1): Ditto.
3243         (*floathi<mode>2_1): Ditto.
3244         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
3245         (*fistdi2_1): Ditto.
3246         (*fist<mode>2_1): Ditto.
3247         (frndintxf2_floor): Ditto.
3248         (*fist<mode>2_floor_1): Ditto.
3249         (frndintxf2_ceil): Ditto.
3250         (*fist<mode>2_ceil_1): Ditto.
3251         (frndintxf2_trunc): Ditto.
3252         (frndintxf2_mask_pm): Ditto.
3253         (fxam<mode>2_i387_with_temp): Ditto.
3254         * config/i386/sse.md (mulv16qi3): Ditto.
3255         (*sse2_mulv4si3): Ditto.
3256         (mulv2di3): Ditto.
3257         (sse4_2_pcmpestr): Ditto.
3258         (sse4_2_pcmpistr): Ditto.
3259
3260 2009-07-03  Jan Hubicka  <jh@suse.cz>
3261
3262         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
3263         (mark_stmt_necessary): Set it.
3264         (mark_operand_necessary): Set it.
3265         (mark_control_dependent_edges_necessary): Set it.
3266         (mark_virtual_phi_result_for_renaming): New function.
3267         (get_live_post_dom): New function.
3268         (forward_edge_to_pdom): New function.
3269         (remove_dead_stmt): Fix handling of control dependences.
3270         (tree_dce_init): Init new bitmap.
3271         (tree_dce_done): Free it.
3272
3273 2009-07-02  Richard Guenther  <rguenther@suse.de>
3274
3275         PR bootstrap/40617
3276         * tree-ssa-structalias.c (new_var_info): Initialize
3277         is_restrict_var.
3278
3279 2009-07-02  Jan Hubicka  <jh@suse.cz>
3280
3281         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
3282         local.
3283
3284 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
3285
3286         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
3287         instead of recomputing it.  Adjust calls.
3288         (emit_store_flag): Adjust recursive calls.
3289
3290 2009-07-02  Richard Guenther  <rguenther@suse.de>
3291
3292         * tree-ssa-live.c (remove_unused_locals): Do not remove
3293         heap variables.
3294         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
3295         of DECL_EXTERNAL for HEAP variables.
3296         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
3297         HEAP variables.  Do not adjust RESTRICT vars.
3298         (find_what_var_points_to): Nobody cares if something
3299         points to READONLY.
3300
3301 2009-07-02  Ben Elliston  <bje@au.ibm.com>
3302
3303         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
3304         pc_low and pc_high declarations to the top of the function.
3305
3306 2009-07-01  DJ Delorie  <dj@redhat.com>
3307
3308         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
3309         registers as fixed.
3310         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
3311         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
3312         unspecified accesses to control registers.
3313         * config/mep/intrinsics.md: Regenerate.
3314         * config/mep/intrinsics.h: Regenerate.
3315         * config/mep/mep-intrin.h: Regenerate.
3316
3317 2009-07-01  Anthony Green  <green@moxielogic.com>
3318
3319         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
3320         instruction when possible.
3321         (moxie_expand_prologue): Ditto.  Also, save an instruction and
3322         some complexity by popping off of $r12 instead of $sp.
3323         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
3324         operands.
3325
3326 2009-07-01  Richard Henderson  <rth@redhat.com>
3327
3328         PR bootstrap/40347
3329         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
3330         contained no insns, reposition note before last insn.
3331
3332 2009-07-01  Richard Henderson  <rth@redhat.com>
3333
3334         PR debug/40431
3335         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
3336         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
3337
3338 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
3339
3340         PR bootstrap/40558
3341         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
3342         darwin9 for printing reg addresses with %y.
3343
3344 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
3345
3346         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
3347         truncation from operands in binary operations.
3348
3349 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
3350
3351         Revert:
3352         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
3353         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3354         subreg of op0 to the original op0.
3355
3356         * expmed.c (store_bit_field_1): Use a temporary as the destination
3357         instead of a paradoxical subreg when we need to truncate the result.
3358
3359 2009-07-01  DJ Delorie  <dj@redhat.com>
3360
3361         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
3362         names to VLIW variants.
3363         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
3364         * config/mep/intrinsics.md: Regenerate.
3365         * config/mep/intrinsics.h: Regenerate.
3366         * config/mep/mep-intrin.h: Regenerate.
3367
3368 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR debug/40462
3371         * jump.c (returnjump_p): Revert last patch.
3372         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
3373
3374 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3375
3376         PR target/40575
3377         * pa.md (casesi32p): Use jump table label to determine the offset
3378         of the jump table.
3379         (casesi64p): Likewise.
3380
3381         * pa.c (forward_branch_p): Return bool type.  Use instruction
3382         addresses when available.  Assert that INSN has a jump label.
3383         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
3384         have a jump label.
3385
3386 2009-07-01  Richard Guenther  <rguenther@suse.de>
3387
3388         PR tree-optimization/19831
3389         * tree-ssa-dce.c (propagate_necessity): Calls to functions
3390         that only act as barriers do not make any previous stores necessary.
3391         * tree-ssa-structalias.c (handle_lhs_call): Delay making
3392         HEAP variables global, do not add a constraint from nonlocal.
3393         (find_func_aliases): Handle escapes through return statements.
3394         (compute_points_to_sets): Make escaped HEAP variables global.
3395
3396 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
3397
3398         PR bootstrap/40597
3399         * expmed.c (emit_store_flag): Perform a conversion if necessary,
3400         after reducing a DImode cstore to SImode.
3401
3402 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
3403
3404         * expr.c (expand_expr_real_1): Reinstate fallthrough to
3405         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
3406
3407 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
3408
3409         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
3410         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
3411         to 0.
3412         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
3413         and umod_optab if TARGET_BSD_DIVMOD.
3414         * config/vax/lib1funcs.asm: New file.
3415         * config/vax/t-linux: New file.
3416         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
3417
3418 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
3419
3420         PR c++/40566
3421         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
3422         to type arguments that have void type.
3423
3424         PR debug/40573
3425         * dwarf2out.c (gen_formal_parameter_die): Call
3426         equate_decl_number_to_die if node is different from origin.
3427
3428 2009-06-30  Anthony Green  <green@moxielogic.com>
3429
3430         Clean up moxie port for --enable-build-with-cxx.