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