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* config/alpha/alpha.c (vms_valid_pointer_mode): New function.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
2
3         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
4         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
5
6 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
7
8         * doc/invoke.texi (Target options):
9         Add new option list for IA-64/VMS.
10         (menu): Add IA-64/VMS Options.
11         (IA-64/VMS Options): Likewise.
12
13 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
14
15         PR target/38599
16         * config/mips/mips.md (*lwxs): Use :P for pointer values.
17
18 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
19
20         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
21         (mips_pop_asm_switch): Likewise.
22         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
23         with...
24         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
25         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
26         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
27         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
28         instead of set_noreorder.
29         (mips_output_function_prologue): Use the new functions.
30         (mips_output_function_epilogue): Likewise.
31         (mips_need_noat_wrapper_p): New function, split out from...
32         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
33         Use mips_push_asm_switch and mips_pop_asm_switch.
34         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
35         and mips_pop_asm_switch.
36         (ASM_OUTPUT_REG_POP): Likewise.
37         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
38         Use mips_pop_asm_switch.
39         (mips_asm_switch): New structure.
40         (set_noreorder, set_nomacro): Replace with...
41         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
42         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
43         instead of set_nomacro.
44         (fix_truncsfsi2_macro): Likewise.
45         (cprestore): Likewise.
46         (hazard): Use mips_noreorder instead of set_noreorder.
47         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
48
49 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
50
51         * config/alpha/alpha.c (alpha_and_function): Handle NULL_RTX returned
52         from prev_active_insn.
53
54 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
55
56         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
57         * config/avr/avr.c (avr_override_options): Initialize
58         avr_current_arch variable.
59         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
60         __AVR_HAVE_16BIT_SP__ according to the device type.
61         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
62         TARGET_TINY_STACK.
63         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
64         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
65
66 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
67
68         PR debug/37801
69         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
70         generating inlined subroutine die only. We shouldn't be
71         called for anything else.
72         (gen_block_die): Don't generate inline subroutine debug info for
73         abstract blocks.
74
75 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
76
77         * graphite-poly.c (print_pbb): Print PBB index.
78
79 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
80
81         PR middle-end/40981
82         * graphite-interchange.c (ppl_max_for_le): Moved...
83         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
84         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
85         ppl_Pointset_Powerset_C_Polyhedron_maximize.
86         * graphite-ppl.h (ppl_max_for_le): Declared.
87
88 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
89
90         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
91         supported on all platforms.
92         * target.h (struct gcc_target): Remove
93         handle_pragma_redefine_extname.
94         * c-cppbuiltin.c: Remove use of
95         targetm.handle_pragma_redefine_extname.
96         * c-pragma.c: Likewise.
97         * target-def.h (TARGET_INITIALIZER): Remove
98         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
99         * config/sol2.h: Remove use of
100         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
101
102 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
103
104         * config/ia64/fde-vms.c: New file.
105         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
106         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
107         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
108         (uw_frame_state_for): Only register a personality routine if it is
109         known to be compatible with our expectations.
110         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
111         Declare unw_table_entry stack variable and
112         mod all calls to _Unwind_FindTableEntry to add arg.
113         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
114         (_Unwind_FindTableEntry): Add arg to prototype.
115
116 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
117
118         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
119         field 'signal_pfs_loc'.
120         (uw_frame_state_for): Remove duplicate code dealing with leaf
121         procedures without unwind info.
122         If in the frame after unwinding through a signal handler, restore
123         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
124         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
125         'pfs_loc' to the AR.PFS location in the signal context; instead
126         set 'signal_pfs_loc'.
127         Manually generate the unwind info for the AR.PFS register.
128         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
129         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
130         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
131         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
132         instead set 'signal_pfs_loc'.
133         Remove code preventing the AR.PFS register from being restored
134         from the signal context.
135
136 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
137             Tristan Gingold  <gingold@adacore.com>
138
139         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
140         * config/ia64/t-vms: New file.
141         * config/ia64/vms64.h: New file.
142         * config/ia64/vms.h: New file.
143         * config/ia64/vms-crtinit.asm: New file.
144         * config/ia64/vms_symvec_libgcc_s.opt: New file.
145         * config/ia64/vms-unwind.h: New file.
146
147 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
148
149         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
150         TFmode compares.
151
152 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
153
154         PR middle-end/30789
155         * builtins.c (do_mpc_arg2): Make extern, define for any MPC
156         version.  Move declaration...
157         * real.h (do_mpc_arg2): ... here.
158         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
159         and RDIV_EXPR.
160
161 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
162
163         * final.c (add_debug_prefix_map): Don't use GC memory for
164         old_prefix and new_prefix.
165
166 2009-08-14  Richard Guenther  <rguenther@suse.de>
167
168         * ipa-prop.c (compute_complex_pass_through): If we cannot
169         compute a non-varying offset for IPA_JF_ANCESTOR punt.
170
171 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
172
173         * c-lex.c (c_lex_with_flags): Increase size of local variable
174         to avoid memory clobber.
175
176 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
177
178         PR target/40934
179         * config/i386/i386.c (ix86_fp_comparison_strategy):
180         Only enable/disable sahf at function granularity.
181
182 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
183
184         PR rtl-optimization/41064
185         * reload1.c (reload_as_needed): Don't call extract_insn
186         for known invalid replacements after calling
187         validate_replace_rtx_group and verify_changes.
188
189 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
190
191         PR target/41019
192         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
193         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
194         ix86_expand_fp_vcond.
195         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
196         Assert that operation is supported by ix86_expand_int_vcond.
197         (vcondu<SSEMODE124C8:mode>): Ditto.
198
199 2009-08-13  DJ Delorie  <dj@redhat.com>
200
201         * config/i386/djgpp-stdint.h: New.
202         * config.gcc (djgpp): Use it.
203
204 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
205
206         * config/sh/sh.c (sh_override_options): When flag_exceptions or
207         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
208
209 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
210
211         * tree-ssa-loop-prefetch.c
212         (prune_ref_by_group_reuse): Enhance probabilistic analysis
213         for long-stride pruning.
214         (compute_miss_rate): New function to compute the probability
215         that two memory references access different cache lines.
216
217 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
218
219         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
220
221 2009-08-13  Richard Guenther  <rguenther@suse.de>
222
223         PR middle-end/41047
224         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
225         use the constant pointer type.
226         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
227         of CV qualifiers on the target pointer type.
228         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
229         conversion check before restrict check.
230
231 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
232
233         PR target/41029
234         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
235
236 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
237
238         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
239
240 2009-08-12  Richard Guenther  <rguenther@suse.de>
241
242         PR tree-optimization/41011
243         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
244         and reference constructing.
245
246 2009-08-12  Xinliang David Li  <davidxl@google.com>
247
248         PR tree-optimization/41012
249         * tree-flow.h : New external interface.
250         * gimple-low.c (check_call_arg): Change to public function.
251         Remove argument mismatch check in lowering.
252         * tree-inline.h (tree_can_inline_p): Interface change.
253         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
254         into this function.
255         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
256         Call change to tree_can_inline_p function.
257         (cgraph_decide_inlining_incrementally): Ditto.
258
259 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
260
261         PR tree-optimization/41031
262         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
263         on the partition variable rather than promote_mode on the source
264         type.  Assert that the partition variable's type has the same
265         mode as the source value's.
266
267 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
268
269         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
270         for for_return == 2.
271         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
272         comments.
273         * calls.c (expand_call): Fix typo.
274         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
275         and PARM_DECL.
276         * stmt.c (expand_value_return): Use promote_function_mode to copy out
277         of pseudo.
278         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
279         * config/cris/cris.c (cris_promote_function_mode): Likewise.
280         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
281         * config/pa/pa.c (pa_promote_function_mode): Likewise.
282
283 2009-08-11  Andrew Haley  <aph@redhat.com>
284
285         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
286
287 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
288
289         PR bootstrap/40103
290         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
291
292 2009-08-12  Richard Guenther  <rguenther@suse.de>
293
294         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
295         * gimplify.c (gimplify_modify_expr): Do not use
296         lang_hooks.types_compatible_p.
297         * tree-ssa.c (useless_type_conversion_p): For aggregates
298         just return false if the canonical types differ.
299
300 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
301
302         PR middle-end/40980
303         * sese.c (convert_for_phi_arg): New.
304         (add_guard_exit_phis): Use convert_for_phi_arg.
305
306 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
307
308         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
309         unknown subscript upper bounds.
310
311 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
312             Pranav Garg  <pranav.garg2107@gmail.com>
313
314         * graphite-interchange.c (gather_access_strides): Removed.
315         (ppl_max_for_le): New.
316         (build_linearized_memory_access): New.
317         (memory_stride_in_loop): New.
318         (pbb_interchange_profitable_p): Reimplemented.
319         * graphite-ppl.h (ppl_new_id_map): New.
320         (ppl_interchange): New.
321
322 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
323
324         * graphite-interchange.c (compute_subscript): Removed.
325         (compute_array_size_cstr): Removed.
326         (compute_array_size_poly): Removed.
327         (compute_array_size): Removed.
328         (gather_access_strides_poly): Removed.
329         (gather_access_strides): Empty.
330
331 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
332
333         * graphite-dependences.c (dependence_polyhedron_1): Replace
334         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
335         (graphite_legal_transform_dr): Same.
336         (graphite_carried_dependence_level_k): Same.
337         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
338         Initialize PDR_NB_SUBSCRIPTS.
339         (print_pdr_access_layout): Replace pdr_nb_subscripts with
340         PDR_NB_SUBSCRIPTS.
341         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
342         (PDR_NB_SUBSCRIPTS): New.
343         (pdr_nb_subscripts): Removed.
344         (pdr_dim): Simplified.
345         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
346         with PDR_NB_SUBSCRIPTS.
347
348 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
349
350         * graphite-interchange.c (compute_array_size): Remove use of
351         PDR_DATA_CONTAINER.
352         * graphite-poly.c (new_poly_dr): Remove argument data_container.
353         Do not initialize PDR_DATA_CONTAINER.
354         (print_pdr): Do not print PDR_DATA_CONTAINER.
355         * graphite-poly.h (struct poly_dr): Remove data_container field.
356         (PDR_DATA_CONTAINER): Removed.
357         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
358         PDR_DATA_CONTAINER.
359         (build_poly_dr): Same.
360
361 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
362             Sebastian Pop  <sebastian.pop@amd.com>
363
364         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
365         copy of the dependence polyhedron.  Free the temporary objects.
366         (graphite_carried_dependence_level_k): Free unused objects before
367         returning.
368
369         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
370         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
371         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
372         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
373         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
374
375 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
376
377         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
378         Early return without analyzing the data dependences if no
379         transform has been done.  Call restore_scattering if the transform
380         is not legal.
381         (graphite-interchange.c): Same.
382         * graphite-poly.c (print_scattering_function): Test for
383         PBB_TRANSFORMED.
384         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
385         (apply_poly_transforms): Do not gcc_assert that
386         the transform is legal.
387         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
388         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
389         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
390         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
391         * graphite-poly.h (struct poly_scattering): New.
392         (struct poly_bb): Add original, transformed, and saved fields.
393         Remove transformed_scattering, original_scattering,
394         nb_local_variables and nb_scattering_transform fields.
395         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
396         (poly_scattering_new): New.
397         (poly_scattering_free): New.
398         (poly_scattering_copy): New.
399         (store_scattering_pbb): New.
400         (store_scattering): New.
401         (restore_scattering_pbb): New.
402         (restore_scattering): New.
403         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
404         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
405
406 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
407
408         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
409         (print_scop): Same.
410
411 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
412
413         * Makefile.in (graphite.o): Depends on PREDICT_H.
414         * graphite.c: Include predict.h.
415         (graphite_finalize): Call tree_estimate_probability.
416         * predict.c (predict_loops): Do not call scev_initialize and
417         scev_finalize.
418         (tree_estimate_probability_bb): New.
419         (tree_estimate_probability): Do not initialize loops: move that
420         code to the driver.  Call tree_estimate_probability_bb.
421         (tree_estimate_probability_driver): New.
422         (pass_profile): Use tree_estimate_probability_driver.
423         * predict.h (tree_estimate_probability): Declared.
424
425 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
426
427         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
428         * graphite-dependences.c (graphite_legal_transform): Add time to
429         TV_GRAPHITE_DATA_DEPS.
430         (dependency_between_pbbs_p): Same.
431         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
432
433 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
434
435         PR rtl-optimization/41033
436         * alias.c (nonoverlapping_component_refs_p): Punt when strict
437         aliasing is disabled.
438
439 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
440
441         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
442         si_mask_operand, and_load_operand, low_bitmask_operand,
443         and_reg_operand, and_operand): New predicates.
444         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
445         * config/mips/mips.c (and_operands_ok): New function.
446         * config/mips/mips-protos.h (and_operands_ok): Declare it.
447         * config/mips/mips.md (move_type): Add ext_ins and logical.
448         (type): Handle them.
449         (and<mode>3): Use and_reg_operand as the second operand's predicate.
450         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
451         shift_shift.  Remove commutative constraint modifier.
452         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
453         shift_shift.
454         (*clear_upper32_dext): Remove define_insn_and_split.
455         (*clear_upper32): Turn this define_insn_and_split ...
456         (splitter for ANDing register with 0xffff_ffff): .. into this.
457
458 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
459
460         * combine.c (try_widen_shift_mode): Factor out code to check if an
461         integer constant is a low-order bitmask from here ...
462         * rtlanal.c (low_bitmask_len): ... to here.
463         * rtl.h (low_bitmask_len): Declare.
464
465 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
466
467         PR target/8603
468         * config/alpha/alpha.md (addsi3): Remove expander.
469         (addsi3): Rename from *addsi3_internal insn pattern.
470         (subsi3): Remove expander.
471         (subsi3): Rename from *subsi3_internal insn pattern.
472
473 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
474
475         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
476         FWRITE_UNLOCKED.
477
478 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
479             Eric Botcazou  <botcazou@adacore.com>
480             Douglas B Rupp  <rupp@gnat.com>
481
482         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
483         that records that fit in 64 bits are returned by immediate value,
484         as required by OpenVMS Calling Standard.
485         (function_value): Adjust for above modification.
486         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
487         virtual_incoming_args_rtx as base object, not next_arg.
488         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
489
490 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
491
492         * reload.c (find_reloads_subreg_address): Check the original
493         req_equiv_mem address to detect the case where an address is
494         not valid in the outer mode.
495
496 2009-08-11  Richard Guenther  <rguenther@suse.de>
497
498         PR bootstrap/40788
499         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
500
501 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
502
503         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
504         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
505
506 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
507             Douglas B Rupp  <rupp@gnat.com>
508
509         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
510         PT_STACK when frame_pointer_needed on OpenVMS.
511         (alpha_pv_save_size, alpha_using_fp): Remove.
512         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
513         with proper processing for PT_NULL.
514         (alpha_vms_initial_elimination_offset): New function. Support for
515         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
516         (alpha_sa_size): Force procedure type to PT_STACK when
517         frame_pointer_needed on OpenVMS.
518         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
519         (alpha_using_fp): Likewise.
520         (alpha_vms_can_eliminate): Add prototype.
521         (alpha_vms_initial_elimination_offset): Likewise.
522         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
523         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
524
525 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
526             Douglas B Rupp  <rupp@gnat.com>
527
528         * config/alpha/alpha.c (common_object_handler): New function.
529         (vms_attribute_table): Declare a single attribute "common_object".
530         (vms_output_aligned_decl_common): New global function.
531         (SECTION_VMS_OVERLAY): Delete.
532         (SECTION_VMS_GLOBAL): Likewise.
533         (SECTION_VMS_INITIALIZE): Likewise.
534         (vms_asm_named_section): Remove support for above flags.
535         (vms_section_type_flags): Delete.
536         (TARGET_SECTION_TYPE_FLAGS): Likewise.
537         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
538         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
539         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
540
541 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
542
543         PR target/41015
544         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
545         (sub_ddmmss): Likewise.
546
547 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
548
549         PR bootstrap/41018
550         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
551         year.
552
553 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
554
555         PR target/37053
556         * reload1.c (reload_as_needed): Use cancel_changes to completely
557         undo a failed replacement attempt.
558
559 2009-08-10  Richard Guenther  <rguenther@suse.de>
560
561         PR middle-end/41006
562         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
563         (useless_type_conversion_p): ... here.  Require pointer targets
564         to be compatible.
565
566 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
567
568         PR c++/40866
569         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
570         loose the original type of the statement list.
571
572 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
573
574         * config/alpha/alpha.c: Include libfuncs.h
575         (avms_asm_output_extern): New function.
576         (alpha_init_libfuncs): Init some decc libfuncs.
577         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
578         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
579         (DO_CRTL_NAMES): Define.
580         (LIB_SPEC): Remove.
581         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
582         (LONG_TYPE_SIZE): Define.
583         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
584         (SUBTARGET_SWITCHES): Define malloc64 switch.
585         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
586         (MASK_RETURN_ADDR): Define.
587         doc/invoke.texi (mmalloc64): Document switch.
588
589 2009-08-09  Olivier Hainque  <hainque@adacore.com>
590             Douglas B Rupp  <rupp@gnat.com>
591
592         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
593         uses_condition_handler.
594         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
595         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
596         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
597         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
598         (code_for_builtin): New insn codes for the new alpha_builtins.
599         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
600         (alpha_sa_size): Account for uses_condition_handler.
601         (alpha_expand_prologue): Likewise.
602         (alpha_start_function): Likewise.
603         (alpha_expand_epilogue): Likewise.
604         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
605         establish/revert expanders.
606         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
607         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
608         New expander, resorting to the alpha.c associated function.
609         (builtin_revert_vms_condition_handler): Likewise.
610         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
611         __gcc_shell_handler, the static VMS condition handler used as
612         an indirection wrapper to the current dynamically established
613         handler.
614         * config/alpha/vms-unwind.h: Complete rewrite.
615         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
616         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
617
618 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
619             Douglas B Rupp  <rupp@gnat.com>
620
621         * config/alpha/alpha.c (alpha_links): Add 'target' field.
622         (alpha_need_linkage): Handle aliases.  Return function symbol.
623         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
624         Use ultimate alias target for the linkage name.
625         * config/alpha/alpha.md (movmemdi): Use the symbol returned
626         by alpha_need_linkage for the function symbol.
627         (setmemdi): Likewise.
628
629 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
630
631         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
632         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
633         (ASM_WEAKEN_LABEL): Define.
634         (CRT_CALL_STATIC_FUNCTION): Define.
635         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
636         (ENDFILE_SPEC): Define.
637         (INIT_SECTION_ASM_OP): Define.
638         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
639         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
640         crtend.o crtendS.o.
641         (MULTILIB_OSDIRNAMES): Define.
642         (shlib_version): Define.
643         (SHLIB_EXT): Define.
644         (SHLIB_OBJS): Define.
645         (SHLIB_NAME): Define.
646         (SHLIB_MULTILIB): Define.
647         (SHLIB_INSTALL): Define.
648         (SHLIB_SYMVEC): Define.
649         (SHLIB_SYMVECX2): Define.
650         (SHLIB_LINK): Define.
651
652 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
653
654         * config/alpha/alpha.c (alpha_initialize_trampoline):
655         Initialize VMS trampoline IAW ABI for bounded procedure calls.
656         (alpha_start_function): Emit transfer address on nested functions
657         for VMS trampoline call.
658         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
659         since no longer used.
660         * config/alpha/vms-tramp.asm: Remove.
661         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
662         since now only data initialized at runtime.
663
664 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
665
666         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
667         (LINK_GCC_C_SEQUENCE_SPEC): Define.
668         (MD_EXEC_PREFIX): Remove, no longer used.
669         (MD_STARTFILE_PREFIX): Likewise.
670         (INCLUDE_DEFAULTS): Likewise.
671         * config/alpha/t-vms:
672         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
673
674 2009-08-09  Richard Guenther  <rguenther@suse.de>
675
676         PR tree-optimization/41016
677         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
678         (operand_precision): Remove.
679         (integral_operand_p): Likewise.
680         (recognize_single_bit_test): Adjust.
681
682 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
683
684         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
685         operation overflows.  Likewise non-cast unary arithmetic.
686         If one arm of a conditional expression is always taken,
687         inhibit evaluation warnings for the other arm.  Likewise inhibit
688         evaluation warnings for the second && or || operand if the first
689         operand is enough to determine the result.
690         * c-typeck.c (build_conditional_expr): Apply the same inhibition
691         rules here.
692         (build_binary_op): Prevent duplicate evaluation warnings.
693
694 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
695
696         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
697         and destination have different modes, Use promote_mode to
698         determine the signedness of the conversion.  Assert that the
699         promoted source mode matches the destination mode.  Don't pass
700         the destination and destination mode to expand_expr if the source
701         mode is different.  Simplify conversion logic.
702
703 2009-08-09  Ira Rosen  <irar@il.ibm.com>
704
705         PR tree-optimization/41008
706         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
707         from condition only in case it's a comparison. Adjust checks.
708
709 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
710
711         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
712         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
713         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
714         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
715         (dump_cand): Handle them.
716         (struct iv_cand): New members COST_STEP and AINC_USE.
717         (stmt_after_increment): Likewise.
718         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
719         callers changed.  Use gimple_uid comparison instead of scanning.
720         (add_candidate_1): When looking for identical candidates, take
721         AINC_USE into account.  Set it for new candidates.
722         (force_expr_to_var_cost): Cast target_spill_cost to int.
723         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
724         All callers changed.  Check for availability of autoinc addressing
725         modes, both in general for a given mode, and in the specific use case.
726         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
727         changed.
728         (get_computation_cost): Likewise.
729         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
730         add_autoinc_candidates): New static functions.
731         (add_candidate): Call add_autoinc_candidates for candidates based on
732         a USE_ADDRESS use.
733         (find_iv_candidates): Call set_autoinc_for_original_candidates.
734         (determine_use_iv_cost_address): If we have an autoinc candidate at
735         the matching use, verify autoinc is possible and subtract the cost
736         of the candidate's step from the cost.
737         (determine_iv_cost): Record the cost of the increment in the COST_STEP
738         member of the candidate.
739         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
740         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
741
742 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
743
744         * config.build (ia64-hp-*vms*): New target.
745         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
746         with ia64-hp-*vms*.
747         * config.gcc (ia64-hp-*vms*): New target.
748         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
749         with ia64-hp-*vms*.
750         * config.host (ia64-hp-*vms*): New target.
751         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
752         with ia64-hp-*vms*.
753
754 2009-08-08  Richard Guenther  <rguenther@suse.de>
755
756         PR tree-optimization/40991
757         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
758
759 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
760
761         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
762         mode check.  Do truncations in an integer mode.
763         (force_to_mode): Handle subregs for all mode types.  Only do
764         arithmetic simplifications on integer modes.
765
766 2009-08-07  Richard Guenther  <rguenther@suse.de>
767
768         PR tree-optimization/40999
769         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
770         (maybe_fold_reference): Lookup constant initializers.
771         (fold_gimple_assign): Likewise.
772
773 2009-08-07  Richard Guenther  <rguenther@suse.de>
774
775         * tree-ssa.c (useless_type_conversion_p_1): Only for types
776         that require structural equality defer to the langhook.
777
778 2009-08-07  Martin Jambor  <mjambor@suse.cz>
779
780         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
781         comments.
782         (struct ipa_pass_through_data): New type.
783         (struct ipa_ancestor_jf_data): New type.
784         (union jump_func_value): Removed field formal_id, added fields
785         pass_through and ancestor.
786         (struct ipa_param_call_note): Changed type of formal_id to int from
787         unsigned.
788         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
789         operations jump functions and ancestor jump functions.
790         (compute_complex_pass_through): New function.
791         (compute_scalar_jump_functions): Call compute_complex_pass_through,
792         reflect changes in the jump function strucutre.
793         (update_jump_functions_after_inlining): Ignore complex pass-through
794         and ancestor jump functions.
795         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
796         polynomial pass-through with operation jump functions.
797
798 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
799
800         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
801         fde->dw_fde_begin as begin label instead of hot/cold label.
802         Use LLSDAC label instead of LLSDA for second section lsda.
803         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
804         label instead of LLSDA if it is true.
805         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
806         callers.
807         * except.c (add_call_site, dw2_size_of_call_site_table): Add
808         SECTION argument.  Use it as index into crtl->eh.call_site_record
809         array.
810         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
811         use it to determine how to print table entries instead of using
812         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
813         label instead of normal begin label as base.
814         (sjlj_assign_call_site_values): Adjust add_call_site caller.
815         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
816         ensure no EH range spans between sections and that landing pads
817         are always in the corresponding section.
818         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
819         for crtl->eh.call_site_record being an array rather than scalar.
820         (output_one_function_exception_table): New function, copied
821         from output_function_exception_table.  Adjust
822         dw2_size_of_call_site_table, dw2_output_call_site_table
823         callers.  For SECOND section use *C suffixed labels.
824         (output_function_exception_table): Call
825         output_one_function_exception_table and, when doing hot/cold
826         partitioning, also another time for the second section.
827         * opts.c: Include except.h.
828         (decode_options): Allow -freorder-blocks-and-partition with
829         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
830         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
831         * function.h (struct rtl_eh): Change call_site_record from
832         scalar into array of 2 elements.
833
834 2009-08-07  Martin Jambor  <mjambor@suse.cz>
835
836         * ipa-prop.c (count_formal_params_1): New function.
837         (ipa_get_vector_of_formal_parms): New function.
838         (get_vector_of_formal_parm_types): New function.
839         (ipa_modify_formal_parameters): New function.
840         (ipa_modify_call_arguments): New function.
841         (index_in_adjustments_multiple_times_p): New function.
842         (ipa_combine_adjustments): New function.
843         (ipa_dump_param_adjustments): New function.
844         * ipa-prop.h (struct ipa_parm_adjustment): New type.
845         (ipa_get_vector_of_formal_parms): Declare.
846         (ipa_modify_formal_parameters): Declare.
847         (ipa_modify_call_arguments): Declare.
848         (ipa_combine_adjustments): Declare.
849         (ipa_dump_param_adjustments): Declare.
850         (build_ref_for_offset): Declare.
851         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
852         * tree-sra.c: Include ipa-prop.c.
853         (build_ref_for_offset): Make public.
854
855 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
856
857         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
858
859 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
860
861         * gcc/doc/extend.texi (__builtin_extract_return_address)
862         (__builtin_frob_return_address): Document.
863
864 2009-08-06  Paul Brook  <paul@codesourcery.com>
865
866         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
867         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
868         implementation on ARMv6-M.
869
870 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
871
872         * doc/extend.texi (pcs): Document new attribute for ARM.
873
874 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
875
876         * arm.c (pcs_attribute_args): Comment out unsupported attribute
877         variants.
878
879 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
880
881         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
882         warning ().
883
884 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
885
886         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
887
888 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
889
890         Merge ARM/hard_vfp_branch to trunk.
891
892         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
893
894         * arm.c (libcall_eq): New function.
895         (libcall_hash): New function.
896         (add_libcall): New function.
897         (arm_libcall_uses_aapcs_base): New function.
898         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
899         libcalls using the base PCS.
900         (arm_init_cumulative_args): Likewise.
901
902         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
903
904         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
905         Use base ABI for conversion libfuncs between HFmode and SFmode.
906
907         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
908
909         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
910         V4SImode as representatives of all 64-bit and 128-bit vector
911         types.  Allow vector types without vector modes.
912         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
913         without vector modes like BLKmode.
914         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
915         BLKmode.  Avoid unsupported vector modes or TImode moves for
916         non-TARGET_NEON.
917         (aapcs_vfp_allocate_return_reg): Likewise.
918         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
919         V8QImode if TARGET_NEON || TARGET_IWMMXT.
920
921         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
922
923         * config/arm/arm.c (arm_handle_pcs_attribute): New.
924         (arm_get_pcs_model): Pass attribute arguments to
925         arm_pcs_from_attribute.
926         (arm_init_cumulative_args): Use base AAPCS for conversions from
927         floating-point types to DImode.
928         (arm_attribute_table): Add pcs attribute.
929         (arm_handle_pcs_attribute): New.
930         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
931         conversions from floating-point types to DImode, also declare them
932         to use base AAPCS and declare functions they call to use base
933         AAPCS and their RTABI names.
934
935         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
936
937         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
938         -mfloat-abi=hard not being supported for VFP.
939
940         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
941
942         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
943         SYMBOL_REF to hard_libcall_value.
944
945         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
946             Richard Earnshaw  <rearnsha@arm.com>
947
948         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
949         has been put on the stack, all remaining co-processory arguments for
950         that co-processor also go on the stack.
951
952         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
953
954         * config/arm/arm.c (arm_return_in_memory): Handle returning
955         vectors of suitable size in registers also for AAPCS case.
956
957         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
958
959         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
960
961         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
962
963         ARM Hard-VFP calling convention
964         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
965         * target.h (gcc_target): Add libcall_value to table of call hooks.
966         * targhooks.h (default_libcall_value): Default implementation.
967         * targhooks.c (default_libcall_value): Likewise.
968         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
969         * optabs.c (expand_unop): Use it.
970         * expr.h (hard_libcall_value): Pass the function RTX through.
971         * calls.c (emit_library_call_value_1): Update call to
972         hard_libcall_value.
973         * explow.c (hard_libcall_value): Use new target hook.
974         * testsuite/lib/target-supports.exp
975         (check_effective_target_arm_hard_vfp_ok): New hook.
976         (check_effective_target_arm_neon_ok): Improve test for neon
977         availability.
978         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
979         * config/arm/arm.c: Include cgraph.h
980         (TARGET_FUNCTION_VALUE): Override default hook.
981         (arm_pcs_default): New variable.
982         (arm_override_options): Don't fault hard calling convention with VFP.
983         Add support for AAPCS variants.
984         (arm_function_value): Make static.  Handle AAPCS variants.
985         (arm_libcall_value): New function.
986         (arm_apply_result_size): Handle VFP registers in results.
987         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
988         conventions.
989         (pcs_attribute_args): New variable.
990         (arm_pcs_from_attribute): New function.
991         (arm_get_pcs_model): New function.
992         (aapcs_vfp_cum_init): New function.
993         (aapcs_vfp_sub_candidate): New function.
994         (aapcs_vfp_is_return_candidate): New function.
995         (aapcs_vfp_is_call_candidate): New function.
996         (aapcs_vfp_allocate): New function.
997         (aapcs_vfp_allocate_return_reg): New function.
998         (aapcs_vfp_advance): New function.
999         (aapcs_cp_arg_layout): New variable.
1000         (aapcs_select_call_coproc): New function.
1001         (aapcs_select_return_coproc): New function.
1002         (aapcs_allocate_return_reg): New function.
1003         (aapcs_libcall_value): New function.
1004         (aapcs_layout_arg): New function.
1005         (arm_init_cumulative_args): Initialize AAPCS args data.
1006         (arm_function_arg): Handle AAPCS variants using new interface.
1007         (arm_arg_parital_bytes): Likewise.
1008         (arm_function_arg_advance): New function.
1009         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
1010         calling conventions.
1011         (arm_setup_incoming_varargs): Handle new AAPCS args data.
1012         * arm.h (NUM_VFP_ARG_REGS): Define.
1013         (LIBCALL_VALUE): Update.
1014         (FUNCTION_VALUE): Delete.
1015         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
1016         (arm_pcs): New enum.
1017         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
1018         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
1019         (FUNCTION_ARG_REGNO_P): Add VFP regs.
1020         * arm-protos.h (arm_function_arg_advance): Add.
1021         (aapcs_libcall_value): Add.
1022         (arm_function_value): Delete.
1023
1024 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
1025             H.J. Lu  <hongjiu.lu@intel.com>
1026
1027         PR target/40957
1028         * config/i386/i386.c (standard_sse_mode_p): Remove.
1029         (standard_sse_constant_p): Return 2 for integer mode
1030         vector_all_ones_operand when SSE2 is enabled.
1031         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
1032         (ix86_expand_vector_move): Do not check for negative values from
1033         standard_sse_constant_p.
1034
1035 2009-08-06  Richard Guenther  <rguenther@suse.de>
1036
1037         * tree-ssa.c (useless_type_conversion_p_1): Make function and
1038         array type comparisons frontend independent.
1039         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
1040         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
1041         out array reference lower bound and element size operands.
1042         (ao_ref_init_from_vn_reference): Properly compute the offset
1043         for ARRAY_RANGE_REF.
1044         (vn_reference_fold_indirect): Fill out array reference lower
1045         bound and element size operands.
1046         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
1047         a non gimple valued reference operand which can happen for
1048         array reference lower bound or element size.
1049         (create_component_ref_by_pieces_1): Properly generate the
1050         element size operand for array references.
1051
1052 2009-08-06  Richard Guenther  <rguenther@suse.de>
1053
1054         PR tree-optimization/40964
1055         * tree.c (iterative_hash_host_wide_int): Export.
1056         * tree.h (iterative_hash_host_wide_int): Declare.
1057         * tree-ssa-structalias.c (heapvar_map): New struct.
1058         (heapvar_map_eq): New function.
1059         (heapvar_map_hash): Likewise.
1060         (heapvar_lookup): Adjust.
1061         (heapvar_insert): Likewise.
1062         (make_constraint_from_heapvar): Allow multiple heap variables
1063         per decl at different offsets.
1064         (init_alias_heapvars): Adjust.
1065
1066 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
1067
1068         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
1069         * mips_output_sync_loop (mips_output_sync_loop): Only emit
1070         trailing sync if TARGET_SYNC_AFTER_SC.
1071
1072 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
1073
1074         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
1075         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
1076         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
1077         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
1078         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1079         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1080         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1081         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
1082         test_and_set_12): Rewrite calls to mips_output_sync_loop.
1083         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
1084         the prototype declaration match the definition.
1085         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
1086         instructions explicitly.  Add barrier_before and operands
1087         parameters.
1088         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
1089         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
1090         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
1091         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1092         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
1093         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
1094
1095 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
1096
1097         * tree-ssa-alias.c: Fix intervals to use [) syntax.
1098
1099 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
1100             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1101
1102         PR target/40906
1103         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
1104         source operand.
1105
1106 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR rtl-optimization/40924
1109         * dse.c (canon_address): Before calling cselib_expand_value_rtx
1110         make sure canon_rtx (mem_address) isn't simpler than
1111         canon_rtx (expanded_mem_address).
1112
1113 2009-08-05  Li Feng  <nemokingdom@gmail.com>
1114
1115         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
1116         for each poly_bb_p.
1117         (build_scop_drs): Build alias set for each SCoP.
1118
1119 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
1120
1121         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
1122         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
1123         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
1124         (MIPS_ARCH_FLOAT_SPEC): Likewise.
1125         (BASE_DRIVER_SELF_SPECS): Likewise.
1126
1127 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
1128
1129         * tree-ssa-alias.c: Fix some comment typos.
1130
1131 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1132
1133         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
1134         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
1135
1136 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
1137
1138         PR c/39902
1139         * simplify-rtx.c (simplify_binary_operation_1): Disable
1140         simplifications for decimal float operations.
1141
1142 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
1143
1144         PR middle-end/40943
1145         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
1146         operand of INDIRECT_REF.
1147
1148 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
1149
1150         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
1151         constants referencing TLS symbols.
1152
1153 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
1154
1155         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
1156         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
1157
1158 2009-08-03  Richard Guenther  <rguenther@suse.de>
1159
1160         * tree.c (make_vector_type): Build a main variant first,
1161         get the canonical one and then build the variant.
1162         * tree-ssa.c (useless_type_conversion_p_1): Handle
1163         fixed-point types.
1164         (useless_type_conversion_p): Conversions to pointers to
1165         incomplete record types are useless.
1166
1167 2009-08-03  Richard Guenther  <rguenther@suse.de>
1168
1169         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
1170         file will be created.
1171         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
1172         * toplev.c (compile_file): Adjust comment.
1173
1174 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1175
1176         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
1177         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
1178         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1179         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1180         (sh_promote_function_mode): Fix typo.
1181
1182 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1183
1184         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
1185
1186 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1187
1188         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
1189         declaration arguments.
1190
1191 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
1192
1193         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
1194         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
1195         (ix86_split_ashl): Ditto.
1196         (ix86_expand_vector_init_one_nonzero): Ditto.
1197         (ix86_expand_vector_set): Ditto.
1198         (ix86_expand_reduc_v4sf): Ditto.
1199
1200 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
1201
1202         * explow.c (promote_function_mode): Remove assert.
1203         * config/sh/sh.c (sh_promote_function_mode): Declare.
1204
1205 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1206
1207         * config/pa/pa.c (pa_promote_function_mode): Declare.
1208         Change to static.  Fix promote_mode call.
1209
1210         * gthr-dce.h (CONST_CAST2): Define if not defined.
1211         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
1212
1213         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
1214
1215 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
1216
1217         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1218         now write-only variable unsignedp.
1219         (expand_expr_real_1): Use promote_decl_mode.
1220         * expr.h (promote_function_mode, promote_decl_mode): New.
1221         (promote_mode): Remove last argument.
1222         * function.c (assign_temp): Drop last argument of promote_mode.
1223         (assign_parm_find_data_types): Use promote_function_mode.
1224         (assign_parm_setup_reg): Likewise.
1225         (expand_function_end): Use promote_function_mode.
1226         * calls.c (initialize_argument_information): Use promote_function_mode.
1227         (precompute_arguments): Use promote_mode instead of checking if
1228         only PROMOTE_FUNCTION_MODE is defined.
1229         (expand_call): When making sibcall decisions, use promote_function_mode.
1230         Below, remove an if for targetm.calls.promote_function_return and
1231         and use promote_function_mode.
1232         (emit_library_call_value_1): Use promote_function_mode, fix bug
1233         where promote_mode was passed FOR_CALL == 0 for a return value in an
1234         assertion.
1235         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1236         * explow.c (promote_function_mode, promote_decl_mode): New.
1237         (promote_mode): Keep only the FOR_CALL == 0 case.
1238         * combine.c (setup_incoming_promotion): Remove test of
1239         promote_function_args.  Use promote_function_mode.
1240         * stmt.c (expand_value_return): Use promote_decl_mode.
1241         (expand_decl): Use promote_decl_mode.
1242
1243         * expr.c (store_constructor): Use promote_decl_mode.  Remove
1244         now write-only variable unsignedp.
1245         (expand_expr_real_1): Use promote_decl_mode.
1246         * expr.h (promote_function_mode, promote_decl_mode): New.
1247         (promote_mode): Remove last argument.
1248         * function.c (assign_temp): Drop last argument of promote_mode.
1249         (assign_parm_find_data_types): Use promote_function_mode.
1250         (assign_parm_setup_reg): Likewise.
1251         (expand_function_end): Use promote_function_mode.
1252         * calls.c (initialize_argument_information): Use promote_function_mode.
1253         (precompute_arguments): Use promote_mode instead of checking if
1254         only PROMOTE_FUNCTION_MODE is defined.
1255         (expand_call): When making sibcall decisions, use promote_function_mode.
1256         Below, remove an if for targetm.calls.promote_function_return and
1257         and use promote_function_mode.
1258         (emit_library_call_value_1): Use promote_function_mode, fix bug
1259         where promote_mode was passed FOR_CALL == 0 for a return value in an
1260         assertion.
1261         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
1262         * explow.c (promote_function_mode, promote_decl_mode): New.
1263         (promote_mode): Keep only the FOR_CALL == 0 case.
1264         * combine.c (setup_incoming_promotion): Remove test of
1265         promote_function_args.  Use promote_function_mode.
1266         * stmt.c (expand_value_return): Use promote_decl_mode.
1267         (expand_decl): Use promote_decl_mode.
1268
1269         * explow.c (promote_function_mode): Just call the target hook.
1270         * targhooks.c (default_promote_function_mode,
1271         default_promote_function_mode_always_promote): New.
1272         * targhooks.h (default_promote_function_mode,
1273         default_promote_function_mode_always_promote): Declare.
1274         * target.h (promote_function_args, promote_function_return): Remove.
1275         (promote_function_mode): New.
1276         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
1277         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1278         (TARGET_PROMOTE_FUNCTION_MODE): New.
1279         (TARGET_CALLS): Adjust.
1280         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
1281         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
1282
1283         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
1284         * config/s390/s390.c (s390_promote_function_mode): ... here,
1285         with pointer handling.
1286         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1287         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1288
1289         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
1290         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
1291         with pointer handling.
1292         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1293         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1294
1295         * config/sh/sh-protos.h (sh_promote_function_mode): New.
1296         * config/sh/sh.c (sh_promote_function_mode): New.
1297         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1298         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1299
1300         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
1301         * config/cris/cris.c (cris_promote_function_mode): ... here.
1302         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1303         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1304
1305         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
1306         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
1307         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1308         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
1309
1310         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
1311         * config/arm/arm.c (arm_promote_function_mode): ... here, without
1312         complex type handling.
1313         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1314         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1315
1316         * config/pa/pa.c (pa_promote_function_mode): New.
1317         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1318         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1319
1320         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
1321         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
1322         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
1323         * config/xtensa/xtensa.c: Likewise.
1324         * config/stormy16/stormy16.c: Likewise.
1325         * config/iq2000/iq2000.c: Likewise.
1326         * config/rs6000/rs6000.c: Likewise.
1327         * config/picochip/picochip.c: Likewise.
1328         * config/arc/arc.c: Likewise.
1329         * config/mcore/mcore.c: Likewise.
1330         * config/score/score.c: Likewise.
1331         * config/mips/mips.c: Likewise.
1332         * config/bfin/bfin.c: Likewise.
1333         * config/ia64/ia64.c: Likewise (disabled though).
1334
1335         * config/frv/frv.h: Remove pointless remark.
1336
1337         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
1338         TARGET_PROMOTE_FUNCTION_ARGS,
1339         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
1340         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
1341
1342 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
1345         -floop-parallelize-all.
1346         * toplev.c (process_options): Rename flag_graphite_force_parallel to
1347         flag_loop_parallelize_all.
1348         * tree-ssa-loop.c (gate_graphite_transforms): Same.
1349         * graphite.c (graphite_transform_loops): Same.
1350         * common.opt: Same.
1351         * graphite-poly.c (apply_poly_transforms): Same.
1352
1353 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
1354
1355         PR tree-optimization/40914
1356         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
1357         if set, then check the delta field of the PMF record.
1358         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
1359         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
1360         call is stored in the delta.
1361
1362 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
1363
1364         * config/mips/mips.md (*clear_upper32_dext): New pattern.
1365
1366 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
1367
1368         * config/i386/bsd.h (ASM_BYTE): New define.
1369         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
1370         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
1371         .byte.  Use fputs or putc instead of fprintf where appropriate.
1372         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
1373         fputs or putc instead of fprintf where appropriate.
1374         * config/i386/i386elf.h: Ditto.
1375         * config/i386/sysv4.h: Ditto.
1376
1377         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
1378         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
1379         (*tls_global_dynamic_64): Ditto.
1380
1381 2009-07-31  Christian Bruel  <christian.bruel@st.com>
1382
1383         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
1384
1385 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1386
1387         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
1388         Remove dead code for MINUS.
1389
1390 2009-07-31  Anthony Green  <green@moxielogic.com>
1391
1392         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
1393         $r12 in prologue.
1394         (moxie_expand_epilogue): Ditto for epilogue.
1395         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
1396         incoming arguments.
1397         (moxie_function_arg): Ditto.
1398         (moxie_pass_by_reference): Ditto.
1399         (moxie_arg_partial_bytes): Ditto.
1400         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
1401         (FUNCTION_ARG_ADVANCE) Ditto.
1402         (REG_PARM_STACK_SPACE) Ditto.
1403         (FUNCTION_ARG_REGNO_P) Dito.
1404
1405         * config.gcc: Add moxie linux config support.
1406         * gcc/config/moxie/uclinux.h: New file.
1407
1408 2009-07-31  DJ Delorie  <dj@redhat.com>
1409
1410         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
1411         (UNSPECV_SP_SWITCH_E): New.
1412         (sp_switch_1): Change to an unspec.
1413         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
1414         replace $r15.
1415         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
1416         reference the new stack's address
1417
1418 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
1421         graphite-clast-to-gimple.o, graphite-dependences.o,
1422         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1423         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
1424         (graphite-blocking.o,
1425         graphite-clast-to-gimple.o, graphite-dependences.o,
1426         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
1427         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
1428         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
1429         * cfgloop.h (struct loop): Add can_be_parallel field.
1430         * common.opt (fgraphite-identity): Moved up.
1431         (fgraphite-force-parallel): New flag.
1432         * graphite.c: Rewrite.
1433         * graphite.h: Rewrite.
1434         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
1435         after Graphite.
1436         * toplev.c (graphite_out_file): New file descriptor.
1437         (graphite_in_file): New.
1438         (process_options): flag_graphite_force_parallel cannot be used without
1439         Graphite.
1440         * tree-ssa-loop.c: Include toplev.h.
1441         (gate_graphite_transforms): Enable flag_graphite for
1442         flag_graphite_force_parallel.
1443
1444 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * ChangeLog.graphite: New.
1447         * graphite-blocking.c: New.
1448         * graphite-clast-to-gimple.c: New.
1449         * graphite-clast-to-gimple.h: New.
1450         * graphite-dependences.c: New.
1451         * graphite-dependences.h: New.
1452         * graphite-interchange.c: New.
1453         * graphite-poly.c: New.
1454         * graphite-poly.h: New.
1455         * graphite-ppl.c: New.
1456         * graphite-ppl.h: New.
1457         * graphite-scop-detection.c: New.
1458         * graphite-scop-detection.h: New.
1459         * graphite-sese-to-poly.c: New.
1460         * graphite-sese-to-poly.h: New.
1461         * sese.c: New.
1462         * sese.h: New.
1463
1464 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1467         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
1468
1469 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
1472         (scev_is_linear_expression): Return false if the evolution is not
1473         affine multivariate.
1474
1475 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1478         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1479
1480 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * tree-data-ref.c (debug_data_references): New.
1483         (debug_data_reference): New.
1484         * tree-data-ref.h (debug_data_references): Declared.
1485         (debug_data_reference): Declared.
1486
1487 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * tree-data-ref.c (stmt_simple_memref_p: Removed.
1490         * tree-data-ref.h (scop_p): Removed.
1491         (struct data_reference): Remove field scop.
1492         (DR_SCOP): Removed.
1493         (stmt_simple_memref_p): Removed.
1494
1495 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
1498         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
1499         basic block empty.
1500
1501 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
1504
1505 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * doc/invoke.texi (-fgraphite-identity): Documented.
1508
1509 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * tree-scalar-evolution.c: Fix comment.
1512         (instantiate_scev_1): Return unknow from scev instantiation if the
1513         result is not above instantiate_below.
1514
1515 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
1516
1517         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1518         static anymore.  Instantiate the symbols that may have been introduced
1519         by chrec_apply.
1520         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1521         Declared.
1522
1523 2009-07-30  DJ Delorie  <dj@redhat.com>
1524
1525         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
1526         .vliw directive to VLIW sections.
1527
1528 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1529
1530         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
1531         New variables.
1532         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
1533         (AUTOHEADER): New variable.
1534         ($(srcdir)/cstamp-h.in): Use it.
1535
1536 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
1537             Pat Haugen  <pthaugen@us.ibm.com>
1538             Revital Eres <ERES@il.ibm.com>
1539
1540         * config/rs6000/vector.md (VEC_F): Add VSX support.
1541         (VEC_A): Ditto.
1542         (VEC_N): Ditto.
1543         (mov<mode>): Ditto.
1544         (vector_load_<mode>): Ditto.
1545         (vector_store_<mode>): Ditto.
1546         (vector GPR move split): Ditto.
1547         (vec_reload_and_plus_<mptrsize>): Ditto.
1548         (vec_reload_and_reg_<mptrsize>): Ditto.
1549         (add<mode>3): Ditto.
1550         (sub<mode>3): Ditto.
1551         (mul<mode>3): Ditto.
1552         (neg<mode>2): Ditto.
1553         (abs<mode>2): Ditto.
1554         (smin<mode>3): Ditto.
1555         (smax<mode>3): Ditto.
1556         (vector_eq<mode>): Ditto.
1557         (vector_gt<mode>): Ditto.
1558         (vector_ge<mode>): Ditto.
1559         (vector_gtu<mode>): Ditto.
1560         (vector_select_<mode>_uns): Ditto.
1561         (vector_eq_<mode>_p): Ditto.
1562         (vector_gt_<mode>_p): Ditto.
1563         (vector_ge_<mode>_p): Ditto.
1564         (vector_gtu_<mode>_p): Ditto.
1565         (cr6_test_for_zero): Ditto.
1566         (cr6_test_for_zero_reverse): Ditto.
1567         (cr6_test_for_lt): Ditto.
1568         (cr6_test_for_lt_reverse): Ditto.
1569         (xor<mode>3): Ditto.
1570         (ior<mode>3): Ditto.
1571         (and<mode>3): Ditto.
1572         (one_cmpl<mode>2): Ditto.
1573         (nor<mode>2): Ditto.
1574         (andc<mode>2): Ditto.
1575         (float<VEC_int<mode>2): Ditto.
1576         (unsigned_float<VEC_int><mode>2): Ditto.
1577         (fix_trunc<mode><VEC_int>2): Ditto.
1578         (fixuns_trunc<mode><VEC_int>2): Ditto.
1579         (vec_init<mode>):
1580         (vec_set<mode>): Ditto.
1581         (vec_extract<mode>): Ditto.
1582         (vec_interleave_highv4sf): Ditto.
1583         (vec_interleave_lowv4sf): Ditto.
1584         (vec_realign_load_<mode>): Ditto.
1585         (vec_shl_<mode>): Ditto.
1586         (vec_shr_<mode>): Ditto.
1587         (div<mode>3): New patterns for VSX.
1588         (vec_interleave_highv2df): Ditto.
1589         (vec_interleave_lowv2df): Ditto.
1590         (vec_pack_trunc_v2df): Ditto.
1591         (vec_pack_sfix_trunc_v2df): Ditto.
1592         (vec_pack_ufix_trunc_v2df): Ditto.
1593         (vec_unpacks_hi_v4sf): Ditto.
1594         (vec_unpacks_lo_v4sf): Ditto.
1595         (vec_unpacks_float_hi_v4si): Ditto.
1596         (vec_unpacks_float_lo_v4si): Ditto.
1597         (vec_unpacku_float_hi_v4si): Ditto.
1598         (vec_unpacku_float_lo_v4si): Ditto.
1599         (movmisalign<mode>): Ditto.
1600         (vector_ceil<mode>2): New patterns for vectorizing math library.
1601         (vector_floor<mode>2): Ditto.
1602         (vector_btrunc<mode>2): Ditto.
1603         (vector_copysign<mode>3): Ditto.
1604
1605         * config/rs6000/predicates.md (easy_vector_constant_msb): New
1606         predicate for setting the high bit in each word, used for copysign.
1607
1608         * config/rs6000/ppc-asm.h (f19): Whitespace.
1609         (f32-f63): Define if VSX.
1610         (v0-v31): Define if Altivec.
1611         (vs0-vs63): Define if VSX.
1612
1613         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
1614
1615         * config/rs6000/power7.md: New file, provide tuning parameters for
1616         -mcpu=power7.
1617
1618         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
1619         (rs6000_cpu_cpp_builtins): Ditto.
1620         (altivec_overloaded_builtins): Ditto.
1621         (altivec_resolve_overloaded_builtin): Ditto.
1622
1623         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
1624         debug switch to disable vectorizing simple math builtin
1625         functions.
1626
1627         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1628         Vectorize simple math builtin functions.
1629         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1630         hook to vectorize math builtins.
1631         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
1632         (rs6000_builtin_conversion): Add VSX/power7 support.
1633         (rs6000_builtin_vec_perm): Ditto.
1634         (vsplits_constant): Add support for loading up a vector constant
1635         with just the high bit set in each part.
1636         (rs6000_expand_vector_init): Add VSX/power7 support.
1637         (rs6000_expand_vector_set): Ditto.
1638         (rs6000_expand_vector_extract): Ditto.
1639         (rs6000_emit_move): Ditto.
1640         (bdesc_3arg): Ditto.
1641         (bdesc_2arg): Ditto.
1642         (bdesc_1arg): Ditto.
1643         (rs6000_expand_ternop_builtin): Ditto.
1644         (altivec_expand_builtin): Ditto.
1645         (rs6000_expand_unop_builtin): Ditto.
1646         (rs6000_init_builtins): Ditto.
1647         (altivec_init_builtins): Ditto.
1648         (builtin_function_type): Ditto.
1649         (rs6000_common_init_builtins): Ditto.
1650         (rs6000_handle_altivec_attribute); Ditto.
1651         (rs6000_mangle_type): Ditto.
1652         (rs6000_vector_mode_supported_p): Ditto.
1653         (rs6000_mode_dependent_address): Altivec addresses with AND -16
1654         are mode dependent.
1655
1656         * config/rs6000/vsx.md: New file for VSX support.
1657
1658         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
1659         identifing values with just the most significant bit set.
1660         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
1661         vectorized builtins.
1662
1663         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
1664         (UNSPEC_VRFIM): Delete.
1665         (splitter for loading up vector with most significant bit): New
1666         splitter for vectorizing copysign.
1667         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
1668         vectorizing simple math functions.
1669         (altivec_vrfip): Add support for vectorizing simple math functions.
1670         (altivec_vrfim): Ditto.
1671         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
1672
1673         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
1674         (power7.md, vsx.md): Include for power7 support.
1675         (copysigndf3): Use VSX instructions if -mvsx.
1676         (negdf2_fpr): Ditto.
1677         (absdf2_fpr): Ditto.
1678         (nabsdf2_fpr): Ditto.
1679         (adddf3_fpr): Ditto.
1680         (subdf3_fpr): Ditto.
1681         (muldf3_fpr): Ditto.
1682         (divdf3_fpr): Ditto.
1683         (fix_truncdfdi2_fpr): Ditto.
1684         (cmpdf_internal1): Ditto.
1685         (fred, fred_fpr): Convert into expander/insn to add VSX support.
1686         (btruncdf2, btruncdf2_fpr): Ditto.
1687         (ceildf2, ceildf2_fpr): Ditto.
1688         (floordf2, floordf2_fpr): Ditto.
1689         (floatdidf2, floatdidf2_fpr): Ditto.
1690         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
1691         (fmsubdf4_fpr): Ditto.
1692         (fnmadddf4_fpr_1): Ditto.
1693         (fnmadddf4_fpr_2): Ditto.
1694         (fnmsubdf4_fpr_1): Ditto.
1695         (fnmsubdf4_fpr_2): Ditto.
1696         (fixuns_truncdfdi2): Add expander for VSX support.
1697         (fix_truncdfdi2): Ditto.
1698         (fix_truncdfsi2): Ditto.
1699         (ftruncdf2): Ditto.
1700         (btruncsf2): Whitespace.
1701         (movdf_hardfloat32): Add support for VSX registers.
1702         (movdf_softfloat32): Ditto.
1703         (movdf_hardfloat64): Ditto.
1704         (movdf_hardfloat64_mfpgpr): Ditto.
1705         (movdf_softfloat64): Ditto.
1706         (movti splitters): Add check for vector registers supporting
1707         TImode in the future.
1708         (bpermd): Add power7 bpermd instruction.
1709
1710         * config/rs6000/altivec.h (vec_div): Define if VSX.
1711         (vec_mul): Ditto.
1712         (vec_msub): Ditto.
1713         (vec_nmadd): Ditto.
1714         (vec_nearbyint): Ditto.
1715         (vec_rint): Ditto.
1716         (vec_sqrt): Ditto.
1717         (all predicates): Use the generic builtin function, and not the V4SF
1718         specific function so that the predicates will work with VSX's V2DF.
1719         (vec_all_*): Ditto.
1720         (vec_any_*): Ditto.
1721
1722         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
1723         Document new VSX functions and types.
1724
1725         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
1726         switches.
1727
1728         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
1729         "wa", and "j" constraints.  Modify "v" to talk about Altivec
1730         instead of just vector.
1731
1732 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
1733
1734         PR debug/26475
1735         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
1736         location for phi arguments.
1737         (rewrite_update_phi_arguments): Find locations for reaching defs.
1738         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
1739         Add location to add_phi_arg calls.
1740         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
1741         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
1742         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
1743         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
1744         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
1745         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
1746         * tree-phinodes.c (make_phi_node): Initialize location.
1747         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
1748         (add_phi_arg): Add location parameter.
1749         (remove_phi_arg_num): Move location when moving phi argument.
1750         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
1751         location.
1752         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
1753         slpeel_update_phi_nodes_for_guard1,
1754         slpeel_update_phi_nodes_for_guard2,
1755         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
1756         vect_loop_versioning): Set locations.
1757         * tree-parloops.c (create_phi_for_local_result,
1758         transform_to_exit_first_loop, create_parallel_loop): Add locations.
1759         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
1760         * tree-vect-loop.c (get_initial_def_for_induction,
1761         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
1762         locations.
1763         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
1764         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
1765         (gimple_phi_arg_set_location): New.  Set locus.
1766         (gimple_phi_arg_has_location): New.  Check for locus.
1767         (redirect_edge_var_map_location): New.  Return locus from var_map.
1768         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
1769         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
1770         combining PHI arguments.
1771         (cond_store_replacement): Set location.
1772         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
1773         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
1774         scop_add_exit_phis_edge): Add locations.
1775         * tree-cfgcleanup.c (remove_forwarder_block,
1776         remove_forwarder_block_with_phi): Add locations.
1777         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
1778         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
1779         locations.
1780         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
1781         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
1782         flush_pending_stmts): Add source location.
1783         * lambda-code.c (perfect_nestify): Maintain location stack with argument
1784         stack to preserve locations.
1785         * tree-vect-stmts.c (vectorizable_load): Add location.
1786         * tree-inline.c (copy_phis_for_bb): Copy locus.
1787         (setup_one_parameter): Add call locus to inlined parameter stmts.
1788         (initialize_inlined_parameters): Pass in call location as parameter
1789         assignment locus.
1790         (tree_function_versioning): Pass location to setup_one_parameter.
1791         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
1792         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
1793         copy and edge lists.
1794         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
1795         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
1796         locus parameter and override the stmt default if provided.
1797         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1798         elim_graph_add_edge, elim_graph_remove_succ_edge,
1799         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
1800         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
1801         eliminate_phi):  Add locus info in elimination graph for each edge and
1802         value copy.
1803         (insert_backedge_copies): Copy locus if present.
1804         * tree-flow.h (struct _edge_var_map): Add locus field.
1805         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
1806         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
1807         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
1808         locations.
1809         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
1810
1811 2009-07-30  Martin Jambor  <mjambor@suse.cz>
1812
1813         PR tree-optimization/40570
1814         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
1815         use inlining loops.
1816
1817 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
1818
1819         * ssa-loop-manip.c: Include langhooks.h.
1820         (rewrite_phi_with_iv): New.
1821         (rewrite_all_phi_nodes_with_iv): New.
1822         (canonicalize_loop_ivs): Move here from tree-parloops.c.
1823         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
1824         * tree-parloops.c (loop_parallel_p): Move out all conditions
1825         except dependency check.
1826         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
1827         (gen_parallel_loop): Call canonicalize_loop_ivs without
1828         reduction_list argument.
1829         (build_new_reduction): New.
1830         (gather_scalar_reductions): New.
1831         (try_get_loop_niter): New.
1832         (try_create_reduction_list): New.
1833         (parallleize_loops): Change the parallel conditions check.
1834         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1835         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
1836
1837 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1838
1839         * opt-functions.awk (opt_args): Allow argument to be enclosed in
1840         curly braces.
1841         * doc/options.texi (Option properties):  Mention new quoting syntax.
1842
1843 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1844
1845         * config/alpha/alpha.c (alpha_start_function):
1846         Handle VMS_DEBUG_MAIN_POINTER
1847         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
1848         * doc/invoke.texi: Document -mdebug-main switch.
1849
1850 2009-07-29  Richard Henderson  <rth@redhat.com>
1851
1852         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
1853         (cgraph_create_edge_including_clones): Likewise.
1854         * tree-inline.c (copy_bb): Operate on the correct edges
1855         when updating the callgraph.
1856
1857 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1858
1859         * config/alpha/vms-cc.c: Deleted.
1860         * config/alpha/vms-ld.c: Deleted.
1861         * config/alpha/t-vms64: Moved to config/vms
1862         * config/alpha/vms-crt0-64.c: Moved to config/vms
1863         * config/alpha/vms-crt0.c: Moved to config/vms
1864         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
1865         * config/alpha/vms-psxcrt0.c: Moved to config/vms
1866         * config/alpha/xm-vms.h: Moved to config/vms
1867         * config/alpha/x-vms: Moved to config/vms
1868         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
1869         config/vms/t-vms.
1870         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
1871         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
1872         (version): Set.
1873         * config/vms/t-vms64: Moved here from config/alpha
1874         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
1875         (argc,argv,envp): Enforce 32bit malloc'ing.
1876         * config/vms/vms-psxcrt0-64.c: Likewise.
1877         * config/vms/vms-crt0.c: Moved here from config/alpha.
1878         * config/vms/vms-psxcrt0.c: Likewise.
1879         * config/vms/vms-crtl-64.h: New file.
1880         * config/vms/vms-crtl.h: New file.
1881         * config/vms/vms.opt: New file.
1882         * config/vms/xm-vms64.h: New file.
1883         * config/vms/xm-vms.h: Moved here from config/alpha.
1884         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
1885         Set.
1886         * config/vms/x-vms: Moved here from config/alpha.
1887         (version, VMS_EXTRA_PARTS): Moved to t-vms.
1888         (vms-ld.o, vms-cc.o): Removed.
1889         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
1890
1891 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1892
1893         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
1894         correct stack (obvious VMS fix).
1895
1896 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
1897
1898         * dwarf2out.c (output_file_names): Output VMS style file name, size,
1899         date, version info if VMS_DEBUGGING_INFO defined.
1900         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
1901         size, date calculating code moved here.
1902
1903 2009-07-29  Paul Brook  <paul@codesourcery.com>
1904
1905         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
1906         do_push/do_pop.
1907
1908 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
1909
1910         PR target/40577
1911         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
1912         to DImode when generating insq_le insn.
1913
1914 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
1915
1916         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
1917         New macro set for VMS_DEBUGGGING_INFO.
1918         (AT_string_form): Use it.
1919
1920 2009-07-28  DJ Delorie  <dj@redhat.com>
1921
1922         * config/mep/mep.c (vtext_section): New.
1923         (vftext_section): New.
1924         (ftext_section): New.
1925         (mep_select_section): Add support for functions.
1926         (mep_unique_section): Likewise.
1927         (mep_asm_init_sections): Likewise.
1928         (mep_encode_section_info): Remove it from here.
1929
1930         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
1931
1932 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
1933
1934         * tree.h (TREE_DEPRECATED): Document it is used for types too.
1935         (TYPE_VECTOR_OPAQUE): Use default_def_flag
1936
1937 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
1938
1939         * dwarf2out.c (output_file_names): Test new macro
1940         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
1941         (add_comp_dir_attribute): Likewise.
1942
1943 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
1944
1945         * config/i386/mingw-w64.h (LINK_SPEC): Add
1946         separating space between commands.
1947
1948 2009-07-28  Jan Hubicka  <jh@suse.cz>
1949
1950         PR tree-optimization/40759
1951         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
1952         for renaming.
1953
1954 2009-07-27  DJ Delorie  <dj@redhat.com>
1955
1956         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
1957         types are dword-aligned.
1958         (mep_expand_va_start): Likewise.
1959
1960 2009-07-27  Olivier Hainque  <hainque@adacore.com>
1961             Douglas B Rupp  <rupp@gnat.com>
1962
1963         * convert.c (convert_to_pointer): Don't assume the target
1964         pointer type is POINTER_SIZE long. Fetch its precision instead.
1965
1966 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
1967
1968         * system.h (fopen): Undefine if macro.
1969
1970 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
1971
1972         * dwarf2out.c (output_cfi_p): Removed.
1973         (output_cfis): New function.
1974         (output_fde): New function, split from output_call_frame_info.
1975         (output_call_frame_info): Use it.
1976         (dwarf2out_switch_text_section): Use output_cfis.
1977
1978 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
1979
1980         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
1981         TARGET_BI_ARCH is specified without enabling SJLJ.
1982         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
1983         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
1984
1985 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
1986
1987         * arm.md (negdi2): Use DImode if forcing a value into a register.
1988
1989 2009-07-26  Ira Rosen  <irar@il.ibm.com>
1990
1991         PR tree-optimization/40801
1992         * tree-vect-stmts.c (vectorizable_call): Get previous copy
1993         of vector operand from the previous copy of vector statement.
1994         Pass the correct definition type value to
1995         vect_get_vec_def_for_stmt_copy().
1996
1997 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1998
1999         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
2000         const char ** conversion.
2001
2002 2009-07-25 David Daney <ddaney@caviumnetworks.com>
2003
2004         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
2005         fancy_abort() if !ENABLE_ASSERT_CHECKING.
2006         (gcc_unreachable): Invoke __builtin_unreachable() if
2007         !ENABLE_ASSERT_CHECKING.
2008
2009 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2010
2011         PR rtl-optimization/40445
2012         * emit-rtl.c (next_nonnote_insn_bb): New function.
2013         * rtl.h (next_nonnote_insn_bb): Declare new function.
2014         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
2015         with no successors that is the successor of the ENTRY_BLOCK.
2016         Continue from the top after removing an empty fallthrough block.
2017         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
2018         of next_nonnote_insn.
2019
2020 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2021
2022         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
2023
2024 2009-07-25  Martin Jambor  <mjambor@suse.cz>
2025
2026         * c-common.c (c_common_attribute_table): New element for noclone.
2027         (handle_noclone_attribute): New function. Forward-declare.
2028         * tree-inline.c (tree_versionable_function_p): Check for noclone
2029         attribute.
2030         * doc/extend.texi (Labels as Values): Document need for noclone.
2031         (Function Attributes): Document noclone attribute.
2032
2033 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR rtl-optimization/34999
2036         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
2037         and dw_fde_switched_cold_to_hot fields.
2038         (output_cfi_p): New function.
2039         (output_call_frame_info): If fde->dw_fde_switched_sections,
2040         output 2 FDEs instead of one with corrupted header.
2041         (dwarf2out_do_cfi_startproc): New function.
2042         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
2043         and fde->dw_fde_switched_cold_to_hot.
2044         (dwarf2out_switch_text_section): Compute
2045         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
2046         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
2047         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
2048         Otherwise, compute fde->dw_fde_switch_cfi.
2049
2050 2009-07-24  Cary Coutant  <ccoutant@google.com>
2051
2052         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
2053
2054 2009-07-24  Cary Coutant  <ccoutant@google.com>
2055
2056         * cfghooks.c (split_block): Copy discriminator to new block.
2057         * tree-cfg.c (assign_discriminator): Check location of last
2058         instruction in block as well as first.
2059
2060 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
2061
2062         * config/i386/linux.c: Use fputs or putc instead of fprintf
2063         where appropriate.
2064         * config/i386/gas.h: Ditto.
2065         * config/i386/x86-64.h: Ditto.
2066         * config/i386/att.h: Ditto.
2067
2068 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2069
2070         * expmed.c (emit_store_flag): Use a recursive call to optimize the
2071         xor case.
2072
2073 2009-07-24  Martin Jambor  <mjambor@suse.cz>
2074
2075         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
2076         (ipa_push_func_to_list_1): Declare.
2077         (ipa_push_func_to_list): New function.
2078
2079         * ipa-prop.c (ipa_push_func_to_list_1): New function.
2080         (ipa_init_func_list): Call ipa_push_func_to_list_1.
2081         (ipa_push_func_to_list): Removed.
2082         (ipa_pop_func_from_list): Clear node_enqueued flag.
2083
2084 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2085
2086         * config/s390/s390.c (override_options): Default
2087         max-unrolled-insns to 100 for z10 tuning.
2088
2089 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2090
2091         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
2092         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
2093         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
2094         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
2095         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
2096         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
2097         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
2098
2099 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
2100
2101         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
2102         use default set in mingw32.h header.
2103         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
2104         64-bit /mingw/include path.
2105         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
2106         path.
2107
2108 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
2109
2110         PR rtl-optimization/40209
2111         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
2112
2113 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
2116         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
2117         with the rest of string where appropriate.  Use fputs or putc
2118         instead of fprintf where appropriate.
2119
2120 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
2121             Pat Haugen  <pthaugen@us.ibm.com>
2122             Revital Eres <ERES@il.ibm.com>
2123
2124         * config/rs6000/vector.md: New file.  Move most of the vector
2125         expander support here from altivec.md to allow for the VSX vector
2126         unit in the future.  Add support for secondary_reload patterns.
2127         Rewrite the patterns for vector comparison, and vector comparison
2128         predicate instructions so that the RTL expresses the desired
2129         behavior, instead of using unspec.
2130
2131         * config/rs6000/constraints.md ("f" constraint): Use
2132         rs6000_constraints to hold the precalculated register class.
2133         ("d" constraint): Ditto.
2134         ("wd" constraint): New constraint for VSX.
2135         ("wf" constraint): Ditto.
2136         ("ws" constraint): Ditto.
2137         ("wa" constraint): Ditto.
2138         ("wZ" constraint): Ditto.
2139         ("j" constraint): Ditto.
2140
2141         * config/rs6000/predicates.md (vsx_register_operand): New
2142         predicate for VSX.
2143         (vfloat_operand): New predicate for vector.md.
2144         (vint_operand): Ditto.
2145         (vlogical_operand): Ditto.
2146         (easy_fp_constant): If VSX, 0.0 is an easy constant.
2147         (easy_vector_constant): Add VSX support.
2148         (altivec_indexed_or_indirect_operand): New predicate for
2149         recognizing Altivec style memory references with AND -16.
2150
2151         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
2152         for vector secondary reload support.
2153         (rs6000_vector_reg_class): Delete, replacing it with
2154         rs6000_constraints.
2155         (rs6000_vsx_reg_class): Ditto.
2156         (rs6000_constraints): New array to hold the register classes of
2157         each of the register constraints that can vary at runtime.
2158         (builtin_mode_to_type): New static array for builtin function type
2159         creation.
2160         (builtin_hash_table): New static hash table for builtin function
2161         type creation.
2162         (TARGET_SECONDARY_RELOAD): Define target hook.
2163         (TARGET_IRA_COVER_CLASSES): Ditto.
2164         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
2165         registers are 128 bits if VSX memory reference instructions are used.
2166         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
2167         unit is being used.
2168         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
2169         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
2170         Print several of the scheduling related parameters.
2171         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
2172         rs6000_constraints instead of rs6000_vector_reg_class.  Move
2173         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
2174         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
2175         Altivec.  Add VSX support.  Setup for secondary reload support on
2176         Altivec/VSX registers.
2177         (rs6000_override_options): Make power7 set the scheduling groups
2178         like the power5.  Add support for new debug switches to override
2179         the scheduling defaults.  Temporarily disable -mcpu=power7 from
2180         setting -mvsx.  Add support for debug switches -malways-hint,
2181         -msched-groups, and -malign-branch-targets.
2182         (rs6000_buitlin_conversion): Add support for returning unsigned
2183         vector conversion functions to fix regressions due to stricter
2184         type checking.
2185         (rs6000_builtin_mul_widen_even): Ditto.
2186         (rs6000_builtin_mul_widen_odd): Ditto.
2187         (rs6000_builtin_vec_perm): Ditto.
2188         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
2189         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
2190         to zero a register.
2191         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
2192         generated upstream.
2193         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
2194         VSX types for bit operations.  Changes to accomidate vector.md.
2195         (bdesc_2arg): Ditto.
2196         (bdesc_1arg): Ditto.
2197         (struct builtin_description_predicates): Rewrite predicate
2198         handling so that RTL describes the operation, instead of passing
2199         the instruction to be used as a string argument.
2200         (bdesc_altivec_preds): Ditto.
2201         (altivec_expand_predicate_builtin): Ditto.
2202         (altivec_expand_builtin): Ditto.
2203         (rs6000_expand_ternop_builtin): Use a switch instead of an if
2204         statement for vsldoi support.
2205         (altivec_expand_ld_builtin): Change to use new names from vector.md.
2206         (altivec_expand_st_builtin): Ditto.
2207         (paired_expand_builtin): Whitespace changes.
2208         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
2209         builtin_mode_to_type table for secondary reload.  Call
2210         builtin_function_type to build random builtin functions.
2211         (altivec_init_builtins): Change to use builtin_function_type to
2212         create builtin function types dynamically as we need them.
2213         (builtin_hash_function): New support for hashing the tree types
2214         for builtin function as we need it, rather than trying to build
2215         all of the trees that we need.  Add initial preliminary VSX support.
2216         (builtin_function_type): Ditto.
2217         (builtin_function_eq): Ditto.
2218         (builtin_hash_struct): Ditto.
2219         (rs6000_init_builtins): Ditto.
2220         (rs6000_common_init_builtins): Ditto.
2221         (altivec_init_builtins): Ditto.
2222         (rs6000_common_init_builtins): Ditto.
2223         (enum reload_reg_type): New enum for simplifing reg classes.
2224         (rs6000_reload_register_type): Simplify register classes into GPR,
2225         Vector, and other registers.  Altivec and VSX addresses in reload.
2226         (rs6000_secondary_reload_inner): Ditto.
2227         (rs6000_ira_cover_classes): New target hook, that returns the
2228         appropriate cover classes, based on -mvsx being used or not.
2229         (rs6000_secondary_reload_class): Add VSX support.
2230         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
2231         (get_vsel_insn): Ditto.
2232         (rs6000_emit_vector_compare): Rewrite vector conditional support
2233         so that where we can, we use RTL operators, instead of blindly use
2234         UNSPEC.
2235         (rs6000_emit_vector_select): Ditto.
2236         (rs6000_emit_vector_cond_expr): Ditto.
2237         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
2238         (create_TOC_reference): Add -mdebug=addr support.
2239         (emit_frame_save): VSX loads/stores need register indexed addressing.
2240
2241         * config/rs6000/rs6000.md: Include vector.md.
2242
2243         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
2244
2245         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2246         support for V2DI, V2DF in logical, permute, select operations.
2247
2248         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
2249         switch for vsx/power7.
2250         (-mvsx-scalar-memory): Ditto.
2251         (-mvsx-align-128): Ditto.
2252         (-mallow-movmisalign): Ditto.
2253         (-mallow-df-permute): Ditto.
2254         (-msched-groups): Ditto.
2255         (-malways-hint): Ditto.
2256         (-malign-branch-targets): Ditto.
2257
2258         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
2259         hook instead.
2260         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
2261         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
2262         (rs6000_vector_reg_class): Delete.
2263         (rs6000_vsx_reg_class): Ditto.
2264         (enum rs6000_reg_class_enum): New enum for the constraints that
2265         vary based on target switches.
2266         (rs6000_constraints): New array to hold the register class for all
2267         of the register constraints that vary based on the switches used.
2268         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
2269         (enum rs6000_builtins): Add unsigned varients for the builtin
2270         declarations returned by target hooks for expanding multiplies,
2271         select, and permute operations.  Add VSX builtins.
2272         (enum rs6000_builtin_type_index): Add entries for VSX.
2273         (V2DI_type_node): Ditto.
2274         (V2DF_type_node): Ditto.
2275         (unsigned_V2DI_type_node): Ditto.
2276         (bool_long_type_node): Ditto.
2277         (intDI_type_internal_node): Ditto.
2278         (uintDI_type_internal_node): Ditto.
2279         (double_type_internal_node): Ditto.
2280
2281         * config/rs6000/altivec.md (whole file): Move all expanders to
2282         vector.md from altivec.md.  Rename insn matching functions to be
2283         altivec_foo.
2284         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
2285         (altivec_vcmp*): Ditto.
2286         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
2287         (VM): New iterator for moves that includes the VSX types.
2288         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
2289         (altivec_vperm_<mode>_uns): New, for unsigned types.
2290         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
2291         (altivec_eq<mode>): Ditto.
2292         (altivec_gt<mode>): Ditto.
2293         (altivec_gtu<mode>): Ditto.
2294         (altivec_eqv4sf): Ditto.
2295         (altivec_gev4sf): Ditto.
2296         (altivec_gtv4sf): Ditto.
2297         (altivec_vcmpbfp_p): Ditto.
2298
2299 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
2300
2301         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
2302         unsigned HWI.
2303
2304 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
2305
2306         PR target/40832
2307         * config/i386/i386.c (output_387_ffreep): Rewrite to use
2308         ASM_SHORT instead of .word.
2309         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
2310         instead of .word in asm template.
2311
2312 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
2313
2314         PR target/37488
2315         * ira-lives.c (bb_has_abnormal_call_pred): New function.
2316         (process_bb_node_lives): Use it.
2317
2318         * ira.c (setup_cover_and_important_classes): Don't setup
2319         ira_important_class_nums.  Add cover classes to the end of
2320         important classes.
2321         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
2322         New.
2323         (find_reg_class_closure): Use reorder_important_classes.
2324
2325         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
2326
2327         * config/i386/i386.c (i386_ira_cover_classes): New function.
2328         (TARGET_IRA_COVER_CLASSES): Redefine.
2329
2330         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
2331         importance of order of cover classes in the array.
2332
2333 2009-07-22  Diego Novillo  <dnovillo@google.com>
2334
2335         * tree-pass.h (TDF_EH): Define.
2336         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
2337         contains TDF_EH, print the EH region number holding GS.
2338         * tree-dump.c (dump_options): Add "eh".
2339         * doc/invoke.texi: Document it.
2340
2341 2009-07-22  Doug Kwan  <dougkwan@google.com>
2342
2343         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
2344
2345 2009-07-22  Michael Matz  <matz@suse.de>
2346
2347         PR tree-optimization/35229
2348         PR tree-optimization/39300
2349
2350         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
2351         (inhibit_phi_insertion): New function.
2352         (insert_into_preds_of_block): Call it for REFERENCEs.
2353         (init_pre): Initialize and finalize scalar evolutions.
2354         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
2355
2356 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         * config/i386/predicates.md (zero_extended_scalar_load_operand):
2359         Use CONST_VECTOR_NUNITS to determine number of elements.
2360
2361 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2362
2363         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
2364         (U, W): Constraints are now deprecated and will be removed if we
2365         run out of letters.
2366         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
2367         the file.
2368         ("prefetch"): Add the stcmh instruction for prefetching.
2369         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
2370         changes.
2371         (s390_short_displacement): Return always true if compiling for
2372         machines not providing the long displacement facility.
2373         (s390_mem_constraint): Support the new constraint letter Z.
2374         (s390_check_qrst_address): New function.
2375
2376 2009-07-21  DJ Delorie  <dj@redhat.com>
2377
2378         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
2379         alone too.
2380
2381 2009-07-21  Jason Merrill  <jason@redhat.com>
2382
2383         * c-common.c (max_tinst_depth): Increase default to 1024.
2384
2385 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2386
2387         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
2388         (vec_unpacku_float_lo_v4si): Ditto.
2389
2390 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         PR target/40811
2393         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
2394         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
2395         (builtin_description): Add __builtin_ia32_cvtudq2ps.
2396         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
2397
2398 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
2399
2400         PR tree-optimization/40813
2401         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
2402         it.
2403
2404 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2405
2406         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
2407         with a NOP_EXPR if needed.
2408
2409 2009-07-21  Paul Brook <paul@codesourcery.com>
2410
2411         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
2412         Terminate debug dump with newline.
2413
2414 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2415
2416         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
2417         Cast "1" to unsigned HOST_WIDE_INT.
2418         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
2419         deposit length to the maximum length - lsb.  Extend length if
2420         HOST_BITS_PER_WIDE_INT is 32.
2421
2422 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
2423
2424         * cgraph.h (constant_pool_htab): New function.
2425         (constant_descriptor_tree): Move from varasm.c.
2426         * varasm.c (constant_pool_htab): New function.
2427         (constant_descriptor_tree): Move to cgraph.h.
2428
2429 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
2430
2431         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
2432
2433 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
2434
2435         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
2436         $(VARRAY_H).
2437
2438 2009-07-20  Xinliang David Li  <davidxl@google.com>
2439
2440         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
2441
2442 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
2443
2444         * config/mips/mips.md (move_type): Add arith.
2445         (type): Handle arith.
2446         (zero_extendsidi2): Rename this into ...
2447         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
2448         (zero_extendsidi2): New expander.
2449         (*zero_extendsidi2_dext): New pattern.
2450
2451 2009-07-20  Nick Clifton  <nickc@redhat.com>
2452
2453         * config.gcc (mips64-*-*): Add definition of tm_defines in order
2454         to set MIPS_ABI_DEFAULT.
2455         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
2456
2457 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
2458
2459         * tree-object-size.c (addr_object_size): Handle unions with
2460         array in it as last field of structs in __bos (, 1) as __bos (, 0).
2461
2462         PR tree-optimization/40792
2463         * tree.c (build_function_type_skip_args): Remove bogus assert.
2464
2465 2009-07-20  Jan Hubicka  <jh@suse.cz>
2466             Martin Jambor  <mjambor@suse.cz>
2467
2468         * cgraph.h (combined_args_to_skip): New field.
2469         * cgraph.c (cgraph_create_virtual_clone): Properly handle
2470         combined_args_to_skip and args_to_skip.
2471         * tree-inline.c (update_clone_info): New function.
2472         (tree_function_versioning): Call update_clone_info.
2473         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
2474         functions.
2475         (cgraph_materialize_all_clones): More extensive dumping, working
2476         with combined_args_to_skip rather than args_to_skip.
2477
2478 2009-07-20  Ira Rosen  <irar@il.ibm.com>
2479
2480         * tree-vectorizer.h (vectorizable_condition): Add parameters.
2481         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
2482         (get_initial_def_for_reduction): Likewise.
2483         (vectorizable_reduction): Skip the check of first operand in case
2484         of COND_EXPR. Add check that it is outer loop vectorization if
2485         nested cycle was detected. Call vectorizable_condition() for
2486         COND_EXPR. If reduction epilogue cannot be created do not fail for
2487         nested cycles (if it is not double reduction). Assert that there
2488         is only one type in the loop in case of COND_EXPR. Call
2489         vectorizable_condition() to vectorize COND_EXPR.
2490         * tree-vect-stmts.c (vectorizable_condition): Update comment.
2491         Add parameters. Allow nested cycles if called from
2492         vectorizable_reduction(). Use reduction vector variable if provided.
2493         (vect_analyze_stmt): Call vectorizable_reduction() before
2494         vectorizable_condition().
2495         (vect_transform_stmt): Update call to vectorizable_condition().
2496
2497 2009-07-20  Christian Bruel  <christian.bruel@st.com>
2498
2499         * config/sh/sh.opt (-mfmovd): Resurrect and document.
2500         * doc/invoke.texi (-mfmovd): Likewise.
2501         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
2502
2503 2009-07-20  Jan Hubicka  <jh@suse.cz>
2504
2505         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
2506         when handling SSA name.
2507
2508 2009-07-19  Jan Hubicka  <jh@suse.cz>
2509
2510         PR tree-optimization/40676
2511         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
2512         virtual PHIs in empty BBs.
2513
2514 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2515
2516         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
2517         re-expanded the compound use gen_lowpart instead to convert to the
2518         desired mode.
2519
2520 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2521
2522         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
2523         OUTER_CONST arguments.
2524         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
2525         the new wider mode will be masked off.
2526         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
2527
2528 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2529
2530         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
2531         high-order bits are zero.
2532
2533 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
2534
2535         * combine.c (simplify_shift_const_1): Split code to determine
2536         shift_mode into ...
2537         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
2538         new bits shifted in are identical to the old sign bit.
2539
2540 2009-07-18  Richard Guenther  <rguenther@suse.de>
2541
2542         PR c/40787
2543         * gimplify.c (gimplify_call_expr): Reject code using results from
2544         functions returning void.
2545
2546 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2547
2548         * doc/md.texi: Document the new PowerPC "es" constraint.
2549         Document that "m" can include automodified addresses on this target,
2550         and explain how %U must be used.  Extend the "Q" and "Z" documentation
2551         to suggest "es" as well as "m".
2552         * config/rs6000/constraints.md (es): New memory constraint.
2553         (Q, Z): Update strings to match new documentation.
2554
2555 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
2556
2557         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
2558         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
2559         * config/rs6000/predicates.md (volatile_mem_operand): Use
2560         offsettable_nonstrict_memref_p.
2561         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
2562         (*floatunssidf2_internal): Likewise.
2563         (*fix_truncdfsi2_internal): Likewise.
2564         (*fix_trunctfsi2_internal): Likewise.
2565
2566 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
2567
2568         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
2569         atmega32u2 devices.
2570         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2571
2572 2009-07-17  Richard Guenther  <rguenther@suse.de>
2573
2574         PR c/40401
2575         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
2576         (pass_warn_unused_result): Likewise.
2577         (TODO_set_props): Remove.
2578         * omp-low.c (diagnose_omp_structured_block_errors): Change to
2579         run as a pass.
2580         (pass_diagnose_omp_blocks): Define.
2581         * c-decl.c (pop_file_scope): Do not finalize the CU here.
2582         (c_gimple_diagnostics_recursively): Remove.
2583         (finish_function): Do not call it.
2584         (c_write_global_declarations): Continue after errors.
2585         Finalize the CU here.
2586         * c-gimplify.c (c_genericize): Do not gimplify here.
2587         * c-common.c (c_warn_unused_result): Move ...
2588         * tree-cfg.c (do_warn_unused_result): ... here.
2589         (run_warn_unused_result): New function.
2590         (gate_warn_unused_result): New function.
2591         (pass_warn_unused_result): New pass.
2592         * c-common.h (c_warn_unused_result): Remove.
2593         * flags.h (flag_warn_unused_result): Declare.
2594         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
2595         * opts.c (flag_warn_unused_result): Initialize to false.
2596         * toplev.c (compile_file): Add comment.
2597         * omp-low.c (create_omp_child_function): Do not register
2598         the function with the frontend.
2599         (diagnose_omp_structured_block_errors): Prepare to be
2600         called as optimization pass.
2601         (gate_diagnose_omp_blocks): New function.
2602         (pass_diagnose_omp_blocks): New pass.
2603         * cgraph.h (cgraph_optimize): Remove.
2604         (cgraph_analyze_function): Likewise.
2605         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
2606         * cgraphunit.c (cgraph_lower_function): Lower nested functions
2607         before their parents here.
2608         (cgraph_finalize_function): Not here.
2609         (cgraph_analyze_function): Gimplify functions here.
2610         (cgraph_finalize_compilation_unit): Continue after errors.
2611         Optimize the callgraph from here.
2612         (cgraph_optimize): Make static.
2613         * langhooks.c (write_global_declarations): Finalize the CU.
2614         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
2615         (gimplify_function_tree): Assert we gimplify only once.
2616         Set PROP_gimple_any property.
2617         * tree-nested.c (gimplify_all_functions): New function.
2618         (lower_nested_functions): Gimplify all nested functions.
2619         * gimple.h (diagnose_omp_structured_block_errors): Remove.
2620         * passes.c (init_optimization_passes): Add pass_warn_unused_result
2621         and pass_diagnose_omp_blocks after gimplification.  Do not
2622         set TODO_set_props on all_lowering_passes.
2623         (execute_one_pass): Do not handle TODO_set_props.
2624         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
2625         (gimplify.o): Add tree-pass.h dependency.
2626         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
2627         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
2628         (unsave_r): Likewise.
2629         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
2630         temporary variable.
2631
2632 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
2633
2634         * doc/service.texi (Service): Restore previously removed link,
2635         which isn't broken after all.
2636
2637 2009-07-17  Richard Guenther  <rguenther@suse.de>
2638
2639         PR tree-optimization/40321
2640         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
2641         PHI nodes to the maximal set.
2642         (make_values_for_phi): Add PHI arguments to the maximal set.
2643         (execute_pre): Dump PHI_GEN and the maximal set.
2644
2645 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
2646
2647         PR c++/40780
2648         * gimplify.c (gimplify_conversion): Don't change non-conversions into
2649         VIEW_CONVERT_EXPR.
2650
2651 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
2652
2653         * doc/extend.texi (Nested Functions): Replace broken link with
2654         textual reference.
2655         * doc/service.texi (Service): Remove broken link.
2656
2657 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
2658
2659         PR bootstrap/40781
2660         * builtins.c (expand_builtin_memcmp): Use loc instead of
2661         EXPR_LOCATION (exp).
2662         (expand_builtin_strncmp): Likewise.
2663
2664 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
2665             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2666
2667         PR 40435
2668         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
2669         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
2670         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
2671         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
2672         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
2673         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
2674         tree-inline.c, c-common.c, c-common.h, gimple.c,
2675         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
2676         convert.c: Add location argument to fold_{unary,binary,ternary},
2677         fold_build[123], build_call_expr, build_size_arg,
2678         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
2679         fold_build1_initializer, fold_build2_initializer,
2680         fold_build3_initializer, fold_build_call_array,
2681         fold_build_call_array_initializer, fold_single_bit_test,
2682         omit_one_operand, omit_two_operands, invert_truthvalue,
2683         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
2684         combine_comparisons, fold_builtin_*, fold_call_expr,
2685         build_range_check, maybe_fold_offset_to_address, round_up,
2686         round_down.
2687
2688 2009-07-16  Jason Merrill  <jason@redhat.com>
2689
2690         PR libstdc++/37907
2691         * c-common.c (c_common_reswords): Add __is_standard_layout
2692         and __is_trivial.
2693         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
2694         * doc/implement-cxx.texi: New.
2695         * doc/gcc.texi: Include it.
2696
2697 2009-07-16  DJ Delorie  <dj@redhat.com>
2698
2699         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
2700         compares that may be indirectly affected by previous instructions.
2701
2702 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2703
2704         * builtins.c (do_mpc_arg2): New.
2705         (fold_builtin_2): Fold builtin cpow.
2706         * real.h (HAVE_mpc_pow): New.
2707
2708 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
2709
2710         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
2711         comparison to skip unprofitable schedule
2712
2713 2009-07-16  Simon Baldwin  <simonb@google.com>
2714
2715         * gcc.c (option_map): New flag -no-canonical-prefixes.
2716         * (display_help): Print help text for new flag.
2717         * (process_command): Move options translation and language specifics
2718         and handle new flag early.  Use it to set a function pointer to a
2719         prefix builder.  Replace make_relative_prefix calls with calls to
2720         the function pointed to.  Ignore new flag in regular options handling.
2721         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
2722
2723 2009-07-15  DJ Delorie  <dj@redhat.com>
2724
2725         * config/mep/mep.md (sibcall_internal): Change register to avoid
2726         argument registers.
2727         (sibcall_value_internal): Likewise.
2728
2729 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
2730
2731         PR rtl-optimization/40710
2732         * resource.c (mark_target_live_regs): Reset DF problem to LR.
2733
2734 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
2735
2736         * config/mips/mips.md (*extenddi_truncate<mode>,
2737         *extendsi_truncate<mode>): Change type attribute to move_type
2738         with shift_shift.  Split out code handling exts from here ...
2739         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
2740         pattern.
2741         (*extendhi_truncateqi): Change type attribute to move_type with
2742         shift_shift.  Split out code handling exts from here ...
2743         (*extendhi_truncateqi_exts): ... to this new pattern.
2744
2745 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
2746
2747         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
2748         instead of "and" with inverted sign bit mask value.  Use
2749         "nonimmediate_operand" for operand 1 and operand 2 predicate.
2750         Allocate registers only for operand 4 and operand 5.
2751
2752 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
2753
2754         PR middle-end/40747
2755         * fold-const.c (fold_cond_expr_with_comparison): When folding
2756         < and <= to MIN, make sure the MIN uses the same type as the
2757         comparison's operands.
2758
2759 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
2760
2761         * arm.md (ior_xor): New code iterator.
2762         (split for ior/xor with shift and zero-extend): New split pattern.
2763         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
2764
2765 2009-07-15  Richard Guenther  <rguenther@suse.de>
2766
2767         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
2768         offset member.
2769
2770 2009-07-15  Richard Guenther  <rguenther@suse.de>
2771
2772         PR middle-end/40753
2773         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
2774
2775 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2776
2777         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
2778         handle 2.6.30 kernel.
2779
2780 2009-07-15  DJ Delorie  <dj@redhat.com>
2781
2782         * config/mep/mep.md (sibcall_internal): Change register to allow
2783         for 24-bit addresses.
2784         (sibcall_value_internal): Likewise.
2785
2786 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2787
2788         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
2789         that are enabled/disabled by the flags introduced by a previous patch.
2790
2791 2009-07-14  DJ Delorie  <dj@redhat.com>
2792
2793         * config/mep/mep.md (sibcall_internal): Include non-toggling
2794         non-jmp case.
2795         (sibcall_value_internal): Likewise.
2796
2797 2009-07-14  Taras Glek  <tglek@mozilla.com>
2798             Rafael Espindola  <espindola@google.com>
2799
2800         * doc/sourcebuild.texi: Document install-plugin target.
2801         * configure.ac: Added install-plugin target to language makefiles.
2802         * configure: Regenerate.
2803         * Makefile.in: (install-plugin): Install more headers,
2804         depend on lang.install-plugin.
2805
2806 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2807
2808         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
2809         translation.
2810
2811 2009-07-14  DJ Delorie  <dj@redhat.com>
2812
2813         * config/mep/mep.c (mep_vliw_jmp_match): New function.
2814         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
2815         * config/mep/mep.md (sibcall_internal): Change test from
2816         mep_vliw_mode_match to mep_vliw_jmp_match.
2817         (sibcall_value_internal): Likewise.
2818
2819 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
2820
2821         * config/i386/sse.md (copysign<mode>3): New expander.
2822         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
2823         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
2824         Use ix86_build_const_vector.
2825         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
2826         IX86_BUILTIN_CPYSGNPD.
2827         (builtin_description): Add __builtin_ia32_copysignps and
2828         __builtin_ia32_copysignpd.
2829         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
2830         and BUILT_IN_COPYSIGNF.
2831
2832 2009-07-13  Jason Merrill  <jason@redhat.com>
2833
2834         * builtins.c (can_trust_pointer_alignment): New fn.
2835         (get_pointer_alignment): Factor it out from here.
2836         * tree.h: Declare it.
2837
2838 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
2839
2840         * config/rs6000/predicates.md (offsettable_mem_operand): Test
2841         RTX_AUTOINC class.
2842
2843 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
2844
2845         PR debug/40705
2846         PR c++/403057
2847         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
2848
2849 2009-07-14  Richard Guenther  <rguenther@suse.de>
2850             Andrey Belevantsev <abel@ispras.ru>
2851
2852         PR middle-end/40745
2853         * cfgexpand.c (partition_stack_vars): Do not bother to update
2854         alias information when not optimizing.
2855
2856 2009-07-14  Richard Guenther  <rguenther@suse.de>
2857             Andrey Belevantsev <abel@ispras.ru>
2858
2859         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
2860         (pt_solution_set): Likewise.
2861         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
2862         * tree-ssa-structalias.c (pt_solution_set): New function.
2863         * final.c (rest_of_clean_state): Free SSA data structures.
2864         * print-rtl.c (print_decl_name): Remove.
2865         (print_mem_expr): Implement in terms of print_generic_expr.
2866         * alias.c (ao_ref_from_mem): New function.
2867         (rtx_refs_may_alias_p): Likewise.
2868         (true_dependence): Query alias-export info.
2869         (canon_true_dependence): Likewise.
2870         (write_dependence_p): Likewise.
2871         * tree-dfa.c (get_ref_base_and_extent): For void types leave
2872         size unknown.
2873         * emit-rtl.c (component_ref_for_mem_expr): Remove.
2874         (mem_expr_equal_p): Use operand_equal_p.
2875         (set_mem_attributes_minus_bitpos): Do not use
2876         component_ref_for_mem_expr.
2877         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
2878         (update_alias_info_with_stack_vars): Likewise.
2879         (partition_stack_vars): Call update_alias_info_with_stack_vars.
2880         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
2881         explicitly nor clear stmt operands.
2882         Free the decl-to-pointer map.
2883         * tree-optimize.c (execute_free_datastructures): Do not free
2884         SSA data structures here.
2885         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
2886         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
2887         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
2888         dependencies.
2889         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
2890
2891 2009-07-13  DJ Delorie  <dj@redhat.com>
2892
2893         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
2894         unrolling at the right iteration count.
2895
2896         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
2897         calculations.
2898
2899 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2900
2901         * haifa-sched.c (rank_for_schedule): Introduced flags to
2902         enable/disable individual scheduling heuristics.
2903         * common.opt: Introduced flags to enable/disable individual
2904         heuristics in the scheduler.
2905         * doc/invoke.texi: Introduced flags to enable/disable individual
2906         heuristics in the scheduler.
2907
2908 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
2909
2910         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
2911         config/i386/mingw-tls.c.
2912         * config/i386/mingw-tls.c: Removed.
2913
2914 2009-07-13  Ira Rosen  <irar@il.ibm.com>
2915
2916         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
2917         checks access only relevant statements.
2918         (vectorizable_reduction): Likewise.
2919
2920 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
2921
2922         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
2923         just for 32-bit case.
2924
2925 2009-07-12  Jan Hubicka  <jh@suse.cz>
2926
2927         PR tree-optimization/40585
2928         * except.c (expand_resx_expr): When there already is resume
2929         instruction, produce linked list.
2930         (build_post_landing_pads): Assert that resume is empty.
2931         (connect_post_landing_pads): Handle resume lists.
2932         (dump_eh_tree): Dump resume list.
2933
2934 2009-07-12  Ira Rosen  <irar@il.ibm.com>
2935
2936         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
2937         with additional argument.
2938         * tree-vectorizer.h (enum vect_def_type): Add
2939         vect_double_reduction_def.
2940         (vect_is_simple_reduction): Add argument.
2941         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
2942         indentation.
2943         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
2944         vect_is_simple_reduction with additional argument.
2945         (vect_analyze_loop_operations): Handle exit phi nodes in case of
2946         double reduction.
2947         (reduction_code_for_scalar_code): Handle additional codes by
2948         returning ERROR_MARK for them. Fix comment and indentation.
2949         (vect_is_simple_reduction): Fix comment, add argument to specify
2950         double reduction. Detect double reduction.
2951         (get_initial_def_for_induction): Fix indentation.
2952         (get_initial_def_for_reduction): Fix comment and indentation.
2953         Handle double reduction. Create initial definitions that do not
2954         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
2955         (vect_create_epilog_for_reduction): Fix comment, add argument to
2956         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
2957         epilogue result extraction. Create double reduction phi node and
2958         replace relevant uses.
2959         (vectorizable_reduction): Call vect_is_simple_reduction with
2960         additional argument. Fix indentation. Update epilogue code treatment
2961         according to the changes in reduction_code_for_scalar_code. Check
2962         for double reduction. Call vect_create_epilog_for_reduction with
2963         additional argument.
2964         * tree-vect-stmts.c (process_use): Handle double reduction, update
2965         documentation.
2966         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
2967         (vect_get_vec_def_for_operand): Likewise.
2968
2969 2009-07-12  Danny Smith  <dansmister@gmail.com>
2970
2971         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
2972         dllexport if !TREE_PUBLIC.
2973         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
2974
2975 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
2976
2977         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
2978         (avr_extra_arch_macro) Remove declatation.
2979         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
2980         (avr_extra_arch_macro) Declare as static.
2981         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
2982
2983 2009-07-11  Jan Hubicka  <jh@suse.cz>
2984
2985         PR middle-end/48388
2986         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
2987
2988 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
2989
2990         PR debug/40713
2991         * dwarf2out.c (dw_fde_struct): Add in_std_section and
2992         cold_in_std_section bits.
2993         (dwarf2out_begin_prologue): Initialize them.
2994         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
2995         if already covered by text_section or cold_text_section range.
2996
2997         PR rtl-optimization/40667
2998         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
2999         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
3000         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
3001         * config/i386/i386.c (ix86_minimum_alignment): New function.
3002         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
3003         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
3004         * emit-rtl.c (gen_reg_rtx): Likewise.
3005         * function.c (assign_parms): Likewise.  If nominal_type needs
3006         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
3007         rather than passed_type's alignment.
3008
3009         PR target/40668
3010         * function.c (assign_parm_setup_stack): Adjust
3011         MEM_OFFSET (data->stack_parm) if promoted_mode is different
3012         from nominal_mode on big endian.
3013
3014 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
3015
3016         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
3017
3018 2009-07-10  DJ Delorie  <dj@redhat.com>
3019
3020         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
3021
3022 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
3023
3024         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
3025         attribute.
3026         (thumb2_cbnz): Likewise.
3027
3028 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
3029
3030         PR target/39079
3031         * config.gcc (supported_defaults): Add synci.
3032         (with_synci): Add validation.
3033         (all_defaults): Add synci.
3034         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
3035         ISA_HAS_SYNCI.
3036         (synci): Same.
3037         * config/mips/mips.opt (msynci): New option.
3038         * config/mips/mips.c (mips_override_options): Warn on use of
3039         -msynci for targets that do now support it.
3040         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3041         msynci.
3042         * gcc/doc/invoke.texi (-msynci): Document the new option.
3043         * doc/install.texi (--with-synci): Document the new option.
3044
3045 2009-07-10  Richard Guenther  <rguenther@suse.de>
3046
3047         PR tree-optimization/40496
3048         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
3049         the PHI result with a compatible type.
3050
3051 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3052
3053         PR 25509
3054         PR 40614
3055         * c.opt (Wunused-result): New.
3056         * doc/invoke.texi: Document it.
3057         * c-common.c (c_warn_unused_result): Use it.
3058
3059 2009-07-09  DJ Delorie  <dj@redhat.com>
3060
3061         * targhooks.c (default_target_can_inline_p): Rename from
3062         default_target_option_can_inline_p.
3063         * targhooks.h (default_target_can_inline_p): Likewise.
3064         * target-def.h (TARGET_CAN_INLINE_P): Rename from
3065         TARGET_OPTION_CAN_INLINE_P.
3066         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
3067         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
3068         (mep_target_can_inline_p): Rename from
3069         mep_target_option_can_inline_p.
3070
3071         PR target/40626
3072         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
3073         registers used to pass vectors.
3074
3075         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
3076
3077 2009-07-09  Tom Tromey  <tromey@redhat.com>
3078
3079         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
3080         * config/mmix/mmix.c: Include dwarf2.h.
3081         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
3082         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
3083         * config/sh/sh.c: Include dwarf2.h.
3084         * config/i386/i386.c: Include dwarf2.h.
3085         * Makefile.in (DWARF2_H): Remove 'elf'.
3086         * except.c: Include dwarf2.h.
3087         * unwind-dw2.c: Include dwarf2.h.
3088         * dwarf2out.c: Include dwarf2.h.
3089         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
3090         * unwind-dw2-fde.c: Include dwarf2.h.
3091         * dwarf2asm.c: Include dwarf2.h.
3092
3093 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3094
3095         * haifa-sched.c (insn_finishes_cycle_p): New static function.
3096         (max_issue): Use it.
3097         * sched-int.h (struct sched_info: insn_finishes_block_p): New
3098         scheduler hook.
3099         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
3100         (region_sched_info): Update.
3101         * sched-ebb.c (ebb_sched_info): Update.
3102         * modulo-sched.c (sms_sched_info): Update.
3103         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
3104
3105 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3106
3107         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
3108
3109 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
3110
3111         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
3112
3113 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR middle-end/40692
3116         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
3117         arg1 with arg01 if arg1 is already INTEGER_CST.
3118
3119 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
3120
3121         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
3122         Transform (and (truncate)) into (truncate (and)).
3123
3124 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
3125
3126         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
3127         creating LHS paradoxical subregs.  Fix surrounding returns to
3128         use NULL_RTX rather than 0.
3129
3130 2009-07-08  DJ Delorie  <dj@redhat.com>
3131
3132         * config/mep/mep.c: (mep_option_can_inline_p): New.
3133         (TARGET_OPTION_CAN_INLINE_P): Define.
3134
3135 2009-07-08  Mark Wielaard  <mjw@redhat.com>
3136
3137         PR debug/40659
3138         * dwarf2out.c (add_data_member_location_attribute): When we have
3139         only a constant offset don't emit a new location description using
3140         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
3141         dwarf_version > 2.
3142
3143 2009-07-08  Richard Henderson  <rth@redhat.com>
3144
3145         PR target/38900
3146         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
3147         (enum reg_class): Add CLOBBERED_REGS.
3148         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
3149         * config/i386/i386.c (ix86_conditional_register_usage): Moved
3150         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
3151         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
3152         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
3153         force 64-bit sibcalls into R11.
3154         * config/i386/constraints.md (U): New constraint.
3155         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
3156         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
3157         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
3158
3159 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
3160
3161         * basic-block.h (dump_regset, debug_regset): Remove duplicate
3162         prototypes.
3163         * c-objc-common.h (c_initialize_diagnostics): Ditto.
3164         * ebitmap.h (dump_ebitmap): Ditto.
3165         * optabs.h (optab_libfunc): Ditto.
3166         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
3167         * tree-flow.h (vect_can_force_dr_alignment_p,
3168         get_vectype_for_scalar_type): Ditto.
3169         (vectorize_loops): Move prototype to ...
3170         * tree-vectorizer.h: ... here. Also, adjust comment.
3171         (vect_set_verbosity_level): Remove duplicate prototype.
3172         * tree-ssa-loop.c: Include tree-vectorizer.h.
3173         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
3174
3175 2009-07-08  Nick Clifton  <nickc@redhat.com>
3176
3177         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
3178         forward slash.
3179
3180 2009-07-08  DJ Delorie  <dj@redhat.com>
3181
3182         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
3183         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
3184         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
3185         written to.
3186         * config/mep/intrinsics.md: Regenerated.
3187         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
3188         registers when asm() or calls are detected.
3189
3190 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3191
3192         PR c++/31246
3193         * gimplify.c (gimplify_expr): Propagate no_warning flag when
3194         gimplifying.
3195         * gimple (gimple_build_call_from_tree): Likewise.
3196         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
3197         no_warning flag before warning.
3198
3199 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3200
3201         * tree.c (set_expr_locus): Remove.
3202         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
3203         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
3204         EXPR_LOCATION.
3205         * gimplify.c (internal_get_tmp_var): Likewise.
3206         (gimplify_call_expr): Likewise.
3207         (gimplify_one_sizepos): Likewise.
3208
3209 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
3210
3211         PR debug/40666
3212         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
3213         to variables for debugging purposes.
3214
3215 2009-06-23  Mark Loeser  <mark@halcy0n.com>
3216
3217         PR build/40010
3218         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
3219
3220 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3221
3222         * pretty-print.c (pp_base_format): Remove %J.
3223         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3224         gcc_cxxdiag_char_table): Likewise.
3225         (init_dynamic_diag_info): Likewise.
3226
3227 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3228
3229         * pretty-print.c (pp_base_format): Remove %H.
3230         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
3231         gcc_cxxdiag_char_table): Likewise.
3232         (init_dynamic_diag_info): Likewise.
3233         * config/mep/mep.c (mep_select_section): Likewise.
3234
3235 2009-07-07  Duncan Sands  <baldrick@free.fr>
3236
3237         * final.c (pass_clean_state): Give the pass a name.
3238         * passes.c (pass_rest_of_compilation): Likewise.
3239         * tree-optimize.c (pass_all_optimizations): Likewise.
3240
3241 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3242
3243         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
3244         an extra 'decl' for error_at.
3245
3246 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR middle-end/40669
3249         * tree-tailcall.c (adjust_return_value_with_ops,
3250         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
3251         if it has complex or vector type.
3252
3253 2009-07-07  Olivier Hainque  <hainque@adacore.com>
3254
3255         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
3256         pthread symbols.
3257
3258 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
3259
3260         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
3261
3262 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3263
3264         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
3265         * c-decl.c: Likewise.
3266         * function.c: Likewise.
3267         * varasm.c: Likewise.
3268         * tree-ssa.c: Likewise.
3269         * c-common.c: Likewise.
3270         * tree-cfg.c: Likewise.
3271         * config/spu/spu.c: Likewise.
3272         * config/ia64/ia64.c: Likewise.
3273         * config/v850/v850.c: Likewise.
3274
3275 2009-07-06  DJ Delorie  <dj@redhat.com>
3276
3277         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
3278         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
3279         unspecified accesses to control registers.
3280         * config/mep/intrinsics.md: Regenerate.
3281         * config/mep/intrinsics.h: Regenerate.
3282         * config/mep/mep-intrin.h: Regenerate.
3283
3284 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3285
3286         * c-lex.c: Replace %H by an explicit location. Update all calls.
3287         * c-common.c: Likewise.
3288         * c-decl.c: Likewise.
3289         * c-typeck.c: Likewise.
3290         * fold-const.c: Likewise.
3291         * gimplify.c: Likewise.
3292         * stmt.c: Likewise.
3293         * tree-cfg.c: Likewise.
3294         * tree-ssa-loop-niter.c: Likewise.
3295         * tree-vrp.c: Likewise.
3296         * value-prof.c: Likewise.
3297
3298 2009-07-06  Diego Novillo  <dnovillo@google.com>
3299
3300         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
3301         if it has one.  Handle cases where VAR does not have an
3302         annotation or cfun is NULL.
3303
3304 2009-07-06  Diego Novillo  <dnovillo@google.com>
3305
3306         * tree.c: Include debug.h.
3307         (initialize_tree_contains_struct): New.
3308         (init_ttree): Call it.
3309         (tree_node_structure_for_code): Factor out of ...
3310         (tree_node_structure): ... here.
3311         * treestruct.def (TS_PHI_NODE): Remove.
3312         (TS_GIMPLE_STATEMENT): Remove.
3313
3314 2009-07-06  Diego Novillo  <dnovillo@google.com>
3315
3316         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
3317         (debug_tree_chain): Handle cycles.
3318
3319 2009-07-06  Nick Clifton  <nickc@redhat.com>
3320             DJ Delorie  <dj@redhat.com>
3321
3322         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
3323         __FMOVD_ENABLED__ is defined.
3324         * config/sh/sh.h
3325         (TARGET_FMOVD): Provide a default definition.
3326         (MASK_FMOVD): Likewise.
3327         (TARGET_CPU_CPP_BUILTINS): Define
3328         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
3329         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
3330         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
3331         (split for DF load from memory into register): Also handle
3332         MEMs which consist of REG+DISP addressing.
3333         (split for DF store from register to memory): Likewise.
3334         (movsf_ie): Always use single fp_mode.
3335         * config/sh/sh.c (sh_override_options): Do not automatically
3336         enable TARGET_MOVD for the SH2A when supporting doubles - leave
3337         that to the -mfmovd command line switch.
3338         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
3339         (fldi_ok): Always allow.
3340         * config/sh/sh.opt (mfmovd): Remove this switch.
3341         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
3342
3343 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
3344             Kaz Kojima  <kkojima@gcc.gnu.org>
3345
3346         PR rtl-optimization/30807
3347         * postreload.c (reload_combine): For every new use of REG_SUM,
3348         record the use of BASE.
3349
3350 2009-07-06  Jan Hubicka  <jh@suse.cz>
3351
3352         * params.def: Revert my accidental commit at 2009-06-30.
3353
3354 2009-07-04  Ian Lance Taylor  <iant@google.com>
3355
3356         PR target/40636
3357         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
3358         EXPORTED_CONST.
3359         (mingw_format_attribute_overrides): Likewise.
3360
3361 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
3362
3363         PR debug/40596
3364         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
3365         don't check cfa.reg.  Instead of cfa.indirect use
3366         fde && fde->drap_reg != INVALID_REGNUM test.
3367
3368 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
3369
3370         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
3371
3372 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
3373
3374         PR target/40587
3375         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
3376
3377 2009-07-03  Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/40640
3380         * tree-switch-conversion.c (build_arrays): Perform arithmetic
3381         in original type.
3382
3383 2009-07-03  Jan Hubicka  <jh@suse.cz>
3384
3385         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
3386         for size, reduce amount of inlining.
3387
3388 2009-07-03  Richard Guenther  <rguenther@suse.de>
3389
3390         PR middle-end/34163
3391         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
3392         if t +- x is known to not overflow and the conversion widens the
3393         operation.
3394         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
3395
3396 2009-07-03  Jan Hubicka  <jh@suse.cz>
3397
3398         * ipa-pure-const.c (analyze): Update loop optimizer init.
3399         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
3400         try_remove_empty_loop, remove_empty_loops): Remove.
3401         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
3402         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
3403         to mark regular loops as neccesary.
3404         (degenerate_phi_p): New function.
3405         (propagate_necessity, remove_dead_phis): Use it.
3406         (forward_edge_to_pdom): Likewise.
3407         (eliminate_unnecessary_stmts): Take care to remove uses of results of
3408         virtual PHI nodes that became unreachable.
3409         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
3410         * tree-flow.h (remove_empty_loops): Remove.
3411         * passes.c (init_optimization_passes): Remove.
3412
3413 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
3414
3415         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
3416         can_create_pseudo_p.
3417         (*fix_trunc<mode>_i387_1): Ditto.
3418         (*floathi<mode>2_1): Ditto.
3419         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
3420         (*fistdi2_1): Ditto.
3421         (*fist<mode>2_1): Ditto.
3422         (frndintxf2_floor): Ditto.
3423         (*fist<mode>2_floor_1): Ditto.
3424         (frndintxf2_ceil): Ditto.
3425         (*fist<mode>2_ceil_1): Ditto.
3426         (frndintxf2_tru