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1 2010-12-08  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
4         instead of a division to divide by BITS_PER_UNIT.
5
6 2010-12-08  Richard Guenther  <rguenther@suse.de>
7
8         * gimplify.c (gimple_tree_eq): Assert hashes are equal only
9         when checking is enabled.
10
11 2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
12
13         PR target/43603
14         * haifa-sched.c (sched_create_recovery_edges): Update
15         dominator info.
16         * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
17         after deleting an empty block.
18         (tidy_control_flow): Also verify dominators.
19         (sel_remove_bb): Update dominator info after removing a block.
20         (sel_redirect_edge_and_branch_force): Assert that no unreachable
21         blocks will be created. Update dominator info.
22         (sel_redirect_edge_and_branch): Update dominator info when
23         basic blocks do not become unreachable.
24         (sel_remove_loop_preheader): Update dominator info. 
25
26 2010-12-07  Richard Guenther  <rguenther@suse.de>
27
28         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
29         Reset alignment information.
30         (bump_vector_ptr): Likewise.
31
32 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33
34         PR middle-end/46671
35         PR target/46685
36         * config/pa/pa.c (pa_function_section): New function.
37         (TARGET_ASM_FUNCTION_SECTION): Define.
38
39 2010-12-07  Ian Lance Taylor  <iant@google.com>
40             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
41
42         PR bootstrap/46810
43         * configure.ac: Disable AC_MSG_ERROR while looking for the C++
44         preprocessor.
45         * configure: Rebuild.
46
47 2010-12-07  Paul Koning  <ni1d@arrl.net>
48
49         * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
50         values with sign rather than as unsigned.
51
52 2010-12-07  Paul Koning  <ni1d@arrl.net>
53
54         * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
55         (pdp11_function_section): New function.
56
57 2010-12-07  Joseph Myers  <joseph@codesourcery.com>
58
59         * config/mcore/mcore.c Don't include assert.h.
60         (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
61         * config/spu/spu.c: Don't include assert.h.
62         (spu_sms_res_mii): Use gcc_assert.
63
64 2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>
65
66         PR tree-optimization/42327
67         * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
68         instead of using integer_minus_one_node.
69
70 2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>
71
72         PR c++/45330
73         * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
74         * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.
75
76 2010-12-07  Richard Guenther  <rguenther@suse.de>
77
78         PR tree-optimization/46832
79         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
80         that the call has a lhs.
81
82 2010-12-07  Yao Qi  <yao@codesourcery.com>
83
84         * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
85         * regrename.c (struct du_head): Add new element length.
86         (sort_du_head, get_element, merge, merge_sort_comparison):
87         New functions of merge sort implementation to du_head list.
88         (regrename_optimize): Sort du_head linked list by length.
89         Iterate registers in a preferred-register-first order.
90         Move some code to ...
91         (check_new_reg_p): here.  New function.
92         (create_new_chain):  Initialize length.
93         (scan_rtx_reg): Increase length for non-debug insns.
94         * target.def: New hook preferred_rename_class.
95         * targhook.c (default_preferred_rename_class): New.
96         * targhook.h: Declare it.
97         * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
98         * doc/tm.texi: Regenerate.
99
100 2010-12-07  Jakub Jelinek  <jakub@redhat.com>
101
102         PR debug/46799
103         * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
104         instead of BUILTINS_LOCATION.
105         (create_loop_fn): Add LOC argument, pass it to build_decl instead of
106         BUILTINS_LOCATION.
107         (create_parallel_loop): Add LOC argument, use it for OMP clauses
108         and GIMPLE_*OMP* statements.
109         (gen_parallel_loop): Determine locus for the parallel loop, pass it
110         to create_loop_fn and create_parallel_loop.
111         * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
112         set_curr_insn_source_location (UNKNOWN_LOCATION).
113
114 2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
115             Richard Guenther  <rguenther@suse.de>
116
117         PR target/46737
118         * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
119         (bfin_reorder_loops): Change type of index to intptr_t.
120
121 2010-12-07  Richard Guenther  <rguenther@suse.de>
122
123         PR tree-optimization/46726
124         * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).
125
126 2010-12-07  Richard Guenther  <rguenther@suse.de>
127
128         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
129         virtual operands.
130
131 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
132
133         * c-parser.c (c_parser_typeof_specifier): Removed special
134         treatment of objc_volatilized attribute for Objective-C.
135
136 2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>
137
138         * ira.c (update_equiv_regs): Prohibit move insns if
139         pressure-sensitive scheduling was done.
140
141 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
142
143         * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
144         of c_process_expr_stmt() for the iterating and collection
145         expressions of an Objective-C fast enumeration loop.
146
147 2010-12-06  Jakub Jelinek  <jakub@redhat.com>
148
149         PR debug/45997
150         * dwarf2out.c (modified_type_die): If both is_const_type and
151         is_volatile_type is set, start with DW_TAG_const_type or
152         DW_TAG_volatile_type depending on where we get qualified type
153         in the recursive call.
154
155         PR target/43897
156         * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
157         as a store into that register.
158
159         PR tree-optimization/46528
160         PR debug/46338
161         * profile.c (branch_prob): Make sure last is never set to a debug
162         stmt.
163
164         PR debug/46771
165         * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
166         on DEBUG_INSNs.
167
168         PR rtl-optimization/46777
169         * cfglayout.c (duplicate_insn_chain): Avoid duplicating
170         also barrier after tablejump.
171
172 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
173             Richard Henderson  <rth@redhat.com>
174
175         PR target/46740
176         * config/vax/vax.c (vax_output_int_move): Fold #if into if.
177
178 2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>
179
180         * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
181         * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.
182
183 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
184
185         PR target/46735
186         * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
187         (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
188         (int12_operand, int_2word_operand, uint16_operand): Likewise.
189         (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
190         (uint5_operand, uint4_operand): Likewise.
191         * config/frv/frv.h (IN_RANGE_P): Delete.
192         (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
193         (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
194         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
195         (CONST_OK_FOR_P): Likewise.
196         * config/frv/frv.md (*movqicc_internal2_int): Likewise.
197         (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
198         (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
199         (*movsicc_internal2_float, casesi): Likewise.
200         * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
201         (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
202         (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
203         (frv_split_cond_move, frv_rtx_costs): Likewise.
204
205         PR target/46739
206         * config/mmix/mmix.c (mmix_intval): Split shift count.
207
208 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
209
210         * config/i386/i386.c (m_COREI7): New.
211         (initial_ix86_tune_features): Turn on
212         X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
213         X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
214
215 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
216
217         * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.
218
219         * config/i386/driver-i386.c (host_detect_local_cpu): Support
220         Sandy Bridge.
221
222         * config/i386/i386.c (override_options): Handle "corei7-avx".
223
224         * doc/invoke.texi: Document corei7-avx.
225
226 2010-12-06  Richard Guenther  <rguenther@suse.de>
227
228         PR tree-optimization/46806
229         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
230         coalesce different types.
231
232 2010-12-06  Richard Guenther  <rguenther@suse.de>
233
234         PR tree-optimization/46785
235         * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
236         call statements as operand definition.
237
238 2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>
239
240         * doc/tm.texi.in: Fix typo.
241         * doc/tm.texi: Regenerate.
242
243 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
244
245         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
246         last change.
247
248 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
249
250         * c-family/c-common.h: Removed the declarations of all the objc_
251         callbacks, and moved them into c-objc.h.  Removed
252         objc_ivar_visibility_kind and moved it into c-objc.h.
253         * c-family/c-objc.h: New file.
254         * c-family/c-common.c: Include c-objc.h.
255         * c-family/c-format.c: Same change.
256         * c-family/stub-objc.c: Same change.
257         * c-decl.c: Include c-family/c-objc.h.
258         * c-parser.c: Same change.
259         * c-typeck.c: Same change.
260         * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
261         * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
262         (c-parser.o): same change.
263         (c-typeck.o): Same change.
264         (c-family/c-format.o): Same change.
265         (c-family/stub-objc.o): Same change.
266         (c-family/c-common.o): Same change.
267         (PLUGIN_HEADERS): Added c-family/c-objc.h.
268
269 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
270
271         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
272         --with-dwarf2 option.
273
274 2010-12-03  Jan Hubicka  <jh@suse.cz>
275
276         * lto-streamer-in.c (input_cfg): Fix pasto.
277
278 2010-12-03  Jan Hubicka  <jh@suse.cz>
279
280         * ipa.c (cgraph_externally_visible_p): Do not localize builtins
281         and functions with user asm defined names.
282         (varpool_externally_visible_p): Do not localize vars with user
283         asm defined names.
284
285 2010-12-03  Jan Hubicka  <jh@suse.cz>
286
287         * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
288         to prevent mangling with lto frontend.
289
290 2010-12-03  Jan Hubicka  <jh@suse.cz>
291
292         * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
293         * lto-cgraph.c (merge_profile_summaries): Fix thinko.
294
295 2010-12-03  Jan Hubicka  <jh@suse.cz>
296
297         PR tree-optimization/46760
298         * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
299         * cgraph.h (struct cgraph_node): Add count_materialization_scale.
300         * lto-cgraph.c (lto_output_edge): Fix assert.
301         (lto_output_node): Output count_materialization_scale.
302         (output_profile_summary): Output only runs and sum_max.
303         (input_node): Input count_materialization_scale.
304         (input_profile_summary): Read data into file specific gcov summary.
305         (merge_profile_summaries): New function.
306         (input_cgraph): Update call of input_profile_summary;
307         call merge_profile_summaries.
308         * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
309         rescale counts at read in.
310         (intput_bb): Likewise.
311         (input_function): Update call of input_bb.
312         (lto_read_body): Update call of input_cfg.
313         * lto-streamer.h: Inlclude gcov-io.h
314         (lto_file_decl_data): Add gcov_ctr_summary.
315
316 2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
317
318         * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
319         (Cond Exec Macros): ... to this.
320         * doc/tm.texi: Regenerate.
321
322 2010-12-03  Jason Merrill  <jason@redhat.com>
323
324         PR debug/46123
325         * dwarf2out.c (gen_tagged_type_die): Don't put local types in
326         a declaration DIE.
327
328 2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>
329
330         * config/arm/arm.c (arm_legitimate_index_p): Split
331         VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
332         slightly larger constants in the latter case.
333         (thumb2_legitimate_index_p): Likewise.
334
335 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
336
337         * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
338         * gcc.c (cc1_options): Add %{Qy:}.
339
340 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
341
342         * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
343         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
344         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.
345
346 2010-12-03  Alexander Monakov  <amonakov@ispras.ru>
347
348         PR rtl-optimization/45354
349         * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
350         (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
351         Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
352         * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.
353
354 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
355
356         * basic-block.h (struct edge_prediction): Remove forward
357         declaration.
358         * tree-flow.h (struct edge_prediction): Move from here...
359         * predict.c (struct edge_prediction): ...to here.
360         * cselib.h (struct elt_list): Move from here...
361         * cselib.c (struct elt_list): ...to here.
362
363 2010-12-02  Ian Lance Taylor  <iant@google.com>
364
365         * gcc.c (default_compilers): Add entry for ".go".
366         * common.opt: Add -static-libgo as a driver option.
367         * doc/install.texi (Configuration): Mention libgo as an option for
368         --enable-shared.  Mention go as an option for --enable-languages.
369         * doc/invoke.texi (Overall Options): Mention .go as a file name
370         suffix.  Mention go as a -x option.
371         * doc/frontends.texi (G++ and GCC): Mention Go as a supported
372         language.
373         * doc/sourcebuild.texi (Top Level): Mention libgo.
374         * doc/standards.texi (Standards): Add section on Go language.
375         Move references for other languages into their own section.
376         * doc/contrib.texi (Contributors): Mention that I contributed the
377         Go frontend.
378
379 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
380
381         * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
382         (const_call_expr_arg_iterator_d): Likewise.
383         (expanded_location): Likewise.
384         * c-tree.h (struct c_arg_tag_d): Likewise.
385         * dwarf2out.c (struct cfa_loc): Likewise.
386         (struct skeleton_chain_struct): Likewise.
387         * except.c (struct ttypes_filter): Likewise.
388         * cselib.h (struct cselib_val_struct): Likewise.
389         (elt_loc_list): Likewise.
390         (elt_list): Likewise.
391         * varasm.c (struct addr_const): Likewise.
392         * tree-flow.h (struct edge_prediction): Likewise.
393         (struct int_tree_map): Likewise.
394         (struct _edge_var_map): Likewise.
395
396 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
397
398         PR target/46768
399         * config/i386/i386.c (initial_ix86_tune_features): Turn on
400         X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
401
402 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
403
404         * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
405
406 2010-12-02  Ian Lance Taylor  <iant@google.com>
407
408         * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
409         header files unordered_map, tr1/unordered_map, and ext/hash_map.
410         * configure, config.in: Rebuild.
411
412 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
413
414         PR target/46685
415         * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
416         (sparc_expand_move): Call it to decide whether to emit the special
417         mov{si,di}_pic_label_ref patterns.
418         (sparc_legitimize_pic_address): Call it to decide whether to emit
419         the regular PIC sequence for labels.  Fix long line.
420         (sparc_file_end): Set is_thunk for the PIC helper.
421
422 2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>
423
424         * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
425         for a non-shared type.
426
427 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
428
429         PR middle-end/45297
430         * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
431         with MEM_REFs as POINTER_PLUS_EXPR.
432
433 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
434
435         * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
436         config/sparc/linux.h, config/sparc/linux64.h: Remove comments
437         mentioning /lib/elf.
438
439 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
440
441         * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
442         * config/frv/frv.h (LINK_SPEC): Remove %{b}.
443         * config/i386/netware.h (LINK_SPEC): Remove %{b}.
444         * config/i386/nto.h (LINK_SPEC): Remove %{b}.
445         * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
446         * config/sol2.h (LINK_SPEC): Remove %{b}.
447         * config/svr4.h (LINK_SPEC): Remove %{b}.
448
449 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
450
451         * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
452         * config/i386/linux.h (LINK_SPEC): Cut long comment.
453         * config/i386/netware.h (LINK_SPEC): Remove %{V}.
454         * config/m32r/linux.h (LINK_SPEC): Cut long comment.
455         * config/m68k/linux.h (LINK_SPEC): Cut long comment.
456         * config/sparc/linux.h (LINK_SPEC): Cut long comment.
457         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
458         * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
459         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
460         * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
461         %{v:%{!V:-V}}.
462
463 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
464
465         * gcc.c (trad_capable_cpp, default_compilers): Don't handle
466         -ftraditional.
467
468 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
469
470         * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
471         * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
472         * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
473         * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
474         * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
475         * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
476         * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
477         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
478         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
479         * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
480         * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
481         * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
482         * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
483         * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
484         * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
485         * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
486         * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
487         * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.
488
489 2010-12-02  Paul Koning  <ni1d@arrl.net>
490
491         * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
492         opcodes if CC_NO_OVERFLOW is set.
493         (notice_update_cc_on_set): Correct setting of CC0 as a side
494         effect; set CC_NO_OVERFLOW for cases where C flag is not
495         meaningful.
496
497 2010-12-02  Ian Lance Taylor  <iant@google.com>
498
499         * doc/install.texi (Configuration): Update default for
500         --with-boot-ldflags.
501
502 2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>
503
504         PR c/45062
505         * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
506         !funcdef_flag.
507
508 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
509
510         PR tree-optimization/45199
511         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
512         (stores_zero_from_loop): Call
513         mem_write_stride_of_same_size_as_unit_type_p.
514         * tree-data-ref.h (stride_of_unit_type_p): New.
515         * tree-loop-distribution.c (generate_memset_zero): Simplified.
516         Call stride_of_unit_type_p.
517         (build_rdg_partition_for_component): Do not call
518         rdg_flag_similar_memory_accesses when
519         flag_tree_loop_distribute_patterns is set.
520
521 2010-12-02  Richard Guenther  <rguenther@suse.de>
522
523         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
524         sign-changing conversions for induction detection.
525
526 2010-12-02  Richard Guenther  <rguenther@suse.de>
527
528         PR tree-optimization/46723
529         * tree-vect-loop.c (get_initial_def_for_induction): Strip
530         conversions from the induction evolution and apply it to
531         the result instead.
532         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
533         assigns for induction defs.
534
535 2010-12-02  Richard Guenther  <rguenther@suse.de>
536
537         * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
538         the case we need to split the edge and not the block.
539
540 2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>
541
542         DFA model for Core 2 and Core i7 scheduling.
543
544         * config/i386/core2.md: New DFA model for Core 2 and Core i7.
545         * config/i386/i386.c (ix86_option_override_internal): Update entries
546         for Core 2 and Core i7.
547         (ix86_issue_rate): Set issue rate to 3 [be realistic].
548         * config/i386/i386.md: Include "core2.md".
549         (define_attr cpu): Add "corei7".
550
551 2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
552
553         Define tuning for Core 2 and Core i7.
554
555         * config/i386/i386-c.c (ix86_target_macros_internal): Update.
556         * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
557         (m_CORE2): Replace with m_CORE2_{32,64}.
558         (m_CORE2I7{,_32,_64}): New macros.
559         (m_GENERIC32, m_GENERIC64): Update.
560         (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
561         (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
562         set m_CORE2I7_64 iff m_GENERIC64.
563         (processor_target_table): Use generic costs for Core 2 and Core i7.
564         (ix86_option_override_internal): Update entries for Core 2 and Core i7.
565         (ix86_issue_rate): Remove entry for Core 2.
566         (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
567         * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
568         (TARGET_CORE2): Update.
569         (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
570         (PROCESSOR_CORE2): Remove.
571
572 2010-12-02  Richard Guenther  <rguenther@suse.de>
573
574         * lto-streamer.h (LTO_major_version): Bump to 2.
575
576 2010-12-02  Richard Guenther  <rguenther@suse.de>
577
578         PR lto/44871
579         * gimple.c (canonical_type_hash_cache): New hashtable.
580         (gimple_type_hash): Make a wrapper around ...
581         (gimple_type_hash_1): ... this.  Take gtc_mode argument.
582         (gimple_canonical_type_hash): Likewise.
583         (gtc_visit): Take a gtc_mode argument.
584         (gimple_types_compatible_p_1): Likewise. Do not compare struct
585         tag names or field names when computing canonical types.
586         (gimple_types_compatible_p): Adjust.
587         (visit): Take a gtc_mode argument.
588         (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
589         names or field names when computing hashes of canonical types.
590         (gimple_register_canonical_type): Use gimple_canonical_type_hash
591         for the hash.
592         (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
593         (free_gimple_type_tables): Free canonical_type_hash_cache.
594
595 2010-12-02  Richard Guenther  <rguenther@suse.de>
596             Ira Rosen  <irar@il.ibm.com>
597
598         PR tree-optimization/46663
599         * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
600         FUNCTION_DECL exists and that it's a builtin.
601
602 2010-12-02  Jie Zhang  <jie@codesourcery.com>
603
604         PR middle-end/46674
605         * varasm.c (compute_visible_aliases): Handle user set
606         assembler name.
607
608 2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
609
610         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
611         thinko regarding setting -mno-<xxx> debug switches.
612         (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.
613
614 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
615
616         * intl.c: Don't include tm.h.
617         * Makefile.in (intl.o): Don't depend on $(TM_H).
618
619 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
620
621         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
622         unused warning.
623         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
624
625 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
626
627         * graphite-sese-to-poly.c (analyze_drs): Removed.
628         (build_scop_drs): Do not call analyze_drs.
629         (analyze_drs_in_stmts): New.
630         (insert_stmts): New.
631         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
632         (insert_out_of_ssa_copy_on_edge): Same.
633         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
634         (rewrite_phi_out_of_ssa): Same.
635         (rewrite_cross_bb_scalar_dependence): Same.
636         (split_reduction_stmt): Move data references in the new basic blocks.
637         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
638
639 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
640
641         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
642
643 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
644
645         PR middle-end/45297
646         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
647         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
648         * graphite-poly.h (new_poly_bb): Update declaration.
649         (gbb_from_bb): Moved here...
650         (pbb_from_bb): New.
651         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
652         Removed.
653         (graphite_stmt_p): Removed.
654         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
655         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
656         new_poly_bb.
657         (build_scop_bbs_1): Do not pass in sbitmap reductions.
658         (build_scop_bbs): Same.
659         (gbb_from_bb): ... from here.
660         (add_conditions_to_constraints): Moved up.
661         (analyze_drs): New.
662         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
663         not contain data references.
664         (new_pbb_from_pbb): New.
665         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
666         block is split.
667         (rewrite_close_phi_out_of_ssa): Update call to
668         insert_out_of_ssa_copy_on_edge.
669         (rewrite_reductions_out_of_ssa): Now static.
670         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
671         (split_pbb): New.
672         (split_reduction_stmt): Call split_pbb.
673         (translate_scalar_reduction_to_array): Pass in the scop, do not
674         pass in the sbitmap reductions.
675         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
676         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
677         (rewrite_commutative_reductions_out_of_ssa): Same.
678         (build_poly_scop): Call build_scop_bbs,
679         rewrite_commutative_reductions_out_of_ssa,
680         rewrite_reductions_out_of_ssa, and
681         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
682         before scop_to_lst.
683         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
684         Removed declaration.
685         (rewrite_reductions_out_of_ssa): Same.
686         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
687         (build_scop_bbs): Same.
688         * graphite.c (graphite_transform_loops): Do not initialize reductions.
689         Do not call build_scop_bbs,
690         rewrite_commutative_reductions_out_of_ssa,
691         rewrite_reductions_out_of_ssa, and
692         rewrite_cross_bb_scalar_deps_out_of_ssa.
693         * sese.h (struct gimple_bb): Add field pbb.
694         (GBB_PBB): New.
695
696 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
697
698         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
699         New.
700         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
701         handle_scalar_deps_crossing_scop_limits.
702         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
703         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
704
705 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
706
707         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
708         when replacing a constant in an ADDR_EXPR.
709
710 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
711
712         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
713         for the stride.
714         (lst_do_strip_mine): Same.
715         (scop_do_strip_mine): Same.
716         * graphite-poly.c (apply_poly_transforms): Update call to
717         scop_do_strip_mine.
718         * graphite-poly.h (scop_do_strip_mine): Update declaration.
719
720 2010-12-01  Jan Hubicka  <jh@suse.cz>
721
722         * tree.c (build_common_builtin_nodes): Do not initialize
723         BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
724         * builtins.c (expand_builtin_profile_func): Remove.
725         (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
726         BUILT_IN_PROFILE_FUNC_EXIT.
727         * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
728         (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
729         * gimplify.c (gimplify_function_tree): Reorganize code calling
730         profiling functions.
731
732 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
733
734         * opts.c: Expand comment on tm.h include.
735
736 2010-12-01  Yao Qi  <yao@codesourcery.com>
737
738         * config/arm/predicates.md ("vfp_register_operand"): Return true for
739         VFP_D0_D7_REGS classes.
740
741 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
742
743         * common.opt (flag_stack_check): New Variable entry.
744         (fcompare-debug-second): Use Var.
745         * flags.h (flag_compare_debug, flag_stack_check): Remove.
746         * opts.c (flag_compare_debug): Remove.
747         (common_handle_option): Don't handle OPT_fcompare_debug_second.
748         Set opts->x_flag_stack_check for OPT_fstack_check_.
749         * toplev.c (flag_stack_check): Remove.
750
751 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
752
753         * common.opt (main_input_filename, main_input_basename,
754         main_input_baselength): New Variable entries.  From toplev.c.
755         * final.c (output_quoted_string): Move from toplev.c.
756         * output.h (output_quoted_string): Move from toplev.h.
757         * opts-global.c (read_cmdline_options): Use gcc_options pointer to
758         access main_input_filename, main_input_baselength and
759         main_input_basename.
760         * targhooks.c: Include intl.h and opts.h.
761         (option_affects_pch_p, default_get_pch_validity): Move from
762         toplev.c.
763         * targhooks.h (option_affects_pch_p, default_get_pch_validity):
764         Move from toplev.h.
765         * toplev.c (main_input_filename, main_input_basename,
766         main_input_baselength): Move to common.opt.
767         (output_quoted_string): Move to final.c.
768         (warn_deprecated_use): Move to tree.c.
769         (option_affects_pch_p, default_get_pch_validity,
770         pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
771         * toplev.h (skip_leading_substring): Move to tree-dump.c.
772         (warn_deprecated_use): Move to tree.h.
773         (output_quoted_string): Move to output.h.
774         (main_input_filename, main_input_basename, main_input_baselength):
775         Move to common.opt.
776         (default_get_pch_validity, default_pch_valid_p): Move to
777         targhooks.c.
778         * tree-dump.c (skip_leading_substring): Move from toplev.h.
779         * tree.c (warn_deprecated_use): Move from toplev.c.
780         * tree.h (warn_deprecated_use): Move from toplev.h.
781         * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
782         config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
783         config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
784         config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
785         config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
786         config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
787         config/mcore/mcore.c, config/mep/mep.c,
788         config/microblaze/microblaze.c, config/mips/mips.c,
789         config/mmix/mmix.c, config/mn10300/mn10300.c,
790         config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
791         config/picochip/picochip.c, config/s390/s390.c,
792         config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
793         config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
794         config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
795         graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
796         varasm.c, xcoffout.c: Don't include toplev.h.
797         * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
798         gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
799         varasm.o, xcoffout.o): Update dependencies.
800         * config/arm/t-arm (arm.o): Update dependencies.
801         * config/spu/t-spu-elf (spu.o): Update dependencies.
802
803 2010-12-01  Richard Guenther  <rguenther@suse.de>
804
805         PR tree-optimization/46730
806         * value-prof.c (gimple_ic): Always generate a separate merge BB.
807
808 2010-11-30  Ian Lance Taylor  <iant@google.com>
809
810         * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
811         all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
812         * config/i386/linux64.h (ASM_SPEC): Likewise.
813         * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
814         * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
815         * config/i386/vxworks.h (ASM_SPEC): Likewise.
816         * config/i386/x86-64.h (ASM_SPEC): Likewise.
817         * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
818         * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.
819
820 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
821
822         * c-decl.c (finish_function): Call objc_finish_function in
823         Objective-C.
824         * c-typeck.c (convert_for_assignment): Do not call
825         objc_type_quals_match().
826
827 2010-11-30  Richard Guenther  <rguenther@suse.de>
828
829         PR tree-optimization/46722
830         * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
831         operands as arguments.
832         (execute_optimize_widening_mul): Also handle power of two as
833         multiplication.
834
835 2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
836
837         PR middle-end/46709
838         * cgraphunit.c (process_function_and_variable_attributes): Fix
839         cut'n'pasteo.
840
841 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
842
843         * hwint.c:  New.  Extracted from toplev.c.
844         * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
845         Move from toplev.h.
846         * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
847         Move to hwint.c.
848         * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
849         Move to hwint.h.
850         * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
851         explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
852         ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
853         real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
854         stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
855         tree-ssa-loop-niter.c, tree-vect-data-refs.c,
856         tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
857         tree-vrp.c: Don't include toplev.h.
858         * genattrtab.c, genconditions.c, genemit.c, genextract.c,
859         genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
860         toplev.h in generated output.
861         * Makefile.in (OBJS-common): Add hwint.o.
862         Dependencies for above files changed to remove toplev.h.
863         (hwint.o): New.
864         (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
865         insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
866         toplev.h.
867         * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
868         * config/i386/t-interix (winnt.o): Don't depend on toplev.h.
869
870 2010-11-30  Richard Guenther  <rguenther@suse.de>
871
872         PR tree-optimization/46717
873         * value-prof.c (gimple_ic): Preserve EH edges of the indirect
874         call.  Manually create EH edges for the direct call and update
875         target PHI nodes.
876
877 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
878
879         * diagnostic-core.h: Include bversion.h.
880         * toplev.h: Don't include input.h or bversion.h.
881         (parse_optimize_options): Don't declare here.
882         * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
883         caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
884         combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
885         config/host-darwin.c, config/i386/host-cygwin.c,
886         config/i386/host-mingw32.c, config/i386/msformat-c.c,
887         config/i386/netware.c, config/i386/nwld.c,
888         config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
889         config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
890         config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
891         config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
892         config/score/score3.c, config/score/score7.c,
893         config/sh/symbian-base.c, config/sh/symbian-c.c,
894         config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
895         config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
896         cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
897         fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
898         graphite-blocking.c, graphite-clast-to-gimple.c,
899         graphite-dependences.c, graphite-flattening.c,
900         graphite-interchange.c, graphite-poly.c,
901         graphite-scop-detection.c, graphite.c, haifa-sched.c,
902         implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
903         ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
904         lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
905         lto-opts.c, lto-section-in.c, lto-section-out.c,
906         lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
907         params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
908         regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
909         sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
910         sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
911         tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
912         tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
913         tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
914         tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
915         tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
916         tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
917         include toplev.h.
918         * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
919         toplev.h.  Dependencies for above files and c-family files changed
920         to remove $(TOPLEV_H) or toplev.h.
921         (C_TREE_H): Don't include $(TOPLEV_H).
922         (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
923         bversion.h.
924         * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
925         config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
926         config/t-darwin, config/t-sol2,
927         config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
928         Dependencies for above files changed to remove $(TOPLEV_H) or
929         toplev.h.
930
931 2010-11-30  Richard Guenther  <rguenther@suse.de>
932
933         PR lto/44986
934         * gcc.c (main): Use the first input with a compiler as infile
935         for link spec processing.
936
937 2010-11-30  Richard Guenther  <rguenther@suse.de>
938
939         PR lto/45949
940         * cgraphunit.c (ipa_passes): Stop after errors from
941         small IPA passes.
942
943 2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>
944
945         * gcc-plugin.h: Include coretypes.h.
946         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
947
948 2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
949
950         * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
951         * ggc-none.c (ggc_internal_alloc_zone_stat)
952         (ggc_internal_cleared_alloc_zone_stat): New.
953
954 2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
955
956         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
957         TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
958         (rs6000_emit_prologue): Don't set PIC register if
959         TARGET_SINGLE_PIC_BASE.
960         * config/rs6000/rs6000.opt (msingle-pic-base): New option.
961         * doc/invoke.texi (msingle-pic-base): Document.
962
963 2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>
964
965         PR driver/46712
966         * exec-tool.in (id): New.
967         Check and export LT_RCU_$id instead of LT_RCU.
968
969 2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>
970
971         PR tree-optimization/46675
972         * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
973         in offset calculation.
974
975 2010-11-29  Jan Hubicka  <jh@suse.cz>
976
977         * collect2.c (main): Do not imply verbose output with
978         LTO and linker plugin.
979
980 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
981
982         * dwarf2out.c (print_die): Print the address of the current DIE or
983         of any DIE referenced by the current one.
984
985 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
986
987         PR debug/46101
988         * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
989         function.
990         (scope_die_for, gen_type_die_for_member): Replace uses of
991         lookup_type_die with use of lookup_type_die_strip_naming_typedef.
992
993 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
994
995         * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
996         (darwin_asm_declare_object_name): Correct spelling.
997         (darwin_output_aligned_bss): Likewise.
998
999 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1000             Mike Stump  <mrs@gcc.gnu.org>
1001
1002         PR target/26427
1003         PR target/33120
1004         PR testsuite/35710
1005         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
1006         (ASM_OUTPUT_LOCAL): Likewise.
1007         * config/darwin-protos.h (darwin_asm_declare_object_name): New.
1008         (darwin_output_aligned_bss): Likewise.
1009         (darwin_asm_output_aligned_decl_local): Likewise.
1010         (darwin_asm_output_aligned_decl_common): Likewise.
1011         (darwin_use_anchors_for_symbol_p): Likewise.
1012         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
1013         (TARGET_ASM_OUTPUT_ANCHOR): Define.
1014         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1015         (DARWIN_SECTION_ANCHORS): Set to 1.
1016         * config/darwin.c (emit_aligned_common): New var.
1017         (darwin_init_sections): Check that the Darwin private zero-size section
1018         marker is in range.
1019         (darwin_text_section): Check for zero-sized objects.
1020         (darwin_mergeable_string_section): Likewise.
1021         (darwin_mergeable_constant_section): Likewise.
1022         (machopic_select_section): Adjust to check for zero-sized objects.
1023         Assert that OBJC meta data are non-zero sized.
1024         (darwin_asm_declare_object_name): New.
1025         (darwin_asm_declare_constant_name): Adjust for zero-sized
1026         object sections.
1027         (BYTES_ZFILL): Define.
1028         (darwin_emit_weak_or_comdat): New.
1029         (darwin_emit_local_bss): New.
1030         (darwin_emit_common): New.
1031         (darwin_output_aligned_bss): New.
1032         (darwin_asm_output_aligned_decl_common): New.
1033         (darwin_asm_output_aligned_decl_local): New.
1034         (darwin_file_end): Disable subsections_via_symbols when section
1035         anchoring is active.
1036         (darwin_asm_output_anchor): Re-enable.
1037         (darwin_use_anchors_for_symbol_p): New.
1038         (darwin_override_options): Check for versions that can emit
1039         aligned common.  Update usage of flags to current.
1040         * config/darwin-sections.def: Update comments and flags for
1041         non-anchor sections.  zobj_const_section, zobj_data_section,
1042         zobj_bss_section, zobj_const_data_section: New.
1043         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
1044         (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
1045         (L2_MAX_OFILE_ALIGNMENT): Define.
1046         (ASM_OUTPUT_ALIGNED_BSS): Define.
1047         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
1048         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
1049         (SECTION_NO_ANCHOR): Define.
1050         (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
1051         (DARWIN_SECTION_ANCHORS): Define with a default of 0.
1052
1053 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
1054
1055         * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
1056         Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
1057         (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
1058         Conditionally define.
1059         (GET_ENVIRONMENT): Poison.
1060         * configure.ac: Don't test for mincore.
1061         * configure: Regenerate.
1062         * config.in: Regenerate.
1063         * collect2-aix.c: Don't include <sys/mman.h>.
1064         * collect2.c: Don't include <signal.h>.
1065         (SIGCHLD): Don't define.
1066         (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
1067         * config/alpha/alpha.c: Include "splay-tree.h" instead of
1068         <splay-tree.h>.
1069         * config/arm/arm.c (arm_target_help): Use getenv instead of
1070         GET_ENVIRONMENT.
1071         * config/avr/driver-avr.c: Don't include <stdlib.h>.
1072         * config/frv/frv.c: Don't include <ctype.h>.
1073         * config/host-darwin.c: Don't include <sys/mman.h>.
1074         * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
1075         (MAP_FAILED): Don't define.
1076         * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
1077         * config/host-solaris.c: Don't include <sys/mman.h>.
1078         * config/i386/cygming.h: Don't include <stdio.h>.
1079         * config/i386/driver-i386.c: Don't include <stdlib.h>.
1080         * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
1081         * config/iq2000/iq2000.c: Don't include <signal.h>.
1082         * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
1083         * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
1084         * config/mep/mep-pragma.c: Don't include <stdio.h>.
1085         * config/microblaze/microblaze.c: Don't include <signal.h>.
1086         * config/mips/mips.c: Don't include <signal.h>.
1087         * config/rs6000/host-darwin.c: Don't include <signal.h>.
1088         * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
1089         * defaults.h (GET_ENVIRONMENT): Don't define.
1090         * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
1091         * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
1092         (SIGCHLD, MAP_FAILED, kill): Don't define.
1093         (process_command): Use getenv instead of GET_ENVIRONMENT.
1094         * genhooks.c: Don't include <string.h>.
1095         * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
1096         <sys/types.h>.
1097         (MAP_FAILED): Don't define.
1098         * ggc-page.c Don't include <sys/mman.h>.
1099         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1100         * ggc-zone.c: Don't include <sys/mman.h>.
1101         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1102         * graph.c: Include "config.h" instead of <config.h>.
1103         * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
1104         * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
1105         (SIGCHLD, kill): Don't define.
1106         * mips-tfile.c: Don't include <signal.h>.
1107         * opts.c: Don't include <signal.h> or <sys/resource.h>.
1108         (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
1109         * passes.c: Don't include <signal.h>, <sys/resource.h> or
1110         <sys/times.h>.
1111         * sparseset.h: Don't include <assert.h>.
1112         * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
1113         * tlink.c: Don't include "libiberty.h".
1114         * toplev.c: Don't include <signal.h> or <sys/times.h>.
1115         * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
1116         * tree-switch-conversion.c: Don't include <signal.h>.
1117         * vmsdbgout.c: Don't include <errno.h> or <string.h>.
1118
1119 2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
1120
1121         * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
1122         c_parser_objc_try_catch_finally_statement for consistency with the
1123         C++ parser.  Parse @catch(...) and pass NULL_TREE to
1124         objc_begin_catch_clause() in that case.  Improved error recovery.
1125         Reorganized code to be almost identical to
1126         cp_parser_objc_try_catch_finally_statement.
1127
1128 2010-11-29  Joern Rennecke  <amylaar@spamcop.net>
1129
1130         PR tree-optimization/46621
1131         * gimple.h: Don't include tm.h or hard-reg-set.h .
1132         * Makefile.in (GIMPLE_H): Remove $(TM_H).
1133
1134         PR bootstrap/44756
1135         * cppbuiltin.c: Include target.h .
1136         (define_builtin_macros_for_type_sizes):
1137         Use targetm.float_words_big_endian.
1138
1139 2010-11-27  Jan Hubicka  <jh@suse.cz>
1140
1141         * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
1142         and output cold_text_section_label.
1143         (dwarf2out_init): Don't do that there.
1144         (dwarf2out_finish): Handle cold section end label only if cold
1145         section was used.
1146
1147 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
1148
1149         * tree-nested.c (remap_vla_decls): Fully expand value expressions of
1150         VLA variables.
1151
1152 2010-11-27  Richard Guenther  <rguenther@suse.de>
1153
1154         * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
1155         (gimple_assign_ssa_name_copy_p): Likewise.
1156         (gimple_assign_unary_nop_p): Use is_gimple_assign.
1157         (is_gimple_cast): Remove.
1158         (gimple_assign_single_p): Move ...
1159         * gimple.h (gimple_assign_single_p): ... here.
1160         (is_gimple_cast): Remove.
1161         (gimple_assign_rhs_code): Simplify.
1162         * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
1163         instead of is_gimple_cast.
1164         * ipa-type-escape.c (look_for_casts): Likewise.
1165
1166 2010-11-26  Joseph Myers  <joseph@codesourcery.com>
1167
1168         * doc/options.texi (Enum, EnumValue): Document new record types.
1169         (Enum): Document new option flag.
1170         * opt-functions.awk
1171         * optc-gen.awk: Handle enumerated option arguments.
1172         * opth-gen.awk: Handle enumerated option arguments.
1173         * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
1174         enum_value_to_arg): New.
1175         (decode_cmdline_option): Handle enumerated arguments.
1176         (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
1177         (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
1178         * opts.c (print_filtered_help, print_specific_help): Take
1179         lang_mask arguments.
1180         (print_filtered_help): Handle printing values of enumerated
1181         options.  Print possible arguments for enumerated options.
1182         (print_specific_help): Update call to print_filtered_help.
1183         (common_handle_option): Update calls to print_specific_help.  Use
1184         value rather than arg for OPT_fdiagnostics_show_location_.  Don't
1185         handle OPT_ffp_contract_, OPT_fexcess_precision_,
1186         OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
1187         OPT_fira_region_ here.
1188         * opts.h (enum cl_var_type): Add CLVC_ENUM.
1189         (struct cl_option): Add var_enum.
1190         (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
1191         struct cl_enum, cl_enums, cl_enums_count): New.
1192         (CL_ERR_ENUM_ARG): Define.
1193         (CL_ERR_NEGATIVE): Update value.
1194         (enum_value_to_arg): Declare.
1195         * common.opt (flag_ira_algorithm, flag_ira_region,
1196         flag_fp_contract_mode, flag_excess_precision_cmdline,
1197         default_visibility, flag_tls_default): Remove Variable entries.
1198         (help_enum_printed): New Variable.
1199         (fdiagnostics-show-location=): Use Enum.  Add associated
1200         SourceInclude, Enum and EnumValue entries.
1201         (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
1202         ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
1203         associated Enum and EnumValue entries.
1204
1205 2010-11-26  Joern Rennecke  <amylaar@spamcop.net>
1206
1207         PR target/46623
1208         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1209         Use XALLOCAVEC.
1210         (microblaze_option_override): Don't use C++ style comments.
1211         (save_restore_insns): Remove unused variable base_offset.
1212         (microblaze_expand_prologue): Remove unused variable insn.
1213         (microblaze_secondary_reload): Adjust type to match target.h .
1214         (microblaze_elf_in_small_data_p): Move declarations to start of block.
1215         (microblaze_expand_move): Likewise.
1216         * config/microblaze/microblaze.h (LARGE_INT):
1217         Avoid signed / unsigned comparisons.
1218         (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
1219         (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
1220         (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.
1221
1222 2010-11-26  Michael Matz  <matz@suse.de>
1223
1224         * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.
1225
1226         * passes.c (init_optimization_passes): Remove superfluous
1227         copy-prop pass.
1228
1229 2010-11-26  Richard Guenther  <rguenther@suse.de>
1230
1231         PR lto/46648
1232         * gimple.c (gtc_visit): Do not return true for members of an
1233         SCC still being processed but the current lattice value of
1234         the member.  Treat SCC members comparison state as lattice,
1235         starting at equal, eventually dropping to unequal.
1236         (gimple_types_compatible_p_1): Likewise.
1237
1238 2010-11-26  Richard Guenther  <rguenther@suse.de>
1239
1240         PR middle-end/46559
1241         * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
1242         for location list processing.
1243
1244 2010-11-26  Richard Guenther  <rguenther@suse.de>
1245
1246         PR lto/46560
1247         * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
1248         flags manually.
1249
1250 2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1251
1252         * config/s390/s390.c (print_operand_address): Replace assert with
1253         error message.
1254         (print_operand): Replace assertions, gcc_unreachable and
1255         fatal_insn with error messages.
1256
1257 2010-11-26  Richard Guenther  <rguenther@suse.de>
1258
1259         PR tree-optimization/46665
1260         * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.
1261
1262 2010-11-26  Ian Bolton  <ian.bolton@arm.com>
1263
1264         * config/arm/arm.c (arm_option_override): enable loop array
1265         prefetching at -O3 for suitable targets, and configure params.
1266         * config/arm/arm-protos.h (struct tune_params): Add fields for
1267         configuring loop array prefetching.
1268
1269 2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>
1270
1271         * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.
1272
1273 2010-11-26  Richard Guenther  <rguenther@suse.de>
1274
1275         PR tree-optimization/46664
1276         * tree-affine.c (aff_combination_to_tree): Add rest last.
1277
1278 2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1279
1280         PR target/33637
1281         * configure.ac: Accept extra arguments for AS_FOR_TARGET,
1282         LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
1283         * configure: Regenerated.
1284         * exec-tool.in: Not quoting command, may have extra arguments.
1285
1286 2010-11-26  Richard Guenther  <rguenther@suse.de>
1287
1288         PR tree-optimization/46528
1289         PR debug/46338
1290         * profile.c (branch_prob): Do not split blocks based on locations
1291         from debug statements.
1292
1293 2010-11-26  Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR middle-end/46647
1296         * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
1297         of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.
1298
1299         PR bootstrap/45700
1300         * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
1301         build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
1302         (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
1303         build6_loc): Define.
1304         * fold-const.c (protected_set_expr_location_unshare): New inline.
1305         (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
1306         (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
1307         pedantic_omit_one_operand_loc, omit_two_operands_loc,
1308         fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
1309         optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
1310         build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
1311         fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
1312         instead of buildN followed by SET_EXPR_LOCATION or
1313         protected_set_expr_location.
1314         (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
1315         Use buildN_stat_loc instead of buildN_stat followed by
1316         SET_EXPR_LOCATION.
1317
1318 2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>
1319
1320         * Makefile.in (s-tm-texi): Remove spurous tab.
1321
1322 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1323
1324         PR debug/46258
1325         * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
1326         debug stmts.
1327
1328 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1329
1330         * toplev.c (finalize): Add no_backend parameter.  Don't finish
1331         passes when preprocessing only.  Adjust...
1332         (do_compile): ... caller.
1333
1334 2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1335
1336         * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
1337         flag_unsafe_math_optimizations.
1338         (negsf2): Likewise.
1339         Move fnegabs related patterns together.  Only use fmpynfadd instruction
1340         to negate a multiply if !flag_signed_zeros is true.
1341
1342 2010-11-25  Uros Bizjak  <ubizjak@gmail.com>
1343
1344         * gengtype-state.c (read_state_structures): Initialize "previous".
1345
1346 2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
1347             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1348
1349         * gengtype-state.c: Add new file.
1350
1351         * gengtype.c (type count): New variable.
1352         (new_structure, find_param_structure, create_pointer)
1353         (create_array): Use it to set state_number in types.
1354         (dump_everything): Improve comment.
1355         (main): Call read_state and write_state. Print type_count.
1356
1357         * gengtype.h (type_lineloc): New function.
1358         (read_state, write_state): New declarations.
1359
1360         * Makefile.in (GENGTYPE_FLAGS): New variable.
1361         (s-gtype): Run gengtype twice and generate gtype.state.
1362         (build/gengtype-state.o): New rule.
1363         (build/gengtype$(build_exeext)): Link gengtype-state.o.
1364         (mostlyclean): Update comment.  Remove gtype.state.
1365
1366 2010-11-25  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR middle-end/46637
1369         * combine.c (try_combine): When substing i2dest for i2src, pass
1370         1 as last argument even if
1371         i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.
1372
1373 2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>
1374
1375         PR middle-end/46647
1376         * builtins.c (target_char_cast): Check INTEGER_CST instead of
1377         host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.
1378
1379 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
1380
1381         * target.def (supports_split_stack, except_unwind_info): Take
1382         gcc_options parameters.
1383         * targhooks.c (default_except_unwind_info,
1384         dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
1385         gcc_options parameters.
1386         * targhooks.h (default_except_unwind_info,
1387         dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
1388         prototypes.
1389         * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
1390         TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
1391         Document that hooks must not be modified.
1392         (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
1393         * doc/tm.texi: Regenerate.
1394         * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
1395         &global_options to targetm.except_unwind_info.
1396         * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
1397         dwarf2out_begin_prologue, dwarf2out_frame_init,
1398         dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
1399         &global_options to targetm.except_unwind_info.
1400         * except.c (init_eh, finish_eh_generation,
1401         gate_convert_to_eh_region_ranges,
1402         output_one_function_exception_table): Pass &global_options to
1403         targetm.except_unwind_info.
1404         * expr.c (build_personality_function): Pass &global_options to
1405         targetm.except_unwind_info.
1406         * function.c (expand_function_end): Pass &global_options to
1407         targetm.except_unwind_info.
1408         * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
1409         * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
1410         * opts.c (finish_options): Pass opts to targetm.except_unwind_info
1411         and targetm.supports_split_stack.  Remove assertions about opts
1412         and opts_set.
1413         (common_handle_option): Remove assertions about opts, opts_set and dc.
1414         * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
1415         &global_options to targetm.except_unwind_info.
1416         * tree.c (build_common_builtin_nodes: Pass &global_options to
1417         targetm.except_unwind_info.
1418         * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
1419         (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
1420         thumb1_expand_prologue, thumb1_output_function_prologue,
1421         arm_unwind_emit, arm_output_fn_unwind): Update calls to
1422         arm_except_unwind_info.
1423         * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
1424         parameter.
1425         * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
1426         parameter.
1427         (ia64_output_function_prologue, ia64_add_bundle_selector_before,
1428         ia64_reorg, ia64_asm_unwind_emit): Update calls to
1429         ia64_except_unwind_info.
1430         * config/pa/pa.c (pa_option_override): Pass &global_options to
1431         targetm.except_unwind_info.
1432         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
1433         Remove prototype.
1434
1435 2010-11-25  Kai Tietz  <kai.tietz@onevision.com>
1436
1437         * cgraphunit.c (process_function_and_variable_attributes):
1438         Mark dllexport-ed function/variables as needed.
1439         * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
1440         as externally visible.
1441
1442 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1443
1444         PR rtl-optimization/46585
1445         * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
1446         (vinsn_init): Skip computation of dependencies for local NOPs.
1447         (vinsn_delete): Don't try to free regsets for local NOPs.
1448         (setup_nop_and_exit_insns): Change definition of nop_pattern.
1449
1450 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1451
1452         PR rtl-optimization/46602
1453         * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
1454         (tidy_control_flow): Here.
1455
1456 2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
1457             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1458
1459         PR bootstrap/45888
1460         * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
1461         Fix target.def pathname in timestamp comparison.
1462
1463 2010-11-24  Richard Henderson  <rth@redhat.com>
1464
1465         * config/ia64/predicates.md (pmpyshr_operand): New.
1466         * config/ia64/ia64.c (ia64_expand_unpack): New.
1467         (ia64_expand_widen_mul_v4hi): New.
1468         (ia64_expand_widen_sum): Update for pattern renames.
1469         (ia64_expand_dot_prod_v8qi): Likewise.
1470         * config/ia64/ia64-protos.h: Update.
1471         * config/ia64/vect.md (vecwider): New mode attribute.
1472         (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
1473         (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
1474         (pmpyshr2, pmpyshr2_u): New.
1475         (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
1476         (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
1477         (mulv2si3): New.
1478         (vec_pack_ssat_v4hi): Rename from pack2_sss.
1479         (vec_pack_usat_v4hi): Rename from *pack2_uss.
1480         (vec_pack_ssat_v2si): Rename from pack4_sss.
1481         (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
1482         vec_select operation.
1483         (vec_interleave_highv8qi): Similarly.
1484         (mux1_alt): Rename from *mux1_alt.
1485         (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
1486         (vec_interleave_lowv4hi): Rename from unpack2_l.
1487         (vec_interleave_highv4hi): Rename from unpack2_h.
1488         (mix2_r): Rename from *mix2_r.
1489         (mix2_l): Similarly.
1490         (vec_extract_evenodd_helper): New.
1491         (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
1492         (vec_interleave_lowv2si): Rename from *unpack4_l.
1493         (vec_interleave_highv2si): Rename from *unpack4_h.
1494         (vec_extract_evenv2si, vec_extract_oddv2si): New.
1495         (vec_interleave_lowv2sf): Rename from fmix_r.
1496         (vec_interleave_highv2sf): Rename from *fmix_l.
1497         (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
1498         (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
1499         (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
1500         (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.
1501
1502 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
1503
1504         * targhooks.c (default_except_unwind_info): Remove
1505         MUST_USE_SJLJ_EXCEPTIONS case.
1506         * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
1507         * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
1508         * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
1509         * doc/tm.texi: Regenerate.
1510         * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.
1511
1512 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
1513
1514         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
1515         __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
1516         * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
1517         * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
1518         * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
1519
1520 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1521
1522         PR target/46519
1523         * config/i386/i386.c (ix86_expand_call): Don't check
1524         TREE_THIS_VOLATILE.
1525
1526 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1527
1528         PR target/46519
1529         * config/i386/i386.c (upper_128bits_state): New.
1530         (block_info_def): Remove upper_128bits_set and done.  Add state,
1531         referenced, count, processed and rescanned.
1532         (check_avx256_stores): Updated.
1533         (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
1534         Call note_stores only if needed.  Set referenced and count.
1535         (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
1536         (rescan_move_or_delete_vzeroupper): New.
1537         (move_or_delete_vzeroupper):  Process and rescan all all basic
1538         blocks instead of predecessor blocks of all exit points.
1539         (ix86_option_override_internal): Enable vzeroupper optimization
1540         only for -fexpensive-optimizations and not optimizing for size.
1541         (use_avx256_p): Removed.
1542         (init_cumulative_args): Don't set use_avx256_p.
1543         (ix86_function_arg): Likewise.
1544         (ix86_expand_move): Likewise.
1545         (ix86_expand_vector_move_misalign): Likewise.
1546         (ix86_local_alignment): Likewise.
1547         (ix86_minimum_alignment): Likewise.
1548         (ix86_expand_epilogue): Don't check use_avx256_p when generating
1549         vzeroupper.
1550         (ix86_expand_call): Likewise.
1551
1552         * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
1553         and use_avx256_p.  Add rescan_vzeroupper_p.
1554
1555 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
1556
1557         * toplev.c: Include <signal.h>.
1558
1559 2010-11-24  Richard Guenther  <rguenther@suse.de>
1560
1561         PR lto/43218
1562         * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
1563         conflicting function signatures as non-inlineable.
1564
1565 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
1566
1567         PR rtl-optimization/46614
1568         * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
1569          (deps_analyze_insn): Mark JUMP_INSNs in
1570         last_pending_memory_flush that weren't added through
1571         flush_pending_lists with NON_FLUSH_JUMP_KIND.
1572         (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
1573         on INSN_LIST instead of JUMP_P check on its operand.
1574         * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.
1575
1576 2010-11-24  Richard Guenther  <rguenther@suse.de>
1577
1578         * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.
1579
1580 2010-11-24  Richard Guenther  <rguenther@suse.de>
1581
1582         PR lto/46606
1583         * lto-streamer-in.c (input_gimple_stmt): When we cannot find
1584         a FIELD_DECL that is type correct issue a warning and fixup
1585         with a VIEW_CONVERT_EXPR.
1586
1587 2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
1588
1589         * doc/invoke.texi (Options for Debugging Your Program or GCC):
1590         Explain static numbering of dump files.
1591
1592 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
1593
1594         * common.opt (user_vect_verbosity_level): New Variable entry.
1595         (ftree-vectorizer-verbose=): Mark as UInteger.
1596         * flag-types.h (enum vect_verbosity_levels): Move from enum
1597         verbosity_levels in tree-vectorizer.h.
1598         * opts.c: Don't include tree.h.
1599         (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
1600         gcc_options parameter; take integer option argument.
1601         (common_handle_option): Update call to vect_set_verbosity_level.
1602         * tree-vectorizer.c (user_vect_verbosity_level): Remove.
1603         (vect_set_verbosity_level): Move to opts.c.
1604         (vect_verbosity_level, vect_print_dump_info): Update for change of
1605         enum name.
1606         * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
1607         (vect_print_dump_info): Update for change of enum name.
1608         * tree.h (vect_set_verbosity_level): Remove.
1609         * Makefile.in (opts.o): Update dependencies.
1610
1611 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR middle-end/46629
1614         * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
1615         instead of insn with any_condjump_p.
1616
1617 2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>
1618
1619         * config/mips/loongson.md: Change the description comment of the file
1620         and update the copyright years.
1621         (define_insn "<u>div<mode>3): Add loongson3a support.
1622         (define_insn "<u>mod<mode>3"): Likewise.
1623         * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
1624         mul<mode>3_mul3_loongson.
1625         (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
1626         (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.
1627
1628 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1629
1630         * common.opt (initial_max_fld_align, flag_debug_asm,
1631         flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
1632         flag_print_asm_name, graph_dump_format, help_printed,
1633         help_columns, flag_opts_finished): New Variable entries.
1634         (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
1635         frandom-seed=): Mark deferred.
1636         (fsched-verbose=): Use UInteger and Var.
1637         * flags.h (set_struct_debug_option, flag_print_asm_name,
1638         rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
1639         graph_dump_format): Don't declare here.
1640         * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
1641         * opts-global.c: Include dbgcnt.h and debug.h.
1642         (decode_options): Pass location to finish_options.
1643         (handle_common_deferred_options): Check flag_dump_all_passed.
1644         Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
1645         OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
1646         OPT_fstack_limit.
1647         * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
1648         (set_struct_debug_option): Add location_t parameter.  Update
1649         recursive call.  Use error_at.
1650         (default_options_optimization): Use error_at.
1651         (finish_options): Add location_t parameter.  Use
1652         opts->x_flag_opts_finished instead of first_time_p.  Use
1653         opts->x_optimize instead of optimize.  Use error_at.  Pass
1654         location to inform.
1655         (print_filtered_help): Use opts->x_help_printed to track what
1656         options have been printed.
1657         (print_specific_help): Use opts->x_help_columns to track number of
1658         columns.
1659         (common_handle_option): Pass locations and gcc_options pointers to
1660         more functions.  Use warning_at instead of fnotice and warning.
1661         Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
1662         OPT_fdebug_prefix_map_.  Use error_at.  Set
1663         opts->x_initial_max_fld_align; don't set maximum_field_alignment.
1664         Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
1665         OPT_fsched_verbose_.
1666         (handle_param): Add location_r parameter.  Use error_at.
1667         (set_debug_level): Add location_r parameter.  Use error_at and
1668         warning_at.
1669         (setup_core_dumping): Add diagnostic_context parameter.
1670         (decode_d_option): Add gcc_options, location_t and
1671         diagnostic_context parameters and use them instead of global
1672         state.  Use warning_at.
1673         (enable_warning_as_error): Use error_at.
1674         * opts.h (finish_options): Update prototype.
1675         (set_struct_debug_option): Declare here.
1676         * rtl.h (fix_sched_param): Remove.
1677         * stor-layout.c (initial_max_fld_align): Remove.
1678         * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
1679         graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
1680         (process_options): Set maximum_field_alignment.
1681         * tree.h (initial_max_fld_align) Don't declare here.
1682         * Makefile.in (opts.o, opts-global.o): Update dependencies.
1683
1684 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1685
1686         * flag-types.h (struct visibility_flags): Don't declare here.
1687         * flags.h (strip_off_ending, fast_math_flags_set_p,
1688         fast_math_flags_struct_set_p): Declare here.
1689         (visibility_options): Don't declare here.
1690         * opts-common.c (option_enabled, get_option_state): Move from
1691         opts.c.
1692         * opts-global.c: Include diagnostic.h instead of
1693         diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
1694         and toplev.h.
1695         (const_char_p, ignored_options, in_fnames, num_in_fnames,
1696         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
1697         print_ignored_options, unknown_option_callback,
1698         post_handling_callback, lang_handle_option, add_input_filename,
1699         read_cmdline_options, initial_lang_mask, init_options_once,
1700         decode_cmdline_options_to_array_default_mask,
1701         set_default_handlers, decode_options): Move from opts.c.
1702         (print_ignored_options): Use warning_at instead of saving and
1703         restoring input_location.
1704         * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
1705         instead of expr.h.  Don't include langhooks.h, except.h or
1706         lto-streamer.h.  Add more comments on includes.
1707         (strip_off_ending, setup_core_dumping, decode_d_option): Move from
1708         toplev.c.
1709         (visibility_options): Move to c-family/c-common.c.
1710         (const_char_p, ignored_options, in_fnames, num_in_fnames,
1711         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
1712         print_ignored_options, unknown_option_callback,
1713         post_handling_callback, lang_handle_option, add_input_filename,
1714         read_cmdline_options, initial_lang_mask, init_options_once,
1715         decode_cmdline_options_to_array_default_mask,
1716         set_default_handlers, decode_options): Move to opts-global.c.
1717         (target_handle_option, default_options_optimization,
1718         finish_options, common_handle_option): Remove static.
1719         (option_enabled, get_option_state): Move to opts-common.c.
1720         * opts.h (common_handle_option, target_handle_option,
1721         finish_options, default_options_optimization): Declare.
1722         * toplev.c: Don't include <signal.h> or <sys/resource.h>.
1723         (setup_core_dumping, strip_off_ending, decode_d_option): Move to
1724         opts.c.
1725         * toplev.h (strip_off_ending, decode_d_option,
1726         fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
1727         declare here.
1728         * Makefile.in (opts.o, opts-global.o): Update dependencies.
1729
1730 2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>
1731
1732         PR driver/42690
1733         * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
1734         options, replace by call of pass-through-libs spec function to process
1735         link_gcc_c_sequence spec.
1736         (lto_libgcc_spec): Delete variable.
1737         (static_specs[]): Remove related entry.
1738         (static_spec_functions[]): Add new entry for pass-through-libs.
1739         (main): Don't generate deleted lto_libgcc_spec.
1740         (pass_through_libs_spec_func): New function to implement the new
1741         pass-through-libs spec function.
1742         * doc/invoke.texi (pass-through-libs): Document new spec function.
1743
1744 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1745
1746         * doc/options.texi (Warning, Optimization): Document.
1747
1748 2010-11-23  Jan Hubicka  <jh@suse.cz>
1749
1750         * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
1751         (tree_decl_with_vis): Add implicit_section_name_p.
1752         * targhooks.h (default_function_section): Declare.
1753         * target.def (function_section): New hook.
1754         * defaults.h (HOT_TEXT_SECTION_NAME,
1755         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1756         * predict.c (choose_function_section): Remove.
1757         (estimate_bb_frequencies): Do not use choose_function_section.
1758         * coretypes.h (enum node_frequency): Move here from cgraph.h
1759         * cgraph.h (enum node_frequency): Remove.
1760         * varasm.c (initialize_cold_section_name, unlikely_text_section,
1761         unlikely_text_section_p): Remove.
1762         (named_subsection_entry): New structure.
1763         (get_text_section): New function.
1764         (default_function_section): New function.
1765         (function_section_1): Break out from ...; handle profile info.
1766         (function_section): ... here.
1767         (unlikely_text_section): Remove.
1768         (unlikely_text_section_p): Use function_section_1.
1769         (assemble_start_function): Do not initialize cold section.
1770         (default_section_type_flags): Do not special case cold subsection.
1771         (switch_to_section): Likewise.
1772         * output.h (get_text_section): Define.
1773         * config/i386/winnt.c: Do not special case cold section.
1774         * config/darwin-protos.h (darwin_function_section): Declare.
1775         * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
1776         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1777         * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
1778         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1779         (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
1780         * config/ia64/ia64.c (ia64_hpux_function_section): New function.
1781         * config/darwin.c (machopic_select_section): Use
1782         darwin_function_section.
1783         (darwin_function_section): New function.
1784         * config/darwin.h (HOT_TEXT_SECTION_NAME,
1785         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1786         (TARGET_ASM_FUNCTION_SECTION): Define.
1787         * system.h (HOT_TEXT_SECTION_NAME,
1788         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.
1789
1790 2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1791
1792         * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
1793         LINK_GCC_C_SEQUENCE_SPEC: Define new macro.
1794
1795 2010-11-23  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR middle-end/46499
1798         * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
1799         following unconditional jumps.
1800
1801 2010-11-23  Richard Guenther  <rguenther@suse.de>
1802
1803         * doc/md.texi (386 constraints): Clarify A constraint documentation.
1804
1805 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
1806             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1807
1808         * gengtype.c (enum typekind, struct options)
1809         (struct nested_ptr_data, struct pair, NUM_PARAM)
1810         (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
1811         Move to gengtype.h.
1812         (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
1813         Remove static, add zero state_number.
1814         (typedefs, structures, param_structs, variables): Remove static.
1815         (create_option): Remove.
1816         (create_string_option, create_type_option, create_nested_option):
1817         New functions.
1818         (create_nested_ptr_option): Use create_nested_option.
1819         (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
1820         new create*option functions.
1821         (process_gc_options): Adjust for discriminated option.
1822         (output_mangled_typename): Handle TYPE_NONE.
1823         (walk_type): Test option kinds.
1824         (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
1825         (write_func_for_structure, write_type, write_local, write_root)
1826         (write_roots, note_def_vec, dump_options): Adjust for
1827         discriminated option.
1828
1829         * gengtype.h (typedefs, structures, param_structs, variables
1830         enum typekind): Move from gengtype.c
1831         (enum option_kind): New discriminating enumeration.
1832         (struct options): Becomes discriminated.
1833         (struct nested_ptr_data): Nove from gengtype.c
1834         (create_string_option, create_type_option, create_nested_option)
1835         (create_nested_ptr_option): New functions
1836         (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
1837         (UNION_OR_STRUCT_P): Move from gengtype.c
1838
1839         * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
1840         discriminated options.
1841
1842 2010-11-23  Richard Guenther  <rguenther@suse.de>
1843
1844         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
1845         twice.  Avoid re-allocating the ops vector all the time.
1846
1847 2010-11-23  Richard Guenther  <rguenther@suse.de>
1848
1849         * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
1850         is_gimple_min_invariant, group tree code checks to allow
1851         combining them.
1852         (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
1853         of is_gimple_reg.
1854
1855 2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>
1856
1857         * config.gcc (sparc*-*-*): Reorder.
1858
1859 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
1860
1861         * gengtype.c (header_dot_h_frul, source_dot_c_frul):
1862         Remove ENABLE_CHECKING around DBGPRINTF.
1863
1864 2010-11-22  Joseph Myers  <joseph@codesourcery.com>
1865
1866         * common.opt (exit_after_options, write_symbols, debug_info_level,
1867         use_gnu_debug_info_extensions): New Variable entries.
1868         (fprofile-dir=): Use Var.
1869         * flag-types.h (enum debug_info_level): Rename to enum
1870         debug_info_levels.
1871         * flags.h (write_symbols, debug_info_level,
1872         use_gnu_debug_info_extensions): Remove declarations.
1873         * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
1874         (set_struct_debug_option): Make static variables const.
1875         (use_gnu_debug_info_extensions): Remove.
1876         (set_debug_level, print_filtered_help, print_specific_help,
1877         fast_math_flags_set_p): Take gcc_options parameters and use them
1878         in place of global variables.
1879         (print_filtered_help): Make new_help non-static.
1880         (print_specific_help): Update call to print_filtered_help.
1881         (common_handle_option): Update calls to print_specific_help.  Use
1882         gcc_options structure for more settings.  Make --help table
1883         const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
1884         set_debug_level.
1885         * toplev.c (profile_data_prefix): Remove.
1886         * toplev.h (profile_data_prefix, exit_after_options): Remove
1887         declarations.
1888         (fast_math_flags_set_p): Update prototype.
1889         * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
1890         Update call to fast_math_flags_set_p.
1891
1892 2010-11-22  Richard Henderson  <rth@redhat.com>
1893
1894         PR target/46434
1895         * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
1896         return the address register extracted.
1897         (crx_decompose_address): Update the extracted address register.
1898
1899 2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1900
1901         PR driver/43335
1902         * gcc.c (main): Don't crash when lto-wrapper program is not found.
1903
1904 2010-11-22  Joern Rennecke  <amylaar@spamcop.net>
1905
1906         PR target/46608
1907         * config/picochip/picochip.c (picochip_secondary_reload): Make static.
1908         * config/picochip/picochip-protos.h: Don't include "target.h" .
1909         (picochip_secondary_reload): Don't declare.
1910
1911         PR target/46613
1912         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
1913         * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
1914         static.
1915
1916 2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>
1917
1918         PR bootstrap/46609
1919         * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
1920         (source_dot_c_frul): Likewise.
1921
1922 2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
1923
1924         * gimple-pretty-print.c (dump_bb_header): Add check for cfun.
1925
1926 2010-11-22  Paolo Bonzini  <bonzini@gnu.org>
1927
1928         PR bootstrap/44970
1929         * Makefile.in (fwprop.o) Add sparseset.h.
1930         * fwprop.c: Include sparseset.h
1931         (struct find_occurrence_data, find_occurrence_callback,
1932         find_occurrence): Remove.
1933         (active_defs, active_defs_check, register_active_defs,
1934         update_df_init, update_uses): New.
1935         (update_df): Rewrite.
1936         (try_fwprop_subst, forward_propagate_asm): Add calls to
1937         update_df_init and update_df.
1938         (fwprop_init): Allocate active_defs and active_defs_check.
1939         (fwprop_done): Free them.
1940         (fwprop, fwprop_addr): Adjust comments.
1941         * df.h (df_uses_create): Declare.
1942         * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
1943         (df_ref_create): Return result of df_ref_create_structure directly.
1944         (df_ref_create_structure): Call df_install_ref_incremental when
1945         no collection_rec is passed.
1946         (df_ref_record): Do not create multiword hard reg info when no
1947         collection_rec is passed.
1948         (df_uses_create): New.
1949
1950 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         PR middle-end/43057
1953         * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
1954         setting location.
1955
1956 2010-11-22  Richard Guenther  <rguenther@suse.de>
1957
1958         * gimple-fold.c (maybe_fold_reference): When canonicalizing
1959         MEM_REFs, preserve volatileness.
1960         * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
1961         addresses.
1962
1963 2010-11-22  Richard Guenther  <rguenther@suse.de>
1964
1965         * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.
1966
1967 2010-11-22  Alexander Monakov  <amonakov@ispras.ru>
1968
1969         PR rtl-optimization/45652
1970         * alias.c (get_reg_base_value): New.
1971         * rtl.h (get_reg_base_value): Add prototype.
1972         * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
1973         non-null REG_BASE_VALUE for renaming.
1974
1975 2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
1976             Basile Starynkevitch  <basile@starynkevitch.net>
1977
1978         * gengtype.c: Include xregex.h and obstack.h
1979         Added comments about role of get_output_file_with_visibility and
1980         our regexpr machinery.
1981         (frul_actionrout_t, struct file_rule_st): New.
1982         (hader_dot_h_frul, source_dot_c_frul): New functions.
1983         (NULL_REGEX,  NULL_FRULACT): New.
1984         (files_rules): New.
1985         (matching_file_name_substitute): New function.
1986         (get_output_file_with_visibility): Updated comments and rewritten
1987         to use the new files_rules machinery.
1988
1989         * Makefile.in (XREGEX_H): Added variable.
1990         (build/gengtype.o): Added dependencies for xregex.h and obstack.h
1991
1992 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
1993
1994         * system.h (FUNCTION_ARG_BOUNDARY): Really poison.
1995
1996 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
1997
1998         * target.def (conditional_register_usage): Define.
1999         * reginfo.c (init_reg_sets_1): Call
2000         targetm.conditional_register_usage.
2001         * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
2002         * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
2003         for making it a hook.
2004         * doc/tm.texi: Regenerate.
2005         * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2006         * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
2007         New function.
2008         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2009         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2010         * config/arc/arc.c (arc_conditional_register_usage): ...here.
2011         New function.
2012         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2013         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2014         * config/arm/arm.c (arm_conditional_register_usage): ...here.
2015         New function.
2016         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2017         * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
2018         * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
2019         * config/bfin/bfin.c (conditional_register_usage): Move code into...
2020         (bfin_conditional_register_usage): ...here.  New function.
2021         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2022         * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
2023         * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
2024         * config/cris/cris.c (cris_conditional_register_usage): Make static.
2025         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2026         * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
2027         * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
2028         * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
2029         * config/frv/frv.c (frv_conditional_register_usage): Make static.
2030         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2031         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2032         * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
2033         New function.
2034         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2035         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
2036         * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
2037         * config/i386/i386.c (ix86_conditional_register_usage): Make static.
2038         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2039         * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
2040         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
2041         * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
2042         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2043         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2044         * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
2045         New function.
2046         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2047         * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
2048         * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
2049         Delete.
2050         * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
2051         static.
2052         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2053         * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
2054         * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
2055         * config/mep/mep.c (mep_conditional_register_usage): Make static.
2056         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2057         * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
2058         * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
2059         * config/mips/mips.c (mips_conditional_register_usage): Make static.
2060         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2061         * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
2062         * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
2063         * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
2064         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2065         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2066         * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
2067         ...here.  New function.
2068         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2069         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2070         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
2071         * config/pa/pa.c (pa_conditional_register_usage): ...here.
2072         New function.
2073         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2074         * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2075         * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
2076         New function.
2077         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2078         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
2079         * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
2080         Delete.
2081         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
2082         static.
2083         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2084         * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
2085         * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
2086         * config/rx/rx.c (rx_conditional_register_usage): Make static.
2087         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2088         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
2089         * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
2090         * config/s390/s390.c (s390_conditional_register_usage): Make static.
2091         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2092         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2093         * config/score/score.c (score_conditional_register_usage): ...here.
2094         New function.
2095         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2096         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2097         * config/sh/sh.c (sh_conditional_register_usage): ...here.
2098         New function.
2099         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2100         * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2101         * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
2102         New function.
2103         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2104         * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
2105         * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
2106         * config/spu/spu.c (spu_conditional_register_usage): Make static.
2107         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2108         * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2109         * config/v850/v850.c (v850_conditional_register_usage): ...here.
2110         New function.
2111         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2112
2113 2010-11-21  Jan Hubicka  <jh@suse.cz>
2114             Dominique d'Humieres <dominiq@lps.ens.ft>
2115
2116         PR target/46510
2117         * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
2118         finalize external decls.
2119
2120 2010-11-21  Joseph Myers  <joseph@codesourcery.com>
2121
2122         * system.h (strerror): Poison.
2123
2124 2010-11-21  Richard Henderson  <rth@redhat.com>
2125
2126         * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
2127         for infq/huge_valq.
2128
2129 2010-11-21  Richard Henderson  <rth@redhat.com>
2130
2131         PR rtl-optimization/46571
2132         * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
2133         (compute_hash_table_work): Use NONDEBUG_INSN_P.
2134
2135 2010-11-21  Paul Koning  <ni1d@arrl.net>
2136
2137         * config/mips/pdp11.md (negsi2): Fix wrong code.
2138
2139 2010-11-21  Paul Koning  <ni1d@arrl.net>
2140
2141         * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
2142         * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2143
2144 2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>
2145
2146         * config/mips/mips.c (machine_function): Rename load_label_length to
2147         load_label_num_insns.
2148         (mips_load_label_length): Rename to...
2149         (mips_load_label_num_insns): ...this.  Adjust to first renaming.
2150         (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.
2151
2152 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
2153
2154         PR target/46533
2155         * config/alpha/predicates.md (direct_call_operand): Return false
2156         for !TARGET_SMALL_TEXT targets.
2157
2158 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
2159
2160         * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
2161         HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
2162         (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
2163         * doc/tm.texi: Regenerate.
2164         * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
2165         HANDLE_PRAGMA_WEAK): Poison.
2166         * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2167         * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2168         * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
2169         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
2170         * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2171         * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2172         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2173         * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
2174         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2175         * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
2176         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2177         * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
2178         * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2179         * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2180         * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2181         (HANDLE_PRAGMA_WEAK): Don't undefine.
2182         * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2183         * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
2184         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2185         * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
2186         * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2187         (HANDLE_PRAGMA_WEAK): Don't undefine.
2188         * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2189         * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
2190         (HANDLE_PRAGMA_PACK): Don't undefine.
2191         * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
2192         * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2193         * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2194         * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2195         * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
2196         * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2197         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2198         * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2199         * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
2200         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2201         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
2202         * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2203         * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2204         * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2205         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2206         * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
2207         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2208
2209 2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
2210
2211         PR target/31100
2212         * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
2213         * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
2214         * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
2215
2216 2010-11-20  Jan Hubicka  <jh@suse.cz>
2217
2218         * cgraph.c (ld_plugin_symbol_resolution_names): New.
2219         (dump_cgraph_node): Dump resolution.
2220         * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
2221         (cgraph_comdat_can_be_unshared_p): Dclare.
2222         * lto-streamer-out.c (produce_symtab): Use
2223         cgraph_comdat_can_be_unshared_p.
2224         * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
2225         (cgraph_comdat_can_be_unshared_p): New function based on logic
2226         in cgraph_externally_visible_p.
2227         (cgraph_externally_visible_p): Use it.
2228         (varpool_externally_visible_p): Virtual tables can be unshared.
2229         * varpool.c (dump_varpool_node): Dump resolution.
2230
2231 2010-11-20  Jan Hubicka  <jh@suse.cz>
2232
2233         * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.
2234
2235 2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2236
2237         PR other/46202
2238         * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
2239         (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
2240         shell quoting.
2241         (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
2242         (install-strip): New target.
2243         (STRIPPROG): New variable, exported if STRIP is set.
2244         * doc/install.texi (Final install): Minor markup and code style
2245         fixes.  Document install-strip target.
2246
2247 2010-11-20  Paul Koning  <ni1d@arrl.net>
2248
2249         * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
2250         pdp11_regno_reg_class): New functions.
2251         * config/pdp11/pdp11.md (define_constants): Add register numbers.
2252         * config/pdp11/pdp11.c (pdp11_regno_reg_class,
2253         pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
2254         functions.
2255         * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
2256         frame pointer and argument pointer pseudo-registers.
2257         (ARG_POINTER_REGNUM): Define.
2258         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
2259         argument pointer.
2260         (FIRST_PARM_OFFSET): Update for argument pointer.
2261         (INITIAL_FRAME_POINTER_OFFSET): Delete.
2262         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
2263         (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
2264         frame pointer and argument pointer.
2265
2266 2010-11-20  Jakub Jelinek  <jakub@redhat.com>
2267
2268         PR debug/46561
2269         * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
2270         when looking for immediate uses.
2271
2272         PR tree-optimization/45830
2273         * stmt.c (expand_switch_using_bit_tests_p): New function.
2274         (expand_case): Use it.
2275         * tree.h (expand_switch_using_bit_tests_p): New prototype.
2276         * tree-switch-conversion.c (struct switch_conv_info): Add
2277         bit_test_uniq, bit_test_count and bit_test_bb fields.
2278         (check_range): Fix a comment.
2279         (check_process_case): Compute bit_test_uniq and bit_test_count.
2280         (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
2281         allocation.
2282         (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
2283         (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
2284         (array_value_type): New function.
2285         (build_one_array): Use it, if it returned different type,
2286         fold_convert all constructor fields and convert back to the
2287         wider type in the generated code.
2288         (process_switch): Initialize bit_test_uniq, bit_test_count and
2289         bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
2290         returned true.
2291
2292 2010-11-19  Michael Matz  <matz@suse.de>
2293
2294         PR tree-optimization/46077
2295         * tree-chrec.c (eq_evolutions_p): Accept some expressions.
2296
2297 2010-11-19  Anatoly Sokolov  <aesok@post.ru>
2298
2299         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2300         * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
2301         function.
2302         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2303
2304 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
2305
2306         * mode-switching.c (optimize_mode_switching): Use
2307         FOR_BB_INSNS instead of open-coded loop.
2308         * cfgrtl.c (redirect_branch_edge): Ditto.
2309
2310 2010-11-19  Joern Rennecke  <amylaar@spamcop.net>
2311
2312         PR target/46436
2313         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
2314         to accomodate 32 bit HOST_WIDE_INT.
2315         (m68hc11_emit_logical): Remove unused variable insn.
2316         (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
2317         this_insn_uses_iy before use.
2318
2319         PR target/46434
2320         * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
2321
2322 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2323
2324         PR c/46547
2325         * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
2326         * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.
2327
2328 2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
2329
2330         * doc/extend.texi (Function attributes): Document PowerPC target
2331         attributes that are supported.
2332         (Pragmas): Document that PowerPC now supports target pragmas.
2333
2334         * doc/options.texi (TargetVariable): Document TargetVariable,
2335         HeaderInclude, and SourceInclude.
2336
2337         * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
2338         mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
2339         -ffp-contract=off.
2340
2341         * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
2342         SourceInclude directives.  Fix a cut+paste error with target save
2343         enum variables.  Sort enums in the structures after ints and
2344         before shorts.
2345         * opth-gen.awk: Ditto.
2346
2347         * configure.ac: Add support for HeaderInclude and SourceInclude option
2348         directives to add the appropriate files to the dependency lists.
2349         * configure: Regenerate.
2350         * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
2351         (OPTIONS_C_EXTRA): New variable for SourceInclude.
2352         (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
2353         (options.o): Add $(OPTIONS_C_EXTRA) dependency.
2354         (gcc-options.o): Ditto.
2355         * opt-include.awk: New awk script to handle HeaderInclude and
2356         TargetInclude.
2357
2358         * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
2359         gets saved in the target options.
2360         * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
2361         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
2362         (-mprototype): Ditto.
2363         (-mbit-word): ditto.
2364         (-mregnames): Ditto.
2365         (-msecure-plt): Ditto.
2366         (-mbss-plt): Ditto.
2367         * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
2368         (-mpowerpc-gfxopt): Ditto.
2369         (-mmfcrf): Ditto.
2370         (-mpopcntb): Ditto.
2371         (-mfprnd): Ditto.
2372         (-mcmpb): Ditto.
2373         (-mmmfpgpr): Ditto.
2374         (-maltivec): Ditto.
2375         (-mhard-dfp): Ditto.
2376         (-mmulhw): Ditto.
2377         (-mdlmzb): Ditto.
2378         (-mmultiple): Ditto.
2379         (-mstring): Ditto.
2380         (-mpopcntd): Ditto.
2381         (-mfriz): Ditto.
2382         (-mvsx): Ditto.
2383         (-mno-update): Ditto.
2384         (-mavoid-indexed-addresses): Ditto.
2385         (-mtls-markers): Ditto.
2386         (-msched-epilog): Ditto.
2387         (-msched-prolog): Ditto.
2388         (-maix-struct-return): Ditto.
2389         (-msvr4-struct-return): Ditto.
2390         (-mxl-compat): Ditto.
2391         (-mrecip-precision): Ditto.
2392         (-mfp-in-toc): Ditto.
2393         (-msum-in-toc): Ditto.
2394         (-mvrsave): Ditto.
2395         (-mblock-move-inline-limit=): Ditto.
2396         (-misel): Ditto.
2397         (-mpaired): Ditto.
2398         (-mlongcall): Ditto.
2399         (-mgen-cell-microcode): Ditto.
2400         (-mwarn-cell-microcode): Ditto.
2401         (-mwarn-altivec-long): Ditto.
2402         (-mprioritize-restricted-insns=): Ditto.
2403         (-msingle-float): Ditto.
2404         (-mdouble-float): Ditto.
2405         (-msimple-fpu): Ditto.
2406         (-mxilinx-fpu): Ditto.
2407         * config/rs6000/aix64.opt (-mpe): Ditto.
2408
2409         * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
2410         (rs6000_cpu): Move variable to be a target variable.  Rename
2411         cmodel to rs6000_current_cmodel because of macro conflict.  Merge
2412         -mdebug=<xxx> variables into a single int.
2413         (rs6000_always_hint): Ditto.
2414         (rs6000_sched_groups): Ditto.
2415         (rs6000_align_branch_targets): Ditto.
2416         (rs6000_sched_costly_dep): Ditto.
2417         (rs6000_sched_insert_nops): Ditto.
2418         (rs6000_long_double_type_size): Ditto.
2419         (rs6000_ieeequad): Ditto.
2420         (rs6000_altivec_abi): Ditto.
2421         (rs6000_spe): Ditto.
2422         (rs6000_spe_abi): Ditto.
2423         (rs6000_float_gprs): Ditto.
2424         (rs6000_darwin64_abi): Ditto.
2425         (can_override_loop_align): Ditto.
2426         (rs6000_sdata): Ditto.
2427         (rs6000_tls_size): Ditto.
2428         (rs6000_current_abi): Ditto.
2429         (rs6000_traceback): Ditto.
2430         (rs6000_alignment_flags): Ditto.
2431         (rs6000_current_cmodel): Ditto.
2432         (rs6000_recip_control): Ditto.
2433         (rs6000_cpu_index): Ditto.
2434         (rs6000_tune_index): Ditto.
2435         (rs6000_debug): Ditto.
2436         (rs6000_target_flags_explict): Ditto.
2437
2438         * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
2439         declaration.
2440
2441         * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
2442         cmodel.  Change all uses.
2443
2444         * config/rs6000/rs6000.c (rs6000_always_hint): Move to
2445         rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
2446         Rename cmodel to rs6000_current_cmodel.
2447         (rs6000_sched_groups): Ditto.
2448         (rs6000_align_branch_targets): Ditto.
2449         (rs6000_sched_costly_dep): Ditto.
2450         (rs6000_sched_insert_nops): Ditto.
2451         (rs6000_long_double_type_size): Ditto.
2452         (rs6000_ieeequad): Ditto.
2453         (rs6000_altivec_abi): Ditto.
2454         (rs6000_spe): Ditto.
2455         (rs6000_spe_abi): Ditto.
2456         (rs6000_float_gprs): Ditto.
2457         (rs6000_darwin64_abi): Ditto.
2458         (can_override_loop_align): Ditto.
2459         (rs6000_sdata): Ditto.
2460         (rs6000_tls_size): Ditto.
2461         (rs6000_current_abi): Ditto.
2462         (rs6000_traceback): Ditto.
2463         (rs6000_alignment_flags): Ditto.
2464         (rs6000_current_cmodel): Ditto.
2465         (rs6000_recip_control): Ditto.
2466         (rs6000_cpu_index): Ditto.
2467         (rs6000_tune_index): Ditto.
2468         (rs6000_debug): Ditto.
2469         (rs6000_target_flags_explict): Ditto.
2470         (rs6000_sched_insert_nops_str): Make static.
2471         (rs6000_sched_costly_dep_str): Ditto.
2472         (rs6000_recip_name): Ditto.
2473         (rs6000_abi_name): Ditto.
2474         (rs6000_sdata_name): Ditto.
2475         (enum rs6000_traceback_name): Move to rs6000-opts.h.
2476         (rs6000_parse_tls_size_option): Delete.
2477         (rs6000_valid_attribute_p): New function for target attributes and
2478         pragmas.
2479         (rs6000_function_specific_save): Ditto.
2480         (rs6000_function_specific_restore): Ditto.
2481         (rs6000_function_specific_print): Ditto.
2482         (rs6000_can_inline_p): Ditto.
2483         (rs6000_set_current_function): Ditto.
2484         (rs6000_inner_target_options): Ditto.
2485         (rs6000_debug_target_options): Ditto.
2486         (rs6000_pragma_target_parse): Ditto.
2487         (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
2488         attributes and pragmas.
2489         (TARGET_OPTION_SAVE): Ditto.
2490         (TARGET_OPTION_RESTORE): Ditto.
2491         (TARGET_OPTION_PRINT): Ditto.
2492         (TARGET_CAN_INLINE_P): Ditto.
2493         (TARGET_SET_CURRENT_FUNCTION): Ditto.
2494         (POWER_MASKS): Move to file level scope from the
2495         rs6000_option_override_internal function.
2496         (POWERPC_MASKS): Ditto.
2497         (ISA_*_MASKS): Ditto.
2498         (struct rs6000_ptt): Ditto.
2499         (processor_target_table): Ditto.
2500         (rs6000_cpu_name_lookup): Map cpu name to an index in
2501         processor_target_table.
2502         (rs6000_debug_reg_global): Print more information on processor
2503         options for -mdebug=reg.
2504         (rs6000_init_hard_regno_mode_ok): Add support for target
2505         attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
2506         Allow -mdebug=val1,val2.  Rename cmodel variable.
2507         (rs6000_option_override_internal): Ditto.
2508         (rs6000_option_override): Ditto.
2509         (rs6000_handle_option): Ditto.
2510         (rs6000_conditional_register_usage): Add debug trace message.
2511         (struct rs6000_opt_mask): New for target attribute/pragma support.
2512         (rs6000_opt_masks): Ditto.
2513         (struct rs6000_opt_var): Ditto.
2514         (rs6000_opt_vars): Ditto.
2515         (rs6000_previous_function): Ditto.
2516
2517         * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
2518         wasn't already included.
2519         (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
2520         (enum processor_type): Ditto.
2521         (rs6000_cpu): Ditto.
2522         (enum fpu_type_t): Ditto.
2523         (fpu_type): Ditto.
2524         (enum rs6000_dependence_cost): Ditto.
2525         (enum rs6000_nop_insertion): Ditto.
2526         (enum group_termination): Ditto.
2527         (rs6000_long_double_type_size): Ditto.
2528         (rs6000_ieeequad): Ditto.
2529         (rs6000_altivec_abi): Ditto.
2530         (rs6000_spe_abi): Ditto.
2531         (rs6000_spe): Ditto.
2532         (rs6000_float_gprs): Ditto.
2533         (rs6000_alignment_flags): Ditto.
2534         (rs6000_sched_insert_nops): Ditto.
2535         (enum rs6000_vector): Ditto.
2536         (enum rs6000_abi): Ditto.
2537         (rs6000_current_opt): Ditto.
2538         (rs6000_debug_*): Delete.
2539         (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
2540         (TARGET_DEBUG*): Ditto.
2541
2542         * config/rs6000/rs6000-opts.h: New header file to define the enums
2543         that are used in target variables that are now defined in rs6000.opt.
2544
2545         * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
2546         rs6000-opts.h.
2547         (rs6000_sdata): Ditto.
2548         (rs6000_abi_name): Delete.
2549         (rs6000_sdata_name): Ditto.
2550         (rs6000_tls_size_string): Ditto.
2551
2552 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2553
2554         * common.opt (debug_struct_ordinary, debug_struct_generic): New
2555         Variable entries.
2556         * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
2557         should_emit_struct_debug): Move from opts.c.
2558         * flag-types.h (enum debug_struct_file): Move from opts.c.
2559         * flags.h (should_emit_struct_debug): Remove.
2560         (base_of_path): Declare.
2561         (set_struct_debug_option): Add gcc_options parameter.
2562         * optc-gen.awk, opth-gen.awk: Handle array variables.
2563         * opts.c (enum debug_struct_file, debug_struct_ordinary,
2564         debug_struct_generic): Remove.
2565         (set_struct_debug_option): Add gcc_options parameter.
2566         (base_of_path): Remove static.
2567         (main_input_basename, main_input_baselength, matches_main_base,
2568         dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
2569         Remove.
2570         * toplev.c (main_input_basename, main_input_baselength): Define
2571         here.
2572         * toplev.h (main_input_basename, main_input_baselength): Declare
2573         here.
2574
2575 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2576
2577         * common.opt (flag_instrument_functions_exclude_functions,
2578         flag_instrument_functions_exclude_files): New Variable definitions.
2579         * flags.h (flag_instrument_functions_exclude_p): Don't declare.
2580         * gimplify.c (char_p): Declare type and vectors.
2581         (flag_instrument_functions_exclude_p): Moved from opts.c.  Make static.
2582         * opts.c (flag_instrument_functions_exclude_functions,
2583         flag_instrument_functions_exclude_files): Remove.
2584         (add_comma_separated_to_vector): Take void **.
2585         (flag_instrument_functions_exclude_p): Move to gimplify.c.
2586         (common_handle_option): Use options structure for
2587         -finstrument-functions-exclude- options.
2588
2589 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2590
2591         * doc/options.texi (Var): Document effects of Defer.
2592         (Defer): Document.
2593         * opt-functions.awk (var_type, var_set): Handle deferred options.
2594         * opts-common.c (set_option): Handle CLVC_DEFER.
2595         * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
2596         fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
2597         fstack-limit-symbol=): Mark as deferred.
2598         * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
2599         plugin.h.
2600         (print_filtered_help): Don't report state of CLVC_DEFER options.
2601         (common_handle_option): Move code for OPT_fcall_used_,
2602         OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
2603         OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
2604         OPT_fstack_limit_symbol_ to opts-global.c.
2605         (option_enabled, get_option_state): Handle CLVC_DEFER.
2606         * opts.h: Include vec.h.
2607         (enum cl_var_type): Add CLVC_DEFER.
2608         (cl_deferred_option): Define type and vectors.
2609         (handle_common_deferred_options): Declare.
2610         * opts-global.c: New.
2611         * toplev.c (toplev_main): Call handle_common_deferred_options
2612         * Makefile.in (OPTS_H): Include $(VEC_H).
2613         (OBJS-common): Include opts-global.o.
2614         (opts.o): Update dependencies.
2615         (opts-global.o): Add dependencies.
2616
2617 2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>
2618
2619         * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
2620         to objc_declare_protocols.
2621
2622 2010-11-19  Richard Guenther  <rguenther@suse.de>
2623
2624         PR lto/45789
2625         * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
2626         IDENTIFIERs do not stream TREE_TYPE.
2627         * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.
2628
2629 2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>
2630
2631         * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.
2632
2633 2010-11-19  Jakub Jelinek  <jakub@redhat.com>
2634
2635         PR target/45870
2636         * dwarf2out.c (const_ok_for_output_1): Don't complain about
2637         non-delegitimized TLS UNSPECs.
2638
2639 2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
2640             Ian Lance Taylor  <iant@google.com>
2641
2642         * config/darwin-c.c (darwin_additional_format_types): Export.
2643
2644 2010-11-18  Paul Koning  <ni1d@arrl.net>
2645
2646         * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
2647         pointer.
2648
2649 2010-11-18  Paul Koning  <ni1d@arrl.net>
2650
2651         * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
2652         * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
2653         * config/pdp11/pdp11.opt (-mabshi): Delete.
2654
2655 2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>
2656
2657         * resource.h (struct resources): Fix typo in the comment.
2658
2659 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
2660
2661         PR target/46546
2662         * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.
2663
2664 2010-11-18  Richard Henderson  <rth@redhat.com>
2665
2666         PR middle-end/46515
2667         * function.c (maybe_copy_prologue_epilogue_insn): Rename from
2668         maybe_copy_epilogue_insn; handle prologue insns as well.
2669         * rtl.h, cfglayout.c: Update for rename.
2670         * recog.c (peep2_attempt): Copy prologue/epilogue data for
2671         RTX_FRAME_RELATED_P insns.
2672
2673 2010-11-18  Jakub Jelinek  <jakub@redhat.com>
2674
2675         PR middle-end/46534
2676         * builtins.c (fold_builtin_printf): Don't copy and modify string
2677         before build_string_literal, instead modify what
2678         build_string_literal returned.
2679
2680 2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>
2681
2682         PR c/33193
2683         * c-typeck.c (build_unary_op): Call build_real_imag_expr for
2684         REALPART_EXPR and IMAGPART_EXPR.
2685
2686 2010-11-18  Richard Guenther  <rguenther@suse.de>
2687
2688         PR tree-optimization/46172
2689         * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
2690         function.
2691         (slpeel_tree_peel_loop_to_edge): Call it.
2692
2693 2010-11-18  Jeff Law  <law@redhat.com>
2694
2695         PR middle-end-optimization/46297
2696         * postreload.c (reload_combine_note_store): Deal with embedded
2697         side effects in MEM expressions.
2698
2699 2010-11-18  Richard Guenther  <rguenther@suse.de>
2700
2701         PR lto/45089
2702         * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
2703         when checking is not enabled.
2704
2705 2010-11-18  Richard Guenther  <rguenther@suse.de>
2706
2707         PR lto/46525
2708         * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
2709         type leaders.
2710         (gimple_register_canonical_type): Also cache the canoncial type
2711         for non type leaders.
2712
2713 2010-11-18  Richard Guenther  <rguenther@suse.de>
2714
2715         * lto-wrapper.c (run_gcc): Fix -flto=N parsing.
2716
2717 2010-11-18  Alexander Monakov  <amonakov@ispras.ru>
2718
2719         PR middle-end/46518
2720         * sel-sched-ir.c (init_expr): Use the correct type for
2721         target_available.
2722         * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
2723
2724 2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
2725
2726         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
2727         as well as -mrelocatable at the same time.
2728
2729 2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>
2730
2731         PR target/46422
2732         * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
2733         Call the clz builtin.
2734
2735 2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
2736             Steve Ellcey  <sje@cup.hp.com>
2737
2738         PR middle-end/31490
2739         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
2740         if section attribute used.
2741
2742 2010-11-17  Jan Hubicka  <jh@suse.cz>
2743
2744         * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
2745         expand errno setting variant when optimizing for size.
2746
2747 2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>
2748
2749         * postreload.c (reload_combine): Call control_flow_insn_p only once.
2750         Reverse backward loop.  Fix formatting issues.
2751
2752 2010-11-17  Paolo Bonzini  <bonzini@gnu.org>
2753
2754         * c-parser.c (c_token_is_qualifier,
2755         c_parser_next_token_is_qualifier): New.
2756         (c_parser_declaration_or_fndef, c_parser_struct_declaration):
2757         Improve error message on specs->tagdef_seen_p.
2758         (c_parser_struct_or_union_specifier): Improve error recovery.
2759         (c_parser_declspecs): Move exit condition on C_ID_ID early.
2760         Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
2761         using c_parser_next_token_is_qualifier; extend it to cover
2762         a ctsk_tagdef typespec and !typespec_ok in general.
2763
2764 2010-11-17  Richard Guenther  <rguenther@suse.de>
2765
2766         * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
2767         (gimple_mod_pow2_value_transform): Likewise.
2768         (gimple_mod_subtract_transform): Likewise.
2769
2770 2010-11-17  Richard Guenther  <rguenther@suse.de>
2771
2772         PR lto/46504
2773         * gimple.c (gimple_register_canonical_type): Make sure to only
2774         make type leaders canonical types.
2775
2776 2010-11-17  Michael Matz  <matz@suse.de>
2777
2778         * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
2779         TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
2780         TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
2781         TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
2782         * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
2783         (pass_build_ssa): ... but here.
2784         * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
2785         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
2786         * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
2787         * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
2788         * predict.c (rebuild_frequencies): Ditto.
2789         * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
2790         * emit-rtl.c (verify_rtl_sharing): Ditto.
2791         * tree-cfgcleanup.c (repair_loop_structures): Ditto.
2792         * tree-ssa-live.c (remove_unused_locals): Ditto.
2793         * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
2794         * tree-ssa.c (pass_early_warn_uninitialized,
2795         execute_update_addresses_taken, pass_update_address_taken): Ditto.
2796         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2797         pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
2798         * passes.c (pass_postreload, execute_todo): Ditto.
2799         * tree-ssanames.c (pass_release_ssa_names): Ditto.
2800
2801 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
2802
2803         * doc/invoke.texi (-dy): Remove.
2804         * langhooks-def.h (lhd_do_nothing_i): Don't declare.
2805         (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
2806         * langhooks.c (lhd_do_nothing_i): Remove.
2807         * langhooks.h (lang_hooks.parse_file): Take no arguments.
2808         * toplev.c (set_yydebug): Remove.
2809         (compile_file): Update call to lang_hooks.parse_file.
2810         (decode_d_option): Don't handle -dy.
2811
2812 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
2813
2814         PR rtl-optimization/46440
2815         * combine.c (update_cfg_for_uncondjump): When changing
2816         an indirect jump into unconditional jump, remove BARRIERs
2817         from bb's footer.
2818
2819 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
2820
2821         * opts.c (target_handle_option): Do not assert that loc ==
2822         UNKNOWN_LOCATION.
2823
2824 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
2825             Richard Guenther  <rguenther@suse.de>
2826
2827         PR middle-end/45838
2828         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
2829         call_may_clobber_ref_p_1): Return true for __sync_* and some
2830         OpenMP builtins that act as threading barriers.
2831
2832 2010-11-17  Richard Guenther  <rguenther@suse.de>
2833
2834         PR tree-optimization/46498
2835         * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.
2836
2837 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
2838
2839         * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
2840         (xtensa_function_arg_boundary): ...this.
2841         * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
2842         thinko in declaration.
2843         (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
2844         number of parameters to picochip_function_arg_boundary.
2845         (picochip_arg_advance): Likewise.
2846
2847 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
2848
2849         PR target/46512
2850         * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
2851         under check for type.
2852
2853 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2854
2855         * ifcvt.c (dead_or_predicable): Fix typo.
2856
2857 2010-11-16  Richard Henderson  <rth@redhat.com>
2858
2859         * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
2860         * config/s390/s390.opt (mfused-madd): Remove.
2861         * config/s390/s390.c (s390_rtx_costs): Handle FMA.
2862         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
2863         * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
2864         (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.
2865
2866 2010-11-16  Richard Henderson  <rth@redhat.com>
2867
2868         * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
2869         * config/rs6000/rs6000.opt (mfused-madd): Remove.
2870         * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
2871         (*altivec_vmaddfp_1): Remove.
2872         (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
2873         (altivec_mulv4sf3): Expand to FMA directly.
2874         (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
2875         (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
2876         * config/rs6000/paired.md (paired_madds0): Use FMA.
2877         (paired_madds1): Likewise.
2878         (*paired_madd): Rename from paired_madd; use FMA.
2879         (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
2880         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
2881         consider TARGET_FUSED_MADD wrt rs6000_recip_control.
2882         (bdesc_3arg): Update CODE_FOR_* for pattern renames.
2883         (rs6000_emit_madd): Use fma_optab.
2884         (rs6000_emit_msub): Use fms_optab.
2885         (rs6000_emit_nmsub): Expand the FMA pattern directly.
2886         * config/rs6000/rs6000.md (FMA_F): New mode iterator.
2887         (*fmasf4_fpr): Rename from fmasf4_fpr.
2888         (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
2889         (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
2890         (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
2891         (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
2892         (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
2893         (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
2894         (*fmadf4_fpr): Rename from fmadf4_fpr.
2895         (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
2896         (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
2897         (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
2898         (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
2899         (fmasf4, fmadf4): Macroize into...
2900         (fma<FMA_F>4): ... here.
2901         (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
2902         (nfma<FMA_F>4, nfms<FMA_F>4): New.
2903         * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
2904         TARGET_FUSED_MADD.
2905         * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
2906         (*vsx_fmadd<mode>4_1): Remove.
2907         (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
2908         (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
2909         (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
2910         (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
2911         (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
2912         (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
2913         (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.
2914
2915 2010-11-16  Richard Henderson  <rth@redhat.com>
2916
2917         * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
2918         (fmasf4, fnmadf4, fnmasf4): Likewise.
2919         (unnamed plus+mult insns and splitters): Delete.
2920
2921 2010-11-16  Richard Henderson  <rth@redhat.com>
2922
2923         * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
2924         (fnma<VSF>4): Rename from fnms_<VSF>.
2925         (fms<VSF>4): Rename from fms_<VSF>.
2926         (fma<VDF>4): Rename from fma_<VDF>.
2927         (fms<VDF>4): Rename from fms_<VDF>.
2928         (nfma<VDF>4): Rename from fnma_<VDF>.
2929         (nfms<VDF>4): Rename from fnms_<VDF>.
2930         (fnma<VDF>4, fnms<VDF>4): New expanders.
2931         (floatunsdisf2): Update for the renames.
2932         (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
2933         * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.
2934
2935 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2936
2937         PR rtl-optimization/46490
2938         * combine.c (expand_compound_operation): Fix thinko.
2939
2940 2010-11-16  Richard Henderson  <rth@redhat.com>
2941
2942         PR target/46470
2943         * recog.c (peep2_attempt): Convert frame-related info when possible.
2944         (peep2_fill_buffer): Allow frame-related insns into the buffer.
2945         (peephole2_optimize): Allow peep2_attempt to fail.
2946
2947 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2948
2949         PR rtl-optimization/46315
2950         * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
2951         * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
2952         extracted from...
2953         * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
2954         (remove_reg_equal_equiv_notes_for_defs): ...this.
2955         (delete_unmarked_insns): Adjust to above renaming.
2956         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
2957         referring to registers set in the insns being moved, if any.
2958
2959         * df-core.c (df_ref_dump): New function extracted from...
2960         (df_refs_chain_dump): ...here.  Call it.
2961         (df_regs_chain_dump): Likewise.
2962         * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
2963         * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.
2964
2965 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
2966
2967         PR rtl-optimization/46395
2968         * postreload.c (reload_combine): Invalidate register use
2969         information on all control flow insns.
2970
2971         * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
2972         LABEL_REF in UNSPEC operand.
2973
2974 2010-11-16  Jan Hubicka  <jh@suse.cz>
2975
2976         * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
2977         when !flag_toplevel_reorder do not remove unless variable is
2978         COMDAT or ARTIFICIAL.
2979         * ipa.c (varpool_can_remove_if_no_refs): ... here.
2980         (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
2981         * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
2982         * varpool.c (decide_is_variable_needed): Do not handle visibility
2983         issues.
2984         (varpool_finalize_decl): Likewise.
2985         (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
2986         update outdated comment on DECL_RTL_SET_P check.
2987
2988 2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2989
2990         * config/sol2.h (NM_FLAGS): Define.
2991         * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
2992         * doc/tm.texi: Update.
2993
2994 2010-11-16  Nick Clifton  <nickc@redhat.com>
2995
2996         * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
2997         (msubsf4): Rename to fmssf4, and use fma.
2998         (nmaddsf4): Rename to fnmasf4 and use fma.
2999         (nmsubsf4): Rename to fnmssf4 and use fma.
3000
3001 2010-11-16  Joern Rennecke  <amylaar@spamcop.net>
3002
3003         PR target/44762
3004         * config/score/score3.c (score3_return_in_memory): Constify arguments.
3005         (score3_in_small_data_p, score3_function_value): Likewise.
3006         (score3_trampoline_init): Use LCT_NORMAL.
3007         (score3_print_operand): Initialize code as UNKNOWN.
3008         * config/score/predicates.md (score_load_multiple_operation):
3009         Remove unused variable.
3010         (score_store_multiple_operation): Likewise.
3011         * config/score/score7.c (score7_return_in_memory): Constify arguments.
3012         (score7_in_small_data_p, score7_function_value): Likewise.
3013         (score7_trampoline_init): Use LCT_NORMAL.
3014         (score7_print_operand): Initialize code as UNKNOWN.
3015         * config/score/score3.h (score3_return_in_memory): Update prototype.
3016         (score3_in_small_data_p, score3_function_value): Likewise.
3017         * config/score/score-protos.h (score_function_value): Likewise.
3018         * config/score/score7.h (score7_return_in_memory): Update prototype.
3019         (score7_in_small_data_p, score7_function_value): Likewise.
3020         * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
3021         (score_return_in_memory, score_pass_by_reference): Constify arguments.
3022         (score_output_mi_thunk, score_function_prologue): Don't return a value.
3023         (score_function_epilogue, score_in_small_data_p): Likewise.
3024         (score_option_override, score_asm_trampoline_template): Likewise.
3025         (score_trampoline_init, score_print_operand): Likewise.
3026         (score_print_operand_address, score_prologue): Likewise.
3027         (score_epilogue, score_call, score_call_value): Likewise.
3028         (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
3029         (score_function_arg_advance): Likewise. Make static.
3030         (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
3031         (score_function_arg, score_legitimate_address_p): Make static.
3032         (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
3033         * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
3034         * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
3035         Allow (W) == HOST_BITS_PER_WIDE_INT.
3036
3037         PR java/46386
3038         * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
3039         * config/t-pnt16-warn (java/constants.o-warn): Likewise.
3040
3041 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3042
3043         * config/arc/arc.c: Delete pasto.
3044         * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.
3045
3046 2010-11-16  Anatoly Sokolov  <aesok@post.ru>
3047
3048         * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
3049         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
3050         * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
3051         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
3052         (mn10300_preferred_reload_class,
3053         mn10300_preferred_output_reload_class): New functions.
3054
3055 2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3056
3057         * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
3058         (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
3059         (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
3060         (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.
3061
3062 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3063
3064         * builtins.c (std_gimplify_va_arg_expr): Use
3065         targetm.calls.function_arg_boundary.
3066         * function.c (assign_parms, locate_and_pad_parm): Likewise.
3067         * calls.c (struct arg_data): Update comment.
3068         * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
3069         * target.def (function_arg_boundary): Define.
3070         * targhooks.h (default_function_arg_boundary): Declare.
3071         * targhooks.c (default_function_arg_boundary): Define.
3072         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
3073         TARGET_FUNCTION_ARG_BOUNDARY.
3074         (FUNCTION_ARG_BOUNDARY): Delete.
3075         (TARGET_FUNCTION_ARG_BOUNDARY): New.
3076         * doc/tm.texi: Regenerate.
3077         * system.h (FUNCTION_ARG_BOUNDARY): Poison.
3078         * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
3079         * config/arc/arc.c (arc_function_arg_boundary): Define.
3080         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3081         * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
3082         * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
3083         * config/arm/arm.c (arm_needs_doubleword_align): Make static.
3084         (arm_function_arg_boundary): Define.
3085         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3086         * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
3087         * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
3088         * config/frv/frv.c (frv_function_arg_boundary): Make static.
3089         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3090         * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
3091         * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
3092         * config/i386/i386.c (ix86_function_arg_boundary): Make static.
3093         (ix86_compat_function_arg_boundary): Take and return unsigned int.
3094         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3095         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
3096         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
3097         * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
3098         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3099         * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
3100         * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
3101         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3102         * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
3103         * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
3104         * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
3105         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3106         * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
3107         * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
3108         * config/mips/mips.c (mips_function_arg_boundary): Make static.
3109         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3110         * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
3111         * config/pa/pa.c (pa_function_arg_boundary): Define.
3112         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3113         * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
3114         * config/picochip/picochip-protos.h
3115         (picochip_get_function_arg_boundary): Delete.
3116         * config/picochip/picochip.c (picochip_get_function_arg_boundary):
3117         Rename to...
3118         (picochip_function_arg_boundary): ...this.  Make static.
3119         (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
3120         (picochip_arg_advance): Adjust.
3121         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3122         * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
3123         * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
3124         * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
3125         (rs6000_function_arg_boundary): ...this.  Make static.
3126         (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
3127         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3128         * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
3129         * config/rx/rx.c (rx_function_arg_boundary): Define.
3130         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3131         * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
3132         * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
3133         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3134         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
3135         * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
3136         * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
3137         (xtensa_function_arg_boundary): ...this.  Make static.
3138         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3139
3140 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3141
3142         * expr.c (alignment_for_piecewise_move): New function.
3143         (widest_int_mode_for_size): New function.
3144         (move_by_pieces, move_by_pieces_ninsns): Call them.
3145         (can_store_by_pieces, store_by_pieces_1): Likewise.
3146
3147 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3148
3149         * gcc.c (char_p): Define.  Define a VEC of it.
3150         (n_linker_options, n_assembler_options, n_preprocessor_options):
3151         Delete.
3152         (linker_options, assembler_options, preprocessor_options): Convert
3153         to a VEC.
3154         (add_preprocessor_option): Adjust.
3155         (add_assembler_option): Adjust.
3156         (add_linker_option): Adjust.
3157         (do_specs_vec): New function.
3158         (do_spec_1): Call it.  Adjust for new types.
3159
3160 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3161
3162         * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
3163         (sreal.o, statistics.o, stringpool.o): Likewise.
3164
3165 2010-11-16  Richard Guenther  <rguenther@suse.de>
3166
3167         PR tree-optimization/44545
3168         * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
3169         statements are not reassociatable.
3170         (reassociate_bb): Likewise.
3171
3172 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3173
3174         * bitmap.c: Delete unnecessary includes.
3175         * ebitmap.c: Likewise.
3176         * et-forest.c: Likewise.
3177         * sreal.c: Likewise.
3178         * statistics.c: Likewise.
3179         * stringpool.c: Likewise.
3180         * double-int.c: Add comment for inclusion of tm.h.
3181
3182 2010-11-16  Richard Guenther  <rguenther@suse.de>
3183
3184         * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
3185         (visit_nary_op): ... this.
3186         (visit_binary_op): Remove.
3187         (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.
3188
3189 2010-11-16  Richard Guenther  <rguenther@suse.de>
3190
3191         PR middle-end/45172
3192         * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.
3193
3194 2010-11-16  Nick Clifton  <nickc@redhat.com>
3195
3196         * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
3197         record is packed.
3198
3199 2010-11-15  Richard Henderson  <rth@redhat.com>
3200
3201         * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
3202         WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
3203         DOT_PROD_EXPR.
3204
3205 2010-11-15  Richard Henderson  <rth@redhat.com>
3206
3207         * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
3208         from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
3209         fma rtx_code.
3210
3211 2010-11-15  Richard Henderson  <rth@redhat.com>
3212
3213         * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
3214         and *mulsubsf4 respectively.  Use fma rtx_code.
3215
3216 2010-11-15  Joseph Myers  <joseph@codesourcery.com>
3217
3218         * gcc.c: Include "vec.h".
3219         (argbuf): Make into a VEC.
3220         (argbuf_length, argbuf_index): Remove.
3221         (alloc_args, clear_args, store_arg, execute, insert_wrapper,
3222         do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
3223         compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
3224         * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
3225         (gcc.o): Depend on $(VEC_H).
3226
3227 2010-11-15  Richard Henderson  <rth@redhat.com>
3228
3229         * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
3230         via FMA if unsafe math.
3231         (insert_var_expansion_initialization): Handle FMA.
3232         (combine_var_copies_in_loop_exit): Likewise.
3233
3234 2010-11-15  Richard Henderson  <rth@redhat.com>
3235
3236         * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
3237         * config/ia64/ia64.opt: Remove mfused-madd.
3238         * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
3239         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
3240         * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
3241         * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
3242         * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
3243         * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
3244         (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
3245         (fmav2sf4): Rename from fpma; use FMA code.
3246         (fmsv2sf4): Rename from fpms; use FMA code.
3247         (fnmav2sf4): Rename from *fpnma; use FMA code.
3248         * config/ia64/ia64.md (MODE_SDF): New iterator.
3249         (suffix): New mode attribute.
3250         (*maddsf4, *msubsf4, *nmaddsf4): Remove.
3251         (fmssf4): Rename from *fmssf4.
3252         (fnmasf4): Rename from *nfmasf4.
3253         (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
3254         (*nmadddf4, *nmadddf4_truncsf): Remove.
3255         (fmsdf4): Rename from *fmsdf4.
3256         (fnmadf4): Rename from *nfmadf4.
3257         (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
3258         (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
3259         (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
3260         (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
3261         (fmsxf4): Rename from *fmsxf4.
3262         (fnmaxf4): Rename from *nfmaxf4.
3263         (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
3264         (*fnmaxf_trunc_<MODE_SDF>): New.
3265
3266 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3267
3268         PR tree-optimization/46461
3269         * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
3270         a gimple val.
3271
3272 2010-11-15  Ian Lance Taylor  <iant@google.com>
3273
3274         * godump.c: New file.
3275         * common.opt (fdump-go-spec=): New option.
3276         * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
3277         (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
3278         (TYPE_SYMTAB_IS_DIE): Define.
3279         (struct tree_type): Change GTY for symtab field to use
3280         TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
3281         to pick the union field.
3282         * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
3283         (dump_go_spec_init): Declare.
3284         * toplev.c (process_options): Handle flag_dump_go_spec.
3285         * debug.c: Include "tree.h".
3286         (do_nothing_debug_hooks): Set tree_type_symtab_field.
3287         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
3288         * dbxout.c (dbx_debug_hooks): Likewise.
3289         (xcoff_debug_hooks): Likewise.
3290         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3291         * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
3292         SDB_DEBUGGING_INFO is not defined.
3293         * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
3294         (Overall Options): Document -fdump-go-spec.
3295         * Makefile.in (OBJS-common): Add godump.o.
3296         (debug.o): Add dependency on $(TREE_H).
3297         (godump.o): New target.
3298         (GTFILES): Add $(srcdir)/godump.c.
3299
3300 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3301
3302         PR debug/46095
3303         * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
3304         marking r11 set RTX_FRAME_RELATED_P if offset is too large for
3305         style < 0, add REG_FRAME_RELATED_EXPR.
3306
3307         PR debug/46387
3308         * rtl.h (vt_equate_reg_base_value): New prototype.
3309         * alias.c (vt_equate_reg_base_value): New function.
3310         * var-tracking.c (vt_init_cfa_base): Use it.
3311
3312 2010-11-15  Jan Hubicka  <jh@suse.cz>
3313             Diego Novillo  <dnovillo@google.com>
3314
3315         PR lto/41528
3316         * doc/lto.texi: Add.
3317         * doc/gccint.texi: Add reference to lto.texi.
3318         * doc/invoke.texi: Update user documentation for LTO.
3319         Move internal flags to lto.texi
3320
3321 2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>
3322
3323         * c-typeck.c (build_unary_op): Use
3324         objc_build_incr_expr_for_property_ref to build the pre/post
3325         increment/decrement of an Objective-C property ref, and skip the
3326         lvalue_or_else check in that case.
3327
3328 2010-11-15  Martin Jambor  <mjambor@suse.cz>
3329
3330         PR tree-optimization/46349
3331         * tree-sra.c (contains_bitfld_comp_ref_p): New function.
3332         (contains_vce_or_bfcref_p): Likewise.
3333         (sra_modify_assign): Use them.
3334
3335 2010-11-15  Richard Guenther  <rguenther@suse.de>
3336
3337         PR tree-optimization/46467
3338         * tree-ssa-structalias.c (do_structure_copy): Properly treat
3339         variables without subvars.
3340
3341 2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>
3342
3343         * config/picochip/picochip.c (file header): Picochip name change.
3344         * config/picochip/picochip.md (file header): Likewise.
3345         * config/picochip/predicates.md (file header): Likewise.
3346         * config/picochip/dfa_space.md (file header): Likewise.
3347         * config/picochip/dfa_speed.md (file header): Likewise.
3348         * config/picochip/picochip.h(file header): Likewise.
3349         * config/picochip/constraints.md (file header): Likewise.
3350         * config/picochip/picochip-protos.h (file header): Likewise.
3351         * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
3352         * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
3353         * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
3354         * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
3355         * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
3356         * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
3357         * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
3358         * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
3359         * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
3360         * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
3361         * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
3362         * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
3363         * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
3364         * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.
3365
3366 2010-11-15  Richard Guenther  <rguenther@suse.de>
3367
3368         PR bootstrap/46474
3369         * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.
3370
3371 2010-11-15  Nick Clifton  <nickc@redhat.com>
3372
3373         * config/stormy16/stormy16.c (direct_return): Do not generate a
3374         direct return for interrupt handlers.
3375
3376 2010-11-15  Joern Rennecke  <amylaar@spamcop.net>
3377
3378         * Makefile.in (tm.texi): Replace with rule for:
3379         ($(srcdir)/doc/tm.texi).
3380         (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
3381         $(srcdir)/doc/tm.texi .
3382         (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
3383         tm.texi .
3384
3385         PR target/46427
3386         * config/m32r/m32r.c: Remove unused variables frame_size and insn.
3387
3388         PR bootstrap/45444
3389         * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
3390         (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.
3391
3392         PR target/46432
3393         * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3394
3395 2010-11-15  Richard Guenther  <rguenther@suse.de>
3396
3397         PR lto/44150
3398         * lto-opts.c (lto_write_options): Write -fexceptions even if
3399         not set by the user.
3400
3401 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
3402
3403         PR c/46462
3404         * c-decl.c (declspecs_add_type): Make variables with error types
3405         integers.
3406         * c-parser.c (c_parser_next_tokens_start_declaration): Two IDs
3407         do not start a declaration before an Objective-C foreach.
3408         (c_parser_declaration_or_fndef): Improve recovery after unknown
3409         type name.
3410         (c_parser_for_statement): Hoist entrance of "foreach context"
3411         before ifs, add corresponding reset where it was missing.  Do
3412         not set objc_could_be_foreach_context for C.
3413
3414 2010-11-14  Eric Botcazou  <ebotcazou@adacore.com>
3415
3416         PR tree-optimization/45722
3417         * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
3418         this is a reference to a component.
3419         * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
3420         (ipa_note_param_call): Adjust comment.
3421
3422 2010-11-14  Richard Sandiford  <rdsandiford@googlemail.com>
3423
3424         * config/mips/mips.c (machine_function): Remove
3425         initialized_mips16_gp_pseudo_p.
3426         (mips16_gp_pseudo_reg): Use cfun->machine->mips16_gp_pseudo_rtx to
3427         detect whether a pseudo has already been created.  Unconditionally
3428         create a new one if not.
3429         (mips_pic_base_register): Only call mips16_gp_pseudo_reg when
3430         expanding to rtl.  Create a new pseudo otherwise, if allowed.
3431
3432 2010-11-13  Richard Earnshaw  <rearnsha@arm.com>
3433
3434         PR target/43440
3435         * tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
3436         * tm.texi: Regenerated.
3437         * output.h (decode_reg_name_and_count): Declare.
3438         * varasm.c (decode_reg_name_and_count): New function.
3439         (decode_reg_name): Reimplement using decode_reg_name_and_count.
3440         * reginfo.c (fix_register): Use decode_reg_name_and_count and
3441         iterate over all regs used.
3442         * stmt.c (expand_asm_operands): Likewise.
3443         * arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
3444         (ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
3445         multiple machine registers.
3446
3447 2010-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3448
3449         * stor-layout.c (place_union_field): Do not put location information
3450         on offset expressions.
3451         (place_field): Likewise.
3452         (finalize_record_size): Likewise on size expressions.
3453         (finalize_type_size): Likewise.
3454         (layout_type): Likewise.
3455
3456 2010-11-13  Alexandre Oliva  <aoliva@redhat.com>
3457
3458         PR debug/42889
3459         * df-scan.c (df_insn_rescan): Don't mark BBs upon debug insns.
3460         * df-core.c (df_set_bb_dirty_nonrl): Remove.
3461         * df.h (df_set_bb_dirty_nonlr): Likewise.
3462
3463 2010-11-13  Uros Bizjak  <ubizjak@gmail.com>
3464
3465         * config/mips/mips.md (call_internal): Pass curr_insn to
3466         mips_split_call.
3467         (call_internal_direct): Ditto.
3468         (call_value_internal): Ditto.
3469         (call_value_internal_direct): Ditto.
3470         (call_value_multiple_internal): Ditto.
3471         * config/mips/mips.c (mips_split_call): Do not copy
3472         CALL_INSN_FUNCTION_USAGE here.
3473
3474 2010-11-13  Mingming Sun  <mingm.sun@gmail.com>
3475
3476         * doc/invoke.texi (MIPS Options): Add loongson3a processor.
3477         * config/mips/mips.md (define_attr "cpu"): Add loongson_3a.
3478         (define_insn "prefetch"): Add TARGET_LOONGSON_3A.
3479         * config/mips/mips.h (TARGET_LOONGSON_3A): Define.
3480         (TUNE_LOONGSON_3A): Define.
3481         (TARGET_LOONGSON_VECTORS): Add TARGET_LOONGSON_3A.
3482         (MIPS_ISA_LEVEL_SPEC): Add loongson3a.
3483         * config/mips/mips.c (mips_cpu_info_table): Add loongson3a.
3484         (mips_issue_rate): Add PROCESSOR_LOONGSON_3A.
3485         (mips_rtx_cost_data): Add Loongson-3A.
3486
3487 2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>
3488
3489         * config/darwin.h (LINK_COMMAND_SPEC_A): Update for changes to lto
3490         switches.
3491
3492 2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>
3493
3494         * dwarf2out.c (macinfo_entry): New struct.
3495         (output_comp_unit): Emit the section start label here and flag that we
3496         will emit an info section.
3497         (dwarf2out_start_source_file): Save data in a macinfo entry rather than
3498         emitting directly.
3499         (dwarf2out_end_source_file): Likewise.
3500         (dwarf2out_define): Likewise.
3501         (dwarf2out_undef): Likewise.
3502         (output_macinfo): New.
3503         (dwarf2out_init): Do not emit debug section switches here, allocate a
3504         vec for macinfo, when required.
3505         (dwarf2out_finish): First switch to debug_abbrev_section here.
3506         debug_line_section,  debug_macinfo_section, Likewise.
3507         Check that the pubtypes table has at least one unpruned entry before
3508         trying to emit it.
3509
3510 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
3511
3512         PR c/20385
3513         * c-parser.c (c_parser_next_token_starts_declaration): Rename to...
3514         (c_parser_next_tokens_start_declaration): ... this.  Handle 2nd
3515         token lookahead.
3516         (c_parser_compound_statement_nostart, c_parser_label,
3517         c_parser_for_statement, c_parser_omp_for_loop): Adjust calls.
3518         (c_parser_declaration_or_fndef): Detect the case now matched by
3519         c_parser_next_tokens_start_declaration, give error and correct it.
3520
3521 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
3522
3523         * c-tree.h (enum c_typespec_kind): Add ctsk_none.
3524         (struct c_declspecs): Replace tagdef_seen_p and type_seen_p
3525         with typespec_kind.
3526         * c-decl.c (build_null_declspecs): Initialize typespec_kind.
3527         (shadow_tag_warned, check_compound_literal_type): Adjust
3528         uses of tag_defined_p.
3529         (declspecs_add_type): Set typespec_kind.
3530         * c-parser.c (c_parser_declaration_or_fndef,
3531         c_parser_declspecs, c_parser_struct_declaration,
3532         c_parser_parameter_declaration, c_parser_type_name,
3533         c_parser_objc_diagnose_bad_element_prefix): Adjust uses
3534         of type_seen_p.
3535         * c-typeck.c (c_cast_expr): Use typespec_kind instead of
3536         tag_defined_p, pass ctsk_firstref through.
3537
3538 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
3539
3540         * c-format.c (enum format_specifier_kind, kind_descriptions): New.
3541         (struct format_wanted_type): Replace field "name" with "kind", add
3542         "format_start" and "format_length".
3543         (check_format_info_main): Fill in new fields.  Fill in
3544         FORMAT_WANTED_TYPES even for missing arguments.  Move checks
3545         after the final NUL outside the while loop.  Do not include
3546         width and precision modifiers in the format_start/format_length
3547         of the main format.
3548         (check_format_types): Remove FORMAT_START and FORMAT_LENGTH
3549         arguments.  Compute WANTED_TYPE first so that format_type_warning
3550         can be called for missing arguments.  Adjust calls to
3551         format_type_warning.
3552         (format_type_warning): Fetch as much information as possible
3553         from format_wanted_type.  Adjust printing now that every
3554         warning has a "descr", as well as for missing argument warnings
3555         and to include % sign for format specifiers.
3556
3557 2010-11-12  Alexander Monakov  <amonakov@ispras.ru>
3558
3559         PR rtl-optimization/46204
3560         * sel-sched-ir.c (maybe_tidy_empty_bb): Remove second argument.
3561         Update all callers.  Do not recompute topological order.  Adjust
3562         fallthrough edges following a degenerate conditional jump.
3563
3564 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
3565
3566         * opts-common.c (control_warning_option): New.
3567         * opts.c (set_default_handlers): New.
3568         (decode_options): Use set_default_handlers and
3569         control_warning_option.
3570         (common_handle_option): Update call to enable_warning_as_error.
3571         (enable_warning_as_error): Take gcc_options parameters.  Use
3572         control_warning_option.
3573         * opts.h (set_default_handlers, control_warning_option): Declare.
3574
3575 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
3576
3577         * Makefile.in (OPTS_H): Define.
3578         (c-decl.o, c-family/c-common.o, c-family/c-opts.o,
3579         c-family/c-pch.o, c-family/c-pragma.o, gcc.o, gccspec.o,
3580         cppspec.o, options.o, gcc-options.o, lto-opts.o, opts.o,
3581         opts-common.o, toplev.o, passes.o, matrix-reorg.o,
3582         ipa-struct-reorg.o, PLUGIN_HEADERS): Use $(OPTS_H).
3583         * gcc.c (driver_handle_option): Take location_t parameter.
3584         (process_command, do_self_spec): Update calls to
3585         read_cmdline_option.
3586         * langhooks-def.h (lhd_handle_option): Take location_t parameter.
3587         * langhooks.c (lhd_handle_option): Take location_t parameter.
3588         * langhooks.h (handle_option): Take location_t parameter.
3589         * lto-opts.c (lto_reissue_options): Update call to set_option.
3590         * opts-common.c (handle_option): Make static.  Take location_t
3591         parameter and pass it to other functions.
3592         (handle_generated_option): Take location_t parameter and pass it
3593         to other functions.
3594         (read_cmdline_option): Take location_t parameter and pass it to
3595         other functions.  Use warning_at and error_at.
3596         (set_option): Take location_t parameter and pass it to other
3597         functions.
3598         * opts.c (common_handle_option): Take location_t parameter and
3599         pass it to other functions.
3600         (enable_warning_as_error): Make static.  Take location_t parameter
3601         and pass it to other functions.
3602         (lang_handle_option): Take location_t parameter and pass it to
3603         other functions.
3604         (target_handle_option): Take location_t parameter.
3605         (read_cmdline_options, maybe_default_option,
3606         maybe_default_options, default_options_optimization,
3607         decode_options): Take location_t parameter and pass it to other
3608         functions.
3609         * opts.h: Include input.h.
3610         (struct cl_option_handler_func, decode_options, set_option,
3611         handle_generated_option, read_cmdline_option): Take location_t
3612         parameters.
3613         (handle_option, enable_warning_as_error): Remove.
3614         * toplev.c (toplev_main): Update call to decode_options.
3615
3616 2010-11-12  Tobias Grosser  <grosser@fim.uni-passau.de>
3617
3618         * graphite-cloog-util.c (oppose_constraint,
3619         cloog_matrix_to_ppl_constraint,
3620         new_Constraint_System_from_Cloog_Matrix): Explicitly cast to int as
3621         CLooG isl uses unsigned integers.  This triggered a warning.
3622
3623 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
3624
3625         PR target/46438
3626         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use LCT_NORMAL.
3627         (xtensa_setup_frame_addresses, xtensa_trampoline_init): Likewise.
3628         (xtensa_function_arg_1): De-constify cum.
3629         (xtensa_expand_prologue): Use add_reg_note.
3630
3631         PR target/46435
3632         * config/cris/cris.c (saved_regs_mentioned): Delete.
3633         (cris_reload_address_legitimized): Cast itype to enum reload_type.
3634         Remove unused variable op0p.
3635         (cris_rtx_costs): Cast argument 2 to rtx_cost to enum rtx_code.
3636         (cris_emit_movem_store): Use add_reg_note.
3637
3638         PR bootstrap/46456
3639         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Split assert.
3640
3641 2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3642
3643         * function.c (expand_function_end): Set the locator of the prologue on
3644         the stack checking insns.
3645
3646 2010-11-12  Richard Henderson  <rth@redhat.com>
3647
3648         * config.gcc [xtensa] (extra_options): Add fused-madd.opt.
3649         * config/xtensa/xtensa.opt (mfused-madd): Remove.
3650         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3651         MASK_FUSED_MADD.
3652         * config/xtensa/xtensa.md (fmasf4): Rename from muladdsf3; use fma.
3653         (fnmasf4): Rename from mulsubsf3; use fma.
3654
3655 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
3656             Richard Henderson  <rth@redhat.com>
3657
3658         PR target/46428
3659         * config/moxie/moxie.c (moxie_expand_prologue): Remove unused variables.
3660         * config/moxie/moxie.h (HARD_REGNO_OK_FOR_BASE_P): Use unsigned
3661         comparison.
3662
3663 2010-11-12  Pat Haugen  <pthaugen@us.ibm.com>
3664
3665         * opts-common.c (decode_cmdline_option): Initialize separate_args.
3666
3667 2010-11-12  Jan Hubicka  <jh@suse.cz>
3668
3669         * doc/invoke.texi (early-inlining-insns): Update default.
3670         * params.def (early-inlining-insns): Default to 10.
3671
3672 2010-11-12  Olivier Hainque  <hainque@adacore.com>
3673
3674         * config/rs6000/aix.h: #undef TARGET_AIX_OS before #define.
3675
3676 2010-11-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3677
3678         * config/mips/iris6.h [!IRIX_USING_GNU_LD]
3679         (SUPPORTS_INIT_PRIORITY): Define.
3680
3681 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
3682
3683         PR target/46430
3684         * config/avr/avr-protos.h (avr_return_addr_rtx): Update prototype.
3685         * config/avr/driver-avr.c (avr_device_to_arch): Always return value.
3686         (avr_device_to_data_start, avr_device_to_startfiles): Likewise.
3687         (avr_device_to_devicelib): Likewise.
3688         * config/avr/avr.md (zero_extendqihi2): Put variable declarations
3689         into block.
3690         (zero_extendqisi2, zero_extendhisi2, zero_extendqidi2): Likewise.
3691         (zero_extendhidi2, zero_extendsidi2): Likewise.
3692         * config/avr/avr.c (avr_num_arg_regs): Constify type.
3693         (avr_return_addr_rtx): De-constify tem.
3694         (avr_rotate_bytes): Move declarations to start of block.
3695         Don't use variable length array.  Put nested if/else into block.
3696
3697         PR rtl-optimization/46433
3698         * var-tracking.c: Include tm_p.h .
3699
3700         PR bootstrap/44756
3701         PR build/44767
3702         * doc/tm.texi.in (LOCAL_ALIGNMENT): State that the type, if any,
3703         should be unsigned.
3704         (STACK_SLOT_ALIGNMENT, LOCAL_DECL_ALIGNMENT, PUSH_ROUNDING): Likewise.
3705         * doc/tm.texi: Regenerate.
3706
3707         PR target/46412
3708         * config/bfin/bfin-protos.h (bfin_local_alignment): Update prototype.
3709         * config/bfin/bfin.c: Include sel-sched.h .
3710         (bfin_cpus): Use BFIN_CPU_UNKNOWN for last initializer element.
3711         (expand_interrupt_handler_prologue): Remove unused variable insn.
3712         (bfin_load_pic_reg): Likewise.
3713         (bfin_rtx_costs): Make code / outer_code variables of type
3714         enum rtx_code, copied from re-named parameters.
3715         (bfin_local_alignment): Change align argument and return type
3716         to unsigned.
3717         (bfin_adjust_cost): Remove unused variable insn_type.
3718         Declare variables at start of block.
3719         (struct loop_info): Rename to...
3720         (struct loop_info_d).
3721         (workaround_rts_anomaly): Change type of icode to int.
3722         (harmless_null_pointer_p): Cast REGNO (..) to int before comparison
3723         with int-typed variable.
3724         (note_np_check_stores): Likewise.
3725         (trapping_loads_p): Remove unused variable pat.
3726         (bfin_expand_binop_builtin): Use expand_normal.
3727         (bfin_expand_unop_builtin): Likewise.
3728         (bfin_expand_builtin): Likewise.  Set tmode before use.
3729
3730         PR middle-end/44769
3731         * final.c (split_double): Don't use BITS_PER_WORD directly in
3732         shift count.
3733
3734         PR target/46431
3735         * config/fr30/fr30.md (*movsf_constant_store): Remove duplicated
3736         assignment.
3737
3738         PR target/46450
3739         * config/stormy16/stormy16.c (xstormy16_expand_prologue):
3740         Use add_reg_note.
3741         (xstormy16_function_arg): Dereference cum.
3742         (xstormy16_expand_builtin): Use expand_normal.
3743         Change type of omode to enum machine_mode.
3744         (combine_bnp): Rename and to and_insn.
3745
3746         PR target/46437
3747         * config/mcore/mcore.c (layout_mcore_frame): Remove unused variable
3748         localreg.
3749
3750 2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3751
3752         PR debug/46375
3753         * emit-rtl.c (remove_insn): Do not mark BBs upon debug insns.
3754
3755 2010-11-11  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
3756
3757         PR lto/46376
3758         * lto-symtab.c (lto_symtab_resolve_replaceable_p): Use DECL_ONE_ONLY.
3759
3760 2010-11-11  Nathan Froyd  <froydnj@codesourcery.com>
3761
3762         PR c/44782
3763         * common.opt (fmax-errors=): New option.
3764         * opts.c (common_handle_option) [OPT_fmax_errors_]: Handle it.
3765         * diagnostic.h (struct diagnostic_context): Add max_errors field.
3766         * diagnostic.c (diagnostic_initialize): Initialize it.
3767         (diagnostic_action_after_output): Exit if more than max_errors
3768         have been output.
3769         * doc/invoke.texi (Warning Options): Add -fmax-errors.
3770         (-fmax-errors): Document.
3771
3772 2010-11-11  Richard Henderson  <rth@redhat.com>
3773
3774         * optabs.c (init_optabs): Init {fma,fms,fnma,fnms}_optab properly.
3775
3776 2010-11-11  Richard Henderson  <rth@redhat.com>
3777
3778         * config/fused-madd.opt: New file.
3779         * config.gcc [i386-*, x86_64-*] (extra_options): Use it.
3780         * config/i386/i386.c (ix86_extra_costs): Handle FMA.
3781         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
3782         * config/i386/i386.opt (mfused-madd): Remove.
3783         * config/i386/sse.md (split_fma): Remove.
3784         (split_fms, split_fnma, split_fnms): Remove.
3785
3786 2010-11-12  Jakub Jelinek  <jakub@redhat.com>
3787
3788         PR target/46088
3789         * config/i386/i386.md (*ashl<mode>3_cconly,
3790         *<shiftrt_insn><mode>3_cconly): Don't use ix86_binary_operator_ok,
3791         change nonimmediate_operand predicate to register_operand.
3792
3793 2010-11-11  Paolo Bonzini  <bonzini@gnu.org>
3794
3795         * Makefile.in (gengtype-lex.c): Include bconfig.h first.
3796
3797 2010-11-11  Jan Hubicka  <jh@suse.cz>
3798
3799         * opts.c (finish_options): Do not error on -flto-partition alone.
3800
3801         * doc/invoke.texi (-fwhopr): Merge into -flto section.
3802         (-flto-partition): Document none.
3803         * gcc.c (LINK_COMMAND_SPEC): Remove -fwhopr.
3804         * lto-wrapper.c: Update comment.
3805         (run_gcc): Update LTO option parsing.
3806         * opts.c (finish_options): add support -flto-partition=none
3807         (common_handle_option): Remove fwhopr.
3808         * common.opt: Turn fwhopr into flto.
3809         * collect2.c (main): Update option handling.
3810         * cgraphunit.c (cgraph_decide_is_function_needed): Remove flag_whopr.
3811         * ipa-split.c (execute_split_functions): Remove flag_whopr.
3812         * ipa.c (function_and_variable_visibility): Remove flag_whopr.
3813         * ipa-prop.c (ipa_compute_jump_functions): Remove flag_whopr.
3814         * varpool.c (decide_is_variable_needed): Remove flag_whopr.
3815
3816 2010-11-11  Jan Hubicka  <jh@suse.cz>
3817
3818         PR tree-optimize/40436
3819         * ipa-inline.c (likely_eliminated_by_inlining_p): Rename to ...
3820         (eliminated_by_inlining_prob): ... this one; return 50% probability
3821         for SRA.
3822         (estimate_function_body_sizes): Update use of
3823         eliminated_by_inlining_prob; estimate static function size
3824         for 2 instructions.
3825
3826 2010-11-11  Joern Rennecke  <amylaar@spamcop.net>
3827
3828         PR target/44749
3829         * config/mep/mep-protos.h (mep_legitimize_reload_address): Always
3830         declare.  Change type of argument four to type int.
3831         (mep_secondary_input_reload_class): Returns enum reg_class.
3832         (mep_secondary_output_reload_class): Likewise.
3833         (mep_function_value): Change types of arguments to cont_tree.
3834         * config/mep/mep.c (mep_legitimize_reload_address): Change type of
3835         argument four to type int.
3836         (mep_secondary_input_reload_class): Returns enum reg_class.
3837         (mep_secondary_output_reload_class): Likewise.
3838         (mep_function_value): Change types of arguments to cont_tree.
3839         * config/mep/mep.h (REGNO_REG_CLASS): Cast return value of
3840         mep_regno_reg_class to enum reg_class.
3841
3842 2010-11-11  Richard Henderson  <rth@redhat.com>
3843
3844         * tree-ssa-math-opts.c (convert_mult_to_fma): Do not verify
3845         that the target has the exact fma operation that we matched.
3846
3847 2010-11-11  Joseph Myers  <joseph@codesourcery.com>
3848
3849         * reginfo.c (fix_register): Avoid inserting English word in
3850         diagnostic sentence.  Use %qs for quoting and %'.
3851
3852 2010-11-11  H.J. Lu  <hongjiu.lu@intel.com>
3853
3854         * config/i386/driver-i386.c (host_detect_local_cpu): Support
3855         Intel processor family 6, model 0x2c.
3856
3857 2010-11-11  Joseph Myers  <joseph@codesourcery.com>
3858
3859         * opts.c (warning_as_error_callback,
3860         register_warning_as_error_callback): Remove.
3861         (enable_warning_as_error): Don't use warning_as_error_callback.
3862         * opts.h (register_warning_as_error_callback): Remove.
3863
3864 2010-11-11  Richard Henderson  <rth@redhat.com>
3865
3866         * tree-ssa-math-opts.c (convert_mult_to_fma): Handle a NEGATE_EXPR
3867         in between the MULT and the PLUS/MINUS.
3868
3869 2010-11-11  Jakub Jelinek  <jakub@redhat.com>
3870
3871         PR middle-end/46388
3872         * expr.c (expand_assignment): If to_rtx is a VOIDmode MEM, use
3873         BLKmode mode for it.
3874         (expand_expr_real_1): Similarly for op0.
3875
3876 2010-11-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3877
3878         * doc/sourcebuild.texi (LTO Testing, dg-suppress-ld-options):
3879         Document optional target selector.
3880
3881 2010-11-11  Dave Korn  <dave.korn.cygwin@gmail.com>
3882
3883         * lto-streamer-out.c (write_symbol): Use int_size_in_bytes rather than
3884         assembling high and low parts of size if not using 32-bit HWINT; else
3885         use DECL_SIZE_UNITS, not DECL_SIZE.
3886
3887 2010-11-11  Martin Jambor  <mjambor@suse.cz>
3888
3889         PR tree-optimization/46383
3890         * ipa-prop.c (compute_complex_assign_jump_func): Ignore negative
3891         offsets.
3892         (compute_complex_ancestor_jump_func): Likewise.
3893         * tree.c (get_binfo_at_offset): Return NULL_TREE if offset is negative.
3894
3895 2010-11-11  Jakub Jelinek  <jakub@redhat.com>
3896
3897         PR debug/46150
3898         * tree-ssa-loop-ivopts.c (htab_inv_expr_eq): Don't return
3899         true if expr1->hash != expr2->hash.
3900
3901 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
3902
3903         * cfgloop.c (verify_loop_structure): Use %' in diagnostics.  Start
3904         diagnostics with lowercase letters.
3905         * cgraphunit.c (verify_cgraph_node): Start diagnostics with
3906         lowercase letters.
3907         * collect2.c (maybe_run_lto_and_relink): Remove trailing '.' from
3908         diagnostic.
3909         * config/alpha/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
3910         * config/arm/arm.c (arm_get_pcs_model): Start diagnostics with
3911         lowercase letters.
3912         * config/arm/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
3913         Remove trailing ' ' from diagnostic.
3914         * config/avr/avr.c (print_operand_address): Start diagnostic with
3915         a lowercase letter and remove trailing '.'.
3916         * config/avr/avr.opt (mpmem-wrap-around): Fix typo in help text.
3917         * config/bfin/bfin.c (bfin_option_override): Start diagnostics
3918         with lowercase letters.  Use %' in diagnostics.  Remove trailing
3919         '.' from diagnostics.
3920         (bfin_handle_longcall_attribute): Use %' in diagnostic.
3921         * config/cris/cris.c (cris_split_movdx,
3922         cris_expand_pic_call_address): Start diagnostics with lowercase
3923         letters.
3924         (cris_asm_output_label_ref): Use %' in diagnostic.
3925         * config/cris/cris.h (ASM_SPEC): Start diagnostic with a lowercase
3926         letter.
3927         * config/crx/crx.h (FUNCTION_PROFILER): Start diagnostic with a
3928         lowercase letter.
3929         * config/darwin-c.c (version_as_macro): Start diagnostic with a
3930         lowercase letter.
3931         * config/darwin-driver.c (darwin_default_min_version): Use %' in
3932         diagnostic.
3933         * config/host-darwin.c (darwin_gt_pch_use_address): Use %' in
3934         diagnostic.
3935         * config/i386/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
3936         * config/i386/host-cygwin.c (cygwin_gt_pch_get_address): Use %' in
3937         diagnostics.
3938         * config/i386/i386.c (ix86_option_override_internal): Write
3939         diagnostic as a single sentence without trailing '.'.  Use %' in
3940         diagnostics.
3941         (ix86_function_sseregparm, classify_argument): Start diagnostics
3942         with lowercase letters.
3943         (ix86_expand_prologue): Use %' in diagnostic.
3944         * config/i386/i386.h (CC1_CPU_SPEC_1): Remove trailing '.' from
3945         diagnostic.
3946         * config/i386/nwld.h (LINK_SPEC): Start diagnostic with a
3947         lowercase letter.
3948         * config/i386/winnt.c (i386_pe_determine_dllimport_p): Use %' in
3949         diagnostic.
3950         * config/ia64/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
3951         * config/ia64/ia64.opt (msched-max-memory-insns-hard-limit): Avoid
3952         '`' in help text.
3953         * config/lm32/lm32.c (lm32_print_operand): Start diagnostic with a
3954         lowercase letter.
3955         * config/mep/mep.c (mep_validate_vliw): Start diagnostics with
3956         lowercase letters.
3957         * config/microblaze/microblaze.c (microblaze_handle_option):
3958         Remove trailing '.' from diagnostic.
3959         (print_operand): Start diagnostic with a lowercase letter.
3960         * config/pa/pa-hpux10.h (LINK_SPEC): Start diagnostics with
3961         lowercase letters.  Avoid '`' in diagnostics.
3962         * config/pa/pa-hpux11.h (LINK_SPEC): Start diagnostics with
3963         lowercase letters.  Avoid '`' in diagnostics.
3964         * config/pa/pa64-hpux.h (LINK_SPEC): Start diagnostics with
3965         lowercase letters.  Avoid '`' in diagnostics.
3966         * config/picochip/picochip.c (picochip_option_override,
3967         picochip_emit_save_register, picochip_function_arg,
3968         picochip_output_label, picochip_output_internal_label,
3969         picochip_asm_output_opcode, picochip_output_cbranch,
3970         picochip_output_compare, picochip_output_branch,
3971         picochip_get_vliw_alu_id): Remove trailing '.' and '\n' from
3972         diagnostics. Start diagnostics with lowercase letters.  Use %' in