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PR target/48032
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-03-15  Alan Modra  <amodra@gmail.com>
2
3         PR target/48032
4         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
5         presume symbol_refs without a symbol_ref_decl are suitably
6         aligned, nor other trees we may see here.  Handle anchor symbols.
7         (legitimate_constant_pool_address_p): Comment.  Add mode param.
8         Check cmodel=medium addresses.  Adjust all calls.
9         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
10         creating cmodel=medium optimized access to locals.
11         * config/rs6000/constraints.md (R): Pass QImode to
12         legitimate_constant_pool_address_p.
13         * config/rs6000/predicates.md (input_operand): Pass mode to
14         legitimate_constant_pool_address_p.
15         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
16         Update prototype.
17
18 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
19
20         PR target/48053
21         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
22         64-bit constants being loaded into registers other than GPRs such
23         as loading 0 into a VSX register.
24
25 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26
27         * config/sol2.c (solaris_assemble_visibility): Remove obsolete
28         URLs.
29
30 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
31
32         PR middle-end/47917
33         * builtins.c (fold_builtin_snprintf): New function.
34         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
35         (fold_builtin_4): Likewise.
36
37         PR middle-end/38878
38         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
39         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
40         and C - X == X also strip nops from +/-/p+ operand.
41         When optimizing -X == C, fold C to arg0's type.
42
43         PR debug/47946
44         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
45         emit it as add_AT_int instead of add_AT_unsigned.
46
47 2011-03-14  Tom Tromey  <tromey@redhat.com>
48
49         * unwind-dw2.c: Include sys/sdt.h if it exists.
50         (_Unwind_DebugHook): Use STAP_PROBE2.
51         * config.in, configure: Rebuild.
52         * configure.ac: Check for sys/sdt.h.
53
54 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
55
56         * config/i386/i386.md (ROUND_FLOOR): New constant.
57         (ROUND_CEIL): Ditto.
58         (ROUND_TRUNC): Ditto.
59         (ROUND_MXCSR): Ditto.
60         (ROUND_NO_EXC): Ditto.
61         (rint<mode>2): Use new defines instead of numerical constants.
62         (floor<mode>2): Ditto.
63         (ceil<mode>2): Ditto.
64         (btrunc<mode>2): Ditto.
65         * config/i386/i386-builtin-types.def: Define ROUND function type
66         aliases.
67         * config/i386/i386.c (enum ix86_builtins): Add
68         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
69         (struct builtin_description): Add
70         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
71         (ix86_expand_sse_round): New static function.
72         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
73         function types.
74         (ix86_builtin_vectorized_function): Handle
75         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
76
77 2011-03-14  Tom Tromey  <tromey@redhat.com>
78
79         * c-parser.c (c_parser_asm_string_literal): Clear
80         warn_overlength_strings.
81
82 2011-03-14  Tom Tromey  <tromey@redhat.com>
83
84         * c-parser.c (disable_extension_diagnostics): Save
85         warn_overlength_strings.
86         (restore_extension_diagnostics): Restore warn_overlength_strings.
87
88 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
89
90         * BASE-VER: Change to 4.7.0.
91
92 2011-03-14  Richard Guenther  <rguenther@suse.de>
93
94         PR middle-end/48098
95         * tree.c (build_vector_from_val): Adjust assert to requirements
96         and reality.
97
98 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
99
100         PR bootstrap/48102
101         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
102
103 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
104
105         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
106         terms of target_flags_explicit. Adjust copyright year.
107
108         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
109         * config/rs6000/t-freebsd: New file. Add override for
110         LIB2FUNCS_EXTRA.
111
112 2011-03-13  Chris Demetriou  <cgd@google.com>
113
114         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
115         (-fno-diagnostics-show-option): this, to reflect current default.
116         (-Werror=): Update text about -fno-diagnostics-show-option.
117
118 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
119
120         PR target/48053
121         * config/rs6000/predicates.md (easy_vector_constant_add_self,
122         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
123         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
124         mode is not V2DImode or V2DFmode.
125         (vspltis_constant): Do not handle V2DImode and V2DFmode.
126         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
127         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
128         registers to 0.
129         (movdi_internal64): Likewise.
130
131 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
132
133         PR tree-optimization/47127
134         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
135         parameter.
136         (set_cloog_options): Same.
137         (scop_to_clast): Same.
138         (print_clast_stmt): Do not call cloog_state_malloc and
139         cloog_state_free.
140         (print_generated_program): Same.
141         (gloog): Same.
142         * graphite-clast-to-gimple.h (cloog_state): Declared.
143         (scop_to_clast): Adjust declaration.
144         * graphite.c (cloog_state): Defined here.
145         (graphite_initialize): Call cloog_state_malloc.
146         (graphite_finalize): Call cloog_state_free.
147
148 2011-03-11  Jason Merrill  <jason@redhat.com>
149
150         * attribs.c (lookup_attribute_spec): Take const_tree.
151         * tree.h: Adjust.
152
153 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
154
155         * config/sparc/sparc.c (sparc_option_override): Use
156         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
157
158 2011-03-11  Richard Guenther  <rguenther@suse.de>
159
160         PR tree-optimization/48067
161         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
162         multiplication result will be only used once on the target
163         stmt.
164
165 2011-03-11  Richard Guenther  <rguenther@suse.de>
166
167         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
168
169 2011-03-11  Richard Guenther  <rguenther@suse.de>
170
171         PR lto/48073
172         * tree.c (find_decls_types_r): Do not walk types only reachable
173         from IDENTIFIER_NODEs.
174
175 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
176
177         PR middle-end/48044
178         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
179         all vnode->force_output nodes as needed.
180
181 2011-03-11  Jason Merrill  <jason@redhat.com>
182
183         PR c++/48069
184         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
185         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
186
187 2011-03-11  Martin Jambor  <mjambor@suse.cz>
188
189         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
190         cgraph_node.
191
192 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
193
194         PR tree-optimization/48063
195         * ipa-inline.c (cgraph_decide_inlining): Don't try to
196         inline functions called once if !tree_can_inline_p (node->callers).
197
198 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
199
200         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
201         extra_objs.
202         * config/score/score3.c: Delete.
203         * config/score/score3.h: Delete.
204         * config/score/mul-div.S: Delete.
205         * config/score/sfp-machine.h: Add new file.
206         * config/score/constraints.md: Add new file.
207         * config/score/t-score-softfp: Add new file.
208         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
209         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
210         (score7_extra_constraint): Delete.
211         (score7_option_override): Remove unused code.
212         * config/score/score.c: Remove score3 and score5 define and code.
213         * config/score/score.h: Remove score3 and score5 define and code.
214         * config/score/score.md: Remove score3 template and unusual insn.
215         * config/score/score.opt: Remove score3 and score5 options.
216
217 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
218
219         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
220         when _HPUX_SOURCE is defined.
221         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
222
223 2011-03-10  Jason Merrill  <jason@redhat.com>
224
225         PR c++/48029
226         * stor-layout.c (layout_type): Don't set structural equality
227         on arrays of incomplete type.
228         * tree.c (type_hash_eq): Handle comparing them properly.
229
230 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
231
232         PR debug/48043
233         * config/s390/s390.c (s390_delegitimize_address): Make sure the
234         result mode matches original rtl mode.
235
236 2011-03-10  Nick Clifton  <nickc@redhat.com>
237
238         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
239         (andsi3, andsi3_flags): Fix timings for three operand alternative.
240
241 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
242
243         PR rtl-optimization/47866
244         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
245         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
246         if target wasn't scalar.
247         * function.c (assign_stack_temp_for_type): Assert that neither
248         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
249         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
250         macro.
251         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
252
253 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
254
255         * config/s390/s390-protos.h (s390_label_align): New prototype.
256         * config/s390/s390.c (s390_label_align): New function.
257         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
258
259 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
260
261         PR target/47755
262         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
263         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
264         (output_vec_const_move): Ditto.
265
266 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
267
268         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
269         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
270         * config/mips/mips.c (mips_preferred_reload_class): Make static.
271         Change 'rclass' argument and result type to reg_class_t.
272         (TARGET_PREFERRED_RELOAD_CLASS): Define.
273
274 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
275
276        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
277        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
278        TARGET_MEMORY_MOVE_COST): Define.
279        (avr_register_move_cost, avr_memory_move_cost): New Functions.
280
281 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
282
283         PR debug/47881
284         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
285         removed anything.
286
287         PR tree-optimization/48022
288         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
289         for EQ/NE_EXPR.
290
291 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
292
293         PR debug/47991
294         * var-tracking.c (find_use_val): Return NULL for
295         cui->sets && cui->store_p BLKmode MEMs.
296
297 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
298
299         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
300         Remove.
301         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
302         xstormy16_print_operand_address): Remove.
303         * config/stormy16/stormy16.c (xstormy16_print_operand,
304         xstormy16_print_operand_address): Make static.
305         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
306
307 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
308
309         PR target/47862
310         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
311         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
312         before definition.
313
314 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
315
316         PR bootstrap/48000
317         * cfgloopmanip.c (fix_bb_placements): Return immediately
318         if FROM is BASE_LOOP's header.
319
320 2011-03-07  Paul W√∂gerer  <paul_woegerer@mentor.com>
321
322         * gimplify.c (gimplify_function_tree): Fix building calls
323         to __builtin_return_address.
324
325 2011-03-07  Alan Modra  <amodra@gmail.com>
326
327         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
328         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
329         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
330         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
331         return_mode args.
332         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
333         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
334         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
335         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
336         * config/rs6000/rs6000.c
337         (rs6000_elf_end_indicate_exec_stack): Rename to..
338         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
339         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
340         (rs6000_file_start): ..here.
341         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
342         file scope variables.
343         (call_ABI_of_interest): New function.
344         (init_cumulative_args): Set above vars when function return value
345         is a float, vector, or small struct.
346         (rs6000_function_arg_advance_1): Likewise for function args.
347         (rs6000_va_start): Set rs6000_passes_float if variable arg function
348         references float args.
349
350 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
351
352         * doc/cfg.texi: Remove "See" before @ref.
353         * doc/invoke.texi: Likewise.
354
355 2011-03-05  Jason Merrill  <jason@redhat.com>
356
357         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
358
359 2011-03-05  Anthony Green  <green@moxielogic.com>
360
361         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
362
363 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
364
365         PR rtl-optimization/47899
366         * cfgloopmanip.c (fix_bb_placements): Fix first argument
367         to flow_loop_nested_p when moving the loop upward.
368
369 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
370
371         PR target/47719
372         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
373
374 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
375
376         PR tree-optimization/47967
377         * ipa-cp.c (build_const_val): Return NULL instead of creating
378         VIEW_CONVERT_EXPR for mismatching sizes.
379         (ipcp_create_replace_map): Return NULL if build_const_val failed.
380         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
381         give up on versioning.
382
383 2011-03-05  Alan Modra  <amodra@gmail.com>
384
385         PR target/47986
386         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
387         full cmodel medium/large lo_sum + high addresses.
388
389 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
390
391         * config/s390/s390.c (s390_decompose_address): Reject non-literal
392         pool references in UNSPEC_LTREL_OFFSET.
393
394 2011-03-04  Jan Hubicka  <jh@suse.cz>
395
396         PR lto/47497
397         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
398         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
399         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
400         Add node pointers.
401         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
402         cgraph_add_thunk): Add node pointers.
403         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
404         associated to right node.
405         (input_node): Update use of cgraph_same_body_alias
406         and cgraph_add_thunk.
407
408 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
409
410         * config/i386/i386.opt (mprefer-avx128): New flag.
411         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
412         modes when the flag -mprefer-avx128 is on.
413
414 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
415
416         * dwarf2out.c (compare_loc_operands): Fix address handling.
417
418 2011-03-04  Alan Modra  <amodra@gmail.com>
419
420         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
421
422 2011-03-04  Richard Guenther  <rguenther@suse.de>
423
424         PR middle-end/47968
425         * expmed.c (extract_bit_field_1): Prefer vector modes that
426         vec_extract patterns can handle.
427
428 2011-03-04  Richard Guenther  <rguenther@suse.de>
429
430         PR middle-end/47975
431         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
432
433 2011-03-04  Richard Henderson  <rth@redhat.com>
434
435         * explow.c (emit_stack_save): Remove 'after' parameter.
436         (emit_stack_restore): Likewise.
437         * expr.h: Update to match.
438         * builtins.c, calls.c, stmt.c: Likewise.
439         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
440         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
441         * function.c (expand_function_end): Insert the emit_stack_save
442         sequence before parm_birth_insn instead of after.
443
444 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
445
446         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
447         (ssse3_pmaddubsw128): Ditto.
448         (ssse3_pmaddubsw): Ditto.
449
450 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
451
452         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
453
454 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
455
456         PR c/47963
457         * gimplify.c (omp_add_variable): Only call omp_notice_variable
458         on TYPE_SIZE_UNIT if it is a DECL.
459
460         PR debug/47283
461         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
462         first operand is not is_gimple_mem_ref_addr, try to fold it.
463         If the operand still isn't is_gimple_mem_ref_addr, clear
464         MEM_EXPR on op0.
465
466 2011-03-03  Richard Guenther  <rguenther@suse.de>
467
468         PR middle-end/47283
469         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
470         match comment.
471         (refs_may_alias_p_1): For release branches return true if
472         we are confused by our input.
473
474 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
475
476         * config/s390/s390.c (s390_function_value): Rename to ...
477         (s390_function_and_libcall_value): ... this.
478         (s390_function_value): New function.
479         (s390_libcall_value): New function.
480         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
481         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
482         target macro definitions.
483         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
484
485 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
486
487         * config/i386/freebsd64.h (CC1_SPEC): Define.
488         * config/i386/linux64.h (CC1_SPEC): Define.
489         * config/i386/x86-64.h (CC1_SPEC): Don't define.
490
491 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
492
493         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
494         Remove.
495         * config/stormy16/stormy16.c: Include reload.h.
496         (xstormy16_memory_move_cost): New function.
497         (TARGET_MEMORY_MOVE_COST): Define.
498
499 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
500
501         PR rtl-optimization/47925
502         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
503         with side effects.  Remove the more-specific check for volatile asms.
504
505 2011-03-02  Alan Modra  <amodra@gmail.com>
506
507         PR target/47935
508         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
509         toc relative addresses for valid offsets.
510
511 2011-03-01  Richard Guenther  <rguenther@suse.de>
512
513         PR tree-optimization/47890
514         * tree-vect-loop.c (get_initial_def_for_induction): Set
515         related stmt properly.
516
517 2011-03-01  Richard Guenther  <rguenther@suse.de>
518
519         PR lto/47924
520         * lto-streamer.c (lto_record_common_node): Also register
521         the canonical type.
522
523 2011-03-01  Richard Guenther  <rguenther@suse.de>
524
525         PR lto/46911
526         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
527         Do not stream DECL_ABSTRACT_ORIGIN.
528         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
529         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
530         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
531         Do not stream DECL_ABSTRACT_ORIGIN.
532         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
533         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
534
535 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
536
537         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
538         FUNCTION_VALUE_REGNO_P): Remove.
539         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
540         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
541         Add 'outgoing' argument.
542         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
543         function.
544         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
545         TARGET_FUNCTION_VALUE_REGNO_P): Define.
546
547 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
548
549         PR debug/28047
550         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
551         (lookup_filename): Likewise.
552         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
553
554 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
555             Jakub Jelinek  <jakub@redhat.com>
556
557         PR middle-end/47893
558         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
559         (assign_stack_local_1): Change last argument type to int.
560         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
561         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
562         don't record padding space into frame_space_list nor use those areas.
563         (assign_stack_local): Adjust caller.
564         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
565         of assign_stack_local, pass 0 as last argument.
566         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
567         callers.
568
569 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
570
571         PR debug/47283
572         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
573         Use target address_mode and pointer_mode hooks instead of hardcoded
574         Pmode and ptr_mode.  Handle some simple cases of extending if
575         POINTERS_EXTEND_UNSIGNED < 0.
576         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
577         Call convert_debug_memory_address.
578         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
579         convert_debug_memory_address.
580
581         PR middle-end/46790
582         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
583         * configure: Regenerated.
584         * config.in: Regenerated.
585         * varasm.c (default_function_section): Return NULL
586         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
587
588 2011-02-28  Martin Jambor  <mjambor@suse.cz>
589
590         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
591         the description to match the printed values.
592
593 2011-02-28  Richard Guenther  <rguenther@suse.de>
594
595         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
596         of the copied scope tree.
597
598 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
599
600         * doc/extend.texi (Function Attributes): Avoid deeply (and
601         wrongly) nested tables.
602
603 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
604
605         PR middle-end/47903
606         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
607         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
608         r isn't op0 nor op1.
609
610 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
611
612         * config/avr/avr.md: Remove magic comment for emacs.
613
614 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
615
616         PR target/45261
617         * config/avr/avr.c (avr_option_override): Use error on bad options.
618         (avr_help): New function.
619         (TARGET_HELP): Define.
620
621 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
622
623         PR target/42240
624         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
625         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
626
627 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
628
629         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
630         (ARM Options): Ditto.
631         (i386 and x86-64 Options): Ditto.
632         (RX Options): Ditto.
633         (SPARC Options): Ditto.
634
635 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
636
637         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
638         FreeBSD 6 and later.  Generally use cpu generic.
639
640 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
641
642         * doc/cpp.texi: Update copyright years.
643
644 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
645
646         PR target/46898
647         * config/lm32/lm32.md (ashrsi3): Added needed variable.
648
649 2011-02-25  Jon Beniston  <jon@beniston.com>
650
651         PR target/46898
652         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
653         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
654         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
655         (lm32_block_move_inline): Add type cast to remove warning.
656         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
657         (gen_int_relational): Move declarations to start of function.
658
659 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
660
661         PR tree-optimization/45470
662         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
663         can throw internally only.
664         * tree-vect-stmts.c (vectorizable_call): Likewise.
665
666 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
667
668         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
669         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
670         * config/stormy16/stormy16-protos.h
671         (xstormy16_preferred_reload_class): Remove.
672         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
673         static. Change 'rclass' argument and return type to reg_class_t.
674         (TARGET_PREFERRED_RELOAD_CLASS,
675         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
676
677 2011-02-24  Richard Guenther  <rguenther@suse.de>
678
679         * lto-streamer-in.c (input_bb): Do not find referenced vars
680         in debug statements.
681
682 2011-02-23  Jason Merrill  <jason@redhat.com>
683
684         * common.opt (fabi-version): Document v5 and v6.
685
686 2011-02-23  Richard Guenther  <rguenther@suse.de>
687
688         PR tree-optimization/47849
689         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
690
691 2011-02-23  Jie Zhang  <jie@codesourcery.com>
692
693         * opts-common.c (decode_cmdline_option): Print empty string
694         argument as "" in decoded->orig_option_with_args_text.
695         * gcc.c (execute): Print empty string argument as ""
696         in the verbose output.
697         (do_spec_1): Keep empty string argument.
698
699 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
700
701         * config.gcc: Declare score-* and crx-* obsolete.
702
703 2011-02-23  Jie Zhang  <jie@codesourcery.com>
704
705         PR rtl-optimization/47763
706         * web.c (web_main): Ignore naked clobber when replacing register.
707
708 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
709
710         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
711         Remove.
712
713 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
714
715         PR doc/47848
716         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
717
718 2011-02-22  Mike Stump  <mikestump@comcast.net>
719
720         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
721         assembler.
722         * configure: Regenerate.
723
724 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
725
726         PR rtl-optimization/46002
727         * ira-color.c (update_copy_costs): Change class intersection
728         test to reg_class_contents[] test of 'hard_regno'.
729
730 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
731
732         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
733         than Driver option.
734         * config/hpux11.opt (mt): Likewise.
735         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
736         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
737         * config/vax/elf.opt (mno-asm-pic): Likewise.
738         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
739
740 2011-02-21  Mike Stump  <mikestump@comcast.net>
741
742         PR target/47822
743         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
744         tree so we can get save the type.
745         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
746         for CFString instead of trying to use past the end of the builtins.
747         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
748         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
749         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
750         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
751         Rename to darwin_builtin_cfstring.
752         (darwin_init_cfstring_builtins): Return the built type.
753
754 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
755
756         PR target/47840
757         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
758         (_mm256_insert_epi64): Use _mm_insert_epi64.
759
760 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
761
762         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
763         * config/stormy16/stormy16-protos.h
764         (xstormy16_mode_dependent_address_p): Remove.
765         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
766         Make static. Change return type to bool. Change argument type to
767         const_rtx. Remove dead code.
768         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
769
770 2011-02-21  Richard Guenther  <rguenther@suse.de>
771
772         PR lto/47820
773         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
774         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
775         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
776         TUs context.
777         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
778         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
779
780 2011-02-20  Richard Guenther  <rguenther@suse.de>
781
782         PR lto/47822
783         * tree.c (free_lang_data_in_decl): Clean builtins from
784         the TU decl BLOCK_VARS.
785
786 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
787
788         PR debug/47620
789         PR debug/47630
790         * haifa-sched.c (fix_tick_ready): Skip tick computation
791         for debug insns.
792
793 2011-02-19  Richard Guenther  <rguenther@suse.de>
794
795         PR lto/47647
796         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
797         Remove lazy BLOCK_VARS streaming.
798         (lto_input_ts_block_tree_pointers): Likewise.
799         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
800
801 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
802
803         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
804
805 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
806
807         * config/i386/biarch32.h, config/i386/mach.h,
808         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
809
810 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
811
812         PR target/47800
813         * config/i386/i386.md (peephole2 for shift and plus): Use
814         operands[1] original mode in the first insn.
815
816 2011-02-18  Mike Stump  <mikestump@comcast.net>
817
818         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
819
820 2011-02-18  Jan Hubicka  <jh@suse.cz>
821
822         PR middle-end/47788
823         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
824         to zero when the function is not inlinable at all.
825
826 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
827
828         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
829         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
830         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
831         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
832         * config/pa/t-pa64: Likewise.
833         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
834
835 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
836
837         PR driver/47787
838         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
839
840 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
841
842         PR target/47792
843         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
844
845 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
846
847         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
848         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
849         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
850         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
851         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
852         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
853         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
854         m32r_load_postinc_p, m32r_store_preinc_predec_p,
855         m32r_legitimate_address_p): New functions.
856         * config/m32r/constraints.md (constraint "S"): Don't use
857         STORE_PREINC_PREDEC_P.
858         (constraint "U"): Don't use LOAD_POSTINC_P.
859
860 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
861
862         PR rtl-optimization/46178
863         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
864         compute ira_hard_regno_cover_class[].
865
866 2011-02-18  Richard Guenther  <rguenther@suse.de>
867
868         PR lto/47798
869         * lto-streamer.h (lto_global_var_decls): Declare.
870         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
871         statics for global var processing.
872
873 2011-02-18  Richard Guenther  <rguenther@suse.de>
874
875         PR tree-optimization/47737
876         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
877         edge dominance check.
878
879 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
880
881         PR debug/47780
882         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
883         avoid invalid rtx sharing.
884
885 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
886
887         * doc/cpp.texi (Obsolete Features): Add background on the
888         origin of assertions.
889
890 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
891
892         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
893         objc_abi == 2.
894         * config/darwin.c (output_objc_section_asm_op): Added support for
895         ABI v1 and v2.
896         (is_objc_metadata): New.
897         (darwin_objc2_section): New.
898         (darwin_objc1_section): New.
899         (machopic_select_section): Added support for ABI v1 and v2.
900         (darwin_emit_objc_zeroed): New.
901         (darwin_output_aligned_bss): Detect objc metadata and treat it
902         appropriately.
903         (darwin_asm_output_aligned_decl_common): Same.
904         (darwin_asm_output_aligned_decl_local): Same.
905         * config/darwin-sections.def: Updated for ABI v1 and v2.
906         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
907         compiling Objective-C code for the NeXT runtime, default to using
908         ABI version 0 for 32-bit, and version 2 for 64-bit.
909
910 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
911
912         * common.opt (optimize_fast): New Variable.
913         * opts.c (default_options_optimization): Use opts->x_optimize_fast
914         instead of local variable ofast.
915
916 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
917
918         * doc/invoke.texi (fobjc-abi-version): Documented.
919         (fobjc-nilcheck): Documented.
920         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
921         version.
922
923 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
924
925         PR driver/47390
926         * common.opt (export-dynamic): New Driver option.
927         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
928
929 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
930
931         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
932
933 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
934             Jan Hubicka  <jh@suse.cz>
935
936         PR debug/47106
937         PR debug/47402
938         * cfgexpand.c (account_used_vars_for_block): Remove.
939         (estimated_stack_frame_size): Use referenced vars.
940         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
941         that were referenced in the original function.  Test src_fn
942         rather than cfun.  Drop redundant get_var_ann.
943         (setup_one_parameter): Drop redundant get_var_ann.
944         (declare_return_variable): Likewise.
945         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
946         (copy_arguments_for_versioning): Drop redundant get_var_ann.
947         * ipa-inline.c (compute_inline_parameters): Do not compute
948         disregard_inline_limits here.
949         (compute_inlinable_for_current, pass_inlinable): New.
950         (pass_inline_parameters): Require PROP_referenced_vars.
951         * cgraphunit.c (cgraph_process_new_functions): Don't run
952         compute_inline_parameters explicitly unless function is in SSA form.
953         (cgraph_analyze_function): Set .disregard_inline_limits.
954         * tree-sra.c (convert_callers): Compute inliner parameters
955         only for functions already in SSA form.
956
957 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
958
959         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
960         -mlittle-endian-data.
961
962 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
963
964         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
965         -mno-fpu, not -fpu and -no-fpu.
966         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
967         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
968
969 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
970
971         PR target/43653
972         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
973         input reload with PLUS RTX.
974
975 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
976
977         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
978         of InverseVar(MDMX).
979
980 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
981
982         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
983         --m4-340.
984
985 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
986
987         * config/mn10300/mn10300.opt (mno-crt0): New.
988
989 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
990
991         * config/m68k/uclinux.opt (static-libc): New Driver option.
992
993 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
994
995         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
996
997 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
998
999         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
1000         %{muser-extend-enabled}.
1001
1002 2011-02-16  Richard Guenther  <rguenther@suse.de>
1003
1004         PR tree-optimization/47738
1005         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
1006         the TODO from tree_predictive_commoning.
1007
1008 2011-02-15  Jeff Law  <law@redhat.com>
1009
1010         Revert
1011         2011-01-25  Jeff Law  <law@redhat.com>
1012
1013         PR rtl-optimization/37273
1014         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1015         handle them like argument loads from stack slots.  Do not double
1016         count memory for memory constants and argument loads from stack slots.
1017
1018 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1019
1020         PR middle-end/47725
1021         * combine.c (cant_combine_insn_p): Revert the last change.
1022
1023 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1024
1025         PR target/47755
1026         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1027         mode for vector constants.  Remove code that checks for TImode.
1028
1029 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1030
1031         PR debug/47106
1032         PR debug/47402
1033         * cgraph.h (compute_inline_parameters): Return void.
1034         * ipa-inline.c (compute_inline_parameters): Adjust.
1035
1036 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1037
1038         PR debug/47106
1039         PR debug/47402
1040         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1041         rather than decl.
1042         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1043         * ipa-inline.c (compute_inline_parameters): Adjust.
1044
1045 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1046
1047         PR debug/47106
1048         PR debug/47402
1049         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1050         Adjust all users.  Pass FN to...
1051         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1052         fn argument.
1053         * ipa-struct-reorg.c: Adjust.
1054         * tree-dfa.c: Adjust.
1055         * tree-into-ssa.c: Adjust.
1056         * tree-sra.c: Adjust.
1057         * tree-ssa-alias.c: Adjust.
1058         * tree-ssa-live.c: Adjust.
1059         * tree-ssa.c: Adjust.
1060         * tree-ssanames.c: Adjust.
1061         * tree-tailcall.c: Adjust.
1062
1063 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1064
1065         PR debug/47106
1066         PR debug/47402
1067         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1068         Adjust all callers.
1069         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1070         * tree-flow-inline.h: Adjust.
1071         * gimple-pretty-print.c: Adjust.
1072         * tree-into-ssa.c: Adjust.
1073         * tree-ssa.c: Adjust.
1074         * cfgexpand.c: Adjust.
1075
1076 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1077
1078         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1079         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1080         (EXTRA_CONSTRAINT): Delete.
1081         * config/iq2000/constraints.md: New file.
1082         * config/iq2000/iq2000.md: Include it.
1083         (define_insn ""): Delete.
1084         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1085         unsupported constraint letters from patterns.
1086         (call_value, call_value_internal1): Likewise.
1087         (call_value_multiple_internal1): Likewise.
1088
1089 2011-02-15  Nick Clifton  <nickc@redhat.com>
1090
1091         * config/mn10300/mn10300.c: Include tm-constrs.h.
1092         (struct liw_data): New data structure describing an LIW candidate
1093         instruction.
1094         (extract_bundle): Use struct liw_data.  Allow small integer
1095         operands for some instructions.
1096         (check_liw_constraints): Use struct liw_data.  Remove swapped
1097         parameter.  Add comments describing the checks.  Fix bug when
1098         assigning the source of liw1 to the source of liw2.
1099         (liw_candidate): Delete.  Code moved into extract_bundle.
1100         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1101         before swapping.
1102         * config/mn10300/predicates.md (liw_operand): New predicate.
1103         Allows registers and small integer constants.
1104         * config/mn10300/constraints.md (O): New constraint.  Accetps
1105         integers in the range -8 to +7 inclusive.
1106         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1107         for moving a small integer into a register.  Give this alternative
1108         LIW attributes.
1109         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1110         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1111         using the J,K,L and M constraints,
1112         (liw): Remove SI mode on second operands to allow for HI and QI
1113         mode values.
1114         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1115         instruction.
1116
1117 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1118
1119         PR middle-end/47725
1120         * combine.c (cant_combine_insn_p): Check zero/sign extended
1121         hard registers.
1122
1123 2011-02-15  Richard Guenther  <rguenther@suse.de>
1124
1125         PR tree-optimization/47743
1126         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1127         for a non-type-compatible VN lookup bail out.
1128
1129 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1130
1131         * config/fr30/constraints.md: New file.
1132         * config/fr30/fr30.md: Include it.
1133         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1134         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1135         (EXTRA_CONSTRAINT): Delete.
1136
1137 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1138
1139         * config/frv/constraints.md: New file.
1140         * config/frv/predicates.md: Include it.
1141         * config/frv/frv.c (reg_class_from_letter): Delete.
1142         (frv_option_override): Don't initialize it.
1143         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1144         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1145         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1146         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1147         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1148         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1149         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1150         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1151         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1152         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1153         (REG_CLASS_FROM_CONSTRAINT): Delete.
1154
1155 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1156
1157         PR middle-end/47581
1158         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1159         if frame size is 0 in a leaf function.
1160
1161 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1162
1163         PR pch/14940
1164         * config/alpha/host-osf.c: New file.
1165         * config/alpha/x-osf: New file.
1166         * config.host (alpha*-dec-osf*): Use it.
1167
1168 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1169
1170         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1171         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1172         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1173         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1174         type to const_rtx.
1175         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1176
1177 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1178
1179         * config/stormy16/constraints.md: New file.
1180         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1181         Use satisfies_constraint_Q and satisfies_constraint_R.
1182         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1183         Delete.
1184         (xstormy16_legitiamte_address_p): Declare.
1185         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1186         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1187         (EXTRA_CONSTRAINT): Delete.
1188         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1189         Un-staticize.
1190         (xstormy16_extra_constraint_p): Delete.
1191
1192 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         PR tree-optimization/46494
1195         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1196         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1197         (pass_rtl_loop_done): Add TODO_verify_flow.
1198         * fwprop.c (pass_rtl_fwprop): Likewise.
1199         * modulo-sched.c (pass_sms): Likewise.
1200         * tree-ssa-dom.c (pass_dominator): Likewise.
1201         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1202         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1203         (pass_tree_loop_done): Likewise.
1204         * tree-ssa-pre.c (execute_pre): Likewise.
1205         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1206         * tree-ssa-sink.c (pass_sink_code): Likewise.
1207         * tree-vrp.c (pass_vrp): Likewise.
1208
1209 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1210
1211         * config/v850/constraints.md: New file.
1212         * config/v850/v850.md: Include it.
1213         * config/v850/predicates.md (reg_or_0_operand): Use
1214         satisfies_constraint_G.
1215         (special_symbolref_operand): Use satisfies_constraint_K.
1216         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1217         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1218         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1219         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1220         (EXTRA_CONSTRAINT): Delete.
1221         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1222         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1223         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1224
1225 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1226
1227         PR target/47696
1228         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1229         description.
1230
1231 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1232
1233         * config/mcore/constraints.md: New file.
1234         * config/mcore/mcore.md: Include it.
1235         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1236         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1237         (REG_CLASS_FROM_LETTER): Delete.
1238         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1239         insn_const_int_ok_for_constraint.
1240         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1241         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1242         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1243         (EXTRA_CONSTRAINT): Delete.
1244
1245 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1246
1247         PR ada/41929
1248         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1249         (IS_SIGHANDLER): Define.
1250         (sparc64_is_sighandler): New function, split off from
1251         sparc64_fallback_frame_state.
1252         (sparc_is_sighandler): New function, split off from
1253         sparc_fallback_frame_state.
1254         (sparc64_fallback_frame_state): Merge with ...
1255         (sparc_fallback_frame_state): ... this into ...
1256         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1257         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1258         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1259         stack instead of hardcoded offsets.
1260
1261 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1262
1263         PR target/45808
1264         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1265
1266 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1267
1268         * configure: Regenerate.
1269
1270 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1271
1272         PR driver/45731
1273         * gcc.c (asm_options): Correct spec matching --target-help.
1274
1275 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1276
1277         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1278         to gimple call error.
1279
1280 2011-02-12  Mike Stump  <mikestump@comcast.net>
1281
1282         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1283         comments in backslash regions.
1284
1285 2011-02-12  Mike Stump  <mikestump@comcast.net>
1286             Jakub Jelinek  <jakub@redhat.com>
1287             Iain Sandoe  <iains@gcc.gnu.org>
1288
1289         PR target/47324
1290         * dwarf2out.c (output_cfa_loc): When required, apply the
1291         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1292         (output_loc_sequence): Likewise.
1293         (output_loc_operands_raw): Likewise.
1294         (output_loc_sequence_raw): Likewise.
1295         (output_cfa_loc): Likewise.
1296         (output_loc_list): Suppress register number adjustment when
1297         calling output_loc_sequence()
1298         (output_die): Likewise.
1299
1300 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1301
1302         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1303         Remove macros.
1304         * config/xtensa/xtensa.c (xtensa_register_move_cost,
1305         xtensa_memory_move_cost): New functions.
1306         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
1307
1308 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
1309
1310         PR lto/47225
1311         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
1312         in the current directory.
1313         * configure: Rebuilt.
1314
1315 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1316
1317         * config/darwin.c (darwin_override_options): Add a hunk missed
1318         from the commit of r168571.  Trim comment line lengths and
1319         correct indents of the preceding block.
1320
1321 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1322
1323         * gcc.c (driver_handle_option): Concatenate the argument to -F with
1324         the switch.
1325
1326 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1327
1328         * common.opt (nostartfiles): New Driver option.
1329
1330 2011-02-11  Xinliang David Li  <davidxl@google.com>
1331
1332         PR tree-optimization/47707
1333         * tree-chrec.c (convert_affine_scev): Keep type precision.
1334
1335 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1336
1337         PR tree-optimization/47420
1338         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
1339
1340 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
1341
1342         PR rtl-optimization/47614
1343         * rtl.h (check_for_inc_dec): Declare.
1344         * dse.c (check_for_inc_dec): Externalize...
1345         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
1346         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
1347
1348 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1349
1350         PR driver/47678
1351         * gcc.c (main): Do not compile inputs if there were errors in
1352         option handling.
1353         * opts-common.c (read_cmdline_option): Check for wrong language
1354         after other error checks.
1355
1356 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1357
1358         * cgraph.c: Fix comment typos.
1359         * cgraph.h: Likewise.
1360         * cgraphunit.c: Likewise.
1361         * ipa-cp.c: Likewise.
1362         * ipa-inline.c: Likewise.
1363         * ipa-prop.c: Likewise.
1364         * ipa-pure-const.c: Likewise.
1365         * ipa-ref.c: Likewise.
1366         * ipa-reference.c: Likewise.
1367
1368 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1369
1370         PR debug/47684
1371         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1372
1373 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1374
1375         PR testsuite/47400
1376         * doc/sourcebuild.texi (Require Support): Document
1377         dg-require-ascii-locale.
1378
1379 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1380
1381         * doc/lto.texi (Write summary): Fix missing parentheses.
1382
1383 2011-02-10  DJ Delorie  <dj@redhat.com>
1384
1385         * config/m32c/m32c.c (m32c_option_override): Disable
1386         -fcombine-stack-adjustments until flag value tracking and compare
1387         optimization can be rewritten.
1388
1389 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1390
1391         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1392         PROCESSOR_POWER7.
1393         (PROCESSOR_DEFAULT64): Likewise.
1394
1395 2011-02-10  Richard Henderson  <rth@redhat.com>
1396
1397         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1398         change from 2011-02-03.
1399         * config/rx/rx.c (flags_from_code): Likewise.
1400         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1401         is valid, n/pz otherwise.
1402         (rx_select_cc_mode): Return CCmode if Y is not zero.
1403
1404 2011-02-10  Richard Guenther  <rguenther@suse.de>
1405
1406         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1407
1408 2011-02-10  Richard Guenther  <rguenther@suse.de>
1409
1410         PR tree-optimization/47677
1411         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1412
1413 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1414
1415         PR target/47665
1416         * combine.c (make_compound_operation): Only change shifts into
1417         multiplication for SCALAR_INT_MODE_P.
1418
1419 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1420
1421         PR testsuite/47622
1422         Revert
1423         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1424         PR debug/42631
1425         * web.c (entry_register): Don't clobber the number of the
1426         first uninitialized reference in used[].
1427
1428 2011-02-09  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/47664
1431         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1432         all edges again.
1433
1434 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1435
1436         PR target/46481
1437         PR target/47032
1438         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1439         PROCESSOR_POWER7.
1440         (PROCESSOR_DEFAULT64): Same.
1441         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1442
1443 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1444
1445         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1446
1447 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1448
1449         PR middle-end/45505
1450         * tree-sra.c (struct access): New flags grp_scalar_read and
1451         grp_scalar_write.  Changed description of assignment read and write
1452         flags.
1453         (dump_access): Dump new flags, reorder all of them.
1454         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1455         to detect multiple scalar reads.
1456         (analyze_access_subtree): Use the new scalar read write flags instead
1457         of the old flags.  Adjusted comments.
1458
1459 2011-02-08  DJ Delorie  <dj@redhat.com>
1460
1461         PR target/47548
1462         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1463         patterns.
1464
1465 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1466
1467         * config/m68k/uclinux.opt: New.
1468         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1469
1470 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1471
1472         * config/cris/elf.opt (sim): New Driver option.
1473
1474 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1475
1476         * config/xtensa/elf.opt: New.
1477         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1478
1479 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1480
1481         * config/vax/elf.opt: New.
1482         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1483
1484 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1485
1486         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1487
1488 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1489
1490         * config/gnu-user.opt: New.
1491         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1492         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1493         *-*-uclinux*): Use gnu-user.opt.
1494
1495 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1496
1497         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1498         * config/i386/gnu.h (CPP_SPEC): Likewise.
1499
1500 2011-02-08  Ian Lance Taylor  <iant@google.com>
1501
1502         * common.opt (fcx-limited-range): Add SetByCombined flag.
1503         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1504         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1505         (fassociative-math, freciprocal-math): Likewise.
1506         (funsafe-math-optimizations): Likewise.
1507         * opth-gen.awk: Handle SetByCombined.
1508         * optc-gen.awk: Likewise.
1509         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1510         (set_unsafe_math_optimizations_flags): Likewise.
1511         * doc/options.texi (Option properties): Document SetByCombined.
1512
1513 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1514
1515         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1516         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1517         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1518         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1519         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1520
1521 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1522
1523         PR tree-optimization/46834
1524         PR tree-optimization/46994
1525         PR tree-optimization/46995
1526         * graphite-sese-to-poly.c (used_outside_reduction): New.
1527         (detect_commutative_reduction): Call used_outside_reduction.
1528         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1529         translate_scalar_reduction_to_array only when at least one
1530         loop-phi/close-phi tuple has been detected.
1531
1532 2011-02-08  Richard Guenther  <rguenther@suse.de>
1533
1534         PR middle-end/47639
1535         * tree-vect-generic.c (expand_vector_operations_1): Update
1536         stmts here ...
1537         (expand_vector_operations): ... not here.  Cleanup EH info
1538         and the CFG if required.
1539
1540 2011-02-08  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/47641
1543         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1544         require type compatibility.
1545
1546 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1547
1548         * gimple-low.c (lower_function_body): Don't remove the location of
1549         the return statement here.
1550         (lower_gimple_return): Do it here instead but only if the return
1551         statement is actually used twice.
1552
1553 2011-02-08  Richard Guenther  <rguenther@suse.de>
1554
1555         PR tree-optimization/47632
1556         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1557         unused up_to_stmt parameter, return whether cfg-cleanup is
1558         necessary, remove EH info properly.
1559         (forward_propagate_into_gimple_cond): Adjust caller.
1560         (forward_propagate_into_cond): Likewise.
1561         (forward_propagate_comparison): Likewise.
1562         (tree_ssa_forward_propagate_single_use_vars): Make
1563         forward_propagate_comparison case similar to the two others.
1564
1565 2011-02-08  Nick Clifton  <nickc@redhat.com>
1566
1567         * config/mn10300/mn10300.opt (mliw): New command line option.
1568         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1569         (liw_bundling): New automaton.
1570         (liw): New attribute.
1571         (liw_op): New attribute.
1572         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1573         (movsi_internal): Add LIW attributes.
1574         (andsi3): Likewise.
1575         (iorsi3): Likewise.
1576         (xorsi3): Likewise.
1577         (addsi3): Separate register and immediate alternatives.
1578         Add LIW attributes.
1579         (subsi3): Likewise.
1580         (cmpsi): Likewise.
1581         (aslsi3): Likewise.
1582         (lshrsi3): Likewise.
1583         (ashrsi3): Likewise.
1584         (liw): New pattern.
1585         * config/mn10300/mn10300.c (liw_op_names): New
1586         (mn10300_print_operand): Handle 'W' operand descriptor.
1587         (extract_bundle): New function.
1588         (check_liw_constraints): New function.
1589         (liw_candidate): New function.
1590         (mn10300_bundle_liw): New function.
1591         (mn10300_reorg): New function.
1592         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1593         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1594         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1595         __LIW__ or __NO_LIW__.
1596         * doc/invoke.texi: Describe the -mliw command line option.
1597
1598 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1599
1600         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1601         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1602         pthread_mutex_unlock): Remove.
1603         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1604         * config/pa/t-pa64: Likewise.
1605         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1606         shared libc if not linking against libpthread.
1607         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1608
1609 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1610
1611         PR target/47558
1612         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1613         on 10.6 and later to ensure that we always use the unwinder from
1614         the system.  Only add -no_compact_unwind when tarteting darwin
1615         10.6 or later.
1616
1617 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1618
1619         PR target/46997
1620         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1621         (vec_interleave_lowv2sf): Ditto.
1622         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1623         (vec_extract_oddv2sf): Ditto.
1624
1625 2011-02-07  Mike Stump  <mikestump@comcast.net>
1626
1627         PR target/42333
1628         Add __ieee_divdc3 entry point.
1629         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1630         entry point.
1631         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1632         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1633         * config/darwin.c (darwin_rename_builtins): Add.
1634         * config/darwin-protos.h (darwin_rename_builtins): Add.
1635
1636 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1637
1638         PR target/47636
1639         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1640         for the condition.
1641
1642 2011-02-07  Mike Stump  <mikestump@comcast.net>
1643
1644         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1645
1646 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1647
1648         PR target/47534
1649         * config/avr/libgcc.S (exit): Move .endfunc
1650
1651 2011-02-07  Richard Guenther  <rguenther@suse.de>
1652
1653         PR tree-optimization/47615
1654         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1655         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1656         (run_scc_vn): Initialize it.
1657         (visit_reference_op_load): Use it.
1658         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1659
1660 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1661
1662         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1663         DImode trapping arithmetic libfuncs.
1664
1665 2011-02-07  Richard Guenther  <rguenther@suse.de>
1666
1667         PR tree-optimization/47621
1668         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1669         two duplicates ...
1670         (execute_update_addresses_taken): ... here.  Make it more
1671         conservative in what we accept.
1672
1673 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1674
1675         * config/sparc/freebsd.h (ASM_SPEC): Define.
1676         * config/sparc/vxworks.h (ASM_SPEC): Define.
1677
1678 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1679
1680         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1681
1682 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1683
1684         * doc/invoke.texi: Remove reference to compiler internals from
1685         user documentation.
1686
1687         * reg-notes.def: Remove REG_VALUE_PROFILE.
1688         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1689
1690 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR middle-end/47610
1693         * varasm.c (default_section_type_flags): If decl is NULL,
1694         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1695
1696 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1697
1698         PR debug/42631
1699         * web.c (entry_register): Don't clobber the number of the
1700         first uninitialized reference in used[].
1701
1702 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1703
1704         PR tree-optimization/46194
1705         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1706         (build_classic_dist_vector_1): Do not represent classic distance
1707         vectors when the access functions are variating in different loops.
1708
1709 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1710
1711         * config/mips/iris6.opt: New.
1712         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1713
1714 2011-02-04  Richard Henderson  <rth@redhat.com>
1715             Steve Ellcey  <sje@cup.hp.com>
1716
1717         PR target/46997
1718         * config/ia64/predicates.md (mux1_brcst_element): New.
1719         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1720         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1721         (ia64_unpack_sign): New.
1722         (ia64_expand_unpack): Rewrite using new routines.
1723         (ia64_expand_widen_sum): Ditto.
1724         (ia64_expand_dot_prod_v8qi): Ditto.
1725         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1726         routines, add endian check.
1727         (pmpy2_even): Rename from pmpy2_r, add endian check.
1728         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1729         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1730         (vec_widen_smult_hi_v4hi): Ditto.
1731         (vec_widen_umult_lo_v4hi): Ditto.
1732         (vec_widen_umult_hi_v4hi): Ditto.
1733         (mulv2si3): Change endian checks.
1734         (sdot_prodv4hi): Rewrite with new calls.
1735         (udot_prodv4hi): New.
1736         (vec_pack_ssat_v4hi): Add endian check.
1737         (vec_pack_usat_v4hi): Ditto.
1738         (vec_pack_ssat_v2si): Ditto.
1739         (max1_even): Rename from max1_r, add endian check.
1740         (max1_odd): Rename from max1_l, add endian check.
1741         (*mux1_rev): Format change.
1742         (*mux1_mix): Ditto.
1743         (*mux1_shuf): Ditto.
1744         (*mux1_alt): Ditto.
1745         (*mux1_brcst_v8qi): Use new predicate.
1746         (vec_extract_evenv8qi): Remove endian check.
1747         (vec_extract_oddv8qi): Ditto.
1748         (vec_interleave_lowv4hi): Format change.
1749         (vec_interleave_highv4hi): Ditto.
1750         (mix2_even): Rename from mix2_r, add endian check.
1751         (mix2_odd): Rename from mux2_l, add endian check.
1752         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1753         (vec_extract_evenodd_helper): Format change.
1754         (vec_extract_evenv4hi): Remove endian check.
1755         (vec_extract_oddv4hi): Remove endian check.
1756         (vec_interleave_lowv2si): Format change.
1757         (vec_interleave_highv2si): Format change.
1758         (vec_initv2si): Remove endian check.
1759         (vecinit_v2si): Add endian check.
1760         (reduc_splus_v2sf): Add endian check.
1761         (reduc_smax_v2sf): Ditto.
1762         (reduc_smin_v2sf): Ditto.
1763         (vec_initv2sf): Remove endian check.
1764         (fpack): Add endian check.
1765         (fswap): Add endian check.
1766         (vec_interleave_highv2sf): Add endian check.
1767         (vec_interleave_lowv2sf): Add endian check.
1768         (fmix_lr): Add endian check.
1769         (vec_setv2sf): Format change.
1770         (*vec_extractv2sf_0_be): Use shift to extract operand.
1771         (*vec_extractv2sf_1_be): New.
1772         (vec_pack_trunc_v4hi): Add endian check.
1773         (vec_pack_trunc_v2si): Format change.
1774
1775 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR inline-asm/23200
1778         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1779         do bb, locus and block comparison and disallow loads if it is not set.
1780         (stmt_is_replaceable_p): New function.
1781         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1782         callers.
1783         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1784         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1785         SSA_NAME_DEF_STMT.
1786         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1787
1788 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1789
1790         * config/rs6000/xilinx.opt: New.
1791         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1792
1793 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1794
1795         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1796
1797 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1798
1799         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1800         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1801         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1802         secondary_reload_info, xtensa_secondary_reload): Remove.
1803         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1804         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1805         (xtensa_preferred_reload_class): Make static. Change return and
1806         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1807         Use CONST_DOUBLE_P predicate.
1808         (xtensa_preferred_output_reload_class): New function.
1809         (xtensa_secondary_reload): Make static.
1810
1811 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1812
1813         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1814         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1815         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1816
1817 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1818
1819         PR middle-end/31490
1820         * output.h (SECTION_RELRO): Define.
1821         (SECTION_MACH_DEP): Adjust.
1822         (get_variable_section): New prototype.
1823         * varpool.c (varpool_finalize_named_section_flags): New function.
1824         (varpool_assemble_pending_decls): Call it.
1825         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1826         * cgraphunit.c (cgraph_output_in_order): Call
1827         varpool_finalize_named_section_flags.
1828         * varasm.c (get_section): Allow section flags conflicts between
1829         relro and read-only sections if the section hasn't been declared yet.
1830         Set SECTION_OVERRIDE after diagnosing section type conflict.
1831         (get_variable_section): No longer static.
1832         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1833         readonly sections that need relocations.
1834         (decl_readonly_section_1): New function.
1835         (decl_readonly_section): Use it.
1836
1837         Revert:
1838         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1839                     Steve Ellcey  <sje@cup.hp.com>
1840
1841         PR middle-end/31490
1842         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1843         if section attribute used.
1844
1845 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1846
1847         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1848         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1849         (darwin_init_sections): Remove assertion.
1850
1851 2011-02-03  Nick Clifton  <nickc@redhat.com>
1852
1853         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1854         lt and ge.
1855         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1856         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1857         instead of "n" and "pz".
1858         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1859         CC_FLAG_S.
1860
1861 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1862
1863         PR target/47312
1864         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1865         fma, expand FMA_EXPR as fma{,f,l} call.
1866
1867         PR lto/47274
1868         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1869         copy them into a unsigned char variable and pass address of it to
1870         lto_output_data_stream.
1871
1872         PR target/47564
1873         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1874         around backend_init_target and lang_dependent_init_target calls.
1875         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1876         (verify_cgraph_node): Don't call set_cfun here.  Use
1877         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1878         Set error_found for incorrectly represented calls to thunks.
1879
1880 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1881
1882         PR debug/43092
1883         PR rtl-optimization/43494
1884         * rtl.h (for_each_inc_dec_fn): New type.
1885         (for_each_inc_dec): Declare.
1886         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1887         (for_each_inc_dec_find_inc_dec): New fn.
1888         (for_each_inc_dec_find_mem): New fn.
1889         (for_each_inc_dec): New fn.
1890         * dse.c (struct insn_size): Remove.
1891         (replace_inc_dec, replace_inc_dec_mem): Remove.
1892         (emit_inc_dec_insn_before): New fn.
1893         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1894         (canon_address): Pass mem modes to cselib_lookup.
1895         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1896         (cselib_lookup_from_insn): Likewise.
1897         (cselib_subst_to_values): Likewise.
1898         * cselib.c (find_slot_memmode): New var.
1899         (cselib_find_slot): New fn.  Use it instead of
1900         htab_find_slot_with_hash everywhere.
1901         (entry_and_rtx_equal_p): Use find_slot_memmode.
1902         (autoinc_split): New fn.
1903         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1904         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1905         Deal with autoinc.  Special-case recursion into MEMs.
1906         (cselib_hash_rtx): Likewise.
1907         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1908         address and MEM modes.
1909         (cselib_subst_to_values): Add memmode, pass it on.
1910         Deal with autoinc.
1911         (cselib_lookup): Add memmode argument, pass it on.
1912         (cselib_lookup_from_insn): Add memmode.
1913         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1914         (struct cselib_record_autoinc_data): New.
1915         (cselib_record_autoinc_cb): New fn.
1916         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1917         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1918         (cselib_process_insn): ... here.
1919         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1920         to cselib_lookup.
1921         (add_uses): Likewise, also to cselib_subst_to_values.
1922         (add_stores): Likewise.
1923         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1924         cselib_subst_to_values.
1925         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1926         * gcse.c (do_local_cprop): Adjusted.
1927         * postreload.c (reload_cse_simplify_set): Adjusted.
1928         (reload_cse_simplify_operands): Adjusted.
1929         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1930
1931 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1932
1933         PR tree-optimization/45122
1934         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1935         unsafe assumptions when there's more than one loop exit.
1936
1937 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1938
1939         PR target/47272
1940         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1941         Document using vector double with the load/store builtins, and
1942         that the load/store builtins always use Altivec instructions.
1943
1944         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1945         to use altivec memory instructions, even on VSX.
1946         (vector_altivec_store_<mode>): Ditto.
1947
1948         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1949         function.
1950
1951         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1952         V2DF, V2DI support to load/store overloaded builtins.
1953
1954         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1955         altivec load/store builtins for V2DF/V2DI types.
1956
1957         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1958         set avoid indexed addresses on power6 if -maltivec.
1959         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1960         vector_altivec_load/vector_altivec_store builtins.
1961         (altivec_expand_st_builtin): Ditto.
1962         (altivec_expand_builtin): Add VSX memory builtins.
1963         (rs6000_init_builtins): Add V2DI types to internal types.
1964         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1965         load/store builtins.
1966         (rs6000_address_for_altivec): Insure memory address is appropriate
1967         for Altivec.
1968
1969         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1970         vec_vsx_ld and vec_vsx_st.
1971         (vsx_store_<mode>): Ditto.
1972
1973         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1974         variables to hold long long types for VSX vector memory builtins.
1975         (RS6000_BTI_unsigned_long_long): Ditto.
1976         (long_long_integer_type_internal_node): Ditti.
1977         (long_long_unsigned_type_internal_node): Ditti.
1978
1979         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1980         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1981         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1982
1983         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1984         short cuts.
1985         (vec_vsx_st): Ditto.
1986
1987 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1988
1989         * config/pa/pa-hpux10.opt: New.
1990         * config/hpux11.opt (pthread): New Driver option.
1991         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1992         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1993
1994 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1995
1996         * config/ia64/vms.opt: New.
1997         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1998
1999 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2000
2001         PR target/47580
2002         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
2003         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
2004         generator functions.
2005         (vsx_floatuns<VSi><mode>2): Ditto.
2006         (vsx_fix_trunc<mode><VSi>2): Ditto.
2007         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
2008
2009 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2010
2011         * config/i386/djgpp.opt (posix): New Driver option.
2012
2013 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2014
2015         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
2016         Move to the unsupported targets list.
2017
2018 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
2019
2020         PR rtl-optimization/47525
2021         * df-scan.c: Update copyright years.
2022         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
2023         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2024
2025 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2026
2027         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2028         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2029         (ASM_OUTPUT_ASCII): Remove.
2030         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2031
2032 2011-02-02  Jeff Law  <law@redhat.com>
2033
2034         PR middle-end/47543
2035         * reload.c (find_reloads_address): Handle reg+d address where both
2036         components are invalid by reloading the entire address.
2037
2038 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2039             Richard Guenther  <rguenther@suse.de>
2040
2041         PR tree-optimization/40979
2042         PR bootstrap/47044
2043         * passes.c (init_optimization_passes): After LIM call copy_prop
2044         and DCE to clean up.
2045         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2046
2047 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2048
2049         PR tree-optimization/47576
2050         PR tree-optimization/47555
2051         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2052         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2053         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2054         * tree-scalar-evolution.c (follow_ssa_edge): Use
2055         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2056
2057 2011-02-02  Richard Guenther  <rguenther@suse.de>
2058
2059         PR tree-optimization/47566
2060         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2061
2062 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2063
2064         PR debug/47106
2065         PR debug/47402
2066         * tree-inline.c (declare_return_variable): Remove unused caller
2067         variable.
2068
2069         PR debug/47106
2070         PR debug/47402
2071         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2072         * cfgexpand.c (account_used_vars_for_block): Use them.
2073         * tree-nrv.c (tree_nrv): Likewise.
2074         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2075         (dump_scope_block): Likewise.
2076         (remove_unused_locals): Likewise.
2077
2078         PR debug/47106
2079         PR debug/47402
2080         * tree-inline.c (declare_return_variable): Add result decl to
2081         local decls only once.
2082         * gimple-low.c (record_vars_into): Mark newly-created variables
2083         as referenced.
2084
2085 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2086
2087         PR debug/47498
2088         PR debug/47501
2089         PR debug/45136
2090         PR debug/45130
2091         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2092         debug insns.
2093         (no_real_insns_p, schedule_block, set_priorities): Drop special
2094         treatment of boundary debug insns.
2095         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2096         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2097         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2098         (BOUNDARY_DEBUG_INSN_P): Likewise.
2099         (SCHEDULE_DEBUG_INSN_P): Likewise.
2100         * sched-rgn.c (init_ready_list): Drop special treatment of
2101         boundary debug insns.
2102         * final.c (rest_of_clean_state): Clear notes' BB.
2103
2104 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2105
2106         * config/openbsd.opt (assert=): New Driver option.
2107
2108 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2109
2110         * config/i386/nto.opt: New.
2111         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2112
2113 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2114
2115         * config/i386/netware.opt: New.
2116         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2117
2118 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2119
2120         * config/interix.opt (posix): New Driver option.
2121
2122 2011-02-01  DJ Delorie  <dj@redhat.com>
2123
2124         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2125
2126         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2127         class for A0/A1.
2128
2129 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2130
2131         PR tree-optimization/47561
2132         * toplev.c (process_options): Print the Graphite flags.  Add
2133         flag_loop_flatten to the list of options requiring Graphite.
2134
2135 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2136
2137         * config/i386/cygming.opt (posix): New Driver option.
2138
2139 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2140
2141         * config/arm/vxworks.opt: New.
2142         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2143
2144 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2145
2146         * config/alpha/elf.opt: New.
2147         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2148         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2149
2150 2011-02-01  Richard Guenther  <rguenther@suse.de>
2151
2152         PR tree-optimization/47559
2153         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2154         store-motion on references that can throw.
2155
2156 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2157
2158         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2159         * tree-pass.h (TDF_CSELIB): New macro.
2160         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2161         cselib_lookup): Check for it rather than for TDF_DETAILS.
2162
2163 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2164
2165         PR driver/47547
2166         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2167         is HOST_BIT_BUCKET.
2168
2169         * opts.c (finish_options): Don't add x_aux_base_name if it is
2170         HOST_BIT_BUCKET.
2171
2172 2011-02-01  Richard Guenther  <rguenther@suse.de>
2173
2174         PR tree-optimization/47555
2175         Revert
2176         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2179
2180 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2181
2182         PR gcc/46692
2183         * config/lm32/t-lm32: Add multilib for all CPU options.
2184
2185 2011-02-01  Richard Guenther  <rguenther@suse.de>
2186
2187         PR tree-optimization/47541
2188         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2189         sure to have a field at offset zero.
2190
2191 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2192
2193         * config/arc/arc.opt (EB, EL): New Driver options.
2194
2195 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2196
2197         * config/alpha/osf5.opt: New.
2198         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2199
2200 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2201
2202         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2203
2204 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2207         -floop-interchange.
2208         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2209         is an alias of -floop-interchange and that it requires the
2210         Graphite infrastructure.
2211         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2212         flag_loop_interchange based on the value of flag_tree_loop_linear.
2213
2214 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2215             Richard Guenther  <rguenther@suse.de>
2216
2217         PR tree-optimization/47538
2218         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2219         type instead of r1type, except for comparisons.  For right
2220         shifts and comparisons punt if there are mismatches in
2221         sizetype vs. non-sizetype types.
2222
2223 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2224
2225         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2226         avx_runtime.
2227
2228 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2229
2230         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2231         version number.
2232         * configure: Regenerate.
2233
2234 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2235
2236         * configure.ac (gcc_cv_ld_static_option): Define.
2237         (gcc_cv_ld_dynamic_option): Define.
2238         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2239         instead.
2240         (HAVE_LD_STATIC_DYNAMIC): Update message.
2241         (LD_STATIC_OPTION): Define.
2242         (LD_DYNAMIC_OPTION): Define.
2243         * configure: Regenerate.
2244         * config.in: Regenerate.
2245         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2246         HAVE_LD_STATIC_DYNAMIC]: Use them.
2247
2248 2011-01-31  Nick Clifton  <nickc@redhat.com>
2249
2250         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2251         registers inside interrupt handlers if the handler is not a leaf
2252         function.
2253
2254 2011-01-31  Nick Clifton  <nickc@redhat.com>
2255
2256         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2257         reg_renumber returning an INVALID_REGNUM.
2258
2259 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2260
2261         PR libgcj/44341
2262         * doc/install.texi: Document host options discarded when cross
2263         configuring target libraries.
2264
2265 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2266
2267         Reverted:
2268         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2269         PR debug/45136
2270         PR debug/45130
2271         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2272         debug insns.
2273         (no_real_insns_p, schedule_block, set_priorities): Drop special
2274         treatment of boundary debug insns.
2275         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2276         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2277         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2278         (BOUNDARY_DEBUG_INSN_P): Likewise.
2279         (SCHEDULE_DEBUG_INSN_P): Likewise.
2280         * sched-rgn.c (init_ready_list): Drop special treatment of
2281         boundary debug insns.
2282         * final.c (rest_of_clean-state): Clear notes' BB.
2283
2284 2011-01-31  Alan Modra  <amodra@gmail.com>
2285
2286         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2287         toc relative expressions as we do in print_operand_address.
2288
2289 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2290
2291         * doc/extend.texi: Follow spelling conventions.
2292         * doc/invoke.texi: Fix a typo.
2293
2294 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2295
2296         * config/hpux11.opt: New.
2297         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2298         ia64*-*-hpux*): Use hpux11.opt.
2299
2300 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2301
2302         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
2303         to tmake_file.
2304
2305 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2306
2307         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
2308         support sites.
2309
2310 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2311
2312         * doc/install.texi (Binaries): Remove outdated reference for
2313         Motorola 68HC11/68HC12 downloads.
2314
2315 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2316
2317         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
2318         Drepper's paper.
2319
2320 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
2321
2322         PR bootstrap/47147
2323         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
2324         used by NetBSD.
2325
2326 2011-01-28  Ahmad Sharif  <asharif@google.com>
2327
2328         * value-prof.c (check_counter): Corrected error message.
2329
2330 2011-01-29  Jie Zhang  <jie@codesourcery.com>
2331
2332         * config/arm/arm.c (arm_legitimize_reload_address): New.
2333         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
2334         arm_legitimize_reload_address.
2335         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
2336
2337 2011-01-28  Ian Lance Taylor  <iant@google.com>
2338
2339         * godump.c (go_define): Ignore macros whose definitions include
2340         two adjacent operands.
2341
2342 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2343
2344         PR target/42894
2345         * varasm.c (force_const_mem): Store copy of x in desc->constant
2346         instead of x itself.
2347         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
2348         itself into REG_EQUAL note.
2349
2350 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2351
2352         * config/freebsd.opt (posix, rdynamic): New Driver options.
2353
2354 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2355
2356         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2357         -Bstatic/-Bdynamic.
2358         * configure: Regenerate.
2359
2360 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2361
2362         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2363         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2364
2365 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2366
2367         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2368         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2369         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2370         (s390_preferred_reload_class): Make static. Change return and
2371         'rclass' argument type to reg_class_t.
2372
2373 2011-01-27  Jan Hubicka  <jh@suse.cz>
2374
2375         PR middle-end/46949
2376         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2377         (process_function_and_variable_attributes): Check defined weakrefs.
2378
2379 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2380
2381         PR tree-optimization/47228
2382         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2383         build_ref_for_offset.
2384
2385 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2386
2387         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2388
2389 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2390
2391         PR rtl-optimization/46856
2392         * postreload.c (reload_combine_recognize_const_pattern): Do not
2393         separate cc0 setter and user on cc0 targets.
2394
2395 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2396
2397         PR c/43082
2398         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2399         passed a VOID_TYPE expression, immediately emit an error and
2400         return error_mark_node.
2401
2402 2011-01-26  Jeff Law  <law@redhat.com>
2403
2404         PR rtl-optimization/47464
2405         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2406         rather than may_trap_p as needed.
2407
2408 2011-01-26  DJ Delorie  <dj@redhat.com>
2409
2410         PR rtl-optimization/46878
2411         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2412         setter/user dependency as well.
2413
2414 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2415
2416         PR rtl-optimization/44469
2417         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2418         after removing trivially dead basic blocks.
2419
2420 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2421
2422         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2423         * config/frv/frv.h (LINK_SPEC): Likewise.
2424         * config/i386/netware.h (LINK_SPEC): Likewise.
2425         * config/m68k/linux.h (ASM_SPEC): Likewise.
2426         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2427         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2428         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2429         * config/sparc/linux.h (ASM_SPEC): Likewise.
2430         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2431         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2432
2433 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2434
2435         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2436         * config/frv/frv.h (ASM_SPEC): Likewise.
2437         * config/m68k/linux.h (ASM_SPEC): Likewise.
2438         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2439         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2440         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2441         * config/sparc/linux.h (ASM_SPEC): Likewise.
2442         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2443         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2444
2445 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2446
2447         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2448         * config/frv/frv.h (LINK_SPEC): Likewise.
2449         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2450
2451 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2452
2453         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2454         * config/frv/frv.h (ASM_SPEC): Likewise.
2455         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2456         * config/m68k/linux.h (ASM_SPEC): Likewise.
2457         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2458         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2459         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2460         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2461         * config/sparc/linux.h (ASM_SPEC): Likewise.
2462         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2463         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2464         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2465
2466 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2467
2468         PR target/46997
2469         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2470         (*mux2): Ditto.
2471         (vec_extract_evenodd_help): Ditto.
2472         (vec_extract_evenv4hi): Ditto.
2473         (vec_extract_oddv4hi): Ditto.
2474         (vec_interleave_lowv2si): Ditto.
2475         (vec_interleave_highv2si): Ditto.
2476         (vec_extract_evenv2si): Ditto.
2477         (vec_extract_oddv2si: Ditto.
2478         (vec_pack_trunc_v2si): Ditto.
2479
2480 2011-01-22  Jan Hubicka  <jh@suse.cz>
2481
2482         PR target/47237
2483         * cgraph.h (cgraph_local_info): New field can_change_signature.
2484         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2485         signature can change.
2486         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2487         can change.
2488         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2489         (cgraph_function_versioning): We can not change signature of functions
2490         that don't allow that.
2491         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2492         (lto_input_node): Likewise.
2493         * ipa-inline.c (compute_inline_parameters): Compute
2494         local.can_change_signature.
2495         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2496         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2497         functions that can not change signature.
2498         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2499         init_cumulative_args): Do not use local calling conventions
2500         for functions that can not change signature.
2501
2502 2011-01-22  Jan Hubicka  <jh@suse.cz>
2503
2504         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2505
2506 2011-01-26  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/47190
2509         * cgraphunit.c (process_common_attributes): New function.
2510         (process_function_and_variable_attributes): Use it.
2511
2512 2011-01-26  Richard Guenther  <rguenther@suse.de>
2513
2514         PR lto/47423
2515         * cgraphbuild.c (record_eh_tables): Record reference to personality
2516         function.
2517
2518 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2519
2520         PR debug/45454
2521         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2522         non-debug insns from moving up.
2523
2524 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2525
2526         PR target/40125
2527         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2528         t-dlldir{,-x} fragment for build and add it to tmake_file.
2529         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2530         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2531         * config/i386/t-dlldir: New file.
2532         (SHLIB_DLLDIR): Define.
2533         * config/i386/t-dlldir-x: New file.
2534         (SHLIB_DLLDIR): Define.
2535         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2536         (SHLIB_INSTALL): Use it.
2537
2538 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2539
2540         PR target/47246
2541         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2542         lower bound of the allowed Thumb-2 coprocessor load/store
2543         index range to -256. Add explaining comment.
2544
2545 2011-01-25  Ian Lance Taylor  <iant@google.com>
2546
2547         * godump.c (go_define): Improve lexing of macro expansion to only
2548         accept expressions which match Go spec.
2549
2550 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2551
2552         PR c++/43601
2553         * tree.c (handle_dll_attribute): Handle it.
2554         * doc/extend.texi (@item dllexport): Mention it.
2555         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2556
2557 2011-01-25  Ian Lance Taylor  <iant@google.com>
2558
2559         PR tree-optimization/26854
2560         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2561         (decl_jump_unsafe): Move higher in file, with no other change.
2562         (bind): Set has_jump_unsafe_decl if appropriate.
2563         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2564         (check_earlier_gotos): Likewise.
2565         (c_check_switch_jump_warnings): Likewise.
2566
2567 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2568
2569         * doc/invoke.texi (Warning Options): Add missing hyphen.
2570         (-fprofile-dir): Minor grammatical fixes.
2571         (-fbranch-probabilities): Likewise.
2572
2573 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2574
2575         PR debug/45136
2576         PR debug/45130
2577         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2578         debug insns.
2579         (no_real_insns_p, schedule_block, set_priorities): Drop special
2580         treatment of boundary debug insns.
2581         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2582         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2583         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2584         (BOUNDARY_DEBUG_INSN_P): Likewise.
2585         (SCHEDULE_DEBUG_INSN_P): Likewise.
2586         * sched-rgn.c (init_ready_list): Drop special treatment of
2587         boundary debug insns.
2588         * final.c (rest_of_clean-state): Clear notes' BB.
2589
2590 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * Makefile.in (LAMBDA_H): Removed.
2593         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2594         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2595         lambda-trans.o, and tree-loop-linear.o.
2596         (lto-symtab.o): Remove dependence on LAMBDA_H.
2597         (tree-loop-linear.o): Remove rule.
2598         (lambda-mat.o): Same.
2599         (lambda-trans.o): Same.
2600         (lambda-code.o): Same.
2601         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2602         (tree-vect-slp.o): Same.
2603         * hwint.h (gcd): Moved here.
2604         (least_common_multiple): Same.
2605         * lambda-code.c: Removed.
2606         * lambda-mat.c: Removed.
2607         * lambda-trans.c: Removed.
2608         * lambda.h: Removed.
2609         * tree-loop-linear.c: Removed.
2610         * lto-symtab.c: Do not include lambda.h.
2611         * omega.c (gcd): Removed.
2612         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2613         * tree-data-ref.c (print_lambda_vector): Moved here.
2614         (lambda_vector_copy): Same.
2615         (lambda_matrix_copy): Same.
2616         (lambda_matrix_id): Same.
2617         (lambda_vector_first_nz): Same.
2618         (lambda_matrix_row_add): Same.
2619         (lambda_matrix_row_exchange): Same.
2620         (lambda_vector_mult_const): Same.
2621         (lambda_vector_negate): Same.
2622         (lambda_matrix_row_negate): Same.
2623         (lambda_vector_equal): Same.
2624         (lambda_matrix_right_hermite): Same.
2625         * tree-data-ref.h: Do not include lambda.h.
2626         (lambda_vector): Moved here.
2627         (lambda_matrix): Same.
2628         (dependence_level): Same.
2629         (lambda_transform_legal_p): Removed declaration.
2630         (lambda_collect_parameters): Same.
2631         (lambda_compute_access_matrices): Same.
2632         (lambda_vector_gcd): Same.
2633         (lambda_vector_new): Same.
2634         (lambda_vector_clear): Same.
2635         (lambda_vector_lexico_pos): Same.
2636         (lambda_vector_zerop): Same.
2637         (lambda_matrix_new): Same.
2638         * tree-flow.h (least_common_multiple): Removed declaration.
2639         * tree-parloops.c (lambda_trans_matrix): Moved here.
2640         (LTM_MATRIX): Same.
2641         (LTM_ROWSIZE): Same.
2642         (LTM_COLSIZE): Same.
2643         (LTM_DENOMINATOR): Same.
2644         (lambda_trans_matrix_new): Same.
2645         (lambda_matrix_vector_mult): Same.
2646         (lambda_transform_legal_p): Same.
2647         * tree-pass.h (pass_linear_transform): Removed declaration.
2648         * tree-ssa-loop.c (tree_linear_transform): Removed.
2649         (gate_tree_linear_transform): Removed.
2650         (pass_linear_transform): Removed.
2651         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2652         flag_loop_interchange.
2653
2654 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR tree-optimization/47265
2657         PR tree-optimization/47443
2658         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2659         if name still has some uses.
2660
2661 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2662
2663         PR tree-optimization/47382
2664         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2665         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2666
2667 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2668
2669         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2670         sjlj_except_unwind_info.
2671
2672 2011-01-25  Richard Guenther  <rguenther@suse.de>
2673
2674         PR tree-optimization/47426
2675         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2676         visible functions results escape.
2677
2678 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2679
2680         PR target/45701
2681         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2682         (arm_get_frame_offsets): Use it.
2683
2684 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2685             Jakub Jelinek  <jakub@redhat.com>
2686
2687         PR tree-optimization/47271
2688         * tree-if-conv.c (bb_postdominates_preds): New.
2689         (if_convertible_bb_p): Call bb_postdominates_preds.
2690         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2691         (predicate_scalar_phi): Call bb_postdominates_preds.
2692
2693 2011-01-25  Nick Clifton  <nickc@redhat.com>
2694
2695         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2696         * config/rx/rx.c (rx_function_value): Likewise.
2697         (rx_promote_function_mode): Likewise.
2698         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2699         in order to make it legitimate.
2700         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2701         make sure that the first operand is the same as the result register.
2702         (addsi3_unspec): Delete.
2703         (subdi3): Do not accept immediate operands.
2704         (subdi3_internal): Likewise.
2705
2706 2011-01-25  Jeff Law  <law@redhat.com>
2707
2708         PR rtl-optimization/37273
2709         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2710         handle them like argument loads from stack slots.  Do not double
2711         count memory for memory constants and argument loads from stack slots.
2712
2713 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR tree-optimization/47427
2716         PR tree-optimization/47428
2717         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2718         coalesce if the new root var would be TREE_READONLY.
2719
2720 2011-01-25  Richard Guenther  <rguenther@suse.de>
2721
2722         PR middle-end/47414
2723         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2724         correct type for TBAA.
2725
2726 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2729         (close_phi_written_to_memory): Call for_each_index with
2730         dr_indices_valid_in_loop.
2731
2732 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2735         when it is initialized.
2736
2737 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2740         call to graphite_find_data_references_in_stmt.
2741         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2742         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2743         call to graphite_find_data_references_in_stmt.
2744         (analyze_drs_in_stmts): Same.
2745         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2746         in which the scalar analysis of indices is performed.
2747         (create_data_ref): Same.  Update call to dr_analyze_indices.
2748         (find_data_references_in_stmt): Update call to create_data_ref.
2749         (graphite_find_data_references_in_stmt): Same.
2750         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2751         declaration.
2752         (create_data_ref): Same.
2753         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2754         call to create_data_ref.
2755
2756 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-sese-to-poly.c (build_poly_scop): Move
2759         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2760
2761 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2764         VAR_DECL, PARM_DECL, and RESULT_DECL.
2765
2766 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2767
2768         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2769         in a reduction PBB.
2770         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2771         that have already been marked as PBB_IS_REDUCTION.
2772
2773 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2774
2775         * graphite-scop-detection.c (same_close_phi_node): New.
2776         (remove_duplicate_close_phi): New.
2777         (make_close_phi_nodes_unique): New.
2778         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2779
2780 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2783         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2784         of both data references to be the same.
2785
2786 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2787
2788         * graphite-dependences.c (build_lexicographical_constraint): Remove
2789         the gdim parameter.
2790         (build_lexicographical_constraint): Adjust call to
2791         ppl_powerset_is_empty.
2792         (dependence_polyhedron): Same.
2793         (graphite_legal_transform_dr): Same.
2794         (graphite_carried_dependence_level_k): Same.
2795         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2796         parameter.
2797         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2798
2799 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2800
2801         * graphite-sese-to-poly.c
2802         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2803         (close_phi_written_to_memory): New.
2804         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2805         and unshare_expr.
2806
2807 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         * doc/install.texi: Update the expected version number of PPL to 0.11.
2810         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2811         #if PPL_VERSION_MINOR < 11.
2812
2813 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * graphite-dependences.c: Include graphite-cloog-util.h.
2816         (new_poly_ddr): Inlined into dependence_polyhedron.
2817         (free_poly_ddr): Moved close by new_poly_ddr.
2818         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2819         Early return NULL when ppl_powerset_is_empty returns true.
2820         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2821         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2822         (graphite_legal_transform_dr): Call new_poly_ddr.
2823         (graphite_carried_dependence_level_k): Same.
2824         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2825         (dot_transformed_deps_stmt_1): Removed.
2826         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2827         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2828         (dot_deps_1): Call dot_deps_2.
2829         * Makefile.in (graphite-dependences.o): Add missing dependence on
2830         graphite-cloog-util.h.
2831
2832 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2835         (build_lexicographical_constraint): Same.
2836         (dependence_polyhedron_1): Same.
2837         (graphite_legal_transform_dr): Same.
2838         (graphite_carried_dependence_level_k): Same.
2839         * graphite-ppl.c (ppl_powerset_is_empty): New.
2840         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2841         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2842
2843 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2846         the "a followed by b" relation and document it.
2847
2848 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2851         iteration when the bag of constraints is empty.
2852
2853 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2854
2855         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2856
2857 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2860         nest and two loop depths as parameters.
2861         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2862         lst_perfect_nestify.
2863
2864 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * graphite-dependences.c (print_pddr): Call
2867         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2868
2869 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * graphite-ppl.c (debug_gmp_value): New.
2872         * graphite-ppl.h (debug_gmp_value): Declared.
2873
2874 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2875
2876         * doc/install.texi: Document availability of cloog-0.16.
2877
2878 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2879
2880         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2881         invalid postdominance info.
2882
2883 2011-01-24  Jan Hubicka  <jh@suse.cz>
2884
2885         PR c/21659
2886         * doc/extend.texi (weak pragma): Drop claim that it must
2887         appear before definition.
2888         * varasm.c (merge_weak, declare_weak): Only sanity check
2889         that DECL is not output at a time it is declared weak.
2890
2891 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2892
2893         * machmode.def: Fixed comments.
2894
2895 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2896
2897         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2898
2899 2011-01-24  Paul Koning  <ni1d@arrl.net>
2900
2901         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2902         WORDS_BIG_ENDIAN.
2903
2904 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2905
2906         PR target/46519
2907         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2908         (block_info): Add scanned and prev.
2909         (move_or_delete_vzeroupper_2): Return if the basic block
2910         has been scanned and the upper 128bit state is unchanged
2911         from the last scan.
2912         (move_or_delete_vzeroupper_1): Return true if the exit
2913         state is changed.
2914         (move_or_delete_vzeroupper): Visit basic blocks using the
2915         work-list based algorithm based on vt_find_locations in
2916         var-tracking.c.
2917
2918         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2919
2920 2011-01-24  Nick Clifton  <nickc@redhat.com>
2921
2922         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2923         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2924         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2925         then define __v850e1__.
2926         * doc/invoke.texi: Document -mv850es.
2927
2928 2011-01-24  Richard Henderson  <rth@redhat.com>
2929
2930         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2931         compound unordered comparisons.
2932         * config/rx/rx.c (rx_split_fp_compare): Remove.
2933         * config/rx/rx-protos.h: Update.
2934         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2935         (cbranchsf4): Don't call rx_split_fp_compare.
2936         (*cbranchsf4): Use rx_split_cbranch.
2937         (*cmpsf): Don't accept "i" constraint.
2938         (*conditional_branch): Only valid after reload.
2939         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2940
2941 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2942
2943         PR target/47385
2944         * config/rs6000/altivec.md (vector constant splitters): Add
2945         support for creating vector single precision constants if -mvsx is
2946         used and we would create the constant using Altivec primitives.
2947
2948 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2949             Richard Sandiford  <rdsandiford@googlemail.com>
2950
2951         PR rtl-optimization/47166
2952         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2953         mechanism for PRE_MODIFY and POST_MODIFY.
2954         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2955         reloadreg.
2956
2957 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2958
2959         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2960
2961 2011-01-22  Jan Hubicka  <jh@suse.cz>
2962
2963         PR lto/47333
2964         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2965
2966 2011-01-22  Jan Hubicka  <jh@suse.cz>
2967
2968         PR tree-optimization/43884
2969         PR lto/44334
2970         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2971         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2972
2973 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2974
2975         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2976         * config/s390/s390.c (s390_register_move_cost,
2977         s390_memory_move_cost): New.
2978         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2979
2980 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2981
2982         PR middle-end/47401
2983         * except.c (sjlj_assign_call_site_values): Move setting the
2984         crtl->uses_eh_lsda flag to ...
2985         (sjlj_mark_call_sites): ... here.
2986         (sjlj_emit_function_enter): Support NULL dispatch label.
2987         (sjlj_build_landing_pads): In a function with no landing pads
2988         that still has must-not-throw regions, generate code to register
2989         a personality function with empty LSDA.
2990
2991 2011-01-21  Richard Henderson  <rth@redhat.com>
2992
2993         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2994
2995         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2996
2997         * compare-elim.c: New file.
2998         * Makefile.in (OBJS-common): Add it.
2999         (compare-elim.o): New.
3000         * common.opt (fcompare-elim): New.
3001         * opts.c (default_options_table): Add OPT_fcompare_elim.
3002         * tree-pass.h (pass_compare_elim_after_reload): New.
3003         * passes.c (init_optimization_passes): Add it.
3004         * recog.h: Protect against re-inclusion.
3005         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
3006         * doc/invoke.texi (-fcompare-elim): Document it.
3007         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
3008         * doc/tm.texi: Rebuild.
3009
3010 2011-01-22  Nick Clifton  <nickc@redhat.com>
3011
3012         * config/rx/rx.md (cstoresf4): Pass comparison operator to
3013         rx_split_fp_compare.
3014
3015 2011-01-22  Nick Clifton  <nickc@redhat.com>
3016
3017         * config/rx/rx.md (UNSPEC_CONST): New.
3018         (deallocate_and_return): Wrap the amount popped off the stack in
3019         an UNSPEC_CONST in order to stop it being rejected by
3020         -mmax-constant-size.
3021         (pop_and_return): Add a "(return)" rtx.
3022         (call): Drop the immediate operand.
3023         (call_internal): Likewise.
3024         (call_value): Likewise.
3025         (call_value_internal): Likewise.
3026         (sibcall_internal): Likewise.
3027         (sibcall_value_internal): Likewise.
3028         (sibcall): Likewise.  Generate an explicit call using
3029         sibcall_internal.
3030         (sibcall_value): Likewise.
3031         (mov<>): FAIL if a constant operand is not legitimate.
3032         (addsi3_unpsec): New pattern.
3033
3034         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3035         (ok_for_max_constant): New function.
3036         (gen_safe_add): New function.
3037         (rx_expand_prologue): Use gen_safe_add.
3038         (rx_expand_epilogue): Likewise.
3039         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3040         UNSPEC CONSTs.
3041
3042 2011-01-21  Jeff Law  <law@redhat.com>
3043
3044         PR tree-optimization/47053
3045         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3046         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3047         statements are deleted.
3048         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3049         is nonempty, then purge dead edges and cleanup the CFG.
3050
3051 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3052
3053         PR debug/47402
3054         Temporarily revert:
3055         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3056         PR debug/47106
3057         * tree-dfa.c (create_var_ann): Mark variable as used.
3058
3059 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3060
3061         PR middle-end/45566
3062         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3063         notes from other section in hot/cold partitioning even if
3064         last_action is -3.  Increment call_site_base.
3065
3066         PR rtl-optimization/47366
3067         * fwprop.c (forward_propagate_into): Return bool.  If
3068         any changes are made, -fnon-call-exceptions is used and
3069         REG_EH_REGION note is present, call purge_dead_edges
3070         and return true if it purged anything.
3071         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3072         any EH edges were purged.
3073
3074 2011-01-21  Jeff Law  <law@redhat.com>
3075
3076         PR rtl-optimization/41619
3077         * caller-save.c (setup_save_areas): Break out code to determine
3078         which hard regs are live across calls by examining the reload chains
3079         so that it is always used.
3080         Eliminate code which checked REG_N_CALLS_CROSSED.
3081
3082 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3083
3084         PR tree-optimization/47355
3085         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3086         NOP has non-debug uses beyond PHIs in new_bb.
3087
3088 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3089
3090         PR debug/47106
3091         * cfgexpand.c (account_used_vars_for_block): Only account vars
3092         that are annotated as used.
3093         (estimated_stack_frame_size): Don't set TREE_USED.
3094         * tree-dfa.c (create_var_ann): Mark variable as used.
3095
3096 2011-01-21  Richard Guenther  <rguenther@suse.de>
3097
3098         PR middle-end/47395
3099         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3100
3101 2011-01-21  Richard Guenther  <rguenther@suse.de>
3102
3103         PR tree-optimization/47365
3104         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3105         (vn_reference_lookup_pieces): Adjust.
3106         (vn_reference_lookup): Likewise.
3107         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3108         (vn_reference_lookup_3): Only look through kills if in
3109         VN_WALKREWRITE mode.
3110         (vn_reference_lookup_pieces): Adjust.
3111         (vn_reference_lookup): Likewise.
3112         (visit_reference_op_load): Likewise.
3113         (visit_reference_op_store): Likewise.
3114         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3115         (compute_avail): Likewise.
3116         (eliminate): Likewise.
3117
3118 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3119
3120         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3121         DECL_IGNORED_P non-reg vars if they are used.
3122
3123         PR tree-optimization/47391
3124         * varpool.c (const_value_known_p): Return false if
3125         decl is volatile.
3126
3127 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3128
3129         PR bootstrap/47215
3130         * config/i386/i386.c (ix86_local_alignment): Handle
3131         case for va_list_type_node is nil.
3132         (ix86_canonical_va_list_type): Likewise.
3133
3134 2011-01-21  Alan Modra  <amodra@gmail.com>
3135
3136         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3137         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3138
3139 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3140
3141         * config/arm/arm.md (define_attr type): Rename f_load
3142         and f_store to f_fpa_load and f_fpa_store. Update.
3143         (write_conflict): Deal with rename fallout.
3144         (*push_fp_multi): Likewise.
3145         * config/arm/fpa.md (f_load): Use f_fpa_load.
3146         (f_store): Use f_fpa_store.
3147         (*movsf_fpa): Likewise.
3148         (*movdf_fpa): Likewise.
3149         (*movxf_fpa): Likewise.
3150         (*thumb2_movsf_fpa): Likewise.
3151         (*thumb2_movdf_fpa): Likewise.
3152         (*thumb2_movxf_fpa): Likewise.
3153         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3154         f_loadd and f_stored.
3155         (*thumb2_movdi_vfp): Likewise.
3156         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3157         (*thumb2_movsi_vfp): Likewise.
3158         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3159         Use f_loads instead of f_load.
3160         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3161
3162 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3163
3164         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3165         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3166         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3167         (xtensa_mode_dependent_address_p): New function.
3168         (constantpool_address_p): Make static. Change return type to bool.
3169         Change argument type to const_rtx. Use CONST_INT_P predicate.
3170
3171 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3172
3173         PR debug/46583
3174         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3175
3176 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3177
3178         PR debug/47283
3179         * cfgexpand.c (expand_debug_expr): Instead of generating
3180         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3181         etc. handling.
3182
3183 2011-01-20  Richard Guenther  <rguenther@suse.de>
3184
3185         PR middle-end/47370
3186         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3187         the pointer operand of MEM_REFs.
3188
3189 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3190
3191         PR tree-optimization/46130
3192         * ipa-split.c (consider_split): If return_bb contains non-virtual
3193         PHIs other than for retval or if split_function would not adjust it,
3194         refuse to split.
3195
3196 2011-01-20  Richard Guenther  <rguenther@suse.de>
3197
3198         PR tree-optimization/47167
3199         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3200         Revert previous change, only avoid enumeral type changes.
3201
3202 2011-01-19  Mike Stump  <mikestump@comcast.net>
3203
3204         * doc/tm.texi.in (BRANCH_COST): Englishify.
3205         * doc/tm.texi (BRANCH_COST): Likewise.
3206
3207 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3208
3209         PR c++/47291
3210         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3211         (gen_scheduled_generic_parms_dies): New functions.
3212         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3213         generation for the end of CU compilation.
3214         (dwarf2out_finish): Generate template parameters DIEs here.
3215
3216 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3217
3218         PR debug/46240
3219         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3220         debug bind stmt on merge edges.
3221
3222 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3223
3224         PR debug/47079
3225         PR debug/46724
3226         * function.c (instantiate_expr): Instantiate incoming rtl of
3227         implicit arguments, and recurse on VALUE_EXPRs.
3228         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3229         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3230
3231 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3232
3233         * c-parser.c (c_parser_for_statement): Initialize
3234         collection_expression.
3235
3236 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3237
3238         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3239
3240 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3241
3242         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3243         (LINK_SHLIB_SPEC): Don't use %(link_path).
3244         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3245
3246 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3247
3248         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3249         (NO_SHARED_LIB_SUPPORT): Remove.
3250         (LINK_SHLIB_SPEC): Remove one conditional definition.
3251
3252 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3253
3254         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3255         %{call_shared}.
3256         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3257         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3258         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3259         %{call_shared} and conditionals on these options not being passed.
3260         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3261         %{call_shared}.
3262
3263 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3264
3265         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3266         simplify.
3267
3268         * ipa-split.c: Spelling fixes.
3269
3270 2011-01-19  Richard Henderson  <rth@redhat.com>
3271
3272         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3273         (*mulsi3): Likewise.
3274
3275         * longlong.h [__mn10300__] (count_leading_zeros): New.
3276         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3277         [__mn10300__] (add_ssaaaa, subddmmss): New.
3278         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3279         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3280
3281 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3282
3283         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3284
3285 2011-01-19  Richard Henderson  <rth@redhat.com>
3286
3287         * config/mn10300/mn10300.md (addsi3_flags): New.
3288         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3289         (subsi3_flags, subc_internal, subdi3): New.
3290         (subdi3_internal, *subdi3_degenerate): New.
3291         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3292
3293         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3294         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3295         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3296         * config/mn10300/mn10300-protos.h: Update.
3297         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3298         (return_ret): Likewise.  Rename from return_internal_regs.
3299         (return_internal): Remove.
3300
3301         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3302         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
3303         (mn10300_legitimate_constant_p): Likewise.
3304         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
3305         (mn10300_frame_size): New.
3306         (mn10300_expand_prologue): Use it.
3307         (mn10300_expand_epilogue): Likewise.
3308         (mn10300_initial_offset): Likewise.
3309         * config/mn10300/mn10300-protos.h: Update.
3310         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
3311         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
3312         (prologue, epilogue, return_internal): Tidy output code.
3313         (mn10300_store_multiple_operation, return): Likewise.
3314         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
3315         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
3316         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
3317         (load_pic, am33_load_pic): New.
3318         (mn10300_load_pic0, mn10300_load_pic1): New.
3319
3320         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
3321         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
3322         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
3323         (cc_flags_for_mode, cc_flags_for_code): New.
3324         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
3325         overflow flag is not valid.  Validate that the flags we need
3326         for the comparison are valid.
3327         (mn10300_output_cmp): Remove.
3328         (mn10300_output_add): New.
3329         (mn10300_select_cc_mode): Use cc_flags_for_code.
3330         (mn10300_split_cbranch): New.
3331         (mn10300_match_ccmode): New.
3332         (mn10300_split_and_operand_count): New.
3333         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
3334         to the function.
3335         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
3336         (addsi3): ... here.  Use mn10300_output_add.
3337         (*addsi3_flags): New.
3338         (*am33_subsi3, *mn10300_subsi3): Merge...
3339         (subsi3): ... here.  Use attribute isa.
3340         (*subsi3_flags): New.
3341         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
3342         when possible.
3343         (*am33_andsi3, *mn10300_andsi3): Merge...
3344         (andsi3): ... here.
3345         (*andsi3_flags): New.
3346         (andsi3 splitters): New.
3347         (*am33_iorsi3, *mn10300_iorsi3): Merge...
3348         (iorsi3): ... here.
3349         (*iorsi3_flags): New.
3350         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3351         (xorsi3): ... here.
3352         (*xorsi3_flags): New.
3353         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3354         (one_cmplsi2): ... here.
3355         (*one_cmplsi2_flags): New.
3356         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3357         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3358         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3359         use matching constraints to eliminate a self-comparison.
3360         (*integer_conditional_branch): Rename from integer_conditional_branch.
3361         Use int_mode_flags to match CC_REG.
3362         (*cbranchsi4_btst, *btstsi): New.
3363         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3364         mn10300_split_cbranch.
3365         (*am33_cmpsf): Rename from am33_cmpsf.
3366         (*float_conditional_branch): Rename from float_conditional_branch.
3367         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3368         (zero_extendqisi2): ... here.
3369         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3370         (zero_extendhisi2): ... here.
3371         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3372         (extendqisi2): ... here.
3373         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3374         (extendhisi2): ... here.
3375         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3376         (ashlsi3): ... here.
3377         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3378         (lshrsi3): ... here.
3379         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3380         (ashrsi3): ... here.
3381         (consecutive add peephole): Remove.
3382         * config/mn10300/predicates.md (label_ref_operand): New.
3383         (int_mode_flags): New.
3384         (CCZN_comparison_operator): New.
3385
3386         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3387         (throughput_42_latency_43): New reservation.
3388         (mulsidi3, umulsidi3): New expanders.
3389         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3390         the MDR register to allocation; separately allocate the low and
3391         high parts of the DImode result.
3392         (umulsidi3_internal): Similarly.
3393         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3394         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3395         (udivsi3, umodsi3): Remove.
3396         (udivmodsi4, divmodsi4): New expanders.
3397         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3398         (*divmodsi4): Simiarly.
3399         (ext_internal): New.
3400
3401         * config/mn10300/constraints.md ("z"): New constraint.
3402         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3403         (FIXED_REGISTERS): Don't fix MDR.
3404         (CALL_USED_REGSITERS): Reformat nicely.
3405         (REG_ALLOC_ORDER): Add MDR.
3406         (enum regclass): Add MDR_REGS.
3407         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3408         (IRA_COVER_CLASSES): Add MDR_REGS.
3409         (REGNO_REG_CLASS): Handle MDR_REG.
3410         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3411         (mn10300_register_move_cost): Likewise.
3412         * config/mn10300/mn10300.md (MDR_REG): New.
3413         (*movsi_internal): Handle moves to/from MDR_REGS.
3414
3415         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3416         POST_MODIFY.
3417         (mn10300_secondary_reload): Tidy combination reload classes.
3418         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3419         addresses for AM33.  Allow symbolic offsets for reg+imm.
3420         (mn10300_regno_in_class_p): New.
3421         (mn10300_legitimize_reload_address): New.
3422         * config/mn10300/mn10300.h (enum reg_class): Remove
3423         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3424         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3425         SP_OR_GENERAL_REGS.
3426         (REG_CLASS_NAMES): Update to match.
3427         (REG_CLASS_CONTENTS): Likewise.
3428         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3429         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3430         (REGNO_IN_RANGE_P): Remove.
3431         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3432         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3433         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3434         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3435         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3436         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3437         (REGNO_GENERAL_P): New.
3438         (HAVE_POST_MODIFY_DISP): New.
3439         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3440         (LEGITIMIZE_RELOAD_ADDRESS): New.
3441         * config/mn10300/mn10300-protos.h: Update.
3442
3443         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3444         DATA_REGS for AM33 stack-pointer destination.
3445         (mn10300_preferred_output_reload_class): Likewise.
3446         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3447         into a form appropriate for ...
3448         (TARGET_SECONDARY_RELOAD): New.
3449         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3450         * config/mn10300/mn10300-protos.h: Update.
3451         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3452         reload_insi; use the "A" constraint for the scratch; handle AM33
3453         moves of sp to non-address registers.
3454
3455         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3456         (*movqi_internal): ... here.
3457         (*am33_movhi, *mn10300_movhi): Merge into...
3458         (*movhi_internal): ... here.
3459         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3460         as the source/destination of moves from/to SP.
3461         (movsf): Only allow for AM33-2.
3462         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3463         any integer constant constraint.  Only allow for AM33-2.  Tidy
3464         all of the alternative outputs.
3465         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3466         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3467         for MN103.
3468         (udivsi3, umodsi3): New patterns for MN103 only.
3469
3470 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3471
3472         * doc/tm.texi.in: Spell out that a lack of register class unions
3473         can lead to ICEs.
3474         * doc/tm.texi: Regenerate.
3475
3476 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3477
3478         PR rtl-optimization/47337
3479         * dce.c (check_argument_store): New function.
3480         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3481
3482         PR tree-optimization/47290
3483         * tree-eh.c (infinite_empty_loop_p): New function.
3484         (cleanup_empty_eh): Use it.
3485
3486 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3487
3488         PR target/46997
3489         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3490         (a64_expand_widen_sum): Ditto.
3491         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3492         (vec_extract_evenodd_help): Ditto.
3493         (vec_extract_evenv4hi): Ditto.
3494         (vec_extract_oddv4hi): Ditto.
3495         (vec_extract_evenv2si): Ditto.
3496         (vec_extract_oddv2si): Ditto.
3497         (vec_extract_evenv2sf): Ditto.
3498         (vec_extract_oddv2sf): Ditto.
3499         (vec_pack_trunc_v4hi: Ditto.
3500         (vec_pack_trunc_v2si): Ditto.
3501         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3502         (vec_interleave_highv8qi): Ditto.
3503         (mix1_r): Ditto.
3504         (vec_extract_oddv8qi): Ditto.
3505         (vec_interleave_lowv4hi): Ditto.
3506         (vec_interleave_highv4hi): Ditto.
3507         (vec_interleave_lowv2si): Ditto.
3508         (vec_interleave_highv2si): Ditto.
3509