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1 2011-03-15  Xinliang David Li  <davidxl@google.com>
2
3         PR c/47837
4         * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
5         (normalize_preds): New function.
6         (is_use_properly_guarded): Normalize def predicates.
7
8 2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
9
10         PR target/46778
11         * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
12         in the output template.
13
14 2011-03-15  Richard Guenther  <rguenther@suse.de>
15
16         PR middle-end/47650
17         * tree-pretty-print.c (dump_function_declaration): Properly
18         dump unprototyped and varargs function types.
19
20 2011-03-15  Richard Guenther  <rguenther@suse.de>
21
22         PR tree-optimization/13954
23         * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
24         and friends.
25
26 2011-03-15  Richard Guenther  <rguenther@suse.de>
27
28         PR tree-optimization/48037
29         * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
30         selects into BIT_FIELD_REFs.
31         (non_rewritable_mem_ref_base): Check if a MEM_REF is a
32         vector select.
33
34 2011-03-15  Jakub Jelinek  <jakub@redhat.com>
35
36         PR tree-optimization/48129
37         * builtins.c (fold_builtin_snprintf): Convert to type of
38         built_in_decls[BUILT_IN_SNPRINTF] retval instead of
39         implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
40
41 2011-03-15  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/41490
44         * tree-ssa-dce.c (propagate_necessity): Handle returns without
45         value but with VUSE.
46         * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
47         return statements.
48         * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
49         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
50         * tree-tailcall.c (find_tail_calls): Ignore returns.
51
52 2011-03-15  Richard Guenther  <rguenther@suse.de>
53
54         PR middle-end/48031
55         * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
56         or variable-indexed array accesses when in gimple form.
57
58 2011-03-15  Richard Guenther  <rguenther@suse.de>
59
60         * config/i386/i386.c (ix86_emit_swdivsf): Implement more
61         efficiently.
62
63 2011-03-15  Alan Modra  <amodra@gmail.com>
64
65         PR target/48032
66         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
67         presume symbol_refs without a symbol_ref_decl are suitably
68         aligned, nor other trees we may see here.  Handle anchor symbols.
69         (legitimate_constant_pool_address_p): Comment.  Add mode param.
70         Check cmodel=medium addresses.  Adjust all calls.
71         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
72         creating cmodel=medium optimized access to locals.
73         * config/rs6000/constraints.md (R): Pass QImode to
74         legitimate_constant_pool_address_p.
75         * config/rs6000/predicates.md (input_operand): Pass mode to
76         legitimate_constant_pool_address_p.
77         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
78         Update prototype.
79
80 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
81
82         PR target/48053
83         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
84         64-bit constants being loaded into registers other than GPRs such
85         as loading 0 into a VSX register.
86
87 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
88
89         * config/sol2.c (solaris_assemble_visibility): Remove obsolete
90         URLs.
91
92 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
93
94         PR middle-end/47917
95         * builtins.c (fold_builtin_snprintf): New function.
96         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
97         (fold_builtin_4): Likewise.
98
99         PR middle-end/38878
100         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
101         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
102         and C - X == X also strip nops from +/-/p+ operand.
103         When optimizing -X == C, fold C to arg0's type.
104
105         PR debug/47946
106         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
107         emit it as add_AT_int instead of add_AT_unsigned.
108
109 2011-03-14  Tom Tromey  <tromey@redhat.com>
110
111         * unwind-dw2.c: Include sys/sdt.h if it exists.
112         (_Unwind_DebugHook): Use STAP_PROBE2.
113         * config.in, configure: Rebuild.
114         * configure.ac: Check for sys/sdt.h.
115
116 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
117
118         * config/i386/i386.md (ROUND_FLOOR): New constant.
119         (ROUND_CEIL): Ditto.
120         (ROUND_TRUNC): Ditto.
121         (ROUND_MXCSR): Ditto.
122         (ROUND_NO_EXC): Ditto.
123         (rint<mode>2): Use new defines instead of numerical constants.
124         (floor<mode>2): Ditto.
125         (ceil<mode>2): Ditto.
126         (btrunc<mode>2): Ditto.
127         * config/i386/i386-builtin-types.def: Define ROUND function type
128         aliases.
129         * config/i386/i386.c (enum ix86_builtins): Add
130         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
131         (struct builtin_description): Add
132         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
133         (ix86_expand_sse_round): New static function.
134         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
135         function types.
136         (ix86_builtin_vectorized_function): Handle
137         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
138
139 2011-03-14  Tom Tromey  <tromey@redhat.com>
140
141         * c-parser.c (c_parser_asm_string_literal): Clear
142         warn_overlength_strings.
143
144 2011-03-14  Tom Tromey  <tromey@redhat.com>
145
146         * c-parser.c (disable_extension_diagnostics): Save
147         warn_overlength_strings.
148         (restore_extension_diagnostics): Restore warn_overlength_strings.
149
150 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
151
152         * BASE-VER: Change to 4.7.0.
153
154 2011-03-14  Richard Guenther  <rguenther@suse.de>
155
156         PR middle-end/48098
157         * tree.c (build_vector_from_val): Adjust assert to requirements
158         and reality.
159
160 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
161
162         PR bootstrap/48102
163         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
164
165 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
166
167         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
168         terms of target_flags_explicit. Adjust copyright year.
169
170         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
171         * config/rs6000/t-freebsd: New file. Add override for
172         LIB2FUNCS_EXTRA.
173
174 2011-03-13  Chris Demetriou  <cgd@google.com>
175
176         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
177         (-fno-diagnostics-show-option): this, to reflect current default.
178         (-Werror=): Update text about -fno-diagnostics-show-option.
179
180 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
181
182         PR target/48053
183         * config/rs6000/predicates.md (easy_vector_constant_add_self,
184         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
185         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
186         mode is not V2DImode or V2DFmode.
187         (vspltis_constant): Do not handle V2DImode and V2DFmode.
188         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
189         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
190         registers to 0.
191         (movdi_internal64): Likewise.
192
193 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
194
195         PR tree-optimization/47127
196         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
197         parameter.
198         (set_cloog_options): Same.
199         (scop_to_clast): Same.
200         (print_clast_stmt): Do not call cloog_state_malloc and
201         cloog_state_free.
202         (print_generated_program): Same.
203         (gloog): Same.
204         * graphite-clast-to-gimple.h (cloog_state): Declared.
205         (scop_to_clast): Adjust declaration.
206         * graphite.c (cloog_state): Defined here.
207         (graphite_initialize): Call cloog_state_malloc.
208         (graphite_finalize): Call cloog_state_free.
209
210 2011-03-11  Jason Merrill  <jason@redhat.com>
211
212         * attribs.c (lookup_attribute_spec): Take const_tree.
213         * tree.h: Adjust.
214
215 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
216
217         * config/sparc/sparc.c (sparc_option_override): Use
218         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
219
220 2011-03-11  Richard Guenther  <rguenther@suse.de>
221
222         PR tree-optimization/48067
223         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
224         multiplication result will be only used once on the target
225         stmt.
226
227 2011-03-11  Richard Guenther  <rguenther@suse.de>
228
229         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
230
231 2011-03-11  Richard Guenther  <rguenther@suse.de>
232
233         PR lto/48073
234         * tree.c (find_decls_types_r): Do not walk types only reachable
235         from IDENTIFIER_NODEs.
236
237 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
238
239         PR middle-end/48044
240         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
241         all vnode->force_output nodes as needed.
242
243 2011-03-11  Jason Merrill  <jason@redhat.com>
244
245         PR c++/48069
246         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
247         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
248
249 2011-03-11  Martin Jambor  <mjambor@suse.cz>
250
251         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
252         cgraph_node.
253
254 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
255
256         PR tree-optimization/48063
257         * ipa-inline.c (cgraph_decide_inlining): Don't try to
258         inline functions called once if !tree_can_inline_p (node->callers).
259
260 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
261
262         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
263         extra_objs.
264         * config/score/score3.c: Delete.
265         * config/score/score3.h: Delete.
266         * config/score/mul-div.S: Delete.
267         * config/score/sfp-machine.h: Add new file.
268         * config/score/constraints.md: Add new file.
269         * config/score/t-score-softfp: Add new file.
270         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
271         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
272         (score7_extra_constraint): Delete.
273         (score7_option_override): Remove unused code.
274         * config/score/score.c: Remove score3 and score5 define and code.
275         * config/score/score.h: Remove score3 and score5 define and code.
276         * config/score/score.md: Remove score3 template and unusual insn.
277         * config/score/score.opt: Remove score3 and score5 options.
278
279 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
280
281         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
282         when _HPUX_SOURCE is defined.
283         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
284
285 2011-03-10  Jason Merrill  <jason@redhat.com>
286
287         PR c++/48029
288         * stor-layout.c (layout_type): Don't set structural equality
289         on arrays of incomplete type.
290         * tree.c (type_hash_eq): Handle comparing them properly.
291
292 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
293
294         PR debug/48043
295         * config/s390/s390.c (s390_delegitimize_address): Make sure the
296         result mode matches original rtl mode.
297
298 2011-03-10  Nick Clifton  <nickc@redhat.com>
299
300         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
301         (andsi3, andsi3_flags): Fix timings for three operand alternative.
302
303 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
304
305         PR rtl-optimization/47866
306         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
307         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
308         if target wasn't scalar.
309         * function.c (assign_stack_temp_for_type): Assert that neither
310         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
311         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
312         macro.
313         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
314
315 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
316
317         * config/s390/s390-protos.h (s390_label_align): New prototype.
318         * config/s390/s390.c (s390_label_align): New function.
319         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
320
321 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
322
323         PR target/47755
324         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
325         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
326         (output_vec_const_move): Ditto.
327
328 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
329
330         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
331         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
332         * config/mips/mips.c (mips_preferred_reload_class): Make static.
333         Change 'rclass' argument and result type to reg_class_t.
334         (TARGET_PREFERRED_RELOAD_CLASS): Define.
335
336 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
337
338        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
339        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
340        TARGET_MEMORY_MOVE_COST): Define.
341        (avr_register_move_cost, avr_memory_move_cost): New Functions.
342
343 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
344
345         PR debug/47881
346         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
347         removed anything.
348
349         PR tree-optimization/48022
350         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
351         for EQ/NE_EXPR.
352
353 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
354
355         PR debug/47991
356         * var-tracking.c (find_use_val): Return NULL for
357         cui->sets && cui->store_p BLKmode MEMs.
358
359 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
360
361         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
362         Remove.
363         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
364         xstormy16_print_operand_address): Remove.
365         * config/stormy16/stormy16.c (xstormy16_print_operand,
366         xstormy16_print_operand_address): Make static.
367         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
368
369 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
370
371         PR target/47862
372         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
373         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
374         before definition.
375
376 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
377
378         PR bootstrap/48000
379         * cfgloopmanip.c (fix_bb_placements): Return immediately
380         if FROM is BASE_LOOP's header.
381
382 2011-03-07  Paul W√∂gerer  <paul_woegerer@mentor.com>
383
384         * gimplify.c (gimplify_function_tree): Fix building calls
385         to __builtin_return_address.
386
387 2011-03-07  Alan Modra  <amodra@gmail.com>
388
389         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
390         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
391         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
392         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
393         return_mode args.
394         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
395         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
396         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
397         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
398         * config/rs6000/rs6000.c
399         (rs6000_elf_end_indicate_exec_stack): Rename to..
400         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
401         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
402         (rs6000_file_start): ..here.
403         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
404         file scope variables.
405         (call_ABI_of_interest): New function.
406         (init_cumulative_args): Set above vars when function return value
407         is a float, vector, or small struct.
408         (rs6000_function_arg_advance_1): Likewise for function args.
409         (rs6000_va_start): Set rs6000_passes_float if variable arg function
410         references float args.
411
412 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
413
414         * doc/cfg.texi: Remove "See" before @ref.
415         * doc/invoke.texi: Likewise.
416
417 2011-03-05  Jason Merrill  <jason@redhat.com>
418
419         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
420
421 2011-03-05  Anthony Green  <green@moxielogic.com>
422
423         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
424
425 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
426
427         PR rtl-optimization/47899
428         * cfgloopmanip.c (fix_bb_placements): Fix first argument
429         to flow_loop_nested_p when moving the loop upward.
430
431 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
432
433         PR target/47719
434         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
435
436 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
437
438         PR tree-optimization/47967
439         * ipa-cp.c (build_const_val): Return NULL instead of creating
440         VIEW_CONVERT_EXPR for mismatching sizes.
441         (ipcp_create_replace_map): Return NULL if build_const_val failed.
442         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
443         give up on versioning.
444
445 2011-03-05  Alan Modra  <amodra@gmail.com>
446
447         PR target/47986
448         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
449         full cmodel medium/large lo_sum + high addresses.
450
451 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
452
453         * config/s390/s390.c (s390_decompose_address): Reject non-literal
454         pool references in UNSPEC_LTREL_OFFSET.
455
456 2011-03-04  Jan Hubicka  <jh@suse.cz>
457
458         PR lto/47497
459         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
460         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
461         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
462         Add node pointers.
463         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
464         cgraph_add_thunk): Add node pointers.
465         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
466         associated to right node.
467         (input_node): Update use of cgraph_same_body_alias
468         and cgraph_add_thunk.
469
470 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
471
472         * config/i386/i386.opt (mprefer-avx128): New flag.
473         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
474         modes when the flag -mprefer-avx128 is on.
475
476 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
477
478         * dwarf2out.c (compare_loc_operands): Fix address handling.
479
480 2011-03-04  Alan Modra  <amodra@gmail.com>
481
482         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
483
484 2011-03-04  Richard Guenther  <rguenther@suse.de>
485
486         PR middle-end/47968
487         * expmed.c (extract_bit_field_1): Prefer vector modes that
488         vec_extract patterns can handle.
489
490 2011-03-04  Richard Guenther  <rguenther@suse.de>
491
492         PR middle-end/47975
493         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
494
495 2011-03-04  Richard Henderson  <rth@redhat.com>
496
497         * explow.c (emit_stack_save): Remove 'after' parameter.
498         (emit_stack_restore): Likewise.
499         * expr.h: Update to match.
500         * builtins.c, calls.c, stmt.c: Likewise.
501         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
502         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
503         * function.c (expand_function_end): Insert the emit_stack_save
504         sequence before parm_birth_insn instead of after.
505
506 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
507
508         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
509         (ssse3_pmaddubsw128): Ditto.
510         (ssse3_pmaddubsw): Ditto.
511
512 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
513
514         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
515
516 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
517
518         PR c/47963
519         * gimplify.c (omp_add_variable): Only call omp_notice_variable
520         on TYPE_SIZE_UNIT if it is a DECL.
521
522         PR debug/47283
523         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
524         first operand is not is_gimple_mem_ref_addr, try to fold it.
525         If the operand still isn't is_gimple_mem_ref_addr, clear
526         MEM_EXPR on op0.
527
528 2011-03-03  Richard Guenther  <rguenther@suse.de>
529
530         PR middle-end/47283
531         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
532         match comment.
533         (refs_may_alias_p_1): For release branches return true if
534         we are confused by our input.
535
536 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
537
538         * config/s390/s390.c (s390_function_value): Rename to ...
539         (s390_function_and_libcall_value): ... this.
540         (s390_function_value): New function.
541         (s390_libcall_value): New function.
542         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
543         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
544         target macro definitions.
545         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
546
547 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
548
549         * config/i386/freebsd64.h (CC1_SPEC): Define.
550         * config/i386/linux64.h (CC1_SPEC): Define.
551         * config/i386/x86-64.h (CC1_SPEC): Don't define.
552
553 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
554
555         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
556         Remove.
557         * config/stormy16/stormy16.c: Include reload.h.
558         (xstormy16_memory_move_cost): New function.
559         (TARGET_MEMORY_MOVE_COST): Define.
560
561 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
562
563         PR rtl-optimization/47925
564         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
565         with side effects.  Remove the more-specific check for volatile asms.
566
567 2011-03-02  Alan Modra  <amodra@gmail.com>
568
569         PR target/47935
570         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
571         toc relative addresses for valid offsets.
572
573 2011-03-01  Richard Guenther  <rguenther@suse.de>
574
575         PR tree-optimization/47890
576         * tree-vect-loop.c (get_initial_def_for_induction): Set
577         related stmt properly.
578
579 2011-03-01  Richard Guenther  <rguenther@suse.de>
580
581         PR lto/47924
582         * lto-streamer.c (lto_record_common_node): Also register
583         the canonical type.
584
585 2011-03-01  Richard Guenther  <rguenther@suse.de>
586
587         PR lto/46911
588         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
589         Do not stream DECL_ABSTRACT_ORIGIN.
590         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
591         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
592         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
593         Do not stream DECL_ABSTRACT_ORIGIN.
594         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
595         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
596
597 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
598
599         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
600         FUNCTION_VALUE_REGNO_P): Remove.
601         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
602         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
603         Add 'outgoing' argument.
604         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
605         function.
606         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
607         TARGET_FUNCTION_VALUE_REGNO_P): Define.
608
609 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
610
611         PR debug/28047
612         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
613         (lookup_filename): Likewise.
614         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
615
616 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
617             Jakub Jelinek  <jakub@redhat.com>
618
619         PR middle-end/47893
620         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
621         (assign_stack_local_1): Change last argument type to int.
622         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
623         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
624         don't record padding space into frame_space_list nor use those areas.
625         (assign_stack_local): Adjust caller.
626         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
627         of assign_stack_local, pass 0 as last argument.
628         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
629         callers.
630
631 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
632
633         PR debug/47283
634         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
635         Use target address_mode and pointer_mode hooks instead of hardcoded
636         Pmode and ptr_mode.  Handle some simple cases of extending if
637         POINTERS_EXTEND_UNSIGNED < 0.
638         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
639         Call convert_debug_memory_address.
640         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
641         convert_debug_memory_address.
642
643         PR middle-end/46790
644         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
645         * configure: Regenerated.
646         * config.in: Regenerated.
647         * varasm.c (default_function_section): Return NULL
648         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
649
650 2011-02-28  Martin Jambor  <mjambor@suse.cz>
651
652         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
653         the description to match the printed values.
654
655 2011-02-28  Richard Guenther  <rguenther@suse.de>
656
657         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
658         of the copied scope tree.
659
660 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
661
662         * doc/extend.texi (Function Attributes): Avoid deeply (and
663         wrongly) nested tables.
664
665 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
666
667         PR middle-end/47903
668         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
669         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
670         r isn't op0 nor op1.
671
672 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
673
674         * config/avr/avr.md: Remove magic comment for emacs.
675
676 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
677
678         PR target/45261
679         * config/avr/avr.c (avr_option_override): Use error on bad options.
680         (avr_help): New function.
681         (TARGET_HELP): Define.
682
683 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
684
685         PR target/42240
686         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
687         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
688
689 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
690
691         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
692         (ARM Options): Ditto.
693         (i386 and x86-64 Options): Ditto.
694         (RX Options): Ditto.
695         (SPARC Options): Ditto.
696
697 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
698
699         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
700         FreeBSD 6 and later.  Generally use cpu generic.
701
702 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
703
704         * doc/cpp.texi: Update copyright years.
705
706 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
707
708         PR target/46898
709         * config/lm32/lm32.md (ashrsi3): Added needed variable.
710
711 2011-02-25  Jon Beniston  <jon@beniston.com>
712
713         PR target/46898
714         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
715         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
716         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
717         (lm32_block_move_inline): Add type cast to remove warning.
718         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
719         (gen_int_relational): Move declarations to start of function.
720
721 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
722
723         PR tree-optimization/45470
724         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
725         can throw internally only.
726         * tree-vect-stmts.c (vectorizable_call): Likewise.
727
728 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
729
730         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
731         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
732         * config/stormy16/stormy16-protos.h
733         (xstormy16_preferred_reload_class): Remove.
734         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
735         static. Change 'rclass' argument and return type to reg_class_t.
736         (TARGET_PREFERRED_RELOAD_CLASS,
737         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
738
739 2011-02-24  Richard Guenther  <rguenther@suse.de>
740
741         * lto-streamer-in.c (input_bb): Do not find referenced vars
742         in debug statements.
743
744 2011-02-23  Jason Merrill  <jason@redhat.com>
745
746         * common.opt (fabi-version): Document v5 and v6.
747
748 2011-02-23  Richard Guenther  <rguenther@suse.de>
749
750         PR tree-optimization/47849
751         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
752
753 2011-02-23  Jie Zhang  <jie@codesourcery.com>
754
755         * opts-common.c (decode_cmdline_option): Print empty string
756         argument as "" in decoded->orig_option_with_args_text.
757         * gcc.c (execute): Print empty string argument as ""
758         in the verbose output.
759         (do_spec_1): Keep empty string argument.
760
761 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
762
763         * config.gcc: Declare score-* and crx-* obsolete.
764
765 2011-02-23  Jie Zhang  <jie@codesourcery.com>
766
767         PR rtl-optimization/47763
768         * web.c (web_main): Ignore naked clobber when replacing register.
769
770 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
771
772         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
773         Remove.
774
775 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
776
777         PR doc/47848
778         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
779
780 2011-02-22  Mike Stump  <mikestump@comcast.net>
781
782         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
783         assembler.
784         * configure: Regenerate.
785
786 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
787
788         PR rtl-optimization/46002
789         * ira-color.c (update_copy_costs): Change class intersection
790         test to reg_class_contents[] test of 'hard_regno'.
791
792 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
793
794         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
795         than Driver option.
796         * config/hpux11.opt (mt): Likewise.
797         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
798         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
799         * config/vax/elf.opt (mno-asm-pic): Likewise.
800         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
801
802 2011-02-21  Mike Stump  <mikestump@comcast.net>
803
804         PR target/47822
805         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
806         tree so we can get save the type.
807         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
808         for CFString instead of trying to use past the end of the builtins.
809         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
810         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
811         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
812         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
813         Rename to darwin_builtin_cfstring.
814         (darwin_init_cfstring_builtins): Return the built type.
815
816 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
817
818         PR target/47840
819         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
820         (_mm256_insert_epi64): Use _mm_insert_epi64.
821
822 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
823
824         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
825         * config/stormy16/stormy16-protos.h
826         (xstormy16_mode_dependent_address_p): Remove.
827         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
828         Make static. Change return type to bool. Change argument type to
829         const_rtx. Remove dead code.
830         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
831
832 2011-02-21  Richard Guenther  <rguenther@suse.de>
833
834         PR lto/47820
835         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
836         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
837         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
838         TUs context.
839         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
840         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
841
842 2011-02-20  Richard Guenther  <rguenther@suse.de>
843
844         PR lto/47822
845         * tree.c (free_lang_data_in_decl): Clean builtins from
846         the TU decl BLOCK_VARS.
847
848 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
849
850         PR debug/47620
851         PR debug/47630
852         * haifa-sched.c (fix_tick_ready): Skip tick computation
853         for debug insns.
854
855 2011-02-19  Richard Guenther  <rguenther@suse.de>
856
857         PR lto/47647
858         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
859         Remove lazy BLOCK_VARS streaming.
860         (lto_input_ts_block_tree_pointers): Likewise.
861         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
862
863 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
864
865         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
866
867 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
868
869         * config/i386/biarch32.h, config/i386/mach.h,
870         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
871
872 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
873
874         PR target/47800
875         * config/i386/i386.md (peephole2 for shift and plus): Use
876         operands[1] original mode in the first insn.
877
878 2011-02-18  Mike Stump  <mikestump@comcast.net>
879
880         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
881
882 2011-02-18  Jan Hubicka  <jh@suse.cz>
883
884         PR middle-end/47788
885         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
886         to zero when the function is not inlinable at all.
887
888 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
889
890         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
891         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
892         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
893         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
894         * config/pa/t-pa64: Likewise.
895         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
896
897 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
898
899         PR driver/47787
900         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
901
902 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
903
904         PR target/47792
905         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
906
907 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
908
909         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
910         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
911         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
912         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
913         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
914         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
915         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
916         m32r_load_postinc_p, m32r_store_preinc_predec_p,
917         m32r_legitimate_address_p): New functions.
918         * config/m32r/constraints.md (constraint "S"): Don't use
919         STORE_PREINC_PREDEC_P.
920         (constraint "U"): Don't use LOAD_POSTINC_P.
921
922 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
923
924         PR rtl-optimization/46178
925         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
926         compute ira_hard_regno_cover_class[].
927
928 2011-02-18  Richard Guenther  <rguenther@suse.de>
929
930         PR lto/47798
931         * lto-streamer.h (lto_global_var_decls): Declare.
932         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
933         statics for global var processing.
934
935 2011-02-18  Richard Guenther  <rguenther@suse.de>
936
937         PR tree-optimization/47737
938         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
939         edge dominance check.
940
941 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
942
943         PR debug/47780
944         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
945         avoid invalid rtx sharing.
946
947 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
948
949         * doc/cpp.texi (Obsolete Features): Add background on the
950         origin of assertions.
951
952 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
953
954         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
955         objc_abi == 2.
956         * config/darwin.c (output_objc_section_asm_op): Added support for
957         ABI v1 and v2.
958         (is_objc_metadata): New.
959         (darwin_objc2_section): New.
960         (darwin_objc1_section): New.
961         (machopic_select_section): Added support for ABI v1 and v2.
962         (darwin_emit_objc_zeroed): New.
963         (darwin_output_aligned_bss): Detect objc metadata and treat it
964         appropriately.
965         (darwin_asm_output_aligned_decl_common): Same.
966         (darwin_asm_output_aligned_decl_local): Same.
967         * config/darwin-sections.def: Updated for ABI v1 and v2.
968         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
969         compiling Objective-C code for the NeXT runtime, default to using
970         ABI version 0 for 32-bit, and version 2 for 64-bit.
971
972 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
973
974         * common.opt (optimize_fast): New Variable.
975         * opts.c (default_options_optimization): Use opts->x_optimize_fast
976         instead of local variable ofast.
977
978 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
979
980         * doc/invoke.texi (fobjc-abi-version): Documented.
981         (fobjc-nilcheck): Documented.
982         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
983         version.
984
985 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
986
987         PR driver/47390
988         * common.opt (export-dynamic): New Driver option.
989         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
990
991 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
992
993         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
994
995 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
996             Jan Hubicka  <jh@suse.cz>
997
998         PR debug/47106
999         PR debug/47402
1000         * cfgexpand.c (account_used_vars_for_block): Remove.
1001         (estimated_stack_frame_size): Use referenced vars.
1002         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
1003         that were referenced in the original function.  Test src_fn
1004         rather than cfun.  Drop redundant get_var_ann.
1005         (setup_one_parameter): Drop redundant get_var_ann.
1006         (declare_return_variable): Likewise.
1007         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
1008         (copy_arguments_for_versioning): Drop redundant get_var_ann.
1009         * ipa-inline.c (compute_inline_parameters): Do not compute
1010         disregard_inline_limits here.
1011         (compute_inlinable_for_current, pass_inlinable): New.
1012         (pass_inline_parameters): Require PROP_referenced_vars.
1013         * cgraphunit.c (cgraph_process_new_functions): Don't run
1014         compute_inline_parameters explicitly unless function is in SSA form.
1015         (cgraph_analyze_function): Set .disregard_inline_limits.
1016         * tree-sra.c (convert_callers): Compute inliner parameters
1017         only for functions already in SSA form.
1018
1019 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1020
1021         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
1022         -mlittle-endian-data.
1023
1024 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1025
1026         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
1027         -mno-fpu, not -fpu and -no-fpu.
1028         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
1029         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
1030
1031 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
1032
1033         PR target/43653
1034         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
1035         input reload with PLUS RTX.
1036
1037 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1038
1039         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
1040         of InverseVar(MDMX).
1041
1042 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1043
1044         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
1045         --m4-340.
1046
1047 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1048
1049         * config/mn10300/mn10300.opt (mno-crt0): New.
1050
1051 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1052
1053         * config/m68k/uclinux.opt (static-libc): New Driver option.
1054
1055 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1056
1057         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
1058
1059 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1060
1061         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
1062         %{muser-extend-enabled}.
1063
1064 2011-02-16  Richard Guenther  <rguenther@suse.de>
1065
1066         PR tree-optimization/47738
1067         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
1068         the TODO from tree_predictive_commoning.
1069
1070 2011-02-15  Jeff Law  <law@redhat.com>
1071
1072         Revert
1073         2011-01-25  Jeff Law  <law@redhat.com>
1074
1075         PR rtl-optimization/37273
1076         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1077         handle them like argument loads from stack slots.  Do not double
1078         count memory for memory constants and argument loads from stack slots.
1079
1080 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1081
1082         PR middle-end/47725
1083         * combine.c (cant_combine_insn_p): Revert the last change.
1084
1085 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1086
1087         PR target/47755
1088         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1089         mode for vector constants.  Remove code that checks for TImode.
1090
1091 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1092
1093         PR debug/47106
1094         PR debug/47402
1095         * cgraph.h (compute_inline_parameters): Return void.
1096         * ipa-inline.c (compute_inline_parameters): Adjust.
1097
1098 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1099
1100         PR debug/47106
1101         PR debug/47402
1102         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1103         rather than decl.
1104         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1105         * ipa-inline.c (compute_inline_parameters): Adjust.
1106
1107 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1108
1109         PR debug/47106
1110         PR debug/47402
1111         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1112         Adjust all users.  Pass FN to...
1113         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1114         fn argument.
1115         * ipa-struct-reorg.c: Adjust.
1116         * tree-dfa.c: Adjust.
1117         * tree-into-ssa.c: Adjust.
1118         * tree-sra.c: Adjust.
1119         * tree-ssa-alias.c: Adjust.
1120         * tree-ssa-live.c: Adjust.
1121         * tree-ssa.c: Adjust.
1122         * tree-ssanames.c: Adjust.
1123         * tree-tailcall.c: Adjust.
1124
1125 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1126
1127         PR debug/47106
1128         PR debug/47402
1129         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1130         Adjust all callers.
1131         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1132         * tree-flow-inline.h: Adjust.
1133         * gimple-pretty-print.c: Adjust.
1134         * tree-into-ssa.c: Adjust.
1135         * tree-ssa.c: Adjust.
1136         * cfgexpand.c: Adjust.
1137
1138 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1139
1140         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1141         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1142         (EXTRA_CONSTRAINT): Delete.
1143         * config/iq2000/constraints.md: New file.
1144         * config/iq2000/iq2000.md: Include it.
1145         (define_insn ""): Delete.
1146         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1147         unsupported constraint letters from patterns.
1148         (call_value, call_value_internal1): Likewise.
1149         (call_value_multiple_internal1): Likewise.
1150
1151 2011-02-15  Nick Clifton  <nickc@redhat.com>
1152
1153         * config/mn10300/mn10300.c: Include tm-constrs.h.
1154         (struct liw_data): New data structure describing an LIW candidate
1155         instruction.
1156         (extract_bundle): Use struct liw_data.  Allow small integer
1157         operands for some instructions.
1158         (check_liw_constraints): Use struct liw_data.  Remove swapped
1159         parameter.  Add comments describing the checks.  Fix bug when
1160         assigning the source of liw1 to the source of liw2.
1161         (liw_candidate): Delete.  Code moved into extract_bundle.
1162         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1163         before swapping.
1164         * config/mn10300/predicates.md (liw_operand): New predicate.
1165         Allows registers and small integer constants.
1166         * config/mn10300/constraints.md (O): New constraint.  Accetps
1167         integers in the range -8 to +7 inclusive.
1168         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1169         for moving a small integer into a register.  Give this alternative
1170         LIW attributes.
1171         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1172         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1173         using the J,K,L and M constraints,
1174         (liw): Remove SI mode on second operands to allow for HI and QI
1175         mode values.
1176         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1177         instruction.
1178
1179 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         PR middle-end/47725
1182         * combine.c (cant_combine_insn_p): Check zero/sign extended
1183         hard registers.
1184
1185 2011-02-15  Richard Guenther  <rguenther@suse.de>
1186
1187         PR tree-optimization/47743
1188         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1189         for a non-type-compatible VN lookup bail out.
1190
1191 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1192
1193         * config/fr30/constraints.md: New file.
1194         * config/fr30/fr30.md: Include it.
1195         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1196         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1197         (EXTRA_CONSTRAINT): Delete.
1198
1199 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1200
1201         * config/frv/constraints.md: New file.
1202         * config/frv/predicates.md: Include it.
1203         * config/frv/frv.c (reg_class_from_letter): Delete.
1204         (frv_option_override): Don't initialize it.
1205         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1206         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1207         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1208         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1209         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1210         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1211         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1212         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1213         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1214         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1215         (REG_CLASS_FROM_CONSTRAINT): Delete.
1216
1217 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR middle-end/47581
1220         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1221         if frame size is 0 in a leaf function.
1222
1223 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1224
1225         PR pch/14940
1226         * config/alpha/host-osf.c: New file.
1227         * config/alpha/x-osf: New file.
1228         * config.host (alpha*-dec-osf*): Use it.
1229
1230 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1231
1232         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1233         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1234         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1235         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1236         type to const_rtx.
1237         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1238
1239 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1240
1241         * config/stormy16/constraints.md: New file.
1242         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1243         Use satisfies_constraint_Q and satisfies_constraint_R.
1244         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1245         Delete.
1246         (xstormy16_legitiamte_address_p): Declare.
1247         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1248         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1249         (EXTRA_CONSTRAINT): Delete.
1250         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1251         Un-staticize.
1252         (xstormy16_extra_constraint_p): Delete.
1253
1254 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1255
1256         PR tree-optimization/46494
1257         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1258         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1259         (pass_rtl_loop_done): Add TODO_verify_flow.
1260         * fwprop.c (pass_rtl_fwprop): Likewise.
1261         * modulo-sched.c (pass_sms): Likewise.
1262         * tree-ssa-dom.c (pass_dominator): Likewise.
1263         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1264         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1265         (pass_tree_loop_done): Likewise.
1266         * tree-ssa-pre.c (execute_pre): Likewise.
1267         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1268         * tree-ssa-sink.c (pass_sink_code): Likewise.
1269         * tree-vrp.c (pass_vrp): Likewise.
1270
1271 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1272
1273         * config/v850/constraints.md: New file.
1274         * config/v850/v850.md: Include it.
1275         * config/v850/predicates.md (reg_or_0_operand): Use
1276         satisfies_constraint_G.
1277         (special_symbolref_operand): Use satisfies_constraint_K.
1278         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1279         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1280         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1281         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1282         (EXTRA_CONSTRAINT): Delete.
1283         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1284         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1285         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1286
1287 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1288
1289         PR target/47696
1290         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1291         description.
1292
1293 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1294
1295         * config/mcore/constraints.md: New file.
1296         * config/mcore/mcore.md: Include it.
1297         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1298         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1299         (REG_CLASS_FROM_LETTER): Delete.
1300         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1301         insn_const_int_ok_for_constraint.
1302         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1303         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1304         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1305         (EXTRA_CONSTRAINT): Delete.
1306
1307 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1308
1309         PR ada/41929
1310         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1311         (IS_SIGHANDLER): Define.
1312         (sparc64_is_sighandler): New function, split off from
1313         sparc64_fallback_frame_state.
1314         (sparc_is_sighandler): New function, split off from
1315         sparc_fallback_frame_state.
1316         (sparc64_fallback_frame_state): Merge with ...
1317         (sparc_fallback_frame_state): ... this into ...
1318         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1319         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1320         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1321         stack instead of hardcoded offsets.
1322
1323 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1324
1325         PR target/45808
1326         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1327
1328 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1329
1330         * configure: Regenerate.
1331
1332 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1333
1334         PR driver/45731
1335         * gcc.c (asm_options): Correct spec matching --target-help.
1336
1337 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1338
1339         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1340         to gimple call error.
1341
1342 2011-02-12  Mike Stump  <mikestump@comcast.net>
1343
1344         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1345         comments in backslash regions.
1346
1347 2011-02-12  Mike Stump  <mikestump@comcast.net>
1348             Jakub Jelinek  <jakub@redhat.com>
1349             Iain Sandoe  <iains@gcc.gnu.org>
1350
1351         PR target/47324
1352         * dwarf2out.c (output_cfa_loc): When required, apply the
1353         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1354         (output_loc_sequence): Likewise.
1355         (output_loc_operands_raw): Likewise.
1356         (output_loc_sequence_raw): Likewise.
1357         (output_cfa_loc): Likewise.
1358         (output_loc_list): Suppress register number adjustment when
1359         calling output_loc_sequence()
1360         (output_die): Likewise.
1361
1362 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1363
1364         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1365         Remove macros.
1366         * config/xtensa/xtensa.c (xtensa_register_move_cost,
1367         xtensa_memory_move_cost): New functions.
1368         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
1369
1370 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
1371
1372         PR lto/47225
1373         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
1374         in the current directory.
1375         * configure: Rebuilt.
1376
1377 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1378
1379         * config/darwin.c (darwin_override_options): Add a hunk missed
1380         from the commit of r168571.  Trim comment line lengths and
1381         correct indents of the preceding block.
1382
1383 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1384
1385         * gcc.c (driver_handle_option): Concatenate the argument to -F with
1386         the switch.
1387
1388 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1389
1390         * common.opt (nostartfiles): New Driver option.
1391
1392 2011-02-11  Xinliang David Li  <davidxl@google.com>
1393
1394         PR tree-optimization/47707
1395         * tree-chrec.c (convert_affine_scev): Keep type precision.
1396
1397 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1398
1399         PR tree-optimization/47420
1400         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
1401
1402 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
1403
1404         PR rtl-optimization/47614
1405         * rtl.h (check_for_inc_dec): Declare.
1406         * dse.c (check_for_inc_dec): Externalize...
1407         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
1408         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
1409
1410 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1411
1412         PR driver/47678
1413         * gcc.c (main): Do not compile inputs if there were errors in
1414         option handling.
1415         * opts-common.c (read_cmdline_option): Check for wrong language
1416         after other error checks.
1417
1418 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1419
1420         * cgraph.c: Fix comment typos.
1421         * cgraph.h: Likewise.
1422         * cgraphunit.c: Likewise.
1423         * ipa-cp.c: Likewise.
1424         * ipa-inline.c: Likewise.
1425         * ipa-prop.c: Likewise.
1426         * ipa-pure-const.c: Likewise.
1427         * ipa-ref.c: Likewise.
1428         * ipa-reference.c: Likewise.
1429
1430 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1431
1432         PR debug/47684
1433         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1434
1435 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1436
1437         PR testsuite/47400
1438         * doc/sourcebuild.texi (Require Support): Document
1439         dg-require-ascii-locale.
1440
1441 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1442
1443         * doc/lto.texi (Write summary): Fix missing parentheses.
1444
1445 2011-02-10  DJ Delorie  <dj@redhat.com>
1446
1447         * config/m32c/m32c.c (m32c_option_override): Disable
1448         -fcombine-stack-adjustments until flag value tracking and compare
1449         optimization can be rewritten.
1450
1451 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1452
1453         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1454         PROCESSOR_POWER7.
1455         (PROCESSOR_DEFAULT64): Likewise.
1456
1457 2011-02-10  Richard Henderson  <rth@redhat.com>
1458
1459         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1460         change from 2011-02-03.
1461         * config/rx/rx.c (flags_from_code): Likewise.
1462         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1463         is valid, n/pz otherwise.
1464         (rx_select_cc_mode): Return CCmode if Y is not zero.
1465
1466 2011-02-10  Richard Guenther  <rguenther@suse.de>
1467
1468         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1469
1470 2011-02-10  Richard Guenther  <rguenther@suse.de>
1471
1472         PR tree-optimization/47677
1473         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1474
1475 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR target/47665
1478         * combine.c (make_compound_operation): Only change shifts into
1479         multiplication for SCALAR_INT_MODE_P.
1480
1481 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1482
1483         PR testsuite/47622
1484         Revert
1485         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1486         PR debug/42631
1487         * web.c (entry_register): Don't clobber the number of the
1488         first uninitialized reference in used[].
1489
1490 2011-02-09  Richard Guenther  <rguenther@suse.de>
1491
1492         PR tree-optimization/47664
1493         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1494         all edges again.
1495
1496 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1497
1498         PR target/46481
1499         PR target/47032
1500         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1501         PROCESSOR_POWER7.
1502         (PROCESSOR_DEFAULT64): Same.
1503         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1504
1505 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1506
1507         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1508
1509 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1510
1511         PR middle-end/45505
1512         * tree-sra.c (struct access): New flags grp_scalar_read and
1513         grp_scalar_write.  Changed description of assignment read and write
1514         flags.
1515         (dump_access): Dump new flags, reorder all of them.
1516         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1517         to detect multiple scalar reads.
1518         (analyze_access_subtree): Use the new scalar read write flags instead
1519         of the old flags.  Adjusted comments.
1520
1521 2011-02-08  DJ Delorie  <dj@redhat.com>
1522
1523         PR target/47548
1524         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1525         patterns.
1526
1527 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1528
1529         * config/m68k/uclinux.opt: New.
1530         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1531
1532 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1533
1534         * config/cris/elf.opt (sim): New Driver option.
1535
1536 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1537
1538         * config/xtensa/elf.opt: New.
1539         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1540
1541 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1542
1543         * config/vax/elf.opt: New.
1544         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1545
1546 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1547
1548         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1549
1550 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1551
1552         * config/gnu-user.opt: New.
1553         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1554         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1555         *-*-uclinux*): Use gnu-user.opt.
1556
1557 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1558
1559         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1560         * config/i386/gnu.h (CPP_SPEC): Likewise.
1561
1562 2011-02-08  Ian Lance Taylor  <iant@google.com>
1563
1564         * common.opt (fcx-limited-range): Add SetByCombined flag.
1565         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1566         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1567         (fassociative-math, freciprocal-math): Likewise.
1568         (funsafe-math-optimizations): Likewise.
1569         * opth-gen.awk: Handle SetByCombined.
1570         * optc-gen.awk: Likewise.
1571         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1572         (set_unsafe_math_optimizations_flags): Likewise.
1573         * doc/options.texi (Option properties): Document SetByCombined.
1574
1575 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1576
1577         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1578         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1579         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1580         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1581         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1582
1583 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1584
1585         PR tree-optimization/46834
1586         PR tree-optimization/46994
1587         PR tree-optimization/46995
1588         * graphite-sese-to-poly.c (used_outside_reduction): New.
1589         (detect_commutative_reduction): Call used_outside_reduction.
1590         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1591         translate_scalar_reduction_to_array only when at least one
1592         loop-phi/close-phi tuple has been detected.
1593
1594 2011-02-08  Richard Guenther  <rguenther@suse.de>
1595
1596         PR middle-end/47639
1597         * tree-vect-generic.c (expand_vector_operations_1): Update
1598         stmts here ...
1599         (expand_vector_operations): ... not here.  Cleanup EH info
1600         and the CFG if required.
1601
1602 2011-02-08  Richard Guenther  <rguenther@suse.de>
1603
1604         PR tree-optimization/47641
1605         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1606         require type compatibility.
1607
1608 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1609
1610         * gimple-low.c (lower_function_body): Don't remove the location of
1611         the return statement here.
1612         (lower_gimple_return): Do it here instead but only if the return
1613         statement is actually used twice.
1614
1615 2011-02-08  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/47632
1618         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1619         unused up_to_stmt parameter, return whether cfg-cleanup is
1620         necessary, remove EH info properly.
1621         (forward_propagate_into_gimple_cond): Adjust caller.
1622         (forward_propagate_into_cond): Likewise.
1623         (forward_propagate_comparison): Likewise.
1624         (tree_ssa_forward_propagate_single_use_vars): Make
1625         forward_propagate_comparison case similar to the two others.
1626
1627 2011-02-08  Nick Clifton  <nickc@redhat.com>
1628
1629         * config/mn10300/mn10300.opt (mliw): New command line option.
1630         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1631         (liw_bundling): New automaton.
1632         (liw): New attribute.
1633         (liw_op): New attribute.
1634         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1635         (movsi_internal): Add LIW attributes.
1636         (andsi3): Likewise.
1637         (iorsi3): Likewise.
1638         (xorsi3): Likewise.
1639         (addsi3): Separate register and immediate alternatives.
1640         Add LIW attributes.
1641         (subsi3): Likewise.
1642         (cmpsi): Likewise.
1643         (aslsi3): Likewise.
1644         (lshrsi3): Likewise.
1645         (ashrsi3): Likewise.
1646         (liw): New pattern.
1647         * config/mn10300/mn10300.c (liw_op_names): New
1648         (mn10300_print_operand): Handle 'W' operand descriptor.
1649         (extract_bundle): New function.
1650         (check_liw_constraints): New function.
1651         (liw_candidate): New function.
1652         (mn10300_bundle_liw): New function.
1653         (mn10300_reorg): New function.
1654         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1655         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1656         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1657         __LIW__ or __NO_LIW__.
1658         * doc/invoke.texi: Describe the -mliw command line option.
1659
1660 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1661
1662         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1663         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1664         pthread_mutex_unlock): Remove.
1665         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1666         * config/pa/t-pa64: Likewise.
1667         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1668         shared libc if not linking against libpthread.
1669         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1670
1671 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1672
1673         PR target/47558
1674         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1675         on 10.6 and later to ensure that we always use the unwinder from
1676         the system.  Only add -no_compact_unwind when tarteting darwin
1677         10.6 or later.
1678
1679 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1680
1681         PR target/46997
1682         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1683         (vec_interleave_lowv2sf): Ditto.
1684         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1685         (vec_extract_oddv2sf): Ditto.
1686
1687 2011-02-07  Mike Stump  <mikestump@comcast.net>
1688
1689         PR target/42333
1690         Add __ieee_divdc3 entry point.
1691         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1692         entry point.
1693         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1694         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1695         * config/darwin.c (darwin_rename_builtins): Add.
1696         * config/darwin-protos.h (darwin_rename_builtins): Add.
1697
1698 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1699
1700         PR target/47636
1701         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1702         for the condition.
1703
1704 2011-02-07  Mike Stump  <mikestump@comcast.net>
1705
1706         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1707
1708 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1709
1710         PR target/47534
1711         * config/avr/libgcc.S (exit): Move .endfunc
1712
1713 2011-02-07  Richard Guenther  <rguenther@suse.de>
1714
1715         PR tree-optimization/47615
1716         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1717         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1718         (run_scc_vn): Initialize it.
1719         (visit_reference_op_load): Use it.
1720         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1721
1722 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1723
1724         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1725         DImode trapping arithmetic libfuncs.
1726
1727 2011-02-07  Richard Guenther  <rguenther@suse.de>
1728
1729         PR tree-optimization/47621
1730         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1731         two duplicates ...
1732         (execute_update_addresses_taken): ... here.  Make it more
1733         conservative in what we accept.
1734
1735 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1736
1737         * config/sparc/freebsd.h (ASM_SPEC): Define.
1738         * config/sparc/vxworks.h (ASM_SPEC): Define.
1739
1740 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1741
1742         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1743
1744 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1745
1746         * doc/invoke.texi: Remove reference to compiler internals from
1747         user documentation.
1748
1749         * reg-notes.def: Remove REG_VALUE_PROFILE.
1750         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1751
1752 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1753
1754         PR middle-end/47610
1755         * varasm.c (default_section_type_flags): If decl is NULL,
1756         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1757
1758 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1759
1760         PR debug/42631
1761         * web.c (entry_register): Don't clobber the number of the
1762         first uninitialized reference in used[].
1763
1764 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         PR tree-optimization/46194
1767         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1768         (build_classic_dist_vector_1): Do not represent classic distance
1769         vectors when the access functions are variating in different loops.
1770
1771 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1772
1773         * config/mips/iris6.opt: New.
1774         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1775
1776 2011-02-04  Richard Henderson  <rth@redhat.com>
1777             Steve Ellcey  <sje@cup.hp.com>
1778
1779         PR target/46997
1780         * config/ia64/predicates.md (mux1_brcst_element): New.
1781         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1782         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1783         (ia64_unpack_sign): New.
1784         (ia64_expand_unpack): Rewrite using new routines.
1785         (ia64_expand_widen_sum): Ditto.
1786         (ia64_expand_dot_prod_v8qi): Ditto.
1787         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1788         routines, add endian check.
1789         (pmpy2_even): Rename from pmpy2_r, add endian check.
1790         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1791         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1792         (vec_widen_smult_hi_v4hi): Ditto.
1793         (vec_widen_umult_lo_v4hi): Ditto.
1794         (vec_widen_umult_hi_v4hi): Ditto.
1795         (mulv2si3): Change endian checks.
1796         (sdot_prodv4hi): Rewrite with new calls.
1797         (udot_prodv4hi): New.
1798         (vec_pack_ssat_v4hi): Add endian check.
1799         (vec_pack_usat_v4hi): Ditto.
1800         (vec_pack_ssat_v2si): Ditto.
1801         (max1_even): Rename from max1_r, add endian check.
1802         (max1_odd): Rename from max1_l, add endian check.
1803         (*mux1_rev): Format change.
1804         (*mux1_mix): Ditto.
1805         (*mux1_shuf): Ditto.
1806         (*mux1_alt): Ditto.
1807         (*mux1_brcst_v8qi): Use new predicate.
1808         (vec_extract_evenv8qi): Remove endian check.
1809         (vec_extract_oddv8qi): Ditto.
1810         (vec_interleave_lowv4hi): Format change.
1811         (vec_interleave_highv4hi): Ditto.
1812         (mix2_even): Rename from mix2_r, add endian check.
1813         (mix2_odd): Rename from mux2_l, add endian check.
1814         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1815         (vec_extract_evenodd_helper): Format change.
1816         (vec_extract_evenv4hi): Remove endian check.
1817         (vec_extract_oddv4hi): Remove endian check.
1818         (vec_interleave_lowv2si): Format change.
1819         (vec_interleave_highv2si): Format change.
1820         (vec_initv2si): Remove endian check.
1821         (vecinit_v2si): Add endian check.
1822         (reduc_splus_v2sf): Add endian check.
1823         (reduc_smax_v2sf): Ditto.
1824         (reduc_smin_v2sf): Ditto.
1825         (vec_initv2sf): Remove endian check.
1826         (fpack): Add endian check.
1827         (fswap): Add endian check.
1828         (vec_interleave_highv2sf): Add endian check.
1829         (vec_interleave_lowv2sf): Add endian check.
1830         (fmix_lr): Add endian check.
1831         (vec_setv2sf): Format change.
1832         (*vec_extractv2sf_0_be): Use shift to extract operand.
1833         (*vec_extractv2sf_1_be): New.
1834         (vec_pack_trunc_v4hi): Add endian check.
1835         (vec_pack_trunc_v2si): Format change.
1836
1837 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1838
1839         PR inline-asm/23200
1840         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1841         do bb, locus and block comparison and disallow loads if it is not set.
1842         (stmt_is_replaceable_p): New function.
1843         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1844         callers.
1845         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1846         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1847         SSA_NAME_DEF_STMT.
1848         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1849
1850 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1851
1852         * config/rs6000/xilinx.opt: New.
1853         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1854
1855 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1856
1857         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1858
1859 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1860
1861         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1862         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1863         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1864         secondary_reload_info, xtensa_secondary_reload): Remove.
1865         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1866         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1867         (xtensa_preferred_reload_class): Make static. Change return and
1868         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1869         Use CONST_DOUBLE_P predicate.
1870         (xtensa_preferred_output_reload_class): New function.
1871         (xtensa_secondary_reload): Make static.
1872
1873 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1874
1875         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1876         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1877         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1878
1879 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1880
1881         PR middle-end/31490
1882         * output.h (SECTION_RELRO): Define.
1883         (SECTION_MACH_DEP): Adjust.
1884         (get_variable_section): New prototype.
1885         * varpool.c (varpool_finalize_named_section_flags): New function.
1886         (varpool_assemble_pending_decls): Call it.
1887         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1888         * cgraphunit.c (cgraph_output_in_order): Call
1889         varpool_finalize_named_section_flags.
1890         * varasm.c (get_section): Allow section flags conflicts between
1891         relro and read-only sections if the section hasn't been declared yet.
1892         Set SECTION_OVERRIDE after diagnosing section type conflict.
1893         (get_variable_section): No longer static.
1894         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1895         readonly sections that need relocations.
1896         (decl_readonly_section_1): New function.
1897         (decl_readonly_section): Use it.
1898
1899         Revert:
1900         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1901                     Steve Ellcey  <sje@cup.hp.com>
1902
1903         PR middle-end/31490
1904         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1905         if section attribute used.
1906
1907 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1908
1909         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1910         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1911         (darwin_init_sections): Remove assertion.
1912
1913 2011-02-03  Nick Clifton  <nickc@redhat.com>
1914
1915         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1916         lt and ge.
1917         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1918         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1919         instead of "n" and "pz".
1920         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1921         CC_FLAG_S.
1922
1923 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1924
1925         PR target/47312
1926         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1927         fma, expand FMA_EXPR as fma{,f,l} call.
1928
1929         PR lto/47274
1930         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1931         copy them into a unsigned char variable and pass address of it to
1932         lto_output_data_stream.
1933
1934         PR target/47564
1935         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1936         around backend_init_target and lang_dependent_init_target calls.
1937         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1938         (verify_cgraph_node): Don't call set_cfun here.  Use
1939         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1940         Set error_found for incorrectly represented calls to thunks.
1941
1942 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1943
1944         PR debug/43092
1945         PR rtl-optimization/43494
1946         * rtl.h (for_each_inc_dec_fn): New type.
1947         (for_each_inc_dec): Declare.
1948         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1949         (for_each_inc_dec_find_inc_dec): New fn.
1950         (for_each_inc_dec_find_mem): New fn.
1951         (for_each_inc_dec): New fn.
1952         * dse.c (struct insn_size): Remove.
1953         (replace_inc_dec, replace_inc_dec_mem): Remove.
1954         (emit_inc_dec_insn_before): New fn.
1955         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1956         (canon_address): Pass mem modes to cselib_lookup.
1957         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1958         (cselib_lookup_from_insn): Likewise.
1959         (cselib_subst_to_values): Likewise.
1960         * cselib.c (find_slot_memmode): New var.
1961         (cselib_find_slot): New fn.  Use it instead of
1962         htab_find_slot_with_hash everywhere.
1963         (entry_and_rtx_equal_p): Use find_slot_memmode.
1964         (autoinc_split): New fn.
1965         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1966         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1967         Deal with autoinc.  Special-case recursion into MEMs.
1968         (cselib_hash_rtx): Likewise.
1969         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1970         address and MEM modes.
1971         (cselib_subst_to_values): Add memmode, pass it on.
1972         Deal with autoinc.
1973         (cselib_lookup): Add memmode argument, pass it on.
1974         (cselib_lookup_from_insn): Add memmode.
1975         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1976         (struct cselib_record_autoinc_data): New.
1977         (cselib_record_autoinc_cb): New fn.
1978         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1979         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1980         (cselib_process_insn): ... here.
1981         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1982         to cselib_lookup.
1983         (add_uses): Likewise, also to cselib_subst_to_values.
1984         (add_stores): Likewise.
1985         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1986         cselib_subst_to_values.
1987         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1988         * gcse.c (do_local_cprop): Adjusted.
1989         * postreload.c (reload_cse_simplify_set): Adjusted.
1990         (reload_cse_simplify_operands): Adjusted.
1991         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1992
1993 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1994
1995         PR tree-optimization/45122
1996         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1997         unsafe assumptions when there's more than one loop exit.
1998
1999 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2000
2001         PR target/47272
2002         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
2003         Document using vector double with the load/store builtins, and
2004         that the load/store builtins always use Altivec instructions.
2005
2006         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
2007         to use altivec memory instructions, even on VSX.
2008         (vector_altivec_store_<mode>): Ditto.
2009
2010         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
2011         function.
2012
2013         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2014         V2DF, V2DI support to load/store overloaded builtins.
2015
2016         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
2017         altivec load/store builtins for V2DF/V2DI types.
2018
2019         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
2020         set avoid indexed addresses on power6 if -maltivec.
2021         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
2022         vector_altivec_load/vector_altivec_store builtins.
2023         (altivec_expand_st_builtin): Ditto.
2024         (altivec_expand_builtin): Add VSX memory builtins.
2025         (rs6000_init_builtins): Add V2DI types to internal types.
2026         (altivec_init_builtins): Add support for V2DF/V2DI altivec
2027         load/store builtins.
2028         (rs6000_address_for_altivec): Insure memory address is appropriate
2029         for Altivec.
2030
2031         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
2032         vec_vsx_ld and vec_vsx_st.
2033         (vsx_store_<mode>): Ditto.
2034
2035         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
2036         variables to hold long long types for VSX vector memory builtins.
2037         (RS6000_BTI_unsigned_long_long): Ditto.
2038         (long_long_integer_type_internal_node): Ditti.
2039         (long_long_unsigned_type_internal_node): Ditti.
2040
2041         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
2042         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
2043         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
2044
2045         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
2046         short cuts.
2047         (vec_vsx_st): Ditto.
2048
2049 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2050
2051         * config/pa/pa-hpux10.opt: New.
2052         * config/hpux11.opt (pthread): New Driver option.
2053         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
2054         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
2055
2056 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2057
2058         * config/ia64/vms.opt: New.
2059         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
2060
2061 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2062
2063         PR target/47580
2064         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
2065         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
2066         generator functions.
2067         (vsx_floatuns<VSi><mode>2): Ditto.
2068         (vsx_fix_trunc<mode><VSi>2): Ditto.
2069         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
2070
2071 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2072
2073         * config/i386/djgpp.opt (posix): New Driver option.
2074
2075 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2076
2077         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
2078         Move to the unsupported targets list.
2079
2080 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
2081
2082         PR rtl-optimization/47525
2083         * df-scan.c: Update copyright years.
2084         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
2085         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2086
2087 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2088
2089         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2090         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2091         (ASM_OUTPUT_ASCII): Remove.
2092         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2093
2094 2011-02-02  Jeff Law  <law@redhat.com>
2095
2096         PR middle-end/47543
2097         * reload.c (find_reloads_address): Handle reg+d address where both
2098         components are invalid by reloading the entire address.
2099
2100 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2101             Richard Guenther  <rguenther@suse.de>
2102
2103         PR tree-optimization/40979
2104         PR bootstrap/47044
2105         * passes.c (init_optimization_passes): After LIM call copy_prop
2106         and DCE to clean up.
2107         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2108
2109 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         PR tree-optimization/47576
2112         PR tree-optimization/47555
2113         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2114         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2115         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2116         * tree-scalar-evolution.c (follow_ssa_edge): Use
2117         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2118
2119 2011-02-02  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/47566
2122         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2123
2124 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2125
2126         PR debug/47106
2127         PR debug/47402
2128         * tree-inline.c (declare_return_variable): Remove unused caller
2129         variable.
2130
2131         PR debug/47106
2132         PR debug/47402
2133         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2134         * cfgexpand.c (account_used_vars_for_block): Use them.
2135         * tree-nrv.c (tree_nrv): Likewise.
2136         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2137         (dump_scope_block): Likewise.
2138         (remove_unused_locals): Likewise.
2139
2140         PR debug/47106
2141         PR debug/47402
2142         * tree-inline.c (declare_return_variable): Add result decl to
2143         local decls only once.
2144         * gimple-low.c (record_vars_into): Mark newly-created variables
2145         as referenced.
2146
2147 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2148
2149         PR debug/47498
2150         PR debug/47501
2151         PR debug/45136
2152         PR debug/45130
2153         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2154         debug insns.
2155         (no_real_insns_p, schedule_block, set_priorities): Drop special
2156         treatment of boundary debug insns.
2157         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2158         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2159         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2160         (BOUNDARY_DEBUG_INSN_P): Likewise.
2161         (SCHEDULE_DEBUG_INSN_P): Likewise.
2162         * sched-rgn.c (init_ready_list): Drop special treatment of
2163         boundary debug insns.
2164         * final.c (rest_of_clean_state): Clear notes' BB.
2165
2166 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2167
2168         * config/openbsd.opt (assert=): New Driver option.
2169
2170 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2171
2172         * config/i386/nto.opt: New.
2173         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2174
2175 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2176
2177         * config/i386/netware.opt: New.
2178         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2179
2180 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2181
2182         * config/interix.opt (posix): New Driver option.
2183
2184 2011-02-01  DJ Delorie  <dj@redhat.com>
2185
2186         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2187
2188         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2189         class for A0/A1.
2190
2191 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2192
2193         PR tree-optimization/47561
2194         * toplev.c (process_options): Print the Graphite flags.  Add
2195         flag_loop_flatten to the list of options requiring Graphite.
2196
2197 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2198
2199         * config/i386/cygming.opt (posix): New Driver option.
2200
2201 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2202
2203         * config/arm/vxworks.opt: New.
2204         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2205
2206 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2207
2208         * config/alpha/elf.opt: New.
2209         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2210         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2211
2212 2011-02-01  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/47559
2215         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2216         store-motion on references that can throw.
2217
2218 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2219
2220         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2221         * tree-pass.h (TDF_CSELIB): New macro.
2222         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2223         cselib_lookup): Check for it rather than for TDF_DETAILS.
2224
2225 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2226
2227         PR driver/47547
2228         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2229         is HOST_BIT_BUCKET.
2230
2231         * opts.c (finish_options): Don't add x_aux_base_name if it is
2232         HOST_BIT_BUCKET.
2233
2234 2011-02-01  Richard Guenther  <rguenther@suse.de>
2235
2236         PR tree-optimization/47555
2237         Revert
2238         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2241
2242 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2243
2244         PR gcc/46692
2245         * config/lm32/t-lm32: Add multilib for all CPU options.
2246
2247 2011-02-01  Richard Guenther  <rguenther@suse.de>
2248
2249         PR tree-optimization/47541
2250         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2251         sure to have a field at offset zero.
2252
2253 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2254
2255         * config/arc/arc.opt (EB, EL): New Driver options.
2256
2257 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2258
2259         * config/alpha/osf5.opt: New.
2260         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2261
2262 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2263
2264         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2265
2266 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2267
2268         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2269         -floop-interchange.
2270         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2271         is an alias of -floop-interchange and that it requires the
2272         Graphite infrastructure.
2273         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2274         flag_loop_interchange based on the value of flag_tree_loop_linear.
2275
2276 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2277             Richard Guenther  <rguenther@suse.de>
2278
2279         PR tree-optimization/47538
2280         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2281         type instead of r1type, except for comparisons.  For right
2282         shifts and comparisons punt if there are mismatches in
2283         sizetype vs. non-sizetype types.
2284
2285 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2286
2287         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2288         avx_runtime.
2289
2290 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2291
2292         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2293         version number.
2294         * configure: Regenerate.
2295
2296 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2297
2298         * configure.ac (gcc_cv_ld_static_option): Define.
2299         (gcc_cv_ld_dynamic_option): Define.
2300         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2301         instead.
2302         (HAVE_LD_STATIC_DYNAMIC): Update message.
2303         (LD_STATIC_OPTION): Define.
2304         (LD_DYNAMIC_OPTION): Define.
2305         * configure: Regenerate.
2306         * config.in: Regenerate.
2307         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2308         HAVE_LD_STATIC_DYNAMIC]: Use them.
2309
2310 2011-01-31  Nick Clifton  <nickc@redhat.com>
2311
2312         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2313         registers inside interrupt handlers if the handler is not a leaf
2314         function.
2315
2316 2011-01-31  Nick Clifton  <nickc@redhat.com>
2317
2318         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2319         reg_renumber returning an INVALID_REGNUM.
2320
2321 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2322
2323         PR libgcj/44341
2324         * doc/install.texi: Document host options discarded when cross
2325         configuring target libraries.
2326
2327 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2328
2329         Reverted:
2330         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2331         PR debug/45136
2332         PR debug/45130
2333         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2334         debug insns.
2335         (no_real_insns_p, schedule_block, set_priorities): Drop special
2336         treatment of boundary debug insns.
2337         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2338         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2339         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2340         (BOUNDARY_DEBUG_INSN_P): Likewise.
2341         (SCHEDULE_DEBUG_INSN_P): Likewise.
2342         * sched-rgn.c (init_ready_list): Drop special treatment of
2343         boundary debug insns.
2344         * final.c (rest_of_clean-state): Clear notes' BB.
2345
2346 2011-01-31  Alan Modra  <amodra@gmail.com>
2347
2348         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2349         toc relative expressions as we do in print_operand_address.
2350
2351 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2352
2353         * doc/extend.texi: Follow spelling conventions.
2354         * doc/invoke.texi: Fix a typo.
2355
2356 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2357
2358         * config/hpux11.opt: New.
2359         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2360         ia64*-*-hpux*): Use hpux11.opt.
2361
2362 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2363
2364         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
2365         to tmake_file.
2366
2367 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2368
2369         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
2370         support sites.
2371
2372 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2373
2374         * doc/install.texi (Binaries): Remove outdated reference for
2375         Motorola 68HC11/68HC12 downloads.
2376
2377 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2378
2379         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
2380         Drepper's paper.
2381
2382 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
2383
2384         PR bootstrap/47147
2385         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
2386         used by NetBSD.
2387
2388 2011-01-28  Ahmad Sharif  <asharif@google.com>
2389
2390         * value-prof.c (check_counter): Corrected error message.
2391
2392 2011-01-29  Jie Zhang  <jie@codesourcery.com>
2393
2394         * config/arm/arm.c (arm_legitimize_reload_address): New.
2395         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
2396         arm_legitimize_reload_address.
2397         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
2398
2399 2011-01-28  Ian Lance Taylor  <iant@google.com>
2400
2401         * godump.c (go_define): Ignore macros whose definitions include
2402         two adjacent operands.
2403
2404 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR target/42894
2407         * varasm.c (force_const_mem): Store copy of x in desc->constant
2408         instead of x itself.
2409         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
2410         itself into REG_EQUAL note.
2411
2412 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2413
2414         * config/freebsd.opt (posix, rdynamic): New Driver options.
2415
2416 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2417
2418         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2419         -Bstatic/-Bdynamic.
2420         * configure: Regenerate.
2421
2422 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2423
2424         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2425         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2426
2427 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2428
2429         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2430         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2431         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2432         (s390_preferred_reload_class): Make static. Change return and
2433         'rclass' argument type to reg_class_t.
2434
2435 2011-01-27  Jan Hubicka  <jh@suse.cz>
2436
2437         PR middle-end/46949
2438         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2439         (process_function_and_variable_attributes): Check defined weakrefs.
2440
2441 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2442
2443         PR tree-optimization/47228
2444         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2445         build_ref_for_offset.
2446
2447 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2448
2449         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2450
2451 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2452
2453         PR rtl-optimization/46856
2454         * postreload.c (reload_combine_recognize_const_pattern): Do not
2455         separate cc0 setter and user on cc0 targets.
2456
2457 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2458
2459         PR c/43082
2460         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2461         passed a VOID_TYPE expression, immediately emit an error and
2462         return error_mark_node.
2463
2464 2011-01-26  Jeff Law  <law@redhat.com>
2465
2466         PR rtl-optimization/47464
2467         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2468         rather than may_trap_p as needed.
2469
2470 2011-01-26  DJ Delorie  <dj@redhat.com>
2471
2472         PR rtl-optimization/46878
2473         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2474         setter/user dependency as well.
2475
2476 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2477
2478         PR rtl-optimization/44469
2479         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2480         after removing trivially dead basic blocks.
2481
2482 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2483
2484         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2485         * config/frv/frv.h (LINK_SPEC): Likewise.
2486         * config/i386/netware.h (LINK_SPEC): Likewise.
2487         * config/m68k/linux.h (ASM_SPEC): Likewise.
2488         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2489         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2490         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2491         * config/sparc/linux.h (ASM_SPEC): Likewise.
2492         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2493         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2494
2495 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2496
2497         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2498         * config/frv/frv.h (ASM_SPEC): Likewise.
2499         * config/m68k/linux.h (ASM_SPEC): Likewise.
2500         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2501         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2502         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2503         * config/sparc/linux.h (ASM_SPEC): Likewise.
2504         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2505         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2506
2507 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2508
2509         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2510         * config/frv/frv.h (LINK_SPEC): Likewise.
2511         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2512
2513 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2514
2515         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2516         * config/frv/frv.h (ASM_SPEC): Likewise.
2517         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2518         * config/m68k/linux.h (ASM_SPEC): Likewise.
2519         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2520         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2521         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2522         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2523         * config/sparc/linux.h (ASM_SPEC): Likewise.
2524         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2525         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2526         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2527
2528 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2529
2530         PR target/46997
2531         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2532         (*mux2): Ditto.
2533         (vec_extract_evenodd_help): Ditto.
2534         (vec_extract_evenv4hi): Ditto.
2535         (vec_extract_oddv4hi): Ditto.
2536         (vec_interleave_lowv2si): Ditto.
2537         (vec_interleave_highv2si): Ditto.
2538         (vec_extract_evenv2si): Ditto.
2539         (vec_extract_oddv2si: Ditto.
2540         (vec_pack_trunc_v2si): Ditto.
2541
2542 2011-01-22  Jan Hubicka  <jh@suse.cz>
2543
2544         PR target/47237
2545         * cgraph.h (cgraph_local_info): New field can_change_signature.
2546         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2547         signature can change.
2548         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2549         can change.
2550         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2551         (cgraph_function_versioning): We can not change signature of functions
2552         that don't allow that.
2553         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2554         (lto_input_node): Likewise.
2555         * ipa-inline.c (compute_inline_parameters): Compute
2556         local.can_change_signature.
2557         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2558         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2559         functions that can not change signature.
2560         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2561         init_cumulative_args): Do not use local calling conventions
2562         for functions that can not change signature.
2563
2564 2011-01-22  Jan Hubicka  <jh@suse.cz>
2565
2566         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2567
2568 2011-01-26  Richard Guenther  <rguenther@suse.de>
2569
2570         PR tree-optimization/47190
2571         * cgraphunit.c (process_common_attributes): New function.
2572         (process_function_and_variable_attributes): Use it.
2573
2574 2011-01-26  Richard Guenther  <rguenther@suse.de>
2575
2576         PR lto/47423
2577         * cgraphbuild.c (record_eh_tables): Record reference to personality
2578         function.
2579
2580 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2581
2582         PR debug/45454
2583         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2584         non-debug insns from moving up.
2585
2586 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2587
2588         PR target/40125
2589         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2590         t-dlldir{,-x} fragment for build and add it to tmake_file.
2591         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2592         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2593         * config/i386/t-dlldir: New file.
2594         (SHLIB_DLLDIR): Define.
2595         * config/i386/t-dlldir-x: New file.
2596         (SHLIB_DLLDIR): Define.
2597         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2598         (SHLIB_INSTALL): Use it.
2599
2600 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2601
2602         PR target/47246
2603         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2604         lower bound of the allowed Thumb-2 coprocessor load/store
2605         index range to -256. Add explaining comment.
2606
2607 2011-01-25  Ian Lance Taylor  <iant@google.com>
2608
2609         * godump.c (go_define): Improve lexing of macro expansion to only
2610         accept expressions which match Go spec.
2611
2612 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2613
2614         PR c++/43601
2615         * tree.c (handle_dll_attribute): Handle it.
2616         * doc/extend.texi (@item dllexport): Mention it.
2617         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2618
2619 2011-01-25  Ian Lance Taylor  <iant@google.com>
2620
2621         PR tree-optimization/26854
2622         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2623         (decl_jump_unsafe): Move higher in file, with no other change.
2624         (bind): Set has_jump_unsafe_decl if appropriate.
2625         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2626         (check_earlier_gotos): Likewise.
2627         (c_check_switch_jump_warnings): Likewise.
2628
2629 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2630
2631         * doc/invoke.texi (Warning Options): Add missing hyphen.
2632         (-fprofile-dir): Minor grammatical fixes.
2633         (-fbranch-probabilities): Likewise.
2634
2635 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2636
2637         PR debug/45136
2638         PR debug/45130
2639         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2640         debug insns.
2641         (no_real_insns_p, schedule_block, set_priorities): Drop special
2642         treatment of boundary debug insns.
2643         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2644         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2645         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2646         (BOUNDARY_DEBUG_INSN_P): Likewise.
2647         (SCHEDULE_DEBUG_INSN_P): Likewise.
2648         * sched-rgn.c (init_ready_list): Drop special treatment of
2649         boundary debug insns.
2650         * final.c (rest_of_clean-state): Clear notes' BB.
2651
2652 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2653
2654         * Makefile.in (LAMBDA_H): Removed.
2655         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2656         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2657         lambda-trans.o, and tree-loop-linear.o.
2658         (lto-symtab.o): Remove dependence on LAMBDA_H.
2659         (tree-loop-linear.o): Remove rule.
2660         (lambda-mat.o): Same.
2661         (lambda-trans.o): Same.
2662         (lambda-code.o): Same.
2663         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2664         (tree-vect-slp.o): Same.
2665         * hwint.h (gcd): Moved here.
2666         (least_common_multiple): Same.
2667         * lambda-code.c: Removed.
2668         * lambda-mat.c: Removed.
2669         * lambda-trans.c: Removed.
2670         * lambda.h: Removed.
2671         * tree-loop-linear.c: Removed.
2672         * lto-symtab.c: Do not include lambda.h.
2673         * omega.c (gcd): Removed.
2674         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2675         * tree-data-ref.c (print_lambda_vector): Moved here.
2676         (lambda_vector_copy): Same.
2677         (lambda_matrix_copy): Same.
2678         (lambda_matrix_id): Same.
2679         (lambda_vector_first_nz): Same.
2680         (lambda_matrix_row_add): Same.
2681         (lambda_matrix_row_exchange): Same.
2682         (lambda_vector_mult_const): Same.
2683         (lambda_vector_negate): Same.
2684         (lambda_matrix_row_negate): Same.
2685         (lambda_vector_equal): Same.
2686         (lambda_matrix_right_hermite): Same.
2687         * tree-data-ref.h: Do not include lambda.h.
2688         (lambda_vector): Moved here.
2689         (lambda_matrix): Same.
2690         (dependence_level): Same.
2691         (lambda_transform_legal_p): Removed declaration.
2692         (lambda_collect_parameters): Same.
2693         (lambda_compute_access_matrices): Same.
2694         (lambda_vector_gcd): Same.
2695         (lambda_vector_new): Same.
2696         (lambda_vector_clear): Same.
2697         (lambda_vector_lexico_pos): Same.
2698         (lambda_vector_zerop): Same.
2699         (lambda_matrix_new): Same.
2700         * tree-flow.h (least_common_multiple): Removed declaration.
2701         * tree-parloops.c (lambda_trans_matrix): Moved here.
2702         (LTM_MATRIX): Same.
2703         (LTM_ROWSIZE): Same.
2704         (LTM_COLSIZE): Same.
2705         (LTM_DENOMINATOR): Same.
2706         (lambda_trans_matrix_new): Same.
2707         (lambda_matrix_vector_mult): Same.
2708         (lambda_transform_legal_p): Same.
2709         * tree-pass.h (pass_linear_transform): Removed declaration.
2710         * tree-ssa-loop.c (tree_linear_transform): Removed.
2711         (gate_tree_linear_transform): Removed.
2712         (pass_linear_transform): Removed.
2713         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2714         flag_loop_interchange.
2715
2716 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2717
2718         PR tree-optimization/47265
2719         PR tree-optimization/47443
2720         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2721         if name still has some uses.
2722
2723 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2724
2725         PR tree-optimization/47382
2726         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2727         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2728
2729 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2730
2731         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2732         sjlj_except_unwind_info.
2733
2734 2011-01-25  Richard Guenther  <rguenther@suse.de>
2735
2736         PR tree-optimization/47426
2737         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2738         visible functions results escape.
2739
2740 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR target/45701
2743         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2744         (arm_get_frame_offsets): Use it.
2745
2746 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2747             Jakub Jelinek  <jakub@redhat.com>
2748
2749         PR tree-optimization/47271
2750         * tree-if-conv.c (bb_postdominates_preds): New.
2751         (if_convertible_bb_p): Call bb_postdominates_preds.
2752         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2753         (predicate_scalar_phi): Call bb_postdominates_preds.
2754
2755 2011-01-25  Nick Clifton  <nickc@redhat.com>
2756
2757         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2758         * config/rx/rx.c (rx_function_value): Likewise.
2759         (rx_promote_function_mode): Likewise.
2760         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2761         in order to make it legitimate.
2762         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2763         make sure that the first operand is the same as the result register.
2764         (addsi3_unspec): Delete.
2765         (subdi3): Do not accept immediate operands.
2766         (subdi3_internal): Likewise.
2767
2768 2011-01-25  Jeff Law  <law@redhat.com>
2769
2770         PR rtl-optimization/37273
2771         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2772         handle them like argument loads from stack slots.  Do not double
2773         count memory for memory constants and argument loads from stack slots.
2774
2775 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2776
2777         PR tree-optimization/47427
2778         PR tree-optimization/47428
2779         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2780         coalesce if the new root var would be TREE_READONLY.
2781
2782 2011-01-25  Richard Guenther  <rguenther@suse.de>
2783
2784         PR middle-end/47414
2785         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2786         correct type for TBAA.
2787
2788 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2791         (close_phi_written_to_memory): Call for_each_index with
2792         dr_indices_valid_in_loop.
2793
2794 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2797         when it is initialized.
2798
2799 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2800
2801         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2802         call to graphite_find_data_references_in_stmt.
2803         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2804         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2805         call to graphite_find_data_references_in_stmt.
2806         (analyze_drs_in_stmts): Same.
2807         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2808         in which the scalar analysis of indices is performed.
2809         (create_data_ref): Same.  Update call to dr_analyze_indices.
2810         (find_data_references_in_stmt): Update call to create_data_ref.
2811         (graphite_find_data_references_in_stmt): Same.
2812         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2813         declaration.
2814         (create_data_ref): Same.
2815         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2816         call to create_data_ref.
2817
2818 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2819
2820         * graphite-sese-to-poly.c (build_poly_scop): Move
2821         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2822
2823 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2824
2825         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2826         VAR_DECL, PARM_DECL, and RESULT_DECL.
2827
2828 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2831         in a reduction PBB.
2832         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2833         that have already been marked as PBB_IS_REDUCTION.
2834
2835 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * graphite-scop-detection.c (same_close_phi_node): New.
2838         (remove_duplicate_close_phi): New.
2839         (make_close_phi_nodes_unique): New.
2840         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2841
2842 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2845         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2846         of both data references to be the same.
2847
2848 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-dependences.c (build_lexicographical_constraint): Remove
2851         the gdim parameter.
2852         (build_lexicographical_constraint): Adjust call to
2853         ppl_powerset_is_empty.
2854         (dependence_polyhedron): Same.
2855         (graphite_legal_transform_dr): Same.
2856         (graphite_carried_dependence_level_k): Same.
2857         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2858         parameter.
2859         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2860
2861 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * graphite-sese-to-poly.c
2864         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2865         (close_phi_written_to_memory): New.
2866         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2867         and unshare_expr.
2868
2869 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * doc/install.texi: Update the expected version number of PPL to 0.11.
2872         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2873         #if PPL_VERSION_MINOR < 11.
2874
2875 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         * graphite-dependences.c: Include graphite-cloog-util.h.
2878         (new_poly_ddr): Inlined into dependence_polyhedron.
2879         (free_poly_ddr): Moved close by new_poly_ddr.
2880         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2881         Early return NULL when ppl_powerset_is_empty returns true.
2882         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2883         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2884         (graphite_legal_transform_dr): Call new_poly_ddr.
2885         (graphite_carried_dependence_level_k): Same.
2886         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2887         (dot_transformed_deps_stmt_1): Removed.
2888         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2889         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2890         (dot_deps_1): Call dot_deps_2.
2891         * Makefile.in (graphite-dependences.o): Add missing dependence on
2892         graphite-cloog-util.h.
2893
2894 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2895
2896         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2897         (build_lexicographical_constraint): Same.
2898         (dependence_polyhedron_1): Same.
2899         (graphite_legal_transform_dr): Same.
2900         (graphite_carried_dependence_level_k): Same.
2901         * graphite-ppl.c (ppl_powerset_is_empty): New.
2902         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2903         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2904
2905 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2908         the "a followed by b" relation and document it.
2909
2910 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2913         iteration when the bag of constraints is empty.
2914
2915 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2916
2917         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2918
2919 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2922         nest and two loop depths as parameters.
2923         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2924         lst_perfect_nestify.
2925
2926 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * graphite-dependences.c (print_pddr): Call
2929         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2930
2931 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * graphite-ppl.c (debug_gmp_value): New.
2934         * graphite-ppl.h (debug_gmp_value): Declared.
2935
2936 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2937
2938         * doc/install.texi: Document availability of cloog-0.16.
2939
2940 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2941
2942         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2943         invalid postdominance info.
2944
2945 2011-01-24  Jan Hubicka  <jh@suse.cz>
2946
2947         PR c/21659
2948         * doc/extend.texi (weak pragma): Drop claim that it must
2949         appear before definition.
2950         * varasm.c (merge_weak, declare_weak): Only sanity check
2951         that DECL is not output at a time it is declared weak.
2952
2953 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2954
2955         * machmode.def: Fixed comments.
2956
2957 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2958
2959         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2960
2961 2011-01-24  Paul Koning  <ni1d@arrl.net>
2962
2963         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2964         WORDS_BIG_ENDIAN.
2965
2966 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2967
2968         PR target/46519
2969         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2970         (block_info): Add scanned and prev.
2971         (move_or_delete_vzeroupper_2): Return if the basic block
2972         has been scanned and the upper 128bit state is unchanged
2973         from the last scan.
2974         (move_or_delete_vzeroupper_1): Return true if the exit
2975         state is changed.
2976         (move_or_delete_vzeroupper): Visit basic blocks using the
2977         work-list based algorithm based on vt_find_locations in
2978         var-tracking.c.
2979
2980         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2981
2982 2011-01-24  Nick Clifton  <nickc@redhat.com>
2983
2984         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2985         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2986         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2987         then define __v850e1__.
2988         * doc/invoke.texi: Document -mv850es.
2989
2990 2011-01-24  Richard Henderson  <rth@redhat.com>
2991
2992         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2993         compound unordered comparisons.
2994         * config/rx/rx.c (rx_split_fp_compare): Remove.
2995         * config/rx/rx-protos.h: Update.
2996         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2997         (cbranchsf4): Don't call rx_split_fp_compare.
2998         (*cbranchsf4): Use rx_split_cbranch.
2999         (*cmpsf): Don't accept "i" constraint.
3000         (*conditional_branch): Only valid after reload.
3001         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
3002
3003 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3004
3005         PR target/47385
3006         * config/rs6000/altivec.md (vector constant splitters): Add
3007         support for creating vector single precision constants if -mvsx is
3008         used and we would create the constant using Altivec primitives.
3009
3010 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
3011             Richard Sandiford  <rdsandiford@googlemail.com>
3012
3013         PR rtl-optimization/47166
3014         * reload1.c (emit_reload_insns): Disable the spill_reg_store
3015         mechanism for PRE_MODIFY and POST_MODIFY.
3016         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
3017         reloadreg.
3018
3019 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
3020
3021         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
3022
3023 2011-01-22  Jan Hubicka  <jh@suse.cz>
3024
3025         PR lto/47333
3026         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
3027
3028 2011-01-22  Jan Hubicka  <jh@suse.cz>
3029
3030         PR tree-optimization/43884
3031         PR lto/44334
3032         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
3033         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
3034
3035 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
3036
3037         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
3038         * config/s390/s390.c (s390_register_move_cost,
3039         s390_memory_move_cost): New.
3040         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
3041
3042 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3043
3044         PR middle-end/47401
3045         * except.c (sjlj_assign_call_site_values): Move setting the
3046         crtl->uses_eh_lsda flag to ...
3047         (sjlj_mark_call_sites): ... here.
3048         (sjlj_emit_function_enter): Support NULL dispatch label.
3049         (sjlj_build_landing_pads): In a function with no landing pads
3050         that still has must-not-throw regions, generate code to register
3051         a personality function with empty LSDA.
3052
3053 2011-01-21  Richard Henderson  <rth@redhat.com>
3054
3055         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
3056
3057         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
3058
3059         * compare-elim.c: New file.
3060         * Makefile.in (OBJS-common): Add it.
3061         (compare-elim.o): New.
3062         * common.opt (fcompare-elim): New.
3063         * opts.c (default_options_table): Add OPT_fcompare_elim.
3064         * tree-pass.h (pass_compare_elim_after_reload): New.
3065         * passes.c (init_optimization_passes): Add it.
3066         * recog.h: Protect against re-inclusion.
3067         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
3068         * doc/invoke.texi (-fcompare-elim): Document it.
3069         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
3070         * doc/tm.texi: Rebuild.
3071
3072 2011-01-22  Nick Clifton  <nickc@redhat.com>
3073
3074         * config/rx/rx.md (cstoresf4): Pass comparison operator to
3075         rx_split_fp_compare.
3076
3077 2011-01-22  Nick Clifton  <nickc@redhat.com>
3078
3079         * config/rx/rx.md (UNSPEC_CONST): New.
3080         (deallocate_and_return): Wrap the amount popped off the stack in
3081         an UNSPEC_CONST in order to stop it being rejected by
3082         -mmax-constant-size.
3083         (pop_and_return): Add a "(return)" rtx.
3084         (call): Drop the immediate operand.
3085         (call_internal): Likewise.
3086         (call_value): Likewise.
3087         (call_value_internal): Likewise.
3088         (sibcall_internal): Likewise.
3089         (sibcall_value_internal): Likewise.
3090         (sibcall): Likewise.  Generate an explicit call using
3091         sibcall_internal.
3092         (sibcall_value): Likewise.
3093         (mov<>): FAIL if a constant operand is not legitimate.
3094         (addsi3_unpsec): New pattern.
3095
3096         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3097         (ok_for_max_constant): New function.
3098         (gen_safe_add): New function.
3099         (rx_expand_prologue): Use gen_safe_add.
3100         (rx_expand_epilogue): Likewise.
3101         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3102         UNSPEC CONSTs.
3103
3104 2011-01-21  Jeff Law  <law@redhat.com>
3105
3106         PR tree-optimization/47053
3107         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3108         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3109         statements are deleted.
3110         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3111         is nonempty, then purge dead edges and cleanup the CFG.
3112
3113 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3114
3115         PR debug/47402
3116         Temporarily revert:
3117         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3118         PR debug/47106
3119         * tree-dfa.c (create_var_ann): Mark variable as used.
3120
3121 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR middle-end/45566
3124         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3125         notes from other section in hot/cold partitioning even if
3126         last_action is -3.  Increment call_site_base.
3127
3128         PR rtl-optimization/47366
3129         * fwprop.c (forward_propagate_into): Return bool.  If
3130         any changes are made, -fnon-call-exceptions is used and
3131         REG_EH_REGION note is present, call purge_dead_edges
3132         and return true if it purged anything.
3133         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3134         any EH edges were purged.
3135
3136 2011-01-21  Jeff Law  <law@redhat.com>
3137
3138         PR rtl-optimization/41619
3139         * caller-save.c (setup_save_areas): Break out code to determine
3140         which hard regs are live across calls by examining the reload chains
3141         so that it is always used.
3142         Eliminate code which checked REG_N_CALLS_CROSSED.
3143
3144 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3145
3146         PR tree-optimization/47355
3147         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3148         NOP has non-debug uses beyond PHIs in new_bb.
3149
3150 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3151
3152         PR debug/47106
3153         * cfgexpand.c (account_used_vars_for_block): Only account vars
3154         that are annotated as used.
3155         (estimated_stack_frame_size): Don't set TREE_USED.
3156         * tree-dfa.c (create_var_ann): Mark variable as used.
3157
3158 2011-01-21  Richard Guenther  <rguenther@suse.de>
3159
3160         PR middle-end/47395
3161         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3162
3163 2011-01-21  Richard Guenther  <rguenther@suse.de>
3164
3165         PR tree-optimization/47365
3166         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3167         (vn_reference_lookup_pieces): Adjust.
3168         (vn_reference_lookup): Likewise.
3169         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3170         (vn_reference_lookup_3): Only look through kills if in
3171         VN_WALKREWRITE mode.
3172         (vn_reference_lookup_pieces): Adjust.
3173         (vn_reference_lookup): Likewise.
3174         (visit_reference_op_load): Likewise.
3175         (visit_reference_op_store): Likewise.
3176         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3177         (compute_avail): Likewise.
3178         (eliminate): Likewise.
3179
3180 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3181
3182         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3183         DECL_IGNORED_P non-reg vars if they are used.
3184
3185         PR tree-optimization/47391
3186         * varpool.c (const_value_known_p): Return false if
3187         decl is volatile.
3188
3189 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3190
3191         PR bootstrap/47215
3192         * config/i386/i386.c (ix86_local_alignment): Handle
3193         case for va_list_type_node is nil.
3194         (ix86_canonical_va_list_type): Likewise.
3195
3196 2011-01-21  Alan Modra  <amodra@gmail.com>
3197
3198         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3199         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3200
3201 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3202
3203         * config/arm/arm.md (define_attr type): Rename f_load
3204         and f_store to f_fpa_load and f_fpa_store. Update.
3205         (write_conflict): Deal with rename fallout.
3206         (*push_fp_multi): Likewise.
3207         * config/arm/fpa.md (f_load): Use f_fpa_load.
3208         (f_store): Use f_fpa_store.
3209         (*movsf_fpa): Likewise.
3210         (*movdf_fpa): Likewise.
3211         (*movxf_fpa): Likewise.
3212         (*thumb2_movsf_fpa): Likewise.
3213         (*thumb2_movdf_fpa): Likewise.
3214         (*thumb2_movxf_fpa): Likewise.
3215         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3216         f_loadd and f_stored.
3217         (*thumb2_movdi_vfp): Likewise.
3218         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3219         (*thumb2_movsi_vfp): Likewise.
3220         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3221         Use f_loads instead of f_load.
3222         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3223
3224 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3225
3226         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3227         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3228         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3229         (xtensa_mode_dependent_address_p): New function.
3230         (constantpool_address_p): Make static. Change return type to bool.
3231         Change argument type to const_rtx. Use CONST_INT_P predicate.
3232
3233 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3234
3235         PR debug/46583
3236         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3237
3238 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3239
3240         PR debug/47283
3241         * cfgexpand.c (expand_debug_expr): Instead of generating
3242         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3243         etc. handling.
3244
3245 2011-01-20  Richard Guenther  <rguenther@suse.de>
3246
3247         PR middle-end/47370
3248         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3249         the pointer operand of MEM_REFs.
3250
3251 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3252
3253         PR tree-optimization/46130
3254         * ipa-split.c (consider_split): If return_bb contains non-virtual
3255         PHIs other than for retval or if split_function would not adjust it,
3256         refuse to split.
3257
3258 2011-01-20  Richard Guenther  <rguenther@suse.de>
3259
3260         PR tree-optimization/47167
3261         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3262         Revert previous change, only avoid enumeral type changes.
3263
3264 2011-01-19  Mike Stump  <mikestump@comcast.net>
3265
3266         * doc/tm.texi.in (BRANCH_COST): Englishify.
3267         * doc/tm.texi (BRANCH_COST): Likewise.
3268
3269 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3270
3271         PR c++/47291
3272         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3273         (gen_scheduled_generic_parms_dies): New functions.
3274         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3275         generation for the end of CU compilation.
3276         (dwarf2out_finish): Generate template parameters DIEs here.
3277
3278 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3279
3280         PR debug/46240
3281         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3282         debug bind stmt on merge edges.
3283
3284 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3285
3286         PR debug/47079
3287         PR debug/46724
3288         * function.c (instantiate_expr): Instantiate incoming rtl of
3289         implicit arguments, and recurse on VALUE_EXPRs.
3290         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3291         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3292
3293 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3294
3295         * c-parser.c (c_parser_for_statement): Initialize
3296         collection_expression.
3297
3298 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3299
3300         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3301
3302 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3303
3304         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3305         (LINK_SHLIB_SPEC): Don't use %(link_path).
3306         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3307
3308 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3309
3310         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3311         (NO_SHARED_LIB_SUPPORT): Remove.
3312         (LINK_SHLIB_SPEC): Remove one conditional definition.
3313
3314 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3315
3316         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3317         %{call_shared}.
3318         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3319         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3320         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3321         %{call_shared} and conditionals on these options not being passed.
3322         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3323         %{call_shared}.
3324
3325 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3326
3327         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3328         simplify.
3329
3330         * ipa-split.c: Spelling fixes.
3331
3332 2011-01-19  Richard Henderson  <rth@redhat.com>
3333
3334         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3335         (*mulsi3): Likewise.
3336
3337         * longlong.h [__mn10300__] (count_leading_zeros): New.
3338         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3339         [__mn10300__] (add_ssaaaa, subddmmss): New.
3340         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3341         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3342
3343 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3344
3345         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3346
3347 2011-01-19  Richard Henderson  <rth@redhat.com>
3348
3349         * config/mn10300/mn10300.md (addsi3_flags): New.
3350         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3351         (subsi3_flags, subc_internal, subdi3): New.
3352         (subdi3_internal, *subdi3_degenerate): New.
3353         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3354
3355         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3356         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3357         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3358         * config/mn10300/mn10300-protos.h: Update.
3359         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3360         (return_ret): Likewise.  Rename from return_internal_regs.
3361         (return_internal): Remove.
3362
3363         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3364         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
3365         (mn10300_legitimate_constant_p): Likewise.
3366         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
3367         (mn10300_frame_size): New.
3368         (mn10300_expand_prologue): Use it.
3369         (mn10300_expand_epilogue): Likewise.
3370         (mn10300_initial_offset): Likewise.
3371         * config/mn10300/mn10300-protos.h: Update.
3372         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
3373         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
3374         (prologue, epilogue, return_internal): Tidy output code.
3375         (mn10300_store_multiple_operation, return): Likewise.
3376         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
3377         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
3378         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
3379         (load_pic, am33_load_pic): New.
3380         (mn10300_load_pic0, mn10300_load_pic1): New.
3381
3382         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
3383         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
3384         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
3385         (cc_flags_for_mode, cc_flags_for_code): New.
3386         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
3387         overflow flag is not valid.  Validate that the flags we need
3388         for the comparison are valid.
3389         (mn10300_output_cmp): Remove.
3390         (mn10300_output_add): New.
3391         (mn10300_select_cc_mode): Use cc_flags_for_code.
3392         (mn10300_split_cbranch): New.
3393         (mn10300_match_ccmode): New.
3394         (mn10300_split_and_operand_count): New.
3395         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
3396         to the function.
3397         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
3398         (addsi3): ... here.  Use mn10300_output_add.
3399         (*addsi3_flags): New.
3400         (*am33_subsi3, *mn10300_subsi3): Merge...
3401         (subsi3): ... here.  Use attribute isa.
3402         (*subsi3_flags): New.
3403         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
3404         when possible.
3405         (*am33_andsi3, *mn10300_andsi3): Merge...
3406         (andsi3): ... here.
3407         (*andsi3_flags): New.
3408         (andsi3 splitters): New.
3409         (*am33_iorsi3, *mn10300_iorsi3): Merge...
3410         (iorsi3): ... here.
3411         (*iorsi3_flags): New.
3412         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3413         (xorsi3): ... here.
3414         (*xorsi3_flags): New.
3415         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3416         (one_cmplsi2): ... here.
3417         (*one_cmplsi2_flags): New.
3418         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3419         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3420         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3421         use matching constraints to eliminate a self-comparison.
3422         (*integer_conditional_branch): Rename from integer_conditional_branch.
3423         Use int_mode_flags to match CC_REG.
3424         (*cbranchsi4_btst, *btstsi): New.
3425         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3426         mn10300_split_cbranch.
3427         (*am33_cmpsf): Rename from am33_cmpsf.
3428         (*float_conditional_branch): Rename from float_conditional_branch.
3429         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3430         (zero_extendqisi2): ... here.
3431         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3432         (zero_extendhisi2): ... here.
3433         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3434         (extendqisi2): ... here.
3435         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3436         (extendhisi2): ... here.
3437         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3438         (ashlsi3): ... here.
3439         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3440         (lshrsi3): ... here.
3441         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3442         (ashrsi3): ... here.
3443         (consecutive add peephole): Remove.
3444         * config/mn10300/predicates.md (label_ref_operand): New.
3445         (int_mode_flags): New.
3446         (CCZN_comparison_operator): New.
3447
3448         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3449         (throughput_42_latency_43): New reservation.
3450         (mulsidi3, umulsidi3): New expanders.
3451         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3452         the MDR register to allocation; separately allocate the low and
3453         high parts of the DImode result.
3454         (umulsidi3_internal): Similarly.
3455         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3456         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3457         (udivsi3, umodsi3): Remove.
3458         (udivmodsi4, divmodsi4): New expanders.
3459         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3460         (*divmodsi4): Simiarly.
3461         (ext_internal): New.
3462
3463         * config/mn10300/constraints.md ("z"): New constraint.
3464         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3465         (FIXED_REGISTERS): Don't fix MDR.
3466         (CALL_USED_REGSITERS): Reformat nicely.
3467         (REG_ALLOC_ORDER): Add MDR.
3468         (enum regclass): Add MDR_REGS.
3469         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3470         (IRA_COVER_CLASSES): Add MDR_REGS.
3471         (REGNO_REG_CLASS): Handle MDR_REG.
3472         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3473         (mn10300_register_move_cost): Likewise.
3474         * config/mn10300/mn10300.md (MDR_REG): New.
3475         (*movsi_internal): Handle moves to/from MDR_REGS.
3476
3477         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3478         POST_MODIFY.
3479         (mn10300_secondary_reload): Tidy combination reload classes.
3480         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3481         addresses for AM33.  Allow symbolic offsets for reg+imm.
3482         (mn10300_regno_in_class_p): New.
3483         (mn10300_legitimize_reload_address): New.
3484         * config/mn10300/mn10300.h (enum reg_class): Remove
3485         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3486         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3487         SP_OR_GENERAL_REGS.
3488         (REG_CLASS_NAMES): Update to match.
3489         (REG_CLASS_CONTENTS): Likewise.
3490         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3491         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3492         (REGNO_IN_RANGE_P): Remove.
3493         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3494         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3495         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3496         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3497         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3498         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3499         (REGNO_GENERAL_P): New.
3500         (HAVE_POST_MODIFY_DISP): New.
3501         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3502         (LEGITIMIZE_RELOAD_ADDRESS): New.
3503         * config/mn10300/mn10300-protos.h: Update.
3504
3505         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3506         DATA_REGS for AM33 stack-pointer destination.
3507         (mn10300_preferred_output_reload_class): Likewise.
3508         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3509         into a form appropriate for ...
3510         (TARGET_SECONDARY_RELOAD): New.
3511         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3512         * config/mn10300/mn10300-protos.h: Update.
3513         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3514         reload_insi; use the "A" constraint for the scratch; handle AM33
3515         moves of sp to non-address registers.
3516
3517         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3518         (*movqi_internal): ... here.
3519         (*am33_movhi, *mn10300_movhi): Merge into...
3520         (*movhi_internal): ... here.
3521         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3522         as the source/destination of moves from/to SP.
3523         (movsf): Only allow for AM33-2.
3524         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3525         any integer constant constraint.  Only allow for AM33-2.  Tidy
3526         all of the alternative outputs.
3527         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3528         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3529         for MN103.
3530         (udivsi3, umodsi3): New patterns for MN103 only.
3531
3532 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3533
3534         * doc/tm.texi.in: Spell out that a lack of register class unions
3535         can lead to ICEs.
3536         * doc/tm.texi: Regenerate.
3537
3538 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3539
3540         PR rtl-optimization/47337
3541         * dce.c (check_argument_store): New function.
3542         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3543
3544         PR tree-optimization/47290
3545         * tree-eh.c (infinite_empty_loop_p): New function.
3546         (cleanup_empty_eh): Use it.
3547
3548 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3549
3550         PR target/46997
3551         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3552         (a64_expand_widen_sum): Ditto.
3553         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3554         (vec_extract_evenodd_help): Ditto.
3555         (vec_extract_evenv4hi): Ditto.
3556         (vec_extract_oddv4hi): Ditto.
3557         (vec_extract_evenv2si): Ditto.
3558         (vec_extract_oddv2si): Ditto.
3559         (vec_extract_evenv2sf): Ditto.
3560         (vec_extract_oddv2sf): Ditto.
3561         (vec_pack_trunc_v4hi: Ditto.
3562         (vec_pack_trunc_v2si): Ditto.
3563         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3564         (vec_interleave_highv8qi): Ditto.
3565         (mix1_r): Ditto.
3566         (vec_extract_oddv8qi): Ditto.
3567         (vec_interleave_lowv4hi): Ditto.
3568         (vec_interleave_highv4hi): Ditto.
3569         (vec_interleave_lowv2si): Ditto.
3570         (vec_interleave_highv2si): Ditto.
3571
3572 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3573
3574         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3575         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3576         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3577         (pa_c_mode_for_suffix): New.
3578         (TARGET_EXPAND_BUILTIN): Define.
3579         (TARGET_C_MODE_FOR_SUFFIX): Define.
3580         (pa_builtins): Define.
3581         (pa_init_builtins): Register __float128 type and init new support
3582         builtins.
3583         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3584         * config/pa/quadlib.c (_U_Qfcopysign): New.
3585
3586 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3587
3588         PR middle-end/46894
3589         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3590         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3591         are defined.
3592
3593 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3594
3595         PR tree-optimization/47179
3596         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3597         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3598
3599 2011-01-18  Richard Guenther  <rguenther@suse.de>
3600
3601         PR rtl-optimization/47216
3602         * emit-rtl.c: Include tree-flow.h.
3603         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3604         of replicating it with different semantics.
3605         * Makefile.in (emit-rtl.o): Adjust.
3606
3607 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3608
3609         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3610         (cortex_a9_dp): Handle neon types correctly.
3611
3612 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3613
3614         PR rtl-optimization/47299
3615         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3616         subtarget.  Use normal multiplication if both operands are constants.
3617         * expmed.c (expand_widening_mult): Don't try to optimize constant
3618         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3619         before using it.
3620
3621 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3622
3623         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3624         spacing after 'e.g.', typos, comma, hyphenation.
3625
3626 2011-01-17  Richard Henderson  <rth@redhat.com>
3627
3628         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3629         (rx_restricted_mem_operand): New.
3630         (rx_shift_operand): Use register_operand.
3631         (rx_source_operand, rx_compare_operand): Likewise.
3632         * config/rx/rx.md (addsi3_flags): New expander.
3633         (adddi3): Rewrite as expander.
3634         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3635         (subsi3_flags): New expander.
3636         (subdi3): Rewrite as expander.
3637         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3638
3639         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3640         (rx_init_builtins): Remove sat builtin.
3641         (rx_expand_builtin): Likewise.
3642         * config/rx/rx.md (ssaddsi3): New.
3643         (*sat): Rename from sat.  Represent the CC_REG input.
3644
3645         * config/rx/predicates.md (rshift_operator): New.
3646         * config/rx/rx.c (rx_expand_insv): Remove.
3647         * config/rx/rx-protos.h: Update.
3648         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3649         operand to the canonical position.
3650         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3651         (*bitclr, *bitclr_in_memory): Similarly.
3652         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3653         (insv): Retain the zero_extract in the expansion.
3654
3655         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3656         (bswaphi2, bitinvert, revw): Likewise.
3657
3658         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3659         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3660         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3661         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3662         (bitset, bitset_in_memory): Likewise.
3663         (bitinvert, bitinvert_in_memory): Likewise.
3664         (bitclr, bitclr_in_memory): Likewise.
3665         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3666         (rx_strend, rx_cmpstrn): Likewise.
3667         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3668         (bitop peep2 patterns): Remove.
3669
3670         * config/rx/rx.c (rx_match_ccmode): New.
3671         * config/rx/rx-protos.h: Update.
3672         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3673         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3674         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3675         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3676         (fix_truncsfsi2, floatsisf2): Likewise.
3677         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3678         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3679         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3680         (*subsi3_flags, *xorsi3_flags): New.
3681
3682         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3683
3684         * config/rx/rx.c (rx_print_operand): Remove workaround for
3685         unsplit comparison operations.
3686
3687         * config/rx/rx.md (movsicc): Split after reload.
3688         (*movsicc): Merge *movsieq and *movsine via match_operator.
3689         (*stcc): New pattern.
3690
3691         * config/rx/rx.c (rx_float_compare_mode): Remove.
3692         * config/rx/rx.h (rx_float_compare_mode): Remove.
3693         * config/rx/rx.md (cstoresi4): Split after reload.
3694         (*sccc): New pattern.
3695
3696         * config/rx/predicates.md (label_ref_operand): New.
3697         (rx_z_comparison_operator): New.
3698         (rx_zs_comparison_operator): New.
3699         (rx_fp_comparison_operator): New.
3700         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3701         Validate that the flags are set properly for the comparison.
3702         (rx_gen_cond_branch_template): Remove.
3703         (rx_cc_modes_compatible): Remove.
3704         (mode_from_flags): New.
3705         (flags_from_code): Rename from flags_needed_for_conditional.
3706         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3707         (rx_select_cc_mode): Likewise.
3708         (rx_split_fp_compare): New.
3709         (rx_split_cbranch): New.
3710         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3711         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3712         (*cbranchsf4): Similarly.
3713         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3714         match_operator and rx_split_cbranch.
3715         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3716         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3717         (*cmpsi): Rename from cmpsi.
3718         (*tstsi): Rename from tstsi.
3719         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3720         (*conditional_branch): Rename from conditional_branch.
3721         (*reveresed_conditional_branch): Remove.
3722         (b<code>): Remove expander.
3723         * config/rx/rx-protos.h: Update.
3724
3725         * config/rx/rx.c (rx_compare_redundant): Remove.
3726         * config/rx/rx.md (cmpsi): Don't use it.
3727         * config/rx/rx-protos.h: Update.
3728
3729         * config/rx/rx-modes.def (CC_F): New mode.
3730         * config/rx/rx.c (rx_select_cc_mode): New.
3731         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3732         * config/rx/rx-protos.h: Update.
3733
3734 2011-01-17  Richard Henderson  <rth@redhat.com>
3735
3736         * except.c (dump_eh_tree): Fix stray ; after for statement.
3737
3738 2011-01-17  Richard Guenther  <rguenther@suse.de>
3739
3740         PR tree-optimization/47313
3741         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3742         handling before copying the body.  Properly deal with
3743         by-reference result in SSA form.
3744
3745 2011-01-17  Ian Lance Taylor  <iant@google.com>
3746
3747         PR target/47219
3748         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3749         (struct_value_alias_set): Don't define.
3750         (sparc_option_override): Don't set sparc_sr_alias_set and
3751         struct_value_alias_set.
3752         (save_or_restore_regs): Use gen_frame_mem rather than calling
3753         set_mem_alias_set.
3754         (sparc_struct_value_rtx): Likewise.
3755
3756 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3757
3758         PR target/47318
3759         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3760         __m128i.
3761         (_mm_maskstore_pd): Likewise.
3762         (_mm_maskload_ps): Likewise.
3763         (_mm_maskstore_ps): Likewise.
3764         (_mm256_maskload_pd): Change mask to __m256i.
3765         (_mm256_maskstore_pd): Likewise.
3766         (_mm256_maskload_ps): Likewise.
3767         (_mm256_maskstore_ps): Likewise.
3768
3769         * config/i386/i386-builtin-types.def: Updated.
3770         (ix86_expand_special_args_builtin): Likewise.
3771
3772         * config/i386/i386.c (bdesc_special_args): Update
3773         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3774         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3775         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3776         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3777
3778         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3779         Use <avxpermvecmode> on mask register.
3780         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3781
3782 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3783             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3784             Eric Botcazou  <ebotcazou@adacore.com>
3785
3786         PR target/46655
3787         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3788         if <= USHRT_MAX in 32-bit mode.
3789
3790 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3791
3792         * doc/install.texi (Configuration, Specific): Wrap long
3793         lines in examples.  Allow line wrapping in long options
3794         and URLs where beneficial for PDF output.
3795
3796 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3797
3798         * config/mips/mips.c (mips_classify_symbol): Don't return
3799         SYMBOL_PC_RELATIVE for nonlocal labels.
3800
3801 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3802
3803         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3804
3805 2011-01-15  Jan Hubicka  <jh@suse.cz>
3806
3807         PR tree-optimization/47276
3808         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3809         declarations as needed.
3810
3811 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3812
3813         * common.opt (fdevirtualize): New flag.
3814         * doc/invoke.texi (Option Summary): Document it.
3815         * opts.c (default_options_table): Add devirtualize flag.
3816         * ipa-prop.c (detect_type_change): Return immediately if
3817         devirtualize flag is not set.
3818         (detect_type_change_ssa): Likewise.
3819         (compute_known_type_jump_func): Likewise.
3820         (ipa_analyze_virtual_call_uses): Likewise.
3821
3822 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3823
3824         PR tree-optimization/45934
3825         PR tree-optimization/46302
3826         * ipa-prop.c (type_change_info): New type.
3827         (stmt_may_be_vtbl_ptr_store): New function.
3828         (check_stmt_for_type_change): Likewise.
3829         (detect_type_change): Likewise.
3830         (detect_type_change_ssa): Likewise.
3831         (compute_complex_assign_jump_func): Check for dynamic type change.
3832         (compute_complex_ancestor_jump_func): Likewise.
3833         (compute_known_type_jump_func): Likewise.
3834         (compute_scalar_jump_functions): Likewise.
3835         (ipa_analyze_virtual_call_uses): Likewise.
3836         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3837
3838 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3839
3840         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3841         * config/i386/i386.opt (msse5): New Alias.
3842
3843 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3844
3845         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3846         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3847         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3848         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3849
3850 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3851
3852         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3853         -mcpu options.
3854         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3855         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3856         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3857         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3858         Likewise.
3859         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3860
3861 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3862
3863         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3864
3865 2011-01-14  Mike Stump  <mikestump@comcast.net>
3866
3867         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3868         * config/fr30/fr30.md: Likweise
3869         (movsi_push): Likewise.
3870         (movsi_pop): Likewise.
3871         (enter_func): Likewise.
3872         * config/moxie/moxie.md (movsi_push): Likewise.
3873         (movsi_pop): Likewise.
3874
3875 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3876
3877         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3878         %{no_archive} %{exact_version}.
3879         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3880         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3881         %{no_archive} %{exact_version}.
3882         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3883         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3884         * config/mips/vxworks.h: Likewise.
3885
3886 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3887
3888         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3889
3890 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3891
3892         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3893         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3894
3895 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3896
3897         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3898         -nodefaultlib.
3899
3900 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3901
3902         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3903         for mcpu not cpu.
3904         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3905         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3906         not cpu.
3907         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3908         Don't handle -shlib.
3909
3910 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3911
3912         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3913         (CC1_SPEC): Don't handle -profile.
3914
3915 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3916
3917         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3918         * config/mips/mips.h (CC1_SPEC): Likewise.
3919
3920 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3921
3922         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3923         * config/mips/mips.h (CC1_SPEC): Likewise.
3924
3925 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3926
3927         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3928         * config/m32r/linux.h (LINK_SPEC): Likewise.
3929         * config/mips/linux.h (LINK_SPEC): Likewise.
3930         * config/mips/linux64.h (LINK_SPEC): Likewise.
3931         * config/sparc/linux.h (LINK_SPEC): Likewise.
3932         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3933         LINK_SPEC): Likewise.
3934         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3935
3936 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3937
3938         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3939         %{version:-v}.
3940         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3941
3942 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3943
3944         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3945         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3946
3947 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3948
3949         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3950
3951 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3952
3953         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3954         supports -Bstatic/-Bdynamic.
3955         * configure: Regenerate.
3956
3957 2011-01-14  Jan Hubicka  <jh@suse.cz>
3958             Jack Howarth  <howarth@bromo.med.uc.edu>
3959
3960         PR target/46037
3961         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3962         when checking debug_info_level. Test write_symbols instead of
3963         debug_hooks->var_location when setting flag_var_tracking_uninit.
3964
3965 2011-01-14  Richard Guenther  <rguenther@suse.de>
3966
3967         PR tree-optimization/47179
3968         * target.def (ref_may_alias_errno): New target hook.
3969         * targhooks.h (default_ref_may_alias_errno): Declare.
3970         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3971         (default_ref_may_alias_errno): New function.
3972         * target.h (struct ao_ref_s): Declare.
3973         * tree-ssa-alias.c: Include target.h.
3974         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3975         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3976         (targhooks.o): Likewise.
3977         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3978         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3979
3980 2011-01-14  Richard Guenther  <rguenther@suse.de>
3981
3982         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3983
3984 2011-01-14  Richard Guenther  <rguenther@suse.de>
3985
3986         PR tree-optimization/47280
3987         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3988         return CFG changes.
3989         (tree_ssa_forward_propagate_single_use_vars): Deal with
3990         CFG changes from associate_plusminus.
3991
3992 2011-01-14  Richard Guenther  <rguenther@suse.de>
3993
3994         PR middle-end/47281
3995         Revert
3996         2011-01-11  Richard Guenther  <rguenther@suse.de>
3997
3998         PR tree-optimization/46076
3999         * tree-ssa.c (useless_type_conversion_p): Conversions from
4000         unprototyped to empty argument list function types are useless.
4001
4002 2011-01-14  Richard Guenther  <rguenther@suse.de>
4003
4004         PR tree-optimization/47286
4005         * tree-ssa-structalias.c (new_var_info): Register variables are global.
4006
4007 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4008
4009         PR middle-end/46823
4010         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
4011
4012 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
4013
4014         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
4015         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
4016         * config/xtensa/xtensa.c (xtensa_libcall_value,
4017         xtensa_function_value_regno_p): New functions.
4018         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
4019
4020 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
4021
4022         PR c++/47213
4023         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
4024         PE specific hook.
4025         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
4026         New function prototype.
4027         * config/i386/winnt.c (i386_pe_assemble_visibility):
4028         Warn only if attribute was specified by user.
4029
4030 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
4031
4032         PR target/47251
4033         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
4034         floating point.
4035         (floatunsdidf2_fcfidu): Ditto.
4036
4037 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4038
4039         * config/s390/s390.c (print_operand_address): Replace 'error' with
4040         'output_operand_lossage'.
4041         (print_operand): Likewise.
4042
4043 2011-01-13  Jeff Law  <law@redhat.com>
4044
4045         PR rtl-optimization/39077
4046         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
4047         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
4048         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
4049         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
4050         * gcse.c (prune_insertions_deletions): New function.
4051         (compute_pre_data): Use it.
4052
4053 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
4054
4055         PR debug/PR46973
4056         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
4057         static function.
4058         (prune_unused_types_mark): Use it.
4059
4060 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
4061
4062         PR rtl-optimization/45352
4063         * sel-sched.c: Update copyright years.
4064         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
4065         in the advancing loop when we have issued issue_rate insns.
4066
4067 2011-01-12  Richard Henderson  <rth@redhat.com>
4068
4069         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
4070         (TARGET_MD_ASM_CLOBBERS): New.
4071
4072         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
4073         (TARGET_DELEGITIMIZE_ADDRESS): New.
4074
4075         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
4076         (clzsi2, *bsch): New patterns.
4077
4078         * config/mn10300/mn10300.md (INT): New mode iterator.
4079         (*mov<INT>_clr): New pattern, and peep2 to generate it.
4080
4081         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
4082         flag_split_wide_types.
4083
4084         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
4085         (mn10300_trampoline_init): Rewrite without a template, an immediate
4086         load and a direct branch.
4087         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
4088
4089 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
4090
4091         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4092         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
4093         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
4094         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4095
4096 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
4097
4098         PR debug/47209
4099         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
4100         of type.
4101
4102 2011-01-12  Jan Hubicka  <jh@suse.cz>
4103
4104         PR driver/47244
4105         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
4106         (PLUGIN_COND_CLOSE): New macro.
4107         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
4108
4109 2011-01-12  Richard Guenther  <rguenther@suse.de>
4110
4111         PR lto/47259
4112         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
4113         register variables in a MEM_REF.
4114
4115 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
4116
4117         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
4118         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
4119         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
4120         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
4121         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
4122         x86_64-*-linux* | x86_64-*-kfreebsd*-gn