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1 2011-02-15  Jeff Law  <law@redhat.com>
2
3         Revert
4         2011-01-25  Jeff Law  <law@redhat.com>
5
6         PR rtl-optimization/37273
7         * ira-costs.c (scan_one_insn): Detect constants living in memory and
8         handle them like argument loads from stack slots.  Do not double
9         count memory for memory constants and argument loads from stack slots.
10
11 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
12
13         PR middle-end/47725
14         * combine.c (cant_combine_insn_p): Revert the last change.
15
16 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
17
18         PR target/47755
19         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
20         mode for vector constants.  Remove code that checks for TImode.
21
22 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
23
24         PR debug/47106
25         PR debug/47402
26         * cgraph.h (compute_inline_parameters): Return void.
27         * ipa-inline.c (compute_inline_parameters): Adjust.
28
29 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
30
31         PR debug/47106
32         PR debug/47402
33         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
34         rather than decl.
35         * cfgexpand.c (estimated_stack_frame_size): Likewise.
36         * ipa-inline.c (compute_inline_parameters): Adjust.
37
38 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
39
40         PR debug/47106
41         PR debug/47402
42         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
43         Adjust all users.  Pass FN to...
44         * tree-flow-inline.h (first_referenced_var): ... this.  Add
45         fn argument.
46         * ipa-struct-reorg.c: Adjust.
47         * tree-dfa.c: Adjust.
48         * tree-into-ssa.c: Adjust.
49         * tree-sra.c: Adjust.
50         * tree-ssa-alias.c: Adjust.
51         * tree-ssa-live.c: Adjust.
52         * tree-ssa.c: Adjust.
53         * tree-ssanames.c: Adjust.
54         * tree-tailcall.c: Adjust.
55
56 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
57
58         PR debug/47106
59         PR debug/47402
60         * tree-flow.h (referenced_var_lookup): Add fn parameter.
61         Adjust all callers.
62         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
63         * tree-flow-inline.h: Adjust.
64         * gimple-pretty-print.c: Adjust.
65         * tree-into-ssa.c: Adjust.
66         * tree-ssa.c: Adjust.
67         * cfgexpand.c: Adjust.
68
69 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
70
71         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
72         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
73         (EXTRA_CONSTRAINT): Delete.
74         * config/iq2000/constraints.md: New file.
75         * config/iq2000/iq2000.md: Include it.
76         (define_insn ""): Delete.
77         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
78         unsupported constraint letters from patterns.
79         (call_value, call_value_internal1): Likewise.
80         (call_value_multiple_internal1): Likewise.
81
82 2011-02-15  Nick Clifton  <nickc@redhat.com>
83
84         * config/mn10300/mn10300.c: Include tm-constrs.h.
85         (struct liw_data): New data structure describing an LIW candidate
86         instruction.
87         (extract_bundle): Use struct liw_data.  Allow small integer
88         operands for some instructions.
89         (check_liw_constraints): Use struct liw_data.  Remove swapped
90         parameter.  Add comments describing the checks.  Fix bug when
91         assigning the source of liw1 to the source of liw2.
92         (liw_candidate): Delete.  Code moved into extract_bundle.
93         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
94         before swapping.
95         * config/mn10300/predicates.md (liw_operand): New predicate.
96         Allows registers and small integer constants.
97         * config/mn10300/constraints.md (O): New constraint.  Accetps
98         integers in the range -8 to +7 inclusive.
99         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
100         for moving a small integer into a register.  Give this alternative
101         LIW attributes.
102         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
103         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
104         using the J,K,L and M constraints,
105         (liw): Remove SI mode on second operands to allow for HI and QI
106         mode values.
107         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
108         instruction.
109
110 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
111
112         PR middle-end/47725
113         * combine.c (cant_combine_insn_p): Check zero/sign extended
114         hard registers.
115
116 2011-02-15  Richard Guenther  <rguenther@suse.de>
117
118         PR tree-optimization/47743
119         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
120         for a non-type-compatible VN lookup bail out.
121
122 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
123
124         * config/fr30/constraints.md: New file.
125         * config/fr30/fr30.md: Include it.
126         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
127         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
128         (EXTRA_CONSTRAINT): Delete.
129
130 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
131
132         * config/frv/constraints.md: New file.
133         * config/frv/predicates.md: Include it.
134         * config/frv/frv.c (reg_class_from_letter): Delete.
135         (frv_option_override): Don't initialize it.
136         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
137         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
138         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
139         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
140         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
141         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
142         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
143         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
144         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
145         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
146         (REG_CLASS_FROM_CONSTRAINT): Delete.
147
148 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
149
150         PR middle-end/47581
151         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
152         if frame size is 0 in a leaf function.
153
154 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
155
156         PR pch/14940
157         * config/alpha/host-osf.c: New file.
158         * config/alpha/x-osf: New file.
159         * config.host (alpha*-dec-osf*): Use it.
160
161 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
162
163         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
164         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
165         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
166         (rx_mode_dependent_address_p): ...this. Make static. Change argument
167         type to const_rtx.
168         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
169
170 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
171
172         * config/stormy16/constraints.md: New file.
173         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
174         Use satisfies_constraint_Q and satisfies_constraint_R.
175         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
176         Delete.
177         (xstormy16_legitiamte_address_p): Declare.
178         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
179         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
180         (EXTRA_CONSTRAINT): Delete.
181         * config/stormy16/stormy16.c (xstormy16_legitiamte_address_p):
182         Un-staticize.
183         (xstormy16_extra_constraint_p): Delete.
184
185 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
186
187         PR tree-optimization/46494
188         * loop-unroll.c (split_edge_and_insert): Adjust comment.
189         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
190         (pass_rtl_loop_done): Add TODO_verify_flow.
191         * fwprop.c (pass_rtl_fwprop): Likewise.
192         * modulo-sched.c (pass_sms): Likewise.
193         * tree-ssa-dom.c (pass_dominator): Likewise.
194         * tree-ssa-loop-ch.c (pass_ch): Likewise.
195         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
196         (pass_tree_loop_done): Likewise.
197         * tree-ssa-pre.c (execute_pre): Likewise.
198         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
199         * tree-ssa-sink.c (pass_sink_code): Likewise.
200         * tree-vrp.c (pass_vrp): Likewise.
201
202 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
203
204         * config/v850/constraints.md: New file.
205         * config/v850/v850.md: Include it.
206         * config/v850/predicates.md (reg_or_0_operand): Use
207         satisfies_constraint_G.
208         (special_symbolref_operand): Use satisfies_constraint_K.
209         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
210         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
211         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
212         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
213         (EXTRA_CONSTRAINT): Delete.
214         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
215         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
216         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
217
218 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
219
220         PR target/47696
221         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
222         description.
223
224 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
225
226         * config/mcore/constraints.md: New file.
227         * config/mcore/mcore.md: Include it.
228         * config/mcore/mcore.c (reg_class_from_letter): Delete.
229         * config/mcore/mcore.h (reg_class_from_letter): Delete.
230         (REG_CLASS_FROM_LETTER): Delete.
231         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
232         insn_const_int_ok_for_constraint.
233         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
234         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
235         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
236         (EXTRA_CONSTRAINT): Delete.
237
238 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
239
240         PR ada/41929
241         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
242         (IS_SIGHANDLER): Define.
243         (sparc64_is_sighandler): New function, split off from
244         sparc64_fallback_frame_state.
245         (sparc_is_sighandler): New function, split off from
246         sparc_fallback_frame_state.
247         (sparc64_fallback_frame_state): Merge with ...
248         (sparc_fallback_frame_state): ... this into ...
249         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
250         Change new_cfa to long.
251         Remove regs_off, fpu_save_off, fpu_save.
252         Define nframes, mctx.
253         Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
254         hardcoded offsets.
255
256 2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
257
258         * go/gccgo.texi (Top, Import and Export): Fix a typo and a
259         markup nit.
260
261 2011-02-14  Andriy Gapon <avg@freebsd.org>
262
263         PR target/45808
264         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
265
266 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
267
268         * configure: Regenerate.
269
270 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
271
272         PR driver/45731
273         * gcc.c (asm_options): Correct spec matching --target-help.
274
275 2011-02-12  Martin Jambor  <mjambor@suse.cz>
276
277         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
278         to gimple call error.
279
280 2011-02-12  Mike Stump  <mikestump@comcast.net>
281
282         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
283         comments in backslash regions.
284
285 2011-02-12  Mike Stump  <mikestump@comcast.net>
286             Jakub Jelinek  <jakub@redhat.com>
287             Iain Sandoe  <iains@gcc.gnu.org>
288
289         PR target/47324
290         * dwarf2out.c (output_cfa_loc): When required, apply the
291         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
292         (output_loc_sequence): Likewise.
293         (output_loc_operands_raw): Likewise.
294         (output_loc_sequence_raw): Likewise.
295         (output_cfa_loc): Likewise.
296         (output_loc_list): Suppress register number adjustment when
297         calling output_loc_sequence()
298         (output_die): Likewise.
299
300 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
301
302         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
303         Remove macros.
304         * config/xtensa/xtensa.c (xtensa_register_move_cost,
305         xtensa_memory_move_cost): New functions.
306         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
307
308 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
309
310         PR lto/47225
311         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
312         in the current directory.
313         * configure: Rebuilt.
314
315 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
316
317         * config/darwin.c (darwin_override_options): Add a hunk missed
318         from the commit of r168571.  Trim comment line lengths and 
319         correct indents of the preceding block.
320
321 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
322
323         * gcc.c (driver_handle_option): Concatenate the argument to -F with
324         the switch.
325
326 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
327
328         * common.opt (nostartfiles): New Driver option.
329
330 2011-02-11  Xinliang David Li  <davidxl@google.com>
331
332         PR tree-optimization/47707
333         * tree-chrec.c (convert_affine_scev): Keep type precision.
334
335 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
336
337         PR tree-optimization/47420
338         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
339
340 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
341
342         PR rtl-optimization/47614
343         * rtl.h (check_for_inc_dec): Declare.
344         * dse.c (check_for_inc_dec): Externalize...
345         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
346         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
347
348 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
349
350         PR driver/47678
351         * gcc.c (main): Do not compile inputs if there were errors in
352         option handling.
353         * opts-common.c (read_cmdline_option): Check for wrong language
354         after other error checks.
355
356 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
357
358         * cgraph.c: Fix comment typos.
359         * cgraph.h: Likewise.
360         * cgraphunit.c: Likewise.
361         * ipa-cp.c: Likewise.
362         * ipa-inline.c: Likewise.
363         * ipa-prop.c: Likewise.
364         * ipa-pure-const.c: Likewise.
365         * ipa-ref.c: Likewise.
366         * ipa-reference.c: Likewise.
367
368 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
369
370         PR debug/47684
371         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
372
373 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
374
375         PR testsuite/47400
376         * doc/sourcebuild.texi (Require Support): Document
377         dg-require-ascii-locale.
378
379 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
380
381         * doc/lto.texi (Write summary): Fix missing parentheses.
382
383 2011-02-10  DJ Delorie  <dj@redhat.com>
384
385         * config/m32c/m32c.c (m32c_option_override): Disable
386         -fcombine-stack-adjustments until flag value tracking and compare
387         optimization can be rewritten.
388
389 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
390
391         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
392         PROCESSOR_POWER7.
393         (PROCESSOR_DEFAULT64): Likewise.
394
395 2011-02-10  Richard Henderson  <rth@redhat.com>
396
397         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
398         change from 2011-02-03.
399         * config/rx/rx.c (flags_from_code): Likewise.
400         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
401         is valid, n/pz otherwise.
402         (rx_select_cc_mode): Return CCmode if Y is not zero.
403
404 2011-02-10  Richard Guenther  <rguenther@suse.de>
405
406         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
407
408 2011-02-10  Richard Guenther  <rguenther@suse.de>
409
410         PR tree-optimization/47677
411         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
412
413 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
414
415         PR target/47665
416         * combine.c (make_compound_operation): Only change shifts into
417         multiplication for SCALAR_INT_MODE_P.
418
419 2011-02-10  Jie Zhang  <jie@codesourcery.com>
420
421         PR testsuite/47622
422         Revert
423         2011-02-05  Jie Zhang  <jie@codesourcery.com>
424         PR debug/42631
425         * web.c (entry_register): Don't clobber the number of the
426         first uninitialized reference in used[].
427
428 2011-02-09  Richard Guenther  <rguenther@suse.de>
429
430         PR tree-optimization/47664
431         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
432         all edges again.
433
434 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
435
436         PR target/46481
437         PR target/47032
438         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
439         PROCESSOR_POWER7.
440         (PROCESSOR_DEFAULT64): Same.
441         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
442
443 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
444
445         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
446
447 2011-02-09  Martin Jambor  <mjambor@suse.cz>
448
449         PR middle-end/45505
450         * tree-sra.c (struct access): New flags grp_scalar_read and
451         grp_scalar_write.  Changed description of assignment read and write
452         flags.
453         (dump_access): Dump new flags, reorder all of them.
454         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
455         to detect multiple scalar reads.
456         (analyze_access_subtree): Use the new scalar read write flags instead
457         of the old flags.  Adjusted comments.
458
459 2011-02-08  DJ Delorie  <dj@redhat.com>
460
461         PR target/47548
462         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
463         patterns.
464
465 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
466
467         * config/m68k/uclinux.opt: New.
468         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
469
470 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
471
472         * config/cris/elf.opt (sim): New Driver option.
473
474 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
475
476         * config/xtensa/elf.opt: New.
477         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
478
479 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
480
481         * config/vax/elf.opt: New.
482         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
483
484 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
485
486         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
487
488 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
489
490         * config/gnu-user.opt: New.
491         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
492         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
493         *-*-uclinux*): Use gnu-user.opt.
494
495 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
496
497         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
498         * config/i386/gnu.h (CPP_SPEC): Likewise.
499
500 2011-02-08  Ian Lance Taylor  <iant@google.com>
501
502         * common.opt (fcx-limited-range): Add SetByCombined flag.
503         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
504         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
505         (fassociative-math, freciprocal-math): Likewise.
506         (funsafe-math-optimizations): Likewise.
507         * opth-gen.awk: Handle SetByCombined.
508         * optc-gen.awk: Likewise.
509         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
510         (set_unsafe_math_optimizations_flags): Likewise.
511         * doc/options.texi (Option properties): Document SetByCombined.
512
513 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
514
515         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
516         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
517         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
518         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
519         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
520
521 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
522
523         PR tree-optimization/46834
524         PR tree-optimization/46994
525         PR tree-optimization/46995
526         * graphite-sese-to-poly.c (used_outside_reduction): New.
527         (detect_commutative_reduction): Call used_outside_reduction.
528         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
529         translate_scalar_reduction_to_array only when at least one
530         loop-phi/close-phi tuple has been detected.
531
532 2011-02-08  Richard Guenther  <rguenther@suse.de>
533
534         PR middle-end/47639
535         * tree-vect-generic.c (expand_vector_operations_1): Update
536         stmts here ...
537         (expand_vector_operations): ... not here.  Cleanup EH info
538         and the CFG if required.
539
540 2011-02-08  Richard Guenther  <rguenther@suse.de>
541
542         PR tree-optimization/47641
543         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
544         require type compatibility.
545
546 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
547
548         * gimple-low.c (lower_function_body): Don't remove the location of
549         the return statement here.
550         (lower_gimple_return): Do it here instead but only if the return
551         statement is actually used twice.
552
553 2011-02-08  Richard Guenther  <rguenther@suse.de>
554
555         PR tree-optimization/47632
556         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
557         unused up_to_stmt parameter, return whether cfg-cleanup is
558         necessary, remove EH info properly.
559         (forward_propagate_into_gimple_cond): Adjust caller.
560         (forward_propagate_into_cond): Likewise.
561         (forward_propagate_comparison): Likewise.
562         (tree_ssa_forward_propagate_single_use_vars): Make
563         forward_propagate_comparison case similar to the two others.
564
565 2011-02-08  Nick Clifton  <nickc@redhat.com>
566
567         * config/mn10300/mn10300.opt (mliw): New command line option.
568         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
569         (liw_bundling): New automaton.
570         (liw): New attribute.
571         (liw_op): New attribute.
572         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
573         (movsi_internal): Add LIW attributes.
574         (andsi3): Likewise.
575         (iorsi3): Likewise.
576         (xorsi3): Likewise.
577         (addsi3): Separate register and immediate alternatives.
578         Add LIW attributes.
579         (subsi3): Likewise.
580         (cmpsi): Likewise.
581         (aslsi3): Likewise.
582         (lshrsi3): Likewise.
583         (ashrsi3): Likewise.
584         (liw): New pattern.
585         * config/mn10300/mn10300.c (liw_op_names): New
586         (mn10300_print_operand): Handle 'W' operand descriptor.
587         (extract_bundle): New function.
588         (check_liw_constraints): New function.
589         (liw_candidate): New function.
590         (mn10300_bundle_liw): New function.
591         (mn10300_reorg): New function.
592         (TARGET_MACHINE_DEPENDENT_REORG): Define.
593         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
594         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
595         __LIW__ or __NO_LIW__.
596         * doc/invoke.texi: Describe the -mliw command line option.
597
598 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
599
600         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
601         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
602         pthread_mutex_unlock): Remove.
603         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
604         * config/pa/t-pa64: Likewise.
605         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
606         shared libc if not linking against libpthread.
607         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
608
609 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
610
611         PR target/47558
612         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
613         on 10.6 and later to ensure that we always use the unwinder from
614         the system.  Only add -no_compact_unwind when tarteting darwin
615         10.6 or later.
616
617 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
618
619         PR target/46997
620         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
621         (vec_interleave_lowv2sf): Ditto.
622         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
623         (vec_extract_oddv2sf): Ditto.
624
625 2011-02-07  Mike Stump  <mikestump@comcast.net>
626
627         PR target/42333
628         Add __ieee_divdc3 entry point.
629         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
630         entry point.
631         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
632         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
633         * config/darwin.c (darwin_rename_builtins): Add.
634         * config/darwin-protos.h (darwin_rename_builtins): Add.
635
636 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
637
638         PR target/47636
639         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
640         for the condition.
641
642 2011-02-07  Mike Stump  <mikestump@comcast.net>
643
644         * config/darwin.opt (mmacosx-version-min): Update default OS version.
645
646 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
647
648         PR target/47534
649         * config/avr/libgcc.S (exit): Move .endfunc
650
651 2011-02-07  Richard Guenther  <rguenther@suse.de>
652
653         PR tree-optimization/47615
654         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
655         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
656         (run_scc_vn): Initialize it.
657         (visit_reference_op_load): Use it.
658         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
659
660 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
661
662         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
663         DImode trapping arithmetic libfuncs.
664
665 2011-02-07  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/47621
668         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
669         two duplicates ...
670         (execute_update_addresses_taken): ... here.  Make it more
671         conservative in what we accept.
672
673 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
674
675         * config/sparc/freebsd.h (ASM_SPEC): Define.
676         * config/sparc/vxworks.h (ASM_SPEC): Define.
677
678 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
679
680         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
681
682 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
683
684         * doc/invoke.texi: Remove reference to compiler internals from
685         user documentation.
686
687         * reg-notes.def: Remove REG_VALUE_PROFILE.
688         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
689
690 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
691
692         PR middle-end/47610
693         * varasm.c (default_section_type_flags): If decl is NULL,
694         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
695
696 2011-02-05  Jie Zhang  <jie@codesourcery.com>
697
698         PR debug/42631
699         * web.c (entry_register): Don't clobber the number of the
700         first uninitialized reference in used[].
701
702 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
703
704         PR tree-optimization/46194
705         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
706         (build_classic_dist_vector_1): Do not represent classic distance
707         vectors when the access functions are variating in different loops.
708
709 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
710
711         * config/mips/iris6.opt: New.
712         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
713
714 2011-02-04  Richard Henderson  <rth@redhat.com>
715             Steve Ellcey  <sje@cup.hp.com>
716
717         PR target/46997
718         * config/ia64/predicates.md (mux1_brcst_element): New.
719         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
720         * config/ia64/ia64.c (ia64_unpack_assemble): New.
721         (ia64_unpack_sign): New.
722         (ia64_expand_unpack): Rewrite using new routines.
723         (ia64_expand_widen_sum): Ditto.
724         (ia64_expand_dot_prod_v8qi): Ditto.
725         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
726         routines, add endian check.
727         (pmpy2_even): Rename from pmpy2_r, add endian check.
728         (pmpy2_odd): Rename from pmpy2_l, add endian check.
729         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
730         (vec_widen_smult_hi_v4hi): Ditto.
731         (vec_widen_umult_lo_v4hi): Ditto.
732         (vec_widen_umult_hi_v4hi): Ditto.
733         (mulv2si3): Change endian checks.
734         (sdot_prodv4hi): Rewrite with new calls.
735         (udot_prodv4hi): New.
736         (vec_pack_ssat_v4hi): Add endian check.
737         (vec_pack_usat_v4hi): Ditto.
738         (vec_pack_ssat_v2si): Ditto.
739         (max1_even): Rename from max1_r, add endian check.
740         (max1_odd): Rename from max1_l, add endian check.
741         (*mux1_rev): Format change.
742         (*mux1_mix): Ditto.
743         (*mux1_shuf): Ditto.
744         (*mux1_alt): Ditto.
745         (*mux1_brcst_v8qi): Use new predicate.
746         (vec_extract_evenv8qi): Remove endian check.
747         (vec_extract_oddv8qi): Ditto.
748         (vec_interleave_lowv4hi): Format change.
749         (vec_interleave_highv4hi): Ditto.
750         (mix2_even): Rename from mix2_r, add endian check.
751         (mix2_odd): Rename from mux2_l, add endian check.
752         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
753         (vec_extract_evenodd_helper): Format change.
754         (vec_extract_evenv4hi): Remove endian check.
755         (vec_extract_oddv4hi): Remove endian check.
756         (vec_interleave_lowv2si): Format change.
757         (vec_interleave_highv2si): Format change.
758         (vec_initv2si): Remove endian check.
759         (vecinit_v2si): Add endian check.
760         (reduc_splus_v2sf): Add endian check.
761         (reduc_smax_v2sf): Ditto.
762         (reduc_smin_v2sf): Ditto.
763         (vec_initv2sf): Remove endian check.
764         (fpack): Add endian check.
765         (fswap): Add endian check.
766         (vec_interleave_highv2sf): Add endian check.
767         (vec_interleave_lowv2sf): Add endian check.
768         (fmix_lr): Add endian check.
769         (vec_setv2sf): Format change.
770         (*vec_extractv2sf_0_be): Use shift to extract operand.
771         (*vec_extractv2sf_1_be): New.
772         (vec_pack_trunc_v4hi): Add endian check.
773         (vec_pack_trunc_v2si): Format change.
774
775 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
776
777         PR inline-asm/23200
778         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
779         do bb, locus and block comparison and disallow loads if it is not set.
780         (stmt_is_replaceable_p): New function.
781         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
782         callers.
783         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
784         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
785         SSA_NAME_DEF_STMT.
786         * tree-flow.h (stmt_is_replaceable_p): New prototype.
787
788 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
789
790         * config/rs6000/xilinx.opt: New.
791         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
792
793 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
794
795         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
796
797 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
798
799         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
800         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
801         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
802         secondary_reload_info, xtensa_secondary_reload): Remove.
803         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
804         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
805         (xtensa_preferred_reload_class): Make static. Change return and
806         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
807         Use CONST_DOUBLE_P predicate.
808         (xtensa_preferred_output_reload_class): New function.
809         (xtensa_secondary_reload): Make static.
810
811 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
812
813         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
814         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
815         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
816
817 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
818
819         PR middle-end/31490
820         * output.h (SECTION_RELRO): Define.
821         (SECTION_MACH_DEP): Adjust.
822         (get_variable_section): New prototype.
823         * varpool.c (varpool_finalize_named_section_flags): New function.
824         (varpool_assemble_pending_decls): Call it.
825         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
826         * cgraphunit.c (cgraph_output_in_order): Call
827         varpool_finalize_named_section_flags.
828         * varasm.c (get_section): Allow section flags conflicts between
829         relro and read-only sections if the section hasn't been declared yet.
830         Set SECTION_OVERRIDE after diagnosing section type conflict.
831         (get_variable_section): No longer static.
832         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
833         readonly sections that need relocations.
834         (decl_readonly_section_1): New function.
835         (decl_readonly_section): Use it.
836
837         Revert:
838         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
839                     Steve Ellcey  <sje@cup.hp.com>
840
841         PR middle-end/31490
842         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
843         if section attribute used.
844
845 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
846
847         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
848         * config/darwin.c (SECTION_NO_ANCHOR): Define.
849         (darwin_init_sections): Remove assertion.
850
851 2011-02-03  Nick Clifton  <nickc@redhat.com>
852
853         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
854         lt and ge.
855         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
856         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
857         instead of "n" and "pz".
858         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
859         CC_FLAG_S.
860
861 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
862
863         PR target/47312
864         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
865         fma, expand FMA_EXPR as fma{,f,l} call.
866
867         PR lto/47274
868         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
869         copy them into a unsigned char variable and pass address of it to
870         lto_output_data_stream.
871
872         PR target/47564
873         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
874         around backend_init_target and lang_dependent_init_target calls.
875         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
876         (verify_cgraph_node): Don't call set_cfun here.  Use
877         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
878         Set error_found for incorrectly represented calls to thunks.
879
880 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
881
882         PR debug/43092
883         PR rtl-optimization/43494
884         * rtl.h (for_each_inc_dec_fn): New type.
885         (for_each_inc_dec): Declare.
886         * rtlanal.c (struct for_each_inc_dec_ops): New type.
887         (for_each_inc_dec_find_inc_dec): New fn.
888         (for_each_inc_dec_find_mem): New fn.
889         (for_each_inc_dec): New fn.
890         * dse.c (struct insn_size): Remove.
891         (replace_inc_dec, replace_inc_dec_mem): Remove.
892         (emit_inc_dec_insn_before): New fn.
893         (check_for_inc_dec): Use it, along with for_each_inc_dec.
894         (canon_address): Pass mem modes to cselib_lookup.
895         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
896         (cselib_lookup_from_insn): Likewise.
897         (cselib_subst_to_values): Likewise.
898         * cselib.c (find_slot_memmode): New var.
899         (cselib_find_slot): New fn.  Use it instead of
900         htab_find_slot_with_hash everywhere.
901         (entry_and_rtx_equal_p): Use find_slot_memmode.
902         (autoinc_split): New fn.
903         (rtx_equal_for_cselib_p): Rename and implement in terms of...
904         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
905         Deal with autoinc.  Special-case recursion into MEMs.
906         (cselib_hash_rtx): Likewise.
907         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
908         address and MEM modes.
909         (cselib_subst_to_values): Add memmode, pass it on.
910         Deal with autoinc.
911         (cselib_lookup): Add memmode argument, pass it on.
912         (cselib_lookup_from_insn): Add memmode.
913         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
914         (struct cselib_record_autoinc_data): New.
915         (cselib_record_autoinc_cb): New fn.
916         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
917         mode to cselib_lookup.  Reset autoinced REGs here instead of...
918         (cselib_process_insn): ... here.
919         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
920         to cselib_lookup.
921         (add_uses): Likewise, also to cselib_subst_to_values.
922         (add_stores): Likewise.
923         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
924         cselib_subst_to_values.
925         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
926         * gcse.c (do_local_cprop): Adjusted.
927         * postreload.c (reload_cse_simplify_set): Adjusted.
928         (reload_cse_simplify_operands): Adjusted.
929         * sel-sched-dump (debug_mem_addr_value): Pass mode.
930
931 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
932
933         PR tree-optimization/45122
934         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
935         unsafe assumptions when there's more than one loop exit.
936
937 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
938
939         PR target/47272
940         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
941         Document using vector double with the load/store builtins, and
942         that the load/store builtins always use Altivec instructions.
943
944         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
945         to use altivec memory instructions, even on VSX.
946         (vector_altivec_store_<mode>): Ditto.
947
948         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
949         function.
950
951         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
952         V2DF, V2DI support to load/store overloaded builtins.
953
954         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
955         altivec load/store builtins for V2DF/V2DI types.
956
957         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
958         set avoid indexed addresses on power6 if -maltivec.
959         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
960         vector_altivec_load/vector_altivec_store builtins.
961         (altivec_expand_st_builtin): Ditto.
962         (altivec_expand_builtin): Add VSX memory builtins.
963         (rs6000_init_builtins): Add V2DI types to internal types.
964         (altivec_init_builtins): Add support for V2DF/V2DI altivec
965         load/store builtins.
966         (rs6000_address_for_altivec): Insure memory address is appropriate
967         for Altivec.
968
969         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
970         vec_vsx_ld and vec_vsx_st.
971         (vsx_store_<mode>): Ditto.
972
973         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
974         variables to hold long long types for VSX vector memory builtins.
975         (RS6000_BTI_unsigned_long_long): Ditto.
976         (long_long_integer_type_internal_node): Ditti.
977         (long_long_unsigned_type_internal_node): Ditti.
978
979         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
980         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
981         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
982
983         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
984         short cuts.
985         (vec_vsx_st): Ditto.
986
987 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
988
989         * config/pa/pa-hpux10.opt: New.
990         * config/hpux11.opt (pthread): New Driver option.
991         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
992         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
993
994 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
995
996         * config/ia64/vms.opt: New.
997         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
998
999 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1000
1001         PR target/47580
1002         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1003         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1004         generator functions.
1005         (vsx_floatuns<VSi><mode>2): Ditto.
1006         (vsx_fix_trunc<mode><VSi>2): Ditto.
1007         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1008
1009 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1010
1011         * config/i386/djgpp.opt (posix): New Driver option.
1012
1013 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1014
1015         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1016         Move to the unsupported targets list.
1017
1018 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1019
1020         PR rtl-optimization/47525
1021         * df-scan.c: Update copyright years.
1022         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1023         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1024
1025 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1026
1027         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1028         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1029         (ASM_OUTPUT_ASCII): Remove.
1030         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1031
1032 2011-02-02  Jeff Law  <law@redhat.com>
1033
1034         PR middle-end/47543
1035         * reload.c (find_reloads_address): Handle reg+d address where both
1036         components are invalid by reloading the entire address.
1037
1038 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1039             Richard Guenther  <rguenther@suse.de>
1040
1041         PR tree-optimization/40979
1042         PR bootstrap/47044
1043         * passes.c (init_optimization_passes): After LIM call copy_prop
1044         and DCE to clean up.
1045         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1046
1047 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         PR tree-optimization/47576
1050         PR tree-optimization/47555
1051         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1052         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1053         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1054         * tree-scalar-evolution.c (follow_ssa_edge): Use
1055         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1056
1057 2011-02-02  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/47566
1060         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1061
1062 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1063
1064         PR debug/47106
1065         PR debug/47402
1066         * tree-inline.c (declare_return_variable): Remove unused caller
1067         variable.
1068
1069         PR debug/47106
1070         PR debug/47402
1071         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1072         * cfgexpand.c (account_used_vars_for_block): Use them.
1073         * tree-nrv.c (tree_nrv): Likewise.
1074         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1075         (dump_scope_block): Likewise.
1076         (remove_unused_locals): Likewise.
1077
1078         PR debug/47106
1079         PR debug/47402
1080         * tree-inline.c (declare_return_variable): Add result decl to
1081         local decls only once.
1082         * gimple-low.c (record_vars_into): Mark newly-created variables
1083         as referenced.
1084
1085 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1086
1087         PR debug/47498
1088         PR debug/47501
1089         PR debug/45136
1090         PR debug/45130
1091         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1092         debug insns.
1093         (no_real_insns_p, schedule_block, set_priorities): Drop special
1094         treatment of boundary debug insns.
1095         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1096         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1097         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1098         (BOUNDARY_DEBUG_INSN_P): Likewise.
1099         (SCHEDULE_DEBUG_INSN_P): Likewise.
1100         * sched-rgn.c (init_ready_list): Drop special treatment of
1101         boundary debug insns.
1102         * final.c (rest_of_clean_state): Clear notes' BB.
1103
1104 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1105
1106         * config/openbsd.opt (assert=): New Driver option.
1107
1108 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1109
1110         * config/i386/nto.opt: New.
1111         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1112
1113 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1114
1115         * config/i386/netware.opt: New.
1116         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1117
1118 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1119
1120         * config/interix.opt (posix): New Driver option.
1121
1122 2011-02-01  DJ Delorie  <dj@redhat.com>
1123
1124         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1125
1126         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1127         class for A0/A1.
1128
1129 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         PR tree-optimization/47561
1132         * toplev.c (process_options): Print the Graphite flags.  Add
1133         flag_loop_flatten to the list of options requiring Graphite.
1134
1135 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1136
1137         * config/i386/cygming.opt (posix): New Driver option.
1138
1139 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1140
1141         * config/arm/vxworks.opt: New.
1142         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1143
1144 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1145
1146         * config/alpha/elf.opt: New.
1147         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1148         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1149
1150 2011-02-01  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/47559
1153         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1154         store-motion on references that can throw.
1155
1156 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1157
1158         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1159         * tree-pass.h (TDF_CSELIB): New macro.
1160         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1161         cselib_lookup): Check for it rather than for TDF_DETAILS.
1162
1163 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1164
1165         PR driver/47547
1166         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1167         is HOST_BIT_BUCKET.
1168
1169         * opts.c (finish_options): Don't add x_aux_base_name if it is
1170         HOST_BIT_BUCKET.
1171
1172 2011-02-01  Richard Guenther  <rguenther@suse.de>
1173
1174         PR tree-optimization/47555
1175         Revert
1176         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1179
1180 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1181
1182         PR gcc/46692
1183         * config/lm32/t-lm32: Add multilib for all CPU options.
1184
1185 2011-02-01  Richard Guenther  <rguenther@suse.de>
1186
1187         PR tree-optimization/47541
1188         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1189         sure to have a field at offset zero.
1190
1191 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1192
1193         * config/arc/arc.opt (EB, EL): New Driver options.
1194
1195 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1196
1197         * config/alpha/osf5.opt: New.
1198         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1199
1200 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1201
1202         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1203
1204 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1205
1206         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1207         -floop-interchange.
1208         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1209         is an alias of -floop-interchange and that it requires the
1210         Graphite infrastructure.
1211         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1212         flag_loop_interchange based on the value of flag_tree_loop_linear.
1213
1214 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1215             Richard Guenther  <rguenther@suse.de>
1216
1217         PR tree-optimization/47538
1218         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1219         type instead of r1type, except for comparisons.  For right
1220         shifts and comparisons punt if there are mismatches in
1221         sizetype vs. non-sizetype types.
1222
1223 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1224
1225         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1226         avx_runtime.
1227
1228 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1229
1230         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1231         version number.
1232         * configure: Regenerate.
1233
1234 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1235
1236         * configure.ac (gcc_cv_ld_static_option): Define.
1237         (gcc_cv_ld_dynamic_option): Define.
1238         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1239         instead.
1240         (HAVE_LD_STATIC_DYNAMIC): Update message.
1241         (LD_STATIC_OPTION): Define.
1242         (LD_DYNAMIC_OPTION): Define.
1243         * configure: Regenerate.
1244         * config.in: Regenerate.
1245         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1246         HAVE_LD_STATIC_DYNAMIC]: Use them.
1247
1248 2011-01-31  Nick Clifton  <nickc@redhat.com>
1249
1250         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1251         registers inside interrupt handlers if the handler is not a leaf
1252         function.
1253
1254 2011-01-31  Nick Clifton  <nickc@redhat.com>
1255
1256         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1257         reg_renumber returning an INVALID_REGNUM.
1258
1259 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1260
1261         PR libgcj/44341
1262         * doc/install.texi: Document host options discarded when cross
1263         configuring target libraries.
1264
1265 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1266
1267         Reverted:
1268         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1269         PR debug/45136
1270         PR debug/45130
1271         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1272         debug insns.
1273         (no_real_insns_p, schedule_block, set_priorities): Drop special
1274         treatment of boundary debug insns.
1275         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1276         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1277         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1278         (BOUNDARY_DEBUG_INSN_P): Likewise.
1279         (SCHEDULE_DEBUG_INSN_P): Likewise.
1280         * sched-rgn.c (init_ready_list): Drop special treatment of
1281         boundary debug insns.
1282         * final.c (rest_of_clean-state): Clear notes' BB.
1283
1284 2011-01-31  Alan Modra  <amodra@gmail.com>
1285
1286         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1287         toc relative expressions as we do in print_operand_address.
1288
1289 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1290
1291         * doc/extend.texi: Follow spelling conventions.
1292         * doc/invoke.texi: Fix a typo.
1293
1294 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1295
1296         * config/hpux11.opt: New.
1297         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1298         ia64*-*-hpux*): Use hpux11.opt.
1299
1300 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
1301
1302         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1303         to tmake_file.
1304
1305 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1306
1307         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1308         support sites.
1309
1310 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1311
1312         * doc/install.texi (Binaries): Remove outdated reference for
1313         Motorola 68HC11/68HC12 downloads.
1314
1315 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1316
1317         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1318         Drepper's paper.
1319
1320 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1321
1322         PR bootstrap/47147
1323         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1324         used by NetBSD.
1325
1326 2011-01-28  Ahmad Sharif  <asharif@google.com>
1327
1328         * value-prof.c (check_counter): Corrected error message.
1329
1330 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1331
1332         * config/arm/arm.c (arm_legitimize_reload_address): New.
1333         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1334         arm_legitimize_reload_address.
1335         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1336
1337 2011-01-28  Ian Lance Taylor  <iant@google.com>
1338
1339         * godump.c (go_define): Ignore macros whose definitions include
1340         two adjacent operands.
1341
1342 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1343
1344         PR target/42894
1345         * varasm.c (force_const_mem): Store copy of x in desc->constant
1346         instead of x itself.
1347         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1348         itself into REG_EQUAL note.
1349
1350 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1351
1352         * config/freebsd.opt (posix, rdynamic): New Driver options.
1353
1354 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1355
1356         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1357         -Bstatic/-Bdynamic.
1358         * configure: Regenerate.
1359
1360 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1361
1362         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1363         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1364
1365 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
1366
1367         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1368         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1369         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1370         (s390_preferred_reload_class): Make static. Change return and
1371         'rclass' argument type to reg_class_t.
1372
1373 2011-01-27  Jan Hubicka  <jh@suse.cz>
1374
1375         PR middle-end/46949
1376         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1377         (process_function_and_variable_attributes): Check defined weakrefs.
1378
1379 2011-01-27  Martin Jambor  <mjambor@suse.cz>
1380
1381         PR tree-optimization/47228
1382         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1383         build_ref_for_offset.
1384
1385 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1386
1387         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1388
1389 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
1390
1391         PR rtl-optimization/46856
1392         * postreload.c (reload_combine_recognize_const_pattern): Do not
1393         separate cc0 setter and user on cc0 targets.
1394
1395 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1396
1397         PR c/43082
1398         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1399         passed a VOID_TYPE expression, immediately emit an error and
1400         return error_mark_node.
1401
1402 2011-01-26  Jeff Law  <law@redhat.com>
1403
1404         PR rtl-optimization/47464
1405         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1406         rather than may_trap_p as needed.
1407
1408 2011-01-26  DJ Delorie  <dj@redhat.com>
1409
1410         PR rtl-optimization/46878
1411         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1412         setter/user dependency as well.
1413
1414 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1415
1416         PR rtl-optimization/44469
1417         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1418         after removing trivially dead basic blocks.
1419
1420 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1421
1422         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1423         * config/frv/frv.h (LINK_SPEC): Likewise.
1424         * config/i386/netware.h (LINK_SPEC): Likewise.
1425         * config/m68k/linux.h (ASM_SPEC): Likewise.
1426         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1427         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1428         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1429         * config/sparc/linux.h (ASM_SPEC): Likewise.
1430         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1431         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1432
1433 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1434
1435         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1436         * config/frv/frv.h (ASM_SPEC): Likewise.
1437         * config/m68k/linux.h (ASM_SPEC): Likewise.
1438         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1439         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1440         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1441         * config/sparc/linux.h (ASM_SPEC): Likewise.
1442         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1443         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1444
1445 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1446
1447         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1448         * config/frv/frv.h (LINK_SPEC): Likewise.
1449         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1450
1451 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1452
1453         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1454         * config/frv/frv.h (ASM_SPEC): Likewise.
1455         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1456         * config/m68k/linux.h (ASM_SPEC): Likewise.
1457         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1458         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1459         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1460         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1461         * config/sparc/linux.h (ASM_SPEC): Likewise.
1462         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1463         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1464         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1465
1466 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1467
1468         PR target/46997
1469         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1470         (*mux2): Ditto.
1471         (vec_extract_evenodd_help): Ditto.
1472         (vec_extract_evenv4hi): Ditto.
1473         (vec_extract_oddv4hi): Ditto.
1474         (vec_interleave_lowv2si): Ditto.
1475         (vec_interleave_highv2si): Ditto.
1476         (vec_extract_evenv2si): Ditto.
1477         (vec_extract_oddv2si: Ditto.
1478         (vec_pack_trunc_v2si): Ditto.
1479
1480 2011-01-22  Jan Hubicka  <jh@suse.cz>
1481
1482         PR target/47237
1483         * cgraph.h (cgraph_local_info): New field can_change_signature.
1484         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1485         signature can change.
1486         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1487         can change.
1488         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1489         (cgraph_function_versioning): We can not change signature of functions
1490         that don't allow that.
1491         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1492         (lto_input_node): Likewise.
1493         * ipa-inline.c (compute_inline_parameters): Compute
1494         local.can_change_signature.
1495         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1496         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1497         functions that can not change signature.
1498         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1499         init_cumulative_args): Do not use local calling conventions
1500         for functions that can not change signature.
1501
1502 2011-01-22  Jan Hubicka  <jh@suse.cz>
1503
1504         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1505
1506 2011-01-26  Richard Guenther  <rguenther@suse.de>
1507
1508         PR tree-optimization/47190
1509         * cgraphunit.c (process_common_attributes): New function.
1510         (process_function_and_variable_attributes): Use it.
1511
1512 2011-01-26  Richard Guenther  <rguenther@suse.de>
1513
1514         PR lto/47423
1515         * cgraphbuild.c (record_eh_tables): Record reference to personality
1516         function.
1517
1518 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1519
1520         PR debug/45454
1521         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1522         non-debug insns from moving up.
1523
1524 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1525
1526         PR target/40125
1527         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1528         t-dlldir{,-x} fragment for build and add it to tmake_file.
1529         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1530         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1531         * config/i386/t-dlldir: New file.
1532         (SHLIB_DLLDIR): Define.
1533         * config/i386/t-dlldir-x: New file.
1534         (SHLIB_DLLDIR): Define.
1535         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1536         (SHLIB_INSTALL): Use it.
1537
1538 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1539
1540         PR target/47246
1541         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1542         lower bound of the allowed Thumb-2 coprocessor load/store
1543         index range to -256. Add explaining comment.
1544
1545 2011-01-25  Ian Lance Taylor  <iant@google.com>
1546
1547         * godump.c (go_define): Improve lexing of macro expansion to only
1548         accept expressions which match Go spec.
1549
1550 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1551
1552         PR c++/43601
1553         * tree.c (handle_dll_attribute): Handle it.
1554         * doc/extend.texi (@item dllexport): Mention it.
1555         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1556
1557 2011-01-25  Ian Lance Taylor  <iant@google.com>
1558
1559         PR tree-optimization/26854
1560         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1561         (decl_jump_unsafe): Move higher in file, with no other change.
1562         (bind): Set has_jump_unsafe_decl if appropriate.
1563         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1564         (check_earlier_gotos): Likewise.
1565         (c_check_switch_jump_warnings): Likewise.
1566
1567 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1568
1569         * doc/invoke.texi (Warning Options): Add missing hyphen.
1570         (-fprofile-dir): Minor grammatical fixes.
1571         (-fbranch-probabilities): Likewise.
1572
1573 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1574
1575         PR debug/45136
1576         PR debug/45130
1577         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1578         debug insns.
1579         (no_real_insns_p, schedule_block, set_priorities): Drop special
1580         treatment of boundary debug insns.
1581         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1582         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1583         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1584         (BOUNDARY_DEBUG_INSN_P): Likewise.
1585         (SCHEDULE_DEBUG_INSN_P): Likewise.
1586         * sched-rgn.c (init_ready_list): Drop special treatment of
1587         boundary debug insns.
1588         * final.c (rest_of_clean-state): Clear notes' BB.
1589
1590 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * Makefile.in (LAMBDA_H): Removed.
1593         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1594         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1595         lambda-trans.o, and tree-loop-linear.o.
1596         (lto-symtab.o): Remove dependence on LAMBDA_H.
1597         (tree-loop-linear.o): Remove rule.
1598         (lambda-mat.o): Same.
1599         (lambda-trans.o): Same.
1600         (lambda-code.o): Same.
1601         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1602         (tree-vect-slp.o): Same.
1603         * hwint.h (gcd): Moved here.
1604         (least_common_multiple): Same.
1605         * lambda-code.c: Removed.
1606         * lambda-mat.c: Removed.
1607         * lambda-trans.c: Removed.
1608         * lambda.h: Removed.
1609         * tree-loop-linear.c: Removed.
1610         * lto-symtab.c: Do not include lambda.h.
1611         * omega.c (gcd): Removed.
1612         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1613         * tree-data-ref.c (print_lambda_vector): Moved here.
1614         (lambda_vector_copy): Same.
1615         (lambda_matrix_copy): Same.
1616         (lambda_matrix_id): Same.
1617         (lambda_vector_first_nz): Same.
1618         (lambda_matrix_row_add): Same.
1619         (lambda_matrix_row_exchange): Same.
1620         (lambda_vector_mult_const): Same.
1621         (lambda_vector_negate): Same.
1622         (lambda_matrix_row_negate): Same.
1623         (lambda_vector_equal): Same.
1624         (lambda_matrix_right_hermite): Same.
1625         * tree-data-ref.h: Do not include lambda.h.
1626         (lambda_vector): Moved here.
1627         (lambda_matrix): Same.
1628         (dependence_level): Same.
1629         (lambda_transform_legal_p): Removed declaration.
1630         (lambda_collect_parameters): Same.
1631         (lambda_compute_access_matrices): Same.
1632         (lambda_vector_gcd): Same.
1633         (lambda_vector_new): Same.
1634         (lambda_vector_clear): Same.
1635         (lambda_vector_lexico_pos): Same.
1636         (lambda_vector_zerop): Same.
1637         (lambda_matrix_new): Same.
1638         * tree-flow.h (least_common_multiple): Removed declaration.
1639         * tree-parloops.c (lambda_trans_matrix): Moved here.
1640         (LTM_MATRIX): Same.
1641         (LTM_ROWSIZE): Same.
1642         (LTM_COLSIZE): Same.
1643         (LTM_DENOMINATOR): Same.
1644         (lambda_trans_matrix_new): Same.
1645         (lambda_matrix_vector_mult): Same.
1646         (lambda_transform_legal_p): Same.
1647         * tree-pass.h (pass_linear_transform): Removed declaration.
1648         * tree-ssa-loop.c (tree_linear_transform): Removed.
1649         (gate_tree_linear_transform): Removed.
1650         (pass_linear_transform): Removed.
1651         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1652         flag_loop_interchange.
1653
1654 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1655
1656         PR tree-optimization/47265
1657         PR tree-optimization/47443
1658         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1659         if name still has some uses.
1660
1661 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1662
1663         PR tree-optimization/47382
1664         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1665         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1666
1667 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1668
1669         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1670         sjlj_except_unwind_info.
1671
1672 2011-01-25  Richard Guenther  <rguenther@suse.de>
1673
1674         PR tree-optimization/47426
1675         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1676         visible functions results escape.
1677
1678 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR target/45701
1681         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1682         (arm_get_frame_offsets): Use it.
1683
1684 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1685             Jakub Jelinek  <jakub@redhat.com>
1686
1687         PR tree-optimization/47271
1688         * tree-if-conv.c (bb_postdominates_preds): New.
1689         (if_convertible_bb_p): Call bb_postdominates_preds.
1690         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1691         (predicate_scalar_phi): Call bb_postdominates_preds.
1692
1693 2011-01-25  Nick Clifton  <nickc@redhat.com>
1694
1695         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1696         * config/rx/rx.c (rx_function_value): Likewise.
1697         (rx_promote_function_mode): Likewise.
1698         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1699         in order to make it legitimate.
1700         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1701         make sure that the first operand is the same as the result register.
1702         (addsi3_unspec): Delete.
1703         (subdi3): Do not accept immediate operands.
1704         (subdi3_internal): Likewise.
1705
1706 2011-01-25  Jeff Law  <law@redhat.com>
1707
1708         PR rtl-optimization/37273
1709         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1710         handle them like argument loads from stack slots.  Do not double
1711         count memory for memory constants and argument loads from stack slots.
1712
1713 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR tree-optimization/47427
1716         PR tree-optimization/47428
1717         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1718         coalesce if the new root var would be TREE_READONLY.
1719
1720 2011-01-25  Richard Guenther  <rguenther@suse.de>
1721
1722         PR middle-end/47414
1723         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1724         correct type for TBAA.
1725
1726 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1729         (close_phi_written_to_memory): Call for_each_index with
1730         dr_indices_valid_in_loop.
1731
1732 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1735         when it is initialized.
1736
1737 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1740         call to graphite_find_data_references_in_stmt.
1741         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1742         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1743         call to graphite_find_data_references_in_stmt.
1744         (analyze_drs_in_stmts): Same.
1745         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1746         in which the scalar analysis of indices is performed.
1747         (create_data_ref): Same.  Update call to dr_analyze_indices.
1748         (find_data_references_in_stmt): Update call to create_data_ref.
1749         (graphite_find_data_references_in_stmt): Same.
1750         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1751         declaration.
1752         (create_data_ref): Same.
1753         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1754         call to create_data_ref.
1755
1756 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * graphite-sese-to-poly.c (build_poly_scop): Move
1759         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1760
1761 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1764         VAR_DECL, PARM_DECL, and RESULT_DECL.
1765
1766 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1769         in a reduction PBB.
1770         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1771         that have already been marked as PBB_IS_REDUCTION.
1772
1773 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * graphite-scop-detection.c (same_close_phi_node): New.
1776         (remove_duplicate_close_phi): New.
1777         (make_close_phi_nodes_unique): New.
1778         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1779
1780 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1783         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1784         of both data references to be the same.
1785
1786 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * graphite-dependences.c (build_lexicographical_constraint): Remove
1789         the gdim parameter.
1790         (build_lexicographical_constraint): Adjust call to
1791         ppl_powerset_is_empty.
1792         (dependence_polyhedron): Same.
1793         (graphite_legal_transform_dr): Same.
1794         (graphite_carried_dependence_level_k): Same.
1795         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1796         parameter.
1797         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1798
1799 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-sese-to-poly.c
1802         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1803         (close_phi_written_to_memory): New.
1804         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1805         and unshare_expr.
1806
1807 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1808
1809         * doc/install.texi: Update the expected version number of PPL to 0.11.
1810         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1811         #if PPL_VERSION_MINOR < 11.
1812
1813 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-dependences.c: Include graphite-cloog-util.h.
1816         (new_poly_ddr): Inlined into dependence_polyhedron.
1817         (free_poly_ddr): Moved close by new_poly_ddr.
1818         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1819         Early return NULL when ppl_powerset_is_empty returns true.
1820         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1821         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1822         (graphite_legal_transform_dr): Call new_poly_ddr.
1823         (graphite_carried_dependence_level_k): Same.
1824         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1825         (dot_transformed_deps_stmt_1): Removed.
1826         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1827         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1828         (dot_deps_1): Call dot_deps_2.
1829         * Makefile.in (graphite-dependences.o): Add missing dependence on
1830         graphite-cloog-util.h.
1831
1832 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1835         (build_lexicographical_constraint): Same.
1836         (dependence_polyhedron_1): Same.
1837         (graphite_legal_transform_dr): Same.
1838         (graphite_carried_dependence_level_k): Same.
1839         * graphite-ppl.c (ppl_powerset_is_empty): New.
1840         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1841         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1842
1843 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1846         the "a followed by b" relation and document it.
1847
1848 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1851         iteration when the bag of constraints is empty.
1852
1853 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1856
1857 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1860         nest and two loop depths as parameters.
1861         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1862         lst_perfect_nestify.
1863
1864 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-dependences.c (print_pddr): Call
1867         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1868
1869 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * graphite-ppl.c (debug_gmp_value): New.
1872         * graphite-ppl.h (debug_gmp_value): Declared.
1873
1874 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1875
1876         * doc/install.texi: Document availability of cloog-0.16.
1877
1878 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1879
1880         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1881         invalid postdominance info.
1882
1883 2011-01-24  Jan Hubicka  <jh@suse.cz>
1884
1885         PR c/21659
1886         * doc/extend.texi (weak pragma): Drop claim that it must
1887         appear before definition.
1888         * varasm.c (merge_weak, declare_weak): Only sanity check
1889         that DECL is not output at a time it is declared weak.
1890
1891 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1892
1893         * machmode.def: Fixed comments.
1894
1895 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1896
1897         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1898
1899 2011-01-24  Paul Koning  <ni1d@arrl.net>
1900
1901         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1902         WORDS_BIG_ENDIAN.
1903
1904 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1905
1906         PR target/46519
1907         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1908         (block_info): Add scanned and prev.
1909         (move_or_delete_vzeroupper_2): Return if the basic block
1910         has been scanned and the upper 128bit state is unchanged
1911         from the last scan.
1912         (move_or_delete_vzeroupper_1): Return true if the exit
1913         state is changed.
1914         (move_or_delete_vzeroupper): Visit basic blocks using the
1915         work-list based algorithm based on vt_find_locations in
1916         var-tracking.c.
1917
1918         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1919
1920 2011-01-24  Nick Clifton  <nickc@redhat.com>
1921
1922         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1923         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1924         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1925         then define __v850e1__.
1926         * doc/invoke.texi: Document -mv850es.
1927
1928 2011-01-24  Richard Henderson  <rth@redhat.com>
1929
1930         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1931         compound unordered comparisons.
1932         * config/rx/rx.c (rx_split_fp_compare): Remove.
1933         * config/rx/rx-protos.h: Update.
1934         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1935         (cbranchsf4): Don't call rx_split_fp_compare.
1936         (*cbranchsf4): Use rx_split_cbranch.
1937         (*cmpsf): Don't accept "i" constraint.
1938         (*conditional_branch): Only valid after reload.
1939         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1940
1941 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1942
1943         PR target/47385
1944         * config/rs6000/altivec.md (vector constant splitters): Add
1945         support for creating vector single precision constants if -mvsx is
1946         used and we would create the constant using Altivec primitives.
1947
1948 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1949             Richard Sandiford  <rdsandiford@googlemail.com>
1950
1951         PR rtl-optimization/47166
1952         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1953         mechanism for PRE_MODIFY and POST_MODIFY.
1954         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1955         reloadreg.
1956
1957 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1958
1959         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1960
1961 2011-01-22  Jan Hubicka  <jh@suse.cz>
1962
1963         PR lto/47333
1964         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1965
1966 2011-01-22  Jan Hubicka  <jh@suse.cz>
1967
1968         PR tree-optimization/43884
1969         PR lto/44334
1970         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1971         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1972
1973 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1974
1975         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1976         * config/s390/s390.c (s390_register_move_cost,
1977         s390_memory_move_cost): New.
1978         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1979
1980 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1981
1982         PR middle-end/47401
1983         * except.c (sjlj_assign_call_site_values): Move setting the
1984         crtl->uses_eh_lsda flag to ...
1985         (sjlj_mark_call_sites): ... here.
1986         (sjlj_emit_function_enter): Support NULL dispatch label.
1987         (sjlj_build_landing_pads): In a function with no landing pads
1988         that still has must-not-throw regions, generate code to register
1989         a personality function with empty LSDA.
1990
1991 2011-01-21  Richard Henderson  <rth@redhat.com>
1992
1993         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1994
1995         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1996
1997         * compare-elim.c: New file.
1998         * Makefile.in (OBJS-common): Add it.
1999         (compare-elim.o): New.
2000         * common.opt (fcompare-elim): New.
2001         * opts.c (default_options_table): Add OPT_fcompare_elim.
2002         * tree-pass.h (pass_compare_elim_after_reload): New.
2003         * passes.c (init_optimization_passes): Add it.
2004         * recog.h: Protect against re-inclusion.
2005         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2006         * doc/invoke.texi (-fcompare-elim): Document it.
2007         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2008         * doc/tm.texi: Rebuild.
2009
2010 2011-01-22  Nick Clifton  <nickc@redhat.com>
2011
2012         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2013         rx_split_fp_compare.
2014
2015 2011-01-22  Nick Clifton  <nickc@redhat.com>
2016
2017         * config/rx/rx.md (UNSPEC_CONST): New.
2018         (deallocate_and_return): Wrap the amount popped off the stack in
2019         an UNSPEC_CONST in order to stop it being rejected by
2020         -mmax-constant-size.
2021         (pop_and_return): Add a "(return)" rtx.
2022         (call): Drop the immediate operand.
2023         (call_internal): Likewise.
2024         (call_value): Likewise.
2025         (call_value_internal): Likewise.
2026         (sibcall_internal): Likewise.
2027         (sibcall_value_internal): Likewise.
2028         (sibcall): Likewise.  Generate an explicit call using
2029         sibcall_internal.
2030         (sibcall_value): Likewise.
2031         (mov<>): FAIL if a constant operand is not legitimate.
2032         (addsi3_unpsec): New pattern.
2033
2034         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2035         (ok_for_max_constant): New function.
2036         (gen_safe_add): New function.
2037         (rx_expand_prologue): Use gen_safe_add.
2038         (rx_expand_epilogue): Likewise.
2039         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2040         UNSPEC CONSTs.
2041
2042 2011-01-21  Jeff Law  <law@redhat.com>
2043
2044         PR tree-optimization/47053
2045         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2046         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2047         statements are deleted.
2048         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2049         is nonempty, then purge dead edges and cleanup the CFG.
2050
2051 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2052
2053         PR debug/47402
2054         Temporarily revert:
2055         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2056         PR debug/47106
2057         * tree-dfa.c (create_var_ann): Mark variable as used.
2058
2059 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR middle-end/45566
2062         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2063         notes from other section in hot/cold partitioning even if
2064         last_action is -3.  Increment call_site_base.
2065
2066         PR rtl-optimization/47366
2067         * fwprop.c (forward_propagate_into): Return bool.  If
2068         any changes are made, -fnon-call-exceptions is used and
2069         REG_EH_REGION note is present, call purge_dead_edges
2070         and return true if it purged anything.
2071         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2072         any EH edges were purged.
2073
2074 2011-01-21  Jeff Law  <law@redhat.com>
2075
2076         PR rtl-optimization/41619
2077         * caller-save.c (setup_save_areas): Break out code to determine
2078         which hard regs are live across calls by examining the reload chains
2079         so that it is always used.
2080         Eliminate code which checked REG_N_CALLS_CROSSED.
2081
2082 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2083
2084         PR tree-optimization/47355
2085         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2086         NOP has non-debug uses beyond PHIs in new_bb.
2087
2088 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2089
2090         PR debug/47106
2091         * cfgexpand.c (account_used_vars_for_block): Only account vars
2092         that are annotated as used.
2093         (estimated_stack_frame_size): Don't set TREE_USED.
2094         * tree-dfa.c (create_var_ann): Mark variable as used.
2095
2096 2011-01-21  Richard Guenther  <rguenther@suse.de>
2097
2098         PR middle-end/47395
2099         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2100
2101 2011-01-21  Richard Guenther  <rguenther@suse.de>
2102
2103         PR tree-optimization/47365
2104         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2105         (vn_reference_lookup_pieces): Adjust.
2106         (vn_reference_lookup): Likewise.
2107         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2108         (vn_reference_lookup_3): Only look through kills if in
2109         VN_WALKREWRITE mode.
2110         (vn_reference_lookup_pieces): Adjust.
2111         (vn_reference_lookup): Likewise.
2112         (visit_reference_op_load): Likewise.
2113         (visit_reference_op_store): Likewise.
2114         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2115         (compute_avail): Likewise.
2116         (eliminate): Likewise.
2117
2118 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2119
2120         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2121         DECL_IGNORED_P non-reg vars if they are used.
2122
2123         PR tree-optimization/47391
2124         * varpool.c (const_value_known_p): Return false if
2125         decl is volatile.
2126
2127 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2128
2129         PR bootstrap/47215
2130         * config/i386/i386.c (ix86_local_alignment): Handle
2131         case for va_list_type_node is nil.
2132         (ix86_canonical_va_list_type): Likewise.
2133
2134 2011-01-21  Alan Modra  <amodra@gmail.com>
2135
2136         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2137         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2138
2139 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2140
2141         * config/arm/arm.md (define_attr type): Rename f_load
2142         and f_store to f_fpa_load and f_fpa_store. Update.
2143         (write_conflict): Deal with rename fallout.
2144         (*push_fp_multi): Likewise.
2145         * config/arm/fpa.md (f_load): Use f_fpa_load.
2146         (f_store): Use f_fpa_store.
2147         (*movsf_fpa): Likewise.
2148         (*movdf_fpa): Likewise.
2149         (*movxf_fpa): Likewise.
2150         (*thumb2_movsf_fpa): Likewise.
2151         (*thumb2_movdf_fpa): Likewise.
2152         (*thumb2_movxf_fpa): Likewise.
2153         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2154         f_loadd and f_stored.
2155         (*thumb2_movdi_vfp): Likewise.
2156         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2157         (*thumb2_movsi_vfp): Likewise.
2158         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2159         Use f_loads instead of f_load.
2160         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2161
2162 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2163
2164         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2165         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2166         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2167         (xtensa_mode_dependent_address_p): New function.
2168         (constantpool_address_p): Make static. Change return type to bool.
2169         Change argument type to const_rtx. Use CONST_INT_P predicate.
2170
2171 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2172
2173         PR debug/46583
2174         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2175
2176 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2177
2178         PR debug/47283
2179         * cfgexpand.c (expand_debug_expr): Instead of generating
2180         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2181         etc. handling.
2182
2183 2011-01-20  Richard Guenther  <rguenther@suse.de>
2184
2185         PR middle-end/47370
2186         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2187         the pointer operand of MEM_REFs.
2188
2189 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR tree-optimization/46130
2192         * ipa-split.c (consider_split): If return_bb contains non-virtual
2193         PHIs other than for retval or if split_function would not adjust it,
2194         refuse to split.
2195
2196 2011-01-20  Richard Guenther  <rguenther@suse.de>
2197
2198         PR tree-optimization/47167
2199         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2200         Revert previous change, only avoid enumeral type changes.
2201
2202 2011-01-19  Mike Stump  <mikestump@comcast.net>
2203
2204         * doc/tm.texi.in (BRANCH_COST): Englishify.
2205         * doc/tm.texi (BRANCH_COST): Likewise.
2206
2207 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2208
2209         PR c++/47291
2210         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2211         (gen_scheduled_generic_parms_dies): New functions.
2212         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2213         generation for the end of CU compilation.
2214         (dwarf2out_finish): Generate template parameters DIEs here.
2215
2216 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2217
2218         PR debug/46240
2219         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2220         debug bind stmt on merge edges.
2221
2222 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2223
2224         PR debug/47079
2225         PR debug/46724
2226         * function.c (instantiate_expr): Instantiate incoming rtl of
2227         implicit arguments, and recurse on VALUE_EXPRs.
2228         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2229         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2230
2231 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2232
2233         * c-parser.c (c_parser_for_statement): Initialize
2234         collection_expression.
2235
2236 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2237
2238         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2239
2240 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2241
2242         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2243         (LINK_SHLIB_SPEC): Don't use %(link_path).
2244         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2245
2246 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2247
2248         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2249         (NO_SHARED_LIB_SUPPORT): Remove.
2250         (LINK_SHLIB_SPEC): Remove one conditional definition.
2251
2252 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2253
2254         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2255         %{call_shared}.
2256         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2257         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2258         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2259         %{call_shared} and conditionals on these options not being passed.
2260         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2261         %{call_shared}.
2262
2263 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2264
2265         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2266         simplify.
2267
2268         * ipa-split.c: Spelling fixes.
2269
2270 2011-01-19  Richard Henderson  <rth@redhat.com>
2271
2272         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2273         (*mulsi3): Likewise.
2274
2275         * longlong.h [__mn10300__] (count_leading_zeros): New.
2276         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2277         [__mn10300__] (add_ssaaaa, subddmmss): New.
2278         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2279         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2280
2281 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2282
2283         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2284
2285 2011-01-19  Richard Henderson  <rth@redhat.com>
2286
2287         * config/mn10300/mn10300.md (addsi3_flags): New.
2288         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2289         (subsi3_flags, subc_internal, subdi3): New.
2290         (subdi3_internal, *subdi3_degenerate): New.
2291         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2292
2293         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2294         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2295         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2296         * config/mn10300/mn10300-protos.h: Update.
2297         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2298         (return_ret): Likewise.  Rename from return_internal_regs.
2299         (return_internal): Remove.
2300
2301         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2302         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2303         (mn10300_legitimate_constant_p): Likewise.
2304         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2305         (mn10300_frame_size): New.
2306         (mn10300_expand_prologue): Use it.
2307         (mn10300_expand_epilogue): Likewise.
2308         (mn10300_initial_offset): Likewise.
2309         * config/mn10300/mn10300-protos.h: Update.
2310         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2311         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2312         (prologue, epilogue, return_internal): Tidy output code.
2313         (mn10300_store_multiple_operation, return): Likewise.
2314         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2315         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2316         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2317         (load_pic, am33_load_pic): New.
2318         (mn10300_load_pic0, mn10300_load_pic1): New.
2319
2320         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2321         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2322         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2323         (cc_flags_for_mode, cc_flags_for_code): New.
2324         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2325         overflow flag is not valid.  Validate that the flags we need
2326         for the comparison are valid.
2327         (mn10300_output_cmp): Remove.
2328         (mn10300_output_add): New.
2329         (mn10300_select_cc_mode): Use cc_flags_for_code.
2330         (mn10300_split_cbranch): New.
2331         (mn10300_match_ccmode): New.
2332         (mn10300_split_and_operand_count): New.
2333         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2334         to the function.
2335         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2336         (addsi3): ... here.  Use mn10300_output_add.
2337         (*addsi3_flags): New.
2338         (*am33_subsi3, *mn10300_subsi3): Merge...
2339         (subsi3): ... here.  Use attribute isa.
2340         (*subsi3_flags): New.
2341         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2342         when possible.
2343         (*am33_andsi3, *mn10300_andsi3): Merge...
2344         (andsi3): ... here.
2345         (*andsi3_flags): New.
2346         (andsi3 splitters): New.
2347         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2348         (iorsi3): ... here.
2349         (*iorsi3_flags): New.
2350         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2351         (xorsi3): ... here.
2352         (*xorsi3_flags): New.
2353         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2354         (one_cmplsi2): ... here.
2355         (*one_cmplsi2_flags): New.
2356         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2357         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2358         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2359         use matching constraints to eliminate a self-comparison.
2360         (*integer_conditional_branch): Rename from integer_conditional_branch.
2361         Use int_mode_flags to match CC_REG.
2362         (*cbranchsi4_btst, *btstsi): New.
2363         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
2364         mn10300_split_cbranch.
2365         (*am33_cmpsf): Rename from am33_cmpsf.
2366         (*float_conditional_branch): Rename from float_conditional_branch.
2367         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2368         (zero_extendqisi2): ... here.
2369         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2370         (zero_extendhisi2): ... here.
2371         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2372         (extendqisi2): ... here.
2373         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2374         (extendhisi2): ... here.
2375         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2376         (ashlsi3): ... here.
2377         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2378         (lshrsi3): ... here.
2379         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2380         (ashrsi3): ... here.
2381         (consecutive add peephole): Remove.
2382         * config/mn10300/predicates.md (label_ref_operand): New.
2383         (int_mode_flags): New.
2384         (CCZN_comparison_operator): New.
2385
2386         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2387         (throughput_42_latency_43): New reservation.
2388         (mulsidi3, umulsidi3): New expanders.
2389         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2390         the MDR register to allocation; separately allocate the low and
2391         high parts of the DImode result.
2392         (umulsidi3_internal): Similarly.
2393         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2394         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2395         (udivsi3, umodsi3): Remove.
2396         (udivmodsi4, divmodsi4): New expanders.
2397         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2398         (*divmodsi4): Simiarly.
2399         (ext_internal): New.
2400
2401         * config/mn10300/constraints.md ("z"): New constraint.
2402         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2403         (FIXED_REGISTERS): Don't fix MDR.
2404         (CALL_USED_REGSITERS): Reformat nicely.
2405         (REG_ALLOC_ORDER): Add MDR.
2406         (enum regclass): Add MDR_REGS.
2407         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2408         (IRA_COVER_CLASSES): Add MDR_REGS.
2409         (REGNO_REG_CLASS): Handle MDR_REG.
2410         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2411         (mn10300_register_move_cost): Likewise.
2412         * config/mn10300/mn10300.md (MDR_REG): New.
2413         (*movsi_internal): Handle moves to/from MDR_REGS.
2414
2415         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2416         POST_MODIFY.
2417         (mn10300_secondary_reload): Tidy combination reload classes.
2418         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2419         addresses for AM33.  Allow symbolic offsets for reg+imm.
2420         (mn10300_regno_in_class_p): New.
2421         (mn10300_legitimize_reload_address): New.
2422         * config/mn10300/mn10300.h (enum reg_class): Remove
2423         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2424         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2425         SP_OR_GENERAL_REGS.
2426         (REG_CLASS_NAMES): Update to match.
2427         (REG_CLASS_CONTENTS): Likewise.
2428         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2429         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2430         (REGNO_IN_RANGE_P): Remove.
2431         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2432         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2433         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2434         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2435         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2436         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2437         (REGNO_GENERAL_P): New.
2438         (HAVE_POST_MODIFY_DISP): New.
2439         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2440         (LEGITIMIZE_RELOAD_ADDRESS): New.
2441         * config/mn10300/mn10300-protos.h: Update.
2442
2443         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2444         DATA_REGS for AM33 stack-pointer destination.
2445         (mn10300_preferred_output_reload_class): Likewise.
2446         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2447         into a form appropriate for ...
2448         (TARGET_SECONDARY_RELOAD): New.
2449         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2450         * config/mn10300/mn10300-protos.h: Update.
2451         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2452         reload_insi; use the "A" constraint for the scratch; handle AM33
2453         moves of sp to non-address registers.
2454
2455         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2456         (*movqi_internal): ... here.
2457         (*am33_movhi, *mn10300_movhi): Merge into...
2458         (*movhi_internal): ... here.
2459         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2460         as the source/destination of moves from/to SP.
2461         (movsf): Only allow for AM33-2.
2462         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2463         any integer constant constraint.  Only allow for AM33-2.  Tidy
2464         all of the alternative outputs.
2465         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2466         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2467         for MN103.
2468         (udivsi3, umodsi3): New patterns for MN103 only.
2469
2470 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2471
2472         * doc/tm.texi.in: Spell out that a lack of register class unions
2473         can lead to ICEs.
2474         * doc/tm.texi: Regenerate.
2475
2476 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR rtl-optimization/47337
2479         * dce.c (check_argument_store): New function.
2480         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2481
2482         PR tree-optimization/47290
2483         * tree-eh.c (infinite_empty_loop_p): New function.
2484         (cleanup_empty_eh): Use it.
2485
2486 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2487
2488         PR target/46997
2489         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2490         (a64_expand_widen_sum): Ditto.
2491         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2492         (vec_extract_evenodd_help): Ditto.
2493         (vec_extract_evenv4hi): Ditto.
2494         (vec_extract_oddv4hi): Ditto.
2495         (vec_extract_evenv2si): Ditto.
2496         (vec_extract_oddv2si): Ditto.
2497         (vec_extract_evenv2sf): Ditto.
2498         (vec_extract_oddv2sf): Ditto.
2499         (vec_pack_trunc_v4hi: Ditto.
2500         (vec_pack_trunc_v2si): Ditto.
2501         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2502         (vec_interleave_highv8qi): Ditto.
2503         (mix1_r): Ditto.
2504         (vec_extract_oddv8qi): Ditto.
2505         (vec_interleave_lowv4hi): Ditto.
2506         (vec_interleave_highv4hi): Ditto.
2507         (vec_interleave_lowv2si): Ditto.
2508         (vec_interleave_highv2si): Ditto.
2509
2510 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2511
2512         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2513         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2514         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2515         (pa_c_mode_for_suffix): New.
2516         (TARGET_EXPAND_BUILTIN): Define.
2517         (TARGET_C_MODE_FOR_SUFFIX): Define.
2518         (pa_builtins): Define.
2519         (pa_init_builtins): Register __float128 type and init new support
2520         builtins.
2521         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2522         * config/pa/quadlib.c (_U_Qfcopysign): New.
2523
2524 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2525
2526         PR middle-end/46894
2527         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2528         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2529         are defined.
2530
2531 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2532
2533         PR tree-optimization/47179
2534         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2535         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2536
2537 2011-01-18  Richard Guenther  <rguenther@suse.de>
2538
2539         PR rtl-optimization/47216
2540         * emit-rtl.c: Include tree-flow.h.
2541         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2542         of replicating it with different semantics.
2543         * Makefile.in (emit-rtl.o): Adjust.
2544
2545 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2546
2547         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2548         (cortex_a9_dp): Handle neon types correctly.
2549
2550 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2551
2552         PR rtl-optimization/47299
2553         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2554         subtarget.  Use normal multiplication if both operands are constants.
2555         * expmed.c (expand_widening_mult): Don't try to optimize constant
2556         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2557         before using it.
2558
2559 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2560
2561         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2562         spacing after 'e.g.', typos, comma, hyphenation.
2563
2564 2011-01-17  Richard Henderson  <rth@redhat.com>
2565
2566         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2567         (rx_restricted_mem_operand): New.
2568         (rx_shift_operand): Use register_operand.
2569         (rx_source_operand, rx_compare_operand): Likewise.
2570         * config/rx/rx.md (addsi3_flags): New expander.
2571         (adddi3): Rewrite as expander.
2572         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2573         (subsi3_flags): New expander.
2574         (subdi3): Rewrite as expander.
2575         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2576
2577         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2578         (rx_init_builtins): Remove sat builtin.
2579         (rx_expand_builtin): Likewise.
2580         * config/rx/rx.md (ssaddsi3): New.
2581         (*sat): Rename from sat.  Represent the CC_REG input.
2582
2583         * config/rx/predicates.md (rshift_operator): New.
2584         * config/rx/rx.c (rx_expand_insv): Remove.
2585         * config/rx/rx-protos.h: Update.
2586         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2587         operand to the canonical position.
2588         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2589         (*bitclr, *bitclr_in_memory): Similarly.
2590         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2591         (insv): Retain the zero_extract in the expansion.
2592
2593         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2594         (bswaphi2, bitinvert, revw): Likewise.
2595
2596         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2597         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2598         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2599         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2600         (bitset, bitset_in_memory): Likewise.
2601         (bitinvert, bitinvert_in_memory): Likewise.
2602         (bitclr, bitclr_in_memory): Likewise.
2603         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2604         (rx_strend, rx_cmpstrn): Likewise.
2605         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2606         (bitop peep2 patterns): Remove.
2607
2608         * config/rx/rx.c (rx_match_ccmode): New.
2609         * config/rx/rx-protos.h: Update.
2610         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2611         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2612         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2613         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2614         (fix_truncsfsi2, floatsisf2): Likewise.
2615         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2616         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2617         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2618         (*subsi3_flags, *xorsi3_flags): New.
2619
2620         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2621
2622         * config/rx/rx.c (rx_print_operand): Remove workaround for
2623         unsplit comparison operations.
2624
2625         * config/rx/rx.md (movsicc): Split after reload.
2626         (*movsicc): Merge *movsieq and *movsine via match_operator.
2627         (*stcc): New pattern.
2628
2629         * config/rx/rx.c (rx_float_compare_mode): Remove.
2630         * config/rx/rx.h (rx_float_compare_mode): Remove.
2631         * config/rx/rx.md (cstoresi4): Split after reload.
2632         (*sccc): New pattern.
2633
2634         * config/rx/predicates.md (label_ref_operand): New.
2635         (rx_z_comparison_operator): New.
2636         (rx_zs_comparison_operator): New.
2637         (rx_fp_comparison_operator): New.
2638         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2639         Validate that the flags are set properly for the comparison.
2640         (rx_gen_cond_branch_template): Remove.
2641         (rx_cc_modes_compatible): Remove.
2642         (mode_from_flags): New.
2643         (flags_from_code): Rename from flags_needed_for_conditional.
2644         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2645         (rx_select_cc_mode): Likewise.
2646         (rx_split_fp_compare): New.
2647         (rx_split_cbranch): New.
2648         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2649         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2650         (*cbranchsf4): Similarly.
2651         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2652         match_operator and rx_split_cbranch.
2653         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2654         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2655         (*cmpsi): Rename from cmpsi.
2656         (*tstsi): Rename from tstsi.
2657         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2658         (*conditional_branch): Rename from conditional_branch.
2659         (*reveresed_conditional_branch): Remove.
2660         (b<code>): Remove expander.
2661         * config/rx/rx-protos.h: Update.
2662
2663         * config/rx/rx.c (rx_compare_redundant): Remove.
2664         * config/rx/rx.md (cmpsi): Don't use it.
2665         * config/rx/rx-protos.h: Update.
2666
2667         * config/rx/rx-modes.def (CC_F): New mode.
2668         * config/rx/rx.c (rx_select_cc_mode): New.
2669         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2670         * config/rx/rx-protos.h: Update.
2671
2672 2011-01-17  Richard Henderson  <rth@redhat.com>
2673
2674         * except.c (dump_eh_tree): Fix stray ; after for statement.
2675
2676 2011-01-17  Richard Guenther  <rguenther@suse.de>
2677
2678         PR tree-optimization/47313
2679         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2680         handling before copying the body.  Properly deal with
2681         by-reference result in SSA form.
2682
2683 2011-01-17  Ian Lance Taylor  <iant@google.com>
2684
2685         PR target/47219
2686         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2687         (struct_value_alias_set): Don't define.
2688         (sparc_option_override): Don't set sparc_sr_alias_set and
2689         struct_value_alias_set.
2690         (save_or_restore_regs): Use gen_frame_mem rather than calling
2691         set_mem_alias_set.
2692         (sparc_struct_value_rtx): Likewise.
2693
2694 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2695
2696         PR target/47318
2697         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2698         __m128i.
2699         (_mm_maskstore_pd): Likewise.
2700         (_mm_maskload_ps): Likewise.
2701         (_mm_maskstore_ps): Likewise.
2702         (_mm256_maskload_pd): Change mask to __m256i.
2703         (_mm256_maskstore_pd): Likewise.
2704         (_mm256_maskload_ps): Likewise.
2705         (_mm256_maskstore_ps): Likewise.
2706
2707         * config/i386/i386-builtin-types.def: Updated.
2708         (ix86_expand_special_args_builtin): Likewise.
2709
2710         * config/i386/i386.c (bdesc_special_args): Update
2711         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2712         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2713         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2714         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2715
2716         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2717         Use <avxpermvecmode> on mask register.
2718         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2719
2720 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2721             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2722             Eric Botcazou  <ebotcazou@adacore.com>
2723
2724         PR target/46655
2725         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2726         if <= USHRT_MAX in 32-bit mode.
2727
2728 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2729
2730         * doc/install.texi (Configuration, Specific): Wrap long
2731         lines in examples.  Allow line wrapping in long options
2732         and URLs where beneficial for PDF output.
2733
2734 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2735
2736         * config/mips/mips.c (mips_classify_symbol): Don't return
2737         SYMBOL_PC_RELATIVE for nonlocal labels.
2738
2739 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2740
2741         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2742
2743 2011-01-15  Jan Hubicka  <jh@suse.cz>
2744
2745         PR tree-optimization/47276
2746         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2747         declarations as needed.
2748
2749 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2750
2751         * common.opt (fdevirtualize): New flag.
2752         * doc/invoke.texi (Option Summary): Document it.
2753         * opts.c (default_options_table): Add devirtualize flag.
2754         * ipa-prop.c (detect_type_change): Return immediately if
2755         devirtualize flag is not set.
2756         (detect_type_change_ssa): Likewise.
2757         (compute_known_type_jump_func): Likewise.
2758         (ipa_analyze_virtual_call_uses): Likewise.
2759
2760 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2761
2762         PR tree-optimization/45934
2763         PR tree-optimization/46302
2764         * ipa-prop.c (type_change_info): New type.
2765         (stmt_may_be_vtbl_ptr_store): New function.
2766         (check_stmt_for_type_change): Likewise.
2767         (detect_type_change): Likewise.
2768         (detect_type_change_ssa): Likewise.
2769         (compute_complex_assign_jump_func): Check for dynamic type change.
2770         (compute_complex_ancestor_jump_func): Likewise.
2771         (compute_known_type_jump_func): Likewise.
2772         (compute_scalar_jump_functions): Likewise.
2773         (ipa_analyze_virtual_call_uses): Likewise.
2774         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2775
2776 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2777
2778         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2779         * config/i386/i386.opt (msse5): New Alias.
2780
2781 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2782
2783         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2784         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2785         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2786         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2787
2788 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2789
2790         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2791         -mcpu options.
2792         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2793         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2794         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2795         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2796         Likewise.
2797         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2798
2799 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2800
2801         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2802
2803 2011-01-14  Mike Stump  <mikestump@comcast.net>
2804
2805         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2806         * config/fr30/fr30.md: Likweise
2807         (movsi_push): Likewise.
2808         (movsi_pop): Likewise.
2809         (enter_func): Likewise.
2810         * config/moxie/moxie.md (movsi_push): Likewise.
2811         (movsi_pop): Likewise.
2812
2813 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2814
2815         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2816         %{no_archive} %{exact_version}.
2817         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2818         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2819         %{no_archive} %{exact_version}.
2820         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2821         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2822         * config/mips/vxworks.h: Likewise.
2823
2824 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2825
2826         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2827
2828 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2829
2830         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2831         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2832
2833 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2834
2835         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2836         -nodefaultlib.
2837
2838 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2839
2840         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2841         for mcpu not cpu.
2842         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2843         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2844         not cpu.
2845         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2846         Don't handle -shlib.
2847
2848 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2849
2850         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2851         (CC1_SPEC): Don't handle -profile.
2852
2853 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2854
2855         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2856         * config/mips/mips.h (CC1_SPEC): Likewise.
2857
2858 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2859
2860         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2861         * config/mips/mips.h (CC1_SPEC): Likewise.
2862
2863 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2864
2865         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2866         * config/m32r/linux.h (LINK_SPEC): Likewise.
2867         * config/mips/linux.h (LINK_SPEC): Likewise.
2868         * config/mips/linux64.h (LINK_SPEC): Likewise.
2869         * config/sparc/linux.h (LINK_SPEC): Likewise.
2870         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2871         LINK_SPEC): Likewise.
2872         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2873
2874 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2875
2876         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2877         %{version:-v}.
2878         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2879
2880 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2881
2882         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2883         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2884
2885 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2886
2887         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2888
2889 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2890
2891         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2892         supports -Bstatic/-Bdynamic.
2893         * configure: Regenerate.
2894
2895 2011-01-14  Jan Hubicka  <jh@suse.cz>
2896         Jack Howarth <howarth@bromo.med.uc.edu>
2897
2898         PR target/46037
2899         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2900         when checking debug_info_level. Test write_symbols instead of
2901         debug_hooks->var_location when setting flag_var_tracking_uninit.
2902
2903 2011-01-14  Richard Guenther  <rguenther@suse.de>
2904
2905         PR tree-optimization/47179
2906         * target.def (ref_may_alias_errno): New target hook.
2907         * targhooks.h (default_ref_may_alias_errno): Declare.
2908         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2909         (default_ref_may_alias_errno): New function.
2910         * target.h (struct ao_ref_s): Declare.
2911         * tree-ssa-alias.c: Include target.h.
2912         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2913         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2914         (targhooks.o): Likewise.
2915         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2916         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2917
2918 2011-01-14  Richard Guenther  <rguenther@suse.de>
2919
2920         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2921
2922 2011-01-14  Richard Guenther  <rguenther@suse.de>
2923
2924         PR tree-optimization/47280
2925         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2926         return CFG changes.
2927         (tree_ssa_forward_propagate_single_use_vars): Deal with
2928         CFG changes from associate_plusminus.
2929
2930 2011-01-14  Richard Guenther  <rguenther@suse.de>
2931
2932         PR middle-end/47281
2933         Revert
2934         2011-01-11  Richard Guenther  <rguenther@suse.de>
2935
2936         PR tree-optimization/46076
2937         * tree-ssa.c (useless_type_conversion_p): Conversions from
2938         unprototyped to empty argument list function types are useless.
2939
2940 2011-01-14  Richard Guenther  <rguenther@suse.de>
2941
2942         PR tree-optimization/47286
2943         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2944
2945 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2946
2947         PR middle-end/46823
2948         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2949
2950 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2951
2952         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2953         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2954         * config/xtensa/xtensa.c (xtensa_libcall_value,
2955         xtensa_function_value_regno_p): New functions.
2956         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2957
2958 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2959
2960         PR c++/47213
2961         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2962         PE specific hook.
2963         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2964         New function prototype.
2965         * config/i386/winnt.c (i386_pe_assemble_visibility):
2966         Warn only if attribute was specified by user.
2967
2968 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2969
2970         PR target/47251
2971         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2972         floating point.
2973         (floatunsdidf2_fcfidu): Ditto.
2974
2975 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2976
2977         * config/s390/s390.c (print_operand_address): Replace 'error' with
2978         'output_operand_lossage'.
2979         (print_operand): Likewise.
2980
2981 2011-01-13  Jeff Law  <law@redhat.com>
2982
2983         PR rtl-optimization/39077
2984         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2985         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2986         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2987         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2988         * gcse.c (prune_insertions_deletions): New function.
2989         (compute_pre_data): Use it.
2990
2991 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2992
2993         PR debug/PR46973
2994         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2995         static function.
2996         (prune_unused_types_mark): Use it.
2997
2998 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2999
3000         PR rtl-optimization/45352
3001         * sel-sched.c: Update copyright years.
3002         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3003         in the advancing loop when we have issued issue_rate insns.
3004
3005 2011-01-12  Richard Henderson  <rth@redhat.com>
3006
3007         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3008         (TARGET_MD_ASM_CLOBBERS): New.
3009
3010         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3011         (TARGET_DELEGITIMIZE_ADDRESS): New.
3012
3013         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3014         (clzsi2, *bsch): New patterns.
3015
3016         * config/mn10300/mn10300.md (INT): New mode iterator.
3017         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3018
3019         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3020         flag_split_wide_types.
3021
3022         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3023         (mn10300_trampoline_init): Rewrite without a template, an immediate
3024         load and a direct branch.
3025         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3026
3027 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3028
3029         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3030         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3031         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3032         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3033
3034 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3035
3036         PR debug/47209
3037         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3038         of type.
3039
3040 2011-01-12  Jan Hubicka  <jh@suse.cz>
3041
3042         PR driver/47244
3043         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3044         (PLUGIN_COND_CLOSE): New macro.
3045         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3046
3047 2011-01-12  Richard Guenther  <rguenther@suse.de>
3048
3049         PR lto/47259
3050         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3051         register variables in a MEM_REF.
3052
3053 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3054
3055         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3056         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3057         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3058         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3059         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3060         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3061         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3062         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3063         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3064         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3065         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3066         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3067         * config/gnu-user.h: New.  Copied from linux.h.
3068         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3069         GNU_USER_TARGET_STARTFILE_SPEC.
3070         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3071         GNU_USER_TARGET_ENDFILE_SPEC.
3072         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3073         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3074         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3075         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3076         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3077         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3078         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3079         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3080         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3081         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3082         * config/arm/linux-eabi.h (CC1_SPEC): Use
3083         GNU_USER_TARGET_CC1_SPEC.
3084         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3085         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3086         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3087         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3088         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3089         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3090         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3091         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3092
3093 2011-01-12  Richard Guenther  <rguenther@suse.de>
3094
3095         PR other/46946
3096         * doc/invoke.texi (ffast-math): Document it is turned on
3097         with -Ofast.
3098
3099 2011-01-12  Jan Hubicka  <jh@suse.cz>
3100
3101         PR tree-optimization/47233
3102         * opts.c (common_handle_option): Disable ipa-reference with profile
3103         feedback.
3104
3105 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3106
3107         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3108         error message.
3109
3110 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3111
3112         * c-parser.c (c_lex_one_token): Updated and reindented some
3113         comments.  No changes in code.
3114
3115 2011-01-11  Ian Lance Taylor  <iant@google.com>
3116
3117         * godump.c (go_output_var): Don't output the variable if there is
3118         already a type with the same name.
3119
3120 2011-01-11  Ian Lance Taylor  <iant@google.com>
3121
3122         * godump.c (go_format_type): Don't generate float80.
3123
3124 2011-01-11  Richard Henderson  <rth@redhat.com>
3125
3126         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3127         declaration.  Rewrite for both speed and size.
3128         (mn10300_address_cost_1): Remove.
3129         (mn10300_register_move_cost): New.
3130         (mn10300_memory_move_cost): New.
3131         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3132         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3133         extensions, shifts, BSWAP, CLZ.
3134         (mn10300_wide_const_load_uses_clr): Remove.
3135         (TARGET_REGISTER_MOVE_COST): New.
3136         (TARGET_MEMORY_MOVE_COST): New.
3137         * config/mn10300/mn10300-protos.h: Update.
3138         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3139
3140         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3141         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3142         * config/mn10300/mn10300-protos.h: Update.
3143         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3144         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3145         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3146         (*test_int_bitfield, *test_byte_bitfield): Remove.
3147         (*bit_test, *subreg_bit_test): Remove.
3148         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3149
3150         * config/mn10300/constraints.md ("c"): Rename from "A".
3151         ("A", "D"): New constraint letters.
3152         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3153         (fmssf4, fnmasf4, fnmssf4): Likewise.
3154
3155         * config/mn10300/mn10300.md (isa): New attribute.
3156         (enabled): New attribute.
3157
3158         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3159         (abssf2, negsf2): Define only for hardware fp.
3160         (sqrtsf2): Reformat.
3161         (addsf3, subsf3, mulsf3): Merge expander and insn.
3162
3163         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3164         (DEBUGGER_AUTO_OFFSET): Remove.
3165         (DEBUGGER_ARG_OFFSET): Remove.
3166
3167         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3168         Emit register stores with the same offsets as the hardware.
3169         (mn10300_store_multiple_operation): Don't check that the register
3170         save offsets are monotonic.
3171         * config/mn10300/mn10300-protos.h: Update.
3172
3173         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3174
3175         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3176         in terms of the value on the stack, not the MDR register.
3177
3178 2011-01-11  Jan Hubicka  <jh@suse.cz>
3179
3180         PR lto/45721
3181         PR lto/45375
3182         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3183         (symbol_alias_set_destroy, symbol_alias_set_contains,
3184         propagate_aliases_backward): Declare.
3185         * lto-streamer-out.c (struct sets): New sturcture.
3186         (trivally_defined_alias): New function.
3187         (output_alias_pair_p): Rewrite.
3188         (output_unreferenced_globals): Fix output of alias pairs.
3189         (produce_symtab): Likewise.
3190         * ipa.c (function_and_variable_visibility): Set weak alias destination
3191         as needed in lto.
3192         * varasm.c (symbol_alias_set_t): Remove.
3193         (symbol_alias_set_destroy): Export.
3194         (propagate_aliases_forward, propagate_aliases_backward): New functions
3195         based on ...
3196         (compute_visible_aliases): ... this one; remove.
3197         (trivially_visible_alias): New
3198         (trivially_defined_alias): New.
3199         (remove_unreachable_alias_pairs): Rewrite.
3200         (finish_aliases_1): Reorganize code checking if alias is defined.
3201         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3202         in LTO mode.
3203
3204 2011-01-11  Richard Guenther  <rguenther@suse.de>
3205
3206         PR tree-optimization/46076
3207         * tree-ssa.c (useless_type_conversion_p): Conversions from
3208         unprototyped to empty argument list function types are useless.
3209
3210 2011-01-11  Richard Guenther  <rguenther@suse.de>
3211
3212         PR middle-end/45235
3213         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3214         volatile MEMs as MEM_READONLY_P.
3215
3216 2011-01-11  Richard Guenther  <rguenther@suse.de>
3217
3218         PR tree-optimization/47239
3219         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3220
3221 2011-01-11  Jeff Law  <law@redhat.com>
3222
3223         PR tree-optimization/47086
3224         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3225         IVs from statements that might throw.
3226
3227 2011-01-10  Jan Hubicka  <jh@suse.cz>
3228
3229         PR lto/45375
3230         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3231
3232 2011-01-10  Jan Hubicka  <jh@suse.cz>
3233
3234         PR lto/45375
3235         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3236         when correcting profile.
3237
3238 2011-01-10  Jan Hubicka  <jh@suse.cz>
3239
3240         PR lto/46083
3241         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3242         DECL_FINI_PRIORITY.
3243         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3244         Restore DECL_FINI_PRIORITY.
3245
3246 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3247
3248         * doc/gimple.texi: Fix quoting of multi-word return values in
3249         @deftypefn statements.  Ensure presence of return value.  Wrap
3250         overlong @deftypefn lines.
3251         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3252         descriptions of removed functions.
3253         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3254         of multi-word return value in @deftypefn statement.
3255
3256 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3257
3258         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3259         (Conditional Expressions, Logical Operators)
3260         (Statement and operand traversals): Do not indent smallexample
3261         code.  Fix duplicate function argument in example.
3262
3263 2011-01-10  Jeff Law  <law@redhat.com>
3264
3265         PR tree-optimization/47141
3266         * ipa-split.c (split_function): Handle case where we are
3267         returning a value and the return block has a virtual operand phi.
3268
3269 2011-01-10  Jan Hubicka  <jh@suse.cz>
3270
3271         PR tree-optimization/47234
3272         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3273         (pass_feedback_split_functions): Declare.
3274         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3275         tree-profile.
3276         * ipa-split.c (gate_split_functions): Update comments; disable
3277         split-functions for profile_arc_flag and branch_probabilities.
3278         (gate_feedback_split_functions): New function.
3279         (execute_feedback_split_functions): New function.
3280         (pass_feedback_split_functions): New global var.
3281
3282 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3283
3284         PR lto/46760
3285         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3286         calling gimple_call_set_cannot_inline.
3287
3288 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3289
3290         * config/darwin-sections.def: Remove unused section.
3291
3292 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3293
3294         PR c++/47218
3295         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3296
3297 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3298
3299         PR objc/47232
3300         * c-parser.c (c_parser_declaration_or_fndef): Improved
3301         error message.
3302
3303 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3304
3305         * config/i386/winnt.c (i386_pe_start_function): Make sure
3306         to switch back to function's section.
3307
3308 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3309
3310         PR gcc/46902
3311         PR testsuite/46912
3312         * plugin.c: Move include of dlfcn.h from here...
3313         * system.h: ... to here.
3314
3315 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3316
3317         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3318         file name.
3319         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3320         two extra empty pages in PDF output.
3321
3322 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3323
3324         PR objc/47078
3325         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3326         for error recovery purposes behave as if it was not specified so
3327         that the default type is usd.
3328
3329 2011-01-07  Jan Hubicka  <jh@suse.cz>
3330
3331         PR tree-optmization/46469
3332         * ipa.c (function_and_variable_visibility): Clear needed flags on
3333         nodes with external decls; handle weakrefs merging correctly.
3334
3335 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3336
3337         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3338         not false.
3339
3340 2011-01-07  Jan Hubicka  <jh@suse.cz>
3341
3342         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3343         and no longer claim that gold is required for linker plugin.
3344         * configure: Regenerate.
3345         * gcc.c (PLUGIN_COND): New macro.
3346         (LINK_COMMAND_SPEC): Use it.
3347         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3348         * config.in (HAVE_LTO_PLUGIN): New.
3349         * configure.ac (--with-lto-plugin): New parameter; autodetect
3350         HAVE_LTO_PLUGIN.
3351
3352 2011-01-07  Jan Hubicka  <jh@suse.cz>
3353
3354         PR tree-optimization/46367
3355         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3356         when we can update original.
3357         (cgraph_mark_inline_edge): Sanity check.
3358         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3359
3360 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3361
3362         * config/spu/spu.h (ASM_COMMENT_START): Define.
3363
3364 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3365
3366         PR driver/42445
3367         * gcc.c (%>S): New.
3368         (SWITCH_KEEP_FOR_GCC): Likewise.
3369         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3370         (do_spec_1): Handle "%>".
3371
3372         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3373
3374 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR target/47201
3377         * config/i386/i386.c (ix86_delegitimize_address): If
3378         simplify_gen_subreg fails, return orig_x.
3379
3380         PR bootstrap/47187
3381         * value-prof.c (gimple_stringop_fixed_value): Handle
3382         lhs of the call properly.
3383
3384 2011-01-07  Jan Hubicka  <jh@suse.cz>
3385
3386         PR lto/45375
3387         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3388
3389 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3390
3391         * target.def (function_switched_text_sections): New hook.
3392         * doc/tm.texi: Regenerated.
3393         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3394         * final.c (default_function_switched_text_sections): New.
3395         (final_scan_insn): Call function_switched_text_sections when a
3396         mid-function section change occurs.
3397         * output.h (default_function_switched_text_sections): Declare.
3398         * config/darwin-protos.h (darwin_function_switched_text_sections):
3399         Likewise.
3400         * config/darwin.c (darwin_function_switched_text_sections): New.
3401         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3402
3403 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3404
3405         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3406         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3407         the secondary code fragment when outputting for DWARF == 2.
3408
3409 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3410
3411         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3412         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3413         Remove.
3414         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3415         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3416
3417 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3418
3419         PR debug/46704
3420         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3421         when it is not empty.
3422
3423 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3424
3425         Bobcat Enablement
3426         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3427         (case ${target}): Add btver1.
3428         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3429         -march=native recognize btver1 processors.
3430         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3431         btver1 def_and_undef
3432         * config/i386/i386.c (struct processor_costs btver1_cost): New
3433         btver1 cost table.
3434         (m_BTVER1): New definition.
3435         (m_AMD_MULTIPLE): Includes m_BTVER1.
3436         (initial_ix86_tune_features): Add btver1 tune.
3437         (processor_target_table): Add btver1 entry.
3438         (static const char *const cpu_names): Add btver1 entry.
3439         (software_prefetching_beneficial_p): Add btver1.
3440         (ix86_option_override_internal): Add btver1 instruction sets.
3441         (ix86_issue_rate): Add btver1.
3442         (ix86_adjust_cost): Add btver1.
3443         * config/i386/i386.h (TARGET_BTVER1): New definition.
3444         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3445         (enum processor_type): Add PROCESSOR_BTVER1.
3446         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3447
3448 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3449
3450         PR target/43309
3451         * config/i386/i386.c (legitimize_tls_address)
3452         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3453         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3454         (tls_initial_exec_64_sun): New pattern.
3455
3456 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3457
3458         * doc/invoke.texi (Overall Options): Improve wording and markup
3459         of the description of -wrapper.
3460
3461 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3462
3463         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3464         rdynamic, threads): New Driver options.
3465
3466 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3467
3468         PR target/38118
3469         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3470         if coming from .tdata.
3471         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3472
3473 2011-01-06  Jan Hubicka  <jh@suse.cz>
3474
3475         PR lto/47188
3476         * collect2.c (main): Do not enable LTOmode when plugin is active.
3477
3478 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3479
3480         PR other/45915
3481         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3482         --version output if supported.
3483         * configure: Regenerate.
3484
3485 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3486
3487         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3488         Driver options.
3489
3490 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3491
3492         PR c/47150
3493         * c-convert.c (convert): When converting a complex expression
3494         other than COMPLEX_EXPR to a different complex type, ensure
3495         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3496         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3497         when converting COMPLEX_TYPE.