OSDN Git Service

564fe926039a29e4141f6a20f3b17591ef664e18
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR middle-end/47725
4         * combine.c (cant_combine_insn_p): Revert the last change.
5
6 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
7
8         PR target/47755
9         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
10         mode for vector constants.  Remove code that checks for TImode.
11
12 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
13
14         PR debug/47106
15         PR debug/47402
16         * cgraph.h (compute_inline_parameters): Return void.
17         * ipa-inline.c (compute_inline_parameters): Adjust.
18
19 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
20
21         PR debug/47106
22         PR debug/47402
23         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
24         rather than decl.
25         * cfgexpand.c (estimated_stack_frame_size): Likewise.
26         * ipa-inline.c (compute_inline_parameters): Adjust.
27
28 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
29
30         PR debug/47106
31         PR debug/47402
32         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
33         Adjust all users.  Pass FN to...
34         * tree-flow-inline.h (first_referenced_var): ... this.  Add
35         fn argument.
36         * ipa-struct-reorg.c: Adjust.
37         * tree-dfa.c: Adjust.
38         * tree-into-ssa.c: Adjust.
39         * tree-sra.c: Adjust.
40         * tree-ssa-alias.c: Adjust.
41         * tree-ssa-live.c: Adjust.
42         * tree-ssa.c: Adjust.
43         * tree-ssanames.c: Adjust.
44         * tree-tailcall.c: Adjust.
45
46 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
47
48         PR debug/47106
49         PR debug/47402
50         * tree-flow.h (referenced_var_lookup): Add fn parameter.
51         Adjust all callers.
52         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
53         * tree-flow-inline.h: Adjust.
54         * gimple-pretty-print.c: Adjust.
55         * tree-into-ssa.c: Adjust.
56         * tree-ssa.c: Adjust.
57         * cfgexpand.c: Adjust.
58
59 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
60
61         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
62         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
63         (EXTRA_CONSTRAINT): Delete.
64         * config/iq2000/constraints.md: New file.
65         * config/iq2000/iq2000.md: Include it.
66         (define_insn ""): Delete.
67         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
68         unsupported constraint letters from patterns.
69         (call_value, call_value_internal1): Likewise.
70         (call_value_multiple_internal1): Likewise.
71
72 2011-02-15  Nick Clifton  <nickc@redhat.com>
73
74         * config/mn10300/mn10300.c: Include tm-constrs.h.
75         (struct liw_data): New data structure describing an LIW candidate
76         instruction.
77         (extract_bundle): Use struct liw_data.  Allow small integer
78         operands for some instructions.
79         (check_liw_constraints): Use struct liw_data.  Remove swapped
80         parameter.  Add comments describing the checks.  Fix bug when
81         assigning the source of liw1 to the source of liw2.
82         (liw_candidate): Delete.  Code moved into extract_bundle.
83         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
84         before swapping.
85         * config/mn10300/predicates.md (liw_operand): New predicate.
86         Allows registers and small integer constants.
87         * config/mn10300/constraints.md (O): New constraint.  Accetps
88         integers in the range -8 to +7 inclusive.
89         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
90         for moving a small integer into a register.  Give this alternative
91         LIW attributes.
92         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
93         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
94         using the J,K,L and M constraints,
95         (liw): Remove SI mode on second operands to allow for HI and QI
96         mode values.
97         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
98         instruction.
99
100 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
101
102         PR middle-end/47725
103         * combine.c (cant_combine_insn_p): Check zero/sign extended
104         hard registers.
105
106 2011-02-15  Richard Guenther  <rguenther@suse.de>
107
108         PR tree-optimization/47743
109         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
110         for a non-type-compatible VN lookup bail out.
111
112 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
113
114         * config/fr30/constraints.md: New file.
115         * config/fr30/fr30.md: Include it.
116         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
117         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
118         (EXTRA_CONSTRAINT): Delete.
119
120 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
121
122         * config/frv/constraints.md: New file.
123         * config/frv/predicates.md: Include it.
124         * config/frv/frv.c (reg_class_from_letter): Delete.
125         (frv_option_override): Don't initialize it.
126         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
127         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
128         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
129         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
130         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
131         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
132         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
133         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
134         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
135         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
136         (REG_CLASS_FROM_CONSTRAINT): Delete.
137
138 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
139
140         PR middle-end/47581
141         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
142         if frame size is 0 in a leaf function.
143
144 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
145
146         PR pch/14940
147         * config/alpha/host-osf.c: New file.
148         * config/alpha/x-osf: New file.
149         * config.host (alpha*-dec-osf*): Use it.
150
151 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
152
153         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
154         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
155         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
156         (rx_mode_dependent_address_p): ...this. Make static. Change argument
157         type to const_rtx.
158         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
159
160 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
161
162         * config/stormy16/constraints.md: New file.
163         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
164         Use satisfies_constraint_Q and satisfies_constraint_R.
165         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
166         Delete.
167         (xstormy16_legitiamte_address_p): Declare.
168         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
169         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
170         (EXTRA_CONSTRAINT): Delete.
171         * config/stormy16/stormy16.c (xstormy16_legitiamte_address_p):
172         Un-staticize.
173         (xstormy16_extra_constraint_p): Delete.
174
175 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
176
177         PR tree-optimization/46494
178         * loop-unroll.c (split_edge_and_insert): Adjust comment.
179         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
180         (pass_rtl_loop_done): Add TODO_verify_flow.
181         * fwprop.c (pass_rtl_fwprop): Likewise.
182         * modulo-sched.c (pass_sms): Likewise.
183         * tree-ssa-dom.c (pass_dominator): Likewise.
184         * tree-ssa-loop-ch.c (pass_ch): Likewise.
185         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
186         (pass_tree_loop_done): Likewise.
187         * tree-ssa-pre.c (execute_pre): Likewise.
188         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
189         * tree-ssa-sink.c (pass_sink_code): Likewise.
190         * tree-vrp.c (pass_vrp): Likewise.
191
192 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
193
194         * config/v850/constraints.md: New file.
195         * config/v850/v850.md: Include it.
196         * config/v850/predicates.md (reg_or_0_operand): Use
197         satisfies_constraint_G.
198         (special_symbolref_operand): Use satisfies_constraint_K.
199         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
200         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
201         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
202         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
203         (EXTRA_CONSTRAINT): Delete.
204         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
205         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
206         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
207
208 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
209
210         PR target/47696
211         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
212         description.
213
214 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
215
216         * config/mcore/constraints.md: New file.
217         * config/mcore/mcore.md: Include it.
218         * config/mcore/mcore.c (reg_class_from_letter): Delete.
219         * config/mcore/mcore.h (reg_class_from_letter): Delete.
220         (REG_CLASS_FROM_LETTER): Delete.
221         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
222         insn_const_int_ok_for_constraint.
223         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
224         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
225         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
226         (EXTRA_CONSTRAINT): Delete.
227
228 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
229
230         PR ada/41929
231         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
232         (IS_SIGHANDLER): Define.
233         (sparc64_is_sighandler): New function, split off from
234         sparc64_fallback_frame_state.
235         (sparc_is_sighandler): New function, split off from
236         sparc_fallback_frame_state.
237         (sparc64_fallback_frame_state): Merge with ...
238         (sparc_fallback_frame_state): ... this into ...
239         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
240         Change new_cfa to long.
241         Remove regs_off, fpu_save_off, fpu_save.
242         Define nframes, mctx.
243         Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
244         hardcoded offsets.
245
246 2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
247
248         * go/gccgo.texi (Top, Import and Export): Fix a typo and a
249         markup nit.
250
251 2011-02-14  Andriy Gapon <avg@freebsd.org>
252
253         PR target/45808
254         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
255
256 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
257
258         * configure: Regenerate.
259
260 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
261
262         PR driver/45731
263         * gcc.c (asm_options): Correct spec matching --target-help.
264
265 2011-02-12  Martin Jambor  <mjambor@suse.cz>
266
267         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
268         to gimple call error.
269
270 2011-02-12  Mike Stump  <mikestump@comcast.net>
271
272         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
273         comments in backslash regions.
274
275 2011-02-12  Mike Stump  <mikestump@comcast.net>
276             Jakub Jelinek  <jakub@redhat.com>
277             Iain Sandoe  <iains@gcc.gnu.org>
278
279         PR target/47324
280         * dwarf2out.c (output_cfa_loc): When required, apply the
281         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
282         (output_loc_sequence): Likewise.
283         (output_loc_operands_raw): Likewise.
284         (output_loc_sequence_raw): Likewise.
285         (output_cfa_loc): Likewise.
286         (output_loc_list): Suppress register number adjustment when
287         calling output_loc_sequence()
288         (output_die): Likewise.
289
290 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
291
292         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
293         Remove macros.
294         * config/xtensa/xtensa.c (xtensa_register_move_cost,
295         xtensa_memory_move_cost): New functions.
296         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
297
298 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
299
300         PR lto/47225
301         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
302         in the current directory.
303         * configure: Rebuilt.
304
305 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
306
307         * config/darwin.c (darwin_override_options): Add a hunk missed
308         from the commit of r168571.  Trim comment line lengths and 
309         correct indents of the preceding block.
310
311 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
312
313         * gcc.c (driver_handle_option): Concatenate the argument to -F with
314         the switch.
315
316 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
317
318         * common.opt (nostartfiles): New Driver option.
319
320 2011-02-11  Xinliang David Li  <davidxl@google.com>
321
322         PR tree-optimization/47707
323         * tree-chrec.c (convert_affine_scev): Keep type precision.
324
325 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
326
327         PR tree-optimization/47420
328         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
329
330 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
331
332         PR rtl-optimization/47614
333         * rtl.h (check_for_inc_dec): Declare.
334         * dse.c (check_for_inc_dec): Externalize...
335         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
336         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
337
338 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
339
340         PR driver/47678
341         * gcc.c (main): Do not compile inputs if there were errors in
342         option handling.
343         * opts-common.c (read_cmdline_option): Check for wrong language
344         after other error checks.
345
346 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
347
348         * cgraph.c: Fix comment typos.
349         * cgraph.h: Likewise.
350         * cgraphunit.c: Likewise.
351         * ipa-cp.c: Likewise.
352         * ipa-inline.c: Likewise.
353         * ipa-prop.c: Likewise.
354         * ipa-pure-const.c: Likewise.
355         * ipa-ref.c: Likewise.
356         * ipa-reference.c: Likewise.
357
358 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
359
360         PR debug/47684
361         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
362
363 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
364
365         PR testsuite/47400
366         * doc/sourcebuild.texi (Require Support): Document
367         dg-require-ascii-locale.
368
369 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
370
371         * doc/lto.texi (Write summary): Fix missing parentheses.
372
373 2011-02-10  DJ Delorie  <dj@redhat.com>
374
375         * config/m32c/m32c.c (m32c_option_override): Disable
376         -fcombine-stack-adjustments until flag value tracking and compare
377         optimization can be rewritten.
378
379 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
380
381         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
382         PROCESSOR_POWER7.
383         (PROCESSOR_DEFAULT64): Likewise.
384
385 2011-02-10  Richard Henderson  <rth@redhat.com>
386
387         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
388         change from 2011-02-03.
389         * config/rx/rx.c (flags_from_code): Likewise.
390         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
391         is valid, n/pz otherwise.
392         (rx_select_cc_mode): Return CCmode if Y is not zero.
393
394 2011-02-10  Richard Guenther  <rguenther@suse.de>
395
396         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
397
398 2011-02-10  Richard Guenther  <rguenther@suse.de>
399
400         PR tree-optimization/47677
401         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
402
403 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
404
405         PR target/47665
406         * combine.c (make_compound_operation): Only change shifts into
407         multiplication for SCALAR_INT_MODE_P.
408
409 2011-02-10  Jie Zhang  <jie@codesourcery.com>
410
411         PR testsuite/47622
412         Revert
413         2011-02-05  Jie Zhang  <jie@codesourcery.com>
414         PR debug/42631
415         * web.c (entry_register): Don't clobber the number of the
416         first uninitialized reference in used[].
417
418 2011-02-09  Richard Guenther  <rguenther@suse.de>
419
420         PR tree-optimization/47664
421         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
422         all edges again.
423
424 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
425
426         PR target/46481
427         PR target/47032
428         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
429         PROCESSOR_POWER7.
430         (PROCESSOR_DEFAULT64): Same.
431         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
432
433 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
434
435         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
436
437 2011-02-09  Martin Jambor  <mjambor@suse.cz>
438
439         PR middle-end/45505
440         * tree-sra.c (struct access): New flags grp_scalar_read and
441         grp_scalar_write.  Changed description of assignment read and write
442         flags.
443         (dump_access): Dump new flags, reorder all of them.
444         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
445         to detect multiple scalar reads.
446         (analyze_access_subtree): Use the new scalar read write flags instead
447         of the old flags.  Adjusted comments.
448
449 2011-02-08  DJ Delorie  <dj@redhat.com>
450
451         PR target/47548
452         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
453         patterns.
454
455 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
456
457         * config/m68k/uclinux.opt: New.
458         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
459
460 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
461
462         * config/cris/elf.opt (sim): New Driver option.
463
464 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
465
466         * config/xtensa/elf.opt: New.
467         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
468
469 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
470
471         * config/vax/elf.opt: New.
472         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
473
474 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
475
476         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
477
478 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
479
480         * config/gnu-user.opt: New.
481         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
482         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
483         *-*-uclinux*): Use gnu-user.opt.
484
485 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
486
487         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
488         * config/i386/gnu.h (CPP_SPEC): Likewise.
489
490 2011-02-08  Ian Lance Taylor  <iant@google.com>
491
492         * common.opt (fcx-limited-range): Add SetByCombined flag.
493         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
494         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
495         (fassociative-math, freciprocal-math): Likewise.
496         (funsafe-math-optimizations): Likewise.
497         * opth-gen.awk: Handle SetByCombined.
498         * optc-gen.awk: Likewise.
499         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
500         (set_unsafe_math_optimizations_flags): Likewise.
501         * doc/options.texi (Option properties): Document SetByCombined.
502
503 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
504
505         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
506         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
507         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
508         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
509         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
510
511 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
512
513         PR tree-optimization/46834
514         PR tree-optimization/46994
515         PR tree-optimization/46995
516         * graphite-sese-to-poly.c (used_outside_reduction): New.
517         (detect_commutative_reduction): Call used_outside_reduction.
518         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
519         translate_scalar_reduction_to_array only when at least one
520         loop-phi/close-phi tuple has been detected.
521
522 2011-02-08  Richard Guenther  <rguenther@suse.de>
523
524         PR middle-end/47639
525         * tree-vect-generic.c (expand_vector_operations_1): Update
526         stmts here ...
527         (expand_vector_operations): ... not here.  Cleanup EH info
528         and the CFG if required.
529
530 2011-02-08  Richard Guenther  <rguenther@suse.de>
531
532         PR tree-optimization/47641
533         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
534         require type compatibility.
535
536 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
537
538         * gimple-low.c (lower_function_body): Don't remove the location of
539         the return statement here.
540         (lower_gimple_return): Do it here instead but only if the return
541         statement is actually used twice.
542
543 2011-02-08  Richard Guenther  <rguenther@suse.de>
544
545         PR tree-optimization/47632
546         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
547         unused up_to_stmt parameter, return whether cfg-cleanup is
548         necessary, remove EH info properly.
549         (forward_propagate_into_gimple_cond): Adjust caller.
550         (forward_propagate_into_cond): Likewise.
551         (forward_propagate_comparison): Likewise.
552         (tree_ssa_forward_propagate_single_use_vars): Make
553         forward_propagate_comparison case similar to the two others.
554
555 2011-02-08  Nick Clifton  <nickc@redhat.com>
556
557         * config/mn10300/mn10300.opt (mliw): New command line option.
558         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
559         (liw_bundling): New automaton.
560         (liw): New attribute.
561         (liw_op): New attribute.
562         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
563         (movsi_internal): Add LIW attributes.
564         (andsi3): Likewise.
565         (iorsi3): Likewise.
566         (xorsi3): Likewise.
567         (addsi3): Separate register and immediate alternatives.
568         Add LIW attributes.
569         (subsi3): Likewise.
570         (cmpsi): Likewise.
571         (aslsi3): Likewise.
572         (lshrsi3): Likewise.
573         (ashrsi3): Likewise.
574         (liw): New pattern.
575         * config/mn10300/mn10300.c (liw_op_names): New
576         (mn10300_print_operand): Handle 'W' operand descriptor.
577         (extract_bundle): New function.
578         (check_liw_constraints): New function.
579         (liw_candidate): New function.
580         (mn10300_bundle_liw): New function.
581         (mn10300_reorg): New function.
582         (TARGET_MACHINE_DEPENDENT_REORG): Define.
583         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
584         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
585         __LIW__ or __NO_LIW__.
586         * doc/invoke.texi: Describe the -mliw command line option.
587
588 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
589
590         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
591         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
592         pthread_mutex_unlock): Remove.
593         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
594         * config/pa/t-pa64: Likewise.
595         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
596         shared libc if not linking against libpthread.
597         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
598
599 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
600
601         PR target/47558
602         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
603         on 10.6 and later to ensure that we always use the unwinder from
604         the system.  Only add -no_compact_unwind when tarteting darwin
605         10.6 or later.
606
607 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
608
609         PR target/46997
610         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
611         (vec_interleave_lowv2sf): Ditto.
612         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
613         (vec_extract_oddv2sf): Ditto.
614
615 2011-02-07  Mike Stump  <mikestump@comcast.net>
616
617         PR target/42333
618         Add __ieee_divdc3 entry point.
619         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
620         entry point.
621         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
622         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
623         * config/darwin.c (darwin_rename_builtins): Add.
624         * config/darwin-protos.h (darwin_rename_builtins): Add.
625
626 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
627
628         PR target/47636
629         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
630         for the condition.
631
632 2011-02-07  Mike Stump  <mikestump@comcast.net>
633
634         * config/darwin.opt (mmacosx-version-min): Update default OS version.
635
636 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
637
638         PR target/47534
639         * config/avr/libgcc.S (exit): Move .endfunc
640
641 2011-02-07  Richard Guenther  <rguenther@suse.de>
642
643         PR tree-optimization/47615
644         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
645         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
646         (run_scc_vn): Initialize it.
647         (visit_reference_op_load): Use it.
648         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
649
650 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
651
652         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
653         DImode trapping arithmetic libfuncs.
654
655 2011-02-07  Richard Guenther  <rguenther@suse.de>
656
657         PR tree-optimization/47621
658         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
659         two duplicates ...
660         (execute_update_addresses_taken): ... here.  Make it more
661         conservative in what we accept.
662
663 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
664
665         * config/sparc/freebsd.h (ASM_SPEC): Define.
666         * config/sparc/vxworks.h (ASM_SPEC): Define.
667
668 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
669
670         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
671
672 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
673
674         * doc/invoke.texi: Remove reference to compiler internals from
675         user documentation.
676
677         * reg-notes.def: Remove REG_VALUE_PROFILE.
678         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
679
680 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
681
682         PR middle-end/47610
683         * varasm.c (default_section_type_flags): If decl is NULL,
684         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
685
686 2011-02-05  Jie Zhang  <jie@codesourcery.com>
687
688         PR debug/42631
689         * web.c (entry_register): Don't clobber the number of the
690         first uninitialized reference in used[].
691
692 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
693
694         PR tree-optimization/46194
695         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
696         (build_classic_dist_vector_1): Do not represent classic distance
697         vectors when the access functions are variating in different loops.
698
699 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
700
701         * config/mips/iris6.opt: New.
702         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
703
704 2011-02-04  Richard Henderson  <rth@redhat.com>
705             Steve Ellcey  <sje@cup.hp.com>
706
707         PR target/46997
708         * config/ia64/predicates.md (mux1_brcst_element): New.
709         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
710         * config/ia64/ia64.c (ia64_unpack_assemble): New.
711         (ia64_unpack_sign): New.
712         (ia64_expand_unpack): Rewrite using new routines.
713         (ia64_expand_widen_sum): Ditto.
714         (ia64_expand_dot_prod_v8qi): Ditto.
715         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
716         routines, add endian check.
717         (pmpy2_even): Rename from pmpy2_r, add endian check.
718         (pmpy2_odd): Rename from pmpy2_l, add endian check.
719         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
720         (vec_widen_smult_hi_v4hi): Ditto.
721         (vec_widen_umult_lo_v4hi): Ditto.
722         (vec_widen_umult_hi_v4hi): Ditto.
723         (mulv2si3): Change endian checks.
724         (sdot_prodv4hi): Rewrite with new calls.
725         (udot_prodv4hi): New.
726         (vec_pack_ssat_v4hi): Add endian check.
727         (vec_pack_usat_v4hi): Ditto.
728         (vec_pack_ssat_v2si): Ditto.
729         (max1_even): Rename from max1_r, add endian check.
730         (max1_odd): Rename from max1_l, add endian check.
731         (*mux1_rev): Format change.
732         (*mux1_mix): Ditto.
733         (*mux1_shuf): Ditto.
734         (*mux1_alt): Ditto.
735         (*mux1_brcst_v8qi): Use new predicate.
736         (vec_extract_evenv8qi): Remove endian check.
737         (vec_extract_oddv8qi): Ditto.
738         (vec_interleave_lowv4hi): Format change.
739         (vec_interleave_highv4hi): Ditto.
740         (mix2_even): Rename from mix2_r, add endian check.
741         (mix2_odd): Rename from mux2_l, add endian check.
742         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
743         (vec_extract_evenodd_helper): Format change.
744         (vec_extract_evenv4hi): Remove endian check.
745         (vec_extract_oddv4hi): Remove endian check.
746         (vec_interleave_lowv2si): Format change.
747         (vec_interleave_highv2si): Format change.
748         (vec_initv2si): Remove endian check.
749         (vecinit_v2si): Add endian check.
750         (reduc_splus_v2sf): Add endian check.
751         (reduc_smax_v2sf): Ditto.
752         (reduc_smin_v2sf): Ditto.
753         (vec_initv2sf): Remove endian check.
754         (fpack): Add endian check.
755         (fswap): Add endian check.
756         (vec_interleave_highv2sf): Add endian check.
757         (vec_interleave_lowv2sf): Add endian check.
758         (fmix_lr): Add endian check.
759         (vec_setv2sf): Format change.
760         (*vec_extractv2sf_0_be): Use shift to extract operand.
761         (*vec_extractv2sf_1_be): New.
762         (vec_pack_trunc_v4hi): Add endian check.
763         (vec_pack_trunc_v2si): Format change.
764
765 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
766
767         PR inline-asm/23200
768         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
769         do bb, locus and block comparison and disallow loads if it is not set.
770         (stmt_is_replaceable_p): New function.
771         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
772         callers.
773         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
774         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
775         SSA_NAME_DEF_STMT.
776         * tree-flow.h (stmt_is_replaceable_p): New prototype.
777
778 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
779
780         * config/rs6000/xilinx.opt: New.
781         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
782
783 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
784
785         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
786
787 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
788
789         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
790         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
791         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
792         secondary_reload_info, xtensa_secondary_reload): Remove.
793         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
794         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
795         (xtensa_preferred_reload_class): Make static. Change return and
796         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
797         Use CONST_DOUBLE_P predicate.
798         (xtensa_preferred_output_reload_class): New function.
799         (xtensa_secondary_reload): Make static.
800
801 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
802
803         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
804         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
805         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
806
807 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
808
809         PR middle-end/31490
810         * output.h (SECTION_RELRO): Define.
811         (SECTION_MACH_DEP): Adjust.
812         (get_variable_section): New prototype.
813         * varpool.c (varpool_finalize_named_section_flags): New function.
814         (varpool_assemble_pending_decls): Call it.
815         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
816         * cgraphunit.c (cgraph_output_in_order): Call
817         varpool_finalize_named_section_flags.
818         * varasm.c (get_section): Allow section flags conflicts between
819         relro and read-only sections if the section hasn't been declared yet.
820         Set SECTION_OVERRIDE after diagnosing section type conflict.
821         (get_variable_section): No longer static.
822         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
823         readonly sections that need relocations.
824         (decl_readonly_section_1): New function.
825         (decl_readonly_section): Use it.
826
827         Revert:
828         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
829                     Steve Ellcey  <sje@cup.hp.com>
830
831         PR middle-end/31490
832         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
833         if section attribute used.
834
835 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
836
837         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
838         * config/darwin.c (SECTION_NO_ANCHOR): Define.
839         (darwin_init_sections): Remove assertion.
840
841 2011-02-03  Nick Clifton  <nickc@redhat.com>
842
843         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
844         lt and ge.
845         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
846         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
847         instead of "n" and "pz".
848         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
849         CC_FLAG_S.
850
851 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
852
853         PR target/47312
854         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
855         fma, expand FMA_EXPR as fma{,f,l} call.
856
857         PR lto/47274
858         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
859         copy them into a unsigned char variable and pass address of it to
860         lto_output_data_stream.
861
862         PR target/47564
863         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
864         around backend_init_target and lang_dependent_init_target calls.
865         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
866         (verify_cgraph_node): Don't call set_cfun here.  Use
867         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
868         Set error_found for incorrectly represented calls to thunks.
869
870 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
871
872         PR debug/43092
873         PR rtl-optimization/43494
874         * rtl.h (for_each_inc_dec_fn): New type.
875         (for_each_inc_dec): Declare.
876         * rtlanal.c (struct for_each_inc_dec_ops): New type.
877         (for_each_inc_dec_find_inc_dec): New fn.
878         (for_each_inc_dec_find_mem): New fn.
879         (for_each_inc_dec): New fn.
880         * dse.c (struct insn_size): Remove.
881         (replace_inc_dec, replace_inc_dec_mem): Remove.
882         (emit_inc_dec_insn_before): New fn.
883         (check_for_inc_dec): Use it, along with for_each_inc_dec.
884         (canon_address): Pass mem modes to cselib_lookup.
885         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
886         (cselib_lookup_from_insn): Likewise.
887         (cselib_subst_to_values): Likewise.
888         * cselib.c (find_slot_memmode): New var.
889         (cselib_find_slot): New fn.  Use it instead of
890         htab_find_slot_with_hash everywhere.
891         (entry_and_rtx_equal_p): Use find_slot_memmode.
892         (autoinc_split): New fn.
893         (rtx_equal_for_cselib_p): Rename and implement in terms of...
894         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
895         Deal with autoinc.  Special-case recursion into MEMs.
896         (cselib_hash_rtx): Likewise.
897         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
898         address and MEM modes.
899         (cselib_subst_to_values): Add memmode, pass it on.
900         Deal with autoinc.
901         (cselib_lookup): Add memmode argument, pass it on.
902         (cselib_lookup_from_insn): Add memmode.
903         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
904         (struct cselib_record_autoinc_data): New.
905         (cselib_record_autoinc_cb): New fn.
906         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
907         mode to cselib_lookup.  Reset autoinced REGs here instead of...
908         (cselib_process_insn): ... here.
909         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
910         to cselib_lookup.
911         (add_uses): Likewise, also to cselib_subst_to_values.
912         (add_stores): Likewise.
913         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
914         cselib_subst_to_values.
915         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
916         * gcse.c (do_local_cprop): Adjusted.
917         * postreload.c (reload_cse_simplify_set): Adjusted.
918         (reload_cse_simplify_operands): Adjusted.
919         * sel-sched-dump (debug_mem_addr_value): Pass mode.
920
921 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
922
923         PR tree-optimization/45122
924         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
925         unsafe assumptions when there's more than one loop exit.
926
927 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
928
929         PR target/47272
930         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
931         Document using vector double with the load/store builtins, and
932         that the load/store builtins always use Altivec instructions.
933
934         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
935         to use altivec memory instructions, even on VSX.
936         (vector_altivec_store_<mode>): Ditto.
937
938         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
939         function.
940
941         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
942         V2DF, V2DI support to load/store overloaded builtins.
943
944         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
945         altivec load/store builtins for V2DF/V2DI types.
946
947         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
948         set avoid indexed addresses on power6 if -maltivec.
949         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
950         vector_altivec_load/vector_altivec_store builtins.
951         (altivec_expand_st_builtin): Ditto.
952         (altivec_expand_builtin): Add VSX memory builtins.
953         (rs6000_init_builtins): Add V2DI types to internal types.
954         (altivec_init_builtins): Add support for V2DF/V2DI altivec
955         load/store builtins.
956         (rs6000_address_for_altivec): Insure memory address is appropriate
957         for Altivec.
958
959         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
960         vec_vsx_ld and vec_vsx_st.
961         (vsx_store_<mode>): Ditto.
962
963         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
964         variables to hold long long types for VSX vector memory builtins.
965         (RS6000_BTI_unsigned_long_long): Ditto.
966         (long_long_integer_type_internal_node): Ditti.
967         (long_long_unsigned_type_internal_node): Ditti.
968
969         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
970         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
971         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
972
973         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
974         short cuts.
975         (vec_vsx_st): Ditto.
976
977 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
978
979         * config/pa/pa-hpux10.opt: New.
980         * config/hpux11.opt (pthread): New Driver option.
981         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
982         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
983
984 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
985
986         * config/ia64/vms.opt: New.
987         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
988
989 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
990
991         PR target/47580
992         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
993         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
994         generator functions.
995         (vsx_floatuns<VSi><mode>2): Ditto.
996         (vsx_fix_trunc<mode><VSi>2): Ditto.
997         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
998
999 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1000
1001         * config/i386/djgpp.opt (posix): New Driver option.
1002
1003 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1004
1005         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1006         Move to the unsupported targets list.
1007
1008 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1009
1010         PR rtl-optimization/47525
1011         * df-scan.c: Update copyright years.
1012         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1013         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1014
1015 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1016
1017         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1018         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1019         (ASM_OUTPUT_ASCII): Remove.
1020         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1021
1022 2011-02-02  Jeff Law  <law@redhat.com>
1023
1024         PR middle-end/47543
1025         * reload.c (find_reloads_address): Handle reg+d address where both
1026         components are invalid by reloading the entire address.
1027
1028 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1029             Richard Guenther  <rguenther@suse.de>
1030
1031         PR tree-optimization/40979
1032         PR bootstrap/47044
1033         * passes.c (init_optimization_passes): After LIM call copy_prop
1034         and DCE to clean up.
1035         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1036
1037 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         PR tree-optimization/47576
1040         PR tree-optimization/47555
1041         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1042         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1043         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1044         * tree-scalar-evolution.c (follow_ssa_edge): Use
1045         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1046
1047 2011-02-02  Richard Guenther  <rguenther@suse.de>
1048
1049         PR tree-optimization/47566
1050         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1051
1052 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1053
1054         PR debug/47106
1055         PR debug/47402
1056         * tree-inline.c (declare_return_variable): Remove unused caller
1057         variable.
1058
1059         PR debug/47106
1060         PR debug/47402
1061         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1062         * cfgexpand.c (account_used_vars_for_block): Use them.
1063         * tree-nrv.c (tree_nrv): Likewise.
1064         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1065         (dump_scope_block): Likewise.
1066         (remove_unused_locals): Likewise.
1067
1068         PR debug/47106
1069         PR debug/47402
1070         * tree-inline.c (declare_return_variable): Add result decl to
1071         local decls only once.
1072         * gimple-low.c (record_vars_into): Mark newly-created variables
1073         as referenced.
1074
1075 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1076
1077         PR debug/47498
1078         PR debug/47501
1079         PR debug/45136
1080         PR debug/45130
1081         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1082         debug insns.
1083         (no_real_insns_p, schedule_block, set_priorities): Drop special
1084         treatment of boundary debug insns.
1085         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1086         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1087         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1088         (BOUNDARY_DEBUG_INSN_P): Likewise.
1089         (SCHEDULE_DEBUG_INSN_P): Likewise.
1090         * sched-rgn.c (init_ready_list): Drop special treatment of
1091         boundary debug insns.
1092         * final.c (rest_of_clean_state): Clear notes' BB.
1093
1094 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1095
1096         * config/openbsd.opt (assert=): New Driver option.
1097
1098 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1099
1100         * config/i386/nto.opt: New.
1101         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1102
1103 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1104
1105         * config/i386/netware.opt: New.
1106         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1107
1108 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1109
1110         * config/interix.opt (posix): New Driver option.
1111
1112 2011-02-01  DJ Delorie  <dj@redhat.com>
1113
1114         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1115
1116         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1117         class for A0/A1.
1118
1119 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         PR tree-optimization/47561
1122         * toplev.c (process_options): Print the Graphite flags.  Add
1123         flag_loop_flatten to the list of options requiring Graphite.
1124
1125 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1126
1127         * config/i386/cygming.opt (posix): New Driver option.
1128
1129 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1130
1131         * config/arm/vxworks.opt: New.
1132         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1133
1134 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1135
1136         * config/alpha/elf.opt: New.
1137         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1138         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1139
1140 2011-02-01  Richard Guenther  <rguenther@suse.de>
1141
1142         PR tree-optimization/47559
1143         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1144         store-motion on references that can throw.
1145
1146 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1147
1148         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1149         * tree-pass.h (TDF_CSELIB): New macro.
1150         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1151         cselib_lookup): Check for it rather than for TDF_DETAILS.
1152
1153 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1154
1155         PR driver/47547
1156         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1157         is HOST_BIT_BUCKET.
1158
1159         * opts.c (finish_options): Don't add x_aux_base_name if it is
1160         HOST_BIT_BUCKET.
1161
1162 2011-02-01  Richard Guenther  <rguenther@suse.de>
1163
1164         PR tree-optimization/47555
1165         Revert
1166         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1169
1170 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1171
1172         PR gcc/46692
1173         * config/lm32/t-lm32: Add multilib for all CPU options.
1174
1175 2011-02-01  Richard Guenther  <rguenther@suse.de>
1176
1177         PR tree-optimization/47541
1178         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1179         sure to have a field at offset zero.
1180
1181 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1182
1183         * config/arc/arc.opt (EB, EL): New Driver options.
1184
1185 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1186
1187         * config/alpha/osf5.opt: New.
1188         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1189
1190 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1191
1192         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1193
1194 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1197         -floop-interchange.
1198         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1199         is an alias of -floop-interchange and that it requires the
1200         Graphite infrastructure.
1201         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1202         flag_loop_interchange based on the value of flag_tree_loop_linear.
1203
1204 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1205             Richard Guenther  <rguenther@suse.de>
1206
1207         PR tree-optimization/47538
1208         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1209         type instead of r1type, except for comparisons.  For right
1210         shifts and comparisons punt if there are mismatches in
1211         sizetype vs. non-sizetype types.
1212
1213 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1214
1215         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1216         avx_runtime.
1217
1218 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1219
1220         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1221         version number.
1222         * configure: Regenerate.
1223
1224 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1225
1226         * configure.ac (gcc_cv_ld_static_option): Define.
1227         (gcc_cv_ld_dynamic_option): Define.
1228         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1229         instead.
1230         (HAVE_LD_STATIC_DYNAMIC): Update message.
1231         (LD_STATIC_OPTION): Define.
1232         (LD_DYNAMIC_OPTION): Define.
1233         * configure: Regenerate.
1234         * config.in: Regenerate.
1235         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1236         HAVE_LD_STATIC_DYNAMIC]: Use them.
1237
1238 2011-01-31  Nick Clifton  <nickc@redhat.com>
1239
1240         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1241         registers inside interrupt handlers if the handler is not a leaf
1242         function.
1243
1244 2011-01-31  Nick Clifton  <nickc@redhat.com>
1245
1246         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1247         reg_renumber returning an INVALID_REGNUM.
1248
1249 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1250
1251         PR libgcj/44341
1252         * doc/install.texi: Document host options discarded when cross
1253         configuring target libraries.
1254
1255 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1256
1257         Reverted:
1258         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1259         PR debug/45136
1260         PR debug/45130
1261         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1262         debug insns.
1263         (no_real_insns_p, schedule_block, set_priorities): Drop special
1264         treatment of boundary debug insns.
1265         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1266         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1267         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1268         (BOUNDARY_DEBUG_INSN_P): Likewise.
1269         (SCHEDULE_DEBUG_INSN_P): Likewise.
1270         * sched-rgn.c (init_ready_list): Drop special treatment of
1271         boundary debug insns.
1272         * final.c (rest_of_clean-state): Clear notes' BB.
1273
1274 2011-01-31  Alan Modra  <amodra@gmail.com>
1275
1276         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1277         toc relative expressions as we do in print_operand_address.
1278
1279 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1280
1281         * doc/extend.texi: Follow spelling conventions.
1282         * doc/invoke.texi: Fix a typo.
1283
1284 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1285
1286         * config/hpux11.opt: New.
1287         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1288         ia64*-*-hpux*): Use hpux11.opt.
1289
1290 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
1291
1292         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1293         to tmake_file.
1294
1295 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1296
1297         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1298         support sites.
1299
1300 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1301
1302         * doc/install.texi (Binaries): Remove outdated reference for
1303         Motorola 68HC11/68HC12 downloads.
1304
1305 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1306
1307         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1308         Drepper's paper.
1309
1310 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1311
1312         PR bootstrap/47147
1313         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1314         used by NetBSD.
1315
1316 2011-01-28  Ahmad Sharif  <asharif@google.com>
1317
1318         * value-prof.c (check_counter): Corrected error message.
1319
1320 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1321
1322         * config/arm/arm.c (arm_legitimize_reload_address): New.
1323         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1324         arm_legitimize_reload_address.
1325         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1326
1327 2011-01-28  Ian Lance Taylor  <iant@google.com>
1328
1329         * godump.c (go_define): Ignore macros whose definitions include
1330         two adjacent operands.
1331
1332 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR target/42894
1335         * varasm.c (force_const_mem): Store copy of x in desc->constant
1336         instead of x itself.
1337         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1338         itself into REG_EQUAL note.
1339
1340 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1341
1342         * config/freebsd.opt (posix, rdynamic): New Driver options.
1343
1344 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1345
1346         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1347         -Bstatic/-Bdynamic.
1348         * configure: Regenerate.
1349
1350 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1351
1352         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1353         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1354
1355 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
1356
1357         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1358         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1359         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1360         (s390_preferred_reload_class): Make static. Change return and
1361         'rclass' argument type to reg_class_t.
1362
1363 2011-01-27  Jan Hubicka  <jh@suse.cz>
1364
1365         PR middle-end/46949
1366         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1367         (process_function_and_variable_attributes): Check defined weakrefs.
1368
1369 2011-01-27  Martin Jambor  <mjambor@suse.cz>
1370
1371         PR tree-optimization/47228
1372         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1373         build_ref_for_offset.
1374
1375 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1376
1377         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1378
1379 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
1380
1381         PR rtl-optimization/46856
1382         * postreload.c (reload_combine_recognize_const_pattern): Do not
1383         separate cc0 setter and user on cc0 targets.
1384
1385 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1386
1387         PR c/43082
1388         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1389         passed a VOID_TYPE expression, immediately emit an error and
1390         return error_mark_node.
1391
1392 2011-01-26  Jeff Law  <law@redhat.com>
1393
1394         PR rtl-optimization/47464
1395         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1396         rather than may_trap_p as needed.
1397
1398 2011-01-26  DJ Delorie  <dj@redhat.com>
1399
1400         PR rtl-optimization/46878
1401         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1402         setter/user dependency as well.
1403
1404 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1405
1406         PR rtl-optimization/44469
1407         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1408         after removing trivially dead basic blocks.
1409
1410 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1411
1412         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1413         * config/frv/frv.h (LINK_SPEC): Likewise.
1414         * config/i386/netware.h (LINK_SPEC): Likewise.
1415         * config/m68k/linux.h (ASM_SPEC): Likewise.
1416         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1417         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1418         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1419         * config/sparc/linux.h (ASM_SPEC): Likewise.
1420         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1421         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1422
1423 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1424
1425         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1426         * config/frv/frv.h (ASM_SPEC): Likewise.
1427         * config/m68k/linux.h (ASM_SPEC): Likewise.
1428         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1429         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1430         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1431         * config/sparc/linux.h (ASM_SPEC): Likewise.
1432         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1433         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1434
1435 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1436
1437         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1438         * config/frv/frv.h (LINK_SPEC): Likewise.
1439         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1440
1441 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1442
1443         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1444         * config/frv/frv.h (ASM_SPEC): Likewise.
1445         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1446         * config/m68k/linux.h (ASM_SPEC): Likewise.
1447         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1448         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1449         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1450         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1451         * config/sparc/linux.h (ASM_SPEC): Likewise.
1452         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1453         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1454         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1455
1456 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1457
1458         PR target/46997
1459         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1460         (*mux2): Ditto.
1461         (vec_extract_evenodd_help): Ditto.
1462         (vec_extract_evenv4hi): Ditto.
1463         (vec_extract_oddv4hi): Ditto.
1464         (vec_interleave_lowv2si): Ditto.
1465         (vec_interleave_highv2si): Ditto.
1466         (vec_extract_evenv2si): Ditto.
1467         (vec_extract_oddv2si: Ditto.
1468         (vec_pack_trunc_v2si): Ditto.
1469
1470 2011-01-22  Jan Hubicka  <jh@suse.cz>
1471
1472         PR target/47237
1473         * cgraph.h (cgraph_local_info): New field can_change_signature.
1474         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1475         signature can change.
1476         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1477         can change.
1478         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1479         (cgraph_function_versioning): We can not change signature of functions
1480         that don't allow that.
1481         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1482         (lto_input_node): Likewise.
1483         * ipa-inline.c (compute_inline_parameters): Compute
1484         local.can_change_signature.
1485         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1486         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1487         functions that can not change signature.
1488         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1489         init_cumulative_args): Do not use local calling conventions
1490         for functions that can not change signature.
1491
1492 2011-01-22  Jan Hubicka  <jh@suse.cz>
1493
1494         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1495
1496 2011-01-26  Richard Guenther  <rguenther@suse.de>
1497
1498         PR tree-optimization/47190
1499         * cgraphunit.c (process_common_attributes): New function.
1500         (process_function_and_variable_attributes): Use it.
1501
1502 2011-01-26  Richard Guenther  <rguenther@suse.de>
1503
1504         PR lto/47423
1505         * cgraphbuild.c (record_eh_tables): Record reference to personality
1506         function.
1507
1508 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1509
1510         PR debug/45454
1511         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1512         non-debug insns from moving up.
1513
1514 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1515
1516         PR target/40125
1517         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1518         t-dlldir{,-x} fragment for build and add it to tmake_file.
1519         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1520         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1521         * config/i386/t-dlldir: New file.
1522         (SHLIB_DLLDIR): Define.
1523         * config/i386/t-dlldir-x: New file.
1524         (SHLIB_DLLDIR): Define.
1525         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1526         (SHLIB_INSTALL): Use it.
1527
1528 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1529
1530         PR target/47246
1531         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1532         lower bound of the allowed Thumb-2 coprocessor load/store
1533         index range to -256. Add explaining comment.
1534
1535 2011-01-25  Ian Lance Taylor  <iant@google.com>
1536
1537         * godump.c (go_define): Improve lexing of macro expansion to only
1538         accept expressions which match Go spec.
1539
1540 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1541
1542         PR c++/43601
1543         * tree.c (handle_dll_attribute): Handle it.
1544         * doc/extend.texi (@item dllexport): Mention it.
1545         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1546
1547 2011-01-25  Ian Lance Taylor  <iant@google.com>
1548
1549         PR tree-optimization/26854
1550         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1551         (decl_jump_unsafe): Move higher in file, with no other change.
1552         (bind): Set has_jump_unsafe_decl if appropriate.
1553         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1554         (check_earlier_gotos): Likewise.
1555         (c_check_switch_jump_warnings): Likewise.
1556
1557 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1558
1559         * doc/invoke.texi (Warning Options): Add missing hyphen.
1560         (-fprofile-dir): Minor grammatical fixes.
1561         (-fbranch-probabilities): Likewise.
1562
1563 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1564
1565         PR debug/45136
1566         PR debug/45130
1567         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1568         debug insns.
1569         (no_real_insns_p, schedule_block, set_priorities): Drop special
1570         treatment of boundary debug insns.
1571         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1572         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1573         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1574         (BOUNDARY_DEBUG_INSN_P): Likewise.
1575         (SCHEDULE_DEBUG_INSN_P): Likewise.
1576         * sched-rgn.c (init_ready_list): Drop special treatment of
1577         boundary debug insns.
1578         * final.c (rest_of_clean-state): Clear notes' BB.
1579
1580 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * Makefile.in (LAMBDA_H): Removed.
1583         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1584         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1585         lambda-trans.o, and tree-loop-linear.o.
1586         (lto-symtab.o): Remove dependence on LAMBDA_H.
1587         (tree-loop-linear.o): Remove rule.
1588         (lambda-mat.o): Same.
1589         (lambda-trans.o): Same.
1590         (lambda-code.o): Same.
1591         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1592         (tree-vect-slp.o): Same.
1593         * hwint.h (gcd): Moved here.
1594         (least_common_multiple): Same.
1595         * lambda-code.c: Removed.
1596         * lambda-mat.c: Removed.
1597         * lambda-trans.c: Removed.
1598         * lambda.h: Removed.
1599         * tree-loop-linear.c: Removed.
1600         * lto-symtab.c: Do not include lambda.h.
1601         * omega.c (gcd): Removed.
1602         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1603         * tree-data-ref.c (print_lambda_vector): Moved here.
1604         (lambda_vector_copy): Same.
1605         (lambda_matrix_copy): Same.
1606         (lambda_matrix_id): Same.
1607         (lambda_vector_first_nz): Same.
1608         (lambda_matrix_row_add): Same.
1609         (lambda_matrix_row_exchange): Same.
1610         (lambda_vector_mult_const): Same.
1611         (lambda_vector_negate): Same.
1612         (lambda_matrix_row_negate): Same.
1613         (lambda_vector_equal): Same.
1614         (lambda_matrix_right_hermite): Same.
1615         * tree-data-ref.h: Do not include lambda.h.
1616         (lambda_vector): Moved here.
1617         (lambda_matrix): Same.
1618         (dependence_level): Same.
1619         (lambda_transform_legal_p): Removed declaration.
1620         (lambda_collect_parameters): Same.
1621         (lambda_compute_access_matrices): Same.
1622         (lambda_vector_gcd): Same.
1623         (lambda_vector_new): Same.
1624         (lambda_vector_clear): Same.
1625         (lambda_vector_lexico_pos): Same.
1626         (lambda_vector_zerop): Same.
1627         (lambda_matrix_new): Same.
1628         * tree-flow.h (least_common_multiple): Removed declaration.
1629         * tree-parloops.c (lambda_trans_matrix): Moved here.
1630         (LTM_MATRIX): Same.
1631         (LTM_ROWSIZE): Same.
1632         (LTM_COLSIZE): Same.
1633         (LTM_DENOMINATOR): Same.
1634         (lambda_trans_matrix_new): Same.
1635         (lambda_matrix_vector_mult): Same.
1636         (lambda_transform_legal_p): Same.
1637         * tree-pass.h (pass_linear_transform): Removed declaration.
1638         * tree-ssa-loop.c (tree_linear_transform): Removed.
1639         (gate_tree_linear_transform): Removed.
1640         (pass_linear_transform): Removed.
1641         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1642         flag_loop_interchange.
1643
1644 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1645
1646         PR tree-optimization/47265
1647         PR tree-optimization/47443
1648         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1649         if name still has some uses.
1650
1651 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1652
1653         PR tree-optimization/47382
1654         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1655         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1656
1657 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1658
1659         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1660         sjlj_except_unwind_info.
1661
1662 2011-01-25  Richard Guenther  <rguenther@suse.de>
1663
1664         PR tree-optimization/47426
1665         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1666         visible functions results escape.
1667
1668 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1669
1670         PR target/45701
1671         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1672         (arm_get_frame_offsets): Use it.
1673
1674 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1675             Jakub Jelinek  <jakub@redhat.com>
1676
1677         PR tree-optimization/47271
1678         * tree-if-conv.c (bb_postdominates_preds): New.
1679         (if_convertible_bb_p): Call bb_postdominates_preds.
1680         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1681         (predicate_scalar_phi): Call bb_postdominates_preds.
1682
1683 2011-01-25  Nick Clifton  <nickc@redhat.com>
1684
1685         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1686         * config/rx/rx.c (rx_function_value): Likewise.
1687         (rx_promote_function_mode): Likewise.
1688         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1689         in order to make it legitimate.
1690         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1691         make sure that the first operand is the same as the result register.
1692         (addsi3_unspec): Delete.
1693         (subdi3): Do not accept immediate operands.
1694         (subdi3_internal): Likewise.
1695
1696 2011-01-25  Jeff Law  <law@redhat.com>
1697
1698         PR rtl-optimization/37273
1699         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1700         handle them like argument loads from stack slots.  Do not double
1701         count memory for memory constants and argument loads from stack slots.
1702
1703 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1704
1705         PR tree-optimization/47427
1706         PR tree-optimization/47428
1707         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1708         coalesce if the new root var would be TREE_READONLY.
1709
1710 2011-01-25  Richard Guenther  <rguenther@suse.de>
1711
1712         PR middle-end/47414
1713         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1714         correct type for TBAA.
1715
1716 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1719         (close_phi_written_to_memory): Call for_each_index with
1720         dr_indices_valid_in_loop.
1721
1722 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1725         when it is initialized.
1726
1727 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1730         call to graphite_find_data_references_in_stmt.
1731         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1732         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1733         call to graphite_find_data_references_in_stmt.
1734         (analyze_drs_in_stmts): Same.
1735         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1736         in which the scalar analysis of indices is performed.
1737         (create_data_ref): Same.  Update call to dr_analyze_indices.
1738         (find_data_references_in_stmt): Update call to create_data_ref.
1739         (graphite_find_data_references_in_stmt): Same.
1740         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1741         declaration.
1742         (create_data_ref): Same.
1743         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1744         call to create_data_ref.
1745
1746 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-sese-to-poly.c (build_poly_scop): Move
1749         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1750
1751 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1754         VAR_DECL, PARM_DECL, and RESULT_DECL.
1755
1756 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1759         in a reduction PBB.
1760         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1761         that have already been marked as PBB_IS_REDUCTION.
1762
1763 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * graphite-scop-detection.c (same_close_phi_node): New.
1766         (remove_duplicate_close_phi): New.
1767         (make_close_phi_nodes_unique): New.
1768         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1769
1770 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1773         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1774         of both data references to be the same.
1775
1776 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-dependences.c (build_lexicographical_constraint): Remove
1779         the gdim parameter.
1780         (build_lexicographical_constraint): Adjust call to
1781         ppl_powerset_is_empty.
1782         (dependence_polyhedron): Same.
1783         (graphite_legal_transform_dr): Same.
1784         (graphite_carried_dependence_level_k): Same.
1785         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1786         parameter.
1787         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1788
1789 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1790
1791         * graphite-sese-to-poly.c
1792         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1793         (close_phi_written_to_memory): New.
1794         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1795         and unshare_expr.
1796
1797 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * doc/install.texi: Update the expected version number of PPL to 0.11.
1800         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1801         #if PPL_VERSION_MINOR < 11.
1802
1803 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         * graphite-dependences.c: Include graphite-cloog-util.h.
1806         (new_poly_ddr): Inlined into dependence_polyhedron.
1807         (free_poly_ddr): Moved close by new_poly_ddr.
1808         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1809         Early return NULL when ppl_powerset_is_empty returns true.
1810         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1811         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1812         (graphite_legal_transform_dr): Call new_poly_ddr.
1813         (graphite_carried_dependence_level_k): Same.
1814         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1815         (dot_transformed_deps_stmt_1): Removed.
1816         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1817         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1818         (dot_deps_1): Call dot_deps_2.
1819         * Makefile.in (graphite-dependences.o): Add missing dependence on
1820         graphite-cloog-util.h.
1821
1822 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1823
1824         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1825         (build_lexicographical_constraint): Same.
1826         (dependence_polyhedron_1): Same.
1827         (graphite_legal_transform_dr): Same.
1828         (graphite_carried_dependence_level_k): Same.
1829         * graphite-ppl.c (ppl_powerset_is_empty): New.
1830         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1831         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1832
1833 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1836         the "a followed by b" relation and document it.
1837
1838 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1841         iteration when the bag of constraints is empty.
1842
1843 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1846
1847 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1850         nest and two loop depths as parameters.
1851         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1852         lst_perfect_nestify.
1853
1854 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-dependences.c (print_pddr): Call
1857         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1858
1859 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-ppl.c (debug_gmp_value): New.
1862         * graphite-ppl.h (debug_gmp_value): Declared.
1863
1864 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1865
1866         * doc/install.texi: Document availability of cloog-0.16.
1867
1868 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1869
1870         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1871         invalid postdominance info.
1872
1873 2011-01-24  Jan Hubicka  <jh@suse.cz>
1874
1875         PR c/21659
1876         * doc/extend.texi (weak pragma): Drop claim that it must
1877         appear before definition.
1878         * varasm.c (merge_weak, declare_weak): Only sanity check
1879         that DECL is not output at a time it is declared weak.
1880
1881 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1882
1883         * machmode.def: Fixed comments.
1884
1885 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1886
1887         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1888
1889 2011-01-24  Paul Koning  <ni1d@arrl.net>
1890
1891         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1892         WORDS_BIG_ENDIAN.
1893
1894 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1895
1896         PR target/46519
1897         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1898         (block_info): Add scanned and prev.
1899         (move_or_delete_vzeroupper_2): Return if the basic block
1900         has been scanned and the upper 128bit state is unchanged
1901         from the last scan.
1902         (move_or_delete_vzeroupper_1): Return true if the exit
1903         state is changed.
1904         (move_or_delete_vzeroupper): Visit basic blocks using the
1905         work-list based algorithm based on vt_find_locations in
1906         var-tracking.c.
1907
1908         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1909
1910 2011-01-24  Nick Clifton  <nickc@redhat.com>
1911
1912         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1913         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1914         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1915         then define __v850e1__.
1916         * doc/invoke.texi: Document -mv850es.
1917
1918 2011-01-24  Richard Henderson  <rth@redhat.com>
1919
1920         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1921         compound unordered comparisons.
1922         * config/rx/rx.c (rx_split_fp_compare): Remove.
1923         * config/rx/rx-protos.h: Update.
1924         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1925         (cbranchsf4): Don't call rx_split_fp_compare.
1926         (*cbranchsf4): Use rx_split_cbranch.
1927         (*cmpsf): Don't accept "i" constraint.
1928         (*conditional_branch): Only valid after reload.
1929         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1930
1931 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1932
1933         PR target/47385
1934         * config/rs6000/altivec.md (vector constant splitters): Add
1935         support for creating vector single precision constants if -mvsx is
1936         used and we would create the constant using Altivec primitives.
1937
1938 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1939             Richard Sandiford  <rdsandiford@googlemail.com>
1940
1941         PR rtl-optimization/47166
1942         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1943         mechanism for PRE_MODIFY and POST_MODIFY.
1944         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1945         reloadreg.
1946
1947 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1948
1949         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1950
1951 2011-01-22  Jan Hubicka  <jh@suse.cz>
1952
1953         PR lto/47333
1954         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1955
1956 2011-01-22  Jan Hubicka  <jh@suse.cz>
1957
1958         PR tree-optimization/43884
1959         PR lto/44334
1960         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1961         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1962
1963 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1964
1965         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1966         * config/s390/s390.c (s390_register_move_cost,
1967         s390_memory_move_cost): New.
1968         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1969
1970 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1971
1972         PR middle-end/47401
1973         * except.c (sjlj_assign_call_site_values): Move setting the
1974         crtl->uses_eh_lsda flag to ...
1975         (sjlj_mark_call_sites): ... here.
1976         (sjlj_emit_function_enter): Support NULL dispatch label.
1977         (sjlj_build_landing_pads): In a function with no landing pads
1978         that still has must-not-throw regions, generate code to register
1979         a personality function with empty LSDA.
1980
1981 2011-01-21  Richard Henderson  <rth@redhat.com>
1982
1983         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1984
1985         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1986
1987         * compare-elim.c: New file.
1988         * Makefile.in (OBJS-common): Add it.
1989         (compare-elim.o): New.
1990         * common.opt (fcompare-elim): New.
1991         * opts.c (default_options_table): Add OPT_fcompare_elim.
1992         * tree-pass.h (pass_compare_elim_after_reload): New.
1993         * passes.c (init_optimization_passes): Add it.
1994         * recog.h: Protect against re-inclusion.
1995         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1996         * doc/invoke.texi (-fcompare-elim): Document it.
1997         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1998         * doc/tm.texi: Rebuild.
1999
2000 2011-01-22  Nick Clifton  <nickc@redhat.com>
2001
2002         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2003         rx_split_fp_compare.
2004
2005 2011-01-22  Nick Clifton  <nickc@redhat.com>
2006
2007         * config/rx/rx.md (UNSPEC_CONST): New.
2008         (deallocate_and_return): Wrap the amount popped off the stack in
2009         an UNSPEC_CONST in order to stop it being rejected by
2010         -mmax-constant-size.
2011         (pop_and_return): Add a "(return)" rtx.
2012         (call): Drop the immediate operand.
2013         (call_internal): Likewise.
2014         (call_value): Likewise.
2015         (call_value_internal): Likewise.
2016         (sibcall_internal): Likewise.
2017         (sibcall_value_internal): Likewise.
2018         (sibcall): Likewise.  Generate an explicit call using
2019         sibcall_internal.
2020         (sibcall_value): Likewise.
2021         (mov<>): FAIL if a constant operand is not legitimate.
2022         (addsi3_unpsec): New pattern.
2023
2024         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2025         (ok_for_max_constant): New function.
2026         (gen_safe_add): New function.
2027         (rx_expand_prologue): Use gen_safe_add.
2028         (rx_expand_epilogue): Likewise.
2029         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2030         UNSPEC CONSTs.
2031
2032 2011-01-21  Jeff Law  <law@redhat.com>
2033
2034         PR tree-optimization/47053
2035         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2036         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2037         statements are deleted.
2038         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2039         is nonempty, then purge dead edges and cleanup the CFG.
2040
2041 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2042
2043         PR debug/47402
2044         Temporarily revert:
2045         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2046         PR debug/47106
2047         * tree-dfa.c (create_var_ann): Mark variable as used.
2048
2049 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR middle-end/45566
2052         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2053         notes from other section in hot/cold partitioning even if
2054         last_action is -3.  Increment call_site_base.
2055
2056         PR rtl-optimization/47366
2057         * fwprop.c (forward_propagate_into): Return bool.  If
2058         any changes are made, -fnon-call-exceptions is used and
2059         REG_EH_REGION note is present, call purge_dead_edges
2060         and return true if it purged anything.
2061         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2062         any EH edges were purged.
2063
2064 2011-01-21  Jeff Law  <law@redhat.com>
2065
2066         PR rtl-optimization/41619
2067         * caller-save.c (setup_save_areas): Break out code to determine
2068         which hard regs are live across calls by examining the reload chains
2069         so that it is always used.
2070         Eliminate code which checked REG_N_CALLS_CROSSED.
2071
2072 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR tree-optimization/47355
2075         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2076         NOP has non-debug uses beyond PHIs in new_bb.
2077
2078 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2079
2080         PR debug/47106
2081         * cfgexpand.c (account_used_vars_for_block): Only account vars
2082         that are annotated as used.
2083         (estimated_stack_frame_size): Don't set TREE_USED.
2084         * tree-dfa.c (create_var_ann): Mark variable as used.
2085
2086 2011-01-21  Richard Guenther  <rguenther@suse.de>
2087
2088         PR middle-end/47395
2089         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2090
2091 2011-01-21  Richard Guenther  <rguenther@suse.de>
2092
2093         PR tree-optimization/47365
2094         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2095         (vn_reference_lookup_pieces): Adjust.
2096         (vn_reference_lookup): Likewise.
2097         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2098         (vn_reference_lookup_3): Only look through kills if in
2099         VN_WALKREWRITE mode.
2100         (vn_reference_lookup_pieces): Adjust.
2101         (vn_reference_lookup): Likewise.
2102         (visit_reference_op_load): Likewise.
2103         (visit_reference_op_store): Likewise.
2104         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2105         (compute_avail): Likewise.
2106         (eliminate): Likewise.
2107
2108 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2109
2110         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2111         DECL_IGNORED_P non-reg vars if they are used.
2112
2113         PR tree-optimization/47391
2114         * varpool.c (const_value_known_p): Return false if
2115         decl is volatile.
2116
2117 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2118
2119         PR bootstrap/47215
2120         * config/i386/i386.c (ix86_local_alignment): Handle
2121         case for va_list_type_node is nil.
2122         (ix86_canonical_va_list_type): Likewise.
2123
2124 2011-01-21  Alan Modra  <amodra@gmail.com>
2125
2126         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2127         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2128
2129 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2130
2131         * config/arm/arm.md (define_attr type): Rename f_load
2132         and f_store to f_fpa_load and f_fpa_store. Update.
2133         (write_conflict): Deal with rename fallout.
2134         (*push_fp_multi): Likewise.
2135         * config/arm/fpa.md (f_load): Use f_fpa_load.
2136         (f_store): Use f_fpa_store.
2137         (*movsf_fpa): Likewise.
2138         (*movdf_fpa): Likewise.
2139         (*movxf_fpa): Likewise.
2140         (*thumb2_movsf_fpa): Likewise.
2141         (*thumb2_movdf_fpa): Likewise.
2142         (*thumb2_movxf_fpa): Likewise.
2143         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2144         f_loadd and f_stored.
2145         (*thumb2_movdi_vfp): Likewise.
2146         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2147         (*thumb2_movsi_vfp): Likewise.
2148         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2149         Use f_loads instead of f_load.
2150         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2151
2152 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2153
2154         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2155         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2156         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2157         (xtensa_mode_dependent_address_p): New function.
2158         (constantpool_address_p): Make static. Change return type to bool.
2159         Change argument type to const_rtx. Use CONST_INT_P predicate.
2160
2161 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2162
2163         PR debug/46583
2164         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2165
2166 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR debug/47283
2169         * cfgexpand.c (expand_debug_expr): Instead of generating
2170         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2171         etc. handling.
2172
2173 2011-01-20  Richard Guenther  <rguenther@suse.de>
2174
2175         PR middle-end/47370
2176         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2177         the pointer operand of MEM_REFs.
2178
2179 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2180
2181         PR tree-optimization/46130
2182         * ipa-split.c (consider_split): If return_bb contains non-virtual
2183         PHIs other than for retval or if split_function would not adjust it,
2184         refuse to split.
2185
2186 2011-01-20  Richard Guenther  <rguenther@suse.de>
2187
2188         PR tree-optimization/47167
2189         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2190         Revert previous change, only avoid enumeral type changes.
2191
2192 2011-01-19  Mike Stump  <mikestump@comcast.net>
2193
2194         * doc/tm.texi.in (BRANCH_COST): Englishify.
2195         * doc/tm.texi (BRANCH_COST): Likewise.
2196
2197 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2198
2199         PR c++/47291
2200         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2201         (gen_scheduled_generic_parms_dies): New functions.
2202         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2203         generation for the end of CU compilation.
2204         (dwarf2out_finish): Generate template parameters DIEs here.
2205
2206 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2207
2208         PR debug/46240
2209         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2210         debug bind stmt on merge edges.
2211
2212 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2213
2214         PR debug/47079
2215         PR debug/46724
2216         * function.c (instantiate_expr): Instantiate incoming rtl of
2217         implicit arguments, and recurse on VALUE_EXPRs.
2218         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2219         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2220
2221 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2222
2223         * c-parser.c (c_parser_for_statement): Initialize
2224         collection_expression.
2225
2226 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2227
2228         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2229
2230 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2231
2232         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2233         (LINK_SHLIB_SPEC): Don't use %(link_path).
2234         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2235
2236 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2237
2238         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2239         (NO_SHARED_LIB_SUPPORT): Remove.
2240         (LINK_SHLIB_SPEC): Remove one conditional definition.
2241
2242 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2243
2244         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2245         %{call_shared}.
2246         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2247         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2248         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2249         %{call_shared} and conditionals on these options not being passed.
2250         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2251         %{call_shared}.
2252
2253 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2254
2255         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2256         simplify.
2257
2258         * ipa-split.c: Spelling fixes.
2259
2260 2011-01-19  Richard Henderson  <rth@redhat.com>
2261
2262         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2263         (*mulsi3): Likewise.
2264
2265         * longlong.h [__mn10300__] (count_leading_zeros): New.
2266         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2267         [__mn10300__] (add_ssaaaa, subddmmss): New.
2268         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2269         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2270
2271 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2272
2273         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2274
2275 2011-01-19  Richard Henderson  <rth@redhat.com>
2276
2277         * config/mn10300/mn10300.md (addsi3_flags): New.
2278         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2279         (subsi3_flags, subc_internal, subdi3): New.
2280         (subdi3_internal, *subdi3_degenerate): New.
2281         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2282
2283         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2284         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2285         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2286         * config/mn10300/mn10300-protos.h: Update.
2287         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2288         (return_ret): Likewise.  Rename from return_internal_regs.
2289         (return_internal): Remove.
2290
2291         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2292         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2293         (mn10300_legitimate_constant_p): Likewise.
2294         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2295         (mn10300_frame_size): New.
2296         (mn10300_expand_prologue): Use it.
2297         (mn10300_expand_epilogue): Likewise.
2298         (mn10300_initial_offset): Likewise.
2299         * config/mn10300/mn10300-protos.h: Update.
2300         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2301         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2302         (prologue, epilogue, return_internal): Tidy output code.
2303         (mn10300_store_multiple_operation, return): Likewise.
2304         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2305         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2306         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2307         (load_pic, am33_load_pic): New.
2308         (mn10300_load_pic0, mn10300_load_pic1): New.
2309
2310         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2311         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2312         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2313         (cc_flags_for_mode, cc_flags_for_code): New.
2314         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2315         overflow flag is not valid.  Validate that the flags we need
2316         for the comparison are valid.
2317         (mn10300_output_cmp): Remove.
2318         (mn10300_output_add): New.
2319         (mn10300_select_cc_mode): Use cc_flags_for_code.
2320         (mn10300_split_cbranch): New.
2321         (mn10300_match_ccmode): New.
2322         (mn10300_split_and_operand_count): New.
2323         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2324         to the function.
2325         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2326         (addsi3): ... here.  Use mn10300_output_add.
2327         (*addsi3_flags): New.
2328         (*am33_subsi3, *mn10300_subsi3): Merge...
2329         (subsi3): ... here.  Use attribute isa.
2330         (*subsi3_flags): New.
2331         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2332         when possible.
2333         (*am33_andsi3, *mn10300_andsi3): Merge...
2334         (andsi3): ... here.
2335         (*andsi3_flags): New.
2336         (andsi3 splitters): New.
2337         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2338         (iorsi3): ... here.
2339         (*iorsi3_flags): New.
2340         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2341         (xorsi3): ... here.
2342         (*xorsi3_flags): New.
2343         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2344         (one_cmplsi2): ... here.
2345         (*one_cmplsi2_flags): New.
2346         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2347         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2348         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2349         use matching constraints to eliminate a self-comparison.
2350         (*integer_conditional_branch): Rename from integer_conditional_branch.
2351         Use int_mode_flags to match CC_REG.
2352         (*cbranchsi4_btst, *btstsi): New.
2353         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
2354         mn10300_split_cbranch.
2355         (*am33_cmpsf): Rename from am33_cmpsf.
2356         (*float_conditional_branch): Rename from float_conditional_branch.
2357         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2358         (zero_extendqisi2): ... here.
2359         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2360         (zero_extendhisi2): ... here.
2361         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2362         (extendqisi2): ... here.
2363         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2364         (extendhisi2): ... here.
2365         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2366         (ashlsi3): ... here.
2367         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2368         (lshrsi3): ... here.
2369         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2370         (ashrsi3): ... here.
2371         (consecutive add peephole): Remove.
2372         * config/mn10300/predicates.md (label_ref_operand): New.
2373         (int_mode_flags): New.
2374         (CCZN_comparison_operator): New.
2375
2376         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2377         (throughput_42_latency_43): New reservation.
2378         (mulsidi3, umulsidi3): New expanders.
2379         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2380         the MDR register to allocation; separately allocate the low and
2381         high parts of the DImode result.
2382         (umulsidi3_internal): Similarly.
2383         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2384         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2385         (udivsi3, umodsi3): Remove.
2386         (udivmodsi4, divmodsi4): New expanders.
2387         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2388         (*divmodsi4): Simiarly.
2389         (ext_internal): New.
2390
2391         * config/mn10300/constraints.md ("z"): New constraint.
2392         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2393         (FIXED_REGISTERS): Don't fix MDR.
2394         (CALL_USED_REGSITERS): Reformat nicely.
2395         (REG_ALLOC_ORDER): Add MDR.
2396         (enum regclass): Add MDR_REGS.
2397         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2398         (IRA_COVER_CLASSES): Add MDR_REGS.
2399         (REGNO_REG_CLASS): Handle MDR_REG.
2400         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2401         (mn10300_register_move_cost): Likewise.
2402         * config/mn10300/mn10300.md (MDR_REG): New.
2403         (*movsi_internal): Handle moves to/from MDR_REGS.
2404
2405         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2406         POST_MODIFY.
2407         (mn10300_secondary_reload): Tidy combination reload classes.
2408         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2409         addresses for AM33.  Allow symbolic offsets for reg+imm.
2410         (mn10300_regno_in_class_p): New.
2411         (mn10300_legitimize_reload_address): New.
2412         * config/mn10300/mn10300.h (enum reg_class): Remove
2413         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2414         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2415         SP_OR_GENERAL_REGS.
2416         (REG_CLASS_NAMES): Update to match.
2417         (REG_CLASS_CONTENTS): Likewise.
2418         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2419         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2420         (REGNO_IN_RANGE_P): Remove.
2421         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2422         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2423         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2424         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2425         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2426         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2427         (REGNO_GENERAL_P): New.
2428         (HAVE_POST_MODIFY_DISP): New.
2429         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2430         (LEGITIMIZE_RELOAD_ADDRESS): New.
2431         * config/mn10300/mn10300-protos.h: Update.
2432
2433         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2434         DATA_REGS for AM33 stack-pointer destination.
2435         (mn10300_preferred_output_reload_class): Likewise.
2436         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2437         into a form appropriate for ...
2438         (TARGET_SECONDARY_RELOAD): New.
2439         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2440         * config/mn10300/mn10300-protos.h: Update.
2441         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2442         reload_insi; use the "A" constraint for the scratch; handle AM33
2443         moves of sp to non-address registers.
2444
2445         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2446         (*movqi_internal): ... here.
2447         (*am33_movhi, *mn10300_movhi): Merge into...
2448         (*movhi_internal): ... here.
2449         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2450         as the source/destination of moves from/to SP.
2451         (movsf): Only allow for AM33-2.
2452         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2453         any integer constant constraint.  Only allow for AM33-2.  Tidy
2454         all of the alternative outputs.
2455         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2456         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2457         for MN103.
2458         (udivsi3, umodsi3): New patterns for MN103 only.
2459
2460 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2461
2462         * doc/tm.texi.in: Spell out that a lack of register class unions
2463         can lead to ICEs.
2464         * doc/tm.texi: Regenerate.
2465
2466 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2467
2468         PR rtl-optimization/47337
2469         * dce.c (check_argument_store): New function.
2470         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2471
2472         PR tree-optimization/47290
2473         * tree-eh.c (infinite_empty_loop_p): New function.
2474         (cleanup_empty_eh): Use it.
2475
2476 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2477
2478         PR target/46997
2479         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2480         (a64_expand_widen_sum): Ditto.
2481         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2482         (vec_extract_evenodd_help): Ditto.
2483         (vec_extract_evenv4hi): Ditto.
2484         (vec_extract_oddv4hi): Ditto.
2485         (vec_extract_evenv2si): Ditto.
2486         (vec_extract_oddv2si): Ditto.
2487         (vec_extract_evenv2sf): Ditto.
2488         (vec_extract_oddv2sf): Ditto.
2489         (vec_pack_trunc_v4hi: Ditto.
2490         (vec_pack_trunc_v2si): Ditto.
2491         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2492         (vec_interleave_highv8qi): Ditto.
2493         (mix1_r): Ditto.
2494         (vec_extract_oddv8qi): Ditto.
2495         (vec_interleave_lowv4hi): Ditto.
2496         (vec_interleave_highv4hi): Ditto.
2497         (vec_interleave_lowv2si): Ditto.
2498         (vec_interleave_highv2si): Ditto.
2499
2500 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2501
2502         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2503         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2504         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2505         (pa_c_mode_for_suffix): New.
2506         (TARGET_EXPAND_BUILTIN): Define.
2507         (TARGET_C_MODE_FOR_SUFFIX): Define.
2508         (pa_builtins): Define.
2509         (pa_init_builtins): Register __float128 type and init new support
2510         builtins.
2511         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2512         * config/pa/quadlib.c (_U_Qfcopysign): New.
2513
2514 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2515
2516         PR middle-end/46894
2517         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2518         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2519         are defined.
2520
2521 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2522
2523         PR tree-optimization/47179
2524         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2525         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2526
2527 2011-01-18  Richard Guenther  <rguenther@suse.de>
2528
2529         PR rtl-optimization/47216
2530         * emit-rtl.c: Include tree-flow.h.
2531         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2532         of replicating it with different semantics.
2533         * Makefile.in (emit-rtl.o): Adjust.
2534
2535 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2536
2537         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2538         (cortex_a9_dp): Handle neon types correctly.
2539
2540 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2541
2542         PR rtl-optimization/47299
2543         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2544         subtarget.  Use normal multiplication if both operands are constants.
2545         * expmed.c (expand_widening_mult): Don't try to optimize constant
2546         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2547         before using it.
2548
2549 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2550
2551         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2552         spacing after 'e.g.', typos, comma, hyphenation.
2553
2554 2011-01-17  Richard Henderson  <rth@redhat.com>
2555
2556         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2557         (rx_restricted_mem_operand): New.
2558         (rx_shift_operand): Use register_operand.
2559         (rx_source_operand, rx_compare_operand): Likewise.
2560         * config/rx/rx.md (addsi3_flags): New expander.
2561         (adddi3): Rewrite as expander.
2562         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2563         (subsi3_flags): New expander.
2564         (subdi3): Rewrite as expander.
2565         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2566
2567         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2568         (rx_init_builtins): Remove sat builtin.
2569         (rx_expand_builtin): Likewise.
2570         * config/rx/rx.md (ssaddsi3): New.
2571         (*sat): Rename from sat.  Represent the CC_REG input.
2572
2573         * config/rx/predicates.md (rshift_operator): New.
2574         * config/rx/rx.c (rx_expand_insv): Remove.
2575         * config/rx/rx-protos.h: Update.
2576         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2577         operand to the canonical position.
2578         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2579         (*bitclr, *bitclr_in_memory): Similarly.
2580         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2581         (insv): Retain the zero_extract in the expansion.
2582
2583         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2584         (bswaphi2, bitinvert, revw): Likewise.
2585
2586         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2587         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2588         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2589         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2590         (bitset, bitset_in_memory): Likewise.
2591         (bitinvert, bitinvert_in_memory): Likewise.
2592         (bitclr, bitclr_in_memory): Likewise.
2593         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2594         (rx_strend, rx_cmpstrn): Likewise.
2595         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2596         (bitop peep2 patterns): Remove.
2597
2598         * config/rx/rx.c (rx_match_ccmode): New.
2599         * config/rx/rx-protos.h: Update.
2600         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2601         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2602         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2603         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2604         (fix_truncsfsi2, floatsisf2): Likewise.
2605         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2606         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2607         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2608         (*subsi3_flags, *xorsi3_flags): New.
2609
2610         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2611
2612         * config/rx/rx.c (rx_print_operand): Remove workaround for
2613         unsplit comparison operations.
2614
2615         * config/rx/rx.md (movsicc): Split after reload.
2616         (*movsicc): Merge *movsieq and *movsine via match_operator.
2617         (*stcc): New pattern.
2618
2619         * config/rx/rx.c (rx_float_compare_mode): Remove.
2620         * config/rx/rx.h (rx_float_compare_mode): Remove.
2621         * config/rx/rx.md (cstoresi4): Split after reload.
2622         (*sccc): New pattern.
2623
2624         * config/rx/predicates.md (label_ref_operand): New.
2625         (rx_z_comparison_operator): New.
2626         (rx_zs_comparison_operator): New.
2627         (rx_fp_comparison_operator): New.
2628         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2629         Validate that the flags are set properly for the comparison.
2630         (rx_gen_cond_branch_template): Remove.
2631         (rx_cc_modes_compatible): Remove.
2632         (mode_from_flags): New.
2633         (flags_from_code): Rename from flags_needed_for_conditional.
2634         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2635         (rx_select_cc_mode): Likewise.
2636         (rx_split_fp_compare): New.
2637         (rx_split_cbranch): New.
2638         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2639         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2640         (*cbranchsf4): Similarly.
2641         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2642         match_operator and rx_split_cbranch.
2643         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2644         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2645         (*cmpsi): Rename from cmpsi.
2646         (*tstsi): Rename from tstsi.
2647         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2648         (*conditional_branch): Rename from conditional_branch.
2649         (*reveresed_conditional_branch): Remove.
2650         (b<code>): Remove expander.
2651         * config/rx/rx-protos.h: Update.
2652
2653         * config/rx/rx.c (rx_compare_redundant): Remove.
2654         * config/rx/rx.md (cmpsi): Don't use it.
2655         * config/rx/rx-protos.h: Update.
2656
2657         * config/rx/rx-modes.def (CC_F): New mode.
2658         * config/rx/rx.c (rx_select_cc_mode): New.
2659         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2660         * config/rx/rx-protos.h: Update.
2661
2662 2011-01-17  Richard Henderson  <rth@redhat.com>
2663
2664         * except.c (dump_eh_tree): Fix stray ; after for statement.
2665
2666 2011-01-17  Richard Guenther  <rguenther@suse.de>
2667
2668         PR tree-optimization/47313
2669         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2670         handling before copying the body.  Properly deal with
2671         by-reference result in SSA form.
2672
2673 2011-01-17  Ian Lance Taylor  <iant@google.com>
2674
2675         PR target/47219
2676         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2677         (struct_value_alias_set): Don't define.
2678         (sparc_option_override): Don't set sparc_sr_alias_set and
2679         struct_value_alias_set.
2680         (save_or_restore_regs): Use gen_frame_mem rather than calling
2681         set_mem_alias_set.
2682         (sparc_struct_value_rtx): Likewise.
2683
2684 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2685
2686         PR target/47318
2687         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2688         __m128i.
2689         (_mm_maskstore_pd): Likewise.
2690         (_mm_maskload_ps): Likewise.
2691         (_mm_maskstore_ps): Likewise.
2692         (_mm256_maskload_pd): Change mask to __m256i.
2693         (_mm256_maskstore_pd): Likewise.
2694         (_mm256_maskload_ps): Likewise.
2695         (_mm256_maskstore_ps): Likewise.
2696
2697         * config/i386/i386-builtin-types.def: Updated.
2698         (ix86_expand_special_args_builtin): Likewise.
2699
2700         * config/i386/i386.c (bdesc_special_args): Update
2701         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2702         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2703         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2704         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2705
2706         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2707         Use <avxpermvecmode> on mask register.
2708         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2709
2710 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2711             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2712             Eric Botcazou  <ebotcazou@adacore.com>
2713
2714         PR target/46655
2715         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2716         if <= USHRT_MAX in 32-bit mode.
2717
2718 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2719
2720         * doc/install.texi (Configuration, Specific): Wrap long
2721         lines in examples.  Allow line wrapping in long options
2722         and URLs where beneficial for PDF output.
2723
2724 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2725
2726         * config/mips/mips.c (mips_classify_symbol): Don't return
2727         SYMBOL_PC_RELATIVE for nonlocal labels.
2728
2729 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2730
2731         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2732
2733 2011-01-15  Jan Hubicka  <jh@suse.cz>
2734
2735         PR tree-optimization/47276
2736         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2737         declarations as needed.
2738
2739 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2740
2741         * common.opt (fdevirtualize): New flag.
2742         * doc/invoke.texi (Option Summary): Document it.
2743         * opts.c (default_options_table): Add devirtualize flag.
2744         * ipa-prop.c (detect_type_change): Return immediately if
2745         devirtualize flag is not set.
2746         (detect_type_change_ssa): Likewise.
2747         (compute_known_type_jump_func): Likewise.
2748         (ipa_analyze_virtual_call_uses): Likewise.
2749
2750 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2751
2752         PR tree-optimization/45934
2753         PR tree-optimization/46302
2754         * ipa-prop.c (type_change_info): New type.
2755         (stmt_may_be_vtbl_ptr_store): New function.
2756         (check_stmt_for_type_change): Likewise.
2757         (detect_type_change): Likewise.
2758         (detect_type_change_ssa): Likewise.
2759         (compute_complex_assign_jump_func): Check for dynamic type change.
2760         (compute_complex_ancestor_jump_func): Likewise.
2761         (compute_known_type_jump_func): Likewise.
2762         (compute_scalar_jump_functions): Likewise.
2763         (ipa_analyze_virtual_call_uses): Likewise.
2764         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2765
2766 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2767
2768         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2769         * config/i386/i386.opt (msse5): New Alias.
2770
2771 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2772
2773         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2774         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2775         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2776         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2777
2778 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2779
2780         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2781         -mcpu options.
2782         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2783         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2784         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2785         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2786         Likewise.
2787         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2788
2789 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2790
2791         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2792
2793 2011-01-14  Mike Stump  <mikestump@comcast.net>
2794
2795         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2796         * config/fr30/fr30.md: Likweise
2797         (movsi_push): Likewise.
2798         (movsi_pop): Likewise.
2799         (enter_func): Likewise.
2800         * config/moxie/moxie.md (movsi_push): Likewise.
2801         (movsi_pop): Likewise.
2802
2803 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2804
2805         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2806         %{no_archive} %{exact_version}.
2807         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2808         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2809         %{no_archive} %{exact_version}.
2810         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2811         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2812         * config/mips/vxworks.h: Likewise.
2813
2814 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2815
2816         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2817
2818 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2819
2820         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2821         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2822
2823 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2824
2825         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2826         -nodefaultlib.
2827
2828 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2829
2830         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2831         for mcpu not cpu.
2832         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2833         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2834         not cpu.
2835         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2836         Don't handle -shlib.
2837
2838 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2839
2840         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2841         (CC1_SPEC): Don't handle -profile.
2842
2843 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2844
2845         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2846         * config/mips/mips.h (CC1_SPEC): Likewise.
2847
2848 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2849
2850         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2851         * config/mips/mips.h (CC1_SPEC): Likewise.
2852
2853 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2854
2855         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2856         * config/m32r/linux.h (LINK_SPEC): Likewise.
2857         * config/mips/linux.h (LINK_SPEC): Likewise.
2858         * config/mips/linux64.h (LINK_SPEC): Likewise.
2859         * config/sparc/linux.h (LINK_SPEC): Likewise.
2860         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2861         LINK_SPEC): Likewise.
2862         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2863
2864 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2865
2866         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2867         %{version:-v}.
2868         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2869
2870 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2871
2872         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2873         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2874
2875 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2876
2877         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2878
2879 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2880
2881         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2882         supports -Bstatic/-Bdynamic.
2883         * configure: Regenerate.
2884
2885 2011-01-14  Jan Hubicka  <jh@suse.cz>
2886         Jack Howarth <howarth@bromo.med.uc.edu>
2887
2888         PR target/46037
2889         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2890         when checking debug_info_level. Test write_symbols instead of
2891         debug_hooks->var_location when setting flag_var_tracking_uninit.
2892
2893 2011-01-14  Richard Guenther  <rguenther@suse.de>
2894
2895         PR tree-optimization/47179
2896         * target.def (ref_may_alias_errno): New target hook.
2897         * targhooks.h (default_ref_may_alias_errno): Declare.
2898         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2899         (default_ref_may_alias_errno): New function.
2900         * target.h (struct ao_ref_s): Declare.
2901         * tree-ssa-alias.c: Include target.h.
2902         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2903         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2904         (targhooks.o): Likewise.
2905         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2906         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2907
2908 2011-01-14  Richard Guenther  <rguenther@suse.de>
2909
2910         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2911
2912 2011-01-14  Richard Guenther  <rguenther@suse.de>
2913
2914         PR tree-optimization/47280
2915         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2916         return CFG changes.
2917         (tree_ssa_forward_propagate_single_use_vars): Deal with
2918         CFG changes from associate_plusminus.
2919
2920 2011-01-14  Richard Guenther  <rguenther@suse.de>
2921
2922         PR middle-end/47281
2923         Revert
2924         2011-01-11  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/46076
2927         * tree-ssa.c (useless_type_conversion_p): Conversions from
2928         unprototyped to empty argument list function types are useless.
2929
2930 2011-01-14  Richard Guenther  <rguenther@suse.de>
2931
2932         PR tree-optimization/47286
2933         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2934
2935 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2936
2937         PR middle-end/46823
2938         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2939
2940 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2941
2942         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2943         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2944         * config/xtensa/xtensa.c (xtensa_libcall_value,
2945         xtensa_function_value_regno_p): New functions.
2946         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2947
2948 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2949
2950         PR c++/47213
2951         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2952         PE specific hook.
2953         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2954         New function prototype.
2955         * config/i386/winnt.c (i386_pe_assemble_visibility):
2956         Warn only if attribute was specified by user.
2957
2958 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2959
2960         PR target/47251
2961         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2962         floating point.
2963         (floatunsdidf2_fcfidu): Ditto.
2964
2965 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2966
2967         * config/s390/s390.c (print_operand_address): Replace 'error' with
2968         'output_operand_lossage'.
2969         (print_operand): Likewise.
2970
2971 2011-01-13  Jeff Law  <law@redhat.com>
2972
2973         PR rtl-optimization/39077
2974         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2975         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2976         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2977         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2978         * gcse.c (prune_insertions_deletions): New function.
2979         (compute_pre_data): Use it.
2980
2981 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2982
2983         PR debug/PR46973
2984         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2985         static function.
2986         (prune_unused_types_mark): Use it.
2987
2988 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2989
2990         PR rtl-optimization/45352
2991         * sel-sched.c: Update copyright years.
2992         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2993         in the advancing loop when we have issued issue_rate insns.
2994
2995 2011-01-12  Richard Henderson  <rth@redhat.com>
2996
2997         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2998         (TARGET_MD_ASM_CLOBBERS): New.
2999
3000         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3001         (TARGET_DELEGITIMIZE_ADDRESS): New.
3002
3003         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3004         (clzsi2, *bsch): New patterns.
3005
3006         * config/mn10300/mn10300.md (INT): New mode iterator.
3007         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3008
3009         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3010         flag_split_wide_types.
3011
3012         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3013         (mn10300_trampoline_init): Rewrite without a template, an immediate
3014         load and a direct branch.
3015         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3016
3017 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3018
3019         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3020         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3021         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3022         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3023
3024 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3025
3026         PR debug/47209
3027         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3028         of type.
3029
3030 2011-01-12  Jan Hubicka  <jh@suse.cz>
3031
3032         PR driver/47244
3033         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3034         (PLUGIN_COND_CLOSE): New macro.
3035         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3036
3037 2011-01-12  Richard Guenther  <rguenther@suse.de>
3038
3039         PR lto/47259
3040         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3041         register variables in a MEM_REF.
3042
3043 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3044
3045         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3046         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3047         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3048         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3049         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3050         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3051         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3052         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3053         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3054         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3055         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3056         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3057         * config/gnu-user.h: New.  Copied from linux.h.
3058         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3059         GNU_USER_TARGET_STARTFILE_SPEC.
3060         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3061         GNU_USER_TARGET_ENDFILE_SPEC.
3062         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3063         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3064         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3065         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3066         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3067         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3068         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3069         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3070         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3071         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3072         * config/arm/linux-eabi.h (CC1_SPEC): Use
3073         GNU_USER_TARGET_CC1_SPEC.
3074         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3075         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3076         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3077         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3078         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3079         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3080         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3081         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3082
3083 2011-01-12  Richard Guenther  <rguenther@suse.de>
3084
3085         PR other/46946
3086         * doc/invoke.texi (ffast-math): Document it is turned on
3087         with -Ofast.
3088
3089 2011-01-12  Jan Hubicka  <jh@suse.cz>
3090
3091         PR tree-optimization/47233
3092         * opts.c (common_handle_option): Disable ipa-reference with profile
3093         feedback.
3094
3095 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3096
3097         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3098         error message.
3099
3100 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3101
3102         * c-parser.c (c_lex_one_token): Updated and reindented some
3103         comments.  No changes in code.
3104
3105 2011-01-11  Ian Lance Taylor  <iant@google.com>
3106
3107         * godump.c (go_output_var): Don't output the variable if there is
3108         already a type with the same name.
3109
3110 2011-01-11  Ian Lance Taylor  <iant@google.com>
3111
3112         * godump.c (go_format_type): Don't generate float80.
3113
3114 2011-01-11  Richard Henderson  <rth@redhat.com>
3115
3116         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3117         declaration.  Rewrite for both speed and size.
3118         (mn10300_address_cost_1): Remove.
3119         (mn10300_register_move_cost): New.
3120         (mn10300_memory_move_cost): New.
3121         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3122         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3123         extensions, shifts, BSWAP, CLZ.
3124         (mn10300_wide_const_load_uses_clr): Remove.
3125         (TARGET_REGISTER_MOVE_COST): New.
3126         (TARGET_MEMORY_MOVE_COST): New.
3127         * config/mn10300/mn10300-protos.h: Update.
3128         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3129
3130         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3131         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3132         * config/mn10300/mn10300-protos.h: Update.
3133         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3134         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3135         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3136         (*test_int_bitfield, *test_byte_bitfield): Remove.
3137         (*bit_test, *subreg_bit_test): Remove.
3138         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3139
3140         * config/mn10300/constraints.md ("c"): Rename from "A".
3141         ("A", "D"): New constraint letters.
3142         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3143         (fmssf4, fnmasf4, fnmssf4): Likewise.
3144
3145         * config/mn10300/mn10300.md (isa): New attribute.
3146         (enabled): New attribute.
3147
3148         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3149         (abssf2, negsf2): Define only for hardware fp.
3150         (sqrtsf2): Reformat.
3151         (addsf3, subsf3, mulsf3): Merge expander and insn.
3152
3153         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3154         (DEBUGGER_AUTO_OFFSET): Remove.
3155         (DEBUGGER_ARG_OFFSET): Remove.
3156
3157         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3158         Emit register stores with the same offsets as the hardware.
3159         (mn10300_store_multiple_operation): Don't check that the register
3160         save offsets are monotonic.
3161         * config/mn10300/mn10300-protos.h: Update.
3162
3163         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3164
3165         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3166         in terms of the value on the stack, not the MDR register.
3167
3168 2011-01-11  Jan Hubicka  <jh@suse.cz>
3169
3170         PR lto/45721
3171         PR lto/45375
3172         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3173         (symbol_alias_set_destroy, symbol_alias_set_contains,
3174         propagate_aliases_backward): Declare.
3175         * lto-streamer-out.c (struct sets): New sturcture.
3176         (trivally_defined_alias): New function.
3177         (output_alias_pair_p): Rewrite.
3178         (output_unreferenced_globals): Fix output of alias pairs.
3179         (produce_symtab): Likewise.
3180         * ipa.c (function_and_variable_visibility): Set weak alias destination
3181         as needed in lto.
3182         * varasm.c (symbol_alias_set_t): Remove.
3183         (symbol_alias_set_destroy): Export.
3184         (propagate_aliases_forward, propagate_aliases_backward): New functions
3185         based on ...
3186         (compute_visible_aliases): ... this one; remove.
3187         (trivially_visible_alias): New
3188         (trivially_defined_alias): New.
3189         (remove_unreachable_alias_pairs): Rewrite.
3190         (finish_aliases_1): Reorganize code checking if alias is defined.
3191         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3192         in LTO mode.
3193
3194 2011-01-11  Richard Guenther  <rguenther@suse.de>
3195
3196         PR tree-optimization/46076
3197         * tree-ssa.c (useless_type_conversion_p): Conversions from
3198         unprototyped to empty argument list function types are useless.
3199
3200 2011-01-11  Richard Guenther  <rguenther@suse.de>
3201
3202         PR middle-end/45235
3203         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3204         volatile MEMs as MEM_READONLY_P.
3205
3206 2011-01-11  Richard Guenther  <rguenther@suse.de>
3207
3208         PR tree-optimization/47239
3209         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3210
3211 2011-01-11  Jeff Law  <law@redhat.com>
3212
3213         PR tree-optimization/47086
3214         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3215         IVs from statements that might throw.
3216
3217 2011-01-10  Jan Hubicka  <jh@suse.cz>
3218
3219         PR lto/45375
3220         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3221
3222 2011-01-10  Jan Hubicka  <jh@suse.cz>
3223
3224         PR lto/45375
3225         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3226         when correcting profile.
3227
3228 2011-01-10  Jan Hubicka  <jh@suse.cz>
3229
3230         PR lto/46083
3231         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3232         DECL_FINI_PRIORITY.
3233         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3234         Restore DECL_FINI_PRIORITY.
3235
3236 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3237
3238         * doc/gimple.texi: Fix quoting of multi-word return values in
3239         @deftypefn statements.  Ensure presence of return value.  Wrap
3240         overlong @deftypefn lines.
3241         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3242         descriptions of removed functions.
3243         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3244         of multi-word return value in @deftypefn statement.
3245
3246 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3247
3248         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3249         (Conditional Expressions, Logical Operators)
3250         (Statement and operand traversals): Do not indent smallexample
3251         code.  Fix duplicate function argument in example.
3252
3253 2011-01-10  Jeff Law  <law@redhat.com>
3254
3255         PR tree-optimization/47141
3256         * ipa-split.c (split_function): Handle case where we are
3257         returning a value and the return block has a virtual operand phi.
3258
3259 2011-01-10  Jan Hubicka  <jh@suse.cz>
3260
3261         PR tree-optimization/47234
3262         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3263         (pass_feedback_split_functions): Declare.
3264         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3265         tree-profile.
3266         * ipa-split.c (gate_split_functions): Update comments; disable
3267         split-functions for profile_arc_flag and branch_probabilities.
3268         (gate_feedback_split_functions): New function.
3269         (execute_feedback_split_functions): New function.
3270         (pass_feedback_split_functions): New global var.
3271
3272 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3273
3274         PR lto/46760
3275         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3276         calling gimple_call_set_cannot_inline.
3277
3278 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3279
3280         * config/darwin-sections.def: Remove unused section.
3281
3282 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3283
3284         PR c++/47218
3285         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3286
3287 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3288
3289         PR objc/47232
3290         * c-parser.c (c_parser_declaration_or_fndef): Improved
3291         error message.
3292
3293 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3294
3295         * config/i386/winnt.c (i386_pe_start_function): Make sure
3296         to switch back to function's section.
3297
3298 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3299
3300         PR gcc/46902
3301         PR testsuite/46912
3302         * plugin.c: Move include of dlfcn.h from here...
3303         * system.h: ... to here.
3304
3305 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3306
3307         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3308         file name.
3309         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3310         two extra empty pages in PDF output.
3311
3312 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3313
3314         PR objc/47078
3315         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3316         for error recovery purposes behave as if it was not specified so
3317         that the default type is usd.
3318
3319 2011-01-07  Jan Hubicka  <jh@suse.cz>
3320
3321         PR tree-optmization/46469
3322         * ipa.c (function_and_variable_visibility): Clear needed flags on
3323         nodes with external decls; handle weakrefs merging correctly.
3324
3325 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3326
3327         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3328         not false.
3329
3330 2011-01-07  Jan Hubicka  <jh@suse.cz>
3331
3332         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3333         and no longer claim that gold is required for linker plugin.
3334         * configure: Regenerate.
3335         * gcc.c (PLUGIN_COND): New macro.
3336         (LINK_COMMAND_SPEC): Use it.
3337         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3338         * config.in (HAVE_LTO_PLUGIN): New.
3339         * configure.ac (--with-lto-plugin): New parameter; autodetect
3340         HAVE_LTO_PLUGIN.
3341
3342 2011-01-07  Jan Hubicka  <jh@suse.cz>
3343
3344         PR tree-optimization/46367
3345         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3346         when we can update original.
3347         (cgraph_mark_inline_edge): Sanity check.
3348         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3349
3350 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3351
3352         * config/spu/spu.h (ASM_COMMENT_START): Define.
3353
3354 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3355
3356         PR driver/42445
3357         * gcc.c (%>S): New.
3358         (SWITCH_KEEP_FOR_GCC): Likewise.
3359         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3360         (do_spec_1): Handle "%>".
3361
3362         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3363
3364 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
3365
3366         PR target/47201
3367         * config/i386/i386.c (ix86_delegitimize_address): If
3368         simplify_gen_subreg fails, return orig_x.
3369
3370         PR bootstrap/47187
3371         * value-prof.c (gimple_stringop_fixed_value): Handle
3372         lhs of the call properly.
3373
3374 2011-01-07  Jan Hubicka  <jh@suse.cz>
3375
3376         PR lto/45375
3377         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3378
3379 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3380
3381         * target.def (function_switched_text_sections): New hook.
3382         * doc/tm.texi: Regenerated.
3383         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3384         * final.c (default_function_switched_text_sections): New.
3385         (final_scan_insn): Call function_switched_text_sections when a
3386         mid-function section change occurs.
3387         * output.h (default_function_switched_text_sections): Declare.
3388         * config/darwin-protos.h (darwin_function_switched_text_sections):
3389         Likewise.
3390         * config/darwin.c (darwin_function_switched_text_sections): New.
3391         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3392
3393 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3394
3395         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3396         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3397         the secondary code fragment when outputting for DWARF == 2.
3398
3399 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3400
3401         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3402         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3403         Remove.
3404         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3405         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3406
3407 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3408
3409         PR debug/46704
3410         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3411         when it is not empty.
3412
3413 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3414
3415         Bobcat Enablement
3416         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3417         (case ${target}): Add btver1.
3418         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3419         -march=native recognize btver1 processors.
3420         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3421         btver1 def_and_undef
3422         * config/i386/i386.c (struct processor_costs btver1_cost): New
3423         btver1 cost table.
3424         (m_BTVER1): New definition.
3425         (m_AMD_MULTIPLE): Includes m_BTVER1.
3426         (initial_ix86_tune_features): Add btver1 tune.
3427         (processor_target_table): Add btver1 entry.
3428         (static const char *const cpu_names): Add btver1 entry.
3429         (software_prefetching_beneficial_p): Add btver1.
3430         (ix86_option_override_internal): Add btver1 instruction sets.
3431         (ix86_issue_rate): Add btver1.
3432         (ix86_adjust_cost): Add btver1.
3433         * config/i386/i386.h (TARGET_BTVER1): New definition.
3434         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3435         (enum processor_type): Add PROCESSOR_BTVER1.
3436         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3437
3438 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3439
3440         PR target/43309
3441         * config/i386/i386.c (legitimize_tls_address)
3442         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3443         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3444         (tls_initial_exec_64_sun): New pattern.
3445
3446 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3447
3448         * doc/invoke.texi (Overall Options): Improve wording and markup
3449         of the description of -wrapper.
3450
3451 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3452
3453         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3454         rdynamic, threads): New Driver options.
3455
3456 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3457
3458         PR target/38118
3459         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3460         if coming from .tdata.
3461         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3462
3463 2011-01-06  Jan Hubicka  <jh@suse.cz>
3464
3465         PR lto/47188
3466         * collect2.c (main): Do not enable LTOmode when plugin is active.
3467
3468 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3469
3470         PR other/45915
3471         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3472         --version output if supported.
3473         * configure: Regenerate.
3474
3475 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3476
3477         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3478         Driver options.
3479
3480 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3481
3482         PR c/47150
3483         * c-convert.c (convert): When converting a complex expression
3484         other than COMPLEX_EXPR to a different complex type, ensure
3485         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3486         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3487         when converting COMPLEX_TYPE.
3488
3489 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3490
3491         PR tree-optimization/47139
3492         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3493         only the last reduction value is used outside the loop.  Update
3494         documentation.
3495
3496 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
3497
3498         * config/rtems.opt: New.
3499         * config.gcc (*-*-rtems*): Use rtems.opt.
3500
3501 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
3502
3503         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3504         processors do not support 3DNow instructions.
3505
3506 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3507
3508         * config/spu/spu.c (spu_option_override): Set parameter
3509         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3510
3511 2011-01-05  Jan Hubicka  <jh@suse.cz>
3512
3513         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3514         at the command line.
3515
3516 2011-01-05  Martin Jambor  <mjambor@suse.cz>
3517
3518         PR lto/47162
3519         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3520         deltas on streamed outgoing edges.
3521         (output_node_opt_summary): Output info for outgoing edges only when
3522         the node is in new parameter set.
3523         (output_cgraph_opt_summary): New parameter set, passed to the two
3524         aforementioned functions.  Update its forward declaration and its
3525         callee too.
3526
3527 2011-01-05  Tom Tromey  <tromey@redhat.com>
3528
3529         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3530         operator to c_finish_omp_atomic.
3531         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3532         (build_unary_op): Update.
3533         (build_modify_expr): Update.
3534         (build_asm_expr): Update.
3535
3536 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3537
3538         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3539         newly inserted insns.
3540         (pad_bb): Likewise.
3541         (spu_emit_branch_hint): Likewise.
3542         (insert_hbrp_for_ilb_runout): Likewise.
3543         (spu_machine_dependent_reorg): Call df_finish_pass after
3544         schedule_insns returns.
3545
3546 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3547
3548         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3549
3550 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3551
3552         PR tree-optimization/47005
3553         * tree-sra.c (struct access): Add 'non_addressable' bit.
3554         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3555         (decide_one_param_reduction): Return 0 if the parameter is passed by
3556         reference and one of the accesses in the group is non_addressable.
3557
3558 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3559
3560         PR tree-optimization/47056
3561         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3562         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
3563         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
3564
3565 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3566
3567         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3568         initializer.  Skip view conversions from aggregate types.
3569
3570 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
3571
3572         PR bootstrap/47055
3573         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3574
3575 2011-01-04  Philipp Thomas <pth@suse.de>
3576
3577         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3578         obvious typo.
3579
3580 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3581
3582         * function.c (thread_prologue_and_epilogue_insns): Do not crash
3583         on empty epilogue sequences.
3584
3585 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
3586
3587         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3588         non-static): New Driver options.
3589
3590 2011-01-04  Jie Zhang  <jie@codesourcery.com>
3591
3592         PR driver/47137
3593         * gcc.c (default_compilers[]): Set combinable field to 0
3594         for all assembly languages.
3595
3596 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3597
3598         * config/mips/loongson3a.md: New file.
3599         * config/mips/mips.md: Include loongson3a.md.
3600         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3601         TUNE_LOONGSON_3A.
3602
3603 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3604
3605         PR middle-end/47017
3606         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3607         instead of convert_memory_address_addr_space on the base expression.
3608
3609 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3610
3611         * config/spu/spu.c (spu_option_override): Update error text
3612         for bad -march= / -mtune= values.
3613
3614 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3615
3616         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3617         if branch-hint optimization will be performed.
3618
3619 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3620
3621         PR tree-optimization/47148
3622         * ipa-split.c (split_function): Convert arguments to
3623         DECL_ARG_TYPE if possible.
3624
3625         PR tree-optimization/47155
3626         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3627         when computing uns.
3628
3629         PR rtl-optimization/47157
3630         * combine.c (try_combine): If undobuf.other_insn becomes
3631         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3632         and set *new_direct_jump_p too.
3633
3634 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         PR tree-optimization/47021
3637         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3638
3639 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3640
3641         * gcc.c (process_command): Update copyright notice dates.
3642         * gcov.c (print_version): Likewise.
3643         * gcov-dump.c (print_version): Likewise.
3644         * mips-tfile.c (main): Likewise.
3645         * mips-tdump.c (main): Likewise.
3646
3647 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3648
3649         PR tree-optimization/46801
3650         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3651         aggregate fields start at byte boundary instead of the bit-field flag.
3652
3653 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3654
3655         PR driver/47137
3656         * gcc.c (main): Revert revision 168407.
3657
3658 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3659
3660         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3661
3662 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3663
3664         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3665         vector optab to expand vector/scalar shift, update gimple to vector.
3666
3667 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3668
3669         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3670         a thunk.
3671
3672 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3673
3674         PR tree-optimization/46984
3675         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3676         HOST_WIDE_INT.
3677         (cgraph_create_indirect_edge): Fixed line length.
3678         (cgraph_indirect_call_info): Declare.
3679         (cgraph_make_edge_direct) Update declaration.
3680         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3681         (cgraph_create_indirect_edge): Use it.
3682         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3683         callees.
3684         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3685         the new thunk_delta representation.
3686         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3687         HOST_WIDE_INT.
3688         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3689         (ipa_read_indirect_edge_info): Likewise.
3690         * lto-cgraph.c (output_edge_opt_summary): New function.
3691         (output_node_opt_summary): Call it on all outgoing edges.
3692         (input_edge_opt_summary): New function.
3693         (input_node_opt_summary): Call it on all outgoing edges.
3694
3695 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3696
3697         PR driver/47137
3698         * gcc.c (main): Don't check have_o when settting combine_inputs.
3699
3700 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3701
3702         * regrename.c: Add general comment describing the pass.
3703         (struct du_head): Remove 'length' field.
3704         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3705         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3706         Force renaming to the preferred class (if any) in the first pass and do
3707         not consider registers that belong to it in the second pass.
3708         (create_new_chain): Do not set 'length' field.
3709         (scan_rtx_reg): Likewise.
3710
3711 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3712
3713         PR tree-optimization/47140
3714         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3715         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3716         to bit_value_binop.
3717
3718         PR rtl-optimization/47028
3719         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3720         parm_birth_insn instead of at the beginning of first bb.
3721
3722 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3723
3724         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3725         Remove the word "see" before "@pxref".
3726         * doc/rtl.texi: Remove the word "see" before "@pxref".
3727
3728 2011-01-01  Jan Hubicka  <jh@suse.cz>
3729
3730         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3731         memory.
3732
3733 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3734
3735         PR target/38662
3736         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3737
3738 \f
3739 Copyright (C) 2011 Free Software Foundation, Inc.
3740
3741 Copying and distribution of this file, with or without modification,
3742 are permitted in any medium without royalty provided the copyright
3743 notice and this notice are preserved.