1 2011-02-16 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/47738
4 * tree-ssa-loop.c (run_tree_predictive_commoning): Return
5 the TODO from tree_predictive_commoning.
7 2011-02-15 Jeff Law <law@redhat.com>
10 2011-01-25 Jeff Law <law@redhat.com>
12 PR rtl-optimization/37273
13 * ira-costs.c (scan_one_insn): Detect constants living in memory and
14 handle them like argument loads from stack slots. Do not double
15 count memory for memory constants and argument loads from stack slots.
17 2011-02-15 H.J. Lu <hongjiu.lu@intel.com>
20 * combine.c (cant_combine_insn_p): Revert the last change.
22 2011-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
25 * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
26 mode for vector constants. Remove code that checks for TImode.
28 2011-02-15 Alexandre Oliva <aoliva@redhat.com>
32 * cgraph.h (compute_inline_parameters): Return void.
33 * ipa-inline.c (compute_inline_parameters): Adjust.
35 2011-02-15 Alexandre Oliva <aoliva@redhat.com>
39 * tree-inline.h (estimated_stack_frame_size): Take cgraph node
41 * cfgexpand.c (estimated_stack_frame_size): Likewise.
42 * ipa-inline.c (compute_inline_parameters): Adjust.
44 2011-02-15 Alexandre Oliva <aoliva@redhat.com>
48 * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
49 Adjust all users. Pass FN to...
50 * tree-flow-inline.h (first_referenced_var): ... this. Add
52 * ipa-struct-reorg.c: Adjust.
54 * tree-into-ssa.c: Adjust.
56 * tree-ssa-alias.c: Adjust.
57 * tree-ssa-live.c: Adjust.
59 * tree-ssanames.c: Adjust.
60 * tree-tailcall.c: Adjust.
62 2011-02-15 Alexandre Oliva <aoliva@redhat.com>
66 * tree-flow.h (referenced_var_lookup): Add fn parameter.
68 * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
69 * tree-flow-inline.h: Adjust.
70 * gimple-pretty-print.c: Adjust.
71 * tree-into-ssa.c: Adjust.
73 * cfgexpand.c: Adjust.
75 2011-02-15 Nathan Froyd <froydnj@codesourcery.com>
77 * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
78 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
79 (EXTRA_CONSTRAINT): Delete.
80 * config/iq2000/constraints.md: New file.
81 * config/iq2000/iq2000.md: Include it.
82 (define_insn ""): Delete.
83 (movsi_internal2, movhi_internal2, movqi_internal2): Delete
84 unsupported constraint letters from patterns.
85 (call_value, call_value_internal1): Likewise.
86 (call_value_multiple_internal1): Likewise.
88 2011-02-15 Nick Clifton <nickc@redhat.com>
90 * config/mn10300/mn10300.c: Include tm-constrs.h.
91 (struct liw_data): New data structure describing an LIW candidate
93 (extract_bundle): Use struct liw_data. Allow small integer
94 operands for some instructions.
95 (check_liw_constraints): Use struct liw_data. Remove swapped
96 parameter. Add comments describing the checks. Fix bug when
97 assigning the source of liw1 to the source of liw2.
98 (liw_candidate): Delete. Code moved into extract_bundle.
99 (mn10300_bundle_liw): Use struct liw_data. Check constraints
101 * config/mn10300/predicates.md (liw_operand): New predicate.
102 Allows registers and small integer constants.
103 * config/mn10300/constraints.md (O): New constraint. Accetps
104 integers in the range -8 to +7 inclusive.
105 * config/mn10300/mn10300.md (movesi_internal): Add an alternative
106 for moving a small integer into a register. Give this alternative
108 (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
109 (ashlsi3): Likewise, plus give LIW attributes to the alternatives
110 using the J,K,L and M constraints,
111 (liw): Remove SI mode on second operands to allow for HI and QI
113 (cmp_liw, liw_cmp): Likewise. Plus fix order of operands in the
116 2011-02-15 H.J. Lu <hongjiu.lu@intel.com>
119 * combine.c (cant_combine_insn_p): Check zero/sign extended
122 2011-02-15 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/47743
125 * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
126 for a non-type-compatible VN lookup bail out.
128 2011-02-15 Nathan Froyd <froydnj@codesourcery.com>
130 * config/fr30/constraints.md: New file.
131 * config/fr30/fr30.md: Include it.
132 * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
133 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
134 (EXTRA_CONSTRAINT): Delete.
136 2011-02-15 Nathan Froyd <froydnj@codesourcery.com>
138 * config/frv/constraints.md: New file.
139 * config/frv/predicates.md: Include it.
140 * config/frv/frv.c (reg_class_from_letter): Delete.
141 (frv_option_override): Don't initialize it.
142 * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
143 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
144 (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
145 (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
146 (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
147 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
148 (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
149 (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
150 (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
151 (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
152 (REG_CLASS_FROM_CONSTRAINT): Delete.
154 2011-02-15 Jakub Jelinek <jakub@redhat.com>
157 * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
158 if frame size is 0 in a leaf function.
160 2011-02-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
163 * config/alpha/host-osf.c: New file.
164 * config/alpha/x-osf: New file.
165 * config.host (alpha*-dec-osf*): Use it.
167 2011-02-14 Anatoly Sokolov <aesok@post.ru>
169 * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
170 * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
171 * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
172 (rx_mode_dependent_address_p): ...this. Make static. Change argument
174 (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
176 2011-02-14 Nathan Froyd <froydnj@codesourcery.com>
178 * config/stormy16/constraints.md: New file.
179 * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
180 Use satisfies_constraint_Q and satisfies_constraint_R.
181 * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
183 (xstormy16_legitiamte_address_p): Declare.
184 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
185 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
186 (EXTRA_CONSTRAINT): Delete.
187 * config/stormy16/stormy16.c (xstormy16_legitiamte_address_p):
189 (xstormy16_extra_constraint_p): Delete.
191 2011-02-14 Eric Botcazou <ebotcazou@adacore.com>
193 PR tree-optimization/46494
194 * loop-unroll.c (split_edge_and_insert): Adjust comment.
195 * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
196 (pass_rtl_loop_done): Add TODO_verify_flow.
197 * fwprop.c (pass_rtl_fwprop): Likewise.
198 * modulo-sched.c (pass_sms): Likewise.
199 * tree-ssa-dom.c (pass_dominator): Likewise.
200 * tree-ssa-loop-ch.c (pass_ch): Likewise.
201 * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
202 (pass_tree_loop_done): Likewise.
203 * tree-ssa-pre.c (execute_pre): Likewise.
204 * tree-ssa-reassoc.c (pass_reassoc): Likewise.
205 * tree-ssa-sink.c (pass_sink_code): Likewise.
206 * tree-vrp.c (pass_vrp): Likewise.
208 2011-02-14 Nathan Froyd <froydnj@codesourcery.com>
210 * config/v850/constraints.md: New file.
211 * config/v850/v850.md: Include it.
212 * config/v850/predicates.md (reg_or_0_operand): Use
213 satisfies_constraint_G.
214 (special_symbolref_operand): Use satisfies_constraint_K.
215 * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
216 (GO_IF_LEGITIMATE_ADDRESS): Likewise.
217 (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
218 (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
219 (EXTRA_CONSTRAINT): Delete.
220 (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
221 (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
222 (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
224 2011-02-14 Anatoly Sokolov <aesok@post.ru>
227 * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
230 2011-02-14 Nathan Froyd <froydnj@codesourcery.com>
232 * config/mcore/constraints.md: New file.
233 * config/mcore/mcore.md: Include it.
234 * config/mcore/mcore.c (reg_class_from_letter): Delete.
235 * config/mcore/mcore.h (reg_class_from_letter): Delete.
236 (REG_CLASS_FROM_LETTER): Delete.
237 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
238 insn_const_int_ok_for_constraint.
239 (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
240 (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
241 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
242 (EXTRA_CONSTRAINT): Delete.
244 2011-02-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
247 * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
248 (IS_SIGHANDLER): Define.
249 (sparc64_is_sighandler): New function, split off from
250 sparc64_fallback_frame_state.
251 (sparc_is_sighandler): New function, split off from
252 sparc_fallback_frame_state.
253 (sparc64_fallback_frame_state): Merge with ...
254 (sparc_fallback_frame_state): ... this into ...
255 (MD_FALLBACK_FRAME_STATE_FOR): ... this.
256 Change new_cfa to long.
257 Remove regs_off, fpu_save_off, fpu_save.
258 Define nframes, mctx.
259 Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
262 2011-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
264 * go/gccgo.texi (Top, Import and Export): Fix a typo and a
267 2011-02-14 Andriy Gapon <avg@freebsd.org>
270 * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
272 2011-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
274 * configure: Regenerate.
276 2011-02-12 Joseph Myers <joseph@codesourcery.com>
279 * gcc.c (asm_options): Correct spec matching --target-help.
281 2011-02-12 Martin Jambor <mjambor@suse.cz>
283 * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
284 to gimple call error.
286 2011-02-12 Mike Stump <mikestump@comcast.net>
288 * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
289 comments in backslash regions.
291 2011-02-12 Mike Stump <mikestump@comcast.net>
292 Jakub Jelinek <jakub@redhat.com>
293 Iain Sandoe <iains@gcc.gnu.org>
296 * dwarf2out.c (output_cfa_loc): When required, apply the
297 DWARF2_FRAME_REG_OUT macro to adjust register numbers.
298 (output_loc_sequence): Likewise.
299 (output_loc_operands_raw): Likewise.
300 (output_loc_sequence_raw): Likewise.
301 (output_cfa_loc): Likewise.
302 (output_loc_list): Suppress register number adjustment when
303 calling output_loc_sequence()
304 (output_die): Likewise.
306 2011-02-12 Anatoly Sokolov <aesok@post.ru>
308 * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
310 * config/xtensa/xtensa.c (xtensa_register_move_cost,
311 xtensa_memory_move_cost): New functions.
312 (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
314 2011-02-12 Alexandre Oliva <aoliva@redhat.com>
317 * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
318 in the current directory.
319 * configure: Rebuilt.
321 2011-02-12 Iain Sandoe <iains@gcc.gnu.org>
323 * config/darwin.c (darwin_override_options): Add a hunk missed
324 from the commit of r168571. Trim comment line lengths and
325 correct indents of the preceding block.
327 2011-02-12 Iain Sandoe <iains@gcc.gnu.org>
329 * gcc.c (driver_handle_option): Concatenate the argument to -F with
332 2011-02-11 Joseph Myers <joseph@codesourcery.com>
334 * common.opt (nostartfiles): New Driver option.
336 2011-02-11 Xinliang David Li <davidxl@google.com>
338 PR tree-optimization/47707
339 * tree-chrec.c (convert_affine_scev): Keep type precision.
341 2011-02-11 Eric Botcazou <ebotcazou@adacore.com>
343 PR tree-optimization/47420
344 * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
346 2011-02-11 Pat Haugen <pthaugen@us.ibm.com>
348 PR rtl-optimization/47614
349 * rtl.h (check_for_inc_dec): Declare.
350 * dse.c (check_for_inc_dec): Externalize...
351 * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
352 (reload_cse_simplify_operands): Don't simplify opnds with side effects.
354 2011-02-11 Joseph Myers <joseph@codesourcery.com>
357 * gcc.c (main): Do not compile inputs if there were errors in
359 * opts-common.c (read_cmdline_option): Check for wrong language
360 after other error checks.
362 2011-02-11 Nathan Froyd <froydnj@codesourcery.com>
364 * cgraph.c: Fix comment typos.
365 * cgraph.h: Likewise.
366 * cgraphunit.c: Likewise.
367 * ipa-cp.c: Likewise.
368 * ipa-inline.c: Likewise.
369 * ipa-prop.c: Likewise.
370 * ipa-pure-const.c: Likewise.
371 * ipa-ref.c: Likewise.
372 * ipa-reference.c: Likewise.
374 2011-02-11 Jakub Jelinek <jakub@redhat.com>
377 * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
379 2011-02-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
382 * doc/sourcebuild.texi (Require Support): Document
383 dg-require-ascii-locale.
385 2011-02-11 Mingjie Xing <mingjie.xing@gmail.com>
387 * doc/lto.texi (Write summary): Fix missing parentheses.
389 2011-02-10 DJ Delorie <dj@redhat.com>
391 * config/m32c/m32c.c (m32c_option_override): Disable
392 -fcombine-stack-adjustments until flag value tracking and compare
393 optimization can be rewritten.
395 2011-02-10 Peter Bergner <bergner@vnet.ibm.com>
397 * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
399 (PROCESSOR_DEFAULT64): Likewise.
401 2011-02-10 Richard Henderson <rth@redhat.com>
403 * config/rx/predicates.md (rx_zs_comparison_operator): Revert
404 change from 2011-02-03.
405 * config/rx/rx.c (flags_from_code): Likewise.
406 (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
407 is valid, n/pz otherwise.
408 (rx_select_cc_mode): Return CCmode if Y is not zero.
410 2011-02-10 Richard Guenther <rguenther@suse.de>
412 * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
414 2011-02-10 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/47677
417 * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
419 2011-02-10 Jakub Jelinek <jakub@redhat.com>
422 * combine.c (make_compound_operation): Only change shifts into
423 multiplication for SCALAR_INT_MODE_P.
425 2011-02-10 Jie Zhang <jie@codesourcery.com>
429 2011-02-05 Jie Zhang <jie@codesourcery.com>
431 * web.c (entry_register): Don't clobber the number of the
432 first uninitialized reference in used[].
434 2011-02-09 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/47664
437 * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
440 2011-02-09 David Edelsohn <dje.gcc@gmail.com>
444 * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
446 (PROCESSOR_DEFAULT64): Same.
447 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
449 2011-02-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
451 * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
453 2011-02-09 Martin Jambor <mjambor@suse.cz>
456 * tree-sra.c (struct access): New flags grp_scalar_read and
457 grp_scalar_write. Changed description of assignment read and write
459 (dump_access): Dump new flags, reorder all of them.
460 (sort_and_splice_var_accesses): Set the new flag accordingly, use them
461 to detect multiple scalar reads.
462 (analyze_access_subtree): Use the new scalar read write flags instead
463 of the old flags. Adjusted comments.
465 2011-02-08 DJ Delorie <dj@redhat.com>
468 * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
471 2011-02-08 Joseph Myers <joseph@codesourcery.com>
473 * config/m68k/uclinux.opt: New.
474 * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
476 2011-02-08 Joseph Myers <joseph@codesourcery.com>
478 * config/cris/elf.opt (sim): New Driver option.
480 2011-02-08 Joseph Myers <joseph@codesourcery.com>
482 * config/xtensa/elf.opt: New.
483 * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
485 2011-02-08 Joseph Myers <joseph@codesourcery.com>
487 * config/vax/elf.opt: New.
488 * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
490 2011-02-08 Joseph Myers <joseph@codesourcery.com>
492 * config/rs6000/aix64.opt (posix, pthread): New Driver options.
494 2011-02-08 Joseph Myers <joseph@codesourcery.com>
496 * config/gnu-user.opt: New.
497 * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
498 *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
499 *-*-uclinux*): Use gnu-user.opt.
501 2011-02-08 Thomas Schwinge <thomas@schwinge.name>
503 * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
504 * config/i386/gnu.h (CPP_SPEC): Likewise.
506 2011-02-08 Ian Lance Taylor <iant@google.com>
508 * common.opt (fcx-limited-range): Add SetByCombined flag.
509 (ffinite-math-only, fmath-errno, frounding-math): Likewise.
510 (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
511 (fassociative-math, freciprocal-math): Likewise.
512 (funsafe-math-optimizations): Likewise.
513 * opth-gen.awk: Handle SetByCombined.
514 * optc-gen.awk: Likewise.
515 * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
516 (set_unsafe_math_optimizations_flags): Likewise.
517 * doc/options.texi (Option properties): Document SetByCombined.
519 2011-02-08 Joseph Myers <joseph@codesourcery.com>
521 * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
522 i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
523 m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
524 m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
525 sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
527 2011-02-08 Sebastian Pop <sebastian.pop@amd.com>
529 PR tree-optimization/46834
530 PR tree-optimization/46994
531 PR tree-optimization/46995
532 * graphite-sese-to-poly.c (used_outside_reduction): New.
533 (detect_commutative_reduction): Call used_outside_reduction.
534 (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
535 translate_scalar_reduction_to_array only when at least one
536 loop-phi/close-phi tuple has been detected.
538 2011-02-08 Richard Guenther <rguenther@suse.de>
541 * tree-vect-generic.c (expand_vector_operations_1): Update
543 (expand_vector_operations): ... not here. Cleanup EH info
544 and the CFG if required.
546 2011-02-08 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/47641
549 * tree-ssa.c (execute_update_addresses_taken): For asm outputs
550 require type compatibility.
552 2011-02-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
554 * gimple-low.c (lower_function_body): Don't remove the location of
555 the return statement here.
556 (lower_gimple_return): Do it here instead but only if the return
557 statement is actually used twice.
559 2011-02-08 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/47632
562 * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
563 unused up_to_stmt parameter, return whether cfg-cleanup is
564 necessary, remove EH info properly.
565 (forward_propagate_into_gimple_cond): Adjust caller.
566 (forward_propagate_into_cond): Likewise.
567 (forward_propagate_comparison): Likewise.
568 (tree_ssa_forward_propagate_single_use_vars): Make
569 forward_propagate_comparison case similar to the two others.
571 2011-02-08 Nick Clifton <nickc@redhat.com>
573 * config/mn10300/mn10300.opt (mliw): New command line option.
574 * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
575 (liw_bundling): New automaton.
576 (liw): New attribute.
577 (liw_op): New attribute.
578 (liw_op1, liw_op2, liw_both, liw_either): New reservations.
579 (movsi_internal): Add LIW attributes.
583 (addsi3): Separate register and immediate alternatives.
591 * config/mn10300/mn10300.c (liw_op_names): New
592 (mn10300_print_operand): Handle 'W' operand descriptor.
593 (extract_bundle): New function.
594 (check_liw_constraints): New function.
595 (liw_candidate): New function.
596 (mn10300_bundle_liw): New function.
597 (mn10300_reorg): New function.
598 (TARGET_MACHINE_DEPENDENT_REORG): Define.
599 (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
600 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
601 __LIW__ or __NO_LIW__.
602 * doc/invoke.texi: Describe the -mliw command line option.
604 2011-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
606 * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
607 * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
608 pthread_mutex_unlock): Remove.
609 * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
610 * config/pa/t-pa64: Likewise.
611 * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
612 shared libc if not linking against libpthread.
613 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
615 2011-02-07 Iain Sandoe <iains@gcc.gnu.org>
618 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
619 on 10.6 and later to ensure that we always use the unwinder from
620 the system. Only add -no_compact_unwind when tarteting darwin
623 2011-02-07 Steve Ellcey <sje@cup.hp.com>
626 * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
627 (vec_interleave_lowv2sf): Ditto.
628 (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
629 (vec_extract_oddv2sf): Ditto.
631 2011-02-07 Mike Stump <mikestump@comcast.net>
634 Add __ieee_divdc3 entry point.
635 * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
637 (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
638 * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
639 * config/darwin.c (darwin_rename_builtins): Add.
640 * config/darwin-protos.h (darwin_rename_builtins): Add.
642 2011-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
645 * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
648 2011-02-07 Mike Stump <mikestump@comcast.net>
650 * config/darwin.opt (mmacosx-version-min): Update default OS version.
652 2011-02-07 Denis Chertykov <chertykov@gmail.com>
655 * config/avr/libgcc.S (exit): Move .endfunc
657 2011-02-07 Richard Guenther <rguenther@suse.de>
659 PR tree-optimization/47615
660 * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
661 * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
662 (run_scc_vn): Initialize it.
663 (visit_reference_op_load): Use it.
664 * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
666 2011-02-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
668 * config/spu/spu.c (spu_init_libfuncs): Install SImode and
669 DImode trapping arithmetic libfuncs.
671 2011-02-07 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/47621
674 * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
676 (execute_update_addresses_taken): ... here. Make it more
677 conservative in what we accept.
679 2011-02-06 Joseph Myers <joseph@codesourcery.com>
681 * config/sparc/freebsd.h (ASM_SPEC): Define.
682 * config/sparc/vxworks.h (ASM_SPEC): Define.
684 2011-02-06 Joseph Myers <joseph@codesourcery.com>
686 * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
688 2011-02-06 Steven Bosscher <steven@gcc.gnu.org>
690 * doc/invoke.texi: Remove reference to compiler internals from
693 * reg-notes.def: Remove REG_VALUE_PROFILE.
694 * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
696 2011-02-05 Jakub Jelinek <jakub@redhat.com>
699 * varasm.c (default_section_type_flags): If decl is NULL,
700 and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
702 2011-02-05 Jie Zhang <jie@codesourcery.com>
705 * web.c (entry_register): Don't clobber the number of the
706 first uninitialized reference in used[].
708 2011-02-04 Sebastian Pop <sebastian.pop@amd.com>
710 PR tree-optimization/46194
711 * tree-data-ref.c (analyze_miv_subscript): Remove comment.
712 (build_classic_dist_vector_1): Do not represent classic distance
713 vectors when the access functions are variating in different loops.
715 2011-02-04 Joseph Myers <joseph@codesourcery.com>
717 * config/mips/iris6.opt: New.
718 * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
720 2011-02-04 Richard Henderson <rth@redhat.com>
721 Steve Ellcey <sje@cup.hp.com>
724 * config/ia64/predicates.md (mux1_brcst_element): New.
725 * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
726 * config/ia64/ia64.c (ia64_unpack_assemble): New.
727 (ia64_unpack_sign): New.
728 (ia64_expand_unpack): Rewrite using new routines.
729 (ia64_expand_widen_sum): Ditto.
730 (ia64_expand_dot_prod_v8qi): Ditto.
731 * config/ia64/vect.md (mulv8qi3): Rewrite to use new
732 routines, add endian check.
733 (pmpy2_even): Rename from pmpy2_r, add endian check.
734 (pmpy2_odd): Rename from pmpy2_l, add endian check.
735 (vec_widen_smult_lo_v4hi): Rewrite using new routines.
736 (vec_widen_smult_hi_v4hi): Ditto.
737 (vec_widen_umult_lo_v4hi): Ditto.
738 (vec_widen_umult_hi_v4hi): Ditto.
739 (mulv2si3): Change endian checks.
740 (sdot_prodv4hi): Rewrite with new calls.
741 (udot_prodv4hi): New.
742 (vec_pack_ssat_v4hi): Add endian check.
743 (vec_pack_usat_v4hi): Ditto.
744 (vec_pack_ssat_v2si): Ditto.
745 (max1_even): Rename from max1_r, add endian check.
746 (max1_odd): Rename from max1_l, add endian check.
747 (*mux1_rev): Format change.
751 (*mux1_brcst_v8qi): Use new predicate.
752 (vec_extract_evenv8qi): Remove endian check.
753 (vec_extract_oddv8qi): Ditto.
754 (vec_interleave_lowv4hi): Format change.
755 (vec_interleave_highv4hi): Ditto.
756 (mix2_even): Rename from mix2_r, add endian check.
757 (mix2_odd): Rename from mux2_l, add endian check.
758 (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
759 (vec_extract_evenodd_helper): Format change.
760 (vec_extract_evenv4hi): Remove endian check.
761 (vec_extract_oddv4hi): Remove endian check.
762 (vec_interleave_lowv2si): Format change.
763 (vec_interleave_highv2si): Format change.
764 (vec_initv2si): Remove endian check.
765 (vecinit_v2si): Add endian check.
766 (reduc_splus_v2sf): Add endian check.
767 (reduc_smax_v2sf): Ditto.
768 (reduc_smin_v2sf): Ditto.
769 (vec_initv2sf): Remove endian check.
770 (fpack): Add endian check.
771 (fswap): Add endian check.
772 (vec_interleave_highv2sf): Add endian check.
773 (vec_interleave_lowv2sf): Add endian check.
774 (fmix_lr): Add endian check.
775 (vec_setv2sf): Format change.
776 (*vec_extractv2sf_0_be): Use shift to extract operand.
777 (*vec_extractv2sf_1_be): New.
778 (vec_pack_trunc_v4hi): Add endian check.
779 (vec_pack_trunc_v2si): Format change.
781 2011-02-04 Jakub Jelinek <jakub@redhat.com>
784 * tree-ssa-ter.c (is_replaceable_p): Add TER argument. Don't
785 do bb, locus and block comparison and disallow loads if it is not set.
786 (stmt_is_replaceable_p): New function.
787 (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
789 * expr.c (expand_expr_real_1) <case SSA_NAME>: If
790 get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
792 * tree-flow.h (stmt_is_replaceable_p): New prototype.
794 2011-02-04 Joseph Myers <joseph@codesourcery.com>
796 * config/rs6000/xilinx.opt: New.
797 * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
799 2011-02-04 Joseph Myers <joseph@codesourcery.com>
801 * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
803 2011-02-03 Anatoly Sokolov <aesok@post.ru>
805 * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
806 PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
807 * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
808 secondary_reload_info, xtensa_secondary_reload): Remove.
809 * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
810 TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
811 (xtensa_preferred_reload_class): Make static. Change return and
812 'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
813 Use CONST_DOUBLE_P predicate.
814 (xtensa_preferred_output_reload_class): New function.
815 (xtensa_secondary_reload): Make static.
817 2011-02-03 Joseph Myers <joseph@codesourcery.com>
819 * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
820 Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
821 Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
823 2011-02-03 Jakub Jelinek <jakub@redhat.com>
826 * output.h (SECTION_RELRO): Define.
827 (SECTION_MACH_DEP): Adjust.
828 (get_variable_section): New prototype.
829 * varpool.c (varpool_finalize_named_section_flags): New function.
830 (varpool_assemble_pending_decls): Call it.
831 * cgraph.h (varpool_finalize_named_section_flags): New prototype.
832 * cgraphunit.c (cgraph_output_in_order): Call
833 varpool_finalize_named_section_flags.
834 * varasm.c (get_section): Allow section flags conflicts between
835 relro and read-only sections if the section hasn't been declared yet.
836 Set SECTION_OVERRIDE after diagnosing section type conflict.
837 (get_variable_section): No longer static.
838 (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
839 readonly sections that need relocations.
840 (decl_readonly_section_1): New function.
841 (decl_readonly_section): Use it.
844 2010-11-17 Dinar Temirbulatov <dtemirbulatov@gmail.com>
845 Steve Ellcey <sje@cup.hp.com>
848 * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
849 if section attribute used.
851 2011-02-03 Jakub Jelinek <jakub@redhat.com>
853 * config/darwin.h (SECTION_NO_ANCHOR): Remove.
854 * config/darwin.c (SECTION_NO_ANCHOR): Define.
855 (darwin_init_sections): Remove assertion.
857 2011-02-03 Nick Clifton <nickc@redhat.com>
859 * config/rx/predicates.md (rx_zs_comparison_operator): Remove
861 * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
862 * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
863 instead of "n" and "pz".
864 (flags_from_code): LT and GE tests need CC_FLAG_O as well as
867 2011-02-03 Jakub Jelinek <jakub@redhat.com>
870 * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
871 fma, expand FMA_EXPR as fma{,f,l} call.
874 * lto-streamer-out.c (write_symbol): When writing kind and visibility,
875 copy them into a unsigned char variable and pass address of it to
876 lto_output_data_stream.
879 * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
880 around backend_init_target and lang_dependent_init_target calls.
881 * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
882 (verify_cgraph_node): Don't call set_cfun here. Use
883 cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
884 Set error_found for incorrectly represented calls to thunks.
886 2011-02-03 Alexandre Oliva <aoliva@redhat.com>
889 PR rtl-optimization/43494
890 * rtl.h (for_each_inc_dec_fn): New type.
891 (for_each_inc_dec): Declare.
892 * rtlanal.c (struct for_each_inc_dec_ops): New type.
893 (for_each_inc_dec_find_inc_dec): New fn.
894 (for_each_inc_dec_find_mem): New fn.
895 (for_each_inc_dec): New fn.
896 * dse.c (struct insn_size): Remove.
897 (replace_inc_dec, replace_inc_dec_mem): Remove.
898 (emit_inc_dec_insn_before): New fn.
899 (check_for_inc_dec): Use it, along with for_each_inc_dec.
900 (canon_address): Pass mem modes to cselib_lookup.
901 * cselib.h (cselib_lookup): Add memmode argument. Adjust callers.
902 (cselib_lookup_from_insn): Likewise.
903 (cselib_subst_to_values): Likewise.
904 * cselib.c (find_slot_memmode): New var.
905 (cselib_find_slot): New fn. Use it instead of
906 htab_find_slot_with_hash everywhere.
907 (entry_and_rtx_equal_p): Use find_slot_memmode.
908 (autoinc_split): New fn.
909 (rtx_equal_for_cselib_p): Rename and implement in terms of...
910 (rtx_equal_for_cselib_1): ... this. Take memmode, pass it on.
911 Deal with autoinc. Special-case recursion into MEMs.
912 (cselib_hash_rtx): Likewise.
913 (cselib_lookup_mem): Infer pmode from address mode. Distinguish
914 address and MEM modes.
915 (cselib_subst_to_values): Add memmode, pass it on.
917 (cselib_lookup): Add memmode argument, pass it on.
918 (cselib_lookup_from_insn): Add memmode.
919 (cselib_invalidate_rtx): Discard obsolete push_operand handling.
920 (struct cselib_record_autoinc_data): New.
921 (cselib_record_autoinc_cb): New fn.
922 (cselib_record_sets): Use it, along with for_each_inc_dec. Pass MEM
923 mode to cselib_lookup. Reset autoinced REGs here instead of...
924 (cselib_process_insn): ... here.
925 * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
927 (add_uses): Likewise, also to cselib_subst_to_values.
928 (add_stores): Likewise.
929 * sched-deps.c (add_insn_mem_dependence): Pass mode to
930 cselib_subst_to_values.
931 (sched_analyze_1, sched_analyze_2): Likewise. Adjusted.
932 * gcse.c (do_local_cprop): Adjusted.
933 * postreload.c (reload_cse_simplify_set): Adjusted.
934 (reload_cse_simplify_operands): Adjusted.
935 * sel-sched-dump (debug_mem_addr_value): Pass mode.
937 2011-02-03 Alexandre Oliva <aoliva@redhat.com>
939 PR tree-optimization/45122
940 * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
941 unsafe assumptions when there's more than one loop exit.
943 2011-02-02 Michael Meissner <meissner@linux.vnet.ibm.com>
946 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
947 Document using vector double with the load/store builtins, and
948 that the load/store builtins always use Altivec instructions.
950 * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
951 to use altivec memory instructions, even on VSX.
952 (vector_altivec_store_<mode>): Ditto.
954 * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
957 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
958 V2DF, V2DI support to load/store overloaded builtins.
960 * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
961 altivec load/store builtins for V2DF/V2DI types.
963 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
964 set avoid indexed addresses on power6 if -maltivec.
965 (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
966 vector_altivec_load/vector_altivec_store builtins.
967 (altivec_expand_st_builtin): Ditto.
968 (altivec_expand_builtin): Add VSX memory builtins.
969 (rs6000_init_builtins): Add V2DI types to internal types.
970 (altivec_init_builtins): Add support for V2DF/V2DI altivec
972 (rs6000_address_for_altivec): Insure memory address is appropriate
975 * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
976 vec_vsx_ld and vec_vsx_st.
977 (vsx_store_<mode>): Ditto.
979 * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
980 variables to hold long long types for VSX vector memory builtins.
981 (RS6000_BTI_unsigned_long_long): Ditto.
982 (long_long_integer_type_internal_node): Ditti.
983 (long_long_unsigned_type_internal_node): Ditti.
985 * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
986 (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
987 (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
989 * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
993 2011-02-02 Joseph Myers <joseph@codesourcery.com>
995 * config/pa/pa-hpux10.opt: New.
996 * config/hpux11.opt (pthread): New Driver option.
997 * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
998 * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1000 2011-02-02 Joseph Myers <joseph@codesourcery.com>
1002 * config/ia64/vms.opt: New.
1003 * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1005 2011-02-01 Michael Meissner <meissner@linux.vnet.ibm.com>
1008 * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1009 gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1010 generator functions.
1011 (vsx_floatuns<VSi><mode>2): Ditto.
1012 (vsx_fix_trunc<mode><VSi>2): Ditto.
1013 (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1015 2011-02-02 Joseph Myers <joseph@codesourcery.com>
1017 * config/i386/djgpp.opt (posix): New Driver option.
1019 2011-02-02 Gerald Pfeifer <gerald@pfeifer.com>
1021 * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1022 Move to the unsupported targets list.
1024 2011-02-02 Peter Bergner <bergner@vnet.ibm.com>
1026 PR rtl-optimization/47525
1027 * df-scan.c: Update copyright years.
1028 (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1029 and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1031 2011-02-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1033 * config/i386/sysv4.h (TARGET_VERSION): Remove.
1034 (SUBTARGET_RETURN_IN_MEMORY): Remove.
1035 (ASM_OUTPUT_ASCII): Remove.
1036 * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1038 2011-02-02 Jeff Law <law@redhat.com>
1041 * reload.c (find_reloads_address): Handle reg+d address where both
1042 components are invalid by reloading the entire address.
1044 2011-02-02 Sebastian Pop <sebastian.pop@amd.com>
1045 Richard Guenther <rguenther@suse.de>
1047 PR tree-optimization/40979
1049 * passes.c (init_optimization_passes): After LIM call copy_prop
1050 and DCE to clean up.
1051 * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1053 2011-02-02 Sebastian Pop <sebastian.pop@amd.com>
1055 PR tree-optimization/47576
1056 PR tree-optimization/47555
1057 * doc/invoke.texi (scev-max-expr-complexity): Documented.
1058 * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1059 (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1060 * tree-scalar-evolution.c (follow_ssa_edge): Use
1061 PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1063 2011-02-02 Richard Guenther <rguenther@suse.de>
1065 PR tree-optimization/47566
1066 * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1068 2011-02-02 Alexandre Oliva <aoliva@redhat.com>
1072 * tree-inline.c (declare_return_variable): Remove unused caller
1077 * tree-flow-inline.h (clear_is_used, is_used_p): New.
1078 * cfgexpand.c (account_used_vars_for_block): Use them.
1079 * tree-nrv.c (tree_nrv): Likewise.
1080 * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1081 (dump_scope_block): Likewise.
1082 (remove_unused_locals): Likewise.
1086 * tree-inline.c (declare_return_variable): Add result decl to
1087 local decls only once.
1088 * gimple-low.c (record_vars_into): Mark newly-created variables
1091 2011-02-02 Alexandre Oliva <aoliva@redhat.com>
1097 * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1099 (no_real_insns_p, schedule_block, set_priorities): Drop special
1100 treatment of boundary debug insns.
1101 * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1102 * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1103 * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1104 (BOUNDARY_DEBUG_INSN_P): Likewise.
1105 (SCHEDULE_DEBUG_INSN_P): Likewise.
1106 * sched-rgn.c (init_ready_list): Drop special treatment of
1107 boundary debug insns.
1108 * final.c (rest_of_clean_state): Clear notes' BB.
1110 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1112 * config/openbsd.opt (assert=): New Driver option.
1114 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1116 * config/i386/nto.opt: New.
1117 * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1119 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1121 * config/i386/netware.opt: New.
1122 * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1124 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1126 * config/interix.opt (posix): New Driver option.
1128 2011-02-01 DJ Delorie <dj@redhat.com>
1130 * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1132 * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1135 2011-02-01 Sebastian Pop <sebastian.pop@amd.com>
1137 PR tree-optimization/47561
1138 * toplev.c (process_options): Print the Graphite flags. Add
1139 flag_loop_flatten to the list of options requiring Graphite.
1141 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1143 * config/i386/cygming.opt (posix): New Driver option.
1145 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1147 * config/arm/vxworks.opt: New.
1148 * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1150 2011-02-01 Joseph Myers <joseph@codesourcery.com>
1152 * config/alpha/elf.opt: New.
1153 * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1154 alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1156 2011-02-01 Richard Guenther <rguenther@suse.de>
1158 PR tree-optimization/47559
1159 * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1160 store-motion on references that can throw.
1162 2011-02-01 Bernd Schmidt <bernds@codesourcery.com>
1164 * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1165 * tree-pass.h (TDF_CSELIB): New macro.
1166 * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1167 cselib_lookup): Check for it rather than for TDF_DETAILS.
1169 2011-02-01 H.J. Lu <hongjiu.lu@intel.com>
1172 * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1175 * opts.c (finish_options): Don't add x_aux_base_name if it is
1178 2011-02-01 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/47555
1182 2010-07-15 Sebastian Pop <sebastian.pop@amd.com>
1184 * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1186 2011-02-01 Sebastien Bourdeauducq <sebastien@milkymist.org>
1189 * config/lm32/t-lm32: Add multilib for all CPU options.
1191 2011-02-01 Richard Guenther <rguenther@suse.de>
1193 PR tree-optimization/47541
1194 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1195 sure to have a field at offset zero.
1197 2011-01-31 Joseph Myers <joseph@codesourcery.com>
1199 * config/arc/arc.opt (EB, EL): New Driver options.
1201 2011-01-31 Joseph Myers <joseph@codesourcery.com>
1203 * config/alpha/osf5.opt: New.
1204 * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1206 2011-01-31 Joseph Myers <joseph@codesourcery.com>
1208 * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1210 2011-01-31 Sebastian Pop <sebastian.pop@amd.com>
1212 * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1214 * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1215 is an alias of -floop-interchange and that it requires the
1216 Graphite infrastructure.
1217 * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1218 flag_loop_interchange based on the value of flag_tree_loop_linear.
1220 2011-01-31 Jakub Jelinek <jakub@redhat.com>
1221 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/47538
1224 * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1225 type instead of r1type, except for comparisons. For right
1226 shifts and comparisons punt if there are mismatches in
1227 sizetype vs. non-sizetype types.
1229 2011-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1231 * doc/sourcebuild.texi (Effective-Target Keywords): Document
1234 2011-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1236 * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1238 * configure: Regenerate.
1240 2011-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1242 * configure.ac (gcc_cv_ld_static_option): Define.
1243 (gcc_cv_ld_dynamic_option): Define.
1244 (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1246 (HAVE_LD_STATIC_DYNAMIC): Update message.
1247 (LD_STATIC_OPTION): Define.
1248 (LD_DYNAMIC_OPTION): Define.
1249 * configure: Regenerate.
1250 * config.in: Regenerate.
1251 * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1252 HAVE_LD_STATIC_DYNAMIC]: Use them.
1254 2011-01-31 Nick Clifton <nickc@redhat.com>
1256 * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1257 registers inside interrupt handlers if the handler is not a leaf
1260 2011-01-31 Nick Clifton <nickc@redhat.com>
1262 * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1263 reg_renumber returning an INVALID_REGNUM.
1265 2011-01-31 Alexandre Oliva <aoliva@redhat.com>
1268 * doc/install.texi: Document host options discarded when cross
1269 configuring target libraries.
1271 2011-01-31 Alexandre Oliva <aoliva@redhat.com>
1274 2011-01-25 Alexandre Oliva <aoliva@redhat.com>
1277 * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1279 (no_real_insns_p, schedule_block, set_priorities): Drop special
1280 treatment of boundary debug insns.
1281 * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1282 * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1283 * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1284 (BOUNDARY_DEBUG_INSN_P): Likewise.
1285 (SCHEDULE_DEBUG_INSN_P): Likewise.
1286 * sched-rgn.c (init_ready_list): Drop special treatment of
1287 boundary debug insns.
1288 * final.c (rest_of_clean-state): Clear notes' BB.
1290 2011-01-31 Alan Modra <amodra@gmail.com>
1292 * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1293 toc relative expressions as we do in print_operand_address.
1295 2011-01-30 Kazu Hirata <kazu@codesourcery.com>
1297 * doc/extend.texi: Follow spelling conventions.
1298 * doc/invoke.texi: Fix a typo.
1300 2011-01-30 Joseph Myers <joseph@codesourcery.com>
1302 * config/hpux11.opt: New.
1303 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1304 ia64*-*-hpux*): Use hpux11.opt.
1306 2011-01-30 Jonathan Yong <jon_y@users.sourceforge.net>
1308 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1311 2011-01-30 Gerald Pfeifer <gerald@pfeifer.com>
1313 * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1316 2011-01-30 Gerald Pfeifer <gerald@pfeifer.com>
1318 * doc/install.texi (Binaries): Remove outdated reference for
1319 Motorola 68HC11/68HC12 downloads.
1321 2011-01-30 Gerald Pfeifer <gerald@pfeifer.com>
1323 * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1326 2011-01-29 Jonathan Wakely <jwakely.gcc@gmail.com>
1329 * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1332 2011-01-28 Ahmad Sharif <asharif@google.com>
1334 * value-prof.c (check_counter): Corrected error message.
1336 2011-01-29 Jie Zhang <jie@codesourcery.com>
1338 * config/arm/arm.c (arm_legitimize_reload_address): New.
1339 * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1340 arm_legitimize_reload_address.
1341 * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1343 2011-01-28 Ian Lance Taylor <iant@google.com>
1345 * godump.c (go_define): Ignore macros whose definitions include
1346 two adjacent operands.
1348 2011-01-28 Jakub Jelinek <jakub@redhat.com>
1351 * varasm.c (force_const_mem): Store copy of x in desc->constant
1352 instead of x itself.
1353 * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1354 itself into REG_EQUAL note.
1356 2011-01-28 Joseph Myers <joseph@codesourcery.com>
1358 * config/freebsd.opt (posix, rdynamic): New Driver options.
1360 2011-01-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1362 * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1364 * configure: Regenerate.
1366 2011-01-27 Joseph Myers <joseph@codesourcery.com>
1368 * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1369 * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1371 2011-01-27 Anatoly Sokolov <aesok@post.ru>
1373 * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1374 * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1375 * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1376 (s390_preferred_reload_class): Make static. Change return and
1377 'rclass' argument type to reg_class_t.
1379 2011-01-27 Jan Hubicka <jh@suse.cz>
1382 * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1383 (process_function_and_variable_attributes): Check defined weakrefs.
1385 2011-01-27 Martin Jambor <mjambor@suse.cz>
1387 PR tree-optimization/47228
1388 * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1389 build_ref_for_offset.
1391 2011-01-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1393 * config/spu/spu-elf.h (ASM_SPEC): Remove.
1395 2011-01-26 Mikael Pettersson <mikpe@it.uu.se>
1397 PR rtl-optimization/46856
1398 * postreload.c (reload_combine_recognize_const_pattern): Do not
1399 separate cc0 setter and user on cc0 targets.
1401 2011-01-26 Nicola Pero <nicola.pero@meta-innovation.com>
1404 * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1405 passed a VOID_TYPE expression, immediately emit an error and
1406 return error_mark_node.
1408 2011-01-26 Jeff Law <law@redhat.com>
1410 PR rtl-optimization/47464
1411 * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1412 rather than may_trap_p as needed.
1414 2011-01-26 DJ Delorie <dj@redhat.com>
1416 PR rtl-optimization/46878
1417 * combine.c (insn_a_feeds_b): Check for the implicit cc0
1418 setter/user dependency as well.
1420 2011-01-26 Eric Botcazou <ebotcazou@adacore.com>
1422 PR rtl-optimization/44469
1423 * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1424 after removing trivially dead basic blocks.
1426 2011-01-26 Joseph Myers <joseph@codesourcery.com>
1428 * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1429 * config/frv/frv.h (LINK_SPEC): Likewise.
1430 * config/i386/netware.h (LINK_SPEC): Likewise.
1431 * config/m68k/linux.h (ASM_SPEC): Likewise.
1432 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1433 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1434 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1435 * config/sparc/linux.h (ASM_SPEC): Likewise.
1436 * config/sparc/linux64.h (ASM_SPEC): Likewise.
1437 * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1439 2011-01-26 Joseph Myers <joseph@codesourcery.com>
1441 * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1442 * config/frv/frv.h (ASM_SPEC): Likewise.
1443 * config/m68k/linux.h (ASM_SPEC): Likewise.
1444 * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1445 * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1446 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1447 * config/sparc/linux.h (ASM_SPEC): Likewise.
1448 * config/sparc/linux64.h (ASM_SPEC): Likewise.
1449 * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1451 2011-01-26 Joseph Myers <joseph@codesourcery.com>
1453 * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1454 * config/frv/frv.h (LINK_SPEC): Likewise.
1455 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1457 2011-01-26 Joseph Myers <joseph@codesourcery.com>
1459 * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1460 * config/frv/frv.h (ASM_SPEC): Likewise.
1461 * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1462 * config/m68k/linux.h (ASM_SPEC): Likewise.
1463 * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1464 * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1465 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1466 * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1467 * config/sparc/linux.h (ASM_SPEC): Likewise.
1468 * config/sparc/linux64.h (ASM_SPEC): Likewise.
1469 * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1470 * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1472 2011-01-26 Steve Ellcey <sje@cup.hp.com>
1475 * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1477 (vec_extract_evenodd_help): Ditto.
1478 (vec_extract_evenv4hi): Ditto.
1479 (vec_extract_oddv4hi): Ditto.
1480 (vec_interleave_lowv2si): Ditto.
1481 (vec_interleave_highv2si): Ditto.
1482 (vec_extract_evenv2si): Ditto.
1483 (vec_extract_oddv2si: Ditto.
1484 (vec_pack_trunc_v2si): Ditto.
1486 2011-01-22 Jan Hubicka <jh@suse.cz>
1489 * cgraph.h (cgraph_local_info): New field can_change_signature.
1490 * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1491 signature can change.
1492 (ipcp_estimate_growth): Call sequence simplify only if calle signature
1494 (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1495 (cgraph_function_versioning): We can not change signature of functions
1496 that don't allow that.
1497 * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1498 (lto_input_node): Likewise.
1499 * ipa-inline.c (compute_inline_parameters): Compute
1500 local.can_change_signature.
1501 * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1502 * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1503 functions that can not change signature.
1504 * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1505 init_cumulative_args): Do not use local calling conventions
1506 for functions that can not change signature.
1508 2011-01-22 Jan Hubicka <jh@suse.cz>
1510 * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1512 2011-01-26 Richard Guenther <rguenther@suse.de>
1514 PR tree-optimization/47190
1515 * cgraphunit.c (process_common_attributes): New function.
1516 (process_function_and_variable_attributes): Use it.
1518 2011-01-26 Richard Guenther <rguenther@suse.de>
1521 * cgraphbuild.c (record_eh_tables): Record reference to personality
1524 2011-01-26 Alexandre Oliva <aoliva@redhat.com>
1527 * sel-sched.c (moveup_expr): Don't let debug insns prevent
1528 non-debug insns from moving up.
1530 2011-01-26 Dave Korn <dave.korn.cygwin@gmail.com>
1533 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1534 t-dlldir{,-x} fragment for build and add it to tmake_file.
1535 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1536 * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1537 * config/i386/t-dlldir: New file.
1538 (SHLIB_DLLDIR): Define.
1539 * config/i386/t-dlldir-x: New file.
1540 (SHLIB_DLLDIR): Define.
1541 * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1542 (SHLIB_INSTALL): Use it.
1544 2011-01-26 Chung-Lin Tang <cltang@codesourcery.com>
1547 * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1548 lower bound of the allowed Thumb-2 coprocessor load/store
1549 index range to -256. Add explaining comment.
1551 2011-01-25 Ian Lance Taylor <iant@google.com>
1553 * godump.c (go_define): Improve lexing of macro expansion to only
1554 accept expressions which match Go spec.
1556 2011-01-26 Dave Korn <dave.korn.cygwin@gmail.com>
1559 * tree.c (handle_dll_attribute): Handle it.
1560 * doc/extend.texi (@item dllexport): Mention it.
1561 * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1563 2011-01-25 Ian Lance Taylor <iant@google.com>
1565 PR tree-optimization/26854
1566 * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1567 (decl_jump_unsafe): Move higher in file, with no other change.
1568 (bind): Set has_jump_unsafe_decl if appropriate.
1569 (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1570 (check_earlier_gotos): Likewise.
1571 (c_check_switch_jump_warnings): Likewise.
1573 2011-01-25 Jonathan Wakely <jwakely.gcc@gmail.com>
1575 * doc/invoke.texi (Warning Options): Add missing hyphen.
1576 (-fprofile-dir): Minor grammatical fixes.
1577 (-fbranch-probabilities): Likewise.
1579 2011-01-25 Alexandre Oliva <aoliva@redhat.com>
1583 * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1585 (no_real_insns_p, schedule_block, set_priorities): Drop special
1586 treatment of boundary debug insns.
1587 * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1588 * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1589 * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1590 (BOUNDARY_DEBUG_INSN_P): Likewise.
1591 (SCHEDULE_DEBUG_INSN_P): Likewise.
1592 * sched-rgn.c (init_ready_list): Drop special treatment of
1593 boundary debug insns.
1594 * final.c (rest_of_clean-state): Clear notes' BB.
1596 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1598 * Makefile.in (LAMBDA_H): Removed.
1599 (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1600 (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1601 lambda-trans.o, and tree-loop-linear.o.
1602 (lto-symtab.o): Remove dependence on LAMBDA_H.
1603 (tree-loop-linear.o): Remove rule.
1604 (lambda-mat.o): Same.
1605 (lambda-trans.o): Same.
1606 (lambda-code.o): Same.
1607 (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1608 (tree-vect-slp.o): Same.
1609 * hwint.h (gcd): Moved here.
1610 (least_common_multiple): Same.
1611 * lambda-code.c: Removed.
1612 * lambda-mat.c: Removed.
1613 * lambda-trans.c: Removed.
1614 * lambda.h: Removed.
1615 * tree-loop-linear.c: Removed.
1616 * lto-symtab.c: Do not include lambda.h.
1617 * omega.c (gcd): Removed.
1618 * passes.c (init_optimization_passes): Remove pass_linear_transform.
1619 * tree-data-ref.c (print_lambda_vector): Moved here.
1620 (lambda_vector_copy): Same.
1621 (lambda_matrix_copy): Same.
1622 (lambda_matrix_id): Same.
1623 (lambda_vector_first_nz): Same.
1624 (lambda_matrix_row_add): Same.
1625 (lambda_matrix_row_exchange): Same.
1626 (lambda_vector_mult_const): Same.
1627 (lambda_vector_negate): Same.
1628 (lambda_matrix_row_negate): Same.
1629 (lambda_vector_equal): Same.
1630 (lambda_matrix_right_hermite): Same.
1631 * tree-data-ref.h: Do not include lambda.h.
1632 (lambda_vector): Moved here.
1633 (lambda_matrix): Same.
1634 (dependence_level): Same.
1635 (lambda_transform_legal_p): Removed declaration.
1636 (lambda_collect_parameters): Same.
1637 (lambda_compute_access_matrices): Same.
1638 (lambda_vector_gcd): Same.
1639 (lambda_vector_new): Same.
1640 (lambda_vector_clear): Same.
1641 (lambda_vector_lexico_pos): Same.
1642 (lambda_vector_zerop): Same.
1643 (lambda_matrix_new): Same.
1644 * tree-flow.h (least_common_multiple): Removed declaration.
1645 * tree-parloops.c (lambda_trans_matrix): Moved here.
1647 (LTM_ROWSIZE): Same.
1648 (LTM_COLSIZE): Same.
1649 (LTM_DENOMINATOR): Same.
1650 (lambda_trans_matrix_new): Same.
1651 (lambda_matrix_vector_mult): Same.
1652 (lambda_transform_legal_p): Same.
1653 * tree-pass.h (pass_linear_transform): Removed declaration.
1654 * tree-ssa-loop.c (tree_linear_transform): Removed.
1655 (gate_tree_linear_transform): Removed.
1656 (pass_linear_transform): Removed.
1657 (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1658 flag_loop_interchange.
1660 2011-01-25 Jakub Jelinek <jakub@redhat.com>
1662 PR tree-optimization/47265
1663 PR tree-optimization/47443
1664 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1665 if name still has some uses.
1667 2011-01-25 Martin Jambor <mjambor@suse.cz>
1669 PR tree-optimization/47382
1670 * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1671 (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1673 2011-01-25 Joel Sherrill <joel.sherrill@oarcorp.com>
1675 * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1676 sjlj_except_unwind_info.
1678 2011-01-25 Richard Guenther <rguenther@suse.de>
1680 PR tree-optimization/47426
1681 * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1682 visible functions results escape.
1684 2011-01-25 Jakub Jelinek <jakub@redhat.com>
1687 * config/arm/arm.c (any_sibcall_uses_r3): New function.
1688 (arm_get_frame_offsets): Use it.
1690 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1691 Jakub Jelinek <jakub@redhat.com>
1693 PR tree-optimization/47271
1694 * tree-if-conv.c (bb_postdominates_preds): New.
1695 (if_convertible_bb_p): Call bb_postdominates_preds.
1696 (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1697 (predicate_scalar_phi): Call bb_postdominates_preds.
1699 2011-01-25 Nick Clifton <nickc@redhat.com>
1701 * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1702 * config/rx/rx.c (rx_function_value): Likewise.
1703 (rx_promote_function_mode): Likewise.
1704 (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1705 in order to make it legitimate.
1706 * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1707 make sure that the first operand is the same as the result register.
1708 (addsi3_unspec): Delete.
1709 (subdi3): Do not accept immediate operands.
1710 (subdi3_internal): Likewise.
1712 2011-01-25 Jeff Law <law@redhat.com>
1714 PR rtl-optimization/37273
1715 * ira-costs.c (scan_one_insn): Detect constants living in memory and
1716 handle them like argument loads from stack slots. Do not double
1717 count memory for memory constants and argument loads from stack slots.
1719 2011-01-25 Jakub Jelinek <jakub@redhat.com>
1721 PR tree-optimization/47427
1722 PR tree-optimization/47428
1723 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1724 coalesce if the new root var would be TREE_READONLY.
1726 2011-01-25 Richard Guenther <rguenther@suse.de>
1729 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1730 correct type for TBAA.
1732 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1734 * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1735 (close_phi_written_to_memory): Call for_each_index with
1736 dr_indices_valid_in_loop.
1738 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1740 * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1741 when it is initialized.
1743 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1745 * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1746 call to graphite_find_data_references_in_stmt.
1747 * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1748 (try_generate_gimple_bb): Call outermost_loop_in_sese_1. Update
1749 call to graphite_find_data_references_in_stmt.
1750 (analyze_drs_in_stmts): Same.
1751 * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1752 in which the scalar analysis of indices is performed.
1753 (create_data_ref): Same. Update call to dr_analyze_indices.
1754 (find_data_references_in_stmt): Update call to create_data_ref.
1755 (graphite_find_data_references_in_stmt): Same.
1756 * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1758 (create_data_ref): Same.
1759 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1760 call to create_data_ref.
1762 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1764 * graphite-sese-to-poly.c (build_poly_scop): Move
1765 rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1767 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1769 * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1770 VAR_DECL, PARM_DECL, and RESULT_DECL.
1772 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1774 * graphite-dependences.c (reduction_dr_1): Allow several reductions
1776 * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1777 that have already been marked as PBB_IS_REDUCTION.
1779 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1781 * graphite-scop-detection.c (same_close_phi_node): New.
1782 (remove_duplicate_close_phi): New.
1783 (make_close_phi_nodes_unique): New.
1784 (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1786 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1788 * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1789 * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1790 of both data references to be the same.
1792 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1794 * graphite-dependences.c (build_lexicographical_constraint): Remove
1796 (build_lexicographical_constraint): Adjust call to
1797 ppl_powerset_is_empty.
1798 (dependence_polyhedron): Same.
1799 (graphite_legal_transform_dr): Same.
1800 (graphite_carried_dependence_level_k): Same.
1801 * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1803 * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1805 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1807 * graphite-sese-to-poly.c
1808 (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1809 (close_phi_written_to_memory): New.
1810 (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1813 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1815 * doc/install.texi: Update the expected version number of PPL to 0.11.
1816 * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1817 #if PPL_VERSION_MINOR < 11.
1819 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1821 * graphite-dependences.c: Include graphite-cloog-util.h.
1822 (new_poly_ddr): Inlined into dependence_polyhedron.
1823 (free_poly_ddr): Moved close by new_poly_ddr.
1824 (dependence_polyhedron_1): Renamed dependence_polyhedron.
1825 Early return NULL when ppl_powerset_is_empty returns true.
1826 (dependence_polyhedron): Renamed new_poly_ddr. Call only once
1827 poly_drs_may_alias_p. Avoid one call to ppl_powerset_is_empty.
1828 (graphite_legal_transform_dr): Call new_poly_ddr.
1829 (graphite_carried_dependence_level_k): Same.
1830 (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2. Use new_poly_ddr.
1831 (dot_transformed_deps_stmt_1): Removed.
1832 (dot_deps_stmt_1): Call dot_deps_stmt_2.
1833 (dot_original_deps): Renamed dot_deps_2. Call new_poly_ddr.
1834 (dot_deps_1): Call dot_deps_2.
1835 * Makefile.in (graphite-dependences.o): Add missing dependence on
1836 graphite-cloog-util.h.
1838 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1840 * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1841 (build_lexicographical_constraint): Same.
1842 (dependence_polyhedron_1): Same.
1843 (graphite_legal_transform_dr): Same.
1844 (graphite_carried_dependence_level_k): Same.
1845 * graphite-ppl.c (ppl_powerset_is_empty): New.
1846 * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1847 * tree-data-ref.c (dump_data_reference): Print the basic block index.
1849 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1851 * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1852 the "a followed by b" relation and document it.
1854 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1856 * graphite-dependences.c (build_lexicographical_constraint): Stop the
1857 iteration when the bag of constraints is empty.
1859 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1861 * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1863 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1865 * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1866 nest and two loop depths as parameters.
1867 (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1868 lst_perfect_nestify.
1870 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1872 * graphite-dependences.c (print_pddr): Call
1873 ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1875 2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
1877 * graphite-ppl.c (debug_gmp_value): New.
1878 * graphite-ppl.h (debug_gmp_value): Declared.
1880 2011-01-25 Tobias Grosser <grosser@fim.uni-passau.de>
1882 * doc/install.texi: Document availability of cloog-0.16.
1884 2011-01-25 Vladimir Kargov <kargov@gmail.com>
1886 * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1887 invalid postdominance info.
1889 2011-01-24 Jan Hubicka <jh@suse.cz>
1892 * doc/extend.texi (weak pragma): Drop claim that it must
1893 appear before definition.
1894 * varasm.c (merge_weak, declare_weak): Only sanity check
1895 that DECL is not output at a time it is declared weak.
1897 2011-01-24 Kenneth Zadeck <zadeck@naturalbridge.com>
1899 * machmode.def: Fixed comments.
1901 2011-01-24 Kai Tietz <kai.tietz@onevision.com>
1903 * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1905 2011-01-24 Paul Koning <ni1d@arrl.net>
1907 * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1910 2011-01-24 H.J. Lu <hongjiu.lu@intel.com>
1913 * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1914 (block_info): Add scanned and prev.
1915 (move_or_delete_vzeroupper_2): Return if the basic block
1916 has been scanned and the upper 128bit state is unchanged
1918 (move_or_delete_vzeroupper_1): Return true if the exit
1920 (move_or_delete_vzeroupper): Visit basic blocks using the
1921 work-list based algorithm based on vt_find_locations in
1924 * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1926 2011-01-24 Nick Clifton <nickc@redhat.com>
1928 * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1929 * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1930 -mv850e1 to the assembler. If -mv850e1 or -mv850es is specified
1931 then define __v850e1__.
1932 * doc/invoke.texi: Document -mv850es.
1934 2011-01-24 Richard Henderson <rth@redhat.com>
1936 * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1937 compound unordered comparisons.
1938 * config/rx/rx.c (rx_split_fp_compare): Remove.
1939 * config/rx/rx-protos.h: Update.
1940 * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1941 (cbranchsf4): Don't call rx_split_fp_compare.
1942 (*cbranchsf4): Use rx_split_cbranch.
1943 (*cmpsf): Don't accept "i" constraint.
1944 (*conditional_branch): Only valid after reload.
1945 (cstoresf4): Merge expander with insn. Don't call rx_split_fp_compare.
1947 2011-01-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1950 * config/rs6000/altivec.md (vector constant splitters): Add
1951 support for creating vector single precision constants if -mvsx is
1952 used and we would create the constant using Altivec primitives.
1954 2011-01-23 Bernd Schmidt <bernds@codesourcery.com>
1955 Richard Sandiford <rdsandiford@googlemail.com>
1957 PR rtl-optimization/47166
1958 * reload1.c (emit_reload_insns): Disable the spill_reg_store
1959 mechanism for PRE_MODIFY and POST_MODIFY.
1960 (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1963 2011-01-23 Andreas Schwab <schwab@linux-m68k.org>
1965 * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1967 2011-01-22 Jan Hubicka <jh@suse.cz>
1970 * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1972 2011-01-22 Jan Hubicka <jh@suse.cz>
1974 PR tree-optimization/43884
1976 * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1977 * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1979 2011-01-22 Anatoly Sokolov <aesok@post.ru>
1981 * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1982 * config/s390/s390.c (s390_register_move_cost,
1983 s390_memory_move_cost): New.
1984 (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1986 2011-01-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1989 * except.c (sjlj_assign_call_site_values): Move setting the
1990 crtl->uses_eh_lsda flag to ...
1991 (sjlj_mark_call_sites): ... here.
1992 (sjlj_emit_function_enter): Support NULL dispatch label.
1993 (sjlj_build_landing_pads): In a function with no landing pads
1994 that still has must-not-throw regions, generate code to register
1995 a personality function with empty LSDA.
1997 2011-01-21 Richard Henderson <rth@redhat.com>
1999 * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2001 * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2003 * compare-elim.c: New file.
2004 * Makefile.in (OBJS-common): Add it.
2005 (compare-elim.o): New.
2006 * common.opt (fcompare-elim): New.
2007 * opts.c (default_options_table): Add OPT_fcompare_elim.
2008 * tree-pass.h (pass_compare_elim_after_reload): New.
2009 * passes.c (init_optimization_passes): Add it.
2010 * recog.h: Protect against re-inclusion.
2011 * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2012 * doc/invoke.texi (-fcompare-elim): Document it.
2013 * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2014 * doc/tm.texi: Rebuild.
2016 2011-01-22 Nick Clifton <nickc@redhat.com>
2018 * config/rx/rx.md (cstoresf4): Pass comparison operator to
2019 rx_split_fp_compare.
2021 2011-01-22 Nick Clifton <nickc@redhat.com>
2023 * config/rx/rx.md (UNSPEC_CONST): New.
2024 (deallocate_and_return): Wrap the amount popped off the stack in
2025 an UNSPEC_CONST in order to stop it being rejected by
2026 -mmax-constant-size.
2027 (pop_and_return): Add a "(return)" rtx.
2028 (call): Drop the immediate operand.
2029 (call_internal): Likewise.
2030 (call_value): Likewise.
2031 (call_value_internal): Likewise.
2032 (sibcall_internal): Likewise.
2033 (sibcall_value_internal): Likewise.
2034 (sibcall): Likewise. Generate an explicit call using
2036 (sibcall_value): Likewise.
2037 (mov<>): FAIL if a constant operand is not legitimate.
2038 (addsi3_unpsec): New pattern.
2040 * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2041 (ok_for_max_constant): New function.
2042 (gen_safe_add): New function.
2043 (rx_expand_prologue): Use gen_safe_add.
2044 (rx_expand_epilogue): Likewise.
2045 (rx_is_legitimate_constant): Use ok_for_max_constant. Handle
2048 2011-01-21 Jeff Law <law@redhat.com>
2050 PR tree-optimization/47053
2051 * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2052 (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2053 statements are deleted.
2054 (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP. If NEED_EH_CLEANUP
2055 is nonempty, then purge dead edges and cleanup the CFG.
2057 2011-01-21 Alexandre Oliva <aoliva@redhat.com>
2061 2011-01-21 Alexandre Oliva <aoliva@redhat.com>
2063 * tree-dfa.c (create_var_ann): Mark variable as used.
2065 2011-01-21 Jakub Jelinek <jakub@redhat.com>
2068 * except.c (convert_to_eh_region_ranges): Emit queued no-region
2069 notes from other section in hot/cold partitioning even if
2070 last_action is -3. Increment call_site_base.
2072 PR rtl-optimization/47366
2073 * fwprop.c (forward_propagate_into): Return bool. If
2074 any changes are made, -fnon-call-exceptions is used and
2075 REG_EH_REGION note is present, call purge_dead_edges
2076 and return true if it purged anything.
2077 (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2078 any EH edges were purged.
2080 2011-01-21 Jeff Law <law@redhat.com>
2082 PR rtl-optimization/41619
2083 * caller-save.c (setup_save_areas): Break out code to determine
2084 which hard regs are live across calls by examining the reload chains
2085 so that it is always used.
2086 Eliminate code which checked REG_N_CALLS_CROSSED.
2088 2011-01-21 Jakub Jelinek <jakub@redhat.com>
2090 PR tree-optimization/47355
2091 * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2092 NOP has non-debug uses beyond PHIs in new_bb.
2094 2011-01-21 Alexandre Oliva <aoliva@redhat.com>
2097 * cfgexpand.c (account_used_vars_for_block): Only account vars
2098 that are annotated as used.
2099 (estimated_stack_frame_size): Don't set TREE_USED.
2100 * tree-dfa.c (create_var_ann): Mark variable as used.
2102 2011-01-21 Richard Guenther <rguenther@suse.de>
2105 * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2107 2011-01-21 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/47365
2110 * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2111 (vn_reference_lookup_pieces): Adjust.
2112 (vn_reference_lookup): Likewise.
2113 * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2114 (vn_reference_lookup_3): Only look through kills if in
2115 VN_WALKREWRITE mode.
2116 (vn_reference_lookup_pieces): Adjust.
2117 (vn_reference_lookup): Likewise.
2118 (visit_reference_op_load): Likewise.
2119 (visit_reference_op_store): Likewise.
2120 * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2121 (compute_avail): Likewise.
2122 (eliminate): Likewise.
2124 2011-01-21 Jakub Jelinek <jakub@redhat.com>
2126 * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2127 DECL_IGNORED_P non-reg vars if they are used.
2129 PR tree-optimization/47391
2130 * varpool.c (const_value_known_p): Return false if
2133 2011-01-21 Kai Tietz <kai.tietz@onevision.com>
2136 * config/i386/i386.c (ix86_local_alignment): Handle
2137 case for va_list_type_node is nil.
2138 (ix86_canonical_va_list_type): Likewise.
2140 2011-01-21 Alan Modra <amodra@gmail.com>
2142 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2143 builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2145 2011-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2147 * config/arm/arm.md (define_attr type): Rename f_load
2148 and f_store to f_fpa_load and f_fpa_store. Update.
2149 (write_conflict): Deal with rename fallout.
2150 (*push_fp_multi): Likewise.
2151 * config/arm/fpa.md (f_load): Use f_fpa_load.
2152 (f_store): Use f_fpa_store.
2153 (*movsf_fpa): Likewise.
2154 (*movdf_fpa): Likewise.
2155 (*movxf_fpa): Likewise.
2156 (*thumb2_movsf_fpa): Likewise.
2157 (*thumb2_movdf_fpa): Likewise.
2158 (*thumb2_movxf_fpa): Likewise.
2159 * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2160 f_loadd and f_stored.
2161 (*thumb2_movdi_vfp): Likewise.
2162 (*thumb2_movsf_vfp): Fix attribute to f_loads.
2163 (*thumb2_movsi_vfp): Likewise.
2164 * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2165 Use f_loads instead of f_load.
2166 * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2168 2011-01-20 Anatoly Sokolov <aesok@post.ru>
2170 * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2171 * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2172 * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2173 (xtensa_mode_dependent_address_p): New function.
2174 (constantpool_address_p): Make static. Change return type to bool.
2175 Change argument type to const_rtx. Use CONST_INT_P predicate.
2177 2011-01-20 Alexandre Oliva <aoliva@redhat.com>
2180 * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2182 2011-01-20 Jakub Jelinek <jakub@redhat.com>
2185 * cfgexpand.c (expand_debug_expr): Instead of generating
2186 (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2189 2011-01-20 Richard Guenther <rguenther@suse.de>
2192 * tree-inline.c (remap_gimple_op_r): Recurse manually for
2193 the pointer operand of MEM_REFs.
2195 2011-01-20 Jakub Jelinek <jakub@redhat.com>
2197 PR tree-optimization/46130
2198 * ipa-split.c (consider_split): If return_bb contains non-virtual
2199 PHIs other than for retval or if split_function would not adjust it,
2202 2011-01-20 Richard Guenther <rguenther@suse.de>
2204 PR tree-optimization/47167
2205 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2206 Revert previous change, only avoid enumeral type changes.
2208 2011-01-19 Mike Stump <mikestump@comcast.net>
2210 * doc/tm.texi.in (BRANCH_COST): Englishify.
2211 * doc/tm.texi (BRANCH_COST): Likewise.
2213 2011-01-19 Dodji Seketeli <dodji@redhat.com>
2216 * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2217 (gen_scheduled_generic_parms_dies): New functions.
2218 (gen_struct_or_union_type_die): Schedule template parameters DIEs
2219 generation for the end of CU compilation.
2220 (dwarf2out_finish): Generate template parameters DIEs here.
2222 2011-01-19 Alexandre Oliva <aoliva@redhat.com>
2225 * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2226 debug bind stmt on merge edges.
2228 2011-01-19 Alexandre Oliva <aoliva@redhat.com>
2232 * function.c (instantiate_expr): Instantiate incoming rtl of
2233 implicit arguments, and recurse on VALUE_EXPRs.
2234 (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2235 * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2237 2011-01-19 Alexandre Oliva <aoliva@redhat.com>
2239 * c-parser.c (c_parser_for_statement): Initialize
2240 collection_expression.
2242 2011-01-19 Joseph Myers <joseph@codesourcery.com>
2244 * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2246 2011-01-19 Joseph Myers <joseph@codesourcery.com>
2248 * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2249 (LINK_SHLIB_SPEC): Don't use %(link_path).
2250 (SUBTARGET_EXTRA_SPECS): Remove link_path.
2252 2011-01-19 Joseph Myers <joseph@codesourcery.com>
2254 * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2255 (NO_SHARED_LIB_SUPPORT): Remove.
2256 (LINK_SHLIB_SPEC): Remove one conditional definition.
2258 2011-01-19 Joseph Myers <joseph@codesourcery.com>
2260 * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2262 * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2263 * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2264 * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2265 %{call_shared} and conditionals on these options not being passed.
2266 * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2269 2011-01-19 Jakub Jelinek <jakub@redhat.com>
2271 * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2274 * ipa-split.c: Spelling fixes.
2276 2011-01-19 Richard Henderson <rth@redhat.com>
2278 * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2279 (*mulsi3): Likewise.
2281 * longlong.h [__mn10300__] (count_leading_zeros): New.
2282 [__mn10300__] (umul_ppmm, smul_ppmm): New.
2283 [__mn10300__] (add_ssaaaa, subddmmss): New.
2284 [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2285 [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2287 2011-01-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2289 * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2291 2011-01-19 Richard Henderson <rth@redhat.com>
2293 * config/mn10300/mn10300.md (addsi3_flags): New.
2294 (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2295 (subsi3_flags, subc_internal, subdi3): New.
2296 (subdi3_internal, *subdi3_degenerate): New.
2297 * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2299 * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2300 (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2301 (mn10300_expand_epilogue): Use it. Compute REG_SAVE_BYTES once.
2302 * config/mn10300/mn10300-protos.h: Update.
2303 * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2304 (return_ret): Likewise. Rename from return_internal_regs.
2305 (return_internal): Remove.
2307 * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2308 (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2309 (mn10300_legitimate_constant_p): Likewise.
2310 (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2311 (mn10300_frame_size): New.
2312 (mn10300_expand_prologue): Use it.
2313 (mn10300_expand_epilogue): Likewise.
2314 (mn10300_initial_offset): Likewise.
2315 * config/mn10300/mn10300-protos.h: Update.
2316 * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2317 * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2318 (prologue, epilogue, return_internal): Tidy output code.
2319 (mn10300_store_multiple_operation, return): Likewise.
2320 (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2321 (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2322 (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2323 (load_pic, am33_load_pic): New.
2324 (mn10300_load_pic0, mn10300_load_pic1): New.
2326 * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2327 * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2328 (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2329 (cc_flags_for_mode, cc_flags_for_code): New.
2330 (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2331 overflow flag is not valid. Validate that the flags we need
2332 for the comparison are valid.
2333 (mn10300_output_cmp): Remove.
2334 (mn10300_output_add): New.
2335 (mn10300_select_cc_mode): Use cc_flags_for_code.
2336 (mn10300_split_cbranch): New.
2337 (mn10300_match_ccmode): New.
2338 (mn10300_split_and_operand_count): New.
2339 * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2341 * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2342 (addsi3): ... here. Use mn10300_output_add.
2343 (*addsi3_flags): New.
2344 (*am33_subsi3, *mn10300_subsi3): Merge...
2345 (subsi3): ... here. Use attribute isa.
2346 (*subsi3_flags): New.
2347 (negsi2): Rewrite from expander to insn_and_split. Use NOT+INC
2349 (*am33_andsi3, *mn10300_andsi3): Merge...
2351 (*andsi3_flags): New.
2352 (andsi3 splitters): New.
2353 (*am33_iorsi3, *mn10300_iorsi3): Merge...
2355 (*iorsi3_flags): New.
2356 (*am33_xorsi3, *mn10300_xorsi3): Merge...
2358 (*xorsi3_flags): New.
2359 (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2360 (one_cmplsi2): ... here.
2361 (*one_cmplsi2_flags): New.
2362 (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload. Use "r"
2363 instead of "dax" in constraints. Use mn10300_split_cbranch.
2364 (*cmpsi): Rename from cmpsi. Do not use mn10300_output_cmp. Do not
2365 use matching constraints to eliminate a self-comparison.
2366 (*integer_conditional_branch): Rename from integer_conditional_branch.
2367 Use int_mode_flags to match CC_REG.
2368 (*cbranchsi4_btst, *btstsi): New.
2369 (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload. Use
2370 mn10300_split_cbranch.
2371 (*am33_cmpsf): Rename from am33_cmpsf.
2372 (*float_conditional_branch): Rename from float_conditional_branch.
2373 (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2374 (zero_extendqisi2): ... here.
2375 (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2376 (zero_extendhisi2): ... here.
2377 (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2378 (extendqisi2): ... here.
2379 (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2380 (extendhisi2): ... here.
2381 (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2382 (ashlsi3): ... here.
2383 (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2384 (lshrsi3): ... here.
2385 (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2386 (ashrsi3): ... here.
2387 (consecutive add peephole): Remove.
2388 * config/mn10300/predicates.md (label_ref_operand): New.
2389 (int_mode_flags): New.
2390 (CCZN_comparison_operator): New.
2392 * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2393 (throughput_42_latency_43): New reservation.
2394 (mulsidi3, umulsidi3): New expanders.
2395 (mulsidi3_internal): Rewrite from old mulsidi3 pattern. Expose
2396 the MDR register to allocation; separately allocate the low and
2397 high parts of the DImode result.
2398 (umulsidi3_internal): Similarly.
2399 (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2400 (*mulsi3): ... here. Clobber MDR as a scratch as necessary.
2401 (udivsi3, umodsi3): Remove.
2402 (udivmodsi4, divmodsi4): New expanders.
2403 (*udivmodsi4): Rename from udivmodsi4. Expose MDR properly.
2404 (*divmodsi4): Simiarly.
2405 (ext_internal): New.
2407 * config/mn10300/constraints.md ("z"): New constraint.
2408 * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2409 (FIXED_REGISTERS): Don't fix MDR.
2410 (CALL_USED_REGSITERS): Reformat nicely.
2411 (REG_ALLOC_ORDER): Add MDR.
2412 (enum regclass): Add MDR_REGS.
2413 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2414 (IRA_COVER_CLASSES): Add MDR_REGS.
2415 (REGNO_REG_CLASS): Handle MDR_REG.
2416 * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2417 (mn10300_register_move_cost): Likewise.
2418 * config/mn10300/mn10300.md (MDR_REG): New.
2419 (*movsi_internal): Handle moves to/from MDR_REGS.
2421 * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2423 (mn10300_secondary_reload): Tidy combination reload classes.
2424 (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2425 addresses for AM33. Allow symbolic offsets for reg+imm.
2426 (mn10300_regno_in_class_p): New.
2427 (mn10300_legitimize_reload_address): New.
2428 * config/mn10300/mn10300.h (enum reg_class): Remove
2429 DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2430 SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS. Add
2432 (REG_CLASS_NAMES): Update to match.
2433 (REG_CLASS_CONTENTS): Likewise.
2434 (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2435 (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2436 (REGNO_IN_RANGE_P): Remove.
2437 (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2438 (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2439 (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2440 (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2441 (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2442 (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2443 (REGNO_GENERAL_P): New.
2444 (HAVE_POST_MODIFY_DISP): New.
2445 (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2446 (LEGITIMIZE_RELOAD_ADDRESS): New.
2447 * config/mn10300/mn10300-protos.h: Update.
2449 * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2450 DATA_REGS for AM33 stack-pointer destination.
2451 (mn10300_preferred_output_reload_class): Likewise.
2452 (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2453 into a form appropriate for ...
2454 (TARGET_SECONDARY_RELOAD): New.
2455 * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2456 * config/mn10300/mn10300-protos.h: Update.
2457 * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2458 reload_insi; use the "A" constraint for the scratch; handle AM33
2459 moves of sp to non-address registers.
2461 * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2462 (*movqi_internal): ... here.
2463 (*am33_movhi, *mn10300_movhi): Merge into...
2464 (*movhi_internal): ... here.
2465 (*movsi_internal): Use "r" instead of "dax" in constraints. Use "A"
2466 as the source/destination of moves from/to SP.
2467 (movsf): Only allow for AM33-2.
2468 (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2469 any integer constant constraint. Only allow for AM33-2. Tidy
2470 all of the alternative outputs.
2471 (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2472 (udivmodsi4): Delete expander and promote *udivmodsi4. Disallow
2474 (udivsi3, umodsi3): New patterns for MN103 only.
2476 2011-01-19 Joern Rennecke <amylaar@spamcop.net>
2478 * doc/tm.texi.in: Spell out that a lack of register class unions
2480 * doc/tm.texi: Regenerate.
2482 2011-01-19 Jakub Jelinek <jakub@redhat.com>
2484 PR rtl-optimization/47337
2485 * dce.c (check_argument_store): New function.
2486 (find_call_stack_args): Ignore debug insns. Use check_argument_store.
2488 PR tree-optimization/47290
2489 * tree-eh.c (infinite_empty_loop_p): New function.
2490 (cleanup_empty_eh): Use it.
2492 2011-01-18 Steve Ellcey <sje@cup.hp.com>
2495 * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2496 (a64_expand_widen_sum): Ditto.
2497 * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2498 (vec_extract_evenodd_help): Ditto.
2499 (vec_extract_evenv4hi): Ditto.
2500 (vec_extract_oddv4hi): Ditto.
2501 (vec_extract_evenv2si): Ditto.
2502 (vec_extract_oddv2si): Ditto.
2503 (vec_extract_evenv2sf): Ditto.
2504 (vec_extract_oddv2sf): Ditto.
2505 (vec_pack_trunc_v4hi: Ditto.
2506 (vec_pack_trunc_v2si): Ditto.
2507 (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2508 (vec_interleave_highv8qi): Ditto.
2510 (vec_extract_oddv8qi): Ditto.
2511 (vec_interleave_lowv4hi): Ditto.
2512 (vec_interleave_highv4hi): Ditto.
2513 (vec_interleave_lowv2si): Ditto.
2514 (vec_interleave_highv2si): Ditto.
2516 2011-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2518 * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2519 * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2520 * config/pa/pa.c (pa_expand_builtin): New. Include "langhooks.h".
2521 (pa_c_mode_for_suffix): New.
2522 (TARGET_EXPAND_BUILTIN): Define.
2523 (TARGET_C_MODE_FOR_SUFFIX): Define.
2524 (pa_builtins): Define.
2525 (pa_init_builtins): Register __float128 type and init new support
2527 * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2528 * config/pa/quadlib.c (_U_Qfcopysign): New.
2530 2011-01-18 Eric Botcazou <ebotcazou@adacore.com>
2533 * explow.c (allocate_dynamic_stack_space): Do not assume more than
2534 BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2537 2011-01-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2539 PR tree-optimization/47179
2540 * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2541 (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2543 2011-01-18 Richard Guenther <rguenther@suse.de>
2545 PR rtl-optimization/47216
2546 * emit-rtl.c: Include tree-flow.h.
2547 (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2548 of replicating it with different semantics.
2549 * Makefile.in (emit-rtl.o): Adjust.
2551 2011-01-18 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2553 * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2554 (cortex_a9_dp): Handle neon types correctly.
2556 2011-01-18 Jakub Jelinek <jakub@redhat.com>
2558 PR rtl-optimization/47299
2559 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2560 subtarget. Use normal multiplication if both operands are constants.
2561 * expmed.c (expand_widening_mult): Don't try to optimize constant
2562 multiplication if op0 has VOIDmode. Convert op1 constant to mode
2565 2011-01-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2567 * doc/lto.texi (LTO): Ensure two spaces after period. Fix
2568 spacing after 'e.g.', typos, comma, hyphenation.
2570 2011-01-17 Richard Henderson <rth@redhat.com>
2572 * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2573 (rx_restricted_mem_operand): New.
2574 (rx_shift_operand): Use register_operand.
2575 (rx_source_operand, rx_compare_operand): Likewise.
2576 * config/rx/rx.md (addsi3_flags): New expander.
2577 (adddi3): Rewrite as expander.
2578 (adc_internal, *adc_flags, adddi3_internal): New patterns.
2579 (subsi3_flags): New expander.
2580 (subdi3): Rewrite as expander.
2581 (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2583 * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2584 (rx_init_builtins): Remove sat builtin.
2585 (rx_expand_builtin): Likewise.
2586 * config/rx/rx.md (ssaddsi3): New.
2587 (*sat): Rename from sat. Represent the CC_REG input.
2589 * config/rx/predicates.md (rshift_operator): New.
2590 * config/rx/rx.c (rx_expand_insv): Remove.
2591 * config/rx/rx-protos.h: Update.
2592 * config/rx/rx.md (*bitset): Rename from bitset. Swap the ashift
2593 operand to the canonical position.
2594 (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2595 (*bitclr, *bitclr_in_memory): Similarly.
2596 (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2597 (insv): Retain the zero_extract in the expansion.
2599 * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2600 (bswaphi2, bitinvert, revw): Likewise.
2602 * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2603 (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2604 * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2605 (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2606 (bitset, bitset_in_memory): Likewise.
2607 (bitinvert, bitinvert_in_memory): Likewise.
2608 (bitclr, bitclr_in_memory): Likewise.
2609 (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2610 (rx_strend, rx_cmpstrn): Likewise.
2611 (rx_setmem): Likewise. Make the source BLKmode to match the dest.
2612 (bitop peep2 patterns): Remove.
2614 * config/rx/rx.c (rx_match_ccmode): New.
2615 * config/rx/rx-protos.h: Update.
2616 * config/rx/rx.md (abssi2): Clobber, don't set flags.
2617 (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2618 (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2619 (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2620 (fix_truncsfsi2, floatsisf2): Likewise.
2621 (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2622 (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2623 (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2624 (*subsi3_flags, *xorsi3_flags): New.
2626 * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2628 * config/rx/rx.c (rx_print_operand): Remove workaround for
2629 unsplit comparison operations.
2631 * config/rx/rx.md (movsicc): Split after reload.
2632 (*movsicc): Merge *movsieq and *movsine via match_operator.
2633 (*stcc): New pattern.
2635 * config/rx/rx.c (rx_float_compare_mode): Remove.
2636 * config/rx/rx.h (rx_float_compare_mode): Remove.
2637 * config/rx/rx.md (cstoresi4): Split after reload.
2638 (*sccc): New pattern.
2640 * config/rx/predicates.md (label_ref_operand): New.
2641 (rx_z_comparison_operator): New.
2642 (rx_zs_comparison_operator): New.
2643 (rx_fp_comparison_operator): New.
2644 * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2645 Validate that the flags are set properly for the comparison.
2646 (rx_gen_cond_branch_template): Remove.
2647 (rx_cc_modes_compatible): Remove.
2648 (mode_from_flags): New.
2649 (flags_from_code): Rename from flags_needed_for_conditional.
2650 (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2651 (rx_select_cc_mode): Likewise.
2652 (rx_split_fp_compare): New.
2653 (rx_split_cbranch): New.
2654 * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2655 (*cbranchsi4): Use match_operator and rx_split_cbranch.
2656 (*cbranchsf4): Similarly.
2657 (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>. Use
2658 match_operator and rx_split_cbranch.
2659 (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2660 tstbranchsi4m_ne. Use match_operator and rx_split_cbranch.
2661 (*cmpsi): Rename from cmpsi.
2662 (*tstsi): Rename from tstsi.
2663 (*cmpsf): Rename from cmpsf; use CC_Fmode.
2664 (*conditional_branch): Rename from conditional_branch.
2665 (*reveresed_conditional_branch): Remove.
2666 (b<code>): Remove expander.
2667 * config/rx/rx-protos.h: Update.
2669 * config/rx/rx.c (rx_compare_redundant): Remove.
2670 * config/rx/rx.md (cmpsi): Don't use it.
2671 * config/rx/rx-protos.h: Update.
2673 * config/rx/rx-modes.def (CC_F): New mode.
2674 * config/rx/rx.c (rx_select_cc_mode): New.
2675 * config/rx/rx.h (SELECT_CC_MODE): Use it.
2676 * config/rx/rx-protos.h: Update.
2678 2011-01-17 Richard Henderson <rth@redhat.com>
2680 * except.c (dump_eh_tree): Fix stray ; after for statement.
2682 2011-01-17 Richard Guenther <rguenther@suse.de>
2684 PR tree-optimization/47313
2685 * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2686 handling before copying the body. Properly deal with
2687 by-reference result in SSA form.
2689 2011-01-17 Ian Lance Taylor <iant@google.com>
2692 * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2693 (struct_value_alias_set): Don't define.
2694 (sparc_option_override): Don't set sparc_sr_alias_set and
2695 struct_value_alias_set.
2696 (save_or_restore_regs): Use gen_frame_mem rather than calling
2698 (sparc_struct_value_rtx): Likewise.
2700 2011-01-17 H.J. Lu <hongjiu.lu@intel.com>
2703 * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2705 (_mm_maskstore_pd): Likewise.
2706 (_mm_maskload_ps): Likewise.
2707 (_mm_maskstore_ps): Likewise.
2708 (_mm256_maskload_pd): Change mask to __m256i.
2709 (_mm256_maskstore_pd): Likewise.
2710 (_mm256_maskload_ps): Likewise.
2711 (_mm256_maskstore_ps): Likewise.
2713 * config/i386/i386-builtin-types.def: Updated.
2714 (ix86_expand_special_args_builtin): Likewise.
2716 * config/i386/i386.c (bdesc_special_args): Update
2717 __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2718 __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2719 __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2720 __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2722 * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2723 Use <avxpermvecmode> on mask register.
2724 (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2726 2011-01-17 Olivier Hainque <hainque@adacore.com>
2727 Michael Haubenwallner <michael.haubenwallner@salomon.at>
2728 Eric Botcazou <ebotcazou@adacore.com>
2731 * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2732 if <= USHRT_MAX in 32-bit mode.
2734 2011-01-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2736 * doc/install.texi (Configuration, Specific): Wrap long
2737 lines in examples. Allow line wrapping in long options
2738 and URLs where beneficial for PDF output.
2740 2011-01-16 Richard Sandiford <rdsandiford@googlemail.com>
2742 * config/mips/mips.c (mips_classify_symbol): Don't return
2743 SYMBOL_PC_RELATIVE for nonlocal labels.
2745 2011-01-15 Eric Botcazou <ebotcazou@adacore.com>
2747 * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2749 2011-01-15 Jan Hubicka <jh@suse.cz>
2751 PR tree-optimization/47276
2752 * ipa.c (function_and_variable_visibility): Do not try to mark alias
2753 declarations as needed.
2755 2011-01-15 Martin Jambor <mjambor@suse.cz>
2757 * common.opt (fdevirtualize): New flag.
2758 * doc/invoke.texi (Option Summary): Document it.
2759 * opts.c (default_options_table): Add devirtualize flag.
2760 * ipa-prop.c (detect_type_change): Return immediately if
2761 devirtualize flag is not set.
2762 (detect_type_change_ssa): Likewise.
2763 (compute_known_type_jump_func): Likewise.
2764 (ipa_analyze_virtual_call_uses): Likewise.
2766 2011-01-14 Martin Jambor <mjambor@suse.cz>
2768 PR tree-optimization/45934
2769 PR tree-optimization/46302
2770 * ipa-prop.c (type_change_info): New type.
2771 (stmt_may_be_vtbl_ptr_store): New function.
2772 (check_stmt_for_type_change): Likewise.
2773 (detect_type_change): Likewise.
2774 (detect_type_change_ssa): Likewise.
2775 (compute_complex_assign_jump_func): Check for dynamic type change.
2776 (compute_complex_ancestor_jump_func): Likewise.
2777 (compute_known_type_jump_func): Likewise.
2778 (compute_scalar_jump_functions): Likewise.
2779 (ipa_analyze_virtual_call_uses): Likewise.
2780 (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2782 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2784 * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2785 * config/i386/i386.opt (msse5): New Alias.
2787 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2789 * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2790 * config/sparc/linux64.h (CC1_SPEC): Likewise.
2791 * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2792 * config/sparc/sparc.h (CC1_SPEC): Likewise.
2794 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2796 * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2798 * config/sparc/linux64.h (CC1_SPEC): Likewise.
2799 * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2800 * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2801 * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2803 * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2805 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2807 * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2809 2011-01-14 Mike Stump <mikestump@comcast.net>
2811 * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2812 * config/fr30/fr30.md: Likweise
2813 (movsi_push): Likewise.
2814 (movsi_pop): Likewise.
2815 (enter_func): Likewise.
2816 * config/moxie/moxie.md (movsi_push): Likewise.
2817 (movsi_pop): Likewise.
2819 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2821 * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2822 %{no_archive} %{exact_version}.
2823 * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2824 * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2825 %{no_archive} %{exact_version}.
2826 * config/mips/openbsd.h (LINK_SPEC): Likewise.
2827 * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2828 * config/mips/vxworks.h: Likewise.
2830 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2832 * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2834 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2836 * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2837 ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2839 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2841 * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2844 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2846 * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2848 * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2849 CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2851 (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2852 Don't handle -shlib.
2854 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2856 * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2857 (CC1_SPEC): Don't handle -profile.
2859 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2861 * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2862 * config/mips/mips.h (CC1_SPEC): Likewise.
2864 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2866 * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2867 * config/mips/mips.h (CC1_SPEC): Likewise.
2869 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2871 * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2872 * config/m32r/linux.h (LINK_SPEC): Likewise.
2873 * config/mips/linux.h (LINK_SPEC): Likewise.
2874 * config/mips/linux64.h (LINK_SPEC): Likewise.
2875 * config/sparc/linux.h (LINK_SPEC): Likewise.
2876 * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2877 LINK_SPEC): Likewise.
2878 * config/xtensa/linux.h (LINK_SPEC): Likewise.
2880 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2882 * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2884 * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2886 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2888 * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2889 * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2891 2011-01-14 Joseph Myers <joseph@codesourcery.com>
2893 * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2895 2011-01-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2897 * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2898 supports -Bstatic/-Bdynamic.
2899 * configure: Regenerate.
2901 2011-01-14 Jan Hubicka <jh@suse.cz>
2902 Jack Howarth <howarth@bromo.med.uc.edu>
2905 * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2906 when checking debug_info_level. Test write_symbols instead of
2907 debug_hooks->var_location when setting flag_var_tracking_uninit.
2909 2011-01-14 Richard Guenther <rguenther@suse.de>
2911 PR tree-optimization/47179
2912 * target.def (ref_may_alias_errno): New target hook.
2913 * targhooks.h (default_ref_may_alias_errno): Declare.
2914 * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2915 (default_ref_may_alias_errno): New function.
2916 * target.h (struct ao_ref_s): Declare.
2917 * tree-ssa-alias.c: Include target.h.
2918 (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2919 * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2920 (targhooks.o): Likewise.
2921 * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2922 * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2924 2011-01-14 Richard Guenther <rguenther@suse.de>
2926 * tree-ssa-structalias.c (new_var_info): Use DECL_HARD_REGISTER.
2928 2011-01-14 Richard Guenther <rguenther@suse.de>
2930 PR tree-optimization/47280
2931 * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2933 (tree_ssa_forward_propagate_single_use_vars): Deal with
2934 CFG changes from associate_plusminus.
2936 2011-01-14 Richard Guenther <rguenther@suse.de>
2940 2011-01-11 Richard Guenther <rguenther@suse.de>
2942 PR tree-optimization/46076
2943 * tree-ssa.c (useless_type_conversion_p): Conversions from
2944 unprototyped to empty argument list function types are useless.
2946 2011-01-14 Richard Guenther <rguenther@suse.de>
2948 PR tree-optimization/47286
2949 * tree-ssa-structalias.c (new_var_info): Register variables are global.
2951 2011-01-14 Martin Jambor <mjambor@suse.cz>
2954 * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2956 2011-01-13 Anatoly Sokolov <aesok@post.ru>
2958 * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2959 LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2960 * config/xtensa/xtensa.c (xtensa_libcall_value,
2961 xtensa_function_value_regno_p): New functions.
2962 (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2964 2011-01-13 Kai Tietz <kai.tietz@onevision.com>
2967 * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2969 * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2970 New function prototype.
2971 * config/i386/winnt.c (i386_pe_assemble_visibility):
2972 Warn only if attribute was specified by user.
2974 2011-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
2977 * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2979 (floatunsdidf2_fcfidu): Ditto.
2981 2011-01-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2983 * config/s390/s390.c (print_operand_address): Replace 'error' with
2984 'output_operand_lossage'.
2985 (print_operand): Likewise.
2987 2011-01-13 Jeff Law <law@redhat.com>
2989 PR rtl-optimization/39077
2990 * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2991 * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2992 * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2993 * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2994 * gcse.c (prune_insertions_deletions): New function.
2995 (compute_pre_data): Use it.
2997 2011-01-13 Dodji Seketeli <dodji@redhat.com>
3000 * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3002 (prune_unused_types_mark): Use it.
3004 2011-01-13 Andrey Belevantsev <abel@ispras.ru>
3006 PR rtl-optimization/45352
3007 * sel-sched.c: Update copyright years.
3008 (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3009 in the advancing loop when we have issued issue_rate insns.
3011 2011-01-12 Richard Henderson <rth@redhat.com>
3013 * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3014 (TARGET_MD_ASM_CLOBBERS): New.
3016 * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3017 (TARGET_DELEGITIMIZE_ADDRESS): New.
3019 * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3020 (clzsi2, *bsch): New patterns.
3022 * config/mn10300/mn10300.md (INT): New mode iterator.
3023 (*mov<INT>_clr): New pattern, and peep2 to generate it.
3025 * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3026 flag_split_wide_types.
3028 * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3029 (mn10300_trampoline_init): Rewrite without a template, an immediate
3030 load and a direct branch.
3031 * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3033 2011-01-12 Anatoly Sokolov <aesok@post.ru>
3035 * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3036 * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3037 * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3038 (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3040 2011-01-12 Kai Tietz <kai.tietz@onevision.com>
3043 * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3046 2011-01-12 Jan Hubicka <jh@suse.cz>
3049 * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3050 (PLUGIN_COND_CLOSE): New macro.
3051 (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3053 2011-01-12 Richard Guenther <rguenther@suse.de>
3056 * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3057 register variables in a MEM_REF.
3059 2011-01-12 Joseph Myers <joseph@codesourcery.com>
3061 * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3062 crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3063 hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3064 i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3065 i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3066 x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3067 ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3068 m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3069 mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3070 s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3071 sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3072 am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3073 * config/gnu-user.h: New. Copied from linux.h.
3074 (LINUX_TARGET_STARTFILE_SPEC): Rename to
3075 GNU_USER_TARGET_STARTFILE_SPEC.
3076 (LINUX_TARGET_ENDFILE_SPEC): Rename to
3077 GNU_USER_TARGET_ENDFILE_SPEC.
3078 (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3079 (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3080 (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3081 LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3082 CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3083 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3084 BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3085 BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3086 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3087 TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3088 * config/arm/linux-eabi.h (CC1_SPEC): Use
3089 GNU_USER_TARGET_CC1_SPEC.
3090 (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3091 (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3092 (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3093 * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3094 LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3095 LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3096 CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3097 LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3099 2011-01-12 Richard Guenther <rguenther@suse.de>
3102 * doc/invoke.texi (ffast-math): Document it is turned on
3105 2011-01-12 Jan Hubicka <jh@suse.cz>
3107 PR tree-optimization/47233
3108 * opts.c (common_handle_option): Disable ipa-reference with profile
3111 2011-01-12 Nicola Pero <nicola.pero@meta-innovation.com>
3113 * c-parser.c (c_parser_objc_at_property_declaration): Improved
3116 2011-01-12 Nicola Pero <nicola.pero@meta-innovation.com>
3118 * c-parser.c (c_lex_one_token): Updated and reindented some
3119 comments. No changes in code.
3121 2011-01-11 Ian Lance Taylor <iant@google.com>
3123 * godump.c (go_output_var): Don't output the variable if there is
3124 already a type with the same name.
3126 2011-01-11 Ian Lance Taylor <iant@google.com>
3128 * godump.c (go_format_type): Don't generate float80.
3130 2011-01-11 Richard Henderson <rth@redhat.com>
3132 * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3133 declaration. Rewrite for both speed and size.
3134 (mn10300_address_cost_1): Remove.
3135 (mn10300_register_move_cost): New.
3136 (mn10300_memory_move_cost): New.
3137 (mn10300_rtx_costs): Rewrite for both speed and size. Don't handle
3138 ZERO_EXTRACT. Do handle UNSPEC, arithmetic, logicals, compare,
3139 extensions, shifts, BSWAP, CLZ.
3140 (mn10300_wide_const_load_uses_clr): Remove.
3141 (TARGET_REGISTER_MOVE_COST): New.
3142 (TARGET_MEMORY_MOVE_COST): New.
3143 * config/mn10300/mn10300-protos.h: Update.
3144 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3146 * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3147 * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3148 * config/mn10300/mn10300-protos.h: Update.
3149 * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3150 (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3151 (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3152 (*test_int_bitfield, *test_byte_bitfield): Remove.
3153 (*bit_test, *subreg_bit_test): Remove.
3154 * config/mn10300/predicates.md (const_8bit_operand): Remove.
3156 * config/mn10300/constraints.md ("c"): Rename from "A".
3157 ("A", "D"): New constraint letters.
3158 * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3159 (fmssf4, fnmasf4, fnmssf4): Likewise.
3161 * config/mn10300/mn10300.md (isa): New attribute.
3162 (enabled): New attribute.
3164 * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3165 (abssf2, negsf2): Define only for hardware fp.
3166 (sqrtsf2): Reformat.
3167 (addsf3, subsf3, mulsf3): Merge expander and insn.
3169 * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3170 (DEBUGGER_AUTO_OFFSET): Remove.
3171 (DEBUGGER_ARG_OFFSET): Remove.
3173 * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3174 Emit register stores with the same offsets as the hardware.
3175 (mn10300_store_multiple_operation): Don't check that the register
3176 save offsets are monotonic.
3177 * config/mn10300/mn10300-protos.h: Update.
3179 * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3181 * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3182 in terms of the value on the stack, not the MDR register.
3184 2011-01-11 Jan Hubicka <jh@suse.cz>
3188 * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3189 (symbol_alias_set_destroy, symbol_alias_set_contains,
3190 propagate_aliases_backward): Declare.
3191 * lto-streamer-out.c (struct sets): New sturcture.
3192 (trivally_defined_alias): New function.
3193 (output_alias_pair_p): Rewrite.
3194 (output_unreferenced_globals): Fix output of alias pairs.
3195 (produce_symtab): Likewise.
3196 * ipa.c (function_and_variable_visibility): Set weak alias destination
3198 * varasm.c (symbol_alias_set_t): Remove.
3199 (symbol_alias_set_destroy): Export.
3200 (propagate_aliases_forward, propagate_aliases_backward): New functions
3202 (compute_visible_aliases): ... this one; remove.
3203 (trivially_visible_alias): New
3204 (trivially_defined_alias): New.
3205 (remove_unreachable_alias_pairs): Rewrite.
3206 (finish_aliases_1): Reorganize code checking if alias is defined.
3207 * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3210 2011-01-11 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/46076
3213 * tree-ssa.c (useless_type_conversion_p): Conversions from
3214 unprototyped to empty argument list function types are useless.
3216 2011-01-11 Richard Guenther <rguenther@suse.de>
3219 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3220 volatile MEMs as MEM_READONLY_P.
3222 2011-01-11 Richard Guenther <rguenther@suse.de>
3224 PR tree-optimization/47239
3225 * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3227 2011-01-11 Jeff Law <law@redhat.com>
3229 PR tree-optimization/47086
3230 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3231 IVs from statements that might throw.
3233 2011-01-10 Jan Hubicka <jh@suse.cz>
3236 * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3238 2011-01-10 Jan Hubicka <jh@suse.cz>
3241 * profile.c (read_profile_edge_counts): Ignore profile inconistency
3242 when correcting profile.
3244 2011-01-10 Jan Hubicka <jh@suse.cz>
3247 * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3249 * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3250 Restore DECL_FINI_PRIORITY.
3252 2011-01-10 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3254 * doc/gimple.texi: Fix quoting of multi-word return values in
3255 @deftypefn statements. Ensure presence of return value. Wrap
3256 overlong @deftypefn lines.
3257 (is_gimple_operand, is_gimple_min_invariant_address): Remove
3258 descriptions of removed functions.
3259 * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3260 of multi-word return value in @deftypefn statement.
3262 2011-01-10 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3264 * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3265 (Conditional Expressions, Logical Operators)
3266 (Statement and operand traversals): Do not indent smallexample
3267 code. Fix duplicate function argument in example.
3269 2011-01-10 Jeff Law <law@redhat.com>
3271 PR tree-optimization/47141
3272 * ipa-split.c (split_function): Handle case where we are
3273 returning a value and the return block has a virtual operand phi.
3275 2011-01-10 Jan Hubicka <jh@suse.cz>
3277 PR tree-optimization/47234
3278 * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3279 (pass_feedback_split_functions): Declare.
3280 * passes.c (init_optimization_passes): Add ipa-split as subpass of
3282 * ipa-split.c (gate_split_functions): Update comments; disable
3283 split-functions for profile_arc_flag and branch_probabilities.
3284 (gate_feedback_split_functions): New function.
3285 (execute_feedback_split_functions): New function.
3286 (pass_feedback_split_functions): New global var.
3288 2011-01-10 H.J. Lu <hongjiu.lu@intel.com>
3291 * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3292 calling gimple_call_set_cannot_inline.
3294 2011-01-10 Iain Sandoe <iains@gcc.gnu.org>
3296 * config/darwin-sections.def: Remove unused section.
3298 2011-01-10 Dave Korn <dave.korn.cygwin@gmail.com>
3301 * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3303 2011-01-09 Nicola Pero <nicola.pero@meta-innovation.com>
3306 * c-parser.c (c_parser_declaration_or_fndef): Improved
3309 2011-01-09 Kai Tietz <kai.tietz@onevision.com>
3311 * config/i386/winnt.c (i386_pe_start_function): Make sure
3312 to switch back to function's section.
3314 2011-01-09 Iain Sandoe <iains@gcc.gnu.org>
3318 * plugin.c: Move include of dlfcn.h from here...
3319 * system.h: ... to here.
3321 2011-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3323 * doc/cpp.texi (C++ Named Operators): Fix markup for header
3325 * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3326 two extra empty pages in PDF output.
3328 2011-01-08 Nicola Pero <nicola.pero@meta-innovation.com>
3331 * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3332 for error recovery purposes behave as if it was not specified so
3333 that the default type is usd.
3335 2011-01-07 Jan Hubicka <jh@suse.cz>
3337 PR tree-optmization/46469
3338 * ipa.c (function_and_variable_visibility): Clear needed flags on
3339 nodes with external decls; handle weakrefs merging correctly.
3341 2011-01-07 Joseph Myers <joseph@codesourcery.com>
3343 * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3346 2011-01-07 Jan Hubicka <jh@suse.cz>
3348 * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3349 and no longer claim that gold is required for linker plugin.
3350 * configure: Regenerate.
3351 * gcc.c (PLUGIN_COND): New macro.
3352 (LINK_COMMAND_SPEC): Use it.
3353 (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3354 * config.in (HAVE_LTO_PLUGIN): New.
3355 * configure.ac (--with-lto-plugin): New parameter; autodetect
3358 2011-01-07 Jan Hubicka <jh@suse.cz>
3360 PR tree-optimization/46367
3361 * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3362 when we can update original.
3363 (cgraph_mark_inline_edge): Sanity check.
3364 * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3366 2011-01-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3368 * config/spu/spu.h (ASM_COMMENT_START): Define.
3370 2011-01-07 H.J. Lu <hongjiu.lu@intel.com>
3374 (SWITCH_KEEP_FOR_GCC): Likewise.
3375 (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3376 (do_spec_1): Handle "%>".
3378 * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3380 2011-01-07 Jakub Jelinek <jakub@redhat.com>
3383 * config/i386/i386.c (ix86_delegitimize_address): If
3384 simplify_gen_subreg fails, return orig_x.
3387 * value-prof.c (gimple_stringop_fixed_value): Handle
3388 lhs of the call properly.
3390 2011-01-07 Jan Hubicka <jh@suse.cz>
3393 * lto-opt.c (lto_reissue_options): Set flag_shlib.
3395 2011-01-07 Iain Sandoe <iains@gcc.gnu.org>
3397 * target.def (function_switched_text_sections): New hook.
3398 * doc/tm.texi: Regenerated.
3399 * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3400 * final.c (default_function_switched_text_sections): New.
3401 (final_scan_insn): Call function_switched_text_sections when a
3402 mid-function section change occurs.
3403 * output.h (default_function_switched_text_sections): Declare.
3404 * config/darwin-protos.h (darwin_function_switched_text_sections):
3406 * config/darwin.c (darwin_function_switched_text_sections): New.
3407 * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3409 2011-01-07 Iain Sandoe <iains@gcc.gnu.org>
3411 * dwarf2out.c (gen_subprogram_die): Add pubnames with code ranges for
3412 DWARF >= 3. Add pubnames for the primary section and a reduced DIE for
3413 the secondary code fragment when outputting for DWARF == 2.
3415 2011-01-07 Anatoly Sokolov <aesok@post.ru>
3417 * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3418 * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3420 * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3421 (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3423 2011-01-06 Eric Botcazou <ebotcazou@adacore.com>
3426 * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3427 when it is not empty.
3429 2011-01-06 Changpeng Fang <changpeng.fang@amd.com>
3432 * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3433 (case ${target}): Add btver1.
3434 * config/i386/driver-i386.c (host_detect_local_cpu): Let
3435 -march=native recognize btver1 processors.
3436 * config/i386/i386-c.c (ix86_target_macros_internal): Add
3437 btver1 def_and_undef
3438 * config/i386/i386.c (struct processor_costs btver1_cost): New
3440 (m_BTVER1): New definition.
3441 (m_AMD_MULTIPLE): Includes m_BTVER1.
3442 (initial_ix86_tune_features): Add btver1 tune.
3443 (processor_target_table): Add btver1 entry.
3444 (static const char *const cpu_names): Add btver1 entry.
3445 (software_prefetching_beneficial_p): Add btver1.
3446 (ix86_option_override_internal): Add btver1 instruction sets.
3447 (ix86_issue_rate): Add btver1.
3448 (ix86_adjust_cost): Add btver1.
3449 * config/i386/i386.h (TARGET_BTVER1): New definition.
3450 (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3451 (enum processor_type): Add PROCESSOR_BTVER1.
3452 * config/i386/i386.md (define_attr "cpu"): Add btver1.
3454 2011-01-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3457 * config/i386/i386.c (legitimize_tls_address)
3458 <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3459 * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3460 (tls_initial_exec_64_sun): New pattern.
3462 2011-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3464 * doc/invoke.texi (Overall Options): Improve wording and markup
3465 of the description of -wrapper.
3467 2011-01-06 Joseph Myers <joseph@codesourcery.com>
3469 * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3470 rdynamic, threads): New Driver options.
3472 2011-01-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3475 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3476 if coming from .tdata.
3477 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3479 2011-01-06 Jan Hubicka <jh@suse.cz>
3482 * collect2.c (main): Do not enable LTOmode when plugin is active.
3484 2011-01-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3487 * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3488 --version output if supported.
3489 * configure: Regenerate.
3491 2011-01-06 Joseph Myers <joseph@codesourcery.com>
3493 * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3496 2011-01-06 Jakub Jelinek <jakub@redhat.com>
3499 * c-convert.c (convert): When converting a complex expression
3500 other than COMPLEX_EXPR to a different complex type, ensure
3501 c_save_expr is called instead of save_expr, unless in_late_binary_op.
3502 * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3503 when converting COMPLEX_TYPE.
3505 2011-01-06 Ira Rosen <irar@il.ibm.com>
3507 PR tree-optimization/47139
3508 * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3509 only the last reduction value is used outside the loop. Update
3512 2011-01-05 Joseph Myers <joseph@codesourcery.com>
3514 * config/rtems.opt: New.
3515 * config.gcc (*-*-rtems*): Use rtems.opt.
3517 2011-01-05 Changpeng Fang <changpeng.fang@amd.com>
3519 * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3520 processors do not support 3DNow instructions.
3522 2011-01-05 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3524 * config/spu/spu.c (spu_option_override): Set parameter
3525 PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3527 2011-01-05 Jan Hubicka <jh@suse.cz>
3529 * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3530 at the command line.
3532 2011-01-05 Martin Jambor <mjambor@suse.cz>
3535 * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3536 deltas on streamed outgoing edges.
3537 (output_node_opt_summary): Output info for outgoing edges only when
3538 the node is in new parameter set.
3539 (output_cgraph_opt_summary): New parameter set, passed to the two
3540 aforementioned functions. Update its forward declaration and its
3543 2011-01-05 Tom Tromey <tromey@redhat.com>
3545 * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3546 operator to c_finish_omp_atomic.
3547 * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3548 (build_unary_op): Update.
3549 (build_modify_expr): Update.
3550 (build_asm_expr): Update.
3552 2011-01-05 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3554 * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3555 newly inserted insns.
3557 (spu_emit_branch_hint): Likewise.
3558 (insert_hbrp_for_ilb_runout): Likewise.
3559 (spu_machine_dependent_reorg): Call df_finish_pass after
3560 schedule_insns returns.
3562 2011-01-05 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3564 * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3566 2011-01-05 Eric Botcazou <ebotcazou@adacore.com>
3568 PR tree-optimization/47005
3569 * tree-sra.c (struct access): Add 'non_addressable' bit.
3570 (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3571 (decide_one_param_reduction): Return 0 if the parameter is passed by
3572 reference and one of the accesses in the group is non_addressable.
3574 2011-01-04 Eric Botcazou <ebotcazou@adacore.com>
3576 PR tree-optimization/47056
3577 * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3578 (mark_load): Likewise. Handle FUNCTION_DECL specially.
3579 (mark_store): Likewise. Pass STMT to ipa_record_reference.
3581 2011-01-04 Eric Botcazou <ebotcazou@adacore.com>
3583 * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3584 initializer. Skip view conversions from aggregate types.
3586 2011-01-04 Kai Tietz <kai.tietz@onevision.com>
3589 * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3591 2011-01-04 Philipp Thomas <pth@suse.de>
3593 * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3596 2011-01-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3598 * function.c (thread_prologue_and_epilogue_insns): Do not crash
3599 on empty epilogue sequences.
3601 2011-01-04 Joseph Myers <joseph@codesourcery.com>
3603 * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3604 non-static): New Driver options.
3606 2011-01-04 Jie Zhang <jie@codesourcery.com>
3609 * gcc.c (default_compilers[]): Set combinable field to 0
3610 for all assembly languages.
3612 2011-01-04 Mingjie Xing <mingjie.xing@gmail.com>
3614 * config/mips/loongson3a.md: New file.
3615 * config/mips/mips.md: Include loongson3a.md.
3616 * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3619 2011-01-03 Eric Botcazou <ebotcazou@adacore.com>
3622 * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3623 instead of convert_memory_address_addr_space on the base expression.
3625 2011-01-03 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3627 * config/spu/spu.c (spu_option_override): Update error text
3628 for bad -march= / -mtune= values.
3630 2011-01-03 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3632 * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3633 if branch-hint optimization will be performed.
3635 2011-01-03 Jakub Jelinek <jakub@redhat.com>
3637 PR tree-optimization/47148
3638 * ipa-split.c (split_function): Convert arguments to
3639 DECL_ARG_TYPE if possible.
3641 PR tree-optimization/47155
3642 * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3645 PR rtl-optimization/47157
3646 * combine.c (try_combine): If undobuf.other_insn becomes
3647 (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3648 and set *new_direct_jump_p too.
3650 2011-01-03 Sebastian Pop <sebastian.pop@amd.com>
3652 PR tree-optimization/47021
3653 * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3655 2011-01-03 Jakub Jelinek <jakub@redhat.com>
3657 * gcc.c (process_command): Update copyright notice dates.
3658 * gcov.c (print_version): Likewise.
3659 * gcov-dump.c (print_version): Likewise.
3660 * mips-tfile.c (main): Likewise.
3661 * mips-tdump.c (main): Likewise.
3663 2011-01-03 Martin Jambor <mjambor@suse.cz>
3665 PR tree-optimization/46801
3666 * tree-sra.c (type_internals_preclude_sra_p): Check whether
3667 aggregate fields start at byte boundary instead of the bit-field flag.
3669 2011-01-03 H.J. Lu <hongjiu.lu@intel.com>
3672 * gcc.c (main): Revert revision 168407.
3674 2011-01-03 Martin Jambor <mjambor@suse.cz>
3676 * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3678 2011-01-03 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3680 * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3681 vector optab to expand vector/scalar shift, update gimple to vector.
3683 2011-01-03 Martin Jambor <mjambor@suse.cz>
3685 * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3688 2011-01-03 Martin Jambor <mjambor@suse.cz>
3690 PR tree-optimization/46984
3691 * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3693 (cgraph_create_indirect_edge): Fixed line length.
3694 (cgraph_indirect_call_info): Declare.
3695 (cgraph_make_edge_direct) Update declaration.
3696 * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3697 (cgraph_create_indirect_edge): Use it.
3698 (cgraph_make_edge_direct): Made delta HOST_WIDE_INT. Updated all
3700 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3701 the new thunk_delta representation.
3702 * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3704 (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3705 (ipa_read_indirect_edge_info): Likewise.
3706 * lto-cgraph.c (output_edge_opt_summary): New function.
3707 (output_node_opt_summary): Call it on all outgoing edges.
3708 (input_edge_opt_summary): New function.
3709 (input_node_opt_summary): Call it on all outgoing edges.
3711 2011-01-02 H.J. Lu <hongjiu.lu@intel.com>
3714 * gcc.c (main): Don't check have_o when settting combine_inputs.
3716 2011-01-02 Eric Botcazou <ebotcazou@adacore.com>
3718 * regrename.c: Add general comment describing the pass.
3719 (struct du_head): Remove 'length' field.
3720 (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3721 (regrename_optimize): Do not sort chains. Rework comments, add others.
3722 Force renaming to the preferred class (if any) in the first pass and do
3723 not consider registers that belong to it in the second pass.
3724 (create_new_chain): Do not set 'length' field.
3725 (scan_rtx_reg): Likewise.
3727 2011-01-02 Jakub Jelinek <jakub@redhat.com>
3729 PR tree-optimization/47140
3730 * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3731 TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3734 PR rtl-optimization/47028
3735 * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3736 parm_birth_insn instead of at the beginning of first bb.
3738 2011-01-02 Mingjie Xing <mingjie.xing@gmail.com>
3740 * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3741 Remove the word "see" before "@pxref".
3742 * doc/rtl.texi: Remove the word "see" before "@pxref".
3744 2011-01-01 Jan Hubicka <jh@suse.cz>
3746 * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3749 2011-01-01 Kai Tietz <kai.tietz@onevision.com>
3752 * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3755 Copyright (C) 2011 Free Software Foundation, Inc.
3757 Copying and distribution of this file, with or without modification,
3758 are permitted in any medium without royalty provided the copyright
3759 notice and this notice are preserved.