1 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET
6 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
9 * config/i386/i386.c (init_cumulative_args): Also set
10 cum->callee_return_avx256_p.
11 (ix86_function_arg): Set cum->callee_pass_avx256_p. Set
12 cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode.
14 * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and
15 callee_return_avx256_p.
17 2013-03-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
19 Backport from mainline:
20 2012-12-04 Ian Lance Taylor <iant@google.com>
22 * godump.c (find_dummy_types): Output a dummy type if we couldn't
25 2013-03-20 Jack Howarth <howarth@bromo.med.uc.edu>
28 * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx.
29 (PLUS_EXPR): Likewise.
30 * doc/cppopts.texi (--help): Likewise.
31 * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise.
32 (-fdump-rtl-cprop_hardreg): Likewise.
33 (-fdump-rtl-csa): Likewise.
34 (-fdump-rtl-dce): Likewise.
35 (-fdump-rtl-dbr): Likewise.
36 (-fdump-rtl-into_cfglayout): Likewise.
37 (-fdump-rtl-outof_cfglayout): Likewise.
39 2013-03-18 Richard Earnshaw <rearnsha@arm.com>
42 * arm.c (shift_op): Validate RTL pattern on the fly.
43 (arm_print_operand, case 'S'): Don't use shift_operator to validate
46 2013-03-14 Seth LaForge <sethml@google.com>
49 Backport from mainline
50 2012-10-22 Julian Brown <julian@codesourcery.com>
52 * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
53 VFP D registers in big-endian mode.
55 2013-03-08 Joey Ye <joey.ye@arm.com>
57 Backport from mainline
58 2013-03-06 Joey Ye <joey.ye@arm.com>
61 * gcc.c (convert_white_space): New function.
62 (main): Handles white space in function name.
64 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
66 Backport from mainline
67 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
70 * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
71 instead of TARGET_SH2 for call-table case. Do not set sh_div_strategy
72 to SH_DIV_CALL_TABLE for TARGET_SH2.
73 * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
75 * doc/invoke.texi (SH options): Use table for mdiv= option. Document
76 mdiv= call-div1, call-fp, call-table options.
78 2013-03-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
80 * config.gcc (arm*-*-rtemself*): New.
81 (arm*-*-rtems*): Removed.
82 (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
83 "arm*-*-rtemseabi*" to "arm*-*-rtems*".
85 2013-03-01 Richard Biener <rguenther@suse.de>
87 Backport from mainline
88 2012-12-12 Zdenek Dvorak <ook@ucw.cz>
90 PR tree-optimization/55481
91 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
92 back to general rewriting if we cannot leave an original biv
95 2013-03-01 Richard Biener <rguenther@suse.de>
97 Backport from mainline
98 2012-04-10 Richard Guenther <rguenther@suse.de>
101 * gimple-low.c (gimple_check_call_args): Properly account for
102 compatible aggregate types.
104 2013-02-26 Nick Clifton <nickc@redhat.com>
107 Import this patch from the mainline:
109 2012-08-17 Nick Clifton <nickc@redhat.com>
111 * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
112 (branch_true): Likewise.
113 (branch_false): Likewise.
115 2013-02-26 Jakub Jelinek <jakub@redhat.com>
117 PR tree-optimization/56443
118 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
119 overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
120 to type_for_mode langhook.
122 2013-02-21 Jakub Jelinek <jakub@redhat.com>
125 * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
128 2013-02-19 Jakub Jelinek <jakub@redhat.com>
130 Backported from mainline
131 2013-02-19 Jakub Jelinek <jakub@redhat.com>
133 PR tree-optimization/56350
134 * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
135 if haven't found reduction or nested cycle operand, rather than
136 asserting we must find it.
138 PR tree-optimization/56381
139 * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
142 2013-02-08 Jakub Jelinek <jakub@redhat.com>
144 PR tree-optimization/56250
145 * fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
146 if type is unsigned and code isn't MULT_EXPR.
148 2013-02-06 Jakub Jelinek <jakub@redhat.com>
151 * omp-low.c (use_pointer_for_field): Return false if
152 lower_send_shared_vars doesn't generate any copy-out code.
154 2012-11-27 Jakub Jelinek <jakub@redhat.com>
156 PR tree-optimization/55110
157 * tree-vect-loop.c (vectorizable_reduction): Don't assert
158 that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.
160 2013-02-18 Richard Biener <rguenther@suse.de>
163 2013-02-04 Richard Biener <rguenther@suse.de>
165 Backport from mainline
166 2012-07-04 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/53844
169 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
170 the loop virtual PHI.
172 2013-02-13 David S. Miller <davem@davemloft.net>
174 * expmed.c (expand_shift_1): Only strip scalar integer subregs.
176 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
178 Backport from mainline
179 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
181 PR rtl-optimization/56275
182 * simplify-rtx.c (avoid_constant_pool_reference): Check that
183 offset is non-negative and less than cmode size before
184 calling simplify_subreg.
186 2013-02-09 Uros Bizjak <ubizjak@gmail.com>
188 Backport from mainline
189 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
191 * config/i386/sse.md (FMAMODEM): New mode iterator.
192 (fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
193 mode iterator. Do not use TARGET_SSE_MATH in insn constraint.
195 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
197 * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
198 when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
199 * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.
201 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
203 Backport from mainline
204 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
207 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
208 If there is no implicit builtin declaration, just return NULL.
210 2013-02-08 David Edelsohn <dje.gcc@gmail.com>
211 Michael Meissner <meissner@linux.vnet.ibm.com>
213 Backport from mainline
214 * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear
215 MASK_VSX from set_masks if OS_MISSING_ALTIVEC.
217 2013-02-07 David S. Miller <davem@davemloft.net>
219 * dwarf2out.c (based_loc_descr): Perform leaf register remapping
221 * var-tracking.c (vt_add_function_parameter): Test the presence of
222 HAVE_window_save properly and do not remap argument registers when
223 we have a leaf function.
225 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
227 Backport from mainline
228 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
231 * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
233 * config/i386/i386.c (ix86_print_operand): Ditto.
235 2013-02-07 Alan Modra <amodra@gmail.com>
238 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
239 static chain, set REST_INLINE_FPRS too.
241 2013-02-06 David Edelsohn <dje.gcc@gmail.com>
243 Backport from mainline
244 2013-01-25 Michael Haubenwallner <michael.haubenwallner@salomon.at>
246 * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
247 * configure: Regenerate.
249 2013-02-05 David Edelsohn <dje.gcc@gmail.com>
251 Backport from mainline
252 2013-02-03 David Edelsohn <dje.gcc@gmail.com>
253 Andrew Dixie <andrewd@gentrack.com>
255 * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
258 2013-02-05 Richard Biener <rguenther@suse.de>
260 Backport from mainline
261 2012-12-10 Richard Biener <rguenther@suse.de>
263 PR tree-optimization/55107
264 * tree-ssa-pre.c (struct pre_stats): Remove constified field.
265 (bitmap_set_replace_value): Add gcc_unreachable.
266 (do_regular_insertion): Re-write all_same handling. Insert
267 an assignment instead of a PHI in this case.
268 (execute_pre): Do not record constified events.
270 2013-02-05 Richard Biener <rguenther@suse.de>
272 PR tree-optimization/54767
273 * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
274 backedges drop all symbolical range information.
275 (execute_vrp): Compute backedges.
277 2013-02-04 Richard Biener <rguenther@suse.de>
279 Backport from mainline
280 2012-01-11 Richard Guenther <rguenther@suse.de>
282 PR tree-optimization/44061
283 * tree-vrp.c (extract_range_basic): Compute zero as
284 value-range for __builtin_constant_p of function parameters.
286 2013-01-08 Jakub Jelinek <jakub@redhat.com>
289 * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p.
291 2013-02-04 Richard Biener <rguenther@suse.de>
293 Backport from mainline
294 2012-07-04 Richard Guenther <rguenther@suse.de>
296 PR tree-optimization/53844
297 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
298 the loop virtual PHI.
300 2012-12-13 Richard Biener <rguenther@suse.de>
303 * tree-streamer.c (record_common_node): Check that we are not
304 recursively pre-loading nodes we want to skip. Handle
305 char_type_node appearing as part of va_list_type_node.
307 2013-02-04 Richard Biener <rguenther@suse.de>
310 * gimple.h (gimple_call_builtin_class_p): New function.
311 * gimple.c (validate_call): New function.
312 (gimple_call_builtin_class_p): Likewise.
313 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
314 Use gimple_call_builtin_class_p.
315 (find_func_clobbers): Likewise.
316 * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
317 (strlen_optimize_stmt): Likewise.
319 2013-02-01 Jakub Jelinek <jakub@redhat.com>
321 Backported from mainline
322 2013-01-28 Jakub Jelinek <jakub@redhat.com>
324 PR tree-optimization/56125
325 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
326 pow(x,c) into sqrt(x) * powi(x, n/2) or
327 1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
329 Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
330 1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
333 2013-01-25 Jakub Jelinek <jakub@redhat.com>
335 PR tree-optimization/56098
336 * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
337 for stmts with volatile ops.
338 (cond_store_replacement): Don't optimize if assign has volatile ops.
339 (cond_if_else_store_replacement_1): Don't optimize if either
340 then_assign or else_assign have volatile ops.
342 2013-01-23 Jakub Jelinek <jakub@redhat.com>
345 * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
346 instead of cmpdi_operand for first comparison operand.
347 Don't assert that comparison operands aren't both constants.
349 2013-01-21 Jakub Jelinek <jakub@redhat.com>
351 PR tree-optimization/56051
352 * fold-const.c (fold_binary_loc): Don't fold
353 X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
354 a narrowing conversion, or widening conversion from signed
357 2013-01-18 Jakub Jelinek <jakub@redhat.com>
360 * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
361 the case where writing real complex part of target modifies
364 2013-01-15 Jakub Jelinek <jakub@redhat.com>
367 * function.c (thread_prologue_and_epilogue_insns): Always
368 add crtl->drap_reg to set_up_by_prologue.set, even if
369 stack_realign_drap is false.
371 2013-01-10 Jakub Jelinek <jakub@redhat.com>
373 PR tree-optimization/55921
374 * tree-complex.c (expand_complex_asm): New function.
375 (expand_complex_operations_1): Call it for GIMPLE_ASM.
377 2013-01-03 Jakub Jelinek <jakub@redhat.com>
379 PR rtl-optimization/55838
380 * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
381 iv0.step, iv1.step and step.
383 2012-11-23 Jakub Jelinek <jakub@redhat.com>
386 * Makefile.in (gimple-low.o): Depend on langhooks.h.
387 * gimple-low.c: Include langhooks.c.
388 (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
389 by default call lang_hooks.block_may_fallthru.
390 * langhooks.h (struct lang_hooks): Add block_may_fallthru
392 * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
393 (LANG_HOOKS_INITIALIZER): Use it.
395 2012-11-20 Jakub Jelinek <jakub@redhat.com>
398 * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
399 on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
400 * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
401 on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
402 fail if the last real insn doesn't have REG_ARGS_SIZE note.
404 2012-11-17 Jakub Jelinek <jakub@redhat.com>
406 PR tree-optimization/55236
407 * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
408 and signed ARG0_TYPE, force low and high to be non-NULL.
410 2012-11-13 Jakub Jelinek <jakub@redhat.com>
412 PR rtl-optimization/54127
413 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
414 asm goto labels from BB_HEAD (e->dest) to target bb, decrement
415 LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
416 BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
417 REG_LABEL_TARGET and REG_LABEL_OPERAND.
419 2013-02-01 Eric Botcazou <ebotcazou@adacore.com>
421 * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
422 range isn't testing for zero.
424 2013-01-29 Richard Biener <rguenther@suse.de>
426 PR tree-optimization/56113
427 * tree-ssa-structalias.c (equiv_class_lookup): Also return
429 (label_visit): Free duplicate bitmaps and record the leader instead.
430 (perform_var_substitution): Adjust.
432 2013-01-28 Serowk <serowk@yandex.ru>
435 * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
436 Fix mode checks to allow for the passing of constants in the
438 (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
439 Add entries in the switch statement for builtin iwmmxt vector
440 shift and rotate builtins.
442 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
444 Backport from mainline
445 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
448 * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
449 operand 0 in movabs insn template for -masm=intel asm alternative.
450 (*movabs<mode>_2): Ditto for operand 1.
452 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
454 Backport from mainline
455 2013-01-22 Uros Bizjak <ubizjak@gmail.com>
458 * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
459 alternative to (o,r).
460 (*movdi_internal_rex64): Remove (!o,n) alternative.
461 (DImode immediate->memory splitter): Remove.
462 (DImode immediate->memory peephole2): Remove.
463 (movtf): Enable for TARGET_64BIT || TARGET_SSE.
464 (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
465 alternative to (!o,*r).
466 (*movtf_internal_sse): New pattern.
467 (*movxf_internal_rex64): New pattern.
468 (*movxf_internal): Disable for TARGET_64BIT.
469 (*movdf_internal_rex64): Remove (!o,F) alternative.
471 2013-01-23 Uros Bizjak <ubizjak@gmail.com>
473 * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
474 involving stack registers slightly.
476 2013-01-24 Uros Bizjak <ubizjak@gmail.com>
478 * config/i386/constraints.md (Yf): New constraint.
479 * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
480 of f constraint to conditionaly disable x87 register preferences.
481 (*movdf_internal): Ditto.
482 (*movsf_internal): Ditto.
484 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
486 * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
487 (*movtf_internal_rex64): Add (!o,C) alternative
488 (*movxf_internal_rex64): Ditto.
489 (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
491 2013-01-25 Georg-Johann Lay <avr@gjlay.de>
493 * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
495 2013-01-24 Martin Jambor <mjambor@suse.cz>
497 Backport from mainline
498 2013-01-04 Martin Jambor <mjambor@suse.cz>
500 PR tree-optimization/55755
501 * tree-sra.c (sra_modify_assign): Do not check that an access has no
502 children when trying to avoid producing a VIEW_CONVERT_EXPR.
504 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
506 Backport from mainline
507 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
509 * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
511 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
513 PR rtl-optimization/56023
514 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
515 dependent on debug instruction.
517 2013-01-21 Martin Jambor <mjambor@suse.cz>
519 Backport from mainline
520 2013-01-17 Martin Jambor <mjambor@suse.cz>
522 PR tree-optimizations/55264
523 * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
524 * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false
525 for virtual functions.
526 * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
528 * ipa.c (cgraph_remove_unreachable_nodes): Never return true for
529 virtual methods before inlining is over.
531 2013-01-17 Uros Bizjak <ubizjak@gmail.com>
533 Backport from mainline
534 2012-01-17 Uros Bizjak <ubizjak@gmail.com>
537 * config/i386/sync.md (atomic_store<mode>): Generate SWImode
538 store through atomic_store<mode>_1.
539 (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
541 2013-01-16 Richard Biener <rguenther@suse.de>
544 * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
545 account for bitpos when computing alignment.
547 2013-01-14 Georg-Johann Lay <avr@gjlay.de>
549 Backport from 2013-01-14 trunk r195169.
552 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
553 etc. to 1 and not to __flash.
554 Use LL suffix for __INT24_MAX__ with -mint8.
555 Use ULL suffix for __UINT24_MAX__ with -mint8.
557 2013-01-14 Matthias Klose <doko@ubuntu.com>
559 * doc/invoke.texi: Document -print-multiarch.
560 * doc/install.texi: Document --enable-multiarch.
561 * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
562 * configure.ac: Add --enable-multiarch option.
563 Substitute with_cpu, with_float.
564 * configure: Regenerate.
565 * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
566 enable_multiarch, with_cpu, with_float: New macros.
567 if_multiarch: New macro, define in terms of enable_multiarch.
568 * genmultilib: Add new argument for the multiarch name.
569 * gcc.c (multiarch_dir): Define.
570 (for_each_path): Search for multiarch suffixes.
571 (driver_handle_option): Handle multiarch option.
572 (do_spec_1): Pass -imultiarch if defined.
573 (main): Print multiarch.
574 (set_multilib_dir): Separate multilib and multiarch names
575 from multilib_select.
576 (print_multilib_info): Ignore multiarch names in multilib_select.
577 * incpath.c (add_standard_paths): Search the multiarch include dirs.
578 * cppdefault.h (default_include): Document multiarch in multilib
580 * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
581 include directory for multiarch directories.
582 * common.opt: New options --print-multiarch and -imultilib.
584 * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
585 Include i386/t-linux.
586 <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
587 Include i386/t-kfreebsd.
588 <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
589 * config/i386/t-linux64: Add multiarch names in
590 MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
591 * config/i386/t-gnu: New file.
592 * config/i386/t-kfreebsd: Likewise.
593 * config/i386/t-linux: Likewise.
595 * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
596 * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
597 * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
598 for 32bit non-biarch configurations.
600 * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
601 * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
604 * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
606 * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
608 * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
609 * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
610 * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
612 (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
613 * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
614 Include rs6000/t-linux for 32bit non-biarch configurations.
616 * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
618 * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
620 * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
621 * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
623 * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
624 * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
626 2013-01-14 Eric Botcazou <ebotcazou@adacore.com>
628 * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
629 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
630 (vect_estimate_min_profitable_iter): Adjust to above fix.
631 * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.
633 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
635 Backport from mainline
636 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
638 * doc/extend.texi (X86 Built-in Functions): Add whitespace in
639 __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
640 documentation. Add missing '__' in front of
641 __builtin_ia32_packssdw256.
643 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
645 Backport from mainline
646 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
648 * config/i386/sse.md (*vec_interleave_highv2df): Change mode
649 attribute of movddup insn to DF.
650 (*vec_interleave_lowv2df): Ditto.
651 (vec_dupv2df): Ditto.
653 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
655 Backport from 2013-01-07 trunk r194991, r194992.
658 * doc/extend.texi (AVR Named Address Spaces): __memx goes into
661 * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
662 (avr_addrspace_t): Add .section_name field.
663 * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
665 (avr_addrspace): Same. Initialize .section_name. Remove last
666 NULL entry. Put __memx into .progmemx.data.
667 (progmem_section_prefix): Remove.
668 (avr_asm_init_sections): No need to initialize progmem_section.
669 (avr_asm_named_section): Use avr_addrspace[].section_name to get
671 (avr_asm_select_section): Ditto. And use get_unnamed_section to
672 retrieve the progmem section.
673 * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
674 boundary to run over avr_addrspace[].
675 (avr_register_target_pragmas): Ditto.
677 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
679 Backport from 2013-01-07 trunk r194978.
682 * doc/install.texi (Cross-Compiler-Specific Options): Document
685 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
687 Backport from 2013-01-07 trunk r194968.
690 * config/avr/t-avr: Don't automatically rebuild
691 $(srcdir)/config/avr/t-multilib
692 $(srcdir)/config/avr/avr-tables.opt
693 (avr-mcus): New phony target to build them on request.
694 (s-avr-mlib): Remove.
695 * avr/avr-mcus.def: Adjust comments.
697 2013-01-07 Terry Guo <terry.guo@arm.com>
699 Backport from mainline
700 2012-12-19 Terry Guo <terry.guo@arm.com>
702 * config/arm/arm.c (thumb_find_work_register): Check argument
703 register number based on current PCS.
705 2013-01-06 Uros Bizjak <ubizjak@gmail.com>
707 Backport from mainline
708 2013-01-03 Uros Bizjak <ubizjak@gmail.com>
711 * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
712 selected code model, define __code_mode_small__, __code_model_medium__,
713 __code_model_large__, __code_model_32__ or __code_model_kernel__.
714 * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
715 xchg temporary register with %k. Declare temporary register as
717 [__x86_64__]: For medium and large code models, preserve %rbx register.
719 2013-01-03 Richard Henderson <rth@redhat.com>
721 * config/i386/i386.c (ix86_expand_move): Always assign to op1
722 after eliminating TLS symbols.
724 2013-01-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
727 * config/pa/pa.md (movsi): Revert previous change.
728 * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
731 2013-01-02 Rainer Emrich <rainer@emrich-ebersheim.de>
734 * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
737 2013-01-02 Jason Merrill <jason@redhat.com>
740 * tree.c (build_array_type_1): Revert earlier change.
742 2012-12-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
745 * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
748 2012-12-21 Martin Jambor <mjambor@suse.cz>
750 PR tree-optimization/55355
751 * tree-sra.c (type_internals_preclude_sra_p): Also check that
752 bit_position is small enough to fit a single HOST_WIDE_INT.
754 2012-12-21 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
756 * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.
758 2012-12-18 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
760 Backport from mainline
761 2012-10-15 Matthias Klose <doko@ubuntu.com>
763 * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
764 * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
766 2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
767 Tomash Brechko <tomash.brechko@gmail.com>
770 * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
771 handling of before and after cases.
772 * config/sparc/sync.md (atomic_store): Fix pasto.
774 2012-12-14 Yvan Roux <yvan.roux@linaro.org>
776 * optabs.c (expand_atomic_store): Elide redundant model test.
778 2012-12-13 Richard Henderson <rth@redhat.com>
781 * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
783 2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
786 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
787 (tldo_stb_sp64): Likewise.
788 (tldo_sth_sp32): Likewise.
789 (tldo_sth_sp64): Likewise.
790 (tldo_stw_sp32): Likewise.
791 (tldo_stw_sp64): Likewise.
792 (tldo_stx_sp64): Likewise.
794 2012-12-10 Kai Tietz <ktietz@redhat.com>
797 * print-tree.c (print_node): Cast from pointer via uintptr_t.
799 2012-12-07 Uros Bizjak <ubizjak@gmail.com>
801 Backport from mainline
802 2012-12-06 Uros Bizjak <ubizjak@gmail.com>
803 H.J. Lu <hongjiu.lu@intel.com>
806 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
807 before using it as insn or call equivalent.
809 2012-12-06 Jason Merrill <jason@redhat.com>
812 * tree.c (build_array_type_1): Re-layout if we found it in the
815 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
817 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
818 opaque cond in all call insns.
820 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
822 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
823 area if the function allocates dynamic stack space.
824 (ia64_initial_elimination_offset): Adjust offsets to above change.
826 2012-12-03 Richard Biener <rguenther@suse.de>
828 Backport from mainline
829 2012-09-24 Richard Guenther <rguenther@suse.de>
831 PR tree-optimization/53663
832 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
833 native encode/interpret translation on VN_WALKREWRITE.
835 2012-12-03 Kai Tietz <ktietz@redhat.com>
838 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
841 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
844 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
846 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
848 Backport from mainline:
849 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
852 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
853 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
854 (in_nullified_branch_delay): Likewise.
855 (in_call_delay): Likewise.
856 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
857 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
858 the $$sh_func_adrs call as variable. Update type of sibcalls and
860 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
861 length instead of adjustment. Handle negative and undefined call
862 adjustments for insn_default_length. Remove adjustment for millicode
863 insn with unfilled delay slot.
864 (pa_output_millicode_call): Update for revised millicode length.
865 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
867 2012-11-29 Kai Tietz <ktietz@redhat.com>
870 * prefix.c (lookup_key): Replace xmalloc/xrealloc
871 use by XNEWVEC/XRESIZEVEC.
873 * i386.c (get_scratch_register_on_entry): Handle
875 (split_stack_prologue_scratch_regno): Likewise.
876 (ix86_static_chain): Likewise.
877 (x86_output_mi_thunk): Likewise.
879 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
881 Backported from mainline
882 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
883 Markus Trippelsdorf <markus@trippelsdorf.de>
886 * lto-opts.c (lto_write_options): Also handle
887 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
888 OPT_SPECIAL_program_name.
891 * lto-wrapper.c (merge_and_complain): Handle
892 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
893 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
895 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
897 PR rtl-optimization/55489
898 * gcse.c (compute_transp): Precompute a canonical version
899 of XEXP (x, 0), and pass it to canon_true_dependence.
901 2012-11-27 Richard Biener <rguenther@suse.de>
904 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
905 stmt with a NOP instead of removing it.
907 2012-11-26 Richard Biener <rguenther@suse.de>
909 Backport from mainline
910 2012-10-19 Richard Biener <rguenther@suse.de>
912 PR tree-optimization/54976
913 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
914 Robustify against odd inner_mode inputs.
916 2012-10-12 Richard Biener <rguenther@suse.de>
918 PR tree-optimization/54894
919 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
920 Handle over-aligned scalar types properly.
922 2012-10-02 Richard Guenther <rguenther@suse.de>
925 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
928 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
930 Backport from mainline
931 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
933 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
934 explaining the register ordering preferences.
936 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
937 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
938 constraints so that the traditional floating point loads, stores,
939 and moves are done first, then the VSX loads, stores, and moves,
940 and finally the GPR loads, stores, and moves so that reload
941 chooses FPRs over GPRs, and uses the traditional load/store
942 instructions which provide an offset.
943 (movdf_hardfloat64): Likewise.
945 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
947 Backported from mainline
948 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
949 H.J. Lu <hongjiu.lu@intel.com>
952 * config/i386/i386.c (legitimize_pic_address): Properly handle
954 (ix86_print_operand_address): Set code to 'k' when forcing
955 addr32 prefix. For x32, zero-extend negative displacement if
958 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
960 * common.opt (fvar-tracking-uninit): Document.
961 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
962 * config/darwin.c (darwin_override_options): Likewise.
964 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
966 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
967 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
969 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
971 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
973 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
975 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
978 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
980 Backport from mainline
981 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
983 * config/i386/i386.c (ix86_init_machine_status): Do not
984 explicitly clear tls_descriptor_call_expanded_p again.
986 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
989 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
990 as read and written by the instruction.
992 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
994 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
995 (ix86_instantiate_decls): New function.
996 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
997 stack slot instead of SLOT_VIRTUAL.
998 <case IX86_BUILTIN_STMXCSR>: Ditto.
999 (assign_386_stack_local): Do not assert when virtual slot is valid.
1000 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
1001 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
1002 (truncxf<mode>2): Ditto.
1003 (floatunssi<mode>2): Ditto.
1004 (isinf<mode>2): Ditto.
1005 * config/i386/sync.md (atomic_load<mode>): Ditto.
1006 (atomic_store<mode>): Ditto.
1008 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
1011 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
1012 the argument is itself a conditional expression.
1014 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
1016 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
1019 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
1021 PR tree-optimization/54986
1022 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
1023 conversions on entry but add them back on exit if needed.
1025 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
1028 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
1030 (print_reg): Use true_regnum rather than REGNO.
1031 (ix86_print_operand_address): Remove SUBREG handling.
1033 2012-11-05 Jakub Jelinek <jakub@redhat.com>
1035 Backported from mainline
1036 2012-10-24 Jakub Jelinek <jakub@redhat.com>
1039 * gimple.h (is_gimple_sizepos): New inline function.
1040 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
1041 final assignment to expr variable.
1042 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
1043 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
1044 into a local temporary.
1046 2012-10-10 Jakub Jelinek <jakub@redhat.com>
1048 PR tree-optimization/54877
1049 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
1050 use make_ssa_name instead of copy_ssa_name.
1052 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
1054 Backport from mainline
1055 2012-10-31 Jakub Jelinek <jakub@redhat.com>
1057 PR tree-optimization/53708
1058 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
1059 user-supplied alignment when used with an explicit section name.
1061 2012-11-02 Jeff Law <law@redhat.com>
1063 PR tree-optimization/54985
1064 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
1065 from thread_across_edge.
1066 (thread_across_edge): Use it in all cases where we might thread
1069 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
1071 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
1072 special register pushes before frame probing and allocation.
1074 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
1075 Joel Sherrill <joel.sherrill@oarcorp.com>
1077 * config/sparc/t-rtems: New (Custom multilibs).
1078 * config/sparc/t-rtems-64: New (Custom multilibs).
1079 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
1080 (sparc-*-rtems*): Add sparc/t-rtems.
1082 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
1084 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
1086 (hash_rtx): Likewise.
1088 2012-10-29 Terry Guo <terry.guo@arm.com>
1090 Backport from mainline
1091 2012-10-11 Terry Guo <terry.guo@arm.com>
1093 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
1095 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
1098 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
1100 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
1101 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
1103 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
1105 * config/avr/t-rtems: Revert previous commit.
1107 2012-10-26 Terry Guo <terry.guo@arm.com>
1109 Backport from mainline
1110 2012-10-23 Terry Guo <terry.guo@arm.com>
1113 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
1116 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
1118 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
1120 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
1122 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1124 * config.gcc (microblaze*-*-rtems*): New target.
1125 * config/microblaze/rtems.h: New.
1126 * config/microblaze/t-rtems: New.
1128 2012-10-25 Richard Biener <rguenther@suse.de>
1130 PR tree-optimization/54902
1131 * tree-ssa-pre.c (fini_pre): Return TODO.
1132 (execute_pre): Adjust.
1133 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
1134 blocks before computing dominators.
1136 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
1138 Backport from mainline
1139 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
1141 * config/i386/i386.c (memory_address_length): Assert that non-null
1142 base or index RTXes are registers. Do not check for REG RTXes.
1143 Determine addr32 prefix using SImode_address_operand or
1144 from original base and index RTXes. Simplify code.
1146 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
1148 * config/i386/i386-protos.h (memory_address_length): Add new bool
1149 argument. Update all uses.
1150 * config/i386/i386.c (memory_address_length): If not LEA insn, then
1151 add length of addr32 prefix based on mode of base or index register.
1152 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
1153 addresses here. Update call to memory_address_length.
1154 (ix86_print_address_operand): Use SImode_address_operand predicate.
1155 * config/i386/predicates.md (SImode_address_operand): New.
1156 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
1157 to calculate "mode" attribute. Use SImode_address_operand predicate
1158 instead of open-coding accepted RTX codes.
1160 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
1162 Backport from 2012-10-22 trunk r192685.
1163 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
1164 Note __AVR_<device>__ is not defined for cores.
1165 Don't point to --help=target.
1166 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
1168 2012-10-19 Marek Polacek <polacek@redhat.com>
1170 Backported from mainline
1171 2012-10-19 Marek Polacek <polacek@redhat.com>
1174 * fold-const.c (fold_sign_changed_comparison): Punt if folding
1175 pointer/non-pointer comparison.
1177 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
1179 Backported from mainline
1180 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
1183 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
1184 sure the mode is correct when falling through from above cases.
1186 2012-10-19 Alan Modra <amodra@gmail.com>
1188 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
1189 (HAVE_LD_LARGE_TOC): Likewise.
1190 * configure: Regenerate.
1192 2012-10-19 Alan Modra <amodra@gmail.com>
1194 * config/rs6000/predicates.md (splat_input_operand): Don't call
1195 input_operand for MEMs. Instead check for volatile and call
1196 memory_address_addr_space_p with modified mode.
1198 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1200 Backported from mainline
1201 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
1203 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
1205 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
1207 PR rtl-optimization/54870
1208 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
1209 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
1210 SSA_NAME pointer that points to a partition if there is at least
1211 one variable with it set in the partition.
1212 * dse.c (local_variable_can_escape): New predicate.
1213 (can_escape): Call it.
1214 * gimplify.c (mark_addressable): If this is a partitioned decl, also
1215 mark the SSA_NAME pointer that points to a partition.
1217 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
1219 Backport from mainline
1220 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
1222 PR rtl-optimization/53701
1223 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
1224 rocess not only expr's vinsns but all old vinsns from expr's
1227 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
1229 Backport from mainline
1230 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
1233 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
1235 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
1236 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
1237 only if producer writes to the register given by regno.
1239 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
1241 Backport from mainline
1242 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
1244 * config/i386/sse.md (UNSPEC_MOVU): Remove.
1245 (UNSPEC_LOADU): New.
1246 (UNSPEC_STOREU): Ditto.
1247 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
1248 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
1249 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
1250 (<sse2>_movdqu<avxsizesuffix>): Split to ...
1251 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
1252 (<sse2>_storedqu<avxsizesuffix>): ... this.
1253 (*sse4_2_pcmpestr_unaligned): Update.
1254 (*sse4_2_pcmpistr_unaligned): Ditto.
1256 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
1257 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
1258 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
1259 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
1260 gen_sse2_load{dqu,upd} to load from unaligned memory and
1261 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
1263 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
1264 Use CODE_FOR_sse_loadups.
1265 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
1266 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
1267 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
1268 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
1269 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
1270 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
1271 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
1272 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
1273 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
1274 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
1275 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
1277 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
1279 Backport from trunk (r190222):
1281 PR tree-optimization/54146
1282 * ifcvt.c: Include pointer-set.h.
1283 (cond_move_process_if_block): Change type of then_regs and
1284 else_regs from alloca'd array to pointer_sets.
1285 (check_cond_move_block): Update for this change.
1286 (cond_move_convert_if_block): Likewise.
1287 * Makefile.in: Fix dependencies for ifcvt.o.
1289 2012-10-15 Richard Guenther <rguenther@suse.de>
1291 PR tree-optimization/54920
1292 * tree-ssa-pre.c (create_expression_by_pieces): Properly
1293 allocate temporary storage for all NARY elements.
1295 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
1298 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
1300 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
1302 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
1303 default_use_cxa_atexit to yes.
1305 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1307 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
1309 2012-10-05 Jan Hubicka <jh@suse.cz>
1310 Jakub Jelinek <jakub@redhat.com>
1312 PR tree-optimization/33763
1313 * tree-inline.c (expand_call_inline): Silently ignore always_inline
1314 attribute for redefined extern inline functions.
1316 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
1318 Backported from mainline
1319 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
1321 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
1322 in SSE and YMM state support check for -march=native.
1324 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
1327 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
1330 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1332 Backported from mainline
1333 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1336 * doc/invoke.texi: Document -mprefer-avx128.
1338 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1340 Backported from mainline
1341 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1344 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
1345 (XSTATE_FP): Likewise.
1346 (XSTATE_SSE): Likewise.
1347 (XSTATE_YMM): Likewise.
1348 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
1349 SSE and YMM states aren't supported.
1351 2012-10-01 Tom de Vries <tom@codesourcery.com>
1353 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
1356 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1359 * config/s390/s390.c (s390_option_override): Add missing break.
1361 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1363 Backport from mainline
1364 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1366 * config.gcc: Replace 'host' with 'target' when configuring for
1367 powerpc64*-*-freebsd.
1369 2012-09-28 Meador Inge <meadori@codesourcery.com>
1371 Backport from mainline
1372 2012-09-27 Meador Inge <meadori@codesourcery.com>
1374 * gcc-ar.c (main): Handle the returning of the sub-process error
1377 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
1379 Backport from 2012-09-28 trunk r191821.
1380 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
1382 2012-09-27 Jakub Jelinek <jakub@redhat.com>
1385 * simplify-rtx.c (simplify_binary_operation_1): Perform
1386 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
1388 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
1390 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
1391 TYPE_NONALIASED_COMPONENT flag.
1392 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
1393 TYPE_NONALIASED_COMPONENT flag.
1395 2012-09-21 Richard Guenther <rguenther@suse.de>
1398 Backport from mainline
1399 2012-04-19 Richard Guenther <rguenther@suse.de>
1401 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
1404 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1407 * c-typeck.c (c_cast_expr): When casting to a type requiring
1408 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
1411 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1414 * c-typeck.c (build_unary_op): Pass original argument of
1415 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
1416 any C_MAYBE_CONST_EXPR, if it has integer operands.
1417 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
1418 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
1419 to c_objc_common_truthvalue_conversion, then remove any
1420 C_MAYBE_CONST_EXPR, if they have integer operands. Use
1421 c_objc_common_truthvalue_conversion not
1422 c_common_truthvalue_conversion.
1423 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
1424 call note_integer_operands for arguments with integer operands
1425 that are not integer constants.
1427 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1429 Backported from mainline
1430 2012-09-17 Jakub Jelinek <jakub@redhat.com>
1432 PR tree-optimization/54563
1433 * tree-ssa-math-opts.c (execute_cse_sincos): Call
1434 gimple_purge_dead_eh_edges if last call has been changed.
1436 2012-09-14 Jakub Jelinek <jakub@redhat.com>
1439 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
1440 instead of (match_dup 0) as second argument to vec_merge.
1441 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
1442 Remove third alternative.
1443 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
1444 operand 2 instead of operand 1, but put it as first argument
1446 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
1447 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
1450 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1452 * BASE-VER: Set to 4.7.3.
1453 * DEV-PHASE: Set to prerelease.
1455 2012-09-20 Release Manager
1457 * GCC 4.7.2 released.
1459 2012-09-15 Andi Kleen <ak@linux.intel.com>
1461 Backport from mainline
1462 2012-09-07 Andi Kleen <ak@linux.intel.com>
1464 * gcc/lto-streamer.h (res_pair): Add.
1465 (lto_file_decl_data): Replace resolutions with respairs.
1467 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
1468 Initialize respairs.
1469 (lto_file_finalize): Set up resolutions vector lazily from respairs.
1471 2012-09-14 Walter Lee <walt@tilera.com>
1473 Backport from mainline.
1474 2012-09-14 Walter Lee <walt@tilera.com>
1476 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
1477 option for TILEPro and TILE-Gx.
1479 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
1481 * config/i386/i386.h (x86_prefetchw): New global variable.
1482 (TARGET_PREFETCHW): New macro.
1483 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
1484 (processor_alias_table): Add PTA_PREFETCHW to
1485 bdver1, bdver2 and btver1.
1486 (ix86_option_override_internal): Set x86_prefetchw for
1487 PTA_PREFETCHW targets.
1488 * config/i386/i386.md (prefetch): Expand to prefetchw
1489 for TARGET_PREFETCHW.
1490 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
1492 Backport from mainline
1493 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
1495 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
1496 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
1498 (*prefetch_sse): ... this.
1499 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
1501 (*prefetch_3dnow): ... this.
1503 2012-09-13 Jakub Jelinek <jakub@redhat.com>
1506 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
1507 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
1509 2012-09-12 Teresa Johnson <tejohnson@google.com>
1511 Backport from mainline.
1512 2012-09-12 Teresa Johnson <tejohnson@google.com>
1514 PR gcov-profile/54487
1515 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
1516 test using F_SETLKW with fcntl.
1517 * configure, config.in: Regenerate.
1519 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
1521 Backport from mainline
1522 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1524 * config/i386/i386.md : Comments on fma4 instruction selection
1525 reflect requirement on register pressure based cost model.
1527 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
1528 flag is set-reset as informed by the cpuid flag.
1530 * config/i386/i386.c (processor_alias_table): fma4
1531 flag is enabled for bdver2.
1533 2012-09-12 Christian Bruel <christian.bruel@st.com>
1535 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
1537 2012-09-12 Jakub Jelinek <jakub@redhat.com>
1539 * config.gcc: Obsolete picochip-*.
1541 2012-09-11 Richard Guenther <rguenther@suse.de>
1544 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
1545 on flag_toplevel_reorder.
1547 2012-09-10 Richard Henderson <rth@redhat.com>
1549 * config/alpha/predicates.md (small_symbolic_operand): Disallow
1552 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
1554 Backport from 2012-09-10 mainline r191132.
1557 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
1559 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
1562 * tree-sra.c (disqualify_base_of_expr): Check for possible
1563 NULL_TREE returned by get_base_address()
1565 2012-09-07 Richard Guenther <rguenther@suse.de>
1567 Backport from mainline
1568 2012-06-26 Jan Hubicka <jh@suse.cz>
1571 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
1574 2012-09-07 Richard Guenther <rguenther@suse.de>
1576 Backport from mainline
1577 2012-07-13 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/53922
1580 * tree-vrp.c (value_inside_range): Change prototype to take
1581 min/max instead of value-range.
1582 (range_includes_zero_p): Likewise. Return the result from
1584 (extract_range_from_binary_expr_1): Adjust to handle dont-know
1585 return value from range_includes_zero_p.
1586 (extract_range_from_unary_expr_1): Likewise.
1587 (compare_range_with_value): Likewise.
1588 (vrp_meet_1): Likewise.
1590 2012-09-07 Richard Guenther <rguenther@suse.de>
1593 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
1594 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
1595 arguments separately.
1597 2012-09-07 Jakub Jelinek <jakub@redhat.com>
1599 Backported from mainline
1600 2012-09-06 Jakub Jelinek <jakub@redhat.com>
1602 PR rtl-optimization/54455
1603 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
1604 bb ends up with asm goto referencing bb's label.
1606 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1608 Backport from mainline.
1609 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1610 Richard Earnshaw <richard.earnshaw@arm.com>
1613 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
1614 element size. Use elem_type from the formal parameter. New parameter
1616 (neon_expand_args): Adjust call to neon_dereference_pointer.
1618 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
1620 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
1621 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
1623 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
1625 Backport from mainline
1626 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1628 * config/i386/i386.md (isa): Add fma and fma4.
1629 (enabled): Handle fma and fma4.
1630 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
1631 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
1632 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
1633 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
1634 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
1635 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
1637 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
1639 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
1640 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
1641 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
1643 2012-09-06 Richard Guenther <rguenther@suse.de>
1645 PR tree-optimization/54498
1646 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
1647 abort when reaching an already visited region.
1648 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
1649 (get_continuation_for_phi_1): Likewise.
1650 (walk_non_aliased_vuses): When we translated the reference,
1651 abort when we re-visit a region.
1652 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
1654 2012-09-06 Andrew Pinski <apinski@cavium.com>
1657 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
1659 2012-09-05 Jakub Jelinek <jakub@redhat.com>
1662 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
1663 build_int_cst with size_type_node instead of size_int.
1665 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
1667 Backport from 2012-09-05 mainline r190697.
1670 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
1671 configured --with-avrlibc.
1672 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
1674 * config/avr/avrlibc.h: New file.
1675 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
1676 configured --with-avrlibc.
1677 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
1679 2012-09-05 Bin Cheng <bin.cheng@arm.com>
1681 Backport from 2012-09-04 mainline r190919
1684 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
1685 of size less than 4 bytes by using macro ARM_NUM_INTS.
1686 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
1688 2012-09-04 Richard Henderson <rth@redhat.com>
1690 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
1692 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
1694 Backport from 2012-09-04 mainline r190920
1697 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
1699 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1701 Backport from 2012-09-04 mainline r190914
1704 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
1706 (avr_allocate_stack_slots_for_args): ...this new static function.
1708 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
1710 Backported from mainline
1711 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
1714 * doc/invoke.texi: Add -da and remove -dm.
1716 2012-09-03 Jakub Jelinek <jakub@redhat.com>
1718 Backported from mainline
1719 2012-09-01 Jakub Jelinek <jakub@redhat.com>
1722 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
1723 operands[1] is CONST_INT_P, convert it to QImode before printing.
1725 2012-08-31 Jakub Jelinek <jakub@redhat.com>
1728 * c-convert.c (convert): Don't call fold_convert_loc if
1729 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
1730 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
1731 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
1733 2012-08-24 Jakub Jelinek <jakub@redhat.com>
1736 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
1737 if init is a CONSTRUCTOR.
1739 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
1741 PR rtl-optimization/54369
1742 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
1743 calling dbr_schedule.
1744 * config/sparc/sparc.c (sparc_reorg): Likewise.
1746 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
1748 Backport from mainline
1749 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
1751 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
1752 case for Atom processor.
1754 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
1756 Backport from mainline
1757 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
1761 true for TARGET_64BIT or !flag_pic.
1762 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
1763 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
1764 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
1765 Add insn constraint. Conditionally emit xchg asm insns.
1766 (atomic_compare_and_swap<mode>): Update calls. Check only
1767 cmpxchg8b_pic_memory_operand in memory address fixup.
1769 (CASHMODE): Rename from DCASHMODE.
1770 (doublemodesuffix): Update modes.
1771 (regprefix): New mode attribute.
1773 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
1774 <UNSPECV_CMPXCHG>: New constant.
1775 (atomic_compare_and_swap<mode>_1): Rename from
1776 atomic_compare_and_swap_single<mode>. Update calls and
1777 unspec_volatile constants.
1778 (atomic_compare_and_swap<mode>_doubleword): Rename from
1779 atomic_compare_and_swap_double<mode>. Update calls and
1780 unspec_volatile constants.
1782 2012-08-28 Walter Lee <walt@tilera.com>
1784 Backport from mainline
1785 2012-08-28 Walter Lee <walt@tilera.com>
1787 * confg/tilegx/tilegx.md: Fix code style.
1788 (*zero_extendsidi_truncdisi): Fix typo.
1789 * config/tilegx/tilegx.c: Fix code style.
1790 (tilegx_function_profiler): Fix typo.
1792 2012-08-27 Walter Lee <walt@tilera.com>
1794 Backport from mainline
1795 2012-08-27 Walter Lee <walt@tilera.com>
1797 * doc/md.texi (TILE-Gx): Fix typo.
1799 2012-08-27 Walter Lee <walt@tilera.com>
1801 Backport from mainline
1802 2012-08-27 Walter Lee <walt@tilera.com>
1804 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
1805 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
1807 2012-08-27 Walter Lee <walt@tilera.com>
1809 Backport from mainline
1810 2012-08-27 Walter Lee <walt@tilera.com>
1812 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
1813 (insn_bfins): Delete.
1815 2012-08-27 Walter Lee <walt@tilera.com>
1817 Backport from mainline
1818 2012-08-27 Walter Lee <walt@tilera.com>
1820 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
1821 atomic_exchange_bare<mode>,
1822 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
1823 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
1824 * config/tilegx/tilegx.md (type): Add X1_remove.
1825 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
1826 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
1827 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
1830 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
1832 PR rtl-optimization/54088
1833 * jump.c (delete_related_insns): Robustify latest change.
1835 2012-08-21 Richard Guenther <rguenther@suse.de>
1837 Backport from mainline
1838 2012-08-16 Richard Guenther <rguenther@suse.de>
1841 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
1843 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
1844 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
1845 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
1846 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
1847 (tree_ssa_lim_finalize): Free all mem_refs.
1848 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
1849 scc when bailing out.
1850 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
1851 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
1852 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
1853 FOR_EACH_LOOP_BREAK.
1855 2012-08-17 Richard Guenther <rguenther@suse.de>
1857 * tree-sra.c (modify_function): Free redirect_callers vector.
1858 * ipa-split.c (split_function): Free args_to_pass vector.
1859 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
1861 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
1862 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
1863 (vect_analyze_slp_instance): Free everything.
1864 (destroy_bb_vec_info): Free the SLP instances.
1866 2012-08-17 Richard Guenther <rguenther@suse.de>
1868 * params.def (integer-share-limit): Decrease from 256 to 251,
1871 2012-08-21 Richard Guenther <rguenther@suse.de>
1873 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
1874 the affine expansion cache.
1876 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1878 Backported from trunk
1879 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1882 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
1884 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1886 Backport from mainline.
1887 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1890 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
1891 mark as predicable. Adjust asm template.
1892 (vec_setv2di_internal): Likewise.
1893 (vec_extract<mode> VD, VQ): Likewise.
1894 (vec_extractv2di): Likewise.
1895 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
1896 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
1897 (neon_vdup_n<mode> VX, V32): Likewise.
1898 (neon_vdup_nv2di): Likewise.
1900 2012-08-17 Walter Lee <walt@tilera.com>
1902 Backport from mainline
1903 2012-08-17 Walter Lee <walt@tilera.com>
1905 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
1906 (FEEDBACK_ENTER): Define.
1907 (FEEDBACK_REENTER): Define.
1908 (FEEDBACK_ENTRY): Define.
1909 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
1910 (FEEDBACK_ENTER): Define.
1911 (FEEDBACK_REENTER): Define.
1912 (FEEDBACK_ENTRY): Define.
1914 2012-08-16 Walter Lee <walt@tilera.com>
1916 Backport from mainline
1917 2012-08-16 Walter Lee <walt@tilera.com>
1919 * config.gcc (tilegx-*-linux*): Add feedback.h.
1920 (tilepro-*-linux*): Likewise.
1921 * config/tilegx/feedback.h: New file.
1922 * config/tilepro/feedback.h: New file.
1924 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
1926 Backport from mainline r189840 and r187586:
1927 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
1929 * config/i386/i386.md (stack_protect_set): Disable the pattern
1930 for Android since Android libc (bionic) does not provide random
1931 value for stack protection guard at gs:0x14. Guard value
1932 will be provided from external symbol (default implementation).
1933 (stack_protect_set_<mode>): Likewise.
1934 (stack_protect_test): Likewise.
1935 (stack_protect_test_<mode>): Likewise.
1936 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
1937 not have Bionic by default
1938 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
1939 Macro OPTION_BIONIC is defined in this file and provides Bionic
1940 accessibility status
1942 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
1944 * configure.ac: Stack protector enabling for Android targets.
1945 * configure: Regenerate.
1947 2012-08-13 Jakub Jelinek <jakub@redhat.com>
1949 Backported from trunk
1950 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1952 PR rtl-optimization/53942
1953 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
1954 directly from likely spilled non-fixed hard registers, move them
1957 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1959 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
1960 (xop_phaddubq): Ditto.
1962 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1964 Backport from mainline
1965 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
1966 Richard Earnshaw <rearnsha@arm.com>
1968 * target.def (vector_alignment): New target hook.
1969 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
1970 * doc/tm.texi: Regenerate.
1971 * targhooks.c (default_vector_alignment): New function.
1972 * targhooks.h (default_vector_alignment): Add prototype.
1973 * stor-layout.c (layout_type): Use targetm.vector_alignment.
1974 * config/arm/arm.c (arm_vector_alignment): New function.
1975 (TARGET_VECTOR_ALIGNMENT): Define.
1977 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
1978 vector type alignment instead of size.
1979 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
1980 element type size directly instead of computing it from alignment.
1981 Fix variable naming and comment.
1983 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1985 Backport from mainline
1986 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1988 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
1989 (alpha_pad_function_end): ... this. Also insert NOP between
1990 sibling call and GP load.
1991 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
1993 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
1995 Backport from mainline
1996 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
1997 H.J. Lu <hongjiu.lu@intel.com>
1999 PR rtl-optimization/54157
2000 * combine.c (gen_lowpart_for_combine): Don't return identity
2001 for CONST or symbolic reference.
2003 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
2005 Backport from mainline
2006 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
2008 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
2009 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
2010 split_cost argument signed.
2011 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
2012 (ix86_avoid_lea_for_addr): Ditto.
2014 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
2016 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
2017 the address has less than two components.
2019 2012-08-02 Steve Ellcey <sellcey@mips.com>
2021 Backport from mainline
2022 2012-07-19 Steve Ellcey <sellcey@mips.com>
2024 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
2027 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
2029 Backport from mainline
2030 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
2033 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
2034 negative constant address for TARGET_X32 ...
2035 (ix86_decompose_address): ... here. Reject constant addresses
2036 that don't satisfy x86_64_immediate_operand predicate.
2038 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
2041 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
2042 * config/i386/i386.c (ix86_print_operand_address): Ditto.
2043 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
2044 addresses. Prevent zero extensions of CONST_INT operands.
2046 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
2049 * config/i386/i386.md (*lea): New insn pattern.
2051 (*lea<mode>_2): Ditto.
2052 (*lea_{3,4,5,6}_zext): Ditto.
2053 * config/i386/predicates.md (lea_address_operand): Do not reject
2054 zero-extended address operands.
2055 * config/i386/constraints.md (j): Remove address constraint.
2056 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
2058 (ix86_print_operand_address): Handle SImode subreg of an address.
2059 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
2061 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2063 Backport from mainline
2064 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
2067 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2068 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2070 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2071 (*movdi_internal_rex64): Use %E operand modifier for lea.
2072 (*movsi_internal): Ditto.
2074 (*lea<mode>_2): Ditto.
2075 (*lea_{3,4,5,6}_zext): Ditto.
2076 (*tls_global_dynamic_32_gnu): Ditto.
2077 (*tls_global_dynamic_64): Ditto.
2078 (*tls_dynamic_gnu2_lea_32): Ditto.
2079 (*tls_dynamic_gnu2_lea_64): Ditto.
2080 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2082 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2084 Backport from mainline
2085 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2087 * config/i386/i386.c (ix86_address_subreg_operand): Reject
2089 (ix86_print_operand_address): Assert that parts.base and parts.index
2090 are non-NULL after call to simplify_subreg.
2092 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
2095 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
2097 * config/sh/sh.c (sh_option_override): Do not change
2098 flag_finite_math_only. Set TARGET_IEEE to complement of
2099 flag_finite_math_only.
2100 * doc/invoke.texi (SH options): Add mno-ieee. Correct
2101 description of mieee and mno-ieee behavior.
2103 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
2106 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
2107 (_lzcnt_u64): Ditto.
2109 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
2111 Backport from mainline
2112 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
2114 PR rtl-optimization/52250
2115 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
2116 to put note list into. Unconditionally call move_bb_info.
2117 (move_bb_info): Do not assert the blocks being in the same region,
2118 just drop the note list if they are not.
2120 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2122 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
2124 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2126 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
2127 defining statement is a SSA name that occurs in abnormal PHIs.
2129 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2131 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
2134 2012-07-19 Richard Guenther <rguenther@suse.de>
2135 Eric Botcazou <ebotcazou@adacore.com>
2137 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
2138 about transition from invariant to known bits.
2139 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
2141 2012-07-19 Jakub Jelinek <jakub@redhat.com>
2144 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
2145 (cleanup_tree_cfg_bb): Don't call it.
2146 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
2149 2012-07-19 Christian Bruel <christian.bruel@st.com>
2152 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
2154 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
2156 * config.gcc (v850-*-rtems*): New target.
2157 * config/v850/rtems.h: New.
2158 * config/v850/t-rtems: New.
2160 2012-07-18 Nick Clifton <nickc@redhat.com>
2162 * doc/invoke.texi (ARM Options): Document -munaligned-access.
2164 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
2168 Backport from mainline
2169 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2172 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
2173 instead expand it as zero extension.
2175 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
2177 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
2178 QImode and HImode splitters. Use ix86_comparison_operator.
2179 Explicitly match FLAGS_REG.
2180 (DFmode cmove splitter): Explicitly match FLAGS_REG.
2182 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
2183 Steven Bosscher <steven@gcc.gnu.org>
2184 Bernd Schmidt <bernds@codesourcery.com>
2186 PR rtl-optimization/53908
2187 * df-problems.c (can_move_insns_across): When doing
2188 memory-reference book-keeping, handle call insns.
2190 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
2192 Backport from mainline
2193 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
2196 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
2197 sibcall_insn_operand. Move it to a temporary register if not.
2199 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
2202 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
2203 emit PIC sequence for fnaddr symbol reference in advance.
2205 2012-07-09 Jason Merrill <jason@redhat.com>
2208 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
2209 (type_hash_eq): Likewise.
2212 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
2214 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
2216 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
2217 due to negative shift amount.
2219 2012-07-06 Kai Tietz <ktietz@redhat.com>
2221 Backport from mainline.
2223 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
2224 as "/mingw/include".
2226 2012-07-06 Nick Clifton <nickc@redhat.com>
2228 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
2229 default_encode_section_info.
2231 2012-07-06 Richard Guenther <rguenther@suse.de>
2233 Backport from mainline
2234 2012-03-30 Richard Guenther <rguenther@suse.de>
2237 * double-int.c (rshift_double): Remove not needed cast.
2239 2012-03-28 Richard Guenther <rguenther@suse.de>
2242 * double-int.h (rshift_double): Remove.
2243 * double-int.c (lshift_double): Use absu_hwi to make count
2245 (rshift_double): Make static, take unsigned count argument,
2246 remove handling of negative count argument.
2247 (double_int_rshift): Dispatch to lshift_double.
2249 2012-07-06 Richard Guenther <rguenther@suse.de>
2251 Backport from mainline
2252 2012-06-18 Richard Guenther <rguenther@suse.de>
2254 PR tree-optimization/53693
2255 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
2256 Reject operands with more than one use.
2258 2012-07-06 Richard Guenther <rguenther@suse.de>
2260 Backport from mainline
2261 2012-04-11 Richard Guenther <rguenther@suse.de>
2264 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
2265 consider loop nesting.
2266 (evolution_function_is_univariate_p): Properly check the remainder
2269 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
2271 Backport from mainline
2272 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
2274 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2275 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
2276 (adjacent_mem_locations): Move some code to and call...
2277 (get_memref_parts): ...new function.
2278 (mem_locations_overlap): New function.
2279 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
2280 (is_mem_ref): Rename to...
2281 (find_mem_ref): ...this. Return MEM rtx.
2282 (get_store_dest): Remove function.
2283 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
2284 new parameter and adjust calls.
2285 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
2286 mem refs overlap for true_store_to_load_dep_costly.
2287 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
2288 passed to adjacent_mem_locations.
2289 (is_costly_group): Walk resolved dependency list.
2290 (force_new_group): Emit group ending nop for Power6/Power7.
2291 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
2292 (group_ending_nop): New define_insn.
2294 2012-07-04 Richard Guenther <rguenther@suse.de>
2297 * gimple-fold.c (get_base_constructor): Do not return an
2298 error_mark_node DECL_INITIAL.
2300 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
2302 Backport from mainline
2303 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
2305 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
2306 code model string in the error message.
2308 2012-07-04 Tristan Gingold <gingold@adacore.com>
2310 Backport from mainline.
2311 2012-06-25 Tristan Gingold <gingold@adacore.com>
2313 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
2314 (seh_cfa_adjust_cfa): ... that function.
2315 (seh_emit_stackalloc): Do not emit out of range values.
2316 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
2317 UNSPEC_DEF_CFA constants.
2318 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
2319 * config/i386/i386.c (ix86_frame_pointer_required): Required
2320 for very large frames on SEH target.
2321 (ix86_compute_frame_layout): Save area is before frame pointer
2322 on SEH target. Handle very large frames.
2323 (ix86_expand_prologue): Likewise.
2325 2012-07-04 Richard Guenther <rguenther@suse.de>
2327 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
2328 as in free_lang_data_in_type.
2330 2012-07-02 Martin Jambor <mjambor@suse.cz>
2332 Backport from mainline.
2333 2012-07-02 Martin Jambor <mjambor@suse.cz>
2336 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
2337 dynamic type change check.
2339 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
2341 * tree-eh.c (lower_try_finally_switch): Really put the location of the
2342 last statement of the finally block onto the switch.
2344 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2346 * configure: Regenerate.
2348 Backport from mainline.
2349 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2351 * config.gcc (target_type_format_char): New. Document it. Set it for
2353 * configure.ac (gnu_unique_option): Use target_type_format_char
2354 in test. Comment rationale.
2356 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2358 Backport from mainline.
2359 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2361 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
2363 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
2365 Backport from 2012-06-28 mainline r189049
2368 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
2369 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
2370 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
2371 avr_hard_regno_call_part_clobbered.
2373 2012-06-28 Richard Guenther <rguenther@suse.de>
2376 * expr.c (expand_expr_real_1): Verify if the type is complete
2377 before inspecting its size.
2379 2012-06-27 Nick Clifton <nickc@redhat.com>
2381 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
2384 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
2387 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
2389 2012-06-26 Nick Clifton <nickc@redhat.com>
2391 * config/rx/rx.md (simple_return): Use the simple_return rtx.
2393 2012-06-25 Jakub Jelinek <jakub@redhat.com>
2396 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
2397 of x x x in the vmovlps load alternative.
2399 2012-06-22 Richard Guenther <rguenther@suse.de>
2401 * gcov-iov.c: Include bconfig.h and system.h.
2403 2012-06-22 Richard Guenther <rguenther@suse.de>
2405 PR gcov-profile/53744
2406 * gcov-iov.c (main): Treat "" and "prerelease" the same.
2408 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
2410 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
2411 DECL_IGNORED_P non-reg vars even if they are used.
2413 2012-06-19 Jason Merrill <jason@redhat.com>
2416 * dwarf2out.c (modified_type_die): Use scope_die_for.
2417 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2418 (uses_local_type_r, uses_local_type): New.
2419 (scope_die_for): Keep a type that uses a local type in local scope.
2420 Use get_context_die for namespace and type scope.
2422 2012-06-19 Richard Guenther <rguenther@suse.de>
2425 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2426 replace it with the first non-BLOCK context.
2428 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
2430 PR rtl-optimization/53700
2432 Backport from mainline
2433 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
2435 * ira-color.c (setup_left_conflict_sizes_p): Process all
2436 conflicting objects.
2438 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2440 Backport from mainline
2441 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
2444 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
2445 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
2446 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
2447 instead of xop_mulv2div2di3_low.
2448 (xop_p<macs>dql): Fix vec_select selector.
2449 (xop_p<macs>dqh): Ditto.
2450 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
2451 (xop_mulv2div2di3_high): Ditto.
2453 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2455 Backport from mainline:
2456 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2458 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
2460 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2462 Backport from mainline:
2463 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2465 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
2466 * config/pa/pa.c (pa_attr_length_millicode_call): Use
2467 MAX_PCREL17F_OFFSET instead of fixed offset.
2468 (pa_attr_length_call): Likewise.
2469 (pa_attr_length_indirect_call): Likewise.
2471 2012-06-15 Walter Lee <walt@tilera.com>
2473 Backport from mainline:
2474 2012-06-15 Walter Lee <walt@tilera.com>
2476 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
2478 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
2480 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
2482 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
2484 Backport from mainline:
2486 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
2487 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
2488 * gimple.h (block_in_transaction): Check for flag_tm.
2490 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
2492 PR tree-optimization/52558
2494 Backport from mainline:
2495 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
2496 * gimple.h (gimple_set_in_transaction): Remove.
2497 (gimple_in_transaction): Look in BB instead.
2498 (gimple_statement_base): Remove in_transaction field.
2499 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
2500 * trans-mem.c (compute_transaction_bits): Place transaction bit
2501 information into basic blocks.
2503 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
2505 PR tree-optimization/52558
2506 * cfg.c (alloc_aux_for_edge): Fix comment.
2507 (alloc_aux_for_edge): Remove static.
2508 * basic-block.h (alloc_aux_for_edge): Protoize.
2509 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
2510 (execute_sm_if_changed_flag): New.
2511 (execute_sm_if_changed_flag_set): New.
2512 (execute_sm): Do not generate data races unless requested.
2513 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
2514 (tree_ssa_lim_finalize): Call free_aux_for_edges.
2515 * gimple.h (block_in_transaction): New.
2516 (gimple_in_transaction): Use block_in_transaction.
2518 2012-06-14 Jakub Jelinek <jakub@redhat.com>
2520 Backported from mainline
2521 2012-06-12 Jakub Jelinek <jakub@redhat.com>
2523 PR rtl-optimization/53589
2524 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
2525 discovery even when e->dest != target. If any LABEL_REF points
2526 to e->dest label, redirect it to target's label.
2528 2012-06-07 Jakub Jelinek <jakub@redhat.com>
2531 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
2532 returns false, replace stmt with GIMPLE_NOP.
2533 (check_omp_nesting_restrictions): Instead of issuing warnings,
2534 issue errors and return false if any errors were reported.
2536 2012-06-14 Richard Guenther <rguenther@suse.de>
2538 * BASE-VER: Set to 4.7.2.
2539 * DEV-PHASE: Set to prerelease.
2541 2012-06-12 Christian Bruel <christian.bruel@st.com>
2544 * config/sh/sh.c (sh_option_override): Don't force
2545 flag_omit_frame_pointer and maccumulate_outgoing_args.
2546 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
2548 2012-06-14 Release Manager
2550 * GCC 4.7.1 released.
2552 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
2554 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
2556 2012-06-13 Richard Henderson <rth@redhat.com>
2558 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
2559 iterator instead of INT.
2561 2012-06-08 Richard Henderson <rth@redhat.com>
2564 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
2565 note to a clobber insn when no other insn is available.
2567 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2570 * doc/invoke.texi (Wenum-compare): Update documentation.
2572 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
2575 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
2577 (altivec_stvlxl): Ditto.
2578 (altivec_stvrx): Ditto.
2579 (altivec_stvrxl): Ditto.
2581 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
2584 * trans-mem.c (expand_block_edges): Do not skip the first
2585 statement when resetting the BB.
2587 2012-06-04 Richard Guenther <rguenther@suse.de>
2590 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
2591 create new assembler names.
2593 2012-06-04 Richard Guenther <rguenther@suse.de>
2595 Backport from mainline
2596 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2599 * stor-layout.c (get_best_mode): Don't return mode with bitsize
2600 larger than maxbits. Don't compute maxbits modulo align.
2601 Also check that unit bytes long store at bitpos / unit * unit
2602 doesn't affect bits beyond bitregion_end.
2603 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
2604 would not fit into bitregion_start ... bitregion_end + 1 bit
2606 (store_split_bit_field): Decrease unit close to end of bitregion_end
2607 if access is restricted in order to avoid mutual recursion.
2609 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
2611 Backport from 2012-06-04 mainline r188172
2614 * config/avr/avr-stdint.h: New file.
2615 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
2618 2012-06-04 Jakub Jelinek <jakub@redhat.com>
2620 PR tree-optimization/53550
2621 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
2622 is POINTER_TYPE_P, use sizetype as step type instead of type.
2624 2012-06-04 Richard Guenther <rguenther@suse.de>
2625 Eric Botcazou <ebotcazou@adacore.com>
2627 Backport from mainline
2628 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
2630 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
2631 Change type of BITOFFSET to signed. Make sure the lower bound of
2632 the computed range is non-negative by adjusting OFFSET and BITPOS.
2633 (expand_assignment): Adjust call to get_bit_range.
2635 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2637 * expr.c (get_bit_range): Return the null range if the enclosing record
2638 is part of a larger bit field.
2640 2012-03-20 Richard Guenther <rguenther@suse.de>
2642 * stor-layout.c (finish_bitfield_representative): Fallback
2643 to conservative maximum size if the padding up to the next
2644 field cannot be computed as a constant.
2645 (finish_bitfield_layout): If we cannot compute the distance
2646 between the start of the bitfield representative and the
2647 bitfield member start a new representative.
2648 * expr.c (get_bit_range): The distance between the start of
2649 the bitfield representative and the bitfield member is zero
2650 if the field offsets are not constants.
2652 2012-03-16 Richard Guenther <rguenther@suse.de>
2654 * stor-layout.c (finish_bitfield_representative): Fall back
2655 to the conservative maximum size if we cannot compute the
2656 size of the tail padding.
2658 2012-03-14 Richard Guenther <rguenther@suse.de>
2660 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
2661 * stor-layout.c (start_bitfield_representative): New function.
2662 (finish_bitfield_representative): Likewise.
2663 (finish_bitfield_layout): Likewise.
2664 (finish_record_layout): Call finish_bitfield_layout.
2665 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
2666 for QUAL_UNION_TYPE fields.
2667 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2668 Stream DECL_BIT_FIELD_REPRESENTATIVE.
2669 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2674 * expr.c (get_bit_range): Unconditionally extract bitrange
2675 from DECL_BIT_FIELD_REPRESENTATIVE.
2676 (expand_assignment): Adjust call to get_bit_range.
2678 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
2681 * fold-const.c (fold_binary_loc): Refine previous change.
2683 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2685 Backport from mainline
2686 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
2689 * config/sh/sh.c (find_barrier): Add equality check of last_got to
2690 avoid going above orig insn. Update comments.
2692 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2694 Backport from mainline
2695 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
2698 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
2699 prologue for unwinder and profiler.
2701 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2703 Backport from mainline
2704 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2706 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
2708 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2710 Backport from mainline
2711 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2713 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
2714 DBX_REGISTER_NUMBER.
2716 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2718 Backport from mainline
2719 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2721 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
2722 operand is CONST_INT. Take COSTS_N_INSNS into account.
2723 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
2726 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
2728 * config/avr/avr.opt (-msp8): Document it.
2729 * doc/invoke.texi (AVR Options): Copy from trunk docu.
2731 2012-05-31 Richard Guenther <rguenther@suse.de>
2734 * expr.c (expand_assignment): Do not use movmisalign on
2737 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2740 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
2741 (pa_section_type_flags): New.
2742 (pa_legitimate_constant_p): Revert previous change.
2744 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
2746 Backport from mainline
2747 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
2750 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
2751 accessed indirectly.
2752 (ipa_tm_create_version): Same.
2754 2012-05-30 Jason Merrill <jason@redhat.com>
2757 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
2758 about array compound literals.
2760 2012-05-30 Richard Guenther <rguenther@suse.de>
2763 * fold-const.c (fold_binary_loc): Make sure to call
2764 fold_plusminus_mult_expr with the original sign of operands.
2766 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
2768 * explow.c (probe_stack_range): Restore simple control flow and stop
2769 again when the probe cannot be generated if HAVE_check_stack.
2771 2012-05-30 Jakub Jelinek <jakub@redhat.com>
2773 PR rtl-optimization/53519
2774 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
2775 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
2777 2012-05-29 Richard Guenther <rguenther@suse.de>
2779 PR tree-optimization/53516
2780 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
2782 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
2784 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
2786 Backport from mainline
2787 2012-05-28 Richard Guenther <rguenther@suse.de>
2789 PR tree-optimization/53438
2790 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
2792 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
2794 Backport from mainline
2795 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2797 PR rtl-optimization/52528
2798 * combine.c (can_combine_p): Add setting of subst_low_luid
2799 before call to expand_field_assignment().
2801 2012-05-26 Martin Jambor <mjambor@suse.cz>
2803 Backport from mainline
2804 2012-05-23 Martin Jambor <mjambor@suse.cz>
2806 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
2808 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2811 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
2812 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
2814 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
2817 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
2818 (ix86_expand_vec_perm): Use int mode instead of float.
2820 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2823 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
2824 gnu_ld variables to yes.
2825 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
2826 (HAVE_GNU_AS): Likewise.
2827 * config.in: Regenerate.
2828 * configure: Likewise.
2830 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2832 Backport from mainline
2833 2012-03-12 Richard Guenther <rguenther@suse.de>
2834 * config/arm/arm.c (neon_dereference_pointer): Do not call
2835 covert during RTL expansion.
2837 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2839 Backport from mainline
2840 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2843 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2844 relied on signed overflow behavior.
2846 2012-05-24 Richard Guenther <rguenther@suse.de>
2849 * tree-profile.c (tree_profiling): Cleanup the CFG if
2850 execute_fixup_cfg requests it.
2852 2012-05-24 Jakub Jelinek <jakub@redhat.com>
2854 PR tree-optimization/53465
2855 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
2856 vr0 into *vr, then vrp_meet that.
2857 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
2858 have any equivalences.
2859 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
2862 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
2864 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
2866 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
2867 (iterative_hash_gimple_type): Adjust comment.
2868 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
2869 domain for an array type instead of the domain type itself.
2871 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
2873 Backport from 2012-05-23 mainline r187803
2876 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2877 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2880 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2882 Backport from 2012-05-03 mainline r187075
2884 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2885 has_fma4 for AMD processors with both fma3 and fma4 support.
2887 2012-05-22 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/53408
2890 * tree-vect-loop.c (vectorizable_induction): Properly check
2891 the restriction that we cannot handle induction results from
2892 the inner loop outside of the outer loop.
2894 2012-05-21 Jakub Jelinek <jakub@redhat.com>
2896 PR tree-optimization/53436
2897 * omp-low.c (omp_build_component_ref): New function.
2898 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2900 PR tree-optimization/53366
2901 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2902 tests if complex_numbers == 2, but there are non-complex number loads
2905 PR tree-optimization/53409
2906 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2907 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2909 PR tree-optimization/53410
2910 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2911 instead of build_int_cst (type, 0) where vector types might be
2914 2012-05-21 Joseph Myers <joseph@codesourcery.com>
2917 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2918 from folded operands before wrapping another around the
2919 conditional expression.
2921 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2922 Patrick Marlier <patrick.marlier@gmail.com>
2924 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2927 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2929 Backport from mainline
2930 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2933 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2934 (UNSPECV_RDRAND): This.
2935 (rdrand<mode>_1): Updated.
2937 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2939 Backport from mainline
2940 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2942 * config/i386/driver-i386.c (host_detect_local_cpu): Support
2943 RDRND, F16C and FSGSBASE.
2945 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
2947 Backport from mainline
2948 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
2950 * tree-ssa-pre.c (can_value_number_call): Delete.
2951 (compute_avail): Skip all statements with side effects.
2952 <GIMPLE_CALL>: Skip calls to internal functions.
2954 2012-05-18 David S. Miller <davem@davemloft.net>
2956 Backport r185385 from mainline
2957 2012-03-14 Richard Guenther <rguenther@suse.de>
2960 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2961 element type instead of mode, use build_vector_type_for_mode
2962 instead of the langhook, build a vector of proper signedness.
2963 (expand_vector_operations_1): Adjust.
2965 2012-05-18 Olivier Hainque <hainque@adacore.com>
2967 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2968 $(libsubdir) as libexecsubdir.
2970 2012-05-16 Andrew Pinski <apinski@cavium.com>
2972 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2975 2012-05-16 David S. Miller <davem@davemloft.net>
2977 * jump.c (delete_related_insns): If we remove a CALL, make sure
2978 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2980 2012-05-16 Richard Henderson <rth@redhat.com>
2983 * combine-stack-adj.c (prev_active_insn_bb): New.
2984 (next_active_insn_bb): New.
2985 (force_move_args_size_note): New.
2986 (combine_stack_adjustments_for_block): Use it.
2988 2012-05-16 Olivier Hainque <hainque@adacore.com>
2990 * Makefile.in (install-no-fixedincludes): New target, former toplevel
2991 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2992 Add comments and improve stamp preservation across the whole sequence.
2993 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2995 2012-05-16 Richard Guenther <rguenther@suse.de>
2997 PR tree-optimization/53364
2998 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2999 detect a view-conversion of the decl.
3001 2012-05-15 Jakub Jelinek <jakub@redhat.com>
3004 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
3005 that operands[2] is either immediate, or q_regs_operand.
3007 2012-05-15 Bin Cheng <bin.cheng@arm.com>
3009 Backport r187139 from mainline.
3010 2012-05-04 Bin Cheng <bin.cheng@arm.com>
3012 PR rtl-optimization/52804
3013 * reload1.c (reload_reg_reaches_end_p): Check whether successor
3014 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
3015 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
3016 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
3017 RELOAD_FOR_OUTADDR_ADDRESS.
3019 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
3022 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
3023 generate target register for "load" class builtins.
3026 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
3029 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
3030 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
3031 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
3032 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
3033 (<sse>_movu<ssemodesuffix>): New expander.
3034 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
3035 (avx_movdqu<avxmodesuffix>): New expander.
3036 (*sse2_movdqu): Rename from sse2_movdqu.
3037 (sse2_movdqu): New expander.
3039 2012-05-14 Jakub Jelinek <jakub@redhat.com>
3041 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
3042 lineno 1 the same as lineno 0 before first start file directive.
3043 (optimize_macinfo_range): Likewise.
3045 * dwarf2out.c (have_macinfo): Define.
3046 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
3047 attribute, don't force empty compilation unit and don't emit any
3048 .debug_macinfo/.debug_macro section if macinfo_table is empty.
3050 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
3052 Backport from mainline
3053 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
3055 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3056 ORDERED and UNORDERED conditions.
3058 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
3060 * function.c (requires_stack_frame_p): If the function can throw
3061 non-call exceptions, return true if the insn can throw internally.
3063 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
3065 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
3066 DECL_ORIGINAL_TYPE if it is present.
3068 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
3070 Backport from 2012-05-12 mainline r187342.
3073 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
3074 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
3075 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
3076 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
3077 (expand_prologue): Move initialization of cfun->machine->is_naked,
3078 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
3079 (avr_set_current_function): ...this new static function.
3080 (TARGET_SET_CURRENT_FUNCTION): New define.
3081 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
3082 checking attributes of current_function_decl.
3083 (avr_regs_to_save): Ditto.
3084 (signal_function_p): Rename to avr_signal_function_p.
3085 (interrupt_function_p): Rename to avr_interrupt_function_p.
3087 * doc/extend.texi (Function Attributes): Better explanation of
3088 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
3091 2012-05-09 Matthias Klose <doko@ubuntu.com>
3093 * gcc-ar.c (main): Don't check for execute bits for the plugin.
3095 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
3098 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
3099 when a constant source operand matches an "I" constraint, the "no
3100 CC0 change" applies to a register-destination only, not a
3101 strict_low_part-destination.
3103 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3105 Backport from mainline:
3106 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3108 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
3110 2012-05-07 Jakub Jelinek <jakub@redhat.com>
3112 PR tree-optimization/53239
3113 * tree-vrp.c (get_value_range): Set VR of
3114 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
3117 2012-05-07 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/53195
3120 * tree-inline.c (setup_one_parameter): Properly add referenced
3121 vars from the parameters new known value.
3123 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3125 Backport from mainline:
3126 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3129 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3132 2012-05-04 Ian Lance Taylor <iant@google.com>
3134 * tree-vect-patterns.c (vect_single_imm_use): Correct return
3135 values from false to NULL.
3137 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
3139 Backport from mainline
3140 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
3143 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
3144 (TARGET_CMOV): Rename from TARGET_CMOVE.
3145 (TARGET_CMOVE): New define.
3146 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
3147 Do not set TARGET_CMOVE here.
3149 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3151 Backport from mainline:
3153 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3155 PR tree-optimization/52633
3156 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
3157 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
3158 (vect_recog_over_widening_pattern): Remove handling of code that was
3159 already detected as over-widening pattern. Remove special handling
3160 of "unsigned" cases. Instead, support general case of conversion
3161 of the shift result to another type.
3163 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3165 * tree-vect-patterns.c (vect_single_imm_use): New function.
3166 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
3167 (vect_recog_over_widening_pattern): Likewise.
3168 (vect_recog_widen_shift_pattern): Likewise.
3170 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
3172 PR tree-optimization/52870
3173 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
3174 presumed pattern statement is within the same loop or basic block.
3176 2012-05-04 Richard Guenther <rguenther@suse.de>
3178 * common.opt (flto-report): Do not mark as Optimization.
3180 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
3183 * recog.c (constrain_operands): If extra constraints are present, also
3184 accept pseudo-registers with equivalent memory locations during reload.
3186 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3188 Backport from the mainline
3189 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3192 * config/rs6000/rs6000.md (bswapdi splitters): If
3193 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
3194 default) is used, generate an alternate sequence that does not
3195 depend on using indexed addressing.
3197 2012-05-03 David S. Miller <davem@davemloft.net>
3200 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
3201 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
3202 (sparc_emit_float_lib_cmp): Likewise.
3204 2012-05-04 Martin Jambor <mjambor@suse.cz>
3206 Backport from mainline
3207 2012-05-02 Martin Jambor <mjambor@suse.cz>
3210 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
3211 of a variable when the contect is a function.
3213 2012-05-03 Jakub Jelinek <jakub@redhat.com>
3216 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
3217 append program name to it and pass that as first argument
3218 to make_relative_prefix. Always pass standard_libexec_prefix
3219 as last argument to make_relative_prefix. If
3220 make_relative_prefix returns NULL, fall back to
3221 standard_libexec_prefix.
3224 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
3228 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
3229 mode, return that mode.
3231 2012-05-03 Richard Guenther <rguenther@suse.de>
3233 PR tree-optimization/53144
3234 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
3236 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
3237 with SSA name values.
3238 (vn_reference_lookup_3): Adjust callers.
3240 2012-05-02 Jakub Jelinek <jakub@redhat.com>
3242 PR tree-optimization/53163
3243 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
3244 return value from compute_all_dependences.
3246 PR rtl-optimization/53160
3247 * ree.c (combine_reaching_defs): Handle the case where cand->insn
3248 has been modified by ree pass already.
3250 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
3252 Backport from mainline
3253 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3256 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
3257 calls to cgraph_node_name in xstrdup.
3258 (ipa_make_edge_direct_to_target): Ditto.
3259 * tree-sra.c (convert_callers_for_node): Ditto.
3260 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
3261 * ipa-cp.c (perhaps_add_new_callers): Ditto.
3262 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
3263 (cgraph_materialize_all_clones): Ditto.
3264 * ipa-inline.c (report_inline_failed_reason): Ditto.
3265 (want_early_inline_function_p): Ditto.
3266 (edge_badness): Ditto.
3267 (update_edge_key): Ditto.
3268 (flatten_function): Ditto.
3269 (ipa_inline): Ditto.
3270 (inline_always_inline_functions): Ditto.
3271 (early_inline_small_functions): Ditto.
3273 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
3275 Backport from mainline
3276 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
3278 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
3279 Introduce emul_name to select the right linker emulation for
3280 powerpc64-*-freebsd*.
3281 * configure: Regenerate.
3282 * config.gcc: Add bits to support powerpc64-*-freebsd*.
3283 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
3284 * config/rs6000/freebsd64.h: New file.
3285 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
3287 (rs6000_savres_strategy): Likewise.
3288 (rs6000_savres_routine_name): Likewise.
3289 (rs6000_elf_file_end): Likewise.
3290 * config/rs6000/t-freebsd64: New file.
3291 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
3292 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
3294 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3296 Backport from mainline
3297 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
3300 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3302 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
3304 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3305 predicate to discriminate types.
3307 2012-04-27 Richard Guenther <rguenther@suse.de>
3310 * convert.c (convert_to_integer): Avoid infinite recursion for
3311 target-defined built-in types.
3313 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
3316 * config/cris/cris.md ("*andhi_lowpart_v32")
3317 ("*andqi_lowpart_v32"): Change first input-only operand from
3318 a (match_operand ...) to (match_dup 0). Drop alternatives with
3319 const_int-matching constraints for redundancy.
3320 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
3321 three-operand alternative.
3323 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
3325 Backport from mainline
3326 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
3328 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3329 (*addsi_2_zext): Ditto.
3330 (*add<mode>_3): Ditto.
3331 (*addsi_3_zext): Ditto.
3332 (*add<mode>_5): Ditto.
3334 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3337 * c-typeck.c (set_nonincremental_init,
3338 set_nonincremental_init_from_string): Pass true instead of false
3339 as IMPLICIT to add_pending_init.
3341 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3343 Backport from 2012-04-24 mainline r186768.
3346 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3348 2012-04-24 Richard Guenther <rguenther@suse.de>
3350 PR tree-optimization/53085
3351 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3354 2012-04-24 Jakub Jelinek <jakub@redhat.com>
3357 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
3359 (output_addressed_constants): Likewise.
3362 * varasm.c (get_section): Don't ICE for section conflicts with
3363 built-in section kinds.
3365 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
3367 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3369 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
3371 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3373 2012-04-23 Richard Guenther <rguenther@suse.de>
3376 * c-typeck.c (build_binary_op): Fix typo.
3378 2012-04-23 Jakub Jelinek <jakub@redhat.com>
3380 PR tree-optimizations/52891
3381 * tree-vect-patterns.c (adjust_bool_pattern): Use
3382 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3383 but with non-standard precision.
3385 2012-04-22 Ian Lance Taylor <iant@google.com>
3387 * godump.c (go_output_typedef): Dump size of structs.
3389 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
3391 Backport from mainline:
3393 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
3394 hints for 'A' operand types.
3396 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
3398 Backport from 2012-04-19 mainline r186588.
3401 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
3402 the case *(X+const).
3404 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
3406 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
3408 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
3411 * config/i386/sync.md (atomic_<code><mode>): Rename to
3412 atomic_<logic><mode>.
3414 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
3416 Backport from mainline
3417 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
3420 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
3421 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
3422 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
3423 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
3424 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
3425 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
3426 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
3427 gen_avx2_permvarv8sf.
3429 2012-04-16 Martin Jambor <mjambor@suse.cz>
3431 Backported from mainline
3433 2012-04-13 Martin Jambor <mjambor@suse.cz>
3436 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
3437 fold_ctor_reference returns a zero constant.
3439 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3441 Backported from mainline
3442 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3444 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
3445 and __ILP32__ for x32.
3447 2012-04-13 Tom de Vries <tom@codesourcery.com>
3449 Backport from mainline r186418.
3451 2012-04-13 Tom de Vries <tom@codesourcery.com>
3453 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
3454 parameters vuse and vuse_escaped.
3455 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
3456 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
3459 2012-04-13 Richard Guenther <rguenther@suse.de>
3461 PR tree-optimization/52969
3462 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
3463 the condition for the COND_EXPR and handle predicate negation
3464 by swapping the COND_EXPR arms.
3466 2012-04-13 Richard Guenther <rguenther@suse.de>
3469 * convert.c (convert_to_pointer): Remove special-casing of
3472 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3474 Backport from mainline
3475 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3478 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
3479 the list of options to enable the FCFID instruction.
3480 (TARGET_EXTRA_BUILTINS): Adjust comment.
3482 2012-04-12 Richard Guenther <rguenther@suse.de>
3484 PR tree-optimization/52943
3485 * tree-chrec.h (chrec_is_positive): Remove.
3486 * tree-scalar-evolution.c (chrec_is_positive): Move ...
3487 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
3488 Return false for a constant zero instead of negative.
3489 (analyze_siv_subscript_cst_affine): Handle zero difference
3490 in the initial condition explicitely.
3492 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3495 * varasm.c (process_pending_assemble_externals): Set
3496 pending_assemble_externals_processed true.
3497 (assemble_external): Call assemble_external_real if the pending
3498 assemble externals have been processed.
3500 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
3503 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
3504 the DECL generated for the special GOT helper.
3506 2012-04-06 Walter Lee <walt@tilera.com>
3508 Backport from mainline
3509 2012-03-07 Walter Lee <walt@tilera.com>
3511 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
3512 REG_CFA_* notes for the stack pointer.
3513 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
3514 EH_RETURN_STACKADJ_RTX.
3515 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
3516 generate REG_CFA_* notes for the stack pointer.
3517 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
3518 by EH_RETURN_STACKADJ_RTX.
3520 2012-04-06 Matt Turner <mattst88@gmail.com>
3522 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
3524 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
3526 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
3527 of the destination isn't also a FP_REGS register.
3529 2012-04-03 Richard Guenther <rguenther@suse.de>
3531 Backport from mainline
3532 2012-03-02 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/52406
3535 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
3536 (struct indices): Add unconstrained_base member.
3537 (struct dr_alias): Remove unused vops member.
3538 (DR_UNCONSTRAINED_BASE): New define.
3539 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
3540 add indices to allow their disambiguation. Make DR_BASE_OBJECT
3541 be an artificial access that covers the whole indexed object,
3542 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
3543 plain decl base-objects to their MEM_REF variant.
3544 (dr_may_alias_p): When the base-object of either data reference
3545 has unknown size use only points-to information.
3546 (compute_affine_dependence): Make dumps easier to read and
3548 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
3549 DR_REF when looking for packed references.
3550 (vect_supportable_dr_alignment): Likewise.
3552 2012-04-03 Richard Guenther <rguenther@suse.de>
3554 Backport from mainline
3555 2012-03-15 Richard Guenther <rguenther@suse.de>
3558 * tree-data-ref.c (subscript_dependence_tester_1): Check
3559 all dimensions for non-conflicting access functions.
3561 2012-04-03 Richard Guenther <rguenther@suse.de>
3563 Backport from mainline
3564 2012-03-06 Richard Guenther <rguenther@suse.de>
3567 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
3569 2012-03-23 Richard Guenther <rguenther@suse.de>
3571 PR tree-optimization/52678
3572 * tree-vectorizer.h (struct _stmt_vec_info): Add
3573 loop_phi_evolution_part member.
3574 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
3575 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
3576 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
3577 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3578 Use the cached evolution part and the PHI nodes value from
3579 the loop preheader edge instead of re-analyzing the evolution.
3581 2012-03-26 Richard Guenther <rguenther@suse.de>
3583 PR tree-optimization/52701
3584 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
3585 compute and set the evolution part of PHI nodes.
3587 2012-03-30 Richard Guenther <rguenther@suse.de>
3589 PR tree-optimization/52754
3590 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
3591 propagate arbitrary addresses into really plain dereferences.
3593 2012-04-03 Jakub Jelinek <jakub@redhat.com>
3595 PR tree-optimization/52835
3596 * tree-data-ref.c (build_rdg): Return NULL if
3597 compute_data_dependences_for_loop failed.
3599 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
3601 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
3602 (stmt_can_make_abnormal_goto): Use it.
3603 (is_ctrl_altering_stmt): Likewise.
3605 2012-03-31 Martin Jambor <mjambor@suse.cz>
3607 Backported from mainline
3608 2012-03-30 Martin Jambor <mjambor@suse.cz>
3610 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
3611 is a builtin_stack_save in a dominating BB.
3613 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
3615 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
3616 crossing 128bit lane boundary.
3618 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
3620 Backported from mainline
3621 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
3624 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
3626 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
3627 * config/i386/i386.c: Include reload.h.
3628 (ix86_legitimize_reload_address): New function.
3630 2012-03-28 Martin Jambor <mjambor@suse.cz>
3632 Backported from mainline
3633 2012-03-27 Martin Jambor <mjambor@suse.cz>
3636 * tree-sra.c (sra_modify_assign): Do not call
3637 load_assign_lhs_subreplacements when working with an unscalarizable
3640 2012-03-28 Jakub Jelinek <jakub@redhat.com>
3643 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
3644 __builtin_va_start to __builtin_next_arg if the latter is
3645 builtin_decl_explicit_p rather than when it is not.
3648 * tree-vect-generic.c (vector_element): Perform multiplication
3649 for pos in bitsizetype type instead of idx type.
3651 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
3653 Backport from 2012-03-28 mainline r185910.
3656 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
3657 (avr_builtin_decl): New static function.
3658 (struct avr_builtin_description, avr_bdesc): Move up.
3659 Add GTY marker. Add field fndecl. Remove redundant field id.
3660 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
3661 (avr_expand_builtin): Code cleanup because .id is removed.
3663 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
3666 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
3669 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
3671 Backport from 2012-03-28 mainline r185907.
3674 * config.gcc (tm_file): Remove avr/multilib.h.
3676 * doc/invoke.texi (AVR Options): Adjust
3677 documentation of -mtiny-stack.
3679 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
3680 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
3681 * config/avr/t-avr: Remove generation of multilib.h.
3682 * config/avr/t-multilib: Regenerate.
3683 * config/avr/multilib.h: Remove.
3684 * config/avr/avr.opt (-msp8): New option.
3685 (avr_sp8): New variable.
3686 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
3687 * config/avr/avr.h (AVR_HAVE_SPH): New define.
3688 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
3689 (avr_device_to_sp8): New prototype.
3690 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
3691 (DRIVER_SELF_SPECS): New define.
3692 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
3693 __AVR_SP8__, __AVR_HAVE_SPH__.
3694 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
3695 AVR_HAVE_8BIT_SP to decide if SP_H is present.
3696 (avr_file_start): Ditto.
3698 2012-03-28 Jakub Jelinek <jakub@redhat.com>
3701 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
3702 instead of 8 in adjust_address.
3704 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
3706 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
3707 of a unit before computing the offset in units.
3709 2012-03-27 Richard Guenther <rguenther@suse.de>
3712 * fold-const.c (try_move_mult_to_index): Handle &x.array more
3715 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
3718 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
3720 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
3723 * varasm.c: Include pointer-set.h.
3724 (pending_assemble_externals_set): New pointer set.
3725 (process_pending_assemble_externals): Destroy the pointer set.
3726 (assemble_external): See if decl is in pending_assemble_externals_set,
3727 and add it to pending_assemble_externals if necessary.
3728 (init_varasm_once): Allocate pending_assemble_externals_set.
3730 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3732 Backported from mainline
3733 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
3736 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
3737 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
3738 (vector_ltgt<mode>): Likewise.
3739 (vector_ordered<mode>): Likewise.
3740 (vector_unordered<mode>): Likewise.
3741 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
3743 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
3745 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
3748 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
3750 Backported from mainline
3751 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
3755 * config/sh/sh.c (sh_register_move_cost): Increase cost between
3756 GENERAL_REGS and FP_REGS for SImode.
3758 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3761 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
3762 on any new_local_var_chain vars declared during recursing on
3763 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
3765 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3767 Backport from 2012-03-22 mainline r185692.
3770 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
3771 (unspecv): Add UNSPECV_MEMORY_BARRIER.
3772 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
3773 (delay_cycles_1, delay_cycles_2): Ditto.
3774 (delay_cycles_3, delay_cycles_4): Ditto.
3775 (nopv, *nopv): Ditto.
3776 (sleep, *sleep): Ditto.
3779 Backport from 2012-03-21 mainline r185605.
3781 PR rtl-optimization/52543
3783 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
3784 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
3785 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
3786 (avr_load_libgcc_p): Restrict to __flash loads.
3787 (avr_out_lpm): Only handle 1-byte loads from __flash.
3788 (avr_load_lpm): New function.
3789 (avr_find_unused_d_reg): Remove.
3790 (avr_out_lpm_no_lpmx): Remove.
3791 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
3792 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
3793 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
3794 (load_<mode>, load_<mode>_clobber): New insns.
3795 (mov<mode>): For multi-byte move from non-generic
3796 16-bit address spaces: Expand to load_<mode> resp.
3797 load_<mode>_clobber.
3798 (load<mode>_libgcc): Remove expander.
3799 (split-lpmx): Remove split.
3801 Backport from 2012-03-13 mainline r185329.
3804 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
3805 offset (size) to a value the insns can deal with.
3806 (expand_epilogue): Ditto.
3808 Backport from 2012-03-12 mainline r185256.
3811 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3812 type from reg_class_t to enum reg_class.
3813 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3815 Backport from 2012-03-12 mainline r185253.
3818 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3819 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3820 r184615 from 2012-02-28.
3822 Backport from 2012-03-08 mainline r185105.
3824 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
3825 for constants in [-63,63].
3827 Backport from 2012-03-08 mainline r185100.
3830 * config/avr/avr.c (avr_mem_clobber): New static function.
3831 (avr_expand_delay_cycles): Add memory clobber operand to
3832 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
3833 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
3834 (enable_interrupt, disable_interrupt): New expander.
3835 (nopv, sleep, wdr): New expanders.
3836 (delay_cycles_1): Add memory clobber.
3837 (delay_cycles_2): Add memory clobber.
3838 (delay_cycles_3): Add memory clobber.
3839 (delay_cycles_4): Add memory clobber.
3840 (cli_sei): New insn from former "enable_interrupt",
3841 "disable_interrupt" with memory clobber.
3842 (*wdt): New insn from former "wdt" with memory clobber.
3843 (*nopv): Similar, but for "nopv".
3844 (*sleep): Similar, but for "sleep".
3846 Backport from 2012-03-07 mainline r185043.
3849 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
3851 Backport from 2012-03-07 mainline r185032.
3854 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3855 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3856 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3858 Backport from 2012-03-07 mainline r185031.
3861 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3863 * config/avr/avr.md (xload_8): Adjust insn length.
3865 Backport from 2012-03-07 mainline r185030.
3868 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3869 if RAMPZ affects reading from RAM.
3871 Backport from 2012-03-05 mainline r184919.
3873 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3875 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3877 Backport from mainline r185259.
3880 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3881 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3883 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3885 Backported from mainline
3886 2012-03-13 Jakub Jelinek <jakub@redhat.com>
3889 * c-parser.c (c_parser_postfix_expression)
3890 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3892 * config/i386/smmintrin.h: Avoid /* within a comment.
3893 * config/i386/nmmintrin.h: Likewise.
3895 2012-03-22 Richard Guenther <rguenther@suse.de>
3897 * BASE-VER: Set to 4.7.1.
3898 * DEV-PHASE: Set to prerelease.
3900 2012-03-22 Release Manager
3902 * GCC 4.7.0 released.
3904 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3906 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3908 2012-03-15 Jakub Jelinek <jakub@redhat.com>
3909 Andrew Pinski <apinski@cavium.com>
3912 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3913 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3914 calls instead of __builtin_ir{int,ound}*.
3916 2012-03-14 Jakub Jelinek <jakub@redhat.com>
3919 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
3922 2012-03-13 Joseph Myers <joseph@codesourcery.com>
3924 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
3925 Refer to GCC 4.7 version of c99status.html.
3927 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3929 Backport from mainline
3930 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3932 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
3933 redefine to be NULL if the current bit-size is different from the
3934 configured bit-size.
3936 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
3937 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
3938 set the default tuning. Add asserts to make sure the cpu and tune
3939 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
3940 test whether the index is set, instead of > 0.
3941 (rs6000_file_start): Do not reset the default cpu if the current
3942 bit-size is different from the configured bit-size.
3944 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3946 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3948 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3949 Update binutils references.
3950 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3951 Update binutils reference.
3952 Update Sun as/GNU ld caveat.
3953 Document binutils largefile requirement for LTO plugin.
3954 Remove reference to alternate libpthread.
3956 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3958 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
3960 (Specific, mips-sgi-irix6): Likewise.
3962 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3964 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
3965 * configure: Regenerate.
3967 2012-03-07 Richard Henderson <rth@redhat.com>
3969 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3970 * config/m68k/sync.md (atomic_test_and_set): Use it.
3971 (atomic_test_and_set_1): Likewise.
3973 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3976 * Makefile.in: Let install-gcc-ar depend on installdirs,
3977 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3978 Don't double canonicalize if cross-compiling.
3980 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3982 * trans-mem.c: New typedef for tm_region_p.
3983 Define vector types for tm_region_p.
3984 (tm_region_init): Replace region_worklist to a vector called
3987 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3990 * trans-mem.c (tm_region_init): Use last_basic_block.
3992 2012-03-05 Richard Henderson <rth@redhat.com>
3995 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3996 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3997 BIGGEST_ALIGNMENT is aligned.
3999 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
4001 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
4003 2012-03-05 Richard Henderson <rth@redhat.com>
4006 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
4007 instead of calling negqi2 directly.
4009 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4011 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
4012 (INTMAX_TYPE): Use it.
4013 (UINTMAX_TYPE): Likewise.
4014 (SUBTARGET_OVERRIDE_OPTIONS): Define.
4015 (irix6_c_common_override_options): Declare.
4016 (C_COMMON_OVERRIDE_OPTIONS): Define.
4017 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
4018 * config/mips/irix6-c.c: New file.
4019 * config/mips/t-irix6 (irix6-c.o): New target.
4020 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
4023 2012-03-02 Richard Henderson <rth@redhat.com>
4025 * optabs.c (expand_atomic_test_and_set): Honor
4026 atomic_test_and_set_trueval even when atomic_test_and_set
4027 optab is not in use.
4029 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
4031 Backport from mainline
4032 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
4034 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
4036 2012-03-02 Richard Guenther <rguenther@suse.de>
4038 * DEV-PHASE: Set to prerelease.
4040 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
4042 * config.gcc (obsolete): Add all ARM targets using the FPA.
4043 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
4044 * doc/install.texi: Avoid references to obsolete ARM ports.
4046 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
4048 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
4050 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
4051 Joern Rennecke <joern.rennecke@embecosm.com>
4053 * doc/extend.texi: Expand and update information on interrupt
4054 attribute for Epiphany.
4056 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4058 * config/sh/sh-protos.h: Update copyright notice dates.
4059 * config/sh/sh.h: Likewise.
4060 * config/sh/sh.md: Likewise.
4061 * config/sh/constraints.md: Likewise.
4062 * config/sh/predicates.md: Likewise.
4064 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4066 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
4067 * config/sh/sh.c (tertiary_reload_operand): Likewise.
4069 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4071 * config/sh/constraints.md: Fix comment typo.
4073 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4076 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
4077 unsigned HOST_WIDE_INT.
4078 (zvdep_imm64): Likewise.
4079 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
4080 (vdepi_and): Likewise.
4081 Likewise for unamed 64-bit patterns.
4082 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
4084 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
4087 PR rtl-optimization/52417
4088 * cselib.c (cselib_any_perm_equivs): New variable.
4089 (cselib_reset_table): Check that it's not set when not
4090 preserving constants.
4091 (cselib_add_permanent_equiv): Set it.
4092 (cselib_have_permanent_equivalences): New.
4093 (cselib_init, cselib_finish): Reset it.
4094 * cselib.h (cselib_have_permanent_equivalences): Declare.
4095 * alias.c (get_addr): Restore earlier behavior when there
4096 aren't permanent equivalences.
4098 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
4100 * config/mn10300/mn10300-modes.def: Fix copyright notice.
4101 * config/v850/v850-modes.def: Fix copyright notice.
4103 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
4105 * doc/extend.texi (AVR Built-in Functions): Document
4106 __builtin_avr_flash_segment.
4108 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
4109 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
4110 (*split.flash_segment): New insn-and-split.
4111 * config/avr/avr.c (avr_init_builtins): Add local variables:
4112 const_memx_void_node, const_memx_ptr_type_node,
4113 char_ftype_const_memx_ptr.
4115 2012-03-01 Jakub Jelinek <jakub@redhat.com>
4117 PR tree-optimization/52445
4118 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
4119 add ssa_name_ver, offset and size fields and change store field
4121 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
4122 (add_or_mark_expr): Likewise. Only consider previous stores
4123 with the same size and offset.
4124 (nt_init_block): Only look at gimple_assign_single_p stmts,
4125 doesn't look at rhs2.
4127 2012-03-01 Richard Guenther <rguenther@suse.de>
4130 * tree-cfg.c (verify_gimple_assign_unary): Allow any
4131 conversions from integral types to pointer types.
4133 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
4135 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
4136 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
4137 unintentionally removed in r184616.
4139 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4141 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
4144 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4145 Uros Bizjak <ubizjak@gmail.com>
4148 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
4149 alternatives, add "e" constraint to the new last alternative
4150 and ! to last 3 alternatives.
4152 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
4154 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
4155 DW_AT_artificial attributes at the end of the processing.
4156 (gen_array_type_die): Likewise.
4157 (gen_enumeration_type_die): Likewise.
4158 (gen_struct_or_union_type_die): Likewise.
4159 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
4162 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4165 * expr.c (expand_assignment): If doing misaligned store that doesn't
4166 cover all mode bits, perform a RMW cycle.
4168 PR tree-optimization/52429
4169 * tree-parloops.c (separate_decls_in_region_debug): Return early
4170 if var is LABEL_DECL.
4172 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4174 PR tree-optimization/52424
4175 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
4176 calling dom_thread_across_edge.
4178 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4180 * config/avr/avr.c: Move definition of TARGET macros to end of file.
4182 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4184 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
4185 * config/avr/avr.c (avr_output_bld): Remove unused function.
4186 (avr_out_sbxx_branch): Use "%T" to print bit position.
4188 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4190 * config/avr/avr.md: Untabify.
4192 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4194 * config/avr/avr.md (eqne): New code iterator.
4195 (*dec-and-branchsi): Use it in text peephole's condition.
4196 (*dec-and-branchhi): Ditto.
4197 (*dec-and-branchqi): Ditto.
4199 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4202 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
4203 the device does not have the skip-bug.
4205 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
4207 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
4208 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
4209 -mpretend-cmove): New.
4211 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4214 * df.h (struct df_d): Adjust comment that hard_regs_live_count
4215 doesn't count DEBUG_INSN refs.
4216 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
4217 for DEBUG_INSN refs.
4219 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4223 2012-02-20 Richard Guenther <rguenther@suse.de>
4224 PR tree-optimization/52298
4225 * tree-vect-stmts.c (vectorizable_load): Properly use
4226 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4229 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
4232 * gimple.h (gimple_in_transaction): New.
4233 (gimple_set_in_transaction): New.
4234 (struct gimple_statement_base): Add in_transaction field.
4235 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
4237 (tree_ssa_lim_initialize): Compute transaction bits.
4238 * tree.h (compute_transaction_bits): Protoize.
4239 * trans-mem.c (tm_region_init): Use the heap to store BB
4241 (compute_transaction_bits): New.
4243 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4245 * gcc.c (display_help): Document --help=common and sort entries
4248 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4250 * doc/install.texi: Document check-$LANG specific shortcuts
4252 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4255 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
4257 * config/arm/arm_neon.h: Regenerate.
4258 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
4259 (neon_vcgeu): New insn.
4260 (neon_vcgtu): Likewise.
4261 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
4262 (ops): Unsigned comparison intrinsics call a different
4265 2012-02-28 Richard Guenther <rguenther@suse.de>
4268 * config/i386/i386.c (ix86_expand_vector_set): Fix element
4269 ordering for the VEC_CONCAT for two element vectors for
4270 V2SFmode, V2SImode and V2DImode.
4272 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4275 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
4276 detecting big-endian triplets.
4278 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4280 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
4281 mode if there is no type information available.
4283 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
4285 PR tree-optimization/53207
4286 * doc/invoke.texi: Document as experimental and relying on graphite.
4288 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4290 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
4291 of initializer to changes from r184614.
4293 2012-02-28 Richard Guenther <rguenther@suse.de>
4295 PR tree-optimization/52395
4296 * tree-sra.c (build_ref_for_offset): Also look at the base
4297 TYPE_ALIGN when figuring out the alignment of the replacement.
4299 2012-02-28 Richard Guenther <rguenther@suse.de>
4301 PR tree-optimization/52402
4302 * ipa-prop.c (ipa_modify_call_arguments): Properly use
4303 mis-aligned types when creating the accesses at the call site.
4305 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4307 * config/avr/builtins.def: New file.
4308 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
4309 * config/avr/avr.c (enum avr_builtin_id): Use it.
4310 (avr_init_builtins): Use it. And use avr_bdesc.
4311 (bdesc_1arg): Remove.
4312 (bdesc_2arg): Remove.
4313 (bdesc_3arg): Remove.
4314 (struct avr_builtin_description): Add field n_args.
4315 (avr_bdesc): New static variable using builtins.def.
4316 (avr_expand_builtin): Use it.
4317 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
4318 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
4319 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
4321 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4324 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
4325 match only one single hard register with respective hard reg rtx.
4326 (movmemx_<mode>): Ditto.
4327 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
4328 insn anatomy of movmem[x]_<mode>.
4329 (avr_out_movmem): Same for printing assembler and operand usage.
4331 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4335 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
4336 address spaces located outside of device flash.
4338 * config/avr/avr.h (base_arch_s): Remove field n_segments.
4339 (mcu_type_s): Add field n_flash.
4340 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
4341 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
4342 (AVR_MCU): Add N_FLASH argument.
4343 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
4344 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
4345 macro __FLASH<n> if that address space makes sense for the device.
4346 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
4347 outside of target flash.
4348 (avr_asm_named_section): Ditto.
4349 (avr_asm_select_section): Ditto.
4350 (avr_addr_space_convert): Ditto.
4351 (avr_emit_movmemhi): Ditto.
4352 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
4353 address space is outside of device flash.
4354 (avr_insert_attributes): Ditto.
4355 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
4356 avr_current_arch->n_segments.
4358 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
4361 * config/i386/i386.md (*movabs<mode>_1): Enable only for
4363 (*movabs<mode>_2): Likewise.
4365 2012-02-27 Jakub Jelinek <jakub@redhat.com>
4368 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
4369 s_register_operand in the test instead of REG_P. Don't call
4370 gen_reg_rtx if it won't be used.
4372 PR tree-optimization/52376
4373 * ipa-split.c (split_function): Ignore CLOBBER stmts.
4375 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
4377 * ifcvt.c (noce_get_condition): Check condition variable is not
4378 small_register_classes_for_mode_p before accepting.
4380 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
4382 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
4384 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4387 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4388 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4390 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4392 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
4394 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
4396 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
4398 * config/sh/predicates.md: Remove blank lines.
4399 * config/sh/sh.c: Fix typos in comments.
4400 * config/sh/constraints.md: Likewise.
4401 * config/sh/sh.md: Remove blank lines.
4402 Fix typos in comments. Use ;; as comment characters.
4404 2012-02-26 Walter Lee <walt@tilera.com>
4406 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
4407 (replace_mov_pcrel_step2): Ditto.
4409 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
4412 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
4413 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
4414 and locs that reference values newer than the non-canonical value
4415 at hand. Return the canonical value as a worst case.
4416 (memrefs_conflict_p): Walk canonical value's locs.
4419 * cselib.c (preserve_only_constants): Rename to...
4420 (preserve_constants_and_equivs): ... this. Split out...
4421 (invariant_or_equiv_p): ... this. Preserve plus expressions
4422 of other preserved expressions too.
4423 (cselib_reset_table): Adjust.
4424 * var-tracking.c (reverse_op): Use canonical value to build
4427 2012-02-23 Kai Tietz <ktietz@redhat.com>
4429 * config/i386/i386.c (ix86_delegitimize_address): Handle
4430 UNSPEC_PCREL plus displacement.
4432 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
4435 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
4436 to test for unusedness in st X addressing.
4438 2012-02-24 Richard Guenther <rguenther@suse.de>
4441 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
4442 (is_gimple_reg_type): Move inline ...
4443 * gimple.h (is_gimple_reg_type): ... here.
4445 2012-02-24 Richard Guenther <rguenther@suse.de>
4448 * passes.c (execute_function_todo): When verifying SSA form
4449 verify gimple form first.
4450 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
4452 2012-02-24 Richard Guenther <rguenther@suse.de>
4455 * fold-const.c (fold_addr_of_array_ref_difference): New function.
4456 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
4458 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4460 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
4462 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4464 * tree-phinodes.c (make_phi_node): Mark static.
4465 * tree-flow.h (make_phi_node): Remove extern decl.
4466 * doc/gimple.texi (make_phi_node): Remove documentation.
4468 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4470 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
4471 * tree-ssa-sccvn.c (print_scc): Ditto.
4473 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4475 * doc/passes.texi (Full redundancy elimination): Fix typo.
4477 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4479 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
4481 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
4484 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
4486 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
4489 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
4491 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
4493 * config/avr/avr.md (code_stdname): Add ior, xor.
4494 (xior): New code iterator.
4495 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
4496 (*<code_stdname><mode>qi.byte1-3): Ditto.
4498 2012-02-23 Jakub Jelinek <jakub@redhat.com>
4500 PR tree-optimization/52019
4501 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
4504 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4506 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
4507 HAVE_INITFINI_ARRAY to work around namespace pollution in
4508 certain versions of newlib system headers.
4509 * config.in: Regenerate.
4510 * configure: Regenerate.
4511 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
4512 instead of HAVE_INITFINI_ARRAY.
4514 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
4517 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
4518 is not offsettable memory reference.
4520 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4523 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
4524 setting avr_need_clear_bss_p for __gnu_lto* symbols.
4526 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4528 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
4529 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
4531 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4533 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
4534 library on Solaris 8 even without TLS support.
4535 * configure: Regenerate.
4537 2012-02-22 Richard Guenther <rguenther@suse.de>
4540 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
4541 for GIMPLE_DEBUG stmts.
4543 2012-02-22 Martin Jambor <mjambor@suse.cz>
4546 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
4547 according to the base object.
4549 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4551 PR rtl-optimization/50063
4552 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
4553 and 2 (8-bit SP) in operand 2.
4554 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
4555 setup to use movhi_sp_r instead of vanilla move to write SP.
4556 Adjust REG_CFA notes to superseed unspec.
4557 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
4559 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
4560 known to be off) only with TARGET_NO_INTERRUPTS. Never use
4561 irq_state 1 (IRQ known to be on) here.
4563 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
4565 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
4567 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
4568 assign_hard_reg): Likewise.
4570 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4572 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
4574 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4577 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
4578 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
4580 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4582 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
4583 prototype from here to...
4584 * config/avr/avr.h: ...here.
4586 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
4589 * thumb2.md (thumb2_shiftsi3_short): Split register and
4590 immediate shifts. For register shifts tie operands 0 and 1.
4591 (peephole2 for above): Check that register-controlled shifts
4592 have suitably tied operands.
4594 2012-02-21 Quentin Neill <quentin.neill@amd.com>
4597 * config/i386/bdver1.md (bdver1_call, bdver1_push,
4598 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
4599 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
4600 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
4601 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
4602 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
4603 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
4604 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
4605 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
4606 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
4607 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
4608 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
4609 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
4610 bdver1_ssevector_avx256_unaligned_load,
4611 bdver1_ssevector_sse128_unaligned_load,
4612 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
4613 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
4614 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
4615 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
4616 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
4617 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
4618 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
4619 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
4620 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
4621 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
4622 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
4623 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
4624 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
4625 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
4626 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
4627 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
4628 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
4629 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
4630 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
4631 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
4632 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
4633 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
4634 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
4635 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
4636 bdver1_ssediv_double_load, bdver1_ssediv_double,
4637 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
4638 Add "bdver2" attribute.
4640 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4642 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
4643 default if possible and not specified otherwise.
4645 2012-02-21 Richard Guenther <rguenther@suse.de>
4648 * gimplify.c (create_tmp_from_val): Use the main variant type
4649 for the type of the temporary we create.
4651 2012-02-21 Richard Guenther <rguenther@suse.de>
4653 PR tree-optimization/52324
4654 * gimplify.c (gimplify_expr): When re-gimplifying expressions
4655 do not gimplify a MEM_REF address operand if it is already
4658 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4660 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
4661 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
4663 2012-02-21 Richard Guenther <rguenther@suse.de>
4665 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
4666 nested_in_vect_loop.
4668 2012-02-21 Jakub Jelinek <jakub@redhat.com>
4670 PR tree-optimization/52318
4671 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
4672 vdef also to non-pure/const call stmts in the sequence.
4674 2012-02-20 David S. Miller <davem@davemloft.net>
4676 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
4677 don't use the "rd %pc" instruction on v9 for PIC register loads.
4679 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
4682 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
4683 in a transaction safe function.
4685 2012-02-20 Kai Tietz <ktietz@redhat.com>
4688 * stor-layout.c (place_field): Handle desired_align for
4691 2012-02-20 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/52298
4694 * tree-vect-stmts.c (vectorizable_store): Properly use
4695 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4697 (vectorizable_load): Likewise.
4698 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
4699 Access DR_STEP after ensuring it is not NULL.
4701 2012-02-20 Jakub Jelinek <jakub@redhat.com>
4703 PR tree-optimization/52286
4704 * fold-const.c (fold_binary_loc): For (X & C1) | C2
4705 optimization use double_int_to_tree instead of build_int_cst_wide,
4706 rewrite to use double_int vars.
4708 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4711 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
4713 Remove -e 0 from $gcc_cv_ld invocation.
4714 Only use __GLIBC_PREREQ if defined.
4715 Enable on Solaris since Solaris 8 patch.
4716 (gcc_SUN_LD_VERSION): New macro.
4717 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
4718 gcc_SUN_LD_VERSION for version number format.
4719 * configure: Regenerate.
4720 * varasm.c (get_elf_initfini_array_priority_section): Set
4721 SECTION_NOTYPE for non-default priority.
4722 Use get_section instead of get_unnamed_section to emit
4723 .init_array/.fini_array with default priority.
4725 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4727 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
4728 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
4729 (mips_start_unique_function, mips_output_mips16_rdhwr)
4730 (mips_code_end): New functions.
4731 (TARGET_ASM_CODE_END): Define.
4733 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4735 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
4736 to stubs with non-sibling calls.
4738 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
4740 * doc/invoke.texi (-fira-* options): Copy-edit.
4741 (ira-* parameters): Copy-edit.
4743 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4745 * doc/invoke.texi: Minor copy-edits to bring into conformance with
4746 GCC coding conventions.
4748 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4750 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
4751 when used as adjectives.
4753 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
4755 * doc/invoke.texi: Clean up "that"/"which" confusion.
4757 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
4759 * system.h: Poison SMALL_REGISTER_CLASSES
4760 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
4761 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
4763 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4765 PR tree-optimization/52285
4766 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
4767 when deciding if a call is a tail call or tail recursion.
4769 2012-02-16 Kai Tietz <ktietz@redhat.com>
4771 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4772 interger-constant displacement for UNSPEC_PCREL.
4774 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4776 PR rtl-optimization/52208
4777 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4778 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4780 PR tree-optimization/52255
4781 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4782 loop->header has virtual PHI, but exit_e->dest doesn't, add
4783 virtual PHI to exit_e->dest and adjust all uses after the loop.
4786 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4787 children with clone_tree_hash, not after it.
4789 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4791 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4792 extended identifiers.
4794 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4797 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4798 a same_body_alias, also test whether e->callee isn't a former
4799 or current clone of the decl this is a same body alias of.
4801 PR translation/52264
4802 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4804 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4806 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4808 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4811 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4812 force_reg instead of copy_to_reg for better optimization. Force
4813 non-register or memory operands into a register.
4815 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4817 * extend.texi: Reserve upper bits of memory model for future use.
4819 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4820 Anatoly Sokolov <aesok@post.ru>
4821 Eric Weddington <eric.weddington@atmel.com>
4824 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4825 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4826 Rewrite initializers for .macro.
4827 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4828 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4829 atxmega32d4, atxmega32x1.
4830 avrxmega4: atxmega64a3, atxmega64d3.
4831 avrxmega5: atxmega64a1, atxmega64a1u.
4832 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4833 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4834 avrxmega7: atxmega128a1, atxmega128a1u.
4835 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4836 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4837 (struct base_arch_s): Rename reserved to xmega_p.
4838 Rename reserved2 to have_rampd.
4839 (AVR_XMEGA): New define.
4840 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4841 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4842 * config/avr/predicates.md (io_address_operand): Take into
4844 (low_io_address_operand): Ditto.
4845 (high_io_address_operand): Ditto.
4846 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4847 (enabled, movhi_sp_r): Use them.
4848 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4849 cpp_define_formatted to built-in define __AVR_ARCH__.
4850 (__AVR_XMEGA__): New built-in define.
4851 (__AVR_HAVE_RAMPD__): New built-in define.
4852 (__AVR_HAVE_RAMPX__): New built-in define.
4853 (__AVR_HAVE_RAMPY__): New built-in define.
4854 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4856 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4857 (avr_option_override): Initialize them.
4858 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4859 (avr_init_expanders): Initialize them. No more block several calls.
4860 (emit_push_sfr): New static function.
4861 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4863 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4864 (avr_print_operand): Print addreeses as symbols for
4865 RAMPX, RAMPY, RAMPD, CCP.
4866 (output_movhi): Handle AVR_XMEGA when writing to SP.
4867 (avr_out_movhi_mr_r_xmega): New static function.
4868 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4869 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4870 __RAMPD__, __CCP__ as needed.
4872 * config/avr/multilib.h: Regenerate.
4873 * config/avr/t-multilib: Regenerate.
4874 * config/avr/avr-tables.opt: Regenerate.
4876 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4878 PR tree-optimization/50561
4879 * graphite-flattening.c (lst_project_loop): Do not
4880 remove old scattering dimensions after flattening.
4881 (lst_do_flatten): Likewise.
4883 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4885 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4886 __builtin_avr_map8, __builtin_avr_map16.
4887 Document __builtin_avr_insert_bits.
4889 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4890 (insert_bits): New insn.
4891 (adjust_len.map_bits): Rename to insert_bits.
4892 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4893 * avr-protos.h (avr_out_map_bits): Remove.
4894 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4895 * config/avr/constraints.md (Cxf,C0f): New.
4896 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4897 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4898 New built-in define __BUILTIN_AVR_INSERT_BITS.
4899 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4900 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4901 (avr_move_bits): Rewrite.
4902 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4904 (avr_map_op_t): New typedef.
4905 (avr_map_op): New static variable.
4906 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4907 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4908 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4909 (bdesc_3arg, avr_expand_triop_builtin): New.
4910 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4911 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4912 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4913 (avr_map_equal_p, avr_map_sig_p): Remove.
4914 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4915 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4916 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4917 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4918 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4919 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4921 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4923 * config/c6x/c6x.md (reserve_cycles): New attribute.
4924 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4925 don't reserve functional units after the branch occurs.
4927 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4930 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4931 functions into non-tm_pure functions.
4933 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4936 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4937 (iterative_hash_canonical_type): Likewise.
4938 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4941 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4943 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4944 sched-group insn, it either remains alone or the entire list is pruned.
4946 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4948 * doc/install.texi (Prerequisites): Fix grammar.
4949 (Configuration): Likewise.
4951 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4953 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4954 MPC as part of GCC before describing configuring with --with-gmp etc.
4955 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4956 sources are present.
4958 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4961 * dwarf2out.c (clone_tree_hash): New function.
4962 (copy_decls_walk): Use it instead of clone_tree.
4964 2012-02-14 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/52244
4967 PR tree-optimization/51528
4968 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4969 replacements for integral types.
4971 2012-02-14 Walter Lee <walt@tilera.com>
4973 * config.gcc: Handle tilegx and tilepro.
4974 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4976 Add HAVE_AS_TLS check for tilegx and tilepro.
4977 * configure: Regenerate.
4978 * doc/contrib.texi: Add Mat Hostetter and self.
4979 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4980 Document instruction intrinsics and network accessing intrinsics.
4981 (TILEPro Built-in Functions): New node. Document instruction
4982 intrinsics and network accessing intrinsics.
4983 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4984 (Specific, tilepro-*-linux*): Likewise.
4985 * doc/invoke.texi (TILE-Gx Options): New section.
4986 (TILEPro Options): New section.
4987 * doc/md.texi (TILE-Gx): New section.
4988 (TILEPro): New section.
4989 * common/config/tilegx/tilegx-common.c: New file.
4990 * common/config/tilepro/tilepro-common.c: New file.
4991 * config/tilegx/constraints.md: New file.
4992 * config/tilegx/linux.h: New file.
4993 * config/tilegx/mul-tables.c: New file.
4994 * config/tilegx/predicates.md: New file.
4995 * config/tilegx/sync.md: New file.
4996 * config/tilegx/t-tilegx: New file.
4997 * config/tilegx/tilegx-builtins.h: New file.
4998 * config/tilegx/tilegx-c.c: New file.
4999 * config/tilegx/tilegx-generic.md: New file.
5000 * config/tilegx/tilegx-modes.def: New file.
5001 * config/tilegx/tilegx-multiply.h: New file.
5002 * config/tilegx/tilegx-protos.h: New file.
5003 * config/tilegx/tilegx.c: New file.
5004 * config/tilegx/tilegx.h: New file.
5005 * config/tilegx/tilegx.md: New file.
5006 * config/tilegx/tilegx.opt: New file.
5007 * config/tilepro/constraints.md: New file.
5008 * config/tilepro/gen-mul-tables.cc: New file.
5009 * config/tilepro/linux.h: New file.
5010 * config/tilepro/mul-tables.c: New file.
5011 * config/tilepro/predicates.md: New file.
5012 * config/tilepro/t-tilepro: New file.
5013 * config/tilepro/tilepro-builtins.h: New file.
5014 * config/tilepro/tilepro-c.c: New file.
5015 * config/tilepro/tilepro-generic.md: New file.
5016 * config/tilepro/tilepro-modes.def: New file.
5017 * config/tilepro/tilepro-multiply.h: New file.
5018 * config/tilepro/tilepro-protos.h: New file.
5019 * config/tilepro/tilepro.c: New file.
5020 * config/tilepro/tilepro.h: New file.
5021 * config/tilepro/tilepro.md: New file.
5022 * config/tilepro/tilepro.opt: New file.
5024 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5026 PR tree-optimization/52210
5027 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
5028 vect_model_simple_cost with two entry vect_def_type array instead
5029 of an address of dt.
5031 2012-02-14 Richard Guenther <rguenther@suse.de>
5034 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
5035 Do not stream DECL_QUALIFIER.
5036 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
5037 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
5038 (find_decls_types_r): Do not walk DECL_QUALIFIER.
5040 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5043 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
5046 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5049 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5050 * cselib.c (cselib_subst_to_values_from_insn): New function.
5051 * sched-deps.c (add_insn_mem_dependence,
5052 sched_analyze_1, sched_analyze_2): Use it.
5054 2012-02-13 Jan Hubicka <jh@suse.cz>
5057 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
5059 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
5061 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
5062 (GTM_SELF_SPECS): Define if not already defined.
5063 (driver_self_specs): Add GTM_SELF_SPECS.
5064 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
5065 (GTM_SELF_SPECS): Define.
5066 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
5067 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
5069 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5071 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
5074 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
5077 * omp-low.c (expand_omp_for): If a static schedule without chunk size
5078 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
5080 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
5083 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
5085 2012-02-13 Richard Guenther <rguenther@suse.de>
5087 PR translation/52211
5088 * passes.c (enable_disable_pass): Fix typo.
5090 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5093 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
5094 XOR for reduce_bit_field if type is unsigned.
5096 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
5098 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
5099 disallow changes from SFmode to mode with different size in FP regs.
5101 2012-02-12 Robert Millan <rmh@gnu.org>
5102 Gerald Pfeifer <gerald@pfeifer.com>
5104 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
5107 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
5109 PR rtl-optimization/52175
5110 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
5111 to frame-related instructions.
5113 2012-02-10 Jason Merrill <jason@redhat.com>
5116 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
5117 (demangle_new_symbols): Fill it.
5118 (scan_linker_output): Walk it.
5119 (start_tweaking): Split out from scan_linker_output.
5120 (maybe_tweak): Update sym->chosen.
5121 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
5123 2012-02-11 Jakub Jelinek <jakub@redhat.com>
5126 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
5128 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
5130 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
5131 having the same mode as previous compare.
5133 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
5135 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
5136 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
5137 (nonlocal_goto_internal): Likewise.
5138 (nonlocal_goto): Emit a use and an indirect jump directly.
5140 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
5143 * doc/extend.texi : Update comments for __atomic_compare_exchange and
5144 __atomic_{is,always}_lock_free.
5146 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
5149 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
5150 negative constant address for x32.
5152 2012-02-10 Richard Henderson <rth@redhat.com>
5154 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
5155 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
5156 for GIMPLE_TRANSACTION. Tidy if's into a switch.
5158 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5159 Ira Rosen <irar@il.ibm.com>
5161 PR tree-optimization/50031
5162 * targhooks.c (default_builtin_vectorization_cost): Handle
5164 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
5165 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
5166 all types of reduction and pattern statements.
5167 (vect_estimate_min_profitable_iters): Likewise.
5168 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
5169 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
5170 for explicit realigns.
5171 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
5172 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
5174 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
5175 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
5176 vec_perm for VSX and handle vec_promote_demote.
5178 2012-02-10 Jakub Jelinek <jakub@redhat.com>
5181 * builtins.c (fold_builtin_atomic_always_lock_free,
5182 expand_builtin_atomic_always_lock_free,
5183 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
5184 Return and/or test boolean_true_node/boolean_false_node instead of
5185 integer_one_node/integer_zero_node.
5187 2012-02-10 Jan Hubicka <jh@suse.cz>
5190 * predict.c (predict_paths_for_bb): Prevent looping.
5191 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
5193 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
5195 * config/arm/arm.c (output_move_double): In one case properly
5196 count number of instructions that will be emitted.
5198 2012-02-10 Richard Guenther <rguenther@suse.de>
5200 PR translation/52193
5201 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
5203 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
5206 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
5208 2012-02-09 Jakub Jelinek <jakub@redhat.com>
5211 * var-tracking.c (emit_note_insn_var_location): If
5212 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
5213 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
5214 non-NOTE_DURING_CALL_P insn.
5216 2012-02-09 Bin Cheng <bin.cheng@arm.com>
5219 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
5221 2012-02-08 Magnus Granberg <zorry@gentoo.org>
5224 * gcc.c (switch_matches) Support switches with separated form,
5227 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
5229 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
5231 (RAMPZ_ADDR): Ditto.
5232 * config/avr/avr.c (avr_addr_t): New typedef.
5233 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
5234 (avr_init_expanders): Initialize it.
5235 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
5237 (expand_epilogue): Ditto.
5238 (avr_print_operand): Ditto.
5239 (avr_file_start): Ditto.
5240 (avr_emit_movmemhi): Ditto.
5242 2012-02-08 Richard Guenther <rguenther@suse.de>
5244 PR tree-optimization/46886
5245 * tree-flow.h (do_while_loop_p): Declare.
5246 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
5247 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
5249 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
5251 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
5252 always succeed for integers larger than a native word.
5254 2012-02-08 Richard Guenther <rguenther@suse.de>
5256 PR rtl-optimization/52170
5257 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
5258 properly handle integer vector modes.
5260 2012-02-08 Jakub Jelinek <jakub@redhat.com>
5262 PR gcov-profile/52150
5263 * coverage.c: Include target.h.
5264 (build_var): Call targetm.strip_name_encoding on the assembler name.
5265 Change one _ into . or $ if the target allows it.
5266 * Makefile.in (coverage.o): Depend on $(TARGET_H).
5268 PR rtl-optimization/52139
5269 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5270 is a BARRIER after emit_insn_after_noloc, move BB_END
5271 to the last non-BARRIER insn before it.
5273 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
5276 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5277 (mips_gimplify_va_arg_expr): Call it instead of
5278 std_gimplify_va_arg_expr.
5280 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
5282 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
5283 message for -mno-pointers-to-nested-function.
5285 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
5288 * expr.c (get_inner_reference): If there is an offset, add a negative
5289 bit position to it (if any).
5291 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5293 PR rtl-optimization/52060
5294 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
5295 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
5296 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
5297 and/or i0src_copy2 when needed.
5299 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5301 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
5302 or LTOPLUGINSONAME if have_c.
5304 * config/freebsd-spec.h: Add comment about what macros can be defined
5306 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
5307 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
5310 2012-02-07 Richard Guenther <rguenther@suse.de>
5312 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
5313 newline in -alias dumps.
5315 2012-02-07 Kai Tietz <ktietz@redhat.com>
5316 Dave Korn <dave.korn.cygwin@gmail.com>
5319 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5320 Take care that typinfo gets dllexport-attribute.
5322 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5325 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
5326 if modifier < EXPAND_SUM call force_operand on the result.
5328 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
5330 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
5331 adding __forwarder_dst__ prefix if a forwarder_section attribute is
5333 (epiphany_function_type): Replace types for specific interrupts with
5334 EPIPHANY_FUNCTION_INTERRUPT.
5335 (EPIPHANY_INTERRUPT_P): Update.
5336 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
5337 New static function.
5338 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
5339 <disinterrupt>: Affects type identity.
5340 (epiphany_handle_interrupt_attribute): Handle variable number of
5342 (epiphany_compute_function_type): Update for new
5343 epiphany_function_type definition.
5344 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
5345 handlers with a longcall forwarder.
5346 (epiphany_start_function): Handle multiple interrupt arguments and/or
5347 forwarder_section attribute.
5349 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
5352 2012-02-07 Alan Modra <amodra@gmail.com>
5355 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
5358 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5360 PR tree-optimization/50969
5361 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
5362 use vec_perm rather than vector_stmt.
5363 (vect_model_load_cost): Likewise.
5364 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
5365 vec_perm to be the same as other vector statements.
5366 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
5367 cost of vec_perm for TARGET_VSX.
5369 2012-02-06 Richard Guenther <rguenther@suse.de>
5371 PR tree-optimization/52115
5372 * tree-sra.c (access_has_replacements_p): New function.
5373 (sra_modify_assign): Use it to decide whether a use is uninitialized.
5375 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
5378 * trans-mem.c (expand_call_tm): Add an assertion.
5379 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
5382 2012-02-06 Richard Guenther <rguenther@suse.de>
5384 PR tree-optimization/50955
5385 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
5386 raise cost of expressions that replace an address with an
5387 expression based on a different pointer.
5389 2012-02-06 Jakub Jelinek <jakub@redhat.com>
5392 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
5393 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
5395 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
5398 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
5399 -Weffc++ and specify guidelines come from second edition.
5401 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5403 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
5404 (sibcall_value_multiple_internal, call_split, call_internal_direct)
5405 (call_direct_split, call_value_split, call_value_internal_direct)
5406 (call_value_direct_split, call_value_multiple_split): Use jal and
5407 jal_macro attributes.
5409 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5411 * reload1.c (reload_regs_reach_end_p): Replace with...
5412 (reload_reg_rtx_reaches_end_p): ...this function.
5413 (new_spill_reg_store): Update commentary.
5414 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
5415 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
5416 before setting new_spill_reg_store.
5417 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
5418 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
5419 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
5420 for non-spill reload registers.
5422 2012-02-05 Ira Rosen <irar@il.ibm.com>
5424 PR tree-optimization/52091
5425 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5426 (vect_is_simple_use_1): Likewise.
5427 * tree-vect-loop.c (vectorizable_reduction): Update calls
5428 to vect_is_simple_use_1 and vect_is_simple_use.
5429 (vectorizable_live_operation): Likewise.
5430 * tree-vect-patterns.c (widened_name_p,
5431 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
5432 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
5433 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
5434 vectorizable_shift,vectorizable_operation, vectorizable_store,
5435 vectorizable_load): Likewise.
5436 (vect_is_simple_cond): Add an argument, pass it to
5437 vect_is_simple_use_1.
5438 (vectorizable_condition): Update calls to vect_is_simple_cond,
5440 (vect_is_simple_use): Add an argument, the statement in which
5441 OPERAND is used. Check that if OPERAND's def stmt is a double
5442 reduction phi node, the use is a phi node too.
5443 (vect_is_simple_use_1): Add an argument, pass it to
5445 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
5446 to vect_is_simple_use.
5448 2012-02-04 Jakub Jelinek <jakub@redhat.com>
5450 PR rtl-optimization/52095
5451 * modulo-sched.c (dump_insn_locator): New function.
5452 (loop_canon_p, sms_schedule): Use it.
5454 PR rtl-optimization/52113
5455 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
5456 even for decomposable shift/zext insns.
5458 2012-02-03 Jakub Jelinek <jakub@redhat.com>
5459 Zdenek Dvorak <ook@ucw.cz>
5461 PR rtl-optimization/52092
5462 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
5463 on get_iv_value result.
5465 2012-02-02 Andrew Pinski <apinski@cavium.com>
5469 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
5471 2012-02-02 Jakub Jelinek <jakub@redhat.com>
5474 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
5476 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
5478 PR rtl-optimization/49800
5479 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
5480 (sched_finish): Call regstat_free_n_sets_and_refs.
5482 2012-02-02 Jia Liu <proljc@gmail.com>
5484 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
5487 2012-02-02 Jan Hubicka <jh@suse.cz>
5488 Tom de Vries <tom@codesourcery.com>
5491 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
5492 * varpool.c (varpool_analyze_pending_decls): Likewise.
5494 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
5495 Jayant R Sonar <jayant.sonar@kpitcummins.com>
5497 * config.gcc: Add cr16-* support.
5499 * doc/extend.texi: Document cr16 extensions.
5500 * doc/install.texi: Document cr16 install.
5501 * doc/invoke.texi: Document cr16 options.
5502 * doc/md.texi: Document cr16 constraints.
5504 * common/config/cr16/cr16-common.c: New file.
5505 * config/cr16/cr16.c: New file.
5506 * config/cr16/cr16.h: New file.
5507 * config/cr16/cr16.md: New file.
5508 * config/cr16/cr16.opt: New file.
5509 * config/cr16/cr16-protos.h: New file.
5510 * config/cr16/predicates.md: New file.
5511 * config/cr16/constraints.md: New file.
5512 * config/cr16/t-cr16: New file.
5514 2012-02-02 Jakub Jelinek <jakub@redhat.com>
5517 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
5518 that operands[2] is either immediate, or q_regs_operand.
5520 PR tree-optimization/52073
5521 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
5522 a pattern stmt for pattern uses, ignore uses outside of the loop.
5524 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
5526 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
5527 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
5528 (OUT_AS1, OUT_AS2): Remove.
5530 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
5532 PR rtl-optimization/51374
5533 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
5534 to cross other volatile_refs_p insns.
5536 2012-02-01 Richard Guenther <rguenther@suse.de>
5538 * doc/invoke.texi (fno-inline): Clarify documentation.
5539 (finline-small-functions): Likewise.
5540 (finline-functions): Likewise.
5541 * common.opt (finline): Adjust comment and documentation.
5542 (finline-small-functions): Clarify documentation.
5543 (finline-functions): Likewise.
5544 (finline-functions-called-once): Likewise.
5546 2012-02-01 Tristan Gingold <gingold@adacore.com>
5548 * c-typeck.c (composite_type): Keep mode for pointers.
5550 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
5552 * function.h (regno_reg_rtx): Adjust comment.
5553 * reginfo.c (init_reg_modes_target): Only use the previous mode
5554 if it fits within one register. Remove MIPS comment.
5556 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5559 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
5561 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5563 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
5564 to srak instruction.
5566 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5568 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
5570 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5575 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
5577 2012-01-31 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/51528
5580 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
5583 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5588 * ree.c (add_removable_extension): Change def_map argument
5589 to unsigned *, store in def_map 1 + offset into *insn_list vector
5590 instead of pointers into the vector.
5591 (find_removable_extensions): Adjust caller.
5593 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5595 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
5596 Transform all "* quoted-c-code" to { c-code }.
5597 Remove redundant test for "optimize" in combine patterns.
5598 Move (include "avr-dimode.md") to end of file.
5600 2012-01-30 Bin Cheng <bin.cheng@arm.com>
5603 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
5604 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
5606 2012-01-30 Richard Guenther <rguenther@suse.de>
5608 PR tree-optimization/52028
5609 * tree-loop-distribution.c (ldist_gen): Properly update
5612 2012-01-30 Jakub Jelinek <jakub@redhat.com>
5615 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
5616 set_cur_line_info_table if not emitting debug info.
5618 PR tree-optimization/52046
5619 * tree-vect-patterns.c (check_bool_pattern): Give up if
5620 a comparison could throw.
5623 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
5625 2012-01-30 Richard Guenther <rguenther@suse.de>
5627 PR tree-optimization/52045
5628 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
5629 SSA form if cfgcleanup did anything.
5631 2012-01-30 Richard Guenther <rguenther@suse.de>
5633 PR tree-optimization/52045
5634 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
5635 before computing final todo.
5637 2012-01-30 Richard Guenther <rguenther@suse.de>
5639 PR tree-optimization/51528
5640 * tree-sra.c (sra_modify_assign): Re-factor in preparation
5643 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
5645 * df-problems.c (df_kill_notes): Check that the use refers
5646 to the note under examination.
5648 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
5651 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
5652 parameter and use short-lived pseudos.
5653 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
5654 (sparc_expand_vector_init): Const-ify local variables and adjust
5655 calls to above functions.
5657 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5659 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
5661 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
5663 * doc/invoke.texi: Make usage of "compile time" and
5664 "run time"/"runtime" consistent throughout the file.
5666 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
5668 * config/alpha/alpha.c (alpha_option_override): Default to
5669 full IEEE compliance mode for Go language.
5671 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
5673 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
5674 (LINK_SSP_SPEC): Define.
5676 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5679 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
5682 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
5684 * doc/invoke.texi: Correct hyphenation of "floating point",
5685 "double precision", and related terminology throughout the file.
5687 2012-01-28 Jakub Jelinek <jakub@redhat.com>
5690 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
5691 arm_general_register_operand predicate for operand 2 instead of
5694 2012-01-27 Ian Lance Taylor <iant@google.com>
5697 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
5698 * builtins.c (expand_builtin_init_trampoline): Add onstack
5699 parameter. Change caller.
5700 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
5701 * tree.c (build_common_builtin_nodes): Declare
5702 __builtin_init_heap_trampoline.
5704 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
5706 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
5707 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
5708 * config/avr/avr.c: Ditto.
5709 (avr_regnames): Remove because unused.
5710 * config/avr/avr.md (*cpse.ne): New peephole.
5711 (*cpse.eq): New peephole from former cpse peepholes.
5713 2012-01-27 Michael Eager <eager@eagercon.com>
5715 * config/microblaze.c (microblaze_emit_compare): Correct
5716 test after pcmp instruction.
5718 2012-01-27 Richard Guenther <rguenther@suse.de>
5720 PR tree-optimization/52020
5721 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
5723 2012-01-27 Richard Guenther <rguenther@suse.de>
5725 * ipa-pure-const.c (check_stmt): Clobbers do not make a
5726 function non-const/pure.
5728 2012-01-27 Richard Guenther <rguenther@suse.de>
5730 PR tree-optimization/50444
5731 * tree-sra.c (build_ref_for_offset): Properly adjust the
5732 MEM_REF type for unaligned accesses.
5734 2012-01-27 Richard Guenther <rguenther@suse.de>
5736 PR tree-optimization/50444
5737 * expr.c (mem_ref_refers_to_non_mem_p): New function.
5738 (expand_assignment): Use it. Properly handle misaligned
5739 bases when expanding stores to component references.
5740 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
5743 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
5746 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
5747 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
5748 * tree-data-ref.c (find_data_references_in_loop): Make static.
5749 (compute_all_dependences): Change return type to bool. Bail out
5750 for too many datarefs in a loop. Move the hunk resetting the data
5751 dependences vector from ...
5752 (compute_data_dependences_for_loop): ... here. Account for
5753 compute_all_dependences returning false.
5754 (compute_data_dependences_for_bb): Likewise.
5755 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
5756 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
5758 2012-01-27 Richard Guenther <rguenther@suse.de>
5761 * expr.c (store_field): Use the alias-set of the scratch memory
5764 2012-01-27 Tom de Vries <tom@codesourcery.com>
5766 PR tree-optimization/51990
5767 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5769 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
5771 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5774 * var-tracking.c (reverse_op): Don't add any reverse operation
5775 if V already has any constant locations.
5777 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5779 * doc/invoke.texi: Correct usage of "command line" (noun)
5780 vs "command-line" (adjective) throughout.
5782 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5784 * doc/invoke.texi (Language Independent Options): Move
5785 -Wcoverage-mismatch blurb from here....
5786 (Warning Options): ...to here.
5788 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5790 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5791 Set rs6000_always_hint to false for 476.
5793 2012-01-27 Matthias Klose <doko@ubuntu.com>
5795 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5797 * incpath.c (add_standard_paths): Likewise.
5799 2012-01-27 Richard Henderson <rth@redhat.com>
5801 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5802 * config/m68k/sync.md (atomic_test_and_set): Rename from
5803 sync_test_and_setqi and adjust the operands.
5804 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5805 and unconditionally enable.
5807 2012-01-27 Richard Henderson <rth@redhat.com>
5809 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5810 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5811 (ldstub): Rename from ldstubqi.
5812 (ldstub<I24MODE>): Remove.
5814 2012-01-27 Richard Henderson <rth@redhat.com>
5816 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5817 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5818 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5819 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5820 * doc/tm.texi: Rebuild.
5822 2012-01-27 Richard Henderson <rth@redhat.com>
5824 * optabs.c (gen_atomic_test_and_set): Remove default.
5825 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5827 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5829 PR rtl-optimization/51978
5830 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5831 (combine_reaching_defs): Likewise.
5832 (struct re_info): Remove.
5833 (add_removable_extension): Remove x and data arguments,
5834 add insn, insn_list and def_map. Use the arguments directly
5835 instead of using struct re_info.
5836 (find_removable_extensions): Don't call add_removable_extension
5837 through note_stores, instead just call it with single_set
5839 (find_and_remove_re): Pass curr_cand->expr instead of
5840 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5842 2012-01-26 Michael Matz <matz@suse.de>
5844 PR tree-optimization/46590
5845 * cfgexpand.c: Revert last change (r183305).
5846 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5848 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5849 checking for emptiness.
5851 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5854 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5855 non-addressable non-BLKmode base correctly.
5857 2012-01-26 Michael Matz <matz@suse.de>
5859 PR tree-optimization/48794
5860 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5861 regions referenced from RESX/EH_DISPATCH.
5863 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5865 * config/s390/s390.h: Make BRANCH_COST an option.
5866 * config/s390/s390.opt: New option -mbranch-cost.
5868 2012-01-26 Richard Henderson <rth@redhat.com>
5870 Revert 2012-01-24 change:
5871 * trans-mem.c (requires_barrier): Do not instrument thread local
5872 variables and emit save/restore for them.
5874 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5877 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5880 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5882 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5885 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5888 Rename __pgm to __flash.
5889 Rename __pgm1 to __flash1.
5890 Rename __pgm2 to __flash2.
5891 Rename __pgm3 to __flash3.
5892 Rename __pgm4 to __flash4.
5893 Rename __pgm5 to __flash5.
5894 Rename __pgmx to __memx.
5895 * doc/extend.texi (AVR Named Address Spaces)
5896 Rename address space names as indicated above.
5897 * config/avr/avr.c (avr_addrspace): Ditto.
5899 * config/avr/avr-protos.h
5900 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5901 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5902 * config/avr/predicates.md: Ditto.
5903 * config/avr/avr.c Ditto, and
5904 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5905 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5907 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5908 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5909 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5910 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5911 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5912 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5913 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5914 * config/avr/avr.c: Ditto.
5915 * config/avr/avr.md: Ditto.
5917 2012-01-25 Jason Merrill <jason@redhat.com>
5920 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5922 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5924 PR tree-optimization/51987
5925 * tree-data-ref.c (get_references_in_stmt): Handle references in
5926 non-volatile GIMPLE_ASM.
5928 2012-01-25 Richard Guenther <rguenther@suse.de>
5930 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5931 bases are dereferenced.
5933 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5935 PR rtl-optimization/48374
5936 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5938 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5940 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5941 compute_data_dependences_for_loop returns false.
5942 * tree-parloops.c (loop_parallel_p): Likewise.
5944 2012-01-25 Richard Guenther <rguenther@suse.de>
5946 * tree.h (get_pointer_alignment_1): Declare.
5947 * builtins.c (get_pointer_alignment_1): New function.
5948 (get_pointer_alignment): Use it.
5950 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5952 PR rtl-optimization/48308
5953 * combine.c (enum undo_kind): Add UNDO_LINKS.
5954 (struct undo): Add member l to other_contents and where.
5955 (do_SUBST_LINK): New.
5957 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5958 (undo_all): Handle UNDO_LINKS.
5960 2012-01-25 Richard Henderson <rth@redhat.com>
5962 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5965 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5967 * optabs.c (gen_atomic_test_and_set): Use each argument.
5969 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5971 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5972 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5973 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5974 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5975 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5976 TARGET_PAIRED_SINGLE_FLOAT.
5978 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5980 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5981 (in_struct, return_val): Remove MEM documentation.
5982 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5983 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5984 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5986 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5987 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5988 * expr.c (store_field): Likewise.
5989 * function.c (assign_stack_temp_for_type): Likewise.
5990 * ifcvt.c (noce_try_cmove_arith): Likewise.
5991 * reload1.c (reload): Likewise.
5992 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5993 (alpha_set_memflags): Likewise.
5994 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5996 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5998 * rtl.h (true_dependence, canon_true_dependence): Remove varies
6000 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
6001 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
6002 (true_dependence_1, true_dependence, canon_true_dependence): Remove
6004 * cselib.c (cselib_rtx_varies_p): Delete.
6005 (cselib_invalidate_mem): Update call to canon_true_dependence.
6006 * dse.c (record_store, check_mem_read_rtx): Likewise.
6007 (scan_reads_nospill): Likewise.
6008 * cse.c (check_dependence): Likewise.
6009 (cse_rtx_varies_p): Delete.
6010 * expr.c (safe_from_p): Update call to true_dependence.
6011 * ira.c (validate_equiv_mem_from_store): Likewise.
6012 (memref_referenced_p): Likewise.
6013 * postreload-gcse.c (find_mem_conflicts): Likewise.
6014 * sched-deps.c (sched_analyze_2): Likewise.
6015 * store-motion.c (load_kills_store): Likewise.
6016 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
6017 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6018 (compute_transp): Update call to canon_true_dependence.
6020 2012-01-25 Richard Henderson <rth@redhat.com>
6022 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
6023 (maybe_emit_atomic_test_and_set): New.
6024 (expand_sync_lock_test_and_set): Use it.
6025 (expand_atomic_test_and_set): Likewise.
6026 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
6027 the implementation; clarify implementation defined details.
6028 * doc/md.texi (atomic_test_and_set): Document.
6030 2012-01-25 Richard Henderson <rth@redhat.com>
6032 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
6034 2012-01-25 Richard Henderson <rth@redhat.com>
6037 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
6038 to effect no-op split.
6040 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
6043 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
6044 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
6045 (BT_FN_VOID_PTR_INT_SIZE): New.
6046 (BT_FN_UINT_UINT_VAR): Remove.
6047 (BT_FN_UINT32_UINT32_VAR): New.
6048 (BT_FN_DOUBLE_VPTR): Remove.
6049 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
6051 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
6052 (_ITM_changeTransactionMode): Same.
6053 (_ITM_memmoveRtWt): Change return type to void.
6054 (_ITM_memcpyRtWt): Same.
6055 (_ITM_memsetW): Same.
6056 (_ITM_RaRD): Change types to double.
6061 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
6063 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
6064 Patrick Marlier <patrick.marlier@gmail.com>
6066 * trans-mem.c (requires_barrier): Do not instrument thread local
6067 variables and emit save/restore for them.
6069 2012-01-24 Jason Merrill <jason@redhat.com>
6072 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
6073 output static aliases.
6075 2012-01-24 Jakub Jelinek <jakub@redhat.com>
6078 * common.opt (-pie, -shared, pie, shared): Change from Common to
6080 * gcc.c (display_help): Display help for -pie and -shared.
6082 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
6085 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
6086 Remove note on size/offset limitation.
6087 (AVR Variable Attributes): Add example how to read data located
6088 with progmem. Refer to named address spaces.
6089 * doc/invoke.texi (AVR Options): Fix typo.
6091 2012-01-24 Richard Guenther <rguenther@suse.de>
6093 Forward-port to trunk
6094 2010-09-21 Jakub Jelinek <jakub@redhat.com>
6097 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
6098 op0 isn't sufficiently aligned and there is movmisalignM
6099 insn for mode, use it to load op0 into a temporary register.
6101 2012-01-24 Jakub Jelinek <jakub@redhat.com>
6104 * target.def (const_not_ok_for_debug_p): New hook.
6105 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
6107 * doc/tm.texi: Regenerated.
6108 * dwarf2out.c (const_ok_for_output_1): If
6109 targetm.const_not_ok_for_debug_p returns true, fail.
6110 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
6112 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
6114 2012-01-23 Kai Tietz <ktietz@redhat.com>
6117 * config/i386/predicates.md (symbolic_operand): Allow
6118 UNSPEC_PCREL as PIC expression for lea.
6119 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
6120 * config/i386/i386.c (ix86_delegitimize_address): Handle
6121 UNSPEC_PCREL for none-MEM, too.
6123 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
6125 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
6126 (ipa_tm_create_version_alias): Same.
6128 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
6131 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
6132 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
6134 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
6135 Patrick Marlier <patrick.marlier@gmail.com>
6136 Iain Sandoe <developer@sandoe-acoustics.co.uk>
6139 * lto-wrapper.c (run_gcc): Pass the LTO section name to
6140 simple_object_start_read.
6142 2012-01-23 Richard Guenther <rguenther@suse.de>
6145 PR tree-optimization/51895
6146 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
6147 parameter decomposition into BLKmode components.
6149 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
6151 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
6152 fake variables for restrict-qualified pointers whose pointed-to type
6153 contains a placeholder.
6155 2012-01-23 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/51949
6158 * ipa-split.c (execute_split_functions): Do not split malloc functions.
6160 2012-01-23 Jakub Jelinek <jakub@redhat.com>
6162 PR rtl-optimization/51933
6163 * ree.c (transform_ifelse): Return true right away if dstreg is
6164 already wider or equal to cand->mode.
6165 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
6166 (make_defs_and_copies_lists): Remove defs_list and copies_list
6167 arguments, add state argument, just truncate state->work_list
6168 instead of always allocating and freeing the vector. Assert that
6169 get_defs succeeds instead of returning 2. Changed return type to bool.
6170 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
6171 have ext_src_mode, see if it has been modified already with the
6172 right kind of extension and has been extended before from the
6173 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
6174 just return true. Remember the original mode in state->modified array.
6175 (combine_reaching_defs): Add state argument. Don't allocate and
6176 free here def_list, copied_list and vec vectors, instead just
6177 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
6178 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
6179 Add state variable, clear vectors in it, initialize state.modified
6180 if needed. Free all the vectors at the end and state.modified too.
6181 Don't skip a candidate if the extension expression has been modified.
6183 2012-01-22 Douglas B Rupp <rupp@gnat.com>
6186 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
6187 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
6188 (extra_options) interix.opt -> i386/interix.opt"
6189 (extra_objs):Add winnt-stubs.o
6190 * configure.ac: Add interix to target_os .comm on PE check.
6191 * configure: Regenerate.
6192 * config/interix3.h: Delete and move bits to..
6193 * config/interix.h: Delete and move bits to..
6194 * config/i386/i386-interix3.h: Delete and move bits to..
6195 * config/i386/i386-interix.h: ..here.
6196 (TARGET_CPU_DEFAULT): Remove redefinition.
6197 (TARGET_ASM_CONSTRUCTOR): Undefine.
6198 (SUBTARGET_SWITCHES): Define for ms-bitfields.
6199 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
6200 (PTRDIFF_TYPE): Define.
6201 (LONG_DOUBLE_TYPE_SIZE): Define.
6202 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
6203 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6204 (TARGET_SECTION_TYPE_FLAGS): Define.
6205 (ASM_DECLARE_FUNCTION_NAME): Define.
6206 (ASM_OUTPUT_EXTERNAL): Define.
6207 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
6208 (ASM_OUTPUT_ALIGNED_BSS): Define.
6209 (PCC_BITFIELD_TYPE_MATTERS): Define.
6210 (USE_CONST_SECTION): Define.
6211 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
6212 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
6213 (SUPPORTS_ONE_ONLY): Remove.
6214 (I386_PE_STRIP_ENCODING): Define.
6215 * config/interix.opt: Delete and move bits to..
6216 * config/i386/interix.opt: ..here. New.
6217 (mpe-aligned-commons): Add.
6218 * config/i386/t-interix: Add copyright header.
6219 (winnt-stubs.o): Add rule.
6221 2012-01-22 Jason Merrill <jason@redhat.com>
6224 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
6225 for extra name aliases.
6227 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
6229 PR rtl-optimization/51924
6230 * ree.c (combine_set_extension): Improve debugging message.
6231 (combine_reaching_defs): Likewise.
6232 (get_defs): Rename confusingly named variable.
6233 (find_and_remove_re): Skip a candidate if the extension expression has
6236 2012-01-21 Robert Millan <rmh@gnu.org>
6237 Gerald Pfeifer <gerald@pfeifer.com>
6239 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
6240 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
6242 2012-01-20 Jakub Jelinek <jakub@redhat.com>
6244 PR tree-optimization/51914
6245 * tree-vect-stmts.c (vectorizable_conversion): For
6246 cvt_type && modifier == WIDEN, put temporary with cvt_type
6247 at the beginning of vec_dsts and set vec_dest to temporary
6250 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
6252 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
6254 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
6256 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
6257 * config/rs6000/rs6000.c: Likewise.
6259 2012-01-20 Jakub Jelinek <jakub@redhat.com>
6262 * config/arm/arm.c (arm_count_output_move_double_insns): Call
6263 output_move_double on a copy of operands array.
6265 2012-01-20 Cary Coutant <ccoutant@google.com>
6266 Dodji Seketeli <dodji@redhat.com>
6269 * dwarf2out.c (copy_declaration_context): Return ref to parent
6270 of declaration DIE, if necessary.
6271 (remove_child_or_replace_with_skeleton): Add new parameter; update
6272 caller. Place skeleton DIE under parent DIE of original declaration.
6273 Move call to copy_declaration_context to here ...
6274 (break_out_comdat_types): ... from here.
6276 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6278 PR rtl-optimization/51856
6279 * reload.c (find_reloads_subreg_address): Set the address_reloaded
6282 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6285 * config/arm/arm.c (arm_print_operand): Correct output of alignment
6286 hints for neon loads and stores.
6288 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
6292 * doc/extend.texi (Named Address Spaces): Split into subsections.
6293 (AVR Named Address Spaces): New subsection.
6294 (M32C Named Address Spaces): New subsection.
6295 (RL78 Named Address Spaces): New subsection.
6296 (SPU Named Address Spaces): New subsection.
6297 (Variable Attributes): New anchor "AVR Variable Attributes".
6298 (AVR Variable Attributes): Rewrite and avoid wording
6299 "address space" in this context.
6300 * doc/invoke.texi (AVR Options): Rewrite and add documentation
6301 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
6302 (AVR Built-in Macros): New subsubsection therein.
6303 * doc/md.texi (AVR constraints): Remove "C04", "R".
6305 2012-01-20 Richard Guenther <rguenther@suse.de>
6307 PR tree-optimization/51903
6308 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
6309 when removing stmts.
6311 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6314 * config/arm/arm.c (arm_load_pic_register): Use
6315 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
6316 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
6317 (arm_pic_static_addr): Likewise.
6318 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
6319 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
6320 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
6321 (pic_load_addr_unified): New.
6323 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
6326 * function.c (instantiate_virtual_regs_in_insn): Use
6327 delete_insn_and_edges when removing a wrong asm insn.
6329 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
6331 PR rtl-optimization/40761
6332 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
6333 Add new member loop_num.
6334 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
6335 (ira_build): Remove the parameter.
6337 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
6338 (ira.c): Do not build CFG loops for one region allocation. Remove
6339 argument from ira_build call.
6341 * ira-build.c (init_loop_tree_node): New function.
6342 (create_loop_tree_nodes): Use it. Separate the case when CFG
6343 loops are not built.
6344 (more_one_region_p): Check current_loops.
6345 (finish_loop_tree_nodes): Separate the case when CFG loops are not
6347 (add_loop_to_tree): Process loop equal to NULL too.
6348 (form_loop_tree): Separate the case when CFG loops are not built.
6349 Use explicitly number for the root.
6350 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
6352 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
6353 instead of loop->num.
6354 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
6355 (mark_all_loops_for_removal): Ditto.
6356 (remove_unnecessary_regions): Separate the case when CFG loops
6358 (ira_build): Remove the parameter. Use explicit number of regions
6359 when CFG loops are not built.
6361 * ira-color.c (print_loop_title): Separate the case for the root node.
6362 Use loop_num instead of loop->num.
6363 (move_spill_restore): Use loop_num instead of loop->num.
6365 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
6366 (change_loop): Ditto.
6367 (change_loop): Use loop_num instead of loop->num.
6369 * ira-lives.c (process_bb_node_lives): Ditto.
6371 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
6373 * ira-conflicts.c (print_allocno_conflicts): Ditto.
6375 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6378 * tree-mudflap.c (mf_artificial): New function.
6379 (execute_mudflap_function_ops, execute_mudflap_function_decls,
6380 mx_register_decls, mudflap_enqueue_decl): Use it.
6383 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
6384 numbers in the insn pattern.
6386 2012-01-19 Michael Matz <matz@suse.de>
6388 PR tree-optimization/46590
6389 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
6390 use it in remembering which conflicts we already created.
6391 (add_scope_conflicts): Adjust call to above, (de)allocate helper
6394 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
6397 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
6398 (merge_and_complain): Same.
6400 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6403 * config/initfini-array.h: Guard content of the header
6404 with #ifdef HAVE_INITFINI_ARRAY.
6405 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
6406 Add initfini-array.h to tm_file here.
6407 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
6408 * config.gcc: Don't add initfini-array.h to tm_file here.
6409 * configure: Regenerated.
6411 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
6413 PR rtl-optimization/51505
6414 * df-problems.c (df_kill_notes): New parameter live. Update comment.
6415 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
6416 (df_note_bb_compute): Update the call to df_kill_notes.
6418 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
6420 * trans-mem.c (requires_barrier): Remove call to is_global_var.
6422 2012-01-18 Richard Guenther <rguenther@suse.de>
6424 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
6425 of conversions to void *.
6427 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6428 Richard Sandiford <rdsandiford@googlemail.com>
6432 * optabs.h (simplify_expand_binop): Declare.
6433 * optabs.c (simplify_expand_binop): Make global.
6434 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
6435 endian targets if the source cannot be exactly covered by word
6438 2012-01-17 Jakub Jelinek <jakub@redhat.com>
6441 * hard-reg-set.h (struct hard_reg_set_container): New type.
6442 * target.h (struct hard_reg_set_container): Forward declare.
6443 * target.def (set_up_by_prologue): New target hook.
6444 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
6445 * doc/tm.texi: Regenerated.
6446 * function.c (thread_prologue_and_epilogue_insns): Change
6447 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
6448 Call targetm.set_up_by_prologue on it.
6449 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
6450 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
6452 2012-01-17 Nick Clifton <nickc@redhat.com>
6454 * config/rx/rx.c (rx_can_use_simple_return): New function.
6455 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
6456 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
6458 2012-01-17 Richard Guenther <rguenther@suse.de>
6461 * expr.c (expand_assignment): Take address-space information
6462 from the address operand of MEM_REF and TARGET_MEM_REF.
6463 (expand_expr_real_1): Likewise.
6465 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6467 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
6468 reload dump is requested.
6470 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
6473 * trans-mem.c (requires_barrier): Call may_be_aliased.
6475 2012-01-17 Jakub Jelinek <jakub@redhat.com>
6477 PR tree-optimization/51877
6478 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
6479 call arguments and fndecls compare equal, instead return false if they
6480 don't. Return true only if lhs1 and lhs2 are either both NULL, or
6481 both SSA_NAMEs that are valueized the same, or they satisfy
6484 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6486 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
6488 * configure: Regenerate.
6490 2012-01-16 Jan Hubicka <jh@suse.cz>
6494 * convert.c (convert_to_integer): Use fold_convert for
6495 converting an INTEGER_CST to integer type.
6497 2012-01-16 Jason Merrill <jason@redhat.com>
6500 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
6502 2012-01-16 Jakub Jelinek <jakub@redhat.com>
6505 * config/s390/s390.c (s390_chunkify_start): Don't skip
6506 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
6507 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
6508 If insn is followed by NOTE_INSN_VAR_LOCATION or
6509 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
6510 Don't use location of note insns.
6512 PR tree-optimization/51865
6513 * tree-inline.c (tree_function_versioning): Call remap_decl
6514 on DECL_RESULT whenever it has VOID_TYPE_P type.
6516 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6518 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
6519 for calls to locally-binding MIPS16 functions if only the return
6520 type uses float regs.
6522 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
6523 Richard Sandiford <rdsandiford@googlemail.com>
6525 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
6526 (SYMBOL_32_HIGH): Likewise.
6527 (mips_output_tls_reloc_directive): Declare.
6528 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
6529 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
6530 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
6531 (mips_lo_relocs, mips_hi_relocs): Make extern.
6532 (mips16_stub_function): Move up file.
6533 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
6534 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
6535 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
6536 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
6537 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
6538 (mips_get_tp): Add MIPS16 support.
6539 (mips_legitimize_tls_address): Remove MIPS16 sorry().
6540 Generalize DTPREL and TPREL handling.
6541 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
6542 Add MIPS16 TLS support.
6543 (mips_output_tls_reloc_directive): New function.
6544 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
6545 * config/mips/predicates.md (symbolic_operand_with_high)
6546 (tls_reloc_operand): New predicates.
6547 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
6548 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
6549 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
6550 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
6551 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
6552 (*tls_get_tp_mips16_call_<mode>): Likewise.
6554 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
6556 PR rtl-optimization/51821
6557 * recog.c (peep2_find_free_register): Determine clobbered registers
6560 2012-01-14 Denis Chertykov <chertykov@gmail.com>
6563 * config/avr/avr-protos.h: Revert change of 2012-01-09.
6564 * config/avr/avr.c: Likewise.
6565 * config/avr/avr.h: Likewise.
6567 2012-01-13 Ian Lance Taylor <iant@google.com>
6570 * tree.h (TYPE_QUALS): Add cast to int.
6571 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
6573 2012-01-13 Ian Lance Taylor <iant@google.com>
6575 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
6576 comparing param_index to VEC_length result.
6578 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
6580 * c-decl.c: Do not include tree-mudflap.h
6581 * tree-optimize.c: Likewise.
6582 * Makefile.in: Update dependencies.
6584 2012-01-13 Richard Guenther <rguenther@suse.de>
6587 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
6588 variable-sized result always use RSO.
6590 2012-01-12 DJ Delorie <dj@redhat.com>
6592 * cfgexpand.c (convert_debug_memory_address): Allow any valid
6593 pointer type, not just the default pointer type.
6595 2012-01-09 Richard Henderson <rth@redhat.com>
6596 Denis Chertykov <chertykov@gmail.com>
6599 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
6600 * config/avr/avr.c (avr_can_eliminate): Simplify.
6601 (avr_initial_elimination_offset): Likewise.
6602 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
6603 (expand_epilogue): Likewise.
6604 (avr_legitimize_address): Gut.
6605 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
6606 (avr_hard_regno_nregs): New.
6607 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
6608 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
6609 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
6610 add soft frame pointer.
6611 (CALL_USED_REGISTERS): Likewise.
6612 (REG_CLASS_CONTENTS): Likewise.
6613 (REGISTER_NAMES): Likewise.
6614 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
6615 (HARD_FRAME_POINTER_REGNUM): New.
6616 (FRAME_POINTER_REGNUM): Use soft frame pointer.
6617 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
6618 remove the HARD_FRAME_POINTER self-elimination.
6620 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
6623 * config/avr/avr.c (avr_encode_section_info): Test for absence of
6624 DECL_EXTERNAL when checking for initializers of progmem variables.
6626 2012-01-12 Ira Rosen <irar@il.ibm.com>
6628 PR tree-optimization/51799
6629 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
6630 that the last operation is a type demotion.
6632 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
6634 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
6635 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
6637 2012-01-11 Jakub Jelinek <jakub@redhat.com>
6640 * combine.c (distribute_notes): If i3 is a noreturn call,
6641 allow old_size to be equal to args_size and make sure the
6642 noreturn call gets REG_ARGS_SIZE note.
6643 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
6644 on noreturn calls even when the delta is 0.
6646 2012-01-11 Nathan Sidwell <nathan@acm.org>
6648 * gcov.c (STRING_SIZE): Remove.
6649 (generate_results): Erase annotations for source files with no
6650 coverage information.
6652 (output_lines): Use it.
6654 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6656 * gimple.h (gimplify_body): Remove first argument.
6657 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
6658 pointer set here, instead just pass DATA to walk_tree.
6659 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
6660 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
6661 (unvisit_body): Likewise, but with unmark_visited.
6662 (gimplify_body): Remove BODY_P argument and adjust.
6663 (gimplify_function_tree): Adjust call to gimplify_body.
6664 * omp-low.c (finalize_task_copyfn): Likewise.
6666 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6668 * tree.h (build_function_decl_skip_args): Add boolean parameter.
6669 (build_function_type_skip_args): Delete.
6670 * tree.c (build_function_type_skip_args): Make static and add
6671 SKIP_RETURN parameter. Fix thinko in the handling of variants.
6672 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
6673 pass it to build_function_type_skip_args.
6674 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
6675 (tree_function_versioning): Likewise.
6676 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
6677 build_function_decl_skip_args.
6678 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
6679 and pass it to build_function_decl_skip_args/tree_function_versioning.
6680 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
6681 * ipa-inline-transform.c (save_inline_function_body): Likewise.
6682 * trans-mem.c (ipa_tm_create_version): Likewise.
6683 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
6684 * tree-inline.c (declare_return_variable): Remove always-true test.
6685 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
6686 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
6687 * ipa-split.c (split_function): Skip the return value for the split
6688 part if it doesn't return.
6690 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6692 PR tree-optimization/49642
6693 * ipa-split.c (forbidden_dominators): New variable.
6694 (check_forbidden_calls): New function.
6695 (dominated_by_forbidden): Likewise.
6696 (consider_split): Check for forbidden dominators.
6697 (execute_split_functions): Initialize and free forbidden
6698 dominators info; call check_forbidden_calls.
6700 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6702 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
6704 2012-01-11 Nick Clifton <nickc@redhat.com>
6706 * config/rx/rx.md (return): Define pattern.
6708 2012-01-11 Richard Guenther <rguenther@suse.de>
6710 * doc/extend.texi (malloc attribute): Adjust according to
6713 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
6714 Patrick Marlier <patrick.marlier@gmail.com>
6717 * trans-mem.c (get_cg_data): Traverse aliases if requested.
6718 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
6719 (ipa_tm_note_irrevocable): Same.
6720 (ipa_tm_scan_irr_block): Same.
6721 (ipa_tm_decrement_clone_counts): Same.
6722 (ipa_tm_scan_irr_function): Same.
6723 (ipa_tm_create_version_alias): Same.
6724 (ipa_tm_create_version): Same.
6725 (ipa_tm_transform_calls_redirect): Same.
6726 (ipa_tm_transform_calls): Same.
6727 (ipa_tm_transform_transaction): Same.
6728 (ipa_tm_execute): Same.
6730 2012-01-10 Richard Guenther <rguenther@suse.de>
6733 * opts.c (common_handle_option): Handle -Werror.
6735 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
6737 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
6740 2012-01-10 Jason Merrill <jason@redhat.com>
6742 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
6745 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6747 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
6748 supports R_386_TLS_GD_PLT reloc.
6749 (gcc_cv_as_ix86_tlsldmplt): Check if linker
6750 supports R_386_TLS_LDM_PLT reloc.
6751 * configure: Regenerate.
6752 * config.in: Regenerate.
6754 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
6757 Extend __pgmx semantics to linearize memory.
6758 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
6759 determine if code comes inline or from libgcc.
6760 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
6761 (movmem_qi, movmem_qi): Set constraint #2 to "n".
6762 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
6763 (movmemx_qi, movmemx_hi): New insns.
6764 (xload_<mode>_libgcc): Rewrite to new insn condition.
6765 (xload_<mode>): Remove insns.
6766 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
6767 cases that don't satisfy avr_xload_libgcc_p().
6768 (avr_addr_space_convert): Allow converting in any direction.
6769 (avr_addr_space_subset_p): Return always true.
6770 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
6771 (avr_emit_movmemhi): Ditto.
6772 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6773 (avr_out_movmem): Ditto.
6774 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6775 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6776 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6777 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6778 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6780 2012-01-10 Richard Guenther <rguenther@suse.de>
6782 PR tree-optimization/50913
6783 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6784 Require data-refs to be representable by Graphite with respect
6787 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6789 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6790 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6792 2012-01-10 Tom de Vries <tom@codesourcery.com>
6794 PR rtl-optimization/51271
6795 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6796 handling annulled branch.
6798 2012-01-10 Richard Henderson <rth@redhat.com>
6800 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6801 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6802 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6803 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6804 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6805 arm_expand_vec_perm_const): New.
6806 * config/arm/arm-protos.h: Update.
6807 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6808 (*neon_vswp<VDQX>): New.
6809 (neon_vcombine<VDX>): Use neon_split_vcombine.
6810 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6811 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6812 (vec_perm<VE>): New.
6814 2012-01-10 Richard Henderson <rth@redhat.com>
6816 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6817 use it if reload_completed.
6818 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6819 arm_output_asm_insn, arm_process_output_memory_barrier,
6820 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6821 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6822 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6823 arm_process_output_sync_insn, arm_output_sync_insn,
6824 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6825 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6826 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6827 (emit_unlikely_jump): New.
6828 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6829 (arm_split_atomic_op): New.
6830 * config/arm/arm-protos.h: Update.
6831 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6832 (struct arm_sync_generator): Remove.
6833 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6834 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6835 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6836 (VUNSPEC_LL, VUNSPEC_SC): New.
6837 (sync_result, sync_memory, sync_required_value, sync_new_value,
6838 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6839 (attr length): Don't use arm_sync_loop_insns.
6840 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6841 (movsfcc, movdfcc): Likewise.
6842 * config/arm/constraints.md (Ua): New.
6843 * config/arm/prediates.md (mem_noofs_operand): New.
6844 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6845 (sync_clobber, sync_t2_reqd): Remove.
6846 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6847 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6848 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6849 (arm_sync_compare_and_swap<SIDI>): Remove.
6850 (arm_sync_compare_and_swap<NARROW>): Remove.
6851 (arm_sync_lock_test_and_set<SIDI>): Remove.
6852 (arm_sync_lock_test_and_set<NARROW>): Remove.
6853 (arm_sync_new_<syncop><SIDI>): Remove.
6854 (arm_sync_new_<syncop><NARROW>): Remove.
6855 (arm_sync_new_nand<SIDI>): Remove.
6856 (arm_sync_new_nand<NARROW>): Remove.
6857 (arm_sync_old_<syncop><SIDI>): Remove.
6858 (arm_sync_old_<syncop><NARROW>): Remove.
6859 (arm_sync_old_nand<SIDI>): Remove.
6860 (arm_sync_old_nand<NARROW>): Remove.
6861 (*memory_barrier): Merge arm_output_memory_barrier.
6862 (atomic_compare_and_swap<QHSD>): New.
6863 (atomic_compare_and_swap<NARROW>_1): New.
6864 (atomic_compare_and_swap<SIDI>_1): New.
6865 (atomic_exchange<QHSD>): New.
6866 (cas_cmp_operand, cas_cmp_str): New.
6867 (atomic_op_operand, atomic_op_str): New.
6868 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6869 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6870 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6871 (arm_load_exclusive<NARROW>): New.
6872 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6873 (arm_store_exclusive<QHSD>): New.
6875 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6877 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6878 reload patterns if -mvsx-scalar-memory.
6880 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6881 generated, even -mno-vsx-scalar-double was used.
6882 (vsx_xscvdpsp_scalar): Likewise.
6883 (vsx_xscvspdp_scalar2): Likewise.
6885 2012-01-09 Tom de Vries <tom@codesourcery.com>
6886 Andrew Pinski <apinski@cavium.com>
6889 * reorg.c (fill_slots_from_thread): Don't speculate
6890 frame-related insns.
6892 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6894 * sched-int.h (bb_note): Move to...
6895 * basic-block.h: ...here.
6896 * haifa-sched.c (bb_note): Move to...
6897 * cfgrtl.c: ...here.
6898 * function.c (next_block_for_reg): New function.
6899 (move_insn_for_shrink_wrap): Likewise.
6900 (prepare_shrink_wrap): Rewrite to use the above.
6902 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6904 * gimple.c (is_gimple_non_addressable): Remove.
6905 * gimple.h: Remove is_gimple_non_addressable.
6906 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6907 is_gimple_non_addressable.
6908 * trans-mem.c (expand_assign_tm): Same.
6910 2012-01-09 Richard Guenther <rguenther@suse.de>
6912 PR tree-optimization/51775
6913 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6914 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6916 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6918 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6920 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6922 2012-01-09 Richard Guenther <rguenther@suse.de>
6924 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6926 2012-01-08 Jan Hubicka <jh@suse.cz>
6928 PR tree-optimize/51680
6929 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6930 on when known_vals needs to be computed; cleanup.
6932 2012-01-08 Jan Hubicka <jh@suse.cz>
6934 PR tree-optimize/51694
6935 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6937 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6939 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6940 for -std=c++98 and -std=c++11 too.
6942 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6944 * cfgloop.c (cancel_loop): Add free() of bbs array.
6946 2012-01-07 Jan Hubicka <jh@suse.cz>
6948 PR tree-optimization/51600
6949 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6950 that benefits small functions.
6952 2012-01-07 Jan Hubicka <jh@suse.cz>
6954 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6956 2012-01-07 Jan Hubicka <jh@suse.cz>
6958 PR tree-optimization/51680
6959 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6960 whose inlining reduce unit size.
6962 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6965 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6966 Add canonical node to containing_mem chain after the non-canonical
6967 one, even if there weren't any locs to propagate.
6968 (remove_useless_values): Keep only canonical values.
6969 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6970 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6971 canonicalize mem_chain elements that are not discarded.
6973 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6976 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6977 before emitting functions.
6979 PR gcov-profile/50127
6980 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6981 clear_aux_for_blocks.
6983 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6986 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6988 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6990 * c-decl.c (ext_block): Moved up.
6991 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6993 2012-01-06 Han Shen <shenhan@google.com>
6995 Translate built-in include paths for sysroot.
6996 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6997 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6999 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
7000 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
7002 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
7003 control whether sysroot should be prepended to gxx include dir.
7005 * configure: Regenerate.
7007 2012-01-06 Torvald Riegel <triegel@redhat.com>
7009 PR rtl-optimization/51771
7010 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
7011 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
7013 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
7015 PR tree-optimization/51315
7016 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
7017 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
7019 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
7022 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
7023 for shrp pattern. Correctly handle and fixup shift variable.
7024 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
7026 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7029 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
7030 note when !ACCUMULATE_OUTGOING_ARGS.
7032 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
7034 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
7036 (extract_range_from_unary_expr_1): Avoid useless computations.
7038 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7040 PR rtl-optimization/51767
7041 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
7042 of jump_block and add an extra edge for degenerated asm gotos.
7045 * stmt.c (check_unique_operand_names): Don't ICE during error
7046 reporting if i is from labels chain.
7049 * profile.c (branch_prob): Split bbs that have exit edge
7050 and need a fake entry edge too.
7052 2012-01-05 Jan Hubicka <jh@suse.cz>
7055 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
7058 2012-01-05 Richard Guenther <rguenther@suse.de>
7061 * tree-streamer-out.c (write_ts_optimization): New function.
7062 (streamer_write_tree_body): Call it.
7063 * tree-streamer-in.c (lto_input_ts_optimization): New function.
7064 (streamer_read_tree_body): Call it.
7065 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
7067 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7070 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
7071 * gimplify.c (gimplify_cleanup_point_expr): Save and set
7072 in_cleanup_point_expr before gimplify_stmt call and restore it
7074 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
7075 in_cleanup_point_expr is false.
7077 2012-01-05 Richard Guenther <rguenther@suse.de>
7080 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
7082 * toplev.c (process_options): Reject combining mudflap and LTO.
7083 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
7085 2012-01-05 Richard Guenther <rguenther@suse.de>
7087 PR tree-optimization/51760
7088 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
7090 (bit_value_unop): Handle UNDEFINED operands.
7091 (bit_value_binop): Likewise.
7093 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
7095 * config/avr/avr.c (avr_replace_prefix): Remove.
7096 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
7097 (avr_asm_function_rodata_section): Ditto.
7098 (avr_asm_select_section): Ditto.
7100 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
7102 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
7105 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7108 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
7109 calls that have any non-fake successor edges.
7112 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
7114 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
7116 PR tree-optimization/51624
7117 * tree-sra.c (build_ref_for_model): When replicating a chain of
7118 COMPONENT_REFs, stop as soon as the offset would become negative.
7120 2012-01-04 Jakub Jelinek <jakub@redhat.com>
7123 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
7124 in .debug_loc on the floor.
7126 2012-01-04 Andrew Pinski <apinski@cavium.com>
7128 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
7130 2012-01-04 Andrew Pinski <apinski@cavium.com>
7131 Adam Nemet <anemet@caviumnetworks.com>
7133 * config/mips/mips.md (size): Add SI and DI.
7134 (SIZE): New mode attribute.
7135 (U): New code attribute.
7136 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
7137 (mips_lbux_<mode>): Delete.
7138 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
7139 (mips_lhx): Use gen_mips_lhx_extsi.
7140 (mips_lhx_<mode>): Delete.
7142 (mips_l<size>x): New expand.
7143 (mips_lwx_<mode>): Delete.
7144 (mips_l<GPR:size>x_<P:mode>): New pattern.
7145 (*mips_lw<u>x_<P:mode>_ext): Likewise.
7146 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
7147 * config/mips/mips.c (mips_lx_address_p): New function.
7148 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
7149 (dsp64): New availability predicate.
7150 (mips_builtins): Add an entry for __builtin_mips_ldx.
7151 * config/mips/mips.h (ISA_HAS_LBX): New define.
7152 (ISA_HAS_LBUX): Likewise.
7153 (ISA_HAS_LHX): Likewise.
7154 (ISA_HAS_LHUX): Likewise.
7155 (ISA_HAS_LWX): Likewise.
7156 (ISA_HAS_LWUX): Likewise.
7157 (ISA_HAS_LDX): Likewise.
7158 * doc/extend.texi (__builtin_mips_ldx): Document.
7160 2012-01-04 Tristan Gingold <gingold@adacore.com>
7162 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
7163 when long pointers are used.
7164 * config.build (*-*-*vms*): Handle all OpenVMS targets.
7165 (alpha64-dec-*vms*, alpha*-dec-*vms*)
7166 (ia64-hp-*vms*): Remove.
7167 * config/vms/xm-vms64.h: Delete.
7169 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7172 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
7174 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7176 * opts.c (finish_options): Remove duplicate sorry.
7178 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7181 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
7184 2012-01-04 Richard Guenther <rguenther@suse.de>
7187 * tree.c (size_low_cst): New function.
7188 * tree.h (size_low_cst): Declare.
7189 * fold-const.c (fold_comparison): Use it to extract the low
7190 part of the POINTER_PLUS_EXPR offset.
7192 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
7194 Fix clearing ZERO_REG
7195 * config/avr/avr.md (cc): Add alternative "ldi".
7196 (movqi_insn): Use it in cc attribute.
7197 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
7198 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
7199 (output_reload_insisf): Use ZERO_REG to pre-clear register.
7201 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7203 * configure: Regenerate.
7205 2012-01-04 Richard Guenther <rguenther@suse.de>
7207 PR tree-optimization/49651
7208 * tree-ssa-structalias.c (type_can_have_subvars): New function.
7209 (var_can_have_subvars): Use it.
7210 (get_constraint_for_1): Only consider subfields if there can be any.
7212 2012-01-03 Jakub Jelinek <jakub@redhat.com>
7215 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
7216 to its new canonical_cselib_val and the cselib_val was in
7217 first_containing_mem chain, but the canonical_cselib_val was not,
7218 add the latter into the chain.
7219 (cselib_invalidate_mem): Compare canonical_cselib_val of
7220 addr_list chain elt with v.
7223 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
7224 dwarf2out_undef): Allocate e.info using ggc_strdup instead
7226 (output_macinfo_op): Don't ggc_strdup fd->filename.
7227 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
7228 then ggc_strdup it. Don't free inc->info or cur->info.
7229 (output_macinfo): Don't free ref->info or file->info.
7231 2012-01-03 Ira Rosen <irar@il.ibm.com>
7233 PR tree-optimization/51269
7234 * tree-vect-loop-manip.c (set_prologue_iterations): Make
7235 first_niters a pointer.
7236 (slpeel_tree_peel_loop_to_edge): Likewise.
7237 (vect_do_peeling_for_loop_bound): Update call to
7238 slpeel_tree_peel_loop_to_edge.
7239 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
7240 here. Remove it from the parameters list.
7241 (vect_do_peeling_for_alignment): Update calls and compute
7244 2012-01-03 Richard Guenther <rguenther@suse.de>
7246 PR tree-optimization/51070
7247 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
7248 Properly handle calls.
7250 2012-01-03 Richard Guenther <rguenther@suse.de>
7252 PR tree-optimization/51692
7253 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
7254 the LHS of allocation stmts.
7256 2012-01-03 Olivier Hainque <hainque@adacore.com>
7258 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
7260 2012-01-03 Olivier Hainque <hainque@adacore.com>
7262 * collect2.c (main): In AIX specific computations for vector
7263 insertions, use CONST_CAST2 to cast from char ** to const char **.
7265 2012-01-03 Richard Guenther <rguenther@suse.de>
7268 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
7269 the context of a limbo DIE when it does not already exist.
7271 2012-01-03 Jakub Jelinek <jakub@redhat.com>
7273 PR tree-optimization/51719
7274 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
7275 but direct call is, clear direct call's lhs and don't add fallthrough
7276 edge from dcall_bb to join_bb and PHIs.
7278 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7280 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
7281 the instructions emitted by the pattern.
7282 ("*TDC_insn_<mode>"): Add comment.
7284 2012-01-03 Richard Guenther <rguenther@suse.de>
7287 * fold-const.c (fold_comparison): Properly canonicalize
7288 tree offset and HOST_WIDE_INT bit position.
7290 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
7292 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
7293 operands for extzv pattern.
7295 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7298 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
7301 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
7303 * doc/invoke.texi (-flto and related options): Copy-edit.
7305 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7307 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
7309 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7311 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
7314 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7316 * expr.h (move_by_pieces_ninsns): Declare.
7317 * expr.c (move_by_pieces_ninsns): Make external.
7318 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
7319 (mips_store_by_pieces_p): Likewise.
7320 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
7321 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
7322 * config/mips/mips.c (mips_move_by_pieces_p): New function.
7323 (mips_store_by_pieces_p): Likewise.
7325 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7327 * passes.c (register_one_dump_file): Free full_name.
7329 * reload1.c (reload): Don't allocate reg_max_ref_width here.
7330 (calculate_elim_costs_all_insns): Free offsets_at and
7331 offsets_known_at at the end and clear the pointers.
7333 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7335 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
7336 this option introduced in r180739.
7338 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7341 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
7342 (tmake_file target=avr): Add avr/t-multilib.
7344 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
7345 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
7346 * config/avr/genmultilib.awk: New file.
7347 * config/avr/t-multilib: New auto-generated file.
7348 * config/avr/multilib.h: New auto-generated file.
7349 * config/avr/t-avr (AVR_MCUS): New variable.
7350 (genopt.sh): Use it.
7351 (s-mlib): Depend on t-multilib.
7352 (t-multilib, multilib.h): New dependencies.
7353 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
7354 (MULTILIB_OPTIONS): Remove.
7355 (MULTILIB_MATCHES): Remove.
7356 (MULTILIB_DIRNAMES): Remove.
7357 (MULTILIB_EXCEPTIONS): Remove:
7358 * config/avr/genopt.sh: Don't use hard coded file name;
7359 pass AVR_MCUS from t-avr instead.
7361 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7363 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
7365 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7367 Implement light-weight DImode support.
7368 * config/avr/avr-dimode.md: New file.
7369 * config/avr/avr.md: Include it.
7370 (adjust_len): Add plus64, compare64.
7371 (HIDI): Remove code iterator.
7372 (code_stdname): New code attribute.
7373 (rotx, rotsmode): Remove DI.
7374 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
7376 * config/avr/avr-protos.h (avr_have_dimode): New.
7377 (avr_out_plus64, avr_out_compare64): New.
7378 * config/avr/avr.c (avr_out_compare): Handle DImode.
7379 (avr_have_dimode): New variable definition and initialization.
7380 (avr_out_compare64, avr_out_plus64): New functions.
7381 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
7382 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
7383 (avr_compare_pattern): Skip DImode comparisons.
7385 2012-01-02 Revital Eres <revital.eres@linaro.org>
7387 * ddg.c (def_has_ccmode_p): New function.
7388 (add_cross_iteration_register_deps,
7389 create_ddg_dep_from_intra_loop_link): Call it.
7391 2012-01-02 Richard Guenther <rguenther@suse.de>
7394 * invoke.texi (fassociative-math): Remove spurious paranthesis.
7396 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7398 * gcc.c (process_command): Update copyright notice dates.
7399 * gcov.c (print_version): Likewise.
7400 * gcov-dump.c (print_version): Likewise.
7401 * mips-tfile.c (main): Likewise.
7402 * mips-tdump.c (main): Likewise.
7404 2012-01-01 Ira Rosen <irar@il.ibm.com>
7406 PR tree-optimization/51704
7407 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
7408 a use is inside the basic block or loop before accessing its vect info.
7410 2012-01-01 Jan Hubicka <jhjh@suse.cz>
7412 PR rtl-optimization/51069
7413 * cfgloopmanip.c (remove_path): Removing path making irreducible
7414 region unconditional makes BB part of the region.
7416 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7418 PR tree-optimization/51683
7419 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
7420 calls with side-effects.
7421 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
7423 Copyright (C) 2012 Free Software Foundation, Inc.
7425 Copying and distribution of this file, with or without modification,
7426 are permitted in any medium without royalty provided the copyright
7427 notice and this notice are preserved.