1 2012-12-14 Yvan Roux <yvan.roux@linaro.org>
3 * optabs.c (expand_atomic_store): Elide redundant model test.
5 2012-12-13 Richard Henderson <rth@redhat.com>
8 * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
10 2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
13 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
14 (tldo_stb_sp64): Likewise.
15 (tldo_sth_sp32): Likewise.
16 (tldo_sth_sp64): Likewise.
17 (tldo_stw_sp32): Likewise.
18 (tldo_stw_sp64): Likewise.
19 (tldo_stx_sp64): Likewise.
21 2012-12-10 Kai Tietz <ktietz@redhat.com>
24 * print-tree.c (print_node): Cast from pointer via uintptr_t.
26 2012-12-07 Uros Bizjak <ubizjak@gmail.com>
28 Backport from mainline
29 2012-12-06 Uros Bizjak <ubizjak@gmail.com>
30 H.J. Lu <hongjiu.lu@intel.com>
33 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
34 before using it as insn or call equivalent.
36 2012-12-06 Jason Merrill <jason@redhat.com>
39 * tree.c (build_array_type_1): Re-layout if we found it in the
42 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
44 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
45 opaque cond in all call insns.
47 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
49 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
50 area if the function allocates dynamic stack space.
51 (ia64_initial_elimination_offset): Adjust offsets to above change.
53 2012-12-03 Richard Biener <rguenther@suse.de>
55 Backport from mainline
56 2012-09-24 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/53663
59 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
60 native encode/interpret translation on VN_WALKREWRITE.
62 2012-12-03 Kai Tietz <ktietz@redhat.com>
65 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
68 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
71 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
73 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
75 Backport from mainline:
76 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
79 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
80 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
81 (in_nullified_branch_delay): Likewise.
82 (in_call_delay): Likewise.
83 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
84 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
85 the $$sh_func_adrs call as variable. Update type of sibcalls and
87 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
88 length instead of adjustment. Handle negative and undefined call
89 adjustments for insn_default_length. Remove adjustment for millicode
90 insn with unfilled delay slot.
91 (pa_output_millicode_call): Update for revised millicode length.
92 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
94 2012-11-29 Kai Tietz <ktietz@redhat.com>
97 * prefix.c (lookup_key): Replace xmalloc/xrealloc
98 use by XNEWVEC/XRESIZEVEC.
100 * i386.c (get_scratch_register_on_entry): Handle
102 (split_stack_prologue_scratch_regno): Likewise.
103 (ix86_static_chain): Likewise.
104 (x86_output_mi_thunk): Likewise.
106 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
108 Backported from mainline
109 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
110 Markus Trippelsdorf <markus@trippelsdorf.de>
113 * lto-opts.c (lto_write_options): Also handle
114 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
115 OPT_SPECIAL_program_name.
118 * lto-wrapper.c (merge_and_complain): Handle
119 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
120 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
122 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
124 PR rtl-optimization/55489
125 * gcse.c (compute_transp): Precompute a canonical version
126 of XEXP (x, 0), and pass it to canon_true_dependence.
128 2012-11-27 Richard Biener <rguenther@suse.de>
131 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
132 stmt with a NOP instead of removing it.
134 2012-11-26 Richard Biener <rguenther@suse.de>
136 Backport from mainline
137 2012-10-19 Richard Biener <rguenther@suse.de>
139 PR tree-optimization/54976
140 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
141 Robustify against odd inner_mode inputs.
143 2012-10-12 Richard Biener <rguenther@suse.de>
145 PR tree-optimization/54894
146 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
147 Handle over-aligned scalar types properly.
149 2012-10-02 Richard Guenther <rguenther@suse.de>
152 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
155 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
157 Backport from mainline
158 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
160 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
161 explaining the register ordering preferences.
163 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
164 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
165 constraints so that the traditional floating point loads, stores,
166 and moves are done first, then the VSX loads, stores, and moves,
167 and finally the GPR loads, stores, and moves so that reload
168 chooses FPRs over GPRs, and uses the traditional load/store
169 instructions which provide an offset.
170 (movdf_hardfloat64): Likewise.
172 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
174 Backported from mainline
175 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
176 H.J. Lu <hongjiu.lu@intel.com>
179 * config/i386/i386.c (legitimize_pic_address): Properly handle
181 (ix86_print_operand_address): Set code to 'k' when forcing
182 addr32 prefix. For x32, zero-extend negative displacement if
185 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
187 * common.opt (fvar-tracking-uninit): Document.
188 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
189 * config/darwin.c (darwin_override_options): Likewise.
191 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
193 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
194 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
196 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
198 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
200 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
202 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
205 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
207 Backport from mainline
208 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
210 * config/i386/i386.c (ix86_init_machine_status): Do not
211 explicitly clear tls_descriptor_call_expanded_p again.
213 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
216 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
217 as read and written by the instruction.
219 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
222 (ix86_instantiate_decls): New function.
223 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
224 stack slot instead of SLOT_VIRTUAL.
225 <case IX86_BUILTIN_STMXCSR>: Ditto.
226 (assign_386_stack_local): Do not assert when virtual slot is valid.
227 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
228 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
229 (truncxf<mode>2): Ditto.
230 (floatunssi<mode>2): Ditto.
231 (isinf<mode>2): Ditto.
232 * config/i386/sync.md (atomic_load<mode>): Ditto.
233 (atomic_store<mode>): Ditto.
235 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
238 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
239 the argument is itself a conditional expression.
241 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
243 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
246 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
248 PR tree-optimization/54986
249 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
250 conversions on entry but add them back on exit if needed.
252 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
255 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
257 (print_reg): Use true_regnum rather than REGNO.
258 (ix86_print_operand_address): Remove SUBREG handling.
260 2012-11-05 Jakub Jelinek <jakub@redhat.com>
262 Backported from mainline
263 2012-10-24 Jakub Jelinek <jakub@redhat.com>
266 * gimple.h (is_gimple_sizepos): New inline function.
267 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
268 final assignment to expr variable.
269 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
270 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
271 into a local temporary.
273 2012-10-10 Jakub Jelinek <jakub@redhat.com>
275 PR tree-optimization/54877
276 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
277 use make_ssa_name instead of copy_ssa_name.
279 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
281 Backport from mainline
282 2012-10-31 Jakub Jelinek <jakub@redhat.com>
284 PR tree-optimization/53708
285 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
286 user-supplied alignment when used with an explicit section name.
288 2012-11-02 Jeff Law <law@redhat.com>
290 PR tree-optimization/54985
291 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
292 from thread_across_edge.
293 (thread_across_edge): Use it in all cases where we might thread
296 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
298 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
299 special register pushes before frame probing and allocation.
301 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
302 Joel Sherrill <joel.sherrill@oarcorp.com>
304 * config/sparc/t-rtems: New (Custom multilibs).
305 * config/sparc/t-rtems-64: New (Custom multilibs).
306 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
307 (sparc-*-rtems*): Add sparc/t-rtems.
309 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
311 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
313 (hash_rtx): Likewise.
315 2012-10-29 Terry Guo <terry.guo@arm.com>
317 Backport from mainline
318 2012-10-11 Terry Guo <terry.guo@arm.com>
320 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
322 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
325 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
327 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
328 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
330 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
332 * config/avr/t-rtems: Revert previous commit.
334 2012-10-26 Terry Guo <terry.guo@arm.com>
336 Backport from mainline
337 2012-10-23 Terry Guo <terry.guo@arm.com>
340 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
343 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
345 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
347 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
349 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
351 * config.gcc (microblaze*-*-rtems*): New target.
352 * config/microblaze/rtems.h: New.
353 * config/microblaze/t-rtems: New.
355 2012-10-25 Richard Biener <rguenther@suse.de>
357 PR tree-optimization/54902
358 * tree-ssa-pre.c (fini_pre): Return TODO.
359 (execute_pre): Adjust.
360 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
361 blocks before computing dominators.
363 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
365 Backport from mainline
366 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
368 * config/i386/i386.c (memory_address_length): Assert that non-null
369 base or index RTXes are registers. Do not check for REG RTXes.
370 Determine addr32 prefix using SImode_address_operand or
371 from original base and index RTXes. Simplify code.
373 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
375 * config/i386/i386-protos.h (memory_address_length): Add new bool
376 argument. Update all uses.
377 * config/i386/i386.c (memory_address_length): If not LEA insn, then
378 add length of addr32 prefix based on mode of base or index register.
379 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
380 addresses here. Update call to memory_address_length.
381 (ix86_print_address_operand): Use SImode_address_operand predicate.
382 * config/i386/predicates.md (SImode_address_operand): New.
383 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
384 to calculate "mode" attribute. Use SImode_address_operand predicate
385 instead of open-coding accepted RTX codes.
387 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
389 Backport from 2012-10-22 trunk r192685.
390 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
391 Note __AVR_<device>__ is not defined for cores.
392 Don't point to --help=target.
393 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
395 2012-10-19 Marek Polacek <polacek@redhat.com>
397 Backported from mainline
398 2012-10-19 Marek Polacek <polacek@redhat.com>
401 * fold-const.c (fold_sign_changed_comparison): Punt if folding
402 pointer/non-pointer comparison.
404 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
406 Backported from mainline
407 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
410 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
411 sure the mode is correct when falling through from above cases.
413 2012-10-19 Alan Modra <amodra@gmail.com>
415 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
416 (HAVE_LD_LARGE_TOC): Likewise.
417 * configure: Regenerate.
419 2012-10-19 Alan Modra <amodra@gmail.com>
421 * config/rs6000/predicates.md (splat_input_operand): Don't call
422 input_operand for MEMs. Instead check for volatile and call
423 memory_address_addr_space_p with modified mode.
425 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
427 Backported from mainline
428 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
430 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
432 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
434 PR rtl-optimization/54870
435 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
436 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
437 SSA_NAME pointer that points to a partition if there is at least
438 one variable with it set in the partition.
439 * dse.c (local_variable_can_escape): New predicate.
440 (can_escape): Call it.
441 * gimplify.c (mark_addressable): If this is a partitioned decl, also
442 mark the SSA_NAME pointer that points to a partition.
444 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
446 Backport from mainline
447 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
449 PR rtl-optimization/53701
450 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
451 rocess not only expr's vinsns but all old vinsns from expr's
454 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
456 Backport from mainline
457 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
460 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
462 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
463 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
464 only if producer writes to the register given by regno.
466 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
468 Backport from mainline
469 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
471 * config/i386/sse.md (UNSPEC_MOVU): Remove.
473 (UNSPEC_STOREU): Ditto.
474 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
475 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
476 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
477 (<sse2>_movdqu<avxsizesuffix>): Split to ...
478 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
479 (<sse2>_storedqu<avxsizesuffix>): ... this.
480 (*sse4_2_pcmpestr_unaligned): Update.
481 (*sse4_2_pcmpistr_unaligned): Ditto.
483 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
484 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
485 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
486 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
487 gen_sse2_load{dqu,upd} to load from unaligned memory and
488 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
490 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
491 Use CODE_FOR_sse_loadups.
492 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
493 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
494 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
495 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
496 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
497 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
498 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
499 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
500 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
501 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
502 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
504 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
506 Backport from trunk (r190222):
508 PR tree-optimization/54146
509 * ifcvt.c: Include pointer-set.h.
510 (cond_move_process_if_block): Change type of then_regs and
511 else_regs from alloca'd array to pointer_sets.
512 (check_cond_move_block): Update for this change.
513 (cond_move_convert_if_block): Likewise.
514 * Makefile.in: Fix dependencies for ifcvt.o.
516 2012-10-15 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/54920
519 * tree-ssa-pre.c (create_expression_by_pieces): Properly
520 allocate temporary storage for all NARY elements.
522 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
525 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
527 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
529 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
530 default_use_cxa_atexit to yes.
532 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
534 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
536 2012-10-05 Jan Hubicka <jh@suse.cz>
537 Jakub Jelinek <jakub@redhat.com>
539 PR tree-optimization/33763
540 * tree-inline.c (expand_call_inline): Silently ignore always_inline
541 attribute for redefined extern inline functions.
543 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
545 Backported from mainline
546 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
548 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
549 in SSE and YMM state support check for -march=native.
551 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
554 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
557 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
559 Backported from mainline
560 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
563 * doc/invoke.texi: Document -mprefer-avx128.
565 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
567 Backported from mainline
568 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
571 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
572 (XSTATE_FP): Likewise.
573 (XSTATE_SSE): Likewise.
574 (XSTATE_YMM): Likewise.
575 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
576 SSE and YMM states aren't supported.
578 2012-10-01 Tom de Vries <tom@codesourcery.com>
580 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
583 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
586 * config/s390/s390.c (s390_option_override): Add missing break.
588 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
590 Backport from mainline
591 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
593 * config.gcc: Replace 'host' with 'target' when configuring for
594 powerpc64*-*-freebsd.
596 2012-09-28 Meador Inge <meadori@codesourcery.com>
598 Backport from mainline
599 2012-09-27 Meador Inge <meadori@codesourcery.com>
601 * gcc-ar.c (main): Handle the returning of the sub-process error
604 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
606 Backport from 2012-09-28 trunk r191821.
607 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
609 2012-09-27 Jakub Jelinek <jakub@redhat.com>
612 * simplify-rtx.c (simplify_binary_operation_1): Perform
613 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
615 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
617 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
618 TYPE_NONALIASED_COMPONENT flag.
619 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
620 TYPE_NONALIASED_COMPONENT flag.
622 2012-09-21 Richard Guenther <rguenther@suse.de>
625 Backport from mainline
626 2012-04-19 Richard Guenther <rguenther@suse.de>
628 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
631 2012-09-20 Joseph Myers <joseph@codesourcery.com>
634 * c-typeck.c (c_cast_expr): When casting to a type requiring
635 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
638 2012-09-20 Joseph Myers <joseph@codesourcery.com>
641 * c-typeck.c (build_unary_op): Pass original argument of
642 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
643 any C_MAYBE_CONST_EXPR, if it has integer operands.
644 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
645 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
646 to c_objc_common_truthvalue_conversion, then remove any
647 C_MAYBE_CONST_EXPR, if they have integer operands. Use
648 c_objc_common_truthvalue_conversion not
649 c_common_truthvalue_conversion.
650 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
651 call note_integer_operands for arguments with integer operands
652 that are not integer constants.
654 2012-09-20 Jakub Jelinek <jakub@redhat.com>
656 Backported from mainline
657 2012-09-17 Jakub Jelinek <jakub@redhat.com>
659 PR tree-optimization/54563
660 * tree-ssa-math-opts.c (execute_cse_sincos): Call
661 gimple_purge_dead_eh_edges if last call has been changed.
663 2012-09-14 Jakub Jelinek <jakub@redhat.com>
666 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
667 instead of (match_dup 0) as second argument to vec_merge.
668 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
669 Remove third alternative.
670 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
671 operand 2 instead of operand 1, but put it as first argument
673 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
674 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
677 2012-09-20 Jakub Jelinek <jakub@redhat.com>
679 * BASE-VER: Set to 4.7.3.
680 * DEV-PHASE: Set to prerelease.
682 2012-09-20 Release Manager
684 * GCC 4.7.2 released.
686 2012-09-15 Andi Kleen <ak@linux.intel.com>
688 Backport from mainline
689 2012-09-07 Andi Kleen <ak@linux.intel.com>
691 * gcc/lto-streamer.h (res_pair): Add.
692 (lto_file_decl_data): Replace resolutions with respairs.
694 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
696 (lto_file_finalize): Set up resolutions vector lazily from respairs.
698 2012-09-14 Walter Lee <walt@tilera.com>
700 Backport from mainline.
701 2012-09-14 Walter Lee <walt@tilera.com>
703 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
704 option for TILEPro and TILE-Gx.
706 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
708 * config/i386/i386.h (x86_prefetchw): New global variable.
709 (TARGET_PREFETCHW): New macro.
710 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
711 (processor_alias_table): Add PTA_PREFETCHW to
712 bdver1, bdver2 and btver1.
713 (ix86_option_override_internal): Set x86_prefetchw for
714 PTA_PREFETCHW targets.
715 * config/i386/i386.md (prefetch): Expand to prefetchw
716 for TARGET_PREFETCHW.
717 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
719 Backport from mainline
720 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
722 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
723 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
725 (*prefetch_sse): ... this.
726 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
728 (*prefetch_3dnow): ... this.
730 2012-09-13 Jakub Jelinek <jakub@redhat.com>
733 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
734 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
736 2012-09-12 Teresa Johnson <tejohnson@google.com>
738 Backport from mainline.
739 2012-09-12 Teresa Johnson <tejohnson@google.com>
741 PR gcov-profile/54487
742 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
743 test using F_SETLKW with fcntl.
744 * configure, config.in: Regenerate.
746 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
748 Backport from mainline
749 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
751 * config/i386/i386.md : Comments on fma4 instruction selection
752 reflect requirement on register pressure based cost model.
754 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
755 flag is set-reset as informed by the cpuid flag.
757 * config/i386/i386.c (processor_alias_table): fma4
758 flag is enabled for bdver2.
760 2012-09-12 Christian Bruel <christian.bruel@st.com>
762 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
764 2012-09-12 Jakub Jelinek <jakub@redhat.com>
766 * config.gcc: Obsolete picochip-*.
768 2012-09-11 Richard Guenther <rguenther@suse.de>
771 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
772 on flag_toplevel_reorder.
774 2012-09-10 Richard Henderson <rth@redhat.com>
776 * config/alpha/predicates.md (small_symbolic_operand): Disallow
779 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
781 Backport from 2012-09-10 mainline r191132.
784 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
786 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
789 * tree-sra.c (disqualify_base_of_expr): Check for possible
790 NULL_TREE returned by get_base_address()
792 2012-09-07 Richard Guenther <rguenther@suse.de>
794 Backport from mainline
795 2012-06-26 Jan Hubicka <jh@suse.cz>
798 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
801 2012-09-07 Richard Guenther <rguenther@suse.de>
803 Backport from mainline
804 2012-07-13 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/53922
807 * tree-vrp.c (value_inside_range): Change prototype to take
808 min/max instead of value-range.
809 (range_includes_zero_p): Likewise. Return the result from
811 (extract_range_from_binary_expr_1): Adjust to handle dont-know
812 return value from range_includes_zero_p.
813 (extract_range_from_unary_expr_1): Likewise.
814 (compare_range_with_value): Likewise.
815 (vrp_meet_1): Likewise.
817 2012-09-07 Richard Guenther <rguenther@suse.de>
820 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
821 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
822 arguments separately.
824 2012-09-07 Jakub Jelinek <jakub@redhat.com>
826 Backported from mainline
827 2012-09-06 Jakub Jelinek <jakub@redhat.com>
829 PR rtl-optimization/54455
830 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
831 bb ends up with asm goto referencing bb's label.
833 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
835 Backport from mainline.
836 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
837 Richard Earnshaw <richard.earnshaw@arm.com>
840 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
841 element size. Use elem_type from the formal parameter. New parameter
843 (neon_expand_args): Adjust call to neon_dereference_pointer.
845 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
847 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
848 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
850 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
852 Backport from mainline
853 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
855 * config/i386/i386.md (isa): Add fma and fma4.
856 (enabled): Handle fma and fma4.
857 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
858 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
859 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
860 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
861 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
862 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
864 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
866 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
867 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
868 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
870 2012-09-06 Richard Guenther <rguenther@suse.de>
872 PR tree-optimization/54498
873 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
874 abort when reaching an already visited region.
875 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
876 (get_continuation_for_phi_1): Likewise.
877 (walk_non_aliased_vuses): When we translated the reference,
878 abort when we re-visit a region.
879 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
881 2012-09-06 Andrew Pinski <apinski@cavium.com>
884 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
886 2012-09-05 Jakub Jelinek <jakub@redhat.com>
889 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
890 build_int_cst with size_type_node instead of size_int.
892 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
894 Backport from 2012-09-05 mainline r190697.
897 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
898 configured --with-avrlibc.
899 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
901 * config/avr/avrlibc.h: New file.
902 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
903 configured --with-avrlibc.
904 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
906 2012-09-05 Bin Cheng <bin.cheng@arm.com>
908 Backport from 2012-09-04 mainline r190919
911 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
912 of size less than 4 bytes by using macro ARM_NUM_INTS.
913 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
915 2012-09-04 Richard Henderson <rth@redhat.com>
917 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
919 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
921 Backport from 2012-09-04 mainline r190920
924 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
926 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
928 Backport from 2012-09-04 mainline r190914
931 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
933 (avr_allocate_stack_slots_for_args): ...this new static function.
935 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
937 Backported from mainline
938 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
941 * doc/invoke.texi: Add -da and remove -dm.
943 2012-09-03 Jakub Jelinek <jakub@redhat.com>
945 Backported from mainline
946 2012-09-01 Jakub Jelinek <jakub@redhat.com>
949 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
950 operands[1] is CONST_INT_P, convert it to QImode before printing.
952 2012-08-31 Jakub Jelinek <jakub@redhat.com>
955 * c-convert.c (convert): Don't call fold_convert_loc if
956 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
957 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
958 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
960 2012-08-24 Jakub Jelinek <jakub@redhat.com>
963 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
964 if init is a CONSTRUCTOR.
966 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
968 PR rtl-optimization/54369
969 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
970 calling dbr_schedule.
971 * config/sparc/sparc.c (sparc_reorg): Likewise.
973 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
975 Backport from mainline
976 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
978 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
979 case for Atom processor.
981 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
983 Backport from mainline
984 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
987 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
988 true for TARGET_64BIT or !flag_pic.
989 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
990 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
991 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
992 Add insn constraint. Conditionally emit xchg asm insns.
993 (atomic_compare_and_swap<mode>): Update calls. Check only
994 cmpxchg8b_pic_memory_operand in memory address fixup.
996 (CASHMODE): Rename from DCASHMODE.
997 (doublemodesuffix): Update modes.
998 (regprefix): New mode attribute.
1000 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
1001 <UNSPECV_CMPXCHG>: New constant.
1002 (atomic_compare_and_swap<mode>_1): Rename from
1003 atomic_compare_and_swap_single<mode>. Update calls and
1004 unspec_volatile constants.
1005 (atomic_compare_and_swap<mode>_doubleword): Rename from
1006 atomic_compare_and_swap_double<mode>. Update calls and
1007 unspec_volatile constants.
1009 2012-08-28 Walter Lee <walt@tilera.com>
1011 Backport from mainline
1012 2012-08-28 Walter Lee <walt@tilera.com>
1014 * confg/tilegx/tilegx.md: Fix code style.
1015 (*zero_extendsidi_truncdisi): Fix typo.
1016 * config/tilegx/tilegx.c: Fix code style.
1017 (tilegx_function_profiler): Fix typo.
1019 2012-08-27 Walter Lee <walt@tilera.com>
1021 Backport from mainline
1022 2012-08-27 Walter Lee <walt@tilera.com>
1024 * doc/md.texi (TILE-Gx): Fix typo.
1026 2012-08-27 Walter Lee <walt@tilera.com>
1028 Backport from mainline
1029 2012-08-27 Walter Lee <walt@tilera.com>
1031 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
1032 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
1034 2012-08-27 Walter Lee <walt@tilera.com>
1036 Backport from mainline
1037 2012-08-27 Walter Lee <walt@tilera.com>
1039 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
1040 (insn_bfins): Delete.
1042 2012-08-27 Walter Lee <walt@tilera.com>
1044 Backport from mainline
1045 2012-08-27 Walter Lee <walt@tilera.com>
1047 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
1048 atomic_exchange_bare<mode>,
1049 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
1050 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
1051 * config/tilegx/tilegx.md (type): Add X1_remove.
1052 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
1053 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
1054 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
1057 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
1059 PR rtl-optimization/54088
1060 * jump.c (delete_related_insns): Robustify latest change.
1062 2012-08-21 Richard Guenther <rguenther@suse.de>
1064 Backport from mainline
1065 2012-08-16 Richard Guenther <rguenther@suse.de>
1068 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
1070 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
1071 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
1072 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
1073 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
1074 (tree_ssa_lim_finalize): Free all mem_refs.
1075 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
1076 scc when bailing out.
1077 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
1078 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
1079 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
1080 FOR_EACH_LOOP_BREAK.
1082 2012-08-17 Richard Guenther <rguenther@suse.de>
1084 * tree-sra.c (modify_function): Free redirect_callers vector.
1085 * ipa-split.c (split_function): Free args_to_pass vector.
1086 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
1088 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
1089 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
1090 (vect_analyze_slp_instance): Free everything.
1091 (destroy_bb_vec_info): Free the SLP instances.
1093 2012-08-17 Richard Guenther <rguenther@suse.de>
1095 * params.def (integer-share-limit): Decrease from 256 to 251,
1098 2012-08-21 Richard Guenther <rguenther@suse.de>
1100 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
1101 the affine expansion cache.
1103 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1105 Backported from trunk
1106 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1109 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
1111 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1113 Backport from mainline.
1114 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1117 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
1118 mark as predicable. Adjust asm template.
1119 (vec_setv2di_internal): Likewise.
1120 (vec_extract<mode> VD, VQ): Likewise.
1121 (vec_extractv2di): Likewise.
1122 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
1123 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
1124 (neon_vdup_n<mode> VX, V32): Likewise.
1125 (neon_vdup_nv2di): Likewise.
1127 2012-08-17 Walter Lee <walt@tilera.com>
1129 Backport from mainline
1130 2012-08-17 Walter Lee <walt@tilera.com>
1132 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
1133 (FEEDBACK_ENTER): Define.
1134 (FEEDBACK_REENTER): Define.
1135 (FEEDBACK_ENTRY): Define.
1136 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
1137 (FEEDBACK_ENTER): Define.
1138 (FEEDBACK_REENTER): Define.
1139 (FEEDBACK_ENTRY): Define.
1141 2012-08-16 Walter Lee <walt@tilera.com>
1143 Backport from mainline
1144 2012-08-16 Walter Lee <walt@tilera.com>
1146 * config.gcc (tilegx-*-linux*): Add feedback.h.
1147 (tilepro-*-linux*): Likewise.
1148 * config/tilegx/feedback.h: New file.
1149 * config/tilepro/feedback.h: New file.
1151 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
1153 Backport from mainline r189840 and r187586:
1154 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
1156 * config/i386/i386.md (stack_protect_set): Disable the pattern
1157 for Android since Android libc (bionic) does not provide random
1158 value for stack protection guard at gs:0x14. Guard value
1159 will be provided from external symbol (default implementation).
1160 (stack_protect_set_<mode>): Likewise.
1161 (stack_protect_test): Likewise.
1162 (stack_protect_test_<mode>): Likewise.
1163 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
1164 not have Bionic by default
1165 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
1166 Macro OPTION_BIONIC is defined in this file and provides Bionic
1167 accessibility status
1169 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
1171 * configure.ac: Stack protector enabling for Android targets.
1172 * configure: Regenerate.
1174 2012-08-13 Jakub Jelinek <jakub@redhat.com>
1176 Backported from trunk
1177 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1179 PR rtl-optimization/53942
1180 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
1181 directly from likely spilled non-fixed hard registers, move them
1184 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1186 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
1187 (xop_phaddubq): Ditto.
1189 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1191 Backport from mainline
1192 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
1193 Richard Earnshaw <rearnsha@arm.com>
1195 * target.def (vector_alignment): New target hook.
1196 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
1197 * doc/tm.texi: Regenerate.
1198 * targhooks.c (default_vector_alignment): New function.
1199 * targhooks.h (default_vector_alignment): Add prototype.
1200 * stor-layout.c (layout_type): Use targetm.vector_alignment.
1201 * config/arm/arm.c (arm_vector_alignment): New function.
1202 (TARGET_VECTOR_ALIGNMENT): Define.
1204 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
1205 vector type alignment instead of size.
1206 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
1207 element type size directly instead of computing it from alignment.
1208 Fix variable naming and comment.
1210 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1212 Backport from mainline
1213 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1215 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
1216 (alpha_pad_function_end): ... this. Also insert NOP between
1217 sibling call and GP load.
1218 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
1220 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
1222 Backport from mainline
1223 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
1224 H.J. Lu <hongjiu.lu@intel.com>
1226 PR rtl-optimization/54157
1227 * combine.c (gen_lowpart_for_combine): Don't return identity
1228 for CONST or symbolic reference.
1230 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
1232 Backport from mainline
1233 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1235 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
1236 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
1237 split_cost argument signed.
1238 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
1239 (ix86_avoid_lea_for_addr): Ditto.
1241 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
1243 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
1244 the address has less than two components.
1246 2012-08-02 Steve Ellcey <sellcey@mips.com>
1248 Backport from mainline
1249 2012-07-19 Steve Ellcey <sellcey@mips.com>
1251 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
1254 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
1256 Backport from mainline
1257 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
1260 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
1261 negative constant address for TARGET_X32 ...
1262 (ix86_decompose_address): ... here. Reject constant addresses
1263 that don't satisfy x86_64_immediate_operand predicate.
1265 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1268 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
1269 * config/i386/i386.c (ix86_print_operand_address): Ditto.
1270 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
1271 addresses. Prevent zero extensions of CONST_INT operands.
1273 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
1276 * config/i386/i386.md (*lea): New insn pattern.
1278 (*lea<mode>_2): Ditto.
1279 (*lea_{3,4,5,6}_zext): Ditto.
1280 * config/i386/predicates.md (lea_address_operand): Do not reject
1281 zero-extended address operands.
1282 * config/i386/constraints.md (j): Remove address constraint.
1283 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
1285 (ix86_print_operand_address): Handle SImode subreg of an address.
1286 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
1288 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1290 Backport from mainline
1291 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
1294 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1295 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1297 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1298 (*movdi_internal_rex64): Use %E operand modifier for lea.
1299 (*movsi_internal): Ditto.
1301 (*lea<mode>_2): Ditto.
1302 (*lea_{3,4,5,6}_zext): Ditto.
1303 (*tls_global_dynamic_32_gnu): Ditto.
1304 (*tls_global_dynamic_64): Ditto.
1305 (*tls_dynamic_gnu2_lea_32): Ditto.
1306 (*tls_dynamic_gnu2_lea_64): Ditto.
1307 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1309 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1311 Backport from mainline
1312 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1314 * config/i386/i386.c (ix86_address_subreg_operand): Reject
1316 (ix86_print_operand_address): Assert that parts.base and parts.index
1317 are non-NULL after call to simplify_subreg.
1319 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
1322 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
1324 * config/sh/sh.c (sh_option_override): Do not change
1325 flag_finite_math_only. Set TARGET_IEEE to complement of
1326 flag_finite_math_only.
1327 * doc/invoke.texi (SH options): Add mno-ieee. Correct
1328 description of mieee and mno-ieee behavior.
1330 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
1333 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
1334 (_lzcnt_u64): Ditto.
1336 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
1338 Backport from mainline
1339 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
1341 PR rtl-optimization/52250
1342 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1343 to put note list into. Unconditionally call move_bb_info.
1344 (move_bb_info): Do not assert the blocks being in the same region,
1345 just drop the note list if they are not.
1347 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1349 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
1351 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1353 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
1354 defining statement is a SSA name that occurs in abnormal PHIs.
1356 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1358 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
1361 2012-07-19 Richard Guenther <rguenther@suse.de>
1362 Eric Botcazou <ebotcazou@adacore.com>
1364 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1365 about transition from invariant to known bits.
1366 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1368 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1371 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1372 (cleanup_tree_cfg_bb): Don't call it.
1373 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1376 2012-07-19 Christian Bruel <christian.bruel@st.com>
1379 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1381 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
1383 * config.gcc (v850-*-rtems*): New target.
1384 * config/v850/rtems.h: New.
1385 * config/v850/t-rtems: New.
1387 2012-07-18 Nick Clifton <nickc@redhat.com>
1389 * doc/invoke.texi (ARM Options): Document -munaligned-access.
1391 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
1395 Backport from mainline
1396 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1399 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1400 instead expand it as zero extension.
1402 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
1404 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1405 QImode and HImode splitters. Use ix86_comparison_operator.
1406 Explicitly match FLAGS_REG.
1407 (DFmode cmove splitter): Explicitly match FLAGS_REG.
1409 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
1410 Steven Bosscher <steven@gcc.gnu.org>
1411 Bernd Schmidt <bernds@codesourcery.com>
1413 PR rtl-optimization/53908
1414 * df-problems.c (can_move_insns_across): When doing
1415 memory-reference book-keeping, handle call insns.
1417 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
1419 Backport from mainline
1420 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1423 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1424 sibcall_insn_operand. Move it to a temporary register if not.
1426 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
1429 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1430 emit PIC sequence for fnaddr symbol reference in advance.
1432 2012-07-09 Jason Merrill <jason@redhat.com>
1435 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1436 (type_hash_eq): Likewise.
1439 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1441 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
1443 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1444 due to negative shift amount.
1446 2012-07-06 Kai Tietz <ktietz@redhat.com>
1448 Backport from mainline.
1450 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1451 as "/mingw/include".
1453 2012-07-06 Nick Clifton <nickc@redhat.com>
1455 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1456 default_encode_section_info.
1458 2012-07-06 Richard Guenther <rguenther@suse.de>
1460 Backport from mainline
1461 2012-03-30 Richard Guenther <rguenther@suse.de>
1464 * double-int.c (rshift_double): Remove not needed cast.
1466 2012-03-28 Richard Guenther <rguenther@suse.de>
1469 * double-int.h (rshift_double): Remove.
1470 * double-int.c (lshift_double): Use absu_hwi to make count
1472 (rshift_double): Make static, take unsigned count argument,
1473 remove handling of negative count argument.
1474 (double_int_rshift): Dispatch to lshift_double.
1476 2012-07-06 Richard Guenther <rguenther@suse.de>
1478 Backport from mainline
1479 2012-06-18 Richard Guenther <rguenther@suse.de>
1481 PR tree-optimization/53693
1482 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1483 Reject operands with more than one use.
1485 2012-07-06 Richard Guenther <rguenther@suse.de>
1487 Backport from mainline
1488 2012-04-11 Richard Guenther <rguenther@suse.de>
1491 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1492 consider loop nesting.
1493 (evolution_function_is_univariate_p): Properly check the remainder
1496 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
1498 Backport from mainline
1499 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
1501 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1502 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1503 (adjacent_mem_locations): Move some code to and call...
1504 (get_memref_parts): ...new function.
1505 (mem_locations_overlap): New function.
1506 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1507 (is_mem_ref): Rename to...
1508 (find_mem_ref): ...this. Return MEM rtx.
1509 (get_store_dest): Remove function.
1510 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1511 new parameter and adjust calls.
1512 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1513 mem refs overlap for true_store_to_load_dep_costly.
1514 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1515 passed to adjacent_mem_locations.
1516 (is_costly_group): Walk resolved dependency list.
1517 (force_new_group): Emit group ending nop for Power6/Power7.
1518 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1519 (group_ending_nop): New define_insn.
1521 2012-07-04 Richard Guenther <rguenther@suse.de>
1524 * gimple-fold.c (get_base_constructor): Do not return an
1525 error_mark_node DECL_INITIAL.
1527 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
1529 Backport from mainline
1530 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1532 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1533 code model string in the error message.
1535 2012-07-04 Tristan Gingold <gingold@adacore.com>
1537 Backport from mainline.
1538 2012-06-25 Tristan Gingold <gingold@adacore.com>
1540 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1541 (seh_cfa_adjust_cfa): ... that function.
1542 (seh_emit_stackalloc): Do not emit out of range values.
1543 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1544 UNSPEC_DEF_CFA constants.
1545 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1546 * config/i386/i386.c (ix86_frame_pointer_required): Required
1547 for very large frames on SEH target.
1548 (ix86_compute_frame_layout): Save area is before frame pointer
1549 on SEH target. Handle very large frames.
1550 (ix86_expand_prologue): Likewise.
1552 2012-07-04 Richard Guenther <rguenther@suse.de>
1554 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1555 as in free_lang_data_in_type.
1557 2012-07-02 Martin Jambor <mjambor@suse.cz>
1559 Backport from mainline.
1560 2012-07-02 Martin Jambor <mjambor@suse.cz>
1563 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1564 dynamic type change check.
1566 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1568 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1569 last statement of the finally block onto the switch.
1571 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1573 * configure: Regenerate.
1575 Backport from mainline.
1576 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1578 * config.gcc (target_type_format_char): New. Document it. Set it for
1580 * configure.ac (gnu_unique_option): Use target_type_format_char
1581 in test. Comment rationale.
1583 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1585 Backport from mainline.
1586 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1588 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1590 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1592 Backport from 2012-06-28 mainline r189049
1595 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1596 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1597 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1598 avr_hard_regno_call_part_clobbered.
1600 2012-06-28 Richard Guenther <rguenther@suse.de>
1603 * expr.c (expand_expr_real_1): Verify if the type is complete
1604 before inspecting its size.
1606 2012-06-27 Nick Clifton <nickc@redhat.com>
1608 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1611 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1614 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1616 2012-06-26 Nick Clifton <nickc@redhat.com>
1618 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1620 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1623 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1624 of x x x in the vmovlps load alternative.
1626 2012-06-22 Richard Guenther <rguenther@suse.de>
1628 * gcov-iov.c: Include bconfig.h and system.h.
1630 2012-06-22 Richard Guenther <rguenther@suse.de>
1632 PR gcov-profile/53744
1633 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1635 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1637 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1638 DECL_IGNORED_P non-reg vars even if they are used.
1640 2012-06-19 Jason Merrill <jason@redhat.com>
1643 * dwarf2out.c (modified_type_die): Use scope_die_for.
1644 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1645 (uses_local_type_r, uses_local_type): New.
1646 (scope_die_for): Keep a type that uses a local type in local scope.
1647 Use get_context_die for namespace and type scope.
1649 2012-06-19 Richard Guenther <rguenther@suse.de>
1652 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1653 replace it with the first non-BLOCK context.
1655 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1657 PR rtl-optimization/53700
1659 Backport from mainline
1660 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1662 * ira-color.c (setup_left_conflict_sizes_p): Process all
1663 conflicting objects.
1665 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1667 Backport from mainline
1668 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1671 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1672 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1673 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1674 instead of xop_mulv2div2di3_low.
1675 (xop_p<macs>dql): Fix vec_select selector.
1676 (xop_p<macs>dqh): Ditto.
1677 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1678 (xop_mulv2div2di3_high): Ditto.
1680 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1682 Backport from mainline:
1683 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1685 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1687 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1689 Backport from mainline:
1690 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1692 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1693 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1694 MAX_PCREL17F_OFFSET instead of fixed offset.
1695 (pa_attr_length_call): Likewise.
1696 (pa_attr_length_indirect_call): Likewise.
1698 2012-06-15 Walter Lee <walt@tilera.com>
1700 Backport from mainline:
1701 2012-06-15 Walter Lee <walt@tilera.com>
1703 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1705 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1707 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1709 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1711 Backport from mainline:
1713 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1714 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1715 * gimple.h (block_in_transaction): Check for flag_tm.
1717 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1719 PR tree-optimization/52558
1721 Backport from mainline:
1722 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1723 * gimple.h (gimple_set_in_transaction): Remove.
1724 (gimple_in_transaction): Look in BB instead.
1725 (gimple_statement_base): Remove in_transaction field.
1726 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1727 * trans-mem.c (compute_transaction_bits): Place transaction bit
1728 information into basic blocks.
1730 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1732 PR tree-optimization/52558
1733 * cfg.c (alloc_aux_for_edge): Fix comment.
1734 (alloc_aux_for_edge): Remove static.
1735 * basic-block.h (alloc_aux_for_edge): Protoize.
1736 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1737 (execute_sm_if_changed_flag): New.
1738 (execute_sm_if_changed_flag_set): New.
1739 (execute_sm): Do not generate data races unless requested.
1740 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1741 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1742 * gimple.h (block_in_transaction): New.
1743 (gimple_in_transaction): Use block_in_transaction.
1745 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1747 Backported from mainline
1748 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1750 PR rtl-optimization/53589
1751 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1752 discovery even when e->dest != target. If any LABEL_REF points
1753 to e->dest label, redirect it to target's label.
1755 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1758 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1759 returns false, replace stmt with GIMPLE_NOP.
1760 (check_omp_nesting_restrictions): Instead of issuing warnings,
1761 issue errors and return false if any errors were reported.
1763 2012-06-14 Richard Guenther <rguenther@suse.de>
1765 * BASE-VER: Set to 4.7.2.
1766 * DEV-PHASE: Set to prerelease.
1768 2012-06-12 Christian Bruel <christian.bruel@st.com>
1771 * config/sh/sh.c (sh_option_override): Don't force
1772 flag_omit_frame_pointer and maccumulate_outgoing_args.
1773 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1775 2012-06-14 Release Manager
1777 * GCC 4.7.1 released.
1779 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1781 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1783 2012-06-13 Richard Henderson <rth@redhat.com>
1785 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1786 iterator instead of INT.
1788 2012-06-08 Richard Henderson <rth@redhat.com>
1791 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1792 note to a clobber insn when no other insn is available.
1794 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1797 * doc/invoke.texi (Wenum-compare): Update documentation.
1799 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1802 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1804 (altivec_stvlxl): Ditto.
1805 (altivec_stvrx): Ditto.
1806 (altivec_stvrxl): Ditto.
1808 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1811 * trans-mem.c (expand_block_edges): Do not skip the first
1812 statement when resetting the BB.
1814 2012-06-04 Richard Guenther <rguenther@suse.de>
1817 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1818 create new assembler names.
1820 2012-06-04 Richard Guenther <rguenther@suse.de>
1822 Backport from mainline
1823 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1826 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1827 larger than maxbits. Don't compute maxbits modulo align.
1828 Also check that unit bytes long store at bitpos / unit * unit
1829 doesn't affect bits beyond bitregion_end.
1830 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1831 would not fit into bitregion_start ... bitregion_end + 1 bit
1833 (store_split_bit_field): Decrease unit close to end of bitregion_end
1834 if access is restricted in order to avoid mutual recursion.
1836 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1838 Backport from 2012-06-04 mainline r188172
1841 * config/avr/avr-stdint.h: New file.
1842 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1845 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1847 PR tree-optimization/53550
1848 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1849 is POINTER_TYPE_P, use sizetype as step type instead of type.
1851 2012-06-04 Richard Guenther <rguenther@suse.de>
1852 Eric Botcazou <ebotcazou@adacore.com>
1854 Backport from mainline
1855 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1857 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1858 Change type of BITOFFSET to signed. Make sure the lower bound of
1859 the computed range is non-negative by adjusting OFFSET and BITPOS.
1860 (expand_assignment): Adjust call to get_bit_range.
1862 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1864 * expr.c (get_bit_range): Return the null range if the enclosing record
1865 is part of a larger bit field.
1867 2012-03-20 Richard Guenther <rguenther@suse.de>
1869 * stor-layout.c (finish_bitfield_representative): Fallback
1870 to conservative maximum size if the padding up to the next
1871 field cannot be computed as a constant.
1872 (finish_bitfield_layout): If we cannot compute the distance
1873 between the start of the bitfield representative and the
1874 bitfield member start a new representative.
1875 * expr.c (get_bit_range): The distance between the start of
1876 the bitfield representative and the bitfield member is zero
1877 if the field offsets are not constants.
1879 2012-03-16 Richard Guenther <rguenther@suse.de>
1881 * stor-layout.c (finish_bitfield_representative): Fall back
1882 to the conservative maximum size if we cannot compute the
1883 size of the tail padding.
1885 2012-03-14 Richard Guenther <rguenther@suse.de>
1887 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1888 * stor-layout.c (start_bitfield_representative): New function.
1889 (finish_bitfield_representative): Likewise.
1890 (finish_bitfield_layout): Likewise.
1891 (finish_record_layout): Call finish_bitfield_layout.
1892 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1893 for QUAL_UNION_TYPE fields.
1894 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1895 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1896 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1901 * expr.c (get_bit_range): Unconditionally extract bitrange
1902 from DECL_BIT_FIELD_REPRESENTATIVE.
1903 (expand_assignment): Adjust call to get_bit_range.
1905 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1908 * fold-const.c (fold_binary_loc): Refine previous change.
1910 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1912 Backport from mainline
1913 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1916 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1917 avoid going above orig insn. Update comments.
1919 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1921 Backport from mainline
1922 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1925 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1926 prologue for unwinder and profiler.
1928 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1930 Backport from mainline
1931 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1933 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1935 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1937 Backport from mainline
1938 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1940 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1941 DBX_REGISTER_NUMBER.
1943 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1945 Backport from mainline
1946 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1948 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1949 operand is CONST_INT. Take COSTS_N_INSNS into account.
1950 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1953 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1955 * config/avr/avr.opt (-msp8): Document it.
1956 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1958 2012-05-31 Richard Guenther <rguenther@suse.de>
1961 * expr.c (expand_assignment): Do not use movmisalign on
1964 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1967 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1968 (pa_section_type_flags): New.
1969 (pa_legitimate_constant_p): Revert previous change.
1971 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1973 Backport from mainline
1974 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1977 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1978 accessed indirectly.
1979 (ipa_tm_create_version): Same.
1981 2012-05-30 Jason Merrill <jason@redhat.com>
1984 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1985 about array compound literals.
1987 2012-05-30 Richard Guenther <rguenther@suse.de>
1990 * fold-const.c (fold_binary_loc): Make sure to call
1991 fold_plusminus_mult_expr with the original sign of operands.
1993 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1995 * explow.c (probe_stack_range): Restore simple control flow and stop
1996 again when the probe cannot be generated if HAVE_check_stack.
1998 2012-05-30 Jakub Jelinek <jakub@redhat.com>
2000 PR rtl-optimization/53519
2001 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
2002 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
2004 2012-05-29 Richard Guenther <rguenther@suse.de>
2006 PR tree-optimization/53516
2007 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
2009 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
2011 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
2013 Backport from mainline
2014 2012-05-28 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/53438
2017 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
2019 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
2021 Backport from mainline
2022 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2024 PR rtl-optimization/52528
2025 * combine.c (can_combine_p): Add setting of subst_low_luid
2026 before call to expand_field_assignment().
2028 2012-05-26 Martin Jambor <mjambor@suse.cz>
2030 Backport from mainline
2031 2012-05-23 Martin Jambor <mjambor@suse.cz>
2033 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
2035 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2038 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
2039 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
2041 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
2044 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
2045 (ix86_expand_vec_perm): Use int mode instead of float.
2047 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2050 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
2051 gnu_ld variables to yes.
2052 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
2053 (HAVE_GNU_AS): Likewise.
2054 * config.in: Regenerate.
2055 * configure: Likewise.
2057 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2059 Backport from mainline
2060 2012-03-12 Richard Guenther <rguenther@suse.de>
2061 * config/arm/arm.c (neon_dereference_pointer): Do not call
2062 covert during RTL expansion.
2064 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2066 Backport from mainline
2067 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2070 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2071 relied on signed overflow behavior.
2073 2012-05-24 Richard Guenther <rguenther@suse.de>
2076 * tree-profile.c (tree_profiling): Cleanup the CFG if
2077 execute_fixup_cfg requests it.
2079 2012-05-24 Jakub Jelinek <jakub@redhat.com>
2081 PR tree-optimization/53465
2082 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
2083 vr0 into *vr, then vrp_meet that.
2084 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
2085 have any equivalences.
2086 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
2089 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
2091 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
2093 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
2094 (iterative_hash_gimple_type): Adjust comment.
2095 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
2096 domain for an array type instead of the domain type itself.
2098 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
2100 Backport from 2012-05-23 mainline r187803
2103 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2104 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2107 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2109 Backport from 2012-05-03 mainline r187075
2111 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2112 has_fma4 for AMD processors with both fma3 and fma4 support.
2114 2012-05-22 Richard Guenther <rguenther@suse.de>
2116 PR tree-optimization/53408
2117 * tree-vect-loop.c (vectorizable_induction): Properly check
2118 the restriction that we cannot handle induction results from
2119 the inner loop outside of the outer loop.
2121 2012-05-21 Jakub Jelinek <jakub@redhat.com>
2123 PR tree-optimization/53436
2124 * omp-low.c (omp_build_component_ref): New function.
2125 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2127 PR tree-optimization/53366
2128 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2129 tests if complex_numbers == 2, but there are non-complex number loads
2132 PR tree-optimization/53409
2133 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2134 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2136 PR tree-optimization/53410
2137 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2138 instead of build_int_cst (type, 0) where vector types might be
2141 2012-05-21 Joseph Myers <joseph@codesourcery.com>
2144 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2145 from folded operands before wrapping another around the
2146 conditional expression.
2148 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2149 Patrick Marlier <patrick.marlier@gmail.com>
2151 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2154 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2156 Backport from mainline
2157 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2160 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2161 (UNSPECV_RDRAND): This.
2162 (rdrand<mode>_1): Updated.
2164 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2166 Backport from mainline
2167 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2169 * config/i386/driver-i386.c (host_detect_local_cpu): Support
2170 RDRND, F16C and FSGSBASE.
2172 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
2174 Backport from mainline
2175 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
2177 * tree-ssa-pre.c (can_value_number_call): Delete.
2178 (compute_avail): Skip all statements with side effects.
2179 <GIMPLE_CALL>: Skip calls to internal functions.
2181 2012-05-18 David S. Miller <davem@davemloft.net>
2183 Backport r185385 from mainline
2184 2012-03-14 Richard Guenther <rguenther@suse.de>
2187 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2188 element type instead of mode, use build_vector_type_for_mode
2189 instead of the langhook, build a vector of proper signedness.
2190 (expand_vector_operations_1): Adjust.
2192 2012-05-18 Olivier Hainque <hainque@adacore.com>
2194 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2195 $(libsubdir) as libexecsubdir.
2197 2012-05-16 Andrew Pinski <apinski@cavium.com>
2199 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2202 2012-05-16 David S. Miller <davem@davemloft.net>
2204 * jump.c (delete_related_insns): If we remove a CALL, make sure
2205 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2207 2012-05-16 Richard Henderson <rth@redhat.com>
2210 * combine-stack-adj.c (prev_active_insn_bb): New.
2211 (next_active_insn_bb): New.
2212 (force_move_args_size_note): New.
2213 (combine_stack_adjustments_for_block): Use it.
2215 2012-05-16 Olivier Hainque <hainque@adacore.com>
2217 * Makefile.in (install-no-fixedincludes): New target, former toplevel
2218 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2219 Add comments and improve stamp preservation across the whole sequence.
2220 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2222 2012-05-16 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/53364
2225 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2226 detect a view-conversion of the decl.
2228 2012-05-15 Jakub Jelinek <jakub@redhat.com>
2231 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2232 that operands[2] is either immediate, or q_regs_operand.
2234 2012-05-15 Bin Cheng <bin.cheng@arm.com>
2236 Backport r187139 from mainline.
2237 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2239 PR rtl-optimization/52804
2240 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2241 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2242 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2243 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2244 RELOAD_FOR_OUTADDR_ADDRESS.
2246 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
2249 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2250 generate target register for "load" class builtins.
2253 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
2256 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2257 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2258 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2259 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2260 (<sse>_movu<ssemodesuffix>): New expander.
2261 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2262 (avx_movdqu<avxmodesuffix>): New expander.
2263 (*sse2_movdqu): Rename from sse2_movdqu.
2264 (sse2_movdqu): New expander.
2266 2012-05-14 Jakub Jelinek <jakub@redhat.com>
2268 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2269 lineno 1 the same as lineno 0 before first start file directive.
2270 (optimize_macinfo_range): Likewise.
2272 * dwarf2out.c (have_macinfo): Define.
2273 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2274 attribute, don't force empty compilation unit and don't emit any
2275 .debug_macinfo/.debug_macro section if macinfo_table is empty.
2277 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
2279 Backport from mainline
2280 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
2282 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2283 ORDERED and UNORDERED conditions.
2285 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
2287 * function.c (requires_stack_frame_p): If the function can throw
2288 non-call exceptions, return true if the insn can throw internally.
2290 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
2292 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2293 DECL_ORIGINAL_TYPE if it is present.
2295 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
2297 Backport from 2012-05-12 mainline r187342.
2300 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2301 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2302 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2303 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2304 (expand_prologue): Move initialization of cfun->machine->is_naked,
2305 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2306 (avr_set_current_function): ...this new static function.
2307 (TARGET_SET_CURRENT_FUNCTION): New define.
2308 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2309 checking attributes of current_function_decl.
2310 (avr_regs_to_save): Ditto.
2311 (signal_function_p): Rename to avr_signal_function_p.
2312 (interrupt_function_p): Rename to avr_interrupt_function_p.
2314 * doc/extend.texi (Function Attributes): Better explanation of
2315 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2318 2012-05-09 Matthias Klose <doko@ubuntu.com>
2320 * gcc-ar.c (main): Don't check for execute bits for the plugin.
2322 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
2325 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2326 when a constant source operand matches an "I" constraint, the "no
2327 CC0 change" applies to a register-destination only, not a
2328 strict_low_part-destination.
2330 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2332 Backport from mainline:
2333 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2335 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2337 2012-05-07 Jakub Jelinek <jakub@redhat.com>
2339 PR tree-optimization/53239
2340 * tree-vrp.c (get_value_range): Set VR of
2341 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2344 2012-05-07 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/53195
2347 * tree-inline.c (setup_one_parameter): Properly add referenced
2348 vars from the parameters new known value.
2350 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2352 Backport from mainline:
2353 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2359 2012-05-04 Ian Lance Taylor <iant@google.com>
2361 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2362 values from false to NULL.
2364 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2366 Backport from mainline
2367 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2370 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2371 (TARGET_CMOV): Rename from TARGET_CMOVE.
2372 (TARGET_CMOVE): New define.
2373 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2374 Do not set TARGET_CMOVE here.
2376 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2378 Backport from mainline:
2380 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2382 PR tree-optimization/52633
2383 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2384 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2385 (vect_recog_over_widening_pattern): Remove handling of code that was
2386 already detected as over-widening pattern. Remove special handling
2387 of "unsigned" cases. Instead, support general case of conversion
2388 of the shift result to another type.
2390 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2392 * tree-vect-patterns.c (vect_single_imm_use): New function.
2393 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2394 (vect_recog_over_widening_pattern): Likewise.
2395 (vect_recog_widen_shift_pattern): Likewise.
2397 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2399 PR tree-optimization/52870
2400 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2401 presumed pattern statement is within the same loop or basic block.
2403 2012-05-04 Richard Guenther <rguenther@suse.de>
2405 * common.opt (flto-report): Do not mark as Optimization.
2407 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2410 * recog.c (constrain_operands): If extra constraints are present, also
2411 accept pseudo-registers with equivalent memory locations during reload.
2413 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2415 Backport from the mainline
2416 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2419 * config/rs6000/rs6000.md (bswapdi splitters): If
2420 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2421 default) is used, generate an alternate sequence that does not
2422 depend on using indexed addressing.
2424 2012-05-03 David S. Miller <davem@davemloft.net>
2427 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2428 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2429 (sparc_emit_float_lib_cmp): Likewise.
2431 2012-05-04 Martin Jambor <mjambor@suse.cz>
2433 Backport from mainline
2434 2012-05-02 Martin Jambor <mjambor@suse.cz>
2437 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2438 of a variable when the contect is a function.
2440 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2443 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2444 append program name to it and pass that as first argument
2445 to make_relative_prefix. Always pass standard_libexec_prefix
2446 as last argument to make_relative_prefix. If
2447 make_relative_prefix returns NULL, fall back to
2448 standard_libexec_prefix.
2451 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2455 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2456 mode, return that mode.
2458 2012-05-03 Richard Guenther <rguenther@suse.de>
2460 PR tree-optimization/53144
2461 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2463 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2464 with SSA name values.
2465 (vn_reference_lookup_3): Adjust callers.
2467 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2469 PR tree-optimization/53163
2470 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2471 return value from compute_all_dependences.
2473 PR rtl-optimization/53160
2474 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2475 has been modified by ree pass already.
2477 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2479 Backport from mainline
2480 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2483 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2484 calls to cgraph_node_name in xstrdup.
2485 (ipa_make_edge_direct_to_target): Ditto.
2486 * tree-sra.c (convert_callers_for_node): Ditto.
2487 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2488 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2489 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2490 (cgraph_materialize_all_clones): Ditto.
2491 * ipa-inline.c (report_inline_failed_reason): Ditto.
2492 (want_early_inline_function_p): Ditto.
2493 (edge_badness): Ditto.
2494 (update_edge_key): Ditto.
2495 (flatten_function): Ditto.
2496 (ipa_inline): Ditto.
2497 (inline_always_inline_functions): Ditto.
2498 (early_inline_small_functions): Ditto.
2500 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
2502 Backport from mainline
2503 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
2505 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2506 Introduce emul_name to select the right linker emulation for
2507 powerpc64-*-freebsd*.
2508 * configure: Regenerate.
2509 * config.gcc: Add bits to support powerpc64-*-freebsd*.
2510 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2511 * config/rs6000/freebsd64.h: New file.
2512 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2514 (rs6000_savres_strategy): Likewise.
2515 (rs6000_savres_routine_name): Likewise.
2516 (rs6000_elf_file_end): Likewise.
2517 * config/rs6000/t-freebsd64: New file.
2518 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2519 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2521 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2523 Backport from mainline
2524 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2527 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2529 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2531 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2532 predicate to discriminate types.
2534 2012-04-27 Richard Guenther <rguenther@suse.de>
2537 * convert.c (convert_to_integer): Avoid infinite recursion for
2538 target-defined built-in types.
2540 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2543 * config/cris/cris.md ("*andhi_lowpart_v32")
2544 ("*andqi_lowpart_v32"): Change first input-only operand from
2545 a (match_operand ...) to (match_dup 0). Drop alternatives with
2546 const_int-matching constraints for redundancy.
2547 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2548 three-operand alternative.
2550 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2552 Backport from mainline
2553 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2555 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2556 (*addsi_2_zext): Ditto.
2557 (*add<mode>_3): Ditto.
2558 (*addsi_3_zext): Ditto.
2559 (*add<mode>_5): Ditto.
2561 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2564 * c-typeck.c (set_nonincremental_init,
2565 set_nonincremental_init_from_string): Pass true instead of false
2566 as IMPLICIT to add_pending_init.
2568 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2570 Backport from 2012-04-24 mainline r186768.
2573 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2575 2012-04-24 Richard Guenther <rguenther@suse.de>
2577 PR tree-optimization/53085
2578 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2581 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2584 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2586 (output_addressed_constants): Likewise.
2589 * varasm.c (get_section): Don't ICE for section conflicts with
2590 built-in section kinds.
2592 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2594 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2596 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2598 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2600 2012-04-23 Richard Guenther <rguenther@suse.de>
2603 * c-typeck.c (build_binary_op): Fix typo.
2605 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2607 PR tree-optimizations/52891
2608 * tree-vect-patterns.c (adjust_bool_pattern): Use
2609 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2610 but with non-standard precision.
2612 2012-04-22 Ian Lance Taylor <iant@google.com>
2614 * godump.c (go_output_typedef): Dump size of structs.
2616 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2618 Backport from mainline:
2620 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2621 hints for 'A' operand types.
2623 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2625 Backport from 2012-04-19 mainline r186588.
2628 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2629 the case *(X+const).
2631 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2633 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2635 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2638 * config/i386/sync.md (atomic_<code><mode>): Rename to
2639 atomic_<logic><mode>.
2641 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2643 Backport from mainline
2644 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2647 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2648 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2649 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2650 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2651 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2652 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2653 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2654 gen_avx2_permvarv8sf.
2656 2012-04-16 Martin Jambor <mjambor@suse.cz>
2658 Backported from mainline
2660 2012-04-13 Martin Jambor <mjambor@suse.cz>
2663 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2664 fold_ctor_reference returns a zero constant.
2666 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2668 Backported from mainline
2669 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2671 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2672 and __ILP32__ for x32.
2674 2012-04-13 Tom de Vries <tom@codesourcery.com>
2676 Backport from mainline r186418.
2678 2012-04-13 Tom de Vries <tom@codesourcery.com>
2680 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2681 parameters vuse and vuse_escaped.
2682 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2683 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2686 2012-04-13 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/52969
2689 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2690 the condition for the COND_EXPR and handle predicate negation
2691 by swapping the COND_EXPR arms.
2693 2012-04-13 Richard Guenther <rguenther@suse.de>
2696 * convert.c (convert_to_pointer): Remove special-casing of
2699 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2701 Backport from mainline
2702 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2705 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2706 the list of options to enable the FCFID instruction.
2707 (TARGET_EXTRA_BUILTINS): Adjust comment.
2709 2012-04-12 Richard Guenther <rguenther@suse.de>
2711 PR tree-optimization/52943
2712 * tree-chrec.h (chrec_is_positive): Remove.
2713 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2714 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2715 Return false for a constant zero instead of negative.
2716 (analyze_siv_subscript_cst_affine): Handle zero difference
2717 in the initial condition explicitely.
2719 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2722 * varasm.c (process_pending_assemble_externals): Set
2723 pending_assemble_externals_processed true.
2724 (assemble_external): Call assemble_external_real if the pending
2725 assemble externals have been processed.
2727 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2730 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2731 the DECL generated for the special GOT helper.
2733 2012-04-06 Walter Lee <walt@tilera.com>
2735 Backport from mainline
2736 2012-03-07 Walter Lee <walt@tilera.com>
2738 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2739 REG_CFA_* notes for the stack pointer.
2740 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2741 EH_RETURN_STACKADJ_RTX.
2742 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2743 generate REG_CFA_* notes for the stack pointer.
2744 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2745 by EH_RETURN_STACKADJ_RTX.
2747 2012-04-06 Matt Turner <mattst88@gmail.com>
2749 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2751 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2753 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2754 of the destination isn't also a FP_REGS register.
2756 2012-04-03 Richard Guenther <rguenther@suse.de>
2758 Backport from mainline
2759 2012-03-02 Richard Guenther <rguenther@suse.de>
2761 PR tree-optimization/52406
2762 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2763 (struct indices): Add unconstrained_base member.
2764 (struct dr_alias): Remove unused vops member.
2765 (DR_UNCONSTRAINED_BASE): New define.
2766 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2767 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2768 be an artificial access that covers the whole indexed object,
2769 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2770 plain decl base-objects to their MEM_REF variant.
2771 (dr_may_alias_p): When the base-object of either data reference
2772 has unknown size use only points-to information.
2773 (compute_affine_dependence): Make dumps easier to read and
2775 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2776 DR_REF when looking for packed references.
2777 (vect_supportable_dr_alignment): Likewise.
2779 2012-04-03 Richard Guenther <rguenther@suse.de>
2781 Backport from mainline
2782 2012-03-15 Richard Guenther <rguenther@suse.de>
2785 * tree-data-ref.c (subscript_dependence_tester_1): Check
2786 all dimensions for non-conflicting access functions.
2788 2012-04-03 Richard Guenther <rguenther@suse.de>
2790 Backport from mainline
2791 2012-03-06 Richard Guenther <rguenther@suse.de>
2794 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2796 2012-03-23 Richard Guenther <rguenther@suse.de>
2798 PR tree-optimization/52678
2799 * tree-vectorizer.h (struct _stmt_vec_info): Add
2800 loop_phi_evolution_part member.
2801 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2802 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2803 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2804 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2805 Use the cached evolution part and the PHI nodes value from
2806 the loop preheader edge instead of re-analyzing the evolution.
2808 2012-03-26 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/52701
2811 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2812 compute and set the evolution part of PHI nodes.
2814 2012-03-30 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/52754
2817 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2818 propagate arbitrary addresses into really plain dereferences.
2820 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2822 PR tree-optimization/52835
2823 * tree-data-ref.c (build_rdg): Return NULL if
2824 compute_data_dependences_for_loop failed.
2826 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2828 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2829 (stmt_can_make_abnormal_goto): Use it.
2830 (is_ctrl_altering_stmt): Likewise.
2832 2012-03-31 Martin Jambor <mjambor@suse.cz>
2834 Backported from mainline
2835 2012-03-30 Martin Jambor <mjambor@suse.cz>
2837 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2838 is a builtin_stack_save in a dominating BB.
2840 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2842 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2843 crossing 128bit lane boundary.
2845 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2847 Backported from mainline
2848 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2851 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2853 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2854 * config/i386/i386.c: Include reload.h.
2855 (ix86_legitimize_reload_address): New function.
2857 2012-03-28 Martin Jambor <mjambor@suse.cz>
2859 Backported from mainline
2860 2012-03-27 Martin Jambor <mjambor@suse.cz>
2863 * tree-sra.c (sra_modify_assign): Do not call
2864 load_assign_lhs_subreplacements when working with an unscalarizable
2867 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2870 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2871 __builtin_va_start to __builtin_next_arg if the latter is
2872 builtin_decl_explicit_p rather than when it is not.
2875 * tree-vect-generic.c (vector_element): Perform multiplication
2876 for pos in bitsizetype type instead of idx type.
2878 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2880 Backport from 2012-03-28 mainline r185910.
2883 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2884 (avr_builtin_decl): New static function.
2885 (struct avr_builtin_description, avr_bdesc): Move up.
2886 Add GTY marker. Add field fndecl. Remove redundant field id.
2887 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2888 (avr_expand_builtin): Code cleanup because .id is removed.
2890 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2893 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2896 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2898 Backport from 2012-03-28 mainline r185907.
2901 * config.gcc (tm_file): Remove avr/multilib.h.
2903 * doc/invoke.texi (AVR Options): Adjust
2904 documentation of -mtiny-stack.
2906 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2907 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2908 * config/avr/t-avr: Remove generation of multilib.h.
2909 * config/avr/t-multilib: Regenerate.
2910 * config/avr/multilib.h: Remove.
2911 * config/avr/avr.opt (-msp8): New option.
2912 (avr_sp8): New variable.
2913 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2914 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2915 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2916 (avr_device_to_sp8): New prototype.
2917 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2918 (DRIVER_SELF_SPECS): New define.
2919 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2920 __AVR_SP8__, __AVR_HAVE_SPH__.
2921 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2922 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2923 (avr_file_start): Ditto.
2925 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2928 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2929 instead of 8 in adjust_address.
2931 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2933 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2934 of a unit before computing the offset in units.
2936 2012-03-27 Richard Guenther <rguenther@suse.de>
2939 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2942 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2945 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2947 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2950 * varasm.c: Include pointer-set.h.
2951 (pending_assemble_externals_set): New pointer set.
2952 (process_pending_assemble_externals): Destroy the pointer set.
2953 (assemble_external): See if decl is in pending_assemble_externals_set,
2954 and add it to pending_assemble_externals if necessary.
2955 (init_varasm_once): Allocate pending_assemble_externals_set.
2957 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2959 Backported from mainline
2960 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2963 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2964 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2965 (vector_ltgt<mode>): Likewise.
2966 (vector_ordered<mode>): Likewise.
2967 (vector_unordered<mode>): Likewise.
2968 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2970 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2972 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2975 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2977 Backported from mainline
2978 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2982 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2983 GENERAL_REGS and FP_REGS for SImode.
2985 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2988 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2989 on any new_local_var_chain vars declared during recursing on
2990 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2992 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2994 Backport from 2012-03-22 mainline r185692.
2997 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2998 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2999 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
3000 (delay_cycles_1, delay_cycles_2): Ditto.
3001 (delay_cycles_3, delay_cycles_4): Ditto.
3002 (nopv, *nopv): Ditto.
3003 (sleep, *sleep): Ditto.
3006 Backport from 2012-03-21 mainline r185605.
3008 PR rtl-optimization/52543
3010 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
3011 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
3012 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
3013 (avr_load_libgcc_p): Restrict to __flash loads.
3014 (avr_out_lpm): Only handle 1-byte loads from __flash.
3015 (avr_load_lpm): New function.
3016 (avr_find_unused_d_reg): Remove.
3017 (avr_out_lpm_no_lpmx): Remove.
3018 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
3019 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
3020 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
3021 (load_<mode>, load_<mode>_clobber): New insns.
3022 (mov<mode>): For multi-byte move from non-generic
3023 16-bit address spaces: Expand to load_<mode> resp.
3024 load_<mode>_clobber.
3025 (load<mode>_libgcc): Remove expander.
3026 (split-lpmx): Remove split.
3028 Backport from 2012-03-13 mainline r185329.
3031 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
3032 offset (size) to a value the insns can deal with.
3033 (expand_epilogue): Ditto.
3035 Backport from 2012-03-12 mainline r185256.
3038 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3039 type from reg_class_t to enum reg_class.
3040 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3042 Backport from 2012-03-12 mainline r185253.
3045 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3046 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3047 r184615 from 2012-02-28.
3049 Backport from 2012-03-08 mainline r185105.
3051 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
3052 for constants in [-63,63].
3054 Backport from 2012-03-08 mainline r185100.
3057 * config/avr/avr.c (avr_mem_clobber): New static function.
3058 (avr_expand_delay_cycles): Add memory clobber operand to
3059 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
3060 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
3061 (enable_interrupt, disable_interrupt): New expander.
3062 (nopv, sleep, wdr): New expanders.
3063 (delay_cycles_1): Add memory clobber.
3064 (delay_cycles_2): Add memory clobber.
3065 (delay_cycles_3): Add memory clobber.
3066 (delay_cycles_4): Add memory clobber.
3067 (cli_sei): New insn from former "enable_interrupt",
3068 "disable_interrupt" with memory clobber.
3069 (*wdt): New insn from former "wdt" with memory clobber.
3070 (*nopv): Similar, but for "nopv".
3071 (*sleep): Similar, but for "sleep".
3073 Backport from 2012-03-07 mainline r185043.
3076 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
3078 Backport from 2012-03-07 mainline r185032.
3081 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3082 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3083 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3085 Backport from 2012-03-07 mainline r185031.
3088 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3090 * config/avr/avr.md (xload_8): Adjust insn length.
3092 Backport from 2012-03-07 mainline r185030.
3095 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3096 if RAMPZ affects reading from RAM.
3098 Backport from 2012-03-05 mainline r184919.
3100 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3102 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3104 Backport from mainline r185259.
3107 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3108 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3110 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3112 Backported from mainline
3113 2012-03-13 Jakub Jelinek <jakub@redhat.com>
3116 * c-parser.c (c_parser_postfix_expression)
3117 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3119 * config/i386/smmintrin.h: Avoid /* within a comment.
3120 * config/i386/nmmintrin.h: Likewise.
3122 2012-03-22 Richard Guenther <rguenther@suse.de>
3124 * BASE-VER: Set to 4.7.1.
3125 * DEV-PHASE: Set to prerelease.
3127 2012-03-22 Release Manager
3129 * GCC 4.7.0 released.
3131 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3133 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3135 2012-03-15 Jakub Jelinek <jakub@redhat.com>
3136 Andrew Pinski <apinski@cavium.com>
3139 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3140 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3141 calls instead of __builtin_ir{int,ound}*.
3143 2012-03-14 Jakub Jelinek <jakub@redhat.com>
3146 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
3149 2012-03-13 Joseph Myers <joseph@codesourcery.com>
3151 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
3152 Refer to GCC 4.7 version of c99status.html.
3154 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3156 Backport from mainline
3157 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3159 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
3160 redefine to be NULL if the current bit-size is different from the
3161 configured bit-size.
3163 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
3164 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
3165 set the default tuning. Add asserts to make sure the cpu and tune
3166 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
3167 test whether the index is set, instead of > 0.
3168 (rs6000_file_start): Do not reset the default cpu if the current
3169 bit-size is different from the configured bit-size.
3171 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3173 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3175 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3176 Update binutils references.
3177 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3178 Update binutils reference.
3179 Update Sun as/GNU ld caveat.
3180 Document binutils largefile requirement for LTO plugin.
3181 Remove reference to alternate libpthread.
3183 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3185 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
3187 (Specific, mips-sgi-irix6): Likewise.
3189 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3191 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
3192 * configure: Regenerate.
3194 2012-03-07 Richard Henderson <rth@redhat.com>
3196 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3197 * config/m68k/sync.md (atomic_test_and_set): Use it.
3198 (atomic_test_and_set_1): Likewise.
3200 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3203 * Makefile.in: Let install-gcc-ar depend on installdirs,
3204 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3205 Don't double canonicalize if cross-compiling.
3207 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3209 * trans-mem.c: New typedef for tm_region_p.
3210 Define vector types for tm_region_p.
3211 (tm_region_init): Replace region_worklist to a vector called
3214 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3217 * trans-mem.c (tm_region_init): Use last_basic_block.
3219 2012-03-05 Richard Henderson <rth@redhat.com>
3222 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3223 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3224 BIGGEST_ALIGNMENT is aligned.
3226 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3228 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3230 2012-03-05 Richard Henderson <rth@redhat.com>
3233 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3234 instead of calling negqi2 directly.
3236 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3238 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
3239 (INTMAX_TYPE): Use it.
3240 (UINTMAX_TYPE): Likewise.
3241 (SUBTARGET_OVERRIDE_OPTIONS): Define.
3242 (irix6_c_common_override_options): Declare.
3243 (C_COMMON_OVERRIDE_OPTIONS): Define.
3244 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
3245 * config/mips/irix6-c.c: New file.
3246 * config/mips/t-irix6 (irix6-c.o): New target.
3247 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
3250 2012-03-02 Richard Henderson <rth@redhat.com>
3252 * optabs.c (expand_atomic_test_and_set): Honor
3253 atomic_test_and_set_trueval even when atomic_test_and_set
3254 optab is not in use.
3256 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3258 Backport from mainline
3259 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3261 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3263 2012-03-02 Richard Guenther <rguenther@suse.de>
3265 * DEV-PHASE: Set to prerelease.
3267 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3269 * config.gcc (obsolete): Add all ARM targets using the FPA.
3270 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3271 * doc/install.texi: Avoid references to obsolete ARM ports.
3273 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3275 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3277 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3278 Joern Rennecke <joern.rennecke@embecosm.com>
3280 * doc/extend.texi: Expand and update information on interrupt
3281 attribute for Epiphany.
3283 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3285 * config/sh/sh-protos.h: Update copyright notice dates.
3286 * config/sh/sh.h: Likewise.
3287 * config/sh/sh.md: Likewise.
3288 * config/sh/constraints.md: Likewise.
3289 * config/sh/predicates.md: Likewise.
3291 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3293 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3294 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3296 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3298 * config/sh/constraints.md: Fix comment typo.
3300 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3303 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3304 unsigned HOST_WIDE_INT.
3305 (zvdep_imm64): Likewise.
3306 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3307 (vdepi_and): Likewise.
3308 Likewise for unamed 64-bit patterns.
3309 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3311 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3314 PR rtl-optimization/52417
3315 * cselib.c (cselib_any_perm_equivs): New variable.
3316 (cselib_reset_table): Check that it's not set when not
3317 preserving constants.
3318 (cselib_add_permanent_equiv): Set it.
3319 (cselib_have_permanent_equivalences): New.
3320 (cselib_init, cselib_finish): Reset it.
3321 * cselib.h (cselib_have_permanent_equivalences): Declare.
3322 * alias.c (get_addr): Restore earlier behavior when there
3323 aren't permanent equivalences.
3325 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3327 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3328 * config/v850/v850-modes.def: Fix copyright notice.
3330 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3332 * doc/extend.texi (AVR Built-in Functions): Document
3333 __builtin_avr_flash_segment.
3335 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3336 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3337 (*split.flash_segment): New insn-and-split.
3338 * config/avr/avr.c (avr_init_builtins): Add local variables:
3339 const_memx_void_node, const_memx_ptr_type_node,
3340 char_ftype_const_memx_ptr.
3342 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3344 PR tree-optimization/52445
3345 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3346 add ssa_name_ver, offset and size fields and change store field
3348 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3349 (add_or_mark_expr): Likewise. Only consider previous stores
3350 with the same size and offset.
3351 (nt_init_block): Only look at gimple_assign_single_p stmts,
3352 doesn't look at rhs2.
3354 2012-03-01 Richard Guenther <rguenther@suse.de>
3357 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3358 conversions from integral types to pointer types.
3360 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3362 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3363 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3364 unintentionally removed in r184616.
3366 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3368 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3371 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3372 Uros Bizjak <ubizjak@gmail.com>
3375 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3376 alternatives, add "e" constraint to the new last alternative
3377 and ! to last 3 alternatives.
3379 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3381 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3382 DW_AT_artificial attributes at the end of the processing.
3383 (gen_array_type_die): Likewise.
3384 (gen_enumeration_type_die): Likewise.
3385 (gen_struct_or_union_type_die): Likewise.
3386 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3389 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3392 * expr.c (expand_assignment): If doing misaligned store that doesn't
3393 cover all mode bits, perform a RMW cycle.
3395 PR tree-optimization/52429
3396 * tree-parloops.c (separate_decls_in_region_debug): Return early
3397 if var is LABEL_DECL.
3399 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3401 PR tree-optimization/52424
3402 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3403 calling dom_thread_across_edge.
3405 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3407 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3409 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3411 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3412 * config/avr/avr.c (avr_output_bld): Remove unused function.
3413 (avr_out_sbxx_branch): Use "%T" to print bit position.
3415 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3417 * config/avr/avr.md: Untabify.
3419 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3421 * config/avr/avr.md (eqne): New code iterator.
3422 (*dec-and-branchsi): Use it in text peephole's condition.
3423 (*dec-and-branchhi): Ditto.
3424 (*dec-and-branchqi): Ditto.
3426 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3429 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3430 the device does not have the skip-bug.
3432 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3434 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3435 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3436 -mpretend-cmove): New.
3438 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3441 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3442 doesn't count DEBUG_INSN refs.
3443 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3444 for DEBUG_INSN refs.
3446 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3450 2012-02-20 Richard Guenther <rguenther@suse.de>
3451 PR tree-optimization/52298
3452 * tree-vect-stmts.c (vectorizable_load): Properly use
3453 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3456 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3459 * gimple.h (gimple_in_transaction): New.
3460 (gimple_set_in_transaction): New.
3461 (struct gimple_statement_base): Add in_transaction field.
3462 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3464 (tree_ssa_lim_initialize): Compute transaction bits.
3465 * tree.h (compute_transaction_bits): Protoize.
3466 * trans-mem.c (tm_region_init): Use the heap to store BB
3468 (compute_transaction_bits): New.
3470 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3472 * gcc.c (display_help): Document --help=common and sort entries
3475 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3477 * doc/install.texi: Document check-$LANG specific shortcuts
3479 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3482 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3484 * config/arm/arm_neon.h: Regenerate.
3485 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3486 (neon_vcgeu): New insn.
3487 (neon_vcgtu): Likewise.
3488 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3489 (ops): Unsigned comparison intrinsics call a different
3492 2012-02-28 Richard Guenther <rguenther@suse.de>
3495 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3496 ordering for the VEC_CONCAT for two element vectors for
3497 V2SFmode, V2SImode and V2DImode.
3499 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3502 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3503 detecting big-endian triplets.
3505 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3507 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3508 mode if there is no type information available.
3510 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3512 PR tree-optimization/53207
3513 * doc/invoke.texi: Document as experimental and relying on graphite.
3515 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3517 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3518 of initializer to changes from r184614.
3520 2012-02-28 Richard Guenther <rguenther@suse.de>
3522 PR tree-optimization/52395
3523 * tree-sra.c (build_ref_for_offset): Also look at the base
3524 TYPE_ALIGN when figuring out the alignment of the replacement.
3526 2012-02-28 Richard Guenther <rguenther@suse.de>
3528 PR tree-optimization/52402
3529 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3530 mis-aligned types when creating the accesses at the call site.
3532 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3534 * config/avr/builtins.def: New file.
3535 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3536 * config/avr/avr.c (enum avr_builtin_id): Use it.
3537 (avr_init_builtins): Use it. And use avr_bdesc.
3538 (bdesc_1arg): Remove.
3539 (bdesc_2arg): Remove.
3540 (bdesc_3arg): Remove.
3541 (struct avr_builtin_description): Add field n_args.
3542 (avr_bdesc): New static variable using builtins.def.
3543 (avr_expand_builtin): Use it.
3544 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3545 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3546 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3548 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3551 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3552 match only one single hard register with respective hard reg rtx.
3553 (movmemx_<mode>): Ditto.
3554 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3555 insn anatomy of movmem[x]_<mode>.
3556 (avr_out_movmem): Same for printing assembler and operand usage.
3558 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3562 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3563 address spaces located outside of device flash.
3565 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3566 (mcu_type_s): Add field n_flash.
3567 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3568 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3569 (AVR_MCU): Add N_FLASH argument.
3570 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3571 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3572 macro __FLASH<n> if that address space makes sense for the device.
3573 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3574 outside of target flash.
3575 (avr_asm_named_section): Ditto.
3576 (avr_asm_select_section): Ditto.
3577 (avr_addr_space_convert): Ditto.
3578 (avr_emit_movmemhi): Ditto.
3579 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3580 address space is outside of device flash.
3581 (avr_insert_attributes): Ditto.
3582 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3583 avr_current_arch->n_segments.
3585 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3588 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3590 (*movabs<mode>_2): Likewise.
3592 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3595 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3596 s_register_operand in the test instead of REG_P. Don't call
3597 gen_reg_rtx if it won't be used.
3599 PR tree-optimization/52376
3600 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3602 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3604 * ifcvt.c (noce_get_condition): Check condition variable is not
3605 small_register_classes_for_mode_p before accepting.
3607 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3609 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3611 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3614 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3615 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3617 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3619 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3621 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3623 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3625 * config/sh/predicates.md: Remove blank lines.
3626 * config/sh/sh.c: Fix typos in comments.
3627 * config/sh/constraints.md: Likewise.
3628 * config/sh/sh.md: Remove blank lines.
3629 Fix typos in comments. Use ;; as comment characters.
3631 2012-02-26 Walter Lee <walt@tilera.com>
3633 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3634 (replace_mov_pcrel_step2): Ditto.
3636 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3639 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3640 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3641 and locs that reference values newer than the non-canonical value
3642 at hand. Return the canonical value as a worst case.
3643 (memrefs_conflict_p): Walk canonical value's locs.
3646 * cselib.c (preserve_only_constants): Rename to...
3647 (preserve_constants_and_equivs): ... this. Split out...
3648 (invariant_or_equiv_p): ... this. Preserve plus expressions
3649 of other preserved expressions too.
3650 (cselib_reset_table): Adjust.
3651 * var-tracking.c (reverse_op): Use canonical value to build
3654 2012-02-23 Kai Tietz <ktietz@redhat.com>
3656 * config/i386/i386.c (ix86_delegitimize_address): Handle
3657 UNSPEC_PCREL plus displacement.
3659 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3662 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3663 to test for unusedness in st X addressing.
3665 2012-02-24 Richard Guenther <rguenther@suse.de>
3668 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3669 (is_gimple_reg_type): Move inline ...
3670 * gimple.h (is_gimple_reg_type): ... here.
3672 2012-02-24 Richard Guenther <rguenther@suse.de>
3675 * passes.c (execute_function_todo): When verifying SSA form
3676 verify gimple form first.
3677 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3679 2012-02-24 Richard Guenther <rguenther@suse.de>
3682 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3683 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3685 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3687 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3689 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3691 * tree-phinodes.c (make_phi_node): Mark static.
3692 * tree-flow.h (make_phi_node): Remove extern decl.
3693 * doc/gimple.texi (make_phi_node): Remove documentation.
3695 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3697 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3698 * tree-ssa-sccvn.c (print_scc): Ditto.
3700 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3702 * doc/passes.texi (Full redundancy elimination): Fix typo.
3704 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3706 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3708 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3711 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3713 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3716 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3718 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3720 * config/avr/avr.md (code_stdname): Add ior, xor.
3721 (xior): New code iterator.
3722 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3723 (*<code_stdname><mode>qi.byte1-3): Ditto.
3725 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3727 PR tree-optimization/52019
3728 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3731 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3733 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3734 HAVE_INITFINI_ARRAY to work around namespace pollution in
3735 certain versions of newlib system headers.
3736 * config.in: Regenerate.
3737 * configure: Regenerate.
3738 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3739 instead of HAVE_INITFINI_ARRAY.
3741 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3744 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3745 is not offsettable memory reference.
3747 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3750 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3751 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3753 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3755 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3756 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3758 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3760 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3761 library on Solaris 8 even without TLS support.
3762 * configure: Regenerate.
3764 2012-02-22 Richard Guenther <rguenther@suse.de>
3767 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3768 for GIMPLE_DEBUG stmts.
3770 2012-02-22 Martin Jambor <mjambor@suse.cz>
3773 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3774 according to the base object.
3776 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3778 PR rtl-optimization/50063
3779 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3780 and 2 (8-bit SP) in operand 2.
3781 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3782 setup to use movhi_sp_r instead of vanilla move to write SP.
3783 Adjust REG_CFA notes to superseed unspec.
3784 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3786 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3787 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3788 irq_state 1 (IRQ known to be on) here.
3790 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3792 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3794 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3795 assign_hard_reg): Likewise.
3797 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3799 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3801 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3804 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3805 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3807 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3809 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3810 prototype from here to...
3811 * config/avr/avr.h: ...here.
3813 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3816 * thumb2.md (thumb2_shiftsi3_short): Split register and
3817 immediate shifts. For register shifts tie operands 0 and 1.
3818 (peephole2 for above): Check that register-controlled shifts
3819 have suitably tied operands.
3821 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3824 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3825 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3826 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3827 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3828 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3829 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3830 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3831 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3832 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3833 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3834 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3835 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3836 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3837 bdver1_ssevector_avx256_unaligned_load,
3838 bdver1_ssevector_sse128_unaligned_load,
3839 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3840 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3841 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3842 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3843 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3844 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3845 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3846 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3847 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3848 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3849 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3850 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3851 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3852 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3853 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3854 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3855 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3856 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3857 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3858 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3859 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3860 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3861 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3862 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3863 bdver1_ssediv_double_load, bdver1_ssediv_double,
3864 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3865 Add "bdver2" attribute.
3867 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3869 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3870 default if possible and not specified otherwise.
3872 2012-02-21 Richard Guenther <rguenther@suse.de>
3875 * gimplify.c (create_tmp_from_val): Use the main variant type
3876 for the type of the temporary we create.
3878 2012-02-21 Richard Guenther <rguenther@suse.de>
3880 PR tree-optimization/52324
3881 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3882 do not gimplify a MEM_REF address operand if it is already
3885 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3887 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3888 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3890 2012-02-21 Richard Guenther <rguenther@suse.de>
3892 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3893 nested_in_vect_loop.
3895 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3897 PR tree-optimization/52318
3898 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3899 vdef also to non-pure/const call stmts in the sequence.
3901 2012-02-20 David S. Miller <davem@davemloft.net>
3903 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3904 don't use the "rd %pc" instruction on v9 for PIC register loads.
3906 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3909 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3910 in a transaction safe function.
3912 2012-02-20 Kai Tietz <ktietz@redhat.com>
3915 * stor-layout.c (place_field): Handle desired_align for
3918 2012-02-20 Richard Guenther <rguenther@suse.de>
3920 PR tree-optimization/52298
3921 * tree-vect-stmts.c (vectorizable_store): Properly use
3922 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3924 (vectorizable_load): Likewise.
3925 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3926 Access DR_STEP after ensuring it is not NULL.
3928 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3930 PR tree-optimization/52286
3931 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3932 optimization use double_int_to_tree instead of build_int_cst_wide,
3933 rewrite to use double_int vars.
3935 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3938 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3940 Remove -e 0 from $gcc_cv_ld invocation.
3941 Only use __GLIBC_PREREQ if defined.
3942 Enable on Solaris since Solaris 8 patch.
3943 (gcc_SUN_LD_VERSION): New macro.
3944 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3945 gcc_SUN_LD_VERSION for version number format.
3946 * configure: Regenerate.
3947 * varasm.c (get_elf_initfini_array_priority_section): Set
3948 SECTION_NOTYPE for non-default priority.
3949 Use get_section instead of get_unnamed_section to emit
3950 .init_array/.fini_array with default priority.
3952 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3954 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3955 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3956 (mips_start_unique_function, mips_output_mips16_rdhwr)
3957 (mips_code_end): New functions.
3958 (TARGET_ASM_CODE_END): Define.
3960 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3962 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3963 to stubs with non-sibling calls.
3965 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3967 * doc/invoke.texi (-fira-* options): Copy-edit.
3968 (ira-* parameters): Copy-edit.
3970 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3972 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3973 GCC coding conventions.
3975 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3977 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3978 when used as adjectives.
3980 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3982 * doc/invoke.texi: Clean up "that"/"which" confusion.
3984 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3986 * system.h: Poison SMALL_REGISTER_CLASSES
3987 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3988 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3990 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3992 PR tree-optimization/52285
3993 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3994 when deciding if a call is a tail call or tail recursion.
3996 2012-02-16 Kai Tietz <ktietz@redhat.com>
3998 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3999 interger-constant displacement for UNSPEC_PCREL.
4001 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4003 PR rtl-optimization/52208
4004 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4005 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4007 PR tree-optimization/52255
4008 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4009 loop->header has virtual PHI, but exit_e->dest doesn't, add
4010 virtual PHI to exit_e->dest and adjust all uses after the loop.
4013 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4014 children with clone_tree_hash, not after it.
4016 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4018 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4019 extended identifiers.
4021 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4024 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4025 a same_body_alias, also test whether e->callee isn't a former
4026 or current clone of the decl this is a same body alias of.
4028 PR translation/52264
4029 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4031 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4033 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4035 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4038 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4039 force_reg instead of copy_to_reg for better optimization. Force
4040 non-register or memory operands into a register.
4042 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4044 * extend.texi: Reserve upper bits of memory model for future use.
4046 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4047 Anatoly Sokolov <aesok@post.ru>
4048 Eric Weddington <eric.weddington@atmel.com>
4051 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4052 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4053 Rewrite initializers for .macro.
4054 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4055 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4056 atxmega32d4, atxmega32x1.
4057 avrxmega4: atxmega64a3, atxmega64d3.
4058 avrxmega5: atxmega64a1, atxmega64a1u.
4059 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4060 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4061 avrxmega7: atxmega128a1, atxmega128a1u.
4062 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4063 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4064 (struct base_arch_s): Rename reserved to xmega_p.
4065 Rename reserved2 to have_rampd.
4066 (AVR_XMEGA): New define.
4067 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4068 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4069 * config/avr/predicates.md (io_address_operand): Take into
4071 (low_io_address_operand): Ditto.
4072 (high_io_address_operand): Ditto.
4073 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4074 (enabled, movhi_sp_r): Use them.
4075 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4076 cpp_define_formatted to built-in define __AVR_ARCH__.
4077 (__AVR_XMEGA__): New built-in define.
4078 (__AVR_HAVE_RAMPD__): New built-in define.
4079 (__AVR_HAVE_RAMPX__): New built-in define.
4080 (__AVR_HAVE_RAMPY__): New built-in define.
4081 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4083 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4084 (avr_option_override): Initialize them.
4085 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4086 (avr_init_expanders): Initialize them. No more block several calls.
4087 (emit_push_sfr): New static function.
4088 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4090 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4091 (avr_print_operand): Print addreeses as symbols for
4092 RAMPX, RAMPY, RAMPD, CCP.
4093 (output_movhi): Handle AVR_XMEGA when writing to SP.
4094 (avr_out_movhi_mr_r_xmega): New static function.
4095 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4096 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4097 __RAMPD__, __CCP__ as needed.
4099 * config/avr/multilib.h: Regenerate.
4100 * config/avr/t-multilib: Regenerate.
4101 * config/avr/avr-tables.opt: Regenerate.
4103 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4105 PR tree-optimization/50561
4106 * graphite-flattening.c (lst_project_loop): Do not
4107 remove old scattering dimensions after flattening.
4108 (lst_do_flatten): Likewise.
4110 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4112 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4113 __builtin_avr_map8, __builtin_avr_map16.
4114 Document __builtin_avr_insert_bits.
4116 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4117 (insert_bits): New insn.
4118 (adjust_len.map_bits): Rename to insert_bits.
4119 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4120 * avr-protos.h (avr_out_map_bits): Remove.
4121 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4122 * config/avr/constraints.md (Cxf,C0f): New.
4123 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4124 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4125 New built-in define __BUILTIN_AVR_INSERT_BITS.
4126 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4127 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4128 (avr_move_bits): Rewrite.
4129 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4131 (avr_map_op_t): New typedef.
4132 (avr_map_op): New static variable.
4133 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4134 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4135 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4136 (bdesc_3arg, avr_expand_triop_builtin): New.
4137 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4138 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4139 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4140 (avr_map_equal_p, avr_map_sig_p): Remove.
4141 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4142 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4143 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4144 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4145 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4146 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4148 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4150 * config/c6x/c6x.md (reserve_cycles): New attribute.
4151 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4152 don't reserve functional units after the branch occurs.
4154 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4157 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4158 functions into non-tm_pure functions.
4160 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4163 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4164 (iterative_hash_canonical_type): Likewise.
4165 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4168 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4170 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4171 sched-group insn, it either remains alone or the entire list is pruned.
4173 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4175 * doc/install.texi (Prerequisites): Fix grammar.
4176 (Configuration): Likewise.
4178 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4180 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4181 MPC as part of GCC before describing configuring with --with-gmp etc.
4182 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4183 sources are present.
4185 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4188 * dwarf2out.c (clone_tree_hash): New function.
4189 (copy_decls_walk): Use it instead of clone_tree.
4191 2012-02-14 Richard Guenther <rguenther@suse.de>
4193 PR tree-optimization/52244
4194 PR tree-optimization/51528
4195 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4196 replacements for integral types.
4198 2012-02-14 Walter Lee <walt@tilera.com>
4200 * config.gcc: Handle tilegx and tilepro.
4201 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4203 Add HAVE_AS_TLS check for tilegx and tilepro.
4204 * configure: Regenerate.
4205 * doc/contrib.texi: Add Mat Hostetter and self.
4206 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4207 Document instruction intrinsics and network accessing intrinsics.
4208 (TILEPro Built-in Functions): New node. Document instruction
4209 intrinsics and network accessing intrinsics.
4210 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4211 (Specific, tilepro-*-linux*): Likewise.
4212 * doc/invoke.texi (TILE-Gx Options): New section.
4213 (TILEPro Options): New section.
4214 * doc/md.texi (TILE-Gx): New section.
4215 (TILEPro): New section.
4216 * common/config/tilegx/tilegx-common.c: New file.
4217 * common/config/tilepro/tilepro-common.c: New file.
4218 * config/tilegx/constraints.md: New file.
4219 * config/tilegx/linux.h: New file.
4220 * config/tilegx/mul-tables.c: New file.
4221 * config/tilegx/predicates.md: New file.
4222 * config/tilegx/sync.md: New file.
4223 * config/tilegx/t-tilegx: New file.
4224 * config/tilegx/tilegx-builtins.h: New file.
4225 * config/tilegx/tilegx-c.c: New file.
4226 * config/tilegx/tilegx-generic.md: New file.
4227 * config/tilegx/tilegx-modes.def: New file.
4228 * config/tilegx/tilegx-multiply.h: New file.
4229 * config/tilegx/tilegx-protos.h: New file.
4230 * config/tilegx/tilegx.c: New file.
4231 * config/tilegx/tilegx.h: New file.
4232 * config/tilegx/tilegx.md: New file.
4233 * config/tilegx/tilegx.opt: New file.
4234 * config/tilepro/constraints.md: New file.
4235 * config/tilepro/gen-mul-tables.cc: New file.
4236 * config/tilepro/linux.h: New file.
4237 * config/tilepro/mul-tables.c: New file.
4238 * config/tilepro/predicates.md: New file.
4239 * config/tilepro/t-tilepro: New file.
4240 * config/tilepro/tilepro-builtins.h: New file.
4241 * config/tilepro/tilepro-c.c: New file.
4242 * config/tilepro/tilepro-generic.md: New file.
4243 * config/tilepro/tilepro-modes.def: New file.
4244 * config/tilepro/tilepro-multiply.h: New file.
4245 * config/tilepro/tilepro-protos.h: New file.
4246 * config/tilepro/tilepro.c: New file.
4247 * config/tilepro/tilepro.h: New file.
4248 * config/tilepro/tilepro.md: New file.
4249 * config/tilepro/tilepro.opt: New file.
4251 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4253 PR tree-optimization/52210
4254 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4255 vect_model_simple_cost with two entry vect_def_type array instead
4256 of an address of dt.
4258 2012-02-14 Richard Guenther <rguenther@suse.de>
4261 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4262 Do not stream DECL_QUALIFIER.
4263 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4264 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4265 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4267 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4270 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4273 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4276 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4277 * cselib.c (cselib_subst_to_values_from_insn): New function.
4278 * sched-deps.c (add_insn_mem_dependence,
4279 sched_analyze_1, sched_analyze_2): Use it.
4281 2012-02-13 Jan Hubicka <jh@suse.cz>
4284 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4286 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4288 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4289 (GTM_SELF_SPECS): Define if not already defined.
4290 (driver_self_specs): Add GTM_SELF_SPECS.
4291 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4292 (GTM_SELF_SPECS): Define.
4293 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4294 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4296 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4298 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4301 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4304 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4305 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4307 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4310 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4312 2012-02-13 Richard Guenther <rguenther@suse.de>
4314 PR translation/52211
4315 * passes.c (enable_disable_pass): Fix typo.
4317 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4320 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4321 XOR for reduce_bit_field if type is unsigned.
4323 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4325 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4326 disallow changes from SFmode to mode with different size in FP regs.
4328 2012-02-12 Robert Millan <rmh@gnu.org>
4329 Gerald Pfeifer <gerald@pfeifer.com>
4331 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4334 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4336 PR rtl-optimization/52175
4337 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4338 to frame-related instructions.
4340 2012-02-10 Jason Merrill <jason@redhat.com>
4343 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4344 (demangle_new_symbols): Fill it.
4345 (scan_linker_output): Walk it.
4346 (start_tweaking): Split out from scan_linker_output.
4347 (maybe_tweak): Update sym->chosen.
4348 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4350 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4353 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4355 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4357 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4358 having the same mode as previous compare.
4360 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4362 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4363 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4364 (nonlocal_goto_internal): Likewise.
4365 (nonlocal_goto): Emit a use and an indirect jump directly.
4367 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4370 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4371 __atomic_{is,always}_lock_free.
4373 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4376 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4377 negative constant address for x32.
4379 2012-02-10 Richard Henderson <rth@redhat.com>
4381 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4382 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4383 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4385 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4386 Ira Rosen <irar@il.ibm.com>
4388 PR tree-optimization/50031
4389 * targhooks.c (default_builtin_vectorization_cost): Handle
4391 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4392 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4393 all types of reduction and pattern statements.
4394 (vect_estimate_min_profitable_iters): Likewise.
4395 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4396 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4397 for explicit realigns.
4398 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4399 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4401 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4402 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4403 vec_perm for VSX and handle vec_promote_demote.
4405 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4408 * builtins.c (fold_builtin_atomic_always_lock_free,
4409 expand_builtin_atomic_always_lock_free,
4410 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4411 Return and/or test boolean_true_node/boolean_false_node instead of
4412 integer_one_node/integer_zero_node.
4414 2012-02-10 Jan Hubicka <jh@suse.cz>
4417 * predict.c (predict_paths_for_bb): Prevent looping.
4418 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4420 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4422 * config/arm/arm.c (output_move_double): In one case properly
4423 count number of instructions that will be emitted.
4425 2012-02-10 Richard Guenther <rguenther@suse.de>
4427 PR translation/52193
4428 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4430 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4433 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4435 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4438 * var-tracking.c (emit_note_insn_var_location): If
4439 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4440 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4441 non-NOTE_DURING_CALL_P insn.
4443 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4446 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4448 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4451 * gcc.c (switch_matches) Support switches with separated form,
4454 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4456 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4458 (RAMPZ_ADDR): Ditto.
4459 * config/avr/avr.c (avr_addr_t): New typedef.
4460 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4461 (avr_init_expanders): Initialize it.
4462 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4464 (expand_epilogue): Ditto.
4465 (avr_print_operand): Ditto.
4466 (avr_file_start): Ditto.
4467 (avr_emit_movmemhi): Ditto.
4469 2012-02-08 Richard Guenther <rguenther@suse.de>
4471 PR tree-optimization/46886
4472 * tree-flow.h (do_while_loop_p): Declare.
4473 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4474 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4476 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4478 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4479 always succeed for integers larger than a native word.
4481 2012-02-08 Richard Guenther <rguenther@suse.de>
4483 PR rtl-optimization/52170
4484 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4485 properly handle integer vector modes.
4487 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4489 PR gcov-profile/52150
4490 * coverage.c: Include target.h.
4491 (build_var): Call targetm.strip_name_encoding on the assembler name.
4492 Change one _ into . or $ if the target allows it.
4493 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4495 PR rtl-optimization/52139
4496 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4497 is a BARRIER after emit_insn_after_noloc, move BB_END
4498 to the last non-BARRIER insn before it.
4500 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4503 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4504 (mips_gimplify_va_arg_expr): Call it instead of
4505 std_gimplify_va_arg_expr.
4507 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4509 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4510 message for -mno-pointers-to-nested-function.
4512 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4515 * expr.c (get_inner_reference): If there is an offset, add a negative
4516 bit position to it (if any).
4518 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4520 PR rtl-optimization/52060
4521 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4522 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4523 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4524 and/or i0src_copy2 when needed.
4526 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4528 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4529 or LTOPLUGINSONAME if have_c.
4531 * config/freebsd-spec.h: Add comment about what macros can be defined
4533 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4534 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4537 2012-02-07 Richard Guenther <rguenther@suse.de>
4539 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4540 newline in -alias dumps.
4542 2012-02-07 Kai Tietz <ktietz@redhat.com>
4543 Dave Korn <dave.korn.cygwin@gmail.com>
4546 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4547 Take care that typinfo gets dllexport-attribute.
4549 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4552 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4553 if modifier < EXPAND_SUM call force_operand on the result.
4555 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4557 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4558 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4560 (epiphany_function_type): Replace types for specific interrupts with
4561 EPIPHANY_FUNCTION_INTERRUPT.
4562 (EPIPHANY_INTERRUPT_P): Update.
4563 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4564 New static function.
4565 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4566 <disinterrupt>: Affects type identity.
4567 (epiphany_handle_interrupt_attribute): Handle variable number of
4569 (epiphany_compute_function_type): Update for new
4570 epiphany_function_type definition.
4571 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4572 handlers with a longcall forwarder.
4573 (epiphany_start_function): Handle multiple interrupt arguments and/or
4574 forwarder_section attribute.
4576 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4579 2012-02-07 Alan Modra <amodra@gmail.com>
4582 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4585 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4587 PR tree-optimization/50969
4588 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4589 use vec_perm rather than vector_stmt.
4590 (vect_model_load_cost): Likewise.
4591 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4592 vec_perm to be the same as other vector statements.
4593 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4594 cost of vec_perm for TARGET_VSX.
4596 2012-02-06 Richard Guenther <rguenther@suse.de>
4598 PR tree-optimization/52115
4599 * tree-sra.c (access_has_replacements_p): New function.
4600 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4602 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4605 * trans-mem.c (expand_call_tm): Add an assertion.
4606 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4609 2012-02-06 Richard Guenther <rguenther@suse.de>
4611 PR tree-optimization/50955
4612 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4613 raise cost of expressions that replace an address with an
4614 expression based on a different pointer.
4616 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4619 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4620 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4622 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4625 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4626 -Weffc++ and specify guidelines come from second edition.
4628 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4630 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4631 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4632 (call_direct_split, call_value_split, call_value_internal_direct)
4633 (call_value_direct_split, call_value_multiple_split): Use jal and
4634 jal_macro attributes.
4636 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4638 * reload1.c (reload_regs_reach_end_p): Replace with...
4639 (reload_reg_rtx_reaches_end_p): ...this function.
4640 (new_spill_reg_store): Update commentary.
4641 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4642 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4643 before setting new_spill_reg_store.
4644 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4645 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4646 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4647 for non-spill reload registers.
4649 2012-02-05 Ira Rosen <irar@il.ibm.com>
4651 PR tree-optimization/52091
4652 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4653 (vect_is_simple_use_1): Likewise.
4654 * tree-vect-loop.c (vectorizable_reduction): Update calls
4655 to vect_is_simple_use_1 and vect_is_simple_use.
4656 (vectorizable_live_operation): Likewise.
4657 * tree-vect-patterns.c (widened_name_p,
4658 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4659 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4660 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4661 vectorizable_shift,vectorizable_operation, vectorizable_store,
4662 vectorizable_load): Likewise.
4663 (vect_is_simple_cond): Add an argument, pass it to
4664 vect_is_simple_use_1.
4665 (vectorizable_condition): Update calls to vect_is_simple_cond,
4667 (vect_is_simple_use): Add an argument, the statement in which
4668 OPERAND is used. Check that if OPERAND's def stmt is a double
4669 reduction phi node, the use is a phi node too.
4670 (vect_is_simple_use_1): Add an argument, pass it to
4672 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4673 to vect_is_simple_use.
4675 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4677 PR rtl-optimization/52095
4678 * modulo-sched.c (dump_insn_locator): New function.
4679 (loop_canon_p, sms_schedule): Use it.
4681 PR rtl-optimization/52113
4682 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4683 even for decomposable shift/zext insns.
4685 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4686 Zdenek Dvorak <ook@ucw.cz>
4688 PR rtl-optimization/52092
4689 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4690 on get_iv_value result.
4692 2012-02-02 Andrew Pinski <apinski@cavium.com>
4696 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4698 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4701 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4703 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4705 PR rtl-optimization/49800
4706 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4707 (sched_finish): Call regstat_free_n_sets_and_refs.
4709 2012-02-02 Jia Liu <proljc@gmail.com>
4711 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4714 2012-02-02 Jan Hubicka <jh@suse.cz>
4715 Tom de Vries <tom@codesourcery.com>
4718 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4719 * varpool.c (varpool_analyze_pending_decls): Likewise.
4721 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4722 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4724 * config.gcc: Add cr16-* support.
4726 * doc/extend.texi: Document cr16 extensions.
4727 * doc/install.texi: Document cr16 install.
4728 * doc/invoke.texi: Document cr16 options.
4729 * doc/md.texi: Document cr16 constraints.
4731 * common/config/cr16/cr16-common.c: New file.
4732 * config/cr16/cr16.c: New file.
4733 * config/cr16/cr16.h: New file.
4734 * config/cr16/cr16.md: New file.
4735 * config/cr16/cr16.opt: New file.
4736 * config/cr16/cr16-protos.h: New file.
4737 * config/cr16/predicates.md: New file.
4738 * config/cr16/constraints.md: New file.
4739 * config/cr16/t-cr16: New file.
4741 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4744 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4745 that operands[2] is either immediate, or q_regs_operand.
4747 PR tree-optimization/52073
4748 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4749 a pattern stmt for pattern uses, ignore uses outside of the loop.
4751 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4753 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4754 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4755 (OUT_AS1, OUT_AS2): Remove.
4757 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4759 PR rtl-optimization/51374
4760 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4761 to cross other volatile_refs_p insns.
4763 2012-02-01 Richard Guenther <rguenther@suse.de>
4765 * doc/invoke.texi (fno-inline): Clarify documentation.
4766 (finline-small-functions): Likewise.
4767 (finline-functions): Likewise.
4768 * common.opt (finline): Adjust comment and documentation.
4769 (finline-small-functions): Clarify documentation.
4770 (finline-functions): Likewise.
4771 (finline-functions-called-once): Likewise.
4773 2012-02-01 Tristan Gingold <gingold@adacore.com>
4775 * c-typeck.c (composite_type): Keep mode for pointers.
4777 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4779 * function.h (regno_reg_rtx): Adjust comment.
4780 * reginfo.c (init_reg_modes_target): Only use the previous mode
4781 if it fits within one register. Remove MIPS comment.
4783 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4786 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4788 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4790 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4791 to srak instruction.
4793 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4795 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4797 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4802 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4804 2012-01-31 Richard Guenther <rguenther@suse.de>
4806 PR tree-optimization/51528
4807 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4810 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4815 * ree.c (add_removable_extension): Change def_map argument
4816 to unsigned *, store in def_map 1 + offset into *insn_list vector
4817 instead of pointers into the vector.
4818 (find_removable_extensions): Adjust caller.
4820 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4822 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4823 Transform all "* quoted-c-code" to { c-code }.
4824 Remove redundant test for "optimize" in combine patterns.
4825 Move (include "avr-dimode.md") to end of file.
4827 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4830 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4831 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4833 2012-01-30 Richard Guenther <rguenther@suse.de>
4835 PR tree-optimization/52028
4836 * tree-loop-distribution.c (ldist_gen): Properly update
4839 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4842 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4843 set_cur_line_info_table if not emitting debug info.
4845 PR tree-optimization/52046
4846 * tree-vect-patterns.c (check_bool_pattern): Give up if
4847 a comparison could throw.
4850 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4852 2012-01-30 Richard Guenther <rguenther@suse.de>
4854 PR tree-optimization/52045
4855 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4856 SSA form if cfgcleanup did anything.
4858 2012-01-30 Richard Guenther <rguenther@suse.de>
4860 PR tree-optimization/52045
4861 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4862 before computing final todo.
4864 2012-01-30 Richard Guenther <rguenther@suse.de>
4866 PR tree-optimization/51528
4867 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4870 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4872 * df-problems.c (df_kill_notes): Check that the use refers
4873 to the note under examination.
4875 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4878 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4879 parameter and use short-lived pseudos.
4880 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4881 (sparc_expand_vector_init): Const-ify local variables and adjust
4882 calls to above functions.
4884 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4886 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4888 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4890 * doc/invoke.texi: Make usage of "compile time" and
4891 "run time"/"runtime" consistent throughout the file.
4893 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4895 * config/alpha/alpha.c (alpha_option_override): Default to
4896 full IEEE compliance mode for Go language.
4898 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4900 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4901 (LINK_SSP_SPEC): Define.
4903 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4906 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4909 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4911 * doc/invoke.texi: Correct hyphenation of "floating point",
4912 "double precision", and related terminology throughout the file.
4914 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4917 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4918 arm_general_register_operand predicate for operand 2 instead of
4921 2012-01-27 Ian Lance Taylor <iant@google.com>
4924 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4925 * builtins.c (expand_builtin_init_trampoline): Add onstack
4926 parameter. Change caller.
4927 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4928 * tree.c (build_common_builtin_nodes): Declare
4929 __builtin_init_heap_trampoline.
4931 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4933 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4934 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4935 * config/avr/avr.c: Ditto.
4936 (avr_regnames): Remove because unused.
4937 * config/avr/avr.md (*cpse.ne): New peephole.
4938 (*cpse.eq): New peephole from former cpse peepholes.
4940 2012-01-27 Michael Eager <eager@eagercon.com>
4942 * config/microblaze.c (microblaze_emit_compare): Correct
4943 test after pcmp instruction.
4945 2012-01-27 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/52020
4948 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4950 2012-01-27 Richard Guenther <rguenther@suse.de>
4952 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4953 function non-const/pure.
4955 2012-01-27 Richard Guenther <rguenther@suse.de>
4957 PR tree-optimization/50444
4958 * tree-sra.c (build_ref_for_offset): Properly adjust the
4959 MEM_REF type for unaligned accesses.
4961 2012-01-27 Richard Guenther <rguenther@suse.de>
4963 PR tree-optimization/50444
4964 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4965 (expand_assignment): Use it. Properly handle misaligned
4966 bases when expanding stores to component references.
4967 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4970 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4973 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4974 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4975 * tree-data-ref.c (find_data_references_in_loop): Make static.
4976 (compute_all_dependences): Change return type to bool. Bail out
4977 for too many datarefs in a loop. Move the hunk resetting the data
4978 dependences vector from ...
4979 (compute_data_dependences_for_loop): ... here. Account for
4980 compute_all_dependences returning false.
4981 (compute_data_dependences_for_bb): Likewise.
4982 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4983 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4985 2012-01-27 Richard Guenther <rguenther@suse.de>
4988 * expr.c (store_field): Use the alias-set of the scratch memory
4991 2012-01-27 Tom de Vries <tom@codesourcery.com>
4993 PR tree-optimization/51990
4994 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4996 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4998 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5001 * var-tracking.c (reverse_op): Don't add any reverse operation
5002 if V already has any constant locations.
5004 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5006 * doc/invoke.texi: Correct usage of "command line" (noun)
5007 vs "command-line" (adjective) throughout.
5009 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5011 * doc/invoke.texi (Language Independent Options): Move
5012 -Wcoverage-mismatch blurb from here....
5013 (Warning Options): ...to here.
5015 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5017 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5018 Set rs6000_always_hint to false for 476.
5020 2012-01-27 Matthias Klose <doko@ubuntu.com>
5022 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5024 * incpath.c (add_standard_paths): Likewise.
5026 2012-01-27 Richard Henderson <rth@redhat.com>
5028 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5029 * config/m68k/sync.md (atomic_test_and_set): Rename from
5030 sync_test_and_setqi and adjust the operands.
5031 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5032 and unconditionally enable.
5034 2012-01-27 Richard Henderson <rth@redhat.com>
5036 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5037 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5038 (ldstub): Rename from ldstubqi.
5039 (ldstub<I24MODE>): Remove.
5041 2012-01-27 Richard Henderson <rth@redhat.com>
5043 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5044 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5045 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5046 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5047 * doc/tm.texi: Rebuild.
5049 2012-01-27 Richard Henderson <rth@redhat.com>
5051 * optabs.c (gen_atomic_test_and_set): Remove default.
5052 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5054 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5056 PR rtl-optimization/51978
5057 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5058 (combine_reaching_defs): Likewise.
5059 (struct re_info): Remove.
5060 (add_removable_extension): Remove x and data arguments,
5061 add insn, insn_list and def_map. Use the arguments directly
5062 instead of using struct re_info.
5063 (find_removable_extensions): Don't call add_removable_extension
5064 through note_stores, instead just call it with single_set
5066 (find_and_remove_re): Pass curr_cand->expr instead of
5067 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5069 2012-01-26 Michael Matz <matz@suse.de>
5071 PR tree-optimization/46590
5072 * cfgexpand.c: Revert last change (r183305).
5073 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5075 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5076 checking for emptiness.
5078 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5081 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5082 non-addressable non-BLKmode base correctly.
5084 2012-01-26 Michael Matz <matz@suse.de>
5086 PR tree-optimization/48794
5087 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5088 regions referenced from RESX/EH_DISPATCH.
5090 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5092 * config/s390/s390.h: Make BRANCH_COST an option.
5093 * config/s390/s390.opt: New option -mbranch-cost.
5095 2012-01-26 Richard Henderson <rth@redhat.com>
5097 Revert 2012-01-24 change:
5098 * trans-mem.c (requires_barrier): Do not instrument thread local
5099 variables and emit save/restore for them.
5101 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5104 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5107 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5109 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5112 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5115 Rename __pgm to __flash.
5116 Rename __pgm1 to __flash1.
5117 Rename __pgm2 to __flash2.
5118 Rename __pgm3 to __flash3.
5119 Rename __pgm4 to __flash4.
5120 Rename __pgm5 to __flash5.
5121 Rename __pgmx to __memx.
5122 * doc/extend.texi (AVR Named Address Spaces)
5123 Rename address space names as indicated above.
5124 * config/avr/avr.c (avr_addrspace): Ditto.
5126 * config/avr/avr-protos.h
5127 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5128 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5129 * config/avr/predicates.md: Ditto.
5130 * config/avr/avr.c Ditto, and
5131 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5132 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5134 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5135 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5136 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5137 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5138 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5139 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5140 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5141 * config/avr/avr.c: Ditto.
5142 * config/avr/avr.md: Ditto.
5144 2012-01-25 Jason Merrill <jason@redhat.com>
5147 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5149 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5151 PR tree-optimization/51987
5152 * tree-data-ref.c (get_references_in_stmt): Handle references in
5153 non-volatile GIMPLE_ASM.
5155 2012-01-25 Richard Guenther <rguenther@suse.de>
5157 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5158 bases are dereferenced.
5160 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5162 PR rtl-optimization/48374
5163 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5165 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5167 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5168 compute_data_dependences_for_loop returns false.
5169 * tree-parloops.c (loop_parallel_p): Likewise.
5171 2012-01-25 Richard Guenther <rguenther@suse.de>
5173 * tree.h (get_pointer_alignment_1): Declare.
5174 * builtins.c (get_pointer_alignment_1): New function.
5175 (get_pointer_alignment): Use it.
5177 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5179 PR rtl-optimization/48308
5180 * combine.c (enum undo_kind): Add UNDO_LINKS.
5181 (struct undo): Add member l to other_contents and where.
5182 (do_SUBST_LINK): New.
5184 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5185 (undo_all): Handle UNDO_LINKS.
5187 2012-01-25 Richard Henderson <rth@redhat.com>
5189 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5192 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5194 * optabs.c (gen_atomic_test_and_set): Use each argument.
5196 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5198 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5199 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5200 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5201 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5202 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5203 TARGET_PAIRED_SINGLE_FLOAT.
5205 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5207 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5208 (in_struct, return_val): Remove MEM documentation.
5209 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5210 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5211 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5213 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5214 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5215 * expr.c (store_field): Likewise.
5216 * function.c (assign_stack_temp_for_type): Likewise.
5217 * ifcvt.c (noce_try_cmove_arith): Likewise.
5218 * reload1.c (reload): Likewise.
5219 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5220 (alpha_set_memflags): Likewise.
5221 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5223 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5225 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5227 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5228 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5229 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5231 * cselib.c (cselib_rtx_varies_p): Delete.
5232 (cselib_invalidate_mem): Update call to canon_true_dependence.
5233 * dse.c (record_store, check_mem_read_rtx): Likewise.
5234 (scan_reads_nospill): Likewise.
5235 * cse.c (check_dependence): Likewise.
5236 (cse_rtx_varies_p): Delete.
5237 * expr.c (safe_from_p): Update call to true_dependence.
5238 * ira.c (validate_equiv_mem_from_store): Likewise.
5239 (memref_referenced_p): Likewise.
5240 * postreload-gcse.c (find_mem_conflicts): Likewise.
5241 * sched-deps.c (sched_analyze_2): Likewise.
5242 * store-motion.c (load_kills_store): Likewise.
5243 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5244 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5245 (compute_transp): Update call to canon_true_dependence.
5247 2012-01-25 Richard Henderson <rth@redhat.com>
5249 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5250 (maybe_emit_atomic_test_and_set): New.
5251 (expand_sync_lock_test_and_set): Use it.
5252 (expand_atomic_test_and_set): Likewise.
5253 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5254 the implementation; clarify implementation defined details.
5255 * doc/md.texi (atomic_test_and_set): Document.
5257 2012-01-25 Richard Henderson <rth@redhat.com>
5259 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5261 2012-01-25 Richard Henderson <rth@redhat.com>
5264 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5265 to effect no-op split.
5267 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5270 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5271 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5272 (BT_FN_VOID_PTR_INT_SIZE): New.
5273 (BT_FN_UINT_UINT_VAR): Remove.
5274 (BT_FN_UINT32_UINT32_VAR): New.
5275 (BT_FN_DOUBLE_VPTR): Remove.
5276 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5278 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5279 (_ITM_changeTransactionMode): Same.
5280 (_ITM_memmoveRtWt): Change return type to void.
5281 (_ITM_memcpyRtWt): Same.
5282 (_ITM_memsetW): Same.
5283 (_ITM_RaRD): Change types to double.
5288 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5290 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5291 Patrick Marlier <patrick.marlier@gmail.com>
5293 * trans-mem.c (requires_barrier): Do not instrument thread local
5294 variables and emit save/restore for them.
5296 2012-01-24 Jason Merrill <jason@redhat.com>
5299 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5300 output static aliases.
5302 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5305 * common.opt (-pie, -shared, pie, shared): Change from Common to
5307 * gcc.c (display_help): Display help for -pie and -shared.
5309 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5312 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5313 Remove note on size/offset limitation.
5314 (AVR Variable Attributes): Add example how to read data located
5315 with progmem. Refer to named address spaces.
5316 * doc/invoke.texi (AVR Options): Fix typo.
5318 2012-01-24 Richard Guenther <rguenther@suse.de>
5320 Forward-port to trunk
5321 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5324 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5325 op0 isn't sufficiently aligned and there is movmisalignM
5326 insn for mode, use it to load op0 into a temporary register.
5328 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5331 * target.def (const_not_ok_for_debug_p): New hook.
5332 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5334 * doc/tm.texi: Regenerated.
5335 * dwarf2out.c (const_ok_for_output_1): If
5336 targetm.const_not_ok_for_debug_p returns true, fail.
5337 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5339 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5341 2012-01-23 Kai Tietz <ktietz@redhat.com>
5344 * config/i386/predicates.md (symbolic_operand): Allow
5345 UNSPEC_PCREL as PIC expression for lea.
5346 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5347 * config/i386/i386.c (ix86_delegitimize_address): Handle
5348 UNSPEC_PCREL for none-MEM, too.
5350 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5352 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5353 (ipa_tm_create_version_alias): Same.
5355 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5358 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5359 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5361 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5362 Patrick Marlier <patrick.marlier@gmail.com>
5363 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5366 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5367 simple_object_start_read.
5369 2012-01-23 Richard Guenther <rguenther@suse.de>
5372 PR tree-optimization/51895
5373 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5374 parameter decomposition into BLKmode components.
5376 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5378 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5379 fake variables for restrict-qualified pointers whose pointed-to type
5380 contains a placeholder.
5382 2012-01-23 Richard Guenther <rguenther@suse.de>
5384 PR tree-optimization/51949
5385 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5387 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5389 PR rtl-optimization/51933
5390 * ree.c (transform_ifelse): Return true right away if dstreg is
5391 already wider or equal to cand->mode.
5392 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5393 (make_defs_and_copies_lists): Remove defs_list and copies_list
5394 arguments, add state argument, just truncate state->work_list
5395 instead of always allocating and freeing the vector. Assert that
5396 get_defs succeeds instead of returning 2. Changed return type to bool.
5397 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5398 have ext_src_mode, see if it has been modified already with the
5399 right kind of extension and has been extended before from the
5400 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5401 just return true. Remember the original mode in state->modified array.
5402 (combine_reaching_defs): Add state argument. Don't allocate and
5403 free here def_list, copied_list and vec vectors, instead just
5404 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5405 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5406 Add state variable, clear vectors in it, initialize state.modified
5407 if needed. Free all the vectors at the end and state.modified too.
5408 Don't skip a candidate if the extension expression has been modified.
5410 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5413 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5414 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5415 (extra_options) interix.opt -> i386/interix.opt"
5416 (extra_objs):Add winnt-stubs.o
5417 * configure.ac: Add interix to target_os .comm on PE check.
5418 * configure: Regenerate.
5419 * config/interix3.h: Delete and move bits to..
5420 * config/interix.h: Delete and move bits to..
5421 * config/i386/i386-interix3.h: Delete and move bits to..
5422 * config/i386/i386-interix.h: ..here.
5423 (TARGET_CPU_DEFAULT): Remove redefinition.
5424 (TARGET_ASM_CONSTRUCTOR): Undefine.
5425 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5426 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5427 (PTRDIFF_TYPE): Define.
5428 (LONG_DOUBLE_TYPE_SIZE): Define.
5429 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5430 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5431 (TARGET_SECTION_TYPE_FLAGS): Define.
5432 (ASM_DECLARE_FUNCTION_NAME): Define.
5433 (ASM_OUTPUT_EXTERNAL): Define.
5434 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5435 (ASM_OUTPUT_ALIGNED_BSS): Define.
5436 (PCC_BITFIELD_TYPE_MATTERS): Define.
5437 (USE_CONST_SECTION): Define.
5438 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5439 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5440 (SUPPORTS_ONE_ONLY): Remove.
5441 (I386_PE_STRIP_ENCODING): Define.
5442 * config/interix.opt: Delete and move bits to..
5443 * config/i386/interix.opt: ..here. New.
5444 (mpe-aligned-commons): Add.
5445 * config/i386/t-interix: Add copyright header.
5446 (winnt-stubs.o): Add rule.
5448 2012-01-22 Jason Merrill <jason@redhat.com>
5451 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5452 for extra name aliases.
5454 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5456 PR rtl-optimization/51924
5457 * ree.c (combine_set_extension): Improve debugging message.
5458 (combine_reaching_defs): Likewise.
5459 (get_defs): Rename confusingly named variable.
5460 (find_and_remove_re): Skip a candidate if the extension expression has
5463 2012-01-21 Robert Millan <rmh@gnu.org>
5464 Gerald Pfeifer <gerald@pfeifer.com>
5466 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5467 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5469 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5471 PR tree-optimization/51914
5472 * tree-vect-stmts.c (vectorizable_conversion): For
5473 cvt_type && modifier == WIDEN, put temporary with cvt_type
5474 at the beginning of vec_dsts and set vec_dest to temporary
5477 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5479 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5481 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5483 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5484 * config/rs6000/rs6000.c: Likewise.
5486 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5489 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5490 output_move_double on a copy of operands array.
5492 2012-01-20 Cary Coutant <ccoutant@google.com>
5493 Dodji Seketeli <dodji@redhat.com>
5496 * dwarf2out.c (copy_declaration_context): Return ref to parent
5497 of declaration DIE, if necessary.
5498 (remove_child_or_replace_with_skeleton): Add new parameter; update
5499 caller. Place skeleton DIE under parent DIE of original declaration.
5500 Move call to copy_declaration_context to here ...
5501 (break_out_comdat_types): ... from here.
5503 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5505 PR rtl-optimization/51856
5506 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5509 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5512 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5513 hints for neon loads and stores.
5515 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5519 * doc/extend.texi (Named Address Spaces): Split into subsections.
5520 (AVR Named Address Spaces): New subsection.
5521 (M32C Named Address Spaces): New subsection.
5522 (RL78 Named Address Spaces): New subsection.
5523 (SPU Named Address Spaces): New subsection.
5524 (Variable Attributes): New anchor "AVR Variable Attributes".
5525 (AVR Variable Attributes): Rewrite and avoid wording
5526 "address space" in this context.
5527 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5528 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5529 (AVR Built-in Macros): New subsubsection therein.
5530 * doc/md.texi (AVR constraints): Remove "C04", "R".
5532 2012-01-20 Richard Guenther <rguenther@suse.de>
5534 PR tree-optimization/51903
5535 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5536 when removing stmts.
5538 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5541 * config/arm/arm.c (arm_load_pic_register): Use
5542 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5543 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5544 (arm_pic_static_addr): Likewise.
5545 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5546 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5547 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5548 (pic_load_addr_unified): New.
5550 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5553 * function.c (instantiate_virtual_regs_in_insn): Use
5554 delete_insn_and_edges when removing a wrong asm insn.
5556 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5558 PR rtl-optimization/40761
5559 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5560 Add new member loop_num.
5561 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5562 (ira_build): Remove the parameter.
5564 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5565 (ira.c): Do not build CFG loops for one region allocation. Remove
5566 argument from ira_build call.
5568 * ira-build.c (init_loop_tree_node): New function.
5569 (create_loop_tree_nodes): Use it. Separate the case when CFG
5570 loops are not built.
5571 (more_one_region_p): Check current_loops.
5572 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5574 (add_loop_to_tree): Process loop equal to NULL too.
5575 (form_loop_tree): Separate the case when CFG loops are not built.
5576 Use explicitly number for the root.
5577 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5579 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5580 instead of loop->num.
5581 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5582 (mark_all_loops_for_removal): Ditto.
5583 (remove_unnecessary_regions): Separate the case when CFG loops
5585 (ira_build): Remove the parameter. Use explicit number of regions
5586 when CFG loops are not built.
5588 * ira-color.c (print_loop_title): Separate the case for the root node.
5589 Use loop_num instead of loop->num.
5590 (move_spill_restore): Use loop_num instead of loop->num.
5592 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5593 (change_loop): Ditto.
5594 (change_loop): Use loop_num instead of loop->num.
5596 * ira-lives.c (process_bb_node_lives): Ditto.
5598 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5600 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5602 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5605 * tree-mudflap.c (mf_artificial): New function.
5606 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5607 mx_register_decls, mudflap_enqueue_decl): Use it.
5610 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5611 numbers in the insn pattern.
5613 2012-01-19 Michael Matz <matz@suse.de>
5615 PR tree-optimization/46590
5616 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5617 use it in remembering which conflicts we already created.
5618 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5621 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5624 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5625 (merge_and_complain): Same.
5627 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5630 * config/initfini-array.h: Guard content of the header
5631 with #ifdef HAVE_INITFINI_ARRAY.
5632 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5633 Add initfini-array.h to tm_file here.
5634 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5635 * config.gcc: Don't add initfini-array.h to tm_file here.
5636 * configure: Regenerated.
5638 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5640 PR rtl-optimization/51505
5641 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5642 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5643 (df_note_bb_compute): Update the call to df_kill_notes.
5645 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5647 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5649 2012-01-18 Richard Guenther <rguenther@suse.de>
5651 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5652 of conversions to void *.
5654 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5655 Richard Sandiford <rdsandiford@googlemail.com>
5659 * optabs.h (simplify_expand_binop): Declare.
5660 * optabs.c (simplify_expand_binop): Make global.
5661 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5662 endian targets if the source cannot be exactly covered by word
5665 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5668 * hard-reg-set.h (struct hard_reg_set_container): New type.
5669 * target.h (struct hard_reg_set_container): Forward declare.
5670 * target.def (set_up_by_prologue): New target hook.
5671 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5672 * doc/tm.texi: Regenerated.
5673 * function.c (thread_prologue_and_epilogue_insns): Change
5674 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5675 Call targetm.set_up_by_prologue on it.
5676 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5677 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5679 2012-01-17 Nick Clifton <nickc@redhat.com>
5681 * config/rx/rx.c (rx_can_use_simple_return): New function.
5682 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5683 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5685 2012-01-17 Richard Guenther <rguenther@suse.de>
5688 * expr.c (expand_assignment): Take address-space information
5689 from the address operand of MEM_REF and TARGET_MEM_REF.
5690 (expand_expr_real_1): Likewise.
5692 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5694 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5695 reload dump is requested.
5697 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5700 * trans-mem.c (requires_barrier): Call may_be_aliased.
5702 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5704 PR tree-optimization/51877
5705 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5706 call arguments and fndecls compare equal, instead return false if they
5707 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5708 both SSA_NAMEs that are valueized the same, or they satisfy
5711 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5713 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5715 * configure: Regenerate.
5717 2012-01-16 Jan Hubicka <jh@suse.cz>
5721 * convert.c (convert_to_integer): Use fold_convert for
5722 converting an INTEGER_CST to integer type.
5724 2012-01-16 Jason Merrill <jason@redhat.com>
5727 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5729 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5732 * config/s390/s390.c (s390_chunkify_start): Don't skip
5733 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5734 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5735 If insn is followed by NOTE_INSN_VAR_LOCATION or
5736 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5737 Don't use location of note insns.
5739 PR tree-optimization/51865
5740 * tree-inline.c (tree_function_versioning): Call remap_decl
5741 on DECL_RESULT whenever it has VOID_TYPE_P type.
5743 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5745 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5746 for calls to locally-binding MIPS16 functions if only the return
5747 type uses float regs.
5749 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5750 Richard Sandiford <rdsandiford@googlemail.com>
5752 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5753 (SYMBOL_32_HIGH): Likewise.
5754 (mips_output_tls_reloc_directive): Declare.
5755 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5756 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5757 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5758 (mips_lo_relocs, mips_hi_relocs): Make extern.
5759 (mips16_stub_function): Move up file.
5760 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5761 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5762 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5763 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5764 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5765 (mips_get_tp): Add MIPS16 support.
5766 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5767 Generalize DTPREL and TPREL handling.
5768 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5769 Add MIPS16 TLS support.
5770 (mips_output_tls_reloc_directive): New function.
5771 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5772 * config/mips/predicates.md (symbolic_operand_with_high)
5773 (tls_reloc_operand): New predicates.
5774 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5775 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5776 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5777 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5778 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5779 (*tls_get_tp_mips16_call_<mode>): Likewise.
5781 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5783 PR rtl-optimization/51821
5784 * recog.c (peep2_find_free_register): Determine clobbered registers
5787 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5790 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5791 * config/avr/avr.c: Likewise.
5792 * config/avr/avr.h: Likewise.
5794 2012-01-13 Ian Lance Taylor <iant@google.com>
5797 * tree.h (TYPE_QUALS): Add cast to int.
5798 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5800 2012-01-13 Ian Lance Taylor <iant@google.com>
5802 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5803 comparing param_index to VEC_length result.
5805 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5807 * c-decl.c: Do not include tree-mudflap.h
5808 * tree-optimize.c: Likewise.
5809 * Makefile.in: Update dependencies.
5811 2012-01-13 Richard Guenther <rguenther@suse.de>
5814 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5815 variable-sized result always use RSO.
5817 2012-01-12 DJ Delorie <dj@redhat.com>
5819 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5820 pointer type, not just the default pointer type.
5822 2012-01-09 Richard Henderson <rth@redhat.com>
5823 Denis Chertykov <chertykov@gmail.com>
5826 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5827 * config/avr/avr.c (avr_can_eliminate): Simplify.
5828 (avr_initial_elimination_offset): Likewise.
5829 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5830 (expand_epilogue): Likewise.
5831 (avr_legitimize_address): Gut.
5832 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5833 (avr_hard_regno_nregs): New.
5834 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5835 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5836 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5837 add soft frame pointer.
5838 (CALL_USED_REGISTERS): Likewise.
5839 (REG_CLASS_CONTENTS): Likewise.
5840 (REGISTER_NAMES): Likewise.
5841 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5842 (HARD_FRAME_POINTER_REGNUM): New.
5843 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5844 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5845 remove the HARD_FRAME_POINTER self-elimination.
5847 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5850 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5851 DECL_EXTERNAL when checking for initializers of progmem variables.
5853 2012-01-12 Ira Rosen <irar@il.ibm.com>
5855 PR tree-optimization/51799
5856 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5857 that the last operation is a type demotion.
5859 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5861 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5862 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5864 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5867 * combine.c (distribute_notes): If i3 is a noreturn call,
5868 allow old_size to be equal to args_size and make sure the
5869 noreturn call gets REG_ARGS_SIZE note.
5870 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5871 on noreturn calls even when the delta is 0.
5873 2012-01-11 Nathan Sidwell <nathan@acm.org>
5875 * gcov.c (STRING_SIZE): Remove.
5876 (generate_results): Erase annotations for source files with no
5877 coverage information.
5879 (output_lines): Use it.
5881 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5883 * gimple.h (gimplify_body): Remove first argument.
5884 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5885 pointer set here, instead just pass DATA to walk_tree.
5886 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5887 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5888 (unvisit_body): Likewise, but with unmark_visited.
5889 (gimplify_body): Remove BODY_P argument and adjust.
5890 (gimplify_function_tree): Adjust call to gimplify_body.
5891 * omp-low.c (finalize_task_copyfn): Likewise.
5893 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5895 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5896 (build_function_type_skip_args): Delete.
5897 * tree.c (build_function_type_skip_args): Make static and add
5898 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5899 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5900 pass it to build_function_type_skip_args.
5901 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5902 (tree_function_versioning): Likewise.
5903 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5904 build_function_decl_skip_args.
5905 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5906 and pass it to build_function_decl_skip_args/tree_function_versioning.
5907 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5908 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5909 * trans-mem.c (ipa_tm_create_version): Likewise.
5910 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5911 * tree-inline.c (declare_return_variable): Remove always-true test.
5912 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5913 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5914 * ipa-split.c (split_function): Skip the return value for the split
5915 part if it doesn't return.
5917 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5919 PR tree-optimization/49642
5920 * ipa-split.c (forbidden_dominators): New variable.
5921 (check_forbidden_calls): New function.
5922 (dominated_by_forbidden): Likewise.
5923 (consider_split): Check for forbidden dominators.
5924 (execute_split_functions): Initialize and free forbidden
5925 dominators info; call check_forbidden_calls.
5927 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5929 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5931 2012-01-11 Nick Clifton <nickc@redhat.com>
5933 * config/rx/rx.md (return): Define pattern.
5935 2012-01-11 Richard Guenther <rguenther@suse.de>
5937 * doc/extend.texi (malloc attribute): Adjust according to
5940 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5941 Patrick Marlier <patrick.marlier@gmail.com>
5944 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5945 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5946 (ipa_tm_note_irrevocable): Same.
5947 (ipa_tm_scan_irr_block): Same.
5948 (ipa_tm_decrement_clone_counts): Same.
5949 (ipa_tm_scan_irr_function): Same.
5950 (ipa_tm_create_version_alias): Same.
5951 (ipa_tm_create_version): Same.
5952 (ipa_tm_transform_calls_redirect): Same.
5953 (ipa_tm_transform_calls): Same.
5954 (ipa_tm_transform_transaction): Same.
5955 (ipa_tm_execute): Same.
5957 2012-01-10 Richard Guenther <rguenther@suse.de>
5960 * opts.c (common_handle_option): Handle -Werror.
5962 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5964 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5967 2012-01-10 Jason Merrill <jason@redhat.com>
5969 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5972 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5974 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5975 supports R_386_TLS_GD_PLT reloc.
5976 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5977 supports R_386_TLS_LDM_PLT reloc.
5978 * configure: Regenerate.
5979 * config.in: Regenerate.
5981 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5984 Extend __pgmx semantics to linearize memory.
5985 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5986 determine if code comes inline or from libgcc.
5987 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5988 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5989 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5990 (movmemx_qi, movmemx_hi): New insns.
5991 (xload_<mode>_libgcc): Rewrite to new insn condition.
5992 (xload_<mode>): Remove insns.
5993 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5994 cases that don't satisfy avr_xload_libgcc_p().
5995 (avr_addr_space_convert): Allow converting in any direction.
5996 (avr_addr_space_subset_p): Return always true.
5997 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5998 (avr_emit_movmemhi): Ditto.
5999 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6000 (avr_out_movmem): Ditto.
6001 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6002 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6003 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6004 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6005 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6007 2012-01-10 Richard Guenther <rguenther@suse.de>
6009 PR tree-optimization/50913
6010 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6011 Require data-refs to be representable by Graphite with respect
6014 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6016 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6017 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6019 2012-01-10 Tom de Vries <tom@codesourcery.com>
6021 PR rtl-optimization/51271
6022 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6023 handling annulled branch.
6025 2012-01-10 Richard Henderson <rth@redhat.com>
6027 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6028 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6029 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6030 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6031 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6032 arm_expand_vec_perm_const): New.
6033 * config/arm/arm-protos.h: Update.
6034 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6035 (*neon_vswp<VDQX>): New.
6036 (neon_vcombine<VDX>): Use neon_split_vcombine.
6037 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6038 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6039 (vec_perm<VE>): New.
6041 2012-01-10 Richard Henderson <rth@redhat.com>
6043 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6044 use it if reload_completed.
6045 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6046 arm_output_asm_insn, arm_process_output_memory_barrier,
6047 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6048 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6049 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6050 arm_process_output_sync_insn, arm_output_sync_insn,
6051 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6052 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6053 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6054 (emit_unlikely_jump): New.
6055 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6056 (arm_split_atomic_op): New.
6057 * config/arm/arm-protos.h: Update.
6058 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6059 (struct arm_sync_generator): Remove.
6060 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6061 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6062 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6063 (VUNSPEC_LL, VUNSPEC_SC): New.
6064 (sync_result, sync_memory, sync_required_value, sync_new_value,
6065 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6066 (attr length): Don't use arm_sync_loop_insns.
6067 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6068 (movsfcc, movdfcc): Likewise.
6069 * config/arm/constraints.md (Ua): New.
6070 * config/arm/prediates.md (mem_noofs_operand): New.
6071 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6072 (sync_clobber, sync_t2_reqd): Remove.
6073 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6074 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6075 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6076 (arm_sync_compare_and_swap<SIDI>): Remove.
6077 (arm_sync_compare_and_swap<NARROW>): Remove.
6078 (arm_sync_lock_test_and_set<SIDI>): Remove.
6079 (arm_sync_lock_test_and_set<NARROW>): Remove.
6080 (arm_sync_new_<syncop><SIDI>): Remove.
6081 (arm_sync_new_<syncop><NARROW>): Remove.
6082 (arm_sync_new_nand<SIDI>): Remove.
6083 (arm_sync_new_nand<NARROW>): Remove.
6084 (arm_sync_old_<syncop><SIDI>): Remove.
6085 (arm_sync_old_<syncop><NARROW>): Remove.
6086 (arm_sync_old_nand<SIDI>): Remove.
6087 (arm_sync_old_nand<NARROW>): Remove.
6088 (*memory_barrier): Merge arm_output_memory_barrier.
6089 (atomic_compare_and_swap<QHSD>): New.
6090 (atomic_compare_and_swap<NARROW>_1): New.
6091 (atomic_compare_and_swap<SIDI>_1): New.
6092 (atomic_exchange<QHSD>): New.
6093 (cas_cmp_operand, cas_cmp_str): New.
6094 (atomic_op_operand, atomic_op_str): New.
6095 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6096 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6097 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6098 (arm_load_exclusive<NARROW>): New.
6099 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6100 (arm_store_exclusive<QHSD>): New.
6102 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6104 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6105 reload patterns if -mvsx-scalar-memory.
6107 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6108 generated, even -mno-vsx-scalar-double was used.
6109 (vsx_xscvdpsp_scalar): Likewise.
6110 (vsx_xscvspdp_scalar2): Likewise.
6112 2012-01-09 Tom de Vries <tom@codesourcery.com>
6113 Andrew Pinski <apinski@cavium.com>
6116 * reorg.c (fill_slots_from_thread): Don't speculate
6117 frame-related insns.
6119 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6121 * sched-int.h (bb_note): Move to...
6122 * basic-block.h: ...here.
6123 * haifa-sched.c (bb_note): Move to...
6124 * cfgrtl.c: ...here.
6125 * function.c (next_block_for_reg): New function.
6126 (move_insn_for_shrink_wrap): Likewise.
6127 (prepare_shrink_wrap): Rewrite to use the above.
6129 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6131 * gimple.c (is_gimple_non_addressable): Remove.
6132 * gimple.h: Remove is_gimple_non_addressable.
6133 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6134 is_gimple_non_addressable.
6135 * trans-mem.c (expand_assign_tm): Same.
6137 2012-01-09 Richard Guenther <rguenther@suse.de>
6139 PR tree-optimization/51775
6140 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6141 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6143 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6145 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6147 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6149 2012-01-09 Richard Guenther <rguenther@suse.de>
6151 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6153 2012-01-08 Jan Hubicka <jh@suse.cz>
6155 PR tree-optimize/51680
6156 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6157 on when known_vals needs to be computed; cleanup.
6159 2012-01-08 Jan Hubicka <jh@suse.cz>
6161 PR tree-optimize/51694
6162 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6164 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6166 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6167 for -std=c++98 and -std=c++11 too.
6169 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6171 * cfgloop.c (cancel_loop): Add free() of bbs array.
6173 2012-01-07 Jan Hubicka <jh@suse.cz>
6175 PR tree-optimization/51600
6176 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6177 that benefits small functions.
6179 2012-01-07 Jan Hubicka <jh@suse.cz>
6181 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6183 2012-01-07 Jan Hubicka <jh@suse.cz>
6185 PR tree-optimization/51680
6186 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6187 whose inlining reduce unit size.
6189 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6192 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6193 Add canonical node to containing_mem chain after the non-canonical
6194 one, even if there weren't any locs to propagate.
6195 (remove_useless_values): Keep only canonical values.
6196 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6197 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6198 canonicalize mem_chain elements that are not discarded.
6200 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6203 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6204 before emitting functions.
6206 PR gcov-profile/50127
6207 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6208 clear_aux_for_blocks.
6210 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6213 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6215 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6217 * c-decl.c (ext_block): Moved up.
6218 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6220 2012-01-06 Han Shen <shenhan@google.com>
6222 Translate built-in include paths for sysroot.
6223 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6224 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6226 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6227 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6229 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6230 control whether sysroot should be prepended to gxx include dir.
6232 * configure: Regenerate.
6234 2012-01-06 Torvald Riegel <triegel@redhat.com>
6236 PR rtl-optimization/51771
6237 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6238 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6240 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6242 PR tree-optimization/51315
6243 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6244 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6246 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6249 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6250 for shrp pattern. Correctly handle and fixup shift variable.
6251 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6253 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6256 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6257 note when !ACCUMULATE_OUTGOING_ARGS.
6259 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6261 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6263 (extract_range_from_unary_expr_1): Avoid useless computations.
6265 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6267 PR rtl-optimization/51767
6268 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6269 of jump_block and add an extra edge for degenerated asm gotos.
6272 * stmt.c (check_unique_operand_names): Don't ICE during error
6273 reporting if i is from labels chain.
6276 * profile.c (branch_prob): Split bbs that have exit edge
6277 and need a fake entry edge too.
6279 2012-01-05 Jan Hubicka <jh@suse.cz>
6282 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6285 2012-01-05 Richard Guenther <rguenther@suse.de>
6288 * tree-streamer-out.c (write_ts_optimization): New function.
6289 (streamer_write_tree_body): Call it.
6290 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6291 (streamer_read_tree_body): Call it.
6292 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6294 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6297 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6298 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6299 in_cleanup_point_expr before gimplify_stmt call and restore it
6301 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6302 in_cleanup_point_expr is false.
6304 2012-01-05 Richard Guenther <rguenther@suse.de>
6307 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6309 * toplev.c (process_options): Reject combining mudflap and LTO.
6310 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6312 2012-01-05 Richard Guenther <rguenther@suse.de>
6314 PR tree-optimization/51760
6315 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6317 (bit_value_unop): Handle UNDEFINED operands.
6318 (bit_value_binop): Likewise.
6320 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6322 * config/avr/avr.c (avr_replace_prefix): Remove.
6323 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6324 (avr_asm_function_rodata_section): Ditto.
6325 (avr_asm_select_section): Ditto.
6327 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6329 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6332 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6335 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6336 calls that have any non-fake successor edges.
6339 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6341 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6343 PR tree-optimization/51624
6344 * tree-sra.c (build_ref_for_model): When replicating a chain of
6345 COMPONENT_REFs, stop as soon as the offset would become negative.
6347 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6350 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6351 in .debug_loc on the floor.
6353 2012-01-04 Andrew Pinski <apinski@cavium.com>
6355 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6357 2012-01-04 Andrew Pinski <apinski@cavium.com>
6358 Adam Nemet <anemet@caviumnetworks.com>
6360 * config/mips/mips.md (size): Add SI and DI.
6361 (SIZE): New mode attribute.
6362 (U): New code attribute.
6363 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6364 (mips_lbux_<mode>): Delete.
6365 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6366 (mips_lhx): Use gen_mips_lhx_extsi.
6367 (mips_lhx_<mode>): Delete.
6369 (mips_l<size>x): New expand.
6370 (mips_lwx_<mode>): Delete.
6371 (mips_l<GPR:size>x_<P:mode>): New pattern.
6372 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6373 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6374 * config/mips/mips.c (mips_lx_address_p): New function.
6375 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6376 (dsp64): New availability predicate.
6377 (mips_builtins): Add an entry for __builtin_mips_ldx.
6378 * config/mips/mips.h (ISA_HAS_LBX): New define.
6379 (ISA_HAS_LBUX): Likewise.
6380 (ISA_HAS_LHX): Likewise.
6381 (ISA_HAS_LHUX): Likewise.
6382 (ISA_HAS_LWX): Likewise.
6383 (ISA_HAS_LWUX): Likewise.
6384 (ISA_HAS_LDX): Likewise.
6385 * doc/extend.texi (__builtin_mips_ldx): Document.
6387 2012-01-04 Tristan Gingold <gingold@adacore.com>
6389 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6390 when long pointers are used.
6391 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6392 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6393 (ia64-hp-*vms*): Remove.
6394 * config/vms/xm-vms64.h: Delete.
6396 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6399 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6401 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6403 * opts.c (finish_options): Remove duplicate sorry.
6405 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6408 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6411 2012-01-04 Richard Guenther <rguenther@suse.de>
6414 * tree.c (size_low_cst): New function.
6415 * tree.h (size_low_cst): Declare.
6416 * fold-const.c (fold_comparison): Use it to extract the low
6417 part of the POINTER_PLUS_EXPR offset.
6419 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6421 Fix clearing ZERO_REG
6422 * config/avr/avr.md (cc): Add alternative "ldi".
6423 (movqi_insn): Use it in cc attribute.
6424 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6425 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6426 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6428 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6430 * configure: Regenerate.
6432 2012-01-04 Richard Guenther <rguenther@suse.de>
6434 PR tree-optimization/49651
6435 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6436 (var_can_have_subvars): Use it.
6437 (get_constraint_for_1): Only consider subfields if there can be any.
6439 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6442 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6443 to its new canonical_cselib_val and the cselib_val was in
6444 first_containing_mem chain, but the canonical_cselib_val was not,
6445 add the latter into the chain.
6446 (cselib_invalidate_mem): Compare canonical_cselib_val of
6447 addr_list chain elt with v.
6450 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6451 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6453 (output_macinfo_op): Don't ggc_strdup fd->filename.
6454 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6455 then ggc_strdup it. Don't free inc->info or cur->info.
6456 (output_macinfo): Don't free ref->info or file->info.
6458 2012-01-03 Ira Rosen <irar@il.ibm.com>
6460 PR tree-optimization/51269
6461 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6462 first_niters a pointer.
6463 (slpeel_tree_peel_loop_to_edge): Likewise.
6464 (vect_do_peeling_for_loop_bound): Update call to
6465 slpeel_tree_peel_loop_to_edge.
6466 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6467 here. Remove it from the parameters list.
6468 (vect_do_peeling_for_alignment): Update calls and compute
6471 2012-01-03 Richard Guenther <rguenther@suse.de>
6473 PR tree-optimization/51070
6474 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6475 Properly handle calls.
6477 2012-01-03 Richard Guenther <rguenther@suse.de>
6479 PR tree-optimization/51692
6480 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6481 the LHS of allocation stmts.
6483 2012-01-03 Olivier Hainque <hainque@adacore.com>
6485 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6487 2012-01-03 Olivier Hainque <hainque@adacore.com>
6489 * collect2.c (main): In AIX specific computations for vector
6490 insertions, use CONST_CAST2 to cast from char ** to const char **.
6492 2012-01-03 Richard Guenther <rguenther@suse.de>
6495 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6496 the context of a limbo DIE when it does not already exist.
6498 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6500 PR tree-optimization/51719
6501 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6502 but direct call is, clear direct call's lhs and don't add fallthrough
6503 edge from dcall_bb to join_bb and PHIs.
6505 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6507 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6508 the instructions emitted by the pattern.
6509 ("*TDC_insn_<mode>"): Add comment.
6511 2012-01-03 Richard Guenther <rguenther@suse.de>
6514 * fold-const.c (fold_comparison): Properly canonicalize
6515 tree offset and HOST_WIDE_INT bit position.
6517 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6519 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6520 operands for extzv pattern.
6522 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6525 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6528 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6530 * doc/invoke.texi (-flto and related options): Copy-edit.
6532 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6534 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6536 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6538 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6541 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6543 * expr.h (move_by_pieces_ninsns): Declare.
6544 * expr.c (move_by_pieces_ninsns): Make external.
6545 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6546 (mips_store_by_pieces_p): Likewise.
6547 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6548 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6549 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6550 (mips_store_by_pieces_p): Likewise.
6552 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6554 * passes.c (register_one_dump_file): Free full_name.
6556 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6557 (calculate_elim_costs_all_insns): Free offsets_at and
6558 offsets_known_at at the end and clear the pointers.
6560 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6562 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6563 this option introduced in r180739.
6565 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6568 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6569 (tmake_file target=avr): Add avr/t-multilib.
6571 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6572 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6573 * config/avr/genmultilib.awk: New file.
6574 * config/avr/t-multilib: New auto-generated file.
6575 * config/avr/multilib.h: New auto-generated file.
6576 * config/avr/t-avr (AVR_MCUS): New variable.
6577 (genopt.sh): Use it.
6578 (s-mlib): Depend on t-multilib.
6579 (t-multilib, multilib.h): New dependencies.
6580 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6581 (MULTILIB_OPTIONS): Remove.
6582 (MULTILIB_MATCHES): Remove.
6583 (MULTILIB_DIRNAMES): Remove.
6584 (MULTILIB_EXCEPTIONS): Remove:
6585 * config/avr/genopt.sh: Don't use hard coded file name;
6586 pass AVR_MCUS from t-avr instead.
6588 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6590 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6592 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6594 Implement light-weight DImode support.
6595 * config/avr/avr-dimode.md: New file.
6596 * config/avr/avr.md: Include it.
6597 (adjust_len): Add plus64, compare64.
6598 (HIDI): Remove code iterator.
6599 (code_stdname): New code attribute.
6600 (rotx, rotsmode): Remove DI.
6601 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6603 * config/avr/avr-protos.h (avr_have_dimode): New.
6604 (avr_out_plus64, avr_out_compare64): New.
6605 * config/avr/avr.c (avr_out_compare): Handle DImode.
6606 (avr_have_dimode): New variable definition and initialization.
6607 (avr_out_compare64, avr_out_plus64): New functions.
6608 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6609 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6610 (avr_compare_pattern): Skip DImode comparisons.
6612 2012-01-02 Revital Eres <revital.eres@linaro.org>
6614 * ddg.c (def_has_ccmode_p): New function.
6615 (add_cross_iteration_register_deps,
6616 create_ddg_dep_from_intra_loop_link): Call it.
6618 2012-01-02 Richard Guenther <rguenther@suse.de>
6621 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6623 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6625 * gcc.c (process_command): Update copyright notice dates.
6626 * gcov.c (print_version): Likewise.
6627 * gcov-dump.c (print_version): Likewise.
6628 * mips-tfile.c (main): Likewise.
6629 * mips-tdump.c (main): Likewise.
6631 2012-01-01 Ira Rosen <irar@il.ibm.com>
6633 PR tree-optimization/51704
6634 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6635 a use is inside the basic block or loop before accessing its vect info.
6637 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6639 PR rtl-optimization/51069
6640 * cfgloopmanip.c (remove_path): Removing path making irreducible
6641 region unconditional makes BB part of the region.
6643 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6645 PR tree-optimization/51683
6646 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6647 calls with side-effects.
6648 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6650 Copyright (C) 2012 Free Software Foundation, Inc.
6652 Copying and distribution of this file, with or without modification,
6653 are permitted in any medium without royalty provided the copyright
6654 notice and this notice are preserved.