1 2012-12-06 Jason Merrill <jason@redhat.com>
4 * tree.c (build_array_type_1): Re-layout if we found it in the
7 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
10 opaque cond in all call insns.
12 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
14 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
15 area if the function allocates dynamic stack space.
16 (ia64_initial_elimination_offset): Adjust offsets to above change.
18 2012-12-03 Richard Biener <rguenther@suse.de>
20 Backport from mainline
21 2012-09-24 Richard Guenther <rguenther@suse.de>
23 PR tree-optimization/53663
24 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
25 native encode/interpret translation on VN_WALKREWRITE.
27 2012-12-03 Kai Tietz <ktietz@redhat.com>
30 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
33 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
36 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
38 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
40 Backport from mainline:
41 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
44 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
45 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
46 (in_nullified_branch_delay): Likewise.
47 (in_call_delay): Likewise.
48 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
49 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
50 the $$sh_func_adrs call as variable. Update type of sibcalls and
52 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
53 length instead of adjustment. Handle negative and undefined call
54 adjustments for insn_default_length. Remove adjustment for millicode
55 insn with unfilled delay slot.
56 (pa_output_millicode_call): Update for revised millicode length.
57 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
59 2012-11-29 Kai Tietz <ktietz@redhat.com>
62 * prefix.c (lookup_key): Replace xmalloc/xrealloc
63 use by XNEWVEC/XRESIZEVEC.
65 * i386.c (get_scratch_register_on_entry): Handle
67 (split_stack_prologue_scratch_regno): Likewise.
68 (ix86_static_chain): Likewise.
69 (x86_output_mi_thunk): Likewise.
71 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
73 Backported from mainline
74 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
75 Markus Trippelsdorf <markus@trippelsdorf.de>
78 * lto-opts.c (lto_write_options): Also handle
79 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
80 OPT_SPECIAL_program_name.
83 * lto-wrapper.c (merge_and_complain): Handle
84 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
85 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
87 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
89 PR rtl-optimization/55489
90 * gcse.c (compute_transp): Precompute a canonical version
91 of XEXP (x, 0), and pass it to canon_true_dependence.
93 2012-11-27 Richard Biener <rguenther@suse.de>
96 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
97 stmt with a NOP instead of removing it.
99 2012-11-26 Richard Biener <rguenther@suse.de>
101 Backport from mainline
102 2012-10-19 Richard Biener <rguenther@suse.de>
104 PR tree-optimization/54976
105 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
106 Robustify against odd inner_mode inputs.
108 2012-10-12 Richard Biener <rguenther@suse.de>
110 PR tree-optimization/54894
111 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
112 Handle over-aligned scalar types properly.
114 2012-10-02 Richard Guenther <rguenther@suse.de>
117 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
120 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
122 Backport from mainline
123 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
125 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
126 explaining the register ordering preferences.
128 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
129 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
130 constraints so that the traditional floating point loads, stores,
131 and moves are done first, then the VSX loads, stores, and moves,
132 and finally the GPR loads, stores, and moves so that reload
133 chooses FPRs over GPRs, and uses the traditional load/store
134 instructions which provide an offset.
135 (movdf_hardfloat64): Likewise.
137 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
139 Backported from mainline
140 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
141 H.J. Lu <hongjiu.lu@intel.com>
144 * config/i386/i386.c (legitimize_pic_address): Properly handle
146 (ix86_print_operand_address): Set code to 'k' when forcing
147 addr32 prefix. For x32, zero-extend negative displacement if
150 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
152 * common.opt (fvar-tracking-uninit): Document.
153 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
154 * config/darwin.c (darwin_override_options): Likewise.
156 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
158 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
159 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
161 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
163 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
165 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
167 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
170 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
172 Backport from mainline
173 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
175 * config/i386/i386.c (ix86_init_machine_status): Do not
176 explicitly clear tls_descriptor_call_expanded_p again.
178 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
181 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
182 as read and written by the instruction.
184 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
186 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
187 (ix86_instantiate_decls): New function.
188 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
189 stack slot instead of SLOT_VIRTUAL.
190 <case IX86_BUILTIN_STMXCSR>: Ditto.
191 (assign_386_stack_local): Do not assert when virtual slot is valid.
192 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
193 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
194 (truncxf<mode>2): Ditto.
195 (floatunssi<mode>2): Ditto.
196 (isinf<mode>2): Ditto.
197 * config/i386/sync.md (atomic_load<mode>): Ditto.
198 (atomic_store<mode>): Ditto.
200 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
203 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
204 the argument is itself a conditional expression.
206 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
208 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
211 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
213 PR tree-optimization/54986
214 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
215 conversions on entry but add them back on exit if needed.
217 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
220 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
222 (print_reg): Use true_regnum rather than REGNO.
223 (ix86_print_operand_address): Remove SUBREG handling.
225 2012-11-05 Jakub Jelinek <jakub@redhat.com>
227 Backported from mainline
228 2012-10-24 Jakub Jelinek <jakub@redhat.com>
231 * gimple.h (is_gimple_sizepos): New inline function.
232 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
233 final assignment to expr variable.
234 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
235 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
236 into a local temporary.
238 2012-10-10 Jakub Jelinek <jakub@redhat.com>
240 PR tree-optimization/54877
241 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
242 use make_ssa_name instead of copy_ssa_name.
244 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
246 Backport from mainline
247 2012-10-31 Jakub Jelinek <jakub@redhat.com>
249 PR tree-optimization/53708
250 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
251 user-supplied alignment when used with an explicit section name.
253 2012-11-02 Jeff Law <law@redhat.com>
255 PR tree-optimization/54985
256 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
257 from thread_across_edge.
258 (thread_across_edge): Use it in all cases where we might thread
261 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
263 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
264 special register pushes before frame probing and allocation.
266 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
267 Joel Sherrill <joel.sherrill@oarcorp.com>
269 * config/sparc/t-rtems: New (Custom multilibs).
270 * config/sparc/t-rtems-64: New (Custom multilibs).
271 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
272 (sparc-*-rtems*): Add sparc/t-rtems.
274 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
276 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
278 (hash_rtx): Likewise.
280 2012-10-29 Terry Guo <terry.guo@arm.com>
282 Backport from mainline
283 2012-10-11 Terry Guo <terry.guo@arm.com>
285 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
287 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
290 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
292 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
293 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
295 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
297 * config/avr/t-rtems: Revert previous commit.
299 2012-10-26 Terry Guo <terry.guo@arm.com>
301 Backport from mainline
302 2012-10-23 Terry Guo <terry.guo@arm.com>
305 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
308 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
310 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
312 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
314 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
316 * config.gcc (microblaze*-*-rtems*): New target.
317 * config/microblaze/rtems.h: New.
318 * config/microblaze/t-rtems: New.
320 2012-10-25 Richard Biener <rguenther@suse.de>
322 PR tree-optimization/54902
323 * tree-ssa-pre.c (fini_pre): Return TODO.
324 (execute_pre): Adjust.
325 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
326 blocks before computing dominators.
328 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
330 Backport from mainline
331 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
333 * config/i386/i386.c (memory_address_length): Assert that non-null
334 base or index RTXes are registers. Do not check for REG RTXes.
335 Determine addr32 prefix using SImode_address_operand or
336 from original base and index RTXes. Simplify code.
338 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
340 * config/i386/i386-protos.h (memory_address_length): Add new bool
341 argument. Update all uses.
342 * config/i386/i386.c (memory_address_length): If not LEA insn, then
343 add length of addr32 prefix based on mode of base or index register.
344 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
345 addresses here. Update call to memory_address_length.
346 (ix86_print_address_operand): Use SImode_address_operand predicate.
347 * config/i386/predicates.md (SImode_address_operand): New.
348 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
349 to calculate "mode" attribute. Use SImode_address_operand predicate
350 instead of open-coding accepted RTX codes.
352 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
354 Backport from 2012-10-22 trunk r192685.
355 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
356 Note __AVR_<device>__ is not defined for cores.
357 Don't point to --help=target.
358 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
360 2012-10-19 Marek Polacek <polacek@redhat.com>
362 Backported from mainline
363 2012-10-19 Marek Polacek <polacek@redhat.com>
366 * fold-const.c (fold_sign_changed_comparison): Punt if folding
367 pointer/non-pointer comparison.
369 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
371 Backported from mainline
372 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
375 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
376 sure the mode is correct when falling through from above cases.
378 2012-10-19 Alan Modra <amodra@gmail.com>
380 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
381 (HAVE_LD_LARGE_TOC): Likewise.
382 * configure: Regenerate.
384 2012-10-19 Alan Modra <amodra@gmail.com>
386 * config/rs6000/predicates.md (splat_input_operand): Don't call
387 input_operand for MEMs. Instead check for volatile and call
388 memory_address_addr_space_p with modified mode.
390 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
392 Backported from mainline
393 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
395 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
397 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
399 PR rtl-optimization/54870
400 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
401 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
402 SSA_NAME pointer that points to a partition if there is at least
403 one variable with it set in the partition.
404 * dse.c (local_variable_can_escape): New predicate.
405 (can_escape): Call it.
406 * gimplify.c (mark_addressable): If this is a partitioned decl, also
407 mark the SSA_NAME pointer that points to a partition.
409 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
411 Backport from mainline
412 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
414 PR rtl-optimization/53701
415 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
416 rocess not only expr's vinsns but all old vinsns from expr's
419 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
421 Backport from mainline
422 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
425 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
427 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
428 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
429 only if producer writes to the register given by regno.
431 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
433 Backport from mainline
434 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
436 * config/i386/sse.md (UNSPEC_MOVU): Remove.
438 (UNSPEC_STOREU): Ditto.
439 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
440 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
441 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
442 (<sse2>_movdqu<avxsizesuffix>): Split to ...
443 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
444 (<sse2>_storedqu<avxsizesuffix>): ... this.
445 (*sse4_2_pcmpestr_unaligned): Update.
446 (*sse4_2_pcmpistr_unaligned): Ditto.
448 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
449 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
450 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
451 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
452 gen_sse2_load{dqu,upd} to load from unaligned memory and
453 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
455 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
456 Use CODE_FOR_sse_loadups.
457 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
458 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
459 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
460 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
461 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
462 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
463 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
464 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
465 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
466 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
467 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
469 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
471 Backport from trunk (r190222):
473 PR tree-optimization/54146
474 * ifcvt.c: Include pointer-set.h.
475 (cond_move_process_if_block): Change type of then_regs and
476 else_regs from alloca'd array to pointer_sets.
477 (check_cond_move_block): Update for this change.
478 (cond_move_convert_if_block): Likewise.
479 * Makefile.in: Fix dependencies for ifcvt.o.
481 2012-10-15 Richard Guenther <rguenther@suse.de>
483 PR tree-optimization/54920
484 * tree-ssa-pre.c (create_expression_by_pieces): Properly
485 allocate temporary storage for all NARY elements.
487 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
490 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
492 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
494 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
495 default_use_cxa_atexit to yes.
497 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
499 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
501 2012-10-05 Jan Hubicka <jh@suse.cz>
502 Jakub Jelinek <jakub@redhat.com>
504 PR tree-optimization/33763
505 * tree-inline.c (expand_call_inline): Silently ignore always_inline
506 attribute for redefined extern inline functions.
508 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
510 Backported from mainline
511 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
513 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
514 in SSE and YMM state support check for -march=native.
516 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
519 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
522 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
524 Backported from mainline
525 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
528 * doc/invoke.texi: Document -mprefer-avx128.
530 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
532 Backported from mainline
533 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
536 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
537 (XSTATE_FP): Likewise.
538 (XSTATE_SSE): Likewise.
539 (XSTATE_YMM): Likewise.
540 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
541 SSE and YMM states aren't supported.
543 2012-10-01 Tom de Vries <tom@codesourcery.com>
545 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
548 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
551 * config/s390/s390.c (s390_option_override): Add missing break.
553 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
555 Backport from mainline
556 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
558 * config.gcc: Replace 'host' with 'target' when configuring for
559 powerpc64*-*-freebsd.
561 2012-09-28 Meador Inge <meadori@codesourcery.com>
563 Backport from mainline
564 2012-09-27 Meador Inge <meadori@codesourcery.com>
566 * gcc-ar.c (main): Handle the returning of the sub-process error
569 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
571 Backport from 2012-09-28 trunk r191821.
572 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
574 2012-09-27 Jakub Jelinek <jakub@redhat.com>
577 * simplify-rtx.c (simplify_binary_operation_1): Perform
578 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
580 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
582 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
583 TYPE_NONALIASED_COMPONENT flag.
584 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
585 TYPE_NONALIASED_COMPONENT flag.
587 2012-09-21 Richard Guenther <rguenther@suse.de>
590 Backport from mainline
591 2012-04-19 Richard Guenther <rguenther@suse.de>
593 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
596 2012-09-20 Joseph Myers <joseph@codesourcery.com>
599 * c-typeck.c (c_cast_expr): When casting to a type requiring
600 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
603 2012-09-20 Joseph Myers <joseph@codesourcery.com>
606 * c-typeck.c (build_unary_op): Pass original argument of
607 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
608 any C_MAYBE_CONST_EXPR, if it has integer operands.
609 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
610 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
611 to c_objc_common_truthvalue_conversion, then remove any
612 C_MAYBE_CONST_EXPR, if they have integer operands. Use
613 c_objc_common_truthvalue_conversion not
614 c_common_truthvalue_conversion.
615 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
616 call note_integer_operands for arguments with integer operands
617 that are not integer constants.
619 2012-09-20 Jakub Jelinek <jakub@redhat.com>
621 Backported from mainline
622 2012-09-17 Jakub Jelinek <jakub@redhat.com>
624 PR tree-optimization/54563
625 * tree-ssa-math-opts.c (execute_cse_sincos): Call
626 gimple_purge_dead_eh_edges if last call has been changed.
628 2012-09-14 Jakub Jelinek <jakub@redhat.com>
631 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
632 instead of (match_dup 0) as second argument to vec_merge.
633 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
634 Remove third alternative.
635 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
636 operand 2 instead of operand 1, but put it as first argument
638 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
639 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
642 2012-09-20 Jakub Jelinek <jakub@redhat.com>
644 * BASE-VER: Set to 4.7.3.
645 * DEV-PHASE: Set to prerelease.
647 2012-09-20 Release Manager
649 * GCC 4.7.2 released.
651 2012-09-15 Andi Kleen <ak@linux.intel.com>
653 Backport from mainline
654 2012-09-07 Andi Kleen <ak@linux.intel.com>
656 * gcc/lto-streamer.h (res_pair): Add.
657 (lto_file_decl_data): Replace resolutions with respairs.
659 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
661 (lto_file_finalize): Set up resolutions vector lazily from respairs.
663 2012-09-14 Walter Lee <walt@tilera.com>
665 Backport from mainline.
666 2012-09-14 Walter Lee <walt@tilera.com>
668 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
669 option for TILEPro and TILE-Gx.
671 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
673 * config/i386/i386.h (x86_prefetchw): New global variable.
674 (TARGET_PREFETCHW): New macro.
675 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
676 (processor_alias_table): Add PTA_PREFETCHW to
677 bdver1, bdver2 and btver1.
678 (ix86_option_override_internal): Set x86_prefetchw for
679 PTA_PREFETCHW targets.
680 * config/i386/i386.md (prefetch): Expand to prefetchw
681 for TARGET_PREFETCHW.
682 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
684 Backport from mainline
685 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
687 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
688 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
690 (*prefetch_sse): ... this.
691 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
693 (*prefetch_3dnow): ... this.
695 2012-09-13 Jakub Jelinek <jakub@redhat.com>
698 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
699 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
701 2012-09-12 Teresa Johnson <tejohnson@google.com>
703 Backport from mainline.
704 2012-09-12 Teresa Johnson <tejohnson@google.com>
706 PR gcov-profile/54487
707 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
708 test using F_SETLKW with fcntl.
709 * configure, config.in: Regenerate.
711 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
713 Backport from mainline
714 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
716 * config/i386/i386.md : Comments on fma4 instruction selection
717 reflect requirement on register pressure based cost model.
719 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
720 flag is set-reset as informed by the cpuid flag.
722 * config/i386/i386.c (processor_alias_table): fma4
723 flag is enabled for bdver2.
725 2012-09-12 Christian Bruel <christian.bruel@st.com>
727 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
729 2012-09-12 Jakub Jelinek <jakub@redhat.com>
731 * config.gcc: Obsolete picochip-*.
733 2012-09-11 Richard Guenther <rguenther@suse.de>
736 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
737 on flag_toplevel_reorder.
739 2012-09-10 Richard Henderson <rth@redhat.com>
741 * config/alpha/predicates.md (small_symbolic_operand): Disallow
744 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
746 Backport from 2012-09-10 mainline r191132.
749 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
751 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
754 * tree-sra.c (disqualify_base_of_expr): Check for possible
755 NULL_TREE returned by get_base_address()
757 2012-09-07 Richard Guenther <rguenther@suse.de>
759 Backport from mainline
760 2012-06-26 Jan Hubicka <jh@suse.cz>
763 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
766 2012-09-07 Richard Guenther <rguenther@suse.de>
768 Backport from mainline
769 2012-07-13 Richard Guenther <rguenther@suse.de>
771 PR tree-optimization/53922
772 * tree-vrp.c (value_inside_range): Change prototype to take
773 min/max instead of value-range.
774 (range_includes_zero_p): Likewise. Return the result from
776 (extract_range_from_binary_expr_1): Adjust to handle dont-know
777 return value from range_includes_zero_p.
778 (extract_range_from_unary_expr_1): Likewise.
779 (compare_range_with_value): Likewise.
780 (vrp_meet_1): Likewise.
782 2012-09-07 Richard Guenther <rguenther@suse.de>
785 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
786 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
787 arguments separately.
789 2012-09-07 Jakub Jelinek <jakub@redhat.com>
791 Backported from mainline
792 2012-09-06 Jakub Jelinek <jakub@redhat.com>
794 PR rtl-optimization/54455
795 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
796 bb ends up with asm goto referencing bb's label.
798 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
800 Backport from mainline.
801 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
802 Richard Earnshaw <richard.earnshaw@arm.com>
805 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
806 element size. Use elem_type from the formal parameter. New parameter
808 (neon_expand_args): Adjust call to neon_dereference_pointer.
810 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
812 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
813 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
815 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
817 Backport from mainline
818 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
820 * config/i386/i386.md (isa): Add fma and fma4.
821 (enabled): Handle fma and fma4.
822 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
823 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
824 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
825 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
826 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
827 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
829 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
831 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
832 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
833 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
835 2012-09-06 Richard Guenther <rguenther@suse.de>
837 PR tree-optimization/54498
838 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
839 abort when reaching an already visited region.
840 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
841 (get_continuation_for_phi_1): Likewise.
842 (walk_non_aliased_vuses): When we translated the reference,
843 abort when we re-visit a region.
844 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
846 2012-09-06 Andrew Pinski <apinski@cavium.com>
849 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
851 2012-09-05 Jakub Jelinek <jakub@redhat.com>
854 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
855 build_int_cst with size_type_node instead of size_int.
857 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
859 Backport from 2012-09-05 mainline r190697.
862 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
863 configured --with-avrlibc.
864 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
866 * config/avr/avrlibc.h: New file.
867 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
868 configured --with-avrlibc.
869 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
871 2012-09-05 Bin Cheng <bin.cheng@arm.com>
873 Backport from 2012-09-04 mainline r190919
876 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
877 of size less than 4 bytes by using macro ARM_NUM_INTS.
878 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
880 2012-09-04 Richard Henderson <rth@redhat.com>
882 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
884 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
886 Backport from 2012-09-04 mainline r190920
889 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
891 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
893 Backport from 2012-09-04 mainline r190914
896 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
898 (avr_allocate_stack_slots_for_args): ...this new static function.
900 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
902 Backported from mainline
903 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
906 * doc/invoke.texi: Add -da and remove -dm.
908 2012-09-03 Jakub Jelinek <jakub@redhat.com>
910 Backported from mainline
911 2012-09-01 Jakub Jelinek <jakub@redhat.com>
914 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
915 operands[1] is CONST_INT_P, convert it to QImode before printing.
917 2012-08-31 Jakub Jelinek <jakub@redhat.com>
920 * c-convert.c (convert): Don't call fold_convert_loc if
921 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
922 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
923 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
925 2012-08-24 Jakub Jelinek <jakub@redhat.com>
928 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
929 if init is a CONSTRUCTOR.
931 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
933 PR rtl-optimization/54369
934 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
935 calling dbr_schedule.
936 * config/sparc/sparc.c (sparc_reorg): Likewise.
938 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
940 Backport from mainline
941 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
943 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
944 case for Atom processor.
946 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
948 Backport from mainline
949 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
952 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
953 true for TARGET_64BIT or !flag_pic.
954 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
955 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
956 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
957 Add insn constraint. Conditionally emit xchg asm insns.
958 (atomic_compare_and_swap<mode>): Update calls. Check only
959 cmpxchg8b_pic_memory_operand in memory address fixup.
961 (CASHMODE): Rename from DCASHMODE.
962 (doublemodesuffix): Update modes.
963 (regprefix): New mode attribute.
965 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
966 <UNSPECV_CMPXCHG>: New constant.
967 (atomic_compare_and_swap<mode>_1): Rename from
968 atomic_compare_and_swap_single<mode>. Update calls and
969 unspec_volatile constants.
970 (atomic_compare_and_swap<mode>_doubleword): Rename from
971 atomic_compare_and_swap_double<mode>. Update calls and
972 unspec_volatile constants.
974 2012-08-28 Walter Lee <walt@tilera.com>
976 Backport from mainline
977 2012-08-28 Walter Lee <walt@tilera.com>
979 * confg/tilegx/tilegx.md: Fix code style.
980 (*zero_extendsidi_truncdisi): Fix typo.
981 * config/tilegx/tilegx.c: Fix code style.
982 (tilegx_function_profiler): Fix typo.
984 2012-08-27 Walter Lee <walt@tilera.com>
986 Backport from mainline
987 2012-08-27 Walter Lee <walt@tilera.com>
989 * doc/md.texi (TILE-Gx): Fix typo.
991 2012-08-27 Walter Lee <walt@tilera.com>
993 Backport from mainline
994 2012-08-27 Walter Lee <walt@tilera.com>
996 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
997 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
999 2012-08-27 Walter Lee <walt@tilera.com>
1001 Backport from mainline
1002 2012-08-27 Walter Lee <walt@tilera.com>
1004 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
1005 (insn_bfins): Delete.
1007 2012-08-27 Walter Lee <walt@tilera.com>
1009 Backport from mainline
1010 2012-08-27 Walter Lee <walt@tilera.com>
1012 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
1013 atomic_exchange_bare<mode>,
1014 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
1015 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
1016 * config/tilegx/tilegx.md (type): Add X1_remove.
1017 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
1018 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
1019 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
1022 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
1024 PR rtl-optimization/54088
1025 * jump.c (delete_related_insns): Robustify latest change.
1027 2012-08-21 Richard Guenther <rguenther@suse.de>
1029 Backport from mainline
1030 2012-08-16 Richard Guenther <rguenther@suse.de>
1033 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
1035 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
1036 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
1037 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
1038 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
1039 (tree_ssa_lim_finalize): Free all mem_refs.
1040 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
1041 scc when bailing out.
1042 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
1043 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
1044 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
1045 FOR_EACH_LOOP_BREAK.
1047 2012-08-17 Richard Guenther <rguenther@suse.de>
1049 * tree-sra.c (modify_function): Free redirect_callers vector.
1050 * ipa-split.c (split_function): Free args_to_pass vector.
1051 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
1053 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
1054 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
1055 (vect_analyze_slp_instance): Free everything.
1056 (destroy_bb_vec_info): Free the SLP instances.
1058 2012-08-17 Richard Guenther <rguenther@suse.de>
1060 * params.def (integer-share-limit): Decrease from 256 to 251,
1063 2012-08-21 Richard Guenther <rguenther@suse.de>
1065 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
1066 the affine expansion cache.
1068 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1070 Backported from trunk
1071 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1074 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
1076 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1078 Backport from mainline.
1079 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1082 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
1083 mark as predicable. Adjust asm template.
1084 (vec_setv2di_internal): Likewise.
1085 (vec_extract<mode> VD, VQ): Likewise.
1086 (vec_extractv2di): Likewise.
1087 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
1088 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
1089 (neon_vdup_n<mode> VX, V32): Likewise.
1090 (neon_vdup_nv2di): Likewise.
1092 2012-08-17 Walter Lee <walt@tilera.com>
1094 Backport from mainline
1095 2012-08-17 Walter Lee <walt@tilera.com>
1097 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
1098 (FEEDBACK_ENTER): Define.
1099 (FEEDBACK_REENTER): Define.
1100 (FEEDBACK_ENTRY): Define.
1101 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
1102 (FEEDBACK_ENTER): Define.
1103 (FEEDBACK_REENTER): Define.
1104 (FEEDBACK_ENTRY): Define.
1106 2012-08-16 Walter Lee <walt@tilera.com>
1108 Backport from mainline
1109 2012-08-16 Walter Lee <walt@tilera.com>
1111 * config.gcc (tilegx-*-linux*): Add feedback.h.
1112 (tilepro-*-linux*): Likewise.
1113 * config/tilegx/feedback.h: New file.
1114 * config/tilepro/feedback.h: New file.
1116 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
1118 Backport from mainline r189840 and r187586:
1119 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
1121 * config/i386/i386.md (stack_protect_set): Disable the pattern
1122 for Android since Android libc (bionic) does not provide random
1123 value for stack protection guard at gs:0x14. Guard value
1124 will be provided from external symbol (default implementation).
1125 (stack_protect_set_<mode>): Likewise.
1126 (stack_protect_test): Likewise.
1127 (stack_protect_test_<mode>): Likewise.
1128 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
1129 not have Bionic by default
1130 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
1131 Macro OPTION_BIONIC is defined in this file and provides Bionic
1132 accessibility status
1134 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
1136 * configure.ac: Stack protector enabling for Android targets.
1137 * configure: Regenerate.
1139 2012-08-13 Jakub Jelinek <jakub@redhat.com>
1141 Backported from trunk
1142 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1144 PR rtl-optimization/53942
1145 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
1146 directly from likely spilled non-fixed hard registers, move them
1149 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1151 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
1152 (xop_phaddubq): Ditto.
1154 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1156 Backport from mainline
1157 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
1158 Richard Earnshaw <rearnsha@arm.com>
1160 * target.def (vector_alignment): New target hook.
1161 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
1162 * doc/tm.texi: Regenerate.
1163 * targhooks.c (default_vector_alignment): New function.
1164 * targhooks.h (default_vector_alignment): Add prototype.
1165 * stor-layout.c (layout_type): Use targetm.vector_alignment.
1166 * config/arm/arm.c (arm_vector_alignment): New function.
1167 (TARGET_VECTOR_ALIGNMENT): Define.
1169 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
1170 vector type alignment instead of size.
1171 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
1172 element type size directly instead of computing it from alignment.
1173 Fix variable naming and comment.
1175 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1177 Backport from mainline
1178 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1180 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
1181 (alpha_pad_function_end): ... this. Also insert NOP between
1182 sibling call and GP load.
1183 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
1185 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
1187 Backport from mainline
1188 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
1189 H.J. Lu <hongjiu.lu@intel.com>
1191 PR rtl-optimization/54157
1192 * combine.c (gen_lowpart_for_combine): Don't return identity
1193 for CONST or symbolic reference.
1195 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
1197 Backport from mainline
1198 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1200 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
1201 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
1202 split_cost argument signed.
1203 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
1204 (ix86_avoid_lea_for_addr): Ditto.
1206 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
1208 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
1209 the address has less than two components.
1211 2012-08-02 Steve Ellcey <sellcey@mips.com>
1213 Backport from mainline
1214 2012-07-19 Steve Ellcey <sellcey@mips.com>
1216 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
1219 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
1221 Backport from mainline
1222 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
1225 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
1226 negative constant address for TARGET_X32 ...
1227 (ix86_decompose_address): ... here. Reject constant addresses
1228 that don't satisfy x86_64_immediate_operand predicate.
1230 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1233 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
1234 * config/i386/i386.c (ix86_print_operand_address): Ditto.
1235 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
1236 addresses. Prevent zero extensions of CONST_INT operands.
1238 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
1241 * config/i386/i386.md (*lea): New insn pattern.
1243 (*lea<mode>_2): Ditto.
1244 (*lea_{3,4,5,6}_zext): Ditto.
1245 * config/i386/predicates.md (lea_address_operand): Do not reject
1246 zero-extended address operands.
1247 * config/i386/constraints.md (j): Remove address constraint.
1248 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
1250 (ix86_print_operand_address): Handle SImode subreg of an address.
1251 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
1253 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1255 Backport from mainline
1256 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
1259 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1260 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1262 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1263 (*movdi_internal_rex64): Use %E operand modifier for lea.
1264 (*movsi_internal): Ditto.
1266 (*lea<mode>_2): Ditto.
1267 (*lea_{3,4,5,6}_zext): Ditto.
1268 (*tls_global_dynamic_32_gnu): Ditto.
1269 (*tls_global_dynamic_64): Ditto.
1270 (*tls_dynamic_gnu2_lea_32): Ditto.
1271 (*tls_dynamic_gnu2_lea_64): Ditto.
1272 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1274 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1276 Backport from mainline
1277 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1279 * config/i386/i386.c (ix86_address_subreg_operand): Reject
1281 (ix86_print_operand_address): Assert that parts.base and parts.index
1282 are non-NULL after call to simplify_subreg.
1284 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
1287 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
1289 * config/sh/sh.c (sh_option_override): Do not change
1290 flag_finite_math_only. Set TARGET_IEEE to complement of
1291 flag_finite_math_only.
1292 * doc/invoke.texi (SH options): Add mno-ieee. Correct
1293 description of mieee and mno-ieee behavior.
1295 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
1298 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
1299 (_lzcnt_u64): Ditto.
1301 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
1303 Backport from mainline
1304 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
1306 PR rtl-optimization/52250
1307 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1308 to put note list into. Unconditionally call move_bb_info.
1309 (move_bb_info): Do not assert the blocks being in the same region,
1310 just drop the note list if they are not.
1312 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1314 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
1316 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1318 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
1319 defining statement is a SSA name that occurs in abnormal PHIs.
1321 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1323 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
1326 2012-07-19 Richard Guenther <rguenther@suse.de>
1327 Eric Botcazou <ebotcazou@adacore.com>
1329 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1330 about transition from invariant to known bits.
1331 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1333 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1336 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1337 (cleanup_tree_cfg_bb): Don't call it.
1338 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1341 2012-07-19 Christian Bruel <christian.bruel@st.com>
1344 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1346 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
1348 * config.gcc (v850-*-rtems*): New target.
1349 * config/v850/rtems.h: New.
1350 * config/v850/t-rtems: New.
1352 2012-07-18 Nick Clifton <nickc@redhat.com>
1354 * doc/invoke.texi (ARM Options): Document -munaligned-access.
1356 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
1360 Backport from mainline
1361 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1364 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1365 instead expand it as zero extension.
1367 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
1369 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1370 QImode and HImode splitters. Use ix86_comparison_operator.
1371 Explicitly match FLAGS_REG.
1372 (DFmode cmove splitter): Explicitly match FLAGS_REG.
1374 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
1375 Steven Bosscher <steven@gcc.gnu.org>
1376 Bernd Schmidt <bernds@codesourcery.com>
1378 PR rtl-optimization/53908
1379 * df-problems.c (can_move_insns_across): When doing
1380 memory-reference book-keeping, handle call insns.
1382 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
1384 Backport from mainline
1385 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1388 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1389 sibcall_insn_operand. Move it to a temporary register if not.
1391 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
1394 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1395 emit PIC sequence for fnaddr symbol reference in advance.
1397 2012-07-09 Jason Merrill <jason@redhat.com>
1400 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1401 (type_hash_eq): Likewise.
1404 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1406 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
1408 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1409 due to negative shift amount.
1411 2012-07-06 Kai Tietz <ktietz@redhat.com>
1413 Backport from mainline.
1415 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1416 as "/mingw/include".
1418 2012-07-06 Nick Clifton <nickc@redhat.com>
1420 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1421 default_encode_section_info.
1423 2012-07-06 Richard Guenther <rguenther@suse.de>
1425 Backport from mainline
1426 2012-03-30 Richard Guenther <rguenther@suse.de>
1429 * double-int.c (rshift_double): Remove not needed cast.
1431 2012-03-28 Richard Guenther <rguenther@suse.de>
1434 * double-int.h (rshift_double): Remove.
1435 * double-int.c (lshift_double): Use absu_hwi to make count
1437 (rshift_double): Make static, take unsigned count argument,
1438 remove handling of negative count argument.
1439 (double_int_rshift): Dispatch to lshift_double.
1441 2012-07-06 Richard Guenther <rguenther@suse.de>
1443 Backport from mainline
1444 2012-06-18 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/53693
1447 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1448 Reject operands with more than one use.
1450 2012-07-06 Richard Guenther <rguenther@suse.de>
1452 Backport from mainline
1453 2012-04-11 Richard Guenther <rguenther@suse.de>
1456 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1457 consider loop nesting.
1458 (evolution_function_is_univariate_p): Properly check the remainder
1461 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
1463 Backport from mainline
1464 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
1466 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1467 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1468 (adjacent_mem_locations): Move some code to and call...
1469 (get_memref_parts): ...new function.
1470 (mem_locations_overlap): New function.
1471 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1472 (is_mem_ref): Rename to...
1473 (find_mem_ref): ...this. Return MEM rtx.
1474 (get_store_dest): Remove function.
1475 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1476 new parameter and adjust calls.
1477 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1478 mem refs overlap for true_store_to_load_dep_costly.
1479 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1480 passed to adjacent_mem_locations.
1481 (is_costly_group): Walk resolved dependency list.
1482 (force_new_group): Emit group ending nop for Power6/Power7.
1483 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1484 (group_ending_nop): New define_insn.
1486 2012-07-04 Richard Guenther <rguenther@suse.de>
1489 * gimple-fold.c (get_base_constructor): Do not return an
1490 error_mark_node DECL_INITIAL.
1492 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
1494 Backport from mainline
1495 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1497 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1498 code model string in the error message.
1500 2012-07-04 Tristan Gingold <gingold@adacore.com>
1502 Backport from mainline.
1503 2012-06-25 Tristan Gingold <gingold@adacore.com>
1505 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1506 (seh_cfa_adjust_cfa): ... that function.
1507 (seh_emit_stackalloc): Do not emit out of range values.
1508 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1509 UNSPEC_DEF_CFA constants.
1510 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1511 * config/i386/i386.c (ix86_frame_pointer_required): Required
1512 for very large frames on SEH target.
1513 (ix86_compute_frame_layout): Save area is before frame pointer
1514 on SEH target. Handle very large frames.
1515 (ix86_expand_prologue): Likewise.
1517 2012-07-04 Richard Guenther <rguenther@suse.de>
1519 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1520 as in free_lang_data_in_type.
1522 2012-07-02 Martin Jambor <mjambor@suse.cz>
1524 Backport from mainline.
1525 2012-07-02 Martin Jambor <mjambor@suse.cz>
1528 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1529 dynamic type change check.
1531 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1533 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1534 last statement of the finally block onto the switch.
1536 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1538 * configure: Regenerate.
1540 Backport from mainline.
1541 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1543 * config.gcc (target_type_format_char): New. Document it. Set it for
1545 * configure.ac (gnu_unique_option): Use target_type_format_char
1546 in test. Comment rationale.
1548 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1550 Backport from mainline.
1551 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1553 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1555 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1557 Backport from 2012-06-28 mainline r189049
1560 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1561 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1562 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1563 avr_hard_regno_call_part_clobbered.
1565 2012-06-28 Richard Guenther <rguenther@suse.de>
1568 * expr.c (expand_expr_real_1): Verify if the type is complete
1569 before inspecting its size.
1571 2012-06-27 Nick Clifton <nickc@redhat.com>
1573 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1576 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1579 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1581 2012-06-26 Nick Clifton <nickc@redhat.com>
1583 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1585 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1588 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1589 of x x x in the vmovlps load alternative.
1591 2012-06-22 Richard Guenther <rguenther@suse.de>
1593 * gcov-iov.c: Include bconfig.h and system.h.
1595 2012-06-22 Richard Guenther <rguenther@suse.de>
1597 PR gcov-profile/53744
1598 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1600 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1602 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1603 DECL_IGNORED_P non-reg vars even if they are used.
1605 2012-06-19 Jason Merrill <jason@redhat.com>
1608 * dwarf2out.c (modified_type_die): Use scope_die_for.
1609 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1610 (uses_local_type_r, uses_local_type): New.
1611 (scope_die_for): Keep a type that uses a local type in local scope.
1612 Use get_context_die for namespace and type scope.
1614 2012-06-19 Richard Guenther <rguenther@suse.de>
1617 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1618 replace it with the first non-BLOCK context.
1620 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1622 PR rtl-optimization/53700
1624 Backport from mainline
1625 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1627 * ira-color.c (setup_left_conflict_sizes_p): Process all
1628 conflicting objects.
1630 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1632 Backport from mainline
1633 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1636 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1637 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1638 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1639 instead of xop_mulv2div2di3_low.
1640 (xop_p<macs>dql): Fix vec_select selector.
1641 (xop_p<macs>dqh): Ditto.
1642 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1643 (xop_mulv2div2di3_high): Ditto.
1645 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1647 Backport from mainline:
1648 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1650 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1652 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1654 Backport from mainline:
1655 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1657 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1658 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1659 MAX_PCREL17F_OFFSET instead of fixed offset.
1660 (pa_attr_length_call): Likewise.
1661 (pa_attr_length_indirect_call): Likewise.
1663 2012-06-15 Walter Lee <walt@tilera.com>
1665 Backport from mainline:
1666 2012-06-15 Walter Lee <walt@tilera.com>
1668 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1670 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1672 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1674 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1676 Backport from mainline:
1678 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1679 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1680 * gimple.h (block_in_transaction): Check for flag_tm.
1682 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1684 PR tree-optimization/52558
1686 Backport from mainline:
1687 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1688 * gimple.h (gimple_set_in_transaction): Remove.
1689 (gimple_in_transaction): Look in BB instead.
1690 (gimple_statement_base): Remove in_transaction field.
1691 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1692 * trans-mem.c (compute_transaction_bits): Place transaction bit
1693 information into basic blocks.
1695 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1697 PR tree-optimization/52558
1698 * cfg.c (alloc_aux_for_edge): Fix comment.
1699 (alloc_aux_for_edge): Remove static.
1700 * basic-block.h (alloc_aux_for_edge): Protoize.
1701 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1702 (execute_sm_if_changed_flag): New.
1703 (execute_sm_if_changed_flag_set): New.
1704 (execute_sm): Do not generate data races unless requested.
1705 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1706 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1707 * gimple.h (block_in_transaction): New.
1708 (gimple_in_transaction): Use block_in_transaction.
1710 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1712 Backported from mainline
1713 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1715 PR rtl-optimization/53589
1716 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1717 discovery even when e->dest != target. If any LABEL_REF points
1718 to e->dest label, redirect it to target's label.
1720 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1723 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1724 returns false, replace stmt with GIMPLE_NOP.
1725 (check_omp_nesting_restrictions): Instead of issuing warnings,
1726 issue errors and return false if any errors were reported.
1728 2012-06-14 Richard Guenther <rguenther@suse.de>
1730 * BASE-VER: Set to 4.7.2.
1731 * DEV-PHASE: Set to prerelease.
1733 2012-06-12 Christian Bruel <christian.bruel@st.com>
1736 * config/sh/sh.c (sh_option_override): Don't force
1737 flag_omit_frame_pointer and maccumulate_outgoing_args.
1738 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1740 2012-06-14 Release Manager
1742 * GCC 4.7.1 released.
1744 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1746 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1748 2012-06-13 Richard Henderson <rth@redhat.com>
1750 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1751 iterator instead of INT.
1753 2012-06-08 Richard Henderson <rth@redhat.com>
1756 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1757 note to a clobber insn when no other insn is available.
1759 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1762 * doc/invoke.texi (Wenum-compare): Update documentation.
1764 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1767 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1769 (altivec_stvlxl): Ditto.
1770 (altivec_stvrx): Ditto.
1771 (altivec_stvrxl): Ditto.
1773 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1776 * trans-mem.c (expand_block_edges): Do not skip the first
1777 statement when resetting the BB.
1779 2012-06-04 Richard Guenther <rguenther@suse.de>
1782 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1783 create new assembler names.
1785 2012-06-04 Richard Guenther <rguenther@suse.de>
1787 Backport from mainline
1788 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1791 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1792 larger than maxbits. Don't compute maxbits modulo align.
1793 Also check that unit bytes long store at bitpos / unit * unit
1794 doesn't affect bits beyond bitregion_end.
1795 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1796 would not fit into bitregion_start ... bitregion_end + 1 bit
1798 (store_split_bit_field): Decrease unit close to end of bitregion_end
1799 if access is restricted in order to avoid mutual recursion.
1801 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1803 Backport from 2012-06-04 mainline r188172
1806 * config/avr/avr-stdint.h: New file.
1807 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1810 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1812 PR tree-optimization/53550
1813 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1814 is POINTER_TYPE_P, use sizetype as step type instead of type.
1816 2012-06-04 Richard Guenther <rguenther@suse.de>
1817 Eric Botcazou <ebotcazou@adacore.com>
1819 Backport from mainline
1820 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1822 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1823 Change type of BITOFFSET to signed. Make sure the lower bound of
1824 the computed range is non-negative by adjusting OFFSET and BITPOS.
1825 (expand_assignment): Adjust call to get_bit_range.
1827 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1829 * expr.c (get_bit_range): Return the null range if the enclosing record
1830 is part of a larger bit field.
1832 2012-03-20 Richard Guenther <rguenther@suse.de>
1834 * stor-layout.c (finish_bitfield_representative): Fallback
1835 to conservative maximum size if the padding up to the next
1836 field cannot be computed as a constant.
1837 (finish_bitfield_layout): If we cannot compute the distance
1838 between the start of the bitfield representative and the
1839 bitfield member start a new representative.
1840 * expr.c (get_bit_range): The distance between the start of
1841 the bitfield representative and the bitfield member is zero
1842 if the field offsets are not constants.
1844 2012-03-16 Richard Guenther <rguenther@suse.de>
1846 * stor-layout.c (finish_bitfield_representative): Fall back
1847 to the conservative maximum size if we cannot compute the
1848 size of the tail padding.
1850 2012-03-14 Richard Guenther <rguenther@suse.de>
1852 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1853 * stor-layout.c (start_bitfield_representative): New function.
1854 (finish_bitfield_representative): Likewise.
1855 (finish_bitfield_layout): Likewise.
1856 (finish_record_layout): Call finish_bitfield_layout.
1857 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1858 for QUAL_UNION_TYPE fields.
1859 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1860 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1861 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1866 * expr.c (get_bit_range): Unconditionally extract bitrange
1867 from DECL_BIT_FIELD_REPRESENTATIVE.
1868 (expand_assignment): Adjust call to get_bit_range.
1870 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1873 * fold-const.c (fold_binary_loc): Refine previous change.
1875 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1877 Backport from mainline
1878 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1881 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1882 avoid going above orig insn. Update comments.
1884 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1886 Backport from mainline
1887 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1890 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1891 prologue for unwinder and profiler.
1893 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1895 Backport from mainline
1896 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1898 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1900 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1902 Backport from mainline
1903 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1905 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1906 DBX_REGISTER_NUMBER.
1908 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1910 Backport from mainline
1911 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1913 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1914 operand is CONST_INT. Take COSTS_N_INSNS into account.
1915 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1918 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1920 * config/avr/avr.opt (-msp8): Document it.
1921 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1923 2012-05-31 Richard Guenther <rguenther@suse.de>
1926 * expr.c (expand_assignment): Do not use movmisalign on
1929 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1932 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1933 (pa_section_type_flags): New.
1934 (pa_legitimate_constant_p): Revert previous change.
1936 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1938 Backport from mainline
1939 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1942 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1943 accessed indirectly.
1944 (ipa_tm_create_version): Same.
1946 2012-05-30 Jason Merrill <jason@redhat.com>
1949 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1950 about array compound literals.
1952 2012-05-30 Richard Guenther <rguenther@suse.de>
1955 * fold-const.c (fold_binary_loc): Make sure to call
1956 fold_plusminus_mult_expr with the original sign of operands.
1958 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1960 * explow.c (probe_stack_range): Restore simple control flow and stop
1961 again when the probe cannot be generated if HAVE_check_stack.
1963 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1965 PR rtl-optimization/53519
1966 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1967 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1969 2012-05-29 Richard Guenther <rguenther@suse.de>
1971 PR tree-optimization/53516
1972 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1974 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1976 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1978 Backport from mainline
1979 2012-05-28 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/53438
1982 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1984 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1986 Backport from mainline
1987 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1989 PR rtl-optimization/52528
1990 * combine.c (can_combine_p): Add setting of subst_low_luid
1991 before call to expand_field_assignment().
1993 2012-05-26 Martin Jambor <mjambor@suse.cz>
1995 Backport from mainline
1996 2012-05-23 Martin Jambor <mjambor@suse.cz>
1998 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
2000 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2003 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
2004 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
2006 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
2009 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
2010 (ix86_expand_vec_perm): Use int mode instead of float.
2012 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2015 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
2016 gnu_ld variables to yes.
2017 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
2018 (HAVE_GNU_AS): Likewise.
2019 * config.in: Regenerate.
2020 * configure: Likewise.
2022 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2024 Backport from mainline
2025 2012-03-12 Richard Guenther <rguenther@suse.de>
2026 * config/arm/arm.c (neon_dereference_pointer): Do not call
2027 covert during RTL expansion.
2029 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2031 Backport from mainline
2032 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2035 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2036 relied on signed overflow behavior.
2038 2012-05-24 Richard Guenther <rguenther@suse.de>
2041 * tree-profile.c (tree_profiling): Cleanup the CFG if
2042 execute_fixup_cfg requests it.
2044 2012-05-24 Jakub Jelinek <jakub@redhat.com>
2046 PR tree-optimization/53465
2047 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
2048 vr0 into *vr, then vrp_meet that.
2049 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
2050 have any equivalences.
2051 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
2054 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
2056 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
2058 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
2059 (iterative_hash_gimple_type): Adjust comment.
2060 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
2061 domain for an array type instead of the domain type itself.
2063 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
2065 Backport from 2012-05-23 mainline r187803
2068 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2069 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2072 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2074 Backport from 2012-05-03 mainline r187075
2076 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2077 has_fma4 for AMD processors with both fma3 and fma4 support.
2079 2012-05-22 Richard Guenther <rguenther@suse.de>
2081 PR tree-optimization/53408
2082 * tree-vect-loop.c (vectorizable_induction): Properly check
2083 the restriction that we cannot handle induction results from
2084 the inner loop outside of the outer loop.
2086 2012-05-21 Jakub Jelinek <jakub@redhat.com>
2088 PR tree-optimization/53436
2089 * omp-low.c (omp_build_component_ref): New function.
2090 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2092 PR tree-optimization/53366
2093 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2094 tests if complex_numbers == 2, but there are non-complex number loads
2097 PR tree-optimization/53409
2098 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2099 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2101 PR tree-optimization/53410
2102 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2103 instead of build_int_cst (type, 0) where vector types might be
2106 2012-05-21 Joseph Myers <joseph@codesourcery.com>
2109 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2110 from folded operands before wrapping another around the
2111 conditional expression.
2113 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2114 Patrick Marlier <patrick.marlier@gmail.com>
2116 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2119 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2121 Backport from mainline
2122 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2125 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2126 (UNSPECV_RDRAND): This.
2127 (rdrand<mode>_1): Updated.
2129 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2131 Backport from mainline
2132 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2134 * config/i386/driver-i386.c (host_detect_local_cpu): Support
2135 RDRND, F16C and FSGSBASE.
2137 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
2139 Backport from mainline
2140 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
2142 * tree-ssa-pre.c (can_value_number_call): Delete.
2143 (compute_avail): Skip all statements with side effects.
2144 <GIMPLE_CALL>: Skip calls to internal functions.
2146 2012-05-18 David S. Miller <davem@davemloft.net>
2148 Backport r185385 from mainline
2149 2012-03-14 Richard Guenther <rguenther@suse.de>
2152 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2153 element type instead of mode, use build_vector_type_for_mode
2154 instead of the langhook, build a vector of proper signedness.
2155 (expand_vector_operations_1): Adjust.
2157 2012-05-18 Olivier Hainque <hainque@adacore.com>
2159 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2160 $(libsubdir) as libexecsubdir.
2162 2012-05-16 Andrew Pinski <apinski@cavium.com>
2164 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2167 2012-05-16 David S. Miller <davem@davemloft.net>
2169 * jump.c (delete_related_insns): If we remove a CALL, make sure
2170 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2172 2012-05-16 Richard Henderson <rth@redhat.com>
2175 * combine-stack-adj.c (prev_active_insn_bb): New.
2176 (next_active_insn_bb): New.
2177 (force_move_args_size_note): New.
2178 (combine_stack_adjustments_for_block): Use it.
2180 2012-05-16 Olivier Hainque <hainque@adacore.com>
2182 * Makefile.in (install-no-fixedincludes): New target, former toplevel
2183 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2184 Add comments and improve stamp preservation across the whole sequence.
2185 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2187 2012-05-16 Richard Guenther <rguenther@suse.de>
2189 PR tree-optimization/53364
2190 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2191 detect a view-conversion of the decl.
2193 2012-05-15 Jakub Jelinek <jakub@redhat.com>
2196 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2197 that operands[2] is either immediate, or q_regs_operand.
2199 2012-05-15 Bin Cheng <bin.cheng@arm.com>
2201 Backport r187139 from mainline.
2202 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2204 PR rtl-optimization/52804
2205 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2206 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2207 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2208 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2209 RELOAD_FOR_OUTADDR_ADDRESS.
2211 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
2214 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2215 generate target register for "load" class builtins.
2218 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
2221 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2222 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2223 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2224 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2225 (<sse>_movu<ssemodesuffix>): New expander.
2226 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2227 (avx_movdqu<avxmodesuffix>): New expander.
2228 (*sse2_movdqu): Rename from sse2_movdqu.
2229 (sse2_movdqu): New expander.
2231 2012-05-14 Jakub Jelinek <jakub@redhat.com>
2233 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2234 lineno 1 the same as lineno 0 before first start file directive.
2235 (optimize_macinfo_range): Likewise.
2237 * dwarf2out.c (have_macinfo): Define.
2238 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2239 attribute, don't force empty compilation unit and don't emit any
2240 .debug_macinfo/.debug_macro section if macinfo_table is empty.
2242 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
2244 Backport from mainline
2245 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
2247 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2248 ORDERED and UNORDERED conditions.
2250 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
2252 * function.c (requires_stack_frame_p): If the function can throw
2253 non-call exceptions, return true if the insn can throw internally.
2255 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
2257 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2258 DECL_ORIGINAL_TYPE if it is present.
2260 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
2262 Backport from 2012-05-12 mainline r187342.
2265 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2266 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2267 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2268 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2269 (expand_prologue): Move initialization of cfun->machine->is_naked,
2270 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2271 (avr_set_current_function): ...this new static function.
2272 (TARGET_SET_CURRENT_FUNCTION): New define.
2273 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2274 checking attributes of current_function_decl.
2275 (avr_regs_to_save): Ditto.
2276 (signal_function_p): Rename to avr_signal_function_p.
2277 (interrupt_function_p): Rename to avr_interrupt_function_p.
2279 * doc/extend.texi (Function Attributes): Better explanation of
2280 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2283 2012-05-09 Matthias Klose <doko@ubuntu.com>
2285 * gcc-ar.c (main): Don't check for execute bits for the plugin.
2287 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
2290 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2291 when a constant source operand matches an "I" constraint, the "no
2292 CC0 change" applies to a register-destination only, not a
2293 strict_low_part-destination.
2295 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2297 Backport from mainline:
2298 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2300 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2302 2012-05-07 Jakub Jelinek <jakub@redhat.com>
2304 PR tree-optimization/53239
2305 * tree-vrp.c (get_value_range): Set VR of
2306 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2309 2012-05-07 Richard Guenther <rguenther@suse.de>
2311 PR tree-optimization/53195
2312 * tree-inline.c (setup_one_parameter): Properly add referenced
2313 vars from the parameters new known value.
2315 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2317 Backport from mainline:
2318 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2321 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2324 2012-05-04 Ian Lance Taylor <iant@google.com>
2326 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2327 values from false to NULL.
2329 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2331 Backport from mainline
2332 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2335 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2336 (TARGET_CMOV): Rename from TARGET_CMOVE.
2337 (TARGET_CMOVE): New define.
2338 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2339 Do not set TARGET_CMOVE here.
2341 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2343 Backport from mainline:
2345 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2347 PR tree-optimization/52633
2348 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2349 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2350 (vect_recog_over_widening_pattern): Remove handling of code that was
2351 already detected as over-widening pattern. Remove special handling
2352 of "unsigned" cases. Instead, support general case of conversion
2353 of the shift result to another type.
2355 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2357 * tree-vect-patterns.c (vect_single_imm_use): New function.
2358 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2359 (vect_recog_over_widening_pattern): Likewise.
2360 (vect_recog_widen_shift_pattern): Likewise.
2362 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2364 PR tree-optimization/52870
2365 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2366 presumed pattern statement is within the same loop or basic block.
2368 2012-05-04 Richard Guenther <rguenther@suse.de>
2370 * common.opt (flto-report): Do not mark as Optimization.
2372 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2375 * recog.c (constrain_operands): If extra constraints are present, also
2376 accept pseudo-registers with equivalent memory locations during reload.
2378 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2380 Backport from the mainline
2381 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2384 * config/rs6000/rs6000.md (bswapdi splitters): If
2385 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2386 default) is used, generate an alternate sequence that does not
2387 depend on using indexed addressing.
2389 2012-05-03 David S. Miller <davem@davemloft.net>
2392 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2393 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2394 (sparc_emit_float_lib_cmp): Likewise.
2396 2012-05-04 Martin Jambor <mjambor@suse.cz>
2398 Backport from mainline
2399 2012-05-02 Martin Jambor <mjambor@suse.cz>
2402 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2403 of a variable when the contect is a function.
2405 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2408 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2409 append program name to it and pass that as first argument
2410 to make_relative_prefix. Always pass standard_libexec_prefix
2411 as last argument to make_relative_prefix. If
2412 make_relative_prefix returns NULL, fall back to
2413 standard_libexec_prefix.
2416 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2420 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2421 mode, return that mode.
2423 2012-05-03 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/53144
2426 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2428 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2429 with SSA name values.
2430 (vn_reference_lookup_3): Adjust callers.
2432 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2434 PR tree-optimization/53163
2435 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2436 return value from compute_all_dependences.
2438 PR rtl-optimization/53160
2439 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2440 has been modified by ree pass already.
2442 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2444 Backport from mainline
2445 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2448 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2449 calls to cgraph_node_name in xstrdup.
2450 (ipa_make_edge_direct_to_target): Ditto.
2451 * tree-sra.c (convert_callers_for_node): Ditto.
2452 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2453 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2454 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2455 (cgraph_materialize_all_clones): Ditto.
2456 * ipa-inline.c (report_inline_failed_reason): Ditto.
2457 (want_early_inline_function_p): Ditto.
2458 (edge_badness): Ditto.
2459 (update_edge_key): Ditto.
2460 (flatten_function): Ditto.
2461 (ipa_inline): Ditto.
2462 (inline_always_inline_functions): Ditto.
2463 (early_inline_small_functions): Ditto.
2465 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
2467 Backport from mainline
2468 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
2470 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2471 Introduce emul_name to select the right linker emulation for
2472 powerpc64-*-freebsd*.
2473 * configure: Regenerate.
2474 * config.gcc: Add bits to support powerpc64-*-freebsd*.
2475 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2476 * config/rs6000/freebsd64.h: New file.
2477 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2479 (rs6000_savres_strategy): Likewise.
2480 (rs6000_savres_routine_name): Likewise.
2481 (rs6000_elf_file_end): Likewise.
2482 * config/rs6000/t-freebsd64: New file.
2483 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2484 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2486 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2488 Backport from mainline
2489 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2492 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2494 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2496 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2497 predicate to discriminate types.
2499 2012-04-27 Richard Guenther <rguenther@suse.de>
2502 * convert.c (convert_to_integer): Avoid infinite recursion for
2503 target-defined built-in types.
2505 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2508 * config/cris/cris.md ("*andhi_lowpart_v32")
2509 ("*andqi_lowpart_v32"): Change first input-only operand from
2510 a (match_operand ...) to (match_dup 0). Drop alternatives with
2511 const_int-matching constraints for redundancy.
2512 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2513 three-operand alternative.
2515 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2517 Backport from mainline
2518 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2520 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2521 (*addsi_2_zext): Ditto.
2522 (*add<mode>_3): Ditto.
2523 (*addsi_3_zext): Ditto.
2524 (*add<mode>_5): Ditto.
2526 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2529 * c-typeck.c (set_nonincremental_init,
2530 set_nonincremental_init_from_string): Pass true instead of false
2531 as IMPLICIT to add_pending_init.
2533 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2535 Backport from 2012-04-24 mainline r186768.
2538 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2540 2012-04-24 Richard Guenther <rguenther@suse.de>
2542 PR tree-optimization/53085
2543 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2546 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2549 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2551 (output_addressed_constants): Likewise.
2554 * varasm.c (get_section): Don't ICE for section conflicts with
2555 built-in section kinds.
2557 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2559 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2561 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2563 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2565 2012-04-23 Richard Guenther <rguenther@suse.de>
2568 * c-typeck.c (build_binary_op): Fix typo.
2570 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2572 PR tree-optimizations/52891
2573 * tree-vect-patterns.c (adjust_bool_pattern): Use
2574 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2575 but with non-standard precision.
2577 2012-04-22 Ian Lance Taylor <iant@google.com>
2579 * godump.c (go_output_typedef): Dump size of structs.
2581 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2583 Backport from mainline:
2585 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2586 hints for 'A' operand types.
2588 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2590 Backport from 2012-04-19 mainline r186588.
2593 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2594 the case *(X+const).
2596 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2598 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2600 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2603 * config/i386/sync.md (atomic_<code><mode>): Rename to
2604 atomic_<logic><mode>.
2606 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2608 Backport from mainline
2609 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2612 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2613 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2614 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2615 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2616 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2617 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2618 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2619 gen_avx2_permvarv8sf.
2621 2012-04-16 Martin Jambor <mjambor@suse.cz>
2623 Backported from mainline
2625 2012-04-13 Martin Jambor <mjambor@suse.cz>
2628 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2629 fold_ctor_reference returns a zero constant.
2631 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2633 Backported from mainline
2634 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2636 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2637 and __ILP32__ for x32.
2639 2012-04-13 Tom de Vries <tom@codesourcery.com>
2641 Backport from mainline r186418.
2643 2012-04-13 Tom de Vries <tom@codesourcery.com>
2645 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2646 parameters vuse and vuse_escaped.
2647 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2648 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2651 2012-04-13 Richard Guenther <rguenther@suse.de>
2653 PR tree-optimization/52969
2654 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2655 the condition for the COND_EXPR and handle predicate negation
2656 by swapping the COND_EXPR arms.
2658 2012-04-13 Richard Guenther <rguenther@suse.de>
2661 * convert.c (convert_to_pointer): Remove special-casing of
2664 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2666 Backport from mainline
2667 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2670 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2671 the list of options to enable the FCFID instruction.
2672 (TARGET_EXTRA_BUILTINS): Adjust comment.
2674 2012-04-12 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/52943
2677 * tree-chrec.h (chrec_is_positive): Remove.
2678 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2679 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2680 Return false for a constant zero instead of negative.
2681 (analyze_siv_subscript_cst_affine): Handle zero difference
2682 in the initial condition explicitely.
2684 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2687 * varasm.c (process_pending_assemble_externals): Set
2688 pending_assemble_externals_processed true.
2689 (assemble_external): Call assemble_external_real if the pending
2690 assemble externals have been processed.
2692 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2695 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2696 the DECL generated for the special GOT helper.
2698 2012-04-06 Walter Lee <walt@tilera.com>
2700 Backport from mainline
2701 2012-03-07 Walter Lee <walt@tilera.com>
2703 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2704 REG_CFA_* notes for the stack pointer.
2705 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2706 EH_RETURN_STACKADJ_RTX.
2707 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2708 generate REG_CFA_* notes for the stack pointer.
2709 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2710 by EH_RETURN_STACKADJ_RTX.
2712 2012-04-06 Matt Turner <mattst88@gmail.com>
2714 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2716 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2718 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2719 of the destination isn't also a FP_REGS register.
2721 2012-04-03 Richard Guenther <rguenther@suse.de>
2723 Backport from mainline
2724 2012-03-02 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/52406
2727 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2728 (struct indices): Add unconstrained_base member.
2729 (struct dr_alias): Remove unused vops member.
2730 (DR_UNCONSTRAINED_BASE): New define.
2731 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2732 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2733 be an artificial access that covers the whole indexed object,
2734 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2735 plain decl base-objects to their MEM_REF variant.
2736 (dr_may_alias_p): When the base-object of either data reference
2737 has unknown size use only points-to information.
2738 (compute_affine_dependence): Make dumps easier to read and
2740 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2741 DR_REF when looking for packed references.
2742 (vect_supportable_dr_alignment): Likewise.
2744 2012-04-03 Richard Guenther <rguenther@suse.de>
2746 Backport from mainline
2747 2012-03-15 Richard Guenther <rguenther@suse.de>
2750 * tree-data-ref.c (subscript_dependence_tester_1): Check
2751 all dimensions for non-conflicting access functions.
2753 2012-04-03 Richard Guenther <rguenther@suse.de>
2755 Backport from mainline
2756 2012-03-06 Richard Guenther <rguenther@suse.de>
2759 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2761 2012-03-23 Richard Guenther <rguenther@suse.de>
2763 PR tree-optimization/52678
2764 * tree-vectorizer.h (struct _stmt_vec_info): Add
2765 loop_phi_evolution_part member.
2766 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2767 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2768 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2769 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2770 Use the cached evolution part and the PHI nodes value from
2771 the loop preheader edge instead of re-analyzing the evolution.
2773 2012-03-26 Richard Guenther <rguenther@suse.de>
2775 PR tree-optimization/52701
2776 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2777 compute and set the evolution part of PHI nodes.
2779 2012-03-30 Richard Guenther <rguenther@suse.de>
2781 PR tree-optimization/52754
2782 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2783 propagate arbitrary addresses into really plain dereferences.
2785 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2787 PR tree-optimization/52835
2788 * tree-data-ref.c (build_rdg): Return NULL if
2789 compute_data_dependences_for_loop failed.
2791 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2793 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2794 (stmt_can_make_abnormal_goto): Use it.
2795 (is_ctrl_altering_stmt): Likewise.
2797 2012-03-31 Martin Jambor <mjambor@suse.cz>
2799 Backported from mainline
2800 2012-03-30 Martin Jambor <mjambor@suse.cz>
2802 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2803 is a builtin_stack_save in a dominating BB.
2805 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2807 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2808 crossing 128bit lane boundary.
2810 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2812 Backported from mainline
2813 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2816 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2818 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2819 * config/i386/i386.c: Include reload.h.
2820 (ix86_legitimize_reload_address): New function.
2822 2012-03-28 Martin Jambor <mjambor@suse.cz>
2824 Backported from mainline
2825 2012-03-27 Martin Jambor <mjambor@suse.cz>
2828 * tree-sra.c (sra_modify_assign): Do not call
2829 load_assign_lhs_subreplacements when working with an unscalarizable
2832 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2835 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2836 __builtin_va_start to __builtin_next_arg if the latter is
2837 builtin_decl_explicit_p rather than when it is not.
2840 * tree-vect-generic.c (vector_element): Perform multiplication
2841 for pos in bitsizetype type instead of idx type.
2843 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2845 Backport from 2012-03-28 mainline r185910.
2848 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2849 (avr_builtin_decl): New static function.
2850 (struct avr_builtin_description, avr_bdesc): Move up.
2851 Add GTY marker. Add field fndecl. Remove redundant field id.
2852 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2853 (avr_expand_builtin): Code cleanup because .id is removed.
2855 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2858 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2861 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2863 Backport from 2012-03-28 mainline r185907.
2866 * config.gcc (tm_file): Remove avr/multilib.h.
2868 * doc/invoke.texi (AVR Options): Adjust
2869 documentation of -mtiny-stack.
2871 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2872 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2873 * config/avr/t-avr: Remove generation of multilib.h.
2874 * config/avr/t-multilib: Regenerate.
2875 * config/avr/multilib.h: Remove.
2876 * config/avr/avr.opt (-msp8): New option.
2877 (avr_sp8): New variable.
2878 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2879 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2880 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2881 (avr_device_to_sp8): New prototype.
2882 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2883 (DRIVER_SELF_SPECS): New define.
2884 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2885 __AVR_SP8__, __AVR_HAVE_SPH__.
2886 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2887 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2888 (avr_file_start): Ditto.
2890 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2893 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2894 instead of 8 in adjust_address.
2896 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2898 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2899 of a unit before computing the offset in units.
2901 2012-03-27 Richard Guenther <rguenther@suse.de>
2904 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2907 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2910 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2912 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2915 * varasm.c: Include pointer-set.h.
2916 (pending_assemble_externals_set): New pointer set.
2917 (process_pending_assemble_externals): Destroy the pointer set.
2918 (assemble_external): See if decl is in pending_assemble_externals_set,
2919 and add it to pending_assemble_externals if necessary.
2920 (init_varasm_once): Allocate pending_assemble_externals_set.
2922 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2924 Backported from mainline
2925 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2928 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2929 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2930 (vector_ltgt<mode>): Likewise.
2931 (vector_ordered<mode>): Likewise.
2932 (vector_unordered<mode>): Likewise.
2933 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2935 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2937 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2940 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2942 Backported from mainline
2943 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2947 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2948 GENERAL_REGS and FP_REGS for SImode.
2950 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2953 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2954 on any new_local_var_chain vars declared during recursing on
2955 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2957 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2959 Backport from 2012-03-22 mainline r185692.
2962 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2963 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2964 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2965 (delay_cycles_1, delay_cycles_2): Ditto.
2966 (delay_cycles_3, delay_cycles_4): Ditto.
2967 (nopv, *nopv): Ditto.
2968 (sleep, *sleep): Ditto.
2971 Backport from 2012-03-21 mainline r185605.
2973 PR rtl-optimization/52543
2975 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2976 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2977 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2978 (avr_load_libgcc_p): Restrict to __flash loads.
2979 (avr_out_lpm): Only handle 1-byte loads from __flash.
2980 (avr_load_lpm): New function.
2981 (avr_find_unused_d_reg): Remove.
2982 (avr_out_lpm_no_lpmx): Remove.
2983 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2984 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2985 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2986 (load_<mode>, load_<mode>_clobber): New insns.
2987 (mov<mode>): For multi-byte move from non-generic
2988 16-bit address spaces: Expand to load_<mode> resp.
2989 load_<mode>_clobber.
2990 (load<mode>_libgcc): Remove expander.
2991 (split-lpmx): Remove split.
2993 Backport from 2012-03-13 mainline r185329.
2996 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2997 offset (size) to a value the insns can deal with.
2998 (expand_epilogue): Ditto.
3000 Backport from 2012-03-12 mainline r185256.
3003 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3004 type from reg_class_t to enum reg_class.
3005 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3007 Backport from 2012-03-12 mainline r185253.
3010 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3011 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3012 r184615 from 2012-02-28.
3014 Backport from 2012-03-08 mainline r185105.
3016 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
3017 for constants in [-63,63].
3019 Backport from 2012-03-08 mainline r185100.
3022 * config/avr/avr.c (avr_mem_clobber): New static function.
3023 (avr_expand_delay_cycles): Add memory clobber operand to
3024 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
3025 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
3026 (enable_interrupt, disable_interrupt): New expander.
3027 (nopv, sleep, wdr): New expanders.
3028 (delay_cycles_1): Add memory clobber.
3029 (delay_cycles_2): Add memory clobber.
3030 (delay_cycles_3): Add memory clobber.
3031 (delay_cycles_4): Add memory clobber.
3032 (cli_sei): New insn from former "enable_interrupt",
3033 "disable_interrupt" with memory clobber.
3034 (*wdt): New insn from former "wdt" with memory clobber.
3035 (*nopv): Similar, but for "nopv".
3036 (*sleep): Similar, but for "sleep".
3038 Backport from 2012-03-07 mainline r185043.
3041 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
3043 Backport from 2012-03-07 mainline r185032.
3046 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3047 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3048 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3050 Backport from 2012-03-07 mainline r185031.
3053 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3055 * config/avr/avr.md (xload_8): Adjust insn length.
3057 Backport from 2012-03-07 mainline r185030.
3060 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3061 if RAMPZ affects reading from RAM.
3063 Backport from 2012-03-05 mainline r184919.
3065 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3067 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3069 Backport from mainline r185259.
3072 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3073 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3075 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3077 Backported from mainline
3078 2012-03-13 Jakub Jelinek <jakub@redhat.com>
3081 * c-parser.c (c_parser_postfix_expression)
3082 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3084 * config/i386/smmintrin.h: Avoid /* within a comment.
3085 * config/i386/nmmintrin.h: Likewise.
3087 2012-03-22 Richard Guenther <rguenther@suse.de>
3089 * BASE-VER: Set to 4.7.1.
3090 * DEV-PHASE: Set to prerelease.
3092 2012-03-22 Release Manager
3094 * GCC 4.7.0 released.
3096 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3098 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3100 2012-03-15 Jakub Jelinek <jakub@redhat.com>
3101 Andrew Pinski <apinski@cavium.com>
3104 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3105 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3106 calls instead of __builtin_ir{int,ound}*.
3108 2012-03-14 Jakub Jelinek <jakub@redhat.com>
3111 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
3114 2012-03-13 Joseph Myers <joseph@codesourcery.com>
3116 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
3117 Refer to GCC 4.7 version of c99status.html.
3119 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3121 Backport from mainline
3122 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3124 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
3125 redefine to be NULL if the current bit-size is different from the
3126 configured bit-size.
3128 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
3129 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
3130 set the default tuning. Add asserts to make sure the cpu and tune
3131 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
3132 test whether the index is set, instead of > 0.
3133 (rs6000_file_start): Do not reset the default cpu if the current
3134 bit-size is different from the configured bit-size.
3136 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3138 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3140 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3141 Update binutils references.
3142 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3143 Update binutils reference.
3144 Update Sun as/GNU ld caveat.
3145 Document binutils largefile requirement for LTO plugin.
3146 Remove reference to alternate libpthread.
3148 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3150 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
3152 (Specific, mips-sgi-irix6): Likewise.
3154 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3156 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
3157 * configure: Regenerate.
3159 2012-03-07 Richard Henderson <rth@redhat.com>
3161 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3162 * config/m68k/sync.md (atomic_test_and_set): Use it.
3163 (atomic_test_and_set_1): Likewise.
3165 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3168 * Makefile.in: Let install-gcc-ar depend on installdirs,
3169 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3170 Don't double canonicalize if cross-compiling.
3172 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3174 * trans-mem.c: New typedef for tm_region_p.
3175 Define vector types for tm_region_p.
3176 (tm_region_init): Replace region_worklist to a vector called
3179 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3182 * trans-mem.c (tm_region_init): Use last_basic_block.
3184 2012-03-05 Richard Henderson <rth@redhat.com>
3187 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3188 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3189 BIGGEST_ALIGNMENT is aligned.
3191 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3193 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3195 2012-03-05 Richard Henderson <rth@redhat.com>
3198 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3199 instead of calling negqi2 directly.
3201 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3203 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
3204 (INTMAX_TYPE): Use it.
3205 (UINTMAX_TYPE): Likewise.
3206 (SUBTARGET_OVERRIDE_OPTIONS): Define.
3207 (irix6_c_common_override_options): Declare.
3208 (C_COMMON_OVERRIDE_OPTIONS): Define.
3209 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
3210 * config/mips/irix6-c.c: New file.
3211 * config/mips/t-irix6 (irix6-c.o): New target.
3212 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
3215 2012-03-02 Richard Henderson <rth@redhat.com>
3217 * optabs.c (expand_atomic_test_and_set): Honor
3218 atomic_test_and_set_trueval even when atomic_test_and_set
3219 optab is not in use.
3221 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3223 Backport from mainline
3224 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3226 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3228 2012-03-02 Richard Guenther <rguenther@suse.de>
3230 * DEV-PHASE: Set to prerelease.
3232 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3234 * config.gcc (obsolete): Add all ARM targets using the FPA.
3235 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3236 * doc/install.texi: Avoid references to obsolete ARM ports.
3238 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3240 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3242 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3243 Joern Rennecke <joern.rennecke@embecosm.com>
3245 * doc/extend.texi: Expand and update information on interrupt
3246 attribute for Epiphany.
3248 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3250 * config/sh/sh-protos.h: Update copyright notice dates.
3251 * config/sh/sh.h: Likewise.
3252 * config/sh/sh.md: Likewise.
3253 * config/sh/constraints.md: Likewise.
3254 * config/sh/predicates.md: Likewise.
3256 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3258 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3259 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3261 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3263 * config/sh/constraints.md: Fix comment typo.
3265 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3268 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3269 unsigned HOST_WIDE_INT.
3270 (zvdep_imm64): Likewise.
3271 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3272 (vdepi_and): Likewise.
3273 Likewise for unamed 64-bit patterns.
3274 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3276 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3279 PR rtl-optimization/52417
3280 * cselib.c (cselib_any_perm_equivs): New variable.
3281 (cselib_reset_table): Check that it's not set when not
3282 preserving constants.
3283 (cselib_add_permanent_equiv): Set it.
3284 (cselib_have_permanent_equivalences): New.
3285 (cselib_init, cselib_finish): Reset it.
3286 * cselib.h (cselib_have_permanent_equivalences): Declare.
3287 * alias.c (get_addr): Restore earlier behavior when there
3288 aren't permanent equivalences.
3290 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3292 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3293 * config/v850/v850-modes.def: Fix copyright notice.
3295 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3297 * doc/extend.texi (AVR Built-in Functions): Document
3298 __builtin_avr_flash_segment.
3300 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3301 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3302 (*split.flash_segment): New insn-and-split.
3303 * config/avr/avr.c (avr_init_builtins): Add local variables:
3304 const_memx_void_node, const_memx_ptr_type_node,
3305 char_ftype_const_memx_ptr.
3307 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3309 PR tree-optimization/52445
3310 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3311 add ssa_name_ver, offset and size fields and change store field
3313 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3314 (add_or_mark_expr): Likewise. Only consider previous stores
3315 with the same size and offset.
3316 (nt_init_block): Only look at gimple_assign_single_p stmts,
3317 doesn't look at rhs2.
3319 2012-03-01 Richard Guenther <rguenther@suse.de>
3322 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3323 conversions from integral types to pointer types.
3325 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3327 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3328 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3329 unintentionally removed in r184616.
3331 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3333 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3336 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3337 Uros Bizjak <ubizjak@gmail.com>
3340 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3341 alternatives, add "e" constraint to the new last alternative
3342 and ! to last 3 alternatives.
3344 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3346 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3347 DW_AT_artificial attributes at the end of the processing.
3348 (gen_array_type_die): Likewise.
3349 (gen_enumeration_type_die): Likewise.
3350 (gen_struct_or_union_type_die): Likewise.
3351 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3354 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3357 * expr.c (expand_assignment): If doing misaligned store that doesn't
3358 cover all mode bits, perform a RMW cycle.
3360 PR tree-optimization/52429
3361 * tree-parloops.c (separate_decls_in_region_debug): Return early
3362 if var is LABEL_DECL.
3364 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3366 PR tree-optimization/52424
3367 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3368 calling dom_thread_across_edge.
3370 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3372 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3374 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3376 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3377 * config/avr/avr.c (avr_output_bld): Remove unused function.
3378 (avr_out_sbxx_branch): Use "%T" to print bit position.
3380 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3382 * config/avr/avr.md: Untabify.
3384 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3386 * config/avr/avr.md (eqne): New code iterator.
3387 (*dec-and-branchsi): Use it in text peephole's condition.
3388 (*dec-and-branchhi): Ditto.
3389 (*dec-and-branchqi): Ditto.
3391 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3394 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3395 the device does not have the skip-bug.
3397 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3399 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3400 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3401 -mpretend-cmove): New.
3403 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3406 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3407 doesn't count DEBUG_INSN refs.
3408 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3409 for DEBUG_INSN refs.
3411 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3415 2012-02-20 Richard Guenther <rguenther@suse.de>
3416 PR tree-optimization/52298
3417 * tree-vect-stmts.c (vectorizable_load): Properly use
3418 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3421 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3424 * gimple.h (gimple_in_transaction): New.
3425 (gimple_set_in_transaction): New.
3426 (struct gimple_statement_base): Add in_transaction field.
3427 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3429 (tree_ssa_lim_initialize): Compute transaction bits.
3430 * tree.h (compute_transaction_bits): Protoize.
3431 * trans-mem.c (tm_region_init): Use the heap to store BB
3433 (compute_transaction_bits): New.
3435 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3437 * gcc.c (display_help): Document --help=common and sort entries
3440 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3442 * doc/install.texi: Document check-$LANG specific shortcuts
3444 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3447 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3449 * config/arm/arm_neon.h: Regenerate.
3450 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3451 (neon_vcgeu): New insn.
3452 (neon_vcgtu): Likewise.
3453 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3454 (ops): Unsigned comparison intrinsics call a different
3457 2012-02-28 Richard Guenther <rguenther@suse.de>
3460 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3461 ordering for the VEC_CONCAT for two element vectors for
3462 V2SFmode, V2SImode and V2DImode.
3464 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3467 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3468 detecting big-endian triplets.
3470 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3472 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3473 mode if there is no type information available.
3475 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3477 PR tree-optimization/53207
3478 * doc/invoke.texi: Document as experimental and relying on graphite.
3480 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3482 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3483 of initializer to changes from r184614.
3485 2012-02-28 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/52395
3488 * tree-sra.c (build_ref_for_offset): Also look at the base
3489 TYPE_ALIGN when figuring out the alignment of the replacement.
3491 2012-02-28 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/52402
3494 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3495 mis-aligned types when creating the accesses at the call site.
3497 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3499 * config/avr/builtins.def: New file.
3500 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3501 * config/avr/avr.c (enum avr_builtin_id): Use it.
3502 (avr_init_builtins): Use it. And use avr_bdesc.
3503 (bdesc_1arg): Remove.
3504 (bdesc_2arg): Remove.
3505 (bdesc_3arg): Remove.
3506 (struct avr_builtin_description): Add field n_args.
3507 (avr_bdesc): New static variable using builtins.def.
3508 (avr_expand_builtin): Use it.
3509 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3510 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3511 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3513 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3516 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3517 match only one single hard register with respective hard reg rtx.
3518 (movmemx_<mode>): Ditto.
3519 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3520 insn anatomy of movmem[x]_<mode>.
3521 (avr_out_movmem): Same for printing assembler and operand usage.
3523 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3527 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3528 address spaces located outside of device flash.
3530 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3531 (mcu_type_s): Add field n_flash.
3532 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3533 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3534 (AVR_MCU): Add N_FLASH argument.
3535 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3536 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3537 macro __FLASH<n> if that address space makes sense for the device.
3538 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3539 outside of target flash.
3540 (avr_asm_named_section): Ditto.
3541 (avr_asm_select_section): Ditto.
3542 (avr_addr_space_convert): Ditto.
3543 (avr_emit_movmemhi): Ditto.
3544 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3545 address space is outside of device flash.
3546 (avr_insert_attributes): Ditto.
3547 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3548 avr_current_arch->n_segments.
3550 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3553 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3555 (*movabs<mode>_2): Likewise.
3557 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3560 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3561 s_register_operand in the test instead of REG_P. Don't call
3562 gen_reg_rtx if it won't be used.
3564 PR tree-optimization/52376
3565 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3567 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3569 * ifcvt.c (noce_get_condition): Check condition variable is not
3570 small_register_classes_for_mode_p before accepting.
3572 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3574 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3576 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3579 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3580 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3582 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3584 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3586 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3588 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3590 * config/sh/predicates.md: Remove blank lines.
3591 * config/sh/sh.c: Fix typos in comments.
3592 * config/sh/constraints.md: Likewise.
3593 * config/sh/sh.md: Remove blank lines.
3594 Fix typos in comments. Use ;; as comment characters.
3596 2012-02-26 Walter Lee <walt@tilera.com>
3598 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3599 (replace_mov_pcrel_step2): Ditto.
3601 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3604 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3605 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3606 and locs that reference values newer than the non-canonical value
3607 at hand. Return the canonical value as a worst case.
3608 (memrefs_conflict_p): Walk canonical value's locs.
3611 * cselib.c (preserve_only_constants): Rename to...
3612 (preserve_constants_and_equivs): ... this. Split out...
3613 (invariant_or_equiv_p): ... this. Preserve plus expressions
3614 of other preserved expressions too.
3615 (cselib_reset_table): Adjust.
3616 * var-tracking.c (reverse_op): Use canonical value to build
3619 2012-02-23 Kai Tietz <ktietz@redhat.com>
3621 * config/i386/i386.c (ix86_delegitimize_address): Handle
3622 UNSPEC_PCREL plus displacement.
3624 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3627 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3628 to test for unusedness in st X addressing.
3630 2012-02-24 Richard Guenther <rguenther@suse.de>
3633 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3634 (is_gimple_reg_type): Move inline ...
3635 * gimple.h (is_gimple_reg_type): ... here.
3637 2012-02-24 Richard Guenther <rguenther@suse.de>
3640 * passes.c (execute_function_todo): When verifying SSA form
3641 verify gimple form first.
3642 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3644 2012-02-24 Richard Guenther <rguenther@suse.de>
3647 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3648 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3650 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3652 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3654 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3656 * tree-phinodes.c (make_phi_node): Mark static.
3657 * tree-flow.h (make_phi_node): Remove extern decl.
3658 * doc/gimple.texi (make_phi_node): Remove documentation.
3660 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3662 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3663 * tree-ssa-sccvn.c (print_scc): Ditto.
3665 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3667 * doc/passes.texi (Full redundancy elimination): Fix typo.
3669 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3671 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3673 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3676 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3678 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3681 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3683 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3685 * config/avr/avr.md (code_stdname): Add ior, xor.
3686 (xior): New code iterator.
3687 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3688 (*<code_stdname><mode>qi.byte1-3): Ditto.
3690 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3692 PR tree-optimization/52019
3693 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3696 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3698 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3699 HAVE_INITFINI_ARRAY to work around namespace pollution in
3700 certain versions of newlib system headers.
3701 * config.in: Regenerate.
3702 * configure: Regenerate.
3703 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3704 instead of HAVE_INITFINI_ARRAY.
3706 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3709 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3710 is not offsettable memory reference.
3712 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3715 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3716 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3718 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3720 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3721 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3723 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3725 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3726 library on Solaris 8 even without TLS support.
3727 * configure: Regenerate.
3729 2012-02-22 Richard Guenther <rguenther@suse.de>
3732 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3733 for GIMPLE_DEBUG stmts.
3735 2012-02-22 Martin Jambor <mjambor@suse.cz>
3738 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3739 according to the base object.
3741 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3743 PR rtl-optimization/50063
3744 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3745 and 2 (8-bit SP) in operand 2.
3746 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3747 setup to use movhi_sp_r instead of vanilla move to write SP.
3748 Adjust REG_CFA notes to superseed unspec.
3749 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3751 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3752 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3753 irq_state 1 (IRQ known to be on) here.
3755 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3757 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3759 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3760 assign_hard_reg): Likewise.
3762 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3764 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3766 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3769 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3770 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3772 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3774 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3775 prototype from here to...
3776 * config/avr/avr.h: ...here.
3778 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3781 * thumb2.md (thumb2_shiftsi3_short): Split register and
3782 immediate shifts. For register shifts tie operands 0 and 1.
3783 (peephole2 for above): Check that register-controlled shifts
3784 have suitably tied operands.
3786 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3789 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3790 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3791 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3792 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3793 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3794 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3795 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3796 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3797 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3798 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3799 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3800 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3801 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3802 bdver1_ssevector_avx256_unaligned_load,
3803 bdver1_ssevector_sse128_unaligned_load,
3804 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3805 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3806 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3807 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3808 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3809 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3810 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3811 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3812 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3813 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3814 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3815 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3816 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3817 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3818 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3819 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3820 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3821 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3822 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3823 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3824 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3825 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3826 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3827 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3828 bdver1_ssediv_double_load, bdver1_ssediv_double,
3829 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3830 Add "bdver2" attribute.
3832 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3834 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3835 default if possible and not specified otherwise.
3837 2012-02-21 Richard Guenther <rguenther@suse.de>
3840 * gimplify.c (create_tmp_from_val): Use the main variant type
3841 for the type of the temporary we create.
3843 2012-02-21 Richard Guenther <rguenther@suse.de>
3845 PR tree-optimization/52324
3846 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3847 do not gimplify a MEM_REF address operand if it is already
3850 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3852 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3853 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3855 2012-02-21 Richard Guenther <rguenther@suse.de>
3857 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3858 nested_in_vect_loop.
3860 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3862 PR tree-optimization/52318
3863 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3864 vdef also to non-pure/const call stmts in the sequence.
3866 2012-02-20 David S. Miller <davem@davemloft.net>
3868 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3869 don't use the "rd %pc" instruction on v9 for PIC register loads.
3871 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3874 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3875 in a transaction safe function.
3877 2012-02-20 Kai Tietz <ktietz@redhat.com>
3880 * stor-layout.c (place_field): Handle desired_align for
3883 2012-02-20 Richard Guenther <rguenther@suse.de>
3885 PR tree-optimization/52298
3886 * tree-vect-stmts.c (vectorizable_store): Properly use
3887 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3889 (vectorizable_load): Likewise.
3890 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3891 Access DR_STEP after ensuring it is not NULL.
3893 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3895 PR tree-optimization/52286
3896 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3897 optimization use double_int_to_tree instead of build_int_cst_wide,
3898 rewrite to use double_int vars.
3900 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3903 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3905 Remove -e 0 from $gcc_cv_ld invocation.
3906 Only use __GLIBC_PREREQ if defined.
3907 Enable on Solaris since Solaris 8 patch.
3908 (gcc_SUN_LD_VERSION): New macro.
3909 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3910 gcc_SUN_LD_VERSION for version number format.
3911 * configure: Regenerate.
3912 * varasm.c (get_elf_initfini_array_priority_section): Set
3913 SECTION_NOTYPE for non-default priority.
3914 Use get_section instead of get_unnamed_section to emit
3915 .init_array/.fini_array with default priority.
3917 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3919 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3920 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3921 (mips_start_unique_function, mips_output_mips16_rdhwr)
3922 (mips_code_end): New functions.
3923 (TARGET_ASM_CODE_END): Define.
3925 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3927 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3928 to stubs with non-sibling calls.
3930 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3932 * doc/invoke.texi (-fira-* options): Copy-edit.
3933 (ira-* parameters): Copy-edit.
3935 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3937 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3938 GCC coding conventions.
3940 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3942 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3943 when used as adjectives.
3945 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3947 * doc/invoke.texi: Clean up "that"/"which" confusion.
3949 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3951 * system.h: Poison SMALL_REGISTER_CLASSES
3952 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3953 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3955 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3957 PR tree-optimization/52285
3958 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3959 when deciding if a call is a tail call or tail recursion.
3961 2012-02-16 Kai Tietz <ktietz@redhat.com>
3963 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3964 interger-constant displacement for UNSPEC_PCREL.
3966 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3968 PR rtl-optimization/52208
3969 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3970 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3972 PR tree-optimization/52255
3973 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3974 loop->header has virtual PHI, but exit_e->dest doesn't, add
3975 virtual PHI to exit_e->dest and adjust all uses after the loop.
3978 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3979 children with clone_tree_hash, not after it.
3981 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3983 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3984 extended identifiers.
3986 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3989 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3990 a same_body_alias, also test whether e->callee isn't a former
3991 or current clone of the decl this is a same body alias of.
3993 PR translation/52264
3994 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3996 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3998 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4000 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4003 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4004 force_reg instead of copy_to_reg for better optimization. Force
4005 non-register or memory operands into a register.
4007 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4009 * extend.texi: Reserve upper bits of memory model for future use.
4011 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4012 Anatoly Sokolov <aesok@post.ru>
4013 Eric Weddington <eric.weddington@atmel.com>
4016 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4017 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4018 Rewrite initializers for .macro.
4019 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4020 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4021 atxmega32d4, atxmega32x1.
4022 avrxmega4: atxmega64a3, atxmega64d3.
4023 avrxmega5: atxmega64a1, atxmega64a1u.
4024 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4025 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4026 avrxmega7: atxmega128a1, atxmega128a1u.
4027 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4028 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4029 (struct base_arch_s): Rename reserved to xmega_p.
4030 Rename reserved2 to have_rampd.
4031 (AVR_XMEGA): New define.
4032 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4033 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4034 * config/avr/predicates.md (io_address_operand): Take into
4036 (low_io_address_operand): Ditto.
4037 (high_io_address_operand): Ditto.
4038 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4039 (enabled, movhi_sp_r): Use them.
4040 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4041 cpp_define_formatted to built-in define __AVR_ARCH__.
4042 (__AVR_XMEGA__): New built-in define.
4043 (__AVR_HAVE_RAMPD__): New built-in define.
4044 (__AVR_HAVE_RAMPX__): New built-in define.
4045 (__AVR_HAVE_RAMPY__): New built-in define.
4046 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4048 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4049 (avr_option_override): Initialize them.
4050 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4051 (avr_init_expanders): Initialize them. No more block several calls.
4052 (emit_push_sfr): New static function.
4053 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4055 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4056 (avr_print_operand): Print addreeses as symbols for
4057 RAMPX, RAMPY, RAMPD, CCP.
4058 (output_movhi): Handle AVR_XMEGA when writing to SP.
4059 (avr_out_movhi_mr_r_xmega): New static function.
4060 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4061 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4062 __RAMPD__, __CCP__ as needed.
4064 * config/avr/multilib.h: Regenerate.
4065 * config/avr/t-multilib: Regenerate.
4066 * config/avr/avr-tables.opt: Regenerate.
4068 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4070 PR tree-optimization/50561
4071 * graphite-flattening.c (lst_project_loop): Do not
4072 remove old scattering dimensions after flattening.
4073 (lst_do_flatten): Likewise.
4075 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4077 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4078 __builtin_avr_map8, __builtin_avr_map16.
4079 Document __builtin_avr_insert_bits.
4081 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4082 (insert_bits): New insn.
4083 (adjust_len.map_bits): Rename to insert_bits.
4084 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4085 * avr-protos.h (avr_out_map_bits): Remove.
4086 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4087 * config/avr/constraints.md (Cxf,C0f): New.
4088 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4089 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4090 New built-in define __BUILTIN_AVR_INSERT_BITS.
4091 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4092 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4093 (avr_move_bits): Rewrite.
4094 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4096 (avr_map_op_t): New typedef.
4097 (avr_map_op): New static variable.
4098 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4099 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4100 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4101 (bdesc_3arg, avr_expand_triop_builtin): New.
4102 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4103 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4104 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4105 (avr_map_equal_p, avr_map_sig_p): Remove.
4106 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4107 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4108 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4109 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4110 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4111 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4113 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4115 * config/c6x/c6x.md (reserve_cycles): New attribute.
4116 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4117 don't reserve functional units after the branch occurs.
4119 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4122 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4123 functions into non-tm_pure functions.
4125 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4128 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4129 (iterative_hash_canonical_type): Likewise.
4130 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4133 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4135 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4136 sched-group insn, it either remains alone or the entire list is pruned.
4138 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4140 * doc/install.texi (Prerequisites): Fix grammar.
4141 (Configuration): Likewise.
4143 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4145 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4146 MPC as part of GCC before describing configuring with --with-gmp etc.
4147 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4148 sources are present.
4150 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4153 * dwarf2out.c (clone_tree_hash): New function.
4154 (copy_decls_walk): Use it instead of clone_tree.
4156 2012-02-14 Richard Guenther <rguenther@suse.de>
4158 PR tree-optimization/52244
4159 PR tree-optimization/51528
4160 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4161 replacements for integral types.
4163 2012-02-14 Walter Lee <walt@tilera.com>
4165 * config.gcc: Handle tilegx and tilepro.
4166 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4168 Add HAVE_AS_TLS check for tilegx and tilepro.
4169 * configure: Regenerate.
4170 * doc/contrib.texi: Add Mat Hostetter and self.
4171 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4172 Document instruction intrinsics and network accessing intrinsics.
4173 (TILEPro Built-in Functions): New node. Document instruction
4174 intrinsics and network accessing intrinsics.
4175 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4176 (Specific, tilepro-*-linux*): Likewise.
4177 * doc/invoke.texi (TILE-Gx Options): New section.
4178 (TILEPro Options): New section.
4179 * doc/md.texi (TILE-Gx): New section.
4180 (TILEPro): New section.
4181 * common/config/tilegx/tilegx-common.c: New file.
4182 * common/config/tilepro/tilepro-common.c: New file.
4183 * config/tilegx/constraints.md: New file.
4184 * config/tilegx/linux.h: New file.
4185 * config/tilegx/mul-tables.c: New file.
4186 * config/tilegx/predicates.md: New file.
4187 * config/tilegx/sync.md: New file.
4188 * config/tilegx/t-tilegx: New file.
4189 * config/tilegx/tilegx-builtins.h: New file.
4190 * config/tilegx/tilegx-c.c: New file.
4191 * config/tilegx/tilegx-generic.md: New file.
4192 * config/tilegx/tilegx-modes.def: New file.
4193 * config/tilegx/tilegx-multiply.h: New file.
4194 * config/tilegx/tilegx-protos.h: New file.
4195 * config/tilegx/tilegx.c: New file.
4196 * config/tilegx/tilegx.h: New file.
4197 * config/tilegx/tilegx.md: New file.
4198 * config/tilegx/tilegx.opt: New file.
4199 * config/tilepro/constraints.md: New file.
4200 * config/tilepro/gen-mul-tables.cc: New file.
4201 * config/tilepro/linux.h: New file.
4202 * config/tilepro/mul-tables.c: New file.
4203 * config/tilepro/predicates.md: New file.
4204 * config/tilepro/t-tilepro: New file.
4205 * config/tilepro/tilepro-builtins.h: New file.
4206 * config/tilepro/tilepro-c.c: New file.
4207 * config/tilepro/tilepro-generic.md: New file.
4208 * config/tilepro/tilepro-modes.def: New file.
4209 * config/tilepro/tilepro-multiply.h: New file.
4210 * config/tilepro/tilepro-protos.h: New file.
4211 * config/tilepro/tilepro.c: New file.
4212 * config/tilepro/tilepro.h: New file.
4213 * config/tilepro/tilepro.md: New file.
4214 * config/tilepro/tilepro.opt: New file.
4216 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4218 PR tree-optimization/52210
4219 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4220 vect_model_simple_cost with two entry vect_def_type array instead
4221 of an address of dt.
4223 2012-02-14 Richard Guenther <rguenther@suse.de>
4226 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4227 Do not stream DECL_QUALIFIER.
4228 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4229 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4230 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4232 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4235 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4238 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4241 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4242 * cselib.c (cselib_subst_to_values_from_insn): New function.
4243 * sched-deps.c (add_insn_mem_dependence,
4244 sched_analyze_1, sched_analyze_2): Use it.
4246 2012-02-13 Jan Hubicka <jh@suse.cz>
4249 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4251 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4253 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4254 (GTM_SELF_SPECS): Define if not already defined.
4255 (driver_self_specs): Add GTM_SELF_SPECS.
4256 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4257 (GTM_SELF_SPECS): Define.
4258 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4259 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4261 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4263 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4266 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4269 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4270 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4272 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4275 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4277 2012-02-13 Richard Guenther <rguenther@suse.de>
4279 PR translation/52211
4280 * passes.c (enable_disable_pass): Fix typo.
4282 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4285 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4286 XOR for reduce_bit_field if type is unsigned.
4288 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4290 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4291 disallow changes from SFmode to mode with different size in FP regs.
4293 2012-02-12 Robert Millan <rmh@gnu.org>
4294 Gerald Pfeifer <gerald@pfeifer.com>
4296 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4299 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4301 PR rtl-optimization/52175
4302 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4303 to frame-related instructions.
4305 2012-02-10 Jason Merrill <jason@redhat.com>
4308 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4309 (demangle_new_symbols): Fill it.
4310 (scan_linker_output): Walk it.
4311 (start_tweaking): Split out from scan_linker_output.
4312 (maybe_tweak): Update sym->chosen.
4313 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4315 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4318 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4320 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4322 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4323 having the same mode as previous compare.
4325 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4327 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4328 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4329 (nonlocal_goto_internal): Likewise.
4330 (nonlocal_goto): Emit a use and an indirect jump directly.
4332 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4335 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4336 __atomic_{is,always}_lock_free.
4338 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4341 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4342 negative constant address for x32.
4344 2012-02-10 Richard Henderson <rth@redhat.com>
4346 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4347 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4348 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4350 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4351 Ira Rosen <irar@il.ibm.com>
4353 PR tree-optimization/50031
4354 * targhooks.c (default_builtin_vectorization_cost): Handle
4356 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4357 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4358 all types of reduction and pattern statements.
4359 (vect_estimate_min_profitable_iters): Likewise.
4360 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4361 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4362 for explicit realigns.
4363 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4364 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4366 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4367 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4368 vec_perm for VSX and handle vec_promote_demote.
4370 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4373 * builtins.c (fold_builtin_atomic_always_lock_free,
4374 expand_builtin_atomic_always_lock_free,
4375 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4376 Return and/or test boolean_true_node/boolean_false_node instead of
4377 integer_one_node/integer_zero_node.
4379 2012-02-10 Jan Hubicka <jh@suse.cz>
4382 * predict.c (predict_paths_for_bb): Prevent looping.
4383 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4385 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4387 * config/arm/arm.c (output_move_double): In one case properly
4388 count number of instructions that will be emitted.
4390 2012-02-10 Richard Guenther <rguenther@suse.de>
4392 PR translation/52193
4393 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4395 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4398 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4400 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4403 * var-tracking.c (emit_note_insn_var_location): If
4404 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4405 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4406 non-NOTE_DURING_CALL_P insn.
4408 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4411 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4413 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4416 * gcc.c (switch_matches) Support switches with separated form,
4419 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4421 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4423 (RAMPZ_ADDR): Ditto.
4424 * config/avr/avr.c (avr_addr_t): New typedef.
4425 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4426 (avr_init_expanders): Initialize it.
4427 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4429 (expand_epilogue): Ditto.
4430 (avr_print_operand): Ditto.
4431 (avr_file_start): Ditto.
4432 (avr_emit_movmemhi): Ditto.
4434 2012-02-08 Richard Guenther <rguenther@suse.de>
4436 PR tree-optimization/46886
4437 * tree-flow.h (do_while_loop_p): Declare.
4438 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4439 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4441 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4443 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4444 always succeed for integers larger than a native word.
4446 2012-02-08 Richard Guenther <rguenther@suse.de>
4448 PR rtl-optimization/52170
4449 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4450 properly handle integer vector modes.
4452 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4454 PR gcov-profile/52150
4455 * coverage.c: Include target.h.
4456 (build_var): Call targetm.strip_name_encoding on the assembler name.
4457 Change one _ into . or $ if the target allows it.
4458 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4460 PR rtl-optimization/52139
4461 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4462 is a BARRIER after emit_insn_after_noloc, move BB_END
4463 to the last non-BARRIER insn before it.
4465 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4468 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4469 (mips_gimplify_va_arg_expr): Call it instead of
4470 std_gimplify_va_arg_expr.
4472 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4474 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4475 message for -mno-pointers-to-nested-function.
4477 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4480 * expr.c (get_inner_reference): If there is an offset, add a negative
4481 bit position to it (if any).
4483 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4485 PR rtl-optimization/52060
4486 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4487 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4488 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4489 and/or i0src_copy2 when needed.
4491 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4493 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4494 or LTOPLUGINSONAME if have_c.
4496 * config/freebsd-spec.h: Add comment about what macros can be defined
4498 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4499 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4502 2012-02-07 Richard Guenther <rguenther@suse.de>
4504 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4505 newline in -alias dumps.
4507 2012-02-07 Kai Tietz <ktietz@redhat.com>
4508 Dave Korn <dave.korn.cygwin@gmail.com>
4511 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4512 Take care that typinfo gets dllexport-attribute.
4514 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4517 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4518 if modifier < EXPAND_SUM call force_operand on the result.
4520 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4522 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4523 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4525 (epiphany_function_type): Replace types for specific interrupts with
4526 EPIPHANY_FUNCTION_INTERRUPT.
4527 (EPIPHANY_INTERRUPT_P): Update.
4528 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4529 New static function.
4530 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4531 <disinterrupt>: Affects type identity.
4532 (epiphany_handle_interrupt_attribute): Handle variable number of
4534 (epiphany_compute_function_type): Update for new
4535 epiphany_function_type definition.
4536 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4537 handlers with a longcall forwarder.
4538 (epiphany_start_function): Handle multiple interrupt arguments and/or
4539 forwarder_section attribute.
4541 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4544 2012-02-07 Alan Modra <amodra@gmail.com>
4547 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4550 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4552 PR tree-optimization/50969
4553 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4554 use vec_perm rather than vector_stmt.
4555 (vect_model_load_cost): Likewise.
4556 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4557 vec_perm to be the same as other vector statements.
4558 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4559 cost of vec_perm for TARGET_VSX.
4561 2012-02-06 Richard Guenther <rguenther@suse.de>
4563 PR tree-optimization/52115
4564 * tree-sra.c (access_has_replacements_p): New function.
4565 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4567 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4570 * trans-mem.c (expand_call_tm): Add an assertion.
4571 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4574 2012-02-06 Richard Guenther <rguenther@suse.de>
4576 PR tree-optimization/50955
4577 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4578 raise cost of expressions that replace an address with an
4579 expression based on a different pointer.
4581 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4584 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4585 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4587 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4590 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4591 -Weffc++ and specify guidelines come from second edition.
4593 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4595 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4596 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4597 (call_direct_split, call_value_split, call_value_internal_direct)
4598 (call_value_direct_split, call_value_multiple_split): Use jal and
4599 jal_macro attributes.
4601 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4603 * reload1.c (reload_regs_reach_end_p): Replace with...
4604 (reload_reg_rtx_reaches_end_p): ...this function.
4605 (new_spill_reg_store): Update commentary.
4606 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4607 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4608 before setting new_spill_reg_store.
4609 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4610 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4611 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4612 for non-spill reload registers.
4614 2012-02-05 Ira Rosen <irar@il.ibm.com>
4616 PR tree-optimization/52091
4617 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4618 (vect_is_simple_use_1): Likewise.
4619 * tree-vect-loop.c (vectorizable_reduction): Update calls
4620 to vect_is_simple_use_1 and vect_is_simple_use.
4621 (vectorizable_live_operation): Likewise.
4622 * tree-vect-patterns.c (widened_name_p,
4623 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4624 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4625 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4626 vectorizable_shift,vectorizable_operation, vectorizable_store,
4627 vectorizable_load): Likewise.
4628 (vect_is_simple_cond): Add an argument, pass it to
4629 vect_is_simple_use_1.
4630 (vectorizable_condition): Update calls to vect_is_simple_cond,
4632 (vect_is_simple_use): Add an argument, the statement in which
4633 OPERAND is used. Check that if OPERAND's def stmt is a double
4634 reduction phi node, the use is a phi node too.
4635 (vect_is_simple_use_1): Add an argument, pass it to
4637 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4638 to vect_is_simple_use.
4640 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4642 PR rtl-optimization/52095
4643 * modulo-sched.c (dump_insn_locator): New function.
4644 (loop_canon_p, sms_schedule): Use it.
4646 PR rtl-optimization/52113
4647 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4648 even for decomposable shift/zext insns.
4650 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4651 Zdenek Dvorak <ook@ucw.cz>
4653 PR rtl-optimization/52092
4654 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4655 on get_iv_value result.
4657 2012-02-02 Andrew Pinski <apinski@cavium.com>
4661 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4663 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4666 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4668 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4670 PR rtl-optimization/49800
4671 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4672 (sched_finish): Call regstat_free_n_sets_and_refs.
4674 2012-02-02 Jia Liu <proljc@gmail.com>
4676 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4679 2012-02-02 Jan Hubicka <jh@suse.cz>
4680 Tom de Vries <tom@codesourcery.com>
4683 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4684 * varpool.c (varpool_analyze_pending_decls): Likewise.
4686 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4687 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4689 * config.gcc: Add cr16-* support.
4691 * doc/extend.texi: Document cr16 extensions.
4692 * doc/install.texi: Document cr16 install.
4693 * doc/invoke.texi: Document cr16 options.
4694 * doc/md.texi: Document cr16 constraints.
4696 * common/config/cr16/cr16-common.c: New file.
4697 * config/cr16/cr16.c: New file.
4698 * config/cr16/cr16.h: New file.
4699 * config/cr16/cr16.md: New file.
4700 * config/cr16/cr16.opt: New file.
4701 * config/cr16/cr16-protos.h: New file.
4702 * config/cr16/predicates.md: New file.
4703 * config/cr16/constraints.md: New file.
4704 * config/cr16/t-cr16: New file.
4706 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4709 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4710 that operands[2] is either immediate, or q_regs_operand.
4712 PR tree-optimization/52073
4713 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4714 a pattern stmt for pattern uses, ignore uses outside of the loop.
4716 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4718 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4719 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4720 (OUT_AS1, OUT_AS2): Remove.
4722 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4724 PR rtl-optimization/51374
4725 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4726 to cross other volatile_refs_p insns.
4728 2012-02-01 Richard Guenther <rguenther@suse.de>
4730 * doc/invoke.texi (fno-inline): Clarify documentation.
4731 (finline-small-functions): Likewise.
4732 (finline-functions): Likewise.
4733 * common.opt (finline): Adjust comment and documentation.
4734 (finline-small-functions): Clarify documentation.
4735 (finline-functions): Likewise.
4736 (finline-functions-called-once): Likewise.
4738 2012-02-01 Tristan Gingold <gingold@adacore.com>
4740 * c-typeck.c (composite_type): Keep mode for pointers.
4742 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4744 * function.h (regno_reg_rtx): Adjust comment.
4745 * reginfo.c (init_reg_modes_target): Only use the previous mode
4746 if it fits within one register. Remove MIPS comment.
4748 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4751 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4753 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4755 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4756 to srak instruction.
4758 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4760 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4762 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4767 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4769 2012-01-31 Richard Guenther <rguenther@suse.de>
4771 PR tree-optimization/51528
4772 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4775 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4780 * ree.c (add_removable_extension): Change def_map argument
4781 to unsigned *, store in def_map 1 + offset into *insn_list vector
4782 instead of pointers into the vector.
4783 (find_removable_extensions): Adjust caller.
4785 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4787 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4788 Transform all "* quoted-c-code" to { c-code }.
4789 Remove redundant test for "optimize" in combine patterns.
4790 Move (include "avr-dimode.md") to end of file.
4792 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4795 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4796 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4798 2012-01-30 Richard Guenther <rguenther@suse.de>
4800 PR tree-optimization/52028
4801 * tree-loop-distribution.c (ldist_gen): Properly update
4804 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4807 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4808 set_cur_line_info_table if not emitting debug info.
4810 PR tree-optimization/52046
4811 * tree-vect-patterns.c (check_bool_pattern): Give up if
4812 a comparison could throw.
4815 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4817 2012-01-30 Richard Guenther <rguenther@suse.de>
4819 PR tree-optimization/52045
4820 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4821 SSA form if cfgcleanup did anything.
4823 2012-01-30 Richard Guenther <rguenther@suse.de>
4825 PR tree-optimization/52045
4826 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4827 before computing final todo.
4829 2012-01-30 Richard Guenther <rguenther@suse.de>
4831 PR tree-optimization/51528
4832 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4835 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4837 * df-problems.c (df_kill_notes): Check that the use refers
4838 to the note under examination.
4840 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4843 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4844 parameter and use short-lived pseudos.
4845 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4846 (sparc_expand_vector_init): Const-ify local variables and adjust
4847 calls to above functions.
4849 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4851 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4853 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4855 * doc/invoke.texi: Make usage of "compile time" and
4856 "run time"/"runtime" consistent throughout the file.
4858 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4860 * config/alpha/alpha.c (alpha_option_override): Default to
4861 full IEEE compliance mode for Go language.
4863 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4865 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4866 (LINK_SSP_SPEC): Define.
4868 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4871 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4874 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4876 * doc/invoke.texi: Correct hyphenation of "floating point",
4877 "double precision", and related terminology throughout the file.
4879 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4882 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4883 arm_general_register_operand predicate for operand 2 instead of
4886 2012-01-27 Ian Lance Taylor <iant@google.com>
4889 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4890 * builtins.c (expand_builtin_init_trampoline): Add onstack
4891 parameter. Change caller.
4892 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4893 * tree.c (build_common_builtin_nodes): Declare
4894 __builtin_init_heap_trampoline.
4896 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4898 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4899 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4900 * config/avr/avr.c: Ditto.
4901 (avr_regnames): Remove because unused.
4902 * config/avr/avr.md (*cpse.ne): New peephole.
4903 (*cpse.eq): New peephole from former cpse peepholes.
4905 2012-01-27 Michael Eager <eager@eagercon.com>
4907 * config/microblaze.c (microblaze_emit_compare): Correct
4908 test after pcmp instruction.
4910 2012-01-27 Richard Guenther <rguenther@suse.de>
4912 PR tree-optimization/52020
4913 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4915 2012-01-27 Richard Guenther <rguenther@suse.de>
4917 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4918 function non-const/pure.
4920 2012-01-27 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/50444
4923 * tree-sra.c (build_ref_for_offset): Properly adjust the
4924 MEM_REF type for unaligned accesses.
4926 2012-01-27 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/50444
4929 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4930 (expand_assignment): Use it. Properly handle misaligned
4931 bases when expanding stores to component references.
4932 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4935 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4938 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4939 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4940 * tree-data-ref.c (find_data_references_in_loop): Make static.
4941 (compute_all_dependences): Change return type to bool. Bail out
4942 for too many datarefs in a loop. Move the hunk resetting the data
4943 dependences vector from ...
4944 (compute_data_dependences_for_loop): ... here. Account for
4945 compute_all_dependences returning false.
4946 (compute_data_dependences_for_bb): Likewise.
4947 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4948 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4950 2012-01-27 Richard Guenther <rguenther@suse.de>
4953 * expr.c (store_field): Use the alias-set of the scratch memory
4956 2012-01-27 Tom de Vries <tom@codesourcery.com>
4958 PR tree-optimization/51990
4959 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4961 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4963 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4966 * var-tracking.c (reverse_op): Don't add any reverse operation
4967 if V already has any constant locations.
4969 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4971 * doc/invoke.texi: Correct usage of "command line" (noun)
4972 vs "command-line" (adjective) throughout.
4974 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4976 * doc/invoke.texi (Language Independent Options): Move
4977 -Wcoverage-mismatch blurb from here....
4978 (Warning Options): ...to here.
4980 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4982 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4983 Set rs6000_always_hint to false for 476.
4985 2012-01-27 Matthias Klose <doko@ubuntu.com>
4987 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4989 * incpath.c (add_standard_paths): Likewise.
4991 2012-01-27 Richard Henderson <rth@redhat.com>
4993 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4994 * config/m68k/sync.md (atomic_test_and_set): Rename from
4995 sync_test_and_setqi and adjust the operands.
4996 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4997 and unconditionally enable.
4999 2012-01-27 Richard Henderson <rth@redhat.com>
5001 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5002 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5003 (ldstub): Rename from ldstubqi.
5004 (ldstub<I24MODE>): Remove.
5006 2012-01-27 Richard Henderson <rth@redhat.com>
5008 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5009 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5010 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5011 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5012 * doc/tm.texi: Rebuild.
5014 2012-01-27 Richard Henderson <rth@redhat.com>
5016 * optabs.c (gen_atomic_test_and_set): Remove default.
5017 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5019 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5021 PR rtl-optimization/51978
5022 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5023 (combine_reaching_defs): Likewise.
5024 (struct re_info): Remove.
5025 (add_removable_extension): Remove x and data arguments,
5026 add insn, insn_list and def_map. Use the arguments directly
5027 instead of using struct re_info.
5028 (find_removable_extensions): Don't call add_removable_extension
5029 through note_stores, instead just call it with single_set
5031 (find_and_remove_re): Pass curr_cand->expr instead of
5032 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5034 2012-01-26 Michael Matz <matz@suse.de>
5036 PR tree-optimization/46590
5037 * cfgexpand.c: Revert last change (r183305).
5038 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5040 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5041 checking for emptiness.
5043 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5046 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5047 non-addressable non-BLKmode base correctly.
5049 2012-01-26 Michael Matz <matz@suse.de>
5051 PR tree-optimization/48794
5052 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5053 regions referenced from RESX/EH_DISPATCH.
5055 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5057 * config/s390/s390.h: Make BRANCH_COST an option.
5058 * config/s390/s390.opt: New option -mbranch-cost.
5060 2012-01-26 Richard Henderson <rth@redhat.com>
5062 Revert 2012-01-24 change:
5063 * trans-mem.c (requires_barrier): Do not instrument thread local
5064 variables and emit save/restore for them.
5066 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5069 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5072 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5074 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5077 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5080 Rename __pgm to __flash.
5081 Rename __pgm1 to __flash1.
5082 Rename __pgm2 to __flash2.
5083 Rename __pgm3 to __flash3.
5084 Rename __pgm4 to __flash4.
5085 Rename __pgm5 to __flash5.
5086 Rename __pgmx to __memx.
5087 * doc/extend.texi (AVR Named Address Spaces)
5088 Rename address space names as indicated above.
5089 * config/avr/avr.c (avr_addrspace): Ditto.
5091 * config/avr/avr-protos.h
5092 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5093 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5094 * config/avr/predicates.md: Ditto.
5095 * config/avr/avr.c Ditto, and
5096 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5097 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5099 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5100 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5101 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5102 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5103 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5104 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5105 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5106 * config/avr/avr.c: Ditto.
5107 * config/avr/avr.md: Ditto.
5109 2012-01-25 Jason Merrill <jason@redhat.com>
5112 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5114 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5116 PR tree-optimization/51987
5117 * tree-data-ref.c (get_references_in_stmt): Handle references in
5118 non-volatile GIMPLE_ASM.
5120 2012-01-25 Richard Guenther <rguenther@suse.de>
5122 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5123 bases are dereferenced.
5125 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5127 PR rtl-optimization/48374
5128 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5130 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5132 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5133 compute_data_dependences_for_loop returns false.
5134 * tree-parloops.c (loop_parallel_p): Likewise.
5136 2012-01-25 Richard Guenther <rguenther@suse.de>
5138 * tree.h (get_pointer_alignment_1): Declare.
5139 * builtins.c (get_pointer_alignment_1): New function.
5140 (get_pointer_alignment): Use it.
5142 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5144 PR rtl-optimization/48308
5145 * combine.c (enum undo_kind): Add UNDO_LINKS.
5146 (struct undo): Add member l to other_contents and where.
5147 (do_SUBST_LINK): New.
5149 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5150 (undo_all): Handle UNDO_LINKS.
5152 2012-01-25 Richard Henderson <rth@redhat.com>
5154 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5157 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5159 * optabs.c (gen_atomic_test_and_set): Use each argument.
5161 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5163 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5164 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5165 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5166 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5167 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5168 TARGET_PAIRED_SINGLE_FLOAT.
5170 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5172 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5173 (in_struct, return_val): Remove MEM documentation.
5174 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5175 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5176 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5178 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5179 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5180 * expr.c (store_field): Likewise.
5181 * function.c (assign_stack_temp_for_type): Likewise.
5182 * ifcvt.c (noce_try_cmove_arith): Likewise.
5183 * reload1.c (reload): Likewise.
5184 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5185 (alpha_set_memflags): Likewise.
5186 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5188 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5190 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5192 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5193 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5194 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5196 * cselib.c (cselib_rtx_varies_p): Delete.
5197 (cselib_invalidate_mem): Update call to canon_true_dependence.
5198 * dse.c (record_store, check_mem_read_rtx): Likewise.
5199 (scan_reads_nospill): Likewise.
5200 * cse.c (check_dependence): Likewise.
5201 (cse_rtx_varies_p): Delete.
5202 * expr.c (safe_from_p): Update call to true_dependence.
5203 * ira.c (validate_equiv_mem_from_store): Likewise.
5204 (memref_referenced_p): Likewise.
5205 * postreload-gcse.c (find_mem_conflicts): Likewise.
5206 * sched-deps.c (sched_analyze_2): Likewise.
5207 * store-motion.c (load_kills_store): Likewise.
5208 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5209 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5210 (compute_transp): Update call to canon_true_dependence.
5212 2012-01-25 Richard Henderson <rth@redhat.com>
5214 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5215 (maybe_emit_atomic_test_and_set): New.
5216 (expand_sync_lock_test_and_set): Use it.
5217 (expand_atomic_test_and_set): Likewise.
5218 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5219 the implementation; clarify implementation defined details.
5220 * doc/md.texi (atomic_test_and_set): Document.
5222 2012-01-25 Richard Henderson <rth@redhat.com>
5224 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5226 2012-01-25 Richard Henderson <rth@redhat.com>
5229 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5230 to effect no-op split.
5232 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5235 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5236 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5237 (BT_FN_VOID_PTR_INT_SIZE): New.
5238 (BT_FN_UINT_UINT_VAR): Remove.
5239 (BT_FN_UINT32_UINT32_VAR): New.
5240 (BT_FN_DOUBLE_VPTR): Remove.
5241 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5243 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5244 (_ITM_changeTransactionMode): Same.
5245 (_ITM_memmoveRtWt): Change return type to void.
5246 (_ITM_memcpyRtWt): Same.
5247 (_ITM_memsetW): Same.
5248 (_ITM_RaRD): Change types to double.
5253 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5255 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5256 Patrick Marlier <patrick.marlier@gmail.com>
5258 * trans-mem.c (requires_barrier): Do not instrument thread local
5259 variables and emit save/restore for them.
5261 2012-01-24 Jason Merrill <jason@redhat.com>
5264 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5265 output static aliases.
5267 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5270 * common.opt (-pie, -shared, pie, shared): Change from Common to
5272 * gcc.c (display_help): Display help for -pie and -shared.
5274 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5277 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5278 Remove note on size/offset limitation.
5279 (AVR Variable Attributes): Add example how to read data located
5280 with progmem. Refer to named address spaces.
5281 * doc/invoke.texi (AVR Options): Fix typo.
5283 2012-01-24 Richard Guenther <rguenther@suse.de>
5285 Forward-port to trunk
5286 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5289 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5290 op0 isn't sufficiently aligned and there is movmisalignM
5291 insn for mode, use it to load op0 into a temporary register.
5293 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5296 * target.def (const_not_ok_for_debug_p): New hook.
5297 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5299 * doc/tm.texi: Regenerated.
5300 * dwarf2out.c (const_ok_for_output_1): If
5301 targetm.const_not_ok_for_debug_p returns true, fail.
5302 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5304 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5306 2012-01-23 Kai Tietz <ktietz@redhat.com>
5309 * config/i386/predicates.md (symbolic_operand): Allow
5310 UNSPEC_PCREL as PIC expression for lea.
5311 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5312 * config/i386/i386.c (ix86_delegitimize_address): Handle
5313 UNSPEC_PCREL for none-MEM, too.
5315 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5317 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5318 (ipa_tm_create_version_alias): Same.
5320 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5323 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5324 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5326 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5327 Patrick Marlier <patrick.marlier@gmail.com>
5328 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5331 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5332 simple_object_start_read.
5334 2012-01-23 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/51895
5338 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5339 parameter decomposition into BLKmode components.
5341 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5343 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5344 fake variables for restrict-qualified pointers whose pointed-to type
5345 contains a placeholder.
5347 2012-01-23 Richard Guenther <rguenther@suse.de>
5349 PR tree-optimization/51949
5350 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5352 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5354 PR rtl-optimization/51933
5355 * ree.c (transform_ifelse): Return true right away if dstreg is
5356 already wider or equal to cand->mode.
5357 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5358 (make_defs_and_copies_lists): Remove defs_list and copies_list
5359 arguments, add state argument, just truncate state->work_list
5360 instead of always allocating and freeing the vector. Assert that
5361 get_defs succeeds instead of returning 2. Changed return type to bool.
5362 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5363 have ext_src_mode, see if it has been modified already with the
5364 right kind of extension and has been extended before from the
5365 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5366 just return true. Remember the original mode in state->modified array.
5367 (combine_reaching_defs): Add state argument. Don't allocate and
5368 free here def_list, copied_list and vec vectors, instead just
5369 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5370 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5371 Add state variable, clear vectors in it, initialize state.modified
5372 if needed. Free all the vectors at the end and state.modified too.
5373 Don't skip a candidate if the extension expression has been modified.
5375 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5378 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5379 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5380 (extra_options) interix.opt -> i386/interix.opt"
5381 (extra_objs):Add winnt-stubs.o
5382 * configure.ac: Add interix to target_os .comm on PE check.
5383 * configure: Regenerate.
5384 * config/interix3.h: Delete and move bits to..
5385 * config/interix.h: Delete and move bits to..
5386 * config/i386/i386-interix3.h: Delete and move bits to..
5387 * config/i386/i386-interix.h: ..here.
5388 (TARGET_CPU_DEFAULT): Remove redefinition.
5389 (TARGET_ASM_CONSTRUCTOR): Undefine.
5390 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5391 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5392 (PTRDIFF_TYPE): Define.
5393 (LONG_DOUBLE_TYPE_SIZE): Define.
5394 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5395 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5396 (TARGET_SECTION_TYPE_FLAGS): Define.
5397 (ASM_DECLARE_FUNCTION_NAME): Define.
5398 (ASM_OUTPUT_EXTERNAL): Define.
5399 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5400 (ASM_OUTPUT_ALIGNED_BSS): Define.
5401 (PCC_BITFIELD_TYPE_MATTERS): Define.
5402 (USE_CONST_SECTION): Define.
5403 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5404 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5405 (SUPPORTS_ONE_ONLY): Remove.
5406 (I386_PE_STRIP_ENCODING): Define.
5407 * config/interix.opt: Delete and move bits to..
5408 * config/i386/interix.opt: ..here. New.
5409 (mpe-aligned-commons): Add.
5410 * config/i386/t-interix: Add copyright header.
5411 (winnt-stubs.o): Add rule.
5413 2012-01-22 Jason Merrill <jason@redhat.com>
5416 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5417 for extra name aliases.
5419 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5421 PR rtl-optimization/51924
5422 * ree.c (combine_set_extension): Improve debugging message.
5423 (combine_reaching_defs): Likewise.
5424 (get_defs): Rename confusingly named variable.
5425 (find_and_remove_re): Skip a candidate if the extension expression has
5428 2012-01-21 Robert Millan <rmh@gnu.org>
5429 Gerald Pfeifer <gerald@pfeifer.com>
5431 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5432 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5434 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5436 PR tree-optimization/51914
5437 * tree-vect-stmts.c (vectorizable_conversion): For
5438 cvt_type && modifier == WIDEN, put temporary with cvt_type
5439 at the beginning of vec_dsts and set vec_dest to temporary
5442 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5444 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5446 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5448 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5449 * config/rs6000/rs6000.c: Likewise.
5451 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5454 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5455 output_move_double on a copy of operands array.
5457 2012-01-20 Cary Coutant <ccoutant@google.com>
5458 Dodji Seketeli <dodji@redhat.com>
5461 * dwarf2out.c (copy_declaration_context): Return ref to parent
5462 of declaration DIE, if necessary.
5463 (remove_child_or_replace_with_skeleton): Add new parameter; update
5464 caller. Place skeleton DIE under parent DIE of original declaration.
5465 Move call to copy_declaration_context to here ...
5466 (break_out_comdat_types): ... from here.
5468 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5470 PR rtl-optimization/51856
5471 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5474 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5477 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5478 hints for neon loads and stores.
5480 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5484 * doc/extend.texi (Named Address Spaces): Split into subsections.
5485 (AVR Named Address Spaces): New subsection.
5486 (M32C Named Address Spaces): New subsection.
5487 (RL78 Named Address Spaces): New subsection.
5488 (SPU Named Address Spaces): New subsection.
5489 (Variable Attributes): New anchor "AVR Variable Attributes".
5490 (AVR Variable Attributes): Rewrite and avoid wording
5491 "address space" in this context.
5492 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5493 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5494 (AVR Built-in Macros): New subsubsection therein.
5495 * doc/md.texi (AVR constraints): Remove "C04", "R".
5497 2012-01-20 Richard Guenther <rguenther@suse.de>
5499 PR tree-optimization/51903
5500 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5501 when removing stmts.
5503 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5506 * config/arm/arm.c (arm_load_pic_register): Use
5507 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5508 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5509 (arm_pic_static_addr): Likewise.
5510 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5511 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5512 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5513 (pic_load_addr_unified): New.
5515 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5518 * function.c (instantiate_virtual_regs_in_insn): Use
5519 delete_insn_and_edges when removing a wrong asm insn.
5521 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5523 PR rtl-optimization/40761
5524 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5525 Add new member loop_num.
5526 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5527 (ira_build): Remove the parameter.
5529 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5530 (ira.c): Do not build CFG loops for one region allocation. Remove
5531 argument from ira_build call.
5533 * ira-build.c (init_loop_tree_node): New function.
5534 (create_loop_tree_nodes): Use it. Separate the case when CFG
5535 loops are not built.
5536 (more_one_region_p): Check current_loops.
5537 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5539 (add_loop_to_tree): Process loop equal to NULL too.
5540 (form_loop_tree): Separate the case when CFG loops are not built.
5541 Use explicitly number for the root.
5542 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5544 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5545 instead of loop->num.
5546 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5547 (mark_all_loops_for_removal): Ditto.
5548 (remove_unnecessary_regions): Separate the case when CFG loops
5550 (ira_build): Remove the parameter. Use explicit number of regions
5551 when CFG loops are not built.
5553 * ira-color.c (print_loop_title): Separate the case for the root node.
5554 Use loop_num instead of loop->num.
5555 (move_spill_restore): Use loop_num instead of loop->num.
5557 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5558 (change_loop): Ditto.
5559 (change_loop): Use loop_num instead of loop->num.
5561 * ira-lives.c (process_bb_node_lives): Ditto.
5563 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5565 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5567 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5570 * tree-mudflap.c (mf_artificial): New function.
5571 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5572 mx_register_decls, mudflap_enqueue_decl): Use it.
5575 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5576 numbers in the insn pattern.
5578 2012-01-19 Michael Matz <matz@suse.de>
5580 PR tree-optimization/46590
5581 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5582 use it in remembering which conflicts we already created.
5583 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5586 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5589 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5590 (merge_and_complain): Same.
5592 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5595 * config/initfini-array.h: Guard content of the header
5596 with #ifdef HAVE_INITFINI_ARRAY.
5597 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5598 Add initfini-array.h to tm_file here.
5599 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5600 * config.gcc: Don't add initfini-array.h to tm_file here.
5601 * configure: Regenerated.
5603 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5605 PR rtl-optimization/51505
5606 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5607 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5608 (df_note_bb_compute): Update the call to df_kill_notes.
5610 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5612 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5614 2012-01-18 Richard Guenther <rguenther@suse.de>
5616 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5617 of conversions to void *.
5619 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5620 Richard Sandiford <rdsandiford@googlemail.com>
5624 * optabs.h (simplify_expand_binop): Declare.
5625 * optabs.c (simplify_expand_binop): Make global.
5626 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5627 endian targets if the source cannot be exactly covered by word
5630 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5633 * hard-reg-set.h (struct hard_reg_set_container): New type.
5634 * target.h (struct hard_reg_set_container): Forward declare.
5635 * target.def (set_up_by_prologue): New target hook.
5636 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5637 * doc/tm.texi: Regenerated.
5638 * function.c (thread_prologue_and_epilogue_insns): Change
5639 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5640 Call targetm.set_up_by_prologue on it.
5641 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5642 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5644 2012-01-17 Nick Clifton <nickc@redhat.com>
5646 * config/rx/rx.c (rx_can_use_simple_return): New function.
5647 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5648 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5650 2012-01-17 Richard Guenther <rguenther@suse.de>
5653 * expr.c (expand_assignment): Take address-space information
5654 from the address operand of MEM_REF and TARGET_MEM_REF.
5655 (expand_expr_real_1): Likewise.
5657 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5659 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5660 reload dump is requested.
5662 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5665 * trans-mem.c (requires_barrier): Call may_be_aliased.
5667 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5669 PR tree-optimization/51877
5670 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5671 call arguments and fndecls compare equal, instead return false if they
5672 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5673 both SSA_NAMEs that are valueized the same, or they satisfy
5676 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5678 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5680 * configure: Regenerate.
5682 2012-01-16 Jan Hubicka <jh@suse.cz>
5686 * convert.c (convert_to_integer): Use fold_convert for
5687 converting an INTEGER_CST to integer type.
5689 2012-01-16 Jason Merrill <jason@redhat.com>
5692 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5694 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5697 * config/s390/s390.c (s390_chunkify_start): Don't skip
5698 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5699 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5700 If insn is followed by NOTE_INSN_VAR_LOCATION or
5701 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5702 Don't use location of note insns.
5704 PR tree-optimization/51865
5705 * tree-inline.c (tree_function_versioning): Call remap_decl
5706 on DECL_RESULT whenever it has VOID_TYPE_P type.
5708 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5710 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5711 for calls to locally-binding MIPS16 functions if only the return
5712 type uses float regs.
5714 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5715 Richard Sandiford <rdsandiford@googlemail.com>
5717 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5718 (SYMBOL_32_HIGH): Likewise.
5719 (mips_output_tls_reloc_directive): Declare.
5720 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5721 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5722 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5723 (mips_lo_relocs, mips_hi_relocs): Make extern.
5724 (mips16_stub_function): Move up file.
5725 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5726 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5727 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5728 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5729 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5730 (mips_get_tp): Add MIPS16 support.
5731 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5732 Generalize DTPREL and TPREL handling.
5733 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5734 Add MIPS16 TLS support.
5735 (mips_output_tls_reloc_directive): New function.
5736 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5737 * config/mips/predicates.md (symbolic_operand_with_high)
5738 (tls_reloc_operand): New predicates.
5739 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5740 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5741 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5742 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5743 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5744 (*tls_get_tp_mips16_call_<mode>): Likewise.
5746 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5748 PR rtl-optimization/51821
5749 * recog.c (peep2_find_free_register): Determine clobbered registers
5752 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5755 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5756 * config/avr/avr.c: Likewise.
5757 * config/avr/avr.h: Likewise.
5759 2012-01-13 Ian Lance Taylor <iant@google.com>
5762 * tree.h (TYPE_QUALS): Add cast to int.
5763 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5765 2012-01-13 Ian Lance Taylor <iant@google.com>
5767 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5768 comparing param_index to VEC_length result.
5770 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5772 * c-decl.c: Do not include tree-mudflap.h
5773 * tree-optimize.c: Likewise.
5774 * Makefile.in: Update dependencies.
5776 2012-01-13 Richard Guenther <rguenther@suse.de>
5779 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5780 variable-sized result always use RSO.
5782 2012-01-12 DJ Delorie <dj@redhat.com>
5784 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5785 pointer type, not just the default pointer type.
5787 2012-01-09 Richard Henderson <rth@redhat.com>
5788 Denis Chertykov <chertykov@gmail.com>
5791 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5792 * config/avr/avr.c (avr_can_eliminate): Simplify.
5793 (avr_initial_elimination_offset): Likewise.
5794 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5795 (expand_epilogue): Likewise.
5796 (avr_legitimize_address): Gut.
5797 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5798 (avr_hard_regno_nregs): New.
5799 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5800 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5801 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5802 add soft frame pointer.
5803 (CALL_USED_REGISTERS): Likewise.
5804 (REG_CLASS_CONTENTS): Likewise.
5805 (REGISTER_NAMES): Likewise.
5806 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5807 (HARD_FRAME_POINTER_REGNUM): New.
5808 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5809 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5810 remove the HARD_FRAME_POINTER self-elimination.
5812 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5815 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5816 DECL_EXTERNAL when checking for initializers of progmem variables.
5818 2012-01-12 Ira Rosen <irar@il.ibm.com>
5820 PR tree-optimization/51799
5821 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5822 that the last operation is a type demotion.
5824 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5826 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5827 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5829 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5832 * combine.c (distribute_notes): If i3 is a noreturn call,
5833 allow old_size to be equal to args_size and make sure the
5834 noreturn call gets REG_ARGS_SIZE note.
5835 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5836 on noreturn calls even when the delta is 0.
5838 2012-01-11 Nathan Sidwell <nathan@acm.org>
5840 * gcov.c (STRING_SIZE): Remove.
5841 (generate_results): Erase annotations for source files with no
5842 coverage information.
5844 (output_lines): Use it.
5846 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5848 * gimple.h (gimplify_body): Remove first argument.
5849 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5850 pointer set here, instead just pass DATA to walk_tree.
5851 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5852 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5853 (unvisit_body): Likewise, but with unmark_visited.
5854 (gimplify_body): Remove BODY_P argument and adjust.
5855 (gimplify_function_tree): Adjust call to gimplify_body.
5856 * omp-low.c (finalize_task_copyfn): Likewise.
5858 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5860 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5861 (build_function_type_skip_args): Delete.
5862 * tree.c (build_function_type_skip_args): Make static and add
5863 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5864 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5865 pass it to build_function_type_skip_args.
5866 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5867 (tree_function_versioning): Likewise.
5868 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5869 build_function_decl_skip_args.
5870 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5871 and pass it to build_function_decl_skip_args/tree_function_versioning.
5872 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5873 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5874 * trans-mem.c (ipa_tm_create_version): Likewise.
5875 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5876 * tree-inline.c (declare_return_variable): Remove always-true test.
5877 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5878 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5879 * ipa-split.c (split_function): Skip the return value for the split
5880 part if it doesn't return.
5882 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5884 PR tree-optimization/49642
5885 * ipa-split.c (forbidden_dominators): New variable.
5886 (check_forbidden_calls): New function.
5887 (dominated_by_forbidden): Likewise.
5888 (consider_split): Check for forbidden dominators.
5889 (execute_split_functions): Initialize and free forbidden
5890 dominators info; call check_forbidden_calls.
5892 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5894 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5896 2012-01-11 Nick Clifton <nickc@redhat.com>
5898 * config/rx/rx.md (return): Define pattern.
5900 2012-01-11 Richard Guenther <rguenther@suse.de>
5902 * doc/extend.texi (malloc attribute): Adjust according to
5905 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5906 Patrick Marlier <patrick.marlier@gmail.com>
5909 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5910 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5911 (ipa_tm_note_irrevocable): Same.
5912 (ipa_tm_scan_irr_block): Same.
5913 (ipa_tm_decrement_clone_counts): Same.
5914 (ipa_tm_scan_irr_function): Same.
5915 (ipa_tm_create_version_alias): Same.
5916 (ipa_tm_create_version): Same.
5917 (ipa_tm_transform_calls_redirect): Same.
5918 (ipa_tm_transform_calls): Same.
5919 (ipa_tm_transform_transaction): Same.
5920 (ipa_tm_execute): Same.
5922 2012-01-10 Richard Guenther <rguenther@suse.de>
5925 * opts.c (common_handle_option): Handle -Werror.
5927 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5929 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5932 2012-01-10 Jason Merrill <jason@redhat.com>
5934 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5937 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5939 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5940 supports R_386_TLS_GD_PLT reloc.
5941 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5942 supports R_386_TLS_LDM_PLT reloc.
5943 * configure: Regenerate.
5944 * config.in: Regenerate.
5946 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5949 Extend __pgmx semantics to linearize memory.
5950 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5951 determine if code comes inline or from libgcc.
5952 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5953 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5954 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5955 (movmemx_qi, movmemx_hi): New insns.
5956 (xload_<mode>_libgcc): Rewrite to new insn condition.
5957 (xload_<mode>): Remove insns.
5958 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5959 cases that don't satisfy avr_xload_libgcc_p().
5960 (avr_addr_space_convert): Allow converting in any direction.
5961 (avr_addr_space_subset_p): Return always true.
5962 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5963 (avr_emit_movmemhi): Ditto.
5964 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5965 (avr_out_movmem): Ditto.
5966 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5967 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5968 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5969 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5970 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5972 2012-01-10 Richard Guenther <rguenther@suse.de>
5974 PR tree-optimization/50913
5975 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5976 Require data-refs to be representable by Graphite with respect
5979 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5981 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5982 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5984 2012-01-10 Tom de Vries <tom@codesourcery.com>
5986 PR rtl-optimization/51271
5987 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5988 handling annulled branch.
5990 2012-01-10 Richard Henderson <rth@redhat.com>
5992 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5993 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5994 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5995 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5996 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5997 arm_expand_vec_perm_const): New.
5998 * config/arm/arm-protos.h: Update.
5999 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6000 (*neon_vswp<VDQX>): New.
6001 (neon_vcombine<VDX>): Use neon_split_vcombine.
6002 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6003 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6004 (vec_perm<VE>): New.
6006 2012-01-10 Richard Henderson <rth@redhat.com>
6008 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6009 use it if reload_completed.
6010 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6011 arm_output_asm_insn, arm_process_output_memory_barrier,
6012 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6013 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6014 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6015 arm_process_output_sync_insn, arm_output_sync_insn,
6016 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6017 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6018 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6019 (emit_unlikely_jump): New.
6020 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6021 (arm_split_atomic_op): New.
6022 * config/arm/arm-protos.h: Update.
6023 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6024 (struct arm_sync_generator): Remove.
6025 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6026 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6027 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6028 (VUNSPEC_LL, VUNSPEC_SC): New.
6029 (sync_result, sync_memory, sync_required_value, sync_new_value,
6030 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6031 (attr length): Don't use arm_sync_loop_insns.
6032 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6033 (movsfcc, movdfcc): Likewise.
6034 * config/arm/constraints.md (Ua): New.
6035 * config/arm/prediates.md (mem_noofs_operand): New.
6036 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6037 (sync_clobber, sync_t2_reqd): Remove.
6038 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6039 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6040 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6041 (arm_sync_compare_and_swap<SIDI>): Remove.
6042 (arm_sync_compare_and_swap<NARROW>): Remove.
6043 (arm_sync_lock_test_and_set<SIDI>): Remove.
6044 (arm_sync_lock_test_and_set<NARROW>): Remove.
6045 (arm_sync_new_<syncop><SIDI>): Remove.
6046 (arm_sync_new_<syncop><NARROW>): Remove.
6047 (arm_sync_new_nand<SIDI>): Remove.
6048 (arm_sync_new_nand<NARROW>): Remove.
6049 (arm_sync_old_<syncop><SIDI>): Remove.
6050 (arm_sync_old_<syncop><NARROW>): Remove.
6051 (arm_sync_old_nand<SIDI>): Remove.
6052 (arm_sync_old_nand<NARROW>): Remove.
6053 (*memory_barrier): Merge arm_output_memory_barrier.
6054 (atomic_compare_and_swap<QHSD>): New.
6055 (atomic_compare_and_swap<NARROW>_1): New.
6056 (atomic_compare_and_swap<SIDI>_1): New.
6057 (atomic_exchange<QHSD>): New.
6058 (cas_cmp_operand, cas_cmp_str): New.
6059 (atomic_op_operand, atomic_op_str): New.
6060 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6061 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6062 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6063 (arm_load_exclusive<NARROW>): New.
6064 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6065 (arm_store_exclusive<QHSD>): New.
6067 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6069 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6070 reload patterns if -mvsx-scalar-memory.
6072 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6073 generated, even -mno-vsx-scalar-double was used.
6074 (vsx_xscvdpsp_scalar): Likewise.
6075 (vsx_xscvspdp_scalar2): Likewise.
6077 2012-01-09 Tom de Vries <tom@codesourcery.com>
6078 Andrew Pinski <apinski@cavium.com>
6081 * reorg.c (fill_slots_from_thread): Don't speculate
6082 frame-related insns.
6084 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6086 * sched-int.h (bb_note): Move to...
6087 * basic-block.h: ...here.
6088 * haifa-sched.c (bb_note): Move to...
6089 * cfgrtl.c: ...here.
6090 * function.c (next_block_for_reg): New function.
6091 (move_insn_for_shrink_wrap): Likewise.
6092 (prepare_shrink_wrap): Rewrite to use the above.
6094 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6096 * gimple.c (is_gimple_non_addressable): Remove.
6097 * gimple.h: Remove is_gimple_non_addressable.
6098 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6099 is_gimple_non_addressable.
6100 * trans-mem.c (expand_assign_tm): Same.
6102 2012-01-09 Richard Guenther <rguenther@suse.de>
6104 PR tree-optimization/51775
6105 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6106 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6108 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6110 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6112 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6114 2012-01-09 Richard Guenther <rguenther@suse.de>
6116 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6118 2012-01-08 Jan Hubicka <jh@suse.cz>
6120 PR tree-optimize/51680
6121 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6122 on when known_vals needs to be computed; cleanup.
6124 2012-01-08 Jan Hubicka <jh@suse.cz>
6126 PR tree-optimize/51694
6127 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6129 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6131 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6132 for -std=c++98 and -std=c++11 too.
6134 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6136 * cfgloop.c (cancel_loop): Add free() of bbs array.
6138 2012-01-07 Jan Hubicka <jh@suse.cz>
6140 PR tree-optimization/51600
6141 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6142 that benefits small functions.
6144 2012-01-07 Jan Hubicka <jh@suse.cz>
6146 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6148 2012-01-07 Jan Hubicka <jh@suse.cz>
6150 PR tree-optimization/51680
6151 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6152 whose inlining reduce unit size.
6154 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6157 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6158 Add canonical node to containing_mem chain after the non-canonical
6159 one, even if there weren't any locs to propagate.
6160 (remove_useless_values): Keep only canonical values.
6161 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6162 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6163 canonicalize mem_chain elements that are not discarded.
6165 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6168 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6169 before emitting functions.
6171 PR gcov-profile/50127
6172 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6173 clear_aux_for_blocks.
6175 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6178 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6180 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6182 * c-decl.c (ext_block): Moved up.
6183 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6185 2012-01-06 Han Shen <shenhan@google.com>
6187 Translate built-in include paths for sysroot.
6188 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6189 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6191 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6192 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6194 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6195 control whether sysroot should be prepended to gxx include dir.
6197 * configure: Regenerate.
6199 2012-01-06 Torvald Riegel <triegel@redhat.com>
6201 PR rtl-optimization/51771
6202 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6203 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6205 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6207 PR tree-optimization/51315
6208 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6209 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6211 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6214 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6215 for shrp pattern. Correctly handle and fixup shift variable.
6216 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6218 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6221 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6222 note when !ACCUMULATE_OUTGOING_ARGS.
6224 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6226 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6228 (extract_range_from_unary_expr_1): Avoid useless computations.
6230 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6232 PR rtl-optimization/51767
6233 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6234 of jump_block and add an extra edge for degenerated asm gotos.
6237 * stmt.c (check_unique_operand_names): Don't ICE during error
6238 reporting if i is from labels chain.
6241 * profile.c (branch_prob): Split bbs that have exit edge
6242 and need a fake entry edge too.
6244 2012-01-05 Jan Hubicka <jh@suse.cz>
6247 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6250 2012-01-05 Richard Guenther <rguenther@suse.de>
6253 * tree-streamer-out.c (write_ts_optimization): New function.
6254 (streamer_write_tree_body): Call it.
6255 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6256 (streamer_read_tree_body): Call it.
6257 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6259 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6262 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6263 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6264 in_cleanup_point_expr before gimplify_stmt call and restore it
6266 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6267 in_cleanup_point_expr is false.
6269 2012-01-05 Richard Guenther <rguenther@suse.de>
6272 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6274 * toplev.c (process_options): Reject combining mudflap and LTO.
6275 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6277 2012-01-05 Richard Guenther <rguenther@suse.de>
6279 PR tree-optimization/51760
6280 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6282 (bit_value_unop): Handle UNDEFINED operands.
6283 (bit_value_binop): Likewise.
6285 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6287 * config/avr/avr.c (avr_replace_prefix): Remove.
6288 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6289 (avr_asm_function_rodata_section): Ditto.
6290 (avr_asm_select_section): Ditto.
6292 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6294 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6297 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6300 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6301 calls that have any non-fake successor edges.
6304 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6306 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6308 PR tree-optimization/51624
6309 * tree-sra.c (build_ref_for_model): When replicating a chain of
6310 COMPONENT_REFs, stop as soon as the offset would become negative.
6312 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6315 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6316 in .debug_loc on the floor.
6318 2012-01-04 Andrew Pinski <apinski@cavium.com>
6320 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6322 2012-01-04 Andrew Pinski <apinski@cavium.com>
6323 Adam Nemet <anemet@caviumnetworks.com>
6325 * config/mips/mips.md (size): Add SI and DI.
6326 (SIZE): New mode attribute.
6327 (U): New code attribute.
6328 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6329 (mips_lbux_<mode>): Delete.
6330 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6331 (mips_lhx): Use gen_mips_lhx_extsi.
6332 (mips_lhx_<mode>): Delete.
6334 (mips_l<size>x): New expand.
6335 (mips_lwx_<mode>): Delete.
6336 (mips_l<GPR:size>x_<P:mode>): New pattern.
6337 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6338 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6339 * config/mips/mips.c (mips_lx_address_p): New function.
6340 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6341 (dsp64): New availability predicate.
6342 (mips_builtins): Add an entry for __builtin_mips_ldx.
6343 * config/mips/mips.h (ISA_HAS_LBX): New define.
6344 (ISA_HAS_LBUX): Likewise.
6345 (ISA_HAS_LHX): Likewise.
6346 (ISA_HAS_LHUX): Likewise.
6347 (ISA_HAS_LWX): Likewise.
6348 (ISA_HAS_LWUX): Likewise.
6349 (ISA_HAS_LDX): Likewise.
6350 * doc/extend.texi (__builtin_mips_ldx): Document.
6352 2012-01-04 Tristan Gingold <gingold@adacore.com>
6354 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6355 when long pointers are used.
6356 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6357 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6358 (ia64-hp-*vms*): Remove.
6359 * config/vms/xm-vms64.h: Delete.
6361 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6364 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6366 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6368 * opts.c (finish_options): Remove duplicate sorry.
6370 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6373 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6376 2012-01-04 Richard Guenther <rguenther@suse.de>
6379 * tree.c (size_low_cst): New function.
6380 * tree.h (size_low_cst): Declare.
6381 * fold-const.c (fold_comparison): Use it to extract the low
6382 part of the POINTER_PLUS_EXPR offset.
6384 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6386 Fix clearing ZERO_REG
6387 * config/avr/avr.md (cc): Add alternative "ldi".
6388 (movqi_insn): Use it in cc attribute.
6389 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6390 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6391 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6393 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6395 * configure: Regenerate.
6397 2012-01-04 Richard Guenther <rguenther@suse.de>
6399 PR tree-optimization/49651
6400 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6401 (var_can_have_subvars): Use it.
6402 (get_constraint_for_1): Only consider subfields if there can be any.
6404 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6407 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6408 to its new canonical_cselib_val and the cselib_val was in
6409 first_containing_mem chain, but the canonical_cselib_val was not,
6410 add the latter into the chain.
6411 (cselib_invalidate_mem): Compare canonical_cselib_val of
6412 addr_list chain elt with v.
6415 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6416 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6418 (output_macinfo_op): Don't ggc_strdup fd->filename.
6419 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6420 then ggc_strdup it. Don't free inc->info or cur->info.
6421 (output_macinfo): Don't free ref->info or file->info.
6423 2012-01-03 Ira Rosen <irar@il.ibm.com>
6425 PR tree-optimization/51269
6426 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6427 first_niters a pointer.
6428 (slpeel_tree_peel_loop_to_edge): Likewise.
6429 (vect_do_peeling_for_loop_bound): Update call to
6430 slpeel_tree_peel_loop_to_edge.
6431 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6432 here. Remove it from the parameters list.
6433 (vect_do_peeling_for_alignment): Update calls and compute
6436 2012-01-03 Richard Guenther <rguenther@suse.de>
6438 PR tree-optimization/51070
6439 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6440 Properly handle calls.
6442 2012-01-03 Richard Guenther <rguenther@suse.de>
6444 PR tree-optimization/51692
6445 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6446 the LHS of allocation stmts.
6448 2012-01-03 Olivier Hainque <hainque@adacore.com>
6450 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6452 2012-01-03 Olivier Hainque <hainque@adacore.com>
6454 * collect2.c (main): In AIX specific computations for vector
6455 insertions, use CONST_CAST2 to cast from char ** to const char **.
6457 2012-01-03 Richard Guenther <rguenther@suse.de>
6460 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6461 the context of a limbo DIE when it does not already exist.
6463 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6465 PR tree-optimization/51719
6466 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6467 but direct call is, clear direct call's lhs and don't add fallthrough
6468 edge from dcall_bb to join_bb and PHIs.
6470 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6472 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6473 the instructions emitted by the pattern.
6474 ("*TDC_insn_<mode>"): Add comment.
6476 2012-01-03 Richard Guenther <rguenther@suse.de>
6479 * fold-const.c (fold_comparison): Properly canonicalize
6480 tree offset and HOST_WIDE_INT bit position.
6482 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6484 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6485 operands for extzv pattern.
6487 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6490 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6493 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6495 * doc/invoke.texi (-flto and related options): Copy-edit.
6497 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6499 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6501 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6503 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6506 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6508 * expr.h (move_by_pieces_ninsns): Declare.
6509 * expr.c (move_by_pieces_ninsns): Make external.
6510 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6511 (mips_store_by_pieces_p): Likewise.
6512 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6513 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6514 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6515 (mips_store_by_pieces_p): Likewise.
6517 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6519 * passes.c (register_one_dump_file): Free full_name.
6521 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6522 (calculate_elim_costs_all_insns): Free offsets_at and
6523 offsets_known_at at the end and clear the pointers.
6525 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6527 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6528 this option introduced in r180739.
6530 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6533 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6534 (tmake_file target=avr): Add avr/t-multilib.
6536 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6537 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6538 * config/avr/genmultilib.awk: New file.
6539 * config/avr/t-multilib: New auto-generated file.
6540 * config/avr/multilib.h: New auto-generated file.
6541 * config/avr/t-avr (AVR_MCUS): New variable.
6542 (genopt.sh): Use it.
6543 (s-mlib): Depend on t-multilib.
6544 (t-multilib, multilib.h): New dependencies.
6545 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6546 (MULTILIB_OPTIONS): Remove.
6547 (MULTILIB_MATCHES): Remove.
6548 (MULTILIB_DIRNAMES): Remove.
6549 (MULTILIB_EXCEPTIONS): Remove:
6550 * config/avr/genopt.sh: Don't use hard coded file name;
6551 pass AVR_MCUS from t-avr instead.
6553 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6555 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6557 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6559 Implement light-weight DImode support.
6560 * config/avr/avr-dimode.md: New file.
6561 * config/avr/avr.md: Include it.
6562 (adjust_len): Add plus64, compare64.
6563 (HIDI): Remove code iterator.
6564 (code_stdname): New code attribute.
6565 (rotx, rotsmode): Remove DI.
6566 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6568 * config/avr/avr-protos.h (avr_have_dimode): New.
6569 (avr_out_plus64, avr_out_compare64): New.
6570 * config/avr/avr.c (avr_out_compare): Handle DImode.
6571 (avr_have_dimode): New variable definition and initialization.
6572 (avr_out_compare64, avr_out_plus64): New functions.
6573 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6574 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6575 (avr_compare_pattern): Skip DImode comparisons.
6577 2012-01-02 Revital Eres <revital.eres@linaro.org>
6579 * ddg.c (def_has_ccmode_p): New function.
6580 (add_cross_iteration_register_deps,
6581 create_ddg_dep_from_intra_loop_link): Call it.
6583 2012-01-02 Richard Guenther <rguenther@suse.de>
6586 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6588 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6590 * gcc.c (process_command): Update copyright notice dates.
6591 * gcov.c (print_version): Likewise.
6592 * gcov-dump.c (print_version): Likewise.
6593 * mips-tfile.c (main): Likewise.
6594 * mips-tdump.c (main): Likewise.
6596 2012-01-01 Ira Rosen <irar@il.ibm.com>
6598 PR tree-optimization/51704
6599 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6600 a use is inside the basic block or loop before accessing its vect info.
6602 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6604 PR rtl-optimization/51069
6605 * cfgloopmanip.c (remove_path): Removing path making irreducible
6606 region unconditional makes BB part of the region.
6608 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6610 PR tree-optimization/51683
6611 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6612 calls with side-effects.
6613 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6615 Copyright (C) 2012 Free Software Foundation, Inc.
6617 Copying and distribution of this file, with or without modification,
6618 are permitted in any medium without royalty provided the copyright
6619 notice and this notice are preserved.