1 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
4 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
6 * config/i386/i386.c (memory_address_length): Assert that non-null
7 base or index RTXes are registers. Do not check for REG RTXes.
8 Determine addr32 prefix using SImode_address_operand or
9 from original base and index RTXes. Simplify code.
11 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
13 * config/i386/i386-protos.h (memory_address_length): Add new bool
14 argument. Update all uses.
15 * config/i386/i386.c (memory_address_length): If not LEA insn, then
16 add length of addr32 prefix based on mode of base or index register.
17 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
18 addresses here. Update call to memory_address_length.
19 (ix86_print_address_operand): Use SImode_address_operand predicate.
20 * config/i386/predicates.md (SImode_address_operand): New.
21 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
22 to calculate "mode" attribute. Use SImode_address_operand predicate
23 instead of open-coding accepted RTX codes.
25 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
27 Backport from 2012-10-22 trunk r192685.
28 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
29 Note __AVR_<device>__ is not defined for cores.
30 Don't point to --help=target.
31 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
33 2012-10-19 Marek Polacek <polacek@redhat.com>
35 Backported from mainline
36 2012-10-19 Marek Polacek <polacek@redhat.com>
39 * fold-const.c (fold_sign_changed_comparison): Punt if folding
40 pointer/non-pointer comparison.
42 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
44 Backported from mainline
45 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
48 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
49 sure the mode is correct when falling through from above cases.
51 2012-10-19 Alan Modra <amodra@gmail.com>
53 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
54 (HAVE_LD_LARGE_TOC): Likewise.
55 * configure: Regenerate.
57 2012-10-19 Alan Modra <amodra@gmail.com>
59 * config/rs6000/predicates.md (splat_input_operand): Don't call
60 input_operand for MEMs. Instead check for volatile and call
61 memory_address_addr_space_p with modified mode.
63 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
65 Backported from mainline
66 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
68 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
70 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
72 PR rtl-optimization/54870
73 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
74 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
75 SSA_NAME pointer that points to a partition if there is at least
76 one variable with it set in the partition.
77 * dse.c (local_variable_can_escape): New predicate.
78 (can_escape): Call it.
79 * gimplify.c (mark_addressable): If this is a partitioned decl, also
80 mark the SSA_NAME pointer that points to a partition.
82 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
84 Backport from mainline
85 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
87 PR rtl-optimization/53701
88 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
89 rocess not only expr's vinsns but all old vinsns from expr's
92 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
94 Backport from mainline
95 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
98 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
100 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
101 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
102 only if producer writes to the register given by regno.
104 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
106 Backport from mainline
107 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
109 * config/i386/sse.md (UNSPEC_MOVU): Remove.
111 (UNSPEC_STOREU): Ditto.
112 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
113 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
114 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
115 (<sse2>_movdqu<avxsizesuffix>): Split to ...
116 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
117 (<sse2>_storedqu<avxsizesuffix>): ... this.
118 (*sse4_2_pcmpestr_unaligned): Update.
119 (*sse4_2_pcmpistr_unaligned): Ditto.
121 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
122 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
123 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
124 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
125 gen_sse2_load{dqu,upd} to load from unaligned memory and
126 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
128 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
129 Use CODE_FOR_sse_loadups.
130 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
131 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
132 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
133 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
134 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
135 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
136 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
137 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
138 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
139 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
140 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
142 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
144 Backport from trunk (r190222):
146 PR tree-optimization/54146
147 * ifcvt.c: Include pointer-set.h.
148 (cond_move_process_if_block): Change type of then_regs and
149 else_regs from alloca'd array to pointer_sets.
150 (check_cond_move_block): Update for this change.
151 (cond_move_convert_if_block): Likewise.
152 * Makefile.in: Fix dependencies for ifcvt.o.
154 2012-10-15 Richard Guenther <rguenther@suse.de>
156 PR tree-optimization/54920
157 * tree-ssa-pre.c (create_expression_by_pieces): Properly
158 allocate temporary storage for all NARY elements.
160 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
163 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
165 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
167 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
168 default_use_cxa_atexit to yes.
170 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
172 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
174 2012-10-05 Jan Hubicka <jh@suse.cz>
175 Jakub Jelinek <jakub@redhat.com>
177 PR tree-optimization/33763
178 * tree-inline.c (expand_call_inline): Silently ignore always_inline
179 attribute for redefined extern inline functions.
181 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
183 Backported from mainline
184 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
186 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
187 in SSE and YMM state support check for -march=native.
189 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
192 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
195 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
197 Backported from mainline
198 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
201 * doc/invoke.texi: Document -mprefer-avx128.
203 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
205 Backported from mainline
206 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
209 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
210 (XSTATE_FP): Likewise.
211 (XSTATE_SSE): Likewise.
212 (XSTATE_YMM): Likewise.
213 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
214 SSE and YMM states aren't supported.
216 2012-10-01 Tom de Vries <tom@codesourcery.com>
218 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
221 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
224 * config/s390/s390.c (s390_option_override): Add missing break.
226 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
228 Backport from mainline
229 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
231 * config.gcc: Replace 'host' with 'target' when configuring for
232 powerpc64*-*-freebsd.
234 2012-09-28 Meador Inge <meadori@codesourcery.com>
236 Backport from mainline
237 2012-09-27 Meador Inge <meadori@codesourcery.com>
239 * gcc-ar.c (main): Handle the returning of the sub-process error
242 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
244 Backport from 2012-09-28 trunk r191821.
245 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
247 2012-09-27 Jakub Jelinek <jakub@redhat.com>
250 * simplify-rtx.c (simplify_binary_operation_1): Perform
251 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
253 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
255 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
256 TYPE_NONALIASED_COMPONENT flag.
257 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
258 TYPE_NONALIASED_COMPONENT flag.
260 2012-09-21 Richard Guenther <rguenther@suse.de>
263 Backport from mainline
264 2012-04-19 Richard Guenther <rguenther@suse.de>
266 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
269 2012-09-20 Joseph Myers <joseph@codesourcery.com>
272 * c-typeck.c (c_cast_expr): When casting to a type requiring
273 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
276 2012-09-20 Joseph Myers <joseph@codesourcery.com>
279 * c-typeck.c (build_unary_op): Pass original argument of
280 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
281 any C_MAYBE_CONST_EXPR, if it has integer operands.
282 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
283 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
284 to c_objc_common_truthvalue_conversion, then remove any
285 C_MAYBE_CONST_EXPR, if they have integer operands. Use
286 c_objc_common_truthvalue_conversion not
287 c_common_truthvalue_conversion.
288 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
289 call note_integer_operands for arguments with integer operands
290 that are not integer constants.
292 2012-09-20 Jakub Jelinek <jakub@redhat.com>
294 Backported from mainline
295 2012-09-17 Jakub Jelinek <jakub@redhat.com>
297 PR tree-optimization/54563
298 * tree-ssa-math-opts.c (execute_cse_sincos): Call
299 gimple_purge_dead_eh_edges if last call has been changed.
301 2012-09-14 Jakub Jelinek <jakub@redhat.com>
304 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
305 instead of (match_dup 0) as second argument to vec_merge.
306 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
307 Remove third alternative.
308 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
309 operand 2 instead of operand 1, but put it as first argument
311 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
312 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
315 2012-09-20 Jakub Jelinek <jakub@redhat.com>
317 * BASE-VER: Set to 4.7.3.
318 * DEV-PHASE: Set to prerelease.
320 2012-09-20 Release Manager
322 * GCC 4.7.2 released.
324 2012-09-15 Andi Kleen <ak@linux.intel.com>
326 Backport from mainline
327 2012-09-07 Andi Kleen <ak@linux.intel.com>
329 * gcc/lto-streamer.h (res_pair): Add.
330 (lto_file_decl_data): Replace resolutions with respairs.
332 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
334 (lto_file_finalize): Set up resolutions vector lazily from respairs.
336 2012-09-14 Walter Lee <walt@tilera.com>
338 Backport from mainline.
339 2012-09-14 Walter Lee <walt@tilera.com>
341 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
342 option for TILEPro and TILE-Gx.
344 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
346 * config/i386/i386.h (x86_prefetchw): New global variable.
347 (TARGET_PREFETCHW): New macro.
348 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
349 (processor_alias_table): Add PTA_PREFETCHW to
350 bdver1, bdver2 and btver1.
351 (ix86_option_override_internal): Set x86_prefetchw for
352 PTA_PREFETCHW targets.
353 * config/i386/i386.md (prefetch): Expand to prefetchw
354 for TARGET_PREFETCHW.
355 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
357 Backport from mainline
358 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
360 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
361 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
363 (*prefetch_sse): ... this.
364 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
366 (*prefetch_3dnow): ... this.
368 2012-09-13 Jakub Jelinek <jakub@redhat.com>
371 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
372 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
374 2012-09-12 Teresa Johnson <tejohnson@google.com>
376 Backport from mainline.
377 2012-09-12 Teresa Johnson <tejohnson@google.com>
379 PR gcov-profile/54487
380 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
381 test using F_SETLKW with fcntl.
382 * configure, config.in: Regenerate.
384 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
386 Backport from mainline
387 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
389 * config/i386/i386.md : Comments on fma4 instruction selection
390 reflect requirement on register pressure based cost model.
392 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
393 flag is set-reset as informed by the cpuid flag.
395 * config/i386/i386.c (processor_alias_table): fma4
396 flag is enabled for bdver2.
398 2012-09-12 Christian Bruel <christian.bruel@st.com>
400 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
402 2012-09-12 Jakub Jelinek <jakub@redhat.com>
404 * config.gcc: Obsolete picochip-*.
406 2012-09-11 Richard Guenther <rguenther@suse.de>
409 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
410 on flag_toplevel_reorder.
412 2012-09-10 Richard Henderson <rth@redhat.com>
414 * config/alpha/predicates.md (small_symbolic_operand): Disallow
417 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
419 Backport from 2012-09-10 mainline r191132.
422 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
424 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
427 * tree-sra.c (disqualify_base_of_expr): Check for possible
428 NULL_TREE returned by get_base_address()
430 2012-09-07 Richard Guenther <rguenther@suse.de>
432 Backport from mainline
433 2012-06-26 Jan Hubicka <jh@suse.cz>
436 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
439 2012-09-07 Richard Guenther <rguenther@suse.de>
441 Backport from mainline
442 2012-07-13 Richard Guenther <rguenther@suse.de>
444 PR tree-optimization/53922
445 * tree-vrp.c (value_inside_range): Change prototype to take
446 min/max instead of value-range.
447 (range_includes_zero_p): Likewise. Return the result from
449 (extract_range_from_binary_expr_1): Adjust to handle dont-know
450 return value from range_includes_zero_p.
451 (extract_range_from_unary_expr_1): Likewise.
452 (compare_range_with_value): Likewise.
453 (vrp_meet_1): Likewise.
455 2012-09-07 Richard Guenther <rguenther@suse.de>
458 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
459 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
460 arguments separately.
462 2012-09-07 Jakub Jelinek <jakub@redhat.com>
464 Backported from mainline
465 2012-09-06 Jakub Jelinek <jakub@redhat.com>
467 PR rtl-optimization/54455
468 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
469 bb ends up with asm goto referencing bb's label.
471 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
473 Backport from mainline.
474 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
475 Richard Earnshaw <richard.earnshaw@arm.com>
478 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
479 element size. Use elem_type from the formal parameter. New parameter
481 (neon_expand_args): Adjust call to neon_dereference_pointer.
483 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
485 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
486 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
488 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
490 Backport from mainline
491 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
493 * config/i386/i386.md (isa): Add fma and fma4.
494 (enabled): Handle fma and fma4.
495 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
496 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
497 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
498 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
499 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
500 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
502 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
504 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
505 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
506 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
508 2012-09-06 Richard Guenther <rguenther@suse.de>
510 PR tree-optimization/54498
511 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
512 abort when reaching an already visited region.
513 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
514 (get_continuation_for_phi_1): Likewise.
515 (walk_non_aliased_vuses): When we translated the reference,
516 abort when we re-visit a region.
517 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
519 2012-09-06 Andrew Pinski <apinski@cavium.com>
522 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
524 2012-09-05 Jakub Jelinek <jakub@redhat.com>
527 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
528 build_int_cst with size_type_node instead of size_int.
530 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
532 Backport from 2012-09-05 mainline r190697.
535 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
536 configured --with-avrlibc.
537 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
539 * config/avr/avrlibc.h: New file.
540 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
541 configured --with-avrlibc.
542 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
544 2012-09-05 Bin Cheng <bin.cheng@arm.com>
546 Backport from 2012-09-04 mainline r190919
549 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
550 of size less than 4 bytes by using macro ARM_NUM_INTS.
551 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
553 2012-09-04 Richard Henderson <rth@redhat.com>
555 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
557 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
559 Backport from 2012-09-04 mainline r190920
562 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
564 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
566 Backport from 2012-09-04 mainline r190914
569 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
571 (avr_allocate_stack_slots_for_args): ...this new static function.
573 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
575 Backported from mainline
576 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
579 * doc/invoke.texi: Add -da and remove -dm.
581 2012-09-03 Jakub Jelinek <jakub@redhat.com>
583 Backported from mainline
584 2012-09-01 Jakub Jelinek <jakub@redhat.com>
587 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
588 operands[1] is CONST_INT_P, convert it to QImode before printing.
590 2012-08-31 Jakub Jelinek <jakub@redhat.com>
593 * c-convert.c (convert): Don't call fold_convert_loc if
594 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
595 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
596 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
598 2012-08-24 Jakub Jelinek <jakub@redhat.com>
601 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
602 if init is a CONSTRUCTOR.
604 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
606 PR rtl-optimization/54369
607 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
608 calling dbr_schedule.
609 * config/sparc/sparc.c (sparc_reorg): Likewise.
611 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
613 Backport from mainline
614 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
616 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
617 case for Atom processor.
619 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
621 Backport from mainline
622 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
625 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
626 true for TARGET_64BIT or !flag_pic.
627 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
628 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
629 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
630 Add insn constraint. Conditionally emit xchg asm insns.
631 (atomic_compare_and_swap<mode>): Update calls. Check only
632 cmpxchg8b_pic_memory_operand in memory address fixup.
634 (CASHMODE): Rename from DCASHMODE.
635 (doublemodesuffix): Update modes.
636 (regprefix): New mode attribute.
638 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
639 <UNSPECV_CMPXCHG>: New constant.
640 (atomic_compare_and_swap<mode>_1): Rename from
641 atomic_compare_and_swap_single<mode>. Update calls and
642 unspec_volatile constants.
643 (atomic_compare_and_swap<mode>_doubleword): Rename from
644 atomic_compare_and_swap_double<mode>. Update calls and
645 unspec_volatile constants.
647 2012-08-28 Walter Lee <walt@tilera.com>
649 Backport from mainline
650 2012-08-28 Walter Lee <walt@tilera.com>
652 * confg/tilegx/tilegx.md: Fix code style.
653 (*zero_extendsidi_truncdisi): Fix typo.
654 * config/tilegx/tilegx.c: Fix code style.
655 (tilegx_function_profiler): Fix typo.
657 2012-08-27 Walter Lee <walt@tilera.com>
659 Backport from mainline
660 2012-08-27 Walter Lee <walt@tilera.com>
662 * doc/md.texi (TILE-Gx): Fix typo.
664 2012-08-27 Walter Lee <walt@tilera.com>
666 Backport from mainline
667 2012-08-27 Walter Lee <walt@tilera.com>
669 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
670 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
672 2012-08-27 Walter Lee <walt@tilera.com>
674 Backport from mainline
675 2012-08-27 Walter Lee <walt@tilera.com>
677 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
678 (insn_bfins): Delete.
680 2012-08-27 Walter Lee <walt@tilera.com>
682 Backport from mainline
683 2012-08-27 Walter Lee <walt@tilera.com>
685 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
686 atomic_exchange_bare<mode>,
687 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
688 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
689 * config/tilegx/tilegx.md (type): Add X1_remove.
690 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
691 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
692 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
695 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
697 PR rtl-optimization/54088
698 * jump.c (delete_related_insns): Robustify latest change.
700 2012-08-21 Richard Guenther <rguenther@suse.de>
702 Backport from mainline
703 2012-08-16 Richard Guenther <rguenther@suse.de>
706 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
708 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
709 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
710 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
711 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
712 (tree_ssa_lim_finalize): Free all mem_refs.
713 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
714 scc when bailing out.
715 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
716 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
717 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
720 2012-08-17 Richard Guenther <rguenther@suse.de>
722 * tree-sra.c (modify_function): Free redirect_callers vector.
723 * ipa-split.c (split_function): Free args_to_pass vector.
724 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
726 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
727 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
728 (vect_analyze_slp_instance): Free everything.
729 (destroy_bb_vec_info): Free the SLP instances.
731 2012-08-17 Richard Guenther <rguenther@suse.de>
733 * params.def (integer-share-limit): Decrease from 256 to 251,
736 2012-08-21 Richard Guenther <rguenther@suse.de>
738 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
739 the affine expansion cache.
741 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
743 Backported from trunk
744 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
747 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
749 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
751 Backport from mainline.
752 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
755 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
756 mark as predicable. Adjust asm template.
757 (vec_setv2di_internal): Likewise.
758 (vec_extract<mode> VD, VQ): Likewise.
759 (vec_extractv2di): Likewise.
760 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
761 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
762 (neon_vdup_n<mode> VX, V32): Likewise.
763 (neon_vdup_nv2di): Likewise.
765 2012-08-17 Walter Lee <walt@tilera.com>
767 Backport from mainline
768 2012-08-17 Walter Lee <walt@tilera.com>
770 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
771 (FEEDBACK_ENTER): Define.
772 (FEEDBACK_REENTER): Define.
773 (FEEDBACK_ENTRY): Define.
774 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
775 (FEEDBACK_ENTER): Define.
776 (FEEDBACK_REENTER): Define.
777 (FEEDBACK_ENTRY): Define.
779 2012-08-16 Walter Lee <walt@tilera.com>
781 Backport from mainline
782 2012-08-16 Walter Lee <walt@tilera.com>
784 * config.gcc (tilegx-*-linux*): Add feedback.h.
785 (tilepro-*-linux*): Likewise.
786 * config/tilegx/feedback.h: New file.
787 * config/tilepro/feedback.h: New file.
789 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
791 Backport from mainline r189840 and r187586:
792 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
794 * config/i386/i386.md (stack_protect_set): Disable the pattern
795 for Android since Android libc (bionic) does not provide random
796 value for stack protection guard at gs:0x14. Guard value
797 will be provided from external symbol (default implementation).
798 (stack_protect_set_<mode>): Likewise.
799 (stack_protect_test): Likewise.
800 (stack_protect_test_<mode>): Likewise.
801 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
802 not have Bionic by default
803 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
804 Macro OPTION_BIONIC is defined in this file and provides Bionic
807 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
809 * configure.ac: Stack protector enabling for Android targets.
810 * configure: Regenerate.
812 2012-08-13 Jakub Jelinek <jakub@redhat.com>
814 Backported from trunk
815 2012-07-19 Jakub Jelinek <jakub@redhat.com>
817 PR rtl-optimization/53942
818 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
819 directly from likely spilled non-fixed hard registers, move them
822 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
824 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
825 (xop_phaddubq): Ditto.
827 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
829 Backport from mainline
830 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
831 Richard Earnshaw <rearnsha@arm.com>
833 * target.def (vector_alignment): New target hook.
834 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
835 * doc/tm.texi: Regenerate.
836 * targhooks.c (default_vector_alignment): New function.
837 * targhooks.h (default_vector_alignment): Add prototype.
838 * stor-layout.c (layout_type): Use targetm.vector_alignment.
839 * config/arm/arm.c (arm_vector_alignment): New function.
840 (TARGET_VECTOR_ALIGNMENT): Define.
842 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
843 vector type alignment instead of size.
844 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
845 element type size directly instead of computing it from alignment.
846 Fix variable naming and comment.
848 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
850 Backport from mainline
851 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
853 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
854 (alpha_pad_function_end): ... this. Also insert NOP between
855 sibling call and GP load.
856 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
858 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
860 Backport from mainline
861 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
862 H.J. Lu <hongjiu.lu@intel.com>
864 PR rtl-optimization/54157
865 * combine.c (gen_lowpart_for_combine): Don't return identity
866 for CONST or symbolic reference.
868 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
870 Backport from mainline
871 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
873 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
874 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
875 split_cost argument signed.
876 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
877 (ix86_avoid_lea_for_addr): Ditto.
879 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
881 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
882 the address has less than two components.
884 2012-08-02 Steve Ellcey <sellcey@mips.com>
886 Backport from mainline
887 2012-07-19 Steve Ellcey <sellcey@mips.com>
889 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
892 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
894 Backport from mainline
895 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
898 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
899 negative constant address for TARGET_X32 ...
900 (ix86_decompose_address): ... here. Reject constant addresses
901 that don't satisfy x86_64_immediate_operand predicate.
903 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
906 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
907 * config/i386/i386.c (ix86_print_operand_address): Ditto.
908 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
909 addresses. Prevent zero extensions of CONST_INT operands.
911 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
914 * config/i386/i386.md (*lea): New insn pattern.
916 (*lea<mode>_2): Ditto.
917 (*lea_{3,4,5,6}_zext): Ditto.
918 * config/i386/predicates.md (lea_address_operand): Do not reject
919 zero-extended address operands.
920 * config/i386/constraints.md (j): Remove address constraint.
921 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
923 (ix86_print_operand_address): Handle SImode subreg of an address.
924 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
926 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
928 Backport from mainline
929 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
932 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
933 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
935 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
936 (*movdi_internal_rex64): Use %E operand modifier for lea.
937 (*movsi_internal): Ditto.
939 (*lea<mode>_2): Ditto.
940 (*lea_{3,4,5,6}_zext): Ditto.
941 (*tls_global_dynamic_32_gnu): Ditto.
942 (*tls_global_dynamic_64): Ditto.
943 (*tls_dynamic_gnu2_lea_32): Ditto.
944 (*tls_dynamic_gnu2_lea_64): Ditto.
945 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
947 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
949 Backport from mainline
950 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
952 * config/i386/i386.c (ix86_address_subreg_operand): Reject
954 (ix86_print_operand_address): Assert that parts.base and parts.index
955 are non-NULL after call to simplify_subreg.
957 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
960 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
962 * config/sh/sh.c (sh_option_override): Do not change
963 flag_finite_math_only. Set TARGET_IEEE to complement of
964 flag_finite_math_only.
965 * doc/invoke.texi (SH options): Add mno-ieee. Correct
966 description of mieee and mno-ieee behavior.
968 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
971 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
974 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
976 Backport from mainline
977 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
979 PR rtl-optimization/52250
980 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
981 to put note list into. Unconditionally call move_bb_info.
982 (move_bb_info): Do not assert the blocks being in the same region,
983 just drop the note list if they are not.
985 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
987 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
989 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
991 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
992 defining statement is a SSA name that occurs in abnormal PHIs.
994 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
996 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
999 2012-07-19 Richard Guenther <rguenther@suse.de>
1000 Eric Botcazou <ebotcazou@adacore.com>
1002 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1003 about transition from invariant to known bits.
1004 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1006 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1009 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1010 (cleanup_tree_cfg_bb): Don't call it.
1011 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1014 2012-07-19 Christian Bruel <christian.bruel@st.com>
1017 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1019 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
1021 * config.gcc (v850-*-rtems*): New target.
1022 * config/v850/rtems.h: New.
1023 * config/v850/t-rtems: New.
1025 2012-07-18 Nick Clifton <nickc@redhat.com>
1027 * doc/invoke.texi (ARM Options): Document -munaligned-access.
1029 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
1033 Backport from mainline
1034 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1037 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1038 instead expand it as zero extension.
1040 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
1042 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1043 QImode and HImode splitters. Use ix86_comparison_operator.
1044 Explicitly match FLAGS_REG.
1045 (DFmode cmove splitter): Explicitly match FLAGS_REG.
1047 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
1048 Steven Bosscher <steven@gcc.gnu.org>
1049 Bernd Schmidt <bernds@codesourcery.com>
1051 PR rtl-optimization/53908
1052 * df-problems.c (can_move_insns_across): When doing
1053 memory-reference book-keeping, handle call insns.
1055 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
1057 Backport from mainline
1058 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1061 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1062 sibcall_insn_operand. Move it to a temporary register if not.
1064 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
1067 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1068 emit PIC sequence for fnaddr symbol reference in advance.
1070 2012-07-09 Jason Merrill <jason@redhat.com>
1073 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1074 (type_hash_eq): Likewise.
1077 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1079 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
1081 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1082 due to negative shift amount.
1084 2012-07-06 Kai Tietz <ktietz@redhat.com>
1086 Backport from mainline.
1088 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1089 as "/mingw/include".
1091 2012-07-06 Nick Clifton <nickc@redhat.com>
1093 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1094 default_encode_section_info.
1096 2012-07-06 Richard Guenther <rguenther@suse.de>
1098 Backport from mainline
1099 2012-03-30 Richard Guenther <rguenther@suse.de>
1102 * double-int.c (rshift_double): Remove not needed cast.
1104 2012-03-28 Richard Guenther <rguenther@suse.de>
1107 * double-int.h (rshift_double): Remove.
1108 * double-int.c (lshift_double): Use absu_hwi to make count
1110 (rshift_double): Make static, take unsigned count argument,
1111 remove handling of negative count argument.
1112 (double_int_rshift): Dispatch to lshift_double.
1114 2012-07-06 Richard Guenther <rguenther@suse.de>
1116 Backport from mainline
1117 2012-06-18 Richard Guenther <rguenther@suse.de>
1119 PR tree-optimization/53693
1120 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1121 Reject operands with more than one use.
1123 2012-07-06 Richard Guenther <rguenther@suse.de>
1125 Backport from mainline
1126 2012-04-11 Richard Guenther <rguenther@suse.de>
1129 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1130 consider loop nesting.
1131 (evolution_function_is_univariate_p): Properly check the remainder
1134 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
1136 Backport from mainline
1137 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
1139 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1140 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1141 (adjacent_mem_locations): Move some code to and call...
1142 (get_memref_parts): ...new function.
1143 (mem_locations_overlap): New function.
1144 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1145 (is_mem_ref): Rename to...
1146 (find_mem_ref): ...this. Return MEM rtx.
1147 (get_store_dest): Remove function.
1148 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1149 new parameter and adjust calls.
1150 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1151 mem refs overlap for true_store_to_load_dep_costly.
1152 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1153 passed to adjacent_mem_locations.
1154 (is_costly_group): Walk resolved dependency list.
1155 (force_new_group): Emit group ending nop for Power6/Power7.
1156 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1157 (group_ending_nop): New define_insn.
1159 2012-07-04 Richard Guenther <rguenther@suse.de>
1162 * gimple-fold.c (get_base_constructor): Do not return an
1163 error_mark_node DECL_INITIAL.
1165 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
1167 Backport from mainline
1168 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1170 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1171 code model string in the error message.
1173 2012-07-04 Tristan Gingold <gingold@adacore.com>
1175 Backport from mainline.
1176 2012-06-25 Tristan Gingold <gingold@adacore.com>
1178 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1179 (seh_cfa_adjust_cfa): ... that function.
1180 (seh_emit_stackalloc): Do not emit out of range values.
1181 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1182 UNSPEC_DEF_CFA constants.
1183 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1184 * config/i386/i386.c (ix86_frame_pointer_required): Required
1185 for very large frames on SEH target.
1186 (ix86_compute_frame_layout): Save area is before frame pointer
1187 on SEH target. Handle very large frames.
1188 (ix86_expand_prologue): Likewise.
1190 2012-07-04 Richard Guenther <rguenther@suse.de>
1192 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1193 as in free_lang_data_in_type.
1195 2012-07-02 Martin Jambor <mjambor@suse.cz>
1197 Backport from mainline.
1198 2012-07-02 Martin Jambor <mjambor@suse.cz>
1201 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1202 dynamic type change check.
1204 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1206 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1207 last statement of the finally block onto the switch.
1209 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1211 * configure: Regenerate.
1213 Backport from mainline.
1214 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1216 * config.gcc (target_type_format_char): New. Document it. Set it for
1218 * configure.ac (gnu_unique_option): Use target_type_format_char
1219 in test. Comment rationale.
1221 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1223 Backport from mainline.
1224 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1226 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1228 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1230 Backport from 2012-06-28 mainline r189049
1233 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1234 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1235 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1236 avr_hard_regno_call_part_clobbered.
1238 2012-06-28 Richard Guenther <rguenther@suse.de>
1241 * expr.c (expand_expr_real_1): Verify if the type is complete
1242 before inspecting its size.
1244 2012-06-27 Nick Clifton <nickc@redhat.com>
1246 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1249 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1252 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1254 2012-06-26 Nick Clifton <nickc@redhat.com>
1256 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1258 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1261 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1262 of x x x in the vmovlps load alternative.
1264 2012-06-22 Richard Guenther <rguenther@suse.de>
1266 * gcov-iov.c: Include bconfig.h and system.h.
1268 2012-06-22 Richard Guenther <rguenther@suse.de>
1270 PR gcov-profile/53744
1271 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1273 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1275 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1276 DECL_IGNORED_P non-reg vars even if they are used.
1278 2012-06-19 Jason Merrill <jason@redhat.com>
1281 * dwarf2out.c (modified_type_die): Use scope_die_for.
1282 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1283 (uses_local_type_r, uses_local_type): New.
1284 (scope_die_for): Keep a type that uses a local type in local scope.
1285 Use get_context_die for namespace and type scope.
1287 2012-06-19 Richard Guenther <rguenther@suse.de>
1290 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1291 replace it with the first non-BLOCK context.
1293 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1295 PR rtl-optimization/53700
1297 Backport from mainline
1298 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1300 * ira-color.c (setup_left_conflict_sizes_p): Process all
1301 conflicting objects.
1303 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1305 Backport from mainline
1306 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1309 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1310 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1311 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1312 instead of xop_mulv2div2di3_low.
1313 (xop_p<macs>dql): Fix vec_select selector.
1314 (xop_p<macs>dqh): Ditto.
1315 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1316 (xop_mulv2div2di3_high): Ditto.
1318 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1320 Backport from mainline:
1321 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1323 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1325 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1327 Backport from mainline:
1328 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1330 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1331 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1332 MAX_PCREL17F_OFFSET instead of fixed offset.
1333 (pa_attr_length_call): Likewise.
1334 (pa_attr_length_indirect_call): Likewise.
1336 2012-06-15 Walter Lee <walt@tilera.com>
1338 Backport from mainline:
1339 2012-06-15 Walter Lee <walt@tilera.com>
1341 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1343 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1345 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1347 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1349 Backport from mainline:
1351 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1352 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1353 * gimple.h (block_in_transaction): Check for flag_tm.
1355 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1357 PR tree-optimization/52558
1359 Backport from mainline:
1360 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1361 * gimple.h (gimple_set_in_transaction): Remove.
1362 (gimple_in_transaction): Look in BB instead.
1363 (gimple_statement_base): Remove in_transaction field.
1364 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1365 * trans-mem.c (compute_transaction_bits): Place transaction bit
1366 information into basic blocks.
1368 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1370 PR tree-optimization/52558
1371 * cfg.c (alloc_aux_for_edge): Fix comment.
1372 (alloc_aux_for_edge): Remove static.
1373 * basic-block.h (alloc_aux_for_edge): Protoize.
1374 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1375 (execute_sm_if_changed_flag): New.
1376 (execute_sm_if_changed_flag_set): New.
1377 (execute_sm): Do not generate data races unless requested.
1378 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1379 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1380 * gimple.h (block_in_transaction): New.
1381 (gimple_in_transaction): Use block_in_transaction.
1383 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1385 Backported from mainline
1386 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1388 PR rtl-optimization/53589
1389 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1390 discovery even when e->dest != target. If any LABEL_REF points
1391 to e->dest label, redirect it to target's label.
1393 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1396 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1397 returns false, replace stmt with GIMPLE_NOP.
1398 (check_omp_nesting_restrictions): Instead of issuing warnings,
1399 issue errors and return false if any errors were reported.
1401 2012-06-14 Richard Guenther <rguenther@suse.de>
1403 * BASE-VER: Set to 4.7.2.
1404 * DEV-PHASE: Set to prerelease.
1406 2012-06-12 Christian Bruel <christian.bruel@st.com>
1409 * config/sh/sh.c (sh_option_override): Don't force
1410 flag_omit_frame_pointer and maccumulate_outgoing_args.
1411 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1413 2012-06-14 Release Manager
1415 * GCC 4.7.1 released.
1417 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1419 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1421 2012-06-13 Richard Henderson <rth@redhat.com>
1423 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1424 iterator instead of INT.
1426 2012-06-08 Richard Henderson <rth@redhat.com>
1429 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1430 note to a clobber insn when no other insn is available.
1432 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1435 * doc/invoke.texi (Wenum-compare): Update documentation.
1437 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1440 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1442 (altivec_stvlxl): Ditto.
1443 (altivec_stvrx): Ditto.
1444 (altivec_stvrxl): Ditto.
1446 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1449 * trans-mem.c (expand_block_edges): Do not skip the first
1450 statement when resetting the BB.
1452 2012-06-04 Richard Guenther <rguenther@suse.de>
1455 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1456 create new assembler names.
1458 2012-06-04 Richard Guenther <rguenther@suse.de>
1460 Backport from mainline
1461 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1464 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1465 larger than maxbits. Don't compute maxbits modulo align.
1466 Also check that unit bytes long store at bitpos / unit * unit
1467 doesn't affect bits beyond bitregion_end.
1468 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1469 would not fit into bitregion_start ... bitregion_end + 1 bit
1471 (store_split_bit_field): Decrease unit close to end of bitregion_end
1472 if access is restricted in order to avoid mutual recursion.
1474 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1476 Backport from 2012-06-04 mainline r188172
1479 * config/avr/avr-stdint.h: New file.
1480 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1483 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1485 PR tree-optimization/53550
1486 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1487 is POINTER_TYPE_P, use sizetype as step type instead of type.
1489 2012-06-04 Richard Guenther <rguenther@suse.de>
1490 Eric Botcazou <ebotcazou@adacore.com>
1492 Backport from mainline
1493 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1495 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1496 Change type of BITOFFSET to signed. Make sure the lower bound of
1497 the computed range is non-negative by adjusting OFFSET and BITPOS.
1498 (expand_assignment): Adjust call to get_bit_range.
1500 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1502 * expr.c (get_bit_range): Return the null range if the enclosing record
1503 is part of a larger bit field.
1505 2012-03-20 Richard Guenther <rguenther@suse.de>
1507 * stor-layout.c (finish_bitfield_representative): Fallback
1508 to conservative maximum size if the padding up to the next
1509 field cannot be computed as a constant.
1510 (finish_bitfield_layout): If we cannot compute the distance
1511 between the start of the bitfield representative and the
1512 bitfield member start a new representative.
1513 * expr.c (get_bit_range): The distance between the start of
1514 the bitfield representative and the bitfield member is zero
1515 if the field offsets are not constants.
1517 2012-03-16 Richard Guenther <rguenther@suse.de>
1519 * stor-layout.c (finish_bitfield_representative): Fall back
1520 to the conservative maximum size if we cannot compute the
1521 size of the tail padding.
1523 2012-03-14 Richard Guenther <rguenther@suse.de>
1525 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1526 * stor-layout.c (start_bitfield_representative): New function.
1527 (finish_bitfield_representative): Likewise.
1528 (finish_bitfield_layout): Likewise.
1529 (finish_record_layout): Call finish_bitfield_layout.
1530 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1531 for QUAL_UNION_TYPE fields.
1532 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1533 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1534 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1539 * expr.c (get_bit_range): Unconditionally extract bitrange
1540 from DECL_BIT_FIELD_REPRESENTATIVE.
1541 (expand_assignment): Adjust call to get_bit_range.
1543 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1546 * fold-const.c (fold_binary_loc): Refine previous change.
1548 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1550 Backport from mainline
1551 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1554 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1555 avoid going above orig insn. Update comments.
1557 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1559 Backport from mainline
1560 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1563 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1564 prologue for unwinder and profiler.
1566 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1568 Backport from mainline
1569 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1571 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1573 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1575 Backport from mainline
1576 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1578 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1579 DBX_REGISTER_NUMBER.
1581 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1583 Backport from mainline
1584 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1586 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1587 operand is CONST_INT. Take COSTS_N_INSNS into account.
1588 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1591 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1593 * config/avr/avr.opt (-msp8): Document it.
1594 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1596 2012-05-31 Richard Guenther <rguenther@suse.de>
1599 * expr.c (expand_assignment): Do not use movmisalign on
1602 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1605 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1606 (pa_section_type_flags): New.
1607 (pa_legitimate_constant_p): Revert previous change.
1609 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1611 Backport from mainline
1612 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1615 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1616 accessed indirectly.
1617 (ipa_tm_create_version): Same.
1619 2012-05-30 Jason Merrill <jason@redhat.com>
1622 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1623 about array compound literals.
1625 2012-05-30 Richard Guenther <rguenther@suse.de>
1628 * fold-const.c (fold_binary_loc): Make sure to call
1629 fold_plusminus_mult_expr with the original sign of operands.
1631 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1633 * explow.c (probe_stack_range): Restore simple control flow and stop
1634 again when the probe cannot be generated if HAVE_check_stack.
1636 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1638 PR rtl-optimization/53519
1639 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1640 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1642 2012-05-29 Richard Guenther <rguenther@suse.de>
1644 PR tree-optimization/53516
1645 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1647 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1649 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1651 Backport from mainline
1652 2012-05-28 Richard Guenther <rguenther@suse.de>
1654 PR tree-optimization/53438
1655 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1657 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1659 Backport from mainline
1660 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1662 PR rtl-optimization/52528
1663 * combine.c (can_combine_p): Add setting of subst_low_luid
1664 before call to expand_field_assignment().
1666 2012-05-26 Martin Jambor <mjambor@suse.cz>
1668 Backport from mainline
1669 2012-05-23 Martin Jambor <mjambor@suse.cz>
1671 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1673 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1676 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1677 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1679 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1682 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1683 (ix86_expand_vec_perm): Use int mode instead of float.
1685 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1688 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1689 gnu_ld variables to yes.
1690 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1691 (HAVE_GNU_AS): Likewise.
1692 * config.in: Regenerate.
1693 * configure: Likewise.
1695 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1697 Backport from mainline
1698 2012-03-12 Richard Guenther <rguenther@suse.de>
1699 * config/arm/arm.c (neon_dereference_pointer): Do not call
1700 covert during RTL expansion.
1702 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1704 Backport from mainline
1705 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1708 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1709 relied on signed overflow behavior.
1711 2012-05-24 Richard Guenther <rguenther@suse.de>
1714 * tree-profile.c (tree_profiling): Cleanup the CFG if
1715 execute_fixup_cfg requests it.
1717 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1719 PR tree-optimization/53465
1720 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1721 vr0 into *vr, then vrp_meet that.
1722 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1723 have any equivalences.
1724 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1727 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1729 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1731 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1732 (iterative_hash_gimple_type): Adjust comment.
1733 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1734 domain for an array type instead of the domain type itself.
1736 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1738 Backport from 2012-05-23 mainline r187803
1741 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1742 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1745 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1747 Backport from 2012-05-03 mainline r187075
1749 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1750 has_fma4 for AMD processors with both fma3 and fma4 support.
1752 2012-05-22 Richard Guenther <rguenther@suse.de>
1754 PR tree-optimization/53408
1755 * tree-vect-loop.c (vectorizable_induction): Properly check
1756 the restriction that we cannot handle induction results from
1757 the inner loop outside of the outer loop.
1759 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1761 PR tree-optimization/53436
1762 * omp-low.c (omp_build_component_ref): New function.
1763 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1765 PR tree-optimization/53366
1766 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1767 tests if complex_numbers == 2, but there are non-complex number loads
1770 PR tree-optimization/53409
1771 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1772 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1774 PR tree-optimization/53410
1775 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1776 instead of build_int_cst (type, 0) where vector types might be
1779 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1782 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1783 from folded operands before wrapping another around the
1784 conditional expression.
1786 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1787 Patrick Marlier <patrick.marlier@gmail.com>
1789 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1792 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1794 Backport from mainline
1795 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1798 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1799 (UNSPECV_RDRAND): This.
1800 (rdrand<mode>_1): Updated.
1802 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1804 Backport from mainline
1805 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1807 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1808 RDRND, F16C and FSGSBASE.
1810 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1812 Backport from mainline
1813 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1815 * tree-ssa-pre.c (can_value_number_call): Delete.
1816 (compute_avail): Skip all statements with side effects.
1817 <GIMPLE_CALL>: Skip calls to internal functions.
1819 2012-05-18 David S. Miller <davem@davemloft.net>
1821 Backport r185385 from mainline
1822 2012-03-14 Richard Guenther <rguenther@suse.de>
1825 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1826 element type instead of mode, use build_vector_type_for_mode
1827 instead of the langhook, build a vector of proper signedness.
1828 (expand_vector_operations_1): Adjust.
1830 2012-05-18 Olivier Hainque <hainque@adacore.com>
1832 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1833 $(libsubdir) as libexecsubdir.
1835 2012-05-16 Andrew Pinski <apinski@cavium.com>
1837 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1840 2012-05-16 David S. Miller <davem@davemloft.net>
1842 * jump.c (delete_related_insns): If we remove a CALL, make sure
1843 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1845 2012-05-16 Richard Henderson <rth@redhat.com>
1848 * combine-stack-adj.c (prev_active_insn_bb): New.
1849 (next_active_insn_bb): New.
1850 (force_move_args_size_note): New.
1851 (combine_stack_adjustments_for_block): Use it.
1853 2012-05-16 Olivier Hainque <hainque@adacore.com>
1855 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1856 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1857 Add comments and improve stamp preservation across the whole sequence.
1858 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1860 2012-05-16 Richard Guenther <rguenther@suse.de>
1862 PR tree-optimization/53364
1863 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1864 detect a view-conversion of the decl.
1866 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1869 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1870 that operands[2] is either immediate, or q_regs_operand.
1872 2012-05-15 Bin Cheng <bin.cheng@arm.com>
1874 Backport r187139 from mainline.
1875 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1877 PR rtl-optimization/52804
1878 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1879 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1880 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1881 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1882 RELOAD_FOR_OUTADDR_ADDRESS.
1884 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
1887 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1888 generate target register for "load" class builtins.
1891 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
1894 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1895 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1896 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1897 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1898 (<sse>_movu<ssemodesuffix>): New expander.
1899 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1900 (avx_movdqu<avxmodesuffix>): New expander.
1901 (*sse2_movdqu): Rename from sse2_movdqu.
1902 (sse2_movdqu): New expander.
1904 2012-05-14 Jakub Jelinek <jakub@redhat.com>
1906 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1907 lineno 1 the same as lineno 0 before first start file directive.
1908 (optimize_macinfo_range): Likewise.
1910 * dwarf2out.c (have_macinfo): Define.
1911 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1912 attribute, don't force empty compilation unit and don't emit any
1913 .debug_macinfo/.debug_macro section if macinfo_table is empty.
1915 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1917 Backport from mainline
1918 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1920 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1921 ORDERED and UNORDERED conditions.
1923 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1925 * function.c (requires_stack_frame_p): If the function can throw
1926 non-call exceptions, return true if the insn can throw internally.
1928 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1930 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1931 DECL_ORIGINAL_TYPE if it is present.
1933 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1935 Backport from 2012-05-12 mainline r187342.
1938 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1939 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1940 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1941 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1942 (expand_prologue): Move initialization of cfun->machine->is_naked,
1943 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1944 (avr_set_current_function): ...this new static function.
1945 (TARGET_SET_CURRENT_FUNCTION): New define.
1946 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1947 checking attributes of current_function_decl.
1948 (avr_regs_to_save): Ditto.
1949 (signal_function_p): Rename to avr_signal_function_p.
1950 (interrupt_function_p): Rename to avr_interrupt_function_p.
1952 * doc/extend.texi (Function Attributes): Better explanation of
1953 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1956 2012-05-09 Matthias Klose <doko@ubuntu.com>
1958 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1960 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1963 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1964 when a constant source operand matches an "I" constraint, the "no
1965 CC0 change" applies to a register-destination only, not a
1966 strict_low_part-destination.
1968 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1970 Backport from mainline:
1971 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1973 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1975 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1977 PR tree-optimization/53239
1978 * tree-vrp.c (get_value_range): Set VR of
1979 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1982 2012-05-07 Richard Guenther <rguenther@suse.de>
1984 PR tree-optimization/53195
1985 * tree-inline.c (setup_one_parameter): Properly add referenced
1986 vars from the parameters new known value.
1988 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1990 Backport from mainline:
1991 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1994 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1997 2012-05-04 Ian Lance Taylor <iant@google.com>
1999 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2000 values from false to NULL.
2002 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2004 Backport from mainline
2005 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2008 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2009 (TARGET_CMOV): Rename from TARGET_CMOVE.
2010 (TARGET_CMOVE): New define.
2011 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2012 Do not set TARGET_CMOVE here.
2014 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2016 Backport from mainline:
2018 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2020 PR tree-optimization/52633
2021 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2022 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2023 (vect_recog_over_widening_pattern): Remove handling of code that was
2024 already detected as over-widening pattern. Remove special handling
2025 of "unsigned" cases. Instead, support general case of conversion
2026 of the shift result to another type.
2028 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2030 * tree-vect-patterns.c (vect_single_imm_use): New function.
2031 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2032 (vect_recog_over_widening_pattern): Likewise.
2033 (vect_recog_widen_shift_pattern): Likewise.
2035 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2037 PR tree-optimization/52870
2038 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2039 presumed pattern statement is within the same loop or basic block.
2041 2012-05-04 Richard Guenther <rguenther@suse.de>
2043 * common.opt (flto-report): Do not mark as Optimization.
2045 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2048 * recog.c (constrain_operands): If extra constraints are present, also
2049 accept pseudo-registers with equivalent memory locations during reload.
2051 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2053 Backport from the mainline
2054 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2057 * config/rs6000/rs6000.md (bswapdi splitters): If
2058 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2059 default) is used, generate an alternate sequence that does not
2060 depend on using indexed addressing.
2062 2012-05-03 David S. Miller <davem@davemloft.net>
2065 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2066 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2067 (sparc_emit_float_lib_cmp): Likewise.
2069 2012-05-04 Martin Jambor <mjambor@suse.cz>
2071 Backport from mainline
2072 2012-05-02 Martin Jambor <mjambor@suse.cz>
2075 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2076 of a variable when the contect is a function.
2078 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2081 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2082 append program name to it and pass that as first argument
2083 to make_relative_prefix. Always pass standard_libexec_prefix
2084 as last argument to make_relative_prefix. If
2085 make_relative_prefix returns NULL, fall back to
2086 standard_libexec_prefix.
2089 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2093 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2094 mode, return that mode.
2096 2012-05-03 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/53144
2099 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2101 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2102 with SSA name values.
2103 (vn_reference_lookup_3): Adjust callers.
2105 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2107 PR tree-optimization/53163
2108 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2109 return value from compute_all_dependences.
2111 PR rtl-optimization/53160
2112 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2113 has been modified by ree pass already.
2115 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2117 Backport from mainline
2118 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2121 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2122 calls to cgraph_node_name in xstrdup.
2123 (ipa_make_edge_direct_to_target): Ditto.
2124 * tree-sra.c (convert_callers_for_node): Ditto.
2125 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2126 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2127 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2128 (cgraph_materialize_all_clones): Ditto.
2129 * ipa-inline.c (report_inline_failed_reason): Ditto.
2130 (want_early_inline_function_p): Ditto.
2131 (edge_badness): Ditto.
2132 (update_edge_key): Ditto.
2133 (flatten_function): Ditto.
2134 (ipa_inline): Ditto.
2135 (inline_always_inline_functions): Ditto.
2136 (early_inline_small_functions): Ditto.
2138 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
2140 Backport from mainline
2141 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
2143 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2144 Introduce emul_name to select the right linker emulation for
2145 powerpc64-*-freebsd*.
2146 * configure: Regenerate.
2147 * config.gcc: Add bits to support powerpc64-*-freebsd*.
2148 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2149 * config/rs6000/freebsd64.h: New file.
2150 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2152 (rs6000_savres_strategy): Likewise.
2153 (rs6000_savres_routine_name): Likewise.
2154 (rs6000_elf_file_end): Likewise.
2155 * config/rs6000/t-freebsd64: New file.
2156 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2157 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2159 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2161 Backport from mainline
2162 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2165 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2167 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2169 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2170 predicate to discriminate types.
2172 2012-04-27 Richard Guenther <rguenther@suse.de>
2175 * convert.c (convert_to_integer): Avoid infinite recursion for
2176 target-defined built-in types.
2178 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2181 * config/cris/cris.md ("*andhi_lowpart_v32")
2182 ("*andqi_lowpart_v32"): Change first input-only operand from
2183 a (match_operand ...) to (match_dup 0). Drop alternatives with
2184 const_int-matching constraints for redundancy.
2185 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2186 three-operand alternative.
2188 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2190 Backport from mainline
2191 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2193 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2194 (*addsi_2_zext): Ditto.
2195 (*add<mode>_3): Ditto.
2196 (*addsi_3_zext): Ditto.
2197 (*add<mode>_5): Ditto.
2199 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2202 * c-typeck.c (set_nonincremental_init,
2203 set_nonincremental_init_from_string): Pass true instead of false
2204 as IMPLICIT to add_pending_init.
2206 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2208 Backport from 2012-04-24 mainline r186768.
2211 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2213 2012-04-24 Richard Guenther <rguenther@suse.de>
2215 PR tree-optimization/53085
2216 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2219 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2222 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2224 (output_addressed_constants): Likewise.
2227 * varasm.c (get_section): Don't ICE for section conflicts with
2228 built-in section kinds.
2230 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2232 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2234 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2236 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2238 2012-04-23 Richard Guenther <rguenther@suse.de>
2241 * c-typeck.c (build_binary_op): Fix typo.
2243 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2245 PR tree-optimizations/52891
2246 * tree-vect-patterns.c (adjust_bool_pattern): Use
2247 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2248 but with non-standard precision.
2250 2012-04-22 Ian Lance Taylor <iant@google.com>
2252 * godump.c (go_output_typedef): Dump size of structs.
2254 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2256 Backport from mainline:
2258 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2259 hints for 'A' operand types.
2261 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2263 Backport from 2012-04-19 mainline r186588.
2266 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2267 the case *(X+const).
2269 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2271 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2273 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2276 * config/i386/sync.md (atomic_<code><mode>): Rename to
2277 atomic_<logic><mode>.
2279 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2281 Backport from mainline
2282 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2285 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2286 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2287 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2288 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2289 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2290 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2291 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2292 gen_avx2_permvarv8sf.
2294 2012-04-16 Martin Jambor <mjambor@suse.cz>
2296 Backported from mainline
2298 2012-04-13 Martin Jambor <mjambor@suse.cz>
2301 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2302 fold_ctor_reference returns a zero constant.
2304 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2306 Backported from mainline
2307 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2309 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2310 and __ILP32__ for x32.
2312 2012-04-13 Tom de Vries <tom@codesourcery.com>
2314 Backport from mainline r186418.
2316 2012-04-13 Tom de Vries <tom@codesourcery.com>
2318 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2319 parameters vuse and vuse_escaped.
2320 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2321 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2324 2012-04-13 Richard Guenther <rguenther@suse.de>
2326 PR tree-optimization/52969
2327 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2328 the condition for the COND_EXPR and handle predicate negation
2329 by swapping the COND_EXPR arms.
2331 2012-04-13 Richard Guenther <rguenther@suse.de>
2334 * convert.c (convert_to_pointer): Remove special-casing of
2337 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2339 Backport from mainline
2340 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2343 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2344 the list of options to enable the FCFID instruction.
2345 (TARGET_EXTRA_BUILTINS): Adjust comment.
2347 2012-04-12 Richard Guenther <rguenther@suse.de>
2349 PR tree-optimization/52943
2350 * tree-chrec.h (chrec_is_positive): Remove.
2351 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2352 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2353 Return false for a constant zero instead of negative.
2354 (analyze_siv_subscript_cst_affine): Handle zero difference
2355 in the initial condition explicitely.
2357 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2360 * varasm.c (process_pending_assemble_externals): Set
2361 pending_assemble_externals_processed true.
2362 (assemble_external): Call assemble_external_real if the pending
2363 assemble externals have been processed.
2365 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2368 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2369 the DECL generated for the special GOT helper.
2371 2012-04-06 Walter Lee <walt@tilera.com>
2373 Backport from mainline
2374 2012-03-07 Walter Lee <walt@tilera.com>
2376 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2377 REG_CFA_* notes for the stack pointer.
2378 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2379 EH_RETURN_STACKADJ_RTX.
2380 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2381 generate REG_CFA_* notes for the stack pointer.
2382 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2383 by EH_RETURN_STACKADJ_RTX.
2385 2012-04-06 Matt Turner <mattst88@gmail.com>
2387 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2389 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2391 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2392 of the destination isn't also a FP_REGS register.
2394 2012-04-03 Richard Guenther <rguenther@suse.de>
2396 Backport from mainline
2397 2012-03-02 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/52406
2400 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2401 (struct indices): Add unconstrained_base member.
2402 (struct dr_alias): Remove unused vops member.
2403 (DR_UNCONSTRAINED_BASE): New define.
2404 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2405 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2406 be an artificial access that covers the whole indexed object,
2407 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2408 plain decl base-objects to their MEM_REF variant.
2409 (dr_may_alias_p): When the base-object of either data reference
2410 has unknown size use only points-to information.
2411 (compute_affine_dependence): Make dumps easier to read and
2413 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2414 DR_REF when looking for packed references.
2415 (vect_supportable_dr_alignment): Likewise.
2417 2012-04-03 Richard Guenther <rguenther@suse.de>
2419 Backport from mainline
2420 2012-03-15 Richard Guenther <rguenther@suse.de>
2423 * tree-data-ref.c (subscript_dependence_tester_1): Check
2424 all dimensions for non-conflicting access functions.
2426 2012-04-03 Richard Guenther <rguenther@suse.de>
2428 Backport from mainline
2429 2012-03-06 Richard Guenther <rguenther@suse.de>
2432 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2434 2012-03-23 Richard Guenther <rguenther@suse.de>
2436 PR tree-optimization/52678
2437 * tree-vectorizer.h (struct _stmt_vec_info): Add
2438 loop_phi_evolution_part member.
2439 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2440 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2441 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2442 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2443 Use the cached evolution part and the PHI nodes value from
2444 the loop preheader edge instead of re-analyzing the evolution.
2446 2012-03-26 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/52701
2449 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2450 compute and set the evolution part of PHI nodes.
2452 2012-03-30 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/52754
2455 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2456 propagate arbitrary addresses into really plain dereferences.
2458 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2460 PR tree-optimization/52835
2461 * tree-data-ref.c (build_rdg): Return NULL if
2462 compute_data_dependences_for_loop failed.
2464 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2466 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2467 (stmt_can_make_abnormal_goto): Use it.
2468 (is_ctrl_altering_stmt): Likewise.
2470 2012-03-31 Martin Jambor <mjambor@suse.cz>
2472 Backported from mainline
2473 2012-03-30 Martin Jambor <mjambor@suse.cz>
2475 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2476 is a builtin_stack_save in a dominating BB.
2478 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2480 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2481 crossing 128bit lane boundary.
2483 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2485 Backported from mainline
2486 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2489 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2491 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2492 * config/i386/i386.c: Include reload.h.
2493 (ix86_legitimize_reload_address): New function.
2495 2012-03-28 Martin Jambor <mjambor@suse.cz>
2497 Backported from mainline
2498 2012-03-27 Martin Jambor <mjambor@suse.cz>
2501 * tree-sra.c (sra_modify_assign): Do not call
2502 load_assign_lhs_subreplacements when working with an unscalarizable
2505 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2508 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2509 __builtin_va_start to __builtin_next_arg if the latter is
2510 builtin_decl_explicit_p rather than when it is not.
2513 * tree-vect-generic.c (vector_element): Perform multiplication
2514 for pos in bitsizetype type instead of idx type.
2516 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2518 Backport from 2012-03-28 mainline r185910.
2521 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2522 (avr_builtin_decl): New static function.
2523 (struct avr_builtin_description, avr_bdesc): Move up.
2524 Add GTY marker. Add field fndecl. Remove redundant field id.
2525 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2526 (avr_expand_builtin): Code cleanup because .id is removed.
2528 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2531 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2534 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2536 Backport from 2012-03-28 mainline r185907.
2539 * config.gcc (tm_file): Remove avr/multilib.h.
2541 * doc/invoke.texi (AVR Options): Adjust
2542 documentation of -mtiny-stack.
2544 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2545 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2546 * config/avr/t-avr: Remove generation of multilib.h.
2547 * config/avr/t-multilib: Regenerate.
2548 * config/avr/multilib.h: Remove.
2549 * config/avr/avr.opt (-msp8): New option.
2550 (avr_sp8): New variable.
2551 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2552 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2553 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2554 (avr_device_to_sp8): New prototype.
2555 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2556 (DRIVER_SELF_SPECS): New define.
2557 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2558 __AVR_SP8__, __AVR_HAVE_SPH__.
2559 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2560 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2561 (avr_file_start): Ditto.
2563 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2566 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2567 instead of 8 in adjust_address.
2569 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2571 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2572 of a unit before computing the offset in units.
2574 2012-03-27 Richard Guenther <rguenther@suse.de>
2577 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2580 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2583 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2585 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2588 * varasm.c: Include pointer-set.h.
2589 (pending_assemble_externals_set): New pointer set.
2590 (process_pending_assemble_externals): Destroy the pointer set.
2591 (assemble_external): See if decl is in pending_assemble_externals_set,
2592 and add it to pending_assemble_externals if necessary.
2593 (init_varasm_once): Allocate pending_assemble_externals_set.
2595 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2597 Backported from mainline
2598 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2601 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2602 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2603 (vector_ltgt<mode>): Likewise.
2604 (vector_ordered<mode>): Likewise.
2605 (vector_unordered<mode>): Likewise.
2606 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2608 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2610 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2613 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2615 Backported from mainline
2616 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2620 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2621 GENERAL_REGS and FP_REGS for SImode.
2623 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2626 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2627 on any new_local_var_chain vars declared during recursing on
2628 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2630 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2632 Backport from 2012-03-22 mainline r185692.
2635 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2636 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2637 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2638 (delay_cycles_1, delay_cycles_2): Ditto.
2639 (delay_cycles_3, delay_cycles_4): Ditto.
2640 (nopv, *nopv): Ditto.
2641 (sleep, *sleep): Ditto.
2644 Backport from 2012-03-21 mainline r185605.
2646 PR rtl-optimization/52543
2648 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2649 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2650 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2651 (avr_load_libgcc_p): Restrict to __flash loads.
2652 (avr_out_lpm): Only handle 1-byte loads from __flash.
2653 (avr_load_lpm): New function.
2654 (avr_find_unused_d_reg): Remove.
2655 (avr_out_lpm_no_lpmx): Remove.
2656 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2657 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2658 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2659 (load_<mode>, load_<mode>_clobber): New insns.
2660 (mov<mode>): For multi-byte move from non-generic
2661 16-bit address spaces: Expand to load_<mode> resp.
2662 load_<mode>_clobber.
2663 (load<mode>_libgcc): Remove expander.
2664 (split-lpmx): Remove split.
2666 Backport from 2012-03-13 mainline r185329.
2669 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2670 offset (size) to a value the insns can deal with.
2671 (expand_epilogue): Ditto.
2673 Backport from 2012-03-12 mainline r185256.
2676 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2677 type from reg_class_t to enum reg_class.
2678 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2680 Backport from 2012-03-12 mainline r185253.
2683 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2684 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2685 r184615 from 2012-02-28.
2687 Backport from 2012-03-08 mainline r185105.
2689 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2690 for constants in [-63,63].
2692 Backport from 2012-03-08 mainline r185100.
2695 * config/avr/avr.c (avr_mem_clobber): New static function.
2696 (avr_expand_delay_cycles): Add memory clobber operand to
2697 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2698 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2699 (enable_interrupt, disable_interrupt): New expander.
2700 (nopv, sleep, wdr): New expanders.
2701 (delay_cycles_1): Add memory clobber.
2702 (delay_cycles_2): Add memory clobber.
2703 (delay_cycles_3): Add memory clobber.
2704 (delay_cycles_4): Add memory clobber.
2705 (cli_sei): New insn from former "enable_interrupt",
2706 "disable_interrupt" with memory clobber.
2707 (*wdt): New insn from former "wdt" with memory clobber.
2708 (*nopv): Similar, but for "nopv".
2709 (*sleep): Similar, but for "sleep".
2711 Backport from 2012-03-07 mainline r185043.
2714 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2716 Backport from 2012-03-07 mainline r185032.
2719 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2720 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2721 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2723 Backport from 2012-03-07 mainline r185031.
2726 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2728 * config/avr/avr.md (xload_8): Adjust insn length.
2730 Backport from 2012-03-07 mainline r185030.
2733 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2734 if RAMPZ affects reading from RAM.
2736 Backport from 2012-03-05 mainline r184919.
2738 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2740 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2742 Backport from mainline r185259.
2745 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2746 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2748 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2750 Backported from mainline
2751 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2754 * c-parser.c (c_parser_postfix_expression)
2755 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2757 * config/i386/smmintrin.h: Avoid /* within a comment.
2758 * config/i386/nmmintrin.h: Likewise.
2760 2012-03-22 Richard Guenther <rguenther@suse.de>
2762 * BASE-VER: Set to 4.7.1.
2763 * DEV-PHASE: Set to prerelease.
2765 2012-03-22 Release Manager
2767 * GCC 4.7.0 released.
2769 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2771 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2773 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2774 Andrew Pinski <apinski@cavium.com>
2777 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2778 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2779 calls instead of __builtin_ir{int,ound}*.
2781 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2784 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2787 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2789 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2790 Refer to GCC 4.7 version of c99status.html.
2792 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2794 Backport from mainline
2795 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2797 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2798 redefine to be NULL if the current bit-size is different from the
2799 configured bit-size.
2801 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2802 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2803 set the default tuning. Add asserts to make sure the cpu and tune
2804 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2805 test whether the index is set, instead of > 0.
2806 (rs6000_file_start): Do not reset the default cpu if the current
2807 bit-size is different from the configured bit-size.
2809 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2811 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2813 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2814 Update binutils references.
2815 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2816 Update binutils reference.
2817 Update Sun as/GNU ld caveat.
2818 Document binutils largefile requirement for LTO plugin.
2819 Remove reference to alternate libpthread.
2821 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2823 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2825 (Specific, mips-sgi-irix6): Likewise.
2827 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2829 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2830 * configure: Regenerate.
2832 2012-03-07 Richard Henderson <rth@redhat.com>
2834 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2835 * config/m68k/sync.md (atomic_test_and_set): Use it.
2836 (atomic_test_and_set_1): Likewise.
2838 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2841 * Makefile.in: Let install-gcc-ar depend on installdirs,
2842 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2843 Don't double canonicalize if cross-compiling.
2845 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2847 * trans-mem.c: New typedef for tm_region_p.
2848 Define vector types for tm_region_p.
2849 (tm_region_init): Replace region_worklist to a vector called
2852 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2855 * trans-mem.c (tm_region_init): Use last_basic_block.
2857 2012-03-05 Richard Henderson <rth@redhat.com>
2860 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2861 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2862 BIGGEST_ALIGNMENT is aligned.
2864 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2866 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2868 2012-03-05 Richard Henderson <rth@redhat.com>
2871 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2872 instead of calling negqi2 directly.
2874 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2876 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2877 (INTMAX_TYPE): Use it.
2878 (UINTMAX_TYPE): Likewise.
2879 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2880 (irix6_c_common_override_options): Declare.
2881 (C_COMMON_OVERRIDE_OPTIONS): Define.
2882 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2883 * config/mips/irix6-c.c: New file.
2884 * config/mips/t-irix6 (irix6-c.o): New target.
2885 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2888 2012-03-02 Richard Henderson <rth@redhat.com>
2890 * optabs.c (expand_atomic_test_and_set): Honor
2891 atomic_test_and_set_trueval even when atomic_test_and_set
2892 optab is not in use.
2894 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2896 Backport from mainline
2897 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
2899 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2901 2012-03-02 Richard Guenther <rguenther@suse.de>
2903 * DEV-PHASE: Set to prerelease.
2905 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
2907 * config.gcc (obsolete): Add all ARM targets using the FPA.
2908 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2909 * doc/install.texi: Avoid references to obsolete ARM ports.
2911 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
2913 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2915 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
2916 Joern Rennecke <joern.rennecke@embecosm.com>
2918 * doc/extend.texi: Expand and update information on interrupt
2919 attribute for Epiphany.
2921 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2923 * config/sh/sh-protos.h: Update copyright notice dates.
2924 * config/sh/sh.h: Likewise.
2925 * config/sh/sh.md: Likewise.
2926 * config/sh/constraints.md: Likewise.
2927 * config/sh/predicates.md: Likewise.
2929 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2931 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2932 * config/sh/sh.c (tertiary_reload_operand): Likewise.
2934 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
2936 * config/sh/constraints.md: Fix comment typo.
2938 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2941 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2942 unsigned HOST_WIDE_INT.
2943 (zvdep_imm64): Likewise.
2944 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2945 (vdepi_and): Likewise.
2946 Likewise for unamed 64-bit patterns.
2947 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2949 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
2952 PR rtl-optimization/52417
2953 * cselib.c (cselib_any_perm_equivs): New variable.
2954 (cselib_reset_table): Check that it's not set when not
2955 preserving constants.
2956 (cselib_add_permanent_equiv): Set it.
2957 (cselib_have_permanent_equivalences): New.
2958 (cselib_init, cselib_finish): Reset it.
2959 * cselib.h (cselib_have_permanent_equivalences): Declare.
2960 * alias.c (get_addr): Restore earlier behavior when there
2961 aren't permanent equivalences.
2963 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
2965 * config/mn10300/mn10300-modes.def: Fix copyright notice.
2966 * config/v850/v850-modes.def: Fix copyright notice.
2968 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
2970 * doc/extend.texi (AVR Built-in Functions): Document
2971 __builtin_avr_flash_segment.
2973 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2974 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2975 (*split.flash_segment): New insn-and-split.
2976 * config/avr/avr.c (avr_init_builtins): Add local variables:
2977 const_memx_void_node, const_memx_ptr_type_node,
2978 char_ftype_const_memx_ptr.
2980 2012-03-01 Jakub Jelinek <jakub@redhat.com>
2982 PR tree-optimization/52445
2983 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2984 add ssa_name_ver, offset and size fields and change store field
2986 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2987 (add_or_mark_expr): Likewise. Only consider previous stores
2988 with the same size and offset.
2989 (nt_init_block): Only look at gimple_assign_single_p stmts,
2990 doesn't look at rhs2.
2992 2012-03-01 Richard Guenther <rguenther@suse.de>
2995 * tree-cfg.c (verify_gimple_assign_unary): Allow any
2996 conversions from integral types to pointer types.
2998 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3000 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3001 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3002 unintentionally removed in r184616.
3004 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3006 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3009 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3010 Uros Bizjak <ubizjak@gmail.com>
3013 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3014 alternatives, add "e" constraint to the new last alternative
3015 and ! to last 3 alternatives.
3017 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3019 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3020 DW_AT_artificial attributes at the end of the processing.
3021 (gen_array_type_die): Likewise.
3022 (gen_enumeration_type_die): Likewise.
3023 (gen_struct_or_union_type_die): Likewise.
3024 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3027 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3030 * expr.c (expand_assignment): If doing misaligned store that doesn't
3031 cover all mode bits, perform a RMW cycle.
3033 PR tree-optimization/52429
3034 * tree-parloops.c (separate_decls_in_region_debug): Return early
3035 if var is LABEL_DECL.
3037 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3039 PR tree-optimization/52424
3040 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3041 calling dom_thread_across_edge.
3043 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3045 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3047 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3049 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3050 * config/avr/avr.c (avr_output_bld): Remove unused function.
3051 (avr_out_sbxx_branch): Use "%T" to print bit position.
3053 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3055 * config/avr/avr.md: Untabify.
3057 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3059 * config/avr/avr.md (eqne): New code iterator.
3060 (*dec-and-branchsi): Use it in text peephole's condition.
3061 (*dec-and-branchhi): Ditto.
3062 (*dec-and-branchqi): Ditto.
3064 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3067 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3068 the device does not have the skip-bug.
3070 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3072 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3073 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3074 -mpretend-cmove): New.
3076 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3079 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3080 doesn't count DEBUG_INSN refs.
3081 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3082 for DEBUG_INSN refs.
3084 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3088 2012-02-20 Richard Guenther <rguenther@suse.de>
3089 PR tree-optimization/52298
3090 * tree-vect-stmts.c (vectorizable_load): Properly use
3091 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3094 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3097 * gimple.h (gimple_in_transaction): New.
3098 (gimple_set_in_transaction): New.
3099 (struct gimple_statement_base): Add in_transaction field.
3100 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3102 (tree_ssa_lim_initialize): Compute transaction bits.
3103 * tree.h (compute_transaction_bits): Protoize.
3104 * trans-mem.c (tm_region_init): Use the heap to store BB
3106 (compute_transaction_bits): New.
3108 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3110 * gcc.c (display_help): Document --help=common and sort entries
3113 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3115 * doc/install.texi: Document check-$LANG specific shortcuts
3117 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3120 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3122 * config/arm/arm_neon.h: Regenerate.
3123 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3124 (neon_vcgeu): New insn.
3125 (neon_vcgtu): Likewise.
3126 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3127 (ops): Unsigned comparison intrinsics call a different
3130 2012-02-28 Richard Guenther <rguenther@suse.de>
3133 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3134 ordering for the VEC_CONCAT for two element vectors for
3135 V2SFmode, V2SImode and V2DImode.
3137 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3140 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3141 detecting big-endian triplets.
3143 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3145 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3146 mode if there is no type information available.
3148 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3150 PR tree-optimization/53207
3151 * doc/invoke.texi: Document as experimental and relying on graphite.
3153 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3155 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3156 of initializer to changes from r184614.
3158 2012-02-28 Richard Guenther <rguenther@suse.de>
3160 PR tree-optimization/52395
3161 * tree-sra.c (build_ref_for_offset): Also look at the base
3162 TYPE_ALIGN when figuring out the alignment of the replacement.
3164 2012-02-28 Richard Guenther <rguenther@suse.de>
3166 PR tree-optimization/52402
3167 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3168 mis-aligned types when creating the accesses at the call site.
3170 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3172 * config/avr/builtins.def: New file.
3173 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3174 * config/avr/avr.c (enum avr_builtin_id): Use it.
3175 (avr_init_builtins): Use it. And use avr_bdesc.
3176 (bdesc_1arg): Remove.
3177 (bdesc_2arg): Remove.
3178 (bdesc_3arg): Remove.
3179 (struct avr_builtin_description): Add field n_args.
3180 (avr_bdesc): New static variable using builtins.def.
3181 (avr_expand_builtin): Use it.
3182 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3183 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3184 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3186 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3189 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3190 match only one single hard register with respective hard reg rtx.
3191 (movmemx_<mode>): Ditto.
3192 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3193 insn anatomy of movmem[x]_<mode>.
3194 (avr_out_movmem): Same for printing assembler and operand usage.
3196 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3200 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3201 address spaces located outside of device flash.
3203 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3204 (mcu_type_s): Add field n_flash.
3205 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3206 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3207 (AVR_MCU): Add N_FLASH argument.
3208 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3209 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3210 macro __FLASH<n> if that address space makes sense for the device.
3211 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3212 outside of target flash.
3213 (avr_asm_named_section): Ditto.
3214 (avr_asm_select_section): Ditto.
3215 (avr_addr_space_convert): Ditto.
3216 (avr_emit_movmemhi): Ditto.
3217 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3218 address space is outside of device flash.
3219 (avr_insert_attributes): Ditto.
3220 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3221 avr_current_arch->n_segments.
3223 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3226 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3228 (*movabs<mode>_2): Likewise.
3230 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3233 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3234 s_register_operand in the test instead of REG_P. Don't call
3235 gen_reg_rtx if it won't be used.
3237 PR tree-optimization/52376
3238 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3240 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3242 * ifcvt.c (noce_get_condition): Check condition variable is not
3243 small_register_classes_for_mode_p before accepting.
3245 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3247 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3249 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3252 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3253 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3255 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3257 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3259 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3261 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3263 * config/sh/predicates.md: Remove blank lines.
3264 * config/sh/sh.c: Fix typos in comments.
3265 * config/sh/constraints.md: Likewise.
3266 * config/sh/sh.md: Remove blank lines.
3267 Fix typos in comments. Use ;; as comment characters.
3269 2012-02-26 Walter Lee <walt@tilera.com>
3271 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3272 (replace_mov_pcrel_step2): Ditto.
3274 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3277 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3278 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3279 and locs that reference values newer than the non-canonical value
3280 at hand. Return the canonical value as a worst case.
3281 (memrefs_conflict_p): Walk canonical value's locs.
3284 * cselib.c (preserve_only_constants): Rename to...
3285 (preserve_constants_and_equivs): ... this. Split out...
3286 (invariant_or_equiv_p): ... this. Preserve plus expressions
3287 of other preserved expressions too.
3288 (cselib_reset_table): Adjust.
3289 * var-tracking.c (reverse_op): Use canonical value to build
3292 2012-02-23 Kai Tietz <ktietz@redhat.com>
3294 * config/i386/i386.c (ix86_delegitimize_address): Handle
3295 UNSPEC_PCREL plus displacement.
3297 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3300 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3301 to test for unusedness in st X addressing.
3303 2012-02-24 Richard Guenther <rguenther@suse.de>
3306 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3307 (is_gimple_reg_type): Move inline ...
3308 * gimple.h (is_gimple_reg_type): ... here.
3310 2012-02-24 Richard Guenther <rguenther@suse.de>
3313 * passes.c (execute_function_todo): When verifying SSA form
3314 verify gimple form first.
3315 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3317 2012-02-24 Richard Guenther <rguenther@suse.de>
3320 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3321 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3323 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3325 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3327 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3329 * tree-phinodes.c (make_phi_node): Mark static.
3330 * tree-flow.h (make_phi_node): Remove extern decl.
3331 * doc/gimple.texi (make_phi_node): Remove documentation.
3333 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3335 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3336 * tree-ssa-sccvn.c (print_scc): Ditto.
3338 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3340 * doc/passes.texi (Full redundancy elimination): Fix typo.
3342 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3344 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3346 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3349 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3351 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3354 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3356 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3358 * config/avr/avr.md (code_stdname): Add ior, xor.
3359 (xior): New code iterator.
3360 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3361 (*<code_stdname><mode>qi.byte1-3): Ditto.
3363 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3365 PR tree-optimization/52019
3366 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3369 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3371 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3372 HAVE_INITFINI_ARRAY to work around namespace pollution in
3373 certain versions of newlib system headers.
3374 * config.in: Regenerate.
3375 * configure: Regenerate.
3376 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3377 instead of HAVE_INITFINI_ARRAY.
3379 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3382 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3383 is not offsettable memory reference.
3385 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3388 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3389 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3391 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3393 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3394 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3396 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3398 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3399 library on Solaris 8 even without TLS support.
3400 * configure: Regenerate.
3402 2012-02-22 Richard Guenther <rguenther@suse.de>
3405 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3406 for GIMPLE_DEBUG stmts.
3408 2012-02-22 Martin Jambor <mjambor@suse.cz>
3411 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3412 according to the base object.
3414 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3416 PR rtl-optimization/50063
3417 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3418 and 2 (8-bit SP) in operand 2.
3419 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3420 setup to use movhi_sp_r instead of vanilla move to write SP.
3421 Adjust REG_CFA notes to superseed unspec.
3422 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3424 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3425 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3426 irq_state 1 (IRQ known to be on) here.
3428 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3430 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3432 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3433 assign_hard_reg): Likewise.
3435 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3437 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3439 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3442 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3443 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3445 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3447 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3448 prototype from here to...
3449 * config/avr/avr.h: ...here.
3451 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3454 * thumb2.md (thumb2_shiftsi3_short): Split register and
3455 immediate shifts. For register shifts tie operands 0 and 1.
3456 (peephole2 for above): Check that register-controlled shifts
3457 have suitably tied operands.
3459 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3462 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3463 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3464 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3465 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3466 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3467 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3468 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3469 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3470 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3471 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3472 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3473 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3474 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3475 bdver1_ssevector_avx256_unaligned_load,
3476 bdver1_ssevector_sse128_unaligned_load,
3477 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3478 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3479 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3480 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3481 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3482 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3483 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3484 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3485 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3486 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3487 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3488 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3489 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3490 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3491 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3492 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3493 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3494 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3495 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3496 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3497 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3498 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3499 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3500 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3501 bdver1_ssediv_double_load, bdver1_ssediv_double,
3502 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3503 Add "bdver2" attribute.
3505 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3507 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3508 default if possible and not specified otherwise.
3510 2012-02-21 Richard Guenther <rguenther@suse.de>
3513 * gimplify.c (create_tmp_from_val): Use the main variant type
3514 for the type of the temporary we create.
3516 2012-02-21 Richard Guenther <rguenther@suse.de>
3518 PR tree-optimization/52324
3519 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3520 do not gimplify a MEM_REF address operand if it is already
3523 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3525 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3526 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3528 2012-02-21 Richard Guenther <rguenther@suse.de>
3530 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3531 nested_in_vect_loop.
3533 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3535 PR tree-optimization/52318
3536 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3537 vdef also to non-pure/const call stmts in the sequence.
3539 2012-02-20 David S. Miller <davem@davemloft.net>
3541 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3542 don't use the "rd %pc" instruction on v9 for PIC register loads.
3544 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3547 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3548 in a transaction safe function.
3550 2012-02-20 Kai Tietz <ktietz@redhat.com>
3553 * stor-layout.c (place_field): Handle desired_align for
3556 2012-02-20 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/52298
3559 * tree-vect-stmts.c (vectorizable_store): Properly use
3560 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3562 (vectorizable_load): Likewise.
3563 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3564 Access DR_STEP after ensuring it is not NULL.
3566 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3568 PR tree-optimization/52286
3569 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3570 optimization use double_int_to_tree instead of build_int_cst_wide,
3571 rewrite to use double_int vars.
3573 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3576 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3578 Remove -e 0 from $gcc_cv_ld invocation.
3579 Only use __GLIBC_PREREQ if defined.
3580 Enable on Solaris since Solaris 8 patch.
3581 (gcc_SUN_LD_VERSION): New macro.
3582 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3583 gcc_SUN_LD_VERSION for version number format.
3584 * configure: Regenerate.
3585 * varasm.c (get_elf_initfini_array_priority_section): Set
3586 SECTION_NOTYPE for non-default priority.
3587 Use get_section instead of get_unnamed_section to emit
3588 .init_array/.fini_array with default priority.
3590 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3592 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3593 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3594 (mips_start_unique_function, mips_output_mips16_rdhwr)
3595 (mips_code_end): New functions.
3596 (TARGET_ASM_CODE_END): Define.
3598 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3600 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3601 to stubs with non-sibling calls.
3603 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3605 * doc/invoke.texi (-fira-* options): Copy-edit.
3606 (ira-* parameters): Copy-edit.
3608 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3610 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3611 GCC coding conventions.
3613 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3615 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3616 when used as adjectives.
3618 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3620 * doc/invoke.texi: Clean up "that"/"which" confusion.
3622 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3624 * system.h: Poison SMALL_REGISTER_CLASSES
3625 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3626 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3628 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3630 PR tree-optimization/52285
3631 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3632 when deciding if a call is a tail call or tail recursion.
3634 2012-02-16 Kai Tietz <ktietz@redhat.com>
3636 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3637 interger-constant displacement for UNSPEC_PCREL.
3639 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3641 PR rtl-optimization/52208
3642 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3643 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3645 PR tree-optimization/52255
3646 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3647 loop->header has virtual PHI, but exit_e->dest doesn't, add
3648 virtual PHI to exit_e->dest and adjust all uses after the loop.
3651 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3652 children with clone_tree_hash, not after it.
3654 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3656 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3657 extended identifiers.
3659 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3662 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3663 a same_body_alias, also test whether e->callee isn't a former
3664 or current clone of the decl this is a same body alias of.
3666 PR translation/52264
3667 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3669 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3671 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3673 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3676 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3677 force_reg instead of copy_to_reg for better optimization. Force
3678 non-register or memory operands into a register.
3680 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3682 * extend.texi: Reserve upper bits of memory model for future use.
3684 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3685 Anatoly Sokolov <aesok@post.ru>
3686 Eric Weddington <eric.weddington@atmel.com>
3689 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3690 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3691 Rewrite initializers for .macro.
3692 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3693 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3694 atxmega32d4, atxmega32x1.
3695 avrxmega4: atxmega64a3, atxmega64d3.
3696 avrxmega5: atxmega64a1, atxmega64a1u.
3697 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3698 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3699 avrxmega7: atxmega128a1, atxmega128a1u.
3700 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3701 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3702 (struct base_arch_s): Rename reserved to xmega_p.
3703 Rename reserved2 to have_rampd.
3704 (AVR_XMEGA): New define.
3705 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3706 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3707 * config/avr/predicates.md (io_address_operand): Take into
3709 (low_io_address_operand): Ditto.
3710 (high_io_address_operand): Ditto.
3711 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3712 (enabled, movhi_sp_r): Use them.
3713 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3714 cpp_define_formatted to built-in define __AVR_ARCH__.
3715 (__AVR_XMEGA__): New built-in define.
3716 (__AVR_HAVE_RAMPD__): New built-in define.
3717 (__AVR_HAVE_RAMPX__): New built-in define.
3718 (__AVR_HAVE_RAMPY__): New built-in define.
3719 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3721 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3722 (avr_option_override): Initialize them.
3723 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3724 (avr_init_expanders): Initialize them. No more block several calls.
3725 (emit_push_sfr): New static function.
3726 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3728 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3729 (avr_print_operand): Print addreeses as symbols for
3730 RAMPX, RAMPY, RAMPD, CCP.
3731 (output_movhi): Handle AVR_XMEGA when writing to SP.
3732 (avr_out_movhi_mr_r_xmega): New static function.
3733 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3734 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3735 __RAMPD__, __CCP__ as needed.
3737 * config/avr/multilib.h: Regenerate.
3738 * config/avr/t-multilib: Regenerate.
3739 * config/avr/avr-tables.opt: Regenerate.
3741 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3743 PR tree-optimization/50561
3744 * graphite-flattening.c (lst_project_loop): Do not
3745 remove old scattering dimensions after flattening.
3746 (lst_do_flatten): Likewise.
3748 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3750 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3751 __builtin_avr_map8, __builtin_avr_map16.
3752 Document __builtin_avr_insert_bits.
3754 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3755 (insert_bits): New insn.
3756 (adjust_len.map_bits): Rename to insert_bits.
3757 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3758 * avr-protos.h (avr_out_map_bits): Remove.
3759 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3760 * config/avr/constraints.md (Cxf,C0f): New.
3761 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3762 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3763 New built-in define __BUILTIN_AVR_INSERT_BITS.
3764 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3765 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3766 (avr_move_bits): Rewrite.
3767 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3769 (avr_map_op_t): New typedef.
3770 (avr_map_op): New static variable.
3771 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3772 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3773 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3774 (bdesc_3arg, avr_expand_triop_builtin): New.
3775 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3776 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3777 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3778 (avr_map_equal_p, avr_map_sig_p): Remove.
3779 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3780 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3781 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3782 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3783 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3784 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3786 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3788 * config/c6x/c6x.md (reserve_cycles): New attribute.
3789 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3790 don't reserve functional units after the branch occurs.
3792 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3795 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3796 functions into non-tm_pure functions.
3798 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3801 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3802 (iterative_hash_canonical_type): Likewise.
3803 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3806 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3808 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3809 sched-group insn, it either remains alone or the entire list is pruned.
3811 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3813 * doc/install.texi (Prerequisites): Fix grammar.
3814 (Configuration): Likewise.
3816 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3818 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3819 MPC as part of GCC before describing configuring with --with-gmp etc.
3820 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3821 sources are present.
3823 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3826 * dwarf2out.c (clone_tree_hash): New function.
3827 (copy_decls_walk): Use it instead of clone_tree.
3829 2012-02-14 Richard Guenther <rguenther@suse.de>
3831 PR tree-optimization/52244
3832 PR tree-optimization/51528
3833 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3834 replacements for integral types.
3836 2012-02-14 Walter Lee <walt@tilera.com>
3838 * config.gcc: Handle tilegx and tilepro.
3839 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3841 Add HAVE_AS_TLS check for tilegx and tilepro.
3842 * configure: Regenerate.
3843 * doc/contrib.texi: Add Mat Hostetter and self.
3844 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3845 Document instruction intrinsics and network accessing intrinsics.
3846 (TILEPro Built-in Functions): New node. Document instruction
3847 intrinsics and network accessing intrinsics.
3848 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3849 (Specific, tilepro-*-linux*): Likewise.
3850 * doc/invoke.texi (TILE-Gx Options): New section.
3851 (TILEPro Options): New section.
3852 * doc/md.texi (TILE-Gx): New section.
3853 (TILEPro): New section.
3854 * common/config/tilegx/tilegx-common.c: New file.
3855 * common/config/tilepro/tilepro-common.c: New file.
3856 * config/tilegx/constraints.md: New file.
3857 * config/tilegx/linux.h: New file.
3858 * config/tilegx/mul-tables.c: New file.
3859 * config/tilegx/predicates.md: New file.
3860 * config/tilegx/sync.md: New file.
3861 * config/tilegx/t-tilegx: New file.
3862 * config/tilegx/tilegx-builtins.h: New file.
3863 * config/tilegx/tilegx-c.c: New file.
3864 * config/tilegx/tilegx-generic.md: New file.
3865 * config/tilegx/tilegx-modes.def: New file.
3866 * config/tilegx/tilegx-multiply.h: New file.
3867 * config/tilegx/tilegx-protos.h: New file.
3868 * config/tilegx/tilegx.c: New file.
3869 * config/tilegx/tilegx.h: New file.
3870 * config/tilegx/tilegx.md: New file.
3871 * config/tilegx/tilegx.opt: New file.
3872 * config/tilepro/constraints.md: New file.
3873 * config/tilepro/gen-mul-tables.cc: New file.
3874 * config/tilepro/linux.h: New file.
3875 * config/tilepro/mul-tables.c: New file.
3876 * config/tilepro/predicates.md: New file.
3877 * config/tilepro/t-tilepro: New file.
3878 * config/tilepro/tilepro-builtins.h: New file.
3879 * config/tilepro/tilepro-c.c: New file.
3880 * config/tilepro/tilepro-generic.md: New file.
3881 * config/tilepro/tilepro-modes.def: New file.
3882 * config/tilepro/tilepro-multiply.h: New file.
3883 * config/tilepro/tilepro-protos.h: New file.
3884 * config/tilepro/tilepro.c: New file.
3885 * config/tilepro/tilepro.h: New file.
3886 * config/tilepro/tilepro.md: New file.
3887 * config/tilepro/tilepro.opt: New file.
3889 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3891 PR tree-optimization/52210
3892 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3893 vect_model_simple_cost with two entry vect_def_type array instead
3894 of an address of dt.
3896 2012-02-14 Richard Guenther <rguenther@suse.de>
3899 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3900 Do not stream DECL_QUALIFIER.
3901 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3902 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3903 (find_decls_types_r): Do not walk DECL_QUALIFIER.
3905 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3908 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3911 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3914 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3915 * cselib.c (cselib_subst_to_values_from_insn): New function.
3916 * sched-deps.c (add_insn_mem_dependence,
3917 sched_analyze_1, sched_analyze_2): Use it.
3919 2012-02-13 Jan Hubicka <jh@suse.cz>
3922 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3924 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
3926 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3927 (GTM_SELF_SPECS): Define if not already defined.
3928 (driver_self_specs): Add GTM_SELF_SPECS.
3929 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3930 (GTM_SELF_SPECS): Define.
3931 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3932 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3934 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3936 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3939 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3942 * omp-low.c (expand_omp_for): If a static schedule without chunk size
3943 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3945 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
3948 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3950 2012-02-13 Richard Guenther <rguenther@suse.de>
3952 PR translation/52211
3953 * passes.c (enable_disable_pass): Fix typo.
3955 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3958 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3959 XOR for reduce_bit_field if type is unsigned.
3961 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3963 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3964 disallow changes from SFmode to mode with different size in FP regs.
3966 2012-02-12 Robert Millan <rmh@gnu.org>
3967 Gerald Pfeifer <gerald@pfeifer.com>
3969 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3972 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
3974 PR rtl-optimization/52175
3975 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3976 to frame-related instructions.
3978 2012-02-10 Jason Merrill <jason@redhat.com>
3981 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3982 (demangle_new_symbols): Fill it.
3983 (scan_linker_output): Walk it.
3984 (start_tweaking): Split out from scan_linker_output.
3985 (maybe_tweak): Update sym->chosen.
3986 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3988 2012-02-11 Jakub Jelinek <jakub@redhat.com>
3991 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3993 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
3995 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3996 having the same mode as previous compare.
3998 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4000 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4001 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4002 (nonlocal_goto_internal): Likewise.
4003 (nonlocal_goto): Emit a use and an indirect jump directly.
4005 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4008 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4009 __atomic_{is,always}_lock_free.
4011 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4014 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4015 negative constant address for x32.
4017 2012-02-10 Richard Henderson <rth@redhat.com>
4019 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4020 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4021 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4023 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4024 Ira Rosen <irar@il.ibm.com>
4026 PR tree-optimization/50031
4027 * targhooks.c (default_builtin_vectorization_cost): Handle
4029 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4030 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4031 all types of reduction and pattern statements.
4032 (vect_estimate_min_profitable_iters): Likewise.
4033 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4034 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4035 for explicit realigns.
4036 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4037 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4039 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4040 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4041 vec_perm for VSX and handle vec_promote_demote.
4043 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4046 * builtins.c (fold_builtin_atomic_always_lock_free,
4047 expand_builtin_atomic_always_lock_free,
4048 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4049 Return and/or test boolean_true_node/boolean_false_node instead of
4050 integer_one_node/integer_zero_node.
4052 2012-02-10 Jan Hubicka <jh@suse.cz>
4055 * predict.c (predict_paths_for_bb): Prevent looping.
4056 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4058 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4060 * config/arm/arm.c (output_move_double): In one case properly
4061 count number of instructions that will be emitted.
4063 2012-02-10 Richard Guenther <rguenther@suse.de>
4065 PR translation/52193
4066 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4068 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4071 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4073 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4076 * var-tracking.c (emit_note_insn_var_location): If
4077 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4078 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4079 non-NOTE_DURING_CALL_P insn.
4081 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4084 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4086 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4089 * gcc.c (switch_matches) Support switches with separated form,
4092 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4094 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4096 (RAMPZ_ADDR): Ditto.
4097 * config/avr/avr.c (avr_addr_t): New typedef.
4098 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4099 (avr_init_expanders): Initialize it.
4100 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4102 (expand_epilogue): Ditto.
4103 (avr_print_operand): Ditto.
4104 (avr_file_start): Ditto.
4105 (avr_emit_movmemhi): Ditto.
4107 2012-02-08 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/46886
4110 * tree-flow.h (do_while_loop_p): Declare.
4111 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4112 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4114 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4116 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4117 always succeed for integers larger than a native word.
4119 2012-02-08 Richard Guenther <rguenther@suse.de>
4121 PR rtl-optimization/52170
4122 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4123 properly handle integer vector modes.
4125 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4127 PR gcov-profile/52150
4128 * coverage.c: Include target.h.
4129 (build_var): Call targetm.strip_name_encoding on the assembler name.
4130 Change one _ into . or $ if the target allows it.
4131 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4133 PR rtl-optimization/52139
4134 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4135 is a BARRIER after emit_insn_after_noloc, move BB_END
4136 to the last non-BARRIER insn before it.
4138 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4141 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4142 (mips_gimplify_va_arg_expr): Call it instead of
4143 std_gimplify_va_arg_expr.
4145 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4147 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4148 message for -mno-pointers-to-nested-function.
4150 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4153 * expr.c (get_inner_reference): If there is an offset, add a negative
4154 bit position to it (if any).
4156 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4158 PR rtl-optimization/52060
4159 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4160 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4161 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4162 and/or i0src_copy2 when needed.
4164 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4166 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4167 or LTOPLUGINSONAME if have_c.
4169 * config/freebsd-spec.h: Add comment about what macros can be defined
4171 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4172 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4175 2012-02-07 Richard Guenther <rguenther@suse.de>
4177 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4178 newline in -alias dumps.
4180 2012-02-07 Kai Tietz <ktietz@redhat.com>
4181 Dave Korn <dave.korn.cygwin@gmail.com>
4184 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4185 Take care that typinfo gets dllexport-attribute.
4187 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4190 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4191 if modifier < EXPAND_SUM call force_operand on the result.
4193 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4195 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4196 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4198 (epiphany_function_type): Replace types for specific interrupts with
4199 EPIPHANY_FUNCTION_INTERRUPT.
4200 (EPIPHANY_INTERRUPT_P): Update.
4201 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4202 New static function.
4203 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4204 <disinterrupt>: Affects type identity.
4205 (epiphany_handle_interrupt_attribute): Handle variable number of
4207 (epiphany_compute_function_type): Update for new
4208 epiphany_function_type definition.
4209 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4210 handlers with a longcall forwarder.
4211 (epiphany_start_function): Handle multiple interrupt arguments and/or
4212 forwarder_section attribute.
4214 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4217 2012-02-07 Alan Modra <amodra@gmail.com>
4220 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4223 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4225 PR tree-optimization/50969
4226 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4227 use vec_perm rather than vector_stmt.
4228 (vect_model_load_cost): Likewise.
4229 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4230 vec_perm to be the same as other vector statements.
4231 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4232 cost of vec_perm for TARGET_VSX.
4234 2012-02-06 Richard Guenther <rguenther@suse.de>
4236 PR tree-optimization/52115
4237 * tree-sra.c (access_has_replacements_p): New function.
4238 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4240 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4243 * trans-mem.c (expand_call_tm): Add an assertion.
4244 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4247 2012-02-06 Richard Guenther <rguenther@suse.de>
4249 PR tree-optimization/50955
4250 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4251 raise cost of expressions that replace an address with an
4252 expression based on a different pointer.
4254 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4257 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4258 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4260 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4263 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4264 -Weffc++ and specify guidelines come from second edition.
4266 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4268 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4269 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4270 (call_direct_split, call_value_split, call_value_internal_direct)
4271 (call_value_direct_split, call_value_multiple_split): Use jal and
4272 jal_macro attributes.
4274 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4276 * reload1.c (reload_regs_reach_end_p): Replace with...
4277 (reload_reg_rtx_reaches_end_p): ...this function.
4278 (new_spill_reg_store): Update commentary.
4279 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4280 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4281 before setting new_spill_reg_store.
4282 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4283 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4284 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4285 for non-spill reload registers.
4287 2012-02-05 Ira Rosen <irar@il.ibm.com>
4289 PR tree-optimization/52091
4290 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4291 (vect_is_simple_use_1): Likewise.
4292 * tree-vect-loop.c (vectorizable_reduction): Update calls
4293 to vect_is_simple_use_1 and vect_is_simple_use.
4294 (vectorizable_live_operation): Likewise.
4295 * tree-vect-patterns.c (widened_name_p,
4296 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4297 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4298 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4299 vectorizable_shift,vectorizable_operation, vectorizable_store,
4300 vectorizable_load): Likewise.
4301 (vect_is_simple_cond): Add an argument, pass it to
4302 vect_is_simple_use_1.
4303 (vectorizable_condition): Update calls to vect_is_simple_cond,
4305 (vect_is_simple_use): Add an argument, the statement in which
4306 OPERAND is used. Check that if OPERAND's def stmt is a double
4307 reduction phi node, the use is a phi node too.
4308 (vect_is_simple_use_1): Add an argument, pass it to
4310 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4311 to vect_is_simple_use.
4313 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4315 PR rtl-optimization/52095
4316 * modulo-sched.c (dump_insn_locator): New function.
4317 (loop_canon_p, sms_schedule): Use it.
4319 PR rtl-optimization/52113
4320 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4321 even for decomposable shift/zext insns.
4323 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4324 Zdenek Dvorak <ook@ucw.cz>
4326 PR rtl-optimization/52092
4327 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4328 on get_iv_value result.
4330 2012-02-02 Andrew Pinski <apinski@cavium.com>
4334 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4336 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4339 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4341 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4343 PR rtl-optimization/49800
4344 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4345 (sched_finish): Call regstat_free_n_sets_and_refs.
4347 2012-02-02 Jia Liu <proljc@gmail.com>
4349 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4352 2012-02-02 Jan Hubicka <jh@suse.cz>
4353 Tom de Vries <tom@codesourcery.com>
4356 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4357 * varpool.c (varpool_analyze_pending_decls): Likewise.
4359 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4360 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4362 * config.gcc: Add cr16-* support.
4364 * doc/extend.texi: Document cr16 extensions.
4365 * doc/install.texi: Document cr16 install.
4366 * doc/invoke.texi: Document cr16 options.
4367 * doc/md.texi: Document cr16 constraints.
4369 * common/config/cr16/cr16-common.c: New file.
4370 * config/cr16/cr16.c: New file.
4371 * config/cr16/cr16.h: New file.
4372 * config/cr16/cr16.md: New file.
4373 * config/cr16/cr16.opt: New file.
4374 * config/cr16/cr16-protos.h: New file.
4375 * config/cr16/predicates.md: New file.
4376 * config/cr16/constraints.md: New file.
4377 * config/cr16/t-cr16: New file.
4379 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4382 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4383 that operands[2] is either immediate, or q_regs_operand.
4385 PR tree-optimization/52073
4386 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4387 a pattern stmt for pattern uses, ignore uses outside of the loop.
4389 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4391 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4392 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4393 (OUT_AS1, OUT_AS2): Remove.
4395 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4397 PR rtl-optimization/51374
4398 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4399 to cross other volatile_refs_p insns.
4401 2012-02-01 Richard Guenther <rguenther@suse.de>
4403 * doc/invoke.texi (fno-inline): Clarify documentation.
4404 (finline-small-functions): Likewise.
4405 (finline-functions): Likewise.
4406 * common.opt (finline): Adjust comment and documentation.
4407 (finline-small-functions): Clarify documentation.
4408 (finline-functions): Likewise.
4409 (finline-functions-called-once): Likewise.
4411 2012-02-01 Tristan Gingold <gingold@adacore.com>
4413 * c-typeck.c (composite_type): Keep mode for pointers.
4415 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4417 * function.h (regno_reg_rtx): Adjust comment.
4418 * reginfo.c (init_reg_modes_target): Only use the previous mode
4419 if it fits within one register. Remove MIPS comment.
4421 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4424 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4426 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4428 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4429 to srak instruction.
4431 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4433 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4435 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4440 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4442 2012-01-31 Richard Guenther <rguenther@suse.de>
4444 PR tree-optimization/51528
4445 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4448 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4453 * ree.c (add_removable_extension): Change def_map argument
4454 to unsigned *, store in def_map 1 + offset into *insn_list vector
4455 instead of pointers into the vector.
4456 (find_removable_extensions): Adjust caller.
4458 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4460 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4461 Transform all "* quoted-c-code" to { c-code }.
4462 Remove redundant test for "optimize" in combine patterns.
4463 Move (include "avr-dimode.md") to end of file.
4465 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4468 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4469 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4471 2012-01-30 Richard Guenther <rguenther@suse.de>
4473 PR tree-optimization/52028
4474 * tree-loop-distribution.c (ldist_gen): Properly update
4477 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4480 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4481 set_cur_line_info_table if not emitting debug info.
4483 PR tree-optimization/52046
4484 * tree-vect-patterns.c (check_bool_pattern): Give up if
4485 a comparison could throw.
4488 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4490 2012-01-30 Richard Guenther <rguenther@suse.de>
4492 PR tree-optimization/52045
4493 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4494 SSA form if cfgcleanup did anything.
4496 2012-01-30 Richard Guenther <rguenther@suse.de>
4498 PR tree-optimization/52045
4499 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4500 before computing final todo.
4502 2012-01-30 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/51528
4505 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4508 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4510 * df-problems.c (df_kill_notes): Check that the use refers
4511 to the note under examination.
4513 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4516 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4517 parameter and use short-lived pseudos.
4518 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4519 (sparc_expand_vector_init): Const-ify local variables and adjust
4520 calls to above functions.
4522 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4524 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4526 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4528 * doc/invoke.texi: Make usage of "compile time" and
4529 "run time"/"runtime" consistent throughout the file.
4531 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4533 * config/alpha/alpha.c (alpha_option_override): Default to
4534 full IEEE compliance mode for Go language.
4536 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4538 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4539 (LINK_SSP_SPEC): Define.
4541 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4544 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4547 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4549 * doc/invoke.texi: Correct hyphenation of "floating point",
4550 "double precision", and related terminology throughout the file.
4552 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4555 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4556 arm_general_register_operand predicate for operand 2 instead of
4559 2012-01-27 Ian Lance Taylor <iant@google.com>
4562 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4563 * builtins.c (expand_builtin_init_trampoline): Add onstack
4564 parameter. Change caller.
4565 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4566 * tree.c (build_common_builtin_nodes): Declare
4567 __builtin_init_heap_trampoline.
4569 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4571 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4572 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4573 * config/avr/avr.c: Ditto.
4574 (avr_regnames): Remove because unused.
4575 * config/avr/avr.md (*cpse.ne): New peephole.
4576 (*cpse.eq): New peephole from former cpse peepholes.
4578 2012-01-27 Michael Eager <eager@eagercon.com>
4580 * config/microblaze.c (microblaze_emit_compare): Correct
4581 test after pcmp instruction.
4583 2012-01-27 Richard Guenther <rguenther@suse.de>
4585 PR tree-optimization/52020
4586 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4588 2012-01-27 Richard Guenther <rguenther@suse.de>
4590 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4591 function non-const/pure.
4593 2012-01-27 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/50444
4596 * tree-sra.c (build_ref_for_offset): Properly adjust the
4597 MEM_REF type for unaligned accesses.
4599 2012-01-27 Richard Guenther <rguenther@suse.de>
4601 PR tree-optimization/50444
4602 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4603 (expand_assignment): Use it. Properly handle misaligned
4604 bases when expanding stores to component references.
4605 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4608 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4611 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4612 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4613 * tree-data-ref.c (find_data_references_in_loop): Make static.
4614 (compute_all_dependences): Change return type to bool. Bail out
4615 for too many datarefs in a loop. Move the hunk resetting the data
4616 dependences vector from ...
4617 (compute_data_dependences_for_loop): ... here. Account for
4618 compute_all_dependences returning false.
4619 (compute_data_dependences_for_bb): Likewise.
4620 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4621 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4623 2012-01-27 Richard Guenther <rguenther@suse.de>
4626 * expr.c (store_field): Use the alias-set of the scratch memory
4629 2012-01-27 Tom de Vries <tom@codesourcery.com>
4631 PR tree-optimization/51990
4632 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4634 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4636 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4639 * var-tracking.c (reverse_op): Don't add any reverse operation
4640 if V already has any constant locations.
4642 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4644 * doc/invoke.texi: Correct usage of "command line" (noun)
4645 vs "command-line" (adjective) throughout.
4647 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4649 * doc/invoke.texi (Language Independent Options): Move
4650 -Wcoverage-mismatch blurb from here....
4651 (Warning Options): ...to here.
4653 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4655 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4656 Set rs6000_always_hint to false for 476.
4658 2012-01-27 Matthias Klose <doko@ubuntu.com>
4660 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4662 * incpath.c (add_standard_paths): Likewise.
4664 2012-01-27 Richard Henderson <rth@redhat.com>
4666 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4667 * config/m68k/sync.md (atomic_test_and_set): Rename from
4668 sync_test_and_setqi and adjust the operands.
4669 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4670 and unconditionally enable.
4672 2012-01-27 Richard Henderson <rth@redhat.com>
4674 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4675 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4676 (ldstub): Rename from ldstubqi.
4677 (ldstub<I24MODE>): Remove.
4679 2012-01-27 Richard Henderson <rth@redhat.com>
4681 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4682 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4683 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4684 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4685 * doc/tm.texi: Rebuild.
4687 2012-01-27 Richard Henderson <rth@redhat.com>
4689 * optabs.c (gen_atomic_test_and_set): Remove default.
4690 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4692 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4694 PR rtl-optimization/51978
4695 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4696 (combine_reaching_defs): Likewise.
4697 (struct re_info): Remove.
4698 (add_removable_extension): Remove x and data arguments,
4699 add insn, insn_list and def_map. Use the arguments directly
4700 instead of using struct re_info.
4701 (find_removable_extensions): Don't call add_removable_extension
4702 through note_stores, instead just call it with single_set
4704 (find_and_remove_re): Pass curr_cand->expr instead of
4705 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4707 2012-01-26 Michael Matz <matz@suse.de>
4709 PR tree-optimization/46590
4710 * cfgexpand.c: Revert last change (r183305).
4711 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4713 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4714 checking for emptiness.
4716 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4719 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4720 non-addressable non-BLKmode base correctly.
4722 2012-01-26 Michael Matz <matz@suse.de>
4724 PR tree-optimization/48794
4725 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4726 regions referenced from RESX/EH_DISPATCH.
4728 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4730 * config/s390/s390.h: Make BRANCH_COST an option.
4731 * config/s390/s390.opt: New option -mbranch-cost.
4733 2012-01-26 Richard Henderson <rth@redhat.com>
4735 Revert 2012-01-24 change:
4736 * trans-mem.c (requires_barrier): Do not instrument thread local
4737 variables and emit save/restore for them.
4739 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4742 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4745 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4747 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4750 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4753 Rename __pgm to __flash.
4754 Rename __pgm1 to __flash1.
4755 Rename __pgm2 to __flash2.
4756 Rename __pgm3 to __flash3.
4757 Rename __pgm4 to __flash4.
4758 Rename __pgm5 to __flash5.
4759 Rename __pgmx to __memx.
4760 * doc/extend.texi (AVR Named Address Spaces)
4761 Rename address space names as indicated above.
4762 * config/avr/avr.c (avr_addrspace): Ditto.
4764 * config/avr/avr-protos.h
4765 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4766 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4767 * config/avr/predicates.md: Ditto.
4768 * config/avr/avr.c Ditto, and
4769 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4770 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4772 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4773 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4774 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4775 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4776 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4777 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4778 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4779 * config/avr/avr.c: Ditto.
4780 * config/avr/avr.md: Ditto.
4782 2012-01-25 Jason Merrill <jason@redhat.com>
4785 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4787 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4789 PR tree-optimization/51987
4790 * tree-data-ref.c (get_references_in_stmt): Handle references in
4791 non-volatile GIMPLE_ASM.
4793 2012-01-25 Richard Guenther <rguenther@suse.de>
4795 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4796 bases are dereferenced.
4798 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4800 PR rtl-optimization/48374
4801 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4803 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4805 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4806 compute_data_dependences_for_loop returns false.
4807 * tree-parloops.c (loop_parallel_p): Likewise.
4809 2012-01-25 Richard Guenther <rguenther@suse.de>
4811 * tree.h (get_pointer_alignment_1): Declare.
4812 * builtins.c (get_pointer_alignment_1): New function.
4813 (get_pointer_alignment): Use it.
4815 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4817 PR rtl-optimization/48308
4818 * combine.c (enum undo_kind): Add UNDO_LINKS.
4819 (struct undo): Add member l to other_contents and where.
4820 (do_SUBST_LINK): New.
4822 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4823 (undo_all): Handle UNDO_LINKS.
4825 2012-01-25 Richard Henderson <rth@redhat.com>
4827 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4830 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4832 * optabs.c (gen_atomic_test_and_set): Use each argument.
4834 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4836 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4837 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4838 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4839 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4840 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4841 TARGET_PAIRED_SINGLE_FLOAT.
4843 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4845 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4846 (in_struct, return_val): Remove MEM documentation.
4847 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4848 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4849 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4851 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4852 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4853 * expr.c (store_field): Likewise.
4854 * function.c (assign_stack_temp_for_type): Likewise.
4855 * ifcvt.c (noce_try_cmove_arith): Likewise.
4856 * reload1.c (reload): Likewise.
4857 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4858 (alpha_set_memflags): Likewise.
4859 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4861 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4863 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4865 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4866 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4867 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4869 * cselib.c (cselib_rtx_varies_p): Delete.
4870 (cselib_invalidate_mem): Update call to canon_true_dependence.
4871 * dse.c (record_store, check_mem_read_rtx): Likewise.
4872 (scan_reads_nospill): Likewise.
4873 * cse.c (check_dependence): Likewise.
4874 (cse_rtx_varies_p): Delete.
4875 * expr.c (safe_from_p): Update call to true_dependence.
4876 * ira.c (validate_equiv_mem_from_store): Likewise.
4877 (memref_referenced_p): Likewise.
4878 * postreload-gcse.c (find_mem_conflicts): Likewise.
4879 * sched-deps.c (sched_analyze_2): Likewise.
4880 * store-motion.c (load_kills_store): Likewise.
4881 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4882 * gcse.c (mems_conflict_for_gcse_p): Likewise.
4883 (compute_transp): Update call to canon_true_dependence.
4885 2012-01-25 Richard Henderson <rth@redhat.com>
4887 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4888 (maybe_emit_atomic_test_and_set): New.
4889 (expand_sync_lock_test_and_set): Use it.
4890 (expand_atomic_test_and_set): Likewise.
4891 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4892 the implementation; clarify implementation defined details.
4893 * doc/md.texi (atomic_test_and_set): Document.
4895 2012-01-25 Richard Henderson <rth@redhat.com>
4897 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4899 2012-01-25 Richard Henderson <rth@redhat.com>
4902 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4903 to effect no-op split.
4905 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4908 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4909 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4910 (BT_FN_VOID_PTR_INT_SIZE): New.
4911 (BT_FN_UINT_UINT_VAR): Remove.
4912 (BT_FN_UINT32_UINT32_VAR): New.
4913 (BT_FN_DOUBLE_VPTR): Remove.
4914 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4916 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4917 (_ITM_changeTransactionMode): Same.
4918 (_ITM_memmoveRtWt): Change return type to void.
4919 (_ITM_memcpyRtWt): Same.
4920 (_ITM_memsetW): Same.
4921 (_ITM_RaRD): Change types to double.
4926 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4928 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
4929 Patrick Marlier <patrick.marlier@gmail.com>
4931 * trans-mem.c (requires_barrier): Do not instrument thread local
4932 variables and emit save/restore for them.
4934 2012-01-24 Jason Merrill <jason@redhat.com>
4937 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4938 output static aliases.
4940 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4943 * common.opt (-pie, -shared, pie, shared): Change from Common to
4945 * gcc.c (display_help): Display help for -pie and -shared.
4947 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
4950 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4951 Remove note on size/offset limitation.
4952 (AVR Variable Attributes): Add example how to read data located
4953 with progmem. Refer to named address spaces.
4954 * doc/invoke.texi (AVR Options): Fix typo.
4956 2012-01-24 Richard Guenther <rguenther@suse.de>
4958 Forward-port to trunk
4959 2010-09-21 Jakub Jelinek <jakub@redhat.com>
4962 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4963 op0 isn't sufficiently aligned and there is movmisalignM
4964 insn for mode, use it to load op0 into a temporary register.
4966 2012-01-24 Jakub Jelinek <jakub@redhat.com>
4969 * target.def (const_not_ok_for_debug_p): New hook.
4970 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4972 * doc/tm.texi: Regenerated.
4973 * dwarf2out.c (const_ok_for_output_1): If
4974 targetm.const_not_ok_for_debug_p returns true, fail.
4975 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4977 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4979 2012-01-23 Kai Tietz <ktietz@redhat.com>
4982 * config/i386/predicates.md (symbolic_operand): Allow
4983 UNSPEC_PCREL as PIC expression for lea.
4984 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4985 * config/i386/i386.c (ix86_delegitimize_address): Handle
4986 UNSPEC_PCREL for none-MEM, too.
4988 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
4990 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4991 (ipa_tm_create_version_alias): Same.
4993 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4996 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4997 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4999 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5000 Patrick Marlier <patrick.marlier@gmail.com>
5001 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5004 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5005 simple_object_start_read.
5007 2012-01-23 Richard Guenther <rguenther@suse.de>
5010 PR tree-optimization/51895
5011 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5012 parameter decomposition into BLKmode components.
5014 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5016 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5017 fake variables for restrict-qualified pointers whose pointed-to type
5018 contains a placeholder.
5020 2012-01-23 Richard Guenther <rguenther@suse.de>
5022 PR tree-optimization/51949
5023 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5025 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5027 PR rtl-optimization/51933
5028 * ree.c (transform_ifelse): Return true right away if dstreg is
5029 already wider or equal to cand->mode.
5030 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5031 (make_defs_and_copies_lists): Remove defs_list and copies_list
5032 arguments, add state argument, just truncate state->work_list
5033 instead of always allocating and freeing the vector. Assert that
5034 get_defs succeeds instead of returning 2. Changed return type to bool.
5035 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5036 have ext_src_mode, see if it has been modified already with the
5037 right kind of extension and has been extended before from the
5038 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5039 just return true. Remember the original mode in state->modified array.
5040 (combine_reaching_defs): Add state argument. Don't allocate and
5041 free here def_list, copied_list and vec vectors, instead just
5042 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5043 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5044 Add state variable, clear vectors in it, initialize state.modified
5045 if needed. Free all the vectors at the end and state.modified too.
5046 Don't skip a candidate if the extension expression has been modified.
5048 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5051 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5052 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5053 (extra_options) interix.opt -> i386/interix.opt"
5054 (extra_objs):Add winnt-stubs.o
5055 * configure.ac: Add interix to target_os .comm on PE check.
5056 * configure: Regenerate.
5057 * config/interix3.h: Delete and move bits to..
5058 * config/interix.h: Delete and move bits to..
5059 * config/i386/i386-interix3.h: Delete and move bits to..
5060 * config/i386/i386-interix.h: ..here.
5061 (TARGET_CPU_DEFAULT): Remove redefinition.
5062 (TARGET_ASM_CONSTRUCTOR): Undefine.
5063 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5064 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5065 (PTRDIFF_TYPE): Define.
5066 (LONG_DOUBLE_TYPE_SIZE): Define.
5067 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5068 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5069 (TARGET_SECTION_TYPE_FLAGS): Define.
5070 (ASM_DECLARE_FUNCTION_NAME): Define.
5071 (ASM_OUTPUT_EXTERNAL): Define.
5072 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5073 (ASM_OUTPUT_ALIGNED_BSS): Define.
5074 (PCC_BITFIELD_TYPE_MATTERS): Define.
5075 (USE_CONST_SECTION): Define.
5076 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5077 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5078 (SUPPORTS_ONE_ONLY): Remove.
5079 (I386_PE_STRIP_ENCODING): Define.
5080 * config/interix.opt: Delete and move bits to..
5081 * config/i386/interix.opt: ..here. New.
5082 (mpe-aligned-commons): Add.
5083 * config/i386/t-interix: Add copyright header.
5084 (winnt-stubs.o): Add rule.
5086 2012-01-22 Jason Merrill <jason@redhat.com>
5089 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5090 for extra name aliases.
5092 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5094 PR rtl-optimization/51924
5095 * ree.c (combine_set_extension): Improve debugging message.
5096 (combine_reaching_defs): Likewise.
5097 (get_defs): Rename confusingly named variable.
5098 (find_and_remove_re): Skip a candidate if the extension expression has
5101 2012-01-21 Robert Millan <rmh@gnu.org>
5102 Gerald Pfeifer <gerald@pfeifer.com>
5104 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5105 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5107 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5109 PR tree-optimization/51914
5110 * tree-vect-stmts.c (vectorizable_conversion): For
5111 cvt_type && modifier == WIDEN, put temporary with cvt_type
5112 at the beginning of vec_dsts and set vec_dest to temporary
5115 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5117 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5119 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5121 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5122 * config/rs6000/rs6000.c: Likewise.
5124 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5127 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5128 output_move_double on a copy of operands array.
5130 2012-01-20 Cary Coutant <ccoutant@google.com>
5131 Dodji Seketeli <dodji@redhat.com>
5134 * dwarf2out.c (copy_declaration_context): Return ref to parent
5135 of declaration DIE, if necessary.
5136 (remove_child_or_replace_with_skeleton): Add new parameter; update
5137 caller. Place skeleton DIE under parent DIE of original declaration.
5138 Move call to copy_declaration_context to here ...
5139 (break_out_comdat_types): ... from here.
5141 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5143 PR rtl-optimization/51856
5144 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5147 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5150 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5151 hints for neon loads and stores.
5153 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5157 * doc/extend.texi (Named Address Spaces): Split into subsections.
5158 (AVR Named Address Spaces): New subsection.
5159 (M32C Named Address Spaces): New subsection.
5160 (RL78 Named Address Spaces): New subsection.
5161 (SPU Named Address Spaces): New subsection.
5162 (Variable Attributes): New anchor "AVR Variable Attributes".
5163 (AVR Variable Attributes): Rewrite and avoid wording
5164 "address space" in this context.
5165 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5166 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5167 (AVR Built-in Macros): New subsubsection therein.
5168 * doc/md.texi (AVR constraints): Remove "C04", "R".
5170 2012-01-20 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/51903
5173 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5174 when removing stmts.
5176 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5179 * config/arm/arm.c (arm_load_pic_register): Use
5180 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5181 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5182 (arm_pic_static_addr): Likewise.
5183 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5184 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5185 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5186 (pic_load_addr_unified): New.
5188 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5191 * function.c (instantiate_virtual_regs_in_insn): Use
5192 delete_insn_and_edges when removing a wrong asm insn.
5194 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5196 PR rtl-optimization/40761
5197 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5198 Add new member loop_num.
5199 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5200 (ira_build): Remove the parameter.
5202 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5203 (ira.c): Do not build CFG loops for one region allocation. Remove
5204 argument from ira_build call.
5206 * ira-build.c (init_loop_tree_node): New function.
5207 (create_loop_tree_nodes): Use it. Separate the case when CFG
5208 loops are not built.
5209 (more_one_region_p): Check current_loops.
5210 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5212 (add_loop_to_tree): Process loop equal to NULL too.
5213 (form_loop_tree): Separate the case when CFG loops are not built.
5214 Use explicitly number for the root.
5215 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5217 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5218 instead of loop->num.
5219 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5220 (mark_all_loops_for_removal): Ditto.
5221 (remove_unnecessary_regions): Separate the case when CFG loops
5223 (ira_build): Remove the parameter. Use explicit number of regions
5224 when CFG loops are not built.
5226 * ira-color.c (print_loop_title): Separate the case for the root node.
5227 Use loop_num instead of loop->num.
5228 (move_spill_restore): Use loop_num instead of loop->num.
5230 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5231 (change_loop): Ditto.
5232 (change_loop): Use loop_num instead of loop->num.
5234 * ira-lives.c (process_bb_node_lives): Ditto.
5236 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5238 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5240 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5243 * tree-mudflap.c (mf_artificial): New function.
5244 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5245 mx_register_decls, mudflap_enqueue_decl): Use it.
5248 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5249 numbers in the insn pattern.
5251 2012-01-19 Michael Matz <matz@suse.de>
5253 PR tree-optimization/46590
5254 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5255 use it in remembering which conflicts we already created.
5256 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5259 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5262 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5263 (merge_and_complain): Same.
5265 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5268 * config/initfini-array.h: Guard content of the header
5269 with #ifdef HAVE_INITFINI_ARRAY.
5270 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5271 Add initfini-array.h to tm_file here.
5272 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5273 * config.gcc: Don't add initfini-array.h to tm_file here.
5274 * configure: Regenerated.
5276 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5278 PR rtl-optimization/51505
5279 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5280 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5281 (df_note_bb_compute): Update the call to df_kill_notes.
5283 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5285 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5287 2012-01-18 Richard Guenther <rguenther@suse.de>
5289 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5290 of conversions to void *.
5292 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5293 Richard Sandiford <rdsandiford@googlemail.com>
5297 * optabs.h (simplify_expand_binop): Declare.
5298 * optabs.c (simplify_expand_binop): Make global.
5299 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5300 endian targets if the source cannot be exactly covered by word
5303 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5306 * hard-reg-set.h (struct hard_reg_set_container): New type.
5307 * target.h (struct hard_reg_set_container): Forward declare.
5308 * target.def (set_up_by_prologue): New target hook.
5309 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5310 * doc/tm.texi: Regenerated.
5311 * function.c (thread_prologue_and_epilogue_insns): Change
5312 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5313 Call targetm.set_up_by_prologue on it.
5314 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5315 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5317 2012-01-17 Nick Clifton <nickc@redhat.com>
5319 * config/rx/rx.c (rx_can_use_simple_return): New function.
5320 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5321 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5323 2012-01-17 Richard Guenther <rguenther@suse.de>
5326 * expr.c (expand_assignment): Take address-space information
5327 from the address operand of MEM_REF and TARGET_MEM_REF.
5328 (expand_expr_real_1): Likewise.
5330 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5332 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5333 reload dump is requested.
5335 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5338 * trans-mem.c (requires_barrier): Call may_be_aliased.
5340 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5342 PR tree-optimization/51877
5343 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5344 call arguments and fndecls compare equal, instead return false if they
5345 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5346 both SSA_NAMEs that are valueized the same, or they satisfy
5349 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5351 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5353 * configure: Regenerate.
5355 2012-01-16 Jan Hubicka <jh@suse.cz>
5359 * convert.c (convert_to_integer): Use fold_convert for
5360 converting an INTEGER_CST to integer type.
5362 2012-01-16 Jason Merrill <jason@redhat.com>
5365 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5367 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5370 * config/s390/s390.c (s390_chunkify_start): Don't skip
5371 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5372 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5373 If insn is followed by NOTE_INSN_VAR_LOCATION or
5374 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5375 Don't use location of note insns.
5377 PR tree-optimization/51865
5378 * tree-inline.c (tree_function_versioning): Call remap_decl
5379 on DECL_RESULT whenever it has VOID_TYPE_P type.
5381 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5383 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5384 for calls to locally-binding MIPS16 functions if only the return
5385 type uses float regs.
5387 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5388 Richard Sandiford <rdsandiford@googlemail.com>
5390 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5391 (SYMBOL_32_HIGH): Likewise.
5392 (mips_output_tls_reloc_directive): Declare.
5393 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5394 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5395 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5396 (mips_lo_relocs, mips_hi_relocs): Make extern.
5397 (mips16_stub_function): Move up file.
5398 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5399 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5400 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5401 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5402 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5403 (mips_get_tp): Add MIPS16 support.
5404 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5405 Generalize DTPREL and TPREL handling.
5406 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5407 Add MIPS16 TLS support.
5408 (mips_output_tls_reloc_directive): New function.
5409 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5410 * config/mips/predicates.md (symbolic_operand_with_high)
5411 (tls_reloc_operand): New predicates.
5412 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5413 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5414 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5415 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5416 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5417 (*tls_get_tp_mips16_call_<mode>): Likewise.
5419 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5421 PR rtl-optimization/51821
5422 * recog.c (peep2_find_free_register): Determine clobbered registers
5425 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5428 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5429 * config/avr/avr.c: Likewise.
5430 * config/avr/avr.h: Likewise.
5432 2012-01-13 Ian Lance Taylor <iant@google.com>
5435 * tree.h (TYPE_QUALS): Add cast to int.
5436 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5438 2012-01-13 Ian Lance Taylor <iant@google.com>
5440 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5441 comparing param_index to VEC_length result.
5443 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5445 * c-decl.c: Do not include tree-mudflap.h
5446 * tree-optimize.c: Likewise.
5447 * Makefile.in: Update dependencies.
5449 2012-01-13 Richard Guenther <rguenther@suse.de>
5452 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5453 variable-sized result always use RSO.
5455 2012-01-12 DJ Delorie <dj@redhat.com>
5457 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5458 pointer type, not just the default pointer type.
5460 2012-01-09 Richard Henderson <rth@redhat.com>
5461 Denis Chertykov <chertykov@gmail.com>
5464 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5465 * config/avr/avr.c (avr_can_eliminate): Simplify.
5466 (avr_initial_elimination_offset): Likewise.
5467 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5468 (expand_epilogue): Likewise.
5469 (avr_legitimize_address): Gut.
5470 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5471 (avr_hard_regno_nregs): New.
5472 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5473 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5474 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5475 add soft frame pointer.
5476 (CALL_USED_REGISTERS): Likewise.
5477 (REG_CLASS_CONTENTS): Likewise.
5478 (REGISTER_NAMES): Likewise.
5479 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5480 (HARD_FRAME_POINTER_REGNUM): New.
5481 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5482 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5483 remove the HARD_FRAME_POINTER self-elimination.
5485 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5488 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5489 DECL_EXTERNAL when checking for initializers of progmem variables.
5491 2012-01-12 Ira Rosen <irar@il.ibm.com>
5493 PR tree-optimization/51799
5494 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5495 that the last operation is a type demotion.
5497 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5499 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5500 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5502 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5505 * combine.c (distribute_notes): If i3 is a noreturn call,
5506 allow old_size to be equal to args_size and make sure the
5507 noreturn call gets REG_ARGS_SIZE note.
5508 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5509 on noreturn calls even when the delta is 0.
5511 2012-01-11 Nathan Sidwell <nathan@acm.org>
5513 * gcov.c (STRING_SIZE): Remove.
5514 (generate_results): Erase annotations for source files with no
5515 coverage information.
5517 (output_lines): Use it.
5519 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5521 * gimple.h (gimplify_body): Remove first argument.
5522 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5523 pointer set here, instead just pass DATA to walk_tree.
5524 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5525 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5526 (unvisit_body): Likewise, but with unmark_visited.
5527 (gimplify_body): Remove BODY_P argument and adjust.
5528 (gimplify_function_tree): Adjust call to gimplify_body.
5529 * omp-low.c (finalize_task_copyfn): Likewise.
5531 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5533 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5534 (build_function_type_skip_args): Delete.
5535 * tree.c (build_function_type_skip_args): Make static and add
5536 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5537 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5538 pass it to build_function_type_skip_args.
5539 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5540 (tree_function_versioning): Likewise.
5541 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5542 build_function_decl_skip_args.
5543 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5544 and pass it to build_function_decl_skip_args/tree_function_versioning.
5545 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5546 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5547 * trans-mem.c (ipa_tm_create_version): Likewise.
5548 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5549 * tree-inline.c (declare_return_variable): Remove always-true test.
5550 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5551 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5552 * ipa-split.c (split_function): Skip the return value for the split
5553 part if it doesn't return.
5555 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5557 PR tree-optimization/49642
5558 * ipa-split.c (forbidden_dominators): New variable.
5559 (check_forbidden_calls): New function.
5560 (dominated_by_forbidden): Likewise.
5561 (consider_split): Check for forbidden dominators.
5562 (execute_split_functions): Initialize and free forbidden
5563 dominators info; call check_forbidden_calls.
5565 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5567 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5569 2012-01-11 Nick Clifton <nickc@redhat.com>
5571 * config/rx/rx.md (return): Define pattern.
5573 2012-01-11 Richard Guenther <rguenther@suse.de>
5575 * doc/extend.texi (malloc attribute): Adjust according to
5578 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5579 Patrick Marlier <patrick.marlier@gmail.com>
5582 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5583 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5584 (ipa_tm_note_irrevocable): Same.
5585 (ipa_tm_scan_irr_block): Same.
5586 (ipa_tm_decrement_clone_counts): Same.
5587 (ipa_tm_scan_irr_function): Same.
5588 (ipa_tm_create_version_alias): Same.
5589 (ipa_tm_create_version): Same.
5590 (ipa_tm_transform_calls_redirect): Same.
5591 (ipa_tm_transform_calls): Same.
5592 (ipa_tm_transform_transaction): Same.
5593 (ipa_tm_execute): Same.
5595 2012-01-10 Richard Guenther <rguenther@suse.de>
5598 * opts.c (common_handle_option): Handle -Werror.
5600 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5602 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5605 2012-01-10 Jason Merrill <jason@redhat.com>
5607 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5610 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5612 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5613 supports R_386_TLS_GD_PLT reloc.
5614 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5615 supports R_386_TLS_LDM_PLT reloc.
5616 * configure: Regenerate.
5617 * config.in: Regenerate.
5619 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5622 Extend __pgmx semantics to linearize memory.
5623 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5624 determine if code comes inline or from libgcc.
5625 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5626 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5627 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5628 (movmemx_qi, movmemx_hi): New insns.
5629 (xload_<mode>_libgcc): Rewrite to new insn condition.
5630 (xload_<mode>): Remove insns.
5631 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5632 cases that don't satisfy avr_xload_libgcc_p().
5633 (avr_addr_space_convert): Allow converting in any direction.
5634 (avr_addr_space_subset_p): Return always true.
5635 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5636 (avr_emit_movmemhi): Ditto.
5637 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5638 (avr_out_movmem): Ditto.
5639 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5640 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5641 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5642 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5643 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5645 2012-01-10 Richard Guenther <rguenther@suse.de>
5647 PR tree-optimization/50913
5648 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5649 Require data-refs to be representable by Graphite with respect
5652 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5654 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5655 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5657 2012-01-10 Tom de Vries <tom@codesourcery.com>
5659 PR rtl-optimization/51271
5660 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5661 handling annulled branch.
5663 2012-01-10 Richard Henderson <rth@redhat.com>
5665 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5666 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5667 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5668 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5669 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5670 arm_expand_vec_perm_const): New.
5671 * config/arm/arm-protos.h: Update.
5672 * config/arm/neon.md (UNSPEC_VCONCAT): New.
5673 (*neon_vswp<VDQX>): New.
5674 (neon_vcombine<VDX>): Use neon_split_vcombine.
5675 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5676 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5677 (vec_perm<VE>): New.
5679 2012-01-10 Richard Henderson <rth@redhat.com>
5681 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5682 use it if reload_completed.
5683 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5684 arm_output_asm_insn, arm_process_output_memory_barrier,
5685 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5686 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5687 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5688 arm_process_output_sync_insn, arm_output_sync_insn,
5689 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5690 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5691 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5692 (emit_unlikely_jump): New.
5693 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5694 (arm_split_atomic_op): New.
5695 * config/arm/arm-protos.h: Update.
5696 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5697 (struct arm_sync_generator): Remove.
5698 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5699 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5700 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5701 (VUNSPEC_LL, VUNSPEC_SC): New.
5702 (sync_result, sync_memory, sync_required_value, sync_new_value,
5703 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5704 (attr length): Don't use arm_sync_loop_insns.
5705 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5706 (movsfcc, movdfcc): Likewise.
5707 * config/arm/constraints.md (Ua): New.
5708 * config/arm/prediates.md (mem_noofs_operand): New.
5709 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5710 (sync_clobber, sync_t2_reqd): Remove.
5711 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5712 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5713 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5714 (arm_sync_compare_and_swap<SIDI>): Remove.
5715 (arm_sync_compare_and_swap<NARROW>): Remove.
5716 (arm_sync_lock_test_and_set<SIDI>): Remove.
5717 (arm_sync_lock_test_and_set<NARROW>): Remove.
5718 (arm_sync_new_<syncop><SIDI>): Remove.
5719 (arm_sync_new_<syncop><NARROW>): Remove.
5720 (arm_sync_new_nand<SIDI>): Remove.
5721 (arm_sync_new_nand<NARROW>): Remove.
5722 (arm_sync_old_<syncop><SIDI>): Remove.
5723 (arm_sync_old_<syncop><NARROW>): Remove.
5724 (arm_sync_old_nand<SIDI>): Remove.
5725 (arm_sync_old_nand<NARROW>): Remove.
5726 (*memory_barrier): Merge arm_output_memory_barrier.
5727 (atomic_compare_and_swap<QHSD>): New.
5728 (atomic_compare_and_swap<NARROW>_1): New.
5729 (atomic_compare_and_swap<SIDI>_1): New.
5730 (atomic_exchange<QHSD>): New.
5731 (cas_cmp_operand, cas_cmp_str): New.
5732 (atomic_op_operand, atomic_op_str): New.
5733 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5734 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5735 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5736 (arm_load_exclusive<NARROW>): New.
5737 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5738 (arm_store_exclusive<QHSD>): New.
5740 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5742 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5743 reload patterns if -mvsx-scalar-memory.
5745 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5746 generated, even -mno-vsx-scalar-double was used.
5747 (vsx_xscvdpsp_scalar): Likewise.
5748 (vsx_xscvspdp_scalar2): Likewise.
5750 2012-01-09 Tom de Vries <tom@codesourcery.com>
5751 Andrew Pinski <apinski@cavium.com>
5754 * reorg.c (fill_slots_from_thread): Don't speculate
5755 frame-related insns.
5757 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5759 * sched-int.h (bb_note): Move to...
5760 * basic-block.h: ...here.
5761 * haifa-sched.c (bb_note): Move to...
5762 * cfgrtl.c: ...here.
5763 * function.c (next_block_for_reg): New function.
5764 (move_insn_for_shrink_wrap): Likewise.
5765 (prepare_shrink_wrap): Rewrite to use the above.
5767 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5769 * gimple.c (is_gimple_non_addressable): Remove.
5770 * gimple.h: Remove is_gimple_non_addressable.
5771 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5772 is_gimple_non_addressable.
5773 * trans-mem.c (expand_assign_tm): Same.
5775 2012-01-09 Richard Guenther <rguenther@suse.de>
5777 PR tree-optimization/51775
5778 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5779 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5781 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5783 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5785 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5787 2012-01-09 Richard Guenther <rguenther@suse.de>
5789 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5791 2012-01-08 Jan Hubicka <jh@suse.cz>
5793 PR tree-optimize/51680
5794 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5795 on when known_vals needs to be computed; cleanup.
5797 2012-01-08 Jan Hubicka <jh@suse.cz>
5799 PR tree-optimize/51694
5800 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5802 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5804 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5805 for -std=c++98 and -std=c++11 too.
5807 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5809 * cfgloop.c (cancel_loop): Add free() of bbs array.
5811 2012-01-07 Jan Hubicka <jh@suse.cz>
5813 PR tree-optimization/51600
5814 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5815 that benefits small functions.
5817 2012-01-07 Jan Hubicka <jh@suse.cz>
5819 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5821 2012-01-07 Jan Hubicka <jh@suse.cz>
5823 PR tree-optimization/51680
5824 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5825 whose inlining reduce unit size.
5827 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5830 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5831 Add canonical node to containing_mem chain after the non-canonical
5832 one, even if there weren't any locs to propagate.
5833 (remove_useless_values): Keep only canonical values.
5834 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5835 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5836 canonicalize mem_chain elements that are not discarded.
5838 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5841 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5842 before emitting functions.
5844 PR gcov-profile/50127
5845 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5846 clear_aux_for_blocks.
5848 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5851 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5853 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5855 * c-decl.c (ext_block): Moved up.
5856 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5858 2012-01-06 Han Shen <shenhan@google.com>
5860 Translate built-in include paths for sysroot.
5861 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5862 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5864 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5865 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5867 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5868 control whether sysroot should be prepended to gxx include dir.
5870 * configure: Regenerate.
5872 2012-01-06 Torvald Riegel <triegel@redhat.com>
5874 PR rtl-optimization/51771
5875 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5876 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5878 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5880 PR tree-optimization/51315
5881 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5882 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5884 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
5887 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5888 for shrp pattern. Correctly handle and fixup shift variable.
5889 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5891 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5894 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5895 note when !ACCUMULATE_OUTGOING_ARGS.
5897 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
5899 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5901 (extract_range_from_unary_expr_1): Avoid useless computations.
5903 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5905 PR rtl-optimization/51767
5906 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5907 of jump_block and add an extra edge for degenerated asm gotos.
5910 * stmt.c (check_unique_operand_names): Don't ICE during error
5911 reporting if i is from labels chain.
5914 * profile.c (branch_prob): Split bbs that have exit edge
5915 and need a fake entry edge too.
5917 2012-01-05 Jan Hubicka <jh@suse.cz>
5920 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5923 2012-01-05 Richard Guenther <rguenther@suse.de>
5926 * tree-streamer-out.c (write_ts_optimization): New function.
5927 (streamer_write_tree_body): Call it.
5928 * tree-streamer-in.c (lto_input_ts_optimization): New function.
5929 (streamer_read_tree_body): Call it.
5930 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5932 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5935 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5936 * gimplify.c (gimplify_cleanup_point_expr): Save and set
5937 in_cleanup_point_expr before gimplify_stmt call and restore it
5939 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5940 in_cleanup_point_expr is false.
5942 2012-01-05 Richard Guenther <rguenther@suse.de>
5945 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5947 * toplev.c (process_options): Reject combining mudflap and LTO.
5948 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5950 2012-01-05 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/51760
5953 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5955 (bit_value_unop): Handle UNDEFINED operands.
5956 (bit_value_binop): Likewise.
5958 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
5960 * config/avr/avr.c (avr_replace_prefix): Remove.
5961 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5962 (avr_asm_function_rodata_section): Ditto.
5963 (avr_asm_select_section): Ditto.
5965 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
5967 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5970 2012-01-05 Jakub Jelinek <jakub@redhat.com>
5973 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5974 calls that have any non-fake successor edges.
5977 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5979 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
5981 PR tree-optimization/51624
5982 * tree-sra.c (build_ref_for_model): When replicating a chain of
5983 COMPONENT_REFs, stop as soon as the offset would become negative.
5985 2012-01-04 Jakub Jelinek <jakub@redhat.com>
5988 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5989 in .debug_loc on the floor.
5991 2012-01-04 Andrew Pinski <apinski@cavium.com>
5993 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5995 2012-01-04 Andrew Pinski <apinski@cavium.com>
5996 Adam Nemet <anemet@caviumnetworks.com>
5998 * config/mips/mips.md (size): Add SI and DI.
5999 (SIZE): New mode attribute.
6000 (U): New code attribute.
6001 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6002 (mips_lbux_<mode>): Delete.
6003 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6004 (mips_lhx): Use gen_mips_lhx_extsi.
6005 (mips_lhx_<mode>): Delete.
6007 (mips_l<size>x): New expand.
6008 (mips_lwx_<mode>): Delete.
6009 (mips_l<GPR:size>x_<P:mode>): New pattern.
6010 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6011 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6012 * config/mips/mips.c (mips_lx_address_p): New function.
6013 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6014 (dsp64): New availability predicate.
6015 (mips_builtins): Add an entry for __builtin_mips_ldx.
6016 * config/mips/mips.h (ISA_HAS_LBX): New define.
6017 (ISA_HAS_LBUX): Likewise.
6018 (ISA_HAS_LHX): Likewise.
6019 (ISA_HAS_LHUX): Likewise.
6020 (ISA_HAS_LWX): Likewise.
6021 (ISA_HAS_LWUX): Likewise.
6022 (ISA_HAS_LDX): Likewise.
6023 * doc/extend.texi (__builtin_mips_ldx): Document.
6025 2012-01-04 Tristan Gingold <gingold@adacore.com>
6027 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6028 when long pointers are used.
6029 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6030 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6031 (ia64-hp-*vms*): Remove.
6032 * config/vms/xm-vms64.h: Delete.
6034 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6037 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6039 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6041 * opts.c (finish_options): Remove duplicate sorry.
6043 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6046 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6049 2012-01-04 Richard Guenther <rguenther@suse.de>
6052 * tree.c (size_low_cst): New function.
6053 * tree.h (size_low_cst): Declare.
6054 * fold-const.c (fold_comparison): Use it to extract the low
6055 part of the POINTER_PLUS_EXPR offset.
6057 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6059 Fix clearing ZERO_REG
6060 * config/avr/avr.md (cc): Add alternative "ldi".
6061 (movqi_insn): Use it in cc attribute.
6062 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6063 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6064 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6066 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6068 * configure: Regenerate.
6070 2012-01-04 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/49651
6073 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6074 (var_can_have_subvars): Use it.
6075 (get_constraint_for_1): Only consider subfields if there can be any.
6077 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6080 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6081 to its new canonical_cselib_val and the cselib_val was in
6082 first_containing_mem chain, but the canonical_cselib_val was not,
6083 add the latter into the chain.
6084 (cselib_invalidate_mem): Compare canonical_cselib_val of
6085 addr_list chain elt with v.
6088 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6089 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6091 (output_macinfo_op): Don't ggc_strdup fd->filename.
6092 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6093 then ggc_strdup it. Don't free inc->info or cur->info.
6094 (output_macinfo): Don't free ref->info or file->info.
6096 2012-01-03 Ira Rosen <irar@il.ibm.com>
6098 PR tree-optimization/51269
6099 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6100 first_niters a pointer.
6101 (slpeel_tree_peel_loop_to_edge): Likewise.
6102 (vect_do_peeling_for_loop_bound): Update call to
6103 slpeel_tree_peel_loop_to_edge.
6104 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6105 here. Remove it from the parameters list.
6106 (vect_do_peeling_for_alignment): Update calls and compute
6109 2012-01-03 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/51070
6112 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6113 Properly handle calls.
6115 2012-01-03 Richard Guenther <rguenther@suse.de>
6117 PR tree-optimization/51692
6118 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6119 the LHS of allocation stmts.
6121 2012-01-03 Olivier Hainque <hainque@adacore.com>
6123 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6125 2012-01-03 Olivier Hainque <hainque@adacore.com>
6127 * collect2.c (main): In AIX specific computations for vector
6128 insertions, use CONST_CAST2 to cast from char ** to const char **.
6130 2012-01-03 Richard Guenther <rguenther@suse.de>
6133 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6134 the context of a limbo DIE when it does not already exist.
6136 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6138 PR tree-optimization/51719
6139 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6140 but direct call is, clear direct call's lhs and don't add fallthrough
6141 edge from dcall_bb to join_bb and PHIs.
6143 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6145 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6146 the instructions emitted by the pattern.
6147 ("*TDC_insn_<mode>"): Add comment.
6149 2012-01-03 Richard Guenther <rguenther@suse.de>
6152 * fold-const.c (fold_comparison): Properly canonicalize
6153 tree offset and HOST_WIDE_INT bit position.
6155 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6157 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6158 operands for extzv pattern.
6160 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6163 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6166 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6168 * doc/invoke.texi (-flto and related options): Copy-edit.
6170 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6172 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6174 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6176 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6179 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6181 * expr.h (move_by_pieces_ninsns): Declare.
6182 * expr.c (move_by_pieces_ninsns): Make external.
6183 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6184 (mips_store_by_pieces_p): Likewise.
6185 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6186 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6187 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6188 (mips_store_by_pieces_p): Likewise.
6190 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6192 * passes.c (register_one_dump_file): Free full_name.
6194 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6195 (calculate_elim_costs_all_insns): Free offsets_at and
6196 offsets_known_at at the end and clear the pointers.
6198 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6200 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6201 this option introduced in r180739.
6203 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6206 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6207 (tmake_file target=avr): Add avr/t-multilib.
6209 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6210 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6211 * config/avr/genmultilib.awk: New file.
6212 * config/avr/t-multilib: New auto-generated file.
6213 * config/avr/multilib.h: New auto-generated file.
6214 * config/avr/t-avr (AVR_MCUS): New variable.
6215 (genopt.sh): Use it.
6216 (s-mlib): Depend on t-multilib.
6217 (t-multilib, multilib.h): New dependencies.
6218 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6219 (MULTILIB_OPTIONS): Remove.
6220 (MULTILIB_MATCHES): Remove.
6221 (MULTILIB_DIRNAMES): Remove.
6222 (MULTILIB_EXCEPTIONS): Remove:
6223 * config/avr/genopt.sh: Don't use hard coded file name;
6224 pass AVR_MCUS from t-avr instead.
6226 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6228 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6230 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6232 Implement light-weight DImode support.
6233 * config/avr/avr-dimode.md: New file.
6234 * config/avr/avr.md: Include it.
6235 (adjust_len): Add plus64, compare64.
6236 (HIDI): Remove code iterator.
6237 (code_stdname): New code attribute.
6238 (rotx, rotsmode): Remove DI.
6239 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6241 * config/avr/avr-protos.h (avr_have_dimode): New.
6242 (avr_out_plus64, avr_out_compare64): New.
6243 * config/avr/avr.c (avr_out_compare): Handle DImode.
6244 (avr_have_dimode): New variable definition and initialization.
6245 (avr_out_compare64, avr_out_plus64): New functions.
6246 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6247 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6248 (avr_compare_pattern): Skip DImode comparisons.
6250 2012-01-02 Revital Eres <revital.eres@linaro.org>
6252 * ddg.c (def_has_ccmode_p): New function.
6253 (add_cross_iteration_register_deps,
6254 create_ddg_dep_from_intra_loop_link): Call it.
6256 2012-01-02 Richard Guenther <rguenther@suse.de>
6259 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6261 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6263 * gcc.c (process_command): Update copyright notice dates.
6264 * gcov.c (print_version): Likewise.
6265 * gcov-dump.c (print_version): Likewise.
6266 * mips-tfile.c (main): Likewise.
6267 * mips-tdump.c (main): Likewise.
6269 2012-01-01 Ira Rosen <irar@il.ibm.com>
6271 PR tree-optimization/51704
6272 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6273 a use is inside the basic block or loop before accessing its vect info.
6275 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6277 PR rtl-optimization/51069
6278 * cfgloopmanip.c (remove_path): Removing path making irreducible
6279 region unconditional makes BB part of the region.
6281 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6283 PR tree-optimization/51683
6284 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6285 calls with side-effects.
6286 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6288 Copyright (C) 2012 Free Software Foundation, Inc.
6290 Copying and distribution of this file, with or without modification,
6291 are permitted in any medium without royalty provided the copyright
6292 notice and this notice are preserved.