1 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
4 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
5 the argument is itself a conditional expression.
7 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
9 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
12 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
14 PR tree-optimization/54986
15 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
16 conversions on entry but add them back on exit if needed.
18 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
21 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
23 (print_reg): Use true_regnum rather than REGNO.
24 (ix86_print_operand_address): Remove SUBREG handling.
26 2012-11-05 Jakub Jelinek <jakub@redhat.com>
28 Backported from mainline
29 2012-10-24 Jakub Jelinek <jakub@redhat.com>
32 * gimple.h (is_gimple_sizepos): New inline function.
33 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
34 final assignment to expr variable.
35 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
36 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
37 into a local temporary.
39 2012-10-10 Jakub Jelinek <jakub@redhat.com>
41 PR tree-optimization/54877
42 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
43 use make_ssa_name instead of copy_ssa_name.
45 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
47 Backport from mainline
48 2012-10-31 Jakub Jelinek <jakub@redhat.com>
50 PR tree-optimization/53708
51 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
52 user-supplied alignment when used with an explicit section name.
54 2012-11-02 Jeff Law <law@redhat.com>
56 PR tree-optimization/54985
57 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
58 from thread_across_edge.
59 (thread_across_edge): Use it in all cases where we might thread
62 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
64 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
65 special register pushes before frame probing and allocation.
67 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
68 Joel Sherrill <joel.sherrill@oarcorp.com>
70 * config/sparc/t-rtems: New (Custom multilibs).
71 * config/sparc/t-rtems-64: New (Custom multilibs).
72 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
73 (sparc-*-rtems*): Add sparc/t-rtems.
75 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
77 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
81 2012-10-29 Terry Guo <terry.guo@arm.com>
83 Backport from mainline
84 2012-10-11 Terry Guo <terry.guo@arm.com>
86 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
88 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
91 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
93 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
94 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
96 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
98 * config/avr/t-rtems: Revert previous commit.
100 2012-10-26 Terry Guo <terry.guo@arm.com>
102 Backport from mainline
103 2012-10-23 Terry Guo <terry.guo@arm.com>
106 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
109 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
111 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
113 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
115 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
117 * config.gcc (microblaze*-*-rtems*): New target.
118 * config/microblaze/rtems.h: New.
119 * config/microblaze/t-rtems: New.
121 2012-10-25 Richard Biener <rguenther@suse.de>
123 PR tree-optimization/54902
124 * tree-ssa-pre.c (fini_pre): Return TODO.
125 (execute_pre): Adjust.
126 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
127 blocks before computing dominators.
129 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
131 Backport from mainline
132 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
134 * config/i386/i386.c (memory_address_length): Assert that non-null
135 base or index RTXes are registers. Do not check for REG RTXes.
136 Determine addr32 prefix using SImode_address_operand or
137 from original base and index RTXes. Simplify code.
139 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
141 * config/i386/i386-protos.h (memory_address_length): Add new bool
142 argument. Update all uses.
143 * config/i386/i386.c (memory_address_length): If not LEA insn, then
144 add length of addr32 prefix based on mode of base or index register.
145 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
146 addresses here. Update call to memory_address_length.
147 (ix86_print_address_operand): Use SImode_address_operand predicate.
148 * config/i386/predicates.md (SImode_address_operand): New.
149 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
150 to calculate "mode" attribute. Use SImode_address_operand predicate
151 instead of open-coding accepted RTX codes.
153 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
155 Backport from 2012-10-22 trunk r192685.
156 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
157 Note __AVR_<device>__ is not defined for cores.
158 Don't point to --help=target.
159 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
161 2012-10-19 Marek Polacek <polacek@redhat.com>
163 Backported from mainline
164 2012-10-19 Marek Polacek <polacek@redhat.com>
167 * fold-const.c (fold_sign_changed_comparison): Punt if folding
168 pointer/non-pointer comparison.
170 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
172 Backported from mainline
173 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
176 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
177 sure the mode is correct when falling through from above cases.
179 2012-10-19 Alan Modra <amodra@gmail.com>
181 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
182 (HAVE_LD_LARGE_TOC): Likewise.
183 * configure: Regenerate.
185 2012-10-19 Alan Modra <amodra@gmail.com>
187 * config/rs6000/predicates.md (splat_input_operand): Don't call
188 input_operand for MEMs. Instead check for volatile and call
189 memory_address_addr_space_p with modified mode.
191 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
193 Backported from mainline
194 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
196 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
198 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
200 PR rtl-optimization/54870
201 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
202 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
203 SSA_NAME pointer that points to a partition if there is at least
204 one variable with it set in the partition.
205 * dse.c (local_variable_can_escape): New predicate.
206 (can_escape): Call it.
207 * gimplify.c (mark_addressable): If this is a partitioned decl, also
208 mark the SSA_NAME pointer that points to a partition.
210 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
212 Backport from mainline
213 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
215 PR rtl-optimization/53701
216 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
217 rocess not only expr's vinsns but all old vinsns from expr's
220 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
222 Backport from mainline
223 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
226 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
228 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
229 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
230 only if producer writes to the register given by regno.
232 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
234 Backport from mainline
235 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
237 * config/i386/sse.md (UNSPEC_MOVU): Remove.
239 (UNSPEC_STOREU): Ditto.
240 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
241 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
242 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
243 (<sse2>_movdqu<avxsizesuffix>): Split to ...
244 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
245 (<sse2>_storedqu<avxsizesuffix>): ... this.
246 (*sse4_2_pcmpestr_unaligned): Update.
247 (*sse4_2_pcmpistr_unaligned): Ditto.
249 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
250 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
251 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
252 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
253 gen_sse2_load{dqu,upd} to load from unaligned memory and
254 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
256 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
257 Use CODE_FOR_sse_loadups.
258 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
259 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
260 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
261 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
262 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
263 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
264 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
265 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
266 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
267 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
268 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
270 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
272 Backport from trunk (r190222):
274 PR tree-optimization/54146
275 * ifcvt.c: Include pointer-set.h.
276 (cond_move_process_if_block): Change type of then_regs and
277 else_regs from alloca'd array to pointer_sets.
278 (check_cond_move_block): Update for this change.
279 (cond_move_convert_if_block): Likewise.
280 * Makefile.in: Fix dependencies for ifcvt.o.
282 2012-10-15 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/54920
285 * tree-ssa-pre.c (create_expression_by_pieces): Properly
286 allocate temporary storage for all NARY elements.
288 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
291 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
293 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
295 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
296 default_use_cxa_atexit to yes.
298 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
300 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
302 2012-10-05 Jan Hubicka <jh@suse.cz>
303 Jakub Jelinek <jakub@redhat.com>
305 PR tree-optimization/33763
306 * tree-inline.c (expand_call_inline): Silently ignore always_inline
307 attribute for redefined extern inline functions.
309 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
311 Backported from mainline
312 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
314 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
315 in SSE and YMM state support check for -march=native.
317 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
320 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
323 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
325 Backported from mainline
326 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
329 * doc/invoke.texi: Document -mprefer-avx128.
331 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
333 Backported from mainline
334 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
337 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
338 (XSTATE_FP): Likewise.
339 (XSTATE_SSE): Likewise.
340 (XSTATE_YMM): Likewise.
341 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
342 SSE and YMM states aren't supported.
344 2012-10-01 Tom de Vries <tom@codesourcery.com>
346 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
349 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
352 * config/s390/s390.c (s390_option_override): Add missing break.
354 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
356 Backport from mainline
357 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
359 * config.gcc: Replace 'host' with 'target' when configuring for
360 powerpc64*-*-freebsd.
362 2012-09-28 Meador Inge <meadori@codesourcery.com>
364 Backport from mainline
365 2012-09-27 Meador Inge <meadori@codesourcery.com>
367 * gcc-ar.c (main): Handle the returning of the sub-process error
370 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
372 Backport from 2012-09-28 trunk r191821.
373 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
375 2012-09-27 Jakub Jelinek <jakub@redhat.com>
378 * simplify-rtx.c (simplify_binary_operation_1): Perform
379 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
381 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
383 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
384 TYPE_NONALIASED_COMPONENT flag.
385 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
386 TYPE_NONALIASED_COMPONENT flag.
388 2012-09-21 Richard Guenther <rguenther@suse.de>
391 Backport from mainline
392 2012-04-19 Richard Guenther <rguenther@suse.de>
394 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
397 2012-09-20 Joseph Myers <joseph@codesourcery.com>
400 * c-typeck.c (c_cast_expr): When casting to a type requiring
401 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
404 2012-09-20 Joseph Myers <joseph@codesourcery.com>
407 * c-typeck.c (build_unary_op): Pass original argument of
408 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
409 any C_MAYBE_CONST_EXPR, if it has integer operands.
410 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
411 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
412 to c_objc_common_truthvalue_conversion, then remove any
413 C_MAYBE_CONST_EXPR, if they have integer operands. Use
414 c_objc_common_truthvalue_conversion not
415 c_common_truthvalue_conversion.
416 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
417 call note_integer_operands for arguments with integer operands
418 that are not integer constants.
420 2012-09-20 Jakub Jelinek <jakub@redhat.com>
422 Backported from mainline
423 2012-09-17 Jakub Jelinek <jakub@redhat.com>
425 PR tree-optimization/54563
426 * tree-ssa-math-opts.c (execute_cse_sincos): Call
427 gimple_purge_dead_eh_edges if last call has been changed.
429 2012-09-14 Jakub Jelinek <jakub@redhat.com>
432 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
433 instead of (match_dup 0) as second argument to vec_merge.
434 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
435 Remove third alternative.
436 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
437 operand 2 instead of operand 1, but put it as first argument
439 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
440 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
443 2012-09-20 Jakub Jelinek <jakub@redhat.com>
445 * BASE-VER: Set to 4.7.3.
446 * DEV-PHASE: Set to prerelease.
448 2012-09-20 Release Manager
450 * GCC 4.7.2 released.
452 2012-09-15 Andi Kleen <ak@linux.intel.com>
454 Backport from mainline
455 2012-09-07 Andi Kleen <ak@linux.intel.com>
457 * gcc/lto-streamer.h (res_pair): Add.
458 (lto_file_decl_data): Replace resolutions with respairs.
460 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
462 (lto_file_finalize): Set up resolutions vector lazily from respairs.
464 2012-09-14 Walter Lee <walt@tilera.com>
466 Backport from mainline.
467 2012-09-14 Walter Lee <walt@tilera.com>
469 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
470 option for TILEPro and TILE-Gx.
472 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
474 * config/i386/i386.h (x86_prefetchw): New global variable.
475 (TARGET_PREFETCHW): New macro.
476 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
477 (processor_alias_table): Add PTA_PREFETCHW to
478 bdver1, bdver2 and btver1.
479 (ix86_option_override_internal): Set x86_prefetchw for
480 PTA_PREFETCHW targets.
481 * config/i386/i386.md (prefetch): Expand to prefetchw
482 for TARGET_PREFETCHW.
483 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
485 Backport from mainline
486 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
488 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
489 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
491 (*prefetch_sse): ... this.
492 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
494 (*prefetch_3dnow): ... this.
496 2012-09-13 Jakub Jelinek <jakub@redhat.com>
499 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
500 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
502 2012-09-12 Teresa Johnson <tejohnson@google.com>
504 Backport from mainline.
505 2012-09-12 Teresa Johnson <tejohnson@google.com>
507 PR gcov-profile/54487
508 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
509 test using F_SETLKW with fcntl.
510 * configure, config.in: Regenerate.
512 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
514 Backport from mainline
515 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
517 * config/i386/i386.md : Comments on fma4 instruction selection
518 reflect requirement on register pressure based cost model.
520 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
521 flag is set-reset as informed by the cpuid flag.
523 * config/i386/i386.c (processor_alias_table): fma4
524 flag is enabled for bdver2.
526 2012-09-12 Christian Bruel <christian.bruel@st.com>
528 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
530 2012-09-12 Jakub Jelinek <jakub@redhat.com>
532 * config.gcc: Obsolete picochip-*.
534 2012-09-11 Richard Guenther <rguenther@suse.de>
537 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
538 on flag_toplevel_reorder.
540 2012-09-10 Richard Henderson <rth@redhat.com>
542 * config/alpha/predicates.md (small_symbolic_operand): Disallow
545 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
547 Backport from 2012-09-10 mainline r191132.
550 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
552 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
555 * tree-sra.c (disqualify_base_of_expr): Check for possible
556 NULL_TREE returned by get_base_address()
558 2012-09-07 Richard Guenther <rguenther@suse.de>
560 Backport from mainline
561 2012-06-26 Jan Hubicka <jh@suse.cz>
564 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
567 2012-09-07 Richard Guenther <rguenther@suse.de>
569 Backport from mainline
570 2012-07-13 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/53922
573 * tree-vrp.c (value_inside_range): Change prototype to take
574 min/max instead of value-range.
575 (range_includes_zero_p): Likewise. Return the result from
577 (extract_range_from_binary_expr_1): Adjust to handle dont-know
578 return value from range_includes_zero_p.
579 (extract_range_from_unary_expr_1): Likewise.
580 (compare_range_with_value): Likewise.
581 (vrp_meet_1): Likewise.
583 2012-09-07 Richard Guenther <rguenther@suse.de>
586 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
587 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
588 arguments separately.
590 2012-09-07 Jakub Jelinek <jakub@redhat.com>
592 Backported from mainline
593 2012-09-06 Jakub Jelinek <jakub@redhat.com>
595 PR rtl-optimization/54455
596 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
597 bb ends up with asm goto referencing bb's label.
599 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
601 Backport from mainline.
602 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
603 Richard Earnshaw <richard.earnshaw@arm.com>
606 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
607 element size. Use elem_type from the formal parameter. New parameter
609 (neon_expand_args): Adjust call to neon_dereference_pointer.
611 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
613 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
614 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
616 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
618 Backport from mainline
619 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
621 * config/i386/i386.md (isa): Add fma and fma4.
622 (enabled): Handle fma and fma4.
623 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
624 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
625 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
626 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
627 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
628 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
630 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
632 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
633 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
634 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
636 2012-09-06 Richard Guenther <rguenther@suse.de>
638 PR tree-optimization/54498
639 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
640 abort when reaching an already visited region.
641 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
642 (get_continuation_for_phi_1): Likewise.
643 (walk_non_aliased_vuses): When we translated the reference,
644 abort when we re-visit a region.
645 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
647 2012-09-06 Andrew Pinski <apinski@cavium.com>
650 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
652 2012-09-05 Jakub Jelinek <jakub@redhat.com>
655 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
656 build_int_cst with size_type_node instead of size_int.
658 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
660 Backport from 2012-09-05 mainline r190697.
663 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
664 configured --with-avrlibc.
665 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
667 * config/avr/avrlibc.h: New file.
668 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
669 configured --with-avrlibc.
670 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
672 2012-09-05 Bin Cheng <bin.cheng@arm.com>
674 Backport from 2012-09-04 mainline r190919
677 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
678 of size less than 4 bytes by using macro ARM_NUM_INTS.
679 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
681 2012-09-04 Richard Henderson <rth@redhat.com>
683 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
685 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
687 Backport from 2012-09-04 mainline r190920
690 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
692 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
694 Backport from 2012-09-04 mainline r190914
697 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
699 (avr_allocate_stack_slots_for_args): ...this new static function.
701 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
703 Backported from mainline
704 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
707 * doc/invoke.texi: Add -da and remove -dm.
709 2012-09-03 Jakub Jelinek <jakub@redhat.com>
711 Backported from mainline
712 2012-09-01 Jakub Jelinek <jakub@redhat.com>
715 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
716 operands[1] is CONST_INT_P, convert it to QImode before printing.
718 2012-08-31 Jakub Jelinek <jakub@redhat.com>
721 * c-convert.c (convert): Don't call fold_convert_loc if
722 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
723 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
724 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
726 2012-08-24 Jakub Jelinek <jakub@redhat.com>
729 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
730 if init is a CONSTRUCTOR.
732 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
734 PR rtl-optimization/54369
735 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
736 calling dbr_schedule.
737 * config/sparc/sparc.c (sparc_reorg): Likewise.
739 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
741 Backport from mainline
742 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
744 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
745 case for Atom processor.
747 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
749 Backport from mainline
750 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
753 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
754 true for TARGET_64BIT or !flag_pic.
755 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
756 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
757 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
758 Add insn constraint. Conditionally emit xchg asm insns.
759 (atomic_compare_and_swap<mode>): Update calls. Check only
760 cmpxchg8b_pic_memory_operand in memory address fixup.
762 (CASHMODE): Rename from DCASHMODE.
763 (doublemodesuffix): Update modes.
764 (regprefix): New mode attribute.
766 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
767 <UNSPECV_CMPXCHG>: New constant.
768 (atomic_compare_and_swap<mode>_1): Rename from
769 atomic_compare_and_swap_single<mode>. Update calls and
770 unspec_volatile constants.
771 (atomic_compare_and_swap<mode>_doubleword): Rename from
772 atomic_compare_and_swap_double<mode>. Update calls and
773 unspec_volatile constants.
775 2012-08-28 Walter Lee <walt@tilera.com>
777 Backport from mainline
778 2012-08-28 Walter Lee <walt@tilera.com>
780 * confg/tilegx/tilegx.md: Fix code style.
781 (*zero_extendsidi_truncdisi): Fix typo.
782 * config/tilegx/tilegx.c: Fix code style.
783 (tilegx_function_profiler): Fix typo.
785 2012-08-27 Walter Lee <walt@tilera.com>
787 Backport from mainline
788 2012-08-27 Walter Lee <walt@tilera.com>
790 * doc/md.texi (TILE-Gx): Fix typo.
792 2012-08-27 Walter Lee <walt@tilera.com>
794 Backport from mainline
795 2012-08-27 Walter Lee <walt@tilera.com>
797 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
798 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
800 2012-08-27 Walter Lee <walt@tilera.com>
802 Backport from mainline
803 2012-08-27 Walter Lee <walt@tilera.com>
805 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
806 (insn_bfins): Delete.
808 2012-08-27 Walter Lee <walt@tilera.com>
810 Backport from mainline
811 2012-08-27 Walter Lee <walt@tilera.com>
813 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
814 atomic_exchange_bare<mode>,
815 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
816 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
817 * config/tilegx/tilegx.md (type): Add X1_remove.
818 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
819 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
820 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
823 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
825 PR rtl-optimization/54088
826 * jump.c (delete_related_insns): Robustify latest change.
828 2012-08-21 Richard Guenther <rguenther@suse.de>
830 Backport from mainline
831 2012-08-16 Richard Guenther <rguenther@suse.de>
834 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
836 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
837 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
838 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
839 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
840 (tree_ssa_lim_finalize): Free all mem_refs.
841 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
842 scc when bailing out.
843 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
844 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
845 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
848 2012-08-17 Richard Guenther <rguenther@suse.de>
850 * tree-sra.c (modify_function): Free redirect_callers vector.
851 * ipa-split.c (split_function): Free args_to_pass vector.
852 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
854 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
855 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
856 (vect_analyze_slp_instance): Free everything.
857 (destroy_bb_vec_info): Free the SLP instances.
859 2012-08-17 Richard Guenther <rguenther@suse.de>
861 * params.def (integer-share-limit): Decrease from 256 to 251,
864 2012-08-21 Richard Guenther <rguenther@suse.de>
866 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
867 the affine expansion cache.
869 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
871 Backported from trunk
872 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
875 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
877 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
879 Backport from mainline.
880 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
883 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
884 mark as predicable. Adjust asm template.
885 (vec_setv2di_internal): Likewise.
886 (vec_extract<mode> VD, VQ): Likewise.
887 (vec_extractv2di): Likewise.
888 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
889 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
890 (neon_vdup_n<mode> VX, V32): Likewise.
891 (neon_vdup_nv2di): Likewise.
893 2012-08-17 Walter Lee <walt@tilera.com>
895 Backport from mainline
896 2012-08-17 Walter Lee <walt@tilera.com>
898 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
899 (FEEDBACK_ENTER): Define.
900 (FEEDBACK_REENTER): Define.
901 (FEEDBACK_ENTRY): Define.
902 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
903 (FEEDBACK_ENTER): Define.
904 (FEEDBACK_REENTER): Define.
905 (FEEDBACK_ENTRY): Define.
907 2012-08-16 Walter Lee <walt@tilera.com>
909 Backport from mainline
910 2012-08-16 Walter Lee <walt@tilera.com>
912 * config.gcc (tilegx-*-linux*): Add feedback.h.
913 (tilepro-*-linux*): Likewise.
914 * config/tilegx/feedback.h: New file.
915 * config/tilepro/feedback.h: New file.
917 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
919 Backport from mainline r189840 and r187586:
920 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
922 * config/i386/i386.md (stack_protect_set): Disable the pattern
923 for Android since Android libc (bionic) does not provide random
924 value for stack protection guard at gs:0x14. Guard value
925 will be provided from external symbol (default implementation).
926 (stack_protect_set_<mode>): Likewise.
927 (stack_protect_test): Likewise.
928 (stack_protect_test_<mode>): Likewise.
929 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
930 not have Bionic by default
931 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
932 Macro OPTION_BIONIC is defined in this file and provides Bionic
935 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
937 * configure.ac: Stack protector enabling for Android targets.
938 * configure: Regenerate.
940 2012-08-13 Jakub Jelinek <jakub@redhat.com>
942 Backported from trunk
943 2012-07-19 Jakub Jelinek <jakub@redhat.com>
945 PR rtl-optimization/53942
946 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
947 directly from likely spilled non-fixed hard registers, move them
950 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
952 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
953 (xop_phaddubq): Ditto.
955 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
957 Backport from mainline
958 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
959 Richard Earnshaw <rearnsha@arm.com>
961 * target.def (vector_alignment): New target hook.
962 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
963 * doc/tm.texi: Regenerate.
964 * targhooks.c (default_vector_alignment): New function.
965 * targhooks.h (default_vector_alignment): Add prototype.
966 * stor-layout.c (layout_type): Use targetm.vector_alignment.
967 * config/arm/arm.c (arm_vector_alignment): New function.
968 (TARGET_VECTOR_ALIGNMENT): Define.
970 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
971 vector type alignment instead of size.
972 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
973 element type size directly instead of computing it from alignment.
974 Fix variable naming and comment.
976 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
978 Backport from mainline
979 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
981 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
982 (alpha_pad_function_end): ... this. Also insert NOP between
983 sibling call and GP load.
984 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
986 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
988 Backport from mainline
989 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
990 H.J. Lu <hongjiu.lu@intel.com>
992 PR rtl-optimization/54157
993 * combine.c (gen_lowpart_for_combine): Don't return identity
994 for CONST or symbolic reference.
996 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
998 Backport from mainline
999 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1001 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
1002 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
1003 split_cost argument signed.
1004 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
1005 (ix86_avoid_lea_for_addr): Ditto.
1007 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
1009 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
1010 the address has less than two components.
1012 2012-08-02 Steve Ellcey <sellcey@mips.com>
1014 Backport from mainline
1015 2012-07-19 Steve Ellcey <sellcey@mips.com>
1017 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
1020 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
1022 Backport from mainline
1023 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
1026 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
1027 negative constant address for TARGET_X32 ...
1028 (ix86_decompose_address): ... here. Reject constant addresses
1029 that don't satisfy x86_64_immediate_operand predicate.
1031 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1034 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
1035 * config/i386/i386.c (ix86_print_operand_address): Ditto.
1036 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
1037 addresses. Prevent zero extensions of CONST_INT operands.
1039 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
1042 * config/i386/i386.md (*lea): New insn pattern.
1044 (*lea<mode>_2): Ditto.
1045 (*lea_{3,4,5,6}_zext): Ditto.
1046 * config/i386/predicates.md (lea_address_operand): Do not reject
1047 zero-extended address operands.
1048 * config/i386/constraints.md (j): Remove address constraint.
1049 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
1051 (ix86_print_operand_address): Handle SImode subreg of an address.
1052 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
1054 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1056 Backport from mainline
1057 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
1060 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1061 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1063 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1064 (*movdi_internal_rex64): Use %E operand modifier for lea.
1065 (*movsi_internal): Ditto.
1067 (*lea<mode>_2): Ditto.
1068 (*lea_{3,4,5,6}_zext): Ditto.
1069 (*tls_global_dynamic_32_gnu): Ditto.
1070 (*tls_global_dynamic_64): Ditto.
1071 (*tls_dynamic_gnu2_lea_32): Ditto.
1072 (*tls_dynamic_gnu2_lea_64): Ditto.
1073 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1075 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1077 Backport from mainline
1078 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1080 * config/i386/i386.c (ix86_address_subreg_operand): Reject
1082 (ix86_print_operand_address): Assert that parts.base and parts.index
1083 are non-NULL after call to simplify_subreg.
1085 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
1088 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
1090 * config/sh/sh.c (sh_option_override): Do not change
1091 flag_finite_math_only. Set TARGET_IEEE to complement of
1092 flag_finite_math_only.
1093 * doc/invoke.texi (SH options): Add mno-ieee. Correct
1094 description of mieee and mno-ieee behavior.
1096 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
1099 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
1100 (_lzcnt_u64): Ditto.
1102 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
1104 Backport from mainline
1105 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
1107 PR rtl-optimization/52250
1108 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1109 to put note list into. Unconditionally call move_bb_info.
1110 (move_bb_info): Do not assert the blocks being in the same region,
1111 just drop the note list if they are not.
1113 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1115 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
1117 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1119 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
1120 defining statement is a SSA name that occurs in abnormal PHIs.
1122 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1124 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
1127 2012-07-19 Richard Guenther <rguenther@suse.de>
1128 Eric Botcazou <ebotcazou@adacore.com>
1130 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1131 about transition from invariant to known bits.
1132 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1134 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1137 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1138 (cleanup_tree_cfg_bb): Don't call it.
1139 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1142 2012-07-19 Christian Bruel <christian.bruel@st.com>
1145 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1147 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
1149 * config.gcc (v850-*-rtems*): New target.
1150 * config/v850/rtems.h: New.
1151 * config/v850/t-rtems: New.
1153 2012-07-18 Nick Clifton <nickc@redhat.com>
1155 * doc/invoke.texi (ARM Options): Document -munaligned-access.
1157 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
1161 Backport from mainline
1162 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1165 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1166 instead expand it as zero extension.
1168 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
1170 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1171 QImode and HImode splitters. Use ix86_comparison_operator.
1172 Explicitly match FLAGS_REG.
1173 (DFmode cmove splitter): Explicitly match FLAGS_REG.
1175 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
1176 Steven Bosscher <steven@gcc.gnu.org>
1177 Bernd Schmidt <bernds@codesourcery.com>
1179 PR rtl-optimization/53908
1180 * df-problems.c (can_move_insns_across): When doing
1181 memory-reference book-keeping, handle call insns.
1183 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
1185 Backport from mainline
1186 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1189 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1190 sibcall_insn_operand. Move it to a temporary register if not.
1192 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
1195 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1196 emit PIC sequence for fnaddr symbol reference in advance.
1198 2012-07-09 Jason Merrill <jason@redhat.com>
1201 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1202 (type_hash_eq): Likewise.
1205 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1207 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
1209 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1210 due to negative shift amount.
1212 2012-07-06 Kai Tietz <ktietz@redhat.com>
1214 Backport from mainline.
1216 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1217 as "/mingw/include".
1219 2012-07-06 Nick Clifton <nickc@redhat.com>
1221 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1222 default_encode_section_info.
1224 2012-07-06 Richard Guenther <rguenther@suse.de>
1226 Backport from mainline
1227 2012-03-30 Richard Guenther <rguenther@suse.de>
1230 * double-int.c (rshift_double): Remove not needed cast.
1232 2012-03-28 Richard Guenther <rguenther@suse.de>
1235 * double-int.h (rshift_double): Remove.
1236 * double-int.c (lshift_double): Use absu_hwi to make count
1238 (rshift_double): Make static, take unsigned count argument,
1239 remove handling of negative count argument.
1240 (double_int_rshift): Dispatch to lshift_double.
1242 2012-07-06 Richard Guenther <rguenther@suse.de>
1244 Backport from mainline
1245 2012-06-18 Richard Guenther <rguenther@suse.de>
1247 PR tree-optimization/53693
1248 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1249 Reject operands with more than one use.
1251 2012-07-06 Richard Guenther <rguenther@suse.de>
1253 Backport from mainline
1254 2012-04-11 Richard Guenther <rguenther@suse.de>
1257 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1258 consider loop nesting.
1259 (evolution_function_is_univariate_p): Properly check the remainder
1262 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
1264 Backport from mainline
1265 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
1267 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1268 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1269 (adjacent_mem_locations): Move some code to and call...
1270 (get_memref_parts): ...new function.
1271 (mem_locations_overlap): New function.
1272 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1273 (is_mem_ref): Rename to...
1274 (find_mem_ref): ...this. Return MEM rtx.
1275 (get_store_dest): Remove function.
1276 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1277 new parameter and adjust calls.
1278 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1279 mem refs overlap for true_store_to_load_dep_costly.
1280 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1281 passed to adjacent_mem_locations.
1282 (is_costly_group): Walk resolved dependency list.
1283 (force_new_group): Emit group ending nop for Power6/Power7.
1284 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1285 (group_ending_nop): New define_insn.
1287 2012-07-04 Richard Guenther <rguenther@suse.de>
1290 * gimple-fold.c (get_base_constructor): Do not return an
1291 error_mark_node DECL_INITIAL.
1293 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
1295 Backport from mainline
1296 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1298 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1299 code model string in the error message.
1301 2012-07-04 Tristan Gingold <gingold@adacore.com>
1303 Backport from mainline.
1304 2012-06-25 Tristan Gingold <gingold@adacore.com>
1306 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1307 (seh_cfa_adjust_cfa): ... that function.
1308 (seh_emit_stackalloc): Do not emit out of range values.
1309 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1310 UNSPEC_DEF_CFA constants.
1311 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1312 * config/i386/i386.c (ix86_frame_pointer_required): Required
1313 for very large frames on SEH target.
1314 (ix86_compute_frame_layout): Save area is before frame pointer
1315 on SEH target. Handle very large frames.
1316 (ix86_expand_prologue): Likewise.
1318 2012-07-04 Richard Guenther <rguenther@suse.de>
1320 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1321 as in free_lang_data_in_type.
1323 2012-07-02 Martin Jambor <mjambor@suse.cz>
1325 Backport from mainline.
1326 2012-07-02 Martin Jambor <mjambor@suse.cz>
1329 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1330 dynamic type change check.
1332 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
1334 * tree-eh.c (lower_try_finally_switch): Really put the location of the
1335 last statement of the finally block onto the switch.
1337 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1339 * configure: Regenerate.
1341 Backport from mainline.
1342 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1344 * config.gcc (target_type_format_char): New. Document it. Set it for
1346 * configure.ac (gnu_unique_option): Use target_type_format_char
1347 in test. Comment rationale.
1349 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1351 Backport from mainline.
1352 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1354 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1356 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
1358 Backport from 2012-06-28 mainline r189049
1361 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1362 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1363 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1364 avr_hard_regno_call_part_clobbered.
1366 2012-06-28 Richard Guenther <rguenther@suse.de>
1369 * expr.c (expand_expr_real_1): Verify if the type is complete
1370 before inspecting its size.
1372 2012-06-27 Nick Clifton <nickc@redhat.com>
1374 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1377 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
1380 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1382 2012-06-26 Nick Clifton <nickc@redhat.com>
1384 * config/rx/rx.md (simple_return): Use the simple_return rtx.
1386 2012-06-25 Jakub Jelinek <jakub@redhat.com>
1389 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1390 of x x x in the vmovlps load alternative.
1392 2012-06-22 Richard Guenther <rguenther@suse.de>
1394 * gcov-iov.c: Include bconfig.h and system.h.
1396 2012-06-22 Richard Guenther <rguenther@suse.de>
1398 PR gcov-profile/53744
1399 * gcov-iov.c (main): Treat "" and "prerelease" the same.
1401 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
1403 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1404 DECL_IGNORED_P non-reg vars even if they are used.
1406 2012-06-19 Jason Merrill <jason@redhat.com>
1409 * dwarf2out.c (modified_type_die): Use scope_die_for.
1410 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1411 (uses_local_type_r, uses_local_type): New.
1412 (scope_die_for): Keep a type that uses a local type in local scope.
1413 Use get_context_die for namespace and type scope.
1415 2012-06-19 Richard Guenther <rguenther@suse.de>
1418 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1419 replace it with the first non-BLOCK context.
1421 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
1423 PR rtl-optimization/53700
1425 Backport from mainline
1426 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
1428 * ira-color.c (setup_left_conflict_sizes_p): Process all
1429 conflicting objects.
1431 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1433 Backport from mainline
1434 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1437 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1438 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1439 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1440 instead of xop_mulv2div2di3_low.
1441 (xop_p<macs>dql): Fix vec_select selector.
1442 (xop_p<macs>dqh): Ditto.
1443 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1444 (xop_mulv2div2di3_high): Ditto.
1446 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1448 Backport from mainline:
1449 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
1451 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1453 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1455 Backport from mainline:
1456 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1458 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1459 * config/pa/pa.c (pa_attr_length_millicode_call): Use
1460 MAX_PCREL17F_OFFSET instead of fixed offset.
1461 (pa_attr_length_call): Likewise.
1462 (pa_attr_length_indirect_call): Likewise.
1464 2012-06-15 Walter Lee <walt@tilera.com>
1466 Backport from mainline:
1467 2012-06-15 Walter Lee <walt@tilera.com>
1469 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1471 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
1473 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1475 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
1477 Backport from mainline:
1479 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1480 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1481 * gimple.h (block_in_transaction): Check for flag_tm.
1483 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
1485 PR tree-optimization/52558
1487 Backport from mainline:
1488 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
1489 * gimple.h (gimple_set_in_transaction): Remove.
1490 (gimple_in_transaction): Look in BB instead.
1491 (gimple_statement_base): Remove in_transaction field.
1492 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1493 * trans-mem.c (compute_transaction_bits): Place transaction bit
1494 information into basic blocks.
1496 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
1498 PR tree-optimization/52558
1499 * cfg.c (alloc_aux_for_edge): Fix comment.
1500 (alloc_aux_for_edge): Remove static.
1501 * basic-block.h (alloc_aux_for_edge): Protoize.
1502 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1503 (execute_sm_if_changed_flag): New.
1504 (execute_sm_if_changed_flag_set): New.
1505 (execute_sm): Do not generate data races unless requested.
1506 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1507 (tree_ssa_lim_finalize): Call free_aux_for_edges.
1508 * gimple.h (block_in_transaction): New.
1509 (gimple_in_transaction): Use block_in_transaction.
1511 2012-06-14 Jakub Jelinek <jakub@redhat.com>
1513 Backported from mainline
1514 2012-06-12 Jakub Jelinek <jakub@redhat.com>
1516 PR rtl-optimization/53589
1517 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1518 discovery even when e->dest != target. If any LABEL_REF points
1519 to e->dest label, redirect it to target's label.
1521 2012-06-07 Jakub Jelinek <jakub@redhat.com>
1524 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1525 returns false, replace stmt with GIMPLE_NOP.
1526 (check_omp_nesting_restrictions): Instead of issuing warnings,
1527 issue errors and return false if any errors were reported.
1529 2012-06-14 Richard Guenther <rguenther@suse.de>
1531 * BASE-VER: Set to 4.7.2.
1532 * DEV-PHASE: Set to prerelease.
1534 2012-06-12 Christian Bruel <christian.bruel@st.com>
1537 * config/sh/sh.c (sh_option_override): Don't force
1538 flag_omit_frame_pointer and maccumulate_outgoing_args.
1539 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1541 2012-06-14 Release Manager
1543 * GCC 4.7.1 released.
1545 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
1547 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1549 2012-06-13 Richard Henderson <rth@redhat.com>
1551 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1552 iterator instead of INT.
1554 2012-06-08 Richard Henderson <rth@redhat.com>
1557 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1558 note to a clobber insn when no other insn is available.
1560 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1563 * doc/invoke.texi (Wenum-compare): Update documentation.
1565 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
1568 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1570 (altivec_stvlxl): Ditto.
1571 (altivec_stvrx): Ditto.
1572 (altivec_stvrxl): Ditto.
1574 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
1577 * trans-mem.c (expand_block_edges): Do not skip the first
1578 statement when resetting the BB.
1580 2012-06-04 Richard Guenther <rguenther@suse.de>
1583 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1584 create new assembler names.
1586 2012-06-04 Richard Guenther <rguenther@suse.de>
1588 Backport from mainline
1589 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1592 * stor-layout.c (get_best_mode): Don't return mode with bitsize
1593 larger than maxbits. Don't compute maxbits modulo align.
1594 Also check that unit bytes long store at bitpos / unit * unit
1595 doesn't affect bits beyond bitregion_end.
1596 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1597 would not fit into bitregion_start ... bitregion_end + 1 bit
1599 (store_split_bit_field): Decrease unit close to end of bitregion_end
1600 if access is restricted in order to avoid mutual recursion.
1602 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
1604 Backport from 2012-06-04 mainline r188172
1607 * config/avr/avr-stdint.h: New file.
1608 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1611 2012-06-04 Jakub Jelinek <jakub@redhat.com>
1613 PR tree-optimization/53550
1614 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1615 is POINTER_TYPE_P, use sizetype as step type instead of type.
1617 2012-06-04 Richard Guenther <rguenther@suse.de>
1618 Eric Botcazou <ebotcazou@adacore.com>
1620 Backport from mainline
1621 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
1623 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1624 Change type of BITOFFSET to signed. Make sure the lower bound of
1625 the computed range is non-negative by adjusting OFFSET and BITPOS.
1626 (expand_assignment): Adjust call to get_bit_range.
1628 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1630 * expr.c (get_bit_range): Return the null range if the enclosing record
1631 is part of a larger bit field.
1633 2012-03-20 Richard Guenther <rguenther@suse.de>
1635 * stor-layout.c (finish_bitfield_representative): Fallback
1636 to conservative maximum size if the padding up to the next
1637 field cannot be computed as a constant.
1638 (finish_bitfield_layout): If we cannot compute the distance
1639 between the start of the bitfield representative and the
1640 bitfield member start a new representative.
1641 * expr.c (get_bit_range): The distance between the start of
1642 the bitfield representative and the bitfield member is zero
1643 if the field offsets are not constants.
1645 2012-03-16 Richard Guenther <rguenther@suse.de>
1647 * stor-layout.c (finish_bitfield_representative): Fall back
1648 to the conservative maximum size if we cannot compute the
1649 size of the tail padding.
1651 2012-03-14 Richard Guenther <rguenther@suse.de>
1653 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1654 * stor-layout.c (start_bitfield_representative): New function.
1655 (finish_bitfield_representative): Likewise.
1656 (finish_bitfield_layout): Likewise.
1657 (finish_record_layout): Call finish_bitfield_layout.
1658 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1659 for QUAL_UNION_TYPE fields.
1660 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1661 Stream DECL_BIT_FIELD_REPRESENTATIVE.
1662 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1667 * expr.c (get_bit_range): Unconditionally extract bitrange
1668 from DECL_BIT_FIELD_REPRESENTATIVE.
1669 (expand_assignment): Adjust call to get_bit_range.
1671 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
1674 * fold-const.c (fold_binary_loc): Refine previous change.
1676 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1678 Backport from mainline
1679 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1682 * config/sh/sh.c (find_barrier): Add equality check of last_got to
1683 avoid going above orig insn. Update comments.
1685 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1687 Backport from mainline
1688 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1691 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1692 prologue for unwinder and profiler.
1694 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1696 Backport from mainline
1697 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1699 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1701 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1703 Backport from mainline
1704 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1706 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1707 DBX_REGISTER_NUMBER.
1709 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
1711 Backport from mainline
1712 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
1714 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1715 operand is CONST_INT. Take COSTS_N_INSNS into account.
1716 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1719 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
1721 * config/avr/avr.opt (-msp8): Document it.
1722 * doc/invoke.texi (AVR Options): Copy from trunk docu.
1724 2012-05-31 Richard Guenther <rguenther@suse.de>
1727 * expr.c (expand_assignment): Do not use movmisalign on
1730 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1733 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1734 (pa_section_type_flags): New.
1735 (pa_legitimate_constant_p): Revert previous change.
1737 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
1739 Backport from mainline
1740 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
1743 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1744 accessed indirectly.
1745 (ipa_tm_create_version): Same.
1747 2012-05-30 Jason Merrill <jason@redhat.com>
1750 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1751 about array compound literals.
1753 2012-05-30 Richard Guenther <rguenther@suse.de>
1756 * fold-const.c (fold_binary_loc): Make sure to call
1757 fold_plusminus_mult_expr with the original sign of operands.
1759 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
1761 * explow.c (probe_stack_range): Restore simple control flow and stop
1762 again when the probe cannot be generated if HAVE_check_stack.
1764 2012-05-30 Jakub Jelinek <jakub@redhat.com>
1766 PR rtl-optimization/53519
1767 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1768 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1770 2012-05-29 Richard Guenther <rguenther@suse.de>
1772 PR tree-optimization/53516
1773 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1775 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1777 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
1779 Backport from mainline
1780 2012-05-28 Richard Guenther <rguenther@suse.de>
1782 PR tree-optimization/53438
1783 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1785 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
1787 Backport from mainline
1788 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
1790 PR rtl-optimization/52528
1791 * combine.c (can_combine_p): Add setting of subst_low_luid
1792 before call to expand_field_assignment().
1794 2012-05-26 Martin Jambor <mjambor@suse.cz>
1796 Backport from mainline
1797 2012-05-23 Martin Jambor <mjambor@suse.cz>
1799 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1801 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1804 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1805 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1807 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
1810 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1811 (ix86_expand_vec_perm): Use int mode instead of float.
1813 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
1816 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1817 gnu_ld variables to yes.
1818 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1819 (HAVE_GNU_AS): Likewise.
1820 * config.in: Regenerate.
1821 * configure: Likewise.
1823 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1825 Backport from mainline
1826 2012-03-12 Richard Guenther <rguenther@suse.de>
1827 * config/arm/arm.c (neon_dereference_pointer): Do not call
1828 covert during RTL expansion.
1830 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1832 Backport from mainline
1833 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1836 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1837 relied on signed overflow behavior.
1839 2012-05-24 Richard Guenther <rguenther@suse.de>
1842 * tree-profile.c (tree_profiling): Cleanup the CFG if
1843 execute_fixup_cfg requests it.
1845 2012-05-24 Jakub Jelinek <jakub@redhat.com>
1847 PR tree-optimization/53465
1848 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1849 vr0 into *vr, then vrp_meet that.
1850 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1851 have any equivalences.
1852 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1855 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
1857 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1859 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1860 (iterative_hash_gimple_type): Adjust comment.
1861 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
1862 domain for an array type instead of the domain type itself.
1864 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
1866 Backport from 2012-05-23 mainline r187803
1869 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1870 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1873 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1875 Backport from 2012-05-03 mainline r187075
1877 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1878 has_fma4 for AMD processors with both fma3 and fma4 support.
1880 2012-05-22 Richard Guenther <rguenther@suse.de>
1882 PR tree-optimization/53408
1883 * tree-vect-loop.c (vectorizable_induction): Properly check
1884 the restriction that we cannot handle induction results from
1885 the inner loop outside of the outer loop.
1887 2012-05-21 Jakub Jelinek <jakub@redhat.com>
1889 PR tree-optimization/53436
1890 * omp-low.c (omp_build_component_ref): New function.
1891 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1893 PR tree-optimization/53366
1894 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1895 tests if complex_numbers == 2, but there are non-complex number loads
1898 PR tree-optimization/53409
1899 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1900 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1902 PR tree-optimization/53410
1903 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1904 instead of build_int_cst (type, 0) where vector types might be
1907 2012-05-21 Joseph Myers <joseph@codesourcery.com>
1910 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1911 from folded operands before wrapping another around the
1912 conditional expression.
1914 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
1915 Patrick Marlier <patrick.marlier@gmail.com>
1917 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1920 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1922 Backport from mainline
1923 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
1926 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1927 (UNSPECV_RDRAND): This.
1928 (rdrand<mode>_1): Updated.
1930 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1932 Backport from mainline
1933 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
1935 * config/i386/driver-i386.c (host_detect_local_cpu): Support
1936 RDRND, F16C and FSGSBASE.
1938 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
1940 Backport from mainline
1941 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1943 * tree-ssa-pre.c (can_value_number_call): Delete.
1944 (compute_avail): Skip all statements with side effects.
1945 <GIMPLE_CALL>: Skip calls to internal functions.
1947 2012-05-18 David S. Miller <davem@davemloft.net>
1949 Backport r185385 from mainline
1950 2012-03-14 Richard Guenther <rguenther@suse.de>
1953 * tree-vect-generic.c (type_for_widest_vector_mode): Take
1954 element type instead of mode, use build_vector_type_for_mode
1955 instead of the langhook, build a vector of proper signedness.
1956 (expand_vector_operations_1): Adjust.
1958 2012-05-18 Olivier Hainque <hainque@adacore.com>
1960 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1961 $(libsubdir) as libexecsubdir.
1963 2012-05-16 Andrew Pinski <apinski@cavium.com>
1965 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1968 2012-05-16 David S. Miller <davem@davemloft.net>
1970 * jump.c (delete_related_insns): If we remove a CALL, make sure
1971 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1973 2012-05-16 Richard Henderson <rth@redhat.com>
1976 * combine-stack-adj.c (prev_active_insn_bb): New.
1977 (next_active_insn_bb): New.
1978 (force_move_args_size_note): New.
1979 (combine_stack_adjustments_for_block): Use it.
1981 2012-05-16 Olivier Hainque <hainque@adacore.com>
1983 * Makefile.in (install-no-fixedincludes): New target, former toplevel
1984 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1985 Add comments and improve stamp preservation across the whole sequence.
1986 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1988 2012-05-16 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/53364
1991 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1992 detect a view-conversion of the decl.
1994 2012-05-15 Jakub Jelinek <jakub@redhat.com>
1997 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1998 that operands[2] is either immediate, or q_regs_operand.
2000 2012-05-15 Bin Cheng <bin.cheng@arm.com>
2002 Backport r187139 from mainline.
2003 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2005 PR rtl-optimization/52804
2006 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2007 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2008 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2009 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2010 RELOAD_FOR_OUTADDR_ADDRESS.
2012 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
2015 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2016 generate target register for "load" class builtins.
2019 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
2022 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2023 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2024 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2025 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2026 (<sse>_movu<ssemodesuffix>): New expander.
2027 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2028 (avx_movdqu<avxmodesuffix>): New expander.
2029 (*sse2_movdqu): Rename from sse2_movdqu.
2030 (sse2_movdqu): New expander.
2032 2012-05-14 Jakub Jelinek <jakub@redhat.com>
2034 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2035 lineno 1 the same as lineno 0 before first start file directive.
2036 (optimize_macinfo_range): Likewise.
2038 * dwarf2out.c (have_macinfo): Define.
2039 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2040 attribute, don't force empty compilation unit and don't emit any
2041 .debug_macinfo/.debug_macro section if macinfo_table is empty.
2043 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
2045 Backport from mainline
2046 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
2048 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2049 ORDERED and UNORDERED conditions.
2051 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
2053 * function.c (requires_stack_frame_p): If the function can throw
2054 non-call exceptions, return true if the insn can throw internally.
2056 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
2058 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2059 DECL_ORIGINAL_TYPE if it is present.
2061 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
2063 Backport from 2012-05-12 mainline r187342.
2066 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2067 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2068 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2069 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2070 (expand_prologue): Move initialization of cfun->machine->is_naked,
2071 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2072 (avr_set_current_function): ...this new static function.
2073 (TARGET_SET_CURRENT_FUNCTION): New define.
2074 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2075 checking attributes of current_function_decl.
2076 (avr_regs_to_save): Ditto.
2077 (signal_function_p): Rename to avr_signal_function_p.
2078 (interrupt_function_p): Rename to avr_interrupt_function_p.
2080 * doc/extend.texi (Function Attributes): Better explanation of
2081 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2084 2012-05-09 Matthias Klose <doko@ubuntu.com>
2086 * gcc-ar.c (main): Don't check for execute bits for the plugin.
2088 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
2091 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2092 when a constant source operand matches an "I" constraint, the "no
2093 CC0 change" applies to a register-destination only, not a
2094 strict_low_part-destination.
2096 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2098 Backport from mainline:
2099 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2101 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2103 2012-05-07 Jakub Jelinek <jakub@redhat.com>
2105 PR tree-optimization/53239
2106 * tree-vrp.c (get_value_range): Set VR of
2107 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2110 2012-05-07 Richard Guenther <rguenther@suse.de>
2112 PR tree-optimization/53195
2113 * tree-inline.c (setup_one_parameter): Properly add referenced
2114 vars from the parameters new known value.
2116 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2118 Backport from mainline:
2119 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2122 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2125 2012-05-04 Ian Lance Taylor <iant@google.com>
2127 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2128 values from false to NULL.
2130 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2132 Backport from mainline
2133 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2136 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2137 (TARGET_CMOV): Rename from TARGET_CMOVE.
2138 (TARGET_CMOVE): New define.
2139 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2140 Do not set TARGET_CMOVE here.
2142 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2144 Backport from mainline:
2146 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2148 PR tree-optimization/52633
2149 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2150 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2151 (vect_recog_over_widening_pattern): Remove handling of code that was
2152 already detected as over-widening pattern. Remove special handling
2153 of "unsigned" cases. Instead, support general case of conversion
2154 of the shift result to another type.
2156 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2158 * tree-vect-patterns.c (vect_single_imm_use): New function.
2159 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2160 (vect_recog_over_widening_pattern): Likewise.
2161 (vect_recog_widen_shift_pattern): Likewise.
2163 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2165 PR tree-optimization/52870
2166 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2167 presumed pattern statement is within the same loop or basic block.
2169 2012-05-04 Richard Guenther <rguenther@suse.de>
2171 * common.opt (flto-report): Do not mark as Optimization.
2173 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2176 * recog.c (constrain_operands): If extra constraints are present, also
2177 accept pseudo-registers with equivalent memory locations during reload.
2179 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2181 Backport from the mainline
2182 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2185 * config/rs6000/rs6000.md (bswapdi splitters): If
2186 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2187 default) is used, generate an alternate sequence that does not
2188 depend on using indexed addressing.
2190 2012-05-03 David S. Miller <davem@davemloft.net>
2193 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2194 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2195 (sparc_emit_float_lib_cmp): Likewise.
2197 2012-05-04 Martin Jambor <mjambor@suse.cz>
2199 Backport from mainline
2200 2012-05-02 Martin Jambor <mjambor@suse.cz>
2203 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2204 of a variable when the contect is a function.
2206 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2209 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2210 append program name to it and pass that as first argument
2211 to make_relative_prefix. Always pass standard_libexec_prefix
2212 as last argument to make_relative_prefix. If
2213 make_relative_prefix returns NULL, fall back to
2214 standard_libexec_prefix.
2217 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2221 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2222 mode, return that mode.
2224 2012-05-03 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/53144
2227 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2229 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2230 with SSA name values.
2231 (vn_reference_lookup_3): Adjust callers.
2233 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2235 PR tree-optimization/53163
2236 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2237 return value from compute_all_dependences.
2239 PR rtl-optimization/53160
2240 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2241 has been modified by ree pass already.
2243 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2245 Backport from mainline
2246 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2249 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2250 calls to cgraph_node_name in xstrdup.
2251 (ipa_make_edge_direct_to_target): Ditto.
2252 * tree-sra.c (convert_callers_for_node): Ditto.
2253 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2254 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2255 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2256 (cgraph_materialize_all_clones): Ditto.
2257 * ipa-inline.c (report_inline_failed_reason): Ditto.
2258 (want_early_inline_function_p): Ditto.
2259 (edge_badness): Ditto.
2260 (update_edge_key): Ditto.
2261 (flatten_function): Ditto.
2262 (ipa_inline): Ditto.
2263 (inline_always_inline_functions): Ditto.
2264 (early_inline_small_functions): Ditto.
2266 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
2268 Backport from mainline
2269 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
2271 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2272 Introduce emul_name to select the right linker emulation for
2273 powerpc64-*-freebsd*.
2274 * configure: Regenerate.
2275 * config.gcc: Add bits to support powerpc64-*-freebsd*.
2276 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2277 * config/rs6000/freebsd64.h: New file.
2278 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2280 (rs6000_savres_strategy): Likewise.
2281 (rs6000_savres_routine_name): Likewise.
2282 (rs6000_elf_file_end): Likewise.
2283 * config/rs6000/t-freebsd64: New file.
2284 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2285 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2287 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2289 Backport from mainline
2290 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2293 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2295 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2297 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2298 predicate to discriminate types.
2300 2012-04-27 Richard Guenther <rguenther@suse.de>
2303 * convert.c (convert_to_integer): Avoid infinite recursion for
2304 target-defined built-in types.
2306 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2309 * config/cris/cris.md ("*andhi_lowpart_v32")
2310 ("*andqi_lowpart_v32"): Change first input-only operand from
2311 a (match_operand ...) to (match_dup 0). Drop alternatives with
2312 const_int-matching constraints for redundancy.
2313 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2314 three-operand alternative.
2316 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
2318 Backport from mainline
2319 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
2321 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2322 (*addsi_2_zext): Ditto.
2323 (*add<mode>_3): Ditto.
2324 (*addsi_3_zext): Ditto.
2325 (*add<mode>_5): Ditto.
2327 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2330 * c-typeck.c (set_nonincremental_init,
2331 set_nonincremental_init_from_string): Pass true instead of false
2332 as IMPLICIT to add_pending_init.
2334 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
2336 Backport from 2012-04-24 mainline r186768.
2339 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2341 2012-04-24 Richard Guenther <rguenther@suse.de>
2343 PR tree-optimization/53085
2344 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2347 2012-04-24 Jakub Jelinek <jakub@redhat.com>
2350 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2352 (output_addressed_constants): Likewise.
2355 * varasm.c (get_section): Don't ICE for section conflicts with
2356 built-in section kinds.
2358 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
2360 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2362 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
2364 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2366 2012-04-23 Richard Guenther <rguenther@suse.de>
2369 * c-typeck.c (build_binary_op): Fix typo.
2371 2012-04-23 Jakub Jelinek <jakub@redhat.com>
2373 PR tree-optimizations/52891
2374 * tree-vect-patterns.c (adjust_bool_pattern): Use
2375 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2376 but with non-standard precision.
2378 2012-04-22 Ian Lance Taylor <iant@google.com>
2380 * godump.c (go_output_typedef): Dump size of structs.
2382 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
2384 Backport from mainline:
2386 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2387 hints for 'A' operand types.
2389 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
2391 Backport from 2012-04-19 mainline r186588.
2394 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2395 the case *(X+const).
2397 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
2399 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2401 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
2404 * config/i386/sync.md (atomic_<code><mode>): Rename to
2405 atomic_<logic><mode>.
2407 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
2409 Backport from mainline
2410 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
2413 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2414 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
2415 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2416 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2417 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2418 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2419 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2420 gen_avx2_permvarv8sf.
2422 2012-04-16 Martin Jambor <mjambor@suse.cz>
2424 Backported from mainline
2426 2012-04-13 Martin Jambor <mjambor@suse.cz>
2429 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2430 fold_ctor_reference returns a zero constant.
2432 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2434 Backported from mainline
2435 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
2437 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2438 and __ILP32__ for x32.
2440 2012-04-13 Tom de Vries <tom@codesourcery.com>
2442 Backport from mainline r186418.
2444 2012-04-13 Tom de Vries <tom@codesourcery.com>
2446 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2447 parameters vuse and vuse_escaped.
2448 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
2449 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
2452 2012-04-13 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/52969
2455 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2456 the condition for the COND_EXPR and handle predicate negation
2457 by swapping the COND_EXPR arms.
2459 2012-04-13 Richard Guenther <rguenther@suse.de>
2462 * convert.c (convert_to_pointer): Remove special-casing of
2465 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2467 Backport from mainline
2468 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2471 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2472 the list of options to enable the FCFID instruction.
2473 (TARGET_EXTRA_BUILTINS): Adjust comment.
2475 2012-04-12 Richard Guenther <rguenther@suse.de>
2477 PR tree-optimization/52943
2478 * tree-chrec.h (chrec_is_positive): Remove.
2479 * tree-scalar-evolution.c (chrec_is_positive): Move ...
2480 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
2481 Return false for a constant zero instead of negative.
2482 (analyze_siv_subscript_cst_affine): Handle zero difference
2483 in the initial condition explicitely.
2485 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2488 * varasm.c (process_pending_assemble_externals): Set
2489 pending_assemble_externals_processed true.
2490 (assemble_external): Call assemble_external_real if the pending
2491 assemble externals have been processed.
2493 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
2496 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2497 the DECL generated for the special GOT helper.
2499 2012-04-06 Walter Lee <walt@tilera.com>
2501 Backport from mainline
2502 2012-03-07 Walter Lee <walt@tilera.com>
2504 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2505 REG_CFA_* notes for the stack pointer.
2506 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2507 EH_RETURN_STACKADJ_RTX.
2508 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2509 generate REG_CFA_* notes for the stack pointer.
2510 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2511 by EH_RETURN_STACKADJ_RTX.
2513 2012-04-06 Matt Turner <mattst88@gmail.com>
2515 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2517 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
2519 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2520 of the destination isn't also a FP_REGS register.
2522 2012-04-03 Richard Guenther <rguenther@suse.de>
2524 Backport from mainline
2525 2012-03-02 Richard Guenther <rguenther@suse.de>
2527 PR tree-optimization/52406
2528 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2529 (struct indices): Add unconstrained_base member.
2530 (struct dr_alias): Remove unused vops member.
2531 (DR_UNCONSTRAINED_BASE): New define.
2532 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2533 add indices to allow their disambiguation. Make DR_BASE_OBJECT
2534 be an artificial access that covers the whole indexed object,
2535 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
2536 plain decl base-objects to their MEM_REF variant.
2537 (dr_may_alias_p): When the base-object of either data reference
2538 has unknown size use only points-to information.
2539 (compute_affine_dependence): Make dumps easier to read and
2541 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2542 DR_REF when looking for packed references.
2543 (vect_supportable_dr_alignment): Likewise.
2545 2012-04-03 Richard Guenther <rguenther@suse.de>
2547 Backport from mainline
2548 2012-03-15 Richard Guenther <rguenther@suse.de>
2551 * tree-data-ref.c (subscript_dependence_tester_1): Check
2552 all dimensions for non-conflicting access functions.
2554 2012-04-03 Richard Guenther <rguenther@suse.de>
2556 Backport from mainline
2557 2012-03-06 Richard Guenther <rguenther@suse.de>
2560 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2562 2012-03-23 Richard Guenther <rguenther@suse.de>
2564 PR tree-optimization/52678
2565 * tree-vectorizer.h (struct _stmt_vec_info): Add
2566 loop_phi_evolution_part member.
2567 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2568 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2569 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2570 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2571 Use the cached evolution part and the PHI nodes value from
2572 the loop preheader edge instead of re-analyzing the evolution.
2574 2012-03-26 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/52701
2577 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2578 compute and set the evolution part of PHI nodes.
2580 2012-03-30 Richard Guenther <rguenther@suse.de>
2582 PR tree-optimization/52754
2583 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2584 propagate arbitrary addresses into really plain dereferences.
2586 2012-04-03 Jakub Jelinek <jakub@redhat.com>
2588 PR tree-optimization/52835
2589 * tree-data-ref.c (build_rdg): Return NULL if
2590 compute_data_dependences_for_loop failed.
2592 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
2594 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2595 (stmt_can_make_abnormal_goto): Use it.
2596 (is_ctrl_altering_stmt): Likewise.
2598 2012-03-31 Martin Jambor <mjambor@suse.cz>
2600 Backported from mainline
2601 2012-03-30 Martin Jambor <mjambor@suse.cz>
2603 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2604 is a builtin_stack_save in a dominating BB.
2606 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2608 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2609 crossing 128bit lane boundary.
2611 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
2613 Backported from mainline
2614 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
2617 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2619 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2620 * config/i386/i386.c: Include reload.h.
2621 (ix86_legitimize_reload_address): New function.
2623 2012-03-28 Martin Jambor <mjambor@suse.cz>
2625 Backported from mainline
2626 2012-03-27 Martin Jambor <mjambor@suse.cz>
2629 * tree-sra.c (sra_modify_assign): Do not call
2630 load_assign_lhs_subreplacements when working with an unscalarizable
2633 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2636 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2637 __builtin_va_start to __builtin_next_arg if the latter is
2638 builtin_decl_explicit_p rather than when it is not.
2641 * tree-vect-generic.c (vector_element): Perform multiplication
2642 for pos in bitsizetype type instead of idx type.
2644 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2646 Backport from 2012-03-28 mainline r185910.
2649 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2650 (avr_builtin_decl): New static function.
2651 (struct avr_builtin_description, avr_bdesc): Move up.
2652 Add GTY marker. Add field fndecl. Remove redundant field id.
2653 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2654 (avr_expand_builtin): Code cleanup because .id is removed.
2656 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
2659 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2662 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
2664 Backport from 2012-03-28 mainline r185907.
2667 * config.gcc (tm_file): Remove avr/multilib.h.
2669 * doc/invoke.texi (AVR Options): Adjust
2670 documentation of -mtiny-stack.
2672 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2673 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2674 * config/avr/t-avr: Remove generation of multilib.h.
2675 * config/avr/t-multilib: Regenerate.
2676 * config/avr/multilib.h: Remove.
2677 * config/avr/avr.opt (-msp8): New option.
2678 (avr_sp8): New variable.
2679 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2680 * config/avr/avr.h (AVR_HAVE_SPH): New define.
2681 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2682 (avr_device_to_sp8): New prototype.
2683 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2684 (DRIVER_SELF_SPECS): New define.
2685 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2686 __AVR_SP8__, __AVR_HAVE_SPH__.
2687 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2688 AVR_HAVE_8BIT_SP to decide if SP_H is present.
2689 (avr_file_start): Ditto.
2691 2012-03-28 Jakub Jelinek <jakub@redhat.com>
2694 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2695 instead of 8 in adjust_address.
2697 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2699 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2700 of a unit before computing the offset in units.
2702 2012-03-27 Richard Guenther <rguenther@suse.de>
2705 * fold-const.c (try_move_mult_to_index): Handle &x.array more
2708 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
2711 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2713 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
2716 * varasm.c: Include pointer-set.h.
2717 (pending_assemble_externals_set): New pointer set.
2718 (process_pending_assemble_externals): Destroy the pointer set.
2719 (assemble_external): See if decl is in pending_assemble_externals_set,
2720 and add it to pending_assemble_externals if necessary.
2721 (init_varasm_once): Allocate pending_assemble_externals_set.
2723 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2725 Backported from mainline
2726 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2729 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2730 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2731 (vector_ltgt<mode>): Likewise.
2732 (vector_ordered<mode>): Likewise.
2733 (vector_unordered<mode>): Likewise.
2734 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2736 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
2738 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2741 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
2743 Backported from mainline
2744 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
2748 * config/sh/sh.c (sh_register_move_cost): Increase cost between
2749 GENERAL_REGS and FP_REGS for SImode.
2751 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2754 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2755 on any new_local_var_chain vars declared during recursing on
2756 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2758 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2760 Backport from 2012-03-22 mainline r185692.
2763 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2764 (unspecv): Add UNSPECV_MEMORY_BARRIER.
2765 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2766 (delay_cycles_1, delay_cycles_2): Ditto.
2767 (delay_cycles_3, delay_cycles_4): Ditto.
2768 (nopv, *nopv): Ditto.
2769 (sleep, *sleep): Ditto.
2772 Backport from 2012-03-21 mainline r185605.
2774 PR rtl-optimization/52543
2776 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2777 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2778 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2779 (avr_load_libgcc_p): Restrict to __flash loads.
2780 (avr_out_lpm): Only handle 1-byte loads from __flash.
2781 (avr_load_lpm): New function.
2782 (avr_find_unused_d_reg): Remove.
2783 (avr_out_lpm_no_lpmx): Remove.
2784 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2785 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2786 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2787 (load_<mode>, load_<mode>_clobber): New insns.
2788 (mov<mode>): For multi-byte move from non-generic
2789 16-bit address spaces: Expand to load_<mode> resp.
2790 load_<mode>_clobber.
2791 (load<mode>_libgcc): Remove expander.
2792 (split-lpmx): Remove split.
2794 Backport from 2012-03-13 mainline r185329.
2797 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2798 offset (size) to a value the insns can deal with.
2799 (expand_epilogue): Ditto.
2801 Backport from 2012-03-12 mainline r185256.
2804 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2805 type from reg_class_t to enum reg_class.
2806 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2808 Backport from 2012-03-12 mainline r185253.
2811 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2812 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2813 r184615 from 2012-02-28.
2815 Backport from 2012-03-08 mainline r185105.
2817 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2818 for constants in [-63,63].
2820 Backport from 2012-03-08 mainline r185100.
2823 * config/avr/avr.c (avr_mem_clobber): New static function.
2824 (avr_expand_delay_cycles): Add memory clobber operand to
2825 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2826 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2827 (enable_interrupt, disable_interrupt): New expander.
2828 (nopv, sleep, wdr): New expanders.
2829 (delay_cycles_1): Add memory clobber.
2830 (delay_cycles_2): Add memory clobber.
2831 (delay_cycles_3): Add memory clobber.
2832 (delay_cycles_4): Add memory clobber.
2833 (cli_sei): New insn from former "enable_interrupt",
2834 "disable_interrupt" with memory clobber.
2835 (*wdt): New insn from former "wdt" with memory clobber.
2836 (*nopv): Similar, but for "nopv".
2837 (*sleep): Similar, but for "sleep".
2839 Backport from 2012-03-07 mainline r185043.
2842 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2844 Backport from 2012-03-07 mainline r185032.
2847 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2848 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2849 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2851 Backport from 2012-03-07 mainline r185031.
2854 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2856 * config/avr/avr.md (xload_8): Adjust insn length.
2858 Backport from 2012-03-07 mainline r185030.
2861 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2862 if RAMPZ affects reading from RAM.
2864 Backport from 2012-03-05 mainline r184919.
2866 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2868 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
2870 Backport from mainline r185259.
2873 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2874 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2876 2012-03-22 Jakub Jelinek <jakub@redhat.com>
2878 Backported from mainline
2879 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2882 * c-parser.c (c_parser_postfix_expression)
2883 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2885 * config/i386/smmintrin.h: Avoid /* within a comment.
2886 * config/i386/nmmintrin.h: Likewise.
2888 2012-03-22 Richard Guenther <rguenther@suse.de>
2890 * BASE-VER: Set to 4.7.1.
2891 * DEV-PHASE: Set to prerelease.
2893 2012-03-22 Release Manager
2895 * GCC 4.7.0 released.
2897 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2899 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2901 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2902 Andrew Pinski <apinski@cavium.com>
2905 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2906 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2907 calls instead of __builtin_ir{int,ound}*.
2909 2012-03-14 Jakub Jelinek <jakub@redhat.com>
2912 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2915 2012-03-13 Joseph Myers <joseph@codesourcery.com>
2917 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2918 Refer to GCC 4.7 version of c99status.html.
2920 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2922 Backport from mainline
2923 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2925 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2926 redefine to be NULL if the current bit-size is different from the
2927 configured bit-size.
2929 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2930 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2931 set the default tuning. Add asserts to make sure the cpu and tune
2932 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2933 test whether the index is set, instead of > 0.
2934 (rs6000_file_start): Do not reset the default cpu if the current
2935 bit-size is different from the configured bit-size.
2937 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2939 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2941 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2942 Update binutils references.
2943 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2944 Update binutils reference.
2945 Update Sun as/GNU ld caveat.
2946 Document binutils largefile requirement for LTO plugin.
2947 Remove reference to alternate libpthread.
2949 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2951 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2953 (Specific, mips-sgi-irix6): Likewise.
2955 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2957 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2958 * configure: Regenerate.
2960 2012-03-07 Richard Henderson <rth@redhat.com>
2962 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2963 * config/m68k/sync.md (atomic_test_and_set): Use it.
2964 (atomic_test_and_set_1): Likewise.
2966 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2969 * Makefile.in: Let install-gcc-ar depend on installdirs,
2970 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2971 Don't double canonicalize if cross-compiling.
2973 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2975 * trans-mem.c: New typedef for tm_region_p.
2976 Define vector types for tm_region_p.
2977 (tm_region_init): Replace region_worklist to a vector called
2980 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2983 * trans-mem.c (tm_region_init): Use last_basic_block.
2985 2012-03-05 Richard Henderson <rth@redhat.com>
2988 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
2989 * omp-low.c (expand_omp_atomic): Assume anything aligned to
2990 BIGGEST_ALIGNMENT is aligned.
2992 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
2994 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2996 2012-03-05 Richard Henderson <rth@redhat.com>
2999 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3000 instead of calling negqi2 directly.
3002 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3004 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
3005 (INTMAX_TYPE): Use it.
3006 (UINTMAX_TYPE): Likewise.
3007 (SUBTARGET_OVERRIDE_OPTIONS): Define.
3008 (irix6_c_common_override_options): Declare.
3009 (C_COMMON_OVERRIDE_OPTIONS): Define.
3010 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
3011 * config/mips/irix6-c.c: New file.
3012 * config/mips/t-irix6 (irix6-c.o): New target.
3013 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
3016 2012-03-02 Richard Henderson <rth@redhat.com>
3018 * optabs.c (expand_atomic_test_and_set): Honor
3019 atomic_test_and_set_trueval even when atomic_test_and_set
3020 optab is not in use.
3022 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3024 Backport from mainline
3025 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3027 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3029 2012-03-02 Richard Guenther <rguenther@suse.de>
3031 * DEV-PHASE: Set to prerelease.
3033 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3035 * config.gcc (obsolete): Add all ARM targets using the FPA.
3036 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3037 * doc/install.texi: Avoid references to obsolete ARM ports.
3039 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3041 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3043 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3044 Joern Rennecke <joern.rennecke@embecosm.com>
3046 * doc/extend.texi: Expand and update information on interrupt
3047 attribute for Epiphany.
3049 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3051 * config/sh/sh-protos.h: Update copyright notice dates.
3052 * config/sh/sh.h: Likewise.
3053 * config/sh/sh.md: Likewise.
3054 * config/sh/constraints.md: Likewise.
3055 * config/sh/predicates.md: Likewise.
3057 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3059 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3060 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3062 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3064 * config/sh/constraints.md: Fix comment typo.
3066 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3069 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3070 unsigned HOST_WIDE_INT.
3071 (zvdep_imm64): Likewise.
3072 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3073 (vdepi_and): Likewise.
3074 Likewise for unamed 64-bit patterns.
3075 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3077 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3080 PR rtl-optimization/52417
3081 * cselib.c (cselib_any_perm_equivs): New variable.
3082 (cselib_reset_table): Check that it's not set when not
3083 preserving constants.
3084 (cselib_add_permanent_equiv): Set it.
3085 (cselib_have_permanent_equivalences): New.
3086 (cselib_init, cselib_finish): Reset it.
3087 * cselib.h (cselib_have_permanent_equivalences): Declare.
3088 * alias.c (get_addr): Restore earlier behavior when there
3089 aren't permanent equivalences.
3091 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3093 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3094 * config/v850/v850-modes.def: Fix copyright notice.
3096 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3098 * doc/extend.texi (AVR Built-in Functions): Document
3099 __builtin_avr_flash_segment.
3101 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3102 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3103 (*split.flash_segment): New insn-and-split.
3104 * config/avr/avr.c (avr_init_builtins): Add local variables:
3105 const_memx_void_node, const_memx_ptr_type_node,
3106 char_ftype_const_memx_ptr.
3108 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3110 PR tree-optimization/52445
3111 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3112 add ssa_name_ver, offset and size fields and change store field
3114 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3115 (add_or_mark_expr): Likewise. Only consider previous stores
3116 with the same size and offset.
3117 (nt_init_block): Only look at gimple_assign_single_p stmts,
3118 doesn't look at rhs2.
3120 2012-03-01 Richard Guenther <rguenther@suse.de>
3123 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3124 conversions from integral types to pointer types.
3126 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3128 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3129 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3130 unintentionally removed in r184616.
3132 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3134 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3137 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3138 Uros Bizjak <ubizjak@gmail.com>
3141 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3142 alternatives, add "e" constraint to the new last alternative
3143 and ! to last 3 alternatives.
3145 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3147 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3148 DW_AT_artificial attributes at the end of the processing.
3149 (gen_array_type_die): Likewise.
3150 (gen_enumeration_type_die): Likewise.
3151 (gen_struct_or_union_type_die): Likewise.
3152 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3155 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3158 * expr.c (expand_assignment): If doing misaligned store that doesn't
3159 cover all mode bits, perform a RMW cycle.
3161 PR tree-optimization/52429
3162 * tree-parloops.c (separate_decls_in_region_debug): Return early
3163 if var is LABEL_DECL.
3165 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3167 PR tree-optimization/52424
3168 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3169 calling dom_thread_across_edge.
3171 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3173 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3175 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3177 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3178 * config/avr/avr.c (avr_output_bld): Remove unused function.
3179 (avr_out_sbxx_branch): Use "%T" to print bit position.
3181 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3183 * config/avr/avr.md: Untabify.
3185 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3187 * config/avr/avr.md (eqne): New code iterator.
3188 (*dec-and-branchsi): Use it in text peephole's condition.
3189 (*dec-and-branchhi): Ditto.
3190 (*dec-and-branchqi): Ditto.
3192 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3195 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3196 the device does not have the skip-bug.
3198 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3200 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3201 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3202 -mpretend-cmove): New.
3204 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3207 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3208 doesn't count DEBUG_INSN refs.
3209 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3210 for DEBUG_INSN refs.
3212 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3216 2012-02-20 Richard Guenther <rguenther@suse.de>
3217 PR tree-optimization/52298
3218 * tree-vect-stmts.c (vectorizable_load): Properly use
3219 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3222 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3225 * gimple.h (gimple_in_transaction): New.
3226 (gimple_set_in_transaction): New.
3227 (struct gimple_statement_base): Add in_transaction field.
3228 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3230 (tree_ssa_lim_initialize): Compute transaction bits.
3231 * tree.h (compute_transaction_bits): Protoize.
3232 * trans-mem.c (tm_region_init): Use the heap to store BB
3234 (compute_transaction_bits): New.
3236 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3238 * gcc.c (display_help): Document --help=common and sort entries
3241 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3243 * doc/install.texi: Document check-$LANG specific shortcuts
3245 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3248 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3250 * config/arm/arm_neon.h: Regenerate.
3251 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3252 (neon_vcgeu): New insn.
3253 (neon_vcgtu): Likewise.
3254 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3255 (ops): Unsigned comparison intrinsics call a different
3258 2012-02-28 Richard Guenther <rguenther@suse.de>
3261 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3262 ordering for the VEC_CONCAT for two element vectors for
3263 V2SFmode, V2SImode and V2DImode.
3265 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3268 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3269 detecting big-endian triplets.
3271 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3273 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3274 mode if there is no type information available.
3276 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3278 PR tree-optimization/53207
3279 * doc/invoke.texi: Document as experimental and relying on graphite.
3281 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3283 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3284 of initializer to changes from r184614.
3286 2012-02-28 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/52395
3289 * tree-sra.c (build_ref_for_offset): Also look at the base
3290 TYPE_ALIGN when figuring out the alignment of the replacement.
3292 2012-02-28 Richard Guenther <rguenther@suse.de>
3294 PR tree-optimization/52402
3295 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3296 mis-aligned types when creating the accesses at the call site.
3298 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3300 * config/avr/builtins.def: New file.
3301 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3302 * config/avr/avr.c (enum avr_builtin_id): Use it.
3303 (avr_init_builtins): Use it. And use avr_bdesc.
3304 (bdesc_1arg): Remove.
3305 (bdesc_2arg): Remove.
3306 (bdesc_3arg): Remove.
3307 (struct avr_builtin_description): Add field n_args.
3308 (avr_bdesc): New static variable using builtins.def.
3309 (avr_expand_builtin): Use it.
3310 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3311 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3312 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3314 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3317 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3318 match only one single hard register with respective hard reg rtx.
3319 (movmemx_<mode>): Ditto.
3320 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3321 insn anatomy of movmem[x]_<mode>.
3322 (avr_out_movmem): Same for printing assembler and operand usage.
3324 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3328 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3329 address spaces located outside of device flash.
3331 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3332 (mcu_type_s): Add field n_flash.
3333 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3334 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3335 (AVR_MCU): Add N_FLASH argument.
3336 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3337 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3338 macro __FLASH<n> if that address space makes sense for the device.
3339 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3340 outside of target flash.
3341 (avr_asm_named_section): Ditto.
3342 (avr_asm_select_section): Ditto.
3343 (avr_addr_space_convert): Ditto.
3344 (avr_emit_movmemhi): Ditto.
3345 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3346 address space is outside of device flash.
3347 (avr_insert_attributes): Ditto.
3348 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3349 avr_current_arch->n_segments.
3351 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3354 * config/i386/i386.md (*movabs<mode>_1): Enable only for
3356 (*movabs<mode>_2): Likewise.
3358 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3361 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3362 s_register_operand in the test instead of REG_P. Don't call
3363 gen_reg_rtx if it won't be used.
3365 PR tree-optimization/52376
3366 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3368 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3370 * ifcvt.c (noce_get_condition): Check condition variable is not
3371 small_register_classes_for_mode_p before accepting.
3373 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3375 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3377 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3380 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3381 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3383 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3385 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3387 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3389 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3391 * config/sh/predicates.md: Remove blank lines.
3392 * config/sh/sh.c: Fix typos in comments.
3393 * config/sh/constraints.md: Likewise.
3394 * config/sh/sh.md: Remove blank lines.
3395 Fix typos in comments. Use ;; as comment characters.
3397 2012-02-26 Walter Lee <walt@tilera.com>
3399 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3400 (replace_mov_pcrel_step2): Ditto.
3402 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3405 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3406 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3407 and locs that reference values newer than the non-canonical value
3408 at hand. Return the canonical value as a worst case.
3409 (memrefs_conflict_p): Walk canonical value's locs.
3412 * cselib.c (preserve_only_constants): Rename to...
3413 (preserve_constants_and_equivs): ... this. Split out...
3414 (invariant_or_equiv_p): ... this. Preserve plus expressions
3415 of other preserved expressions too.
3416 (cselib_reset_table): Adjust.
3417 * var-tracking.c (reverse_op): Use canonical value to build
3420 2012-02-23 Kai Tietz <ktietz@redhat.com>
3422 * config/i386/i386.c (ix86_delegitimize_address): Handle
3423 UNSPEC_PCREL plus displacement.
3425 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3428 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3429 to test for unusedness in st X addressing.
3431 2012-02-24 Richard Guenther <rguenther@suse.de>
3434 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3435 (is_gimple_reg_type): Move inline ...
3436 * gimple.h (is_gimple_reg_type): ... here.
3438 2012-02-24 Richard Guenther <rguenther@suse.de>
3441 * passes.c (execute_function_todo): When verifying SSA form
3442 verify gimple form first.
3443 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3445 2012-02-24 Richard Guenther <rguenther@suse.de>
3448 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3449 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3451 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3453 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3455 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3457 * tree-phinodes.c (make_phi_node): Mark static.
3458 * tree-flow.h (make_phi_node): Remove extern decl.
3459 * doc/gimple.texi (make_phi_node): Remove documentation.
3461 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3463 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3464 * tree-ssa-sccvn.c (print_scc): Ditto.
3466 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3468 * doc/passes.texi (Full redundancy elimination): Fix typo.
3470 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3472 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3474 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3477 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3479 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3482 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3484 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3486 * config/avr/avr.md (code_stdname): Add ior, xor.
3487 (xior): New code iterator.
3488 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3489 (*<code_stdname><mode>qi.byte1-3): Ditto.
3491 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3493 PR tree-optimization/52019
3494 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3497 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3499 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3500 HAVE_INITFINI_ARRAY to work around namespace pollution in
3501 certain versions of newlib system headers.
3502 * config.in: Regenerate.
3503 * configure: Regenerate.
3504 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3505 instead of HAVE_INITFINI_ARRAY.
3507 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3510 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3511 is not offsettable memory reference.
3513 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3516 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3517 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3519 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3521 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3522 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3524 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3526 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3527 library on Solaris 8 even without TLS support.
3528 * configure: Regenerate.
3530 2012-02-22 Richard Guenther <rguenther@suse.de>
3533 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3534 for GIMPLE_DEBUG stmts.
3536 2012-02-22 Martin Jambor <mjambor@suse.cz>
3539 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3540 according to the base object.
3542 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3544 PR rtl-optimization/50063
3545 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3546 and 2 (8-bit SP) in operand 2.
3547 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3548 setup to use movhi_sp_r instead of vanilla move to write SP.
3549 Adjust REG_CFA notes to superseed unspec.
3550 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3552 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3553 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3554 irq_state 1 (IRQ known to be on) here.
3556 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3558 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3560 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3561 assign_hard_reg): Likewise.
3563 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3565 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3567 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3570 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3571 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3573 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3575 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3576 prototype from here to...
3577 * config/avr/avr.h: ...here.
3579 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3582 * thumb2.md (thumb2_shiftsi3_short): Split register and
3583 immediate shifts. For register shifts tie operands 0 and 1.
3584 (peephole2 for above): Check that register-controlled shifts
3585 have suitably tied operands.
3587 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3590 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3591 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3592 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3593 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3594 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3595 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3596 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3597 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3598 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3599 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3600 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3601 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3602 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3603 bdver1_ssevector_avx256_unaligned_load,
3604 bdver1_ssevector_sse128_unaligned_load,
3605 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3606 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3607 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3608 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3609 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3610 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3611 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3612 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3613 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3614 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3615 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3616 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3617 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3618 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3619 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3620 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3621 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3622 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3623 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3624 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3625 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3626 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3627 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3628 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3629 bdver1_ssediv_double_load, bdver1_ssediv_double,
3630 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3631 Add "bdver2" attribute.
3633 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3635 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3636 default if possible and not specified otherwise.
3638 2012-02-21 Richard Guenther <rguenther@suse.de>
3641 * gimplify.c (create_tmp_from_val): Use the main variant type
3642 for the type of the temporary we create.
3644 2012-02-21 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/52324
3647 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3648 do not gimplify a MEM_REF address operand if it is already
3651 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3653 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3654 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3656 2012-02-21 Richard Guenther <rguenther@suse.de>
3658 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3659 nested_in_vect_loop.
3661 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3663 PR tree-optimization/52318
3664 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3665 vdef also to non-pure/const call stmts in the sequence.
3667 2012-02-20 David S. Miller <davem@davemloft.net>
3669 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3670 don't use the "rd %pc" instruction on v9 for PIC register loads.
3672 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3675 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3676 in a transaction safe function.
3678 2012-02-20 Kai Tietz <ktietz@redhat.com>
3681 * stor-layout.c (place_field): Handle desired_align for
3684 2012-02-20 Richard Guenther <rguenther@suse.de>
3686 PR tree-optimization/52298
3687 * tree-vect-stmts.c (vectorizable_store): Properly use
3688 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3690 (vectorizable_load): Likewise.
3691 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3692 Access DR_STEP after ensuring it is not NULL.
3694 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3696 PR tree-optimization/52286
3697 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3698 optimization use double_int_to_tree instead of build_int_cst_wide,
3699 rewrite to use double_int vars.
3701 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3704 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3706 Remove -e 0 from $gcc_cv_ld invocation.
3707 Only use __GLIBC_PREREQ if defined.
3708 Enable on Solaris since Solaris 8 patch.
3709 (gcc_SUN_LD_VERSION): New macro.
3710 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3711 gcc_SUN_LD_VERSION for version number format.
3712 * configure: Regenerate.
3713 * varasm.c (get_elf_initfini_array_priority_section): Set
3714 SECTION_NOTYPE for non-default priority.
3715 Use get_section instead of get_unnamed_section to emit
3716 .init_array/.fini_array with default priority.
3718 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3720 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3721 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3722 (mips_start_unique_function, mips_output_mips16_rdhwr)
3723 (mips_code_end): New functions.
3724 (TARGET_ASM_CODE_END): Define.
3726 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3728 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3729 to stubs with non-sibling calls.
3731 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
3733 * doc/invoke.texi (-fira-* options): Copy-edit.
3734 (ira-* parameters): Copy-edit.
3736 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3738 * doc/invoke.texi: Minor copy-edits to bring into conformance with
3739 GCC coding conventions.
3741 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
3743 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3744 when used as adjectives.
3746 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
3748 * doc/invoke.texi: Clean up "that"/"which" confusion.
3750 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
3752 * system.h: Poison SMALL_REGISTER_CLASSES
3753 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3754 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3756 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3758 PR tree-optimization/52285
3759 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3760 when deciding if a call is a tail call or tail recursion.
3762 2012-02-16 Kai Tietz <ktietz@redhat.com>
3764 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3765 interger-constant displacement for UNSPEC_PCREL.
3767 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3769 PR rtl-optimization/52208
3770 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3771 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3773 PR tree-optimization/52255
3774 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3775 loop->header has virtual PHI, but exit_e->dest doesn't, add
3776 virtual PHI to exit_e->dest and adjust all uses after the loop.
3779 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3780 children with clone_tree_hash, not after it.
3782 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
3784 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3785 extended identifiers.
3787 2012-02-16 Jakub Jelinek <jakub@redhat.com>
3790 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3791 a same_body_alias, also test whether e->callee isn't a former
3792 or current clone of the decl this is a same body alias of.
3794 PR translation/52264
3795 * cgraphunit.c (verify_cgraph_node): Fix a typo.
3797 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
3799 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3801 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3804 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3805 force_reg instead of copy_to_reg for better optimization. Force
3806 non-register or memory operands into a register.
3808 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
3810 * extend.texi: Reserve upper bits of memory model for future use.
3812 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
3813 Anatoly Sokolov <aesok@post.ru>
3814 Eric Weddington <eric.weddington@atmel.com>
3817 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3818 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3819 Rewrite initializers for .macro.
3820 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3821 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3822 atxmega32d4, atxmega32x1.
3823 avrxmega4: atxmega64a3, atxmega64d3.
3824 avrxmega5: atxmega64a1, atxmega64a1u.
3825 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3826 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3827 avrxmega7: atxmega128a1, atxmega128a1u.
3828 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3829 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3830 (struct base_arch_s): Rename reserved to xmega_p.
3831 Rename reserved2 to have_rampd.
3832 (AVR_XMEGA): New define.
3833 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3834 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3835 * config/avr/predicates.md (io_address_operand): Take into
3837 (low_io_address_operand): Ditto.
3838 (high_io_address_operand): Ditto.
3839 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3840 (enabled, movhi_sp_r): Use them.
3841 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3842 cpp_define_formatted to built-in define __AVR_ARCH__.
3843 (__AVR_XMEGA__): New built-in define.
3844 (__AVR_HAVE_RAMPD__): New built-in define.
3845 (__AVR_HAVE_RAMPX__): New built-in define.
3846 (__AVR_HAVE_RAMPY__): New built-in define.
3847 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3849 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3850 (avr_option_override): Initialize them.
3851 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3852 (avr_init_expanders): Initialize them. No more block several calls.
3853 (emit_push_sfr): New static function.
3854 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3856 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3857 (avr_print_operand): Print addreeses as symbols for
3858 RAMPX, RAMPY, RAMPD, CCP.
3859 (output_movhi): Handle AVR_XMEGA when writing to SP.
3860 (avr_out_movhi_mr_r_xmega): New static function.
3861 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3862 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
3863 __RAMPD__, __CCP__ as needed.
3865 * config/avr/multilib.h: Regenerate.
3866 * config/avr/t-multilib: Regenerate.
3867 * config/avr/avr-tables.opt: Regenerate.
3869 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3871 PR tree-optimization/50561
3872 * graphite-flattening.c (lst_project_loop): Do not
3873 remove old scattering dimensions after flattening.
3874 (lst_do_flatten): Likewise.
3876 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
3878 * doc/extend.texi (AVR Built-in Functions): Remove doc for
3879 __builtin_avr_map8, __builtin_avr_map16.
3880 Document __builtin_avr_insert_bits.
3882 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3883 (insert_bits): New insn.
3884 (adjust_len.map_bits): Rename to insert_bits.
3885 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3886 * avr-protos.h (avr_out_map_bits): Remove.
3887 (avr_out_insert_bits, avr_has_nibble_0xf): New.
3888 * config/avr/constraints.md (Cxf,C0f): New.
3889 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3890 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3891 New built-in define __BUILTIN_AVR_INSERT_BITS.
3892 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3893 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3894 (avr_move_bits): Rewrite.
3895 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3897 (avr_map_op_t): New typedef.
3898 (avr_map_op): New static variable.
3899 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3900 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3901 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3902 (bdesc_3arg, avr_expand_triop_builtin): New.
3903 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3904 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3905 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3906 (avr_map_equal_p, avr_map_sig_p): Remove.
3907 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3908 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3909 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3910 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3911 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3912 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3914 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3916 * config/c6x/c6x.md (reserve_cycles): New attribute.
3917 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3918 don't reserve functional units after the branch occurs.
3920 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
3923 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3924 functions into non-tm_pure functions.
3926 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
3929 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3930 (iterative_hash_canonical_type): Likewise.
3931 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3934 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
3936 * haifa-sched.c (prune_ready_list): Ensure that if there is a
3937 sched-group insn, it either remains alone or the entire list is pruned.
3939 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3941 * doc/install.texi (Prerequisites): Fix grammar.
3942 (Configuration): Likewise.
3944 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3946 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3947 MPC as part of GCC before describing configuring with --with-gmp etc.
3948 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3949 sources are present.
3951 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3954 * dwarf2out.c (clone_tree_hash): New function.
3955 (copy_decls_walk): Use it instead of clone_tree.
3957 2012-02-14 Richard Guenther <rguenther@suse.de>
3959 PR tree-optimization/52244
3960 PR tree-optimization/51528
3961 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3962 replacements for integral types.
3964 2012-02-14 Walter Lee <walt@tilera.com>
3966 * config.gcc: Handle tilegx and tilepro.
3967 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3969 Add HAVE_AS_TLS check for tilegx and tilepro.
3970 * configure: Regenerate.
3971 * doc/contrib.texi: Add Mat Hostetter and self.
3972 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3973 Document instruction intrinsics and network accessing intrinsics.
3974 (TILEPro Built-in Functions): New node. Document instruction
3975 intrinsics and network accessing intrinsics.
3976 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3977 (Specific, tilepro-*-linux*): Likewise.
3978 * doc/invoke.texi (TILE-Gx Options): New section.
3979 (TILEPro Options): New section.
3980 * doc/md.texi (TILE-Gx): New section.
3981 (TILEPro): New section.
3982 * common/config/tilegx/tilegx-common.c: New file.
3983 * common/config/tilepro/tilepro-common.c: New file.
3984 * config/tilegx/constraints.md: New file.
3985 * config/tilegx/linux.h: New file.
3986 * config/tilegx/mul-tables.c: New file.
3987 * config/tilegx/predicates.md: New file.
3988 * config/tilegx/sync.md: New file.
3989 * config/tilegx/t-tilegx: New file.
3990 * config/tilegx/tilegx-builtins.h: New file.
3991 * config/tilegx/tilegx-c.c: New file.
3992 * config/tilegx/tilegx-generic.md: New file.
3993 * config/tilegx/tilegx-modes.def: New file.
3994 * config/tilegx/tilegx-multiply.h: New file.
3995 * config/tilegx/tilegx-protos.h: New file.
3996 * config/tilegx/tilegx.c: New file.
3997 * config/tilegx/tilegx.h: New file.
3998 * config/tilegx/tilegx.md: New file.
3999 * config/tilegx/tilegx.opt: New file.
4000 * config/tilepro/constraints.md: New file.
4001 * config/tilepro/gen-mul-tables.cc: New file.
4002 * config/tilepro/linux.h: New file.
4003 * config/tilepro/mul-tables.c: New file.
4004 * config/tilepro/predicates.md: New file.
4005 * config/tilepro/t-tilepro: New file.
4006 * config/tilepro/tilepro-builtins.h: New file.
4007 * config/tilepro/tilepro-c.c: New file.
4008 * config/tilepro/tilepro-generic.md: New file.
4009 * config/tilepro/tilepro-modes.def: New file.
4010 * config/tilepro/tilepro-multiply.h: New file.
4011 * config/tilepro/tilepro-protos.h: New file.
4012 * config/tilepro/tilepro.c: New file.
4013 * config/tilepro/tilepro.h: New file.
4014 * config/tilepro/tilepro.md: New file.
4015 * config/tilepro/tilepro.opt: New file.
4017 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4019 PR tree-optimization/52210
4020 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4021 vect_model_simple_cost with two entry vect_def_type array instead
4022 of an address of dt.
4024 2012-02-14 Richard Guenther <rguenther@suse.de>
4027 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4028 Do not stream DECL_QUALIFIER.
4029 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4030 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4031 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4033 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4036 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4039 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4042 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4043 * cselib.c (cselib_subst_to_values_from_insn): New function.
4044 * sched-deps.c (add_insn_mem_dependence,
4045 sched_analyze_1, sched_analyze_2): Use it.
4047 2012-02-13 Jan Hubicka <jh@suse.cz>
4050 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4052 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4054 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4055 (GTM_SELF_SPECS): Define if not already defined.
4056 (driver_self_specs): Add GTM_SELF_SPECS.
4057 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4058 (GTM_SELF_SPECS): Define.
4059 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4060 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4062 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4064 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4067 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4070 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4071 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4073 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4076 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4078 2012-02-13 Richard Guenther <rguenther@suse.de>
4080 PR translation/52211
4081 * passes.c (enable_disable_pass): Fix typo.
4083 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4086 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4087 XOR for reduce_bit_field if type is unsigned.
4089 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4091 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4092 disallow changes from SFmode to mode with different size in FP regs.
4094 2012-02-12 Robert Millan <rmh@gnu.org>
4095 Gerald Pfeifer <gerald@pfeifer.com>
4097 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4100 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4102 PR rtl-optimization/52175
4103 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4104 to frame-related instructions.
4106 2012-02-10 Jason Merrill <jason@redhat.com>
4109 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4110 (demangle_new_symbols): Fill it.
4111 (scan_linker_output): Walk it.
4112 (start_tweaking): Split out from scan_linker_output.
4113 (maybe_tweak): Update sym->chosen.
4114 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4116 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4119 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4121 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4123 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4124 having the same mode as previous compare.
4126 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4128 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4129 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4130 (nonlocal_goto_internal): Likewise.
4131 (nonlocal_goto): Emit a use and an indirect jump directly.
4133 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4136 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4137 __atomic_{is,always}_lock_free.
4139 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4142 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4143 negative constant address for x32.
4145 2012-02-10 Richard Henderson <rth@redhat.com>
4147 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4148 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4149 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4151 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4152 Ira Rosen <irar@il.ibm.com>
4154 PR tree-optimization/50031
4155 * targhooks.c (default_builtin_vectorization_cost): Handle
4157 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4158 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4159 all types of reduction and pattern statements.
4160 (vect_estimate_min_profitable_iters): Likewise.
4161 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4162 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4163 for explicit realigns.
4164 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4165 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4167 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4168 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4169 vec_perm for VSX and handle vec_promote_demote.
4171 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4174 * builtins.c (fold_builtin_atomic_always_lock_free,
4175 expand_builtin_atomic_always_lock_free,
4176 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4177 Return and/or test boolean_true_node/boolean_false_node instead of
4178 integer_one_node/integer_zero_node.
4180 2012-02-10 Jan Hubicka <jh@suse.cz>
4183 * predict.c (predict_paths_for_bb): Prevent looping.
4184 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4186 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4188 * config/arm/arm.c (output_move_double): In one case properly
4189 count number of instructions that will be emitted.
4191 2012-02-10 Richard Guenther <rguenther@suse.de>
4193 PR translation/52193
4194 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4196 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4199 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4201 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4204 * var-tracking.c (emit_note_insn_var_location): If
4205 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4206 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4207 non-NOTE_DURING_CALL_P insn.
4209 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4212 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4214 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4217 * gcc.c (switch_matches) Support switches with separated form,
4220 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4222 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4224 (RAMPZ_ADDR): Ditto.
4225 * config/avr/avr.c (avr_addr_t): New typedef.
4226 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4227 (avr_init_expanders): Initialize it.
4228 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4230 (expand_epilogue): Ditto.
4231 (avr_print_operand): Ditto.
4232 (avr_file_start): Ditto.
4233 (avr_emit_movmemhi): Ditto.
4235 2012-02-08 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/46886
4238 * tree-flow.h (do_while_loop_p): Declare.
4239 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4240 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4242 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4244 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4245 always succeed for integers larger than a native word.
4247 2012-02-08 Richard Guenther <rguenther@suse.de>
4249 PR rtl-optimization/52170
4250 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4251 properly handle integer vector modes.
4253 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4255 PR gcov-profile/52150
4256 * coverage.c: Include target.h.
4257 (build_var): Call targetm.strip_name_encoding on the assembler name.
4258 Change one _ into . or $ if the target allows it.
4259 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4261 PR rtl-optimization/52139
4262 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4263 is a BARRIER after emit_insn_after_noloc, move BB_END
4264 to the last non-BARRIER insn before it.
4266 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4269 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4270 (mips_gimplify_va_arg_expr): Call it instead of
4271 std_gimplify_va_arg_expr.
4273 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4275 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4276 message for -mno-pointers-to-nested-function.
4278 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4281 * expr.c (get_inner_reference): If there is an offset, add a negative
4282 bit position to it (if any).
4284 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4286 PR rtl-optimization/52060
4287 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4288 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4289 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4290 and/or i0src_copy2 when needed.
4292 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4294 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4295 or LTOPLUGINSONAME if have_c.
4297 * config/freebsd-spec.h: Add comment about what macros can be defined
4299 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4300 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4303 2012-02-07 Richard Guenther <rguenther@suse.de>
4305 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4306 newline in -alias dumps.
4308 2012-02-07 Kai Tietz <ktietz@redhat.com>
4309 Dave Korn <dave.korn.cygwin@gmail.com>
4312 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4313 Take care that typinfo gets dllexport-attribute.
4315 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4318 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4319 if modifier < EXPAND_SUM call force_operand on the result.
4321 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4323 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4324 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4326 (epiphany_function_type): Replace types for specific interrupts with
4327 EPIPHANY_FUNCTION_INTERRUPT.
4328 (EPIPHANY_INTERRUPT_P): Update.
4329 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4330 New static function.
4331 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4332 <disinterrupt>: Affects type identity.
4333 (epiphany_handle_interrupt_attribute): Handle variable number of
4335 (epiphany_compute_function_type): Update for new
4336 epiphany_function_type definition.
4337 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4338 handlers with a longcall forwarder.
4339 (epiphany_start_function): Handle multiple interrupt arguments and/or
4340 forwarder_section attribute.
4342 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4345 2012-02-07 Alan Modra <amodra@gmail.com>
4348 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4351 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4353 PR tree-optimization/50969
4354 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4355 use vec_perm rather than vector_stmt.
4356 (vect_model_load_cost): Likewise.
4357 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4358 vec_perm to be the same as other vector statements.
4359 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4360 cost of vec_perm for TARGET_VSX.
4362 2012-02-06 Richard Guenther <rguenther@suse.de>
4364 PR tree-optimization/52115
4365 * tree-sra.c (access_has_replacements_p): New function.
4366 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4368 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4371 * trans-mem.c (expand_call_tm): Add an assertion.
4372 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4375 2012-02-06 Richard Guenther <rguenther@suse.de>
4377 PR tree-optimization/50955
4378 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4379 raise cost of expressions that replace an address with an
4380 expression based on a different pointer.
4382 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4385 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4386 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4388 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4391 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4392 -Weffc++ and specify guidelines come from second edition.
4394 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4396 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4397 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4398 (call_direct_split, call_value_split, call_value_internal_direct)
4399 (call_value_direct_split, call_value_multiple_split): Use jal and
4400 jal_macro attributes.
4402 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4404 * reload1.c (reload_regs_reach_end_p): Replace with...
4405 (reload_reg_rtx_reaches_end_p): ...this function.
4406 (new_spill_reg_store): Update commentary.
4407 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4408 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4409 before setting new_spill_reg_store.
4410 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4411 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4412 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4413 for non-spill reload registers.
4415 2012-02-05 Ira Rosen <irar@il.ibm.com>
4417 PR tree-optimization/52091
4418 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4419 (vect_is_simple_use_1): Likewise.
4420 * tree-vect-loop.c (vectorizable_reduction): Update calls
4421 to vect_is_simple_use_1 and vect_is_simple_use.
4422 (vectorizable_live_operation): Likewise.
4423 * tree-vect-patterns.c (widened_name_p,
4424 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4425 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4426 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4427 vectorizable_shift,vectorizable_operation, vectorizable_store,
4428 vectorizable_load): Likewise.
4429 (vect_is_simple_cond): Add an argument, pass it to
4430 vect_is_simple_use_1.
4431 (vectorizable_condition): Update calls to vect_is_simple_cond,
4433 (vect_is_simple_use): Add an argument, the statement in which
4434 OPERAND is used. Check that if OPERAND's def stmt is a double
4435 reduction phi node, the use is a phi node too.
4436 (vect_is_simple_use_1): Add an argument, pass it to
4438 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4439 to vect_is_simple_use.
4441 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4443 PR rtl-optimization/52095
4444 * modulo-sched.c (dump_insn_locator): New function.
4445 (loop_canon_p, sms_schedule): Use it.
4447 PR rtl-optimization/52113
4448 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4449 even for decomposable shift/zext insns.
4451 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4452 Zdenek Dvorak <ook@ucw.cz>
4454 PR rtl-optimization/52092
4455 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4456 on get_iv_value result.
4458 2012-02-02 Andrew Pinski <apinski@cavium.com>
4462 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4464 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4467 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4469 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4471 PR rtl-optimization/49800
4472 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4473 (sched_finish): Call regstat_free_n_sets_and_refs.
4475 2012-02-02 Jia Liu <proljc@gmail.com>
4477 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4480 2012-02-02 Jan Hubicka <jh@suse.cz>
4481 Tom de Vries <tom@codesourcery.com>
4484 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4485 * varpool.c (varpool_analyze_pending_decls): Likewise.
4487 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4488 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4490 * config.gcc: Add cr16-* support.
4492 * doc/extend.texi: Document cr16 extensions.
4493 * doc/install.texi: Document cr16 install.
4494 * doc/invoke.texi: Document cr16 options.
4495 * doc/md.texi: Document cr16 constraints.
4497 * common/config/cr16/cr16-common.c: New file.
4498 * config/cr16/cr16.c: New file.
4499 * config/cr16/cr16.h: New file.
4500 * config/cr16/cr16.md: New file.
4501 * config/cr16/cr16.opt: New file.
4502 * config/cr16/cr16-protos.h: New file.
4503 * config/cr16/predicates.md: New file.
4504 * config/cr16/constraints.md: New file.
4505 * config/cr16/t-cr16: New file.
4507 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4510 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4511 that operands[2] is either immediate, or q_regs_operand.
4513 PR tree-optimization/52073
4514 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4515 a pattern stmt for pattern uses, ignore uses outside of the loop.
4517 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4519 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4520 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4521 (OUT_AS1, OUT_AS2): Remove.
4523 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4525 PR rtl-optimization/51374
4526 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4527 to cross other volatile_refs_p insns.
4529 2012-02-01 Richard Guenther <rguenther@suse.de>
4531 * doc/invoke.texi (fno-inline): Clarify documentation.
4532 (finline-small-functions): Likewise.
4533 (finline-functions): Likewise.
4534 * common.opt (finline): Adjust comment and documentation.
4535 (finline-small-functions): Clarify documentation.
4536 (finline-functions): Likewise.
4537 (finline-functions-called-once): Likewise.
4539 2012-02-01 Tristan Gingold <gingold@adacore.com>
4541 * c-typeck.c (composite_type): Keep mode for pointers.
4543 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4545 * function.h (regno_reg_rtx): Adjust comment.
4546 * reginfo.c (init_reg_modes_target): Only use the previous mode
4547 if it fits within one register. Remove MIPS comment.
4549 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4552 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4554 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4556 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4557 to srak instruction.
4559 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4561 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4563 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4568 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4570 2012-01-31 Richard Guenther <rguenther@suse.de>
4572 PR tree-optimization/51528
4573 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4576 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4581 * ree.c (add_removable_extension): Change def_map argument
4582 to unsigned *, store in def_map 1 + offset into *insn_list vector
4583 instead of pointers into the vector.
4584 (find_removable_extensions): Adjust caller.
4586 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4588 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4589 Transform all "* quoted-c-code" to { c-code }.
4590 Remove redundant test for "optimize" in combine patterns.
4591 Move (include "avr-dimode.md") to end of file.
4593 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4596 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4597 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4599 2012-01-30 Richard Guenther <rguenther@suse.de>
4601 PR tree-optimization/52028
4602 * tree-loop-distribution.c (ldist_gen): Properly update
4605 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4608 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4609 set_cur_line_info_table if not emitting debug info.
4611 PR tree-optimization/52046
4612 * tree-vect-patterns.c (check_bool_pattern): Give up if
4613 a comparison could throw.
4616 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4618 2012-01-30 Richard Guenther <rguenther@suse.de>
4620 PR tree-optimization/52045
4621 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4622 SSA form if cfgcleanup did anything.
4624 2012-01-30 Richard Guenther <rguenther@suse.de>
4626 PR tree-optimization/52045
4627 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4628 before computing final todo.
4630 2012-01-30 Richard Guenther <rguenther@suse.de>
4632 PR tree-optimization/51528
4633 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4636 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4638 * df-problems.c (df_kill_notes): Check that the use refers
4639 to the note under examination.
4641 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4644 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4645 parameter and use short-lived pseudos.
4646 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4647 (sparc_expand_vector_init): Const-ify local variables and adjust
4648 calls to above functions.
4650 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4652 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4654 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4656 * doc/invoke.texi: Make usage of "compile time" and
4657 "run time"/"runtime" consistent throughout the file.
4659 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4661 * config/alpha/alpha.c (alpha_option_override): Default to
4662 full IEEE compliance mode for Go language.
4664 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4666 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4667 (LINK_SSP_SPEC): Define.
4669 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4672 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4675 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4677 * doc/invoke.texi: Correct hyphenation of "floating point",
4678 "double precision", and related terminology throughout the file.
4680 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4683 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4684 arm_general_register_operand predicate for operand 2 instead of
4687 2012-01-27 Ian Lance Taylor <iant@google.com>
4690 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4691 * builtins.c (expand_builtin_init_trampoline): Add onstack
4692 parameter. Change caller.
4693 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4694 * tree.c (build_common_builtin_nodes): Declare
4695 __builtin_init_heap_trampoline.
4697 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4699 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4700 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4701 * config/avr/avr.c: Ditto.
4702 (avr_regnames): Remove because unused.
4703 * config/avr/avr.md (*cpse.ne): New peephole.
4704 (*cpse.eq): New peephole from former cpse peepholes.
4706 2012-01-27 Michael Eager <eager@eagercon.com>
4708 * config/microblaze.c (microblaze_emit_compare): Correct
4709 test after pcmp instruction.
4711 2012-01-27 Richard Guenther <rguenther@suse.de>
4713 PR tree-optimization/52020
4714 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4716 2012-01-27 Richard Guenther <rguenther@suse.de>
4718 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4719 function non-const/pure.
4721 2012-01-27 Richard Guenther <rguenther@suse.de>
4723 PR tree-optimization/50444
4724 * tree-sra.c (build_ref_for_offset): Properly adjust the
4725 MEM_REF type for unaligned accesses.
4727 2012-01-27 Richard Guenther <rguenther@suse.de>
4729 PR tree-optimization/50444
4730 * expr.c (mem_ref_refers_to_non_mem_p): New function.
4731 (expand_assignment): Use it. Properly handle misaligned
4732 bases when expanding stores to component references.
4733 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4736 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
4739 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4740 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4741 * tree-data-ref.c (find_data_references_in_loop): Make static.
4742 (compute_all_dependences): Change return type to bool. Bail out
4743 for too many datarefs in a loop. Move the hunk resetting the data
4744 dependences vector from ...
4745 (compute_data_dependences_for_loop): ... here. Account for
4746 compute_all_dependences returning false.
4747 (compute_data_dependences_for_bb): Likewise.
4748 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4749 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4751 2012-01-27 Richard Guenther <rguenther@suse.de>
4754 * expr.c (store_field): Use the alias-set of the scratch memory
4757 2012-01-27 Tom de Vries <tom@codesourcery.com>
4759 PR tree-optimization/51990
4760 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4762 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4764 2012-01-27 Jakub Jelinek <jakub@redhat.com>
4767 * var-tracking.c (reverse_op): Don't add any reverse operation
4768 if V already has any constant locations.
4770 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4772 * doc/invoke.texi: Correct usage of "command line" (noun)
4773 vs "command-line" (adjective) throughout.
4775 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
4777 * doc/invoke.texi (Language Independent Options): Move
4778 -Wcoverage-mismatch blurb from here....
4779 (Warning Options): ...to here.
4781 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
4783 * config/rs6000/rs6000.c (rs6000_option_override_internal):
4784 Set rs6000_always_hint to false for 476.
4786 2012-01-27 Matthias Klose <doko@ubuntu.com>
4788 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4790 * incpath.c (add_standard_paths): Likewise.
4792 2012-01-27 Richard Henderson <rth@redhat.com>
4794 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4795 * config/m68k/sync.md (atomic_test_and_set): Rename from
4796 sync_test_and_setqi and adjust the operands.
4797 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4798 and unconditionally enable.
4800 2012-01-27 Richard Henderson <rth@redhat.com>
4802 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4803 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4804 (ldstub): Rename from ldstubqi.
4805 (ldstub<I24MODE>): Remove.
4807 2012-01-27 Richard Henderson <rth@redhat.com>
4809 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4810 * c-cppbuiltin.c (cpp_atomic_builtins): Define
4811 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4812 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4813 * doc/tm.texi: Rebuild.
4815 2012-01-27 Richard Henderson <rth@redhat.com>
4817 * optabs.c (gen_atomic_test_and_set): Remove default.
4818 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4820 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4822 PR rtl-optimization/51978
4823 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4824 (combine_reaching_defs): Likewise.
4825 (struct re_info): Remove.
4826 (add_removable_extension): Remove x and data arguments,
4827 add insn, insn_list and def_map. Use the arguments directly
4828 instead of using struct re_info.
4829 (find_removable_extensions): Don't call add_removable_extension
4830 through note_stores, instead just call it with single_set
4832 (find_and_remove_re): Pass curr_cand->expr instead of
4833 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4835 2012-01-26 Michael Matz <matz@suse.de>
4837 PR tree-optimization/46590
4838 * cfgexpand.c: Revert last change (r183305).
4839 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4841 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4842 checking for emptiness.
4844 2012-01-26 Jakub Jelinek <jakub@redhat.com>
4847 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4848 non-addressable non-BLKmode base correctly.
4850 2012-01-26 Michael Matz <matz@suse.de>
4852 PR tree-optimization/48794
4853 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4854 regions referenced from RESX/EH_DISPATCH.
4856 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4858 * config/s390/s390.h: Make BRANCH_COST an option.
4859 * config/s390/s390.opt: New option -mbranch-cost.
4861 2012-01-26 Richard Henderson <rth@redhat.com>
4863 Revert 2012-01-24 change:
4864 * trans-mem.c (requires_barrier): Do not instrument thread local
4865 variables and emit save/restore for them.
4867 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4870 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4873 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
4875 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4878 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
4881 Rename __pgm to __flash.
4882 Rename __pgm1 to __flash1.
4883 Rename __pgm2 to __flash2.
4884 Rename __pgm3 to __flash3.
4885 Rename __pgm4 to __flash4.
4886 Rename __pgm5 to __flash5.
4887 Rename __pgmx to __memx.
4888 * doc/extend.texi (AVR Named Address Spaces)
4889 Rename address space names as indicated above.
4890 * config/avr/avr.c (avr_addrspace): Ditto.
4892 * config/avr/avr-protos.h
4893 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4894 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4895 * config/avr/predicates.md: Ditto.
4896 * config/avr/avr.c Ditto, and
4897 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4898 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4900 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4901 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4902 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4903 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4904 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4905 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4906 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4907 * config/avr/avr.c: Ditto.
4908 * config/avr/avr.md: Ditto.
4910 2012-01-25 Jason Merrill <jason@redhat.com>
4913 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4915 2012-01-25 Jakub Jelinek <jakub@redhat.com>
4917 PR tree-optimization/51987
4918 * tree-data-ref.c (get_references_in_stmt): Handle references in
4919 non-volatile GIMPLE_ASM.
4921 2012-01-25 Richard Guenther <rguenther@suse.de>
4923 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4924 bases are dereferenced.
4926 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4928 PR rtl-optimization/48374
4929 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4931 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
4933 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4934 compute_data_dependences_for_loop returns false.
4935 * tree-parloops.c (loop_parallel_p): Likewise.
4937 2012-01-25 Richard Guenther <rguenther@suse.de>
4939 * tree.h (get_pointer_alignment_1): Declare.
4940 * builtins.c (get_pointer_alignment_1): New function.
4941 (get_pointer_alignment): Use it.
4943 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4945 PR rtl-optimization/48308
4946 * combine.c (enum undo_kind): Add UNDO_LINKS.
4947 (struct undo): Add member l to other_contents and where.
4948 (do_SUBST_LINK): New.
4950 (try_combine): Handle LOG_LINKS for the dummy i1 case.
4951 (undo_all): Handle UNDO_LINKS.
4953 2012-01-25 Richard Henderson <rth@redhat.com>
4955 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4958 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4960 * optabs.c (gen_atomic_test_and_set): Use each argument.
4962 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4964 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4965 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4966 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4967 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4968 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4969 TARGET_PAIRED_SINGLE_FLOAT.
4971 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4973 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4974 (in_struct, return_val): Remove MEM documentation.
4975 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4976 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4977 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4979 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4980 * cfgexpand.c (add_alias_set_conflicts): Likewise.
4981 * expr.c (store_field): Likewise.
4982 * function.c (assign_stack_temp_for_type): Likewise.
4983 * ifcvt.c (noce_try_cmove_arith): Likewise.
4984 * reload1.c (reload): Likewise.
4985 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4986 (alpha_set_memflags): Likewise.
4987 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4989 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
4991 * rtl.h (true_dependence, canon_true_dependence): Remove varies
4993 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4994 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4995 (true_dependence_1, true_dependence, canon_true_dependence): Remove
4997 * cselib.c (cselib_rtx_varies_p): Delete.
4998 (cselib_invalidate_mem): Update call to canon_true_dependence.
4999 * dse.c (record_store, check_mem_read_rtx): Likewise.
5000 (scan_reads_nospill): Likewise.
5001 * cse.c (check_dependence): Likewise.
5002 (cse_rtx_varies_p): Delete.
5003 * expr.c (safe_from_p): Update call to true_dependence.
5004 * ira.c (validate_equiv_mem_from_store): Likewise.
5005 (memref_referenced_p): Likewise.
5006 * postreload-gcse.c (find_mem_conflicts): Likewise.
5007 * sched-deps.c (sched_analyze_2): Likewise.
5008 * store-motion.c (load_kills_store): Likewise.
5009 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5010 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5011 (compute_transp): Update call to canon_true_dependence.
5013 2012-01-25 Richard Henderson <rth@redhat.com>
5015 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5016 (maybe_emit_atomic_test_and_set): New.
5017 (expand_sync_lock_test_and_set): Use it.
5018 (expand_atomic_test_and_set): Likewise.
5019 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5020 the implementation; clarify implementation defined details.
5021 * doc/md.texi (atomic_test_and_set): Document.
5023 2012-01-25 Richard Henderson <rth@redhat.com>
5025 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5027 2012-01-25 Richard Henderson <rth@redhat.com>
5030 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5031 to effect no-op split.
5033 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5036 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5037 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5038 (BT_FN_VOID_PTR_INT_SIZE): New.
5039 (BT_FN_UINT_UINT_VAR): Remove.
5040 (BT_FN_UINT32_UINT32_VAR): New.
5041 (BT_FN_DOUBLE_VPTR): Remove.
5042 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5044 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5045 (_ITM_changeTransactionMode): Same.
5046 (_ITM_memmoveRtWt): Change return type to void.
5047 (_ITM_memcpyRtWt): Same.
5048 (_ITM_memsetW): Same.
5049 (_ITM_RaRD): Change types to double.
5054 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5056 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5057 Patrick Marlier <patrick.marlier@gmail.com>
5059 * trans-mem.c (requires_barrier): Do not instrument thread local
5060 variables and emit save/restore for them.
5062 2012-01-24 Jason Merrill <jason@redhat.com>
5065 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5066 output static aliases.
5068 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5071 * common.opt (-pie, -shared, pie, shared): Change from Common to
5073 * gcc.c (display_help): Display help for -pie and -shared.
5075 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5078 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5079 Remove note on size/offset limitation.
5080 (AVR Variable Attributes): Add example how to read data located
5081 with progmem. Refer to named address spaces.
5082 * doc/invoke.texi (AVR Options): Fix typo.
5084 2012-01-24 Richard Guenther <rguenther@suse.de>
5086 Forward-port to trunk
5087 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5090 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5091 op0 isn't sufficiently aligned and there is movmisalignM
5092 insn for mode, use it to load op0 into a temporary register.
5094 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5097 * target.def (const_not_ok_for_debug_p): New hook.
5098 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5100 * doc/tm.texi: Regenerated.
5101 * dwarf2out.c (const_ok_for_output_1): If
5102 targetm.const_not_ok_for_debug_p returns true, fail.
5103 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5105 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5107 2012-01-23 Kai Tietz <ktietz@redhat.com>
5110 * config/i386/predicates.md (symbolic_operand): Allow
5111 UNSPEC_PCREL as PIC expression for lea.
5112 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5113 * config/i386/i386.c (ix86_delegitimize_address): Handle
5114 UNSPEC_PCREL for none-MEM, too.
5116 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5118 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5119 (ipa_tm_create_version_alias): Same.
5121 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5124 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5125 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5127 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5128 Patrick Marlier <patrick.marlier@gmail.com>
5129 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5132 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5133 simple_object_start_read.
5135 2012-01-23 Richard Guenther <rguenther@suse.de>
5138 PR tree-optimization/51895
5139 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5140 parameter decomposition into BLKmode components.
5142 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5144 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5145 fake variables for restrict-qualified pointers whose pointed-to type
5146 contains a placeholder.
5148 2012-01-23 Richard Guenther <rguenther@suse.de>
5150 PR tree-optimization/51949
5151 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5153 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5155 PR rtl-optimization/51933
5156 * ree.c (transform_ifelse): Return true right away if dstreg is
5157 already wider or equal to cand->mode.
5158 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5159 (make_defs_and_copies_lists): Remove defs_list and copies_list
5160 arguments, add state argument, just truncate state->work_list
5161 instead of always allocating and freeing the vector. Assert that
5162 get_defs succeeds instead of returning 2. Changed return type to bool.
5163 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5164 have ext_src_mode, see if it has been modified already with the
5165 right kind of extension and has been extended before from the
5166 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5167 just return true. Remember the original mode in state->modified array.
5168 (combine_reaching_defs): Add state argument. Don't allocate and
5169 free here def_list, copied_list and vec vectors, instead just
5170 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5171 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5172 Add state variable, clear vectors in it, initialize state.modified
5173 if needed. Free all the vectors at the end and state.modified too.
5174 Don't skip a candidate if the extension expression has been modified.
5176 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5179 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5180 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5181 (extra_options) interix.opt -> i386/interix.opt"
5182 (extra_objs):Add winnt-stubs.o
5183 * configure.ac: Add interix to target_os .comm on PE check.
5184 * configure: Regenerate.
5185 * config/interix3.h: Delete and move bits to..
5186 * config/interix.h: Delete and move bits to..
5187 * config/i386/i386-interix3.h: Delete and move bits to..
5188 * config/i386/i386-interix.h: ..here.
5189 (TARGET_CPU_DEFAULT): Remove redefinition.
5190 (TARGET_ASM_CONSTRUCTOR): Undefine.
5191 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5192 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5193 (PTRDIFF_TYPE): Define.
5194 (LONG_DOUBLE_TYPE_SIZE): Define.
5195 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5196 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5197 (TARGET_SECTION_TYPE_FLAGS): Define.
5198 (ASM_DECLARE_FUNCTION_NAME): Define.
5199 (ASM_OUTPUT_EXTERNAL): Define.
5200 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5201 (ASM_OUTPUT_ALIGNED_BSS): Define.
5202 (PCC_BITFIELD_TYPE_MATTERS): Define.
5203 (USE_CONST_SECTION): Define.
5204 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5205 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5206 (SUPPORTS_ONE_ONLY): Remove.
5207 (I386_PE_STRIP_ENCODING): Define.
5208 * config/interix.opt: Delete and move bits to..
5209 * config/i386/interix.opt: ..here. New.
5210 (mpe-aligned-commons): Add.
5211 * config/i386/t-interix: Add copyright header.
5212 (winnt-stubs.o): Add rule.
5214 2012-01-22 Jason Merrill <jason@redhat.com>
5217 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5218 for extra name aliases.
5220 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5222 PR rtl-optimization/51924
5223 * ree.c (combine_set_extension): Improve debugging message.
5224 (combine_reaching_defs): Likewise.
5225 (get_defs): Rename confusingly named variable.
5226 (find_and_remove_re): Skip a candidate if the extension expression has
5229 2012-01-21 Robert Millan <rmh@gnu.org>
5230 Gerald Pfeifer <gerald@pfeifer.com>
5232 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5233 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5235 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5237 PR tree-optimization/51914
5238 * tree-vect-stmts.c (vectorizable_conversion): For
5239 cvt_type && modifier == WIDEN, put temporary with cvt_type
5240 at the beginning of vec_dsts and set vec_dest to temporary
5243 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5245 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5247 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5249 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5250 * config/rs6000/rs6000.c: Likewise.
5252 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5255 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5256 output_move_double on a copy of operands array.
5258 2012-01-20 Cary Coutant <ccoutant@google.com>
5259 Dodji Seketeli <dodji@redhat.com>
5262 * dwarf2out.c (copy_declaration_context): Return ref to parent
5263 of declaration DIE, if necessary.
5264 (remove_child_or_replace_with_skeleton): Add new parameter; update
5265 caller. Place skeleton DIE under parent DIE of original declaration.
5266 Move call to copy_declaration_context to here ...
5267 (break_out_comdat_types): ... from here.
5269 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5271 PR rtl-optimization/51856
5272 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5275 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5278 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5279 hints for neon loads and stores.
5281 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5285 * doc/extend.texi (Named Address Spaces): Split into subsections.
5286 (AVR Named Address Spaces): New subsection.
5287 (M32C Named Address Spaces): New subsection.
5288 (RL78 Named Address Spaces): New subsection.
5289 (SPU Named Address Spaces): New subsection.
5290 (Variable Attributes): New anchor "AVR Variable Attributes".
5291 (AVR Variable Attributes): Rewrite and avoid wording
5292 "address space" in this context.
5293 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5294 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5295 (AVR Built-in Macros): New subsubsection therein.
5296 * doc/md.texi (AVR constraints): Remove "C04", "R".
5298 2012-01-20 Richard Guenther <rguenther@suse.de>
5300 PR tree-optimization/51903
5301 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5302 when removing stmts.
5304 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5307 * config/arm/arm.c (arm_load_pic_register): Use
5308 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5309 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5310 (arm_pic_static_addr): Likewise.
5311 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5312 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5313 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5314 (pic_load_addr_unified): New.
5316 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5319 * function.c (instantiate_virtual_regs_in_insn): Use
5320 delete_insn_and_edges when removing a wrong asm insn.
5322 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5324 PR rtl-optimization/40761
5325 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5326 Add new member loop_num.
5327 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5328 (ira_build): Remove the parameter.
5330 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5331 (ira.c): Do not build CFG loops for one region allocation. Remove
5332 argument from ira_build call.
5334 * ira-build.c (init_loop_tree_node): New function.
5335 (create_loop_tree_nodes): Use it. Separate the case when CFG
5336 loops are not built.
5337 (more_one_region_p): Check current_loops.
5338 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5340 (add_loop_to_tree): Process loop equal to NULL too.
5341 (form_loop_tree): Separate the case when CFG loops are not built.
5342 Use explicitly number for the root.
5343 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5345 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5346 instead of loop->num.
5347 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5348 (mark_all_loops_for_removal): Ditto.
5349 (remove_unnecessary_regions): Separate the case when CFG loops
5351 (ira_build): Remove the parameter. Use explicit number of regions
5352 when CFG loops are not built.
5354 * ira-color.c (print_loop_title): Separate the case for the root node.
5355 Use loop_num instead of loop->num.
5356 (move_spill_restore): Use loop_num instead of loop->num.
5358 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5359 (change_loop): Ditto.
5360 (change_loop): Use loop_num instead of loop->num.
5362 * ira-lives.c (process_bb_node_lives): Ditto.
5364 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5366 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5368 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5371 * tree-mudflap.c (mf_artificial): New function.
5372 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5373 mx_register_decls, mudflap_enqueue_decl): Use it.
5376 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5377 numbers in the insn pattern.
5379 2012-01-19 Michael Matz <matz@suse.de>
5381 PR tree-optimization/46590
5382 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5383 use it in remembering which conflicts we already created.
5384 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5387 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5390 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5391 (merge_and_complain): Same.
5393 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5396 * config/initfini-array.h: Guard content of the header
5397 with #ifdef HAVE_INITFINI_ARRAY.
5398 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5399 Add initfini-array.h to tm_file here.
5400 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5401 * config.gcc: Don't add initfini-array.h to tm_file here.
5402 * configure: Regenerated.
5404 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5406 PR rtl-optimization/51505
5407 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5408 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5409 (df_note_bb_compute): Update the call to df_kill_notes.
5411 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5413 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5415 2012-01-18 Richard Guenther <rguenther@suse.de>
5417 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5418 of conversions to void *.
5420 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5421 Richard Sandiford <rdsandiford@googlemail.com>
5425 * optabs.h (simplify_expand_binop): Declare.
5426 * optabs.c (simplify_expand_binop): Make global.
5427 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5428 endian targets if the source cannot be exactly covered by word
5431 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5434 * hard-reg-set.h (struct hard_reg_set_container): New type.
5435 * target.h (struct hard_reg_set_container): Forward declare.
5436 * target.def (set_up_by_prologue): New target hook.
5437 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5438 * doc/tm.texi: Regenerated.
5439 * function.c (thread_prologue_and_epilogue_insns): Change
5440 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5441 Call targetm.set_up_by_prologue on it.
5442 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5443 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5445 2012-01-17 Nick Clifton <nickc@redhat.com>
5447 * config/rx/rx.c (rx_can_use_simple_return): New function.
5448 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5449 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5451 2012-01-17 Richard Guenther <rguenther@suse.de>
5454 * expr.c (expand_assignment): Take address-space information
5455 from the address operand of MEM_REF and TARGET_MEM_REF.
5456 (expand_expr_real_1): Likewise.
5458 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5460 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5461 reload dump is requested.
5463 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5466 * trans-mem.c (requires_barrier): Call may_be_aliased.
5468 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5470 PR tree-optimization/51877
5471 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5472 call arguments and fndecls compare equal, instead return false if they
5473 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5474 both SSA_NAMEs that are valueized the same, or they satisfy
5477 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5479 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5481 * configure: Regenerate.
5483 2012-01-16 Jan Hubicka <jh@suse.cz>
5487 * convert.c (convert_to_integer): Use fold_convert for
5488 converting an INTEGER_CST to integer type.
5490 2012-01-16 Jason Merrill <jason@redhat.com>
5493 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5495 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5498 * config/s390/s390.c (s390_chunkify_start): Don't skip
5499 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5500 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5501 If insn is followed by NOTE_INSN_VAR_LOCATION or
5502 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5503 Don't use location of note insns.
5505 PR tree-optimization/51865
5506 * tree-inline.c (tree_function_versioning): Call remap_decl
5507 on DECL_RESULT whenever it has VOID_TYPE_P type.
5509 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5511 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5512 for calls to locally-binding MIPS16 functions if only the return
5513 type uses float regs.
5515 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5516 Richard Sandiford <rdsandiford@googlemail.com>
5518 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5519 (SYMBOL_32_HIGH): Likewise.
5520 (mips_output_tls_reloc_directive): Declare.
5521 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5522 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5523 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5524 (mips_lo_relocs, mips_hi_relocs): Make extern.
5525 (mips16_stub_function): Move up file.
5526 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5527 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5528 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5529 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5530 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5531 (mips_get_tp): Add MIPS16 support.
5532 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5533 Generalize DTPREL and TPREL handling.
5534 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5535 Add MIPS16 TLS support.
5536 (mips_output_tls_reloc_directive): New function.
5537 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5538 * config/mips/predicates.md (symbolic_operand_with_high)
5539 (tls_reloc_operand): New predicates.
5540 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5541 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5542 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5543 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5544 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5545 (*tls_get_tp_mips16_call_<mode>): Likewise.
5547 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5549 PR rtl-optimization/51821
5550 * recog.c (peep2_find_free_register): Determine clobbered registers
5553 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5556 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5557 * config/avr/avr.c: Likewise.
5558 * config/avr/avr.h: Likewise.
5560 2012-01-13 Ian Lance Taylor <iant@google.com>
5563 * tree.h (TYPE_QUALS): Add cast to int.
5564 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5566 2012-01-13 Ian Lance Taylor <iant@google.com>
5568 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5569 comparing param_index to VEC_length result.
5571 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5573 * c-decl.c: Do not include tree-mudflap.h
5574 * tree-optimize.c: Likewise.
5575 * Makefile.in: Update dependencies.
5577 2012-01-13 Richard Guenther <rguenther@suse.de>
5580 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5581 variable-sized result always use RSO.
5583 2012-01-12 DJ Delorie <dj@redhat.com>
5585 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5586 pointer type, not just the default pointer type.
5588 2012-01-09 Richard Henderson <rth@redhat.com>
5589 Denis Chertykov <chertykov@gmail.com>
5592 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5593 * config/avr/avr.c (avr_can_eliminate): Simplify.
5594 (avr_initial_elimination_offset): Likewise.
5595 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5596 (expand_epilogue): Likewise.
5597 (avr_legitimize_address): Gut.
5598 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5599 (avr_hard_regno_nregs): New.
5600 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5601 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5602 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5603 add soft frame pointer.
5604 (CALL_USED_REGISTERS): Likewise.
5605 (REG_CLASS_CONTENTS): Likewise.
5606 (REGISTER_NAMES): Likewise.
5607 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5608 (HARD_FRAME_POINTER_REGNUM): New.
5609 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5610 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5611 remove the HARD_FRAME_POINTER self-elimination.
5613 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5616 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5617 DECL_EXTERNAL when checking for initializers of progmem variables.
5619 2012-01-12 Ira Rosen <irar@il.ibm.com>
5621 PR tree-optimization/51799
5622 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5623 that the last operation is a type demotion.
5625 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5627 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5628 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5630 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5633 * combine.c (distribute_notes): If i3 is a noreturn call,
5634 allow old_size to be equal to args_size and make sure the
5635 noreturn call gets REG_ARGS_SIZE note.
5636 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5637 on noreturn calls even when the delta is 0.
5639 2012-01-11 Nathan Sidwell <nathan@acm.org>
5641 * gcov.c (STRING_SIZE): Remove.
5642 (generate_results): Erase annotations for source files with no
5643 coverage information.
5645 (output_lines): Use it.
5647 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5649 * gimple.h (gimplify_body): Remove first argument.
5650 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5651 pointer set here, instead just pass DATA to walk_tree.
5652 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5653 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5654 (unvisit_body): Likewise, but with unmark_visited.
5655 (gimplify_body): Remove BODY_P argument and adjust.
5656 (gimplify_function_tree): Adjust call to gimplify_body.
5657 * omp-low.c (finalize_task_copyfn): Likewise.
5659 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5661 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5662 (build_function_type_skip_args): Delete.
5663 * tree.c (build_function_type_skip_args): Make static and add
5664 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5665 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5666 pass it to build_function_type_skip_args.
5667 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5668 (tree_function_versioning): Likewise.
5669 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5670 build_function_decl_skip_args.
5671 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5672 and pass it to build_function_decl_skip_args/tree_function_versioning.
5673 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5674 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5675 * trans-mem.c (ipa_tm_create_version): Likewise.
5676 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5677 * tree-inline.c (declare_return_variable): Remove always-true test.
5678 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5679 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5680 * ipa-split.c (split_function): Skip the return value for the split
5681 part if it doesn't return.
5683 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5685 PR tree-optimization/49642
5686 * ipa-split.c (forbidden_dominators): New variable.
5687 (check_forbidden_calls): New function.
5688 (dominated_by_forbidden): Likewise.
5689 (consider_split): Check for forbidden dominators.
5690 (execute_split_functions): Initialize and free forbidden
5691 dominators info; call check_forbidden_calls.
5693 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5695 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5697 2012-01-11 Nick Clifton <nickc@redhat.com>
5699 * config/rx/rx.md (return): Define pattern.
5701 2012-01-11 Richard Guenther <rguenther@suse.de>
5703 * doc/extend.texi (malloc attribute): Adjust according to
5706 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5707 Patrick Marlier <patrick.marlier@gmail.com>
5710 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5711 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5712 (ipa_tm_note_irrevocable): Same.
5713 (ipa_tm_scan_irr_block): Same.
5714 (ipa_tm_decrement_clone_counts): Same.
5715 (ipa_tm_scan_irr_function): Same.
5716 (ipa_tm_create_version_alias): Same.
5717 (ipa_tm_create_version): Same.
5718 (ipa_tm_transform_calls_redirect): Same.
5719 (ipa_tm_transform_calls): Same.
5720 (ipa_tm_transform_transaction): Same.
5721 (ipa_tm_execute): Same.
5723 2012-01-10 Richard Guenther <rguenther@suse.de>
5726 * opts.c (common_handle_option): Handle -Werror.
5728 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5730 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5733 2012-01-10 Jason Merrill <jason@redhat.com>
5735 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5738 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5740 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5741 supports R_386_TLS_GD_PLT reloc.
5742 (gcc_cv_as_ix86_tlsldmplt): Check if linker
5743 supports R_386_TLS_LDM_PLT reloc.
5744 * configure: Regenerate.
5745 * config.in: Regenerate.
5747 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
5750 Extend __pgmx semantics to linearize memory.
5751 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5752 determine if code comes inline or from libgcc.
5753 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5754 (movmem_qi, movmem_qi): Set constraint #2 to "n".
5755 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5756 (movmemx_qi, movmemx_hi): New insns.
5757 (xload_<mode>_libgcc): Rewrite to new insn condition.
5758 (xload_<mode>): Remove insns.
5759 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5760 cases that don't satisfy avr_xload_libgcc_p().
5761 (avr_addr_space_convert): Allow converting in any direction.
5762 (avr_addr_space_subset_p): Return always true.
5763 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5764 (avr_emit_movmemhi): Ditto.
5765 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5766 (avr_out_movmem): Ditto.
5767 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5768 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5769 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5770 (avr_encode_section_info): Encode 'progmem' in symbol flags.
5771 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5773 2012-01-10 Richard Guenther <rguenther@suse.de>
5775 PR tree-optimization/50913
5776 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5777 Require data-refs to be representable by Graphite with respect
5780 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
5782 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5783 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5785 2012-01-10 Tom de Vries <tom@codesourcery.com>
5787 PR rtl-optimization/51271
5788 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5789 handling annulled branch.
5791 2012-01-10 Richard Henderson <rth@redhat.com>
5793 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5794 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5795 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5796 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5797 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5798 arm_expand_vec_perm_const): New.
5799 * config/arm/arm-protos.h: Update.
5800 * config/arm/neon.md (UNSPEC_VCONCAT): New.
5801 (*neon_vswp<VDQX>): New.
5802 (neon_vcombine<VDX>): Use neon_split_vcombine.
5803 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5804 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5805 (vec_perm<VE>): New.
5807 2012-01-10 Richard Henderson <rth@redhat.com>
5809 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5810 use it if reload_completed.
5811 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5812 arm_output_asm_insn, arm_process_output_memory_barrier,
5813 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5814 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5815 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5816 arm_process_output_sync_insn, arm_output_sync_insn,
5817 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5818 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5819 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5820 (emit_unlikely_jump): New.
5821 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5822 (arm_split_atomic_op): New.
5823 * config/arm/arm-protos.h: Update.
5824 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5825 (struct arm_sync_generator): Remove.
5826 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5827 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5828 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5829 (VUNSPEC_LL, VUNSPEC_SC): New.
5830 (sync_result, sync_memory, sync_required_value, sync_new_value,
5831 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5832 (attr length): Don't use arm_sync_loop_insns.
5833 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5834 (movsfcc, movdfcc): Likewise.
5835 * config/arm/constraints.md (Ua): New.
5836 * config/arm/prediates.md (mem_noofs_operand): New.
5837 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5838 (sync_clobber, sync_t2_reqd): Remove.
5839 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5840 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5841 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5842 (arm_sync_compare_and_swap<SIDI>): Remove.
5843 (arm_sync_compare_and_swap<NARROW>): Remove.
5844 (arm_sync_lock_test_and_set<SIDI>): Remove.
5845 (arm_sync_lock_test_and_set<NARROW>): Remove.
5846 (arm_sync_new_<syncop><SIDI>): Remove.
5847 (arm_sync_new_<syncop><NARROW>): Remove.
5848 (arm_sync_new_nand<SIDI>): Remove.
5849 (arm_sync_new_nand<NARROW>): Remove.
5850 (arm_sync_old_<syncop><SIDI>): Remove.
5851 (arm_sync_old_<syncop><NARROW>): Remove.
5852 (arm_sync_old_nand<SIDI>): Remove.
5853 (arm_sync_old_nand<NARROW>): Remove.
5854 (*memory_barrier): Merge arm_output_memory_barrier.
5855 (atomic_compare_and_swap<QHSD>): New.
5856 (atomic_compare_and_swap<NARROW>_1): New.
5857 (atomic_compare_and_swap<SIDI>_1): New.
5858 (atomic_exchange<QHSD>): New.
5859 (cas_cmp_operand, cas_cmp_str): New.
5860 (atomic_op_operand, atomic_op_str): New.
5861 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5862 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5863 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5864 (arm_load_exclusive<NARROW>): New.
5865 (arm_load_exclusivesi, arm_load_exclusivedi): New.
5866 (arm_store_exclusive<QHSD>): New.
5868 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5870 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5871 reload patterns if -mvsx-scalar-memory.
5873 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5874 generated, even -mno-vsx-scalar-double was used.
5875 (vsx_xscvdpsp_scalar): Likewise.
5876 (vsx_xscvspdp_scalar2): Likewise.
5878 2012-01-09 Tom de Vries <tom@codesourcery.com>
5879 Andrew Pinski <apinski@cavium.com>
5882 * reorg.c (fill_slots_from_thread): Don't speculate
5883 frame-related insns.
5885 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
5887 * sched-int.h (bb_note): Move to...
5888 * basic-block.h: ...here.
5889 * haifa-sched.c (bb_note): Move to...
5890 * cfgrtl.c: ...here.
5891 * function.c (next_block_for_reg): New function.
5892 (move_insn_for_shrink_wrap): Likewise.
5893 (prepare_shrink_wrap): Rewrite to use the above.
5895 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
5897 * gimple.c (is_gimple_non_addressable): Remove.
5898 * gimple.h: Remove is_gimple_non_addressable.
5899 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5900 is_gimple_non_addressable.
5901 * trans-mem.c (expand_assign_tm): Same.
5903 2012-01-09 Richard Guenther <rguenther@suse.de>
5905 PR tree-optimization/51775
5906 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5907 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5909 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5911 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5913 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5915 2012-01-09 Richard Guenther <rguenther@suse.de>
5917 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5919 2012-01-08 Jan Hubicka <jh@suse.cz>
5921 PR tree-optimize/51680
5922 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5923 on when known_vals needs to be computed; cleanup.
5925 2012-01-08 Jan Hubicka <jh@suse.cz>
5927 PR tree-optimize/51694
5928 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5930 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
5932 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5933 for -std=c++98 and -std=c++11 too.
5935 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
5937 * cfgloop.c (cancel_loop): Add free() of bbs array.
5939 2012-01-07 Jan Hubicka <jh@suse.cz>
5941 PR tree-optimization/51600
5942 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5943 that benefits small functions.
5945 2012-01-07 Jan Hubicka <jh@suse.cz>
5947 * ipa-inline.c (want_inline_small_function_p): Fix formating.
5949 2012-01-07 Jan Hubicka <jh@suse.cz>
5951 PR tree-optimization/51680
5952 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5953 whose inlining reduce unit size.
5955 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
5958 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5959 Add canonical node to containing_mem chain after the non-canonical
5960 one, even if there weren't any locs to propagate.
5961 (remove_useless_values): Keep only canonical values.
5962 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5963 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
5964 canonicalize mem_chain elements that are not discarded.
5966 2012-01-06 Jakub Jelinek <jakub@redhat.com>
5969 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5970 before emitting functions.
5972 PR gcov-profile/50127
5973 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5974 clear_aux_for_blocks.
5976 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
5979 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5981 2012-01-06 Arnaud Charlet <charlet@adacore.com>
5983 * c-decl.c (ext_block): Moved up.
5984 (collect_all_refs, for_each_global_decl): Take ext_block into account.
5986 2012-01-06 Han Shen <shenhan@google.com>
5988 Translate built-in include paths for sysroot.
5989 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5990 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5992 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5993 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5995 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5996 control whether sysroot should be prepended to gxx include dir.
5998 * configure: Regenerate.
6000 2012-01-06 Torvald Riegel <triegel@redhat.com>
6002 PR rtl-optimization/51771
6003 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6004 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6006 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6008 PR tree-optimization/51315
6009 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6010 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6012 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6015 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6016 for shrp pattern. Correctly handle and fixup shift variable.
6017 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6019 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6022 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6023 note when !ACCUMULATE_OUTGOING_ARGS.
6025 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6027 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6029 (extract_range_from_unary_expr_1): Avoid useless computations.
6031 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6033 PR rtl-optimization/51767
6034 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6035 of jump_block and add an extra edge for degenerated asm gotos.
6038 * stmt.c (check_unique_operand_names): Don't ICE during error
6039 reporting if i is from labels chain.
6042 * profile.c (branch_prob): Split bbs that have exit edge
6043 and need a fake entry edge too.
6045 2012-01-05 Jan Hubicka <jh@suse.cz>
6048 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6051 2012-01-05 Richard Guenther <rguenther@suse.de>
6054 * tree-streamer-out.c (write_ts_optimization): New function.
6055 (streamer_write_tree_body): Call it.
6056 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6057 (streamer_read_tree_body): Call it.
6058 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6060 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6063 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6064 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6065 in_cleanup_point_expr before gimplify_stmt call and restore it
6067 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6068 in_cleanup_point_expr is false.
6070 2012-01-05 Richard Guenther <rguenther@suse.de>
6073 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6075 * toplev.c (process_options): Reject combining mudflap and LTO.
6076 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6078 2012-01-05 Richard Guenther <rguenther@suse.de>
6080 PR tree-optimization/51760
6081 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6083 (bit_value_unop): Handle UNDEFINED operands.
6084 (bit_value_binop): Likewise.
6086 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6088 * config/avr/avr.c (avr_replace_prefix): Remove.
6089 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6090 (avr_asm_function_rodata_section): Ditto.
6091 (avr_asm_select_section): Ditto.
6093 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6095 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6098 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6101 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6102 calls that have any non-fake successor edges.
6105 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6107 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6109 PR tree-optimization/51624
6110 * tree-sra.c (build_ref_for_model): When replicating a chain of
6111 COMPONENT_REFs, stop as soon as the offset would become negative.
6113 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6116 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6117 in .debug_loc on the floor.
6119 2012-01-04 Andrew Pinski <apinski@cavium.com>
6121 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6123 2012-01-04 Andrew Pinski <apinski@cavium.com>
6124 Adam Nemet <anemet@caviumnetworks.com>
6126 * config/mips/mips.md (size): Add SI and DI.
6127 (SIZE): New mode attribute.
6128 (U): New code attribute.
6129 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6130 (mips_lbux_<mode>): Delete.
6131 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6132 (mips_lhx): Use gen_mips_lhx_extsi.
6133 (mips_lhx_<mode>): Delete.
6135 (mips_l<size>x): New expand.
6136 (mips_lwx_<mode>): Delete.
6137 (mips_l<GPR:size>x_<P:mode>): New pattern.
6138 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6139 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6140 * config/mips/mips.c (mips_lx_address_p): New function.
6141 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6142 (dsp64): New availability predicate.
6143 (mips_builtins): Add an entry for __builtin_mips_ldx.
6144 * config/mips/mips.h (ISA_HAS_LBX): New define.
6145 (ISA_HAS_LBUX): Likewise.
6146 (ISA_HAS_LHX): Likewise.
6147 (ISA_HAS_LHUX): Likewise.
6148 (ISA_HAS_LWX): Likewise.
6149 (ISA_HAS_LWUX): Likewise.
6150 (ISA_HAS_LDX): Likewise.
6151 * doc/extend.texi (__builtin_mips_ldx): Document.
6153 2012-01-04 Tristan Gingold <gingold@adacore.com>
6155 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6156 when long pointers are used.
6157 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6158 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6159 (ia64-hp-*vms*): Remove.
6160 * config/vms/xm-vms64.h: Delete.
6162 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6165 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6167 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6169 * opts.c (finish_options): Remove duplicate sorry.
6171 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6174 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6177 2012-01-04 Richard Guenther <rguenther@suse.de>
6180 * tree.c (size_low_cst): New function.
6181 * tree.h (size_low_cst): Declare.
6182 * fold-const.c (fold_comparison): Use it to extract the low
6183 part of the POINTER_PLUS_EXPR offset.
6185 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6187 Fix clearing ZERO_REG
6188 * config/avr/avr.md (cc): Add alternative "ldi".
6189 (movqi_insn): Use it in cc attribute.
6190 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6191 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6192 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6194 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6196 * configure: Regenerate.
6198 2012-01-04 Richard Guenther <rguenther@suse.de>
6200 PR tree-optimization/49651
6201 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6202 (var_can_have_subvars): Use it.
6203 (get_constraint_for_1): Only consider subfields if there can be any.
6205 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6208 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6209 to its new canonical_cselib_val and the cselib_val was in
6210 first_containing_mem chain, but the canonical_cselib_val was not,
6211 add the latter into the chain.
6212 (cselib_invalidate_mem): Compare canonical_cselib_val of
6213 addr_list chain elt with v.
6216 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6217 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6219 (output_macinfo_op): Don't ggc_strdup fd->filename.
6220 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6221 then ggc_strdup it. Don't free inc->info or cur->info.
6222 (output_macinfo): Don't free ref->info or file->info.
6224 2012-01-03 Ira Rosen <irar@il.ibm.com>
6226 PR tree-optimization/51269
6227 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6228 first_niters a pointer.
6229 (slpeel_tree_peel_loop_to_edge): Likewise.
6230 (vect_do_peeling_for_loop_bound): Update call to
6231 slpeel_tree_peel_loop_to_edge.
6232 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6233 here. Remove it from the parameters list.
6234 (vect_do_peeling_for_alignment): Update calls and compute
6237 2012-01-03 Richard Guenther <rguenther@suse.de>
6239 PR tree-optimization/51070
6240 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6241 Properly handle calls.
6243 2012-01-03 Richard Guenther <rguenther@suse.de>
6245 PR tree-optimization/51692
6246 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6247 the LHS of allocation stmts.
6249 2012-01-03 Olivier Hainque <hainque@adacore.com>
6251 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6253 2012-01-03 Olivier Hainque <hainque@adacore.com>
6255 * collect2.c (main): In AIX specific computations for vector
6256 insertions, use CONST_CAST2 to cast from char ** to const char **.
6258 2012-01-03 Richard Guenther <rguenther@suse.de>
6261 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6262 the context of a limbo DIE when it does not already exist.
6264 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6266 PR tree-optimization/51719
6267 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6268 but direct call is, clear direct call's lhs and don't add fallthrough
6269 edge from dcall_bb to join_bb and PHIs.
6271 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6273 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6274 the instructions emitted by the pattern.
6275 ("*TDC_insn_<mode>"): Add comment.
6277 2012-01-03 Richard Guenther <rguenther@suse.de>
6280 * fold-const.c (fold_comparison): Properly canonicalize
6281 tree offset and HOST_WIDE_INT bit position.
6283 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6285 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6286 operands for extzv pattern.
6288 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6291 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6294 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6296 * doc/invoke.texi (-flto and related options): Copy-edit.
6298 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6300 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6302 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6304 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6307 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6309 * expr.h (move_by_pieces_ninsns): Declare.
6310 * expr.c (move_by_pieces_ninsns): Make external.
6311 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6312 (mips_store_by_pieces_p): Likewise.
6313 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6314 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6315 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6316 (mips_store_by_pieces_p): Likewise.
6318 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6320 * passes.c (register_one_dump_file): Free full_name.
6322 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6323 (calculate_elim_costs_all_insns): Free offsets_at and
6324 offsets_known_at at the end and clear the pointers.
6326 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6328 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6329 this option introduced in r180739.
6331 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6334 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6335 (tmake_file target=avr): Add avr/t-multilib.
6337 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6338 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6339 * config/avr/genmultilib.awk: New file.
6340 * config/avr/t-multilib: New auto-generated file.
6341 * config/avr/multilib.h: New auto-generated file.
6342 * config/avr/t-avr (AVR_MCUS): New variable.
6343 (genopt.sh): Use it.
6344 (s-mlib): Depend on t-multilib.
6345 (t-multilib, multilib.h): New dependencies.
6346 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6347 (MULTILIB_OPTIONS): Remove.
6348 (MULTILIB_MATCHES): Remove.
6349 (MULTILIB_DIRNAMES): Remove.
6350 (MULTILIB_EXCEPTIONS): Remove:
6351 * config/avr/genopt.sh: Don't use hard coded file name;
6352 pass AVR_MCUS from t-avr instead.
6354 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6356 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6358 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6360 Implement light-weight DImode support.
6361 * config/avr/avr-dimode.md: New file.
6362 * config/avr/avr.md: Include it.
6363 (adjust_len): Add plus64, compare64.
6364 (HIDI): Remove code iterator.
6365 (code_stdname): New code attribute.
6366 (rotx, rotsmode): Remove DI.
6367 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6369 * config/avr/avr-protos.h (avr_have_dimode): New.
6370 (avr_out_plus64, avr_out_compare64): New.
6371 * config/avr/avr.c (avr_out_compare): Handle DImode.
6372 (avr_have_dimode): New variable definition and initialization.
6373 (avr_out_compare64, avr_out_plus64): New functions.
6374 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6375 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6376 (avr_compare_pattern): Skip DImode comparisons.
6378 2012-01-02 Revital Eres <revital.eres@linaro.org>
6380 * ddg.c (def_has_ccmode_p): New function.
6381 (add_cross_iteration_register_deps,
6382 create_ddg_dep_from_intra_loop_link): Call it.
6384 2012-01-02 Richard Guenther <rguenther@suse.de>
6387 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6389 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6391 * gcc.c (process_command): Update copyright notice dates.
6392 * gcov.c (print_version): Likewise.
6393 * gcov-dump.c (print_version): Likewise.
6394 * mips-tfile.c (main): Likewise.
6395 * mips-tdump.c (main): Likewise.
6397 2012-01-01 Ira Rosen <irar@il.ibm.com>
6399 PR tree-optimization/51704
6400 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6401 a use is inside the basic block or loop before accessing its vect info.
6403 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6405 PR rtl-optimization/51069
6406 * cfgloopmanip.c (remove_path): Removing path making irreducible
6407 region unconditional makes BB part of the region.
6409 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6411 PR tree-optimization/51683
6412 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6413 calls with side-effects.
6414 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6416 Copyright (C) 2012 Free Software Foundation, Inc.
6418 Copying and distribution of this file, with or without modification,
6419 are permitted in any medium without royalty provided the copyright
6420 notice and this notice are preserved.