1 2014-01-25 Walter Lee <walt@tilera.com>
4 2014-01-25 Walter Lee <walt@tilera.com>
6 * config/tilegx/tilegx-c.c (tilegx_cpu_cpp_builtins):
7 Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2}.
8 * config/tilegx/tilepro-c.c (tilepro_cpu_cpp_builtins):
9 Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2,4,8}.
11 2014-01-25 Walter Lee <walt@tilera.com>
13 Backport from mainline
14 2014-01-25 Walter Lee <walt@tilera.com>
16 * config/tilegx/tilegx.c (tilegx_gen_bundles): Delete barrier
17 insns before bundling.
18 * config/tilegx/tilegx.md (tile_network_barrier): Update
21 2014-01-25 Walter Lee <walt@tilera.com>
23 Backport from mainline
24 2014-01-25 Walter Lee <walt@tilera.com>
26 * config/tilegx/tilegx.c (tilegx_expand_builtin): Set
27 PREFETCH_SCHEDULE_BARRIER_P to true for prefetches.
28 * config/tilepro/tilepro.c (tilepro_expand_builtin): Ditto.
30 2014-01-25 Walter Lee <walt@tilera.com>
32 Backport from mainline
33 2014-01-25 Walter Lee <walt@tilera.com>
35 * config/tilepro/tilepro.md (ctzdi2): Use register_operand
40 2014-01-25 Walter Lee <walt@tilera.com>
42 Backport from mainline
43 2014-01-25 Walter Lee <walt@tilera.com>
45 * config/tilegx/tilegx.c (tilegx_expand_to_rtl_hook): New.
46 (TARGET_EXPAND_TO_RTL_HOOK): Define.
48 2014-01-22 Uros Bizjak <ubizjak@gmail.com>
49 Jakub Jelinek <jakub@redhat.com>
52 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false
53 for SImode_address_operand operands. Return false
54 if operands[1] is a REG.
56 2014-01-21 Andrey Belevantsev <abel@ispras.ru>
58 Backport from mainline
59 2013-12-23 Andrey Belevantsev <abel@ispras.ru>
61 PR rtl-optimization/57422
62 * sel-sched.c (mark_unavailable_hard_regs): Fix typo when calling
65 2014-01-19 John David Anglin <danglin@gcc.gnu.org>
67 * config/pa/pa.c (pa_attr_length_millicode_call): Correct length of
68 long non-pic millicode calls.
70 2014-01-17 John David Anglin <danglin@gcc.gnu.org>
72 * config/pa/pa.c (pa_attr_length_indirect_call): Don't output a short
73 call to $$dyncall when TARGET_LONG_CALLS is true.
75 2014-01-17 Charles Baylis <charles.baylis@linaro.org>
77 Backport from mainline
78 2013-12-19 Charles Baylis <charles.baylis@linaro.org>
81 * config/arm/arm-ldmstm.ml: Use low_register_operand for Thumb
83 * config/arm/ldmstm.md: Regenerate.
85 2013-12-19 Charles Baylis <charles.baylis@linaro.org>
88 * config/arm/predicates.md (arm_hard_general_register_operand):
90 (arm_hard_register_operand): Remove.
91 * config/arm/arm-ldmstm.ml: Use arm_hard_general_register_operand
93 * config/arm/ldmstm.md: Regenerate.
95 2014-01-16 Jakub Jelinek <jakub@redhat.com>
98 * config/i386/i386.c (ix86_expand_builtin): If target doesn't
99 satisfy operand 0 predicate for gathers, use a new pseudo as
102 2014-01-16 Richard Henderson <rth@redhat.com>
105 * reginfo.c (global_regs_decl): Globalize.
106 * rtl.h (global_regs_decl): Declare.
107 * ira.c (do_reload): Diagnose frame_pointer_needed and it
108 reserved via global_regs.
110 2014-01-16 Marek Polacek <polacek@redhat.com>
112 Backport from mainline
113 2014-01-16 Marek Polacek <polacek@redhat.com>
116 * gimple-low.c (gimple_check_call_args): Don't use DECL_ARG_TYPE if
117 it is error_mark_node.
119 2014-01-14 Uros Bizjak <ubizjak@gmail.com>
122 2014-01-08 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/i386.c (ix86_data_alignment): Calculate max_align
125 from prefetch_block tune setting.
127 2014-01-10 Richard Earnshaw <rearnsha@arm.com>
129 PR rtl-optimization/54300
130 * regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
131 outputs in a single-set are killed from the value chains.
133 2014-01-10 Huacai Chen <chenhc@lemote.com>
135 * config/mips/driver-native.c (host_detect_local_cpu): Handle new
136 kernel strings for Loongson-2E/2F/3A.
138 2014-01-08 Uros Bizjak <ubizjak@gmail.com>
140 Backport from mainline
141 2014-01-05 Uros Bizjak <ubizjak@gmail.com>
143 * config/i386/i386.c (ix86_data_alignment): Calculate max_align
144 from prefetch_block tune setting.
145 (nocona_cost): Correct size of prefetch block to 64.
147 2013-12-28 Eric Botcazou <ebotcazou@adacore.com>
149 * doc/invoke.texi (output file options): Add missing markers.
151 2013-12-11 Kai Tietz <ktietz@redhat.com>
154 * config/i386/i386.c (ix86_expand_prologue): plus_constant
155 takes no mode-argument.
157 2013-12-10 Kai Tietz <ktietz@redhat.com>
160 * config/i386/i386.c (ix86_expand_prologue): Address saved
161 registers stack-relative, not via frame-pointer.
163 2013-12-03 Marek Polacek <polacek@redhat.com>
165 Backport from mainline
166 2013-12-03 Marek Polacek <polacek@redhat.com>
169 * c-decl.c (build_compound_literal): Allow compound literals with
172 2013-12-01 Eric Botcazou <ebotcazou@adacore.com>
174 * config/i386/winnt.c (i386_pe_asm_named_section): Be prepared for an
177 2013-11-28 Uros Bizjak <ubizjak@gmail.com>
179 Backport from mainline
180 2013-11-23 Uros Bizjak <ubizjak@gmail.com>
183 * config/i386/i386.c (bdesc_multi_arg) <IX86_BUILTIN_VFRCZSS>:
184 Declare as MULTI_ARG_1_SF instruction.
185 <IX86_BUILTIN_VFRCZSD>: Decleare as MULTI_ARG_1_DF instruction.
186 * config/i386/sse.md (*xop_vmfrcz<mode>2): Rename
187 from *xop_vmfrcz_<mode>.
188 * config/i386/xopintrin.h (_mm_frcz_ss): Use __builtin_ia32_movss
189 to merge scalar result with __A.
190 (_mm_frcz_sd): Use __builtin_ia32_movsd to merge scalar
193 2013-11-19 Uros Bizjak <ubizjak@gmail.com>
195 Backport from mainline
196 2013-11-18 Uros Bizjak <ubizjak@gmail.com>
198 * config/i386/i386.c (ix86_decompose_address): Use REG_P instead of
199 ix86_address_subreg_operand. Move subreg checks to
200 ix86_validate_address_register. Move address override check to
201 ix86_legitimate_address_p.
202 (ix86_validate_address_register): New function.
203 (ix86_legitimate_address_p): Call ix86_validate_address_register
204 to validate base and index registers. Add address override check
205 from ix86_decompose_address.
206 (ix86_decompose_address): Remove.
208 Backport from mainline
209 2013-11-17 Uros Bizjak <ubizjak@gmail.com>
212 * config/i386/i386.c (ix86_address_subreg_operand): Do not
213 reject non-integer subregs.
214 (ix86_decompose_address): Do not reject invalid CONST_INT RTXes.
215 Move check for invalid x32 constant addresses ...
216 (ix86_legitimate_address_p): ... here.
218 Bacport from mainline
219 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
222 addresses only when %reg is not in word mode.
224 2013-11-10 Karlson2k <k2k@narod.ru>
225 Kai Tietz <ktietz@redhat.com>
229 * configure.ac: Adding for exported symbols check
230 and for rdynamic-check executable-extension.
231 * configure: Regenerated.
233 2013-11-07 H.J. Lu <hongjiu.lu@intel.com>
236 * config/i386/i386.md (push peepholer/splitter): Use Pmode
237 with stack_pointer_rtx.
239 2013-11-05 Uros Bizjak <ubizjak@gmail.com>
241 * config/i386/t-rtems (MULTILIB_MATCHES): Fix option typos.
243 2013-10-26 Uros Bizjak <ubizjak@gmail.com>
245 Backport from mainline
246 2013-10-22 Uros Bizjak <ubizjak@gmail.com>
249 * config/i386/i386.c (put_condition_code) <case GTU, case LEU>:
250 Remove CCCmode handling.
251 <case LTU>: Return 'c' suffix for CCCmode.
252 <case GEU>: Return 'nc' suffix for CCCmode.
253 (ix86_cc_mode) <case GTU, case LEU>: Do not generate overflow checks.
254 * config/i386/i386.md (*sub<mode>3_cconly_overflow): Remove.
255 (*sub<mode>3_cc_overflow): Ditto.
256 (*subsi3_zext_cc_overflow): Ditto.
258 2013-10-26 Uros Bizjak <ubizjak@gmail.com>
260 Backport from mainline
261 2013-10-19 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/i386.c (ix86_function_value_regno): Add DX_REG,
265 ST1_REG and XMM1_REG for 32bit and 64bit targets. Also add DI_REG
266 and SI_REG for 64bit SYSV ABI targets.
268 2013-10-25 Richard Henderson <rth@twiddle.net>
271 * optabs.c (maybe_emit_atomic_exchange): Use create_input_operand
272 instead of create_convert_operand_to.
273 (maybe_emit_sync_lock_test_and_set): Likewise.
274 (expand_atomic_compare_and_swap): Likewise.
275 (maybe_emit_compare_and_swap_exchange_loop): Don't convert_modes.
277 2013-10-25 Eric Botcazou <ebotcazou@adacore.com>
279 PR rtl-optimization/58831
280 * alias.c (init_alias_analysis): At the beginning of each iteration,
281 set the reg_seen[N] flag if static_reg_base_value[N] is non-null.
283 2013-10-25 Eric Botcazou <ebotcazou@adacore.com>
285 * recog.c (search_ofs): New static variable moved from...
286 (peep2_find_free_register): ...here.
287 (peephole2_optimize): Initialize it.
289 2013-10-02 John David Anglin <danglin@gcc.gnu.org>
291 * config.gcc (hppa*64*-*-linux*): Don't add pa/t-linux to tmake_file.
293 2013-09-23 Eric Botcazou <ebotcazou@adacore.com>
295 * tree-ssa-ccp.c (insert_clobber_before_stack_restore): Recurse on copy
296 assignment statements.
298 2013-09-20 John David Anglin <danglin@gcc.gnu.org>
300 * config/pa/pa.md: In "scc" insn patterns, change output template to
301 handle const0_rtx in reg_or_0_operand operands.
303 2013-09-18 Daniel Morris <danielm@ecoscentric.com>
304 Paolo Carlini <paolo.carlini@oracle.com>
307 * doc/implement-cxx.texi: Fix references to the C++ standards.
309 2013-09-14 John David Anglin <danglin@gcc.gnu.org>
312 * config/pa/pa.c (pa_expand_prologue): Change mode in gen_rtx_POST_INC
315 2013-09-12 Terry Guo <terry.guo@arm.com>
317 Backport from mainline
318 2012-09-17 Richard Guenther <rguenther@suse.de>
321 * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
322 FIXED_VALUE_TYPE instead of struct fixed_value.
324 2013-09-10 Richard Earnshaw <rearnsha@arm.com>
327 * arm/vfp.md (combine_vcvt_f32_<FCVTI32typename>): Fix pattern to
328 support conditional execution.
329 (combine_vcvt_f64_<FCVTI32typename>): Likewise.
331 2013-09-01 Uros Bizjak <ubizjak@gmail.com>
333 Backport from mainline
334 2013-08-31 Uros Bizjak <ubizjak@gmail.com>
336 * config/alpha/alpha.c (alpha_emit_conditional_move): Update
337 "cmp" RTX before signed_comparison_operator check to account
340 2013-09-01 John David Anglin <danglin@gcc.gnu.org>
342 * config/pa/pa.md: Allow "const 0" operand 1 in "scc" insns.
344 2013-09-01 Iain Sandoe <iain@codesourcery.com>
347 2012-06-19 Steven Bosscher <steven@gcc.gnu.org>
349 * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
350 TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
351 (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
353 * doc/tm.texi: Regenerate.
354 * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
356 * config/darwin-c.c: Include target.h.
357 (darwin_objc_declare_unresolved_class_reference): New function.
358 (darwin_objc_declare_class_definition): New function.
359 (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
360 (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
362 2013-09-01 Iain Sandoe <iain@codesourcery.com>
364 Backport from mainline:
365 2013-07-22 Uros Bizjak <ubizjak@gmail.com>
367 * config/i386/i386.md (nonlocal_goto_receiver): Delete insn if
368 it is not needed after split.
370 2013-07-20 Iain Sandoe <iain@codesourcery.com>
373 * config/i386/i386.c (output_set_got) [TARGET_MACHO]: Adjust to emit a
374 second label for nonlocal goto receivers. Don't output pic base labels
375 unless we're producing PIC; mark that action unreachable().
376 (ix86_save_reg): If the function contains a nonlocal label, save the
378 * config/darwin-protos.h (machopic_should_output_picbase_label): New.
379 * gcc/config/darwin.c (emitted_pic_label_num): New GTY.
380 (update_pic_label_number_if_needed): New.
381 (machopic_output_function_base_name): Adjust for nonlocal receiver
383 (machopic_should_output_picbase_label): New.
384 * config/i386/i386.md (enum unspecv): UNSPECV_NLGR: New.
385 (nonlocal_goto_receiver): New insn and split.
387 2013-08-28 Uros Bizjak <ubizjak@gmail.com>
389 Backport from mainline
390 2013-08-27 Christian Widmer <shadow@umbrox.de>
393 * config/i386/driver-i386.c (host_detect_local_cpu): Add detection
394 of Ivy Bridge processors.
396 2013-08-21 Richard Earnshaw <rearnsha@arm.com>
399 * arm.c (aapcs_vfp_allocate): Decompose the argument if the
400 suggested mode for the assignment isn't compatible with the
403 2013-08-17 Uros Bizjak <ubizjak@gmail.com>
405 Backport from mainline
406 2013-08-12 Perez Read <netfirewall@gmail.com>
409 * config/i386/i386.md (*movabs<mode>_1): Add <ptrsize> PTR before
410 operand 0 for intel asm alternative.
411 (*movabs<mode>_2): Ditto for operand 1.
413 2013-08-13 Marek Polacek <polacek@redhat.com>
416 2013-0813 Marek Polacek <polacek@redhat.com>
417 Jakub Jelinek <jakub@redhat.com>
419 PR tree-optimization/57980
420 * tree-tailcall.c (process_assignment): Return false
421 when not dealing with integers or floats.
423 2013-08-12 David Edelsohn <dje.gcc@gmail.com>
425 Backport from mainline
426 2013-02-14 Steven Bosscher <steven@gcc.gnu.org>
428 * collect2-aix.h: Define F_LOADONLY.
430 2013-08-02 Eric Botcazou <ebotcazou@adacore.com>
432 * config/sparc/sparc.c (sparc_emit_membar_for_model) <SMM_TSO>: Add
433 the implied StoreLoad barrier for atomic operations if before.
435 2013-07-11 Georg-Johann Lay <avr@gjlay.de>
437 Backport from 2013-07-11 trunk r200901.
440 * config/avr/avr.c (avr_set_current_function): Sanity-check signal
441 name seen by assembler/linker if available.
443 2013-07-10 Georg-Johann Lay <avr@gjlay.de>
445 Backport from 2013-07-10 trunk r200872.
448 * config/avr/avr.c (avr_prologue_setup_frame): Trunk -size to mode
451 2013-07-10 Uros Bizjak <ubizjak@gmail.com>
453 Backport from mainline
454 2013-07-06 Uros Bizjak <ubizjak@gmail.com>
456 * config/i386/sse.md (sse_movlhps): Change alternative 3
459 2013-07-09 Joseph Myers <joseph@codesourcery.com>
461 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Only
462 adjust register size for TDmode and TFmode for VSX registers.
464 2013-07-08 Eric Botcazou <ebotcazou@adacore.com>
466 * Makefile.in (tree-ssa-reassoc.o): Add dependency on $(PARAMS_H).
468 2013-07-08 Jakub Jelinek <jakub@redhat.com>
470 PR rtl-optimization/57829
471 * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Ensure that
472 mask bits outside of mode are just sign-extension from mode to HWI.
474 2013-07-05 Uros Bizjak <ubizjak@gmail.com>
476 Backport from mainline
477 2013-06-20 Uros Bizjak <ubizjak@gmail.com>
480 * config/i386/i386.c (construct_container): Report error if
481 long double is used with disabled x87 float returns.
483 2013-06-21 David Edelsohn <dje.gcc@gmail.com>
485 Backport from mainline
486 2013-06-19 David Edelsohn <dje.gcc@gmail.com>
489 * collect2.c (collect_atexit): New.
490 (collect_exit): Delete.
491 (main): Register collect_atexit with atexit.
492 (collect_wait): Change collect_exit to exit.
494 * collect2.h (collect_exit): Delete.
495 * tlink.c (do_tlink): Rename exit to ret. Change collect_exit to exit.
497 2013-06-07 Uros Bizjak <ubizjak@gmail.com>
499 Backport from mainline
500 2013-06-10 Uros Bizjak <ubizjak@gmail.com>
502 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use
503 cmp_code to construct REG_EQUAL note.
505 Backport from mainline
506 2013-06-05 Uros Bizjak <ubizjak@gmail.com>
508 * config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
509 GE, GT, GEU and GTU compares, modulo DImode compares with zero.
511 Backport from mainline
512 2013-05-23 Uros Bizjak <ubizjak@gmail.com>
515 * config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE.
516 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct
517 REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec.
519 2013-06-09 Jakub Jelinek <jakub@redhat.com>
522 * config/i386/i386.md (TARGET_READ_MODIFY_WRITE peepholes): Ensure
523 that operands[2] doesn't overlap with operands[0].
525 2013-05-22 Uros Bizjak <ubizjak@gmail.com>
528 * config/i386/i386.md (*movti_internal_rex64): Emit movaps/movups
529 for non-sse2 targets. Simplify mode attribute calculation.
531 2013-05-17 Uros Bizjak <ubizjak@gmail.com>
533 Backport from mainline
534 2013-05-16 Uros Bizjak <ubizjak@gmail.com>
536 * config/i386/driver-i386.c (host_detect_local_cpu): Determine
537 cache parameters using detect_caches_amd also for CYRIX,
538 NSC and TM2 signatures.
540 2013-05-16 Uros Bizjak <ubizjak@gmail.com>
541 Dzianis Kahanovich <mahatma@eu.by>
545 * config/i386/driver-i386.c (host_detect_local_cpu): Detect
546 VIA/Centaur processors and determine their cache parameters
547 using detect_caches_amd.
549 2013-05-15 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/i386.c (ix86_option_override_internal): Add
552 PTA_POPCNT to corei7 entry.
554 2013-05-14 Richard Biener <rguenther@suse.de>
556 PR gcov-profile/57269
557 Backport from mainline
558 2012-06-30 Nathan Sidwell <nathan@acm.org>
560 * coverage.c (coverage_init): Read counts file before writing
563 2013-05-13 Uros Bizjak <ubizjak@gmail.com>
566 Backport from mainline
567 2013-01-22 Jakub Jelinek <jakub@redhat.com>
570 * config/i386/i386.md (UNSPEC_STOS): New.
571 (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
572 *strsetqi_1): Add UNSPEC_STOS.
574 2013-05-10 Joey Ye <joey.ye@arm.com>
576 Backport from mainline
577 2012-11-29 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
580 * config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
582 (thumb1_extendhisi2): Reduce Thumb pool range.
583 (arm_movdi): Likewise.
584 (thumb1_movdi_insn): Likewise.
585 (thumb1_movsi_insn): Likewise.
586 (pic_load_addr_unified): Likewise.
587 (pic_load_addr_32bit): Likewise.
588 (pic_load_addr_thumb1): Likewise.
589 (thumb1_movhf): Likewise.
590 (arm_movsf_soft_insn): Likewise.
591 (thumb1_movsf_soft_insn): Likewise.
592 (movdf_soft_insn): Likewise.
593 (thumb1_movdf_soft_insn): Likewise.
594 * config/arm/neon.md (*neon_mov<mode>): Likewise.
595 (*neon_mov<mode>): Likwise.
596 * config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
597 (*thumb2_movhi_insn): Likewise.
598 (*thumb2_extendqisi_v6): Likewise.
599 (*thumb2_zero_extendqisi_v6): Likewise.
600 (*thumb2_zero_extendqisi2_v6): Likewise.
601 * config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
602 (*movdi_vfp): Likewise.
603 (*movdi_vfp_cortexa8): Likewise.
604 (*thumb2_movsf_vfp): Likewise.
605 (*thumb2_movdf_vfp): Likewise.
607 2013-05-10 Sebastian Huber <sebastian.huber@embedded-brains.de>
609 * config/arm/t-rtems-eabi: Remove mthumb/march=armv7 multilib.
610 Add mthumb/march=armv7-a multilib.
611 Add mthumb/march=armv7-r multilib.
612 Add mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard multilib.
614 2013-05-10 Ralf Corsépius <ralf.corsepius@rtems.org>
617 * config/v850/t-rtems: Add more multilibs.
619 2013-05-07 Michael Meissner <meissner@linux.vnet.ibm.com>
622 2013-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
625 * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Use DFmode
626 to save TFmode registers and DImode to save TImode registers for
627 caller save operations.
628 (HARD_REGNO_CALL_PART_CLOBBERED): TFmode and TDmode do not need to
629 mark being partially clobbered since they only use the first
632 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): TFmode
633 and TDmode only use the upper 64-bits of each VSX register.
635 2013-05-03 Marek Polacek <polacek@redhat.com>
637 Backport from mainline
638 2013-04-25 Marek Polacek <polacek@redhat.com>
640 PR tree-optimization/57066
641 * builtins.c (fold_builtin_logb): Return +Inf for -Inf.
643 2013-04-30 Uros Bizjak <ubizjak@gmail.com>
645 Backport from mainline
646 2013-04-29 Uros Bizjak <ubizjak@gmail.com>
649 * config/i386/i386.md (*zero_extendsidi2_rex64): Add "!" to m->?*y
651 (*zero_extendsidi2): Ditto.
653 Backport from mainline
654 2013-04-29 Uros Bizjak <ubizjak@gmail.com>
657 * config/i386/i386.c (ix86_expand_vec_perm): Validize constant memory.
659 2013-04-29 Christian Bruel <christian.bruel@st.com>
662 * sh.md (tstsi_t_zero_extract_eq): Set mode for operand 0.
664 2013-04-27 Jakub Jelinek <jakub@redhat.com>
667 * config/i386/sse.md (xop_rotr<mode>3): Fix up computation of
668 the immediate rotate count.
670 2013-04-21 Eric Botcazou <ebotcazou@adacore.com>
672 * cfgexpand.c (avoid_complex_debug_insns): Fix C++ism.
674 2013-04-19 Matthias Klose <doko@ubuntu.com>
678 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
680 Backport from mainline
681 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
682 Alexander Monakov <amonakov@ispras.ru>
685 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
686 flush pending lists also on non-jumps. Adjust comment.
689 2012-08-27 Maxim Kuvyrkov <maxim@codesourcery.com>
691 * sched-deps.c (add_dependence_list_and_free): Simplify.
692 (flush_pending_list_and_free): Fix a hack that was fixing a hack. Free
693 lists when add_dependence_list_and_free doesn't free them.
695 2013-04-19 Marek Polacek <polacek@redhat.com>
697 Backport from mainline
698 2013-01-08 Steven Bosscher <steven@gcc.gnu.org>
699 Jakub Jelinek <jakub@redhat.com>
701 PR tree-optimization/48189
702 * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
703 If nitercst is 0, don't predict the exit edge.
705 2013-04-16 Jack Howarth <howarth@bromo.med.uc.edu>
707 Backport from mainline
708 2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
709 * config/darwin.h (STARTFILE_SPEC): Use -no_new_main with -lgcrt1.o
711 (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10 and < 12.
714 2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
716 * doc/tm.texi: Update.
717 * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
718 * target.def (force_at_comp_dir): New hook.
719 * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
720 * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
722 2013-04-15 Eric Botcazou <ebotcazou@adacore.com>
725 * config/sparc/sparc.c (enum sparc_mode_class): Add H_MODE value.
726 (S_MODES): Set H_MODE bit.
727 (SF_MODES): Set only S_MODE and SF_MODE bits.
728 (DF_MODES): Set SF_MODES and only D_MODE and DF_MODE bits.
729 (sparc_init_modes) <MODE_INT>: Set H_MODE bit for sub-word modes.
730 <MODE_VECTOR_INT>: Do not set SF_MODE for sub-word modes.
731 <MODE_FLOAT>: Likewise.
733 2013-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
735 Backport from mainline:
736 2013-04-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
739 * config/pa/pa.c (legitimize_pic_address): Before incrementing label
740 nuses, make sure we have a label.
742 2013-04-11 Richard Biener <rguenther@suse.de>
744 * BASE-VER: Set to 4.7.4.
745 * DEV-PHASE: Set to prerelease.
747 2013-04-11 Release Manager
749 * GCC 4.7.3 released.
751 2013-04-10 David S. Miller <davem@davemloft.net>
753 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc
756 2013-04-05 Eric Botcazou <ebotcazou@adacore.com>
760 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
762 Backport from mainline
763 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
764 Alexander Monakov <amonakov@ispras.ru>
767 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
768 flush pending lists also on non-jumps. Adjust comment.
770 2013-04-03 Richard Biener <rguenther@suse.de>
772 PR tree-optimization/56501
773 * tree-switch-conversion.c (check_process_case): Properly
774 handle !single_succ_p case.
776 2013-04-03 Jakub Jelinek <jakub@redhat.com>
778 Backported from mainline
779 2013-03-06 Jakub Jelinek <jakub@redhat.com>
781 PR tree-optimization/56539
782 * tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT
783 instead of GSI_CONTINUE_LINKING as last argument to
784 force_gimple_operand_gsi. Adjust function comment.
786 2013-03-05 Jakub Jelinek <jakub@redhat.com>
789 * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
790 (avoid_complex_debug_insns): New function.
791 (expand_debug_locations): Call it.
793 2013-04-02 Wei Mi <wmi@google.com>
795 * config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for
796 ashl<mode>3_mask, *<shift_insn><mode>3_mask and
797 *<rotate_insn><mode>3_mask in i386.md.
799 2013-04-02 Richard Biener <rguenther@suse.de>
802 Backport from mainline
803 2012-05-16 Richard Guenther <rguenther@suse.de>
805 * tree-inline.c (declare_return_variable): Properly handle
806 DECL_BY_REFERENCE return vars in SSA form.
808 2013-04-01 Wei Mi <wmi@google.com>
810 * config/i386/i386.md (*ashl<mode>3_mask): Rewrite as define_insn.
811 Truncate operand 2 using %b asm operand modifier.
812 (*<shift_insn><mode>3_mask): Ditto.
813 (*<rotate_insn><mode>3_mask): Ditto.
815 2013-04-01 Uros Bizjak <ubizjak@gmail.com>
817 * config/i386/i386.md (*movsf_internal): Change type of
818 alternatives 3,4 to imov.
820 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
822 Backport from mainline
823 2013-02-27 Andrey Belevantsev <abel@ispras.ru>
826 * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
827 when the may_trap_p bit of the exprs being merged differs.
828 Reorder tests for speculativeness in the logical and operator.
830 Backport from mainline
831 2013-03-05 Jakub Jelinek <jakub@redhat.com>
834 * sel-sched-ir.c (free_sched_pools): Release
835 succs_info_pool.stack[succs_info_pool.max_top] vectors too
836 if succs_info_pool.max_top isn't -1.
838 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
840 Backport from mainline
841 2012-02-19 Andrey Belevantsev <abel@ispras.ru>
844 * sel-sched.c: Include ira.h.
845 (implicit_clobber_conflict_p): New function.
846 (moveup_expr): Use it.
847 * Makefile.in (sel-sched.o): Depend on ira.h.
849 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
851 Backport from mainline
852 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
853 Alexander Monakov <amonakov@ispras.ru>
856 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
857 flush pending lists also on non-jumps. Adjust comment.
859 2013-03-30 Gerald Pfeifer <gerald@pfeifer.com>
861 * doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.
862 * doc/extend.texi (Named Address Spaces): Ditto.
863 (Variable Attributes): Ditto.
865 2013-03-28 Eric Botcazou <ebotcazou@adacore.com>
867 * toplev.c (process_options): Do not disable -fomit-frame-pointer on a
868 general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
871 2013-03-27 Walter Lee <walt@tilera.com>
873 Backport from mainline:
874 2013-03-27 Walter Lee <walt@tilera.com>
876 * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
877 double-decrement of next_scratch_regno.
879 2013-03-27 Walter Lee <walt@tilera.com>
881 Backport from mainline:
882 2013-03-27 Walter Lee <walt@tilera.com>
884 * config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on
886 (insn_v1mulus): Ditto.
887 (insn_v2muls): Ditto.
889 2013-03-27 Walter Lee <walt@tilera.com>
891 Backport from mainline:
892 2013-03-27 Walter Lee <walt@tilera.com>
894 * config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete
896 (ASM_OUTPUT_ADDR_DIFF_ELT): Ditto.
898 2013-03-27 Walter Lee <walt@tilera.com>
900 Backport from mainline:
901 2013-03-27 Walter Lee <walt@tilera.com>
903 * config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute
905 (*sibcall_value): Ditto.
907 2013-03-27 Walter Lee <walt@tilera.com>
909 Backport from mainline:
910 2013-03-27 Walter Lee <walt@tilera.com>
912 * config/tilegx/tilegx.md (insn_mnz_<mode>): Replaced by ...
913 (insn_mnz_v8qi): ... this ...
914 (insn_mnz_v4hi): ... and this. Replace (const_int 0) with the
916 (insn_v<n>mnz): Replaced by ...
917 (insn_v1mnz): ... this ...
918 (insn_v2mnz): ... and this. Replace (const_int 0) with the vector
920 (insn_mz_<mode>): Replaced by ...
921 (insn_mz_v8qi): ... this ...
922 (insn_mz_v4hi): ... and this. Replace (const_int 0) with the
924 (insn_v<n>mz): Replaced by ...
925 (insn_v1mz): ... this ...
926 (insn_v2mz): ... and this. Replace (const_int 0) with the vector
929 2013-03-26 Eric Botcazou <ebotcazou@adacore.com>
931 * doc/invoke.texi (SPARC options): Remove -mlittle-endian.
933 2013-03-26 Richard Biener <rguenther@suse.de>
935 Backport from mainline:
936 2013-03-13 Richard Biener <rguenther@suse.de>
938 PR tree-optimization/56608
939 * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
940 calls when vectorizing basic-blocks.
942 2013-03-05 Richard Biener <rguenther@suse.de>
944 PR tree-optimization/56270
945 * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
946 of loads after scheduling an SLP instance.
948 2013-03-26 Walter Lee <walt@tilera.com>
950 Backport from mainline:
951 2013-03-26 Walter Lee <walt@tilera.com>
953 * config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define.
954 * config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define.
956 2013-03-26 Walter Lee <walt@tilera.com>
958 Backport from mainline:
959 2013-03-25 Walter Lee <walt@tilera.com>
961 * config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add
962 TILEGX_INSN_SHUFFLEBYTES1.
963 * config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for
965 (tilegx_builtins): Ditto.
966 * config/tilegx/tilegx.md (insn_shufflebytes1): New pattern.
968 2013-03-26 Walter Lee <walt@tilera.com>
970 Backport from mainline:
971 2013-03-25 Walter Lee <walt@tilera.com>
973 * config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline
974 tests for constraint J, K, N, P.
976 2013-03-26 Walter Lee <walt@tilera.com>
978 Backport from mainline:
979 2013-03-25 Walter Lee <walt@tilera.com>
981 * config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format):
982 Use indirect/pcrel encoding.
983 * config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format):
986 2013-03-25 Oleg Endo <olegendo@gcc.gnu.org>
988 Backport from mainline:
989 2013-03-13 Oleg Endo <olegendo@gcc.gnu.org>
990 2013-03-14 Kaz Kojima <kkojima@gcc.gnu.org>
993 * config/sh/sh.opt (FPU_SINGLE_ONLY): New mask.
994 (musermode): Convert to Var(TARGET_USERMODE).
995 * config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY,
996 MASK_ARCH): Add MASK_FPU_SINGLE_ONLY.
997 * config/sh/sh.c (sh_option_override): Use
998 TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case.
999 * config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4
1001 (udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of
1003 (udivsi3_i4_single, divsi3_i4_single): Use
1004 TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4.
1005 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE.
1006 (SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default.
1007 * config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE.
1008 (SUBTARGET_OVERRIDE_OPTIONS): New.
1010 2013-03-25 Oleg Endo <olegendo@gcc.gnu.org>
1012 Backport from mainline:
1013 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
1015 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
1016 to m2a-single instead of m2e.
1018 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
1021 * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET
1024 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
1027 * config/i386/i386.c (init_cumulative_args): Also set
1028 cum->callee_return_avx256_p.
1029 (ix86_function_arg): Set cum->callee_pass_avx256_p. Set
1030 cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode.
1032 * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and
1033 callee_return_avx256_p.
1035 2013-03-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1037 Backport from mainline:
1038 2012-12-04 Ian Lance Taylor <iant@google.com>
1040 * godump.c (find_dummy_types): Output a dummy type if we couldn't
1041 output the real type.
1043 2013-03-20 Jack Howarth <howarth@bromo.med.uc.edu>
1046 * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx.
1047 (PLUS_EXPR): Likewise.
1048 * doc/cppopts.texi (--help): Likewise.
1049 * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise.
1050 (-fdump-rtl-cprop_hardreg): Likewise.
1051 (-fdump-rtl-csa): Likewise.
1052 (-fdump-rtl-dce): Likewise.
1053 (-fdump-rtl-dbr): Likewise.
1054 (-fdump-rtl-into_cfglayout): Likewise.
1055 (-fdump-rtl-outof_cfglayout): Likewise.
1057 2013-03-18 Richard Earnshaw <rearnsha@arm.com>
1060 * config/arm/arm.c (shift_op): Validate RTL pattern on the fly.
1061 (arm_print_operand, case 'S'): Don't use shift_operator to validate
1064 2013-03-14 Seth LaForge <sethml@google.com>
1067 Backport from mainline
1068 2012-10-22 Julian Brown <julian@codesourcery.com>
1070 * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
1071 VFP D registers in big-endian mode.
1073 2013-03-08 Joey Ye <joey.ye@arm.com>
1075 Backport from mainline
1076 2013-03-06 Joey Ye <joey.ye@arm.com>
1079 * gcc.c (convert_white_space): New function.
1080 (main): Handles white space in function name.
1082 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
1084 Backport from mainline
1085 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
1088 * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
1089 instead of TARGET_SH2 for call-table case. Do not set sh_div_strategy
1090 to SH_DIV_CALL_TABLE for TARGET_SH2.
1091 * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
1093 * doc/invoke.texi (SH options): Use table for mdiv= option. Document
1094 mdiv= call-div1, call-fp, call-table options.
1096 2013-03-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
1098 * config.gcc (arm*-*-rtemself*): New.
1099 (arm*-*-rtems*): Removed.
1100 (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
1101 "arm*-*-rtemseabi*" to "arm*-*-rtems*".
1103 2013-03-01 Richard Biener <rguenther@suse.de>
1105 Backport from mainline
1106 2012-12-12 Zdenek Dvorak <ook@ucw.cz>
1108 PR tree-optimization/55481
1109 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
1110 back to general rewriting if we cannot leave an original biv
1113 2013-03-01 Richard Biener <rguenther@suse.de>
1115 Backport from mainline
1116 2012-04-10 Richard Guenther <rguenther@suse.de>
1119 * gimple-low.c (gimple_check_call_args): Properly account for
1120 compatible aggregate types.
1122 2013-02-26 Nick Clifton <nickc@redhat.com>
1125 Import this patch from the mainline:
1127 2012-08-17 Nick Clifton <nickc@redhat.com>
1129 * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
1130 (branch_true): Likewise.
1131 (branch_false): Likewise.
1133 2013-02-26 Jakub Jelinek <jakub@redhat.com>
1135 PR tree-optimization/56443
1136 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
1137 overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
1138 to type_for_mode langhook.
1140 2013-02-21 Jakub Jelinek <jakub@redhat.com>
1143 * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
1146 2013-02-19 Jakub Jelinek <jakub@redhat.com>
1148 Backported from mainline
1149 2013-02-19 Jakub Jelinek <jakub@redhat.com>
1151 PR tree-optimization/56350
1152 * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
1153 if haven't found reduction or nested cycle operand, rather than
1154 asserting we must find it.
1156 PR tree-optimization/56381
1157 * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
1160 2013-02-08 Jakub Jelinek <jakub@redhat.com>
1162 PR tree-optimization/56250
1163 * fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
1164 if type is unsigned and code isn't MULT_EXPR.
1166 2013-02-06 Jakub Jelinek <jakub@redhat.com>
1169 * omp-low.c (use_pointer_for_field): Return false if
1170 lower_send_shared_vars doesn't generate any copy-out code.
1172 2012-11-27 Jakub Jelinek <jakub@redhat.com>
1174 PR tree-optimization/55110
1175 * tree-vect-loop.c (vectorizable_reduction): Don't assert
1176 that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.
1178 2013-02-18 Richard Biener <rguenther@suse.de>
1181 2013-02-04 Richard Biener <rguenther@suse.de>
1183 Backport from mainline
1184 2012-07-04 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/53844
1187 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
1188 the loop virtual PHI.
1190 2013-02-13 David S. Miller <davem@davemloft.net>
1192 * expmed.c (expand_shift_1): Only strip scalar integer subregs.
1194 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
1196 Backport from mainline
1197 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
1199 PR rtl-optimization/56275
1200 * simplify-rtx.c (avoid_constant_pool_reference): Check that
1201 offset is non-negative and less than cmode size before
1202 calling simplify_subreg.
1204 2013-02-09 Uros Bizjak <ubizjak@gmail.com>
1206 Backport from mainline
1207 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
1209 * config/i386/sse.md (FMAMODEM): New mode iterator.
1210 (fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
1211 mode iterator. Do not use TARGET_SSE_MATH in insn constraint.
1213 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
1215 * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
1216 when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
1217 * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.
1219 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
1221 Backport from mainline
1222 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
1225 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
1226 If there is no implicit builtin declaration, just return NULL.
1228 2013-02-08 David Edelsohn <dje.gcc@gmail.com>
1229 Michael Meissner <meissner@linux.vnet.ibm.com>
1231 Backport from mainline
1232 * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear
1233 MASK_VSX from set_masks if OS_MISSING_ALTIVEC.
1235 2013-02-07 David S. Miller <davem@davemloft.net>
1237 * dwarf2out.c (based_loc_descr): Perform leaf register remapping
1239 * var-tracking.c (vt_add_function_parameter): Test the presence of
1240 HAVE_window_save properly and do not remap argument registers when
1241 we have a leaf function.
1243 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
1245 Backport from mainline
1246 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
1249 * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
1251 * config/i386/i386.c (ix86_print_operand): Ditto.
1253 2013-02-07 Alan Modra <amodra@gmail.com>
1256 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
1257 static chain, set REST_INLINE_FPRS too.
1259 2013-02-06 David Edelsohn <dje.gcc@gmail.com>
1261 Backport from mainline
1262 2013-01-25 Michael Haubenwallner <michael.haubenwallner@salomon.at>
1264 * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
1265 * configure: Regenerate.
1267 2013-02-05 David Edelsohn <dje.gcc@gmail.com>
1269 Backport from mainline
1270 2013-02-03 David Edelsohn <dje.gcc@gmail.com>
1271 Andrew Dixie <andrewd@gentrack.com>
1273 * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
1276 2013-02-05 Richard Biener <rguenther@suse.de>
1278 Backport from mainline
1279 2012-12-10 Richard Biener <rguenther@suse.de>
1281 PR tree-optimization/55107
1282 * tree-ssa-pre.c (struct pre_stats): Remove constified field.
1283 (bitmap_set_replace_value): Add gcc_unreachable.
1284 (do_regular_insertion): Re-write all_same handling. Insert
1285 an assignment instead of a PHI in this case.
1286 (execute_pre): Do not record constified events.
1288 2013-02-05 Richard Biener <rguenther@suse.de>
1290 PR tree-optimization/54767
1291 * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
1292 backedges drop all symbolical range information.
1293 (execute_vrp): Compute backedges.
1295 2013-02-04 Richard Biener <rguenther@suse.de>
1297 Backport from mainline
1298 2012-01-11 Richard Guenther <rguenther@suse.de>
1300 PR tree-optimization/44061
1301 * tree-vrp.c (extract_range_basic): Compute zero as
1302 value-range for __builtin_constant_p of function parameters.
1304 2013-01-08 Jakub Jelinek <jakub@redhat.com>
1307 * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p.
1309 2013-02-04 Richard Biener <rguenther@suse.de>
1311 Backport from mainline
1312 2012-07-04 Richard Guenther <rguenther@suse.de>
1314 PR tree-optimization/53844
1315 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
1316 the loop virtual PHI.
1318 2012-12-13 Richard Biener <rguenther@suse.de>
1321 * tree-streamer.c (record_common_node): Check that we are not
1322 recursively pre-loading nodes we want to skip. Handle
1323 char_type_node appearing as part of va_list_type_node.
1325 2013-02-04 Richard Biener <rguenther@suse.de>
1328 * gimple.h (gimple_call_builtin_class_p): New function.
1329 * gimple.c (validate_call): New function.
1330 (gimple_call_builtin_class_p): Likewise.
1331 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
1332 Use gimple_call_builtin_class_p.
1333 (find_func_clobbers): Likewise.
1334 * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
1335 (strlen_optimize_stmt): Likewise.
1337 2013-02-01 Jakub Jelinek <jakub@redhat.com>
1339 Backported from mainline
1340 2013-01-28 Jakub Jelinek <jakub@redhat.com>
1342 PR tree-optimization/56125
1343 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
1344 pow(x,c) into sqrt(x) * powi(x, n/2) or
1345 1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
1346 optimizing for size.
1347 Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
1348 1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
1351 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1353 PR tree-optimization/56098
1354 * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
1355 for stmts with volatile ops.
1356 (cond_store_replacement): Don't optimize if assign has volatile ops.
1357 (cond_if_else_store_replacement_1): Don't optimize if either
1358 then_assign or else_assign have volatile ops.
1360 2013-01-23 Jakub Jelinek <jakub@redhat.com>
1363 * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
1364 instead of cmpdi_operand for first comparison operand.
1365 Don't assert that comparison operands aren't both constants.
1367 2013-01-21 Jakub Jelinek <jakub@redhat.com>
1369 PR tree-optimization/56051
1370 * fold-const.c (fold_binary_loc): Don't fold
1371 X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
1372 a narrowing conversion, or widening conversion from signed
1375 2013-01-18 Jakub Jelinek <jakub@redhat.com>
1378 * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
1379 the case where writing real complex part of target modifies
1382 2013-01-15 Jakub Jelinek <jakub@redhat.com>
1385 * function.c (thread_prologue_and_epilogue_insns): Always
1386 add crtl->drap_reg to set_up_by_prologue.set, even if
1387 stack_realign_drap is false.
1389 2013-01-10 Jakub Jelinek <jakub@redhat.com>
1391 PR tree-optimization/55921
1392 * tree-complex.c (expand_complex_asm): New function.
1393 (expand_complex_operations_1): Call it for GIMPLE_ASM.
1395 2013-01-03 Jakub Jelinek <jakub@redhat.com>
1397 PR rtl-optimization/55838
1398 * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
1399 iv0.step, iv1.step and step.
1401 2012-11-23 Jakub Jelinek <jakub@redhat.com>
1404 * Makefile.in (gimple-low.o): Depend on langhooks.h.
1405 * gimple-low.c: Include langhooks.c.
1406 (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
1407 by default call lang_hooks.block_may_fallthru.
1408 * langhooks.h (struct lang_hooks): Add block_may_fallthru
1410 * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
1411 (LANG_HOOKS_INITIALIZER): Use it.
1413 2012-11-20 Jakub Jelinek <jakub@redhat.com>
1416 * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
1417 on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
1418 * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
1419 on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
1420 fail if the last real insn doesn't have REG_ARGS_SIZE note.
1422 2012-11-17 Jakub Jelinek <jakub@redhat.com>
1424 PR tree-optimization/55236
1425 * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
1426 and signed ARG0_TYPE, force low and high to be non-NULL.
1428 2012-11-13 Jakub Jelinek <jakub@redhat.com>
1430 PR rtl-optimization/54127
1431 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
1432 asm goto labels from BB_HEAD (e->dest) to target bb, decrement
1433 LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
1434 BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
1435 REG_LABEL_TARGET and REG_LABEL_OPERAND.
1437 2013-02-01 Eric Botcazou <ebotcazou@adacore.com>
1439 * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
1440 range isn't testing for zero.
1442 2013-01-29 Richard Biener <rguenther@suse.de>
1444 PR tree-optimization/56113
1445 * tree-ssa-structalias.c (equiv_class_lookup): Also return
1447 (label_visit): Free duplicate bitmaps and record the leader instead.
1448 (perform_var_substitution): Adjust.
1450 2013-01-28 Serowk <serowk@yandex.ru>
1453 * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
1454 Fix mode checks to allow for the passing of constants in the
1456 (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
1457 Add entries in the switch statement for builtin iwmmxt vector
1458 shift and rotate builtins.
1460 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
1462 Backport from mainline
1463 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
1466 * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
1467 operand 0 in movabs insn template for -masm=intel asm alternative.
1468 (*movabs<mode>_2): Ditto for operand 1.
1470 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
1472 Backport from mainline
1473 2013-01-22 Uros Bizjak <ubizjak@gmail.com>
1476 * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
1477 alternative to (o,r).
1478 (*movdi_internal_rex64): Remove (!o,n) alternative.
1479 (DImode immediate->memory splitter): Remove.
1480 (DImode immediate->memory peephole2): Remove.
1481 (movtf): Enable for TARGET_64BIT || TARGET_SSE.
1482 (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
1483 alternative to (!o,*r).
1484 (*movtf_internal_sse): New pattern.
1485 (*movxf_internal_rex64): New pattern.
1486 (*movxf_internal): Disable for TARGET_64BIT.
1487 (*movdf_internal_rex64): Remove (!o,F) alternative.
1489 2013-01-23 Uros Bizjak <ubizjak@gmail.com>
1491 * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
1492 involving stack registers slightly.
1494 2013-01-24 Uros Bizjak <ubizjak@gmail.com>
1496 * config/i386/constraints.md (Yf): New constraint.
1497 * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
1498 of f constraint to conditionaly disable x87 register preferences.
1499 (*movdf_internal): Ditto.
1500 (*movsf_internal): Ditto.
1502 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
1504 * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
1505 (*movtf_internal_rex64): Add (!o,C) alternative
1506 (*movxf_internal_rex64): Ditto.
1507 (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
1509 2013-01-25 Georg-Johann Lay <avr@gjlay.de>
1511 * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
1513 2013-01-24 Martin Jambor <mjambor@suse.cz>
1515 Backport from mainline
1516 2013-01-04 Martin Jambor <mjambor@suse.cz>
1518 PR tree-optimization/55755
1519 * tree-sra.c (sra_modify_assign): Do not check that an access has no
1520 children when trying to avoid producing a VIEW_CONVERT_EXPR.
1522 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1524 Backport from mainline
1525 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1527 * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
1529 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1531 PR rtl-optimization/56023
1532 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
1533 dependent on debug instruction.
1535 2013-01-21 Martin Jambor <mjambor@suse.cz>
1537 Backport from mainline
1538 2013-01-17 Martin Jambor <mjambor@suse.cz>
1540 PR tree-optimizations/55264
1541 * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
1542 * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false
1543 for virtual functions.
1544 * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
1545 for virtual methods.
1546 * ipa.c (cgraph_remove_unreachable_nodes): Never return true for
1547 virtual methods before inlining is over.
1549 2013-01-17 Uros Bizjak <ubizjak@gmail.com>
1551 Backport from mainline
1552 2012-01-17 Uros Bizjak <ubizjak@gmail.com>
1555 * config/i386/sync.md (atomic_store<mode>): Generate SWImode
1556 store through atomic_store<mode>_1.
1557 (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
1559 2013-01-16 Richard Biener <rguenther@suse.de>
1562 * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
1563 account for bitpos when computing alignment.
1565 2013-01-14 Georg-Johann Lay <avr@gjlay.de>
1567 Backport from 2013-01-14 trunk r195169.
1570 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
1571 etc. to 1 and not to __flash.
1572 Use LL suffix for __INT24_MAX__ with -mint8.
1573 Use ULL suffix for __UINT24_MAX__ with -mint8.
1575 2013-01-14 Matthias Klose <doko@ubuntu.com>
1577 * doc/invoke.texi: Document -print-multiarch.
1578 * doc/install.texi: Document --enable-multiarch.
1579 * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
1580 * configure.ac: Add --enable-multiarch option.
1581 Substitute with_cpu, with_float.
1582 * configure: Regenerate.
1583 * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
1584 enable_multiarch, with_cpu, with_float: New macros.
1585 if_multiarch: New macro, define in terms of enable_multiarch.
1586 * genmultilib: Add new argument for the multiarch name.
1587 * gcc.c (multiarch_dir): Define.
1588 (for_each_path): Search for multiarch suffixes.
1589 (driver_handle_option): Handle multiarch option.
1590 (do_spec_1): Pass -imultiarch if defined.
1591 (main): Print multiarch.
1592 (set_multilib_dir): Separate multilib and multiarch names
1593 from multilib_select.
1594 (print_multilib_info): Ignore multiarch names in multilib_select.
1595 * incpath.c (add_standard_paths): Search the multiarch include dirs.
1596 * cppdefault.h (default_include): Document multiarch in multilib
1598 * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
1599 include directory for multiarch directories.
1600 * common.opt: New options --print-multiarch and -imultilib.
1602 * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
1603 Include i386/t-linux.
1604 <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
1605 Include i386/t-kfreebsd.
1606 <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
1607 * config/i386/t-linux64: Add multiarch names in
1608 MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
1609 * config/i386/t-gnu: New file.
1610 * config/i386/t-kfreebsd: Likewise.
1611 * config/i386/t-linux: Likewise.
1613 * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1614 * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
1615 * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
1616 for 32bit non-biarch configurations.
1618 * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
1619 * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
1622 * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1624 * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
1626 * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1627 * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
1628 * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
1630 (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
1631 * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
1632 Include rs6000/t-linux for 32bit non-biarch configurations.
1634 * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1636 * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
1638 * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
1639 * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
1641 * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
1642 * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
1644 2013-01-14 Eric Botcazou <ebotcazou@adacore.com>
1646 * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
1647 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
1648 (vect_estimate_min_profitable_iter): Adjust to above fix.
1649 * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.
1651 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1653 Backport from mainline
1654 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1656 * doc/extend.texi (X86 Built-in Functions): Add whitespace in
1657 __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
1658 documentation. Add missing '__' in front of
1659 __builtin_ia32_packssdw256.
1661 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
1663 Backport from mainline
1664 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
1666 * config/i386/sse.md (*vec_interleave_highv2df): Change mode
1667 attribute of movddup insn to DF.
1668 (*vec_interleave_lowv2df): Ditto.
1669 (vec_dupv2df): Ditto.
1671 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1673 Backport from 2013-01-07 trunk r194991, r194992.
1676 * doc/extend.texi (AVR Named Address Spaces): __memx goes into
1679 * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
1680 (avr_addrspace_t): Add .section_name field.
1681 * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
1683 (avr_addrspace): Same. Initialize .section_name. Remove last
1684 NULL entry. Put __memx into .progmemx.data.
1685 (progmem_section_prefix): Remove.
1686 (avr_asm_init_sections): No need to initialize progmem_section.
1687 (avr_asm_named_section): Use avr_addrspace[].section_name to get
1688 section name prefix.
1689 (avr_asm_select_section): Ditto. And use get_unnamed_section to
1690 retrieve the progmem section.
1691 * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
1692 boundary to run over avr_addrspace[].
1693 (avr_register_target_pragmas): Ditto.
1695 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1697 Backport from 2013-01-07 trunk r194978.
1700 * doc/install.texi (Cross-Compiler-Specific Options): Document
1703 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1705 Backport from 2013-01-07 trunk r194968.
1708 * config/avr/t-avr: Don't automatically rebuild
1709 $(srcdir)/config/avr/t-multilib
1710 $(srcdir)/config/avr/avr-tables.opt
1711 (avr-mcus): New phony target to build them on request.
1712 (s-avr-mlib): Remove.
1713 * avr/avr-mcus.def: Adjust comments.
1715 2013-01-07 Terry Guo <terry.guo@arm.com>
1717 Backport from mainline
1718 2012-12-19 Terry Guo <terry.guo@arm.com>
1720 * config/arm/arm.c (thumb_find_work_register): Check argument
1721 register number based on current PCS.
1723 2013-01-06 Uros Bizjak <ubizjak@gmail.com>
1725 Backport from mainline
1726 2013-01-03 Uros Bizjak <ubizjak@gmail.com>
1729 * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
1730 selected code model, define __code_mode_small__, __code_model_medium__,
1731 __code_model_large__, __code_model_32__ or __code_model_kernel__.
1732 * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
1733 xchg temporary register with %k. Declare temporary register as
1735 [__x86_64__]: For medium and large code models, preserve %rbx register.
1737 2013-01-03 Richard Henderson <rth@redhat.com>
1739 * config/i386/i386.c (ix86_expand_move): Always assign to op1
1740 after eliminating TLS symbols.
1742 2013-01-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1745 * config/pa/pa.md (movsi): Revert previous change.
1746 * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
1749 2013-01-02 Rainer Emrich <rainer@emrich-ebersheim.de>
1752 * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
1755 2013-01-02 Jason Merrill <jason@redhat.com>
1758 * tree.c (build_array_type_1): Revert earlier change.
1760 2012-12-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1763 * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
1764 after reload starts.
1766 2012-12-21 Martin Jambor <mjambor@suse.cz>
1768 PR tree-optimization/55355
1769 * tree-sra.c (type_internals_preclude_sra_p): Also check that
1770 bit_position is small enough to fit a single HOST_WIDE_INT.
1772 2012-12-21 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1774 * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.
1776 2012-12-18 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1778 Backport from mainline
1779 2012-10-15 Matthias Klose <doko@ubuntu.com>
1781 * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
1782 * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
1784 2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
1785 Tomash Brechko <tomash.brechko@gmail.com>
1788 * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
1789 handling of before and after cases.
1790 * config/sparc/sync.md (atomic_store): Fix pasto.
1792 2012-12-14 Yvan Roux <yvan.roux@linaro.org>
1794 * optabs.c (expand_atomic_store): Elide redundant model test.
1796 2012-12-13 Richard Henderson <rth@redhat.com>
1799 * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
1801 2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
1804 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
1805 (tldo_stb_sp64): Likewise.
1806 (tldo_sth_sp32): Likewise.
1807 (tldo_sth_sp64): Likewise.
1808 (tldo_stw_sp32): Likewise.
1809 (tldo_stw_sp64): Likewise.
1810 (tldo_stx_sp64): Likewise.
1812 2012-12-10 Kai Tietz <ktietz@redhat.com>
1815 * print-tree.c (print_node): Cast from pointer via uintptr_t.
1817 2012-12-07 Uros Bizjak <ubizjak@gmail.com>
1819 Backport from mainline
1820 2012-12-06 Uros Bizjak <ubizjak@gmail.com>
1821 H.J. Lu <hongjiu.lu@intel.com>
1824 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
1825 before using it as insn or call equivalent.
1827 2012-12-06 Jason Merrill <jason@redhat.com>
1830 * tree.c (build_array_type_1): Re-layout if we found it in the
1833 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1835 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
1836 opaque cond in all call insns.
1838 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
1840 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
1841 area if the function allocates dynamic stack space.
1842 (ia64_initial_elimination_offset): Adjust offsets to above change.
1844 2012-12-03 Richard Biener <rguenther@suse.de>
1846 Backport from mainline
1847 2012-09-24 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/53663
1850 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
1851 native encode/interpret translation on VN_WALKREWRITE.
1853 2012-12-03 Kai Tietz <ktietz@redhat.com>
1856 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
1859 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
1862 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
1864 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1866 Backport from mainline:
1867 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1870 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
1871 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
1872 (in_nullified_branch_delay): Likewise.
1873 (in_call_delay): Likewise.
1874 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
1875 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
1876 the $$sh_func_adrs call as variable. Update type of sibcalls and
1877 $$sh_func_adrs call.
1878 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
1879 length instead of adjustment. Handle negative and undefined call
1880 adjustments for insn_default_length. Remove adjustment for millicode
1881 insn with unfilled delay slot.
1882 (pa_output_millicode_call): Update for revised millicode length.
1883 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
1885 2012-11-29 Kai Tietz <ktietz@redhat.com>
1888 * prefix.c (lookup_key): Replace xmalloc/xrealloc
1889 use by XNEWVEC/XRESIZEVEC.
1891 * i386.c (get_scratch_register_on_entry): Handle
1892 thiscall-convention.
1893 (split_stack_prologue_scratch_regno): Likewise.
1894 (ix86_static_chain): Likewise.
1895 (x86_output_mi_thunk): Likewise.
1897 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
1899 Backported from mainline
1900 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
1901 Markus Trippelsdorf <markus@trippelsdorf.de>
1904 * lto-opts.c (lto_write_options): Also handle
1905 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
1906 OPT_SPECIAL_program_name.
1909 * lto-wrapper.c (merge_and_complain): Handle
1910 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
1911 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
1913 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
1915 PR rtl-optimization/55489
1916 * gcse.c (compute_transp): Precompute a canonical version
1917 of XEXP (x, 0), and pass it to canon_true_dependence.
1919 2012-11-27 Richard Biener <rguenther@suse.de>
1922 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
1923 stmt with a NOP instead of removing it.
1925 2012-11-26 Richard Biener <rguenther@suse.de>
1927 Backport from mainline
1928 2012-10-19 Richard Biener <rguenther@suse.de>
1930 PR tree-optimization/54976
1931 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1932 Robustify against odd inner_mode inputs.
1934 2012-10-12 Richard Biener <rguenther@suse.de>
1936 PR tree-optimization/54894
1937 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1938 Handle over-aligned scalar types properly.
1940 2012-10-02 Richard Guenther <rguenther@suse.de>
1943 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
1944 cleaning up the CFG.
1946 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
1948 Backport from mainline
1949 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
1951 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
1952 explaining the register ordering preferences.
1954 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
1955 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
1956 constraints so that the traditional floating point loads, stores,
1957 and moves are done first, then the VSX loads, stores, and moves,
1958 and finally the GPR loads, stores, and moves so that reload
1959 chooses FPRs over GPRs, and uses the traditional load/store
1960 instructions which provide an offset.
1961 (movdf_hardfloat64): Likewise.
1963 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
1965 Backported from mainline
1966 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
1967 H.J. Lu <hongjiu.lu@intel.com>
1970 * config/i386/i386.c (legitimize_pic_address): Properly handle
1972 (ix86_print_operand_address): Set code to 'k' when forcing
1973 addr32 prefix. For x32, zero-extend negative displacement if
1976 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
1978 * common.opt (fvar-tracking-uninit): Document.
1979 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
1980 * config/darwin.c (darwin_override_options): Likewise.
1982 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
1984 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
1985 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
1987 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
1989 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
1991 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
1993 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
1996 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
1998 Backport from mainline
1999 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
2001 * config/i386/i386.c (ix86_init_machine_status): Do not
2002 explicitly clear tls_descriptor_call_expanded_p again.
2004 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
2006 * config/i386/sse.md
2007 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
2008 as read and written by the instruction.
2010 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
2012 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
2013 (ix86_instantiate_decls): New function.
2014 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
2015 stack slot instead of SLOT_VIRTUAL.
2016 <case IX86_BUILTIN_STMXCSR>: Ditto.
2017 (assign_386_stack_local): Do not assert when virtual slot is valid.
2018 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
2019 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
2020 (truncxf<mode>2): Ditto.
2021 (floatunssi<mode>2): Ditto.
2022 (isinf<mode>2): Ditto.
2023 * config/i386/sync.md (atomic_load<mode>): Ditto.
2024 (atomic_store<mode>): Ditto.
2026 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
2029 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
2030 the argument is itself a conditional expression.
2032 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
2034 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
2037 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
2039 PR tree-optimization/54986
2040 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
2041 conversions on entry but add them back on exit if needed.
2043 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
2046 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
2048 (print_reg): Use true_regnum rather than REGNO.
2049 (ix86_print_operand_address): Remove SUBREG handling.
2051 2012-11-05 Jakub Jelinek <jakub@redhat.com>
2053 Backported from mainline
2054 2012-10-24 Jakub Jelinek <jakub@redhat.com>
2057 * gimple.h (is_gimple_sizepos): New inline function.
2058 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
2059 final assignment to expr variable.
2060 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
2061 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
2062 into a local temporary.
2064 2012-10-10 Jakub Jelinek <jakub@redhat.com>
2066 PR tree-optimization/54877
2067 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
2068 use make_ssa_name instead of copy_ssa_name.
2070 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
2072 Backport from mainline
2073 2012-10-31 Jakub Jelinek <jakub@redhat.com>
2075 PR tree-optimization/53708
2076 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
2077 user-supplied alignment when used with an explicit section name.
2079 2012-11-02 Jeff Law <law@redhat.com>
2081 PR tree-optimization/54985
2082 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
2083 from thread_across_edge.
2084 (thread_across_edge): Use it in all cases where we might thread
2087 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
2089 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
2090 special register pushes before frame probing and allocation.
2092 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
2093 Joel Sherrill <joel.sherrill@oarcorp.com>
2095 * config/sparc/t-rtems: New (Custom multilibs).
2096 * config/sparc/t-rtems-64: New (Custom multilibs).
2097 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
2098 (sparc-*-rtems*): Add sparc/t-rtems.
2100 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
2102 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
2104 (hash_rtx): Likewise.
2106 2012-10-29 Terry Guo <terry.guo@arm.com>
2108 Backport from mainline
2109 2012-10-11 Terry Guo <terry.guo@arm.com>
2111 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
2113 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
2116 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
2118 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
2119 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
2121 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
2123 * config/avr/t-rtems: Revert previous commit.
2125 2012-10-26 Terry Guo <terry.guo@arm.com>
2127 Backport from mainline
2128 2012-10-23 Terry Guo <terry.guo@arm.com>
2131 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
2134 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
2136 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
2138 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
2140 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2142 * config.gcc (microblaze*-*-rtems*): New target.
2143 * config/microblaze/rtems.h: New.
2144 * config/microblaze/t-rtems: New.
2146 2012-10-25 Richard Biener <rguenther@suse.de>
2148 PR tree-optimization/54902
2149 * tree-ssa-pre.c (fini_pre): Return TODO.
2150 (execute_pre): Adjust.
2151 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
2152 blocks before computing dominators.
2154 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
2156 Backport from mainline
2157 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
2159 * config/i386/i386.c (memory_address_length): Assert that non-null
2160 base or index RTXes are registers. Do not check for REG RTXes.
2161 Determine addr32 prefix using SImode_address_operand or
2162 from original base and index RTXes. Simplify code.
2164 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
2166 * config/i386/i386-protos.h (memory_address_length): Add new bool
2167 argument. Update all uses.
2168 * config/i386/i386.c (memory_address_length): If not LEA insn, then
2169 add length of addr32 prefix based on mode of base or index register.
2170 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
2171 addresses here. Update call to memory_address_length.
2172 (ix86_print_address_operand): Use SImode_address_operand predicate.
2173 * config/i386/predicates.md (SImode_address_operand): New.
2174 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
2175 to calculate "mode" attribute. Use SImode_address_operand predicate
2176 instead of open-coding accepted RTX codes.
2178 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
2180 Backport from 2012-10-22 trunk r192685.
2181 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
2182 Note __AVR_<device>__ is not defined for cores.
2183 Don't point to --help=target.
2184 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
2186 2012-10-19 Marek Polacek <polacek@redhat.com>
2188 Backported from mainline
2189 2012-10-19 Marek Polacek <polacek@redhat.com>
2192 * fold-const.c (fold_sign_changed_comparison): Punt if folding
2193 pointer/non-pointer comparison.
2195 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
2197 Backported from mainline
2198 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
2201 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
2202 sure the mode is correct when falling through from above cases.
2204 2012-10-19 Alan Modra <amodra@gmail.com>
2206 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
2207 (HAVE_LD_LARGE_TOC): Likewise.
2208 * configure: Regenerate.
2210 2012-10-19 Alan Modra <amodra@gmail.com>
2212 * config/rs6000/predicates.md (splat_input_operand): Don't call
2213 input_operand for MEMs. Instead check for volatile and call
2214 memory_address_addr_space_p with modified mode.
2216 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
2218 Backported from mainline
2219 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
2221 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
2223 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
2225 PR rtl-optimization/54870
2226 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
2227 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
2228 SSA_NAME pointer that points to a partition if there is at least
2229 one variable with it set in the partition.
2230 * dse.c (local_variable_can_escape): New predicate.
2231 (can_escape): Call it.
2232 * gimplify.c (mark_addressable): If this is a partitioned decl, also
2233 mark the SSA_NAME pointer that points to a partition.
2235 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
2237 Backport from mainline
2238 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
2240 PR rtl-optimization/53701
2241 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
2242 rocess not only expr's vinsns but all old vinsns from expr's
2245 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
2247 Backport from mainline
2248 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
2251 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
2253 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
2254 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
2255 only if producer writes to the register given by regno.
2257 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
2259 Backport from mainline
2260 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
2262 * config/i386/sse.md (UNSPEC_MOVU): Remove.
2263 (UNSPEC_LOADU): New.
2264 (UNSPEC_STOREU): Ditto.
2265 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
2266 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
2267 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
2268 (<sse2>_movdqu<avxsizesuffix>): Split to ...
2269 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
2270 (<sse2>_storedqu<avxsizesuffix>): ... this.
2271 (*sse4_2_pcmpestr_unaligned): Update.
2272 (*sse4_2_pcmpistr_unaligned): Ditto.
2274 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
2275 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
2276 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
2277 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
2278 gen_sse2_load{dqu,upd} to load from unaligned memory and
2279 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
2281 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
2282 Use CODE_FOR_sse_loadups.
2283 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
2284 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
2285 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
2286 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
2287 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
2288 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
2289 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
2290 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
2291 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
2292 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
2293 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
2295 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
2297 Backport from trunk (r190222):
2299 PR tree-optimization/54146
2300 * ifcvt.c: Include pointer-set.h.
2301 (cond_move_process_if_block): Change type of then_regs and
2302 else_regs from alloca'd array to pointer_sets.
2303 (check_cond_move_block): Update for this change.
2304 (cond_move_convert_if_block): Likewise.
2305 * Makefile.in: Fix dependencies for ifcvt.o.
2307 2012-10-15 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/54920
2310 * tree-ssa-pre.c (create_expression_by_pieces): Properly
2311 allocate temporary storage for all NARY elements.
2313 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
2316 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
2318 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
2320 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
2321 default_use_cxa_atexit to yes.
2323 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2325 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
2327 2012-10-05 Jan Hubicka <jh@suse.cz>
2328 Jakub Jelinek <jakub@redhat.com>
2330 PR tree-optimization/33763
2331 * tree-inline.c (expand_call_inline): Silently ignore always_inline
2332 attribute for redefined extern inline functions.
2334 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
2336 Backported from mainline
2337 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
2339 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
2340 in SSE and YMM state support check for -march=native.
2342 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
2345 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
2348 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
2350 Backported from mainline
2351 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
2354 * doc/invoke.texi: Document -mprefer-avx128.
2356 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
2358 Backported from mainline
2359 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
2362 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
2363 (XSTATE_FP): Likewise.
2364 (XSTATE_SSE): Likewise.
2365 (XSTATE_YMM): Likewise.
2366 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
2367 SSE and YMM states aren't supported.
2369 2012-10-01 Tom de Vries <tom@codesourcery.com>
2371 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
2374 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2377 * config/s390/s390.c (s390_option_override): Add missing break.
2379 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
2381 Backport from mainline
2382 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
2384 * config.gcc: Replace 'host' with 'target' when configuring for
2385 powerpc64*-*-freebsd.
2387 2012-09-28 Meador Inge <meadori@codesourcery.com>
2389 Backport from mainline
2390 2012-09-27 Meador Inge <meadori@codesourcery.com>
2392 * gcc-ar.c (main): Handle the returning of the sub-process error
2395 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
2397 Backport from 2012-09-28 trunk r191821.
2398 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
2400 2012-09-27 Jakub Jelinek <jakub@redhat.com>
2403 * simplify-rtx.c (simplify_binary_operation_1): Perform
2404 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
2406 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
2408 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
2409 TYPE_NONALIASED_COMPONENT flag.
2410 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
2411 TYPE_NONALIASED_COMPONENT flag.
2413 2012-09-21 Richard Guenther <rguenther@suse.de>
2416 Backport from mainline
2417 2012-04-19 Richard Guenther <rguenther@suse.de>
2419 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
2422 2012-09-20 Joseph Myers <joseph@codesourcery.com>
2425 * c-typeck.c (c_cast_expr): When casting to a type requiring
2426 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
2429 2012-09-20 Joseph Myers <joseph@codesourcery.com>
2432 * c-typeck.c (build_unary_op): Pass original argument of
2433 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
2434 any C_MAYBE_CONST_EXPR, if it has integer operands.
2435 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
2436 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
2437 to c_objc_common_truthvalue_conversion, then remove any
2438 C_MAYBE_CONST_EXPR, if they have integer operands. Use
2439 c_objc_common_truthvalue_conversion not
2440 c_common_truthvalue_conversion.
2441 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
2442 call note_integer_operands for arguments with integer operands
2443 that are not integer constants.
2445 2012-09-20 Jakub Jelinek <jakub@redhat.com>
2447 Backported from mainline
2448 2012-09-17 Jakub Jelinek <jakub@redhat.com>
2450 PR tree-optimization/54563
2451 * tree-ssa-math-opts.c (execute_cse_sincos): Call
2452 gimple_purge_dead_eh_edges if last call has been changed.
2454 2012-09-14 Jakub Jelinek <jakub@redhat.com>
2457 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
2458 instead of (match_dup 0) as second argument to vec_merge.
2459 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
2460 Remove third alternative.
2461 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
2462 operand 2 instead of operand 1, but put it as first argument
2464 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
2465 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
2468 2012-09-20 Jakub Jelinek <jakub@redhat.com>
2470 * BASE-VER: Set to 4.7.3.
2471 * DEV-PHASE: Set to prerelease.
2473 2012-09-20 Release Manager
2475 * GCC 4.7.2 released.
2477 2012-09-15 Andi Kleen <ak@linux.intel.com>
2479 Backport from mainline
2480 2012-09-07 Andi Kleen <ak@linux.intel.com>
2482 * gcc/lto-streamer.h (res_pair): Add.
2483 (lto_file_decl_data): Replace resolutions with respairs.
2485 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
2486 Initialize respairs.
2487 (lto_file_finalize): Set up resolutions vector lazily from respairs.
2489 2012-09-14 Walter Lee <walt@tilera.com>
2491 Backport from mainline.
2492 2012-09-14 Walter Lee <walt@tilera.com>
2494 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
2495 option for TILEPro and TILE-Gx.
2497 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
2499 * config/i386/i386.h (x86_prefetchw): New global variable.
2500 (TARGET_PREFETCHW): New macro.
2501 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
2502 (processor_alias_table): Add PTA_PREFETCHW to
2503 bdver1, bdver2 and btver1.
2504 (ix86_option_override_internal): Set x86_prefetchw for
2505 PTA_PREFETCHW targets.
2506 * config/i386/i386.md (prefetch): Expand to prefetchw
2507 for TARGET_PREFETCHW.
2508 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
2510 Backport from mainline
2511 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
2513 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
2514 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
2516 (*prefetch_sse): ... this.
2517 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
2519 (*prefetch_3dnow): ... this.
2521 2012-09-13 Jakub Jelinek <jakub@redhat.com>
2524 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
2525 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
2527 2012-09-12 Teresa Johnson <tejohnson@google.com>
2529 Backport from mainline.
2530 2012-09-12 Teresa Johnson <tejohnson@google.com>
2532 PR gcov-profile/54487
2533 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
2534 test using F_SETLKW with fcntl.
2535 * configure, config.in: Regenerate.
2537 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
2539 Backport from mainline
2540 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2542 * config/i386/i386.md : Comments on fma4 instruction selection
2543 reflect requirement on register pressure based cost model.
2545 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
2546 flag is set-reset as informed by the cpuid flag.
2548 * config/i386/i386.c (processor_alias_table): fma4
2549 flag is enabled for bdver2.
2551 2012-09-12 Christian Bruel <christian.bruel@st.com>
2553 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
2555 2012-09-12 Jakub Jelinek <jakub@redhat.com>
2557 * config.gcc: Obsolete picochip-*.
2559 2012-09-11 Richard Guenther <rguenther@suse.de>
2562 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
2563 on flag_toplevel_reorder.
2565 2012-09-10 Richard Henderson <rth@redhat.com>
2567 * config/alpha/predicates.md (small_symbolic_operand): Disallow
2570 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
2572 Backport from 2012-09-10 mainline r191132.
2575 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
2577 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
2580 * tree-sra.c (disqualify_base_of_expr): Check for possible
2581 NULL_TREE returned by get_base_address()
2583 2012-09-07 Richard Guenther <rguenther@suse.de>
2585 Backport from mainline
2586 2012-06-26 Jan Hubicka <jh@suse.cz>
2589 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
2592 2012-09-07 Richard Guenther <rguenther@suse.de>
2594 Backport from mainline
2595 2012-07-13 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/53922
2598 * tree-vrp.c (value_inside_range): Change prototype to take
2599 min/max instead of value-range.
2600 (range_includes_zero_p): Likewise. Return the result from
2602 (extract_range_from_binary_expr_1): Adjust to handle dont-know
2603 return value from range_includes_zero_p.
2604 (extract_range_from_unary_expr_1): Likewise.
2605 (compare_range_with_value): Likewise.
2606 (vrp_meet_1): Likewise.
2608 2012-09-07 Richard Guenther <rguenther@suse.de>
2611 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
2612 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
2613 arguments separately.
2615 2012-09-07 Jakub Jelinek <jakub@redhat.com>
2617 Backported from mainline
2618 2012-09-06 Jakub Jelinek <jakub@redhat.com>
2620 PR rtl-optimization/54455
2621 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
2622 bb ends up with asm goto referencing bb's label.
2624 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2626 Backport from mainline.
2627 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2628 Richard Earnshaw <richard.earnshaw@arm.com>
2631 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
2632 element size. Use elem_type from the formal parameter. New parameter
2634 (neon_expand_args): Adjust call to neon_dereference_pointer.
2636 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
2638 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
2639 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
2641 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
2643 Backport from mainline
2644 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
2646 * config/i386/i386.md (isa): Add fma and fma4.
2647 (enabled): Handle fma and fma4.
2648 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
2649 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
2650 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
2651 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
2652 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
2653 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
2655 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
2657 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
2658 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
2659 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
2661 2012-09-06 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/54498
2664 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
2665 abort when reaching an already visited region.
2666 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
2667 (get_continuation_for_phi_1): Likewise.
2668 (walk_non_aliased_vuses): When we translated the reference,
2669 abort when we re-visit a region.
2670 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
2672 2012-09-06 Andrew Pinski <apinski@cavium.com>
2675 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
2677 2012-09-05 Jakub Jelinek <jakub@redhat.com>
2680 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
2681 build_int_cst with size_type_node instead of size_int.
2683 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
2685 Backport from 2012-09-05 mainline r190697.
2688 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
2689 configured --with-avrlibc.
2690 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
2692 * config/avr/avrlibc.h: New file.
2693 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
2694 configured --with-avrlibc.
2695 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
2697 2012-09-05 Bin Cheng <bin.cheng@arm.com>
2699 Backport from 2012-09-04 mainline r190919
2702 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
2703 of size less than 4 bytes by using macro ARM_NUM_INTS.
2704 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
2706 2012-09-04 Richard Henderson <rth@redhat.com>
2708 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
2710 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
2712 Backport from 2012-09-04 mainline r190920
2715 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
2717 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2719 Backport from 2012-09-04 mainline r190914
2722 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
2724 (avr_allocate_stack_slots_for_args): ...this new static function.
2726 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
2728 Backported from mainline
2729 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
2732 * doc/invoke.texi: Add -da and remove -dm.
2734 2012-09-03 Jakub Jelinek <jakub@redhat.com>
2736 Backported from mainline
2737 2012-09-01 Jakub Jelinek <jakub@redhat.com>
2740 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
2741 operands[1] is CONST_INT_P, convert it to QImode before printing.
2743 2012-08-31 Jakub Jelinek <jakub@redhat.com>
2746 * c-convert.c (convert): Don't call fold_convert_loc if
2747 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
2748 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
2749 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
2751 2012-08-24 Jakub Jelinek <jakub@redhat.com>
2754 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
2755 if init is a CONSTRUCTOR.
2757 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
2759 PR rtl-optimization/54369
2760 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
2761 calling dbr_schedule.
2762 * config/sparc/sparc.c (sparc_reorg): Likewise.
2764 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
2766 Backport from mainline
2767 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
2769 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
2770 case for Atom processor.
2772 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
2774 Backport from mainline
2775 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
2778 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
2779 true for TARGET_64BIT or !flag_pic.
2780 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
2781 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
2782 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
2783 Add insn constraint. Conditionally emit xchg asm insns.
2784 (atomic_compare_and_swap<mode>): Update calls. Check only
2785 cmpxchg8b_pic_memory_operand in memory address fixup.
2787 (CASHMODE): Rename from DCASHMODE.
2788 (doublemodesuffix): Update modes.
2789 (regprefix): New mode attribute.
2791 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
2792 <UNSPECV_CMPXCHG>: New constant.
2793 (atomic_compare_and_swap<mode>_1): Rename from
2794 atomic_compare_and_swap_single<mode>. Update calls and
2795 unspec_volatile constants.
2796 (atomic_compare_and_swap<mode>_doubleword): Rename from
2797 atomic_compare_and_swap_double<mode>. Update calls and
2798 unspec_volatile constants.
2800 2012-08-28 Walter Lee <walt@tilera.com>
2802 Backport from mainline
2803 2012-08-28 Walter Lee <walt@tilera.com>
2805 * confg/tilegx/tilegx.md: Fix code style.
2806 (*zero_extendsidi_truncdisi): Fix typo.
2807 * config/tilegx/tilegx.c: Fix code style.
2808 (tilegx_function_profiler): Fix typo.
2810 2012-08-27 Walter Lee <walt@tilera.com>
2812 Backport from mainline
2813 2012-08-27 Walter Lee <walt@tilera.com>
2815 * doc/md.texi (TILE-Gx): Fix typo.
2817 2012-08-27 Walter Lee <walt@tilera.com>
2819 Backport from mainline
2820 2012-08-27 Walter Lee <walt@tilera.com>
2822 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
2823 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
2825 2012-08-27 Walter Lee <walt@tilera.com>
2827 Backport from mainline
2828 2012-08-27 Walter Lee <walt@tilera.com>
2830 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
2831 (insn_bfins): Delete.
2833 2012-08-27 Walter Lee <walt@tilera.com>
2835 Backport from mainline
2836 2012-08-27 Walter Lee <walt@tilera.com>
2838 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
2839 atomic_exchange_bare<mode>,
2840 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
2841 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
2842 * config/tilegx/tilegx.md (type): Add X1_remove.
2843 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
2844 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
2845 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
2848 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
2850 PR rtl-optimization/54088
2851 * jump.c (delete_related_insns): Robustify latest change.
2853 2012-08-21 Richard Guenther <rguenther@suse.de>
2855 Backport from mainline
2856 2012-08-16 Richard Guenther <rguenther@suse.de>
2859 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
2861 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
2862 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
2863 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
2864 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
2865 (tree_ssa_lim_finalize): Free all mem_refs.
2866 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
2867 scc when bailing out.
2868 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
2869 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
2870 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
2871 FOR_EACH_LOOP_BREAK.
2873 2012-08-17 Richard Guenther <rguenther@suse.de>
2875 * tree-sra.c (modify_function): Free redirect_callers vector.
2876 * ipa-split.c (split_function): Free args_to_pass vector.
2877 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
2879 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
2880 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
2881 (vect_analyze_slp_instance): Free everything.
2882 (destroy_bb_vec_info): Free the SLP instances.
2884 2012-08-17 Richard Guenther <rguenther@suse.de>
2886 * params.def (integer-share-limit): Decrease from 256 to 251,
2889 2012-08-21 Richard Guenther <rguenther@suse.de>
2891 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
2892 the affine expansion cache.
2894 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
2896 Backported from trunk
2897 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
2900 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
2902 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2904 Backport from mainline.
2905 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2908 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
2909 mark as predicable. Adjust asm template.
2910 (vec_setv2di_internal): Likewise.
2911 (vec_extract<mode> VD, VQ): Likewise.
2912 (vec_extractv2di): Likewise.
2913 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
2914 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
2915 (neon_vdup_n<mode> VX, V32): Likewise.
2916 (neon_vdup_nv2di): Likewise.
2918 2012-08-17 Walter Lee <walt@tilera.com>
2920 Backport from mainline
2921 2012-08-17 Walter Lee <walt@tilera.com>
2923 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
2924 (FEEDBACK_ENTER): Define.
2925 (FEEDBACK_REENTER): Define.
2926 (FEEDBACK_ENTRY): Define.
2927 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
2928 (FEEDBACK_ENTER): Define.
2929 (FEEDBACK_REENTER): Define.
2930 (FEEDBACK_ENTRY): Define.
2932 2012-08-16 Walter Lee <walt@tilera.com>
2934 Backport from mainline
2935 2012-08-16 Walter Lee <walt@tilera.com>
2937 * config.gcc (tilegx-*-linux*): Add feedback.h.
2938 (tilepro-*-linux*): Likewise.
2939 * config/tilegx/feedback.h: New file.
2940 * config/tilepro/feedback.h: New file.
2942 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
2944 Backport from mainline r189840 and r187586:
2945 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
2947 * config/i386/i386.md (stack_protect_set): Disable the pattern
2948 for Android since Android libc (bionic) does not provide random
2949 value for stack protection guard at gs:0x14. Guard value
2950 will be provided from external symbol (default implementation).
2951 (stack_protect_set_<mode>): Likewise.
2952 (stack_protect_test): Likewise.
2953 (stack_protect_test_<mode>): Likewise.
2954 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
2955 not have Bionic by default
2956 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
2957 Macro OPTION_BIONIC is defined in this file and provides Bionic
2958 accessibility status
2960 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
2962 * configure.ac: Stack protector enabling for Android targets.
2963 * configure: Regenerate.
2965 2012-08-13 Jakub Jelinek <jakub@redhat.com>
2967 Backported from trunk
2968 2012-07-19 Jakub Jelinek <jakub@redhat.com>
2970 PR rtl-optimization/53942
2971 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
2972 directly from likely spilled non-fixed hard registers, move them
2975 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
2977 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
2978 (xop_phaddubq): Ditto.
2980 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2982 Backport from mainline
2983 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
2984 Richard Earnshaw <rearnsha@arm.com>
2986 * target.def (vector_alignment): New target hook.
2987 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
2988 * doc/tm.texi: Regenerate.
2989 * targhooks.c (default_vector_alignment): New function.
2990 * targhooks.h (default_vector_alignment): Add prototype.
2991 * stor-layout.c (layout_type): Use targetm.vector_alignment.
2992 * config/arm/arm.c (arm_vector_alignment): New function.
2993 (TARGET_VECTOR_ALIGNMENT): Define.
2995 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
2996 vector type alignment instead of size.
2997 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
2998 element type size directly instead of computing it from alignment.
2999 Fix variable naming and comment.
3001 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
3003 Backport from mainline
3004 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
3006 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
3007 (alpha_pad_function_end): ... this. Also insert NOP between
3008 sibling call and GP load.
3009 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
3011 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
3013 Backport from mainline
3014 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
3015 H.J. Lu <hongjiu.lu@intel.com>
3017 PR rtl-optimization/54157
3018 * combine.c (gen_lowpart_for_combine): Don't return identity
3019 for CONST or symbolic reference.
3021 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
3023 Backport from mainline
3024 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
3026 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
3027 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
3028 split_cost argument signed.
3029 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
3030 (ix86_avoid_lea_for_addr): Ditto.
3032 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
3034 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
3035 the address has less than two components.
3037 2012-08-02 Steve Ellcey <sellcey@mips.com>
3039 Backport from mainline
3040 2012-07-19 Steve Ellcey <sellcey@mips.com>
3042 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
3045 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
3047 Backport from mainline
3048 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
3051 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
3052 negative constant address for TARGET_X32 ...
3053 (ix86_decompose_address): ... here. Reject constant addresses
3054 that don't satisfy x86_64_immediate_operand predicate.
3056 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
3059 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
3060 * config/i386/i386.c (ix86_print_operand_address): Ditto.
3061 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
3062 addresses. Prevent zero extensions of CONST_INT operands.
3064 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
3067 * config/i386/i386.md (*lea): New insn pattern.
3069 (*lea<mode>_2): Ditto.
3070 (*lea_{3,4,5,6}_zext): Ditto.
3071 * config/i386/predicates.md (lea_address_operand): Do not reject
3072 zero-extended address operands.
3073 * config/i386/constraints.md (j): Remove address constraint.
3074 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
3076 (ix86_print_operand_address): Handle SImode subreg of an address.
3077 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
3079 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
3081 Backport from mainline
3082 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
3085 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
3086 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
3088 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
3089 (*movdi_internal_rex64): Use %E operand modifier for lea.
3090 (*movsi_internal): Ditto.
3092 (*lea<mode>_2): Ditto.
3093 (*lea_{3,4,5,6}_zext): Ditto.
3094 (*tls_global_dynamic_32_gnu): Ditto.
3095 (*tls_global_dynamic_64): Ditto.
3096 (*tls_dynamic_gnu2_lea_32): Ditto.
3097 (*tls_dynamic_gnu2_lea_64): Ditto.
3098 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
3100 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
3102 Backport from mainline
3103 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
3105 * config/i386/i386.c (ix86_address_subreg_operand): Reject
3107 (ix86_print_operand_address): Assert that parts.base and parts.index
3108 are non-NULL after call to simplify_subreg.
3110 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
3113 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
3115 * config/sh/sh.c (sh_option_override): Do not change
3116 flag_finite_math_only. Set TARGET_IEEE to complement of
3117 flag_finite_math_only.
3118 * doc/invoke.texi (SH options): Add mno-ieee. Correct
3119 description of mieee and mno-ieee behavior.
3121 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
3124 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
3125 (_lzcnt_u64): Ditto.
3127 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
3129 Backport from mainline
3130 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
3132 PR rtl-optimization/52250
3133 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
3134 to put note list into. Unconditionally call move_bb_info.
3135 (move_bb_info): Do not assert the blocks being in the same region,
3136 just drop the note list if they are not.
3138 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
3140 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
3142 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
3144 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
3145 defining statement is a SSA name that occurs in abnormal PHIs.
3147 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
3149 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
3152 2012-07-19 Richard Guenther <rguenther@suse.de>
3153 Eric Botcazou <ebotcazou@adacore.com>
3155 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
3156 about transition from invariant to known bits.
3157 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
3159 2012-07-19 Jakub Jelinek <jakub@redhat.com>
3162 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
3163 (cleanup_tree_cfg_bb): Don't call it.
3164 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
3167 2012-07-19 Christian Bruel <christian.bruel@st.com>
3170 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
3172 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
3174 * config.gcc (v850-*-rtems*): New target.
3175 * config/v850/rtems.h: New.
3176 * config/v850/t-rtems: New.
3178 2012-07-18 Nick Clifton <nickc@redhat.com>
3180 * doc/invoke.texi (ARM Options): Document -munaligned-access.
3182 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
3186 Backport from mainline
3187 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3190 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
3191 instead expand it as zero extension.
3193 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
3195 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
3196 QImode and HImode splitters. Use ix86_comparison_operator.
3197 Explicitly match FLAGS_REG.
3198 (DFmode cmove splitter): Explicitly match FLAGS_REG.
3200 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
3201 Steven Bosscher <steven@gcc.gnu.org>
3202 Bernd Schmidt <bernds@codesourcery.com>
3204 PR rtl-optimization/53908
3205 * df-problems.c (can_move_insns_across): When doing
3206 memory-reference book-keeping, handle call insns.
3208 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
3210 Backport from mainline
3211 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
3214 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
3215 sibcall_insn_operand. Move it to a temporary register if not.
3217 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
3220 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
3221 emit PIC sequence for fnaddr symbol reference in advance.
3223 2012-07-09 Jason Merrill <jason@redhat.com>
3226 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
3227 (type_hash_eq): Likewise.
3230 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
3232 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
3234 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
3235 due to negative shift amount.
3237 2012-07-06 Kai Tietz <ktietz@redhat.com>
3239 Backport from mainline.
3241 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
3242 as "/mingw/include".
3244 2012-07-06 Nick Clifton <nickc@redhat.com>
3246 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
3247 default_encode_section_info.
3249 2012-07-06 Richard Guenther <rguenther@suse.de>
3251 Backport from mainline
3252 2012-03-30 Richard Guenther <rguenther@suse.de>
3255 * double-int.c (rshift_double): Remove not needed cast.
3257 2012-03-28 Richard Guenther <rguenther@suse.de>
3260 * double-int.h (rshift_double): Remove.
3261 * double-int.c (lshift_double): Use absu_hwi to make count
3263 (rshift_double): Make static, take unsigned count argument,
3264 remove handling of negative count argument.
3265 (double_int_rshift): Dispatch to lshift_double.
3267 2012-07-06 Richard Guenther <rguenther@suse.de>
3269 Backport from mainline
3270 2012-06-18 Richard Guenther <rguenther@suse.de>
3272 PR tree-optimization/53693
3273 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
3274 Reject operands with more than one use.
3276 2012-07-06 Richard Guenther <rguenther@suse.de>
3278 Backport from mainline
3279 2012-04-11 Richard Guenther <rguenther@suse.de>
3282 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
3283 consider loop nesting.
3284 (evolution_function_is_univariate_p): Properly check the remainder
3287 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
3289 Backport from mainline
3290 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
3292 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
3293 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
3294 (adjacent_mem_locations): Move some code to and call...
3295 (get_memref_parts): ...new function.
3296 (mem_locations_overlap): New function.
3297 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
3298 (is_mem_ref): Rename to...
3299 (find_mem_ref): ...this. Return MEM rtx.
3300 (get_store_dest): Remove function.
3301 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
3302 new parameter and adjust calls.
3303 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
3304 mem refs overlap for true_store_to_load_dep_costly.
3305 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
3306 passed to adjacent_mem_locations.
3307 (is_costly_group): Walk resolved dependency list.
3308 (force_new_group): Emit group ending nop for Power6/Power7.
3309 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
3310 (group_ending_nop): New define_insn.
3312 2012-07-04 Richard Guenther <rguenther@suse.de>
3315 * gimple-fold.c (get_base_constructor): Do not return an
3316 error_mark_node DECL_INITIAL.
3318 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
3320 Backport from mainline
3321 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
3323 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
3324 code model string in the error message.
3326 2012-07-04 Tristan Gingold <gingold@adacore.com>
3328 Backport from mainline.
3329 2012-06-25 Tristan Gingold <gingold@adacore.com>
3331 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
3332 (seh_cfa_adjust_cfa): ... that function.
3333 (seh_emit_stackalloc): Do not emit out of range values.
3334 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
3335 UNSPEC_DEF_CFA constants.
3336 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
3337 * config/i386/i386.c (ix86_frame_pointer_required): Required
3338 for very large frames on SEH target.
3339 (ix86_compute_frame_layout): Save area is before frame pointer
3340 on SEH target. Handle very large frames.
3341 (ix86_expand_prologue): Likewise.
3343 2012-07-04 Richard Guenther <rguenther@suse.de>
3345 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
3346 as in free_lang_data_in_type.
3348 2012-07-02 Martin Jambor <mjambor@suse.cz>
3350 Backport from mainline.
3351 2012-07-02 Martin Jambor <mjambor@suse.cz>
3354 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
3355 dynamic type change check.
3357 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
3359 * tree-eh.c (lower_try_finally_switch): Really put the location of the
3360 last statement of the finally block onto the switch.
3362 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3364 * configure: Regenerate.
3366 Backport from mainline.
3367 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3369 * config.gcc (target_type_format_char): New. Document it. Set it for
3371 * configure.ac (gnu_unique_option): Use target_type_format_char
3372 in test. Comment rationale.
3374 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3376 Backport from mainline.
3377 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3379 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
3381 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
3383 Backport from 2012-06-28 mainline r189049
3386 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
3387 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
3388 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
3389 avr_hard_regno_call_part_clobbered.
3391 2012-06-28 Richard Guenther <rguenther@suse.de>
3394 * expr.c (expand_expr_real_1): Verify if the type is complete
3395 before inspecting its size.
3397 2012-06-27 Nick Clifton <nickc@redhat.com>
3399 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
3402 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
3405 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
3407 2012-06-26 Nick Clifton <nickc@redhat.com>
3409 * config/rx/rx.md (simple_return): Use the simple_return rtx.
3411 2012-06-25 Jakub Jelinek <jakub@redhat.com>
3414 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
3415 of x x x in the vmovlps load alternative.
3417 2012-06-22 Richard Guenther <rguenther@suse.de>
3419 * gcov-iov.c: Include bconfig.h and system.h.
3421 2012-06-22 Richard Guenther <rguenther@suse.de>
3423 PR gcov-profile/53744
3424 * gcov-iov.c (main): Treat "" and "prerelease" the same.
3426 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
3428 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
3429 DECL_IGNORED_P non-reg vars even if they are used.
3431 2012-06-19 Jason Merrill <jason@redhat.com>
3434 * dwarf2out.c (modified_type_die): Use scope_die_for.
3435 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
3436 (uses_local_type_r, uses_local_type): New.
3437 (scope_die_for): Keep a type that uses a local type in local scope.
3438 Use get_context_die for namespace and type scope.
3440 2012-06-19 Richard Guenther <rguenther@suse.de>
3443 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
3444 replace it with the first non-BLOCK context.
3446 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
3448 PR rtl-optimization/53700
3450 Backport from mainline
3451 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
3453 * ira-color.c (setup_left_conflict_sizes_p): Process all
3454 conflicting objects.
3456 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3458 Backport from mainline
3459 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
3462 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
3463 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
3464 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
3465 instead of xop_mulv2div2di3_low.
3466 (xop_p<macs>dql): Fix vec_select selector.
3467 (xop_p<macs>dqh): Ditto.
3468 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
3469 (xop_mulv2div2di3_high): Ditto.
3471 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
3473 Backport from mainline:
3474 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
3476 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
3478 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3480 Backport from mainline:
3481 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3483 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
3484 * config/pa/pa.c (pa_attr_length_millicode_call): Use
3485 MAX_PCREL17F_OFFSET instead of fixed offset.
3486 (pa_attr_length_call): Likewise.
3487 (pa_attr_length_indirect_call): Likewise.
3489 2012-06-15 Walter Lee <walt@tilera.com>
3491 Backport from mainline:
3492 2012-06-15 Walter Lee <walt@tilera.com>
3494 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
3496 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
3498 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
3500 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
3502 Backport from mainline:
3504 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
3505 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
3506 * gimple.h (block_in_transaction): Check for flag_tm.
3508 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
3510 PR tree-optimization/52558
3512 Backport from mainline:
3513 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
3514 * gimple.h (gimple_set_in_transaction): Remove.
3515 (gimple_in_transaction): Look in BB instead.
3516 (gimple_statement_base): Remove in_transaction field.
3517 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
3518 * trans-mem.c (compute_transaction_bits): Place transaction bit
3519 information into basic blocks.
3521 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
3523 PR tree-optimization/52558
3524 * cfg.c (alloc_aux_for_edge): Fix comment.
3525 (alloc_aux_for_edge): Remove static.
3526 * basic-block.h (alloc_aux_for_edge): Protoize.
3527 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
3528 (execute_sm_if_changed_flag): New.
3529 (execute_sm_if_changed_flag_set): New.
3530 (execute_sm): Do not generate data races unless requested.
3531 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
3532 (tree_ssa_lim_finalize): Call free_aux_for_edges.
3533 * gimple.h (block_in_transaction): New.
3534 (gimple_in_transaction): Use block_in_transaction.
3536 2012-06-14 Jakub Jelinek <jakub@redhat.com>
3538 Backported from mainline
3539 2012-06-12 Jakub Jelinek <jakub@redhat.com>
3541 PR rtl-optimization/53589
3542 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
3543 discovery even when e->dest != target. If any LABEL_REF points
3544 to e->dest label, redirect it to target's label.
3546 2012-06-07 Jakub Jelinek <jakub@redhat.com>
3549 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
3550 returns false, replace stmt with GIMPLE_NOP.
3551 (check_omp_nesting_restrictions): Instead of issuing warnings,
3552 issue errors and return false if any errors were reported.
3554 2012-06-14 Richard Guenther <rguenther@suse.de>
3556 * BASE-VER: Set to 4.7.2.
3557 * DEV-PHASE: Set to prerelease.
3559 2012-06-12 Christian Bruel <christian.bruel@st.com>
3562 * config/sh/sh.c (sh_option_override): Don't force
3563 flag_omit_frame_pointer and maccumulate_outgoing_args.
3564 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
3566 2012-06-14 Release Manager
3568 * GCC 4.7.1 released.
3570 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
3572 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
3574 2012-06-13 Richard Henderson <rth@redhat.com>
3576 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
3577 iterator instead of INT.
3579 2012-06-08 Richard Henderson <rth@redhat.com>
3582 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
3583 note to a clobber insn when no other insn is available.
3585 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
3588 * doc/invoke.texi (Wenum-compare): Update documentation.
3590 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
3593 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
3595 (altivec_stvlxl): Ditto.
3596 (altivec_stvrx): Ditto.
3597 (altivec_stvrxl): Ditto.
3599 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
3602 * trans-mem.c (expand_block_edges): Do not skip the first
3603 statement when resetting the BB.
3605 2012-06-04 Richard Guenther <rguenther@suse.de>
3608 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
3609 create new assembler names.
3611 2012-06-04 Richard Guenther <rguenther@suse.de>
3613 Backport from mainline
3614 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3617 * stor-layout.c (get_best_mode): Don't return mode with bitsize
3618 larger than maxbits. Don't compute maxbits modulo align.
3619 Also check that unit bytes long store at bitpos / unit * unit
3620 doesn't affect bits beyond bitregion_end.
3621 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3622 would not fit into bitregion_start ... bitregion_end + 1 bit
3624 (store_split_bit_field): Decrease unit close to end of bitregion_end
3625 if access is restricted in order to avoid mutual recursion.
3627 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
3629 Backport from 2012-06-04 mainline r188172
3632 * config/avr/avr-stdint.h: New file.
3633 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
3636 2012-06-04 Jakub Jelinek <jakub@redhat.com>
3638 PR tree-optimization/53550
3639 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
3640 is POINTER_TYPE_P, use sizetype as step type instead of type.
3642 2012-06-04 Richard Guenther <rguenther@suse.de>
3643 Eric Botcazou <ebotcazou@adacore.com>
3645 Backport from mainline
3646 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
3648 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
3649 Change type of BITOFFSET to signed. Make sure the lower bound of
3650 the computed range is non-negative by adjusting OFFSET and BITPOS.
3651 (expand_assignment): Adjust call to get_bit_range.
3653 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
3655 * expr.c (get_bit_range): Return the null range if the enclosing record
3656 is part of a larger bit field.
3658 2012-03-20 Richard Guenther <rguenther@suse.de>
3660 * stor-layout.c (finish_bitfield_representative): Fallback
3661 to conservative maximum size if the padding up to the next
3662 field cannot be computed as a constant.
3663 (finish_bitfield_layout): If we cannot compute the distance
3664 between the start of the bitfield representative and the
3665 bitfield member start a new representative.
3666 * expr.c (get_bit_range): The distance between the start of
3667 the bitfield representative and the bitfield member is zero
3668 if the field offsets are not constants.
3670 2012-03-16 Richard Guenther <rguenther@suse.de>
3672 * stor-layout.c (finish_bitfield_representative): Fall back
3673 to the conservative maximum size if we cannot compute the
3674 size of the tail padding.
3676 2012-03-14 Richard Guenther <rguenther@suse.de>
3678 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
3679 * stor-layout.c (start_bitfield_representative): New function.
3680 (finish_bitfield_representative): Likewise.
3681 (finish_bitfield_layout): Likewise.
3682 (finish_record_layout): Call finish_bitfield_layout.
3683 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
3684 for QUAL_UNION_TYPE fields.
3685 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3686 Stream DECL_BIT_FIELD_REPRESENTATIVE.
3687 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3692 * expr.c (get_bit_range): Unconditionally extract bitrange
3693 from DECL_BIT_FIELD_REPRESENTATIVE.
3694 (expand_assignment): Adjust call to get_bit_range.
3696 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
3699 * fold-const.c (fold_binary_loc): Refine previous change.
3701 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3703 Backport from mainline
3704 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
3707 * config/sh/sh.c (find_barrier): Add equality check of last_got to
3708 avoid going above orig insn. Update comments.
3710 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3712 Backport from mainline
3713 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
3716 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
3717 prologue for unwinder and profiler.
3719 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3721 Backport from mainline
3722 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3724 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
3726 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3728 Backport from mainline
3729 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3731 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
3732 DBX_REGISTER_NUMBER.
3734 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3736 Backport from mainline
3737 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3739 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
3740 operand is CONST_INT. Take COSTS_N_INSNS into account.
3741 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
3744 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
3746 * config/avr/avr.opt (-msp8): Document it.
3747 * doc/invoke.texi (AVR Options): Copy from trunk docu.
3749 2012-05-31 Richard Guenther <rguenther@suse.de>
3752 * expr.c (expand_assignment): Do not use movmisalign on
3755 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3758 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
3759 (pa_section_type_flags): New.
3760 (pa_legitimate_constant_p): Revert previous change.
3762 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
3764 Backport from mainline
3765 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
3768 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
3769 accessed indirectly.
3770 (ipa_tm_create_version): Same.
3772 2012-05-30 Jason Merrill <jason@redhat.com>
3775 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
3776 about array compound literals.
3778 2012-05-30 Richard Guenther <rguenther@suse.de>
3781 * fold-const.c (fold_binary_loc): Make sure to call
3782 fold_plusminus_mult_expr with the original sign of operands.
3784 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
3786 * explow.c (probe_stack_range): Restore simple control flow and stop
3787 again when the probe cannot be generated if HAVE_check_stack.
3789 2012-05-30 Jakub Jelinek <jakub@redhat.com>
3791 PR rtl-optimization/53519
3792 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
3793 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
3795 2012-05-29 Richard Guenther <rguenther@suse.de>
3797 PR tree-optimization/53516
3798 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
3800 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3802 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
3804 Backport from mainline
3805 2012-05-28 Richard Guenther <rguenther@suse.de>
3807 PR tree-optimization/53438
3808 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
3810 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
3812 Backport from mainline
3813 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
3815 PR rtl-optimization/52528
3816 * combine.c (can_combine_p): Add setting of subst_low_luid
3817 before call to expand_field_assignment().
3819 2012-05-26 Martin Jambor <mjambor@suse.cz>
3821 Backport from mainline
3822 2012-05-23 Martin Jambor <mjambor@suse.cz>
3824 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
3826 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
3829 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
3830 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
3832 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
3835 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
3836 (ix86_expand_vec_perm): Use int mode instead of float.
3838 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
3841 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
3842 gnu_ld variables to yes.
3843 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
3844 (HAVE_GNU_AS): Likewise.
3845 * config.in: Regenerate.
3846 * configure: Likewise.
3848 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3850 Backport from mainline
3851 2012-03-12 Richard Guenther <rguenther@suse.de>
3852 * config/arm/arm.c (neon_dereference_pointer): Do not call
3853 covert during RTL expansion.
3855 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3857 Backport from mainline
3858 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3861 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
3862 relied on signed overflow behavior.
3864 2012-05-24 Richard Guenther <rguenther@suse.de>
3867 * tree-profile.c (tree_profiling): Cleanup the CFG if
3868 execute_fixup_cfg requests it.
3870 2012-05-24 Jakub Jelinek <jakub@redhat.com>
3872 PR tree-optimization/53465
3873 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
3874 vr0 into *vr, then vrp_meet that.
3875 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
3876 have any equivalences.
3877 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
3880 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
3882 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
3884 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
3885 (iterative_hash_gimple_type): Adjust comment.
3886 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
3887 domain for an array type instead of the domain type itself.
3889 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
3891 Backport from 2012-05-23 mainline r187803
3894 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
3895 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
3898 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
3900 Backport from 2012-05-03 mainline r187075
3902 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
3903 has_fma4 for AMD processors with both fma3 and fma4 support.
3905 2012-05-22 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/53408
3908 * tree-vect-loop.c (vectorizable_induction): Properly check
3909 the restriction that we cannot handle induction results from
3910 the inner loop outside of the outer loop.
3912 2012-05-21 Jakub Jelinek <jakub@redhat.com>
3914 PR tree-optimization/53436
3915 * omp-low.c (omp_build_component_ref): New function.
3916 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
3918 PR tree-optimization/53366
3919 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
3920 tests if complex_numbers == 2, but there are non-complex number loads
3923 PR tree-optimization/53409
3924 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
3925 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
3927 PR tree-optimization/53410
3928 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
3929 instead of build_int_cst (type, 0) where vector types might be
3932 2012-05-21 Joseph Myers <joseph@codesourcery.com>
3935 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
3936 from folded operands before wrapping another around the
3937 conditional expression.
3939 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
3940 Patrick Marlier <patrick.marlier@gmail.com>
3942 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
3945 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
3947 Backport from mainline
3948 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
3951 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
3952 (UNSPECV_RDRAND): This.
3953 (rdrand<mode>_1): Updated.
3955 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
3957 Backport from mainline
3958 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
3960 * config/i386/driver-i386.c (host_detect_local_cpu): Support
3961 RDRND, F16C and FSGSBASE.
3963 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
3965 Backport from mainline
3966 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
3968 * tree-ssa-pre.c (can_value_number_call): Delete.
3969 (compute_avail): Skip all statements with side effects.
3970 <GIMPLE_CALL>: Skip calls to internal functions.
3972 2012-05-18 David S. Miller <davem@davemloft.net>
3974 Backport r185385 from mainline
3975 2012-03-14 Richard Guenther <rguenther@suse.de>
3978 * tree-vect-generic.c (type_for_widest_vector_mode): Take
3979 element type instead of mode, use build_vector_type_for_mode
3980 instead of the langhook, build a vector of proper signedness.
3981 (expand_vector_operations_1): Adjust.
3983 2012-05-18 Olivier Hainque <hainque@adacore.com>
3985 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
3986 $(libsubdir) as libexecsubdir.
3988 2012-05-16 Andrew Pinski <apinski@cavium.com>
3990 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
3993 2012-05-16 David S. Miller <davem@davemloft.net>
3995 * jump.c (delete_related_insns): If we remove a CALL, make sure
3996 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
3998 2012-05-16 Richard Henderson <rth@redhat.com>
4001 * combine-stack-adj.c (prev_active_insn_bb): New.
4002 (next_active_insn_bb): New.
4003 (force_move_args_size_note): New.
4004 (combine_stack_adjustments_for_block): Use it.
4006 2012-05-16 Olivier Hainque <hainque@adacore.com>
4008 * Makefile.in (install-no-fixedincludes): New target, former toplevel
4009 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
4010 Add comments and improve stamp preservation across the whole sequence.
4011 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
4013 2012-05-16 Richard Guenther <rguenther@suse.de>
4015 PR tree-optimization/53364
4016 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
4017 detect a view-conversion of the decl.
4019 2012-05-15 Jakub Jelinek <jakub@redhat.com>
4022 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
4023 that operands[2] is either immediate, or q_regs_operand.
4025 2012-05-15 Bin Cheng <bin.cheng@arm.com>
4027 Backport r187139 from mainline.
4028 2012-05-04 Bin Cheng <bin.cheng@arm.com>
4030 PR rtl-optimization/52804
4031 * reload1.c (reload_reg_reaches_end_p): Check whether successor
4032 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
4033 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
4034 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
4035 RELOAD_FOR_OUTADDR_ADDRESS.
4037 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
4040 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
4041 generate target register for "load" class builtins.
4044 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
4047 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
4048 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
4049 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
4050 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
4051 (<sse>_movu<ssemodesuffix>): New expander.
4052 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
4053 (avx_movdqu<avxmodesuffix>): New expander.
4054 (*sse2_movdqu): Rename from sse2_movdqu.
4055 (sse2_movdqu): New expander.
4057 2012-05-14 Jakub Jelinek <jakub@redhat.com>
4059 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
4060 lineno 1 the same as lineno 0 before first start file directive.
4061 (optimize_macinfo_range): Likewise.
4063 * dwarf2out.c (have_macinfo): Define.
4064 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
4065 attribute, don't force empty compilation unit and don't emit any
4066 .debug_macinfo/.debug_macro section if macinfo_table is empty.
4068 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
4070 Backport from mainline
4071 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
4073 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4074 ORDERED and UNORDERED conditions.
4076 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
4078 * function.c (requires_stack_frame_p): If the function can throw
4079 non-call exceptions, return true if the insn can throw internally.
4081 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
4083 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
4084 DECL_ORIGINAL_TYPE if it is present.
4086 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
4088 Backport from 2012-05-12 mainline r187342.
4091 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
4092 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
4093 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
4094 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
4095 (expand_prologue): Move initialization of cfun->machine->is_naked,
4096 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
4097 (avr_set_current_function): ...this new static function.
4098 (TARGET_SET_CURRENT_FUNCTION): New define.
4099 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
4100 checking attributes of current_function_decl.
4101 (avr_regs_to_save): Ditto.
4102 (signal_function_p): Rename to avr_signal_function_p.
4103 (interrupt_function_p): Rename to avr_interrupt_function_p.
4105 * doc/extend.texi (Function Attributes): Better explanation of
4106 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
4109 2012-05-09 Matthias Klose <doko@ubuntu.com>
4111 * gcc-ar.c (main): Don't check for execute bits for the plugin.
4113 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
4116 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
4117 when a constant source operand matches an "I" constraint, the "no
4118 CC0 change" applies to a register-destination only, not a
4119 strict_low_part-destination.
4121 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4123 Backport from mainline:
4124 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4126 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
4128 2012-05-07 Jakub Jelinek <jakub@redhat.com>
4130 PR tree-optimization/53239
4131 * tree-vrp.c (get_value_range): Set VR of
4132 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
4135 2012-05-07 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/53195
4138 * tree-inline.c (setup_one_parameter): Properly add referenced
4139 vars from the parameters new known value.
4141 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4143 Backport from mainline:
4144 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4147 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
4150 2012-05-04 Ian Lance Taylor <iant@google.com>
4152 * tree-vect-patterns.c (vect_single_imm_use): Correct return
4153 values from false to NULL.
4155 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
4157 Backport from mainline
4158 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
4161 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
4162 (TARGET_CMOV): Rename from TARGET_CMOVE.
4163 (TARGET_CMOVE): New define.
4164 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
4165 Do not set TARGET_CMOVE here.
4167 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
4169 Backport from mainline:
4171 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
4173 PR tree-optimization/52633
4174 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
4175 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
4176 (vect_recog_over_widening_pattern): Remove handling of code that was
4177 already detected as over-widening pattern. Remove special handling
4178 of "unsigned" cases. Instead, support general case of conversion
4179 of the shift result to another type.
4181 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
4183 * tree-vect-patterns.c (vect_single_imm_use): New function.
4184 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
4185 (vect_recog_over_widening_pattern): Likewise.
4186 (vect_recog_widen_shift_pattern): Likewise.
4188 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
4190 PR tree-optimization/52870
4191 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
4192 presumed pattern statement is within the same loop or basic block.
4194 2012-05-04 Richard Guenther <rguenther@suse.de>
4196 * common.opt (flto-report): Do not mark as Optimization.
4198 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
4201 * recog.c (constrain_operands): If extra constraints are present, also
4202 accept pseudo-registers with equivalent memory locations during reload.
4204 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
4206 Backport from the mainline
4207 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
4210 * config/rs6000/rs6000.md (bswapdi splitters): If
4211 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
4212 default) is used, generate an alternate sequence that does not
4213 depend on using indexed addressing.
4215 2012-05-03 David S. Miller <davem@davemloft.net>
4218 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
4219 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
4220 (sparc_emit_float_lib_cmp): Likewise.
4222 2012-05-04 Martin Jambor <mjambor@suse.cz>
4224 Backport from mainline
4225 2012-05-02 Martin Jambor <mjambor@suse.cz>
4228 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
4229 of a variable when the contect is a function.
4231 2012-05-03 Jakub Jelinek <jakub@redhat.com>
4234 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
4235 append program name to it and pass that as first argument
4236 to make_relative_prefix. Always pass standard_libexec_prefix
4237 as last argument to make_relative_prefix. If
4238 make_relative_prefix returns NULL, fall back to
4239 standard_libexec_prefix.
4242 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
4246 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
4247 mode, return that mode.
4249 2012-05-03 Richard Guenther <rguenther@suse.de>
4251 PR tree-optimization/53144
4252 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
4254 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
4255 with SSA name values.
4256 (vn_reference_lookup_3): Adjust callers.
4258 2012-05-02 Jakub Jelinek <jakub@redhat.com>
4260 PR tree-optimization/53163
4261 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
4262 return value from compute_all_dependences.
4264 PR rtl-optimization/53160
4265 * ree.c (combine_reaching_defs): Handle the case where cand->insn
4266 has been modified by ree pass already.
4268 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
4270 Backport from mainline
4271 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
4274 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
4275 calls to cgraph_node_name in xstrdup.
4276 (ipa_make_edge_direct_to_target): Ditto.
4277 * tree-sra.c (convert_callers_for_node): Ditto.
4278 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
4279 * ipa-cp.c (perhaps_add_new_callers): Ditto.
4280 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
4281 (cgraph_materialize_all_clones): Ditto.
4282 * ipa-inline.c (report_inline_failed_reason): Ditto.
4283 (want_early_inline_function_p): Ditto.
4284 (edge_badness): Ditto.
4285 (update_edge_key): Ditto.
4286 (flatten_function): Ditto.
4287 (ipa_inline): Ditto.
4288 (inline_always_inline_functions): Ditto.
4289 (early_inline_small_functions): Ditto.
4291 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
4293 Backport from mainline
4294 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
4296 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
4297 Introduce emul_name to select the right linker emulation for
4298 powerpc64-*-freebsd*.
4299 * configure: Regenerate.
4300 * config.gcc: Add bits to support powerpc64-*-freebsd*.
4301 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
4302 * config/rs6000/freebsd64.h: New file.
4303 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
4305 (rs6000_savres_strategy): Likewise.
4306 (rs6000_savres_routine_name): Likewise.
4307 (rs6000_elf_file_end): Likewise.
4308 * config/rs6000/t-freebsd64: New file.
4309 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
4310 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
4312 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
4314 Backport from mainline
4315 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
4318 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
4320 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
4322 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
4323 predicate to discriminate types.
4325 2012-04-27 Richard Guenther <rguenther@suse.de>
4328 * convert.c (convert_to_integer): Avoid infinite recursion for
4329 target-defined built-in types.
4331 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
4334 * config/cris/cris.md ("*andhi_lowpart_v32")
4335 ("*andqi_lowpart_v32"): Change first input-only operand from
4336 a (match_operand ...) to (match_dup 0). Drop alternatives with
4337 const_int-matching constraints for redundancy.
4338 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
4339 three-operand alternative.
4341 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
4343 Backport from mainline
4344 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
4346 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
4347 (*addsi_2_zext): Ditto.
4348 (*add<mode>_3): Ditto.
4349 (*addsi_3_zext): Ditto.
4350 (*add<mode>_5): Ditto.
4352 2012-04-25 Jakub Jelinek <jakub@redhat.com>
4355 * c-typeck.c (set_nonincremental_init,
4356 set_nonincremental_init_from_string): Pass true instead of false
4357 as IMPLICIT to add_pending_init.
4359 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
4361 Backport from 2012-04-24 mainline r186768.
4364 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
4366 2012-04-24 Richard Guenther <rguenther@suse.de>
4368 PR tree-optimization/53085
4369 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
4372 2012-04-24 Jakub Jelinek <jakub@redhat.com>
4375 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
4377 (output_addressed_constants): Likewise.
4380 * varasm.c (get_section): Don't ICE for section conflicts with
4381 built-in section kinds.
4383 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
4385 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
4387 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
4389 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
4391 2012-04-23 Richard Guenther <rguenther@suse.de>
4394 * c-typeck.c (build_binary_op): Fix typo.
4396 2012-04-23 Jakub Jelinek <jakub@redhat.com>
4398 PR tree-optimizations/52891
4399 * tree-vect-patterns.c (adjust_bool_pattern): Use
4400 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
4401 but with non-standard precision.
4403 2012-04-22 Ian Lance Taylor <iant@google.com>
4405 * godump.c (go_output_typedef): Dump size of structs.
4407 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
4409 Backport from mainline:
4411 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
4412 hints for 'A' operand types.
4414 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
4416 Backport from 2012-04-19 mainline r186588.
4419 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
4420 the case *(X+const).
4422 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
4424 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4426 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
4429 * config/i386/sync.md (atomic_<code><mode>): Rename to
4430 atomic_<logic><mode>.
4432 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
4434 Backport from mainline
4435 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
4438 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
4439 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
4440 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
4441 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
4442 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
4443 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
4444 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
4445 gen_avx2_permvarv8sf.
4447 2012-04-16 Martin Jambor <mjambor@suse.cz>
4449 Backported from mainline
4451 2012-04-13 Martin Jambor <mjambor@suse.cz>
4454 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
4455 fold_ctor_reference returns a zero constant.
4457 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
4459 Backported from mainline
4460 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
4462 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
4463 and __ILP32__ for x32.
4465 2012-04-13 Tom de Vries <tom@codesourcery.com>
4467 Backport from mainline r186418.
4469 2012-04-13 Tom de Vries <tom@codesourcery.com>
4471 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
4472 parameters vuse and vuse_escaped.
4473 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
4474 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
4477 2012-04-13 Richard Guenther <rguenther@suse.de>
4479 PR tree-optimization/52969
4480 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
4481 the condition for the COND_EXPR and handle predicate negation
4482 by swapping the COND_EXPR arms.
4484 2012-04-13 Richard Guenther <rguenther@suse.de>
4487 * convert.c (convert_to_pointer): Remove special-casing of
4490 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4492 Backport from mainline
4493 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4496 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4497 the list of options to enable the FCFID instruction.
4498 (TARGET_EXTRA_BUILTINS): Adjust comment.
4500 2012-04-12 Richard Guenther <rguenther@suse.de>
4502 PR tree-optimization/52943
4503 * tree-chrec.h (chrec_is_positive): Remove.
4504 * tree-scalar-evolution.c (chrec_is_positive): Move ...
4505 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
4506 Return false for a constant zero instead of negative.
4507 (analyze_siv_subscript_cst_affine): Handle zero difference
4508 in the initial condition explicitely.
4510 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4513 * varasm.c (process_pending_assemble_externals): Set
4514 pending_assemble_externals_processed true.
4515 (assemble_external): Call assemble_external_real if the pending
4516 assemble externals have been processed.
4518 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
4521 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
4522 the DECL generated for the special GOT helper.
4524 2012-04-06 Walter Lee <walt@tilera.com>
4526 Backport from mainline
4527 2012-03-07 Walter Lee <walt@tilera.com>
4529 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
4530 REG_CFA_* notes for the stack pointer.
4531 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
4532 EH_RETURN_STACKADJ_RTX.
4533 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
4534 generate REG_CFA_* notes for the stack pointer.
4535 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
4536 by EH_RETURN_STACKADJ_RTX.
4538 2012-04-06 Matt Turner <mattst88@gmail.com>
4540 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
4542 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
4544 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
4545 of the destination isn't also a FP_REGS register.
4547 2012-04-03 Richard Guenther <rguenther@suse.de>
4549 Backport from mainline
4550 2012-03-02 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/52406
4553 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
4554 (struct indices): Add unconstrained_base member.
4555 (struct dr_alias): Remove unused vops member.
4556 (DR_UNCONSTRAINED_BASE): New define.
4557 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
4558 add indices to allow their disambiguation. Make DR_BASE_OBJECT
4559 be an artificial access that covers the whole indexed object,
4560 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
4561 plain decl base-objects to their MEM_REF variant.
4562 (dr_may_alias_p): When the base-object of either data reference
4563 has unknown size use only points-to information.
4564 (compute_affine_dependence): Make dumps easier to read and
4566 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
4567 DR_REF when looking for packed references.
4568 (vect_supportable_dr_alignment): Likewise.
4570 2012-04-03 Richard Guenther <rguenther@suse.de>
4572 Backport from mainline
4573 2012-03-15 Richard Guenther <rguenther@suse.de>
4576 * tree-data-ref.c (subscript_dependence_tester_1): Check
4577 all dimensions for non-conflicting access functions.
4579 2012-04-03 Richard Guenther <rguenther@suse.de>
4581 Backport from mainline
4582 2012-03-06 Richard Guenther <rguenther@suse.de>
4585 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
4587 2012-03-23 Richard Guenther <rguenther@suse.de>
4589 PR tree-optimization/52678
4590 * tree-vectorizer.h (struct _stmt_vec_info): Add
4591 loop_phi_evolution_part member.
4592 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
4593 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
4594 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
4595 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4596 Use the cached evolution part and the PHI nodes value from
4597 the loop preheader edge instead of re-analyzing the evolution.
4599 2012-03-26 Richard Guenther <rguenther@suse.de>
4601 PR tree-optimization/52701
4602 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
4603 compute and set the evolution part of PHI nodes.
4605 2012-03-30 Richard Guenther <rguenther@suse.de>
4607 PR tree-optimization/52754
4608 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
4609 propagate arbitrary addresses into really plain dereferences.
4611 2012-04-03 Jakub Jelinek <jakub@redhat.com>
4613 PR tree-optimization/52835
4614 * tree-data-ref.c (build_rdg): Return NULL if
4615 compute_data_dependences_for_loop failed.
4617 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
4619 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
4620 (stmt_can_make_abnormal_goto): Use it.
4621 (is_ctrl_altering_stmt): Likewise.
4623 2012-03-31 Martin Jambor <mjambor@suse.cz>
4625 Backported from mainline
4626 2012-03-30 Martin Jambor <mjambor@suse.cz>
4628 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
4629 is a builtin_stack_save in a dominating BB.
4631 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
4633 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
4634 crossing 128bit lane boundary.
4636 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
4638 Backported from mainline
4639 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
4642 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
4644 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
4645 * config/i386/i386.c: Include reload.h.
4646 (ix86_legitimize_reload_address): New function.
4648 2012-03-28 Martin Jambor <mjambor@suse.cz>
4650 Backported from mainline
4651 2012-03-27 Martin Jambor <mjambor@suse.cz>
4654 * tree-sra.c (sra_modify_assign): Do not call
4655 load_assign_lhs_subreplacements when working with an unscalarizable
4658 2012-03-28 Jakub Jelinek <jakub@redhat.com>
4661 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
4662 __builtin_va_start to __builtin_next_arg if the latter is
4663 builtin_decl_explicit_p rather than when it is not.
4666 * tree-vect-generic.c (vector_element): Perform multiplication
4667 for pos in bitsizetype type instead of idx type.
4669 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
4671 Backport from 2012-03-28 mainline r185910.
4674 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
4675 (avr_builtin_decl): New static function.
4676 (struct avr_builtin_description, avr_bdesc): Move up.
4677 Add GTY marker. Add field fndecl. Remove redundant field id.
4678 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
4679 (avr_expand_builtin): Code cleanup because .id is removed.
4681 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
4684 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
4687 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
4689 Backport from 2012-03-28 mainline r185907.
4692 * config.gcc (tm_file): Remove avr/multilib.h.
4694 * doc/invoke.texi (AVR Options): Adjust
4695 documentation of -mtiny-stack.
4697 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
4698 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
4699 * config/avr/t-avr: Remove generation of multilib.h.
4700 * config/avr/t-multilib: Regenerate.
4701 * config/avr/multilib.h: Remove.
4702 * config/avr/avr.opt (-msp8): New option.
4703 (avr_sp8): New variable.
4704 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
4705 * config/avr/avr.h (AVR_HAVE_SPH): New define.
4706 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
4707 (avr_device_to_sp8): New prototype.
4708 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
4709 (DRIVER_SELF_SPECS): New define.
4710 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
4711 __AVR_SP8__, __AVR_HAVE_SPH__.
4712 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
4713 AVR_HAVE_8BIT_SP to decide if SP_H is present.
4714 (avr_file_start): Ditto.
4716 2012-03-28 Jakub Jelinek <jakub@redhat.com>
4719 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
4720 instead of 8 in adjust_address.
4722 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
4724 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
4725 of a unit before computing the offset in units.
4727 2012-03-27 Richard Guenther <rguenther@suse.de>
4730 * fold-const.c (try_move_mult_to_index): Handle &x.array more
4733 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
4736 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
4738 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
4741 * varasm.c: Include pointer-set.h.
4742 (pending_assemble_externals_set): New pointer set.
4743 (process_pending_assemble_externals): Destroy the pointer set.
4744 (assemble_external): See if decl is in pending_assemble_externals_set,
4745 and add it to pending_assemble_externals if necessary.
4746 (init_varasm_once): Allocate pending_assemble_externals_set.
4748 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4750 Backported from mainline
4751 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
4754 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
4755 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
4756 (vector_ltgt<mode>): Likewise.
4757 (vector_ordered<mode>): Likewise.
4758 (vector_unordered<mode>): Likewise.
4759 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
4761 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
4763 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
4766 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
4768 Backported from mainline
4769 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
4773 * config/sh/sh.c (sh_register_move_cost): Increase cost between
4774 GENERAL_REGS and FP_REGS for SImode.
4776 2012-03-22 Jakub Jelinek <jakub@redhat.com>
4779 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
4780 on any new_local_var_chain vars declared during recursing on
4781 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
4783 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
4785 Backport from 2012-03-22 mainline r185692.
4788 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
4789 (unspecv): Add UNSPECV_MEMORY_BARRIER.
4790 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
4791 (delay_cycles_1, delay_cycles_2): Ditto.
4792 (delay_cycles_3, delay_cycles_4): Ditto.
4793 (nopv, *nopv): Ditto.
4794 (sleep, *sleep): Ditto.
4797 Backport from 2012-03-21 mainline r185605.
4799 PR rtl-optimization/52543
4801 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
4802 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
4803 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
4804 (avr_load_libgcc_p): Restrict to __flash loads.
4805 (avr_out_lpm): Only handle 1-byte loads from __flash.
4806 (avr_load_lpm): New function.
4807 (avr_find_unused_d_reg): Remove.
4808 (avr_out_lpm_no_lpmx): Remove.
4809 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
4810 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
4811 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
4812 (load_<mode>, load_<mode>_clobber): New insns.
4813 (mov<mode>): For multi-byte move from non-generic
4814 16-bit address spaces: Expand to load_<mode> resp.
4815 load_<mode>_clobber.
4816 (load<mode>_libgcc): Remove expander.
4817 (split-lpmx): Remove split.
4819 Backport from 2012-03-13 mainline r185329.
4822 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
4823 offset (size) to a value the insns can deal with.
4824 (expand_epilogue): Ditto.
4826 Backport from 2012-03-12 mainline r185256.
4829 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
4830 type from reg_class_t to enum reg_class.
4831 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
4833 Backport from 2012-03-12 mainline r185253.
4836 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
4837 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
4838 r184615 from 2012-02-28.
4840 Backport from 2012-03-08 mainline r185105.
4842 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
4843 for constants in [-63,63].
4845 Backport from 2012-03-08 mainline r185100.
4848 * config/avr/avr.c (avr_mem_clobber): New static function.
4849 (avr_expand_delay_cycles): Add memory clobber operand to
4850 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
4851 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
4852 (enable_interrupt, disable_interrupt): New expander.
4853 (nopv, sleep, wdr): New expanders.
4854 (delay_cycles_1): Add memory clobber.
4855 (delay_cycles_2): Add memory clobber.
4856 (delay_cycles_3): Add memory clobber.
4857 (delay_cycles_4): Add memory clobber.
4858 (cli_sei): New insn from former "enable_interrupt",
4859 "disable_interrupt" with memory clobber.
4860 (*wdt): New insn from former "wdt" with memory clobber.
4861 (*nopv): Similar, but for "nopv".
4862 (*sleep): Similar, but for "sleep".
4864 Backport from 2012-03-07 mainline r185043.
4867 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
4869 Backport from 2012-03-07 mainline r185032.
4872 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
4873 to: RAMPZ, RAMPY, RAMPX, RAMPD.
4874 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
4876 Backport from 2012-03-07 mainline r185031.
4879 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
4881 * config/avr/avr.md (xload_8): Adjust insn length.
4883 Backport from 2012-03-07 mainline r185030.
4886 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
4887 if RAMPZ affects reading from RAM.
4889 Backport from 2012-03-05 mainline r184919.
4891 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
4893 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
4895 Backport from mainline r185259.
4898 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
4899 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
4901 2012-03-22 Jakub Jelinek <jakub@redhat.com>
4903 Backported from mainline
4904 2012-03-13 Jakub Jelinek <jakub@redhat.com>
4907 * c-parser.c (c_parser_postfix_expression)
4908 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
4910 * config/i386/smmintrin.h: Avoid /* within a comment.
4911 * config/i386/nmmintrin.h: Likewise.
4913 2012-03-22 Richard Guenther <rguenther@suse.de>
4915 * BASE-VER: Set to 4.7.1.
4916 * DEV-PHASE: Set to prerelease.
4918 2012-03-22 Release Manager
4920 * GCC 4.7.0 released.
4922 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4924 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
4926 2012-03-15 Jakub Jelinek <jakub@redhat.com>
4927 Andrew Pinski <apinski@cavium.com>
4930 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
4931 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
4932 calls instead of __builtin_ir{int,ound}*.
4934 2012-03-14 Jakub Jelinek <jakub@redhat.com>
4937 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
4940 2012-03-13 Joseph Myers <joseph@codesourcery.com>
4942 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
4943 Refer to GCC 4.7 version of c99status.html.
4945 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4947 Backport from mainline
4948 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4950 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
4951 redefine to be NULL if the current bit-size is different from the
4952 configured bit-size.
4954 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
4955 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
4956 set the default tuning. Add asserts to make sure the cpu and tune
4957 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
4958 test whether the index is set, instead of > 0.
4959 (rs6000_file_start): Do not reset the default cpu if the current
4960 bit-size is different from the configured bit-size.
4962 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4964 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
4966 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
4967 Update binutils references.
4968 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
4969 Update binutils reference.
4970 Update Sun as/GNU ld caveat.
4971 Document binutils largefile requirement for LTO plugin.
4972 Remove reference to alternate libpthread.
4974 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4976 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
4978 (Specific, mips-sgi-irix6): Likewise.
4980 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4982 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
4983 * configure: Regenerate.
4985 2012-03-07 Richard Henderson <rth@redhat.com>
4987 * config/m68k/m68k.h (ISA_HAS_TAS): New.
4988 * config/m68k/sync.md (atomic_test_and_set): Use it.
4989 (atomic_test_and_set_1): Likewise.
4991 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
4994 * Makefile.in: Let install-gcc-ar depend on installdirs,
4995 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
4996 Don't double canonicalize if cross-compiling.
4998 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
5000 * trans-mem.c: New typedef for tm_region_p.
5001 Define vector types for tm_region_p.
5002 (tm_region_init): Replace region_worklist to a vector called
5005 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
5008 * trans-mem.c (tm_region_init): Use last_basic_block.
5010 2012-03-05 Richard Henderson <rth@redhat.com>
5013 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
5014 * omp-low.c (expand_omp_atomic): Assume anything aligned to
5015 BIGGEST_ALIGNMENT is aligned.
5017 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
5019 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
5021 2012-03-05 Richard Henderson <rth@redhat.com>
5024 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
5025 instead of calling negqi2 directly.
5027 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5029 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
5030 (INTMAX_TYPE): Use it.
5031 (UINTMAX_TYPE): Likewise.
5032 (SUBTARGET_OVERRIDE_OPTIONS): Define.
5033 (irix6_c_common_override_options): Declare.
5034 (C_COMMON_OVERRIDE_OPTIONS): Define.
5035 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
5036 * config/mips/irix6-c.c: New file.
5037 * config/mips/t-irix6 (irix6-c.o): New target.
5038 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
5041 2012-03-02 Richard Henderson <rth@redhat.com>
5043 * optabs.c (expand_atomic_test_and_set): Honor
5044 atomic_test_and_set_trueval even when atomic_test_and_set
5045 optab is not in use.
5047 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
5049 Backport from mainline
5050 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
5052 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
5054 2012-03-02 Richard Guenther <rguenther@suse.de>
5056 * DEV-PHASE: Set to prerelease.
5058 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
5060 * config.gcc (obsolete): Add all ARM targets using the FPA.
5061 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
5062 * doc/install.texi: Avoid references to obsolete ARM ports.
5064 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
5066 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
5068 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
5069 Joern Rennecke <joern.rennecke@embecosm.com>
5071 * doc/extend.texi: Expand and update information on interrupt
5072 attribute for Epiphany.
5074 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
5076 * config/sh/sh-protos.h: Update copyright notice dates.
5077 * config/sh/sh.h: Likewise.
5078 * config/sh/sh.md: Likewise.
5079 * config/sh/constraints.md: Likewise.
5080 * config/sh/predicates.md: Likewise.
5082 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
5084 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
5085 * config/sh/sh.c (tertiary_reload_operand): Likewise.
5087 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
5089 * config/sh/constraints.md: Fix comment typo.
5091 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5094 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
5095 unsigned HOST_WIDE_INT.
5096 (zvdep_imm64): Likewise.
5097 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
5098 (vdepi_and): Likewise.
5099 Likewise for unamed 64-bit patterns.
5100 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
5102 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
5105 PR rtl-optimization/52417
5106 * cselib.c (cselib_any_perm_equivs): New variable.
5107 (cselib_reset_table): Check that it's not set when not
5108 preserving constants.
5109 (cselib_add_permanent_equiv): Set it.
5110 (cselib_have_permanent_equivalences): New.
5111 (cselib_init, cselib_finish): Reset it.
5112 * cselib.h (cselib_have_permanent_equivalences): Declare.
5113 * alias.c (get_addr): Restore earlier behavior when there
5114 aren't permanent equivalences.
5116 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
5118 * config/mn10300/mn10300-modes.def: Fix copyright notice.
5119 * config/v850/v850-modes.def: Fix copyright notice.
5121 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
5123 * doc/extend.texi (AVR Built-in Functions): Document
5124 __builtin_avr_flash_segment.
5126 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
5127 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
5128 (*split.flash_segment): New insn-and-split.
5129 * config/avr/avr.c (avr_init_builtins): Add local variables:
5130 const_memx_void_node, const_memx_ptr_type_node,
5131 char_ftype_const_memx_ptr.
5133 2012-03-01 Jakub Jelinek <jakub@redhat.com>
5135 PR tree-optimization/52445
5136 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
5137 add ssa_name_ver, offset and size fields and change store field
5139 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
5140 (add_or_mark_expr): Likewise. Only consider previous stores
5141 with the same size and offset.
5142 (nt_init_block): Only look at gimple_assign_single_p stmts,
5143 doesn't look at rhs2.
5145 2012-03-01 Richard Guenther <rguenther@suse.de>
5148 * tree-cfg.c (verify_gimple_assign_unary): Allow any
5149 conversions from integral types to pointer types.
5151 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
5153 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
5154 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
5155 unintentionally removed in r184616.
5157 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
5159 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
5162 2012-02-29 Jakub Jelinek <jakub@redhat.com>
5163 Uros Bizjak <ubizjak@gmail.com>
5166 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
5167 alternatives, add "e" constraint to the new last alternative
5168 and ! to last 3 alternatives.
5170 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
5172 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
5173 DW_AT_artificial attributes at the end of the processing.
5174 (gen_array_type_die): Likewise.
5175 (gen_enumeration_type_die): Likewise.
5176 (gen_struct_or_union_type_die): Likewise.
5177 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
5180 2012-02-29 Jakub Jelinek <jakub@redhat.com>
5183 * expr.c (expand_assignment): If doing misaligned store that doesn't
5184 cover all mode bits, perform a RMW cycle.
5186 PR tree-optimization/52429
5187 * tree-parloops.c (separate_decls_in_region_debug): Return early
5188 if var is LABEL_DECL.
5190 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5192 PR tree-optimization/52424
5193 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
5194 calling dom_thread_across_edge.
5196 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
5198 * config/avr/avr.c: Move definition of TARGET macros to end of file.
5200 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
5202 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
5203 * config/avr/avr.c (avr_output_bld): Remove unused function.
5204 (avr_out_sbxx_branch): Use "%T" to print bit position.
5206 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
5208 * config/avr/avr.md: Untabify.
5210 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
5212 * config/avr/avr.md (eqne): New code iterator.
5213 (*dec-and-branchsi): Use it in text peephole's condition.
5214 (*dec-and-branchhi): Ditto.
5215 (*dec-and-branchqi): Ditto.
5217 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
5220 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
5221 the device does not have the skip-bug.
5223 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
5225 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
5226 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
5227 -mpretend-cmove): New.
5229 2012-02-29 Jakub Jelinek <jakub@redhat.com>
5232 * df.h (struct df_d): Adjust comment that hard_regs_live_count
5233 doesn't count DEBUG_INSN refs.
5234 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
5235 for DEBUG_INSN refs.
5237 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5241 2012-02-20 Richard Guenther <rguenther@suse.de>
5242 PR tree-optimization/52298
5243 * tree-vect-stmts.c (vectorizable_load): Properly use
5244 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
5247 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
5250 * gimple.h (gimple_in_transaction): New.
5251 (gimple_set_in_transaction): New.
5252 (struct gimple_statement_base): Add in_transaction field.
5253 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
5255 (tree_ssa_lim_initialize): Compute transaction bits.
5256 * tree.h (compute_transaction_bits): Protoize.
5257 * trans-mem.c (tm_region_init): Use the heap to store BB
5259 (compute_transaction_bits): New.
5261 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5263 * gcc.c (display_help): Document --help=common and sort entries
5266 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5268 * doc/install.texi: Document check-$LANG specific shortcuts
5270 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5273 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
5275 * config/arm/arm_neon.h: Regenerate.
5276 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
5277 (neon_vcgeu): New insn.
5278 (neon_vcgtu): Likewise.
5279 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
5280 (ops): Unsigned comparison intrinsics call a different
5283 2012-02-28 Richard Guenther <rguenther@suse.de>
5286 * config/i386/i386.c (ix86_expand_vector_set): Fix element
5287 ordering for the VEC_CONCAT for two element vectors for
5288 V2SFmode, V2SImode and V2DImode.
5290 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
5293 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
5294 detecting big-endian triplets.
5296 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
5298 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
5299 mode if there is no type information available.
5301 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
5303 PR tree-optimization/53207
5304 * doc/invoke.texi: Document as experimental and relying on graphite.
5306 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
5308 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
5309 of initializer to changes from r184614.
5311 2012-02-28 Richard Guenther <rguenther@suse.de>
5313 PR tree-optimization/52395
5314 * tree-sra.c (build_ref_for_offset): Also look at the base
5315 TYPE_ALIGN when figuring out the alignment of the replacement.
5317 2012-02-28 Richard Guenther <rguenther@suse.de>
5319 PR tree-optimization/52402
5320 * ipa-prop.c (ipa_modify_call_arguments): Properly use
5321 mis-aligned types when creating the accesses at the call site.
5323 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
5325 * config/avr/builtins.def: New file.
5326 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
5327 * config/avr/avr.c (enum avr_builtin_id): Use it.
5328 (avr_init_builtins): Use it. And use avr_bdesc.
5329 (bdesc_1arg): Remove.
5330 (bdesc_2arg): Remove.
5331 (bdesc_3arg): Remove.
5332 (struct avr_builtin_description): Add field n_args.
5333 (avr_bdesc): New static variable using builtins.def.
5334 (avr_expand_builtin): Use it.
5335 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
5336 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
5337 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
5339 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
5342 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
5343 match only one single hard register with respective hard reg rtx.
5344 (movmemx_<mode>): Ditto.
5345 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
5346 insn anatomy of movmem[x]_<mode>.
5347 (avr_out_movmem): Same for printing assembler and operand usage.
5349 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
5353 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
5354 address spaces located outside of device flash.
5356 * config/avr/avr.h (base_arch_s): Remove field n_segments.
5357 (mcu_type_s): Add field n_flash.
5358 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
5359 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
5360 (AVR_MCU): Add N_FLASH argument.
5361 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
5362 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
5363 macro __FLASH<n> if that address space makes sense for the device.
5364 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
5365 outside of target flash.
5366 (avr_asm_named_section): Ditto.
5367 (avr_asm_select_section): Ditto.
5368 (avr_addr_space_convert): Ditto.
5369 (avr_emit_movmemhi): Ditto.
5370 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
5371 address space is outside of device flash.
5372 (avr_insert_attributes): Ditto.
5373 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
5374 avr_current_arch->n_segments.
5376 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
5379 * config/i386/i386.md (*movabs<mode>_1): Enable only for
5381 (*movabs<mode>_2): Likewise.
5383 2012-02-27 Jakub Jelinek <jakub@redhat.com>
5386 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
5387 s_register_operand in the test instead of REG_P. Don't call
5388 gen_reg_rtx if it won't be used.
5390 PR tree-optimization/52376
5391 * ipa-split.c (split_function): Ignore CLOBBER stmts.
5393 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
5395 * ifcvt.c (noce_get_condition): Check condition variable is not
5396 small_register_classes_for_mode_p before accepting.
5398 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
5400 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
5402 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5405 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5406 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5408 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5410 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
5412 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
5414 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
5416 * config/sh/predicates.md: Remove blank lines.
5417 * config/sh/sh.c: Fix typos in comments.
5418 * config/sh/constraints.md: Likewise.
5419 * config/sh/sh.md: Remove blank lines.
5420 Fix typos in comments. Use ;; as comment characters.
5422 2012-02-26 Walter Lee <walt@tilera.com>
5424 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
5425 (replace_mov_pcrel_step2): Ditto.
5427 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
5430 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
5431 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
5432 and locs that reference values newer than the non-canonical value
5433 at hand. Return the canonical value as a worst case.
5434 (memrefs_conflict_p): Walk canonical value's locs.
5437 * cselib.c (preserve_only_constants): Rename to...
5438 (preserve_constants_and_equivs): ... this. Split out...
5439 (invariant_or_equiv_p): ... this. Preserve plus expressions
5440 of other preserved expressions too.
5441 (cselib_reset_table): Adjust.
5442 * var-tracking.c (reverse_op): Use canonical value to build
5445 2012-02-23 Kai Tietz <ktietz@redhat.com>
5447 * config/i386/i386.c (ix86_delegitimize_address): Handle
5448 UNSPEC_PCREL plus displacement.
5450 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
5453 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
5454 to test for unusedness in st X addressing.
5456 2012-02-24 Richard Guenther <rguenther@suse.de>
5459 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
5460 (is_gimple_reg_type): Move inline ...
5461 * gimple.h (is_gimple_reg_type): ... here.
5463 2012-02-24 Richard Guenther <rguenther@suse.de>
5466 * passes.c (execute_function_todo): When verifying SSA form
5467 verify gimple form first.
5468 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
5470 2012-02-24 Richard Guenther <rguenther@suse.de>
5473 * fold-const.c (fold_addr_of_array_ref_difference): New function.
5474 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
5476 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5478 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
5480 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5482 * tree-phinodes.c (make_phi_node): Mark static.
5483 * tree-flow.h (make_phi_node): Remove extern decl.
5484 * doc/gimple.texi (make_phi_node): Remove documentation.
5486 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5488 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
5489 * tree-ssa-sccvn.c (print_scc): Ditto.
5491 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5493 * doc/passes.texi (Full redundancy elimination): Fix typo.
5495 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5497 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
5499 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
5502 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
5504 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
5507 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
5509 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
5511 * config/avr/avr.md (code_stdname): Add ior, xor.
5512 (xior): New code iterator.
5513 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
5514 (*<code_stdname><mode>qi.byte1-3): Ditto.
5516 2012-02-23 Jakub Jelinek <jakub@redhat.com>
5518 PR tree-optimization/52019
5519 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
5522 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5524 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
5525 HAVE_INITFINI_ARRAY to work around namespace pollution in
5526 certain versions of newlib system headers.
5527 * config.in: Regenerate.
5528 * configure: Regenerate.
5529 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
5530 instead of HAVE_INITFINI_ARRAY.
5532 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
5535 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
5536 is not offsettable memory reference.
5538 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5541 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
5542 setting avr_need_clear_bss_p for __gnu_lto* symbols.
5544 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5546 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
5547 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
5549 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5551 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
5552 library on Solaris 8 even without TLS support.
5553 * configure: Regenerate.
5555 2012-02-22 Richard Guenther <rguenther@suse.de>
5558 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
5559 for GIMPLE_DEBUG stmts.
5561 2012-02-22 Martin Jambor <mjambor@suse.cz>
5564 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
5565 according to the base object.
5567 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5569 PR rtl-optimization/50063
5570 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
5571 and 2 (8-bit SP) in operand 2.
5572 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
5573 setup to use movhi_sp_r instead of vanilla move to write SP.
5574 Adjust REG_CFA notes to superseed unspec.
5575 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
5577 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
5578 known to be off) only with TARGET_NO_INTERRUPTS. Never use
5579 irq_state 1 (IRQ known to be on) here.
5581 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
5583 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
5585 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
5586 assign_hard_reg): Likewise.
5588 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5590 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
5592 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5595 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
5596 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
5598 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5600 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
5601 prototype from here to...
5602 * config/avr/avr.h: ...here.
5604 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
5607 * thumb2.md (thumb2_shiftsi3_short): Split register and
5608 immediate shifts. For register shifts tie operands 0 and 1.
5609 (peephole2 for above): Check that register-controlled shifts
5610 have suitably tied operands.
5612 2012-02-21 Quentin Neill <quentin.neill@amd.com>
5615 * config/i386/bdver1.md (bdver1_call, bdver1_push,
5616 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
5617 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
5618 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
5619 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
5620 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
5621 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
5622 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
5623 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
5624 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
5625 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
5626 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
5627 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
5628 bdver1_ssevector_avx256_unaligned_load,
5629 bdver1_ssevector_sse128_unaligned_load,
5630 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
5631 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
5632 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
5633 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
5634 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
5635 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
5636 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
5637 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
5638 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
5639 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
5640 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
5641 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
5642 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
5643 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
5644 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
5645 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
5646 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
5647 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
5648 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
5649 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
5650 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
5651 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
5652 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
5653 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
5654 bdver1_ssediv_double_load, bdver1_ssediv_double,
5655 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
5656 Add "bdver2" attribute.
5658 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5660 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
5661 default if possible and not specified otherwise.
5663 2012-02-21 Richard Guenther <rguenther@suse.de>
5666 * gimplify.c (create_tmp_from_val): Use the main variant type
5667 for the type of the temporary we create.
5669 2012-02-21 Richard Guenther <rguenther@suse.de>
5671 PR tree-optimization/52324
5672 * gimplify.c (gimplify_expr): When re-gimplifying expressions
5673 do not gimplify a MEM_REF address operand if it is already
5676 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5678 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
5679 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
5681 2012-02-21 Richard Guenther <rguenther@suse.de>
5683 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
5684 nested_in_vect_loop.
5686 2012-02-21 Jakub Jelinek <jakub@redhat.com>
5688 PR tree-optimization/52318
5689 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
5690 vdef also to non-pure/const call stmts in the sequence.
5692 2012-02-20 David S. Miller <davem@davemloft.net>
5694 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
5695 don't use the "rd %pc" instruction on v9 for PIC register loads.
5697 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
5700 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
5701 in a transaction safe function.
5703 2012-02-20 Kai Tietz <ktietz@redhat.com>
5706 * stor-layout.c (place_field): Handle desired_align for
5709 2012-02-20 Richard Guenther <rguenther@suse.de>
5711 PR tree-optimization/52298
5712 * tree-vect-stmts.c (vectorizable_store): Properly use
5713 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
5715 (vectorizable_load): Likewise.
5716 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
5717 Access DR_STEP after ensuring it is not NULL.
5719 2012-02-20 Jakub Jelinek <jakub@redhat.com>
5721 PR tree-optimization/52286
5722 * fold-const.c (fold_binary_loc): For (X & C1) | C2
5723 optimization use double_int_to_tree instead of build_int_cst_wide,
5724 rewrite to use double_int vars.
5726 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5729 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
5731 Remove -e 0 from $gcc_cv_ld invocation.
5732 Only use __GLIBC_PREREQ if defined.
5733 Enable on Solaris since Solaris 8 patch.
5734 (gcc_SUN_LD_VERSION): New macro.
5735 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
5736 gcc_SUN_LD_VERSION for version number format.
5737 * configure: Regenerate.
5738 * varasm.c (get_elf_initfini_array_priority_section): Set
5739 SECTION_NOTYPE for non-default priority.
5740 Use get_section instead of get_unnamed_section to emit
5741 .init_array/.fini_array with default priority.
5743 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
5745 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
5746 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
5747 (mips_start_unique_function, mips_output_mips16_rdhwr)
5748 (mips_code_end): New functions.
5749 (TARGET_ASM_CODE_END): Define.
5751 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
5753 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
5754 to stubs with non-sibling calls.
5756 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
5758 * doc/invoke.texi (-fira-* options): Copy-edit.
5759 (ira-* parameters): Copy-edit.
5761 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
5763 * doc/invoke.texi: Minor copy-edits to bring into conformance with
5764 GCC coding conventions.
5766 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
5768 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
5769 when used as adjectives.
5771 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
5773 * doc/invoke.texi: Clean up "that"/"which" confusion.
5775 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
5777 * system.h: Poison SMALL_REGISTER_CLASSES
5778 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
5779 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
5781 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5783 PR tree-optimization/52285
5784 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
5785 when deciding if a call is a tail call or tail recursion.
5787 2012-02-16 Kai Tietz <ktietz@redhat.com>
5789 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
5790 interger-constant displacement for UNSPEC_PCREL.
5792 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5794 PR rtl-optimization/52208
5795 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
5796 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
5798 PR tree-optimization/52255
5799 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
5800 loop->header has virtual PHI, but exit_e->dest doesn't, add
5801 virtual PHI to exit_e->dest and adjust all uses after the loop.
5804 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
5805 children with clone_tree_hash, not after it.
5807 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
5809 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
5810 extended identifiers.
5812 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5815 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
5816 a same_body_alias, also test whether e->callee isn't a former
5817 or current clone of the decl this is a same body alias of.
5819 PR translation/52264
5820 * cgraphunit.c (verify_cgraph_node): Fix a typo.
5822 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
5824 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
5826 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
5829 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
5830 force_reg instead of copy_to_reg for better optimization. Force
5831 non-register or memory operands into a register.
5833 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
5835 * extend.texi: Reserve upper bits of memory model for future use.
5837 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
5838 Anatoly Sokolov <aesok@post.ru>
5839 Eric Weddington <eric.weddington@atmel.com>
5842 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
5843 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
5844 Rewrite initializers for .macro.
5845 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
5846 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
5847 atxmega32d4, atxmega32x1.
5848 avrxmega4: atxmega64a3, atxmega64d3.
5849 avrxmega5: atxmega64a1, atxmega64a1u.
5850 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
5851 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
5852 avrxmega7: atxmega128a1, atxmega128a1u.
5853 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
5854 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
5855 (struct base_arch_s): Rename reserved to xmega_p.
5856 Rename reserved2 to have_rampd.
5857 (AVR_XMEGA): New define.
5858 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
5859 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
5860 * config/avr/predicates.md (io_address_operand): Take into
5862 (low_io_address_operand): Ditto.
5863 (high_io_address_operand): Ditto.
5864 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
5865 (enabled, movhi_sp_r): Use them.
5866 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
5867 cpp_define_formatted to built-in define __AVR_ARCH__.
5868 (__AVR_XMEGA__): New built-in define.
5869 (__AVR_HAVE_RAMPD__): New built-in define.
5870 (__AVR_HAVE_RAMPX__): New built-in define.
5871 (__AVR_HAVE_RAMPY__): New built-in define.
5872 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
5874 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
5875 (avr_option_override): Initialize them.
5876 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
5877 (avr_init_expanders): Initialize them. No more block several calls.
5878 (emit_push_sfr): New static function.
5879 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
5881 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
5882 (avr_print_operand): Print addreeses as symbols for
5883 RAMPX, RAMPY, RAMPD, CCP.
5884 (output_movhi): Handle AVR_XMEGA when writing to SP.
5885 (avr_out_movhi_mr_r_xmega): New static function.
5886 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
5887 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
5888 __RAMPD__, __CCP__ as needed.
5890 * config/avr/multilib.h: Regenerate.
5891 * config/avr/t-multilib: Regenerate.
5892 * config/avr/avr-tables.opt: Regenerate.
5894 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
5896 PR tree-optimization/50561
5897 * graphite-flattening.c (lst_project_loop): Do not
5898 remove old scattering dimensions after flattening.
5899 (lst_do_flatten): Likewise.
5901 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
5903 * doc/extend.texi (AVR Built-in Functions): Remove doc for
5904 __builtin_avr_map8, __builtin_avr_map16.
5905 Document __builtin_avr_insert_bits.
5907 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
5908 (insert_bits): New insn.
5909 (adjust_len.map_bits): Rename to insert_bits.
5910 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
5911 * avr-protos.h (avr_out_map_bits): Remove.
5912 (avr_out_insert_bits, avr_has_nibble_0xf): New.
5913 * config/avr/constraints.md (Cxf,C0f): New.
5914 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
5915 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
5916 New built-in define __BUILTIN_AVR_INSERT_BITS.
5917 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
5918 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
5919 (avr_move_bits): Rewrite.
5920 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
5922 (avr_map_op_t): New typedef.
5923 (avr_map_op): New static variable.
5924 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
5925 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
5926 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
5927 (bdesc_3arg, avr_expand_triop_builtin): New.
5928 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
5929 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
5930 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
5931 (avr_map_equal_p, avr_map_sig_p): Remove.
5932 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
5933 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5934 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
5935 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5936 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
5937 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5939 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
5941 * config/c6x/c6x.md (reserve_cycles): New attribute.
5942 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
5943 don't reserve functional units after the branch occurs.
5945 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
5948 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
5949 functions into non-tm_pure functions.
5951 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
5954 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
5955 (iterative_hash_canonical_type): Likewise.
5956 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
5959 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
5961 * haifa-sched.c (prune_ready_list): Ensure that if there is a
5962 sched-group insn, it either remains alone or the entire list is pruned.
5964 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
5966 * doc/install.texi (Prerequisites): Fix grammar.
5967 (Configuration): Likewise.
5969 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
5971 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
5972 MPC as part of GCC before describing configuring with --with-gmp etc.
5973 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
5974 sources are present.
5976 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5979 * dwarf2out.c (clone_tree_hash): New function.
5980 (copy_decls_walk): Use it instead of clone_tree.
5982 2012-02-14 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/52244
5985 PR tree-optimization/51528
5986 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
5987 replacements for integral types.
5989 2012-02-14 Walter Lee <walt@tilera.com>
5991 * config.gcc: Handle tilegx and tilepro.
5992 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
5994 Add HAVE_AS_TLS check for tilegx and tilepro.
5995 * configure: Regenerate.
5996 * doc/contrib.texi: Add Mat Hostetter and self.
5997 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
5998 Document instruction intrinsics and network accessing intrinsics.
5999 (TILEPro Built-in Functions): New node. Document instruction
6000 intrinsics and network accessing intrinsics.
6001 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
6002 (Specific, tilepro-*-linux*): Likewise.
6003 * doc/invoke.texi (TILE-Gx Options): New section.
6004 (TILEPro Options): New section.
6005 * doc/md.texi (TILE-Gx): New section.
6006 (TILEPro): New section.
6007 * common/config/tilegx/tilegx-common.c: New file.
6008 * common/config/tilepro/tilepro-common.c: New file.
6009 * config/tilegx/constraints.md: New file.
6010 * config/tilegx/linux.h: New file.
6011 * config/tilegx/mul-tables.c: New file.
6012 * config/tilegx/predicates.md: New file.
6013 * config/tilegx/sync.md: New file.
6014 * config/tilegx/t-tilegx: New file.
6015 * config/tilegx/tilegx-builtins.h: New file.
6016 * config/tilegx/tilegx-c.c: New file.
6017 * config/tilegx/tilegx-generic.md: New file.
6018 * config/tilegx/tilegx-modes.def: New file.
6019 * config/tilegx/tilegx-multiply.h: New file.
6020 * config/tilegx/tilegx-protos.h: New file.
6021 * config/tilegx/tilegx.c: New file.
6022 * config/tilegx/tilegx.h: New file.
6023 * config/tilegx/tilegx.md: New file.
6024 * config/tilegx/tilegx.opt: New file.
6025 * config/tilepro/constraints.md: New file.
6026 * config/tilepro/gen-mul-tables.cc: New file.
6027 * config/tilepro/linux.h: New file.
6028 * config/tilepro/mul-tables.c: New file.
6029 * config/tilepro/predicates.md: New file.
6030 * config/tilepro/t-tilepro: New file.
6031 * config/tilepro/tilepro-builtins.h: New file.
6032 * config/tilepro/tilepro-c.c: New file.
6033 * config/tilepro/tilepro-generic.md: New file.
6034 * config/tilepro/tilepro-modes.def: New file.
6035 * config/tilepro/tilepro-multiply.h: New file.
6036 * config/tilepro/tilepro-protos.h: New file.
6037 * config/tilepro/tilepro.c: New file.
6038 * config/tilepro/tilepro.h: New file.
6039 * config/tilepro/tilepro.md: New file.
6040 * config/tilepro/tilepro.opt: New file.
6042 2012-02-14 Jakub Jelinek <jakub@redhat.com>
6044 PR tree-optimization/52210
6045 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
6046 vect_model_simple_cost with two entry vect_def_type array instead
6047 of an address of dt.
6049 2012-02-14 Richard Guenther <rguenther@suse.de>
6052 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
6053 Do not stream DECL_QUALIFIER.
6054 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
6055 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
6056 (find_decls_types_r): Do not walk DECL_QUALIFIER.
6058 2012-02-14 Jakub Jelinek <jakub@redhat.com>
6061 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
6064 2012-02-13 Jakub Jelinek <jakub@redhat.com>
6067 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
6068 * cselib.c (cselib_subst_to_values_from_insn): New function.
6069 * sched-deps.c (add_insn_mem_dependence,
6070 sched_analyze_1, sched_analyze_2): Use it.
6072 2012-02-13 Jan Hubicka <jh@suse.cz>
6075 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
6077 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
6079 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
6080 (GTM_SELF_SPECS): Define if not already defined.
6081 (driver_self_specs): Add GTM_SELF_SPECS.
6082 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
6083 (GTM_SELF_SPECS): Define.
6084 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
6085 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
6087 2012-02-13 Jakub Jelinek <jakub@redhat.com>
6089 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
6092 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
6095 * omp-low.c (expand_omp_for): If a static schedule without chunk size
6096 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
6098 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
6101 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
6103 2012-02-13 Richard Guenther <rguenther@suse.de>
6105 PR translation/52211
6106 * passes.c (enable_disable_pass): Fix typo.
6108 2012-02-13 Jakub Jelinek <jakub@redhat.com>
6111 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
6112 XOR for reduce_bit_field if type is unsigned.
6114 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
6116 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
6117 disallow changes from SFmode to mode with different size in FP regs.
6119 2012-02-12 Robert Millan <rmh@gnu.org>
6120 Gerald Pfeifer <gerald@pfeifer.com>
6122 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
6125 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
6127 PR rtl-optimization/52175
6128 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
6129 to frame-related instructions.
6131 2012-02-10 Jason Merrill <jason@redhat.com>
6134 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
6135 (demangle_new_symbols): Fill it.
6136 (scan_linker_output): Walk it.
6137 (start_tweaking): Split out from scan_linker_output.
6138 (maybe_tweak): Update sym->chosen.
6139 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
6141 2012-02-11 Jakub Jelinek <jakub@redhat.com>
6144 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
6146 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
6148 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
6149 having the same mode as previous compare.
6151 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
6153 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
6154 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
6155 (nonlocal_goto_internal): Likewise.
6156 (nonlocal_goto): Emit a use and an indirect jump directly.
6158 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
6161 * doc/extend.texi : Update comments for __atomic_compare_exchange and
6162 __atomic_{is,always}_lock_free.
6164 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
6167 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
6168 negative constant address for x32.
6170 2012-02-10 Richard Henderson <rth@redhat.com>
6172 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
6173 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
6174 for GIMPLE_TRANSACTION. Tidy if's into a switch.
6176 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6177 Ira Rosen <irar@il.ibm.com>
6179 PR tree-optimization/50031
6180 * targhooks.c (default_builtin_vectorization_cost): Handle
6182 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
6183 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
6184 all types of reduction and pattern statements.
6185 (vect_estimate_min_profitable_iters): Likewise.
6186 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
6187 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
6188 for explicit realigns.
6189 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
6190 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
6192 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
6193 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
6194 vec_perm for VSX and handle vec_promote_demote.
6196 2012-02-10 Jakub Jelinek <jakub@redhat.com>
6199 * builtins.c (fold_builtin_atomic_always_lock_free,
6200 expand_builtin_atomic_always_lock_free,
6201 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
6202 Return and/or test boolean_true_node/boolean_false_node instead of
6203 integer_one_node/integer_zero_node.
6205 2012-02-10 Jan Hubicka <jh@suse.cz>
6208 * predict.c (predict_paths_for_bb): Prevent looping.
6209 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
6211 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
6213 * config/arm/arm.c (output_move_double): In one case properly
6214 count number of instructions that will be emitted.
6216 2012-02-10 Richard Guenther <rguenther@suse.de>
6218 PR translation/52193
6219 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
6221 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
6224 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
6226 2012-02-09 Jakub Jelinek <jakub@redhat.com>
6229 * var-tracking.c (emit_note_insn_var_location): If
6230 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
6231 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
6232 non-NOTE_DURING_CALL_P insn.
6234 2012-02-09 Bin Cheng <bin.cheng@arm.com>
6237 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
6239 2012-02-08 Magnus Granberg <zorry@gentoo.org>
6242 * gcc.c (switch_matches) Support switches with separated form,
6245 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
6247 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
6249 (RAMPZ_ADDR): Ditto.
6250 * config/avr/avr.c (avr_addr_t): New typedef.
6251 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
6252 (avr_init_expanders): Initialize it.
6253 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
6255 (expand_epilogue): Ditto.
6256 (avr_print_operand): Ditto.
6257 (avr_file_start): Ditto.
6258 (avr_emit_movmemhi): Ditto.
6260 2012-02-08 Richard Guenther <rguenther@suse.de>
6262 PR tree-optimization/46886
6263 * tree-flow.h (do_while_loop_p): Declare.
6264 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
6265 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
6267 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
6269 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
6270 always succeed for integers larger than a native word.
6272 2012-02-08 Richard Guenther <rguenther@suse.de>
6274 PR rtl-optimization/52170
6275 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
6276 properly handle integer vector modes.
6278 2012-02-08 Jakub Jelinek <jakub@redhat.com>
6280 PR gcov-profile/52150
6281 * coverage.c: Include target.h.
6282 (build_var): Call targetm.strip_name_encoding on the assembler name.
6283 Change one _ into . or $ if the target allows it.
6284 * Makefile.in (coverage.o): Depend on $(TARGET_H).
6286 PR rtl-optimization/52139
6287 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
6288 is a BARRIER after emit_insn_after_noloc, move BB_END
6289 to the last non-BARRIER insn before it.
6291 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
6294 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
6295 (mips_gimplify_va_arg_expr): Call it instead of
6296 std_gimplify_va_arg_expr.
6298 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
6300 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
6301 message for -mno-pointers-to-nested-function.
6303 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
6306 * expr.c (get_inner_reference): If there is an offset, add a negative
6307 bit position to it (if any).
6309 2012-02-07 Jakub Jelinek <jakub@redhat.com>
6311 PR rtl-optimization/52060
6312 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
6313 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
6314 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
6315 and/or i0src_copy2 when needed.
6317 2012-02-07 Jakub Jelinek <jakub@redhat.com>
6319 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
6320 or LTOPLUGINSONAME if have_c.
6322 * config/freebsd-spec.h: Add comment about what macros can be defined
6324 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
6325 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
6328 2012-02-07 Richard Guenther <rguenther@suse.de>
6330 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
6331 newline in -alias dumps.
6333 2012-02-07 Kai Tietz <ktietz@redhat.com>
6334 Dave Korn <dave.korn.cygwin@gmail.com>
6337 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
6338 Take care that typinfo gets dllexport-attribute.
6340 2012-02-07 Jakub Jelinek <jakub@redhat.com>
6343 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
6344 if modifier < EXPAND_SUM call force_operand on the result.
6346 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
6348 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
6349 adding __forwarder_dst__ prefix if a forwarder_section attribute is
6351 (epiphany_function_type): Replace types for specific interrupts with
6352 EPIPHANY_FUNCTION_INTERRUPT.
6353 (EPIPHANY_INTERRUPT_P): Update.
6354 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
6355 New static function.
6356 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
6357 <disinterrupt>: Affects type identity.
6358 (epiphany_handle_interrupt_attribute): Handle variable number of
6360 (epiphany_compute_function_type): Update for new
6361 epiphany_function_type definition.
6362 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
6363 handlers with a longcall forwarder.
6364 (epiphany_start_function): Handle multiple interrupt arguments and/or
6365 forwarder_section attribute.
6367 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
6370 2012-02-07 Alan Modra <amodra@gmail.com>
6373 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
6376 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6378 PR tree-optimization/50969
6379 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
6380 use vec_perm rather than vector_stmt.
6381 (vect_model_load_cost): Likewise.
6382 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
6383 vec_perm to be the same as other vector statements.
6384 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
6385 cost of vec_perm for TARGET_VSX.
6387 2012-02-06 Richard Guenther <rguenther@suse.de>
6389 PR tree-optimization/52115
6390 * tree-sra.c (access_has_replacements_p): New function.
6391 (sra_modify_assign): Use it to decide whether a use is uninitialized.
6393 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
6396 * trans-mem.c (expand_call_tm): Add an assertion.
6397 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
6400 2012-02-06 Richard Guenther <rguenther@suse.de>
6402 PR tree-optimization/50955
6403 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
6404 raise cost of expressions that replace an address with an
6405 expression based on a different pointer.
6407 2012-02-06 Jakub Jelinek <jakub@redhat.com>
6410 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
6411 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
6413 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
6416 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
6417 -Weffc++ and specify guidelines come from second edition.
6419 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
6421 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
6422 (sibcall_value_multiple_internal, call_split, call_internal_direct)
6423 (call_direct_split, call_value_split, call_value_internal_direct)
6424 (call_value_direct_split, call_value_multiple_split): Use jal and
6425 jal_macro attributes.
6427 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
6429 * reload1.c (reload_regs_reach_end_p): Replace with...
6430 (reload_reg_rtx_reaches_end_p): ...this function.
6431 (new_spill_reg_store): Update commentary.
6432 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
6433 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
6434 before setting new_spill_reg_store.
6435 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
6436 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
6437 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
6438 for non-spill reload registers.
6440 2012-02-05 Ira Rosen <irar@il.ibm.com>
6442 PR tree-optimization/52091
6443 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
6444 (vect_is_simple_use_1): Likewise.
6445 * tree-vect-loop.c (vectorizable_reduction): Update calls
6446 to vect_is_simple_use_1 and vect_is_simple_use.
6447 (vectorizable_live_operation): Likewise.
6448 * tree-vect-patterns.c (widened_name_p,
6449 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
6450 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
6451 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
6452 vectorizable_shift,vectorizable_operation, vectorizable_store,
6453 vectorizable_load): Likewise.
6454 (vect_is_simple_cond): Add an argument, pass it to
6455 vect_is_simple_use_1.
6456 (vectorizable_condition): Update calls to vect_is_simple_cond,
6458 (vect_is_simple_use): Add an argument, the statement in which
6459 OPERAND is used. Check that if OPERAND's def stmt is a double
6460 reduction phi node, the use is a phi node too.
6461 (vect_is_simple_use_1): Add an argument, pass it to
6463 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
6464 to vect_is_simple_use.
6466 2012-02-04 Jakub Jelinek <jakub@redhat.com>
6468 PR rtl-optimization/52095
6469 * modulo-sched.c (dump_insn_locator): New function.
6470 (loop_canon_p, sms_schedule): Use it.
6472 PR rtl-optimization/52113
6473 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
6474 even for decomposable shift/zext insns.
6476 2012-02-03 Jakub Jelinek <jakub@redhat.com>
6477 Zdenek Dvorak <ook@ucw.cz>
6479 PR rtl-optimization/52092
6480 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
6481 on get_iv_value result.
6483 2012-02-02 Andrew Pinski <apinski@cavium.com>
6487 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
6489 2012-02-02 Jakub Jelinek <jakub@redhat.com>
6492 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
6494 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
6496 PR rtl-optimization/49800
6497 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
6498 (sched_finish): Call regstat_free_n_sets_and_refs.
6500 2012-02-02 Jia Liu <proljc@gmail.com>
6502 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
6505 2012-02-02 Jan Hubicka <jh@suse.cz>
6506 Tom de Vries <tom@codesourcery.com>
6509 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
6510 * varpool.c (varpool_analyze_pending_decls): Likewise.
6512 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
6513 Jayant R Sonar <jayant.sonar@kpitcummins.com>
6515 * config.gcc: Add cr16-* support.
6517 * doc/extend.texi: Document cr16 extensions.
6518 * doc/install.texi: Document cr16 install.
6519 * doc/invoke.texi: Document cr16 options.
6520 * doc/md.texi: Document cr16 constraints.
6522 * common/config/cr16/cr16-common.c: New file.
6523 * config/cr16/cr16.c: New file.
6524 * config/cr16/cr16.h: New file.
6525 * config/cr16/cr16.md: New file.
6526 * config/cr16/cr16.opt: New file.
6527 * config/cr16/cr16-protos.h: New file.
6528 * config/cr16/predicates.md: New file.
6529 * config/cr16/constraints.md: New file.
6530 * config/cr16/t-cr16: New file.
6532 2012-02-02 Jakub Jelinek <jakub@redhat.com>
6535 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
6536 that operands[2] is either immediate, or q_regs_operand.
6538 PR tree-optimization/52073
6539 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
6540 a pattern stmt for pattern uses, ignore uses outside of the loop.
6542 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
6544 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
6545 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
6546 (OUT_AS1, OUT_AS2): Remove.
6548 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
6550 PR rtl-optimization/51374
6551 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
6552 to cross other volatile_refs_p insns.
6554 2012-02-01 Richard Guenther <rguenther@suse.de>
6556 * doc/invoke.texi (fno-inline): Clarify documentation.
6557 (finline-small-functions): Likewise.
6558 (finline-functions): Likewise.
6559 * common.opt (finline): Adjust comment and documentation.
6560 (finline-small-functions): Clarify documentation.
6561 (finline-functions): Likewise.
6562 (finline-functions-called-once): Likewise.
6564 2012-02-01 Tristan Gingold <gingold@adacore.com>
6566 * c-typeck.c (composite_type): Keep mode for pointers.
6568 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
6570 * function.h (regno_reg_rtx): Adjust comment.
6571 * reginfo.c (init_reg_modes_target): Only use the previous mode
6572 if it fits within one register. Remove MIPS comment.
6574 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6577 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
6579 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6581 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
6582 to srak instruction.
6584 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6586 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
6588 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6593 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
6595 2012-01-31 Richard Guenther <rguenther@suse.de>
6597 PR tree-optimization/51528
6598 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
6601 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6606 * ree.c (add_removable_extension): Change def_map argument
6607 to unsigned *, store in def_map 1 + offset into *insn_list vector
6608 instead of pointers into the vector.
6609 (find_removable_extensions): Adjust caller.
6611 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
6613 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
6614 Transform all "* quoted-c-code" to { c-code }.
6615 Remove redundant test for "optimize" in combine patterns.
6616 Move (include "avr-dimode.md") to end of file.
6618 2012-01-30 Bin Cheng <bin.cheng@arm.com>
6621 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
6622 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
6624 2012-01-30 Richard Guenther <rguenther@suse.de>
6626 PR tree-optimization/52028
6627 * tree-loop-distribution.c (ldist_gen): Properly update
6630 2012-01-30 Jakub Jelinek <jakub@redhat.com>
6633 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
6634 set_cur_line_info_table if not emitting debug info.
6636 PR tree-optimization/52046
6637 * tree-vect-patterns.c (check_bool_pattern): Give up if
6638 a comparison could throw.
6641 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
6643 2012-01-30 Richard Guenther <rguenther@suse.de>
6645 PR tree-optimization/52045
6646 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
6647 SSA form if cfgcleanup did anything.
6649 2012-01-30 Richard Guenther <rguenther@suse.de>
6651 PR tree-optimization/52045
6652 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
6653 before computing final todo.
6655 2012-01-30 Richard Guenther <rguenther@suse.de>
6657 PR tree-optimization/51528
6658 * tree-sra.c (sra_modify_assign): Re-factor in preparation
6661 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
6663 * df-problems.c (df_kill_notes): Check that the use refers
6664 to the note under examination.
6666 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
6669 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
6670 parameter and use short-lived pseudos.
6671 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
6672 (sparc_expand_vector_init): Const-ify local variables and adjust
6673 calls to above functions.
6675 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
6677 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
6679 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
6681 * doc/invoke.texi: Make usage of "compile time" and
6682 "run time"/"runtime" consistent throughout the file.
6684 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
6686 * config/alpha/alpha.c (alpha_option_override): Default to
6687 full IEEE compliance mode for Go language.
6689 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
6691 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
6692 (LINK_SSP_SPEC): Define.
6694 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6697 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
6700 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
6702 * doc/invoke.texi: Correct hyphenation of "floating point",
6703 "double precision", and related terminology throughout the file.
6705 2012-01-28 Jakub Jelinek <jakub@redhat.com>
6708 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
6709 arm_general_register_operand predicate for operand 2 instead of
6712 2012-01-27 Ian Lance Taylor <iant@google.com>
6715 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
6716 * builtins.c (expand_builtin_init_trampoline): Add onstack
6717 parameter. Change caller.
6718 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
6719 * tree.c (build_common_builtin_nodes): Declare
6720 __builtin_init_heap_trampoline.
6722 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
6724 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
6725 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
6726 * config/avr/avr.c: Ditto.
6727 (avr_regnames): Remove because unused.
6728 * config/avr/avr.md (*cpse.ne): New peephole.
6729 (*cpse.eq): New peephole from former cpse peepholes.
6731 2012-01-27 Michael Eager <eager@eagercon.com>
6733 * config/microblaze.c (microblaze_emit_compare): Correct
6734 test after pcmp instruction.
6736 2012-01-27 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/52020
6739 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
6741 2012-01-27 Richard Guenther <rguenther@suse.de>
6743 * ipa-pure-const.c (check_stmt): Clobbers do not make a
6744 function non-const/pure.
6746 2012-01-27 Richard Guenther <rguenther@suse.de>
6748 PR tree-optimization/50444
6749 * tree-sra.c (build_ref_for_offset): Properly adjust the
6750 MEM_REF type for unaligned accesses.
6752 2012-01-27 Richard Guenther <rguenther@suse.de>
6754 PR tree-optimization/50444
6755 * expr.c (mem_ref_refers_to_non_mem_p): New function.
6756 (expand_assignment): Use it. Properly handle misaligned
6757 bases when expanding stores to component references.
6758 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
6761 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
6764 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
6765 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
6766 * tree-data-ref.c (find_data_references_in_loop): Make static.
6767 (compute_all_dependences): Change return type to bool. Bail out
6768 for too many datarefs in a loop. Move the hunk resetting the data
6769 dependences vector from ...
6770 (compute_data_dependences_for_loop): ... here. Account for
6771 compute_all_dependences returning false.
6772 (compute_data_dependences_for_bb): Likewise.
6773 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
6774 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
6776 2012-01-27 Richard Guenther <rguenther@suse.de>
6779 * expr.c (store_field): Use the alias-set of the scratch memory
6782 2012-01-27 Tom de Vries <tom@codesourcery.com>
6784 PR tree-optimization/51990
6785 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6787 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
6789 2012-01-27 Jakub Jelinek <jakub@redhat.com>
6792 * var-tracking.c (reverse_op): Don't add any reverse operation
6793 if V already has any constant locations.
6795 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
6797 * doc/invoke.texi: Correct usage of "command line" (noun)
6798 vs "command-line" (adjective) throughout.
6800 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
6802 * doc/invoke.texi (Language Independent Options): Move
6803 -Wcoverage-mismatch blurb from here....
6804 (Warning Options): ...to here.
6806 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
6808 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6809 Set rs6000_always_hint to false for 476.
6811 2012-01-27 Matthias Klose <doko@ubuntu.com>
6813 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
6815 * incpath.c (add_standard_paths): Likewise.
6817 2012-01-27 Richard Henderson <rth@redhat.com>
6819 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6820 * config/m68k/sync.md (atomic_test_and_set): Rename from
6821 sync_test_and_setqi and adjust the operands.
6822 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
6823 and unconditionally enable.
6825 2012-01-27 Richard Henderson <rth@redhat.com>
6827 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6828 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
6829 (ldstub): Rename from ldstubqi.
6830 (ldstub<I24MODE>): Remove.
6832 2012-01-27 Richard Henderson <rth@redhat.com>
6834 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6835 * c-cppbuiltin.c (cpp_atomic_builtins): Define
6836 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
6837 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
6838 * doc/tm.texi: Rebuild.
6840 2012-01-27 Richard Henderson <rth@redhat.com>
6842 * optabs.c (gen_atomic_test_and_set): Remove default.
6843 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
6845 2012-01-26 Jakub Jelinek <jakub@redhat.com>
6847 PR rtl-optimization/51978
6848 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
6849 (combine_reaching_defs): Likewise.
6850 (struct re_info): Remove.
6851 (add_removable_extension): Remove x and data arguments,
6852 add insn, insn_list and def_map. Use the arguments directly
6853 instead of using struct re_info.
6854 (find_removable_extensions): Don't call add_removable_extension
6855 through note_stores, instead just call it with single_set
6857 (find_and_remove_re): Pass curr_cand->expr instead of
6858 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
6860 2012-01-26 Michael Matz <matz@suse.de>
6862 PR tree-optimization/46590
6863 * cfgexpand.c: Revert last change (r183305).
6864 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
6866 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
6867 checking for emptiness.
6869 2012-01-26 Jakub Jelinek <jakub@redhat.com>
6872 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
6873 non-addressable non-BLKmode base correctly.
6875 2012-01-26 Michael Matz <matz@suse.de>
6877 PR tree-optimization/48794
6878 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
6879 regions referenced from RESX/EH_DISPATCH.
6881 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6883 * config/s390/s390.h: Make BRANCH_COST an option.
6884 * config/s390/s390.opt: New option -mbranch-cost.
6886 2012-01-26 Richard Henderson <rth@redhat.com>
6888 Revert 2012-01-24 change:
6889 * trans-mem.c (requires_barrier): Do not instrument thread local
6890 variables and emit save/restore for them.
6892 2012-01-25 Jakub Jelinek <jakub@redhat.com>
6895 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
6898 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
6900 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
6903 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
6906 Rename __pgm to __flash.
6907 Rename __pgm1 to __flash1.
6908 Rename __pgm2 to __flash2.
6909 Rename __pgm3 to __flash3.
6910 Rename __pgm4 to __flash4.
6911 Rename __pgm5 to __flash5.
6912 Rename __pgmx to __memx.
6913 * doc/extend.texi (AVR Named Address Spaces)
6914 Rename address space names as indicated above.
6915 * config/avr/avr.c (avr_addrspace): Ditto.
6917 * config/avr/avr-protos.h
6918 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
6919 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
6920 * config/avr/predicates.md: Ditto.
6921 * config/avr/avr.c Ditto, and
6922 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
6923 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
6925 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
6926 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
6927 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
6928 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
6929 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
6930 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
6931 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
6932 * config/avr/avr.c: Ditto.
6933 * config/avr/avr.md: Ditto.
6935 2012-01-25 Jason Merrill <jason@redhat.com>
6938 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
6940 2012-01-25 Jakub Jelinek <jakub@redhat.com>
6942 PR tree-optimization/51987
6943 * tree-data-ref.c (get_references_in_stmt): Handle references in
6944 non-volatile GIMPLE_ASM.
6946 2012-01-25 Richard Guenther <rguenther@suse.de>
6948 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
6949 bases are dereferenced.
6951 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
6953 PR rtl-optimization/48374
6954 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
6956 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
6958 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
6959 compute_data_dependences_for_loop returns false.
6960 * tree-parloops.c (loop_parallel_p): Likewise.
6962 2012-01-25 Richard Guenther <rguenther@suse.de>
6964 * tree.h (get_pointer_alignment_1): Declare.
6965 * builtins.c (get_pointer_alignment_1): New function.
6966 (get_pointer_alignment): Use it.
6968 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6970 PR rtl-optimization/48308
6971 * combine.c (enum undo_kind): Add UNDO_LINKS.
6972 (struct undo): Add member l to other_contents and where.
6973 (do_SUBST_LINK): New.
6975 (try_combine): Handle LOG_LINKS for the dummy i1 case.
6976 (undo_all): Handle UNDO_LINKS.
6978 2012-01-25 Richard Henderson <rth@redhat.com>
6980 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
6983 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6985 * optabs.c (gen_atomic_test_and_set): Use each argument.
6987 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6989 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
6990 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
6991 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
6992 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
6993 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
6994 TARGET_PAIRED_SINGLE_FLOAT.
6996 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6998 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6999 (in_struct, return_val): Remove MEM documentation.
7000 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
7001 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
7002 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
7004 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7005 * cfgexpand.c (add_alias_set_conflicts): Likewise.
7006 * expr.c (store_field): Likewise.
7007 * function.c (assign_stack_temp_for_type): Likewise.
7008 * ifcvt.c (noce_try_cmove_arith): Likewise.
7009 * reload1.c (reload): Likewise.
7010 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
7011 (alpha_set_memflags): Likewise.
7012 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
7014 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
7016 * rtl.h (true_dependence, canon_true_dependence): Remove varies
7018 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
7019 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
7020 (true_dependence_1, true_dependence, canon_true_dependence): Remove
7022 * cselib.c (cselib_rtx_varies_p): Delete.
7023 (cselib_invalidate_mem): Update call to canon_true_dependence.
7024 * dse.c (record_store, check_mem_read_rtx): Likewise.
7025 (scan_reads_nospill): Likewise.
7026 * cse.c (check_dependence): Likewise.
7027 (cse_rtx_varies_p): Delete.
7028 * expr.c (safe_from_p): Update call to true_dependence.
7029 * ira.c (validate_equiv_mem_from_store): Likewise.
7030 (memref_referenced_p): Likewise.
7031 * postreload-gcse.c (find_mem_conflicts): Likewise.
7032 * sched-deps.c (sched_analyze_2): Likewise.
7033 * store-motion.c (load_kills_store): Likewise.
7034 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
7035 * gcse.c (mems_conflict_for_gcse_p): Likewise.
7036 (compute_transp): Update call to canon_true_dependence.
7038 2012-01-25 Richard Henderson <rth@redhat.com>
7040 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
7041 (maybe_emit_atomic_test_and_set): New.
7042 (expand_sync_lock_test_and_set): Use it.
7043 (expand_atomic_test_and_set): Likewise.
7044 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
7045 the implementation; clarify implementation defined details.
7046 * doc/md.texi (atomic_test_and_set): Document.
7048 2012-01-25 Richard Henderson <rth@redhat.com>
7050 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
7052 2012-01-25 Richard Henderson <rth@redhat.com>
7055 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
7056 to effect no-op split.
7058 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
7061 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
7062 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
7063 (BT_FN_VOID_PTR_INT_SIZE): New.
7064 (BT_FN_UINT_UINT_VAR): Remove.
7065 (BT_FN_UINT32_UINT32_VAR): New.
7066 (BT_FN_DOUBLE_VPTR): Remove.
7067 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
7069 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
7070 (_ITM_changeTransactionMode): Same.
7071 (_ITM_memmoveRtWt): Change return type to void.
7072 (_ITM_memcpyRtWt): Same.
7073 (_ITM_memsetW): Same.
7074 (_ITM_RaRD): Change types to double.
7079 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
7081 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
7082 Patrick Marlier <patrick.marlier@gmail.com>
7084 * trans-mem.c (requires_barrier): Do not instrument thread local
7085 variables and emit save/restore for them.
7087 2012-01-24 Jason Merrill <jason@redhat.com>
7090 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
7091 output static aliases.
7093 2012-01-24 Jakub Jelinek <jakub@redhat.com>
7096 * common.opt (-pie, -shared, pie, shared): Change from Common to
7098 * gcc.c (display_help): Display help for -pie and -shared.
7100 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
7103 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
7104 Remove note on size/offset limitation.
7105 (AVR Variable Attributes): Add example how to read data located
7106 with progmem. Refer to named address spaces.
7107 * doc/invoke.texi (AVR Options): Fix typo.
7109 2012-01-24 Richard Guenther <rguenther@suse.de>
7111 Forward-port to trunk
7112 2010-09-21 Jakub Jelinek <jakub@redhat.com>
7115 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
7116 op0 isn't sufficiently aligned and there is movmisalignM
7117 insn for mode, use it to load op0 into a temporary register.
7119 2012-01-24 Jakub Jelinek <jakub@redhat.com>
7122 * target.def (const_not_ok_for_debug_p): New hook.
7123 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
7125 * doc/tm.texi: Regenerated.
7126 * dwarf2out.c (const_ok_for_output_1): If
7127 targetm.const_not_ok_for_debug_p returns true, fail.
7128 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
7130 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
7132 2012-01-23 Kai Tietz <ktietz@redhat.com>
7135 * config/i386/predicates.md (symbolic_operand): Allow
7136 UNSPEC_PCREL as PIC expression for lea.
7137 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
7138 * config/i386/i386.c (ix86_delegitimize_address): Handle
7139 UNSPEC_PCREL for none-MEM, too.
7141 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
7143 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
7144 (ipa_tm_create_version_alias): Same.
7146 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
7149 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
7150 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
7152 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
7153 Patrick Marlier <patrick.marlier@gmail.com>
7154 Iain Sandoe <developer@sandoe-acoustics.co.uk>
7157 * lto-wrapper.c (run_gcc): Pass the LTO section name to
7158 simple_object_start_read.
7160 2012-01-23 Richard Guenther <rguenther@suse.de>
7163 PR tree-optimization/51895
7164 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
7165 parameter decomposition into BLKmode components.
7167 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
7169 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
7170 fake variables for restrict-qualified pointers whose pointed-to type
7171 contains a placeholder.
7173 2012-01-23 Richard Guenther <rguenther@suse.de>
7175 PR tree-optimization/51949
7176 * ipa-split.c (execute_split_functions): Do not split malloc functions.
7178 2012-01-23 Jakub Jelinek <jakub@redhat.com>
7180 PR rtl-optimization/51933
7181 * ree.c (transform_ifelse): Return true right away if dstreg is
7182 already wider or equal to cand->mode.
7183 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
7184 (make_defs_and_copies_lists): Remove defs_list and copies_list
7185 arguments, add state argument, just truncate state->work_list
7186 instead of always allocating and freeing the vector. Assert that
7187 get_defs succeeds instead of returning 2. Changed return type to bool.
7188 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
7189 have ext_src_mode, see if it has been modified already with the
7190 right kind of extension and has been extended before from the
7191 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
7192 just return true. Remember the original mode in state->modified array.
7193 (combine_reaching_defs): Add state argument. Don't allocate and
7194 free here def_list, copied_list and vec vectors, instead just
7195 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
7196 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
7197 Add state variable, clear vectors in it, initialize state.modified
7198 if needed. Free all the vectors at the end and state.modified too.
7199 Don't skip a candidate if the extension expression has been modified.
7201 2012-01-22 Douglas B Rupp <rupp@gnat.com>
7204 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
7205 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
7206 (extra_options) interix.opt -> i386/interix.opt"
7207 (extra_objs):Add winnt-stubs.o
7208 * configure.ac: Add interix to target_os .comm on PE check.
7209 * configure: Regenerate.
7210 * config/interix3.h: Delete and move bits to..
7211 * config/interix.h: Delete and move bits to..
7212 * config/i386/i386-interix3.h: Delete and move bits to..
7213 * config/i386/i386-interix.h: ..here.
7214 (TARGET_CPU_DEFAULT): Remove redefinition.
7215 (TARGET_ASM_CONSTRUCTOR): Undefine.
7216 (SUBTARGET_SWITCHES): Define for ms-bitfields.
7217 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
7218 (PTRDIFF_TYPE): Define.
7219 (LONG_DOUBLE_TYPE_SIZE): Define.
7220 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
7221 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7222 (TARGET_SECTION_TYPE_FLAGS): Define.
7223 (ASM_DECLARE_FUNCTION_NAME): Define.
7224 (ASM_OUTPUT_EXTERNAL): Define.
7225 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
7226 (ASM_OUTPUT_ALIGNED_BSS): Define.
7227 (PCC_BITFIELD_TYPE_MATTERS): Define.
7228 (USE_CONST_SECTION): Define.
7229 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
7230 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
7231 (SUPPORTS_ONE_ONLY): Remove.
7232 (I386_PE_STRIP_ENCODING): Define.
7233 * config/interix.opt: Delete and move bits to..
7234 * config/i386/interix.opt: ..here. New.
7235 (mpe-aligned-commons): Add.
7236 * config/i386/t-interix: Add copyright header.
7237 (winnt-stubs.o): Add rule.
7239 2012-01-22 Jason Merrill <jason@redhat.com>
7242 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
7243 for extra name aliases.
7245 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
7247 PR rtl-optimization/51924
7248 * ree.c (combine_set_extension): Improve debugging message.
7249 (combine_reaching_defs): Likewise.
7250 (get_defs): Rename confusingly named variable.
7251 (find_and_remove_re): Skip a candidate if the extension expression has
7254 2012-01-21 Robert Millan <rmh@gnu.org>
7255 Gerald Pfeifer <gerald@pfeifer.com>
7257 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
7258 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
7260 2012-01-20 Jakub Jelinek <jakub@redhat.com>
7262 PR tree-optimization/51914
7263 * tree-vect-stmts.c (vectorizable_conversion): For
7264 cvt_type && modifier == WIDEN, put temporary with cvt_type
7265 at the beginning of vec_dsts and set vec_dest to temporary
7268 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
7270 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
7272 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
7274 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
7275 * config/rs6000/rs6000.c: Likewise.
7277 2012-01-20 Jakub Jelinek <jakub@redhat.com>
7280 * config/arm/arm.c (arm_count_output_move_double_insns): Call
7281 output_move_double on a copy of operands array.
7283 2012-01-20 Cary Coutant <ccoutant@google.com>
7284 Dodji Seketeli <dodji@redhat.com>
7287 * dwarf2out.c (copy_declaration_context): Return ref to parent
7288 of declaration DIE, if necessary.
7289 (remove_child_or_replace_with_skeleton): Add new parameter; update
7290 caller. Place skeleton DIE under parent DIE of original declaration.
7291 Move call to copy_declaration_context to here ...
7292 (break_out_comdat_types): ... from here.
7294 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7296 PR rtl-optimization/51856
7297 * reload.c (find_reloads_subreg_address): Set the address_reloaded
7300 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
7303 * config/arm/arm.c (arm_print_operand): Correct output of alignment
7304 hints for neon loads and stores.
7306 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
7310 * doc/extend.texi (Named Address Spaces): Split into subsections.
7311 (AVR Named Address Spaces): New subsection.
7312 (M32C Named Address Spaces): New subsection.
7313 (RL78 Named Address Spaces): New subsection.
7314 (SPU Named Address Spaces): New subsection.
7315 (Variable Attributes): New anchor "AVR Variable Attributes".
7316 (AVR Variable Attributes): Rewrite and avoid wording
7317 "address space" in this context.
7318 * doc/invoke.texi (AVR Options): Rewrite and add documentation
7319 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
7320 (AVR Built-in Macros): New subsubsection therein.
7321 * doc/md.texi (AVR constraints): Remove "C04", "R".
7323 2012-01-20 Richard Guenther <rguenther@suse.de>
7325 PR tree-optimization/51903
7326 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
7327 when removing stmts.
7329 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
7332 * config/arm/arm.c (arm_load_pic_register): Use
7333 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
7334 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
7335 (arm_pic_static_addr): Likewise.
7336 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
7337 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
7338 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
7339 (pic_load_addr_unified): New.
7341 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
7344 * function.c (instantiate_virtual_regs_in_insn): Use
7345 delete_insn_and_edges when removing a wrong asm insn.
7347 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
7349 PR rtl-optimization/40761
7350 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
7351 Add new member loop_num.
7352 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
7353 (ira_build): Remove the parameter.
7355 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
7356 (ira.c): Do not build CFG loops for one region allocation. Remove
7357 argument from ira_build call.
7359 * ira-build.c (init_loop_tree_node): New function.
7360 (create_loop_tree_nodes): Use it. Separate the case when CFG
7361 loops are not built.
7362 (more_one_region_p): Check current_loops.
7363 (finish_loop_tree_nodes): Separate the case when CFG loops are not
7365 (add_loop_to_tree): Process loop equal to NULL too.
7366 (form_loop_tree): Separate the case when CFG loops are not built.
7367 Use explicitly number for the root.
7368 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
7370 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
7371 instead of loop->num.
7372 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
7373 (mark_all_loops_for_removal): Ditto.
7374 (remove_unnecessary_regions): Separate the case when CFG loops
7376 (ira_build): Remove the parameter. Use explicit number of regions
7377 when CFG loops are not built.
7379 * ira-color.c (print_loop_title): Separate the case for the root node.
7380 Use loop_num instead of loop->num.
7381 (move_spill_restore): Use loop_num instead of loop->num.
7383 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
7384 (change_loop): Ditto.
7385 (change_loop): Use loop_num instead of loop->num.
7387 * ira-lives.c (process_bb_node_lives): Ditto.
7389 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
7391 * ira-conflicts.c (print_allocno_conflicts): Ditto.
7393 2012-01-19 Jakub Jelinek <jakub@redhat.com>
7396 * tree-mudflap.c (mf_artificial): New function.
7397 (execute_mudflap_function_ops, execute_mudflap_function_decls,
7398 mx_register_decls, mudflap_enqueue_decl): Use it.
7401 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
7402 numbers in the insn pattern.
7404 2012-01-19 Michael Matz <matz@suse.de>
7406 PR tree-optimization/46590
7407 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
7408 use it in remembering which conflicts we already created.
7409 (add_scope_conflicts): Adjust call to above, (de)allocate helper
7412 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
7415 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
7416 (merge_and_complain): Same.
7418 2012-01-19 Jakub Jelinek <jakub@redhat.com>
7421 * config/initfini-array.h: Guard content of the header
7422 with #ifdef HAVE_INITFINI_ARRAY.
7423 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
7424 Add initfini-array.h to tm_file here.
7425 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
7426 * config.gcc: Don't add initfini-array.h to tm_file here.
7427 * configure: Regenerated.
7429 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
7431 PR rtl-optimization/51505
7432 * df-problems.c (df_kill_notes): New parameter live. Update comment.
7433 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
7434 (df_note_bb_compute): Update the call to df_kill_notes.
7436 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
7438 * trans-mem.c (requires_barrier): Remove call to is_global_var.
7440 2012-01-18 Richard Guenther <rguenther@suse.de>
7442 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
7443 of conversions to void *.
7445 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7446 Richard Sandiford <rdsandiford@googlemail.com>
7450 * optabs.h (simplify_expand_binop): Declare.
7451 * optabs.c (simplify_expand_binop): Make global.
7452 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
7453 endian targets if the source cannot be exactly covered by word
7456 2012-01-17 Jakub Jelinek <jakub@redhat.com>
7459 * hard-reg-set.h (struct hard_reg_set_container): New type.
7460 * target.h (struct hard_reg_set_container): Forward declare.
7461 * target.def (set_up_by_prologue): New target hook.
7462 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
7463 * doc/tm.texi: Regenerated.
7464 * function.c (thread_prologue_and_epilogue_insns): Change
7465 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
7466 Call targetm.set_up_by_prologue on it.
7467 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
7468 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
7470 2012-01-17 Nick Clifton <nickc@redhat.com>
7472 * config/rx/rx.c (rx_can_use_simple_return): New function.
7473 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
7474 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
7476 2012-01-17 Richard Guenther <rguenther@suse.de>
7479 * expr.c (expand_assignment): Take address-space information
7480 from the address operand of MEM_REF and TARGET_MEM_REF.
7481 (expand_expr_real_1): Likewise.
7483 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7485 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
7486 reload dump is requested.
7488 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
7491 * trans-mem.c (requires_barrier): Call may_be_aliased.
7493 2012-01-17 Jakub Jelinek <jakub@redhat.com>
7495 PR tree-optimization/51877
7496 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
7497 call arguments and fndecls compare equal, instead return false if they
7498 don't. Return true only if lhs1 and lhs2 are either both NULL, or
7499 both SSA_NAMEs that are valueized the same, or they satisfy
7502 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7504 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
7506 * configure: Regenerate.
7508 2012-01-16 Jan Hubicka <jh@suse.cz>
7512 * convert.c (convert_to_integer): Use fold_convert for
7513 converting an INTEGER_CST to integer type.
7515 2012-01-16 Jason Merrill <jason@redhat.com>
7518 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
7520 2012-01-16 Jakub Jelinek <jakub@redhat.com>
7523 * config/s390/s390.c (s390_chunkify_start): Don't skip
7524 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
7525 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
7526 If insn is followed by NOTE_INSN_VAR_LOCATION or
7527 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
7528 Don't use location of note insns.
7530 PR tree-optimization/51865
7531 * tree-inline.c (tree_function_versioning): Call remap_decl
7532 on DECL_RESULT whenever it has VOID_TYPE_P type.
7534 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
7536 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
7537 for calls to locally-binding MIPS16 functions if only the return
7538 type uses float regs.
7540 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
7541 Richard Sandiford <rdsandiford@googlemail.com>
7543 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
7544 (SYMBOL_32_HIGH): Likewise.
7545 (mips_output_tls_reloc_directive): Declare.
7546 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
7547 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
7548 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
7549 (mips_lo_relocs, mips_hi_relocs): Make extern.
7550 (mips16_stub_function): Move up file.
7551 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
7552 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
7553 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
7554 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
7555 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
7556 (mips_get_tp): Add MIPS16 support.
7557 (mips_legitimize_tls_address): Remove MIPS16 sorry().
7558 Generalize DTPREL and TPREL handling.
7559 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
7560 Add MIPS16 TLS support.
7561 (mips_output_tls_reloc_directive): New function.
7562 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
7563 * config/mips/predicates.md (symbolic_operand_with_high)
7564 (tls_reloc_operand): New predicates.
7565 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
7566 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
7567 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
7568 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
7569 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
7570 (*tls_get_tp_mips16_call_<mode>): Likewise.
7572 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
7574 PR rtl-optimization/51821
7575 * recog.c (peep2_find_free_register): Determine clobbered registers
7578 2012-01-14 Denis Chertykov <chertykov@gmail.com>
7581 * config/avr/avr-protos.h: Revert change of 2012-01-09.
7582 * config/avr/avr.c: Likewise.
7583 * config/avr/avr.h: Likewise.
7585 2012-01-13 Ian Lance Taylor <iant@google.com>
7588 * tree.h (TYPE_QUALS): Add cast to int.
7589 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
7591 2012-01-13 Ian Lance Taylor <iant@google.com>
7593 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
7594 comparing param_index to VEC_length result.
7596 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
7598 * c-decl.c: Do not include tree-mudflap.h
7599 * tree-optimize.c: Likewise.
7600 * Makefile.in: Update dependencies.
7602 2012-01-13 Richard Guenther <rguenther@suse.de>
7605 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
7606 variable-sized result always use RSO.
7608 2012-01-12 DJ Delorie <dj@redhat.com>
7610 * cfgexpand.c (convert_debug_memory_address): Allow any valid
7611 pointer type, not just the default pointer type.
7613 2012-01-09 Richard Henderson <rth@redhat.com>
7614 Denis Chertykov <chertykov@gmail.com>
7617 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
7618 * config/avr/avr.c (avr_can_eliminate): Simplify.
7619 (avr_initial_elimination_offset): Likewise.
7620 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
7621 (expand_epilogue): Likewise.
7622 (avr_legitimize_address): Gut.
7623 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
7624 (avr_hard_regno_nregs): New.
7625 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
7626 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
7627 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
7628 add soft frame pointer.
7629 (CALL_USED_REGISTERS): Likewise.
7630 (REG_CLASS_CONTENTS): Likewise.
7631 (REGISTER_NAMES): Likewise.
7632 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
7633 (HARD_FRAME_POINTER_REGNUM): New.
7634 (FRAME_POINTER_REGNUM): Use soft frame pointer.
7635 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
7636 remove the HARD_FRAME_POINTER self-elimination.
7638 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
7641 * config/avr/avr.c (avr_encode_section_info): Test for absence of
7642 DECL_EXTERNAL when checking for initializers of progmem variables.
7644 2012-01-12 Ira Rosen <irar@il.ibm.com>
7646 PR tree-optimization/51799
7647 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
7648 that the last operation is a type demotion.
7650 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
7652 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
7653 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
7655 2012-01-11 Jakub Jelinek <jakub@redhat.com>
7658 * combine.c (distribute_notes): If i3 is a noreturn call,
7659 allow old_size to be equal to args_size and make sure the
7660 noreturn call gets REG_ARGS_SIZE note.
7661 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
7662 on noreturn calls even when the delta is 0.
7664 2012-01-11 Nathan Sidwell <nathan@acm.org>
7666 * gcov.c (STRING_SIZE): Remove.
7667 (generate_results): Erase annotations for source files with no
7668 coverage information.
7670 (output_lines): Use it.
7672 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
7674 * gimple.h (gimplify_body): Remove first argument.
7675 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
7676 pointer set here, instead just pass DATA to walk_tree.
7677 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
7678 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
7679 (unvisit_body): Likewise, but with unmark_visited.
7680 (gimplify_body): Remove BODY_P argument and adjust.
7681 (gimplify_function_tree): Adjust call to gimplify_body.
7682 * omp-low.c (finalize_task_copyfn): Likewise.
7684 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
7686 * tree.h (build_function_decl_skip_args): Add boolean parameter.
7687 (build_function_type_skip_args): Delete.
7688 * tree.c (build_function_type_skip_args): Make static and add
7689 SKIP_RETURN parameter. Fix thinko in the handling of variants.
7690 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
7691 pass it to build_function_type_skip_args.
7692 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
7693 (tree_function_versioning): Likewise.
7694 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
7695 build_function_decl_skip_args.
7696 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
7697 and pass it to build_function_decl_skip_args/tree_function_versioning.
7698 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
7699 * ipa-inline-transform.c (save_inline_function_body): Likewise.
7700 * trans-mem.c (ipa_tm_create_version): Likewise.
7701 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
7702 * tree-inline.c (declare_return_variable): Remove always-true test.
7703 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
7704 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
7705 * ipa-split.c (split_function): Skip the return value for the split
7706 part if it doesn't return.
7708 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7710 PR tree-optimization/49642
7711 * ipa-split.c (forbidden_dominators): New variable.
7712 (check_forbidden_calls): New function.
7713 (dominated_by_forbidden): Likewise.
7714 (consider_split): Check for forbidden dominators.
7715 (execute_split_functions): Initialize and free forbidden
7716 dominators info; call check_forbidden_calls.
7718 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
7720 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
7722 2012-01-11 Nick Clifton <nickc@redhat.com>
7724 * config/rx/rx.md (return): Define pattern.
7726 2012-01-11 Richard Guenther <rguenther@suse.de>
7728 * doc/extend.texi (malloc attribute): Adjust according to
7731 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
7732 Patrick Marlier <patrick.marlier@gmail.com>
7735 * trans-mem.c (get_cg_data): Traverse aliases if requested.
7736 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
7737 (ipa_tm_note_irrevocable): Same.
7738 (ipa_tm_scan_irr_block): Same.
7739 (ipa_tm_decrement_clone_counts): Same.
7740 (ipa_tm_scan_irr_function): Same.
7741 (ipa_tm_create_version_alias): Same.
7742 (ipa_tm_create_version): Same.
7743 (ipa_tm_transform_calls_redirect): Same.
7744 (ipa_tm_transform_calls): Same.
7745 (ipa_tm_transform_transaction): Same.
7746 (ipa_tm_execute): Same.
7748 2012-01-10 Richard Guenther <rguenther@suse.de>
7751 * opts.c (common_handle_option): Handle -Werror.
7753 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
7755 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
7758 2012-01-10 Jason Merrill <jason@redhat.com>
7760 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
7763 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7765 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
7766 supports R_386_TLS_GD_PLT reloc.
7767 (gcc_cv_as_ix86_tlsldmplt): Check if linker
7768 supports R_386_TLS_LDM_PLT reloc.
7769 * configure: Regenerate.
7770 * config.in: Regenerate.
7772 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
7775 Extend __pgmx semantics to linearize memory.
7776 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
7777 determine if code comes inline or from libgcc.
7778 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
7779 (movmem_qi, movmem_qi): Set constraint #2 to "n".
7780 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
7781 (movmemx_qi, movmemx_hi): New insns.
7782 (xload_<mode>_libgcc): Rewrite to new insn condition.
7783 (xload_<mode>): Remove insns.
7784 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
7785 cases that don't satisfy avr_xload_libgcc_p().
7786 (avr_addr_space_convert): Allow converting in any direction.
7787 (avr_addr_space_subset_p): Return always true.
7788 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
7789 (avr_emit_movmemhi): Ditto.
7790 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
7791 (avr_out_movmem): Ditto.
7792 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
7793 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
7794 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
7795 (avr_encode_section_info): Encode 'progmem' in symbol flags.
7796 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
7798 2012-01-10 Richard Guenther <rguenther@suse.de>
7800 PR tree-optimization/50913
7801 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
7802 Require data-refs to be representable by Graphite with respect
7805 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
7807 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
7808 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
7810 2012-01-10 Tom de Vries <tom@codesourcery.com>
7812 PR rtl-optimization/51271
7813 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
7814 handling annulled branch.
7816 2012-01-10 Richard Henderson <rth@redhat.com>
7818 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
7819 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
7820 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
7821 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
7822 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
7823 arm_expand_vec_perm_const): New.
7824 * config/arm/arm-protos.h: Update.
7825 * config/arm/neon.md (UNSPEC_VCONCAT): New.
7826 (*neon_vswp<VDQX>): New.
7827 (neon_vcombine<VDX>): Use neon_split_vcombine.
7828 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
7829 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
7830 (vec_perm<VE>): New.
7832 2012-01-10 Richard Henderson <rth@redhat.com>
7834 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
7835 use it if reload_completed.
7836 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
7837 arm_output_asm_insn, arm_process_output_memory_barrier,
7838 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
7839 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
7840 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
7841 arm_process_output_sync_insn, arm_output_sync_insn,
7842 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
7843 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
7844 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
7845 (emit_unlikely_jump): New.
7846 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
7847 (arm_split_atomic_op): New.
7848 * config/arm/arm-protos.h: Update.
7849 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
7850 (struct arm_sync_generator): Remove.
7851 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
7852 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
7853 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
7854 (VUNSPEC_LL, VUNSPEC_SC): New.
7855 (sync_result, sync_memory, sync_required_value, sync_new_value,
7856 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
7857 (attr length): Don't use arm_sync_loop_insns.
7858 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
7859 (movsfcc, movdfcc): Likewise.
7860 * config/arm/constraints.md (Ua): New.
7861 * config/arm/prediates.md (mem_noofs_operand): New.
7862 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
7863 (sync_clobber, sync_t2_reqd): Remove.
7864 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
7865 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
7866 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
7867 (arm_sync_compare_and_swap<SIDI>): Remove.
7868 (arm_sync_compare_and_swap<NARROW>): Remove.
7869 (arm_sync_lock_test_and_set<SIDI>): Remove.
7870 (arm_sync_lock_test_and_set<NARROW>): Remove.
7871 (arm_sync_new_<syncop><SIDI>): Remove.
7872 (arm_sync_new_<syncop><NARROW>): Remove.
7873 (arm_sync_new_nand<SIDI>): Remove.
7874 (arm_sync_new_nand<NARROW>): Remove.
7875 (arm_sync_old_<syncop><SIDI>): Remove.
7876 (arm_sync_old_<syncop><NARROW>): Remove.
7877 (arm_sync_old_nand<SIDI>): Remove.
7878 (arm_sync_old_nand<NARROW>): Remove.
7879 (*memory_barrier): Merge arm_output_memory_barrier.
7880 (atomic_compare_and_swap<QHSD>): New.
7881 (atomic_compare_and_swap<NARROW>_1): New.
7882 (atomic_compare_and_swap<SIDI>_1): New.
7883 (atomic_exchange<QHSD>): New.
7884 (cas_cmp_operand, cas_cmp_str): New.
7885 (atomic_op_operand, atomic_op_str): New.
7886 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
7887 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
7888 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
7889 (arm_load_exclusive<NARROW>): New.
7890 (arm_load_exclusivesi, arm_load_exclusivedi): New.
7891 (arm_store_exclusive<QHSD>): New.
7893 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
7895 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
7896 reload patterns if -mvsx-scalar-memory.
7898 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
7899 generated, even -mno-vsx-scalar-double was used.
7900 (vsx_xscvdpsp_scalar): Likewise.
7901 (vsx_xscvspdp_scalar2): Likewise.
7903 2012-01-09 Tom de Vries <tom@codesourcery.com>
7904 Andrew Pinski <apinski@cavium.com>
7907 * reorg.c (fill_slots_from_thread): Don't speculate
7908 frame-related insns.
7910 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
7912 * sched-int.h (bb_note): Move to...
7913 * basic-block.h: ...here.
7914 * haifa-sched.c (bb_note): Move to...
7915 * cfgrtl.c: ...here.
7916 * function.c (next_block_for_reg): New function.
7917 (move_insn_for_shrink_wrap): Likewise.
7918 (prepare_shrink_wrap): Rewrite to use the above.
7920 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
7922 * gimple.c (is_gimple_non_addressable): Remove.
7923 * gimple.h: Remove is_gimple_non_addressable.
7924 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
7925 is_gimple_non_addressable.
7926 * trans-mem.c (expand_assign_tm): Same.
7928 2012-01-09 Richard Guenther <rguenther@suse.de>
7930 PR tree-optimization/51775
7931 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
7932 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
7934 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
7936 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
7938 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
7940 2012-01-09 Richard Guenther <rguenther@suse.de>
7942 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
7944 2012-01-08 Jan Hubicka <jh@suse.cz>
7946 PR tree-optimize/51680
7947 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
7948 on when known_vals needs to be computed; cleanup.
7950 2012-01-08 Jan Hubicka <jh@suse.cz>
7952 PR tree-optimize/51694
7953 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
7955 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
7957 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
7958 for -std=c++98 and -std=c++11 too.
7960 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
7962 * cfgloop.c (cancel_loop): Add free() of bbs array.
7964 2012-01-07 Jan Hubicka <jh@suse.cz>
7966 PR tree-optimization/51600
7967 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
7968 that benefits small functions.
7970 2012-01-07 Jan Hubicka <jh@suse.cz>
7972 * ipa-inline.c (want_inline_small_function_p): Fix formating.
7974 2012-01-07 Jan Hubicka <jh@suse.cz>
7976 PR tree-optimization/51680
7977 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
7978 whose inlining reduce unit size.
7980 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
7983 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
7984 Add canonical node to containing_mem chain after the non-canonical
7985 one, even if there weren't any locs to propagate.
7986 (remove_useless_values): Keep only canonical values.
7987 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
7988 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
7989 canonicalize mem_chain elements that are not discarded.
7991 2012-01-06 Jakub Jelinek <jakub@redhat.com>
7994 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
7995 before emitting functions.
7997 PR gcov-profile/50127
7998 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
7999 clear_aux_for_blocks.
8001 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
8004 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
8006 2012-01-06 Arnaud Charlet <charlet@adacore.com>
8008 * c-decl.c (ext_block): Moved up.
8009 (collect_all_refs, for_each_global_decl): Take ext_block into account.
8011 2012-01-06 Han Shen <shenhan@google.com>
8013 Translate built-in include paths for sysroot.
8014 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
8015 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
8017 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
8018 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
8020 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
8021 control whether sysroot should be prepended to gxx include dir.
8023 * configure: Regenerate.
8025 2012-01-06 Torvald Riegel <triegel@redhat.com>
8027 PR rtl-optimization/51771
8028 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
8029 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
8031 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
8033 PR tree-optimization/51315
8034 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
8035 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
8037 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
8040 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
8041 for shrp pattern. Correctly handle and fixup shift variable.
8042 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
8044 2012-01-05 Jakub Jelinek <jakub@redhat.com>
8047 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
8048 note when !ACCUMULATE_OUTGOING_ARGS.
8050 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
8052 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
8054 (extract_range_from_unary_expr_1): Avoid useless computations.
8056 2012-01-05 Jakub Jelinek <jakub@redhat.com>
8058 PR rtl-optimization/51767
8059 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
8060 of jump_block and add an extra edge for degenerated asm gotos.
8063 * stmt.c (check_unique_operand_names): Don't ICE during error
8064 reporting if i is from labels chain.
8067 * profile.c (branch_prob): Split bbs that have exit edge
8068 and need a fake entry edge too.
8070 2012-01-05 Jan Hubicka <jh@suse.cz>
8073 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
8076 2012-01-05 Richard Guenther <rguenther@suse.de>
8079 * tree-streamer-out.c (write_ts_optimization): New function.
8080 (streamer_write_tree_body): Call it.
8081 * tree-streamer-in.c (lto_input_ts_optimization): New function.
8082 (streamer_read_tree_body): Call it.
8083 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
8085 2012-01-05 Jakub Jelinek <jakub@redhat.com>
8088 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
8089 * gimplify.c (gimplify_cleanup_point_expr): Save and set
8090 in_cleanup_point_expr before gimplify_stmt call and restore it
8092 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
8093 in_cleanup_point_expr is false.
8095 2012-01-05 Richard Guenther <rguenther@suse.de>
8098 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
8100 * toplev.c (process_options): Reject combining mudflap and LTO.
8101 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
8103 2012-01-05 Richard Guenther <rguenther@suse.de>
8105 PR tree-optimization/51760
8106 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
8108 (bit_value_unop): Handle UNDEFINED operands.
8109 (bit_value_binop): Likewise.
8111 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
8113 * config/avr/avr.c (avr_replace_prefix): Remove.
8114 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
8115 (avr_asm_function_rodata_section): Ditto.
8116 (avr_asm_select_section): Ditto.
8118 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
8120 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
8123 2012-01-05 Jakub Jelinek <jakub@redhat.com>
8126 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
8127 calls that have any non-fake successor edges.
8130 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
8132 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
8134 PR tree-optimization/51624
8135 * tree-sra.c (build_ref_for_model): When replicating a chain of
8136 COMPONENT_REFs, stop as soon as the offset would become negative.
8138 2012-01-04 Jakub Jelinek <jakub@redhat.com>
8141 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
8142 in .debug_loc on the floor.
8144 2012-01-04 Andrew Pinski <apinski@cavium.com>
8146 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
8148 2012-01-04 Andrew Pinski <apinski@cavium.com>
8149 Adam Nemet <anemet@caviumnetworks.com>
8151 * config/mips/mips.md (size): Add SI and DI.
8152 (SIZE): New mode attribute.
8153 (U): New code attribute.
8154 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
8155 (mips_lbux_<mode>): Delete.
8156 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
8157 (mips_lhx): Use gen_mips_lhx_extsi.
8158 (mips_lhx_<mode>): Delete.
8160 (mips_l<size>x): New expand.
8161 (mips_lwx_<mode>): Delete.
8162 (mips_l<GPR:size>x_<P:mode>): New pattern.
8163 (*mips_lw<u>x_<P:mode>_ext): Likewise.
8164 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
8165 * config/mips/mips.c (mips_lx_address_p): New function.
8166 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
8167 (dsp64): New availability predicate.
8168 (mips_builtins): Add an entry for __builtin_mips_ldx.
8169 * config/mips/mips.h (ISA_HAS_LBX): New define.
8170 (ISA_HAS_LBUX): Likewise.
8171 (ISA_HAS_LHX): Likewise.
8172 (ISA_HAS_LHUX): Likewise.
8173 (ISA_HAS_LWX): Likewise.
8174 (ISA_HAS_LWUX): Likewise.
8175 (ISA_HAS_LDX): Likewise.
8176 * doc/extend.texi (__builtin_mips_ldx): Document.
8178 2012-01-04 Tristan Gingold <gingold@adacore.com>
8180 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
8181 when long pointers are used.
8182 * config.build (*-*-*vms*): Handle all OpenVMS targets.
8183 (alpha64-dec-*vms*, alpha*-dec-*vms*)
8184 (ia64-hp-*vms*): Remove.
8185 * config/vms/xm-vms64.h: Delete.
8187 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
8190 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
8192 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
8194 * opts.c (finish_options): Remove duplicate sorry.
8196 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
8199 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
8202 2012-01-04 Richard Guenther <rguenther@suse.de>
8205 * tree.c (size_low_cst): New function.
8206 * tree.h (size_low_cst): Declare.
8207 * fold-const.c (fold_comparison): Use it to extract the low
8208 part of the POINTER_PLUS_EXPR offset.
8210 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
8212 Fix clearing ZERO_REG
8213 * config/avr/avr.md (cc): Add alternative "ldi".
8214 (movqi_insn): Use it in cc attribute.
8215 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
8216 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
8217 (output_reload_insisf): Use ZERO_REG to pre-clear register.
8219 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8221 * configure: Regenerate.
8223 2012-01-04 Richard Guenther <rguenther@suse.de>
8225 PR tree-optimization/49651
8226 * tree-ssa-structalias.c (type_can_have_subvars): New function.
8227 (var_can_have_subvars): Use it.
8228 (get_constraint_for_1): Only consider subfields if there can be any.
8230 2012-01-03 Jakub Jelinek <jakub@redhat.com>
8233 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
8234 to its new canonical_cselib_val and the cselib_val was in
8235 first_containing_mem chain, but the canonical_cselib_val was not,
8236 add the latter into the chain.
8237 (cselib_invalidate_mem): Compare canonical_cselib_val of
8238 addr_list chain elt with v.
8241 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
8242 dwarf2out_undef): Allocate e.info using ggc_strdup instead
8244 (output_macinfo_op): Don't ggc_strdup fd->filename.
8245 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
8246 then ggc_strdup it. Don't free inc->info or cur->info.
8247 (output_macinfo): Don't free ref->info or file->info.
8249 2012-01-03 Ira Rosen <irar@il.ibm.com>
8251 PR tree-optimization/51269
8252 * tree-vect-loop-manip.c (set_prologue_iterations): Make
8253 first_niters a pointer.
8254 (slpeel_tree_peel_loop_to_edge): Likewise.
8255 (vect_do_peeling_for_loop_bound): Update call to
8256 slpeel_tree_peel_loop_to_edge.
8257 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
8258 here. Remove it from the parameters list.
8259 (vect_do_peeling_for_alignment): Update calls and compute
8262 2012-01-03 Richard Guenther <rguenther@suse.de>
8264 PR tree-optimization/51070
8265 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
8266 Properly handle calls.
8268 2012-01-03 Richard Guenther <rguenther@suse.de>
8270 PR tree-optimization/51692
8271 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
8272 the LHS of allocation stmts.
8274 2012-01-03 Olivier Hainque <hainque@adacore.com>
8276 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
8278 2012-01-03 Olivier Hainque <hainque@adacore.com>
8280 * collect2.c (main): In AIX specific computations for vector
8281 insertions, use CONST_CAST2 to cast from char ** to const char **.
8283 2012-01-03 Richard Guenther <rguenther@suse.de>
8286 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
8287 the context of a limbo DIE when it does not already exist.
8289 2012-01-03 Jakub Jelinek <jakub@redhat.com>
8291 PR tree-optimization/51719
8292 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
8293 but direct call is, clear direct call's lhs and don't add fallthrough
8294 edge from dcall_bb to join_bb and PHIs.
8296 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8298 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
8299 the instructions emitted by the pattern.
8300 ("*TDC_insn_<mode>"): Add comment.
8302 2012-01-03 Richard Guenther <rguenther@suse.de>
8305 * fold-const.c (fold_comparison): Properly canonicalize
8306 tree offset and HOST_WIDE_INT bit position.
8308 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
8310 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
8311 operands for extzv pattern.
8313 2012-01-02 Jakub Jelinek <jakub@redhat.com>
8316 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
8319 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
8321 * doc/invoke.texi (-flto and related options): Copy-edit.
8323 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
8325 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
8327 2012-01-02 Jakub Jelinek <jakub@redhat.com>
8329 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
8332 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
8334 * expr.h (move_by_pieces_ninsns): Declare.
8335 * expr.c (move_by_pieces_ninsns): Make external.
8336 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
8337 (mips_store_by_pieces_p): Likewise.
8338 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
8339 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
8340 * config/mips/mips.c (mips_move_by_pieces_p): New function.
8341 (mips_store_by_pieces_p): Likewise.
8343 2012-01-02 Jakub Jelinek <jakub@redhat.com>
8345 * passes.c (register_one_dump_file): Free full_name.
8347 * reload1.c (reload): Don't allocate reg_max_ref_width here.
8348 (calculate_elim_costs_all_insns): Free offsets_at and
8349 offsets_known_at at the end and clear the pointers.
8351 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
8353 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
8354 this option introduced in r180739.
8356 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
8359 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
8360 (tmake_file target=avr): Add avr/t-multilib.
8362 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
8363 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
8364 * config/avr/genmultilib.awk: New file.
8365 * config/avr/t-multilib: New auto-generated file.
8366 * config/avr/multilib.h: New auto-generated file.
8367 * config/avr/t-avr (AVR_MCUS): New variable.
8368 (genopt.sh): Use it.
8369 (s-mlib): Depend on t-multilib.
8370 (t-multilib, multilib.h): New dependencies.
8371 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
8372 (MULTILIB_OPTIONS): Remove.
8373 (MULTILIB_MATCHES): Remove.
8374 (MULTILIB_DIRNAMES): Remove.
8375 (MULTILIB_EXCEPTIONS): Remove:
8376 * config/avr/genopt.sh: Don't use hard coded file name;
8377 pass AVR_MCUS from t-avr instead.
8379 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
8381 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
8383 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
8385 Implement light-weight DImode support.
8386 * config/avr/avr-dimode.md: New file.
8387 * config/avr/avr.md: Include it.
8388 (adjust_len): Add plus64, compare64.
8389 (HIDI): Remove code iterator.
8390 (code_stdname): New code attribute.
8391 (rotx, rotsmode): Remove DI.
8392 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
8394 * config/avr/avr-protos.h (avr_have_dimode): New.
8395 (avr_out_plus64, avr_out_compare64): New.
8396 * config/avr/avr.c (avr_out_compare): Handle DImode.
8397 (avr_have_dimode): New variable definition and initialization.
8398 (avr_out_compare64, avr_out_plus64): New functions.
8399 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
8400 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
8401 (avr_compare_pattern): Skip DImode comparisons.
8403 2012-01-02 Revital Eres <revital.eres@linaro.org>
8405 * ddg.c (def_has_ccmode_p): New function.
8406 (add_cross_iteration_register_deps,
8407 create_ddg_dep_from_intra_loop_link): Call it.
8409 2012-01-02 Richard Guenther <rguenther@suse.de>
8412 * invoke.texi (fassociative-math): Remove spurious paranthesis.
8414 2012-01-01 Jakub Jelinek <jakub@redhat.com>
8416 * gcc.c (process_command): Update copyright notice dates.
8417 * gcov.c (print_version): Likewise.
8418 * gcov-dump.c (print_version): Likewise.
8419 * mips-tfile.c (main): Likewise.
8420 * mips-tdump.c (main): Likewise.
8422 2012-01-01 Ira Rosen <irar@il.ibm.com>
8424 PR tree-optimization/51704
8425 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
8426 a use is inside the basic block or loop before accessing its vect info.
8428 2012-01-01 Jan Hubicka <jhjh@suse.cz>
8430 PR rtl-optimization/51069
8431 * cfgloopmanip.c (remove_path): Removing path making irreducible
8432 region unconditional makes BB part of the region.
8434 2012-01-01 Jakub Jelinek <jakub@redhat.com>
8436 PR tree-optimization/51683
8437 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
8438 calls with side-effects.
8439 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
8441 Copyright (C) 2012 Free Software Foundation, Inc.
8443 Copying and distribution of this file, with or without modification,
8444 are permitted in any medium without royalty provided the copyright
8445 notice and this notice are preserved.