1 2013-06-21 David Edelsohn <dje.gcc@gmail.com>
4 2013-06-19 David Edelsohn <dje.gcc@gmail.com>
7 * collect2.c (collect_atexit): New.
8 (collect_exit): Delete.
9 (main): Register collect_atexit with atexit.
10 (collect_wait): Change collect_exit to exit.
12 * collect2.h (collect_exit): Delete.
13 * tlink.c (do_tlink): Rename exit to ret. Change collect_exit to exit.
15 2013-06-07 Uros Bizjak <ubizjak@gmail.com>
17 Backport from mainline
18 2013-06-10 Uros Bizjak <ubizjak@gmail.com>
20 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use
21 cmp_code to construct REG_EQUAL note.
23 Backport from mainline
24 2013-06-05 Uros Bizjak <ubizjak@gmail.com>
26 * config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
27 GE, GT, GEU and GTU compares, modulo DImode compares with zero.
29 Backport from mainline
30 2013-05-23 Uros Bizjak <ubizjak@gmail.com>
33 * config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE.
34 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct
35 REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec.
37 2013-06-09 Jakub Jelinek <jakub@redhat.com>
40 * config/i386/i386.md (TARGET_READ_MODIFY_WRITE peepholes): Ensure
41 that operands[2] doesn't overlap with operands[0].
43 2013-05-22 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.md (*movti_internal_rex64): Emit movaps/movups
47 for non-sse2 targets. Simplify mode attribute calculation.
49 2013-05-17 Uros Bizjak <ubizjak@gmail.com>
51 Backport from mainline
52 2013-05-16 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/driver-i386.c (host_detect_local_cpu): Determine
55 cache parameters using detect_caches_amd also for CYRIX,
56 NSC and TM2 signatures.
58 2013-05-16 Uros Bizjak <ubizjak@gmail.com>
59 Dzianis Kahanovich <mahatma@eu.by>
63 * config/i386/driver-i386.c (host_detect_local_cpu): Detect
64 VIA/Centaur processors and determine their cache parameters
65 using detect_caches_amd.
67 2013-05-15 Uros Bizjak <ubizjak@gmail.com>
69 * config/i386/i386.c (ix86_option_override_internal): Add
70 PTA_POPCNT to corei7 entry.
72 2013-05-14 Richard Biener <rguenther@suse.de>
75 Backport from mainline
76 2012-06-30 Nathan Sidwell <nathan@acm.org>
78 * coverage.c (coverage_init): Read counts file before writing
81 2013-05-13 Uros Bizjak <ubizjak@gmail.com>
84 Backport from mainline
85 2013-01-22 Jakub Jelinek <jakub@redhat.com>
88 * config/i386/i386.md (UNSPEC_STOS): New.
89 (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
90 *strsetqi_1): Add UNSPEC_STOS.
92 2013-05-10 Joey Ye <joey.ye@arm.com>
94 Backport from mainline
95 2012-11-29 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
98 * config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
100 (thumb1_extendhisi2): Reduce Thumb pool range.
101 (arm_movdi): Likewise.
102 (thumb1_movdi_insn): Likewise.
103 (thumb1_movsi_insn): Likewise.
104 (pic_load_addr_unified): Likewise.
105 (pic_load_addr_32bit): Likewise.
106 (pic_load_addr_thumb1): Likewise.
107 (thumb1_movhf): Likewise.
108 (arm_movsf_soft_insn): Likewise.
109 (thumb1_movsf_soft_insn): Likewise.
110 (movdf_soft_insn): Likewise.
111 (thumb1_movdf_soft_insn): Likewise.
112 * config/arm/neon.md (*neon_mov<mode>): Likewise.
113 (*neon_mov<mode>): Likwise.
114 * config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
115 (*thumb2_movhi_insn): Likewise.
116 (*thumb2_extendqisi_v6): Likewise.
117 (*thumb2_zero_extendqisi_v6): Likewise.
118 (*thumb2_zero_extendqisi2_v6): Likewise.
119 * config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
120 (*movdi_vfp): Likewise.
121 (*movdi_vfp_cortexa8): Likewise.
122 (*thumb2_movsf_vfp): Likewise.
123 (*thumb2_movdf_vfp): Likewise.
125 2013-05-10 Sebastian Huber <sebastian.huber@embedded-brains.de>
127 * config/arm/t-rtems-eabi: Remove mthumb/march=armv7 multilib.
128 Add mthumb/march=armv7-a multilib.
129 Add mthumb/march=armv7-r multilib.
130 Add mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard multilib.
132 2013-05-10 Ralf Corsépius <ralf.corsepius@rtems.org>
135 * config/v850/t-rtems: Add more multilibs.
137 2013-05-07 Michael Meissner <meissner@linux.vnet.ibm.com>
140 2013-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
143 * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Use DFmode
144 to save TFmode registers and DImode to save TImode registers for
145 caller save operations.
146 (HARD_REGNO_CALL_PART_CLOBBERED): TFmode and TDmode do not need to
147 mark being partially clobbered since they only use the first
150 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): TFmode
151 and TDmode only use the upper 64-bits of each VSX register.
153 2013-05-03 Marek Polacek <polacek@redhat.com>
155 Backport from mainline
156 2013-04-25 Marek Polacek <polacek@redhat.com>
158 PR tree-optimization/57066
159 * builtins.c (fold_builtin_logb): Return +Inf for -Inf.
161 2013-04-30 Uros Bizjak <ubizjak@gmail.com>
163 Backport from mainline
164 2013-04-29 Uros Bizjak <ubizjak@gmail.com>
167 * config/i386/i386.md (*zero_extendsidi2_rex64): Add "!" to m->?*y
169 (*zero_extendsidi2): Ditto.
171 Backport from mainline
172 2013-04-29 Uros Bizjak <ubizjak@gmail.com>
175 * config/i386/i386.c (ix86_expand_vec_perm): Validize constant memory.
177 2013-04-29 Christian Bruel <christian.bruel@st.com>
180 * sh.md (tstsi_t_zero_extract_eq): Set mode for operand 0.
182 2013-04-27 Jakub Jelinek <jakub@redhat.com>
185 * config/i386/sse.md (xop_rotr<mode>3): Fix up computation of
186 the immediate rotate count.
188 2013-04-21 Eric Botcazou <ebotcazou@adacore.com>
190 * cfgexpand.c (avoid_complex_debug_insns): Fix C++ism.
192 2013-04-19 Matthias Klose <doko@ubuntu.com>
196 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
198 Backport from mainline
199 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
200 Alexander Monakov <amonakov@ispras.ru>
203 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
204 flush pending lists also on non-jumps. Adjust comment.
207 2012-08-27 Maxim Kuvyrkov <maxim@codesourcery.com>
209 * sched-deps.c (add_dependence_list_and_free): Simplify.
210 (flush_pending_list_and_free): Fix a hack that was fixing a hack. Free
211 lists when add_dependence_list_and_free doesn't free them.
213 2013-04-19 Marek Polacek <polacek@redhat.com>
215 Backport from mainline
216 2013-01-08 Steven Bosscher <steven@gcc.gnu.org>
217 Jakub Jelinek <jakub@redhat.com>
219 PR tree-optimization/48189
220 * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
221 If nitercst is 0, don't predict the exit edge.
223 2013-04-16 Jack Howarth <howarth@bromo.med.uc.edu>
225 Backport from mainline
226 2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
227 * config/darwin.h (STARTFILE_SPEC): Use -no_new_main with -lgcrt1.o
229 (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10 and < 12.
232 2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
234 * doc/tm.texi: Update.
235 * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
236 * target.def (force_at_comp_dir): New hook.
237 * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
238 * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
240 2013-04-15 Eric Botcazou <ebotcazou@adacore.com>
243 * config/sparc/sparc.c (enum sparc_mode_class): Add H_MODE value.
244 (S_MODES): Set H_MODE bit.
245 (SF_MODES): Set only S_MODE and SF_MODE bits.
246 (DF_MODES): Set SF_MODES and only D_MODE and DF_MODE bits.
247 (sparc_init_modes) <MODE_INT>: Set H_MODE bit for sub-word modes.
248 <MODE_VECTOR_INT>: Do not set SF_MODE for sub-word modes.
249 <MODE_FLOAT>: Likewise.
251 2013-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
253 Backport from mainline:
254 2013-04-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
257 * config/pa/pa.c (legitimize_pic_address): Before incrementing label
258 nuses, make sure we have a label.
260 2013-04-11 Richard Biener <rguenther@suse.de>
262 * BASE-VER: Set to 4.7.4.
263 * DEV-PHASE: Set to prerelease.
265 2013-04-11 Release Manager
267 * GCC 4.7.3 released.
269 2013-04-10 David S. Miller <davem@davemloft.net>
271 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc
274 2013-04-05 Eric Botcazou <ebotcazou@adacore.com>
278 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
280 Backport from mainline
281 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
282 Alexander Monakov <amonakov@ispras.ru>
285 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
286 flush pending lists also on non-jumps. Adjust comment.
288 2013-04-03 Richard Biener <rguenther@suse.de>
290 PR tree-optimization/56501
291 * tree-switch-conversion.c (check_process_case): Properly
292 handle !single_succ_p case.
294 2013-04-03 Jakub Jelinek <jakub@redhat.com>
296 Backported from mainline
297 2013-03-06 Jakub Jelinek <jakub@redhat.com>
299 PR tree-optimization/56539
300 * tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT
301 instead of GSI_CONTINUE_LINKING as last argument to
302 force_gimple_operand_gsi. Adjust function comment.
304 2013-03-05 Jakub Jelinek <jakub@redhat.com>
307 * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
308 (avoid_complex_debug_insns): New function.
309 (expand_debug_locations): Call it.
311 2013-04-02 Wei Mi <wmi@google.com>
313 * config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for
314 ashl<mode>3_mask, *<shift_insn><mode>3_mask and
315 *<rotate_insn><mode>3_mask in i386.md.
317 2013-04-02 Richard Biener <rguenther@suse.de>
320 Backport from mainline
321 2012-05-16 Richard Guenther <rguenther@suse.de>
323 * tree-inline.c (declare_return_variable): Properly handle
324 DECL_BY_REFERENCE return vars in SSA form.
326 2013-04-01 Wei Mi <wmi@google.com>
328 * config/i386/i386.md (*ashl<mode>3_mask): Rewrite as define_insn.
329 Truncate operand 2 using %b asm operand modifier.
330 (*<shift_insn><mode>3_mask): Ditto.
331 (*<rotate_insn><mode>3_mask): Ditto.
333 2013-04-01 Uros Bizjak <ubizjak@gmail.com>
335 * config/i386/i386.md (*movsf_internal): Change type of
336 alternatives 3,4 to imov.
338 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
340 Backport from mainline
341 2013-02-27 Andrey Belevantsev <abel@ispras.ru>
344 * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
345 when the may_trap_p bit of the exprs being merged differs.
346 Reorder tests for speculativeness in the logical and operator.
348 Backport from mainline
349 2013-03-05 Jakub Jelinek <jakub@redhat.com>
352 * sel-sched-ir.c (free_sched_pools): Release
353 succs_info_pool.stack[succs_info_pool.max_top] vectors too
354 if succs_info_pool.max_top isn't -1.
356 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
358 Backport from mainline
359 2012-02-19 Andrey Belevantsev <abel@ispras.ru>
362 * sel-sched.c: Include ira.h.
363 (implicit_clobber_conflict_p): New function.
364 (moveup_expr): Use it.
365 * Makefile.in (sel-sched.o): Depend on ira.h.
367 2013-04-01 Andrey Belevantsev <abel@ispras.ru>
369 Backport from mainline
370 2013-02-25 Andrey Belevantsev <abel@ispras.ru>
371 Alexander Monakov <amonakov@ispras.ru>
374 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
375 flush pending lists also on non-jumps. Adjust comment.
377 2013-03-30 Gerald Pfeifer <gerald@pfeifer.com>
379 * doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.
380 * doc/extend.texi (Named Address Spaces): Ditto.
381 (Variable Attributes): Ditto.
383 2013-03-28 Eric Botcazou <ebotcazou@adacore.com>
385 * toplev.c (process_options): Do not disable -fomit-frame-pointer on a
386 general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
389 2013-03-27 Walter Lee <walt@tilera.com>
391 Backport from mainline:
392 2013-03-27 Walter Lee <walt@tilera.com>
394 * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
395 double-decrement of next_scratch_regno.
397 2013-03-27 Walter Lee <walt@tilera.com>
399 Backport from mainline:
400 2013-03-27 Walter Lee <walt@tilera.com>
402 * config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on
404 (insn_v1mulus): Ditto.
405 (insn_v2muls): Ditto.
407 2013-03-27 Walter Lee <walt@tilera.com>
409 Backport from mainline:
410 2013-03-27 Walter Lee <walt@tilera.com>
412 * config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete
414 (ASM_OUTPUT_ADDR_DIFF_ELT): Ditto.
416 2013-03-27 Walter Lee <walt@tilera.com>
418 Backport from mainline:
419 2013-03-27 Walter Lee <walt@tilera.com>
421 * config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute
423 (*sibcall_value): Ditto.
425 2013-03-27 Walter Lee <walt@tilera.com>
427 Backport from mainline:
428 2013-03-27 Walter Lee <walt@tilera.com>
430 * config/tilegx/tilegx.md (insn_mnz_<mode>): Replaced by ...
431 (insn_mnz_v8qi): ... this ...
432 (insn_mnz_v4hi): ... and this. Replace (const_int 0) with the
434 (insn_v<n>mnz): Replaced by ...
435 (insn_v1mnz): ... this ...
436 (insn_v2mnz): ... and this. Replace (const_int 0) with the vector
438 (insn_mz_<mode>): Replaced by ...
439 (insn_mz_v8qi): ... this ...
440 (insn_mz_v4hi): ... and this. Replace (const_int 0) with the
442 (insn_v<n>mz): Replaced by ...
443 (insn_v1mz): ... this ...
444 (insn_v2mz): ... and this. Replace (const_int 0) with the vector
447 2013-03-26 Eric Botcazou <ebotcazou@adacore.com>
449 * doc/invoke.texi (SPARC options): Remove -mlittle-endian.
451 2013-03-26 Richard Biener <rguenther@suse.de>
453 Backport from mainline:
454 2013-03-13 Richard Biener <rguenther@suse.de>
456 PR tree-optimization/56608
457 * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
458 calls when vectorizing basic-blocks.
460 2013-03-05 Richard Biener <rguenther@suse.de>
462 PR tree-optimization/56270
463 * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
464 of loads after scheduling an SLP instance.
466 2013-03-26 Walter Lee <walt@tilera.com>
468 Backport from mainline:
469 2013-03-26 Walter Lee <walt@tilera.com>
471 * config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define.
472 * config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define.
474 2013-03-26 Walter Lee <walt@tilera.com>
476 Backport from mainline:
477 2013-03-25 Walter Lee <walt@tilera.com>
479 * config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add
480 TILEGX_INSN_SHUFFLEBYTES1.
481 * config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for
483 (tilegx_builtins): Ditto.
484 * config/tilegx/tilegx.md (insn_shufflebytes1): New pattern.
486 2013-03-26 Walter Lee <walt@tilera.com>
488 Backport from mainline:
489 2013-03-25 Walter Lee <walt@tilera.com>
491 * config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline
492 tests for constraint J, K, N, P.
494 2013-03-26 Walter Lee <walt@tilera.com>
496 Backport from mainline:
497 2013-03-25 Walter Lee <walt@tilera.com>
499 * config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format):
500 Use indirect/pcrel encoding.
501 * config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format):
504 2013-03-25 Oleg Endo <olegendo@gcc.gnu.org>
506 Backport from mainline:
507 2013-03-13 Oleg Endo <olegendo@gcc.gnu.org>
508 2013-03-14 Kaz Kojima <kkojima@gcc.gnu.org>
511 * config/sh/sh.opt (FPU_SINGLE_ONLY): New mask.
512 (musermode): Convert to Var(TARGET_USERMODE).
513 * config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY,
514 MASK_ARCH): Add MASK_FPU_SINGLE_ONLY.
515 * config/sh/sh.c (sh_option_override): Use
516 TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case.
517 * config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4
519 (udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of
521 (udivsi3_i4_single, divsi3_i4_single): Use
522 TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4.
523 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE.
524 (SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default.
525 * config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE.
526 (SUBTARGET_OVERRIDE_OPTIONS): New.
528 2013-03-25 Oleg Endo <olegendo@gcc.gnu.org>
530 Backport from mainline:
531 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
533 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
534 to m2a-single instead of m2e.
536 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
539 * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET
542 2013-03-22 H.J. Lu <hongjiu.lu@intel.com>
545 * config/i386/i386.c (init_cumulative_args): Also set
546 cum->callee_return_avx256_p.
547 (ix86_function_arg): Set cum->callee_pass_avx256_p. Set
548 cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode.
550 * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and
551 callee_return_avx256_p.
553 2013-03-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
555 Backport from mainline:
556 2012-12-04 Ian Lance Taylor <iant@google.com>
558 * godump.c (find_dummy_types): Output a dummy type if we couldn't
559 output the real type.
561 2013-03-20 Jack Howarth <howarth@bromo.med.uc.edu>
564 * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx.
565 (PLUS_EXPR): Likewise.
566 * doc/cppopts.texi (--help): Likewise.
567 * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise.
568 (-fdump-rtl-cprop_hardreg): Likewise.
569 (-fdump-rtl-csa): Likewise.
570 (-fdump-rtl-dce): Likewise.
571 (-fdump-rtl-dbr): Likewise.
572 (-fdump-rtl-into_cfglayout): Likewise.
573 (-fdump-rtl-outof_cfglayout): Likewise.
575 2013-03-18 Richard Earnshaw <rearnsha@arm.com>
578 * config/arm/arm.c (shift_op): Validate RTL pattern on the fly.
579 (arm_print_operand, case 'S'): Don't use shift_operator to validate
582 2013-03-14 Seth LaForge <sethml@google.com>
585 Backport from mainline
586 2012-10-22 Julian Brown <julian@codesourcery.com>
588 * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
589 VFP D registers in big-endian mode.
591 2013-03-08 Joey Ye <joey.ye@arm.com>
593 Backport from mainline
594 2013-03-06 Joey Ye <joey.ye@arm.com>
597 * gcc.c (convert_white_space): New function.
598 (main): Handles white space in function name.
600 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
602 Backport from mainline
603 2013-03-06 Oleg Endo <olegendo@gcc.gnu.org>
606 * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
607 instead of TARGET_SH2 for call-table case. Do not set sh_div_strategy
608 to SH_DIV_CALL_TABLE for TARGET_SH2.
609 * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
611 * doc/invoke.texi (SH options): Use table for mdiv= option. Document
612 mdiv= call-div1, call-fp, call-table options.
614 2013-03-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
616 * config.gcc (arm*-*-rtemself*): New.
617 (arm*-*-rtems*): Removed.
618 (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
619 "arm*-*-rtemseabi*" to "arm*-*-rtems*".
621 2013-03-01 Richard Biener <rguenther@suse.de>
623 Backport from mainline
624 2012-12-12 Zdenek Dvorak <ook@ucw.cz>
626 PR tree-optimization/55481
627 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
628 back to general rewriting if we cannot leave an original biv
631 2013-03-01 Richard Biener <rguenther@suse.de>
633 Backport from mainline
634 2012-04-10 Richard Guenther <rguenther@suse.de>
637 * gimple-low.c (gimple_check_call_args): Properly account for
638 compatible aggregate types.
640 2013-02-26 Nick Clifton <nickc@redhat.com>
643 Import this patch from the mainline:
645 2012-08-17 Nick Clifton <nickc@redhat.com>
647 * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
648 (branch_true): Likewise.
649 (branch_false): Likewise.
651 2013-02-26 Jakub Jelinek <jakub@redhat.com>
653 PR tree-optimization/56443
654 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
655 overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
656 to type_for_mode langhook.
658 2013-02-21 Jakub Jelinek <jakub@redhat.com>
661 * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
664 2013-02-19 Jakub Jelinek <jakub@redhat.com>
666 Backported from mainline
667 2013-02-19 Jakub Jelinek <jakub@redhat.com>
669 PR tree-optimization/56350
670 * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
671 if haven't found reduction or nested cycle operand, rather than
672 asserting we must find it.
674 PR tree-optimization/56381
675 * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
678 2013-02-08 Jakub Jelinek <jakub@redhat.com>
680 PR tree-optimization/56250
681 * fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
682 if type is unsigned and code isn't MULT_EXPR.
684 2013-02-06 Jakub Jelinek <jakub@redhat.com>
687 * omp-low.c (use_pointer_for_field): Return false if
688 lower_send_shared_vars doesn't generate any copy-out code.
690 2012-11-27 Jakub Jelinek <jakub@redhat.com>
692 PR tree-optimization/55110
693 * tree-vect-loop.c (vectorizable_reduction): Don't assert
694 that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.
696 2013-02-18 Richard Biener <rguenther@suse.de>
699 2013-02-04 Richard Biener <rguenther@suse.de>
701 Backport from mainline
702 2012-07-04 Richard Guenther <rguenther@suse.de>
704 PR tree-optimization/53844
705 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
706 the loop virtual PHI.
708 2013-02-13 David S. Miller <davem@davemloft.net>
710 * expmed.c (expand_shift_1): Only strip scalar integer subregs.
712 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
714 Backport from mainline
715 2013-02-11 Uros Bizjak <ubizjak@gmail.com>
717 PR rtl-optimization/56275
718 * simplify-rtx.c (avoid_constant_pool_reference): Check that
719 offset is non-negative and less than cmode size before
720 calling simplify_subreg.
722 2013-02-09 Uros Bizjak <ubizjak@gmail.com>
724 Backport from mainline
725 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
727 * config/i386/sse.md (FMAMODEM): New mode iterator.
728 (fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
729 mode iterator. Do not use TARGET_SSE_MATH in insn constraint.
731 2013-02-08 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
734 when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
735 * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.
737 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
739 Backport from mainline
740 2013-02-08 Michael Meissner <meissner@linux.vnet.ibm.com>
743 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
744 If there is no implicit builtin declaration, just return NULL.
746 2013-02-08 David Edelsohn <dje.gcc@gmail.com>
747 Michael Meissner <meissner@linux.vnet.ibm.com>
749 Backport from mainline
750 * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear
751 MASK_VSX from set_masks if OS_MISSING_ALTIVEC.
753 2013-02-07 David S. Miller <davem@davemloft.net>
755 * dwarf2out.c (based_loc_descr): Perform leaf register remapping
757 * var-tracking.c (vt_add_function_parameter): Test the presence of
758 HAVE_window_save properly and do not remap argument registers when
759 we have a leaf function.
761 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
763 Backport from mainline
764 2013-02-07 Uros Bizjak <ubizjak@gmail.com>
767 * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
769 * config/i386/i386.c (ix86_print_operand): Ditto.
771 2013-02-07 Alan Modra <amodra@gmail.com>
774 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
775 static chain, set REST_INLINE_FPRS too.
777 2013-02-06 David Edelsohn <dje.gcc@gmail.com>
779 Backport from mainline
780 2013-01-25 Michael Haubenwallner <michael.haubenwallner@salomon.at>
782 * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
783 * configure: Regenerate.
785 2013-02-05 David Edelsohn <dje.gcc@gmail.com>
787 Backport from mainline
788 2013-02-03 David Edelsohn <dje.gcc@gmail.com>
789 Andrew Dixie <andrewd@gentrack.com>
791 * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
794 2013-02-05 Richard Biener <rguenther@suse.de>
796 Backport from mainline
797 2012-12-10 Richard Biener <rguenther@suse.de>
799 PR tree-optimization/55107
800 * tree-ssa-pre.c (struct pre_stats): Remove constified field.
801 (bitmap_set_replace_value): Add gcc_unreachable.
802 (do_regular_insertion): Re-write all_same handling. Insert
803 an assignment instead of a PHI in this case.
804 (execute_pre): Do not record constified events.
806 2013-02-05 Richard Biener <rguenther@suse.de>
808 PR tree-optimization/54767
809 * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
810 backedges drop all symbolical range information.
811 (execute_vrp): Compute backedges.
813 2013-02-04 Richard Biener <rguenther@suse.de>
815 Backport from mainline
816 2012-01-11 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/44061
819 * tree-vrp.c (extract_range_basic): Compute zero as
820 value-range for __builtin_constant_p of function parameters.
822 2013-01-08 Jakub Jelinek <jakub@redhat.com>
825 * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p.
827 2013-02-04 Richard Biener <rguenther@suse.de>
829 Backport from mainline
830 2012-07-04 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/53844
833 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
834 the loop virtual PHI.
836 2012-12-13 Richard Biener <rguenther@suse.de>
839 * tree-streamer.c (record_common_node): Check that we are not
840 recursively pre-loading nodes we want to skip. Handle
841 char_type_node appearing as part of va_list_type_node.
843 2013-02-04 Richard Biener <rguenther@suse.de>
846 * gimple.h (gimple_call_builtin_class_p): New function.
847 * gimple.c (validate_call): New function.
848 (gimple_call_builtin_class_p): Likewise.
849 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
850 Use gimple_call_builtin_class_p.
851 (find_func_clobbers): Likewise.
852 * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
853 (strlen_optimize_stmt): Likewise.
855 2013-02-01 Jakub Jelinek <jakub@redhat.com>
857 Backported from mainline
858 2013-01-28 Jakub Jelinek <jakub@redhat.com>
860 PR tree-optimization/56125
861 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
862 pow(x,c) into sqrt(x) * powi(x, n/2) or
863 1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
865 Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
866 1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
869 2013-01-25 Jakub Jelinek <jakub@redhat.com>
871 PR tree-optimization/56098
872 * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
873 for stmts with volatile ops.
874 (cond_store_replacement): Don't optimize if assign has volatile ops.
875 (cond_if_else_store_replacement_1): Don't optimize if either
876 then_assign or else_assign have volatile ops.
878 2013-01-23 Jakub Jelinek <jakub@redhat.com>
881 * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
882 instead of cmpdi_operand for first comparison operand.
883 Don't assert that comparison operands aren't both constants.
885 2013-01-21 Jakub Jelinek <jakub@redhat.com>
887 PR tree-optimization/56051
888 * fold-const.c (fold_binary_loc): Don't fold
889 X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
890 a narrowing conversion, or widening conversion from signed
893 2013-01-18 Jakub Jelinek <jakub@redhat.com>
896 * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
897 the case where writing real complex part of target modifies
900 2013-01-15 Jakub Jelinek <jakub@redhat.com>
903 * function.c (thread_prologue_and_epilogue_insns): Always
904 add crtl->drap_reg to set_up_by_prologue.set, even if
905 stack_realign_drap is false.
907 2013-01-10 Jakub Jelinek <jakub@redhat.com>
909 PR tree-optimization/55921
910 * tree-complex.c (expand_complex_asm): New function.
911 (expand_complex_operations_1): Call it for GIMPLE_ASM.
913 2013-01-03 Jakub Jelinek <jakub@redhat.com>
915 PR rtl-optimization/55838
916 * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
917 iv0.step, iv1.step and step.
919 2012-11-23 Jakub Jelinek <jakub@redhat.com>
922 * Makefile.in (gimple-low.o): Depend on langhooks.h.
923 * gimple-low.c: Include langhooks.c.
924 (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
925 by default call lang_hooks.block_may_fallthru.
926 * langhooks.h (struct lang_hooks): Add block_may_fallthru
928 * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
929 (LANG_HOOKS_INITIALIZER): Use it.
931 2012-11-20 Jakub Jelinek <jakub@redhat.com>
934 * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
935 on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
936 * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
937 on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
938 fail if the last real insn doesn't have REG_ARGS_SIZE note.
940 2012-11-17 Jakub Jelinek <jakub@redhat.com>
942 PR tree-optimization/55236
943 * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
944 and signed ARG0_TYPE, force low and high to be non-NULL.
946 2012-11-13 Jakub Jelinek <jakub@redhat.com>
948 PR rtl-optimization/54127
949 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
950 asm goto labels from BB_HEAD (e->dest) to target bb, decrement
951 LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
952 BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
953 REG_LABEL_TARGET and REG_LABEL_OPERAND.
955 2013-02-01 Eric Botcazou <ebotcazou@adacore.com>
957 * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
958 range isn't testing for zero.
960 2013-01-29 Richard Biener <rguenther@suse.de>
962 PR tree-optimization/56113
963 * tree-ssa-structalias.c (equiv_class_lookup): Also return
965 (label_visit): Free duplicate bitmaps and record the leader instead.
966 (perform_var_substitution): Adjust.
968 2013-01-28 Serowk <serowk@yandex.ru>
971 * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
972 Fix mode checks to allow for the passing of constants in the
974 (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
975 Add entries in the switch statement for builtin iwmmxt vector
976 shift and rotate builtins.
978 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
980 Backport from mainline
981 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
984 * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
985 operand 0 in movabs insn template for -masm=intel asm alternative.
986 (*movabs<mode>_2): Ditto for operand 1.
988 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
990 Backport from mainline
991 2013-01-22 Uros Bizjak <ubizjak@gmail.com>
994 * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
995 alternative to (o,r).
996 (*movdi_internal_rex64): Remove (!o,n) alternative.
997 (DImode immediate->memory splitter): Remove.
998 (DImode immediate->memory peephole2): Remove.
999 (movtf): Enable for TARGET_64BIT || TARGET_SSE.
1000 (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
1001 alternative to (!o,*r).
1002 (*movtf_internal_sse): New pattern.
1003 (*movxf_internal_rex64): New pattern.
1004 (*movxf_internal): Disable for TARGET_64BIT.
1005 (*movdf_internal_rex64): Remove (!o,F) alternative.
1007 2013-01-23 Uros Bizjak <ubizjak@gmail.com>
1009 * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
1010 involving stack registers slightly.
1012 2013-01-24 Uros Bizjak <ubizjak@gmail.com>
1014 * config/i386/constraints.md (Yf): New constraint.
1015 * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
1016 of f constraint to conditionaly disable x87 register preferences.
1017 (*movdf_internal): Ditto.
1018 (*movsf_internal): Ditto.
1020 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
1022 * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
1023 (*movtf_internal_rex64): Add (!o,C) alternative
1024 (*movxf_internal_rex64): Ditto.
1025 (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
1027 2013-01-25 Georg-Johann Lay <avr@gjlay.de>
1029 * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
1031 2013-01-24 Martin Jambor <mjambor@suse.cz>
1033 Backport from mainline
1034 2013-01-04 Martin Jambor <mjambor@suse.cz>
1036 PR tree-optimization/55755
1037 * tree-sra.c (sra_modify_assign): Do not check that an access has no
1038 children when trying to avoid producing a VIEW_CONVERT_EXPR.
1040 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1042 Backport from mainline
1043 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1045 * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
1047 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
1049 PR rtl-optimization/56023
1050 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
1051 dependent on debug instruction.
1053 2013-01-21 Martin Jambor <mjambor@suse.cz>
1055 Backport from mainline
1056 2013-01-17 Martin Jambor <mjambor@suse.cz>
1058 PR tree-optimizations/55264
1059 * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
1060 * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false
1061 for virtual functions.
1062 * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
1063 for virtual methods.
1064 * ipa.c (cgraph_remove_unreachable_nodes): Never return true for
1065 virtual methods before inlining is over.
1067 2013-01-17 Uros Bizjak <ubizjak@gmail.com>
1069 Backport from mainline
1070 2012-01-17 Uros Bizjak <ubizjak@gmail.com>
1073 * config/i386/sync.md (atomic_store<mode>): Generate SWImode
1074 store through atomic_store<mode>_1.
1075 (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
1077 2013-01-16 Richard Biener <rguenther@suse.de>
1080 * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
1081 account for bitpos when computing alignment.
1083 2013-01-14 Georg-Johann Lay <avr@gjlay.de>
1085 Backport from 2013-01-14 trunk r195169.
1088 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
1089 etc. to 1 and not to __flash.
1090 Use LL suffix for __INT24_MAX__ with -mint8.
1091 Use ULL suffix for __UINT24_MAX__ with -mint8.
1093 2013-01-14 Matthias Klose <doko@ubuntu.com>
1095 * doc/invoke.texi: Document -print-multiarch.
1096 * doc/install.texi: Document --enable-multiarch.
1097 * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
1098 * configure.ac: Add --enable-multiarch option.
1099 Substitute with_cpu, with_float.
1100 * configure: Regenerate.
1101 * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
1102 enable_multiarch, with_cpu, with_float: New macros.
1103 if_multiarch: New macro, define in terms of enable_multiarch.
1104 * genmultilib: Add new argument for the multiarch name.
1105 * gcc.c (multiarch_dir): Define.
1106 (for_each_path): Search for multiarch suffixes.
1107 (driver_handle_option): Handle multiarch option.
1108 (do_spec_1): Pass -imultiarch if defined.
1109 (main): Print multiarch.
1110 (set_multilib_dir): Separate multilib and multiarch names
1111 from multilib_select.
1112 (print_multilib_info): Ignore multiarch names in multilib_select.
1113 * incpath.c (add_standard_paths): Search the multiarch include dirs.
1114 * cppdefault.h (default_include): Document multiarch in multilib
1116 * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
1117 include directory for multiarch directories.
1118 * common.opt: New options --print-multiarch and -imultilib.
1120 * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
1121 Include i386/t-linux.
1122 <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
1123 Include i386/t-kfreebsd.
1124 <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
1125 * config/i386/t-linux64: Add multiarch names in
1126 MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
1127 * config/i386/t-gnu: New file.
1128 * config/i386/t-kfreebsd: Likewise.
1129 * config/i386/t-linux: Likewise.
1131 * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1132 * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
1133 * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
1134 for 32bit non-biarch configurations.
1136 * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
1137 * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
1140 * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1142 * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
1144 * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1145 * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
1146 * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
1148 (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
1149 * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
1150 Include rs6000/t-linux for 32bit non-biarch configurations.
1152 * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
1154 * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
1156 * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
1157 * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
1159 * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
1160 * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
1162 2013-01-14 Eric Botcazou <ebotcazou@adacore.com>
1164 * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
1165 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
1166 (vect_estimate_min_profitable_iter): Adjust to above fix.
1167 * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.
1169 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1171 Backport from mainline
1172 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1174 * doc/extend.texi (X86 Built-in Functions): Add whitespace in
1175 __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
1176 documentation. Add missing '__' in front of
1177 __builtin_ia32_packssdw256.
1179 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
1181 Backport from mainline
1182 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
1184 * config/i386/sse.md (*vec_interleave_highv2df): Change mode
1185 attribute of movddup insn to DF.
1186 (*vec_interleave_lowv2df): Ditto.
1187 (vec_dupv2df): Ditto.
1189 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1191 Backport from 2013-01-07 trunk r194991, r194992.
1194 * doc/extend.texi (AVR Named Address Spaces): __memx goes into
1197 * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
1198 (avr_addrspace_t): Add .section_name field.
1199 * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
1201 (avr_addrspace): Same. Initialize .section_name. Remove last
1202 NULL entry. Put __memx into .progmemx.data.
1203 (progmem_section_prefix): Remove.
1204 (avr_asm_init_sections): No need to initialize progmem_section.
1205 (avr_asm_named_section): Use avr_addrspace[].section_name to get
1206 section name prefix.
1207 (avr_asm_select_section): Ditto. And use get_unnamed_section to
1208 retrieve the progmem section.
1209 * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
1210 boundary to run over avr_addrspace[].
1211 (avr_register_target_pragmas): Ditto.
1213 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1215 Backport from 2013-01-07 trunk r194978.
1218 * doc/install.texi (Cross-Compiler-Specific Options): Document
1221 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
1223 Backport from 2013-01-07 trunk r194968.
1226 * config/avr/t-avr: Don't automatically rebuild
1227 $(srcdir)/config/avr/t-multilib
1228 $(srcdir)/config/avr/avr-tables.opt
1229 (avr-mcus): New phony target to build them on request.
1230 (s-avr-mlib): Remove.
1231 * avr/avr-mcus.def: Adjust comments.
1233 2013-01-07 Terry Guo <terry.guo@arm.com>
1235 Backport from mainline
1236 2012-12-19 Terry Guo <terry.guo@arm.com>
1238 * config/arm/arm.c (thumb_find_work_register): Check argument
1239 register number based on current PCS.
1241 2013-01-06 Uros Bizjak <ubizjak@gmail.com>
1243 Backport from mainline
1244 2013-01-03 Uros Bizjak <ubizjak@gmail.com>
1247 * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
1248 selected code model, define __code_mode_small__, __code_model_medium__,
1249 __code_model_large__, __code_model_32__ or __code_model_kernel__.
1250 * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
1251 xchg temporary register with %k. Declare temporary register as
1253 [__x86_64__]: For medium and large code models, preserve %rbx register.
1255 2013-01-03 Richard Henderson <rth@redhat.com>
1257 * config/i386/i386.c (ix86_expand_move): Always assign to op1
1258 after eliminating TLS symbols.
1260 2013-01-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1263 * config/pa/pa.md (movsi): Revert previous change.
1264 * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
1267 2013-01-02 Rainer Emrich <rainer@emrich-ebersheim.de>
1270 * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
1273 2013-01-02 Jason Merrill <jason@redhat.com>
1276 * tree.c (build_array_type_1): Revert earlier change.
1278 2012-12-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1281 * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
1282 after reload starts.
1284 2012-12-21 Martin Jambor <mjambor@suse.cz>
1286 PR tree-optimization/55355
1287 * tree-sra.c (type_internals_preclude_sra_p): Also check that
1288 bit_position is small enough to fit a single HOST_WIDE_INT.
1290 2012-12-21 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1292 * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.
1294 2012-12-18 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1296 Backport from mainline
1297 2012-10-15 Matthias Klose <doko@ubuntu.com>
1299 * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
1300 * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
1302 2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
1303 Tomash Brechko <tomash.brechko@gmail.com>
1306 * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
1307 handling of before and after cases.
1308 * config/sparc/sync.md (atomic_store): Fix pasto.
1310 2012-12-14 Yvan Roux <yvan.roux@linaro.org>
1312 * optabs.c (expand_atomic_store): Elide redundant model test.
1314 2012-12-13 Richard Henderson <rth@redhat.com>
1317 * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
1319 2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
1322 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
1323 (tldo_stb_sp64): Likewise.
1324 (tldo_sth_sp32): Likewise.
1325 (tldo_sth_sp64): Likewise.
1326 (tldo_stw_sp32): Likewise.
1327 (tldo_stw_sp64): Likewise.
1328 (tldo_stx_sp64): Likewise.
1330 2012-12-10 Kai Tietz <ktietz@redhat.com>
1333 * print-tree.c (print_node): Cast from pointer via uintptr_t.
1335 2012-12-07 Uros Bizjak <ubizjak@gmail.com>
1337 Backport from mainline
1338 2012-12-06 Uros Bizjak <ubizjak@gmail.com>
1339 H.J. Lu <hongjiu.lu@intel.com>
1342 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
1343 before using it as insn or call equivalent.
1345 2012-12-06 Jason Merrill <jason@redhat.com>
1348 * tree.c (build_array_type_1): Re-layout if we found it in the
1351 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1353 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
1354 opaque cond in all call insns.
1356 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
1358 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
1359 area if the function allocates dynamic stack space.
1360 (ia64_initial_elimination_offset): Adjust offsets to above change.
1362 2012-12-03 Richard Biener <rguenther@suse.de>
1364 Backport from mainline
1365 2012-09-24 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/53663
1368 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
1369 native encode/interpret translation on VN_WALKREWRITE.
1371 2012-12-03 Kai Tietz <ktietz@redhat.com>
1374 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
1377 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
1380 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
1382 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1384 Backport from mainline:
1385 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1388 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
1389 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
1390 (in_nullified_branch_delay): Likewise.
1391 (in_call_delay): Likewise.
1392 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
1393 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
1394 the $$sh_func_adrs call as variable. Update type of sibcalls and
1395 $$sh_func_adrs call.
1396 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
1397 length instead of adjustment. Handle negative and undefined call
1398 adjustments for insn_default_length. Remove adjustment for millicode
1399 insn with unfilled delay slot.
1400 (pa_output_millicode_call): Update for revised millicode length.
1401 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
1403 2012-11-29 Kai Tietz <ktietz@redhat.com>
1406 * prefix.c (lookup_key): Replace xmalloc/xrealloc
1407 use by XNEWVEC/XRESIZEVEC.
1409 * i386.c (get_scratch_register_on_entry): Handle
1410 thiscall-convention.
1411 (split_stack_prologue_scratch_regno): Likewise.
1412 (ix86_static_chain): Likewise.
1413 (x86_output_mi_thunk): Likewise.
1415 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
1417 Backported from mainline
1418 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
1419 Markus Trippelsdorf <markus@trippelsdorf.de>
1422 * lto-opts.c (lto_write_options): Also handle
1423 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
1424 OPT_SPECIAL_program_name.
1427 * lto-wrapper.c (merge_and_complain): Handle
1428 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
1429 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
1431 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
1433 PR rtl-optimization/55489
1434 * gcse.c (compute_transp): Precompute a canonical version
1435 of XEXP (x, 0), and pass it to canon_true_dependence.
1437 2012-11-27 Richard Biener <rguenther@suse.de>
1440 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
1441 stmt with a NOP instead of removing it.
1443 2012-11-26 Richard Biener <rguenther@suse.de>
1445 Backport from mainline
1446 2012-10-19 Richard Biener <rguenther@suse.de>
1448 PR tree-optimization/54976
1449 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1450 Robustify against odd inner_mode inputs.
1452 2012-10-12 Richard Biener <rguenther@suse.de>
1454 PR tree-optimization/54894
1455 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
1456 Handle over-aligned scalar types properly.
1458 2012-10-02 Richard Guenther <rguenther@suse.de>
1461 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
1462 cleaning up the CFG.
1464 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
1466 Backport from mainline
1467 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
1469 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
1470 explaining the register ordering preferences.
1472 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
1473 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
1474 constraints so that the traditional floating point loads, stores,
1475 and moves are done first, then the VSX loads, stores, and moves,
1476 and finally the GPR loads, stores, and moves so that reload
1477 chooses FPRs over GPRs, and uses the traditional load/store
1478 instructions which provide an offset.
1479 (movdf_hardfloat64): Likewise.
1481 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
1483 Backported from mainline
1484 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
1485 H.J. Lu <hongjiu.lu@intel.com>
1488 * config/i386/i386.c (legitimize_pic_address): Properly handle
1490 (ix86_print_operand_address): Set code to 'k' when forcing
1491 addr32 prefix. For x32, zero-extend negative displacement if
1494 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
1496 * common.opt (fvar-tracking-uninit): Document.
1497 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
1498 * config/darwin.c (darwin_override_options): Likewise.
1500 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
1502 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
1503 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
1505 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
1507 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
1509 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
1511 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
1514 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
1516 Backport from mainline
1517 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
1519 * config/i386/i386.c (ix86_init_machine_status): Do not
1520 explicitly clear tls_descriptor_call_expanded_p again.
1522 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
1524 * config/i386/sse.md
1525 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
1526 as read and written by the instruction.
1528 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
1530 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
1531 (ix86_instantiate_decls): New function.
1532 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
1533 stack slot instead of SLOT_VIRTUAL.
1534 <case IX86_BUILTIN_STMXCSR>: Ditto.
1535 (assign_386_stack_local): Do not assert when virtual slot is valid.
1536 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
1537 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
1538 (truncxf<mode>2): Ditto.
1539 (floatunssi<mode>2): Ditto.
1540 (isinf<mode>2): Ditto.
1541 * config/i386/sync.md (atomic_load<mode>): Ditto.
1542 (atomic_store<mode>): Ditto.
1544 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
1547 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
1548 the argument is itself a conditional expression.
1550 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
1552 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
1555 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
1557 PR tree-optimization/54986
1558 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
1559 conversions on entry but add them back on exit if needed.
1561 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
1564 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
1566 (print_reg): Use true_regnum rather than REGNO.
1567 (ix86_print_operand_address): Remove SUBREG handling.
1569 2012-11-05 Jakub Jelinek <jakub@redhat.com>
1571 Backported from mainline
1572 2012-10-24 Jakub Jelinek <jakub@redhat.com>
1575 * gimple.h (is_gimple_sizepos): New inline function.
1576 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
1577 final assignment to expr variable.
1578 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
1579 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
1580 into a local temporary.
1582 2012-10-10 Jakub Jelinek <jakub@redhat.com>
1584 PR tree-optimization/54877
1585 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
1586 use make_ssa_name instead of copy_ssa_name.
1588 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
1590 Backport from mainline
1591 2012-10-31 Jakub Jelinek <jakub@redhat.com>
1593 PR tree-optimization/53708
1594 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
1595 user-supplied alignment when used with an explicit section name.
1597 2012-11-02 Jeff Law <law@redhat.com>
1599 PR tree-optimization/54985
1600 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
1601 from thread_across_edge.
1602 (thread_across_edge): Use it in all cases where we might thread
1605 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
1607 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
1608 special register pushes before frame probing and allocation.
1610 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
1611 Joel Sherrill <joel.sherrill@oarcorp.com>
1613 * config/sparc/t-rtems: New (Custom multilibs).
1614 * config/sparc/t-rtems-64: New (Custom multilibs).
1615 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
1616 (sparc-*-rtems*): Add sparc/t-rtems.
1618 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
1620 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
1622 (hash_rtx): Likewise.
1624 2012-10-29 Terry Guo <terry.guo@arm.com>
1626 Backport from mainline
1627 2012-10-11 Terry Guo <terry.guo@arm.com>
1629 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
1631 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
1634 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
1636 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
1637 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
1639 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
1641 * config/avr/t-rtems: Revert previous commit.
1643 2012-10-26 Terry Guo <terry.guo@arm.com>
1645 Backport from mainline
1646 2012-10-23 Terry Guo <terry.guo@arm.com>
1649 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
1652 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
1654 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
1656 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
1658 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1660 * config.gcc (microblaze*-*-rtems*): New target.
1661 * config/microblaze/rtems.h: New.
1662 * config/microblaze/t-rtems: New.
1664 2012-10-25 Richard Biener <rguenther@suse.de>
1666 PR tree-optimization/54902
1667 * tree-ssa-pre.c (fini_pre): Return TODO.
1668 (execute_pre): Adjust.
1669 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
1670 blocks before computing dominators.
1672 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
1674 Backport from mainline
1675 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
1677 * config/i386/i386.c (memory_address_length): Assert that non-null
1678 base or index RTXes are registers. Do not check for REG RTXes.
1679 Determine addr32 prefix using SImode_address_operand or
1680 from original base and index RTXes. Simplify code.
1682 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
1684 * config/i386/i386-protos.h (memory_address_length): Add new bool
1685 argument. Update all uses.
1686 * config/i386/i386.c (memory_address_length): If not LEA insn, then
1687 add length of addr32 prefix based on mode of base or index register.
1688 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
1689 addresses here. Update call to memory_address_length.
1690 (ix86_print_address_operand): Use SImode_address_operand predicate.
1691 * config/i386/predicates.md (SImode_address_operand): New.
1692 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
1693 to calculate "mode" attribute. Use SImode_address_operand predicate
1694 instead of open-coding accepted RTX codes.
1696 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
1698 Backport from 2012-10-22 trunk r192685.
1699 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
1700 Note __AVR_<device>__ is not defined for cores.
1701 Don't point to --help=target.
1702 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
1704 2012-10-19 Marek Polacek <polacek@redhat.com>
1706 Backported from mainline
1707 2012-10-19 Marek Polacek <polacek@redhat.com>
1710 * fold-const.c (fold_sign_changed_comparison): Punt if folding
1711 pointer/non-pointer comparison.
1713 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
1715 Backported from mainline
1716 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
1719 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
1720 sure the mode is correct when falling through from above cases.
1722 2012-10-19 Alan Modra <amodra@gmail.com>
1724 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
1725 (HAVE_LD_LARGE_TOC): Likewise.
1726 * configure: Regenerate.
1728 2012-10-19 Alan Modra <amodra@gmail.com>
1730 * config/rs6000/predicates.md (splat_input_operand): Don't call
1731 input_operand for MEMs. Instead check for volatile and call
1732 memory_address_addr_space_p with modified mode.
1734 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
1736 Backported from mainline
1737 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
1739 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
1741 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
1743 PR rtl-optimization/54870
1744 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
1745 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
1746 SSA_NAME pointer that points to a partition if there is at least
1747 one variable with it set in the partition.
1748 * dse.c (local_variable_can_escape): New predicate.
1749 (can_escape): Call it.
1750 * gimplify.c (mark_addressable): If this is a partitioned decl, also
1751 mark the SSA_NAME pointer that points to a partition.
1753 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
1755 Backport from mainline
1756 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
1758 PR rtl-optimization/53701
1759 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
1760 rocess not only expr's vinsns but all old vinsns from expr's
1763 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
1765 Backport from mainline
1766 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
1769 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
1771 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
1772 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
1773 only if producer writes to the register given by regno.
1775 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
1777 Backport from mainline
1778 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
1780 * config/i386/sse.md (UNSPEC_MOVU): Remove.
1781 (UNSPEC_LOADU): New.
1782 (UNSPEC_STOREU): Ditto.
1783 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
1784 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
1785 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
1786 (<sse2>_movdqu<avxsizesuffix>): Split to ...
1787 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
1788 (<sse2>_storedqu<avxsizesuffix>): ... this.
1789 (*sse4_2_pcmpestr_unaligned): Update.
1790 (*sse4_2_pcmpistr_unaligned): Ditto.
1792 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
1793 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
1794 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
1795 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
1796 gen_sse2_load{dqu,upd} to load from unaligned memory and
1797 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
1799 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
1800 Use CODE_FOR_sse_loadups.
1801 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
1802 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
1803 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
1804 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
1805 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
1806 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
1807 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
1808 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
1809 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
1810 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
1811 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
1813 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
1815 Backport from trunk (r190222):
1817 PR tree-optimization/54146
1818 * ifcvt.c: Include pointer-set.h.
1819 (cond_move_process_if_block): Change type of then_regs and
1820 else_regs from alloca'd array to pointer_sets.
1821 (check_cond_move_block): Update for this change.
1822 (cond_move_convert_if_block): Likewise.
1823 * Makefile.in: Fix dependencies for ifcvt.o.
1825 2012-10-15 Richard Guenther <rguenther@suse.de>
1827 PR tree-optimization/54920
1828 * tree-ssa-pre.c (create_expression_by_pieces): Properly
1829 allocate temporary storage for all NARY elements.
1831 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
1834 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
1836 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
1838 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
1839 default_use_cxa_atexit to yes.
1841 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1843 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
1845 2012-10-05 Jan Hubicka <jh@suse.cz>
1846 Jakub Jelinek <jakub@redhat.com>
1848 PR tree-optimization/33763
1849 * tree-inline.c (expand_call_inline): Silently ignore always_inline
1850 attribute for redefined extern inline functions.
1852 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
1854 Backported from mainline
1855 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
1857 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
1858 in SSE and YMM state support check for -march=native.
1860 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
1863 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
1866 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1868 Backported from mainline
1869 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1872 * doc/invoke.texi: Document -mprefer-avx128.
1874 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1876 Backported from mainline
1877 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1880 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
1881 (XSTATE_FP): Likewise.
1882 (XSTATE_SSE): Likewise.
1883 (XSTATE_YMM): Likewise.
1884 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
1885 SSE and YMM states aren't supported.
1887 2012-10-01 Tom de Vries <tom@codesourcery.com>
1889 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
1892 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1895 * config/s390/s390.c (s390_option_override): Add missing break.
1897 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1899 Backport from mainline
1900 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1902 * config.gcc: Replace 'host' with 'target' when configuring for
1903 powerpc64*-*-freebsd.
1905 2012-09-28 Meador Inge <meadori@codesourcery.com>
1907 Backport from mainline
1908 2012-09-27 Meador Inge <meadori@codesourcery.com>
1910 * gcc-ar.c (main): Handle the returning of the sub-process error
1913 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
1915 Backport from 2012-09-28 trunk r191821.
1916 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
1918 2012-09-27 Jakub Jelinek <jakub@redhat.com>
1921 * simplify-rtx.c (simplify_binary_operation_1): Perform
1922 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
1924 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
1926 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
1927 TYPE_NONALIASED_COMPONENT flag.
1928 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
1929 TYPE_NONALIASED_COMPONENT flag.
1931 2012-09-21 Richard Guenther <rguenther@suse.de>
1934 Backport from mainline
1935 2012-04-19 Richard Guenther <rguenther@suse.de>
1937 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
1940 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1943 * c-typeck.c (c_cast_expr): When casting to a type requiring
1944 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
1947 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1950 * c-typeck.c (build_unary_op): Pass original argument of
1951 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
1952 any C_MAYBE_CONST_EXPR, if it has integer operands.
1953 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
1954 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
1955 to c_objc_common_truthvalue_conversion, then remove any
1956 C_MAYBE_CONST_EXPR, if they have integer operands. Use
1957 c_objc_common_truthvalue_conversion not
1958 c_common_truthvalue_conversion.
1959 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
1960 call note_integer_operands for arguments with integer operands
1961 that are not integer constants.
1963 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1965 Backported from mainline
1966 2012-09-17 Jakub Jelinek <jakub@redhat.com>
1968 PR tree-optimization/54563
1969 * tree-ssa-math-opts.c (execute_cse_sincos): Call
1970 gimple_purge_dead_eh_edges if last call has been changed.
1972 2012-09-14 Jakub Jelinek <jakub@redhat.com>
1975 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
1976 instead of (match_dup 0) as second argument to vec_merge.
1977 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
1978 Remove third alternative.
1979 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
1980 operand 2 instead of operand 1, but put it as first argument
1982 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
1983 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
1986 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1988 * BASE-VER: Set to 4.7.3.
1989 * DEV-PHASE: Set to prerelease.
1991 2012-09-20 Release Manager
1993 * GCC 4.7.2 released.
1995 2012-09-15 Andi Kleen <ak@linux.intel.com>
1997 Backport from mainline
1998 2012-09-07 Andi Kleen <ak@linux.intel.com>
2000 * gcc/lto-streamer.h (res_pair): Add.
2001 (lto_file_decl_data): Replace resolutions with respairs.
2003 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
2004 Initialize respairs.
2005 (lto_file_finalize): Set up resolutions vector lazily from respairs.
2007 2012-09-14 Walter Lee <walt@tilera.com>
2009 Backport from mainline.
2010 2012-09-14 Walter Lee <walt@tilera.com>
2012 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
2013 option for TILEPro and TILE-Gx.
2015 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
2017 * config/i386/i386.h (x86_prefetchw): New global variable.
2018 (TARGET_PREFETCHW): New macro.
2019 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
2020 (processor_alias_table): Add PTA_PREFETCHW to
2021 bdver1, bdver2 and btver1.
2022 (ix86_option_override_internal): Set x86_prefetchw for
2023 PTA_PREFETCHW targets.
2024 * config/i386/i386.md (prefetch): Expand to prefetchw
2025 for TARGET_PREFETCHW.
2026 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
2028 Backport from mainline
2029 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
2031 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
2032 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
2034 (*prefetch_sse): ... this.
2035 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
2037 (*prefetch_3dnow): ... this.
2039 2012-09-13 Jakub Jelinek <jakub@redhat.com>
2042 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
2043 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
2045 2012-09-12 Teresa Johnson <tejohnson@google.com>
2047 Backport from mainline.
2048 2012-09-12 Teresa Johnson <tejohnson@google.com>
2050 PR gcov-profile/54487
2051 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
2052 test using F_SETLKW with fcntl.
2053 * configure, config.in: Regenerate.
2055 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
2057 Backport from mainline
2058 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2060 * config/i386/i386.md : Comments on fma4 instruction selection
2061 reflect requirement on register pressure based cost model.
2063 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
2064 flag is set-reset as informed by the cpuid flag.
2066 * config/i386/i386.c (processor_alias_table): fma4
2067 flag is enabled for bdver2.
2069 2012-09-12 Christian Bruel <christian.bruel@st.com>
2071 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
2073 2012-09-12 Jakub Jelinek <jakub@redhat.com>
2075 * config.gcc: Obsolete picochip-*.
2077 2012-09-11 Richard Guenther <rguenther@suse.de>
2080 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
2081 on flag_toplevel_reorder.
2083 2012-09-10 Richard Henderson <rth@redhat.com>
2085 * config/alpha/predicates.md (small_symbolic_operand): Disallow
2088 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
2090 Backport from 2012-09-10 mainline r191132.
2093 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
2095 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
2098 * tree-sra.c (disqualify_base_of_expr): Check for possible
2099 NULL_TREE returned by get_base_address()
2101 2012-09-07 Richard Guenther <rguenther@suse.de>
2103 Backport from mainline
2104 2012-06-26 Jan Hubicka <jh@suse.cz>
2107 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
2110 2012-09-07 Richard Guenther <rguenther@suse.de>
2112 Backport from mainline
2113 2012-07-13 Richard Guenther <rguenther@suse.de>
2115 PR tree-optimization/53922
2116 * tree-vrp.c (value_inside_range): Change prototype to take
2117 min/max instead of value-range.
2118 (range_includes_zero_p): Likewise. Return the result from
2120 (extract_range_from_binary_expr_1): Adjust to handle dont-know
2121 return value from range_includes_zero_p.
2122 (extract_range_from_unary_expr_1): Likewise.
2123 (compare_range_with_value): Likewise.
2124 (vrp_meet_1): Likewise.
2126 2012-09-07 Richard Guenther <rguenther@suse.de>
2129 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
2130 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
2131 arguments separately.
2133 2012-09-07 Jakub Jelinek <jakub@redhat.com>
2135 Backported from mainline
2136 2012-09-06 Jakub Jelinek <jakub@redhat.com>
2138 PR rtl-optimization/54455
2139 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
2140 bb ends up with asm goto referencing bb's label.
2142 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2144 Backport from mainline.
2145 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2146 Richard Earnshaw <richard.earnshaw@arm.com>
2149 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
2150 element size. Use elem_type from the formal parameter. New parameter
2152 (neon_expand_args): Adjust call to neon_dereference_pointer.
2154 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
2156 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
2157 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
2159 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
2161 Backport from mainline
2162 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
2164 * config/i386/i386.md (isa): Add fma and fma4.
2165 (enabled): Handle fma and fma4.
2166 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
2167 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
2168 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
2169 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
2170 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
2171 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
2173 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
2175 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
2176 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
2177 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
2179 2012-09-06 Richard Guenther <rguenther@suse.de>
2181 PR tree-optimization/54498
2182 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
2183 abort when reaching an already visited region.
2184 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
2185 (get_continuation_for_phi_1): Likewise.
2186 (walk_non_aliased_vuses): When we translated the reference,
2187 abort when we re-visit a region.
2188 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
2190 2012-09-06 Andrew Pinski <apinski@cavium.com>
2193 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
2195 2012-09-05 Jakub Jelinek <jakub@redhat.com>
2198 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
2199 build_int_cst with size_type_node instead of size_int.
2201 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
2203 Backport from 2012-09-05 mainline r190697.
2206 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
2207 configured --with-avrlibc.
2208 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
2210 * config/avr/avrlibc.h: New file.
2211 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
2212 configured --with-avrlibc.
2213 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
2215 2012-09-05 Bin Cheng <bin.cheng@arm.com>
2217 Backport from 2012-09-04 mainline r190919
2220 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
2221 of size less than 4 bytes by using macro ARM_NUM_INTS.
2222 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
2224 2012-09-04 Richard Henderson <rth@redhat.com>
2226 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
2228 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
2230 Backport from 2012-09-04 mainline r190920
2233 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
2235 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2237 Backport from 2012-09-04 mainline r190914
2240 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
2242 (avr_allocate_stack_slots_for_args): ...this new static function.
2244 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
2246 Backported from mainline
2247 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
2250 * doc/invoke.texi: Add -da and remove -dm.
2252 2012-09-03 Jakub Jelinek <jakub@redhat.com>
2254 Backported from mainline
2255 2012-09-01 Jakub Jelinek <jakub@redhat.com>
2258 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
2259 operands[1] is CONST_INT_P, convert it to QImode before printing.
2261 2012-08-31 Jakub Jelinek <jakub@redhat.com>
2264 * c-convert.c (convert): Don't call fold_convert_loc if
2265 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
2266 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
2267 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
2269 2012-08-24 Jakub Jelinek <jakub@redhat.com>
2272 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
2273 if init is a CONSTRUCTOR.
2275 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
2277 PR rtl-optimization/54369
2278 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
2279 calling dbr_schedule.
2280 * config/sparc/sparc.c (sparc_reorg): Likewise.
2282 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
2284 Backport from mainline
2285 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
2287 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
2288 case for Atom processor.
2290 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
2292 Backport from mainline
2293 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
2296 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
2297 true for TARGET_64BIT or !flag_pic.
2298 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
2299 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
2300 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
2301 Add insn constraint. Conditionally emit xchg asm insns.
2302 (atomic_compare_and_swap<mode>): Update calls. Check only
2303 cmpxchg8b_pic_memory_operand in memory address fixup.
2305 (CASHMODE): Rename from DCASHMODE.
2306 (doublemodesuffix): Update modes.
2307 (regprefix): New mode attribute.
2309 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
2310 <UNSPECV_CMPXCHG>: New constant.
2311 (atomic_compare_and_swap<mode>_1): Rename from
2312 atomic_compare_and_swap_single<mode>. Update calls and
2313 unspec_volatile constants.
2314 (atomic_compare_and_swap<mode>_doubleword): Rename from
2315 atomic_compare_and_swap_double<mode>. Update calls and
2316 unspec_volatile constants.
2318 2012-08-28 Walter Lee <walt@tilera.com>
2320 Backport from mainline
2321 2012-08-28 Walter Lee <walt@tilera.com>
2323 * confg/tilegx/tilegx.md: Fix code style.
2324 (*zero_extendsidi_truncdisi): Fix typo.
2325 * config/tilegx/tilegx.c: Fix code style.
2326 (tilegx_function_profiler): Fix typo.
2328 2012-08-27 Walter Lee <walt@tilera.com>
2330 Backport from mainline
2331 2012-08-27 Walter Lee <walt@tilera.com>
2333 * doc/md.texi (TILE-Gx): Fix typo.
2335 2012-08-27 Walter Lee <walt@tilera.com>
2337 Backport from mainline
2338 2012-08-27 Walter Lee <walt@tilera.com>
2340 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
2341 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
2343 2012-08-27 Walter Lee <walt@tilera.com>
2345 Backport from mainline
2346 2012-08-27 Walter Lee <walt@tilera.com>
2348 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
2349 (insn_bfins): Delete.
2351 2012-08-27 Walter Lee <walt@tilera.com>
2353 Backport from mainline
2354 2012-08-27 Walter Lee <walt@tilera.com>
2356 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
2357 atomic_exchange_bare<mode>,
2358 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
2359 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
2360 * config/tilegx/tilegx.md (type): Add X1_remove.
2361 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
2362 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
2363 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
2366 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
2368 PR rtl-optimization/54088
2369 * jump.c (delete_related_insns): Robustify latest change.
2371 2012-08-21 Richard Guenther <rguenther@suse.de>
2373 Backport from mainline
2374 2012-08-16 Richard Guenther <rguenther@suse.de>
2377 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
2379 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
2380 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
2381 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
2382 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
2383 (tree_ssa_lim_finalize): Free all mem_refs.
2384 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
2385 scc when bailing out.
2386 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
2387 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
2388 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
2389 FOR_EACH_LOOP_BREAK.
2391 2012-08-17 Richard Guenther <rguenther@suse.de>
2393 * tree-sra.c (modify_function): Free redirect_callers vector.
2394 * ipa-split.c (split_function): Free args_to_pass vector.
2395 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
2397 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
2398 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
2399 (vect_analyze_slp_instance): Free everything.
2400 (destroy_bb_vec_info): Free the SLP instances.
2402 2012-08-17 Richard Guenther <rguenther@suse.de>
2404 * params.def (integer-share-limit): Decrease from 256 to 251,
2407 2012-08-21 Richard Guenther <rguenther@suse.de>
2409 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
2410 the affine expansion cache.
2412 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
2414 Backported from trunk
2415 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
2418 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
2420 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2422 Backport from mainline.
2423 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2426 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
2427 mark as predicable. Adjust asm template.
2428 (vec_setv2di_internal): Likewise.
2429 (vec_extract<mode> VD, VQ): Likewise.
2430 (vec_extractv2di): Likewise.
2431 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
2432 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
2433 (neon_vdup_n<mode> VX, V32): Likewise.
2434 (neon_vdup_nv2di): Likewise.
2436 2012-08-17 Walter Lee <walt@tilera.com>
2438 Backport from mainline
2439 2012-08-17 Walter Lee <walt@tilera.com>
2441 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
2442 (FEEDBACK_ENTER): Define.
2443 (FEEDBACK_REENTER): Define.
2444 (FEEDBACK_ENTRY): Define.
2445 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
2446 (FEEDBACK_ENTER): Define.
2447 (FEEDBACK_REENTER): Define.
2448 (FEEDBACK_ENTRY): Define.
2450 2012-08-16 Walter Lee <walt@tilera.com>
2452 Backport from mainline
2453 2012-08-16 Walter Lee <walt@tilera.com>
2455 * config.gcc (tilegx-*-linux*): Add feedback.h.
2456 (tilepro-*-linux*): Likewise.
2457 * config/tilegx/feedback.h: New file.
2458 * config/tilepro/feedback.h: New file.
2460 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
2462 Backport from mainline r189840 and r187586:
2463 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
2465 * config/i386/i386.md (stack_protect_set): Disable the pattern
2466 for Android since Android libc (bionic) does not provide random
2467 value for stack protection guard at gs:0x14. Guard value
2468 will be provided from external symbol (default implementation).
2469 (stack_protect_set_<mode>): Likewise.
2470 (stack_protect_test): Likewise.
2471 (stack_protect_test_<mode>): Likewise.
2472 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
2473 not have Bionic by default
2474 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
2475 Macro OPTION_BIONIC is defined in this file and provides Bionic
2476 accessibility status
2478 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
2480 * configure.ac: Stack protector enabling for Android targets.
2481 * configure: Regenerate.
2483 2012-08-13 Jakub Jelinek <jakub@redhat.com>
2485 Backported from trunk
2486 2012-07-19 Jakub Jelinek <jakub@redhat.com>
2488 PR rtl-optimization/53942
2489 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
2490 directly from likely spilled non-fixed hard registers, move them
2493 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
2495 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
2496 (xop_phaddubq): Ditto.
2498 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2500 Backport from mainline
2501 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
2502 Richard Earnshaw <rearnsha@arm.com>
2504 * target.def (vector_alignment): New target hook.
2505 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
2506 * doc/tm.texi: Regenerate.
2507 * targhooks.c (default_vector_alignment): New function.
2508 * targhooks.h (default_vector_alignment): Add prototype.
2509 * stor-layout.c (layout_type): Use targetm.vector_alignment.
2510 * config/arm/arm.c (arm_vector_alignment): New function.
2511 (TARGET_VECTOR_ALIGNMENT): Define.
2513 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
2514 vector type alignment instead of size.
2515 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
2516 element type size directly instead of computing it from alignment.
2517 Fix variable naming and comment.
2519 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
2521 Backport from mainline
2522 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
2524 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
2525 (alpha_pad_function_end): ... this. Also insert NOP between
2526 sibling call and GP load.
2527 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
2529 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
2531 Backport from mainline
2532 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
2533 H.J. Lu <hongjiu.lu@intel.com>
2535 PR rtl-optimization/54157
2536 * combine.c (gen_lowpart_for_combine): Don't return identity
2537 for CONST or symbolic reference.
2539 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
2541 Backport from mainline
2542 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
2544 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
2545 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
2546 split_cost argument signed.
2547 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
2548 (ix86_avoid_lea_for_addr): Ditto.
2550 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
2552 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
2553 the address has less than two components.
2555 2012-08-02 Steve Ellcey <sellcey@mips.com>
2557 Backport from mainline
2558 2012-07-19 Steve Ellcey <sellcey@mips.com>
2560 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
2563 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
2565 Backport from mainline
2566 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
2569 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
2570 negative constant address for TARGET_X32 ...
2571 (ix86_decompose_address): ... here. Reject constant addresses
2572 that don't satisfy x86_64_immediate_operand predicate.
2574 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
2577 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
2578 * config/i386/i386.c (ix86_print_operand_address): Ditto.
2579 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
2580 addresses. Prevent zero extensions of CONST_INT operands.
2582 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
2585 * config/i386/i386.md (*lea): New insn pattern.
2587 (*lea<mode>_2): Ditto.
2588 (*lea_{3,4,5,6}_zext): Ditto.
2589 * config/i386/predicates.md (lea_address_operand): Do not reject
2590 zero-extended address operands.
2591 * config/i386/constraints.md (j): Remove address constraint.
2592 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
2594 (ix86_print_operand_address): Handle SImode subreg of an address.
2595 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
2597 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2599 Backport from mainline
2600 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
2603 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2604 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2606 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2607 (*movdi_internal_rex64): Use %E operand modifier for lea.
2608 (*movsi_internal): Ditto.
2610 (*lea<mode>_2): Ditto.
2611 (*lea_{3,4,5,6}_zext): Ditto.
2612 (*tls_global_dynamic_32_gnu): Ditto.
2613 (*tls_global_dynamic_64): Ditto.
2614 (*tls_dynamic_gnu2_lea_32): Ditto.
2615 (*tls_dynamic_gnu2_lea_64): Ditto.
2616 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2618 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2620 Backport from mainline
2621 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
2623 * config/i386/i386.c (ix86_address_subreg_operand): Reject
2625 (ix86_print_operand_address): Assert that parts.base and parts.index
2626 are non-NULL after call to simplify_subreg.
2628 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
2631 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
2633 * config/sh/sh.c (sh_option_override): Do not change
2634 flag_finite_math_only. Set TARGET_IEEE to complement of
2635 flag_finite_math_only.
2636 * doc/invoke.texi (SH options): Add mno-ieee. Correct
2637 description of mieee and mno-ieee behavior.
2639 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
2642 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
2643 (_lzcnt_u64): Ditto.
2645 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
2647 Backport from mainline
2648 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
2650 PR rtl-optimization/52250
2651 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
2652 to put note list into. Unconditionally call move_bb_info.
2653 (move_bb_info): Do not assert the blocks being in the same region,
2654 just drop the note list if they are not.
2656 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2658 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
2660 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2662 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
2663 defining statement is a SSA name that occurs in abnormal PHIs.
2665 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
2667 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
2670 2012-07-19 Richard Guenther <rguenther@suse.de>
2671 Eric Botcazou <ebotcazou@adacore.com>
2673 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
2674 about transition from invariant to known bits.
2675 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
2677 2012-07-19 Jakub Jelinek <jakub@redhat.com>
2680 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
2681 (cleanup_tree_cfg_bb): Don't call it.
2682 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
2685 2012-07-19 Christian Bruel <christian.bruel@st.com>
2688 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
2690 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
2692 * config.gcc (v850-*-rtems*): New target.
2693 * config/v850/rtems.h: New.
2694 * config/v850/t-rtems: New.
2696 2012-07-18 Nick Clifton <nickc@redhat.com>
2698 * doc/invoke.texi (ARM Options): Document -munaligned-access.
2700 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
2704 Backport from mainline
2705 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2708 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
2709 instead expand it as zero extension.
2711 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
2713 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
2714 QImode and HImode splitters. Use ix86_comparison_operator.
2715 Explicitly match FLAGS_REG.
2716 (DFmode cmove splitter): Explicitly match FLAGS_REG.
2718 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
2719 Steven Bosscher <steven@gcc.gnu.org>
2720 Bernd Schmidt <bernds@codesourcery.com>
2722 PR rtl-optimization/53908
2723 * df-problems.c (can_move_insns_across): When doing
2724 memory-reference book-keeping, handle call insns.
2726 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
2728 Backport from mainline
2729 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
2732 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
2733 sibcall_insn_operand. Move it to a temporary register if not.
2735 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
2738 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
2739 emit PIC sequence for fnaddr symbol reference in advance.
2741 2012-07-09 Jason Merrill <jason@redhat.com>
2744 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
2745 (type_hash_eq): Likewise.
2748 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
2750 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
2752 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
2753 due to negative shift amount.
2755 2012-07-06 Kai Tietz <ktietz@redhat.com>
2757 Backport from mainline.
2759 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
2760 as "/mingw/include".
2762 2012-07-06 Nick Clifton <nickc@redhat.com>
2764 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
2765 default_encode_section_info.
2767 2012-07-06 Richard Guenther <rguenther@suse.de>
2769 Backport from mainline
2770 2012-03-30 Richard Guenther <rguenther@suse.de>
2773 * double-int.c (rshift_double): Remove not needed cast.
2775 2012-03-28 Richard Guenther <rguenther@suse.de>
2778 * double-int.h (rshift_double): Remove.
2779 * double-int.c (lshift_double): Use absu_hwi to make count
2781 (rshift_double): Make static, take unsigned count argument,
2782 remove handling of negative count argument.
2783 (double_int_rshift): Dispatch to lshift_double.
2785 2012-07-06 Richard Guenther <rguenther@suse.de>
2787 Backport from mainline
2788 2012-06-18 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/53693
2791 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
2792 Reject operands with more than one use.
2794 2012-07-06 Richard Guenther <rguenther@suse.de>
2796 Backport from mainline
2797 2012-04-11 Richard Guenther <rguenther@suse.de>
2800 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
2801 consider loop nesting.
2802 (evolution_function_is_univariate_p): Properly check the remainder
2805 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
2807 Backport from mainline
2808 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
2810 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2811 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
2812 (adjacent_mem_locations): Move some code to and call...
2813 (get_memref_parts): ...new function.
2814 (mem_locations_overlap): New function.
2815 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
2816 (is_mem_ref): Rename to...
2817 (find_mem_ref): ...this. Return MEM rtx.
2818 (get_store_dest): Remove function.
2819 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
2820 new parameter and adjust calls.
2821 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
2822 mem refs overlap for true_store_to_load_dep_costly.
2823 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
2824 passed to adjacent_mem_locations.
2825 (is_costly_group): Walk resolved dependency list.
2826 (force_new_group): Emit group ending nop for Power6/Power7.
2827 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
2828 (group_ending_nop): New define_insn.
2830 2012-07-04 Richard Guenther <rguenther@suse.de>
2833 * gimple-fold.c (get_base_constructor): Do not return an
2834 error_mark_node DECL_INITIAL.
2836 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
2838 Backport from mainline
2839 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
2841 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
2842 code model string in the error message.
2844 2012-07-04 Tristan Gingold <gingold@adacore.com>
2846 Backport from mainline.
2847 2012-06-25 Tristan Gingold <gingold@adacore.com>
2849 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
2850 (seh_cfa_adjust_cfa): ... that function.
2851 (seh_emit_stackalloc): Do not emit out of range values.
2852 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
2853 UNSPEC_DEF_CFA constants.
2854 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
2855 * config/i386/i386.c (ix86_frame_pointer_required): Required
2856 for very large frames on SEH target.
2857 (ix86_compute_frame_layout): Save area is before frame pointer
2858 on SEH target. Handle very large frames.
2859 (ix86_expand_prologue): Likewise.
2861 2012-07-04 Richard Guenther <rguenther@suse.de>
2863 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
2864 as in free_lang_data_in_type.
2866 2012-07-02 Martin Jambor <mjambor@suse.cz>
2868 Backport from mainline.
2869 2012-07-02 Martin Jambor <mjambor@suse.cz>
2872 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
2873 dynamic type change check.
2875 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
2877 * tree-eh.c (lower_try_finally_switch): Really put the location of the
2878 last statement of the finally block onto the switch.
2880 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2882 * configure: Regenerate.
2884 Backport from mainline.
2885 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2887 * config.gcc (target_type_format_char): New. Document it. Set it for
2889 * configure.ac (gnu_unique_option): Use target_type_format_char
2890 in test. Comment rationale.
2892 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2894 Backport from mainline.
2895 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2897 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
2899 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
2901 Backport from 2012-06-28 mainline r189049
2904 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
2905 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
2906 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
2907 avr_hard_regno_call_part_clobbered.
2909 2012-06-28 Richard Guenther <rguenther@suse.de>
2912 * expr.c (expand_expr_real_1): Verify if the type is complete
2913 before inspecting its size.
2915 2012-06-27 Nick Clifton <nickc@redhat.com>
2917 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
2920 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
2923 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
2925 2012-06-26 Nick Clifton <nickc@redhat.com>
2927 * config/rx/rx.md (simple_return): Use the simple_return rtx.
2929 2012-06-25 Jakub Jelinek <jakub@redhat.com>
2932 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
2933 of x x x in the vmovlps load alternative.
2935 2012-06-22 Richard Guenther <rguenther@suse.de>
2937 * gcov-iov.c: Include bconfig.h and system.h.
2939 2012-06-22 Richard Guenther <rguenther@suse.de>
2941 PR gcov-profile/53744
2942 * gcov-iov.c (main): Treat "" and "prerelease" the same.
2944 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
2946 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
2947 DECL_IGNORED_P non-reg vars even if they are used.
2949 2012-06-19 Jason Merrill <jason@redhat.com>
2952 * dwarf2out.c (modified_type_die): Use scope_die_for.
2953 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2954 (uses_local_type_r, uses_local_type): New.
2955 (scope_die_for): Keep a type that uses a local type in local scope.
2956 Use get_context_die for namespace and type scope.
2958 2012-06-19 Richard Guenther <rguenther@suse.de>
2961 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2962 replace it with the first non-BLOCK context.
2964 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
2966 PR rtl-optimization/53700
2968 Backport from mainline
2969 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
2971 * ira-color.c (setup_left_conflict_sizes_p): Process all
2972 conflicting objects.
2974 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2976 Backport from mainline
2977 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
2980 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
2981 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
2982 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
2983 instead of xop_mulv2div2di3_low.
2984 (xop_p<macs>dql): Fix vec_select selector.
2985 (xop_p<macs>dqh): Ditto.
2986 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
2987 (xop_mulv2div2di3_high): Ditto.
2989 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2991 Backport from mainline:
2992 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2994 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
2996 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2998 Backport from mainline:
2999 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3001 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
3002 * config/pa/pa.c (pa_attr_length_millicode_call): Use
3003 MAX_PCREL17F_OFFSET instead of fixed offset.
3004 (pa_attr_length_call): Likewise.
3005 (pa_attr_length_indirect_call): Likewise.
3007 2012-06-15 Walter Lee <walt@tilera.com>
3009 Backport from mainline:
3010 2012-06-15 Walter Lee <walt@tilera.com>
3012 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
3014 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
3016 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
3018 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
3020 Backport from mainline:
3022 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
3023 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
3024 * gimple.h (block_in_transaction): Check for flag_tm.
3026 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
3028 PR tree-optimization/52558
3030 Backport from mainline:
3031 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
3032 * gimple.h (gimple_set_in_transaction): Remove.
3033 (gimple_in_transaction): Look in BB instead.
3034 (gimple_statement_base): Remove in_transaction field.
3035 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
3036 * trans-mem.c (compute_transaction_bits): Place transaction bit
3037 information into basic blocks.
3039 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
3041 PR tree-optimization/52558
3042 * cfg.c (alloc_aux_for_edge): Fix comment.
3043 (alloc_aux_for_edge): Remove static.
3044 * basic-block.h (alloc_aux_for_edge): Protoize.
3045 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
3046 (execute_sm_if_changed_flag): New.
3047 (execute_sm_if_changed_flag_set): New.
3048 (execute_sm): Do not generate data races unless requested.
3049 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
3050 (tree_ssa_lim_finalize): Call free_aux_for_edges.
3051 * gimple.h (block_in_transaction): New.
3052 (gimple_in_transaction): Use block_in_transaction.
3054 2012-06-14 Jakub Jelinek <jakub@redhat.com>
3056 Backported from mainline
3057 2012-06-12 Jakub Jelinek <jakub@redhat.com>
3059 PR rtl-optimization/53589
3060 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
3061 discovery even when e->dest != target. If any LABEL_REF points
3062 to e->dest label, redirect it to target's label.
3064 2012-06-07 Jakub Jelinek <jakub@redhat.com>
3067 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
3068 returns false, replace stmt with GIMPLE_NOP.
3069 (check_omp_nesting_restrictions): Instead of issuing warnings,
3070 issue errors and return false if any errors were reported.
3072 2012-06-14 Richard Guenther <rguenther@suse.de>
3074 * BASE-VER: Set to 4.7.2.
3075 * DEV-PHASE: Set to prerelease.
3077 2012-06-12 Christian Bruel <christian.bruel@st.com>
3080 * config/sh/sh.c (sh_option_override): Don't force
3081 flag_omit_frame_pointer and maccumulate_outgoing_args.
3082 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
3084 2012-06-14 Release Manager
3086 * GCC 4.7.1 released.
3088 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
3090 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
3092 2012-06-13 Richard Henderson <rth@redhat.com>
3094 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
3095 iterator instead of INT.
3097 2012-06-08 Richard Henderson <rth@redhat.com>
3100 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
3101 note to a clobber insn when no other insn is available.
3103 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
3106 * doc/invoke.texi (Wenum-compare): Update documentation.
3108 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
3111 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
3113 (altivec_stvlxl): Ditto.
3114 (altivec_stvrx): Ditto.
3115 (altivec_stvrxl): Ditto.
3117 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
3120 * trans-mem.c (expand_block_edges): Do not skip the first
3121 statement when resetting the BB.
3123 2012-06-04 Richard Guenther <rguenther@suse.de>
3126 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
3127 create new assembler names.
3129 2012-06-04 Richard Guenther <rguenther@suse.de>
3131 Backport from mainline
3132 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3135 * stor-layout.c (get_best_mode): Don't return mode with bitsize
3136 larger than maxbits. Don't compute maxbits modulo align.
3137 Also check that unit bytes long store at bitpos / unit * unit
3138 doesn't affect bits beyond bitregion_end.
3139 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3140 would not fit into bitregion_start ... bitregion_end + 1 bit
3142 (store_split_bit_field): Decrease unit close to end of bitregion_end
3143 if access is restricted in order to avoid mutual recursion.
3145 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
3147 Backport from 2012-06-04 mainline r188172
3150 * config/avr/avr-stdint.h: New file.
3151 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
3154 2012-06-04 Jakub Jelinek <jakub@redhat.com>
3156 PR tree-optimization/53550
3157 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
3158 is POINTER_TYPE_P, use sizetype as step type instead of type.
3160 2012-06-04 Richard Guenther <rguenther@suse.de>
3161 Eric Botcazou <ebotcazou@adacore.com>
3163 Backport from mainline
3164 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
3166 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
3167 Change type of BITOFFSET to signed. Make sure the lower bound of
3168 the computed range is non-negative by adjusting OFFSET and BITPOS.
3169 (expand_assignment): Adjust call to get_bit_range.
3171 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
3173 * expr.c (get_bit_range): Return the null range if the enclosing record
3174 is part of a larger bit field.
3176 2012-03-20 Richard Guenther <rguenther@suse.de>
3178 * stor-layout.c (finish_bitfield_representative): Fallback
3179 to conservative maximum size if the padding up to the next
3180 field cannot be computed as a constant.
3181 (finish_bitfield_layout): If we cannot compute the distance
3182 between the start of the bitfield representative and the
3183 bitfield member start a new representative.
3184 * expr.c (get_bit_range): The distance between the start of
3185 the bitfield representative and the bitfield member is zero
3186 if the field offsets are not constants.
3188 2012-03-16 Richard Guenther <rguenther@suse.de>
3190 * stor-layout.c (finish_bitfield_representative): Fall back
3191 to the conservative maximum size if we cannot compute the
3192 size of the tail padding.
3194 2012-03-14 Richard Guenther <rguenther@suse.de>
3196 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
3197 * stor-layout.c (start_bitfield_representative): New function.
3198 (finish_bitfield_representative): Likewise.
3199 (finish_bitfield_layout): Likewise.
3200 (finish_record_layout): Call finish_bitfield_layout.
3201 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
3202 for QUAL_UNION_TYPE fields.
3203 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3204 Stream DECL_BIT_FIELD_REPRESENTATIVE.
3205 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3210 * expr.c (get_bit_range): Unconditionally extract bitrange
3211 from DECL_BIT_FIELD_REPRESENTATIVE.
3212 (expand_assignment): Adjust call to get_bit_range.
3214 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
3217 * fold-const.c (fold_binary_loc): Refine previous change.
3219 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3221 Backport from mainline
3222 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
3225 * config/sh/sh.c (find_barrier): Add equality check of last_got to
3226 avoid going above orig insn. Update comments.
3228 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3230 Backport from mainline
3231 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
3234 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
3235 prologue for unwinder and profiler.
3237 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3239 Backport from mainline
3240 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3242 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
3244 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3246 Backport from mainline
3247 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3249 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
3250 DBX_REGISTER_NUMBER.
3252 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
3254 Backport from mainline
3255 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3257 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
3258 operand is CONST_INT. Take COSTS_N_INSNS into account.
3259 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
3262 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
3264 * config/avr/avr.opt (-msp8): Document it.
3265 * doc/invoke.texi (AVR Options): Copy from trunk docu.
3267 2012-05-31 Richard Guenther <rguenther@suse.de>
3270 * expr.c (expand_assignment): Do not use movmisalign on
3273 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3276 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
3277 (pa_section_type_flags): New.
3278 (pa_legitimate_constant_p): Revert previous change.
3280 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
3282 Backport from mainline
3283 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
3286 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
3287 accessed indirectly.
3288 (ipa_tm_create_version): Same.
3290 2012-05-30 Jason Merrill <jason@redhat.com>
3293 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
3294 about array compound literals.
3296 2012-05-30 Richard Guenther <rguenther@suse.de>
3299 * fold-const.c (fold_binary_loc): Make sure to call
3300 fold_plusminus_mult_expr with the original sign of operands.
3302 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
3304 * explow.c (probe_stack_range): Restore simple control flow and stop
3305 again when the probe cannot be generated if HAVE_check_stack.
3307 2012-05-30 Jakub Jelinek <jakub@redhat.com>
3309 PR rtl-optimization/53519
3310 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
3311 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
3313 2012-05-29 Richard Guenther <rguenther@suse.de>
3315 PR tree-optimization/53516
3316 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
3318 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3320 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
3322 Backport from mainline
3323 2012-05-28 Richard Guenther <rguenther@suse.de>
3325 PR tree-optimization/53438
3326 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
3328 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
3330 Backport from mainline
3331 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
3333 PR rtl-optimization/52528
3334 * combine.c (can_combine_p): Add setting of subst_low_luid
3335 before call to expand_field_assignment().
3337 2012-05-26 Martin Jambor <mjambor@suse.cz>
3339 Backport from mainline
3340 2012-05-23 Martin Jambor <mjambor@suse.cz>
3342 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
3344 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
3347 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
3348 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
3350 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
3353 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
3354 (ix86_expand_vec_perm): Use int mode instead of float.
3356 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
3359 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
3360 gnu_ld variables to yes.
3361 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
3362 (HAVE_GNU_AS): Likewise.
3363 * config.in: Regenerate.
3364 * configure: Likewise.
3366 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3368 Backport from mainline
3369 2012-03-12 Richard Guenther <rguenther@suse.de>
3370 * config/arm/arm.c (neon_dereference_pointer): Do not call
3371 covert during RTL expansion.
3373 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3375 Backport from mainline
3376 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3379 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
3380 relied on signed overflow behavior.
3382 2012-05-24 Richard Guenther <rguenther@suse.de>
3385 * tree-profile.c (tree_profiling): Cleanup the CFG if
3386 execute_fixup_cfg requests it.
3388 2012-05-24 Jakub Jelinek <jakub@redhat.com>
3390 PR tree-optimization/53465
3391 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
3392 vr0 into *vr, then vrp_meet that.
3393 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
3394 have any equivalences.
3395 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
3398 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
3400 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
3402 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
3403 (iterative_hash_gimple_type): Adjust comment.
3404 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
3405 domain for an array type instead of the domain type itself.
3407 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
3409 Backport from 2012-05-23 mainline r187803
3412 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
3413 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
3416 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
3418 Backport from 2012-05-03 mainline r187075
3420 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
3421 has_fma4 for AMD processors with both fma3 and fma4 support.
3423 2012-05-22 Richard Guenther <rguenther@suse.de>
3425 PR tree-optimization/53408
3426 * tree-vect-loop.c (vectorizable_induction): Properly check
3427 the restriction that we cannot handle induction results from
3428 the inner loop outside of the outer loop.
3430 2012-05-21 Jakub Jelinek <jakub@redhat.com>
3432 PR tree-optimization/53436
3433 * omp-low.c (omp_build_component_ref): New function.
3434 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
3436 PR tree-optimization/53366
3437 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
3438 tests if complex_numbers == 2, but there are non-complex number loads
3441 PR tree-optimization/53409
3442 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
3443 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
3445 PR tree-optimization/53410
3446 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
3447 instead of build_int_cst (type, 0) where vector types might be
3450 2012-05-21 Joseph Myers <joseph@codesourcery.com>
3453 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
3454 from folded operands before wrapping another around the
3455 conditional expression.
3457 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
3458 Patrick Marlier <patrick.marlier@gmail.com>
3460 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
3463 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
3465 Backport from mainline
3466 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
3469 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
3470 (UNSPECV_RDRAND): This.
3471 (rdrand<mode>_1): Updated.
3473 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
3475 Backport from mainline
3476 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
3478 * config/i386/driver-i386.c (host_detect_local_cpu): Support
3479 RDRND, F16C and FSGSBASE.
3481 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
3483 Backport from mainline
3484 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
3486 * tree-ssa-pre.c (can_value_number_call): Delete.
3487 (compute_avail): Skip all statements with side effects.
3488 <GIMPLE_CALL>: Skip calls to internal functions.
3490 2012-05-18 David S. Miller <davem@davemloft.net>
3492 Backport r185385 from mainline
3493 2012-03-14 Richard Guenther <rguenther@suse.de>
3496 * tree-vect-generic.c (type_for_widest_vector_mode): Take
3497 element type instead of mode, use build_vector_type_for_mode
3498 instead of the langhook, build a vector of proper signedness.
3499 (expand_vector_operations_1): Adjust.
3501 2012-05-18 Olivier Hainque <hainque@adacore.com>
3503 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
3504 $(libsubdir) as libexecsubdir.
3506 2012-05-16 Andrew Pinski <apinski@cavium.com>
3508 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
3511 2012-05-16 David S. Miller <davem@davemloft.net>
3513 * jump.c (delete_related_insns): If we remove a CALL, make sure
3514 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
3516 2012-05-16 Richard Henderson <rth@redhat.com>
3519 * combine-stack-adj.c (prev_active_insn_bb): New.
3520 (next_active_insn_bb): New.
3521 (force_move_args_size_note): New.
3522 (combine_stack_adjustments_for_block): Use it.
3524 2012-05-16 Olivier Hainque <hainque@adacore.com>
3526 * Makefile.in (install-no-fixedincludes): New target, former toplevel
3527 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
3528 Add comments and improve stamp preservation across the whole sequence.
3529 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
3531 2012-05-16 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/53364
3534 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
3535 detect a view-conversion of the decl.
3537 2012-05-15 Jakub Jelinek <jakub@redhat.com>
3540 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
3541 that operands[2] is either immediate, or q_regs_operand.
3543 2012-05-15 Bin Cheng <bin.cheng@arm.com>
3545 Backport r187139 from mainline.
3546 2012-05-04 Bin Cheng <bin.cheng@arm.com>
3548 PR rtl-optimization/52804
3549 * reload1.c (reload_reg_reaches_end_p): Check whether successor
3550 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
3551 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
3552 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
3553 RELOAD_FOR_OUTADDR_ADDRESS.
3555 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
3558 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
3559 generate target register for "load" class builtins.
3562 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
3565 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
3566 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
3567 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
3568 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
3569 (<sse>_movu<ssemodesuffix>): New expander.
3570 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
3571 (avx_movdqu<avxmodesuffix>): New expander.
3572 (*sse2_movdqu): Rename from sse2_movdqu.
3573 (sse2_movdqu): New expander.
3575 2012-05-14 Jakub Jelinek <jakub@redhat.com>
3577 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
3578 lineno 1 the same as lineno 0 before first start file directive.
3579 (optimize_macinfo_range): Likewise.
3581 * dwarf2out.c (have_macinfo): Define.
3582 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
3583 attribute, don't force empty compilation unit and don't emit any
3584 .debug_macinfo/.debug_macro section if macinfo_table is empty.
3586 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
3588 Backport from mainline
3589 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
3591 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3592 ORDERED and UNORDERED conditions.
3594 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
3596 * function.c (requires_stack_frame_p): If the function can throw
3597 non-call exceptions, return true if the insn can throw internally.
3599 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
3601 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
3602 DECL_ORIGINAL_TYPE if it is present.
3604 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
3606 Backport from 2012-05-12 mainline r187342.
3609 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
3610 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
3611 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
3612 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
3613 (expand_prologue): Move initialization of cfun->machine->is_naked,
3614 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
3615 (avr_set_current_function): ...this new static function.
3616 (TARGET_SET_CURRENT_FUNCTION): New define.
3617 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
3618 checking attributes of current_function_decl.
3619 (avr_regs_to_save): Ditto.
3620 (signal_function_p): Rename to avr_signal_function_p.
3621 (interrupt_function_p): Rename to avr_interrupt_function_p.
3623 * doc/extend.texi (Function Attributes): Better explanation of
3624 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
3627 2012-05-09 Matthias Klose <doko@ubuntu.com>
3629 * gcc-ar.c (main): Don't check for execute bits for the plugin.
3631 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
3634 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
3635 when a constant source operand matches an "I" constraint, the "no
3636 CC0 change" applies to a register-destination only, not a
3637 strict_low_part-destination.
3639 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3641 Backport from mainline:
3642 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3644 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
3646 2012-05-07 Jakub Jelinek <jakub@redhat.com>
3648 PR tree-optimization/53239
3649 * tree-vrp.c (get_value_range): Set VR of
3650 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
3653 2012-05-07 Richard Guenther <rguenther@suse.de>
3655 PR tree-optimization/53195
3656 * tree-inline.c (setup_one_parameter): Properly add referenced
3657 vars from the parameters new known value.
3659 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3661 Backport from mainline:
3662 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3665 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3668 2012-05-04 Ian Lance Taylor <iant@google.com>
3670 * tree-vect-patterns.c (vect_single_imm_use): Correct return
3671 values from false to NULL.
3673 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
3675 Backport from mainline
3676 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
3679 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
3680 (TARGET_CMOV): Rename from TARGET_CMOVE.
3681 (TARGET_CMOVE): New define.
3682 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
3683 Do not set TARGET_CMOVE here.
3685 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3687 Backport from mainline:
3689 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3691 PR tree-optimization/52633
3692 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
3693 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
3694 (vect_recog_over_widening_pattern): Remove handling of code that was
3695 already detected as over-widening pattern. Remove special handling
3696 of "unsigned" cases. Instead, support general case of conversion
3697 of the shift result to another type.
3699 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
3701 * tree-vect-patterns.c (vect_single_imm_use): New function.
3702 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
3703 (vect_recog_over_widening_pattern): Likewise.
3704 (vect_recog_widen_shift_pattern): Likewise.
3706 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
3708 PR tree-optimization/52870
3709 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
3710 presumed pattern statement is within the same loop or basic block.
3712 2012-05-04 Richard Guenther <rguenther@suse.de>
3714 * common.opt (flto-report): Do not mark as Optimization.
3716 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
3719 * recog.c (constrain_operands): If extra constraints are present, also
3720 accept pseudo-registers with equivalent memory locations during reload.
3722 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3724 Backport from the mainline
3725 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3728 * config/rs6000/rs6000.md (bswapdi splitters): If
3729 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
3730 default) is used, generate an alternate sequence that does not
3731 depend on using indexed addressing.
3733 2012-05-03 David S. Miller <davem@davemloft.net>
3736 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
3737 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
3738 (sparc_emit_float_lib_cmp): Likewise.
3740 2012-05-04 Martin Jambor <mjambor@suse.cz>
3742 Backport from mainline
3743 2012-05-02 Martin Jambor <mjambor@suse.cz>
3746 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
3747 of a variable when the contect is a function.
3749 2012-05-03 Jakub Jelinek <jakub@redhat.com>
3752 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
3753 append program name to it and pass that as first argument
3754 to make_relative_prefix. Always pass standard_libexec_prefix
3755 as last argument to make_relative_prefix. If
3756 make_relative_prefix returns NULL, fall back to
3757 standard_libexec_prefix.
3760 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
3764 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
3765 mode, return that mode.
3767 2012-05-03 Richard Guenther <rguenther@suse.de>
3769 PR tree-optimization/53144
3770 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
3772 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
3773 with SSA name values.
3774 (vn_reference_lookup_3): Adjust callers.
3776 2012-05-02 Jakub Jelinek <jakub@redhat.com>
3778 PR tree-optimization/53163
3779 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
3780 return value from compute_all_dependences.
3782 PR rtl-optimization/53160
3783 * ree.c (combine_reaching_defs): Handle the case where cand->insn
3784 has been modified by ree pass already.
3786 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
3788 Backport from mainline
3789 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3792 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
3793 calls to cgraph_node_name in xstrdup.
3794 (ipa_make_edge_direct_to_target): Ditto.
3795 * tree-sra.c (convert_callers_for_node): Ditto.
3796 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
3797 * ipa-cp.c (perhaps_add_new_callers): Ditto.
3798 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
3799 (cgraph_materialize_all_clones): Ditto.
3800 * ipa-inline.c (report_inline_failed_reason): Ditto.
3801 (want_early_inline_function_p): Ditto.
3802 (edge_badness): Ditto.
3803 (update_edge_key): Ditto.
3804 (flatten_function): Ditto.
3805 (ipa_inline): Ditto.
3806 (inline_always_inline_functions): Ditto.
3807 (early_inline_small_functions): Ditto.
3809 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
3811 Backport from mainline
3812 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
3814 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
3815 Introduce emul_name to select the right linker emulation for
3816 powerpc64-*-freebsd*.
3817 * configure: Regenerate.
3818 * config.gcc: Add bits to support powerpc64-*-freebsd*.
3819 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
3820 * config/rs6000/freebsd64.h: New file.
3821 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
3823 (rs6000_savres_strategy): Likewise.
3824 (rs6000_savres_routine_name): Likewise.
3825 (rs6000_elf_file_end): Likewise.
3826 * config/rs6000/t-freebsd64: New file.
3827 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
3828 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
3830 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3832 Backport from mainline
3833 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
3836 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3838 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
3840 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3841 predicate to discriminate types.
3843 2012-04-27 Richard Guenther <rguenther@suse.de>
3846 * convert.c (convert_to_integer): Avoid infinite recursion for
3847 target-defined built-in types.
3849 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
3852 * config/cris/cris.md ("*andhi_lowpart_v32")
3853 ("*andqi_lowpart_v32"): Change first input-only operand from
3854 a (match_operand ...) to (match_dup 0). Drop alternatives with
3855 const_int-matching constraints for redundancy.
3856 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
3857 three-operand alternative.
3859 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
3861 Backport from mainline
3862 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
3864 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3865 (*addsi_2_zext): Ditto.
3866 (*add<mode>_3): Ditto.
3867 (*addsi_3_zext): Ditto.
3868 (*add<mode>_5): Ditto.
3870 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3873 * c-typeck.c (set_nonincremental_init,
3874 set_nonincremental_init_from_string): Pass true instead of false
3875 as IMPLICIT to add_pending_init.
3877 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3879 Backport from 2012-04-24 mainline r186768.
3882 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3884 2012-04-24 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/53085
3887 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3890 2012-04-24 Jakub Jelinek <jakub@redhat.com>
3893 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
3895 (output_addressed_constants): Likewise.
3898 * varasm.c (get_section): Don't ICE for section conflicts with
3899 built-in section kinds.
3901 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
3903 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3905 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
3907 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3909 2012-04-23 Richard Guenther <rguenther@suse.de>
3912 * c-typeck.c (build_binary_op): Fix typo.
3914 2012-04-23 Jakub Jelinek <jakub@redhat.com>
3916 PR tree-optimizations/52891
3917 * tree-vect-patterns.c (adjust_bool_pattern): Use
3918 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3919 but with non-standard precision.
3921 2012-04-22 Ian Lance Taylor <iant@google.com>
3923 * godump.c (go_output_typedef): Dump size of structs.
3925 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
3927 Backport from mainline:
3929 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
3930 hints for 'A' operand types.
3932 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
3934 Backport from 2012-04-19 mainline r186588.
3937 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
3938 the case *(X+const).
3940 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
3942 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
3944 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
3947 * config/i386/sync.md (atomic_<code><mode>): Rename to
3948 atomic_<logic><mode>.
3950 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
3952 Backport from mainline
3953 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
3956 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
3957 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
3958 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
3959 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
3960 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
3961 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
3962 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
3963 gen_avx2_permvarv8sf.
3965 2012-04-16 Martin Jambor <mjambor@suse.cz>
3967 Backported from mainline
3969 2012-04-13 Martin Jambor <mjambor@suse.cz>
3972 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
3973 fold_ctor_reference returns a zero constant.
3975 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3977 Backported from mainline
3978 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3980 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
3981 and __ILP32__ for x32.
3983 2012-04-13 Tom de Vries <tom@codesourcery.com>
3985 Backport from mainline r186418.
3987 2012-04-13 Tom de Vries <tom@codesourcery.com>
3989 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
3990 parameters vuse and vuse_escaped.
3991 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
3992 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
3995 2012-04-13 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/52969
3998 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
3999 the condition for the COND_EXPR and handle predicate negation
4000 by swapping the COND_EXPR arms.
4002 2012-04-13 Richard Guenther <rguenther@suse.de>
4005 * convert.c (convert_to_pointer): Remove special-casing of
4008 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4010 Backport from mainline
4011 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4014 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4015 the list of options to enable the FCFID instruction.
4016 (TARGET_EXTRA_BUILTINS): Adjust comment.
4018 2012-04-12 Richard Guenther <rguenther@suse.de>
4020 PR tree-optimization/52943
4021 * tree-chrec.h (chrec_is_positive): Remove.
4022 * tree-scalar-evolution.c (chrec_is_positive): Move ...
4023 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
4024 Return false for a constant zero instead of negative.
4025 (analyze_siv_subscript_cst_affine): Handle zero difference
4026 in the initial condition explicitely.
4028 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4031 * varasm.c (process_pending_assemble_externals): Set
4032 pending_assemble_externals_processed true.
4033 (assemble_external): Call assemble_external_real if the pending
4034 assemble externals have been processed.
4036 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
4039 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
4040 the DECL generated for the special GOT helper.
4042 2012-04-06 Walter Lee <walt@tilera.com>
4044 Backport from mainline
4045 2012-03-07 Walter Lee <walt@tilera.com>
4047 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
4048 REG_CFA_* notes for the stack pointer.
4049 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
4050 EH_RETURN_STACKADJ_RTX.
4051 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
4052 generate REG_CFA_* notes for the stack pointer.
4053 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
4054 by EH_RETURN_STACKADJ_RTX.
4056 2012-04-06 Matt Turner <mattst88@gmail.com>
4058 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
4060 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
4062 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
4063 of the destination isn't also a FP_REGS register.
4065 2012-04-03 Richard Guenther <rguenther@suse.de>
4067 Backport from mainline
4068 2012-03-02 Richard Guenther <rguenther@suse.de>
4070 PR tree-optimization/52406
4071 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
4072 (struct indices): Add unconstrained_base member.
4073 (struct dr_alias): Remove unused vops member.
4074 (DR_UNCONSTRAINED_BASE): New define.
4075 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
4076 add indices to allow their disambiguation. Make DR_BASE_OBJECT
4077 be an artificial access that covers the whole indexed object,
4078 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
4079 plain decl base-objects to their MEM_REF variant.
4080 (dr_may_alias_p): When the base-object of either data reference
4081 has unknown size use only points-to information.
4082 (compute_affine_dependence): Make dumps easier to read and
4084 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
4085 DR_REF when looking for packed references.
4086 (vect_supportable_dr_alignment): Likewise.
4088 2012-04-03 Richard Guenther <rguenther@suse.de>
4090 Backport from mainline
4091 2012-03-15 Richard Guenther <rguenther@suse.de>
4094 * tree-data-ref.c (subscript_dependence_tester_1): Check
4095 all dimensions for non-conflicting access functions.
4097 2012-04-03 Richard Guenther <rguenther@suse.de>
4099 Backport from mainline
4100 2012-03-06 Richard Guenther <rguenther@suse.de>
4103 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
4105 2012-03-23 Richard Guenther <rguenther@suse.de>
4107 PR tree-optimization/52678
4108 * tree-vectorizer.h (struct _stmt_vec_info): Add
4109 loop_phi_evolution_part member.
4110 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
4111 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
4112 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
4113 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4114 Use the cached evolution part and the PHI nodes value from
4115 the loop preheader edge instead of re-analyzing the evolution.
4117 2012-03-26 Richard Guenther <rguenther@suse.de>
4119 PR tree-optimization/52701
4120 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
4121 compute and set the evolution part of PHI nodes.
4123 2012-03-30 Richard Guenther <rguenther@suse.de>
4125 PR tree-optimization/52754
4126 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
4127 propagate arbitrary addresses into really plain dereferences.
4129 2012-04-03 Jakub Jelinek <jakub@redhat.com>
4131 PR tree-optimization/52835
4132 * tree-data-ref.c (build_rdg): Return NULL if
4133 compute_data_dependences_for_loop failed.
4135 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
4137 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
4138 (stmt_can_make_abnormal_goto): Use it.
4139 (is_ctrl_altering_stmt): Likewise.
4141 2012-03-31 Martin Jambor <mjambor@suse.cz>
4143 Backported from mainline
4144 2012-03-30 Martin Jambor <mjambor@suse.cz>
4146 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
4147 is a builtin_stack_save in a dominating BB.
4149 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
4151 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
4152 crossing 128bit lane boundary.
4154 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
4156 Backported from mainline
4157 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
4160 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
4162 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
4163 * config/i386/i386.c: Include reload.h.
4164 (ix86_legitimize_reload_address): New function.
4166 2012-03-28 Martin Jambor <mjambor@suse.cz>
4168 Backported from mainline
4169 2012-03-27 Martin Jambor <mjambor@suse.cz>
4172 * tree-sra.c (sra_modify_assign): Do not call
4173 load_assign_lhs_subreplacements when working with an unscalarizable
4176 2012-03-28 Jakub Jelinek <jakub@redhat.com>
4179 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
4180 __builtin_va_start to __builtin_next_arg if the latter is
4181 builtin_decl_explicit_p rather than when it is not.
4184 * tree-vect-generic.c (vector_element): Perform multiplication
4185 for pos in bitsizetype type instead of idx type.
4187 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
4189 Backport from 2012-03-28 mainline r185910.
4192 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
4193 (avr_builtin_decl): New static function.
4194 (struct avr_builtin_description, avr_bdesc): Move up.
4195 Add GTY marker. Add field fndecl. Remove redundant field id.
4196 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
4197 (avr_expand_builtin): Code cleanup because .id is removed.
4199 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
4202 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
4205 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
4207 Backport from 2012-03-28 mainline r185907.
4210 * config.gcc (tm_file): Remove avr/multilib.h.
4212 * doc/invoke.texi (AVR Options): Adjust
4213 documentation of -mtiny-stack.
4215 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
4216 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
4217 * config/avr/t-avr: Remove generation of multilib.h.
4218 * config/avr/t-multilib: Regenerate.
4219 * config/avr/multilib.h: Remove.
4220 * config/avr/avr.opt (-msp8): New option.
4221 (avr_sp8): New variable.
4222 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
4223 * config/avr/avr.h (AVR_HAVE_SPH): New define.
4224 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
4225 (avr_device_to_sp8): New prototype.
4226 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
4227 (DRIVER_SELF_SPECS): New define.
4228 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
4229 __AVR_SP8__, __AVR_HAVE_SPH__.
4230 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
4231 AVR_HAVE_8BIT_SP to decide if SP_H is present.
4232 (avr_file_start): Ditto.
4234 2012-03-28 Jakub Jelinek <jakub@redhat.com>
4237 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
4238 instead of 8 in adjust_address.
4240 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
4242 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
4243 of a unit before computing the offset in units.
4245 2012-03-27 Richard Guenther <rguenther@suse.de>
4248 * fold-const.c (try_move_mult_to_index): Handle &x.array more
4251 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
4254 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
4256 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
4259 * varasm.c: Include pointer-set.h.
4260 (pending_assemble_externals_set): New pointer set.
4261 (process_pending_assemble_externals): Destroy the pointer set.
4262 (assemble_external): See if decl is in pending_assemble_externals_set,
4263 and add it to pending_assemble_externals if necessary.
4264 (init_varasm_once): Allocate pending_assemble_externals_set.
4266 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4268 Backported from mainline
4269 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
4272 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
4273 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
4274 (vector_ltgt<mode>): Likewise.
4275 (vector_ordered<mode>): Likewise.
4276 (vector_unordered<mode>): Likewise.
4277 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
4279 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
4281 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
4284 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
4286 Backported from mainline
4287 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
4291 * config/sh/sh.c (sh_register_move_cost): Increase cost between
4292 GENERAL_REGS and FP_REGS for SImode.
4294 2012-03-22 Jakub Jelinek <jakub@redhat.com>
4297 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
4298 on any new_local_var_chain vars declared during recursing on
4299 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
4301 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
4303 Backport from 2012-03-22 mainline r185692.
4306 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
4307 (unspecv): Add UNSPECV_MEMORY_BARRIER.
4308 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
4309 (delay_cycles_1, delay_cycles_2): Ditto.
4310 (delay_cycles_3, delay_cycles_4): Ditto.
4311 (nopv, *nopv): Ditto.
4312 (sleep, *sleep): Ditto.
4315 Backport from 2012-03-21 mainline r185605.
4317 PR rtl-optimization/52543
4319 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
4320 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
4321 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
4322 (avr_load_libgcc_p): Restrict to __flash loads.
4323 (avr_out_lpm): Only handle 1-byte loads from __flash.
4324 (avr_load_lpm): New function.
4325 (avr_find_unused_d_reg): Remove.
4326 (avr_out_lpm_no_lpmx): Remove.
4327 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
4328 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
4329 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
4330 (load_<mode>, load_<mode>_clobber): New insns.
4331 (mov<mode>): For multi-byte move from non-generic
4332 16-bit address spaces: Expand to load_<mode> resp.
4333 load_<mode>_clobber.
4334 (load<mode>_libgcc): Remove expander.
4335 (split-lpmx): Remove split.
4337 Backport from 2012-03-13 mainline r185329.
4340 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
4341 offset (size) to a value the insns can deal with.
4342 (expand_epilogue): Ditto.
4344 Backport from 2012-03-12 mainline r185256.
4347 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
4348 type from reg_class_t to enum reg_class.
4349 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
4351 Backport from 2012-03-12 mainline r185253.
4354 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
4355 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
4356 r184615 from 2012-02-28.
4358 Backport from 2012-03-08 mainline r185105.
4360 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
4361 for constants in [-63,63].
4363 Backport from 2012-03-08 mainline r185100.
4366 * config/avr/avr.c (avr_mem_clobber): New static function.
4367 (avr_expand_delay_cycles): Add memory clobber operand to
4368 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
4369 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
4370 (enable_interrupt, disable_interrupt): New expander.
4371 (nopv, sleep, wdr): New expanders.
4372 (delay_cycles_1): Add memory clobber.
4373 (delay_cycles_2): Add memory clobber.
4374 (delay_cycles_3): Add memory clobber.
4375 (delay_cycles_4): Add memory clobber.
4376 (cli_sei): New insn from former "enable_interrupt",
4377 "disable_interrupt" with memory clobber.
4378 (*wdt): New insn from former "wdt" with memory clobber.
4379 (*nopv): Similar, but for "nopv".
4380 (*sleep): Similar, but for "sleep".
4382 Backport from 2012-03-07 mainline r185043.
4385 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
4387 Backport from 2012-03-07 mainline r185032.
4390 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
4391 to: RAMPZ, RAMPY, RAMPX, RAMPD.
4392 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
4394 Backport from 2012-03-07 mainline r185031.
4397 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
4399 * config/avr/avr.md (xload_8): Adjust insn length.
4401 Backport from 2012-03-07 mainline r185030.
4404 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
4405 if RAMPZ affects reading from RAM.
4407 Backport from 2012-03-05 mainline r184919.
4409 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
4411 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
4413 Backport from mainline r185259.
4416 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
4417 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
4419 2012-03-22 Jakub Jelinek <jakub@redhat.com>
4421 Backported from mainline
4422 2012-03-13 Jakub Jelinek <jakub@redhat.com>
4425 * c-parser.c (c_parser_postfix_expression)
4426 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
4428 * config/i386/smmintrin.h: Avoid /* within a comment.
4429 * config/i386/nmmintrin.h: Likewise.
4431 2012-03-22 Richard Guenther <rguenther@suse.de>
4433 * BASE-VER: Set to 4.7.1.
4434 * DEV-PHASE: Set to prerelease.
4436 2012-03-22 Release Manager
4438 * GCC 4.7.0 released.
4440 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4442 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
4444 2012-03-15 Jakub Jelinek <jakub@redhat.com>
4445 Andrew Pinski <apinski@cavium.com>
4448 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
4449 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
4450 calls instead of __builtin_ir{int,ound}*.
4452 2012-03-14 Jakub Jelinek <jakub@redhat.com>
4455 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
4458 2012-03-13 Joseph Myers <joseph@codesourcery.com>
4460 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
4461 Refer to GCC 4.7 version of c99status.html.
4463 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4465 Backport from mainline
4466 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4468 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
4469 redefine to be NULL if the current bit-size is different from the
4470 configured bit-size.
4472 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
4473 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
4474 set the default tuning. Add asserts to make sure the cpu and tune
4475 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
4476 test whether the index is set, instead of > 0.
4477 (rs6000_file_start): Do not reset the default cpu if the current
4478 bit-size is different from the configured bit-size.
4480 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4482 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
4484 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
4485 Update binutils references.
4486 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
4487 Update binutils reference.
4488 Update Sun as/GNU ld caveat.
4489 Document binutils largefile requirement for LTO plugin.
4490 Remove reference to alternate libpthread.
4492 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4494 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
4496 (Specific, mips-sgi-irix6): Likewise.
4498 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4500 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
4501 * configure: Regenerate.
4503 2012-03-07 Richard Henderson <rth@redhat.com>
4505 * config/m68k/m68k.h (ISA_HAS_TAS): New.
4506 * config/m68k/sync.md (atomic_test_and_set): Use it.
4507 (atomic_test_and_set_1): Likewise.
4509 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
4512 * Makefile.in: Let install-gcc-ar depend on installdirs,
4513 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
4514 Don't double canonicalize if cross-compiling.
4516 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
4518 * trans-mem.c: New typedef for tm_region_p.
4519 Define vector types for tm_region_p.
4520 (tm_region_init): Replace region_worklist to a vector called
4523 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
4526 * trans-mem.c (tm_region_init): Use last_basic_block.
4528 2012-03-05 Richard Henderson <rth@redhat.com>
4531 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
4532 * omp-low.c (expand_omp_atomic): Assume anything aligned to
4533 BIGGEST_ALIGNMENT is aligned.
4535 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
4537 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
4539 2012-03-05 Richard Henderson <rth@redhat.com>
4542 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
4543 instead of calling negqi2 directly.
4545 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4547 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
4548 (INTMAX_TYPE): Use it.
4549 (UINTMAX_TYPE): Likewise.
4550 (SUBTARGET_OVERRIDE_OPTIONS): Define.
4551 (irix6_c_common_override_options): Declare.
4552 (C_COMMON_OVERRIDE_OPTIONS): Define.
4553 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
4554 * config/mips/irix6-c.c: New file.
4555 * config/mips/t-irix6 (irix6-c.o): New target.
4556 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
4559 2012-03-02 Richard Henderson <rth@redhat.com>
4561 * optabs.c (expand_atomic_test_and_set): Honor
4562 atomic_test_and_set_trueval even when atomic_test_and_set
4563 optab is not in use.
4565 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
4567 Backport from mainline
4568 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
4570 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
4572 2012-03-02 Richard Guenther <rguenther@suse.de>
4574 * DEV-PHASE: Set to prerelease.
4576 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
4578 * config.gcc (obsolete): Add all ARM targets using the FPA.
4579 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
4580 * doc/install.texi: Avoid references to obsolete ARM ports.
4582 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
4584 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
4586 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
4587 Joern Rennecke <joern.rennecke@embecosm.com>
4589 * doc/extend.texi: Expand and update information on interrupt
4590 attribute for Epiphany.
4592 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4594 * config/sh/sh-protos.h: Update copyright notice dates.
4595 * config/sh/sh.h: Likewise.
4596 * config/sh/sh.md: Likewise.
4597 * config/sh/constraints.md: Likewise.
4598 * config/sh/predicates.md: Likewise.
4600 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4602 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
4603 * config/sh/sh.c (tertiary_reload_operand): Likewise.
4605 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
4607 * config/sh/constraints.md: Fix comment typo.
4609 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4612 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
4613 unsigned HOST_WIDE_INT.
4614 (zvdep_imm64): Likewise.
4615 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
4616 (vdepi_and): Likewise.
4617 Likewise for unamed 64-bit patterns.
4618 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
4620 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
4623 PR rtl-optimization/52417
4624 * cselib.c (cselib_any_perm_equivs): New variable.
4625 (cselib_reset_table): Check that it's not set when not
4626 preserving constants.
4627 (cselib_add_permanent_equiv): Set it.
4628 (cselib_have_permanent_equivalences): New.
4629 (cselib_init, cselib_finish): Reset it.
4630 * cselib.h (cselib_have_permanent_equivalences): Declare.
4631 * alias.c (get_addr): Restore earlier behavior when there
4632 aren't permanent equivalences.
4634 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
4636 * config/mn10300/mn10300-modes.def: Fix copyright notice.
4637 * config/v850/v850-modes.def: Fix copyright notice.
4639 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
4641 * doc/extend.texi (AVR Built-in Functions): Document
4642 __builtin_avr_flash_segment.
4644 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
4645 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
4646 (*split.flash_segment): New insn-and-split.
4647 * config/avr/avr.c (avr_init_builtins): Add local variables:
4648 const_memx_void_node, const_memx_ptr_type_node,
4649 char_ftype_const_memx_ptr.
4651 2012-03-01 Jakub Jelinek <jakub@redhat.com>
4653 PR tree-optimization/52445
4654 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
4655 add ssa_name_ver, offset and size fields and change store field
4657 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
4658 (add_or_mark_expr): Likewise. Only consider previous stores
4659 with the same size and offset.
4660 (nt_init_block): Only look at gimple_assign_single_p stmts,
4661 doesn't look at rhs2.
4663 2012-03-01 Richard Guenther <rguenther@suse.de>
4666 * tree-cfg.c (verify_gimple_assign_unary): Allow any
4667 conversions from integral types to pointer types.
4669 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
4671 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
4672 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
4673 unintentionally removed in r184616.
4675 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4677 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
4680 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4681 Uros Bizjak <ubizjak@gmail.com>
4684 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
4685 alternatives, add "e" constraint to the new last alternative
4686 and ! to last 3 alternatives.
4688 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
4690 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
4691 DW_AT_artificial attributes at the end of the processing.
4692 (gen_array_type_die): Likewise.
4693 (gen_enumeration_type_die): Likewise.
4694 (gen_struct_or_union_type_die): Likewise.
4695 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
4698 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4701 * expr.c (expand_assignment): If doing misaligned store that doesn't
4702 cover all mode bits, perform a RMW cycle.
4704 PR tree-optimization/52429
4705 * tree-parloops.c (separate_decls_in_region_debug): Return early
4706 if var is LABEL_DECL.
4708 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4710 PR tree-optimization/52424
4711 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
4712 calling dom_thread_across_edge.
4714 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4716 * config/avr/avr.c: Move definition of TARGET macros to end of file.
4718 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4720 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
4721 * config/avr/avr.c (avr_output_bld): Remove unused function.
4722 (avr_out_sbxx_branch): Use "%T" to print bit position.
4724 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4726 * config/avr/avr.md: Untabify.
4728 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4730 * config/avr/avr.md (eqne): New code iterator.
4731 (*dec-and-branchsi): Use it in text peephole's condition.
4732 (*dec-and-branchhi): Ditto.
4733 (*dec-and-branchqi): Ditto.
4735 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4738 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
4739 the device does not have the skip-bug.
4741 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
4743 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
4744 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
4745 -mpretend-cmove): New.
4747 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4750 * df.h (struct df_d): Adjust comment that hard_regs_live_count
4751 doesn't count DEBUG_INSN refs.
4752 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
4753 for DEBUG_INSN refs.
4755 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4759 2012-02-20 Richard Guenther <rguenther@suse.de>
4760 PR tree-optimization/52298
4761 * tree-vect-stmts.c (vectorizable_load): Properly use
4762 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4765 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
4768 * gimple.h (gimple_in_transaction): New.
4769 (gimple_set_in_transaction): New.
4770 (struct gimple_statement_base): Add in_transaction field.
4771 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
4773 (tree_ssa_lim_initialize): Compute transaction bits.
4774 * tree.h (compute_transaction_bits): Protoize.
4775 * trans-mem.c (tm_region_init): Use the heap to store BB
4777 (compute_transaction_bits): New.
4779 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4781 * gcc.c (display_help): Document --help=common and sort entries
4784 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4786 * doc/install.texi: Document check-$LANG specific shortcuts
4788 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4791 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
4793 * config/arm/arm_neon.h: Regenerate.
4794 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
4795 (neon_vcgeu): New insn.
4796 (neon_vcgtu): Likewise.
4797 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
4798 (ops): Unsigned comparison intrinsics call a different
4801 2012-02-28 Richard Guenther <rguenther@suse.de>
4804 * config/i386/i386.c (ix86_expand_vector_set): Fix element
4805 ordering for the VEC_CONCAT for two element vectors for
4806 V2SFmode, V2SImode and V2DImode.
4808 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4811 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
4812 detecting big-endian triplets.
4814 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4816 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
4817 mode if there is no type information available.
4819 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
4821 PR tree-optimization/53207
4822 * doc/invoke.texi: Document as experimental and relying on graphite.
4824 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4826 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
4827 of initializer to changes from r184614.
4829 2012-02-28 Richard Guenther <rguenther@suse.de>
4831 PR tree-optimization/52395
4832 * tree-sra.c (build_ref_for_offset): Also look at the base
4833 TYPE_ALIGN when figuring out the alignment of the replacement.
4835 2012-02-28 Richard Guenther <rguenther@suse.de>
4837 PR tree-optimization/52402
4838 * ipa-prop.c (ipa_modify_call_arguments): Properly use
4839 mis-aligned types when creating the accesses at the call site.
4841 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4843 * config/avr/builtins.def: New file.
4844 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
4845 * config/avr/avr.c (enum avr_builtin_id): Use it.
4846 (avr_init_builtins): Use it. And use avr_bdesc.
4847 (bdesc_1arg): Remove.
4848 (bdesc_2arg): Remove.
4849 (bdesc_3arg): Remove.
4850 (struct avr_builtin_description): Add field n_args.
4851 (avr_bdesc): New static variable using builtins.def.
4852 (avr_expand_builtin): Use it.
4853 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
4854 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
4855 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
4857 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4860 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
4861 match only one single hard register with respective hard reg rtx.
4862 (movmemx_<mode>): Ditto.
4863 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
4864 insn anatomy of movmem[x]_<mode>.
4865 (avr_out_movmem): Same for printing assembler and operand usage.
4867 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4871 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
4872 address spaces located outside of device flash.
4874 * config/avr/avr.h (base_arch_s): Remove field n_segments.
4875 (mcu_type_s): Add field n_flash.
4876 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
4877 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
4878 (AVR_MCU): Add N_FLASH argument.
4879 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
4880 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
4881 macro __FLASH<n> if that address space makes sense for the device.
4882 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
4883 outside of target flash.
4884 (avr_asm_named_section): Ditto.
4885 (avr_asm_select_section): Ditto.
4886 (avr_addr_space_convert): Ditto.
4887 (avr_emit_movmemhi): Ditto.
4888 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
4889 address space is outside of device flash.
4890 (avr_insert_attributes): Ditto.
4891 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
4892 avr_current_arch->n_segments.
4894 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
4897 * config/i386/i386.md (*movabs<mode>_1): Enable only for
4899 (*movabs<mode>_2): Likewise.
4901 2012-02-27 Jakub Jelinek <jakub@redhat.com>
4904 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
4905 s_register_operand in the test instead of REG_P. Don't call
4906 gen_reg_rtx if it won't be used.
4908 PR tree-optimization/52376
4909 * ipa-split.c (split_function): Ignore CLOBBER stmts.
4911 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
4913 * ifcvt.c (noce_get_condition): Check condition variable is not
4914 small_register_classes_for_mode_p before accepting.
4916 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
4918 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
4920 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4923 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4924 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4926 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4928 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
4930 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
4932 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
4934 * config/sh/predicates.md: Remove blank lines.
4935 * config/sh/sh.c: Fix typos in comments.
4936 * config/sh/constraints.md: Likewise.
4937 * config/sh/sh.md: Remove blank lines.
4938 Fix typos in comments. Use ;; as comment characters.
4940 2012-02-26 Walter Lee <walt@tilera.com>
4942 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
4943 (replace_mov_pcrel_step2): Ditto.
4945 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
4948 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
4949 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
4950 and locs that reference values newer than the non-canonical value
4951 at hand. Return the canonical value as a worst case.
4952 (memrefs_conflict_p): Walk canonical value's locs.
4955 * cselib.c (preserve_only_constants): Rename to...
4956 (preserve_constants_and_equivs): ... this. Split out...
4957 (invariant_or_equiv_p): ... this. Preserve plus expressions
4958 of other preserved expressions too.
4959 (cselib_reset_table): Adjust.
4960 * var-tracking.c (reverse_op): Use canonical value to build
4963 2012-02-23 Kai Tietz <ktietz@redhat.com>
4965 * config/i386/i386.c (ix86_delegitimize_address): Handle
4966 UNSPEC_PCREL plus displacement.
4968 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
4971 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
4972 to test for unusedness in st X addressing.
4974 2012-02-24 Richard Guenther <rguenther@suse.de>
4977 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
4978 (is_gimple_reg_type): Move inline ...
4979 * gimple.h (is_gimple_reg_type): ... here.
4981 2012-02-24 Richard Guenther <rguenther@suse.de>
4984 * passes.c (execute_function_todo): When verifying SSA form
4985 verify gimple form first.
4986 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
4988 2012-02-24 Richard Guenther <rguenther@suse.de>
4991 * fold-const.c (fold_addr_of_array_ref_difference): New function.
4992 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
4994 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4996 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
4998 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5000 * tree-phinodes.c (make_phi_node): Mark static.
5001 * tree-flow.h (make_phi_node): Remove extern decl.
5002 * doc/gimple.texi (make_phi_node): Remove documentation.
5004 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5006 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
5007 * tree-ssa-sccvn.c (print_scc): Ditto.
5009 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5011 * doc/passes.texi (Full redundancy elimination): Fix typo.
5013 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
5015 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
5017 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
5020 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
5022 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
5025 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
5027 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
5029 * config/avr/avr.md (code_stdname): Add ior, xor.
5030 (xior): New code iterator.
5031 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
5032 (*<code_stdname><mode>qi.byte1-3): Ditto.
5034 2012-02-23 Jakub Jelinek <jakub@redhat.com>
5036 PR tree-optimization/52019
5037 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
5040 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5042 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
5043 HAVE_INITFINI_ARRAY to work around namespace pollution in
5044 certain versions of newlib system headers.
5045 * config.in: Regenerate.
5046 * configure: Regenerate.
5047 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
5048 instead of HAVE_INITFINI_ARRAY.
5050 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
5053 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
5054 is not offsettable memory reference.
5056 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5059 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
5060 setting avr_need_clear_bss_p for __gnu_lto* symbols.
5062 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5064 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
5065 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
5067 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5069 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
5070 library on Solaris 8 even without TLS support.
5071 * configure: Regenerate.
5073 2012-02-22 Richard Guenther <rguenther@suse.de>
5076 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
5077 for GIMPLE_DEBUG stmts.
5079 2012-02-22 Martin Jambor <mjambor@suse.cz>
5082 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
5083 according to the base object.
5085 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
5087 PR rtl-optimization/50063
5088 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
5089 and 2 (8-bit SP) in operand 2.
5090 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
5091 setup to use movhi_sp_r instead of vanilla move to write SP.
5092 Adjust REG_CFA notes to superseed unspec.
5093 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
5095 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
5096 known to be off) only with TARGET_NO_INTERRUPTS. Never use
5097 irq_state 1 (IRQ known to be on) here.
5099 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
5101 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
5103 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
5104 assign_hard_reg): Likewise.
5106 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5108 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
5110 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5113 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
5114 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
5116 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
5118 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
5119 prototype from here to...
5120 * config/avr/avr.h: ...here.
5122 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
5125 * thumb2.md (thumb2_shiftsi3_short): Split register and
5126 immediate shifts. For register shifts tie operands 0 and 1.
5127 (peephole2 for above): Check that register-controlled shifts
5128 have suitably tied operands.
5130 2012-02-21 Quentin Neill <quentin.neill@amd.com>
5133 * config/i386/bdver1.md (bdver1_call, bdver1_push,
5134 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
5135 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
5136 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
5137 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
5138 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
5139 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
5140 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
5141 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
5142 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
5143 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
5144 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
5145 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
5146 bdver1_ssevector_avx256_unaligned_load,
5147 bdver1_ssevector_sse128_unaligned_load,
5148 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
5149 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
5150 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
5151 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
5152 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
5153 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
5154 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
5155 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
5156 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
5157 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
5158 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
5159 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
5160 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
5161 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
5162 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
5163 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
5164 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
5165 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
5166 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
5167 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
5168 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
5169 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
5170 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
5171 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
5172 bdver1_ssediv_double_load, bdver1_ssediv_double,
5173 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
5174 Add "bdver2" attribute.
5176 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5178 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
5179 default if possible and not specified otherwise.
5181 2012-02-21 Richard Guenther <rguenther@suse.de>
5184 * gimplify.c (create_tmp_from_val): Use the main variant type
5185 for the type of the temporary we create.
5187 2012-02-21 Richard Guenther <rguenther@suse.de>
5189 PR tree-optimization/52324
5190 * gimplify.c (gimplify_expr): When re-gimplifying expressions
5191 do not gimplify a MEM_REF address operand if it is already
5194 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5196 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
5197 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
5199 2012-02-21 Richard Guenther <rguenther@suse.de>
5201 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
5202 nested_in_vect_loop.
5204 2012-02-21 Jakub Jelinek <jakub@redhat.com>
5206 PR tree-optimization/52318
5207 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
5208 vdef also to non-pure/const call stmts in the sequence.
5210 2012-02-20 David S. Miller <davem@davemloft.net>
5212 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
5213 don't use the "rd %pc" instruction on v9 for PIC register loads.
5215 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
5218 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
5219 in a transaction safe function.
5221 2012-02-20 Kai Tietz <ktietz@redhat.com>
5224 * stor-layout.c (place_field): Handle desired_align for
5227 2012-02-20 Richard Guenther <rguenther@suse.de>
5229 PR tree-optimization/52298
5230 * tree-vect-stmts.c (vectorizable_store): Properly use
5231 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
5233 (vectorizable_load): Likewise.
5234 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
5235 Access DR_STEP after ensuring it is not NULL.
5237 2012-02-20 Jakub Jelinek <jakub@redhat.com>
5239 PR tree-optimization/52286
5240 * fold-const.c (fold_binary_loc): For (X & C1) | C2
5241 optimization use double_int_to_tree instead of build_int_cst_wide,
5242 rewrite to use double_int vars.
5244 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5247 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
5249 Remove -e 0 from $gcc_cv_ld invocation.
5250 Only use __GLIBC_PREREQ if defined.
5251 Enable on Solaris since Solaris 8 patch.
5252 (gcc_SUN_LD_VERSION): New macro.
5253 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
5254 gcc_SUN_LD_VERSION for version number format.
5255 * configure: Regenerate.
5256 * varasm.c (get_elf_initfini_array_priority_section): Set
5257 SECTION_NOTYPE for non-default priority.
5258 Use get_section instead of get_unnamed_section to emit
5259 .init_array/.fini_array with default priority.
5261 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
5263 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
5264 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
5265 (mips_start_unique_function, mips_output_mips16_rdhwr)
5266 (mips_code_end): New functions.
5267 (TARGET_ASM_CODE_END): Define.
5269 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
5271 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
5272 to stubs with non-sibling calls.
5274 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
5276 * doc/invoke.texi (-fira-* options): Copy-edit.
5277 (ira-* parameters): Copy-edit.
5279 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
5281 * doc/invoke.texi: Minor copy-edits to bring into conformance with
5282 GCC coding conventions.
5284 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
5286 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
5287 when used as adjectives.
5289 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
5291 * doc/invoke.texi: Clean up "that"/"which" confusion.
5293 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
5295 * system.h: Poison SMALL_REGISTER_CLASSES
5296 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
5297 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
5299 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5301 PR tree-optimization/52285
5302 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
5303 when deciding if a call is a tail call or tail recursion.
5305 2012-02-16 Kai Tietz <ktietz@redhat.com>
5307 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
5308 interger-constant displacement for UNSPEC_PCREL.
5310 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5312 PR rtl-optimization/52208
5313 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
5314 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
5316 PR tree-optimization/52255
5317 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
5318 loop->header has virtual PHI, but exit_e->dest doesn't, add
5319 virtual PHI to exit_e->dest and adjust all uses after the loop.
5322 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
5323 children with clone_tree_hash, not after it.
5325 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
5327 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
5328 extended identifiers.
5330 2012-02-16 Jakub Jelinek <jakub@redhat.com>
5333 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
5334 a same_body_alias, also test whether e->callee isn't a former
5335 or current clone of the decl this is a same body alias of.
5337 PR translation/52264
5338 * cgraphunit.c (verify_cgraph_node): Fix a typo.
5340 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
5342 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
5344 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
5347 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
5348 force_reg instead of copy_to_reg for better optimization. Force
5349 non-register or memory operands into a register.
5351 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
5353 * extend.texi: Reserve upper bits of memory model for future use.
5355 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
5356 Anatoly Sokolov <aesok@post.ru>
5357 Eric Weddington <eric.weddington@atmel.com>
5360 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
5361 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
5362 Rewrite initializers for .macro.
5363 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
5364 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
5365 atxmega32d4, atxmega32x1.
5366 avrxmega4: atxmega64a3, atxmega64d3.
5367 avrxmega5: atxmega64a1, atxmega64a1u.
5368 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
5369 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
5370 avrxmega7: atxmega128a1, atxmega128a1u.
5371 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
5372 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
5373 (struct base_arch_s): Rename reserved to xmega_p.
5374 Rename reserved2 to have_rampd.
5375 (AVR_XMEGA): New define.
5376 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
5377 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
5378 * config/avr/predicates.md (io_address_operand): Take into
5380 (low_io_address_operand): Ditto.
5381 (high_io_address_operand): Ditto.
5382 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
5383 (enabled, movhi_sp_r): Use them.
5384 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
5385 cpp_define_formatted to built-in define __AVR_ARCH__.
5386 (__AVR_XMEGA__): New built-in define.
5387 (__AVR_HAVE_RAMPD__): New built-in define.
5388 (__AVR_HAVE_RAMPX__): New built-in define.
5389 (__AVR_HAVE_RAMPY__): New built-in define.
5390 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
5392 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
5393 (avr_option_override): Initialize them.
5394 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
5395 (avr_init_expanders): Initialize them. No more block several calls.
5396 (emit_push_sfr): New static function.
5397 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
5399 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
5400 (avr_print_operand): Print addreeses as symbols for
5401 RAMPX, RAMPY, RAMPD, CCP.
5402 (output_movhi): Handle AVR_XMEGA when writing to SP.
5403 (avr_out_movhi_mr_r_xmega): New static function.
5404 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
5405 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
5406 __RAMPD__, __CCP__ as needed.
5408 * config/avr/multilib.h: Regenerate.
5409 * config/avr/t-multilib: Regenerate.
5410 * config/avr/avr-tables.opt: Regenerate.
5412 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
5414 PR tree-optimization/50561
5415 * graphite-flattening.c (lst_project_loop): Do not
5416 remove old scattering dimensions after flattening.
5417 (lst_do_flatten): Likewise.
5419 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
5421 * doc/extend.texi (AVR Built-in Functions): Remove doc for
5422 __builtin_avr_map8, __builtin_avr_map16.
5423 Document __builtin_avr_insert_bits.
5425 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
5426 (insert_bits): New insn.
5427 (adjust_len.map_bits): Rename to insert_bits.
5428 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
5429 * avr-protos.h (avr_out_map_bits): Remove.
5430 (avr_out_insert_bits, avr_has_nibble_0xf): New.
5431 * config/avr/constraints.md (Cxf,C0f): New.
5432 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
5433 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
5434 New built-in define __BUILTIN_AVR_INSERT_BITS.
5435 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
5436 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
5437 (avr_move_bits): Rewrite.
5438 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
5440 (avr_map_op_t): New typedef.
5441 (avr_map_op): New static variable.
5442 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
5443 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
5444 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
5445 (bdesc_3arg, avr_expand_triop_builtin): New.
5446 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
5447 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
5448 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
5449 (avr_map_equal_p, avr_map_sig_p): Remove.
5450 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
5451 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5452 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
5453 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5454 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
5455 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
5457 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
5459 * config/c6x/c6x.md (reserve_cycles): New attribute.
5460 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
5461 don't reserve functional units after the branch occurs.
5463 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
5466 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
5467 functions into non-tm_pure functions.
5469 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
5472 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
5473 (iterative_hash_canonical_type): Likewise.
5474 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
5477 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
5479 * haifa-sched.c (prune_ready_list): Ensure that if there is a
5480 sched-group insn, it either remains alone or the entire list is pruned.
5482 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
5484 * doc/install.texi (Prerequisites): Fix grammar.
5485 (Configuration): Likewise.
5487 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
5489 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
5490 MPC as part of GCC before describing configuring with --with-gmp etc.
5491 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
5492 sources are present.
5494 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5497 * dwarf2out.c (clone_tree_hash): New function.
5498 (copy_decls_walk): Use it instead of clone_tree.
5500 2012-02-14 Richard Guenther <rguenther@suse.de>
5502 PR tree-optimization/52244
5503 PR tree-optimization/51528
5504 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
5505 replacements for integral types.
5507 2012-02-14 Walter Lee <walt@tilera.com>
5509 * config.gcc: Handle tilegx and tilepro.
5510 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
5512 Add HAVE_AS_TLS check for tilegx and tilepro.
5513 * configure: Regenerate.
5514 * doc/contrib.texi: Add Mat Hostetter and self.
5515 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
5516 Document instruction intrinsics and network accessing intrinsics.
5517 (TILEPro Built-in Functions): New node. Document instruction
5518 intrinsics and network accessing intrinsics.
5519 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
5520 (Specific, tilepro-*-linux*): Likewise.
5521 * doc/invoke.texi (TILE-Gx Options): New section.
5522 (TILEPro Options): New section.
5523 * doc/md.texi (TILE-Gx): New section.
5524 (TILEPro): New section.
5525 * common/config/tilegx/tilegx-common.c: New file.
5526 * common/config/tilepro/tilepro-common.c: New file.
5527 * config/tilegx/constraints.md: New file.
5528 * config/tilegx/linux.h: New file.
5529 * config/tilegx/mul-tables.c: New file.
5530 * config/tilegx/predicates.md: New file.
5531 * config/tilegx/sync.md: New file.
5532 * config/tilegx/t-tilegx: New file.
5533 * config/tilegx/tilegx-builtins.h: New file.
5534 * config/tilegx/tilegx-c.c: New file.
5535 * config/tilegx/tilegx-generic.md: New file.
5536 * config/tilegx/tilegx-modes.def: New file.
5537 * config/tilegx/tilegx-multiply.h: New file.
5538 * config/tilegx/tilegx-protos.h: New file.
5539 * config/tilegx/tilegx.c: New file.
5540 * config/tilegx/tilegx.h: New file.
5541 * config/tilegx/tilegx.md: New file.
5542 * config/tilegx/tilegx.opt: New file.
5543 * config/tilepro/constraints.md: New file.
5544 * config/tilepro/gen-mul-tables.cc: New file.
5545 * config/tilepro/linux.h: New file.
5546 * config/tilepro/mul-tables.c: New file.
5547 * config/tilepro/predicates.md: New file.
5548 * config/tilepro/t-tilepro: New file.
5549 * config/tilepro/tilepro-builtins.h: New file.
5550 * config/tilepro/tilepro-c.c: New file.
5551 * config/tilepro/tilepro-generic.md: New file.
5552 * config/tilepro/tilepro-modes.def: New file.
5553 * config/tilepro/tilepro-multiply.h: New file.
5554 * config/tilepro/tilepro-protos.h: New file.
5555 * config/tilepro/tilepro.c: New file.
5556 * config/tilepro/tilepro.h: New file.
5557 * config/tilepro/tilepro.md: New file.
5558 * config/tilepro/tilepro.opt: New file.
5560 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5562 PR tree-optimization/52210
5563 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
5564 vect_model_simple_cost with two entry vect_def_type array instead
5565 of an address of dt.
5567 2012-02-14 Richard Guenther <rguenther@suse.de>
5570 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
5571 Do not stream DECL_QUALIFIER.
5572 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
5573 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
5574 (find_decls_types_r): Do not walk DECL_QUALIFIER.
5576 2012-02-14 Jakub Jelinek <jakub@redhat.com>
5579 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
5582 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5585 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5586 * cselib.c (cselib_subst_to_values_from_insn): New function.
5587 * sched-deps.c (add_insn_mem_dependence,
5588 sched_analyze_1, sched_analyze_2): Use it.
5590 2012-02-13 Jan Hubicka <jh@suse.cz>
5593 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
5595 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
5597 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
5598 (GTM_SELF_SPECS): Define if not already defined.
5599 (driver_self_specs): Add GTM_SELF_SPECS.
5600 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
5601 (GTM_SELF_SPECS): Define.
5602 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
5603 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
5605 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5607 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
5610 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
5613 * omp-low.c (expand_omp_for): If a static schedule without chunk size
5614 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
5616 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
5619 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
5621 2012-02-13 Richard Guenther <rguenther@suse.de>
5623 PR translation/52211
5624 * passes.c (enable_disable_pass): Fix typo.
5626 2012-02-13 Jakub Jelinek <jakub@redhat.com>
5629 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
5630 XOR for reduce_bit_field if type is unsigned.
5632 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
5634 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
5635 disallow changes from SFmode to mode with different size in FP regs.
5637 2012-02-12 Robert Millan <rmh@gnu.org>
5638 Gerald Pfeifer <gerald@pfeifer.com>
5640 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
5643 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
5645 PR rtl-optimization/52175
5646 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
5647 to frame-related instructions.
5649 2012-02-10 Jason Merrill <jason@redhat.com>
5652 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
5653 (demangle_new_symbols): Fill it.
5654 (scan_linker_output): Walk it.
5655 (start_tweaking): Split out from scan_linker_output.
5656 (maybe_tweak): Update sym->chosen.
5657 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
5659 2012-02-11 Jakub Jelinek <jakub@redhat.com>
5662 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
5664 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
5666 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
5667 having the same mode as previous compare.
5669 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
5671 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
5672 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
5673 (nonlocal_goto_internal): Likewise.
5674 (nonlocal_goto): Emit a use and an indirect jump directly.
5676 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
5679 * doc/extend.texi : Update comments for __atomic_compare_exchange and
5680 __atomic_{is,always}_lock_free.
5682 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
5685 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
5686 negative constant address for x32.
5688 2012-02-10 Richard Henderson <rth@redhat.com>
5690 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
5691 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
5692 for GIMPLE_TRANSACTION. Tidy if's into a switch.
5694 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5695 Ira Rosen <irar@il.ibm.com>
5697 PR tree-optimization/50031
5698 * targhooks.c (default_builtin_vectorization_cost): Handle
5700 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
5701 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
5702 all types of reduction and pattern statements.
5703 (vect_estimate_min_profitable_iters): Likewise.
5704 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
5705 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
5706 for explicit realigns.
5707 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
5708 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
5710 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
5711 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
5712 vec_perm for VSX and handle vec_promote_demote.
5714 2012-02-10 Jakub Jelinek <jakub@redhat.com>
5717 * builtins.c (fold_builtin_atomic_always_lock_free,
5718 expand_builtin_atomic_always_lock_free,
5719 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
5720 Return and/or test boolean_true_node/boolean_false_node instead of
5721 integer_one_node/integer_zero_node.
5723 2012-02-10 Jan Hubicka <jh@suse.cz>
5726 * predict.c (predict_paths_for_bb): Prevent looping.
5727 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
5729 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
5731 * config/arm/arm.c (output_move_double): In one case properly
5732 count number of instructions that will be emitted.
5734 2012-02-10 Richard Guenther <rguenther@suse.de>
5736 PR translation/52193
5737 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
5739 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
5742 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
5744 2012-02-09 Jakub Jelinek <jakub@redhat.com>
5747 * var-tracking.c (emit_note_insn_var_location): If
5748 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
5749 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
5750 non-NOTE_DURING_CALL_P insn.
5752 2012-02-09 Bin Cheng <bin.cheng@arm.com>
5755 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
5757 2012-02-08 Magnus Granberg <zorry@gentoo.org>
5760 * gcc.c (switch_matches) Support switches with separated form,
5763 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
5765 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
5767 (RAMPZ_ADDR): Ditto.
5768 * config/avr/avr.c (avr_addr_t): New typedef.
5769 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
5770 (avr_init_expanders): Initialize it.
5771 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
5773 (expand_epilogue): Ditto.
5774 (avr_print_operand): Ditto.
5775 (avr_file_start): Ditto.
5776 (avr_emit_movmemhi): Ditto.
5778 2012-02-08 Richard Guenther <rguenther@suse.de>
5780 PR tree-optimization/46886
5781 * tree-flow.h (do_while_loop_p): Declare.
5782 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
5783 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
5785 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
5787 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
5788 always succeed for integers larger than a native word.
5790 2012-02-08 Richard Guenther <rguenther@suse.de>
5792 PR rtl-optimization/52170
5793 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
5794 properly handle integer vector modes.
5796 2012-02-08 Jakub Jelinek <jakub@redhat.com>
5798 PR gcov-profile/52150
5799 * coverage.c: Include target.h.
5800 (build_var): Call targetm.strip_name_encoding on the assembler name.
5801 Change one _ into . or $ if the target allows it.
5802 * Makefile.in (coverage.o): Depend on $(TARGET_H).
5804 PR rtl-optimization/52139
5805 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5806 is a BARRIER after emit_insn_after_noloc, move BB_END
5807 to the last non-BARRIER insn before it.
5809 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
5812 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5813 (mips_gimplify_va_arg_expr): Call it instead of
5814 std_gimplify_va_arg_expr.
5816 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
5818 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
5819 message for -mno-pointers-to-nested-function.
5821 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
5824 * expr.c (get_inner_reference): If there is an offset, add a negative
5825 bit position to it (if any).
5827 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5829 PR rtl-optimization/52060
5830 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
5831 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
5832 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
5833 and/or i0src_copy2 when needed.
5835 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5837 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
5838 or LTOPLUGINSONAME if have_c.
5840 * config/freebsd-spec.h: Add comment about what macros can be defined
5842 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
5843 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
5846 2012-02-07 Richard Guenther <rguenther@suse.de>
5848 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
5849 newline in -alias dumps.
5851 2012-02-07 Kai Tietz <ktietz@redhat.com>
5852 Dave Korn <dave.korn.cygwin@gmail.com>
5855 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5856 Take care that typinfo gets dllexport-attribute.
5858 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5861 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
5862 if modifier < EXPAND_SUM call force_operand on the result.
5864 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
5866 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
5867 adding __forwarder_dst__ prefix if a forwarder_section attribute is
5869 (epiphany_function_type): Replace types for specific interrupts with
5870 EPIPHANY_FUNCTION_INTERRUPT.
5871 (EPIPHANY_INTERRUPT_P): Update.
5872 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
5873 New static function.
5874 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
5875 <disinterrupt>: Affects type identity.
5876 (epiphany_handle_interrupt_attribute): Handle variable number of
5878 (epiphany_compute_function_type): Update for new
5879 epiphany_function_type definition.
5880 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
5881 handlers with a longcall forwarder.
5882 (epiphany_start_function): Handle multiple interrupt arguments and/or
5883 forwarder_section attribute.
5885 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
5888 2012-02-07 Alan Modra <amodra@gmail.com>
5891 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
5894 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5896 PR tree-optimization/50969
5897 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
5898 use vec_perm rather than vector_stmt.
5899 (vect_model_load_cost): Likewise.
5900 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
5901 vec_perm to be the same as other vector statements.
5902 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
5903 cost of vec_perm for TARGET_VSX.
5905 2012-02-06 Richard Guenther <rguenther@suse.de>
5907 PR tree-optimization/52115
5908 * tree-sra.c (access_has_replacements_p): New function.
5909 (sra_modify_assign): Use it to decide whether a use is uninitialized.
5911 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
5914 * trans-mem.c (expand_call_tm): Add an assertion.
5915 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
5918 2012-02-06 Richard Guenther <rguenther@suse.de>
5920 PR tree-optimization/50955
5921 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
5922 raise cost of expressions that replace an address with an
5923 expression based on a different pointer.
5925 2012-02-06 Jakub Jelinek <jakub@redhat.com>
5928 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
5929 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
5931 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
5934 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
5935 -Weffc++ and specify guidelines come from second edition.
5937 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5939 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
5940 (sibcall_value_multiple_internal, call_split, call_internal_direct)
5941 (call_direct_split, call_value_split, call_value_internal_direct)
5942 (call_value_direct_split, call_value_multiple_split): Use jal and
5943 jal_macro attributes.
5945 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5947 * reload1.c (reload_regs_reach_end_p): Replace with...
5948 (reload_reg_rtx_reaches_end_p): ...this function.
5949 (new_spill_reg_store): Update commentary.
5950 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
5951 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
5952 before setting new_spill_reg_store.
5953 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
5954 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
5955 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
5956 for non-spill reload registers.
5958 2012-02-05 Ira Rosen <irar@il.ibm.com>
5960 PR tree-optimization/52091
5961 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5962 (vect_is_simple_use_1): Likewise.
5963 * tree-vect-loop.c (vectorizable_reduction): Update calls
5964 to vect_is_simple_use_1 and vect_is_simple_use.
5965 (vectorizable_live_operation): Likewise.
5966 * tree-vect-patterns.c (widened_name_p,
5967 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
5968 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
5969 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
5970 vectorizable_shift,vectorizable_operation, vectorizable_store,
5971 vectorizable_load): Likewise.
5972 (vect_is_simple_cond): Add an argument, pass it to
5973 vect_is_simple_use_1.
5974 (vectorizable_condition): Update calls to vect_is_simple_cond,
5976 (vect_is_simple_use): Add an argument, the statement in which
5977 OPERAND is used. Check that if OPERAND's def stmt is a double
5978 reduction phi node, the use is a phi node too.
5979 (vect_is_simple_use_1): Add an argument, pass it to
5981 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
5982 to vect_is_simple_use.
5984 2012-02-04 Jakub Jelinek <jakub@redhat.com>
5986 PR rtl-optimization/52095
5987 * modulo-sched.c (dump_insn_locator): New function.
5988 (loop_canon_p, sms_schedule): Use it.
5990 PR rtl-optimization/52113
5991 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
5992 even for decomposable shift/zext insns.
5994 2012-02-03 Jakub Jelinek <jakub@redhat.com>
5995 Zdenek Dvorak <ook@ucw.cz>
5997 PR rtl-optimization/52092
5998 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
5999 on get_iv_value result.
6001 2012-02-02 Andrew Pinski <apinski@cavium.com>
6005 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
6007 2012-02-02 Jakub Jelinek <jakub@redhat.com>
6010 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
6012 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
6014 PR rtl-optimization/49800
6015 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
6016 (sched_finish): Call regstat_free_n_sets_and_refs.
6018 2012-02-02 Jia Liu <proljc@gmail.com>
6020 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
6023 2012-02-02 Jan Hubicka <jh@suse.cz>
6024 Tom de Vries <tom@codesourcery.com>
6027 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
6028 * varpool.c (varpool_analyze_pending_decls): Likewise.
6030 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
6031 Jayant R Sonar <jayant.sonar@kpitcummins.com>
6033 * config.gcc: Add cr16-* support.
6035 * doc/extend.texi: Document cr16 extensions.
6036 * doc/install.texi: Document cr16 install.
6037 * doc/invoke.texi: Document cr16 options.
6038 * doc/md.texi: Document cr16 constraints.
6040 * common/config/cr16/cr16-common.c: New file.
6041 * config/cr16/cr16.c: New file.
6042 * config/cr16/cr16.h: New file.
6043 * config/cr16/cr16.md: New file.
6044 * config/cr16/cr16.opt: New file.
6045 * config/cr16/cr16-protos.h: New file.
6046 * config/cr16/predicates.md: New file.
6047 * config/cr16/constraints.md: New file.
6048 * config/cr16/t-cr16: New file.
6050 2012-02-02 Jakub Jelinek <jakub@redhat.com>
6053 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
6054 that operands[2] is either immediate, or q_regs_operand.
6056 PR tree-optimization/52073
6057 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
6058 a pattern stmt for pattern uses, ignore uses outside of the loop.
6060 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
6062 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
6063 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
6064 (OUT_AS1, OUT_AS2): Remove.
6066 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
6068 PR rtl-optimization/51374
6069 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
6070 to cross other volatile_refs_p insns.
6072 2012-02-01 Richard Guenther <rguenther@suse.de>
6074 * doc/invoke.texi (fno-inline): Clarify documentation.
6075 (finline-small-functions): Likewise.
6076 (finline-functions): Likewise.
6077 * common.opt (finline): Adjust comment and documentation.
6078 (finline-small-functions): Clarify documentation.
6079 (finline-functions): Likewise.
6080 (finline-functions-called-once): Likewise.
6082 2012-02-01 Tristan Gingold <gingold@adacore.com>
6084 * c-typeck.c (composite_type): Keep mode for pointers.
6086 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
6088 * function.h (regno_reg_rtx): Adjust comment.
6089 * reginfo.c (init_reg_modes_target): Only use the previous mode
6090 if it fits within one register. Remove MIPS comment.
6092 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6095 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
6097 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6099 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
6100 to srak instruction.
6102 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6104 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
6106 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6111 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
6113 2012-01-31 Richard Guenther <rguenther@suse.de>
6115 PR tree-optimization/51528
6116 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
6119 2012-01-31 Jakub Jelinek <jakub@redhat.com>
6124 * ree.c (add_removable_extension): Change def_map argument
6125 to unsigned *, store in def_map 1 + offset into *insn_list vector
6126 instead of pointers into the vector.
6127 (find_removable_extensions): Adjust caller.
6129 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
6131 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
6132 Transform all "* quoted-c-code" to { c-code }.
6133 Remove redundant test for "optimize" in combine patterns.
6134 Move (include "avr-dimode.md") to end of file.
6136 2012-01-30 Bin Cheng <bin.cheng@arm.com>
6139 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
6140 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
6142 2012-01-30 Richard Guenther <rguenther@suse.de>
6144 PR tree-optimization/52028
6145 * tree-loop-distribution.c (ldist_gen): Properly update
6148 2012-01-30 Jakub Jelinek <jakub@redhat.com>
6151 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
6152 set_cur_line_info_table if not emitting debug info.
6154 PR tree-optimization/52046
6155 * tree-vect-patterns.c (check_bool_pattern): Give up if
6156 a comparison could throw.
6159 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
6161 2012-01-30 Richard Guenther <rguenther@suse.de>
6163 PR tree-optimization/52045
6164 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
6165 SSA form if cfgcleanup did anything.
6167 2012-01-30 Richard Guenther <rguenther@suse.de>
6169 PR tree-optimization/52045
6170 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
6171 before computing final todo.
6173 2012-01-30 Richard Guenther <rguenther@suse.de>
6175 PR tree-optimization/51528
6176 * tree-sra.c (sra_modify_assign): Re-factor in preparation
6179 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
6181 * df-problems.c (df_kill_notes): Check that the use refers
6182 to the note under examination.
6184 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
6187 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
6188 parameter and use short-lived pseudos.
6189 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
6190 (sparc_expand_vector_init): Const-ify local variables and adjust
6191 calls to above functions.
6193 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
6195 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
6197 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
6199 * doc/invoke.texi: Make usage of "compile time" and
6200 "run time"/"runtime" consistent throughout the file.
6202 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
6204 * config/alpha/alpha.c (alpha_option_override): Default to
6205 full IEEE compliance mode for Go language.
6207 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
6209 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
6210 (LINK_SSP_SPEC): Define.
6212 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6215 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
6218 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
6220 * doc/invoke.texi: Correct hyphenation of "floating point",
6221 "double precision", and related terminology throughout the file.
6223 2012-01-28 Jakub Jelinek <jakub@redhat.com>
6226 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
6227 arm_general_register_operand predicate for operand 2 instead of
6230 2012-01-27 Ian Lance Taylor <iant@google.com>
6233 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
6234 * builtins.c (expand_builtin_init_trampoline): Add onstack
6235 parameter. Change caller.
6236 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
6237 * tree.c (build_common_builtin_nodes): Declare
6238 __builtin_init_heap_trampoline.
6240 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
6242 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
6243 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
6244 * config/avr/avr.c: Ditto.
6245 (avr_regnames): Remove because unused.
6246 * config/avr/avr.md (*cpse.ne): New peephole.
6247 (*cpse.eq): New peephole from former cpse peepholes.
6249 2012-01-27 Michael Eager <eager@eagercon.com>
6251 * config/microblaze.c (microblaze_emit_compare): Correct
6252 test after pcmp instruction.
6254 2012-01-27 Richard Guenther <rguenther@suse.de>
6256 PR tree-optimization/52020
6257 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
6259 2012-01-27 Richard Guenther <rguenther@suse.de>
6261 * ipa-pure-const.c (check_stmt): Clobbers do not make a
6262 function non-const/pure.
6264 2012-01-27 Richard Guenther <rguenther@suse.de>
6266 PR tree-optimization/50444
6267 * tree-sra.c (build_ref_for_offset): Properly adjust the
6268 MEM_REF type for unaligned accesses.
6270 2012-01-27 Richard Guenther <rguenther@suse.de>
6272 PR tree-optimization/50444
6273 * expr.c (mem_ref_refers_to_non_mem_p): New function.
6274 (expand_assignment): Use it. Properly handle misaligned
6275 bases when expanding stores to component references.
6276 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
6279 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
6282 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
6283 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
6284 * tree-data-ref.c (find_data_references_in_loop): Make static.
6285 (compute_all_dependences): Change return type to bool. Bail out
6286 for too many datarefs in a loop. Move the hunk resetting the data
6287 dependences vector from ...
6288 (compute_data_dependences_for_loop): ... here. Account for
6289 compute_all_dependences returning false.
6290 (compute_data_dependences_for_bb): Likewise.
6291 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
6292 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
6294 2012-01-27 Richard Guenther <rguenther@suse.de>
6297 * expr.c (store_field): Use the alias-set of the scratch memory
6300 2012-01-27 Tom de Vries <tom@codesourcery.com>
6302 PR tree-optimization/51990
6303 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6305 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
6307 2012-01-27 Jakub Jelinek <jakub@redhat.com>
6310 * var-tracking.c (reverse_op): Don't add any reverse operation
6311 if V already has any constant locations.
6313 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
6315 * doc/invoke.texi: Correct usage of "command line" (noun)
6316 vs "command-line" (adjective) throughout.
6318 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
6320 * doc/invoke.texi (Language Independent Options): Move
6321 -Wcoverage-mismatch blurb from here....
6322 (Warning Options): ...to here.
6324 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
6326 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6327 Set rs6000_always_hint to false for 476.
6329 2012-01-27 Matthias Klose <doko@ubuntu.com>
6331 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
6333 * incpath.c (add_standard_paths): Likewise.
6335 2012-01-27 Richard Henderson <rth@redhat.com>
6337 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6338 * config/m68k/sync.md (atomic_test_and_set): Rename from
6339 sync_test_and_setqi and adjust the operands.
6340 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
6341 and unconditionally enable.
6343 2012-01-27 Richard Henderson <rth@redhat.com>
6345 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6346 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
6347 (ldstub): Rename from ldstubqi.
6348 (ldstub<I24MODE>): Remove.
6350 2012-01-27 Richard Henderson <rth@redhat.com>
6352 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
6353 * c-cppbuiltin.c (cpp_atomic_builtins): Define
6354 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
6355 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
6356 * doc/tm.texi: Rebuild.
6358 2012-01-27 Richard Henderson <rth@redhat.com>
6360 * optabs.c (gen_atomic_test_and_set): Remove default.
6361 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
6363 2012-01-26 Jakub Jelinek <jakub@redhat.com>
6365 PR rtl-optimization/51978
6366 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
6367 (combine_reaching_defs): Likewise.
6368 (struct re_info): Remove.
6369 (add_removable_extension): Remove x and data arguments,
6370 add insn, insn_list and def_map. Use the arguments directly
6371 instead of using struct re_info.
6372 (find_removable_extensions): Don't call add_removable_extension
6373 through note_stores, instead just call it with single_set
6375 (find_and_remove_re): Pass curr_cand->expr instead of
6376 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
6378 2012-01-26 Michael Matz <matz@suse.de>
6380 PR tree-optimization/46590
6381 * cfgexpand.c: Revert last change (r183305).
6382 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
6384 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
6385 checking for emptiness.
6387 2012-01-26 Jakub Jelinek <jakub@redhat.com>
6390 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
6391 non-addressable non-BLKmode base correctly.
6393 2012-01-26 Michael Matz <matz@suse.de>
6395 PR tree-optimization/48794
6396 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
6397 regions referenced from RESX/EH_DISPATCH.
6399 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6401 * config/s390/s390.h: Make BRANCH_COST an option.
6402 * config/s390/s390.opt: New option -mbranch-cost.
6404 2012-01-26 Richard Henderson <rth@redhat.com>
6406 Revert 2012-01-24 change:
6407 * trans-mem.c (requires_barrier): Do not instrument thread local
6408 variables and emit save/restore for them.
6410 2012-01-25 Jakub Jelinek <jakub@redhat.com>
6413 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
6416 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
6418 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
6421 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
6424 Rename __pgm to __flash.
6425 Rename __pgm1 to __flash1.
6426 Rename __pgm2 to __flash2.
6427 Rename __pgm3 to __flash3.
6428 Rename __pgm4 to __flash4.
6429 Rename __pgm5 to __flash5.
6430 Rename __pgmx to __memx.
6431 * doc/extend.texi (AVR Named Address Spaces)
6432 Rename address space names as indicated above.
6433 * config/avr/avr.c (avr_addrspace): Ditto.
6435 * config/avr/avr-protos.h
6436 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
6437 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
6438 * config/avr/predicates.md: Ditto.
6439 * config/avr/avr.c Ditto, and
6440 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
6441 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
6443 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
6444 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
6445 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
6446 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
6447 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
6448 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
6449 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
6450 * config/avr/avr.c: Ditto.
6451 * config/avr/avr.md: Ditto.
6453 2012-01-25 Jason Merrill <jason@redhat.com>
6456 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
6458 2012-01-25 Jakub Jelinek <jakub@redhat.com>
6460 PR tree-optimization/51987
6461 * tree-data-ref.c (get_references_in_stmt): Handle references in
6462 non-volatile GIMPLE_ASM.
6464 2012-01-25 Richard Guenther <rguenther@suse.de>
6466 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
6467 bases are dereferenced.
6469 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
6471 PR rtl-optimization/48374
6472 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
6474 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
6476 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
6477 compute_data_dependences_for_loop returns false.
6478 * tree-parloops.c (loop_parallel_p): Likewise.
6480 2012-01-25 Richard Guenther <rguenther@suse.de>
6482 * tree.h (get_pointer_alignment_1): Declare.
6483 * builtins.c (get_pointer_alignment_1): New function.
6484 (get_pointer_alignment): Use it.
6486 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6488 PR rtl-optimization/48308
6489 * combine.c (enum undo_kind): Add UNDO_LINKS.
6490 (struct undo): Add member l to other_contents and where.
6491 (do_SUBST_LINK): New.
6493 (try_combine): Handle LOG_LINKS for the dummy i1 case.
6494 (undo_all): Handle UNDO_LINKS.
6496 2012-01-25 Richard Henderson <rth@redhat.com>
6498 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
6501 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6503 * optabs.c (gen_atomic_test_and_set): Use each argument.
6505 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6507 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
6508 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
6509 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
6510 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
6511 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
6512 TARGET_PAIRED_SINGLE_FLOAT.
6514 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6516 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6517 (in_struct, return_val): Remove MEM documentation.
6518 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
6519 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
6520 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
6522 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6523 * cfgexpand.c (add_alias_set_conflicts): Likewise.
6524 * expr.c (store_field): Likewise.
6525 * function.c (assign_stack_temp_for_type): Likewise.
6526 * ifcvt.c (noce_try_cmove_arith): Likewise.
6527 * reload1.c (reload): Likewise.
6528 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
6529 (alpha_set_memflags): Likewise.
6530 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
6532 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
6534 * rtl.h (true_dependence, canon_true_dependence): Remove varies
6536 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
6537 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
6538 (true_dependence_1, true_dependence, canon_true_dependence): Remove
6540 * cselib.c (cselib_rtx_varies_p): Delete.
6541 (cselib_invalidate_mem): Update call to canon_true_dependence.
6542 * dse.c (record_store, check_mem_read_rtx): Likewise.
6543 (scan_reads_nospill): Likewise.
6544 * cse.c (check_dependence): Likewise.
6545 (cse_rtx_varies_p): Delete.
6546 * expr.c (safe_from_p): Update call to true_dependence.
6547 * ira.c (validate_equiv_mem_from_store): Likewise.
6548 (memref_referenced_p): Likewise.
6549 * postreload-gcse.c (find_mem_conflicts): Likewise.
6550 * sched-deps.c (sched_analyze_2): Likewise.
6551 * store-motion.c (load_kills_store): Likewise.
6552 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
6553 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6554 (compute_transp): Update call to canon_true_dependence.
6556 2012-01-25 Richard Henderson <rth@redhat.com>
6558 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
6559 (maybe_emit_atomic_test_and_set): New.
6560 (expand_sync_lock_test_and_set): Use it.
6561 (expand_atomic_test_and_set): Likewise.
6562 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
6563 the implementation; clarify implementation defined details.
6564 * doc/md.texi (atomic_test_and_set): Document.
6566 2012-01-25 Richard Henderson <rth@redhat.com>
6568 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
6570 2012-01-25 Richard Henderson <rth@redhat.com>
6573 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
6574 to effect no-op split.
6576 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
6579 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
6580 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
6581 (BT_FN_VOID_PTR_INT_SIZE): New.
6582 (BT_FN_UINT_UINT_VAR): Remove.
6583 (BT_FN_UINT32_UINT32_VAR): New.
6584 (BT_FN_DOUBLE_VPTR): Remove.
6585 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
6587 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
6588 (_ITM_changeTransactionMode): Same.
6589 (_ITM_memmoveRtWt): Change return type to void.
6590 (_ITM_memcpyRtWt): Same.
6591 (_ITM_memsetW): Same.
6592 (_ITM_RaRD): Change types to double.
6597 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
6599 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
6600 Patrick Marlier <patrick.marlier@gmail.com>
6602 * trans-mem.c (requires_barrier): Do not instrument thread local
6603 variables and emit save/restore for them.
6605 2012-01-24 Jason Merrill <jason@redhat.com>
6608 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
6609 output static aliases.
6611 2012-01-24 Jakub Jelinek <jakub@redhat.com>
6614 * common.opt (-pie, -shared, pie, shared): Change from Common to
6616 * gcc.c (display_help): Display help for -pie and -shared.
6618 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
6621 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
6622 Remove note on size/offset limitation.
6623 (AVR Variable Attributes): Add example how to read data located
6624 with progmem. Refer to named address spaces.
6625 * doc/invoke.texi (AVR Options): Fix typo.
6627 2012-01-24 Richard Guenther <rguenther@suse.de>
6629 Forward-port to trunk
6630 2010-09-21 Jakub Jelinek <jakub@redhat.com>
6633 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
6634 op0 isn't sufficiently aligned and there is movmisalignM
6635 insn for mode, use it to load op0 into a temporary register.
6637 2012-01-24 Jakub Jelinek <jakub@redhat.com>
6640 * target.def (const_not_ok_for_debug_p): New hook.
6641 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
6643 * doc/tm.texi: Regenerated.
6644 * dwarf2out.c (const_ok_for_output_1): If
6645 targetm.const_not_ok_for_debug_p returns true, fail.
6646 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
6648 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
6650 2012-01-23 Kai Tietz <ktietz@redhat.com>
6653 * config/i386/predicates.md (symbolic_operand): Allow
6654 UNSPEC_PCREL as PIC expression for lea.
6655 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
6656 * config/i386/i386.c (ix86_delegitimize_address): Handle
6657 UNSPEC_PCREL for none-MEM, too.
6659 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
6661 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
6662 (ipa_tm_create_version_alias): Same.
6664 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
6667 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
6668 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
6670 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
6671 Patrick Marlier <patrick.marlier@gmail.com>
6672 Iain Sandoe <developer@sandoe-acoustics.co.uk>
6675 * lto-wrapper.c (run_gcc): Pass the LTO section name to
6676 simple_object_start_read.
6678 2012-01-23 Richard Guenther <rguenther@suse.de>
6681 PR tree-optimization/51895
6682 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
6683 parameter decomposition into BLKmode components.
6685 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
6687 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
6688 fake variables for restrict-qualified pointers whose pointed-to type
6689 contains a placeholder.
6691 2012-01-23 Richard Guenther <rguenther@suse.de>
6693 PR tree-optimization/51949
6694 * ipa-split.c (execute_split_functions): Do not split malloc functions.
6696 2012-01-23 Jakub Jelinek <jakub@redhat.com>
6698 PR rtl-optimization/51933
6699 * ree.c (transform_ifelse): Return true right away if dstreg is
6700 already wider or equal to cand->mode.
6701 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
6702 (make_defs_and_copies_lists): Remove defs_list and copies_list
6703 arguments, add state argument, just truncate state->work_list
6704 instead of always allocating and freeing the vector. Assert that
6705 get_defs succeeds instead of returning 2. Changed return type to bool.
6706 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
6707 have ext_src_mode, see if it has been modified already with the
6708 right kind of extension and has been extended before from the
6709 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
6710 just return true. Remember the original mode in state->modified array.
6711 (combine_reaching_defs): Add state argument. Don't allocate and
6712 free here def_list, copied_list and vec vectors, instead just
6713 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
6714 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
6715 Add state variable, clear vectors in it, initialize state.modified
6716 if needed. Free all the vectors at the end and state.modified too.
6717 Don't skip a candidate if the extension expression has been modified.
6719 2012-01-22 Douglas B Rupp <rupp@gnat.com>
6722 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
6723 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
6724 (extra_options) interix.opt -> i386/interix.opt"
6725 (extra_objs):Add winnt-stubs.o
6726 * configure.ac: Add interix to target_os .comm on PE check.
6727 * configure: Regenerate.
6728 * config/interix3.h: Delete and move bits to..
6729 * config/interix.h: Delete and move bits to..
6730 * config/i386/i386-interix3.h: Delete and move bits to..
6731 * config/i386/i386-interix.h: ..here.
6732 (TARGET_CPU_DEFAULT): Remove redefinition.
6733 (TARGET_ASM_CONSTRUCTOR): Undefine.
6734 (SUBTARGET_SWITCHES): Define for ms-bitfields.
6735 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
6736 (PTRDIFF_TYPE): Define.
6737 (LONG_DOUBLE_TYPE_SIZE): Define.
6738 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
6739 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6740 (TARGET_SECTION_TYPE_FLAGS): Define.
6741 (ASM_DECLARE_FUNCTION_NAME): Define.
6742 (ASM_OUTPUT_EXTERNAL): Define.
6743 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
6744 (ASM_OUTPUT_ALIGNED_BSS): Define.
6745 (PCC_BITFIELD_TYPE_MATTERS): Define.
6746 (USE_CONST_SECTION): Define.
6747 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
6748 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
6749 (SUPPORTS_ONE_ONLY): Remove.
6750 (I386_PE_STRIP_ENCODING): Define.
6751 * config/interix.opt: Delete and move bits to..
6752 * config/i386/interix.opt: ..here. New.
6753 (mpe-aligned-commons): Add.
6754 * config/i386/t-interix: Add copyright header.
6755 (winnt-stubs.o): Add rule.
6757 2012-01-22 Jason Merrill <jason@redhat.com>
6760 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
6761 for extra name aliases.
6763 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
6765 PR rtl-optimization/51924
6766 * ree.c (combine_set_extension): Improve debugging message.
6767 (combine_reaching_defs): Likewise.
6768 (get_defs): Rename confusingly named variable.
6769 (find_and_remove_re): Skip a candidate if the extension expression has
6772 2012-01-21 Robert Millan <rmh@gnu.org>
6773 Gerald Pfeifer <gerald@pfeifer.com>
6775 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
6776 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
6778 2012-01-20 Jakub Jelinek <jakub@redhat.com>
6780 PR tree-optimization/51914
6781 * tree-vect-stmts.c (vectorizable_conversion): For
6782 cvt_type && modifier == WIDEN, put temporary with cvt_type
6783 at the beginning of vec_dsts and set vec_dest to temporary
6786 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
6788 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
6790 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
6792 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
6793 * config/rs6000/rs6000.c: Likewise.
6795 2012-01-20 Jakub Jelinek <jakub@redhat.com>
6798 * config/arm/arm.c (arm_count_output_move_double_insns): Call
6799 output_move_double on a copy of operands array.
6801 2012-01-20 Cary Coutant <ccoutant@google.com>
6802 Dodji Seketeli <dodji@redhat.com>
6805 * dwarf2out.c (copy_declaration_context): Return ref to parent
6806 of declaration DIE, if necessary.
6807 (remove_child_or_replace_with_skeleton): Add new parameter; update
6808 caller. Place skeleton DIE under parent DIE of original declaration.
6809 Move call to copy_declaration_context to here ...
6810 (break_out_comdat_types): ... from here.
6812 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6814 PR rtl-optimization/51856
6815 * reload.c (find_reloads_subreg_address): Set the address_reloaded
6818 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6821 * config/arm/arm.c (arm_print_operand): Correct output of alignment
6822 hints for neon loads and stores.
6824 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
6828 * doc/extend.texi (Named Address Spaces): Split into subsections.
6829 (AVR Named Address Spaces): New subsection.
6830 (M32C Named Address Spaces): New subsection.
6831 (RL78 Named Address Spaces): New subsection.
6832 (SPU Named Address Spaces): New subsection.
6833 (Variable Attributes): New anchor "AVR Variable Attributes".
6834 (AVR Variable Attributes): Rewrite and avoid wording
6835 "address space" in this context.
6836 * doc/invoke.texi (AVR Options): Rewrite and add documentation
6837 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
6838 (AVR Built-in Macros): New subsubsection therein.
6839 * doc/md.texi (AVR constraints): Remove "C04", "R".
6841 2012-01-20 Richard Guenther <rguenther@suse.de>
6843 PR tree-optimization/51903
6844 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
6845 when removing stmts.
6847 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6850 * config/arm/arm.c (arm_load_pic_register): Use
6851 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
6852 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
6853 (arm_pic_static_addr): Likewise.
6854 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
6855 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
6856 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
6857 (pic_load_addr_unified): New.
6859 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
6862 * function.c (instantiate_virtual_regs_in_insn): Use
6863 delete_insn_and_edges when removing a wrong asm insn.
6865 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
6867 PR rtl-optimization/40761
6868 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
6869 Add new member loop_num.
6870 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
6871 (ira_build): Remove the parameter.
6873 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
6874 (ira.c): Do not build CFG loops for one region allocation. Remove
6875 argument from ira_build call.
6877 * ira-build.c (init_loop_tree_node): New function.
6878 (create_loop_tree_nodes): Use it. Separate the case when CFG
6879 loops are not built.
6880 (more_one_region_p): Check current_loops.
6881 (finish_loop_tree_nodes): Separate the case when CFG loops are not
6883 (add_loop_to_tree): Process loop equal to NULL too.
6884 (form_loop_tree): Separate the case when CFG loops are not built.
6885 Use explicitly number for the root.
6886 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
6888 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
6889 instead of loop->num.
6890 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
6891 (mark_all_loops_for_removal): Ditto.
6892 (remove_unnecessary_regions): Separate the case when CFG loops
6894 (ira_build): Remove the parameter. Use explicit number of regions
6895 when CFG loops are not built.
6897 * ira-color.c (print_loop_title): Separate the case for the root node.
6898 Use loop_num instead of loop->num.
6899 (move_spill_restore): Use loop_num instead of loop->num.
6901 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
6902 (change_loop): Ditto.
6903 (change_loop): Use loop_num instead of loop->num.
6905 * ira-lives.c (process_bb_node_lives): Ditto.
6907 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
6909 * ira-conflicts.c (print_allocno_conflicts): Ditto.
6911 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6914 * tree-mudflap.c (mf_artificial): New function.
6915 (execute_mudflap_function_ops, execute_mudflap_function_decls,
6916 mx_register_decls, mudflap_enqueue_decl): Use it.
6919 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
6920 numbers in the insn pattern.
6922 2012-01-19 Michael Matz <matz@suse.de>
6924 PR tree-optimization/46590
6925 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
6926 use it in remembering which conflicts we already created.
6927 (add_scope_conflicts): Adjust call to above, (de)allocate helper
6930 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
6933 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
6934 (merge_and_complain): Same.
6936 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6939 * config/initfini-array.h: Guard content of the header
6940 with #ifdef HAVE_INITFINI_ARRAY.
6941 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
6942 Add initfini-array.h to tm_file here.
6943 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
6944 * config.gcc: Don't add initfini-array.h to tm_file here.
6945 * configure: Regenerated.
6947 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
6949 PR rtl-optimization/51505
6950 * df-problems.c (df_kill_notes): New parameter live. Update comment.
6951 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
6952 (df_note_bb_compute): Update the call to df_kill_notes.
6954 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
6956 * trans-mem.c (requires_barrier): Remove call to is_global_var.
6958 2012-01-18 Richard Guenther <rguenther@suse.de>
6960 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
6961 of conversions to void *.
6963 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6964 Richard Sandiford <rdsandiford@googlemail.com>
6968 * optabs.h (simplify_expand_binop): Declare.
6969 * optabs.c (simplify_expand_binop): Make global.
6970 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
6971 endian targets if the source cannot be exactly covered by word
6974 2012-01-17 Jakub Jelinek <jakub@redhat.com>
6977 * hard-reg-set.h (struct hard_reg_set_container): New type.
6978 * target.h (struct hard_reg_set_container): Forward declare.
6979 * target.def (set_up_by_prologue): New target hook.
6980 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
6981 * doc/tm.texi: Regenerated.
6982 * function.c (thread_prologue_and_epilogue_insns): Change
6983 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
6984 Call targetm.set_up_by_prologue on it.
6985 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
6986 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
6988 2012-01-17 Nick Clifton <nickc@redhat.com>
6990 * config/rx/rx.c (rx_can_use_simple_return): New function.
6991 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
6992 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
6994 2012-01-17 Richard Guenther <rguenther@suse.de>
6997 * expr.c (expand_assignment): Take address-space information
6998 from the address operand of MEM_REF and TARGET_MEM_REF.
6999 (expand_expr_real_1): Likewise.
7001 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7003 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
7004 reload dump is requested.
7006 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
7009 * trans-mem.c (requires_barrier): Call may_be_aliased.
7011 2012-01-17 Jakub Jelinek <jakub@redhat.com>
7013 PR tree-optimization/51877
7014 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
7015 call arguments and fndecls compare equal, instead return false if they
7016 don't. Return true only if lhs1 and lhs2 are either both NULL, or
7017 both SSA_NAMEs that are valueized the same, or they satisfy
7020 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7022 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
7024 * configure: Regenerate.
7026 2012-01-16 Jan Hubicka <jh@suse.cz>
7030 * convert.c (convert_to_integer): Use fold_convert for
7031 converting an INTEGER_CST to integer type.
7033 2012-01-16 Jason Merrill <jason@redhat.com>
7036 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
7038 2012-01-16 Jakub Jelinek <jakub@redhat.com>
7041 * config/s390/s390.c (s390_chunkify_start): Don't skip
7042 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
7043 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
7044 If insn is followed by NOTE_INSN_VAR_LOCATION or
7045 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
7046 Don't use location of note insns.
7048 PR tree-optimization/51865
7049 * tree-inline.c (tree_function_versioning): Call remap_decl
7050 on DECL_RESULT whenever it has VOID_TYPE_P type.
7052 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
7054 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
7055 for calls to locally-binding MIPS16 functions if only the return
7056 type uses float regs.
7058 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
7059 Richard Sandiford <rdsandiford@googlemail.com>
7061 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
7062 (SYMBOL_32_HIGH): Likewise.
7063 (mips_output_tls_reloc_directive): Declare.
7064 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
7065 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
7066 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
7067 (mips_lo_relocs, mips_hi_relocs): Make extern.
7068 (mips16_stub_function): Move up file.
7069 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
7070 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
7071 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
7072 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
7073 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
7074 (mips_get_tp): Add MIPS16 support.
7075 (mips_legitimize_tls_address): Remove MIPS16 sorry().
7076 Generalize DTPREL and TPREL handling.
7077 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
7078 Add MIPS16 TLS support.
7079 (mips_output_tls_reloc_directive): New function.
7080 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
7081 * config/mips/predicates.md (symbolic_operand_with_high)
7082 (tls_reloc_operand): New predicates.
7083 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
7084 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
7085 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
7086 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
7087 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
7088 (*tls_get_tp_mips16_call_<mode>): Likewise.
7090 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
7092 PR rtl-optimization/51821
7093 * recog.c (peep2_find_free_register): Determine clobbered registers
7096 2012-01-14 Denis Chertykov <chertykov@gmail.com>
7099 * config/avr/avr-protos.h: Revert change of 2012-01-09.
7100 * config/avr/avr.c: Likewise.
7101 * config/avr/avr.h: Likewise.
7103 2012-01-13 Ian Lance Taylor <iant@google.com>
7106 * tree.h (TYPE_QUALS): Add cast to int.
7107 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
7109 2012-01-13 Ian Lance Taylor <iant@google.com>
7111 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
7112 comparing param_index to VEC_length result.
7114 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
7116 * c-decl.c: Do not include tree-mudflap.h
7117 * tree-optimize.c: Likewise.
7118 * Makefile.in: Update dependencies.
7120 2012-01-13 Richard Guenther <rguenther@suse.de>
7123 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
7124 variable-sized result always use RSO.
7126 2012-01-12 DJ Delorie <dj@redhat.com>
7128 * cfgexpand.c (convert_debug_memory_address): Allow any valid
7129 pointer type, not just the default pointer type.
7131 2012-01-09 Richard Henderson <rth@redhat.com>
7132 Denis Chertykov <chertykov@gmail.com>
7135 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
7136 * config/avr/avr.c (avr_can_eliminate): Simplify.
7137 (avr_initial_elimination_offset): Likewise.
7138 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
7139 (expand_epilogue): Likewise.
7140 (avr_legitimize_address): Gut.
7141 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
7142 (avr_hard_regno_nregs): New.
7143 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
7144 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
7145 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
7146 add soft frame pointer.
7147 (CALL_USED_REGISTERS): Likewise.
7148 (REG_CLASS_CONTENTS): Likewise.
7149 (REGISTER_NAMES): Likewise.
7150 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
7151 (HARD_FRAME_POINTER_REGNUM): New.
7152 (FRAME_POINTER_REGNUM): Use soft frame pointer.
7153 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
7154 remove the HARD_FRAME_POINTER self-elimination.
7156 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
7159 * config/avr/avr.c (avr_encode_section_info): Test for absence of
7160 DECL_EXTERNAL when checking for initializers of progmem variables.
7162 2012-01-12 Ira Rosen <irar@il.ibm.com>
7164 PR tree-optimization/51799
7165 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
7166 that the last operation is a type demotion.
7168 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
7170 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
7171 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
7173 2012-01-11 Jakub Jelinek <jakub@redhat.com>
7176 * combine.c (distribute_notes): If i3 is a noreturn call,
7177 allow old_size to be equal to args_size and make sure the
7178 noreturn call gets REG_ARGS_SIZE note.
7179 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
7180 on noreturn calls even when the delta is 0.
7182 2012-01-11 Nathan Sidwell <nathan@acm.org>
7184 * gcov.c (STRING_SIZE): Remove.
7185 (generate_results): Erase annotations for source files with no
7186 coverage information.
7188 (output_lines): Use it.
7190 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
7192 * gimple.h (gimplify_body): Remove first argument.
7193 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
7194 pointer set here, instead just pass DATA to walk_tree.
7195 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
7196 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
7197 (unvisit_body): Likewise, but with unmark_visited.
7198 (gimplify_body): Remove BODY_P argument and adjust.
7199 (gimplify_function_tree): Adjust call to gimplify_body.
7200 * omp-low.c (finalize_task_copyfn): Likewise.
7202 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
7204 * tree.h (build_function_decl_skip_args): Add boolean parameter.
7205 (build_function_type_skip_args): Delete.
7206 * tree.c (build_function_type_skip_args): Make static and add
7207 SKIP_RETURN parameter. Fix thinko in the handling of variants.
7208 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
7209 pass it to build_function_type_skip_args.
7210 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
7211 (tree_function_versioning): Likewise.
7212 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
7213 build_function_decl_skip_args.
7214 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
7215 and pass it to build_function_decl_skip_args/tree_function_versioning.
7216 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
7217 * ipa-inline-transform.c (save_inline_function_body): Likewise.
7218 * trans-mem.c (ipa_tm_create_version): Likewise.
7219 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
7220 * tree-inline.c (declare_return_variable): Remove always-true test.
7221 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
7222 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
7223 * ipa-split.c (split_function): Skip the return value for the split
7224 part if it doesn't return.
7226 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7228 PR tree-optimization/49642
7229 * ipa-split.c (forbidden_dominators): New variable.
7230 (check_forbidden_calls): New function.
7231 (dominated_by_forbidden): Likewise.
7232 (consider_split): Check for forbidden dominators.
7233 (execute_split_functions): Initialize and free forbidden
7234 dominators info; call check_forbidden_calls.
7236 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
7238 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
7240 2012-01-11 Nick Clifton <nickc@redhat.com>
7242 * config/rx/rx.md (return): Define pattern.
7244 2012-01-11 Richard Guenther <rguenther@suse.de>
7246 * doc/extend.texi (malloc attribute): Adjust according to
7249 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
7250 Patrick Marlier <patrick.marlier@gmail.com>
7253 * trans-mem.c (get_cg_data): Traverse aliases if requested.
7254 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
7255 (ipa_tm_note_irrevocable): Same.
7256 (ipa_tm_scan_irr_block): Same.
7257 (ipa_tm_decrement_clone_counts): Same.
7258 (ipa_tm_scan_irr_function): Same.
7259 (ipa_tm_create_version_alias): Same.
7260 (ipa_tm_create_version): Same.
7261 (ipa_tm_transform_calls_redirect): Same.
7262 (ipa_tm_transform_calls): Same.
7263 (ipa_tm_transform_transaction): Same.
7264 (ipa_tm_execute): Same.
7266 2012-01-10 Richard Guenther <rguenther@suse.de>
7269 * opts.c (common_handle_option): Handle -Werror.
7271 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
7273 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
7276 2012-01-10 Jason Merrill <jason@redhat.com>
7278 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
7281 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7283 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
7284 supports R_386_TLS_GD_PLT reloc.
7285 (gcc_cv_as_ix86_tlsldmplt): Check if linker
7286 supports R_386_TLS_LDM_PLT reloc.
7287 * configure: Regenerate.
7288 * config.in: Regenerate.
7290 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
7293 Extend __pgmx semantics to linearize memory.
7294 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
7295 determine if code comes inline or from libgcc.
7296 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
7297 (movmem_qi, movmem_qi): Set constraint #2 to "n".
7298 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
7299 (movmemx_qi, movmemx_hi): New insns.
7300 (xload_<mode>_libgcc): Rewrite to new insn condition.
7301 (xload_<mode>): Remove insns.
7302 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
7303 cases that don't satisfy avr_xload_libgcc_p().
7304 (avr_addr_space_convert): Allow converting in any direction.
7305 (avr_addr_space_subset_p): Return always true.
7306 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
7307 (avr_emit_movmemhi): Ditto.
7308 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
7309 (avr_out_movmem): Ditto.
7310 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
7311 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
7312 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
7313 (avr_encode_section_info): Encode 'progmem' in symbol flags.
7314 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
7316 2012-01-10 Richard Guenther <rguenther@suse.de>
7318 PR tree-optimization/50913
7319 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
7320 Require data-refs to be representable by Graphite with respect
7323 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
7325 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
7326 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
7328 2012-01-10 Tom de Vries <tom@codesourcery.com>
7330 PR rtl-optimization/51271
7331 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
7332 handling annulled branch.
7334 2012-01-10 Richard Henderson <rth@redhat.com>
7336 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
7337 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
7338 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
7339 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
7340 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
7341 arm_expand_vec_perm_const): New.
7342 * config/arm/arm-protos.h: Update.
7343 * config/arm/neon.md (UNSPEC_VCONCAT): New.
7344 (*neon_vswp<VDQX>): New.
7345 (neon_vcombine<VDX>): Use neon_split_vcombine.
7346 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
7347 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
7348 (vec_perm<VE>): New.
7350 2012-01-10 Richard Henderson <rth@redhat.com>
7352 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
7353 use it if reload_completed.
7354 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
7355 arm_output_asm_insn, arm_process_output_memory_barrier,
7356 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
7357 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
7358 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
7359 arm_process_output_sync_insn, arm_output_sync_insn,
7360 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
7361 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
7362 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
7363 (emit_unlikely_jump): New.
7364 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
7365 (arm_split_atomic_op): New.
7366 * config/arm/arm-protos.h: Update.
7367 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
7368 (struct arm_sync_generator): Remove.
7369 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
7370 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
7371 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
7372 (VUNSPEC_LL, VUNSPEC_SC): New.
7373 (sync_result, sync_memory, sync_required_value, sync_new_value,
7374 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
7375 (attr length): Don't use arm_sync_loop_insns.
7376 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
7377 (movsfcc, movdfcc): Likewise.
7378 * config/arm/constraints.md (Ua): New.
7379 * config/arm/prediates.md (mem_noofs_operand): New.
7380 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
7381 (sync_clobber, sync_t2_reqd): Remove.
7382 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
7383 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
7384 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
7385 (arm_sync_compare_and_swap<SIDI>): Remove.
7386 (arm_sync_compare_and_swap<NARROW>): Remove.
7387 (arm_sync_lock_test_and_set<SIDI>): Remove.
7388 (arm_sync_lock_test_and_set<NARROW>): Remove.
7389 (arm_sync_new_<syncop><SIDI>): Remove.
7390 (arm_sync_new_<syncop><NARROW>): Remove.
7391 (arm_sync_new_nand<SIDI>): Remove.
7392 (arm_sync_new_nand<NARROW>): Remove.
7393 (arm_sync_old_<syncop><SIDI>): Remove.
7394 (arm_sync_old_<syncop><NARROW>): Remove.
7395 (arm_sync_old_nand<SIDI>): Remove.
7396 (arm_sync_old_nand<NARROW>): Remove.
7397 (*memory_barrier): Merge arm_output_memory_barrier.
7398 (atomic_compare_and_swap<QHSD>): New.
7399 (atomic_compare_and_swap<NARROW>_1): New.
7400 (atomic_compare_and_swap<SIDI>_1): New.
7401 (atomic_exchange<QHSD>): New.
7402 (cas_cmp_operand, cas_cmp_str): New.
7403 (atomic_op_operand, atomic_op_str): New.
7404 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
7405 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
7406 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
7407 (arm_load_exclusive<NARROW>): New.
7408 (arm_load_exclusivesi, arm_load_exclusivedi): New.
7409 (arm_store_exclusive<QHSD>): New.
7411 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
7413 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
7414 reload patterns if -mvsx-scalar-memory.
7416 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
7417 generated, even -mno-vsx-scalar-double was used.
7418 (vsx_xscvdpsp_scalar): Likewise.
7419 (vsx_xscvspdp_scalar2): Likewise.
7421 2012-01-09 Tom de Vries <tom@codesourcery.com>
7422 Andrew Pinski <apinski@cavium.com>
7425 * reorg.c (fill_slots_from_thread): Don't speculate
7426 frame-related insns.
7428 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
7430 * sched-int.h (bb_note): Move to...
7431 * basic-block.h: ...here.
7432 * haifa-sched.c (bb_note): Move to...
7433 * cfgrtl.c: ...here.
7434 * function.c (next_block_for_reg): New function.
7435 (move_insn_for_shrink_wrap): Likewise.
7436 (prepare_shrink_wrap): Rewrite to use the above.
7438 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
7440 * gimple.c (is_gimple_non_addressable): Remove.
7441 * gimple.h: Remove is_gimple_non_addressable.
7442 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
7443 is_gimple_non_addressable.
7444 * trans-mem.c (expand_assign_tm): Same.
7446 2012-01-09 Richard Guenther <rguenther@suse.de>
7448 PR tree-optimization/51775
7449 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
7450 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
7452 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
7454 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
7456 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
7458 2012-01-09 Richard Guenther <rguenther@suse.de>
7460 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
7462 2012-01-08 Jan Hubicka <jh@suse.cz>
7464 PR tree-optimize/51680
7465 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
7466 on when known_vals needs to be computed; cleanup.
7468 2012-01-08 Jan Hubicka <jh@suse.cz>
7470 PR tree-optimize/51694
7471 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
7473 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
7475 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
7476 for -std=c++98 and -std=c++11 too.
7478 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
7480 * cfgloop.c (cancel_loop): Add free() of bbs array.
7482 2012-01-07 Jan Hubicka <jh@suse.cz>
7484 PR tree-optimization/51600
7485 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
7486 that benefits small functions.
7488 2012-01-07 Jan Hubicka <jh@suse.cz>
7490 * ipa-inline.c (want_inline_small_function_p): Fix formating.
7492 2012-01-07 Jan Hubicka <jh@suse.cz>
7494 PR tree-optimization/51680
7495 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
7496 whose inlining reduce unit size.
7498 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
7501 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
7502 Add canonical node to containing_mem chain after the non-canonical
7503 one, even if there weren't any locs to propagate.
7504 (remove_useless_values): Keep only canonical values.
7505 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
7506 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
7507 canonicalize mem_chain elements that are not discarded.
7509 2012-01-06 Jakub Jelinek <jakub@redhat.com>
7512 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
7513 before emitting functions.
7515 PR gcov-profile/50127
7516 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
7517 clear_aux_for_blocks.
7519 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
7522 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
7524 2012-01-06 Arnaud Charlet <charlet@adacore.com>
7526 * c-decl.c (ext_block): Moved up.
7527 (collect_all_refs, for_each_global_decl): Take ext_block into account.
7529 2012-01-06 Han Shen <shenhan@google.com>
7531 Translate built-in include paths for sysroot.
7532 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
7533 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
7535 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
7536 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
7538 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
7539 control whether sysroot should be prepended to gxx include dir.
7541 * configure: Regenerate.
7543 2012-01-06 Torvald Riegel <triegel@redhat.com>
7545 PR rtl-optimization/51771
7546 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
7547 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
7549 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
7551 PR tree-optimization/51315
7552 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
7553 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
7555 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
7558 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
7559 for shrp pattern. Correctly handle and fixup shift variable.
7560 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
7562 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7565 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
7566 note when !ACCUMULATE_OUTGOING_ARGS.
7568 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
7570 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
7572 (extract_range_from_unary_expr_1): Avoid useless computations.
7574 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7576 PR rtl-optimization/51767
7577 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
7578 of jump_block and add an extra edge for degenerated asm gotos.
7581 * stmt.c (check_unique_operand_names): Don't ICE during error
7582 reporting if i is from labels chain.
7585 * profile.c (branch_prob): Split bbs that have exit edge
7586 and need a fake entry edge too.
7588 2012-01-05 Jan Hubicka <jh@suse.cz>
7591 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
7594 2012-01-05 Richard Guenther <rguenther@suse.de>
7597 * tree-streamer-out.c (write_ts_optimization): New function.
7598 (streamer_write_tree_body): Call it.
7599 * tree-streamer-in.c (lto_input_ts_optimization): New function.
7600 (streamer_read_tree_body): Call it.
7601 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
7603 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7606 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
7607 * gimplify.c (gimplify_cleanup_point_expr): Save and set
7608 in_cleanup_point_expr before gimplify_stmt call and restore it
7610 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
7611 in_cleanup_point_expr is false.
7613 2012-01-05 Richard Guenther <rguenther@suse.de>
7616 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
7618 * toplev.c (process_options): Reject combining mudflap and LTO.
7619 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
7621 2012-01-05 Richard Guenther <rguenther@suse.de>
7623 PR tree-optimization/51760
7624 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
7626 (bit_value_unop): Handle UNDEFINED operands.
7627 (bit_value_binop): Likewise.
7629 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
7631 * config/avr/avr.c (avr_replace_prefix): Remove.
7632 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
7633 (avr_asm_function_rodata_section): Ditto.
7634 (avr_asm_select_section): Ditto.
7636 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
7638 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
7641 2012-01-05 Jakub Jelinek <jakub@redhat.com>
7644 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
7645 calls that have any non-fake successor edges.
7648 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
7650 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
7652 PR tree-optimization/51624
7653 * tree-sra.c (build_ref_for_model): When replicating a chain of
7654 COMPONENT_REFs, stop as soon as the offset would become negative.
7656 2012-01-04 Jakub Jelinek <jakub@redhat.com>
7659 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
7660 in .debug_loc on the floor.
7662 2012-01-04 Andrew Pinski <apinski@cavium.com>
7664 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
7666 2012-01-04 Andrew Pinski <apinski@cavium.com>
7667 Adam Nemet <anemet@caviumnetworks.com>
7669 * config/mips/mips.md (size): Add SI and DI.
7670 (SIZE): New mode attribute.
7671 (U): New code attribute.
7672 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
7673 (mips_lbux_<mode>): Delete.
7674 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
7675 (mips_lhx): Use gen_mips_lhx_extsi.
7676 (mips_lhx_<mode>): Delete.
7678 (mips_l<size>x): New expand.
7679 (mips_lwx_<mode>): Delete.
7680 (mips_l<GPR:size>x_<P:mode>): New pattern.
7681 (*mips_lw<u>x_<P:mode>_ext): Likewise.
7682 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
7683 * config/mips/mips.c (mips_lx_address_p): New function.
7684 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
7685 (dsp64): New availability predicate.
7686 (mips_builtins): Add an entry for __builtin_mips_ldx.
7687 * config/mips/mips.h (ISA_HAS_LBX): New define.
7688 (ISA_HAS_LBUX): Likewise.
7689 (ISA_HAS_LHX): Likewise.
7690 (ISA_HAS_LHUX): Likewise.
7691 (ISA_HAS_LWX): Likewise.
7692 (ISA_HAS_LWUX): Likewise.
7693 (ISA_HAS_LDX): Likewise.
7694 * doc/extend.texi (__builtin_mips_ldx): Document.
7696 2012-01-04 Tristan Gingold <gingold@adacore.com>
7698 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
7699 when long pointers are used.
7700 * config.build (*-*-*vms*): Handle all OpenVMS targets.
7701 (alpha64-dec-*vms*, alpha*-dec-*vms*)
7702 (ia64-hp-*vms*): Remove.
7703 * config/vms/xm-vms64.h: Delete.
7705 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7708 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
7710 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7712 * opts.c (finish_options): Remove duplicate sorry.
7714 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
7717 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
7720 2012-01-04 Richard Guenther <rguenther@suse.de>
7723 * tree.c (size_low_cst): New function.
7724 * tree.h (size_low_cst): Declare.
7725 * fold-const.c (fold_comparison): Use it to extract the low
7726 part of the POINTER_PLUS_EXPR offset.
7728 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
7730 Fix clearing ZERO_REG
7731 * config/avr/avr.md (cc): Add alternative "ldi".
7732 (movqi_insn): Use it in cc attribute.
7733 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
7734 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
7735 (output_reload_insisf): Use ZERO_REG to pre-clear register.
7737 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7739 * configure: Regenerate.
7741 2012-01-04 Richard Guenther <rguenther@suse.de>
7743 PR tree-optimization/49651
7744 * tree-ssa-structalias.c (type_can_have_subvars): New function.
7745 (var_can_have_subvars): Use it.
7746 (get_constraint_for_1): Only consider subfields if there can be any.
7748 2012-01-03 Jakub Jelinek <jakub@redhat.com>
7751 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
7752 to its new canonical_cselib_val and the cselib_val was in
7753 first_containing_mem chain, but the canonical_cselib_val was not,
7754 add the latter into the chain.
7755 (cselib_invalidate_mem): Compare canonical_cselib_val of
7756 addr_list chain elt with v.
7759 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
7760 dwarf2out_undef): Allocate e.info using ggc_strdup instead
7762 (output_macinfo_op): Don't ggc_strdup fd->filename.
7763 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
7764 then ggc_strdup it. Don't free inc->info or cur->info.
7765 (output_macinfo): Don't free ref->info or file->info.
7767 2012-01-03 Ira Rosen <irar@il.ibm.com>
7769 PR tree-optimization/51269
7770 * tree-vect-loop-manip.c (set_prologue_iterations): Make
7771 first_niters a pointer.
7772 (slpeel_tree_peel_loop_to_edge): Likewise.
7773 (vect_do_peeling_for_loop_bound): Update call to
7774 slpeel_tree_peel_loop_to_edge.
7775 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
7776 here. Remove it from the parameters list.
7777 (vect_do_peeling_for_alignment): Update calls and compute
7780 2012-01-03 Richard Guenther <rguenther@suse.de>
7782 PR tree-optimization/51070
7783 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
7784 Properly handle calls.
7786 2012-01-03 Richard Guenther <rguenther@suse.de>
7788 PR tree-optimization/51692
7789 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
7790 the LHS of allocation stmts.
7792 2012-01-03 Olivier Hainque <hainque@adacore.com>
7794 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
7796 2012-01-03 Olivier Hainque <hainque@adacore.com>
7798 * collect2.c (main): In AIX specific computations for vector
7799 insertions, use CONST_CAST2 to cast from char ** to const char **.
7801 2012-01-03 Richard Guenther <rguenther@suse.de>
7804 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
7805 the context of a limbo DIE when it does not already exist.
7807 2012-01-03 Jakub Jelinek <jakub@redhat.com>
7809 PR tree-optimization/51719
7810 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
7811 but direct call is, clear direct call's lhs and don't add fallthrough
7812 edge from dcall_bb to join_bb and PHIs.
7814 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7816 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
7817 the instructions emitted by the pattern.
7818 ("*TDC_insn_<mode>"): Add comment.
7820 2012-01-03 Richard Guenther <rguenther@suse.de>
7823 * fold-const.c (fold_comparison): Properly canonicalize
7824 tree offset and HOST_WIDE_INT bit position.
7826 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
7828 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
7829 operands for extzv pattern.
7831 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7834 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
7837 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
7839 * doc/invoke.texi (-flto and related options): Copy-edit.
7841 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7843 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
7845 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7847 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
7850 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7852 * expr.h (move_by_pieces_ninsns): Declare.
7853 * expr.c (move_by_pieces_ninsns): Make external.
7854 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
7855 (mips_store_by_pieces_p): Likewise.
7856 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
7857 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
7858 * config/mips/mips.c (mips_move_by_pieces_p): New function.
7859 (mips_store_by_pieces_p): Likewise.
7861 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7863 * passes.c (register_one_dump_file): Free full_name.
7865 * reload1.c (reload): Don't allocate reg_max_ref_width here.
7866 (calculate_elim_costs_all_insns): Free offsets_at and
7867 offsets_known_at at the end and clear the pointers.
7869 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7871 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
7872 this option introduced in r180739.
7874 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7877 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
7878 (tmake_file target=avr): Add avr/t-multilib.
7880 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
7881 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
7882 * config/avr/genmultilib.awk: New file.
7883 * config/avr/t-multilib: New auto-generated file.
7884 * config/avr/multilib.h: New auto-generated file.
7885 * config/avr/t-avr (AVR_MCUS): New variable.
7886 (genopt.sh): Use it.
7887 (s-mlib): Depend on t-multilib.
7888 (t-multilib, multilib.h): New dependencies.
7889 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
7890 (MULTILIB_OPTIONS): Remove.
7891 (MULTILIB_MATCHES): Remove.
7892 (MULTILIB_DIRNAMES): Remove.
7893 (MULTILIB_EXCEPTIONS): Remove:
7894 * config/avr/genopt.sh: Don't use hard coded file name;
7895 pass AVR_MCUS from t-avr instead.
7897 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7899 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
7901 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7903 Implement light-weight DImode support.
7904 * config/avr/avr-dimode.md: New file.
7905 * config/avr/avr.md: Include it.
7906 (adjust_len): Add plus64, compare64.
7907 (HIDI): Remove code iterator.
7908 (code_stdname): New code attribute.
7909 (rotx, rotsmode): Remove DI.
7910 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
7912 * config/avr/avr-protos.h (avr_have_dimode): New.
7913 (avr_out_plus64, avr_out_compare64): New.
7914 * config/avr/avr.c (avr_out_compare): Handle DImode.
7915 (avr_have_dimode): New variable definition and initialization.
7916 (avr_out_compare64, avr_out_plus64): New functions.
7917 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
7918 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
7919 (avr_compare_pattern): Skip DImode comparisons.
7921 2012-01-02 Revital Eres <revital.eres@linaro.org>
7923 * ddg.c (def_has_ccmode_p): New function.
7924 (add_cross_iteration_register_deps,
7925 create_ddg_dep_from_intra_loop_link): Call it.
7927 2012-01-02 Richard Guenther <rguenther@suse.de>
7930 * invoke.texi (fassociative-math): Remove spurious paranthesis.
7932 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7934 * gcc.c (process_command): Update copyright notice dates.
7935 * gcov.c (print_version): Likewise.
7936 * gcov-dump.c (print_version): Likewise.
7937 * mips-tfile.c (main): Likewise.
7938 * mips-tdump.c (main): Likewise.
7940 2012-01-01 Ira Rosen <irar@il.ibm.com>
7942 PR tree-optimization/51704
7943 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
7944 a use is inside the basic block or loop before accessing its vect info.
7946 2012-01-01 Jan Hubicka <jhjh@suse.cz>
7948 PR rtl-optimization/51069
7949 * cfgloopmanip.c (remove_path): Removing path making irreducible
7950 region unconditional makes BB part of the region.
7952 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7954 PR tree-optimization/51683
7955 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
7956 calls with side-effects.
7957 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
7959 Copyright (C) 2012 Free Software Foundation, Inc.
7961 Copying and distribution of this file, with or without modification,
7962 are permitted in any medium without royalty provided the copyright
7963 notice and this notice are preserved.