1 2013-02-05 Richard Biener <rguenther@suse.de>
3 PR tree-optimization/54767
4 * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
5 backedges drop all symbolical range information.
6 (execute_vrp): Compute backedges.
8 2013-02-04 Richard Biener <rguenther@suse.de>
10 Backport from mainline
11 2012-01-11 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/44061
14 * tree-vrp.c (extract_range_basic): Compute zero as
15 value-range for __builtin_constant_p of function parameters.
17 2013-01-08 Jakub Jelinek <jakub@redhat.com>
20 * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p.
22 2013-02-04 Richard Biener <rguenther@suse.de>
24 Backport from mainline
25 2012-07-04 Richard Guenther <rguenther@suse.de>
27 PR tree-optimization/53844
28 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
31 2012-12-13 Richard Biener <rguenther@suse.de>
34 * tree-streamer.c (record_common_node): Check that we are not
35 recursively pre-loading nodes we want to skip. Handle
36 char_type_node appearing as part of va_list_type_node.
38 2013-02-04 Richard Biener <rguenther@suse.de>
41 * gimple.h (gimple_call_builtin_class_p): New function.
42 * gimple.c (validate_call): New function.
43 (gimple_call_builtin_class_p): Likewise.
44 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
45 Use gimple_call_builtin_class_p.
46 (find_func_clobbers): Likewise.
47 * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
48 (strlen_optimize_stmt): Likewise.
50 2013-02-01 Jakub Jelinek <jakub@redhat.com>
52 Backported from mainline
53 2013-01-28 Jakub Jelinek <jakub@redhat.com>
55 PR tree-optimization/56125
56 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
57 pow(x,c) into sqrt(x) * powi(x, n/2) or
58 1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
60 Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
61 1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
64 2013-01-25 Jakub Jelinek <jakub@redhat.com>
66 PR tree-optimization/56098
67 * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
68 for stmts with volatile ops.
69 (cond_store_replacement): Don't optimize if assign has volatile ops.
70 (cond_if_else_store_replacement_1): Don't optimize if either
71 then_assign or else_assign have volatile ops.
73 2013-01-23 Jakub Jelinek <jakub@redhat.com>
76 * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
77 instead of cmpdi_operand for first comparison operand.
78 Don't assert that comparison operands aren't both constants.
80 2013-01-21 Jakub Jelinek <jakub@redhat.com>
82 PR tree-optimization/56051
83 * fold-const.c (fold_binary_loc): Don't fold
84 X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
85 a narrowing conversion, or widening conversion from signed
88 2013-01-18 Jakub Jelinek <jakub@redhat.com>
91 * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
92 the case where writing real complex part of target modifies
95 2013-01-15 Jakub Jelinek <jakub@redhat.com>
98 * function.c (thread_prologue_and_epilogue_insns): Always
99 add crtl->drap_reg to set_up_by_prologue.set, even if
100 stack_realign_drap is false.
102 2013-01-10 Jakub Jelinek <jakub@redhat.com>
104 PR tree-optimization/55921
105 * tree-complex.c (expand_complex_asm): New function.
106 (expand_complex_operations_1): Call it for GIMPLE_ASM.
108 2013-01-03 Jakub Jelinek <jakub@redhat.com>
110 PR rtl-optimization/55838
111 * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
112 iv0.step, iv1.step and step.
114 2012-11-23 Jakub Jelinek <jakub@redhat.com>
117 * Makefile.in (gimple-low.o): Depend on langhooks.h.
118 * gimple-low.c: Include langhooks.c.
119 (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
120 by default call lang_hooks.block_may_fallthru.
121 * langhooks.h (struct lang_hooks): Add block_may_fallthru
123 * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
124 (LANG_HOOKS_INITIALIZER): Use it.
126 2012-11-20 Jakub Jelinek <jakub@redhat.com>
129 * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
130 on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
131 * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
132 on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
133 fail if the last real insn doesn't have REG_ARGS_SIZE note.
135 2012-11-17 Jakub Jelinek <jakub@redhat.com>
137 PR tree-optimization/55236
138 * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
139 and signed ARG0_TYPE, force low and high to be non-NULL.
141 2012-11-13 Jakub Jelinek <jakub@redhat.com>
143 PR rtl-optimization/54127
144 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
145 asm goto labels from BB_HEAD (e->dest) to target bb, decrement
146 LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
147 BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
148 REG_LABEL_TARGET and REG_LABEL_OPERAND.
150 2013-02-01 Eric Botcazou <ebotcazou@adacore.com>
152 * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
153 range isn't testing for zero.
155 2013-01-29 Richard Biener <rguenther@suse.de>
157 PR tree-optimization/56113
158 * tree-ssa-structalias.c (equiv_class_lookup): Also return
160 (label_visit): Free duplicate bitmaps and record the leader instead.
161 (perform_var_substitution): Adjust.
163 2013-01-28 Serowk <serowk@yandex.ru>
166 * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
167 Fix mode checks to allow for the passing of constants in the
169 (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
170 Add entries in the switch statement for builtin iwmmxt vector
171 shift and rotate builtins.
173 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
175 Backport from mainline
176 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
179 * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
180 operand 0 in movabs insn template for -masm=intel asm alternative.
181 (*movabs<mode>_2): Ditto for operand 1.
183 2013-01-27 Uros Bizjak <ubizjak@gmail.com>
185 Backport from mainline
186 2013-01-22 Uros Bizjak <ubizjak@gmail.com>
189 * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
190 alternative to (o,r).
191 (*movdi_internal_rex64): Remove (!o,n) alternative.
192 (DImode immediate->memory splitter): Remove.
193 (DImode immediate->memory peephole2): Remove.
194 (movtf): Enable for TARGET_64BIT || TARGET_SSE.
195 (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
196 alternative to (!o,*r).
197 (*movtf_internal_sse): New pattern.
198 (*movxf_internal_rex64): New pattern.
199 (*movxf_internal): Disable for TARGET_64BIT.
200 (*movdf_internal_rex64): Remove (!o,F) alternative.
202 2013-01-23 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
205 involving stack registers slightly.
207 2013-01-24 Uros Bizjak <ubizjak@gmail.com>
209 * config/i386/constraints.md (Yf): New constraint.
210 * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
211 of f constraint to conditionaly disable x87 register preferences.
212 (*movdf_internal): Ditto.
213 (*movsf_internal): Ditto.
215 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
217 * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
218 (*movtf_internal_rex64): Add (!o,C) alternative
219 (*movxf_internal_rex64): Ditto.
220 (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
222 2013-01-25 Georg-Johann Lay <avr@gjlay.de>
224 * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
226 2013-01-24 Martin Jambor <mjambor@suse.cz>
228 Backport from mainline
229 2013-01-04 Martin Jambor <mjambor@suse.cz>
231 PR tree-optimization/55755
232 * tree-sra.c (sra_modify_assign): Do not check that an access has no
233 children when trying to avoid producing a VIEW_CONVERT_EXPR.
235 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
237 Backport from mainline
238 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
240 * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
242 2013-01-21 Uros Bizjak <ubizjak@gmail.com>
244 PR rtl-optimization/56023
245 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
246 dependent on debug instruction.
248 2013-01-21 Martin Jambor <mjambor@suse.cz>
250 Backport from mainline
251 2013-01-17 Martin Jambor <mjambor@suse.cz>
253 PR tree-optimizations/55264
254 * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
255 * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false
256 for virtual functions.
257 * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
259 * ipa.c (cgraph_remove_unreachable_nodes): Never return true for
260 virtual methods before inlining is over.
262 2013-01-17 Uros Bizjak <ubizjak@gmail.com>
264 Backport from mainline
265 2012-01-17 Uros Bizjak <ubizjak@gmail.com>
268 * config/i386/sync.md (atomic_store<mode>): Generate SWImode
269 store through atomic_store<mode>_1.
270 (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
272 2013-01-16 Richard Biener <rguenther@suse.de>
275 * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
276 account for bitpos when computing alignment.
278 2013-01-14 Georg-Johann Lay <avr@gjlay.de>
280 Backport from 2013-01-14 trunk r195169.
283 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
284 etc. to 1 and not to __flash.
285 Use LL suffix for __INT24_MAX__ with -mint8.
286 Use ULL suffix for __UINT24_MAX__ with -mint8.
288 2013-01-14 Matthias Klose <doko@ubuntu.com>
290 * doc/invoke.texi: Document -print-multiarch.
291 * doc/install.texi: Document --enable-multiarch.
292 * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
293 * configure.ac: Add --enable-multiarch option.
294 Substitute with_cpu, with_float.
295 * configure: Regenerate.
296 * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
297 enable_multiarch, with_cpu, with_float: New macros.
298 if_multiarch: New macro, define in terms of enable_multiarch.
299 * genmultilib: Add new argument for the multiarch name.
300 * gcc.c (multiarch_dir): Define.
301 (for_each_path): Search for multiarch suffixes.
302 (driver_handle_option): Handle multiarch option.
303 (do_spec_1): Pass -imultiarch if defined.
304 (main): Print multiarch.
305 (set_multilib_dir): Separate multilib and multiarch names
306 from multilib_select.
307 (print_multilib_info): Ignore multiarch names in multilib_select.
308 * incpath.c (add_standard_paths): Search the multiarch include dirs.
309 * cppdefault.h (default_include): Document multiarch in multilib
311 * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
312 include directory for multiarch directories.
313 * common.opt: New options --print-multiarch and -imultilib.
315 * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
316 Include i386/t-linux.
317 <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
318 Include i386/t-kfreebsd.
319 <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
320 * config/i386/t-linux64: Add multiarch names in
321 MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
322 * config/i386/t-gnu: New file.
323 * config/i386/t-kfreebsd: Likewise.
324 * config/i386/t-linux: Likewise.
326 * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
327 * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
328 * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
329 for 32bit non-biarch configurations.
331 * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
332 * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
335 * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
337 * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
339 * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
340 * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
341 * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
343 (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
344 * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
345 Include rs6000/t-linux for 32bit non-biarch configurations.
347 * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
349 * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
351 * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
352 * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
354 * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
355 * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
357 2013-01-14 Eric Botcazou <ebotcazou@adacore.com>
359 * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
360 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
361 (vect_estimate_min_profitable_iter): Adjust to above fix.
362 * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.
364 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
366 Backport from mainline
367 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
369 * doc/extend.texi (X86 Built-in Functions): Add whitespace in
370 __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
371 documentation. Add missing '__' in front of
372 __builtin_ia32_packssdw256.
374 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
376 Backport from mainline
377 2013-01-09 Uros Bizjak <ubizjak@gmail.com>
379 * config/i386/sse.md (*vec_interleave_highv2df): Change mode
380 attribute of movddup insn to DF.
381 (*vec_interleave_lowv2df): Ditto.
382 (vec_dupv2df): Ditto.
384 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
386 Backport from 2013-01-07 trunk r194991, r194992.
389 * doc/extend.texi (AVR Named Address Spaces): __memx goes into
392 * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
393 (avr_addrspace_t): Add .section_name field.
394 * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
396 (avr_addrspace): Same. Initialize .section_name. Remove last
397 NULL entry. Put __memx into .progmemx.data.
398 (progmem_section_prefix): Remove.
399 (avr_asm_init_sections): No need to initialize progmem_section.
400 (avr_asm_named_section): Use avr_addrspace[].section_name to get
402 (avr_asm_select_section): Ditto. And use get_unnamed_section to
403 retrieve the progmem section.
404 * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
405 boundary to run over avr_addrspace[].
406 (avr_register_target_pragmas): Ditto.
408 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
410 Backport from 2013-01-07 trunk r194978.
413 * doc/install.texi (Cross-Compiler-Specific Options): Document
416 2013-01-07 Georg-Johann Lay <avr@gjlay.de>
418 Backport from 2013-01-07 trunk r194968.
421 * config/avr/t-avr: Don't automatically rebuild
422 $(srcdir)/config/avr/t-multilib
423 $(srcdir)/config/avr/avr-tables.opt
424 (avr-mcus): New phony target to build them on request.
425 (s-avr-mlib): Remove.
426 * avr/avr-mcus.def: Adjust comments.
428 2013-01-07 Terry Guo <terry.guo@arm.com>
430 Backport from mainline
431 2012-12-19 Terry Guo <terry.guo@arm.com>
433 * config/arm/arm.c (thumb_find_work_register): Check argument
434 register number based on current PCS.
436 2013-01-06 Uros Bizjak <ubizjak@gmail.com>
438 Backport from mainline
439 2013-01-03 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
443 selected code model, define __code_mode_small__, __code_model_medium__,
444 __code_model_large__, __code_model_32__ or __code_model_kernel__.
445 * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
446 xchg temporary register with %k. Declare temporary register as
448 [__x86_64__]: For medium and large code models, preserve %rbx register.
450 2013-01-03 Richard Henderson <rth@redhat.com>
452 * config/i386/i386.c (ix86_expand_move): Always assign to op1
453 after eliminating TLS symbols.
455 2013-01-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
458 * config/pa/pa.md (movsi): Revert previous change.
459 * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
462 2013-01-02 Rainer Emrich <rainer@emrich-ebersheim.de>
465 * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
468 2013-01-02 Jason Merrill <jason@redhat.com>
471 * tree.c (build_array_type_1): Revert earlier change.
473 2012-12-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
476 * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
479 2012-12-21 Martin Jambor <mjambor@suse.cz>
481 PR tree-optimization/55355
482 * tree-sra.c (type_internals_preclude_sra_p): Also check that
483 bit_position is small enough to fit a single HOST_WIDE_INT.
485 2012-12-21 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
487 * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.
489 2012-12-18 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
491 Backport from mainline
492 2012-10-15 Matthias Klose <doko@ubuntu.com>
494 * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
495 * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
497 2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
498 Tomash Brechko <tomash.brechko@gmail.com>
501 * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
502 handling of before and after cases.
503 * config/sparc/sync.md (atomic_store): Fix pasto.
505 2012-12-14 Yvan Roux <yvan.roux@linaro.org>
507 * optabs.c (expand_atomic_store): Elide redundant model test.
509 2012-12-13 Richard Henderson <rth@redhat.com>
512 * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
514 2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
517 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
518 (tldo_stb_sp64): Likewise.
519 (tldo_sth_sp32): Likewise.
520 (tldo_sth_sp64): Likewise.
521 (tldo_stw_sp32): Likewise.
522 (tldo_stw_sp64): Likewise.
523 (tldo_stx_sp64): Likewise.
525 2012-12-10 Kai Tietz <ktietz@redhat.com>
528 * print-tree.c (print_node): Cast from pointer via uintptr_t.
530 2012-12-07 Uros Bizjak <ubizjak@gmail.com>
532 Backport from mainline
533 2012-12-06 Uros Bizjak <ubizjak@gmail.com>
534 H.J. Lu <hongjiu.lu@intel.com>
537 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
538 before using it as insn or call equivalent.
540 2012-12-06 Jason Merrill <jason@redhat.com>
543 * tree.c (build_array_type_1): Re-layout if we found it in the
546 2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
548 * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
549 opaque cond in all call insns.
551 2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
553 * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
554 area if the function allocates dynamic stack space.
555 (ia64_initial_elimination_offset): Adjust offsets to above change.
557 2012-12-03 Richard Biener <rguenther@suse.de>
559 Backport from mainline
560 2012-09-24 Richard Guenther <rguenther@suse.de>
562 PR tree-optimization/53663
563 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
564 native encode/interpret translation on VN_WALKREWRITE.
566 2012-12-03 Kai Tietz <ktietz@redhat.com>
569 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
572 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
575 * pointer-set.c (hash1): Cast from pointer via uintptr_t.
577 2012-12-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
579 Backport from mainline:
580 2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
583 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
584 (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
585 (in_nullified_branch_delay): Likewise.
586 (in_call_delay): Likewise.
587 Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
588 new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
589 the $$sh_func_adrs call as variable. Update type of sibcalls and
591 * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
592 length instead of adjustment. Handle negative and undefined call
593 adjustments for insn_default_length. Remove adjustment for millicode
594 insn with unfilled delay slot.
595 (pa_output_millicode_call): Update for revised millicode length.
596 * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
598 2012-11-29 Kai Tietz <ktietz@redhat.com>
601 * prefix.c (lookup_key): Replace xmalloc/xrealloc
602 use by XNEWVEC/XRESIZEVEC.
604 * i386.c (get_scratch_register_on_entry): Handle
606 (split_stack_prologue_scratch_regno): Likewise.
607 (ix86_static_chain): Likewise.
608 (x86_output_mi_thunk): Likewise.
610 2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
612 Backported from mainline
613 2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
614 Markus Trippelsdorf <markus@trippelsdorf.de>
617 * lto-opts.c (lto_write_options): Also handle
618 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
619 OPT_SPECIAL_program_name.
622 * lto-wrapper.c (merge_and_complain): Handle
623 OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
624 OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
626 2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
628 PR rtl-optimization/55489
629 * gcse.c (compute_transp): Precompute a canonical version
630 of XEXP (x, 0), and pass it to canon_true_dependence.
632 2012-11-27 Richard Biener <rguenther@suse.de>
635 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
636 stmt with a NOP instead of removing it.
638 2012-11-26 Richard Biener <rguenther@suse.de>
640 Backport from mainline
641 2012-10-19 Richard Biener <rguenther@suse.de>
643 PR tree-optimization/54976
644 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
645 Robustify against odd inner_mode inputs.
647 2012-10-12 Richard Biener <rguenther@suse.de>
649 PR tree-optimization/54894
650 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
651 Handle over-aligned scalar types properly.
653 2012-10-02 Richard Guenther <rguenther@suse.de>
656 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
659 2012-11-21 Michael Meissner <meissner@linux.vnet.ibm.com>
661 Backport from mainline
662 2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
664 * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
665 explaining the register ordering preferences.
667 2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
668 * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
669 constraints so that the traditional floating point loads, stores,
670 and moves are done first, then the VSX loads, stores, and moves,
671 and finally the GPR loads, stores, and moves so that reload
672 chooses FPRs over GPRs, and uses the traditional load/store
673 instructions which provide an offset.
674 (movdf_hardfloat64): Likewise.
676 2012-11-19 H.J. Lu <hongjiu.lu@intel.com>
678 Backported from mainline
679 2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
680 H.J. Lu <hongjiu.lu@intel.com>
683 * config/i386/i386.c (legitimize_pic_address): Properly handle
685 (ix86_print_operand_address): Set code to 'k' when forcing
686 addr32 prefix. For x32, zero-extend negative displacement if
689 2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
691 * common.opt (fvar-tracking-uninit): Document.
692 * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
693 * config/darwin.c (darwin_override_options): Likewise.
695 2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
697 * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
698 * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
700 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
702 * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
704 2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
706 * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
709 2012-11-07 Uros Bizjak <ubizjak@gmail.com>
711 Backport from mainline
712 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
714 * config/i386/i386.c (ix86_init_machine_status): Do not
715 explicitly clear tls_descriptor_call_expanded_p again.
717 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
720 (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
721 as read and written by the instruction.
723 2012-11-06 Uros Bizjak <ubizjak@gmail.com>
725 * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
726 (ix86_instantiate_decls): New function.
727 (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
728 stack slot instead of SLOT_VIRTUAL.
729 <case IX86_BUILTIN_STMXCSR>: Ditto.
730 (assign_386_stack_local): Do not assert when virtual slot is valid.
731 * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
732 * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
733 (truncxf<mode>2): Ditto.
734 (floatunssi<mode>2): Ditto.
735 (isinf<mode>2): Ditto.
736 * config/i386/sync.md (atomic_load<mode>): Ditto.
737 (atomic_store<mode>): Ditto.
739 2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
742 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
743 the argument is itself a conditional expression.
745 2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
750 2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
752 PR tree-optimization/54986
753 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
754 conversions on entry but add them back on exit if needed.
756 2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
759 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
761 (print_reg): Use true_regnum rather than REGNO.
762 (ix86_print_operand_address): Remove SUBREG handling.
764 2012-11-05 Jakub Jelinek <jakub@redhat.com>
766 Backported from mainline
767 2012-10-24 Jakub Jelinek <jakub@redhat.com>
770 * gimple.h (is_gimple_sizepos): New inline function.
771 * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
772 final assignment to expr variable.
773 * tree.c (RETURN_TRUE_IF_VAR): Return true also if
774 !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
775 into a local temporary.
777 2012-10-10 Jakub Jelinek <jakub@redhat.com>
779 PR tree-optimization/54877
780 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
781 use make_ssa_name instead of copy_ssa_name.
783 2012-11-03 Peter Bergner <bergner@vnet.ibm.com>
785 Backport from mainline
786 2012-10-31 Jakub Jelinek <jakub@redhat.com>
788 PR tree-optimization/53708
789 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
790 user-supplied alignment when used with an explicit section name.
792 2012-11-02 Jeff Law <law@redhat.com>
794 PR tree-optimization/54985
795 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
796 from thread_across_edge.
797 (thread_across_edge): Use it in all cases where we might thread
800 2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
802 * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
803 special register pushes before frame probing and allocation.
805 2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
806 Joel Sherrill <joel.sherrill@oarcorp.com>
808 * config/sparc/t-rtems: New (Custom multilibs).
809 * config/sparc/t-rtems-64: New (Custom multilibs).
810 * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
811 (sparc-*-rtems*): Add sparc/t-rtems.
813 2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
815 * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
817 (hash_rtx): Likewise.
819 2012-10-29 Terry Guo <terry.guo@arm.com>
821 Backport from mainline
822 2012-10-11 Terry Guo <terry.guo@arm.com>
824 * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
826 * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
829 2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
831 * common/config/m68k/m68k-common.c (m68k_handle_option): Set
832 gcc_options fields of opts_set for -m68020-40 and -m68020-60.
834 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
836 * config/avr/t-rtems: Revert previous commit.
838 2012-10-26 Terry Guo <terry.guo@arm.com>
840 Backport from mainline
841 2012-10-23 Terry Guo <terry.guo@arm.com>
844 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
847 2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
849 * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
851 * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
853 2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
855 * config.gcc (microblaze*-*-rtems*): New target.
856 * config/microblaze/rtems.h: New.
857 * config/microblaze/t-rtems: New.
859 2012-10-25 Richard Biener <rguenther@suse.de>
861 PR tree-optimization/54902
862 * tree-ssa-pre.c (fini_pre): Return TODO.
863 (execute_pre): Adjust.
864 * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
865 blocks before computing dominators.
867 2012-10-24 Uros Bizjak <ubizjak@gmail.com>
869 Backport from mainline
870 2012-10-22 Uros Bizjak <ubizjak@gmail.com>
872 * config/i386/i386.c (memory_address_length): Assert that non-null
873 base or index RTXes are registers. Do not check for REG RTXes.
874 Determine addr32 prefix using SImode_address_operand or
875 from original base and index RTXes. Simplify code.
877 2012-10-21 Uros Bizjak <ubizjak@gmail.com>
879 * config/i386/i386-protos.h (memory_address_length): Add new bool
880 argument. Update all uses.
881 * config/i386/i386.c (memory_address_length): If not LEA insn, then
882 add length of addr32 prefix based on mode of base or index register.
883 (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
884 addresses here. Update call to memory_address_length.
885 (ix86_print_address_operand): Use SImode_address_operand predicate.
886 * config/i386/predicates.md (SImode_address_operand): New.
887 * config/i386/i386.md (lea<mode>): Use SImode_address_operand
888 to calculate "mode" attribute. Use SImode_address_operand predicate
889 instead of open-coding accepted RTX codes.
891 2012-10-22 Georg-Johann Lay <avr@gjlay.de>
893 Backport from 2012-10-22 trunk r192685.
894 * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
895 Note __AVR_<device>__ is not defined for cores.
896 Don't point to --help=target.
897 Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
899 2012-10-19 Marek Polacek <polacek@redhat.com>
901 Backported from mainline
902 2012-10-19 Marek Polacek <polacek@redhat.com>
905 * fold-const.c (fold_sign_changed_comparison): Punt if folding
906 pointer/non-pointer comparison.
908 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
910 Backported from mainline
911 2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
914 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
915 sure the mode is correct when falling through from above cases.
917 2012-10-19 Alan Modra <amodra@gmail.com>
919 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
920 (HAVE_LD_LARGE_TOC): Likewise.
921 * configure: Regenerate.
923 2012-10-19 Alan Modra <amodra@gmail.com>
925 * config/rs6000/predicates.md (splat_input_operand): Don't call
926 input_operand for MEMs. Instead check for volatile and call
927 memory_address_addr_space_p with modified mode.
929 2012-10-17 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
931 Backported from mainline
932 2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
934 * config/arm/arm.c (arm_reorg): Ensure all insns are split.
936 2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
938 PR rtl-optimization/54870
939 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
940 * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
941 SSA_NAME pointer that points to a partition if there is at least
942 one variable with it set in the partition.
943 * dse.c (local_variable_can_escape): New predicate.
944 (can_escape): Call it.
945 * gimplify.c (mark_addressable): If this is a partitioned decl, also
946 mark the SSA_NAME pointer that points to a partition.
948 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
950 Backport from mainline
951 2012-08-09 Andrey Belevantsev <abel@ispras.ru>
953 PR rtl-optimization/53701
954 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
955 rocess not only expr's vinsns but all old vinsns from expr's
958 2012-10-16 Andrey Belevantsev <abel@ispras.ru>
960 Backport from mainline
961 2012-07-31 Andrey Belevantsev <abel@ispras.ru>
964 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
966 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
967 * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
968 only if producer writes to the register given by regno.
970 2012-09-15 Uros Bizjak <ubizjak@gmail.com>
972 Backport from mainline
973 2012-10-15 Uros Bizjak <ubizjak@gmail.com>
975 * config/i386/sse.md (UNSPEC_MOVU): Remove.
977 (UNSPEC_STOREU): Ditto.
978 (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
979 (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
980 (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
981 (<sse2>_movdqu<avxsizesuffix>): Split to ...
982 (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
983 (<sse2>_storedqu<avxsizesuffix>): ... this.
984 (*sse4_2_pcmpestr_unaligned): Update.
985 (*sse4_2_pcmpistr_unaligned): Ditto.
987 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
988 gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
989 gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
990 (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
991 gen_sse2_load{dqu,upd} to load from unaligned memory and
992 gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
994 (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
995 Use CODE_FOR_sse_loadups.
996 <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
997 <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
998 <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
999 <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
1000 <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
1001 <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
1002 <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
1003 <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
1004 <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
1005 <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
1006 <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
1008 2012-10-15 Steven Bosscher <steven@gcc.gnu.org>
1010 Backport from trunk (r190222):
1012 PR tree-optimization/54146
1013 * ifcvt.c: Include pointer-set.h.
1014 (cond_move_process_if_block): Change type of then_regs and
1015 else_regs from alloca'd array to pointer_sets.
1016 (check_cond_move_block): Update for this change.
1017 (cond_move_convert_if_block): Likewise.
1018 * Makefile.in: Fix dependencies for ifcvt.o.
1020 2012-10-15 Richard Guenther <rguenther@suse.de>
1022 PR tree-optimization/54920
1023 * tree-ssa-pre.c (create_expression_by_pieces): Properly
1024 allocate temporary storage for all NARY elements.
1026 2012-10-08 Georg-Johann Lay <avr@gjlay.de>
1029 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
1031 2012-10-05 Mark Kettenis <kettenis@openbsd.org>
1033 * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
1034 default_use_cxa_atexit to yes.
1036 2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1038 * config/pa/pa.md: Adjust unamed HImode add insn pattern.
1040 2012-10-05 Jan Hubicka <jh@suse.cz>
1041 Jakub Jelinek <jakub@redhat.com>
1043 PR tree-optimization/33763
1044 * tree-inline.c (expand_call_inline): Silently ignore always_inline
1045 attribute for redefined extern inline functions.
1047 2012-10-03 H.J. Lu <hongjiu.lu@intel.com>
1049 Backported from mainline
1050 2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
1052 * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
1053 in SSE and YMM state support check for -march=native.
1055 2012-10-03 Alexandre Oliva <aoliva@redhat.com>
1058 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
1061 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1063 Backported from mainline
1064 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1067 * doc/invoke.texi: Document -mprefer-avx128.
1069 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1071 Backported from mainline
1072 2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
1075 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
1076 (XSTATE_FP): Likewise.
1077 (XSTATE_SSE): Likewise.
1078 (XSTATE_YMM): Likewise.
1079 (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
1080 SSE and YMM states aren't supported.
1082 2012-10-01 Tom de Vries <tom@codesourcery.com>
1084 * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
1087 2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1090 * config/s390/s390.c (s390_option_override): Add missing break.
1092 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1094 Backport from mainline
1095 2012-09-29 Andreas Tobler <andreast@fgznet.ch>
1097 * config.gcc: Replace 'host' with 'target' when configuring for
1098 powerpc64*-*-freebsd.
1100 2012-09-28 Meador Inge <meadori@codesourcery.com>
1102 Backport from mainline
1103 2012-09-27 Meador Inge <meadori@codesourcery.com>
1105 * gcc-ar.c (main): Handle the returning of the sub-process error
1108 2012-09-28 Georg-Johann Lay <avr@gjlay.de>
1110 Backport from 2012-09-28 trunk r191821.
1111 * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
1113 2012-09-27 Jakub Jelinek <jakub@redhat.com>
1116 * simplify-rtx.c (simplify_binary_operation_1): Perform
1117 (x - (x & y)) -> (x & ~y) optimization only for integral modes.
1119 2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
1121 * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
1122 TYPE_NONALIASED_COMPONENT flag.
1123 * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
1124 TYPE_NONALIASED_COMPONENT flag.
1126 2012-09-21 Richard Guenther <rguenther@suse.de>
1129 Backport from mainline
1130 2012-04-19 Richard Guenther <rguenther@suse.de>
1132 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
1135 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1138 * c-typeck.c (c_cast_expr): When casting to a type requiring
1139 C_MAYBE_CONST_EXPR to be created, pass the inner expression to
1142 2012-09-20 Joseph Myers <joseph@codesourcery.com>
1145 * c-typeck.c (build_unary_op): Pass original argument of
1146 TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
1147 any C_MAYBE_CONST_EXPR, if it has integer operands.
1148 (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
1149 TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
1150 to c_objc_common_truthvalue_conversion, then remove any
1151 C_MAYBE_CONST_EXPR, if they have integer operands. Use
1152 c_objc_common_truthvalue_conversion not
1153 c_common_truthvalue_conversion.
1154 (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
1155 call note_integer_operands for arguments with integer operands
1156 that are not integer constants.
1158 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1160 Backported from mainline
1161 2012-09-17 Jakub Jelinek <jakub@redhat.com>
1163 PR tree-optimization/54563
1164 * tree-ssa-math-opts.c (execute_cse_sincos): Call
1165 gimple_purge_dead_eh_edges if last call has been changed.
1167 2012-09-14 Jakub Jelinek <jakub@redhat.com>
1170 * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
1171 instead of (match_dup 0) as second argument to vec_merge.
1172 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
1173 Remove third alternative.
1174 (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
1175 operand 2 instead of operand 1, but put it as first argument
1177 * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
1178 _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
1181 2012-09-20 Jakub Jelinek <jakub@redhat.com>
1183 * BASE-VER: Set to 4.7.3.
1184 * DEV-PHASE: Set to prerelease.
1186 2012-09-20 Release Manager
1188 * GCC 4.7.2 released.
1190 2012-09-15 Andi Kleen <ak@linux.intel.com>
1192 Backport from mainline
1193 2012-09-07 Andi Kleen <ak@linux.intel.com>
1195 * gcc/lto-streamer.h (res_pair): Add.
1196 (lto_file_decl_data): Replace resolutions with respairs.
1198 * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
1199 Initialize respairs.
1200 (lto_file_finalize): Set up resolutions vector lazily from respairs.
1202 2012-09-14 Walter Lee <walt@tilera.com>
1204 Backport from mainline.
1205 2012-09-14 Walter Lee <walt@tilera.com>
1207 * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
1208 option for TILEPro and TILE-Gx.
1210 2012-09-13 Uros Bizjak <ubizjak@gmail.com>
1212 * config/i386/i386.h (x86_prefetchw): New global variable.
1213 (TARGET_PREFETCHW): New macro.
1214 * config/i386/i386.c (PTA_PREFETCHW): Ditto.
1215 (processor_alias_table): Add PTA_PREFETCHW to
1216 bdver1, bdver2 and btver1.
1217 (ix86_option_override_internal): Set x86_prefetchw for
1218 PTA_PREFETCHW targets.
1219 * config/i386/i386.md (prefetch): Expand to prefetchw
1220 for TARGET_PREFETCHW.
1221 (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
1223 Backport from mainline
1224 2012-08-13 Uros Bizjak <ubizjak@gmail.com>
1226 * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
1227 (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
1229 (*prefetch_sse): ... this.
1230 (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
1232 (*prefetch_3dnow): ... this.
1234 2012-09-13 Jakub Jelinek <jakub@redhat.com>
1237 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
1238 COMPLEX_TYPE with in_late_binary_op set temporarily to true.
1240 2012-09-12 Teresa Johnson <tejohnson@google.com>
1242 Backport from mainline.
1243 2012-09-12 Teresa Johnson <tejohnson@google.com>
1245 PR gcov-profile/54487
1246 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
1247 test using F_SETLKW with fcntl.
1248 * configure, config.in: Regenerate.
1250 2012-09-12 Uros Bizjak <ubizjak@gmail.com>
1252 Backport from mainline
1253 2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1255 * config/i386/i386.md : Comments on fma4 instruction selection
1256 reflect requirement on register pressure based cost model.
1258 * config/i386/driver-i386.c (host_detect_local_cpu): fma4
1259 flag is set-reset as informed by the cpuid flag.
1261 * config/i386/i386.c (processor_alias_table): fma4
1262 flag is enabled for bdver2.
1264 2012-09-12 Christian Bruel <christian.bruel@st.com>
1266 * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
1268 2012-09-12 Jakub Jelinek <jakub@redhat.com>
1270 * config.gcc: Obsolete picochip-*.
1272 2012-09-11 Richard Guenther <rguenther@suse.de>
1275 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
1276 on flag_toplevel_reorder.
1278 2012-09-10 Richard Henderson <rth@redhat.com>
1280 * config/alpha/predicates.md (small_symbolic_operand): Disallow
1283 2012-09-10 Georg-Johann Lay <avr@gjlay.de>
1285 Backport from 2012-09-10 mainline r191132.
1288 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
1290 2012-09-10 Markus Trippelsdorf <markus@trippelsdorf.de>
1293 * tree-sra.c (disqualify_base_of_expr): Check for possible
1294 NULL_TREE returned by get_base_address()
1296 2012-09-07 Richard Guenther <rguenther@suse.de>
1298 Backport from mainline
1299 2012-06-26 Jan Hubicka <jh@suse.cz>
1302 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
1305 2012-09-07 Richard Guenther <rguenther@suse.de>
1307 Backport from mainline
1308 2012-07-13 Richard Guenther <rguenther@suse.de>
1310 PR tree-optimization/53922
1311 * tree-vrp.c (value_inside_range): Change prototype to take
1312 min/max instead of value-range.
1313 (range_includes_zero_p): Likewise. Return the result from
1315 (extract_range_from_binary_expr_1): Adjust to handle dont-know
1316 return value from range_includes_zero_p.
1317 (extract_range_from_unary_expr_1): Likewise.
1318 (compare_range_with_value): Likewise.
1319 (vrp_meet_1): Likewise.
1321 2012-09-07 Richard Guenther <rguenther@suse.de>
1324 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
1325 EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
1326 arguments separately.
1328 2012-09-07 Jakub Jelinek <jakub@redhat.com>
1330 Backported from mainline
1331 2012-09-06 Jakub Jelinek <jakub@redhat.com>
1333 PR rtl-optimization/54455
1334 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
1335 bb ends up with asm goto referencing bb's label.
1337 2012-09-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1339 Backport from mainline.
1340 2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1341 Richard Earnshaw <richard.earnshaw@arm.com>
1344 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
1345 element size. Use elem_type from the formal parameter. New parameter
1347 (neon_expand_args): Adjust call to neon_dereference_pointer.
1349 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
1351 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
1352 reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
1354 2012-09-06 Uros Bizjak <ubizjak@gmail.com>
1356 Backport from mainline
1357 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1359 * config/i386/i386.md (isa): Add fma and fma4.
1360 (enabled): Handle fma and fma4.
1361 * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
1362 (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
1363 (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
1364 (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
1365 (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
1366 (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
1368 2012-08-10 Uros Bizjak <ubizjak@gmail.com>
1370 * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
1371 *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
1372 *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
1374 2012-09-06 Richard Guenther <rguenther@suse.de>
1376 PR tree-optimization/54498
1377 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
1378 abort when reaching an already visited region.
1379 * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
1380 (get_continuation_for_phi_1): Likewise.
1381 (walk_non_aliased_vuses): When we translated the reference,
1382 abort when we re-visit a region.
1383 * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
1385 2012-09-06 Andrew Pinski <apinski@cavium.com>
1388 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
1390 2012-09-05 Jakub Jelinek <jakub@redhat.com>
1393 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
1394 build_int_cst with size_type_node instead of size_int.
1396 2012-09-05 Georg-Johann Lay <avr@gjlay.de>
1398 Backport from 2012-09-05 mainline r190697.
1401 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
1402 configured --with-avrlibc.
1403 (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
1405 * config/avr/avrlibc.h: New file.
1406 * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
1407 configured --with-avrlibc.
1408 * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
1410 2012-09-05 Bin Cheng <bin.cheng@arm.com>
1412 Backport from 2012-09-04 mainline r190919
1415 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
1416 of size less than 4 bytes by using macro ARM_NUM_INTS.
1417 (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
1419 2012-09-04 Richard Henderson <rth@redhat.com>
1421 * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
1423 2012-09-04 Georg-Johann Lay <avr@gjlay.de>
1425 Backport from 2012-09-04 mainline r190920
1428 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
1430 2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1432 Backport from 2012-09-04 mainline r190914
1435 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
1437 (avr_allocate_stack_slots_for_args): ...this new static function.
1439 2012-09-03 H.J. Lu <hongjiu.lu@intel.com>
1441 Backported from mainline
1442 2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
1445 * doc/invoke.texi: Add -da and remove -dm.
1447 2012-09-03 Jakub Jelinek <jakub@redhat.com>
1449 Backported from mainline
1450 2012-09-01 Jakub Jelinek <jakub@redhat.com>
1453 * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
1454 operands[1] is CONST_INT_P, convert it to QImode before printing.
1456 2012-08-31 Jakub Jelinek <jakub@redhat.com>
1459 * c-convert.c (convert): Don't call fold_convert_loc if
1460 TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
1461 is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from
1462 COMPLEX_TYPE -> COMPLEX_TYPE conversion.
1464 2012-08-24 Jakub Jelinek <jakub@redhat.com>
1467 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
1468 if init is a CONSTRUCTOR.
1470 2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
1472 PR rtl-optimization/54369
1473 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
1474 calling dbr_schedule.
1475 * config/sparc/sparc.c (sparc_reorg): Likewise.
1477 2012-08-31 Kirill Yukhin <kirill.yukhin@intel.com>
1479 Backport from mainline
1480 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com>
1482 * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
1483 case for Atom processor.
1485 2012-08-28 Uros Bizjak <ubizjak@gmail.com>
1487 Backport from mainline
1488 2012-08-27 Uros Bizjak <ubizjak@gmail.com>
1491 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
1492 true for TARGET_64BIT or !flag_pic.
1493 * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
1494 (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
1495 to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
1496 Add insn constraint. Conditionally emit xchg asm insns.
1497 (atomic_compare_and_swap<mode>): Update calls. Check only
1498 cmpxchg8b_pic_memory_operand in memory address fixup.
1500 (CASHMODE): Rename from DCASHMODE.
1501 (doublemodesuffix): Update modes.
1502 (regprefix): New mode attribute.
1504 (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
1505 <UNSPECV_CMPXCHG>: New constant.
1506 (atomic_compare_and_swap<mode>_1): Rename from
1507 atomic_compare_and_swap_single<mode>. Update calls and
1508 unspec_volatile constants.
1509 (atomic_compare_and_swap<mode>_doubleword): Rename from
1510 atomic_compare_and_swap_double<mode>. Update calls and
1511 unspec_volatile constants.
1513 2012-08-28 Walter Lee <walt@tilera.com>
1515 Backport from mainline
1516 2012-08-28 Walter Lee <walt@tilera.com>
1518 * confg/tilegx/tilegx.md: Fix code style.
1519 (*zero_extendsidi_truncdisi): Fix typo.
1520 * config/tilegx/tilegx.c: Fix code style.
1521 (tilegx_function_profiler): Fix typo.
1523 2012-08-27 Walter Lee <walt@tilera.com>
1525 Backport from mainline
1526 2012-08-27 Walter Lee <walt@tilera.com>
1528 * doc/md.texi (TILE-Gx): Fix typo.
1530 2012-08-27 Walter Lee <walt@tilera.com>
1532 Backport from mainline
1533 2012-08-27 Walter Lee <walt@tilera.com>
1535 * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
1536 * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
1538 2012-08-27 Walter Lee <walt@tilera.com>
1540 Backport from mainline
1541 2012-08-27 Walter Lee <walt@tilera.com>
1543 * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
1544 (insn_bfins): Delete.
1546 2012-08-27 Walter Lee <walt@tilera.com>
1548 Backport from mainline
1549 2012-08-27 Walter Lee <walt@tilera.com>
1551 * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
1552 atomic_exchange_bare<mode>,
1553 atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
1554 * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
1555 * config/tilegx/tilegx.md (type): Add X1_remove.
1556 (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
1557 insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
1558 insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
1561 2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
1563 PR rtl-optimization/54088
1564 * jump.c (delete_related_insns): Robustify latest change.
1566 2012-08-21 Richard Guenther <rguenther@suse.de>
1568 Backport from mainline
1569 2012-08-16 Richard Guenther <rguenther@suse.de>
1572 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
1574 * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
1575 * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
1576 * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
1577 * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
1578 (tree_ssa_lim_finalize): Free all mem_refs.
1579 * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
1580 scc when bailing out.
1581 * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
1582 * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
1583 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
1584 FOR_EACH_LOOP_BREAK.
1586 2012-08-17 Richard Guenther <rguenther@suse.de>
1588 * tree-sra.c (modify_function): Free redirect_callers vector.
1589 * ipa-split.c (split_function): Free args_to_pass vector.
1590 * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
1592 (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
1593 * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
1594 (vect_analyze_slp_instance): Free everything.
1595 (destroy_bb_vec_info): Free the SLP instances.
1597 2012-08-17 Richard Guenther <rguenther@suse.de>
1599 * params.def (integer-share-limit): Decrease from 256 to 251,
1602 2012-08-21 Richard Guenther <rguenther@suse.de>
1604 * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
1605 the affine expansion cache.
1607 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1609 Backported from trunk
1610 2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
1613 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
1615 2012-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1617 Backport from mainline.
1618 2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1621 * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
1622 mark as predicable. Adjust asm template.
1623 (vec_setv2di_internal): Likewise.
1624 (vec_extract<mode> VD, VQ): Likewise.
1625 (vec_extractv2di): Likewise.
1626 (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
1627 (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
1628 (neon_vdup_n<mode> VX, V32): Likewise.
1629 (neon_vdup_nv2di): Likewise.
1631 2012-08-17 Walter Lee <walt@tilera.com>
1633 Backport from mainline
1634 2012-08-17 Walter Lee <walt@tilera.com>
1636 * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
1637 (FEEDBACK_ENTER): Define.
1638 (FEEDBACK_REENTER): Define.
1639 (FEEDBACK_ENTRY): Define.
1640 * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
1641 (FEEDBACK_ENTER): Define.
1642 (FEEDBACK_REENTER): Define.
1643 (FEEDBACK_ENTRY): Define.
1645 2012-08-16 Walter Lee <walt@tilera.com>
1647 Backport from mainline
1648 2012-08-16 Walter Lee <walt@tilera.com>
1650 * config.gcc (tilegx-*-linux*): Add feedback.h.
1651 (tilepro-*-linux*): Likewise.
1652 * config/tilegx/feedback.h: New file.
1653 * config/tilepro/feedback.h: New file.
1655 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
1657 Backport from mainline r189840 and r187586:
1658 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
1660 * config/i386/i386.md (stack_protect_set): Disable the pattern
1661 for Android since Android libc (bionic) does not provide random
1662 value for stack protection guard at gs:0x14. Guard value
1663 will be provided from external symbol (default implementation).
1664 (stack_protect_set_<mode>): Likewise.
1665 (stack_protect_test): Likewise.
1666 (stack_protect_test_<mode>): Likewise.
1667 * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
1668 not have Bionic by default
1669 * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
1670 Macro OPTION_BIONIC is defined in this file and provides Bionic
1671 accessibility status
1673 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
1675 * configure.ac: Stack protector enabling for Android targets.
1676 * configure: Regenerate.
1678 2012-08-13 Jakub Jelinek <jakub@redhat.com>
1680 Backported from trunk
1681 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1683 PR rtl-optimization/53942
1684 * function.c (assign_parm_setup_reg): Avoid zero/sign extension
1685 directly from likely spilled non-fixed hard registers, move them
1688 2012-08-11 Uros Bizjak <ubizjak@gmail.com>
1690 * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
1691 (xop_phaddubq): Ditto.
1693 2012-08-10 Ulrich Weigand <ulrich.weigand@linaro.org>
1695 Backport from mainline
1696 2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
1697 Richard Earnshaw <rearnsha@arm.com>
1699 * target.def (vector_alignment): New target hook.
1700 * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
1701 * doc/tm.texi: Regenerate.
1702 * targhooks.c (default_vector_alignment): New function.
1703 * targhooks.h (default_vector_alignment): Add prototype.
1704 * stor-layout.c (layout_type): Use targetm.vector_alignment.
1705 * config/arm/arm.c (arm_vector_alignment): New function.
1706 (TARGET_VECTOR_ALIGNMENT): Define.
1708 * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
1709 vector type alignment instead of size.
1710 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
1711 element type size directly instead of computing it from alignment.
1712 Fix variable naming and comment.
1714 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1716 Backport from mainline
1717 2012-08-09 Uros Bizjak <ubizjak@gmail.com>
1719 * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
1720 (alpha_pad_function_end): ... this. Also insert NOP between
1721 sibling call and GP load.
1722 (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
1724 2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
1726 Backport from mainline
1727 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
1728 H.J. Lu <hongjiu.lu@intel.com>
1730 PR rtl-optimization/54157
1731 * combine.c (gen_lowpart_for_combine): Don't return identity
1732 for CONST or symbolic reference.
1734 2012-08-06 Uros Bizjak <ubizjak@gmail.com>
1736 Backport from mainline
1737 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1739 * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
1740 * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
1741 split_cost argument signed.
1742 (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
1743 (ix86_avoid_lea_for_addr): Ditto.
1745 2012-07-27 Uros Bizjak <ubizjak@gmail.com>
1747 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
1748 the address has less than two components.
1750 2012-08-02 Steve Ellcey <sellcey@mips.com>
1752 Backport from mainline
1753 2012-07-19 Steve Ellcey <sellcey@mips.com>
1755 * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
1758 2012-08-02 Uros Bizjak <ubizjak@gmail.com>
1760 Backport from mainline
1761 2012-07-24 Uros Bizjak <ubizjak@gmail.com>
1764 * config/i386/i386.c (ix86_legitimate_address_p): Move check for
1765 negative constant address for TARGET_X32 ...
1766 (ix86_decompose_address): ... here. Reject constant addresses
1767 that don't satisfy x86_64_immediate_operand predicate.
1769 2012-07-23 Uros Bizjak <ubizjak@gmail.com>
1772 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
1773 * config/i386/i386.c (ix86_print_operand_address): Ditto.
1774 (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
1775 addresses. Prevent zero extensions of CONST_INT operands.
1777 2012-07-22 Uros Bizjak <ubizjak@gmail.com>
1780 * config/i386/i386.md (*lea): New insn pattern.
1782 (*lea<mode>_2): Ditto.
1783 (*lea_{3,4,5,6}_zext): Ditto.
1784 * config/i386/predicates.md (lea_address_operand): Do not reject
1785 zero-extended address operands.
1786 * config/i386/constraints.md (j): Remove address constraint.
1787 * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
1789 (ix86_print_operand_address): Handle SImode subreg of an address.
1790 (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
1792 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1794 Backport from mainline
1795 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
1798 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1799 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1801 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1802 (*movdi_internal_rex64): Use %E operand modifier for lea.
1803 (*movsi_internal): Ditto.
1805 (*lea<mode>_2): Ditto.
1806 (*lea_{3,4,5,6}_zext): Ditto.
1807 (*tls_global_dynamic_32_gnu): Ditto.
1808 (*tls_global_dynamic_64): Ditto.
1809 (*tls_dynamic_gnu2_lea_32): Ditto.
1810 (*tls_dynamic_gnu2_lea_64): Ditto.
1811 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1813 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1815 Backport from mainline
1816 2012-08-01 Uros Bizjak <ubizjak@gmail.com>
1818 * config/i386/i386.c (ix86_address_subreg_operand): Reject
1820 (ix86_print_operand_address): Assert that parts.base and parts.index
1821 are non-NULL after call to simplify_subreg.
1823 2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
1826 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
1828 * config/sh/sh.c (sh_option_override): Do not change
1829 flag_finite_math_only. Set TARGET_IEEE to complement of
1830 flag_finite_math_only.
1831 * doc/invoke.texi (SH options): Add mno-ieee. Correct
1832 description of mieee and mno-ieee behavior.
1834 2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
1837 * config/i386/lzcntintrin.h (_lzcnt_u32): New.
1838 (_lzcnt_u64): Ditto.
1840 2012-07-20 Andrey Belevantsev <abel@ispras.ru>
1842 Backport from mainline
1843 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
1845 PR rtl-optimization/52250
1846 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1847 to put note list into. Unconditionally call move_bb_info.
1848 (move_bb_info): Do not assert the blocks being in the same region,
1849 just drop the note list if they are not.
1851 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1853 * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
1855 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1857 * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
1858 defining statement is a SSA name that occurs in abnormal PHIs.
1860 2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
1862 * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
1865 2012-07-19 Richard Guenther <rguenther@suse.de>
1866 Eric Botcazou <ebotcazou@adacore.com>
1868 * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1869 about transition from invariant to known bits.
1870 (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1872 2012-07-19 Jakub Jelinek <jakub@redhat.com>
1875 * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1876 (cleanup_tree_cfg_bb): Don't call it.
1877 * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1880 2012-07-19 Christian Bruel <christian.bruel@st.com>
1883 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1885 2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
1887 * config.gcc (v850-*-rtems*): New target.
1888 * config/v850/rtems.h: New.
1889 * config/v850/t-rtems: New.
1891 2012-07-18 Nick Clifton <nickc@redhat.com>
1893 * doc/invoke.texi (ARM Options): Document -munaligned-access.
1895 2012-07-15 Uros Bizjak <ubizjak@gmail.com>
1899 Backport from mainline
1900 2012-04-25 Jakub Jelinek <jakub@redhat.com>
1903 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1904 instead expand it as zero extension.
1906 2012-07-14 Uros Bizjak <ubizjak@gmail.com>
1908 * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1909 QImode and HImode splitters. Use ix86_comparison_operator.
1910 Explicitly match FLAGS_REG.
1911 (DFmode cmove splitter): Explicitly match FLAGS_REG.
1913 2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
1914 Steven Bosscher <steven@gcc.gnu.org>
1915 Bernd Schmidt <bernds@codesourcery.com>
1917 PR rtl-optimization/53908
1918 * df-problems.c (can_move_insns_across): When doing
1919 memory-reference book-keeping, handle call insns.
1921 2012-07-10 Uros Bizjak <ubizjak@gmail.com>
1923 Backport from mainline
1924 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
1927 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1928 sibcall_insn_operand. Move it to a temporary register if not.
1930 2012-07-06 Uros Bizjak <ubizjak@gmail.com>
1933 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1934 emit PIC sequence for fnaddr symbol reference in advance.
1936 2012-07-09 Jason Merrill <jason@redhat.com>
1939 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1940 (type_hash_eq): Likewise.
1943 * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1945 2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
1947 * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1948 due to negative shift amount.
1950 2012-07-06 Kai Tietz <ktietz@redhat.com>
1952 Backport from mainline.
1954 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1955 as "/mingw/include".
1957 2012-07-06 Nick Clifton <nickc@redhat.com>
1959 * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1960 default_encode_section_info.
1962 2012-07-06 Richard Guenther <rguenther@suse.de>
1964 Backport from mainline
1965 2012-03-30 Richard Guenther <rguenther@suse.de>
1968 * double-int.c (rshift_double): Remove not needed cast.
1970 2012-03-28 Richard Guenther <rguenther@suse.de>
1973 * double-int.h (rshift_double): Remove.
1974 * double-int.c (lshift_double): Use absu_hwi to make count
1976 (rshift_double): Make static, take unsigned count argument,
1977 remove handling of negative count argument.
1978 (double_int_rshift): Dispatch to lshift_double.
1980 2012-07-06 Richard Guenther <rguenther@suse.de>
1982 Backport from mainline
1983 2012-06-18 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/53693
1986 * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1987 Reject operands with more than one use.
1989 2012-07-06 Richard Guenther <rguenther@suse.de>
1991 Backport from mainline
1992 2012-04-11 Richard Guenther <rguenther@suse.de>
1995 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1996 consider loop nesting.
1997 (evolution_function_is_univariate_p): Properly check the remainder
2000 2012-07-05 Pat Haugen <pthaugen@us.ibm.com>
2002 Backport from mainline
2003 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
2005 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2006 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
2007 (adjacent_mem_locations): Move some code to and call...
2008 (get_memref_parts): ...new function.
2009 (mem_locations_overlap): New function.
2010 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
2011 (is_mem_ref): Rename to...
2012 (find_mem_ref): ...this. Return MEM rtx.
2013 (get_store_dest): Remove function.
2014 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
2015 new parameter and adjust calls.
2016 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
2017 mem refs overlap for true_store_to_load_dep_costly.
2018 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
2019 passed to adjacent_mem_locations.
2020 (is_costly_group): Walk resolved dependency list.
2021 (force_new_group): Emit group ending nop for Power6/Power7.
2022 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
2023 (group_ending_nop): New define_insn.
2025 2012-07-04 Richard Guenther <rguenther@suse.de>
2028 * gimple-fold.c (get_base_constructor): Do not return an
2029 error_mark_node DECL_INITIAL.
2031 2012-07-04 Uros Bizjak <ubizjak@gmail.com>
2033 Backport from mainline
2034 2012-07-03 Uros Bizjak <ubizjak@gmail.com>
2036 * config/i386/i386.c (ix86_option_override_internal): Fix wrong
2037 code model string in the error message.
2039 2012-07-04 Tristan Gingold <gingold@adacore.com>
2041 Backport from mainline.
2042 2012-06-25 Tristan Gingold <gingold@adacore.com>
2044 * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
2045 (seh_cfa_adjust_cfa): ... that function.
2046 (seh_emit_stackalloc): Do not emit out of range values.
2047 * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
2048 UNSPEC_DEF_CFA constants.
2049 * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
2050 * config/i386/i386.c (ix86_frame_pointer_required): Required
2051 for very large frames on SEH target.
2052 (ix86_compute_frame_layout): Save area is before frame pointer
2053 on SEH target. Handle very large frames.
2054 (ix86_expand_prologue): Likewise.
2056 2012-07-04 Richard Guenther <rguenther@suse.de>
2058 * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
2059 as in free_lang_data_in_type.
2061 2012-07-02 Martin Jambor <mjambor@suse.cz>
2063 Backport from mainline.
2064 2012-07-02 Martin Jambor <mjambor@suse.cz>
2067 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
2068 dynamic type change check.
2070 2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
2072 * tree-eh.c (lower_try_finally_switch): Really put the location of the
2073 last statement of the finally block onto the switch.
2075 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2077 * configure: Regenerate.
2079 Backport from mainline.
2080 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2082 * config.gcc (target_type_format_char): New. Document it. Set it for
2084 * configure.ac (gnu_unique_option): Use target_type_format_char
2085 in test. Comment rationale.
2087 2012-06-29 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2089 Backport from mainline.
2090 2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2092 * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
2094 2012-06-28 Georg-Johann Lay <avr@gjlay.de>
2096 Backport from 2012-06-28 mainline r189049
2099 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
2100 * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
2101 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
2102 avr_hard_regno_call_part_clobbered.
2104 2012-06-28 Richard Guenther <rguenther@suse.de>
2107 * expr.c (expand_expr_real_1): Verify if the type is complete
2108 before inspecting its size.
2110 2012-06-27 Nick Clifton <nickc@redhat.com>
2112 * config/rx/rx.md (comparesi3_extend): Remove = modifier from
2115 2012-06-26 Alexandre Oliva <aoliva@redhat.com>
2118 * cselib.c (promote_debug_loc): Don't crash on NULL argument.
2120 2012-06-26 Nick Clifton <nickc@redhat.com>
2122 * config/rx/rx.md (simple_return): Use the simple_return rtx.
2124 2012-06-25 Jakub Jelinek <jakub@redhat.com>
2127 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
2128 of x x x in the vmovlps load alternative.
2130 2012-06-22 Richard Guenther <rguenther@suse.de>
2132 * gcov-iov.c: Include bconfig.h and system.h.
2134 2012-06-22 Richard Guenther <rguenther@suse.de>
2136 PR gcov-profile/53744
2137 * gcov-iov.c (main): Treat "" and "prerelease" the same.
2139 2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
2141 * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
2142 DECL_IGNORED_P non-reg vars even if they are used.
2144 2012-06-19 Jason Merrill <jason@redhat.com>
2147 * dwarf2out.c (modified_type_die): Use scope_die_for.
2148 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2149 (uses_local_type_r, uses_local_type): New.
2150 (scope_die_for): Keep a type that uses a local type in local scope.
2151 Use get_context_die for namespace and type scope.
2153 2012-06-19 Richard Guenther <rguenther@suse.de>
2156 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2157 replace it with the first non-BLOCK context.
2159 2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
2161 PR rtl-optimization/53700
2163 Backport from mainline
2164 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
2166 * ira-color.c (setup_left_conflict_sizes_p): Process all
2167 conflicting objects.
2169 2012-06-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2171 Backport from mainline
2172 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
2175 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
2176 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
2177 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
2178 instead of xop_mulv2div2di3_low.
2179 (xop_p<macs>dql): Fix vec_select selector.
2180 (xop_p<macs>dqh): Ditto.
2181 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
2182 (xop_mulv2div2di3_high): Ditto.
2184 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2186 Backport from mainline:
2187 2012-06-17 Uros Bizjak <ubizjak@gmail.com>
2189 * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
2191 2012-06-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2193 Backport from mainline:
2194 2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2196 * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
2197 * config/pa/pa.c (pa_attr_length_millicode_call): Use
2198 MAX_PCREL17F_OFFSET instead of fixed offset.
2199 (pa_attr_length_call): Likewise.
2200 (pa_attr_length_indirect_call): Likewise.
2202 2012-06-15 Walter Lee <walt@tilera.com>
2204 Backport from mainline:
2205 2012-06-15 Walter Lee <walt@tilera.com>
2207 * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
2209 2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
2211 * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
2213 2012-06-15 Aldy Hernandez <aldyh@redhat.com>
2215 Backport from mainline:
2217 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
2218 * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
2219 * gimple.h (block_in_transaction): Check for flag_tm.
2221 2012-06-14 Aldy Hernandez <aldyh@redhat.com>
2223 PR tree-optimization/52558
2225 Backport from mainline:
2226 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
2227 * gimple.h (gimple_set_in_transaction): Remove.
2228 (gimple_in_transaction): Look in BB instead.
2229 (gimple_statement_base): Remove in_transaction field.
2230 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
2231 * trans-mem.c (compute_transaction_bits): Place transaction bit
2232 information into basic blocks.
2234 2012-05-31 Aldy Hernandez <aldyh@redhat.com>
2236 PR tree-optimization/52558
2237 * cfg.c (alloc_aux_for_edge): Fix comment.
2238 (alloc_aux_for_edge): Remove static.
2239 * basic-block.h (alloc_aux_for_edge): Protoize.
2240 * tree-ssa-loop-im.c (execute_sm_if_changed): New.
2241 (execute_sm_if_changed_flag): New.
2242 (execute_sm_if_changed_flag_set): New.
2243 (execute_sm): Do not generate data races unless requested.
2244 (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
2245 (tree_ssa_lim_finalize): Call free_aux_for_edges.
2246 * gimple.h (block_in_transaction): New.
2247 (gimple_in_transaction): Use block_in_transaction.
2249 2012-06-14 Jakub Jelinek <jakub@redhat.com>
2251 Backported from mainline
2252 2012-06-12 Jakub Jelinek <jakub@redhat.com>
2254 PR rtl-optimization/53589
2255 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
2256 discovery even when e->dest != target. If any LABEL_REF points
2257 to e->dest label, redirect it to target's label.
2259 2012-06-07 Jakub Jelinek <jakub@redhat.com>
2262 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
2263 returns false, replace stmt with GIMPLE_NOP.
2264 (check_omp_nesting_restrictions): Instead of issuing warnings,
2265 issue errors and return false if any errors were reported.
2267 2012-06-14 Richard Guenther <rguenther@suse.de>
2269 * BASE-VER: Set to 4.7.2.
2270 * DEV-PHASE: Set to prerelease.
2272 2012-06-12 Christian Bruel <christian.bruel@st.com>
2275 * config/sh/sh.c (sh_option_override): Don't force
2276 flag_omit_frame_pointer and maccumulate_outgoing_args.
2277 * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
2279 2012-06-14 Release Manager
2281 * GCC 4.7.1 released.
2283 2012-06-13 Uros Bizjak <ubizjak@gmail.com>
2285 * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
2287 2012-06-13 Richard Henderson <rth@redhat.com>
2289 * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
2290 iterator instead of INT.
2292 2012-06-08 Richard Henderson <rth@redhat.com>
2295 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
2296 note to a clobber insn when no other insn is available.
2298 2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2301 * doc/invoke.texi (Wenum-compare): Update documentation.
2303 2012-06-04 Edmar Wienskoski <edmar@freescale.com>
2306 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
2308 (altivec_stvlxl): Ditto.
2309 (altivec_stvrx): Ditto.
2310 (altivec_stvrxl): Ditto.
2312 2012-06-04 Aldy Hernandez <aldyh@redhat.com>
2315 * trans-mem.c (expand_block_edges): Do not skip the first
2316 statement when resetting the BB.
2318 2012-06-04 Richard Guenther <rguenther@suse.de>
2321 * dwarf2out.c (dwarf2out_finish): If generating LTO do not
2322 create new assembler names.
2324 2012-06-04 Richard Guenther <rguenther@suse.de>
2326 Backport from mainline
2327 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2330 * stor-layout.c (get_best_mode): Don't return mode with bitsize
2331 larger than maxbits. Don't compute maxbits modulo align.
2332 Also check that unit bytes long store at bitpos / unit * unit
2333 doesn't affect bits beyond bitregion_end.
2334 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
2335 would not fit into bitregion_start ... bitregion_end + 1 bit
2337 (store_split_bit_field): Decrease unit close to end of bitregion_end
2338 if access is restricted in order to avoid mutual recursion.
2340 2012-06-04 Georg-Johann Lay <avr@gjlay.de>
2342 Backport from 2012-06-04 mainline r188172
2345 * config/avr/avr-stdint.h: New file.
2346 * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
2349 2012-06-04 Jakub Jelinek <jakub@redhat.com>
2351 PR tree-optimization/53550
2352 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
2353 is POINTER_TYPE_P, use sizetype as step type instead of type.
2355 2012-06-04 Richard Guenther <rguenther@suse.de>
2356 Eric Botcazou <ebotcazou@adacore.com>
2358 Backport from mainline
2359 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
2361 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
2362 Change type of BITOFFSET to signed. Make sure the lower bound of
2363 the computed range is non-negative by adjusting OFFSET and BITPOS.
2364 (expand_assignment): Adjust call to get_bit_range.
2366 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
2368 * expr.c (get_bit_range): Return the null range if the enclosing record
2369 is part of a larger bit field.
2371 2012-03-20 Richard Guenther <rguenther@suse.de>
2373 * stor-layout.c (finish_bitfield_representative): Fallback
2374 to conservative maximum size if the padding up to the next
2375 field cannot be computed as a constant.
2376 (finish_bitfield_layout): If we cannot compute the distance
2377 between the start of the bitfield representative and the
2378 bitfield member start a new representative.
2379 * expr.c (get_bit_range): The distance between the start of
2380 the bitfield representative and the bitfield member is zero
2381 if the field offsets are not constants.
2383 2012-03-16 Richard Guenther <rguenther@suse.de>
2385 * stor-layout.c (finish_bitfield_representative): Fall back
2386 to the conservative maximum size if we cannot compute the
2387 size of the tail padding.
2389 2012-03-14 Richard Guenther <rguenther@suse.de>
2391 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
2392 * stor-layout.c (start_bitfield_representative): New function.
2393 (finish_bitfield_representative): Likewise.
2394 (finish_bitfield_layout): Likewise.
2395 (finish_record_layout): Call finish_bitfield_layout.
2396 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
2397 for QUAL_UNION_TYPE fields.
2398 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2399 Stream DECL_BIT_FIELD_REPRESENTATIVE.
2400 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2405 * expr.c (get_bit_range): Unconditionally extract bitrange
2406 from DECL_BIT_FIELD_REPRESENTATIVE.
2407 (expand_assignment): Adjust call to get_bit_range.
2409 2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
2412 * fold-const.c (fold_binary_loc): Refine previous change.
2414 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2416 Backport from mainline
2417 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
2420 * config/sh/sh.c (find_barrier): Add equality check of last_got to
2421 avoid going above orig insn. Update comments.
2423 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2425 Backport from mainline
2426 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
2429 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
2430 prologue for unwinder and profiler.
2432 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2434 Backport from mainline
2435 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2437 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
2439 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2441 Backport from mainline
2442 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2444 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
2445 DBX_REGISTER_NUMBER.
2447 2012-06-01 Oleg Endo <olegendo@gcc.gnu.org>
2449 Backport from mainline
2450 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
2452 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
2453 operand is CONST_INT. Take COSTS_N_INSNS into account.
2454 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
2457 2012-05-31 Georg-Johann Lay <avr@gjlay.de>
2459 * config/avr/avr.opt (-msp8): Document it.
2460 * doc/invoke.texi (AVR Options): Copy from trunk docu.
2462 2012-05-31 Richard Guenther <rguenther@suse.de>
2465 * expr.c (expand_assignment): Do not use movmisalign on
2468 2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2471 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
2472 (pa_section_type_flags): New.
2473 (pa_legitimate_constant_p): Revert previous change.
2475 2012-05-30 Aldy Hernandez <aldyh@redhat.com>
2477 Backport from mainline
2478 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
2481 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
2482 accessed indirectly.
2483 (ipa_tm_create_version): Same.
2485 2012-05-30 Jason Merrill <jason@redhat.com>
2488 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
2489 about array compound literals.
2491 2012-05-30 Richard Guenther <rguenther@suse.de>
2494 * fold-const.c (fold_binary_loc): Make sure to call
2495 fold_plusminus_mult_expr with the original sign of operands.
2497 2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
2499 * explow.c (probe_stack_range): Restore simple control flow and stop
2500 again when the probe cannot be generated if HAVE_check_stack.
2502 2012-05-30 Jakub Jelinek <jakub@redhat.com>
2504 PR rtl-optimization/53519
2505 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
2506 instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
2508 2012-05-29 Richard Guenther <rguenther@suse.de>
2510 PR tree-optimization/53516
2511 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
2513 * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
2515 2012-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
2517 Backport from mainline
2518 2012-05-28 Richard Guenther <rguenther@suse.de>
2520 PR tree-optimization/53438
2521 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
2523 2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
2525 Backport from mainline
2526 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2528 PR rtl-optimization/52528
2529 * combine.c (can_combine_p): Add setting of subst_low_luid
2530 before call to expand_field_assignment().
2532 2012-05-26 Martin Jambor <mjambor@suse.cz>
2534 Backport from mainline
2535 2012-05-23 Martin Jambor <mjambor@suse.cz>
2537 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
2539 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2542 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
2543 * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
2545 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
2548 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
2549 (ix86_expand_vec_perm): Use int mode instead of float.
2551 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
2554 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
2555 gnu_ld variables to yes.
2556 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
2557 (HAVE_GNU_AS): Likewise.
2558 * config.in: Regenerate.
2559 * configure: Likewise.
2561 2012-05-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2563 Backport from mainline
2564 2012-03-12 Richard Guenther <rguenther@suse.de>
2565 * config/arm/arm.c (neon_dereference_pointer): Do not call
2566 covert during RTL expansion.
2568 2012-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2570 Backport from mainline
2571 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2574 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2575 relied on signed overflow behavior.
2577 2012-05-24 Richard Guenther <rguenther@suse.de>
2580 * tree-profile.c (tree_profiling): Cleanup the CFG if
2581 execute_fixup_cfg requests it.
2583 2012-05-24 Jakub Jelinek <jakub@redhat.com>
2585 PR tree-optimization/53465
2586 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
2587 vr0 into *vr, then vrp_meet that.
2588 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
2589 have any equivalences.
2590 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
2593 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
2595 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
2597 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
2598 (iterative_hash_gimple_type): Adjust comment.
2599 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
2600 domain for an array type instead of the domain type itself.
2602 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
2604 Backport from 2012-05-23 mainline r187803
2607 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2608 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2611 2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2613 Backport from 2012-05-03 mainline r187075
2615 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2616 has_fma4 for AMD processors with both fma3 and fma4 support.
2618 2012-05-22 Richard Guenther <rguenther@suse.de>
2620 PR tree-optimization/53408
2621 * tree-vect-loop.c (vectorizable_induction): Properly check
2622 the restriction that we cannot handle induction results from
2623 the inner loop outside of the outer loop.
2625 2012-05-21 Jakub Jelinek <jakub@redhat.com>
2627 PR tree-optimization/53436
2628 * omp-low.c (omp_build_component_ref): New function.
2629 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2631 PR tree-optimization/53366
2632 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2633 tests if complex_numbers == 2, but there are non-complex number loads
2636 PR tree-optimization/53409
2637 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2638 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2640 PR tree-optimization/53410
2641 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2642 instead of build_int_cst (type, 0) where vector types might be
2645 2012-05-21 Joseph Myers <joseph@codesourcery.com>
2648 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2649 from folded operands before wrapping another around the
2650 conditional expression.
2652 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2653 Patrick Marlier <patrick.marlier@gmail.com>
2655 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2658 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2660 Backport from mainline
2661 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
2664 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2665 (UNSPECV_RDRAND): This.
2666 (rdrand<mode>_1): Updated.
2668 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2670 Backport from mainline
2671 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
2673 * config/i386/driver-i386.c (host_detect_local_cpu): Support
2674 RDRND, F16C and FSGSBASE.
2676 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
2678 Backport from mainline
2679 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
2681 * tree-ssa-pre.c (can_value_number_call): Delete.
2682 (compute_avail): Skip all statements with side effects.
2683 <GIMPLE_CALL>: Skip calls to internal functions.
2685 2012-05-18 David S. Miller <davem@davemloft.net>
2687 Backport r185385 from mainline
2688 2012-03-14 Richard Guenther <rguenther@suse.de>
2691 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2692 element type instead of mode, use build_vector_type_for_mode
2693 instead of the langhook, build a vector of proper signedness.
2694 (expand_vector_operations_1): Adjust.
2696 2012-05-18 Olivier Hainque <hainque@adacore.com>
2698 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2699 $(libsubdir) as libexecsubdir.
2701 2012-05-16 Andrew Pinski <apinski@cavium.com>
2703 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2706 2012-05-16 David S. Miller <davem@davemloft.net>
2708 * jump.c (delete_related_insns): If we remove a CALL, make sure
2709 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2711 2012-05-16 Richard Henderson <rth@redhat.com>
2714 * combine-stack-adj.c (prev_active_insn_bb): New.
2715 (next_active_insn_bb): New.
2716 (force_move_args_size_note): New.
2717 (combine_stack_adjustments_for_block): Use it.
2719 2012-05-16 Olivier Hainque <hainque@adacore.com>
2721 * Makefile.in (install-no-fixedincludes): New target, former toplevel
2722 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2723 Add comments and improve stamp preservation across the whole sequence.
2724 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2726 2012-05-16 Richard Guenther <rguenther@suse.de>
2728 PR tree-optimization/53364
2729 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2730 detect a view-conversion of the decl.
2732 2012-05-15 Jakub Jelinek <jakub@redhat.com>
2735 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2736 that operands[2] is either immediate, or q_regs_operand.
2738 2012-05-15 Bin Cheng <bin.cheng@arm.com>
2740 Backport r187139 from mainline.
2741 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2743 PR rtl-optimization/52804
2744 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2745 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2746 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2747 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2748 RELOAD_FOR_OUTADDR_ADDRESS.
2750 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
2753 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2754 generate target register for "load" class builtins.
2757 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2761 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2762 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2763 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2764 (<sse>_movu<ssemodesuffix>): New expander.
2765 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2766 (avx_movdqu<avxmodesuffix>): New expander.
2767 (*sse2_movdqu): Rename from sse2_movdqu.
2768 (sse2_movdqu): New expander.
2770 2012-05-14 Jakub Jelinek <jakub@redhat.com>
2772 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2773 lineno 1 the same as lineno 0 before first start file directive.
2774 (optimize_macinfo_range): Likewise.
2776 * dwarf2out.c (have_macinfo): Define.
2777 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2778 attribute, don't force empty compilation unit and don't emit any
2779 .debug_macinfo/.debug_macro section if macinfo_table is empty.
2781 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
2783 Backport from mainline
2784 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
2786 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2787 ORDERED and UNORDERED conditions.
2789 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
2791 * function.c (requires_stack_frame_p): If the function can throw
2792 non-call exceptions, return true if the insn can throw internally.
2794 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
2796 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
2797 DECL_ORIGINAL_TYPE if it is present.
2799 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
2801 Backport from 2012-05-12 mainline r187342.
2804 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
2805 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
2806 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
2807 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
2808 (expand_prologue): Move initialization of cfun->machine->is_naked,
2809 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
2810 (avr_set_current_function): ...this new static function.
2811 (TARGET_SET_CURRENT_FUNCTION): New define.
2812 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
2813 checking attributes of current_function_decl.
2814 (avr_regs_to_save): Ditto.
2815 (signal_function_p): Rename to avr_signal_function_p.
2816 (interrupt_function_p): Rename to avr_interrupt_function_p.
2818 * doc/extend.texi (Function Attributes): Better explanation of
2819 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
2822 2012-05-09 Matthias Klose <doko@ubuntu.com>
2824 * gcc-ar.c (main): Don't check for execute bits for the plugin.
2826 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
2829 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
2830 when a constant source operand matches an "I" constraint, the "no
2831 CC0 change" applies to a register-destination only, not a
2832 strict_low_part-destination.
2834 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2836 Backport from mainline:
2837 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2839 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
2841 2012-05-07 Jakub Jelinek <jakub@redhat.com>
2843 PR tree-optimization/53239
2844 * tree-vrp.c (get_value_range): Set VR of
2845 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
2848 2012-05-07 Richard Guenther <rguenther@suse.de>
2850 PR tree-optimization/53195
2851 * tree-inline.c (setup_one_parameter): Properly add referenced
2852 vars from the parameters new known value.
2854 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2856 Backport from mainline:
2857 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2860 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2863 2012-05-04 Ian Lance Taylor <iant@google.com>
2865 * tree-vect-patterns.c (vect_single_imm_use): Correct return
2866 values from false to NULL.
2868 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2870 Backport from mainline
2871 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2874 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2875 (TARGET_CMOV): Rename from TARGET_CMOVE.
2876 (TARGET_CMOVE): New define.
2877 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2878 Do not set TARGET_CMOVE here.
2880 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2882 Backport from mainline:
2884 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2886 PR tree-optimization/52633
2887 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2888 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2889 (vect_recog_over_widening_pattern): Remove handling of code that was
2890 already detected as over-widening pattern. Remove special handling
2891 of "unsigned" cases. Instead, support general case of conversion
2892 of the shift result to another type.
2894 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2896 * tree-vect-patterns.c (vect_single_imm_use): New function.
2897 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2898 (vect_recog_over_widening_pattern): Likewise.
2899 (vect_recog_widen_shift_pattern): Likewise.
2901 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
2903 PR tree-optimization/52870
2904 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2905 presumed pattern statement is within the same loop or basic block.
2907 2012-05-04 Richard Guenther <rguenther@suse.de>
2909 * common.opt (flto-report): Do not mark as Optimization.
2911 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2914 * recog.c (constrain_operands): If extra constraints are present, also
2915 accept pseudo-registers with equivalent memory locations during reload.
2917 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2919 Backport from the mainline
2920 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2923 * config/rs6000/rs6000.md (bswapdi splitters): If
2924 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2925 default) is used, generate an alternate sequence that does not
2926 depend on using indexed addressing.
2928 2012-05-03 David S. Miller <davem@davemloft.net>
2931 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2932 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2933 (sparc_emit_float_lib_cmp): Likewise.
2935 2012-05-04 Martin Jambor <mjambor@suse.cz>
2937 Backport from mainline
2938 2012-05-02 Martin Jambor <mjambor@suse.cz>
2941 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2942 of a variable when the contect is a function.
2944 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2947 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2948 append program name to it and pass that as first argument
2949 to make_relative_prefix. Always pass standard_libexec_prefix
2950 as last argument to make_relative_prefix. If
2951 make_relative_prefix returns NULL, fall back to
2952 standard_libexec_prefix.
2955 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2959 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2960 mode, return that mode.
2962 2012-05-03 Richard Guenther <rguenther@suse.de>
2964 PR tree-optimization/53144
2965 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2967 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2968 with SSA name values.
2969 (vn_reference_lookup_3): Adjust callers.
2971 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2973 PR tree-optimization/53163
2974 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2975 return value from compute_all_dependences.
2977 PR rtl-optimization/53160
2978 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2979 has been modified by ree pass already.
2981 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
2983 Backport from mainline
2984 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2987 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2988 calls to cgraph_node_name in xstrdup.
2989 (ipa_make_edge_direct_to_target): Ditto.
2990 * tree-sra.c (convert_callers_for_node): Ditto.
2991 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2992 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2993 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2994 (cgraph_materialize_all_clones): Ditto.
2995 * ipa-inline.c (report_inline_failed_reason): Ditto.
2996 (want_early_inline_function_p): Ditto.
2997 (edge_badness): Ditto.
2998 (update_edge_key): Ditto.
2999 (flatten_function): Ditto.
3000 (ipa_inline): Ditto.
3001 (inline_always_inline_functions): Ditto.
3002 (early_inline_small_functions): Ditto.
3004 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
3006 Backport from mainline
3007 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
3009 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
3010 Introduce emul_name to select the right linker emulation for
3011 powerpc64-*-freebsd*.
3012 * configure: Regenerate.
3013 * config.gcc: Add bits to support powerpc64-*-freebsd*.
3014 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
3015 * config/rs6000/freebsd64.h: New file.
3016 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
3018 (rs6000_savres_strategy): Likewise.
3019 (rs6000_savres_routine_name): Likewise.
3020 (rs6000_elf_file_end): Likewise.
3021 * config/rs6000/t-freebsd64: New file.
3022 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
3023 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
3025 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3027 Backport from mainline
3028 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
3031 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3033 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
3035 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3036 predicate to discriminate types.
3038 2012-04-27 Richard Guenther <rguenther@suse.de>
3041 * convert.c (convert_to_integer): Avoid infinite recursion for
3042 target-defined built-in types.
3044 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
3047 * config/cris/cris.md ("*andhi_lowpart_v32")
3048 ("*andqi_lowpart_v32"): Change first input-only operand from
3049 a (match_operand ...) to (match_dup 0). Drop alternatives with
3050 const_int-matching constraints for redundancy.
3051 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
3052 three-operand alternative.
3054 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
3056 Backport from mainline
3057 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
3059 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3060 (*addsi_2_zext): Ditto.
3061 (*add<mode>_3): Ditto.
3062 (*addsi_3_zext): Ditto.
3063 (*add<mode>_5): Ditto.
3065 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3068 * c-typeck.c (set_nonincremental_init,
3069 set_nonincremental_init_from_string): Pass true instead of false
3070 as IMPLICIT to add_pending_init.
3072 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3074 Backport from 2012-04-24 mainline r186768.
3077 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3079 2012-04-24 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/53085
3082 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3085 2012-04-24 Jakub Jelinek <jakub@redhat.com>
3088 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
3090 (output_addressed_constants): Likewise.
3093 * varasm.c (get_section): Don't ICE for section conflicts with
3094 built-in section kinds.
3096 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
3098 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3100 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
3102 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3104 2012-04-23 Richard Guenther <rguenther@suse.de>
3107 * c-typeck.c (build_binary_op): Fix typo.
3109 2012-04-23 Jakub Jelinek <jakub@redhat.com>
3111 PR tree-optimizations/52891
3112 * tree-vect-patterns.c (adjust_bool_pattern): Use
3113 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3114 but with non-standard precision.
3116 2012-04-22 Ian Lance Taylor <iant@google.com>
3118 * godump.c (go_output_typedef): Dump size of structs.
3120 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
3122 Backport from mainline:
3124 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
3125 hints for 'A' operand types.
3127 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
3129 Backport from 2012-04-19 mainline r186588.
3132 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
3133 the case *(X+const).
3135 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
3137 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
3139 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
3142 * config/i386/sync.md (atomic_<code><mode>): Rename to
3143 atomic_<logic><mode>.
3145 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
3147 Backport from mainline
3148 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
3151 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
3152 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
3153 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
3154 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
3155 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
3156 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
3157 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
3158 gen_avx2_permvarv8sf.
3160 2012-04-16 Martin Jambor <mjambor@suse.cz>
3162 Backported from mainline
3164 2012-04-13 Martin Jambor <mjambor@suse.cz>
3167 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
3168 fold_ctor_reference returns a zero constant.
3170 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3172 Backported from mainline
3173 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3175 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
3176 and __ILP32__ for x32.
3178 2012-04-13 Tom de Vries <tom@codesourcery.com>
3180 Backport from mainline r186418.
3182 2012-04-13 Tom de Vries <tom@codesourcery.com>
3184 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
3185 parameters vuse and vuse_escaped.
3186 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
3187 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
3190 2012-04-13 Richard Guenther <rguenther@suse.de>
3192 PR tree-optimization/52969
3193 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
3194 the condition for the COND_EXPR and handle predicate negation
3195 by swapping the COND_EXPR arms.
3197 2012-04-13 Richard Guenther <rguenther@suse.de>
3200 * convert.c (convert_to_pointer): Remove special-casing of
3203 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3205 Backport from mainline
3206 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3209 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
3210 the list of options to enable the FCFID instruction.
3211 (TARGET_EXTRA_BUILTINS): Adjust comment.
3213 2012-04-12 Richard Guenther <rguenther@suse.de>
3215 PR tree-optimization/52943
3216 * tree-chrec.h (chrec_is_positive): Remove.
3217 * tree-scalar-evolution.c (chrec_is_positive): Move ...
3218 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
3219 Return false for a constant zero instead of negative.
3220 (analyze_siv_subscript_cst_affine): Handle zero difference
3221 in the initial condition explicitely.
3223 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3226 * varasm.c (process_pending_assemble_externals): Set
3227 pending_assemble_externals_processed true.
3228 (assemble_external): Call assemble_external_real if the pending
3229 assemble externals have been processed.
3231 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
3234 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
3235 the DECL generated for the special GOT helper.
3237 2012-04-06 Walter Lee <walt@tilera.com>
3239 Backport from mainline
3240 2012-03-07 Walter Lee <walt@tilera.com>
3242 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
3243 REG_CFA_* notes for the stack pointer.
3244 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
3245 EH_RETURN_STACKADJ_RTX.
3246 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
3247 generate REG_CFA_* notes for the stack pointer.
3248 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
3249 by EH_RETURN_STACKADJ_RTX.
3251 2012-04-06 Matt Turner <mattst88@gmail.com>
3253 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
3255 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
3257 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
3258 of the destination isn't also a FP_REGS register.
3260 2012-04-03 Richard Guenther <rguenther@suse.de>
3262 Backport from mainline
3263 2012-03-02 Richard Guenther <rguenther@suse.de>
3265 PR tree-optimization/52406
3266 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
3267 (struct indices): Add unconstrained_base member.
3268 (struct dr_alias): Remove unused vops member.
3269 (DR_UNCONSTRAINED_BASE): New define.
3270 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
3271 add indices to allow their disambiguation. Make DR_BASE_OBJECT
3272 be an artificial access that covers the whole indexed object,
3273 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
3274 plain decl base-objects to their MEM_REF variant.
3275 (dr_may_alias_p): When the base-object of either data reference
3276 has unknown size use only points-to information.
3277 (compute_affine_dependence): Make dumps easier to read and
3279 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
3280 DR_REF when looking for packed references.
3281 (vect_supportable_dr_alignment): Likewise.
3283 2012-04-03 Richard Guenther <rguenther@suse.de>
3285 Backport from mainline
3286 2012-03-15 Richard Guenther <rguenther@suse.de>
3289 * tree-data-ref.c (subscript_dependence_tester_1): Check
3290 all dimensions for non-conflicting access functions.
3292 2012-04-03 Richard Guenther <rguenther@suse.de>
3294 Backport from mainline
3295 2012-03-06 Richard Guenther <rguenther@suse.de>
3298 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
3300 2012-03-23 Richard Guenther <rguenther@suse.de>
3302 PR tree-optimization/52678
3303 * tree-vectorizer.h (struct _stmt_vec_info): Add
3304 loop_phi_evolution_part member.
3305 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
3306 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
3307 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
3308 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3309 Use the cached evolution part and the PHI nodes value from
3310 the loop preheader edge instead of re-analyzing the evolution.
3312 2012-03-26 Richard Guenther <rguenther@suse.de>
3314 PR tree-optimization/52701
3315 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
3316 compute and set the evolution part of PHI nodes.
3318 2012-03-30 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/52754
3321 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
3322 propagate arbitrary addresses into really plain dereferences.
3324 2012-04-03 Jakub Jelinek <jakub@redhat.com>
3326 PR tree-optimization/52835
3327 * tree-data-ref.c (build_rdg): Return NULL if
3328 compute_data_dependences_for_loop failed.
3330 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
3332 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
3333 (stmt_can_make_abnormal_goto): Use it.
3334 (is_ctrl_altering_stmt): Likewise.
3336 2012-03-31 Martin Jambor <mjambor@suse.cz>
3338 Backported from mainline
3339 2012-03-30 Martin Jambor <mjambor@suse.cz>
3341 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
3342 is a builtin_stack_save in a dominating BB.
3344 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
3346 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
3347 crossing 128bit lane boundary.
3349 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
3351 Backported from mainline
3352 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
3355 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
3357 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
3358 * config/i386/i386.c: Include reload.h.
3359 (ix86_legitimize_reload_address): New function.
3361 2012-03-28 Martin Jambor <mjambor@suse.cz>
3363 Backported from mainline
3364 2012-03-27 Martin Jambor <mjambor@suse.cz>
3367 * tree-sra.c (sra_modify_assign): Do not call
3368 load_assign_lhs_subreplacements when working with an unscalarizable
3371 2012-03-28 Jakub Jelinek <jakub@redhat.com>
3374 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
3375 __builtin_va_start to __builtin_next_arg if the latter is
3376 builtin_decl_explicit_p rather than when it is not.
3379 * tree-vect-generic.c (vector_element): Perform multiplication
3380 for pos in bitsizetype type instead of idx type.
3382 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
3384 Backport from 2012-03-28 mainline r185910.
3387 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
3388 (avr_builtin_decl): New static function.
3389 (struct avr_builtin_description, avr_bdesc): Move up.
3390 Add GTY marker. Add field fndecl. Remove redundant field id.
3391 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
3392 (avr_expand_builtin): Code cleanup because .id is removed.
3394 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
3397 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
3400 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
3402 Backport from 2012-03-28 mainline r185907.
3405 * config.gcc (tm_file): Remove avr/multilib.h.
3407 * doc/invoke.texi (AVR Options): Adjust
3408 documentation of -mtiny-stack.
3410 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
3411 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
3412 * config/avr/t-avr: Remove generation of multilib.h.
3413 * config/avr/t-multilib: Regenerate.
3414 * config/avr/multilib.h: Remove.
3415 * config/avr/avr.opt (-msp8): New option.
3416 (avr_sp8): New variable.
3417 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
3418 * config/avr/avr.h (AVR_HAVE_SPH): New define.
3419 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
3420 (avr_device_to_sp8): New prototype.
3421 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
3422 (DRIVER_SELF_SPECS): New define.
3423 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
3424 __AVR_SP8__, __AVR_HAVE_SPH__.
3425 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
3426 AVR_HAVE_8BIT_SP to decide if SP_H is present.
3427 (avr_file_start): Ditto.
3429 2012-03-28 Jakub Jelinek <jakub@redhat.com>
3432 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
3433 instead of 8 in adjust_address.
3435 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
3437 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
3438 of a unit before computing the offset in units.
3440 2012-03-27 Richard Guenther <rguenther@suse.de>
3443 * fold-const.c (try_move_mult_to_index): Handle &x.array more
3446 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
3449 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
3451 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
3454 * varasm.c: Include pointer-set.h.
3455 (pending_assemble_externals_set): New pointer set.
3456 (process_pending_assemble_externals): Destroy the pointer set.
3457 (assemble_external): See if decl is in pending_assemble_externals_set,
3458 and add it to pending_assemble_externals if necessary.
3459 (init_varasm_once): Allocate pending_assemble_externals_set.
3461 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3463 Backported from mainline
3464 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
3467 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
3468 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
3469 (vector_ltgt<mode>): Likewise.
3470 (vector_ordered<mode>): Likewise.
3471 (vector_unordered<mode>): Likewise.
3472 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
3474 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
3476 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
3479 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
3481 Backported from mainline
3482 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
3486 * config/sh/sh.c (sh_register_move_cost): Increase cost between
3487 GENERAL_REGS and FP_REGS for SImode.
3489 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3492 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
3493 on any new_local_var_chain vars declared during recursing on
3494 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
3496 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3498 Backport from 2012-03-22 mainline r185692.
3501 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
3502 (unspecv): Add UNSPECV_MEMORY_BARRIER.
3503 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
3504 (delay_cycles_1, delay_cycles_2): Ditto.
3505 (delay_cycles_3, delay_cycles_4): Ditto.
3506 (nopv, *nopv): Ditto.
3507 (sleep, *sleep): Ditto.
3510 Backport from 2012-03-21 mainline r185605.
3512 PR rtl-optimization/52543
3514 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
3515 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
3516 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
3517 (avr_load_libgcc_p): Restrict to __flash loads.
3518 (avr_out_lpm): Only handle 1-byte loads from __flash.
3519 (avr_load_lpm): New function.
3520 (avr_find_unused_d_reg): Remove.
3521 (avr_out_lpm_no_lpmx): Remove.
3522 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
3523 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
3524 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
3525 (load_<mode>, load_<mode>_clobber): New insns.
3526 (mov<mode>): For multi-byte move from non-generic
3527 16-bit address spaces: Expand to load_<mode> resp.
3528 load_<mode>_clobber.
3529 (load<mode>_libgcc): Remove expander.
3530 (split-lpmx): Remove split.
3532 Backport from 2012-03-13 mainline r185329.
3535 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
3536 offset (size) to a value the insns can deal with.
3537 (expand_epilogue): Ditto.
3539 Backport from 2012-03-12 mainline r185256.
3542 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
3543 type from reg_class_t to enum reg_class.
3544 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3546 Backport from 2012-03-12 mainline r185253.
3549 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
3550 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
3551 r184615 from 2012-02-28.
3553 Backport from 2012-03-08 mainline r185105.
3555 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
3556 for constants in [-63,63].
3558 Backport from 2012-03-08 mainline r185100.
3561 * config/avr/avr.c (avr_mem_clobber): New static function.
3562 (avr_expand_delay_cycles): Add memory clobber operand to
3563 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
3564 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
3565 (enable_interrupt, disable_interrupt): New expander.
3566 (nopv, sleep, wdr): New expanders.
3567 (delay_cycles_1): Add memory clobber.
3568 (delay_cycles_2): Add memory clobber.
3569 (delay_cycles_3): Add memory clobber.
3570 (delay_cycles_4): Add memory clobber.
3571 (cli_sei): New insn from former "enable_interrupt",
3572 "disable_interrupt" with memory clobber.
3573 (*wdt): New insn from former "wdt" with memory clobber.
3574 (*nopv): Similar, but for "nopv".
3575 (*sleep): Similar, but for "sleep".
3577 Backport from 2012-03-07 mainline r185043.
3580 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
3582 Backport from 2012-03-07 mainline r185032.
3585 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3586 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3587 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3589 Backport from 2012-03-07 mainline r185031.
3592 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3594 * config/avr/avr.md (xload_8): Adjust insn length.
3596 Backport from 2012-03-07 mainline r185030.
3599 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3600 if RAMPZ affects reading from RAM.
3602 Backport from 2012-03-05 mainline r184919.
3604 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3606 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
3608 Backport from mainline r185259.
3611 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
3612 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
3614 2012-03-22 Jakub Jelinek <jakub@redhat.com>
3616 Backported from mainline
3617 2012-03-13 Jakub Jelinek <jakub@redhat.com>
3620 * c-parser.c (c_parser_postfix_expression)
3621 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
3623 * config/i386/smmintrin.h: Avoid /* within a comment.
3624 * config/i386/nmmintrin.h: Likewise.
3626 2012-03-22 Richard Guenther <rguenther@suse.de>
3628 * BASE-VER: Set to 4.7.1.
3629 * DEV-PHASE: Set to prerelease.
3631 2012-03-22 Release Manager
3633 * GCC 4.7.0 released.
3635 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3637 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
3639 2012-03-15 Jakub Jelinek <jakub@redhat.com>
3640 Andrew Pinski <apinski@cavium.com>
3643 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
3644 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
3645 calls instead of __builtin_ir{int,ound}*.
3647 2012-03-14 Jakub Jelinek <jakub@redhat.com>
3650 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
3653 2012-03-13 Joseph Myers <joseph@codesourcery.com>
3655 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
3656 Refer to GCC 4.7 version of c99status.html.
3658 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3660 Backport from mainline
3661 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3663 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
3664 redefine to be NULL if the current bit-size is different from the
3665 configured bit-size.
3667 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
3668 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
3669 set the default tuning. Add asserts to make sure the cpu and tune
3670 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
3671 test whether the index is set, instead of > 0.
3672 (rs6000_file_start): Do not reset the default cpu if the current
3673 bit-size is different from the configured bit-size.
3675 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3677 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
3679 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
3680 Update binutils references.
3681 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
3682 Update binutils reference.
3683 Update Sun as/GNU ld caveat.
3684 Document binutils largefile requirement for LTO plugin.
3685 Remove reference to alternate libpthread.
3687 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3689 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
3691 (Specific, mips-sgi-irix6): Likewise.
3693 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3695 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
3696 * configure: Regenerate.
3698 2012-03-07 Richard Henderson <rth@redhat.com>
3700 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3701 * config/m68k/sync.md (atomic_test_and_set): Use it.
3702 (atomic_test_and_set_1): Likewise.
3704 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3707 * Makefile.in: Let install-gcc-ar depend on installdirs,
3708 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3709 Don't double canonicalize if cross-compiling.
3711 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3713 * trans-mem.c: New typedef for tm_region_p.
3714 Define vector types for tm_region_p.
3715 (tm_region_init): Replace region_worklist to a vector called
3718 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3721 * trans-mem.c (tm_region_init): Use last_basic_block.
3723 2012-03-05 Richard Henderson <rth@redhat.com>
3726 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3727 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3728 BIGGEST_ALIGNMENT is aligned.
3730 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3732 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3734 2012-03-05 Richard Henderson <rth@redhat.com>
3737 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3738 instead of calling negqi2 directly.
3740 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3742 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
3743 (INTMAX_TYPE): Use it.
3744 (UINTMAX_TYPE): Likewise.
3745 (SUBTARGET_OVERRIDE_OPTIONS): Define.
3746 (irix6_c_common_override_options): Declare.
3747 (C_COMMON_OVERRIDE_OPTIONS): Define.
3748 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
3749 * config/mips/irix6-c.c: New file.
3750 * config/mips/t-irix6 (irix6-c.o): New target.
3751 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
3754 2012-03-02 Richard Henderson <rth@redhat.com>
3756 * optabs.c (expand_atomic_test_and_set): Honor
3757 atomic_test_and_set_trueval even when atomic_test_and_set
3758 optab is not in use.
3760 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3762 Backport from mainline
3763 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3765 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3767 2012-03-02 Richard Guenther <rguenther@suse.de>
3769 * DEV-PHASE: Set to prerelease.
3771 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3773 * config.gcc (obsolete): Add all ARM targets using the FPA.
3774 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3775 * doc/install.texi: Avoid references to obsolete ARM ports.
3777 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3779 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3781 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3782 Joern Rennecke <joern.rennecke@embecosm.com>
3784 * doc/extend.texi: Expand and update information on interrupt
3785 attribute for Epiphany.
3787 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3789 * config/sh/sh-protos.h: Update copyright notice dates.
3790 * config/sh/sh.h: Likewise.
3791 * config/sh/sh.md: Likewise.
3792 * config/sh/constraints.md: Likewise.
3793 * config/sh/predicates.md: Likewise.
3795 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3797 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3798 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3800 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3802 * config/sh/constraints.md: Fix comment typo.
3804 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3807 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3808 unsigned HOST_WIDE_INT.
3809 (zvdep_imm64): Likewise.
3810 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3811 (vdepi_and): Likewise.
3812 Likewise for unamed 64-bit patterns.
3813 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3815 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3818 PR rtl-optimization/52417
3819 * cselib.c (cselib_any_perm_equivs): New variable.
3820 (cselib_reset_table): Check that it's not set when not
3821 preserving constants.
3822 (cselib_add_permanent_equiv): Set it.
3823 (cselib_have_permanent_equivalences): New.
3824 (cselib_init, cselib_finish): Reset it.
3825 * cselib.h (cselib_have_permanent_equivalences): Declare.
3826 * alias.c (get_addr): Restore earlier behavior when there
3827 aren't permanent equivalences.
3829 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3831 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3832 * config/v850/v850-modes.def: Fix copyright notice.
3834 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3836 * doc/extend.texi (AVR Built-in Functions): Document
3837 __builtin_avr_flash_segment.
3839 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3840 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3841 (*split.flash_segment): New insn-and-split.
3842 * config/avr/avr.c (avr_init_builtins): Add local variables:
3843 const_memx_void_node, const_memx_ptr_type_node,
3844 char_ftype_const_memx_ptr.
3846 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3848 PR tree-optimization/52445
3849 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3850 add ssa_name_ver, offset and size fields and change store field
3852 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3853 (add_or_mark_expr): Likewise. Only consider previous stores
3854 with the same size and offset.
3855 (nt_init_block): Only look at gimple_assign_single_p stmts,
3856 doesn't look at rhs2.
3858 2012-03-01 Richard Guenther <rguenther@suse.de>
3861 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3862 conversions from integral types to pointer types.
3864 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3866 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3867 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3868 unintentionally removed in r184616.
3870 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3872 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3875 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3876 Uros Bizjak <ubizjak@gmail.com>
3879 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3880 alternatives, add "e" constraint to the new last alternative
3881 and ! to last 3 alternatives.
3883 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3885 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3886 DW_AT_artificial attributes at the end of the processing.
3887 (gen_array_type_die): Likewise.
3888 (gen_enumeration_type_die): Likewise.
3889 (gen_struct_or_union_type_die): Likewise.
3890 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3893 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3896 * expr.c (expand_assignment): If doing misaligned store that doesn't
3897 cover all mode bits, perform a RMW cycle.
3899 PR tree-optimization/52429
3900 * tree-parloops.c (separate_decls_in_region_debug): Return early
3901 if var is LABEL_DECL.
3903 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3905 PR tree-optimization/52424
3906 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3907 calling dom_thread_across_edge.
3909 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3911 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3913 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3915 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3916 * config/avr/avr.c (avr_output_bld): Remove unused function.
3917 (avr_out_sbxx_branch): Use "%T" to print bit position.
3919 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3921 * config/avr/avr.md: Untabify.
3923 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3925 * config/avr/avr.md (eqne): New code iterator.
3926 (*dec-and-branchsi): Use it in text peephole's condition.
3927 (*dec-and-branchhi): Ditto.
3928 (*dec-and-branchqi): Ditto.
3930 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3933 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3934 the device does not have the skip-bug.
3936 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3938 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3939 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3940 -mpretend-cmove): New.
3942 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3945 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3946 doesn't count DEBUG_INSN refs.
3947 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3948 for DEBUG_INSN refs.
3950 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3954 2012-02-20 Richard Guenther <rguenther@suse.de>
3955 PR tree-optimization/52298
3956 * tree-vect-stmts.c (vectorizable_load): Properly use
3957 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3960 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3963 * gimple.h (gimple_in_transaction): New.
3964 (gimple_set_in_transaction): New.
3965 (struct gimple_statement_base): Add in_transaction field.
3966 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3968 (tree_ssa_lim_initialize): Compute transaction bits.
3969 * tree.h (compute_transaction_bits): Protoize.
3970 * trans-mem.c (tm_region_init): Use the heap to store BB
3972 (compute_transaction_bits): New.
3974 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3976 * gcc.c (display_help): Document --help=common and sort entries
3979 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3981 * doc/install.texi: Document check-$LANG specific shortcuts
3983 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3986 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3988 * config/arm/arm_neon.h: Regenerate.
3989 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3990 (neon_vcgeu): New insn.
3991 (neon_vcgtu): Likewise.
3992 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3993 (ops): Unsigned comparison intrinsics call a different
3996 2012-02-28 Richard Guenther <rguenther@suse.de>
3999 * config/i386/i386.c (ix86_expand_vector_set): Fix element
4000 ordering for the VEC_CONCAT for two element vectors for
4001 V2SFmode, V2SImode and V2DImode.
4003 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4006 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
4007 detecting big-endian triplets.
4009 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
4011 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
4012 mode if there is no type information available.
4014 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
4016 PR tree-optimization/53207
4017 * doc/invoke.texi: Document as experimental and relying on graphite.
4019 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4021 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
4022 of initializer to changes from r184614.
4024 2012-02-28 Richard Guenther <rguenther@suse.de>
4026 PR tree-optimization/52395
4027 * tree-sra.c (build_ref_for_offset): Also look at the base
4028 TYPE_ALIGN when figuring out the alignment of the replacement.
4030 2012-02-28 Richard Guenther <rguenther@suse.de>
4032 PR tree-optimization/52402
4033 * ipa-prop.c (ipa_modify_call_arguments): Properly use
4034 mis-aligned types when creating the accesses at the call site.
4036 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4038 * config/avr/builtins.def: New file.
4039 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
4040 * config/avr/avr.c (enum avr_builtin_id): Use it.
4041 (avr_init_builtins): Use it. And use avr_bdesc.
4042 (bdesc_1arg): Remove.
4043 (bdesc_2arg): Remove.
4044 (bdesc_3arg): Remove.
4045 (struct avr_builtin_description): Add field n_args.
4046 (avr_bdesc): New static variable using builtins.def.
4047 (avr_expand_builtin): Use it.
4048 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
4049 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
4050 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
4052 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4055 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
4056 match only one single hard register with respective hard reg rtx.
4057 (movmemx_<mode>): Ditto.
4058 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
4059 insn anatomy of movmem[x]_<mode>.
4060 (avr_out_movmem): Same for printing assembler and operand usage.
4062 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4066 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
4067 address spaces located outside of device flash.
4069 * config/avr/avr.h (base_arch_s): Remove field n_segments.
4070 (mcu_type_s): Add field n_flash.
4071 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
4072 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
4073 (AVR_MCU): Add N_FLASH argument.
4074 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
4075 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
4076 macro __FLASH<n> if that address space makes sense for the device.
4077 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
4078 outside of target flash.
4079 (avr_asm_named_section): Ditto.
4080 (avr_asm_select_section): Ditto.
4081 (avr_addr_space_convert): Ditto.
4082 (avr_emit_movmemhi): Ditto.
4083 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
4084 address space is outside of device flash.
4085 (avr_insert_attributes): Ditto.
4086 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
4087 avr_current_arch->n_segments.
4089 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
4092 * config/i386/i386.md (*movabs<mode>_1): Enable only for
4094 (*movabs<mode>_2): Likewise.
4096 2012-02-27 Jakub Jelinek <jakub@redhat.com>
4099 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
4100 s_register_operand in the test instead of REG_P. Don't call
4101 gen_reg_rtx if it won't be used.
4103 PR tree-optimization/52376
4104 * ipa-split.c (split_function): Ignore CLOBBER stmts.
4106 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
4108 * ifcvt.c (noce_get_condition): Check condition variable is not
4109 small_register_classes_for_mode_p before accepting.
4111 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
4113 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
4115 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4118 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4119 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4121 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4123 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
4125 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
4127 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
4129 * config/sh/predicates.md: Remove blank lines.
4130 * config/sh/sh.c: Fix typos in comments.
4131 * config/sh/constraints.md: Likewise.
4132 * config/sh/sh.md: Remove blank lines.
4133 Fix typos in comments. Use ;; as comment characters.
4135 2012-02-26 Walter Lee <walt@tilera.com>
4137 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
4138 (replace_mov_pcrel_step2): Ditto.
4140 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
4143 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
4144 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
4145 and locs that reference values newer than the non-canonical value
4146 at hand. Return the canonical value as a worst case.
4147 (memrefs_conflict_p): Walk canonical value's locs.
4150 * cselib.c (preserve_only_constants): Rename to...
4151 (preserve_constants_and_equivs): ... this. Split out...
4152 (invariant_or_equiv_p): ... this. Preserve plus expressions
4153 of other preserved expressions too.
4154 (cselib_reset_table): Adjust.
4155 * var-tracking.c (reverse_op): Use canonical value to build
4158 2012-02-23 Kai Tietz <ktietz@redhat.com>
4160 * config/i386/i386.c (ix86_delegitimize_address): Handle
4161 UNSPEC_PCREL plus displacement.
4163 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
4166 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
4167 to test for unusedness in st X addressing.
4169 2012-02-24 Richard Guenther <rguenther@suse.de>
4172 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
4173 (is_gimple_reg_type): Move inline ...
4174 * gimple.h (is_gimple_reg_type): ... here.
4176 2012-02-24 Richard Guenther <rguenther@suse.de>
4179 * passes.c (execute_function_todo): When verifying SSA form
4180 verify gimple form first.
4181 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
4183 2012-02-24 Richard Guenther <rguenther@suse.de>
4186 * fold-const.c (fold_addr_of_array_ref_difference): New function.
4187 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
4189 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4191 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
4193 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4195 * tree-phinodes.c (make_phi_node): Mark static.
4196 * tree-flow.h (make_phi_node): Remove extern decl.
4197 * doc/gimple.texi (make_phi_node): Remove documentation.
4199 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4201 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
4202 * tree-ssa-sccvn.c (print_scc): Ditto.
4204 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4206 * doc/passes.texi (Full redundancy elimination): Fix typo.
4208 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4210 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
4212 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
4215 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
4217 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
4220 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
4222 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
4224 * config/avr/avr.md (code_stdname): Add ior, xor.
4225 (xior): New code iterator.
4226 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
4227 (*<code_stdname><mode>qi.byte1-3): Ditto.
4229 2012-02-23 Jakub Jelinek <jakub@redhat.com>
4231 PR tree-optimization/52019
4232 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
4235 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4237 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
4238 HAVE_INITFINI_ARRAY to work around namespace pollution in
4239 certain versions of newlib system headers.
4240 * config.in: Regenerate.
4241 * configure: Regenerate.
4242 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
4243 instead of HAVE_INITFINI_ARRAY.
4245 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
4248 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
4249 is not offsettable memory reference.
4251 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4254 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
4255 setting avr_need_clear_bss_p for __gnu_lto* symbols.
4257 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4259 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
4260 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
4262 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4264 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
4265 library on Solaris 8 even without TLS support.
4266 * configure: Regenerate.
4268 2012-02-22 Richard Guenther <rguenther@suse.de>
4271 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
4272 for GIMPLE_DEBUG stmts.
4274 2012-02-22 Martin Jambor <mjambor@suse.cz>
4277 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
4278 according to the base object.
4280 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
4282 PR rtl-optimization/50063
4283 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
4284 and 2 (8-bit SP) in operand 2.
4285 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
4286 setup to use movhi_sp_r instead of vanilla move to write SP.
4287 Adjust REG_CFA notes to superseed unspec.
4288 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
4290 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
4291 known to be off) only with TARGET_NO_INTERRUPTS. Never use
4292 irq_state 1 (IRQ known to be on) here.
4294 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
4296 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
4298 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
4299 assign_hard_reg): Likewise.
4301 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4303 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
4305 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4308 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
4309 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
4311 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4313 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
4314 prototype from here to...
4315 * config/avr/avr.h: ...here.
4317 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
4320 * thumb2.md (thumb2_shiftsi3_short): Split register and
4321 immediate shifts. For register shifts tie operands 0 and 1.
4322 (peephole2 for above): Check that register-controlled shifts
4323 have suitably tied operands.
4325 2012-02-21 Quentin Neill <quentin.neill@amd.com>
4328 * config/i386/bdver1.md (bdver1_call, bdver1_push,
4329 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
4330 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
4331 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
4332 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
4333 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
4334 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
4335 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
4336 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
4337 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
4338 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
4339 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
4340 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
4341 bdver1_ssevector_avx256_unaligned_load,
4342 bdver1_ssevector_sse128_unaligned_load,
4343 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
4344 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
4345 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
4346 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
4347 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
4348 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
4349 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
4350 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
4351 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
4352 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
4353 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
4354 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
4355 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
4356 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
4357 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
4358 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
4359 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
4360 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
4361 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
4362 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
4363 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
4364 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
4365 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
4366 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
4367 bdver1_ssediv_double_load, bdver1_ssediv_double,
4368 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
4369 Add "bdver2" attribute.
4371 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4373 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
4374 default if possible and not specified otherwise.
4376 2012-02-21 Richard Guenther <rguenther@suse.de>
4379 * gimplify.c (create_tmp_from_val): Use the main variant type
4380 for the type of the temporary we create.
4382 2012-02-21 Richard Guenther <rguenther@suse.de>
4384 PR tree-optimization/52324
4385 * gimplify.c (gimplify_expr): When re-gimplifying expressions
4386 do not gimplify a MEM_REF address operand if it is already
4389 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4391 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
4392 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
4394 2012-02-21 Richard Guenther <rguenther@suse.de>
4396 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
4397 nested_in_vect_loop.
4399 2012-02-21 Jakub Jelinek <jakub@redhat.com>
4401 PR tree-optimization/52318
4402 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
4403 vdef also to non-pure/const call stmts in the sequence.
4405 2012-02-20 David S. Miller <davem@davemloft.net>
4407 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
4408 don't use the "rd %pc" instruction on v9 for PIC register loads.
4410 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
4413 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
4414 in a transaction safe function.
4416 2012-02-20 Kai Tietz <ktietz@redhat.com>
4419 * stor-layout.c (place_field): Handle desired_align for
4422 2012-02-20 Richard Guenther <rguenther@suse.de>
4424 PR tree-optimization/52298
4425 * tree-vect-stmts.c (vectorizable_store): Properly use
4426 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4428 (vectorizable_load): Likewise.
4429 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
4430 Access DR_STEP after ensuring it is not NULL.
4432 2012-02-20 Jakub Jelinek <jakub@redhat.com>
4434 PR tree-optimization/52286
4435 * fold-const.c (fold_binary_loc): For (X & C1) | C2
4436 optimization use double_int_to_tree instead of build_int_cst_wide,
4437 rewrite to use double_int vars.
4439 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4442 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
4444 Remove -e 0 from $gcc_cv_ld invocation.
4445 Only use __GLIBC_PREREQ if defined.
4446 Enable on Solaris since Solaris 8 patch.
4447 (gcc_SUN_LD_VERSION): New macro.
4448 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
4449 gcc_SUN_LD_VERSION for version number format.
4450 * configure: Regenerate.
4451 * varasm.c (get_elf_initfini_array_priority_section): Set
4452 SECTION_NOTYPE for non-default priority.
4453 Use get_section instead of get_unnamed_section to emit
4454 .init_array/.fini_array with default priority.
4456 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4458 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
4459 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
4460 (mips_start_unique_function, mips_output_mips16_rdhwr)
4461 (mips_code_end): New functions.
4462 (TARGET_ASM_CODE_END): Define.
4464 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4466 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
4467 to stubs with non-sibling calls.
4469 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
4471 * doc/invoke.texi (-fira-* options): Copy-edit.
4472 (ira-* parameters): Copy-edit.
4474 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4476 * doc/invoke.texi: Minor copy-edits to bring into conformance with
4477 GCC coding conventions.
4479 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4481 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
4482 when used as adjectives.
4484 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
4486 * doc/invoke.texi: Clean up "that"/"which" confusion.
4488 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
4490 * system.h: Poison SMALL_REGISTER_CLASSES
4491 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
4492 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
4494 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4496 PR tree-optimization/52285
4497 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
4498 when deciding if a call is a tail call or tail recursion.
4500 2012-02-16 Kai Tietz <ktietz@redhat.com>
4502 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4503 interger-constant displacement for UNSPEC_PCREL.
4505 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4507 PR rtl-optimization/52208
4508 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4509 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4511 PR tree-optimization/52255
4512 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4513 loop->header has virtual PHI, but exit_e->dest doesn't, add
4514 virtual PHI to exit_e->dest and adjust all uses after the loop.
4517 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4518 children with clone_tree_hash, not after it.
4520 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4522 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4523 extended identifiers.
4525 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4528 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4529 a same_body_alias, also test whether e->callee isn't a former
4530 or current clone of the decl this is a same body alias of.
4532 PR translation/52264
4533 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4535 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4537 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4539 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4542 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4543 force_reg instead of copy_to_reg for better optimization. Force
4544 non-register or memory operands into a register.
4546 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4548 * extend.texi: Reserve upper bits of memory model for future use.
4550 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4551 Anatoly Sokolov <aesok@post.ru>
4552 Eric Weddington <eric.weddington@atmel.com>
4555 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4556 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4557 Rewrite initializers for .macro.
4558 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4559 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4560 atxmega32d4, atxmega32x1.
4561 avrxmega4: atxmega64a3, atxmega64d3.
4562 avrxmega5: atxmega64a1, atxmega64a1u.
4563 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4564 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4565 avrxmega7: atxmega128a1, atxmega128a1u.
4566 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4567 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4568 (struct base_arch_s): Rename reserved to xmega_p.
4569 Rename reserved2 to have_rampd.
4570 (AVR_XMEGA): New define.
4571 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4572 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4573 * config/avr/predicates.md (io_address_operand): Take into
4575 (low_io_address_operand): Ditto.
4576 (high_io_address_operand): Ditto.
4577 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4578 (enabled, movhi_sp_r): Use them.
4579 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4580 cpp_define_formatted to built-in define __AVR_ARCH__.
4581 (__AVR_XMEGA__): New built-in define.
4582 (__AVR_HAVE_RAMPD__): New built-in define.
4583 (__AVR_HAVE_RAMPX__): New built-in define.
4584 (__AVR_HAVE_RAMPY__): New built-in define.
4585 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4587 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4588 (avr_option_override): Initialize them.
4589 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4590 (avr_init_expanders): Initialize them. No more block several calls.
4591 (emit_push_sfr): New static function.
4592 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4594 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4595 (avr_print_operand): Print addreeses as symbols for
4596 RAMPX, RAMPY, RAMPD, CCP.
4597 (output_movhi): Handle AVR_XMEGA when writing to SP.
4598 (avr_out_movhi_mr_r_xmega): New static function.
4599 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4600 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4601 __RAMPD__, __CCP__ as needed.
4603 * config/avr/multilib.h: Regenerate.
4604 * config/avr/t-multilib: Regenerate.
4605 * config/avr/avr-tables.opt: Regenerate.
4607 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4609 PR tree-optimization/50561
4610 * graphite-flattening.c (lst_project_loop): Do not
4611 remove old scattering dimensions after flattening.
4612 (lst_do_flatten): Likewise.
4614 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4616 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4617 __builtin_avr_map8, __builtin_avr_map16.
4618 Document __builtin_avr_insert_bits.
4620 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4621 (insert_bits): New insn.
4622 (adjust_len.map_bits): Rename to insert_bits.
4623 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4624 * avr-protos.h (avr_out_map_bits): Remove.
4625 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4626 * config/avr/constraints.md (Cxf,C0f): New.
4627 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4628 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4629 New built-in define __BUILTIN_AVR_INSERT_BITS.
4630 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4631 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4632 (avr_move_bits): Rewrite.
4633 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4635 (avr_map_op_t): New typedef.
4636 (avr_map_op): New static variable.
4637 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4638 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4639 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4640 (bdesc_3arg, avr_expand_triop_builtin): New.
4641 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4642 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4643 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4644 (avr_map_equal_p, avr_map_sig_p): Remove.
4645 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4646 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4647 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4648 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4649 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4650 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4652 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4654 * config/c6x/c6x.md (reserve_cycles): New attribute.
4655 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4656 don't reserve functional units after the branch occurs.
4658 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4661 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4662 functions into non-tm_pure functions.
4664 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4667 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4668 (iterative_hash_canonical_type): Likewise.
4669 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4672 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4674 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4675 sched-group insn, it either remains alone or the entire list is pruned.
4677 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4679 * doc/install.texi (Prerequisites): Fix grammar.
4680 (Configuration): Likewise.
4682 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4684 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4685 MPC as part of GCC before describing configuring with --with-gmp etc.
4686 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4687 sources are present.
4689 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4692 * dwarf2out.c (clone_tree_hash): New function.
4693 (copy_decls_walk): Use it instead of clone_tree.
4695 2012-02-14 Richard Guenther <rguenther@suse.de>
4697 PR tree-optimization/52244
4698 PR tree-optimization/51528
4699 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4700 replacements for integral types.
4702 2012-02-14 Walter Lee <walt@tilera.com>
4704 * config.gcc: Handle tilegx and tilepro.
4705 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4707 Add HAVE_AS_TLS check for tilegx and tilepro.
4708 * configure: Regenerate.
4709 * doc/contrib.texi: Add Mat Hostetter and self.
4710 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4711 Document instruction intrinsics and network accessing intrinsics.
4712 (TILEPro Built-in Functions): New node. Document instruction
4713 intrinsics and network accessing intrinsics.
4714 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4715 (Specific, tilepro-*-linux*): Likewise.
4716 * doc/invoke.texi (TILE-Gx Options): New section.
4717 (TILEPro Options): New section.
4718 * doc/md.texi (TILE-Gx): New section.
4719 (TILEPro): New section.
4720 * common/config/tilegx/tilegx-common.c: New file.
4721 * common/config/tilepro/tilepro-common.c: New file.
4722 * config/tilegx/constraints.md: New file.
4723 * config/tilegx/linux.h: New file.
4724 * config/tilegx/mul-tables.c: New file.
4725 * config/tilegx/predicates.md: New file.
4726 * config/tilegx/sync.md: New file.
4727 * config/tilegx/t-tilegx: New file.
4728 * config/tilegx/tilegx-builtins.h: New file.
4729 * config/tilegx/tilegx-c.c: New file.
4730 * config/tilegx/tilegx-generic.md: New file.
4731 * config/tilegx/tilegx-modes.def: New file.
4732 * config/tilegx/tilegx-multiply.h: New file.
4733 * config/tilegx/tilegx-protos.h: New file.
4734 * config/tilegx/tilegx.c: New file.
4735 * config/tilegx/tilegx.h: New file.
4736 * config/tilegx/tilegx.md: New file.
4737 * config/tilegx/tilegx.opt: New file.
4738 * config/tilepro/constraints.md: New file.
4739 * config/tilepro/gen-mul-tables.cc: New file.
4740 * config/tilepro/linux.h: New file.
4741 * config/tilepro/mul-tables.c: New file.
4742 * config/tilepro/predicates.md: New file.
4743 * config/tilepro/t-tilepro: New file.
4744 * config/tilepro/tilepro-builtins.h: New file.
4745 * config/tilepro/tilepro-c.c: New file.
4746 * config/tilepro/tilepro-generic.md: New file.
4747 * config/tilepro/tilepro-modes.def: New file.
4748 * config/tilepro/tilepro-multiply.h: New file.
4749 * config/tilepro/tilepro-protos.h: New file.
4750 * config/tilepro/tilepro.c: New file.
4751 * config/tilepro/tilepro.h: New file.
4752 * config/tilepro/tilepro.md: New file.
4753 * config/tilepro/tilepro.opt: New file.
4755 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4757 PR tree-optimization/52210
4758 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4759 vect_model_simple_cost with two entry vect_def_type array instead
4760 of an address of dt.
4762 2012-02-14 Richard Guenther <rguenther@suse.de>
4765 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4766 Do not stream DECL_QUALIFIER.
4767 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4768 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4769 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4771 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4774 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4777 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4780 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4781 * cselib.c (cselib_subst_to_values_from_insn): New function.
4782 * sched-deps.c (add_insn_mem_dependence,
4783 sched_analyze_1, sched_analyze_2): Use it.
4785 2012-02-13 Jan Hubicka <jh@suse.cz>
4788 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4790 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4792 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4793 (GTM_SELF_SPECS): Define if not already defined.
4794 (driver_self_specs): Add GTM_SELF_SPECS.
4795 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4796 (GTM_SELF_SPECS): Define.
4797 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4798 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4800 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4802 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4805 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4808 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4809 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4811 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4814 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4816 2012-02-13 Richard Guenther <rguenther@suse.de>
4818 PR translation/52211
4819 * passes.c (enable_disable_pass): Fix typo.
4821 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4824 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4825 XOR for reduce_bit_field if type is unsigned.
4827 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4829 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4830 disallow changes from SFmode to mode with different size in FP regs.
4832 2012-02-12 Robert Millan <rmh@gnu.org>
4833 Gerald Pfeifer <gerald@pfeifer.com>
4835 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4838 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4840 PR rtl-optimization/52175
4841 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4842 to frame-related instructions.
4844 2012-02-10 Jason Merrill <jason@redhat.com>
4847 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4848 (demangle_new_symbols): Fill it.
4849 (scan_linker_output): Walk it.
4850 (start_tweaking): Split out from scan_linker_output.
4851 (maybe_tweak): Update sym->chosen.
4852 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4854 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4857 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4859 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4861 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4862 having the same mode as previous compare.
4864 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4866 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4867 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4868 (nonlocal_goto_internal): Likewise.
4869 (nonlocal_goto): Emit a use and an indirect jump directly.
4871 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4874 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4875 __atomic_{is,always}_lock_free.
4877 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4880 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4881 negative constant address for x32.
4883 2012-02-10 Richard Henderson <rth@redhat.com>
4885 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4886 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4887 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4889 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4890 Ira Rosen <irar@il.ibm.com>
4892 PR tree-optimization/50031
4893 * targhooks.c (default_builtin_vectorization_cost): Handle
4895 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4896 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4897 all types of reduction and pattern statements.
4898 (vect_estimate_min_profitable_iters): Likewise.
4899 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4900 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4901 for explicit realigns.
4902 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4903 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4905 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4906 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4907 vec_perm for VSX and handle vec_promote_demote.
4909 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4912 * builtins.c (fold_builtin_atomic_always_lock_free,
4913 expand_builtin_atomic_always_lock_free,
4914 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4915 Return and/or test boolean_true_node/boolean_false_node instead of
4916 integer_one_node/integer_zero_node.
4918 2012-02-10 Jan Hubicka <jh@suse.cz>
4921 * predict.c (predict_paths_for_bb): Prevent looping.
4922 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4924 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4926 * config/arm/arm.c (output_move_double): In one case properly
4927 count number of instructions that will be emitted.
4929 2012-02-10 Richard Guenther <rguenther@suse.de>
4931 PR translation/52193
4932 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4934 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4937 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4939 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4942 * var-tracking.c (emit_note_insn_var_location): If
4943 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4944 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4945 non-NOTE_DURING_CALL_P insn.
4947 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4950 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4952 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4955 * gcc.c (switch_matches) Support switches with separated form,
4958 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4960 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4962 (RAMPZ_ADDR): Ditto.
4963 * config/avr/avr.c (avr_addr_t): New typedef.
4964 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4965 (avr_init_expanders): Initialize it.
4966 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4968 (expand_epilogue): Ditto.
4969 (avr_print_operand): Ditto.
4970 (avr_file_start): Ditto.
4971 (avr_emit_movmemhi): Ditto.
4973 2012-02-08 Richard Guenther <rguenther@suse.de>
4975 PR tree-optimization/46886
4976 * tree-flow.h (do_while_loop_p): Declare.
4977 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4978 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4980 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4982 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4983 always succeed for integers larger than a native word.
4985 2012-02-08 Richard Guenther <rguenther@suse.de>
4987 PR rtl-optimization/52170
4988 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4989 properly handle integer vector modes.
4991 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4993 PR gcov-profile/52150
4994 * coverage.c: Include target.h.
4995 (build_var): Call targetm.strip_name_encoding on the assembler name.
4996 Change one _ into . or $ if the target allows it.
4997 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4999 PR rtl-optimization/52139
5000 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5001 is a BARRIER after emit_insn_after_noloc, move BB_END
5002 to the last non-BARRIER insn before it.
5004 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
5007 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5008 (mips_gimplify_va_arg_expr): Call it instead of
5009 std_gimplify_va_arg_expr.
5011 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
5013 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
5014 message for -mno-pointers-to-nested-function.
5016 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
5019 * expr.c (get_inner_reference): If there is an offset, add a negative
5020 bit position to it (if any).
5022 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5024 PR rtl-optimization/52060
5025 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
5026 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
5027 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
5028 and/or i0src_copy2 when needed.
5030 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5032 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
5033 or LTOPLUGINSONAME if have_c.
5035 * config/freebsd-spec.h: Add comment about what macros can be defined
5037 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
5038 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
5041 2012-02-07 Richard Guenther <rguenther@suse.de>
5043 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
5044 newline in -alias dumps.
5046 2012-02-07 Kai Tietz <ktietz@redhat.com>
5047 Dave Korn <dave.korn.cygwin@gmail.com>
5050 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5051 Take care that typinfo gets dllexport-attribute.
5053 2012-02-07 Jakub Jelinek <jakub@redhat.com>
5056 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
5057 if modifier < EXPAND_SUM call force_operand on the result.
5059 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
5061 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
5062 adding __forwarder_dst__ prefix if a forwarder_section attribute is
5064 (epiphany_function_type): Replace types for specific interrupts with
5065 EPIPHANY_FUNCTION_INTERRUPT.
5066 (EPIPHANY_INTERRUPT_P): Update.
5067 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
5068 New static function.
5069 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
5070 <disinterrupt>: Affects type identity.
5071 (epiphany_handle_interrupt_attribute): Handle variable number of
5073 (epiphany_compute_function_type): Update for new
5074 epiphany_function_type definition.
5075 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
5076 handlers with a longcall forwarder.
5077 (epiphany_start_function): Handle multiple interrupt arguments and/or
5078 forwarder_section attribute.
5080 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
5083 2012-02-07 Alan Modra <amodra@gmail.com>
5086 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
5089 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5091 PR tree-optimization/50969
5092 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
5093 use vec_perm rather than vector_stmt.
5094 (vect_model_load_cost): Likewise.
5095 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
5096 vec_perm to be the same as other vector statements.
5097 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
5098 cost of vec_perm for TARGET_VSX.
5100 2012-02-06 Richard Guenther <rguenther@suse.de>
5102 PR tree-optimization/52115
5103 * tree-sra.c (access_has_replacements_p): New function.
5104 (sra_modify_assign): Use it to decide whether a use is uninitialized.
5106 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
5109 * trans-mem.c (expand_call_tm): Add an assertion.
5110 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
5113 2012-02-06 Richard Guenther <rguenther@suse.de>
5115 PR tree-optimization/50955
5116 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
5117 raise cost of expressions that replace an address with an
5118 expression based on a different pointer.
5120 2012-02-06 Jakub Jelinek <jakub@redhat.com>
5123 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
5124 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
5126 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
5129 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
5130 -Weffc++ and specify guidelines come from second edition.
5132 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5134 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
5135 (sibcall_value_multiple_internal, call_split, call_internal_direct)
5136 (call_direct_split, call_value_split, call_value_internal_direct)
5137 (call_value_direct_split, call_value_multiple_split): Use jal and
5138 jal_macro attributes.
5140 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
5142 * reload1.c (reload_regs_reach_end_p): Replace with...
5143 (reload_reg_rtx_reaches_end_p): ...this function.
5144 (new_spill_reg_store): Update commentary.
5145 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
5146 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
5147 before setting new_spill_reg_store.
5148 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
5149 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
5150 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
5151 for non-spill reload registers.
5153 2012-02-05 Ira Rosen <irar@il.ibm.com>
5155 PR tree-optimization/52091
5156 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5157 (vect_is_simple_use_1): Likewise.
5158 * tree-vect-loop.c (vectorizable_reduction): Update calls
5159 to vect_is_simple_use_1 and vect_is_simple_use.
5160 (vectorizable_live_operation): Likewise.
5161 * tree-vect-patterns.c (widened_name_p,
5162 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
5163 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
5164 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
5165 vectorizable_shift,vectorizable_operation, vectorizable_store,
5166 vectorizable_load): Likewise.
5167 (vect_is_simple_cond): Add an argument, pass it to
5168 vect_is_simple_use_1.
5169 (vectorizable_condition): Update calls to vect_is_simple_cond,
5171 (vect_is_simple_use): Add an argument, the statement in which
5172 OPERAND is used. Check that if OPERAND's def stmt is a double
5173 reduction phi node, the use is a phi node too.
5174 (vect_is_simple_use_1): Add an argument, pass it to
5176 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
5177 to vect_is_simple_use.
5179 2012-02-04 Jakub Jelinek <jakub@redhat.com>
5181 PR rtl-optimization/52095
5182 * modulo-sched.c (dump_insn_locator): New function.
5183 (loop_canon_p, sms_schedule): Use it.
5185 PR rtl-optimization/52113
5186 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
5187 even for decomposable shift/zext insns.
5189 2012-02-03 Jakub Jelinek <jakub@redhat.com>
5190 Zdenek Dvorak <ook@ucw.cz>
5192 PR rtl-optimization/52092
5193 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
5194 on get_iv_value result.
5196 2012-02-02 Andrew Pinski <apinski@cavium.com>
5200 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
5202 2012-02-02 Jakub Jelinek <jakub@redhat.com>
5205 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
5207 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
5209 PR rtl-optimization/49800
5210 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
5211 (sched_finish): Call regstat_free_n_sets_and_refs.
5213 2012-02-02 Jia Liu <proljc@gmail.com>
5215 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
5218 2012-02-02 Jan Hubicka <jh@suse.cz>
5219 Tom de Vries <tom@codesourcery.com>
5222 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
5223 * varpool.c (varpool_analyze_pending_decls): Likewise.
5225 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
5226 Jayant R Sonar <jayant.sonar@kpitcummins.com>
5228 * config.gcc: Add cr16-* support.
5230 * doc/extend.texi: Document cr16 extensions.
5231 * doc/install.texi: Document cr16 install.
5232 * doc/invoke.texi: Document cr16 options.
5233 * doc/md.texi: Document cr16 constraints.
5235 * common/config/cr16/cr16-common.c: New file.
5236 * config/cr16/cr16.c: New file.
5237 * config/cr16/cr16.h: New file.
5238 * config/cr16/cr16.md: New file.
5239 * config/cr16/cr16.opt: New file.
5240 * config/cr16/cr16-protos.h: New file.
5241 * config/cr16/predicates.md: New file.
5242 * config/cr16/constraints.md: New file.
5243 * config/cr16/t-cr16: New file.
5245 2012-02-02 Jakub Jelinek <jakub@redhat.com>
5248 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
5249 that operands[2] is either immediate, or q_regs_operand.
5251 PR tree-optimization/52073
5252 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
5253 a pattern stmt for pattern uses, ignore uses outside of the loop.
5255 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
5257 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
5258 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
5259 (OUT_AS1, OUT_AS2): Remove.
5261 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
5263 PR rtl-optimization/51374
5264 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
5265 to cross other volatile_refs_p insns.
5267 2012-02-01 Richard Guenther <rguenther@suse.de>
5269 * doc/invoke.texi (fno-inline): Clarify documentation.
5270 (finline-small-functions): Likewise.
5271 (finline-functions): Likewise.
5272 * common.opt (finline): Adjust comment and documentation.
5273 (finline-small-functions): Clarify documentation.
5274 (finline-functions): Likewise.
5275 (finline-functions-called-once): Likewise.
5277 2012-02-01 Tristan Gingold <gingold@adacore.com>
5279 * c-typeck.c (composite_type): Keep mode for pointers.
5281 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
5283 * function.h (regno_reg_rtx): Adjust comment.
5284 * reginfo.c (init_reg_modes_target): Only use the previous mode
5285 if it fits within one register. Remove MIPS comment.
5287 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5290 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
5292 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5294 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
5295 to srak instruction.
5297 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5299 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
5301 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5306 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
5308 2012-01-31 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/51528
5311 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
5314 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5319 * ree.c (add_removable_extension): Change def_map argument
5320 to unsigned *, store in def_map 1 + offset into *insn_list vector
5321 instead of pointers into the vector.
5322 (find_removable_extensions): Adjust caller.
5324 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5326 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
5327 Transform all "* quoted-c-code" to { c-code }.
5328 Remove redundant test for "optimize" in combine patterns.
5329 Move (include "avr-dimode.md") to end of file.
5331 2012-01-30 Bin Cheng <bin.cheng@arm.com>
5334 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
5335 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
5337 2012-01-30 Richard Guenther <rguenther@suse.de>
5339 PR tree-optimization/52028
5340 * tree-loop-distribution.c (ldist_gen): Properly update
5343 2012-01-30 Jakub Jelinek <jakub@redhat.com>
5346 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
5347 set_cur_line_info_table if not emitting debug info.
5349 PR tree-optimization/52046
5350 * tree-vect-patterns.c (check_bool_pattern): Give up if
5351 a comparison could throw.
5354 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
5356 2012-01-30 Richard Guenther <rguenther@suse.de>
5358 PR tree-optimization/52045
5359 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
5360 SSA form if cfgcleanup did anything.
5362 2012-01-30 Richard Guenther <rguenther@suse.de>
5364 PR tree-optimization/52045
5365 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
5366 before computing final todo.
5368 2012-01-30 Richard Guenther <rguenther@suse.de>
5370 PR tree-optimization/51528
5371 * tree-sra.c (sra_modify_assign): Re-factor in preparation
5374 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
5376 * df-problems.c (df_kill_notes): Check that the use refers
5377 to the note under examination.
5379 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
5382 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
5383 parameter and use short-lived pseudos.
5384 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
5385 (sparc_expand_vector_init): Const-ify local variables and adjust
5386 calls to above functions.
5388 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5390 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
5392 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
5394 * doc/invoke.texi: Make usage of "compile time" and
5395 "run time"/"runtime" consistent throughout the file.
5397 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
5399 * config/alpha/alpha.c (alpha_option_override): Default to
5400 full IEEE compliance mode for Go language.
5402 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
5404 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
5405 (LINK_SSP_SPEC): Define.
5407 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5410 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
5413 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
5415 * doc/invoke.texi: Correct hyphenation of "floating point",
5416 "double precision", and related terminology throughout the file.
5418 2012-01-28 Jakub Jelinek <jakub@redhat.com>
5421 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
5422 arm_general_register_operand predicate for operand 2 instead of
5425 2012-01-27 Ian Lance Taylor <iant@google.com>
5428 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
5429 * builtins.c (expand_builtin_init_trampoline): Add onstack
5430 parameter. Change caller.
5431 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
5432 * tree.c (build_common_builtin_nodes): Declare
5433 __builtin_init_heap_trampoline.
5435 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
5437 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
5438 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
5439 * config/avr/avr.c: Ditto.
5440 (avr_regnames): Remove because unused.
5441 * config/avr/avr.md (*cpse.ne): New peephole.
5442 (*cpse.eq): New peephole from former cpse peepholes.
5444 2012-01-27 Michael Eager <eager@eagercon.com>
5446 * config/microblaze.c (microblaze_emit_compare): Correct
5447 test after pcmp instruction.
5449 2012-01-27 Richard Guenther <rguenther@suse.de>
5451 PR tree-optimization/52020
5452 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
5454 2012-01-27 Richard Guenther <rguenther@suse.de>
5456 * ipa-pure-const.c (check_stmt): Clobbers do not make a
5457 function non-const/pure.
5459 2012-01-27 Richard Guenther <rguenther@suse.de>
5461 PR tree-optimization/50444
5462 * tree-sra.c (build_ref_for_offset): Properly adjust the
5463 MEM_REF type for unaligned accesses.
5465 2012-01-27 Richard Guenther <rguenther@suse.de>
5467 PR tree-optimization/50444
5468 * expr.c (mem_ref_refers_to_non_mem_p): New function.
5469 (expand_assignment): Use it. Properly handle misaligned
5470 bases when expanding stores to component references.
5471 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
5474 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
5477 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
5478 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
5479 * tree-data-ref.c (find_data_references_in_loop): Make static.
5480 (compute_all_dependences): Change return type to bool. Bail out
5481 for too many datarefs in a loop. Move the hunk resetting the data
5482 dependences vector from ...
5483 (compute_data_dependences_for_loop): ... here. Account for
5484 compute_all_dependences returning false.
5485 (compute_data_dependences_for_bb): Likewise.
5486 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
5487 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
5489 2012-01-27 Richard Guenther <rguenther@suse.de>
5492 * expr.c (store_field): Use the alias-set of the scratch memory
5495 2012-01-27 Tom de Vries <tom@codesourcery.com>
5497 PR tree-optimization/51990
5498 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5500 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
5502 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5505 * var-tracking.c (reverse_op): Don't add any reverse operation
5506 if V already has any constant locations.
5508 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5510 * doc/invoke.texi: Correct usage of "command line" (noun)
5511 vs "command-line" (adjective) throughout.
5513 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5515 * doc/invoke.texi (Language Independent Options): Move
5516 -Wcoverage-mismatch blurb from here....
5517 (Warning Options): ...to here.
5519 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5521 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5522 Set rs6000_always_hint to false for 476.
5524 2012-01-27 Matthias Klose <doko@ubuntu.com>
5526 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5528 * incpath.c (add_standard_paths): Likewise.
5530 2012-01-27 Richard Henderson <rth@redhat.com>
5532 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5533 * config/m68k/sync.md (atomic_test_and_set): Rename from
5534 sync_test_and_setqi and adjust the operands.
5535 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5536 and unconditionally enable.
5538 2012-01-27 Richard Henderson <rth@redhat.com>
5540 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5541 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5542 (ldstub): Rename from ldstubqi.
5543 (ldstub<I24MODE>): Remove.
5545 2012-01-27 Richard Henderson <rth@redhat.com>
5547 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5548 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5549 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5550 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5551 * doc/tm.texi: Rebuild.
5553 2012-01-27 Richard Henderson <rth@redhat.com>
5555 * optabs.c (gen_atomic_test_and_set): Remove default.
5556 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5558 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5560 PR rtl-optimization/51978
5561 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5562 (combine_reaching_defs): Likewise.
5563 (struct re_info): Remove.
5564 (add_removable_extension): Remove x and data arguments,
5565 add insn, insn_list and def_map. Use the arguments directly
5566 instead of using struct re_info.
5567 (find_removable_extensions): Don't call add_removable_extension
5568 through note_stores, instead just call it with single_set
5570 (find_and_remove_re): Pass curr_cand->expr instead of
5571 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5573 2012-01-26 Michael Matz <matz@suse.de>
5575 PR tree-optimization/46590
5576 * cfgexpand.c: Revert last change (r183305).
5577 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5579 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5580 checking for emptiness.
5582 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5585 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5586 non-addressable non-BLKmode base correctly.
5588 2012-01-26 Michael Matz <matz@suse.de>
5590 PR tree-optimization/48794
5591 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5592 regions referenced from RESX/EH_DISPATCH.
5594 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5596 * config/s390/s390.h: Make BRANCH_COST an option.
5597 * config/s390/s390.opt: New option -mbranch-cost.
5599 2012-01-26 Richard Henderson <rth@redhat.com>
5601 Revert 2012-01-24 change:
5602 * trans-mem.c (requires_barrier): Do not instrument thread local
5603 variables and emit save/restore for them.
5605 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5608 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5611 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5613 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5616 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5619 Rename __pgm to __flash.
5620 Rename __pgm1 to __flash1.
5621 Rename __pgm2 to __flash2.
5622 Rename __pgm3 to __flash3.
5623 Rename __pgm4 to __flash4.
5624 Rename __pgm5 to __flash5.
5625 Rename __pgmx to __memx.
5626 * doc/extend.texi (AVR Named Address Spaces)
5627 Rename address space names as indicated above.
5628 * config/avr/avr.c (avr_addrspace): Ditto.
5630 * config/avr/avr-protos.h
5631 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5632 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5633 * config/avr/predicates.md: Ditto.
5634 * config/avr/avr.c Ditto, and
5635 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5636 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5638 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5639 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5640 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5641 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5642 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5643 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5644 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5645 * config/avr/avr.c: Ditto.
5646 * config/avr/avr.md: Ditto.
5648 2012-01-25 Jason Merrill <jason@redhat.com>
5651 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5653 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5655 PR tree-optimization/51987
5656 * tree-data-ref.c (get_references_in_stmt): Handle references in
5657 non-volatile GIMPLE_ASM.
5659 2012-01-25 Richard Guenther <rguenther@suse.de>
5661 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5662 bases are dereferenced.
5664 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5666 PR rtl-optimization/48374
5667 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5669 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5671 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5672 compute_data_dependences_for_loop returns false.
5673 * tree-parloops.c (loop_parallel_p): Likewise.
5675 2012-01-25 Richard Guenther <rguenther@suse.de>
5677 * tree.h (get_pointer_alignment_1): Declare.
5678 * builtins.c (get_pointer_alignment_1): New function.
5679 (get_pointer_alignment): Use it.
5681 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5683 PR rtl-optimization/48308
5684 * combine.c (enum undo_kind): Add UNDO_LINKS.
5685 (struct undo): Add member l to other_contents and where.
5686 (do_SUBST_LINK): New.
5688 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5689 (undo_all): Handle UNDO_LINKS.
5691 2012-01-25 Richard Henderson <rth@redhat.com>
5693 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5696 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5698 * optabs.c (gen_atomic_test_and_set): Use each argument.
5700 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5702 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5703 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5704 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5705 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5706 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5707 TARGET_PAIRED_SINGLE_FLOAT.
5709 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5711 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5712 (in_struct, return_val): Remove MEM documentation.
5713 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5714 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5715 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5717 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5718 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5719 * expr.c (store_field): Likewise.
5720 * function.c (assign_stack_temp_for_type): Likewise.
5721 * ifcvt.c (noce_try_cmove_arith): Likewise.
5722 * reload1.c (reload): Likewise.
5723 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5724 (alpha_set_memflags): Likewise.
5725 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5727 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5729 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5731 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5732 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5733 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5735 * cselib.c (cselib_rtx_varies_p): Delete.
5736 (cselib_invalidate_mem): Update call to canon_true_dependence.
5737 * dse.c (record_store, check_mem_read_rtx): Likewise.
5738 (scan_reads_nospill): Likewise.
5739 * cse.c (check_dependence): Likewise.
5740 (cse_rtx_varies_p): Delete.
5741 * expr.c (safe_from_p): Update call to true_dependence.
5742 * ira.c (validate_equiv_mem_from_store): Likewise.
5743 (memref_referenced_p): Likewise.
5744 * postreload-gcse.c (find_mem_conflicts): Likewise.
5745 * sched-deps.c (sched_analyze_2): Likewise.
5746 * store-motion.c (load_kills_store): Likewise.
5747 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5748 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5749 (compute_transp): Update call to canon_true_dependence.
5751 2012-01-25 Richard Henderson <rth@redhat.com>
5753 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5754 (maybe_emit_atomic_test_and_set): New.
5755 (expand_sync_lock_test_and_set): Use it.
5756 (expand_atomic_test_and_set): Likewise.
5757 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5758 the implementation; clarify implementation defined details.
5759 * doc/md.texi (atomic_test_and_set): Document.
5761 2012-01-25 Richard Henderson <rth@redhat.com>
5763 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5765 2012-01-25 Richard Henderson <rth@redhat.com>
5768 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5769 to effect no-op split.
5771 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5774 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5775 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5776 (BT_FN_VOID_PTR_INT_SIZE): New.
5777 (BT_FN_UINT_UINT_VAR): Remove.
5778 (BT_FN_UINT32_UINT32_VAR): New.
5779 (BT_FN_DOUBLE_VPTR): Remove.
5780 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5782 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5783 (_ITM_changeTransactionMode): Same.
5784 (_ITM_memmoveRtWt): Change return type to void.
5785 (_ITM_memcpyRtWt): Same.
5786 (_ITM_memsetW): Same.
5787 (_ITM_RaRD): Change types to double.
5792 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5794 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5795 Patrick Marlier <patrick.marlier@gmail.com>
5797 * trans-mem.c (requires_barrier): Do not instrument thread local
5798 variables and emit save/restore for them.
5800 2012-01-24 Jason Merrill <jason@redhat.com>
5803 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5804 output static aliases.
5806 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5809 * common.opt (-pie, -shared, pie, shared): Change from Common to
5811 * gcc.c (display_help): Display help for -pie and -shared.
5813 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5816 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5817 Remove note on size/offset limitation.
5818 (AVR Variable Attributes): Add example how to read data located
5819 with progmem. Refer to named address spaces.
5820 * doc/invoke.texi (AVR Options): Fix typo.
5822 2012-01-24 Richard Guenther <rguenther@suse.de>
5824 Forward-port to trunk
5825 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5828 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5829 op0 isn't sufficiently aligned and there is movmisalignM
5830 insn for mode, use it to load op0 into a temporary register.
5832 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5835 * target.def (const_not_ok_for_debug_p): New hook.
5836 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5838 * doc/tm.texi: Regenerated.
5839 * dwarf2out.c (const_ok_for_output_1): If
5840 targetm.const_not_ok_for_debug_p returns true, fail.
5841 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5843 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5845 2012-01-23 Kai Tietz <ktietz@redhat.com>
5848 * config/i386/predicates.md (symbolic_operand): Allow
5849 UNSPEC_PCREL as PIC expression for lea.
5850 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5851 * config/i386/i386.c (ix86_delegitimize_address): Handle
5852 UNSPEC_PCREL for none-MEM, too.
5854 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5856 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5857 (ipa_tm_create_version_alias): Same.
5859 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5862 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5863 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5865 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5866 Patrick Marlier <patrick.marlier@gmail.com>
5867 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5870 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5871 simple_object_start_read.
5873 2012-01-23 Richard Guenther <rguenther@suse.de>
5876 PR tree-optimization/51895
5877 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5878 parameter decomposition into BLKmode components.
5880 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5882 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5883 fake variables for restrict-qualified pointers whose pointed-to type
5884 contains a placeholder.
5886 2012-01-23 Richard Guenther <rguenther@suse.de>
5888 PR tree-optimization/51949
5889 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5891 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5893 PR rtl-optimization/51933
5894 * ree.c (transform_ifelse): Return true right away if dstreg is
5895 already wider or equal to cand->mode.
5896 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5897 (make_defs_and_copies_lists): Remove defs_list and copies_list
5898 arguments, add state argument, just truncate state->work_list
5899 instead of always allocating and freeing the vector. Assert that
5900 get_defs succeeds instead of returning 2. Changed return type to bool.
5901 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5902 have ext_src_mode, see if it has been modified already with the
5903 right kind of extension and has been extended before from the
5904 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5905 just return true. Remember the original mode in state->modified array.
5906 (combine_reaching_defs): Add state argument. Don't allocate and
5907 free here def_list, copied_list and vec vectors, instead just
5908 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5909 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5910 Add state variable, clear vectors in it, initialize state.modified
5911 if needed. Free all the vectors at the end and state.modified too.
5912 Don't skip a candidate if the extension expression has been modified.
5914 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5917 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5918 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5919 (extra_options) interix.opt -> i386/interix.opt"
5920 (extra_objs):Add winnt-stubs.o
5921 * configure.ac: Add interix to target_os .comm on PE check.
5922 * configure: Regenerate.
5923 * config/interix3.h: Delete and move bits to..
5924 * config/interix.h: Delete and move bits to..
5925 * config/i386/i386-interix3.h: Delete and move bits to..
5926 * config/i386/i386-interix.h: ..here.
5927 (TARGET_CPU_DEFAULT): Remove redefinition.
5928 (TARGET_ASM_CONSTRUCTOR): Undefine.
5929 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5930 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5931 (PTRDIFF_TYPE): Define.
5932 (LONG_DOUBLE_TYPE_SIZE): Define.
5933 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5934 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5935 (TARGET_SECTION_TYPE_FLAGS): Define.
5936 (ASM_DECLARE_FUNCTION_NAME): Define.
5937 (ASM_OUTPUT_EXTERNAL): Define.
5938 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5939 (ASM_OUTPUT_ALIGNED_BSS): Define.
5940 (PCC_BITFIELD_TYPE_MATTERS): Define.
5941 (USE_CONST_SECTION): Define.
5942 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5943 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5944 (SUPPORTS_ONE_ONLY): Remove.
5945 (I386_PE_STRIP_ENCODING): Define.
5946 * config/interix.opt: Delete and move bits to..
5947 * config/i386/interix.opt: ..here. New.
5948 (mpe-aligned-commons): Add.
5949 * config/i386/t-interix: Add copyright header.
5950 (winnt-stubs.o): Add rule.
5952 2012-01-22 Jason Merrill <jason@redhat.com>
5955 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5956 for extra name aliases.
5958 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5960 PR rtl-optimization/51924
5961 * ree.c (combine_set_extension): Improve debugging message.
5962 (combine_reaching_defs): Likewise.
5963 (get_defs): Rename confusingly named variable.
5964 (find_and_remove_re): Skip a candidate if the extension expression has
5967 2012-01-21 Robert Millan <rmh@gnu.org>
5968 Gerald Pfeifer <gerald@pfeifer.com>
5970 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5971 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5973 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5975 PR tree-optimization/51914
5976 * tree-vect-stmts.c (vectorizable_conversion): For
5977 cvt_type && modifier == WIDEN, put temporary with cvt_type
5978 at the beginning of vec_dsts and set vec_dest to temporary
5981 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5983 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5985 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5987 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5988 * config/rs6000/rs6000.c: Likewise.
5990 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5993 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5994 output_move_double on a copy of operands array.
5996 2012-01-20 Cary Coutant <ccoutant@google.com>
5997 Dodji Seketeli <dodji@redhat.com>
6000 * dwarf2out.c (copy_declaration_context): Return ref to parent
6001 of declaration DIE, if necessary.
6002 (remove_child_or_replace_with_skeleton): Add new parameter; update
6003 caller. Place skeleton DIE under parent DIE of original declaration.
6004 Move call to copy_declaration_context to here ...
6005 (break_out_comdat_types): ... from here.
6007 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6009 PR rtl-optimization/51856
6010 * reload.c (find_reloads_subreg_address): Set the address_reloaded
6013 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6016 * config/arm/arm.c (arm_print_operand): Correct output of alignment
6017 hints for neon loads and stores.
6019 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
6023 * doc/extend.texi (Named Address Spaces): Split into subsections.
6024 (AVR Named Address Spaces): New subsection.
6025 (M32C Named Address Spaces): New subsection.
6026 (RL78 Named Address Spaces): New subsection.
6027 (SPU Named Address Spaces): New subsection.
6028 (Variable Attributes): New anchor "AVR Variable Attributes".
6029 (AVR Variable Attributes): Rewrite and avoid wording
6030 "address space" in this context.
6031 * doc/invoke.texi (AVR Options): Rewrite and add documentation
6032 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
6033 (AVR Built-in Macros): New subsubsection therein.
6034 * doc/md.texi (AVR constraints): Remove "C04", "R".
6036 2012-01-20 Richard Guenther <rguenther@suse.de>
6038 PR tree-optimization/51903
6039 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
6040 when removing stmts.
6042 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6045 * config/arm/arm.c (arm_load_pic_register): Use
6046 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
6047 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
6048 (arm_pic_static_addr): Likewise.
6049 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
6050 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
6051 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
6052 (pic_load_addr_unified): New.
6054 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
6057 * function.c (instantiate_virtual_regs_in_insn): Use
6058 delete_insn_and_edges when removing a wrong asm insn.
6060 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
6062 PR rtl-optimization/40761
6063 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
6064 Add new member loop_num.
6065 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
6066 (ira_build): Remove the parameter.
6068 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
6069 (ira.c): Do not build CFG loops for one region allocation. Remove
6070 argument from ira_build call.
6072 * ira-build.c (init_loop_tree_node): New function.
6073 (create_loop_tree_nodes): Use it. Separate the case when CFG
6074 loops are not built.
6075 (more_one_region_p): Check current_loops.
6076 (finish_loop_tree_nodes): Separate the case when CFG loops are not
6078 (add_loop_to_tree): Process loop equal to NULL too.
6079 (form_loop_tree): Separate the case when CFG loops are not built.
6080 Use explicitly number for the root.
6081 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
6083 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
6084 instead of loop->num.
6085 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
6086 (mark_all_loops_for_removal): Ditto.
6087 (remove_unnecessary_regions): Separate the case when CFG loops
6089 (ira_build): Remove the parameter. Use explicit number of regions
6090 when CFG loops are not built.
6092 * ira-color.c (print_loop_title): Separate the case for the root node.
6093 Use loop_num instead of loop->num.
6094 (move_spill_restore): Use loop_num instead of loop->num.
6096 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
6097 (change_loop): Ditto.
6098 (change_loop): Use loop_num instead of loop->num.
6100 * ira-lives.c (process_bb_node_lives): Ditto.
6102 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
6104 * ira-conflicts.c (print_allocno_conflicts): Ditto.
6106 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6109 * tree-mudflap.c (mf_artificial): New function.
6110 (execute_mudflap_function_ops, execute_mudflap_function_decls,
6111 mx_register_decls, mudflap_enqueue_decl): Use it.
6114 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
6115 numbers in the insn pattern.
6117 2012-01-19 Michael Matz <matz@suse.de>
6119 PR tree-optimization/46590
6120 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
6121 use it in remembering which conflicts we already created.
6122 (add_scope_conflicts): Adjust call to above, (de)allocate helper
6125 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
6128 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
6129 (merge_and_complain): Same.
6131 2012-01-19 Jakub Jelinek <jakub@redhat.com>
6134 * config/initfini-array.h: Guard content of the header
6135 with #ifdef HAVE_INITFINI_ARRAY.
6136 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
6137 Add initfini-array.h to tm_file here.
6138 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
6139 * config.gcc: Don't add initfini-array.h to tm_file here.
6140 * configure: Regenerated.
6142 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
6144 PR rtl-optimization/51505
6145 * df-problems.c (df_kill_notes): New parameter live. Update comment.
6146 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
6147 (df_note_bb_compute): Update the call to df_kill_notes.
6149 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
6151 * trans-mem.c (requires_barrier): Remove call to is_global_var.
6153 2012-01-18 Richard Guenther <rguenther@suse.de>
6155 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
6156 of conversions to void *.
6158 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6159 Richard Sandiford <rdsandiford@googlemail.com>
6163 * optabs.h (simplify_expand_binop): Declare.
6164 * optabs.c (simplify_expand_binop): Make global.
6165 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
6166 endian targets if the source cannot be exactly covered by word
6169 2012-01-17 Jakub Jelinek <jakub@redhat.com>
6172 * hard-reg-set.h (struct hard_reg_set_container): New type.
6173 * target.h (struct hard_reg_set_container): Forward declare.
6174 * target.def (set_up_by_prologue): New target hook.
6175 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
6176 * doc/tm.texi: Regenerated.
6177 * function.c (thread_prologue_and_epilogue_insns): Change
6178 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
6179 Call targetm.set_up_by_prologue on it.
6180 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
6181 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
6183 2012-01-17 Nick Clifton <nickc@redhat.com>
6185 * config/rx/rx.c (rx_can_use_simple_return): New function.
6186 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
6187 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
6189 2012-01-17 Richard Guenther <rguenther@suse.de>
6192 * expr.c (expand_assignment): Take address-space information
6193 from the address operand of MEM_REF and TARGET_MEM_REF.
6194 (expand_expr_real_1): Likewise.
6196 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6198 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
6199 reload dump is requested.
6201 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
6204 * trans-mem.c (requires_barrier): Call may_be_aliased.
6206 2012-01-17 Jakub Jelinek <jakub@redhat.com>
6208 PR tree-optimization/51877
6209 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
6210 call arguments and fndecls compare equal, instead return false if they
6211 don't. Return true only if lhs1 and lhs2 are either both NULL, or
6212 both SSA_NAMEs that are valueized the same, or they satisfy
6215 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6217 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
6219 * configure: Regenerate.
6221 2012-01-16 Jan Hubicka <jh@suse.cz>
6225 * convert.c (convert_to_integer): Use fold_convert for
6226 converting an INTEGER_CST to integer type.
6228 2012-01-16 Jason Merrill <jason@redhat.com>
6231 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
6233 2012-01-16 Jakub Jelinek <jakub@redhat.com>
6236 * config/s390/s390.c (s390_chunkify_start): Don't skip
6237 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
6238 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
6239 If insn is followed by NOTE_INSN_VAR_LOCATION or
6240 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
6241 Don't use location of note insns.
6243 PR tree-optimization/51865
6244 * tree-inline.c (tree_function_versioning): Call remap_decl
6245 on DECL_RESULT whenever it has VOID_TYPE_P type.
6247 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6249 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
6250 for calls to locally-binding MIPS16 functions if only the return
6251 type uses float regs.
6253 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
6254 Richard Sandiford <rdsandiford@googlemail.com>
6256 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
6257 (SYMBOL_32_HIGH): Likewise.
6258 (mips_output_tls_reloc_directive): Declare.
6259 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
6260 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
6261 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
6262 (mips_lo_relocs, mips_hi_relocs): Make extern.
6263 (mips16_stub_function): Move up file.
6264 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
6265 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
6266 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
6267 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
6268 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
6269 (mips_get_tp): Add MIPS16 support.
6270 (mips_legitimize_tls_address): Remove MIPS16 sorry().
6271 Generalize DTPREL and TPREL handling.
6272 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
6273 Add MIPS16 TLS support.
6274 (mips_output_tls_reloc_directive): New function.
6275 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
6276 * config/mips/predicates.md (symbolic_operand_with_high)
6277 (tls_reloc_operand): New predicates.
6278 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
6279 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
6280 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
6281 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
6282 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
6283 (*tls_get_tp_mips16_call_<mode>): Likewise.
6285 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
6287 PR rtl-optimization/51821
6288 * recog.c (peep2_find_free_register): Determine clobbered registers
6291 2012-01-14 Denis Chertykov <chertykov@gmail.com>
6294 * config/avr/avr-protos.h: Revert change of 2012-01-09.
6295 * config/avr/avr.c: Likewise.
6296 * config/avr/avr.h: Likewise.
6298 2012-01-13 Ian Lance Taylor <iant@google.com>
6301 * tree.h (TYPE_QUALS): Add cast to int.
6302 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
6304 2012-01-13 Ian Lance Taylor <iant@google.com>
6306 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
6307 comparing param_index to VEC_length result.
6309 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
6311 * c-decl.c: Do not include tree-mudflap.h
6312 * tree-optimize.c: Likewise.
6313 * Makefile.in: Update dependencies.
6315 2012-01-13 Richard Guenther <rguenther@suse.de>
6318 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
6319 variable-sized result always use RSO.
6321 2012-01-12 DJ Delorie <dj@redhat.com>
6323 * cfgexpand.c (convert_debug_memory_address): Allow any valid
6324 pointer type, not just the default pointer type.
6326 2012-01-09 Richard Henderson <rth@redhat.com>
6327 Denis Chertykov <chertykov@gmail.com>
6330 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
6331 * config/avr/avr.c (avr_can_eliminate): Simplify.
6332 (avr_initial_elimination_offset): Likewise.
6333 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
6334 (expand_epilogue): Likewise.
6335 (avr_legitimize_address): Gut.
6336 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
6337 (avr_hard_regno_nregs): New.
6338 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
6339 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
6340 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
6341 add soft frame pointer.
6342 (CALL_USED_REGISTERS): Likewise.
6343 (REG_CLASS_CONTENTS): Likewise.
6344 (REGISTER_NAMES): Likewise.
6345 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
6346 (HARD_FRAME_POINTER_REGNUM): New.
6347 (FRAME_POINTER_REGNUM): Use soft frame pointer.
6348 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
6349 remove the HARD_FRAME_POINTER self-elimination.
6351 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
6354 * config/avr/avr.c (avr_encode_section_info): Test for absence of
6355 DECL_EXTERNAL when checking for initializers of progmem variables.
6357 2012-01-12 Ira Rosen <irar@il.ibm.com>
6359 PR tree-optimization/51799
6360 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
6361 that the last operation is a type demotion.
6363 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
6365 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
6366 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
6368 2012-01-11 Jakub Jelinek <jakub@redhat.com>
6371 * combine.c (distribute_notes): If i3 is a noreturn call,
6372 allow old_size to be equal to args_size and make sure the
6373 noreturn call gets REG_ARGS_SIZE note.
6374 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
6375 on noreturn calls even when the delta is 0.
6377 2012-01-11 Nathan Sidwell <nathan@acm.org>
6379 * gcov.c (STRING_SIZE): Remove.
6380 (generate_results): Erase annotations for source files with no
6381 coverage information.
6383 (output_lines): Use it.
6385 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6387 * gimple.h (gimplify_body): Remove first argument.
6388 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
6389 pointer set here, instead just pass DATA to walk_tree.
6390 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
6391 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
6392 (unvisit_body): Likewise, but with unmark_visited.
6393 (gimplify_body): Remove BODY_P argument and adjust.
6394 (gimplify_function_tree): Adjust call to gimplify_body.
6395 * omp-low.c (finalize_task_copyfn): Likewise.
6397 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6399 * tree.h (build_function_decl_skip_args): Add boolean parameter.
6400 (build_function_type_skip_args): Delete.
6401 * tree.c (build_function_type_skip_args): Make static and add
6402 SKIP_RETURN parameter. Fix thinko in the handling of variants.
6403 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
6404 pass it to build_function_type_skip_args.
6405 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
6406 (tree_function_versioning): Likewise.
6407 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
6408 build_function_decl_skip_args.
6409 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
6410 and pass it to build_function_decl_skip_args/tree_function_versioning.
6411 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
6412 * ipa-inline-transform.c (save_inline_function_body): Likewise.
6413 * trans-mem.c (ipa_tm_create_version): Likewise.
6414 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
6415 * tree-inline.c (declare_return_variable): Remove always-true test.
6416 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
6417 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
6418 * ipa-split.c (split_function): Skip the return value for the split
6419 part if it doesn't return.
6421 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6423 PR tree-optimization/49642
6424 * ipa-split.c (forbidden_dominators): New variable.
6425 (check_forbidden_calls): New function.
6426 (dominated_by_forbidden): Likewise.
6427 (consider_split): Check for forbidden dominators.
6428 (execute_split_functions): Initialize and free forbidden
6429 dominators info; call check_forbidden_calls.
6431 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6433 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
6435 2012-01-11 Nick Clifton <nickc@redhat.com>
6437 * config/rx/rx.md (return): Define pattern.
6439 2012-01-11 Richard Guenther <rguenther@suse.de>
6441 * doc/extend.texi (malloc attribute): Adjust according to
6444 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
6445 Patrick Marlier <patrick.marlier@gmail.com>
6448 * trans-mem.c (get_cg_data): Traverse aliases if requested.
6449 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
6450 (ipa_tm_note_irrevocable): Same.
6451 (ipa_tm_scan_irr_block): Same.
6452 (ipa_tm_decrement_clone_counts): Same.
6453 (ipa_tm_scan_irr_function): Same.
6454 (ipa_tm_create_version_alias): Same.
6455 (ipa_tm_create_version): Same.
6456 (ipa_tm_transform_calls_redirect): Same.
6457 (ipa_tm_transform_calls): Same.
6458 (ipa_tm_transform_transaction): Same.
6459 (ipa_tm_execute): Same.
6461 2012-01-10 Richard Guenther <rguenther@suse.de>
6464 * opts.c (common_handle_option): Handle -Werror.
6466 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
6468 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
6471 2012-01-10 Jason Merrill <jason@redhat.com>
6473 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
6476 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6478 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
6479 supports R_386_TLS_GD_PLT reloc.
6480 (gcc_cv_as_ix86_tlsldmplt): Check if linker
6481 supports R_386_TLS_LDM_PLT reloc.
6482 * configure: Regenerate.
6483 * config.in: Regenerate.
6485 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
6488 Extend __pgmx semantics to linearize memory.
6489 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
6490 determine if code comes inline or from libgcc.
6491 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
6492 (movmem_qi, movmem_qi): Set constraint #2 to "n".
6493 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
6494 (movmemx_qi, movmemx_hi): New insns.
6495 (xload_<mode>_libgcc): Rewrite to new insn condition.
6496 (xload_<mode>): Remove insns.
6497 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
6498 cases that don't satisfy avr_xload_libgcc_p().
6499 (avr_addr_space_convert): Allow converting in any direction.
6500 (avr_addr_space_subset_p): Return always true.
6501 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
6502 (avr_emit_movmemhi): Ditto.
6503 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6504 (avr_out_movmem): Ditto.
6505 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6506 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6507 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6508 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6509 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6511 2012-01-10 Richard Guenther <rguenther@suse.de>
6513 PR tree-optimization/50913
6514 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6515 Require data-refs to be representable by Graphite with respect
6518 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6520 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6521 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6523 2012-01-10 Tom de Vries <tom@codesourcery.com>
6525 PR rtl-optimization/51271
6526 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6527 handling annulled branch.
6529 2012-01-10 Richard Henderson <rth@redhat.com>
6531 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6532 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6533 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6534 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6535 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6536 arm_expand_vec_perm_const): New.
6537 * config/arm/arm-protos.h: Update.
6538 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6539 (*neon_vswp<VDQX>): New.
6540 (neon_vcombine<VDX>): Use neon_split_vcombine.
6541 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6542 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6543 (vec_perm<VE>): New.
6545 2012-01-10 Richard Henderson <rth@redhat.com>
6547 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6548 use it if reload_completed.
6549 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6550 arm_output_asm_insn, arm_process_output_memory_barrier,
6551 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6552 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6553 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6554 arm_process_output_sync_insn, arm_output_sync_insn,
6555 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6556 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6557 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6558 (emit_unlikely_jump): New.
6559 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6560 (arm_split_atomic_op): New.
6561 * config/arm/arm-protos.h: Update.
6562 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6563 (struct arm_sync_generator): Remove.
6564 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6565 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6566 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6567 (VUNSPEC_LL, VUNSPEC_SC): New.
6568 (sync_result, sync_memory, sync_required_value, sync_new_value,
6569 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6570 (attr length): Don't use arm_sync_loop_insns.
6571 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6572 (movsfcc, movdfcc): Likewise.
6573 * config/arm/constraints.md (Ua): New.
6574 * config/arm/prediates.md (mem_noofs_operand): New.
6575 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6576 (sync_clobber, sync_t2_reqd): Remove.
6577 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6578 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6579 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6580 (arm_sync_compare_and_swap<SIDI>): Remove.
6581 (arm_sync_compare_and_swap<NARROW>): Remove.
6582 (arm_sync_lock_test_and_set<SIDI>): Remove.
6583 (arm_sync_lock_test_and_set<NARROW>): Remove.
6584 (arm_sync_new_<syncop><SIDI>): Remove.
6585 (arm_sync_new_<syncop><NARROW>): Remove.
6586 (arm_sync_new_nand<SIDI>): Remove.
6587 (arm_sync_new_nand<NARROW>): Remove.
6588 (arm_sync_old_<syncop><SIDI>): Remove.
6589 (arm_sync_old_<syncop><NARROW>): Remove.
6590 (arm_sync_old_nand<SIDI>): Remove.
6591 (arm_sync_old_nand<NARROW>): Remove.
6592 (*memory_barrier): Merge arm_output_memory_barrier.
6593 (atomic_compare_and_swap<QHSD>): New.
6594 (atomic_compare_and_swap<NARROW>_1): New.
6595 (atomic_compare_and_swap<SIDI>_1): New.
6596 (atomic_exchange<QHSD>): New.
6597 (cas_cmp_operand, cas_cmp_str): New.
6598 (atomic_op_operand, atomic_op_str): New.
6599 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6600 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6601 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6602 (arm_load_exclusive<NARROW>): New.
6603 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6604 (arm_store_exclusive<QHSD>): New.
6606 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6608 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6609 reload patterns if -mvsx-scalar-memory.
6611 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6612 generated, even -mno-vsx-scalar-double was used.
6613 (vsx_xscvdpsp_scalar): Likewise.
6614 (vsx_xscvspdp_scalar2): Likewise.
6616 2012-01-09 Tom de Vries <tom@codesourcery.com>
6617 Andrew Pinski <apinski@cavium.com>
6620 * reorg.c (fill_slots_from_thread): Don't speculate
6621 frame-related insns.
6623 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6625 * sched-int.h (bb_note): Move to...
6626 * basic-block.h: ...here.
6627 * haifa-sched.c (bb_note): Move to...
6628 * cfgrtl.c: ...here.
6629 * function.c (next_block_for_reg): New function.
6630 (move_insn_for_shrink_wrap): Likewise.
6631 (prepare_shrink_wrap): Rewrite to use the above.
6633 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6635 * gimple.c (is_gimple_non_addressable): Remove.
6636 * gimple.h: Remove is_gimple_non_addressable.
6637 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6638 is_gimple_non_addressable.
6639 * trans-mem.c (expand_assign_tm): Same.
6641 2012-01-09 Richard Guenther <rguenther@suse.de>
6643 PR tree-optimization/51775
6644 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6645 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6647 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6649 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6651 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6653 2012-01-09 Richard Guenther <rguenther@suse.de>
6655 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6657 2012-01-08 Jan Hubicka <jh@suse.cz>
6659 PR tree-optimize/51680
6660 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6661 on when known_vals needs to be computed; cleanup.
6663 2012-01-08 Jan Hubicka <jh@suse.cz>
6665 PR tree-optimize/51694
6666 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6668 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6670 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6671 for -std=c++98 and -std=c++11 too.
6673 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6675 * cfgloop.c (cancel_loop): Add free() of bbs array.
6677 2012-01-07 Jan Hubicka <jh@suse.cz>
6679 PR tree-optimization/51600
6680 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6681 that benefits small functions.
6683 2012-01-07 Jan Hubicka <jh@suse.cz>
6685 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6687 2012-01-07 Jan Hubicka <jh@suse.cz>
6689 PR tree-optimization/51680
6690 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6691 whose inlining reduce unit size.
6693 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6696 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6697 Add canonical node to containing_mem chain after the non-canonical
6698 one, even if there weren't any locs to propagate.
6699 (remove_useless_values): Keep only canonical values.
6700 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6701 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6702 canonicalize mem_chain elements that are not discarded.
6704 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6707 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6708 before emitting functions.
6710 PR gcov-profile/50127
6711 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6712 clear_aux_for_blocks.
6714 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6717 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6719 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6721 * c-decl.c (ext_block): Moved up.
6722 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6724 2012-01-06 Han Shen <shenhan@google.com>
6726 Translate built-in include paths for sysroot.
6727 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6728 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6730 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6731 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6733 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6734 control whether sysroot should be prepended to gxx include dir.
6736 * configure: Regenerate.
6738 2012-01-06 Torvald Riegel <triegel@redhat.com>
6740 PR rtl-optimization/51771
6741 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6742 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6744 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6746 PR tree-optimization/51315
6747 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6748 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6750 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6753 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6754 for shrp pattern. Correctly handle and fixup shift variable.
6755 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6757 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6760 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6761 note when !ACCUMULATE_OUTGOING_ARGS.
6763 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6765 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6767 (extract_range_from_unary_expr_1): Avoid useless computations.
6769 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6771 PR rtl-optimization/51767
6772 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6773 of jump_block and add an extra edge for degenerated asm gotos.
6776 * stmt.c (check_unique_operand_names): Don't ICE during error
6777 reporting if i is from labels chain.
6780 * profile.c (branch_prob): Split bbs that have exit edge
6781 and need a fake entry edge too.
6783 2012-01-05 Jan Hubicka <jh@suse.cz>
6786 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6789 2012-01-05 Richard Guenther <rguenther@suse.de>
6792 * tree-streamer-out.c (write_ts_optimization): New function.
6793 (streamer_write_tree_body): Call it.
6794 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6795 (streamer_read_tree_body): Call it.
6796 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6798 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6801 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6802 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6803 in_cleanup_point_expr before gimplify_stmt call and restore it
6805 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6806 in_cleanup_point_expr is false.
6808 2012-01-05 Richard Guenther <rguenther@suse.de>
6811 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6813 * toplev.c (process_options): Reject combining mudflap and LTO.
6814 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6816 2012-01-05 Richard Guenther <rguenther@suse.de>
6818 PR tree-optimization/51760
6819 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6821 (bit_value_unop): Handle UNDEFINED operands.
6822 (bit_value_binop): Likewise.
6824 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6826 * config/avr/avr.c (avr_replace_prefix): Remove.
6827 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6828 (avr_asm_function_rodata_section): Ditto.
6829 (avr_asm_select_section): Ditto.
6831 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6833 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6836 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6839 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6840 calls that have any non-fake successor edges.
6843 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6845 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6847 PR tree-optimization/51624
6848 * tree-sra.c (build_ref_for_model): When replicating a chain of
6849 COMPONENT_REFs, stop as soon as the offset would become negative.
6851 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6854 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6855 in .debug_loc on the floor.
6857 2012-01-04 Andrew Pinski <apinski@cavium.com>
6859 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6861 2012-01-04 Andrew Pinski <apinski@cavium.com>
6862 Adam Nemet <anemet@caviumnetworks.com>
6864 * config/mips/mips.md (size): Add SI and DI.
6865 (SIZE): New mode attribute.
6866 (U): New code attribute.
6867 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6868 (mips_lbux_<mode>): Delete.
6869 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6870 (mips_lhx): Use gen_mips_lhx_extsi.
6871 (mips_lhx_<mode>): Delete.
6873 (mips_l<size>x): New expand.
6874 (mips_lwx_<mode>): Delete.
6875 (mips_l<GPR:size>x_<P:mode>): New pattern.
6876 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6877 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6878 * config/mips/mips.c (mips_lx_address_p): New function.
6879 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6880 (dsp64): New availability predicate.
6881 (mips_builtins): Add an entry for __builtin_mips_ldx.
6882 * config/mips/mips.h (ISA_HAS_LBX): New define.
6883 (ISA_HAS_LBUX): Likewise.
6884 (ISA_HAS_LHX): Likewise.
6885 (ISA_HAS_LHUX): Likewise.
6886 (ISA_HAS_LWX): Likewise.
6887 (ISA_HAS_LWUX): Likewise.
6888 (ISA_HAS_LDX): Likewise.
6889 * doc/extend.texi (__builtin_mips_ldx): Document.
6891 2012-01-04 Tristan Gingold <gingold@adacore.com>
6893 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6894 when long pointers are used.
6895 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6896 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6897 (ia64-hp-*vms*): Remove.
6898 * config/vms/xm-vms64.h: Delete.
6900 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6903 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6905 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6907 * opts.c (finish_options): Remove duplicate sorry.
6909 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6912 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6915 2012-01-04 Richard Guenther <rguenther@suse.de>
6918 * tree.c (size_low_cst): New function.
6919 * tree.h (size_low_cst): Declare.
6920 * fold-const.c (fold_comparison): Use it to extract the low
6921 part of the POINTER_PLUS_EXPR offset.
6923 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6925 Fix clearing ZERO_REG
6926 * config/avr/avr.md (cc): Add alternative "ldi".
6927 (movqi_insn): Use it in cc attribute.
6928 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6929 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6930 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6932 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6934 * configure: Regenerate.
6936 2012-01-04 Richard Guenther <rguenther@suse.de>
6938 PR tree-optimization/49651
6939 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6940 (var_can_have_subvars): Use it.
6941 (get_constraint_for_1): Only consider subfields if there can be any.
6943 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6946 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6947 to its new canonical_cselib_val and the cselib_val was in
6948 first_containing_mem chain, but the canonical_cselib_val was not,
6949 add the latter into the chain.
6950 (cselib_invalidate_mem): Compare canonical_cselib_val of
6951 addr_list chain elt with v.
6954 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6955 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6957 (output_macinfo_op): Don't ggc_strdup fd->filename.
6958 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6959 then ggc_strdup it. Don't free inc->info or cur->info.
6960 (output_macinfo): Don't free ref->info or file->info.
6962 2012-01-03 Ira Rosen <irar@il.ibm.com>
6964 PR tree-optimization/51269
6965 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6966 first_niters a pointer.
6967 (slpeel_tree_peel_loop_to_edge): Likewise.
6968 (vect_do_peeling_for_loop_bound): Update call to
6969 slpeel_tree_peel_loop_to_edge.
6970 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6971 here. Remove it from the parameters list.
6972 (vect_do_peeling_for_alignment): Update calls and compute
6975 2012-01-03 Richard Guenther <rguenther@suse.de>
6977 PR tree-optimization/51070
6978 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6979 Properly handle calls.
6981 2012-01-03 Richard Guenther <rguenther@suse.de>
6983 PR tree-optimization/51692
6984 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6985 the LHS of allocation stmts.
6987 2012-01-03 Olivier Hainque <hainque@adacore.com>
6989 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6991 2012-01-03 Olivier Hainque <hainque@adacore.com>
6993 * collect2.c (main): In AIX specific computations for vector
6994 insertions, use CONST_CAST2 to cast from char ** to const char **.
6996 2012-01-03 Richard Guenther <rguenther@suse.de>
6999 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
7000 the context of a limbo DIE when it does not already exist.
7002 2012-01-03 Jakub Jelinek <jakub@redhat.com>
7004 PR tree-optimization/51719
7005 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
7006 but direct call is, clear direct call's lhs and don't add fallthrough
7007 edge from dcall_bb to join_bb and PHIs.
7009 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7011 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
7012 the instructions emitted by the pattern.
7013 ("*TDC_insn_<mode>"): Add comment.
7015 2012-01-03 Richard Guenther <rguenther@suse.de>
7018 * fold-const.c (fold_comparison): Properly canonicalize
7019 tree offset and HOST_WIDE_INT bit position.
7021 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
7023 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
7024 operands for extzv pattern.
7026 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7029 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
7032 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
7034 * doc/invoke.texi (-flto and related options): Copy-edit.
7036 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7038 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
7040 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7042 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
7045 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7047 * expr.h (move_by_pieces_ninsns): Declare.
7048 * expr.c (move_by_pieces_ninsns): Make external.
7049 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
7050 (mips_store_by_pieces_p): Likewise.
7051 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
7052 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
7053 * config/mips/mips.c (mips_move_by_pieces_p): New function.
7054 (mips_store_by_pieces_p): Likewise.
7056 2012-01-02 Jakub Jelinek <jakub@redhat.com>
7058 * passes.c (register_one_dump_file): Free full_name.
7060 * reload1.c (reload): Don't allocate reg_max_ref_width here.
7061 (calculate_elim_costs_all_insns): Free offsets_at and
7062 offsets_known_at at the end and clear the pointers.
7064 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7066 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
7067 this option introduced in r180739.
7069 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7072 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
7073 (tmake_file target=avr): Add avr/t-multilib.
7075 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
7076 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
7077 * config/avr/genmultilib.awk: New file.
7078 * config/avr/t-multilib: New auto-generated file.
7079 * config/avr/multilib.h: New auto-generated file.
7080 * config/avr/t-avr (AVR_MCUS): New variable.
7081 (genopt.sh): Use it.
7082 (s-mlib): Depend on t-multilib.
7083 (t-multilib, multilib.h): New dependencies.
7084 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
7085 (MULTILIB_OPTIONS): Remove.
7086 (MULTILIB_MATCHES): Remove.
7087 (MULTILIB_DIRNAMES): Remove.
7088 (MULTILIB_EXCEPTIONS): Remove:
7089 * config/avr/genopt.sh: Don't use hard coded file name;
7090 pass AVR_MCUS from t-avr instead.
7092 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7094 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
7096 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
7098 Implement light-weight DImode support.
7099 * config/avr/avr-dimode.md: New file.
7100 * config/avr/avr.md: Include it.
7101 (adjust_len): Add plus64, compare64.
7102 (HIDI): Remove code iterator.
7103 (code_stdname): New code attribute.
7104 (rotx, rotsmode): Remove DI.
7105 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
7107 * config/avr/avr-protos.h (avr_have_dimode): New.
7108 (avr_out_plus64, avr_out_compare64): New.
7109 * config/avr/avr.c (avr_out_compare): Handle DImode.
7110 (avr_have_dimode): New variable definition and initialization.
7111 (avr_out_compare64, avr_out_plus64): New functions.
7112 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
7113 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
7114 (avr_compare_pattern): Skip DImode comparisons.
7116 2012-01-02 Revital Eres <revital.eres@linaro.org>
7118 * ddg.c (def_has_ccmode_p): New function.
7119 (add_cross_iteration_register_deps,
7120 create_ddg_dep_from_intra_loop_link): Call it.
7122 2012-01-02 Richard Guenther <rguenther@suse.de>
7125 * invoke.texi (fassociative-math): Remove spurious paranthesis.
7127 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7129 * gcc.c (process_command): Update copyright notice dates.
7130 * gcov.c (print_version): Likewise.
7131 * gcov-dump.c (print_version): Likewise.
7132 * mips-tfile.c (main): Likewise.
7133 * mips-tdump.c (main): Likewise.
7135 2012-01-01 Ira Rosen <irar@il.ibm.com>
7137 PR tree-optimization/51704
7138 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
7139 a use is inside the basic block or loop before accessing its vect info.
7141 2012-01-01 Jan Hubicka <jhjh@suse.cz>
7143 PR rtl-optimization/51069
7144 * cfgloopmanip.c (remove_path): Removing path making irreducible
7145 region unconditional makes BB part of the region.
7147 2012-01-01 Jakub Jelinek <jakub@redhat.com>
7149 PR tree-optimization/51683
7150 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
7151 calls with side-effects.
7152 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
7154 Copyright (C) 2012 Free Software Foundation, Inc.
7156 Copying and distribution of this file, with or without modification,
7157 are permitted in any medium without royalty provided the copyright
7158 notice and this notice are preserved.