1 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
4 * recog.c (constrain_operands): If extra constraints are present, also
5 accept pseudo-registers with equivalent memory locations during reload.
7 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
9 Backport from the mainline
10 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
13 * config/rs6000/rs6000.md (bswapdi splitters): If
14 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
15 default) is used, generate an alternate sequence that does not
16 depend on using indexed addressing.
18 2012-05-03 David S. Miller <davem@davemloft.net>
21 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
22 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
23 (sparc_emit_float_lib_cmp): Likewise.
25 2012-05-04 Martin Jambor <mjambor@suse.cz>
27 Backport from mainline
28 2012-05-02 Martin Jambor <mjambor@suse.cz>
31 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
32 of a variable when the contect is a function.
34 2012-05-03 Jakub Jelinek <jakub@redhat.com>
37 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
38 append program name to it and pass that as first argument
39 to make_relative_prefix. Always pass standard_libexec_prefix
40 as last argument to make_relative_prefix. If
41 make_relative_prefix returns NULL, fall back to
42 standard_libexec_prefix.
45 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
49 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
50 mode, return that mode.
52 2012-05-03 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/53144
55 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
57 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
59 (vn_reference_lookup_3): Adjust callers.
61 2012-05-02 Jakub Jelinek <jakub@redhat.com>
63 PR tree-optimization/53163
64 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
65 return value from compute_all_dependences.
67 PR rtl-optimization/53160
68 * ree.c (combine_reaching_defs): Handle the case where cand->insn
69 has been modified by ree pass already.
71 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
73 Backport from mainline
74 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
77 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
78 calls to cgraph_node_name in xstrdup.
79 (ipa_make_edge_direct_to_target): Ditto.
80 * tree-sra.c (convert_callers_for_node): Ditto.
81 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
82 * ipa-cp.c (perhaps_add_new_callers): Ditto.
83 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
84 (cgraph_materialize_all_clones): Ditto.
85 * ipa-inline.c (report_inline_failed_reason): Ditto.
86 (want_early_inline_function_p): Ditto.
87 (edge_badness): Ditto.
88 (update_edge_key): Ditto.
89 (flatten_function): Ditto.
91 (inline_always_inline_functions): Ditto.
92 (early_inline_small_functions): Ditto.
94 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
96 Backport from mainline
97 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
99 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
100 Introduce emul_name to select the right linker emulation for
101 powerpc64-*-freebsd*.
102 * configure: Regenerate.
103 * config.gcc: Add bits to support powerpc64-*-freebsd*.
104 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
105 * config/rs6000/freebsd64.h: New file.
106 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
108 (rs6000_savres_strategy): Likewise.
109 (rs6000_savres_routine_name): Likewise.
110 (rs6000_elf_file_end): Likewise.
111 * config/rs6000/t-freebsd64: New file.
112 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
113 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
115 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
117 Backport from mainline
118 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
121 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
123 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
125 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
126 predicate to discriminate types.
128 2012-04-27 Richard Guenther <rguenther@suse.de>
131 * convert.c (convert_to_integer): Avoid infinite recursion for
132 target-defined built-in types.
134 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
137 * config/cris/cris.md ("*andhi_lowpart_v32")
138 ("*andqi_lowpart_v32"): Change first input-only operand from
139 a (match_operand ...) to (match_dup 0). Drop alternatives with
140 const_int-matching constraints for redundancy.
141 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
142 three-operand alternative.
144 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
146 Backport from mainline
147 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
149 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
150 (*addsi_2_zext): Ditto.
151 (*add<mode>_3): Ditto.
152 (*addsi_3_zext): Ditto.
153 (*add<mode>_5): Ditto.
155 2012-04-25 Jakub Jelinek <jakub@redhat.com>
158 * c-typeck.c (set_nonincremental_init,
159 set_nonincremental_init_from_string): Pass true instead of false
160 as IMPLICIT to add_pending_init.
162 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
164 Backport from 2012-04-24 mainline r186768.
167 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
169 2012-04-24 Richard Guenther <rguenther@suse.de>
171 PR tree-optimization/53085
172 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
175 2012-04-24 Jakub Jelinek <jakub@redhat.com>
178 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
180 (output_addressed_constants): Likewise.
183 * varasm.c (get_section): Don't ICE for section conflicts with
184 built-in section kinds.
186 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
188 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
190 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
192 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
194 2012-04-23 Richard Guenther <rguenther@suse.de>
197 * c-typeck.c (build_binary_op): Fix typo.
199 2012-04-23 Jakub Jelinek <jakub@redhat.com>
201 PR tree-optimizations/52891
202 * tree-vect-patterns.c (adjust_bool_pattern): Use
203 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
204 but with non-standard precision.
206 2012-04-22 Ian Lance Taylor <iant@google.com>
208 * godump.c (go_output_typedef): Dump size of structs.
210 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
212 Backport from mainline:
214 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
215 hints for 'A' operand types.
217 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
219 Backport from 2012-04-19 mainline r186588.
222 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
225 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
227 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
229 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
232 * config/i386/sync.md (atomic_<code><mode>): Rename to
233 atomic_<logic><mode>.
235 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
237 Backport from mainline
238 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
241 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
242 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
243 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
244 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
245 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
246 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
247 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
248 gen_avx2_permvarv8sf.
250 2012-04-16 Martin Jambor <mjambor@suse.cz>
252 Backported from mainline
254 2012-04-13 Martin Jambor <mjambor@suse.cz>
257 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
258 fold_ctor_reference returns a zero constant.
260 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
262 Backported from mainline
263 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
266 and __ILP32__ for x32.
268 2012-04-13 Tom de Vries <tom@codesourcery.com>
270 Backport from mainline r186418.
272 2012-04-13 Tom de Vries <tom@codesourcery.com>
274 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
275 parameters vuse and vuse_escaped.
276 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
277 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
280 2012-04-13 Richard Guenther <rguenther@suse.de>
282 PR tree-optimization/52969
283 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
284 the condition for the COND_EXPR and handle predicate negation
285 by swapping the COND_EXPR arms.
287 2012-04-13 Richard Guenther <rguenther@suse.de>
290 * convert.c (convert_to_pointer): Remove special-casing of
293 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
295 Backport from mainline
296 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
299 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
300 the list of options to enable the FCFID instruction.
301 (TARGET_EXTRA_BUILTINS): Adjust comment.
303 2012-04-12 Richard Guenther <rguenther@suse.de>
305 PR tree-optimization/52943
306 * tree-chrec.h (chrec_is_positive): Remove.
307 * tree-scalar-evolution.c (chrec_is_positive): Move ...
308 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
309 Return false for a constant zero instead of negative.
310 (analyze_siv_subscript_cst_affine): Handle zero difference
311 in the initial condition explicitely.
313 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
316 * varasm.c (process_pending_assemble_externals): Set
317 pending_assemble_externals_processed true.
318 (assemble_external): Call assemble_external_real if the pending
319 assemble externals have been processed.
321 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
324 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
325 the DECL generated for the special GOT helper.
327 2012-04-06 Walter Lee <walt@tilera.com>
329 Backport from mainline
330 2012-03-07 Walter Lee <walt@tilera.com>
332 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
333 REG_CFA_* notes for the stack pointer.
334 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
335 EH_RETURN_STACKADJ_RTX.
336 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
337 generate REG_CFA_* notes for the stack pointer.
338 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
339 by EH_RETURN_STACKADJ_RTX.
341 2012-04-06 Matt Turner <mattst88@gmail.com>
343 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
345 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
347 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
348 of the destination isn't also a FP_REGS register.
350 2012-04-03 Richard Guenther <rguenther@suse.de>
352 Backport from mainline
353 2012-03-02 Richard Guenther <rguenther@suse.de>
355 PR tree-optimization/52406
356 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
357 (struct indices): Add unconstrained_base member.
358 (struct dr_alias): Remove unused vops member.
359 (DR_UNCONSTRAINED_BASE): New define.
360 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
361 add indices to allow their disambiguation. Make DR_BASE_OBJECT
362 be an artificial access that covers the whole indexed object,
363 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
364 plain decl base-objects to their MEM_REF variant.
365 (dr_may_alias_p): When the base-object of either data reference
366 has unknown size use only points-to information.
367 (compute_affine_dependence): Make dumps easier to read and
369 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
370 DR_REF when looking for packed references.
371 (vect_supportable_dr_alignment): Likewise.
373 2012-04-03 Richard Guenther <rguenther@suse.de>
375 Backport from mainline
376 2012-03-15 Richard Guenther <rguenther@suse.de>
379 * tree-data-ref.c (subscript_dependence_tester_1): Check
380 all dimensions for non-conflicting access functions.
382 2012-04-03 Richard Guenther <rguenther@suse.de>
384 Backport from mainline
385 2012-03-06 Richard Guenther <rguenther@suse.de>
388 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
390 2012-03-23 Richard Guenther <rguenther@suse.de>
392 PR tree-optimization/52678
393 * tree-vectorizer.h (struct _stmt_vec_info): Add
394 loop_phi_evolution_part member.
395 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
396 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
397 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
398 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
399 Use the cached evolution part and the PHI nodes value from
400 the loop preheader edge instead of re-analyzing the evolution.
402 2012-03-26 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/52701
405 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
406 compute and set the evolution part of PHI nodes.
408 2012-03-30 Richard Guenther <rguenther@suse.de>
410 PR tree-optimization/52754
411 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
412 propagate arbitrary addresses into really plain dereferences.
414 2012-04-03 Jakub Jelinek <jakub@redhat.com>
416 PR tree-optimization/52835
417 * tree-data-ref.c (build_rdg): Return NULL if
418 compute_data_dependences_for_loop failed.
420 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
422 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
423 (stmt_can_make_abnormal_goto): Use it.
424 (is_ctrl_altering_stmt): Likewise.
426 2012-03-31 Martin Jambor <mjambor@suse.cz>
428 Backported from mainline
429 2012-03-30 Martin Jambor <mjambor@suse.cz>
431 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
432 is a builtin_stack_save in a dominating BB.
434 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
436 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
437 crossing 128bit lane boundary.
439 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
441 Backported from mainline
442 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
445 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
447 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
448 * config/i386/i386.c: Include reload.h.
449 (ix86_legitimize_reload_address): New function.
451 2012-03-28 Martin Jambor <mjambor@suse.cz>
453 Backported from mainline
454 2012-03-27 Martin Jambor <mjambor@suse.cz>
457 * tree-sra.c (sra_modify_assign): Do not call
458 load_assign_lhs_subreplacements when working with an unscalarizable
461 2012-03-28 Jakub Jelinek <jakub@redhat.com>
464 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
465 __builtin_va_start to __builtin_next_arg if the latter is
466 builtin_decl_explicit_p rather than when it is not.
469 * tree-vect-generic.c (vector_element): Perform multiplication
470 for pos in bitsizetype type instead of idx type.
472 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
474 Backport from 2012-03-28 mainline r185910.
477 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
478 (avr_builtin_decl): New static function.
479 (struct avr_builtin_description, avr_bdesc): Move up.
480 Add GTY marker. Add field fndecl. Remove redundant field id.
481 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
482 (avr_expand_builtin): Code cleanup because .id is removed.
484 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
487 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
490 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
492 Backport from 2012-03-28 mainline r185907.
495 * config.gcc (tm_file): Remove avr/multilib.h.
497 * doc/invoke.texi (AVR Options): Adjust
498 documentation of -mtiny-stack.
500 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
501 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
502 * config/avr/t-avr: Remove generation of multilib.h.
503 * config/avr/t-multilib: Regenerate.
504 * config/avr/multilib.h: Remove.
505 * config/avr/avr.opt (-msp8): New option.
506 (avr_sp8): New variable.
507 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
508 * config/avr/avr.h (AVR_HAVE_SPH): New define.
509 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
510 (avr_device_to_sp8): New prototype.
511 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
512 (DRIVER_SELF_SPECS): New define.
513 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
514 __AVR_SP8__, __AVR_HAVE_SPH__.
515 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
516 AVR_HAVE_8BIT_SP to decide if SP_H is present.
517 (avr_file_start): Ditto.
519 2012-03-28 Jakub Jelinek <jakub@redhat.com>
522 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
523 instead of 8 in adjust_address.
525 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
527 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
528 of a unit before computing the offset in units.
530 2012-03-27 Richard Guenther <rguenther@suse.de>
533 * fold-const.c (try_move_mult_to_index): Handle &x.array more
536 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
539 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
541 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
544 * varasm.c: Include pointer-set.h.
545 (pending_assemble_externals_set): New pointer set.
546 (process_pending_assemble_externals): Destroy the pointer set.
547 (assemble_external): See if decl is in pending_assemble_externals_set,
548 and add it to pending_assemble_externals if necessary.
549 (init_varasm_once): Allocate pending_assemble_externals_set.
551 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
553 Backported from mainline
554 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
557 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
558 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
559 (vector_ltgt<mode>): Likewise.
560 (vector_ordered<mode>): Likewise.
561 (vector_unordered<mode>): Likewise.
562 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
564 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
566 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
569 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
571 Backported from mainline
572 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
576 * config/sh/sh.c (sh_register_move_cost): Increase cost between
577 GENERAL_REGS and FP_REGS for SImode.
579 2012-03-22 Jakub Jelinek <jakub@redhat.com>
582 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
583 on any new_local_var_chain vars declared during recursing on
584 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
586 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
588 Backport from 2012-03-22 mainline r185692.
591 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
592 (unspecv): Add UNSPECV_MEMORY_BARRIER.
593 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
594 (delay_cycles_1, delay_cycles_2): Ditto.
595 (delay_cycles_3, delay_cycles_4): Ditto.
596 (nopv, *nopv): Ditto.
597 (sleep, *sleep): Ditto.
600 Backport from 2012-03-21 mainline r185605.
602 PR rtl-optimization/52543
604 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
605 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
606 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
607 (avr_load_libgcc_p): Restrict to __flash loads.
608 (avr_out_lpm): Only handle 1-byte loads from __flash.
609 (avr_load_lpm): New function.
610 (avr_find_unused_d_reg): Remove.
611 (avr_out_lpm_no_lpmx): Remove.
612 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
613 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
614 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
615 (load_<mode>, load_<mode>_clobber): New insns.
616 (mov<mode>): For multi-byte move from non-generic
617 16-bit address spaces: Expand to load_<mode> resp.
619 (load<mode>_libgcc): Remove expander.
620 (split-lpmx): Remove split.
622 Backport from 2012-03-13 mainline r185329.
625 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
626 offset (size) to a value the insns can deal with.
627 (expand_epilogue): Ditto.
629 Backport from 2012-03-12 mainline r185256.
632 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
633 type from reg_class_t to enum reg_class.
634 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
636 Backport from 2012-03-12 mainline r185253.
639 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
640 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
641 r184615 from 2012-02-28.
643 Backport from 2012-03-08 mainline r185105.
645 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
646 for constants in [-63,63].
648 Backport from 2012-03-08 mainline r185100.
651 * config/avr/avr.c (avr_mem_clobber): New static function.
652 (avr_expand_delay_cycles): Add memory clobber operand to
653 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
654 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
655 (enable_interrupt, disable_interrupt): New expander.
656 (nopv, sleep, wdr): New expanders.
657 (delay_cycles_1): Add memory clobber.
658 (delay_cycles_2): Add memory clobber.
659 (delay_cycles_3): Add memory clobber.
660 (delay_cycles_4): Add memory clobber.
661 (cli_sei): New insn from former "enable_interrupt",
662 "disable_interrupt" with memory clobber.
663 (*wdt): New insn from former "wdt" with memory clobber.
664 (*nopv): Similar, but for "nopv".
665 (*sleep): Similar, but for "sleep".
667 Backport from 2012-03-07 mainline r185043.
670 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
672 Backport from 2012-03-07 mainline r185032.
675 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
676 to: RAMPZ, RAMPY, RAMPX, RAMPD.
677 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
679 Backport from 2012-03-07 mainline r185031.
682 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
684 * config/avr/avr.md (xload_8): Adjust insn length.
686 Backport from 2012-03-07 mainline r185030.
689 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
690 if RAMPZ affects reading from RAM.
692 Backport from 2012-03-05 mainline r184919.
694 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
696 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
698 Backport from mainline r185259.
701 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
702 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
704 2012-03-22 Jakub Jelinek <jakub@redhat.com>
706 Backported from mainline
707 2012-03-13 Jakub Jelinek <jakub@redhat.com>
710 * c-parser.c (c_parser_postfix_expression)
711 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
713 * config/i386/smmintrin.h: Avoid /* within a comment.
714 * config/i386/nmmintrin.h: Likewise.
716 2012-03-22 Richard Guenther <rguenther@suse.de>
718 * BASE-VER: Set to 4.7.1.
719 * DEV-PHASE: Set to prerelease.
721 2012-03-22 Release Manager
723 * GCC 4.7.0 released.
725 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
727 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
729 2012-03-15 Jakub Jelinek <jakub@redhat.com>
730 Andrew Pinski <apinski@cavium.com>
733 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
734 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
735 calls instead of __builtin_ir{int,ound}*.
737 2012-03-14 Jakub Jelinek <jakub@redhat.com>
740 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
743 2012-03-13 Joseph Myers <joseph@codesourcery.com>
745 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
746 Refer to GCC 4.7 version of c99status.html.
748 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
750 Backport from mainline
751 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
753 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
754 redefine to be NULL if the current bit-size is different from the
757 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
758 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
759 set the default tuning. Add asserts to make sure the cpu and tune
760 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
761 test whether the index is set, instead of > 0.
762 (rs6000_file_start): Do not reset the default cpu if the current
763 bit-size is different from the configured bit-size.
765 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
767 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
769 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
770 Update binutils references.
771 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
772 Update binutils reference.
773 Update Sun as/GNU ld caveat.
774 Document binutils largefile requirement for LTO plugin.
775 Remove reference to alternate libpthread.
777 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
779 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
781 (Specific, mips-sgi-irix6): Likewise.
783 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
785 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
786 * configure: Regenerate.
788 2012-03-07 Richard Henderson <rth@redhat.com>
790 * config/m68k/m68k.h (ISA_HAS_TAS): New.
791 * config/m68k/sync.md (atomic_test_and_set): Use it.
792 (atomic_test_and_set_1): Likewise.
794 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
797 * Makefile.in: Let install-gcc-ar depend on installdirs,
798 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
799 Don't double canonicalize if cross-compiling.
801 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
803 * trans-mem.c: New typedef for tm_region_p.
804 Define vector types for tm_region_p.
805 (tm_region_init): Replace region_worklist to a vector called
808 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
811 * trans-mem.c (tm_region_init): Use last_basic_block.
813 2012-03-05 Richard Henderson <rth@redhat.com>
816 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
817 * omp-low.c (expand_omp_atomic): Assume anything aligned to
818 BIGGEST_ALIGNMENT is aligned.
820 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
822 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
824 2012-03-05 Richard Henderson <rth@redhat.com>
827 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
828 instead of calling negqi2 directly.
830 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
832 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
833 (INTMAX_TYPE): Use it.
834 (UINTMAX_TYPE): Likewise.
835 (SUBTARGET_OVERRIDE_OPTIONS): Define.
836 (irix6_c_common_override_options): Declare.
837 (C_COMMON_OVERRIDE_OPTIONS): Define.
838 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
839 * config/mips/irix6-c.c: New file.
840 * config/mips/t-irix6 (irix6-c.o): New target.
841 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
844 2012-03-02 Richard Henderson <rth@redhat.com>
846 * optabs.c (expand_atomic_test_and_set): Honor
847 atomic_test_and_set_trueval even when atomic_test_and_set
850 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
852 Backport from mainline
853 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
855 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
857 2012-03-02 Richard Guenther <rguenther@suse.de>
859 * DEV-PHASE: Set to prerelease.
861 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
863 * config.gcc (obsolete): Add all ARM targets using the FPA.
864 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
865 * doc/install.texi: Avoid references to obsolete ARM ports.
867 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
869 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
871 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
872 Joern Rennecke <joern.rennecke@embecosm.com>
874 * doc/extend.texi: Expand and update information on interrupt
875 attribute for Epiphany.
877 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
879 * config/sh/sh-protos.h: Update copyright notice dates.
880 * config/sh/sh.h: Likewise.
881 * config/sh/sh.md: Likewise.
882 * config/sh/constraints.md: Likewise.
883 * config/sh/predicates.md: Likewise.
885 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
887 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
888 * config/sh/sh.c (tertiary_reload_operand): Likewise.
890 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
892 * config/sh/constraints.md: Fix comment typo.
894 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
897 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
898 unsigned HOST_WIDE_INT.
899 (zvdep_imm64): Likewise.
900 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
901 (vdepi_and): Likewise.
902 Likewise for unamed 64-bit patterns.
903 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
905 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
908 PR rtl-optimization/52417
909 * cselib.c (cselib_any_perm_equivs): New variable.
910 (cselib_reset_table): Check that it's not set when not
911 preserving constants.
912 (cselib_add_permanent_equiv): Set it.
913 (cselib_have_permanent_equivalences): New.
914 (cselib_init, cselib_finish): Reset it.
915 * cselib.h (cselib_have_permanent_equivalences): Declare.
916 * alias.c (get_addr): Restore earlier behavior when there
917 aren't permanent equivalences.
919 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
921 * config/mn10300/mn10300-modes.def: Fix copyright notice.
922 * config/v850/v850-modes.def: Fix copyright notice.
924 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
926 * doc/extend.texi (AVR Built-in Functions): Document
927 __builtin_avr_flash_segment.
929 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
930 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
931 (*split.flash_segment): New insn-and-split.
932 * config/avr/avr.c (avr_init_builtins): Add local variables:
933 const_memx_void_node, const_memx_ptr_type_node,
934 char_ftype_const_memx_ptr.
936 2012-03-01 Jakub Jelinek <jakub@redhat.com>
938 PR tree-optimization/52445
939 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
940 add ssa_name_ver, offset and size fields and change store field
942 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
943 (add_or_mark_expr): Likewise. Only consider previous stores
944 with the same size and offset.
945 (nt_init_block): Only look at gimple_assign_single_p stmts,
946 doesn't look at rhs2.
948 2012-03-01 Richard Guenther <rguenther@suse.de>
951 * tree-cfg.c (verify_gimple_assign_unary): Allow any
952 conversions from integral types to pointer types.
954 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
956 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
957 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
958 unintentionally removed in r184616.
960 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
962 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
965 2012-02-29 Jakub Jelinek <jakub@redhat.com>
966 Uros Bizjak <ubizjak@gmail.com>
969 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
970 alternatives, add "e" constraint to the new last alternative
971 and ! to last 3 alternatives.
973 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
975 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
976 DW_AT_artificial attributes at the end of the processing.
977 (gen_array_type_die): Likewise.
978 (gen_enumeration_type_die): Likewise.
979 (gen_struct_or_union_type_die): Likewise.
980 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
983 2012-02-29 Jakub Jelinek <jakub@redhat.com>
986 * expr.c (expand_assignment): If doing misaligned store that doesn't
987 cover all mode bits, perform a RMW cycle.
989 PR tree-optimization/52429
990 * tree-parloops.c (separate_decls_in_region_debug): Return early
991 if var is LABEL_DECL.
993 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
995 PR tree-optimization/52424
996 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
997 calling dom_thread_across_edge.
999 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1001 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1003 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1005 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1006 * config/avr/avr.c (avr_output_bld): Remove unused function.
1007 (avr_out_sbxx_branch): Use "%T" to print bit position.
1009 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1011 * config/avr/avr.md: Untabify.
1013 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1015 * config/avr/avr.md (eqne): New code iterator.
1016 (*dec-and-branchsi): Use it in text peephole's condition.
1017 (*dec-and-branchhi): Ditto.
1018 (*dec-and-branchqi): Ditto.
1020 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1023 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1024 the device does not have the skip-bug.
1026 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1028 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1029 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1030 -mpretend-cmove): New.
1032 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1035 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1036 doesn't count DEBUG_INSN refs.
1037 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1038 for DEBUG_INSN refs.
1040 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1044 2012-02-20 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/52298
1046 * tree-vect-stmts.c (vectorizable_load): Properly use
1047 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1050 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1053 * gimple.h (gimple_in_transaction): New.
1054 (gimple_set_in_transaction): New.
1055 (struct gimple_statement_base): Add in_transaction field.
1056 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1058 (tree_ssa_lim_initialize): Compute transaction bits.
1059 * tree.h (compute_transaction_bits): Protoize.
1060 * trans-mem.c (tm_region_init): Use the heap to store BB
1062 (compute_transaction_bits): New.
1064 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1066 * gcc.c (display_help): Document --help=common and sort entries
1069 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1071 * doc/install.texi: Document check-$LANG specific shortcuts
1073 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1076 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1078 * config/arm/arm_neon.h: Regenerate.
1079 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1080 (neon_vcgeu): New insn.
1081 (neon_vcgtu): Likewise.
1082 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1083 (ops): Unsigned comparison intrinsics call a different
1086 2012-02-28 Richard Guenther <rguenther@suse.de>
1089 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1090 ordering for the VEC_CONCAT for two element vectors for
1091 V2SFmode, V2SImode and V2DImode.
1093 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1096 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1097 detecting big-endian triplets.
1099 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1101 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1102 mode if there is no type information available.
1104 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1106 PR tree-optimization/53207
1107 * doc/invoke.texi: Document as experimental and relying on graphite.
1109 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1111 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1112 of initializer to changes from r184614.
1114 2012-02-28 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/52395
1117 * tree-sra.c (build_ref_for_offset): Also look at the base
1118 TYPE_ALIGN when figuring out the alignment of the replacement.
1120 2012-02-28 Richard Guenther <rguenther@suse.de>
1122 PR tree-optimization/52402
1123 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1124 mis-aligned types when creating the accesses at the call site.
1126 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1128 * config/avr/builtins.def: New file.
1129 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1130 * config/avr/avr.c (enum avr_builtin_id): Use it.
1131 (avr_init_builtins): Use it. And use avr_bdesc.
1132 (bdesc_1arg): Remove.
1133 (bdesc_2arg): Remove.
1134 (bdesc_3arg): Remove.
1135 (struct avr_builtin_description): Add field n_args.
1136 (avr_bdesc): New static variable using builtins.def.
1137 (avr_expand_builtin): Use it.
1138 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1139 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1140 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1142 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1145 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1146 match only one single hard register with respective hard reg rtx.
1147 (movmemx_<mode>): Ditto.
1148 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1149 insn anatomy of movmem[x]_<mode>.
1150 (avr_out_movmem): Same for printing assembler and operand usage.
1152 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1156 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1157 address spaces located outside of device flash.
1159 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1160 (mcu_type_s): Add field n_flash.
1161 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1162 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1163 (AVR_MCU): Add N_FLASH argument.
1164 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1165 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1166 macro __FLASH<n> if that address space makes sense for the device.
1167 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1168 outside of target flash.
1169 (avr_asm_named_section): Ditto.
1170 (avr_asm_select_section): Ditto.
1171 (avr_addr_space_convert): Ditto.
1172 (avr_emit_movmemhi): Ditto.
1173 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1174 address space is outside of device flash.
1175 (avr_insert_attributes): Ditto.
1176 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1177 avr_current_arch->n_segments.
1179 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1182 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1184 (*movabs<mode>_2): Likewise.
1186 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1189 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1190 s_register_operand in the test instead of REG_P. Don't call
1191 gen_reg_rtx if it won't be used.
1193 PR tree-optimization/52376
1194 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1196 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1198 * ifcvt.c (noce_get_condition): Check condition variable is not
1199 small_register_classes_for_mode_p before accepting.
1201 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1203 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1205 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1208 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1209 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1211 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1213 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1215 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1217 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1219 * config/sh/predicates.md: Remove blank lines.
1220 * config/sh/sh.c: Fix typos in comments.
1221 * config/sh/constraints.md: Likewise.
1222 * config/sh/sh.md: Remove blank lines.
1223 Fix typos in comments. Use ;; as comment characters.
1225 2012-02-26 Walter Lee <walt@tilera.com>
1227 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1228 (replace_mov_pcrel_step2): Ditto.
1230 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1233 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1234 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1235 and locs that reference values newer than the non-canonical value
1236 at hand. Return the canonical value as a worst case.
1237 (memrefs_conflict_p): Walk canonical value's locs.
1240 * cselib.c (preserve_only_constants): Rename to...
1241 (preserve_constants_and_equivs): ... this. Split out...
1242 (invariant_or_equiv_p): ... this. Preserve plus expressions
1243 of other preserved expressions too.
1244 (cselib_reset_table): Adjust.
1245 * var-tracking.c (reverse_op): Use canonical value to build
1248 2012-02-23 Kai Tietz <ktietz@redhat.com>
1250 * config/i386/i386.c (ix86_delegitimize_address): Handle
1251 UNSPEC_PCREL plus displacement.
1253 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1256 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1257 to test for unusedness in st X addressing.
1259 2012-02-24 Richard Guenther <rguenther@suse.de>
1262 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1263 (is_gimple_reg_type): Move inline ...
1264 * gimple.h (is_gimple_reg_type): ... here.
1266 2012-02-24 Richard Guenther <rguenther@suse.de>
1269 * passes.c (execute_function_todo): When verifying SSA form
1270 verify gimple form first.
1271 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1273 2012-02-24 Richard Guenther <rguenther@suse.de>
1276 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1277 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1279 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1281 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1283 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1285 * tree-phinodes.c (make_phi_node): Mark static.
1286 * tree-flow.h (make_phi_node): Remove extern decl.
1287 * doc/gimple.texi (make_phi_node): Remove documentation.
1289 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1291 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1292 * tree-ssa-sccvn.c (print_scc): Ditto.
1294 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1296 * doc/passes.texi (Full redundancy elimination): Fix typo.
1298 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1300 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1302 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1305 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1307 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1310 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1312 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1314 * config/avr/avr.md (code_stdname): Add ior, xor.
1315 (xior): New code iterator.
1316 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1317 (*<code_stdname><mode>qi.byte1-3): Ditto.
1319 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1321 PR tree-optimization/52019
1322 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1325 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1327 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1328 HAVE_INITFINI_ARRAY to work around namespace pollution in
1329 certain versions of newlib system headers.
1330 * config.in: Regenerate.
1331 * configure: Regenerate.
1332 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1333 instead of HAVE_INITFINI_ARRAY.
1335 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1338 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1339 is not offsettable memory reference.
1341 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1344 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1345 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1347 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1349 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1350 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1352 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1354 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1355 library on Solaris 8 even without TLS support.
1356 * configure: Regenerate.
1358 2012-02-22 Richard Guenther <rguenther@suse.de>
1361 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1362 for GIMPLE_DEBUG stmts.
1364 2012-02-22 Martin Jambor <mjambor@suse.cz>
1367 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1368 according to the base object.
1370 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1372 PR rtl-optimization/50063
1373 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1374 and 2 (8-bit SP) in operand 2.
1375 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1376 setup to use movhi_sp_r instead of vanilla move to write SP.
1377 Adjust REG_CFA notes to superseed unspec.
1378 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1380 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1381 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1382 irq_state 1 (IRQ known to be on) here.
1384 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1386 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1388 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1389 assign_hard_reg): Likewise.
1391 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1393 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1395 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1398 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1399 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1401 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1403 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1404 prototype from here to...
1405 * config/avr/avr.h: ...here.
1407 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1410 * thumb2.md (thumb2_shiftsi3_short): Split register and
1411 immediate shifts. For register shifts tie operands 0 and 1.
1412 (peephole2 for above): Check that register-controlled shifts
1413 have suitably tied operands.
1415 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1418 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1419 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1420 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1421 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1422 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1423 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1424 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1425 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1426 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1427 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1428 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1429 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1430 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1431 bdver1_ssevector_avx256_unaligned_load,
1432 bdver1_ssevector_sse128_unaligned_load,
1433 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1434 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1435 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1436 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1437 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1438 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1439 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1440 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1441 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1442 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1443 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1444 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1445 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1446 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1447 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1448 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1449 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1450 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1451 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1452 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1453 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1454 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1455 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1456 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1457 bdver1_ssediv_double_load, bdver1_ssediv_double,
1458 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1459 Add "bdver2" attribute.
1461 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1463 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1464 default if possible and not specified otherwise.
1466 2012-02-21 Richard Guenther <rguenther@suse.de>
1469 * gimplify.c (create_tmp_from_val): Use the main variant type
1470 for the type of the temporary we create.
1472 2012-02-21 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/52324
1475 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1476 do not gimplify a MEM_REF address operand if it is already
1479 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1481 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1482 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1484 2012-02-21 Richard Guenther <rguenther@suse.de>
1486 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1487 nested_in_vect_loop.
1489 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1491 PR tree-optimization/52318
1492 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1493 vdef also to non-pure/const call stmts in the sequence.
1495 2012-02-20 David S. Miller <davem@davemloft.net>
1497 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1498 don't use the "rd %pc" instruction on v9 for PIC register loads.
1500 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1503 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1504 in a transaction safe function.
1506 2012-02-20 Kai Tietz <ktietz@redhat.com>
1509 * stor-layout.c (place_field): Handle desired_align for
1512 2012-02-20 Richard Guenther <rguenther@suse.de>
1514 PR tree-optimization/52298
1515 * tree-vect-stmts.c (vectorizable_store): Properly use
1516 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1518 (vectorizable_load): Likewise.
1519 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1520 Access DR_STEP after ensuring it is not NULL.
1522 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1524 PR tree-optimization/52286
1525 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1526 optimization use double_int_to_tree instead of build_int_cst_wide,
1527 rewrite to use double_int vars.
1529 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1532 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1534 Remove -e 0 from $gcc_cv_ld invocation.
1535 Only use __GLIBC_PREREQ if defined.
1536 Enable on Solaris since Solaris 8 patch.
1537 (gcc_SUN_LD_VERSION): New macro.
1538 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1539 gcc_SUN_LD_VERSION for version number format.
1540 * configure: Regenerate.
1541 * varasm.c (get_elf_initfini_array_priority_section): Set
1542 SECTION_NOTYPE for non-default priority.
1543 Use get_section instead of get_unnamed_section to emit
1544 .init_array/.fini_array with default priority.
1546 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1548 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1549 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1550 (mips_start_unique_function, mips_output_mips16_rdhwr)
1551 (mips_code_end): New functions.
1552 (TARGET_ASM_CODE_END): Define.
1554 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1556 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1557 to stubs with non-sibling calls.
1559 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1561 * doc/invoke.texi (-fira-* options): Copy-edit.
1562 (ira-* parameters): Copy-edit.
1564 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1566 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1567 GCC coding conventions.
1569 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1571 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1572 when used as adjectives.
1574 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1576 * doc/invoke.texi: Clean up "that"/"which" confusion.
1578 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1580 * system.h: Poison SMALL_REGISTER_CLASSES
1581 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1582 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1584 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1586 PR tree-optimization/52285
1587 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1588 when deciding if a call is a tail call or tail recursion.
1590 2012-02-16 Kai Tietz <ktietz@redhat.com>
1592 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1593 interger-constant displacement for UNSPEC_PCREL.
1595 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1597 PR rtl-optimization/52208
1598 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1599 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1601 PR tree-optimization/52255
1602 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1603 loop->header has virtual PHI, but exit_e->dest doesn't, add
1604 virtual PHI to exit_e->dest and adjust all uses after the loop.
1607 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1608 children with clone_tree_hash, not after it.
1610 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1612 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1613 extended identifiers.
1615 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1618 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1619 a same_body_alias, also test whether e->callee isn't a former
1620 or current clone of the decl this is a same body alias of.
1622 PR translation/52264
1623 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1625 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1627 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1629 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1632 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1633 force_reg instead of copy_to_reg for better optimization. Force
1634 non-register or memory operands into a register.
1636 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1638 * extend.texi: Reserve upper bits of memory model for future use.
1640 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1641 Anatoly Sokolov <aesok@post.ru>
1642 Eric Weddington <eric.weddington@atmel.com>
1645 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1646 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1647 Rewrite initializers for .macro.
1648 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1649 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1650 atxmega32d4, atxmega32x1.
1651 avrxmega4: atxmega64a3, atxmega64d3.
1652 avrxmega5: atxmega64a1, atxmega64a1u.
1653 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1654 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1655 avrxmega7: atxmega128a1, atxmega128a1u.
1656 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1657 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1658 (struct base_arch_s): Rename reserved to xmega_p.
1659 Rename reserved2 to have_rampd.
1660 (AVR_XMEGA): New define.
1661 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1662 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1663 * config/avr/predicates.md (io_address_operand): Take into
1665 (low_io_address_operand): Ditto.
1666 (high_io_address_operand): Ditto.
1667 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1668 (enabled, movhi_sp_r): Use them.
1669 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1670 cpp_define_formatted to built-in define __AVR_ARCH__.
1671 (__AVR_XMEGA__): New built-in define.
1672 (__AVR_HAVE_RAMPD__): New built-in define.
1673 (__AVR_HAVE_RAMPX__): New built-in define.
1674 (__AVR_HAVE_RAMPY__): New built-in define.
1675 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1677 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1678 (avr_option_override): Initialize them.
1679 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1680 (avr_init_expanders): Initialize them. No more block several calls.
1681 (emit_push_sfr): New static function.
1682 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1684 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1685 (avr_print_operand): Print addreeses as symbols for
1686 RAMPX, RAMPY, RAMPD, CCP.
1687 (output_movhi): Handle AVR_XMEGA when writing to SP.
1688 (avr_out_movhi_mr_r_xmega): New static function.
1689 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1690 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1691 __RAMPD__, __CCP__ as needed.
1693 * config/avr/multilib.h: Regenerate.
1694 * config/avr/t-multilib: Regenerate.
1695 * config/avr/avr-tables.opt: Regenerate.
1697 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1699 PR tree-optimization/50561
1700 * graphite-flattening.c (lst_project_loop): Do not
1701 remove old scattering dimensions after flattening.
1702 (lst_do_flatten): Likewise.
1704 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1706 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1707 __builtin_avr_map8, __builtin_avr_map16.
1708 Document __builtin_avr_insert_bits.
1710 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1711 (insert_bits): New insn.
1712 (adjust_len.map_bits): Rename to insert_bits.
1713 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1714 * avr-protos.h (avr_out_map_bits): Remove.
1715 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1716 * config/avr/constraints.md (Cxf,C0f): New.
1717 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1718 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1719 New built-in define __BUILTIN_AVR_INSERT_BITS.
1720 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1721 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1722 (avr_move_bits): Rewrite.
1723 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1725 (avr_map_op_t): New typedef.
1726 (avr_map_op): New static variable.
1727 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1728 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1729 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1730 (bdesc_3arg, avr_expand_triop_builtin): New.
1731 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1732 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1733 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1734 (avr_map_equal_p, avr_map_sig_p): Remove.
1735 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1736 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1737 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1738 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1739 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1740 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1742 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1744 * config/c6x/c6x.md (reserve_cycles): New attribute.
1745 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1746 don't reserve functional units after the branch occurs.
1748 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1751 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1752 functions into non-tm_pure functions.
1754 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1757 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1758 (iterative_hash_canonical_type): Likewise.
1759 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1762 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1764 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1765 sched-group insn, it either remains alone or the entire list is pruned.
1767 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1769 * doc/install.texi (Prerequisites): Fix grammar.
1770 (Configuration): Likewise.
1772 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1774 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1775 MPC as part of GCC before describing configuring with --with-gmp etc.
1776 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1777 sources are present.
1779 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1782 * dwarf2out.c (clone_tree_hash): New function.
1783 (copy_decls_walk): Use it instead of clone_tree.
1785 2012-02-14 Richard Guenther <rguenther@suse.de>
1787 PR tree-optimization/52244
1788 PR tree-optimization/51528
1789 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1790 replacements for integral types.
1792 2012-02-14 Walter Lee <walt@tilera.com>
1794 * config.gcc: Handle tilegx and tilepro.
1795 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1797 Add HAVE_AS_TLS check for tilegx and tilepro.
1798 * configure: Regenerate.
1799 * doc/contrib.texi: Add Mat Hostetter and self.
1800 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1801 Document instruction intrinsics and network accessing intrinsics.
1802 (TILEPro Built-in Functions): New node. Document instruction
1803 intrinsics and network accessing intrinsics.
1804 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1805 (Specific, tilepro-*-linux*): Likewise.
1806 * doc/invoke.texi (TILE-Gx Options): New section.
1807 (TILEPro Options): New section.
1808 * doc/md.texi (TILE-Gx): New section.
1809 (TILEPro): New section.
1810 * common/config/tilegx/tilegx-common.c: New file.
1811 * common/config/tilepro/tilepro-common.c: New file.
1812 * config/tilegx/constraints.md: New file.
1813 * config/tilegx/linux.h: New file.
1814 * config/tilegx/mul-tables.c: New file.
1815 * config/tilegx/predicates.md: New file.
1816 * config/tilegx/sync.md: New file.
1817 * config/tilegx/t-tilegx: New file.
1818 * config/tilegx/tilegx-builtins.h: New file.
1819 * config/tilegx/tilegx-c.c: New file.
1820 * config/tilegx/tilegx-generic.md: New file.
1821 * config/tilegx/tilegx-modes.def: New file.
1822 * config/tilegx/tilegx-multiply.h: New file.
1823 * config/tilegx/tilegx-protos.h: New file.
1824 * config/tilegx/tilegx.c: New file.
1825 * config/tilegx/tilegx.h: New file.
1826 * config/tilegx/tilegx.md: New file.
1827 * config/tilegx/tilegx.opt: New file.
1828 * config/tilepro/constraints.md: New file.
1829 * config/tilepro/gen-mul-tables.cc: New file.
1830 * config/tilepro/linux.h: New file.
1831 * config/tilepro/mul-tables.c: New file.
1832 * config/tilepro/predicates.md: New file.
1833 * config/tilepro/t-tilepro: New file.
1834 * config/tilepro/tilepro-builtins.h: New file.
1835 * config/tilepro/tilepro-c.c: New file.
1836 * config/tilepro/tilepro-generic.md: New file.
1837 * config/tilepro/tilepro-modes.def: New file.
1838 * config/tilepro/tilepro-multiply.h: New file.
1839 * config/tilepro/tilepro-protos.h: New file.
1840 * config/tilepro/tilepro.c: New file.
1841 * config/tilepro/tilepro.h: New file.
1842 * config/tilepro/tilepro.md: New file.
1843 * config/tilepro/tilepro.opt: New file.
1845 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1847 PR tree-optimization/52210
1848 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1849 vect_model_simple_cost with two entry vect_def_type array instead
1850 of an address of dt.
1852 2012-02-14 Richard Guenther <rguenther@suse.de>
1855 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1856 Do not stream DECL_QUALIFIER.
1857 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1858 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1859 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1861 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1864 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1867 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1870 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1871 * cselib.c (cselib_subst_to_values_from_insn): New function.
1872 * sched-deps.c (add_insn_mem_dependence,
1873 sched_analyze_1, sched_analyze_2): Use it.
1875 2012-02-13 Jan Hubicka <jh@suse.cz>
1878 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1880 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1882 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1883 (GTM_SELF_SPECS): Define if not already defined.
1884 (driver_self_specs): Add GTM_SELF_SPECS.
1885 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1886 (GTM_SELF_SPECS): Define.
1887 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1888 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1890 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1892 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1895 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1898 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1899 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1901 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1904 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1906 2012-02-13 Richard Guenther <rguenther@suse.de>
1908 PR translation/52211
1909 * passes.c (enable_disable_pass): Fix typo.
1911 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1914 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1915 XOR for reduce_bit_field if type is unsigned.
1917 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1919 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1920 disallow changes from SFmode to mode with different size in FP regs.
1922 2012-02-12 Robert Millan <rmh@gnu.org>
1923 Gerald Pfeifer <gerald@pfeifer.com>
1925 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1928 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1930 PR rtl-optimization/52175
1931 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1932 to frame-related instructions.
1934 2012-02-10 Jason Merrill <jason@redhat.com>
1937 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1938 (demangle_new_symbols): Fill it.
1939 (scan_linker_output): Walk it.
1940 (start_tweaking): Split out from scan_linker_output.
1941 (maybe_tweak): Update sym->chosen.
1942 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1944 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1947 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1949 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1951 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1952 having the same mode as previous compare.
1954 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1956 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1957 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1958 (nonlocal_goto_internal): Likewise.
1959 (nonlocal_goto): Emit a use and an indirect jump directly.
1961 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1964 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1965 __atomic_{is,always}_lock_free.
1967 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1970 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1971 negative constant address for x32.
1973 2012-02-10 Richard Henderson <rth@redhat.com>
1975 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1976 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1977 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1979 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1980 Ira Rosen <irar@il.ibm.com>
1982 PR tree-optimization/50031
1983 * targhooks.c (default_builtin_vectorization_cost): Handle
1985 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1986 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1987 all types of reduction and pattern statements.
1988 (vect_estimate_min_profitable_iters): Likewise.
1989 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1990 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1991 for explicit realigns.
1992 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1993 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1995 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1996 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1997 vec_perm for VSX and handle vec_promote_demote.
1999 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2002 * builtins.c (fold_builtin_atomic_always_lock_free,
2003 expand_builtin_atomic_always_lock_free,
2004 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2005 Return and/or test boolean_true_node/boolean_false_node instead of
2006 integer_one_node/integer_zero_node.
2008 2012-02-10 Jan Hubicka <jh@suse.cz>
2011 * predict.c (predict_paths_for_bb): Prevent looping.
2012 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2014 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2016 * config/arm/arm.c (output_move_double): In one case properly
2017 count number of instructions that will be emitted.
2019 2012-02-10 Richard Guenther <rguenther@suse.de>
2021 PR translation/52193
2022 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2024 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2027 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2029 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2032 * var-tracking.c (emit_note_insn_var_location): If
2033 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2034 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2035 non-NOTE_DURING_CALL_P insn.
2037 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2040 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2042 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2045 * gcc.c (switch_matches) Support switches with separated form,
2048 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2050 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2052 (RAMPZ_ADDR): Ditto.
2053 * config/avr/avr.c (avr_addr_t): New typedef.
2054 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2055 (avr_init_expanders): Initialize it.
2056 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2058 (expand_epilogue): Ditto.
2059 (avr_print_operand): Ditto.
2060 (avr_file_start): Ditto.
2061 (avr_emit_movmemhi): Ditto.
2063 2012-02-08 Richard Guenther <rguenther@suse.de>
2065 PR tree-optimization/46886
2066 * tree-flow.h (do_while_loop_p): Declare.
2067 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2068 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2070 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2072 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2073 always succeed for integers larger than a native word.
2075 2012-02-08 Richard Guenther <rguenther@suse.de>
2077 PR rtl-optimization/52170
2078 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2079 properly handle integer vector modes.
2081 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2083 PR gcov-profile/52150
2084 * coverage.c: Include target.h.
2085 (build_var): Call targetm.strip_name_encoding on the assembler name.
2086 Change one _ into . or $ if the target allows it.
2087 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2089 PR rtl-optimization/52139
2090 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2091 is a BARRIER after emit_insn_after_noloc, move BB_END
2092 to the last non-BARRIER insn before it.
2094 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2097 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2098 (mips_gimplify_va_arg_expr): Call it instead of
2099 std_gimplify_va_arg_expr.
2101 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2103 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2104 message for -mno-pointers-to-nested-function.
2106 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2109 * expr.c (get_inner_reference): If there is an offset, add a negative
2110 bit position to it (if any).
2112 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2114 PR rtl-optimization/52060
2115 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2116 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2117 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2118 and/or i0src_copy2 when needed.
2120 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2122 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2123 or LTOPLUGINSONAME if have_c.
2125 * config/freebsd-spec.h: Add comment about what macros can be defined
2127 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2128 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2131 2012-02-07 Richard Guenther <rguenther@suse.de>
2133 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2134 newline in -alias dumps.
2136 2012-02-07 Kai Tietz <ktietz@redhat.com>
2137 Dave Korn <dave.korn.cygwin@gmail.com>
2140 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2141 Take care that typinfo gets dllexport-attribute.
2143 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2146 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2147 if modifier < EXPAND_SUM call force_operand on the result.
2149 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2151 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2152 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2154 (epiphany_function_type): Replace types for specific interrupts with
2155 EPIPHANY_FUNCTION_INTERRUPT.
2156 (EPIPHANY_INTERRUPT_P): Update.
2157 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2158 New static function.
2159 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2160 <disinterrupt>: Affects type identity.
2161 (epiphany_handle_interrupt_attribute): Handle variable number of
2163 (epiphany_compute_function_type): Update for new
2164 epiphany_function_type definition.
2165 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2166 handlers with a longcall forwarder.
2167 (epiphany_start_function): Handle multiple interrupt arguments and/or
2168 forwarder_section attribute.
2170 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2173 2012-02-07 Alan Modra <amodra@gmail.com>
2176 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2179 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2181 PR tree-optimization/50969
2182 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2183 use vec_perm rather than vector_stmt.
2184 (vect_model_load_cost): Likewise.
2185 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2186 vec_perm to be the same as other vector statements.
2187 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2188 cost of vec_perm for TARGET_VSX.
2190 2012-02-06 Richard Guenther <rguenther@suse.de>
2192 PR tree-optimization/52115
2193 * tree-sra.c (access_has_replacements_p): New function.
2194 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2196 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2199 * trans-mem.c (expand_call_tm): Add an assertion.
2200 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2203 2012-02-06 Richard Guenther <rguenther@suse.de>
2205 PR tree-optimization/50955
2206 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2207 raise cost of expressions that replace an address with an
2208 expression based on a different pointer.
2210 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2213 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2214 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2216 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2219 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2220 -Weffc++ and specify guidelines come from second edition.
2222 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2224 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2225 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2226 (call_direct_split, call_value_split, call_value_internal_direct)
2227 (call_value_direct_split, call_value_multiple_split): Use jal and
2228 jal_macro attributes.
2230 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2232 * reload1.c (reload_regs_reach_end_p): Replace with...
2233 (reload_reg_rtx_reaches_end_p): ...this function.
2234 (new_spill_reg_store): Update commentary.
2235 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2236 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2237 before setting new_spill_reg_store.
2238 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2239 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2240 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2241 for non-spill reload registers.
2243 2012-02-05 Ira Rosen <irar@il.ibm.com>
2245 PR tree-optimization/52091
2246 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2247 (vect_is_simple_use_1): Likewise.
2248 * tree-vect-loop.c (vectorizable_reduction): Update calls
2249 to vect_is_simple_use_1 and vect_is_simple_use.
2250 (vectorizable_live_operation): Likewise.
2251 * tree-vect-patterns.c (widened_name_p,
2252 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2253 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2254 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2255 vectorizable_shift,vectorizable_operation, vectorizable_store,
2256 vectorizable_load): Likewise.
2257 (vect_is_simple_cond): Add an argument, pass it to
2258 vect_is_simple_use_1.
2259 (vectorizable_condition): Update calls to vect_is_simple_cond,
2261 (vect_is_simple_use): Add an argument, the statement in which
2262 OPERAND is used. Check that if OPERAND's def stmt is a double
2263 reduction phi node, the use is a phi node too.
2264 (vect_is_simple_use_1): Add an argument, pass it to
2266 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2267 to vect_is_simple_use.
2269 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2271 PR rtl-optimization/52095
2272 * modulo-sched.c (dump_insn_locator): New function.
2273 (loop_canon_p, sms_schedule): Use it.
2275 PR rtl-optimization/52113
2276 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2277 even for decomposable shift/zext insns.
2279 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2280 Zdenek Dvorak <ook@ucw.cz>
2282 PR rtl-optimization/52092
2283 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2284 on get_iv_value result.
2286 2012-02-02 Andrew Pinski <apinski@cavium.com>
2290 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2292 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2295 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2297 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2299 PR rtl-optimization/49800
2300 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2301 (sched_finish): Call regstat_free_n_sets_and_refs.
2303 2012-02-02 Jia Liu <proljc@gmail.com>
2305 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2308 2012-02-02 Jan Hubicka <jh@suse.cz>
2309 Tom de Vries <tom@codesourcery.com>
2312 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2313 * varpool.c (varpool_analyze_pending_decls): Likewise.
2315 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2316 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2318 * config.gcc: Add cr16-* support.
2320 * doc/extend.texi: Document cr16 extensions.
2321 * doc/install.texi: Document cr16 install.
2322 * doc/invoke.texi: Document cr16 options.
2323 * doc/md.texi: Document cr16 constraints.
2325 * common/config/cr16/cr16-common.c: New file.
2326 * config/cr16/cr16.c: New file.
2327 * config/cr16/cr16.h: New file.
2328 * config/cr16/cr16.md: New file.
2329 * config/cr16/cr16.opt: New file.
2330 * config/cr16/cr16-protos.h: New file.
2331 * config/cr16/predicates.md: New file.
2332 * config/cr16/constraints.md: New file.
2333 * config/cr16/t-cr16: New file.
2335 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2338 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2339 that operands[2] is either immediate, or q_regs_operand.
2341 PR tree-optimization/52073
2342 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2343 a pattern stmt for pattern uses, ignore uses outside of the loop.
2345 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2347 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2348 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2349 (OUT_AS1, OUT_AS2): Remove.
2351 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2353 PR rtl-optimization/51374
2354 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2355 to cross other volatile_refs_p insns.
2357 2012-02-01 Richard Guenther <rguenther@suse.de>
2359 * doc/invoke.texi (fno-inline): Clarify documentation.
2360 (finline-small-functions): Likewise.
2361 (finline-functions): Likewise.
2362 * common.opt (finline): Adjust comment and documentation.
2363 (finline-small-functions): Clarify documentation.
2364 (finline-functions): Likewise.
2365 (finline-functions-called-once): Likewise.
2367 2012-02-01 Tristan Gingold <gingold@adacore.com>
2369 * c-typeck.c (composite_type): Keep mode for pointers.
2371 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2373 * function.h (regno_reg_rtx): Adjust comment.
2374 * reginfo.c (init_reg_modes_target): Only use the previous mode
2375 if it fits within one register. Remove MIPS comment.
2377 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2380 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2382 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2384 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2385 to srak instruction.
2387 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2389 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2391 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2396 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2398 2012-01-31 Richard Guenther <rguenther@suse.de>
2400 PR tree-optimization/51528
2401 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2404 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2409 * ree.c (add_removable_extension): Change def_map argument
2410 to unsigned *, store in def_map 1 + offset into *insn_list vector
2411 instead of pointers into the vector.
2412 (find_removable_extensions): Adjust caller.
2414 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2416 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2417 Transform all "* quoted-c-code" to { c-code }.
2418 Remove redundant test for "optimize" in combine patterns.
2419 Move (include "avr-dimode.md") to end of file.
2421 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2424 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2425 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2427 2012-01-30 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/52028
2430 * tree-loop-distribution.c (ldist_gen): Properly update
2433 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2436 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2437 set_cur_line_info_table if not emitting debug info.
2439 PR tree-optimization/52046
2440 * tree-vect-patterns.c (check_bool_pattern): Give up if
2441 a comparison could throw.
2444 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2446 2012-01-30 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/52045
2449 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2450 SSA form if cfgcleanup did anything.
2452 2012-01-30 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/52045
2455 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2456 before computing final todo.
2458 2012-01-30 Richard Guenther <rguenther@suse.de>
2460 PR tree-optimization/51528
2461 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2464 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2466 * df-problems.c (df_kill_notes): Check that the use refers
2467 to the note under examination.
2469 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2472 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2473 parameter and use short-lived pseudos.
2474 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2475 (sparc_expand_vector_init): Const-ify local variables and adjust
2476 calls to above functions.
2478 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2480 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2482 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2484 * doc/invoke.texi: Make usage of "compile time" and
2485 "run time"/"runtime" consistent throughout the file.
2487 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2489 * config/alpha/alpha.c (alpha_option_override): Default to
2490 full IEEE compliance mode for Go language.
2492 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2494 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2495 (LINK_SSP_SPEC): Define.
2497 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2500 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2503 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2505 * doc/invoke.texi: Correct hyphenation of "floating point",
2506 "double precision", and related terminology throughout the file.
2508 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2511 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2512 arm_general_register_operand predicate for operand 2 instead of
2515 2012-01-27 Ian Lance Taylor <iant@google.com>
2518 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2519 * builtins.c (expand_builtin_init_trampoline): Add onstack
2520 parameter. Change caller.
2521 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2522 * tree.c (build_common_builtin_nodes): Declare
2523 __builtin_init_heap_trampoline.
2525 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2527 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2528 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2529 * config/avr/avr.c: Ditto.
2530 (avr_regnames): Remove because unused.
2531 * config/avr/avr.md (*cpse.ne): New peephole.
2532 (*cpse.eq): New peephole from former cpse peepholes.
2534 2012-01-27 Michael Eager <eager@eagercon.com>
2536 * config/microblaze.c (microblaze_emit_compare): Correct
2537 test after pcmp instruction.
2539 2012-01-27 Richard Guenther <rguenther@suse.de>
2541 PR tree-optimization/52020
2542 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2544 2012-01-27 Richard Guenther <rguenther@suse.de>
2546 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2547 function non-const/pure.
2549 2012-01-27 Richard Guenther <rguenther@suse.de>
2551 PR tree-optimization/50444
2552 * tree-sra.c (build_ref_for_offset): Properly adjust the
2553 MEM_REF type for unaligned accesses.
2555 2012-01-27 Richard Guenther <rguenther@suse.de>
2557 PR tree-optimization/50444
2558 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2559 (expand_assignment): Use it. Properly handle misaligned
2560 bases when expanding stores to component references.
2561 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2564 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2567 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2568 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2569 * tree-data-ref.c (find_data_references_in_loop): Make static.
2570 (compute_all_dependences): Change return type to bool. Bail out
2571 for too many datarefs in a loop. Move the hunk resetting the data
2572 dependences vector from ...
2573 (compute_data_dependences_for_loop): ... here. Account for
2574 compute_all_dependences returning false.
2575 (compute_data_dependences_for_bb): Likewise.
2576 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2577 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2579 2012-01-27 Richard Guenther <rguenther@suse.de>
2582 * expr.c (store_field): Use the alias-set of the scratch memory
2585 2012-01-27 Tom de Vries <tom@codesourcery.com>
2587 PR tree-optimization/51990
2588 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2590 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2592 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2595 * var-tracking.c (reverse_op): Don't add any reverse operation
2596 if V already has any constant locations.
2598 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2600 * doc/invoke.texi: Correct usage of "command line" (noun)
2601 vs "command-line" (adjective) throughout.
2603 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2605 * doc/invoke.texi (Language Independent Options): Move
2606 -Wcoverage-mismatch blurb from here....
2607 (Warning Options): ...to here.
2609 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2611 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2612 Set rs6000_always_hint to false for 476.
2614 2012-01-27 Matthias Klose <doko@ubuntu.com>
2616 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2618 * incpath.c (add_standard_paths): Likewise.
2620 2012-01-27 Richard Henderson <rth@redhat.com>
2622 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2623 * config/m68k/sync.md (atomic_test_and_set): Rename from
2624 sync_test_and_setqi and adjust the operands.
2625 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2626 and unconditionally enable.
2628 2012-01-27 Richard Henderson <rth@redhat.com>
2630 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2631 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2632 (ldstub): Rename from ldstubqi.
2633 (ldstub<I24MODE>): Remove.
2635 2012-01-27 Richard Henderson <rth@redhat.com>
2637 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2638 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2639 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2640 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2641 * doc/tm.texi: Rebuild.
2643 2012-01-27 Richard Henderson <rth@redhat.com>
2645 * optabs.c (gen_atomic_test_and_set): Remove default.
2646 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2648 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2650 PR rtl-optimization/51978
2651 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2652 (combine_reaching_defs): Likewise.
2653 (struct re_info): Remove.
2654 (add_removable_extension): Remove x and data arguments,
2655 add insn, insn_list and def_map. Use the arguments directly
2656 instead of using struct re_info.
2657 (find_removable_extensions): Don't call add_removable_extension
2658 through note_stores, instead just call it with single_set
2660 (find_and_remove_re): Pass curr_cand->expr instead of
2661 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2663 2012-01-26 Michael Matz <matz@suse.de>
2665 PR tree-optimization/46590
2666 * cfgexpand.c: Revert last change (r183305).
2667 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2669 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2670 checking for emptiness.
2672 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2675 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2676 non-addressable non-BLKmode base correctly.
2678 2012-01-26 Michael Matz <matz@suse.de>
2680 PR tree-optimization/48794
2681 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2682 regions referenced from RESX/EH_DISPATCH.
2684 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2686 * config/s390/s390.h: Make BRANCH_COST an option.
2687 * config/s390/s390.opt: New option -mbranch-cost.
2689 2012-01-26 Richard Henderson <rth@redhat.com>
2691 Revert 2012-01-24 change:
2692 * trans-mem.c (requires_barrier): Do not instrument thread local
2693 variables and emit save/restore for them.
2695 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2698 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2701 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2703 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2706 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2709 Rename __pgm to __flash.
2710 Rename __pgm1 to __flash1.
2711 Rename __pgm2 to __flash2.
2712 Rename __pgm3 to __flash3.
2713 Rename __pgm4 to __flash4.
2714 Rename __pgm5 to __flash5.
2715 Rename __pgmx to __memx.
2716 * doc/extend.texi (AVR Named Address Spaces)
2717 Rename address space names as indicated above.
2718 * config/avr/avr.c (avr_addrspace): Ditto.
2720 * config/avr/avr-protos.h
2721 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2722 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2723 * config/avr/predicates.md: Ditto.
2724 * config/avr/avr.c Ditto, and
2725 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2726 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2728 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2729 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2730 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2731 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2732 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2733 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2734 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2735 * config/avr/avr.c: Ditto.
2736 * config/avr/avr.md: Ditto.
2738 2012-01-25 Jason Merrill <jason@redhat.com>
2741 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2743 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2745 PR tree-optimization/51987
2746 * tree-data-ref.c (get_references_in_stmt): Handle references in
2747 non-volatile GIMPLE_ASM.
2749 2012-01-25 Richard Guenther <rguenther@suse.de>
2751 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2752 bases are dereferenced.
2754 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2756 PR rtl-optimization/48374
2757 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2759 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2761 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2762 compute_data_dependences_for_loop returns false.
2763 * tree-parloops.c (loop_parallel_p): Likewise.
2765 2012-01-25 Richard Guenther <rguenther@suse.de>
2767 * tree.h (get_pointer_alignment_1): Declare.
2768 * builtins.c (get_pointer_alignment_1): New function.
2769 (get_pointer_alignment): Use it.
2771 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2773 PR rtl-optimization/48308
2774 * combine.c (enum undo_kind): Add UNDO_LINKS.
2775 (struct undo): Add member l to other_contents and where.
2776 (do_SUBST_LINK): New.
2778 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2779 (undo_all): Handle UNDO_LINKS.
2781 2012-01-25 Richard Henderson <rth@redhat.com>
2783 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2786 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2788 * optabs.c (gen_atomic_test_and_set): Use each argument.
2790 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2792 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2793 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2794 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2795 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2796 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2797 TARGET_PAIRED_SINGLE_FLOAT.
2799 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2801 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2802 (in_struct, return_val): Remove MEM documentation.
2803 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2804 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2805 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2807 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2808 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2809 * expr.c (store_field): Likewise.
2810 * function.c (assign_stack_temp_for_type): Likewise.
2811 * ifcvt.c (noce_try_cmove_arith): Likewise.
2812 * reload1.c (reload): Likewise.
2813 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2814 (alpha_set_memflags): Likewise.
2815 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2817 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2819 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2821 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2822 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2823 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2825 * cselib.c (cselib_rtx_varies_p): Delete.
2826 (cselib_invalidate_mem): Update call to canon_true_dependence.
2827 * dse.c (record_store, check_mem_read_rtx): Likewise.
2828 (scan_reads_nospill): Likewise.
2829 * cse.c (check_dependence): Likewise.
2830 (cse_rtx_varies_p): Delete.
2831 * expr.c (safe_from_p): Update call to true_dependence.
2832 * ira.c (validate_equiv_mem_from_store): Likewise.
2833 (memref_referenced_p): Likewise.
2834 * postreload-gcse.c (find_mem_conflicts): Likewise.
2835 * sched-deps.c (sched_analyze_2): Likewise.
2836 * store-motion.c (load_kills_store): Likewise.
2837 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2838 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2839 (compute_transp): Update call to canon_true_dependence.
2841 2012-01-25 Richard Henderson <rth@redhat.com>
2843 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2844 (maybe_emit_atomic_test_and_set): New.
2845 (expand_sync_lock_test_and_set): Use it.
2846 (expand_atomic_test_and_set): Likewise.
2847 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2848 the implementation; clarify implementation defined details.
2849 * doc/md.texi (atomic_test_and_set): Document.
2851 2012-01-25 Richard Henderson <rth@redhat.com>
2853 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2855 2012-01-25 Richard Henderson <rth@redhat.com>
2858 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2859 to effect no-op split.
2861 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2864 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2865 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2866 (BT_FN_VOID_PTR_INT_SIZE): New.
2867 (BT_FN_UINT_UINT_VAR): Remove.
2868 (BT_FN_UINT32_UINT32_VAR): New.
2869 (BT_FN_DOUBLE_VPTR): Remove.
2870 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2872 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2873 (_ITM_changeTransactionMode): Same.
2874 (_ITM_memmoveRtWt): Change return type to void.
2875 (_ITM_memcpyRtWt): Same.
2876 (_ITM_memsetW): Same.
2877 (_ITM_RaRD): Change types to double.
2882 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2884 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2885 Patrick Marlier <patrick.marlier@gmail.com>
2887 * trans-mem.c (requires_barrier): Do not instrument thread local
2888 variables and emit save/restore for them.
2890 2012-01-24 Jason Merrill <jason@redhat.com>
2893 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2894 output static aliases.
2896 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2899 * common.opt (-pie, -shared, pie, shared): Change from Common to
2901 * gcc.c (display_help): Display help for -pie and -shared.
2903 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2906 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2907 Remove note on size/offset limitation.
2908 (AVR Variable Attributes): Add example how to read data located
2909 with progmem. Refer to named address spaces.
2910 * doc/invoke.texi (AVR Options): Fix typo.
2912 2012-01-24 Richard Guenther <rguenther@suse.de>
2914 Forward-port to trunk
2915 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2918 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2919 op0 isn't sufficiently aligned and there is movmisalignM
2920 insn for mode, use it to load op0 into a temporary register.
2922 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2925 * target.def (const_not_ok_for_debug_p): New hook.
2926 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2928 * doc/tm.texi: Regenerated.
2929 * dwarf2out.c (const_ok_for_output_1): If
2930 targetm.const_not_ok_for_debug_p returns true, fail.
2931 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2933 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2935 2012-01-23 Kai Tietz <ktietz@redhat.com>
2938 * config/i386/predicates.md (symbolic_operand): Allow
2939 UNSPEC_PCREL as PIC expression for lea.
2940 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2941 * config/i386/i386.c (ix86_delegitimize_address): Handle
2942 UNSPEC_PCREL for none-MEM, too.
2944 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2946 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2947 (ipa_tm_create_version_alias): Same.
2949 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2952 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2953 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2955 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2956 Patrick Marlier <patrick.marlier@gmail.com>
2957 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2960 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2961 simple_object_start_read.
2963 2012-01-23 Richard Guenther <rguenther@suse.de>
2966 PR tree-optimization/51895
2967 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2968 parameter decomposition into BLKmode components.
2970 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2972 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2973 fake variables for restrict-qualified pointers whose pointed-to type
2974 contains a placeholder.
2976 2012-01-23 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/51949
2979 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2981 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2983 PR rtl-optimization/51933
2984 * ree.c (transform_ifelse): Return true right away if dstreg is
2985 already wider or equal to cand->mode.
2986 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2987 (make_defs_and_copies_lists): Remove defs_list and copies_list
2988 arguments, add state argument, just truncate state->work_list
2989 instead of always allocating and freeing the vector. Assert that
2990 get_defs succeeds instead of returning 2. Changed return type to bool.
2991 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2992 have ext_src_mode, see if it has been modified already with the
2993 right kind of extension and has been extended before from the
2994 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2995 just return true. Remember the original mode in state->modified array.
2996 (combine_reaching_defs): Add state argument. Don't allocate and
2997 free here def_list, copied_list and vec vectors, instead just
2998 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2999 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3000 Add state variable, clear vectors in it, initialize state.modified
3001 if needed. Free all the vectors at the end and state.modified too.
3002 Don't skip a candidate if the extension expression has been modified.
3004 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3007 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3008 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3009 (extra_options) interix.opt -> i386/interix.opt"
3010 (extra_objs):Add winnt-stubs.o
3011 * configure.ac: Add interix to target_os .comm on PE check.
3012 * configure: Regenerate.
3013 * config/interix3.h: Delete and move bits to..
3014 * config/interix.h: Delete and move bits to..
3015 * config/i386/i386-interix3.h: Delete and move bits to..
3016 * config/i386/i386-interix.h: ..here.
3017 (TARGET_CPU_DEFAULT): Remove redefinition.
3018 (TARGET_ASM_CONSTRUCTOR): Undefine.
3019 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3020 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3021 (PTRDIFF_TYPE): Define.
3022 (LONG_DOUBLE_TYPE_SIZE): Define.
3023 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3024 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3025 (TARGET_SECTION_TYPE_FLAGS): Define.
3026 (ASM_DECLARE_FUNCTION_NAME): Define.
3027 (ASM_OUTPUT_EXTERNAL): Define.
3028 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3029 (ASM_OUTPUT_ALIGNED_BSS): Define.
3030 (PCC_BITFIELD_TYPE_MATTERS): Define.
3031 (USE_CONST_SECTION): Define.
3032 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3033 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3034 (SUPPORTS_ONE_ONLY): Remove.
3035 (I386_PE_STRIP_ENCODING): Define.
3036 * config/interix.opt: Delete and move bits to..
3037 * config/i386/interix.opt: ..here. New.
3038 (mpe-aligned-commons): Add.
3039 * config/i386/t-interix: Add copyright header.
3040 (winnt-stubs.o): Add rule.
3042 2012-01-22 Jason Merrill <jason@redhat.com>
3045 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3046 for extra name aliases.
3048 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3050 PR rtl-optimization/51924
3051 * ree.c (combine_set_extension): Improve debugging message.
3052 (combine_reaching_defs): Likewise.
3053 (get_defs): Rename confusingly named variable.
3054 (find_and_remove_re): Skip a candidate if the extension expression has
3057 2012-01-21 Robert Millan <rmh@gnu.org>
3058 Gerald Pfeifer <gerald@pfeifer.com>
3060 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3061 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3063 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3065 PR tree-optimization/51914
3066 * tree-vect-stmts.c (vectorizable_conversion): For
3067 cvt_type && modifier == WIDEN, put temporary with cvt_type
3068 at the beginning of vec_dsts and set vec_dest to temporary
3071 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3073 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3075 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3077 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3078 * config/rs6000/rs6000.c: Likewise.
3080 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3083 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3084 output_move_double on a copy of operands array.
3086 2012-01-20 Cary Coutant <ccoutant@google.com>
3087 Dodji Seketeli <dodji@redhat.com>
3090 * dwarf2out.c (copy_declaration_context): Return ref to parent
3091 of declaration DIE, if necessary.
3092 (remove_child_or_replace_with_skeleton): Add new parameter; update
3093 caller. Place skeleton DIE under parent DIE of original declaration.
3094 Move call to copy_declaration_context to here ...
3095 (break_out_comdat_types): ... from here.
3097 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3099 PR rtl-optimization/51856
3100 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3103 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3106 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3107 hints for neon loads and stores.
3109 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3113 * doc/extend.texi (Named Address Spaces): Split into subsections.
3114 (AVR Named Address Spaces): New subsection.
3115 (M32C Named Address Spaces): New subsection.
3116 (RL78 Named Address Spaces): New subsection.
3117 (SPU Named Address Spaces): New subsection.
3118 (Variable Attributes): New anchor "AVR Variable Attributes".
3119 (AVR Variable Attributes): Rewrite and avoid wording
3120 "address space" in this context.
3121 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3122 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3123 (AVR Built-in Macros): New subsubsection therein.
3124 * doc/md.texi (AVR constraints): Remove "C04", "R".
3126 2012-01-20 Richard Guenther <rguenther@suse.de>
3128 PR tree-optimization/51903
3129 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3130 when removing stmts.
3132 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3135 * config/arm/arm.c (arm_load_pic_register): Use
3136 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3137 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3138 (arm_pic_static_addr): Likewise.
3139 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3140 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3141 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3142 (pic_load_addr_unified): New.
3144 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3147 * function.c (instantiate_virtual_regs_in_insn): Use
3148 delete_insn_and_edges when removing a wrong asm insn.
3150 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3152 PR rtl-optimization/40761
3153 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3154 Add new member loop_num.
3155 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3156 (ira_build): Remove the parameter.
3158 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3159 (ira.c): Do not build CFG loops for one region allocation. Remove
3160 argument from ira_build call.
3162 * ira-build.c (init_loop_tree_node): New function.
3163 (create_loop_tree_nodes): Use it. Separate the case when CFG
3164 loops are not built.
3165 (more_one_region_p): Check current_loops.
3166 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3168 (add_loop_to_tree): Process loop equal to NULL too.
3169 (form_loop_tree): Separate the case when CFG loops are not built.
3170 Use explicitly number for the root.
3171 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3173 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3174 instead of loop->num.
3175 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3176 (mark_all_loops_for_removal): Ditto.
3177 (remove_unnecessary_regions): Separate the case when CFG loops
3179 (ira_build): Remove the parameter. Use explicit number of regions
3180 when CFG loops are not built.
3182 * ira-color.c (print_loop_title): Separate the case for the root node.
3183 Use loop_num instead of loop->num.
3184 (move_spill_restore): Use loop_num instead of loop->num.
3186 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3187 (change_loop): Ditto.
3188 (change_loop): Use loop_num instead of loop->num.
3190 * ira-lives.c (process_bb_node_lives): Ditto.
3192 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3194 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3196 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3199 * tree-mudflap.c (mf_artificial): New function.
3200 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3201 mx_register_decls, mudflap_enqueue_decl): Use it.
3204 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3205 numbers in the insn pattern.
3207 2012-01-19 Michael Matz <matz@suse.de>
3209 PR tree-optimization/46590
3210 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3211 use it in remembering which conflicts we already created.
3212 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3215 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3218 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3219 (merge_and_complain): Same.
3221 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3224 * config/initfini-array.h: Guard content of the header
3225 with #ifdef HAVE_INITFINI_ARRAY.
3226 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3227 Add initfini-array.h to tm_file here.
3228 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3229 * config.gcc: Don't add initfini-array.h to tm_file here.
3230 * configure: Regenerated.
3232 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3234 PR rtl-optimization/51505
3235 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3236 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3237 (df_note_bb_compute): Update the call to df_kill_notes.
3239 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3241 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3243 2012-01-18 Richard Guenther <rguenther@suse.de>
3245 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3246 of conversions to void *.
3248 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3249 Richard Sandiford <rdsandiford@googlemail.com>
3253 * optabs.h (simplify_expand_binop): Declare.
3254 * optabs.c (simplify_expand_binop): Make global.
3255 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3256 endian targets if the source cannot be exactly covered by word
3259 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3262 * hard-reg-set.h (struct hard_reg_set_container): New type.
3263 * target.h (struct hard_reg_set_container): Forward declare.
3264 * target.def (set_up_by_prologue): New target hook.
3265 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3266 * doc/tm.texi: Regenerated.
3267 * function.c (thread_prologue_and_epilogue_insns): Change
3268 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3269 Call targetm.set_up_by_prologue on it.
3270 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3271 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3273 2012-01-17 Nick Clifton <nickc@redhat.com>
3275 * config/rx/rx.c (rx_can_use_simple_return): New function.
3276 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3277 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3279 2012-01-17 Richard Guenther <rguenther@suse.de>
3282 * expr.c (expand_assignment): Take address-space information
3283 from the address operand of MEM_REF and TARGET_MEM_REF.
3284 (expand_expr_real_1): Likewise.
3286 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3288 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3289 reload dump is requested.
3291 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3294 * trans-mem.c (requires_barrier): Call may_be_aliased.
3296 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3298 PR tree-optimization/51877
3299 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3300 call arguments and fndecls compare equal, instead return false if they
3301 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3302 both SSA_NAMEs that are valueized the same, or they satisfy
3305 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3307 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3309 * configure: Regenerate.
3311 2012-01-16 Jan Hubicka <jh@suse.cz>
3315 * convert.c (convert_to_integer): Use fold_convert for
3316 converting an INTEGER_CST to integer type.
3318 2012-01-16 Jason Merrill <jason@redhat.com>
3321 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3323 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3326 * config/s390/s390.c (s390_chunkify_start): Don't skip
3327 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3328 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3329 If insn is followed by NOTE_INSN_VAR_LOCATION or
3330 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3331 Don't use location of note insns.
3333 PR tree-optimization/51865
3334 * tree-inline.c (tree_function_versioning): Call remap_decl
3335 on DECL_RESULT whenever it has VOID_TYPE_P type.
3337 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3339 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3340 for calls to locally-binding MIPS16 functions if only the return
3341 type uses float regs.
3343 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3344 Richard Sandiford <rdsandiford@googlemail.com>
3346 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3347 (SYMBOL_32_HIGH): Likewise.
3348 (mips_output_tls_reloc_directive): Declare.
3349 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3350 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3351 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3352 (mips_lo_relocs, mips_hi_relocs): Make extern.
3353 (mips16_stub_function): Move up file.
3354 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3355 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3356 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3357 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3358 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3359 (mips_get_tp): Add MIPS16 support.
3360 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3361 Generalize DTPREL and TPREL handling.
3362 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3363 Add MIPS16 TLS support.
3364 (mips_output_tls_reloc_directive): New function.
3365 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3366 * config/mips/predicates.md (symbolic_operand_with_high)
3367 (tls_reloc_operand): New predicates.
3368 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3369 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3370 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3371 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3372 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3373 (*tls_get_tp_mips16_call_<mode>): Likewise.
3375 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3377 PR rtl-optimization/51821
3378 * recog.c (peep2_find_free_register): Determine clobbered registers
3381 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3384 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3385 * config/avr/avr.c: Likewise.
3386 * config/avr/avr.h: Likewise.
3388 2012-01-13 Ian Lance Taylor <iant@google.com>
3391 * tree.h (TYPE_QUALS): Add cast to int.
3392 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3394 2012-01-13 Ian Lance Taylor <iant@google.com>
3396 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3397 comparing param_index to VEC_length result.
3399 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3401 * c-decl.c: Do not include tree-mudflap.h
3402 * tree-optimize.c: Likewise.
3403 * Makefile.in: Update dependencies.
3405 2012-01-13 Richard Guenther <rguenther@suse.de>
3408 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3409 variable-sized result always use RSO.
3411 2012-01-12 DJ Delorie <dj@redhat.com>
3413 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3414 pointer type, not just the default pointer type.
3416 2012-01-09 Richard Henderson <rth@redhat.com>
3417 Denis Chertykov <chertykov@gmail.com>
3420 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3421 * config/avr/avr.c (avr_can_eliminate): Simplify.
3422 (avr_initial_elimination_offset): Likewise.
3423 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3424 (expand_epilogue): Likewise.
3425 (avr_legitimize_address): Gut.
3426 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3427 (avr_hard_regno_nregs): New.
3428 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3429 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3430 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3431 add soft frame pointer.
3432 (CALL_USED_REGISTERS): Likewise.
3433 (REG_CLASS_CONTENTS): Likewise.
3434 (REGISTER_NAMES): Likewise.
3435 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3436 (HARD_FRAME_POINTER_REGNUM): New.
3437 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3438 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3439 remove the HARD_FRAME_POINTER self-elimination.
3441 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3444 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3445 DECL_EXTERNAL when checking for initializers of progmem variables.
3447 2012-01-12 Ira Rosen <irar@il.ibm.com>
3449 PR tree-optimization/51799
3450 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3451 that the last operation is a type demotion.
3453 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3455 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3456 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3458 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3461 * combine.c (distribute_notes): If i3 is a noreturn call,
3462 allow old_size to be equal to args_size and make sure the
3463 noreturn call gets REG_ARGS_SIZE note.
3464 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3465 on noreturn calls even when the delta is 0.
3467 2012-01-11 Nathan Sidwell <nathan@acm.org>
3469 * gcov.c (STRING_SIZE): Remove.
3470 (generate_results): Erase annotations for source files with no
3471 coverage information.
3473 (output_lines): Use it.
3475 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3477 * gimple.h (gimplify_body): Remove first argument.
3478 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3479 pointer set here, instead just pass DATA to walk_tree.
3480 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3481 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3482 (unvisit_body): Likewise, but with unmark_visited.
3483 (gimplify_body): Remove BODY_P argument and adjust.
3484 (gimplify_function_tree): Adjust call to gimplify_body.
3485 * omp-low.c (finalize_task_copyfn): Likewise.
3487 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3489 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3490 (build_function_type_skip_args): Delete.
3491 * tree.c (build_function_type_skip_args): Make static and add
3492 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3493 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3494 pass it to build_function_type_skip_args.
3495 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3496 (tree_function_versioning): Likewise.
3497 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3498 build_function_decl_skip_args.
3499 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3500 and pass it to build_function_decl_skip_args/tree_function_versioning.
3501 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3502 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3503 * trans-mem.c (ipa_tm_create_version): Likewise.
3504 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3505 * tree-inline.c (declare_return_variable): Remove always-true test.
3506 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3507 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3508 * ipa-split.c (split_function): Skip the return value for the split
3509 part if it doesn't return.
3511 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3513 PR tree-optimization/49642
3514 * ipa-split.c (forbidden_dominators): New variable.
3515 (check_forbidden_calls): New function.
3516 (dominated_by_forbidden): Likewise.
3517 (consider_split): Check for forbidden dominators.
3518 (execute_split_functions): Initialize and free forbidden
3519 dominators info; call check_forbidden_calls.
3521 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3523 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3525 2012-01-11 Nick Clifton <nickc@redhat.com>
3527 * config/rx/rx.md (return): Define pattern.
3529 2012-01-11 Richard Guenther <rguenther@suse.de>
3531 * doc/extend.texi (malloc attribute): Adjust according to
3534 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3535 Patrick Marlier <patrick.marlier@gmail.com>
3538 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3539 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3540 (ipa_tm_note_irrevocable): Same.
3541 (ipa_tm_scan_irr_block): Same.
3542 (ipa_tm_decrement_clone_counts): Same.
3543 (ipa_tm_scan_irr_function): Same.
3544 (ipa_tm_create_version_alias): Same.
3545 (ipa_tm_create_version): Same.
3546 (ipa_tm_transform_calls_redirect): Same.
3547 (ipa_tm_transform_calls): Same.
3548 (ipa_tm_transform_transaction): Same.
3549 (ipa_tm_execute): Same.
3551 2012-01-10 Richard Guenther <rguenther@suse.de>
3554 * opts.c (common_handle_option): Handle -Werror.
3556 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3558 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3561 2012-01-10 Jason Merrill <jason@redhat.com>
3563 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3566 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3568 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3569 supports R_386_TLS_GD_PLT reloc.
3570 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3571 supports R_386_TLS_LDM_PLT reloc.
3572 * configure: Regenerate.
3573 * config.in: Regenerate.
3575 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3578 Extend __pgmx semantics to linearize memory.
3579 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3580 determine if code comes inline or from libgcc.
3581 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3582 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3583 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3584 (movmemx_qi, movmemx_hi): New insns.
3585 (xload_<mode>_libgcc): Rewrite to new insn condition.
3586 (xload_<mode>): Remove insns.
3587 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3588 cases that don't satisfy avr_xload_libgcc_p().
3589 (avr_addr_space_convert): Allow converting in any direction.
3590 (avr_addr_space_subset_p): Return always true.
3591 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3592 (avr_emit_movmemhi): Ditto.
3593 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3594 (avr_out_movmem): Ditto.
3595 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3596 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3597 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3598 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3599 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3601 2012-01-10 Richard Guenther <rguenther@suse.de>
3603 PR tree-optimization/50913
3604 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3605 Require data-refs to be representable by Graphite with respect
3608 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3610 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3611 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3613 2012-01-10 Tom de Vries <tom@codesourcery.com>
3615 PR rtl-optimization/51271
3616 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3617 handling annulled branch.
3619 2012-01-10 Richard Henderson <rth@redhat.com>
3621 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3622 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3623 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3624 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3625 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3626 arm_expand_vec_perm_const): New.
3627 * config/arm/arm-protos.h: Update.
3628 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3629 (*neon_vswp<VDQX>): New.
3630 (neon_vcombine<VDX>): Use neon_split_vcombine.
3631 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3632 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3633 (vec_perm<VE>): New.
3635 2012-01-10 Richard Henderson <rth@redhat.com>
3637 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3638 use it if reload_completed.
3639 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3640 arm_output_asm_insn, arm_process_output_memory_barrier,
3641 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3642 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3643 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3644 arm_process_output_sync_insn, arm_output_sync_insn,
3645 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3646 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3647 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3648 (emit_unlikely_jump): New.
3649 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3650 (arm_split_atomic_op): New.
3651 * config/arm/arm-protos.h: Update.
3652 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3653 (struct arm_sync_generator): Remove.
3654 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3655 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3656 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3657 (VUNSPEC_LL, VUNSPEC_SC): New.
3658 (sync_result, sync_memory, sync_required_value, sync_new_value,
3659 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3660 (attr length): Don't use arm_sync_loop_insns.
3661 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3662 (movsfcc, movdfcc): Likewise.
3663 * config/arm/constraints.md (Ua): New.
3664 * config/arm/prediates.md (mem_noofs_operand): New.
3665 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3666 (sync_clobber, sync_t2_reqd): Remove.
3667 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3668 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3669 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3670 (arm_sync_compare_and_swap<SIDI>): Remove.
3671 (arm_sync_compare_and_swap<NARROW>): Remove.
3672 (arm_sync_lock_test_and_set<SIDI>): Remove.
3673 (arm_sync_lock_test_and_set<NARROW>): Remove.
3674 (arm_sync_new_<syncop><SIDI>): Remove.
3675 (arm_sync_new_<syncop><NARROW>): Remove.
3676 (arm_sync_new_nand<SIDI>): Remove.
3677 (arm_sync_new_nand<NARROW>): Remove.
3678 (arm_sync_old_<syncop><SIDI>): Remove.
3679 (arm_sync_old_<syncop><NARROW>): Remove.
3680 (arm_sync_old_nand<SIDI>): Remove.
3681 (arm_sync_old_nand<NARROW>): Remove.
3682 (*memory_barrier): Merge arm_output_memory_barrier.
3683 (atomic_compare_and_swap<QHSD>): New.
3684 (atomic_compare_and_swap<NARROW>_1): New.
3685 (atomic_compare_and_swap<SIDI>_1): New.
3686 (atomic_exchange<QHSD>): New.
3687 (cas_cmp_operand, cas_cmp_str): New.
3688 (atomic_op_operand, atomic_op_str): New.
3689 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3690 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3691 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3692 (arm_load_exclusive<NARROW>): New.
3693 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3694 (arm_store_exclusive<QHSD>): New.
3696 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3698 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3699 reload patterns if -mvsx-scalar-memory.
3701 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3702 generated, even -mno-vsx-scalar-double was used.
3703 (vsx_xscvdpsp_scalar): Likewise.
3704 (vsx_xscvspdp_scalar2): Likewise.
3706 2012-01-09 Tom de Vries <tom@codesourcery.com>
3707 Andrew Pinski <apinski@cavium.com>
3710 * reorg.c (fill_slots_from_thread): Don't speculate
3711 frame-related insns.
3713 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3715 * sched-int.h (bb_note): Move to...
3716 * basic-block.h: ...here.
3717 * haifa-sched.c (bb_note): Move to...
3718 * cfgrtl.c: ...here.
3719 * function.c (next_block_for_reg): New function.
3720 (move_insn_for_shrink_wrap): Likewise.
3721 (prepare_shrink_wrap): Rewrite to use the above.
3723 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3725 * gimple.c (is_gimple_non_addressable): Remove.
3726 * gimple.h: Remove is_gimple_non_addressable.
3727 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3728 is_gimple_non_addressable.
3729 * trans-mem.c (expand_assign_tm): Same.
3731 2012-01-09 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/51775
3734 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3735 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3737 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3739 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3741 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3743 2012-01-09 Richard Guenther <rguenther@suse.de>
3745 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3747 2012-01-08 Jan Hubicka <jh@suse.cz>
3749 PR tree-optimize/51680
3750 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3751 on when known_vals needs to be computed; cleanup.
3753 2012-01-08 Jan Hubicka <jh@suse.cz>
3755 PR tree-optimize/51694
3756 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3758 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3760 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3761 for -std=c++98 and -std=c++11 too.
3763 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3765 * cfgloop.c (cancel_loop): Add free() of bbs array.
3767 2012-01-07 Jan Hubicka <jh@suse.cz>
3769 PR tree-optimization/51600
3770 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3771 that benefits small functions.
3773 2012-01-07 Jan Hubicka <jh@suse.cz>
3775 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3777 2012-01-07 Jan Hubicka <jh@suse.cz>
3779 PR tree-optimization/51680
3780 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3781 whose inlining reduce unit size.
3783 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3786 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3787 Add canonical node to containing_mem chain after the non-canonical
3788 one, even if there weren't any locs to propagate.
3789 (remove_useless_values): Keep only canonical values.
3790 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3791 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3792 canonicalize mem_chain elements that are not discarded.
3794 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3797 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3798 before emitting functions.
3800 PR gcov-profile/50127
3801 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3802 clear_aux_for_blocks.
3804 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3807 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3809 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3811 * c-decl.c (ext_block): Moved up.
3812 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3814 2012-01-06 Han Shen <shenhan@google.com>
3816 Translate built-in include paths for sysroot.
3817 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3818 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3820 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3821 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3823 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3824 control whether sysroot should be prepended to gxx include dir.
3826 * configure: Regenerate.
3828 2012-01-06 Torvald Riegel <triegel@redhat.com>
3830 PR rtl-optimization/51771
3831 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3832 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3834 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3836 PR tree-optimization/51315
3837 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3838 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3840 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3843 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3844 for shrp pattern. Correctly handle and fixup shift variable.
3845 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3847 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3850 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3851 note when !ACCUMULATE_OUTGOING_ARGS.
3853 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3855 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3857 (extract_range_from_unary_expr_1): Avoid useless computations.
3859 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3861 PR rtl-optimization/51767
3862 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3863 of jump_block and add an extra edge for degenerated asm gotos.
3866 * stmt.c (check_unique_operand_names): Don't ICE during error
3867 reporting if i is from labels chain.
3870 * profile.c (branch_prob): Split bbs that have exit edge
3871 and need a fake entry edge too.
3873 2012-01-05 Jan Hubicka <jh@suse.cz>
3876 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3879 2012-01-05 Richard Guenther <rguenther@suse.de>
3882 * tree-streamer-out.c (write_ts_optimization): New function.
3883 (streamer_write_tree_body): Call it.
3884 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3885 (streamer_read_tree_body): Call it.
3886 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3888 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3891 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3892 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3893 in_cleanup_point_expr before gimplify_stmt call and restore it
3895 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3896 in_cleanup_point_expr is false.
3898 2012-01-05 Richard Guenther <rguenther@suse.de>
3901 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3903 * toplev.c (process_options): Reject combining mudflap and LTO.
3904 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3906 2012-01-05 Richard Guenther <rguenther@suse.de>
3908 PR tree-optimization/51760
3909 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3911 (bit_value_unop): Handle UNDEFINED operands.
3912 (bit_value_binop): Likewise.
3914 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3916 * config/avr/avr.c (avr_replace_prefix): Remove.
3917 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3918 (avr_asm_function_rodata_section): Ditto.
3919 (avr_asm_select_section): Ditto.
3921 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3923 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3926 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3929 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3930 calls that have any non-fake successor edges.
3933 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3935 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3937 PR tree-optimization/51624
3938 * tree-sra.c (build_ref_for_model): When replicating a chain of
3939 COMPONENT_REFs, stop as soon as the offset would become negative.
3941 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3944 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3945 in .debug_loc on the floor.
3947 2012-01-04 Andrew Pinski <apinski@cavium.com>
3949 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3951 2012-01-04 Andrew Pinski <apinski@cavium.com>
3952 Adam Nemet <anemet@caviumnetworks.com>
3954 * config/mips/mips.md (size): Add SI and DI.
3955 (SIZE): New mode attribute.
3956 (U): New code attribute.
3957 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3958 (mips_lbux_<mode>): Delete.
3959 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3960 (mips_lhx): Use gen_mips_lhx_extsi.
3961 (mips_lhx_<mode>): Delete.
3963 (mips_l<size>x): New expand.
3964 (mips_lwx_<mode>): Delete.
3965 (mips_l<GPR:size>x_<P:mode>): New pattern.
3966 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3967 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3968 * config/mips/mips.c (mips_lx_address_p): New function.
3969 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3970 (dsp64): New availability predicate.
3971 (mips_builtins): Add an entry for __builtin_mips_ldx.
3972 * config/mips/mips.h (ISA_HAS_LBX): New define.
3973 (ISA_HAS_LBUX): Likewise.
3974 (ISA_HAS_LHX): Likewise.
3975 (ISA_HAS_LHUX): Likewise.
3976 (ISA_HAS_LWX): Likewise.
3977 (ISA_HAS_LWUX): Likewise.
3978 (ISA_HAS_LDX): Likewise.
3979 * doc/extend.texi (__builtin_mips_ldx): Document.
3981 2012-01-04 Tristan Gingold <gingold@adacore.com>
3983 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3984 when long pointers are used.
3985 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3986 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3987 (ia64-hp-*vms*): Remove.
3988 * config/vms/xm-vms64.h: Delete.
3990 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3993 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3995 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3997 * opts.c (finish_options): Remove duplicate sorry.
3999 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4002 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4005 2012-01-04 Richard Guenther <rguenther@suse.de>
4008 * tree.c (size_low_cst): New function.
4009 * tree.h (size_low_cst): Declare.
4010 * fold-const.c (fold_comparison): Use it to extract the low
4011 part of the POINTER_PLUS_EXPR offset.
4013 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4015 Fix clearing ZERO_REG
4016 * config/avr/avr.md (cc): Add alternative "ldi".
4017 (movqi_insn): Use it in cc attribute.
4018 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4019 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4020 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4022 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4024 * configure: Regenerate.
4026 2012-01-04 Richard Guenther <rguenther@suse.de>
4028 PR tree-optimization/49651
4029 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4030 (var_can_have_subvars): Use it.
4031 (get_constraint_for_1): Only consider subfields if there can be any.
4033 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4036 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4037 to its new canonical_cselib_val and the cselib_val was in
4038 first_containing_mem chain, but the canonical_cselib_val was not,
4039 add the latter into the chain.
4040 (cselib_invalidate_mem): Compare canonical_cselib_val of
4041 addr_list chain elt with v.
4044 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4045 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4047 (output_macinfo_op): Don't ggc_strdup fd->filename.
4048 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4049 then ggc_strdup it. Don't free inc->info or cur->info.
4050 (output_macinfo): Don't free ref->info or file->info.
4052 2012-01-03 Ira Rosen <irar@il.ibm.com>
4054 PR tree-optimization/51269
4055 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4056 first_niters a pointer.
4057 (slpeel_tree_peel_loop_to_edge): Likewise.
4058 (vect_do_peeling_for_loop_bound): Update call to
4059 slpeel_tree_peel_loop_to_edge.
4060 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4061 here. Remove it from the parameters list.
4062 (vect_do_peeling_for_alignment): Update calls and compute
4065 2012-01-03 Richard Guenther <rguenther@suse.de>
4067 PR tree-optimization/51070
4068 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4069 Properly handle calls.
4071 2012-01-03 Richard Guenther <rguenther@suse.de>
4073 PR tree-optimization/51692
4074 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4075 the LHS of allocation stmts.
4077 2012-01-03 Olivier Hainque <hainque@adacore.com>
4079 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4081 2012-01-03 Olivier Hainque <hainque@adacore.com>
4083 * collect2.c (main): In AIX specific computations for vector
4084 insertions, use CONST_CAST2 to cast from char ** to const char **.
4086 2012-01-03 Richard Guenther <rguenther@suse.de>
4089 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4090 the context of a limbo DIE when it does not already exist.
4092 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4094 PR tree-optimization/51719
4095 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4096 but direct call is, clear direct call's lhs and don't add fallthrough
4097 edge from dcall_bb to join_bb and PHIs.
4099 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4101 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4102 the instructions emitted by the pattern.
4103 ("*TDC_insn_<mode>"): Add comment.
4105 2012-01-03 Richard Guenther <rguenther@suse.de>
4108 * fold-const.c (fold_comparison): Properly canonicalize
4109 tree offset and HOST_WIDE_INT bit position.
4111 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4113 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4114 operands for extzv pattern.
4116 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4119 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4122 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4124 * doc/invoke.texi (-flto and related options): Copy-edit.
4126 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4128 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4130 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4132 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4135 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4137 * expr.h (move_by_pieces_ninsns): Declare.
4138 * expr.c (move_by_pieces_ninsns): Make external.
4139 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4140 (mips_store_by_pieces_p): Likewise.
4141 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4142 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4143 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4144 (mips_store_by_pieces_p): Likewise.
4146 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4148 * passes.c (register_one_dump_file): Free full_name.
4150 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4151 (calculate_elim_costs_all_insns): Free offsets_at and
4152 offsets_known_at at the end and clear the pointers.
4154 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4156 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4157 this option introduced in r180739.
4159 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4162 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4163 (tmake_file target=avr): Add avr/t-multilib.
4165 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4166 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4167 * config/avr/genmultilib.awk: New file.
4168 * config/avr/t-multilib: New auto-generated file.
4169 * config/avr/multilib.h: New auto-generated file.
4170 * config/avr/t-avr (AVR_MCUS): New variable.
4171 (genopt.sh): Use it.
4172 (s-mlib): Depend on t-multilib.
4173 (t-multilib, multilib.h): New dependencies.
4174 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4175 (MULTILIB_OPTIONS): Remove.
4176 (MULTILIB_MATCHES): Remove.
4177 (MULTILIB_DIRNAMES): Remove.
4178 (MULTILIB_EXCEPTIONS): Remove:
4179 * config/avr/genopt.sh: Don't use hard coded file name;
4180 pass AVR_MCUS from t-avr instead.
4182 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4184 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4186 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4188 Implement light-weight DImode support.
4189 * config/avr/avr-dimode.md: New file.
4190 * config/avr/avr.md: Include it.
4191 (adjust_len): Add plus64, compare64.
4192 (HIDI): Remove code iterator.
4193 (code_stdname): New code attribute.
4194 (rotx, rotsmode): Remove DI.
4195 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4197 * config/avr/avr-protos.h (avr_have_dimode): New.
4198 (avr_out_plus64, avr_out_compare64): New.
4199 * config/avr/avr.c (avr_out_compare): Handle DImode.
4200 (avr_have_dimode): New variable definition and initialization.
4201 (avr_out_compare64, avr_out_plus64): New functions.
4202 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4203 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4204 (avr_compare_pattern): Skip DImode comparisons.
4206 2012-01-02 Revital Eres <revital.eres@linaro.org>
4208 * ddg.c (def_has_ccmode_p): New function.
4209 (add_cross_iteration_register_deps,
4210 create_ddg_dep_from_intra_loop_link): Call it.
4212 2012-01-02 Richard Guenther <rguenther@suse.de>
4215 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4217 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4219 * gcc.c (process_command): Update copyright notice dates.
4220 * gcov.c (print_version): Likewise.
4221 * gcov-dump.c (print_version): Likewise.
4222 * mips-tfile.c (main): Likewise.
4223 * mips-tdump.c (main): Likewise.
4225 2012-01-01 Ira Rosen <irar@il.ibm.com>
4227 PR tree-optimization/51704
4228 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4229 a use is inside the basic block or loop before accessing its vect info.
4231 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4233 PR rtl-optimization/51069
4234 * cfgloopmanip.c (remove_path): Removing path making irreducible
4235 region unconditional makes BB part of the region.
4237 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4239 PR tree-optimization/51683
4240 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4241 calls with side-effects.
4242 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4244 Copyright (C) 2012 Free Software Foundation, Inc.
4246 Copying and distribution of this file, with or without modification,
4247 are permitted in any medium without royalty provided the copyright
4248 notice and this notice are preserved.