aarch64.c (aarch64_force_temporary): Add an extra parameter 'mode' of type 'enum...

[thirdparty/gcc.git] / gcc / ChangeLog

2013-06-27  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_force_temporary): Add an extra
	parameter 'mode' of type 'enum machine_mode mode'; change to pass
	'mode' to force_reg.
	(aarch64_add_offset): Update calls to aarch64_force_temporary.
	(aarch64_expand_mov_immediate): Likewise.

2013-06-27  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_add_offset): Change to pass
	'mode' to aarch64_plus_immediate and gen_rtx_PLUS.

2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(struct machine_function): Add tbegin_p.
	(s390_canonicalize_comparison): Fold CC mode compares to
	conditional jump if possible.
	(s390_emit_jump): Return the emitted jump.
	(s390_branch_condition_mask, s390_branch_condition_mnemonic):
	Handle CCRAWmode compares.
	(s390_option_override): Default to -mhtm if available.
	(s390_reg_clobbered_rtx): Handle floating point regs as well.
	(s390_regs_ever_clobbered): Use s390_regs_ever_clobbered also for
	FPRs instead of df_regs_ever_live_p.
	(s390_optimize_nonescaping_tx): New function.
	(s390_init_frame_layout): Extend clobbered_regs array to cover
	FPRs as well.
	(s390_emit_prologue): Call s390_optimize_nonescaping_tx.
	(s390_expand_tbegin): New function.
	(enum s390_builtin): New enum definition.
	(code_for_builtin): New array definition.
	(s390_init_builtins): New function.
	(s390_expand_builtin): New function.
	(TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	* common/config/s390/s390-common.c (processor_flags_table): Add
	PF_TX.
	* config/s390/predicates.md (s390_comparison): Handle CCRAWmode.
	(s390_alc_comparison): Likewise.
	* config/s390/s390-modes.def: Add CCRAWmode.
	* config/s390/s390.h (processor_flags): Add PF_TX.
	(TARGET_CPU_HTM): Define macro.
	(TARGET_HTM): Define macro.
	(TARGET_CPU_CPP_BUILTINS): Define __HTM__ for htm.
	* config/s390/s390.md: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(UNSPECV_TBEGIN, UNSPECV_TBEGINC, UNSPECV_TEND, UNSPECV_TABORT)
	(UNSPECV_ETND, UNSPECV_NTSTG, UNSPECV_PPA): New unspecv enum
	values.
	(TBEGIN_MASK, TBEGINC_MASK): New constants.
	("*cc_to_int"): Move up.
	("*mov<mode>cc", "*cjump_64", "*cjump_31"): Accept integer
	constants other than 0.
	("*ccraw_to_int"): New insn and splitter definition.
	("tbegin", "tbegin_nofloat", "tbegin_retry")
	("tbegin_retry_nofloat", "tbeginc", "tend", "tabort")
	("tx_assist"): New expander.
	("tbegin_1", "tbegin_nofloat_1", "*tbeginc_1", "*tend_1")
	("*tabort_1", "etnd", "ntstg", "*ppa"): New insn definition.
	* config/s390/s390.opt: Add -mhtm option.
	* config/s390/s390-protos.h (s390_emit_jump): Add return type.
	* config/s390/htmxlintrin.h: New file.
	* config/s390/htmintrin.h: New file.
	* config/s390/s390intrin.h: New file.
	* doc/extend.texi: Document htm builtins.
	* config.gcc: Add the new header files to extra_headers.

2013-06-26  Thomas Schwinge  <thomas@codesourcery.com>

	* config/i386/gnu.h [TARGET_LIBC_PROVIDES_SSP]
	(TARGET_CAN_SPLIT_STACK, TARGET_THREAD_SPLIT_STACK_OFFSET):
	Undefine.

2013-06-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* config/rs6000/power8.md: New.
	* config/rs6000/rs6000-cpus.def (RS6000_CPU table): Adjust processor
	setting for power8 entry.
	* config/rs6000/t-rs6000 (MD_INCLUDES): Add power8.md.
	* config/rs6000/rs6000.c (is_microcoded_insn, is_cracked_insn): Adjust
	test for Power4/Power5 only.
	(insn_must_be_first_in_group, insn_must_be_last_in_group): Add Power8
	support.
	(force_new_group): Adjust comment.
	* config/rs6000/rs6000.md: Include power8.md.

2013-06-26  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.h (MAX_CONDITIONAL_EXECUTE): Define macro.
	* config/arm/arm-protos.h (arm_max_conditional_execute): New
	declaration.
	(tune_params): Update comment.
	* config/arm/arm.c (arm_cortex_a15_tune): Set max_cond_insns to 2.
	(arm_max_conditional_execute): New function.
	(thumb2_final_prescan_insn): Use max_insn_skipped and
	MAX_INSN_PER_IT_BLOCK to compute maximum instructions in a block.

2013-06-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57705
	* tree-vect-loop.c (vect_is_simple_iv_evolution): Allow
	SSA_NAME step, provided that it is not defined inside the loop.
	(vect_analyze_scalar_cycles_1): Disallow SSA_NAME step in nested
	loop.
	(get_initial_def_for_induction): Handle SSA_NAME IV step.

2013-06-25  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/57670
	* cgraph.h (cgraph_indirect_call_info): New flag member_ptr.
	* ipa-prop.c (ipa_print_node_jump_functions): Mark member pointer
	calls in the dump.
	(ipa_note_param_call): Initialize member_ptr flag.
	(ipa_analyze_indirect_call_uses): Set member_ptr flag.
	(ipa_make_edge_direct_to_target): Bail out if member_ptr is set.
	(ipa_write_indirect_edge_info): Stream member_ptr flag.
	(ipa_read_indirect_edge_info): Likewise.

2013-06-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/56977
	* passes.c (init_optimization_passes): Move pass_fold_builtins
	and pass_dce earlier with -Og.

2013-06-25  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (expand_expr_real_1) <ARRAY_REF>: Fix formatting glitches.
	<BIT_FIELD_REF>: Remove trailing TAB.
	* varasm.c (output_constructor_bitfield): Fix formatting glitch and
	remove blank line.

2013-06-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/57358
	* ipa-prop.c (ipa_func_spec_opts_forbid_analysis_p): New function.
	(ipa_compute_jump_functions_for_edge): Bail out if it returns true.
	(ipa_analyze_params_uses): Generate pessimistic info when true.

2013-06-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/57539
	* cgraphclones.c (cgraph_clone_node): Add parameter new_inlined_to, set
	global.inlined_to of the new node to it.  All callers changed.
	* ipa-inline-transform.c (clone_inlined_nodes): New variable
	inlining_into, pass it to cgraph_clone_node.
	* ipa-prop.c (ipa_propagate_indirect_call_infos): Do not call
	ipa_free_edge_args_substructures.
	(ipa_edge_duplication_hook): Only add edges from inlined nodes to
	rdesc linked list.  Do not assert rdesc edges have inlined caller.
	Assert we have found an rdesc in the rdesc list.

2013-06-24  Richard Biener  <rguenther@suse.de>

	* pointer-set.h (struct pointer_set_t): Move here from
	pointer-set.c.
	(pointer_set_lookup): Declare.
	(class pointer_map): New template class implementing a
	generic pointer to T map.
	(pointer_map<T>::pointer_map, pointer_map<T>::~pointer_map,
	pointer_map<T>::contains, pointer_map<T>::insert,
	pointer_map<T>::traverse): New functions.
	* pointer-set.c (struct pointer_set_t): Moved to pointer-set.h.
	(pointer_set_lookup): New function.
	(pointer_set_contains): Use pointer_set_lookup.
	(pointer_set_insert): Likewise.
	(insert_aux): Remove.
	(struct pointer_map_t): Embed a pointer_set_t.
	(pointer_map_create): Adjust.
	(pointer_map_destroy): Likewise.
	(pointer_map_contains): Likewise.
	(pointer_map_insert): Likewise.
	(pointer_map_traverse): Likewise.
	* tree-streamer.h (struct streamer_tree_cache_d): Use a
	pointer_map<unsigned> instead of a pointer_map_t.
	* tree-streamer.c (streamer_tree_cache_insert_1): Adjust.
	(streamer_tree_cache_lookup): Likewise.
	(streamer_tree_cache_create): Likewise.
	(streamer_tree_cache_delete): Likewise.
	* lto-streamer.h (struct lto_tree_ref_encoder): Use a
	pointer_map<unsigned> instead of a pointer_map_t.
	(lto_init_tree_ref_encoder): Adjust.
	(lto_destroy_tree_ref_encoder): Likewise.
	* lto-section-out.c (lto_output_decl_index): Likewise.
	(lto_record_function_out_decl_state): Likewise.
	* dominance.c (iterate_fix_dominators): Use pointer_map<int>.

2013-06-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57488
	* tree-ssa-pre.c (insert): Clear NEW sets before each iteration.

2013-06-24  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (vspltis_constant): Correct for little-endian.
	(gen_easy_altivec_constant): Likewise.
	* config/rs6000/predicates.md (easy_vector_constant_add_self,
	easy_vector_constant_msb): Likewise.

2013-06-23  Jakub Jelinek  <jakub@redhat.com>

	PR target/57688
	* common/config/i386/i386-common.c (ix86_handle_option): For OPT_mlzcnt
	add missing return true.

2013-06-23  Oleg Endo <olegendo@gcc.gnu.org>

	PR target/52483
	* config/sh/predicates.md (general_extend_operand): Invoke
	general_movsrc_operand for memory operands.
	(general_movsrc_operand): Allow reg+reg addressing, do not use
	general_operand for memory operands.

2013-06-23  Sriraman Tallam  <tmsriram@google.com>

	* config/i386/i386.c (ix86_pragma_target_parse):  Restore target
	when current target options does not apply.
	* config/i386/i386-protos.h (ix86_reset_previous_fndecl): New function.
	* config/i386/i386.c (ix86_reset_previous_fndecl): Ditto.
	* config/i386/bmiintrin.h: Pass appropriate target attributes to header.
	* config/i386/mmintrin.h: Ditto.
	* config/i386/nmmintrin.h: Ditto.
	* config/i386/avx2intrin.h: Ditto.
	* config/i386/fxsrintrin.h: Ditto.
	* config/i386/tbmintrin.h: Ditto.
	* config/i386/xsaveintrin.h: Ditto.
	* config/i386/f16cintrin.h: Ditto.
	* config/i386/xtestintrin.h: Ditto.
	* config/i386/xsaveoptintrin.h: Ditto.
	* config/i386/bmi2intrin.h: Ditto.
	* config/i386/lzcntintrin.h: Ditto.
	* config/i386/smmintrin.h: Ditto.
	* config/i386/wmmintrin.h: Ditto.
	* config/i386/x86intrin.h: Remove all header include guards.
	* config/i386/prfchwintrin.h: Ditto.
	* config/i386/pmmintrin.h: Ditto.
	* config/i386/tmmintrin.h: Ditto.
	* config/i386/xmmintrin.h: Ditto.
	* config/i386/popcntintrin.h: Ditto.
	* config/i386/rdseedintrin.h: Ditto.
	* config/i386/ammintrin.h: Ditto.
	* config/i386/emmintrin.h: Ditto.
	* config/i386/immintrin.h: Remove all header include guards.
	* config/i386/fma4intrin.h: Ditto.
	* config/i386/lwpintrin.h: Ditto.
	* config/i386/xopintrin.h: Ditto.
	* config/i386/ia32intrin.h: Ditto.
	* config/i386/avxintrin.h: Ditto.
	* config/i386/rtmintrin.h: Ditto.
	* config/i386/fmaintrin.h: Ditto.
	* config/i386/mm3dnow.h: Ditto.

2013-06-22  Sriraman Tallam  <tmsriram@google.com>

	* common/config/i386/i386-common.c: Handle LZCNT.

2013-06-22  Andi Kleen  <ak@linux.intel.com>

	* doc/extend.texi: Use __atomic_store_n instead of
	__atomic_store in HLE example.

2013-06-22  Oleg Endo <olegendo@gcc.gnu.org>

	* config/sh/sh.c: Remove <cstdlib> workaround.

2013-06-21  Andi Kleen  <ak@linux.intel.com>

	* doc/extend.texi: Dont use __atomic_clear in HLE
	example.  Fix typo.

2013-06-21  Andi Kleen  <ak@linux.intel.com>

	* doc/extend.texi: Document that __atomic_clear and
	  __atomic_test_and_set should only be used with bool.

2013-06-20  Jan Hubicka  <jh@suse.cz>

	* gimple-fold.c (gimple_extract_devirt_binfo_from_cst): Use
	types_same_for_odr.
	* tree.c (decls_same_for_odr): New function.
	(same_for_edr): New function.
	(types_same_for_odr): New function.
	(get_binfo_at_offset): Use it.
	* tree.h (types_same_for_odr): Declare.

2013-06-20  Oleg Endo <olegendo@gcc.gnu.org>
	    Jason Merrill  <jason@redhat.com>

	* system.h: Include <cstdlib> as well as <stdlib.h>.

2013-06-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/57655
	* config/i386/i386.c (construct_container): Report error if
	long double is used with disabled x87 float returns.

2013-06-20  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (input_symtab): Do not set cgraph state.

2013-06-20  Joern Rennecke <joern.rennecke@embecosm.com>

	PR rtl-optimization/57425
	PR rtl-optimization/57569
	* alias.c (write_dependence_p): Remove parameters mem_mode and
	canon_mem_addr.  Add parameters x_mode, x_addr and x_canonicalized.
	Changed all callers.
	(canon_anti_dependence): Get comments and semantics in sync.
	Add parameter mem_canonicalized.  Changed all callers.
	* rtl.h (canon_anti_dependence): Update prototype.

2013-06-20  Richard Biener  <rguenther@suse.de>

	* data-streamer-in.c (streamer_read_uhwi): Optimize single
	byte case, inline streamer_read_uchar and defer section
	overrun check.

2013-06-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57584
	* tree-ssa-loop-niter.c (expand_simple_operations): Avoid including
	SSA names into the expanded expression that take part in
	abnormal coalescing.

2013-06-19    <singhai@google.com>

	* gcov.c (print_usage): Handle new option.
	(process_args): Ditto.
	(get_gcov_intermediate_filename): New function.
	(output_intermediate_file): New function.
	(output_gcov_file): New function
	(generate_results): Handle new option.
	(release_function): Relase demangled name.
	(read_graph_file): Handle demangled name.
	(output_lines): Ditto.
	* doc/gcov.texi: Document gcov intermediate format.

2013-06-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/57604
	* lra.c (emit_add3_insn, emit_add2_insn): New functions.
	(lra_emit_add): Use the functions.  Add comment about Y as an
	address segment.

2013-06-19  David Edelsohn  <dje.gcc@gmail.com>

	PR driver/57652
	* collect2.c (collect_atexit): New.
	(collect_exit): Delete.
	(main): Register collect_atexit with atexit.
	(collect_wait): Change collect_exit to exit.
	(do_wait): Same.
	* collect2.h (collect_exit): Delete.
	* tlink.c (do_tlink): Rename exit to ret. Change collect_exit to exit.

2013-06-19  Wei Mi  <wmi@google.com>

	PR rtl-optimization/57518
	* ira.c (set_paradoxical_subreg): Set pdx_subregs[regno]
	if regno is used in paradoxical subreg.
	(update_equiv_regs): Check pdx_subregs[regno] before
	set a reg to be equivalent with a mem.

2013-06-19  Matthias Klose  <doko@ubuntu.com>

	PR driver/57651
	* file-find.h (find_a_file): Add a mode parameter.
	* file-find.c (find_a_file): Likewise.
	* gcc-ar.c (main): Call find_a_file with R_OK for the plugin,
	with X_OK for the executables.
	* collect2.c (main): Call find_a_file with X_OK.

2013-06-19  Steve Ellcey  <sellcey@mips.com>

	PR target/56942
	* config/mips/mips.md (casesi_internal_mips16_<mode>):
	Use NEXT_INSN instead of next_real_insn.

2013-06-19  Jan Hubicka  <jh@suse.cz>

	* cgraph.h (const_value_known_p): Replace by ...
	(ctor_for_folding): .. this one.
	* cgraphunit.c (process_function_and_variable_attributes): Use it.
	* lto-cgraph.c (compute_ltrans_boundary): Use ctor_for_folding.
	* expr.c (expand_expr_real_1): Likewise.
	(string_constant): Likewise.
	* tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
	* ipa.c (process_references): Likewise.
	(symtab_remove_unreachable_nodes): Likewise.
	* ipa-inline-analysis.c (param_change_prob): Likewise.
	* gimple-fold.c (canonicalize_constructor_val): Likewise.
	(get_base_constructor): Likwise.
	* varpool.c (varpool_remove_node): Likewise.
	(varpool_remove_initializer): LIkewise.
	(dump_varpool_node): LIkwise.
	(const_value_known_p): Rewrite to ...
	(ctor_for_folding): ... this one.

2013-06-19  Jakub Jelinek  <jakub@redhat.com>

	PR driver/57651
	* gcc-ar.c (main): If not CROSS_DIRECTORY_STRUCTURE, look for
	PERSONALITY in $PATH derived prefixes.

2013-06-19  Jeff Law  <law@redhat.com>

	* tree-ssa-forwprop.c (simplify_bitwise_binary_boolean): Fix typo
	in comment.

	* tree-ssa-forwprop.c (simplify_bitwise_binary_boolean): New function.
	(simplify_bitwise_binary): Use it to simpify certain binary ops on
	booleans.

2013-06-19  Sofiane Naci  <sofiane.naci@arm.com>

	* config/arm/vfp.md: Move VFP instruction classification documentation
	to ...
	* config/arm/arm.md: ... here.  Update instruction classification
	documentation.

2013-06-19  Richard Earnshaw  <rearnsha@arm.com>

	arm.md (split for eq(reg, 0)): Add variants for ARMv5 and Thumb2.
	(peepholes for eq(reg, not-0)): Ensure condition register is dead after
	pattern.  Use more efficient sequences on ARMv5 and Thumb2.

2013-06-19  Steven Bosscher  <steven@gcc.gnu.org>

	PR target/57609
	* config/s390/s390.c (s390_chunkify_start): Replace next_real_insn
	with NEXT_INSN.  Use tablejump_p to check for jump table data
	insns.

2013-06-19  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56544
	* doc/cpp.texi [Standard Predefined Macros, __cplusplus]: Document
	that now in C++ the value is correct per the C++ standards.

2013-06-19  Richard Biener  <rguenther@suse.de>

	* expr.c (expand_expr_real_1): Use SCOPE_FILE_SCOPE_P to check
	for global context.

2013-06-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	Revert:
	2013-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/57609
	* config/s390/s390.c (s390_chunkify_start): Replace next_real_insn
	with next_active_insn.

2013-06-18  Sriraman Tallam  <tmsriram@google.com>

	* ipa-inline.c (inline_always_inline_functions): Pretend always_inline
	functions are inlined during failures to flag an error.
	* tree-inline.c (expand_call_inline): Allow the error to be flagged
	in early inline pass.

2013-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (initial_ix86_tune_features): Fix a typo
	in comments.

2013-06-18  Julian Brown  <julian@codesourcery.com>

	* config/arm/arm.c (neon_vector_mem_operand): Add strict argument.
	Permit virtual register pre-reload if !strict.
	(coproc_secondary_reload_class): Adjust for neon_vector_mem_operand
	change.
	* config/arm/arm-protos.h (neon_vector_mem_operand): Adjust
	prototype.
	* config/arm/neon.md (movmisalign<mode>): Use
	neon_perm_struct_or_reg_operand instead of
	neon_struct_or_register_operand.
	(*movmisalign<mode>_neon_load, *movmisalign<mode>_neon_store): Use
	neon_permissive_struct_operand instead of neon_struct_operand.
	* config/arm/constraints.md (Un, Um, Us): Adjust calls to
	neon_vector_mem_operand.
	* config/arm/predicates.md (neon_struct_operand): Adjust call to
	neon_vector_mem_operand.
	(neon_permissive_struct_operand): New.
	(neon_struct_or_register_operand): Rename to...
	(neon_perm_struct_or_reg_operand): This. Adjust call to
	neon_vector_mem_operand.

2013-06-18  Richard Biener  <rguenther@suse.de>

	* Makefile.in (LTO_STREAMER_H): Add pointer-set.h dependency.
	* lto-streamer.h: Include pointer-set.h.
	(struct lto_decl_slot): Remove.
	(struct lto_tree_ref_encoder): Make tree_hash_table a pointer-map.
	Remove next_index entry.
	(lto_hash_decl_slot_node, lto_eq_decl_slot_node,
	lto_hash_type_slot_node, lto_eq_type_slot_node): Remove.
	(lto_init_tree_ref_encoder): Adjust.
	(lto_destroy_tree_ref_encoder): Likewise.
	* lto-section-out.c (lto_hash_decl_slot_node, lto_eq_decl_slot_node,
	lto_hash_type_slot_node, lto_eq_type_slot_node): Remove.
	(lto_output_decl_index): Adjust.
	(lto_new_out_decl_state): Likewise.
	(lto_record_function_out_decl_state): Likewise.
	* lto-streamer-out.c (copy_function): Likewise.

2013-06-18  Richard Biener  <rguenther@suse.de>

	* Makefile.in (cgraphunit.o): Add $(CFGLOOP_H) dependency.
	* cgraphunit.c: Include cfgloop.h.
	(init_lowered_empty_function): Initialize the loop tree.
	(assemble_thunk): Insert new BBs into loops.

2013-06-18  Richard Biener  <rguenther@suse.de>

	* tree-streamer.h (streamer_tree_cache_create): Adjust prototype.
	* tree-streamer.c (streamer_tree_cache_create): Make maintaining
	the map from cache entry to cache index optional.
	(streamer_tree_cache_replace_tree): Adjust accordingly.
	(streamer_tree_cache_append): Likewise.
	(streamer_tree_cache_delete): Likewise.
	* lto-streamer-in.c (lto_data_in_create): Do not maintain the
	streamer cache map from cache entry to cache index.
	* lto-streamer-out.c (create_output_block): Adjust.

2013-06-18  Sofiane Naci  <sofiane.naci@arm.com>

	* config/arm/arm.md (attribute "insn"): Move multiplication and
	division attributes to...
	(attribute "type"): ... here.  Remove mult.
	(attribute "mul32"): New attribute.
	(attribute "mul64"): Add umaal.
	(*arm_mulsi3): Update attributes.
	(*arm_mulsi3_v6): Likewise.
	(*thumb_mulsi3): Likewise.
	(*thumb_mulsi3_v6): Likewise.
	(*mulsi3_compare0): Likewise.
	(*mulsi3_compare0_v6): Likewise.
	(*mulsi_compare0_scratch): Likewise.
	(*mulsi_compare0_scratch_v6): Likewise.
	(*mulsi3addsi): Likewise.
	(*mulsi3addsi_v6): Likewise.
	(*mulsi3addsi_compare0): Likewise.
	(*mulsi3addsi_compare0_v6): Likewise.
	(*mulsi3addsi_compare0_scratch): Likewise.
	(*mulsi3addsi_compare0_scratch_v6): Likewise.
	(*mulsi3subsi): Likewise.
	(*mulsidi3adddi): Likewise.
	(*mulsi3addsi_v6): Likewise.
	(*mulsidi3adddi_v6): Likewise.
	(*mulsidi3_nov6): Likewise.
	(*mulsidi3_v6): Likewise.
	(*umulsidi3_nov6): Likewise.
	(*umulsidi3_v6): Likewise.
	(*umulsidi3adddi): Likewise.
	(*umulsidi3adddi_v6): Likewise.
	(*smulsi3_highpart_nov6): Likewise.
	(*smulsi3_highpart_v6): Likewise.
	(*umulsi3_highpart_nov6): Likewise.
	(*umulsi3_highpart_v6): Likewise.
	(mulhisi3): Likewise.
	(*mulhisi3tb): Likewise.
	(*mulhisi3bt): Likewise.
	(*mulhisi3tt): Likewise.
	(maddhisi4): Likewise.
	(*maddhisi4tb): Likewise.
	(*maddhisi4tt): Likewise.
	(maddhidi4): Likewise.
	(*maddhidi4tb): Likewise.
	(*maddhidi4tt): Likewise.
	(divsi3): Likewise.
	(udivsi3): Likewise.
	* config/arm/thumb2.md (thumb2_mulsi_short): Update attributes.
	(thumb2_mulsi_short_compare0): Likewise.
	(thumb2_mulsi_short_compare0_scratch): Likewise.
	* config/arm/arm1020e.md (1020mult1): Update attribute change.
	(1020mult2): Likewise.
	(1020mult3): Likewise.
	(1020mult4): Likewise.
	(1020mult5): Likewise.
	(1020mult6): Likewise.
	* config/arm/cortex-a15.md (cortex_a15_mult32): Update attribute
	change.
	(cortex_a15_mult64): Likewise.
	(cortex_a15_sdiv): Likewise.
	(cortex_a15_udiv): Likewise.
	* config/arm/arm1026ejs.md (mult1): Update attribute change.
	(mult2): Likewise.
	(mult3): Likewise.
	(mult4): Likewise.
	(mult5): Likewise.
	(mult6): Likewise.
	* config/arm/marvell-pj4.md (pj4_ir_mul): Update attribute change.
	(pj4_ir_div): Likewise.
	* config/arm/arm1136jfs.md (11_mult1): Update attribute change.
	(11_mult2): Likewise.
	(11_mult3): Likewise.
	(11_mult4): Likewise.
	(11_mult5): Likewise.
	(11_mult6): Likewise.
	(11_mult7): Likewise.
	* config/arm/cortex-a8.md (cortex_a8_mul): Update attribute change.
	(cortex_a8_mla): Likewise.
	(cortex_a8_mull): Likewise.
	(cortex_a8_smulwy): Likewise.
	(cortex_a8_smlald): Likewise.
	* config/arm/cortex-m4.md (cortex_m4_alu): Update attribute change.
	* config/arm/cortex-r4.md (cortex_r4_mul_4): Update attribute change.
	(cortex_r4_mul_3): Likewise.
	(cortex_r4_mla_4): Likewise.
	(cortex_r4_mla_3): Likewise.
	(cortex_r4_smlald): Likewise.
	(cortex_r4_mull): Likewise.
	(cortex_r4_sdiv): Likewise.
	(cortex_r4_udiv): Likewise.
	* config/arm/cortex-a7.md (cortex_a7_mul): Update attribute change.
	(cortex_a7_idiv): Likewise.
	* config/arm/arm926ejs.md (9_mult1): Update attribute change.
	(9_mult2): Likewise.
	(9_mult3): Likewise.
	(9_mult4): Likewise.
	(9_mult5): Likewise.
	(9_mult6): Likewise.
	* config/arm/cortex-a53.md (cortex_a53_mul): Update attribute change.
	(cortex_a53_sdiv): Likewise.
	(cortex_a53_udiv): Likewise.
	* config/arm/fa726te.md (726te_mult_op): Update attribute change.
	* config/arm/fmp626.md (mp626_mult1): Update attribute change.
	(mp626_mult2): Likewise.
	(mp626_mult3): Likewise.
	(mp626_mult4): Likewise.
	* config/arm/fa526.md (526_mult1): Update attribute change.
	(526_mult2): Likewise.
	* config/arm/arm-generic.md (mult): Update attribute change.
	(mult_ldsched_strongarm): Likewise.
	(mult_ldsched): Likewise.
	(multi_cycle): Likewise.
	* config/arm/cortex-a5.md (cortex_a5_mul): Update attribute change.
	* config/arm/fa606te.md (606te_mult1): Update attribute change.
	(606te_mult2): Likewise.
	(606te_mult3): Likewise.
	(606te_mult4): Likewise.
	* config/arm/cortex-a9.md (cortex_a9_mult16): Update attribute change.
	(cortex_a9_mac16): Likewise.
	(cortex_a9_multiply): Likewise.
	(cortex_a9_mac): Likewise.
	(cortex_a9_multiply_long): Likewise.
	* config/arm/fa626te.md (626te_mult1): Update attribute change.
	(626te_mult2): Likewise.
	(626te_mult3): Likewise.
	(626te_mult4): Likewise.

2013-06-18  Richard Biener  <rguenther@suse.de>

	PR lto/57334
	* lto-symtab.c (lto_symtab_merge_decls): Process nodes properly.

2013-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/57609
	* config/s390/s390.c (s390_chunkify_start): Replace next_real_insn
	with next_active_insn.

2013-06-18  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.h (enum data_align): New.
	(LOCAL_ALIGNMENT, DATA_ALIGNMENT): Use rs6000_data_alignment.
	(DATA_ABI_ALIGNMENT): Define.
	(CONSTANT_ALIGNMENT): Correct comment.
	* config/rs6000/rs6000-protos.h (rs6000_data_alignment): Declare.
	* config/rs6000/rs6000.c (rs6000_data_alignment): New function.

2013-06-17  David Malcolm  <dmalcolm@redhat.com>

	* ggc-page.c (ggc_pch_write_object) <d>: Remove erroneous
	ATTRIBUTE_UNUSED marking.

2013-06-17  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_dup_lane<mode>): Add r<-w
	alternative and update.
	(aarch64_dup_lanedi): Delete.
	* config/aarch64/arm_neon.h (vdup<bhsd>_lane_*): Update.
	* config/aarch64/aarch64-simd-builtins.def: Update.

2013-06-17  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (enum LTO_tags): Add LTO_tree_scc.
	(lto_input_scc): Declare.
	(lto_input_tree_1): Likewise.
	(struct lto_stats_d): Add num_tree_bodies_output and
	num_pickle_refs_output.
	* lto-streamer-in.c (lto_read_body): Use streamer_tree_cache_get_tree.
	(lto_read_tree_1): Split out from ...
	(lto_read_tree): ... this.
	(lto_input_scc): New function.
	(lto_input_tree_1): Split out from ...
	(lto_input_tree): ... this.  Handle LTO_tree_scc.
	(lto_data_in_create): Create the streamer cache without hashes.
	* lto-streamer-out.c (create_output_block): Create the streamer
	cache with hashes when not doing WPA.
	(lto_write_tree_1): Split out from ...
	(lto_write_tree): ... this.
	(get_symbol_initial_value): New function.
	(lto_output_tree_1): Split out from ...
	(lto_output_tree): ... this.  Write trees as series of SCCs
	using a DFS walk via DFS_write_tree.
	(struct sccs, struct scc_entry): New types.
	(next_dfs_num, sccstack, sccstate, sccstate_obstack): New globals.
	(DFS_write_tree_body): New function.
	(DFS_write_tree): Likewise.
	(hash_tree): Likewise.
	(scc_entry_compare): Likewise.
	(hash_scc): Likewise.
	(tree_is_indexable): DEBUG_EXPR_DECLs are local entities.
	* tree-streamer-in.c (lto_input_ts_list_tree_pointers): Stream
	TREE_CHAIN as regular reference.
	(streamer_read_integer_cst): Remove.
	(streamer_get_pickled_tree): Adjust.
	* tree-streamer-out.c (streamer_write_chain): Disable streaming
	of DECL_EXTERNALs in BLOCK_VARS for now.
	(write_ts_list_tree_pointers): Stream TREE_CHAIN as regular
	reference.
	* tree-streamer.c (streamer_tree_cache_add_to_node_array):
	Add hash value argument and record that if hashes are recorded
	in the cache.
	(streamer_tree_cache_insert_1): Adjust.
	(streamer_tree_cache_insert): Likewise.
	(streamer_tree_cache_insert_at): Rename to ...
	(streamer_tree_cache_replace_tree): ... this and adjust.
	(streamer_tree_cache_append): Adjust.
	(record_common_node): Likewise.
	(streamer_tree_cache_create): Add argument whether to
	record hash values together with trees.
	(streamer_tree_cache_delete): Adjust.
	* tree-streamer.h (struct streamer_tree_cache_d): Add
	vector of hashes.
	(streamer_read_integer_cst): Remove.
	(streamer_tree_cache_insert): Adjust.
	(streamer_tree_cache_append): Likewise.
	(streamer_tree_cache_insert_at): Rename to ...
	(streamer_tree_cache_replace_tree): ... this and adjust.
	(streamer_tree_cache_create): Add argument whether to record hashes.
	(streamer_tree_cache_get): Rename to ...
	(streamer_tree_cache_get_tree): ... this.
	(streamer_tree_cache_get_hash): New function.
	* tree.c (cache_integer_cst): New function.
	* tree.h (cache_integer_cst): Declare.
	(ANON_AGGRNAME_FORMAT, ANON_AGGRNAME_P): Move here from cp/cp-tree.h.
	* lto-symtab.c (lto_varpool_replace_node): Only release
	DECL_INITIAL of non-prevailing decls.
	* varpool.c (varpool_remove_initializer): Do not release
	DECL_INITIAL when we are still in CGRAPH_LTO_STREAMING.

2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>

	* config/mips/mips.h (ISA_HAS_MUL3): Include TARGET_MIPS5900.
	(ISA_HAS_MULT, ISA_HAS_DMULT, ISA_HAS_DIV, ISA_HAS_DDIV): New macros.
	* config/mips/mips.md (mul<mode>3, mul<mode>3_internal)
	(mul<mode>3_r4000): Require ISA_HAS_<D>MULT.
	(mul<mode>3_mul3): Handle TARGET_MIPS5900.
	(mulsidi3_64bit_dmul): Remove redundant TARGET_64BIT test.
	(<su>muldi3_highpart, <su>muldi3_highpart_internal, <u>mulditi3)
	(<u>mulditi3_internal, <u>mulditi3_r4000): Require ISA_HAS_DMULT
	instead of TARGET_64BIT.
	(divmod<mode>4, udivmod<mode>4, <u>divmod<GPR:mode>4_hilo_<HILO:mode>):
	Require ISA_HAS_<D>DIV.

2013-06-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* config.gcc (mips*-mti-linux*, mips64*-*-linux*, mipsisa64*-*-linux*)
	(mips*-*-linux*): Move default with_llsc setting to where other
	defaults are set.
	(mips*-*-vxworks*): Move with_arch default from with_cpu block to
	with_arch block.
	(mips64r5900-*-*, mips64r5900el-*-*, mipsr5900-*-*, mipsr5900el-*-*):
	Likewise.  Remove default with_tune setting.  Move default float
	setting to its own block.  Handle with_llsc in the same block as above.

2013-06-16  Joern Rennecke <joern.rennecke@embecosm.com>

	PR rtl-optimization/57425
	PR rtl-optimization/57569
	* alias.c (write_dependence_p): Add new parameters mem_mode,
	canon_mem_addr and mem_canonicalized.  Change type of writep to bool.
	Changed all callers.
	(canon_anti_dependence): New function.
	* cse.c (check_dependence): Use canon_anti_dependence.
	* cselib.c (cselib_invalidate_mem): Likewise.
	* rtl.h (canon_anti_dependence): Declare.

2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>

	* config/mips/mips.h (ISA_HAS_LL_SC): Exclude TARGET_MIPS5900.
	* config/mips/mips.c (mips_start_ll_sc_sync_block): Output
	".set mips3" for 64-bit targets.

2013-06-15  Dehao Chen  <dehao@google.com>

	* tree-flow.h (gimple_check_call_matching_types): Add new argument.
	* gimple-low.c (gimple_check_call_matching_types): Likewise.
	(gimple_check_call_args): Likewise.
	* value-prof.c (check_ic_target): Likewise.
	* ipa-inline.c (early_inliner): Likewise.
	* ipa-prop.c (update_indirect_edges_after_inlining): Likewise.
	* cgraph.c (cgraph_create_edge_1): Likewise.
	(cgraph_make_edge_direct): Likewise.

2013-06-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/57615
	* config/rs6000/rs6000.md (mov<mode>_ppc64): Call
	rs6000_output_move_128bit to handle emitting quad memory
	operations.  Set attribute length to 8 bytes.

2013-06-14  Vidya Praveen <vidyapraveen@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_<su>mlal_lo<mode>):
	New pattern.
	(aarch64_<su>mlal_hi<mode>, aarch64_<su>mlsl_lo<mode>): Likewise.
	(aarch64_<su>mlsl_hi<mode>, aarch64_<su>mlal<mode>): Likewise.
	(aarch64_<su>mlsl<mode>): Likewise.

2013-06-14  Mike Stump  <mikestump@comcast.net>

	* Makefile.in (TARGET_H): Add insn-codes.h.

2013-06-14  Alan Modra  <amodra@gmail.com>

	PR middle-end/57134
	PR middle-end/57586
	* expr.c (expand_expr_real_1 <normal_inner_ref>): Pass
	EXPAND_MEMORY and EXPAND_WRITE to recursive call.  Don't use
	bitfield expansion when EXPAND_MEMORY.
	(expand_expr_real_1 <VIEW_CONVERT_EXPR>): Pass modifier likewise.

2013-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Move
	test for clearing quad memory on 32-bit later.

2013-06-13  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (negate_expr_p): Handle VECTOR_CST.
	(fold_negate_expr): Likewise.
	(fold_real_zero_addition_p): Handle vectors.
	(fold_binary_loc) <PLUS_EXPR, MINUS_EXPR>: Likewise.

2013-06-14  Alan Modra  <amodra@gmail.com>

	* varasm.c (force_const_mem): Revert 2013-06-07 change.

2013-06-13  Jan Hubicka  <jh@suse.cz>

	* ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
	Local comdats are not externally visible.
	* symtab.c (dump_symtab_base): Dump externally visible.
	(verify_symtab_base): Verify back links in the symtab hash.

2013-06-13  Bin Cheng  <bin.cheng@arm.com>

	* fold-const.c (operand_equal_p): Consider NOP_EXPR and
	CONVERT_EXPR as equal nodes.

2013-06-13  Bin Cheng  <bin.cheng@arm.com>

	* rtlanal.c (noop_move_p): Check the code to be executed for COND_EXEC.

2013-06-13  Marc Glisse  <marc.glisse@inria.fr>

	* tree-ssa-forwprop.c (simplify_bitwise_binary, associate_plusminus):
	Generalize to complex and vector.
	* tree.c (build_all_ones_cst): New function.
	* tree.h (build_all_ones_cst): Declare it.

2013-06-13  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.h (LONG_DOUBLE_LARGE_FIRST): Define.
	* config/rs6000/rs6000.md (signbittf2): New insn.
	(extenddftf2_internal): Use LONG_DOUBLE_LARGE_FIRST.
	(abstf2_internal, cmptf_internal2): Likewise.
	* config/rs6000/spe.md (spe_abstf2_cmp, spe_abstf2_tst): Likewise.

2013-06-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* config/rs6000/rs6000.c (emit_load_locked): Add support for
	power8 byte, half-word, and quad-word atomic instructions.
	(emit_store_conditional): Likewise.
	(rs6000_expand_atomic_compare_and_swap): Likewise.
	(rs6000_expand_atomic_op): Likewise.

	* config/rs6000/sync.md (larx): Add new modes for power8.
	(stcx): Likewise.
	(AINT): New mode iterator to include TImode as well as normal
	integer modes on power8.
	(fetchop_pred): Use int_reg_operand instead of gpc_reg_operand so
	that VSX registers are not considered.  Use AINT mode iterator
	instead of INT1 to allow inclusion of quad word atomic operations
	on power8.
	(load_locked<mode>): Likewise.
	(store_conditional<mode>): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>): Likewise.
	(atomic_nand<mode>): Likewise.
	(atomic_fetch_<fetchop_name><mode>): Likewise.
	(atomic_nand_fetch<mode>): Likewise.
	(mem_thread_fence): Use gen_loadsync_<mode> instead of enumerating
	each type.
	(ATOMIC): On power8, add QImode, HImode modes.
	(load_locked<QHI:mode>_si): Varients of load_locked for QI/HI
	modes that promote to SImode.
	(load_lockedti): Convert TImode arguments to PTImode, so that we
	get a guaranteed even/odd register pair.
	(load_lockedpti): Likewise.
	(store_conditionalti): Likewise.
	(store_conditionalpti): Likewise.

	* config/rs6000/rs6000.md (QHI): New mode iterator for power8
	atomic load/store instructions.
	(HSI): Likewise.

2013-06-12  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (extended_mips16): Include GOT and constant-pool
	loads.
	(insn_count): New attribute, with most cases extracted from...
	(length): ...here.  Redefine most cases in terms of insn_count.
	(single_insn): Delete.
	(can_delay): Use insn_count to check for single instructions.
	(*mul<mode>3_r4300, mul<mode>3_r4000, *mul_acc_si, *mul_acc_si_r3900)
	(*msac_using_macc, *mul_sub_si, <u>mulsidi3_32bit_r4000)
	(<u>mulsidi3_64bit_r4000, <su>muldi3_highpart_internal)
	(<su>mulsi3_highpart_split, <su>muldi3_highpart_internal)
	(<u>mulditi3_r4000, *div<mode>3, *recip<mode>3, divmod<mode>4)
	(udivmod<mode>4, sqrt<mode>2, *rsqrt<mode>a, *rsqrt<mode>b)
	(fix_truncdfsi2_macro, fix_truncsfsi2_macro, *lea_high64)
	(*lea64, cprestore_<mode>, clear_hazard_<mode>, <unnamed insn>)
	(casesi_internal_mips16_<mode>, *tls_get_tp_<mode>_split)
	(tls_get_tp_mips16, *tls_get_tp_mips16_call_<mode>): Use "insn_count"
	rather than "length".
	(tls_get_tp_<mode>): Likewise.  Remove redundant "no_delay" attribute.
	* config/mips/mips-ps-3d.md (mips_c_cond_4s, mips_cabs_cond_4s):
	Use "insn_count" rather than "length".
	* config/mips/mips-dsp.md
	(mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>)
	(mips_l<GPR:size>x_<P:mode>, *mips_lw<u>x_<P:mode>_ext): Remove
	length attributes.

2013-06-12  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/57361
	* tree-ssa-dse.c (dse_possible_dead_store_p): Handle self-assignment.

2013-06-12  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Convert
	to split.
	(aarch64_simd_combine<mode>): New instruction expansion.
	* config/aarch64/aarch64-protos.h (aarch64_split_simd_combine): New
	function prototype.
	* config/aarch64/aarch64.c (aarch64_split_combine): New function.
	* config/aarch64/iterators.md (Vdbl): Add entry for DF.

2013-06-12  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (verify_edge_corresponds_to_fndecl): Be lax about
	decl has when in streaming stage.
	* lto-symtab.c (lto_symtab_merge_symbols): Likewise.
	* cgraph.h (cgraph_state): Add CGRAPH_LTO_STREAMING.

2013-06-12  Roland Stigge <stigge@antcom.de>

	PR target/57578
	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Fix SPE version detection.

2013-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57537
	* tree-vect-patterns.c (vect_recog_widen_mult_pattern): If
	vect_handle_widen_op_by_const, convert oprnd1 to half_type1.

2013-06-12  Richard Biener  <rguenther@suse.de>

	* data-streamer.h (streamer_write_char_stream): CSE
	obs->current_pointer.
	* data-streamer-out.c (streamer_write_uhwi_stream): Inline
	streamer_write_char_stream manually and optimize the resulting loop.
	(streamer_write_hwi_stream): Likewise.

2013-06-12  Jan Hubicka  <jh@suse.cz>

	* lto-symtab.c (lto_symtab_merge_symbols): Populate symtab hashtable.
	* cgraph.h (varpool_create_empty_node): Declare.
	* lto-cgraph.c (input_node, input_varpool_node): Forcingly create
	duplicated nodes.
	* symtab.c (symtab_unregister_node): Be lax about missin entries
	in node hash.
	(symtab_get_node): Update comment.
	* varpool.c (varpool_create_empty_node): Break out from ...
	(varpool_node_for_decl): ... here.
	* lto-streamer.h (lto_file_decl_data): Add RESOLUTION_MAP.

2013-06-12  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (expand_expr_real_1) <TARGET_MEM_REF>: Use straight-line flow.
	<MEM_REF>: Use 'type' instead of TREE_TYPE (exp) and tidy up the first
	part.  Use straight-line flow at the end.
	<COMPONENT_REF>: Remove superfluous else.
	<VIEW_CONVERT_EXPR>: Use 'type' instead of TREE_TYPE (exp).

2013-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/56564
	* varasm.c (decl_binds_to_current_def_p): Call binds_local_p
	target hook even for !TREE_PUBLIC decls.  If no resolution info
	is available, return false for common and external decls.

2013-06-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

	* config/rl78/constraints.md (U): New constraint.
	* config/rl78/rl78.md (*mulqi3_rl78,*mulhi3_rl78,*mulhi3_g13): Add
	valloc attribute.

2013-06-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/57589
	* config/rs6000/driver-rs6000.c (elf_platform): Make buffer static
	to allow returning address to AT_PLATFORM name.

2013-06-11  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_create_function_alias): Set weakref flag.
	* cgraph.h (symtab_node_base): Add weakref flag.
	* cgraphunit.c (cgraph_reset_node): Clear weakref flag.
	(handle_alias_pairs): Set weakref flag, do not set DECL_EXTERNAL.
	(output_weakrefs): Use weakref flag.
	* fold-const.c (simple_operand_p): Handle WEAK.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Drop weakref.
	* ipa.c (varpool_externally_visible_p): Drop weakref.
	(function_and_variable_visibility): Update comment; fix weakref
	sanity checks; do not clear DECL_WEAK on them.
	* lto-cgraph.c (lto_output_node): update.
	(lto_output_varpool_node): Update.
	(input_overwrite_node): Update.
	(input_node): Update.
	(input_varpool_node): Update.
	* lto-symtab.c (lto_symtab_symbol_p): Do not special case weakrefs.
	(lto_symtab_merge_symbols): Add sanity check.
	(lto_symtab_prevailing_decl): Do not special case weakrefs.
	* passes.c (rest_of_decl_compilation): Set static flag, too.
	* symtab.c (dump_symtab_base): Dump weakref.
	(verify_symtab_base): Sanity check weakrefs.
	(symtab_make_decl_local): Remove duplicated code.
	(symtab_alias_ultimate_target): Simplify.
	* varpool.c (varpool_create_variable_alias): Set weakref flag.

2013-06-11  DJ Delorie  <dj@redhat.com>

	* config/rl78/rl78.c (TARGET_UNWIND_WORD_MODE): Define.
	(rl78_unwind_word_mode): New.

2013-06-11  David Malcolm  <dmalcolm@redhat.com>

	* final.c (debug_prefix_maps): Make static.

2013-06-11  David Malcolm  <dmalcolm@redhat.com>

	* function.c (initial_trampoline): Remove stray copy.

2013-06-11  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64-simd.md (move_lo_quad_<mode>): Update.

2013-06-11  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipa_get_indirect_edge_target_1): Check that param_index is
	within bounds at the beginning of the function.

2013-06-11  Alan Modra  <amodra@gmail.com>

	* varasm.c (get_section): Don't die on !DECL_P decl.  Tidy error
	reporting.
	(get_named_section): Don't NULL !DECL_P decl.

2013-06-11  Igor Zamyatin  <igor.zamyatin@intel.com>

	* doc/invoke.texi (core-avx2): Document.
	(slm): Likewise.
	(atom): Updated with MOVBE.

2013-06-11  Richard Biener  <rguenther@suse.de>

	* collect2.c (main): Do not redirect ld stdout/stderr when debugging.

2013-06-11  Anton Blanchard  <anton@samba.org>

	* config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Calculate
	correct shift value in little-endian mode.

2013-06-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/56564
	* varasm.c (get_variable_align): Move #endif to the right place.

2013-06-10  Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (hash_external_ref): Use die_symbol or signature
	for hash so that hash table traversal order is deterministic.

2013-06-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* config/rs6000/vector.md (GPR move splitter): Do not split moves
	of vectors in GPRS if they are direct moves or quad word load or
	store moves.

	* config/rs6000/rs6000-protos.h (rs6000_output_move_128bit): Add
	declaration.
	(direct_move_p): Likewise.
	(quad_load_store_p): Likewise.

	* config/rs6000/rs6000.c (enum rs6000_reg_type): Simplify register
	classes into bins based on the physical register type.
	(reg_class_to_reg_type): Likewise.
	(IS_STD_REG_TYPE): Likewise.
	(IS_FP_VECT_REG_TYPE): Likewise.
	(reload_fpr_gpr): Arrays to determine what insn to use if we can
	use direct move instructions.
	(reload_gpr_vsx): Likewise.
	(reload_vsx_gpr): Likewise.
	(rs6000_init_hard_regno_mode_ok): Precalculate the register type
	information that is a simplification of register classes.  Also
	precalculate direct move reload helpers.
	(direct_move_p): New function to return true if the operation can
	be done as a direct move instruciton.
	(quad_load_store_p): New function to return true if the operation
	is a quad memory operation.
	(rs6000_legitimize_address): If quad memory, only allow register
	indirect for TImode addresses.
	(rs6000_legitimate_address_p): Likewise.
	(enum reload_reg_type): Delete, replace with rs6000_reg_type.
	(rs6000_reload_register_type): Likewise.
	(register_to_reg_type): Return register type.
	(rs6000_secondary_reload_simple_move): New helper function for
	secondary reload and secondary memory needed to identify anything
	that is a simple move, and does not need reloading.
	(rs6000_secondary_reload_direct_move): New helper function for
	secondary reload to identify cases that can be done with several
	instructions via the direct move instructions.
	(rs6000_secondary_reload_move): New helper function for secondary
	reload to identify moves between register types that can be done.
	(rs6000_secondary_reload): Add support for quad memory operations
	and for direct move.
	(rs6000_secondary_memory_needed): Likewise.
	(rs6000_debug_secondary_memory_needed): Change argument names.
	(rs6000_output_move_128bit): New function to return the move to
	use for 128-bit moves, including knowing about the various
	limitations of quad memory operations.

	* config/rs6000/vsx.md (vsx_mov<mode>): Add support for quad
	memory operations.  call rs6000_output_move_128bit for the actual
	instruciton(s) to generate.
	(vsx_movti_64bit): Likewise.

	* config/rs6000/rs6000.md (UNSPEC_P8V_FMRGOW): New unspec values.
	(UNSPEC_P8V_MTVSRWZ): Likewise.
	(UNSPEC_P8V_RELOAD_FROM_GPR): Likewise.
	(UNSPEC_P8V_MTVSRD): Likewise.
	(UNSPEC_P8V_XXPERMDI): Likewise.
	(UNSPEC_P8V_RELOAD_FROM_VSX): Likewise.
	(UNSPEC_FUSION_GPR): Likewise.
	(FMOVE128_GPR): New iterator for direct move.
	(f32_lv): New mode attribute for load/store of SFmode/SDmode values.
	(f32_sv): Likewise.
	(f32_dm): Likewise.
	(zero_extend<mode>di2_internal1): Add support for power8 32-bit
	loads and direct move instructions.
	(zero_extendsidi2_lfiwzx): Likewise.
	(extendsidi2_lfiwax): Likewise.
	(extendsidi2_nocell): Likewise.
	(floatsi<mode>2_lfiwax): Likewise.
	(lfiwax): Likewise.
	(floatunssi<mode>2_lfiwzx): Likewise.
	(lfiwzx): Likewise.
	(fix_trunc<mode>_stfiwx): Likewise.
	(fixuns_trunc<mode>_stfiwx): Likewise.
	(mov<mode>_hardfloat, 32-bit floating point): Likewise.
	(mov<move>_hardfloat64, 64-bit floating point): Likewise.
	(parity<mode>2_cmpb): Set length/type attr.
	(unnamed shift right patterns, mov<mode>_internal2): Change type attr
	for 'mr.' to fast_compare.
	(bpermd_<mode>): Change type attr to popcnt.
	(p8_fmrgow_<mode>): New insns for power8 direct move support.
	(p8_mtvsrwz_1): Likewise.
	(p8_mtvsrwz_2): Likewise.
	(reload_fpr_from_gpr<mode>): Likewise.
	(p8_mtvsrd_1): Likewise.
	(p8_mtvsrd_2): Likewise.
	(p8_xxpermdi_<mode>): Likewise.
	(reload_vsx_from_gpr<mode>): Likewise.
	(reload_vsx_from_gprsf): Likewise.
	(p8_mfvsrd_3_<mode>): LIkewise.
	(reload_gpr_from_vsx<mode>): Likewise.
	(reload_gpr_from_vsxsf): Likewise.
	(p8_mfvsrd_4_disf): Likewise.
	(multi-word GPR splits): Do not split direct moves or quad memory
	operations.

2013-06-10  David Malcolm  <dmalcolm@redhat.com>

	* tree-into-ssa.c (interesting_blocks): Make static.

2013-06-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/56564
	* varasm.c (align_variable): Don't use DATA_ALIGNMENT or
	CONSTANT_ALIGNMENT if !decl_binds_to_current_def_p (decl).
	Use DATA_ABI_ALIGNMENT for that case instead if defined.
	(get_variable_align): New function.
	(get_variable_section, emit_bss, emit_common,
	assemble_variable_contents, place_block_symbol): Use
	get_variable_align instead of DECL_ALIGN.
	(assemble_noswitch_variable): Add align argument, use it
	instead of DECL_ALIGN.
	(assemble_variable): Adjust caller.  Use get_variable_align
	instead of DECL_ALIGN.
	* config/i386/i386.h (DATA_ALIGNMENT): Adjust x86_data_alignment
	caller.
	(DATA_ABI_ALIGNMENT): Define.
	* config/i386/i386-protos.h (x86_data_alignment): Adjust prototype.
	* config/i386/i386.c (x86_data_alignment): Add opt argument.  If
	opt is false, only return the psABI mandated alignment increase.
	* config/c6x/c6x.h (DATA_ALIGNMENT): Renamed to...
	(DATA_ABI_ALIGNMENT): ... this.
	* config/mmix/mmix.h (DATA_ALIGNMENT): Renamed to...
	(DATA_ABI_ALIGNMENT): ... this.
	* config/mmix/mmix.c (mmix_data_alignment): Adjust function comment.
	* config/s390/s390.h (DATA_ALIGNMENT): Renamed to...
	(DATA_ABI_ALIGNMENT): ... this.
	* doc/tm.texi.in (DATA_ABI_ALIGNMENT): Document.
	* doc/tm.texi: Regenerated.

2013-06-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use
	cmp_code to construct REG_EQUAL note.

2013-06-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/57568
	* config/i386/i386.md (TARGET_READ_MODIFY_WRITE peepholes): Ensure
	that operands[2] doesn't overlap with operands[0].

2013-06-09  David Edelsohn  <dje.gcc@gmail.com>
	    Jan Hubicka  <jh@suse.cz>

	* config/rs6000/rs6000.c (print_operand, 'z'): Remove historical
	hack to mark symbols as used.

2013-06-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/57559
	* lra-constraints.c (process_alt_operands): Don't discourage
	memory with known offset for offsetable memory constraint.
	* lra.c (lra_emit_add): Exchange y and z for 2-op add insn.

2013-06-08  Eric Botcazou  <ebotcazou@adacore.com>

	* varasm.c (struct oc_local_state): Reorder fields.
	(output_constructor_bitfield): Replace OUTER parameter with BIT_OFFSET
	and adjust accordingly.
	(output_constructor): Reorder initialization code and adjust call to
	output_constructor_bitfield.

2013-06-07  Jan Hubicka  <jh@suse.cz>

	* symtab.c (symtab_resolve_alias): Do not remove alias attribute.

2013-06-07  David Malcolm  <dmalcolm@redhat.com>

	* tree-object-size.c (unknown): Make const.

2013-06-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (cpu_facility): Add cpu_zarch.
	("*movmem_short", "*clrmem_short", "*cmpmem_short): Use cpu_zarch
	for last alternative in the cpu_facility attribute.

2013-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56315
	* config/arm/arm.md (*xordi3_insn): Change to insn_and_split.
	(xordi3): Change operand 2 constraint to arm_xordi_operand.
	* config/arm/arm.c (const_ok_for_dimode_op): Handle XOR.
	* config/arm/constraints.md (Dg): New constraint.
	* config/arm/neon.md (xordi3_neon): Remove.
	(neon_veor<mode>): Generate xordi3 instead of xordi3_neon.
	* config/arm/predicates.md (arm_xordi_operand): New predicate.

2013-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (anddi3_insn): Remove duplicate alternatives.
	Clean up alternatives.

2013-06-07  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (setup_incoming_varargs): Round up
	va_list_gpr_size.

2013-06-07  Alan Modra  <amodra@gmail.com>

	* varasm.c (force_const_mem): Assert mode is not VOID or BLK.

2013-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/constraints.md (Df): New constraint.
	* config/arm/arm.md (iordi3_insn): Use Df constraint instead of De.
	Correct length attribute for last two alternatives.

2013-06-07  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
	override user -mfp-in-toc.
	(offsettable_ok_by_alignment): Consider just the current access
	rather than the whole object, unless BLKmode.  Handle
	CONSTANT_POOL_ADDRESS_P constants that lack a decl too.
	(use_toc_relative_ref): Allow CONSTANT_POOL_ADDRESS_P constants
	for -mcmodel=medium.
	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't
	override user -mfp-in-toc or -msum-in-toc.  Default to
	-mno-fp-in-toc for -mcmodel=medium.

2013-06-06  DJ Delorie  <dj@redhat.com>

	* config/rl78/rl78.c (rl78_valid_pointer_mode): New, implements
	TARGET_VALID_POINTER_MODE.

2013-06-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
	Document new power8 builtins.

	* config/rs6000/vector.md (and<mode>3): Add a clobber/scratch of a
	condition code register, to allow 128-bit logical operations to be
	done in the VSX or GPR registers.
	(nor<mode>3): Use the canonical form for nor.
	(eqv<mode>3): Add expanders for power8 xxleqv, xxlnand, xxlorc,
	vclz*, and vpopcnt* vector instructions.
	(nand<mode>3): Likewise.
	(orc<mode>3): Likewise.
	(clz<mode>2): LIkewise.
	(popcount<mode>2): Likewise.

	* config/rs6000/predicates.md (int_reg_operand): Rework tests so
	that only the GPRs are recognized.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	support for new power8 builtins.

	* config/rs6000/rs6000-builtin.def (xscvspdpn): Add new power8
	builtin functions.
	(xscvdpspn): Likewise.
	(vclz): Likewise.
	(vclzb): Likewise.
	(vclzh): Likewise.
	(vclzw): Likewise.
	(vclzd): Likewise.
	(vpopcnt): Likewise.
	(vpopcntb): Likewise.
	(vpopcnth): Likewise.
	(vpopcntw): Likewise.
	(vpopcntd): Likewise.
	(vgbbd): Likewise.
	(vmrgew): Likewise.
	(vmrgow): Likewise.
	(eqv): Likewise.
	(eqv_v16qi3): Likewise.
	(eqv_v8hi3): Likewise.
	(eqv_v4si3): Likewise.
	(eqv_v2di3): Likewise.
	(eqv_v4sf3): Likewise.
	(eqv_v2df3): Likewise.
	(nand): Likewise.
	(nand_v16qi3): Likewise.
	(nand_v8hi3): Likewise.
	(nand_v4si3): Likewise.
	(nand_v2di3): Likewise.
	(nand_v4sf3): Likewise.
	(nand_v2df3): Likewise.
	(orc): Likewise.
	(orc_v16qi3): Likewise.
	(orc_v8hi3): Likewise.
	(orc_v4si3): Likewise.
	(orc_v2di3): Likewise.
	(orc_v4sf3): Likewise.
	(orc_v2df3): Likewise.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Only
	allow power8 quad mode in 64-bit.
	(rs6000_builtin_vectorized_function): Add support to vectorize
	ISA 2.07 count leading zeros, population count builtins.
	(rs6000_expand_vector_init): On ISA 2.07 use xscvdpspn to form
	V4SF vectors instead of xscvdpsp to avoid IEEE related traps.
	(builtin_function_type): Add vgbbd builtin function which takes an
	unsigned argument.
	(altivec_expand_vec_perm_const): Add support for new power8 merge
	instructions.

	* config/rs6000/vsx.md (VSX_L2): New iterator for 128-bit types,
	that does not include TImdoe for use with 32-bit.
	(UNSPEC_VSX_CVSPDPN): Support for power8 xscvdpspn and xscvspdpn
	instructions.
	(UNSPEC_VSX_CVDPSPN): Likewise.
	(vsx_xscvdpspn): Likewise.
	(vsx_xscvspdpn): Likewise.
	(vsx_xscvdpspn_scalar): Likewise.
	(vsx_xscvspdpn_directmove): Likewise.
	(vsx_and<mode>3): Split logical operations into 32-bit and
	64-bit. Add support to do logical operations on TImode as well as
	VSX vector types.  Allow logical operations to be done in either
	VSX registers or in general purpose registers in 64-bit mode.  Add
	splitters if GPRs were used. For AND, add clobber of CCmode to
	allow use of ANDI on GPRs.  Rewrite nor to use the canonical RTL
	encoding.
	(vsx_and<mode>3_32bit): Likewise.
	(vsx_and<mode>3_64bit): Likewise.
	(vsx_ior<mode>3): Likewise.
	(vsx_ior<mode>3_32bit): Likewise.
	(vsx_ior<mode>3_64bit): Likewise.
	(vsx_xor<mode>3): Likewise.
	(vsx_xor<mode>3_32bit): Likewise.
	(vsx_xor<mode>3_64bit): Likewise.
	(vsx_one_cmpl<mode>2): Likewise.
	(vsx_one_cmpl<mode>2_32bit): Likewise.
	(vsx_one_cmpl<mode>2_64bit): Likewise.
	(vsx_nor<mode>3): Likewise.
	(vsx_nor<mode>3_32bit): Likewise.
	(vsx_nor<mode>3_64bit): Likewise.
	(vsx_andc<mode>3): Likewise.
	(vsx_andc<mode>3_32bit): Likewise.
	(vsx_andc<mode>3_64bit): Likewise.
	(vsx_eqv<mode>3_32bit): Add support for power8 xxleqv, xxlnand,
	and xxlorc instructions.
	(vsx_eqv<mode>3_64bit): Likewise.
	(vsx_nand<mode>3_32bit): Likewise.
	(vsx_nand<mode>3_64bit): Likewise.
	(vsx_orc<mode>3_32bit): Likewise.
	(vsx_orc<mode>3_64bit): Likewise.

	* config/rs6000/rs6000.h (VLOGICAL_REGNO_P): Update comment.

	* config/rs6000/altivec.md (UNSPEC_VGBBD): Add power8 vgbbd
	instruction.
	(p8_vmrgew): Add power8 vmrgew and vmrgow instructions.
	(p8_vmrgow): Likewise.
	(altivec_and<mode>3): Add clobber of CCmode to allow AND using
	GPRs to be split under VSX.
	(p8v_clz<mode>2): Add power8 count leading zero support.
	(p8v_popcount<mode>2): Add power8 population count support.
	(p8v_vgbbd): Add power8 gather bits by bytes by doubleword
	support.

	* config/rs6000/rs6000.md (eqv<mode>3): Add support for powerp eqv
	instruction.

	* config/rs6000/altivec.h (vec_eqv): Add defines to export power8
	builtin functions.
	(vec_nand): Likewise.
	(vec_vclz): Likewise.
	(vec_vclzb): Likewise.
	(vec_vclzd): Likewise.
	(vec_vclzh): Likewise.
	(vec_vclzw): Likewise.
	(vec_vgbbd): Likewise.
	(vec_vmrgew): Likewise.
	(vec_vmrgow): Likewise.
	(vec_vpopcnt): Likewise.
	(vec_vpopcntb): Likewise.
	(vec_vpopcntd): Likewise.
	(vec_vpopcnth): Likewise.
	(vec_vpopcntw): Likewise.

2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/57468
	* config/i386/i386.c (inline_secondary_memory_needed): Ignore
	spilled pseudos.

2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/57459
	* lra-constraints.c (update_ebb_live_info): Fix typo for operand
	type when setting live regs.

2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>

	* config/s390/s390.opt (mlra): New option.
	* config/s390/s390.c (s390_decompose_address): Check displacement
	for all registers for LRA.
	(s390_secondary_reload): Don't used secondary reloads for LRA.
	(s390_lra_p): New function.
	(TARGET_LRA_P): Define.
	* config/s390/s390.md (*movmem_short, *clrmem_short): Change value
	of attribute cpu_facility to zarch for the last alternative.
	(*cmpmem_short): Ditto.

2013-06-06  Eric Botcazou  <ebotcazou@adacore.com>

	* config/arm/arm.c (arm_r3_live_at_start_p): New predicate.
	(arm_compute_static_chain_stack_bytes): Use it.  Tidy up.
	(arm_expand_prologue): Likewise.

2013-06-06  Teresa Johnson  <tejohnson@google.com>

	PR c++/53743
	* ifcvt.c (find_if_case_1): Replace BB_COPY_PARTITION with assert
	as this is now done by redirect_edge_and_branch_force.
	* function.c (thread_prologue_and_epilogue_insns): Insert new bb after
	barriers, and fix interaction with splitting.
	* emit-rtl.c (try_split): Copy REG_CROSSING_JUMP notes.
	* cfgcleanup.c (try_forward_edges): Fix early return value to properly
	reflect changes made in the routine.
	* bb-reorder.c (emit_barrier_after_bb): Move to cfgrtl.c.
	(fix_up_fall_thru_edges): Remove incorrect check for bb layout order
	since this is called in cfglayout mode, and replace partition fixup
	with assert as that is now done by force_nonfallthru_and_redirect.
	(add_reg_crossing_jump_notes): Handle the fact that some jumps may
	already be marked with region crossing note.
	(insert_section_boundary_note): Make non-static, gate on flag
	has_bb_partition, rewrite to also check for multiple partitions.
	(rest_of_handle_reorder_blocks): Remove call to
	insert_section_boundary_note, now done later during free_cfg.
	(duplicate_computed_gotos): Don't duplicate partition crossing edge.
	* bb-reorder.h (insert_section_boundary_note): Declare.
	* Makefile.in (cfgrtl.o): Depend on bb-reorder.h
	* cfgrtl.c (rest_of_pass_free_cfg): If partitions exist
	invoke insert_section_boundary_note.
	(try_redirect_by_replacing_jump): Remove unnecessary
	check for region crossing note.
	(fixup_partition_crossing): New function.
	(rtl_redirect_edge_and_branch): Fixup partition boundaries.
	(emit_barrier_after_bb): Move here from bb-reorder.c, handle insertion
	in non-cfglayout mode.
	(force_nonfallthru_and_redirect): Fixup partition boundaries,
	remove old code that tried to do this. Emit barrier correctly
	when we are in cfglayout mode.
	(last_bb_in_partition): New function.
	(rtl_split_edge): Correctly fixup partition boundaries.
	(commit_one_edge_insertion): Remove old code that tried to
	fixup region crossing edge since this is now handled in
	split_block, and set up insertion point correctly since
	block may now end in a jump.
	(verify_hot_cold_block_grouping): Guard against checking when not in
	linearized RTL mode.
	(rtl_verify_edges): Add checks for incorrect/missing REG_CROSSING_JUMP
	notes.
	(rtl_verify_flow_info_1): Move verify_hot_cold_block_grouping to
	rtl_verify_flow_info, so not called in cfglayout mode.
	(rtl_verify_flow_info): Move verify_hot_cold_block_grouping here.
	(fixup_reorder_chain): Remove old code that attempted to fixup region
	crossing note as this is now handled in force_nonfallthru_and_redirect.
	(duplicate_insn_chain): Don't duplicate switch section notes.
	(rtl_can_remove_branch_p): Remove unnecessary check for region crossing
	note.
	* basic-block.h (emit_barrier_after_bb): Declare.

2013-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm-fixed.md (add<mode>3,usadd<mode>3,ssadd<mode>3,
	sub<mode>3, ussub<mode>3, sssub<mode>3, arm_ssatsihi_shift,
	arm_usatsihi): Adjust alternatives for arm_restrict_it.

2013-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm-ldmstm.ml: Set "predicable_short_it" to "no"
	where appropriate.
	* config/arm/ldmstm.md: Regenerate.

2013-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/sync.md (atomic_loaddi_1):
	Disable predication for arm_restrict_it.
	(arm_load_exclusive<mode>): Likewise.
	(arm_load_exclusivesi): Likewise.
	(arm_load_exclusivedi): Likewise.
	(arm_load_acquire_exclusive<mode>): Likewise.
	(arm_load_acquire_exclusivesi): Likewise.
	(arm_load_acquire_exclusivedi): Likewise.
	(arm_store_exclusive<mode>): Likewise.
	(arm_store_exclusive<mode>): Likewise.
	(arm_store_release_exclusivedi): Likewise.
	(arm_store_release_exclusive<mode>): Likewise.

2013-06-06  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (enum LTO_tags): Move LTO_tree_pickle_reference
	after LTO_null.
	(lto_tag_is_tree_code_p): Adjust.
	(lto_tag_is_gimple_code_p): Likewise.
	(lto_gimple_code_to_tag): Likewise.
	(lto_tag_to_gimple_code): Likewise.
	(lto_tree_code_to_tag): Likewise.
	(lto_tag_to_tree_code): Likewise.
	* data-streamer.h (streamer_write_hwi_in_range): Use
	uhwi streaming to stream the normalized range.
	(streamer_read_hwi_in_range): Likewise.

2013-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (enabled_for_depr_it): New attribute.
	(predicable_short_it): Likewise.
	(predicated): Likewise.
	(enabled): Handle above.
	(define_cond_exec): Set predicated attribute to yes.

2013-06-05  Mike Stump  <mikestump@comcast.net>

	* gdbinit.in (__FUNCTION__): Add.

2013-06-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
	GE, GT, GEU and GTU compares, modulo DImode compares with zero.

2013-06-05  Jan Hubicka  <jh@suse.cz>

	* varasm.c (mark_decl_referenced): Revert the removal until targets
	are fixed.

2013-06-05  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.c (print_operand, 'z'): Use DECL_PRESERVE_P
	instead of mark_decl_referenced.

2013-06-05  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_remove_node): Clear forced_by_abi.
	(cgraph_node_cannot_be_local_p_1): Honnor symbol.forced_by_abi
	and symtab_used_from_object_file_p.
	(cgraph_make_node_local_1): Clear forced_by_abi.
	(cgraph_can_remove_if_no_direct_calls_and): Use forced_by_abi
	* cgraph.h (symtab_node_base): Add forced_by_abi.
	(decide_is_variable_needed): Remove.
	(varpool_can_remove_if_no_refs): Honnor symbol.forced_by_abi.
	* cgraphunit.c (cgraph_decide_is_function_needed): Rename to ..
	(decide_is_symbol_needed): ... this one; handle symbols in general;
	always analyze virtuals; honnor forced_by_abi.
	(cgraph_finalize_function): Update.
	(varpool_finalize_decl): Update.
	(symbol_defined_and_needed): Remove.
	(analyze_functions): Update.
	* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
	output_refs, input_overwrite_node): Handle forced_by_abi.
	* ipa.c (cgraph_address_taken_from_non_vtable_p): Rename to ...
	(address_taken_from_non_vtable_p): ... this one.
	(comdat_can_be_unshared_p_1): New function.
	(cgraph_comdat_can_be_unshared_p): Rename to ...
	(comdat_can_be_unshared_p): ... this one; handle symbols in general.
	(varpool_externally_visible_p): Use comdat_can_be_unshared_p.
	(function_and_variable_visibility): Clear forced_by_abi as needed.
	* trans-mem.c (ipa_tm_mark_forced_by_abi_node): New functoin.
	(ipa_tm_create_version_alias, ipa_tm_create_version): Update.
	* symtab.c (dump_symtab_base): Dump forced_by_abi.
	* varpool.c (decide_is_variable_needed): Remove.

2013-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (MAX_INSN_PER_IT_BLOCK): New macro.
	(arm_option_override): Override arm_restrict_it where appropriate.
	(thumb2_final_prescan_insn): Use MAX_INSN_PER_IT_BLOCK.
	* config/arm/arm.opt (mrestrict-it): New command-line option.
	* doc/invoke.texi: Document -mrestrict-it.

2013-06-05  David Malcolm  <dmalcolm@redhat.com>

	* tsan.c (tsan_atomic_table): Make const.

2013-06-05  Richard Biener  <rguenther@suse.de>

	* tree-streamer.c (streamer_tree_cache_insert_1): Update the
	index associated with the tree we are supposed to replace.
	* tree-streamer-out.c (pack_ts_base_value_fields): Output
	TREE_ASM_WRITTEN as zero for everything but SSA names.

2013-06-05  David Malcolm  <dmalcolm@redhat.com>

	* tree-ssa-structalias.c (call_stmt_vars): Make static.

2013-06-04  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (get_alias_symbol): Remove weakref sanity check.
	(input_node, input_varpool_node): Handle correctly external same
	body aliases.
	* ipa.c (symtab_remove_unreachable_nodes): Do not remove external
	nodes at ltrans stage.

2013-06-04  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (update_caller_keys): Fix availability test.
	(update_callee_keys): Likewise.
	* symtab.c (symtab_alias_ultimate_target): Make availaiblity logic
	to follow ELF standard.

2013-06-04  Jürgen Urban  <JuergenUrban@gmx.de>

	* config.gcc (mipsr5900-*-elf*, mipsr5900el-*-elf*, mips64r5900-*-elf*)
	(mips64r5900el-*-elf*): New configurations.
	* config/mips/mips-cpus.def (r5900): New processor.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/mips.c (mips_rtx_cost_data): Add an R5900 entry.
	(mips_issue_rate): Handle PROCESSOR_R5900.
	(mips_reorg_process_insns): Force reorder mode for the R5900.
	* config/mips/mips.h (TARGET_MIPS5900): Define.
	(ISA_HAS_CONDMOVE, ISA_HAS_PREFETCH, ISA_HAS_HILO_INTERLOCKS): Include
	TARGET_MIPS5900.
	(ISA_HAS_LOAD_DELAY, ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY): Exclude
	TARGET_MIPS5900.
	* config/mips/mips.md (processor): Add r5900.
	(MOVECC): Disallow CCmode conditions for TARGET_MIPS5900.

2013-06-04  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*mov<mode>_aarch64): Call
	into function to generate MOVI instruction.
	* config/aarch64/aarch64.c (aarch64_simd_container_mode): New function.
	(aarch64_preferred_simd_mode): Turn into wrapper.
	(aarch64_output_scalar_simd_mov_immediate): New function.
	* config/aarch64/aarch64-protos.h: Add prototype for above.

2013-06-04  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (simd_immediate_info): Remove
	element_char member.
	(sizetochar): Return signed char.
	(aarch64_simd_valid_immediate): Remove elchar and other
	unnecessary variables.
	(aarch64_output_simd_mov_immediate): Take rtx instead of &rtx.
	Calculate element_char as required.
	* config/aarch64/aarch64-protos.h: Update and move prototype
	for aarch64_output_simd_mov_immediate.
	* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>):
	Update arguments.

2013-06-04  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (simd_immediate_info): Struct to hold
	information completed by aarch64_simd_valid_immediate.
	(aarch64_legitimate_constant_p): Update arguments.
	(aarch64_simd_valid_immediate): Work with struct rather than many
	pointers.
	(aarch64_simd_scalar_immediate_valid_for_move): Update arguments.
	(aarch64_simd_make_constant): Update arguments.
	(aarch64_output_simd_mov_immediate): Work with struct rather than
	many pointers.  Output immediate directly rather than as operand.
	* config/aarch64/aarch64-protos.h (aarch64_simd_valid_immediate):
	Update prototype.
	* config/aarch64/constraints.md (Dn): Update arguments.

2013-06-04  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_valid_immediate): No
	longer static.
	(aarch64_simd_immediate_valid_for_move): Remove.
	(aarch64_simd_scalar_immediate_valid_for_move): Update call.
	(aarch64_simd_make_constant): Update call.
	(aarch64_output_simd_mov_immediate): Update call.
	* config/aarch64/aarch64-protos.h (aarch64_simd_valid_immediate):
	Add prototype.
	* config/aarch64/constraints.md (Dn): Update call.

2013-06-04  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Change
	return type to bool for prototype.
	(aarch64_legitimate_constant_p): Check for true instead of not -1.
	(aarch64_simd_valid_immediate): Fix up each return to return a bool.
	(aarch64_simd_immediate_valid_for_move): Update retval for bool.

2013-06-04  Catherine Moore  <clm@codesourcery.com>

	* config/mips/mips.opt (meva): New.
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_eva.
	(ASM_SPEC): Handle -meva.
	* doc/invoke.texi (meva):  Document.

2013-06-04  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (output_toc): Correct little-endian float
	constant output.

2013-06-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* rtl.def: Add extra fourth optional field to define_cond_exec.
	* gensupport.c (process_one_cond_exec): Process attributes from
	define_cond_exec.
	* doc/md.texi: Document fourth field in define_cond_exec.

2013-06-04  Eric Botcazou  <ebotcazou@adacore.com>

	* expmed.c (extract_bit_field_1): In the larger-than-a-word case, factor
	out the processing order as in store_bit_field_1.

2013-06-04  Jan Hubicka  <jh@suse.cz>

	PR middle-end/57500
	* cgraphunit.c (cgraph_process_same_body_aliases): Create
	non-VAR_DECL node if it does not exist yet.

2013-06-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* config.gcc (mipsisa64sr71k-*-elf*, mipsisa64sb1-*-elf*)
	(mipsisa64sb1el-*-elf*, mips64-*-elf*, mips64el-*-elf*)
	(mips64orion-*-elf*, mips64orionel-*-elf*): Remove
	target_cpu_default setting.

2013-06-03  Teresa Johnson  <tejohnson@google.com>

	* dumpfile.c (opt_info_switch_p): Change -fopt-info
	default to -fopt-info=optimized instead of all.
	* doc/invoke.texi: Ditto.
	* tree-vectorizer.c (vectorize_loops): Emit loop vectorization
	success under MSG_OPTIMIZED_LOCATIONS, and use dump_printf_loc.
	(execute_vect_slp): Emit BB vectorization success under
	MSG_OPTIMIZED_LOCATIONS.
	* tree-vect-slp.c (vect_slp_transform_bb): Change
	MSG_OPTIMIZED_LOCATIONS to MSG_NOTE.
	* tree-vect-loop.c (vect_transform_loop): Ditto.

2013-06-03  Jason Merrill  <jason@redhat.com>

	PR c++/57415
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Use TARGET_EXPR for C++.

2013-06-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/57268
	* sched-deps.c (sched_analyze_2): Don't flush_pending_lists
	if DEBUG_INSN_P (insn).

	Reapply
	2013-05-31  Dinar Temirbulatov  <dinar@kugelworks.com>

	PR rtl-optimization/57268
	* sched-deps.c (sched_analyze_2): Flush dependence lists if
	the sum of the read and write lists exceeds MAX_PENDING_LIST_LENGTH.

2013-06-03  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>

	* config/i386/i386.c (ix86_lea_outperforms): Fix formatting.
	(ix86_avoid_lea_for_addr): Likewise.
	(exact_dependency_1): Likewise.
	(ix86_adjust_cost): Likewise.
	(swap_top_of_ready_list): Fix formatting and !reload_completed check
	removed.
	(do_reorder_for_imul): Fix typo, formatting and
	!reload_completed check removed.
	(ix86_sched_reorder): Fix typo and formatting.
	(fold_builtin_cpu): Move M_INTEL_SLM at the end of processor types
	list.

2013-06-03  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md (*movdi_aarch64): Define "simd" attribute.

2013-06-03  Eric Botcazou  <ebotcazou@adacore.com>

	* varasm.c (output_constant) <CONSTRUCTOR>: Minor formatting tweak.
	<STRING_CST>: Likewise.
	<VECTOR_CST>: Likewise.

2013-06-01  Janus Weil  <janus@gcc.gnu.org>
	    Mikael Morin  <mikael@gcc.gnu.org>

	* configure.ac: Add AC_HEADER_TIOCGWINSZ macro.
	* config.in: Regenerated.
	* configure: Regenerated.

2013-06-01  Jan Hubicka  <jh@suse.cz>

	PR middle-end/57366
	* cgraphunit.c (compile): When weakref is not supported,
	set up transparent aliases before final output pass.
	* varasm.c (assemble_alias): Do not try to do it here.

2013-06-01  Jan Hubicka  <jh@suse.cz>

	PR middle-end/57467
	* passes.c (for_per_function): Skip unanalyzed functions.

2013-06-01  Jan Hubicka  <jh@suse.cz>

	* lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Rename to ...
	(lto_symtab_merge_symbols_1): ... this one.
	(lto_symtab_merge_cgraph_nodes): Rename to ...
	(lto_symtab_merge_symbols): ... this one; simplify.
	* cgraph.c (same_body_aliases_done): Rename to ...
	(cpp_implicit_aliases_done): ... this one.
	(cgraph_create_function_alias): Update.
	(cgraph_same_body_alias): Update.
	(dump_cgraph_node): Remove alias dumping; simplify thunk dumping.
	(verify_edge_corresponds_to_fndecl): Simplify.
	* cgraph.h (symtab_node_base): Add cpp_implicit_alias, alias_target.
	(cgraph_node): Remove same_body_alias.
	(varpool_node): Remove alias_of and extra_name_alias.
	(same_body_aliases_done): Rename to ..
	(cpp_implicit_aliases_done): ... this one.
	(symtab_alias_ultimate_target): Add default parameter.
	(symtab_resolve_alias): New function.
	(fixup_same_cpp_alias_visibility): Declare.
	(cgraph_function_node): Add default parameter.
	(cgraph_node_asm_name): Likewise.
	(cgraph_function_or_thunk_node): Add default parameter; do
	not ICE when it is NULL.
	(varpool_variable_node): Likewise.
	* tree-emutls.c (create_emultls_var): Update.
	(ipa_lower_emutls): Update.
	* cgraphunit.c (cgraph_decide_is_function_needed): Update.
	(cgraph_reset_node): Reset alias info.
	(cgraph_finalize_function): Update.
	(fixup_same_cpp_alias_visibility): Move to symtab.c.
	(analyze_function): Simplify.
	(cgraph_process_same_body_aliases): Simplify.
	(analyze_functions): Fixup same body aliases.
	(handle_alias_pairs): Simplify.
	(assemble_thunk): Update.
	(assemble_thunks_and_aliases): Update.
	(output_weakrefs): Rewrite.
	* lto-cgraph.c (lto_output_node): Rewrite alias handling.
	(lto_output_varpool_node): Likewise.
	(compute_ltrans_boundary): Remve assert.
	(get_alias_symbol): New functoin.
	(input_node): Rewrite alias handling.
	(input_varpool_node): Likewise.
	* ipa-pure-const.c (propagate_pure_const): Fix formating.
	* ipa.c (process_references): Handle weakrefs correctly.
	(symtab_remove_unreachable_nodes): Likewise.
	* trans-mem.c (get_cg_data): Update.
	(ipa_tm_create_version_alias): Update.
	(ipa_tm_execute): Update.
	* symtab.c (dump_symtab_base): Dump aliases.
	(verify_symtab_base): Verify aliases.
	(symtab_node_availability): New function.
	(symtab_alias_ultimate_target): Simplify.
	(fixup_same_cpp_alias_visibility): Move here from cgraphunit.c;
	handle all the fixup cases.
	(symtab_resolve_alias): New function.
	* passes.c (ipa_write_summaries): Handle weakrefs.
	* varpool.c (varpool_analyze_node): Simplify.
	(assemble_aliases): Update.
	(varpool_create_variable_alias): Simplify.
	(varpool_extra_name_alias): Simplify.
	* lto-streamer.h (lto_symtab_merge_cgraph_nodes): Rename to...
	(lto_symtab_merge_symbols): ... this one.

2013-06-01  Dinar Temirbulatov  <dinar@kugelworks.com>

	Revert
	PR rtl-optimization/57268
	* sched-deps.c (sched_analyze_2): Flush dependence lists if
	the sum of the read and write lists exceeds MAX_PENDING_LIST_LENGTH.

2013-06-01  Tobias Burnus  <burnus@net-b.de>

	Partially reverted:
	2013-05-31  Tobias Burnus  <burnus@net-b.de>

	PR middle-end/57073
	* tree-ssa-math-opts.c (execute_cse_sincos): Move check
	further up.

2013-05-31  Dinar Temirbulatov  <dinar@kugelworks.com>

	PR rtl-optimization/57268
	* sched-deps.c (sched_analyze_2): Flush dependence lists if
	the sum of the read and write lists exceeds MAX_PENDING_LIST_LENGTH.

2013-05-31  Eric Botcazou  <ebotcazou@adacore.com>

	* config/rs6000/predicates.md (rs6000_cbranch_operator): Accept some
	unordered comparison operators when -fno-trapping-math is in effect
	on the e500.
	* config/rs6000/rs6000.c (rs6000_generate_compare): Remove dead code
	and implement unordered comparison operators properly on the e500.

2013-05-31  Eric Botcazou  <ebotcazou@adacore.com>

	* simplify-rtx.c (simplify_byte_swapping_operation): Use proper macro
	for constant scalar integers.
	(simplify_relational_operation_1): Likewise.

2013-05-31  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000-opts.h (enum processor_type): Reorder.
	* config/rs6000/rs6000.md (cpu): Reorder.  Split long line.
	Fix comment.

2013-05-31  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
	    Igor Zamyatin  <igor.zamyatin@intel.com>

	Silvermont (SLM) architecture performance tuning.
	* config/i386/i386.h (enum ix86_tune_indices): Add
	X86_TUNE_SPLIT_MEM_OPND_FOR_FP_CONVERTS.
	(TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS): New define.

	* config/i386/i386.c (initial_ix86_tune_features)
	<X86_TUNE_SPLIT_MEM_OPND_FOR_FP_CONVERTS>: Initialize.
	(ix86_lea_outperforms): Handle Silvermont tuning.
	(ix86_avoid_lea_for_add): Add new argument to ix86_lea_outperforms
	call.
	(ix86_use_lea_for_mov): Likewise.
	(ix86_avoid_lea_for_addr): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(exact_dependency_1): New function.
	(exact_store_load_dependency): Likewise.
	(ix86_adjust_cost): Handle Silvermont tuning.
	(do_reoder_for_imul): Likewise.
	(swap_top_of_ready_list): New function.
	(ix86_sched_reorder): Changed to handle Silvermont tuning.

	* config/i386/i386.md (peepholes that split memory operand in fp
	converts): New.

2013-05-31  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
	Remove un-necessary braces.

2013-05-31  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64.c (aarch64_classify_symbol):
	Use SYMBOL_TINY_ABSOLUTE for AARCH64_CMODEL_TINY_PIC.

2013-05-31  Tobias Burnus  <burnus@net-b.de>

	PR middle-end/57073
	* tree-ssa-math-opts.c (execute_cse_sincos): Move check further up.

2013-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56315
	* config/arm/arm.c (const_ok_for_dimode_op): Handle IOR.
	* config/arm/arm.md (*iordi3_insn): Change to insn_and_split.
	* config/arm/neon.md (iordi3_neon): Remove.
	(neon_vorr<mode>): Generate iordi3 instead of iordi3_neon.
	* config/arm/predicates.md (imm_for_neon_logic_operand):
	Move to earlier in the file.
	(neon_logic_op2): Likewise.
	(arm_iordi_operand_neon): New predicate.

2013-05-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57478
	PR tree-optimization/57453
	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Uses in PHI nodes
	are life as well.

2013-05-31  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

	* config/rl78/rl78.md (mulqi3,mulhi3): New define_expands.
	(*mulqi3_rl78,*mulhi3_rl78,*mulhi3_g13): New define_insns.

2013-05-30  Tobias Burnus  <burnus@net-b.de>
	    Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR middle-end/57073
	* tree-ssa-math-opts.c (execute_cse_sincos): Optimize
	powi (-1.0, k) to (k & 1) ? -1.0 : 1.0.

2013-05-30  Steven Bosscher  <steven@gcc.gnu.org>

	* rtlanal.c (tablejump_p): Expect table and label to be adjacent.

2013-05-30  Vladimir Makarov  <vmakarov@redhat.com>

	* target.def (register_usage_leveling_p): New hook.
	* targhooks.c (default_register_usage_leveling_p): New.
	* targhooks.h (default_register_usage_leveling_p): New prototype.
	* lra-assigns.c (register_usage_leveling_p): Use the hook.
	* doc/tm.texi.in (TARGET_REGISTER_USAGE_LEVELING_P): New hook.
	* doc/tm.texi: Update.
	* config/i386/i386.c (TARGET_REGISTER_USAGE_LEVELING_P): Define.

2013-05-30  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (insv<mode>): New define_expand.
	(*insv_reg<mode>): New define_insn.

2013-05-30  Joern Rennecke <joern.rennecke@embecosm.com>

	PR rtl-optimization/57439
	* postreload.c (move2add_valid_value_p): Check that we have
	a zero subreg_regno_offset when accessing the register in
	the requested mode.

2013-05-30  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
	    Igor Zamyatin  <igor.zamyatin@intel.com>

	Silvermont (SLM) architecture pipeline model, tuning and
	insn selection.
	* config.gcc: Add slm config options and target.

	* config/i386/slm.md: New.

	* config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

	* gcc/config/i386/i386-c.c (ix86_target_macros_internal):  New case
	PROCESSOR_SLM.
	(ix86_target_macros_internal): Likewise.

	* gcc/config/i386/i386.c (slm_cost): New cost.
	(m_SLM): New macro flag.
	(initial_ix86_tune_features): Set m_SLM.
	(x86_accumulate_outgoing_args): Likewise.
	(x86_arch_always_fancy_math_387): Likewise.
	(processor_target_table): Add slm cost.
	(cpu_names): Add slm cpu name.
	(x86_option_override_internal): Set SLM ISA.
	(ix86_issue_rate): New case PROCESSOR_SLM.
	(ia32_multipass_dfa_lookahead): Likewise.
	(fold_builtin_cpu): Add slm.

	* config/i386/i386.h (TARGET_SLM): New target macro.
	(target_cpu_default): Add TARGET_CPU_DEFAULT_slm.
	(processor_type): Add PROCESSOR_SLM.

	* config/i386/i386.md (cpu): Add new value "slm".
	(slm.md): Include slm.md.

2013-05-30  Bernd Schmidt  <bernds@codesourcery.com>
	    Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* config/arm/arm-protos.h: Add and update function protos.
	* config/arm/arm.c (use_simple_return_p): New added.
	(thumb2_expand_return): Check simple_return flag.
	* config/arm/arm.md: Add simple_return and conditional simple_return.
	* config/arm/iterators.md: Add iterator for return and simple_return.

2013-05-30  Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* config/arm/arm.c (arm_add_cfa_adjust_cfa_note): New added.
	(arm_emit_multi_reg_pop): Add REG_CFA_ADJUST_CFA notes.
	(arm_emit_vfp_multi_reg_pop): Likewise.
	(thumb2_emit_ldrd_pop): Likewise.
	(arm_expand_epilogue): Add misc REG_CFA notes.
	(arm_unwind_emit): Skip REG_CFA_ADJUST_CFA and REG_CFA_RESTORE.

2013-05-29  Lawrence Crowl  <crowl@google.com>

	* config/arm/t-arm: Update for below.

	* config/arm/arm.c (arm_libcall_uses_aapcs_base::libcall_htab):
	Change type to hash_table.  Update dependent calls and types.

	* config/i386/t-cygming: Update for below.

	* config/i386/t-interix: Update for below.

	* config/i386/winnt.c (i386_pe_section_type_flags::htab):
	Change type to hash_table.  Update dependent calls and types.
	(i386_find_on_wrapper_list::wrappers): Likewise.

	* config/ia64/t-ia64: Update for below.

	* config/ia64/ia64.c (bundle_state_table):
	Change type to hash_table.  Update dependent calls and types.

	* config/mips/mips.c (mips_reorg_process_insns::htab):
	Change type to hash_table.  Update dependent calls and types.

	* config/sol2.c (solaris_comdat_htab):
	Change type to hash_table.  Update dependent calls and types.

	* config/t-sol2: Update for above.

2013-05-29  Teresa Johnson  <tejohnson@google.com>

	* passes.c (dump_passes): Use FOR_EACH_FUNCTION since
	functions are not yet marked as defined.

2013-05-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* config/rs6000/vector.md (VEC_I): Add support for new power8 V2DI
	instructions.
	(VEC_A): Likewise.
	(VEC_C): Likewise.
	(vrotl<mode>3): Likewise.
	(vashl<mode>3): Likewise.
	(vlshr<mode>3): Likewise.
	(vashr<mode>3): Likewise.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	support for power8 V2DI builtins.

	* config/rs6000/rs6000-builtin.def (abs_v2di): Add support for
	power8 V2DI builtins.
	(vupkhsw): Likewise.
	(vupklsw): Likewise.
	(vaddudm): Likewise.
	(vminsd): Likewise.
	(vmaxsd): Likewise.
	(vminud): Likewise.
	(vmaxud): Likewise.
	(vpkudum): Likewise.
	(vpksdss): Likewise.
	(vpkudus): Likewise.
	(vpksdus): Likewise.
	(vrld): Likewise.
	(vsld): Likewise.
	(vsrd): Likewise.
	(vsrad): Likewise.
	(vsubudm): Likewise.
	(vcmpequd): Likewise.
	(vcmpgtsd): Likewise.
	(vcmpgtud): Likewise.
	(vcmpequd_p): Likewise.
	(vcmpgtsd_p): Likewise.
	(vcmpgtud_p): Likewise.
	(vupkhsw): Likewise.
	(vupklsw): Likewise.
	(vaddudm): Likewise.
	(vmaxsd): Likewise.
	(vmaxud): Likewise.
	(vminsd): Likewise.
	(vminud): Likewise.
	(vpksdss): Likewise.
	(vpksdus): Likewise.
	(vpkudum): Likewise.
	(vpkudus): Likewise.
	(vrld): Likewise.
	(vsld): Likewise.
	(vsrad): Likewise.
	(vsrd): Likewise.
	(vsubudm): Likewise.

	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
	support for power8 V2DI instructions.

	* config/rs6000/altivec.md (UNSPEC_VPKUHUM): Add support for
	power8 V2DI instructions.  Combine pack and unpack insns to use an
	iterator for each mode.  Check whether a particular mode supports
	Altivec instructions instead of just checking TARGET_ALTIVEC.
	(UNSPEC_VPKUWUM): Likewise.
	(UNSPEC_VPKSHSS): Likewise.
	(UNSPEC_VPKSWSS): Likewise.
	(UNSPEC_VPKUHUS): Likewise.
	(UNSPEC_VPKSHUS): Likewise.
	(UNSPEC_VPKUWUS): Likewise.
	(UNSPEC_VPKSWUS): Likewise.
	(UNSPEC_VPACK_SIGN_SIGN_SAT): Likewise.
	(UNSPEC_VPACK_SIGN_UNS_SAT): Likewise.
	(UNSPEC_VPACK_UNS_UNS_SAT): Likewise.
	(UNSPEC_VPACK_UNS_UNS_MOD): Likewise.
	(UNSPEC_VUPKHSB): Likewise.
	(UNSPEC_VUNPACK_HI_SIGN): Likewise.
	(UNSPEC_VUNPACK_LO_SIGN): Likewise.
	(UNSPEC_VUPKHSH): Likewise.
	(UNSPEC_VUPKLSB): Likewise.
	(UNSPEC_VUPKLSH): Likewise.
	(VI2): Likewise.
	(VI_char): Likewise.
	(VI_scalar): Likewise.
	(VI_unit): Likewise.
	(VP): Likewise.
	(VP_small): Likewise.
	(VP_small_lc): Likewise.
	(VU_char): Likewise.
	(add<mode>3): Likewise.
	(altivec_vaddcuw): Likewise.
	(altivec_vaddu<VI_char>s): Likewise.
	(altivec_vadds<VI_char>s): Likewise.
	(sub<mode>3): Likewise.
	(altivec_vsubcuw): Likewise.
	(altivec_vsubu<VI_char>s): Likewise.
	(altivec_vsubs<VI_char>s): Likewise.
	(altivec_vavgs<VI_char>): Likewise.
	(altivec_vcmpbfp): Likewise.
	(altivec_eq<mode>): Likewise.
	(altivec_gt<mode>): Likewise.
	(altivec_gtu<mode>): Likewise.
	(umax<mode>3): Likewise.
	(smax<mode>3): Likewise.
	(umin<mode>3): Likewise.
	(smin<mode>3): Likewise.
	(altivec_vpkuhum): Likewise.
	(altivec_vpkuwum): Likewise.
	(altivec_vpkshss): Likewise.
	(altivec_vpkswss): Likewise.
	(altivec_vpkuhus): Likewise.
	(altivec_vpkshus): Likewise.
	(altivec_vpkuwus): Likewise.
	(altivec_vpkswus): Likewise.
	(altivec_vpks<VI_char>ss): Likewise.
	(altivec_vpks<VI_char>us): Likewise.
	(altivec_vpku<VI_char>us): Likewise.
	(altivec_vpku<VI_char>um): Likewise.
	(altivec_vrl<VI_char>): Likewise.
	(altivec_vsl<VI_char>): Likewise.
	(altivec_vsr<VI_char>): Likewise.
	(altivec_vsra<VI_char>): Likewise.
	(altivec_vsldoi_<mode>): Likewise.
	(altivec_vupkhsb): Likewise.
	(altivec_vupkhs<VU_char>): Likewise.
	(altivec_vupkls<VU_char>): Likewise.
	(altivec_vupkhsh): Likewise.
	(altivec_vupklsb): Likewise.
	(altivec_vupklsh): Likewise.
	(altivec_vcmpequ<VI_char>_p): Likewise.
	(altivec_vcmpgts<VI_char>_p): Likewise.
	(altivec_vcmpgtu<VI_char>_p): Likewise.
	(abs<mode>2): Likewise.
	(vec_unpacks_hi_v16qi): Likewise.
	(vec_unpacks_hi_v8hi): Likewise.
	(vec_unpacks_lo_v16qi): Likewise.
	(vec_unpacks_hi_<VP_small_lc>): Likewise.
	(vec_unpacks_lo_v8hi): Likewise.
	(vec_unpacks_lo_<VP_small_lc>): Likewise.
	(vec_pack_trunc_v8h): Likewise.
	(vec_pack_trunc_v4si): Likewise.
	(vec_pack_trunc_<mode>): Likewise.

	* config/rs6000/altivec.h (vec_vaddudm): Add defines for power8
	V2DI builtins.
	(vec_vmaxsd): Likewise.
	(vec_vmaxud): Likewise.
	(vec_vminsd): Likewise.
	(vec_vminud): Likewise.
	(vec_vpksdss): Likewise.
	(vec_vpksdus): Likewise.
	(vec_vpkudum): Likewise.
	(vec_vpkudus): Likewise.
	(vec_vrld): Likewise.
	(vec_vsld): Likewise.
	(vec_vsrad): Likewise.
	(vec_vsrd): Likewise.
	(vec_vsubudm): Likewise.
	(vec_vupkhsw): Likewise.
	(vec_vupklsw): Likewise.

2013-05-29  Jan Hubicka  <jh@suse.cz>

	* cgraph.h (symtab_node_base): Add definition, alias and analyzed
	flags; reorder rest of fields in more consistent way.
	(varpool_node): Remove analyzed, finalized and alias.
	(cgraph_ndoe): Likewise.
	(symtab_alias_ultimate_target): New function.
	(cgraph_function_node): Move offline.
	(cgraph_reset_node): Declare.
	(cgraph_comdat_can_be_unshared_p): Remove.
	(varpool_remove_initializer): Declare.
	(varpool_first_defined_variable, varpool_next_defined_variable
	cgraph_first_defined_function, cgraph_next_defined_function): Update.
	(cgraph_function_with_gimple_body_p): Update.
	(varpool_all_refs_explicit_p): Update.
	(symtab_alias_target): New function.
	(cgraph_alias_aliased_node, varpool_alias_aliased_node): Rename to ...
	(cgraph_alias_target, varpool_alias_target): .. this one; simplify.
	(cgraph_function_or_thunk_node): Simplify using
	symtab_alias_ultimate_target.
	(varpool_variable_node): Likewise.
	* cgraph.c (cgraph_create_function_alias): Update.
	(cgraph_add_thunk): Update.
	(cgraph_remove_node): Update.
	(dump_cgraph_node): Do not dump removed flags.
	(cgraph_function_body_availability): Update.
	(cgraph_propagate_frequency): Update.
	(verify_cgraph_node): Check sanity of local flag.
	(cgraph_function_node): Move here from cgraph.h; revamp for
	cgraph_function_or_thunk_node.
	* lto-symtab.c (lto_varpool_replace_node): Update.
	(lto_symtab_resolve_can_prevail_p): Update.
	(lto_symtab_merge_cgraph_nodes): Update.
	* ipa-cp.c (determine_versionability, initialize_node_lattices,
	propagate_constants_accross_call, devirtualization_time_bonus,
	ipcp_propagate_stage): Update.
	* tree-emutls.c (create_emultls_var, ipa_lower_emutls): Update.
	* ipa-inline-transform.c (clone_inlined_nodes,
	preserve_function_body_p): Update.
	* ipa-reference.c (propagate): Update.
	(write_node_summary_p): Update.
	* toplev.c (wrapup_global_declaration_2): Update.
	* cgraphunit.c (cgraph_analyze_function): Rename to ...
	(analyze_function) ... this one.
	(cgraph_process_new_functions): Update.
	(cgraph_reset_node): Export.
	(cgraph_finalize_function): Update.
	(cgraph_add_new_function): Update.
	(process_function_and_variable_attributes): Update.
	(varpool_finalize_decl): Update.
	(symbol_finalized): Remove.
	(symbol_finalized_and_needed): Rename to ...
	(symbol_defined_and_needed): ... update.
	(cgraph_analyze_functions): Update.
	(handle_alias_pairs): Update.
	(mark_functions_to_output): Update.
	(assemble_thunk): Update.
	(output_in_order): Update.
	(output_weakrefs): Update.
	(finalize_compilation_unit): Update.
	* lto-cgraph.c (reachable_from_other_partition_p, lto_output_node,
	lto_output_varpool_node, compute_ltrans_boundary, input_overwrite_node,
	input_node, input_varpool_node): Update.
	* dbxout.c (dbxout_expand_expr): Update.
	* cgraphclones.c (cgraph_clone_node): Update.
	(cgraph_copy_node_for_versioning): Update.
	(cgraph_materialize_clone): Update.
	(cgraph_materialize_all_clones): Update.
	* ipa-pure-const.c (analyze_function, pure_const_write_summary,
	propagate_pure_const, propagate_nothrow): Update.
	* lto-streamer-out.c (lto_output, write_symbol): Update.
	* ipa-utils.c (ipa_reverse_postorder): Update.
	* ipa-inline.c (can_inline_edge_p): Update.
	(update_caller_keys, ipa_inline): Update.
	* dwarf2out.c (reference_to_unused,
	premark_types_used_by_global_vars_helper): Update.
	* tree-eh.c (tree_could_trap_p): Update.
	* ipa-split.c (consider_split, execute_split_functions): Update.
	* ipa.c (cgraph_non_local_node_p_1, cgraph_local_node_p,
	has_addr_references_p): Update; move ahead in file for better
	readability.
	(process_references): Simplify.
	(symtab_remove_unreachable_nodes): Update; cleanup way function/var
	bodies are removed.
	(cgraph_comdat_can_be_unshared_p): Make static.
	(cgraph_externally_visible_p): Update.
	(varpool_externally_visible_p): Update.
	(function_and_variable_visibility): Update.
	* trans-mem.c (get_cg_data, ipa_tm_mayenterirr_function,
	ipa_tm_mark_force_output_node): Update.
	* ipa-inline-analysis.c (dump_inline_summary, initialize_inline_failed,
	estimate_edge_devirt_benefit, inline_generate_summary,
	inline_write_summary): Update.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
	* ipa-prop.c (ipa_compute_jump_functions): Update.
	(ipa_print_node_params, ipa_prop_read_section,
	ipa_update_after_lto_read, read_replacements_section): Update.
	* varasm.c (mark_decl_referenced): Update.
	(assemble_alias, dump_tm_clone_pairs): Update.
	* tree-inline.c (copy_bb): Update.
	(estimate_num_insns, optimize_inline_calls, tree_function_versioning):
	Update.
	* symtab.c (dump_symtab_base): Print new flags.
	(verify_symtab_base): Verify new flags.
	(symtab_alias_ultimate_target): New function.
	* tree-ssa-structalias.c (get_constraint_for_ssa_var,
	create_variable_info_for, associate_varinfo_to_alias, ipa_pta_execute):
	Update.
	* passes.c (ipa_write_summaries, ipa_write_optimization_summaries):
	Update.
	* i386.c (ix86_get_function_versions_dispatcher,
	ix86_generate_version_dispatcher_body): Update.
	(fold_builtin_cpu): Use varpool_add_new_variable.
	* varpool.c (varpool_remove_initializer): Break out from ...
	(varpool_remove_node): ... this one.
	(dump_varpool_node, varpool_node_for_asm,
	cgraph_variable_initializer_availability, varpool_analyze_node,
	varpool_assemble_decl, varpool_remove_unreferenced_decls,
	varpool_finalize_named_section_flags, varpool_create_variable_alias):
	Update.

2013-05-29  Jan Hubicka  <jh@suse.cz>

	* passes.c (init_optimization_passes): Move OMP expansion into lowering.

2013-05-29  Easwaran Raman  <eraman@google.com>

	PR tree-optimization/57442
	* tree-ssa-reassoc.c (appears_later_in_bb): Return correct value
	when control exits the main loop.

2013-05-29  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>

	* rx/rx.h (TARGET_CPU_CPP_BUILTINS): Add macros for RX100, RX200,
	and RX600.
	* rx/rx.opt: Add macro for rx100 with string rx100 and value RX100.
	* rx/rx-opts.h (rx_cpu_types): Add new cpu type rx100.
	* rx/t-rx: Add rx100 under multi library matches option for nofpu
	option.

2013-05-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/57441
	* gimple-ssa-strength-reduction.c (analyze_candidates_and_replace):
	Don't limit size of incr_vec to number of candidates.

2013-05-29  Steve Ellcey  <sellcey@imgtec.com>

	* config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Add micromips
	and mips16 directories.
	* config/mips/t-mti-linux (MULTILIB_OPTIONS): Add micromips and mips16.
	(MULTILIB_DIRNAMES): Ditto.
	(MULTILIB_EXCEPTIONS): Add new exceptions.
	* config/mips/t-mti-elf (MULTILIB_OPTIONS): Add micromips.
	(MULTILIB_DIRNAMES): Ditto.
	(MULTILIB_EXCEPTIONS): Add new exceptions.

2012-05-29  Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64-protos.h (aarch64_symbol_type): Define
	SYMBOL_TINY_ABSOLUTE.
	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Handle
	SYMBOL_TINY_ABSOLUTE.
	(aarch64_expand_mov_immediate): Likewise.
	(aarch64_classify_symbol): Likewise.
	(aarch64_mov_operand_p): Remove ATTRIBUTE_UNUSED.
	Permit SYMBOL_TINY_ABSOLUTE.
	* config/aarch64/predicates.md (aarch64_mov_operand): Permit CONST.

2013-05-29  Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64.c (aarch64_classify_symbol): Remove comment.
	Refactor if/switch.  Replace gcc_assert with if.

2013-05-29  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	* config/i386/i386.c (initial_ix86_tune_features): Enable
	FP Reassociation for AMD bdver1 and bdver2.

2013-05-29  Martin Jambor  <mjambor@suse.cz>

	* tree-cfg.c (verify_expr): Verify that BIT_FIELD_REF, REALPART_EXPR
	and IMAGPART_EXPR do not occur within other handled_components.

2013-05-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Guard vinfo
	access on whether the use is in the BB we currently try to
	vectorize.
	(vect_bb_vectorization_profitable_p): Pass the BB we currently
	vectorize to vect_bb_slp_scalar_cost.

2013-05-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_bb_slp_scalar_cost): New function
	computing scalar cost offsetted by stmts that are kept live
	by scalar uses.
	(vect_bb_vectorization_profitable_p): Use vect_bb_slp_scalar_cost
	for computation of scalar cost.

2013-05-28  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mips-cpus.def (mips32r2): Change processor type.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* doc/extend.texi (C Extensions): Added documentation about Cilk Plus
	array notation built-in reduction functions.
	* doc/passes.texi (Passes): Added documentation about changes done
	for Cilk Plus.
	* doc/invoke.texi (C Dialect Options): Added documentation about
	the -fcilkplus flag.
	* Makefile.in (C_COMMON_OBJS): Added c-family/array-notation-common.o.
	(BUILTINS_DEF): Depend on cilkplus.def.
	* builtins.def: Include cilkplus.def.  Define DEF_CILKPLUS_BUILTIN.
	* builtin-types.def: Define BT_FN_INT_PTR_PTR_PTR.
	* cilkplus.def: New file.

2013-05-28  Joern Rennecke <joern.rennecke@embecosm.com>

	PR rtl-optimization/57439
	* postreload.c (move2add_use_add2_insn): Use gen_lowpart_common.

2013-05-28  Easwaran Raman  <eraman@google.com>

	PR tree-optimization/57337
	* tree-ssa-reassoc.c (appears_later_in_bb): New function.
	(find_insert_point): Correctly identify the insertion point
	when two statements with the same UID is compared.

2013-05-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56787
	* tree-vect-data-refs.c (vect_analyze_data_refs): Drop clobbers
	from the list of data references.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Skip
	clobbers.
	(vect_analyze_loop_operations): Likewise.
	(vect_transform_loop): Remove clobbers.

2013-05-28  Martin Jambor  <mjambor@suse.cz>

	* tree-cfg.c (verify_expr): Verify that BIT_FIELD_REFs, IMAGPART_EXPRs
	and REALPART_EXPRs have scalar type.

2013-05-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57411
	* tree-ssa-copy.c (may_propagate_copy): Cannot propagate
	virtual operands.
	* tree-ssa-dom.c (eliminate_const_or_copy): Special-case
	virtual operand propagation.

2013-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_expand_vec_perm_bmask): Use %g0 as
	destination register for bmasksi_vis.
	(vector_init_bshuffle): Likewise.
	* config/sparc/sparc.md (vec_perm_constv8qi): Likewise.

2013-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (SPARC Options): Document -mfix-ut699.
	* builtins.c (expand_builtin_mathfn) <BUILT_IN_SQRT>: Try to widen the
	mode if the instruction isn't available in the original mode.
	* config/sparc/sparc.opt (mfix-ut699): New option.
	* config/sparc/sparc.md (muldf3_extend): Disable if -mfix-ut699.
	(divdf3): Turn into expander.
	(divdf3_nofix): New insn.
	(divdf3_fix): Likewise.
	(divsf3): Disable if -mfix-ut699.
	(sqrtdf2): Turn into expander.
	(sqrtdf2_nofix): New insn.
	(sqrtdf2_fix): Likewise.
	(sqrtsf2): Disable if -mfix-ut699.

2013-05-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/57412
	* omp-low.c (expand_omp_atomic_pipeline): Use the correct latch
	block for the new loop.

2013-05-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57343
	* tree-ssa-loop-niter.c (number_of_iterations_ne_max): Do not
	use multiple_of_p if not TYPE_OVERFLOW_UNDEFINED.
	(number_of_iterations_cond): Do not build the folded tree.

2013-05-27  Richard Biener  <rguenther@suse.de>

	Revert
	PR middle-end/57381
	* fold-const.c (operand_equal_p): Compare FIELD_DECLs with
	OEP_CONSTANT_ADDRESS_OF retained.

	PR tree-optimization/57417
	* tree-ssa-sccvn.c (vn_reference_fold_indirect): Fix test
	for unchanged base.
	(set_ssa_val_to): Compare addresses using
	get_addr_base_and_unit_offset.

2013-05-27  Joern Rennecke <joern.rennecke@embecosm.com>

	PR rtl-optimization/56833
	* postreload.c (move2add_record_mode): New function.
	(move2add_record_sym_value, move2add_valid_value_p): Likewise.
	(move2add_use_add2_insn): Use move2add_record_sym_value.
	(move2add_use_add3_insn): Likewise.
	(reload_cse_move2add): Use move2add_valid_value_p and
	move2add_record_mode.  Invalidate call-clobbered and REG_INC
	affected regs by setting reg_mode to VOIDmode.
	(move2add_note_store): Don't pretend the inside of a SUBREG is
	the actual destination.  Invalidate single/leading registers by
	setting reg_mode to VOIDmode.
	Use move2add_record_sym_value, move2add_valid_value_p and
	move2add_record_mode.

2013-05-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57396
	* tree-affine.c (double_int_constant_multiple_p): Properly
	return false for val == 0 and div != 0.

2013-05-25  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h: Use #elif in preprocessor conditions.

2013-05-25  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/53916
	* config/mips/constraints.md (kl): New constraint.
	* config/mips/mips.md (divmod<mode>4, udivmod<mode>4): Delete.
	(divmod<mode>4_internal): Rename to divmod<mode>4.  Use "kl" as the
	constraint for operand 0.  Split after CSE for MIPS16.  Emit a move
	from LO for MIPS16.
	(udivmod<mode>4_internal): Likewise udivmod<mode>4.

2013-05-25  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/55777
	* config/mips/mips.c (mips_can_inline_p): New function.
	(TARGET_CAN_INLINE_P): Define.

2013-05-25  Steven Bosscher  <steven@gcc.gnu.org>

	* sched-int.h (ds_t, dw_t): Make unsigned int.
	Fix documentation that describes how all the ds_t bits are used.
	Reserve the last bit for delayed-branch scheduling.
	(BITS_PER_DEP_STATUS): Move to ds_t typedef.
	(BITS_PER_DEP_WEAK): Fix definition and documentation.
	(gen_dep_weak_1): Remove prototype.
	* sched-deps.c (get_dep_weak_1): Make static.
	* target.def (speculate_insn, needs_block_p, gen_spec_check,
	get_insn_spec_ds, get_insn_checked_ds): Adjust hook prototypes.
	* doc/tm.texi: Regenerate.
	* config/ia64/ia64.c (ia64_needs_block_p): Update prototype.

2013-05-24  Steven Bosscher  <steven@gcc.gnu.org>

	PR debug/56950
	* haifa-sched.c (sched_extend_bb): Ignore DEBUG_INSNs.

2013-05-24  Nathan Sidwell  <nathan@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* config.gcc (powerpc-*): Allow native for with-cpu.

2013-05-24  Jeff Law  <law@redhat.com>

	PR tree-optimization/57124
	* tree-vrp.c (simplify_cond_using_ranges): Only simplify a
	conversion feeding a condition if the range has an overflow
	if -fstrict-overflow.  Add warnings for when we do make the
	transformation.

2013-05-24  Dehao Chen  <dehao@google.com>

	* tree-cfg.c (locus_discrim_map): Fix the typo.
	(locus_discrim_hasher): Likewise.
	(locus_discrim_hasher::hash): Likewise.
	(locus_discrim_hasher::equal): Likewise.

2013-05-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/57294
	* cgraph.h (ipa_record_stmt_references): Declare.
	* cgraphbuild.c (ipa_record_stmt_references): New function.
	(build_cgraph_edges): Use ipa_record_stmt_references.
	(rebuild_cgraph_edges): Likewise.
	(cgraph_rebuild_references): Likewise.
	* ipa-prop.c (ipa_modify_call_arguments): Discard references
	associated with the old statement and build references from the
	newly built statements.
	* ipa-ref.c (ipa_remove_stmt_references): New function.
	* ipa-ref.h (ipa_remove_stmt_references): Declare.

2013-05-24  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (emit_spill_move): Use smaller mode for
	mem-mem moves.
	(check_and_process_move): Consider mem-reg moves for secondary
	too.
	(curr_insn_transform): Don't lose insns emitted before for
	secondary memory moves.
	(inherit_in_ebb): Mark defined reg.  Add usage only if it is not a
	reg set up in the current insn.

2013-05-24  Dehao Chen  <dehao@google.com>

	* tree-cfg.c (locus_descrim_hasher::hash): Change discriminator
	hash function.
	(locus_descrim_hasher::equal): Likewise.
	(build_gimple_cfg): New discriminator assignment algorithm.
	(make_edges): Likewise.
	(next_discriminator_for_locus): Likewise.
	(same_line_p): Likewise.
	(assign_discriminators): Likewise.
	(make_cond_expr_edges): Likewise.
	(make_gimple_switch_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(make_gimple_asm_edges): Likewise.

2013-05-24  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (aarch64_print_operand): Change the
	X format specifier to only display bottom 16 bits.
	* config/aarch64/aarch64.md (insv_imm<mode>): Allow any size of
	immediate to match for operand 2, since it will be masked.

2013-05-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57287
	* tree-ssa-uninit.c (compute_uninit_opnds_pos): Disregard
	all SSA names that occur in abnormal PHIs.

2013-05-24  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	PR tree-ssa/57385
	* tree-ssa-sccvn.c (fully_constant_vn_reference_p): Check
	that index is not negative.

2013-05-24  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/55177
	* simplify-rtx.c (simplify_unary_operation_1) <NOT>: Deal with BSWAP.
	(simplify_byte_swapping_operation): New.
	(simplify_binary_operation_1): Call it for AND, IOR and XOR.
	(simplify_relational_operation_1): Deal with BSWAP.

2013-05-23  Richard Henderson  <rth@redhat.com>

	PR target/56742
	* config/i386/i386.c (ix86_seh_fixup_eh_fallthru): New.
	(ix86_reorg): Call it.

2013-05-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/57379
	* config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE.
	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct
	REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec.

2013-05-23  Christian Bruel  <christian.bruel@st.com>

	PR debug/57351
	* config/arm/arm.c (arm_dwarf_register_span): Do not use dbx number.

2013-05-23  Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64.md (*movdi_aarch64): Replace Usa with S.
	* config/aarch64/constraints.md (Usa): Remove.
	* doc/md.texi (AArch64 Usa): Remove.

2013-05-23  Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
	    Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/aarch64/aarch64-protos.h (aarch64_mov_operand_p): Define.
	* config/aarch64/aarch64.c (aarch64_mov_operand_p): Define.
	* config/aarch64/predicates.md (aarch64_const_address): Remove.
	(aarch64_mov_operand): Use aarch64_mov_operand_p.

2013-05-23  Vidya Praveen <vidyapraveen@arm.com>

	* config/aarch64/aarch64-simd.md (clzv4si2): Support for CLZ
	instruction (AdvSIMD).
	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Handler for BUILT_IN_CLZ.
	* config/aarch64/aarch-simd-builtins.def: Entry for CLZ.

2013-05-23  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/57347
	* tree.h (contains_bitfld_component_ref_p): Declare.
	* tree-sra.c (contains_bitfld_comp_ref_p): Move...
	* tree.c (contains_bitfld_component_ref_p): ...here.  Adjust its
	caller.
	* ipa-prop.c (determine_known_aggregate_parts): Check that LHS does
	not access a bit-field.  Assert all final offsets are byte-aligned.

2013-05-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57380
	* tree-ssa-phiprop.c (propagate_with_phi): Do not require at
	least one invariant or re-used load.
	* passes.c (init_optimization_passes): Move pass_phiprop before
	pass_forwprop.

2013-05-23  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_cm<optab>di): Add clobber of CC_REGNUM to unsplit pattern.

2013-05-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/57381
	* fold-const.c (operand_equal_p): Compare FIELD_DECLs with
	OEP_CONSTANT_ADDRESS_OF retained.

2013-05-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/57344
	* expmed.c (store_split_bit_field): If op0 is a REG or SUBREG of a REG,
	don't lower unit.  Handle unit not being always BITS_PER_WORD.

2013-05-23  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/57341
	* ira.c (validate_equiv_mem_from_store): Use anti_dependence
	instead of true_dependence.

2013-05-22  David Malcolm  <dmalcolm@redhat.com>

	* bb-reorder.c (branch_threshold): Make const.
	(exec_threshold): Ditto.

2013-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Add
	documentation for the power8 crypto builtins.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Add crypto.md.

	* config/rs6000/rs6000-builtin.def (BU_P8V_AV_1): Add support
	macros for defining power8 builtin functions.
	(BU_P8V_AV_2): Likewise.
	(BU_P8V_AV_P): Likewise.
	(BU_P8V_VSX_1): Likewise.
	(BU_P8V_OVERLOAD_1): Likewise.
	(BU_P8V_OVERLOAD_2): Likewise.
	(BU_CRYPTO_1): Likewise.
	(BU_CRYPTO_2): Likewise.
	(BU_CRYPTO_3): Likewise.
	(BU_CRYPTO_OVERLOAD_1): Likewise.
	(BU_CRYPTO_OVERLOAD_2): Likewise.
	(XSCVSPDP): Fix typo, point to the correct instruction.
	(VCIPHER): Add power8 crypto builtins.
	(VCIPHERLAST): Likewise.
	(VNCIPHER): Likewise.
	(VNCIPHERLAST): Likewise.
	(VPMSUMB): Likewise.
	(VPMSUMH): Likewise.
	(VPMSUMW): Likewise.
	(VPERMXOR_V2DI): Likewise.
	(VPERMXOR_V4SI: Likewise.
	(VPERMXOR_V8HI: Likewise.
	(VPERMXOR_V16QI: Likewise.
	(VSHASIGMAW): Likewise.
	(VSHASIGMAD): Likewise.
	(VPMSUM): Likewise.
	(VPERMXOR): Likewise.
	(VSHASIGMA): Likewise.

	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
	__CRYPTO__ if the crypto instructions are available.
	(altivec_overloaded_builtins): Add support for overloaded power8
	builtins.

	* config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
	support for power8 crypto builtins.
	(builtin_function_type): Likewise.
	(altivec_init_builtins): Add support for builtins that take vector
	long long (V2DI) arguments.

	* config/rs6000/crypto.md: New file, define power8 crypto
	instructions.

2013-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* doc/invoke.texi (Option Summary): Add power8 options.
	(RS/6000 and PowerPC Options): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Update to use
	constraints.md instead of rs6000.h.  Reorder w* constraints.  Add
	wm, wn, wr documentation.

	* gcc/config/rs6000/constraints.md (wm): New constraint for VSX
	registers if direct move instructions are enabled.
	(wn): New constraint for no registers.
	(wq): New constraint for quad word even GPR registers.
	(wr): New constraint if 64-bit instructions are enabled.
	(wv): New constraint if power8 vector instructions are enabled.
	(wQ): New constraint for quad word memory locations.

	* gcc/config/rs6000/predicates.md (const_0_to_15_operand): New
	constraint for 0..15 for crypto instructions.
	(gpc_reg_operand): If VSX allow registers in VSX registers as well
	as GPR and floating point registers.
	(int_reg_operand): New predicate to match only GPR registers.
	(base_reg_operand): New predicate to match base registers.
	(quad_int_reg_operand): New predicate to match even GPR registers
	for quad memory operations.
	(vsx_reg_or_cint_operand): New predicate to allow vector logical
	operations in both GPR and VSX registers.
	(quad_memory_operand): New predicate for quad memory operations.
	(reg_or_indexed_operand): New predicate for direct move support.

	* gcc/config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED):
	Inherit from ISA_2_4_MASKS, not ISA_2_2_MASKS.
	(ISA_2_7_MASKS_SERVER): New mask for ISA 2.07 (i.e. power8).
	(POWERPC_MASKS): Add power8 options.
	(power8 cpu): Use ISA_2_7_MASKS_SERVER instead of specifying the
	various options.

	* gcc/config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
	Define _ARCH_PWR8 and __POWER8_VECTOR__ for power8.

	* gcc/config/rs6000/rs6000.opt (-mvsx-timode): Add documentation.
	(-mpower8-fusion): New power8 options.
	(-mpower8-fusion-sign): Likewise.
	(-mpower8-vector): Likewise.
	(-mcrypto): Likewise.
	(-mdirect-move): Likewise.
	(-mquad-memory): Likewise.

	* gcc/config/rs6000/rs6000.c (power8_cost): Initial definition for
	power8.
	(rs6000_hard_regno_mode_ok): Make PTImode only match even GPR
	registers.
	(rs6000_debug_reg_print): Print the base register class if -mdebug=reg.
	(rs6000_debug_vector_unit): Add p8_vector.
	(rs6000_debug_reg_global): If -mdebug=reg, print power8 constraint
	definitions.  Also print fusion state.
	(rs6000_init_hard_regno_mode_ok): Set up power8 constraints.
	(rs6000_builtin_mask_calculate): Add power8 builtin support.
	(rs6000_option_override_internal): Add support for power8.
	(rs6000_common_init_builtins): Add debugging for skipped builtins
	if -mdebug=builtin.
	(rs6000_adjust_cost): Add power8 support.
	(rs6000_issue_rate): Likewise.
	(insn_must_be_first_in_group): Likewise.
	(insn_must_be_last_in_group): Likewise.
	(force_new_group): Likewise.
	(rs6000_register_move_cost): Likewise.
	(rs6000_opt_masks): Likewise.

	* config/rs6000/rs6000.h (ASM_CPU_POWER8_SPEC): If we don't have a
	power8 capable assembler, default to power7 options.
	(TARGET_DIRECT_MOVE): Likewise.
	(TARGET_CRYPTO): Likewise.
	(TARGET_P8_VECTOR): Likewise.
	(VECTOR_UNIT_P8_VECTOR_P): Define power8 vector support.
	(VECTOR_UNIT_VSX_OR_P8_VECTOR_P): Likewise.
	(VECTOR_MEM_P8_VECTOR_P): Likewise.
	(VECTOR_MEM_VSX_OR_P8_VECTOR_P): Likewise.
	(VECTOR_MEM_ALTIVEC_OR_VSX_P): Likewise.
	(TARGET_XSCVDPSPN): Likewise.
	(TARGET_XSCVSPDPN): Likewsie.
	(TARGET_SYNC_HI_QI): Likewise.
	(TARGET_SYNC_TI): Likewise.
	(MASK_CRYPTO): Likewise.
	(MASK_DIRECT_MOVE): Likewise.
	(MASK_P8_FUSION): Likewise.
	(MASK_P8_VECTOR): Likewise.
	(REG_ALLOC_ORDER): Move fr13 to be lower in priority so that the TFmode
	temporary used by some of the direct move instructions to get two FP
	temporary registers does not force creation of a stack frame.
	(VLOGICAL_REGNO_P): Allow vector logical operations in GPRs.
	(MODES_TIEABLE_P): Move the VSX tests above the Altivec tests so
	that any VSX registers are tieable, even if they are also an
	Altivec vector mode.
	(r6000_reg_class_enum): Add wm, wr, wv constraints.
	(RS6000_BTM_P8_VECTOR): Power8 builtin support.
	(RS6000_BTM_CRYPTO): Likewise.
	(RS6000_BTM_COMMON): Likewise.

	* config/rs6000/rs6000.md (cpu attribute): Add power8.
	* config/rs6000/rs6000-opts.h (PROCESSOR_POWER8): Likewise.
	(enum rs6000_vector): Add power8 vector support.

2013-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	PR target/57340
	* config/arm/arm.c (any_sibcall_uses_r3): Rename to ..
	(any_sibcall_could_use_r3): this and handle indirect calls.
	(arm_get_frame_offsets): Rename use of any_sibcall_uses_r3.

2013-05-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.h (MALLOC_ABI_ALIGNMENT): New #define.

2013-05-22  Richard Biener  <rguenther@suse.de>

	PR middle-end/57349
	* profile.c (branch_prob): Do not split blocks that are
	abnormally receiving from ECF_RETURNS_TWICE functions.

2013-05-22  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

	* recog.c (offsettable_address_addr_space_p): Fix calculation of
	address mode.  Move pointer mode initialization to the same place.

2013-05-22  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>

	* read-rtl.c (copy_rtx_for_iterators): Continue applying iterators
	while it has any effect.

2013-05-21  Easwaran Raman  <eraman@google.com>

	PR tree-optimization/57322
	* tree-ssa-reassoc.c (build_and_add_sum): If a BB is empty, set the
	UID of the statement added to the BB to be 1.

2013-05-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57331
	* tree-vrp.c (simplify_cond_using_ranges): Don't optimize comparison
	of conversion from pointer type to integral type with integer.

2013-05-21  Martin Jambor  <mjambor@suse.cz>

	PR lto/57289
	* ipa-prop.c (ipa_read_node_info): Process param_used and
	controlled_uses in the same order as when writing.

2013-05-21  Magnus Granberg  <baldrick@free.fr>

	PR plugins/56754
	* Makefile.in (PLUGIN_HEADERS): Add $(TARGET_H).

2013-05-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57318
	* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Do not
	estimate stmts with side-effects as likely eliminated.

2013-05-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57330
	* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Properly
	preserve the call stmts fntype.

2013-05-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57303
	* tree-ssa-sink.c (statement_sink_location): Improve killing
	stmt detection and properly handle self-assignments.

2013-05-21  Christian Bruel  <christian.bruel@st.com>

	* dwarf2out.c (multiple_reg_loc_descriptor): Use dbx_reg_number for
	spanning registers. LEAF_REG_REMAP is supported only for contiguous
	registers. Set register size out of the PARALLEL loop.

2013-05-20  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/56547
	* config/sh/sh.md (fmasf4): Remove empty constraints strings.
	(*fmasf4, *fmasf4_media): New insns.

2013-05-19  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h (BASE_INSN_LENGTH, NOP_INSN_LENGTH): New macros.
	* config/mips/mips.c (mips_symbol_insns, mips_address_insns)
	(mips_const_insns, mips_split_const_insns, mips_load_store_insns)
	(mips_idiv_insns): Update the comments to say that the returned
	instruction counts are in units of BASE_INSN_LENGTH.
	(mips_adjust_insn_length): Multiply the mips_load_label_num_insns
	by BASE_INSN_LENGTH rather than 4.  Add the jump separately,
	using 2 rather than 4 as the length of indirect MIPS16 and
	microMIPS jumps.  Use NOP_INSN_LENGTH rather than 4 as the
	length of a NOP.  Don't divide MIPS16 lengths by 2.
	(mips16_split_long_branches): Assume a branch is long if the
	length is greater than 4 rather than 8.
	* config/mips/mips.md (length): Give MIPS16 lengths directly,
	rather than multiplying them by 2.  Multiply instruction counts
	by BASE_INSN_LENGTH rather than 4.
	(*jump_mips16, tls_get_tp_mips16_<mode>)
	(*tls_get_tp_mips16_call_<mode>): Divide lengths by 2.

2013-05-19  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (extended_mips16): Remove branch case.
	(length): Remove duplicated extended_mips16 test.

2013-05-19  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/t-sde: Don't build 64-bit microMIPS multilibs.

2013-05-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* recog.h (Recog_data): Rename to...
	(recog_data_d): ...this.
	(recog_data): Update accordingly.
	* recog.c (recog_data): Likewise.
	* reload.c (save_recog_data): Likewise.
	* config/picochip/picochip.c (picochip_saved_recog_data): Likewise.
	(picochip_save_recog_data, picochip_restore_recog_data): Likewise.

2013-05-17  Julian Brown  <julian@codesourcery.com>

	* gcse.c (compute_ld_motion_mems): If a non-simple MEM is
	found in a REG_EQUAL note, invalidate it.

2013-05-17   Easwaran Raman  <eraman@google.com>

	* tree-ssa-reassoc.c (find_insert_point): New function.
	(insert_stmt_after): Likewise.
	(get_def_stmt): Likewise.
	(ensure_ops_are_available): Likewise.
	(not_dominated_by): Likewise.
	(rewrite_expr_tree): Do not move statements beyond what is
	necessary. Remove call to swap_ops_for_binary_stmt...
	(reassociate_bb): ... and move it here.
	(build_and_add_sum): Assign UIDs for new statements.
	(linearize_expr): Likewise.
	(do_reassoc): Renumber gimple statement UIDs.

2013-05-17  Jan Hubicka  <jh@suse.cz>

	* lto-symtab.c (lto_symtab_merge_cgraph_nodes): Resolve cross module
	weakrefs.
	* cgraph.c (dump_cgraph_node): Do not ice on unresolved alias.
	* cgraphunit.c (handle_alias_pairs): Store target of unresolved
	weakrefs.
	(output_weakrefs): Update.

2013-05-17  Po-Chun Chang  <pchang9@cs.wisc.edu>
	    Martin Jambor  <mjambor@suse.cz>

	PR middle-end/57276
	* ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Break when a
	value that corresponds to the given aggval is found in values vector.

2013-05-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Pass mmx, 3dnow,
	sse, sse2, sse3, ssse3 and sse4a flags to options.

2013-05-17  David Malcolm  <dmalcolm@redhat.com>

	* gengtype-state.c: (s_expr_writer): New class, to handle
	prettifying of output layout of s-expressions.
	(state_writer): New class, to write out gtype.state.
	(state_written_type_count): Move this variable into member data of
	state_writer.
	(s_expr_writer::s_expr_writer): New code: constructor for new class
	(state_writer::state_writer(): ditto
	(s_expr_writer::write_new_line): New function
	(s_expr_writer::write_any_indent): ditto
	(s_expr_writer::begin_s_expr): ditto
	(s_expr_writer::end_s_expr): ditto
	(write_state_fileloc): convert to method of state_writer...
	(state_writer:: write_state_fileloc): ...and use methods of
	s_expr_writer to write indentation into the gtype.state output file
	to visually represent the hierarchical structure of the list
	structures
	(write_state_fields): ditto, renaming to...
	(state_writer::write_state_fields)
	(write_state_a_string): ditto, renaming to...
	(state_writer::write_state_a_string)
	(write_state_string_option): ditto, renaming to...
	(state_writer::write_state_string_option)
	(write_state_type_option): ditto, renaming to...
	(state_writer::write_state_type_option)
	(write_state_nested_option): ditto, renaming to...
	(state_writer::write_state_nested_option)
	(write_state_option): ditto, renaming to...
	(state_writer::write_state_option)
	(write_state_options): ditto, renaming to...
	(state_writer::write_state_options)
	(write_state_lang_bitmap): ditto, renaming to...
	(state_writer::write_state_lang_bitmap)
	(write_state_version): ditto, renaming to...
	(state_writer::write_state_version)
	(write_state_scalar_type): ditto, renaming to...
	(state_writer::write_state_scalar_type)
	(write_state_string_type): ditto, renaming to...
	(state_writer::write_state_string_type)
	(write_state_undefined_type): ditto, renaming to...
	(state_writer::write_state_undefined_type)
	(write_state_struct_union_type): ditto, renaming to...
	(state_writer::write_state_struct_union_type)
	(write_state_struct_type): ditto, renaming to...
	(state_writer::write_state_struct_type)
	(write_state_user_struct_type): ditto, renaming to...
	(state_writer::write_state_user_struct_type)
	(write_state_lang_struct_type): ditto, renaming to...
	(state_writer::write_state_lang_struct_type)
	(write_state_param_struct_type): ditto, renaming to...
	(state_writer::write_state_param_struct_type)
	(write_state_pointer_type): ditto, renaming to...
	(state_writer::write_state_pointer_type)
	(write_state_array_type): ditto, renaming to...
	(state_writer::write_state_array_type)
	(write_state_gc_used): ditto, renaming to...
	(state_writer::write_state_gc_used)
	(write_state_common_type_content): ditto, renaming to...
	(state_writer::write_state_common_type_content)
	(write_state_type): ditto, renaming to...
	(state_writer::write_state_type)
	(write_state_pair_list): ditto, renaming to...
	(state_writer::write_state_pair_list)
	(write_state_pair): ditto, renaming to...
	(state_writer::write_state_pair)
	(write_state_typedefs): ditto, renaming to...
	(state_writer::write_state_typedefs)
	(write_state_structures): ditto, renaming to...
	(state_writer::write_state_structures)
	(write_state_param_structs): ditto, renaming to...
	(state_writer::write_state_param_structs)
	(write_state_variables): ditto, renaming to...
	(state_writer::write_state_variables)
	(write_state_srcdir): ditto, renaming to...
	(state_writer::write_state_srcdir)
	(write_state_files_list): ditto, renaming to...
	(state_writer::write_state_files_list)
	(write_state_languages): ditto, renaming to...
	(state_writer::write_state_languages)
	(write_state): create a state_writer instance and use it when
	writing out the state file

2013-05-17  Mike Stump  <mikestump@comcast.net>

	PR rtl-optimization/57304
	* web.c (union_match_dups): Ensure that DF_REF_LOC exists before
	accessing DF_REF_REAL_LOC.

2013-05-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/57281
	PR rtl-optimization/57300
	* config/i386/i386.md (extendsidi2_1 dead reg splitter): Remove.
	(extendsidi2_1 peephole2s): Add instead 2 new peephole2s, that undo
	what the other splitter did if the registers are dead.

2013-05-17  Richard Biener  <rguenther@suse.de>

	* tree-ssa-alias.c (stmt_kills_ref_p_1): Properly compare
	MEM_REF offsets.

2013-05-17  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (SANITIZER_SPEC): Reject -fsanitize=address -fsanitize=thread
	linking.

2013-05-17  Marek Polacek  <polacek@redhat.com>

	* tree-ssa-strlen.c (handle_char_store): Don't invalidate cached
	length when doing non-zero store of storing '\0' to '\0'.

2013-05-17  Jakub Jelinek  <jakub@redhat.com>

	* tree-vect-patterns.c (vect_recog_rotate_pattern): For
	vect_external_def oprnd1 with loop_vinfo, try to emit
	optional cast, negation and and stmts on the loop preheader
	edge instead of into the pattern def seq.

	PR tree-optimization/57051
	* fold-const.c (const_binop) <case VEC_LSHIFT_EXPR,
	case VEC_RSHIFT_EXPR>: Fix BYTES_BIG_ENDIAN handling.

2013-05-16  Nick Clifton  <nickc@redhat.com>

	* config/rl78/rl78.c (rl78_attribute_table): Add naked.
	(rl78_is_naked_func): New function.
	(rl78_expand_prologue): Skip prologue generation for naked functions.
	(rl78_expand_epilogue): Skip epilogue generation for naked functions.
	* doc/extend.texi (naked): Add RL78 to the list of processors
	that supports this attribute.

2013-05-16  Jeff Law  <law@redhat.com>

	* Makefile.in (tree-switch-conversion.o): Depend on $(OPTABS_H).

2013-05-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Determine
	cache parameters using detect_caches_amd also for CYRIX,
	NSC and TM2 signatures.

2013-05-16  Uros Bizjak  <ubizjak@gmail.com>
	    Dzianis Kahanovich  <mahatma@eu.by>

	PR target/45359
	PR target/46396
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect
	VIA/Centaur processors and determine their cache parameters
	using detect_caches_amd.

2013-05-16  Teresa Johnson  <tejohnson@google.com>

	* cfgrtl.c (verify_hot_cold_block_grouping): Return err.
	(rtl_verify_edges): New function.
	(rtl_verify_bb_insns): Ditto.
	(rtl_verify_bb_pointers): Ditto.
	(rtl_verify_bb_insn_chain): Ditto.
	(rtl_verify_fallthru): Ditto.
	(rtl_verify_bb_layout): Ditto.
	(rtl_verify_flow_info_1): Outline checks into new functions.
	(rtl_verify_flow_info): Ditto.

2013-05-16  Steve Ellcey  <sellcey@imgtec.com>

	* cfghooks.c (copy_bbs): Add update_dominance argument.
	* cfghooks.h (copy_bbs): Update prototype.
	* tree-cfg.c (gimple_duplicate_sese_region):
	Add update_dominance argument.
	* tree-flow.h (gimple_duplicate_sese_region): Update prototype.
	* tree-ssa-loop-ch.c (copy_loop_headers): Update
	gimple_duplicate_sese_region call.
	* tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg):
	Update copy_bbs call.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Ditto.
	* trans-mem.c (ipa_uninstrument_transaction): Ditto.

2013-05-16  Jakub Jelinek  <jakub@redhat.com>

	* tree-vectorizer.h (NUM_PATTERNS): Increment.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	vect_recog_rotate_pattern.
	(vect_recog_rotate_pattern): New function.

2013-05-16  Jason Merrill  <jason@redhat.com>

	* Makefile.in (LLINKER): New variable.
	(mostlyclean): Remove link mutex.
	* configure.ac: Handle --enable-link-mutex.
	* lock-and-run.sh: New script.

2013-05-16  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	* config/arm/arm.c (arm_function_ok_for_sibcall): Add check
	for NULL decl.

2013-05-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* reorg.c (link_cc0_insns): Wrap in #ifdef HAVE_cc0.

2013-05-16  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm-protos.h (gen_movmem_ldrd_strd): New declaration.
	* config/arm/arm.c (next_consecutive_mem): New function.
	(gen_movmem_ldrd_strd): Likewise.
	* config/arm/arm.md (movmemqi): Update condition and code.
	(unaligned_loaddi, unaligned_storedi): New patterns.

2013-05-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc: Obsolete *-*-solaris2.9*.
	* doc/install.texi (Specific, *-*-solaris2*): Document it.

2013-05-16  Richard Biener  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Move pass_parallelize_loops
	earlier, after GRAPHITE transforms and IV canonicalization.

2013-05-16  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (extract_omp_for_data): For collapsed loops,
	if at least one of the loops is known at compile time to
	iterate zero times, set count to 0.
	(expand_omp_regimplify_p): New function.
	(expand_omp_for_generic): For collapsed loops, if at least
	one of the loops isn't known to iterate at least once,
	add runtime check with setting count to 0.
	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
	For unsigned types if it isn't known at compile time that
	the loop will iterate at least once, add runtime check to bypass
	the whole loop if initial condition isn't true.

2013-05-16  Nathan Sidwell  <nathan@codesourcery.com>

	* varasm.c (default_use_anchors_for_symbol_p): Use decl_replaceable_p.

2013-05-16  Marc Glisse  <marc.glisse@inria.fr>

	PR middle-end/57286
	* fold-const.c (fold_ternary_loc) <VEC_COND_EXPR>: Disable some
	transformations to avoid an infinite loop.

2013-05-16  Marek Polacek  <polacek@redhat.com>

	* tree-scalar-evolution.c (scev_const_prop): Add more dumps.

2013-05-15  Leif Ekblad  <leif@rdos.net>

	* config/i386/i386.c (ix86_decompose_address): Use
	DEFAULT_TLS_SEG_REG to access TLS segment register.
	* config/i386/i386.h (DEFAULT_TLS_SEG_REG): New define.
	* config/i386/rdos.h (DEFAULT_TLS_SEG_REG): Ditto.
	(TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Ditto.

2013-05-15  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/57260
	* config/mips/mips.c (mips_function_ok_for_sibcall): Don't allow
	sibling calls to functions that would normally be lazily bound,
	unless $gp is call-clobbered.

2013-05-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_option_override_internal): Update
	processor_alias_table for missing PTA_PRFCHW and PTA_FXSR flags.  Add
	PTA_POPCNT to corei7 entry. Do not enable SSE prefetch on
	non-SSE 3dNow! targets.  Enable TARGET_PRFCHW for TARGET_3DNOW targets.
	* config/i386/i386.md (prefetch): Enable for TARGET_PRFCHW instead
	of TARGET_3DNOW.
	(*prefetch_3dnow): Enable for TARGET_PRFCHW only.

2013-05-15  Andreas Schwab  <schwab@suse.de>

	* config/m68k/m68k.md (*rotlhi3_lowpart, *rotlqi3_lowpart): Name
	for rotlhi3+1 and rotlqi3+1, resp.  Fix reference to non-existing
	third operand.

2013-05-15  Teresa Johnson  <tejohnson@google.com>

	* loop-unroll.c (report_unroll_peel): Check decision before
	emitting unroll/peel message.

2013-05-15  Teresa Johnson  <tejohnson@google.com>

	* function.h (has_bb_partition): New rtl_data flag.
	(bb_reorder_complete): Ditto.
	* cfgcleanup.c (try_crossjump_to_edge): Check for has_bb_partition
	instead of flag_reorder_blocks_and_partition.
	* cfgrtl.c (verify_hot_cold_block_grouping): Moved from bb-reorder.c,
	with some enhancements.
	(rtl_verify_flow_info_1): Call verify_hot_cold_block_grouping.
	* bb-reorder.c (connect_traces): Check for has_bb_partition
	instead of flag_reorder_blocks_and_partition.
	(verify_hot_cold_block_grouping): Moved to cfgrtl.c.
	(reorder_basic_blocks): Set bb_reorder_complete flag, remove call to
	verify_hot_cold_block_grouping.
	(partition_hot_cold_basic_blocks): Set has_bb_partition.

2013-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	* config/arm/predicates.md (call_insn_operand): New predicate.
	* config/arm/constraints.md ("Cs", "Ss"):  New constraints.
	* config/arm/arm.md (*call_insn, *call_value_insn): Match only
	if insn is not a tail call.
	(*sibcall_insn, *sibcall_value_insn): Adjust for tailcalling through
	registers.
	* config/arm/arm.h (enum reg_class): New caller save register class.
	(REG_CLASS_NAMES): Likewise.
	(REG_CLASS_CONTENTS): Likewise.
	* config/arm/arm.c (arm_function_ok_for_sibcall): Allow tailcalling
	without decls.

2013-05-15  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_transform_loop): Use MSG_NOTE instead
	of MSG_OPTIMIZED_LOCATIONS.
	* tree-vect-slp.c (vect_make_slp_decision): Likewise.
	(vect_slp_transform_bb): Indicate location in MSG_OPTIMIZED_LOCATIONS
	message.
	* tree-vectorizer.c (vectorize_loops): Use MSG_NOTE instead
	of MSG_OPTIMIZED_LOCATIONS.
	(execute_vect_slp): Likewise.
	* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Likewise.
	(vect_create_cond_for_alias_checks): Likewise.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
	(vect_recog_widen_mult_pattern): Likewise.
	(vect_recog_widen_sum_pattern): Likewise.
	(vect_recog_over_widening_pattern): Likewise.
	(vect_recog_widen_shift_pattern): Likewise.
	(vect_recog_vector_vector_shift_pattern): Likewise.
	(vect_recog_divmod_pattern): Likewise.
	(vect_recog_mixed_size_cond_pattern): Likewise.
	(vect_recog_bool_pattern): Likewise.
	(vect_pattern_recog_1): Likewise.

2013-05-15  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_make_edge_direct_to_target): Redirect calls to
	non-functions to builtin_unreachable.
	* ipa-inline-transform.c (inline_call): Do not assert estimates were
	correct when new direct edges were discovered.

2013-05-15  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_print_node_jump_functions): Print symbol order in
	header, print symbol order instead of node uid, print more information
	about indirect edge targets.
	(ipa_make_edge_direct_to_target): Print symbol order instead of node
	uids.
	(ipa_make_edge_direct_to_target): Likewise.
	(remove_described_reference): Likewise.
	(propagate_controlled_uses): Likewise.
	(ipa_print_node_params): Also print symbol order.
	(ipcp_transform_function): Print symbol order instead of node uids.
	* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
	(cgraph_get_create_real_symbol_node): Likewise.
	* ipa-cp.c (print_lattice): Likewise.
	(print_all_lattices): Likewise.
	(determine_versionability): Likewise.
	(initialize_node_lattices): Likewise.
	(estimate_local_effects): Likewise.
	(update_profiling_info): Likewise.
	(create_specialized_node): Likewise.
	(perhaps_add_new_callers): Likewise.
	(decide_about_value): Likewise.
	(decide_whether_version_node): Likewise.
	(identify_dead_nodes): Likewise.
	* ipa-inline-analysis.c (dump_inline_edge_summary): Likewise.
	(dump_inline_summary): Likewise.
	(estimate_node_size_and_time): Likewise.
	(inline_analyze_function): Likewise.
	* ipa-inline.c (report_inline_failed_reason): Likewise.
	(want_early_inline_function_p): Likewise.
	(edge_badness): Likewise.
	(update_edge_key): Likewise.
	(inline_small_functions): Likewise.  Add dumping of order to two other
	dumps.
	* ipa-pure-const.c (pure_const_read_summary): Print symbol order
	instead of node uids.
	(propagate_pure_const): Likewise.
	(propagate_pure_const): Likewise.
	* ipa-utils.c (dump_cgraph_node_set): Likewise.
	* lto-cgraph.c (input_node): Explicitly specify we dump uid.
	* lto-symtab.c (lto_cgraph_replace_node): Print symbol order instead
	of node uids.
	* tree-pretty-print.c (dump_function_header): Likewise.
	* tree-sra.c (convert_callers_for_node): Dump in traditional format.
	Print symbol order instead of node uids.

2013-05-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_register_move_cost): Don't impose the
	FPR<->GPR move cost penalty if ldgr/lgdr can be used.

2013-05-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57275
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Fix
	return value for fail to do runtime alias checks for gather loads.

2013-05-15  Jan Hubicka  <jh@suse.cz>

	PR lto/57038
	PR lto/47375
	* lto-symtab.c (lto_symtab_symbol_p): Add external symbol;
	weakrefs are not external.
	(lto_symtab_merge_decls): Fix thinko when dealing with
	non-lto_symtab decls.
	(lto_symtab_merge_cgraph_nodes): Use lto_symtab_symbol_p.
	(lto_symtab_prevailing_decl): Get int sync with lto_symtab_symbol_p.
	* varpool.c (dump_varpool_node): Dump more flags.

2013-05-15  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	* config/i386/i386.c (processor_alias_table): Add instruction
	FSGSBASE for AMD bdver3 architecture.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

	* tree.c (warn_deprecated_use): Print file:line using locus color.
	* diagnostic.c (diagnostic_report_current_module): Print file:line
	and file:line:column using locus color.

2013-05-14  Mike Stump  <mikestump@comcast.net>

	* gdbinit.in: Add __null.

2013-05-14  Mike Stump  <mikestump@comcast.net>

	* recog.h: Rename struct recog_data to Recog_data.
	* recog.c: Likewise.
	* reload.c (can_reload_into): Likewise.
	* config/picochip/picochip.c: Likewise.

2013-05-14  Mike Stump  <mikestump@comcast.net>

	* web.c (union_match_dups): Also check DF_REF_REAL_LOC.

2013-05-14  Steven Bosscher  <steven@gcc.gnu.org>

	* resource.h (struct resources): Remove unch_memory member.
	(CLEAR_RESOURCE): Don't clear unch_memory.
	* resource.c (mark_referenced_resources): Don't set it.
	(mark_set_resources): Likewise.
	(mark_target_live_regs): Don't clear it.
	(init_resource_info): Likewise.
	* reorg.c (resource_conflicts_p): Don't compare it.
	(redundant_insn): Don't set it.

	* rtl.h (next_label, skip_consecutive_labels, link_cc0_insns):
	Remove prototypes.
	* emit-rtl.c (next_label): Remove unused function.
	(skip_consecutive_labels, link_cc0_insns): Move to ...
	* reorg.c (skip_consecutive_labels, link_cc0_insns): ... here, the
	only place where these functions are used, and make them static.

2013-05-14  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (fold_negate_expr): Handle vectors.
	(fold_truth_not_expr): Make it static.
	(fold_invert_truthvalue): New static function.
	(invert_truthvalue_loc): Handle vectors. Do not call
	fold_truth_not_expr directly.
	(fold_unary_loc) <BIT_NOT_EXPR>: Handle comparisons.
	<TRUTH_NOT_EXPR>: Do not cast to boolean.
	(fold_comparison): Handle vector constants.
	(fold_binary_loc) <TRUTH_XOR_EXPR>: Remove redundant code.
	(fold_ternary_loc) <VEC_COND_EXPR>: Adapt more COND_EXPR optimizations.
	* tree.h (fold_truth_not_expr): Remove declaration.

2013-05-14  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_vcond_internal<mode>): Rename to...
	(aarch64_vcond_internal<mode><mode>): ...This, for integer modes.
	(aarch64_vcond_internal<VDQF_COND:mode><VDQF:mode>): ...This for
	float modes. Clarify all iterator modes.
	(vcond<mode><mode>): Use new name for vcond expanders.
	(vcond<v_cmp_result><mode>): Likewise.
	(vcondu<mode><mode>: Likewise.
	* config/aarch64/iterators.md (VDQF_COND): New.

2013-05-14  Marc Glisse  <marc.glisse@inria.fr>

	PR bootstrap/57266
	* fold-const.c (fold_binary_loc) <shift>: Use an unsigned
	variable for the shift amount. Check that we shift by non-negative
	amounts.

2013-05-14  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/42017
	* config/arm/arm.h (EPILOGUE_USES): Only return true
	for LR_REGNUM after epilogue_completed.

2013-05-14  Joern Rennecke <joern.rennecke@embecosm.com>

	* config/avr/avr.c (avr_encode_section_info): Bail out if the type
	is error_mark_node.

2013-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/57261
	* configure.ac (gcc_cv_ld_as_needed): Disable before Solaris 11
	and Solaris 11+/x86 with gld.
	* configure: Regenerate.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

	* expmed.c (expand_shift_1): Canonicalize rotates by
	constant bitsize / 2 to bitsize - 1.
	* simplify-rtx.c (simplify_binary_operation_1) <case ROTATE,
	case ROTATERT>: Likewise.

	Revert:
	2013-05-10  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (rotateinv): New code attr.
	(*<rotate_insn><mode>3_1, *<rotate_insn>si3_1_zext,
	*<rotate_insn>qi3_1_slp): Emit rorl %eax instead of
	roll $31, %eax, etc.

2013-05-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/57235
	* tree-eh.c (sink_clobbers): Give up for successors with
	multiple predecessors and no virtual uses.

2013-05-14  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sp64-elf.h (CPP_SUBTARGET_SPEC): Delete.
	* config/sparc/openbsd64.h (CPP_SUBTARGET_SPEC): Likewise.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/57251
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Handle
	the case when both op0 and op1 have VOIDmode.

2013-05-14  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

	* config/rl78/rl78.md(mulsi3_g13): Add additional 'nop' required
	in multiply-accumulate mode.

2013-05-13  Guozhi Wei  <carrot@google.com>

	* dwarf2asm.c (dw2_output_indirect_constant_1): Mark new decl STATIC.

2013-05-13  Kai Tietz  <ktietz@redhat.com>

	PR target/56975
	* config/i386/cygming.h (TARGET_PECOFF): Define as true.
	* config/i386/i386.h (TARGET_PECOFF): Define by default as false.
	(PIC_OFFSET_TABLE_REGNUM): Use TARGET_PECOFF.
	* config/i386/i386.c (ix86_option_override_internal): Likewise.
	(ix86_expand_prologue): Likewise.
	(ix86_expand_split_stack_prologue): Likewise.
	(legitimate_pic_address_disp_p): Likewise.
	(legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	(legitimize_pe_coff_symbol): Likewise.
	(output_pic_addr_const): Likewise.
	(construct_plt_address): Likewise.
	(ix86_expand_call): Likewise.
	(x86_output_mi_thunk): Likewise.
	(x86_function_profiler): Likewise.

2013-05-13  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_simd_mov<mode>): Group
	similar switch cases.
	(aarch64_simd_mov): Rename to aarch64_split_simd_mov. Update.
	(aarch64_simd_mov_to_<mode>low): Delete.
	(aarch64_simd_mov_to_<mode>high): Delete.
	(move_lo_quad_<mode>): Add w<-r alternative.
	(aarch64_simd_move_hi_quad_<mode>): Likewise.
	(aarch64_simd_mov_from_*): Update type attribute.
	* config/aarch64/aarch64.c (aarch64_split_simd_move): Refacror switch
	statement.

2013-05-13  Jan Hubicka  <jh@suse.cz>

	* mode-switching.c (optimize_mode_switching): Set correct RTL profile.
	* config/i386/i386.c (ix86_compute_frame_layout,
	ix86_expand_epilogue, emit_i387_cw_initialization,
	ix86_expand_vector_move_misalign, ix86_fp_comparison_strategy,
	ix86_local_alignment): Fix use of size/speed predicates.

2013-05-13  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/45216
	PR tree-optimization/57157
	* tree-ssa-forwprop.c (simplify_rotate): Only recognize
	the (-Y) & (B - 1) variant if OP is |.
	* expmed.c (expand_shift_1): For rotations by const0_rtx just
	return shifted.  Use (-op1) & (prec - 1) as other_amount
	instead of prec - op1.

2013-05-13  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/42371
	* ipa-prop.h (IPA_UNDESCRIBED_USE): New macro.
	(ipa_constant_data): New type.
	(ipa_jump_func): Use ipa_constant_data to hold information about
	constant jump functions.
	(ipa_get_jf_constant): Adjust to jump function type changes.
	(ipa_get_jf_constant_rdesc): New function.
	(ipa_param_descriptor): New field controlled_uses.
	(ipa_get_controlled_uses): New function.
	(ipa_set_controlled_uses): Likewise.
	* ipa-ref.h (ipa_find_reference): Declare.
	* ipa-prop.c (ipa_cst_ref_desc): New type.
	(ipa_print_node_jump_functions_for_edge): Adjust for jump function type
	changes.
	(ipa_set_jf_constant): Likewise.  Also create reference descriptions.
	New parameter cs.  Adjust all callers.
	(ipa_analyze_params_uses): Detect uncontrolled and controlled uses.
	(remove_described_reference): New function.
	(jfunc_rdesc_usable): Likewise.
	(try_make_edge_direct_simple_call): Decrement controlled use count,
	attempt to remove reference if it hits zero.
	(combine_controlled_uses_counters): New function.
	(propagate_controlled_uses): Likewise.
	(ipa_propagate_indirect_call_infos): Call propagate_controlled_uses.
	(ipa_edge_duplication_hook): Duplicate reference descriptions.
	(ipa_print_node_params): Print described use counter.
	(ipa_write_jump_function): Adjust to jump function type changes.
	(ipa_read_jump_function): New parameter CS, pass it to
	ipa_set_jf_constant.  Adjust caller.
	(ipa_write_node_info): Stream controlled use count
	(ipa_read_node_info): Likewise.
	* cgraph.c (cgraph_mark_address_taken_node): Bail out instead of
	asserting.
	* ipa-cp.c (ipcp_discover_new_direct_edges): Decrement controlled use
	count.  Remove cloning-added reference if it reaches zero.
	* ipa-ref.c (ipa_find_reference): New function.

2013-05-13  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	* config/i386/i386.c (processor_target_table): Modified default
	alignment values for AMD BD and BT architectures.

2013-05-13  Marc Glisse  <marc.glisse@inria.fr>

	* tree-vect-generic.c (uniform_vector_p): Move ...
	* tree.c (uniform_vector_p): ... here.
	* tree.h (uniform_vector_p): Declare it.
	* fold-const.c (fold_binary_loc) <shift>: Turn the second argument
	into a scalar.

2013-05-13  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57230
	* tree-ssa-strlen.c (handle_char_store): Record length for
	array store from STRING_CST.

	PR tree-optimization/57230
	* tree-ssa-strlen.c (handle_char_store): Add missing integer_zerop
	check.

2013-05-12  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.c (epiphany_init): Check size of
	NUM_MODES_FOR_MODE_SWITCHING.
	(epiphany_expand_prologue):
	Remove CONFIG_REGNUM initial value handling code.
	(epiphany_optimize_mode_switching): Handle EPIPHANY_MSW_ENTITY_CONFIG.
	(epiphany_mode_needed, epiphany_mode_entry_exit): Likewise.
	(emit_set_fp_mode, epiphany_mode_after): Likewise.
	(epiphany_mode_needed) <Handle EPIPHANY_MSW_ENTITY_AND>:
	Don't return 1 for FP_MODE_NONE.
	* config/epiphany/epiphany.h (NUM_MODES_FOR_MODE_SWITCHING):
	Add value for EPIPHANY_MSW_ENTITY_CONFIG.
	(EPIPHANY_MSW_ENTITY_CONFIG, EPIPHANY_MSW_ENTITY_NUM): Define.
	* config/epiphany/epiphany.md (save_config): New pattern.

2013-05-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*zero_extendsidi2): Add *x->?r alternative.

2013-05-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (memory): Handle sseishft1.
	* config/i386/sse.md (*vec_extractv4si): Remove memory attribute.
	(*vec_extractv2di_1): Ditto.

2013-05-10  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-assigns.c (find_hard_regno_for): Add 1 to the cost of call
	saved registers.

2013-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/t-rtems-eabi: Remove mthumb/march=armv7 multilib.
	Add mthumb/march=armv7-a multilib.
	Add mthumb/march=armv7-r multilib.
	Add mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard multilib.

2013-05-10  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/v850/t-rtems: Add more multilibs.

2013-05-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57214
	* tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling): Do
	not propagate from SSA names that occur in abnormal PHI nodes.

2013-05-10  Marc Glisse  <marc.glisse@inria.fr>

	* stor-layout.c (element_precision): New function.
	* machmode.h (element_precision): Declare it.
	* tree.c (build_minus_one_cst): New function.
	(element_precision): Likewise.
	* tree.h (build_minus_one_cst): Declare new function.
	(element_precision): Likewise.
	* fold-const.c (operand_equal_p): Use element_precision.
	(fold_binary_loc): Handle vector types.
	* convert.c (convert_to_integer): Use element_precision.
	* gimple.c (iterative_hash_canonical_type): Handle complex and vectors
	separately.

2013-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (m16_uimm3_b, m16_simm4_1, m16_nsimm4_1)
	(m16_simm5_1, m16_nsimm5_1, m16_uimm5_4, m16_nuimm5_4, m16_simm8_1)
	(m16_nsimm8_1, m16_uimm8_1, m16_nuimm8_1, m16_uimm8_m1_1, m16_uimm8_4)
	(m16_nuimm8_4, m16_simm8_8, m16_nsimm8_8): Delete.
	* config/mips/mips.c (m16_check_op, m16_uimm3_b, m16_simm4_1)
	(m16_nsimm4_1, m16_simm5_1, m16_nsimm5_1, m16_uimm5_4, m16_nuimm5_4)
	(m16_simm8_1, m16_nsimm8_1, m16_uimm8_1, m16_nuimm8_1, m16_uimm8_m1_1)
	(m16_uimm8_4, m16_nuimm8_4, m16_simm8_8, m16_nsimm8_8): Delete.
	* config/mips/constraints.md (Udb8, Usb5, Usb8, Usd8, Uub8, Uuw5)
	(Uuw8): New constraints.
	(Usb4): Move into alphabetical order.
	* config/mips/predicates.md (db8_operand, sb5_operand, sb8_operand)
	(sd8_operand, ub8_operand, uw8_operand): New predicates.
	* config/mips/mips.md (*xor<mode>3, *xor<mode>3_mips16): Name
	previously unnamed patterns.
	(*add<mode>3_mips16, *xor<mode>3_mips16, *<optab>si3_mips16)
	(*ashldi3_mips16, *ashrdi3_mips16, *lshrdi3_mips16)
	(*slt<u>_<GPR:mode><GPR2:mode>_mips16)
	(*sle<u>_<GPR:mode><GPR2:mode>_mips16): Use constraints instead
	of set_attr_alternative/if_then_else.  Use extended_mips16 instead
	of specific lengths.

2013-05-10  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (rotateinv): New code attr.
	(*<rotate_insn><mode>3_1, *<rotate_insn>si3_1_zext,
	*<rotate_insn>qi3_1_slp): Emit rorl %eax instead of
	roll $31, %eax, etc.

	PR tree-optimization/45216
	PR tree-optimization/57157
	* tree-ssa-forwprop.c (simplify_rotate): New function.
	(ssa_forward_propagate_and_combine): Call it.

2013-05-10  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do not
	disable peeling when we version for aliasing.
	(vector_alignment_reachable_p): Honor explicit user alignment.
	(vect_supportable_dr_alignment): Likewise.
	* tree-vect-loop-manip.c (vect_can_advance_ivs_p): Use
	STMT_VINFO_LOOP_PHI_EVOLUTION_PART instead of recomputing it.
	* tree-vect-loop.c (vect_transform_loop): First apply versioning,
	then peeling to arrange for the cost-model check to come first.

2013-05-10  Alan Modra  <amodra@gmail.com>

	* configure.ac (HAVE_AS_TLS): Swap powerpc64 and powerpc cases.
	(HAVE_LD_LARGE_TOC): Don't mention AIX in help text.
	* configure: Regenerate.

2013-05-10  Alan Modra  <amodra@gmail.com>

	PR target/55033
	* varasm.c (default_elf_select_section): Move !DECL_P check..
	(get_named_section): ..to here before calling get_section_name.
	Adjust assertion.
	(default_section_type_flags): Add DECL_P check.
	* config/i386/winnt.c (i386_pe_section_type_flags): Likewise.
	* config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags): Likewise.

2013-05-09  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.c (epiphany_expand_prologue):
	When using gen_stack_adjust_str with a register offset, add a
	REG_FRAME_RELATED_EXPR note.

2013-05-09  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_extractv4si_0_zext): New pattern.
	(*vec_extractv4si_zext_mem): Ditto.
	(*vec_extractv2di): Add 0->x and x->x alternatives.
	* config/i386/mmx.md (*vec_extractv2si_zext_mem): New pattern.
	* config/i386/i386.md (*zero_extendsidi2): Add *Yj->?r alternative.

2013-05-09  Jason Merrill  <jason@redhat.com>

	N3639 C++1y VLA support
	* gimplify.c (gimplify_vla_decl): Don't touch an existing
	DECL_VALUE_EXPR.

	* tree.c (build_constructor_va): New.
	* tree.h: Declare it.

2013-05-09  Martin Jambor  <mjambor@suse.cz>

	PR lto/57084
	* gimple-fold.c (canonicalize_constructor_val): Call
	cgraph_get_create_real_symbol_node instead of cgraph_get_create_node.

2013-05-09  Jan Hubicka  <jh@suse.cz>
	    Richard Biener  <rguenther@suse.de>

	PR lto/54095
	* symtab.c (symtab_make_decl_local): Do not add private names.

2013-05-09  Jan Hubicka  <jh@suse.cz>

	PR lto/54095
	* symtab.c (insert_to_assembler_name_hash): Handle clones.
	(unlink_from_assembler_name_hash): Likewise.
	(symtab_prevail_in_asm_name_hash, symtab_register_node,
	symtab_unregister_node, symtab_initialize_asm_name_hash,
	change_decl_assembler_name): Update.

2013-05-09  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md: New movtf split.
	(*movtf_aarch64): Update.
	(aarch64_movdi_tilow): Handle TF modes and rename to
	aarch64_movdi_<mode>low.
	(aarch64_movdi_tihigh): Handle TF modes and rename to
	aarch64_movdi_<mode>high
	(aarch64_movtihigh_di): Handle TF modes and rename to
	aarch64_mov<mode>high_di
	(aarch64_movtilow_di): Handle TF modes and rename to
	aarch64_mov<mode>low_di
	(aarch64_movtilow_tilow): Remove spurious whitespace.
	* config/aarch64/aarch64.c (aarch64_split_128bit_move): Handle TFmode
	splits.
	(aarch64_print_operand): Update.

2013-05-09  Alan Modra  <amodra@gmail.com>

	* configure.ac (HAVE_AS_TLS): Enable tests for powerpcle and
	powerpc64le.
	* configure: Regenerate.

2013-05-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md (*vec_extract* splitters): Simplify post-reload
	splitter preparation statements.
	* config/i386/sse.md (*vec_extract* splitters): Ditto.
	(*avx_vperm_broadcast_<mode>): Use adjust_address instead of
	adjust_address_nv.

2013-05-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (count_candidates): Change
	return value to int.
	(analyze_candidates_and_replace): Change type of length to int.

2013-05-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (PEXTR_MODE, PEXTR_MODEx): Remove.
	(*vec_extract<mode>): Use VI12_128 mode iterator.
	(*vec_extract<mode>_mem): Ditto.
	(*vec_extract*_mem splitters): Merge splitters using VI_128 mode
	attribute.

2013-05-08  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54659

	Revert:
	2012-08-17  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54281
	* configure.ac: Add libintl.h to AC_CHECK_HEADERS list.
	* config.in: Regenerate.
	* configure: Regenerate.
	* intl.h: Always include libintl.h if HAVE_LIBINTL_H is set.

2013-05-08  Jan Hubicka  <jh@suse.cz>

	PR lto/54095
	* cgraph.c (cgraph_make_node_local_1): Se unique_name.
	* cgraph.h (symtab_node_base): Add unique_name.
	* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
	input_overwrite_node, input_varpool_node): Stream unique_name.
	* cgraphclones.c (cgraph_create_virtual_clone,
	cgraph_function_versioning): Set unique_name.
	* ipa.c (function_and_variable_visibility): Set unique_name.

2013-05-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (find_phi_def): Revert former	"fix."
	(alloc_cand_and_find_basis): Restrict conditional candidate
	processing to CAND_MULTs.

2013-05-08  Jan Hubicka  <jh@suse.cz>

	PR lto/54095
	lto-symtab.c (lto_symtab_symbol_p): New function.
	(lto_symtab_resolve_can_prevail_p, lto_symtab_resolve_symbols,
	lto_symtab_resolve_symbols, lto_symtab_merge_decls_2,
	lto_symtab_merge_decls_1, lto_symtab_merge_cgraph_nodes_1):
	Skip static symbols.

2013-05-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR tree-optimization/57200
	* tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations):
	Only call inform if the preceding warning_at returns true.

2013-05-07  Han Shen  <shenhan@google.com>

	* cfgexpand.c (record_or_union_type_has_array_p): New function.
	(expand_used_vars): Add logic handling '-fstack-protector-strong'.
	* common.opt (fstack-protector-strong): New option.
	* doc/cpp.texi (__SSP_STRONG__): New builtin "__SSP_STRONG__".
	* doc/invoke.texi (Optimization Options): Document
	"-fstack-protector-strong".
	* gcc.c (LINK_SSP_SPEC): Add 'fstack-protector-strong'.

2013-05-06  Steven Bosscher  <steven@gcc.gnu.org>

	* config/mips/mips.c (mips_machine_reorg2): Return 0.

2013-05-07  Vladimir Makarov  <vmakarov@redhat.com>

	* ira.c (update_equiv_regs): Add insn having equiv memory even if
	it is not lhs of the insn.
	(setup_reg_equiv): Remove insn having equiv memory which it is not
	lhs of the insn.
	* lra-constraints.c (process_address): Try to improve generation
	code for address base + disp.
	(lra_constraints): Make correct the code for checking insn setting
	up backward equivalence.  Remove insn only if it is in the init
	insn list.
	* lra-eliminations.c (update_reg_eliminate): Change return value.
	(lra_eliminate): Use the result.

2013-05-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (ssescalarnummask): New mode attribute.
	(PEXTR_MODE, PEXTR_MODEx): New mode iterators.
	(*vec_extract<mode>): Merge from *sse4_1_pextrb_memory and
	*sse4_1_pextrw_memory using PEXTR_MODE mode iterator. Handle
	register target operands.
	(*vec_extractv8hi_sse2): New pattern.
	(*vec_extractv16qi_zext): Rename from *sse4_1_pextrb_<mode>.
	(*vec_extractv8hi_zext): Rename from *sse2_pextrw_<mode>.
	(*vec_extract<mode>_mem): New insn and split pattern.

2013-05-07  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/arm/arm.c (arm_asan_shadow_offset): New function.
	(TARGET_ASAN_SHADOW_OFFSET): Define.
	* config/arm/linux-eabi.h (ASAN_CC1_SPEC): Define.
	(LINUX_OR_ANDROID_CC): Add ASAN_CC1_SPEC.

2013-05-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (MAX_INCR_VEC_LEN): New constant.
	(incr_vec_index): Return -1 if increment not found.
	(create_add_on_incoming_edge): Assert if increment not found.
	(record_increment): Limit number of increments recorded.
	(all_phi_incrs_profitable): Return false if an increment not found.
	(replace_profitable_candidates): Don't process increments that were
	not recorded.
	(analyze_candidates_and_replace): Limit size of incr_vec.

2013-05-07  Richard Biener  <rguenther@suse.de>

	* calls.c (special_function_p): setjmp-like functions are leaf.
	* builtins.def (BUILT_IN_SETJMP): setjmp is leaf.
	* tree-inline.c (update_ssa_across_abnormal_edges): Remove assert.

2013-05-07  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): call splitter.
	(aarch64_simd_mov<mode>): New expander.
	(aarch64_simd_mov_to_<mode>low): New instruction pattern.
	(aarch64_simd_mov_to_<mode>high): Likewise.
	(aarch64_simd_mov_from_<mode>low): Likewise.
	(aarch64_simd_mov_from_<mode>high): Likewise.
	(aarch64_dup_lane<mode>): Update.
	(aarch64_dup_lanedi): New instruction pattern.
	* config/aarch64/aarch64-protos.h (aarch64_split_simd_move): New prototype.
	* config/aarch64/aarch64.c (aarch64_split_simd_move): New function.

2013-05-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (lazy_create_slsr_reg): Remove.
	(replace_mult_candidate): Remove unnecessary argument; remove
	unnecessary parameter from call to introduce_cast_before_cand.
	(replace_unconditional_candidate): Remove unnecessary parameter
	from call to replace_mult_candidate.
	(replace_conditional_candidate): Likewise.
	(insert_initializers): Use make_temp_ssa_name.
	(introduce_cast_before_cand): Remove unnecessary argument; use
	make_temp_ssa_name.
	(replace_one_candidate): Remove unnecessary argument; remove
	unnecessary parameter from calls to introduce_cast_before_cand.
	(replace_profitable_candidates): Remove unnecessary parameters
	from calls to replace_one_candidate.

2013-05-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (find_phi_def): Don't record a
	phi def as possibly hiding a basis for a CAND_ADD whose operands
	have been commuted in the analysis.
	(alloc_cand_and_find_basis): Add parms to call to find_phi_def.

2013-05-07  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md
	(cmp_swp_<optab><ALLX:mode>_shft_<GPI:mode>): Restrict the
	shift value between 0-4.

2013-05-07  Richard Biener  <rguenther@suse.de>

	* double-int.h (rshift): New overload.
	* double-int.c (rshift): New function.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Optimize.
	(create_reference_ops_from_ref): Remove.
	(vn_reference_insert): Use shared ops for constructing the
	reference and copy it.

2013-05-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/57190
	* tree-eh.c (sink_clobbers): Properly propagate
	SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2013-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57149
	* tree-ssa-uninit.c (uninit_undefined_value_p): New inline.
	(can_skip_redundant_opnd, compute_uninit_opnds_pos,
	collect_phi_def_edges, execute_late_warn_uninitialized): Use
	uninit_undefined_value_p instead of ssa_undefined_value_p.

	PR debug/57184
	* expr.c (expand_expr_addr_expr_1): Handle COMPOUND_LITERAL_EXPR
	for modifier == EXPAND_INITIALIZER.

2013-05-07  Anton Blanchard  <anton@samba.org>

	* configure.ac (HAVE_LD_LARGE_TOC): Use correct linker emulation
	for powerpc64 little endian.
	* configure: Regenerate.

2013-05-06  Graham Stott  <grahams@btinternet.com>

	* expmed.c (init_expmed_rtl): Remove unused fields reg_fld, plus_fld,
	mult_fld, sdiv_fld1, udiv_fld1, sdiv_32_fld1, smod_32_fld1,
	wide_mult_fld1, wide_lshr_fld1, shift_fld1, shift_mult_fld1,
	shift_add_fld1, shift_sub0_fld1, shift_sub1_fld1.

2013-05-06  Graham Stott  <grahams@btinternet.com>

	* gensupport.c (add_predicate_code): Also exclude SCRATCH from rtx
	codes which allow non-lvalues.

2013-05-06  Marc Glisse  <marc.glisse@inria.fr>

	* tree.c (integer_all_onesp) <COMPLEX_CST>: Test that both
	components are all 1s.
	(integer_minus_onep): New function.
	* tree.h (integer_minus_onep): Declare it.
	* fold-const.c (fold_binary_loc) <MULT_EXPR>: Test
	integer_minus_onep instead of integer_all_onesp.

2013-05-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/52933
	* config/sh/sh.md (*cmp_div0s_0, *cmp_div0s_1, *movsicc_div0s): Add
	variations of these patterns.

2013-05-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (isa): Add x64_sse4 member.
	(enabled): Handle x64_sse4.
	(*movdi_internal): Add *x->?r alternative to emit pextrq $0,%xmm,%reg
	instruction for 64bit SSE4_1 targets.  Update insn attributes.
	(*movsi_internal): Add *x->?r alternative to emit pextrd $0,%xmm,%reg
	instruction for SSE4_1 targets.  Update insn attributes.
	* config/i386/sse.md (*vec_extract<ssevecmodelower>_0): Merge
	with *sse4_1_pextrd and *sse4_1_pextrq having const_0 selector.
	(*vec_extractv2di_1): Merge with *sse4_1_pextrq having
	const_1 selector.
	(*vec_extractv4si): Rename from *sse4_1_pextrd.
	(*vec_extractv4si_zext): Rename from *sse4_1_pextrd_zext.
	(*vec_extract<ssevecmodelower>_0 splitters): Merge splitters together.

2013-05-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/57108
	* config/sh/sh.md (tstsi_t_zero_extract_eq): Use QIHISIDI mode iterator.

2013-05-06  Maxim Kuznetsov  <maks.kuznetsov@gmail.com>

	* final.c (do_assembler_dialects): Don't handle curly braces and
	vertical bar escaped by % as dialect delimiters.
	(output_asm_insn): Print curly braces and vertical bar if escaped
	by % and ASSEMBLER_DIALECT defined.
	* doc/tm.texi.in (ASSEMBLER_DIALECT): Document new standard escapes.
	* doc/tm.texi: Regenerated.

2013-05-06  Steven Bosscher  <steven@gcc.gnu.org>

	* config/mips/mips.c: Include tree-pass.h.
	(mips_reorg): Split in pre- and post-dbr_schedule parts.
	(mips_machine_reorg2): Move mips_reorg post-dbr_schedule parts here.
	(pass_mips_machine_reorg2): New machine specific pass.
	(insert_pass_mips_machine_reorg2): New pass plugin definition.
	(mips_option_override): Register the new pass.
	* rtl.h (cleanup_barriers): Remove prototype.
	(dbr_schedule): Likewise.
	* jump.c (cleanup_barriers): Make static.
	* reorg.c (dbr_schedule): Likewise.

2013-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57185
	* tree-parloops.c (add_field_for_reduction): Handle anonymous
	SSA names properly.

2013-05-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/57106
	* config/i386/i386.c (add_parameter_dependencies): Add dependence
	between "first_arg" and "insn", not "last" and "insn".

2013-05-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (slsr_process_phi): Re-enable.
	(find_candidates_in_block): Re-enable slsr_process_phi.
	(create_phi_basis): Fix double counting of candidate adjustment.

2013-05-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/57147
	* tree-cfg.c (gimple_purge_dead_abnormal_call_edges): If
	the edge is also fallthru, preserve it and just clear the
	abnormal flag.
	* tree-cfgcleanup.c (remove_fallthru_edge): If the edge is
	also complex, preserve that and just clear the fallthru flag.
	* tree-inline.c (update_ssa_across_abnormal_edges): Also
	update virtual operands.

2013-05-06  Alan Modra  <amodra@gmail.com>

	* config/rs6000/linux.h (DEFAULT_ASM_ENDIAN): Define.
	(LINK_OS_LINUX_EMUL): Use ENDIAN_SELECT.
	* config/rs6000/linux64.h (DEFAULT_ASM_ENDIAN): Define.
	* config/rs6000/sysv4le.h (DEFAULT_ASM_ENDIAN): Define.
	(LINK_TARGET_SPEC): Use ENDIAN_SELECT.
	* config/rs6000/sysv4.h (DEFAULT_ASM_ENDIAN): Define as -mbig.

2013-05-06  Alan Modra  <amodra@gmail.com>

	* config/rs6000/sysv4.h (ENDIAN_SELECT): Define, extracted from
	(ASM_SPEC): ..here.  Emit DEFAULT_ASM_ENDIAN too.
	(DEFAULT_ASM_ENDIAN): Define.
	(CC1_SPEC, LINK_TARGET_SPEC): Use ENDIAN_SELECT.
	* config/rs6000/linux64.h (ASM_SPEC32): Remove endian options.
	Update -K PIC clause from sysv4.h.
	(ASM_SPEC_COMMON): Use ENDIAN_SELECT.
	(LINK_OS_LINUX_EMUL32, LINK_OS_LINUX_EMUL64): Likewise.

2013-05-06  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.md (bswapdi 2nd splitter): Don't swap words
	twice for little-endian.
	(ashrdi3_no_power, ashrdi3): Support little-endian.

2013-05-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/55303
	* config/sh/sh.c (sh_rtx_costs): Handle SMIN and SMAX cases.
	* config/sh/sh.md (*clips, uminsi3, *clipu, clipu_one): New insns and
	related expanders.
	* config/sh/iterators.md (SMIN_SMAX): New code iterator.
	* config/sh/predicates.md (arith_reg_or_0_or_1_operand,
	clips_min_const_int, clips_max_const_int, clipu_max_const_int):
	New predicates.

2013-05-05  Steven Bosscher  <steven@gcc.gnu.org>
	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa*-*-*): Remove MASK_BIG_SWITCH from CPU default.
	* config/pa/pa.opt: Make mbig-switch a no-op.
	* config/pa/pa.h (TARGET_DEFAULT): Remove MASK_BIG_SWITCH.
	(CASE_VECTOR_MODE): Always return SImode.
	(ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove code
	for the !TARGET_BIG_SWITCH case.
	* config/pa/pa-linux.h: Likewise.
	* config/pa/pa-openbsd.h: Likewise.
	* config/pa/pa-hpux.h: Define TARGET_DEFAULT to 0.
	* config/pa/pa.md (short_jump): Remove define_insn.
	(casesi): Remove code for the !TARGET_BIG_SWITCH case.
	(casesi0): Remove define_insn.
	(type): Remove btable_branch.
	(pa_combine_type): Likewise.
	(in_nullified_branch_delay): Likewise.
	(in_call_delay): Likewise.
	(define_delay): Likewise.
	(define_insn_reservation "Z3"): Likewise.
	(define_insn_reservation "Z4"): Likewise.
	* config/pa/pa.c  (pa_reorg): Remove code for !TARGET_BIG_SWITCH.
	(pa_adjust_insn_length): Remove adjustment for btable branches.
	* doc/invoke.texi (HPPA Options): Delete documentation for mbig-switch
	and mno-big-switch

2013-05-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_extract<ssevecmodelower>_0): Merge
	from sse2_stored and *sse2_storeq_rex64 using SWI48 mode iterator.
	Add m->r,x alternatives.
	(*vec_extract<ssevecmodelower>_0 splitters): Merge V2DI and V4SI
	splitters using SWI48x mode iterator.
	(*vec_extract_v2di_0_sse): Rename from *sse2_storeq.  Disable for
	TARGET_64BIT.  Add m->x alternative.
	(*vec_extractv4si_mem): Rename from *vec_ext_v4si_mem.
	Add o->x alternative.  Enable for TARGET_SSE.
	(sse_storeq): Remove expander.
	(*vec_extractv2di_1): Enable for TARGET_SSE. Split alternatives
	with memory input operand.
	(*vec_extractv2di_1 splitter): New.
	(*vec_extractv4sf_mem): Rename from *vec_extract_v4sf_mem.
	* config/i386/i386.md (ssevecmodelower): New mode attribute.

2013-05-04  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.c (INT_P): Reformat.  Delete obsolete comment.
	(INT_LOWPART): Delete.
	(extract_MB): Adjust.
	(extract_ME): Adjust.
	(print_operand): Adjust.

2013-05-04  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/predicates.md (reg_or_add_cint_operand,
	reg_or_sub_cint_operand): Delete "HOST_BITS_PER_WIDE_INT == 32" case.
	(reg_or_logical_cint_operand, easy_fp_constant,
	logical_const_operand): Delete "CONST_DOUBLE" case.
	* config/rs6000/rs6000.c (num_insns_constant_wide): Delete
	"HOST_BITS_PER_WIDE_INT == 64" test.
	(num_insns_constant): Ditto.  Delete CONST_DOUBLE DImode/VOIDmode case.
	(build_mask64_2_operands): Delete "HOST_BITS_PER_WIDE_INT >= 64" test.
	(rs6000_emit_set_const): Delete CONST_DOUBLE case.
	(rs6000_emit_set_long_const): Delete "HOST_BITS_PER_WIDE_INT >= 64"
	test.
	(includes_rldic_lshift_p, includes_rldicr_lshift_p): Delete
	CONST_DOUBLE DImode/VOIDmode case.
	(INT_P, INT_LOWPART): Delete CONST_DOUBLE case.
	(print_operand): Delete "HOST_BITS_PER_WIDE_INT == 32" case.  Delete
	CONST_DOUBLE VOIDmode case.
	(output_toc): Delete "HOST_BITS_PER_WIDE_INT == 32" case.
	(rs6000_rtx_costs): Delete CONST_DOUBLE DImode/VOIDmode case.
	* config/rs6000/rs6000.md (iordi3, xordi3, splitter for these):
	Delete CONST_DOUBLE case.
	(splitters for mov FMOVE64 const_double): Delete
	"HOST_BITS_PER_WIDE_INT == 32" case.  Delete
	"HOST_BITS_PER_WIDE_INT >= 64" test.
	(splitter for mov DI const_int): Delete "HOST_BITS_PER_WIDE_INT == 32"
	case.
	(mov DI const_double): Delete.

2013-05-04  Jakub Jelinek  <jakub@redhat.com>

	* combine.c (combine_simplify_rtx) <case SUBREG>: If nonzero_bits
	on op shows all bits zero in mode of a lowpart subreg, return zero.

2013-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/57150
	* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Use DFmode
	to save TFmode registers and DImode to save TImode registers for
	caller save operations.
	(HARD_REGNO_CALL_PART_CLOBBERED): TFmode and TDmode do not need to
	mark being partially clobbered since they only use the first
	double word.

	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): TFmode
	and TDmode only use the upper 64-bits of each VSX register.

2013-05-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (slsr_process_phi): Disable.
	(find_candidates_in_block): Disable slsr_process_phi.

2013-05-03  Guozhi Wei  <carrot@google.com>

	* coverage.c (coverage_obj_init): Move the construction of gcov
	constructor to ...
	(build_init_ctor): ... here.

2013-05-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (cand_kind): Add CAND_PHI.
	(slsr_cand_d): Redefine def_phi.
	(stride_status, phi_adjust_status, count_phis_status): New enums.
	(find_phi_def): New.
	(find_basis_for_base_expr): New.
	(find_basis_for_candidate): Handle hidden bases.
	(alloc_cand_and_find_basis): Handle phi candidates.
	(slsr_process_phi): New.
	(create_mul_ssa_cand): Exclude phi base candidates; use integer_onep.
	(create_mul_imm_cand): Likewise.
	(create_add_ssa_cand): Exclude phi base candidates.
	(create_add_imm_cand): Likewise.
	(slsr_process_cast): Likewise.
	(slsr_process_copy): Likewise.
	(find_candidates_in_block): Handle phi candidates.
	(dump_candidate): Likewise.
	(unconditional_cands): Delete.
	(unconditional_cands_with_known_stride_p): Delete.
	(phi_dependent_cand_p): New.
	(cand_increment): Handle phi-dependent candidates.
	(replace_dependent): Delete.
	(replace_mult_candidate): New.
	(replace_unconditional_candidate): New.
	(incr_vec_index): Move to avoid forward reference.
	(create_add_on_incoming_edge): New.
	(create_phi_basis): New.
	(replace_dependents): Delete.
	(replace_conditional_candidate): New.
	(phi_add_costs): New.
	(replace_uncond_cands_and_profitable_phis): New.
	(record_increment): Handle phi adjustments.
	(record_phi_increments): New.
	(record_increments): Handle phi adjustments.
	(phi_incr_cost): New.
	(lowest_cost_path): Handle phis.
	(total_savings): Likewise.
	(analyze_increments): Likewise.
	(ncd_with_phi): New.
	(ncd_of_cand_and_phis): New.
	(nearest_common_dominator_for_cands): Handle phi increments.
	(all_phi_incrs_profitable): New.
	(replace_profitable_candidates): Handle phi-dependent candidates.
	(analyze_candidates_and_replace): Likewise.

2013-05-03  Teresa Johnson  <tejohnson@google.com>

	PR bootstrap/57154
	* sched-rgn.c (compute_dom_prob_ps): Ensure accumulated probabilities
	do not exceed REG_BR_PROB_BASE.

2013-05-03  Jeff Law  <law@redhat.com>

	PR tree-optimization/57144
	* tree-vrp.c (simplify_cond_using_ranges): Verify the constant
	operand of the condition will bit into the new type when eliminating
	a cast feeding a condition.

2013-05-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/57130
	* combine.c (make_compound_operation) <case SUBREG>: Pass SET instead
	of COMPARE as in_code to the recursive call if needed.

2013-05-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (isa): Add x64_sse4_noavx and x64_avx members.
	(enabled): Handle new members.
	* config/i386/sse.md (*vec_concatv2si): Merge from
	*vec_concatv2si_sse2 and vec_concatv2si_sse.
	(vec_concatv2di): Merge with *vec_concatv2di_rex64.

2013-05-03  Joern Rennecke <joern.rennecke@embecosm.com>

	PR tree-optimization/57027
	* tree-ssa-math-opts.c (convert_mult_to_fma): When checking
	for fnms opportunity, check we got the prerequisite kind
	of tree / gimple before using accessor functions.

2013-05-03  Richard Biener  <rguenther@suse.de>

	* double-int.h (lshift): New overload without precision
	and arith argument.
	(operator *=, operator +=, operator -=): Move ...
	* double-int.c (operator *=, operator +=, operator -=): ... here
	and implement more efficiently.
	(mul_double_with_sign): Remove.
	(lshift_double): Adjust to take unsinged shift argument, push
	dispatching code to callers.
	(mul_double_wide_with_sign): Add early out for callers that
	are not interested in high parts or overflow.
	(lshift): New function.
	(lshift, rshift, alshift, arshift, llshift, lrshift): Add
	dispatch code here.
	(lrotate, rrotate): Use logical shifts.
	* expr.c (get_inner_reference): Use lshift.
	* fixed-value.c (do_fixed_divide): Likewise.
	* tree-dfa.c (get_ref_base_and_extent): Likewise.
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
	(indirect_refs_may_alias_p): Likewise.
	(stmt_kills_ref_p_1): Likewise.

2013-05-03  Vidya Praveen  <vidyapraveen@arm.com>

	* config/aarch64/aarch64-simd.md (simd_fabd): Correct the description.

2013-05-03  Vidya Praveen  <vidyapraveen@arm.com>

	* config/aarch64/aarch64-simd.md (*fabd_scalar<mode>3): Support
	scalar form of FABD instruction.

2013-05-02  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (process_alt_operands): Add checking alt
	number to choose the best alternative.

2013-05-02  Richard Biener  <rguenther@suse.de>

	* tree-eh.c (cleanup_empty_eh_merge_phis): Remove rename_virts
	bitmap and its handling.
	(pass_cleanup_eh): Set todo_flags_finish to TODO_verify_ssa.

2013-05-02  Richard Biener  <rguenther@suse.de>

	PR middle-end/57140
	* tree-inline.c (copy_loops): Properly handle removed loops.
	(copy_cfg_body): Mark destination loops for fixup if source
	loops needed fixup.

2013-05-02  Greta Yorsh  <Greta.Yorsh@arm.com>

	PR target/56732
	* config/arm/arm.c (arm_expand_epilogue): Check really_return before
	generating simple_return for naked functions.

2013-05-02  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/56988
	* ipa-prop.h (ipa_agg_replacement_value): New flag by_ref.
	* ipa-cp.c (ipa_get_indirect_edge_target_1): Also check that by_ref
	flags match.
	(find_aggregate_values_for_callers_subset): Fill in the by_ref flag of
	ipa_agg_replacement_value structures.
	(known_aggs_to_agg_replacement_list): Likewise.
	* ipa-prop.c (write_agg_replacement_chain): Stream by_ref flag.
	(read_agg_replacement_chain): Likewise.
	(ipcp_transform_function): Also check that by_ref flags match.

2013-05-02  Richard Biener  <rguenther@suse.de>

	* graphds.h (struct graph): Add obstack member.
	* graphds.c (new_graph): Initialize obstack and allocate
	vertices from it.
	(add_edge): Allocate edge from the obstack.
	(free_graph): Free the obstack instead of all edges and vertices.

2013-05-02  Teresa Johnson  <tejohnson@google.com>

	* loop-unswitch.c (unswitch_loop): Use helper routines with rounding
	divides.
	* cfg.c (update_bb_profile_for_threading): Ditto.
	* tree-inline.c (copy_bb): Ditto.
	(copy_edges_for_bb): Ditto.
	(initialize_cfun): Ditto.
	(copy_cfg_body): Ditto.
	(expand_call_inline): Ditto.
	* ipa-inline-analysis.c (estimate_edge_size_and_time): Ditto.
	(estimate_node_size_and_time): Ditto.
	(inline_merge_summary): Ditto.
	* cgraphclones.c (cgraph_clone_edge): Ditto.
	(cgraph_clone_node): Ditto.
	* sched-rgn.c (compute_dom_prob_ps): Ditto.
	(compute_trg_info): Ditto.

2013-05-02  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (movsi_aarch64): Only allow to/from
	S reg when fp attribute set.
	(movdi_aarch64): Only allow to/from D reg when fp attribute set.

2013-05-02  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*and_one_cmpl<mode>3_compare0):
	New pattern.
	(*and_one_cmplsi3_compare0_uxtw): Likewise.
	(*and_one_cmpl_<SHIFT:optab><mode>3_compare0): Likewise.
	(*and_one_cmpl_<SHIFT:optab>si3_compare0_uxtw): Likewise.

2013-05-02  Richard Biener  <rguenther@suse.de>

	* tree-scalar-evolution.c (scev_info_hasher): Remove.
	(struct instantiate_cache_entry): New type.
	(struct instantiate_cache_entry_hasher): New hashtable descriptor.
	(struct instantiate_cache_type): New type.
	(set_instantiated_value, get_instantiated_value): Remove.
	(get_instantiated_value_entry): New function.
	(instantiate_scev_name): Use the new cache and adjust.
	(instantiate_scev_poly): Adjust.
	(instantiate_scev_binary): Likewise.
	(instantiate_array_ref): Likewise.
	(instantiate_scev_convert): Likewise.
	(instantiate_scev_not): Likewise.
	(instantiate_scev_3): Likewise.
	(instantiate_scev_2): Likewise.
	(instantiate_scev_r): Likewise.
	(instantiate_scev): Likewise.
	(resolve_mixers): Likewise.

2013-05-01  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/57091
	* lra-constraints.c (best_small_class_operands_num): Remove.
	(process_alt_operands): Remove small_class_operands_num.  Take
	small classes operands into losers and only if the operand is not
	matched.  Modify debugging output.
	(curr_insn_transform): Remove best_small_class_operands_num.
	Print insn name.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_gimple_fold_builtin.c): Fold more modes for reduc_splus_.
	* config/aarch64/aarch64-simd-builtins.def
	(reduc_splus_): Add new modes.
	(reduc_uplus_): New.
	* config/aarch64/aarch64-simd.md (aarch64_addvv4sf): Remove.
	(reduc_uplus_v4sf): Likewise.
	(reduc_splus_v4sf): Likewise.
	(aarch64_addv<mode>): Likewise.
	(reduc_uplus_<mode>): Likewise.
	(reduc_splus_<mode>): Likewise.
	(aarch64_addvv2di): Likewise.
	(reduc_uplus_v2di): Likewise.
	(reduc_splus_v2di): Likewise.
	(aarch64_addvv2si): Likewise.
	(reduc_uplus_v2si): Likewise.
	(reduc_splus_v2si): Likewise.
	(reduc_<sur>plus_<mode>): New.
	(reduc_<sur>plus_v2di): Likewise.
	(reduc_<sur>plus_v2si): Likewise.
	(reduc_<sur>plus_v4sf): Likewise.
	(aarch64_addpv4sf): Likewise.
	* config/aarch64/arm_neon.h
	(vaddv<q>_<s,u,f><8, 16, 32, 64): Rewrite using builtins.
	* config/aarch64/iterators.md (unspec): Remove UNSPEC_ADDV,
	add UNSPEC_SADDV, UNSPEC_UADDV.
	(SUADDV): New.
	(sur): Add UNSPEC_SADDV, UNSPEC_UADDV.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h
	(v<max,min><nm><q><v>_<sfu><8, 16, 32, 64>): Rewrite using builtins.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins
	(aarch64_gimple_fold_builtin): Fold reduc_<su><maxmin>_ builtins.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd-builtins.def
	(reduc_smax_): New.
	(reduc_smin_): Likewise.
	(reduc_umax_): Likewise.
	(reduc_umin_): Likewise.
	(reduc_smax_nan_): Likewise.
	(reduc_smin_nan_): Likewise.
	(fmax): Remove.
	(fmin): Likewise.
	(smax): Update for V2SF, V4SF and V2DF modes.
	(smin): Likewise.
	(smax_nan): New.
	(smin_nan): Likewise.
	* config/aarch64/aarch64-simd.md (<maxmin><mode>3): Rename to...
	(<su><maxmin><mode>3): ...This, refactor.
	(s<maxmin><mode>3): New.
	(<maxmin_uns><mode>3): Likewise.
	(reduc_<maxmin_uns>_<mode>): Refactor.
	(reduc_<maxmin_uns>_v4sf): Likewise.
	(reduc_<maxmin_uns>_v2si): Likewise.
	(aarch64_<fmaxmin><mode>: Remove.
	* config/aarch64/arm_neon.h (vmax<q>_f<32,64>): Rewrite to use
	new builtin names.
	(vmin<q>_f<32,64>): Likewise.
	* config/iterators.md (unspec): Add UNSPEC_FMAXNMV, UNSPEC_FMINNMV.
	(FMAXMIN): New.
	(su): Add mappings for smax, smin, umax, umin.
	(maxmin): New.
	(FMAXMINV): Add UNSPEC_FMAXNMV, UNSPEC_FMINNMV.
	(FMAXMIN): Rename as...
	(FMAXMIN_UNS): ...This.
	(maxminv): Remove.
	(fmaxminv): Likewise.
	(fmaxmin): Likewise.
	(maxmin_uns): New.
	(maxmin_uns_op): Likewise.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h
	(vac<ge, gt><sd>_f<32, 64>): Rename to...
	(vca<ge, gt><sd>_f<32, 64>): ...this, reimpliment in C.
	(vca<ge, gt, lt, le><q>_f<32, 64>): Reimpliment in C.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md (*aarch64_fac<optab><mode>): New.
	* config/aarch64/iterators.md (FAC_COMPARISONS): New.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(vcond<mode>_internal): Handle special cases for constant masks.
	(vcond<mode><mode>): Allow nonmemory_operands for outcome vectors.
	(vcondu<mode><mode>): Likewise.
	(vcond<v_cmp_result><mode>): New.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c (BUILTIN_VALLDI): Define.
	(aarch64_fold_builtin): Add folding for cm<eq,ge,gt,tst>.
	* config/aarch64/aarch64-simd-builtins.def
	(cmeq): Update to BUILTIN_VALLDI.
	(cmgt): Likewise.
	(cmge): Likewise.
	(cmle): Likewise.
	(cmlt): Likewise.
	* config/aarch64/arm_neon.h
	(vc<eq, lt, le, gt, ge, tst><z><qsd>_<fpsu><8,16,32,64>): Remap
	to builtins or C as appropriate.

2013-05-01  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd-builtins.def (cmhs): Rename to...
	(cmgeu): ...This.
	(cmhi): Rename to...
	(cmgtu): ...This.
	* config/aarch64/aarch64-simd.md
	(simd_mode): Add SF.
	(aarch64_vcond_internal): Use new names for unsigned comparison insns.
	(aarch64_cm<optab><mode>): Rewrite to not use UNSPECs.
	* config/aarch64/aarch64.md (*cstore<mode>_neg): Rename to...
	(cstore<mode>_neg): ...This.
	* config/aarch64/iterators.md
	(VALLF): new.
	(unspec): Remove UNSPEC_CM<EQ, LE, LT, GE, GT, HS, HI, TST>.
	(COMPARISONS): New.
	(UCOMPARISONS): Likewise.
	(optab): Add missing comparisons.
	(n_optab): New.
	(cmp_1): Likewise.
	(cmp_2): Likewise.
	(CMP): Likewise.
	(cmp): Remove.
	(VCMP_S): Likewise.
	(VCMP_U): Likewise.
	(V_cmp_result): Add DF, SF modes.
	(v_cmp_result): Likewise.
	(v): Likewise.
	(vmtype): Likewise.
	* config/aarch64/predicates.md (aarch64_reg_or_fp_zero): New.

2013-05-01  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/thumb2.md (thumb2_smaxsi3,thumb2_sminsi3): Convert
	define_insn to define_insn_and_split.
	(thumb32_umaxsi3,thumb2_uminsi3): Likewise.
	(thumb2_negdi2,thumb2_abssi2,thumb2_neg_abssi2): Likewise.
	(thumb2_mov_scc,thumb2_mov_negscc,thumb2_mov_notscc): Likewise.
	(thumb2_movsicc_insn,thumb2_and_scc,thumb2_ior_scc): Likewise.
	(thumb2_negscc): Likewise.

2013-04-30  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/thumb2.md (thumb2_incscc, thumb2_decscc): Delete.

2013-04-30  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/thumb2.md: Remove trailing whitespaces.

2013-04-30  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

	* explow.c (plus_constant): Pass "mode" to immed_double_int_const.
	Use gen_int_mode rather than GEN_INT.

2013-04-30  H.J. Lu  <hongjiu.lu@intel.com>

	* value-prof.c (stream_in_histogram_value): Remove the strayed
	debug_gimple_stmt.

2013-04-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/57122
	* cfghooks.c (split_edge): Properly check for the loop latch edge.

2013-04-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/57107
	* tree-eh.c (sink_clobbers): Preserve virtual SSA form.

2013-04-30  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/56957
	PR rtl-optimization/57105
	* sel-sched.c (move_op_orig_expr_found): Remove insn_emitted
	variable.  Use just INSN_UID for determining whether an insn
	should be only disconnected from the insn stream.
	* sel-sched-ir.h (EXPR_WAS_CHANGED): Remove.

2013-04-30  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57104
	* tsan.c (instrument_expr): Don't instrument accesses to
	DECL_HARD_REGISTER VAR_DECLs.

2013-04-30  Richard Biener  <rguenther@suse.de>

	* function.h (loops_for_fn): New inline function.
	(set_loops_for_fn): Likewise.
	* cfgloop.h (place_new_loop): Add struct function parameter.
	(get_loop): Likewise.
	(get_loops): Likewise.
	(number_of_loops): Likewise.
	(fel_next): Adjust.
	(fel_init): Likewise.
	* cfg.c (get_loop_copy): Adjust.
	* cfgloop.c (flow_loops_dump): Likewise.
	(record_loop_exits): Likewise.
	(verify_loop_structure): Likewise.
	* cfgloopanal.c (mark_irreducible_loops): Likewise.
	(estimate_reg_pressure_cost): Likewise.
	(mark_loop_exit_edges): Likewise.
	* cfgloopmanip.c (place_new_loop): Likewise.
	(add_loop): Likewise.
	(duplicate_loop): Likewise.
	* graph.c (draw_cfg_nodes): Likewise.
	* graphite-clast-to-gimple.c (translate_clast_user): Likewise.
	* graphite-sese-to-poly.c (build_scop_scattering): Likewise.
	(extract_affine_chrec): Likewise.
	(build_scop_iteration_domain): Likewise.
	* graphite.c (graphite_initialize): Likewise.
	* ira-build.c (create_loop_tree_nodes): Likewise.
	(more_one_region_p): Likewise.
	(rebuild_regno_allocno_maps): Likewise.
	(mark_loops_for_removal): Likewise.
	(mark_all_loops_for_removal): Likewise.
	(remove_unnecessary_regions): Likewise.
	(ira_build): Likewise.
	* ira-emit.c (setup_entered_from_non_parent_p): Likewise.
	* loop-init.c (fix_loop_structure): Likewise.
	(gate_rtl_move_loop_invariants): Likewise.
	(gate_rtl_unswitch): Likewise.
	(gate_rtl_unroll_and_peel_loops): Likewise.
	(rtl_doloop): Likewise.
	* lto-streamer-in.c (input_cfg): Likewise.
	* lto-streamer-out.c (output_cfg): Likewise.
	* modulo-sched.c (sms_schedule): Likewise.
	* predict.c (tree_estimate_probability): Likewise.
	(tree_estimate_probability_driver): Likewise.
	(estimate_loops): Likewise.
	* tree-cfg.c (fixup_loop_arrays_after_move): Likewise.
	(move_sese_region_to_fn): Likewise.
	(debug_loop_num): Likewise.
	* tree-chrec.c (chrec_evaluate): Likewise.
	(hide_evolution_in_other_loops_than_loop): Likewise.
	(chrec_component_in_loop_num): Likewise.
	(reset_evolution_in_loop): Likewise.
	(evolution_function_is_invariant_rec_p): Likewise.
	* tree-if-conv.c (main_tree_if_conversion): Likewise.
	* tree-inline.c (copy_loops): Likewise.
	(copy_cfg_body): Likewise.
	(tree_function_versioning): Likewise.
	* tree-loop-distribution.c (rdg_flag_loop_exits): Likewise.
	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
	Likewise.
	(add_to_evolution_1): Likewise.
	(scev_const_prop): Likewise.
	* tree-scalar-evolution.h (get_chrec_loop): Likewise.
	* tree-ssa-loop-ch.c (copy_loop_headers): Likewise.
	* tree-ssa-loop-im.c (analyze_memory_references): Likewise.
	(tree_ssa_lim_initialize): Likewise.
	* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): Likewise.
	(verify_loop_closed_ssa): Likewise.
	* tree-ssa-loop.c  (tree_ssa_loop_init): Likewise.
	(tree_ssa_loop_im): Likewise.
	(tree_ssa_loop_unswitch): Likewise.
	(tree_vectorize): Likewise.
	(check_data_deps): Likewise.
	(tree_ssa_loop_ivcanon): Likewise.
	(tree_ssa_loop_bounds): Likewise.
	(tree_complete_unroll): Likewise.
	(tree_complete_unroll_inner): Likewise.
	(tree_parallelize_loops): Likewise.
	(tree_ssa_loop_prefetch): Likewise.
	(tree_ssa_loop_ivopts): Likewise.
	* tree-ssa.c (execute_update_addresses_taken): Liekwise.
	* tree-vectorizer.c (vectorize_loops): Likewise.

2013-04-29  Mike Frysinger  <vapier@gentoo.org>

	* config/arm/bpabi.h (EABI_LINK_SPEC): Define.
	(BPABI_LINK_SPEC): Use new EABI_LINK_SPEC.
	* config/arm/linux-eabi.h (LINK_SPEC): Replace BE8_LINK_SPEC
	with EABI_LINK_SPEC.

2013-04-29  Uros Bizjak  <ubizjak@gmail.com>

	PR target/44578
	* config/i386/i386.md (*zero_extendsidi2): Add "!" to m->?*y
	alternative.

2013-04-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/57097
	* lra-constraints.c (process_alt_operands): Discourage a bit more
	using memory for pseudos.  Print cost dump for alternatives.
	Modify cost values for conflicts with early clobbers.
	(curr_insn_transform): Spill pseudos reassigned to NO_REGS.

2013-04-29  Uros Bizjak  <ubizjak@gmail.com>

	PR target/57098
	* config/i386/i386.c (ix86_expand_vec_perm): Validize constant memory.

2013-04-29  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (movsi_aarch64): Support LDR/STR
	from/to S register.
	(movdi_aarch64): Support LDR/STR from/to D register.

2013-04-29  Ian Bolton  <ian.bolton@arm.com>

	* common/config/aarch64/aarch64-common.c: Enable REE pass at O2
	or higher by default.

2013-04-29  Richard Biener  <rguenther@suse.de>

	PR middle-end/57075
	* tree-inline.c (copy_edges_for_bb): Still split the bbs,
	even if not adding abnormal edges for calls that can make
	abnormal gotos.

2013-04-29  Richard Biener  <rguenther@suse.de>

	PR middle-end/57103
	* tree-cfg.c (move_stmt_op): Fix condition under which to update
	TREE_BLOCK.
	(move_stmt_r): Remove redundant checking.

2013-04-29  Teresa Johnson  <tejohnson@google.com>

	PR bootstrap/57077
	* basic-block.h (apply_scale): New function.
	(apply_probability): Use apply_scale.
	* gimple-streamer-in.c (input_bb): Ditto.
	* lto-streamer-in.c (input_cfg): Ditto.
	* lto-cgraph.c (merge_profile_summaries): Ditto.
	* tree-optimize.c (execute_fixup_cfg): Ditto.
	* tree-inline.c (copy_bb): Update comment to use apply_scale.
	(copy_edges_for_bb): Ditto.
	(copy_cfg_body): Ditto.

2013-04-29  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c (find_same_succ_bb): Skip loop latch bbs.
	(replace_block_by): Don't set LOOPS_NEED_FIXUP.
	(tail_merge_optimize): Handle current_loops == NULL.

2013-04-26  Jeff Law  <law@redhat.com>

	* tree-vrp.c (range_fits_type_p): Move to earlier point in file.
	(simplify_cond_using_ranges): Generalize code to simplify
	COND_EXPRs where one argument is a constant and the other
	is an SSA_NAME created by an integral type conversion.

2013-04-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (store_minmaxsi): Use only when
	optimize_insn_for_size_p.

2013-04-29  Christian Bruel  <christian.bruel@st.com>

	PR target/57108
	* sh.md (tstsi_t_zero_extract_eq): Set mode for operand 0.

2013-04-29  Richard Biener  <rguenther@suse.de>

	PR middle-end/57089
	* omp-low.c (expand_omp_taskreg): If the parent function had a broken
	loop tree make sure to schedule a fixup for the child as well.
	(expand_omp_for_generic): Properly add loops.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	(expand_omp_for): For the degenerate case fixup loops.
	(expand_omp_sections): Fix default bb placement in loops.
	(expand_omp_atomic_pipeline): Properly add loops.

2013-04-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* predict.c: Fix typo in comment above #define PROB_VERY_UNLIKELY.

2013-04-29  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c: Update header comment.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h
	(vcvt<sd>_f<32,64>_s<32,64>): Rewrite in C.
	(vcvt<q>_f<32,64>_s<32,64>): Rewrite using builtins.
	(vcvt_<high_>_f<32,64>_f<32,64>): Likewise.
	(vcvt<qsd>_<su><32,64>_f<32,64>): Likewise.
	(vcvta<qsd>_<su><32,64>_f<32,64>): Likewise.
	(vcvtm<qsd>_<su><32,64>_f<32,64>): Likewise.
	(vcvtn<qsd>_<su><32,64>_f<32,64>): Likewise.
	(vcvtp<qsd>_<su><32,64>_f<32,64>): Likewise.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(<optab><VDQF:mode><fcvt_target>2): New, maps to fix, fixuns.
	(<fix_trunc_optab><VDQF:mode><fcvt_target>2): New, maps to
	fix_trunc, fixuns_trunc.
	(ftrunc<VDQF:mode>2): New.
	* config/aarch64/iterators.md (optab): Add fix, fixuns.
	(fix_trunc_optab): New.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Vectorize over ifloorf,
	iceilf, lround, iroundf.

2013-04-29  Uros Bizjak  <ubizjak@gmail.com>

	PR target/54349
	* config/i386/i386.h (enum ix86_tune_indices)
	<X86_TUNE_INTER_UNIT_MOVES_TO_VEC, X86_TUNE_INTER_UNIT_MOVES_FROM_VEC>:
	New, split from X86_TUNE_INTER_UNIT_MOVES.
	<X86_TUNE_INTER_UNIT_MOVES>: Remove.
	(TARGET_INTER_UNIT_MOVES_TO_VEC): New define.
	(TARGET_INTER_UNIT_MOVES_FROM_VEC): Ditto.
	(TARGET_INTER_UNIT_MOVES): Remove.
	* config/i386/i386.c (initial_ix86_tune_features): Update.
	Disable X86_TUNE_INTER_UNIT_MOVES_FROM_VEC for m_ATHLON_K8 only.
	(ix86_expand_convert_uns_didf_sse): Use
	TARGET_INTER_UNIT_MOVES_TO_VEC instead of TARGET_INTER_UNIT_MOVES.
	(ix86_expand_vector_init_one_nonzero): Ditto.
	(ix86_expand_vector_init_interleave): Ditto.
	(inline_secondary_memory_needed): Return true for moves from SSE class
	registers for !TARGET_INTER_UNIT_MOVES_FROM_VEC targets and for moves
	to SSE class registers for !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
	* config/i386/constraints.md (Yi, Ym): Depend on
	TARGET_INTER_UNIT_MOVES_TO_VEC.
	(Yj, Yn): New constraints.
	* config/i386/i386.md (*movdi_internal): Change constraints of
	operand 1 from Yi to Yj and from Ym to Yn.
	(*movsi_internal): Ditto.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.
	(*float<SWI48x:mode><X87MODEF:mode>2_1): Use
	TARGET_INTER_UNIT_MOVES_TO_VEC instead of TARGET_INTER_UNIT_MOVES.
	(*float<SWI48x:mode><X87MODEF:mode>2_1 splitters): Ditto.
	(floatdi<X87MODEF:mode>2_i387_with_xmm): Ditto.
	(floatdi<X87MODEF:mode>2_i387_with_xmm splitters): Ditto.
	* config/i386/sse.md (movdi_to_sse): Ditto.
	(sse2_stored): Change constraint of operand 1 from Yi to Yj.
	Use TARGET_INTER_UNIT_MOVES_FROM_VEC instead of
	TARGET_INTER_UNIT_MOVES.
	(sse_storeq_rex64): Change constraint of operand 1 from Yi to Yj.
	(sse_storeq_rex64 splitter): Use TARGET_INTER_UNIT_MOVES_FROM_VEC
	instead of TARGET_INTER_UNIT_MOVES.
	* config/i386/mmx.md (*mov<mode>_internal): Change constraint of
	operand 1 from Yi to Yj and from Ym to Yn.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi_): New.
	(float_truncate_hi_): Likewise.
	(float_extend_lo_): Likewise.
	(float_truncate_lo_): Likewise.
	* config/aarch64/aarch64-simd.md (vec_unpacks_lo_v4sf): New.
	(aarch64_float_extend_lo_v2df): Likewise.
	(vec_unpacks_hi_v4sf): Likewise.
	(aarch64_float_truncate_lo_v2sf): Likewise.
	(aarch64_float_truncate_hi_v4sf): Likewise.
	(vec_pack_trunc_v2df): Likewise.
	(vec_pack_trunc_df): Likewise.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_fold_builtin): Fold float conversions.
	* config/aarch64/aarch64-simd-builtins.def
	(floatv2si, floatv4si, floatv2di): New.
	(floatunsv2si, floatunsv4si, floatunsv2di): Likewise.
	* config/aarch64/aarch64-simd.md
	(<optab><fcvt_target><VDQF:mode>2): New, expands to float and floatuns.
	* config/aarch64/iterators.md (FLOATUORS): New.
	(optab): Add float, floatuns.
	(su_optab): Likewise.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Use new names for
	fcvt builtins.
	* config/aarch64/aarch64-simd-builtins.def (fcvtzs): Split as...
	(lbtruncv2sf, lbtruncv4sf, lbtruncv2df): ...This.
	(fcvtzu): Split as...
	(lbtruncuv2sf, lbtruncuv4sf, lbtruncuv2df): ...This.
	(fcvtas): Split as...
	(lroundv2sf, lroundv4sf, lroundv2df, lroundsf, lrounddf): ...This.
	(fcvtau): Split as...
	(lrounduv2sf, lrounduv4sf, lrounduv2df, lroundusf, lroundudf): ...This.
	(fcvtps): Split as...
	(lceilv2sf, lceilv4sf, lceilv2df): ...This.
	(fcvtpu): Split as...
	(lceiluv2sf, lceiluv4sf, lceiluv2df, lceilusf, lceiludf): ...This.
	(fcvtms): Split as...
	(lfloorv2sf, lfloorv4sf, lfloorv2df): ...This.
	(fcvtmu): Split as...
	(lflooruv2sf, lflooruv4sf, lflooruv2df, lfloorusf, lfloorudf): ...This.
	(lfrintnv2sf, lfrintnv4sf, lfrintnv2df, lfrintnsf, lfrintndf): New.
	(lfrintnuv2sf, lfrintnuv4sf, lfrintnuv2df): Likewise.
	(lfrintnusf, lfrintnudf): Likewise.
	* config/aarch64/aarch64-simd.md
	(l<fcvt_pattern><su_optab><fcvt_target><VDQF:mode>2): Convert to
	define_insn.
	(aarch64_fcvt<frint_suffix><su><mode>): Remove.
	* config/aarch64/iterators.md (FCVT): Include UNSPEC_FRINTN.
	(fcvt_pattern): Likewise.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(l<fcvt_pattern><su_optab><fcvt_target><VDQF:mode>2): Rename to...
	(l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): ... This.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h (vrndq<a,m,n,p>_f<32, 64>): Rename to...
	(vrnd<a,m,n,p>q_f<32, 64>): ...This, implement using builtin.
	(vrnd<a,m,n,p>_f32): Implement using builtins.
	(vrnd<i,x><q>_f<32, 64>): New.

2013-04-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Fold to standard pattern names.
	* config/aarch64/aarch64-simd-builtins.def (frintn): New.
	(frintz): Rename to...
	(btrunc): ...this.
	(frintp): Rename to...
	(ceil): ...this.
	(frintm): Rename to...
	(floor): ...this.
	(frinti): Rename to...
	(nearbyint): ...this.
	(frintx): Rename to...
	(rint): ...this.
	(frinta): Rename to...
	(round): ...this.
	* config/aarch64/aarch64-simd.md
	(aarch64_frint<frint_suffix><mode>): Delete.
	(<frint_pattern><mode>2): Convert to insn.
	* config/aarch64/aarch64.md (unspec): Add UNSPEC_FRINTN.
	* config/aarch64/iterators.md (FRINT): Add UNSPEC_FRINTN.
	(frint_pattern): Likewise.
	(frint_suffix): Likewise.

2013-04-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57081
	* loop-init.c: Include tree-flow.h.
	(loop_optimizer_finalize): Free number of iteration estimates.
	* Makefile.in (loop-init.o): Add $(TREE_FLOW_H) dependency.

2013-04-29  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57083
	* tree-vrp.c (extract_range_from_binary_expr_1): For LSHIFT_EXPR with
	non-singleton shift count range, zero extend low_bound for uns case.

	* config/i386/predicates.md (general_vector_operand): New predicate.
	* config/i386/i386.c (const_vector_equal_evenodd_p): New function.
	(ix86_expand_mul_widen_evenodd): Force op1 resp. op2 into register
	if they aren't nonimmediate operands.  If their original values
	satisfy const_vector_equal_evenodd_p, don't shift them.
	* config/i386/sse.md (mul<mode>3): Use general_vector_operand
	predicates.  For the SSE4.1 case force operands[{1,2}] into registers
	if not nonimmediate_operand.
	(vec_widen_smult_even_v4si): Use nonimmediate_operand predicates
	instead of register_operand.
	(vec_widen_<s>mult_odd_<mode>): Use general_vector_operand predicates.

2013-04-28  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (finalize_size_functions): Allocate a structure and
	reset cfun before dumping the functions.

2013-04-27  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_expand_call): Make cregs_size unsigned.

	PR target/56866
	* config/i386/i386.c (ix86_expand_mul_widen_evenodd): Don't
	use xop_pmacsdqh if uns_p.
	* config/i386/sse.md (xop_rotr<mode>3): Fix up computation of
	the immediate rotate count.

2013-04-26  Vladimir Makarov  <vmakarov@redhat.com>

	* rtl.h (struct rtx_def): Add comment for field jump.
	(LRA_SUBREG_P): New macro.
	* recog.c (register_operand): Check LRA_SUBREG_P.
	* lra.c (lra): Add note at the end of RTL code. Align non-empty
	stack frame.
	* lra-spills.c (lra_spill): Align stack after spilling pseudos.
	(lra_final_code_change): Skip subreg change for operators.
	* lra-eliminations.c (eliminate_regs_in_insn): Make return earlier
	if there are no operand changes.
	* lra-constraints.c (curr_insn_set): New.
	(match_reload): Set LRA_SUBREG_P.
	(emit_spill_move): Ditto.
	(check_and_process_move): Use curr_insn_set. Process only single
	set insns.  Don't initialize sec_mem_p and change_p.
	(simplify_operand_subreg): Use LRA_SUBREG_P.
	(reg_in_class_p): New function.
	(process_alt_operands): Use it.  Use #if HAVE_ATTR_enabled instead
	of #ifdef.  Add code to remove cycling.
	(process_address): Check EXTRA_CONSTRAINT_STR. Process even if
	non-null disp.  Reload inner instead of disp when base and index
	are null.  Try to put lo_sum into register.
	(EBB_PROBABILITY_CUTOFF): Redefine probability in percents.
	(check_and_process_move): Move code for move cost check to
	simple_move_p.  Remove equiv_substitution.
	(simple_move_p): New function.
	(curr_insn_transform): Initialize sec_mem_p and change_p.  Set up
	curr_insn_set.  Call check_and_process_move only for single set
	insns.  Use the new function.  Move call of check_and_process_move
	after operand equiv substitution and address process.

2013-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR go/57045
	* tree-ssa-uninit.c (compute_uninit_opnds_pos): In functions
	with nonlocal goto receivers or returns twice calls, ignore
	unininitialized values from abnormal edges to nl goto receiver
	or returns twice call.

2013-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/57051
	* fold-const.c (const_binop): Handle VEC_LSHIFT_EXPR
	and VEC_RSHIFT_EXPR if shift count is a multiple of element
	bitsize.

2013-04-26  Richard Biener  <rguenther@suse.de>

	* omp-low.c (finalize_task_copyfn): Do not drop PROP_loops.
	(expand_omp_taskreg): Likewise.  Mark loops for fixup.
	* tree-cfg.c (move_block_to_fn): Remap loop fathers.
	(fixup_loop_arrays_after_move): New function.
	(move_sese_region_to_fn): Properly outline the loop tree parts
	of the SESE region.

2013-04-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (type, unit): Fix long lines.

2013-04-26  Richard Biener  <rguenther@suse.de>

	* Makefile.in (lto-streamer-in.o): Add $(CFGLOOP_H) dependency.
	(lto-streamer-out.o): Likewise.
	* cfgloop.c (init_loops_structure): Export, add struct function
	argument and adjust.
	(flow_loops_find): Adjust.
	* cfgloop.h (enum loop_estimation): Add EST_LAST.
	(init_loops_structure): Declare.
	* lto-streamer-in.c: Include cfgloop.h.
	(input_cfg): Input the loop tree.
	* lto-streamer-out.c: Include cfgloop.h.
	(output_cfg): Output the loop tree.
	(output_struct_function_base): Do not drop PROP_loops.

2013-03-26  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (execute_build_cfg): Build the loop tree.
	(pass_build_cfg): Provide PROP_loops.
	(move_sese_region_to_fn): Remove loops that are outlined into fn
	for now.
	* tree-inline.c: Include cfgloop.h.
	(initialize_cfun): Do not drop PROP_loops.
	(copy_loops): New function.
	(copy_cfg_body): Copy loop structure.
	(tree_function_versioning): Initialize destination loop tree.
	* tree-ssa-loop.c (pass_tree_loop_init): Do not provide PROP_loops.
	(pass_parallelize_loops): Do IL verification.
	* loop-init.c (loop_optimizer_init): Fixup loops if required.
	* tree-optimize.c (execute_fixup_cfg): If we need to cleanup
	the CFG make sure we fixup loops as well.
	* tree-ssa-tail-merge.c: Include cfgloop.h.
	(replace_block_by): When merging loop latches mark loops for fixup.
	* lto-streamer-out.c (output_struct_function_base): Drop
	PROP_loops for now.
	* tree-ssa-phiopt.c: Include tree-scalar-evolution.h.
	(tree_ssa_cs_elim): Initialize the loop optimizer and SCEV.
	* ipa-split.c: Include cfgloop.h.
	(split_function): Add the new return block to the loop tree root.
	* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Return
	whether we have removed the forwarder block.
	(merge_phi_nodes): If we removed a forwarder mark loops for fixup.
	* cfgloop.h (place_new_loop): Declare.
	* cfgloopmanip.c (place_new_loop): Export.
	* Makefile.in (asan.o): Add $(CFGLOOP_H) dependency.
	(tree-switch-conversion.o): Likewise.
	(tree-complex.o): Likewise.
	(tree-inline.o): Likewise.
	(tree-ssa-tailmerge.o): Likewise.
	(ipa-split.o): Likewise.
	(tree-ssa-phiopt.o): Add $(SCEV_H) dependency.
	(tree-ssa-copy.o): Likewise.
	* tree-switch-conversion.c: Include cfgloop.h
	(process_switch): If we emit a bit-test cascade, schedule loops
	for fixup.
	* tree-complex.c: Include cfgloop.h.
	(expand_complex_div_wide): Properly add new basic-blocks to loops.
	* asan.c: Include cfgloop.h.
	(create_cond_insert_point): Properly add new basic-blocks to
	loops, schedule loop fixup.
	* cfgloop.c (verify_loop_structure): Check that looks are not
	marked for fixup.
	* omp-low.c (expand_parallel_call): Properly add new basic-blocks
	to loops.
	(expand_omp_for_generic): Likewise.
	(expand_omp_sections): Likewise.
	(expand_omp_atomic_pipeline): Schedule loops for fixup.
	* tree-ssa-copy.c: Include tree-scalar-evolution.h.
	(fini_copy_prop): Disable DCE in substitute_and_fold if SCEV
	is initialized, not when loops are present.
	* tree-parloops.c (parallelize_loops): Remove checking here.
	* passes.c (init_optimization_passes): Schedule a copy-propagation
	pass before complete unrolling of inner loops.

2013-04-26  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (toplev.o): Depend on diagnostic-color.h.
	* diagnostic-color.c (should_colorize): Remove _WIN32 version.
	(colorize_init): Add argument to _WIN32 version.
	* toplev.c: Include diagnostic-color.h.
	(process_options): Default to -fdiagnostics-color=auto if
	GCC_COLORS env var is in the environment.
	* common.opt (fdiagnostics-color=): Add Var and Init.
	* doc/invoke.texi (-fdiagnostics-color=): Document that if GCC_COLORS
	env var is in the environment, the default is auto rather than never.

	* diagnostic.h (file_name_as_prefix): Add context argument.
	* diagnostic.c (file_name_as_prefix): Likewise.  Colorize
	the string as locus.
	* langhooks.c (lhd_print_error_function): Adjust caller.

2013-04-25  Lawrence Crowl  <crowl@google.com>

	* var-tracking.c (shared_hash_def::htab):
	Change type to hash_table.  Update dependent calls and types.

2013-04-25  Lawrence Crowl  <crowl@google.com>

	* Makefile.in: Update as needed below.

	* alloc-pool.c (static hash_table <alloc_pool_hasher> alloc_pool_hash):
	Move declaration to after the type's method definitons.

	* attribs.c (htab_t scoped_attributes::attribute_hash):
	Change type to hash_table.  Update dependent calls and types.

	* bitmap.c (htab_t bitmap_desc_hash):
	Change type to hash_table.  Update dependent calls and types.

	* cselib.c (htab_t cselib_hash_table):
	Change type to hash_table.  Update dependent calls and types.

	* data-streamer.h (struct string_slot): Move to lto-streamer.h.
	(hash_string_slot_node): Move implementation into lto-streamer.h
	struct string_slot_hasher.
	(eq_string_slot_node): Likewise.

	* data-streamer-out.c: Update output_block::string_hash_table
	dependent calls and types.

	* dwarf2cfi.c (htab_t trace_index):
	Change type to hash_table.  Update dependent calls and types.

	* dwarf2out.c (htab_t break_out_includes::cu_hash_table):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t copy_decls_for_unworthy_types::decl_table): Likewise.
	(htab_t optimize_external_refs::map): Likewise.
	(htab_t output_comp_unit::extern_map): Likewise.
	(htab_t output_comdat_type_unit::extern_map): Likewise.
	(htab_t output_macinfo::macinfo_htab): Likewise.
	(htab_t optimize_location_lists::htab): Likewise.
	(htab_t dwarf2out_finish::comdat_type_table): Likewise.

	* except.c (htab_t ehspec_hash_type):
	Change type to hash_table.  Update dependent calls and types.
	(assign_filter_values::ttypes): Likewise.
	(assign_filter_values::ehspec): Likewise.
	(sjlj_assign_call_site_values::ar_hash): Likewise.
	(convert_to_eh_region_ranges::ar_hash): Likewise.

	* gcse.c (htab_t pre_ldst_table):
	Change type to hash_table.  Update dependent calls and types.

	* ggc-common.c (htab_t saving_htab):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t loc_hash): Likewise.
	(htab_t ptr_hash): Likewise.
	(call_count): Rename ggc_call_count.
	(call_alloc): Rename ggc_call_alloc.
	(loc_descriptor): Rename make_loc_descriptor.
	(add_statistics): Rename ggc_add_statistics.

	* ggc-common.c (saving_htab):
	Change type to hash_table.  Update dependent calls and types.

	* gimple.h (struct gimplify_ctx): Move to gimplify-ctx.h.
	(push_gimplify_context): Likewise.
	(pop_gimplify_context): Likewise.
	(struct gimple_temp_hash_elt): Added.
	(struct gimplify_hasher): Likewise.
	(struct gimplify_ctx.temp_htab):
	Change type to hash_table.  Update dependent calls and types.

	* gimple-fold.c: Include gimplify-ctx.h.

	* gimple-ssa-strength-reduction.c (htab_t base_cand_map):
	Change type to hash_table.  Update dependent calls and types.
	(base_cand_dump_callback): Rename to ssa_base_cand_dump_callback to
	avoid potential global name collision.

	* gimplify.c: Include gimplify-ctx.h.
	(struct gimple_temp_hash_elt): Move to gimplify-ctx.h.
	(htab_t gimplify_ctx::temp_htab):
	Update dependent calls and types for new type hash_table.
	(gimple_tree_hash): Move into gimplify_hasher in gimplify-ctx.h.
	(gimple_tree_eq): Move into gimplify_hasher in gimplify-ctx.h.

	* gimplify-ctx.h: New.
	(struct gimple_temp_hash_elt): Move from gimplify.c.
	(class gimplify_hasher): New.
	(struct gimplify_ctx): Move from gimple.h.
	(htab_t gimplify_ctx::temp_htab):
	Change type to hash_table.  Update dependent calls and types.

	* graphite-clast-to-gimple.c: Include graphite-htab.h.
	(htab_t ivs_params::newivs_index):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t ivs_params::params_index): Likewise.
	(htab_t print_generated_program::params_index): Likewise.
	(htab_t gloog::newivs_index): Likewise.
	(htab_t gloog::params_index): Likewise.

	* graphite.c: Include graphite-htab.h.
	4htab_t graphite_transform_loops::bb_pbb_mapping):
	Change type to hash_table.  Update dependent calls and types.

	* graphite-clast-to-gimple.h: (extern gloog) Move to graphite-htab.h.
	(bb_pbb_map_hash): Fold into bb_pbb_htab_type in graphite-htab.h.
	(eq_bb_pbb_map): Fold into bb_pbb_htab_type in graphite-htab.h.

	* graphite-dependences.c: Include graphite-htab.h.
	(loop_is_parallel_p): Change hash table type of parameter.

	* graphite-htab.h: New.
	(typedef hash_table <bb_pbb_hasher> bb_pbb_htab_type): New.
	(extern find_pbb_via_hash): Move from graphite-poly.h.
	(extern loop_is_parallel_p): Move from graphite-poly.h.
	(extern get_loop_body_pbbs): Move from graphite-poly.h.

	* graphite-poly.h (extern find_pbb_via_hash): Move to graphite-htab.h.
	(extern loop_is_parallel_p): Move to graphite-htab.h.
	(extern get_loop_body_pbbs): Move to graphite-htab.h.

	* haifa-sched.c (htab_t delay_htab):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t delay_htab_i2): Likewise.

	* ira-color.c (htab_t allocno_hard_regs_htab):
	Change type to hash_table.  Update dependent calls and types.

	* ira-costs.c (htab_t cost_classes_htab):
	Change type to hash_table.  Update dependent calls and types.

	* loop-invariant.c (htab_t merge_identical_invariants::eq):
	Change type to hash_table.  Update dependent calls and types.

	* loop-iv.c (htab_t bivs):
	Change type to hash_table.  Update dependent calls and types.

	* loop-unroll.c (htab_t opt_info::insns_to_split):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t opt_info::insns_with_var_to_expand): Likewise.

	* lto-streamer.h (struct string_slot): Move from data-streamer.h
	(struct string_slot_hasher): New.
	(htab_t output_block::string_hash_table):
	Change type to hash_table.  Update dependent calls and types.

	* lto-streamer-in.c (freeing_string_slot_hasher): New.
	(htab_t file_name_hash_table):
	Change type to hash_table.  Update dependent calls and types.

	* lto-streamer-out.c: Update output_block::string_hash_table dependent
	calls and types.

	* lto-streamer.c (htab_t tree_htab):
	Change type to hash_table.  Update dependent calls and types.

	* omp-low.c: Include gimplify-ctx.h.

	* passes.c (htab_t name_to_pass_map):
	Change type to hash_table.  Update dependent calls and types.
	(pass_traverse): Rename to passes_pass_traverse.

	* plugin.c (htab_t event_tab):
	Change type to hash_table.  Update dependent calls and types.

	* postreload-gcse.c (htab_t expr_table):
	Change type to hash_table.  Update dependent calls and types.
	(dump_hash_table_entry): Rename dump_expr_hash_table_entry.

	* sese.c (debug_rename_map_1): Make extern.
	(htab_t copy_bb_and_scalar_dependences::rename_map):
	Change type to hash_table.  Update dependent calls and types.

	* sese.h (extern debug_rename_map): Move to .c file.

	* store-motion.c (htab_t store_motion_mems_table):
	Change type to hash_table.  Update dependent calls and types.

	* trans-mem.c (htab_t tm_new_mem_hash):
	Change type to hash_table.  Update dependent calls and types.

	* tree-browser.c (htab_t TB_up_ht):
	Change type to hash_table.  Update dependent calls and types.

	* tree-cfg.c (htab_t discriminator_per_locus):
	Change type to hash_table.  Update dependent calls and types.

	* tree-complex.c: Include tree-hasher.h
	(htab_t complex_variable_components):
	Change type to hash_table.  Update dependent calls and types.

	* tree-eh.c (htab_t finally_tree):
	Change type to hash_table.  Update dependent calls and types.

	* tree-flow.h (extern int_tree_map_hash): Moved into tree-hasher
	struct int_tree_hasher.
	(extern int_tree_map_eq): Likewise.
	(uid_decl_map_hash): Removed.
	(extern decl_tree_map_eq): Likewise.

	* tree-hasher.h: New.
	(struct int_tree_hasher): New.
	(typedef int_tree_htab_type): New.

	* tree-inline.c: Include gimplify-ctx.h.

	* tree-mudflap.c: Include gimplify-ctx.h.

	* tree-parloops.c: Include tree-hasher.h.
	(htab_t eliminate_local_variables_stmt::decl_address):
	Change type to hash_table.  Update dependent calls and types.
	(htab_t separate_decls_in_region::decl_copies): Likewise.

	* tree-scalar-evolution.c (htab_t resolve_mixers::cache):
	Change type to hash_table.  Update dependent calls and types.

	* tree-sra.c (candidates):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa.c (int_tree_map_eq): Moved into struct int_tree_hasher
	in tree-flow.h.
	(int_tree_map_hash): Likewise.

	* tree-ssa-dom.c (htab_t avail_exprs):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-live.c (var_map_base_init::tree_to_index):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-loop-ivopts.c (struct ivopts_data.inv_expr_tab):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-phiopt.c (seen_ssa_names):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-strlen.c (decl_to_stridxlist_htab):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-uncprop.c (equiv):
	Change type to hash_table.  Update dependent calls and types.

2013-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/57003
	* regcprop.c (copyprop_hardreg_forward_1): If ksvd.ignore_set_reg,
	call note_stores with kill_clobbered_value callback again after
	killing regs_invalidated_by_call.

2013-04-25  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_simd_bsl<mode>_internal): Rewrite RTL to not use UNSPEC_BSL.
	(aarch64_simd_bsl<mode>): Likewise.
	* config/aarch64/iterators.md (unspec): Remove UNSPEC_BSL.

2013-04-25  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/57066
	* builtins.c (fold_builtin_logb): Return +Inf for -Inf.

2013-04-25  James Greenhalgh  <jame.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md (neg<mode>2): Use VDQ iterator.

2013-04-25  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_fold_builtin): New.
	* config/aarch64/aarch64-protos.h (aarch64_fold_builtin): New.
	* config/aarch64/aarch64.c (TARGET_FOLD_BUILTIN): Define.
	* config/aarch64/aarch64-simd-builtins.def (abs): New.
	* config/aarch64/arm_neon.h
	(vabs<q>_<f32, 64>): Implement using __builtin_aarch64_fabs.

2013-04-25  James Greenhalgh  <james.greenhalgh@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_gimple_fold_builtin): New.
	* config/aarch64/aarch64-protos.h (aarch64_gimple_fold_builtin): New.
	* config/aarch64/aarch64-simd-builtins.def (addv): New.
	* config/aarch64/aarch64-simd.md (addpv4sf): New.
	(addvv4sf): Update.
	* config/aarch64/aarch64.c (TARGET_GIMPLE_FOLD_BUILTIN): Define.

2013-04-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md
	(*cmp_swp_<optab><ALLX:mode>_shft_<GPI:mode>): New pattern.

2013-04-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md (*ngc<mode>): New pattern.
	(*ngcsi_uxtw): New pattern.

2013-04-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
	    Julian Brown  <julian@codesourcery.com>

	* config/arm/arm.c (neon_builtin_type_mode): Add T_V4HF.
	(TB_DREG): Add T_V4HF.
	(v4hf_UP): New macro.
	(neon_itype): Add NEON_FLOAT_WIDEN, NEON_FLOAT_NARROW.
	(arm_init_neon_builtins): Handle NEON_FLOAT_WIDEN, NEON_FLOAT_NARROW.
	Handle initialisation of V4HF. Adjust initialisation of reinterpret
	built-ins.
	(arm_expand_neon_builtin): Handle NEON_FLOAT_WIDEN, NEON_FLOAT_NARROW.
	(arm_vector_mode_supported_p): Handle V4HF.
	(arm_mangle_map): Handle V4HFmode.
	* config/arm/arm.h (VALID_NEON_DREG_MODE): Add V4HF.
	* config/arm/arm_neon_builtins.def: Add entries for
	vcvtv4hfv4sf, vcvtv4sfv4hf.
	* config/arm/neon.md (neon_vcvtv4sfv4hf): New pattern.
	(neon_vcvtv4hfv4sf): Likewise.
	* config/arm/neon-gen.ml: Handle half-precision floating point
	features.
	* config/arm/neon-testgen.ml: Handle Requires_FP_bit feature.
	* config/arm/arm_neon.h: Regenerate.
	* config/arm/neon.ml (type elts): Add F16.
	(type vectype): Add T_float16x4, T_floatHF.
	(type vecmode): Add V4HF.
	(type features): Add Requires_FP_bit feature.
	(elt_width): Handle F16.
	(elt_class): Likewise.
	(elt_of_class_width): Likewise.
	(mode_of_elt): Refactor.
	(type_for_elt): Handle F16, fix error messages.
	(vectype_size): Handle T_float16x4.
	(vcvt_sh): New function.
	(ops): Add entries for vcvt_f16_f32, vcvt_f32_f16.
	(string_of_vectype): Handle T_floatHF, T_float16, T_float16x4.
	(string_of_mode): Handle V4HF.
	* doc/arm-neon-intrinsics.texi: Regenerate.

2013-04-25  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_print_operand): Fix asm_fprintf
	format specifier in 'X' case.

2013-04-25  Alan Modra  <amodra@gmail.com>

	PR target/57052
	* config/rs6000/rs6000.md (rotlsi3_internal7): Rename to
	rotlsi3_internal7le and condition on !BYTES_BIG_ENDIAN.
	(rotlsi3_internal8be): New BYTES_BIG_ENDIAN insn.
	Repeat for many other rotate/shift and mask patterns using subregs.
	Name lshiftrt insns.
	(ashrdisi3_noppc64): Rename to ashrdisi3_noppc64be and condition
	on WORDS_BIG_ENDIAN.

2013-04-25  Alan Modra  <amodra@gmail.com>

	* config.gcc: Support little-endian powerpc-linux targets.
	* config/rs6000/linux.h (LINK_OS_LINUX_EMUL): Define.
	(LINK_OS_LINUX_SPEC): Define.
	* config/rs6000/linuxspe.h (TARGET_DEFAULT):
	Preserve MASK_LITTLE_ENDIAN.
	* config/rs6000/default64.h (TARGET_DEFAULT): Likewise.
	* config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Likewise.
	* config/rs6000/linux64.h (OPTION_LITTLE_ENDIAN): Don't zero.
	(LINK_OS_LINUX_EMUL32, LINK_OS_LINUX_EMUL64): Define.
	(LINK_OS_LINUX_SPEC32, LINK_OS_LINUX_SPEC64): Use above.
	* config/rs6000/rs6000.c (output_toc): Don't use .tc for TARGET_ELF.
	Correct fp word order for little-endian.  Don't shift toc entries
	smaller than a word for little-endian.
	* config/rs6000/rs6000.md (bswaphi2, bswapsi2 split): Comment.
	(bswapdi2 splits): Correct low-part subreg for little-endian.
	Remove wrong BYTES_BIG_ENDIAN tests, and rename vars to remove
	low/high where such is correct only for be.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Allow
	little-endian for -mcall-aixdesc.

2013-04-25  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Use
	replace_equiv_address_nv.

2013-04-25  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_emit_set_long_const): Tidy.

2013-04-24  Vladimir Makarov  <vmakarov@redhat.com>

	Revert:
	2013-04-24  Vladimir Makarov  <vmakarov@redhat.com>
	* rtl.h (struct rtx_def): ...

2013-04-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimizations/57046
	* lra-constraints (split_reg): Set up lra_risky_transformations_p
	for multi-reg splits.

2013-04-24  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/x86-64.h (ASM_SPEC): Support -mx32.

2013-04-24  Sterling Augustine  <saugustine@google.com>

	* dwarf2out.c (skeleton_debug_str_hash, add_skeleton_AT_string)
	(comp_dir_string, debug_str_dwo_section): New.
	(DEBUG_STR_DWO_SECTION): Rename to ...
	(DEBUG_DWO_STR_SECTION): ... this.
	(DEBUG_NORM_STR_SECTION): Delete.
	(DEBUG_STR_SECTION, DEBUG_STR_SECTION_FLAGS): Edit definitions.
	(DEBUG_STR_DWO_SECTION_FLAGS): New.
	(find_AT_string): Move most logic to ...
	(find_AT_string_in_table): ... here.  New.
	(add_top_level_skeleton_die_attrs): Call comp_dir_string and
	add_skeleton_AT_string.  Delete logic.
	(output_skeleton_debug_sections): Remove call to
	add_top_level_skeleton_die_attrs.
	(add_comp_dir_attribute): Move logic to comp_dir_string.
	(dwarf2out_init): Initialize debug_str_dwo_section.
	(output_indirect_string): Call find_string_form.
	(output_indirect_strings): Rewrite.
	(prune_unused_types): Empty skeleton_debug_str_hash.
	Call get_skeleton_type_unit and add_top_level_skeleton_die_attrs.
	(dwarf2out_finish):  Call output_indirect_strings.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* doc/cpp.texi: Remove __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-24  Vladimir Makarov  <vmakarov@redhat.com>

	* rtl.h (struct rtx_def): Add comment for field jump.
	(LRA_SUBREG_P): New macro.
	* recog.c (register_operand): Check LRA_SUBREG_P.
	* lra.c (lra): Add note at the end of RTL code. Align non-empty
	stack frame.
	* lra-spills.c (lra_spill): Align stack after spilling pseudos.
	(lra_final_code_change): Skip subreg change for operators.
	* lra-eliminations.c (eliminate_regs_in_insn): Make return earlier
	if there are no operand changes.
	* lra-constraints.c (curr_insn_set): New.
	(match_reload): Set LRA_SUBREG_P.
	(emit_spill_move): Ditto.
	(check_and_process_move): Use curr_insn_set. Process only single
	set insns.  Don't initialize sec_mem_p and change_p.
	(simplify_operand_subreg): Use LRA_SUBREG_P.
	(reg_in_class_p): New function.
	(process_alt_operands): Use it.  Use #if HAVE_ATTR_enabled instead
	of #ifdef.  Add code to remove cycling.
	(process_address): Check EXTRA_CONSTRAINT_STR. Process even if
	non-null disp.  Reload inner instead of disp when base and index
	are null.  Try to put lo_sum into register.
	(EBB_PROBABILITY_CUTOFF): Redefine probability in percents.
	(check_and_process_move): Move code for move cost check to
	simple_move_p.  Remove equiv_substitution.
	(simple_move_p): New function.
	(curr_insn_transform): Initialize sec_mem_p and change_p.  Set up
	curr_insn_set.  Call check_and_process_move only for single set
	insns.  Use the new function.  Move call of check_and_process_move
	after operand equiv substitution and address process.

2013-04-24  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h (vld1<q>_lane*): Fix constraints.
	(vld1<q>_dup_<sufp><8, 16, 32, 64>): Likewise.
	(vld1<q>_<sufp><8, 16, 32, 64>): Likewise.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* doc/cpp.texi: Document __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-24  Marek Polacek  <polacek@redhat.com>

	* tree-scalar-evolution.h (analyze_scalar_evolution): Remove.
	* tree-scalar-evolution.c (get_exit_conditions_rec): Likewise.
	(select_loops_exit_conditions): Likewise.
	(number_of_iterations_for_all_loops): Likewise.
	(analyze_scalar_evolution_for_all_loop_phi_nodes): Likewise.
	(scev_analysis): Likewise.

2013-04-02  Catherine Moore  <clm@codesourcery.com>
	    Chao-ying Fu <fu@mips.com>

	* config/mips/micromips.md (jraddiusp): New pattern.
	* config/mips/mips.c (mips_expand_epilogue): Use the JRADDIUSP
	instruction if possible.

2013-04-24  Alan Modra  <amodra@gmail.com>

	* config/rs6000/driver-rs6000.c (elf_dcachebsize): Fix comment pasto.

2013-04-24  Julian Brown  <julian@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>

	* dwarf2out.c (gen_enumeration_type_die): Fix HOST_BITS_PER_WIDE_INT
	dependency behavior in enumeration type DIE generation. Add TODO note
	to comments about future DW_FORM_sdata/udata re-work of related code.

2013-04-23  Lawrence Crowl  <crowl@google.com>

	* Makefile.in: Update as needed below.

	* hash-table.h (class hash_table):
	Correct many methods with parameter types compare_type to the correct
	value_type.  (Correct code was unlikely to notice the change.)
	(hash_table::elements_with_deleted) New.
	(class hashtable::iterator): New.
	(hashtable::begin()): New.
	(hashtable::end()): New.
	(FOR_EACH_HASH_TABLE_ELEMENT): New.

	* statistics.c (statistics_hashes):
	Change type to hash_table.  Update dependent calls and types.

	* tree-into-ssa.c (var_infos):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-coalesce.c (struct coalesce_list_d.list):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-loop-im.c (struct mem_ref.refs):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-reassoc.c (undistribute_ops_list::ctable):
	Change type to hash_table.  Update dependent calls and types.

	* tree-ssa-sccvn.c (vn_tables_s::nary):
	Change type to hash_table.  Update dependent calls and types.
	(vn_tables_s::phis): Likewise.
	(vn_tables_s::references): Likewise.

	* tree-ssa-sccvn.h (vn_nary_op_eq): Update parameter and return types.
	(vn_reference_eq): Update parameter and return types.

	* tree-ssa-structalias.c (pointer_equiv_class_table):
	Change type to hash_table.  Update dependent calls and types.
	(location_equiv_class_table): Likewise.

	* tree-vect-data-refs.c: Consequential changes for making
	peeling a hash_table.

	* tree-vect-loop.c (new_loop_vec_info): Dependent hash_table update.
	(destroy_loop_vec_info): Dependent hash_table update.

	* tree-vectorizer.h (peeling_htab):
	Change type to hash_table.  Update dependent calls and types.

2013-04-23  Shiva Chen  <shiva0217@gmail.com>

	* lra-assigns.c (find_hard_regno_for): Use lra_reg_val_equal_p
	to check the register content is equal or not.
	* lra-constraints.c (match_reload): Use lra_assign_reg_val
	to assign register content record.
	* lra-eliminations.c (update_reg_eliminate): Use
	lra_update_reg_val_offset to update register content offset.
	* lra-int.h (struct lra_reg): Add offset member.
	(lra_reg_val_equal_p): New static inline function.
	(lra_update_reg_val_offset): New static inline function.
	(lra_assign_reg_val): New static inline function.
	* lra.c (lra_create_new_reg): Use lra_assign_reg_val
	to assign register content record.
	(initialize_lra_reg_info_element): Initial offset to zero.

2013-04-23  Catherine Moore  <clm@codesourcery.com>

	* config/mips/mips.md (*movhi_internal, *movqi_internal): New
	operands.  Record compression.

2013-04-23  Xinliang David Li  <davidxl@google.com>

	* cfghhooks.c (dump_bb_for_graph): Support 'slim' graph dump.

2013-04-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/57036
	* tree-inline.c (copy_edges_for_bb): Add can_make_abnormal_goto
	parameter, only add abnormal goto edges from the copied body
	if the call could perform abnormal gotos.
	(copy_cfg_body): Adjust.

2013-04-23  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md (*mov<mode>_aarch64): Add simd attribute.

2013-04-23  Andreas Schwab  <schwab@linux-m68k.org>

	* coretypes.h (gimple_stmt_iterator): Add struct to make
	compatible with C.

2013-04-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57026
	* tree-vrp.c (simplify_conversion_using_ranges): Do not propagate
	from SSA names occuring in abnormal PHI nodes.

2013-04-22  Andi Kleen  <ak@linux.intel.com>

	* lto/lto.c (print_lto_report_1): Fix LTO report names.

2013-04-22  Andi Kleen  <ak@linux.intel.com>

	* lto/lto.c (print_lto_report_1): Declare early.
	(read_cgraph_and_symbols): Call print_lto_report_1 early.

2013-04-22  Andi Kleen  <ak@linux.intel.com>

	* common.opt (-flto-report-wpa): Add.
	* doc/invoke.texi (-flto-report-wpa): Add.
	* lto/lto.c (do_whole_program_analysis): Check for lto-report-wpa.
	(lto_main): dito.

2013-04-22  Xinliang David Li  <davidxl@google.com>

	* graph.c (draw_cfg_node_succ_edges): Add branch probility as label.
	* cfghhooks.c (dump_bb_for_graph): Dump profile count and frquency.
	* Makefile.in: New dependency

	    David Daney <ddaney.cavm@gmail.com>

	* configure.ac (gcc_cv_as_micromips_support):  Use the
	--fatal-warnings option.
	* configure: Regenerate.

2013-04-22  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/56990
	* tsan.c (instrument_expr): Don't instrument expression
	in case its size is zero.

2013-04-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/57032
	Revert:
	2013-03-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (TARGET_LRA_P): New define.

2013-04-22  James Greenhalgh  <james.greenhalgh@arm.com>

	* coretypes.h (gimple_stmt_iterator_d): Forward declare.
	(gimple_stmt_iterator): New typedef.
	* gimple.h (gimple_stmt_iterator): Rename to...
	(gimple_stmt_iterator_d): ... This.
	* doc/tm.texi.in (TARGET_FOLD_BUILTIN): Detail restriction that
	trees be valid for GIMPLE and GENERIC.
	(TARGET_GIMPLE_FOLD_BUILTIN): New.
	* gimple-fold.c (gimple_fold_call): Call target hook
	gimple_fold_builtin.
	* hooks.c (hook_bool_gsiptr_false): New.
	* hooks.h (hook_bool_gsiptr_false): New.
	* target.def (fold_stmt): New.
	* doc/tm.texi: Regenerate.

2013-04-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/57018
	* lra-eliminations.c (mark_not_eliminable): Prevent elimination of
	a set sp if no stack realignment.

2013-04-22  Nick Clifton  <nickc@redhat.com>

	* config.gcc (tilegx-linux): Extend extra_objs rather than
	overwriting it.
	(tilepro-linux): Likewise.

2013-04-22  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(CF): Remove.
	(CF0, CF1, CF2, CF3, CF4, CF10): New.
	(VAR<1-12>): Add MAP parameter.
	(BUILTIN_*): Likewise.
	* config/aarch64/aarch64-simd-builtins.def: Set MAP parameter.
	* config/aarch64/aarch64-simd.md (aarch64_sshl_n<mode>): Remove.
	(aarch64_ushl_n<mode>): Likewise.
	(aarch64_sshr_n<mode>): Likewise.
	(aarch64_ushr_n<mode>): Likewise.
	(aarch64_<maxmin><mode>): Likewise.
	(aarch64_sqrt<mode>): Likewise.
	* config/aarch64/arm_neon.h (vshl<q>_n_*): Use new builtin names.
	(vshr<q>_n_*): Likewise.

2013-04-22  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_simd_builtin_type_mode): Handle SF types.
	(sf_UP): Define.
	(BUILTIN_GPF): Define.
	(aarch64_init_simd_builtins): Handle SF types.
	* config/aarch64/aarch64-simd-builtins.def (frecpe): Add support.
	(frecps): Likewise.
	(frecpx): Likewise.
	* config/aarch64/aarch64-simd.md
	(simd_types): Update simd_frcp<esx> to simd_frecp<esx>.
	(aarch64_frecpe<mode>): New.
	(aarch64_frecps<mode>): Likewise.
	* config/aarch64/aarch64.md (unspec): Add UNSPEC_FRECP<ESX>.
	(v8type): Add frecp<esx>.
	(aarch64_frecp<FRECP:frecp_suffix><mode>): New.
	(aarch64_frecps<mode>): Likewise.
	* config/aarch64/iterators.md (FRECP): New.
	(frecp_suffix): Likewise.
	* config/aarch64/arm_neon.h
	(vrecp<esx><qsd>_<fd><32, 64>): Convert to using builtins.

2013-04-22  Christian Bruel  <christian.bruel@st.com>

	PR target/56995
	* config/sh/sh.h (enum reg_class): Remove DF_HI_REGS.
	(REG_CLASS_NAMES): Idem.
	(REG_CLASS_CONTENTS): Idem.
	(REGCLASS_HAS_FP_REG): Idem.
	* config/sh/sh.c (sh_cannot_change_mode_class): Idem.
	(sh_conditional_register_usage): Idem.

2013-04-21  Jeff Law  <law@redhat.com>

	* tree-ssa-forwprop.c (simplify_conversion_from_bitmask): New function.
	(ssa_forward_propagate_and_combine): Use it.

2013-04-19  Vladimir Makarov  <vmakarov@redhat.com>

	* lra.c: Update the flow chart diagram.

2013-04-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56847
	* lra-constraints.c (process_alt_operands): Discourage alternative
	with non-matche doffsettable memory constraint fro memory with
	known offset.

2013-04-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56982
	* builtins.def (BUILT_IN_LONGJMP): longjmp is not a leaf
	function.
	* gimplify.c (gimplify_call_expr): Notice special calls.
	(gimplify_modify_expr): Likewise.
	* tree-cfg.c (make_abnormal_goto_edges): Handle setjmp-like
	abnormal control flow receivers.
	(call_can_make_abnormal_goto): Handle cfun->calls_setjmp
	in the same way as cfun->has_nonlocal_labels.
	(gimple_purge_dead_abnormal_call_edges): Likewise.
	(stmt_starts_bb_p): Make setjmp-like abnormal control flow
	receivers start a basic-block.

2013-04-19  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (struct _slp_instance): Move load_permutation
	member ...
	(struct _slp_tree): ... here.  Make it a vector of unsigned ints.
	(SLP_INSTANCE_LOAD_PERMUTATION): Remove.
	(SLP_TREE_LOAD_PERMUTATION): Add.
	(vect_transform_slp_perm_load): Adjust prototype.
	* tree-vect-slp.c (vect_free_slp_tree): Adjust.
	(vect_free_slp_instance): Likewise.
	(vect_create_new_slp_node): Likewise.
	(vect_supported_slp_permutation_p): Remove.
	(vect_slp_rearrange_stmts): Adjust.
	(vect_supported_load_permutation_p): Likewise.  Inline
	vect_supported_slp_permutation_p here.
	(vect_analyze_slp_instance): Compute load permutations per
	slp node instead of per instance.
	(vect_get_slp_defs): Adjust.
	(vect_transform_slp_perm_load): Likewise.
	(vect_schedule_slp_instance): Remove redundant code.
	(vect_schedule_slp): Remove hack for PR56270, add it ...
	* tree-vect-stmts.c (vectorizable_load): ... here, do not
	CSE loads for SLP.  Adjust.

2013-04-19  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (load_multiple_sequence, ldm_stm_operation_p): Fix
	spelling in two comments.

2013-04-19  Greta Yorsh  <Greta.Yorsh@arm.com>

	PR target/56797
	* config/arm/arm.c (load_multiple_sequence): Require SP
	as base register for loads if SP is in the register list.

2013-04-19  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/56718
	* ipa-cp.c (ipa_value_from_known_type_jfunc): Moved...
	* ipa-prop.c (ipa_binfo_from_known_type_jfunc): ...here, renamed
	and made public.  Adjusted all callers.
	(ipa_intraprocedural_devirtualization): New function.
	* ipa-prop.h (ipa_binfo_from_known_type_jfunc): Declare.
	(ipa_intraprocedural_devirtualization): Likewise.
	* Makefile.in (tree-ssa-pre.o): Add ipa-prop.h to dependencies.

2013-04-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57000
	* tree-ssa-reassoc.c (pass_reassoc): Add TODO_update_ssa_only_virtuals.

2013-04-19  Terry Guo  <terry.guo@arm.com>

	* config/arm/cortex-m4-fpu.md (cortex_m4_v): Delete cpu unit.
	Replace with ...
	(cortex_m4_v_a,  cortex_m4_v_b): ... new cpu units.
	(cortex_m4_v, cortex_m4_exa_va, cortex_m4_exb_vb): New reservations.
	(cortex_m4_fmacs): Use new reservations.
	(cortex_m4_f_load, cortex_m4_f_store): Likewise.

2013-04-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56999
	* lra-coalesce.c (coalescable_pseudo_p): Remove 2nd parameter and
	related code.
	(lra_coalesce): Remove split_origin_bitmap and related code.
	* lra.c (lra): Coalesce after undoing inheritance.  Recreate live
	ranges if necessary.

2013-04-18  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers):
	New array.
	(ix86_expand_call): Remove clobbered_registers array and use
	x86_64_ms_sysv_extra_clobbered_registers instead.
	* config/i386/i386.h (x86_64_ms_sysv_extra_clobbered_registers):
	Declare here.
	* config/i386/predicates.md (call_rex64_ms_sysv_operation): New
	predicate.
	* config/i386/i386.md (*call_rex64_ms_sysv): Use
	call_rex64_ms_sysv_operation predicate.  Remove explicit clobbers.
	(*call_value_rex64_ms_sysv): Ditto.

2013-04-18  Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (output_pubnames): Check die_perennial_p of
	parent instead of die_mark.

2013-04-18  Diego Novillo  <dnovillo@google.com>

	* gimple.c (create_gimple_tmp): New.
	(get_expr_type): New.
	(build_assign): New.
	(build_type_cast): New.
	* gimple.h (enum ssa_mode): Define.
	(gimple_seq_set_location): New.
	* asan.c (build_check_stmt): Change some gimple_build_* calls
	to use build_assign and build_type_cast.

2013-04-18  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_analyze_group_access): Properly
	handle negative step.  Remove redundant checks.
	(vect_create_data_ref_ptr): Avoid ICEs with non-constant steps.
	* tree-vect-stmts.c (vectorizable_load): Instead of asserting
	for negative step and grouped loads fail to vectorize.

2013-04-18  Steven Bosscher  <steven@gcc.gnu.org>

	* emit-rtl.c (reset_insn_used_flags): New function.
	(reset_all_used_flags): Use it.
	(verify_insn_sharing): New function.
	(verify_rtl_sharing): Fix verification for SEQUENCEs.

2013-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56984
	* tree-vrp.c (register_edge_assert_for_2): For (x >> M) < N
	and (x >> M) >= N don't register any assertion if N << M is the
	minimum value.

2013-04-18  Steven Bosscher  <steven@gcc.gnu.org>

	* lower-subreg.c (resolve_simple_move): If called self-recursive,
	do not delete_insn insns that have not yet been emitted, only
	unlink them with remove_insn.
	* df-scan.c (df_insn_delete): Revert r197492.

2013-04-17  Steven Bosscher  <steven@gcc.gnu.org>

	* emit-rtl.c (link_insn_into_chain): Handle chaining of SEQUENCEs.
	* reorg.c (emit_delay_sequence): Simplify with emit-rtl API.

2013-04-17  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (movsicc_insn): Convert define_insn into
	define_insn_and_split.
	(and_scc,ior_scc,negscc): Likewise.
	(cmpsi2_addneg, subsi3_compare): Convert to named patterns.

2013-04-17  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (use_return_insn): Return 0 for targets that
	can benefit from using a sequence of LDRD instructions in epilogue
	instead of a single LDM instruction.

2013-04-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 45688
	* doc/extend.texi: Fix typo.

2013-04-17  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_build_slp_tree_1): Split out from ...
	(vect_build_slp_tree): ... here.
	(vect_build_slp_tree_1): Compute which stmts of the SLP group
	match.  Remove special-casing of mismatched complex loads.
	(vect_build_slp_tree): Based on the result from vect_build_slp_tree_1
	re-try the match with swapped commutative operands.
	(vect_supported_load_permutation_p): Remove special-casing of
	mismatched complex loads.
	(vect_analyze_slp_instance): Adjust.

2013-04-17  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/56921
	* cfgloop.h (struct loop): Add simple_loop_desc member.
	(struct niter_desc): Mark with GTY(()).
	(simple_loop_desc): Do not use aux field but simple_loop_desc.
	* loop-iv.c (get_simple_loop_desc): Likewise.
	(free_simple_loop_desc): Likewise.

	Revert
	2013-04-16  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/56921
	* loop-init.c (pass_rtl_move_loop_invariants): Add
	TODO_do_not_ggc_collect to todo_flags_finish.
	(pass_rtl_unswitch): Same.
	(pass_rtl_unroll_and_peel_loops): Same.
	(pass_rtl_doloop): Same.

2013-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): New.
	(decl_refs_may_alias_p): Add REF1 and REF2 parameters.
	Use nonoverlapping_component_refs_of_decl_p to disambiguate component
	references.
	(refs_may_alias_p_1): Adjust call to decl_refs_may_alias_p.
	* tree-streamer.c (record_common_node): Adjust reference in comment.

2013-04-17  Terry Guo  <terry.guo@arm.com>

	* config/arm/cortex-m4.md: Add a new bypass.

2013-04-16  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md (*adds_<optab><mode>_multp2):
	New pattern.
	(*subs_<optab><mode>_multp2): New pattern.
	(*adds_<optab><ALLX:mode>_<GPI:mode>): New pattern.
	(*subs_<optab><ALLX:mode>_<GPI:mode>): New pattern.

2013-04-16  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md (*adds_mul_imm_<mode>): New pattern.
	(*subs_mul_imm_<mode>): New pattern.

2013-04-16  David Edelsohn  <dje.gcc@gmail.com>

	PR target/56948
	* config/rs6000/vsx.md (vsx_mov<mode>): Add j->r alternative.
	(vsx_movti_64bit): Change j->wa to O->wa.  Add n->r alternative.
	(vsx_movti_32bit): Change j->wa to O->wa.

2013-04-16  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/56921
	* loop-init.c (pass_rtl_move_loop_invariants): Add
	TODO_do_not_ggc_collect to todo_flags_finish.
	(pass_rtl_unswitch): Same.
	(pass_rtl_unroll_and_peel_loops): Same.
	(pass_rtl_doloop): Same.

2013-04-16  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (emit_multi_reg_push): New declaration
	for an existing function.
	(arm_emit_strd_push): New function.
	(arm_expand_prologue): Used here.
	(arm_emit_ldrd_pop): New function.
	(arm_expand_epilogue): Used here.
	(arm_get_frame_offsets): Update condition.
	(arm_emit_multi_reg_pop): Add a special case for load of a single
	register with writeback.

2013-04-16  Uros Bizjak  <ubizjak@gmail.com>

	* doc/invoke.texi (i386 Option): Reword -mstack-protector-guard
	description.

2013-04-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56756
	* tree-ssa-loop-im.c (struct first_mem_ref_loc_1): New functor.
	(first_mem_ref_loc): New.
	(execute_sm): Place the load temporarily before a previous
	access instead of in the latch edge to ensure its SSA dependencies
	are defined at points dominating the load.

2013-04-16  Steven Bosscher  <steven@gcc.gnu.org>

	* cfgrtl.c (cfg_layout_merge_blocks): Revert r184005, implement
	correct fix by moving header and footer insn to the footer of
	the merged basic block.  Clear BB_END of the merged-away block.

	PR middle-end/43631
	* emit-rtl.c (make_note_raw): New function.
	(link_insn_into_chain): New static inline function.
	(add_insn): Use it.
	(add_insn_before, add_insn_after): Factor insn chain linking code...
	(add_insn_before_nobb, add_insn_after_nobb): ...here, new functions
	using link_insn_into_chain.
	(note_outside_basic_block_p): New helper function for emit_note_after
	and emit_note_before.
	(emit_note_after): Use nobb variant of add_insn_after if the note
	should not be contained in a basic block.
	(emit_note_before): Use nobb variant of add_insn_before if the note
	should not be contained in a basic block.
	(emit_note_copy): Use make_note_raw.
	(emit_note): Likewise.
	* bb-reorder.c (insert_section_boundary_note): Remove hack to set
	BLOCK_FOR_INSN to NULL manually for NOTE_INSN_SWITCH_TEXT_SECTIONS.
	* jump.c (cleanup_barriers): Use reorder_insns_nobb to avoid making
	the moved barrier the tail of the basic block it follows.
	* var-tracking.c (pass_variable_tracking): Add TODO_verify_flow.

2013-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56962
	* gimple-ssa-strength-reduction.c (record_increment): Only set
	initializer if gimple_assign_rhs_code is {,POINTER_}PLUS_EXPR and
	either rhs1 or rhs2 is equal to c->base_expr.

2013-04-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56933
	* tree-vectorizer.h (struct _stmt_vec_info): Remove read_write_dep
	member.
	(GROUP_READ_WRITE_DEPENDENCE): Remove.
	(STMT_VINFO_GROUP_READ_WRITE_DEPENDENCE): Likewise.
	* tree-vect-data-refs.c (vect_analyze_group_access): Move
	dependence check ...
	vect_analyze_data_ref_dependence (vect_analyze_data_ref_dependence):
	... here.
	* tree-vect-stmts.c (new_stmt_vec_info): Do not initialize
	GROUP_READ_WRITE_DEPENDENCE.

2013-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* emit-rtl.c (reset_all_used_flags): New function.
	(verify_rtl_sharing): Call reset_all_used_flags before and after
	performing the checks.

2013-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (const_ok_for_dimode_op): Handle AND case.
	* config/arm/arm.md (*anddi3_insn): Change to insn_and_split.
	* config/arm/constraints.md (De): New constraint.
	* config/arm/neon.md (anddi3_neon): Delete.
	(neon_vand<mode>): Expand to standard anddi3 pattern.
	* config/arm/predicates.md (imm_for_neon_inv_logic_operand):
	Move earlier in the file.
	(neon_inv_logic_op2): Likewise.
	(arm_anddi_operand_neon): New predicate.

2013-04-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_as_needed): Set
	gcc_cv_ld_as_needed_option, gcc_cv_no_as_needed_option.
	Use -z ignore, -z record on *-*-solaris2*.
	(HAVE_LD_AS_NEEDED): Update comment.
	(LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (init_gcc_specs) [USE_LD_AS_NEEDED]: Use
	LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION.
	* config/sol2.h [HAVE_LD_AS_NEEDED] (USE_LD_AS_NEEDED): Define.
	* doc/tm.texi.in (USE_LD_AS_NEEDED): Allow for --as-needed
	equivalents.  Fix markup.
	* doc/tm.texi: Regenerate.

2013-04-15  Andrew Hsieh  <andrewhsieh.google.com>

	* config/i386/i386.opt: New option mstack-protector-guard=.
	* config/i386/i386-opts.h: Add enum stack_protector_guard.
	* config/i386/i386.h: Define TARGET_SSP_GLOBAL_GUARD and
	TARGET_SSP_TLS_GUARD.
	* config/i386/i386.c (ix86_option_override_internal): Set
	ix86_stack_protector_guard.
	* config/i386/i386.md (stack_protect_set): Enable for
	TARGET_SSP_TLS_GUARD only.
	(stack_protect_set_<mode>): Ditto.
	(stack_protect_test): Ditto.
	(stack_protect_test_<mode>): Ditto.
	* doc/invoke.texi (i386 Option): Document.

2013-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/56890
	* config/sparc/sparc.c (enum sparc_mode_class): Add H_MODE value.
	(S_MODES): Set H_MODE bit.
	(SF_MODES): Set only S_MODE and SF_MODE bits.
	(DF_MODES): Set SF_MODES and only D_MODE and DF_MODE bits.
	(sparc_init_modes) <MODE_INT>: Set H_MODE bit for sub-word modes.
	<MODE_VECTOR_INT>: Do not set SF_MODE for sub-word modes.
	<MODE_FLOAT>: Likewise.

2013-04-15  Joey Ye  <joey.ye@arm.com>

	* config/arm/arm.c (thumb_far_jump_used_p): Fix typo in comments.

2013-04-15  Joey Ye  <joey.ye@arm.com>

	* config/arm/arm.c (thumb1_final_prescan_insn): Assert lr save
	for real far jump.
	(thumb_far_jump_used_p): Count instruction size and set
	far_jump_used.

2013-04-14  Eric Botcazou  <ebotcazou@adacore.com>

	* reorg.c (fill_simple_delay_slots): Reindent block of code.
	* resource.c (mark_target_live_regs): Reformat conditional block.

2013-04-13  Steven Bosscher  <steven@gcc.gnu.org>

	* sched-deps.c (deps_analyze_insn): Do not check for EH_REGION insn
	notes, they are emitted only just before final.
	* sched-int.h: Include insn-attr.h before checking INSN_SCHEDULING.

2013-04-13  Steven Bosscher  <steven@gcc.gnu.org>

	* emit-rtl.c (remove_insn): Do not call df_insn_delete here.
	* cfgrtl.c (delete_insn): Call it here instead.
	* lra-spills.c (lra_final_code_change): Use delete_insn.
	* haifa-sched.c (sched_remove_insn): Likewise.
	* sel-sched-ir.c (return_nop_to_pool): Clear INSN_DELETED_P for nops
	returning to the nop pool.
	(sel_remove_insn): Simplify the only_disconnect case via remove_insn,
	use delete_insn for definitive removal.  Clear BLOCK_FOR_INSN.

2013-04-12  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/tm.texi.in (LOOP_ALIGN): Remove loop note references.
	* doc/tm.texi: Regenerated.

2013-04-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_hard_regno_mode_ok): Use ANY_QI_REGNO_P in
	QImode checks.

2013-04-12  Steven Bosscher  <steven@gcc.gnu.org>

	* df-core.c (df_find_def): Compare register numbers.
	(df_find_use): Likewise.

2013-04-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/56903
	* config/i386/i386.c (ix86_hard_regno_mode_ok): Add
	lra_in_progress for return.

2013-04-12  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (mov_scc,mov_negscc,mov_notscc): Convert
	define_insn into define_insn_and_split and emit movsicc patterns.

2013-04-12  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (gen_operands_ldrd_strd): Initialize "base".

2013-04-12  Richard Biener  <rguenther@suse.de>

	* tree-pass.h (TODO_do_not_ggc_collect): New.
	* passes.c (execute_one_ipa_transform_pass): Honor
	TODO_do_not_ggc_collect.
	(execute_one_pass): Likewise.

	Revert
	2013-04-10  Richard Biener  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Remove reload pass.
	* ira.c (do_reload): Merge into ...
	(ira): ... this.
	(rest_of_handle_reload): Remove.
	(pass_reload): Likewise.
	* config/i386/i386.c (ix86_option_override): Refer to ira instead
	of reload for vzeroupper pass placement.

2013-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56918
	PR tree-optimization/56920
	* fold-const.c (int_const_binop_1): Use op1.mul_with_sign (op2, ...)
	instead of op1 - op2.  Pass 2 * TYPE_PRECISION (type) as second
	argument to rshift method.  For 2 * HOST_BITS_PER_WIDE_INT precision
	use wide_mul_with_sign method.

2013-04-12  Richard Biener  <rguenther@suse.de>

	* gimple.c (is_gimple_constant): Vector CONSTRUCTORs should
	not be considered a gimple constant.

2013-04-12  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (const_binop): Handle vector shifts by a scalar.
	(fold_binary_loc): Call const_binop also for mixed vector-scalar
	operations.

2013-04-12  Manuel López-Ibáñez  <manu@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	* opts.c: Include diagnostic-color.h.
	(common_handle_option): Handle OPT_fdiagnostics_color_.
	* Makefile.in (OBJS-libcommon): Add diagnostic-color.o.
	(diagnostic.o, opts.o, pretty-print.o): Depend on diagnostic-color.h.
	(diagnostic-color.o): New.
	* common.opt (fdiagnostics-color, fdiagnostics-color=): New options.
	(diagnostic_color_rule): New enum.
	* dwarf2out.c (gen_producer_string): Don't print -fdiagnostics-color*.
	* langhooks.c (lhd_print_error_function): Add %r "locus" and %R around
	the location string.
	* diagnostic.def: Add 3rd argument to DEFINE_DIAGNOSTIC_KIND macros,
	either NULL, or color kind.
	* diagnostic-color.c: New file.
	* diagnostic-color.h: New file.
	* diagnostic-core.h (DEFINE_DIAGNOSTIC_KIND): Adjust macro for 3
	arguments.
	* doc/invoke.texi (-fdiagnostics-color): Document.
	* pretty-print.h (pp_show_color): Define.
	(struct pretty_print_info): Add show_color field.
	* diagnostic.c: Include diagnostic-color.h.
	(diagnostic_build_prefix): Adjust for 3 argument DEFINE_DIAGNOSTIC_KIND
	macros.  Colorize error:, warning: etc. strings and also the location
	string.
	(diagnostic_show_locus): Colorize the caret line.
	* pretty-print.c: Include diagnostic-color.h.
	(pp_base_format): Handle %r and %R format specifiers.  Colorize strings
	inside of %< %> quotes or quoted through q format modifier.

2013-04-12  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* ifcvt.c (end_ifcvt_sequence): Mark a and b for unsharing as well.

2013-04-11  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Allow NEG
	code in CC_NZ mode.
	* config/aarch64/aarch64.md (*neg_<shift><mode>3_compare0): New
	pattern.

2013-04-11  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/48184
	* params.def (PARAM_ALIGN_THRESHOLD): Increase the minimum value to 1.

2013-04-11  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (skip_simple_constant_arithmetic): Move to...
	* tree.c (skip_simple_constant_arithmetic): ...here and make public.
	(skip_simple_arithmetic): Tidy up.
	* tree.h (skip_simple_constant_arithmetic): Declare.

2013-04-11  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Define.

2013-04-11  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (get_initial_def_for_induction): Properly
	generate vector constants.

2013-04-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56878
	* tree-flow.h (outermost_invariant_loop_for_expr): Declare.
	* tree-ssa-loop-ivopts.c (outermost_invariant_loop_for_expr):
	New function.
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
	Prefer to align the DR with the most invariant base address.

2013-04-11  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* opts.c (common_handle_option): Fix formatting and add FALLTHRU
	comment.

2013-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_vcond_internal): Fix
	floating-point vector comparisons against 0.

2013-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56899
	* fold-const.c (extract_muldiv_1): Apply distributive law
	only if TYPE_OVERFLOW_WRAPS (ctype).

2013-04-11  Bin Cheng  <bin.cheng@arm.com>

	PR target/56124
	* ira-costs.c (scan_one_insn): Check whether the source rtx of
	loading has side effect.

2013-04-10  Steven Bosscher  <steven@gcc.gnu.org>

	* config/sparc/sparc.c: Include tree-pass.h.
	(TARGET_MACHINE_DEPENDENT_REORG): Do not redefine.
	(sparc_reorg): Rename to sparc_do_work_around_errata.  Move to
	head of file.  Change return type.  Split off gate function.
	(sparc_gate_work_around_errata): New function.
	(pass_work_around_errata): New pass definition.
	(insert_pass_work_around_errata) New pass insert definition to
	insert pass_work_around_errata just after delayed-branch scheduling.
	(sparc_option_override): Insert the pass.
	* config/sparc/t-sparc (sparc.o): Add TREE_PASS_H dependence.

2013-04-10  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc
	or -mcpu=hypersparc.

	* target.def (cstore_mode): New hook.
	* target.h: Include insn-codes.h
	* targhooks.c: Likewise.
	(default_cstore_mode): New function.
	* targhooks.h: Declare it.
	* doc/tm.texi.in: New hook slot for TARGET_CSTORE_MODE.
	* doc/tm.texi: Rebuild.
	* expmed.c (emit_cstore): Obtain cstore boolean result mode using
	target hook, rather than inspecting the insn_data.
	* config/sparc/sparc.c (sparc_cstore_mode): New function.
	(TARGET_CSTORE_MODE): Redefine.
	(emit_scc_insn): When TARGET_ARCH64, emit new 64-bit boolean
	result patterns.
	* config/sparc/predicates.md (cstore_result_operand): New special
	predicate.
	* config/sparc/sparc.md (cstoresi4, cstoredi4, cstore<F:mode>4):
	Use it for operand 0.
	(*seqsi_special): Rewrite using 'P' mode iterator on operand 0.
	(*snesi_special): Likewise.
	(*snesi_zero): Likewise.
	(*seqsi_zero): Likewise.
	(*sltu_insn): Likewise.
	(*sgeu_insn): Likewise.
	(*seqdi_special): Make operand 0 and comparison operation be of
	DImode.
	(*snedi_special): Likewise.
	(*snedi_special_vis3): Likewise.
	(*neg_snesi_zero): Rename to *neg_snesisi_zero.
	(*neg_snesi_sign_extend): Rename to *neg_snesidi_zero.
	(*snesi_zero_extend): Delete, covered by 'P' mode iterator.
	(*neg_seqsi_zero): Rename to *neg_seqsisi_zero.
	(*neg_seqsi_sign_extend): Rename to *neg_seqsidi_zero.
	(*seqsi_zero_extend): Delete, covered by 'P' mode iterator.
	(*sltu_extend_sp64): Likewise.
	(*neg_sltu_insn): Rename to *neg_sltusi_insn.
	(*neg_sltu_extend_sp64): Rename to *neg_sltudi_insn.
	(*sgeu_extend_sp64): Delete, covered by 'P' mode iterator.
	(*neg_sgeu_insn): Rename to *neg_sgeusi_insn.
	(*neg_sgeu_extend_sp64): Rename to *neg_sgeudi_insn.

2013-04-10  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64.c (aarch64_print_extension): New function.
	(aarch64_start_file): Use the new function.

2013-04-10  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
	    Jason Merrill  <jason@redhat.com>

	* common.opt: Add -gdwarf.
	* opts.c (common_handle_option): Handle it.
	* gcc.c (ASM_DEBUG_SPEC): Don't expect "-2" for DWARF.

2013-04-10  Richard Biener  <rguenther@suse.de>

	* passes.c (execute_todo): Do not call ggc_collect conditional here.
	(execute_one_ipa_transform_pass): But unconditionally here.
	(execute_one_pass): And here.
	(init_optimization_passes): Remove reload pass.
	* tree-pass.h (TODO_ggc_collect): Remove.
	(pass_reload): Likewise.
	* ira.c (do_reload): Merge into ...
	(ira): ... this.
	(rest_of_handle_reload): Remove.
	(pass_reload): Likewise.
	* config/i386/i386.c (ix86_option_override): Refer to ira instead
	of reload for vzeroupper pass placement.
	* <everywhere>: Remove TODO_ggc_collect from todo_flags_start
	and todo_flags_finish of all passes.

2013-04-10  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (struct _slp_oprnd_info): Remove
	first_const_oprnd field, rename first_def_type to first_op_type.
	* tree-vect-slp.c (vect_create_oprnd_info): Adjust.
	(vect_get_and_check_slp_defs): Always use the type of the
	operand.  Allow mixed vect_external_def, vect_constant_def types.
	(vect_get_constant_vectors): Handle mixed vect_external_def,
	vect_constant_def types.

2013-04-10  Joern Rennecke <joern.rennecke@embecosm.com>

	PR tree-optimization/55524
	* tree-ssa-math-opts.c
	(convert_mult_to_fma): Don't use an fms construct
	when we don't have an fms operation, but fnma, and it looks
	likely that we'll be able to use the latter.

2013-04-10  Zhouyi Zhou <yizhouzhou@ict.ac.cn>

	* cif-code.def (OVERWRITABLE): Correct the comment for overwritable
	function.
	* ipa-inline.c (can_inline_edge_p): Let dump mechanism report the
	inline fail caused by overwritable functions.

2013-04-10  Chung-Ju Wu  <jasonwucj@gmail.com>

	* combine.c (simplify_compare_const): Use GET_MODE_MASK to filter out
	unnecessary bits in the constant power of two case.

2013-04-10  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_get_and_check_slp_defs): Remove
	broken code swapping operands.
	(vect_build_slp_tree): Do not compute load permutations here.
	(vect_analyze_slp_instance): Compute load permutations here,
	after building the SLP tree.

2013-04-09  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.md (barrier_align): Use next/prev_active_insn instead
	of next/prev_real_insn.

2013-04-09  Jan Hubicka  <jh@suse.cz>

	* ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
	Drop aliased parameter.
	(function_and_variable_visibility): Do not handle alias pairs.
	* cgraph.c (varpool_externally_visible_p): Update prototype.
	* varpool.c (varpool_add_new_variable): Update.

2013-04-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (minmax_arithsi_non_canon): New pattern.

2013-04-09  Steven Bosscher  <steven@gcc.gnu.org>

	* sched-vis.c (print_pattern): Print SEQUENCE of insns as insns.

	* config/sparc/sparc.md: Use define_c_enum for "unspec" and "unspecv".

2013-04-09  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/48762
	* params.def (PARAM_MAX_CSE_INSNS): Increase the minimum value to 1.

2013-04-09  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_get_and_check_slp_defs): Remove code
	dealing with cost.
	(vect_build_slp_tree): Likewise.
	(vect_analyze_slp_cost_1, vect_analyze_slp_cost): New functions
	calculating the cost of a SLP instance.
	(vect_analyze_slp_instance): Use it from here, after building
	the SLP tree.

2013-04-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56883
	* omp-low.c (expand_omp_for_generic, expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk): Use simple_p = true in
	force_gimple_operand_gsi calls when assigning to addressable decls.

2013-04-09  Jeff Law  <law@redhat.com>

	* tree-vrp.c (simplify_cond_using_ranges): Simplify test of boolean
	when the boolean was created by converting a wider object which
	had a boolean range.

2013-04-09  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (slp_void_p): Remove.
	(slp_tree): Typedef before _slp_tree declaration.
	(struct _slp_tree): Use a vector of slp_tree as children.
	(vect_get_place_in_interleaving_chain): Remove.
	* tree-vect-data-refs.c (vect_get_place_in_interleaving_chain):
	Move ...
	* tree-vect-slp.c (vect_get_place_in_interleaving_chain): ... here
	and make static.
	(vect_free_slp_tree, vect_print_slp_tree, vect_mark_slp_stmts,
	vect_mark_slp_stmts_relevant, vect_slp_rearrange_stmts,
	vect_detect_hybrid_slp_stmts, vect_slp_analyze_node_operations,
	vect_schedule_slp_instance, vect_remove_slp_scalar_calls):
	Use slp_node instead of slp_void_p and adjust.

2013-04-09  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): Avoid
	work that is not necessary.

2013-04-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56854
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't
	forward into clobber stmts if it would change MEM_REF lhs into
	non-MEM_REF.

2013-04-09  Maxim Kuvyrkov  <maxim@kugelworks.com>

	* tree.c (type_hash_lookup, type_hash_add): Make static.
	* tree.h (type_hash_lookup, type_hash_add): Remove global declarations.

2013-04-09  Richard Biener  <rguenther@suse.de>

	* tree.h (unsave_expr_now): Remove.
	* tree-inline.c (mark_local_for_remap_r): Remove.
	(unsave_expr_1): Likewise.
	(unsave_r): Likewise.
	(unsave_expr_now): Likewise.
	* tree-ssa-copy.c (replace_exp_1): Use unshare_expr.
	(propagate_tree_value): Likewise.

2013-04-08  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/rtl.texi (sequence): Rewrite documentation to match the
	current use of SEQUENCE rtl objects.
	* rtl.def (SEQUENCE): Likewise.

	* doc/rtl.texi (NOTE_INSN_EH_REGION_BEG, NOTE_INSN_EH_REGION_END):
	Update documentation.
	(NOTE_INSN_LOOP_BEG, NOTE_INSN_LOOP_END, NOTE_INSN_LOOP_CONT,
	NOTE_INSN_LOOP_VTOP): Remove documentation for non-existing notes.

	* reg-notes.def (REG_EH_CONTEXT): Remove unused note.

2013-04-08  Teresa Johnson  <tejohnson@google.com>

	* basic-block.h (GCOV_COMPUTE_SCALE): Define.
	* ipa-inline-analysis.c (param_change_prob): Use helper rounding divide
	methods.
	(estimate_edge_size_and_time): Add comment to suggest using rounding
	methods.
	(estimate_node_size_and_time): Ditto.
	(remap_edge_change_prob): Use helper rounding divide methods.
	* value-prof.c (gimple_divmod_fixed_value_transform): Ditto.
	(gimple_mod_pow2_value_transform): Ditto.
	(gimple_mod_subtract_transform): Ditto.
	(gimple_ic_transform): Ditto.
	(gimple_stringops_transform): Ditto.
	* stmt.c (conditional_probability): Ditto.
	(emit_case_dispatch_table): Ditto.
	* lto-cgraph.c (merge_profile_summaries): Ditto.
	* tree-optimize.c (execute_fixup_cfg): Ditto.
	* cfgcleanup.c (try_forward_edges): Ditto.
	* cfgloopmanip.c (scale_loop_profile): Ditto.
	(loopify): Ditto.
	(duplicate_loop_to_header_edge): Ditto.
	(lv_adjust_loop_entry_edge): Ditto.
	* tree-vect-loop.c (vect_transform_loop): Ditto.
	* profile.c (compute_branch_probabilities): Ditto.
	* cfgbuild.c (compute_outgoing_frequencies): Ditto.
	* lto-streamer-in.c (input_cfg): Ditto.
	* gimple-streamer-in.c (input_bb): Ditto.
	* ipa-cp.c (update_profiling_info): Ditto.
	(update_specialized_profile): Ditto.
	* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Ditto.
	* cfg.c (update_bb_profile_for_threading): Add comment to suggest using
	rounding methods.
	* sched-rgn.c (compute_dom_prob_ps): Ditto.
	(compute_trg_info): Ditto.
	* cfgrtl.c (force_nonfallthru_and_redirect): Ditto.
	(purge_dead_edges): Ditto.
	* loop-unswitch.c (unswitch_loop): Ditto.
	* cgraphclones.c (cgraph_clone_edge): Ditto.
	(cgraph_clone_node): Ditto.
	* tree-inline.c (copy_bb): Ditto.
	(copy_edges_for_bb): Ditto.
	(initialize_cfun): Ditto.
	(copy_cfg_body): Ditto.
	(expand_call_inline): Ditto.

2013-04-08  Kai Tietz  <ktietz@redhat.com>

	* config/i386/cygwin.h (EXTRA_OS_CPP_BUILTINS): Replaced
	TARGET_CYGWIN64 by TARGET_64BIT.

2013-04-08  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.md (GPR_1): New constant.
	(define_expand "mov<mode>cc): FAIL if gen_compare_reg returned 0.
	* config/epiphany/epiphany.c (gen_compare_reg):
	For flag_finite_math_only, avoid swapping operands when r0 and/or r1
	is already in place.
	Use GPR_0 / GPR_1 instead of 0/1 for r0/r1 register numbers.
	Don't require being called during rtl expansion; If y operlaps r0,
	return 0.
	(epiphany_compute_frame_size, epiphany_expand_prologue): Use GPR_1.
	(epiphany_expand_epilogue): Likewise.

	* config/epiphany/epiphany.c (epiphany_select_cc_mode):
	Don't use CC_FPmode for ORDERED / UNORDERED.
	* config/epiphany/epiphany.md (cmpsf_ord): Make pattern unconditional.

	* config/epiphany/constraints.md (CnL): New constraint.
	* config/epiphany/epiphany.md (addsi3_i): Add r/r/CnL alternative.
	* config/epiphany/predicates.md (add_operand): Allow 1024.

	* config/epiphany/epiphany.md (logical_op): New code iterator.
	(op_mnc): New code attribute.
	(<op_mnc>_f, mov_f, cstoresi4): New patterns.
	(mov_f+1, mov_f+2): New peephole2 patterns.

	* config/epiphany/epiphany.md (mov_f+2): New peephole2 pattern.
	(cstoresi4): Also allow re-use of zero result when doing a NE
	comparison to a non-zero operand.
	Use (clobber (scratch)) for first insn if the gpr output is not needed.

	* config/epiphany/epiphany.md (<insn_opname>v2si3):
	Use gen_addsi3_i / gen_subsi3_i.

2013-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34949
	PR c++/50243
	* tree-eh.c (optimize_clobbers): Only remove clobbers if bb doesn't
	contain anything but clobbers, at most one __builtin_stack_restore,
	optionally debug stmts and final resx, and if it has at least one
	incoming EH edge.  Don't check for SSA_NAME on LHS of a clobber.
	(sink_clobbers): Don't check for SSA_NAME on LHS of a clobber.
	Instead of moving clobbers with MEM_REF LHS with SSA_NAME address
	which isn't defaut definition, remove them.
	(unsplit_eh, cleanup_empty_eh): Use single_{pred,succ}_{p,edge}
	instead of EDGE_COUNT comparisons or EDGE_{PRED,SUCC}.
	* tree-ssa-ccp.c (execute_fold_all_builtins): Remove clobbers
	with MEM_REF LHS with SSA_NAME address.

2013-04-08  Jeff Law  <law@redhat.com>

	* gimple.c (canonicalize_cond_expr_cond): Rewrite x ^ y into x != y.

2013-04-08  Richard Biener  <rguenther@suse.de>

	* gimple-pretty-print.c (debug_gimple_stmt): Do not print
	extra newline.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Dump
	determined vector type.
	(vect_analyze_data_refs): Likewise.
	(vect_get_new_vect_var): Adjust.
	(vect_create_destination_var): Preserve SSA name versions.
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Do
	not dump anything here.

2013-04-08  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.h (struct GTY (()) machine_function):
	Add member lr_slot_known.
	* config/epiphany/epiphany.md (reload_insi_ra): Compute lr_slot_offs
	if necessary.
	* config/epiphany/epiphany.c (epiphany_compute_frame_size):
	Remove code that sets lr_slot_offset according to what a previous
	version of epiphany_emit_save_restore used to do.
	(epiphany_emit_save_restore): When doing an lr save or restore,
	set/verify lr_slot_known and lr_slot_offset.

2013-04-08  Xinyu Qi  <xyqi@marvell.com>

	PR target/54338
	* config/arm/arm.h (REG_CLASS_CONTENTS): Include IWMMXT_GR_REGS
	in ALL_REGS.

2013-04-08  Richard Biener  <rguenther@suse.de>

	* alias.c (find_base_term): Fix thinko in previous change.

2013-04-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-loop-distribution.c (const_with_all_bytes_same): New function.
	(generate_memset_builtin): Only handle integer_all_onesp as -1 val if
	TYPE_PRECISION is equal to mode bitsize.  Use const_with_all_bytes_same
	if possible to compute val.
	(classify_partition): Verify CONSTRUCTOR doesn't have any elts.
	For QImode integers don't require anything about precision.  Use
	const_with_all_bytes_same to find out if the constant doesn't have
	repeated bytes in it.

2013-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_expand_insv): Only accept insertions
	within mode size.

2013-04-08  Marek Polacek  <polacek@redhat.com>

	PR rtl-optimization/48182
	* params.def (PARAM_MIN_CROSSJUMP_INSNS): Increase the minimum
	value to 1.

2013-04-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/55487
	* config/pa/pa.c (legitimize_pic_address): Before incrementing label
	nuses, make sure we have a label.

2013-04-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/56843
	* config/rs6000/rs6000.c (rs6000_emit_swdiv_high_precision): Remove.
	(rs6000_emit_swdiv_low_precision): Remove.
	(rs6000_emit_swdiv): Rewrite to handle between one and four
	iterations of Newton-Raphson generally; modify required number of
	iterations for some cases.
	* config/rs6000/rs6000.h (RS6000_RECIP_HIGH_PRECISION_P): Remove.

2013-04-05  Steven Bosscher  <steven@gcc.gnu.org>

	* bb-reorder.c (fix_crossing_unconditional_branches): Remove a
	set-but-unused variable.

	* cgraph.c (cgraph_release_function_body): Clear cfun->cfg to make
	basic blocks of released function bodies garbage-collectable.

	* ree.c (find_and_remove_re): Do not call df_finish_pass here.
	(struct rtl_opt_pass): Add TODO_df_finish.

	* rtl.def (DEFINE_SUBST, DEFINE_SUBST_ATTR): Add documentation.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/constraints.md (q): New constraint.
	* config/arm/ldrdstrd.md: New file.
	* config/arm/arm.md (ldrdstrd.md) New include.
	(arm_movdi): Use "q" instead of "r" constraint
	for double-word memory access.
	(movdf_soft_insn): Likewise.
	* config/arm/vfp.md (movdi_vfp): Likewise.
	* config/arm/t-arm (MD_INCLUDES): Add ldrdstrd.md.
	* config/arm/arm-protos.h (gen_operands_ldrd_strd): New declaration.
	* config/arm/arm.c (gen_operands_ldrd_strd): New function.
	(mem_ok_for_ldrd_strd): Likewise.
	(output_move_double): Update assertion.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md: Comment on splitting Thumb1 patterns.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (arm_smax_insn): Convert define_insn into
	define_insn_and_split.
	(arm_smin_insn,arm_umaxsi3,arm_uminsi3): Likewise.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (arm_ashldi3_1bit): Convert define_insn into
	define_insn_and_split.
	(arm_ashrdi3_1bit,arm_lshrdi3_1bit): Likewise.
	(shiftsi3_compare): New pattern.
	(rrx): New pattern.
	* config/arm/unspecs.md (UNSPEC_RRX): New.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (negdi_extendsidi): New pattern.
	(negdi_zero_extendsidi): Likewise.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (andsi_iorsi3_notsi): Convert define_insn into
	define_insn_and_split.
	(arm_negdi2,arm_abssi2,arm_neg_abssi2): Likewise.
	(arm_cmpdi_insn,arm_cmpdi_unsigned): Likewise.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (arm_subdi3): Convert define_insn into
	define_insn_and_split.
	(subdi_di_zesidi,subdi_di_sesidi): Likewise.
	(subdi_zesidi_di,subdi_sesidi_di,subdi_zesidi_zesidi): Likewise.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (subsi3_carryin): New pattern.
	(subsi3_carryin_const): Likewise.
	(subsi3_carryin_compare,subsi3_carryin_compare_const): Likewise.
	(subsi3_carryin_shift,rsbsi3_carryin_shift): Likewise.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (incscc,arm_incscc,decscc,arm_decscc): Delete.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (addsi3_carryin_<optab>): Set attribute predicable.
	(addsi3_carryin_alt2_<optab>,addsi3_carryin_shift_<optab>): Likewise.

2013-04-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (arm_expand_builtin): Change fcode
	type to unsigned int.

2013-04-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* doc/invoke.texi (ARM Options): Document cortex-a53 support.

2013-04-04  Ian Lance Taylor  <iant@google.com>

	* doc/standards.texi (Standards): The Go frontend supports the Go 1
	language standard.

2013-04-04  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/56729
	* df-scan.c (df_insn_delete): Disable failing assert.

2013-04-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm-protos.h (arm_builtin_vectorized_function):
	New function prototype.
	* config/arm/arm.c (TARGET_VECTORIZE_BUILTINS): Define.
	(TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Likewise.
	(arm_builtin_vectorized_function): New function.

2013-04-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm_neon_builtins.def: New file.
	* config/arm/arm.c (neon_builtin_data): Move contents to
	arm_neon_builtins.def.
	(enum arm_builtins): Include neon builtin definitions.
	(ARM_BUILTIN_NEON_BASE): Move from enum to macro.
	* config/arm/t-arm (arm.o): Add dependency on arm_neon_builtins.def.

2013-04-04  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/48186
	* predict.c (maybe_hot_frequency_p): Return false if
	HOT_BB_FREQUENCY_FRACTION is 0.
	(cgraph_maybe_hot_edge_p): Likewise.

2013-04-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56826
	* tree-vect-slp.c (vect_build_slp_tree): Compute ncopies
	more accurately.

2013-04-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56213
	* tree-vect-data-refs.c (vect_check_strided_load): Remove.
	(vect_analyze_data_refs): Allow all non-nested loads as strided loads.

2013-04-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56837
	* tree-loop-distribution.c (classify_partition): For non-zero
	values require that the value has the same precision as its
	mode to be useful as memset value.

2013-04-03  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850e3v5.md (fmasf4): Use fmaf.s on E3V5 architectures.
	(fmssf4): Use fmsf.s on E3V5 architectures.
	(fnmasf4): Use fnmaf.s on E3V5 architectures.
	(fnmssf4): Use fnmsf.s on E3V5 architectures.

2013-04-03  Jeff Law  <law@redhat.com>

	* Makefile.in (lra-constraints.o): Depend on $(OPTABS_H).
	(lra-eliminations.o): Likewise.

2013-04-03  Teresa Johnson  <tejohnson@google.com>

	* gcov-io.c (compute_working_sets): Moved most of body of old
	compute_working_sets here from profile.c.
	* gcov-io.h (NUM_GCOV_WORKING_SETS): Moved here from profile.c.
	(gcov_working_set_t): Moved typedef here from basic-block.h
	(compute_working_set): Declare.
	* profile.c (NUM_GCOV_WORKING_SETS): Moved to gcov-io.h.
	(get_working_sets): Renamed from compute_working_set,
	replace most of body with call to new compute_working_sets.
	(get_exec_counts): Replace call to compute_working_sets
	to get_working_sets.
	* profile.h (get_working_sets): Renamed from compute_working_set.
	* lto-cgraph.c (input_symtab): Replace call to compute_working_sets
	to get_working_sets.
	* basic-block.h (gcov_working_set_t): Moved to gcov-io.h.
	* gcov-dump.c (dump_working_sets): New function.

2013-04-03  Kenneth Zadeck <zadeck@naturalbridge.com>

	* hwint.c (sext_hwi, zext_hwi): New functions.
	* hwint.h (HOST_BITS_PER_HALF_WIDE_INT, HOST_HALF_WIDE_INT,
	HOST_HALF_WIDE_INT_PRINT, HOST_HALF_WIDE_INT_PRINT_C,
	HOST_HALF_WIDE_INT_PRINT_DEC, HOST_HALF_WIDE_INT_PRINT_DEC_C,
	HOST_HALF_WIDE_INT_PRINT_UNSIGNED, HOST_HALF_WIDE_INT_PRINT_HEX,
	HOST_HALF_WIDE_INT_PRINT_HEX_PURE): New symbols.
	(sext_hwi, zext_hwi): New functions.

2013-04-03  Jeff Law  <law@redhat.com>

	PR tree-optimization/56799
	* tree-ssa-dom.c (record_equivalences_from_incoming_edge): Bring
	back test for widening conversion erroneously dropped in prior change.

2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56809
	* config/aarch64/aarch64.c (is_jump_table): Use next_active_insn
	instead of next_real_insn.

2013-04-03  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/55702
	* tsan.c (instrument_func_exit): Allow BUILT_IN_RETURN functions.

2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56809
	* config/arm/arm.c (is_jump_table): Use next_active_insn instead of
	next_real_insn.
	(thumb1_output_casesi): Likewise.
	(thumb2_output_casesi): Likewise.

2013-04-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56817
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
	Split out ...
	(tree_unroll_loops_completely_1): ... new function to manually
	walk the loop tree, properly defering outer loops of unrolled
	loops to later iterations.

2013-04-03  Marc Glisse  <marc.glisse@inria.fr>

	* tree-vect-stmts.c (vectorizable_store): Accept BIT_FIELD_REF.
	(vectorizable_load): Likewise.
	* tree-vect-slp.c (vect_build_slp_tree): Likewise.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Handle VECTOR_TYPE.

2013-04-03  Marc Glisse  <marc.glisse@inria.fr>

	* tree-flow-inline.h (get_addr_base_and_unit_offset_1): Handle
	BIT_FIELD_REF.

2013-04-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (emit_nop_for_insn): Handle JUMP_TABLE_DATA.

2013-04-03  Bin Cheng  <bin.cheng@arm.com>

	* rtl.h (AUTO_INC_DEC): Fix typo of HAVE_POST_MODIFY_DISP.

2013-04-03  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/56790
	* fold-const.c (fold_ternary_loc) <VEC_COND_EXPR>: Add constant
	folding.

2013-04-03  Marc Glisse  <marc.glisse@inria.fr>

	* simplify-rtx.c (simplify_binary_operation_1) <VEC_SELECT>:
	Handle VEC_MERGE.
	(simplify_ternary_operation) <VEC_MERGE>: Use unsigned HOST_WIDE_INT
	for masks. Test for side effects. Handle nested VEC_MERGE. Handle
	equal arguments.

2013-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/19449
	* tree.h (force_folding_builtin_constant_p): New decl.
	* builtins.c (force_folding_builtin_constant_p): New variable.
	(fold_builtin_constant_p): Fold immediately also if
	force_folding_builtin_constant_p.

2013-04-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56812
	* tree-vect-data-refs.c (vect_slp_analyze_data_ref_dependence):
	DRs of the same interleaving chain are independent.

2013-04-02  Jason Merrill  <jason@redhat.com>

	* gdbinit.in (pbb): Use debug fn.

2013-04-02  Lawrence Crowl  <crowl@google.com>

	* sese.h (struct ivtype_map_elt_s): Remove unused.
	(extern debug_ivtype_map): Remove unused.
	(extern eq_ivtype_map_elts): Remove unused.
	* sese.c (debug_ivtype_map): Removed unused.
	(debug_ivtype_map_1): Removed unused.
	(debug_ivtype_elt): Remove unused.
	(eq_ivtype_map_elts): Remove unused.


2013-04-02  Kai Tietz  <ktietz@redhat.com>

	PR target/52790
	* config/i386/cygming.h (SUB_TARGET_RECORD_STUB): New sub-target macro.
	* config/i386/i386-protos.h (i386_pe_record_stub): Add new prototype.
	* config/i386/i386.c (legitimize_pe_coff_extern_decl): New static
	function.
	(legitimize_pe_coff_symbol): Likewise.
	(is_imported_p): New helper-function.
	(ix86_option_override_internal): Make MEDIUM_PIC the default code-model
	for Windows x64 targets.
	(ix86_expand_prologue): Optimize for pe-coff targets.
	(ix86_expand_split_stack_prologue): Adjust for pe-coff targets.
	(legitimate_pic_address_disp_p): Adjust for x64 pe-coff to support
	medium/large code-model.
	(legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	(ix86_expand_call): Likewise.
	(x86_output_mi_thunk): Likewise.
	(get_dllimport_decl): Add new beimport argument.
	(construct_plt_address): Don't assert for x64 pe-coff targets.
	* config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Adjust for x64 pe-coff
	targets.
	(SYMBOL_FLAG_STUBVAR): New macro.
	(SYMBOL_REF_STUBVAR_P): Likewise.
	* config/i386/winnt.c (stub_list): New structure.
	(stub_head): New local variable.
	(i386_pe_record_stub): New function.
	(i386_pe_file_end): Emit refptr-stubs.

2013-04-02  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/56745
	* ifcvt.c (cond_exec_find_if_block): Don't try to optimize
	if then_bb has no successors and else_bb is EXIT_BLOCK_PTR.

	PR c++/34949
	* tree-ssa-alias.c (stmt_kills_ref_p_1): If base != ref->base
	and both of them are MEM_REFs, just compare first argument for
	equality and attempt to deal even with differing offsets.

	PR c++/34949
	* tree-cfg.c (verify_gimple_assign_single): Allow lhs
	of gimple_clobber_p to be MEM_REF.
	* gimplify.c (gimplify_modify_expr): Gimplify *to_p of
	an assignment from TREE_CLOBBER_P.  Allow it to be MEM_REF
	after gimplification.
	* asan.c (get_mem_ref_of_assignment): Don't instrument
	gimple_clobber_p stmts.
	* tree-ssa-dse.c (dse_optimize_stmt): Allow DSE of
	gimple_clobber_p stmt if they have MEM_REF lhs and
	are dead because of another gimple_clobber_p stmt.
	* tree-ssa-live.c (clear_unused_block_pointer): Treat
	gimple_clobber_p stmts like debug stmts.
	(remove_unused_locals): Remove clobbers with MEM_REF lhs
	that refer to unused VAR_DECLs or uninitialized values.
	* tree-sra.c (sra_ipa_reset_debug_stmts): Also remove
	gimple_clobber_p stmts if they refer to removed parameters.
	(get_repl_default_def_ssa_name, sra_ipa_modify_expr): Fix up
	formatting.

2013-04-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*testqi_ext_3): Merge with *testqi_ext_3_rex64
	using SWI48 mode attribute.

2013-04-02  Wei Mi  <wmi@google.com>

	* config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for
	ashl<mode>3_mask, *<shift_insn><mode>3_mask and
	*<rotate_insn><mode>3_mask in i386.md.

2013-04-02  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	* config.gcc (arm*-*-linux-*): Remove duplicate t-linux-android.

2013-04-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56778
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
	Runtime alias tests are not supported for gather loads.
	* tree-vect-loop-manip.c (vect_loop_versioning): Insert
	stmts referenced from SSA operands before updating SSA form.

2013-04-02  Ian Caulfield  <ian.caulfield@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm-arches.def (armv8-a): Default to cortex-a53.
	* config/arm/t-arm (MD_INCLUDES): Depend on cortex-a53.md.
	* config/arm/cortex-a53.md: New file.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Handle cortex-a53.
	* config/arm/arm.md (generic_sched, generic_vfp): Handle cortex-a53.
	* config/arm/arm.c (arm_issue_rate): Likewise.
	* config/arm/arm-tune.md: Regenerate
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-cores.def: Add cortex-a53.

2013-04-02  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	* config/arm/uclinux-elf.h: Add %L to LINK_GCC_C_SEQUENCE_SPEC for
	non-static link.

2013-04-02  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md (*mov<mode>_aarch64): Add variants for
	scalar load/store operations using B/H registers.
	(*zero_extend<SHORT:mode><GPI:mode>2_aarch64): Likewise.

2013-04-02  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.md (*mov<mode>_aarch64): Add alternatives for
	scalar move.
	* config/aarch64/aarch64.c
	(aarch64_simd_scalar_immediate_valid_for_move): New.
	* config/aarch64/aarch64-protos.h
	(aarch64_simd_scalar_immediate_valid_for_move): New.
	* config/aarch64/constraints.md (Dh, Dq): New.
	* config/aarch64/iterators.md (hq): New.

2013-04-02  Eric Botcazou  <ebotcazou@adacore.com>

	* reorg.c (get_branch_condition): Deal with conditional returns.
	(fill_simple_delay_slots): Remove dead code dealing with jumps.

2013-04-01  Wei Mi  <wmi@google.com>

	* config/i386/i386.md (*ashl<mode>3_mask): Rewrite as define_insn.
	Truncate operand 2 using %b asm operand modifier.
	(*<shift_insn><mode>3_mask): Ditto.
	(*<rotate_insn><mode>3_mask): Ditto.

2013-04-01  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/56798
	* cfgbuild.c (inside_basic_block_p): Restore check broken at r197234.

2013-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (casesi_worker_1): Use next_active_insn instead
	of next_real_insn.
	(casesi_worker_2, casesi_shift_media, casesi_load_media): Likewise.

2013-03-30  Lawrence Crowl  <crowl@google.com>

	* dse.c (clear_alias_sets): Remove never set.
	(disqualified_clear_alias_sets): Remove never set.
	(clear_alias_mode_pool): Remove never set.
	(dse_step0): Remove condition that is never true.
	(canon_address): Remove condition that is never true.
	(dse_step7): Remove condition that is never true.
	(rest_of_handle_dse): Remove condition that is never true.
	(rest_of_handle_dse::did_global): Remove never read from above.
	(dse_step2_spill): Remove never called from above.
	(dse_step5_spill): Remove never called from above.

2013-03-30  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/md.texi (Standard Names) <casesi>: Update documentation for
	JUMP_TABLE_DATA changes.
	* doc/tm.texi.in (Dispatch Tables) <ASM_OUTPUT_CASE_LABEL>: Likewise.
	* doc/rtl.texi (Flags) <INSN_DELETED_P, SCHED_GROUP_P>: Likewise.
	(Insns) <jump_table_data>: New entry.
	* doc/tm.texi: Regenerate.

	* cfgrtl.c (fixup_reorder_chain): Do not emit barriers to BB_FOOTER.

	* postreload-gcse.c (bb_has_well_behaved_predecessors): Correct test
	for table jump at the end of a basic block using tablejump_p.
	* targhooks.c (default_invalid_within_doloop): Likewise.
	* config/rs6000/rs6000.c (TARGET_INVALID_WITHIN_DOLOOP): Remove
	target hook implementation that is identical to the default hook.
	(rs6000_invalid_within_doloop): Remove.

	* bb-reorder.c (fix_crossing_unconditional_branches): Remove set but
	unused variable from tablejump_p call.

	* rtl.def (JUMP_TABLE_DATA): New RTX_INSN object.
	* rtl.h (RTX_PREV, RTX_NEXT): Adjust for new JUMP_TABLE_DATA.
	(INSN_DELETED_P): Likewise.
	(emit_jump_table_data): New prototype.
	* gengtype.c (adjust_field_rtx_def): Handle JUMP_TABLE_DATA fields
	after 4th as unused.
	* print-rtl.c (print_rtl): Handle JUMP_TABLE_DATA.
	* sched-vis.c (print_insn): Likewise.
	* emit-rtl.c (active_insn_p): Consider JUMP_TABLE_DATA an active
	insn for compatibility with back ends that use next_active_insn to
	identify jump table data.
	(set_insn_deleted): Remove no longer useful JUMP_TABLE_DATA_P check.
	(remove_insn): Likewise.
	(emit_insn): Do not accept JUMP_TABLE_DATA objects in insn chains
	to be emitted.
	(emit_debug_insn, emit_jump_insn, emit_call_insn, emit_label): Idem.
	(emit_jump_table_data): New function.

	* cfgbuild.c (inside_basic_block_p): A JUMP_INSN is always inside a
	basic block, a JUMP_TABLE_DATA never is.
	(control_flow_insn_p): JUMP_TABLE_DATA is not a control flow insn.
	* cfgrtl.c (duplicate_insn_chain): Split handling of JUMP_TABLE_DATA
	off from code handling real insns.
	* final.c (get_attr_length_1): Simplify for JUMP_INSNs.
	* function.c (instantiate_virtual_regs): Remove JUMP_TABLE_DATA_P
	test, now redundant because JUMP_TABLE_DATA is not an INSN_P insn.
	* gcse.c (insert_insn_end_basic_block): Likewise, JUMP_TABLE_DATA_P
	is not a NONDEBUG_INSN_P.
	* ira-costs.c (scan_one_insn): Likewise.
	* jump.c (mark_all_labels): Likewise.
	(mark_jump_label_1): Likewise.
	* lra-eliminations.c (eliminate_regs_in_insn): Likewise.
	* lra.c (get_insn_freq): Expect all insns reaching here to be in
	a basic block.
	(check_rtl): Remove JUMP_TABLE_DATA_P test, not a NONDEBUG_INSN_P insn.
	* predict.c (expensive_function_p): Use FOR_BB_INSNS.
	* reload1.c (calculate_needs_all_insns): Call set_label_offsets for
	JUMP_TABLE_DATA_P insns.
	(calculate_elim_costs_all_insns): Likewise.
	(set_label_offsets): Recurse on the PATTERN of JUMP_TABLE_DATA insns.
	(elimination_costs_in_insn): Remove redundant JUMP_TABLE_DATA_P test.
	(delete_output_reload): Code style fixups.
	* reorg.c (dbr_schedule): Move JUMP_TABLE_DATA_P up to avoid setting
	insn flags on this non-insn.
	* sched-rgn.c (add_branch_dependences): Treat JUMP_TABLE_DATA insns
	as scheduling barriers, for pre-change compatibility.
	* stmt.c (emit_case_dispatch_table): Emit jump table data not as
	JUMP_INSN objects but instead as JUMP_TABLE_DATA objects.

	* config/alpha/alpha.c (alpha_does_function_need_gp): Remove
	redundant JUMP_TABLE_DATA_P test.
	* config/arm/arm.c (thumb_far_jump_used_p): Likewise.
	* config/frv/frv.c (frv_function_contains_far_jump): Likewise.
	(frv_for_each_packet): Likewise.
	* config/i386/i386.c (min_insn_size): Likewise.
	(ix86_avoid_jump_mispredicts): Likewise.
	* config/m32r/m32r.c (m32r_is_insn): Likewise.
	* config/mep/mep.c (mep_reorg_erepeat): Likewise.
	* config/mips/mips.c (USEFUL_INSN_P): Likewise.
	(mips16_insn_length): Robustify.
	(mips_has_long_branch_p): Remove redundant JUMP_TABLE_DATA_P test.
	(mips16_split_long_branches): Likewise.
	* config/pa/pa.c (pa_combine_instructions): Likewise.
	* config/rs6000/rs6000.c (get_next_active_insn): Treat
	JUMP_TABLE_DATA objects as active insns, like in active_insn_p.
	* config/s390/s390.c (s390_chunkify_start): Treat JUMP_TABLE_DATA
	as contributing to pool range lengths.
	* config/sh/sh.c (find_barrier): Restore check for ADDR_DIFF_VEC.
	Remove redundant JUMP_TABLE_DATA_P test.
	(sh_loop_align): Likewise.
	(split_branches): Likewise.
	(sh_insn_length_adjustment): Likewise.
	* config/spu/spu.c (get_branch_target): Likewise.

2013-03-29  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (output_profile_summary, input_profile_summary): Use
	gcov streaming; stream hot bb threshold to ltrans.
	* predict.c (get_hot_bb_threshold): Break out from ....
	(maybe_hot_count_p): ... here.
	(set_hot_bb_threshold): New function.
	* lto-section-in.c (lto_section_name): Add profile.
	* profile.h (get_hot_bb_threshold, set_hot_bb_threshold): Declare.
	* ipa.c: Include hash-table.h, tree-inline.h, profile.h, lto-streamer.h
	and data-streamer.h
	(histogram_entry): New structure.
	(histogram, histogram_pool): New global vars.
	(histogram_hash): New structure.
	(histogram_hash::hash): New method.
	(histogram_hash::equal): Likewise.
	(account_time_size): New function.
	(cmp_counts): New function.
	(dump_histogram): New function.
	(ipa_profile_generate_summary): New function.
	(ipa_profile_write_summary): New function.
	(ipa_profile_read_summary): New function.
	(ipa_profile): Decide on threshold.
	(pass_ipa_profile): Add ipa_profile_write_summary and
	ipa_profile_read_summary.
	* Makefile.in (ipa.o): Update dependencies.
	* lto-streamer.h (LTO_section_ipa_profile): New section.

2013-03-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* tree.h (VAR_P): New.

2013-03-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR lto/56777
	* doc/invoke.texi ([-fwhole-program]): Fix typo.

2013-03-29  Steven Bosscher  <steven@gcc.gnu.org>

	* cfgbuild.c (inside_basic_block_p): Use JUMP_TABLE_DATA_P in lieu
	of tests for JUMP_P and a ADDR_DIFF_VEC or ADDR_VEC pattern.
	(control_flow_insn_p): Likewise.
	* cfgrtl.c (duplicate_insn_chain): Likewise.
	* final.c (get_attr_length_1): Likewise.
	(shorten_branches): Likewise.
	(final_scan_insn): Likewise.
	* function.c (instantiate_virtual_regs): Likewise.
	* gcse.c (insert_insn_end_basic_block): Likewise.
	* ira-costs.c (scan_one_insn): Likewise.
	* lra-eliminations.c (eliminate_regs_in_insn): Likewise.
	* lra.c (check_rtl): Likewise.
	* reload1.c (elimination_costs_in_insn): Likewise.
	* reorg.c (follow_jumps): Likewise.

	* config/arm/arm.c (is_jump_table): Use JUMP_TABLE_DATA_P in lieu
	of tests for JUMP_P and a ADDR_DIFF_VEC or ADDR_VEC pattern.
	(thumb_far_jump_used_p): Likewise.
	* config/bfin/bfin.c (workaround_rts_anomaly): Likewise.
	(workaround_speculation): Likewise.
	(add_sched_insns_for_speculation): Likewise.
	* config/c6x/c6x.c (reorg_emit_nops): Likewise.
	* config/frv/frv.c (frv_function_contains_far_jump): Likewise.
	(frv_for_each_packet): Likewise.
	* config/i386/i386.c (ix86_avoid_jump_mispredicts): Likewise.
	* config/ia64/ia64.c (emit_all_insn_group_barriers): Likewise.
	(final_emit_insn_group_barriers): Likewise.
	* config/m32r/m32r.c (m32r_is_insn): Likewise.
	* config/mips/mips.c (USEFUL_INSN_P): Likewise.
	(mips16_insn_length): Likewise.
	* config/pa/pa.c (pa_reorg): Likewise.
	(pa_combine_instructions): Likewise.
	* config/rs6000/rs6000.c (rs6000_invalid_within_doloop): Likewise.
	* config/sh/sh.c (fixup_addr_diff_vecs): Likewise.
	(sh_reorg): Likewise.
	(split_branches): Likewise.
	* config/spu/spu.c (get_branch_target): Likewise.

	* config/s390/s390.c (s390_chunkify_start): Simplify logic using
	JUMP_TABLE_DATA_P.

2013-03-29  Kirill Yukhin  <kirill.yukhin@intel.com>

	* config/i386/avx2intrin.h (_mm256_broadcastsi128_si256):
	Fix declaration name.

2013-03-28  Lawrence Crowl  <crowl@google.com>

	* graphds.h (struct graph.indicies): Remove unused.
	* graphite-poly.h (struct graph.original_pddrs): Remove unused.
	(SCOP_ORIGINAL_PDDRS): Remove unused.
	* sese.h (extern insert_loop_close_phis): Removed unused.
	(extern insert_guard_phis): Removed unused.
	(extern ivtype_map_elt_info): Removed unused.
	(new_ivtype_map_elt): Removed unused.
	* sese.c (ivtype_map_elt_info): Removed unused.

2013-03-28  Lawrence Crowl  <crowl@google.com>

	* Makefile.in: Add several missing include dependences.
	(DUMPFILE_H): New.
	(test-dump.o): New.  This object is not added to any executable,
	but is present for ad-hoc testing.
	* bitmap.c
	(debug (const bitmap_head_def &)): New.
	(debug (const bitmap_head_def *)): New.
	* bitmap.h
	(extern debug (const bitmap_head_def &)): New.
	(extern debug (const bitmap_head_def *)): New.
	* cfg.c
	(debug (edge_def &)): New.
	(debug (edge_def *)): New.
	* cfghooks.c
	(debug (basic_block_def &)): New.
	(debug (basic_block_def *)): New.
	* dumpfile.h
	(dump_node (const_tree, int, FILE *)): Correct source file.
	* dwarf2out.c
	(debug (die_struct &)): New.
	(debug (die_struct *)): New.
	* dwarf2out.h
	(extern debug (die_struct &)): New.
	(extern debug (die_struct *)): New.
	* gimple-pretty-print.c
	(debug (gimple_statement_d &)): New.
	(debug (gimple_statement_d *)): New.
	* gimple-pretty-print.h
	(extern debug (gimple_statement_d &)): New.
	(extern debug (gimple_statement_d *)): New.
	* ira-build.c
	(debug (ira_allocno_copy &)): New.
	(debug (ira_allocno_copy *)): New.
	(debug (ira_allocno &)): New.
	(debug (ira_allocno *)): New.
	* ira-int.h
	(extern debug (ira_allocno_copy &)): New.
	(extern debug (ira_allocno_copy *)): New.
	(extern debug (ira_allocno &)): New.
	(extern debug (ira_allocno *)): New.
	* ira-lives.c
	(debug (live_range &)): New.
	(debug (live_range *)): New.
	* lra-int.h
	(debug (lra_live_range &)): New.
	(debug (lra_live_range *)): New.
	* lra-lives.c
	(debug (lra_live_range &)): New.
	(debug (lra_live_range *)): New.
	* omega.c
	(debug (omega_pb_d &)): New.
	(debug (omega_pb_d *)): New.
	* omega.h
	(extern debug (omega_pb_d &)): New.
	(extern debug (omega_pb_d *)): New.
	* print-rtl.c
	(debug (const rtx_def &)): New.
	(debug (const rtx_def *)): New.
	* print-tree.c
	(debug_tree (tree): Move within file.
	(debug_raw (const tree_node &)): New.
	(debug_raw (const tree_node *)): New.
	(dump_tree_via_hooks (const tree_node *, int)): New.
	(debug (const tree_node &)): New.
	(debug (const tree_node *)): New.
	(debug_verbose (const tree_node &)): New.
	(debug_verbose (const tree_node *)): New.
	(debug_head (const tree_node &)): New.
	(debug_head (const tree_node *)): New.
	(debug_body (const tree_node &)): New.
	(debug_body (const tree_node *)): New.
	(debug_vec_tree (tree): Move and reimplement in terms of dump.
	(debug (vec<tree, va_gc> &)): New.
	(debug (vec<tree, va_gc> *)): New.
	* rtl.h
	(extern debug (const rtx_def &)): New.
	(extern debug (const rtx_def *)): New.
	* sbitmap.c
	(debug_raw (simple_bitmap_def &)): New.
	(debug_raw (simple_bitmap_def *)): New.
	(debug (simple_bitmap_def &)): New.
	(debug (simple_bitmap_def *)): New.
	* sbitmap.h
	(extern debug (simple_bitmap_def &)): New.
	(extern debug (simple_bitmap_def *)): New.
	(extern debug_raw (simple_bitmap_def &)): New.
	(extern debug_raw (simple_bitmap_def *)): New.
	* sel-sched-dump.c
	(debug (vinsn_def &)): New.
	(debug (vinsn_def *)): New.
	(debug_verbose (vinsn_def &)): New.
	(debug_verbose (vinsn_def *)): New.
	(debug (expr_def &)): New.
	(debug (expr_def *)): New.
	(debug_verbose (expr_def &)): New.
	(debug_verbose (expr_def *)): New.
	(debug (vec<rtx> &)): New.
	(debug (vec<rtx> *)): New.
	* sel-sched-dump.h
	(extern debug (vinsn_def &)): New.
	(extern debug (vinsn_def *)): New.
	(extern debug_verbose (vinsn_def &)): New.
	(extern debug_verbose (vinsn_def *)): New.
	(extern debug (expr_def &)): New.
	(extern debug (expr_def *)): New.
	(extern debug_verbose (expr_def &)): New.
	(extern debug_verbose (expr_def *)): New.
	(extern debug (vec<rtx> &)): New.
	(extern debug (vec<rtx> *)): New.
	* sel-sched-ir.h
	(_list_iter_cond_expr): Make inline instead of static.
	* sreal.c
	(debug (sreal &)): New.
	(debug (sreal *)): New.
	* sreal.h
	(extern debug (sreal &)): New.
	(extern debug (sreal *)): New.
	* tree.h
	(extern debug_raw (const tree_node &)): New.
	(extern debug_raw (const tree_node *)): New.
	(extern debug (const tree_node &)): New.
	(extern debug (const tree_node *)): New.
	(extern debug_verbose (const tree_node &)): New.
	(extern debug_verbose (const tree_node *)): New.
	(extern debug_head (const tree_node &)): New.
	(extern debug_head (const tree_node *)): New.
	(extern debug_body (const tree_node &)): New.
	(extern debug_body (const tree_node *)): New.
	(extern debug (vec<tree, va_gc> &)): New.
	(extern debug (vec<tree, va_gc> *)): New.
	* tree-cfg.c
	(debug (struct loop &)): New.
	(debug (struct loop *)): New.
	(debug_verbose (struct loop &)): New.
	(debug_verbose (struct loop *)): New.
	* tree-dump.c: Add header dependence.
	* tree-flow.h
	(extern debug (struct loop &)): New.
	(extern debug (struct loop *)): New.
	(extern debug_verbose (struct loop &)): New.
	(extern debug_verbose (struct loop *)): New.
	* tree-data-ref.c
	(debug (data_reference &)): New.
	(debug (data_reference *)): New.
	(debug (vec<data_reference_p> &)): New.
	(debug (vec<data_reference_p> *)): New.
	(debug (vec<ddr_p> &)): New.
	(debug (vec<ddr_p> *)): New.
	* tree-data-ref.h
	(extern debug (data_reference &)): New.
	(extern debug (data_reference *)): New.
	(extern debug (vec<data_reference_p> &)): New.
	(extern debug (vec<data_reference_p> *)): New.
	(extern debug (vec<ddr_p> &)): New.
	(extern debug (vec<ddr_p> *)): New.
	* tree-ssa-alias.c
	(debug (pt_solution &)): New.
	(debug (pt_solution *)): New.
	* tree-ssa-alias.h
	(extern debug (pt_solution &)): New.
	(extern debug (pt_solution *)): New.
	* tree-ssa-alias.c
	(debug (_var_map &)): New.
	(debug (_var_map *)): New.
	(debug (tree_live_info_d &)): New.
	(debug (tree_live_info_d *)): New.
	* tree-ssa-alias.h
	(extern debug (_var_map &)): New.
	(extern debug (_var_map *)): New.
	(extern debug (tree_live_info_d &)): New.
	(extern debug (tree_live_info_d *)): New.

2013-03-28  Jan Hubicka  <jh@suse.cz>

	* lto-cgraph.c (merge_profile_summaries): Fix overflows.

2013-03-28  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (aarch64_can_eliminate): Keep frame
	record only when desired or required.

2013-03-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*vec_extract2vdi_1): Merge with
	*vec_extractv2di_1_rex64.  Use x64 isa attribute.

2013-03-28  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.md (*and<mode>3_compare0): New pattern.
	(*andsi3_compare0_uxtw): New pattern.
	(*and_<SHIFT:optab><mode>3_compare0): New pattern.
	(*and_<SHIFT:optab>si3_compare0_uxtw): New pattern.

2013-03-28  Jan Hubicka  <jh@suse.cz>

	* data-streamer-in.c (streamer_read_gcov_count): New function.
	* gimple-streamer-out.c: Include value-prof.h.
	(output_gimple_stmt): Output histogram.
	(output_bb): Use streamer_write_gcov_count.
	* value-prof.c: Include data-streamer.h
	(dump_histogram_value): Add HIST_TYPE_MAX.
	(stream_out_histogram_value): New function.
	(stream_in_histogram_value): New function.
	* value-prof.h (enum hist_type): Add HIST_TYPE_MAX.
	(stream_out_histogram_value, stream_in_histogram_value): Declare.
	* data-streamer-out.c (streamer_write_gcov_count): New function.
	(streamer_write_gcov_count_stream): New function.
	* lto-cgraph.c (lto_output_edge): Update counter streaming.
	(lto_output_node): Likewise.
	(input_node, input_edge): Likewise.
	* lto-streamer-out.c (output_cfg): Update streaming.
	* lto-streamer-in.c (input_cfg): Likewise.
	* data-streamer.h (streamer_write_gcov_count,
	streamer_write_gcov_count_stream, streamer_read_gcov_count): Declare.
	* gimple-streamer-in.c: Include value-prof.h
	(input_gimple_stmt): Input histograms.
	(input_bb): Update profile streaming.

2013-03-28  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* genmodes.c (emit_max_int): New function.
	(emit_insn_modes_h): Added call to emit_max_function.
	* doc/rtl.texi (MAX_BITSIZE_MODE_ANY_INT, MAX_BITSIZE_MODE_ANY_MODE):
	Added doc.
	* machmode.def: Fixed comment.

2013-03-28  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* combine.c (try_combine): Removed useless assert.
	* cselib.c (rtx_equal_for_cselib_1): Removed unnecessary parens.

2013-03-28  Marek Polacek  <polacek@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56695
	* tree-vect-stmts.c (vectorizable_condition): Unconditionally
	build signed result of a vector comparison.
	* tree-cfg.c (verify_gimple_comparison): Check that a result
	of a vector comparison has signed type.

2013-03-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/37021
	* tree-vect-slp.c (vect_build_slp_tree): When not unrolling
	do not restrict gaps between groups.
	* tree-vect-stmts.c (vectorizable_load): Properly account for
	a gap between groups.

2013-03-28  Eric Botcazou  <ebotcazou@adacore.com>

	* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
	general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
	is not enabled.

2013-03-27  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.
	* doc/extend.texi (Named Address Spaces): Ditto.
	(Variable Attributes): Ditto.

2013-03-27  Kai Tietz  <ktietz@redhat.com>

	* config.build: Add support for cygwin x64 target.
	* config.gcc: Likewise.
	* config.host: Likewise.
	* configure.ac: Likewise
	* configure: Regenerated.

2013-03-27 Kai Tietz  <ktietz@redhat.com>

	* config/i386/cygwin-stdint.h: Add support for cygwin x64 target.
	* config/i386/t-cygwin-w64: New file.
	* config/i386/cygwin-w64.h: New file.
	* config/i386/cygwin.h (EXTRA_OS_CPP_BUILTINS): Extend
	and add support for x64-cygwin target.
	(CPP_SPEC): Likewise.
	(CXX_WRAP_SPEC_LIST): Undefine before define.
	(LIBGCJ_SONAME): Use 15 as version.

2013-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56716
	* tree-ssa-structalias.c (perform_var_substitution): Adjust
	dumping for ref nodes.

2013-03-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55334
	* ipa-cp.c (initialize_node_lattices): Allow IPA-CP through and to
	restricted pointers to arrays.

2013-03-27  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* Makefile.in (.SUFFIXES): Add .cc.
	(.c.o): Apply same recipe for implicit rule .cc.o.

2013-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/37021
	* tree-vect-data-refs.c (vect_check_strided_load): Allow
	REALPART/IMAGPART_EXPRs around the supported refs.
	* tree-ssa-structalias.c (find_func_aliases): Assume that
	floating-point values are not used to transfer pointers.

2013-03-27  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	* target.def (TARGET_HAS_IFUNC_P): New target hook.
	* doc/tm.texi.in (TARGET_HAS_IFUNC_P): New.
	* doc/tm.texi: Regenerate.
	* targhooks.h (default_has_ifunc_p): New.
	* targhooks.c (default_has_ifunc_p): Ditto.
	* config/linux-protos.h: New file.
	* config/linux-android.h (TARGET_HAS_IFUNC_P): Using version of
	this hook for linux which disables support of indirect functions in
	android.
	* config/linux-android.c: New file.
	* config/t-linux-android.c: Ditto.
	* config.gcc: Added new object file linux-android.o.
	* config/i386/i386.c (ix86_get_function_versions_dispatcher):
	Using TARGET_HAS_IFUNC hook instead of HAVE_GNU_INDIRECT_FUNCTION.
	* varasm.c (do_assemble_alias): Likewise.
	* configure.ac: Define HAVE_GNU_INDIRECT_FUNCTION as zero if the target
	doesn't support indirect functions.
	* configure: Regenerate.

2013-03-27  Bin Cheng  <bin.cheng@arm.com>

	PR target/56102
	* config/arm/arm.c (thumb1_rtx_costs, thumb1_size_rtx_costs): Fix
	rtx costs for SET/ASHIFT/ASHIFTRT/LSHIFTRT/ROTATERT patterns with
	mult-word mode.

2013-03-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.h (TARGET_FLT_EVAL_METHOD): Define.

2013-03-27  Terry Guo  <terry.guo@arm.com>

	* config/arm/arm-cores.def: Added core cortex-r7.
	* config/arm/arm-tune.md: Regenerated.
	* config/arm/arm-tables.opt: Regenerated.
	* doc/invoke.texi: Added entry for core cortex-r7.

2013-03-27  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
	double-decrement of next_scratch_regno.

2013-03-27  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on
	input operands.
	(insn_v1mulus): Ditto.
	(insn_v2muls): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete extra tab.
	(ASM_OUTPUT_ADDR_DIFF_ELT): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute for jr.
	(*sibcall_value): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.md (insn_mnz_<mode>): Replaced by ...
	(insn_mnz_v8qi): ... this ...
	(insn_mnz_v4hi): ... and this.  Replace (const_int 0) with the
	vector equivalent.
	(insn_v<n>mnz): Replaced by ...
	(insn_v1mnz): ... this ...
	(insn_v2mnz): ... and this.  Replace (const_int 0) with the vector
	equivalent.
	(insn_mz_<mode>): Replaced by ...
	(insn_mz_v8qi): ... this ...
	(insn_mz_v4hi): ... and this.  Replace (const_int 0) with the
	vector equivalent.
	(insn_v<n>mz): Replaced by ...
	(insn_v1mz): ... this ...
	(insn_v2mz): ... and this.  Replace (const_int 0) with the vector
	equivalent.

2013-03-26  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (SPARC options): Remove -mlittle-endian.

2013-03-26  Roland McGrath  <mcgrathr@google.com>

	* config/arm/arm.c (arm_print_operand: case 'w'): Use fputs rather
	than fprintf with a non-constant, non-format string.

2013-03-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*cmpqi_ext_1): Merge with *cmpqi_ext_1_rex64
	using nox64 isa attribute.  Use nonimmediate_x86nomem_operand as
	operand 0 predicate.
	(*cmpqi_ext_3): Merge with *cmpqi_ext_3_rex64 using nox64 isa
	attribute.  Use general_x64nomem_operand as operand 1 predicate.
	(*movqi_extv_1): Merge with *movqi_extv_1_rex64 using nox64 isa
	attribute.  Use nonimmediate_x64nomem_operand as operand 0 predicate.
	(*movqi_extzv_2): Merge with *movqi_extzv_2_rex64 using nox64 isa
	attribute.  Use nonimmediate_x64nomem_operand as operand 0 predicate.
	(mov<mode>_insv_1): Remove expander.  Merge insn with
	movsi_insv_1 using SWI48 mode iterator and nox64 isa attribute.
	Use general_x64nomem_operand as operand 1 predicate.
	(addqi_ext_1): Merge with *addqi_ext_1_rex64 using nox64 isa attribute.
	(*testqi_ext_1): Merge with *testqi_ext_1_rex64 using nox64 isa
	attribute.  Use nonimmediate_x64nomem_operand as operand 1 predicate.
	(*andqi_ext_1): Merge with *andqi_ext_1_rex64 using nox64 isa
	attribute.  Use nonimmediate_x64nomem_operand as operand 2 predicate.
	(*<code>qi_ext_1): Merge with *<code>qi_ext_1_rex64 using nox64 isa
	attribute.  Use nonimmediate_x64nomem_operand as operand 1 predicate.
	(*xorqi_cc_ext_1): Merge with *xorqi_cc_ext_1_rex64 using nox64
	isa attribute.  Use general_x64nomem_operand as operand 2 predicate.
	* config/i386/predicates.md (nonimmediate_x64nomem_operand): New.
	(general_x64nomem_operand): Ditto.

2013-03-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/rtems.opt: Add -pthread option.

2013-03-26  Richard Biener  <rguenther@suse.de>

	* alias.c (find_base_term): Avoid redundant and not used recursion.
	(base_alias_check): Get the initial base term from the caller.
	(true_dependence_1): Compute and pass base terms to base_alias_check.
	(write_dependence_p): Likewise.
	(may_alias_p): Likewise.

2013-03-26  Sofiane Naci  <sofiane.naci@arm.com>

	* config/aarch64/aarch64.c (aarch64_classify_address): Support
	PC-relative load in SI modes and above only.

2013-03-26  Xinyu Qi  <xyqi@marvell.com>

	* config/arm/arm.h (FIRST_IWMMXT_GR_REGNUM): Add comment.
	* config/arm/iwmmxt.md (WCGR0): Update.
	(WCGR1, WCGR2, WCGR3): Likewise.

2013-03-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdfcc_1): Merge with *movdfcc_1_rex64.
	Use x64 and nox64 isa attributes.

2013-03-26  Richard Biener  <rguenther@suse.de>

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
	alignment computations and rely on get_object_alignment_1
	for the !TYPE_P case.
	Commonize DECL/COMPONENT_REF handling in the ARRAY_REF path.

2013-03-26  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define.
	* config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define.

2013-03-25  Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (record_equivalences_from_incoming_edge): Add missing
	check for INTEGRAL_TYPE_P that was missing due to checking in
	wrong version of prior patch.

2013-03-25  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add
	TILEGX_INSN_SHUFFLEBYTES1.
	* config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for
	shufflebytes1.
	(tilegx_builtins): Ditto.
	* config/tilegx/tilegx.md (insn_shufflebytes1): New pattern.

2013-03-25  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.md (floatsisf2): New pattern.
	(floatunssisf2): New pattern.
	(floatsidf2): New pattern.
	(floatunssidf2): New pattern.

2013-03-25  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline
	tests for constraint J, K, N, P.

2013-03-25  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format):
	Use indirect/pcrel encoding.
	* config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format):
	Ditto.

2013-03-25  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mmips-cpus.def (74kc, 74kf2_1, 74kf, 74kf, 74kf1_1,
	74kfx, 74kx, 74kf3_2): Add PTF_AVOID_IMADD.
	* config/mips/mips.c (mips_option_override): Set IMADD default.
	* config/mips/mips.h (PTF_AVOID_IMADD): New.
	(ISA_HAS_MADD_MSUB): Remove MIPS16 check.
	(GENERATE_MADD_MSUB): Remove TUNE_74K check, add MIPS16 check.
	* config/mips/mips.md (mimadd): New flag for integer madd/msub.
	* doc/invoke.texi (-mimadd/-mno-imadd): New.

2013-03-25  Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (record_equivalences_from_incoming_edge): Rework
	slightly to avoid creating and folding useless trees.  Simplify
	slightly by restricting to INTEGER_CSTs and using int_fits_type_p.

2013-03-25  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*zero_extendsidi2): Merge with
	*zero_extendsidi2_rex64.  Use x64 and nox64 isa attributes.
	* config/i386/predicates.md (x86_64_zext_operand): Rename from
	x86_64_zext_general_operand.  Use nonimmediate_operand on 32bit
	targets.  Clarify comment.

2013-03-25  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_write_jump_function): Stream simple and aritmetic
	pass-through jump functions differently.
	(ipa_read_jump_function): Likewise.  Also use setter functions to set
	up jump functions.

2013-03-25  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipa_get_indirect_edge_target): Renamed to
	ipa_get_indirect_edge_target_1, added parameter agg_reps and ability to
	process it.
	(ipa_get_indirect_edge_target): New function.
	(devirtualization_time_bonus): New parameter known_aggs, pass it to
	ipa_get_indirect_edge_target.  Update all callers.
	(ipcp_discover_new_direct_edges): New parameter aggvals.  Pass it to
	ipa_get_indirect_edge_target_1 instead of calling
	ipa_get_indirect_edge_target.
	(create_specialized_node): Pass aggvlas to
	ipcp_discover_new_direct_edges.

2013-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (f_sels, f_seld): New types.
	(*cmov<mode>): New pattern.
	* config/arm/predicates.md (arm_vsel_comparison_operator): New
	predicate.

2013-03-25  Kai Tietz  <ktietz@redhat.com>

	* config/i386/xm-mingw32.h (__USE_MINGW_ANSI_STDIO): Enable
	POSIX-printf for mingw-hosted  builds.

2013-03-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/56694
	* tree-eh.c (lower_eh_must_not_throw): Strip BLOCKs from the
	must-not-throw stmt location.

2013-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (arm_emit_load_exclusive): Add acq parameter.
	Emit load-acquire versions when acq is true.
	(arm_emit_store_exclusive): Add rel parameter.
	Emit store-release versions when rel is true.
	(arm_split_compare_and_swap): Use acquire-release instructions
	instead.
	of barriers when appropriate.
	(arm_split_atomic_op): Likewise.
	* config/arm/arm.h (TARGET_HAVE_LDACQ): New macro.
	* config/arm/unspecs.md (VUNSPEC_LAX): New unspec.
	(VUNSPEC_SLX): Likewise.
	(VUNSPEC_LDA): Likewise.
	(VUNSPEC_STL): Likewise.
	* config/arm/sync.md (atomic_load<mode>): New pattern.
	(atomic_store<mode>): Likewise.
	(arm_load_acquire_exclusive<mode>): Likewise.
	(arm_load_acquire_exclusivesi): Likewise.
	(arm_load_acquire_exclusivedi): Likewise.
	(arm_store_release_exclusive<mode>): Likewise.

2013-03-25  Catherine Moore  <clm@codesourcery.com>

	* config/mips/constraints.md (u, Udb7 Uead, Uean, Uesp, Uib3,
	Uuw6, Usb4, ZS, ZT, ZU, ZV, ZW): New constraints.
	* config/mip/predicates.md (lwsp_swsp_operand,
	lw16_sw16_operand, lhu16_sh16_operand, lbu16_operand,
	sb16_operand, db4_operand, db7_operand, ib3_operand,
	sb4_operand, ub4_operand, uh4_operand, uw4_operand,
	uw5_operand, uw6_operand, addiur2_operand, addiusp_operand,
	andi16_operand): New predicates.
	* config/mips/mips.md (compression): New attribute.
	(enabled): New attribute.
	(length): Consider compression in computing length.
	(shift_compression): New code attribute.
	(*add<mode>3): New operands. Record compression.
	(sub<mode>3): Likewise.
	(one_cmpl<mode>2): Likewise.
	(*and<mode>3): Likewise.
	(*ior<mode>3): Likewise.
	(unnamed pattern for xor): Likewise.
	(*zero_extend<SHORT:mode><GPR:mode>2): Likewise.
	(*<optab><mode>3): Likewise.
	(*mov<mode>_internal: Likewise.
	* config/mips/mips-protos.h (mips_signed_immediate_p): New.
	(mips_unsigned_immediate_p): New.
	(umips_lwsp_swsp_address_p): New.
	(m16_based_address_p): New.
	* config/mips/mips-protos.h (mips_signed_immediate_p): New prototype.
	(mips_unsigned_immediate_p): New prototype.
	(lwsp_swsp_address_p): New prototype.
	(m16_based_address_p): New prototype.
	* config/mips/mips.c (mips_unsigned_immediate_p): New function.
	(mips_signed_immediate_p): New function.
	(m16_based_address_p): New function.
	(lwsp_swsp_address_p): New function.
	(mips_print_operand_punctuation): Recognize short delay slot insns
	for microMIPS.add<mode>3"

2013-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56720
	* config/arm/iterators.md (v_cmp_result): New mode attribute.
	* config/arm/neon.md (vcond<mode><mode>): Handle unordered cases.

2013-03-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56689
	* tree-vrp.c (execute_vrp): Mark loops for fixup if we removed
	any edge.

2013-03-25  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (struct mem_ref): Use bitmap_head instead
	of bitmap.
	(memory_references): Likewise.
	(outermost_indep_loop, mem_ref_alloc, mark_ref_stored,
	gather_mem_refs_stmt, record_dep_loop, ref_indep_loop_p_1,
	ref_indep_loop_p_2, find_refs_for_sm): Adjust.
	(gather_mem_refs_in_loops): Fold into ...
	(analyze_memory_references): ... this.  Move initialization
	to tree_ssa_lim_initialize.
	(fill_always_executed_in): Rename to ...
	(fill_always_executed_in_1): ... this.
	(fill_always_executed_in): Move contains_call computation to
	this new function from ...
	(tree_ssa_lim_initialize): ... here.
	(tree_ssa_lim): Call fill_always_executed_in.

2013-03-25  Eric Botcazou  <ebotcazou@adacore.com>

	* postreload.c (reload_combine): Fix code detecting returns.

2013-03-25  Eric Botcazou  <ebotcazou@adacore.com>

	* function.c (emit_use_return_register_into_block): On cc0 targets,
	do not emit the sequence between cc0 setter and user.

2013-03-25  Kai Tietz  <ktietz@redhat.com>

	* config/i386/predicates.md (local_symbolic_operand): Interpret
	dll-imported symbols as none-local.

2013-03-25  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (struct depend): Remove.
	(struct lim_aux_data): Make depends a vec of gimples.
	(free_lim_aux_data): Adjust.
	(add_dependency): Likewise.
	(set_level): Likewise.

2013-03-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/56434
	* calls.c (expand_call): Use MALLOC_ABI_ALIGNMENT to annotate
	the pointer returned by calls with ECF_MALLOC set.

2013-03-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md (mov<mode>): Add ?!Ym,r and r,?!Ym alternatives.

2013-03-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md (mov<mode>): Merge with movv2sf expander
	using MMXMODE mode iterator.
	(*move<mode>_internal): Merge with *movv2sf_internal and
	*movv2sf_internal_rex64 using MMXMODE mode iterator.

2013-03-23  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (oprs_unchanged_p): Respect flag_gcse_lm.
	(record_last_mem_set_info): Likewise.

	* df-core.c (rest_of_handle_df_initialize): Use XCNEWVEC instead
	of XNEWVEC followed by memset.
	(df_worklist_dataflow): Use XNEWVEC instead of xmalloc with a cast.

2013-03-23  Steven Bosscher  <steven@gcc.gnu.org>

	* config/avr/avr.c, config/bfin/bfin.c, config/c6x/c6x.c,
	config/epiphany/epiphany.c, config/frv/frv.c, config/ia64/ia64.c,
	config/iq2000/iq2000.c, config/mcore/mcore.c, config/mep/mep.c,
	config/mmix/mmix.c, config/pa/pa.c, config/rs6000/rs6000.c,
	config/s390/s390.c, config/sparc/sparc.c, config/spu/spu.c,
	config/stormy16/stormy16.c, config/v850/v850.c, config/xtensa/xtensa.c,
	dwarf2out.c, hw-doloop.c, resource.c, rtl.h : Where applicable, use
	the predicates NOTE_P, NONJUMP_INSN_P, JUMP_P, CALL_P, LABEL_P, and
	BARRIER_P instead of GET_CODE.

2013-03-23  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_emit_probe_stack_range): Fix small
	inaccuracy in the probing code.

	* config/sparc/sparc.md (ctrapsi4): Add predicate for operand #3.
	(ctrapdi4): Likewise.

2013-03-23  Eric Botcazou  <ebotcazou@adacore.com>

	* calls.c (expand_call): Add missing guard to code handling return
	of non-BLKmode structures in MSB.
	* function.c (expand_function_end): Likewise.

2013-03-23  Eric Botcazou  <ebotcazou@adacore.com>

	* combine.c (try_combine): Adjust comment.  Do not add the set of
	insn #0 if the destination indirectly is set or dies in insn #2.
	Tidy up code to distribute a new note.

2013-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal): Set prefix_rex attribute
	also for alternatives 16 and 17.

2013-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*mov<mode>_internal): Merge with
	*mov<mode>_internal_rex64.  Use x64 and nox64 isa attributes.
	Emit insn template depending on type attribute.  Use
	HAVE_AS_IX86_INTERUNIT_MOVQ to handle broken assemblers that require
	movd instead of movq mnemonic for interunit moves.  Rewrite mode
	attribute calculation.  Remove unit attribute calculation.
	Set prefix attribute to maybe_vex for sselog1 and ssemov types.
	Set prefix_data16 attribute for DImode ssemov types.
	Use Ym instead of y for SSE-MMX conversion alternatives.
	Reorder operand constraints.

2013-03-22  Steven Bosscher  <steven@gcc.gnu.org>

	* df.h (df_insn_delete): Adjust prototype.
	* emit-rtl.c (remove_insn): Pass a basic block to df_insn_delete
	and let it decide whether mark the basic block dirty.
	(set_insn_deleted): Only pass INSN_P insns to df_insn_delete.
	* df-scan.c (df_insn_info_delete): New helper function, split
	off from df_insn_delete.
	(df_scan_free_bb_info): Use it.
	(df_insn_rescan, df_insn_rescan_all, df_process_deferred_rescans):
	Likewise.
	(df_insn_delete): Likewise.  Take insn rtx as argument.  Verify
	that the insn is actually an insn and it has a non-NULL basic block.
	Do not mark basic block dirty if only deleting a DEBUG_INSN.

2013-03-22  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (struct mem_ref): Remove indep_ref and
	dep_ref members.
	(mem_ref_alloc): Do not allocate them.
	(refs_independent_p): Do not query or maintain a cache.

2013-03-22  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (memory_references): Drop all_refs_in_loop.
	(gather_mem_refs_in_loops): Do not compute it.
	(analyze_memory_references): Do not allocate it.
	(tree_ssa_lim_finalize): Do not free it.
	(for_all_locs_in_loop): Do not query all_refs_in_loop.

2013-03-22  Richard Biener  <rguenther@suse.de>

	* is-a.h (as_a): Use gcc_checking_assert.

2013-03-22  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (aarch64_print_operand): New
	format specifier for printing a constant in hex.
	* config/aarch64/aarch64.md (insv_imm<mode>): Use the X
	format specifier for printing second operand.

2013-03-22  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (memory_references): Add refs_stored_in_loop
	bitmaps.
	(gather_mem_refs_in_loops): Perform store accumulation here.
	(create_vop_ref_mapping_loop): Remove.
	(create_vop_ref_mapping): Likewise.
	(analyze_memory_references): Initialize refs_stored_in_loop.
	(LOOP_DEP_BIT): New define to map to bits in (in)dep_loop bitmaps.
	(record_indep_loop): Remove.
	(record_dep_loop): New function.
	(ref_indep_loop_p_1): Adjust to only walk over references
	in the loop, not its subloops.
	(ref_indep_loop_p): Rename to ...
	(ref_indep_loop_p_2): ... this and recurse over the loop tree,
	maintaining a more fine-grained cache.
	(ref_indep_loop_p): Wrap ref_indep_loop_p_2.
	(tree_ssa_lim_finalize): Free refs_stored_in_loop.

2013-03-22  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (struct mem_ref_locs): Remove.
	(struct mem_ref): Make accesses_in_loop a vec of a vec of
	aggregate mem_ref_loc.
	(free_mem_ref_locs): Inline into ...
	(memref_free): ... this and adjust.
	(mem_ref_alloc): Adjust.
	(mem_ref_locs_alloc): Remove.
	(record_mem_ref_loc): Adjust.
	(get_all_locs_in_loop): Rewrite into ...
	(for_all_locs_in_loop): ... this iterator.
	(rewrite_mem_ref_loc): New functor.
	(rewrite_mem_refs): Use for_all_locs_in_loop.
	(sm_set_flag_if_changed): New functor.
	(execute_sm_if_changed_flag_set): Use for_all_locs_in_loop.
	(ref_always_accessed): New functor.
	(ref_always_accessed_p): Use for_all_locs_in_loop.

2013-03-21  Marc Glisse  <marc.glisse@inria.fr>

	* tree-pass.h (PROP_gimple_lvec): New.
	* passes.c (dump_properties): Handle PROP_gimple_lvec.
	(init_optimization_passes): Move pass_lower_vector.
	* tree-vect-generic.c (gate_expand_vector_operations_ssa): Test
	PROP_gimple_lvec.
	(pass_lower_vector): Provide PROP_gimple_lvec.
	(pass_lower_vector_ssa): Likewise.
	* cfgexpand.c (pass_expand): Require PROP_gimple_lvec.

2013-03-21  Mark Wielaard  <mjw@redhat.com>

	* dwarf2out.c (size_of_aranges): Skip DECL_IGNORED_P functions.

2013-03-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal): Disparage slightly
	all MMX moves to/from memory.  Use Yi instead of x for SSE-MMX
	conversion alternatives.

2013-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48087
	* diagnostic.def (DK_WERROR): New kind.
	* diagnostic.h (werrorcount): Define.
	* diagnostic.c (diagnostic_report_diagnostic): For DK_WARNING
	promoted to DK_ERROR, increment DK_WERROR counter instead of
	DK_ERROR counter.
	* toplev.c (toplev_main): Call print_ignored_options even if
	just werrorcount is non-zero.  Exit with FATAL_EXIT_CODE
	even if just werrorcount is non-zero.

	PR debug/55608
	* dwarf2out.c (tree_add_const_value_attribute): Call ggc_free (array)
	on failure.
	(resolve_one_addr): Fail if referenced STRING_CST hasn't been written.
	(string_cst_pool_decl): New function.
	(optimize_one_addr_into_implicit_ptr): New function.
	(resolve_addr_in_expr): Optimize DWARF location expression
	DW_OP_addr DW_OP_stack_value where DW_OP_addr refers to some variable
	which doesn't live in memory, but has DW_AT_location or
	DW_AT_const_value, or refers to a string literal, into
	DW_OP_GNU_implicit_pointer.
	(optimize_location_into_implicit_ptr): New function.
	(resolve_addr): If removing DW_AT_location of a variable because
	it was DW_OP_addr of address of the variable, but the variable doesn't
	live in memory, try to emit const value attribute for the initializer.

2013-03-21  Marc Glisse  <marc.glisse@inria.fr>

	* tree.h (VECTOR_TYPE_P): New macro.
	(VECTOR_INTEGER_TYPE_P, VECTOR_FLOAT_TYPE_P, FLOAT_TYPE_P,
	TYPE_MODE): Use it.
	* fold-const.c (fold_cond_expr_with_comparison): Use build_zero_cst.
	VEC_COND_EXPR cannot be lvalues.
	(fold_ternary_loc) <VEC_COND_EXPR>: Merge with the COND_EXPR case.

2013-03-21  Marc Glisse  <marc.glisse@inria.fr>

	* simplify-rtx.c (simplify_binary_operation_1) <VEC_CONCAT>:
	Restrict the transformation to equal modes.

2013-03-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/39326
	* tree-ssa-loop-im.c (UNANALYZABLE_MEM_ID): New define.
	(MEM_ANALYZABLE): Adjust.
	(record_mem_ref_loc): Move bitmap ops ...
	(gather_mem_refs_stmt): ... here.  Use the shared mem-ref for
	unanalyzable refs, do not record locations for it.
	(analyze_memory_references): Allocate ref zero as shared
	unanalyzable ref.
	(refs_independent_p): Do not test for unanalyzed mems here.
	(ref_indep_loop_p_1): Special-case disambiguation against
	the unanalyzed ref.
	(ref_indep_loop_p): Assert we are not queried for the unanalyzed mem.

2013-03-21  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/arm/arm-protos.h (tune_params): Add
	prefer_neon_for_64bits field.
	* config/arm/arm.c (prefer_neon_for_64bits): New variable.
	(arm_slowmul_tune): Default prefer_neon_for_64bits to false.
	(arm_fastmul_tune, arm_strongarm_tune, arm_xscale_tune): Ditto.
	(arm_9e_tune, arm_v6t2_tune, arm_cortex_tune): Ditto.
	(arm_cortex_a15_tune, arm_cortex_a5_tune): Ditto.
	(arm_cortex_a9_tune, arm_v6m_tune, arm_fa726te_tune): Ditto.
	(arm_option_override): Handle -mneon-for-64bits new option.
	* config/arm/arm.h (TARGET_PREFER_NEON_64BITS): New macro.
	(prefer_neon_for_64bits): Declare new variable.
	* config/arm/arm.md (arch): Rename neon_onlya8 and neon_nota8 to
	avoid_neon_for_64bits and neon_for_64bits. Remove onlya8 and nota8.
	(arch_enabled): Handle new arch types. Remove support for onlya8
	and nota8.
	(one_cmpldi2): Use new arch names.
	(zero_extend<mode>di2, extend<mode>di2): Ditto.
	* config/arm/arm.opt (mneon-for-64bits): Add option.
	* config/arm/neon.md (adddi3_neon, subdi3_neon, iordi3_neon)
	(anddi3_neon, xordi3_neon, ashldi3_neon, <shift>di3_neon): Use
	neon_for_64bits instead of nota8 and avoid_neon_for_64bits instead
	of onlya8.
	* doc/invoke.texi (-mneon-for-64bits): Document.

2013-03-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/39326
	* tree-ssa-loop-im.c (bb_loop_postorder): New global static.
	(sort_bbs_in_loop_postorder_cmp): New function.
	(gather_mem_refs_in_loops): Assign mem-ref IDs in loop postorder.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_update_interleaving_chain): Remove.
	(vect_insert_into_interleaving_chain): Likewise.
	(vect_drs_dependent_in_basic_block): Inline ...
	(vect_slp_analyze_data_ref_dependence): ... here.  New function,
	split out from ...
	(vect_analyze_data_ref_dependence): ... here.  Simplify.
	(vect_check_interleaving): Simplify.
	(vect_analyze_data_ref_dependences): Likewise.  Split out ...
	(vect_slp_analyze_data_ref_dependences): ... this new function.
	(dr_group_sort_cmp): New function.
	(vect_analyze_data_ref_accesses): Compute data-reference groups
	here instead of in vect_analyze_data_ref_dependence.  Use
	a more efficient algorithm.
	* tree-vect-slp.c (vect_slp_analyze_bb_1): Use
	vect_slp_analyze_data_ref_dependences.  Call
	vect_analyze_data_ref_accesses earlier.
	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
	* tree-vectorizer.h (vect_analyze_data_ref_dependences): Adjust.
	(vect_slp_analyze_data_ref_dependences): New prototype.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-im.c (can_sm_ref_p): Do not test whether
	ref is stored in the loop.
	(find_refs_for_sm): Walk only over all stores.
	(store_motion_loop): Allocate from lim_bitmap_obstack.
	(store_motion): Likewise.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge):
	Update virtual SSA form.

2013-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_frame_ciev3): New test.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/sol2.c (solaris_override_options): Only enforce DWARF 2
	if !HAVE_LD_EH_FRAME_CIEV3.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (verify_expr_no_block): New function.
	(verify_expr_location_1): Verify that neither DECL_DEBUG_EXPR
	nor DECL_VALUE_EXPR have locations with associated blocks.
	* tree-ssa-live.c (clear_unused_block_pointer_1): Remove.
	(clear_unused_block_pointer): Remove code dealing with
	blocks in DECL_DEBUG_EXPR locations.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* tree.h (DECL_DEBUG_EXPR_IS_FROM): Rename to ...
	(DECL_HAS_DEBUG_EXPR_P): ... this.  Guard properly.
	* tree.c (copy_node_stat): Do not copy DECL_HAS_DEBUG_EXPR_P.
	* dwarf2out.c (add_var_loc_to_decl): Use DECL_HAS_DEBUG_EXPR_P
	instead of DECL_DEBUG_EXPR_IS_FROM.
	* gimplify.c (gimplify_modify_expr): Likewise.
	* tree-cfg.c (verify_expr_location_1): Likewise.
	* tree-complex.c (create_one_component_var): Likewise.
	* tree-sra.c (create_access_replacement): Likewise.
	* tree-ssa-live.c (clear_unused_block_pointer_1): Likewise.
	(clear_unused_block_pointer): Likewise.
	* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
	* tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
	* var-tracking.c (var_debug_decl): Likewise.
	(track_expr_p): Likewise.
	* tree-inline.c (add_local_variables): Likewise.  Set
	DECL_HAS_DEBUG_EXPR_P after copying it.
	* tree-diagnostic.c (default_tree_printer): Use DECL_HAS_DEBUG_EXPR_P
	instead of DECL_DEBUG_EXPR_IS_FROM.  Guard properly.

2013-03-21  Uros Bizjak  <ubizjak@gmail.com>

	PR bootstrap/56656
	* configure.ac (HAVE_AS_IX86_INTERUNIT_MOVQ): New test.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/i386.md (*movdf_internal): Use
	HAVE_AS_IX86_INTERUNIT_MOVQ to handle broken assemblers that require
	movd instead of movq mnemonic for interunit moves.
	(*movdi_internal): Ditto.

2013-03-21  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64-simd.md (simd_fabd): New Attribute.
	(abd<mode>_3): New pattern.
	(aba<mode>_3): New pattern.
	(fabd<mode>_3): New pattern.

2013-03-21  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64-elf.h (REGISTER_PREFIX): Remove.
	* config/aarch64/aarch64.c (aarch64_print_operand): Remove all
	occurrence of REGISTER_PREFIX as its empty string.

2013-03-20  Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (record_equivalences_from_incoming_edge): Record
	addititional equivalences for equality comparisons between an SSA_NAME
	and a constant where the SSA_NAME was set from a widening conversion.

2013-03-20  Walter Lee  <walt@tilera.com>

	* config/tilegx/sync.md (atomic_test_and_set): New pattern.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movoi_internal_avx): Emit insn template
	depending on type attribute.
	(*movti_internal): Ditto.
	(*movtf_internal): Ditto.
	(*movxf_internal): Ditto.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movti_internal): Set prefix attribute to
	maybe_vex for sselog1 and ssemov types.
	(*movdi_internal): Reorder operand constraints.
	(*movsi_internal): Ditto.  Set prefix attribute to
	maybe_vex for sselog1 and ssemov types.
	(*movtf_internal): Set prefix attribute to maybe_vex
	for sselog1 and ssemov types.
	(*movdf_internal): Ditto.  Set prefix_data16 attribute for
	DImode ssemov types.  Reorder operand constraints.
	(*movsf_internal): Set type of alternatives 3,4 to imov.  Set prefix
	attribute to maybe_vex for sselog1 and ssemov types.  Set prefix_data16
	attribute for SImode ssemov types.  Reorder operand constraints.

2013-03-20  Martin Jambor  <mjambor@suse.cz>

	* params.def (PARAM_IPA_CP_ARRAY_INDEX_HINT_BONUS): New parameter.
	* ipa-cp.c (hint_time_bonus): Add abonus for known array indices.

2013-03-20  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/predicates.md (indexed_address, update_address_mem
	update_indexed_address_mem): New predicates.
	* config/rs6000/vsx.md (vsx_extract_<mode>_zero): Set correct "type"
	attribute for load/store instructions.
	* config/rs6000/dfp.md (movsd_store): Likewise.
	(movsd_load): Likewise.
	* config/rs6000/rs6000.md (zero_extend<mode>di2_internal1): Likewise.
	(unnamed HI->DI extend define_insn): Likewise.
	(unnamed SI->DI extend define_insn): Likewise.
	(unnamed QI->SI extend define_insn): Likewise.
	(unnamed QI->HI extend define_insn): Likewise.
	(unnamed HI->SI extend define_insn): Likewise.
	(unnamed HI->SI extend define_insn): Likewise.
	(extendsfdf2_fpr): Likewise.
	(movsi_internal1): Likewise.
	(movsi_internal1_single): Likewise.
	(movhi_internal): Likewise.
	(movqi_internal): Likewise.
	(movcc_internal1): Correct mnemonic for stw insn. Set correct "type"
	attribute for load/store instructions.
	(mov<mode>_hardfloat): Set correct "type" attribute for load/store
	instructions.
	(mov<mode>_softfloat): Likewise.
	(mov<mode>_hardfloat32): Likewise.
	(mov<mode>_hardfloat64): Likewise.
	(mov<mode>_softfloat64): Likewise.
	(movdi_internal32): Likewise.
	(movdi_internal64): Likewise.
	(probe_stack_<mode>): Likewise.

2013-03-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/vector.md (VEC_R): Add 32-bit integer, binary
	floating point, and decimal floating point to reload iterator.

	* config/rs6000/constraints.md (wl constraint): New constraints to
	return FLOAT_REGS if certain options are used to reduce the number
	of separate patterns that exist in the file.
	(wx constraint): Likewise.
	(wz constraint): Likewise.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): If
	-mdebug=reg, print wg, wl, wx, and wz constraints.
	(rs6000_init_hard_regno_mode_ok): Initialize new constraints.
	Initialize the reload functions for 64-bit binary/decimal floating
	point types.
	(reg_offset_addressing_ok_p): If we are on a power7 or later, use
	LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
	create the buffer on the stack to overcome not having a 32-bit
	load and store.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_alloc_sdmode_stack_slot): Likewise.
	(rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
	via xxlxor, just like DFmode 0.0.

	* config/rs6000/rs6000.h (TARGET_NO_SDMODE_STACK): New macro,
	define as 1 if we are running on a power7 or newer.
	(enum r6000_reg_class_enum): Add new constraints.

	* config/rs6000/dfp.md (movsd): Delete, combine with binary
	floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
	with other moves by using conditional constraits (wg).  Use LFIWZX
	and STFIWX for loading SDmode on power7.  Use xxlxor to create 0.0f.
	(movsd splitter): Likewise.
	(movsd_hardfloat): Likewise.
	(movsd_softfloat): Likewise.

	* config/rs6000/rs6000.md (FMOVE32): New iterators to combine
	binary and decimal floating point moves.
	(fmove_ok): New attributes to combine binary and decimal floating
	point moves, and to combine power6x (mfpgpr) moves along normal
	floating moves.
	(real_value_to_target): Likewise.
	(f32_lr): Likewise.
	(f32_lm): Likewise.
	(f32_li): Likewise.
	(f32_sr): Likewise.
	(f32_sm): Likewise.
	(f32_si): Likewise.
	(movsf): Combine binary and decimal floating point moves.  Combine
	power6x (mfpgpr) moves with other moves by using conditional
	constraits (wg).  Use LFIWZX and STFIWX for loading SDmode on power7.
	(mov<mode> for SFmode/SDmode); Likewise.
	(SFmode/SDmode splitters): Likewise.
	(movsf_hardfloat): Likewise.
	(mov<mode>_hardfloat for SFmode/SDmode): Likewise.
	(movsf_softfloat): Likewise.
	(mov<mode>_softfloat for SFmode/SDmode): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wl,
	wx and wz constraints.

	* config/rs6000/constraints.md (wg constraint): New constraint to
	return FLOAT_REGS if -mmfpgpr (power6x) was used.

	* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Add wg
	constraint.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): If
	-mdebug=reg, print wg, wl, wx, and wz constraints.
	(rs6000_init_hard_regno_mode_ok): Initialize new constraints.
	Initialize the reload functions for 64-bit binary/decimal floating
	point types.
	(reg_offset_addressing_ok_p): If we are on a power7 or later, use
	LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
	create the buffer on the stack to overcome not having a 32-bit
	load and store.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_alloc_sdmode_stack_slot): Likewise.
	(rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
	via xxlxor, just like DFmode 0.0.

	* config/rs6000/dfp.md (movdd): Delete, combine with binary
	floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
	with other moves by using conditional constraits (wg).  Use LFIWZX
	and STFIWX for loading SDmode on power7.
	(movdd splitters): Likewise.
	(movdd_hardfloat32): Likewise.
	(movdd_softfloat32): Likewise.
	(movdd_hardfloat64_mfpgpr): Likewise.
	(movdd_hardfloat64): Likewise.
	(movdd_softfloat64): Likewise.

	* config/rs6000/rs6000.md (FMOVE64): New iterators to combine
	64-bit binary and decimal floating point moves.
	(FMOVE64X): Likewise.
	(movdf): Combine 64-bit binary and decimal floating point moves.
	Combine power6x (mfpgpr) moves with other moves by using
	conditional constraits (wg).
	(mov<mode> for DFmode/DDmode): Likewise.
	(DFmode/DDmode splitters): Likewise.
	(movdf_hardfloat32): Likewise.
	(mov<mode>_hardfloat32 for DFmode/DDmode): Likewise.
	(movdf_softfloat32): Likewise.
	(movdf_hardfloat64_mfpgpr): Likewise.
	(movdf_hardfloat64): Likewise.
	(mov<mode>_hardfloat64 for DFmode/DDmode): Likewise.
	(movdf_softfloat64): Likewise.
	(mov<mode>_softfloat64 for DFmode/DDmode): Likewise.
	(reload_<mode>_load): Move to later in the file so they aren't in
	the middle of the floating point move insns.
	(reload_<mode>_store): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wg
	constraint.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print out wg
	constraint if -mdebug=reg.
	(rs6000_initi_hard_regno_mode_ok): Enable wg constraint if -mfpgpr.
	Enable using dd reload support if needed.

	* config/rs6000/dfp.md (movtd): Delete, combine with 128-bit
	binary and decimal floating point moves in rs6000.md.
	(movtd_internal): Likewise.

	* config/rs6000/rs6000.md (FMOVE128): Combine 128-bit binary and
	decimal floating point moves.
	(movtf): Likewise.
	(movtf_internal): Likewise.
	(mov<mode>_internal, TDmode/TFmode): Likewise.
	(movtf_softfloat): Likewise.
	(mov<mode>_softfloat, TDmode/TFmode): Likewise.

	* config/rs6000/rs6000.md (movdi_mfpgpr): Delete, combine with
	movdi_internal64, using wg constraint for move direct operations.
	(movdi_internal64): Likewise.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print
	MODES_TIEABLE_P for selected modes.  Print the numerical value of
	the various virtual registers. Use GPR/FPR first/last values,
	instead of hard coding the register numbers.  Print which modes
	have reload functions registered.
	(rs6000_option_override_internal): If -mdebug=reg, trace the options
	settings before/after setting cpu, target and subtarget settings.
	(rs6000_secondary_reload_trace): Improve the RTL dump for -mdebug=addr
	and for secondary reload failures in rs6000_secondary_reload_inner.
	(rs6000_secondary_reload_fail): Likewise.
	(rs6000_secondary_reload_inner): Likewise.

	* config/rs6000/rs6000.md (FIRST_GPR_REGNO): Add convenience
	macros for first/last GPR and FPR registers.
	(LAST_GPR_REGNO): Likewise.
	(FIRST_FPR_REGNO): Likewise.
	(LAST_FPR_REGNO): Likewise.

	* config/rs6000/vector.md (mul<mode>3): Use the combined macro
	VECTOR_UNIT_ALTIVEC_OR_VSX_P instead of separate calls to
	VECTOR_UNIT_ALTIVEC_P and VECTOR_UNIT_VSX_P.
	(vcond<mode><mode>): Likewise.
	(vcondu<mode><mode>): Likewise.
	(vector_gtu<mode>): Likewise.
	(vector_gte<mode>): Likewise.
	(xor<mode>3): Don't allow logical operations on TImode in 32-bit
	to prevent the compiler from converting DImode operations to TImode.
	(ior<mode>3): Likewise.
	(and<mode>3): Likewise.
	(one_cmpl<mode>2): Likewise.
	(nor<mode>3): Likewise.
	(andc<mode>3): Likewise.

	* config/rs6000/constraints.md (wt constraint): New constraint
	that returns VSX_REGS if TImode is allowed in VSX registers.

	* config/rs6000/predicates.md (easy_fp_constant): 0.0f is an easy
	constant under VSX.

	* config/rs6000/rs6000-modes.def (PTImode): Define, PTImode is
	similar to TImode, but it is restricted to being in the GPRs.

	* config/rs6000/rs6000.opt (-mvsx-timode): New switch to allow
	TImode to occupy a single VSX register.

	* config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Default to
	-mvsx-timode for power7/power8.
	(power7 cpu): Likewise.
	(power8 cpu): Likewise.

	* config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Make
	sure that TFmode/TDmode take up two registers if they are ever
	allowed in the upper VSX registers.
	(rs6000_hard_regno_mode_ok): If -mvsx-timode, allow TImode in VSX
	registers.
	(rs6000_init_hard_regno_mode_ok): Likewise.
	(rs6000_debug_reg_global): Add debugging for PTImode and wt
	constraint.  Print if LRA is turned on.
	(rs6000_option_override_internal): Give an error if -mvsx-timode
	and VSX is not enabled.
	(invalid_e500_subreg): Handle PTImode, restricting it to GPRs.  If
	-mvsx-timode, restrict TImode to reg+reg addressing, and PTImode
	to reg+offset addressing.  Use PTImode when checking offset
	addresses for validity.
	(reg_offset_addressing_ok_p): Likewise.
	(rs6000_legitimate_offset_address_p): Likewise.
	(rs6000_legitimize_address): Likewise.
	(rs6000_legitimize_reload_address): Likewise.
	(rs6000_legitimate_address_p): Likewise.
	(rs6000_eliminate_indexed_memrefs): Likewise.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_reload): Likewise.
	(rs6000_secondary_reload_inner): Handle PTImode.  Allow 64-bit
	reloads to fpr registers to continue to use reg+offset addressing,
	but 64-bit reloads to altivec registers need reg+reg addressing.
	Drop test for PRE_MODIFY, since VSX loads/stores no longer support
	it.  Treat LO_SUM like a PLUS operation.
	(rs6000_secondary_reload_class): If type is 64-bit, prefer to use
	FLOAT_REGS instead of VSX_RGS to allow use of reg+offset addressing.
	(rs6000_cannot_change_mode_class): Do not allow TImode in VSX
	registers to share a register with a smaller sized type, since VSX
	puts scalars in the upper 64-bits.
	(print_operand): Add support for PTImode.
	(rs6000_register_move_cost): Use VECTOR_MEM_VSX_P instead of
	VECTOR_UNIT_VSX_P to catch types that can be loaded in VSX
	registers, but don't have arithmetic support.
	(rs6000_memory_move_cost): Add test for VSX.
	(rs6000_opt_masks): Add -mvsx-timode.

	* config/rs6000/vsx.md (VSm): Change to use 64-bit aligned moves
	for TImode.
	(VSs): Likewise.
	(VSr): Use wt constraint for TImode.
	(VSv): Drop TImode support.
	(vsx_movti): Delete, replace with versions for 32-bit and 64-bit.
	(vsx_movti_64bit): Likewise.
	(vsx_movti_32bit): Likewise.
	(vec_store_<mode>): Use VSX iterator instead of vector iterator.
	(vsx_and<mode>3): Delete use of '?' constraint on inputs, just put
	one '?' on the appropriate output constraint.  Do not allow TImode
	logical operations on 32-bit systems.
	(vsx_ior<mode>3): Likewise.
	(vsx_xor<mode>3): Likewise.
	(vsx_one_cmpl<mode>2): Likewise.
	(vsx_nor<mode>3): Likewise.
	(vsx_andc<mode>3): Likewise.
	(vsx_concat_<mode>): Likewise.
	(vsx_xxpermdi_<mode>): Fix thinko for non V2DF/V2DI modes.

	* config/rs6000/rs6000.h (MASK_VSX_TIMODE): Map from
	OPTION_MASK_VSX_TIMODE.
	(enum rs6000_reg_class_enum): Add RS6000_CONSTRAINT_wt.
	(STACK_SAVEAREA_MODE): Use PTImode instead of TImode.

	* config/rs6000/rs6000.md (INT mode attribute): Add PTImode.
	(TI2 iterator): New iterator for TImode, PTImode.
	(wd mode attribute): Add values for vector types.
	(movti_string): Replace TI move operations with operations for TImode
	and PTImode.  Add support for TImode being allowed in VSX registers.
	(mov<mode>_string, TImode/PTImode): Likewise.
	(movti_ppc64): Likewise.
	(mov<mode>_ppc64, TImode/PTImode): Likewise.
	(TI mode splitters): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wt
	constraint.

2013-03-20  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/56355
	* fold-const.c (tree_binary_nonnegative_warnv_p) <MULT_EXPR>:
	Also handle integers with undefined overflow.

2013-03-20  Catherine Moore  <clm@codesourcery.com>
	    Maciej W. Rozycki  <macro@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Nathan Sidwell <nathan@codesourcery.com>
	    Iain Sandoe  <iain@codesourcery.com>
	    Nathan Froyd  <froydnj@codesourcery.com>
	    Chao-ying Fu <fu@mips.com>

	* doc/extend.texi: (micromips, nomicromips, nocompression):
	Document new function attributes.
	* doc/invoke.texi (minterlink-compressed, mmicromips,
	m14k, m14ke, m14kec): Document new options.
	(minterlink-mips16): Update documentation.
	* doc/md.texi (ZC, ZD): Document new constraints.
	* configure.ac (gcc_cv_as_micromips): Check if linker
	supports the .set micromips directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/micromips.md: New file.
	* constraints.md (ZC, ZD): New constraints.
	* config/mips/predicates.md (movep_src_register): New predicate.
	(movep_src_operand): New predicate.
	(non_volatile_mem_operand): New predicate.
	* config/mips/mips.md (multimem): New type.
	(length): Differentiate between 17-bit and 18-bit branch offsets.
	(MOVEP1, MOVEP2): New mode iterator.
	(mov_<load>l): Use ZC constraint.
	(mov_<load>r): Likewise.
	(mov_<store>l): Likewise.
	(mov_<store>r): Likewise.
	(*branch_equality<mode>_inverted): Add microMIPS support.
	(*branch_equality<mode>): Likewise.
	(*jump_absolute): Likewise.
	(indirect_jump_<mode>): Likewise.
	(tablejump_<mode>): Likewise.
	(<optab>_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(prefetch): Use constraint ZD.
	* config/mips/mips.opt (minterlink-compressed): New option.
	(minterlink-mips16): Now an alias for minterlink-compressed.
	(mmicromips): New option.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>_llsc): Likewise.
	(atomic_fetch_add<mode>_llsc): Likewise.
	* config/mips/mips-cpus.def (m14kc, m14k): New processors.
	* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
	(umips_save_restore_pattern_p): Likewise.
	(umips_load_store_pair_p): Likewise.
	(umips_output_load_store_pair): Likewise.
	(umips_movep_target_p): Likewise.
	(umips_12bit_offset_address_p): Likewise.
	* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this. Update all uses.
	(mips_attribute_table): Add micromips, nomicromips and nocompression.
	(mips_mips16_decl_p): Delete.
	(mips_nomips16_decl_p): Delete.
	(mips_get_compress_on_flags): New function.
	(mips_get_compress_off_flags): New function.
	(mips_get_compress_mode): New function.
	(mips_get_compress_on_name): New function.
	(mips_get_compress_off_name): New function.
	(mips_insert_attributes): Support multiple compression types.
	(mips_merge_decl_attributes): Likewise.
	(umips_12bit_offset_address_p): New function.
	(mips_start_function_definition): Emit .set micromips directive.
	(mips_call_may_need_jalx_p): New function.
	(mips_function_ok_for_sibcall): Add microMIPS support.
	(mips_print_operand_punctuation): Support short delay slots and
	compact jumps.
	(umips_swm_mask, umips_swm_encoding): New.
	(umips_build_save_restore): New function.
	(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
	(was_mips16_p): Remove.
	(old_compression_mode): New.
	(mips_set_compression_mode): New function.
	(mips_set_current_function): Add microMIPS support.
	(mips_option_override): Likewise.
	(umips_save_restore_pattern_p): New function.
	(umips_output_save_restore): New function.
	(umips_load_store_pair_p_1): New function.
	(umips_load_store_pair_p): New function.
	(umips_output_load_store_pair_1): New function.
	(umips_output_load_store_pair): New function.
	(umips_movep_target_p) New function.
	(mips_prepare_pch_save): Add microMIPS support.
	* config/mips/mips.h (TARGET_COMPRESSION): New.
	(TARGET_CPU_CPP_BUILTINS): Update macro
	to use new compression flags and to support microMIPS.
	(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
	(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
	(ASM_SPEC): Support mmicromips and mno-micromips.
	(M16STORE_REG_P): New macro.
	(MIPS_CALL): Support TARGET_MICROMIPS.
	(MICROMIPS_J): New macro.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this.
	(UMIPS_12BIT_OFFSET_P): New macro.
	* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
	(MULTILIB_DIRNAMES): Likewise.
2013-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56661
	* tree-ssa-sccvn.c (visit_use): Only value-number calls if
	the result does not have to be distinct.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-inline.c (copy_tree_body_r): Sync MEM_REF code with
	remap_gimple_op_r.

2013-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Steven Bosscher <steven@gcc.gnu.org>

	PR rtl-optimization/56605
	* loop-iv.c (implies_p): Handle equal RTXs and subregs.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

	PR bootstrap/56656
	* config/i386/i386.md (*movdi_internal): Handle broken assemblers
	that require movd instead of movq.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add pointer
	to the first field of an aggregate with sub-vars.  Make
	this and the pointer to the next subfield its ID.
	(vi_next): New function.
	(nothing_id, anything_id, readonly_id, escaped_id, nonlocal_id,
	storedanything_id, integer_id): Increment by one.
	(new_var_info, get_call_vi, lookup_call_clobber_vi,
	get_call_clobber_vi): Adjust.
	(solution_set_expand): Simplify and speedup.
	(solution_set_add): Inline into ...
	(set_union_with_increment): ... this.  Adjust accordingly.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Simplify.
	(build_pred_graph): Adjust.
	(solve_graph): Likewise.  Simplify and speedup.
	(get_constraint_for_ssa_var, get_constraint_for_ptr_offset,
	get_constraint_for_component_ref, get_constraint_for_1,
	first_vi_for_offset, first_or_preceding_vi_for_offset,
	create_function_info_for, create_variable_info_for_1,
	create_variable_info_for, intra_create_variable_infos): Adjust.
	(init_base_vars): Push NULL for ID zero.
	(compute_points_to_sets): Adjust.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Streamline and avoid
	ICEing on corrupt loop tree.
	* graph.c (draw_cfg_nodes_for_loop): Avoid ICEing on corrupt
	loop tree.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Do not
	check whether an SSA update is needed.

2013-03-20  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/constraints.md (T): Rename to...
	(Yf): ...this.
	(U): Rename to...
	(Yd): ...this.
	* config/mips/mips.md (*movdi_64bit, *movdi_64bit_mips16)
	(*mov<mode>_internal, *mov<mode>_mips16): Update accordingly.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*sub<mode>3_carryin): New pattern.
	(*subsi3_carryin_uxtw): Likewise.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*ror<mode>3_insn): New pattern.
	(*rorsi3_insn_uxtw): Likewise.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md (*extr<mode>5_insn): New pattern.
	(*extrsi5_insn_uxtw): Likewise.

2013-03-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* passes.c (init_optimization_passes): Move second VRP after DOM.

2013-03-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movti_internal): Merge from
	*movti_internal_rex64 and *movti_internal_sse.  Use x64 isa attribute.
	(*movdi_internal): Merge with *movdi_internal_rex64.  Use x64 and
	nox64 isa attributes.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find): Use gcc_checking_assert.
	(unite): Likewise.
	(merge_node_constraints): Likewise.
	(build_succ_graph): Likewise.
	(valid_graph_edge): Inline into single caller.
	(unify_nodes): Likewise.  Use bitmap_set_bit return value
	and cache varinfo.
	(scc_visit): Fix formatting and variable use.
	(do_sd_constraint): Use gcc_checking_assert.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Likewise.
	(condense_visit): Likewise.  Cleanup.
	(dump_pred_graph): New function.
	(perform_var_substitution): Dump the pred-graph before
	variable substitution.
	(find_equivalent_node): Use gcc_checking_assert.
	(rewrite_constraints): Guard checking loop with ENABLE_CHECKING.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
	Remove cond_expr_stmt_list argument and do not gimplify the
	built expression.
	(vect_loop_versioning): Adjust.
	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Cleanup to use less temporaries.
	(vect_create_data_ref_ptr): Cleanup.

2013-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56635
	* fold-const.c (operand_equal_p): For MEM_REF and TARGET_MEM_REF,
	require types_compatible_p types.

2013-03-18  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.c (xstormy16_expand_prologue): Remove
	spurious backslash.

	* config/mn10300/mn10300.c (mn10300_get_live_callee_saved_regs):
	Add missing line to comment describing function.

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56210
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Handle string / character search functions.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56483
	* cfgexpand.c (expand_gimple_cond): Inline gimple_cond_single_var_p
	and implement properly.
	* gimple.h (gimple_cond_single_var_p): Remove.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.h (find_data_references_in_loop): Declare.
	* tree-data-ref.c (get_references_in_stmt): Use a stack
	vector pre-allocated in the callers.
	(find_data_references_in_stmt): Adjust.
	(graphite_find_data_references_in_stmt): Likewise.
	(create_rdg_vertices): Likewise.
	(find_data_references_in_loop): Export.
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
	Compute dependences here...
	(vect_analyze_data_refs): ...not here.  When we encounter
	a non-vectorizable data reference in basic-block vectorization
	truncate the data reference vector.  Do not bother to
	fixup data-dependence information for gather loads.
	* tree-vect-slp.c (vect_slp_analyze_bb_1): Check the number
	of data references, as reported.

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/3713
	* tree-ssa-sccvn.c (visit_copy): Simplify.  Always propagate
	has_constants and expr.
	(stmt_has_constants): Properly valueize SSA names when deciding
	whether the stmt has constants.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the
	whole function when there is nothing to do.
	* tree-ssa-loop.c (pass_vectorize): Remove TODO_update_ssa.
	* tree-vectorizer.c (vectorize_loops): Update virtual and
	loop-closed SSA once.
	* tree-vect-loop.c (vect_transform_loop): Do not update SSA here.

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56113
	* domwalk.c (bb_postorder): New global static.
	(cmp_bb_postorder): New function.
	(walk_dominator_tree): Replace scheme imposing an order for
	visiting dominator sons by one sorting them at the time they
	are pushed on the stack.

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/39326
	* tree-ssa-loop-im.c (refs_independent_p): Exploit symmetry.
	(struct mem_ref): Replace mem member with ao_ref typed member.
	(MEM_ANALYZABLE): Adjust.
	(memref_eq): Likewise.
	(mem_ref_alloc): Likewise.
	(gather_mem_refs_stmt): Likewise.
	(mem_refs_may_alias_p): Use the ao_ref to query the alias oracle.
	(execute_sm_if_changed_flag_set): Adjust.
	(execute_sm): Likewise.
	(ref_always_accessed_p): Likewise.
	(refs_independent_p): Likewise.
	(can_sm_ref_p): Likewise.

2013-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/56566
	* tree.c (tree_int_cst_min_precision): For integer_zerop (value)
	return 1 even for !unsignedp.

2013-03-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (isa): Add x64 and nox64.
	(enabled): Define x64 for TARGET_64BIT and nox64 for !TARGET_64BIT.
	(*pushtf): Enable *roF alternative for x64 isa only.
	(*pushxf): Merge with *pushxf_nointeger.  Use Yx*r constraint. Set
	mode attribute of integer alternatives to DImode for TARGET_64BIT.
	(*pushdf): Merge with *pushdf_rex64.  Use x64 and nox64 isa attributes.
	(*movtf_internal): Merge from *movtf_internal_rex64 and
	*movtf_internal_sse.  Use x64 and nox64 isa attributes.
	(*movxf_internal): Merge with *movxf_internal_rex64.  Use x64 and
	nox64 isa attributes.
	(*movdf_internal): Merge with *movdf_internal_rex64.  Use x64 and
	nox64 isa attributes.
	* config/i386/constraints.md (Yd): Do not set for TARGET_64BIT.

2013-03-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (TARGET_LRA_P): New define.

2013-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/56640
	* config/arm/arm.h (REG_CLASS_NAMES): Add "SFP_REG" and "AFP_REG"
	class names.  Remove trailing comma after "ALL_REGS".

2013-03-16  Jan Hubicka  <jh@suse.cz>

	* cgraph.h (cgraph_get_create_real_symbol_node): Declare.
	* cgraph.c (cgraph_get_create_real_symbol_node): New function.
	* cgrpahbuild.c: Use cgraph_get_create_real_symbol_node instead
	of cgraph_get_create_node.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.

2013-03-16  Jason Merrill  <jason@redhat.com>

	PR debug/49090
	* dwarf2out.c (gen_generic_params_dies): Indicate default arguments
	with DW_AT_default_value.

2013-03-16  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.9.0.

2013-03-14  Andi Kleen  <ak@linux.intel.com>

	PR target/56619
	* doc/extend.texi: Document __ATOMIC_HLE_ACQUIRE,
	__ATOMIC_HLE_RELEASE. Document __builtin_ia32 TSX intrincs.
	Document _x* TSX intrinsics.

2013-03-14  Edgar E. Iglesias  <edgar.iglesias@xilinx.com>
	    David Holsgrove  <david.holsgrove@xilinx.com>

	* configure.ac: Add MicroBlaze TLS support detection.
	* configure: Regenerate.
	* config/microblaze/microblaze-protos.h
	(microblaze_cannot_force_const_mem, microblaze_tls_referenced_p,
	symbol_mentioned_p, label_mentioned_p): Add prototypes.
	* config/microblaze/microblaze.c (microblaze_address_type): Add
	ADDRESS_TLS and tls_reloc address types.
	(microblaze_address_info): Add tls_reloc.
	(TARGET_HAVE_TLS): Define.
	(get_tls_get_addr, microblaze_tls_symbol_p, microblaze_tls_operand_p_1,
	 microblaze_tls_referenced_p, microblaze_cannot_force_const_mem,
	 symbol_mentioned_p, label_mentioned_p, tls_mentioned_p,
	load_tls_operand,  microblaze_call_tls_get_addr,
	microblaze_legitimize_tls_address): New functions.
	(microblaze_classify_unspec): Handle UNSPEC_TLS.
	(get_base_reg): Use microblaze_tls_symbol_p.
	(microblaze_classify_address): Handle TLS.
	(microblaze_legitimate_pic_operand): Use symbol_mentioned_p,
	label_mentioned_p and microblaze_tls_referenced_p.
	(microblaze_legitimize_address): Handle TLS.
	(microblaze_address_insns): Handle ADDRESS_TLS.
	(pic_address_needs_scratch): Handle TLS.
	(print_operand_address): Handle TLS.
	(microblaze_expand_prologue): Check TLS_NEEDS_GOT.
	(microblaze_expand_move): Handle TLS.
	(microblaze_legitimate_constant_p): Check
	microblaze_cannot_force_const_mem and microblaze_tls_symbol_p.
	(TARGET_CANNOT_FORCE_CONST_MEM): Define.
	* config/microblaze/microblaze.h (TLS_NEEDS_GOT): Define
	(PIC_OFFSET_TABLE_REGNUM): Set.
	* config/microblaze/linux.h (TLS_NEEDS_GOT): Define.
	* config/microblaze/microblaze.md (UNSPEC_TLS): Define.
	(addsi3, movsi_internal2, movdf_internal): Update constraints
	* config/microblaze/predicates.md (arith_plus_operand): Define
	(move_operand): Redefine as move_src_operand,
	check microblaze_tls_referenced_p.

2013-03-14  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md: (*and<mode>3nr_compare0): Use CC_NZ.
	(*and_<SHIFT:optab><mode>3nr_compare0): Likewise.

2013-03-14  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Return correct
	CC mode for AND.

2013-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53265
	* common.opt (Waggressive-loop-optimizations): New option.
	* tree-ssa-loop-niter.c: Include tree-pass.h.
	(do_warn_aggressive_loop_optimizations): New function.
	(record_estimate): Call it.  Don't add !is_exit bounds to loop->bounds
	if number_of_latch_executions returned constant.
	(estimate_numbers_of_iterations_loop): Call number_of_latch_executions
	early.  If number_of_latch_executions returned constant, set
	nb_iterations_upper_bound back to it.
	* cfgloop.h (struct loop): Add warned_aggressive_loop_optimizations
	field.
	* Makefile.in (tree-ssa-loop-niter.o): Depend on $(TREE_PASS_H).
	* doc/invoke.texi (-Wno-aggressive-loop-optimizations): Document.

	* config/aarch64/t-aarch64-linux (MULTARCH_DIRNAME): Remove.
	(MULTILIB_OSDIRNAMES): Set.
	* genmultilib: If defaultosdirname doesn't start with :: , set
	defaultosdirname2 instead, clear it and emit two . multilib_raw
	entries instead of just one.

2013-03-14  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE.
	(SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default.
	* config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE.
	(SUBTARGET_OVERRIDE_OPTIONS): New.

2013-03-13  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/49880
	* config/sh/sh.opt (FPU_SINGLE_ONLY): New mask.
	(musermode): Convert to Var(TARGET_USERMODE).
	* config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY,
	MASK_ARCH): Add MASK_FPU_SINGLE_ONLY.
	* config/sh/sh.c (sh_option_override): Use
	TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case.
	* config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4
	condition.
	(udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of
	TARGET_SH4.
	(udivsi3_i4_single, divsi3_i4_single): Use
	TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4.

2013-03-13  Dave Korn  <dave.korn.cygwin@....>

	* config/i386/cygwin.h (SHARED_LIBGCC_SPEC): Make shared libgcc the
	default setting.

2013-03-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56608
	* tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
	calls when vectorizing basic-blocks.

2013-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR plugins/45078
	* config.gcc: On arm, mips, sh and sparc add vxworks-dummy.h to
	tm_file.

2013-03-12  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (-Waddr-space-convert): Move into the table earlier.

2013-03-11  Jan Hubicka  <jh@suse.cz>

	PR lto/56557
	* lto-streamer-out.c (output_symbol_p): Skip references from
	constructors of external variables.

2013-03-11  Jan Hubicka  <jh@suse.cz>

	PR middle-end/56571
	* valtrack.c (cleanup_auto_inc_dec): Unshare clobbers originating
	from pseudos.
	* emit-rtl.c (verify_rtx_sharing): Likewise.
	(copy_insn_1): Likewise.
	* rtl.c (copy_rtx): Likewise.

2013-03-11  Georg-Johann Lay  <avr@gjlay.de>

	PR target/56591
	* config/avr/avr.c (avr_print_operand): Add space after '%c' in
	output_operand_lossage message.

2013-03-11  Richard Earnshaw  <rearnsha@arm.com>

	PR target/56470
	* arm.c (shift_op): Validate RTL pattern on the fly.
	(arm_print_operand, case 'S'): Don't use shift_operator to validate
	the RTL.

2013-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/56347
	* config/pa/pa.md (call_value): Check for calls to powf and direct to
	new call patterns that clobber %fr12.
	(call_val_powf, call_val_powf_pic, call_val_powf_64bit): New insn,
	split and postreload patterns.
	* config/pa/pa.c (pa_conditional_register_usage): Revert marking
	registers %fr12 and %fr12R as call used.

2013-03-09  Steven Bosscher  <steven@gcc.gnu.org>

	* dse.c (delete_dead_store_insn): Respect TDF_DETAILS.
	(canon_address, record_store, replace_read, check_mem_read_rtx,
	scan_insn, dse_step1, dse_step2_init, dse_step2_spill,
	dse_step4, dse_step5_nospill, dse_step5_spill, dse_step6,
	rest_of_handle_dse): Likewise.

2013-03-09  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/56524
	* tree.h (tree_optimization_option): Rename target_optabs to optabs.
	Add base_optabs.
	(TREE_OPTIMIZATION_OPTABS): Update after previous field change.
	(TREE_OPTIMIZATION_BASE_OPTABS): New macro.
	(save_optabs_if_changed): Replace with...
	(init_tree_optimization_optabs): ...this.
	* optabs.c (save_optabs_if_changed): Rename to...
	(init_tree_optimization_optabs): ...this.  Take the optimization node
	as argument.  Do nothing if the base optabs are already correct.
	Reuse the existing TREE_OPTIMIZATION_OPTABS memory if we need
	to recompute optabs.
	* function.h (function): Remove optabs field.
	* function.c (invoke_set_current_function_hook): Call
	init_tree_optimization_optabs.  Use the result to initialize
	this_fn_optabs.

2013-02-27  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem.c (expand_transaction): Do not set PR_INSTRUMENTEDCODE
	if GTMA_HAS_NO_INSTRUMENTATION.
	(generate_tm_state): Keep GTMA_HAS_NO_INSTRUMENTATION bit.
	(ipa_tm_transform_transaction): Set GTMA_HAS_NO_INSTRUMENTATION.
	* gimple.h (GTMA_HAS_NO_INSTRUMENTATION): Define.
	* gimple-pretty-print.c (dump_gimple_transaction): Handle
	GTMA_HAS_NO_INSTRUMENTATION.

2013-03-08  Jakub Jelinek  <jakub@redhat.com>

	* config/gnu-user.h (LIBTSAN_EARLY_SPEC): Don't link against
	libasan_preinit.o.

2013-03-08  Marek Polacek  <polacek@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56478
	* predict.c (is_comparison_with_loop_invariant_p): Change the
	type of loop_step to tree.
	(predict_loops): Adjust.
	(predict_iv_comparison): Perform the computations on double_ints.

2013-03-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56570
	* tree-cfg.c (verify_expr_location_1): Verify locations for
	DECL_DEBUG_EXPR.
	* tree-sra.c (create_access_replacement): Strip locations
	from DECL_DEBUG_EXPRs.

2013-03-08  Richard Biener  <rguenther@suse.de>

	* tree-inline.c (expand_call_inline): Do not associate
	a BLOCK with the location in BLOCK_SOURCE_LOCATION.
	* tree-cfg.c (verify_location): Verify BLOCK_SOURCE_LOCATION.

2013-03-08  Richard Biener  <rguenther@suse.de>

	* tree-ssa-ter.c (is_replaceable_p): Do not TER across location
	or block changes with -Og.  Fix for location / block encoding
	changes and PHI arguments with locations.

2013-03-07  Steven Bosscher  <steven@gcc.gnu.org>

	* bitmap.c (struct bitmap_descriptor_d): Use unsigned HOST_WIDEST_INT
	for all counters.
	(struct output_info): Likewise.
	(register_overhead): Remove bad gcc_assert.
	(bitmap_find_bit): If there is only a single bitmap element, do not
	count a miss as a search.
	(print_statistics): Update for counter type changes.
	(dump_bitmap_statistics): Likewise.  Print headers such that they
	are properly lined up with the printed counters.

2013-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56559
	* tree-ssa-reassoc.c (zero_one_operation): When looking at rhs2,
	check that it has only a single use.

2013-03-07  Richard Biener  <rguenther@suse.de>

	* doc/invoke.texi (fwhole-program): Discourage use in combination
	with -flto.

2013-03-06  Jakub Jelinek  <jakub@redhat.com>

	* config/arm/t-arm (TM_H, OPTIONS_H_EXTRA): Add arm-cores.def.

	PR tree-optimization/56539
	* tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT
	instead of GSI_CONTINUE_LINKING as last argument to
	force_gimple_operand_gsi.  Adjust function comment.

	* config/aarch64/t-aarch64 (TM_H, OPTIONS_H_EXTRA): Add
	aarch64-cores.def.

	PR middle-end/56548
	* expr.c (expand_cond_expr_using_cmove): When expanding cmove in
	promoted mode, convert the result back to the original mode.

2013-03-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/56294
	* tree-into-ssa.c (insert_phi_nodes_for): Add dumping.
	(insert_updated_phi_nodes_compare_uids): New function.
	(update_ssa): Sort symbols_to_rename after UID before
	traversing it to insert PHI nodes.

2013-03-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/50494
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
	Do not adjust alignment of DECL_IN_CONSTANT_POOL decls.

	Revert
	2013-02-13  Richard Biener  <rguenther@suse.de>

	PR lto/50494
	* varasm.c (output_constant_def_1): Get the decl representing
	the constant as argument.
	(output_constant_def): Wrap output_constant_def_1.
	(make_decl_rtl): Use output_constant_def_1 with the decl
	representing the constant.
	(build_constant_desc): Optionally re-use a decl already
	representing the constant.
	(tree_output_constant_def): Adjust.

2013-03-06  Joey Ye  <joey.ye@arm.com>

	PR lto/50293
	* gcc.c (convert_white_space): New function.
	(main): Handles white space in function name.

2013-03-06  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/56529
	* config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
	instead of TARGET_SH2 for call-table case.  Do not set sh_div_strategy
	to SH_DIV_CALL_TABLE for TARGET_SH2.
	* config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
	list.
	* doc/invoke.texi (SH options): Document mdiv= call-div1, call-fp,
	call-table options.

2013-03-05  Sterling Augustine  <saugustine@google.com>
	    Cary Coutant  <ccoutant@google.com>

	PR debug/55364
	* dwarf2out.c (resolve_addr): Don't call
	remove_loc_list_addr_table_entries a second time for the same
	expression.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/56510
	* cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
	(avoid_complex_debug_insns): New function.
	(expand_debug_locations): Call it.

	PR rtl-optimization/56484
	* ifcvt.c (noce_process_if_block): If else_bb is NULL, avoid extending
	lifetimes of hard registers on small register class machines.

2013-03-05  David Holsgrove  <david.holsgrove@xilinx.com>

	* config/microblaze/microblaze-protos.h: Rename
	microblaze_is_interrupt_handler to microblaze_is_interrupt_variant.
	* config/microblaze/microblaze.c (microblaze_attribute_table): Add
	fast_interrupt.
	(microblaze_fast_interrupt_function_p): New function.
	(microblaze_is_interrupt_handler): Rename to
	microblaze_is_interrupt_variant and add fast_interrupt check.
	(microblaze_must_save_register): Use microblaze_is_interrupt_variant.
	(save_restore_insns): Likewise.
	(compute_frame_size): Likewise.
	(microblaze_function_prologue): Add FAST_INTERRUPT_NAME.
	(microblaze_globalize_label): Likewise.
	* config/microblaze/microblaze.h: Define FAST_INTERRUPT_NAME.
	* config/microblaze/microblaze.md: Use wrapper
	microblaze_is_interrupt_variant.

2013-03-05  Kai Tietz  <ktietz@redhat.com>

	* sdbout.c (sdbout_one_type): Switch to current function's section
	supporting cold/hot.

2013-03-05  David Holsgrove  <david.holsgrove@xilinx.com>

	* doc/invoke.texi (MicroBlaze): Add -mbig-endian, -mlittle-endian,
	-mxl-reorder.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* ggc-common.c (gt_pch_save): For ENABLE_VALGRIND_CHECKING,
	if VALGRIND_GET_VBITS is defined, temporarily make object
	memory all defined, and restore previous valgrind addressability
	and definability afterwards.  Free this_object at the end.

	PR middle-end/56461
	* lra.c (lra): Call lra_clear_live_ranges if live_p,
	right before calling lra_create_live_ranges, also call it
	when clearing live_p.  Only call lra_clear_live_ranges
	at the end if live_p.

	PR middle-end/56461
	* sched-deps.c (delete_dep_node): Free DEP_REPLACE.

2013-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56521
	* tree-ssa-sccvn.c (set_value_id_for_result): Always initialize
	value-id.

2013-03-05  Steven Bosscher  <steven@gcc.gnu.org>

	PR c++/55135
	* except.h (remove_unreachable_eh_regions): New prototype.
	* except.c (remove_eh_handler_splicer): New function, split out
	of remove_eh_handler.
	(remove_eh_handler): Use remove_eh_handler_splicer.  Add comment
	warning about running it on many EH regions one at a time.
	(remove_unreachable_eh_regions_worker): New function, walk the
	EH tree in depth-first order and remove non-marked regions.
	(remove_unreachable_eh_regions): New function.
	* tree-eh.c (mark_reachable_handlers): New function, split out
	from remove_unreachable_handlers.
	(remove_unreachable_handlers): Use mark_reachable_handlers and
	remove_unreachable_eh_regions.
	(remove_unreachable_handlers_no_lp): Use mark_reachable_handlers
	and remove_unreachable_eh_regions.

2013-03-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/56525
	* loop-init.c (fix_loop_structure): Remove loops in two stages,
	not freeing them until the end.

2013-03-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.h: Define DWARF2_ASM_LINE_DEBUG_INFO.

2013-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56270
	* tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
	of loads after scheduling an SLP instance.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (dg_target_exps): Add aarch64.exp, epiphany.exp and
	tic6x.exp.
	(check_gcc_parallelize): Run guality.exp as a separate job from
	vect.exp with unsorted.exp and $(dg_target_exps) separately from
	struct-layout-1.exp with stackalign.exp.

	* alias.c (init_alias_analysis): Clear reg_known_equiv_p bitmap.

	PR middle-end/56461
	* tree-vect-slp.c (vect_supported_load_permutation_p): Free
	load_index sbitmap even if some bit in it isn't set.

	PR middle-end/56461
	* tree-ssa-loop-niter.c (bb_queue): Remove typedef.
	(discover_iteration_bound_by_body_walk): Change queues to
	vec<vec<basic_block> > and queue to vec<basic_block>.  Fix up
	spelling in comment.  Call safe_push on queues[bound_index] directly.
	Release queues[queue_index] in every iteration unconditionally.
	Release bounds vector.

	PR middle-end/56461
	* tree-vect-stmts.c (free_stmt_vec_info_vec): Call
	free_stmt_vec_info on any left-over stmt_vec_info in the vector.
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Release
	inner_phis vector.

2013-03-05  Richard Biener  <rguenther@suse.de>

	PR lto/56515
	* tree-inline.c (remap_blocks_to_null): New function.
	(expand_call_inline): When expanding a call stmt without
	an associated block inline remap all callee blocks to NULL.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/56494
	* simplify-rtx.c (simplify_truncation): If C is narrower than A,
	optimize (truncate:A (subreg:B (truncate:C X) 0)) into
	(subreg:A (truncate:C X) 0) instead of (truncate:A X).

	PR middle-end/56461
	* sel-sched-ir.c (free_sched_pools): Release
	succs_info_pool.stack[succs_info_pool.max_top] vectors too
	if succs_info_pool.max_top isn't -1.

	PR bootstrap/56509
	* opts.c (opts_obstack, opts_concat): Moved to...
	* opts-common.c (opts_obstack, opts_concat): ... here.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* diagnostic.c (diagnostic_append_note): Save and restore old prefix.

2013-03-04  Martin Jambor  <mjambor@suse.cz>

	* tree-dfa.c (get_or_create_ssa_default_def): Use parameter fn in
	all appropriate places.

2013-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/56424
	* ipa-split.c (split_function): Do not set the RSO flag if result is
	not by reference and its type is a register type.

2013-03-04  David Holsgrove  <david.holsgrove@xilinx.com>

	* config/microblaze/microblaze.c (microblaze_valid_pic_const): New
	(microblaze_legitimate_pic_operand): Likewise
	* config/microblaze/microblaze.h (LEGITIMATE_PIC_OPERAND_P): calls
	new function microblaze_legitimate_pic_operand
	* config/microblaze/microblaze-protos.h
	(microblaze_legitimate_pic_operand): Declare.

2013-03-04  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/predicates.md (call_insn_simple_operand):
	New predicate for supported rtx code types.
	* config/microblaze/microblaze.md (call_internal1): Use
	call_insn_simple_operand predicate.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* tree-loop-distribution.c (ldist_gen): Call partition_free after each
	partitions.ordered_remove.

	PR middle-end/56461
	* tree-vect-stmts.c (vectorizable_conversion): Don't call
	vec_oprnds0.create (1) for modifier == NONE.

	PR middle-end/56461
	* tree-vect-stmts.c (vectorizable_shift): Don't call create methods
	on vec_oprnds0 or vec_oprnds1 before loop, only call it on
	vec_oprnds1 right before pushing anything to it for
	scalar_shift_arg.

	PR middle-end/56461
	* tree-vect-loop.c (destroy_loop_vec_info): For !clean_stmts, just
	set nbbs to 0 instead of having separate code path.
	(vect_analyze_loop_form): Call destroy_loop_vec_info with true
	instead of false as last argument if returning NULL.

2013-03-03  Sandra Loosemore  <sandra@codesourcery.com>

	* target.def (TARGET_OPTION_VALID_ATTRIBUTE_P): Update comments;
	the attribute is now called "target" instead of "option".
	(TARGET_OPTION_PRAGMA_PARSE): Likewise, for the pragma.
	* doc/tm.texi.in (Target Attributes):  Likewise document the correct
	attribute/pragma name for TARGET_OPTION_VALID_P and
	TARGET_OPTION_PRAGMA_PARSE.  Also copy-edit and correct markup.
	* doc/tm.texi: Regenerated.

2013-03-02  David Holsgrove  <david.holsgrove@xilinx.com>

	* config/microblaze/microblaze.c:
	Check mcpu, pcmp requirement and set TARGET_REORDER to 0 if not met.
	* config/microblaze/microblaze.h: Add -mxl-reorder to
	DRIVER_SELF_SPECS.
	* config/microblaze/microblaze.md: New bswapsi2 and bswaphi2.
	instructions emitted if TARGET_REORDER.
	* config/microblaze/microblaze.opt: New option -mxl-reorder set to 1
	or 0 for -m/-mno case, but initialises as 2 to detect default use case
	separately.

2013-03-01  Xinliang David Li  <davidxl@google.com>

	* tree-ssa-uninit.c (compute_control_dep_chain): Limit post-dom
	walk length.

2013-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Release path
	vector even when returning true.  Fix up function comment formatting.

	PR middle-end/56461
	* ira-build.c (ira_loop_nodes_count): New variable.
	(create_loop_tree_nodes): Initialize it.
	(finish_loop_tree_nodes): Use it instead of looking at current_loops.

	PR middle-end/56461
	* tree-vect-data-refs.c (vect_permute_store_chain): Avoid using copy
	method on dr_chain and result_chain.
	* tree-vect-stmts.c (vectorizable_store): Only call
	result_chain.create if j == 0.

	PR middle-end/56461
	* tree-vect-stmts.c (vect_create_vectorized_promotion_stmts): Call
	vec_oprnds0->release (); rather than vec_oprnds0->truncate (0)
	before overwriting it.

2013-03-01  Tobias Burnus  <burnus@net-b.de>

	* doc/extended.texi (C Extensions): Change order in @menu
	to match @node.
	(Other MIPS Built-in Functions): Move last MIPS entry before
	"picoChip Built-in Functions".
	(SH Built-in Functions): Move after RX Built-in Functions.
	* doc/gcc.texi (Introduction): Change order in @menu
	to match @node.
	* doc/md.texi (Constraints): Ditto.
	* gty.texi (Type Information): Ditto.
	(User-provided marking routines for template types): Make
	subsection.
	* doc/invoke.texi (AArch64 Options): Move before
	"Adapteva Epiphany Options".

2013-02-28  Konstantin Serebryany  <konstantin.s.serebryany@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/56454
	* asan.c (gate_asan): Lookup no_sanitize_address instead of
	no_address_safety_analysis attribute.
	* doc/extend.texi (no_address_safety_attribute): Rename to
	no_sanitize_address attribute, mention no_address_safety_analysis
	attribute as deprecated alias.

2013-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* tree-vectorizer.h (vect_get_slp_defs): Change 3rd argument
	type to vec<vec<tree> > *.
	* tree-vect-slp.c (vect_get_slp_defs): Likewise.  Change vec_defs
	to be vec<tree> instead of vec<tree> *, set vec_defs
	to vNULL and call vec_defs.create (number_of_vects), adjust other
	uses of vec_defs.
	* tree-vect-stmts.c (vect_get_vec_defs, vectorizable_call,
	vectorizable_condition): Adjust vect_get_slp_defs callers.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c
	(aarch64_float_const_representable): Remove unused variable.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_mangle_type): Make static.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_init_simd_builtins): Make static.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c
	(aarch64_simd_make_constant): Make static.

2013-02-28  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements
	with no initialization to the RHS of debug statements.

2013-02-28  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/56294
	* tree-sra.c (analyze_access_subtree): Create replacement declarations.
	Adjust dumping.
	(get_access_replacement): Do not call create_access_replacement.
	Assert a replacement exists.
	(get_repl_default_def_ssa_name): Create the replacement declaration
	itself.

2013-02-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_output_mi_thunk): Call final_start_function and
	final_end_function.

2013-02-28  Marek Polacek  <polacek@redhat.com>

	PR rtl-optimization/56466
	* loop-unroll.c (unroll_and_peel_loops): Call fix_loop_structure
	if we're changing a loop.
	(peel_loops_completely): Likewise.

2013-02-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/55813
	* doc/invoke.texi ([-Wctor-dtor-privacy]): Complete.

2013-02-28  Georg-Johann Lay  <avr@gjlay.de>

	PR target/56445
	* config/avr/avr.c (avr_init_builtins): Use 'n' instead of empty
	macro parameters with: FX_FTYPE_FX, FX_FTYPE_FX_INT, INT_FTYPE_FX,
	INTX_FTYPE_FX, FX_FTYPE_INTX.
	* config/avr/builtins.def: Adjust respective DEF_BUILTIN.

2013-02-28  Georg-Johann Lay  <avr@gjlay.de>

	* avr/avr-mcus.def (ata5272, ata5505, attiny1634, ata6285)
	(ata6286, atmega8a, atmega48pa, ata5790, ata5790n, ata5795)
	(atmega164pa, atmega165pa, atmega168pa, atmega16hva, atmega16hvb)
	(atmega16hvbrevb, atmega16m1, atmega16u4, atmega26hvg, atmega32a)
	(atmega32a, atmega3250pa, atmega3290pa, atmega32c1, atmega32m1)
	(atmega32u4, atmega32u6, atmega64a, atmega6490a, atmega6490p)
	(atmega64c1, atmega64m1, atmega64rfa2, atmega64rfr2, atmega32hvb)
	(atmega32hvbrevb, atmega16hva2, atmega48hvf, at90pwm161)
	(atmega128a, atmega1284, atmxt112sl, atmxt224, atmxt224e)
	(atmxt336s, atxmega16a4u, atxmega16c4, atxmega32a4u, atxmega32c4)
	(atxmega32e5, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3)
	(atxmega64c3, atxmega64d4, atxmega128a3u, atxmega128b1)
	(atxmega128b3, atxmega128c3, atxmega128d4, atmxt540s, atmxt540sreva)
	(atxmega192a3u, atxmega192c3, atxmega256a3u, atxmega256c3)
	(atxmega384c3, atxmega384d3, atxmega128a4u): New AVR_MCU.
	(avrxmega6): Increase max flash segments from 5 to 6.
	* config/avr/t-multilib: Regenerate.
	* config/avr/avr-tables.opt: Regenerate.
	* doc/avr-mmcu.texi: Regenerate.

2013-02-28  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.h (device_to_arch): Rename to device_to_ld.
	(avr_device_to_arch): Rename to avr_device_to_ld.
	(avr_device_to_as): New prototype.
	(EXTRA_SPEC_FUNCTIONS): Add device_to_as.
	(ASM_SPEC): Use device_to_as to get -mmcu= and -mno-skip-bug=.
	* config/avr/driver-avr.c (avr_device_to_as): New.
	(avr_device_to_arch): Rename to avr_device_to_ld.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* tree-vect-data-refs.c (vect_permute_load_chain): Avoid using copy
	method on dr_chain and result_chain.

	PR middle-end/56461
	* tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Call
	pointer_set_destroy on not_executed_last_iteration.

	PR middle-end/56461
	* tree-vect-loop.c (vectorizable_reduction): Release vect_defs vector.

	PR middle-end/56461
	* ipa-pure-const.c (propagate): Use FOR_EACH_FUNCTION instead of
	FOR_EACH_DEFINED_FUNCTION when freeing state.

	PR middle-end/56461
	* df-scan.c (df_insn_delete): Use df_scan_free_mws_vec before
	pool_free.
	(df_insn_rescan_debug_internal): Use df_scan_free_mws_vec before
	overwriting it.

	PR middle-end/56461
	* ipa-cp.c (decide_whether_version_node): Call vec_free on
	known_aggs[i].items and release known_aggs vector.

	PR middle-end/56461
	* ipa-reference.c (propagate): Free node_info even for alias nodes.

2013-02-27  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/microblaze.c (microblaze_emit_compare):
	Use xor for EQ/NE comparisions.
	* config/microblaze/microblaze.md (cstoresf4): Add constraints
	(cbranchsf4): Adjust operator to comparison_operator.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* tree-flow.h (edge_var_map_vector): Change into va_heap, vl_embed
	vector.
	* tree-ssa.c (redirect_edge_var_map_add): Use vec_safe_reserve and
	vec_safe_push, always update *slot.
	(redirect_edge_var_map_clear): Use vec_free.
	(redirect_edge_var_map_dup): Use vec_safe_copy and vec_safe_reserve.
	(free_var_map_entry): Use vec_free.
	* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Use
	FOR_EACH_VEC_SAFE_ELT instead of FOR_EACH_VEC_ELT.

2013-02-27  Andrey Belevantsev  <abel@ispras.ru>

	PR middle-end/45472
	* sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
	when the may_trap_p bit of the exprs being merged differs.
	Reorder tests for speculativeness in the logical and operator.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

	* incpath.c (add_standard_paths): Use reconcat instead of concat
	where appropriate and avoid leaking memory.

	* opts.h: Include obstack.h.
	(opts_concat): New prototype.
	(opts_obstack): New declaration.
	* opts.c (opts_concat): New function.
	(opts_obstack): New variable.
	(init_options_struct): Call gcc_init_obstack on opts_obstack.
	(finish_options): Use opts_concat instead of concat
	and XOBNEWVEC instead of XNEWVEC.
	* opts-common.c (generate_canonical_option, decode_cmdline_option,
	generate_option): Likewise.
	* Makefile.in (OPTS_H): Depend on $(OBSTACK_H).
	* lto-wrapper.c (main): Call gcc_init_obstack on opts_obstack.

	PR target/56455
	* stmt.c (expand_switch_as_decision_tree_p): If flag_pic
	and ASM_OUTPUT_ADDR_DIFF_ELT isn't defined, return true.

2013-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56461
	* lra-spills.c (lra_spill): Free spill_hard_reg at the end.

2013-02-26  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/arm/arm.c (const_ok_for_dimode_op): Back out last change.
	(arm_block_move_unaligned_straight): Likewise.
	(arm_adjust_block_mem): Likewise.

2013-02-26  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR target/48901
	* config/lm32/lm32.c (gen_int_relational): Remove unused variables
	temp, cond and label.
	* config/lm32/lm32.md (ashlsi3): Remove unused variable one.

	PR target/52500
	* config/c6x/c6x.c (dbx_register_map): Change to unsigned.
	* config/c6x/c6x.h (dbx_register_map): Update declaration.

	PR target/52501
	* config/cr16/cr16-protos.h: Move end of RTX_CODE guard below end
	of prologue/epilogue functions.

	PR target/52550
	* config/tilegx/tilegx.c (tilegx_expand_prologue):
	Remove unused variable cfa_offset.
	* config/tilepro/tilepro.c (tilepro_expand_prologue): Likewise.

	PR target/54639
	* config/mn10300/mn10300.c (mn10300_expand_epilogue): Avoid offset
	type promotion to unsigned.

	PR target/54640
	* config/arm/arm.c (const_ok_for_dimode_op): Make code consistent
	for HOST_WIDE_INT of 32 bit / same size as int.
	(arm_block_move_unaligned_straight): Likewise.
	(arm_adjust_block_mem): Likewise.

	PR target/54662
	* config/mep/t-mep (mep-pragma.o): Use ALL_COMPILERFLAGS instead of
	ALL_CFLAGS.

2013-02-26  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/56426
	* tree-ssa-loop.c (tree_ssa_loop_init): Always call scev_initialize.

2013-02-26  Richard Biener  <rguenther@suse.de>

	PR target/56444
	* config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Remove
	unused variable loops.

2013-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56448
	* fold-const.c (operand_equal_p) <case tcc_reference>: Don't look at
	TREE_SIDE_EFFECTS if flags contain OEP_CONSTANT_ADDRESS_OF.
	Clear OEP_CONSTANT_ADDRESS_OF from flags before recursing on second or
	later operands of the references, or even first operand for
	INDIRECT_REF, TARGET_MEM_REF or MEM_REF.

	PR tree-optimization/56443
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
	overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
	to type_for_mode langhook.

2013-02-25  Matt Turner  <mattst88@gmail.com>

	* doc/invoke.texi: Document r4700.

2013-02-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56175
	* tree-ssa-forwprop.c (hoist_conversion_for_bitop_p): New predicate,
	split out from ...
	(simplify_bitwise_binary): ... here.  Also guard the conversion
	of (type) X op CST to (type) (X op ((type-x) CST)) with it.

2013-02-25  Catherine Moore  <clm@codesourcery.com>

	Revert:
	2013-02-24  Catherine Moore  <clm@codesourcery.com>
	    Maciej W. Rozycki  <macro@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>
	    Iain Sandoe  <iain@codesourcery.com>
	    Nathan Froyd  <froydnj@codesourcery.com>
	    Chao-ying Fu  <fu@mips.com>

	* doc/extend.texi: (micromips, nomicromips, nocompression):
	Document new function attributes.
	* doc/invoke.texi (minterlink-compressed, mmicromips,
	m14k, m14ke, m14kec): Document new options.
	(minterlink-mips16): Update documentation.
	* doc/md.texi (ZC, ZD): Document new constraints.
	* configure.ac (gcc_cv_as_micromips): Check if linker
	supports the .set micromips directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/micromips.md: New file.
	* constraints.md (ZC, AD): New constraints.
	* config/mips/predicates.md (movep_src_register): New predicate.
	(movep_src_operand): New predicate.
	(non_volatile_mem_operand): New predicate.
	* config/mips/mips.md (multimem): New type.
	(length): Differentiate between 17-bit and 18-bit branch offsets.
	(MOVEP1, MOVEP2): New mode iterator.
	(mov_<load>l): Use ZC constraint.
	(mov_<load>r): Likewise.
	(mov_<store>l): Likewise.
	(mov_<store>r): Likewise.
	(*branch_equality<mode>_inverted): Add microMIPS support.
	(*branch_equality<mode>): Likewise.
	(*jump_absolute): Likewise.
	(indirect_jump_<mode>): Likewise.
	(tablejump_<mode>): Likewise.
	(<optab>_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(prefetch): Use constraint ZD.
	* config/mips/mips.opt (minterlink-compressed): New option.
	(minterlink-mips16): Now an alias for minterlink-compressed.
	(mmicromips): New option.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>_llsc): Likewise.
	(atomic_fetch_add<mode>_llsc): Likewise.
	* config/mips/mips-cpus.def (m14kc, m14k): New processors.
	* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
	(umips_save_restore_pattern_p): Likewise.
	(umips_load_store_pair_p): Likewise.
	(umips_output_load_store_pair): Likewise.
	(umips_movep_target_p): Likewise.
	(umips_12bit_offset_address_p): Likewise.
	* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this. Update all uses.
	(mips_attribute_table): Add micromips, nomicromips and nocompression.
	(mips_mips16_decl_p): Delete.
	(mips_nomips16_decl_p): Delete.
	(mips_get_compress_on_flags): New function.
	(mips_get_compress_off_flags): New function.
	(mips_get_compress_mode): New function.
	(mips_get_compress_on_name): New function.
	(mips_get_compress_off_name): New function.
	(mips_insert_attributes): Support multiple compression types.
	(mips_merge_decl_attributes): Likewise.
	(umips_12bit_offset_address_p): New function.
	(mips_start_function_definition): Emit .set micromips directive.
	(mips_call_may_need_jalx_p): New function.
	(mips_function_ok_for_sibcall): Add microMIPS support.
	(mips_print_operand_punctuation): Support short delay slots and
	compact jumps.
	(umips_swm_mask, umips_swm_encoding): New.
	(umips_build_save_restore): New function.
	(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
	(was_mips16_p): Remove.
	(old_compression_mode): New.
	(mips_set_compression_mode): New function.
	(mips_set_current_function): Add microMIPS support.
	(mips_option_override): Likewise.
	(umips_save_restore_pattern_p): New function.
	(umips_output_save_restore): New function.
	(umips_load_store_pair_p_1): New function.
	(umips_load_store_pair_p): New function.
	(umips_output_load_store_pair_1): New function.
	(umips_output_load_store_pair): New function.
	(umips_movep_target_p) New function.
	(mips_prepare_pch_save): Add microMIPS support.
	* config/mips/mips.h (TARGET_COMPRESSION): New.
	(TARGET_CPU_CPP_BUILTINS): Update macro
	to use new compression flags and to support microMIPS.
	(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
	(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
	(ASM_SPEC): Support mmicromips and mno-micromips.
	(M16STORE_REG_P): New macro.
	(MIPS_CALL): Support TARGET_MICROMIPS.
	(MICROMIPS_J): New macro.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this.
	(UMIPS_12BIT_OFFSET_P): New macro.
	* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
	(MULTILIB_DIRNAMES): Likewise.

2013-02-25  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/56131
	* insn-notes.def (INSN_NOTE_BASIC_BLOCK): Update comment.
	* cfgrtl.c (delete_insn): Don't reorder NOTE_INSN_DELETED_LABEL and
	NOTE_INSN_BASIC_BLOCK if BLOCK_FOR_INSN == NULL.

2013-02-25  Tobias Burnus  <burnus@net-b.de>

	* doc/invoke.texi (-fsanitize=): Move from optimization
	to debugging options.

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>

	* sched-deps.c (sched_analyze_insn): Fix typo in comment.

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/56077
	* sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
	flush pending lists also on non-jumps.  Adjust comment.

2013-02-24  Catherine Moore  <clm@codesourcery.com>
	    Maciej W. Rozycki  <macro@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>
	    Iain Sandoe  <iain@codesourcery.com>
	    Nathan Froyd  <froydnj@codesourcery.com>
	    Chao-ying Fu  <fu@mips.com>

	* doc/extend.texi: (micromips, nomicromips, nocompression):
	Document new function attributes.
	* doc/invoke.texi (minterlink-compressed, mmicromips,
	m14k, m14ke, m14kec): Document new options.
	(minterlink-mips16): Update documentation.
	* doc/md.texi (ZC, ZD): Document new constraints.
	* configure.ac (gcc_cv_as_micromips): Check if linker
	supports the .set micromips directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/micromips.md: New file.
	* constraints.md (ZC, AD): New constraints.
	* config/mips/predicates.md (movep_src_register): New predicate.
	(movep_src_operand): New predicate.
	(non_volatile_mem_operand): New predicate.
	* config/mips/mips.md (multimem): New type.
	(length): Differentiate between 17-bit and 18-bit branch offsets.
	(MOVEP1, MOVEP2): New mode iterator.
	(mov_<load>l): Use ZC constraint.
	(mov_<load>r): Likewise.
	(mov_<store>l): Likewise.
	(mov_<store>r): Likewise.
	(*branch_equality<mode>_inverted): Add microMIPS support.
	(*branch_equality<mode>): Likewise.
	(*jump_absolute): Likewise.
	(indirect_jump_<mode>): Likewise.
	(tablejump_<mode>): Likewise.
	(<optab>_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(prefetch): Use constraint ZD.
	* config/mips/mips.opt (minterlink-compressed): New option.
	(minterlink-mips16): Now an alias for minterlink-compressed.
	(mmicromips): New option.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>_llsc): Likewise.
	(atomic_fetch_add<mode>_llsc): Likewise.
	* config/mips/mips-cpus.def (m14kc, m14k): New processors.
	* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
	(umips_save_restore_pattern_p): Likewise.
	(umips_load_store_pair_p): Likewise.
	(umips_output_load_store_pair): Likewise.
	(umips_movep_target_p): Likewise.
	(umips_12bit_offset_address_p): Likewise.
	* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this. Update all uses.
	(mips_attribute_table): Add micromips, nomicromips and nocompression.
	(mips_mips16_decl_p): Delete.
	(mips_nomips16_decl_p): Delete.
	(mips_get_compress_on_flags): New function.
	(mips_get_compress_off_flags): New function.
	(mips_get_compress_mode): New function.
	(mips_get_compress_on_name): New function.
	(mips_get_compress_off_name): New function.
	(mips_insert_attributes): Support multiple compression types.
	(mips_merge_decl_attributes): Likewise.
	(umips_12bit_offset_address_p): New function.
	(mips_start_function_definition): Emit .set micromips directive.
	(mips_call_may_need_jalx_p): New function.
	(mips_function_ok_for_sibcall): Add microMIPS support.
	(mips_print_operand_punctuation): Support short delay slots and
	compact jumps.
	(umips_swm_mask, umips_swm_encoding): New.
	(umips_build_save_restore): New function.
	(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
	(was_mips16_p): Remove.
	(old_compression_mode): New.
	(mips_set_compression_mode): New function.
	(mips_set_current_function): Add microMIPS support.
	(mips_option_override): Likewise.
	(umips_save_restore_pattern_p): New function.
	(umips_output_save_restore): New function.
	(umips_load_store_pair_p_1): New function.
	(umips_load_store_pair_p): New function.
	(umips_output_load_store_pair_1): New function.
	(umips_output_load_store_pair): New function.
	(umips_movep_target_p) New function.
	(mips_prepare_pch_save): Add microMIPS support.
	* config/mips/mips.h (TARGET_COMPRESSION): New.
	(TARGET_CPU_CPP_BUILTINS): Update macro
	to use new compression flags and to support microMIPS.
	(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
	(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
	(ASM_SPEC): Support mmicromips and mno-micromips.
	(M16STORE_REG_P): New macro.
	(MIPS_CALL): Support TARGET_MICROMIPS.
	(MICROMIPS_J): New macro.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this.
	(UMIPS_12BIT_OFFSET_P): New macro.
	* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
	(MULTILIB_DIRNAMES): Likewise.

2013-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/52555
	* target-globals.c (save_target_globals): For init_reg_sets and
	target_reinit remporarily set this_fn_optabs to this_target_optabs.

2013-02-22  James Grennahlgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd-builtins.def: Add copyright header.
	* config/aarch64/t-aarch64
	(aarch64-builtins.o): Depend on aarch64-simd-builtins.def.

2013-02-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/56148
	* lra-constraints.c (process_alt_operands): Reload operand
	conflicting with earlier clobber only if no more other conflicting
	operands.

2013-02-22  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/56393
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Link in libasan_preinit.o
	if not linking a shared library.

2013-02-22  Seth LaForge  <sethml@google.com>

	* config.gcc (arm*-*-eabi*): Treat arm*eb as big-endian.

2013-02-22  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (split for extendsidi): Update condition.
	(zero_extend<mode>di2,extend<mode>di2): Add an alternative.
	* config/arm/iterators.md (qhs_extenddi_cstr): Likewise.
	(qhs_zextenddi_cstr): Likewise.

2013-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56420
	* expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Do subtraction in uhwi, to
	avoid signed wrapping.
	(expand_mult): Handle properly multiplication by
	((dword_type) -1) << (BITS_PER_WORD - 1).  Improve multiplication by
	((dword_type) 1) << (BITS_PER_WORD - 1).  Avoid undefined behavior
	in the compiler if coeff is HOST_WIDE_INT_MIN.
	(expand_divmod): Don't make ext_op1 static, change it's type to
	uhwi.  Avoid undefined behavior in -INTVAL (op1).

	PR rtl-optimization/50339
	* lower-subreg.h (struct lower_subreg_choices): Add splitting_ashiftrt
	field.
	* lower-subreg.c (compute_splitting_shift): Handle ASHIFTRT.
	(compute_costs): Call compute_splitting_shift also for ASHIFTRT
	into splitting_ashiftrt field.
	(find_decomposable_shift_zext, resolve_shift_zext): Handle also
	ASHIFTRT.
	(dump_choices): Fix up printing LSHIFTRT choices, print ASHIFTRT
	choices.

2013-02-20  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/56108
	* trans-mem.c (execute_tm_mark): Do not expand transactions that
	are sure to go irrevocable.

2013-02-21  Hans-Peter Nilsson  <hp@axis.com>

	* doc/rtl.texi (vec_concat, vec_duplicate): Mention that
	scalars are valid operands.

2013-02-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/56310
	* ipa-cp.c (agg_replacements_to_vector): New parameter index, copy
	only matching indices and non-negative final offsets.
	(intersect_aggregates_with_edge): Pass src_idx to
	agg_replacements_to_vector.  Pass src_idx insstead of index to
	intersect_with_agg_replacements.

2013-02-21  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
	instead of hard-wired defaults.

2013-02-21  Maciej W. Rozycki  <macro@codesourcery.com>

	* doc/invoke.texi (MIPS Options): Update documentation of the
	floating-point multiply-accumulate instruction restrictions.

2013-02-21  Kostya Serebryany  <kcc@google.com>

	* config/i386/i386.c (ix86_asan_shadow_offset): Use 0x7fff8000 as
	asan_shadow_offset on x86_64 linux.

2013-02-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56415
	Revert
	2013-02-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* tree-vrp.c (simplify_cond_using_ranges): Disable for the
	first VRP run.

2013-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/56258
	* doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
	instead of @itemx.

	PR inline-asm/56405
	* expr.c (expand_expr_real_1) <case TARGET_MEM_REF, MEM_REF>: Don't
	use movmisalign or extract_bit_field for EXPAND_MEMORY modifier.

2013-02-20  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/56265
	* ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph
	when target is referenced for first time.

2013-02-20  Richard Biener  <rguenther@suse.de>

	* tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.
	* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise.
	* tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do
	not return anything.
	(rename_ssa_copies): Do not remove unused locals.
	* tree-ssa-ccp.c (do_ssa_ccp): Likewise.
	* tree-ssanames.c (pass_release_ssa_names): Remove unused locals first.
	* passes.c (execute_function_todo): Do not schedule unused locals
	removal if cleanup_tree_cfg did something.
	* tree-ssa-live.c (remove_unused_locals): Dump statistics
	about the number of removed locals.

2013-02-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56398
	* tree-vect-loop-manip.c (adjust_debug_stmts): Skip SSA default defs.

2013-02-20  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55334
	* ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
	restricted pointers to arrays.

2013-02-20  Richard Biener  <rguenther@suse.de>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56396
	* tree-ssa-ccp.c (n_const_val): New static variable.
	(get_value): Return NULL for SSA names we don't have a lattice
	entry for.
	(ccp_initialize): Initialize n_const_val.
	* tree-ssa-copy.c (n_copy_of): New static variable.
	(init_copy_prop): Initialize n_copy_of.
	(get_value): Return NULL_TREE for SSA names we don't have a
	lattice entry for.

2013-02-20  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (initialize_node_lattices): Fix dumping condition.

2013-02-20  Richard Biener  <rguenther@suse.de>

	* genpreds.c (write_lookup_constraint): Do not compare first
	letter of the constraint again.

2013-02-20  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-ivopts.c (alloc_use_cost_map): Use bitmap_count_bits
	and ceil_log2.
	(get_use_iv_cost): Terminate hashtable walk when coming across
	an empty entry.

2013-02-20  Igor Zamyatin  <igor.zamyatin@intel.com>

	* config/i386/i386.c (initial_ix86_tune_features): Turn on fp
	reassociation for avx2 targets.

2012-02-19  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/microblaze.c: microblaze_has_clz = 0
	Add version check for v8.10.a to enable microblaze_has_clz
	* config/microblaze/microblaze.h: Add TARGET_HAS_CLZ as combined
	version and TARGET_PATTERN_COMPARE check
	* config/microblaze/microblaze.md: New clzsi2 instruction

2012-02-19  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/microblaze.md (call_value_intern): Check symbol is
	function before branching.

2012-02-19  Andrey Belevantsev  <abel@ispras.ru>

	* sel-sched-dump.c (dump_insn_rtx_flags): Explicitly set
	DUMP_INSN_RTX_UID.
	(dump_insn_rtx_1): Pass PATTERN (insn) to str_pattern_slim.

2012-02-19  Andrey Belevantsev  <abel@ispras.ru>

	PR middle-end/55889
	* sel-sched.c: Include ira.h.
	(implicit_clobber_conflict_p): New function.
	(moveup_expr): Use it.
	* Makefile.in (sel-sched.o): Depend on ira.h.

2013-02-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56384
	* tree-ssa-sccvn.h (struct vn_phi_s): Add type member.
	(vn_hash_type): Split out from ...
	(vn_hash_constant_with_type): ... here.
	* tree-ssa-sccvn.c (vn_phi_compute_hash): Use vn_hash_type.
	(vn_phi_eq): Compare types from vn_phi_s structure.
	(vn_phi_lookup): Populate vn_phi_s type.
	(vn_phi_insert): Likewise.

2013-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56350
	* tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
	if haven't found reduction or nested cycle operand, rather than
	asserting we must find it.

	PR tree-optimization/56381
	* tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
	to fold_build3.

2013-02-18  Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/52555
	* genopinit.c (raw_optab_handler): Use this_fn_optabs.
	(swap_optab_enable): Same.
	(init_all_optabs): Use argument instead of global.
	* tree.h (struct tree_optimization_option): New field target_optabs.
	* expr.h (init_all_optabs): Add argument to prototype.
	(TREE_OPTIMIZATION_OPTABS): New.
	(save_optabs_if_changed): Protoize.
	* optabs.h: Declare this_fn_optabs.
	* optabs.c (save_optabs_if_changed): New.
	Declare this_fn_optabs.
	(init_optabs): Add argument to init_all_optabs() call.
	* function.c (invoke_set_current_function_hook): Handle per
	function optabs.
	* function.h (struct function): New field optabs.
	* config/mips/mips.c (mips_set_mips16_mode): Handle when
	optimization_current_node has changed.
	* target-globals.h (save_target_globals_default_opts): Protoize.
	* target-globals.c (save_target_globals_default_opts): New.

2013-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/56347
	* config/pa/pa.c (pa_conditional_register_usage): On HP-UX, mark
	registers %fr12 and %fr12R as call used.

	PR target/56214
	* config/pa/predicates.md (base14_operand): Except for BLKmode, QImode
	and HImode, require all displacements to be an integer multiple of
	their mode size.
	* config/pa/pa.c (pa_legitimate_address_p): For REG+BASE addresses,
	only allow QImode and HImode when reload is in progress and strict is
	true.  Likewise for symbolic addresses.  Use base14_operand to check
	displacements in REG+BASE addresses.

2013-02-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56366
	* tree-vect-loop.c (get_initial_def_for_induction): Properly
	handle sign-conversion of outer-loop initial induction value.

2013-02-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56349
	* cfghooks.c (merge_blocks): If we merge a latch into another
	block adjust references to it.
	* cfgloop.c (flow_loops_find): Reset latch before recomputing it.
	(verify_loop_structure): Verify that a recorded latch is in fact
	a latch.

2013-02-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56321
	* tree-ssa-reassoc.c (propagate_op_to_single_use): Properly
	order SSA name release and virtual operand unlinking.

2013-02-17  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/microblaze.md (save_stack_block): Define.
	(restore_stack_block): Likewise.

2013-02-16  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/linux.h (TARGET_SUPPORTS_PIC): Define as 1.
	* config/microblaze/microblaze.h (TARGET_SUPPORTS_PIC): Define as 1.
	* config/microblaze/microblaze.c (microblaze_option_override):
	Bail out early for PIC modes when target does not support PIC.

2013-02-16  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/microblaze.c (microblaze_asm_trampoline_template):
	Replace with a microblaze version.
	(microblaze_trampoline_init): Adapt for microblaze.
	* config/microblaze/microblaze.h (TRAMPOLINE_SIZE): Adapt for
	microblaze.

2013-02-16  Jakub Jelinek  <jakub@redhat.com>
	    Dodji Seketeli  <dodji@redhat.com>

	PR asan/56330
	* asan.c (get_mem_refs_of_builtin_call): White space and style cleanup.
	(instrument_mem_region_access): Do not forget to always put
	instrumentation of the of 'base' and 'base + len' in a "if (len !=
	0) statement, even for cases where either 'base' or 'base + len'
	are not instrumented -- because they have been previously
	instrumented.  Simplify the logic by putting all the statements
	instrument 'base + len' inside a sequence, and then insert that
	sequence right before the current insertion point.  Then, to
	instrument 'base + len', just get an iterator on that statement.
	And do not forget to update the pointer to iterator the function
	received as argument.

2013-02-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56348
	* lra-assigns.c (reload_pseudo_compare_func): Prefer bigger pseudos.

2013-02-15  Steven Bosscher  <steven@gcc.gnu.org>

	* graph.c (start_graph_dump): Print dumpfile base as digraph label.
	(clean_graph_dump_file): Pass base to start_graph_dump.

2013-02-14  Richard Henderson  <rth@redhat.com>

	PR target/55941
	* lower-subreg.c (simple_move): Check dest mode instead of src mode.

2013-02-14  Steven Bosscher  <steven@gcc.gnu.org>

	* collect2-aix.h: Define F_LOADONLY.

2013-02-14  Richard Biener  <rguenther@suse.de>

	PR lto/50494
	* varasm.c (output_constant_def_1): Get the decl representing
	the constant as argument.
	(output_constant_def): Wrap output_constant_def_1.
	(make_decl_rtl): Use output_constant_def_1 with the decl
	representing the constant.
	(build_constant_desc): Optionally re-use a decl already
	representing the constant.
	(tree_output_constant_def): Adjust.

2013-02-14  Dodji Seketeli  <dodji@redhat.com>

	Fix an asan crash
	* asan.c (instrument_builtin_call):  Really put the length of the
	second source argument into src1_len.

2013-02-13  Jakub Jelinek  <jakub@redhat.com>

	* asan.c (create_cond_insert_point): Add create_then_fallthru_edge
	argument.  If it is false, don't create edge from then_bb to
	fallthru_bb.
	(insert_if_then_before_iter): Pass true to it.
	(build_check_stmt): Pass false to it.
	(transform_statements): Flush hash table only on extended basic
	block boundaries, rather than at the beginning of every bb.
	Don't flush hash table on nonfreeing_call_p calls.
	* tree-flow.h (nonfreeing_call_p): New prototype.
	* tree-ssa-phiopt.c (nonfreeing_call_p): No longer static.

2013-02-13  David S. Miller  <davem@davemloft.net>

	* expmed.c (expand_shift_1): Only strip scalar integer subregs.

2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/56184
	* ira.c (max_regno_before_ira): Move from ...
	(ira): ... here.
	(fix_reg_equiv_init): Use max_regno_before_ira instead of
	vec_safe_length.

2013-02-13  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_asan_shadow_offset): Revert last change.

2013-02-13  Richard Biener  <rguenther@suse.de>

	PR lto/56295
	* gimple-streamer-out.c (output_gimple_stmt): Undo wrapping
	globals in MEM_REFs.

2013-02-13  Richard Biener  <rguenther@suse.de>

	* loop-init.c (loop_optimizer_init): Clear loop state when
	re-initializing preserved loops.
	* loop-unswitch.c (unswitch_single_loop): Return whether
	we unswitched the loop.  Do not verify loop state here.
	(unswitch_loops): When we unswitched a loop discover new loops.

2013-02-13  Kostya Serebryany  <kcc@google.com>

	* config/i386/i386.c: Use 0x7fff8000 as asan_shadow_offset
	on x86_64 linux.
	* sanitizer.def: Rename __asan_init to __asan_init_v1.

2013-02-12  Dodji Seketeli  <dodji@redhat.com>

	Avoid instrumenting duplicated memory access in the same basic block
	* Makefile.in (asan.o): Add new dependency on hash-table.h
	* asan.c (struct asan_mem_ref, struct mem_ref_hasher): New types.
	(asan_mem_ref_init, asan_mem_ref_get_end, get_mem_ref_hash_table)
	(has_stmt_been_instrumented_p, empty_mem_ref_hash_table)
	(free_mem_ref_resources, has_mem_ref_been_instrumented)
	(has_stmt_been_instrumented_p, update_mem_ref_hash_table)
	(get_mem_ref_of_assignment): New functions.
	(get_mem_refs_of_builtin_call): Extract from
	instrument_builtin_call and tweak a little bit to make it fit with
	the new signature.
	(instrument_builtin_call): Use the new
	get_mem_refs_of_builtin_call.  Use gimple_call_builtin_p instead
	of is_gimple_builtin_call.
	(instrument_derefs, instrument_mem_region_access): Insert the
	instrumented memory reference into the hash table.
	(maybe_instrument_assignment): Renamed instrument_assignment into
	this, and change it to advance the iterator when instrumentation
	actually happened and return true in that case.  This makes it
	homogeneous with maybe_instrument_assignment, and thus give a
	chance to callers to be more 'regular'.
	(transform_statements): Clear the memory reference hash table
	whenever we enter a new BB, when we cross a function call, or when
	we are done transforming statements.  Use
	maybe_instrument_assignment instead of instrumentation.  No more
	need to special case maybe_instrument_assignment and advance the
	iterator after calling it; it's now handled just like
	maybe_instrument_call.  Update comment.

2013-02-13  Richard Biener  <rguenther@suse.de>

	* config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc):
	Fix loop discovery code.

2013-02-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/56148
	* lra-constraints.c (process_alt_operands): Match early clobber
	operand with itself.  Check conflicts with earlyclobber only if
	the operand is not reloaded.  Prefer to reload conflicting operand
	if earlyclobber and matching operands are the same.

2013-02-12  Richard Biener  <rguenther@suse.de>

	PR lto/56297
	* lto-streamer-out.c (write_symbol): Do not output symbols
	for hard register variables.

2013-02-12  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/avr-dimode.md (umulsidi3, mulsidi3): New expanders.
	(umulsidi3_insn, mulsidi3_insn): New insns.

2013-02-12  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/arm/arm-protos.h (struct cpu_vec_costs): New struct type.
	(struct tune_params): Add vec_costs field.
	* config/arm/arm.c (arm_builtin_vectorization_cost)
	(arm_add_stmt_cost): New functions.
	(TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST)
	(TARGET_VECTORIZE_ADD_STMT_COST): Define.
	(arm_default_vec_cost): New struct of type cpu_vec_costs.
	(arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune)
	(arm_xscale_tune, arm_9e_tune, arm_v6t2_tune, arm_cortex_tune)
	(arm_cortex_a15_tune, arm_cortex_a5_tune, arm_cortex_a9_tune)
	(arm_v6m_tune, arm_fa726te_tune): Define new vec_costs field.

2013-02-12  Richard Biener  <rguenther@suse.de>

	PR lto/56295
	* gimple-streamer-in.c (input_gimple_stmt): Strip MEM_REFs off
	decls again if possible.

2013-02-12  Richard Biener  <rguenther@suse.de>

	PR middle-end/56288
	* tree-ssa.c (verify_ssa_name): Fix check, move
	SSA_NAME_IN_FREE_LIST check up.

2013-02-12  Jakub Jelinek  <jakub@redhat.com>
	    Steven Bosscher   <steven@gcc.gnu.org>

	PR rtl-optimization/56151
	* optabs.c (add_equal_note): Don't return 0 if target is a MEM,
	equal to op0 or op1, and last_insn pattern is CODE operation
	with MEM dest and one of the operands matches that MEM.

2013-02-11  Sriraman Tallam  <tmsriramgoogle.com>

	* doc/extend.texi: Document Function Multiversioning and "default"
	parameter string to target attribute.
	* config/i386/i386.c (get_builtin_code_for_version): Return 0 if
	target attribute parameter is "default".
	(ix86_compare_version_priority): Remove checks for target attribute.
	(ix86_mangle_function_version_assembler_name): Change error to sorry.
	Remove check for target attribute equal to NULL. Add assert.
	(ix86_generate_version_dispatcher_body): Change error to sorry.

2013-02-11  Iain Sandoe  <iain@codesourcery.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/55693
	* config/darwin.h: Replace ENDFILE_SPEC with TM_DESTRUCTOR and
	define ENDFILE_SPEC as TM_DESTRUCTOR.
	* config/i386/darwin.h (ENDFILE_SPEC): Use TM_DESTRUCTOR.

2013-02-11  Alexander Potapenko  <glider@google.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>
	    Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/55617
	* config/darwin.c (cdtor_record): Rename ctor_record.
	(sort_cdtor_records): Rename sort_ctor_records.
	(finalize_dtors): New routine to sort destructors by
	priority before use in assemble_integer.
	(machopic_asm_out_destructor): Use finalize_dtors if needed.

2013-02-11  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/56275
	* simplify-rtx.c (avoid_constant_pool_reference): Check that
	offset is non-negative and less than cmode size before
	calling simplify_subreg.

2013-02-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56264
	* cfgloop.h (fix_loop_structure): Adjust prototype.
	* loop-init.c (fix_loop_structure): Return the number of
	newly discovered loops.
	* tree-cfgcleanup.c (repair_loop_structures): When new loops
	are discovered, do a full loop-closed SSA rewrite.

2013-02-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* tree-vrp.c (simplify_cond_using_ranges): Disable for the
	first VRP run.
	(check_array_ref): Fix missing newline in dumps.
	(search_for_addr_array): Likewise.

2013-02-09  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/aix61.h (OS_MISSING_ALTIVEC): Undefine.

2013-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/56256
	* config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Define.

2013-02-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56246
	* lra-constraints.c (simplify_operand_subreg): Try to reuse
	reload pseudo.
	* lra.c (lra): Clear lra_optional_reload_pseudos only when all
	constraints are satisfied.

2013-02-08  Jeff Law  <law@redhat.com>

	PR debug/53948
	* emit-rtl.c (reg_is_parm_p): New function.
	* regs.h (reg_is_parm_p): New prototype.
	* ira-conflicts.c (ira_build_conflicts): Allow parameters in
	callee-clobbered registers.

2013-02-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/56043
	* config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
	If there is no implicit builtin declaration, just return NULL.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (FMAMODEM): New mode iterator.
	(fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
	mode iterator. Do not use TARGET_SSE_MATH in insn constraint.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
	when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
	* config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.

2013-02-08  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT.
	(microblaze*-*-elf): Likewise.
	* config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to
	LINK_SPEC.
	* config/microblaze/microblaze-c.c: Add builtin defines for
	_LITTLE_ENDIAN and _BIG_ENDIAN.
	* config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and
	add to TARGET_DEFAULT flags.
	Expand ASM_SPEC and LINK_SPEC.
	Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN.
	* config/microblaze/microblaze.md: Update extendsidi2 and
	movdi_internal instructions to use low-order / high-order reg
	print_operands.
	* config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian
	options and inversemask / mask of LITTLE_ENDIAN.
	* config/microblaze/t-microblaze: Expand multilib options to
	include mlittle-endian (le) and update exceptions patterns.

2013-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/56195
	* lra-constraints.c (get_reload_reg): Don't reuse regs
	if they have smaller mode than requested, if they have
	wider mode than requested, try to return a SUBREG.

	PR tree-optimization/56250
	* fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
	if type is unsigned and code isn't MULT_EXPR.

2013-02-08  Georg-Johann Lay  <avr@gjlay.de>

	PR tree-optimization/56064
	* fixed-value.c (fixed_from_double_int): Sign/zero extend payload
	bits according to mode.
	* fixed-value.h (fixed_from_double_int)
	(const_fixed_from_double_int): Adjust comments.

2013-02-08  Richard Biener  <rguenther@suse.de>

	PR lto/56231
	* lto-streamer.h (struct data_in): Remove current_file, current_line
	and current_col members.
	* lto-streamer-out.c (lto_output_location): Stream changed bits
	en-block for efficiency.
	* lto-streamer-in.c (clear_line_info): Remove.
	(lto_input_location): Cache current file, line and column
	globally via local statics.  Read changed bits en-block.
	(input_function): Do not call clear_line_info.
	(lto_read_body): Likewise.
	(lto_input_toplevel_asms): Likewise.

2013-02-08  Michael Matz  <matz@suse.de>

	PR tree-optimization/52448
	* tree-ssa-phiopt.c (struct name_to_bb): Add phase member.
	(nt_call_phase): New static.
	(add_or_mark_expr): Only mark accesses with newer phase than any
	call seen.
	(nonfreeing_call_p): New.
	(nt_init_block): Update nt_call_phase, mark blocks as visited.
	(nt_fini_block): Keep blocks marked as visited.
	(get_non_trapping): Initialize nt_call_phase, and reset aux pointer.

2013-02-08  Richard Biener  <rguenther@suse.de>

	* ira.c (ira): Free broken dominator information.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_spill_class): Use INTEGER_CLASS_P macro.

2013-02-08  Marek Polacek  <polacek@redhat.com>

	* cfgloop.c (verify_loop_structure): Add more checking of headers.

2013-02-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/56181
	* cfgloop.h (flow_loops_find): Adjust.
	(bb_loop_header_p): Declare.
	* cfgloop.c (bb_loop_header_p): New function split out from ...
	(flow_loops_find): ... here.  Adjust function signature,
	support incremental loop structure update.
	(verify_loop_structure): Cleanup.  Verify a loop is a loop.
	* cfgloopmanip.c (fix_loop_structure): Move ...
	* loop-init.c (fix_loop_structure): ... here.
	(apply_loop_flags): Split out from ...
	(loop_optimizer_init): ... here.
	(fix_loop_structure): Use apply_loop_flags.  Use flow_loops_find
	in incremental mode, only remove dead loops here.

2013-02-08  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/avr.md (unspec) <UNSPEC_ROUND>: Add.
	* config/avr/avr-fixed.md (ALL4QA, ALL124QA): New mode iterators.
	(round<mode>3, round<mode>3_const): New expanders for fixed-mode.
	(*round<mode>3.libgcc): New insns for fixed-modes.
	* config/avr/builtins.def (ABSxx): Use a non-NULL LIBNAME.
	(ROUNDxx, COUNTLSxx, BITSxx, xxBITS): New DEF_BUILTINs.
	(ROUNDFX, COUNTLSFX, ABSFX): New DEF_BUILTINs.
	* config/avr/stdfix.h (absFX, bitsFX, FXbits): Remove inline
	implementations.  Define to __builtin_avr_absFX,
	__builtin_avr_bitsFX, __builtin_avr_FXbits, respectively.
	(roundFX, countlsFX): Define to __builtin_avr_roundFX,
	__builtin_avr_countlsFX, respectively.
	* config/avr/avr-c.c (target.h): Include it.
	(enum avr_builtin_id): New enum.
	(avr_resolve_overloaded_builtin): New static function.
	(avr_register_target_pragmas): Use it to set
	targetm.resolve_overloaded_builtin.
	* config/avr/avr.c (avr_init_builtins): Supply myriads of local
	tree nodes used by DEF_BUILTIN.
	(avr_expand_builtin) <AVR_BUILTIN_ROUNDxx>: Sanity-check them.
	(avr_fold_builtin) <AVR_BUILTIN_BITSxx>: Fold to VIEW_COVERT_EXPR.
	<AVR_BUILTIN_xxBITS>: Same.

2013-02-08  Richard Biener  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Properly handle
	a loop exiting to another loop header.
	* ira-int.h (ira_loops): Remove.
	* ira.c (ira_loops): Remove.
	(ira): Use loop_optimizer_init and loop_optimizer_finalize.
	(do_reload): Use loop_optimizer_finalize.
	* ira-build.c (create_loop_tree_nodes): Use get_loops and
	number_of_loops to access the loop tree.
	(more_one_region_p): Likewise.
	(finish_loop_tree_nodes): Likewise.
	(rebuild_regno_allocno_maps): Likewise.
	(mark_loops_for_removal): Likewise.
	(mark_all_loops_for_removal): Likewise.
	(remove_unnecessary_regions): Likewise.
	(ira_build): Likewise.
	* ira-emit.c (setup_entered_from_non_parent_p): Likewise.

2013-02-08  Richard Biener  <rguenther@suse.de>

	* Makefile.in (tree-tailcall.o): Add $(CFGLOOP_H) dependency.
	* ipa-pure-const.c (analyze_function): Avoid calling
	mark_irreducible_loops twice.
	* tree-tailcall.c (tree_optimize_tail_calls_1): Mark loops for fixup.

2013-02-07  David S. Miller  <davem@davemloft.net>

	* dwarf2out.c (based_loc_descr): Perform leaf register remapping
	on 'reg'.
	* var-tracking.c (vt_add_function_parameter): Test the presence of
	HAVE_window_save properly and do not remap argument registers when
	we have a leaf function.

2013-02-07  Uros Bizjak  <ubizjak@gmail.com>

	PR bootstrap/56227
	* ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
	instead of "ll".
	* config/i386/i386.c (ix86_print_operand): Ditto.

2013-02-07  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (process_alt_operands): Fix recently added comment.

2013-02-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56225
	* lra-constraints.c (process_alt_operands): Check that reload hard
	reg can hold value for strict_low_part.

2013-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR debug/56154
	* dwarf2out.c (dwarf2_debug_hooks): Set end_function hook to
	dwarf2out_end_function.
	(in_first_function_p, maybe_at_text_label_p,
	first_loclabel_num_not_at_text_label): New variables.
	(dwarf2out_var_location): In the first function find out
	lowest loclabel_num N where .LVLN is known not to be equal to .Ltext0.
	(find_empty_loc_ranges_at_text_label, dwarf2out_end_function): New
	functions.

2013-02-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/56178
	* cse.c (cse_insn): Do not create a REG_EQUAL note if the source is a
	SUBREG of a register.  Tidy up related block of code.
	* fwprop.c (forward_propagate_and_simplify): Do not create a REG_EQUAL
	note if the source is a register or a SUBREG of a register.

2013-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/56228
	* config/rs6000/rs6000.md (ptrm): New mode attr.
	(call_indirect_aix<ptrsize>, call_indirect_aix<ptrsize>_nor11,
	call_value_indirect_aix<pttrsize>,
	call_value_indirect_aix<pttrsize>_nor11): Use <ptrm> instead of
	m in constraints.

2013-02-07  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

	* collect2.c (main): Set aix64_flag for -G and -bsvr4 too, disable
	if -bnortl. Convert to strcmp and strncmp.

2013-02-07  Alan Modra  <amodra@gmail.com>

	PR target/54009
	* config/rs6000/rs6000.c (mem_operand_gpr): Check that LO_SUM
	addresses won't wrap when offsetting.
	(rs6000_secondary_reload): Provide secondary reloads needed for
	wrapping LO_SUM addresses.

2013-02-06  Thomas Schwinge  <thomas@codesourcery.com>

	* config/gnu.h (GNU_USER_TARGET_OS_CPP_BUILTINS): Never define
	MACH, just __MACH__.

2013-02-06  Richard Biener  <rguenther@suse.de>

	* tracer.c (tracer): Mark loops with LOOPS_NEED_FIXUP
	instead of calling fix_loop_structure.

2013-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56217
	* omp-low.c (use_pointer_for_field): Return false if
	lower_send_shared_vars doesn't generate any copy-out code.

2013-02-06  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/56131
	* cfgrtl.c (delete_insn): Use NOTE_BASIC_BLOCK instead of BLOCK_FOR_INSN
	to get the bb of a NOTE_INSN_BASIC_BLOCK.  Handle the case that the bb
	of the label is NULL.  Add comment.

2013-02-05  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (struct tree_decl_with_vis): Remove thread_local field.

	PR sanitizer/55374
	* config/gnu-user.h (LIBTSAN_EARLY_SPEC): Define.
	(STATIC_LIBTSAN_LIBS): Likewise.
	* gcc.c (ADD_STATIC_LIBTSAN_LIBS, LIBTSAN_EARLY_SPEC): Define.
	(LIBTSAN_SPEC): Add ADD_STATIC_LIBTSAN_LIBS, if LIBTSAN_EARLY_SPEC
	is defined, don't add anything else beyond that.
	(SANITIZER_EARLY_SPEC, SANITIZER_SPEC): Define.
	(LINK_COMMAND_SPEC): Use them.

	PR tree-optimization/56205
	* tree-stdarg.c (check_all_va_list_escapes): Return true if
	there are any PHI nodes that set non-va_list_escape_vars SSA_NAME
	and some va_list_escape_vars SSA_NAME appears in some PHI argument.

2013-02-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/53342
	PR tree-optimization/53185
	* tree-vectorizer.h (vect_check_strided_load): Remove.
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do
	not disallow peeling for vectorized strided loads.
	(vect_check_strided_load): Make static and simplify.
	(vect_analyze_data_refs): Adjust.
	* tree-vect-stmts.c (vectorizable_load): Handle peeled loops
	correctly when vectorizing strided loads.

2013-02-05  Richard Biener  <rguenther@suse.de>

	* doc/install.texi: Refer to ISL, not PPL.

2013-02-05  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55789
	* params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): Drop to 1.

2013-02-05  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55789
	* cgraphclones.c (cgraph_remove_node_and_inline_clones): Remove
	the dead call anyway.

2013-02-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR sanitizer/55374
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Add missing guard.

2013-02-04  Alexander Potapenko  <glider@google.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>
	    Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/55617
	* config/darwin.c (sort_ctor_records): Stabilized qsort
	on constructor priority by using original position.
	(finalize_ctors): New routine to sort constructors by
	priority before use in assemble_integer.
	(machopic_asm_out_constructor): Use finalize_ctors if needed.

2013-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/54314
	* config/i386/winnt.c (i386_pe_assemble_visibility): Don't warn
	about visibility on artificial decls.
	* config/sol2.c (solaris_assemble_visibility): Likewise.

2013-02-04  Kai Tietz  <ktietz@redhat.com>

	PR target/56186
	* config/i386/i386.c (function_value_ms_64): Add additional valtype
	argument and improve checking of return-argument types for 16-byte
	modes.
	(ix86_function_value_1): Add additional valtype argument on call
	of function_value_64.
	(return_in_memory_ms_64): Sync 16-byte sized mode handling with
	handling infunction_value_64 function.

2013-02-04  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

	* reload.c (subst_reloads): Fix DEBUG_RELOAD build issue.

2013-02-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56188
	* tree-ssa-structalias.c (label_visit): Consider case with
	initially non-empty points-to set.
	(perform_var_substitution): Dump node mapping and clean up.

2013-02-04  Richard Guenther  <rguenther@suse.de>

	PR lto/56168
	* lto-symtab.c (lto_symtab_merge_decls_1): Make non-builtin
	node prevail as last resort.
	(lto_symtab_merge_decls): Remove guard on LTRANS here.
	(lto_symtab_prevailing_decl): Builtins are their own prevailing decl.

2013-02-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56113
	* tree-ssa-structalias.c (equiv_class_lookup, equiv_class_add):
	Merge into ...
	(equiv_class_lookup_or_add): ... this.
	(label_visit): Adjust and fix error in previous patch.
	(perform_var_substitution): Adjust.

2013-02-03  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/divtab.c: Fix formatting and comments throughout the file.
	* config/sh/sh4-300.md: Likewise.
	* config/sh/sh4a.md: Likewise.
	* config/sh/constraints.md: Likewise.
	* config/sh/sh.md: Likewise.
	* config/sh/netbsd-elf.h: Likewise.
	* config/sh/predicates.md: Likewise.
	* config/sh/sh-protos.h: Likewise.
	* config/sh/ushmedia.h: Likewise.
	* config/sh/linux.h: Likewise.
	* config/sh/sh.c: Likewise.
	* config/sh/superh.h: Likewise.
	* config/sh/elf.h: Likewise.
	* config/sh/sh4.md: Likewise.
	* config/sh/sh.h: Likewise.

2013-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/constraints.md: Adjust unused letters.  Change "T"
	constraint to match_test floating_point_store_memory_operand().
	* config/pa/predicates.md (reg_plus_base_memory_operand): New.
	(base14_operand): New.
	(floating_point_store_memory_operand): New.
	(integer_store_memory_operand): Revise to use base14_operand and
	reg_plus_base_memory_operand.
	(move_dest_operand): Allow symbolic_memory_operands.
	(symbolic_memory_operand): Check for LO_SOM.
	(symbolic_operand): Change default case to break.
	* config/pa/pa.md: Remove unamed DFmode and SFmode patterns to force
	CONST_DOUBLE values to be reloaded by putting them into memory when
	the destination is a floating point register.
	(movdf): Remove code to handle CONST_DOUBLE.
	(movsf): Likewise.
	(reload_indf_r1): New.
	(reload_insf_r1): New.
	Consistently use "Q" and "T" constraints with integer and floating
	point move instructions, respectively.
	(movdi): Remove FAIL.
	Change predicate for source operand unamed DImode move from
	general_operand to move_src_operand.
	(umulsidi3): Change predicate for destination operand to
	register_operand.
	Likewise for similar unamed patterns.
	* config/pa/pa-protos.h (pa_legitimize_reload_address): Declare.
	* config/pa/pa.c (pa_symbolic_expression_p): Remove extra parenthesis.
	(hppa_legitimize_address): Simplify mask calculation.
	(pa_emit_move_sequence): Revised handling of secondary reloads from
	REG+D addresses for floating point loads and stores.  Directly handle
	loading CONST0_RTX (mode) to a floating point register.
	(pa_secondary_reload): Handle reloading DF and SFmode constant values
	to floating point registers.  Don't restrict secondary reloads to
	floating point registers to integer modes.  Revise some comments and
	cleanup some code.
	(TARGET_LEGITIMATE_ADDRESS_P): Define.
	(pa_legitimate_address_p): New.
	(pa_legitimize_reload_address): New.
	* config/pa/pa.h (STRICT_REG_OK_FOR_INDEX_P): New.
	(STRICT_REG_OK_FOR_BASE_P): New.
	(GO_IF_LEGITIMATE_ADDRESS): Delete.  Update some related comments.
	(LEGITIMIZE_RELOAD_ADDRESS): Revise to use pa_legitimize_reload_address.

2013-02-03  David Edelsohn  <dje.gcc@gmail.com>
	    Andrew Dixie  <andrewd@gentrack.com>

	* collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
	flag set.

2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* expmed.c (extract_bit_field_1): Pass the full width of the
	structure to get_best_reg_extraction_insn.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

	PR target/54601
	* configure.ac (use_cxa_atexit): Add AIX.
	* configure: Regenerate.

	* config/rs6000/aix61.h (STARTFILE_SPEC): Add crtcxa.o.

2013-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54793
	* final.c (need_profile_function): New variable.
	(final_start_function): Drop ATTRIBUTE_UNUSED from first argument.
	If first of NOTE_INSN_BASIC_BLOCK or NOTE_INSN_FUNCTION_BEG
	is only preceeded by NOTE_INSN_VAR_LOCATION or NOTE_INSN_DELETED
	notes, targetm.asm_out.function_prologue doesn't emit anything,
	HAVE_prologue and profiler should be emitted before prologue,
	set need_profile_function instead of emitting it.
	(final_scan_insn): If need_profile_function, emit
	profile_function on the first NOTE_INSN_BASIC_BLOCK or
	NOTE_INSN_FUNCTION_BEG note.

2013-02-01  Richard Henderson  <rth@redhat.com>

	* config/rs6000/rs6000.md (smulditi3): New.
	(umulditi3): New.

	* config/alpha/alpha.md (umulditi3): New.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2.
	(ASM_OUTPUT_ALIGNED_LOCAL): New.

2013-02-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56113
	* tree-ssa-structalias.c (label_visit): Reduce work for
	single-predecessor nodes.

2013-02-01  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
	range isn't testing for zero.

2013-01-31  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/56113
	* fwprop.c (fwprop_init): Set up loops without CFG modifications.

2013-01-31  Hiroyuki Ono  <hiroyuki.ono.jc@renesas.com>
	    Nick Clifton  <nickc@redhat.com>

	* config/v850/constraints.md (Q): Define as a memory constraint.
	* config/v850/predicates.md (label_ref_operand): New predicate.
	(e3v5_shift_operand): New predicate.
	(ior_operator): New predicate.
	* config/v850/t-v850: Add e3v5 multilib.
	* config/v850/v850-protos.h (v850_adjust_insn_length): Prototype.
	(v850_gen_movdi): Prototype.
	* config/v850/v850.c: Add support for e3v5 architecture.
	Rename all uses of TARGET_V850E || TARGET_V850E2_ALL to
	TARGET_V850E_UP.
	(construct_save_jarl): Add e3v5 long JARL support.
	(v850_adjust_insn_length): New function.  Adjust length of call
	insns when using e3v5 instructions.
	(v850_gen_movdi): New function: Generate instructions to move a
	DImode value.
	* config/v850/v850.h (TARGET_CPU_v850e3v5): Define.
	(CPP_SPEC): Define __v850e3v5__ as appropriate.
	(TARGET_USE_FPU): Enable for e3v5.
	(CONST_OK_FOR_W): New macro.
	(ADJUST_INSN_LENGTH): Define.
	* config/v850/v850.md (UNSPEC_LOOP): Define.
	(attr cpu): Add v850e3v5.
	Rename all uses of TARGET_V850E2 to TARGET_V850E2V3_UP.
	(movdi): New pattern.
	(movdi_internal): New pattern.
	(cbranchsf4): Conditionalize on TARGET_USE_FPU.
	(cbranchdf4): Conditionalize on TARGET_USE_FPU.
	(cstoresf4): Likewise.
	(cstoredf4): Likewise.
	(insv): New pattern.
	(rotlso3_a): New pattern.
	(rotlsi3_b): New pattern
	(rotlsi3_v850e3v5): New pattern.
	(doloop_begin): New pattern.
	(fix_loop_counter): New pattern.
	(doloop_end): New pattern.
	(branch_normal): Add e3v5 long branch support.
	(branch_invert): Likewise.
	(branch_z_normal): Likewise.
	(branch_z_invert): Likewise.
	(branch_nz_normal): Likewise.
	(branch_nz_invert): Likewise.
	(call_internal_short): Add e3v5 register-indirect JARL support.
	(call_internal_long): Likewise.
	(call_value_internal_short): Likewise.
	(call_value_internal_long): Likewise.
	* config/v850/v850.opt (mv850e3v5, mv850e2v4): New options.
	(mloop): New option.
	* config.gcc: Add support for configuring v840e3v5 target.
	* doc/invoke.texi: Document new v850 specific command line options.

2013-01-31  Paul Koning  <ni1d@arrl.net>

	PR debug/55059
	PR debug/54508
	* dwarf2out.c (prune_unused_types_mark): Mark all of parent's
	children if parent is a class.
	(prune_unused_types_prune): Don't add DW_AT_declaration.

2013-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56157
	* tree-vect-slp.c (vect_get_slp_defs): More thoroughly try to
	match up operand with SLP child.

2013-01-31  Jason Merrill  <jason@redhat.com>

	PR debug/54410
	* dwarf2out.c (gen_struct_or_union_type_die): Always schedule template
	parameters the first time.
	(gen_scheduled_generic_parms_dies): Check completeness here.

2013-01-31  Richard Biener  <rguenther@suse.de>

	PR middle-end/53073
	* common.opt (faggressive-loop-optimizations): New flag,
	enabled by default.
	* doc/invoke.texi (faggressive-loop-optimizations): Document.
	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Guard
	infer_loop_bounds_from_undefined by it.

2013-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56150
	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Do not
	visit virtual operands.
	(find_uses_to_rename_bb): Likewise.

2013-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56150
	* tree-ssa-tail-merge.c (gimple_equal_p): Properly handle
	mixed store non-store stmts.

2013-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/55374
	* gcc.c (LIBASAN_SPEC): Define just to ADD_STATIC_LIBASAN_LIBS if
	LIBASAN_EARLY_SPEC is defined.
	(LIBASAN_EARLY_SPEC): Define to empty string if not already defined.
	(LINK_COMMAND_SPEC): Add LIBASAN_EARLY_SPEC for -fsanitize=address,
	before %o.
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Define.

	PR c++/55742
	* config/i386/i386.c (ix86_valid_target_attribute_inner_p): Diagnose
	invalid args instead of ICEing on it.
	(ix86_valid_target_attribute_tree): Return error_mark_node if
	ix86_valid_target_attribute_inner_p failed.
	(ix86_valid_target_attribute_p): Return false only if
	ix86_valid_target_attribute_tree returned error_mark_node.  Allow
	target("default") attribute.
	(sorted_attr_string): Change argument from const char * to tree,
	merge in all target attribute arguments rather than just one.
	Formatting fix.  Use XNEWVEC instead of xmalloc and XDELETEVEC
	instead of free.  Avoid using strcat.
	(ix86_mangle_function_version_assembler_name): Mangle
	target("default") as if no target attribute is present.  Adjust
	sorted_attr_string caller.  Avoid leaking memory.  Use XNEWVEC
	instead of xmalloc and XDELETEVEC instead of free.
	(ix86_function_versions): Don't return true if one of the decls
	doesn't have target attribute.  If they don't and one of the decls
	is DECL_FUNCTION_VERSIONED, report an error.  Adjust
	sorted_attr_string caller.  Use XDELETEVEC instead of free.
	(ix86_supports_function_versions): Remove.
	(make_name): Fix up formatting.
	(make_dispatcher_decl): Remove resolver_name and its initialization.
	Avoid leaking memory.
	(is_function_default_version): Return true if there is
	target("default") attribute rather than no target attribute at all.
	(make_resolver_func): Avoid leaking memory.
	(ix86_generate_version_dispatcher_body): Likewise.
	(TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS): Remove.
	* target.def (supports_function_versions): Remove.
	* doc/tm.texi.in (SUPPORTS_FUNCTION_VERSIONS): Remove.
	* doc/tm.texi: Regenerated.

2013-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56144
	* lra-constraints.c (get_reload_reg): Don't reuse reload pseudo
	for values with side effects.

2013-01-30  Richard Biener  <rguenther@suse.de>

	* sparseset.h (sparseset_bit_p): Use gcc_checking_assert.
	(sparseset_pop): Likewise.
	* cfganal.c (compute_idf): Likewise.  Increase work-stack size
	to be able to use quick_push in the worker loop.

2013-01-30  Marek Polacek  <polacek@redhat.com>

	* cfgcleanup.c (cleanup_cfg): Don't mark affected BBs.

2013-01-30  Richard Biener  <rguenther@suse.de>

	PR lto/56147
	* lto-symtab.c (lto_symtab_merge_decls_1): Guard DECL_BUILT_IN check.

2013-01-30  Georg-Johann Lay  <avr@gjlay.de>

	PR tree-optimization/56064
	* fixed-value.c (fixed_from_double_int): New function.
	* fixed-value.h (fixed_from_double_int): New prototype.
	(const_fixed_from_double_int): New static inline function.
	* fold-const.c (native_interpret_fixed): New static function.
	(native_interpret_expr) <FIXED_POINT_TYPE>: Use it.
	(can_native_interpret_type_p) <FIXED_POINT_TYPE>: Return true.
	(native_encode_fixed): New static function.
	(native_encode_expr) <FIXED_CST>: Use it.
	(native_interpret_int): Move double_int worker code to...
	* double-int.c (double_int::from_buffer): ...this new static method.
	* double-int.h (double_int::from_buffer): Prototype it.

2013-01-30  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (final_solutions, final_solutions_obstack):
	New pointer-map and obstack.
	(init_alias_vars): Allocate pointer-map and obstack.
	(delete_points_to_sets): Free them.
	(find_what_var_points_to): Cache result.
	(find_what_p_points_to): Adjust for changed interface of
	find_what_var_points_to.
	(compute_points_to_sets): Likewise.
	(ipa_pta_execute): Likewise.

2013-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (HAVE_AS_SPARC_NOBITS): New test.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Emit
	#nobits/#progbits if supported.

2013-01-29  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/56121
	* config/sh/sh.md (bclr_m2a, bset_m2a, bst_m2a, bld_m2a, bldsign_m2a,
	bld_reg, *bld_regqi, band_m2a, bandreg_m2a, bor_m2a, borreg_m2a,
	bxor_m2a, bxorreg_m2a): Add satisfies_constraint_K03 condition.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/cortex-a7.md (cortex_a7_neon, cortex_a7_all): Remove.
	(cortex_a7_idiv): Use cortex_a7_both instead of cortex_a7_all.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
	* config/arm/cortex-a7.md (cortex_a7_call): Update required units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm-protos.h (arm_mac_accumulator_is_result): New
	declaration.
	* config/arm/arm.c (arm_mac_accumulator_is_result): New function.
	* config/arm/cortex-a7.md: New bypasses using
	arm_mac_accumulator_is_result.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/cortex-a7.md (cortex_a7_neon_mul):  New reservation.
	(cortex_a7_neon_mla): Likewise.
	(cortex_a7_fpfmad): New reservation.
	(cortex_a7_fpmacs): Use ffmas and update required units.
	(cortex_a7_fpmuld): Update required units and latency.
	(cortex_a7_fpmacd): Likewise.
	(cortex_a7_fdivs, cortex_a7_fdivd): Likewise.
	(cortex_a7_neon). Likewise.
	(bypass) Update participating units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (type): Add ffmas and ffmad to "type" attribute.
	* config/arm/vfp.md (fma,fmsub,fnmsub,fnmadd): Change type
	from fmac to ffma.
	* config/arm/vfp11.md (vfp_farith): Use ffmas.
	(vfp_fmul): Use ffmad.
	* config/arm/cortex-r4f.md (cortex_r4_fmacs): Use ffmas.
	(cortex_r4_fmacd): Use ffmad.
	* config/arm/cortex-m4-fpu.md (cortex_m4_fmacs): Use ffmas.
	* config/arm/cortex-a9.md (cortex_a9_fmacs):  Use ffmas.
	(cortex_a9_fmacd): Use ffmad.
	* config/arm/cortex-a8-neon.md (cortex_a8_vfp_macs): Use ffmas.
	(cortex_a8_vfp_macd): Use ffmad.
	* config/arm/cortex-a5.md (cortex_a5_fpmacs): Use ffmas.
	(cortex_a5_fpmacd): Use ffmad.
	* config/arm/cortex-a15-neon.md (cortex_a15_vfp_macs) Use ffmas.
	(cortex_a15_vfp_macd): Use ffmad.
	* config/arm/arm1020e.md (v10_fmul): Use ffmas and ffmad.

2013-01-29  Jason Merrill  <jason@redhat.com>

	PR libstdc++/54314
	* varasm.c (default_assemble_visibility): Don't warn about
	visibility on artificial decls.

2013-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56113
	* tree-ssa-structalias.c (equiv_class_lookup): Also return
	the bitmap leader.
	(label_visit): Free duplicate bitmaps and record the leader instead.
	(perform_var_substitution): Adjust.

2013-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55270
	* tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
	the CFG, schedule loops for fixup.

2013-01-29  Nick Clifton  <nickc@redhat.com>

	* config/rl78/rl78.c (rl78_regno_mode_code_ok_for_base_p): Allow
	SP_REG.

2013-01-28  Leif Ekblad  <leif@rdos.net>

	* config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
	* config/i386/i386.h (TARGET_RDOS): New macro.
	(DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
	* config/i386/i386.c (ix86_option_override_internal): For 64bit
	TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
	* config/i386/i386.opt (mlarge-data-threshold): Initialize to
	DEFAULT_LARGE_SECTION_THRESHOLD.
	* config/i386/i386.md (R14_REG, R15_REG): New constants.
	* config/i386/rdos.h: New file.
	* config/i386/rdos64.h: New file.

2013-01-28  Bernd Schmidt  <bernds@codesourcery.com>

	PR other/54814
	* reload.c (find_valid_class_1): Use in_hard_reg_set_p instead of
	TEST_HARD_REG_BIT.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/56117
	* sched-deps.c (sched_analyze_2) <case PREFETCH>: For use_cselib
	call cselib_lookup_from_insn on the MEM before calling
	add_insn_mem_dependence.

2013-01-28  Richard Biener  <rguenther@suse.de>

	* tree-inline.c (remap_gimple_stmt): Do not assing a BLOCK
	to a stmt that didn't have one.
	(copy_phis_for_bb): Likewise for PHI arguments.
	(copy_debug_stmt): Likewise for debug stmts.

2013-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56034
	* tree-loop-distribution.c (enum partition_kind): Add PKIND_REDUCTION.
	(partition_builtin_p): Adjust.
	(generate_code_for_partition): Handle PKIND_REDUCTION.  Assert
	it is the last partition.
	(rdg_flag_uses): Check SSA_NAME_IS_DEFAULT_DEF before looking
	up the vertex for the definition.
	(classify_partition): Classify whether a partition is a
	PKIND_REDUCTION, thus has uses outside of the loop.
	(ldist_gen): Inherit PKIND_REDUCTION when merging partitions.
	Merge all PKIND_REDUCTION partitions into the last partition.
	(tree_loop_distribution): Seed partitions from reductions as well.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56125
	* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
	pow(x,c) into sqrt(x) * powi(x, n/2) or
	1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
	optimizing for size.
	Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
	1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
	integer.

	PR tree-optimization/56094
	* gimplify.c (force_gimple_operand_1): Temporarily set input_location
	to UNKNOWN_LOCATION while gimplifying expr.

2013-01-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/56114
	* config/i386/i386.md (*movabs<mode>_1): Add square brackets around
	operand 0 in movabs insn template for -masm=intel asm alternative.
	(*movabs<mode>_2): Ditto for operand 1.

2013-01-26  David Holsgrove  <david.holsgrove@xilinx.com>

	PR target/54663
	* config.gcc (microblaze*-linux*): Add tmake_file to allow building
	of microblaze-c.o

2013-01-26  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config.gcc (microblaze*-*-*): Rename microblaze*-*-elf, update
	tm_file.

2013-01-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.c (TARGET_FIXED_CONDITION_CODE_REGS):
	Undef to avoid warning.

2013-01-25  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

	* configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
	* configure: Regenerate.

2013-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56098
	* tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
	for stmts with volatile ops.
	(cond_store_replacement): Don't optimize if assign has volatile ops.
	(cond_if_else_store_replacement_1): Don't optimize if either
	then_assign or else_assign have volatile ops.
	(hoist_adjacent_loads): Don't optimize if either def1 or def2 have
	volatile ops.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

	* doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

	* doc/extend.texi (Example of asm with clobbered asm reg): Fix
	missing ':' in asm example.

2013-01-25  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-simd-builtins.def: Separate sq<r>dmulh_lane
	entries into lane and laneq entries.
	* config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_lane<mode>):
	Remove AdvSIMD scalar modes.
	(aarch64_sq<r>dmulh_laneq<mode>): New.
	(aarch64_sq<r>dmulh_lane<mode>): New RTL pattern for Scalar AdvSIMD
	modes.
	* config/aarch64/arm_neon.h: Fix all the vq<r>dmulh_lane* intrinsics'
	builtin implementations to relfect changes in RTL in aarch64-simd.md.
	* config/aarch64/iterators.md (VCOND): New.
	(VCONQ): New.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/builtins.def (DEF_BUILTIN): Add LIBNAME argument.
	Add NULL LIBNAME argument to existing definitions.
	(ABSHR, ABSR, ABSLR, ABSLLR, ABSHK, ABSK, ABSLK, ABSLLK): New.
	* config/avr/avr-c.c (DEF_BUILTIN): Add LIBNAME argument.
	* config/avr/avr.c (DEF_BUILTIN): Same.
	(avr_init_builtins): Pass down LIBNAME to add_builtin_function.
	(avr_expand_builtin): Expand to a vanilla call if a libgcc
	implementation is available (DECL_ASSEMBLER_NAME is set).
	(avr_fold_absfx): New static function.
	(avr_fold_builtin): Use it to handle: AVR_BUILTIN_ABSHR,
	AVR_BUILTIN_ABSR, AVR_BUILTIN_ABSLR, AVR_BUILTIN_ABSLLR,
	AVR_BUILTIN_ABSHK, AVR_BUILTIN_ABSK, AVR_BUILTIN_ABSLK,
	AVR_BUILTIN_ABSLLK.
	* config/avr/stdfix.h (abshr, absr, abslr, absllr)
	(abshk, absk, abslk, absllk): Provide as static inline functions.

2013-01-25  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/56035
	* cfgloopmanip.c (fix_loop_structure): Remove redundant condition.

2012-01-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
	(*movtf_internal_rex64): Add (!o,C) alternative
	(*movxf_internal_rex64): Ditto.
	(*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.

2013-01-24  Shenghou Ma  <minux.ma@gmail.com>

	* doc/invoke.texi: fix typo.
	* doc/objc.texi: fix typo.

2013-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (*and<mode>3_mips16): Use the "W" constraint
	for the first two alternatives.

2013-01-24  Diego Novillo  <dnovillo@google.com>

	* Makefile.in (GGC): Remove.  Replace all instances with ggc-page.o.
	(ggc-zone.o): Remove.
	* configure.ac: Remove option --with-gc.
	* configure: Re-generate.
	* doc/install.texi: Remove documentation for --with-gc.
	* gengtype.c (write_enum_defn): Remove.  Update all users.
	(write_Types_process_field): Remove generation of gt_e_* argument.
	(output_type_enum): Remove.  Update all users.
	(write_enum_defn): Remove.  Update all users.
	(enum alloc_zone): Remove.  Update all users.
	(write_splay_tree_allocator_def): Remove generation of gt_e_* argument.
	* ggc-common.c (ggc_splay_alloc): Remove first argument.
	Update all callers.
	(struct ptr_data): Remove field TYPE.  Update all users.
	(gt_pch_note_object): Remove argument TYPE.  Update all users.
	* ggc-internal.h (ggc_pch_alloc_object): Remove last argument.
	Update all users.
	* ggc-none.c (ggc_alloc_typed_stat): Remove.
	(struct alloc_zone): Remove.
	(ggc_internal_alloc_zone_stat): Remove.
	(ggc_internal_cleared_alloc_zone_stat): Remove.
	* ggc-page.c (ggc_alloc_typed_stat): Remove.
	(ggc_pch_count_object): Remove last argument.  Update all users.
	(ggc_pch_alloc_object): Remove last argument.  Update all users.
	(struct alloc_zone): Remove.
	* ggc-zone.c: Remove.
	* ggc.h (gt_pch_note_object): Remove last argument.  Update all users.
	(struct alloc_zone): Remove.
	(ggc_alloc_typed_stat): Remove.
	(ggc_alloc_typed): Remove.
	(ggc_splay_alloc): Remove first argument.
	(rtl_zone): Remove.  Update all users.
	(tree_zone): Remove.  Update all users.
	(tree_id_zone): Remove.  Update all users.
	(ggc_internal_zone_alloc_stat): Remove.  Update all users.
	(ggc_internal_zone_cleared_alloc_stat): Remove.  Update all users.
	(ggc_internal_zone_vec_alloc_stat): Remove.  Update all users.
	* tree-ssanames.c: Remove references to zone allocator in comments.

2013-01-24  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_out_fract): Make register numbers that
	might be outside of source operand signed.

2013-01-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/constraints.md (Yf): New constraint.
	* config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
	of f constraint to conditionaly disable x87 register preferences.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.

2013-01-24  Steven Bosscher  <steven@gcc.gnu.org>

	PR inline-asm/55934
	* lra-assigns.c (assign_by_spills): Throw away the pattern of asms
	that have operands with impossible constraints.
	Add a FIXME for a speed-up opportunity.
	* lra-constraints.c (process_alt_operands): Verify that a class
	selected from constraints on asms is valid for the operand mode.
	(curr_insn_transform): Remove incorrect comment.

2013-01-23  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Check that
	TOC operand is a valid symbol ref in the constant pool.

2013-01-23  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

	* config/microblaze/linux.h: Add TARGET_OS_CPP_BUILTINS

2013-01-23  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54222
	* config/avr/stdfix.h: New file.
	* t-avr (stdfix-gcc.h): New rule to build it.
	(EXTRA_HEADERS): Set it to install stdfix.h, stdfix-gcc.h.

2013-01-23  Kostya Serebryany  <kcc@google.com>

	* config/darwin.h: remove dependency on
	CoreFoundation (asan on Mac OS).

2013-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR target/49069
	* config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
	instead of cmpdi_operand for first comparison operand.
	Don't assert that comparison operands aren't both constants.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/install.texi (Downloading the Source): Update references to
	downloading separate components.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/extend.texi (__int128): Improve grammar.

2013-01-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/56028
	* config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
	alternative to (o,r).
	(*movdi_internal_rex64): Remove (!o,n) alternative.
	(DImode immediate->memory splitter): Remove.
	(DImode immediate->memory peephole2): Remove.
	(movtf): Enable for TARGET_64BIT || TARGET_SSE.
	(*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
	alternative to (!o,*r).
	(*movtf_internal_sse): New pattern.
	(*movxf_internal_rex64): New pattern.
	(*movxf_internal): Disable for TARGET_64BIT.
	(*movdf_internal_rex64): Remove (!o,F) alternative.

2013-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56074
	* dumpfile.c (dump_loc): Only print loc if LOCATION_LOCUS (loc)
	isn't UNKNOWN_LOCATION nor BUILTINS_LOCATION.
	* tree-vect-loop-manip.c (find_loop_location): Also ignore
	stmt locations where LOCATION_LOCUS of the stmt location is
	UNKNOWN_LOCATION or BUILTINS_LOCATION.

	PR target/55686
	* config/i386/i386.md (UNSPEC_STOS): New.
	(strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
	*strsetqi_1): Add UNSPEC_STOS.

2013-01-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56067
	* doc/invoke.texi: Remove left over -Wsynth example.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56051
	* fold-const.c (fold_binary_loc): Don't fold
	X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
	a narrowing conversion, or widening conversion from signed
	to unsigned.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/56023
	* haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
	dependent on debug instruction.

2013-01-21  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/56022
	* function.c (allocate_struct_function): Call
	invoke_set_current_function_hook earlier.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

	* reload1.c (init_reload): Only initialize reload_obstack
	during the first call.

2013-01-21  Marek Polacek  <polacek@redhat.com>

	* cfgloop.c (verify_loop_structure): Fix up grammar.

2013-01-21  Yi-Hsiu Hsu  <ahsu@marvell.com>

	* config/arm/marvell-pj4.md (pj4_shift_conds, pj4_alu_shift,
	pj4_alu_shift_conds, pj4_shift): Handle simple_alu_shift.

2013-01-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/56058
	* config/arm/marvell-pj4.md: Update copyright year.
	Fix up use of alu to alu_reg and simple_alu_imm.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.

2013-01-20  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/55433
	* lra-constraints.c (curr_insn_transform): Don't reuse original
	insn for secondary memory move when memory mode should be different.

2013-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.md (atomic_loaddi, atomic_loaddi_1, atomic_storedi,
	atomic_storedi_1): New patterns.

2013-01-20  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	btver2 pipeline descriptions.
	* config/i386/i386.c: Enable CPU_BTVER2 to use btver2 pipeline
	descriptions.
	* config/i386/i386.md (btver2_decode): New type attributes.
	* config/i386/sse.md (btver2_decode, btver2_sse_attr): New
	type attributes.
	* config/i386/btver2.md: New file describing btver2 pipelines.

2013-01-19  Andrew Pinski  <apinski@cavium.com>

	PR tree-optimization/52631
	* tree-ssa-sccvn (visit_use): Before looking up the original
	statement, try looking up the simplified expression.

2013-01-19  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.c (moxie_expand_prologue): Set
	current_function_static_stack_size.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56029
	* tree-phinodes.c (reserve_phi_args_for_new_edge): Set
	gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.

2013-01-18  Sharad Singhai  <singhai@google.com>

	PR tree-optimization/55995
	* dumpfile.c (dump_loc): Print location only if available.
	* tree-vectorizer.c (increase_alignment): Intialize vect_location.

2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/55433
	* lra-constraints.c (curr_insn_transform): Reuse original insn for
	secondary memory move.
	(inherit_reload_reg): Use rclass instead of cl for
	check_secondary_memory_needed_p.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/56015
	* expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
	the case where writing real complex part of target modifies op1.

2013-01-18  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_vcond_internal<mode>): Handle unordered cases.
	* config/aarch64/iterators.md (v_cmp_result): New.

2013-01-18  Yi-Hsiu Hsu  <ahsu@marvell.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/marvell-pj4.md: New file.
	* config/arm/arm.c (arm_issue_rate): Add marvell_pj4.
	* config/arm/arm.md (generic_sched): Add marvell_pj4.
	(generic_vfp): Likewise.
	* config/arm/arm-cores.def: Add marvell-pj4.
	* config/arm/arm-tune.md: Regenerate.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Add marvell_pj4.
	* doc/invoke.texi: Document marvell-pj4.

2013-01-18  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/arm_neon.h: Map scalar types to standard types.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/54114
	PR debug/54402
	PR debug/49888
	* var-tracking.c (negative_power_of_two_p): New.
	(global_get_addr_cache, local_get_addr_cache): New.
	(get_addr_from_global_cache, get_addr_from_local_cache): New.
	(vt_canonicalize_addr): Rewrite using the above.  Adjust the
	heading comment.
	(vt_stack_offset_p): Remove.
	(vt_canon_true_dep): Always canonicalize loc's address.
	(clobber_overlapping_mems): Make sure we have a MEM.
	(local_get_addr_clear_given_value): New.
	(val_reset): Clear local cached entries.
	(compute_bb_dataflow): Create and release the local cache.
	Disable duplicate MEMs clobbering.
	(emit_notes_in_bb): Clobber MEMs likewise.
	(vt_emit_notes): Create and release the local cache.
	(vt_initialize, vt_finalize): Create and release the global
	cache, respectively.
	* alias.c (rtx_equal_for_memref_p): Compare operands of ENTRY_VALUEs.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

	PR libmudflap/53359
	* tree-mudflap.c (mudflap_finish_file): Skip deferred decls
	not found in the symtab.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/56006
	PR rtl-optimization/55547
	PR rtl-optimization/53827
	PR debug/53671
	PR debug/49888
	* alias.c (offset_overlap_p): New, factored out of...
	(memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
	the conservative special case for symbolic constants.  Don't
	adjust zero sizes on alignment.

2013-01-18  Bernd Schmidt  <bernds@codesourcery.com>

	PR rtl-optimization/52573
	* regrename.c (build_def_use): Ignore REG_DEAD notes if there is a
	REG_UNUSED for the same register.

2013-01-17  Richard Biener  <rguenther@suse.de>
	    Marek Polacek  <polacek@redhat.com>

	PR rtl-optimization/55833
	* loop-unswitch.c (unswitch_loops): Move loop verification...
	(unswitch_single_loop): ...here.  Call mark_irreducible_loops.
	* cfgloopmanip.c (fix_loop_placement): Add IRRED_INVALIDATED parameter.
	Set it to true when we're removing a loop from hierarchy tree in
	an irreducible region.
	(fix_bb_placements): Adjust caller.
	(fix_loop_placements): Likewise.

2013-01-17  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/builtins.def (DEF_BUILTIN): Factor out
	"__builtin_avr_" from NAME, turn NAME to an uppercase identifier.
	Factor out 'CODE_FOR_' from ICODE, use 'nothing' instead of '-1'.
	Remove ID.  Adjust comments.
	* config/avr/avr-c.c (avr_builtin_name): Remove.
	(avr_cpu_cpp_builtins): Use DEF_BUILTIN instead of for-loop.
	* config/avr/avr.c (avr_tolower): New static function.
	(DEF_BUILTIN): Remove parameter ID.  Prefix ICODE by 'CODE_FOR_'.
	Stringify NAME, prefix it with "__builtin_avr_" and lowercase it.
	(avr_expand_builtin): Assert insn_code != CODE_FOR_nothing for
	default expansion.

2013-01-17  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55273
	* loop-iv.c (iv_number_of_iterations): Consider zero iteration case.

2013-01-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/55981
	* config/i386/sync.md (atomic_store<mode>): Always generate SWImode
	store through atomic_store<mode>_1.
	(atomic_store<mode>_1): Macroize insn using SWI mode iterator.

2013-01-17  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimizations/55264
	* ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
	for virtual methods.
	* ipa.c (symtab_remove_unreachable_nodes): Never return true for
	virtual methods before inlining is over.
	* cgraph.h (cgraph_only_called_directly_or_aliased_p): Return false for
	virtual functions.
	* cgraphclones.c (cgraph_create_virtual_clone): Mark clones as
	non-virtual.

2013-01-16  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56005
	* sched-deps.c (sched_analyze_2): Check deps->readonly for adding
	pending reads for prefetch.

2013-01-16  Ian Bolton  <ian.bolton@arm.com>

	* config/aarch64/aarch64.md
	(*cstoresi_neg_uxtw): New pattern.
	(*cmovsi_insn_uxtw): New pattern.
	(*<optab>si3_uxtw): New pattern.
	(*<LOGICAL:optab>_<SHIFT:optab>si3_uxtw): New pattern.
	(*<optab>si3_insn_uxtw): New pattern.
	(*bswapsi2_uxtw): New pattern.

2013-01-16  Richard Biener  <rguenther@suse.de>

	* tree-inline.c (tree_function_versioning): Remove set but
	never used variable.

2013-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55964
	* tree-flow.h (rename_variables_in_loop): Remove.
	(rename_variables_in_bb): Likewise.
	* tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
	(copy_loop_before): Adjust and delete update-ssa status.
	* tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
	(rename_variables_in_bb): Likewise.  Properly walk over predecessors.
	(rename_variables_in_loop): Remove.
	(slpeel_update_phis_for_duplicate_loop): Likewise.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
	use available cfg machinery instead of duplicating it.
	Update PHI nodes and perform poor-mans SSA update here.
	(slpeel_tree_peel_loop_to_edge): Adjust.

2013-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54767
	PR tree-optimization/53465
	* tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
	(vrp_visit_phi_node): For PHI arguments coming via backedges
	drop all symbolical range information.
	(execute_vrp): Compute backedges.

2013-01-16  Richard Biener  <rguenther@suse.de>

	* doc/install.texi: Update CLooG and ISL requirements to
	0.18.0 and 0.11.1.

2013-01-16  Christian Bruel  <christian.bruel@st.com>

	PR target/55301
	* config/sh/sh.c (sh_expand_prologue): Postpone new_stack mem symbol.
	(broken_move): Handle UNSPECV_SP_SWITCH_B.
	* config/sh/sh.md (sp_switch_1): Use set (reg:SI SP_REG).

2013-01-16  DJ Delorie  <dj@redhat.com>

	* config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
	(UNSPECV_SP_SWITCH_E): New.
	(sp_switch_1): Change to an unspec.
	(sp_switch_2): Change to an unspec.  Don't use post-inc when we
	replace $r15.

2013-01-16  Uros Bizjak  <ubizjak@gmail.com>

	* emit-rtl.c (need_atomic_barrier_p): Mask memory model argument
	with MEMMODEL_MASK before comparing with MEMMODEL_* memory types.
	* optabs.c (maybe_emit_sync_lock_test_and_set): Ditto.
	(expand_mem_thread_fence): Ditto.
	(expand_mem_signal_fence): Ditto.
	(expand_atomic_load): Ditto.
	(expand_atomic_store): Ditto.

2013-01-16  Alexandre Oliva  <aoliva@redhat.com>

	PR rtl-optimization/55547
	PR rtl-optimization/53827
	PR debug/53671
	PR debug/49888
	* alias.c (memrefs_conflict_p): Set sizes to negative after
	AND adjustments.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR target/55940
	* function.c (thread_prologue_and_epilogue_insns): Always
	add crtl->drap_reg to set_up_by_prologue.set, even if
	stack_realign_drap is false.

2013-01-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* config/vax/vax.md (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3,
	and<mode>3, *and<mode>_const_int, ior<mode>3, xor<mode>3, ashrsi3,
	*call): Fix indention.

2013-01-15  Tom de Vries  <tom@codesourcery.com>

	PR target/55876
	* optabs.c (widen_operand): Use gen_lowpart instead of gen_rtx_SUBREG.
	Update comment.

2013-01-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55153
	* sched-deps.c (sched_analyze_2): Add pending reads for prefetch.

2013-01-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55920
	* tree-sra.c (analyze_access_subtree): Do not mark non-removable
	accesses as grp_to_be_debug_replaced.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55920
	* tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced
	there is non-useless type conversion needed from debug rhs to lhs,
	use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.

2013-01-15  Joseph Myers  <joseph@codesourcery.com>
	    Mikael Pettersson  <mikpe@it.uu.se>

	PR target/43961
	* config/arm/arm.h (ADDR_VEC_ALIGN): Align SImode jump tables for
	Thumb.
	(ASM_OUTPUT_CASE_LABEL): Remove.
	(ASM_OUTPUT_BEFORE_CASE_LABEL): Define to empty.
	* final.c (shorten_branches): Update alignment of labels before
	jump tables if CASE_VECTOR_SHORTEN_MODE.

2013-01-15  Richard Biener  <rguenther@suse.de>

	PR bootstrap/55961
	* system.h: Do not include gmp.h for building host tools.

2013-01-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/55882
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
	account for bitpos when computing alignment.

2013-01-15  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

	* config/i386/i386-c.c (ix86_target_macros_internal): New case.
	(ix86_target_macros_internal): Likewise.

	* config/i386/i386.c (m_CORE2I7): Removed.
	(m_CORE_HASWELL): New macro.
	(m_CORE_ALL): Likewise.
	(initial_ix86_tune_features): m_CORE2I7 is replaced by m_CORE_ALL.
	(initial_ix86_arch_features): Likewise.
	(processor_target_table): Initializations for Core avx2.
	(cpu_names): New names "core-avx2".
	(ix86_option_override_internal): Changed PROCESSOR_COREI7 by
	PROCESSOR_CORE_HASWELL.
	(ix86_issue_rate): New case.
	(ia32_multipass_dfa_lookahead): Likewise.
	(ix86_sched_init_global): Likewise.

	* config/i386/i386.h (TARGET_HASWELL): New macro.
	(target_cpu_default): New TARGET_CPU_DEFAULT_haswell.
	(processor_type): New PROCESSOR_HASWELL.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55955
	* tree-vect-loop.c (vectorizable_reduction): Give up early on
	*SHIFT_EXPR and *ROTATE_EXPR codes.

	PR tree-optimization/48766
	* opts.c (common_handle_option): For -fwrapv disable -ftrapv, for
	-ftrapv disable -fwrapv.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

	PR target/55974
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
	etc. to 1 and not to __flash.
	Use LL suffix for __INT24_MAX__ with -mint8.
	Use ULL suffix for __UINT24_MAX__ with -mint8.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-arch.h
	(struct base_arch_s): Use typedef avr_arch_t instead.
	(struct arch_info_s): Use typedef avr_arch_info_t instead.
	(struct mcu_type_s): Use typedef avr_mcu_t instead.
	* config/avr/avr.c: Same.
	* config/avr/avr-devices.c: Same.
	* config/avr/driver-avr.c: Same.
	* config/avr/gen-avr-mmcu-texi.c: Same.
	* config/avr/avr-mcus.def: Adjust comment.

2013-01-14  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): New.
	* config/aarch64/iterators.md (VALLDI): New.

2013-01-14  Uros Bizjak  <ubizjak@gmail.com>
	    Andi Kleen  <ak@linux.intel.com>

	PR target/55948
	* config/i386/sync.md (atomic_store<mode>_1): New pattern.
	(atomic_store<mode>): Call atomic_store<mode>_1 for IX86_HLE_RELEASE
	memmodel flag.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-stdint.h: Remove trailing blanks.
	* config/avr/avr-log.h: Same.
	* config/avr/avr-arch.h: Same.
	* config/avr/avr-devices.c: Same.
	* config/avr/avr-dimode.md: Same.
	* config/avr/predicates.md: Same.
	* config/avr/avr-c.c: Same.  And fix typo.

	* config/avr/avr-protos.h: Same.  And:
	(function_arg_regno_p): Rename to avr_function_arg_regno_p.
	(init_cumulative_args): Rename to avr_init_cumulative_args.
	(expand_prologue): Rename to avr_expand_prologue.
	(expand_epilogue): Rename to avr_expand_epilogue.
	(adjust_insn_length): Rename to avr_adjust_insn_length.
	(notice_update_cc): Rename to avr_notice_update_cc.
	(final_prescan_insn): Rename to avr_final_prescan_insn.
	* config/avr/avr.c: Same.
	* config/avr/avr.h: Same.
	* config/avr/avr.md: Remove trailing blanks.
	(prologue): Use avr_expand_prologue.
	(epilogue, sibcall_epilogue): Use avr_expand_epilogue.

2013-01-14  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (verify_expr_location, verify_expr_location_1,
	verify_location, collect_subblocks): New functions.
	(verify_gimple_in_cfg): Verify that locations only reference
	BLOCKs in the functions BLOCK tree.

2013-01-14  Richard Biener  <rguenther@suse.de>

	* tree-cfgcleanup.c (remove_forwarder_block): Unshare propagated
	PHI argument.
	* graphite-sese-to-poly.c (insert_out_of_ssa_copy): Properly
	unshare reference.
	(insert_out_of_ssa_copy_on_edge): Likewise.
	(rewrite_close_phi_out_of_ssa): Likewise.
	* tree-ssa.c (insert_debug_temp_for_var_def): Properly unshare
	debug expressions.
	* tree-ssa-pre.c (insert_into_preds_of_block): Properly unshare
	propagated constants.
	* tree-cfg.c (tree_node_can_be_shared): Handled component-refs
	can not be shared.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-modes.def: Add GPL copyright notice.

2013-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sync.md (mem_thread_fence): Mask operands[0] with
	MEMMODEL_MASK to determine memory model.
	(atomic_store<mode>): Ditto from operands[2].
	* config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.

2013-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55935
	* gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
	(fold_gimple_assign): Don't call unshare_expr here.
	(fold_ctor_reference): Call unshare_expr.

2013-01-13  Terry Guo  <terry.guo@arm.com>

	* Makefile.in (s-mlib): New argument MULTILIB_REUSE.
	* doc/fragments.texi: Document MULTILIB_REUSE.
	* gcc.c (multilib_reuse): New internal spec.
	(set_multilib_dir): Also search multilib from multilib_reuse.
	* genmultilib (tmpmultilib3): Refactor code.
	(tmpmultilib4): Ditto.
	(multilib_reuse): New multilib argument.

2013-01-13  Richard Sandiford  <rdsandiford@googlemail.com>

	* Makefile.in: Update copyright.

2013-01-12  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/55890
	* calls.c (expand_call): Check if arg_nr is valid.

2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* doc/extend.texi (X86 Built-in Functions): Add whitespace in
	__builtin_ia32_paddb256 and __builtin_ia32_pavgb256
	documentation.  Add missing '__' in front of
	__builtin_ia32_packssdw256.

2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/55719
	* config/s390/s390.c (s390_preferred_reload_class): Do not return
	NO_REGS for larl operands.
	(s390_reload_larl_operand): Use s390_load_address instead of
	emit_move_insn.

2013-01-11  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (verify_node_sharing_1): Split out from ...
	(verify_node_sharing): ... here.
	(verify_gimple_in_cfg): Use verify_node_sharing_1 for walk_tree.

2013-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	* configure.ac (Tree checking): Set TREECHECKING to yes if enabled.
	Substitute TREECHECKING.
	* configure: Regenerate.
	* Makefile.in (TREECHECKING): New.

2013-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44061
	* tree-vrp.c (extract_range_basic): Compute zero as
	value-range for __builtin_constant_p of function parameters.

2013-01-10  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years.

2013-01-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55672
	* lra-eliminations.c (mark_not_eliminable): Permit addition with
	const to be eliminable.

2013-01-10  David Edelsohn  <dje.gcc@gmail.com>

	* configure.ac (HAVE_AS_TLS): Add check for powerpc-ibm-aix.
	* configure: Regenerate.

2013-01-10  Richard Biener  <rguenther@suse.de>

	* builtins.c (expand_builtin_init_trampoline): Use set_mem_attributes.

2013-01-10  Richard Biener  <rguenther@suse.de>

	PR bootstrap/55792
	* tree-into-ssa.c (rewrite_add_phi_arguments): Do not set
	locations for virtual PHI arguments.
	(rewrite_update_phi_arguments): Likewise.

2013-01-10  Joel Sherrill  <joel.sherrill@OARcorp.com>

	* config/v850/rtems.h (ASM_SPEC): Pass -m8byte-align and -mgcc-abi
	on to assembler.

2013-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55921
	* tree-complex.c (expand_complex_asm): New function.
	(expand_complex_operations_1): Call it for GIMPLE_ASM.

2013-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/55718
	* config/s390/s390.c (s390_symref_operand_p)
	(s390_loadrelative_operand_p): Merge the two functions.
	(s390_check_qrst_address, print_operand_address): Add parameters
	to s390_loadrelative_operand_p invokation.
	(s390_check_symref_alignment): Use s390_loadrelative_operand_p.
	(s390_reload_larl_operand, s390_secondary_reload): Use
	s390_loadrelative_operand_p instead of s390_symref_operand_p.
	(legitimize_pic_address): Handle @GOTENT and @PLT + addend.

2013-01-09  Mike Stump  <mikestump@comcast.net>

	* dse.c (record_store): Remove unnecessary assert.

2013-01-09  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55569
	* cfgloopmanip.c (scale_loop_profile): Make ITERATION_BOUND gcov_type.
	* cfgloop.h (scale_loop_profile): Likewise.

2013-01-09  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* ipa-inline.c (ipa_inline): Remove extern inlines and virtual
	functions.
	* cgraphclones.c (cgraph_clone_node): Cpoy also LTO file data.

2013-01-09  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/55114
	* expr.h (maybe_emit_group_store): Declare.
	* expr.c (maybe_emit_group_store): New function.
	* builtins.c (expand_builtin_int_roundingfn): Call it.
	(expand_builtin_int_roundingfn_2): Likewise.

2013-01-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55829
	* lra-constraints.c (match_reload): Add code for absent output.
	(curr_insn_transform): Add code for reloads of matched inputs
	without output.

2013-01-09  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_interleave_highv2df): Change mode
	attribute of movddup insn to DF.
	(*vec_interleave_lowv2df): Ditto.
	(vec_dupv2df): Ditto.

2013-01-09  Jan Hubicka  <jh@suse.cz>

	PR tree-optimiation/55875
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Add
	EVERY_ITERATION parameter.
	(number_of_iterations_exit): Check if exit is executed every iteration.
	(idx_infer_loop_bounds): Similarly here.
	(n_of_executions_at_most): Simplify
	to only test for cases where statement is dominated by the
	particular bound; handle correctly the "postdominance" test.
	(scev_probably_wraps_p): Use max loop iterations info
	as a global bound first.

2013-01-09  Nguyen Duy Dat  <dat.nguyen.yn@rvc.renesas.com>
	    Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.md (cbranchsf4): New pattern.
	(cstoresf4): New pattern.
	(cbranchdf4): New pattern.
	(cstoredf4): New pattern.
	(movsicc): Disallow floating point comparisons.
	(cmpsf_le_insn): Fix order of operators.
	(cmpsf_lt_insn): Likewise.
	(cmpsf_eq_insn): Likewise.
	(cmpdf_le_insn): Likewise.
	(cmpdf_lt_insn): Likewise.
	(cmpdf_eq_insn): Likewise.
	(cmpsf_ge_insn): Use LE comparison.
	(cmpdf_ge_insn): Likewise.
	(cmpsf_gt_insn): Use LT comparison.
	(cmpdf_gt_insn): Likewise.
	(cmpsf_ne_insn): Delete pattern.
	(cmpdf_ne_insn): Delete pattern.
	* config/v850/v850.c (v850_gen_float_compare): Use
	gen_cmpdf_eq_insn for NE comparison.
	(v850_float_z_comparison_operator)
	(v850_float_nz_comparison_operator): Move from here ...
	* config/v850/predicates.md: ... to here.  Move GT and GE
	comparisons into v850_float_z_comparison_operator.
	* config/v850/v850-protos.h (v850_float_z_comparison_operator):
	Delete prototype.
	(v850_float_nz_comparison_operator): Likewise.

2013-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.c (pa_emit_move_sequence): Replace calls to gen_insv
	with calls to gen_insvsi/gen_insvdi.

2013-01-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	* config/i386/i386.c (initial_ix86_tune_features): Set up
	X86_TUNE_AVX128_OPTIMAL for m_BTVER2.

2013-01-09  Steven Bosscher  <steven@gcc.gnu.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48189
	* predict.c (predict_loops): If max is 0, don't call compare_tree_int.
	If nitercst is 0, don't predict the exit edge.

2013-01-08  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

	* config/aarch64/aarch64.c (aarch64_print_operand): Replace %r
	in asm_fprintf with reg_names.
	(aarch64_print_operand_address): Likewise.
	(aarch64_return_addr): Likewise.
	* config/aarch64/aarch64.h (ASM_FPRINTF_EXTENSIONS): Remove.

2013-01-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.h (VAL_U6_BITS_P): Define.
	(INT_U6_BITS): Likewise.
	* config/pa/predicates.md (uint6_operand): New predicate.
	(shift5_operand, shift6_operand): Likewise.
	* config/pa/pa.md (lshrsi3, rotrsi3): Use shift5_operand instead of
	arith32_operand.
	(lshrdi3): Use shift6_operand.
	(shrpsi4, shrpdi4): New insn patterns.
	(extzv): Delete expander.
	(extzvsi, extzvdi): New expanders.  Use uint5_operand and uint6_operand
	predicates in unamed zero extract patterns.  Tighten common constraint.
	(extv): Delete expander.
	(extvsi, extvdi): New expanders.  Use uint5_operand and uint6_operand
	predicates in unamed sign extract patterns.  Tighten common constraint.
	(insv): Delete expander.
	(insvsi, insvdi): New expanders.  Use uint5_operand and uint6_operand
	predicates in unamed insert patterns.  Tighten common constraint.
	Change uint32_operand predicate to uint6_operand predicate in unamed
	DImode pattern to insert constant values of type 1...1xxxx.

2013-01-04  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/55823
	* ipa-prop.c (update_indirect_edges_after_inlining): Fix ordering
	issue.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/55845
	* df-problems.c (can_move_insns_across): Stop scanning at
	volatile_insn_p source instruction or give up if
	across_from .. across_to range contains any volatile_insn_p
	instructions.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-simd.md (vec_init<mode>): New.
	* config/aarch64/aarch64-protos.h (aarch64_expand_vector_init):
	Declare.
	* config/aarch64/aarch64.c (aarch64_simd_dup_constant,
	aarch64_simd_make_constant, aarch64_expand_vector_init): New.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55341
	* asan.c (asan_clear_shadow): New function.
	(asan_emit_stack_protection): Use it.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_simd_vec_<su>mult_lo_<mode>,
	aarch64_simd_vec_<su>mult_hi_<mode>): Separate instruction and operand
	with tab instead of space.

2013-01-08  Nick Clifton  <nickc@redhat.com>

	* config/rl78/rl78.c (rl78_expand_prologue): Always select
	register bank 0 at the start of an interrupt handler.
	* config/rl78/rl78.md (mulsi3_g13): Correct values for MDBL and
	MDBH registers.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-simd.md
	(aarch64_simd_bsl<mode>_internal): Add floating-point modes.
	(aarch64_simd_bsl): Likewise.
	(aarch64_vcond_internal<mode>): Likewise.
	(vcond<mode><mode>): Likewise.
	(aarch64_cm<cmp><mode>): Fix constraints, add new modes.
	* config/aarch64/iterators.md (V_cmp_result): Add V2DF.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Handle sqrt, sqrtf.

2013-01-08  Martin Jambor  <mjambor@suse.cz>

	PR debug/55579
	* tree-sra.c (analyze_access_subtree): Return true also after
	potentially creating a debug-only replacement.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/55890
	* tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_p.

	PR tree-optimization/54120
	* tree-vrp.c (range_fits_type_p): Don't allow
	src_precision < precision from signed vr to unsigned_p
	if vr->min or vr->max is negative.
	(simplify_float_conversion_using_ranges): Test can_float_p
	against CODE_FOR_nothing.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR middle-end/55851
	* fold-const.c (int_binop_types_match_p): Allow all INTEGRAL_TYPE_P
	types instead of just INTEGER_TYPE types.

2013-01-07  Mark Kettenis  <kettenis@openbsd.org>

	* config/i386/openbsdelf.h (LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT,
	TF_SIZE): Define.

2013-01-07  Steve Ellcey  <sellcey@mips.com>

	PR target/42661
	* config/mips/mips.opt: Change mad to mmad to match documentation.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/55897
	* doc/extend.texi (AVR Named Address Spaces): __memx goes into
	.progmemx.data now.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/55897
	* config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
	(avr_addrspace_t): Add .section_name field.
	* config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
	array size.
	(avr_addrspace): Same.  Initialize .section_name.  Remove last
	NULL entry.  Put __memx into .progmemx.data.
	(progmem_section_prefix): Remove.
	(avr_asm_init_sections): No need to initialize progmem_section.
	(avr_asm_named_section): Use avr_addrspace[].section_name to get
	section name prefix.
	(avr_asm_select_section): Ditto.  And use get_unnamed_section to
	retrieve the progmem section.
	* avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
	boundary to run over avr_addrspace[].
	(avr_register_target_pragmas): Ditto.

2013-01-06  Jakub Jelinek  <jakub@redhat.com>

	* varasm.c (output_constant_def_contents): For asan_protect_global
	protected strings, adjust DECL_ALIGN if needed, before testing for
	anchored symbols.
	(place_block_symbol): Adjust size for asan protected STRING_CSTs if
	TREE_CONSTANT_POOL_ADDRESS_P.  Increase alignment for asan protected
	normal decls.
	(output_object_block): For asan protected decls, emit asan padding
	after their contents.
	* asan.c (asan_protect_global): Don't check TREE_ASM_WRITTEN here.
	(asan_finish_file): Test it here instead.

2013-01-07  Nick Clifton  <nickc@redhat.com>
	    Matthias Klose  <doko@debian.org>
	    Doug Kwan  <dougkwan@google.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/55470
	* collect2.c (main): Support -fuse-ld=bfd and -fuse-ld=gold.

	* common.opt: Add fuse-ld=bfd and fuse-ld=gold.

	* gcc.c (LINK_COMMAND_SPEC): Pass -fuse-ld=* to collect2.

	* opts.c (comman_handle_option): Ignore -fuse-ld=bfd and -fuse-ld=gold.

	* doc/invoke.texi: Document -fuse-ld=bfd and -fuse-ld=gold.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54461
	* doc/install.texi (Cross-Compiler-Specific Options): Document
	--with-avrlibc.

2013-01-07  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/arm_neon.h (vmovn_high_is16, vmovn_high_s32,
	vmovn_high_s64, vmovn_high_u16, vmovn_high_u32, vmovn_high_u64,
	vqmovn_high_s16, vqmovn_high_s32, vqmovn_high_s64, vqmovn_high_u16,
	vqmovn_high_u32, vqmovn_high_u64, vqmovun_high_s16, vqmovun_high_s32,
	vqmovun_high_s64): Fix source operand number and update copyright.

2013-01-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/55890
	* gimple.h (gimple_call_builtin_p): New overload.
	* gimple.c (validate_call): New function.
	(gimple_call_builtin_p): Likewise.
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Use gimple_call_builtin_p.
	(find_func_clobbers): Likewise.
	* tree-ssa-strlen.c (adjust_last_stmt): Likewise.
	(strlen_optimize_stmt): Likewise.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h (vld1_dup_*): Make argument const.
	(vld1q_dup_*): Likewise.
	(vld1_*): Likewise.
	(vld1q_*): Likewise.
	(vld1_lane_*): Likewise.
	(vld1q_lane_*): Likewise.

2013-01-07  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (LTO_minor_version): Bump to 2.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64-protos.h
	(aarch64_const_double_zero_rtx_p): Rename to...
	(aarch64_float_const_zero_rtx_p): ...this.
	(aarch64_float_const_representable_p): New.
	(aarch64_output_simd_mov_immediate): Likewise.
	* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): Refactor
	move immediate case.
	* config/aarch64/aarch64.c
	(aarch64_const_double_zero_rtx_p): Rename to...
	(aarch64_float_const_zero_rtx_p): ...this.
	(aarch64_print_operand): Allow printing of new constants.
	(aarch64_valid_floating_const): New.
	(aarch64_legitimate_constant_p): Check for valid floating-point
	constants.
	(aarch64_simd_valid_immediate): Likewise.
	(aarch64_vect_float_const_representable_p): New.
	(aarch64_float_const_representable_p): Likewise.
	(aarch64_simd_imm_zero_p): Also allow for floating-point 0.0.
	(aarch64_output_simd_mov_immediate): New.
	* config/aarch64/aarch64.md (*movsf_aarch64): Add new alternative.
	(*movdf_aarch64): Likewise.
	* config/aarch64/constraints.md (Ufc): New.
	(Y): call aarch64_float_const_zero_rtx.
	* config/aarch64/predicates.md (aarch64_fp_compare_operand): New.

2013-01-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55888
	PR tree-optimization/55862
	* tree-ssa-pre.c (phi_translate_1): Revert previous change.
	(valid_in_sets): Check if a NAME has a leader in AVAIL_OUT,
	not if it is contained therein.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/t-avr: Typo.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

	PR55243
	* config/avr/t-avr: Don't automatically rebuild
	$(srcdir)/config/avr/t-multilib
	$(srcdir)/config/avr/avr-tables.opt
	$(srcdir)/doc/avr-mmcu.texi
	(avr-mcus): New phony target to build them on request.
	(s-avr-mlib, s-avr-mmcu-texi): Remove.
	* avr/avr-mcus.def: Adjust comments.

2013-01-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	* file-find.c, file-find.h, realmpfr.c: Add FSF as copyright holder.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/tilepro/gen-mul-tables.cc: Put copyright on one line.

2013-01-05  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/aix53.h (LIB_SPEC): Add -lpthreads when compiling
	to generate profiling.
	* config/rs6000/aix64.h (LIB_SPEC): Same.

2013-01-04  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64.c (aarch64_fixed_condition_code_regs):
	New function.
	(TARGET_FIXED_CONDITION_CODE_REGS): Define.

2013-01-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_legitimize_address): Call convert_to_mode
	unconditionally.
	(ix86_expand_move): Ditto.
	(ix86_zero_extend_to_Pmode): Ditto.
	(ix86_expand_call): Ditto.
	(ix86_expand_special_args_builtin): Ditto.
	(ix86_expand_builtin): Ditto.

2013-01-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55862
	* tree-ssa-pre.c (phi_translate_1): Valueize SSA names after
	translating them through PHI nodes.

2013-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55755
	* tree-sra.c (sra_modify_assign): Do not check that an access has no
	children when trying to avoid producing a VIEW_CONVERT_EXPR.

2013-01-04  Marek Polacek  <polacek@redhat.com>

	PR middle-end/55859
	* opts.c (default_options_optimization): Clarify error message.

2013-01-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/55863
	* fold-const.c (split_tree): Undo -X - 1 to ~X folding for
	reassociation.

2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/53789
	* config/pa/pa.md (movsi): Revert previous change.
	* config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
	references.

2013-01-03  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (ix86_expand_move): Always assign to op1
	after eliminating TLS symbols.

2013-01-03  Marc Glisse  <marc.glisse@inria.fr>

	PR bootstrap/50167
	* graphite-interchange.c (pdr_stride_in_loop): Use gmp_fprintf.
	* graphite-poly.c (debug_gmp_value): Likewise.

2013-01-03  Uros Bizjak  <ubizjak@gmail.com>

	PR target/55712
	* config/i386/i386-c.c (ix86_target_macros_internal): Depending on
	selected code model, define __code_mode_small__, __code_model_medium__,
	__code_model_large__, __code_model_32__ or __code_model_kernel__.
	* config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
	xchg temporary register with %k.  Declare temporary register as
	early clobbered.
	[__x86_64__]: For medium and large code models, preserve %rbx register.

2013-01-03  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.c (dump_conflict_function): Use less vertical spacing.
	(dump_subscript): Adjust.
	(finalize_ddr_dependent): Do not dump redundant info.
	(analyze_siv_subscript): Adjust.
	(subscript_dependence_tester): Likewise.
	(compute_affine_dependence): Likewise.

2013-01-03  Richard Biener  <rguenther@suse.de>

	Revert
	2013-01-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55857
	* tree-vect-stmts.c (vectorizable_load): Do not setup
	re-alignment for invariant loads.

	2013-01-02  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (vectorizable_load): When vectorizing an
	invariant load do not generate a vector load from the scalar location.

2013-01-03  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_loop_form): Clarify reason
	for not vectorizing.
	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
	not build INDIRECT_REFs, call get_name once only.
	(vect_create_data_ref_ptr): Likewise.  Dump base object kind
	based on DR_BASE_OBJECT, not DR_BASE_ADDRESS.

2013-01-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55857
	* tree-vect-stmts.c (vectorizable_load): Do not setup
	re-alignment for invariant loads.

2013-01-03  Richard Biener  <rguenther@suse.de>

	PR lto/55848
	* lto-symtab.c (lto_symtab_merge_decls_1): As last resort, always
	prefer a built-in decl.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.

	PR rtl-optimization/55838
	* loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
	iv0.step, iv1.step and step.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/55832
	* fold-const.c (fold_binary_loc): For ABS_EXPR<x> >= 0 and
	ABS_EXPR<x> < 0 folding use constant_boolean_node instead of
	integer_{one,zero}_node.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/54402
	* params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.
	* var-tracking.c (reverse_op): Don't add reverse ops to
	VALUEs that have already
	PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer locs list.

2013-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi: Note years as release manager for Mark Mitchell.

2013-01-02  Teresa Johnson  <tejohnson@google.com>

	* dumpfile.c (dump_loc): Print filename with location.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
	new location_t parameter to emit complete unroll message with
	new dump framework.
	(canonicalize_loop_induction_variables): Compute loops location
	and pass to try_unroll_loop_completely.
	* loop-unroll.c (report_unroll_peel): New function.
	(peel_loops_completely): Use new dump format with location
	for main dumpfile message, and invoke report_unroll_peel on success.
	(decide_unrolling_and_peeling): Ditto.
	(decide_peel_once_rolling): Remove old dumpfile message subsumed
	by report_unroll_peel.
	(decide_peel_completely): Ditto.
	(decide_unroll_constant_iterations): Ditto.
	(decide_unroll_runtime_iterations): Ditto.
	(decide_peel_simple): Ditto.
	(decide_unroll_stupid): Ditto.
	* cfgloop.c (get_loop_location): New function.
	* cfgloop.h (get_loop_location): Declare.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

	* config/i386/i386.c (fold_builtin_cpu): Remove unnecessary checks for
	NULL.

2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/55198
	* expr.c (expand_expr_real_1): Don't use bitfield extraction for non
	BLKmode objects when EXPAND_MEMORY is specified.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

	* config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug
	in loop predicate.
	(fold_builtin_cpu): Do not share cpu model decls across statements.

2013-01-02  Jason Merrill  <jason@redhat.com>

	PR c++/55804
	* tree.c (build_array_type_1): Revert earlier change.

2013-01-02  Yufeng Zhang  <yufeng.zhang@arm.com>

	* config/aarch64/aarch64-cores.def: Add entries for "cortex-a53" and
	"cortex-a57".
	* config/aarch64/aarch64-tune.md: Re-generate.

2013-01-02  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (vectorizable_load): When vectorizing an
	invariant load do not generate a vector load from the scalar location.

2013-01-02  Richard Biener  <rguenther@suse.de>

	PR bootstrap/55784
	* configure.ac: Add $GMPINC to CFLAGS/CXXFLAGS.
	* configure: Regenerate.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2)
	(expand_builtin_mathfn_ternary, expand_builtin_mathfn_3)
	(expand_builtin_int_roundingfn_2): Keep the original target around
	for the fallback case.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree-vrp.c (range_fits_type_p): Require the MSB of the double_int
	to be clear for sign changes.

2013-01-01  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-analysis.c: Fix formatting.

2013-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/55831
	* tree-vect-loop.c (get_initial_def_for_induction): Use
	gsi_after_labels instead of gsi_start_bb.
\f
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