path: root/gcc/ChangeLog

2016-01-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66856
	* tree-vect-slp.c (vect_build_slp_tree): Refactor to build
	SLP node only if it built successfully.
	(vect_analyze_slp_instance): Adjust.

2016-01-14  Jeff Law  <law@redhat.com>

	PR tree-optimization/69270
	* tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
	(record_edge_info): Use it.  Convert boolean_{true,false}_node
	to the type of op0.

2016-01-13  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/66487
	* ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
	use block_ultimate_origin
	(noncall-stmt_may_be_vtbl_ptr_store): Likewise.
	
2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

	* doc/invoke.texi (Submodel Options): Rename section to
	"Machine-Dependent Options" to better reflect its content.
	Rewrite introductory text to remove archaic CPU names.
	Update references.

2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

	* doc/invoke.texi (Code Gen Options): Move section up in file,
	before target-specific options.  Update menu and option summary
	to reflect the new section ordering.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

	* doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
	(C++ Dialect Options): Add cross-reference to -std option.
	* doc/standards.texi (C++ Language): Document C++14 support.

2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
	for pack/unpack functions for __ibm128.
	(PACK_IF): Likewise.
	(UNPACK_IF): Likewise.

	* config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
	support for __ibm128 pack/unpack functions.
	(rs6000_invalid_builtin): Likewise.
	(rs6000_init_builtins): Likewise.
	(rs6000_opt_masks): Likewise.

	* config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
	(RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
	functions
	(RS6000_BTM_COMMON): Likewise.

	* config/rs6000/rs6000.md (f128_vsx): New mode attribute.
	(unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
	disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
	128-bit floating point.  Add support for the double values to be
	in Altivec registers for TF/IF packing and unpacking, but restrict
	TD packing sub-fields to be FPR registers.  Don't allow overlapped
	register support for packing.  Allow pack inputs to be memory
	locations.  Don't build generator functions for unpack<mode>_dm
	and unpack<mode>_nodm.
	(unpack<mode>_dm): Likewise.
	(unpack<mode>_nodm): Likewise.
	(pack<mode>): Likewise.

	* config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
	built-in functions to pack/unpack explicit __ibm128 values.
	(__builtin_unpack_ibm128): Likewise.

	* doc/extend.texi (PowerPC Built-in Functions): Document
	__builtin_pack_ibm128 and __builtin_unpack_ibm128.

2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>

	PR c/66208
	* c-common.c (check_function_nonnull): Remove unnecessary declaration.
	Add new arg loc and pass it down as context.
	(check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
	to the location to use for the warning.
	(check_function_arguments): New arg loc.  All callers changed.  Pass
	it to check_function_nonnull.
	* c-common.h (check_function_arguments): Adjust declaration.

2016-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69156
	* gimple.c (validate_type): Removed.
	(gimple_builtin_call_types_compatible_p): Use
	useless_type_conversion_p instead of validate_type.
	* value-prof.c (gimple_stringop_fixed_value): Fold
	icall_size to correct type.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

	* doc/extend.texi (__atomic Builtins): Clarify compare_exchange
	effects.

2016-01-13  Richard Henderson  <rth@redhat.com>

	PR tree-opt/68964
	* target.def (builtin_tm_load, builtin_tm_store): Remove.
	* config/i386/i386.c (ix86_builtin_tm_load): Remove.
	(ix86_builtin_tm_store): Remove.
	(TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
	(TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
	* doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
	(TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
	* doc/tm.texi: Rebuild.

	* gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
	(BUILT_IN_TM_MEMCPY_RTWN): New.
	* trans-mem.c (tm_log_emit_stmt): Rearrange code for better
	fallback from vector to integer helpers.
	(build_tm_load): Handle vector types directly, instead of
	via target hook.
	(build_tm_store): Likewise.
	(expand_assign_tm): Prepare for register types not handled by
	the above.  Copy them to memory and use memcpy.
	* tree.c (tm_define_builtin): New.
	(find_tm_vector_type): New.
	(build_tm_vector_builtins): New.
	(build_common_builtin_nodes): Call it.

2016-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
	TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.

2016-01-13  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69169
	* tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
	handled_struct_type param.
	(create_variable_info_for, intra_create_variable_infos): Call
	create_variable_info_for_1 with extra arg.

2016-01-13  Yvan Roux  <yvan.roux@linaro.org>

	* config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
	and "armv8.1-a+crc" entries.

2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>

	PR target/69228
	* config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
	Change first operand predicate from register_or_constm1_operand
	to register_operand.
	(define_expand "avx512pf_gatherpf<mode>df"): Likewise.
	(define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
	(define_expand "avx512pf_scatterpf<mode>df"): Likewise.
	(define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
	(define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
	(define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
	(define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
	* config/i386/i386.c (ix86_expand_builtin): Remove first operand
	comparison with constm1_rtx from vec_prefetch_gen part.

2016-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69013
	* tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
	Exchange assert for a test.

2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/69247
	* config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.

2016-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69242
	* tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
	assert with a check.

2016-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69186
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
	Properly guard vect_update_misalignment_for_peel call.

2016-01-12  Jeff Law  <law@redhat.com>

	PR tree-optimization/pr67755
	* tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
	"need_profile_correction".
	(thread_block_1): Initialize new field to false by default.  If we
	have multiple thread paths through a common joiner to different
	final targets, then set new field to true.
	(compute_path_counts): Only do count adjustment when it's really
	needed.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Spec Files): Move section down in file, past
	all command-line option descriptions.

2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	PR middle-end/54809
	* doc/gty.texi: Remove documentation of mark_hook.
	* gengtype.c (struct write_types_data): Remove code to support
	mark_hook attribute.
	(walk_type): Likewise.
	(write_func_for_structure): Likewise.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
	Directory Options, and -specs= to Overall Options.
	(Overall Options): Adjust similarly.  Reorder to group related
	options together.  Make -specs= cross-reference the spec file details.
	(Directory Options): Adjust similarly.

2016-01-12  Jeff Law  <law@redhat.com>

	* tree-ssa-threadupdate.c: Various whitespace and typo fixes.

2016-01-12  Olivier Hainque  <hainque@adacore.com>

	* gcc.c (spec_undefvar_allowed): New global.
	(process_command): Set to true when running for --version or --help,
	alone or together.
	(getenv_spec_function): When the variable is not defined, use the
	variable name as the variable value if we're allowed not to issue
	a fatal error.

2016-01-12  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/68911
	* tree-vrp.c (adjust_range_with_scev): Check overflow in range
	information computed for expression "init + nit * step".

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
	about name of GCC executable.  Remove deleted node from menu.
	(Directory Options) <-B>: Remove cross-reference to deleted node.
	(Target Options): Delete section.

2016-01-12  Christian Bruel  <christian.bruel@st.com>

	PR target/69180
	* config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
	for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.

2016-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/69198
	* config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
	aligned_mem is properly set for AVX512-VL floating point masked
	stores.

	PR target/69175
	* ifcvt.c (cond_exec_process_if_block): When removing the last
	insn from then_bb, remove also any possible barriers that follow it.

2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/68456
	PR target/69226
	* config/i386/iamcu.h (SIZE_TYPE): New macro.
	(PTRDIFF_TYPE): Likewise.
	(WCHAR_TYPE): Likewise.
	(WCHAR_TYPE_SIZE): Likewise.
	(STDINT_LONG32): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69053
	* tree-vect-loop.c (get_initial_def_for_reduction): Properly
	convert initial value for cond reductions.

2016-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69007
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
	widen_sum after dot_prod and sad.

2016-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69168
	* tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
	pattern stmt SLP type.
	* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
	end up unused so cope with that case.

2016-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69157
	* tree-vect-stmts.c (vectorizable_mask_load_store): Check
	stmts def type only during analyze phase.
	(vectorizable_call): Likewise.
	(vectorizable_simd_clone_call): Likewise.
	(vectorizable_conversion): Likewise.
	(vectorizable_assignment): Likewise.
	(vectorizable_shift): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_store): Likewise.
	(vectorizable_load): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69174
	* tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
	space.
	(vectorizable_load): Properly compute the number of loads needed
	for permuted strided SLP loads and do not spuriously assign
	to SLP_TREE_VEC_STMTS.

2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>

	* config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
	(TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
	(MD_EXEC_PREFIX): Remove.
	(MD_STARTFILE_PREFIX) Removee.
	(FILE_NAME_ABSOLUTE_P): Remove.
	(CPP_SPEC): Do not read macros from sys/version.h.
	(LINK_COMMAND_SPEC): Remove.
	(LOCAL_INCLUDE_DIR): Remove.
	(TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
	(TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
	(POST_LINK_SPEC): Define to invoke stubify after linker
	(LIBSTDCXX): Remove define
	(DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
	(DEFAULT_PCC_STRUCT_RETURN): Define to 1.
	(SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
	(SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
	(SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
	(IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
	(i386_djgpp_asm_named_section): Add propotype of new procedure

	* config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
	(MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
	(STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
	(STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
	(LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
	(GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
	(MAX_OFILE_ALIGNMENT): Define to 128.
	(HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.

	* config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.

	* config/i386/djgpp.opt: Remove obsolete option -mbnu210.

	* config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
	Add rule for building djgpp.o.

2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (v2df_reduction_p): New function.
	(rtx_is_swappable_p): Reductions are swappable.
	(insn_is_swappable_p): V2DF reductions are swappable.

2016-01-11  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.c (pa_emit_move_sequence): Handle floating point
	reloads for other unsupported memory operands.

2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
	    Jim Wilson  <jim.wilson@linaro.org>

	PR target/69194
	* config/arm/arm-builtins.c (arm_expand_neon_args): Call
	copy_to_mode_reg instead of force_reg.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/69225
	* config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
	TARGET_80387 is true.

2016-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/69071
	* lra-eliminations.c (move_plus_up): Only move plus up
	if subreg of the constant can be simplified into constant
	and use the simplified subreg of the constant instead of
	the original constant.

	* fold-const.c (fold_convertible_p): Don't return true
	for conversion of VECTOR_TYPE to same sized integral type.
	(fold_convert_loc): Fix up formatting.  Fold conversion of
	VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
	instead of NOP_EXPR.

	PR tree-optimization/69214
	* tree-vrp.c (simplify_cond_using_ranges): Don't propagate
	innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
	Formatting fix.

	PR tree-optimization/69207
	* tree-vect-slp.c (vect_get_constant_vectors): For
	VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
	fold_convertible_p to vector_type's element type, and always
	use VCE for non-VECTOR_BOOLEAN_TYPE_P.

2016-01-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69173
	* tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
	fixup the cycle if all stmts are in a pattern.

2016-01-11  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/68999
	* alias.c (base_alias_check): Move check for addresses with
	alignment ANDs before the call for compare_base_decls.
	(memrefs_conflict_p): Return -1 for different decls
	that went through alignment adjustments.

2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR rtl-optimization/68796
	* config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
	and QImode comparisons against zero with CC_NZmode.
	* config/aarch64/iterators.md (short_mask): New mode_attr.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
	(<avx512>_store<mode>_mask): Likewise.

2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR rtl-optimization/68841
	* ifcvt.c (struct noce_if_info): Add orig_x field.
	(bbs_ok_for_cmove_arith): Add to_rename parameter.
	Don't record conflicts on to_rename if it's present.
	Allow memory destinations in sets.
	(noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
	blocks, passing orig_x to the checks.
	(noce_process_if_block): Set if_info->orig_x appropriately.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69069
	* tree-parloops.c (create_parallel_loop): Add missing phi args.

2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>

	PR rtl-optimization/68920
	* config/i386/i386.c (ix86_option_override_internal): Restrict number
	of conditional moves for  RTL if-conversion to 1 for
	TARGET_ONE_IF_CONV_INSN.
	* config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
	* config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
	* params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
	parameter to restirct number of conditional moves for
	RTL if-conversion.
	* doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
	* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
	conditionl moves.

2016-01-11  Alexandre Oliva  <aoliva@redhat.com>

	PR bootstrap/69123
	* var-tracking.c (drop_overlapping_mem_locs): Operate on all
	onepart vars.  Fix typo in comment.  Fix reversed condition in
	unshare test.
	(dataflow_set_remove_mem_locs): Operate on all onepart vars.

	PR bootstrap/69123
	* var-tracking.c (dump_onepart_variable_differences): New.
	(dataflow_set_different): If a detailed dump is requested,
	delay early returns and dump differences between onepart
	variables present before and after, and added variables.

2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>

	PR target/69010
	* expr.c (expand_expr_real_1): For boolean vector constants
	with a scalar mode use const_scalar_mask_from_tree.
	(const_scalar_mask_from_tree): New.
	* optabs.c (expand_vec_cond_mask_expr): Use mask mode
	assigned to a mask type to handle constants.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

	PR ipa/69044
	* ipa-cp.c (estimate_local_effects): Do not clone for removal of
	useless parameters if we cannot change function signature.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

	PR ipa/66616
	* cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
	flag.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69109
	* tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
	latch with phi.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69108
	* tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
	res is not used in a phi.

2016-01-11  Yury Gribov  <y.gribov@samsung.com>

	PR 67425
	* common.opt (frandom-seed): Fix parameter name.
	* doc/invoke.texi (frandom-seed): Ditto and describe parameter.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69058
	* tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
	not supported.

2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>

	* config/arc/arc.opt (mdiv-rem): Add period to the end.
	(mcode-density): Likewise.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69062
	* tree-parloops.c (loop_has_phi_with_address_arg): New function.
	(parallelize_loops): Don't paralelize loop that has phi with address
	arg.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69039
	* tree-parloops.c (try_create_reduction_list): Only allow single exit
	phi for reduction.

2016-01-09  John David Anglin  <danglin@gcc.gnu.org>

	PR middle-end/68743
	* match.pd: Require target has function_c99_misc before doing
	truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
	
2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>

	* configure.ac (isl_options_set_schedule_serialize_sccs): Also 
	use GMPINC.
	* configure: Regenerate.

2016-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/50865
	PR tree-optimization/69097
	* fold-const.h (expr_not_equal_to): New prototype.
	* fold-const.c: Include stringpool.h and tree-ssanames.h.
	(expr_not_equal_to): New function.
	* match.pd (X % -Y is the same as X % Y): Don't optimize
	unless X is known not to be equal to minimum or Y is known
	not to be equal to -1.
	* tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
	fold TRUNC_MOD_EXPR if the second argument is not a power of two.
	(simplify_stmt_using_ranges): Adjust caller.
	(vrp_finalize): Call set_value_range on SSA_NAMEs before calling
	substitute_and_fold.

2016-01-09  Jan Hubicka  <hubicka@ucw.cz>

	* ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
	w/o DECL_NAME.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69167
	* gimple-fold.c (replace_stmt_with_simplification): Also punt if
	new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
	ops[0] comparison.
	* gimple-match-head.c (maybe_push_res_to_seq): Likewise.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
	    Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68707
	* tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
	instances that can be handled via vect_load_lanes.

2016-01-08  Uros Bizjak  <ubizjak@gmail.com>

	* symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
	if we can't determine address equivalence.
	* alias.c (compare_base_decl): Update for changed return value of
	symtab_node::equal_address_to.

2016-01-08  Jason Merrill  <jason@redhat.com>

	PR c++/68983
	PR c++/67557
	* function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
	* expr.c (store_field): Not here.
	* tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
	call with TREE_ADDRESSABLE type.
	* tree-cfg.c (verify_gimple_call): Adjust.

2016-01-08  Olivier Hainque  <hainque@adacore.com>

	* config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
	libc_internal.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>

	* gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
	(reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
	(reduc_smin_v2sf): Rename to...
	(reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
	(reduc_splus_v2sf): Rename to...
	(reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69162
	* gimplify.c (gimplify_va_arg_expr): Encode original type of
	valist argument in another argument.
	(gimplify_modify_expr): Adjust for the above change.  Cleanup.
	* tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
	to determine the va_list type, build a MEM_REF instead of
	build_fold_indirect_ref.

	PR tree-optimization/69172
	* gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
	gimple_build.

2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR tree-optimization/67781
	* tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
	and cmpnop in two steps: first the ones not accessed in original
	gimple expression in a endian independent way and then the ones not
	accessed in the final result in an endian-specific way.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69083
	* tree-vect-slp.c (vect_get_constant_vectors): For
	VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
	element type.  If op is fold_convertible_p to vector_type's element
	type, use NOP_EXPR instead of VCE.

2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/67778
	PR rtl-optimization/68634
	PR rtl-optimization/68909
	* shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
	block from the stack until done with it.  Remove a superfluous
	bitmap set.  Remove a superfluous bitmap test.

2016-01-07  Martin Sebor  <msebor@redhat.com>

	PR c/68966
	* doc/extend.texi (__atomic Builtins, __sync Builtins): Document
	constraint on the type of arguments.

2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>

	* config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
	SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
	unaligned_access on the gcc_options set.
	* config/arm/arm.c (arm_option_override_internal): Use
	SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/69140
	* config/i386/i386.c (ix86_frame_pointer_required): Enable
	frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

	Revert
	2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/69140
	* config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
	depending on frame_pointer_needed before remaining integer and SSE
	registers are saved.

2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	PR 1078
	* doc/extend.texi (Nvidia PDX Function Attributes): New section.

2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/69171
	* config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
	Use the "xBm" constraint.
	(float<sseintvecmodelower><mode>2<mask_name><round_name):
	Likewise.
	(sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
	(sse_cvtsi2ssq<round_name>): Likewise.
	(sse_cvtss2si<round_name>): Likewise.
	(sse_cvtss2siq<round_name>): Likewise.
	(sse2_cvtsi2sdq<round_name>): Likewise.
	(sse2_cvtsd2si<round_name>): Likewise.
	(sse2_cvtsd2siq<round_name>): Likewise.
	* config/i386/subst.md (round_nimm_scalar_predicate): New
	predicate.

2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>

	PR middle-end/67639
	* varasm.c (make_decl_rtl): Mark invalid register vars as
	DECL_EXTERNAL.

	PR rtl-optimization/66206
	* bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
	All callers changed.

2016-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69141
	* tree-ssa-pre.c: Include langhooks.h.
	(eliminate_dom_walker::before_dom_children): Use
	lang_hooks.decl_printable_name instead of
	cgraph_node::get ()->name ().

	PR middle-end/68960
	* gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
	it and DECL_ALIGN too.

2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>

	* config/mips/mips-ftypes.def: Sort to lexicographical order.

2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/69140
	* config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
	depending on frame_pointer_needed before remaining integer and SSE
	registers are saved.

2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
	mode iterator with VSX_M2.
	(*p9_vecstore_<mode>): Likewise.
	(*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
	(*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
	(*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
	(define_split for VSX_LE128 stores): Likewise.
	(define_peephole2 for TImode LE swaps): Likewise.
	(define_split for VSX_LE128 post-reload stores): Likewise.

2016-01-06  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/69099
	* convert.c (convert_to_integer_1): Adjust call to
	ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
	* ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
	EXPR instead of ARG.
	* ubsan.h (ubsan_instrument_float_cast): Adjust declaration.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

	PR 1078
	* doc/extend.texi (RL78 Variable Attributes): New section.

2016-01-05  Marek Polacek  <polacek@redhat.com>

	PR c/69104
	* builtins.c (get_memmodel): Use expansion point location rather than
	the input location.  Call warning_at rather than warning.
	(expand_builtin_atomic_compare_exchange): Likewise.
	(expand_builtin_atomic_load): Likewise.
	(expand_builtin_atomic_store): Likewise.
	(expand_builtin_atomic_clear): Likewise.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/68991
	* config/i386/i386.c (ix86_expand_vector_logical_operator):
	Replace nonimmediate_operand with vector_operand.
	* config/i386/predicates.md (vector_operand): New predicate.
	(general_vector_operand): Replace nonimmediate_operand with
	vector_operand.
	* config/i386/sse.md: Replace nonimmediate_operand with
	vector_operand and m constraint with Bm constraint on SSE
	patterns with 16-byte memory operand.
	* config/i386/subst.md (round_nimm_predicate): Replace
	nonimmediate_operand with vector_operand.
	(round_saeonly_nimm_predicate): Likewise.
	(round_saeonly_nimm_scalar_predicate): New.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/68991
	* config/i386/constraints.md (Bm): New constraint.
	* config/i386/predicates.md (vector_memory_operand): New
	predicate.
	* config/i386/sse.md: Replace xm with xBm in plusminus and
	any_logic patterns.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

	PR 1078
	* doc/extend.texi (V850 Function Attributes): New section.
	(V850 Variable Attributes): New section.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

	PR 1078
	* doc/extend.texi (MicroBlaze Function Attributes): Document
	interrupt_handler and fast_interrupt attributes.

2016-01-05  Sergei Trofimovich  <siarheit@google.com>

	PR other/60465
	* config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
	for local symbolic operands.
	* config/ia64/predicates.md (local_symbolic_operand64): New
	predicate.

2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR rtl-optimization/68651
	* combine.c (combine_simplify_rtx): Canonicalize x + x into
	x << 1.

2016-01-05  Nathan Sidwell  <nathan@acm.org>

	* alias.c (compare_base_decls): Use symtab_node::get.

2016-01-05  Nick Clifton  <nickc@redhat.com>

	PR target/68770
	* ira-costs.c (copy_cost): Initialise the t_icode field of the
	secondary_reload_info structure.

	PR target/66655
	* config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
	decls if weak support is available.

2016-01-04  Martin Sebor  <msebor@redhat.com>

	* doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.

2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
	OPTION_MASK_P9_DFORM.

	* config/rs6000/constraints.md (wo constraint): New constraint for
	ISA 3.0 (power9).

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
	for wo constraint.
	(rs6000_init_hard_regno_mode_ok): Likewise.

	* config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
	wo constraint.

	* config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
	expanders not to have constraints.  Add support for ISA 3.0 xxperm
	instruction.  Add support for fusing xxlor with xxperm.
	(altivec_vperm_<mode>_internal): Likewise.
	(altivec_vperm_v8hiv16qi): Likewise.
	(altivec_vperm_<mode>v16q): Likewise.
	(altivec_vperm_<mode>_uns): Likewise.
	(vperm_v8hiv4si): Likewise.
	(vperm_v16qiv8hi): Likewise.

	* doc/md.texi (RS/6000 constraints): Document wo constraint.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gcc.c (process_command): Update copyright notice dates.
	* gcov-dump.c (print_version): Ditto.
	* gcov.c (print_version): Ditto.
	* gcov-tool.c (print_version): Ditto.
	* gengtype.c (create_file): Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	* config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
	modes larger than TImode as TImode if NEON is not enabled.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/69100
	* config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
	mode for %f0-%f31 only if TARGET_FPU.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/69072
	* config/sparc/sparc.c (scan_record_type): Take into account subfields
	to compute the PACKED_P predicate.
	(function_arg_record_value): Minor tweaks.

2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* doc/install.texi (--with-multilib-list): Describe the meaning of the
	option for arm*-*-* targets.

2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi (Common Function Attributes): Move docs for
	MSP430-specific attributes to....
	(MSP430 Function Attributes): ...here.  Delete the redundant
	entries and copy-edit the remaining text.
	(MSP430 Variable Attributes): Use uniform format for index
	entries and add a cross-reference to the corresponding function
	attribute docs.

2016-01-03  Vladimír Čunát  <vcunat@gmail.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Fix
	-finite-math typo.
	(x86 Options): Likewise.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

	PR 1078

	* extend.texi (Common Function Attributes) <no_stack_limit>: New.
	* invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
	to corresponding attribute.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi (Common Function Attributes) <noplt>: Move
	to correct alphabetization of table.  Copy-edit and correct
	markup.
	<stack_protect>: Likewise.
	<target_clones>: Likewise.
	<simd>: Likewise.
	* doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
	Correct punctuation.
	(Code Gen Options) <-fno-plt>: Copy-edit.

2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR target/68917
	* config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
	SI values.  Explicitly convert SI to DI and vice-versa.

2016-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69070
	* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
	REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.

	PR sanitizer/69055
	* ubsan.c (ubsan_instrument_float_cast): Call
	initialize_sanitizer_builtins.

	PR target/69015
	* ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).

Copyright (C) 2016 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.