path: root/gcc/ChangeLog

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).

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