path: root/gcc/ChangeLog

2017-01-12  Martin Sebor  <msebor@redhat.com>

	to -Wformat-overflow.
	* gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
	(min_bytes_remaining): Same.
	(get_string_length): Same.
	(format_string): Same.
	(format_directive): Same.
	(add_bytes): Same.
	(pass_sprintf_length::handle_gimple_call): Same.

2017-01-12  Jakub Jelinek  <jakub@redhat.com>

	* gimple-ssa-sprintf.c (try_substitute_return_value): Remove
	info.nowrite calls with no lhs that can't throw.  Return bool
	whether gsi_remove has been called or not.
	(pass_sprintf_length::handle_gimple_call): Return bool whether
	try_substitute_return_value called gsi_remove.  Formatting fix.
	(pass_sprintf_length::execute): Don't use gsi_remove if
	handle_gimple_call returned true.

	PR bootstrap/79069
	* cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
	be removed due to side-effects, don't remove following barrier nor
	turn the successor edge into fallthru edge.

2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79044
	* config/rs6000/rs6000.c (insn_is_swappable_p): Mark
	element-reversing loads and stores as not swappable.

2017-01-12  Nathan Sidwell  <nathan@acm.org>
	    Nicolai Stange  <nicstange@gmail.com>

	* combine.c (try_combine): Don't ignore result of overlap checking
	loop.  Combine overlap & asm check into single loop.

2017-01-12  Richard Biener  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): Provide -gimple
	variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.

2017-01-12  Richard Biener  <rguenther@suse.de>

	* tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
	and TS_TARGET_OPTION directly derive from TS_BASE.
	* tree-core.h (tree_optimization_option): Derive from tree_base.
	(tree_target_option): Likewise.

2017-01-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (memory_address_length): Increase len
	only when rip_relative_addr_p returns false.

2017-01-11  Julia Koval  <julia.koval@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
	(OPTION_MASK_ISA_SGX_SET): New.
	(ix86_handle_option): Handle OPT_msgx.
	* config.gcc: Added sgxintrin.h.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
	* config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
	* config/i386/i386.c (ix86_target_string): Add -msgx.
	(PTA_SGX): New.
	(ix86_option_override_internal): Handle new options.
	(ix86_valid_target_attribute_inner_p): Add sgx.
	* config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
	* config/i386/i386.opt: Add msgx.
	* config/i386/sgxintrin.h: New file.
	* config/i386/x86intrin.h: Add sgxintrin.h.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR c++/71537
	* fold-const.c (maybe_nonzero_address): Return 1 for function
	local objects.
	(tree_single_nonzero_warnv_p): Don't handle function local objects
	here.

	PR c++/72813
	* gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
	of c-header.

2017-01-11  David Malcolm  <dmalcolm@redhat.com>

	PR driver/78877
	* opts.c: Include "spellcheck.h"
	(struct string_fragment): New struct.
	(struct edit_distance_traits<const string_fragment &>): New
	struct.
	(get_closest_sanitizer_option): New function.
	(parse_sanitizer_options): Offer suggestions for unrecognized arguments.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
	by 12.
	(DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
	DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
	(DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
	(calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
	for initial die_offset if dwarf_split_debug_info.
	(output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
	initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
	fields.
	(output_skeleton_debug_sections): Formatting fix.  Use
	DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
	DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.

2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/arm/cortex-a53.md: Add bypasses for
	cortex_a53_r2f_cvt.
	(cortex_a53_r2f): Only use for transfers.
	(cortex_a53_f2r): Likewise.
	(cortex_a53_r2f_cvt): Add reservation for conversions.
	(cortex_a53_f2r_cvt): Likewise.

2017-01-11  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm_neon.h: Add __artificial__ and gnu_inline
	to all inlined functions, change static to extern.

2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/78253
	* config/arm/arm.c (legitimize_pic_address): Handle reference to
	weak symbol.
	(arm_assemble_integer): Likewise.

2017-01-11  Richard Earnshaw  <rearnsha@arm.com>

	* config.gcc: Use new awk script to check CPU, FPU and architecture
	parameters for --with-... options.
	* config/arm/parsecpu.awk: New file
	* config/arm/arm-cpus.in: New file.
	* config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
	files.
	* config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
	files.
	* config/arm/t-arm: Update dependency rules.
	* common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
	of processing .def files.
	* config/arm/genopt.sh: Deleted.
	* config/arm/gentune.sh: Deleted.
	* config/arm/arm-cores.def: Deleted.
	* config/arm/arm-arches.def: Deleted.
	* config/arm/arm-fpus.def: Deleted.
	* config/arm/arm-tune.md: Regenerated.
	* config/arm/arm-tables.opt: Regenerated.
	* config/arm/arm-cpu.h: New generated file.
	* config/arm/arm-cpu-data.h: New generated file.
	* config/arm/arm-cpu-cdata.h: New generated file.

2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR lto/79042
	* lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
	bit.
	(input_varpool_node): Unpack dynamically_initialized bit.

2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/79032
	* lra-constraints.c (simplify_operand_subreg): In the MEM case, test
	the alignment of the adjusted memory reference against that of MODE,
	instead of the alignment of the original memory reference.

2017-01-11  Martin Jambor  <mjambor@suse.cz>

	* hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
	test.
	* ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
	decorated functions.

2017-01-11  Richard Biener  <rguenther@suse.de>

	* tree-vrp.c (evrp_dom_walker::before_dom_children): Also
	set range/nonnull info for PHI results.  Do not set it on
	stmts marked for removal.

2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): In the bitfield case, fetch the return value
	from the registers before applying a single big-endian adjustment.
	Always do a final load for a BLKmode value not larger than a word.

2017-01-10  David Malcolm  <dmalcolm@redhat.com>

	PR c++/77949
	* input.c (selftest::test_accessing_ordinary_linemaps): Verify
	that we correctly handle column numbers greater than
	LINE_MAP_MAX_COLUMN_NUMBER.

2017-01-10  Martin Sebor  <msebor@redhat.com>

	PR middle-end/78245
	* gimple-ssa-sprintf.c (get_destination_size): Call
	{init,fini}object_sizes.
	* tree-object-size.c (addr_object_size): Adjust.
	(pass_through_call): Adjust.
	(pass_object_sizes::execute): Adjust.
	* tree-object-size.h (fini_object_sizes): Declare.

2017-01-10  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78775
	* builtins.c (get_size_range): Move...
	* calls.c: ...to here.
	(alloc_max_size): Accept zero argument.
	(operand_signed_p): Remove.
	(maybe_warn_alloc_args_overflow): Call get_size_range.
	* calls.h (get_size_range): Declare.

2017-01-10  Joe Seymour  <joe.s@somniumtech.com>

	* config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
	from TI's devices.csv file as of September 2016.
	* config/msp430/msp430.c (msp430_mcu_data): Likewise.

2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/objc.texi: Likewise.

2017-01-10  Joshua Conner  <joshconner@google.com>

	* config/arm/fuchsia-elf.h: New file.
	* config/fuchsia.h: New file.
	* config.gcc (*-*-fuchsia*): Set native_system_header_dir.
	(aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
	targets.
	* config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts. 

2016-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79034
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Propagate out degenerate PHIs in the joiner.

2017-01-10  Martin Liska  <mliska@suse.cz>

	* ipa-icf.c (sort_sem_items_by_decl_uid): New function.
	(sort_congruence_classes_by_decl_uid): Likewise.
	(sort_congruence_class_groups_by_decl_uid): Likewise.
	(sem_item_optimizer::merge_classes): Sort class, groups in these
	classes and members in the groups by DECL_UID of declarations.
	This would make merge operations stable.

2017-01-10  Martin Liska  <mliska@suse.cz>

	* ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
	usage of m_classes_vec.
	(sem_item_optimizer::~sem_item_optimizer):  Likewise.
	(sem_item_optimizer::get_group_by_hash): Likewise.
	(sem_item_optimizer::subdivide_classes_by_equality): Likewise.
	(sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
	(sem_item_optimizer::verify_classes): Likewise.
	(sem_item_optimizer::process_cong_reduction): Likewise.
	(sem_item_optimizer::dump_cong_classes): Likewise.
	(sem_item_optimizer::merge_classes): Likewise.
	* ipa-icf.h (congruence_class_hash): Rename from
	congruence_class_group_hash.  Remove declaration of m_classes_vec.

2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
	OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
	* config.gcc: Add avx512vpopcntdqintrin.h.
	* config/i386/avx512vpopcntdqintrin.h: New.
	* config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
	* config/i386/i386-builtin-types.def: Add new types.
	* config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
	__builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
	__builtin_ia32_vpopcountq_v8di_mask): New.
	* config/i386/i386-c.c (ix86_target_macros_internal): Define
	__AVX512VPOPCNTDQ__.
	* config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
	(PTA_AVX512VPOPCNTDQ): Define.
	* config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
	TARGET_AVX512VPOPCNTDQ_P): Define.
	* config/i386/i386.opt: Add mavx512vpopcntdq.
	* config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
	* config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_CALL): Set to 67.

2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): In the bitfield case, if the value comes from
	a function call and is of an aggregate type returned in registers, do
	not modify the field mode; extract the value in all cases if the mode
	is BLKmode and the size is not larger than a word.

2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/71017
	* config/i386/cpuid.h: Fix undefined behavior.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimization/79007
	PR tree-optimization/67955
	* tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
	conservative for pt.null when flag_non_call_exceptions is on.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR translation/79019
	PR translation/79020
	* params.def (PARAM_INLINE_MIN_SPEEDUP,
	PARAM_IPA_CP_SINGLE_CALL_PENALTY,
	PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
	in descriptions.
	* config/avr/avr.opt (maccumulate-args): Likewise.
	* config/msp430/msp430.opt (mwarn-mcu): Likewise.
	* common.opt (freport-bug): Likewise.
	* cif-code.def (CIF_FINAL_ERROR): Likewise.
	* doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
	* config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
	translatable string.
	* config/i386/i386.c (function_value_32): Likewise.
	* config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
	* config/msp430/msp430.c (msp430_option_override, msp430_attr):
	Likewise.
	* config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
	* common/config/msp430/msp430-common.c (msp430_handle_option):
	Likewise.
	* symtab.c (symtab_node::verify_base): Likewise.
	* opts.c (set_debug_level): Likewise.
	* tree.c (verify_type_variant): Likewise.  Fix typo in comment.
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
	missing whitespace to translatable strings.
	* config/avr/avr.md (bswapsi2): Fix typo in comment.
	* config/sh/superh.h: Likewise.
	* config/i386/xopintrin.h: Likewise.
	* config/i386/znver1.md: Likewise.
	* config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
	* ipa-inline-analysis.c (compute_inline_parameters): Likewise.
	* double-int.h (struct double_int): Likewise.
	* double-int.c (div_and_round_double): Likewise.
	* wide-int.cc: Likewise.
	* tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
	* cfgcleanup.c (crossjumps_occured): Renamed to ...
	(crossjumps_occurred): ... this.
	(try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
	Adjust all uses.

	PR tree-optimization/78899
	* tree-if-conv.c (version_loop_for_if_conversion): Instead of
	returning bool return struct loop *, NULL for failure and the new
	loop on success.
	(versionable_outer_loop_p): Don't version outer loop if it has
	dont_vectorized bit set.
	(tree_if_conversion): When versioning outer loop, ensure
	tree_if_conversion is performed also on the inner loop of the
	non-vectorizable outer loop copy.
	* tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
	LOOP_VECTORIZED in inner loop of the scalar outer loop and
	prevent vectorization of it.
	(vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
	the outer loop vectorization of the non-scalar version is attempted
	before vectorization of the inner loop in scalar version.  If
	outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
	vectorization of its inner loop.
	* tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
	has 2 inner loops, rename also on edges from bb whose single pred
	is outer_loop->header.  Fix typo in function comment.

2017-01-09  Martin Sebor  <msebor@redhat.com>

	PR bootstrap/79033
	* asan.c (asan_emit_stack_protection): Increase local buffer size
	to avoid snprintf truncation warning.

2017-01-09  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
	to reference thunderx2t99 for the tuning structure
	* config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
	Rename to ...
	(thunderx2t99_extra_costs): This.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
	(vulcan_addrcost_table): This.
	(vulcan_regmove_cost): Rename to ...
	(thunderx2t99_regmove_cost): This.
	(vulcan_vector_cost): Rename to ...
	(thunderx2t99_vector_cost): this.
	(vulcan_branch_cost): Rename to ...
	(thunderx2t99_branch_cost): This.
	(vulcan_tunings): Rename to ...
	(thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
	* doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.

2017-01-09  Martin Jambor  <mjambor@suse.cz>

	PR ipa/78365
	PR ipa/78599
	* ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
	* ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
	(propagate_vr_accross_jump_function): Use the above function for all
	value range computations for pass-through jump functions and type
	converasion from explicit value range values.
	(ipcp_propagate_stage): Do not attempt to deduce types of formal
	parameters from TYPE_ARG_TYPES.
	* ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
	(ipa_write_node_info): Stream type of the actual argument.
	(ipa_read_node_info): Likewise. Also remove trailing whitespace.

2017-01-09  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (driver_handle_option): Handle OPT_E and set have_E.
	(lookup_compiler): Do not show error message with have_E.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/78938
	* tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
	where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
	BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
	{EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
	fixes.

2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
	is const0_rtx.

2017-01-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/78997
	* tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
	name condition properly.

2017-01-09  Richard Biener  <rguenther@suse.de>

	PR debug/79000
	* dwarf2out.c (is_cxx): New overload with context.
	(is_naming_typedef_decl): Use it.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	* invoke.texi (Option Summary): Correct spacing in option lists
	and add line breaks to fix over-long lines.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	PR middle-end/17660

	* extend.texi (Common Variable Attributes): Add xref to GCC
	Internals manual to explain mode attribute keywords.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16519
	* doc/invoke.texi (Option Summary): Move -pthread to Linker Options
	and Preprocessor Options.
	(Options for Linking): Document -pthread here....
	(RS/6000 and PowerPC Options): ...not here.
	(Solaris 2 Options): ...or here.
	* doc/cppopts.texi: Document -pthread.

2017-01-08  Martin Sebor  <msebor@redhat.com>

	PR middle-end/77708
	* doc/invoke.texi (Warning Options): Document -Wformat-truncation.
	* gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
	New member functions.
	(format_directive): Used them.
	(add_bytes): Same.
	(pass_sprintf_length::handle_gimple_call): Same.
	* graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
	to avoid truncation for any argument.
	(extract_affine_mul): Same.
	* tree.c (get_file_function_name): Same.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_INDIR_CALL): Set to 86.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	PR preprocessor/54124
	* doc/cppopts.texi: Reformat -d subtable to list the full name
	of the options.  Add cross-reference to the docs for the general
	compiler -d options.
	* doc/invoke.texi (Developer Options): Add cross-reference to the
	preprocessor-specific -d option documentation.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	PR preprocessor/13498
	* doc/cpp.texi (Search Path): Rewrite to remove obsolete and
	redudant material, and reflect new command-line options.
	(System Headers): Likewise.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/cppdiropts.texi: Merge documentation of -I, -iquote,
	-isystem, and -idirafter.  Copy-edit.
	* doc/cppopts.texi: Copy-edit.  Remove contradiction about
	default for -ftrack-macro-expansion.  Delete obsolete and
	badly-formatted implementation details about -fdebug-cpp output.
	* doc/cppwarnopts.texi: Copy-edit.

2017-01-07  David Malcolm  <dmalcolm@redhat.com>

	PR c++/72803
	* input.c (selftest::test_accessing_ordinary_linemaps): Verify
	that the transition from a max line width >= 1<<10 to narrower
	lines works correctly.

2017-01-07  Alexandre Oliva <aoliva@redhat.com>

	* doc/options.texi (PerFunction): New.
	* opt-functions.awk (switch_flags): Map both Optimization and
	PerFunction to CL_OPTIMIZATION.
	* opth-gen.awk: Test for PerFunction flag along with
	Optimization.
	* optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
	it only when the latter is present.  Skip those that don't in
	the hash function generator.
	* common.opt (fvar-tracking): Mark as PerFunction instead of
	Optimization.
	(fvar-tracking-assignments): Likewise.
	(fvar-tracking-assignments-toggle): Likewise.
	(fvar-tracking-uninit): Likewise.

2017-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR translation/79018
	* params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
	the and store.

2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>

	PR target/57583
	* config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
	* config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
	TARGET_LONG_JUMP_TABLE_OFFSETS.
	* config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
	* config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
	* config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
	(ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
	* config/m68k/m68k.md (tablejump expander): Likewise.
	(*tablejump_pcrel_hi): Renamed from unnamed insn, reject
	TARGET_LONG_JUMP_TABLE_OFFSETS.
	(*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
	* doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.

2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
	    David Holsgrove <david.holsgrove@xilinx.com>

	* common/config/microblaze/microblaze-common.c
	(TARGET_EXCEPT_UNWIND_INFO): Remove.
	* config/microblaze/microblaze-protos.h (microblaze_eh_return):
	New prototype.
	* config/microblaze/microblaze.c (microblaze_must_save_register)
	(microblaze_expand_epilogue, microblaze_return_addr): Handle
	calls_eh_return.
	(microblaze_eh_return): New function.
	* config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
	(EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
	(EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
	* config/microblaze/microblaze.md (eh_return): New pattern.

2017-01-06  Jakub Jelinek  <jakub@redhat.com>

	* system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
	GCC_DIAGNOSTIC_STRINGIFY): Define.

	* read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<mcrr>): New.
	(<mrrc>): New.
	* config/arm/arm.c (arm_arch5te): New.
	(arm_option_override): Set arm_arch5te.
	(arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
	and mrrc2.
	* config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
	(arm_mcrr_qualifiers): ... this. New.
	(MRRC_QUALIFIERS): Define to...
	(arm_mrrc_qualifiers): ... this. New.
	* config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
	__arm_mrrc2): New.
	* config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
	* config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
	(MRRCI, mrrc, MRRC): New.
	* config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
	VUNSPEC_MRRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<mcr>): New.
	(<mrc>): New.
	* config/arm/arm.c (arm_coproc_builtin_available): Add
	support for mcr, mrc, mcr2 and mrc2.
	* config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
	(arm_mcr_qualifiers): ... this. New.
	(MRC_QUALIFIERS): Define to ...
	(arm_mrc_qualifiers): ... this. New.
	(MCR_QUALIFIERS): Define to ...
	(arm_mcr_qualifiers): ... this. New.
	* config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
	__arm_mrc2): New.
	* config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
	* config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
	* config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
	VUNSPEC_MRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (*ldc): New.
	(*stc): New.
	(<ldc>): New.
	(<stc>): New.
	* config/arm/arm.c (arm_coproc_builtin_available): Add
	support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
	(arm_coproc_ldc_stc_legitimate_address): New.
	* config/arm/arm-builtins.c (arm_type_qualifiers): Add
	'qualifier_const_pointer'.
	(LDC_QUALIFIERS): Define to...
	(arm_ldc_qualifiers): ... this. New.
	(STC_QUALIFIERS): Define to...
	(arm_stc_qualifiers): ... this. New.
	* config/arm/arm-protos.h
	(arm_coproc_ldc_stc_legitimate_address): New.
	* config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
	__arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
	* config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
	stc2, stcl, stc2l): New.
	* config/arm/constraints.md (Uz): New.
	* config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
	* config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
	VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
	VUNSPEC_STC2L): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<cdp>): New.
	* config/arm/arm.c (neon_const_bounds): Rename this ...
	(arm_const_bounds): ... this.
	(arm_coproc_builtin_available): New.
	* config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
	(arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
	(CDP_QUALIFIERS): Define to...
	(arm_cdp_qualifiers): ... this. New.
	(void_UP): Define.
	(arm_expand_builtin_args): Add case for 6 arguments.
	* config/arm/arm-protos.h (neon_const_bounds): Rename this ...
	(arm_const_bounds): ... this.
	(arm_coproc_builtin_available): New.
	* config/arm/arm_acle.h (__arm_cdp): New.
	(__arm_cdp2): New.
	* config/arm/arm_acle_builtins.def (cdp): New.
	(cdp2): New.
	* config/arm/iterators.md (CDPI,CDP,cdp): New.
	* config/arm/neon.md: Rename all 'neon_const_bounds' to
	'arm_const_bounds'.
	* config/arm/types.md (coproc): New.
	* config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
	* gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
	* gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
	arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
	(UBINOP_QUALIFIERS): New.
	(si_UP): Define.
	(acle_builtin_data): New. Change comment.
	(arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
	ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
	ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
	arm_acle_builtins.def.
	(ARM_BUILTIN_ACLE_PATTERN_START): Define.
	(arm_init_acle_builtins): New.
	(CRC32_BUILTIN): Remove.
	(bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
	crc32cb, crc32ch and crc32cw.
	(arm_init_crc32_builtins): Remove.
	(arm_init_builtins): Use arm_init_acle_builtins rather
	than arm_init_crc32_builtins.
	(arm_expand_acle_builtin): New.
	(arm_expand_builtin): Use 'arm_expand_acle_builtin'.
	* config/arm/arm_acle_builtins.def: New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
	(arm_builtin_datum): ... this.
	(arm_init_neon_builtin): Rename to ...
	(arm_init_builtin): ... this. Add a new parameters PREFIX
	and USE_SIG_IN_NAME.
	(arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
	'arm_init_builtin'. Replace type 'neon_builtin_datum' with
	'arm_builtin_datum'.
	(arm_init_vfp_builtins): Likewise.
	(builtin_arg): Rename enum's replacing 'NEON_ARG' with
	'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
	(arm_expand_neon_args): Rename to ...
	(arm_expand_builtin_args): ... this. Rename builtin_arg
	enum values and differentiate between ARG_BUILTIN_MEMORY
	and ARG_BUILTIN_NEON_MEMORY.
	(arm_expand_neon_builtin_1): Rename to ...
	(arm_expand_builtin_1): ... this. Rename builtin_arg enum
	values, arm_expand_builtin_args and add bool parameter NEON.
	(arm_expand_neon_builtin): Use arm_expand_builtin_1.
	(arm_expand_vfp_builtin): Likewise.
	(NEON_MAX_BUILTIN_ARGS): Remove, it was unused.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
	* predict.c (tree_estimate_probability_bb): Reverse direction of
	polymorphic call predictor.

2017-01-06  David Malcolm  <dmalcolm@redhat.com>

	* passes.c (execute_one_pass): Split out pass-skipping logic into...
	(determine_pass_name_match): ...this new function and...
	(should_skip_pass_p): ...this new function.

2017-01-06  Nathan Sidwell  <nathan@acm.org>

	* ipa-visibility.c (function_and_variable_visibility): Reformat
	comments and long lines.  Remove extrneous if.
	* symtab.c (symtab_node::make_decl_local): Fix code format.
	(symtab_node::set_section_for_node): Fix comment typo.

2017-01-06  Martin Liska  <mliska@suse.cz>

	PR bootstrap/79003
	* lra-constraints.c: Rename invariant to lra_invariant.
	* predict.c (set_even_probabilities): Initialize e to NULL.

2017-01-05  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78910
	* gimple-ssa-sprintf.c (tree_digits): Add an argument.
	(format_integer): Correct off-by-one error in the handling
	of precision with negative numbers in signed conversions..

2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/71016
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
	factor_out_conditional_conversion.  Formatting fix.
	(factor_out_conditional_conversion): Add cond_stmt argument.
	If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
	cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
	Formatting fix.

2017-01-05  David Malcolm  <dmalcolm@redhat.com>

	* Makefile.in (OBJS): Add read-md.o, read-rtl.o,
	read-rtl-function.o, and selftest-rtl.o.
	* config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
	(selftest::aarch64_test_loading_full_dump): New function.
	(selftest::aarch64_run_selftests): New function.
	(TARGET_RUN_TARGET_SELFTESTS): Wire it up to
	selftest::aarch64_run_selftests.
	* config/i386/i386.c
	(selftest::ix86_test_loading_dump_fragment_1): New function.
	(selftest::ix86_test_loading_call_insn): New function.
	(selftest::ix86_test_loading_full_dump): New function.
	(selftest::ix86_test_loading_unspec): New function.
	(selftest::ix86_run_selftests): Call the new functions.
	* emit-rtl.c (maybe_set_max_label_num): New function.
	* emit-rtl.h (maybe_set_max_label_num): New decl.
	* function.c (instantiate_decls): Guard call to
	instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
	* function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
	"static".
	* gensupport.c (gen_reader::gen_reader): Pass "false"
	for new "compact" param of rtx_reader.
	* print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
	rather than an empty string for NULL strings.
	* read-md.c: Potentially include config.h rather than bconfig.h.
	Wrap include of errors.h with #ifdef GENERATOR_FILE.
	(have_error): New global, copied from errors.c.
	(md_reader::read_name): Rename to...
	(md_reader::read_name_1): ...this, adding "out_loc" param,
	and converting "missing name or number" to returning false, rather
	than failing.
	(md_reader::read_name): Reimplement in terms of read_name_1.
	(md_reader::read_name_or_nil): New function.
	(md_reader::read_string): Handle "(nil)" by returning NULL.
	(md_reader::md_reader): Add new param "compact".
	(md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
	(md_reader::read_file): New method.
	* read-md.h (md_reader::md_reader): Add new param "compact".
	(md_reader::read_file): New method.
	(md_reader::is_compact): New accessor.
	(md_reader::read_name): Convert return type from void to file_location.
	(md_reader::read_name_or_nil): New decl.
	(md_reader::read_name_1): New decl.
	(md_reader::m_compact): New field.
	(noop_reader::noop_reader): Pass "false" for new "compact" param
	of rtx_reader.
	(rtx_reader::rtx_reader): Add new "compact" param.
	(rtx_reader::read_rtx_operand): Make virtual and convert return
	type from void to rtx.
	(rtx_reader::read_until): New decl.
	(rtx_reader::handle_any_trailing_information): New virtual function.
	(rtx_reader::postprocess): New virtual function.
	(rtx_reader::finalize_string): New virtual function.
	(rtx_reader::m_in_call_function_usage): New field.
	(rtx_reader::m_reuse_rtx_by_id): New field.
	* read-rtl-function.c: New file.
	* selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
	* selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
	(selftest::verify_three_block_rtl_cfg): New decl.
	* read-rtl-function.h: New file.
	* read-rtl.c: Potentially include config.h rather than bconfig.h.
	For host, include function.h, memmodel.h, and emit-rtl.h.
	(one_time_initialization): New function.
	(struct compact_insn_name): New struct.
	(compact_insn_names): New array.
	(find_code): Handle insn codes in compact dumps.
	(apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
	(bind_subst_iter_and_attr): Likewise.
	(add_condition_to_string): Likewise.
	(add_condition_to_rtx): Likewise.
	(apply_attribute_uses): Likewise.
	(add_current_iterators): Likewise.
	(apply_iterators): Likewise.
	(initialize_iterators): Guard usage of apply_subst_iterator with
	#ifdef GENERATOR_FILE.
	(read_conditions): Wrap with #ifdef GENERATOR_FILE.
	(md_reader::read_mapping): Likewise.
	(add_define_attr_for_define_subst): Likewise.
	(add_define_subst_attr): Likewise.
	(read_subst_mapping): Likewise.
	(check_code_iterator): Likewise.
	(rtx_reader::read_rtx): Likewise.  Move one-time initialization
	logic to...
	(one_time_initialization): New function.
	(rtx_reader::read_until): New method.
	(read_flags): New function.
	(parse_reg_note_name): New function.
	(rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
	Handle reuse_rtx ids.
	Wrap iterator lookup within #ifdef GENERATOR_FILE.
	Add parsing support for RTL dumps, mirroring the special-cases in
	print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
	values, and calling handle_any_trailing_information.
	(rtx_reader::read_rtx_operand): Convert return type from void
	to rtx, returning return_rtx.  Handle case 'e'.  Call
	finalize_string on XSTR and XTMPL fields.
	(rtx_reader::read_nested_rtx):  Handle dumps in which trailing
	 "(nil)" values were omitted.  Call the postprocess vfunc on the
	return_rtx.
	(rtx_reader::rtx_reader): Add new "compact" param and pass to base
	class ctor.  Initialize m_in_call_function_usage.  Call
	one_time_initialization.
	* rtl-tests.c (selftest::test_uncond_jump): Call
	set_new_first_and_last_insn.
	* rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
	* selftest-rtl.c: New file.
	* selftest-rtl.h (class selftest::rtl_dump_test): New class.
	(selftest::get_insn_by_uid): New decl.
	* selftest-run-tests.c (selftest::run_tests): Call
	read_rtl_function_c_tests.
	* selftest.h  (selftest::read_rtl_function_c_tests): New decl.
	* tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
	dumps.

2017-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*testqi_ext_3): No need to handle memory
	operands in a special way.  Assert that pos+len <= mode precision.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

	* common.opt (fvect-cost-model): Remove RejectNegative flag, use
	3 argument Alias with unlimited for the negative form.
	(fno-vect-cost-model): Removed.

2017-01-05  Martin Liska  <mliska@suse.cz>

	* hsa-gen.c (gen_hsa_divmod): New function.
	(gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.

2017-01-05  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (lookup_compiler): Reject '-' filename for a precompiled
	header.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_setmem): Unroll the loop for
	small constant length operands.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
	between loop iterations.

2017-01-05  Martin Liska  <mliska@suse.cz>

	PR sanitizer/78815
	* gimplify.c (gimplify_decl_expr): Compare to
	asan_poisoned_variables instread of checking flags.
	(gimplify_target_expr): Likewise.
	(gimplify_expr): Likewise.
	(gimplify_function_tree): Conditionally initialize
	asan_poisoned_variables.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/78812
	* rtl.h (contains_mem_rtx_p): Prototype.
	* ifcvt.c (containts_mem_rtx_p): Move from here to...
	* rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
	* gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
	and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
	through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* input.c (assert_char_at_range): Default-initialize actual_range.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* df-scan.c (df_ref_create_structure): Make regno unsigned,
	to match the caller.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* cfgexpand.c (expand_gimple_basic_block): Disregard debug
	insns after final jump in test to emit dummy move.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
	* tree-eh.c (cleanup_empty_eh): Skip more debug stmts.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* multiple_target.c (create_dispatcher_calls): Init e_next.
	* tree-ssa-loop-split.c (split_loop): Init border.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Init
	scalar_type.

2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71977
	PR target/70568
	PR target/78823
	* config/rs6000/predicates.md (sf_subreg_operand): New predicate.
	(altivec_register_operand): Do not return true if the operand
	contains a SUBREG mixing SImode and SFmode.
	(vsx_register_operand): Likewise.
	(vsx_reg_sfsubreg_ok): New predicate.
	(vfloat_operand): Do not return true if the operand contains a
	SUBREG mixing SImode and SFmode.
	(vint_operand): Likewise.
	(vlogical_operand): Likewise.
	(gpc_reg_operand): Likewise.
	(int_reg_operand): Likewise.
	* config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
	* config/rs6000/rs6000.c (valid_sf_si_move): New function to
	determine if a MOVSI or MOVSF operation contains SUBREGs that mix
	SImode and SFmode.
	(rs6000_emit_move_si_sf_subreg): New helper function.
	(rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
	fixup SUBREGs involving SImode and SFmode.
	* config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
	numbers for the new peephole2 optimization.
	(peephole2 for SFmode unions): New peephole2 to optimize cases in
	the GLIBC math library that do AND/IOR/XOR operations on single
	precision floating point.
	* config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
	target macros to say whether we need to avoid SUBREGs mixing
	SImode and SFmode.
	(TARGET_ALLOW_SF_SUBREG): Likewise.
	* config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
	(UNSPEC_SI_FROM_SF): Likewise.
	(iorxor): Change spacing.
	(and_ior_xor): New iterator for AND, IOR, and XOR.
	(movsi_from_sf): New insns for SImode/SFmode SUBREG support.
	(movdi_from_sf_zero_ext): Likewise.
	(mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
	instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
	(movsf_from_si): New insn for SImode/SFmode SUBREG support.
	(fma<mode>4): Use gpc_reg_operand instead of register_operand.
	(fms<mode>4): Likewise.
	(fnma<mode>4): Likewise.
	(fnms<mode>4): Likewise.
	(nfma<mode>4): Likewise.
	(nfms<mode>4): Likewise.

2017-01-04  Marek Polacek  <polacek@redhat.com>

	PR c++/64767
	* doc/invoke.texi: Document -Wpointer-compare.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	* optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
	RejectNegative.

	* dwarf2out.c (output_loc_list): Don't throw away 64K+ location
	descriptions for -gdwarf-5 and emit them as uleb128 instead of
	2-byte data.

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/78056
	* doc/sourcebuild.texi (PowerPC-specific attributes): Add
	documentation of the powerpc_popcntb_ok attribute.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Add
	code to issue warning messages if a requested CPU configuration is
	not supported by the binary (assembler and loader) toolchain.
	(spe_init_builtins): Add two assertions to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(paired_init_builtins): Add assertion to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(altivec_init_builtins): Add comment explaining why definition
	of the DST built-in functions is not preceded by an assertion
	check.  Add assertions to prevent ICE if attempts are made to
	define an altivec predicate or an abs* built-in function that has
	been disabled.
	(htm_init_builtins): Add comment explaining why definition of the
	htm built-in functions is not preceded by an assertion check.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/67955
	* tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
	Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
	the points-to solution does not include pt_null.  Use DECL_PT_UID
	unconditionally.

2017-01-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (HI/SImode test with imm to QImode splitters):
	Use gen_int_mode instead of gen_lopwart for const_int operands.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/71563
	* match.pd: Simplify X << Y into X if Y is known to be 0 or
	out of range value - has low bits known to be zero.

2017-01-04  Alan Modra  <amodra@gmail.com>

	* Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
	* configure: Regenerate.
	* config.in: Regenerate.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/77569
	* input.c (ebcdic_execution_charset::on_error): Don't use strstr for
	a substring of the message, but strcmp with the whole message.  Ifdef
	ENABLE_NLS, translate the message first using dgettext.

2017-01-03  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/78856
	* tree-ssa-threadupdate.c: Include tree-vectorizer.h.
	(mark_threaded_blocks): Remove code to truncate thread paths that
	cross multiple loop headers.  Instead invalidate the cached loop
	iteration information and handle case of a thread path walking
	into an irreducible region.

2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78900
	* config/rs6000/rs6000.c (rs6000_split_signbit): Change some
	assertions.  Add support for doing the signbit if the IEEE 128-bit
	floating point value is in a GPR.
	* config/rs6000/rs6000.md (Fsignbit): Delete.
	(signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
	Update the length attribute if the value is in a GPR.
	(signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
	the sign or zero extension instruction, since the value is always 0/1.
	(signbit<mode>2_dm2): Delete using <Fsignbit>.

	PR target/78953
	* config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
	extracting SImode to a GPR register so that we can generate a
	store, limit the vector to be in a traditional Altivec register
	for the vextuwrx instruction.

2017-01-03  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.

2017-01-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78696
	* gimple-ssa-sprintf.c (format_floating): Correct handling of
	precision.  Use MPFR for %f for greater fidelity.  Correct handling
	of %g.
	(pass_sprintf_length::compute_format_length): Set width and precision
	specified by asrerisk to void_node for vararg functions.
	(try_substitute_return_value): Adjust dump output.

2017-01-03  David Edelsohn  <dje.gcc@gmail.com>

	* doc/invoke.texi (RS6000 options): LRA is enabled by default.

2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (SPARC options): Document -mlra as the default.
	* config/sparc/sparc.c (sparc_option_override): Force LRA unless
	-mlra/-mno-lra was passed to the compiler.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

	PR rtl-optimization/65618
	* emit-rtl.c (try_split): Move initialization of "before" and
	"after" to just before the call to emit_insn_after_setloc.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/md.texi (Standard Names): Remove reference to Java frontend.

2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>

	* dwarf2out.c (gen_enumeration_type_die): When
	-gno-strict-dwarf, add a DW_AT_encoding attribute.

2017-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/78965
	* gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
	Change first argument from const call_info & to call_info &.  For %n
	set info.nowrite to false.

	PR middle-end/78901
	* gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
	possibly throwing calls.

	* genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
	and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
	and fns handling, rather than in a separate case SSA_NAME.

2017-01-02  Jeff Law  <law@redhat.com>

	* config/darwin-driver.c (darwin_driver_init): Const-correctness
	fixes for first_period and second_period variables.

2017-01-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/78967
	* config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
	(*insvqi_1): New insn pattern.
	(*insvqi_1_mem_rex64): Ditto.
	(*insvqi_2): Ditto.
	(*insvqi_3): Rename from *insvqi.

	(*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cfg.texi (Edges): Remove reference to Java.
	(Maintaining the CFG): Ditto.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77674
	* symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
	transparent aliases.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_CALL): Update hitrate.
	(PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
	* predict.c (tree_estimate_probability_bb): Split CALL predictor
	into direct/indirect/polymorphic variants.

2017-01-01  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.

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