path: root/gcc/ChangeLog

2019-03-21  Jakub Jelinek  <jakub@redhat.com>

	* hash-table.h (hash_table): Add Lazy template parameter defaulted
	to false, if true, don't alloc_entries during construction, but defer
	it to the first method that needs m_entries allocated.
	(hash_table::hash_table, hash_table::~hash_table,
	hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
	hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
	hash_table::clear_slot, hash_table::traverse_noresize,
	hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
	* hash-set.h (hash_set): Add Lazy template parameter defaulted to
	false.
	(hash_set::contains): If Lazy is true, use find_slot_with_hash with
	NO_INSERT instead of find_with_hash.
	(hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
	hash_set::m_table): Add Lazy to template params of hash_table.
	(gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
	* attribs.c (test_attribute_exclusions): Likewise.
	* hash-set-tests.c (test_set_of_strings): Add iterator tests for
	hash_set.  Add tests for hash_set with Lazy = true.

2019-03-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89779
	* tree.c (tree_nop_conversion): Consolidate and fix defensive
	checks with respect to released SSA names now having error_mark_node
	type.
	* fold-const.c (operand_equal_p): Likewise.

2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>

	PR target/89775
	* config/s390/s390.c (global_not_special_regno_p): Move to make it
	available to ...
	(s390_optimize_register_info): Use global_not_special_regno_p to
	check for global regs.

2019-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/89752
	* lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
	update this_alternative nor this_alternative_set.

2019-03-19  Jim Wilson  <jimw@sifive.com>

	PR target/89411
	* config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
	align, size, offset.  Use them to handle a BLKmode reference.  Update
	comment.
	(riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.

2019-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89768
	* loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
	instead of GEN_INT.
	(unroll_loop_runtime_iterations): Likewise.

2019-03-19  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/89644
	* tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
	rather than endptr as an indicator of nul-termination.

	PR tree-optimization/89644
	* tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
	arrays in determining sequence sizes in strncpy and stpncpy.

2019-03-19  Martin Liska  <mliska@suse.cz>

	PR middle-end/89737
	* predict.c (combine_predictions_for_bb): Empty likely_edges and
	unlikely_edges if there's an edge that belongs to both these sets.

2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/89746
	* config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
	non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
	go via a stack temporary.

2019-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/89378
	* config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
	instead of gen_rtx_SUBREG.
	* config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.

2019-03-19  Richard Biener  <rguenther@suse.de>

	PR debug/88389
	* opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.

2019-03-19  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/87809
	PR lto/89335
	* tree.c (free_lang_data_in_decl): Do not free context of C++
	destrutors.

2019-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/89506
	* config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
	subs for the first alternative except when operands[3] is 1.

	PR target/89752
	* gimplify.c (gimplify_asm_expr): For output argument with
	TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
	diagnose error.

2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/89753
	* loop-unroll.c (decide_unroll_constant_iterations): Make guard for
	explicit unrolling factor even more robust.

2019-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/89726
	* config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
	compensation use x2 += 1 instead of x2 -= -1 and when honoring
	signed zeros, do another copysign after the compensation.

2019-03-18  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/89720
	* tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
	more conservatively, the same as anti-range.

2019-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/88945
	* tree-ssanames.c (release_ssa_name_fn): For released SSA names
	use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
	basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
	* tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.

2019-03-18  Andrew Stubbs  <ams@codesourcery.com>

	* config/gcn/gcn-run.c (struct output): Make next_output unsigned.
	Extend queue to 1024 entries.
	Add "consumed" field.
	(gomp_print_output): Remove print_index parameter.
	Add final parameter.
	Change limit to unsigned.
	Use consumed field to implement circular buffer.
	Detect interrupted print in final pass.
	Flush output at the end.
	(run): Update gomp_print_output usage.
	(main): Initialize kernargs->output_data.consumed.

2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
	calculation of the minimum number of scalar iterations for
	fully-predicated loops.

2019-03-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/89546
	* tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
	any propagation to its children took place.

2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>

	PR target/89627
	* config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
	parameter, and make use of it.
	(riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.

2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.opt (mcode-density-frame): Get the inital value
	from TARGET_CODE_DENSITY_FRAME_DEFAULT.
	* config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
	* config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
	* config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
	match what the ops is doing.
	(push_multi_fp_blink): Likewise.
	* config/arc/arc.c (arc_override_options): Enable enter/leave when
	compiling for size and elf target.
	(arc_save_callee_enter): Adjust note to match what enter/leave
	operation does.

2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (tst_movb): Fix constraint.

2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.

2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
	* config/arc/arc.c (arc_conditional_register_usage): Remove all
	reg_alloc_order references.
	(size_alloc_order): Define.
	(arc_adjust_reg_alloc_order): New function.
	* config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
	order.
	(ADJUST_REG_ALLOC_ORDER): Define.
	(HONOR_REG_ALLOC_ORDER): Likewise.

2019-03-18  Richard Biener  <rguenther@suse.de>

	PR target/87561
	* config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
	loads and stores a bit more.

2019-03-18  Richard Biener  <rguenther@suse.de>

	PR target/87561
	* config/i386/i386.c (ix86_add_stmt_cost): Apply strided
	load pessimization to stores as well.

2019-03-18  Andrey Belevantsev  <abel@ispras.ru>

	PR middle-end/86979
	* sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
	successor, use NULL as its av set.

2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/89721
	* lra-constraints (invariant_p): Return false if side_effects_p holds.

2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/87532
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	When handling vec_extract, use modular arithmetic to allow
	constant selectors greater than vector length.
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
	V1TImode vectors to have constant selector values greater than 0.
	Use modular arithmetic to compute vector index.
	(rs6000_split_vec_extract_var): Use modular arithmetic to compute
	index for in-memory vectors.  Correct code generation for
	in-register vectors.
	(altivec_expand_vec_ext_builtin): Use modular arithmetic to
	compute index.

2019-03-15  Alexandre Oliva <aoliva@redhat.com>

	PR c++/88534
	PR c++/88537
	* dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
	VAR_DECL args.

2019-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89709
	* tree.c (inchash::add_expr): Strip any location wrappers.
	* fold-const.c (operand_equal_p): Move stripping of location wrapper
	after hash verification.

	PR debug/89704
	* dwarf2out.c (add_const_value_attribute): Return false for MINUS,
	SIGN_EXTEND and ZERO_EXTEND.

2019-03-14  Jason Merrill  <jason@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
	than if is_empty (*slot).
	* hash-set-tests.c (test_set_of_strings): Add tests for addition of
	existing elt and for elt removal.
	* hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
	of already removed elt.

2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89650
	* config/i386/i386.c (remove_partial_avx_dependency): Handle
	REG_EH_REGION note.

2019-03-14  Martin Liska  <mliska@suse.cz>

	PR other/89712
	* doc/invoke.texi: Remove -fdump-class-hierarchy option.

2019-03-14  Richard Biener  <rguenther@suse.de>

	PR target/89711
	* config/i386/i386.c (make_resolver_func): Properly set
	DECL_CONTEXT on the RESULT_DECL.
	* config/rs6000/rs6000.c (make_resolver_func): Likewise.

2019-03-14  Richard Biener  <rguenther@suse.de>

	* gimple-pretty-print.c: Include cfgloop.h.
	(dump_gimple_phi): Adjust.
	(dump_gimple_bb_header): Dump loop header for GIMPLE.
	(pp_cfg_jump): Adjust.
	(dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
	* tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
	(lower_phi_internal_fn): Remove.
	(verify_gimple_call): Remove IFN_PHI special-casing.
	(dump_function_to_file): Dump IL state.
	* tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
	done to deal with PHI nodes being present in non-SSA state.

2019-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/89684
	* multiple_target.c (create_dispatcher_calls): Change
	references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
	In the node->iterate_referring loop, push *ref rather than ref, call
	ref->remove_reference () and always pass 0 to iterate_referring.

	PR rtl-optimization/89679
	* expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
	would contain a paradoxical SUBREG.

2019-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89710
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
	safe_dyn_cast.

2019-03-14  Martin Liska  <mliska@suse.cz>

	* coverage.c (coverage_begin_function): Stream also
	end_column.
	* doc/gcov.texi: Document 2 new fields in JSON file.  Improve
	documentation about function declaration location.
	* gcov-dump.c (tag_function): Print whole range
	of function declaration.
	* gcov.c (struct function_info): Add end_column field.
	(function_info::function_info): Initialize it.
	(output_json_intermediate_file): Output {start,end}_column
	fields.
	(read_graph_file): Read end_column.

2019-03-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/89698
	* fold-const.c (operand_equal_p): For INDIRECT_REF check
	that the access types are similar.

2019-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89703
	* tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
	aren't compatible also with builtin_decl_explicit.  Check pure
	or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
	and BUILT_IN_STPNCPY{,_CHK}.

2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89523
	* config/i386/i386.c (ix86_print_operand): Handle 'M' to add
	addr32 prefix to VSIB address for X32.
	* config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
	"%M2" to opcode.
	(*avx512pf_gatherpf<mode>df_mask): Likewise.
	(*avx512pf_scatterpf<mode>sf_mask): Likewise.
	(*avx512pf_scatterpf<mode>df_mask): Likewise.
	(*avx2_gathersi<mode>): Prepend "%M3" to opcode.
	(*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
	(*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
	(*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
	(*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
	(*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
	(*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
	(*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
	(*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
	(*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
	(*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
	(*avx512f_scatterdi<mode>): Likewise.

2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/85860
	* lra-constraints.c (inherit_in_ebb): Update
	potential_reload_hard_regs along with live_hard_regs.

2019-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR debug/89498
	* dwarf2out.c (size_of_die): For dw_val_class_view_list always use
	DWARF_OFFSET_SIZE.
	(value_format): For dw_val_class_view_list never use DW_FORM_loclistx.

2019-03-13  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/89662
	* tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
	has a size.

2019-03-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/89677
	* tree-scalar-evolution.c (simplify_peeled_chrec): Do not
	throw FP expressions at tree-affine.

2019-03-14  Richard Biener  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): For -gimple properly
	dump negative integer constants using _Literal (type) -num.

2019-03-13  Jakub Jelinek  <jakub@redhat.com>

	* ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
	nonlocal_value member.

	PR middle-end/88588
	* omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
	(ipa_simd_modify_function_body): Handle PHIs.

2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>

	* config/s390/s390.c (s390_option_override_internal): Use more
	aggressive inlining parameters.

2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>

	* config/s390/3906.md: New file.
	* config/s390/s390.c (MAX_SCHED_UNITS): Increase.
	(LONGRUNNING_THRESHOLD): Remove.
	(MAX_SCHED_MIX_SCORE): Decrease.
	(MAX_SCHED_MIX_DISTANCE): Decrease.
	(s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
	(struct s390_sched_state): New struct to hold scheduling state.
	(S390_SCHED_STATE_NORMAL): Remove.
	(S390_SCHED_STATE_CRACKED): Remove.
	(S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
	(s390_get_sched_attrmask): Use new attribute.
	(s390_get_unit_mask): Use new units.
	(s390_is_fpd): New function.
	(s390_is_fxd): New function.
	(s390_is_longrunning): New function.
	(s390_sched_score): Use new functions.
	(s390_sched_reorder): Likewise.
	(s390_sched_variable_issue): Rework and use new functions.
	(s390_sched_init): Use new functions.
	* config/s390/s390.h (s390_tune_attr):  Add z14.
	* config/s390/s390.md: Add z14.

2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>

	* config/s390/2964.md: Update pipeline description.
	* config/s390/s390.c (MAX_SCHED_UNITS): Increase.
	(LONGRUNNING_THRESHOLD): Remove.
	(LATENCY_FACTOR): Remove.
	(s390_get_unit_mask): Add unit.
	(s390_sched_score): Use fxd/fpd.
	(s390_sched_variable_issue): Use fxd/fpd.

2019-03-12  Martin Liska  <mliska@suse.cz>

	* config/i386/i386.c: Reword an error message.

2019-03-12  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (cgraph_node::dump): Dump more info for former thunks,
	terminate with newline.

2019-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/52726
	* config/s390/s390.md (tabort): Use %wd instead of
	HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
	letters and periods.
	* config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
	output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
	's with %< and %>.

	PR middle-end/89663
	* builtins.c (expand_builtin_int_roundingfn,
	expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
	gcc_unreachable if validate_arglist fails.

2019-03-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89664
	* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
	free the occurance tree after the early out.

2019-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89655
	PR bootstrap/89656
	* vr-values.c (vr_values::update_value_range): If
	old_vr->varying_p (), don't update it, make new_vr also VARYING
	and return false.

2019-03-11  Martin Liska  <mliska@suse.cz>

	* config/aarch64/aarch64.c (aarch64_override_options_internal):
	Fix double string quoting.

2019-03-11  Martin Liska  <mliska@suse.cz>

	* collect-utils.c (collect_wait): Wrap apostrophes
	in gcc internal format with %'.
	* collect2.c (main): Likewise.
	(scan_prog_file): Likewise.
	(scan_libraries): Likewise.
	* config/i386/i386.c (ix86_expand_call): Likewise.
	(ix86_handle_interrupt_attribute): Likewise.
	* config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
	* config/nds32/nds32.c (nds32_insert_attributes): Likewise.
	* config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
	* lto-wrapper.c (find_crtoffloadtable): Likewise.
	* symtab.c (symtab_node::verify_base): Likewise.
	* tree-cfg.c (verify_gimple_label): Likewise.
	* tree.c (verify_type_variant): Likewise.

2019-03-11  Martin Liska  <mliska@suse.cz>

	* builtins.c (expand_builtin_thread_pointer): Wrap an option name
	in a string format message and fix GNU coding style.
	(expand_builtin_set_thread_pointer): Likewise.
	* common/config/aarch64/aarch64-common.c (aarch64_rewrite_selected_cpu): Likewise.
	* common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
	* common/config/arc/arc-common.c (arc_handle_option): Likewise.
	* common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
	* common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
	* common/config/i386/i386-common.c (ix86_handle_option): Likewise.
	* common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
	* common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
	* common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
	* common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
	* common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option): Likewise.
	* common/config/riscv/riscv-common.c (riscv_subset_list::parsing_subset_version): Likewise.
	(riscv_subset_list::parse_std_ext): Likewise.
	(riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
	(riscv_subset_list::parse): Likewise.
	* common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
	* config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
	(aarch64_override_options_internal): Likewise.
	(aarch64_validate_mcpu): Likewise.
	(aarch64_validate_march): Likewise.
	(aarch64_validate_mtune): Likewise.
	(aarch64_override_options): Likewise.
	* config/alpha/alpha.c (alpha_option_override): Likewise.
	* config/arc/arc.c (arc_init): Likewise.
	(parse_mrgf_banked_regs_option): Likewise.
	(arc_override_options): Likewise.
	(arc_expand_builtin_aligned): Likewise.
	* config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
	(arm_expand_builtin): Likewise.
	* config/arm/arm.c (arm_option_check_internal): Likewise.
	(arm_configure_build_target): Likewise.
	(arm_option_override): Likewise.
	(arm_options_perform_arch_sanity_checks): Likewise.
	(arm_handle_cmse_nonsecure_entry): Likewise.
	(arm_handle_cmse_nonsecure_call): Likewise.
	(arm_tls_referenced_p): Likewise.
	(thumb1_expand_prologue): Likewise.
	* config/avr/avr.c (avr_option_override): Likewise.
	* config/bfin/bfin.c (bfin_option_override): Likewise.
	* config/c6x/c6x.c (c6x_option_override): Likewise.
	* config/cr16/cr16.c (cr16_override_options): Likewise.
	* config/cris/cris.c (cris_option_override): Likewise.
	* config/csky/csky.c (csky_handle_isr_attribute): Likewise.
	* config/darwin-c.c (macosx_version_as_macro): Likewise.
	* config/darwin.c (darwin_override_options): Likewise.
	* config/frv/frv.c (frv_expand_builtin): Likewise.
	* config/h8300/h8300.c (h8300_option_override): Likewise.
	* config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
	(ix86_option_override_internal): Likewise.
	(warn_once_call_ms2sysv_xlogues): Likewise.
	(ix86_expand_prologue): Likewise.
	(split_stack_prologue_scratch_regno): Likewise.
	(ix86_warn_parameter_passing_abi): Likewise.
	* config/ia64/ia64.c (fix_range): Likewise.
	* config/m68k/m68k.c (m68k_option_override): Likewise.
	* config/microblaze/microblaze.c (microblaze_option_override): Likewise.
	* config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
	(mips_set_compression_mode): Likewise.
	* config/mmix/mmix.c (mmix_option_override): Likewise.
	* config/mn10300/mn10300.c (mn10300_option_override): Likewise.
	* config/msp430/msp430.c (msp430_option_override): Likewise.
	* config/nds32/nds32.c (nds32_option_override): Likewise.
	* config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
	(nios2_option_override): Likewise.
	(nios2_expand_custom_builtin): Likewise.
	* config/nvptx/mkoffload.c (main): Likewise.
	* config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
	* config/pa/pa.c (fix_range): Likewise.
	(pa_option_override): Likewise.
	* config/riscv/riscv.c (riscv_parse_cpu): Likewise.
	(riscv_option_override): Likewise.
	* config/rl78/rl78.c (rl78_option_override): Likewise.
	* config/rs6000/aix61.h: Likewise.
	* config/rs6000/aix71.h: Likewise.
	* config/rs6000/aix72.h: Likewise.
	* config/rs6000/driver-rs6000.c (elf_platform): Likewise.
	* config/rs6000/freebsd64.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
	(rs6000_expand_zeroop_builtin): Likewise.
	(rs6000_expand_mtfsb_builtin): Likewise.
	(rs6000_expand_set_fpscr_rn_builtin): Likewise.
	(rs6000_expand_set_fpscr_drn_builtin): Likewise.
	(rs6000_invalid_builtin): Likewise.
	(rs6000_expand_split_stack_prologue): Likewise.
	* config/rs6000/rtems.h: Likewise.
	* config/rx/rx.c (valid_psw_flag): Likewise.
	(rx_expand_builtin): Likewise.
	* config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
	* config/s390/s390.c (s390_expand_builtin): Likewise.
	(s390_function_profiler): Likewise.
	(s390_option_override_internal): Likewise.
	(s390_option_override): Likewise.
	* config/sh/sh.c (sh_option_override): Likewise.
	(sh_builtin_saveregs): Likewise.
	(sh_fix_range): Likewise.
	* config/sh/vxworks.h: Likewise.
	* config/sparc/sparc.c (sparc_option_override): Likewise.
	* config/spu/spu.c (spu_option_override): Likewise.
	(fix_range): Likewise.
	* config/visium/visium.c (visium_option_override): Likewise.
	(visium_handle_interrupt_attr): Likewise.
	* config/xtensa/xtensa.c (xtensa_option_override): Likewise.
	* dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
	(dbg_cnt_process_opt): Likewise.
	* dwarf2out.c (output_dwarf_version): Likewise.
	* except.c (expand_eh_return): Likewise.
	* gcc.c (defined): Likewise.
	(driver_handle_option): Likewise.
	(process_command): Likewise.
	(compare_files): Likewise.
	(driver::prepare_infiles): Likewise.
	(driver::do_spec_on_infiles): Likewise.
	(driver::maybe_run_linker): Likewise.
	* omp-offload.c (oacc_parse_default_dims): Likewise.
	* opts-global.c (handle_common_deferred_options): Likewise.
	* opts.c (parse_sanitizer_options): Likewise.
	(common_handle_option): Likewise.
	(enable_warning_as_error): Likewise.
	* passes.c (enable_disable_pass): Likewise.
	* plugin.c (parse_plugin_arg_opt): Likewise.
	(default_plugin_dir_name): Likewise.
	* targhooks.c (default_expand_builtin_saveregs): Likewise.
	(default_pch_valid_p): Likewise.
	* toplev.c (init_asm_output): Likewise.
	(process_options): Likewise.
	(toplev::run_self_tests): Likewise.
	* tree-cfg.c (verify_gimple_call): Likewise.
	* tree-inline.c (inline_forbidden_p_stmt): Likewise.
	(tree_inlinable_function_p): Likewise.
	* var-tracking.c (vt_find_locations): Likewise.

2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
	only on the else branch.

2019-03-11  Martin Liska  <mliska@suse.cz>

	* gcov.c (output_intermediate_json_line): Print function
	name of each line.
	(output_json_intermediate_file): Add new argument.
	* doc/gcov.texi: Document the change.

2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/89588
	* loop-unroll.c (decide_unroll_constant_iterations): Make guard for
	explicit unrolling factor more robust.

2019-03-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89649
	* tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
	* tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
	on the prolog and epilog loops.
	(vect_loop_versioning): Return copy of loop.
	* tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
	on the non-vectorized version of the loop.

2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/68924
	* config/i386/sse.md (*vec_extractv2di_0_sse):
	Add (=r,x) alternative and corresponding splitter.

2019-03-10  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/85762
	PR tree-optimization/87008
	PR tree-optimization/85459
	* tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
	it points to if there is a type changing MEM_REF.  Adjust all callers.
	(build_accesses_from_assign): Disable total scalarization if
	contains_vce_or_bfcref_p returns true through the new parameter, for
	both rhs and lhs.

2019-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/88568
	* attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
	dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.

	PR target/79645
	* common.opt (fdiagnostics-show-labels,
	fdiagnostics-show-line-numbers, fdiagnostics-format=,
	fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
	gas-locview-support, ginline-points, ginternal-reset-location-views):
	Terminate description text with a dot.
	* config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
	* config/mcore/mcore.opt (m210, m340): Likewise.
	* config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
	mnops=): Start description text with a capital letter.
	* config/arc/arc.opt (msize-level=): Likewise.
	* config/sh/sh.opt (minline-ic_invalidate): Likewise.
	* config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
	mnewlib): Likewise.
	* config/ft32/ft32.opt (msim): Likewise.
	(mft32b, mcompress): Likewise.  Terminate description text with a dot.
	(mnodiv, mnopm): Terminate description text with a dot.
	* config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
	a colon.
	* config/i386/i386.opt (prefer_vector_width, instrument_return):
	Likewise.
	* config/rx/rx.opt (nofpu): Remove trailing spaces from description
	text.

	PR rtl-optimization/89634
	* cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
	are modified in BB_END (e->src) instruction.

2019-03-08  David Malcolm  <dmalcolm@redhat.com>

	PR target/79926
	* config/i386/i386.c (ix86_set_current_function): Make "sorry"
	messages more amenable to translation, and improve wording.

2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>

	* config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
	ud- and du-chains between phases.

2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>

	PR debug/89631
	* dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
	instead of POLY_INT_CST.

2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
	requirement.

2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/68924
	PR target/78782
	PR target/87558
	* config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
	(_mm_storeu_si64): Ditto.

2019-03-08  Martin Liska  <mliska@suse.cz>

	PR target/86952
	* config/i386/i386.c (ix86_option_override_internal): Disable
	jump tables when retpolines are used.

2019-03-08  Jan Hubicka  <hubicka@ucw.cz>

	PR go/63560
	* ipa-split.c (execute_split_functions): Do not split
	'noinline' or 'section' function.

2019-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/79846
	* config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
	HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
	HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.

	PR ipa/80000
	* ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
	from diagnostics.  Formatting fixes.

	PR target/85665
	* ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
	warn_odr diagnostics.

	PR other/80058
	* lra-constraints.c (process_alt_operands): Avoid one space before
	" at the end of line and another after " on another line in a string
	literal.
	* attribs.c (handle_dll_attribute): Likewise.
	* config/avr/avr-devices.c (avr_texinfo): Likewise.

	* gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
	warning_at or inform messages in G_() if there is no ?:.

	PR tree-optimization/89550
	* builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
	returned true.  Formatting fixes.
	(expand_builtin_strnlen): Formatting fixes.
	* tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
	if warning_at returned true.
	* tree-cfg.c (pass_warn_function_return::execute): Likewise.

2019-03-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/89578
	* cfgloop.h (struct loop): Add owned_clique field.
	* cfgloopmanip.c (copy_loop_info): Copy it.
	* tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
	cliques.
	* tree-inline.c (copy_loops): Remap owned_clique.
	* lto-streamer-in.c (input_cfg): Stream owned_clique.
	* lto-streamer-out.c (output_cfg): Likewise.

2019-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/80190
	* config/darwin.c: Include intl.h.
	(darwin_build_constant_cfstring): Improve i18n of diagnostics by not
	composing the message out of two separate parts.

2019-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/80003
	* config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
	doesn't start with a capital letter and doesn't end with a dot.
	(ix86_function_arg_boundary): Make sure diagnostics doesn't start
	with a capital letter.
	(ix86_mangle_function_version_assembler_name): Likewise.
	(ix86_generate_version_dispatcher_body): Likewise.
	(fold_builtin_cpu): Likewise.
	(get_builtin_code_for_version): Likewise.  Remove extraneous space.
	(ix86_handle_interrupt_attribute): Make the diagnostics easier for
	translators, wrap full type name in %qs.

	PR translation/79999
	* gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
	depend clause with source (or sink) modifier.
	* omp-expand.c (expand_omp_ordered_sink): Likewise.

	PR target/89602
	* config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
	*avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
	(avx512f_load<mode>_mask): New define_expand.
	* config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
	__builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
	__builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
	__builtin_ia32_movess_mask): New builtins.
	* config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
	_mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
	_mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
	_mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.

2019-03-07  Martin Jambor  <mjambor@suse.cz>

	PR lto/87525
	* ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
	for extern inline functions.

2019-03-07  Martin Jambor  <mjambor@suse.cz>

	PR ipa/88235
	* cgraph.h (cgraph_node): New inline method former_thunk_p.
	* cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
	(clone_of_p): Treat expanded thunks like thunks, be optimistic if they
	have multiple callees.  At the end check if declarations match as
	opposed to cgraph_nodes.

2019-03-07  Martin Liska  <mliska@suse.cz>

	* cgraph.c (cgraph_node::verify_node): Verify with a neighbour
	which is equivalent to searching for this in clones chain.
	* symtab.c (symtab_node::verify_base): Similarly compare ASM
	names with a neighbour and special case first node in a chain.

2019-01-25  Jason Merrill  <jason@redhat.com>

	PR c++/80916 - spurious "static but not defined" warning.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
	for an internal symbol with DECL_EXTERNAL.

2019-04-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/89618
	* cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
	* tree-inline.c (copy_loops): Simplify.

2019-03-07  Martin Liska  <mliska@suse.cz>

	* dwarf2out.c (add_AT_vms_delta): Revert function removal.

2019-03-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89595
	* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
	stmt iterator as reference, take boolean output parameter to
	indicate whether the stmt was removed and thus the iterator
	already advanced.
	(dom_opt_dom_walker::before_dom_children): Re-iterate over
	stmts created by folding.

2019-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89585
	* doc/extend.texi (Basic Asm): Document qualifiers are not allowed
	at toplevel.

2019-03-06  Peter Bergner  <bergner@linux.ibm.com>

	PR rtl-optimization/88845
	* config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
	LRA.
	* lra.c (remove_scratches_1): New function.
	(remove_scratches): Use it.
	(lra_emit_move): Likewise.

2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
	unaligned_access variable.
	* config/arc/arc.c (arc_override_options): Set unaligned access
	default on for HS CPUs.
	* config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.

2019-03-06  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/89577
	* doc/gcov.texi: Prefer to use --coverage.
	* doc/sourcebuild.texi: Likewise.

2019-03-02  Jason Merrill  <jason@redhat.com>

	PR c++/86485 - -Wmaybe-unused with empty class ?:
	* gimplify.c (gimplify_cond_expr): Use INIT_EXPR.

2019-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/89587
	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
	if_multiarch.

	PR middle-end/89590
	* builtins.c (maybe_emit_free_warning): Punt if free doesn't have
	exactly one argument.

2019-03-05  Jakub Jelinek  <jakub@redhat.com>
	    Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/89570
	* match.pd (vec_cond into cond_op simplification): Don't use
	get_conditional_internal_fn, use as_internal_fn (cond_op).

2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>

	PR target/89222
	* config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
	to decide when to split off a non-zero offset from a symbol.
	* config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
	in function symbols.

2019-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89594
	* tree-if-conv.c (pass_if_conversion::execute): Handle
	case where .LOOP_VECTORIZED_FUNCTION was removed.

2019-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/89560
	* fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
	instead alloca it only when needed with the needed size.

	PR tree-optimization/89570
	* match.pd (vec_cond into cond_op simplification): Guard with
	vectorized_internal_fn_supported_p test and #if GIMPLE.

	PR tree-optimization/89566
	* gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
	Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
	Punt if get_user_idx_format succeeds, but idx_format argument is
	not provided or doesn't have pointer type, or if idx_args is above
	number of provided arguments.

2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>

	PR tree-optimization/89437
	* match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.

2019-03-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/89572
	* tree-scalar-evolution.c: (get_loop_exit_condition): Use
	safe_dyn_cast.

2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>

	PR tree-optimization/89487
	* tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
	(create_rdg_vertices): Compute has_nonaddressable_dataref_p.
	(distribute_loop): Don't do runtime alias check if there is non-
	addressable data reference.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
	is a register variable.

2019-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/89506
	* config/arm/arm.md (cmpsi2_addneg): Use
	trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
	If operands[2] is 0 or INT_MIN, force use of subs.
	(*compare_scc splitter): Use gen_int_mode.
	(*negscc): Likewise.
	* config/arm/thumb2.md (*thumb2_negscc): Likewise.

2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
	    Monk Chiang  <sh.chiang04@gmail.com>

	* common/config/riscv/riscv-common.c: Include sstream.
	(riscv_subset_list::to_string): New.
	(riscv_arch_str): Likewise.
	* config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
	* config.in: Regen.
	* config/riscv/riscv-protos.h (riscv_arch_str): New.
	* config/riscv/riscv.c (INCLUDE_STRING): Defined.
	(riscv_emit_attribute): New.
	(riscv_file_start): Emit attribute if needed.
	(riscv_option_override): Init riscv_emit_attribute_p.
	* config/riscv/riscv.opt (mriscv-attribute): New option.
	* configure.ac (riscv*-*-*): Check binutils is supporting ELF
	* configure: Regen.
	* doc/install.texi: Document --with-riscv-attribute.
	* doc/invoke.texi: Document -mriscv-attribute.

	* common/config/riscv/riscv-common.c:
	Include config/riscv/riscv-protos.h.
	(INCLUDE_STRING): Defined.
	(RISCV_DONT_CARE_VERSION): Defined.
	(riscv_subset_t): Declare.
	(riscv_subset_t::riscv_subset_t): New.
	(riscv_subset_list): Declare.
	(riscv_subset_list::riscv_subset_list): New.
	(riscv_subset_list::~riscv_subset_list): Likewise.
	(riscv_subset_list::parsing_subset_version): Likewise.
	(riscv_subset_list::parse_std_ext): Likewise.
	(riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
	(riscv_subset_list::add): Likewise.
	(riscv_subset_list::lookup): Likewise.
	(riscv_subset_list::xlen): Likewise.
	(riscv_subset_list::parse): Likewise.
	(riscv_supported_std_ext): Likewise.
	(current_subset_list): Likewise.
	(riscv_parse_arch_string): Using riscv_subset_list::parse to
	parse.

2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): If
	rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
	* config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.

2019-03-01  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/85899
	* haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
	fallthru edges leading to the exit block.

2019-03-01  Tamar Christina  <tamar.christina@arm.com>

	PR target/89517
	* config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
	rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.

2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/89535
	* tree-vect-stmts.c (vectorizable_call): Record the vector types
	for each operand.  Calculate the fallback choice for mask operands
	and pass it to vect_get_vec_def_for_operand.

2019-03-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/89541
	* tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
	get virtual operands.
	(get_expr_operands): Handle CONST_DECL like other decls.

2019-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89503
	* fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
	on DECL_P and EXPR_P.

2019-03-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/89497
	* tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
	argument, defaulted to zero.
	* passes.c (execute_function_todo): Pass down SSA update flags
	to cleanup_tree_cfg.
	* tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
	(cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
	form if requested.
	(cleanup_tree_cfg): Get and pass down SSA update flags.

2019-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/89539
	* dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
	early_lto_debug argument.

2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/89536
	* tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
	only whether bit #0 of the value is 0 instead of the entire value.

2019-02-28  Marek Polacek  <polacek@redhat.com>

	PR c++/87068 - missing diagnostic with fallthrough statement.
	* gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
	at the end of a seq, save its location to walk_stmt_info.
	(expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
	a switch.

2019-02-28  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/88585
	* tree.c (find_atomic_core_type): Move ahead in file.
	(check_base_type): Correctly compare alignments of atomic types.

2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89455
	* config/i386/i386.c (get_builtin_code_for_version): Identify
	Westmere from PCLMUL, instead of AES.

2019-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/89434
	* config/arm/arm.md (*subsi3_carryin_compare_const): Use
	trunc_int_for_mode (-INTVAL (...), SImode), just instead of
	-UINTVAL (...).

2019-02-28  Tamar Christina  <tamar.christina@arm.com>

	PR target/88530
	* config/aarch64/aarch64-option-extensions.def: Document it.
	* config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
	if empty hwcaps.

2019-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR c/89520
	* convert.c (convert_to_real_1, convert_to_integer_1): Punt for
	builtins if they don't have a single scalar floating point argument.
	Formatting fixes.

2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR rtl-optimization/89490
	* varasm.c (get_block_for_section): Bail out for mergeable sections.
	(default_use_anchors_for_symbol_p, output_object_block): Assert the
	block section is not mergeable.

2019-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/70341
	* config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
	old define_insn to ...
	(*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
	* config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
	Rename old define_insn to ...
	(*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
	(thumb2_casesi_internal_pic): New define_expand.  Rename old
	define_insn to ...
	(*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
	* config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
	MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.

2019-02-27  Richard Biener  <rguenther@suse.de>

	PR debug/88878
	* dwarf2out.c (use_debug_types): Disable when in_lto_p.

2019-02-27  Richard Biener  <rguenther@suse.de>

	* passes.c (should_skip_pass_p): Do not skip cgraph-edge
	building.

2019-02-27  Richard Biener  <rguenther@suse.de>

	PR debug/88878
	* dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
	parameter, prefix section name with .gnu.debuglto_ if true.
	(dwarf2out_finish): Pass false to output_comdat_type_unit.
	(dwarf2out_early_finish): Pass true to output_comdat_type_unit.

2019-02-27  Richard Biener  <rguenther@suse.de>

	PR debug/89514
	* dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
	rather than on use_debug_types, doing what output_die does.
	(value_format): Likewise.

2019-02-27  Martin Jambor  <mjambor@suse.cz>
	    Martin Sebor  <msebor@redhat.com>

	* doc/invoke.texi (Warning Options): Reword description of
	-Wno-absolute-value.

2019-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89280
	* tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
	builtin_setjmp_setup_bb): New functions.
	(cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
	When visiting __builtin_setjmp_setup block, queue in special
	setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
	__builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
	from visited after the loop if they don't have any visited successor
	blocks.

2018-02-26  Steve Ellcey  <sellcey@marvell.com>

	* config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
	New function.
	(TARGET_GET_MULTILIB_ABI_NAME): New macro.

2019-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89507
	* tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
	with types other than sizetype/ssizetype.

2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc-opts.h (enum processor_type): Rename to...
	(enum sparc_processor_type): ...this.
	(enum sparc_code_model_type): New enumeration type.
	(enum sparc_memory_model_type): Tweak comments.
	* config/sparc/sparc.opt (mcpu): Adjust to above renaming.
	(mtune): Likewise.
	(mcmodel): Use sparc_code_model enumeration and variable.
	(sparc_code_model): New enumeration.
	(mdebug): Add Undocumented marker.
	* config/sparc/sparc.h (enum cmodel): Delete.
	(sparc_cmodel): Likewise.
	(TARGET_CM_MEDLOW): Adjust to above renaming.
	(TARGET_CM_MEDMID): Likewise.
	(TARGET_CM_MEDANY): Likewise.
	(TARGET_CM_EMBMEDANY): Likewise.
	* config/sparc/sparc.c (sparc_cmodel): Delete.
	(sparc_option_override): Remove string/value mapping support for the
	code model.  Move code and memory model support to after the handling
	of target flags.  Do private machine setup last.
	(sparc_emit_set_symbolic_const64): Use sparc_code_model.
	(sparc_legitimize_reload_address): Likewise.
	(sparc_output_mi_thunk): Likewise.
	* config/sparc/sparc.md (cpu): Adjust comment to above renaming.

2019-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89500
	* tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
	(handle_builtin_strlen): Remove noncst_bound variable.  Always
	optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
	cst if the first cst bytes starting at x are known to be non-zero,
	even if the string is not zero terminated.  Don't try to modify
	*si for strnlen.  Update strlen_to_stridx only for strlen or if
	we can prove strnlen returns the same value as strlen would.

2019-02-26  Martin Liska  <mliska@suse.cz>

	* alloc-pool.h (struct pool_usage): Remove extra
	print_dash_line.
	* bitmap.h (struct bitmap_usage): Likewise.
	* ggc-common.c (struct ggc_usage): Likewise.
	* mem-stats.h (struct mem_usage): Likewise.
	(mem_alloc_description::dump): Print dash lines
	here and repeat header at the end of a table report.
	It's then more readable.
	* tree-phinodes.c (phinodes_print_statistics): Make
	horizontal alignment.
	* tree-ssanames.c (ssanames_print_statistics): Likewise.
	* vec.c (struct vec_usage): Remove extra print_dash_line.
	* vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.

2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (__builtin_object_size):
	Use @pxref instead of @xref inside parenthesis.
	(__builtin_has_attribute): Add missing comma after @xref.
	(__builtin_object_size): Ditto.
	* doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
	* fortran/invoke.texi (-ffpe-trap): Use @var for every item
	in the list.

2019-02-26  Jeff Law  <law@redhat.com>

	PR rtl-optimization/87761
	* regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
	detect obviously dead insns and delete them.

2019-02-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89505
	* tree-ssa-structalias.c (compute_dependence_clique): Make sure
	to handle restrict pointed-to vars with multiple subvars
	correctly.

2019-02-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89489
	* tree-parloops.c (create_loop_fn): Copy over last_clique.

2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
	and move around comment.
	<BIT_AND_EXPR>: Likewise.
	<BIT_NOT_EXPR>: Add specific handling for boolean types.

2019-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR target/89474
	* config/i386/i386.c (remove_partial_avx_dependency): Call
	df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
	after changing possibly many instructions to use that pseudo.  Fix up
	insertion of v4sf_const0 setter at the start of bb.

2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>

	PR c/80409
	* doc/extend.texi (Variadic Pointer Args): New section.

2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
	    Martin Sebor  <msebor@gmail.com>

	* common.opt (Wattribute-alias): Likewise.
	* doc/invoke.texi (Option Summary): List general form of
	-Wattribute-alias=.  List positive form of -Wmissing-attributes.
	(-Wmissing-attributes): Invert entry, rewrite and correct default.
	Add cross-references.
	(-Wattribute-alias): Rewrite and correct default.  Mention
	considered attributes (same as for -Wmissing-attributes).

2019-02-25  Paul A. Clarke  <pc@us.ibm.com>

	* config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
	(_mm_cvtpd_ps): Likewise.
	(_mm_cvttpd_epi32): Likewise.

	PR target/89338
	* config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
	(_mm_cvt_ss2si): Fix type mismatch and 32-bit.

	PR target/89339
	* config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.

2019-02-25  Tamar Christina  <tamar.christina@arm.com>

	PR target/88530
	* common/config/aarch64/aarch64-common.c
	(struct aarch64_option_extension): Add is_synthetic.
	(all_extensions): Use it.
	(TARGET_OPTION_INIT_STRUCT): Define hook.
	(struct gcc_targetm_common): Moved to end.
	(all_extensions_by_on): New.
	(opt_ext_cmp, typedef opt_ext): New.
	(aarch64_option_init_struct): New.
	(aarch64_contains_opt): New.
	(aarch64_get_extension_string_for_isa_flags): Output smallest set.
	* config/aarch64/aarch64-option-extensions.def
	(AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
	(fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
	sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
	Set is_synthetic to false.
	(crypto): Set is_synthetic to true.
	* config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
	SYNTHETIC.

2019-02-25  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
	vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
	vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
	vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
	vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
	vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
	vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
	vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
	Rename ...
	(vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
	vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
	vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
	vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
	vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
	vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
	vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
	vfmlsl_laneq_high_f16): ... To this.
	* config/arm/neon.md: Update comments.

2019-02-25  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
	vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
	vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
	vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
	vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
	vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
	vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
	vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
	Rename ...
	(vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
	vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
	vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
	vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
	vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
	vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
	vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
	vfmlslq_laneq_high_f16): ... To this.

2019-02-25  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/86096
	* df-scan.c (df_mw_compare): Do not check mw_reg fields when
	comparing mw_order values.

2019-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/89434
	* config/arm/arm.md (*subsi3_carryin_const): Use
	arm_neg_immediate_operand predicate instead of
	arm_not_immediate_operand, "L" constraint instead of "K" and
	print it using %n2 instead of %B2.
	(*subsi3_carryin_const0): New define_insn.
	(*subsi3_carryin_compare_const): Use const_int_I_operand predicate
	instead of arm_not_operand and "I" constraint instead of "K" and
	print it using %n3 instead of %B2.  Instead of using match_dup 2 add
	another match_operand and in the condition check that it is negation
	of operands[2].
	(*subsi3_carryin_compare_const0): New define_ins.
	(*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
	*subsi3_carryin_const.
	(*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
	split into *subsi3_carryin_compare_const0 if the highpart is zero.

	PR target/89438
	* config/arm.vfp.md (*negdf2_vfp): Use
	gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
	* config/arm/neon.md (neon_copysignf<mode>): Likewise.

2019-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89445
	* simplify-rtx.c (simplify_ternary_operation): Don't use
	simplify_merge_mask on operands that may trap.
	* rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
	SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
	second operand is CONST_VECTOR, check if any element could be zero.
	Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
	their operands can trap.

2019-02-23  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-sprintf.c (target_strtol): Rename...
	(target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
	(parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
	check for range error.

2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/69471
	* opts-common.c (prune_options): Also prune joined switches
	with Negative and RejectNegative.
	* config/i386/i386.opt (march=): Add Negative(march=).
	(mtune=): Add Negative(mtune=).
	* doc/options.texi: Document Negative used together with Joined
	and RejectNegative.

2019-02-22  Martin Sebor  <msebor@redhat.com>

	* doc/extend.texi (Other Builtins): Add
	__builtin_is_constant_evaluated.

2019-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87609
	* tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.

2019-02-22  Jeff Law  <law@redhat.com>

	PR rtl-optimization/87761
	* config/mips/mips.md: Add new combiner pattern to recognize
	a bitfield extraction using (ashiftrt (truncate (ashift (...)))).

2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>

	PR target/89324
	* config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
	destination register in peepholes generating patterns for ADDS/SUBS.
	(add<mode>3_compare0,
	*addsi3_compare0_uxtw, add<mode>3_compareC,
	add<mode>3_compareV_imm, add<mode>3_compareV,
	*adds_<optab><ALLX:mode>_<GPI:mode>,
	*subs_<optab><ALLX:mode>_<GPI:mode>,
	*adds_<optab><ALLX:mode>_shift_<GPI:mode>,
	*subs_<optab><ALLX:mode>_shift_<GPI:mode>,
	*adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
	*sub<mode>3_compare0, *subsi3_compare0_uxtw,
	sub<mode>3_compare1): Allow stack pointer for source register.
	* config/aarch64/predicates.md (aarch64_general_reg): New predicate.

2019-02-22  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/88993
	PR tree-optimization/88853
	* gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
	New helper.
	(sprintf_dom_walker::call_info::is_string_func): New helper.
	(format_directive): Only issue "may exceed" 4095/INT_MAX warnings
	for formatted string functions.
	(sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.

2019-02-22  Martin Sebor  <msebor@redhat.com>

	PR c/89425
	* c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
	unreachable subexpressions.

2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
	    Hongtao Liu  <hongtao.liu@intel.com>
	    Sunil K Pandey  <sunil.k.pandey@intel.com>

	PR target/87007
	* config/i386/i386-passes.def: Add
	pass_remove_partial_avx_dependency.
	* config/i386/i386-protos.h
	(make_pass_remove_partial_avx_dependency): New.
	* config/i386/i386.c (make_pass_remove_partial_avx_dependency):
	New function.
	(pass_data_remove_partial_avx_dependency): New.
	(pass_remove_partial_avx_dependency): Likewise.
	(make_pass_remove_partial_avx_dependency): Likewise.
	* config/i386/i386.md (avx_partial_xmm_update): New attribute.
	(*extendsfdf2): Add avx_partial_xmm_update.
	(truncdfsf2): Likewise.
	(*float<SWI48:mode><MODEF:mode>2): Likewise.
	(SF/DF conversion splitters): Disabled for TARGET_AVX.

2019-02-22  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/85598
	* gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
	analysis for pass.

2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>

	PR target/89444
	* config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
	(PTA_SKYLAKE): Add PTA_AES.
	(PTA_GOLDMONT): Likewise.

2019-02-22  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
	instruction if enabled.
	(aarch64_override_options): Remove reference to return address key.

2019-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89440
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
	not necessary assert.

2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>

	PR fortran/72741
	* omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
	(oacc_replace_fn_attrib_attr): ... this new function.
	* omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.

2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm-cpus.in (ares): Rename to...
	(neoverse-n1): ... This.  Add ares as alias.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Likewise.
	* doc/invoke.txt (ARM Options): Document neoverse-n1.

2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64-cores.def (neoverse-e1): Define.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.

2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64.c (ares_tunings): Rename to...
	(neoversen1_tunings): ... This.
	* config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
	(neoverse-n1): New CPU.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.txt (AArch64 Options): Document neoverse-n1.

2019-02-22  Richard Biener  <rguenther@suse.de>

	PR middle-end/87609
	* cfghooks.h (dependence_hash): New typedef.
	(struct copy_bb_data): New type.
	(cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
	(duplicate_block): Likewise.
	* cfghooks.c (duplicate_block): Pass down copy_bb_data.
	(copy_bbs): Create and pass down copy_bb_data.
	* cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
	(rtl_duplicate_bb): Likewise.
	* tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
	remap dependence info.

2019-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87609
	* tree-core.h (tree_base): Document special clique values.
	* tree-inline.c (remap_dependence_clique): Do not use the
	special clique value of one.
	(maybe_set_dependence_info): Use clique one.
	(clear_dependence_clique): New callback.
	(compute_dependence_clique): Clear clique one from all refs
	before assigning it (again).

2019-02-21  Martin Sebor  <msebor@redhat.com>

	* doc/extend.texi (__clear_cache): Correct signature.

2019-02-21  Ian Lance Taylor  <iant@golang.org>

	PR go/89170
	* varasm.c (decode_addr_const): Call lookup_constant_def rather
	than output_constant_def.
	(add_constant_to_table): New static function.
	(output_constant_def): Call add_constant_to_table.
	(tree_output_constant_def): Likewise.

2019-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89285
	* builtins.c (fold_builtin_arith_overflow): If first two args are
	INTEGER_CSTs, set intres and ovfres to constants rather than calls
	to ifn.

2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/87412
	* config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
	error for -mindirect-branch/-mfunction-return with incompatible
	-fcf-protection.

2019-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/88714
	* constraints.md (q): Remove.
	* config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
	instead of q.

2019-02-21  Martin Jambor  <mjambor@suse.cz>

	PR hsa/89302
	* omp-general.c (omp_extract_for_data): Removed a duplicate call
	to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
	(omp_adjust_for_condition): ...here.  Added necessary parameters.
	* omp-general.h (omp_adjust_for_condition): Updated declaration.
	* omp-grid.c (grid_attempt_target_gridification): Adjust to pass
	proper values to new parameters of omp_adjust_for_condition.

2019-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89412
	* expr.c (expand_assignment): If result is a MEM, use change_address
	instead of simplify_gen_subreg.

2019-02-20  Jakub Jelinek  <jakub@redhat.com>
	    David Malcolm  <dmalcolm@redhat.com>

	PR middle-end/89091
	* fold-const.c (decode_field_reference): Return NULL_TREE if
	lang_hooks.types.type_for_size returns NULL.  Check it before
	overwriting *exp_.  Use return NULL_TREE instead of return 0.

2019-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/88074
	PR middle-end/89415
	* toplev.c (do_compile): Double the emin/emax exponents to workaround
	buggy mpc_norm.

2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/89397
	* config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
	TARGET_SSE in addition to TARGET_SSE_MATH.

	(ix86_excess_precision): Ditto.
	(ix86_float_exceptions_rounding_supported_p): Ditto.
	(use_rsqrt_p): Ditto.
	* config/i386/sse.md (rsqrt<mode>2): Ditto.

2019-02-20  David Malcolm  <dmalcolm@redhat.com>

	PR c/89410
	* diagnostic-show-locus.c (layout::calculate_line_spans): Use
	linenum_arith_t when determining if two adjacent line spans are
	close enough to merge.
	(diagnostic_show_locus): Use linenum_arith_t when iterating over
	lines within each line_span.

2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/86487
	* lra-constraints.c(uses_hard_regs_p): Fix handling of
	paradoxical SUBREGS.

2019-02-20  Li Jia He  <helijia@linux.ibm.com>

	PR target/88100
	* gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
	<case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
	ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
	range checking it.

2019-02-19  Jonathan Wakely  <jwakely@redhat.com>

	* config/gcn/gcn.c (print_operand): Fix typo.

2019-02-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/88074
	* toplev.c (do_compile): Initialize mpfr's exponent range
	based on available float modes.

2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>

	* rtlanal.c (get_initial_register_offset): Fall back to the estimate
	as long as the epilogue isn't completed.

2019-02-18  Martin Sebor  <msebor@redhat.com>

	* doc/cpp.texi (Conditional syntax): Add __has_attribute,
	__has_cpp_attribute, and __has_include.

2019-02-18  Martin Sebor  <msebor@redhat.com>

	* doc/invoke.texi (-Wreturn-type): Correct and expand.

2019-02-18  Martin Sebor  <msebor@redhat.com>

	PR middle-end/89294
	* tree.c (valid_constant_size_p): Avoid assuming size is a constant
	expression.
	* tree.h (cst_size_error): Add the cst_size_not_constant enumerator.

2019-02-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89296
	* tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
	of no-warning flag to cases that might emit the bogus warning.

2019-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/88714
	* config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
	"q" constraint.
	* config/arm/vfp.md (*movdi_vfp): Likewise.
	* config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
	"q" constraint for operands[0].

	PR target/89369
	* config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
	*r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
	pattern in a temporary buffer.
	(*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
	than 64-operands[2].

	PR target/89361
	* config/s390/s390.c (s390_indirect_branch_attrvalue,
	s390_indirect_branch_settings): Define unconditionally.
	(s390_set_current_function): Likewise, but guard the whole body except
	the s390_indirect_branch_settings call with
	#if S390_USE_TARGET_ATTRIBUTE.
	(TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.

	* config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
	*<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
	Use HOST_WIDE_INT_M1U instead of ~(0ULL).
	(*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
	HOST_WIDE_INT_1U instead of 1ULL.
	(*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
	to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
	(*insv<mode><clobbercc_or_nocc>_appendbitsleft,
	z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
	instead of 1UL.
	(*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
	instead of 1ul.

2019-02-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/89209
	* tree-sra.c (create_access_replacement): New optional parameter
	reg_tree.  Use it as a type if non-NULL and access type is not of
	a register type.
	(get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
	to create_access_replacement.
	(sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
	Check lacc is non-NULL before attempting to re-create it on the RHS.

2019-02-18  Martin Liska  <mliska@suse.cz>

	PR ipa/89306
	* cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
	by default.
	(symbol_table::free_edge): Recycle m_summary_id.
	* cgraph.h (get_summary_id): New.
	(symbol_table::release_symbol): Set m_summary_id to -1
	by default.
	(symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
	* ipa-fnsummary.c (ipa_fn_summary_t): Switch from
	function_summary to fast_function_summary.
	* ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
	* ipa-pure-const.c (class funct_state_summary_t):
	Switch from function_summary to fast_function_summary.
	* ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
	(class ipa_ref_opt_summary_t): Switch from function_summary
	to fast_function_summary.
	* symbol-summary.h (class function_summary_base): New class
	that is created from base of former function_summary.
	(function_summary_base::unregister_hooks): New.
	(class function_summary): Inherit from function_summary_base.
	(class call_summary_base): New class
	that is created from base of former call_summary.
	(class call_summary): Inherit from call_summary_base.
	(struct is_same): New.
	(class fast_function_summary): New summary class.
	(class fast_call_summary): New summary class.
	* vec.h (vec_safe_grow_cleared): New function.

2019-02-18  Martin Liska  <mliska@suse.cz>

	* config/i386/i386.c (ix86_get_multilib_abi_name): New function.
	(TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
	* doc/tm.texi: Document new target hook.
	* doc/tm.texi.in: Likewise.
	* target.def: Add new target macro.
	* gcc.c (find_fortran_preinclude_file): Do not search multilib
	suffixes.

2019-02-17  Alan Modra  <amodra@gmail.com>

	PR target/89271
	* config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
	output reg on add insn.
	(<bd>tf_<mode> split): Likewise.  Match predicates with insn.

2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89372
	* config/i386/sse.md (ssedoublemode): Remove V4HI.
	(PMULHRSW): Likewise.
	(<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
	TARGET_AVX2.
	(ssse3_pmulhrswv4hi3): New expander.

2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
	MMX.  Add isa attribute.

2019-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/66152
	* builtins.h (c_readstr): Declare.
	* builtins.c (c_readstr): Remove forward declaration.  Add
	null_terminated_p argument, if false, read all bytes from the
	string instead of stopping after '\0'.
	* expr.c (string_cst_read_str): New function.
	(store_expr): Use string_cst_read_str instead of
	builtin_strncpy_read_str.  Try to store by pieces the whole
	exp_len first, and only if that fails, split it up into
	store by pieces followed by clear_storage.  Formatting fix.

	* config/i386/i386.md (*movqi_internal): Remove static from
	buf variable.  Use output_asm_insn (buf, operands); return "";
	instead of return buf;.
	* config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
	*<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
	*<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.

2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/linux.h (ASAN_CC1_SPEC): Define.
	(CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
	* config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
	(CC1_SPEC): Likewise.
	* config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.

2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* asan.c (asan_emit_stack_protection): Use full-sized mask to align
	the base address on 64-bit strict-alignment platforms.

2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.

2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.

2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR rtl-optimization/88308
	* shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
	on copied instruction.

2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* final.c (insn_current_reference_address): Replace test on JUMP_P
	with test on jump_to_label_p.
	* config/visium/visium-passes.def: New file.
	* config/visium/t-visium (PASSES_EXTRA): Define.
	* config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
	* config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
	(TRAMPOLINE_ALIGNMENT): Define.
	* config/visium/visium.c (visium_option_override): Do not register
	the machine-specific reorg pass here.
	(visium_trampoline_init): Align the BRA insn on a 64-bit boundary
	for the GR6.
	(output_branch): Adjust threshold for long branch instruction.
	* config/visium/visium.md (cpu): Move around.
	(length): Adjust for the GR6.

2019-02-15  Richard Biener  <rguenther@suse.de>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89278
	* tree-loop-distribution.c: Include tree-eh.h.
	(generate_memset_builtin, generate_memcpy_builtin): Call
	rewrite_to_non_trapping_overflow on builtin->size before passing it
	to force_gimple_operand_gsi.

2019-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR other/89342
	* optc-save-gen.awk: Handle optimize_fast like optimize_size or
	optimize_debug.
	* opth-gen.awk: Likewise.

2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
	Enable MMX, SSE and SSE2 by default.
	* config/i386/i386.c (ix86_option_override_internal): Do not
	explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.

2019-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89354
	* combine.c (make_extraction): Punt if extraction_mode is narrower
	than len bits.

2019-02-14  Maya Rashish  <coypu@sdf.org>

	* config.gcc (*-*-netbsd*): Add netbsd-d.o.
	* config/netbsd-d.c: New file.
	* config/t-netbsd: Add netbsd-d.o

2018-02-14  Steve Ellcey  <sellcey@marvell.com>

	* config/aarch64/aarch64.c (aarch64_attribute_table): Change
	affects_type_identity to true for aarch64_vector_pcs.
	(aarch64_comp_type_attributes): New function.
	(TARGET_COMP_TYPE_ATTRIBUTES): New macro.

2019-02-14  Tamar Christina  <tamar.christina@arm.com>

	PR target/88850
	* config/arm/iterators.md (ANY64): Add V4HF.

2019-02-14  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/89242
	* dce.c (delete_unmarked_insns): Call free_dominance_info we
	process a transformation.

2019-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89314
	* fold-const.c (fold_binary_loc): Cast strlen argument to
	const char * before dereferencing it.  Formatting fixes.

	PR middle-end/89284
	* passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.

2019-02-13  Ian Lance Taylor  <iant@golang.org>

	* optc-save-gen.awk: Set var_opt_hash for initial optimizations
	and set current index for other optimizations.

2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
	nonimmediate_operand as operand 2 predicate.
	(vec_set<VF2_512_256:mode>_0): Ditto.
	(vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
	(*vec_concatv2si): Remove alternative 2.
	(*vec_concatv4si_0): Use vm constraint for alternative 0.
	(*vec_concatv4si_0): Remove preferred_for_speed attribute.
	(vec_concatv2di): Split alternatives 4,5,6 to ...
	(*vec_concatv2di_0) ... new pattern.

2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>

	PR target/89190
	* config/arm/arm.c (ldm_stm_operation_p) Set
	addr_reg_in_reglist correctly for first register.
	(load_multiple_sequence): Remove dead base check.
	(gen_ldm_seq): Correctly set write_back for Thumb-1.

2019-02-13  Tamar Christina  <tamar.christina@arm.com>

	PR target/88847
	* config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
	Expose as @aarch64_pred_mov.
	* config/aarch64/aarch64.c (aarch64_classify_address):
	Use expand_insn which legitimizes operands.

2019-02-13  Martin Liska  <mliska@suse.cz>

	* builtins.h (expand_builtin_with_bounds): Remove declaration.
	* calls.c (struct arg_data): Remove special_slot, pointer_arg
	and pointer_offset fields.
	(initialize_argument_information): Remove usage of dead
	fields.
	* cgraph.h (struct cgraph_thunk_info): Remove
	add_pointer_bounds_args.
	* cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
	fields.
	(cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
	fields.
	* config/i386/i386.c (ix86_function_arg_advance): Remove
	unrelated comment.
	(struct builtin_isa): Remove leaf_p and nothrow_p fields.
	(def_builtin):  Remove usage of dead
	fields.
	(ix86_add_new_builtins): Likewise.
	* ipa-fnsummary.c (compute_fn_summary): Likewise.
	* ipa-icf.c (sem_function::equals_wpa): Likewise.
	(sem_function::init): Likewise.
	(sem_variable::merge): Likewise.
	* ipa-visibility.c (function_and_variable_visibility): Likewise.
	* ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
	* lto-cgraph.c (lto_output_node): Likewise.
	(lto_output_varpool_node): Likewise.
	(input_node): Likewise.
	(input_varpool_node): Likewise.
	* lto-streamer-out.c (lto_output): Likewise.
	* tree-inline.c (expand_call_inline): Remove usage of
	assign_stmts.
	* tree-inline.h (struct copy_body_data): Likewise.
	* varpool.c (varpool_node::dump): Likewise.

2019-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89303
	* tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
	into pt->vars_contains_escaped_heap instead of setting
	pt->vars_contains_escaped_heap to it.

	PR middle-end/89281
	* optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
	INTVAL (size), compare it to GET_MODE_MASK instead of
	1 << GET_MODE_BITSIZE.

	PR target/89290
	* config/i386/predicates.md (x86_64_immediate_operand): Allow
	TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
	-mcmodel=large.

2019-02-13  Martin Liska  <mliska@suse.cz>

	PR lto/88858
	* cfgrtl.c (remove_barriers_from_footer): New function.
	(try_redirect_by_replacing_jump): Use it.
	(cfg_layout_redirect_edge_and_branch): Likewise.

2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
	vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
	* config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
	(crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
	* config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
	(VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
	New BU_CRYPTO_2.
	* config/rs6000/rs6000.c (builtin_function_type)
	<CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
	CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
	CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
	* doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
	vec_ncipher_be, vec_ncipherlast_be): New builtin functions.

2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
	-maltivec. Delete -maltivec=be and -maltivec=le documentation.

2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89229
	* config/i386/i386.md (*movoi_internal_avx): Revert revision
	268678 and revision 268657.
	(*movti_internal): Likewise.

2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>

	PR target/89233
	* config/s390/s390.c (s390_decompose_address): Update comment.
	(s390_check_qrst_address): Reject invalid address forms after
	LRA.

2019-02-12  Martin Liska  <mliska@suse.cz>

	PR lto/88876
	* ipa-pure-const.c (propagate_pure_const): Revert hunk as
	we need default values of funct_state for a function that
	is not optimized.

2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>

	* asan.c (asan_expand_mark_ifn): Take into account the alignment of
	the object to pick the size of stores on strict-alignment platforms.

	* config/sparc/sparc.md (*movsi_insn): Minor tweak.
	(*movdi_insn_sp32): Likewise.
	(*movdi_insn_sp64): Likewise.

2019-02-12  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/88677
	* cgraphunit.c (analyze_functions): Clear READONLY flag for external
	types that needs constructiong.
	* tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.

2019-02-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89253
	* tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
	duplicate the loop.

2019-02-11  David Malcolm  <dmalcolm@redhat.com>

	PR lto/88147
	* input.c (selftest::test_line_offset_overflow): New selftest.
	(selftest::input_c_tests): Call it.

2019-02-11  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/88771
	* gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
	when -Wstringop-overflow is set.
	(builtin_memref::builtin_memref): Adjust excessive upper bound
	only when lower bound is not excessive.
	(maybe_diag_overlap): Detect and diagnose excessive bounds via
	-Wstringop-ovefflow.
	(maybe_diag_offset_bounds): Rename...
	(maybe_diag_access_bounds): ...to this.
	(check_bounds_or_overlap): Adjust for name change above.

2019-02-11  Martin Sebor  <msebor@redhat.com>

	PR c++/87996
	* builtins.c (max_object_size): Move from here...
	* builtins.h (max_object_size): ...and here...
	* tree.c (max_object_size): ...to here...
	* tree.h (max_object_size): ...and here.

2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>

	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
	and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
	for correct semantics.

2019-02-11  Alan Modra  <amodra@gmail.com>

	* doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
	-mlongcall and -mpltseq.
	(RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
	(RS/6000 and PowerPC Options <-mpltseq>): Document.
	* config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
	* config/rs6000/sysv4.opt (mpltseq): New option.
	* config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
	(SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
	support is lacking.  Don't allow -mpltseq with -mbss-plt.
	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
	-mpltseq given for ELFv1.
	* config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
	Only use UNSPEC_PLTSEQ for inline PLT calls.
	(rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
	use UNSPEC_PLTSEQ for inline PLT calls.
	(rs6000_indirect_call_template_1, rs6000_longcall_ref),
	(rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
	uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
	* config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
	(pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
	(pltseq_mtctr_<mode>): Likewise.

2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
	Solaris ld.
	* configure: Regenerate.

2019-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/88714
	* config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
	instead of r.

2019-02-11  Hans-Peter Nilsson  <hp@axis.com>

	* function.c (assign_parm_setup_block): Use the stored
	size, not the passed size, when allocating stack-space,
	also for a parameter with alignment larger than
	MAX_SUPPORTED_STACK_ALIGNMENT.

2019-02-11  Martin Liska  <mliska@suse.cz>

	PR ipa/89009
	* ipa-cp.c (build_toporder_info): Remove usage of a param.
	* ipa-inline.c (inline_small_functions): Likewise.
	* ipa-pure-const.c (propagate_pure_const): Likewise.
	(propagate_nothrow): Likewise.
	* ipa-reference.c (propagate): Likewise.
	* ipa-utils.c (struct searchc_env): Remove unused field.
	(searchc): Always search across AVAIL_INTERPOSABLE.
	(ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
	the only called IPA pure const can properly not propagate
	across interposable boundary.
	* ipa-utils.h (ipa_reduced_postorder): Remove param.

2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>

	* config/nds32/nds32.md (call_internal, call_value_internal,
	sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.

2019-02-11  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
	typo.

2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
	in comments

2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>

	* config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.

2019-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89268
	* tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
	if preds is non-NULL.

2019-02-09  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/89272
	* tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
	polymorphic types.

2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>

	* config/nds32/nds32.md (trap): New pattern.

2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>

	* config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
	dwarf span.

2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>

	* config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
	to split POST_INC.

2019-02-09  Jan Hubicka  <hubicka@ucw.cz>

	* ipa-visibility.c (localize_node): Also do not localize
	LDPR_PREVAILING_DEF_IRONLY_EXP.

2019-02-09  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/87957
	* tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
	instead of type_with_linkage.

2019-02-09  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/88755
	* params.def (uninlined-function-insns, uninlined-function-time,
	uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
	bound so we don't get overflows.

2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>

	* config/rs6000/rs6000-string.c (expand_compare_loop,
	expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
	memcmp/strncmp.

2019-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89246
	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
	If !node->definition and TYPE_ARG_TYPES is non-NULL, use
	TYPE_ARG_TYPES instead of DECL_ARGUMENTS.

2019-02-09  Alan Modra  <amodra@gmail.com>

	PR target/88343
	* config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
	case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
	setup.

2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/88560
	* lra-constraints.c (process_alt_operands): Don't increase reject
	for memory when offset memory is required.

2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>

	* config/s390/vector.md: Implement vector copysign.

2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	* expr.c (expand_constructor): Correct indentations.

2019-02-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89247
	* tree-if-conv.c: Include tree-cfgcleanup.h.
	(version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
	(tree_if_conversion): Pass through predicate vector.
	(pass_if_conversion::execute): Do CFG cleanup and SSA update
	inline, see if any if-converted loops we refrece in
	LOOP_VECTORIZED calls vanished and fixup.
	* tree-if-conv.h (tree_if_conversion): Adjust prototype.

2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>

	* config/s390/constraints.md (jdd): New constraint.

2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89229
	* config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
	upper 16 vector registers without TARGET_AVX512VL.
	(*movti_internal): Likewise.

2019-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89234
	* except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
	is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
	(copy_reg_eh_region_note_backward): Likewise.

2019-02-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/89223
	* tree-data-ref.c (initialize_matrix_A): Fail if constant
	doesn't fit in HWI.
	(analyze_subscript_affine_affine): Handle failure from
	initialize_matrix_A.

2019-02-08  Jakub Jelinek  <jakub@redhat.com>

	* cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
	cfun everywhere.

2019-02-07  David Malcolm  <dmalcolm@redhat.com>

	PR tree-optimization/86637
	PR tree-optimization/89235
	* tree-vect-loop.c (optimize_mask_stores): Add an
	auto_purge_vect_location sentinel to ensure that vect_location is
	purged on exit.
	* tree-vectorizer.c
	(auto_purge_vect_location::~auto_purge_vect_location): New dtor.
	(try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
	to ensure that vect_location is purged on exit.
	(pass_slp_vectorize::execute): Likewise, replacing the manual
	reset.
	* tree-vectorizer.h (class auto_purge_vect_location): New class.

2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/iterators.md (max_opp): New code_attr.
	(USMAX): New code iterator.
	* config/aarch64/predicates.md (aarch64_smin): New predicate.
	(aarch64_smax): Likewise.
	* config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
	(*aarch64_<su>abd<mode>_3): ... Change RTL representation to
	MINUS (MAX MIN).

2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89229
	* config/i386/i386.md (*movoi_internal_avx): Set mode to OI
	for TARGET_AVX512VL.
	(*movti_internal): Set mode to TI for TARGET_AVX512VL.

2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: Add new types.
	* config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
	(s390_vec_xlw4): Make the memory operand into a const pointer.
	(s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
	float.
	* config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
	a new vector type with the alignment of the scalar memory operand.

2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/88714
	* config/arm/arm-protos.h (valid_operands_ldrd_strd,
	arm_count_ldrdstrd_insns): New declarations.
	* config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
	MINUS.
	(valid_operands_ldrd_strd): New function.
	(arm_count_ldrdstrd_insns): New function.
	* config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
	sets instead of single DImode set and define new insns to match this.

2019-02-07  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
	Make it a C initializer.

2019-02-07  Tamar Christina  <tamar.christina@arm.com>

	PR/target 88850
	* config/arm/neon.md (*neon_mov<mode>): Add r -> r case.

2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/neon.md (neon_<sup>dot<vsi2qi>):
	Use neon_dot<q> for type.
	(neon_<sup>dot_lane<vsi2qi>): Likewise.

2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
	Use neon_dot<q> for type.
	(aarch64_<sur>dot_lane<vsi2qi>): Likewise.
	(aarch64_<sur>dot_laneq<vsi2qi>): Likewise.

2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/89225
	* lra-constaints.c (simplify_operand_subreg): Add subreg mode
	sizes check.

2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
	after restoring registers saved to allocate the frame on Windows.

2019-02-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89182
	* graphite.h (cached_scalar_evolution_in_region): Declare.
	* graphite.c (struct seir_cache_key): New.
	(struct sese_scev_hash): Likewise.
	(seir_cache): New global.
	(cached_scalar_evolution_in_region): New function.
	(graphite_transform_loops): Allocate and release seir_cache.
	* graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
	cached_scalar_evolution_in_region.
	* graphite-scop-detection.c (scop_detection::can_represent_loop):
	Simplify.
	(scop_detection::graphite_can_represent_expr: Use
	cached_scalar_evolution_in_region.
	(scop_detection::stmt_simple_for_scop_p): Likewise.
	(find_params_in_bb): Likewise.
	(gather_bbs::before_dom_children): Likewise.
	* graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
	(add_loop_constraints): Likewise.

2019-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89210
	* fold-const-call.c (fold_const_vec_convert): Pass true as last
	operand to new_unary_operation only if both element types are integral
	and it isn't a widening conversion.  Return NULL_TREE if
	new_unary_operation failed.

2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>

	PR target/88856
	* config/s390/s390.md: Remove load and test FP splitter.

2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/89112
	* config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
	expand_compare_loop, expand_block_compare_gpr,
	expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
	REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
	#include "profile-count.h" and "predict.h" for types and functions
	needed to work with REG_BR_PROB notes.

2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/89112
	* config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
	for the long branch case.

2019-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/89188
	* dce.c (delete_unmarked_insns): Don't remove no-op moves if they
	can throw, non-call exceptions are enabled and we can't delete
	dead exceptions or alter cfg.  Set must_clean if
	delete_insn_and_edges returns true, don't set it blindly for calls.
	Assert that delete_unreachable_blocks is called only if can_alter_cfg.

	PR rtl-optimization/89195
	* combine.c (make_extraction): For MEMs, don't extract bytes outside
	of the original MEM.

2019-02-05  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/89000
	* gcov.c (function_summary): Remove argument.
	(file_summary): New function.
	(print_usage): Replace tabs with spaces.
	(generate_results): Use new function file_summary.

2019-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/89186
	* optabs.c (prepare_cmp_insn): Pass x and y to
	emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).

2019-02-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/89150
	* bitmap.h (struct bitmap_obstack): Do not mark GTY.
	(struct bitmap_element): Drop chain_prev so we properly recurse on
	the prev member, supporting tree views.
	(struct bitmap_head): GTY skip the obstack member.

2019-02-04  Alexander Monakov  <amonakov@ispras.ru>

	PR c/88698
	* doc/extend.texi (Vector Extensions): Add an example of using vector
	types together with x86 intrinsics.

2019-02-04  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
	str[] size to 160, and comment.

2019-02-04  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
	(rs6000_pltseq_template): Guard output of TLS markers with
	TARGET_TLS_MARKERS.
	(rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
	(rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
	to use inline PLT sequences.
	* config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
	(pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
	(pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.

2019-02-04  Martin Liska  <mliska@suse.cz>

	PR ipa/88985
	* ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
	out when ipa_fn_summaries does not contain entry for callee.

2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.h: Remove superfluous blank lines.
	* config/sparc/sparc.c (global_offset_table_rtx): Rename into...
	(got_register_rtx): ...this.
	(sparc_got): Adjust to above renaming.
	(sparc_tls_got): Likewise.
	(sparc_delegitimize_address): Likewise.
	(sparc_output_mi_thunk): Likewise.
	(sparc_init_pic_reg): Likewise.
	(save_local_or_in_reg_p): Fix test on the GOT register.
	(USE_HIDDEN_LINKONCE): Move around.
	(get_pc_thunk_name): Likewise.
	(gen_load_pcrel_sym): Likewise.
	(load_got_register): Likewise.

2019-02-04  Kito Cheng  <kito.cheng@gmail.com>

	* config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
	of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".

2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>

	* config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
	into consideration.

2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>

	* config.gcc (with_nds32_lib, glibc):
	Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
	* config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
	(NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.

2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/89071
	* config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
	Do not prefer (v,v) alternative for non-AVX targets and (m,v)
	alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
	(*rcpsf2_sse): Ditto.
	(*rsqrtsf2_sse): Ditto.
	(sse4_1_round<mode<2): Ditto.

2019-02-03  Richard Biener  <rguenther@suse.de>

	PR debug/87295
	* dwarf2out.c (copy_ancestor_tree): Register non-stubs as
	orig.

2019-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/87887
	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
	Punt with warning on aggregate return or argument types.  Ignore
	type/mode checking for uniform arguments.

2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>

	* combine.c (try_combine): Do not print "Can't combine" messages unless
	printing failed combination attempts.

2019-02-01  Martin Jambor  <mjambor@suse.cz>

	PR hsa/87863
	* omp-grid.c (grid_mark_variable_segment): Set assembler name of group
	segment and global segment variables before making them static.

2019-02-01  Martin Jambor  <mjambor@suse.cz>

	* omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
	missed optimization dump with dump_enabled_p.

2019-02-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/88597
	* tree-scalar-evolution.c (analyze_scalar_evolution): Set up
	the instantiate cache.
	(instantiate_scev_binary): Elide second operand procesing
	if equal to the first.
	* tree-chrec.c (chrec_contains_symbols): Add visited set.
	(chrec_contains_undetermined): Likewise.
	(tree_contains_chrecs): Likewise.

2019-02-01  Jan Hubicka  <hubicka@ucw.cz>

	* parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.

2019-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89143
	* wide-int-range.h (wide_int_range_absu): Declare.
	* wide-int-range.cc (wide_int_range_absu): New function.
	* tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.

	PR tree-optimization/88107
	* tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
	instead of assertion that eh_region_outermost is non-NULL, if it
	is NULL, set *ALL to true and return NULL.
	(move_sese_region_to_fn): Adjust caller, if all is set, call
	duplicate_eh_regions with NULL region.

2019-02-01  Richard Biener  <rguenth@suse.de>

	PR rtl-optimization/88593
	* mode-switching.c (optimize_mode_switching): Free dominators before
	calling cleanup_cfg.

2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>

	PR tree-optimization/88932
	* tree-predcom.c (try_combine_chains): Get loop bbs in dom order.

2019-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89137
	* omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
	bogus clang warning.

2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/89071
	* config/i386/i386.md (*extendsfdf2): Split out reg->reg
	alternative to avoid partial SSE register stall for TARGET_AVX.
	(truncdfsf2): Ditto.
	(sse4_1_round<mode>2): Ditto.

2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/89008
	* gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
	process anything of the form X * 0.

2019-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89135
	* tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
	with abnormal preds.

2019-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/89124
	* ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
	always_inline callees into no_sanitize_address callers.

2019-01-31  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/89115
	* lra.c (lra_rtx_hash): Properly hash CONST_INT values.

2019-01-30  Martin Sebor  <msebor@redhat.com>

	PR other/89106
	* doc/extend.texi (cast to a union): Correct and expand.

2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/87246
	* lra-constraints.c (simplify_operand_subreg): Reload memory
	in subreg if the address became invalid.

2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR target/87064
	* config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
	Disable for little-endian.

2019-01-30  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/89115
	* opts.c (default_options_optimization): Reduce
	PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
	Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
	to the default.

2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
	Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
	type of vector element when vec_extract is implemented by direct
	move.

2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>

	* doc/invoke.texi (C Language Options): List "-fopenacc-dim".

2019-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89111
	* tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
	canonicalization to appropriately sized access types.

2019-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89105
	* config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
	for arguments to functions that are TU-local and shouldn't be
	referenced by assembly.

2019-01-30  Ulrich Drepper  <drepper@redhat.com>

	* dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
	after '='.

2019-01-29  Martin Sebor  <msebor@redhat.com>

	PR c/88956
	* gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.

2019-01-29  Jakub Jelinek  <jakub@redhat.com>

	PR c++/66676
	PR ipa/89104
	* omp-simd-clone.c (simd_clone_clauses_extract)
	<case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
	OMP_CLAUSE_ALIGNED_ALIGNMENT.

2019-01-29  Vineet Gupta  <vgupta@synopsys.com>

	* config.gcc: Force .init_array for ARC.

2019-01-29  Richard Biener  <rguenther@suse.de>

	PR debug/87295
	* dwarf2out.c (collect_skeleton_dies): New helper.
	(copy_decls_for_unworthy_types): Call it.
	(build_abbrev_table): Assert we do not try to replace
	DW_AT_signature refs with local refs.

2019-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89002
	* gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
	for lastprivate/linear IV, push gimplify context around gimplify_assign
	and, if it needed any temporaries, pop it into a gimple bind around the
	sequence.

2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* common.opt (-Wattribute-alias): Remove "no-" from name.
	Make -Wattribute-alias command line option and
	#pragma GCC diagnostic ignored "-Wattribute-alias" work again.

2019-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/89073
	* doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
	-madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
	x86 ISA options.
	(bmi2): Add missing @opindex.
	* doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
	options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
	avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
	avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
	avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
	cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
	fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
	pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
	sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
	xsavec, xsaveopt and xsaves options.

2019-01-28  Richard Biener  <rguenther@suse.de>

	PR debug/89076
	* dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
	support removal.

2019-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88739
	* tree-cfg.c (verify_types_in_gimple_reference): Verify
	BIT_FIELD_REFs only are applied to mode-precision operands
	when they are integral.
	(verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
	BIT_FIELD_REFs of non-mode-precision integral operands.

2019-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/87214
	* config/i386/sse.md
	(<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
	avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
	first constants in pairs are multiples of 2.  Formatting fixes.
	(avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
	avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
	first constants in each quadruple are multiples of 4.  Formatting fixes.

2019-01-26  Martin Jambor  <mjambor@suse.cz>

	PR ipa/88933
	* tree-inline.c: Include tree-cfgcleanup.h.
	(delete_unreachable_blocks_update_callgraph): Move...
	* tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
	...here, make externally visible, make second argument bool, adjust
	all callers.
	* tree-cfgcleanup.c: Include cgraph.h.
	* tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
	Declare.
	* ipa-prop.c: Include tree-cfgcleanup.h.
	(ipcp_transform_function): Call
	delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.

2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/88846
	* ira.c (process_set_for_memref_referenced_p): New.
	(memref_referenced_p): Add new param.  Use
	process_set_for_memref_referenced_p.  Add new switch cases.
	(memref_used_between_p): Pass new arg to memref_referenced_p.

2019-01-25  Richard Earnshaw  <rearnsha@arm.com>

	PR target/88469
	* config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
	argument ABI_BREAK.  Set to true if the calculated alignment has
	changed in gcc-9.  Check bit-fields for their base type alignment.
	(aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
	(aarch64_function_arg_boundary): Likewise.
	(aarch64_gimplify_va_arg_expr): Likewise.

2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>

	PR middle-end/89037
	* varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
	instead of accessing TREE_INT_CST_ELT directly.

2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>

	* doc/sourcebuild.texi (Environment attributes): Add fenv and
	fenv_exceptions description.

2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>

	PR rtl-optimization/87763
	* config/aarch64/aarch64.c (aarch64_select_cc_mode):
	Allow SUBREG when matching CC_NZmode compare.

2019-01-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89049
	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
	Look at the pattern stmt to determine if the stmt is vectorized.

2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-sve.md (*pred_mov<mode>)
	(pred_mov<mode>): Handle all-register forms using both a new
	alternative and a split.

2019-01-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/86865
	* graphite-scop-detection.c (scop_detection::can_represent_loop):
	Reject non-do-while loops.

2019-01-24  Peter Bergner  <bergner@linux.ibm.com>

	* config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
	* config/rs6000/constraints.md (Q constraint): Use REG_P.
	* config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
	* config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
	SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
	* config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
	* config/rs6000/predicates.md (altivec_register_operand, vint_operand,
	vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
	vlogical_operand, gpc_reg_operand, int_reg_operand,
	int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
	(ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
	cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
	(save_world_operation, restore_world_operation, lmw_operation,
	stmw_operation): Use MEM_P and REG_P.
	(tie_operand): Use MEM_P.
	(vrsave_operation, crsave_operation): Use REG_P.
	(mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
	(fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
	(quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
	(call_operand): Use HARD_REGISTER_P.
	(indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
	Use CONST_INT_P.
	(lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
	* config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
	quad_aligned_load_p, replace_swapped_aligned_store,
	recombine_lvx_pattern, replace_swapped_aligned_load,
	recombine_stvx_pattern): Use MEM_P.
	(const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
	Use MEM_P and SYMBOL_REF_P.
	(rtx_is_swappable_p): Use REG_P and CONST_INT_P.
	(insn_is_swappable_p): Use REG_P and MEM_P.
	(insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
	* config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
	Use CONST_INT_P.
	* config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
	Use CONST_DOUBLE_P.
	(rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
	CONST_WIDE_INT_P.
	(rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
	CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
	(rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
	HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
	reg_or_subregno:
	(output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
	(easy_altivec_constant, rs6000_legitimate_offset_address_p,
	rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
	rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
	rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
	rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
	rs6000_split_logical_di): Use CONST_INT_P.
	(rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
	REG_P and SYMBOL_REF_P.
	(setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
	(print_operand): Use CONST_INT_P, MEM_P and REG_P.
	(virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
	mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
	(rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
	(small_data_operand, print_operand_address): Use CONST_INT_P and
	SYMBOL_REF_P.
	(split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
	(rs6000_init_hard_regno_mode_ok, direct_move_p):
	Use HARD_REGISTER_NUM_P.
	(rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
	(rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
	SUBREG_P and SYMBOL_REF_P.
	(register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
	and HARD_REGISTER_NUM_P.
	(rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
	reg_or_subregno.
	(rs6000_adjust_cost, find_mem_ref): Use MEM_P.
	(macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
	MEM_P and REG_P.
	(legitimate_indirect_address_p, legitimate_lo_sum_address_p,
	registers_ok_for_quad_peep, rs6000_output_function_epilogue,
	find_addr_reg): Use REG_P.
	(altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
	(rs6000_emit_le_vsx_move): Use SUBREG_P.
	(offsettable_ok_by_alignment, constant_pool_expr_p,
	legitimate_small_data_p, rs6000_output_dwarf_dtprel,
	rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
	rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
	rs6000_assemble_integer, create_TOC_reference,
	rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
	rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
	(rs6000_split_vec_extract_var): Use reg_or_subregno.
	* config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
	CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
	* config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
	* config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
	* config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
	(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
	(INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
	(CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
	* config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
	and cbranch<mode>4): Use CONST_INT_P.
	(multiple define_splits): Use REG_P and SUBREG_P.
	(define_expands call, call_value): Use MEM_P.
	(define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
	(define insn *mtcrfsi): Use CONST_INT_P and REG_P.
	* config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
	*vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
	and HARD_REGISTER_NUM_P.
	(multiple define_splits): Use HARD_REGISTER_NUM_P.

2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/88948
	* rtl.h (prepare_copy_insn): New prototype.
	* gcse.c (prepare_copy_insn): New function, split out from
	process_insert_insn.
	(process_insert_insn): Use prepare_copy_insn.
	* store-motion.c (replace_store_insn): Use prepare_copy_insn
	instead of gen_move_insn.

2019-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/89006
	* config/i386/i386.c (ix86_pic_register_p): Return true for
	UNSPEC_SET_GOT too.

	PR tree-optimization/88964
	* gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
	punt if HONOR_SNANS (chrec).

	PR middle-end/89015
	* tree-nested.c (convert_nonlocal_reference_stmt,
	convert_local_reference_stmt, convert_tramp_reference_stmt,
	convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
	gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
	or GIMPLE_OMP_TASK.

	PR tree-optimization/89027
	* tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
	for "omp simd array" variables.

2019-01-24  Richard Earnshaw  <rearnsha@arm.com>

	PR target/88469
	* profile-count.h (profile_count): On ARM systems using GCC 6/7/8
	force the alignment of m_val.

2019-01-24  Richard Biener  <rguenther@suse.de>

	PR lto/87187
	* tree-streamer-out.c (write_ts_decl_common_tree_pointers):
	When in "legacy" debug mode make sure to reset self-origins.

2019-01-24  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/88994
	* gcov-io.c (mangle_path): Do not allocate a bigger buffer,
	result will be always smaller or equal to the original.
	* gcov.c (mangle_name): Fix else branch where we should
	also copy to PTR and shift the pointer.

2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>

	* tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
	* vr-values.c (find_case_label_ranges): Fix a comment typo.

2019-01-23  Bin Cheng  <bin.cheng@arm.com>
	    Steve Ellcey <sellcey@marvell.com>

	PR target/85711
	* recog.c (address_operand): Return false on wrong mode for address.
	(constrain_operands): Check for mode with 'p' constraint.

2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/88998
	* config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
	Disparage MMX alternative.
	(sse2_cvtpd2pi): Ditto.
	(sse2_cvttpd2pi): Ditto.

2019-01-23  David Malcolm  <dmalcolm@redhat.com>

	PR driver/89014
	* config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
	use-after-free of the result of
	aarch64_get_extension_string_for_isa_flags.

2019-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR c/44715
	* doc/extend.texi: Document break and continue behavior in
	statement expressions.

2019-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89008
	* tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
	not leave another stray operand.

2019-01-23  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Bump to 9.0.1.

2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>

	* cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
	thunk that returns by reference, use the type of the return object
	of the thunk instead of that of the alias to build the dereference.

2019-01-23  Vineet Gupta  <vgupta@synopsys.com>

	* config/arc/atomic.md: Add operand to DMB instruction.

2019-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/88964
	* gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
	build_zero_cst instead of build_int_cst.  Return false for loop
	invariants which honor signed zeros.

2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>

	* doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.

2019-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR target/88965
	* config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
	(rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
	is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.

	PR middle-end/88968
	* gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
	non-integral DECL_BIT_FIELD_REPRESENTATIVEs.

	PR target/87064
	* config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
	Disable for little endian.

2019-01-22  Richard Earnshaw  <rearnsha@arm.com>

	PR target/88469
	* config/arm/arm.c (arm_needs_double_word_align): Check
	DECL_BIT_FIELD_TYPE.

2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/88909
	* config/i386/i386-builtin.def: Add mask2 to all builtin
	initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
	SPECIAL_ARGS.
	* config/i386/i386.c (BDESC): Add mask2 to the definition.
	(BDESC_FIRST): Likewise.
	(define_builtin): Add an argument for mask2.  Updated to handle
	both ix86_isa_flags and ix86_isa_flags2.
	(define_builtin_const): Likewise.
	(define_builtin_pure): Likewise.
	(define_builtin2): Deleted.
	(define_builtin_const2): Likewise.
	(builtin_description): Add a member, mask2.
	(bdesc_*): Add mask2 to builtin initializations.
	(ix86_init_mmx_sse_builtins): Update calls to def_builtin,
	def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
	support.
	(ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.

2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/88954
	* config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
	noplt attribute.

2019-01-22  Richard Earnshaw  <rearnsha@arm.com>

	PR target/88469
	* config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
	alignment is dominated by a bitfield with 64-bit aligned base type.
	(arm_function_arg): Emit a warning if the alignment has changed since
	earlier GCC releases.
	(arm_function_arg_boundary): Likewise.
	(arm_setup_incoming_varargs): Likewise.

2019-01-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88862
	* graphite-scop-detection.c
	(scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.

2019-01-22  Andrew Stubbs  <ams@codesourcery.com>

	* doc/extend.tex (AMD GCN Function Attributes): New section.
	* doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
	* doc/invoke.texi (AMD GCN Options): New section.
	* doc/md.texi (Constraints for Particular Machines): Add AMD GCN.

2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
	register and decoded HIGH/LO_SUM combinations for labels in PIC mode.

2019-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/88044
	* tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
	is false in the first iteration, but !every_iteration, return false
	instead of true with niter->niter zero.

	PR rtl-optimization/88904
	* cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
	any nonequal registers before processing BB_END (b).

	PR target/88905
	* optabs.c (add_equal_note): Add op0_mode argument, use it instead of
	GET_MODE (op0).
	(expand_binop_directly, expand_doubleword_clz,
	expand_doubleword_popcount, expand_ctz, expand_ffs,
	expand_unop_direct, maybe_emit_unop_insn): Adjust callers.

	PR rtl-optimization/49429
	PR target/49454
	PR rtl-optimization/86334
	PR target/88906
	* expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
	addressable from here...
	(emit_block_op_via_libcall): ... to here.

2019-01-22  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_loop_operations): Use
	auto_vec for cost vector to fix memleak.
	(vectorize_fold_left_reduction): Properly gather SLP defs.
	(vectorizable_comparison): Do not swap operands to properly
	gather SLP defs.

2019-01-22  Alan Modra  <amodra@gmail.com>

	PR target/88614
	* config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
	stays a reg.  Allow a const_int.
	* config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
	* config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
	(IS_NOMARK_TLSGETADDR): Define.
	* config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
	(rs6000_output_tlsargs): New function.
	(rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
	__tls_get_addr call takes an arg.
	(rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
	* config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
	delete split..
	(call_value_nonlocal_sysv): ..or here, delete split.
	(tls_gdld_nomark): Delete.
	(call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
	predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
	(call_value_nonlocal_sysv): Likewise.
	(call_value_nonlocal_sysv_secure): Likewise.
	(call_value_nonlocal_aix): Likewise.
	(call_value_indirect_aix): Likewise.
	(call_value_indirect_elfv2): Likewise.
	(call_value_local32, call_value_local64): Disable for no-mark tls.
	(call_value_local_aix): Likewise.

2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/88938
	* config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
	case IX86_BUILTIN_BEXTRI64]: Sanitize operands.

2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>

	* hash-map-tests.c (test_map_of_strings_to_int): Show how to use
	string contents as hash_map keys.

2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c/88928
	* c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
	for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
	instead of TYPE_ALIGN.
	(check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
	Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
	pointer from TYPE_STUB_DECL.

2019-01-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88934
	* tree-vect-slp.c (vect_mask_constant_operand_p): Always look
	at the possibly non-constant operand.
	(vect_get_constant_vectors): Adjust.

2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/71659
	* config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
	* config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
	instead of _X86INTRIN_H_INCLUDED.
	* onfig/i386/clwbintrin.h: Likewise.
	* config/i386/pkuintrin.h: Likewise.
	* config/i386/prfchwintrin.h: Likewise.
	* config/i386/rdseedintrin.h: Likewise.
	* config/i386/wbnoinvdintrin.h: Likewise.
	* config/i386/xsavecintrin.h: Likewise.
	* config/i386/xsavesintrin.h: Likewise.
	* config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
	* config/i386/xsaveintrin.h: Likewise.
	* config/i386/xsaveoptintrin.h: Likewise.
	* config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
	<prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
	<xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
	<clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
	<wbnoinvdintrin.h> and <pkuintrin.h> to ...
	* config/i386/immintrin.h: Here.

2019-01-20  Martin Jambor  <mjambor@suse.cz>

	PR ipa/87615
	* ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
	with aa_walk_budget.
	* cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
	aa_walk_budget_p parameter.
	* ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
	walk.  Updated all callers.
	(unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
	(eliminated_by_inlining_prob): New parameter fbi, pass it on to
	unmodified_parm.
	(will_be_nonconstant_expr_predicate): New parameter fbi, removed
	parameter info.  Extract info from fbi.  Pass fbi to recursive calls
	and to unmodified_parm.
	(phi_result_unknown_predicate): New parameter fbi, removed parameter
	info, updated call to will_be_nonconstant_expr_predicate.
	(param_change_prob): New parameter fbi, limit AA walking.
	(analyze_function_body): Initialize aa_walk_budget in fbi.  Update
	calls to various above functions.
	* ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
	parameter.  Use it to limit AA walking.
	* ipa-prop.c (detect_type_change_from_memory_writes): New parameter
	fbi, limit AA walk.
	(detect_type_change): New parameter fbi, pass it on to
	detect_type_change_from_memory_writes.
	(detect_type_change_ssa): Likewise.
	(aa_overwalked): Removed.
	(parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
	accordingly, adjust to the neew AA limiting scheme.
	(parm_ref_data_preserved_p): Likewise.
	(ipa_compute_jump_functions_for_edge): Adjust call to
	get_dynamic_type.
	(ipa_analyze_call_uses): Likewise.
	(ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
	(ipa_analyze_node): Initialize aa_walk_budget.
	(ipcp_transform_function): Likewise.
	* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
	to get_dynamic_type.

2019-01-19  Jakub Jelinek  <jakub@redhat.com>

	* config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
	outside of #if CHECKING_P code.

2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>

	* gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
	New function, split out from...
	(loop_versioning::analyze_stride): ...here.
	(loop_versioning::find_per_loop_multiplication): Use gassign.
	(loop_versioning::analyze_term_using_scevs): Return a success code.
	(loop_versioning::analyze_arbitrary_term): New function.
	(loop_versioning::analyze_address_fragment): Use
	analyze_arbitrary_term if all else fails.

2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/88892
	* config/rs6000/rs6000.md (*movsi_from_df): Allow only register
	operands.

2019-01-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88903
	* tree-vect-stmts.c (vectorizable_shift): Verify we see all
	scalar stmts a SLP shift amount is composed of when detecting
	shifts by scalars.

2019-01-18  Richard Earnshaw  <rearnsha@arm.com>

	PR target/88799
	* config/arm/arm-cpus.in (mp): New feature.
	(sec): New feature.
	(fgroup ARMv7ve): Add mp and sec features.
	(arch armv7-a): Add options to allow mp and sec extensions.
	(cpu generic-armv7-a): Add options to allow mp and sec extensions.
	(cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
	extenstions to the base architecture.
	(cpu cortex-a8): Add sec extension to the base architecture.
	(cpu marvell-pj4): Add mp and sec extensions to the base architecture.
	* config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
	variants down to the base v7-a varaint.
	* config/arm/t-multilib (v7_a_arch_variants): New variable.
	* doc/invoke.texi (ARM Options): Add +mp and +sec to the list
	of permitted extensions for -march=armv7-a and for
	-mcpu=generic-armv7-a.

2019-01-18  Martin Liska  <mliska@suse.cz>

	* params.def: Fix comment.
	* tree-profile.c (gimple_init_gcov_profiler): Bump function
	name.
	(gimple_gen_ic_func_profiler): Likewise.

2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
        * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
        and put in error checks for stack protector guard options.
        (aarch64_stack_protect_guard): New.
        (TARGET_STACK_PROTECT_GUARD): Define.
        * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
        (reg_stack_protect_address<mode>): New.
        (stack_protect_set): Adjust for SSP_GLOBAL.
        (stack_protect_test): Likewise.
        * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
        (-mstack-protector-guard): Likewise.
        (-mstack-protector-guard-offset): Likewise.

2019-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/86214
	* tree-inline.h (struct copy_body_data): Add
	add_clobbers_to_eh_landing_pads member.
	* tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
	(copy_edges_for_bb): Call it if EH edge destination is <
	id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
	(expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
	if flag_stack_reuse != SR_NONE and clear it afterwards.

2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/85596
	* doc/install.texi (with-multilib-list): Document for aarch64.

2019-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/88734
	* config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
	(("..."))) with ("...").

2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* doc/extend.texi (Built-in Functions for Memory Model Aware
	Atomic Operations): Document atomic fetch and nand.

2019-01-18  Martin Liska  <mliska@suse.cz>
	    Richard Biener  <rguenther@suse.de>

	PR middle-end/88587
	* cgraph.h (create_version_clone_with_body): Add new argument
	with attributes.
	* cgraphclones.c (cgraph_node::create_version_clone): Add
	DECL_ATTRIBUTES to a newly created decl.  And call
	valid_attribute_p so that proper cl_target_optimization_node
	is set for the newly created declaration.
	* multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
	for declaration.
	(expand_target_clones): Do not call valid_attribute_p, it must
	be already done.
	* tree-inline.c (copy_decl_for_dup_finish): Reset mode for
	vector types.

2019-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/88734
	* config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
	(("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
	arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.

2019-01-17  Martin Sebor  <msebor@redhat.com>

	PR middle-end/88273
	* gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
	Handle anti-ranges the same as no range at all.

2018-01-17  Steve Ellcey  <sellcey@cavium.com>

	* config/aarch64/aarch64.c (cgraph.h): New include.
	(intl.h): New include.
	(supported_simd_type): New function.
	(currently_supported_simd_type): Ditto.
	(aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
	(aarch64_simd_clone_adjust): Ditto.
	(aarch64_simd_clone_usable): Ditto.
	(TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
	(TARGET_SIMD_CLONE_ADJUST): Ditto.
	(TARGET_SIMD_CLONE_USABLE): Ditto.
	* config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
	* omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
	call.

2019-01-17  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/88800
	* gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
	NO_WARNING bit here.  Avoid folding out-of-bounds calls.
	* gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
	redundant argument.  Add new argument and issue diagnostics under
	its control.  Detect out-of-bounds access even with warnings
	disabled.
	(check_bounds_or_overlap): Change return type.  Add argument.
	(wrestrict_dom_walker::check_call): Adjust.
	* gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
	* tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
	check_bounds_or_overlap's return value.
	(handle_builtin_stxncpy): Same.
	(handle_builtin_strcat): Same.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	* doc/sourcebuild.texi: Document dg-add-options sqrt_insn.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>

	* doc/sourcebuild.texi: Document dg-require-effective-target
	llvm_binutils and offload_gcn.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	* doc/sourcebuild.texi: Document dg-required-effective-target
	exceptions.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Jan Hubicka  <hubicka@ucw.cz>
	    Martin Jambor  <mjambor@suse.cz>

	* config.gcc: Add amdgcn*-*-amdhsa configuration.
	* configure.ac: Check for dlopen.
	* configure: Regenerate.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Jan Hubicka  <hubicka@ucw.cz>
	    Martin Jambor  <mjambor@suse.cz>

	* common/config/gcn/gcn-common.c: New file.
	* config/gcn/driver-gcn.c: New file.
	* config/gcn/gcn-builtins.def: New file.
	* config/gcn/gcn-hsa.h: New file.
	* config/gcn/gcn-modes.def: New file.
	* config/gcn/gcn-opts.h: New file.
	* config/gcn/gcn-passes.def: New file.
	* config/gcn/gcn-protos.h: New file.
	* config/gcn/gcn-run.c: New file.
	* config/gcn/gcn-tree.c: New file.
	* config/gcn/gcn.c: New file.
	* config/gcn/gcn.h: New file.
	* config/gcn/gcn.opt: New file.
	* config/gcn/t-gcn-hsa: New file.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Jan Hubicka  <hubicka@ucw.cz>
	    Martin Jambor  <mjambor@suse.cz>

	* config/gcn/constraints.md: New file.
	* config/gcn/gcn-valu.md: New file.
	* config/gcn/gcn.md: New file.
	* config/gcn/predicates.md: New file.

2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
	flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
	(stmt_uses_0_or_null_in_undefined_way): Likewise.
	* tree-ssa-alias.c (same_addr_size_stores_p): Likewise.

2019-01-17  Tamar Christina  <tamar.christina@arm.com>

	PR target/88851
	* config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
	* config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
	it and document registers.

2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64.c (ares_tunings): Define.
	* config/aarch64/aarch64-cores.def (ares): Use the above.

2019-01-17  Wei Xiao  <wei3.xiao@intel.com>

	PR target/88794
	Revert:
	2018-11-06  Wei Xiao  <wei3.xiao@intel.com>

	* config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
	(_mm512_fixupimm_round_pd): Update parameters and builtin.
	(_mm512_maskz_fixupimm_round_pd): Ditto.
	(_mm512_fixupimm_round_ps): Ditto.
	(_mm512_maskz_fixupimm_round_ps): Ditto.
	(_mm_fixupimm_round_sd): Ditto.
	(_mm_maskz_fixupimm_round_sd): Ditto.
	(_mm_fixupimm_round_ss): Ditto.
	(_mm_maskz_fixupimm_round_ss): Ditto.
	(_mm512_fixupimm_pd): Ditto.
	(_mm512_maskz_fixupimm_pd): Ditto.
	(_mm512_fixupimm_ps): Ditto.
	(_mm512_maskz_fixupimm_ps): Ditto.
	(_mm_fixupimm_sd): Ditto.
	(_mm_maskz_fixupimm_sd): Ditto.
	(_mm_fixupimm_ss): Ditto.
	(_mm_maskz_fixupimm_ss): Ditto.
	(_mm512_mask_fixupimm_round_pd): Update builtin.
	(_mm512_mask_fixupimm_round_ps): Ditto.
	(_mm_mask_fixupimm_round_sd): Ditto.
	(_mm_mask_fixupimm_round_ss): Ditto.
	(_mm512_mask_fixupimm_pd): Ditto.
	(_mm512_mask_fixupimm_ps): Ditto.
	(_mm_mask_fixupimm_sd): Ditto.
	(_mm_mask_fixupimm_ss): Ditto.
	* config/i386/avx512vlintrin.h:
	(_mm256_fixupimm_pd): Update parameters and builtin.
	(_mm256_maskz_fixupimm_pd): Ditto.
	(_mm256_fixupimm_ps): Ditto.
	(_mm256_maskz_fixupimm_ps): Ditto.
	(_mm_fixupimm_pd): Ditto.
	(_mm_maskz_fixupimm_pd): Ditto.
	(_mm_fixupimm_ps): Ditto.
	(_mm_maskz_fixupimm_ps): Ditto.
	(_mm256_mask_fixupimm_pd): Update builtin.
	(_mm256_mask_fixupimm_ps): Ditto.
	(_mm_mask_fixupimm_pd): Ditto.
	(_mm_mask_fixupimm_ps): Ditto.
	* config/i386/i386-builtin-types.def: Add new types and remove useless ones.
	* config/i386/i386-builtin.def: Update builtin definitions.
	* config/i386/i386.c: Handle new builtin types and remove useless ones.
	* config/i386/sse.md: Update VFIXUPIMM* patterns.
	(<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
	(avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
	(avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
	* config/i386/subst.md:
	(round_saeonly_sd_mask_operand4): Add new subst_attr.
	(round_saeonly_sd_mask_op4): Ditto.
	(round_saeonly_expand_operand5): Ditto.
	(round_saeonly_expand): Update.

2019-01-17  Wei Xiao  <wei3.xiao@intel.com>

	PR target/88794
	Revert:
	2018-11-12  Wei Xiao  <wei3.xiao@intel.com>

	* config/i386/sse.md: Combine VFIXUPIMM* patterns
	(<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
	(avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
	(avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.

2019-01-17  Wei Xiao  <wei3.xiao@intel.com>

	PR target/88794
	Revert:
	2018-12-15  Jakub Jelinek  <jakub@redhat.com>

	PR target/88489
	* config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
	(avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
	instead of UNSPEC_FIXUPIMM.

2019-01-17  Richard Biener  <rguenther@suse.de>

	PR lto/86736
	* dwarf2out.c (want_pubnames): Never generate pubnames sections
	and friends for the LTO part of debug info.

2019-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/86214
	* cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
	if x == y.

	PR rtl-optimization/88870
	* dce.c (deletable_insn_p): Never delete const/pure calls that can
	throw if we can't alter the cfg or delete dead exceptions.
	(mark_insn): Don't call find_call_stack_args for such calls.

2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>

	* doc/extend.texi: Add four new prototypes for vec_ld and seven new
	prototypes for vec_st.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
	for scalar address type variants of altivec_vec_ld/altivec_vec_st,
	mainly on signed/unsigned long long and double.

2019-01-16  David Malcolm  <dmalcolm@redhat.com>

	PR target/88861
	* combine.c (delete_noop_moves): Convert to "bool" return,
	returning true if any edges are eliminated.
	(combine_instructions): Also return true if delete_noop_moves
	returns true.

2019-01-16  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
	correct max nunits for endian swap.
	(aarch64_expand_fcmla_builtin): Correct subreg code.
	* config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
	aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
	lane endianness.

2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_gimplify_va_arg):
	Handle split indirect COMPLEX_TYPE arguments.

2019-01-16  Richard Earnshaw  <rearnsha@arm.com>

	PR target/86891
	* config/aarch64/aarch64-modes.def: Add comment about how the carry
	bit is set by add and compare.
	(CC_ADC): New CC_MODE.
	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
	to cache the code and mode of X.  Adjust the shape of a CC_Cmode
	comparison.  Add detection for CC_ADCmode.
	(aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
	CC_ADCmode.
	* config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
	(uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
	(add<mode>3_compareC_cconly_imm): Delete.  Merge into...
	(add<mode>3_compareC_cconly): ... this.  Restructure the comparison
	to eliminate the need for zero-extending the operands.
	(add<mode>3_compareC_imm): Delete.  Merge into ...
	(add<mode>3_compareC): ... this.  Restructure the comparison to
	eliminate the need for zero-extending the operands.
	(add<mode>3_carryin): Use LTU for the overflow detection.
	(add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
	Reexpress comparison for overflow.
	(add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
	(add<mode>3_carryinC): Likewise.
	(add<mode>3_carryinV): Use LTU for carry between partials.
	* config/aarch64/predicates.md (aarch64_carry_operation): Update
	handling of CC_Cmode and add CC_ADCmode.
	(aarch64_borrow_operation): Likewise.

2019-01-16  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
	* config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
	* config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
	neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.

2019-01-16  Martin Liska  <mliska@suse.cz>

	* Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
	for GCC driver.
	* config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
	a new argument.
	* gcc.c (add_sysrooted_hdrs_prefix): New function.
	(path_prefix_reset): Move up in the source file.
	(find_fortran_preinclude_file): Make complex search for the
	fortran header files.

2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>

        * godump.c (go_output_typedef): When outputting a typedef, refer
	to the underlying type by its name and not its structure.

2019-01-15  David Malcolm  <dmalcolm@redhat.com>

	PR c++/88795
	* tree.c (build_function_type): Assert that arg_types is not
	error_mark_node.

2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>

	PR inline-asm/52813
	* doc/extend.texi: Document that listing the stack pointer in the
	clobber list of an asm is a deprecated feature.
	* common.opt (Wdeprecated): Moved from c-family/c.opt.
	* cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
	warning instead of an error for clobbers of the stack pointer.
	Add a note explaining why.

2019-01-15  Richard Biener  <rguenther@suse.de>

	PR debug/88046
	* dwarf2out.c (gen_member_die): Do not generate inheritance
	DIEs late.

2019-01-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88855
	* tree-if-conv.c (combine_blocks): Collect
	SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.

2019-01-15  Tom de Vries  <tdevries@suse.de>

	PR target/80547
	* config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
	lhs == NULL_TREE for gang-level reduction.

2019-01-15  Richard Biener  <rguenther@suse.de>
	    Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR ipa/88788
	* ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
	return true if SSA_NAME is already marked in visited bitmap.
	(malloc_candidate_p): Pass visited to malloc_candidate_p_1.

2019-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/88775
	* match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
	equal == 0 equality pointer comparisons some more if compared in
	integral types and either one points to an automatic var and the
	other to a global, or we can prove at least one points to the middle
	or both point to start or both point to end.

2019-01-14  Andi Kleen  <ak@linux.intel.com>

	* Makefile.in: Lower autofdo sampling rate by 10x.
	* Makefile.tpl: Dito.

2019-01-14  Tom Honermann  <tom@honermann.net>

	* defaults.h: Define CHAR8_TYPE.

2019-01-14  Martin Sebor  <msebor@redhat.com>

	PR target/88638
	* doc/extend.texi (Darwin Format Checks): Clarify.

2019-01-14  Richard Biener  <rguenther@suse.de>

	* genmatch.c (dt_simplify::gen_1): Change dumping dependent on
	whether we are in (simplify ...) or (match ...) context.

2019-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/88796
	* emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
	* cfgexpand.c (stack_protect_prologue): Initialize
	crtl->stack_protect_guard_decl.
	* function.c (stack_protect_epilogue): Use it instead of calling
	targetm.stack_protect_guard again.
	* dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
	MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
	crtl->stack_protect_guard_decl.
	* config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
	on the returned MEM_EXPR.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
	vector length using -fopenacc-dim.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
	lengths into account.

2019-01-12  Svante Signell  <svante.signell@gmail.com>

	* config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
	(TARGET_CAN_SPLIT_STACK): Define.
	(TARGET_THREAD_SPLIT_STACK_OFFSET): Define.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	* params.def (inline-unit-growth): Set to 40.

2019-01-12  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
	region calling vector-partitionable routine, set default_vector_length
	to WARP_SIZE.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
	variable default_vector_length.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	PR middle-end/88703
	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
	from oacc_default_dims, as oacc_validate_dims would do it, and apply
	dimensions limits.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
	(nvptx_goacc_validate_dims): Add used parameter.
	* doc/tm.texi: Regenerate.
	* omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
	argument to call to targetm.goacc.validate_dims.
	(default_goacc_validate_dims): Add used
	parameter.
	* target.def (validate_dims): Add used parameter in DEFHOOK.
	* targhooks.h (default_goacc_validate_dims): Add used parameter.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/85956
	PR lto/88733
	* tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
	field.
	* tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
	ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
	a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
	* omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.

2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/87305
	* lra-assigns.c
	(setup_live_pseudos_and_spill_after_risky_transforms): Add code
	for little endian pseudos used as paradoxical subreg.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/88693
	* tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
	for STRING_CSTs that don't contain any NUL characters in the first
	TREE_STRING_LENGTH bytes.

2019-01-11  Alan Modra  <amodra@gmail.com>

	PR 88777
	PR 88614
	* genattrtab.c (min_fn): Don't translate values.
	(min_attr_value): Return INT_MAX when the value can't be calculated.
	Return minimum among any values that can be calculated.
	(max_attr_value): Adjust.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).

2019-01-11  Steve Ellcey  <sellcey@marvell.com>

	* config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
	(aarch64_hard_regno_call_part_clobbered): Add insn argument.
	(aarch64_return_call_with_max_clobbers): New function.
	(TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
	* config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
	argument.
	* config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
	* config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
	* config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
	* config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
	* cselib.c (cselib_process_insn): Add argument to
	targetm.hard_regno_call_part_clobbered call.
	* ira-conflicts.c (ira_build_conflicts): Ditto.
	* ira-costs.c (ira_tune_allocno_costs): Ditto.
	* lra-constraints.c (inherit_reload_reg): Ditto.
	* lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
	* lra-lives.c (check_pseudos_live_through_calls): Add call_insn
	argument.  Call targetm.return_call_with_max_clobbers.
	Add argument to targetm.hard_regno_call_part_clobbered call.
	(calls_have_same_clobbers_p): New function.
	(process_bb_lives): Add call_insn and last_call_insn variables.
	Pass call_insn to check_pseudos_live_through_calls.
	Modify if stmt to check targetm.return_call_with_max_clobbers.
	Update setting of flush variable.
	(lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
	to false.
	* lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
	* regcprop.c (copyprop_hardreg_forward_1): Add argument to
        targetm.hard_regno_call_part_clobbered call.
	* reginfo.c (choose_hard_reg_mode): Ditto.
	* regrename.c (check_new_reg_p): Ditto.
	* reload.c (find_equiv_reg): Ditto.
	* reload1.c (emit_reload_insns): Ditto.
	* sched-deps.c (deps_analyze_insn): Ditto.
	* sel-sched.c (init_regs_for_mode): Ditto.
	(mark_unavailable_hard_regs): Ditto.
	* targhooks.c (default_dwarf_frame_reg_mode): Ditto.
	* target.def (hard_regno_call_part_clobbered): Add insn argument.
	(return_call_with_max_clobbers): New target function.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
	* hooks.c (hook_bool_uint_mode_false): Change to
	hook_bool_insn_uint_mode_false.
	* hooks.h (hook_bool_uint_mode_false): Ditto.

2019-01-11  Steve Ellcey  <sellcey@marvell.com>

	* config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
	(aarch64_remove_extra_call_preserved_regs): New function.
	(TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
	* doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
	* doc/tm.texi: Regenerate.
	* final.c (get_call_reg_set_usage): Call new hook.
	* target.def (remove_extra_call_preserved_regs): New hook.
	* targhooks.c (default_remove_extra_call_preserved_regs): New function.
	* targhooks.h (default_remove_extra_call_preserved_regs): New function.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/88714
	* passes.c (finish_optimization_passes): Call print_combine_total_stats
	inside of pass_combine_1 dump rather than pass_profile_1.

2019-01-11  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
	(PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
	(PTX_NUM_PER_WORKER_BARRIERS): Define.
	(nvptx_apply_dim_limits): Prevent vector_length 64 and
	num_workers 16.

2019-01-11  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.

2019-01-11  Jan Beulich  <jbeulich@suse.com>

	* config/i386/i386.md (rex64suffix): Add L suffix for SI.
	* config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
	sse2_cvtsi2sd): Add {l}.
	(sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
	syntax.

2019-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/88785
	* config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
	define_expand.
	(*float<floatunssuffix>v2div2sf2): New define_insn.
	(float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
	(*float<floatunssuffix>v2div2sf2_mask): New define_insn.
	(*float<floatunssuffix>v2div2sf2_mask_1): Replace
	subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
	match_operands with "const0_operand" "C".

2019-01-10  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.c
	(aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
	(aarch64_init_simd_builtins): ...Here

2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/87305
	* lra-assigns.c
	(setup_live_pseudos_and_spill_after_risky_transforms): Check
	allocation for big endian pseudos used as paradoxical subregs and
	spill them if it is wrong.
	* lra-constraints.c (lra_constraints): Add a comment.

2019-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88792
	* tree-ssa-pre.c (get_representative_for): Do not return a
	value-number here.

2019-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/84877
	PR bootstrap/88450
	* function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
	(assign_parm_setup_block): Do the argument slot realignment here
	instead.

2019-01-10  Stefan Agner  <stefan@agner.ch>

	PR target/88648
	* config/arm/arm.c (arm_option_override_internal): Force
	opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.

2019-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/88568
	* attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
	DECL_EXTERNAL.

2019-01-10  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm-builtins.c
	(enum arm_type_qualifiers): Add qualifier_lane_pair_index.
	(MAC_LANE_PAIR_QUALIFIERS): New.
	(arm_expand_builtin_args): Use it.
	(arm_expand_builtin_1): Likewise.
	* config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
	* config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
	* config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
	* config/arm/arm_neon.h:
	(vcadd_rot90_f16): New.
	(vcaddq_rot90_f16): New.
	(vcadd_rot270_f16): New.
	(vcaddq_rot270_f16): New.
	(vcmla_f16): New.
	(vcmlaq_f16): New.
	(vcmla_lane_f16): New.
	(vcmla_laneq_f16): New.
	(vcmlaq_lane_f16): New.
	(vcmlaq_laneq_f16): New.
	(vcmla_rot90_f16): New.
	(vcmlaq_rot90_f16): New.
	(vcmla_rot90_lane_f16): New.
	(vcmla_rot90_laneq_f16): New.
	(vcmlaq_rot90_lane_f16): New.
	(vcmlaq_rot90_laneq_f16): New.
	(vcmla_rot180_f16): New.
	(vcmlaq_rot180_f16): New.
	(vcmla_rot180_lane_f16): New.
	(vcmla_rot180_laneq_f16): New.
	(vcmlaq_rot180_lane_f16): New.
	(vcmlaq_rot180_laneq_f16): New.
	(vcmla_rot270_f16): New.
	(vcmlaq_rot270_f16): New.
	(vcmla_rot270_lane_f16): New.
	(vcmla_rot270_laneq_f16): New.
	(vcmlaq_rot270_lane_f16): New.
	(vcmlaq_rot270_laneq_f16): New.
	(vcadd_rot90_f32): New.
	(vcaddq_rot90_f32): New.
	(vcadd_rot270_f32): New.
	(vcaddq_rot270_f32): New.
	(vcmla_f32): New.
	(vcmlaq_f32): New.
	(vcmla_lane_f32): New.
	(vcmla_laneq_f32): New.
	(vcmlaq_lane_f32): New.
	(vcmlaq_laneq_f32): New.
	(vcmla_rot90_f32): New.
	(vcmlaq_rot90_f32): New.
	(vcmla_rot90_lane_f32): New.
	(vcmla_rot90_laneq_f32): New.
	(vcmlaq_rot90_lane_f32): New.
	(vcmlaq_rot90_laneq_f32): New.
	(vcmla_rot180_f32): New.
	(vcmlaq_rot180_f32): New.
	(vcmla_rot180_lane_f32): New.
	(vcmla_rot180_laneq_f32): New.
	(vcmlaq_rot180_lane_f32): New.
	(vcmlaq_rot180_laneq_f32): New.
	(vcmla_rot270_f32): New.
	(vcmlaq_rot270_f32): New.
	(vcmla_rot270_lane_f32): New.
	(vcmla_rot270_laneq_f32): New.
	(vcmlaq_rot270_lane_f32): New.
	(vcmlaq_rot270_laneq_f32): New.
	* config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
	vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180, vcmla_lane270,
	vcmla_laneq0, vcmla_laneq90, vcmla_laneq180, vcmla_laneq270,
	vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180, vcmlaq_lane270): New.
	* config/arm/neon.md (neon_vcmla_lane<rot><mode>,
	neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
	* config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
	* config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
	(arm_option_reconfigure_globals): Use them.
	* config/arm/iterators.md (VDF, VQ_HSF): New.
	(VCADD, VCMLA): New.
	(VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
	* config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>): New.
	* config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
	UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.

2019-01-10  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers): Add qualifier_lane_pair_index.
	(emit-rtl.h): Include.
	(TYPES_QUADOP_LANE_PAIR): New.
	(aarch64_simd_expand_args): Use it.
	(aarch64_simd_expand_builtin): Likewise.
	(AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum): New.
	(FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
	AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
	aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
	(aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
	(aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
	AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
 	AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
	AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
	AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
	* config/aarch64/iterators.md (FCMLA_maybe_lane): New.
	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add __ARM_FEATURE_COMPLEX.
	* config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0, fcmla90,
	fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180, fcmla_lane270,
	fcmla_laneq0, fcmla_laneq90, fcmla_laneq180, fcmla_laneq270,
	fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180, fcmlaq_lane270): New.
	* config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
	aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,aarch64_fcadd<rot><mode>,
	aarch64_fcmla<rot><mode>): New.
	* config/aarch64/arm_neon.h:
	(vcadd_rot90_f16): New.
	(vcaddq_rot90_f16): New.
	(vcadd_rot270_f16): New.
	(vcaddq_rot270_f16): New.
	(vcmla_f16): New.
	(vcmlaq_f16): New.
	(vcmla_lane_f16): New.
	(vcmla_laneq_f16): New.
	(vcmlaq_lane_f16): New.
	(vcmlaq_rot90_lane_f16): New.
	(vcmla_rot90_laneq_f16): New.
	(vcmla_rot90_lane_f16): New.
	(vcmlaq_rot90_f16): New.
	(vcmla_rot90_f16): New.
	(vcmlaq_laneq_f16): New.
	(vcmla_rot180_laneq_f16): New.
	(vcmla_rot180_lane_f16): New.
	(vcmlaq_rot180_f16): New.
	(vcmla_rot180_f16): New.
	(vcmlaq_rot90_laneq_f16): New.
	(vcmlaq_rot270_laneq_f16): New.
	(vcmlaq_rot270_lane_f16): New.
	(vcmla_rot270_laneq_f16): New.
	(vcmlaq_rot270_f16): New.
	(vcmla_rot270_f16): New.
	(vcmlaq_rot180_laneq_f16): New.
	(vcmlaq_rot180_lane_f16): New.
	(vcmla_rot270_lane_f16): New.
	(vcadd_rot90_f32): New.
	(vcaddq_rot90_f32): New.
	(vcaddq_rot90_f64): New.
	(vcadd_rot270_f32): New.
	(vcaddq_rot270_f32): New.
	(vcaddq_rot270_f64): New.
	(vcmla_f32): New.
	(vcmlaq_f32): New.
	(vcmlaq_f64): New.
	(vcmla_lane_f32): New.
	(vcmla_laneq_f32): New.
	(vcmlaq_lane_f32): New.
	(vcmlaq_laneq_f32): New.
	(vcmla_rot90_f32): New.
	(vcmlaq_rot90_f32): New.
	(vcmlaq_rot90_f64): New.
	(vcmla_rot90_lane_f32): New.
	(vcmla_rot90_laneq_f32): New.
	(vcmlaq_rot90_lane_f32): New.
	(vcmlaq_rot90_laneq_f32): New.
	(vcmla_rot180_f32): New.
	(vcmlaq_rot180_f32): New.
	(vcmlaq_rot180_f64): New.
	(vcmla_rot180_lane_f32): New.
	(vcmla_rot180_laneq_f32): New.
	(vcmlaq_rot180_lane_f32): New.
	(vcmlaq_rot180_laneq_f32): New.
	(vcmla_rot270_f32): New.
	(vcmlaq_rot270_f32): New.
	(vcmlaq_rot270_f64): New.
	(vcmla_rot270_lane_f32): New.
	(vcmla_rot270_laneq_f32): New.
	(vcmlaq_rot270_lane_f32): New.
	(vcmlaq_rot270_laneq_f32): New.
	* config/aarch64/aarch64.h (TARGET_COMPLEX): New.
	* config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
	UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
	(FCADD, FCMLA): New.
	(rot): New.
	* config/arm/types.md (neon_fcadd, neon_fcmla): New.

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615

	* config/pa/pa.c: Change "can not" to "cannot".
	* gimple-ssa-evrp-analyze.c: Likewise.
	* ipa-icf.c: Likewise.
	* ipa-polymorphic-call.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* lra-constraints.c: Likewise.
	* lra-remat.c: Likewise.
	* reload1.c: Likewise.
	* reorg.c: Likewise.
	* tree-ssa-uninit.c: Likewise.

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615

	* Makefile.in: Mechanically replace "can not" with "cannot".
	* alias.c: Likewise.
	* builtins.c: Likewise.
	* calls.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* cgraphclones.c: Likewise.
	* cgraphunit.c: Likewise.
	* combine-stack-adj.c: Likewise.
	* combine.c: Likewise.
	* common/config/i386/i386-common.c: Likewise.
	* config/aarch64/aarch64.c: Likewise.
	* config/alpha/sync.md: Likewise.
	* config/arc/arc.c: Likewise.
	* config/arc/predicates.md: Likewise.
	* config/arm/arm-c.c: Likewise.
	* config/arm/arm.c: Likewise.
	* config/arm/arm.h: Likewise.
	* config/arm/arm.md: Likewise.
	* config/arm/cortex-r4f.md: Likewise.
	* config/csky/csky.c: Likewise.
	* config/csky/csky.h: Likewise.
	* config/darwin-f.c: Likewise.
	* config/epiphany/epiphany.md: Likewise.
	* config/i386/i386.c: Likewise.
	* config/i386/sol2.h: Likewise.
	* config/m68k/m68k.c: Likewise.
	* config/mcore/mcore.h: Likewise.
	* config/microblaze/microblaze.md: Likewise.
	* config/mips/20kc.md: Likewise.
	* config/mips/sb1.md: Likewise.
	* config/nds32/nds32.c: Likewise.
	* config/nds32/predicates.md: Likewise.
	* config/pa/pa.c: Likewise.
	* config/rs6000/e300c2c3.md: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/s390/s390.h: Likewise.
	* config/sh/sh.c: Likewise.
	* config/sh/sh.md: Likewise.
	* config/spu/vmx2spu.h: Likewise.
	* cprop.c: Likewise.
	* dbxout.c: Likewise.
	* df-scan.c: Likewise.
	* doc/cfg.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/fragments.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/lto.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/objc.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/tm.texi: Likewise.
	* dse.c: Likewise.
	* emit-rtl.c: Likewise.
	* emit-rtl.h: Likewise.
	* except.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fold-const.c: Likewise.
	* genautomata.c: Likewise.
	* gimple-fold.c: Likewise.
	* hard-reg-set.h: Likewise.
	* ifcvt.c: Likewise.
	* ipa-comdats.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-devirt.c: Likewise.
	* ipa-fnsummary.c: Likewise.
	* ipa-icf.c: Likewise.
	* ipa-inline-transform.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-polymorphic-call.c: Likewise.
	* ipa-profile.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-reference.c: Likewise.
	* ipa-split.c: Likewise.
	* ipa-visibility.c: Likewise.
	* ipa.c: Likewise.
	* ira-build.c: Likewise.
	* ira-color.c: Likewise.
	* ira-conflicts.c: Likewise.
	* ira-costs.c: Likewise.
	* ira-int.h: Likewise.
	* ira-lives.c: Likewise.
	* ira.c: Likewise.
	* ira.h: Likewise.
	* loop-invariant.c: Likewise.
	* loop-unroll.c: Likewise.
	* lower-subreg.c: Likewise.
	* lra-assigns.c: Likewise.
	* lra-constraints.c: Likewise.
	* lra-eliminations.c: Likewise.
	* lra-lives.c: Likewise.
	* lra-remat.c: Likewise.
	* lra-spills.c: Likewise.
	* lra.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-streamer-out.c: Likewise.
	* postreload-gcse.c: Likewise.
	* predict.c: Likewise.
	* profile-count.h: Likewise.
	* profile.c: Likewise.
	* recog.c: Likewise.
	* ree.c: Likewise.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* rtl.def: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-ebb.c: Likewise.
	* sched-rgn.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched.c: Likewise.
	* shrink-wrap.c: Likewise.
	* simplify-rtx.c: Likewise.
	* symtab.c: Likewise.
	* target.def: Likewise.
	* toplev.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-complex.c: Likewise.
	* tree-core.h: Likewise.
	* tree-eh.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-nrv.c: Likewise.
	* tree-profile.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-phionlycprop.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-uninit.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-streamer-out.c: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* vr-values.c: Likewise.

2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
	(ix86_split_xorsign): Ditto.
	* config/i386/i386.c (ix86_expand_xorsign): New function.
	(ix86_split_xorsign): Ditto.
	* config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
	(xorsign<mode>3): New expander.
	(xorsign<mode>3_1): New insn_and_split pattern.
	* config/i386/sse.md (xorsign<mode>3): New expander.

2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.md (*tablejump_sp32): Merge into...
	(*tablejump_sp64): Likewise.
	(*tablejump<P:mode>): ...this.
	(*call_address_sp32): Merge into...
	(*call_address_sp64): Likewise.
	(*call_address<P:mode>): ...this.
	(*call_symbolic_sp32): Merge into...
	(*call_symbolic_sp64): Likewise.
	(*call_symbolic<P:mode>): ...this.
	(call_value): Remove constraint and add predicate.
	(*call_value_address_sp32): Merge into...
	(*call_value_address_sp64): Likewise.
	(*call_value_address<P:mode>): ...this.
	(*call_value_symbolic_sp32): Merge into...
	(*call_value_symbolic_sp64): Likewise.
	(*call_value_symbolic<P:mode>): ...this.
	(*sibcall_symbolic_sp32): Merge into...
	(*sibcall_symbolic_sp64): Likewise.
	(*sibcall_symbolic<P:mode>): ...this.
	(sibcall_value): Remove constraint and add predicate.
	(*sibcall_value_symbolic_sp32): Merge into...
	(*sibcall_value_symbolic_sp64): Likewise.
	(*sibcall_value_symbolic<P:mode>): ...this.
	(window_save): Minor tweak.
	(*branch_sp32): Merge into...
	(*branch_sp64): Likewise.
	(*branch<P:mode>): ...this.

2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
            James Clarke  <jrtc27@jrtc27.com>

	PR target/84010
	* config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
	consistently in TLS address generation and adjust code to the renaming
	of patterns.  Mark calls to __tls_get_addr as const.
	* config/sparc/sparc.md (tgd_hi22): Turn into...
	(tgd_hi22<P:mode>): ...this and use Pmode throughout.
	(tgd_lo10): Turn into...
	(tgd_lo10<P:mode>): ...this and use Pmode throughout.
	(tgd_add32): Merge into...
	(tgd_add64): Likewise.
	(tgd_add<P:mode>): ...this and use Pmode throughout.
	(tldm_hi22): Turn into...
	(tldm_hi22<P:mode>): ...this and use Pmode throughout.
	(tldm_lo10): Turn into...
	(tldm_lo10<P:mode>): ...this and use Pmode throughout.
	(tldm_add32): Merge into...
	(tldm_add64): Likewise.
	(tldm_add<P:mode>): ...this and use Pmode throughout.
	(tldm_call32): Merge into...
	(tldm_call64): Likewise.
	(tldm_call<P:mode>): ...this and use Pmode throughout.
	(tldo_hix22): Turn into...
	(tldo_hix22<P:mode>): ...this and use Pmode throughout.
	(tldo_lox10): Turn into...
	(tldo_lox10<P:mode>): ...this and use Pmode throughout.
	(tldo_add32): Merge into...
	(tldo_add64): Likewise.
	(tldo_add<P:mode>): ...this and use Pmode throughout.
	(tie_hi22): Turn into...
	(tie_hi22<P:mode>): ...this and use Pmode throughout.
	(tie_lo10): Turn into...
	(tie_lo10<P:mode>): ...this and use Pmode throughout.
	(tie_ld64): Use DImode throughout.
	(tie_add32): Merge into...
	(tie_add64): Likewise.
	(tie_add<P:mode>): ...this and use Pmode throughout.
	(tle_hix22_sp32): Merge into...
	(tle_hix22_sp64): Likewise.
	(tle_hix22<P:mode>): ...this and use Pmode throughout.
	(tle_lox22_sp32): Merge into...
	(tle_lox22_sp64): Likewise.
	(tle_lox22<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub_sp32): Merge into...
	(*tldo_ldub_sp64): Likewise.
	(*tldo_ldub<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub1_sp32): Merge into...
	(*tldo_ldub1_sp64): Likewise.
	(*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub2_sp32): Merge into...
	(*tldo_ldub2_sp64): Likewise.
	(*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsb1_sp32): Merge into...
	(*tldo_ldsb1_sp64): Likewise.
	(*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsb2_sp32): Merge into...
	(*tldo_ldsb2_sp64): Likewise.
	(*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub3_sp64): Use DImode throughout.
	(*tldo_ldsb3_sp64): Likewise.
	(*tldo_lduh_sp32): Merge into...
	(*tldo_lduh_sp64): Likewise.
	(*tldo_lduh<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduh1_sp32): Merge into...
	(*tldo_lduh1_sp64): Likewise.
	(*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsh1_sp32): Merge into...
	(*tldo_ldsh1_sp64): Likewise.
	(*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduh2_sp64): Use DImode throughout.
	(*tldo_ldsh2_sp64): Likewise.
	(*tldo_lduw_sp32): Merge into...
	(*tldo_lduw_sp64): Likewise.
	(*tldo_lduw<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduw1_sp64): Use DImode throughout.
	(*tldo_ldsw1_sp64): Likewise.
	(*tldo_ldx_sp64): Likewise.
	(*tldo_stb_sp32): Merge into...
	(*tldo_stb_sp64): Likewise.
	(*tldo_stb<P:mode>): ...this and use Pmode throughout.
	(*tldo_sth_sp32): Merge into...
	(*tldo_sth_sp64): Likewise.
	(*tldo_sth<P:mode>): ...this and use Pmode throughout.
	(*tldo_stw_sp32): Merge into...
	(*tldo_stw_sp64): Likewise.
	(*tldo_stw<P:mode>): ...this and use Pmode throughout.
	(*tldo_stx_sp64): Use DImode throughout.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64.c (aarch64_override_options): Add case to
	check configure option to set BTI and Return Address Signing.
	* configure.ac: Add --enable-standard-branch-protection and
	--disable-standard-branch-protection.
	* configure: Regenerated.
	* doc/install.texi: Document the same.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
	* config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
	* config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
	if bti is enabled.
	* config/aarch64/aarch64-bti-insert.c: New file.
	* config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
	pass.
	* config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
	new bti pass.
	* config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
	UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
	(bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
	* config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
	* config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
	Disable bti for -mbranch-protection=none.
	(aarch64_handle_standard_branch_protection): Enable bti for
	-mbranch-protection=standard.
	(aarch64_handle_bti_protection): Enable bti for "bti" in the string to
	-mbranch-protection.
	(aarch64_bti_enabled): Check if bti is enabled.
	* config/aarch64/aarch64.opt: Declare target variable.
	* doc/invoke.texi: Add bti to the -mbranch-protection documentation.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
	epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
	(aarch64_expand_epilogue): Likewise.
	(aarch64_output_mi_thunk): Likewise
	* config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
	TAILCALL_ADDR_REGS to x16 and x17.
	* config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64-option-extensions.def: Define
	AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
	* config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
	(AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
	(AARCH64_FL_PREDRES): New.
	(AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
	AARCH64_FL_PREDRES by default.
	* doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
	ARMv8.5-A.
	* config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
	(AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
	* doc/invoke.texi: Document ARMv8.5-A.

2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>

	* config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
	(xorsign<mode>3): Likewise.

2019-01-09  Jelinek  <jakub@redhat.com>

	PR middle-end/88758
	* tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
	vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.

	PR rtl-optimization/88331
	* function.c (assign_stack_local_1): Don't set dynamic_align_addr if
	not currently_expanding_to_rtl.

2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (-Os): Remove trailing spaces.
	(-finline-functions): Remove reference to -O2.

2019-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79593
	* config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.

	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
	UNSPEC_FUSION_GPR to its argument.  Formatting fixes.

2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>

	PR bootstrap/88721
	* config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
	to -1 on entry.

	PR debug/88723
	* config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
	UNSPECs and UNSPEC_MOVE_GOTDATA specifically.

2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/88717
	* config/i386/i386.c (ix86_avx_u128_mode_exit): Call
	ix86_avx_u128_mode_entry.

2019-01-08  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/88753
	* tree-switch-conversion.c (switch_conversion::build_one_array):
	Come up with local variable constructor.  Convert first to
	type of constructor values.

2019-01-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/86554
	* tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
	rpo_avail): Move earlier.
	(visit_nary_op): When value-numbering to expressions
	with different overflow behavior make sure there's an
	available expression on the path.

2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>

	* config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
	aarch64_parse_branch_protection,
	struct aarch64_branch_protect_type,
	aarch64_handle_no_branch_protection,
	aarch64_handle_standard_branch_protection,
	aarch64_validate_mbranch_protection,
	aarch64_handle_pac_ret_protection,
	aarch64_handle_attr_branch_protection,
	accepted_branch_protection_string,
	aarch64_pac_ret_subtypes,
	aarch64_branch_protect_types,
	aarch64_handle_pac_ret_leaf): Define.
	(aarch64_override_options_after_change_1, aarch64_override_options):
	Add check for accepted_branch_protection_string.
	(aarch64_option_save): Save accepted_branch_protection_string.
	(aarch64_option_restore): Save accepted_branch_protection_string.
	* config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
	* config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
	msign-return-address.
	* doc/invoke.texi: Add mbranch-protection.

2019-01-08  Alan Modra  <amodra@gmail.com>

	PR target/88614
	* genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
	Delete "unknownp" parameter.  Adjust callers.  Handle
	CONST_INT, PLUS, MINUS, and MULT.
	(attr_value_aligned): Renamed from or_attr_value.
	(min_attr_value): Return INT_MIN for unhandled rtl case..
	(min_fn): ..and translate to INT_MAX here.
	(write_length_unit_log): Modify to cope without "unknown".
	(write_attr_value): Handle IF_THEN_ELSE.

2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
	optimization for masked stores.

2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR middle-end/88567
	* tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
	output vector directly to duplicate_and_interleave instead of
	going through a temporary.  Postpone insertion of ctor_seq to
	the end of the loop.

2019-01-07  Richard Earnshaw  <rearnsha@arm.com>

	PR target/86891
	* config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
	unsigned_p.  Handle signed and unsigned overflow correction as
	required.
	* config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
	prototype.
	* config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
	for operand 2.
	(add<mode>3_compareV_imm): Make this callable for expanding.
	(subv<GPI:mode>4): Use register_operand for operand 1.  Use
	aarch64_plus_operand for operand 2.
	(subv<GPI:mode>_insn): New insn pattern.
	(subv<GPI:mode>_imm): Likewise.
	(negv<GPI:mode>3): New expand pattern.
	(negv<GPI:mode>_insn): New insn pattern.
	(negv<GPI:mode>_cmp_only): Likewise.
	(cmpv<GPI:mode>_insn): Likewise.
	(subvti4): Use register_operand for operand 1.  Update call to
	aarch64_expand_subvti.
	(usubvti4): Likewise.
	(negvti3): New expand pattern.
	(negdi_carryout): New insn pattern.
	(negvdi_carryinV): New insn pattern.
	(sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
	version the named version.
	(peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
	operands.
	(usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
	patterns.
	(usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
	patterns.
	(sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
	(sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
	(sub<mode>3_carryinCV): Delete.
	(sub<GPI:mode>3_carryinV): New expand pattern.
	sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.

2019-01-07  Richard Biener  <rguenther@suse.de>

	* tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
	of tree_operand_hash.

2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/88598
	* tree.h (single_nonzero_element): Declare.
	* tree.c (single_nonzero_element): New function.
	* match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
	if I is the only nonzero element of CST.

2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/88598
	* tree.h (initializer_each_zero_or_onep): Declare.
	* tree.c (initializer_each_zero_or_onep): New function.
	(signed_or_unsigned_type_for): Handle float types too.
	(unsigned_type_for, signed_type_for): Update comments accordingly.
	* match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
	x & { 0 or -1, 0 or -1, ... }.

2019-01-07  Jonathan Wakely  <jwakely@redhat.com>

	* doc/install.texi: Replace references to x86_64-unknown-linux-gnu
	with x86_64-pc-linux-gnu.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	PR target/85486
	* config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
	function.
	(nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
	routines.

2019-01-07  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
	V_256_512 iterator instead of V_512 and TARGET_AVX instead of
	TARGET_AVX512F as condition.

	PR debug/88723
	* dwarf2out.c (const_ok_for_output_1): Remove redundant call to
	const_not_ok_for_debug_p target hook.
	(mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
	on UNSPEC and subexpressions thereof if all subexpressions of the
	UNSPEC are CONSTANT_P.

	PR tree-optimization/88676
	* tree-ssa-phiopt.c (two_value_replacement): New function.
	(tree_ssa_phiopt_worker): Call it.

	PR sanitizer/88619
	* cfgexpand.c (expand_stack_vars): Only align prev_offset to
	ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.

	PR c++/85052
	* tree-vect-generic.c: Include insn-config.h and recog.h.
	(expand_vector_piecewise): Add defaulted ret_type argument,
	if non-NULL, use that in preference to type for the result type.
	(expand_vector_parallel): Formatting fix.
	(do_vec_conversion, do_vec_narrowing_conversion,
	expand_vector_conversion): New functions.
	(expand_vector_operations_1): Call expand_vector_conversion
	for VEC_CONVERT ifn calls.
	* internal-fn.def (VEC_CONVERT): New internal function.
	* internal-fn.c (expand_VEC_CONVERT): New function.
	* fold-const-call.c (fold_const_vec_convert): New function.
	(fold_const_call): Use it for CFN_VEC_CONVERT.
	* doc/extend.texi (__builtin_convertvector): Document.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
	* config/nvptx/nvptx.c (vector_red_size, vector_red_align,
	vector_red_partition, vector_red_sym): New global variables.
	(nvptx_option_override): Initialize vector_red_sym.
	(nvptx_declare_function_name): Restore red_partition register.
	(nvptx_file_end): Emit code to declare the vector reduction variables.
	(nvptx_output_red_partition): New function.
	(nvptx_expand_shared_addr): Add vector argument. Use it to handle
	large vector reductions.
	(enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
	(nvptx_init_builtins): Add VECTOR_ADDR.
	(nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
	Handle nvptx_expand_shared_addr.
	(nvptx_get_shared_red_addr): Add vector argument and handle large
	vectors.
	(nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
	large vectors.
	(nvptx_goacc_reduction_init): Likewise.
	(nvptx_goacc_reduction_fini): Likewise.
	(nvptx_goacc_reduction_teardown): Likewise.
	(nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
	init,fini,teardown}.
	(nvptx_init_axis_predicate): Initialize vector_red_partition.
	(nvptx_set_current_function): Init vector_red_partition.
	* config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
	(nvptx_red_partition): New insn.
	* config/nvptx/nvptx.h (struct machine_function): Add red_partition.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	PR target/85381
	* config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
	empty loops.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
	(nvptx_option_override): Init oacc_bcast_partition.
	(nvptx_init_oacc_workers): New function.
	(nvptx_declare_function_name): Call nvptx_init_oacc_workers.
	(nvptx_needs_shared_bcast): New function.
	(nvptx_find_par): Generalize to enable vectors to use shared-memory
	to propagate state.
	(nvptx_shared_propagate): Initialize vector bcast partition and
	synchronization state.
	(nvptx_single):  Generalize to enable vectors to use shared-memory
	to propagate state.
	(nvptx_process_pars): Likewise.
	(nvptx_set_current_function): Initialize oacc_broadcast_partition.
	* config/nvptx/nvptx.h (struct machine_function): Add
	bcast_partition and sync_bar members.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
	(nvptx_apply_dim_limits): New function.
	(nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
	PTX_WARP_SIZE.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
	as late as possible.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
	(PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
	(nvptx_goacc_validate_dims_1, nvptx_dim_limit)
	(nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
	PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.

2019-01-07  Tom de Vries  <tdevries@suse.de>

	* omp-offload.c (oacc_get_min_dim): New function.
	* omp-offload.h (oacc_get_min_dim): Declare.

2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>

	PR target/88521
	* config/i386/i386.c (function_value_ms_64): Return small sturct in
	AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	PR tree-opt/86020
	Revert:
	2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
	
        * ipa-inline.c (edge_badness): Use inlined_time instead of
        inline_summaries->get.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	* opts.c (enable_fdo_optimizations): Enable
	version-loops-for-strides, loop-interchange, unrol-and-jam
	and tree-loop-distribution.
	* invoke.texi: Document newly enabled options.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	* doc/invoke.texi (max-inline-insns-small): New parameters.
	* ipa-inline.c (want_early_inline_function_p): simplify.
	(want_inline_small_function_p): Fix pasto from previous patch;
	use max-inline-insns-small bound.
	* params.def (max-inline-insns-small): New param.
	* ipa-fnsummary.c (analyze_function_body): Initialize time/size
	variables correctly.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	* doc/invoke.texi: Document max-inline-insns-size,
	uninlined-function-insns, uninlined-function-time,
	uninlined-thunk-insns and uninlined-thunk-time.
	* params.def: Add max-inline-insns-size,
	uninlined-function-insns, uninlined-function-time,
	uninlined-thunk-insns and uninlined-thunk-time.
	* ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
	new parameters.
	* ipa-inline.c (can_inline_edge_by_limits_p,
	want_inline_small_function_p): Use new parameters.

2019-01-05  Jan Hubicka  <hubicka@ucw.cz>

	* ipa-fnsummary.c (analyze_function_body): Fix accounting of time.

2019-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/82564
	PR target/88620
	* expr.c (expand_assignment): For calls returning VLA structures
	if to_rtx is not a MEM, force it into a stack temporary.

	PR debug/88635
	* dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
	SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
	Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
	subexpressions of both operands.
	(mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
	subrtxes are CONSTANT_P.
	* config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
	2018-11-09 changes.

2019-01-04  Jan Hubicka  <hubicka@ucw.cz>

	* params.def (hot-bb-count-ws-permille): Set to 990.

2019-01-04  Martin Sebor  <msebor@redhat.com>

	PR c/88546
	* attribs.c (decls_mismatched_attributes): Avoid warning for attribute
	leaf.

2019-01-04  Martin Sebor  <msebor@redhat.com>

	PR c/88363
	* doc/extend.texi (attribute alloc_align, alloc_size): Update.

2019-01-04  Jakub Jelinek  <jakub@redhat.com>

	* gdbinit.in: Turn off pagination for the skip commands, restore
	it to previous state afterwards.

2019-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/88594
	* config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
	of GET_MODE (opN) as modes of the libcall arguments.

2019-01-04  Jan Beulich  <jbeulich@suse.com>

	* config/i386/sse.md
	(<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
	<avx512>_cmp<mode>3<mask_scalar_merge_name>,
	<avx512>_ucmp<mode>3<mask_scalar_merge_name>,
	<avx512>_ucmp<mode>3<mask_scalar_merge_name>,
	avx512f_vmcmp<mode>3<round_saeonly_name>,
	avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
	avx512f_maskcmp<mode>3,
	<avx512>_cvt<ssemodesuffix>2mask<mode>,
	<avx512>_cvt<ssemodesuffix>2mask<mode>,
	*<avx512>_cvtmask2<ssemodesuffix><mode>,
	*<avx512>_cvtmask2<ssemodesuffix><mode>,
	<avx512>_eq<mode>3<mask_scalar_merge_name>_1,
	<avx512>_eq<mode>3<mask_scalar_merge_name>_1,
	<avx512>_gt<mode>3<mask_scalar_merge_name>,
	<avx512>_gt<mode>3<mask_scalar_merge_name>,
	<avx512>_testm<mode>3<mask_scalar_merge_name>,
	<avx512>_testnm<mode>3<mask_scalar_merge_name>,
	*<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
	*<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
	*<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
	*<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
	avx512cd_maskb_vec_dup<mode>,
	avx512cd_maskw_vec_dup<mode>,
	avx512dq_fpclass<mode><mask_scalar_merge_name>,
	avx512dq_vmfpclass<mode>,
	avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
	instead of =Yk.

2019-01-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/88659
	* calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.

2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>

	* config/rs6000/rs6000-string.c (expand_block_move): Don't use
	unaligned vsx and avoid lxvd2x/stxvd2x.
	(gen_lvx_v4si_move): New function.

2019-01-03  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
	(init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
	function.
	* config/nvptx/nvptx.h (struct machine_function): Add axis_dims.

2019-01-03  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (struct offload_attrs): New.
	(populate_offload_attrs): New function.  Factor mask extraction out of
	nvptx_reorg.  Add extraction of dimensions.
	(nvptx_reorg): Use populate_offload_attrs.

2019-01-03  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
	cases for oacc_min_dims_p and routine_p.  Add asserts for
	oacc_default_dims_p and offload_region_p.

2019-01-03  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
	factored out of ...
	(nvptx_goacc_validate_dims): ... here.

2019-01-03  Jan Hubicka  <hubicka@ucw.cz>

	PR tree-optimization/85574
	* tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
	structure.
	(struct ssa_equip_hash_traits): Declare.
	(val_ssa_equiv): Use custom hash traits using operand_equal_p.

2019-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/88644
	* dwarf2out.c (modified_type_die): If type is equal to sizetype,
	change it to qualified_type.

2019-01-03  Jan Hubicka  <hubicka@ucw.cz>

	* ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
	(ipa_merge_profiles): ... here; do not ICE on thunks and aliases.

2019-01-02  Martin Sebor  <msebor@redhat.com>
            Jeff Law  <law@redhat.com>

	* gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
	(get_range_strlen_tree): Update appropriately.
	(get_range_strlen)
	* gimple-fold.h (get_range_strlen): Drop unused last argument.

	* gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
	rather than set_range_info.
	* tree-ssa-strlen.c (set_strlen_range): Extracted from
	maybe_set_strlen_range.  Handle potentially boundary crossing
	cases more conservatively.
	(maybe_set_strlen_range): Parts refactored into set_strlen_range.
	Call set_strlen_range.
	* tree-ssa-strlen.h (set_strlen_range): Add prototype.

	PR middle-end/88663
	* gimple-fold.c (get_range_strlen): Update prototype to no longer
	need the flexp argument.
	(get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
	from calls to get_range_strlen.  Update comments.  Just update
	VAL for an unterminated const char array and let the reset of the
	code handle it normally.  No longer try to set *flexp.  Adjust
	return value.
	(get_range_strlen): Update for the new get_range_strlen API.
	(get_maxval_strlen): Similarly.
	(gimple_fold_builtin_strlen): Handle update meaning of return value
	from get_range_strlen.
	* gimple-ssa-sprintf.c (get_string_length): Update for the new
	get_range_strlen API.

2019-01-02  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/88130
	* varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
	false at WPA time when body was removed.

2019-01-02  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/88650
	* predict.c (set_even_probabilities): Calculate probability
	remainer only when really used.

2019-01-02  Richard Biener  <rguenther@suse.de>

	PR middle-end/88651
	* tree-data-ref.c (analyze_subscript_affine_affine): Use
	widest_ints when mangling max_stmt_execution results.

2019-01-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88621
	* tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
	bitfields when canoncalizing.

2019-01-02  Richard Biener  <rguenther@suse.de>

	PR target/87545
	* config/i386/x86-tune-costs.h (intel_cost): Adjust
	cost of cheap SSE instruction.

2019-01-02  Richard Biener  <rguenther@suse.de>

	PR ipa/85574
	* ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
	* ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
	function.
	(sem_item_optimizer::do_congruence_step_f): Sort the congruence
	set after UIDs before splitting them.

2019-01-01  Martin Sebor  <msebor@redhat.com>
            Jeff Law  <law@redhat.com>

	* gimple-fold.c (get_range_strlen_tree): Record if the computed
	length is optimistic.  If it is, then arrange to compute the
	conservative length as well.

	* gimple-fold.h (get_range_strlen): Update prototype.
	* builtins.c (check_access): Update call to get_range_strlen to use
	c_strlen_data pointer.   Change various variable accesses to instead
	pull data from the c_strlen_data structure.
	(check_strncat_sizes, expand_builtin_strncat): Likewise.
	* calls.c (maybe_warn_nonstring_arg): Likewise.
	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
	minimum length if maximum lengh is unknown.
	* gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
	that used c_strlen, it's no longer needed.  Restructure slightly.
	(format_string): Set unlikely range appropriately.
	* gimple-fold.c (get_range_strlen): Update comments.  Fix minor
	formatting issues.
	(get_range_strlen):  Accept c_strlen_data pointer for external
	call sites as well.  Pass through to call to internal get_range_strlen.
	Adjust minlen, maxlen and maxbound as needed.
	(get_maxval_strlen): Update comments.
	(gimple_fold_builtin_strlen):  Update call to get_range_strlen
	to use c_strlen_data pointer.  Change variable accesses to instead
	use c_strlen_data data members.

	* gimple-fold.c (get_range_strlen): Update prototype.
	(get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
	local variables.  Use pdata to return information to caller.
	Update calls to get_range_strlen.  Update pdata->maxbound.
	(get_range_strlen -- static version): Similarly.
	(get_range_strlen -- extern version): Update for internal
	get_range_strlen API change.  Convert to external data format.
	(get_maxval_strlen): Similarly.

2019-01-01  Jan Hubicka  <hubicka@ucw.cz>

	* coverage.c (get_coverage_counts): Use current_function_decl.
	* profile.c (read_thunk_profile): New function.
	(branch_prob): Add THUNK parameter.
	* tree-profile.c (tree_profiling): Handle thunks.
	* value-prof.c (init_node_map): Handle thunks.
	* value-prof.h (branch_prob): Upate prototype.
	(read_thunk_profile): Declare.

2019-01-01  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.

Copyright (C) 2019 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.