path: root/gcc/ChangeLog

2023-02-10  Vladimir N. Makarov  <vmakarov@redhat.com>

	* ira.cc (update_equiv_regs): Set up ira_reg_equiv for
	valid_combine only when ira_use_lra_p is true.

2023-02-10  Vladimir N. Makarov  <vmakarov@redhat.com>

	* params.opt (ira-simple-lra-insn-threshold): Add new param.
	* ira.cc (ira): Use the param to switch on simple LRA.

2023-02-10  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108687
	* gimple-range-cache.cc (ranger_cache::range_on_edge): Revert
	back to RFD_NONE mode for calculations.
	(ranger_cache::propagate_cache): Call the internal edge range API
	with RFD_READ_ONLY instead of changing the external routine.

2023-02-10  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108520
	* gimple-range-infer.cc (check_assume_func): Invoke
	gimple_range_global directly instead using global_range_query.
	* value-query.cc (get_range_global): Add function context and
	avoid calling nonnull_arg_p if not cfun.
	(gimple_range_global): Add function context pointer.
	* value-query.h (imple_range_global): Add function context.

2023-02-10  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/constraints.md (Wdm): Adjust constraint.
	(Wbr): New constraint.
	* config/riscv/predicates.md (reg_or_int_operand): New predicate.
	* config/riscv/riscv-protos.h (emit_pred_op): Remove function.
	(emit_vlmax_op): New function.
	(emit_nonvlmax_op): Ditto.
	(simm32_p): Ditto.
	(neg_simm5_p): Ditto.
	(has_vi_variant_p): Ditto.
	* config/riscv/riscv-v.cc (emit_pred_op): Adjust function.
	(emit_vlmax_op): New function.
	(emit_nonvlmax_op): Ditto.
	(expand_const_vector): Adjust function.
	(legitimize_move): Ditto.
	(simm32_p): New function.
	(simm5_p): Ditto.
	(neg_simm5_p): Ditto.
	(has_vi_variant_p): Ditto.
	* config/riscv/riscv-vector-builtins-bases.cc (class vrsub): New class.
	(BASE): Ditto.
	* config/riscv/riscv-vector-builtins-bases.h: Ditto.
	* config/riscv/riscv-vector-builtins-functions.def (vmin): Remove
	unsigned cases.
	(vmax): Ditto.
	(vminu): Remove signed cases.
	(vmaxu): Ditto.
	(vdiv): Remove unsigned cases.
	(vrem): Ditto.
	(vdivu): Remove signed cases.
	(vremu): Ditto.
	(vadd): Adjust.
	(vsub): Ditto.
	(vrsub): New class.
	(vand): Adjust.
	(vor): Ditto.
	(vxor): Ditto.
	(vmul): Ditto.
	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_U_OPS): New macro.
	* config/riscv/riscv.h: change VL/VTYPE as fixed reg.
	* config/riscv/vector-iterators.md: New iterators.
	* config/riscv/vector.md (@pred_broadcast<mode>): Adjust pattern for vx
	support.
	(@pred_<optab><mode>_scalar): New pattern.
	(@pred_sub<mode>_reverse_scalar): Ditto.
	(*pred_<optab><mode>_scalar): Ditto.
	(*pred_<optab><mode>_extended_scalar): Ditto.
	(*pred_sub<mode>_reverse_scalar): Ditto.
	(*pred_sub<mode>_extended_reverse_scalar): Ditto.

2023-02-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108724
	* tree-vect-stmts.cc (vectorizable_operation): Avoid
	using word_mode vectors when vector lowering will
	decompose them to elementwise operations.

2023-02-10  Jakub Jelinek  <jakub@redhat.com>

	Revert:
	2023-02-09  Martin Liska  <mliska@suse.cz>

	PR target/100758
	* doc/extend.texi: Document that the function
	does not work correctly for old VIA processors.

2023-02-10  Andrew Pinski  <apinski@marvell.com>
	    Andrew Macleod   <amacleod@redhat.com>

	PR tree-optimization/108684
	* tree-ssa-dce.cc (simple_dce_from_worklist):
	Check all ssa names and not just non-vdef ones
	before accepting the inline-asm.
	Call unlink_stmt_vdef on the statement before
	removing it.

2023-02-09  Vladimir N. Makarov  <vmakarov@redhat.com>

	* ira.h (struct ira_reg_equiv_s): Add new field caller_save_p.
	* ira.cc (validate_equiv_mem): Check memref address variance.
	(no_equiv): Clear caller_save_p flag.
	(update_equiv_regs): Define caller save equivalence for
	valid_combine.
	(setup_reg_equiv): Clear defined_p flag for caller save equivalence.
	* lra-constraints.cc (lra_copy_reg_equiv): Add new arg
	call_save_p.  Use caller save equivalence depending on the arg.
	(split_reg): Adjust the call.

2023-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/100758
	* common/config/i386/cpuinfo.h (get_zhaoxin_cpu): Formatting fixes.
	(cpu_indicator_init): Call get_available_features for all CPUs with
	max_level >= 1, rather than just Intel, AMD or Zhaoxin.  Formatting
	fixes.

2023-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108688
	* match.pd (bit_field_ref [bit_insert]): Simplify BIT_FIELD_REF
	of BIT_INSERT_EXPR extracting exactly all inserted bits even
	when without mode precision.  Formatting fixes.

2023-02-09  Andrew Pinski  <apinski@marvell.com>

	PR tree-optimization/108688
	* match.pd (bit_field_ref [bit_insert]): Avoid generating
	BIT_FIELD_REFs of non-mode-precision integral operands.

2023-02-09  Martin Liska  <mliska@suse.cz>

	PR target/100758
	* doc/extend.texi: Document that the function
	does not work correctly for old VIA processors.

2023-02-09  Andreas Schwab  <schwab@suse.de>

	* lto-wrapper.cc (merge_and_complain): Handle
	-funwind-tables and -fasynchronous-unwind-tables.
	(append_compiler_options): Likewise.

2023-02-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/26854
	* tree-into-ssa.cc (update_ssa): Turn blocks_to_update to tree
	view around insert_updated_phi_nodes_for.
	* tree-ssa-alias.cc (maybe_skip_until): Allocate visited bitmap
	in tree view.
	(walk_aliased_vdefs_1): Likewise.

2023-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/include/gpl_v3.texi: Change fsf.org to www.fsf.org.

2023-02-08  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	PR target/108505
	* config.gcc (tm_mlib_file): Define new variable.

2023-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108692
	* tree-vect-patterns.cc (vect_widened_op_tree): If rhs_code is
	widened_code which is different from code, don't call
	vect_look_through_possible_promotion but instead just check op is
	SSA_NAME with integral type for which vect_is_simple_use is true
	and call set_op on this_unprom.

2023-02-08  Andrea Corallo  <andrea.corallo@arm.com>

	* config/aarch64/aarch64-protos.h (aarch_ra_sign_key): Remove
	declaration.
	* config/aarch64/aarch64.cc (aarch_ra_sign_key): Remove
	definition.
	* config/aarch64/aarch64.opt (aarch64_ra_sign_key): Rename
	to 'aarch_ra_sign_key'.
	* config/arm/aarch-common.cc (aarch_ra_sign_key): Remove
	declaration.
	* config/arm/arm-protos.h (aarch_ra_sign_key): Likewise.
	* config/arm/arm.cc (enum aarch_key_type): Remove definition.
	* config/arm/arm.opt: Define.

2023-02-08  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/108316
	* tree-vect-stmts.cc (get_load_store_type): When using
	internal functions for gather/scatter, make sure that the type
	of the offset argument is consistent with the offset vector type.

2023-02-08  Vladimir N. Makarov  <vmakarov@redhat.com>

	Revert:
	2023-02-07  Vladimir N. Makarov  <vmakarov@redhat.com>

	* ira.h (struct ira_reg_equiv_s): Add new field caller_save_p.
	* ira.cc (validate_equiv_mem): Check memref address variance.
	(update_equiv_regs): Define caller save equivalence for
	valid_combine.
	(setup_reg_equiv): Clear defined_p flag for caller save equivalence.
	* lra-constraints.cc (lra_copy_reg_equiv): Add new arg
	call_save_p.  Use caller save equivalence depending on the arg.
	(split_reg): Adjust the call.

2023-02-08  Jakub Jelinek  <jakub@redhat.com>

	* tree.def (SAD_EXPR): Remove outdated comment about missing
	WIDEN_MINUS_EXPR.

2023-02-07  Marek Polacek  <polacek@redhat.com>

	* doc/invoke.texi: Update -fchar8_t documentation.

2023-02-07  Vladimir N. Makarov  <vmakarov@redhat.com>

	* ira.h (struct ira_reg_equiv_s): Add new field caller_save_p.
	* ira.cc (validate_equiv_mem): Check memref address variance.
	(update_equiv_regs): Define caller save equivalence for
	valid_combine.
	(setup_reg_equiv): Clear defined_p flag for caller save equivalence.
	* lra-constraints.cc (lra_copy_reg_equiv): Add new arg
	call_save_p.  Use caller save equivalence depending on the arg.
	(split_reg): Adjust the call.

2023-02-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/26854
	* gimple-fold.cc (has_use_on_stmt): Look at stmt operands
	instead of immediate uses.

2023-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/106923
	* ipa-split.cc (execute_split_functions): Don't split returns_twice
	functions.

2023-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/106433
	* cgraph.cc (set_const_flag_1): Recurse on simd clones too.
	(cgraph_node::set_pure_flag): Call set_pure_flag_1 on simd clones too.

2023-02-07  Jan Hubicka  <jh@suse.cz>

	* config/i386/x86-tune.def (X86_TUNE_AVX256_OPTIMAL): Turn off
	for znver4.

2023-02-06  Andrew Stubbs  <ams@codesourcery.com>

	* config/gcn/mkoffload.cc (gcn_stack_size): New global variable.
	(process_asm): Create a constructor for GCN_STACK_SIZE.
	(main): Parse the -mstack-size option.

2023-02-06  Alex Coplan  <alex.coplan@arm.com>

	PR target/104921
	* config/aarch64/aarch64-simd.md (aarch64_bfmlal<bt>_lane<q>v4sf):
	Use correct constraint for operand 3.

2023-02-06  Martin Jambor  <mjambor@suse.cz>

	* ipa-sra.cc (adjust_parameter_descriptions): Fix a typo in a dump.

2023-02-06  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.md (bytepick_w_ashift_amount):
	New define_int_iterator.
	(bytepick_d_ashift_amount): Likewise.
	(bytepick_imm): New define_int_attr.
	(bytepick_w_lshiftrt_amount): Likewise.
	(bytepick_d_lshiftrt_amount): Likewise.
	(bytepick_w_<bytepick_imm>): New define_insn template.
	(bytepick_w_<bytepick_imm>_extend): Likewise.
	(bytepick_d_<bytepick_imm>): Likewise.
	(bytepick_w): Remove unused define_insn.
	(bytepick_d): Likewise.
	(UNSPEC_BYTEPICK_W): Remove unused unspec.
	(UNSPEC_BYTEPICK_D): Likewise.
	* config/loongarch/predicates.md (const_0_to_3_operand):
	Remove unused define_predicate.
	(const_0_to_7_operand): Likewise.

2023-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108655
	* ubsan.cc (sanitize_unreachable_fn): For -funreachable-traps
	or -fsanitize=unreachable -fsanitize-trap=unreachable return
	BUILT_IN_UNREACHABLE_TRAP decl rather than BUILT_IN_TRAP.

2023-02-05  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): Remove PW32.

2023-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108647
	* range-op.cc (operator_equal::op1_range,
	operator_not_equal::op1_range): Don't test op2 bound
	equality if op2.undefined_p (), instead set_varying.
	(operator_lt::op1_range, operator_le::op1_range,
	operator_gt::op1_range, operator_ge::op1_range): Return false if
	op2.undefined_p ().
	(operator_lt::op2_range, operator_le::op2_range,
	operator_gt::op2_range, operator_ge::op2_range): Return false if
	op1.undefined_p ().

2023-02-03  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/108639
	* value-range.cc (irange::legacy_equal_p): Compare nonzero bits as
	widest_int.
	(irange::operator==): Same.

2023-02-03  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/108647
	* range-op-float.cc (foperator_lt::op1_range): Handle undefined ranges.
	(foperator_lt::op2_range): Same.
	(foperator_le::op1_range): Same.
	(foperator_le::op2_range): Same.
	(foperator_gt::op1_range): Same.
	(foperator_gt::op2_range): Same.
	(foperator_ge::op1_range): Same.
	(foperator_ge::op2_range): Same.
	(foperator_unordered_lt::op1_range): Same.
	(foperator_unordered_lt::op2_range): Same.
	(foperator_unordered_le::op1_range): Same.
	(foperator_unordered_le::op2_range): Same.
	(foperator_unordered_gt::op1_range): Same.
	(foperator_unordered_gt::op2_range): Same.
	(foperator_unordered_ge::op1_range): Same.
	(foperator_unordered_ge::op2_range): Same.

2023-02-03  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/107570
	* tree-vrp.cc (remove_and_update_globals): Reset SCEV.

2023-02-03  Gaius Mulley  <gaiusmod2@gmail.com>

	* doc/gm2.texi (Internals): Remove from menu.
	(Using): Comment out ifnohtml conditional.
	(Documentation): Use gcc url.
	(License): Node simplified.
	(Copying): New node.  Include gpl_v3_without_node.
	(Contributing): Node simplified.
	(Internals): Commented out.
	(Libraries): Node simplified.
	(Indices): Ditto.
	(Contents): Ditto.
	(Functions): Ditto.

2023-02-03  Christophe Lyon  <christophe.lyon@arm.com>

	* config/arm/mve.md (mve_vabavq_p_<supf><mode>): Add length
	attribute.
	(mve_vqshluq_m_n_s<mode>): Likewise.
	(mve_vshlq_m_<supf><mode>): Likewise.
	(mve_vsriq_m_n_<supf><mode>): Likewise.
	(mve_vsubq_m_<supf><mode>): Likewise.

2023-02-03  Martin Jambor  <mjambor@suse.cz>

	PR ipa/108384
	* ipa-sra.cc (push_param_adjustments_for_index): Remove a size check
	when comparing to an IPA-CP value.
	(dump_list_of_param_indices): New function.
	(adjust_parameter_descriptions): Check for mismatching IPA-CP values.
	Dump removed candidates using dump_list_of_param_indices.
	* ipa-param-manipulation.cc
	(ipa_param_body_adjustments::modify_expression): Add assert checking
	sizes of a VIEW_CONVERT_EXPR will match.
	(ipa_param_body_adjustments::modify_assignment): Likewise.

2023-02-03  Monk Chiang  <monk.chiang@sifive.com>

	* config/riscv/riscv.h: Remove VL_REGS, VTYPE_REGS class.
	* config/riscv/riscv.cc: Ditto.

2023-02-03  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector-iterators.md (sll.vi): Fix constraint bug.
	(sll.vv): Ditto.
	(%3,%4): Ditto.
	(%3,%v4): Ditto.
	* config/riscv/vector.md: Ditto.

2023-02-03  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/predicates.md (pmode_reg_or_uimm5_operand): New predicate.
	* config/riscv/riscv-vector-builtins-bases.cc: New class.
	* config/riscv/riscv-vector-builtins-functions.def (vsll): Ditto.
	(vsra): Ditto.
	(vsrl): Ditto.
	* config/riscv/riscv-vector-builtins.cc: Ditto.
	* config/riscv/vector.md (@pred_<optab><mode>_scalar): New pattern.

2023-02-02  Iain Sandoe  <iain@sandoe.co.uk>

	* toplev.cc (toplev::main): Only print the version information header
	from toplevel main().

2023-02-02  Paul-Antoine Arras  <pa@codesourcery.com>

	* config/gcn/gcn-valu.md (cond_<expander><mode>): Add
	cond_{ashl|ashr|lshr}

2023-02-02  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/108086
	* rtl-ssa/insns.h (insn_info): Make m_num_defs a full unsigned int.
	Adjust size-related commentary accordingly.

2023-02-02  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/108508
	* rtl-ssa/accesses.cc (function_info::split_clobber_group): When
	the splay tree search gives the first clobber in the second group,
	make sure that the root of the first clobber group is updated
	correctly.  Enter the new clobber group into the definition splay
	tree.

2023-02-02  Jin Ma  <jinma@linux.alibaba.com>

	* common/config/riscv/riscv-common.cc (riscv_compute_multilib):
	Fix finding best match score.

2023-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR debug/106746
	PR rtl-optimization/108463
	PR target/108484
	* cselib.cc (cselib_current_insn): Move declaration earlier.
	(cselib_hasher::equal): For debug only locs, temporarily override
	cselib_current_insn to their l->setting_insn for the
	rtx_equal_for_cselib_1 call, so that unsuccessful comparisons don't
	promote some debug locs.
	* sched-deps.cc (sched_analyze_2) <case MEM>: For MEMs in DEBUG_INSNs
	when using cselib call cselib_lookup_from_insn on the address but
	don't substitute it.

2023-02-02  Richard Biener  <rguenther@suse.de>

	PR middle-end/108625
	* genmatch.cc (expr::gen_transform): Also disallow resimplification
	from pushing to lseq with force_leaf.
	(dt_simplify::gen_1): Likewise.

2023-02-02  Andrew Stubbs  <ams@codesourcery.com>

	* config/gcn/gcn-run.cc: Include libgomp-gcn.h.
	(struct kernargs): Replace the common content with kernargs_abi.
	(struct heap): Delete.
	(main): Read GCN_STACK_SIZE envvar.
	Allocate space for the device stacks.
	Write the new kernargs fields.
	* config/gcn/gcn.cc (gcn_option_override): Remove stack_size_opt.
	(default_requested_args): Remove PRIVATE_SEGMENT_BUFFER_ARG and
	PRIVATE_SEGMENT_WAVE_OFFSET_ARG.
	(gcn_addr_space_convert): Mask the QUEUE_PTR_ARG content.
	(gcn_expand_prologue): Move the TARGET_PACKED_WORK_ITEMS to the top.
	Set up the stacks from the values in the kernargs, not private.
	(gcn_expand_builtin_1): Match the stack configuration in the prologue.
	(gcn_hsa_declare_function_name): Turn off the private segment.
	(gcn_conditional_register_usage): Ensure QUEUE_PTR is fixed.
	* config/gcn/gcn.h (FIXED_REGISTERS): Fix the QUEUE_PTR register.
	* config/gcn/gcn.opt (mstack-size): Change the description.

2023-02-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/108443
	* config/arm/arm.h (VALID_MVE_PRED_MODE): Add V2QI.
	* config/arm/arm.cc (thumb2_legitimate_address_p): Use HImode for
	addressing MVE predicate modes.
	(mve_bool_vec_to_const): Change to represent correct MVE predicate
	format.
	(arm_hard_regno_mode_ok): Use VALID_MVE_PRED_MODE instead of checking
	modes.
	(arm_vector_mode_supported_p): Likewise.
	(arm_mode_to_pred_mode): Add V2QI.
	* config/arm/arm-builtins.cc (UNOP_PRED_UNONE_QUALIFIERS): New
	qualifier.
	(UNOP_PRED_PRED_QUALIFIERS): New qualifier
	(BINOP_PRED_UNONE_PRED_QUALIFIERS): New qualifier.
	(v2qi_UP): New macro.
	(v4bi_UP): New macro.
	(v8bi_UP): New macro.
	(v16bi_UP): New macro.
	(arm_expand_builtin_args): Make it able to expand the new predicate
	modes.
	* config/arm/arm-modes.def (V2QI): New mode.
	* config/arm/arm-simd-builtin-types.def (Pred1x16_t, Pred2x8_t
	Pred4x4_t): Remove unused predicate builtin types.
	* config/arm/arm_mve.h (__arm_vctp16q, __arm_vctp32q, __arm_vctp64q,
	__arm_vctp8q, __arm_vpnot, __arm_vctp8q_m, __arm_vctp64q_m,
	__arm_vctp32q_m, __arm_vctp16q_m): Use predicate modes.
	* config/arm/arm_mve_builtins.def (vctp16q, vctp32q, vctp64q, vctp8q,
	vpnot, vctp8q_m, vctp16q_m, vctp32q_m, vctp64q_m): Likewise.
	* config/arm/constraints.md (DB): Check for VALID_MVE_PRED_MODE instead
	of MODE_VECTOR_BOOL.
	* config/arm/iterators.md (MVE_7, MVE_7_HI): Add V2QI
	(MVE_VPRED): Likewise.
	(MVE_vpred): Add V2QI and map upper case predicate modes to lower case.
	(MVE_vctp): New mode attribute.
	(mode1): Remove.
	(VCTPQ): Remove.
	(VCTPQ_M): Remove.
	* config/arm/mve.md (mve_vctp<mode1>qhi): Rename this...
	(mve_vctp<MVE_vctp>q<MVE_vpred>): ... to this. And use new mode
	attributes.
	(mve_vpnothi): Rename this...
	(mve_vpnotv16bi): ... to this.
	(mve_vctp<mode1>q_mhi): Rename this...
	(mve_vctp<MVE_vctp>q_m<MVE_vpred>):... to this.
	(mve_vldrdq_gather_base_z_<supf>v2di,
	mve_vldrdq_gather_offset_z_<supf>v2di,
	mve_vldrdq_gather_shifted_offset_z_<supf>v2di,
	mve_vstrdq_scatter_base_p_<supf>v2di,
	mve_vstrdq_scatter_offset_p_<supf>v2di,
	mve_vstrdq_scatter_offset_p_<supf>v2di_insn,
	mve_vstrdq_scatter_shifted_offset_p_<supf>v2di,
	mve_vstrdq_scatter_shifted_offset_p_<supf>v2di_insn,
	mve_vstrdq_scatter_base_wb_p_<supf>v2di,
	mve_vldrdq_gather_base_wb_z_<supf>v2di,
	mve_vldrdq_gather_base_nowb_z_<supf>v2di,
	mve_vldrdq_gather_base_wb_z_<supf>v2di_insn):  Use V2QI insead of HI for
	predicates.
	* config/arm/unspecs.md (VCTP8Q, VCTP16Q, VCTP32Q, VCTP64Q): Replace
	these...
	(VCTP): ... with this.
	(VCTP8Q_M, VCTP16Q_M, VCTP32Q_M, VCTP64Q_M): Replace these...
	(VCTP_M): ... with this.
	* config/arm/vfp.md (*thumb2_movhi_vfp, *thumb2_movhi_fp16): Use
	VALID_MVE_PRED_MODE instead of checking for MODE_VECTOR_BOOL class.

2023-02-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/107674
	* config/arm/arm.cc (arm_hard_regno_mode_ok): Use new MACRO.
	(arm_modes_tieable_p): Make MVE predicate modes tieable.
	* config/arm/arm.h (VALID_MVE_PRED_MODE):  New define.
	* simplify-rtx.cc (simplify_context::simplify_subreg): Teach
	simplify_subreg to simplify subregs where the outermode is not scalar.

2023-02-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/107674
	* config/arm/arm-builtins.cc (arm_simd_builtin_type): Rewrite to use
	new qualifiers parameter and use unsigned short type for MVE predicate.
	(arm_init_builtin): Call arm_simd_builtin_type with qualifiers
	parameter.
	(arm_init_crypto_builtins): Likewise.

2023-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/107300
	* builtins.def (BUILT_IN_UNREACHABLE_TRAP): New builtin.
	* internal-fn.def (TRAP): Remove.
	* internal-fn.cc (expand_TRAP): Remove.
	* tree.cc (build_common_builtin_nodes): Define
	BUILT_IN_UNREACHABLE_TRAP if not yet defined.
	(builtin_decl_unreachable): Use BUILT_IN_UNREACHABLE_TRAP
	instead of BUILT_IN_TRAP.
	* gimple.cc (gimple_build_builtin_unreachable): Remove
	emitting internal function for BUILT_IN_TRAP.
	* asan.cc (maybe_instrument_call): Handle BUILT_IN_UNREACHABLE_TRAP.
	* cgraph.cc (cgraph_edge::verify_corresponds_to_fndecl): Handle
	BUILT_IN_UNREACHABLE_TRAP instead of BUILT_IN_TRAP.
	* ipa-devirt.cc (possible_polymorphic_call_target_p): Handle
	BUILT_IN_UNREACHABLE_TRAP.
	* builtins.cc (expand_builtin, is_inexpensive_builtin): Likewise.
	* tree-cfg.cc (verify_gimple_call,
	pass_warn_function_return::execute): Likewise.
	* attribs.cc (decl_attributes): Don't report exclusions on
	BUILT_IN_UNREACHABLE_TRAP either.

2023-02-02  liuhongt  <hongtao.liu@intel.com>

	PR tree-optimization/108601
	* tree-vectorizer.h (vect_can_peel_nonlinear_iv_p): Removed.
	* tree-vect-loop.cc
	(vectorizable_nonlinear_induction): Remove
	vect_can_peel_nonlinear_iv_p.
	(vect_can_peel_nonlinear_iv_p): Don't peel
	nonlinear iv(mult or shift) for epilog when vf is not
	constant and moved the defination to ..
	* tree-vect-loop-manip.cc (vect_can_peel_nonlinear_iv_p):
	.. Here.

2023-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/108435
	* tree-nested.cc (convert_nonlocal_omp_clauses)
	<case OMP_CLAUSE_LASTPRIVATE>: If info->new_local_var_chain and *seq
	is not a GIMPLE_BIND, wrap the sequence into a new GIMPLE_BIND
	before calling declare_vars.
	(convert_nonlocal_omp_clauses) <case OMP_CLAUSE_LINEAR>: Merge
	with the OMP_CLAUSE_LASTPRIVATE handling except for whether
	seq is initialized to &OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ (clause)
	or &OMP_CLAUSE_LINEAR_GIMPLE_SEQ (clause).

2023-02-01  Tamar Christina  <tamar.christina@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(struct aarch64_option_extension): Add native_detect and document struct
	a bit more.
	(all_extensions): Set new field native_detect.
	* config/aarch64/aarch64.cc (struct aarch64_option_extension): Delete
	unused struct.

2023-02-01  Martin Liska  <mliska@suse.cz>

	* ipa-devirt.cc (odr_types_equivalent_p): Respect *warned
	value if set.

2023-02-01  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108356
	* gimple-range-cache.cc (ranger_cache::range_on_edge): Always
	do a search of the DOM tree for a range.

2023-02-01  Martin Liska  <mliska@suse.cz>

	PR ipa/108509
	* cgraphunit.cc (walk_polymorphic_call_targets): Insert
	ony non-null values.
	* ipa.cc (walk_polymorphic_call_targets): Likewise.

2023-02-01  Martin Liska  <mliska@suse.cz>

	PR driver/108572
	* gcc.cc (LINK_COMPRESS_DEBUG_SPEC): Report error only for
	-gz=zstd.

2023-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/108573
	* ree.cc (combine_reaching_defs): Don't return false for paradoxical
	subregs in DEBUG_INSNs.

2023-02-01  Richard Sandiford  <richard.sandiford@arm.com>

	* compare-elim.cc (find_flags_uses_in_insn): Guard use of SET_SRC.

2023-02-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.cc (s390_restore_gpr_p): New function.
	(s390_preserve_gpr_arg_in_range_p): New function.
	(s390_preserve_gpr_arg_p): New function.
	(s390_preserve_fpr_arg_p): New function.
	(s390_register_info_stdarg_fpr): Rename to ...
	(s390_register_info_arg_fpr): ... this. Add -mpreserve-args handling.
	(s390_register_info_stdarg_gpr): Rename to ...
	(s390_register_info_arg_gpr): ... this. Add -mpreserve-args handling.
	(s390_register_info): Use the renamed functions above.
	(s390_optimize_register_info): Likewise.
	(save_fpr): Generate CFI for -mpreserve-args.
	(save_gprs): Generate CFI for -mpreserve-args. Drop return value.
	(s390_emit_prologue): Adjust to changed calling convention of save_gprs.
	(s390_optimize_prologue): Likewise.
	* config/s390/s390.opt: New option -mpreserve-args

2023-02-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.cc (save_gprs): Use gen_frame_mem.
	(restore_gprs): Likewise.
	(s390_emit_stack_tie): Make the stack_tie to be dependent on the
	frame pointer if a frame-pointer is used.
	(s390_emit_prologue): Emit stack_tie when frame-pointer is needed.
	* config/s390/s390.md (stack_tie): Add a register operand and
	rename to ...
	(@stack_tie<mode>): ... this.

2023-02-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* dwarf2cfi.cc (dwarf2out_frame_debug_cfa_restore): Add
	EMIT_CFI parameter.
	(dwarf2out_frame_debug): Add case for REG_CFA_NORESTORE.
	* reg-notes.def (REG_CFA_NOTE): New reg note definition.

2023-02-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/108500
	* dominance.cc (assign_dfs_numbers): Replace recursive DFS
	with tree traversal algorithm.

2023-02-01  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi: Document -Wno-changes-meaning.

2023-02-01  David Malcolm  <dmalcolm@redhat.com>

	* doc/invoke.texi (Static Analyzer Options): Add notes about
	limitations of -fanalyzer.

2023-01-31  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/constraints.md (vj): New.
	(vk): Ditto
	* config/riscv/iterators.md: Add more opcode.
	* config/riscv/predicates.md (vector_arith_operand): New.
	(vector_neg_arith_operand): New.
	(vector_shift_operand): New.
	* config/riscv/riscv-vector-builtins-bases.cc (class binop): New.
	* config/riscv/riscv-vector-builtins-bases.h: (vadd): New.
	(vsub): Ditto.
	(vand): Ditto.
	(vor): Ditto.
	(vxor): Ditto.
	(vsll): Ditto.
	(vsra): Ditto.
	(vsrl): Ditto.
	(vmin): Ditto.
	(vmax): Ditto.
	(vminu): Ditto.
	(vmaxu): Ditto.
	(vmul): Ditto.
	(vdiv): Ditto.
	(vrem): Ditto.
	(vdivu): Ditto.
	(vremu): Ditto.
	* config/riscv/riscv-vector-builtins-functions.def (vadd): New.
	(vsub): Ditto.
	(vand): Ditto.
	(vor): Ditto.
	(vxor): Ditto.
	(vsll): Ditto.
	(vsra): Ditto.
	(vsrl): Ditto.
	(vmin): Ditto.
	(vmax): Ditto.
	(vminu): Ditto.
	(vmaxu): Ditto.
	(vmul): Ditto.
	(vdiv): Ditto.
	(vrem): Ditto.
	(vdivu): Ditto.
	(vremu): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.cc (struct binop_def): New.
	* config/riscv/riscv-vector-builtins-shapes.h (binop): New.
	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_I_OPS): New.
	(DEF_RVV_U_OPS): New.
	(rvv_arg_type_info::get_base_vector_type): Handle
	RVV_BASE_shift_vector.
	(rvv_arg_type_info::get_tree_type): Ditto.
	* config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Add
	RVV_BASE_shift_vector.
	* config/riscv/riscv.cc (riscv_print_operand): Handle 'V'.
	* config/riscv/vector-iterators.md: Handle more opcode.
	* config/riscv/vector.md (@pred_<optab><mode>): New.

2023-01-31  Philipp Tomsich  <philipp.tomsich@vrull.eu>

	PR target/108589
	* config/aarch64/aarch64.cc (aarch_macro_fusion_pair_p): Check
	REG_P on SET_DEST.

2023-01-31  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/108608
	* tree-vect-loop.cc (vect_transform_reduction): Handle single
	def-use cycles that involve function calls rather than tree codes.

2023-01-31  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108385
	* gimple-range-gori.cc (gori_compute::compute_operand_range):
	Allow VARYING computations to continue if there is a relation.
	* range-op.cc (pointer_plus_operator::op2_range): New.

2023-01-31  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108359
	* range-op.cc (range_operator::wi_fold_in_parts_equiv): New.
	(range_operator::fold_range): If op1 is equivalent to op2 then
	invoke new fold_in_parts_equiv to operate on sub-components.
	* range-op.h (wi_fold_in_parts_equiv): New prototype.

2023-01-31  Andrew MacLeod  <amacleod@redhat.com>

	* gimple-range-gori.cc (gori_compute::compute_operand_range): Do
	not abort calculations if there is a valid relation available.
	(gori_compute::refine_using_relation): Pass correct relation trio.
	(gori_compute::compute_operand1_range): Create trio and use it.
	(gori_compute::compute_operand2_range): Ditto.
	* range-op.cc (operator_plus::op1_range): Use correct trio member.
	(operator_minus::op1_range): Use correct trio member.
	* value-relation.cc (value_relation::create_trio): New.
	* value-relation.h (value_relation::create_trio): New prototype.

2023-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR target/108599
	* config/i386/i386-expand.cc
	(ix86_convert_const_wide_int_to_broadcast): Return nullptr if
	CONST_WIDE_INT_NUNITS (op) times HOST_BITS_PER_WIDE_INT isn't
	equal to bitsize of mode.

2023-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/108596
	* bb-reorder.cc (fix_up_fall_thru_edges): Handle the case where cur_bb
	ends with asm goto and has a crossing fallthrough edge to the same bb
	that contains at least one of its labels by restoring EDGE_CROSSING
	flag even on possible edge from cur_bb to new_bb successor.

2023-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR c++/105593
	* config/i386/avx512erintrin.h (_mm512_exp2a23_round_pd,
	_mm512_exp2a23_round_ps, _mm512_rcp28_round_pd, _mm512_rcp28_round_ps,
	_mm512_rsqrt28_round_pd, _mm512_rsqrt28_round_ps): Use
	_mm512_undefined_pd () or _mm512_undefined_ps () instead of using
	uninitialized automatic variable __W.

2023-01-31  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/include/fdl.texi: Change fsf.org to www.fsf.org.

2023-01-30  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-protos.h (get_vector_mode): New function.
	* config/riscv/riscv-v.cc (get_vector_mode): Ditto.
	* config/riscv/riscv-vector-builtins-bases.cc (enum lst_type): New enum.
	(class loadstore): Adjust for indexed loads/stores support.
	(BASE): Ditto.
	* config/riscv/riscv-vector-builtins-bases.h: New function declare.
	* config/riscv/riscv-vector-builtins-functions.def (vluxei8): Ditto.
	(vluxei16): Ditto.
	(vluxei32): Ditto.
	(vluxei64): Ditto.
	(vloxei8): Ditto.
	(vloxei16): Ditto.
	(vloxei32): Ditto.
	(vloxei64): Ditto.
	(vsuxei8): Ditto.
	(vsuxei16): Ditto.
	(vsuxei32): Ditto.
	(vsuxei64): Ditto.
	(vsoxei8): Ditto.
	(vsoxei16): Ditto.
	(vsoxei32): Ditto.
	(vsoxei64): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.cc
	(struct indexed_loadstore_def): New class.
	(SHAPE): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.h: Ditto.
	* config/riscv/riscv-vector-builtins.cc (required_extensions_p): Adjust
	for indexed loads/stores support.
	(check_required_extensions): Ditto.
	(rvv_arg_type_info::get_base_vector_type): New function.
	(rvv_arg_type_info::get_tree_type): Ditto.
	(function_builder::add_unique_function): Adjust for indexed loads/stores
	support.
	(function_expander::use_exact_insn): New function.
	* config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Adjust for
	indexed loads/stores support.
	(struct rvv_arg_type_info): Ditto.
	(function_expander::index_mode): New function.
	(function_base::apply_tail_policy_p): Ditto.
	(function_base::apply_mask_policy_p): Ditto.
	* config/riscv/vector-iterators.md (unspec): New unspec.
	* config/riscv/vector.md (unspec): Ditto.
	(@pred_indexed_<order>load<VNX1_QHSD:mode><VNX1_QHSDI:mode>): New
	pattern.
	(@pred_indexed_<order>store<VNX1_QHSD:mode><VNX1_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX2_QHSD:mode><VNX2_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>store<VNX2_QHSD:mode><VNX2_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX4_QHSD:mode><VNX4_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>store<VNX4_QHSD:mode><VNX4_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX8_QHSD:mode><VNX8_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>store<VNX8_QHSD:mode><VNX8_QHSDI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX16_QHS:mode><VNX16_QHSI:mode>): Ditto.
	(@pred_indexed_<order>store<VNX16_QHS:mode><VNX16_QHSI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX32_QH:mode><VNX32_QHI:mode>): Ditto.
	(@pred_indexed_<order>store<VNX32_QH:mode><VNX32_QHI:mode>): Ditto.
	(@pred_indexed_<order>load<VNX64_Q:mode><VNX64_Q:mode>): Ditto.
	(@pred_indexed_<order>store<VNX64_Q:mode><VNX64_Q:mode>): Ditto.

2023-01-30  Flavio Cruz  <flaviocruz@gmail.com>

	* config.gcc: Recognize x86_64-*-gnu* targets and include
	i386/gnu64.h.
	* config/i386/gnu64.h: Define configuration for new target
	including ld.so location.

2023-01-30  Philipp Tomsich  <philipp.tomsich@vrull.eu>

	* config/aarch64/aarch64-cores.def (AARCH64_CORE): Update
	ampere1a to include SM4.

2023-01-30  Andrew Pinski  <apinski@marvell.com>

	PR tree-optimization/108582
	* tree-ssa-phiopt.cc (match_simplify_replacement): Add check
	for middlebb to have no phi nodes.

2023-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108574
	* tree-ssa-sccvn.cc (visit_phi): Instead of swapping
	sameval and def, ignore the equivalence if there's the
	danger of oscillating between two values.

2023-01-30  Andreas Schwab  <schwab@suse.de>

	* common/config/riscv/riscv-common.cc
	(riscv_option_optimization_table)
	[TARGET_DEFAULT_ASYNC_UNWIND_TABLES]: Enable
	-fasynchronous-unwind-tables and -funwind-tables.
	* config.gcc (riscv*-*-linux*): Define
	TARGET_DEFAULT_ASYNC_UNWIND_TABLES.

2023-01-30  YunQiang Su  <yunqiang.su@cipunited.com>

	* Makefile.in (CROSS_SYSTEM_HEADER_DIR): set according the
	value of includedir.

2023-01-30  Richard Biener  <rguenther@suse.de>

	PR ipa/108511
	* cgraph.cc (possibly_call_in_translation_unit_p): Relax
	assert.

2023-01-30  liuhongt  <hongtao.liu@intel.com>

	* config/i386/i386.opt: Change AVX512FP16 to AVX512-FP16.
	* doc/invoke.texi: Ditto.

2023-01-29  Jan Hubicka  <hubicka@ucw.cz>

	* ipa-utils.cc: Include calls.h, cfgloop.h and cfganal.h
	(stmt_may_terminate_function_p): If assuming return or EH
	volatile asm is safe.
	(find_always_executed_bbs): Fix handling of terminating BBS and
	infinite loops; add debug output.
	* tree-ssa-alias.cc (stmt_kills_ref_p): Fix debug output

2023-01-28  Philipp Tomsich  <philipp.tomsich@vrull.eu>

	* config/aarch64/aarch64.cc (aarch64_uxt_size): fix an
	off-by-one in checking the permissible shift-amount.

2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Named Address Spaces): Update link to the
	AVR-Libc manual.

2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi (Standards): Fix markup.

2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi (Standards): Update link to Objective-C book.

2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Instrumentation Options): Update reference to
	AddressSanitizer.

2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi: Update Go1 link.

2023-01-28  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/predicates.md (pmode_reg_or_0_operand): New predicate.
	* config/riscv/riscv-vector-builtins-bases.cc (class loadstore):
	Support vlse/vsse.
	(BASE): Ditto.
	* config/riscv/riscv-vector-builtins-bases.h: Ditto.
	* config/riscv/riscv-vector-builtins-functions.def (vlse): New class.
	(vsse): New class.
	* config/riscv/riscv-vector-builtins.cc
	(function_expander::use_contiguous_load_insn): Support vlse/vsse.
	* config/riscv/vector.md (@pred_strided_load<mode>): New md pattern.
	(@pred_strided_store<mode>): Ditto.

2023-01-28  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector.md (tail_policy_op_idx): Remove.
	(mask_policy_op_idx): Remove.
	(avl_type_op_idx): Remove.

2023-01-27  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/96373
	* tree.h (sign_mask_for): Declare.
	* tree.cc (sign_mask_for): New function.
	(signed_or_unsigned_type_for): For vector types, try to use the
	related_int_vector_mode.
	* genmatch.cc (commutative_op): Handle conditional internal functions.
	* match.pd: Fold an IFN_COND_MUL+copysign into an IFN_COND_XOR+and.

2023-01-27  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vectorizer.cc (vector_costs::compare_inside_loop_cost):
	Use the likely minimum VF when bounding the denominators to
	the estimated number of iterations.

2023-01-27  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* doc/invoke.texi (-shared): Clarify effect on -ffast-math
	and -Ofast FP environment side-effects.

2023-01-27  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/mips/gnu-user.h (GNU_USER_TARGET_MATHFILE_SPEC):
	Don't add crtfastmath.o for -shared.

2023-01-27  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/ia64/linux.h (ENDFILE_SPEC): Don't add crtfastmath.o
	for -shared.

2023-01-27  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/alpha/linux.h (ENDFILE_SPEC): Don't add
	crtfastmath.o for -shared.

2023-01-27  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108306
	* range-op.cc (operator_lshift::fold_range): Return [0, 0] not
	varying for shifts that are always out of void range.
	(operator_rshift::fold_range): Return [0, 0] not
	varying for shifts that are always out of void range.

2023-01-27  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/108447
	* gimple-range-fold.cc (old_using_range::relation_fold_and_or):
	Do not attempt to fold HONOR_NAN types.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vector-builtins-shapes.cc (struct loadstore_def):
	Remove _m suffix for "vop_m" C++ overloaded API name.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vector-builtins-bases.cc (BASE): Add vlm/vsm support.
	* config/riscv/riscv-vector-builtins-bases.h: Ditto.
	* config/riscv/riscv-vector-builtins-functions.def (vlm): New define.
	(vsm): Ditto.
	* config/riscv/riscv-vector-builtins-shapes.cc (struct loadstore_def): Add vlm/vsm support.
	* config/riscv/riscv-vector-builtins-types.def (DEF_RVV_B_OPS): Ditto.
	(vbool64_t): Ditto.
	(vbool32_t): Ditto.
	(vbool16_t): Ditto.
	(vbool8_t): Ditto.
	(vbool4_t): Ditto.
	(vbool2_t): Ditto.
	(vbool1_t): Ditto.
	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_B_OPS): Ditto.
	(rvv_arg_type_info::get_tree_type): Ditto.
	(function_expander::use_contiguous_load_insn): Ditto.
	* config/riscv/vector.md (@pred_store<mode>): Ditto.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (vsetvl_insn_p): Add condition to avoid ICE.
	(vsetvl_discard_result_insn_p): New function.
	(reg_killed_by_bb_p): rename to find_reg_killed_by.
	(find_reg_killed_by): New name.
	(get_vl): allow it to be called by more functions.
	(has_vsetvl_killed_avl_p): Add condition.
	(get_avl): allow it to be called by more functions.
	(insn_should_be_added_p): New function.
	(get_all_nonphi_defs): Refine function.
	(get_all_sets): Ditto.
	(get_same_bb_set): New function.
	(any_insn_in_bb_p): Ditto.
	(any_set_in_bb_p): Ditto.
	(get_vl_vtype_info): Add VLMAX forward optimization.
	(source_equal_p): Fix issues.
	(extract_single_source): Refine.
	(avl_info::multiple_source_equal_p): New function.
	(avl_info::operator==): Adjust for final version.
	(vl_vtype_info::operator==): Ditto.
	(vl_vtype_info::same_avl_p): Ditto.
	(vector_insn_info::parse_insn): Ditto.
	(vector_insn_info::available_p): New function.
	(vector_insn_info::merge): Adjust for final version.
	(vector_insn_info::dump): Add hard_empty.
	(pass_vsetvl::hard_empty_block_p): New function.
	(pass_vsetvl::backward_demand_fusion): Adjust for final version.
	(pass_vsetvl::forward_demand_fusion): Ditto.
	(pass_vsetvl::demand_fusion): Ditto.
	(pass_vsetvl::cleanup_illegal_dirty_blocks): New function.
	(pass_vsetvl::compute_local_properties): Adjust for final version.
	(pass_vsetvl::can_refine_vsetvl_p): Ditto.
	(pass_vsetvl::refine_vsetvls): Ditto.
	(pass_vsetvl::commit_vsetvls): Ditto.
	(pass_vsetvl::propagate_avl): New function.
	(pass_vsetvl::lazy_vsetvl): Adjust for new version.
	* config/riscv/riscv-vsetvl.h (enum def_type): New enum.

2023-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR other/108560
	* doc/extend.texi: Fix up return type of __builtin_va_arg_pack_len
	from size_t to int.

2023-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/106061
	* cgraph.cc (cgraph_edge::verify_corresponds_to_fndecl): Allow
	redirection of calls to __builtin_trap in addition to redirection
	to __builtin_unreachable.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (before_p): Fix bug.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (gen_vsetvl_pat): Refine function args.
	(emit_vsetvl_insn): Ditto.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector.md: Fix constraints.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector-iterators.md: Add TARGET_MIN_VLEN > 32 predicates.

2023-01-27  Patrick Palka  <ppalka@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* tree-core.h (tree_code_type, tree_code_length): For
	C++17 and later, add inline keyword, otherwise don't define
	the arrays, but declare extern arrays.
	* tree.cc (tree_code_type, tree_code_length): Define these
	arrays for C++14 and older.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.h: Change it into public.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-passes.def (INSERT_PASS_BEFORE): Reorder VSETVL
	pass.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (pass_vsetvl::execute): Always call split_all_insns.

2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector.md: Fix incorrect attributes.

2023-01-27  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/loongarch/gnu-user.h (GNU_USER_TARGET_MATHFILE_SPEC):
	Don't add crtfastmath.o for -shared.

2023-01-27  Alexandre Oliva  <oliva@gnu.org>

	* doc/options.texi (option, RejectNegative): Mention that
	-g-started options are also implicitly negatable.

2023-01-26  Kito Cheng  <kito.cheng@sifive.com>

	* config/riscv/riscv-vector-builtins.cc (register_builtin_types):
	Use get_typenode_from_name to get fixed-width integer type
	nodes.
	* config/riscv/riscv-vector-builtins.def: Update define with
	fixed-width integer type nodes.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (same_bb_and_before_p): Remove it.
	(real_insn_and_same_bb_p): New function.
	(same_bb_and_after_or_equal_p): Remove it.
	(before_p): New function.
	(reg_killed_by_bb_p): Ditto.
	(has_vsetvl_killed_avl_p): Ditto.
	(get_vl): Move location so that we can call it.
	(anticipatable_occurrence_p): Fix issue of AVL=REG support.
	(available_occurrence_p): Ditto.
	(dominate_probability_p): Remove it.
	(can_backward_propagate_p): Remove it.
	(get_all_nonphi_defs): New function.
	(get_all_predecessors): Ditto.
	(any_insn_in_bb_p): Ditto.
	(insert_vsetvl): Adjust AVL REG.
	(source_equal_p): New function.
	(extract_single_source): Ditto.
	(avl_info::single_source_equal_p): Ditto.
	(avl_info::operator==): Adjust for AVL=REG.
	(vl_vtype_info::same_avl_p): Ditto.
	(vector_insn_info::set_demand_info): Remove it.
	(vector_insn_info::compatible_p): Adjust for AVL=REG.
	(vector_insn_info::compatible_avl_p): New function.
	(vector_insn_info::merge): Adjust AVL=REG.
	(vector_insn_info::dump): Ditto.
	(pass_vsetvl::merge_successors): Remove it.
	(enum fusion_type): New enum.
	(pass_vsetvl::get_backward_fusion_type): New function.
	(pass_vsetvl::backward_demand_fusion): Adjust for AVL=REG.
	(pass_vsetvl::forward_demand_fusion): Ditto.
	(pass_vsetvl::demand_fusion): Ditto.
	(pass_vsetvl::prune_expressions): Ditto.
	(pass_vsetvl::compute_local_properties): Ditto.
	(pass_vsetvl::cleanup_vsetvls): Ditto.
	(pass_vsetvl::commit_vsetvls): Ditto.
	(pass_vsetvl::init): Ditto.
	* config/riscv/riscv-vsetvl.h (enum fusion_type): New enum.
	(enum merge_type): New enum.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc
	(vector_infos_manager::vector_infos_manager): Add probability.
	(vector_infos_manager::dump): Ditto.
	(pass_vsetvl::compute_probabilities): Ditto.
	* config/riscv/riscv-vsetvl.h (struct vector_block_info): Ditto.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (vector_insn_info::operator==): Remove dirty_pat.
	(vector_insn_info::merge): Ditto.
	(vector_insn_info::dump): Ditto.
	(pass_vsetvl::merge_successors): Ditto.
	(pass_vsetvl::backward_demand_fusion): Ditto.
	(pass_vsetvl::forward_demand_fusion): Ditto.
	(pass_vsetvl::commit_vsetvls): Ditto.
	* config/riscv/riscv-vsetvl.h: Ditto.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (add_label_notes): Rename insn to
	rinsn.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (pass_vsetvl::backward_demand_fusion): Refine codes.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (pass_vsetvl::forward_demand_fusion):
	Add pre-check for redundant flow.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (vector_infos_manager::create_bitmap_vectors): New function.
	(vector_infos_manager::free_bitmap_vectors): Ditto.
	(pass_vsetvl::pre_vsetvl): Adjust codes.
	* config/riscv/riscv-vsetvl.h: New function declaration.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (can_backward_propagate_p): Fix for null iter_bb.
	(vector_insn_info::set_demand_info): New function.
	(pass_vsetvl::emit_local_forward_vsetvls): Adjust for refinement of Phase 3.
	(pass_vsetvl::merge_successors): Ditto.
	(pass_vsetvl::compute_global_backward_infos): Ditto.
	(pass_vsetvl::backward_demand_fusion): Ditto.
	(pass_vsetvl::forward_demand_fusion): Ditto.
	(pass_vsetvl::demand_fusion): New function.
	(pass_vsetvl::lazy_vsetvl): Adjust for refinement of phase 3.
	* config/riscv/riscv-vsetvl.h: New function declaration.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (vector_insn_info::operator>=): Fix available condition.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (change_vsetvl_insn): New function.
	(pass_vsetvl::compute_global_backward_infos): Simplify codes.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (loop_basic_block_p): Adjust function.
	(backward_propagate_worthwhile_p): Fix non-worthwhile.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (change_insn): Adjust in_group in validate_change.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vsetvl.cc (vector_infos_manager::all_same_avl_p): New function.
	(pass_vsetvl::can_refine_vsetvl_p): Add AVL check.
	(pass_vsetvl::commit_vsetvls): Ditto.
	* config/riscv/riscv-vsetvl.h: New function declaration.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/vector.md:

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vector-builtins-bases.cc (class loadstore): use
	pred_store for vse.
	* config/riscv/riscv-vector-builtins.cc
	(function_expander::add_mem_operand): Refine function.
	(function_expander::use_contiguous_load_insn): Adjust new
	implementation.
	(function_expander::use_contiguous_store_insn): Ditto.
	* config/riscv/riscv-vector-builtins.h: Refine function.
	* config/riscv/vector.md (@pred_store<mode>): New pattern.

2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

	* config/riscv/riscv-vector-builtins.cc: Change to scalar pointer.

2023-01-26  Marek Polacek  <polacek@redhat.com>

	PR middle-end/108543
	* opts.cc (parse_sanitizer_options): Don't always clear SANITIZE_ADDRESS
	if it was previously set.

2023-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108540
	* range-op-float.cc (foperator_equal::fold_range): If both op1 and op2
	are singletons, use range_true even if op1 != op2
	when one range is [-0.0, -0.0] and another [0.0, 0.0].  Similarly,
	even if intersection of the ranges is empty and one has
	zero low bound and another zero high bound, use range_true_and_false
	rather than range_false.
	(foperator_not_equal::fold_range): If both op1 and op2
	are singletons, use range_false even if op1 != op2
	when one range is [-0.0, -0.0] and another [0.0, 0.0].  Similarly,
	even if intersection of the ranges is empty and one has
	zero low bound and another zero high bound, use range_true_and_false
	rather than range_true.

2023-01-26  Jakub Jelinek  <jakub@redhat.com>

	* value-relation.cc (kind_string): Add const.
	(rr_negate_table, rr_swap_table, rr_intersect_table,
	rr_union_table, rr_transitive_table): Add static const, change
	element type from relation_kind to unsigned char.
	(relation_negate, relation_swap, relation_intersect, relation_union,
	relation_transitive): Cast rr_*_table element to relation_kind.
	(relation_to_code): Add static const.
	(relation_tests): Assert VREL_LAST is smaller than UCHAR_MAX.

2023-01-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108547
	* gimple-predicate-analysis.cc (value_sat_pred_p):
	Use widest_int.

2023-01-26  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	PR tree-optimization/108522
	* tree-object-size.cc (compute_object_offset): Make EXPR
	argument non-const.  Call component_ref_field_offset.

2023-01-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64-option-extensions.def (cssc): Specify
	FEATURE_STRING field.

2023-01-26  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/sourcebuild.texi: Refer to projects as GCC and GDB.

2023-01-25  Iain Sandoe  <iain@sandoe.co.uk>

	PR modula2/102343
	PR modula2/108182
	* gcc.cc: Provide default specs for Modula-2 so that when the
	language is not built-in better diagnostics are emitted for
	attempts to use .mod or .m2i file extensions.

2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/mve.md (mve_vqnegq_s<mode>): Fix spacing.

2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/mve.md (mve_vqabsq_s<mode>): Fix spacing.

2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/mve.md (mve_vnegq_f<mode>, mve_vnegq_s<mode>):
	Fix spacing.

2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/mve.md (@mve_vclzq_s<mode>): Fix spacing.

2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/mve.md (mve_vclsq_s<mode>): Fix spacing.

2023-01-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108523
	* tree-ssa-sccvn.cc (visit_phi): Avoid using the exclusive
	backedge value for the result when using predication to
	prove equivalence.

2023-01-25  Richard Biener  <rguenther@suse.de>

	* doc/lto.texi (Command line options): Reword and update reference
	to removed lto_read_all_file_options.

2023-01-25  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.md (umax<mode>3): Separate the CNT and CSSC
	tests.

2023-01-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi: Add Jose E. Marchesi.

2023-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108498
	* gimple-ssa-store-merging.cc (class store_operand_info):
	End coment with full stop rather than comma.
	(split_group): Likewise.
	(merged_store_group::apply_stores): Clear string_concatenation if
	start or end aren't on a byte boundary.

2023-01-25  Siddhesh Poyarekar  <siddhesh@gotplt.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108522
	* tree-object-size.cc (compute_object_offset): Use
	TREE_OPERAND(ref, 2) for COMPONENT_REF when available.

2023-01-24  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.md:
	Fix exit from loops detecting references before overwriting in the
	split pattern.

2023-01-24  Vladimir N. Makarov  <vmakarov@redhat.com>

	* lra-constraints.cc (get_hard_regno): Remove final_p arg.  Always
	do elimination but only for hard register.
	(operands_match_p, uses_hard_regs_p, process_alt_operands): Adjust
	calls of get_hard_regno.

2023-01-24  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	* config/s390/s390-d.cc (s390_d_target_versions): Fix detection
	of CPU version.

2023-01-24  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/108177
	* config/arm/mve.md (mve_vstrbq_p_<supf><mode>, mve_vstrhq_p_fv8hf,
	mve_vstrhq_p_<supf><mode>, mve_vstrwq_p_<supf>v4si): Add memory operand
	as input operand.

2023-01-24  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config.gcc(csky-*-linux*): Define CSKY_ENABLE_MULTILIB
	and only include 'csky/t-csky-linux' when enable multilib.
	* config/csky/csky-linux-elf.h(SYSROOT_SUFFIX_SPEC): Don't
	define it when disable multilib.

2023-01-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108500
	* dominance.h (calculate_dominance_info): Add parameter
	to indicate fast-query compute, defaulted to true.
	* dominance.cc (calculate_dominance_info): Honor
	fast-query compute parameter.
	* tree-cfgcleanup.cc (cleanup_tree_cfg_noloop): Do
	not compute the dominator fast-query DFS numbers.

2023-01-24  Eric Biggers  <ebiggers@google.com>

	PR bootstrap/90543
	* optc-save-gen.awk: Fix copy-and-paste error.

2023-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR c++/108474
	* cgraphbuild.cc: Include gimplify.h.
	(record_reference): Replace VAR_DECLs with DECL_HAS_VALUE_EXPR_P with
	their corresponding DECL_VALUE_EXPR expressions after unsharing.

2023-01-24  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	PR target/108505
	* config.gcc (tm_file): Move the variable out of loop.

2023-01-24  Lulu Cheng  <chenglulu@loongson.cn>
	    Yang Yujie  <yangyujie@loongson.cn>

	PR target/107731
	* config/loongarch/loongarch.cc (loongarch_classify_address):
	Add precessint for CONST_INT.
	(loongarch_print_operand_reloc): Operand modifier 'c' is supported.
	(loongarch_print_operand): Increase the processing of '%c'.
	* doc/extend.texi: Adds documents for LoongArch operand modifiers.
	And port the public operand modifiers information to this document.

2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* doc/invoke.texi (-mbranch-protection): Update documentation.

2023-01-23  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/sparc/freebsd.h (ENDFILE_SPEC): Don't add crtfastmath.o
	for -shared.
	* config/sparc/linux.h (ENDFILE_SPEC): Likewise.
	* config/sparc/linux64.h (ENDFILE_SPEC): Likewise.
	* config/sparc/sp-elf.h (ENDFILE_SPEC): Likewise.
	* config/sparc/sp64-elf.h (ENDFILE_SPEC): Likewise.

2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config/arm/aout.h (ra_auth_code): Add entry in enum.
	* config/arm/arm.cc (emit_multi_reg_push): Add RA_AUTH_CODE register
	to dwarf frame expression.
	(arm_emit_multi_reg_pop): Restore RA_AUTH_CODE register.
	(arm_expand_prologue): Update frame related information and reg notes
	for pac/pacbit insn.
	(arm_regno_class): Check for pac pseudo reigster.
	(arm_dbx_register_number): Assign ra_auth_code register number in dwarf.
	(arm_init_machine_status): Set pacspval_needed to zero.
	(arm_debugger_regno): Check for PAC register.
	(arm_unwind_emit_sequence): Print .save directive with ra_auth_code
	register.
	(arm_unwind_emit_set): Add entry for IP_REGNUM in switch case.
	(arm_unwind_emit): Update REG_CFA_REGISTER case._
	* config/arm/arm.h (FIRST_PSEUDO_REGISTER): Modify.
	(DWARF_PAC_REGNUM): Define.
	(IS_PAC_REGNUM): Likewise.
	(enum reg_class): Add PAC_REG entry.
	(machine_function): Add pacbti_needed state to structure.
	* config/arm/arm.md (RA_AUTH_CODE): Define.

2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config.gcc ($tm_file): Update variable.
	* config/arm/arm-mlib.h: Create new header file.
	* config/arm/t-rmprofile (MULTI_ARCH_DIRS_RM): Rename mbranch-protection
	multilib arch directory.
	(MULTILIB_REUSE): Add multilib reuse rules.
	(MULTILIB_MATCHES): Add multilib match rules.

2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config/arm/arm-cpus.in (cortex-m85): Define new CPU.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Likewise.
	* doc/invoke.texi (Arm Options): Document -mcpu=cortex-m85.
	* (-mfix-cmse-cve-2021-35465): Likewise.

2023-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108482
	* tree-vect-generic.cc (expand_vector_operations): Fold remaining
	.LOOP_DIST_ALIAS calls.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>

	* config.gcc (arm*-*-*): Add 'aarch-bti-insert.o' object.
	* config/arm/arm-protos.h: Update.
	* config/arm/aarch-common-protos.h: Declare
	'aarch_bti_arch_check'.
	* config/arm/arm.cc (aarch_bti_enabled) Update.
	(aarch_bti_j_insn_p, aarch_pac_insn_p, aarch_gen_bti_c)
	(aarch_gen_bti_j, aarch_bti_arch_check): New functions.
	* config/arm/arm.md (bti_nop): New insn.
	* config/arm/t-arm (PASSES_EXTRA): Add 'arm-passes.def'.
	(aarch-bti-insert.o): New target.
	* config/arm/unspecs.md (VUNSPEC_BTI_NOP): New unspec.
	* config/arm/aarch-bti-insert.cc (rest_of_insert_bti): Verify arch
	compatibility.
	(gate): Make use of 'aarch_bti_arch_check'.
	* config/arm/arm-passes.def: New file.
	* config/aarch64/aarch64.cc (aarch_bti_arch_check): New function.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>

	* config.gcc (aarch64*-*-*): Rename 'aarch64-bti-insert.o' into
	'aarch-bti-insert.o'.
	* config/aarch64/aarch64-protos.h: Remove 'aarch64_bti_enabled'
	proto.
	* config/aarch64/aarch64.cc (aarch_bti_enabled): Rename.
	(aarch_bti_j_insn_p, aarch_pac_insn_p): New functions.
	(aarch64_output_mi_thunk)
	(aarch64_print_patchable_function_entry)
	(aarch64_file_end_indicate_exec_stack): Update renamed function
	calls to renamed functions.
	* config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Likewise.
	* config/aarch64/t-aarch64 (aarch-bti-insert.o): Update
	target.
	* config/aarch64/aarch64-bti-insert.cc: Delete.
	* config/arm/aarch-bti-insert.cc: New file including and
	generalizing code from aarch64-bti-insert.cc.
	* config/arm/aarch-common-protos.h: Update.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/arm.h (arm_arch8m_main): Declare it.
	* config/arm/arm-protos.h (arm_current_function_pac_enabled_p):
	Declare it.
	* config/arm/arm.cc (arm_arch8m_main): Define it.
	(arm_option_reconfigure_globals): Set arm_arch8m_main.
	(arm_compute_frame_layout, arm_expand_prologue)
	(thumb2_expand_return, arm_expand_epilogue)
	(arm_conditional_register_usage): Update for pac codegen.
	(arm_current_function_pac_enabled_p): New function.
	(aarch_bti_enabled) New function.
	(use_return_insn): Return zero when pac is enabled.
	* config/arm/arm.md (pac_ip_lr_sp, pacbti_ip_lr_sp, aut_ip_lr_sp):
	Add new patterns.
	* config/arm/unspecs.md (UNSPEC_PAC_NOP)
	(VUNSPEC_PACBTI_NOP, VUNSPEC_AUT_NOP): Add unspecs.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/t-rmprofile: Add multilib rules for march +pacbti and
	mbranch-protection.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>

	* config/arm/arm.cc (arm_file_start): Emit EABI attributes for
	Tag_PAC_extension, Tag_BTI_extension, TAG_BTI_use, TAG_PACRET_use.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>
	    Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* ginclude/unwind-arm-common.h (_Unwind_VRS_RegClass): Introduce
	new pseudo register class _UVRSC_PAC.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>

	* config/arm/arm-c.cc (arm_cpu_builtins): Define
	__ARM_FEATURE_BTI_DEFAULT, __ARM_FEATURE_PAC_DEFAULT,
	__ARM_FEATURE_PAUTH and __ARM_FEATURE_BTI.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>

	* doc/sourcebuild.texi: Document arm_pacbti_hw.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>
	    Richard Earnshaw  <Richard.Earnshaw@arm.com>

	* config/arm/arm.cc (arm_configure_build_target): Parse and validate
	-mbranch-protection option and initialize appropriate data structures.
	* config/arm/arm.opt (-mbranch-protection): New option.
	* doc/invoke.texi (Arm Options): Document it.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>

	* config/arm/arm.h (TARGET_HAVE_PACBTI): New macro.
	* config/arm/arm-cpus.in (pacbti): New feature.
	* doc/invoke.texi (Arm Options): Document it.

2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
	    Tejas Belagod   <tbelagod@arm.com>

	* common/config/aarch64/aarch64-common.cc: Include aarch-common.h.
	(all_architectures): Fix comment.
	(aarch64_parse_extension): Rename return type, enum value names.
	* config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Rename
	factored out aarch_ra_sign_scope and aarch_ra_sign_key variables.
	Also rename corresponding enum values.
	* config/aarch64/aarch64-opts.h (aarch64_function_type): Factor
	out aarch64_function_type and move it to common code as
	aarch_function_type in aarch-common.h.
	* config/aarch64/aarch64-protos.h: Include common types header,
	move out types aarch64_parse_opt_result and aarch64_key_type to
	aarch-common.h
	* config/aarch64/aarch64.cc: Move mbranch-protection parsing types
	and functions out into aarch-common.h and aarch-common.cc.  Fix up
	all the name changes resulting from the move.
	* config/aarch64/aarch64.md: Fix up aarch64_ra_sign_key type name change
	and enum value.
	* config/aarch64/aarch64.opt: Include aarch-common.h to import
	type move.  Fix up name changes from factoring out common code and
	data.
	* config/arm/aarch-common-protos.h: Export factored out routines to both
	backends.
	* config/arm/aarch-common.cc: Include newly factored out types.
	Move all mbranch-protection code and data structures from
	aarch64.cc.
	* config/arm/aarch-common.h: New header that declares types shared
	between aarch32 and aarch64 backends.
	* config/arm/arm-protos.h: Declare types and variables that are
	made common to aarch64 and aarch32 backends - aarch_ra_sign_key,
	aarch_ra_sign_scope and aarch_enable_bti.
	* config/arm/arm.opt (config/arm/aarch-common.h): Include header.
	(aarch_ra_sign_scope, aarch_enable_bti): Declare variable.
	* config/arm/arm.cc: Add missing includes.

2023-01-23  Tobias Burnus  <tobias@codesourcery.com>

	* doc/install.texi (amdgcn, nvptx): Require newlib 4.3.0.

2023-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108449
	* cgraphunit.cc (check_global_declaration): Do not turn
	undefined statics into externs.

2023-01-22  Dimitar Dimitrov  <dimitar@dinux.eu>

	* config/pru/pru.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix value for QI
	and HI input modes.
	* config/pru/pru.md (clz): Fix generated code for QI and HI
	input modes.

2023-01-22  Cupertino Miranda  <cupertino.miranda@oracle.com>

	* config/v850/v850.cc (v850_select_section): Put const volatile
	objects into read-only sections.

2023-01-20  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/arm_neon.h (vmull_p64, vmull_high_p64, vaeseq_u8,
	vaesdq_u8, vaesmcq_u8, vaesimcq_u8): Gate under "nothing+aes".
	(vsha1*_u32, vsha256*_u32): Gate under "nothing+sha2".

2023-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108457
	* tree-ssa-loop-niter.cc (build_cltz_expr): Use
	SCALAR_INT_TYPE_MODE (utype) directly as C[LT]Z_DEFINED_VALUE_AT_ZERO
	argument instead of a temporary.  Formatting fixes.

2023-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108447
	* value-relation.cc (rr_union_table): Fix VREL_UNDEFINED row order.
	(relation_tests): Add self-tests for relation_{intersect,union}
	commutativity.
	* selftest.h (relation_tests): Declare.
	* function-tests.cc (test_ranges): Call it.

2023-01-19  H.J. Lu  <hjl.tools@gmail.com>

	PR target/108436
	* config/i386/i386-expand.cc (ix86_expand_builtin): Check
	invalid third argument to __builtin_ia32_prefetch.

2023-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/108459
	* omp-expand.cc (expand_omp_for_init_counts): Use fold_build1 rather
	than fold_unary for NEGATE_EXPR.

2023-01-19  Christophe Lyon  <christophe.lyon@arm.com>

	PR target/108411
	* config/aarch64/aarch64.cc (aarch64_layout_arg): Improve
	comment. Move assert about alignment a bit later.

2023-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108440
	* tree-ssa-forwprop.cc: Include gimple-range.h.
	(simplify_rotate): For the forms with T2 wider than T and shift counts of
	Y and B - Y add & (B - 1) masking for the rotate count if Y could be equal
	to B.  For the forms with T2 wider than T and shift counts of
	Y and (-Y) & (B - 1), don't punt if range could be [B, B2], but only if
	range doesn't guarantee Y < B or Y = N * B.  If range doesn't guarantee
	Y < B, also add & (B - 1) masking for the rotate count.  Use lazily created
	pass specific ranger instead of get_global_range_query.
	(pass_forwprop::execute): Disable that ranger at the end of pass if it has
	been created.

2023-01-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Use
	exact_log2 (INTVAL (operands[2])) >= 0 as condition for gating
	the pattern.
	(aarch64_simd_vec_copy_lane<mode>): Likewise.
	(aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.

2023-01-19  Alexandre Oliva  <oliva@adacore.com>

	PR debug/106746
	* sched-deps.cc (sched_analyze_2): Skip cselib address lookup
	within debug insns.

2023-01-18  Martin Jambor  <mjambor@suse.cz>

	PR ipa/107944
	* cgraph.cc (cgraph_node::remove): Check whether nodes up the
	lcone_of chain also do not need the body.

2023-01-18  Richard Biener  <rguenther@suse.de>

	Revert:
	2022-12-16  Richard Biener  <rguenther@suse.de>

	PR middle-end/108086
	* tree-inline.cc (remap_ssa_name): Do not unshare the
	result from the decl_map.

2023-01-18  Murray Steele  <murray.steele@arm.com>

	PR target/108442
	* config/arm/arm_mve.h (__arm_vst1q_p_u8): Use prefixed intrinsic
	function.
	(__arm_vst1q_p_s8): Likewise.
	(__arm_vld1q_z_u8): Likewise.
	(__arm_vld1q_z_s8): Likewise.
	(__arm_vst1q_p_u16): Likewise.
	(__arm_vst1q_p_s16): Likewise.
	(__arm_vld1q_z_u16): Likewise.
	(__arm_vld1q_z_s16): Likewise.
	(__arm_vst1q_p_u32): Likewise.
	(__arm_vst1q_p_s32): Likewise.
	(__arm_vld1q_z_u32): Likewise.
	(__arm_vld1q_z_s32): Likewise.
	(__arm_vld1q_z_f16): Likewise.
	(__arm_vst1q_p_f16): Likewise.
	(__arm_vld1q_z_f32): Likewise.
	(__arm_vst1q_p_f32): Likewise.

2023-01-18  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.md (xorsi3_internal):
	Rename from the original of "xorsi3".
	(xorsi3): New expansion pattern that emits addition rather than
	bitwise-XOR when the second source is a constant of -2147483648
	if TARGET_DENSITY.

2023-01-18  Kewen Lin  <linkw@linux.ibm.com>
	    Andrew Pinski  <apinski@marvell.com>

	PR target/108396
	* config/rs6000/rs6000-overload.def (VEC_VSUBCUQ): Fix typo
	vec_vsubcuqP with vec_vsubcuq.

2023-01-18  Kewen Lin  <linkw@linux.ibm.com>

	PR target/108348
	* config/rs6000/rs6000.cc (rs6000_opaque_type_invalid_use_p): Add the
	support for invalid uses of MMA opaque type in function arguments.

2023-01-18  liuhongt  <hongtao.liu@intel.com>

	PR target/55522
	* config/i386/cygwin.h (ENDFILE_SPEC): Link crtfastmath.o
	whenever -mdaz-ftz is specified. Don't link crtfastmath.o when
	-share or -mno-daz-ftz is specified.
	* config/i386/darwin.h (ENDFILE_SPEC): Ditto.
	* config/i386/mingw32.h (ENDFILE_SPEC): Ditto.

2023-01-17  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/bpf/bpf.cc (bpf_option_override): Disable
	-fstack-protector.

2023-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/106523
	* tree-ssa-forwprop.cc (simplify_rotate): For the
	patterns with (-Y) & (B - 1) in one operand's shift
	count and Y in another, if T2 has wider precision than T,
	punt if Y could have a value in [B, B2 - 1] range.

2023-01-16  H.J. Lu  <hjl.tools@gmail.com>

	PR target/105980
	* config/i386/i386.cc (x86_output_mi_thunk): Disable
	-mforce-indirect-call for PIC in 32-bit mode.

2023-01-16  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/106077
	* ipa-modref.cc (modref_access_analysis::analyze): Use
	find_always_executed_bbs.
	* ipa-sra.cc (process_scan_results): Likewise.
	* ipa-utils.cc (stmt_may_terminate_function_p): New function.
	(find_always_executed_bbs): New function.
	* ipa-utils.h (stmt_may_terminate_function_p): Declare.
	(find_always_executed_bbs): Declare.

2023-01-16  Jan Hubicka  <jh@suse.cz>

	* config/i386/i386.cc (ix86_vectorize_builtin_scatter): Guard scatter
	by TARGET_USE_SCATTER.
	* config/i386/i386.h (TARGET_USE_SCATTER_2PARTS,
	TARGET_USE_SCATTER_4PARTS, TARGET_USE_SCATTER): New macros.
	* config/i386/x86-tune.def (TARGET_USE_SCATTER_2PARTS,
	TARGET_USE_SCATTER_4PARTS, TARGET_USE_SCATTER): New tunes.
	(X86_TUNE_AVOID_256FMA_CHAINS, X86_TUNE_AVOID_512FMA_CHAINS): Disable
	for znver4.  (X86_TUNE_USE_GATHER): Disable for zen4.

2023-01-16  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/sol2.h (ENDFILE_SPEC): Don't add crtfastmath.o for -shared.

2023-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

	PR target/96795
	PR target/107515
	* config/arm/arm_mve.h (__ARM_mve_coerce2): Split types.
	(__ARM_mve_coerce3): Likewise.

2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>

	* tree-ssa-loop-niter.cc (build_popcount_expr): Add IFN support.

2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>

	* tree-ssa-loop-niter.cc (number_of_iterations_cltz): New.
	(number_of_iterations_bitcount): Add call to the above.
	(number_of_iterations_exit_assumptions): Add EQ_EXPR case for
	c[lt]z idiom recognition.

2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>

	* doc/sourcebuild.texi: Add missing target attributes.

2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>

	PR tree-optimization/94793
	* tree-scalar-evolution.cc (expression_expensive_p): Add checks
	for c[lt]z optabs.
	* tree-ssa-loop-niter.cc (build_cltz_expr): New.
	(number_of_iterations_cltz_complement): New.
	(number_of_iterations_bitcount): Add call to the above.

2023-01-16  Jonathan Wakely  <jwakely@redhat.com>

	* doc/extend.texi (Common Function Attributes): Fix grammar.

2023-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR other/108413
	* config/riscv/riscv-vsetvl.h: Add space in between Copyright and (C).
	* config/riscv/riscv-vsetvl.cc: Likewise.

2023-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR c++/105593
	* config/i386/xmmintrin.h (_mm_undefined_ps): Temporarily
	disable -Winit-self using pragma GCC diagnostic ignored.
	* config/i386/emmintrin.h (_mm_undefined_pd, _mm_undefined_si128):
	Likewise.
	* config/i386/avxintrin.h (_mm256_undefined_pd, _mm256_undefined_ps,
	_mm256_undefined_si256): Likewise.
	* config/i386/avx512fintrin.h (_mm512_undefined_pd,
	_mm512_undefined_ps, _mm512_undefined_epi32): Likewise.
	* config/i386/avx512fp16intrin.h (_mm_undefined_ph,
	_mm256_undefined_ph, _mm512_undefined_ph): Likewise.

2023-01-16  Kewen Lin  <linkw@linux.ibm.com>

	PR target/108272
	* config/rs6000/rs6000.cc (rs6000_opaque_type_invalid_use_p): Add the
	support for invalid uses in inline asm, factor out the checking and
	erroring to lambda function check_and_error_invalid_use.

2023-01-15  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/107608
	* range-op-float.cc (range_operator_float::fold_range): Avoid
	folding into INF when flag_trapping_math.
	* value-range.h (frange::known_isinf): Return false for possible NANs.

2023-01-15  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config.gcc (csky-*-*): Support --with-float=softfp.

2023-01-14  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa-protos.h (order_regs_for_local_alloc):
	Rename to xtensa_adjust_reg_alloc_order.
	* config/xtensa/xtensa.cc (xtensa_adjust_reg_alloc_order):
	Ditto.  And also remove code to reorder register numbers for
	leaf functions, rename the tables, and adjust the allocation
	order for the call0 ABI to use register A0 more.
	(xtensa_leaf_regs): Remove.
	* config/xtensa/xtensa.h (REG_ALLOC_ORDER): Cosmetics.
	(order_regs_for_local_alloc): Rename as the above.
	(LEAF_REGISTERS, LEAF_REG_REMAP, leaf_function): Remove.

2023-01-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* config/aarch64/aarch64-sve.md (aarch64_vec_duplicate_vq<mode>_le):
	Change to define_insn_and_split to fold ldr+dup to ld1rq.
	* config/aarch64/predicates.md (aarch64_sve_dup_ld1rq_operand): New.

2023-01-14  Alexandre Oliva  <oliva@adacore.com>

	* hash-table.h (is_deleted): Precheck !is_empty.
	(mark_deleted): Postcheck !is_empty.
	(copy constructor): Test is_empty before is_deleted.

2023-01-14  Alexandre Oliva  <oliva@adacore.com>

	PR target/40457
	* config/arm/arm.md (movmisaligndi): Prefer aligned SImode
	moves.

2023-01-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/108274
	* function.cc (thread_prologue_and_epilogue_insns): Also update the
	DF information for calls in a few more cases.

2023-01-13  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): Delete define.
	* config/pa/pa.cc (pa_init_libfuncs): Use MAX_SYNC_LIBFUNC_SIZE
	define.
	* config/pa/pa.h (TARGET_SYNC_LIBCALLS): Use flag_sync_libcalls.
	(MAX_SYNC_LIBFUNC_SIZE): Define.
	(TARGET_CPU_CPP_BUILTINS): Define __SOFTFP__ when soft float is
	enabled.
	* config/pa/pa.md (atomic_storeqi): Emit __atomic_exchange_1
	libcall when sync libcalls are disabled.
	(atomic_storehi, atomic_storesi, atomic_storedi): Likewise.
	(atomic_loaddi): Emit __atomic_load_8 libcall when sync libcalls
	are disabled on 32-bit target.
	* config/pa/pa.opt (matomic-libcalls): New option.
	* doc/invoke.texi (HPPA Options): Update.

2023-01-13  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/108117
	PR rtl-optimization/108132
	* sched-deps.cc (deps_analyze_insn): Do not schedule across
	calls before reload.

2023-01-13  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* common/config/arm/arm-common.cc (arm_canon_arch_option_1): Ignore cde
	options for -mlibarch.
	* config/arm/arm-cpus.in (begin cpu cortex-m55): Add cde options.
	* doc/invoke.texi (CDE): Document options for Cortex-M55 CPU.

2023-01-13  Qing Zhao  <qing.zhao@oracle.com>

	* attribs.cc (strict_flex_array_level_of): Move this function to ...
	* attribs.h (strict_flex_array_level_of): Remove the declaration.
	* gimple-array-bounds.cc (array_bounds_checker::check_array_ref):
	replace the referece to strict_flex_array_level_of with
	DECL_NOT_FLEXARRAY.
	* tree.cc (component_ref_size): Likewise.

2023-01-13  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/arm/linux-eabi.h (ENDFILE_SPEC): Don't add
	crtfastmath.o for -shared.
	* config/arm/unknown-elf.h (STARTFILE_SPEC): Likewise.

2023-01-13  Richard Biener  <rguenther@suse.de>

	PR target/55522
	* config/aarch64/aarch64-elf-raw.h (ENDFILE_SPEC): Don't add
	crtfastmath.o for -shared.
	* config/aarch64/aarch64-freebsd.h (GNU_USER_TARGET_MATHFILE_SPEC):
	Likewise.
	* config/aarch64/aarch64-linux.h (GNU_USER_TARGET_MATHFILE_SPEC):
	Likewise.

2023-01-13  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_dwarf_frame_reg_mode): New
	function.
	(TARGET_DWARF_FRAME_REG_MODE): Define.

2023-01-13  Richard Biener  <rguenther@suse.de>

	PR target/107209
	* config/aarch64/aarch64.cc (aarch64_gimple_fold_builtin): Don't
	update EH info on the fly.

2023-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108387
	* tree-ssa-sccvn.cc (visit_nary_op): Check for SSA_NAME
	value before inserting expression into the tables.

2023-01-12  Andrew Pinski  <apinski@marvell.com>
	    Roger Sayle  <roger@nextmovesoftware.com>

	PR tree-optimization/92342
	* match.pd ((m1 CMP m2) * d -> (m1 CMP m2) ? d : 0):
	Use tcc_comparison and :c for the multiply.
	(b & -(a CMP c) -> (a CMP c)?b:0): New pattern.

2023-01-12  Christophe Lyon  <christophe.lyon@arm.com>
	    Richard Sandiford  <richard.sandiford@arm.com>

	PR target/105549
	* config/aarch64/aarch64.cc (aarch64_function_arg_alignment):
	Check DECL_PACKED for bitfield.
	(aarch64_layout_arg): Warn when parameter passing ABI changes.
	(aarch64_function_arg_boundary): Do not warn here.
	(aarch64_gimplify_va_arg_expr): Warn when parameter passing ABI
	changes.

2023-01-12  Christophe Lyon  <christophe.lyon@arm.com>
	    Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_function_arg_alignment): Fix
	comment.
	(aarch64_layout_arg): Factorize warning conditions.
	(aarch64_function_arg_boundary): Fix typo.
	* function.cc (currently_expanding_function_start): New variable.
	(expand_function_start): Handle
	currently_expanding_function_start.
	* function.h (currently_expanding_function_start): Declare.

2023-01-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/99412
	* tree-ssa-reassoc.cc (is_phi_for_stmt): Remove.
	(swap_ops_for_binary_stmt): Remove reduction handling.
	(rewrite_expr_tree_parallel): Adjust.
	(reassociate_bb): Likewise.
	* tree-parloops.cc (build_new_reduction): Handle MINUS_EXPR.

2023-01-12  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.md (ctzsi2, ffssi2):
	Rearrange the emitting codes.

2023-01-12  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.md (*btrue):
	Correct value of the attribute "length" that depends on
	TARGET_DENSITY and operands, and add '?' character to the register
	constraint of the compared operand.

2023-01-12  Alexandre Oliva  <oliva@adacore.com>

	* hash-table.h (expand): Check elements and deleted counts.
	(verify): Likewise.

2023-01-11  Roger Sayle  <roger@nextmovesoftware.com>

	PR tree-optimization/71343
	* tree-ssa-sccvn.cc (visit_nary_op) <case LSHIFT_EXPR>: Make
	the value number of the expression X << C the same as the value
	number for the multiplication X * (1<<C).

2023-01-11  David Faust  <david.faust@oracle.com>

	PR target/108293
	* config/bpf/bpf.cc (bpf_print_operand): Correct handling for
	floating point modes.

2023-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/108199
	* tree-sra.cc (sra_modify_expr): Deal with reverse storage order
	for bit-field references.

2023-01-11  Kewen Lin  <linkw@linux.ibm.com>

	* config/rs6000/rs6000.cc (rs6000_option_override_internal): Make
	OPTION_MASK_P10_FUSION implicit setting honour Power10 tuning setting.
	* config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Remove
	OPTION_MASK_P10_FUSION.

2023-01-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/107767
	* tree-cfgcleanup.cc (phi_alternatives_equal): Export.
	* tree-cfgcleanup.h (phi_alternatives_equal): Declare.
	* tree-switch-conversion.cc (switch_conversion::collect):
	Count unique non-default targets accounting for later
	merging opportunities.

2023-01-11  Martin Liska  <mliska@suse.cz>

	PR middle-end/107976
	* params.opt: Limit JT params.
	* stmt.cc (emit_case_dispatch_table): Use auto_vec.

2023-01-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108352
	* tree-ssa-threadbackward.cc
	(back_threader_profitability::profitable_path_p): Adjust
	heuristic that allows non-multi-way branch threads creating
	irreducible loops.
	* doc/invoke.texi (--param fsm-scale-path-blocks): Remove.
	(--param fsm-scale-path-stmts): Adjust.
	* params.opt (--param=fsm-scale-path-blocks=): Remove.
	(-param=fsm-scale-path-stmts=): Adjust description.

2023-01-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108353
	* tree-ssa-propagate.cc (cfg_blocks_back, ssa_edge_worklist_back):
	Remove.
	(add_ssa_edge): Simplify.
	(add_control_edge): Likewise.
	(ssa_prop_init): Likewise.
	(ssa_prop_fini): Likewise.
	(ssa_propagation_engine::ssa_propagate): Likewise.

2023-01-11  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md (*not<mode>): New pattern.

2023-01-11  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.cc (xtensa_insn_cost):
	Let insn cost for size be obtained by applying COSTS_N_INSNS()
	to instruction length and then dividing by 3.

2023-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/106293
	* tree-ssa-dse.cc (dse_classify_store): Use a worklist to
	process degenerate PHI defs.

2023-01-10  Roger Sayle  <roger@nextmovesoftware.com>

	PR rtl-optimization/106421
	* cprop.cc (bypass_block): Check that DEST is local to this
	function (non-NULL) before calling find_edge.

2023-01-10  Martin Jambor  <mjambor@suse.cz>

	PR ipa/108110
	* ipa-param-manipulation.h (ipa_param_body_adjustments): New members
	sort_replacements, lookup_first_base_replacement and
	m_sorted_replacements_p.
	* ipa-param-manipulation.cc: Define INCLUDE_ALGORITHM.
	(ipa_param_body_adjustments::register_replacement): Set
	m_sorted_replacements_p to false.
	(compare_param_body_replacement): New function.
	(ipa_param_body_adjustments::sort_replacements): Likewise.
	(ipa_param_body_adjustments::common_initialization): Call
	sort_replacements.
	(ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
	m_sorted_replacements_p.
	(ipa_param_body_adjustments::lookup_replacement_1): Rework to use
	std::lower_bound.
	(ipa_param_body_adjustments::lookup_first_base_replacement): New
	function.
	(ipa_param_body_adjustments::modify_call_stmt): Use
	lookup_first_base_replacement.
	* omp-simd-clone.cc (ipa_simd_modify_function_body): Call
	adjustments->sort_replacements.

2023-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/108314
	* tree-vect-stmts.cc (vectorizable_condition): Do not
	perform BIT_NOT_EXPR optimization for EXTRACT_LAST_REDUCTION.

2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config/csky/csky-linux-elf.h (SYSROOT_SUFFIX_SPEC): New.

2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config/csky/csky.h (MULTILIB_DEFAULTS): Fix float abi option.

2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config/csky/csky.cc (csky_cpu_cpp_builtins): Add builtin
	defines for soft float abi.

2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config/csky/csky.md (smart_bseti): Change condition to CSKY_ISA_FEATURE (E1).
	(smart_bclri): Likewise.
	(fast_bseti): Change condition to CSKY_ISA_FEATURE (E2).
	(fast_bclri): Likewise.
	(fast_cmpnesi_i): Likewise.
	(*fast_cmpltsi_i): Likewise.
	(*fast_cmpgeusi_i): Likewise.

2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>

	* config/csky/csky_insn_fpuv3.md (l<frm_pattern><fixsuop><mode>si2): Test
	flag_fp_int_builtin_inexact || !flag_trapping_math.
	(<frm_pattern><mode>2): Likewise.

2023-01-10  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.cc (s390_register_info): Check call_used_regs
	instead of hard-coding the register numbers for call saved
	registers.
	(s390_optimize_register_info): Likewise.

2023-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/gm2.texi (Overview): Fix @node markers.
	(Using): Likewise.  Remove subsections that were moved to Overview
	from the menu and move others around.

2023-01-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/108209
	* genmatch.cc (commutative_op): Fix return value for
	user-id with non-commutative first replacement.

2023-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/107453
	* calls.cc (expand_call): For calls with
	TYPE_NO_NAMED_ARGS_STDARG_P (funtype) use zero for n_named_args.
	Formatting fix.

2023-01-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/69482
	* cfgexpand.cc (discover_nonconstant_array_refs_r): Volatile
	qualified accesses also force objects to memory.

2023-01-09  Martin Liska  <mliska@suse.cz>

	PR lto/108330
	* lto-cgraph.cc (compute_ltrans_boundary): Do not insert
	NULL (deleleted value) to a hash_set.

2023-01-08  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.md (*splice_bits):
	New insn_and_split pattern.

2023-01-07  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

	* config/xtensa/xtensa.cc
	(xtensa_split_imm_two_addends, xtensa_emit_add_imm):
	New helper functions.
	(xtensa_set_return_address, xtensa_output_mi_thunk):
	Change to use the helper function.
	(xtensa_emit_adjust_stack_ptr): Ditto.
	And also change to try reusing the content of scratch register
	A9 if the register is not modified in the function body.

2023-01-07  LIU Hao  <lh_mouse@126.com>

	PR middle-end/108300
	* config/xtensa/xtensa-dynconfig.c: Define `WIN32_LEAN_AND_MEAN`
	before <windows.h>.
	* diagnostic-color.cc: Likewise.
	* plugin.cc: Likewise.
	* prefix.cc: Likewise.

2023-01-06  Joseph Myers  <joseph@codesourcery.com>

	* doc/extend.texi (__builtin_tgmath): Do not restate standard rule
	for handling real integer types.

2023-01-06  Tamar Christina  <tamar.christina@arm.com>

	Revert:
	2022-12-12  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-simd.md (*aarch64_simd_movv2hf): New.
	(mov<mode>, movmisalign<mode>, aarch64_dup_lane<mode>,
	aarch64_store_lane0<mode>, aarch64_simd_vec_set<mode>,
	@aarch64_simd_vec_copy_lane<mode>, vec_set<mode>,
	reduc_<optab>_scal_<mode>, reduc_<fmaxmin>_scal_<mode>,
	aarch64_reduc_<optab>_internal<mode>, aarch64_get_lane<mode>,
	vec_init<mode><Vel>, vec_extract<mode><Vel>): Support V2HF.
	(aarch64_simd_dupv2hf): New.
	* config/aarch64/aarch64.cc (aarch64_classify_vector_mode):
	Add E_V2HFmode.
	* config/aarch64/iterators.md (VHSDF_P): New.
	(V2F, VMOVE, nunits, Vtype, Vmtype, Vetype, stype, VEL,
	Vel, q, vp): Add V2HF.
	* config/arm/types.md (neon_fp_reduc_add_h): New.

2023-01-06  Martin Liska  <mliska@suse.cz>

	PR middle-end/107966
	* doc/options.texi: Fix Var documentation in internal manual.

2023-01-05  Roger Sayle  <roger@nextmovesoftware.com>

	Revert:
	2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>

	* config/i386/i386-expand.cc (ix86_expand_int_movcc): Rewrite
	RTL expansion to allow condition (mask) to be shared/reused,
	by avoiding overwriting pseudos and adding REG_EQUAL notes.

2023-01-05  Iain Sandoe  <iain@sandoe.co.uk>

	* common.opt: Add -static-libgm2.
	* config/darwin.h (LINK_SPEC): Handle static-libgm2.
	* doc/gm2.texi: Document static-libgm2.
	* gcc.cc (driver_handle_option): Allow static-libgm2.

2023-01-05  Tejas Joshi  <TejasSanjay.Joshi@amd.com>

	* common/config/i386/i386-common.cc (processor_alias_table):
	Use CPU_ZNVER4 for znver4.
	* config/i386/i386.md: Add znver4.md.
	* config/i386/znver4.md: New.

2023-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/108253
	* tree-vrp.cc (maybe_set_nonzero_bits): Handle var with pointer
	types.

2023-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/108237
	* generic-match-head.cc: Include tree-pass.h.
	(canonicalize_math_p, optimize_vectors_before_lowering_p): Define
	to false if cfun and cfun->curr_properties has PROP_gimple_opt_math
	resp. PROP_gimple_lvec property set.

2023-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/108256
	* convert.cc (do_narrow): Punt for MULT_EXPR if original
	type doesn't wrap around and -fsanitize=signed-integer-overflow
	is on.
	* fold-const.cc (fold_unary_loc) <CASE_CONVERT>: Likewise.

2023-01-04  Hu, Lin1  <lin1.hu@intel.com>

	* common/config/i386/cpuinfo.h (get_intel_cpu): Handle Emeraldrapids.
	* common/config/i386/i386-common.cc: Add Emeraldrapids.

2023-01-04  Hu, Lin1  <lin1.hu@intel.com>

	* common/config/i386/cpuinfo.h (get_intel_cpu): Remove case 0xb5
	for meteorlake.

2023-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* cgraph.h (struct cgraph_node): Add gc_candidate bit, modify
	default constructor to initialize it.
	* cgraphunit.cc (expand_all_functions): Save gc_candidate functions
	for last and iterate to handle recursive calls.  Delete leftover
	candidates at the end.
	* omp-simd-clone.cc (simd_clone_create): Set gc_candidate bit
	on local clones.
	* tree-vect-stmts.cc (vectorizable_simd_clone_call): Clear
	gc_candidate bit when a clone is used.

2023-01-03  Florian Weimer  <fweimer@redhat.com>

	Revert:
	2023-01-02  Florian Weimer  <fweimer@redhat.com>

	* dwarf2cfi.cc (init_return_column_size): Remove.
	(init_one_dwarf_reg_size): Adjust.
	(generate_dwarf_reg_sizes): New function.  Extracted
	from expand_builtin_init_dwarf_reg_sizes.
	(expand_builtin_init_dwarf_reg_sizes): Call
	generate_dwarf_reg_sizes.
	* target.def (init_dwarf_reg_sizes_extra): Adjust
	hook signature.
	* config/msp430/msp430.cc
	(msp430_init_dwarf_reg_sizes_extra): Adjust.
	* config/rs6000/rs6000.cc
	(rs6000_init_dwarf_reg_sizes_extra): Likewise.
	* doc/tm.texi: Update.

2023-01-03  Florian Weimer  <fweimer@redhat.com>

	Revert:
	2023-01-02  Florian Weimer  <fweimer@redhat.com>

	* debug.h (dwarf_reg_sizes_constant): Declare.
	* dwarf2cfi.cc (dwarf_reg_sizes_constant): New function.

2023-01-03  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	PR tree-optimization/105043
	* doc/extend.texi (Object Size Checking): Split out into two
	subsections and mention _FORTIFY_SOURCE.

2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>

	* config/i386/i386-expand.cc (ix86_expand_int_movcc): Rewrite
	RTL expansion to allow condition (mask) to be shared/reused,
	by avoiding overwriting pseudos and adding REG_EQUAL notes.

2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>

	PR target/108229
	* config/i386/i386-features.cc
	(general_scalar_chain::compute_convert_gain) <case PLUS>: Consider
	the gain/cost of converting a MEM operand.

2023-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/108264
	* expr.cc (store_expr): For stores into SUBREG_PROMOTED_* targets
	from source which doesn't have scalar integral mode first convert
	it to outer_mode.

2023-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/108263
	* cfgrtl.cc (fixup_reorder_chain): Avoid trying to redirect
	asm goto to EXIT.

2023-01-02  Alexander Monakov  <amonakov@ispras.ru>

	PR target/87832
	* config/i386/lujiazui.md (lujiazui_div): New automaton.
	(lua_div): New unit.
	(lua_idiv_qi): Correct unit in the reservation.
	(lua_idiv_qi_load): Ditto.
	(lua_idiv_hi): Ditto.
	(lua_idiv_hi_load): Ditto.
	(lua_idiv_si): Ditto.
	(lua_idiv_si_load): Ditto.
	(lua_idiv_di): Ditto.
	(lua_idiv_di_load): Ditto.
	(lua_fdiv_SF): Ditto.
	(lua_fdiv_SF_load): Ditto.
	(lua_fdiv_DF): Ditto.
	(lua_fdiv_DF_load): Ditto.
	(lua_fdiv_XF): Ditto.
	(lua_fdiv_XF_load): Ditto.
	(lua_ssediv_SF): Ditto.
	(lua_ssediv_load_SF): Ditto.
	(lua_ssediv_V4SF): Ditto.
	(lua_ssediv_load_V4SF): Ditto.
	(lua_ssediv_V8SF): Ditto.
	(lua_ssediv_load_V8SF): Ditto.
	(lua_ssediv_SD): Ditto.
	(lua_ssediv_load_SD): Ditto.
	(lua_ssediv_V2DF): Ditto.
	(lua_ssediv_load_V2DF): Ditto.
	(lua_ssediv_V4DF): Ditto.
	(lua_ssediv_load_V4DF): Ditto.

2023-01-02  Florian Weimer  <fweimer@redhat.com>

	* debug.h (dwarf_reg_sizes_constant): Declare.
	* dwarf2cfi.cc (dwarf_reg_sizes_constant): New function.

2023-01-02  Florian Weimer  <fweimer@redhat.com>

	* dwarf2cfi.cc (init_return_column_size): Remove.
	(init_one_dwarf_reg_size): Adjust.
	(generate_dwarf_reg_sizes): New function.  Extracted
	from expand_builtin_init_dwarf_reg_sizes.
	(expand_builtin_init_dwarf_reg_sizes): Call
	generate_dwarf_reg_sizes.
	* target.def (init_dwarf_reg_sizes_extra): Adjust
	hook signature.
	* config/msp430/msp430.cc
	(msp430_init_dwarf_reg_sizes_extra): Adjust.
	* config/rs6000/rs6000.cc
	(rs6000_init_dwarf_reg_sizes_extra): Likewise.
	* doc/tm.texi: Update.

2023-01-02  Jakub Jelinek  <jakub@redhat.com>

	* gcc.cc (process_command): Update copyright notice dates.
	* gcov-dump.cc (print_version): Ditto.
	* gcov.cc (print_version): Ditto.
	* gcov-tool.cc (print_version): Ditto.
	* gengtype.cc (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.

2023-01-01  Roger Sayle  <roger@nextmovesoftware.com>
	    Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (extendditi2): New define_insn.
	(define_split): Use DWIH mode iterator to treat new extendditi2
	identically to existing extendsidi2_1.
	(define_peephole2): Likewise.
	(define_peephole2): Likewise.
	(define_Split): Likewise.


Copyright (C) 2023 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.