path: root/gcc/ChangeLog

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.


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