Daily bump.

[thirdparty/gcc.git] / gcc / ChangeLog

2023-03-06  Paul-Antoine Arras  <pa@codesourcery.com>

        * config/gcn/gcn-valu.md (<expander><mode>3_exec): Add patterns for
        {s|u}{max|min} in QI, HI and DI modes.
        (<expander><mode>3): Add pattern for {s|u}{max|min} in DI mode.
        (cond_<fexpander><mode>): Add pattern for cond_f{max|min}.
        (cond_<expander><mode>): Add pattern for cond_{s|u}{max|min}.
        * config/gcn/gcn.cc (gcn_spill_class): Allow the exec register to be
        saved in SGPRs.

2023-03-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/109025
        * tree-vect-loop.cc (vect_is_simple_reduction): Verify
        the inner LC PHI use is the inner loop PHI latch definition
        before classifying an outer PHI as double reduction.

2023-03-06  Jan Hubicka  <hubicka@ucw.cz>

        PR target/108429
        * config/i386/x86-tune.def (X86_TUNE_USE_SCATTER_2PARTS): Enable for
        generic.
        (X86_TUNE_USE_SCATTER_4PARTS): Likewise.
        (X86_TUNE_USE_SCATTER): Likewise.

2023-03-06  Xi Ruoyao  <xry111@xry111.site>

        PR target/109000
        * config/loongarch/loongarch.h (FP_RETURN): Use
        TARGET_*_FLOAT_ABI instead of TARGET_*_FLOAT.
        (UNITS_PER_FP_ARG): Likewise.

2023-03-05  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vsetvl.cc (reg_available_p): Fix bug.
        (pass_vsetvl::backward_demand_fusion): Ditto.

2023-03-05  Liao Shihua  <shihua@iscas.ac.cn>
            SiYu Wu  <siyu@isrc.iscas.ac.cn>

        * config/riscv/crypto.md (riscv_sm3p0_<mode>): Add ZKSED's and ZKSH's
        instructions.
        (riscv_sm3p1_<mode>): New.
        (riscv_sm4ed_<mode>): New.
        (riscv_sm4ks_<mode>): New.
        * config/riscv/riscv-builtins.cc (AVAIL): Add ZKSED's and ZKSH's AVAIL.
        * config/riscv/riscv-scalar-crypto.def (RISCV_BUILTIN): Add ZKSED's and
        ZKSH's built-in functions.

2023-03-05  Liao Shihua  <shihua@iscas.ac.cn>
            SiYu Wu  <siyu@isrc.iscas.ac.cn>

        * config/riscv/crypto.md (riscv_sha256sig0_<mode>): Add ZKNH's instructions.
        (riscv_sha256sig1_<mode>): New.
        (riscv_sha256sum0_<mode>): New.
        (riscv_sha256sum1_<mode>): New.
        (riscv_sha512sig0h): New.
        (riscv_sha512sig0l): New.
        (riscv_sha512sig1h): New.
        (riscv_sha512sig1l): New.
        (riscv_sha512sum0r): New.
        (riscv_sha512sum1r): New.
        (riscv_sha512sig0): New.
        (riscv_sha512sig1): New.
        (riscv_sha512sum0): New.
        (riscv_sha512sum1): New.
        * config/riscv/riscv-builtins.cc (AVAIL): And ZKNH's AVAIL.
        * config/riscv/riscv-scalar-crypto.def (RISCV_BUILTIN): And ZKNH's
        built-in functions.
        (DIRECT_BUILTIN): Add new.

2023-03-05  Liao Shihua  <shihua@iscas.ac.cn>
            SiYu Wu  <siyu@isrc.iscas.ac.cn>

        * config/riscv/constraints.md (D03): Add constants of bs and rnum.
        (DsA): New.
        * config/riscv/crypto.md (riscv_aes32dsi): Add ZKND's and ZKNE's instructions.
        (riscv_aes32dsmi): New.
        (riscv_aes64ds): New.
        (riscv_aes64dsm): New.
        (riscv_aes64im): New.
        (riscv_aes64ks1i): New.
        (riscv_aes64ks2): New.
        (riscv_aes32esi): New.
        (riscv_aes32esmi): New.
        (riscv_aes64es): New.
        (riscv_aes64esm): New.
        * config/riscv/riscv-builtins.cc (AVAIL): Add ZKND's and ZKNE's AVAIL.
        * config/riscv/riscv-scalar-crypto.def (DIRECT_BUILTIN): Add ZKND's and
        ZKNE's built-in functions.

2023-03-05  Liao Shihua  <shihua@iscas.ac.cn>
            SiYu Wu  <siyu@isrc.iscas.ac.cn>

        * config/riscv/bitmanip.md: Add ZBKB's instructions.
        * config/riscv/riscv-builtins.cc (AVAIL): Add new.
        * config/riscv/riscv.md: Add new type for crypto instructions.
        * config/riscv/crypto.md: Add Scalar Cryptography extension's machine
        description file.
        * config/riscv/riscv-scalar-crypto.def: Add Scalar Cryptography
        extension's built-in function file.

2023-03-05  Liao Shihua  <shihua@iscas.ac.cn>
            SiYu Wu  <siyu@isrc.iscas.ac.cn>

        * config/riscv/riscv-builtins.cc (RISCV_FTYPE_NAME2): New.
        (RISCV_FTYPE_NAME3): New.
        (RISCV_ATYPE_QI): New.
        (RISCV_ATYPE_HI): New.
        (RISCV_FTYPE_ATYPES2): New.
        (RISCV_FTYPE_ATYPES3): New.
        * config/riscv/riscv-ftypes.def (2): New.
        (3): New.

2023-03-05  Vineet Gupta  <vineetg@rivosinc.com>

        * config/riscv/riscv.cc (riscv_rtx_costs): Fixed IN_RANGE() to
        use exact_log2().

2023-03-05  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
            kito-cheng  <kito.cheng@sifive.com>

        * config/riscv/predicates.md (vector_any_register_operand): New predicate.
        * config/riscv/riscv-c.cc (riscv_check_builtin_call): New function.
        (riscv_register_pragmas): Add builtin function check call.
        * config/riscv/riscv-protos.h (RVV_VUNDEF): Adapt macro.
        (check_builtin_call): New function.
        * config/riscv/riscv-vector-builtins-bases.cc (class vundefined): New class.
        (class vreinterpret): Ditto.
        (class vlmul_ext): Ditto.
        (class vlmul_trunc): Ditto.
        (class vset): Ditto.
        (class vget): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vluxei8): Change name.
        (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.
        (vundefined): Add new intrinsic.
        (vreinterpret): Ditto.
        (vlmul_ext): Ditto.
        (vlmul_trunc): Ditto.
        (vset): Ditto.
        (vget): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct return_mask_def): New class.
        (struct narrow_alu_def): Ditto.
        (struct reduc_alu_def): Ditto.
        (struct vundefined_def): Ditto.
        (struct misc_def): Ditto.
        (struct vset_def): Ditto.
        (struct vget_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_EEW8_INTERPRET_OPS): New def.
        (DEF_RVV_EEW16_INTERPRET_OPS): Ditto.
        (DEF_RVV_EEW32_INTERPRET_OPS): Ditto.
        (DEF_RVV_EEW64_INTERPRET_OPS): Ditto.
        (DEF_RVV_X2_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X4_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X8_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X16_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X32_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X64_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_LMUL1_OPS): Ditto.
        (DEF_RVV_LMUL2_OPS): Ditto.
        (DEF_RVV_LMUL4_OPS): Ditto.
        (vint16mf4_t): Ditto.
        (vint16mf2_t): Ditto.
        (vint16m1_t): Ditto.
        (vint16m2_t): Ditto.
        (vint16m4_t): Ditto.
        (vint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vint64m1_t): Ditto.
        (vint64m2_t): Ditto.
        (vint64m4_t): Ditto.
        (vint64m8_t): Ditto.
        (vuint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        (vint8mf4_t): Ditto.
        (vint8mf2_t): Ditto.
        (vint8m1_t): Ditto.
        (vint8m2_t): Ditto.
        (vint8m4_t): Ditto.
        (vint8m8_t): Ditto.
        (vuint8mf4_t): Ditto.
        (vuint8mf2_t): Ditto.
        (vuint8m1_t): Ditto.
        (vuint8m2_t): Ditto.
        (vuint8m4_t): Ditto.
        (vuint8m8_t): Ditto.
        (vint8mf8_t): Ditto.
        (vuint8mf8_t): Ditto.
        (vfloat32mf2_t): Ditto.
        (vfloat32m1_t): Ditto.
        (vfloat32m2_t): Ditto.
        (vfloat32m4_t): Ditto.
        (vfloat64m1_t): Ditto.
        (vfloat64m2_t): Ditto.
        (vfloat64m4_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_TYPE): Ditto.
        (DEF_RVV_EEW8_INTERPRET_OPS): Ditto.
        (DEF_RVV_EEW16_INTERPRET_OPS): Ditto.
        (DEF_RVV_EEW32_INTERPRET_OPS): Ditto.
        (DEF_RVV_EEW64_INTERPRET_OPS): Ditto.
        (DEF_RVV_X2_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X4_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X8_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X16_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X32_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_X64_VLMUL_EXT_OPS): Ditto.
        (DEF_RVV_LMUL1_OPS): Ditto.
        (DEF_RVV_LMUL2_OPS): Ditto.
        (DEF_RVV_LMUL4_OPS): Ditto.
        (DEF_RVV_TYPE_INDEX): Ditto.
        (required_extensions_p): Adapt for new intrinsic support/
        (get_required_extensions): New function.
        (check_required_extensions): Ditto.
        (unsigned_base_type_p): Remove.
        (rvv_arg_type_info::get_scalar_ptr_type): New function.
        (get_mode_for_bitsize): Remove.
        (rvv_arg_type_info::get_scalar_const_ptr_type): New function.
        (rvv_arg_type_info::get_base_vector_type): Ditto.
        (rvv_arg_type_info::get_function_type_index): Ditto.
        (DEF_RVV_BASE_TYPE): New def.
        (function_builder::apply_predication): New class.
        (function_expander::mask_mode): Ditto.
        (function_checker::function_checker): Ditto.
        (function_checker::report_non_ice): Ditto.
        (function_checker::report_out_of_range): Ditto.
        (function_checker::require_immediate): Ditto.
        (function_checker::require_immediate_range): Ditto.
        (function_checker::check): Ditto.
        (check_builtin_call): Ditto.
        * config/riscv/riscv-vector-builtins.def (DEF_RVV_TYPE): New def.
        (DEF_RVV_BASE_TYPE): Ditto.
        (DEF_RVV_TYPE_INDEX): Ditto.
        (vbool64_t): Ditto.
        (vbool32_t): Ditto.
        (vbool16_t): Ditto.
        (vbool8_t): Ditto.
        (vbool4_t): Ditto.
        (vbool2_t): Ditto.
        (vbool1_t): Ditto.
        (vuint8mf8_t): Ditto.
        (vuint8mf4_t): Ditto.
        (vuint8mf2_t): Ditto.
        (vuint8m1_t): Ditto.
        (vuint8m2_t): Ditto.
        (vint8m4_t): Ditto.
        (vuint8m4_t): Ditto.
        (vint8m8_t): Ditto.
        (vuint8m8_t): Ditto.
        (vint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        (vfloat32mf2_t): Ditto.
        (vfloat32m1_t): Ditto.
        (vfloat32m2_t): Ditto.
        (vfloat32m4_t): Ditto.
        (vfloat32m8_t): Ditto.
        (vfloat64m1_t): Ditto.
        (vfloat64m4_t): Ditto.
        (vector): Move it def.
        (scalar): Ditto.
        (mask): Ditto.
        (signed_vector): Ditto.
        (unsigned_vector): Ditto.
        (unsigned_scalar): Ditto.
        (vector_ptr): Ditto.
        (scalar_ptr): Ditto.
        (scalar_const_ptr): Ditto.
        (void): Ditto.
        (size): Ditto.
        (ptrdiff): Ditto.
        (unsigned_long): Ditto.
        (long): Ditto.
        (eew8_index): Ditto.
        (eew16_index): Ditto.
        (eew32_index): Ditto.
        (eew64_index): Ditto.
        (shift_vector): Ditto.
        (double_trunc_vector): Ditto.
        (quad_trunc_vector): Ditto.
        (oct_trunc_vector): Ditto.
        (double_trunc_scalar): Ditto.
        (double_trunc_signed_vector): Ditto.
        (double_trunc_unsigned_vector): Ditto.
        (double_trunc_unsigned_scalar): Ditto.
        (double_trunc_float_vector): Ditto.
        (float_vector): Ditto.
        (lmul1_vector): Ditto.
        (widen_lmul1_vector): Ditto.
        (eew8_interpret): Ditto.
        (eew16_interpret): Ditto.
        (eew32_interpret): Ditto.
        (eew64_interpret): Ditto.
        (vlmul_ext_x2): Ditto.
        (vlmul_ext_x4): Ditto.
        (vlmul_ext_x8): Ditto.
        (vlmul_ext_x16): Ditto.
        (vlmul_ext_x32): Ditto.
        (vlmul_ext_x64): Ditto.
        * config/riscv/riscv-vector-builtins.h (DEF_RVV_BASE_TYPE): New def.
        (struct function_type_info): New function.
        (struct rvv_arg_type_info): Ditto.
        (class function_checker): New class.
        (rvv_arg_type_info::get_scalar_type): New function.
        (rvv_arg_type_info::get_vector_type): Ditto.
        (function_expander::ret_mode): New function.
        (function_checker::arg_mode): Ditto.
        (function_checker::ret_mode): Ditto.
        * config/riscv/t-riscv: Add generator.
        * config/riscv/vector-iterators.md: New iterators.
        * config/riscv/vector.md (vundefined<mode>): New pattern.
        (@vundefined<mode>): Ditto.
        (@vreinterpret<mode>): Ditto.
        (@vlmul_extx2<mode>): Ditto.
        (@vlmul_extx4<mode>): Ditto.
        (@vlmul_extx8<mode>): Ditto.
        (@vlmul_extx16<mode>): Ditto.
        (@vlmul_extx32<mode>): Ditto.
        (@vlmul_extx64<mode>): Ditto.
        (*vlmul_extx2<mode>): Ditto.
        (*vlmul_extx4<mode>): Ditto.
        (*vlmul_extx8<mode>): Ditto.
        (*vlmul_extx16<mode>): Ditto.
        (*vlmul_extx32<mode>): Ditto.
        (*vlmul_extx64<mode>): Ditto.
        * config/riscv/genrvv-type-indexer.cc: New file.

2023-03-05  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-protos.h (enum vlen_enum): New enum.
        (slide1_sew64_helper): New function.
        * config/riscv/riscv-v.cc (compute_vlmax): Ditto.
        (get_unknown_min_value): Ditto.
        (force_vector_length_operand): Ditto.
        (gen_no_side_effects_vsetvl_rtx): Ditto.
        (get_vl_x2_rtx): Ditto.
        (slide1_sew64_helper): Ditto.
        * config/riscv/riscv-vector-builtins-bases.cc (class slideop): New class.
        (class vrgather): Ditto.
        (class vrgatherei16): Ditto.
        (class vcompress): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vslideup): Ditto.
        (vslidedown): Ditto.
        (vslide1up): Ditto.
        (vslide1down): Ditto.
        (vfslide1up): Ditto.
        (vfslide1down): Ditto.
        (vrgather): Ditto.
        (vrgatherei16): Ditto.
        (vcompress): Ditto.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_EI16_OPS): New macro.
        (vint8mf8_t): Ditto.
        (vint8mf4_t): Ditto.
        (vint8mf2_t): Ditto.
        (vint8m1_t): Ditto.
        (vint8m2_t): Ditto.
        (vint8m4_t): Ditto.
        (vint16mf4_t): Ditto.
        (vint16mf2_t): Ditto.
        (vint16m1_t): Ditto.
        (vint16m2_t): Ditto.
        (vint16m4_t): Ditto.
        (vint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vint64m1_t): Ditto.
        (vint64m2_t): Ditto.
        (vint64m4_t): Ditto.
        (vint64m8_t): Ditto.
        (vuint8mf8_t): Ditto.
        (vuint8mf4_t): Ditto.
        (vuint8mf2_t): Ditto.
        (vuint8m1_t): Ditto.
        (vuint8m2_t): Ditto.
        (vuint8m4_t): Ditto.
        (vuint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        (vfloat32mf2_t): Ditto.
        (vfloat32m1_t): Ditto.
        (vfloat32m2_t): Ditto.
        (vfloat32m4_t): Ditto.
        (vfloat32m8_t): Ditto.
        (vfloat64m1_t): Ditto.
        (vfloat64m2_t): Ditto.
        (vfloat64m4_t): Ditto.
        (vfloat64m8_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_EI16_OPS): Ditto.
        * config/riscv/riscv.md: Adjust RVV instruction types.
        * config/riscv/vector-iterators.md (down): New iterator.
        (=vd,vr): New attribute.
        (UNSPEC_VSLIDE1UP): New unspec.
        * config/riscv/vector.md (@pred_slide<ud><mode>): New pattern.
        (*pred_slide<ud><mode>): Ditto.
        (*pred_slide<ud><mode>_extended): Ditto.
        (@pred_gather<mode>): Ditto.
        (@pred_gather<mode>_scalar): Ditto.
        (@pred_gatherei16<mode>): Ditto.
        (@pred_compress<mode>): Ditto.

2023-03-05  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins.cc: Remove void_type_node.

2023-03-05  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/constraints.md (Wb1): New constraint.
        * config/riscv/predicates.md
        (vector_least_significant_set_mask_operand): New predicate.
        (vector_broadcast_mask_operand): Ditto.
        * config/riscv/riscv-protos.h (enum vlmul_type): Adjust.
        (gen_scalar_move_mask): New function.
        * config/riscv/riscv-v.cc (gen_scalar_move_mask): Ditto.
        * config/riscv/riscv-vector-builtins-bases.cc (class vmv): New class.
        (class vmv_s): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmv_x): Ditto.
        (vmv_s): Ditto.
        (vfmv_f): Ditto.
        (vfmv_s): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct scalar_move_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc (function_expander::mask_mode): Ditto.
        (function_expander::use_exact_insn): New function.
        (function_expander::use_contiguous_load_insn): New function.
        (function_expander::use_contiguous_store_insn): New function.
        (function_expander::use_ternop_insn): New function.
        (function_expander::use_widen_ternop_insn): New function.
        (function_expander::use_scalar_move_insn): New function.
        * config/riscv/riscv-vector-builtins.def (s): New operand suffix.
        * config/riscv/riscv-vector-builtins.h
        (function_expander::add_scalar_move_mask_operand): New class.
        * config/riscv/riscv-vsetvl.cc (ignore_vlmul_insn_p): New function.
        (scalar_move_insn_p): Ditto.
        (has_vsetvl_killed_avl_p): Ditto.
        (anticipatable_occurrence_p): Ditto.
        (insert_vsetvl): Ditto.
        (get_vl_vtype_info): Ditto.
        (calculate_sew): Ditto.
        (calculate_vlmul): Ditto.
        (incompatible_avl_p): Ditto.
        (different_sew_p): Ditto.
        (different_lmul_p): Ditto.
        (different_ratio_p): Ditto.
        (different_tail_policy_p): Ditto.
        (different_mask_policy_p): Ditto.
        (possible_zero_avl_p): Ditto.
        (first_ratio_invalid_for_second_sew_p): Ditto.
        (first_ratio_invalid_for_second_lmul_p): Ditto.
        (second_ratio_invalid_for_first_sew_p): Ditto.
        (second_ratio_invalid_for_first_lmul_p): Ditto.
        (second_sew_less_than_first_sew_p): Ditto.
        (first_sew_less_than_second_sew_p): Ditto.
        (compare_lmul): Ditto.
        (second_lmul_less_than_first_lmul_p): Ditto.
        (first_lmul_less_than_second_lmul_p): Ditto.
        (first_ratio_less_than_second_ratio_p): Ditto.
        (second_ratio_less_than_first_ratio_p): Ditto.
        (DEF_INCOMPATIBLE_COND): Ditto.
        (greatest_sew): Ditto.
        (first_sew): Ditto.
        (second_sew): Ditto.
        (first_vlmul): Ditto.
        (second_vlmul): Ditto.
        (first_ratio): Ditto.
        (second_ratio): Ditto.
        (vlmul_for_first_sew_second_ratio): Ditto.
        (ratio_for_second_sew_first_vlmul): Ditto.
        (DEF_SEW_LMUL_FUSE_RULE): Ditto.
        (always_unavailable): Ditto.
        (avl_unavailable_p): Ditto.
        (sew_unavailable_p): Ditto.
        (lmul_unavailable_p): Ditto.
        (ge_sew_unavailable_p): Ditto.
        (ge_sew_lmul_unavailable_p): Ditto.
        (ge_sew_ratio_unavailable_p): Ditto.
        (DEF_UNAVAILABLE_COND): Ditto.
        (same_sew_lmul_demand_p): Ditto.
        (propagate_avl_across_demands_p): Ditto.
        (reg_available_p): Ditto.
        (avl_info::has_non_zero_avl): Ditto.
        (vl_vtype_info::has_non_zero_avl): Ditto.
        (vector_insn_info::operator>=): Refactor.
        (vector_insn_info::parse_insn): Adjust for scalar move.
        (vector_insn_info::demand_vl_vtype): Remove.
        (vector_insn_info::compatible_p): New function.
        (vector_insn_info::compatible_avl_p): Ditto.
        (vector_insn_info::compatible_vtype_p): Ditto.
        (vector_insn_info::available_p): Ditto.
        (vector_insn_info::merge): Ditto.
        (vector_insn_info::fuse_avl): Ditto.
        (vector_insn_info::fuse_sew_lmul): Ditto.
        (vector_insn_info::fuse_tail_policy): Ditto.
        (vector_insn_info::fuse_mask_policy): Ditto.
        (vector_insn_info::dump): Ditto.
        (vector_infos_manager::release): Ditto.
        (pass_vsetvl::compute_local_backward_infos): Adjust for scalar move support.
        (pass_vsetvl::get_backward_fusion_type): Adjust for scalar move support.
        (pass_vsetvl::hard_empty_block_p): Ditto.
        (pass_vsetvl::backward_demand_fusion): Ditto.
        (pass_vsetvl::forward_demand_fusion): Ditto.
        (pass_vsetvl::refine_vsetvls): Ditto.
        (pass_vsetvl::cleanup_vsetvls): Ditto.
        (pass_vsetvl::commit_vsetvls): Ditto.
        (pass_vsetvl::propagate_avl): Ditto.
        * config/riscv/riscv-vsetvl.h (enum demand_status): New class.
        (struct demands_pair): Ditto.
        (struct demands_cond): Ditto.
        (struct demands_fuse_rule): Ditto.
        * config/riscv/vector-iterators.md: New iterator.
        * config/riscv/vector.md (@pred_broadcast<mode>): New pattern.
        (*pred_broadcast<mode>): Ditto.
        (*pred_broadcast<mode>_extended_scalar): Ditto.
        (@pred_extract_first<mode>): Ditto.
        (*pred_extract_first<mode>): Ditto.
        (@pred_extract_first_trunc<mode>): Ditto.
        * config/riscv/riscv-vsetvl.def: New file.

2023-03-05  Lin Sinan  <sinan.lin@linux.alibaba.com>

        * config/riscv/bitmanip.md: allow 0 constant in max/min
        pattern.

2023-03-05  Lin Sinan  <sinan.lin@linux.alibaba.com>

        * config/riscv/bitmanip.md: Fix wrong index in the check.

2023-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/109006
        * vec.cc (test_auto_alias): Adjust comment for removal of
        m_vecdata.
        * read-rtl-function.cc (function_reader::parse_block): Likewise.
        * gdbhooks.py: Likewise.

2023-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR testsuite/108973
        * selftest-diagnostic.cc
        (test_diagnostic_context::test_diagnostic_context): Set
        caret_max_width to 80.

2023-03-03  Alexandre Oliva  <oliva@adacore.com>

        * gimple-ssa-warn-access.cc
        (pass_waccess::check_dangling_stores): Skip non-stores.

2023-03-03  Alexandre Oliva  <oliva@adacore.com>

        * config/arm/vfp.md (*thumb2_movsi_vfp): Drop blank after tab
        after vmsr and vmrs, and lower the case of P0.

2023-03-03  Jonathan Wakely  <jwakely@redhat.com>

        PR middle-end/109006
        * gdbhooks.py (VecPrinter): Handle vec<T> as well as vec<T>*.

2023-03-03  Jonathan Wakely  <jwakely@redhat.com>

        PR middle-end/109006
        * gdbhooks.py (VecPrinter): Adjust for new vec layout.

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

        PR c/108986
        * gimple-ssa-warn-access.cc (pass_waccess::maybe_check_access_sizes):
        Return immediately if OPT_Wnonnull or OPT_Wstringop_overflow_ is
        suppressed on stmt.  For [static %E] warning, print access_nelts
        rather than access_size.  Fix up comment wording.

2023-03-03  Robin Dapp  <rdapp@linux.ibm.com>

        * config/s390/driver-native.cc (s390_host_detect_local_cpu): Use
        arch14 instead of z16.

2023-03-03  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.cc (TARGET_LRA_P): Remove.

2023-03-03  Anthony Green  <green@moxielogic.com>

        * config/moxie/constraints.md (A, B, W): Change
        define_constraint to define_memory_constraint.

2023-03-03  Xi Ruoyao  <xry111@xry111.site>

        * toplev.cc (process_options): Fix the spelling of
        "-fstack-clash-protection".

2023-03-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/109002
        * tree-ssa-pre.cc (compute_partial_antic_aux): Properly
        PHI-translate ANTIC_IN.

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

        PR tree-optimization/108988
        * gimple-fold.cc (gimple_fold_builtin_fputs): Fold len to
        size_type_node before passing it as argument to fwrite.  Formatting
        fixes.

2023-03-03  Richard Biener  <rguenther@suse.de>

        PR target/108738
        * config/i386/i386.opt (--param x86-stv-max-visits): New param.
        * doc/invoke.texi (--param x86-stv-max-visits): Document it.
        * config/i386/i386-features.h (scalar_chain::max_visits): New.
        (scalar_chain::build): Add bitmap parameter, return boolean.
        (scalar_chain::add_insn): Likewise.
        (scalar_chain::analyze_register_chain): Likewise.
        * config/i386/i386-features.cc (scalar_chain::scalar_chain):
        Initialize max_visits.
        (scalar_chain::analyze_register_chain): When we exhaust
        max_visits, abort.  Also abort when running into any
        disallowed insn.
        (scalar_chain::add_insn): Propagate abort.
        (scalar_chain::build): Likewise.  When aborting amend
        the set of disallowed insn with the insns set.
        (convert_scalars_to_vector): Adjust.  Do not convert aborted
        chains.

2023-03-03  Richard Biener  <rguenther@suse.de>

        PR debug/108772
        * dwarf2out.cc (dwarf2out_late_global_decl): Do not
        generate a DIE for a function scope static.

2023-03-03  Alexandre Oliva  <oliva@adacore.com>

        * config/vx-common.h (WINT_TYPE): Alias to "wchar_t".

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

        PR target/108883
        * target.h (emit_support_tinfos_callback): New typedef.
        * targhooks.h (default_emit_support_tinfos): Declare.
        * targhooks.cc (default_emit_support_tinfos): New function.
        * target.def (emit_support_tinfos): New target hook.
        * doc/tm.texi.in (emit_support_tinfos): Document it.
        * doc/tm.texi: Regenerated.
        * config/i386/i386.cc (ix86_emit_support_tinfos): New function.
        (TARGET_EMIT_SUPPORT_TINFOS): Redefine.

2023-03-02  Vladimir N. Makarov  <vmakarov@redhat.com>

        * ira-costs.cc: Include print-rtl.h.
        (record_reg_classes, scan_one_insn): Add code to print debug info.
        (record_operand_costs): Find and use smaller cost for hard reg
        move.

2023-03-02  Kwok Cheung Yeung  <kcy@codesourcery.com>
            Paul-Antoine Arras  <pa@codesourcery.com>

        * builtins.cc (mathfn_built_in_explicit): New.
        * config/gcn/gcn.cc: Include case-cfn-macros.h.
        (mathfn_built_in_explicit): Add prototype.
        (gcn_vectorize_builtin_vectorized_function): New.
        (gcn_libc_has_function): New.
        (TARGET_LIBC_HAS_FUNCTION): Define.
        (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.

2023-03-02  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/108979
        * tree-vect-stmts.cc (vectorizable_operation): Don't mask
        operations on invariants.

2023-03-02  Robin Dapp  <rdapp@linux.ibm.com>

        * config/s390/predicates.md (vll_bias_operand): Add -1 bias.
        * config/s390/s390.cc (s390_option_override_internal): Make
        partial vector usage the default from z13 on.
        * config/s390/vector.md (len_load_v16qi): Add.
        (len_store_v16qi): Add.

2023-03-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * simplify-rtx.cc (simplify_context::simplify_subreg): Use byte instead
        of constant 0 offset.

2023-03-02  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.cc (mips_set_text_contents_type): Use HOST_WIDE_INT
        instead of long.
        * config/mips/mips-protos.h (mips_set_text_contents_type): Likewise.

2023-03-02  Junxian Zhu  <zhujunxian@oss.cipunited.com>

        * config.gcc: add -with-{no-}msa build option.
        * config/mips/mips.h: Likewise.
        * doc/install.texi: Likewise.

2023-03-02  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/108603
        * explow.cc (convert_memory_address_addr_space_1): Only wrap
        the result of a recursive call in a CONST if no instructions
        were emitted.

2023-03-02  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/108430
        * tree-vect-stmts.cc (vectorizable_condition): Fix handling
        of inverted condition.

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

        PR c++/108934
        * fold-const.cc (native_interpret_expr) <case REAL_CST>: Before memcmp
        comparison copy the bytes from ptr to a temporary buffer and clearing
        padding bits in there.

2023-03-01  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/108545
        * gimplify.cc (struct tree_operand_hash_no_se): New.
        (omp_index_mapping_groups_1, omp_index_mapping_groups,
        omp_reindex_mapping_groups, omp_mapped_by_containing_struct,
        omp_tsort_mapping_groups_1, omp_tsort_mapping_groups,
        oacc_resolve_clause_dependencies, omp_build_struct_sibling_lists,
        gimplify_scan_omp_clauses): Use tree_operand_hash_no_se instead
        of tree_operand_hash.

2023-03-01  LIU Hao  <lh_mouse@126.com>

        PR pch/14940
        * config/i386/host-mingw32.cc (mingw32_gt_pch_get_address):
        Remove the size limit `pch_VA_max_size`

2023-03-01  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/108546
        * omp-low.cc (lower_omp_target): Remove optional handling
        on the receiver side, i.e. inside target (data), for
        use_device_ptr.

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

        PR debug/108967
        * cfgexpand.cc (expand_debug_expr): Handle WIDEN_{PLUS,MINUS}_EXPR
        and VEC_WIDEN_{PLUS,MINUS}_{HI,LO}_EXPR.

2023-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108970
        * tree-vect-loop-manip.cc (slpeel_can_duplicate_loop_p):
        Check we can copy the BBs.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Avoid redundant
        check.
        (vect_do_peeling): Streamline error handling.

2023-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108950
        * tree-vect-patterns.cc (vect_recog_widen_sum_pattern):
        Check oprnd0 is defined in the loop.
        * tree-vect-loop.cc (vectorizable_reduction): Record all
        operands vector types, compute that of invariants and
        properly update their SLP nodes.

2023-03-01  Kewen Lin  <linkw@linux.ibm.com>

        PR target/108240
        * config/rs6000/rs6000.cc (rs6000_option_override_internal): Allow
        implicit powerpc64 setting to be unset if 64 bit is enabled implicitly.

2023-02-28  Qing Zhao  <qing.zhao@oracle.com>

        PR middle-end/107411
        PR middle-end/107411
        * gimplify.cc (gimple_add_init_for_auto_var): Use sprintf to replace
        xasprintf.
        * tree-ssa-uninit.cc (warn_uninit): Handle the case when the
        LHS varaible of a .DEFERRED_INIT call doesn't have a DECL_NAME.

2023-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/108894
        * ubsan.cc (ubsan_expand_bounds_ifn): Emit index >= bound
        comparison rather than index > bound.
        * gimple-fold.cc (gimple_fold_call): Use tree_int_cst_lt
        rather than tree_int_cst_le for IFN_UBSAN_BOUND comparison.
        * doc/invoke.texi (-fsanitize=bounds): Document that whether
        flexible array member-like arrays are instrumented or not depends
        on -fstrict-flex-arrays* options of strict_flex_array attributes.
        (-fsanitize=bounds-strict): Document that flexible array members
        are not instrumented.

2023-02-27  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/108922
        Revert:
        * config/i386/i386.md (fmodxf3): Enable for flag_finite_math_only only.
        (fmod<mode>3): Ditto.
        (fpremxf4_i387): Ditto.
        (reminderxf3): Ditto.
        (reminder<mode>3): Ditto.
        (fprem1xf4_i387): Ditto.

2023-02-27  Roger Sayle  <roger@nextmovesoftware.com>

        * simplify-rtx.cc (simplify_unary_operation_1) <case FFS>: Avoid
        generating FFS with mismatched operand and result modes, by using
        an explicit SIGN_EXTEND/ZERO_EXTEND.
        <case POPCOUNT>: Likewise, for POPCOUNT of ZERO_EXTEND.
        <case PARITY>: Likewise, for PARITY of {ZERO,SIGN}_EXTEND.

2023-02-27  Patrick Palka  <ppalka@redhat.com>

        * hash-table.h (gt_pch_nx(hash_table<D>)): Remove static.
        * lra-int.h (lra_change_class): Likewise.
        * recog.h (which_op_alt): Likewise.
        * sel-sched-ir.h (sel_bb_empty_or_nop_p): Declare inline
        instead of static.

2023-02-27  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa-protos.h (xtensa_match_CLAMPS_imms_p):
        New prototype.
        * config/xtensa/xtensa.cc (xtensa_match_CLAMPS_imms_p):
        New function.
        * config/xtensa/xtensa.h (TARGET_CLAMPS): New macro definition.
        * config/xtensa/xtensa.md (*xtensa_clamps): New insn pattern.

2023-02-27  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa-dynconfig.cc (xtensa_get_config_v2)
        (xtensa_get_config_v3): New functions.

2023-02-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_abs<mode>): Fix typo in comment.

2023-02-27  Lulu Cheng  <chenglulu@loongson.cn>

        * config/host-linux.cc (TRY_EMPTY_VM_SPACE): Modify the value of
        the macro to 0x1000000000.

2023-02-25  Gaius Mulley  <gaiusmod2@gmail.com>

        PR modula2/108261
        * doc/gm2.texi (-fm2-pathname): New option documented.
        (-fm2-pathnameI): New option documented.
        (-fm2-prefix=): New option documented.
        (-fruntime-modules=): Update default module list.

2023-02-25  Max Filippov  <jcmvbkbc@gmail.com>

        PR target/108919
        * config/xtensa/xtensa-protos.h
        (xtensa_prepare_expand_call): Rename to xtensa_expand_call.
        * config/xtensa/xtensa.cc (xtensa_prepare_expand_call): Rename
        to xtensa_expand_call.
        (xtensa_expand_call): Emit the call and add a clobber expression
        for the static chain to it in case of windowed ABI.
        * config/xtensa/xtensa.md (call, call_value, sibcall)
        (sibcall_value): Call xtensa_expand_call and complete expansion
        right after that call.

2023-02-24  Richard Biener  <rguenther@suse.de>

        * vec.h (vec<T, A, vl_embed>::m_vecdata): Remove.
        (vec<T, A, vl_embed>::m_vecpfx): Align as T to avoid
        changing alignment of vec<T, A, vl_embed> and simplifying
        address.
        (vec<T, A, vl_embed>::address): Compute as this + 1.
        (vec<T, A, vl_embed>::embedded_size): Use sizeof the
        vector instead of the offset of the m_vecdata member.
        (auto_vec<T, N>::m_data): Turn storage into
        uninitialized unsigned char.
        (auto_vec<T, N>::auto_vec): Allow allocation of one
        stack member.  Initialize m_vec in a special way to
        avoid later stringop overflow diagnostics.
        * vec.cc (test_auto_alias): New.
        (vec_cc_tests): Call it.

2023-02-24  Richard Biener  <rguenther@suse.de>

        * vec.h (vec<T, A, vl_embed>::lower_bound): Adjust to
        take a const reference to the object, use address to
        access data.
        (vec<T, A, vl_embed>::contains): Use address to access data.
        (vec<T, A, vl_embed>::operator[]): Use address instead of
        m_vecdata to access data.
        (vec<T, A, vl_embed>::iterate): Likewise.
        (vec<T, A, vl_embed>::copy): Likewise.
        (vec<T, A, vl_embed>::quick_push): Likewise.
        (vec<T, A, vl_embed>::pop): Likewise.
        (vec<T, A, vl_embed>::quick_insert): Likewise.
        (vec<T, A, vl_embed>::ordered_remove): Likewise.
        (vec<T, A, vl_embed>::unordered_remove): Likewise.
        (vec<T, A, vl_embed>::block_remove): Likewise.
        (vec<T, A, vl_heap>::address): Likewise.

2023-02-24  Martin Liska  <mliska@suse.cz>

        PR sanitizer/108834
        * asan.cc (asan_add_global): Use proper TU name for normal
        global variables (and aux_base_name for the artificial one).

2023-02-24  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386-builtin.def: Update description of BDESC
        and BDESC_FIRST in file comment to include mask2.

2023-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-cores.def (FLAGS): Update comment.

2023-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/108854
        * cgraphclones.cc (duplicate_thunk_for_node): If no parameter
        changes are needed, copy at least DECL_ARGUMENTS PARM_DECL
        nodes and adjust their DECL_CONTEXT.

2023-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/108881
        * config/i386/i386-builtin.def (__builtin_ia32_cvtne2ps2bf16_v16bf,
        __builtin_ia32_cvtne2ps2bf16_v16bf_mask,
        __builtin_ia32_cvtne2ps2bf16_v16bf_maskz,
        __builtin_ia32_cvtne2ps2bf16_v8bf,
        __builtin_ia32_cvtne2ps2bf16_v8bf_mask,
        __builtin_ia32_cvtne2ps2bf16_v8bf_maskz,
        __builtin_ia32_cvtneps2bf16_v8sf_mask,
        __builtin_ia32_cvtneps2bf16_v8sf_maskz,
        __builtin_ia32_cvtneps2bf16_v4sf_mask,
        __builtin_ia32_cvtneps2bf16_v4sf_maskz,
        __builtin_ia32_dpbf16ps_v8sf, __builtin_ia32_dpbf16ps_v8sf_mask,
        __builtin_ia32_dpbf16ps_v8sf_maskz, __builtin_ia32_dpbf16ps_v4sf,
        __builtin_ia32_dpbf16ps_v4sf_mask,
        __builtin_ia32_dpbf16ps_v4sf_maskz): Require also
        OPTION_MASK_ISA_AVX512VL.

2023-02-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/riscv/t-rtems: Keep only -mcmodel=medany 64-bit multilibs.
        Add non-compact 32-bit multilibs.

2023-02-24  Junxian Zhu  <zhujunxian@oss.cipunited.com>

        * config/mips/mips.md (*clo<mode>2): New pattern.

2023-02-24  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/mips.h (machine_function): New variable
        use_hazard_barrier_return_p.
        * config/mips/mips.md (UNSPEC_JRHB): New unspec.
        (mips_hb_return_internal): New insn pattern.
        * config/mips/mips.cc (mips_attribute_table): Add attribute
        use_hazard_barrier_return.
        (mips_use_hazard_barrier_return_p): New static function.
        (mips_function_attr_inlinable_p): Likewise.
        (mips_compute_frame_info): Set use_hazard_barrier_return_p.
        Emit error for unsupported architecture choice.
        (mips_function_ok_for_sibcall, mips_can_use_return_insn):
        Return false for use_hazard_barrier_return.
        (mips_expand_epilogue): Emit hazard barrier return.
        * doc/extend.texi: Document use_hazard_barrier_return.

2023-02-23  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa-dynconfig.cc (config.h, system.h)
        (coretypes.h, diagnostic.h, intl.h): Use "..." instead of <...>
        for the gcc-internal headers.

2023-02-23  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/t-xtensa (xtensa-dynconfig.o): Use $(COMPILE)
        and $(POSTCOMPILE) instead of manual dependency listing.
        * config/xtensa/xtensa-dynconfig.c: Rename to ...
        * config/xtensa/xtensa-dynconfig.cc: ... this.

2023-02-23  Arsen Arsenović  <arsen@aarsen.me>

        * doc/cfg.texi: Reorder index entries around @items.
        * doc/cpp.texi: Ditto.
        * doc/cppenv.texi: Ditto.
        * doc/cppopts.texi: Ditto.
        * doc/generic.texi: Ditto.
        * doc/install.texi: Ditto.
        * doc/extend.texi: Ditto.
        * doc/invoke.texi: Ditto.
        * doc/md.texi: Ditto.
        * doc/rtl.texi: Ditto.
        * doc/tm.texi.in: Ditto.
        * doc/trouble.texi: Ditto.
        * doc/tm.texi: Regenerate.

2023-02-23  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.md: New peephole2 pattern that eliminates
        the occurrence of general-purpose register used only once and for
        transferring intermediate value.

2023-02-23  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.cc (machine_function): Add new member
        'eliminated_callee_saved_bmp'.
        (xtensa_can_eliminate_callee_saved_reg_p): New function to
        determine whether the register can be eliminated or not.
        (xtensa_expand_prologue): Add invoking the above function and
        elimination the use of callee-saved register by using its stack
        slot through the stack pointer (or the frame pointer if needed)
        directly.
        (xtensa_expand_prologue): Modify to not emit register restoration
        insn from its stack slot if the register is already eliminated.

2023-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR translation/108890
        * config/xtensa/xtensa-dynconfig.c (xtensa_load_config): Drop _()s
        around fatal_error format strings.

2023-02-23  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.cc (handle_lhs_call): Do not
        re-create rhsc, only truncate it.

2023-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/106258
        * ipa-prop.cc (try_make_edge_direct_virtual_call): Handle
        BUILT_IN_UNREACHABLE_TRAP like BUILT_IN_UNREACHABLE.

2023-02-23  Richard Biener  <rguenther@suse.de>

        * tree-if-conv.cc (tree_if_conversion): Properly manage
        memory of refs and the contained data references.

2023-02-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108888
        * tree-if-conv.cc (if_convertible_stmt_p): Set PLF_2 on
        calls to predicate.
        (predicate_statements): Only predicate calls with PLF_2.

2023-02-23  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.md
        (zero_cost_loop_start, zero_cost_loop_end, loop_end):
        Add missing "SI:" to PLUS RTXes.

2023-02-23  Max Filippov  <jcmvbkbc@gmail.com>

        PR target/108876
        * config/xtensa/xtensa.cc (xtensa_expand_epilogue):
        Emit (use (reg:SI A0_REG)) at the end in the sibling call
        (i.e. the same place as (return) in the normal call).

2023-02-23  Max Filippov  <jcmvbkbc@gmail.com>

        Revert:
        2023-02-21  Max Filippov  <jcmvbkbc@gmail.com>

        PR target/108876
        * config/xtensa/xtensa.cc (xtensa_expand_epilogue): Drop emit_use
        for A0_REG.
        * config/xtensa/xtensa.md (sibcall, sibcall_internal)
        (sibcall_value, sibcall_value_internal): Add 'use' expression
        for A0_REG.

2023-02-23  Arsen Arsenović  <arsen@aarsen.me>

        * doc/cppdiropts.texi: Reorder @opindex commands to precede
        @items they relate to.
        * doc/cppopts.texi: Ditto.
        * doc/cppwarnopts.texi: Ditto.
        * doc/invoke.texi: Ditto.
        * doc/lto.texi: Ditto.

2023-02-22  Andrew Stubbs  <ams@codesourcery.com>

        * internal-fn.cc (expand_MASK_CALL): New.
        * internal-fn.def (MASK_CALL): New.
        * internal-fn.h (expand_MASK_CALL): New prototype.
        * omp-simd-clone.cc (simd_clone_adjust_argument_types): Set vector_type
        for mask arguments also.
        * tree-if-conv.cc: Include cgraph.h.
        (if_convertible_stmt_p): Do if conversions for calls to SIMD calls.
        (predicate_statements): Convert functions to IFN_MASK_CALL.
        * tree-vect-loop.cc (vect_get_datarefs_in_loop): Recognise
        IFN_MASK_CALL as a SIMD function call.
        * tree-vect-stmts.cc (vectorizable_simd_clone_call): Handle
        IFN_MASK_CALL as an inbranch SIMD function call.
        Generate the mask vector arguments.

2023-02-22  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-bases.cc (class reducop): New class.
        (class widen_reducop): Ditto.
        (class freducop): Ditto.
        (class widen_freducop): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vredsum): Add reduction support.
        (vredmaxu): Ditto.
        (vredmax): Ditto.
        (vredminu): Ditto.
        (vredmin): Ditto.
        (vredand): Ditto.
        (vredor): Ditto.
        (vredxor): Ditto.
        (vwredsum): Ditto.
        (vwredsumu): Ditto.
        (vfredusum): Ditto.
        (vfredosum): Ditto.
        (vfredmax): Ditto.
        (vfredmin): Ditto.
        (vfwredosum): Ditto.
        (vfwredusum): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct reduc_alu_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_WI_OPS): New macro.
        (DEF_RVV_WU_OPS): Ditto.
        (DEF_RVV_WF_OPS): Ditto.
        (vint8mf8_t): Ditto.
        (vint8mf4_t): Ditto.
        (vint8mf2_t): Ditto.
        (vint8m1_t): Ditto.
        (vint8m2_t): Ditto.
        (vint8m4_t): Ditto.
        (vint8m8_t): Ditto.
        (vint16mf4_t): Ditto.
        (vint16mf2_t): Ditto.
        (vint16m1_t): Ditto.
        (vint16m2_t): Ditto.
        (vint16m4_t): Ditto.
        (vint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vuint8mf8_t): Ditto.
        (vuint8mf4_t): Ditto.
        (vuint8mf2_t): Ditto.
        (vuint8m1_t): Ditto.
        (vuint8m2_t): Ditto.
        (vuint8m4_t): Ditto.
        (vuint8m8_t): Ditto.
        (vuint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vfloat32mf2_t): Ditto.
        (vfloat32m1_t): Ditto.
        (vfloat32m2_t): Ditto.
        (vfloat32m4_t): Ditto.
        (vfloat32m8_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_WI_OPS): Ditto.
        (DEF_RVV_WU_OPS): Ditto.
        (DEF_RVV_WF_OPS): Ditto.
        (required_extensions_p): Add reduction support.
        (rvv_arg_type_info::get_base_vector_type): Ditto.
        (rvv_arg_type_info::get_tree_type): Ditto.
        * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Ditto.
        * config/riscv/riscv.md: Ditto.
        * config/riscv/vector-iterators.md (minu): Ditto.
        * config/riscv/vector.md (@pred_reduc_<reduc><mode><vlmul1>): New patern.
        (@pred_reduc_<reduc><mode><vlmul1_zve32>): Ditto.
        (@pred_widen_reduc_plus<v_su><mode><vwlmul1>): Ditto.
        (@pred_widen_reduc_plus<v_su><mode><vwlmul1_zve32>):Ditto.
        (@pred_reduc_plus<order><mode><vlmul1>): Ditto.
        (@pred_reduc_plus<order><mode><vlmul1_zve32>): Ditto.
        (@pred_widen_reduc_plus<order><mode><vwlmul1>): Ditto.

2023-02-22  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/iterators.md: New iterator.
        * config/riscv/riscv-vector-builtins-bases.cc (class widen_binop): New class.
        (enum ternop_type): New enum.
        (class vmacc): New class.
        (class imac): Ditto.
        (class vnmsac): Ditto.
        (enum widen_ternop_type): New enum.
        (class vmadd): Ditto.
        (class vnmsub): Ditto.
        (class iwmac): Ditto.
        (class vwmacc): Ditto.
        (class vwmaccu): Ditto.
        (class vwmaccsu): Ditto.
        (class vwmaccus): Ditto.
        (class reverse_binop): Ditto.
        (class vfmacc): Ditto.
        (class vfnmsac): Ditto.
        (class vfmadd): Ditto.
        (class vfnmsub): Ditto.
        (class vfnmacc): Ditto.
        (class vfmsac): Ditto.
        (class vfnmadd): Ditto.
        (class vfmsub): Ditto.
        (class vfwmacc): Ditto.
        (class vfwnmacc): Ditto.
        (class vfwmsac): Ditto.
        (class vfwnmsac): Ditto.
        (class float_misc): Ditto.
        (class fcmp): Ditto.
        (class vfclass): Ditto.
        (class vfcvt_x): Ditto.
        (class vfcvt_rtz_x): Ditto.
        (class vfcvt_f): Ditto.
        (class vfwcvt_x): Ditto.
        (class vfwcvt_rtz_x): Ditto.
        (class vfwcvt_f): Ditto.
        (class vfncvt_x): Ditto.
        (class vfncvt_rtz_x): Ditto.
        (class vfncvt_f): Ditto.
        (class vfncvt_rod_f): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h:
        * config/riscv/riscv-vector-builtins-functions.def (vzext): Ditto.
        (vsext): Ditto.
        (vfadd): Ditto.
        (vfsub): Ditto.
        (vfrsub): Ditto.
        (vfwadd): Ditto.
        (vfwsub): Ditto.
        (vfmul): Ditto.
        (vfdiv): Ditto.
        (vfrdiv): Ditto.
        (vfwmul): Ditto.
        (vfmacc): Ditto.
        (vfnmsac): Ditto.
        (vfmadd): Ditto.
        (vfnmsub): Ditto.
        (vfnmacc): Ditto.
        (vfmsac): Ditto.
        (vfnmadd): Ditto.
        (vfmsub): Ditto.
        (vfwmacc): Ditto.
        (vfwnmacc): Ditto.
        (vfwmsac): Ditto.
        (vfwnmsac): Ditto.
        (vfsqrt): Ditto.
        (vfrsqrt7): Ditto.
        (vfrec7): Ditto.
        (vfmin): Ditto.
        (vfmax): Ditto.
        (vfsgnj): Ditto.
        (vfsgnjn): Ditto.
        (vfsgnjx): Ditto.
        (vfneg): Ditto.
        (vfabs): Ditto.
        (vmfeq): Ditto.
        (vmfne): Ditto.
        (vmflt): Ditto.
        (vmfle): Ditto.
        (vmfgt): Ditto.
        (vmfge): Ditto.
        (vfclass): Ditto.
        (vfmerge): Ditto.
        (vfmv_v): Ditto.
        (vfcvt_x): Ditto.
        (vfcvt_xu): Ditto.
        (vfcvt_rtz_x): Ditto.
        (vfcvt_rtz_xu): Ditto.
        (vfcvt_f): Ditto.
        (vfwcvt_x): Ditto.
        (vfwcvt_xu): Ditto.
        (vfwcvt_rtz_x): Ditto.
        (vfwcvt_rtz_xu): Ditto.
        (vfwcvt_f): Ditto.
        (vfncvt_x): Ditto.
        (vfncvt_xu): Ditto.
        (vfncvt_rtz_x): Ditto.
        (vfncvt_rtz_xu): Ditto.
        (vfncvt_f): Ditto.
        (vfncvt_rod_f): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct alu_def): Ditto.
        (struct move_def): Ditto.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_WEXTF_OPS): New macro.
        (DEF_RVV_CONVERT_I_OPS): Ditto.
        (DEF_RVV_CONVERT_U_OPS): Ditto.
        (DEF_RVV_WCONVERT_I_OPS): Ditto.
        (DEF_RVV_WCONVERT_U_OPS): Ditto.
        (DEF_RVV_WCONVERT_F_OPS): Ditto.
        (vfloat64m1_t): Ditto.
        (vfloat64m2_t): Ditto.
        (vfloat64m4_t): Ditto.
        (vfloat64m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vint64m1_t): Ditto.
        (vint64m2_t): Ditto.
        (vint64m4_t): Ditto.
        (vint64m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_CONVERT_I_OPS): Ditto.
        (DEF_RVV_CONVERT_U_OPS): Ditto.
        (DEF_RVV_WCONVERT_I_OPS): Ditto.
        (DEF_RVV_WCONVERT_U_OPS): Ditto.
        (DEF_RVV_WCONVERT_F_OPS): Ditto.
        (DEF_RVV_F_OPS): Ditto.
        (DEF_RVV_WEXTF_OPS): Ditto.
        (required_extensions_p): Adjust for floating-point support.
        (check_required_extensions): Ditto.
        (unsigned_base_type_p): Ditto.
        (get_mode_for_bitsize): Ditto.
        (rvv_arg_type_info::get_base_vector_type): Ditto.
        (rvv_arg_type_info::get_tree_type): Ditto.
        * config/riscv/riscv-vector-builtins.def (v_f): New define.
        (f): New define.
        (f_v): New define.
        (xu_v): New define.
        (f_w): New define.
        (xu_w): New define.
        * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): New enum.
        (function_expander::arg_mode): New function.
        * config/riscv/vector-iterators.md (sof): New iterator.
        (vfrecp): Ditto.
        (copysign): Ditto.
        (n): Ditto.
        (msac): Ditto.
        (msub): Ditto.
        (fixuns_trunc): Ditto.
        (floatuns): Ditto.
        * config/riscv/vector.md (@pred_broadcast<mode>): New pattern.
        (@pred_<optab><mode>): Ditto.
        (@pred_<optab><mode>_scalar): Ditto.
        (@pred_<optab><mode>_reverse_scalar): Ditto.
        (@pred_<copysign><mode>): Ditto.
        (@pred_<copysign><mode>_scalar): Ditto.
        (@pred_mul_<optab><mode>): Ditto.
        (pred_mul_<optab><mode>_undef_merge): Ditto.
        (*pred_<madd_nmsub><mode>): Ditto.
        (*pred_<macc_nmsac><mode>): Ditto.
        (*pred_mul_<optab><mode>): Ditto.
        (@pred_mul_<optab><mode>_scalar): Ditto.
        (*pred_mul_<optab><mode>_undef_merge_scalar): Ditto.
        (*pred_<madd_nmsub><mode>_scalar): Ditto.
        (*pred_<macc_nmsac><mode>_scalar): Ditto.
        (*pred_mul_<optab><mode>_scalar): Ditto.
        (@pred_neg_mul_<optab><mode>): Ditto.
        (pred_neg_mul_<optab><mode>_undef_merge): Ditto.
        (*pred_<nmadd_msub><mode>): Ditto.
        (*pred_<nmacc_msac><mode>): Ditto.
        (*pred_neg_mul_<optab><mode>): Ditto.
        (@pred_neg_mul_<optab><mode>_scalar): Ditto.
        (*pred_neg_mul_<optab><mode>_undef_merge_scalar): Ditto.
        (*pred_<nmadd_msub><mode>_scalar): Ditto.
        (*pred_<nmacc_msac><mode>_scalar): Ditto.
        (*pred_neg_mul_<optab><mode>_scalar): Ditto.
        (@pred_<misc_op><mode>): Ditto.
        (@pred_class<mode>): Ditto.
        (@pred_dual_widen_<optab><mode>): Ditto.
        (@pred_dual_widen_<optab><mode>_scalar): Ditto.
        (@pred_single_widen_<plus_minus:optab><mode>): Ditto.
        (@pred_single_widen_<plus_minus:optab><mode>_scalar): Ditto.
        (@pred_widen_mul_<optab><mode>): Ditto.
        (@pred_widen_mul_<optab><mode>_scalar): Ditto.
        (@pred_widen_neg_mul_<optab><mode>): Ditto.
        (@pred_widen_neg_mul_<optab><mode>_scalar): Ditto.
        (@pred_cmp<mode>): Ditto.
        (*pred_cmp<mode>): Ditto.
        (*pred_cmp<mode>_narrow): Ditto.
        (@pred_cmp<mode>_scalar): Ditto.
        (*pred_cmp<mode>_scalar): Ditto.
        (*pred_cmp<mode>_scalar_narrow): Ditto.
        (@pred_eqne<mode>_scalar): Ditto.
        (*pred_eqne<mode>_scalar): Ditto.
        (*pred_eqne<mode>_scalar_narrow): Ditto.
        (@pred_merge<mode>_scalar): Ditto.
        (@pred_fcvt_x<v_su>_f<mode>): Ditto.
        (@pred_<fix_cvt><mode>): Ditto.
        (@pred_<float_cvt><mode>): Ditto.
        (@pred_widen_fcvt_x<v_su>_f<mode>): Ditto.
        (@pred_widen_<fix_cvt><mode>): Ditto.
        (@pred_widen_<float_cvt><mode>): Ditto.
        (@pred_extend<mode>): Ditto.
        (@pred_narrow_fcvt_x<v_su>_f<mode>): Ditto.
        (@pred_narrow_<fix_cvt><mode>): Ditto.
        (@pred_narrow_<float_cvt><mode>): Ditto.
        (@pred_trunc<mode>): Ditto.
        (@pred_rod_trunc<mode>): Ditto.

2023-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/106258
        * cgraph.cc (cgraph_edge::redirect_call_stmt_to_callee,
        cgraph_update_edges_for_call_stmt_node, cgraph_node::verify_node):
        Handle BUILT_IN_UNREACHABLE_TRAP like BUILT_IN_UNREACHABLE.
        * cgraphclones.cc (cgraph_node::create_clone): Likewise.

2023-02-22  Thomas Schwinge  <thomas@codesourcery.com>

        * common.opt (-Wcomplain-wrong-lang): New.
        * doc/invoke.texi (-Wno-complain-wrong-lang): Document it.
        * opts-common.cc (prune_options): Handle it.
        * opts-global.cc (complain_wrong_lang): Use it.

2023-02-21  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/108830
        * doc/invoke.texi: Document -fno-analyzer-suppress-followups.

2023-02-21  Max Filippov  <jcmvbkbc@gmail.com>

        PR target/108876
        * config/xtensa/xtensa.cc (xtensa_expand_epilogue): Drop emit_use
        for A0_REG.
        * config/xtensa/xtensa.md (sibcall, sibcall_internal)
        (sibcall_value, sibcall_value_internal): Add 'use' expression
        for A0_REG.

2023-02-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108691
        * tree-ssa-dce.cc (eliminate_unnecessary_stmts): Remove
        assert about calls_setjmp not becoming true when it was false.

2023-02-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108793
        * tree-ssa-loop-niter.cc (number_of_iterations_until_wrap):
        Use convert operands to niter_type when computing num.

2023-02-21  Richard Biener  <rguenther@suse.de>

        Revert:
        2023-02-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108691
        * tree-cfg.cc (notice_special_calls): When the CFG is built
        honor gimple_call_ctrl_altering_p.
        * cfgexpand.cc (expand_call_stmt): Clear cfun->calls_setjmp
        temporarily if the call is not control-altering.
        * calls.cc (emit_call_1): Do not add REG_SETJMP if
        cfun->calls_setjmp is not set.  Do not alter cfun->calls_setjmp.

2023-02-21  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.cc (xtensa_call_save_reg): Change to return
        true if register A0 (return address register) when -Og is specified.

2023-02-20  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md
        (general_x64constmem_operand): New predicate.
        * config/i386/i386.md (*cmpqi_ext<mode>_1):
        Use nonimm_x64constmem_operand.
        (*cmpqi_ext<mode>_3): Use general_x64constmem_operand.
        (*addqi_ext<mode>_1): Ditto.
        (*testqi_ext<mode>_1): Ditto.
        (*andqi_ext<mode>_1): Ditto.
        (*andqi_ext<mode>_1_cc): Ditto.
        (*<any_or:code>qi_ext<mode>_1): Ditto.
        (*xorqi_ext<mode>_1_cc): Ditto.

2023-02-20  Jakub Jelinek  <jakub2redhat.com>

        PR target/108862
        * config/rs6000/rs6000.md (umaddditi4): Swap gen_maddlddi4 with
        gen_umadddi4_highpart{,_le}.

2023-02-20  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.md (prefetch): Use r instead of p for the
        address operand.
        (riscv_prefetchi_<mode>): Ditto.

2023-02-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108816
        * tree-vect-loop-manip.cc (vect_loop_versioning): Adjust
        versioning condition split prerequesite, assert required
        invariant.

2023-02-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108825
        * tree-ssa-loop-manip.cc (verify_loop_closed_ssa): For
        loop-local verfication only verify there's no pending SSA
        update.

2023-02-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108819
        * tree-ssa-loop-niter.cc (number_of_iterations_cltz): Check
        we have an SSA name as iv_2 as expected.

2023-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/108819
        * tree-ssa-reassoc.cc (update_ops): Fold new stmt in place.

2023-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/108832
        * config/i386/i386-protos.h (ix86_replace_reg_with_reg): Declare.
        * config/i386/i386-expand.cc (ix86_replace_reg_with_reg): New
        function.
        * config/i386/i386.md: Replace replace_rtx calls in all peephole2s
        with ix86_replace_reg_with_reg.

2023-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (AVR Options): Update link to AVR-LibC.

2023-02-18  Xi Ruoyao  <xry111@xry111.site>

        * config.gcc (triplet_abi): Set its value based on $with_abi,
        instead of $target.
        (la_canonical_triplet): Set it after $triplet_abi is set
        correctly.
        * config/loongarch/t-linux (MULTILIB_OSDIRNAMES): Make the
        multiarch tuple for lp64d "loongarch64-linux-gnu" (without
        "f64" suffix).

2023-02-18  Andrew Pinski  <apinski@marvell.com>

        * match.pd: Remove #if GIMPLE around the
        "1 - a" pattern

2023-02-18  Andrew Pinski  <apinski@marvell.com>

        * value-query.h (get_range_query): Return the global ranges
        for a nullptr func.

2023-02-17  Siddhesh Poyarekar  <siddhesh@gotplt.org>

        * doc/invoke.texi (@item -Wall): Fix typo in
        -Wuse-after-free.

2023-02-17  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/108831
        * config/i386/predicates.md
        (nonimm_x64constmem_operand): New predicate.
        * config/i386/i386.md (*addqi_ext<mode>_0): New insn pattern.
        (*subqi_ext<mode>_0): Ditto.
        (*andqi_ext<mode>_0): Ditto.
        (*<any_or:code>qi_ext<mode>_0): Ditto.

2023-02-17  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/108805
        * simplify-rtx.cc (simplify_context::simplify_subreg): Use
        int_outermode instead of GET_MODE (tem) to prevent
        VOIDmode from entering simplify_gen_subreg.

2023-02-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108821
        * tree-ssa-loop-im.cc (sm_seq_valid_bb): We can also not
        move volatile accesses.

2023-02-17  Richard Biener  <rguenther@suse.de>

        * tree-ssa.cc (ssa_undefined_value_p): Assert we are not
        called on virtual operands.
        * tree-ssa-sccvn.cc (vn_phi_lookup): Guard
        ssa_undefined_value_p calls.
        (vn_phi_insert): Likewise.
        (set_ssa_val_to): Likewise.
        (visit_phi): Avoid extra work with equivalences for
        virtual operand PHIs.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-bases.cc (class mask_logic): New
        class.
        (class mask_nlogic): Ditto.
        (class mask_notlogic): Ditto.
        (class vmmv): Ditto.
        (class vmclr): Ditto.
        (class vmset): Ditto.
        (class vmnot): Ditto.
        (class vcpop): Ditto.
        (class vfirst): Ditto.
        (class mask_misc): Ditto.
        (class viota): Ditto.
        (class vid): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmand): Ditto.
        (vmnand): Ditto.
        (vmandn): Ditto.
        (vmxor): Ditto.
        (vmor): Ditto.
        (vmnor): Ditto.
        (vmorn): Ditto.
        (vmxnor): Ditto.
        (vmmv): Ditto.
        (vmclr): Ditto.
        (vmset): Ditto.
        (vmnot): Ditto.
        (vcpop): Ditto.
        (vfirst): Ditto.
        (vmsbf): Ditto.
        (vmsif): Ditto.
        (vmsof): Ditto.
        (viota): Ditto.
        (vid): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct alu_def): Ditto.
        (struct mask_alu_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc: Ditto.
        * config/riscv/riscv-vsetvl.cc (pass_vsetvl::cleanup_insns): Fix bug
        for dest it scalar RVV intrinsics.
        * config/riscv/vector-iterators.md (sof): New iterator.
        * config/riscv/vector.md (@pred_<optab>n<mode>): New pattern.
        (@pred_<optab>not<mode>): New pattern.
        (@pred_popcount<VB:mode><P:mode>): New pattern.
        (@pred_ffs<VB:mode><P:mode>): New pattern.
        (@pred_<misc_op><mode>): New pattern.
        (@pred_iota<mode>): New pattern.
        (@pred_series<mode>): New pattern.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-functions.def (vadc): Rename.
        (vsbc): Ditto.
        (vmerge): Ditto.
        (vmv_v): Ditto.
        * config/riscv/riscv-vector-builtins.cc: Ditto.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
            kito-cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv-protos.h (sew64_scalar_helper): New function.
        * config/riscv/riscv-v.cc (has_vi_variant_p): Adjust.
        (sew64_scalar_helper): New function.
        * config/riscv/vector.md: Normalization.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-functions.def (vsetvlmax): Rearrange.
        (vsm): Ditto.
        (vsse): Ditto.
        (vsoxei64): Ditto.
        (vsub): Ditto.
        (vand): Ditto.
        (vor): Ditto.
        (vxor): Ditto.
        (vsll): Ditto.
        (vsra): Ditto.
        (vsrl): Ditto.
        (vmin): Ditto.
        (vmax): Ditto.
        (vminu): Ditto.
        (vmaxu): Ditto.
        (vmul): Ditto.
        (vmulh): Ditto.
        (vmulhu): Ditto.
        (vmulhsu): Ditto.
        (vdiv): Ditto.
        (vrem): Ditto.
        (vdivu): Ditto.
        (vremu): Ditto.
        (vnot): Ditto.
        (vsext): Ditto.
        (vzext): Ditto.
        (vwadd): Ditto.
        (vwsub): Ditto.
        (vwmul): Ditto.
        (vwmulu): Ditto.
        (vwmulsu): Ditto.
        (vwaddu): Ditto.
        (vwsubu): Ditto.
        (vsbc): Ditto.
        (vmsbc): Ditto.
        (vnsra): Ditto.
        (vmerge): Ditto.
        (vmv_v): Ditto.
        (vmsne): Ditto.
        (vmslt): Ditto.
        (vmsgt): Ditto.
        (vmsle): Ditto.
        (vmsge): Ditto.
        (vmsltu): Ditto.
        (vmsgtu): Ditto.
        (vmsleu): Ditto.
        (vmsgeu): Ditto.
        (vnmsac): Ditto.
        (vmadd): Ditto.
        (vnmsub): Ditto.
        (vwmacc): Ditto.
        (vsadd): Ditto.
        (vssub): Ditto.
        (vssubu): Ditto.
        (vaadd): Ditto.
        (vasub): Ditto.
        (vasubu): Ditto.
        (vsmul): Ditto.
        (vssra): Ditto.
        (vssrl): Ditto.
        (vnclip): Ditto.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/vector.md (@pred_<optab><mode>): Rearrange.
        (@pred_<optab><mode>_scalar): Ditto.
        (*pred_<optab><mode>_scalar): Ditto.
        (*pred_<optab><mode>_extended_scalar): Ditto.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-protos.h (riscv_run_selftests): Remove 'extern'.
        (init_builtins): Ditto.
        (mangle_builtin_type): Ditto.
        (verify_type_context): Ditto.
        (handle_pragma_vector):  Ditto.
        (builtin_decl): Ditto.
        (expand_builtin): Ditto.
        (const_vec_all_same_in_range_p): Ditto.
        (legitimize_move): Ditto.
        (emit_vlmax_op): Ditto.
        (emit_nonvlmax_op): Ditto.
        (get_vlmul): Ditto.
        (get_ratio): Ditto.
        (get_ta): Ditto.
        (get_ma): Ditto.
        (get_avl_type): Ditto.
        (calculate_ratio): Ditto.
        (enum vlmul_type): Ditto.
        (simm5_p): Ditto.
        (neg_simm5_p): Ditto.
        (has_vi_variant_p): Ditto.

2023-02-17  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-protos.h (simm32_p): Remove.
        * config/riscv/riscv-v.cc (simm32_p): Ditto.
        * config/riscv/vector.md: Use immediate_operand
        instead of riscv_vector::simm32_p.

2023-02-16  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Optimize Options): Reword the explanation
        getting minimal, maximal and default values of a parameter.

2023-02-16  Patrick Palka  <ppalka@redhat.com>

        * addresses.h: Mechanically drop 'static' from 'static inline'
        functions via s/^static inline/inline/g.
        * asan.h: Likewise.
        * attribs.h: Likewise.
        * basic-block.h: Likewise.
        * bitmap.h: Likewise.
        * cfghooks.h: Likewise.
        * cfgloop.h: Likewise.
        * cgraph.h: Likewise.
        * cselib.h: Likewise.
        * data-streamer.h: Likewise.
        * debug.h: Likewise.
        * df.h: Likewise.
        * diagnostic.h: Likewise.
        * dominance.h: Likewise.
        * dumpfile.h: Likewise.
        * emit-rtl.h: Likewise.
        * except.h: Likewise.
        * expmed.h: Likewise.
        * expr.h: Likewise.
        * fixed-value.h: Likewise.
        * gengtype.h: Likewise.
        * gimple-expr.h: Likewise.
        * gimple-iterator.h: Likewise.
        * gimple-predict.h: Likewise.
        * gimple-range-fold.h: Likewise.
        * gimple-ssa.h: Likewise.
        * gimple.h: Likewise.
        * graphite.h: Likewise.
        * hard-reg-set.h: Likewise.
        * hash-map.h: Likewise.
        * hash-set.h: Likewise.
        * hash-table.h: Likewise.
        * hwint.h: Likewise.
        * input.h: Likewise.
        * insn-addr.h: Likewise.
        * internal-fn.h: Likewise.
        * ipa-fnsummary.h: Likewise.
        * ipa-icf-gimple.h: Likewise.
        * ipa-inline.h: Likewise.
        * ipa-modref.h: Likewise.
        * ipa-prop.h: Likewise.
        * ira-int.h: Likewise.
        * ira.h: Likewise.
        * lra-int.h: Likewise.
        * lra.h: Likewise.
        * lto-streamer.h: Likewise.
        * memmodel.h: Likewise.
        * omp-general.h: Likewise.
        * optabs-query.h: Likewise.
        * optabs.h: Likewise.
        * plugin.h: Likewise.
        * pretty-print.h: Likewise.
        * range.h: Likewise.
        * read-md.h: Likewise.
        * recog.h: Likewise.
        * regs.h: Likewise.
        * rtl-iter.h: Likewise.
        * rtl.h: Likewise.
        * sbitmap.h: Likewise.
        * sched-int.h: Likewise.
        * sel-sched-ir.h: Likewise.
        * sese.h: Likewise.
        * sparseset.h: Likewise.
        * ssa-iterators.h: Likewise.
        * system.h: Likewise.
        * target-globals.h: Likewise.
        * target.h: Likewise.
        * timevar.h: Likewise.
        * tree-chrec.h: Likewise.
        * tree-data-ref.h: Likewise.
        * tree-iterator.h: Likewise.
        * tree-outof-ssa.h: Likewise.
        * tree-phinodes.h: Likewise.
        * tree-scalar-evolution.h: Likewise.
        * tree-sra.h: Likewise.
        * tree-ssa-alias.h: Likewise.
        * tree-ssa-live.h: Likewise.
        * tree-ssa-loop-manip.h: Likewise.
        * tree-ssa-loop.h: Likewise.
        * tree-ssa-operands.h: Likewise.
        * tree-ssa-propagate.h: Likewise.
        * tree-ssa-sccvn.h: Likewise.
        * tree-ssa.h: Likewise.
        * tree-ssanames.h: Likewise.
        * tree-streamer.h: Likewise.
        * tree-switch-conversion.h: Likewise.
        * tree-vectorizer.h: Likewise.
        * tree.h: Likewise.
        * wide-int.h: Likewise.

2023-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/108657
        * tree-ssa-dse.cc (initialize_ao_ref_for_dse): If lhs of stmt
        exists and is not a SSA_NAME, call ao_ref_init even if the stmt
        is a call to internal or builtin function.

2023-02-16  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Suggest adding a
        using-declaration to unhide functions.

2023-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/108783
        * tree-ssa-reassoc.cc (eliminate_redundant_comparison): If lcode
        is equal to TREE_CODE (t), op1 to newop1 and op2 to newop2, set
        t to curr->op.  Otherwise, punt if either newop1 or newop2 are
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs.

2023-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108791
        * tree-ssa-forwprop.cc (optimize_vector_load): Build
        the ADDR_EXPR of a TARGET_MEM_REF using a more meaningful
        type.

2023-02-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/90458
        * config/i386/i386.cc (ix86_compute_frame_layout): Disable the
        effects of -fstack-clash-protection for TARGET_STACK_PROBE.
        (ix86_expand_prologue): Likewise.

2023-02-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/bpf/bpf.cc (bpf_option_override): Fix doubled space.

2023-02-15  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*cmpqi_ext<mode>_1): Use
        int248_register_operand predicate in zero_extract sub-RTX.
        (*cmpqi_ext<mode>_2): Ditto.
        (*cmpqi_ext<mode>_3): Ditto.
        (*cmpqi_ext<mode>_4): Ditto.
        (*extzvqi_mem_rex64): Ditto.
        (*extzvqi): Ditto.
        (*insvqi_1_mem_rex64): Ditto.
        (@insv<mode>_1): Ditto.
        (*insvqi_1): Ditto.
        (*insvqi_2): Ditto.
        (*insvqi_3): Ditto.
        (*extendqi<SWI24:mode>_ext_1): Ditto.
        (*addqi_ext<mode>_1): Ditto.
        (*addqi_ext<mode>_2): Ditto.
        (*subqi_ext<mode>_2): Ditto.
        (*testqi_ext<mode>_1): Ditto.
        (*testqi_ext<mode>_2): Ditto.
        (*andqi_ext<mode>_1): Ditto.
        (*andqi_ext<mode>_1_cc): Ditto.
        (*andqi_ext<mode>_2): Ditto.
        (*<any_or:code>qi_ext<mode>_1): Ditto.
        (*<any_or:code>qi_ext<mode>_2): Ditto.
        (*xorqi_ext<mode>_1_cc): Ditto.
        (*negqi_ext<mode>_2): Ditto.
        (*ashlqi_ext<mode>_2): Ditto.
        (*<any_shiftrt:insn>qi_ext<mode>_2): Ditto.

2023-02-15  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (int248_register_operand):
        Rename from extr_register_operand.
        * config/i386/i386.md (*extv<mode>): Update for renamed predicate.
        (*extzx<mode>): Ditto.
        (*ashl<dwi>3_doubleword_mask): Use int248_register_operand predicate.
        (*ashl<mode>3_mask): Ditto.
        (*<any_shiftrt:insn><mode>3_mask): Ditto.
        (*<any_shiftrt:insn><dwi>3_doubleword_mask): Ditto.
        (*<any_rotate:insn><mode>3_mask): Ditto.
        (*<btsc><mode>_mask): Ditto.
        (*btr<mode>_mask): Ditto.
        (*jcc_bt<mode>_mask_1): Ditto.

2023-02-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/26854
        * df-core.cc (df_worklist_propagate_forward): Put later
        blocks on worklist and only earlier blocks on pending.
        (df_worklist_propagate_backward): Likewise.
        (df_worklist_dataflow_doublequeue): Change the iteration
        to process new blocks in the same iteration if that
        maintains the iteration order.

2023-02-15  Marek Polacek  <polacek@redhat.com>

        PR middle-end/106080
        * gimple-ssa-warn-access.cc (is_auto_decl): Remove.  Use auto_var_p
        instead.

2023-02-15  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/predicates.md: Refine codes.
        * config/riscv/riscv-protos.h (RVV_VUNDEF): New macro.
        * config/riscv/riscv-v.cc: Refine codes.
        * config/riscv/riscv-vector-builtins-bases.cc (enum ternop_type): New
        enum.
        (class imac): New class.
        (enum widen_ternop_type): New enum.
        (class iwmac): New class.
        (BASE): New class.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmacc): Ditto.
        (vnmsac): Ditto.
        (vmadd): Ditto.
        (vnmsub): Ditto.
        (vwmacc): Ditto.
        (vwmaccu): Ditto.
        (vwmaccsu): Ditto.
        (vwmaccus): Ditto.
        * config/riscv/riscv-vector-builtins.cc
        (function_builder::apply_predication): Adjust for multiply-add support.
        (function_expander::add_vundef_operand): Refine codes.
        (function_expander::use_ternop_insn): New function.
        (function_expander::use_widen_ternop_insn): Ditto.
        * config/riscv/riscv-vector-builtins.h: New function.
        * config/riscv/vector.md (@pred_mul_<optab><mode>): New pattern.
        (pred_mul_<optab><mode>_undef_merge): Ditto.
        (*pred_<madd_nmsub><mode>): Ditto.
        (*pred_<macc_nmsac><mode>): Ditto.
        (*pred_mul_<optab><mode>): Ditto.
        (@pred_mul_<optab><mode>_scalar): Ditto.
        (*pred_mul_<optab><mode>_undef_merge_scalar): Ditto.
        (*pred_<madd_nmsub><mode>_scalar): Ditto.
        (*pred_<macc_nmsac><mode>_scalar): Ditto.
        (*pred_mul_<optab><mode>_scalar): Ditto.
        (*pred_mul_<optab><mode>_undef_merge_extended_scalar): Ditto.
        (*pred_<madd_nmsub><mode>_extended_scalar): Ditto.
        (*pred_<macc_nmsac><mode>_extended_scalar): Ditto.
        (*pred_mul_<optab><mode>_extended_scalar): Ditto.
        (@pred_widen_mul_plus<su><mode>): Ditto.
        (@pred_widen_mul_plus<su><mode>_scalar): Ditto.
        (@pred_widen_mul_plussu<mode>): Ditto.
        (@pred_widen_mul_plussu<mode>_scalar): Ditto.
        (@pred_widen_mul_plusus<mode>_scalar): Ditto.

2023-02-15  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/predicates.md (vector_mask_operand): Refine the codes.
        (vector_all_trues_mask_operand): New predicate.
        (vector_undef_operand): New predicate.
        (ltge_operator): New predicate.
        (comparison_except_ltge_operator): New predicate.
        (comparison_except_eqge_operator): New predicate.
        (ge_operator): New predicate.
        * config/riscv/riscv-v.cc (has_vi_variant_p): Add compare support.
        * config/riscv/riscv-vector-builtins-bases.cc (class icmp): New class.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmseq): Ditto.
        (vmsne): Ditto.
        (vmslt): Ditto.
        (vmsgt): Ditto.
        (vmsle): Ditto.
        (vmsge): Ditto.
        (vmsltu): Ditto.
        (vmsgtu): Ditto.
        (vmsleu): Ditto.
        (vmsgeu): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc
        (struct return_mask_def): Adjust for compare support.
        * config/riscv/riscv-vector-builtins.cc
        (function_expander::use_compare_insn): New function.
        * config/riscv/riscv-vector-builtins.h
        (function_expander::add_integer_operand): Ditto.
        * config/riscv/riscv.cc (riscv_print_operand): Add compare support.
        * config/riscv/riscv.md: Add vector min/max attributes.
        * config/riscv/vector-iterators.md (xnor): New iterator.
        * config/riscv/vector.md (@pred_cmp<mode>): New pattern.
        (*pred_cmp<mode>): Ditto.
        (*pred_cmp<mode>_narrow): Ditto.
        (@pred_ltge<mode>): Ditto.
        (*pred_ltge<mode>): Ditto.
        (*pred_ltge<mode>_narrow): Ditto.
        (@pred_cmp<mode>_scalar): Ditto.
        (*pred_cmp<mode>_scalar): Ditto.
        (*pred_cmp<mode>_scalar_narrow): Ditto.
        (@pred_eqne<mode>_scalar): Ditto.
        (*pred_eqne<mode>_scalar): Ditto.
        (*pred_eqne<mode>_scalar_narrow): Ditto.
        (*pred_cmp<mode>_extended_scalar): Ditto.
        (*pred_cmp<mode>_extended_scalar_narrow): Ditto.
        (*pred_eqne<mode>_extended_scalar): Ditto.
        (*pred_eqne<mode>_extended_scalar_narrow): Ditto.
        (@pred_ge<mode>_scalar): Ditto.
        (@pred_<optab><mode>): Ditto.
        (@pred_n<optab><mode>): Ditto.
        (@pred_<optab>n<mode>): Ditto.
        (@pred_not<mode>): Ditto.

2023-02-15  Martin Jambor  <mjambor@suse.cz>

        PR ipa/108679
        * ipa-sra.cc (push_param_adjustments_for_index): Do not omit
        creation of non-scalar replacements even if IPA-CP knows their
        contents.

2023-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/108787
        PR target/103109
        * config/rs6000/rs6000.md (<u>maddditi4): Change into umaddditi4 only
        expander, change operand 3 to be TImode, emit maddlddi4 and
        umadddi4_highpart{,_le} with its low half and finally add the high
        half to the result.

2023-02-15  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Document --param=asan-kernel-mem-intrinsic-prefix.

2023-02-15  Richard Biener  <rguenther@suse.de>

        * sanopt.cc (sanitize_asan_mark_unpoison): Use bitmap
        for with_poison and alias worklist to it.
        (sanitize_asan_mark_poison): Likewise.

2023-02-15  Richard Biener  <rguenther@suse.de>

        PR target/108738
        * config/i386/i386-features.cc (scalar_chain::add_to_queue):
        Combine bitmap test and set.
        (scalar_chain::add_insn): Likewise.
        (scalar_chain::analyze_register_chain): Remove redundant
        attempt to add to queue and instead strengthen assert.
        Sink common attempts to mark the def dual-mode.
        (scalar_chain::add_to_queue): Remove redundant insn bitmap
        check.

2023-02-15  Richard Biener  <rguenther@suse.de>

        PR target/108738
        * config/i386/i386-features.cc (convert_scalars_to_vector):
        Switch candidates bitmaps to tree view before building the chains.

2023-02-15  Hans-Peter Nilsson  <hp@axis.com>

        * reload1.cc (gen_reload): Correct rtx parameter for fatal_insn
        "failure trying to reload" call.

2023-02-15  Hans-Peter Nilsson  <hp@axis.com>

        * gdbinit.in (phrs): New command.
        * sel-sched-dump.cc (debug_hard_reg_set): Remove debug-function.
        * ira-color.cc (debug_hard_reg_set): New, calling print_hard_reg_set.

2023-02-14  David Faust  <david.faust@oracle.com>

        PR target/108790
        * config/bpf/constraints.md (q): New memory constraint.
        * config/bpf/bpf.md (zero_extendhidi2): Use it here.
        (zero_extendqidi2): Likewise.
        (zero_extendsidi2): Likewise.
        (*mov<MM:mode>): Likewise.

2023-02-14  Andrew Pinski  <apinski@marvell.com>

        PR tree-optimization/108355
        PR tree-optimization/96921
        * match.pd: Add pattern for "1 - bool_val".

2023-02-14  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.cc (vn_phi_compute_hash): Key skipping
        basic block index hashing on the availability of ->cclhs.
        (vn_phi_eq): Avoid re-doing sanity checks for CSE but
        rely on ->cclhs availability.
        (vn_phi_lookup): Set ->cclhs only when we are eventually
        going to CSE the PHI.
        (vn_phi_insert): Likewise.

2023-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.cc (gimplify_save_expr): Add missing guard.

2023-02-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108782
        * tree-vect-loop.cc (vect_phi_first_order_recurrence_p):
        Make sure we're not vectorizing an inner loop.

2023-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/108777
        * params.opt (-param=asan-kernel-mem-intrinsic-prefix=): New param.
        * asan.h (asan_memfn_rtl): Declare.
        * asan.cc (asan_memfn_rtls): New variable.
        (asan_memfn_rtl): New function.
        * builtins.cc (expand_builtin): If
        param_asan_kernel_mem_intrinsic_prefix and function is
        kernel-{,hw}address sanitized, emit calls to
        __{,hw}asan_{memcpy,memmove,memset} rather than
        {memcpy,memmove,memset}.  Use sanitize_flags_p (SANITIZE_ADDRESS)
        instead of flag_sanitize & SANITIZE_ADDRESS to check if
        asan_intercepted_p functions shouldn't be expanded inline.

2023-02-14  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/96373
        * tree-vect-stmts.cc (vectorizable_operation): Predicate trapping
        operations on the loop mask.  Reject partial vectors if this isn't
        possible.

2023-02-13  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/108681
        * lra-spills.cc (lra_final_code_change): Extend subreg replacement
        code to handle bare uses and clobbers.

2023-02-13  Vladimir N. Makarov  <vmakarov@redhat.com>

        * ira.cc (ira_update_equiv_info_by_shuffle_insn): Clear equiv
        caller_save_p flag when clearing defined_p flag.
        (setup_reg_equiv): Ditto.
        * lra-constraints.cc (lra_constraints): Ditto.

2023-02-13  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/108516
        * config/i386/predicates.md (extr_register_operand):
        New special predicate.
        * config/i386/i386.md (*extv<mode>): Use extr_register_operand
        as operand 1 predicate.
        (*exzv<mode>): Ditto.
        (*extendqi<SWI24:mode>_ext_1): New insn pattern.

2023-02-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/28614
        * tree-ssa-sccvn.cc (can_track_predicate_on_edge): Avoid
        walking all edges in most cases.
        (vn_nary_op_insert_pieces_predicated): Avoid repeated
        calls to can_track_predicate_on_edge unless checking is
        enabled.
        (process_bb): Instead call it once here for each edge
        we register possibly multiple predicates on.

2023-02-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/108691
        * tree-cfg.cc (notice_special_calls): When the CFG is built
        honor gimple_call_ctrl_altering_p.
        * cfgexpand.cc (expand_call_stmt): Clear cfun->calls_setjmp
        temporarily if the call is not control-altering.
        * calls.cc (emit_call_1): Do not add REG_SETJMP if
        cfun->calls_setjmp is not set.  Do not alter cfun->calls_setjmp.

2023-02-13  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        PR target/108102
        * config/s390/s390.cc (s390_bb_fallthru_entry_likely): Remove.
        (struct s390_sched_state): Initialise to zero.
        (s390_sched_variable_issue): For better debuggability also emit
        the current side.
        (s390_sched_init): Unconditionally reset scheduler state.

2023-02-13  Richard Sandiford  <richard.sandiford@arm.com>

        * ifcvt.h (noce_if_info::cond_inverted): New field.
        * ifcvt.cc (cond_move_convert_if_block): Swap the then and else
        values when cond_inverted is true.
        (noce_find_if_block): Allow the condition to be inverted when
        handling conditional moves.

2023-02-13  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * config/s390/predicates.md (execute_operation): Use
        constrain_operands instead of extract_constrain_insn in order to
        determine wheter there exists a valid alternative.

2023-02-13  Claudiu Zissulescu  <claziss@gmail.com>

        * common/config/arc/arc-common.cc (arc_option_optimization_table):
        Remove millicode from list.

2023-02-13  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Document ira-simple-lra-insn-threshold.

2023-02-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/106722
        * tree-ssa-dce.cc (mark_last_stmt_necessary): Return
        whether we marked a stmt.
        (mark_control_dependent_edges_necessary): When
        mark_last_stmt_necessary didn't mark any stmt make sure
        to mark its control dependent edges.
        (propagate_necessity): Likewise.

2023-02-13  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.h (RISCV_DWARF_VLENB): New.
        (DWARF_FRAME_REGISTERS): New.
        (DWARF_REG_TO_UNWIND_COLUMN): New.

2023-02-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/sourcebuild.texi: Remove (broken) direct reference to
        "The GNU configure and build system".

2023-02-12  Jin Ma  <jinma@linux.alibaba.com>

        * config/riscv/riscv.cc (riscv_adjust_libcall_cfi_prologue): Change
        gen_add3_insn to gen_rtx_SET.
        (riscv_adjust_libcall_cfi_epilogue): Likewise.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-bases.cc (class sat_op): New class.
        (class vnclip): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vaadd): Ditto.
        (vasub): Ditto.
        (vaaddu): Ditto.
        (vasubu): Ditto.
        (vsmul): Ditto.
        (vssra): Ditto.
        (vssrl): Ditto.
        (vnclipu): Ditto.
        (vnclip): Ditto.
        * config/riscv/vector-iterators.md (su): Add instruction.
        (aadd): Ditto.
        (vaalu): Ditto.
        * config/riscv/vector.md (@pred_<sat_op><mode>): New pattern.
        (@pred_<sat_op><mode>_scalar): Ditto.
        (*pred_<sat_op><mode>_scalar): Ditto.
        (*pred_<sat_op><mode>_extended_scalar): Ditto.
        (@pred_narrow_clip<v_su><mode>): Ditto.
        (@pred_narrow_clip<v_su><mode>_scalar): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/constraints.md (Wbr): Remove unused constraint.
        * config/riscv/predicates.md: Fix move operand predicate.
        * config/riscv/riscv-vector-builtins-bases.cc (class vnshift): New class.
        (class vncvt_x): Ditto.
        (class vmerge): Ditto.
        (class vmv_v): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vsra): Ditto.
        (vsrl): Ditto.
        (vnsrl): Ditto.
        (vnsra): Ditto.
        (vncvt_x): Ditto.
        (vmerge): Ditto.
        (vmv_v): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct narrow_alu_def): Ditto.
        (struct move_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_WEXTI_OPS): New variable.
        (DEF_RVV_WEXTU_OPS): Ditto
        * config/riscv/riscv-vector-builtins.def (x_x_w): Fix type for suffix.
        (v_v): Ditto.
        (v_x): Ditto.
        (x_w): Ditto.
        (x): Ditto.
        * config/riscv/riscv.cc (riscv_print_operand): Refine ASM printting rule.
        * config/riscv/vector-iterators.md (nmsac):New iterator.
        (nmsub): New iterator.
        * config/riscv/vector.md (@pred_merge<mode>): New pattern.
        (@pred_merge<mode>_scalar): New pattern.
        (*pred_merge<mode>_scalar): New pattern.
        (*pred_merge<mode>_extended_scalar): New pattern.
        (@pred_narrow_<optab><mode>): New pattern.
        (@pred_narrow_<optab><mode>_scalar): New pattern.
        (@pred_trunc<mode>): New pattern.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-bases.cc (class vmadc): New class.
        (class vmsbc): Ditto.
        (BASE): Define new class.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmadc): New define.
        (vmsbc): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct return_mask_def):
        New class.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc
        (function_expander::use_exact_insn): Adjust for new support
        * config/riscv/riscv-vector-builtins.h
        (function_base::has_merge_operand_p): New function.
        * config/riscv/vector-iterators.md: New iterator.
        * config/riscv/vector.md (@pred_madc<mode>): New pattern.
        (@pred_msbc<mode>): Ditto.
        (@pred_madc<mode>_scalar): Ditto.
        (@pred_msbc<mode>_scalar): Ditto.
        (*pred_madc<mode>_scalar): Ditto.
        (*pred_madc<mode>_extended_scalar): Ditto.
        (*pred_msbc<mode>_scalar): Ditto.
        (*pred_msbc<mode>_extended_scalar): Ditto.
        (@pred_madc<mode>_overflow): Ditto.
        (@pred_msbc<mode>_overflow): Ditto.
        (@pred_madc<mode>_overflow_scalar): Ditto.
        (@pred_msbc<mode>_overflow_scalar): Ditto.
        (*pred_madc<mode>_overflow_scalar): Ditto.
        (*pred_madc<mode>_overflow_extended_scalar): Ditto.
        (*pred_msbc<mode>_overflow_scalar): Ditto.
        (*pred_msbc<mode>_overflow_extended_scalar): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-protos.h (simm5_p): Add vadc/vsbc support.
        * config/riscv/riscv-v.cc (simm32_p): Ditto.
        * config/riscv/riscv-vector-builtins-bases.cc (class vadc): New class.
        (class vsbc): Ditto.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vadc): Ditto.
        (vsbc): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc
        (struct no_mask_policy_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc
        (rvv_arg_type_info::get_base_vector_type): Add vadc/vsbc support.
        (rvv_arg_type_info::get_tree_type): Ditto.
        (function_expander::use_exact_insn): Ditto.
        * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Ditto.
        (function_base::use_mask_predication_p): New function.
        * config/riscv/vector-iterators.md: New iterator.
        * config/riscv/vector.md (@pred_adc<mode>): New pattern.
        (@pred_sbc<mode>): Ditto.
        (@pred_adc<mode>_scalar): Ditto.
        (@pred_sbc<mode>_scalar): Ditto.
        (*pred_adc<mode>_scalar): Ditto.
        (*pred_adc<mode>_extended_scalar): Ditto.
        (*pred_sbc<mode>_scalar): Ditto.
        (*pred_sbc<mode>_extended_scalar): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/vector.md: use "zero" reg.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vector-builtins-bases.cc (class widen_binop): New
        class.
        (class vwmulsu): Ditto.
        (class vwcvt): Ditto.
        (BASE): Add integer widening support.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto
        * config/riscv/riscv-vector-builtins-functions.def (vwadd): New class.
        (vwsub): New class.
        (vwmul): New class.
        (vwmulu): New class.
        (vwmulsu): New class.
        (vwaddu): New class.
        (vwsubu): New class.
        (vwcvt_x): New class.
        (vwcvtu_x): New class.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct alu_def): New
        class.
        (struct widen_alu_def): New class.
        (SHAPE): New class.
        * config/riscv/riscv-vector-builtins-shapes.h: New class.
        * config/riscv/riscv-vector-builtins.cc
        (rvv_arg_type_info::get_base_vector_type): Add integer widening support.
        (rvv_arg_type_info::get_tree_type): Ditto.
        * config/riscv/riscv-vector-builtins.def (x_x_v): Change into "x_v"
        (x_v): Ditto.
        * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Add integer
        widening support.
        * config/riscv/riscv-vsetvl.cc (change_insn): Fix reg_equal use bug.
        * config/riscv/riscv.h (X0_REGNUM): New constant.
        * config/riscv/vector-iterators.md: New iterators.
        * config/riscv/vector.md
        (@pred_dual_widen_<any_widen_binop:optab><any_extend:su><mode>): New
        pattern.
        (@pred_dual_widen_<any_widen_binop:optab><any_extend:su><mode>_scalar):
        Ditto.
        (@pred_single_widen_<plus_minus:optab><any_extend:su><mode>): Ditto.
        (@pred_single_widen_<plus_minus:optab><any_extend:su><mode>_scalar):
        Ditto.
        (@pred_widen_mulsu<mode>): Ditto.
        (@pred_widen_mulsu<mode>_scalar): Ditto.
        (@pred_<optab><mode>): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
            kito-cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.cc: Add flag for 'V' extension.
        * config/riscv/riscv-vector-builtins-bases.cc (class vmulh): New class.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vmulh): Add vmulh
        API support.
        (vmulhu): Ditto.
        (vmulhsu): Ditto.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_FULL_V_I_OPS):
        New macro.
        (DEF_RVV_FULL_V_U_OPS): Ditto.
        (vint8mf8_t): Ditto.
        (vint8mf4_t): Ditto.
        (vint8mf2_t): Ditto.
        (vint8m1_t): Ditto.
        (vint8m2_t): Ditto.
        (vint8m4_t): Ditto.
        (vint8m8_t): Ditto.
        (vint16mf4_t): Ditto.
        (vint16mf2_t): Ditto.
        (vint16m1_t): Ditto.
        (vint16m2_t): Ditto.
        (vint16m4_t): Ditto.
        (vint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vint64m1_t): Ditto.
        (vint64m2_t): Ditto.
        (vint64m4_t): Ditto.
        (vint64m8_t): Ditto.
        (vuint8mf8_t): Ditto.
        (vuint8mf4_t): Ditto.
        (vuint8mf2_t): Ditto.
        (vuint8m1_t): Ditto.
        (vuint8m2_t): Ditto.
        (vuint8m4_t): Ditto.
        (vuint8m8_t): Ditto.
        (vuint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_FULL_V_I_OPS): Ditto.
        (DEF_RVV_FULL_V_U_OPS): Ditto.
        (check_required_extensions): Add vmulh support.
        (rvv_arg_type_info::get_tree_type): Ditto.
        * config/riscv/riscv-vector-builtins.h (RVV_REQUIRE_FULL_V): Ditto.
        (enum rvv_base_type): Ditto.
        * config/riscv/riscv.opt: Add 'V' extension flag.
        * config/riscv/vector-iterators.md (su): New iterator.
        * config/riscv/vector.md (@pred_mulh<v_su><mode>): New pattern.
        (@pred_mulh<v_su><mode>_scalar): Ditto.
        (*pred_mulh<v_su><mode>_scalar): Ditto.
        (*pred_mulh<v_su><mode>_extended_scalar): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/iterators.md: Add sign_extend/zero_extend.
        * config/riscv/riscv-vector-builtins-bases.cc (class ext): New class.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Add vsext/vzext support.
        * config/riscv/riscv-vector-builtins-functions.def (vsext): New macro
        define.
        (vzext): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct alu_def): Adjust
        for vsext/vzext support.
        * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_WEXTI_OPS): New
        macro define.
        (DEF_RVV_QEXTI_OPS): Ditto.
        (DEF_RVV_OEXTI_OPS): Ditto.
        (DEF_RVV_WEXTU_OPS): Ditto.
        (DEF_RVV_QEXTU_OPS): Ditto.
        (DEF_RVV_OEXTU_OPS): Ditto.
        (vint16mf4_t): Ditto.
        (vint16mf2_t): Ditto.
        (vint16m1_t): Ditto.
        (vint16m2_t): Ditto.
        (vint16m4_t): Ditto.
        (vint16m8_t): Ditto.
        (vint32mf2_t): Ditto.
        (vint32m1_t): Ditto.
        (vint32m2_t): Ditto.
        (vint32m4_t): Ditto.
        (vint32m8_t): Ditto.
        (vint64m1_t): Ditto.
        (vint64m2_t): Ditto.
        (vint64m4_t): Ditto.
        (vint64m8_t): Ditto.
        (vuint16mf4_t): Ditto.
        (vuint16mf2_t): Ditto.
        (vuint16m1_t): Ditto.
        (vuint16m2_t): Ditto.
        (vuint16m4_t): Ditto.
        (vuint16m8_t): Ditto.
        (vuint32mf2_t): Ditto.
        (vuint32m1_t): Ditto.
        (vuint32m2_t): Ditto.
        (vuint32m4_t): Ditto.
        (vuint32m8_t): Ditto.
        (vuint64m1_t): Ditto.
        (vuint64m2_t): Ditto.
        (vuint64m4_t): Ditto.
        (vuint64m8_t): Ditto.
        * config/riscv/riscv-vector-builtins.cc (DEF_RVV_WEXTI_OPS): Ditto.
        (DEF_RVV_QEXTI_OPS): Ditto.
        (DEF_RVV_OEXTI_OPS): Ditto.
        (DEF_RVV_WEXTU_OPS): Ditto.
        (DEF_RVV_QEXTU_OPS): Ditto.
        (DEF_RVV_OEXTU_OPS): Ditto.
        (rvv_arg_type_info::get_base_vector_type): Add sign_exted/zero_extend
        support.
        (rvv_arg_type_info::get_tree_type): Ditto.
        * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Ditto.
        * config/riscv/vector-iterators.md (z): New attribute.
        * config/riscv/vector.md (@pred_<optab><mode>_vf2): New pattern.
        (@pred_<optab><mode>_vf4): Ditto.
        (@pred_<optab><mode>_vf8): Ditto.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/iterators.md: Add saturating Addition && Subtraction.
        * config/riscv/riscv-v.cc (has_vi_variant_p): Ditto.
        * config/riscv/riscv-vector-builtins-bases.cc (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vsadd): New def.
        (vssub): Ditto.
        (vsaddu): Ditto.
        (vssubu): Ditto.
        * config/riscv/vector-iterators.md (sll.vi): Adjust for Saturating
        support.
        (sll.vv): Ditto.
        (%3,%v4): Ditto.
        (%3,%4): Ditto.
        * config/riscv/vector.md (@pred_<optab><mode>): New pattern.
        (@pred_<optab><mode>_scalar): New pattern.
        (*pred_<optab><mode>_scalar): New pattern.
        (*pred_<optab><mode>_extended_scalar): New pattern.

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/iterators.md: Add neg and not.
        * config/riscv/riscv-vector-builtins-bases.cc (class unop): New class.
        (BASE): Ditto.
        * config/riscv/riscv-vector-builtins-bases.h: Ditto.
        * config/riscv/riscv-vector-builtins-functions.def (vadd): Rename binop
        into alu.
        (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.
        (vrsub): Ditto.
        (vneg): Ditto.
        (vnot): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.cc (struct binop_def): Ditto.
        (struct alu_def): Ditto.
        (SHAPE): Ditto.
        * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
        * config/riscv/riscv-vector-builtins.cc: Support unary C/C/++.
        * config/riscv/vector-iterators.md: New iterator.
        * config/riscv/vector.md (@pred_<optab><mode>): New pattern

2023-02-12  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>

        * config/riscv/riscv-vsetvl.cc (pass_vsetvl::compute_probabilities): Skip exit block.

2023-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/108605
        * ipa-cp.cc (ipa_agg_value_from_jfunc): Return NULL_TREE also if
        item->offset bit position is too large to be representable as
        unsigned int byte position.

2023-02-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Other Builtins): Adjust link to WG14 N965.

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.

\f
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