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Update aarch64 feature detection #1614

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merged 4 commits into from
Jul 25, 2024
Merged

Update aarch64 feature detection #1614

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bff8cec
std_detect: Add aarch64/linux/LLVM features
mrkajetanp Jun 14, 2024
60ad653
std_detect: Add aarch64/linux/LLVM SME features
mrkajetanp Jun 17, 2024
817e02b
std_detect: Sort aarch64 features
mrkajetanp Jul 2, 2024
18fab17
std_detect: Update aarch64 feature dependencies to LLVM upstream
mrkajetanp Jul 3, 2024
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270 changes: 184 additions & 86 deletions crates/std_detect/src/detect/arch/aarch64.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,47 +14,77 @@ features! {
///
/// ## Supported arguments
///
/// * `"aes"` - FEAT_AES & FEAT_PMULL
/// * `"asimd"` or "neon" - FEAT_AdvSIMD
/// * `"pmull"` - FEAT_PMULL
/// * `"fp"` - FEAT_FP
/// * `"fp16"` - FEAT_FP16
/// * `"sve"` - FEAT_SVE
/// * `"bf16"` - FEAT_BF16
/// * `"bti"` - FEAT_BTI
/// * `"crc"` - FEAT_CRC
/// * `"lse"` - FEAT_LSE
/// * `"lse2"` - FEAT_LSE2
/// * `"rdm"` - FEAT_RDM
/// * `"rcpc"` - FEAT_LRCPC
/// * `"rcpc2"` - FEAT_LRCPC2
/// * `"dotprod"` - FEAT_DotProd
/// * `"tme"` - FEAT_TME
/// * `"fhm"` - FEAT_FHM
/// * `"cssc"` - FEAT_CSSC
/// * `"dit"` - FEAT_DIT
/// * `"flagm"` - FEAT_FLAGM
/// * `"ssbs"` - FEAT_SSBS & FEAT_SSBS2
/// * `"sb"` - FEAT_SB
/// * `"paca"` - FEAT_PAuth (address authentication)
/// * `"pacg"` - FEAT_Pauth (generic authentication)
/// * `"dotprod"` - FEAT_DotProd
/// * `"dpb"` - FEAT_DPB
/// * `"dpb2"` - FEAT_DPB2
/// * `"sve2"` - FEAT_SVE2
/// * `"sve2-aes"` - FEAT_SVE2_AES
/// * `"sve2-sm4"` - FEAT_SVE2_SM4
/// * `"sve2-sha3"` - FEAT_SVE2_SHA3
/// * `"sve2-bitperm"` - FEAT_SVE2_BitPerm
/// * `"frintts"` - FEAT_FRINTTS
/// * `"i8mm"` - FEAT_I8MM
/// * `"ecv"` - FEAT_ECV
/// * `"f32mm"` - FEAT_F32MM
/// * `"f64mm"` - FEAT_F64MM
/// * `"bf16"` - FEAT_BF16
/// * `"rand"` - FEAT_RNG
/// * `"bti"` - FEAT_BTI
/// * `"mte"` - FEAT_MTE & FEAT_MTE2
/// * `"jsconv"` - FEAT_JSCVT
/// * `"faminmax"` - FEAT_FAMINMAX
/// * `"fcma"` - FEAT_FCMA
/// * `"aes"` - FEAT_AES & FEAT_PMULL
/// * `"fhm"` - FEAT_FHM
/// * `"flagm"` - FEAT_FLAGM
/// * `"flagm2"` - FEAT_FLAGM2
/// * `"fp"` - FEAT_FP
/// * `"fp16"` - FEAT_FP16
/// * `"fp8"` - FEAT_FP8
/// * `"fp8dot2"` - FEAT_FP8DOT2
/// * `"fp8dot4"` - FEAT_FP8DOT4
/// * `"fp8fma"` - FEAT_FP8FMA
/// * `"fpmr"` - FEAT_FPMR
/// * `"frintts"` - FEAT_FRINTTS
/// * `"hbc"` - FEAT_HBC
/// * `"i8mm"` - FEAT_I8MM
/// * `"jsconv"` - FEAT_JSCVT
/// * `"lse"` - FEAT_LSE
/// * `"lse128"` - FEAT_LSE128
/// * `"lse2"` - FEAT_LSE2
/// * `"lut"` - FEAT_LUT
/// * `"mops"` - FEAT_MOPS
/// * `"mte"` - FEAT_MTE & FEAT_MTE2
/// * `"paca"` - FEAT_PAuth (address authentication)
/// * `"pacg"` - FEAT_Pauth (generic authentication)
/// * `"pmull"` - FEAT_PMULL
/// * `"rand"` - FEAT_RNG
/// * `"rcpc"` - FEAT_LRCPC
/// * `"rcpc2"` - FEAT_LRCPC2
/// * `"rcpc3"` - FEAT_LRCPC3
/// * `"rdm"` - FEAT_RDM
/// * `"sb"` - FEAT_SB
/// * `"sha2"` - FEAT_SHA1 & FEAT_SHA256
/// * `"sha3"` - FEAT_SHA512 & FEAT_SHA3
/// * `"sm4"` - FEAT_SM3 & FEAT_SM4
/// * `"sme"` - FEAT_SME
/// * `"sme-f16f16"` - FEAT_SME_F16F16
/// * `"sme-f64f64"` - FEAT_SME_F64F64
/// * `"sme-f8f16"` - FEAT_SME_F8F16
/// * `"sme-f8f32"` - FEAT_SME_F8F32
/// * `"sme-fa64"` - FEAT_SME_FA64
/// * `"sme-i16i64"` - FEAT_SME_I16I64
/// * `"sme-lutv2"` - FEAT_SME_LUTv2
/// * `"sme2"` - FEAT_SME2
/// * `"sme2p1"` - FEAT_SME2p1
/// * `"ssbs"` - FEAT_SSBS & FEAT_SSBS2
/// * `"ssve-fp8dot2"` - FEAT_SSVE_FP8DOT2
/// * `"ssve-fp8dot4"` - FEAT_SSVE_FP8DOT4
/// * `"ssve-fp8fma"` - FEAT_SSVE_FP8FMA
/// * `"sve"` - FEAT_SVE
/// * `"sve-b16b16"` - FEAT_SVE_B16B16
/// * `"sve2"` - FEAT_SVE2
/// * `"sve2-aes"` - FEAT_SVE_AES & FEAT_SVE_PMULL128 (SVE2 AES crypto)
/// * `"sve2-bitperm"` - FEAT_SVE2_BitPerm
/// * `"sve2-sha3"` - FEAT_SVE2_SHA3
/// * `"sve2-sm4"` - FEAT_SVE2_SM4
/// * `"sve2p1"` - FEAT_SVE2p1
/// * `"tme"` - FEAT_TME
/// * `"wfxt"` - FEAT_WFxT
///
/// [docs]: https://developer.arm.com/documentation/ddi0487/latest
#[stable(feature = "simd_aarch64", since = "1.60.0")]
Expand All @@ -67,6 +97,14 @@ features! {
@NO_RUNTIME_DETECTION: "v8.5a";
@NO_RUNTIME_DETECTION: "v8.6a";
@NO_RUNTIME_DETECTION: "v8.7a";
@NO_RUNTIME_DETECTION: "v8.8a";
@NO_RUNTIME_DETECTION: "v8.9a";
@NO_RUNTIME_DETECTION: "v9.1a";
@NO_RUNTIME_DETECTION: "v9.2a";
@NO_RUNTIME_DETECTION: "v9.3a";
@NO_RUNTIME_DETECTION: "v9.4a";
@NO_RUNTIME_DETECTION: "v9.5a";
@NO_RUNTIME_DETECTION: "v9a";
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] asimd: "neon";
/// FEAT_AdvSIMD (Advanced SIMD/NEON)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] pmull: "pmull";
Expand All @@ -75,80 +113,140 @@ features! {
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fp: "fp";
implied by target_features: ["neon"];
/// FEAT_FP (Floating point support) - Implied by `neon` target_feature
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fp16: "fp16";
/// FEAT_FP16 (Half-float support)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve: "sve";
/// FEAT_SVE (Scalable Vector Extension)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] aes: "aes";
/// FEAT_AES (AES SIMD instructions) & FEAT_PMULL (PMULL{2}, 64-bit operand variants)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] bf16: "bf16";
/// FEAT_BF16 (BFloat16 type, plus MM instructions, plus ASIMD support)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] bti: "bti";
/// FEAT_BTI (Branch Target Identification)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] crc: "crc";
/// FEAT_CRC32 (Cyclic Redundancy Check)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] lse: "lse";
/// FEAT_LSE (Large System Extension - atomics)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] lse2: "lse2";
/// FEAT_LSE2 (unaligned and register-pair atomics)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rdm: "rdm";
/// FEAT_RDM (Rounding Doubling Multiply - ASIMDRDM)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rcpc: "rcpc";
/// FEAT_LRCPC (Release consistent Processor consistent)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rcpc2: "rcpc2";
/// FEAT_LRCPC2 (RCPC with immediate offsets)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] dotprod: "dotprod";
/// FEAT_DotProd (Vector Dot-Product - ASIMDDP)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] tme: "tme";
/// FEAT_TME (Transactional Memory Extensions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fhm: "fhm";
/// FEAT_FHM (fp16 multiplication instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] cssc: "cssc";
/// FEAT_CSSC (Common Short Sequence Compression instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] dit: "dit";
/// FEAT_DIT (Data Independent Timing instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] flagm: "flagm";
/// FEAT_FLAGM (flag manipulation instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] ssbs: "ssbs";
/// FEAT_SSBS & FEAT_SSBS2 (speculative store bypass safe)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sb: "sb";
/// FEAT_SB (speculation barrier)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] paca: "paca";
/// FEAT_PAuth (address authentication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] pacg: "pacg";
/// FEAT_PAuth (generic authentication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] dpb: "dpb";
/// FEAT_DPB (aka dcpop - data cache clean to point of persistence)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] dpb2: "dpb2";
/// FEAT_DPB2 (aka dcpodp - data cache clean to point of deep persistence)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2: "sve2";
/// FEAT_SVE2 (Scalable Vector Extension 2)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_aes: "sve2-aes";
/// FEAT_SVE_AES (SVE2 AES crypto)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_sm4: "sve2-sm4";
/// FEAT_SVE_SM4 (SVE2 SM4 crypto)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_sha3: "sve2-sha3";
/// FEAT_SVE_SHA3 (SVE2 SHA3 crypto)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_bitperm: "sve2-bitperm";
/// FEAT_SVE_BitPerm (SVE2 bit permutation instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] frintts: "frintts";
/// FEAT_FRINTTS (float to integer rounding instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] i8mm: "i8mm";
/// FEAT_I8MM (integer matrix multiplication, plus ASIMD support)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] dotprod: "dotprod";
/// FEAT_DotProd (Vector Dot-Product - ASIMDDP)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] ecv: "ecv";
/// FEAT_ECV (Enhanced Counter Virtualization)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] f32mm: "f32mm";
/// FEAT_F32MM (single-precision matrix multiplication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] f64mm: "f64mm";
/// FEAT_F64MM (double-precision matrix multiplication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] bf16: "bf16";
/// FEAT_BF16 (BFloat16 type, plus MM instructions, plus ASIMD support)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rand: "rand";
/// FEAT_RNG (Random Number Generator)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] bti: "bti";
/// FEAT_BTI (Branch Target Identification)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] mte: "mte";
/// FEAT_MTE & FEAT_MTE2 (Memory Tagging Extension)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] jsconv: "jsconv";
/// FEAT_JSCVT (JavaScript float conversion instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] faminmax: "faminmax";
/// FEAT_FAMINMAX (FAMIN and FAMAX SIMD/SVE/SME instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fcma: "fcma";
/// FEAT_FCMA (float complex number operations)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] aes: "aes";
/// FEAT_AES (AES SIMD instructions) & FEAT_PMULL (PMULL{2}, 64-bit operand variants)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fhm: "fhm";
/// FEAT_FHM (fp16 multiplication instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] flagm: "flagm";
/// FEAT_FLAGM (flag manipulation instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] flagm2: "flagm2";
/// FEAT_FLAGM2 (flag manipulation instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] fp16: "fp16";
/// FEAT_FP16 (Half-float support)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] fp8: "fp8";
/// FEAT_FP8 (F8CVT Instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] fp8dot2: "fp8dot2";
/// FEAT_FP8DOT2 (F8DP2 Instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] fp8dot4: "fp8dot4";
/// FEAT_FP8DOT4 (F8DP4 Instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] fp8fma: "fp8fma";
/// FEAT_FP8FMA (F8FMA Instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] fpmr: "fpmr";
/// FEAT_FPMR (Special-purpose AArch64-FPMR register)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] frintts: "frintts";
/// FEAT_FRINTTS (float to integer rounding instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] hbc: "hbc";
/// FEAT_HBC (Hinted conditional branches)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] i8mm: "i8mm";
/// FEAT_I8MM (integer matrix multiplication, plus ASIMD support)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] jsconv: "jsconv";
/// FEAT_JSCVT (JavaScript float conversion instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] lse: "lse";
/// FEAT_LSE (Large System Extension - atomics)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] lse128: "lse128";
/// FEAT_LSE128 (128-bit atomics)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] lse2: "lse2";
/// FEAT_LSE2 (unaligned and register-pair atomics)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] lut: "lut";
/// FEAT_LUT (Lookup Table Instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] mops: "mops";
/// FEAT_MOPS (Standardization of memory operations)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] mte: "mte";
/// FEAT_MTE & FEAT_MTE2 (Memory Tagging Extension)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] paca: "paca";
/// FEAT_PAuth (address authentication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] pacg: "pacg";
/// FEAT_PAuth (generic authentication)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rand: "rand";
/// FEAT_RNG (Random Number Generator)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rcpc: "rcpc";
/// FEAT_LRCPC (Release consistent Processor consistent)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rcpc2: "rcpc2";
/// FEAT_LRCPC2 (RCPC with immediate offsets)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] rcpc3: "rcpc3";
/// FEAT_LRCPC3 (RCPC Instructions v3)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] rdm: "rdm";
/// FEAT_RDM (Rounding Doubling Multiply - ASIMDRDM)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sb: "sb";
/// FEAT_SB (speculation barrier)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sha2: "sha2";
/// FEAT_SHA1 & FEAT_SHA256 (SHA1 & SHA2-256 instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sha3: "sha3";
/// FEAT_SHA512 & FEAT_SHA3 (SHA2-512 & SHA3 instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sm4: "sm4";
/// FEAT_SM3 & FEAT_SM4 (SM3 & SM4 instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme: "sme";
/// FEAT_SME (Scalable Matrix Extension)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme2: "sme2";
/// FEAT_SME2 (SME Version 2)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme2p1: "sme2p1";
/// FEAT_SME2p1 (SME Version 2.1)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_f16f16: "sme-f16f16";
/// FEAT_SME_F16F16 (Non-widening half-precision FP16 to FP16 arithmetic for SME2)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_f64f64: "sme-f64f64";
/// FEAT_SME_F64F64 (Double-precision floating-point outer product instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_f8f16: "sme-f8f16";
/// FEAT_SME_F8F16
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_f8f32: "sme-f8f32";
/// FEAT_SME_F8F32
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_fa64: "sme-fa64";
/// FEAT_SME_FA64 (Full A64 instruction set support in Streaming SVE mode)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_i16i64: "sme-i16i64";
/// FEAT_SME_I16I64 (16-bit to 64-bit integer widening outer product instructions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sme_lutv2: "sme-lutv2";
/// FEAT_SME_LUTv2 (LUTI4 Instruction)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] ssbs: "ssbs";
/// FEAT_SSBS & FEAT_SSBS2 (speculative store bypass safe)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] ssve_fp8dot2: "ssve-fp8dot2";
/// FEAT_SSVE_FP8DOT2
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] ssve_fp8dot4: "ssve-fp8dot4";
/// FEAT_SSVE_FP8DOT4
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] ssve_fp8fma: "ssve-fp8fma";
/// FEAT_SSVE_FP8FMA
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve: "sve";
/// FEAT_SVE (Scalable Vector Extension)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2: "sve2";
/// FEAT_SVE2 (Scalable Vector Extension 2)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sve2p1: "sve2p1";
/// FEAT_SVE2p1 (Scalable Vector Extension 2.1)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_aes: "sve2-aes";
/// FEAT_SVE_AES & FEAT_SVE_PMULL128 (SVE2 AES crypto)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] sve_b16b16: "sve-b16b16";
/// FEAT_SVE_B16B16 (SVE or SME Instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_bitperm: "sve2-bitperm";
/// FEAT_SVE_BitPerm (SVE2 bit permutation instructions)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_sha3: "sve2-sha3";
/// FEAT_SVE_SHA3 (SVE2 SHA3 crypto)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] sve2_sm4: "sve2-sm4";
/// FEAT_SVE_SM4 (SVE2 SM4 crypto)
@FEATURE: #[stable(feature = "simd_aarch64", since = "1.60.0")] tme: "tme";
/// FEAT_TME (Transactional Memory Extensions)
@FEATURE: #[unstable(feature = "stdarch_aarch64_feature_detection", issue = "127764")] wfxt: "wfxt";
/// FEAT_WFxT (WFET and WFIT Instructions)
}
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