Macro std::arch::is_aarch64_feature_detected
1.60.0 · source · macro_rules! is_aarch64_feature_detected { ("neon") => { ... }; ("pmull") => { ... }; ("fp") => { ... }; ("aes") => { ... }; ("bf16") => { ... }; ("bti") => { ... }; ("crc") => { ... }; ("cssc") => { ... }; ("dit") => { ... }; ("dpb") => { ... }; ("dpb2") => { ... }; ("dotprod") => { ... }; ("ecv") => { ... }; ("f32mm") => { ... }; ("f64mm") => { ... }; ("faminmax") => { ... }; ("fcma") => { ... }; ("fhm") => { ... }; ("flagm") => { ... }; ("flagm2") => { ... }; ("fp16") => { ... }; ("fp8") => { ... }; ("fp8dot2") => { ... }; ("fp8dot4") => { ... }; ("fp8fma") => { ... }; ("fpmr") => { ... }; ("frintts") => { ... }; ("hbc") => { ... }; ("i8mm") => { ... }; ("jsconv") => { ... }; ("lse") => { ... }; ("lse128") => { ... }; ("lse2") => { ... }; ("lut") => { ... }; ("mops") => { ... }; ("mte") => { ... }; ("paca") => { ... }; ("pacg") => { ... }; ("rand") => { ... }; ("rcpc") => { ... }; ("rcpc2") => { ... }; ("rcpc3") => { ... }; ("rdm") => { ... }; ("sb") => { ... }; ("sha2") => { ... }; ("sha3") => { ... }; ("sm4") => { ... }; ("sme") => { ... }; ("sme2") => { ... }; ("sme2p1") => { ... }; ("sme-f16f16") => { ... }; ("sme-f64f64") => { ... }; ("sme-f8f16") => { ... }; ("sme-f8f32") => { ... }; ("sme-fa64") => { ... }; ("sme-i16i64") => { ... }; ("sme-lutv2") => { ... }; ("ssbs") => { ... }; ("ssve-fp8dot2") => { ... }; ("ssve-fp8dot4") => { ... }; ("ssve-fp8fma") => { ... }; ("sve") => { ... }; ("sve2") => { ... }; ("sve2p1") => { ... }; ("sve2-aes") => { ... }; ("sve-b16b16") => { ... }; ("sve2-bitperm") => { ... }; ("sve2-sha3") => { ... }; ("sve2-sm4") => { ... }; ("tme") => { ... }; ("wfxt") => { ... }; ("asimd") => { ... }; ("ras") => { ... }; ("v8.1a") => { ... }; ("v8.2a") => { ... }; ("v8.3a") => { ... }; ("v8.4a") => { ... }; ("v8.5a") => { ... }; ("v8.6a") => { ... }; ("v8.7a") => { ... }; ("v8.8a") => { ... }; ("v8.9a") => { ... }; ("v9.1a") => { ... }; ("v9.2a") => { ... }; ("v9.3a") => { ... }; ("v9.4a") => { ... }; ("v9.5a") => { ... }; ("v9a") => { ... }; ($t:tt,) => { ... }; ($t:tt) => { ... }; }
Expand description
This macro tests, at runtime, whether an aarch64 feature is enabled on aarch64 platforms.
Currently most features are only supported on linux-based platforms.
This macro takes one argument which is a string literal of the feature being tested for. The feature names are mostly taken from their FEAT_* definitions in the ARM Architecture Reference Manual.
§Supported arguments
"aes"- FEAT_AES & FEAT_PMULL"asimd"or “neon” - FEAT_AdvSIMD"bf16"- FEAT_BF16"bti"- FEAT_BTI"crc"- FEAT_CRC"cssc"- FEAT_CSSC"dit"- FEAT_DIT"dotprod"- FEAT_DotProd"dpb"- FEAT_DPB"dpb2"- FEAT_DPB2"ecv"- FEAT_ECV"f32mm"- FEAT_F32MM"f64mm"- FEAT_F64MM"faminmax"- FEAT_FAMINMAX"fcma"- FEAT_FCMA"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