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attributes/codegen: Add aarch64/linux/LLVM features #1546

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attributes/codegen: Add aarch64/linux/LLVM features #1546

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attributes/codegen: Add aarch64/linux/LLVM features
mrkajetanp Jul 2, 2024
ec8056a
attributes/codegen: Add aarch64/linux/LLVM SME features
mrkajetanp Jul 2, 2024
9f10d66
attributes/codegen: Update aarch64 feature dependencies
mrkajetanp Jul 3, 2024
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122 changes: 76 additions & 46 deletions src/attributes/codegen.md
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Expand Up @@ -157,52 +157,82 @@ Reference Manual], or elsewhere on [developer.arm.com].
> - `paca` and `pacg`, which LLVM currently implements as one feature.


Feature | Implicitly Enables | Feature Name
---------------|--------------------|-------------------
`aes` | `neon` | FEAT_AES & FEAT_PMULL --- Advanced <abbr title="Single Instruction Multiple Data">SIMD</abbr> AES & PMULL instructions
`bf16` | | FEAT_BF16 --- BFloat16 instructions
`bti` | | FEAT_BTI --- Branch Target Identification
`crc` | | FEAT_CRC --- CRC32 checksum instructions
`dit` | | FEAT_DIT --- Data Independent Timing instructions
`dotprod` | | FEAT_DotProd --- Advanced SIMD Int8 dot product instructions
`dpb` | | FEAT_DPB --- Data cache clean to point of persistence
`dpb2` | | FEAT_DPB2 --- Data cache clean to point of deep persistence
`f32mm` | `sve` | FEAT_F32MM --- SVE single-precision FP matrix multiply instruction
`f64mm` | `sve` | FEAT_F64MM --- SVE double-precision FP matrix multiply instruction
`fcma` | `neon` | FEAT_FCMA --- Floating point complex number support
`fhm` | `fp16` | FEAT_FHM --- Half-precision FP FMLAL instructions
`flagm` | | FEAT_FlagM --- Conditional flag manipulation
`fp16` | `neon` | FEAT_FP16 --- Half-precision FP data processing
`frintts` | | FEAT_FRINTTS --- Floating-point to int helper instructions
`i8mm` | | FEAT_I8MM --- Int8 Matrix Multiplication
`jsconv` | `neon` | FEAT_JSCVT --- JavaScript conversion instruction
`lse` | | FEAT_LSE --- Large System Extension
`lor` | | FEAT_LOR --- Limited Ordering Regions extension
`mte` | | FEAT_MTE & FEAT_MTE2 --- Memory Tagging Extension
`neon` | | FEAT_FP & FEAT_AdvSIMD --- Floating Point and Advanced SIMD extension
`pan` | | FEAT_PAN --- Privileged Access-Never extension
`paca` | | FEAT_PAuth --- Pointer Authentication (address authentication)
`pacg` | | FEAT_PAuth --- Pointer Authentication (generic authentication)
`pmuv3` | | FEAT_PMUv3 --- Performance Monitors extension (v3)
`rand` | | FEAT_RNG --- Random Number Generator
`ras` | | FEAT_RAS & FEAT_RASv1p1 --- Reliability, Availability and Serviceability extension
`rcpc` | | FEAT_LRCPC --- Release consistent Processor Consistent
`rcpc2` | `rcpc` | FEAT_LRCPC2 --- RcPc with immediate offsets
`rdm` | | FEAT_RDM --- Rounding Double Multiply accumulate
`sb` | | FEAT_SB --- Speculation Barrier
`sha2` | `neon` | FEAT_SHA1 & FEAT_SHA256 --- Advanced SIMD SHA instructions
`sha3` | `sha2` | FEAT_SHA512 & FEAT_SHA3 --- Advanced SIMD SHA instructions
`sm4` | `neon` | FEAT_SM3 & FEAT_SM4 --- Advanced SIMD SM3/4 instructions
`spe` | | FEAT_SPE --- Statistical Profiling Extension
`ssbs` | | FEAT_SSBS & FEAT_SSBS2 --- Speculative Store Bypass Safe
`sve` | `fp16` | FEAT_SVE --- Scalable Vector Extension
`sve2` | `sve` | FEAT_SVE2 --- Scalable Vector Extension 2
`sve2-aes` | `sve2`, `aes` | FEAT_SVE_AES --- SVE AES instructions
`sve2-sm4` | `sve2`, `sm4` | FEAT_SVE_SM4 --- SVE SM4 instructions
`sve2-sha3` | `sve2`, `sha3` | FEAT_SVE_SHA3 --- SVE SHA3 instructions
`sve2-bitperm` | `sve2` | FEAT_SVE_BitPerm --- SVE Bit Permute
`tme` | | FEAT_TME --- Transactional Memory Extension
`vh` | | FEAT_VHE --- Virtualization Host Extensions
Feature | Implicitly Enables | Feature Name
---------------|---------------------------|-------------------
`aes` | `neon` | FEAT_AES & FEAT_PMULL --- Advanced <abbr title="Single Instruction Multiple Data">SIMD</abbr> AES & PMULL instructions
`bf16` | | FEAT_BF16 --- BFloat16 instructions
`bti` | | FEAT_BTI --- Branch Target Identification
`crc` | | FEAT_CRC --- CRC32 checksum instructions
`cssc` | | FEAT_CSSC --- Common Short Sequence Compression (CSSC) instructions
`dit` | | FEAT_DIT --- Data Independent Timing instructions
`dotprod` | | FEAT_DotProd --- Advanced SIMD Int8 dot product instructions
`dpb` | | FEAT_DPB --- Data cache clean to point of persistence
`dpb2` | | FEAT_DPB2 --- Data cache clean to point of deep persistence
`ecv` | | FEAT_ECV --- Enhanced counter virtualization extension
`faminmax` | | FEAT_FAMINMAX --- Enable FAMIN and FAMAX instructions
`f32mm` | `sve` | FEAT_F32MM --- SVE single-precision FP matrix multiply instruction
`f64mm` | `sve` | FEAT_F64MM --- SVE double-precision FP matrix multiply instruction
`fcma` | `neon` | FEAT_FCMA --- Floating point complex number support
`fhm` | `fp16` | FEAT_FHM --- Half-precision FP FMLAL instructions
`flagm` | | FEAT_FlagM --- Conditional flag manipulation
`flagm2` | | FEAT_FlagM2 --- Enhancements to flag manipulation instructions
`fp16` | `neon` | FEAT_FP16 --- Half-precision FP data processing
`fp8` | `bf16`, `lut`, `faminmax` | FEAT_FP8 --- FP8 (F8CVT Instructions)
`fp8fma` | `fp8` | FEAT_FP8FMA --- FP8 multiply-add instructions
`fp8dot2` | `fp8dot4` | FEAT_FP8DOT2 --- FP8 2-way dot product instructions
`fp8dot4` | `fp8fma` | FEAT_FP8DOT4 --- FP8 4-way dot product instructions
`frintts` | | FEAT_FRINTTS --- Floating-point to int helper instructions
`hbc` | | FEAT_HBC --- Hinted conditional branches
`i8mm` | | FEAT_I8MM --- Int8 Matrix Multiplication
`jsconv` | `neon` | FEAT_JSCVT --- JavaScript conversion instruction
`lse` | | FEAT_LSE --- Large System Extensions
`lse2` | | FEAT_LSE2 --- Large System Extensions version 2
`lse128` | `lse` | FEAT_LSE128 --- 128-bit Atomics
`lut` | | FEAT_LUT --- Lookup Table instructions
`lor` | | FEAT_LOR --- Limited Ordering Regions extension
`mops` | | FEAT_MOPS --- memcpy and memset acceleration instructions
`mte` | | FEAT_MTE & FEAT_MTE2 --- Memory Tagging Extension
`neon` | | FEAT_FP & FEAT_AdvSIMD --- Floating Point and Advanced SIMD extension
`pan` | | FEAT_PAN --- Privileged Access-Never extension
`paca` | | FEAT_PAuth --- Pointer Authentication (address authentication)
`pacg` | | FEAT_PAuth --- Pointer Authentication (generic authentication)
`pmuv3` | | FEAT_PMUv3 --- Performance Monitors extension (v3)
`rand` | | FEAT_RNG --- Random Number Generator
`ras` | | FEAT_RAS & FEAT_RASv1p1 --- Reliability, Availability and Serviceability extension
`rcpc` | | FEAT_LRCPC --- Release consistent Processor Consistent
`rcpc2` | `rcpc` | FEAT_LRCPC2 --- RcPc with immediate offsets
`rcpc3` | `rcpc2` | FEAT_LRCPC3 --- RcPc instructions version 3
`rdm` | | FEAT_RDM --- Rounding Double Multiply accumulate
`sb` | | FEAT_SB --- Speculation Barrier
`sha2` | `neon` | FEAT_SHA1 & FEAT_SHA256 --- Advanced SIMD SHA instructions
`sha3` | `sha2` | FEAT_SHA512 & FEAT_SHA3 --- Advanced SIMD SHA instructions
`sm4` | `neon` | FEAT_SM3 & FEAT_SM4 --- Advanced SIMD SM3/4 instructions
`sme` | `bf16` | FEAT_SME --- Scalable Matrix Extension
`sme-i16i64` | `sme` | FEAT_SME_I16I64 --- 16-bit to 64-bit integer widening outer product instructions
`sme-f64f64` | `sme` | FEAT_SME_F64F64 --- Double-precision floating-point outer product instructions
`sme-fa64` | `sme`, `sve2` | FEAT_SME_FA64 --- Full A64 instruction set support in Streaming SVE mode
`sme2` | `sme` | FEAT_SME2 --- SME Version 2
`sme2p1` | `sme2` | FEAT_SME2p1 --- SME Version 2.1
`sme-f16f16` | `sme2` | FEAT_SME_F16F16 --- Non-widening half-precision FP16 to FP16 arithmetic for SME2
`sme-lutv2` | | FEAT_SME_LUTv2 --- LUTI4 instruction
`sme-f8f16` | `sme-f8f32` | FEAT_SME_F8F16 --- SME F8F16 instructions
`sme-f8f32` | `sme2`, `fp8` | FEAT_SME_F8F32 --- SME F8F32 instructions
`ssve-fp8fma` | `sme2`, `fp8` | FEAT_SSVE_FP8FMA --- SVE2 fp8 multiply-add instructions
`ssve-fp8dot4` | `ssve-fp8fma` | FEAT_SSVE_FP8DOT4 --- SVE2 fp8 4-way dot product instructions
`ssve-fp8dot2` | `ssve-fp8dot4` | FEAT_SSVE_FP8DOT2 --- SVE2 fp8 2-way dot product instructions
`spe` | | FEAT_SPE --- Statistical Profiling Extension
`ssbs` | | FEAT_SSBS & FEAT_SSBS2 --- Speculative Store Bypass Safe
`sve` | `fp16` | FEAT_SVE --- Scalable Vector Extension
`sve-b16b16` | `bf16` | FEAT_SVE_B16B16 --- Non-widening BFloat16 to BFloat16 arithmetic for SVE2 and SME2
`sve2` | `sve` | FEAT_SVE2 --- Scalable Vector Extension 2
`sve2p1` | `sve2` | FEAT_SVE2p1 --- Scalable Vector Extension 2.1
`sve2-aes` | `sve2`, `aes` | FEAT_SVE_AES & FEAT_SVE_PMULL128 --- SVE AES instructions
`sve2-sm4` | `sve2`, `sm4` | FEAT_SVE_SM4 --- SVE SM4 instructions
`sve2-sha3` | `sve2`, `sha3` | FEAT_SVE_SHA3 --- SVE SHA3 instructions
`sve2-bitperm` | `sve2` | FEAT_SVE_BitPerm --- SVE Bit Permute
`tme` | | FEAT_TME --- Transactional Memory Extension
`vh` | | FEAT_VHE --- Virtualization Host Extensions
`wfxt` | | FEAT_WFxT --- WFET and WFIT instructions

#### `riscv32` or `riscv64`

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