1 //===-- AArch64TargetParser - Parser for AArch64 features -------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements a target parser to recognise AArch64 hardware features 10 // such as FPU/CPU/ARCH and extension names. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TARGETPARSER_AARCH64TARGETPARSER_H 15 #define LLVM_TARGETPARSER_AARCH64TARGETPARSER_H 16 17 #include "llvm/ADT/ArrayRef.h" 18 #include "llvm/ADT/StringRef.h" 19 #include "llvm/Support/VersionTuple.h" 20 #include <array> 21 #include <vector> 22 23 namespace llvm { 24 25 class Triple; 26 27 namespace AArch64 { 28 enum CPUFeatures { 29 FEAT_RNG, 30 FEAT_FLAGM, 31 FEAT_FLAGM2, 32 FEAT_FP16FML, 33 FEAT_DOTPROD, 34 FEAT_SM4, 35 FEAT_RDM, 36 FEAT_LSE, 37 FEAT_FP, 38 FEAT_SIMD, 39 FEAT_CRC, 40 FEAT_SHA1, 41 FEAT_SHA2, 42 FEAT_SHA3, 43 FEAT_AES, 44 FEAT_PMULL, 45 FEAT_FP16, 46 FEAT_DIT, 47 FEAT_DPB, 48 FEAT_DPB2, 49 FEAT_JSCVT, 50 FEAT_FCMA, 51 FEAT_RCPC, 52 FEAT_RCPC2, 53 FEAT_FRINTTS, 54 FEAT_DGH, 55 FEAT_I8MM, 56 FEAT_BF16, 57 FEAT_EBF16, 58 FEAT_RPRES, 59 FEAT_SVE, 60 FEAT_SVE_BF16, 61 FEAT_SVE_EBF16, 62 FEAT_SVE_I8MM, 63 FEAT_SVE_F32MM, 64 FEAT_SVE_F64MM, 65 FEAT_SVE2, 66 FEAT_SVE_AES, 67 FEAT_SVE_PMULL128, 68 FEAT_SVE_BITPERM, 69 FEAT_SVE_SHA3, 70 FEAT_SVE_SM4, 71 FEAT_SME, 72 FEAT_MEMTAG, 73 FEAT_MEMTAG2, 74 FEAT_MEMTAG3, 75 FEAT_SB, 76 FEAT_PREDRES, 77 FEAT_SSBS, 78 FEAT_SSBS2, 79 FEAT_BTI, 80 FEAT_LS64, 81 FEAT_LS64_V, 82 FEAT_LS64_ACCDATA, 83 FEAT_WFXT, 84 FEAT_SME_F64, 85 FEAT_SME_I64, 86 FEAT_SME2, 87 FEAT_MAX 88 }; 89 90 // Arch extension modifiers for CPUs. These are labelled with their Arm ARM 91 // feature name (though the canonical reference for those is AArch64.td) 92 // clang-format off 93 enum ArchExtKind : uint64_t { 94 AEK_INVALID = 0, 95 AEK_NONE = 1, 96 AEK_CRC = 1 << 1, // FEAT_CRC32 97 AEK_CRYPTO = 1 << 2, 98 AEK_FP = 1 << 3, // FEAT_FP 99 AEK_SIMD = 1 << 4, // FEAT_AdvSIMD 100 AEK_FP16 = 1 << 5, // FEAT_FP16 101 AEK_PROFILE = 1 << 6, // FEAT_SPE 102 AEK_RAS = 1 << 7, // FEAT_RAS, FEAT_RASv1p1 103 AEK_LSE = 1 << 8, // FEAT_LSE 104 AEK_SVE = 1 << 9, // FEAT_SVE 105 AEK_DOTPROD = 1 << 10, // FEAT_DotProd 106 AEK_RCPC = 1 << 11, // FEAT_LRCPC 107 AEK_RDM = 1 << 12, // FEAT_RDM 108 AEK_SM4 = 1 << 13, // FEAT_SM4, FEAT_SM3 109 AEK_SHA3 = 1 << 14, // FEAT_SHA3, FEAT_SHA512 110 AEK_SHA2 = 1 << 15, // FEAT_SHA1, FEAT_SHA256 111 AEK_AES = 1 << 16, // FEAT_AES, FEAT_PMULL 112 AEK_FP16FML = 1 << 17, // FEAT_FHM 113 AEK_RAND = 1 << 18, // FEAT_RNG 114 AEK_MTE = 1 << 19, // FEAT_MTE, FEAT_MTE2 115 AEK_SSBS = 1 << 20, // FEAT_SSBS, FEAT_SSBS2 116 AEK_SB = 1 << 21, // FEAT_SB 117 AEK_PREDRES = 1 << 22, // FEAT_SPECRES 118 AEK_SVE2 = 1 << 23, // FEAT_SVE2 119 AEK_SVE2AES = 1 << 24, // FEAT_SVE_AES, FEAT_SVE_PMULL128 120 AEK_SVE2SM4 = 1 << 25, // FEAT_SVE_SM4 121 AEK_SVE2SHA3 = 1 << 26, // FEAT_SVE_SHA3 122 AEK_SVE2BITPERM = 1 << 27, // FEAT_SVE_BitPerm 123 AEK_TME = 1 << 28, // FEAT_TME 124 AEK_BF16 = 1 << 29, // FEAT_BF16 125 AEK_I8MM = 1 << 30, // FEAT_I8MM 126 AEK_F32MM = 1ULL << 31, // FEAT_F32MM 127 AEK_F64MM = 1ULL << 32, // FEAT_F64MM 128 AEK_LS64 = 1ULL << 33, // FEAT_LS64, FEAT_LS64_V, FEAT_LS64_ACCDATA 129 AEK_BRBE = 1ULL << 34, // FEAT_BRBE 130 AEK_PAUTH = 1ULL << 35, // FEAT_PAuth 131 AEK_FLAGM = 1ULL << 36, // FEAT_FlagM 132 AEK_SME = 1ULL << 37, // FEAT_SME 133 AEK_SMEF64F64 = 1ULL << 38, // FEAT_SME_F64F64 134 AEK_SMEI16I64 = 1ULL << 39, // FEAT_SME_I16I64 135 AEK_HBC = 1ULL << 40, // FEAT_HBC 136 AEK_MOPS = 1ULL << 41, // FEAT_MOPS 137 AEK_PERFMON = 1ULL << 42, // FEAT_PMUv3 138 AEK_SME2 = 1ULL << 43, // FEAT_SME2 139 AEK_SVE2p1 = 1ULL << 44, // FEAT_SVE2p1 140 AEK_SME2p1 = 1ULL << 45, // FEAT_SME2p1 141 AEK_B16B16 = 1ULL << 46, // FEAT_B16B16 142 AEK_SMEF16F16 = 1ULL << 47, // FEAT_SMEF16F16 143 AEK_CSSC = 1ULL << 48, // FEAT_CSSC 144 AEK_RCPC3 = 1ULL << 49, // FEAT_LRCPC3 145 AEK_THE = 1ULL << 50, // FEAT_THE 146 AEK_D128 = 1ULL << 51, // FEAT_D128 147 AEK_LSE128 = 1ULL << 52, // FEAT_LSE128 148 AEK_SPECRES2 = 1ULL << 53, // FEAT_SPECRES2 149 AEK_RASv2 = 1ULL << 54, // FEAT_RASv2 150 AEK_ITE = 1ULL << 55, // FEAT_ITE 151 }; 152 // clang-format on 153 154 // Represents an extension that can be enabled with -march=<arch>+<extension>. 155 // Typically these correspond to Arm Architecture extensions, unlike 156 // SubtargetFeature which may represent either an actual extension or some 157 // internal LLVM property. 158 struct ExtensionInfo { 159 StringRef Name; // Human readable name, e.g. "profile". 160 ArchExtKind ID; // Corresponding to the ArchExtKind, this extensions 161 // representation in the bitfield. 162 StringRef Feature; // -mattr enable string, e.g. "+spe" 163 StringRef NegFeature; // -mattr disable string, e.g. "-spe" 164 165 // FIXME These were added by D127812 FMV support and need documenting: 166 CPUFeatures CPUFeature; // Bitfield value set in __aarch64_cpu_features 167 StringRef DependentFeatures; 168 unsigned FmvPriority; 169 static constexpr unsigned MaxFMVPriority = 1000; 170 }; 171 172 // clang-format off 173 inline constexpr ExtensionInfo Extensions[] = { 174 {"aes", AArch64::AEK_AES, "+aes", "-aes", FEAT_AES, "+fp-armv8,+neon", 150}, 175 {"b16b16", AArch64::AEK_B16B16, "+b16b16", "-b16b16", FEAT_MAX, "", 0}, 176 {"bf16", AArch64::AEK_BF16, "+bf16", "-bf16", FEAT_BF16, "+bf16", 280}, 177 {"brbe", AArch64::AEK_BRBE, "+brbe", "-brbe", FEAT_MAX, "", 0}, 178 {"bti", AArch64::AEK_NONE, {}, {}, FEAT_BTI, "+bti", 510}, 179 {"crc", AArch64::AEK_CRC, "+crc", "-crc", FEAT_CRC, "+crc", 110}, 180 {"crypto", AArch64::AEK_CRYPTO, "+crypto", "-crypto", FEAT_MAX, "+aes,+sha2", 0}, 181 {"cssc", AArch64::AEK_CSSC, "+cssc", "-cssc", FEAT_MAX, "", 0}, 182 {"d128", AArch64::AEK_D128, "+d128", "-d128", FEAT_MAX, "", 0}, 183 {"dgh", AArch64::AEK_NONE, {}, {}, FEAT_DGH, "", 260}, 184 {"dit", AArch64::AEK_NONE, {}, {}, FEAT_DIT, "+dit", 180}, 185 {"dotprod", AArch64::AEK_DOTPROD, "+dotprod", "-dotprod", FEAT_DOTPROD, "+dotprod,+fp-armv8,+neon", 50}, 186 {"dpb", AArch64::AEK_NONE, {}, {}, FEAT_DPB, "+ccpp", 190}, 187 {"dpb2", AArch64::AEK_NONE, {}, {}, FEAT_DPB2, "+ccpp,+ccdp", 200}, 188 {"ebf16", AArch64::AEK_NONE, {}, {}, FEAT_EBF16, "+bf16", 290}, 189 {"f32mm", AArch64::AEK_F32MM, "+f32mm", "-f32mm", FEAT_SVE_F32MM, "+sve,+f32mm,+fullfp16,+fp-armv8,+neon", 350}, 190 {"f64mm", AArch64::AEK_F64MM, "+f64mm", "-f64mm", FEAT_SVE_F64MM, "+sve,+f64mm,+fullfp16,+fp-armv8,+neon", 360}, 191 {"fcma", AArch64::AEK_NONE, {}, {}, FEAT_FCMA, "+fp-armv8,+neon,+complxnum", 220}, 192 {"flagm", AArch64::AEK_FLAGM, "+flagm", "-flagm", FEAT_FLAGM, "+flagm", 20}, 193 {"flagm2", AArch64::AEK_NONE, {}, {}, FEAT_FLAGM2, "+flagm,+altnzcv", 30}, 194 {"fp", AArch64::AEK_FP, "+fp-armv8", "-fp-armv8", FEAT_FP, "+fp-armv8,+neon", 90}, 195 {"fp16", AArch64::AEK_FP16, "+fullfp16", "-fullfp16", FEAT_FP16, "+fullfp16,+fp-armv8,+neon", 170}, 196 {"fp16fml", AArch64::AEK_FP16FML, "+fp16fml", "-fp16fml", FEAT_FP16FML, "+fp16fml,+fullfp16,+fp-armv8,+neon", 40}, 197 {"frintts", AArch64::AEK_NONE, {}, {}, FEAT_FRINTTS, "+fptoint", 250}, 198 {"hbc", AArch64::AEK_HBC, "+hbc", "-hbc", FEAT_MAX, "", 0}, 199 {"i8mm", AArch64::AEK_I8MM, "+i8mm", "-i8mm", FEAT_I8MM, "+i8mm", 270}, 200 {"ite", AArch64::AEK_ITE, "+ite", "-ite", FEAT_MAX, "", 0}, 201 {"jscvt", AArch64::AEK_NONE, {}, {}, FEAT_JSCVT, "+fp-armv8,+neon,+jsconv", 210}, 202 {"ls64_accdata", AArch64::AEK_NONE, {}, {}, FEAT_LS64_ACCDATA, "+ls64", 540}, 203 {"ls64_v", AArch64::AEK_NONE, {}, {}, FEAT_LS64_V, "", 530}, 204 {"ls64", AArch64::AEK_LS64, "+ls64", "-ls64", FEAT_LS64, "", 520}, 205 {"lse", AArch64::AEK_LSE, "+lse", "-lse", FEAT_LSE, "+lse", 80}, 206 {"lse128", AArch64::AEK_LSE128, "+lse128", "-lse128", FEAT_MAX, "", 0}, 207 {"memtag", AArch64::AEK_MTE, "+mte", "-mte", FEAT_MEMTAG, "", 440}, 208 {"memtag2", AArch64::AEK_NONE, {}, {}, FEAT_MEMTAG2, "+mte", 450}, 209 {"memtag3", AArch64::AEK_NONE, {}, {}, FEAT_MEMTAG3, "+mte", 460}, 210 {"mops", AArch64::AEK_MOPS, "+mops", "-mops", FEAT_MAX, "", 0}, 211 {"pauth", AArch64::AEK_PAUTH, "+pauth", "-pauth", FEAT_MAX, "", 0}, 212 {"pmull", AArch64::AEK_NONE, {}, {}, FEAT_PMULL, "+aes,+fp-armv8,+neon", 160}, 213 {"pmuv3", AArch64::AEK_PERFMON, "+perfmon", "-perfmon", FEAT_MAX, "", 0}, 214 {"predres", AArch64::AEK_PREDRES, "+predres", "-predres", FEAT_PREDRES, "+predres", 480}, 215 {"predres2", AArch64::AEK_SPECRES2, "+specres2", "-specres2", FEAT_MAX, "", 0}, 216 {"profile", AArch64::AEK_PROFILE, "+spe", "-spe", FEAT_MAX, "", 0}, 217 {"ras", AArch64::AEK_RAS, "+ras", "-ras", FEAT_MAX, "", 0}, 218 {"rasv2", AArch64::AEK_RASv2, "+rasv2", "-rasv2", FEAT_MAX, "", 0}, 219 {"rcpc", AArch64::AEK_RCPC, "+rcpc", "-rcpc", FEAT_RCPC, "+rcpc", 230}, 220 {"rcpc2", AArch64::AEK_NONE, {}, {}, FEAT_RCPC2, "+rcpc", 240}, 221 {"rcpc3", AArch64::AEK_RCPC3, "+rcpc3", "-rcpc3", FEAT_MAX, "", 0}, 222 {"rdm", AArch64::AEK_RDM, "+rdm", "-rdm", FEAT_RDM, "+rdm,+fp-armv8,+neon", 70}, 223 {"rng", AArch64::AEK_RAND, "+rand", "-rand", FEAT_RNG, "+rand", 10}, 224 {"rpres", AArch64::AEK_NONE, {}, {}, FEAT_RPRES, "", 300}, 225 {"sb", AArch64::AEK_SB, "+sb", "-sb", FEAT_SB, "+sb", 470}, 226 {"sha1", AArch64::AEK_NONE, {}, {}, FEAT_SHA1, "+fp-armv8,+neon", 120}, 227 {"sha2", AArch64::AEK_SHA2, "+sha2", "-sha2", FEAT_SHA2, "+sha2,+fp-armv8,+neon", 130}, 228 {"sha3", AArch64::AEK_SHA3, "+sha3", "-sha3", FEAT_SHA3, "+sha3,+sha2,+fp-armv8,+neon", 140}, 229 {"simd", AArch64::AEK_SIMD, "+neon", "-neon", FEAT_SIMD, "+fp-armv8,+neon", 100}, 230 {"sm4", AArch64::AEK_SM4, "+sm4", "-sm4", FEAT_SM4, "+sm4,+fp-armv8,+neon", 60}, 231 {"sme-f16f16", AArch64::AEK_SMEF16F16, "+sme-f16f16", "-sme-f16f16", FEAT_MAX, "", 0}, 232 {"sme-f64f64", AArch64::AEK_SMEF64F64, "+sme-f64f64", "-sme-f64f64", FEAT_SME_F64, "+sme,+sme-f64f64,+bf16", 560}, 233 {"sme-i16i64", AArch64::AEK_SMEI16I64, "+sme-i16i64", "-sme-i16i64", FEAT_SME_I64, "+sme,+sme-i16i64,+bf16", 570}, 234 {"sme", AArch64::AEK_SME, "+sme", "-sme", FEAT_SME, "+sme,+bf16", 430}, 235 {"sme2", AArch64::AEK_SME2, "+sme2", "-sme2", FEAT_SME2, "+sme2,+sme,+bf16", 580}, 236 {"sme2p1", AArch64::AEK_SME2p1, "+sme2p1", "-sme2p1", FEAT_MAX, "", 0}, 237 {"ssbs", AArch64::AEK_SSBS, "+ssbs", "-ssbs", FEAT_SSBS, "", 490}, 238 {"ssbs2", AArch64::AEK_NONE, {}, {}, FEAT_SSBS2, "+ssbs", 500}, 239 {"sve-bf16", AArch64::AEK_NONE, {}, {}, FEAT_SVE_BF16, "+sve,+bf16,+fullfp16,+fp-armv8,+neon", 320}, 240 {"sve-ebf16", AArch64::AEK_NONE, {}, {}, FEAT_SVE_EBF16, "+sve,+bf16,+fullfp16,+fp-armv8,+neon", 330}, 241 {"sve-i8mm", AArch64::AEK_NONE, {}, {}, FEAT_SVE_I8MM, "+sve,+i8mm,+fullfp16,+fp-armv8,+neon", 340}, 242 {"sve", AArch64::AEK_SVE, "+sve", "-sve", FEAT_SVE, "+sve,+fullfp16,+fp-armv8,+neon", 310}, 243 {"sve2-aes", AArch64::AEK_SVE2AES, "+sve2-aes", "-sve2-aes", FEAT_SVE_AES, "+sve2,+sve,+sve2-aes,+fullfp16,+fp-armv8,+neon", 380}, 244 {"sve2-bitperm", AArch64::AEK_SVE2BITPERM, "+sve2-bitperm", "-sve2-bitperm", FEAT_SVE_BITPERM, "+sve2,+sve,+sve2-bitperm,+fullfp16,+fp-armv8,+neon", 400}, 245 {"sve2-pmull128", AArch64::AEK_NONE, {}, {}, FEAT_SVE_PMULL128, "+sve2,+sve,+sve2-aes,+fullfp16,+fp-armv8,+neon", 390}, 246 {"sve2-sha3", AArch64::AEK_SVE2SHA3, "+sve2-sha3", "-sve2-sha3", FEAT_SVE_SHA3, "+sve2,+sve,+sve2-sha3,+fullfp16,+fp-armv8,+neon", 410}, 247 {"sve2-sm4", AArch64::AEK_SVE2SM4, "+sve2-sm4", "-sve2-sm4", FEAT_SVE_SM4, "+sve2,+sve,+sve2-sm4,+fullfp16,+fp-armv8,+neon", 420}, 248 {"sve2", AArch64::AEK_SVE2, "+sve2", "-sve2", FEAT_SVE2, "+sve2,+sve,+fullfp16,+fp-armv8,+neon", 370}, 249 {"sve2p1", AArch64::AEK_SVE2p1, "+sve2p1", "-sve2p1", FEAT_MAX, "", 0}, 250 {"the", AArch64::AEK_THE, "+the", "-the", FEAT_MAX, "", 0}, 251 {"tme", AArch64::AEK_TME, "+tme", "-tme", FEAT_MAX, "", 0}, 252 {"wfxt", AArch64::AEK_NONE, {}, {}, FEAT_WFXT, "+wfxt", 550}, 253 // Special cases 254 {"none", AArch64::AEK_NONE, {}, {}, FEAT_MAX, "", ExtensionInfo::MaxFMVPriority}, 255 {"invalid", AArch64::AEK_INVALID, {}, {}, FEAT_MAX, "", 0}, 256 }; 257 // clang-format on 258 259 enum ArchProfile { AProfile = 'A', RProfile = 'R', InvalidProfile = '?' }; 260 261 // Information about a specific architecture, e.g. V8.1-A 262 struct ArchInfo { 263 VersionTuple Version; // Architecture version, major + minor. 264 ArchProfile Profile; // Architecuture profile 265 StringRef Name; // Human readable name, e.g. "armv8.1-a" 266 StringRef ArchFeature; // Command line feature flag, e.g. +v8a 267 uint64_t DefaultExts; // bitfield of default extensions ArchExtKind 268 269 bool operator==(const ArchInfo &Other) const { 270 return this->Name == Other.Name; 271 } 272 bool operator!=(const ArchInfo &Other) const { 273 return this->Name != Other.Name; 274 } 275 276 // Defines the following partial order, indicating when an architecture is 277 // a superset of another: 278 // 279 // v9.4a > v9.3a > v9.3a > v9.3a > v9a; 280 // v v v v v 281 // v8.9a > v8.8a > v8.7a > v8.6a > v8.5a > v8.4a > ... > v8a; 282 // 283 // v8r and INVALID have no relation to anything. This is used to 284 // determine which features to enable for a given architecture. See 285 // AArch64TargetInfo::setFeatureEnabled. 286 bool implies(const ArchInfo &Other) const { 287 if (this->Profile != Other.Profile) 288 return false; // ARMV8R and INVALID 289 if (this->Version.getMajor() == Other.Version.getMajor()) { 290 return this->Version > Other.Version; 291 } 292 if (this->Version.getMajor() == 9 && Other.Version.getMajor() == 8) { 293 return this->Version.getMinor().value() + 5 >= 294 Other.Version.getMinor().value(); 295 } 296 return false; 297 } 298 299 // Return ArchFeature without the leading "+". 300 StringRef getSubArch() const { return ArchFeature.substr(1); } 301 302 // Search for ArchInfo by SubArch name 303 static const ArchInfo &findBySubArch(StringRef SubArch); 304 }; 305 306 // clang-format off 307 inline constexpr ArchInfo INVALID = { VersionTuple{0, 0}, AProfile, "invalid", "+", (AArch64::AEK_NONE)}; 308 inline constexpr ArchInfo ARMV8A = { VersionTuple{8, 0}, AProfile, "armv8-a", "+v8a", (AArch64::AEK_FP | AArch64::AEK_SIMD), }; 309 inline constexpr ArchInfo ARMV8_1A = { VersionTuple{8, 1}, AProfile, "armv8.1-a", "+v8.1a", (ARMV8A.DefaultExts | AArch64::AEK_CRC | AArch64::AEK_LSE | AArch64::AEK_RDM)}; 310 inline constexpr ArchInfo ARMV8_2A = { VersionTuple{8, 2}, AProfile, "armv8.2-a", "+v8.2a", (ARMV8_1A.DefaultExts | AArch64::AEK_RAS)}; 311 inline constexpr ArchInfo ARMV8_3A = { VersionTuple{8, 3}, AProfile, "armv8.3-a", "+v8.3a", (ARMV8_2A.DefaultExts | AArch64::AEK_RCPC)}; 312 inline constexpr ArchInfo ARMV8_4A = { VersionTuple{8, 4}, AProfile, "armv8.4-a", "+v8.4a", (ARMV8_3A.DefaultExts | AArch64::AEK_DOTPROD)}; 313 inline constexpr ArchInfo ARMV8_5A = { VersionTuple{8, 5}, AProfile, "armv8.5-a", "+v8.5a", (ARMV8_4A.DefaultExts)}; 314 inline constexpr ArchInfo ARMV8_6A = { VersionTuple{8, 6}, AProfile, "armv8.6-a", "+v8.6a", (ARMV8_5A.DefaultExts | AArch64::AEK_BF16 | AArch64::AEK_I8MM)}; 315 inline constexpr ArchInfo ARMV8_7A = { VersionTuple{8, 7}, AProfile, "armv8.7-a", "+v8.7a", (ARMV8_6A.DefaultExts)}; 316 inline constexpr ArchInfo ARMV8_8A = { VersionTuple{8, 8}, AProfile, "armv8.8-a", "+v8.8a", (ARMV8_7A.DefaultExts | AArch64::AEK_MOPS | AArch64::AEK_HBC)}; 317 inline constexpr ArchInfo ARMV8_9A = { VersionTuple{8, 9}, AProfile, "armv8.9-a", "+v8.9a", (ARMV8_8A.DefaultExts | AArch64::AEK_SPECRES2 | AArch64::AEK_CSSC | AArch64::AEK_RASv2)}; 318 inline constexpr ArchInfo ARMV9A = { VersionTuple{9, 0}, AProfile, "armv9-a", "+v9a", (ARMV8_5A.DefaultExts | AArch64::AEK_FP16 | AArch64::AEK_SVE | AArch64::AEK_SVE2)}; 319 inline constexpr ArchInfo ARMV9_1A = { VersionTuple{9, 1}, AProfile, "armv9.1-a", "+v9.1a", (ARMV9A.DefaultExts | AArch64::AEK_BF16 | AArch64::AEK_I8MM)}; 320 inline constexpr ArchInfo ARMV9_2A = { VersionTuple{9, 2}, AProfile, "armv9.2-a", "+v9.2a", (ARMV9_1A.DefaultExts)}; 321 inline constexpr ArchInfo ARMV9_3A = { VersionTuple{9, 3}, AProfile, "armv9.3-a", "+v9.3a", (ARMV9_2A.DefaultExts | AArch64::AEK_MOPS | AArch64::AEK_HBC)}; 322 inline constexpr ArchInfo ARMV9_4A = { VersionTuple{9, 4}, AProfile, "armv9.4-a", "+v9.4a", (ARMV9_3A.DefaultExts | AArch64::AEK_SPECRES2 | AArch64::AEK_CSSC | AArch64::AEK_RASv2)}; 323 // For v8-R, we do not enable crypto and align with GCC that enables a more minimal set of optional architecture extensions. 324 inline constexpr ArchInfo ARMV8R = { VersionTuple{8, 0}, RProfile, "armv8-r", "+v8r", ((ARMV8_5A.DefaultExts ^ AArch64::AEK_LSE) | AArch64::AEK_SSBS | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | AArch64::AEK_SB), }; 325 // clang-format on 326 327 // The set of all architectures 328 static constexpr std::array<const ArchInfo *, 17> ArchInfos = { 329 &INVALID, &ARMV8A, &ARMV8_1A, &ARMV8_2A, &ARMV8_3A, &ARMV8_4A, 330 &ARMV8_5A, &ARMV8_6A, &ARMV8_7A, &ARMV8_8A, &ARMV8_9A, &ARMV9A, 331 &ARMV9_1A, &ARMV9_2A, &ARMV9_3A, &ARMV9_4A, &ARMV8R, 332 }; 333 334 // Details of a specific CPU. 335 struct CpuInfo { 336 StringRef Name; // Name, as written for -mcpu. 337 const ArchInfo &Arch; 338 uint64_t DefaultExtensions; // Default extensions for this CPU. These will be 339 // ORd with the architecture defaults. 340 }; 341 342 inline constexpr CpuInfo CpuInfos[] = { 343 {"cortex-a34", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 344 {"cortex-a35", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 345 {"cortex-a53", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 346 {"cortex-a55", ARMV8_2A, 347 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 348 AArch64::AEK_RCPC)}, 349 {"cortex-a510", ARMV9A, 350 (AArch64::AEK_BF16 | AArch64::AEK_I8MM | AArch64::AEK_SB | 351 AArch64::AEK_PAUTH | AArch64::AEK_MTE | AArch64::AEK_SSBS | 352 AArch64::AEK_SVE | AArch64::AEK_SVE2 | AArch64::AEK_SVE2BITPERM | 353 AArch64::AEK_FP16FML)}, 354 {"cortex-a57", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 355 {"cortex-a65", ARMV8_2A, 356 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16 | 357 AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 358 {"cortex-a65ae", ARMV8_2A, 359 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16 | 360 AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 361 {"cortex-a72", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 362 {"cortex-a73", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 363 {"cortex-a75", ARMV8_2A, 364 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 365 AArch64::AEK_RCPC)}, 366 {"cortex-a76", ARMV8_2A, 367 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 368 AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 369 {"cortex-a76ae", ARMV8_2A, 370 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 371 AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 372 {"cortex-a77", ARMV8_2A, 373 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_RCPC | 374 AArch64::AEK_DOTPROD | AArch64::AEK_SSBS)}, 375 {"cortex-a78", ARMV8_2A, 376 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 377 AArch64::AEK_RCPC | AArch64::AEK_SSBS | AArch64::AEK_PROFILE)}, 378 {"cortex-a78c", ARMV8_2A, 379 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 380 AArch64::AEK_RCPC | AArch64::AEK_SSBS | AArch64::AEK_PROFILE | 381 AArch64::AEK_FLAGM | AArch64::AEK_PAUTH | AArch64::AEK_FP16FML)}, 382 {"cortex-a710", ARMV9A, 383 (AArch64::AEK_MTE | AArch64::AEK_PAUTH | AArch64::AEK_FLAGM | 384 AArch64::AEK_SB | AArch64::AEK_I8MM | AArch64::AEK_FP16FML | 385 AArch64::AEK_SVE | AArch64::AEK_SVE2 | AArch64::AEK_SVE2BITPERM | 386 AArch64::AEK_BF16)}, 387 {"cortex-a715", ARMV9A, 388 (AArch64::AEK_SB | AArch64::AEK_SSBS | AArch64::AEK_MTE | 389 AArch64::AEK_FP16 | AArch64::AEK_FP16FML | AArch64::AEK_PAUTH | 390 AArch64::AEK_I8MM | AArch64::AEK_PREDRES | AArch64::AEK_PERFMON | 391 AArch64::AEK_PROFILE | AArch64::AEK_SVE | AArch64::AEK_SVE2BITPERM | 392 AArch64::AEK_BF16 | AArch64::AEK_FLAGM)}, 393 {"cortex-r82", ARMV8R, (AArch64::AEK_LSE)}, 394 {"cortex-x1", ARMV8_2A, 395 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 396 AArch64::AEK_RCPC | AArch64::AEK_SSBS | AArch64::AEK_PROFILE)}, 397 {"cortex-x1c", ARMV8_2A, 398 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | 399 AArch64::AEK_RCPC | AArch64::AEK_SSBS | AArch64::AEK_PAUTH | 400 AArch64::AEK_PROFILE)}, 401 {"cortex-x2", ARMV9A, 402 (AArch64::AEK_MTE | AArch64::AEK_BF16 | AArch64::AEK_I8MM | 403 AArch64::AEK_PAUTH | AArch64::AEK_SSBS | AArch64::AEK_SB | 404 AArch64::AEK_SVE | AArch64::AEK_SVE2 | AArch64::AEK_SVE2BITPERM | 405 AArch64::AEK_FP16FML)}, 406 {"cortex-x3", ARMV9A, 407 (AArch64::AEK_SVE | AArch64::AEK_PERFMON | AArch64::AEK_PROFILE | 408 AArch64::AEK_BF16 | AArch64::AEK_I8MM | AArch64::AEK_MTE | 409 AArch64::AEK_SVE2BITPERM | AArch64::AEK_SB | AArch64::AEK_PAUTH | 410 AArch64::AEK_FP16 | AArch64::AEK_FP16FML | AArch64::AEK_PREDRES | 411 AArch64::AEK_FLAGM | AArch64::AEK_SSBS)}, 412 {"neoverse-e1", ARMV8_2A, 413 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16 | 414 AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 415 {"neoverse-n1", ARMV8_2A, 416 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16 | 417 AArch64::AEK_PROFILE | AArch64::AEK_RCPC | AArch64::AEK_SSBS)}, 418 {"neoverse-n2", ARMV8_5A, 419 (AArch64::AEK_CRYPTO | AArch64::AEK_BF16 | AArch64::AEK_DOTPROD | 420 AArch64::AEK_FP16 | AArch64::AEK_I8MM | AArch64::AEK_MTE | 421 AArch64::AEK_SB | AArch64::AEK_SSBS | AArch64::AEK_SVE | 422 AArch64::AEK_SVE2 | AArch64::AEK_SVE2BITPERM)}, 423 {"neoverse-512tvb", ARMV8_4A, 424 (AArch64::AEK_CRYPTO | AArch64::AEK_SVE | AArch64::AEK_SSBS | 425 AArch64::AEK_FP16 | AArch64::AEK_BF16 | AArch64::AEK_DOTPROD | 426 AArch64::AEK_PROFILE | AArch64::AEK_RAND | AArch64::AEK_FP16FML | 427 AArch64::AEK_I8MM)}, 428 {"neoverse-v1", ARMV8_4A, 429 (AArch64::AEK_CRYPTO | AArch64::AEK_SVE | AArch64::AEK_SSBS | 430 AArch64::AEK_FP16 | AArch64::AEK_BF16 | AArch64::AEK_DOTPROD | 431 AArch64::AEK_PROFILE | AArch64::AEK_RAND | AArch64::AEK_FP16FML | 432 AArch64::AEK_I8MM)}, 433 {"neoverse-v2", ARMV9A, 434 (AArch64::AEK_SVE | AArch64::AEK_SVE2 | AArch64::AEK_SSBS | 435 AArch64::AEK_FP16 | AArch64::AEK_BF16 | AArch64::AEK_RAND | 436 AArch64::AEK_DOTPROD | AArch64::AEK_PROFILE | AArch64::AEK_SVE2BITPERM | 437 AArch64::AEK_FP16FML | AArch64::AEK_I8MM | AArch64::AEK_MTE)}, 438 {"cyclone", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_NONE)}, 439 {"apple-a7", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_NONE)}, 440 {"apple-a8", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_NONE)}, 441 {"apple-a9", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_NONE)}, 442 {"apple-a10", ARMV8A, 443 (AArch64::AEK_CRYPTO | AArch64::AEK_CRC | AArch64::AEK_RDM)}, 444 {"apple-a11", ARMV8_2A, (AArch64::AEK_CRYPTO | AArch64::AEK_FP16)}, 445 {"apple-a12", ARMV8_3A, (AArch64::AEK_CRYPTO | AArch64::AEK_FP16)}, 446 {"apple-a13", ARMV8_4A, 447 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 448 AArch64::AEK_SHA3)}, 449 {"apple-a14", ARMV8_5A, 450 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 451 AArch64::AEK_SHA3)}, 452 {"apple-a15", ARMV8_5A, 453 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 454 AArch64::AEK_SHA3 | AArch64::AEK_BF16 | AArch64::AEK_I8MM)}, 455 {"apple-a16", ARMV8_5A, 456 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 457 AArch64::AEK_SHA3 | AArch64::AEK_BF16 | AArch64::AEK_I8MM)}, 458 {"apple-m1", ARMV8_5A, 459 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 460 AArch64::AEK_SHA3)}, 461 {"apple-m2", ARMV8_5A, 462 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_FP16FML | 463 AArch64::AEK_SHA3 | AArch64::AEK_BF16 | AArch64::AEK_I8MM)}, 464 {"apple-s4", ARMV8_3A, (AArch64::AEK_CRYPTO | AArch64::AEK_FP16)}, 465 {"apple-s5", ARMV8_3A, (AArch64::AEK_CRYPTO | AArch64::AEK_FP16)}, 466 {"exynos-m3", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 467 {"exynos-m4", ARMV8_2A, 468 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16)}, 469 {"exynos-m5", ARMV8_2A, 470 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16)}, 471 {"falkor", ARMV8A, 472 (AArch64::AEK_CRYPTO | AArch64::AEK_CRC | AArch64::AEK_RDM)}, 473 {"saphira", ARMV8_3A, (AArch64::AEK_CRYPTO | AArch64::AEK_PROFILE)}, 474 {"kryo", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 475 {"thunderx2t99", ARMV8_1A, (AArch64::AEK_CRYPTO)}, 476 {"thunderx3t110", ARMV8_3A, (AArch64::AEK_CRYPTO)}, 477 {"thunderx", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 478 {"thunderxt88", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 479 {"thunderxt81", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 480 {"thunderxt83", ARMV8A, (AArch64::AEK_CRYPTO | AArch64::AEK_CRC)}, 481 {"tsv110", ARMV8_2A, 482 (AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD | AArch64::AEK_FP16 | 483 AArch64::AEK_FP16FML | AArch64::AEK_PROFILE)}, 484 {"a64fx", ARMV8_2A, 485 (AArch64::AEK_CRYPTO | AArch64::AEK_FP16 | AArch64::AEK_SVE)}, 486 {"carmel", ARMV8_2A, (AArch64::AEK_CRYPTO | AArch64::AEK_FP16)}, 487 {"ampere1", ARMV8_6A, 488 (AArch64::AEK_AES | AArch64::AEK_SHA2 | AArch64::AEK_SHA3 | 489 AArch64::AEK_FP16 | AArch64::AEK_SB | AArch64::AEK_SSBS | 490 AArch64::AEK_RAND)}, 491 {"ampere1a", ARMV8_6A, 492 (AArch64::AEK_FP16 | AArch64::AEK_RAND | AArch64::AEK_SM4 | 493 AArch64::AEK_SHA3 | AArch64::AEK_SHA2 | AArch64::AEK_AES | 494 AArch64::AEK_MTE | AArch64::AEK_SB | AArch64::AEK_SSBS)}, 495 // Invalid CPU 496 {"invalid", INVALID, (AArch64::AEK_INVALID)}, 497 }; 498 499 // An alias for a CPU. 500 struct CpuAlias { 501 StringRef Alias; 502 StringRef Name; 503 }; 504 505 inline constexpr CpuAlias CpuAliases[] = {{"grace", "neoverse-v2"}}; 506 507 bool getExtensionFeatures(uint64_t Extensions, 508 std::vector<StringRef> &Features); 509 510 StringRef getArchExtFeature(StringRef ArchExt); 511 StringRef resolveCPUAlias(StringRef CPU); 512 513 // Information by Name 514 uint64_t getDefaultExtensions(StringRef CPU, const ArchInfo &AI); 515 void getFeatureOption(StringRef Name, std::string &Feature); 516 const ArchInfo &getArchForCpu(StringRef CPU); 517 518 // Parser 519 const ArchInfo &parseArch(StringRef Arch); 520 ArchExtKind parseArchExt(StringRef ArchExt); 521 // Given the name of a CPU or alias, return the correponding CpuInfo. 522 const CpuInfo &parseCpu(StringRef Name); 523 // Used by target parser tests 524 void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values); 525 526 bool isX18ReservedByDefault(const Triple &TT); 527 uint64_t getCpuSupportsMask(ArrayRef<StringRef> FeatureStrs); 528 529 } // namespace AArch64 530 } // namespace llvm 531 532 #endif 533