1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_WASM_OPCODES_H_ 6 #define V8_WASM_OPCODES_H_ 7 8 #include "src/globals.h" 9 #include "src/machine-type.h" 10 #include "src/signature.h" 11 12 namespace v8 { 13 namespace internal { 14 namespace wasm { 15 16 // Binary encoding of local types. 17 enum LocalTypeCode { 18 kLocalVoid = 0x40, 19 kLocalI32 = 0x7f, 20 kLocalI64 = 0x7e, 21 kLocalF32 = 0x7d, 22 kLocalF64 = 0x7c, 23 kLocalS128 = 0x7b 24 }; 25 26 // Type code for multi-value block types. 27 static const uint8_t kMultivalBlock = 0x41; 28 29 // We reuse the internal machine type to represent WebAssembly AST types. 30 // A typedef improves readability without adding a whole new type system. 31 typedef MachineRepresentation LocalType; 32 const LocalType kAstStmt = MachineRepresentation::kNone; 33 const LocalType kAstI32 = MachineRepresentation::kWord32; 34 const LocalType kAstI64 = MachineRepresentation::kWord64; 35 const LocalType kAstF32 = MachineRepresentation::kFloat32; 36 const LocalType kAstF64 = MachineRepresentation::kFloat64; 37 const LocalType kAstS128 = MachineRepresentation::kSimd128; 38 // We use kTagged here because kNone is already used by kAstStmt. 39 const LocalType kAstEnd = MachineRepresentation::kTagged; 40 41 typedef Signature<LocalType> FunctionSig; 42 std::ostream& operator<<(std::ostream& os, const FunctionSig& function); 43 44 typedef Vector<const char> WasmName; 45 46 typedef int WasmCodePosition; 47 const WasmCodePosition kNoCodePosition = -1; 48 49 // Control expressions and blocks. 50 #define FOREACH_CONTROL_OPCODE(V) \ 51 V(Unreachable, 0x00, _) \ 52 V(Nop, 0x01, _) \ 53 V(Block, 0x02, _) \ 54 V(Loop, 0x03, _) \ 55 V(If, 0x004, _) \ 56 V(Else, 0x05, _) \ 57 V(Try, 0x06, _ /* eh_prototype */) \ 58 V(Catch, 0x07, _ /* eh_prototype */) \ 59 V(Throw, 0x08, _ /* eh_prototype */) \ 60 V(End, 0x0b, _) \ 61 V(Br, 0x0c, _) \ 62 V(BrIf, 0x0d, _) \ 63 V(BrTable, 0x0e, _) \ 64 V(Return, 0x0f, _) 65 66 // Constants, locals, globals, and calls. 67 #define FOREACH_MISC_OPCODE(V) \ 68 V(CallFunction, 0x10, _) \ 69 V(CallIndirect, 0x11, _) \ 70 V(Drop, 0x1a, _) \ 71 V(Select, 0x1b, _) \ 72 V(GetLocal, 0x20, _) \ 73 V(SetLocal, 0x21, _) \ 74 V(TeeLocal, 0x22, _) \ 75 V(GetGlobal, 0x23, _) \ 76 V(SetGlobal, 0x24, _) \ 77 V(I32Const, 0x41, _) \ 78 V(I64Const, 0x42, _) \ 79 V(F32Const, 0x43, _) \ 80 V(F64Const, 0x44, _) \ 81 V(I8Const, 0xcb, _ /* TODO(titzer): V8 specific, remove */) 82 83 // Load memory expressions. 84 #define FOREACH_LOAD_MEM_OPCODE(V) \ 85 V(I32LoadMem, 0x28, i_i) \ 86 V(I64LoadMem, 0x29, l_i) \ 87 V(F32LoadMem, 0x2a, f_i) \ 88 V(F64LoadMem, 0x2b, d_i) \ 89 V(I32LoadMem8S, 0x2c, i_i) \ 90 V(I32LoadMem8U, 0x2d, i_i) \ 91 V(I32LoadMem16S, 0x2e, i_i) \ 92 V(I32LoadMem16U, 0x2f, i_i) \ 93 V(I64LoadMem8S, 0x30, l_i) \ 94 V(I64LoadMem8U, 0x31, l_i) \ 95 V(I64LoadMem16S, 0x32, l_i) \ 96 V(I64LoadMem16U, 0x33, l_i) \ 97 V(I64LoadMem32S, 0x34, l_i) \ 98 V(I64LoadMem32U, 0x35, l_i) 99 100 // Store memory expressions. 101 #define FOREACH_STORE_MEM_OPCODE(V) \ 102 V(I32StoreMem, 0x36, i_ii) \ 103 V(I64StoreMem, 0x37, l_il) \ 104 V(F32StoreMem, 0x38, f_if) \ 105 V(F64StoreMem, 0x39, d_id) \ 106 V(I32StoreMem8, 0x3a, i_ii) \ 107 V(I32StoreMem16, 0x3b, i_ii) \ 108 V(I64StoreMem8, 0x3c, l_il) \ 109 V(I64StoreMem16, 0x3d, l_il) \ 110 V(I64StoreMem32, 0x3e, l_il) 111 112 // Miscellaneous memory expressions 113 #define FOREACH_MISC_MEM_OPCODE(V) \ 114 V(MemorySize, 0x3f, i_v) \ 115 V(GrowMemory, 0x40, i_i) 116 117 // Expressions with signatures. 118 #define FOREACH_SIMPLE_OPCODE(V) \ 119 V(I32Eqz, 0x45, i_i) \ 120 V(I32Eq, 0x46, i_ii) \ 121 V(I32Ne, 0x47, i_ii) \ 122 V(I32LtS, 0x48, i_ii) \ 123 V(I32LtU, 0x49, i_ii) \ 124 V(I32GtS, 0x4a, i_ii) \ 125 V(I32GtU, 0x4b, i_ii) \ 126 V(I32LeS, 0x4c, i_ii) \ 127 V(I32LeU, 0x4d, i_ii) \ 128 V(I32GeS, 0x4e, i_ii) \ 129 V(I32GeU, 0x4f, i_ii) \ 130 V(I64Eqz, 0x50, i_l) \ 131 V(I64Eq, 0x51, i_ll) \ 132 V(I64Ne, 0x52, i_ll) \ 133 V(I64LtS, 0x53, i_ll) \ 134 V(I64LtU, 0x54, i_ll) \ 135 V(I64GtS, 0x55, i_ll) \ 136 V(I64GtU, 0x56, i_ll) \ 137 V(I64LeS, 0x57, i_ll) \ 138 V(I64LeU, 0x58, i_ll) \ 139 V(I64GeS, 0x59, i_ll) \ 140 V(I64GeU, 0x5a, i_ll) \ 141 V(F32Eq, 0x5b, i_ff) \ 142 V(F32Ne, 0x5c, i_ff) \ 143 V(F32Lt, 0x5d, i_ff) \ 144 V(F32Gt, 0x5e, i_ff) \ 145 V(F32Le, 0x5f, i_ff) \ 146 V(F32Ge, 0x60, i_ff) \ 147 V(F64Eq, 0x61, i_dd) \ 148 V(F64Ne, 0x62, i_dd) \ 149 V(F64Lt, 0x63, i_dd) \ 150 V(F64Gt, 0x64, i_dd) \ 151 V(F64Le, 0x65, i_dd) \ 152 V(F64Ge, 0x66, i_dd) \ 153 V(I32Clz, 0x67, i_i) \ 154 V(I32Ctz, 0x68, i_i) \ 155 V(I32Popcnt, 0x69, i_i) \ 156 V(I32Add, 0x6a, i_ii) \ 157 V(I32Sub, 0x6b, i_ii) \ 158 V(I32Mul, 0x6c, i_ii) \ 159 V(I32DivS, 0x6d, i_ii) \ 160 V(I32DivU, 0x6e, i_ii) \ 161 V(I32RemS, 0x6f, i_ii) \ 162 V(I32RemU, 0x70, i_ii) \ 163 V(I32And, 0x71, i_ii) \ 164 V(I32Ior, 0x72, i_ii) \ 165 V(I32Xor, 0x73, i_ii) \ 166 V(I32Shl, 0x74, i_ii) \ 167 V(I32ShrS, 0x75, i_ii) \ 168 V(I32ShrU, 0x76, i_ii) \ 169 V(I32Rol, 0x77, i_ii) \ 170 V(I32Ror, 0x78, i_ii) \ 171 V(I64Clz, 0x79, l_l) \ 172 V(I64Ctz, 0x7a, l_l) \ 173 V(I64Popcnt, 0x7b, l_l) \ 174 V(I64Add, 0x7c, l_ll) \ 175 V(I64Sub, 0x7d, l_ll) \ 176 V(I64Mul, 0x7e, l_ll) \ 177 V(I64DivS, 0x7f, l_ll) \ 178 V(I64DivU, 0x80, l_ll) \ 179 V(I64RemS, 0x81, l_ll) \ 180 V(I64RemU, 0x82, l_ll) \ 181 V(I64And, 0x83, l_ll) \ 182 V(I64Ior, 0x84, l_ll) \ 183 V(I64Xor, 0x85, l_ll) \ 184 V(I64Shl, 0x86, l_ll) \ 185 V(I64ShrS, 0x87, l_ll) \ 186 V(I64ShrU, 0x88, l_ll) \ 187 V(I64Rol, 0x89, l_ll) \ 188 V(I64Ror, 0x8a, l_ll) \ 189 V(F32Abs, 0x8b, f_f) \ 190 V(F32Neg, 0x8c, f_f) \ 191 V(F32Ceil, 0x8d, f_f) \ 192 V(F32Floor, 0x8e, f_f) \ 193 V(F32Trunc, 0x8f, f_f) \ 194 V(F32NearestInt, 0x90, f_f) \ 195 V(F32Sqrt, 0x91, f_f) \ 196 V(F32Add, 0x92, f_ff) \ 197 V(F32Sub, 0x93, f_ff) \ 198 V(F32Mul, 0x94, f_ff) \ 199 V(F32Div, 0x95, f_ff) \ 200 V(F32Min, 0x96, f_ff) \ 201 V(F32Max, 0x97, f_ff) \ 202 V(F32CopySign, 0x98, f_ff) \ 203 V(F64Abs, 0x99, d_d) \ 204 V(F64Neg, 0x9a, d_d) \ 205 V(F64Ceil, 0x9b, d_d) \ 206 V(F64Floor, 0x9c, d_d) \ 207 V(F64Trunc, 0x9d, d_d) \ 208 V(F64NearestInt, 0x9e, d_d) \ 209 V(F64Sqrt, 0x9f, d_d) \ 210 V(F64Add, 0xa0, d_dd) \ 211 V(F64Sub, 0xa1, d_dd) \ 212 V(F64Mul, 0xa2, d_dd) \ 213 V(F64Div, 0xa3, d_dd) \ 214 V(F64Min, 0xa4, d_dd) \ 215 V(F64Max, 0xa5, d_dd) \ 216 V(F64CopySign, 0xa6, d_dd) \ 217 V(I32ConvertI64, 0xa7, i_l) \ 218 V(I32SConvertF32, 0xa8, i_f) \ 219 V(I32UConvertF32, 0xa9, i_f) \ 220 V(I32SConvertF64, 0xaa, i_d) \ 221 V(I32UConvertF64, 0xab, i_d) \ 222 V(I64SConvertI32, 0xac, l_i) \ 223 V(I64UConvertI32, 0xad, l_i) \ 224 V(I64SConvertF32, 0xae, l_f) \ 225 V(I64UConvertF32, 0xaf, l_f) \ 226 V(I64SConvertF64, 0xb0, l_d) \ 227 V(I64UConvertF64, 0xb1, l_d) \ 228 V(F32SConvertI32, 0xb2, f_i) \ 229 V(F32UConvertI32, 0xb3, f_i) \ 230 V(F32SConvertI64, 0xb4, f_l) \ 231 V(F32UConvertI64, 0xb5, f_l) \ 232 V(F32ConvertF64, 0xb6, f_d) \ 233 V(F64SConvertI32, 0xb7, d_i) \ 234 V(F64UConvertI32, 0xb8, d_i) \ 235 V(F64SConvertI64, 0xb9, d_l) \ 236 V(F64UConvertI64, 0xba, d_l) \ 237 V(F64ConvertF32, 0xbb, d_f) \ 238 V(I32ReinterpretF32, 0xbc, i_f) \ 239 V(I64ReinterpretF64, 0xbd, l_d) \ 240 V(F32ReinterpretI32, 0xbe, f_i) \ 241 V(F64ReinterpretI64, 0xbf, d_l) 242 243 // For compatibility with Asm.js. 244 #define FOREACH_ASMJS_COMPAT_OPCODE(V) \ 245 V(F64Acos, 0xc0, d_d) \ 246 V(F64Asin, 0xc1, d_d) \ 247 V(F64Atan, 0xc2, d_d) \ 248 V(F64Cos, 0xc3, d_d) \ 249 V(F64Sin, 0xc4, d_d) \ 250 V(F64Tan, 0xc5, d_d) \ 251 V(F64Exp, 0xc6, d_d) \ 252 V(F64Log, 0xc7, d_d) \ 253 V(F64Atan2, 0xc8, d_dd) \ 254 V(F64Pow, 0xc9, d_dd) \ 255 V(F64Mod, 0xca, d_dd) \ 256 V(I32AsmjsDivS, 0xd0, i_ii) \ 257 V(I32AsmjsDivU, 0xd1, i_ii) \ 258 V(I32AsmjsRemS, 0xd2, i_ii) \ 259 V(I32AsmjsRemU, 0xd3, i_ii) \ 260 V(I32AsmjsLoadMem8S, 0xd4, i_i) \ 261 V(I32AsmjsLoadMem8U, 0xd5, i_i) \ 262 V(I32AsmjsLoadMem16S, 0xd6, i_i) \ 263 V(I32AsmjsLoadMem16U, 0xd7, i_i) \ 264 V(I32AsmjsLoadMem, 0xd8, i_i) \ 265 V(F32AsmjsLoadMem, 0xd9, f_i) \ 266 V(F64AsmjsLoadMem, 0xda, d_i) \ 267 V(I32AsmjsStoreMem8, 0xdb, i_ii) \ 268 V(I32AsmjsStoreMem16, 0xdc, i_ii) \ 269 V(I32AsmjsStoreMem, 0xdd, i_ii) \ 270 V(F32AsmjsStoreMem, 0xde, f_if) \ 271 V(F64AsmjsStoreMem, 0xdf, d_id) \ 272 V(I32AsmjsSConvertF32, 0xe0, i_f) \ 273 V(I32AsmjsUConvertF32, 0xe1, i_f) \ 274 V(I32AsmjsSConvertF64, 0xe2, i_d) \ 275 V(I32AsmjsUConvertF64, 0xe3, i_d) 276 277 #define FOREACH_SIMD_0_OPERAND_OPCODE(V) \ 278 V(F32x4Splat, 0xe500, s_f) \ 279 V(F32x4ReplaceLane, 0xe502, s_sif) \ 280 V(F32x4Abs, 0xe503, s_s) \ 281 V(F32x4Neg, 0xe504, s_s) \ 282 V(F32x4Sqrt, 0xe505, s_s) \ 283 V(F32x4RecipApprox, 0xe506, s_s) \ 284 V(F32x4SqrtApprox, 0xe507, s_s) \ 285 V(F32x4Add, 0xe508, s_ss) \ 286 V(F32x4Sub, 0xe509, s_ss) \ 287 V(F32x4Mul, 0xe50a, s_ss) \ 288 V(F32x4Div, 0xe50b, s_ss) \ 289 V(F32x4Min, 0xe50c, s_ss) \ 290 V(F32x4Max, 0xe50d, s_ss) \ 291 V(F32x4MinNum, 0xe50e, s_ss) \ 292 V(F32x4MaxNum, 0xe50f, s_ss) \ 293 V(F32x4Eq, 0xe510, s_ss) \ 294 V(F32x4Ne, 0xe511, s_ss) \ 295 V(F32x4Lt, 0xe512, s_ss) \ 296 V(F32x4Le, 0xe513, s_ss) \ 297 V(F32x4Gt, 0xe514, s_ss) \ 298 V(F32x4Ge, 0xe515, s_ss) \ 299 V(F32x4Select, 0xe516, s_sss) \ 300 V(F32x4Swizzle, 0xe517, s_s) \ 301 V(F32x4Shuffle, 0xe518, s_ss) \ 302 V(F32x4FromInt32x4, 0xe519, s_s) \ 303 V(F32x4FromUint32x4, 0xe51a, s_s) \ 304 V(I32x4Splat, 0xe51b, s_i) \ 305 V(I32x4ReplaceLane, 0xe51d, s_sii) \ 306 V(I32x4Neg, 0xe51e, s_s) \ 307 V(I32x4Add, 0xe51f, s_ss) \ 308 V(I32x4Sub, 0xe520, s_ss) \ 309 V(I32x4Mul, 0xe521, s_ss) \ 310 V(I32x4Min_s, 0xe522, s_ss) \ 311 V(I32x4Max_s, 0xe523, s_ss) \ 312 V(I32x4Shl, 0xe524, s_si) \ 313 V(I32x4Shr_s, 0xe525, s_si) \ 314 V(I32x4Eq, 0xe526, s_ss) \ 315 V(I32x4Ne, 0xe527, s_ss) \ 316 V(I32x4Lt_s, 0xe528, s_ss) \ 317 V(I32x4Le_s, 0xe529, s_ss) \ 318 V(I32x4Gt_s, 0xe52a, s_ss) \ 319 V(I32x4Ge_s, 0xe52b, s_ss) \ 320 V(I32x4Select, 0xe52c, s_sss) \ 321 V(I32x4Swizzle, 0xe52d, s_s) \ 322 V(I32x4Shuffle, 0xe52e, s_ss) \ 323 V(I32x4FromFloat32x4, 0xe52f, s_s) \ 324 V(I32x4Min_u, 0xe530, s_ss) \ 325 V(I32x4Max_u, 0xe531, s_ss) \ 326 V(I32x4Shr_u, 0xe532, s_ss) \ 327 V(I32x4Lt_u, 0xe533, s_ss) \ 328 V(I32x4Le_u, 0xe534, s_ss) \ 329 V(I32x4Gt_u, 0xe535, s_ss) \ 330 V(I32x4Ge_u, 0xe536, s_ss) \ 331 V(Ui32x4FromFloat32x4, 0xe537, s_s) \ 332 V(I16x8Splat, 0xe538, s_i) \ 333 V(I16x8ReplaceLane, 0xe53a, s_sii) \ 334 V(I16x8Neg, 0xe53b, s_s) \ 335 V(I16x8Add, 0xe53c, s_ss) \ 336 V(I16x8AddSaturate_s, 0xe53d, s_ss) \ 337 V(I16x8Sub, 0xe53e, s_ss) \ 338 V(I16x8SubSaturate_s, 0xe53f, s_ss) \ 339 V(I16x8Mul, 0xe540, s_ss) \ 340 V(I16x8Min_s, 0xe541, s_ss) \ 341 V(I16x8Max_s, 0xe542, s_ss) \ 342 V(I16x8Shl, 0xe543, s_si) \ 343 V(I16x8Shr_s, 0xe544, s_si) \ 344 V(I16x8Eq, 0xe545, s_ss) \ 345 V(I16x8Ne, 0xe546, s_ss) \ 346 V(I16x8Lt_s, 0xe547, s_ss) \ 347 V(I16x8Le_s, 0xe548, s_ss) \ 348 V(I16x8Gt_s, 0xe549, s_ss) \ 349 V(I16x8Ge_s, 0xe54a, s_ss) \ 350 V(I16x8Select, 0xe54b, s_sss) \ 351 V(I16x8Swizzle, 0xe54c, s_s) \ 352 V(I16x8Shuffle, 0xe54d, s_ss) \ 353 V(I16x8AddSaturate_u, 0xe54e, s_ss) \ 354 V(I16x8SubSaturate_u, 0xe54f, s_ss) \ 355 V(I16x8Min_u, 0xe550, s_ss) \ 356 V(I16x8Max_u, 0xe551, s_ss) \ 357 V(I16x8Shr_u, 0xe552, s_si) \ 358 V(I16x8Lt_u, 0xe553, s_ss) \ 359 V(I16x8Le_u, 0xe554, s_ss) \ 360 V(I16x8Gt_u, 0xe555, s_ss) \ 361 V(I16x8Ge_u, 0xe556, s_ss) \ 362 V(I8x16Splat, 0xe557, s_i) \ 363 V(I8x16ReplaceLane, 0xe559, s_sii) \ 364 V(I8x16Neg, 0xe55a, s_s) \ 365 V(I8x16Add, 0xe55b, s_ss) \ 366 V(I8x16AddSaturate_s, 0xe55c, s_ss) \ 367 V(I8x16Sub, 0xe55d, s_ss) \ 368 V(I8x16SubSaturate_s, 0xe55e, s_ss) \ 369 V(I8x16Mul, 0xe55f, s_ss) \ 370 V(I8x16Min_s, 0xe560, s_ss) \ 371 V(I8x16Max_s, 0xe561, s_ss) \ 372 V(I8x16Shl, 0xe562, s_si) \ 373 V(I8x16Shr_s, 0xe563, s_si) \ 374 V(I8x16Eq, 0xe564, s_ss) \ 375 V(I8x16Neq, 0xe565, s_ss) \ 376 V(I8x16Lt_s, 0xe566, s_ss) \ 377 V(I8x16Le_s, 0xe567, s_ss) \ 378 V(I8x16Gt_s, 0xe568, s_ss) \ 379 V(I8x16Ge_s, 0xe569, s_ss) \ 380 V(I8x16Select, 0xe56a, s_sss) \ 381 V(I8x16Swizzle, 0xe56b, s_s) \ 382 V(I8x16Shuffle, 0xe56c, s_ss) \ 383 V(I8x16AddSaturate_u, 0xe56d, s_ss) \ 384 V(I8x16Sub_saturate_u, 0xe56e, s_ss) \ 385 V(I8x16Min_u, 0xe56f, s_ss) \ 386 V(I8x16Max_u, 0xe570, s_ss) \ 387 V(I8x16Shr_u, 0xe571, s_ss) \ 388 V(I8x16Lt_u, 0xe572, s_ss) \ 389 V(I8x16Le_u, 0xe573, s_ss) \ 390 V(I8x16Gt_u, 0xe574, s_ss) \ 391 V(I8x16Ge_u, 0xe575, s_ss) \ 392 V(S128And, 0xe576, s_ss) \ 393 V(S128Ior, 0xe577, s_ss) \ 394 V(S128Xor, 0xe578, s_ss) \ 395 V(S128Not, 0xe579, s_s) 396 397 #define FOREACH_SIMD_1_OPERAND_OPCODE(V) \ 398 V(F32x4ExtractLane, 0xe501, _) \ 399 V(I32x4ExtractLane, 0xe51c, _) \ 400 V(I16x8ExtractLane, 0xe539, _) \ 401 V(I8x16ExtractLane, 0xe558, _) 402 403 #define FOREACH_ATOMIC_OPCODE(V) \ 404 V(I32AtomicAdd8S, 0xe601, i_ii) \ 405 V(I32AtomicAdd8U, 0xe602, i_ii) \ 406 V(I32AtomicAdd16S, 0xe603, i_ii) \ 407 V(I32AtomicAdd16U, 0xe604, i_ii) \ 408 V(I32AtomicAdd32, 0xe605, i_ii) \ 409 V(I32AtomicAnd8S, 0xe606, i_ii) \ 410 V(I32AtomicAnd8U, 0xe607, i_ii) \ 411 V(I32AtomicAnd16S, 0xe608, i_ii) \ 412 V(I32AtomicAnd16U, 0xe609, i_ii) \ 413 V(I32AtomicAnd32, 0xe60a, i_ii) \ 414 V(I32AtomicCompareExchange8S, 0xe60b, i_ii) \ 415 V(I32AtomicCompareExchange8U, 0xe60c, i_ii) \ 416 V(I32AtomicCompareExchange16S, 0xe60d, i_ii) \ 417 V(I32AtomicCompareExchange16U, 0xe60e, i_ii) \ 418 V(I32AtomicCompareExchange32, 0xe60f, i_ii) \ 419 V(I32AtomicExchange8S, 0xe610, i_ii) \ 420 V(I32AtomicExchange8U, 0xe611, i_ii) \ 421 V(I32AtomicExchange16S, 0xe612, i_ii) \ 422 V(I32AtomicExchange16U, 0xe613, i_ii) \ 423 V(I32AtomicExchange32, 0xe614, i_ii) \ 424 V(I32AtomicOr8S, 0xe615, i_ii) \ 425 V(I32AtomicOr8U, 0xe616, i_ii) \ 426 V(I32AtomicOr16S, 0xe617, i_ii) \ 427 V(I32AtomicOr16U, 0xe618, i_ii) \ 428 V(I32AtomicOr32, 0xe619, i_ii) \ 429 V(I32AtomicSub8S, 0xe61a, i_ii) \ 430 V(I32AtomicSub8U, 0xe61b, i_ii) \ 431 V(I32AtomicSub16S, 0xe61c, i_ii) \ 432 V(I32AtomicSub16U, 0xe61d, i_ii) \ 433 V(I32AtomicSub32, 0xe61e, i_ii) \ 434 V(I32AtomicXor8S, 0xe61f, i_ii) \ 435 V(I32AtomicXor8U, 0xe620, i_ii) \ 436 V(I32AtomicXor16S, 0xe621, i_ii) \ 437 V(I32AtomicXor16U, 0xe622, i_ii) \ 438 V(I32AtomicXor32, 0xe623, i_ii) 439 440 // All opcodes. 441 #define FOREACH_OPCODE(V) \ 442 FOREACH_CONTROL_OPCODE(V) \ 443 FOREACH_MISC_OPCODE(V) \ 444 FOREACH_SIMPLE_OPCODE(V) \ 445 FOREACH_STORE_MEM_OPCODE(V) \ 446 FOREACH_LOAD_MEM_OPCODE(V) \ 447 FOREACH_MISC_MEM_OPCODE(V) \ 448 FOREACH_ASMJS_COMPAT_OPCODE(V) \ 449 FOREACH_SIMD_0_OPERAND_OPCODE(V) \ 450 FOREACH_SIMD_1_OPERAND_OPCODE(V) \ 451 FOREACH_ATOMIC_OPCODE(V) 452 453 // All signatures. 454 #define FOREACH_SIGNATURE(V) \ 455 FOREACH_SIMD_SIGNATURE(V) \ 456 V(i_ii, kAstI32, kAstI32, kAstI32) \ 457 V(i_i, kAstI32, kAstI32) \ 458 V(i_v, kAstI32) \ 459 V(i_ff, kAstI32, kAstF32, kAstF32) \ 460 V(i_f, kAstI32, kAstF32) \ 461 V(i_dd, kAstI32, kAstF64, kAstF64) \ 462 V(i_d, kAstI32, kAstF64) \ 463 V(i_l, kAstI32, kAstI64) \ 464 V(l_ll, kAstI64, kAstI64, kAstI64) \ 465 V(i_ll, kAstI32, kAstI64, kAstI64) \ 466 V(l_l, kAstI64, kAstI64) \ 467 V(l_i, kAstI64, kAstI32) \ 468 V(l_f, kAstI64, kAstF32) \ 469 V(l_d, kAstI64, kAstF64) \ 470 V(f_ff, kAstF32, kAstF32, kAstF32) \ 471 V(f_f, kAstF32, kAstF32) \ 472 V(f_d, kAstF32, kAstF64) \ 473 V(f_i, kAstF32, kAstI32) \ 474 V(f_l, kAstF32, kAstI64) \ 475 V(d_dd, kAstF64, kAstF64, kAstF64) \ 476 V(d_d, kAstF64, kAstF64) \ 477 V(d_f, kAstF64, kAstF32) \ 478 V(d_i, kAstF64, kAstI32) \ 479 V(d_l, kAstF64, kAstI64) \ 480 V(d_id, kAstF64, kAstI32, kAstF64) \ 481 V(f_if, kAstF32, kAstI32, kAstF32) \ 482 V(l_il, kAstI64, kAstI32, kAstI64) 483 484 #define FOREACH_SIMD_SIGNATURE(V) \ 485 V(s_s, kAstS128, kAstS128) \ 486 V(s_f, kAstS128, kAstF32) \ 487 V(s_sif, kAstS128, kAstS128, kAstI32, kAstF32) \ 488 V(s_ss, kAstS128, kAstS128, kAstS128) \ 489 V(s_sss, kAstS128, kAstS128, kAstS128, kAstS128) \ 490 V(s_i, kAstS128, kAstI32) \ 491 V(s_sii, kAstS128, kAstS128, kAstI32, kAstI32) \ 492 V(s_si, kAstS128, kAstS128, kAstI32) 493 494 #define FOREACH_PREFIX(V) \ 495 V(Simd, 0xe5) \ 496 V(Atomic, 0xe6) 497 498 enum WasmOpcode { 499 // Declare expression opcodes. 500 #define DECLARE_NAMED_ENUM(name, opcode, sig) kExpr##name = opcode, 501 FOREACH_OPCODE(DECLARE_NAMED_ENUM) 502 #undef DECLARE_NAMED_ENUM 503 #define DECLARE_PREFIX(name, opcode) k##name##Prefix = opcode, 504 FOREACH_PREFIX(DECLARE_PREFIX) 505 #undef DECLARE_PREFIX 506 }; 507 508 // The reason for a trap. 509 #define FOREACH_WASM_TRAPREASON(V) \ 510 V(TrapUnreachable) \ 511 V(TrapMemOutOfBounds) \ 512 V(TrapDivByZero) \ 513 V(TrapDivUnrepresentable) \ 514 V(TrapRemByZero) \ 515 V(TrapFloatUnrepresentable) \ 516 V(TrapFuncInvalid) \ 517 V(TrapFuncSigMismatch) \ 518 V(TrapInvalidIndex) 519 520 enum TrapReason { 521 #define DECLARE_ENUM(name) k##name, 522 FOREACH_WASM_TRAPREASON(DECLARE_ENUM) 523 kTrapCount 524 #undef DECLARE_ENUM 525 }; 526 527 // A collection of opcode-related static methods. 528 class V8_EXPORT_PRIVATE WasmOpcodes { 529 public: 530 static const char* OpcodeName(WasmOpcode opcode); 531 static const char* ShortOpcodeName(WasmOpcode opcode); 532 static FunctionSig* Signature(WasmOpcode opcode); 533 static FunctionSig* AsmjsSignature(WasmOpcode opcode); 534 static FunctionSig* AtomicSignature(WasmOpcode opcode); 535 static bool IsPrefixOpcode(WasmOpcode opcode); 536 537 static int TrapReasonToMessageId(TrapReason reason); 538 static const char* TrapReasonMessage(TrapReason reason); 539 540 static byte MemSize(MachineType type) { 541 return 1 << ElementSizeLog2Of(type.representation()); 542 } 543 544 static byte MemSize(LocalType type) { return 1 << ElementSizeLog2Of(type); } 545 546 static LocalTypeCode LocalTypeCodeFor(LocalType type) { 547 switch (type) { 548 case kAstI32: 549 return kLocalI32; 550 case kAstI64: 551 return kLocalI64; 552 case kAstF32: 553 return kLocalF32; 554 case kAstF64: 555 return kLocalF64; 556 case kAstS128: 557 return kLocalS128; 558 case kAstStmt: 559 return kLocalVoid; 560 default: 561 UNREACHABLE(); 562 return kLocalVoid; 563 } 564 } 565 566 static MachineType MachineTypeFor(LocalType type) { 567 switch (type) { 568 case kAstI32: 569 return MachineType::Int32(); 570 case kAstI64: 571 return MachineType::Int64(); 572 case kAstF32: 573 return MachineType::Float32(); 574 case kAstF64: 575 return MachineType::Float64(); 576 case kAstS128: 577 return MachineType::Simd128(); 578 case kAstStmt: 579 return MachineType::None(); 580 default: 581 UNREACHABLE(); 582 return MachineType::None(); 583 } 584 } 585 586 static LocalType LocalTypeFor(MachineType type) { 587 if (type == MachineType::Int8()) { 588 return kAstI32; 589 } else if (type == MachineType::Uint8()) { 590 return kAstI32; 591 } else if (type == MachineType::Int16()) { 592 return kAstI32; 593 } else if (type == MachineType::Uint16()) { 594 return kAstI32; 595 } else if (type == MachineType::Int32()) { 596 return kAstI32; 597 } else if (type == MachineType::Uint32()) { 598 return kAstI32; 599 } else if (type == MachineType::Int64()) { 600 return kAstI64; 601 } else if (type == MachineType::Uint64()) { 602 return kAstI64; 603 } else if (type == MachineType::Float32()) { 604 return kAstF32; 605 } else if (type == MachineType::Float64()) { 606 return kAstF64; 607 } else if (type == MachineType::Simd128()) { 608 return kAstS128; 609 } else { 610 UNREACHABLE(); 611 return kAstI32; 612 } 613 } 614 615 static WasmOpcode LoadStoreOpcodeOf(MachineType type, bool store) { 616 if (type == MachineType::Int8()) { 617 return store ? kExprI32StoreMem8 : kExprI32LoadMem8S; 618 } else if (type == MachineType::Uint8()) { 619 return store ? kExprI32StoreMem8 : kExprI32LoadMem8U; 620 } else if (type == MachineType::Int16()) { 621 return store ? kExprI32StoreMem16 : kExprI32LoadMem16S; 622 } else if (type == MachineType::Uint16()) { 623 return store ? kExprI32StoreMem16 : kExprI32LoadMem16U; 624 } else if (type == MachineType::Int32()) { 625 return store ? kExprI32StoreMem : kExprI32LoadMem; 626 } else if (type == MachineType::Uint32()) { 627 return store ? kExprI32StoreMem : kExprI32LoadMem; 628 } else if (type == MachineType::Int64()) { 629 return store ? kExprI64StoreMem : kExprI64LoadMem; 630 } else if (type == MachineType::Uint64()) { 631 return store ? kExprI64StoreMem : kExprI64LoadMem; 632 } else if (type == MachineType::Float32()) { 633 return store ? kExprF32StoreMem : kExprF32LoadMem; 634 } else if (type == MachineType::Float64()) { 635 return store ? kExprF64StoreMem : kExprF64LoadMem; 636 } else { 637 UNREACHABLE(); 638 return kExprNop; 639 } 640 } 641 642 static char ShortNameOf(LocalType type) { 643 switch (type) { 644 case kAstI32: 645 return 'i'; 646 case kAstI64: 647 return 'l'; 648 case kAstF32: 649 return 'f'; 650 case kAstF64: 651 return 'd'; 652 case kAstS128: 653 return 's'; 654 case kAstStmt: 655 return 'v'; 656 case kAstEnd: 657 return 'x'; 658 default: 659 UNREACHABLE(); 660 return '?'; 661 } 662 } 663 664 static const char* TypeName(LocalType type) { 665 switch (type) { 666 case kAstI32: 667 return "i32"; 668 case kAstI64: 669 return "i64"; 670 case kAstF32: 671 return "f32"; 672 case kAstF64: 673 return "f64"; 674 case kAstS128: 675 return "s128"; 676 case kAstStmt: 677 return "<stmt>"; 678 case kAstEnd: 679 return "<end>"; 680 default: 681 return "<unknown>"; 682 } 683 } 684 }; 685 } // namespace wasm 686 } // namespace internal 687 } // namespace v8 688 689 #endif // V8_WASM_OPCODES_H_ 690
