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/runtime/runtime.h" 11 #include "src/signature.h" 12 13 namespace v8 { 14 namespace internal { 15 namespace wasm { 16 17 // Binary encoding of local types. 18 enum ValueTypeCode { 19 kLocalVoid = 0x40, 20 kLocalI32 = 0x7f, 21 kLocalI64 = 0x7e, 22 kLocalF32 = 0x7d, 23 kLocalF64 = 0x7c, 24 kLocalS128 = 0x7b, 25 kLocalS1x4 = 0x7a, 26 kLocalS1x8 = 0x79, 27 kLocalS1x16 = 0x78 28 }; 29 30 // Type code for multi-value block types. 31 static const uint8_t kMultivalBlock = 0x41; 32 33 // We reuse the internal machine type to represent WebAssembly types. 34 // A typedef improves readability without adding a whole new type system. 35 typedef MachineRepresentation ValueType; 36 const ValueType kWasmStmt = MachineRepresentation::kNone; 37 const ValueType kWasmI32 = MachineRepresentation::kWord32; 38 const ValueType kWasmI64 = MachineRepresentation::kWord64; 39 const ValueType kWasmF32 = MachineRepresentation::kFloat32; 40 const ValueType kWasmF64 = MachineRepresentation::kFloat64; 41 const ValueType kWasmS128 = MachineRepresentation::kSimd128; 42 const ValueType kWasmS1x4 = MachineRepresentation::kSimd1x4; 43 const ValueType kWasmS1x8 = MachineRepresentation::kSimd1x8; 44 const ValueType kWasmS1x16 = MachineRepresentation::kSimd1x16; 45 const ValueType kWasmVar = MachineRepresentation::kTagged; 46 47 typedef Signature<ValueType> FunctionSig; 48 std::ostream& operator<<(std::ostream& os, const FunctionSig& function); 49 50 typedef Vector<const char> WasmName; 51 52 typedef int WasmCodePosition; 53 const WasmCodePosition kNoCodePosition = -1; 54 55 // Control expressions and blocks. 56 #define FOREACH_CONTROL_OPCODE(V) \ 57 V(Unreachable, 0x00, _) \ 58 V(Nop, 0x01, _) \ 59 V(Block, 0x02, _) \ 60 V(Loop, 0x03, _) \ 61 V(If, 0x004, _) \ 62 V(Else, 0x05, _) \ 63 V(Try, 0x06, _ /* eh_prototype */) \ 64 V(Catch, 0x07, _ /* eh_prototype */) \ 65 V(Throw, 0x08, _ /* eh_prototype */) \ 66 V(End, 0x0b, _) \ 67 V(Br, 0x0c, _) \ 68 V(BrIf, 0x0d, _) \ 69 V(BrTable, 0x0e, _) \ 70 V(Return, 0x0f, _) 71 72 // Constants, locals, globals, and calls. 73 #define FOREACH_MISC_OPCODE(V) \ 74 V(CallFunction, 0x10, _) \ 75 V(CallIndirect, 0x11, _) \ 76 V(Drop, 0x1a, _) \ 77 V(Select, 0x1b, _) \ 78 V(GetLocal, 0x20, _) \ 79 V(SetLocal, 0x21, _) \ 80 V(TeeLocal, 0x22, _) \ 81 V(GetGlobal, 0x23, _) \ 82 V(SetGlobal, 0x24, _) \ 83 V(I32Const, 0x41, _) \ 84 V(I64Const, 0x42, _) \ 85 V(F32Const, 0x43, _) \ 86 V(F64Const, 0x44, _) 87 88 // Load memory expressions. 89 #define FOREACH_LOAD_MEM_OPCODE(V) \ 90 V(I32LoadMem, 0x28, i_i) \ 91 V(I64LoadMem, 0x29, l_i) \ 92 V(F32LoadMem, 0x2a, f_i) \ 93 V(F64LoadMem, 0x2b, d_i) \ 94 V(I32LoadMem8S, 0x2c, i_i) \ 95 V(I32LoadMem8U, 0x2d, i_i) \ 96 V(I32LoadMem16S, 0x2e, i_i) \ 97 V(I32LoadMem16U, 0x2f, i_i) \ 98 V(I64LoadMem8S, 0x30, l_i) \ 99 V(I64LoadMem8U, 0x31, l_i) \ 100 V(I64LoadMem16S, 0x32, l_i) \ 101 V(I64LoadMem16U, 0x33, l_i) \ 102 V(I64LoadMem32S, 0x34, l_i) \ 103 V(I64LoadMem32U, 0x35, l_i) 104 105 // Store memory expressions. 106 #define FOREACH_STORE_MEM_OPCODE(V) \ 107 V(I32StoreMem, 0x36, i_ii) \ 108 V(I64StoreMem, 0x37, l_il) \ 109 V(F32StoreMem, 0x38, f_if) \ 110 V(F64StoreMem, 0x39, d_id) \ 111 V(I32StoreMem8, 0x3a, i_ii) \ 112 V(I32StoreMem16, 0x3b, i_ii) \ 113 V(I64StoreMem8, 0x3c, l_il) \ 114 V(I64StoreMem16, 0x3d, l_il) \ 115 V(I64StoreMem32, 0x3e, l_il) 116 117 // Miscellaneous memory expressions 118 #define FOREACH_MISC_MEM_OPCODE(V) \ 119 V(MemorySize, 0x3f, i_v) \ 120 V(GrowMemory, 0x40, i_i) 121 122 // Expressions with signatures. 123 #define FOREACH_SIMPLE_OPCODE(V) \ 124 V(I32Eqz, 0x45, i_i) \ 125 V(I32Eq, 0x46, i_ii) \ 126 V(I32Ne, 0x47, i_ii) \ 127 V(I32LtS, 0x48, i_ii) \ 128 V(I32LtU, 0x49, i_ii) \ 129 V(I32GtS, 0x4a, i_ii) \ 130 V(I32GtU, 0x4b, i_ii) \ 131 V(I32LeS, 0x4c, i_ii) \ 132 V(I32LeU, 0x4d, i_ii) \ 133 V(I32GeS, 0x4e, i_ii) \ 134 V(I32GeU, 0x4f, i_ii) \ 135 V(I64Eqz, 0x50, i_l) \ 136 V(I64Eq, 0x51, i_ll) \ 137 V(I64Ne, 0x52, i_ll) \ 138 V(I64LtS, 0x53, i_ll) \ 139 V(I64LtU, 0x54, i_ll) \ 140 V(I64GtS, 0x55, i_ll) \ 141 V(I64GtU, 0x56, i_ll) \ 142 V(I64LeS, 0x57, i_ll) \ 143 V(I64LeU, 0x58, i_ll) \ 144 V(I64GeS, 0x59, i_ll) \ 145 V(I64GeU, 0x5a, i_ll) \ 146 V(F32Eq, 0x5b, i_ff) \ 147 V(F32Ne, 0x5c, i_ff) \ 148 V(F32Lt, 0x5d, i_ff) \ 149 V(F32Gt, 0x5e, i_ff) \ 150 V(F32Le, 0x5f, i_ff) \ 151 V(F32Ge, 0x60, i_ff) \ 152 V(F64Eq, 0x61, i_dd) \ 153 V(F64Ne, 0x62, i_dd) \ 154 V(F64Lt, 0x63, i_dd) \ 155 V(F64Gt, 0x64, i_dd) \ 156 V(F64Le, 0x65, i_dd) \ 157 V(F64Ge, 0x66, i_dd) \ 158 V(I32Clz, 0x67, i_i) \ 159 V(I32Ctz, 0x68, i_i) \ 160 V(I32Popcnt, 0x69, i_i) \ 161 V(I32Add, 0x6a, i_ii) \ 162 V(I32Sub, 0x6b, i_ii) \ 163 V(I32Mul, 0x6c, i_ii) \ 164 V(I32DivS, 0x6d, i_ii) \ 165 V(I32DivU, 0x6e, i_ii) \ 166 V(I32RemS, 0x6f, i_ii) \ 167 V(I32RemU, 0x70, i_ii) \ 168 V(I32And, 0x71, i_ii) \ 169 V(I32Ior, 0x72, i_ii) \ 170 V(I32Xor, 0x73, i_ii) \ 171 V(I32Shl, 0x74, i_ii) \ 172 V(I32ShrS, 0x75, i_ii) \ 173 V(I32ShrU, 0x76, i_ii) \ 174 V(I32Rol, 0x77, i_ii) \ 175 V(I32Ror, 0x78, i_ii) \ 176 V(I64Clz, 0x79, l_l) \ 177 V(I64Ctz, 0x7a, l_l) \ 178 V(I64Popcnt, 0x7b, l_l) \ 179 V(I64Add, 0x7c, l_ll) \ 180 V(I64Sub, 0x7d, l_ll) \ 181 V(I64Mul, 0x7e, l_ll) \ 182 V(I64DivS, 0x7f, l_ll) \ 183 V(I64DivU, 0x80, l_ll) \ 184 V(I64RemS, 0x81, l_ll) \ 185 V(I64RemU, 0x82, l_ll) \ 186 V(I64And, 0x83, l_ll) \ 187 V(I64Ior, 0x84, l_ll) \ 188 V(I64Xor, 0x85, l_ll) \ 189 V(I64Shl, 0x86, l_ll) \ 190 V(I64ShrS, 0x87, l_ll) \ 191 V(I64ShrU, 0x88, l_ll) \ 192 V(I64Rol, 0x89, l_ll) \ 193 V(I64Ror, 0x8a, l_ll) \ 194 V(F32Abs, 0x8b, f_f) \ 195 V(F32Neg, 0x8c, f_f) \ 196 V(F32Ceil, 0x8d, f_f) \ 197 V(F32Floor, 0x8e, f_f) \ 198 V(F32Trunc, 0x8f, f_f) \ 199 V(F32NearestInt, 0x90, f_f) \ 200 V(F32Sqrt, 0x91, f_f) \ 201 V(F32Add, 0x92, f_ff) \ 202 V(F32Sub, 0x93, f_ff) \ 203 V(F32Mul, 0x94, f_ff) \ 204 V(F32Div, 0x95, f_ff) \ 205 V(F32Min, 0x96, f_ff) \ 206 V(F32Max, 0x97, f_ff) \ 207 V(F32CopySign, 0x98, f_ff) \ 208 V(F64Abs, 0x99, d_d) \ 209 V(F64Neg, 0x9a, d_d) \ 210 V(F64Ceil, 0x9b, d_d) \ 211 V(F64Floor, 0x9c, d_d) \ 212 V(F64Trunc, 0x9d, d_d) \ 213 V(F64NearestInt, 0x9e, d_d) \ 214 V(F64Sqrt, 0x9f, d_d) \ 215 V(F64Add, 0xa0, d_dd) \ 216 V(F64Sub, 0xa1, d_dd) \ 217 V(F64Mul, 0xa2, d_dd) \ 218 V(F64Div, 0xa3, d_dd) \ 219 V(F64Min, 0xa4, d_dd) \ 220 V(F64Max, 0xa5, d_dd) \ 221 V(F64CopySign, 0xa6, d_dd) \ 222 V(I32ConvertI64, 0xa7, i_l) \ 223 V(I32SConvertF32, 0xa8, i_f) \ 224 V(I32UConvertF32, 0xa9, i_f) \ 225 V(I32SConvertF64, 0xaa, i_d) \ 226 V(I32UConvertF64, 0xab, i_d) \ 227 V(I64SConvertI32, 0xac, l_i) \ 228 V(I64UConvertI32, 0xad, l_i) \ 229 V(I64SConvertF32, 0xae, l_f) \ 230 V(I64UConvertF32, 0xaf, l_f) \ 231 V(I64SConvertF64, 0xb0, l_d) \ 232 V(I64UConvertF64, 0xb1, l_d) \ 233 V(F32SConvertI32, 0xb2, f_i) \ 234 V(F32UConvertI32, 0xb3, f_i) \ 235 V(F32SConvertI64, 0xb4, f_l) \ 236 V(F32UConvertI64, 0xb5, f_l) \ 237 V(F32ConvertF64, 0xb6, f_d) \ 238 V(F64SConvertI32, 0xb7, d_i) \ 239 V(F64UConvertI32, 0xb8, d_i) \ 240 V(F64SConvertI64, 0xb9, d_l) \ 241 V(F64UConvertI64, 0xba, d_l) \ 242 V(F64ConvertF32, 0xbb, d_f) \ 243 V(I32ReinterpretF32, 0xbc, i_f) \ 244 V(I64ReinterpretF64, 0xbd, l_d) \ 245 V(F32ReinterpretI32, 0xbe, f_i) \ 246 V(F64ReinterpretI64, 0xbf, d_l) 247 248 // For compatibility with Asm.js. 249 #define FOREACH_ASMJS_COMPAT_OPCODE(V) \ 250 V(F64Acos, 0xc0, d_d) \ 251 V(F64Asin, 0xc1, d_d) \ 252 V(F64Atan, 0xc2, d_d) \ 253 V(F64Cos, 0xc3, d_d) \ 254 V(F64Sin, 0xc4, d_d) \ 255 V(F64Tan, 0xc5, d_d) \ 256 V(F64Exp, 0xc6, d_d) \ 257 V(F64Log, 0xc7, d_d) \ 258 V(F64Atan2, 0xc8, d_dd) \ 259 V(F64Pow, 0xc9, d_dd) \ 260 V(F64Mod, 0xca, d_dd) \ 261 V(I32AsmjsDivS, 0xd0, i_ii) \ 262 V(I32AsmjsDivU, 0xd1, i_ii) \ 263 V(I32AsmjsRemS, 0xd2, i_ii) \ 264 V(I32AsmjsRemU, 0xd3, i_ii) \ 265 V(I32AsmjsLoadMem8S, 0xd4, i_i) \ 266 V(I32AsmjsLoadMem8U, 0xd5, i_i) \ 267 V(I32AsmjsLoadMem16S, 0xd6, i_i) \ 268 V(I32AsmjsLoadMem16U, 0xd7, i_i) \ 269 V(I32AsmjsLoadMem, 0xd8, i_i) \ 270 V(F32AsmjsLoadMem, 0xd9, f_i) \ 271 V(F64AsmjsLoadMem, 0xda, d_i) \ 272 V(I32AsmjsStoreMem8, 0xdb, i_ii) \ 273 V(I32AsmjsStoreMem16, 0xdc, i_ii) \ 274 V(I32AsmjsStoreMem, 0xdd, i_ii) \ 275 V(F32AsmjsStoreMem, 0xde, f_if) \ 276 V(F64AsmjsStoreMem, 0xdf, d_id) \ 277 V(I32AsmjsSConvertF32, 0xe0, i_f) \ 278 V(I32AsmjsUConvertF32, 0xe1, i_f) \ 279 V(I32AsmjsSConvertF64, 0xe2, i_d) \ 280 V(I32AsmjsUConvertF64, 0xe3, i_d) 281 282 #define FOREACH_SIMD_0_OPERAND_OPCODE(V) \ 283 V(F32x4Splat, 0xe500, s_f) \ 284 V(F32x4Abs, 0xe503, s_s) \ 285 V(F32x4Neg, 0xe504, s_s) \ 286 V(F32x4Sqrt, 0xe505, s_s) \ 287 V(F32x4RecipApprox, 0xe506, s_s) \ 288 V(F32x4SqrtApprox, 0xe507, s_s) \ 289 V(F32x4Add, 0xe508, s_ss) \ 290 V(F32x4Sub, 0xe509, s_ss) \ 291 V(F32x4Mul, 0xe50a, s_ss) \ 292 V(F32x4Div, 0xe50b, s_ss) \ 293 V(F32x4Min, 0xe50c, s_ss) \ 294 V(F32x4Max, 0xe50d, s_ss) \ 295 V(F32x4MinNum, 0xe50e, s_ss) \ 296 V(F32x4MaxNum, 0xe50f, s_ss) \ 297 V(F32x4Eq, 0xe510, s1x4_ss) \ 298 V(F32x4Ne, 0xe511, s1x4_ss) \ 299 V(F32x4Lt, 0xe512, s1x4_ss) \ 300 V(F32x4Le, 0xe513, s1x4_ss) \ 301 V(F32x4Gt, 0xe514, s1x4_ss) \ 302 V(F32x4Ge, 0xe515, s1x4_ss) \ 303 V(F32x4SConvertI32x4, 0xe519, s_s) \ 304 V(F32x4UConvertI32x4, 0xe51a, s_s) \ 305 V(I32x4Splat, 0xe51b, s_i) \ 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(I32x4MinS, 0xe522, s_ss) \ 311 V(I32x4MaxS, 0xe523, s_ss) \ 312 V(I32x4Eq, 0xe526, s1x4_ss) \ 313 V(I32x4Ne, 0xe527, s1x4_ss) \ 314 V(I32x4LtS, 0xe528, s1x4_ss) \ 315 V(I32x4LeS, 0xe529, s1x4_ss) \ 316 V(I32x4GtS, 0xe52a, s1x4_ss) \ 317 V(I32x4GeS, 0xe52b, s1x4_ss) \ 318 V(I32x4SConvertF32x4, 0xe52f, s_s) \ 319 V(I32x4MinU, 0xe530, s_ss) \ 320 V(I32x4MaxU, 0xe531, s_ss) \ 321 V(I32x4LtU, 0xe533, s1x4_ss) \ 322 V(I32x4LeU, 0xe534, s1x4_ss) \ 323 V(I32x4GtU, 0xe535, s1x4_ss) \ 324 V(I32x4GeU, 0xe536, s1x4_ss) \ 325 V(I32x4UConvertF32x4, 0xe537, s_s) \ 326 V(I16x8Splat, 0xe538, s_i) \ 327 V(I16x8Neg, 0xe53b, s_s) \ 328 V(I16x8Add, 0xe53c, s_ss) \ 329 V(I16x8AddSaturateS, 0xe53d, s_ss) \ 330 V(I16x8Sub, 0xe53e, s_ss) \ 331 V(I16x8SubSaturateS, 0xe53f, s_ss) \ 332 V(I16x8Mul, 0xe540, s_ss) \ 333 V(I16x8MinS, 0xe541, s_ss) \ 334 V(I16x8MaxS, 0xe542, s_ss) \ 335 V(I16x8Eq, 0xe545, s1x8_ss) \ 336 V(I16x8Ne, 0xe546, s1x8_ss) \ 337 V(I16x8LtS, 0xe547, s1x8_ss) \ 338 V(I16x8LeS, 0xe548, s1x8_ss) \ 339 V(I16x8GtS, 0xe549, s1x8_ss) \ 340 V(I16x8GeS, 0xe54a, s1x8_ss) \ 341 V(I16x8AddSaturateU, 0xe54e, s_ss) \ 342 V(I16x8SubSaturateU, 0xe54f, s_ss) \ 343 V(I16x8MinU, 0xe550, s_ss) \ 344 V(I16x8MaxU, 0xe551, s_ss) \ 345 V(I16x8LtU, 0xe553, s1x8_ss) \ 346 V(I16x8LeU, 0xe554, s1x8_ss) \ 347 V(I16x8GtU, 0xe555, s1x8_ss) \ 348 V(I16x8GeU, 0xe556, s1x8_ss) \ 349 V(I8x16Splat, 0xe557, s_i) \ 350 V(I8x16Neg, 0xe55a, s_s) \ 351 V(I8x16Add, 0xe55b, s_ss) \ 352 V(I8x16AddSaturateS, 0xe55c, s_ss) \ 353 V(I8x16Sub, 0xe55d, s_ss) \ 354 V(I8x16SubSaturateS, 0xe55e, s_ss) \ 355 V(I8x16Mul, 0xe55f, s_ss) \ 356 V(I8x16MinS, 0xe560, s_ss) \ 357 V(I8x16MaxS, 0xe561, s_ss) \ 358 V(I8x16Eq, 0xe564, s1x16_ss) \ 359 V(I8x16Ne, 0xe565, s1x16_ss) \ 360 V(I8x16LtS, 0xe566, s1x16_ss) \ 361 V(I8x16LeS, 0xe567, s1x16_ss) \ 362 V(I8x16GtS, 0xe568, s1x16_ss) \ 363 V(I8x16GeS, 0xe569, s1x16_ss) \ 364 V(I8x16AddSaturateU, 0xe56d, s_ss) \ 365 V(I8x16SubSaturateU, 0xe56e, s_ss) \ 366 V(I8x16MinU, 0xe56f, s_ss) \ 367 V(I8x16MaxU, 0xe570, s_ss) \ 368 V(I8x16LtU, 0xe572, s1x16_ss) \ 369 V(I8x16LeU, 0xe573, s1x16_ss) \ 370 V(I8x16GtU, 0xe574, s1x16_ss) \ 371 V(I8x16GeU, 0xe575, s1x16_ss) \ 372 V(S128And, 0xe576, s_ss) \ 373 V(S128Or, 0xe577, s_ss) \ 374 V(S128Xor, 0xe578, s_ss) \ 375 V(S128Not, 0xe579, s_s) \ 376 V(S32x4Select, 0xe52c, s_s1x4ss) \ 377 V(S32x4Swizzle, 0xe52d, s_s) \ 378 V(S32x4Shuffle, 0xe52e, s_ss) \ 379 V(S16x8Select, 0xe54b, s_s1x8ss) \ 380 V(S16x8Swizzle, 0xe54c, s_s) \ 381 V(S16x8Shuffle, 0xe54d, s_ss) \ 382 V(S8x16Select, 0xe56a, s_s1x16ss) \ 383 V(S8x16Swizzle, 0xe56b, s_s) \ 384 V(S8x16Shuffle, 0xe56c, s_ss) 385 386 #define FOREACH_SIMD_1_OPERAND_OPCODE(V) \ 387 V(F32x4ExtractLane, 0xe501, _) \ 388 V(F32x4ReplaceLane, 0xe502, _) \ 389 V(I32x4ExtractLane, 0xe51c, _) \ 390 V(I32x4ReplaceLane, 0xe51d, _) \ 391 V(I32x4Shl, 0xe524, _) \ 392 V(I32x4ShrS, 0xe525, _) \ 393 V(I32x4ShrU, 0xe532, _) \ 394 V(I16x8ExtractLane, 0xe539, _) \ 395 V(I16x8ReplaceLane, 0xe53a, _) \ 396 V(I16x8Shl, 0xe543, _) \ 397 V(I16x8ShrS, 0xe544, _) \ 398 V(I16x8ShrU, 0xe552, _) \ 399 V(I8x16ExtractLane, 0xe558, _) \ 400 V(I8x16ReplaceLane, 0xe559, _) \ 401 V(I8x16Shl, 0xe562, _) \ 402 V(I8x16ShrS, 0xe563, _) \ 403 V(I8x16ShrU, 0xe571, _) 404 405 #define FOREACH_ATOMIC_OPCODE(V) \ 406 V(I32AtomicAdd8S, 0xe601, i_ii) \ 407 V(I32AtomicAdd8U, 0xe602, i_ii) \ 408 V(I32AtomicAdd16S, 0xe603, i_ii) \ 409 V(I32AtomicAdd16U, 0xe604, i_ii) \ 410 V(I32AtomicAdd, 0xe605, i_ii) \ 411 V(I32AtomicAnd8S, 0xe606, i_ii) \ 412 V(I32AtomicAnd8U, 0xe607, i_ii) \ 413 V(I32AtomicAnd16S, 0xe608, i_ii) \ 414 V(I32AtomicAnd16U, 0xe609, i_ii) \ 415 V(I32AtomicAnd, 0xe60a, i_ii) \ 416 V(I32AtomicCompareExchange8S, 0xe60b, i_ii) \ 417 V(I32AtomicCompareExchange8U, 0xe60c, i_ii) \ 418 V(I32AtomicCompareExchange16S, 0xe60d, i_ii) \ 419 V(I32AtomicCompareExchange16U, 0xe60e, i_ii) \ 420 V(I32AtomicCompareExchange, 0xe60f, i_ii) \ 421 V(I32AtomicExchange8S, 0xe610, i_ii) \ 422 V(I32AtomicExchange8U, 0xe611, i_ii) \ 423 V(I32AtomicExchange16S, 0xe612, i_ii) \ 424 V(I32AtomicExchange16U, 0xe613, i_ii) \ 425 V(I32AtomicExchange, 0xe614, i_ii) \ 426 V(I32AtomicOr8S, 0xe615, i_ii) \ 427 V(I32AtomicOr8U, 0xe616, i_ii) \ 428 V(I32AtomicOr16S, 0xe617, i_ii) \ 429 V(I32AtomicOr16U, 0xe618, i_ii) \ 430 V(I32AtomicOr, 0xe619, i_ii) \ 431 V(I32AtomicSub8S, 0xe61a, i_ii) \ 432 V(I32AtomicSub8U, 0xe61b, i_ii) \ 433 V(I32AtomicSub16S, 0xe61c, i_ii) \ 434 V(I32AtomicSub16U, 0xe61d, i_ii) \ 435 V(I32AtomicSub, 0xe61e, i_ii) \ 436 V(I32AtomicXor8S, 0xe61f, i_ii) \ 437 V(I32AtomicXor8U, 0xe620, i_ii) \ 438 V(I32AtomicXor16S, 0xe621, i_ii) \ 439 V(I32AtomicXor16U, 0xe622, i_ii) \ 440 V(I32AtomicXor, 0xe623, i_ii) 441 442 // All opcodes. 443 #define FOREACH_OPCODE(V) \ 444 FOREACH_CONTROL_OPCODE(V) \ 445 FOREACH_MISC_OPCODE(V) \ 446 FOREACH_SIMPLE_OPCODE(V) \ 447 FOREACH_STORE_MEM_OPCODE(V) \ 448 FOREACH_LOAD_MEM_OPCODE(V) \ 449 FOREACH_MISC_MEM_OPCODE(V) \ 450 FOREACH_ASMJS_COMPAT_OPCODE(V) \ 451 FOREACH_SIMD_0_OPERAND_OPCODE(V) \ 452 FOREACH_SIMD_1_OPERAND_OPCODE(V) \ 453 FOREACH_ATOMIC_OPCODE(V) 454 455 // All signatures. 456 #define FOREACH_SIGNATURE(V) \ 457 FOREACH_SIMD_SIGNATURE(V) \ 458 V(i_ii, kWasmI32, kWasmI32, kWasmI32) \ 459 V(i_i, kWasmI32, kWasmI32) \ 460 V(i_v, kWasmI32) \ 461 V(i_ff, kWasmI32, kWasmF32, kWasmF32) \ 462 V(i_f, kWasmI32, kWasmF32) \ 463 V(i_dd, kWasmI32, kWasmF64, kWasmF64) \ 464 V(i_d, kWasmI32, kWasmF64) \ 465 V(i_l, kWasmI32, kWasmI64) \ 466 V(l_ll, kWasmI64, kWasmI64, kWasmI64) \ 467 V(i_ll, kWasmI32, kWasmI64, kWasmI64) \ 468 V(l_l, kWasmI64, kWasmI64) \ 469 V(l_i, kWasmI64, kWasmI32) \ 470 V(l_f, kWasmI64, kWasmF32) \ 471 V(l_d, kWasmI64, kWasmF64) \ 472 V(f_ff, kWasmF32, kWasmF32, kWasmF32) \ 473 V(f_f, kWasmF32, kWasmF32) \ 474 V(f_d, kWasmF32, kWasmF64) \ 475 V(f_i, kWasmF32, kWasmI32) \ 476 V(f_l, kWasmF32, kWasmI64) \ 477 V(d_dd, kWasmF64, kWasmF64, kWasmF64) \ 478 V(d_d, kWasmF64, kWasmF64) \ 479 V(d_f, kWasmF64, kWasmF32) \ 480 V(d_i, kWasmF64, kWasmI32) \ 481 V(d_l, kWasmF64, kWasmI64) \ 482 V(d_id, kWasmF64, kWasmI32, kWasmF64) \ 483 V(f_if, kWasmF32, kWasmI32, kWasmF32) \ 484 V(l_il, kWasmI64, kWasmI32, kWasmI64) 485 486 #define FOREACH_SIMD_SIGNATURE(V) \ 487 V(s_s, kWasmS128, kWasmS128) \ 488 V(s_f, kWasmS128, kWasmF32) \ 489 V(s_ss, kWasmS128, kWasmS128, kWasmS128) \ 490 V(s1x4_ss, kWasmS1x4, kWasmS128, kWasmS128) \ 491 V(s1x8_ss, kWasmS1x8, kWasmS128, kWasmS128) \ 492 V(s1x16_ss, kWasmS1x16, kWasmS128, kWasmS128) \ 493 V(s_i, kWasmS128, kWasmI32) \ 494 V(s_si, kWasmS128, kWasmS128, kWasmI32) \ 495 V(i_s, kWasmI32, kWasmS128) \ 496 V(s_s1x4ss, kWasmS128, kWasmS1x4, kWasmS128, kWasmS128) \ 497 V(s_s1x8ss, kWasmS128, kWasmS1x8, kWasmS128, kWasmS128) \ 498 V(s_s1x16ss, kWasmS128, kWasmS1x16, kWasmS128, kWasmS128) 499 500 #define FOREACH_PREFIX(V) \ 501 V(Simd, 0xe5) \ 502 V(Atomic, 0xe6) 503 504 enum WasmOpcode { 505 // Declare expression opcodes. 506 #define DECLARE_NAMED_ENUM(name, opcode, sig) kExpr##name = opcode, 507 FOREACH_OPCODE(DECLARE_NAMED_ENUM) 508 #undef DECLARE_NAMED_ENUM 509 #define DECLARE_PREFIX(name, opcode) k##name##Prefix = opcode, 510 FOREACH_PREFIX(DECLARE_PREFIX) 511 #undef DECLARE_PREFIX 512 }; 513 514 // The reason for a trap. 515 #define FOREACH_WASM_TRAPREASON(V) \ 516 V(TrapUnreachable) \ 517 V(TrapMemOutOfBounds) \ 518 V(TrapDivByZero) \ 519 V(TrapDivUnrepresentable) \ 520 V(TrapRemByZero) \ 521 V(TrapFloatUnrepresentable) \ 522 V(TrapFuncInvalid) \ 523 V(TrapFuncSigMismatch) 524 525 enum TrapReason { 526 #define DECLARE_ENUM(name) k##name, 527 FOREACH_WASM_TRAPREASON(DECLARE_ENUM) 528 kTrapCount 529 #undef DECLARE_ENUM 530 }; 531 532 // A collection of opcode-related static methods. 533 class V8_EXPORT_PRIVATE WasmOpcodes { 534 public: 535 static const char* OpcodeName(WasmOpcode opcode); 536 static FunctionSig* Signature(WasmOpcode opcode); 537 static FunctionSig* AsmjsSignature(WasmOpcode opcode); 538 static FunctionSig* AtomicSignature(WasmOpcode opcode); 539 static bool IsPrefixOpcode(WasmOpcode opcode); 540 541 static int TrapReasonToMessageId(TrapReason reason); 542 static const char* TrapReasonMessage(TrapReason reason); 543 MemSize(MachineType type)544 static byte MemSize(MachineType type) { 545 return 1 << ElementSizeLog2Of(type.representation()); 546 } 547 MemSize(ValueType type)548 static byte MemSize(ValueType type) { return 1 << ElementSizeLog2Of(type); } 549 ValueTypeCodeFor(ValueType type)550 static ValueTypeCode ValueTypeCodeFor(ValueType type) { 551 switch (type) { 552 case kWasmI32: 553 return kLocalI32; 554 case kWasmI64: 555 return kLocalI64; 556 case kWasmF32: 557 return kLocalF32; 558 case kWasmF64: 559 return kLocalF64; 560 case kWasmS128: 561 return kLocalS128; 562 case kWasmS1x4: 563 return kLocalS1x4; 564 case kWasmS1x8: 565 return kLocalS1x8; 566 case kWasmS1x16: 567 return kLocalS1x16; 568 case kWasmStmt: 569 return kLocalVoid; 570 default: 571 UNREACHABLE(); 572 return kLocalVoid; 573 } 574 } 575 MachineTypeFor(ValueType type)576 static MachineType MachineTypeFor(ValueType type) { 577 switch (type) { 578 case kWasmI32: 579 return MachineType::Int32(); 580 case kWasmI64: 581 return MachineType::Int64(); 582 case kWasmF32: 583 return MachineType::Float32(); 584 case kWasmF64: 585 return MachineType::Float64(); 586 case kWasmS128: 587 return MachineType::Simd128(); 588 case kWasmS1x4: 589 return MachineType::Simd1x4(); 590 case kWasmS1x8: 591 return MachineType::Simd1x8(); 592 case kWasmS1x16: 593 return MachineType::Simd1x16(); 594 case kWasmStmt: 595 return MachineType::None(); 596 default: 597 UNREACHABLE(); 598 return MachineType::None(); 599 } 600 } 601 ValueTypeFor(MachineType type)602 static ValueType ValueTypeFor(MachineType type) { 603 if (type == MachineType::Int8()) { 604 return kWasmI32; 605 } else if (type == MachineType::Uint8()) { 606 return kWasmI32; 607 } else if (type == MachineType::Int16()) { 608 return kWasmI32; 609 } else if (type == MachineType::Uint16()) { 610 return kWasmI32; 611 } else if (type == MachineType::Int32()) { 612 return kWasmI32; 613 } else if (type == MachineType::Uint32()) { 614 return kWasmI32; 615 } else if (type == MachineType::Int64()) { 616 return kWasmI64; 617 } else if (type == MachineType::Uint64()) { 618 return kWasmI64; 619 } else if (type == MachineType::Float32()) { 620 return kWasmF32; 621 } else if (type == MachineType::Float64()) { 622 return kWasmF64; 623 } else if (type == MachineType::Simd128()) { 624 return kWasmS128; 625 } else if (type == MachineType::Simd1x4()) { 626 return kWasmS1x4; 627 } else if (type == MachineType::Simd1x8()) { 628 return kWasmS1x8; 629 } else if (type == MachineType::Simd1x16()) { 630 return kWasmS1x16; 631 } else { 632 UNREACHABLE(); 633 return kWasmI32; 634 } 635 } 636 LoadStoreOpcodeOf(MachineType type,bool store)637 static WasmOpcode LoadStoreOpcodeOf(MachineType type, bool store) { 638 if (type == MachineType::Int8()) { 639 return store ? kExprI32StoreMem8 : kExprI32LoadMem8S; 640 } else if (type == MachineType::Uint8()) { 641 return store ? kExprI32StoreMem8 : kExprI32LoadMem8U; 642 } else if (type == MachineType::Int16()) { 643 return store ? kExprI32StoreMem16 : kExprI32LoadMem16S; 644 } else if (type == MachineType::Uint16()) { 645 return store ? kExprI32StoreMem16 : kExprI32LoadMem16U; 646 } else if (type == MachineType::Int32()) { 647 return store ? kExprI32StoreMem : kExprI32LoadMem; 648 } else if (type == MachineType::Uint32()) { 649 return store ? kExprI32StoreMem : kExprI32LoadMem; 650 } else if (type == MachineType::Int64()) { 651 return store ? kExprI64StoreMem : kExprI64LoadMem; 652 } else if (type == MachineType::Uint64()) { 653 return store ? kExprI64StoreMem : kExprI64LoadMem; 654 } else if (type == MachineType::Float32()) { 655 return store ? kExprF32StoreMem : kExprF32LoadMem; 656 } else if (type == MachineType::Float64()) { 657 return store ? kExprF64StoreMem : kExprF64LoadMem; 658 } else { 659 UNREACHABLE(); 660 return kExprNop; 661 } 662 } 663 ShortNameOf(ValueType type)664 static char ShortNameOf(ValueType type) { 665 switch (type) { 666 case kWasmI32: 667 return 'i'; 668 case kWasmI64: 669 return 'l'; 670 case kWasmF32: 671 return 'f'; 672 case kWasmF64: 673 return 'd'; 674 case kWasmS128: 675 case kWasmS1x4: 676 case kWasmS1x8: 677 case kWasmS1x16: 678 return 's'; 679 case kWasmStmt: 680 return 'v'; 681 case kWasmVar: 682 return '*'; 683 default: 684 return '?'; 685 } 686 } 687 TypeName(ValueType type)688 static const char* TypeName(ValueType type) { 689 switch (type) { 690 case kWasmI32: 691 return "i32"; 692 case kWasmI64: 693 return "i64"; 694 case kWasmF32: 695 return "f32"; 696 case kWasmF64: 697 return "f64"; 698 case kWasmS128: 699 return "s128"; 700 case kWasmS1x4: 701 return "s1x4"; 702 case kWasmS1x8: 703 return "s1x8"; 704 case kWasmS1x16: 705 return "s1x16"; 706 case kWasmStmt: 707 return "<stmt>"; 708 case kWasmVar: 709 return "<var>"; 710 default: 711 return "<unknown>"; 712 } 713 } 714 }; 715 } // namespace wasm 716 } // namespace internal 717 } // namespace v8 718 719 #endif // V8_WASM_OPCODES_H_ 720