| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_WASM_OPCODES_H_ |
| #define V8_WASM_OPCODES_H_ |
| |
| #include "src/globals.h" |
| #include "src/machine-type.h" |
| #include "src/runtime/runtime.h" |
| #include "src/signature.h" |
| #include "src/wasm/wasm-constants.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace wasm { |
| |
| // We reuse the internal machine type to represent WebAssembly types. |
| // A typedef improves readability without adding a whole new type system. |
| using ValueType = MachineRepresentation; |
| constexpr ValueType kWasmStmt = MachineRepresentation::kNone; |
| constexpr ValueType kWasmI32 = MachineRepresentation::kWord32; |
| constexpr ValueType kWasmI64 = MachineRepresentation::kWord64; |
| constexpr ValueType kWasmF32 = MachineRepresentation::kFloat32; |
| constexpr ValueType kWasmF64 = MachineRepresentation::kFloat64; |
| constexpr ValueType kWasmS128 = MachineRepresentation::kSimd128; |
| constexpr ValueType kWasmVar = MachineRepresentation::kTagged; |
| |
| using FunctionSig = Signature<ValueType>; |
| std::ostream& operator<<(std::ostream& os, const FunctionSig& function); |
| bool IsJSCompatibleSignature(const FunctionSig* sig); |
| |
| using WasmName = Vector<const char>; |
| |
| // Control expressions and blocks. |
| #define FOREACH_CONTROL_OPCODE(V) \ |
| V(Unreachable, 0x00, _) \ |
| V(Nop, 0x01, _) \ |
| V(Block, 0x02, _) \ |
| V(Loop, 0x03, _) \ |
| V(If, 0x004, _) \ |
| V(Else, 0x05, _) \ |
| V(Try, 0x06, _ /* eh_prototype */) \ |
| V(Catch, 0x07, _ /* eh_prototype */) \ |
| V(Throw, 0x08, _ /* eh_prototype */) \ |
| V(Rethrow, 0x09, _ /* eh_prototype */) \ |
| V(CatchAll, 0x0a, _ /* eh prototype */) \ |
| V(End, 0x0b, _) \ |
| V(Br, 0x0c, _) \ |
| V(BrIf, 0x0d, _) \ |
| V(BrTable, 0x0e, _) \ |
| V(Return, 0x0f, _) |
| |
| // Constants, locals, globals, and calls. |
| #define FOREACH_MISC_OPCODE(V) \ |
| V(CallFunction, 0x10, _) \ |
| V(CallIndirect, 0x11, _) \ |
| V(Drop, 0x1a, _) \ |
| V(Select, 0x1b, _) \ |
| V(GetLocal, 0x20, _) \ |
| V(SetLocal, 0x21, _) \ |
| V(TeeLocal, 0x22, _) \ |
| V(GetGlobal, 0x23, _) \ |
| V(SetGlobal, 0x24, _) \ |
| V(I32Const, 0x41, _) \ |
| V(I64Const, 0x42, _) \ |
| V(F32Const, 0x43, _) \ |
| V(F64Const, 0x44, _) |
| |
| // Load memory expressions. |
| #define FOREACH_LOAD_MEM_OPCODE(V) \ |
| V(I32LoadMem, 0x28, i_i) \ |
| V(I64LoadMem, 0x29, l_i) \ |
| V(F32LoadMem, 0x2a, f_i) \ |
| V(F64LoadMem, 0x2b, d_i) \ |
| V(I32LoadMem8S, 0x2c, i_i) \ |
| V(I32LoadMem8U, 0x2d, i_i) \ |
| V(I32LoadMem16S, 0x2e, i_i) \ |
| V(I32LoadMem16U, 0x2f, i_i) \ |
| V(I64LoadMem8S, 0x30, l_i) \ |
| V(I64LoadMem8U, 0x31, l_i) \ |
| V(I64LoadMem16S, 0x32, l_i) \ |
| V(I64LoadMem16U, 0x33, l_i) \ |
| V(I64LoadMem32S, 0x34, l_i) \ |
| V(I64LoadMem32U, 0x35, l_i) |
| |
| // Store memory expressions. |
| #define FOREACH_STORE_MEM_OPCODE(V) \ |
| V(I32StoreMem, 0x36, v_ii) \ |
| V(I64StoreMem, 0x37, v_il) \ |
| V(F32StoreMem, 0x38, v_if) \ |
| V(F64StoreMem, 0x39, v_id) \ |
| V(I32StoreMem8, 0x3a, v_ii) \ |
| V(I32StoreMem16, 0x3b, v_ii) \ |
| V(I64StoreMem8, 0x3c, v_il) \ |
| V(I64StoreMem16, 0x3d, v_il) \ |
| V(I64StoreMem32, 0x3e, v_il) |
| |
| // Miscellaneous memory expressions |
| #define FOREACH_MISC_MEM_OPCODE(V) \ |
| V(MemorySize, 0x3f, i_v) \ |
| V(GrowMemory, 0x40, i_i) |
| |
| // Expressions with signatures. |
| #define FOREACH_SIMPLE_OPCODE(V) \ |
| V(I32Eqz, 0x45, i_i) \ |
| V(I32Eq, 0x46, i_ii) \ |
| V(I32Ne, 0x47, i_ii) \ |
| V(I32LtS, 0x48, i_ii) \ |
| V(I32LtU, 0x49, i_ii) \ |
| V(I32GtS, 0x4a, i_ii) \ |
| V(I32GtU, 0x4b, i_ii) \ |
| V(I32LeS, 0x4c, i_ii) \ |
| V(I32LeU, 0x4d, i_ii) \ |
| V(I32GeS, 0x4e, i_ii) \ |
| V(I32GeU, 0x4f, i_ii) \ |
| V(I64Eqz, 0x50, i_l) \ |
| V(I64Eq, 0x51, i_ll) \ |
| V(I64Ne, 0x52, i_ll) \ |
| V(I64LtS, 0x53, i_ll) \ |
| V(I64LtU, 0x54, i_ll) \ |
| V(I64GtS, 0x55, i_ll) \ |
| V(I64GtU, 0x56, i_ll) \ |
| V(I64LeS, 0x57, i_ll) \ |
| V(I64LeU, 0x58, i_ll) \ |
| V(I64GeS, 0x59, i_ll) \ |
| V(I64GeU, 0x5a, i_ll) \ |
| V(F32Eq, 0x5b, i_ff) \ |
| V(F32Ne, 0x5c, i_ff) \ |
| V(F32Lt, 0x5d, i_ff) \ |
| V(F32Gt, 0x5e, i_ff) \ |
| V(F32Le, 0x5f, i_ff) \ |
| V(F32Ge, 0x60, i_ff) \ |
| V(F64Eq, 0x61, i_dd) \ |
| V(F64Ne, 0x62, i_dd) \ |
| V(F64Lt, 0x63, i_dd) \ |
| V(F64Gt, 0x64, i_dd) \ |
| V(F64Le, 0x65, i_dd) \ |
| V(F64Ge, 0x66, i_dd) \ |
| V(I32Clz, 0x67, i_i) \ |
| V(I32Ctz, 0x68, i_i) \ |
| V(I32Popcnt, 0x69, i_i) \ |
| V(I32Add, 0x6a, i_ii) \ |
| V(I32Sub, 0x6b, i_ii) \ |
| V(I32Mul, 0x6c, i_ii) \ |
| V(I32DivS, 0x6d, i_ii) \ |
| V(I32DivU, 0x6e, i_ii) \ |
| V(I32RemS, 0x6f, i_ii) \ |
| V(I32RemU, 0x70, i_ii) \ |
| V(I32And, 0x71, i_ii) \ |
| V(I32Ior, 0x72, i_ii) \ |
| V(I32Xor, 0x73, i_ii) \ |
| V(I32Shl, 0x74, i_ii) \ |
| V(I32ShrS, 0x75, i_ii) \ |
| V(I32ShrU, 0x76, i_ii) \ |
| V(I32Rol, 0x77, i_ii) \ |
| V(I32Ror, 0x78, i_ii) \ |
| V(I64Clz, 0x79, l_l) \ |
| V(I64Ctz, 0x7a, l_l) \ |
| V(I64Popcnt, 0x7b, l_l) \ |
| V(I64Add, 0x7c, l_ll) \ |
| V(I64Sub, 0x7d, l_ll) \ |
| V(I64Mul, 0x7e, l_ll) \ |
| V(I64DivS, 0x7f, l_ll) \ |
| V(I64DivU, 0x80, l_ll) \ |
| V(I64RemS, 0x81, l_ll) \ |
| V(I64RemU, 0x82, l_ll) \ |
| V(I64And, 0x83, l_ll) \ |
| V(I64Ior, 0x84, l_ll) \ |
| V(I64Xor, 0x85, l_ll) \ |
| V(I64Shl, 0x86, l_ll) \ |
| V(I64ShrS, 0x87, l_ll) \ |
| V(I64ShrU, 0x88, l_ll) \ |
| V(I64Rol, 0x89, l_ll) \ |
| V(I64Ror, 0x8a, l_ll) \ |
| V(F32Abs, 0x8b, f_f) \ |
| V(F32Neg, 0x8c, f_f) \ |
| V(F32Ceil, 0x8d, f_f) \ |
| V(F32Floor, 0x8e, f_f) \ |
| V(F32Trunc, 0x8f, f_f) \ |
| V(F32NearestInt, 0x90, f_f) \ |
| V(F32Sqrt, 0x91, f_f) \ |
| V(F32Add, 0x92, f_ff) \ |
| V(F32Sub, 0x93, f_ff) \ |
| V(F32Mul, 0x94, f_ff) \ |
| V(F32Div, 0x95, f_ff) \ |
| V(F32Min, 0x96, f_ff) \ |
| V(F32Max, 0x97, f_ff) \ |
| V(F32CopySign, 0x98, f_ff) \ |
| V(F64Abs, 0x99, d_d) \ |
| V(F64Neg, 0x9a, d_d) \ |
| V(F64Ceil, 0x9b, d_d) \ |
| V(F64Floor, 0x9c, d_d) \ |
| V(F64Trunc, 0x9d, d_d) \ |
| V(F64NearestInt, 0x9e, d_d) \ |
| V(F64Sqrt, 0x9f, d_d) \ |
| V(F64Add, 0xa0, d_dd) \ |
| V(F64Sub, 0xa1, d_dd) \ |
| V(F64Mul, 0xa2, d_dd) \ |
| V(F64Div, 0xa3, d_dd) \ |
| V(F64Min, 0xa4, d_dd) \ |
| V(F64Max, 0xa5, d_dd) \ |
| V(F64CopySign, 0xa6, d_dd) \ |
| V(I32ConvertI64, 0xa7, i_l) \ |
| V(I32SConvertF32, 0xa8, i_f) \ |
| V(I32UConvertF32, 0xa9, i_f) \ |
| V(I32SConvertF64, 0xaa, i_d) \ |
| V(I32UConvertF64, 0xab, i_d) \ |
| V(I64SConvertI32, 0xac, l_i) \ |
| V(I64UConvertI32, 0xad, l_i) \ |
| V(I64SConvertF32, 0xae, l_f) \ |
| V(I64UConvertF32, 0xaf, l_f) \ |
| V(I64SConvertF64, 0xb0, l_d) \ |
| V(I64UConvertF64, 0xb1, l_d) \ |
| V(F32SConvertI32, 0xb2, f_i) \ |
| V(F32UConvertI32, 0xb3, f_i) \ |
| V(F32SConvertI64, 0xb4, f_l) \ |
| V(F32UConvertI64, 0xb5, f_l) \ |
| V(F32ConvertF64, 0xb6, f_d) \ |
| V(F64SConvertI32, 0xb7, d_i) \ |
| V(F64UConvertI32, 0xb8, d_i) \ |
| V(F64SConvertI64, 0xb9, d_l) \ |
| V(F64UConvertI64, 0xba, d_l) \ |
| V(F64ConvertF32, 0xbb, d_f) \ |
| V(I32ReinterpretF32, 0xbc, i_f) \ |
| V(I64ReinterpretF64, 0xbd, l_d) \ |
| V(F32ReinterpretI32, 0xbe, f_i) \ |
| V(F64ReinterpretI64, 0xbf, d_l) |
| |
| // For compatibility with Asm.js. |
| #define FOREACH_ASMJS_COMPAT_OPCODE(V) \ |
| V(F64Acos, 0xc2, d_d) \ |
| V(F64Asin, 0xc3, d_d) \ |
| V(F64Atan, 0xc4, d_d) \ |
| V(F64Cos, 0xc5, d_d) \ |
| V(F64Sin, 0xc6, d_d) \ |
| V(F64Tan, 0xc7, d_d) \ |
| V(F64Exp, 0xc8, d_d) \ |
| V(F64Log, 0xc9, d_d) \ |
| V(F64Atan2, 0xca, d_dd) \ |
| V(F64Pow, 0xcb, d_dd) \ |
| V(F64Mod, 0xcc, d_dd) \ |
| V(I32AsmjsDivS, 0xd0, i_ii) \ |
| V(I32AsmjsDivU, 0xd1, i_ii) \ |
| V(I32AsmjsRemS, 0xd2, i_ii) \ |
| V(I32AsmjsRemU, 0xd3, i_ii) \ |
| V(I32AsmjsLoadMem8S, 0xd4, i_i) \ |
| V(I32AsmjsLoadMem8U, 0xd5, i_i) \ |
| V(I32AsmjsLoadMem16S, 0xd6, i_i) \ |
| V(I32AsmjsLoadMem16U, 0xd7, i_i) \ |
| V(I32AsmjsLoadMem, 0xd8, i_i) \ |
| V(F32AsmjsLoadMem, 0xd9, f_i) \ |
| V(F64AsmjsLoadMem, 0xda, d_i) \ |
| V(I32AsmjsStoreMem8, 0xdb, i_ii) \ |
| V(I32AsmjsStoreMem16, 0xdc, i_ii) \ |
| V(I32AsmjsStoreMem, 0xdd, i_ii) \ |
| V(F32AsmjsStoreMem, 0xde, f_if) \ |
| V(F64AsmjsStoreMem, 0xdf, d_id) \ |
| V(I32AsmjsSConvertF32, 0xe0, i_f) \ |
| V(I32AsmjsUConvertF32, 0xe1, i_f) \ |
| V(I32AsmjsSConvertF64, 0xe2, i_d) \ |
| V(I32AsmjsUConvertF64, 0xe3, i_d) |
| |
| #define FOREACH_SIMD_0_OPERAND_OPCODE(V) \ |
| V(F32x4Splat, 0xfd00, s_f) \ |
| V(F32x4Abs, 0xfd03, s_s) \ |
| V(F32x4Neg, 0xfd04, s_s) \ |
| V(F32x4RecipApprox, 0xfd06, s_s) \ |
| V(F32x4RecipSqrtApprox, 0xfd07, s_s) \ |
| V(F32x4Add, 0xfd08, s_ss) \ |
| V(F32x4AddHoriz, 0xfdb9, s_ss) \ |
| V(F32x4Sub, 0xfd09, s_ss) \ |
| V(F32x4Mul, 0xfd0a, s_ss) \ |
| V(F32x4Min, 0xfd0c, s_ss) \ |
| V(F32x4Max, 0xfd0d, s_ss) \ |
| V(F32x4Eq, 0xfd10, s_ss) \ |
| V(F32x4Ne, 0xfd11, s_ss) \ |
| V(F32x4Lt, 0xfd12, s_ss) \ |
| V(F32x4Le, 0xfd13, s_ss) \ |
| V(F32x4Gt, 0xfd14, s_ss) \ |
| V(F32x4Ge, 0xfd15, s_ss) \ |
| V(F32x4SConvertI32x4, 0xfd19, s_s) \ |
| V(F32x4UConvertI32x4, 0xfd1a, s_s) \ |
| V(I32x4Splat, 0xfd1b, s_i) \ |
| V(I32x4Neg, 0xfd1e, s_s) \ |
| V(I32x4Add, 0xfd1f, s_ss) \ |
| V(I32x4AddHoriz, 0xfdba, s_ss) \ |
| V(I32x4Sub, 0xfd20, s_ss) \ |
| V(I32x4Mul, 0xfd21, s_ss) \ |
| V(I32x4MinS, 0xfd22, s_ss) \ |
| V(I32x4MaxS, 0xfd23, s_ss) \ |
| V(I32x4Eq, 0xfd26, s_ss) \ |
| V(I32x4Ne, 0xfd27, s_ss) \ |
| V(I32x4LtS, 0xfd28, s_ss) \ |
| V(I32x4LeS, 0xfd29, s_ss) \ |
| V(I32x4GtS, 0xfd2a, s_ss) \ |
| V(I32x4GeS, 0xfd2b, s_ss) \ |
| V(I32x4SConvertF32x4, 0xfd2f, s_s) \ |
| V(I32x4UConvertF32x4, 0xfd37, s_s) \ |
| V(I32x4SConvertI16x8Low, 0xfd94, s_s) \ |
| V(I32x4SConvertI16x8High, 0xfd95, s_s) \ |
| V(I32x4UConvertI16x8Low, 0xfd96, s_s) \ |
| V(I32x4UConvertI16x8High, 0xfd97, s_s) \ |
| V(I32x4MinU, 0xfd30, s_ss) \ |
| V(I32x4MaxU, 0xfd31, s_ss) \ |
| V(I32x4LtU, 0xfd33, s_ss) \ |
| V(I32x4LeU, 0xfd34, s_ss) \ |
| V(I32x4GtU, 0xfd35, s_ss) \ |
| V(I32x4GeU, 0xfd36, s_ss) \ |
| V(I16x8Splat, 0xfd38, s_i) \ |
| V(I16x8Neg, 0xfd3b, s_s) \ |
| V(I16x8Add, 0xfd3c, s_ss) \ |
| V(I16x8AddSaturateS, 0xfd3d, s_ss) \ |
| V(I16x8AddHoriz, 0xfdbb, s_ss) \ |
| V(I16x8Sub, 0xfd3e, s_ss) \ |
| V(I16x8SubSaturateS, 0xfd3f, s_ss) \ |
| V(I16x8Mul, 0xfd40, s_ss) \ |
| V(I16x8MinS, 0xfd41, s_ss) \ |
| V(I16x8MaxS, 0xfd42, s_ss) \ |
| V(I16x8Eq, 0xfd45, s_ss) \ |
| V(I16x8Ne, 0xfd46, s_ss) \ |
| V(I16x8LtS, 0xfd47, s_ss) \ |
| V(I16x8LeS, 0xfd48, s_ss) \ |
| V(I16x8GtS, 0xfd49, s_ss) \ |
| V(I16x8GeS, 0xfd4a, s_ss) \ |
| V(I16x8AddSaturateU, 0xfd4e, s_ss) \ |
| V(I16x8SubSaturateU, 0xfd4f, s_ss) \ |
| V(I16x8MinU, 0xfd50, s_ss) \ |
| V(I16x8MaxU, 0xfd51, s_ss) \ |
| V(I16x8LtU, 0xfd53, s_ss) \ |
| V(I16x8LeU, 0xfd54, s_ss) \ |
| V(I16x8GtU, 0xfd55, s_ss) \ |
| V(I16x8GeU, 0xfd56, s_ss) \ |
| V(I16x8SConvertI32x4, 0xfd98, s_ss) \ |
| V(I16x8UConvertI32x4, 0xfd99, s_ss) \ |
| V(I16x8SConvertI8x16Low, 0xfd9a, s_s) \ |
| V(I16x8SConvertI8x16High, 0xfd9b, s_s) \ |
| V(I16x8UConvertI8x16Low, 0xfd9c, s_s) \ |
| V(I16x8UConvertI8x16High, 0xfd9d, s_s) \ |
| V(I8x16Splat, 0xfd57, s_i) \ |
| V(I8x16Neg, 0xfd5a, s_s) \ |
| V(I8x16Add, 0xfd5b, s_ss) \ |
| V(I8x16AddSaturateS, 0xfd5c, s_ss) \ |
| V(I8x16Sub, 0xfd5d, s_ss) \ |
| V(I8x16SubSaturateS, 0xfd5e, s_ss) \ |
| V(I8x16Mul, 0xfd5f, s_ss) \ |
| V(I8x16MinS, 0xfd60, s_ss) \ |
| V(I8x16MaxS, 0xfd61, s_ss) \ |
| V(I8x16Eq, 0xfd64, s_ss) \ |
| V(I8x16Ne, 0xfd65, s_ss) \ |
| V(I8x16LtS, 0xfd66, s_ss) \ |
| V(I8x16LeS, 0xfd67, s_ss) \ |
| V(I8x16GtS, 0xfd68, s_ss) \ |
| V(I8x16GeS, 0xfd69, s_ss) \ |
| V(I8x16AddSaturateU, 0xfd6d, s_ss) \ |
| V(I8x16SubSaturateU, 0xfd6e, s_ss) \ |
| V(I8x16MinU, 0xfd6f, s_ss) \ |
| V(I8x16MaxU, 0xfd70, s_ss) \ |
| V(I8x16LtU, 0xfd72, s_ss) \ |
| V(I8x16LeU, 0xfd73, s_ss) \ |
| V(I8x16GtU, 0xfd74, s_ss) \ |
| V(I8x16GeU, 0xfd75, s_ss) \ |
| V(I8x16SConvertI16x8, 0xfd9e, s_ss) \ |
| V(I8x16UConvertI16x8, 0xfd9f, s_ss) \ |
| V(S128And, 0xfd76, s_ss) \ |
| V(S128Or, 0xfd77, s_ss) \ |
| V(S128Xor, 0xfd78, s_ss) \ |
| V(S128Not, 0xfd79, s_s) \ |
| V(S128Select, 0xfd2c, s_sss) \ |
| V(S1x4AnyTrue, 0xfd84, i_s) \ |
| V(S1x4AllTrue, 0xfd85, i_s) \ |
| V(S1x8AnyTrue, 0xfd8a, i_s) \ |
| V(S1x8AllTrue, 0xfd8b, i_s) \ |
| V(S1x16AnyTrue, 0xfd90, i_s) \ |
| V(S1x16AllTrue, 0xfd91, i_s) |
| |
| #define FOREACH_SIMD_1_OPERAND_OPCODE(V) \ |
| V(F32x4ExtractLane, 0xfd01, _) \ |
| V(F32x4ReplaceLane, 0xfd02, _) \ |
| V(I32x4ExtractLane, 0xfd1c, _) \ |
| V(I32x4ReplaceLane, 0xfd1d, _) \ |
| V(I32x4Shl, 0xfd24, _) \ |
| V(I32x4ShrS, 0xfd25, _) \ |
| V(I32x4ShrU, 0xfd32, _) \ |
| V(I16x8ExtractLane, 0xfd39, _) \ |
| V(I16x8ReplaceLane, 0xfd3a, _) \ |
| V(I16x8Shl, 0xfd43, _) \ |
| V(I16x8ShrS, 0xfd44, _) \ |
| V(I16x8ShrU, 0xfd52, _) \ |
| V(I8x16ExtractLane, 0xfd58, _) \ |
| V(I8x16ReplaceLane, 0xfd59, _) \ |
| V(I8x16Shl, 0xfd62, _) \ |
| V(I8x16ShrS, 0xfd63, _) \ |
| V(I8x16ShrU, 0xfd71, _) |
| |
| #define FOREACH_SIMD_MASK_OPERAND_OPCODE(V) V(S8x16Shuffle, 0xfd6b, s_ss) |
| |
| #define FOREACH_SIMD_MEM_OPCODE(V) \ |
| V(S128LoadMem, 0xfd80, s_i) \ |
| V(S128StoreMem, 0xfd81, v_is) |
| |
| #define FOREACH_NUMERIC_OPCODE(V) \ |
| V(I32SConvertSatF32, 0xfc00, i_f) \ |
| V(I32UConvertSatF32, 0xfc01, i_f) \ |
| V(I32SConvertSatF64, 0xfc02, i_d) \ |
| V(I32UConvertSatF64, 0xfc03, i_d) |
| // TODO(kschimpf): Add remaining i64 numeric opcodes. |
| |
| #define FOREACH_ATOMIC_OPCODE(V) \ |
| V(I32AtomicLoad, 0xfe10, i_i) \ |
| V(I32AtomicLoad8U, 0xfe12, i_i) \ |
| V(I32AtomicLoad16U, 0xfe13, i_i) \ |
| V(I32AtomicStore, 0xfe17, v_ii) \ |
| V(I32AtomicStore8U, 0xfe19, v_ii) \ |
| V(I32AtomicStore16U, 0xfe1a, v_ii) \ |
| V(I32AtomicAdd, 0xfe1e, i_ii) \ |
| V(I32AtomicAdd8U, 0xfe20, i_ii) \ |
| V(I32AtomicAdd16U, 0xfe21, i_ii) \ |
| V(I32AtomicSub, 0xfe25, i_ii) \ |
| V(I32AtomicSub8U, 0xfe27, i_ii) \ |
| V(I32AtomicSub16U, 0xfe28, i_ii) \ |
| V(I32AtomicAnd, 0xfe2c, i_ii) \ |
| V(I32AtomicAnd8U, 0xfe2e, i_ii) \ |
| V(I32AtomicAnd16U, 0xfe2f, i_ii) \ |
| V(I32AtomicOr, 0xfe33, i_ii) \ |
| V(I32AtomicOr8U, 0xfe35, i_ii) \ |
| V(I32AtomicOr16U, 0xfe36, i_ii) \ |
| V(I32AtomicXor, 0xfe3a, i_ii) \ |
| V(I32AtomicXor8U, 0xfe3c, i_ii) \ |
| V(I32AtomicXor16U, 0xfe3d, i_ii) \ |
| V(I32AtomicExchange, 0xfe41, i_ii) \ |
| V(I32AtomicExchange8U, 0xfe43, i_ii) \ |
| V(I32AtomicExchange16U, 0xfe44, i_ii) \ |
| V(I32AtomicCompareExchange, 0xfe48, i_iii) \ |
| V(I32AtomicCompareExchange8U, 0xfe4a, i_iii) \ |
| V(I32AtomicCompareExchange16U, 0xfe4b, i_iii) |
| |
| // All opcodes. |
| #define FOREACH_OPCODE(V) \ |
| FOREACH_CONTROL_OPCODE(V) \ |
| FOREACH_MISC_OPCODE(V) \ |
| FOREACH_SIMPLE_OPCODE(V) \ |
| FOREACH_STORE_MEM_OPCODE(V) \ |
| FOREACH_LOAD_MEM_OPCODE(V) \ |
| FOREACH_MISC_MEM_OPCODE(V) \ |
| FOREACH_ASMJS_COMPAT_OPCODE(V) \ |
| FOREACH_SIMD_0_OPERAND_OPCODE(V) \ |
| FOREACH_SIMD_1_OPERAND_OPCODE(V) \ |
| FOREACH_SIMD_MASK_OPERAND_OPCODE(V) \ |
| FOREACH_SIMD_MEM_OPCODE(V) \ |
| FOREACH_ATOMIC_OPCODE(V) \ |
| FOREACH_NUMERIC_OPCODE(V) |
| |
| // All signatures. |
| #define FOREACH_SIGNATURE(V) \ |
| FOREACH_SIMD_SIGNATURE(V) \ |
| V(i_ii, kWasmI32, kWasmI32, kWasmI32) \ |
| V(i_i, kWasmI32, kWasmI32) \ |
| V(i_v, kWasmI32) \ |
| V(i_ff, kWasmI32, kWasmF32, kWasmF32) \ |
| V(i_f, kWasmI32, kWasmF32) \ |
| V(i_dd, kWasmI32, kWasmF64, kWasmF64) \ |
| V(i_d, kWasmI32, kWasmF64) \ |
| V(i_l, kWasmI32, kWasmI64) \ |
| V(l_ll, kWasmI64, kWasmI64, kWasmI64) \ |
| V(i_ll, kWasmI32, kWasmI64, kWasmI64) \ |
| V(l_l, kWasmI64, kWasmI64) \ |
| V(l_i, kWasmI64, kWasmI32) \ |
| V(l_f, kWasmI64, kWasmF32) \ |
| V(l_d, kWasmI64, kWasmF64) \ |
| V(f_ff, kWasmF32, kWasmF32, kWasmF32) \ |
| V(f_f, kWasmF32, kWasmF32) \ |
| V(f_d, kWasmF32, kWasmF64) \ |
| V(f_i, kWasmF32, kWasmI32) \ |
| V(f_l, kWasmF32, kWasmI64) \ |
| V(d_dd, kWasmF64, kWasmF64, kWasmF64) \ |
| V(d_d, kWasmF64, kWasmF64) \ |
| V(d_f, kWasmF64, kWasmF32) \ |
| V(d_i, kWasmF64, kWasmI32) \ |
| V(d_l, kWasmF64, kWasmI64) \ |
| V(v_ii, kWasmStmt, kWasmI32, kWasmI32) \ |
| V(v_id, kWasmStmt, kWasmI32, kWasmF64) \ |
| V(d_id, kWasmF64, kWasmI32, kWasmF64) \ |
| V(v_if, kWasmStmt, kWasmI32, kWasmF32) \ |
| V(f_if, kWasmF32, kWasmI32, kWasmF32) \ |
| V(v_il, kWasmI64, kWasmI32, kWasmI64) \ |
| V(i_iii, kWasmI32, kWasmI32, kWasmI32, kWasmI32) |
| |
| #define FOREACH_SIMD_SIGNATURE(V) \ |
| V(s_s, kWasmS128, kWasmS128) \ |
| V(s_f, kWasmS128, kWasmF32) \ |
| V(s_ss, kWasmS128, kWasmS128, kWasmS128) \ |
| V(s_i, kWasmS128, kWasmI32) \ |
| V(s_si, kWasmS128, kWasmS128, kWasmI32) \ |
| V(i_s, kWasmI32, kWasmS128) \ |
| V(s_sss, kWasmS128, kWasmS128, kWasmS128, kWasmS128) |
| |
| #define FOREACH_PREFIX(V) \ |
| V(Numeric, 0xfc) \ |
| V(Simd, 0xfd) \ |
| V(Atomic, 0xfe) |
| |
| enum WasmOpcode { |
| // Declare expression opcodes. |
| #define DECLARE_NAMED_ENUM(name, opcode, sig) kExpr##name = opcode, |
| FOREACH_OPCODE(DECLARE_NAMED_ENUM) |
| #undef DECLARE_NAMED_ENUM |
| #define DECLARE_PREFIX(name, opcode) k##name##Prefix = opcode, |
| FOREACH_PREFIX(DECLARE_PREFIX) |
| #undef DECLARE_PREFIX |
| }; |
| |
| // The reason for a trap. |
| #define FOREACH_WASM_TRAPREASON(V) \ |
| V(TrapUnreachable) \ |
| V(TrapMemOutOfBounds) \ |
| V(TrapDivByZero) \ |
| V(TrapDivUnrepresentable) \ |
| V(TrapRemByZero) \ |
| V(TrapFloatUnrepresentable) \ |
| V(TrapFuncInvalid) \ |
| V(TrapFuncSigMismatch) |
| |
| enum TrapReason { |
| #define DECLARE_ENUM(name) k##name, |
| FOREACH_WASM_TRAPREASON(DECLARE_ENUM) |
| kTrapCount |
| #undef DECLARE_ENUM |
| }; |
| |
| // TODO(clemensh): Compute memtype and size from ValueType once we have c++14 |
| // constexpr support. |
| #define FOREACH_LOAD_TYPE(V) \ |
| V(I32, , Int32, 2) \ |
| V(I32, 8S, Int8, 0) \ |
| V(I32, 8U, Uint8, 0) \ |
| V(I32, 16S, Int16, 1) \ |
| V(I32, 16U, Uint16, 1) \ |
| V(I64, , Int64, 3) \ |
| V(I64, 8S, Int8, 0) \ |
| V(I64, 8U, Uint8, 0) \ |
| V(I64, 16S, Int16, 1) \ |
| V(I64, 16U, Uint16, 1) \ |
| V(I64, 32S, Int32, 2) \ |
| V(I64, 32U, Uint32, 2) \ |
| V(F32, , Float32, 2) \ |
| V(F64, , Float64, 3) \ |
| V(S128, , Simd128, 4) |
| |
| class LoadType { |
| public: |
| enum LoadTypeValue : uint8_t { |
| #define DEF_ENUM(type, suffix, ...) k##type##Load##suffix, |
| FOREACH_LOAD_TYPE(DEF_ENUM) |
| #undef DEF_ENUM |
| }; |
| |
| // Allow implicit convertion of the enum value to this wrapper. |
| constexpr LoadType(LoadTypeValue val) // NOLINT(runtime/explicit) |
| : val_(val) {} |
| |
| constexpr LoadTypeValue value() const { return val_; } |
| constexpr unsigned size_log_2() const { return kLoadSizeLog2[val_]; } |
| constexpr unsigned size() const { return 1 << size_log_2(); } |
| constexpr ValueType value_type() const { return kValueType[val_]; } |
| constexpr MachineType mem_type() const { return kMemType[val_]; } |
| |
| private: |
| const LoadTypeValue val_; |
| |
| static constexpr uint8_t kLoadSizeLog2[] = { |
| #define LOAD_SIZE(_, __, ___, size) size, |
| FOREACH_LOAD_TYPE(LOAD_SIZE) |
| #undef LOAD_SIZE |
| }; |
| |
| static constexpr ValueType kValueType[] = { |
| #define VALUE_TYPE(type, ...) kWasm##type, |
| FOREACH_LOAD_TYPE(VALUE_TYPE) |
| #undef VALUE_TYPE |
| }; |
| |
| static constexpr MachineType kMemType[] = { |
| #define MEMTYPE(_, __, memtype, ___) MachineType::memtype(), |
| FOREACH_LOAD_TYPE(MEMTYPE) |
| #undef MEMTYPE |
| }; |
| }; |
| |
| #define FOREACH_STORE_TYPE(V) \ |
| V(I32, , Word32, 2) \ |
| V(I32, 8, Word8, 0) \ |
| V(I32, 16, Word16, 1) \ |
| V(I64, , Word64, 3) \ |
| V(I64, 8, Word8, 0) \ |
| V(I64, 16, Word16, 1) \ |
| V(I64, 32, Word32, 2) \ |
| V(F32, , Float32, 2) \ |
| V(F64, , Float64, 3) \ |
| V(S128, , Simd128, 4) |
| |
| class StoreType { |
| public: |
| enum StoreTypeValue : uint8_t { |
| #define DEF_ENUM(type, suffix, ...) k##type##Store##suffix, |
| FOREACH_STORE_TYPE(DEF_ENUM) |
| #undef DEF_ENUM |
| }; |
| |
| // Allow implicit convertion of the enum value to this wrapper. |
| constexpr StoreType(StoreTypeValue val) // NOLINT(runtime/explicit) |
| : val_(val) {} |
| |
| constexpr StoreTypeValue value() const { return val_; } |
| constexpr unsigned size_log_2() const { return kStoreSizeLog2[val_]; } |
| constexpr unsigned size() const { return 1 << size_log_2(); } |
| constexpr ValueType value_type() const { return kValueType[val_]; } |
| constexpr ValueType mem_rep() const { return kMemRep[val_]; } |
| |
| private: |
| const StoreTypeValue val_; |
| |
| static constexpr uint8_t kStoreSizeLog2[] = { |
| #define STORE_SIZE(_, __, ___, size) size, |
| FOREACH_STORE_TYPE(STORE_SIZE) |
| #undef STORE_SIZE |
| }; |
| |
| static constexpr ValueType kValueType[] = { |
| #define VALUE_TYPE(type, ...) kWasm##type, |
| FOREACH_STORE_TYPE(VALUE_TYPE) |
| #undef VALUE_TYPE |
| }; |
| |
| static constexpr MachineRepresentation kMemRep[] = { |
| #define MEMREP(_, __, memrep, ___) MachineRepresentation::k##memrep, |
| FOREACH_STORE_TYPE(MEMREP) |
| #undef MEMREP |
| }; |
| }; |
| |
| // A collection of opcode-related static methods. |
| class V8_EXPORT_PRIVATE WasmOpcodes { |
| public: |
| static const char* OpcodeName(WasmOpcode opcode); |
| static FunctionSig* Signature(WasmOpcode opcode); |
| static FunctionSig* AsmjsSignature(WasmOpcode opcode); |
| static bool IsPrefixOpcode(WasmOpcode opcode); |
| static bool IsControlOpcode(WasmOpcode opcode); |
| // Check whether the given opcode always jumps, i.e. all instructions after |
| // this one in the current block are dead. Returns false for |end|. |
| static bool IsUnconditionalJump(WasmOpcode opcode); |
| |
| static int TrapReasonToMessageId(TrapReason reason); |
| static const char* TrapReasonMessage(TrapReason reason); |
| |
| static byte MemSize(MachineType type) { |
| return MemSize(type.representation()); |
| } |
| |
| static byte MemSize(ValueType type) { return 1 << ElementSizeLog2Of(type); } |
| |
| static ValueTypeCode ValueTypeCodeFor(ValueType type) { |
| switch (type) { |
| case kWasmI32: |
| return kLocalI32; |
| case kWasmI64: |
| return kLocalI64; |
| case kWasmF32: |
| return kLocalF32; |
| case kWasmF64: |
| return kLocalF64; |
| case kWasmS128: |
| return kLocalS128; |
| case kWasmStmt: |
| return kLocalVoid; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| static MachineType MachineTypeFor(ValueType type) { |
| switch (type) { |
| case kWasmI32: |
| return MachineType::Int32(); |
| case kWasmI64: |
| return MachineType::Int64(); |
| case kWasmF32: |
| return MachineType::Float32(); |
| case kWasmF64: |
| return MachineType::Float64(); |
| case kWasmS128: |
| return MachineType::Simd128(); |
| case kWasmStmt: |
| return MachineType::None(); |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| static ValueType ValueTypeFor(MachineType type) { |
| switch (type.representation()) { |
| case MachineRepresentation::kWord8: |
| case MachineRepresentation::kWord16: |
| case MachineRepresentation::kWord32: |
| return kWasmI32; |
| case MachineRepresentation::kWord64: |
| return kWasmI64; |
| case MachineRepresentation::kFloat32: |
| return kWasmF32; |
| case MachineRepresentation::kFloat64: |
| return kWasmF64; |
| case MachineRepresentation::kSimd128: |
| return kWasmS128; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| static char ShortNameOf(ValueType type) { |
| switch (type) { |
| case kWasmI32: |
| return 'i'; |
| case kWasmI64: |
| return 'l'; |
| case kWasmF32: |
| return 'f'; |
| case kWasmF64: |
| return 'd'; |
| case kWasmS128: |
| return 's'; |
| case kWasmStmt: |
| return 'v'; |
| case kWasmVar: |
| return '*'; |
| default: |
| return '?'; |
| } |
| } |
| |
| static const char* TypeName(ValueType type) { |
| switch (type) { |
| case kWasmI32: |
| return "i32"; |
| case kWasmI64: |
| return "i64"; |
| case kWasmF32: |
| return "f32"; |
| case kWasmF64: |
| return "f64"; |
| case kWasmS128: |
| return "s128"; |
| case kWasmStmt: |
| return "<stmt>"; |
| case kWasmVar: |
| return "<var>"; |
| default: |
| return "<unknown>"; |
| } |
| } |
| }; |
| |
| // Representation of an initializer expression. |
| struct WasmInitExpr { |
| enum WasmInitKind { |
| kNone, |
| kGlobalIndex, |
| kI32Const, |
| kI64Const, |
| kF32Const, |
| kF64Const |
| } kind; |
| |
| union { |
| int32_t i32_const; |
| int64_t i64_const; |
| float f32_const; |
| double f64_const; |
| uint32_t global_index; |
| } val; |
| |
| WasmInitExpr() : kind(kNone) {} |
| explicit WasmInitExpr(int32_t v) : kind(kI32Const) { val.i32_const = v; } |
| explicit WasmInitExpr(int64_t v) : kind(kI64Const) { val.i64_const = v; } |
| explicit WasmInitExpr(float v) : kind(kF32Const) { val.f32_const = v; } |
| explicit WasmInitExpr(double v) : kind(kF64Const) { val.f64_const = v; } |
| WasmInitExpr(WasmInitKind kind, uint32_t global_index) : kind(kGlobalIndex) { |
| val.global_index = global_index; |
| } |
| }; |
| |
| } // namespace wasm |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_WASM_OPCODES_H_ |
