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_MACRO_GEN_H_ 6 #define V8_WASM_MACRO_GEN_H_ 7 8 #include "src/wasm/wasm-opcodes.h" 9 10 // Convenience macros for building Wasm bytecode directly into a byte array. 11 12 //------------------------------------------------------------------------------ 13 // Control. 14 //------------------------------------------------------------------------------ 15 #define WASM_NOP kExprNop 16 17 #define WASM_BLOCK(count, ...) kExprBlock, static_cast<byte>(count), __VA_ARGS__ 18 #define WASM_INFINITE_LOOP kExprLoop, 1, kExprBr, 0, kExprNop 19 #define WASM_LOOP(count, ...) kExprLoop, static_cast<byte>(count), __VA_ARGS__ 20 #define WASM_IF(cond, tstmt) kExprIf, cond, tstmt 21 #define WASM_IF_ELSE(cond, tstmt, fstmt) kExprIfElse, cond, tstmt, fstmt 22 #define WASM_SELECT(cond, tval, fval) kExprSelect, cond, tval, fval 23 #define WASM_BR(depth) kExprBr, static_cast<byte>(depth), kExprNop 24 #define WASM_BR_IF(depth, cond) \ 25 kExprBrIf, static_cast<byte>(depth), cond, kExprNop 26 #define WASM_BRV(depth, val) kExprBr, static_cast<byte>(depth), val 27 #define WASM_BRV_IF(depth, cond, val) \ 28 kExprBrIf, static_cast<byte>(depth), cond, val 29 #define WASM_BREAK(depth) kExprBr, static_cast<byte>(depth + 1), kExprNop 30 #define WASM_CONTINUE(depth) kExprBr, static_cast<byte>(depth), kExprNop 31 #define WASM_BREAKV(depth, val) kExprBr, static_cast<byte>(depth + 1), val 32 #define WASM_RETURN0 kExprReturn 33 #define WASM_RETURN(...) kExprReturn, __VA_ARGS__ 34 #define WASM_UNREACHABLE kExprUnreachable 35 36 #define WASM_TABLESWITCH_OP(case_count, table_count, ...) \ 37 kExprTableSwitch, static_cast<byte>(case_count), \ 38 static_cast<byte>(case_count >> 8), static_cast<byte>(table_count), \ 39 static_cast<byte>(table_count >> 8), __VA_ARGS__ 40 41 #define WASM_TABLESWITCH_BODY0(key) key 42 43 #define WASM_TABLESWITCH_BODY(key, ...) key, __VA_ARGS__ 44 45 #define WASM_CASE(x) static_cast<byte>(x), static_cast<byte>(x >> 8) 46 #define WASM_CASE_BR(x) static_cast<byte>(x), static_cast<byte>(0x80 | (x) >> 8) 47 48 //------------------------------------------------------------------------------ 49 // Misc expressions. 50 //------------------------------------------------------------------------------ 51 #define WASM_ID(...) __VA_ARGS__ 52 #define WASM_ZERO kExprI8Const, 0 53 #define WASM_ONE kExprI8Const, 1 54 #define WASM_I8(val) kExprI8Const, static_cast<byte>(val) 55 #define WASM_I32(val) \ 56 kExprI32Const, static_cast<byte>(val), static_cast<byte>(val >> 8), \ 57 static_cast<byte>(val >> 16), static_cast<byte>(val >> 24) 58 #define WASM_I64(val) \ 59 kExprI64Const, static_cast<byte>(static_cast<uint64_t>(val)), \ 60 static_cast<byte>(static_cast<uint64_t>(val) >> 8), \ 61 static_cast<byte>(static_cast<uint64_t>(val) >> 16), \ 62 static_cast<byte>(static_cast<uint64_t>(val) >> 24), \ 63 static_cast<byte>(static_cast<uint64_t>(val) >> 32), \ 64 static_cast<byte>(static_cast<uint64_t>(val) >> 40), \ 65 static_cast<byte>(static_cast<uint64_t>(val) >> 48), \ 66 static_cast<byte>(static_cast<uint64_t>(val) >> 56) 67 #define WASM_F32(val) \ 68 kExprF32Const, \ 69 static_cast<byte>(bit_cast<int32_t>(static_cast<float>(val))), \ 70 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 8), \ 71 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 16), \ 72 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 24) 73 #define WASM_F64(val) \ 74 kExprF64Const, static_cast<byte>(bit_cast<uint64_t>(val)), \ 75 static_cast<byte>(bit_cast<uint64_t>(val) >> 8), \ 76 static_cast<byte>(bit_cast<uint64_t>(val) >> 16), \ 77 static_cast<byte>(bit_cast<uint64_t>(val) >> 24), \ 78 static_cast<byte>(bit_cast<uint64_t>(val) >> 32), \ 79 static_cast<byte>(bit_cast<uint64_t>(val) >> 40), \ 80 static_cast<byte>(bit_cast<uint64_t>(val) >> 48), \ 81 static_cast<byte>(bit_cast<uint64_t>(val) >> 56) 82 #define WASM_GET_LOCAL(index) kExprGetLocal, static_cast<byte>(index) 83 #define WASM_SET_LOCAL(index, val) kExprSetLocal, static_cast<byte>(index), val 84 #define WASM_LOAD_GLOBAL(index) kExprLoadGlobal, static_cast<byte>(index) 85 #define WASM_STORE_GLOBAL(index, val) \ 86 kExprStoreGlobal, static_cast<byte>(index), val 87 #define WASM_LOAD_MEM(type, index) \ 88 static_cast<byte>( \ 89 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \ 90 v8::internal::wasm::WasmOpcodes::LoadStoreAccessOf(false), index 91 #define WASM_STORE_MEM(type, index, val) \ 92 static_cast<byte>( \ 93 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \ 94 v8::internal::wasm::WasmOpcodes::LoadStoreAccessOf(false), index, val 95 #define WASM_LOAD_MEM_OFFSET(type, offset, index) \ 96 static_cast<byte>( \ 97 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \ 98 v8::internal::wasm::WasmOpcodes::LoadStoreAccessOf(true), \ 99 static_cast<byte>(offset), index 100 #define WASM_STORE_MEM_OFFSET(type, offset, index, val) \ 101 static_cast<byte>( \ 102 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \ 103 v8::internal::wasm::WasmOpcodes::LoadStoreAccessOf(true), \ 104 static_cast<byte>(offset), index, val 105 #define WASM_CALL_FUNCTION(index, ...) \ 106 kExprCallFunction, static_cast<byte>(index), __VA_ARGS__ 107 #define WASM_CALL_INDIRECT(index, func, ...) \ 108 kExprCallIndirect, static_cast<byte>(index), func, __VA_ARGS__ 109 #define WASM_CALL_FUNCTION0(index) kExprCallFunction, static_cast<byte>(index) 110 #define WASM_CALL_INDIRECT0(index, func) \ 111 kExprCallIndirect, static_cast<byte>(index), func 112 #define WASM_NOT(x) kExprBoolNot, x 113 114 //------------------------------------------------------------------------------ 115 // Constructs that are composed of multiple bytecodes. 116 //------------------------------------------------------------------------------ 117 #define WASM_WHILE(x, y) kExprLoop, 1, kExprIf, x, kExprBr, 0, y 118 #define WASM_INC_LOCAL(index) \ 119 kExprSetLocal, static_cast<byte>(index), kExprI32Add, kExprGetLocal, \ 120 static_cast<byte>(index), kExprI8Const, 1 121 #define WASM_INC_LOCAL_BY(index, count) \ 122 kExprSetLocal, static_cast<byte>(index), kExprI32Add, kExprGetLocal, \ 123 static_cast<byte>(index), kExprI8Const, static_cast<int8_t>(count) 124 125 #define WASM_UNOP(opcode, x) static_cast<byte>(opcode), x 126 #define WASM_BINOP(opcode, x, y) static_cast<byte>(opcode), x, y 127 128 //------------------------------------------------------------------------------ 129 // Int32 operations 130 //------------------------------------------------------------------------------ 131 #define WASM_I32_ADD(x, y) kExprI32Add, x, y 132 #define WASM_I32_SUB(x, y) kExprI32Sub, x, y 133 #define WASM_I32_MUL(x, y) kExprI32Mul, x, y 134 #define WASM_I32_DIVS(x, y) kExprI32DivS, x, y 135 #define WASM_I32_DIVU(x, y) kExprI32DivU, x, y 136 #define WASM_I32_REMS(x, y) kExprI32RemS, x, y 137 #define WASM_I32_REMU(x, y) kExprI32RemU, x, y 138 #define WASM_I32_AND(x, y) kExprI32And, x, y 139 #define WASM_I32_IOR(x, y) kExprI32Ior, x, y 140 #define WASM_I32_XOR(x, y) kExprI32Xor, x, y 141 #define WASM_I32_SHL(x, y) kExprI32Shl, x, y 142 #define WASM_I32_SHR(x, y) kExprI32ShrU, x, y 143 #define WASM_I32_SAR(x, y) kExprI32ShrS, x, y 144 #define WASM_I32_EQ(x, y) kExprI32Eq, x, y 145 #define WASM_I32_NE(x, y) kExprI32Ne, x, y 146 #define WASM_I32_LTS(x, y) kExprI32LtS, x, y 147 #define WASM_I32_LES(x, y) kExprI32LeS, x, y 148 #define WASM_I32_LTU(x, y) kExprI32LtU, x, y 149 #define WASM_I32_LEU(x, y) kExprI32LeU, x, y 150 #define WASM_I32_GTS(x, y) kExprI32GtS, x, y 151 #define WASM_I32_GES(x, y) kExprI32GeS, x, y 152 #define WASM_I32_GTU(x, y) kExprI32GtU, x, y 153 #define WASM_I32_GEU(x, y) kExprI32GeU, x, y 154 #define WASM_I32_CLZ(x) kExprI32Clz, x 155 #define WASM_I32_CTZ(x) kExprI32Ctz, x 156 #define WASM_I32_POPCNT(x) kExprI32Popcnt, x 157 158 //------------------------------------------------------------------------------ 159 // Int64 operations 160 //------------------------------------------------------------------------------ 161 #define WASM_I64_ADD(x, y) kExprI64Add, x, y 162 #define WASM_I64_SUB(x, y) kExprI64Sub, x, y 163 #define WASM_I64_MUL(x, y) kExprI64Mul, x, y 164 #define WASM_I64_DIVS(x, y) kExprI64DivS, x, y 165 #define WASM_I64_DIVU(x, y) kExprI64DivU, x, y 166 #define WASM_I64_REMS(x, y) kExprI64RemS, x, y 167 #define WASM_I64_REMU(x, y) kExprI64RemU, x, y 168 #define WASM_I64_AND(x, y) kExprI64And, x, y 169 #define WASM_I64_IOR(x, y) kExprI64Ior, x, y 170 #define WASM_I64_XOR(x, y) kExprI64Xor, x, y 171 #define WASM_I64_SHL(x, y) kExprI64Shl, x, y 172 #define WASM_I64_SHR(x, y) kExprI64ShrU, x, y 173 #define WASM_I64_SAR(x, y) kExprI64ShrS, x, y 174 #define WASM_I64_EQ(x, y) kExprI64Eq, x, y 175 #define WASM_I64_NE(x, y) kExprI64Ne, x, y 176 #define WASM_I64_LTS(x, y) kExprI64LtS, x, y 177 #define WASM_I64_LES(x, y) kExprI64LeS, x, y 178 #define WASM_I64_LTU(x, y) kExprI64LtU, x, y 179 #define WASM_I64_LEU(x, y) kExprI64LeU, x, y 180 #define WASM_I64_GTS(x, y) kExprI64GtS, x, y 181 #define WASM_I64_GES(x, y) kExprI64GeS, x, y 182 #define WASM_I64_GTU(x, y) kExprI64GtU, x, y 183 #define WASM_I64_GEU(x, y) kExprI64GeU, x, y 184 #define WASM_I64_CLZ(x) kExprI64Clz, x 185 #define WASM_I64_CTZ(x) kExprI64Ctz, x 186 #define WASM_I64_POPCNT(x) kExprI64Popcnt, x 187 188 //------------------------------------------------------------------------------ 189 // Float32 operations 190 //------------------------------------------------------------------------------ 191 #define WASM_F32_ADD(x, y) kExprF32Add, x, y 192 #define WASM_F32_SUB(x, y) kExprF32Sub, x, y 193 #define WASM_F32_MUL(x, y) kExprF32Mul, x, y 194 #define WASM_F32_DIV(x, y) kExprF32Div, x, y 195 #define WASM_F32_MIN(x, y) kExprF32Min, x, y 196 #define WASM_F32_MAX(x, y) kExprF32Max, x, y 197 #define WASM_F32_ABS(x) kExprF32Abs, x 198 #define WASM_F32_NEG(x) kExprF32Neg, x 199 #define WASM_F32_COPYSIGN(x, y) kExprF32CopySign, x, y 200 #define WASM_F32_CEIL(x) kExprF32Ceil, x 201 #define WASM_F32_FLOOR(x) kExprF32Floor, x 202 #define WASM_F32_TRUNC(x) kExprF32Trunc, x 203 #define WASM_F32_NEARESTINT(x) kExprF32NearestInt, x 204 #define WASM_F32_SQRT(x) kExprF32Sqrt, x 205 #define WASM_F32_EQ(x, y) kExprF32Eq, x, y 206 #define WASM_F32_NE(x, y) kExprF32Ne, x, y 207 #define WASM_F32_LT(x, y) kExprF32Lt, x, y 208 #define WASM_F32_LE(x, y) kExprF32Le, x, y 209 #define WASM_F32_GT(x, y) kExprF32Gt, x, y 210 #define WASM_F32_GE(x, y) kExprF32Ge, x, y 211 212 //------------------------------------------------------------------------------ 213 // Float64 operations 214 //------------------------------------------------------------------------------ 215 #define WASM_F64_ADD(x, y) kExprF64Add, x, y 216 #define WASM_F64_SUB(x, y) kExprF64Sub, x, y 217 #define WASM_F64_MUL(x, y) kExprF64Mul, x, y 218 #define WASM_F64_DIV(x, y) kExprF64Div, x, y 219 #define WASM_F64_MIN(x, y) kExprF64Min, x, y 220 #define WASM_F64_MAX(x, y) kExprF64Max, x, y 221 #define WASM_F64_ABS(x) kExprF64Abs, x 222 #define WASM_F64_NEG(x) kExprF64Neg, x 223 #define WASM_F64_COPYSIGN(x, y) kExprF64CopySign, x, y 224 #define WASM_F64_CEIL(x) kExprF64Ceil, x 225 #define WASM_F64_FLOOR(x) kExprF64Floor, x 226 #define WASM_F64_TRUNC(x) kExprF64Trunc, x 227 #define WASM_F64_NEARESTINT(x) kExprF64NearestInt, x 228 #define WASM_F64_SQRT(x) kExprF64Sqrt, x 229 #define WASM_F64_EQ(x, y) kExprF64Eq, x, y 230 #define WASM_F64_NE(x, y) kExprF64Ne, x, y 231 #define WASM_F64_LT(x, y) kExprF64Lt, x, y 232 #define WASM_F64_LE(x, y) kExprF64Le, x, y 233 #define WASM_F64_GT(x, y) kExprF64Gt, x, y 234 #define WASM_F64_GE(x, y) kExprF64Ge, x, y 235 236 //------------------------------------------------------------------------------ 237 // Type conversions. 238 //------------------------------------------------------------------------------ 239 #define WASM_I32_SCONVERT_F32(x) kExprI32SConvertF32, x 240 #define WASM_I32_SCONVERT_F64(x) kExprI32SConvertF64, x 241 #define WASM_I32_UCONVERT_F32(x) kExprI32UConvertF32, x 242 #define WASM_I32_UCONVERT_F64(x) kExprI32UConvertF64, x 243 #define WASM_I32_CONVERT_I64(x) kExprI32ConvertI64, x 244 #define WASM_I64_SCONVERT_F32(x) kExprI64SConvertF32, x 245 #define WASM_I64_SCONVERT_F64(x) kExprI64SConvertF64, x 246 #define WASM_I64_UCONVERT_F32(x) kExprI64UConvertF32, x 247 #define WASM_I64_UCONVERT_F64(x) kExprI64UConvertF64, x 248 #define WASM_I64_SCONVERT_I32(x) kExprI64SConvertI32, x 249 #define WASM_I64_UCONVERT_I32(x) kExprI64UConvertI32, x 250 #define WASM_F32_SCONVERT_I32(x) kExprF32SConvertI32, x 251 #define WASM_F32_UCONVERT_I32(x) kExprF32UConvertI32, x 252 #define WASM_F32_SCONVERT_I64(x) kExprF32SConvertI64, x 253 #define WASM_F32_UCONVERT_I64(x) kExprF32UConvertI64, x 254 #define WASM_F32_CONVERT_F64(x) kExprF32ConvertF64, x 255 #define WASM_F32_REINTERPRET_I32(x) kExprF32ReinterpretI32, x 256 #define WASM_F64_SCONVERT_I32(x) kExprF64SConvertI32, x 257 #define WASM_F64_UCONVERT_I32(x) kExprF64UConvertI32, x 258 #define WASM_F64_SCONVERT_I64(x) kExprF64SConvertI64, x 259 #define WASM_F64_UCONVERT_I64(x) kExprF64UConvertI64, x 260 #define WASM_F64_CONVERT_F32(x) kExprF64ConvertF32, x 261 #define WASM_F64_REINTERPRET_I64(x) kExprF64ReinterpretI64, x 262 #define WASM_I32_REINTERPRET_F32(x) kExprI32ReinterpretF32, x 263 #define WASM_I64_REINTERPRET_F64(x) kExprI64ReinterpretF64, x 264 265 #endif // V8_WASM_MACRO_GEN_H_ 266
