Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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) \ |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 25 | kExprBrIf, static_cast<byte>(depth), kExprNop, cond |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 26 | #define WASM_BRV(depth, val) kExprBr, static_cast<byte>(depth), val |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 27 | #define WASM_BRV_IF(depth, val, cond) \ |
| 28 | kExprBrIf, static_cast<byte>(depth), val, cond |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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__ |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 107 | #define WASM_CALL_IMPORT(index, ...) \ |
| 108 | kExprCallImport, static_cast<byte>(index), __VA_ARGS__ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 109 | #define WASM_CALL_INDIRECT(index, func, ...) \ |
| 110 | kExprCallIndirect, static_cast<byte>(index), func, __VA_ARGS__ |
| 111 | #define WASM_CALL_FUNCTION0(index) kExprCallFunction, static_cast<byte>(index) |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 112 | #define WASM_CALL_IMPORT0(index) kExprCallImport, static_cast<byte>(index) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 113 | #define WASM_CALL_INDIRECT0(index, func) \ |
| 114 | kExprCallIndirect, static_cast<byte>(index), func |
| 115 | #define WASM_NOT(x) kExprBoolNot, x |
| 116 | |
| 117 | //------------------------------------------------------------------------------ |
| 118 | // Constructs that are composed of multiple bytecodes. |
| 119 | //------------------------------------------------------------------------------ |
| 120 | #define WASM_WHILE(x, y) kExprLoop, 1, kExprIf, x, kExprBr, 0, y |
| 121 | #define WASM_INC_LOCAL(index) \ |
| 122 | kExprSetLocal, static_cast<byte>(index), kExprI32Add, kExprGetLocal, \ |
| 123 | static_cast<byte>(index), kExprI8Const, 1 |
| 124 | #define WASM_INC_LOCAL_BY(index, count) \ |
| 125 | kExprSetLocal, static_cast<byte>(index), kExprI32Add, kExprGetLocal, \ |
| 126 | static_cast<byte>(index), kExprI8Const, static_cast<int8_t>(count) |
| 127 | |
| 128 | #define WASM_UNOP(opcode, x) static_cast<byte>(opcode), x |
| 129 | #define WASM_BINOP(opcode, x, y) static_cast<byte>(opcode), x, y |
| 130 | |
| 131 | //------------------------------------------------------------------------------ |
| 132 | // Int32 operations |
| 133 | //------------------------------------------------------------------------------ |
| 134 | #define WASM_I32_ADD(x, y) kExprI32Add, x, y |
| 135 | #define WASM_I32_SUB(x, y) kExprI32Sub, x, y |
| 136 | #define WASM_I32_MUL(x, y) kExprI32Mul, x, y |
| 137 | #define WASM_I32_DIVS(x, y) kExprI32DivS, x, y |
| 138 | #define WASM_I32_DIVU(x, y) kExprI32DivU, x, y |
| 139 | #define WASM_I32_REMS(x, y) kExprI32RemS, x, y |
| 140 | #define WASM_I32_REMU(x, y) kExprI32RemU, x, y |
| 141 | #define WASM_I32_AND(x, y) kExprI32And, x, y |
| 142 | #define WASM_I32_IOR(x, y) kExprI32Ior, x, y |
| 143 | #define WASM_I32_XOR(x, y) kExprI32Xor, x, y |
| 144 | #define WASM_I32_SHL(x, y) kExprI32Shl, x, y |
| 145 | #define WASM_I32_SHR(x, y) kExprI32ShrU, x, y |
| 146 | #define WASM_I32_SAR(x, y) kExprI32ShrS, x, y |
| 147 | #define WASM_I32_EQ(x, y) kExprI32Eq, x, y |
| 148 | #define WASM_I32_NE(x, y) kExprI32Ne, x, y |
| 149 | #define WASM_I32_LTS(x, y) kExprI32LtS, x, y |
| 150 | #define WASM_I32_LES(x, y) kExprI32LeS, x, y |
| 151 | #define WASM_I32_LTU(x, y) kExprI32LtU, x, y |
| 152 | #define WASM_I32_LEU(x, y) kExprI32LeU, x, y |
| 153 | #define WASM_I32_GTS(x, y) kExprI32GtS, x, y |
| 154 | #define WASM_I32_GES(x, y) kExprI32GeS, x, y |
| 155 | #define WASM_I32_GTU(x, y) kExprI32GtU, x, y |
| 156 | #define WASM_I32_GEU(x, y) kExprI32GeU, x, y |
| 157 | #define WASM_I32_CLZ(x) kExprI32Clz, x |
| 158 | #define WASM_I32_CTZ(x) kExprI32Ctz, x |
| 159 | #define WASM_I32_POPCNT(x) kExprI32Popcnt, x |
| 160 | |
| 161 | //------------------------------------------------------------------------------ |
| 162 | // Int64 operations |
| 163 | //------------------------------------------------------------------------------ |
| 164 | #define WASM_I64_ADD(x, y) kExprI64Add, x, y |
| 165 | #define WASM_I64_SUB(x, y) kExprI64Sub, x, y |
| 166 | #define WASM_I64_MUL(x, y) kExprI64Mul, x, y |
| 167 | #define WASM_I64_DIVS(x, y) kExprI64DivS, x, y |
| 168 | #define WASM_I64_DIVU(x, y) kExprI64DivU, x, y |
| 169 | #define WASM_I64_REMS(x, y) kExprI64RemS, x, y |
| 170 | #define WASM_I64_REMU(x, y) kExprI64RemU, x, y |
| 171 | #define WASM_I64_AND(x, y) kExprI64And, x, y |
| 172 | #define WASM_I64_IOR(x, y) kExprI64Ior, x, y |
| 173 | #define WASM_I64_XOR(x, y) kExprI64Xor, x, y |
| 174 | #define WASM_I64_SHL(x, y) kExprI64Shl, x, y |
| 175 | #define WASM_I64_SHR(x, y) kExprI64ShrU, x, y |
| 176 | #define WASM_I64_SAR(x, y) kExprI64ShrS, x, y |
| 177 | #define WASM_I64_EQ(x, y) kExprI64Eq, x, y |
| 178 | #define WASM_I64_NE(x, y) kExprI64Ne, x, y |
| 179 | #define WASM_I64_LTS(x, y) kExprI64LtS, x, y |
| 180 | #define WASM_I64_LES(x, y) kExprI64LeS, x, y |
| 181 | #define WASM_I64_LTU(x, y) kExprI64LtU, x, y |
| 182 | #define WASM_I64_LEU(x, y) kExprI64LeU, x, y |
| 183 | #define WASM_I64_GTS(x, y) kExprI64GtS, x, y |
| 184 | #define WASM_I64_GES(x, y) kExprI64GeS, x, y |
| 185 | #define WASM_I64_GTU(x, y) kExprI64GtU, x, y |
| 186 | #define WASM_I64_GEU(x, y) kExprI64GeU, x, y |
| 187 | #define WASM_I64_CLZ(x) kExprI64Clz, x |
| 188 | #define WASM_I64_CTZ(x) kExprI64Ctz, x |
| 189 | #define WASM_I64_POPCNT(x) kExprI64Popcnt, x |
| 190 | |
| 191 | //------------------------------------------------------------------------------ |
| 192 | // Float32 operations |
| 193 | //------------------------------------------------------------------------------ |
| 194 | #define WASM_F32_ADD(x, y) kExprF32Add, x, y |
| 195 | #define WASM_F32_SUB(x, y) kExprF32Sub, x, y |
| 196 | #define WASM_F32_MUL(x, y) kExprF32Mul, x, y |
| 197 | #define WASM_F32_DIV(x, y) kExprF32Div, x, y |
| 198 | #define WASM_F32_MIN(x, y) kExprF32Min, x, y |
| 199 | #define WASM_F32_MAX(x, y) kExprF32Max, x, y |
| 200 | #define WASM_F32_ABS(x) kExprF32Abs, x |
| 201 | #define WASM_F32_NEG(x) kExprF32Neg, x |
| 202 | #define WASM_F32_COPYSIGN(x, y) kExprF32CopySign, x, y |
| 203 | #define WASM_F32_CEIL(x) kExprF32Ceil, x |
| 204 | #define WASM_F32_FLOOR(x) kExprF32Floor, x |
| 205 | #define WASM_F32_TRUNC(x) kExprF32Trunc, x |
| 206 | #define WASM_F32_NEARESTINT(x) kExprF32NearestInt, x |
| 207 | #define WASM_F32_SQRT(x) kExprF32Sqrt, x |
| 208 | #define WASM_F32_EQ(x, y) kExprF32Eq, x, y |
| 209 | #define WASM_F32_NE(x, y) kExprF32Ne, x, y |
| 210 | #define WASM_F32_LT(x, y) kExprF32Lt, x, y |
| 211 | #define WASM_F32_LE(x, y) kExprF32Le, x, y |
| 212 | #define WASM_F32_GT(x, y) kExprF32Gt, x, y |
| 213 | #define WASM_F32_GE(x, y) kExprF32Ge, x, y |
| 214 | |
| 215 | //------------------------------------------------------------------------------ |
| 216 | // Float64 operations |
| 217 | //------------------------------------------------------------------------------ |
| 218 | #define WASM_F64_ADD(x, y) kExprF64Add, x, y |
| 219 | #define WASM_F64_SUB(x, y) kExprF64Sub, x, y |
| 220 | #define WASM_F64_MUL(x, y) kExprF64Mul, x, y |
| 221 | #define WASM_F64_DIV(x, y) kExprF64Div, x, y |
| 222 | #define WASM_F64_MIN(x, y) kExprF64Min, x, y |
| 223 | #define WASM_F64_MAX(x, y) kExprF64Max, x, y |
| 224 | #define WASM_F64_ABS(x) kExprF64Abs, x |
| 225 | #define WASM_F64_NEG(x) kExprF64Neg, x |
| 226 | #define WASM_F64_COPYSIGN(x, y) kExprF64CopySign, x, y |
| 227 | #define WASM_F64_CEIL(x) kExprF64Ceil, x |
| 228 | #define WASM_F64_FLOOR(x) kExprF64Floor, x |
| 229 | #define WASM_F64_TRUNC(x) kExprF64Trunc, x |
| 230 | #define WASM_F64_NEARESTINT(x) kExprF64NearestInt, x |
| 231 | #define WASM_F64_SQRT(x) kExprF64Sqrt, x |
| 232 | #define WASM_F64_EQ(x, y) kExprF64Eq, x, y |
| 233 | #define WASM_F64_NE(x, y) kExprF64Ne, x, y |
| 234 | #define WASM_F64_LT(x, y) kExprF64Lt, x, y |
| 235 | #define WASM_F64_LE(x, y) kExprF64Le, x, y |
| 236 | #define WASM_F64_GT(x, y) kExprF64Gt, x, y |
| 237 | #define WASM_F64_GE(x, y) kExprF64Ge, x, y |
| 238 | |
| 239 | //------------------------------------------------------------------------------ |
| 240 | // Type conversions. |
| 241 | //------------------------------------------------------------------------------ |
| 242 | #define WASM_I32_SCONVERT_F32(x) kExprI32SConvertF32, x |
| 243 | #define WASM_I32_SCONVERT_F64(x) kExprI32SConvertF64, x |
| 244 | #define WASM_I32_UCONVERT_F32(x) kExprI32UConvertF32, x |
| 245 | #define WASM_I32_UCONVERT_F64(x) kExprI32UConvertF64, x |
| 246 | #define WASM_I32_CONVERT_I64(x) kExprI32ConvertI64, x |
| 247 | #define WASM_I64_SCONVERT_F32(x) kExprI64SConvertF32, x |
| 248 | #define WASM_I64_SCONVERT_F64(x) kExprI64SConvertF64, x |
| 249 | #define WASM_I64_UCONVERT_F32(x) kExprI64UConvertF32, x |
| 250 | #define WASM_I64_UCONVERT_F64(x) kExprI64UConvertF64, x |
| 251 | #define WASM_I64_SCONVERT_I32(x) kExprI64SConvertI32, x |
| 252 | #define WASM_I64_UCONVERT_I32(x) kExprI64UConvertI32, x |
| 253 | #define WASM_F32_SCONVERT_I32(x) kExprF32SConvertI32, x |
| 254 | #define WASM_F32_UCONVERT_I32(x) kExprF32UConvertI32, x |
| 255 | #define WASM_F32_SCONVERT_I64(x) kExprF32SConvertI64, x |
| 256 | #define WASM_F32_UCONVERT_I64(x) kExprF32UConvertI64, x |
| 257 | #define WASM_F32_CONVERT_F64(x) kExprF32ConvertF64, x |
| 258 | #define WASM_F32_REINTERPRET_I32(x) kExprF32ReinterpretI32, x |
| 259 | #define WASM_F64_SCONVERT_I32(x) kExprF64SConvertI32, x |
| 260 | #define WASM_F64_UCONVERT_I32(x) kExprF64UConvertI32, x |
| 261 | #define WASM_F64_SCONVERT_I64(x) kExprF64SConvertI64, x |
| 262 | #define WASM_F64_UCONVERT_I64(x) kExprF64UConvertI64, x |
| 263 | #define WASM_F64_CONVERT_F32(x) kExprF64ConvertF32, x |
| 264 | #define WASM_F64_REINTERPRET_I64(x) kExprF64ReinterpretI64, x |
| 265 | #define WASM_I32_REINTERPRET_F32(x) kExprI32ReinterpretF32, x |
| 266 | #define WASM_I64_REINTERPRET_F64(x) kExprI64ReinterpretF64, x |
| 267 | |
| 268 | #endif // V8_WASM_MACRO_GEN_H_ |