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1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/interpreter/bytecodes.h" | 5 #include "src/interpreter/bytecodes.h" |
6 | 6 |
7 #include <iomanip> | 7 #include <iomanip> |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/interpreter/bytecode-traits.h" | 10 #include "src/interpreter/bytecode-traits.h" |
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48 }; | 48 }; |
49 | 49 |
50 const OperandSize* const Bytecodes::kOperandSizes[][3] = { | 50 const OperandSize* const Bytecodes::kOperandSizes[][3] = { |
51 #define ENTRY(Name, ...) \ | 51 #define ENTRY(Name, ...) \ |
52 { BytecodeTraits<__VA_ARGS__>::kSingleScaleOperandSizes, \ | 52 { BytecodeTraits<__VA_ARGS__>::kSingleScaleOperandSizes, \ |
53 BytecodeTraits<__VA_ARGS__>::kDoubleScaleOperandSizes, \ | 53 BytecodeTraits<__VA_ARGS__>::kDoubleScaleOperandSizes, \ |
54 BytecodeTraits<__VA_ARGS__>::kQuadrupleScaleOperandSizes }, | 54 BytecodeTraits<__VA_ARGS__>::kQuadrupleScaleOperandSizes }, |
55 BYTECODE_LIST(ENTRY) | 55 BYTECODE_LIST(ENTRY) |
56 #undef ENTRY | 56 #undef ENTRY |
57 }; | 57 }; |
58 | |
59 const OperandSize Bytecodes::kOperandKindSizes[][3] = { | |
60 #define ENTRY(Name, ...) \ | |
61 { OperandScaler<OperandType::k##Name, \ | |
62 OperandScale::kSingle>::kOperandSize, \ | |
63 OperandScaler<OperandType::k##Name, \ | |
64 OperandScale::kDouble>::kOperandSize, \ | |
65 OperandScaler<OperandType::k##Name, \ | |
66 OperandScale::kQuadruple>::kOperandSize }, | |
67 OPERAND_TYPE_LIST(ENTRY) | |
68 #undef ENTRY | |
69 }; | |
70 // clang-format on | 58 // clang-format on |
71 | 59 |
72 // static | 60 // static |
73 const char* Bytecodes::ToString(Bytecode bytecode) { | 61 const char* Bytecodes::ToString(Bytecode bytecode) { |
74 switch (bytecode) { | 62 switch (bytecode) { |
75 #define CASE(Name, ...) \ | 63 #define CASE(Name, ...) \ |
76 case Bytecode::k##Name: \ | 64 case Bytecode::k##Name: \ |
77 return #Name; | 65 return #Name; |
78 BYTECODE_LIST(CASE) | 66 BYTECODE_LIST(CASE) |
79 #undef CASE | 67 #undef CASE |
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280 #define CASE(Name, _) \ | 268 #define CASE(Name, _) \ |
281 case OperandType::k##Name: \ | 269 case OperandType::k##Name: \ |
282 return OperandTraits<OperandType::k##Name>::TypeInfoTraits::kIsUnsigned; | 270 return OperandTraits<OperandType::k##Name>::TypeInfoTraits::kIsUnsigned; |
283 OPERAND_TYPE_LIST(CASE) | 271 OPERAND_TYPE_LIST(CASE) |
284 #undef CASE | 272 #undef CASE |
285 } | 273 } |
286 UNREACHABLE(); | 274 UNREACHABLE(); |
287 } | 275 } |
288 | 276 |
289 // static | 277 // static |
| 278 OperandSize Bytecodes::SizeOfOperand(OperandType operand_type, |
| 279 OperandScale operand_scale) { |
| 280 DCHECK_LE(operand_type, OperandType::kLast); |
| 281 DCHECK_GE(operand_scale, OperandScale::kSingle); |
| 282 DCHECK_LE(operand_scale, OperandScale::kLast); |
| 283 STATIC_ASSERT(static_cast<int>(OperandScale::kQuadruple) == 4 && |
| 284 OperandScale::kLast == OperandScale::kQuadruple); |
| 285 int scale_index = static_cast<int>(operand_scale) >> 1; |
| 286 // clang-format off |
| 287 static const OperandSize kOperandSizes[][3] = { |
| 288 #define ENTRY(Name, ...) \ |
| 289 { OperandScaler<OperandType::k##Name, \ |
| 290 OperandScale::kSingle>::kOperandSize, \ |
| 291 OperandScaler<OperandType::k##Name, \ |
| 292 OperandScale::kDouble>::kOperandSize, \ |
| 293 OperandScaler<OperandType::k##Name, \ |
| 294 OperandScale::kQuadruple>::kOperandSize }, |
| 295 OPERAND_TYPE_LIST(ENTRY) |
| 296 #undef ENTRY |
| 297 }; |
| 298 // clang-format on |
| 299 return kOperandSizes[static_cast<size_t>(operand_type)][scale_index]; |
| 300 } |
| 301 |
| 302 // static |
290 bool Bytecodes::BytecodeHasHandler(Bytecode bytecode, | 303 bool Bytecodes::BytecodeHasHandler(Bytecode bytecode, |
291 OperandScale operand_scale) { | 304 OperandScale operand_scale) { |
292 return operand_scale == OperandScale::kSingle || | 305 return operand_scale == OperandScale::kSingle || |
293 Bytecodes::IsBytecodeWithScalableOperands(bytecode); | 306 Bytecodes::IsBytecodeWithScalableOperands(bytecode); |
294 } | 307 } |
295 | 308 |
296 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode) { | 309 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode) { |
297 return os << Bytecodes::ToString(bytecode); | 310 return os << Bytecodes::ToString(bytecode); |
298 } | 311 } |
299 | 312 |
300 } // namespace interpreter | 313 } // namespace interpreter |
301 } // namespace internal | 314 } // namespace internal |
302 } // namespace v8 | 315 } // namespace v8 |
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