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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" | |
11 | 10 |
12 namespace v8 { | 11 namespace v8 { |
13 namespace internal { | 12 namespace internal { |
14 namespace interpreter { | 13 namespace interpreter { |
15 | 14 |
16 // clang-format off | 15 // clang-format off |
17 const OperandType* const Bytecodes::kOperandTypes[] = { | 16 const OperandType* const Bytecodes::kOperandTypes[] = { |
18 #define ENTRY(Name, ...) BytecodeTraits<__VA_ARGS__>::kOperandTypes, | 17 #define ENTRY(Name, ...) BytecodeTraits<__VA_ARGS__>::kOperandTypes, |
19 BYTECODE_LIST(ENTRY) | 18 BYTECODE_LIST(ENTRY) |
20 #undef ENTRY | 19 #undef ENTRY |
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268 #define CASE(Name, _) \ | 267 #define CASE(Name, _) \ |
269 case OperandType::k##Name: \ | 268 case OperandType::k##Name: \ |
270 return OperandTraits<OperandType::k##Name>::TypeInfoTraits::kIsUnsigned; | 269 return OperandTraits<OperandType::k##Name>::TypeInfoTraits::kIsUnsigned; |
271 OPERAND_TYPE_LIST(CASE) | 270 OPERAND_TYPE_LIST(CASE) |
272 #undef CASE | 271 #undef CASE |
273 } | 272 } |
274 UNREACHABLE(); | 273 UNREACHABLE(); |
275 } | 274 } |
276 | 275 |
277 // static | 276 // 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 | |
303 bool Bytecodes::BytecodeHasHandler(Bytecode bytecode, | 277 bool Bytecodes::BytecodeHasHandler(Bytecode bytecode, |
304 OperandScale operand_scale) { | 278 OperandScale operand_scale) { |
305 return operand_scale == OperandScale::kSingle || | 279 return operand_scale == OperandScale::kSingle || |
306 Bytecodes::IsBytecodeWithScalableOperands(bytecode); | 280 Bytecodes::IsBytecodeWithScalableOperands(bytecode); |
307 } | 281 } |
308 | 282 |
309 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode) { | 283 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode) { |
310 return os << Bytecodes::ToString(bytecode); | 284 return os << Bytecodes::ToString(bytecode); |
311 } | 285 } |
312 | 286 |
313 } // namespace interpreter | 287 } // namespace interpreter |
314 } // namespace internal | 288 } // namespace internal |
315 } // namespace v8 | 289 } // namespace v8 |
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