| // Copyright 2014 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. |
| |
| #include "src/machine-type.h" |
| #include "src/ostreams.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| bool IsSubtype(MachineRepresentation rep1, MachineRepresentation rep2) { |
| if (rep1 == rep2) return true; |
| switch (rep1) { |
| case MachineRepresentation::kTaggedSigned: |
| return rep2 == MachineRepresentation::kTagged; |
| case MachineRepresentation ::kTaggedPointer: |
| return rep2 == MachineRepresentation ::kTagged; |
| default: |
| return false; |
| } |
| } |
| |
| std::ostream& operator<<(std::ostream& os, MachineRepresentation rep) { |
| return os << MachineReprToString(rep); |
| } |
| |
| const char* MachineReprToString(MachineRepresentation rep) { |
| switch (rep) { |
| case MachineRepresentation::kNone: |
| return "kMachNone"; |
| case MachineRepresentation::kBit: |
| return "kRepBit"; |
| case MachineRepresentation::kWord8: |
| return "kRepWord8"; |
| case MachineRepresentation::kWord16: |
| return "kRepWord16"; |
| case MachineRepresentation::kWord32: |
| return "kRepWord32"; |
| case MachineRepresentation::kWord64: |
| return "kRepWord64"; |
| case MachineRepresentation::kFloat32: |
| return "kRepFloat32"; |
| case MachineRepresentation::kFloat64: |
| return "kRepFloat64"; |
| case MachineRepresentation::kSimd128: |
| return "kRepSimd128"; |
| case MachineRepresentation::kTaggedSigned: |
| return "kRepTaggedSigned"; |
| case MachineRepresentation::kTaggedPointer: |
| return "kRepTaggedPointer"; |
| case MachineRepresentation::kTagged: |
| return "kRepTagged"; |
| } |
| UNREACHABLE(); |
| } |
| |
| std::ostream& operator<<(std::ostream& os, MachineSemantic type) { |
| switch (type) { |
| case MachineSemantic::kNone: |
| return os << "kMachNone"; |
| case MachineSemantic::kBool: |
| return os << "kTypeBool"; |
| case MachineSemantic::kInt32: |
| return os << "kTypeInt32"; |
| case MachineSemantic::kUint32: |
| return os << "kTypeUint32"; |
| case MachineSemantic::kInt64: |
| return os << "kTypeInt64"; |
| case MachineSemantic::kUint64: |
| return os << "kTypeUint64"; |
| case MachineSemantic::kNumber: |
| return os << "kTypeNumber"; |
| case MachineSemantic::kAny: |
| return os << "kTypeAny"; |
| } |
| UNREACHABLE(); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, MachineType type) { |
| if (type == MachineType::None()) { |
| return os; |
| } else if (type.representation() == MachineRepresentation::kNone) { |
| return os << type.semantic(); |
| } else if (type.semantic() == MachineSemantic::kNone) { |
| return os << type.representation(); |
| } else { |
| return os << type.representation() << "|" << type.semantic(); |
| } |
| return os; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |