| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_CPU_DBC_H_ |
| #define VM_CPU_DBC_H_ |
| |
| #include "vm/allocation.h" |
| #include "vm/simulator.h" |
| |
| namespace dart { |
| |
| class HostCPUFeatures: public AllStatic { |
| public: |
| static void InitOnce(); |
| static void Cleanup(); |
| |
| static const char* hardware() { |
| DEBUG_ASSERT(initialized_); |
| return hardware_; |
| } |
| |
| private: |
| static const char* hardware_; |
| #if defined(DEBUG) |
| static bool initialized_; |
| #endif |
| }; |
| |
| class TargetCPUFeatures : public AllStatic { |
| public: |
| static void InitOnce() { |
| HostCPUFeatures::InitOnce(); |
| } |
| static void Cleanup() { |
| HostCPUFeatures::Cleanup(); |
| } |
| |
| static const char* hardware() { |
| return CPU::Id(); |
| } |
| |
| static bool double_truncate_round_supported() { |
| return true; |
| } |
| }; |
| |
| } // namespace dart |
| |
| #endif // VM_CPU_DBC_H_ |