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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
| 6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
| 7 | 7 |
| 8 #include "vm/cpu.h" | 8 #include "vm/cpu.h" |
| 9 #include "vm/cpu_x64.h" | 9 #include "vm/cpu_x64.h" |
| 10 | 10 |
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| 33 bool HostCPUFeatures::sse2_supported_ = true; | 33 bool HostCPUFeatures::sse2_supported_ = true; |
| 34 bool HostCPUFeatures::sse4_1_supported_ = false; | 34 bool HostCPUFeatures::sse4_1_supported_ = false; |
| 35 const char* HostCPUFeatures::hardware_ = NULL; | 35 const char* HostCPUFeatures::hardware_ = NULL; |
| 36 #if defined(DEBUG) | 36 #if defined(DEBUG) |
| 37 bool HostCPUFeatures::initialized_ = false; | 37 bool HostCPUFeatures::initialized_ = false; |
| 38 #endif | 38 #endif |
| 39 | 39 |
| 40 void HostCPUFeatures::InitOnce() { | 40 void HostCPUFeatures::InitOnce() { |
| 41 CpuInfo::InitOnce(); | 41 CpuInfo::InitOnce(); |
| 42 hardware_ = CpuInfo::GetCpuModel(); | 42 hardware_ = CpuInfo::GetCpuModel(); |
| 43 sse4_1_supported_ = | 43 sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || |
| 44 CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || | 44 CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); |
| 45 CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); | |
| 46 | 45 |
| 47 #if defined(DEBUG) | 46 #if defined(DEBUG) |
| 48 initialized_ = true; | 47 initialized_ = true; |
| 49 #endif | 48 #endif |
| 50 } | 49 } |
| 51 | 50 |
| 52 | 51 |
| 53 void HostCPUFeatures::Cleanup() { | 52 void HostCPUFeatures::Cleanup() { |
| 54 DEBUG_ASSERT(initialized_); | 53 DEBUG_ASSERT(initialized_); |
| 55 #if defined(DEBUG) | 54 #if defined(DEBUG) |
| 56 initialized_ = false; | 55 initialized_ = false; |
| 57 #endif | 56 #endif |
| 58 ASSERT(hardware_ != NULL); | 57 ASSERT(hardware_ != NULL); |
| 59 free(const_cast<char*>(hardware_)); | 58 free(const_cast<char*>(hardware_)); |
| 60 hardware_ = NULL; | 59 hardware_ = NULL; |
| 61 CpuInfo::Cleanup(); | 60 CpuInfo::Cleanup(); |
| 62 } | 61 } |
| 63 | 62 |
| 64 } // namespace dart | 63 } // namespace dart |
| 65 | 64 |
| 66 #endif // defined TARGET_ARCH_X64 | 65 #endif // defined TARGET_ARCH_X64 |
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