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| 1 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file | 1 // Copyright (c) 2011, 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_IA32) | 6 #if defined(TARGET_ARCH_IA32) | 
| 7 | 7 | 
| 8 #include "vm/cpu.h" | 8 #include "vm/cpu.h" | 
| 9 #include "vm/cpu_ia32.h" | 9 #include "vm/cpu_ia32.h" | 
| 10 | 10 | 
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| 34 const char* HostCPUFeatures::hardware_ = NULL; | 34 const char* HostCPUFeatures::hardware_ = NULL; | 
| 35 #if defined(DEBUG) | 35 #if defined(DEBUG) | 
| 36 bool HostCPUFeatures::initialized_ = false; | 36 bool HostCPUFeatures::initialized_ = false; | 
| 37 #endif | 37 #endif | 
| 38 | 38 | 
| 39 void HostCPUFeatures::InitOnce() { | 39 void HostCPUFeatures::InitOnce() { | 
| 40   CpuInfo::InitOnce(); | 40   CpuInfo::InitOnce(); | 
| 41 | 41 | 
| 42   hardware_ = CpuInfo::GetCpuModel(); | 42   hardware_ = CpuInfo::GetCpuModel(); | 
| 43   sse2_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse2"); | 43   sse2_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse2"); | 
| 44   sse4_1_supported_ = | 44   sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || | 
| 45       CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || | 45                       CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); | 
| 46       CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); |  | 
| 47 | 46 | 
| 48 #if defined(DEBUG) | 47 #if defined(DEBUG) | 
| 49   initialized_ = true; | 48   initialized_ = true; | 
| 50 #endif | 49 #endif | 
| 51 } | 50 } | 
| 52 | 51 | 
| 53 | 52 | 
| 54 void HostCPUFeatures::Cleanup() { | 53 void HostCPUFeatures::Cleanup() { | 
| 55   DEBUG_ASSERT(initialized_); | 54   DEBUG_ASSERT(initialized_); | 
| 56 #if defined(DEBUG) | 55 #if defined(DEBUG) | 
| 57   initialized_ = false; | 56   initialized_ = false; | 
| 58 #endif | 57 #endif | 
| 59   ASSERT(hardware_ != NULL); | 58   ASSERT(hardware_ != NULL); | 
| 60   free(const_cast<char*>(hardware_)); | 59   free(const_cast<char*>(hardware_)); | 
| 61   hardware_ = NULL; | 60   hardware_ = NULL; | 
| 62   CpuInfo::Cleanup(); | 61   CpuInfo::Cleanup(); | 
| 63 } | 62 } | 
| 64 | 63 | 
| 65 }  // namespace dart | 64 }  // namespace dart | 
| 66 | 65 | 
| 67 #endif  // defined TARGET_ARCH_IA32 | 66 #endif  // defined TARGET_ARCH_IA32 | 
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