Ben Konyi
07852532e3
Change-Id: I6dc02b3d9de16cc176eb97613bc0c7f0bb9b16eb Reviewed-on: https://dart-review.googlesource.com/77013 Commit-Queue: Ben Konyi <bkonyi@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com> Auto-Submit: Ben Konyi <bkonyi@google.com>
62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
// Copyright (c) 2012, 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.
|
|
|
|
#include "vm/globals.h"
|
|
#if defined(TARGET_ARCH_X64)
|
|
|
|
#include "vm/cpu.h"
|
|
#include "vm/cpu_x64.h"
|
|
|
|
#include "vm/compiler/assembler/assembler.h"
|
|
#include "vm/constants_x64.h"
|
|
#include "vm/cpuinfo.h"
|
|
#include "vm/heap/heap.h"
|
|
#include "vm/isolate.h"
|
|
#include "vm/object.h"
|
|
|
|
namespace dart {
|
|
|
|
DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available");
|
|
|
|
void CPU::FlushICache(uword start, uword size) {
|
|
// Nothing to be done here.
|
|
}
|
|
|
|
const char* CPU::Id() {
|
|
return "x64";
|
|
}
|
|
|
|
bool HostCPUFeatures::sse2_supported_ = true;
|
|
bool HostCPUFeatures::sse4_1_supported_ = false;
|
|
const char* HostCPUFeatures::hardware_ = NULL;
|
|
#if defined(DEBUG)
|
|
bool HostCPUFeatures::initialized_ = false;
|
|
#endif
|
|
|
|
void HostCPUFeatures::Init() {
|
|
CpuInfo::Init();
|
|
hardware_ = CpuInfo::GetCpuModel();
|
|
sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") ||
|
|
CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1");
|
|
|
|
#if defined(DEBUG)
|
|
initialized_ = true;
|
|
#endif
|
|
}
|
|
|
|
void HostCPUFeatures::Cleanup() {
|
|
DEBUG_ASSERT(initialized_);
|
|
#if defined(DEBUG)
|
|
initialized_ = false;
|
|
#endif
|
|
ASSERT(hardware_ != NULL);
|
|
free(const_cast<char*>(hardware_));
|
|
hardware_ = NULL;
|
|
CpuInfo::Cleanup();
|
|
}
|
|
|
|
} // namespace dart
|
|
|
|
#endif // defined TARGET_ARCH_X64
|