blob: 5445b486168c153fd0b82c4e1925b1c6f4625737 [file] [log] [blame]
// Copyright (c) 2011, 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_IA32)
#include "vm/cpu.h"
#include "vm/assembler.h"
#include "vm/constants_ia32.h"
#include "vm/cpuinfo.h"
#include "vm/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 "ia32";
bool HostCPUFeatures::sse2_supported_ = false;
bool HostCPUFeatures::sse4_1_supported_ = false;
const char* HostCPUFeatures::hardware_ = NULL;
#if defined(DEBUG)
bool HostCPUFeatures::initialized_ = false;
void HostCPUFeatures::InitOnce() {
hardware_ = CpuInfo::GetCpuModel();
sse2_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse2");
sse4_1_supported_ =
CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") ||
CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1");
#if defined(DEBUG)
initialized_ = true;
void HostCPUFeatures::Cleanup() {
#if defined(DEBUG)
initialized_ = false;
ASSERT(hardware_ != NULL);
hardware_ = NULL;
} // namespace dart
#endif // defined TARGET_ARCH_IA32