mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 12:24:24 +00:00
8a179fb953
New folder structure (nested under vm/): - compiler/ - jit/ - JIT specific code - aot/ - AOT specific code - backend/ - all middle-end and back-end code (IL, flow graph) - assembler/ - assemblers and disassemblers - frontend/ - front ends (AST -> IL, Kernel -> IL) compiler/README.md would be the documentation root for the compiler pipeline Bug: https://github.com/dart-lang/sdk/issues/30575 Change-Id: I2dfd9688793bff737f7632ddc77fca766875ce36 Reviewed-on: https://dart-review.googlesource.com/2940 Reviewed-by: Vyacheslav Egorov <vegorov@google.com> Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
61 lines
1.5 KiB
C++
61 lines
1.5 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.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::InitOnce() {
|
|
CpuInfo::InitOnce();
|
|
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
|