mirror of
https://github.com/dart-lang/sdk
synced 2024-09-23 01:23:47 +00:00
2fe51715e5
Most new code is in constants_arm64.h and
{assembler,disassembler,simulator}_arm64.{h,cc}
The rest of the CL just #def's out tests, modifies status files,
and adds UNIMPLEMENTED functions, etc.
R=regis@google.com
Review URL: https://codereview.chromium.org//221133002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@34654 260f80e4-7a28-3924-810f-c04153c831b5
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Copyright (c) 2014, 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.
|
|
|
|
#ifndef VM_CPU_ARM64_H_
|
|
#define VM_CPU_ARM64_H_
|
|
|
|
#include "vm/allocation.h"
|
|
#include "vm/simulator.h"
|
|
|
|
namespace dart {
|
|
|
|
// TargetCPUFeatures gives CPU features for the architecture that we are
|
|
// generating code for. HostCPUFeatures gives the CPU features for the
|
|
// architecture that we are actually running on. When the architectures
|
|
// are the same, TargetCPUFeatures will query HostCPUFeatures. When they are
|
|
// different (i.e. we are running in a simulator), HostCPUFeatures will
|
|
// additionally mock the options needed for the target architecture so that
|
|
// they may be altered for testing.
|
|
|
|
class HostCPUFeatures: public AllStatic {
|
|
public:
|
|
static void InitOnce();
|
|
static void Cleanup();
|
|
static const char* hardware() {
|
|
DEBUG_ASSERT(initialized_);
|
|
return hardware_;
|
|
}
|
|
|
|
private:
|
|
static const char* hardware_;
|
|
#if defined(DEBUG)
|
|
static bool initialized_;
|
|
#endif
|
|
};
|
|
|
|
class TargetCPUFeatures : public AllStatic {
|
|
public:
|
|
static void InitOnce() {
|
|
HostCPUFeatures::InitOnce();
|
|
}
|
|
static void Cleanup() {
|
|
HostCPUFeatures::Cleanup();
|
|
}
|
|
static const char* hardware() {
|
|
return HostCPUFeatures::hardware();
|
|
}
|
|
static bool double_truncate_round_supported() {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
} // namespace dart
|
|
|
|
#endif // VM_CPU_ARM64_H_
|