Zachary Anderson
103881d01c
i.e. #ifndef VM_WHATEVER -> #ifndef RUNTIME_VM_WHATEVER This lets us remove a hack from the PRESUBMIT.py script that existed for reasons that are no longer valid, and sets us up to add some presubmit checks for the GN build. R=asiva@google.com, rmacnak@google.com Review URL: https://codereview.chromium.org/2450713004 .
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_CPU_ARM64_H_
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#define RUNTIME_VM_CPU_ARM64_H_
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#include "vm/allocation.h"
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#include "vm/simulator.h"
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namespace dart {
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// TargetCPUFeatures gives CPU features for the architecture that we are
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// generating code for. HostCPUFeatures gives the CPU features for the
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// architecture that we are actually running on. When the architectures
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// are the same, TargetCPUFeatures will query HostCPUFeatures. When they are
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// different (i.e. we are running in a simulator), HostCPUFeatures will
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// additionally mock the options needed for the target architecture so that
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// they may be altered for testing.
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class HostCPUFeatures: public AllStatic {
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public:
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static void InitOnce();
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static void Cleanup();
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static const char* hardware() {
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DEBUG_ASSERT(initialized_);
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return hardware_;
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}
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private:
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static const char* hardware_;
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#if defined(DEBUG)
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static bool initialized_;
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#endif
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};
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class TargetCPUFeatures : public AllStatic {
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public:
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static void InitOnce() {
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HostCPUFeatures::InitOnce();
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}
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static void Cleanup() {
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HostCPUFeatures::Cleanup();
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}
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static const char* hardware() {
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return HostCPUFeatures::hardware();
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}
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static bool double_truncate_round_supported() {
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return false;
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}
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};
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} // namespace dart
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#endif // RUNTIME_VM_CPU_ARM64_H_
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