mirror of
https://github.com/dart-lang/sdk
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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>
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
// Copyright (c) 2011, 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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#include "vm/globals.h"
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#if defined(TARGET_ARCH_IA32)
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#include "vm/cpu.h"
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#include "vm/cpu_ia32.h"
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#include "vm/compiler/assembler/assembler.h"
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#include "vm/constants_ia32.h"
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#include "vm/cpuinfo.h"
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#include "vm/heap.h"
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#include "vm/isolate.h"
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#include "vm/object.h"
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namespace dart {
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DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available");
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void CPU::FlushICache(uword start, uword size) {
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// Nothing to be done here.
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}
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const char* CPU::Id() {
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return "ia32";
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}
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bool HostCPUFeatures::sse2_supported_ = false;
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bool HostCPUFeatures::sse4_1_supported_ = false;
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const char* HostCPUFeatures::hardware_ = NULL;
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#if defined(DEBUG)
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bool HostCPUFeatures::initialized_ = false;
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#endif
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void HostCPUFeatures::InitOnce() {
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CpuInfo::InitOnce();
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hardware_ = CpuInfo::GetCpuModel();
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sse2_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse2");
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sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") ||
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CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1");
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#if defined(DEBUG)
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initialized_ = true;
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#endif
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}
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void HostCPUFeatures::Cleanup() {
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DEBUG_ASSERT(initialized_);
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#if defined(DEBUG)
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initialized_ = false;
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#endif
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ASSERT(hardware_ != NULL);
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free(const_cast<char*>(hardware_));
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hardware_ = NULL;
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CpuInfo::Cleanup();
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_IA32
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