50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/base/cpu.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace base {
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TEST(CPUTest, FeatureImplications) {
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CPU cpu;
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// ia32 and x64 features
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EXPECT_TRUE(!cpu.has_sse() || cpu.has_mmx());
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EXPECT_TRUE(!cpu.has_sse2() || cpu.has_sse());
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EXPECT_TRUE(!cpu.has_sse3() || cpu.has_sse2());
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EXPECT_TRUE(!cpu.has_ssse3() || cpu.has_sse3());
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EXPECT_TRUE(!cpu.has_sse41() || cpu.has_sse3());
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EXPECT_TRUE(!cpu.has_sse42() || cpu.has_sse41());
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// arm features
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EXPECT_TRUE(!cpu.has_vfp3_d32() || cpu.has_vfp3());
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}
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TEST(CPUTest, RequiredFeatures) {
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CPU cpu;
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#if V8_HOST_ARCH_ARM
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EXPECT_TRUE(cpu.has_fpu());
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#endif
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#if V8_HOST_ARCH_IA32
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EXPECT_TRUE(cpu.has_fpu());
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EXPECT_TRUE(cpu.has_sahf());
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#endif
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#if V8_HOST_ARCH_X64
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EXPECT_TRUE(cpu.has_fpu());
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EXPECT_TRUE(cpu.has_cmov());
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EXPECT_TRUE(cpu.has_mmx());
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EXPECT_TRUE(cpu.has_sse());
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EXPECT_TRUE(cpu.has_sse2());
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#endif
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}
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} // namespace base
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} // namespace v8
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