1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/base/cpu.h" 6 #include "testing/gtest/include/gtest/gtest.h" 7 8 namespace v8 { 9 namespace base { 10 11 TEST(CPUTest, FeatureImplications) { 12 CPU cpu; 13 14 // ia32 and x64 features 15 EXPECT_TRUE(!cpu.has_sse() || cpu.has_mmx()); 16 EXPECT_TRUE(!cpu.has_sse2() || cpu.has_sse()); 17 EXPECT_TRUE(!cpu.has_sse3() || cpu.has_sse2()); 18 EXPECT_TRUE(!cpu.has_ssse3() || cpu.has_sse3()); 19 EXPECT_TRUE(!cpu.has_sse41() || cpu.has_sse3()); 20 EXPECT_TRUE(!cpu.has_sse42() || cpu.has_sse41()); 21 22 // arm features 23 EXPECT_TRUE(!cpu.has_vfp3_d32() || cpu.has_vfp3()); 24 } 25 26 27 TEST(CPUTest, RequiredFeatures) { 28 CPU cpu; 29 30 #if V8_HOST_ARCH_ARM 31 EXPECT_TRUE(cpu.has_fpu()); 32 #endif 33 34 #if V8_HOST_ARCH_IA32 35 EXPECT_TRUE(cpu.has_fpu()); 36 EXPECT_TRUE(cpu.has_sahf()); 37 #endif 38 39 #if V8_HOST_ARCH_X64 40 EXPECT_TRUE(cpu.has_fpu()); 41 EXPECT_TRUE(cpu.has_cmov()); 42 EXPECT_TRUE(cpu.has_mmx()); 43 EXPECT_TRUE(cpu.has_sse()); 44 EXPECT_TRUE(cpu.has_sse2()); 45 #endif 46 } 47 48 } // namespace base 49 } // namespace v8 50
