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Fix list_cpu_features.exe does not detect SSE42 on Xeon X5650 (Windows) (#220)

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Mykola Hohsadze
2022-01-31 11:15:17 +02:00
committed by GitHub
parent 2f5a7bf80a
commit f1801f0ca1
6 changed files with 44 additions and 6 deletions
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26
test/cpuinfo_x86_test.cc
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@ -1117,6 +1117,32 @@ TEST_F(CpuidX86Test, INTEL_KNIGHTS_LANDING) {
X86Microarchitecture::INTEL_KNIGHTS_L);
}
// https://github.com/google/cpu_features/issues/200
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00206F2_Eagleton_CPUID.txt
#if defined(CPU_FEATURES_OS_WINDOWS)
TEST_F(CpuidX86Test, WIN_INTEL_WESTMERE_EX) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x000206F2, 0x00400800, 0x02BEE3FF, 0xBFEBFBFF}},
});
const auto info = GetX86Info();
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x2F);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_WSM);
#if (_WIN32_WINNT < 0x0601) // before Win7
EXPECT_FALSE(info.features.ssse3);
EXPECT_FALSE(info.features.sse4_1);
EXPECT_FALSE(info.features.sse4_2);
#else
EXPECT_TRUE(info.features.ssse3);
EXPECT_TRUE(info.features.sse4_1);
EXPECT_TRUE(info.features.sse4_2);
#endif
}
#endif // CPU_FEATURES_OS_WINDOWS
// TODO(user): test what happens when xsave/osxsave are not present.
// TODO(user): test what happens when xmm/ymm/zmm os support are not
// present.