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Add detection LZCNT (#254)

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Fixes #253
This commit is contained in:
Mykola Hohsadze
2022-07-28 13:22:16 +03:00
committed by GitHub
parent 677d6419b2
commit 601471d527
3 changed files with 63 additions and 20 deletions
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48
test/cpuinfo_x86_test.cc
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@ -20,7 +20,7 @@
#include <set>
#if defined(CPU_FEATURES_OS_WINDOWS)
#include "internal/windows_utils.h"
#endif // CPU_FEATURES_OS_WINDOWS
#endif // CPU_FEATURES_OS_WINDOWS
#include "filesystem_for_testing.h"
#include "gtest/gtest.h"
@ -540,6 +540,27 @@ TEST_F(CpuidX86Test, AMD_K15_STREAMROLLER_GODAVARI) {
X86Microarchitecture::AMD_STREAMROLLER);
}
// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0600F12_K15_Zambezi8C_CPUID.txt
TEST_F(CpuidX86Test, AMD_K15_BULLDOZER_ZAMBEZI_ABM) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x00000001, 0}, Leaf{0x00600F12, 0x00080800, 0x1E98220B, 0x178BFBFF}},
{{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
{{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x80000001, 0}, Leaf{0x00600F12, 0x10000000, 0x01C9BFFF, 0x2FD3FBFF}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "AuthenticAMD");
EXPECT_EQ(info.family, 0x15);
EXPECT_EQ(info.model, 0x01);
EXPECT_EQ(GetX86Microarchitecture(&info),
X86Microarchitecture::AMD_BULLDOZER);
EXPECT_TRUE(info.features.lzcnt);
}
// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0700F01_K16_Kabini_CPUID.txt
TEST_F(CpuidX86Test, AMD_K16_JAGUAR_KABINI) {
cpu().SetLeaves({
@ -1110,8 +1131,7 @@ TEST_F(CpuidX86Test, INTEL_CML_U) {
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x8E);
EXPECT_EQ(info.stepping, 0x0C);
EXPECT_EQ(GetX86Microarchitecture(&info),
X86Microarchitecture::INTEL_CML);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_CML);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00A0652_CometLake_CPUID1.txt
@ -1125,8 +1145,26 @@ TEST_F(CpuidX86Test, INTEL_CML_H) {
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0xA5);
EXPECT_EQ(GetX86Microarchitecture(&info),
X86Microarchitecture::INTEL_CML);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_CML);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00306F2_HaswellEP2_CPUID.txt
TEST_F(CpuidX86Test, INTEL_HASWELL_LZCNT) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000F, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x000306F2, 0x00200800, 0x7FFEFBFF, 0xBFEBFBFF}},
{{0x00000007, 0}, Leaf{0x00000000, 0x000037AB, 0x00000000, 0x00000000}},
{{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
{{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000021, 0x2C100000}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x3F);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_HSW);
EXPECT_TRUE(info.features.lzcnt);
}
// https://github.com/google/cpu_features/issues/200