johann/cpu_features
1
0
Fork 0
mirror of https://github.com/google/cpu_features.git synced 2025-07-03 06:03:17 +02:00
Code Issues Releases Wiki Activity

Add REP instructions detection (#282)

Browse Source
This commit is contained in:
Mykola Hohsadze
2022-10-26 17:13:15 +03:00
committed by GitHub
parent 26852665b4
commit bddcc3721c
3 changed files with 43 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
test/cpuinfo_x86_test.cc
View File

@ -1048,6 +1048,29 @@ TEST_F(CpuidX86Test, INTEL_TREMONT_JASPER_LAKE_MOVDR) {
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_ATOM_TMT);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel0090672_AlderLake_LC_BC_CPUID01.txt
TEST_F(CpuidX86Test, INTEL_ALDER_LAKE_REP) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000020, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00090672, 0x00800800, 0x7FFAFBFF, 0xBFEBFBFF}},
{{0x00000007, 0}, Leaf{0x00000001, 0x239CA7EB, 0x98C027AC, 0xFC1CC410}},
{{0x00000007, 1}, Leaf{0x00400810, 0x00000000, 0x00000000, 0x00000000}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_GENUINE_INTEL);
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x97);
EXPECT_TRUE(info.features.erms);
EXPECT_TRUE(info.features.fs_rep_mov);
EXPECT_FALSE(info.features.fz_rep_movsb);
EXPECT_TRUE(info.features.fs_rep_stosb);
EXPECT_FALSE(info.features.fs_rep_cmpsb_scasb);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_ADL);
}
// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0100FA0_K10_Thuban_CPUID.txt
TEST_F(CpuidX86Test, AMD_THUBAN_CACHE_INFO) {
cpu().SetLeaves({