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Quick hack for Zen 4, more Zen 3 detection

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This commit is contained in:
xddxd 2022-09-26 17:06:43 +03:00 committed by kd-11
parent e8f2aa0ae4
commit bc7b2ed172
1 changed files with 7 additions and 1 deletions
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8
lib/Support/Host.cpp
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@ -1038,9 +1038,15 @@ getAMDProcessorTypeAndSubtype(unsigned Family, unsigned Model,
}
break;
case 25:
if (testFeature(X86::FEATURE_AVX512VBMI2)) {
CPU = "icelake-client";
*Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_ICELAKE_CLIENT;
break; // Treat Zen 4 as Ice Lake for AVX512
}
CPU = "znver3";
*Type = X86::AMDFAM19H;
if (Model <= 0x0f) {
if (Model <= 0x0f || Model == 0x21) {
*Subtype = X86::AMDFAM19H_ZNVER3;
break; // 00h-0Fh: Zen3
}