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lib/Support: Detect AVX-512 on Alderlake CPUs

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Ani 2021-11-04 17:28:24 +00:00 committed by Ivan
parent 18f153b33b
commit 747fc0efaa
1 changed files with 9 additions and 1 deletions
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10
lib/Support/Host.cpp
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@ -777,13 +777,21 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
case 0x8d: case 0x8d:
CPU = "tigerlake"; CPU = "tigerlake";
*Type = X86::INTEL_COREI7; *Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_TIGERLAKE;
break; break;
// Alderlake: // Alderlake:
case 0x97: case 0x97:
case 0x9a: case 0x9a:
CPU = "alderlake";
*Type = X86::INTEL_COREI7; *Type = X86::INTEL_COREI7;
// Alderlake has AVX-512 when the E-cores are disabled
if (testFeature(X86::FEATURE_AVX512VBMI2)) {
CPU = "rocketlake";
*Subtype = X86::INTEL_COREI7_ROCKETLAKE;
} else {
CPU = "alderlake";
*Subtype = X86::INTEL_COREI7_ALDERLAKE;
}
break; break;
// Icelake Xeon: // Icelake Xeon: