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main/common: Log/append AVX/FMA to the Host CPU string if available and add AVX512 detection

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Co-Authored-By: Morph <morph1984@users.noreply.github.com>
This commit is contained in:
FearlessTobi 2020-08-09 01:55:26 +02:00
parent 52fe6daa53
commit ddb4135dea
5 changed files with 23 additions and 3 deletions
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5
src/common/x64/cpu_detect.cpp
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@ -110,6 +110,11 @@ static CPUCaps Detect() {
caps.bmi1 = true;
if ((cpu_id[1] >> 8) & 1)
caps.bmi2 = true;
// Checks for AVX512F, AVX512CD, AVX512VL, AVX512DQ, AVX512BW (Intel Skylake-X/SP)
if ((cpu_id[1] >> 16) & 1 && (cpu_id[1] >> 28) & 1 && (cpu_id[1] >> 31) & 1 &&
(cpu_id[1] >> 17) & 1 && (cpu_id[1] >> 30) & 1) {
caps.avx512 = caps.avx2;
}
}
}

1
src/common/x64/cpu_detect.h
View file

@ -18,6 +18,7 @@ struct CPUCaps {
bool sse4_2;
bool avx;
bool avx2;
bool avx512;
bool bmi1;
bool bmi2;
bool fma;