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-rw-r--r--src/common/x64/cpu_detect.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/common/x64/cpu_detect.cpp b/src/common/x64/cpu_detect.cpp
index c9349a6b4..f35dcb498 100644
--- a/src/common/x64/cpu_detect.cpp
+++ b/src/common/x64/cpu_detect.cpp
@@ -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;
+ }
}
}