commit 91cb919ba1720e710315212ee789f5f4ea9a69c2
author MITSUNARI Shigeo <herumi@nifty.com> Thu Aug 01 15:13:58 2019 +0900
committer MITSUNARI Shigeo <herumi@nifty.com> Thu Aug 01 15:13:58 2019 +0900
tree 1dad53466e62b3b6a022eb41150957319d0b7433
parent f41da5aab5868382905f86d0bd98b88f4dc8d71c
parent a6452f82060116e2f8f08adc498e595394beb935

Merge branch 'vpirogov-master'

xbyak/xbyak_util.h

diff --git a/xbyak/xbyak_util.h b/xbyak/xbyak_util.h
index 2929bb0..c5a134b 100644
--- a/xbyak/xbyak_util.h
+++ b/xbyak/xbyak_util.h
@@ -412,9 +412,13 @@
 						if (ECX & (1U << 14)) type_ |= tAVX512_VPOPCNTDQ;
 						if (EDX & (1U << 2)) type_ |= tAVX512_4VNNIW;
 						if (EDX & (1U << 3)) type_ |= tAVX512_4FMAPS;
-						if (EAX & (1U << 5)) type_ |= tAVX512_BF16;
 						if (EDX & (1U << 8)) type_ |= tAVX512_VP2INTERSECT;
 					}
+					// EAS=07H, ECX=1
+					getCpuidEx(7, 1, data);
+					if (type_ & tAVX512F) {
+						if (EAX & (1U << 5)) type_ |= tAVX512_BF16;
+					}
 				}
 			}
 		}