diff --git a/sample/test_util.cpp b/sample/test_util.cpp
index ef6e3fa..b87b803 100644
--- a/sample/test_util.cpp
+++ b/sample/test_util.cpp
@@ -94,6 +94,7 @@ void putCPUinfo(bool onlyCpuidFeature)
 		{ Cpu::tAVX_NE_CONVERT, "avx_ne_convert" },
 		{ Cpu::tAVX_IFMA, "avx_ifma" },
 		{ Cpu::tRAO_INT, "rao-int" },
+		{ Cpu::tCMPCCXADD, "cmpccxadd" },
 	};
 	for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
 		if (cpu.has(tbl[i].type)) printf(" %s", tbl[i].str);
diff --git a/xbyak/xbyak_util.h b/xbyak/xbyak_util.h
index e1e4476..ebf15e6 100644
--- a/xbyak/xbyak_util.h
+++ b/xbyak/xbyak_util.h
@@ -415,6 +415,7 @@ public:
 	XBYAK_DEFINE_TYPE(70, tAVX_NE_CONVERT);
 	XBYAK_DEFINE_TYPE(71, tAVX_IFMA);
 	XBYAK_DEFINE_TYPE(72, tRAO_INT);
+	XBYAK_DEFINE_TYPE(73, tCMPCCXADD);
 
 #undef XBYAK_SPLIT_ID
 #undef XBYAK_DEFINE_TYPE
@@ -559,6 +560,7 @@ public:
 				if (type_ & tAVX512F) {
 					if (EAX & (1U << 5)) type_ |= tAVX512_BF16;
 				}
+				if (EAX & (1U << 7)) type_ |= tCMPCCXADD;
 				if (EAX & (1U << 21)) type_ |= tAMX_FP16;
 				if (EAX & (1U << 23)) type_ |= tAVX_IFMA;
 				if (EDX & (1U << 4)) type_ |= tAVX_VNNI_INT8;