diff --git a/gen/gen_code.cpp b/gen/gen_code.cpp
index 2ad8c59..b3a961a 100644
--- a/gen/gen_code.cpp
+++ b/gen/gen_code.cpp
@@ -665,6 +665,7 @@ void put()
 			{ "cmpsd", 0xA7 },
 			{ "endbr32", 0xF3, 0x0F, 0x1E, 0xFB },
 			{ "endbr64", 0xF3, 0x0F, 0x1E, 0xFA },
+			{ "hlt", 0xF4 },
 			{ "int3", 0xCC },
 			{ "scasb", 0xAE },
 			{ "scasw", 0x66, 0xAF },
diff --git a/test/make_nm.cpp b/test/make_nm.cpp
index 6fd875a..b797df5 100644
--- a/test/make_nm.cpp
+++ b/test/make_nm.cpp
@@ -512,6 +512,7 @@ class Test {
 			"cmpsb",
 			"cmpsw",
 			"cmpsd",
+			"hlt",
 			"int3",
 			"leave",
 			"lodsb",
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index 7369bd7..8954949 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -323,6 +323,7 @@ void gf2p8affineqb(const Xmm& xmm, const Operand& op, int imm) { opGen(xmm, op,
 void gf2p8mulb(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0xCF, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
 void haddpd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x7C, 0x66, isXMM_XMMorMEM); }
 void haddps(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x7C, 0xF2, isXMM_XMMorMEM); }
+void hlt() { db(0xF4); }
 void hsubpd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x7D, 0x66, isXMM_XMMorMEM); }
 void hsubps(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x7D, 0xF2, isXMM_XMMorMEM); }
 void idiv(const Operand& op) { opR_ModM(op, 0, 7, 0xF6); }
@@ -333,7 +334,6 @@ void inc(const Operand& op) { opIncDec(op, 0x40, 0); }
 void insertps(const Xmm& xmm, const Operand& op, uint8_t imm) { opGen(xmm, op, 0x21, 0x66, isXMM_XMMorMEM, imm, 0x3A); }
 void int3() { db(0xCC); }
 void int_(uint8_t x) { db(0xCD); db(x); }
-void hlt() { db(0xF4); }
 void ja(const Label& label, LabelType type = T_AUTO) { opJmp(label, type, 0x77, 0x87, 0x0F); }//-V524
 void ja(const char *label, LabelType type = T_AUTO) { ja(std::string(label), type); }//-V524
 void ja(const void *addr) { opJmpAbs(addr, T_NEAR, 0x77, 0x87, 0x0F); }//-V524