diff --git a/gen/gen_avx512.cpp b/gen/gen_avx512.cpp
index 54b589f..216a821 100644
--- a/gen/gen_avx512.cpp
+++ b/gen/gen_avx512.cpp
@@ -542,6 +542,7 @@ void putCvt()
 	puts("void vcvtss2usi(const Reg32e& r, const Operand& op) { int type = (T_F3 | T_0F | T_MUST_EVEX | T_N4 | T_ER_X) | (r.isREG(64) ? T_EW1 : T_EW0); opAVX_X_X_XM(Xmm(r.getIdx()), xm0, op, type, 0x79); }");
 	puts("void vcvttsd2usi(const Reg32e& r, const Operand& op) { int type = (T_F2 | T_0F | T_MUST_EVEX | T_N8 | T_SAE_X) | (r.isREG(64) ? T_EW1 : T_EW0); opAVX_X_X_XM(Xmm(r.getIdx()), xm0, op, type, 0x78); }");
 	puts("void vcvttss2usi(const Reg32e& r, const Operand& op) { int type = (T_F3 | T_0F | T_MUST_EVEX | T_N4 | T_SAE_X) | (r.isREG(64) ? T_EW1 : T_EW0); opAVX_X_X_XM(Xmm(r.getIdx()), xm0, op, type, 0x78); }");
+	puts("void vcvtsh2si(const Reg32e& r, const Operand& op) { int type = (T_F3 | T_MAP5 | T_MUST_EVEX | T_N2 | T_ER_X) | (r.isREG(64) ? T_EW1 : T_EW0); opVex(r, &xm0, op, type, 0x2D); }");
 	puts("void vcvtuqq2ps(const Xmm& x, const Operand& op) { opCvt2(x, op, T_F2 | T_0F | T_YMM | T_MUST_EVEX | T_EW1 | T_B64 | T_ER_Z, 0x7A); }");
 	puts("void vcvtusi2sd(const Xmm& x1, const Xmm& x2, const Operand& op) { opCvt3(x1, x2, op, T_F2 | T_0F | T_MUST_EVEX, T_W1 | T_EW1 | T_ER_X | T_N8, T_W0 | T_EW0 | T_N4, 0x7B); }");
 	puts("void vcvtusi2ss(const Xmm& x1, const Xmm& x2, const Operand& op) { opCvt3(x1, x2, op, T_F3 | T_0F | T_MUST_EVEX | T_ER_X, T_W1 | T_EW1 | T_N8, T_W0 | T_EW0 | T_N4, 0x7B); }");
diff --git a/test/misc.cpp b/test/misc.cpp
index 80317d0..3976f54 100644
--- a/test/misc.cpp
+++ b/test/misc.cpp
@@ -1074,6 +1074,14 @@ CYBOZU_TEST_AUTO(vaddph)
 			vcvtss2sh(xmm1|k1|T_z|T_rd_sae, xmm2, xmm3);
 			vcvtss2sh(xmm1, xmm2, ptr [rax+0x40]);
 
+			vcvtsh2si(edx|T_rd_sae, xmm1);
+			vcvtsh2si(edx, ptr [rax+0x40]);
+			vcvtsh2si(rdx|T_rd_sae, xmm1);
+			vcvtsh2si(r8, ptr [rax+0x40]);
+
+
+
+
 
 		}
 	} c;
@@ -1325,6 +1333,12 @@ CYBOZU_TEST_AUTO(vaddph)
 		// vcvtss2sh
 		0x62, 0xf5, 0x6c, 0xb9, 0x1d, 0xcb,
 		0x62, 0xf5, 0x6c, 0x08, 0x1d, 0x48, 0x10,
+
+		// vcvtsh2si
+		0x62, 0xf5, 0x7e, 0x38, 0x2d, 0xd1,
+		0x62, 0xf5, 0x7e, 0x08, 0x2d, 0x50, 0x20,
+		0x62, 0xf5, 0xfe, 0x38, 0x2d, 0xd1,
+		0x62, 0x75, 0xfe, 0x08, 0x2d, 0x40, 0x20,
 	};
 	const size_t n = sizeof(tbl) / sizeof(tbl[0]);
 	CYBOZU_TEST_EQUAL(c.getSize(), n);
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index 2f7367e..cb90f8d 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -1909,6 +1909,7 @@ void vcvtqq2ps(const Xmm& x, const Operand& op) { opCvt2(x, op, T_0F | T_YMM | T
 void vcvtsd2sh(const Xmm& x1, const Xmm& x2, const Operand& op) { opAVX_X_X_XM(x1, x2, op, T_N8 | T_F2 | T_MAP5 | T_EW1 | T_ER_X | T_MUST_EVEX, 0x5A); }
 void vcvtsd2usi(const Reg32e& r, const Operand& op) { int type = (T_F2 | T_0F | T_MUST_EVEX | T_N8 | T_ER_X) | (r.isREG(64) ? T_EW1 : T_EW0); opAVX_X_X_XM(Xmm(r.getIdx()), xm0, op, type, 0x79); }
 void vcvtsh2sd(const Xmm& x1, const Xmm& x2, const Operand& op) { opAVX_X_X_XM(x1, x2, op, T_N2 | T_F3 | T_MAP5 | T_EW0 | T_SAE_X | T_MUST_EVEX, 0x5A); }
+void vcvtsh2si(const Reg32e& r, const Operand& op) { int type = (T_F3 | T_MAP5 | T_MUST_EVEX | T_N2 | T_ER_X) | (r.isREG(64) ? T_EW1 : T_EW0); opVex(r, &xm0, op, type, 0x2D); }
 void vcvtsh2ss(const Xmm& x1, const Xmm& x2, const Operand& op) { opAVX_X_X_XM(x1, x2, op, T_N2 | T_MAP6 | T_EW0 | T_SAE_X | T_MUST_EVEX, 0x13); }
 void vcvtss2sh(const Xmm& x1, const Xmm& x2, const Operand& op) { opAVX_X_X_XM(x1, x2, op, T_N4 | T_MAP5 | T_EW0 | T_ER_X | T_MUST_EVEX, 0x1D); }
 void vcvtss2usi(const Reg32e& r, const Operand& op) { int type = (T_F3 | T_0F | T_MUST_EVEX | T_N4 | T_ER_X) | (r.isREG(64) ? T_EW1 : T_EW0); opAVX_X_X_XM(Xmm(r.getIdx()), xm0, op, type, 0x79); }