diff --git a/gen/gen_code.cpp b/gen/gen_code.cpp
index e1d912e..8679c69 100644
--- a/gen/gen_code.cpp
+++ b/gen/gen_code.cpp
@@ -1175,10 +1175,8 @@ void put()
 		puts("void movnti(const Address& addr, const Reg32e& reg) { opMR(addr, reg, T_0F, 0xC3); }");
 		puts("void movntq(const Address& addr, const Mmx& mmx) { if (!mmx.isMMX()) XBYAK_THROW(ERR_BAD_COMBINATION) opMR(addr, mmx, T_0F, 0xE7); }");
 
-		puts("void movd(const Address& addr, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opMR(addr, mmx, T_0F, 0x7E); }");
-		puts("void movd(const Reg32& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opRR(mmx, reg, T_0F, 0x7E); }");
-		puts("void movd(const Mmx& mmx, const Address& addr) { if (mmx.isXMM()) db(0x66); opMR(addr, mmx, T_0F, 0x6E); }");
-		puts("void movd(const Mmx& mmx, const Reg32& reg) { if (mmx.isXMM()) db(0x66); opRR(mmx, reg, T_0F, 0x6E); }");
+		puts("void movd(const Operand& op, const Mmx& mmx) { if (!(op.isMEM() || op.isREG(32))) XBYAK_THROW(ERR_BAD_COMBINATION) if (mmx.isXMM()) db(0x66); opRO(mmx, op, T_0F, 0x7E); }");
+		puts("void movd(const Mmx& mmx, const Operand& op) { if (!(op.isMEM() || op.isREG(32))) XBYAK_THROW(ERR_BAD_COMBINATION) if (mmx.isXMM()) db(0x66); opRO(mmx, op, T_0F, 0x6E); }");
 		puts("void movq2dq(const Xmm& xmm, const Mmx& mmx) { opRR(xmm, mmx, T_F3 | T_0F, 0xD6); }");
 		puts("void movdq2q(const Mmx& mmx, const Xmm& xmm) { opRR(mmx, xmm, T_F2 | T_0F, 0xD6); }");
 		puts("void movq(const Mmx& mmx, const Operand& op) { if (mmx.isXMM()) db(0xF3); opRO(mmx, op, T_0F, mmx.isXMM() ? 0x7E : 0x6F, mmx.getKind() == op.getKind()); }");
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index 5982a5d..aa046bb 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -2172,7 +2172,7 @@ private:
 			}
 		}
 	}
-	void opSSE(const Reg& r, const Operand& op, uint64_t type, int code, bool isValid(const Operand&, const Operand&), int imm8 = NONE)
+	void opSSE(const Reg& r, const Operand& op, uint64_t type, int code, bool isValid(const Operand&, const Operand&) = 0, int imm8 = NONE)
 	{
 		if (isValid && !isValid(r, op)) XBYAK_THROW(ERR_BAD_COMBINATION)
 		if (!isValidSSE(r) || !isValidSSE(op)) XBYAK_THROW(ERR_NOT_SUPPORTED)
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index 1addb06..6ee3794 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -686,10 +686,8 @@ void movaps(const Address& addr, const Xmm& xmm) { opMR(addr, xmm, T_0F|T_NONE,
 void movaps(const Xmm& xmm, const Operand& op) { opMMX(xmm, op, 0x28, T_0F, T_NONE); }
 void movbe(const Address& addr, const Reg& reg) { opMR(addr, reg, T_0F38, 0xF1, T_APX, 0x61); }
 void movbe(const Reg& reg, const Address& addr) { opMR(addr, reg, T_0F38, 0xF0, T_APX, 0x60); }
-void movd(const Address& addr, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opMR(addr, mmx, T_0F, 0x7E); }
-void movd(const Mmx& mmx, const Address& addr) { if (mmx.isXMM()) db(0x66); opMR(addr, mmx, T_0F, 0x6E); }
-void movd(const Mmx& mmx, const Reg32& reg) { if (mmx.isXMM()) db(0x66); opRR(mmx, reg, T_0F, 0x6E); }
-void movd(const Reg32& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opRR(mmx, reg, T_0F, 0x7E); }
+void movd(const Mmx& mmx, const Operand& op) { if (!(op.isMEM() || op.isREG(32))) XBYAK_THROW(ERR_BAD_COMBINATION) if (mmx.isXMM()) db(0x66); opRO(mmx, op, T_0F, 0x6E); }
+void movd(const Operand& op, const Mmx& mmx) { if (!(op.isMEM() || op.isREG(32))) XBYAK_THROW(ERR_BAD_COMBINATION) if (mmx.isXMM()) db(0x66); opRO(mmx, op, T_0F, 0x7E); }
 void movddup(const Xmm& xmm, const Operand& op) { opSSE(xmm, op, T_DUP|T_F2|T_0F|T_EW1|T_YMM|T_EVEX|T_ER_X|T_ER_Y|T_ER_Z, 0x12, isXMM_XMMorMEM, NONE); }
 void movdir64b(const Reg& reg, const Address& addr) { opMR(addr, reg.cvt32(), T_66|T_0F38, 0xF8, T_APX|T_66); }
 void movdiri(const Address& addr, const Reg32e& reg) { opMR(addr, reg, T_0F38, 0xF9, T_APX); }