#define Ip_u2s3u1(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c)
+#define Ip_s3s1s2(op) \
+void ISAOPC(op)(u32 **buf, int a, int b, int c)
+
#define Ip_u2u1s3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
Ip_u2s3u1(_sd);
Ip_u2u1u3(_sll);
Ip_u3u2u1(_sllv);
+Ip_s3s1s2(_slt);
Ip_u2u1s3(_sltiu);
Ip_u3u1u2(_sltu);
Ip_u2u1u3(_sra);