-#define RA R[insn.rtype.ra]
-#define RB R[insn.rtype.rb]
-#define RC R[insn.rtype.rc]
-#define FRA FR[insn.ftype.ra]
-#define FRB FR[insn.ftype.rb]
-#define FRC FR[insn.ftype.rc]
-#define FRD FR[insn.ftype.rd]
+#define RS1 R[insn.rtype.rs1]
+#define RS2 R[insn.rtype.rs2]
+#define RDR R[insn.rtype.rdr]
+#define RDI R[insn.itype.rdi]
+#define FRS1 FR[insn.ftype.rs1]
+#define FRS2 FR[insn.ftype.rs2]
+#define FRS3 FR[insn.ftype.rs3]
+#define FRDR FR[insn.ftype.rdr]
+#define FRDI FR[insn.itype.rdi]