310 #define emit_sub(R1, R2, R3) \  argument
311 	*prog++ = (SUB | RS1(R1) | RS2(R2) | RD(R3))
313 #define emit_subi(R1, IMM, R3) \  argument
314 	*prog++ = (SUB | IMMED | RS1(R1) | S13(IMM) | RD(R3))
316 #define emit_add(R1, R2, R3) \  argument
317 	*prog++ = (ADD | RS1(R1) | RS2(R2) | RD(R3))
319 #define emit_addi(R1, IMM, R3) \  argument
320 	*prog++ = (ADD | IMMED | RS1(R1) | S13(IMM) | RD(R3))
322 #define emit_and(R1, R2, R3) \  argument
323 	*prog++ = (AND | RS1(R1) | RS2(R2) | RD(R3))
325 #define emit_andi(R1, IMM, R3) \  argument
326 	*prog++ = (AND | IMMED | RS1(R1) | S13(IMM) | RD(R3))