1 %default {"preinstr":"", "result0":"a0", "result1":"a1"} 2 /* 3 * Generic 64-bit unary operation. Provide an "instr" line that 4 * specifies an instruction that performs "result = op a0/a1". 5 * This could be MIPS instruction or a function call. 6 * 7 * For: neg-long, not-long, neg-double, 8 */ 9 /* unop vA, vB */ 10 GET_OPA4(rOBJ) # rOBJ <- A+ 11 GET_OPB(a3) # a3 <- B 12 EAS2(a3, rFP, a3) # a3 <- &fp[B] 13 LOAD64(a0, a1, a3) # a0/a1 <- vAA 14 FETCH_ADVANCE_INST(1) # advance rPC, load rINST 15 $preinstr # optional op 16 $instr # a0/a1 <- op, a2-a3 changed 17 GET_INST_OPCODE(t0) # extract opcode from rINST 18 SET_VREG64($result0, $result1, rOBJ) # vAA <- a0/a1 19 GOTO_OPCODE(t0) # jump to next instruction 20 /* 12-13 instructions */ 21
