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 "result0/result1 = 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 <- vA
14    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
15    $preinstr                              #  optional op
16    $instr                                 #  a0/a1 <- op, a2-a3 changed
17    GET_INST_OPCODE(t0)                    #  extract opcode from rINST
18    SET_VREG64_GOTO($result0, $result1, rOBJ, t0)   #  vA/vA+1 <- a0/a1
19