1%default {"preinstr":"", "result0":"a0", "result1":"a1"}
2    /*
3     * Generic 32bit-to-64bit unary operation.  Provide an "instr" line
4     * that specifies an instruction that performs "result = op a0", where
5     * "result" is a 64-bit quantity in a0/a1.
6     *
7     * For: int-to-long
8     */
9    /* unop vA, vB */
10    GET_OPA4(rOBJ)                         #  rOBJ <- A+
11    GET_OPB(a3)                            #  a3 <- B
12    GET_VREG(a0, a3)                       #  a0 <- vB
13    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
14    $preinstr                              #  optional op
15    $instr                                 #  result <- op, a0-a3 changed
16    GET_INST_OPCODE(t0)                    #  extract opcode from rINST
17    SET_VREG64($result0, $result1, rOBJ)   #  vA/vA+1 <- a0/a1
18    GOTO_OPCODE(t0)                        #  jump to next instruction
19    /* 10-11 instructions */
20