1%default {"preinstr":"", "ld_arg":"LOAD64_F(fa0, fa0f, a3)", "st_result":"SET_VREG64_F(fv0, fv0f, rOBJ)"}
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 a MIPS instruction or a function call.
6     *
7     * long-to-double, double-to-long
8     */
9    /* unop vA, vB */
10    GET_OPA4(rOBJ)                         #  t1 <- A+
11    GET_OPB(a3)                            #  a3 <- B
12    EAS2(a3, rFP, a3)                      #  a3 <- &fp[B]
13    $ld_arg
14    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
15    $preinstr                              #  optional op
16    $instr                                 #  a0/a1 <- op, a2-a3 changed
17
18.L${opcode}_set_vreg:
19    $st_result                             #  vAA <- a0/a1
20    GET_INST_OPCODE(t0)                    #  extract opcode from rINST
21    GOTO_OPCODE(t0)                        #  jump to next instruction
22    /* 12-13 instructions */
23