%default {"preinstr":""}
    /*
     * Generic 32bit-to-64bit unary operation.  Provide an "instr" line
     * that specifies an instruction that performs "result = op r0", where
     * "result" is a 64-bit quantity in r0/r1.
     *
     * For: int-to-long, int-to-double, float-to-long, float-to-double
     */
    /* unop vA, vB */
    mov     r3, rINST, lsr #12          @ r3<- B
    ubfx    rINST, rINST, #8, #4        @ rINST<- A
    GET_VREG r0, r3                     @ r0<- vB
    VREG_INDEX_TO_ADDR r9, rINST        @ r9<- &fp[A]
    $preinstr                           @ optional op; may set condition codes
    CLEAR_SHADOW_PAIR rINST, ip, lr     @ Zero shadow regs
    FETCH_ADVANCE_INST 1                @ advance rPC, load rINST
    $instr                              @ r0<- op, r0-r3 changed
    GET_INST_OPCODE ip                  @ extract opcode from rINST
    stmia   r9, {r0-r1}                 @ vA/vA+1<- r0/r1
    GOTO_OPCODE ip                      @ jump to next instruction
    /* 9-10 instructions */
