.globl add
.text
.align  2
.type   add, @function
add:
    addi    sp,sp,-32
    sw      ra,28(sp)
    sw      s0,24(sp)
    addi    s0,sp,32
    sw      a0,-20(s0)
    lw      a5,-20(s0)
    slli    a5,a5,1
    mv      a0,a5
    lw      ra,28(sp)
    lw      s0,24(sp)
    addi    sp,sp,32
    jr      ra