# expected: 00000001, 00000001, 00000000
    .text
_start:
    addi x1, x0, 0
    sltiu x31, x1, (-1)

    addi x1, x0, 98
    sltiu x31, x1, 99

    addi x1, x0, 99
    sltiu x31, x1, 98