tizee

SYSCALL_DEFINE3(setnice,pid_t,pid,int,flag,int,nicevalue)
{
        int errono = 0;
        struct pid * temp_pid=find_get_pid(pid);
        struct task_struct *p=pid_task(temp_pid,PIDTYPE_PID); 
        if(p->pid != pid)
        {
        errono=-EFAULT;
        return errono;  
        }

tizee

nor     $1, $0, $0;         #$1 = ~ ($0 | $0) = FFFF_FFFF
sltu    $2, $0, $1;         #$2 = $0 < $1 ? 1 : 0 = 0000_0001
add     $3, $2, $2;         #$3 = $2 + $2 = 0000_0002
add     $4, $3, $2;         #$4 = $3 + $2 = 0000_0003 
add     $5, $4, $3;         #$5 = $4 + $3 = 0000_0005 
add     $6, $5, $3;         #$6 = $5 + $3 = 0000_0007
sllv    $7, $6, $2;         #$7 = $6 << $2 = 0000_000E
add     $9, $5, $6;         #$9 = $5 + $6 = 0000_000C
sllv    $8, $6, $9;         #$8 = $6 << $9 = 0000_7000 
xor     $9, $1, $8;         #$9 = $1 ^ $8 = FFFF_8FFF