+++ /dev/null
-/* { dg-do compile { target i?86-*-* } } */
-/* { dg-options -O2 } */
-
-extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
-{
- int oldbit;
- __asm__ __volatile__( ""
- "btsl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"=m" (addr)
- :"ir" (nr));
- return oldbit;
-}
-struct buffer_head {
- unsigned long b_state;
-};
-extern void lock_buffer(struct buffer_head * bh)
-{
- while (test_and_set_bit(2 , &bh->b_state))
- __wait_on_buffer(bh);
-}