1 #ifndef __ASM_SH_CMPXCHG_CAS_H
2 #define __ASM_SH_CMPXCHG_CAS_H
4 static inline unsigned long
5 __cmpxchg_u32(volatile u32 *m, unsigned long old, unsigned long new)
7 __asm__ __volatile__("cas.l %1,%0,@r0"
14 static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
18 while (__cmpxchg_u32(m, old, val) != old);
22 #include <asm/cmpxchg-xchg.h>
24 #endif /* __ASM_SH_CMPXCHG_CAS_H */