diff options
| -rw-r--r-- | arch/s390/include/asm/cmpxchg.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h index 26f2cb1aa9f..8d798e962b6 100644 --- a/arch/s390/include/asm/cmpxchg.h +++ b/arch/s390/include/asm/cmpxchg.h @@ -29,7 +29,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(255 << shift)), + : "d" ((x & 0xff) << shift), "d" (~(0xff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 2: @@ -44,7 +44,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(65535 << shift)), + : "d" ((x & 0xffff) << shift), "d" (~(0xffff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 4: @@ -114,8 +114,9 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " jnz 0b\n" "1:" : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) - : "d" (old << shift), "d" (new << shift), - "d" (~(255 << shift)) + : "d" ((old & 0xff) << shift), + "d" ((new & 0xff) << shift), + "d" (~(0xff << shift)) : "memory", "cc"); return prev >> shift; case 2: @@ -135,8 +136,9 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " jnz 0b\n" "1:" : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) - : "d" (old << shift), "d" (new << shift), - "d" (~(65535 << shift)) + : "d" ((old & 0xffff) << shift), + "d" ((new & 0xffff) << shift), + "d" (~(0xffff << shift)) : "memory", "cc"); return prev >> shift; case 4: |