diff options
| author | Anton Khirnov <anton@khirnov.net> | 2013-03-08 20:57:31 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-03-09 08:36:40 +0100 |
| commit | 6327c10702922eabcb1c6170abd3f03d23ce4c51 (patch) | |
| tree | 1cb1693eed4fccb309a3479de600ca47549de41a /libavutil/atomic_gcc.h | |
| parent | 486f0b0cfc800cd38ec06635630539431d296774 (diff) | |
atomic: fix CAS with armcc.
On the current code, armcc will fail with:
"libavutil/atomic_gcc.h", line 52: Error: #2771: first argument must be
a pointer to integer or enumeration type
Diffstat (limited to 'libavutil/atomic_gcc.h')
| -rw-r--r-- | libavutil/atomic_gcc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavutil/atomic_gcc.h b/libavutil/atomic_gcc.h index 13713c82e0..9470e8e50b 100644 --- a/libavutil/atomic_gcc.h +++ b/libavutil/atomic_gcc.h @@ -21,6 +21,8 @@ #ifndef AVUTIL_ATOMIC_GCC_H #define AVUTIL_ATOMIC_GCC_H +#include <stdint.h> + #include "atomic.h" #define avpriv_atomic_int_get atomic_int_get_gcc @@ -47,7 +49,13 @@ static inline int atomic_int_add_and_fetch_gcc(volatile int *ptr, int inc) static inline void *atomic_ptr_cas_gcc(void * volatile *ptr, void *oldval, void *newval) { +#ifdef __ARMCC_VERSION + // armcc will throw an error if ptr is not an integer type + volatile uintptr_t *tmp = (volatile uintptr_t*)ptr; + return (void*)__sync_val_compare_and_swap(tmp, oldval, newval); +#else return __sync_val_compare_and_swap(ptr, oldval, newval); +#endif } #endif /* AVUTIL_ATOMIC_GCC_H */ |