diff options
Diffstat (limited to 'src/atomic_ops/sysdeps/gcc/generic-small.template')
| -rw-r--r-- | src/atomic_ops/sysdeps/gcc/generic-small.template | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/atomic_ops/sysdeps/gcc/generic-small.template b/src/atomic_ops/sysdeps/gcc/generic-small.template index 9685acf..e016488 100644 --- a/src/atomic_ops/sysdeps/gcc/generic-small.template +++ b/src/atomic_ops/sysdeps/gcc/generic-small.template @@ -47,24 +47,26 @@ AO_XSIZE_store_release(volatile XCTYPE *addr, XCTYPE value) } #define AO_HAVE_XSIZE_store_release -AO_INLINE XCTYPE -AO_XSIZE_fetch_compare_and_swap(volatile XCTYPE *addr, - XCTYPE old_val, XCTYPE new_val) -{ - return __sync_val_compare_and_swap(addr, old_val, new_val - /* empty protection list */); -} -#define AO_HAVE_XSIZE_fetch_compare_and_swap - -/* TODO: Add CAS _acquire/release/full primitives. */ - -#ifndef AO_GENERALIZE_ASM_BOOL_CAS - AO_INLINE int - AO_XSIZE_compare_and_swap(volatile XCTYPE *addr, - XCTYPE old_val, XCTYPE new_val) +#ifdef AO_GCC_HAVE_XSIZE_SYNC_CAS + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) { - return __sync_bool_compare_and_swap(addr, old_val, new_val - /* empty protection list */); + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); } -# define AO_HAVE_XSIZE_compare_and_swap -#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +# define AO_HAVE_XSIZE_fetch_compare_and_swap + + /* TODO: Add CAS _acquire/release/full primitives. */ + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_XSIZE_compare_and_swap(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return __sync_bool_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_XSIZE_compare_and_swap +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +#endif /* AO_GCC_HAVE_XSIZE_SYNC_CAS */ |