diff options
Diffstat (limited to 'src/atomic_ops/sysdeps/gcc/sparc.h')
| -rw-r--r-- | src/atomic_ops/sysdeps/gcc/sparc.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/atomic_ops/sysdeps/gcc/sparc.h b/src/atomic_ops/sysdeps/gcc/sparc.h index 99483e4..1d52be7 100644 --- a/src/atomic_ops/sysdeps/gcc/sparc.h +++ b/src/atomic_ops/sysdeps/gcc/sparc.h @@ -15,8 +15,13 @@ * */ -/* TODO: Very incomplete; Add support for sparc64. */ -/* Non-ancient SPARCs provide compare-and-swap (casa). */ +#if (AO_GNUC_PREREQ(12, 0) || AO_CLANG_PREREQ(13, 0)) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled for earlier compiler versions as well. */ + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ #include "../all_atomic_load_store.h" @@ -85,3 +90,5 @@ AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) { /* TODO: Extend this for SPARC v8 and v9 (V8 also has swap, V9 has CAS, */ /* there are barriers like membar #LoadStore, CASA (32-bit) and */ /* CASXA (64-bit) instructions added in V9). */ + +#endif /* AO_DISABLE_GCC_ATOMICS */ |