diff options
Diffstat (limited to 'm4/odp_atomic.m4')
| -rw-r--r-- | m4/odp_atomic.m4 | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/m4/odp_atomic.m4 b/m4/odp_atomic.m4 index c0068b5e4..cde313261 100644 --- a/m4/odp_atomic.m4 +++ b/m4/odp_atomic.m4 @@ -126,12 +126,13 @@ AC_CACHE_CHECK([whether -latomic is needed for 64-bit atomic compare exchange], [odp_cv_atomic_needed_64bit_cmp_exc], [dnl AC_LINK_IFELSE( [AC_LANG_SOURCE([[ + #include <stdbool.h> #include <stdint.h> static uint64_t loc; int main(void) { uint64_t exp = 0; - uint64_t = __atomic_compare_exchange_n(&loc, &exp, 1, 1, + bool res = __atomic_compare_exchange_8(&loc, &exp, 1, 1, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED); return 0; @@ -157,14 +158,14 @@ AC_CACHE_CHECK([whether -latomic is needed for 128-bit atomic compare exchange], [odp_cv_atomic_needed_128bit_cmp_exc], [dnl AC_LINK_IFELSE( [AC_LANG_SOURCE([[ - #include <stdint.h> + #include <stdbool.h> static __int128 loc; int main(void) { __int128 exp = 0; - __int128 = __atomic_compare_exchange_n(&loc, &exp, 1, 1, - __ATOMIC_ACQUIRE, - __ATOMIC_RELAXED); + bool res = __atomic_compare_exchange_16(&loc, &exp, 1, 1, + __ATOMIC_ACQUIRE, + __ATOMIC_RELAXED); return 0; } ]])], |