diff options
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r-- | sysdeps/powerpc/powerpc32/atomic-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/atomic-machine.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/atomic-machine.h b/sysdeps/powerpc/powerpc32/atomic-machine.h index 20d5e85683..96c7d81359 100644 --- a/sysdeps/powerpc/powerpc32/atomic-machine.h +++ b/sysdeps/powerpc/powerpc32/atomic-machine.h @@ -35,6 +35,7 @@ #define __HAVE_64B_ATOMICS 0 #define USE_ATOMIC_COMPILER_BUILTINS 0 +#define ATOMIC_EXCHANGE_USES_CAS 1 /* * The 32-bit exchange_bool is different on powerpc64 because the subf diff --git a/sysdeps/powerpc/powerpc64/atomic-machine.h b/sysdeps/powerpc/powerpc64/atomic-machine.h index 40c308e210..46df488b3c 100644 --- a/sysdeps/powerpc/powerpc64/atomic-machine.h +++ b/sysdeps/powerpc/powerpc64/atomic-machine.h @@ -35,6 +35,7 @@ #define __HAVE_64B_ATOMICS 1 #define USE_ATOMIC_COMPILER_BUILTINS 0 +#define ATOMIC_EXCHANGE_USES_CAS 1 /* The 32-bit exchange_bool is different on powerpc64 because the subf does signed 64-bit arithmetic while the lwarx is 32-bit unsigned |