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-rw-r--r--sysdeps/powerpc/powerpc32/bits/atomic.h3
-rw-r--r--sysdeps/powerpc/powerpc64/bits/atomic.h3
2 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/bits/atomic.h b/sysdeps/powerpc/powerpc32/bits/atomic.h
index a3dd09cd9a..117b5a0775 100644
--- a/sysdeps/powerpc/powerpc32/bits/atomic.h
+++ b/sysdeps/powerpc/powerpc32/bits/atomic.h
@@ -33,6 +33,9 @@
 # define MUTEX_HINT_REL
 #endif
 
+#define __HAVE_64B_ATOMICS 0
+#define USE_ATOMIC_COMPILER_BUILTINS 0
+
 /*
  * The 32-bit exchange_bool is different on powerpc64 because the subf
  * does signed 64-bit arithmetic while the lwarx is 32-bit unsigned
diff --git a/sysdeps/powerpc/powerpc64/bits/atomic.h b/sysdeps/powerpc/powerpc64/bits/atomic.h
index ed26b7253e..5c4ebb6ad5 100644
--- a/sysdeps/powerpc/powerpc64/bits/atomic.h
+++ b/sysdeps/powerpc/powerpc64/bits/atomic.h
@@ -33,6 +33,9 @@
 # define MUTEX_HINT_REL
 #endif
 
+#define __HAVE_64B_ATOMICS 1
+#define USE_ATOMIC_COMPILER_BUILTINS 0
+
 /* The 32-bit exchange_bool is different on powerpc64 because the subf
    does signed 64-bit arithmetic while the lwarx is 32-bit unsigned
    (a load word and zero (high 32) form) load.