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-rw-r--r--atomic/unix/ia32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/atomic/unix/ia32.c b/atomic/unix/ia32.c
index 3826f9275..63f48a753 100644
--- a/atomic/unix/ia32.c
+++ b/atomic/unix/ia32.c
@@ -117,7 +117,7 @@ APR_DECLARE(void*) apr_atomic_xchgptr(volatile void **mem, void *with)
#elif APR_SIZEOF_VOIDP == 8
asm volatile ("xchgq %q2, %1"
: "=a" (prev), "+m" (*mem)
- : "r" ((unsigned long)with));
+ : "0" (with));
#else
#error APR_SIZEOF_VOIDP value not supported
#endif