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-rw-r--r--winsup/cygwin/math/atanl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/winsup/cygwin/math/atanl.c b/winsup/cygwin/math/atanl.c
index b85d053..d289ef0 100644
--- a/winsup/cygwin/math/atanl.c
+++ b/winsup/cygwin/math/atanl.c
@@ -10,7 +10,8 @@ atanl (long double x)
{
long double res = 0.0L;
- asm ("fld1\n\t"
+ asm volatile (
+ "fld1\n\t"
"fpatan"
: "=t" (res) : "0" (x));
return res;