2 files changed, 1 insertions, 24 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_isinf_nsl.c b/sysdeps/ieee754/ldbl-128ibm/s_isinf_nsl.c
deleted file mode 100644
index 54e72c9166..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_isinf_nsl.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * __isinf_nsl(x) returns != 0 if x is ±inf, else 0;
- * no branching!
- * slightly dodgy in relying on signed shift right copying sign bit
- */
-
-#include <math.h>
-#include <math_private.h>
-
-int
-__isinf_nsl (long double x)
-{
-  double xhi;
-  int64_t hx, mask;
-
-  xhi = ldbl_high (x);
-  EXTRACT_WORDS64 (hx, xhi);
-
-  mask = (hx & 0x7fffffffffffffffLL) ^ 0x7ff0000000000000LL;
-  mask |= -mask;
-  mask >>= 63;
-  return ~mask;
-}
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
index 8a49c54d6c..b7efd1a835 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
@@ -42,7 +42,7 @@ __sincosl (long double x, long double *sinx, long double *cosx)
     {
       /* sin(Inf or NaN) is NaN */
       *sinx = *cosx = x - x;
-      if (__isinf_nsl (x))
+      if (isinf (x))
 	__set_errno (EDOM);
     }
   else