diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 95b95b1d193..df3dfeef71f 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-13  John Tytgat  <John@bass-software.com>
+
+	* config/arm/fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp
+	is 25.
+
 2012-12-12  Jakub Jelinek  <jakub@redhat.com>
 
 	PR libgcc/55451
diff --git a/libgcc/config/arm/fp16.c b/libgcc/config/arm/fp16.c
index 936caeb78d0..786830f2ec6 100644
--- a/libgcc/config/arm/fp16.c
+++ b/libgcc/config/arm/fp16.c
@@ -47,11 +47,9 @@ __gnu_f2h_internal(unsigned int a, int ieee)
   mantissa |= 0x00800000;
   if (aexp < -14)
     {
-      mask = 0x007fffff;
-      if (aexp < -25)
-	aexp = -26;
-      else if (aexp != -25)
-	mask >>= 24 + aexp;
+      mask = 0x00ffffff;
+      if (aexp >= -25)
+        mask >>= 25 + aexp;
     }
   else
     mask = 0x00001fff;