fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp is 25.

* config/arm/fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp is 25. From-SVN: r194474

fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp is 25.
* config/arm/fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp is 25. From-SVN: r194474
65f14117 · John Tytgat · Nick Clifton · 3ecce8a1 · 65f14117 · 65f14117
Commit 65f14117 authored Dec 13, 2012 by John Tytgat Committed by Nick Clifton Dec 13, 2012
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libgcc/ChangeLog
+5 -0

libgcc/config/arm/fp16.c
+3 -5

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--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
+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

--- 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;
+      mask = 0x00ffffff;
-      if (aexp < -25)
+      if (aexp >= -25)
-	aexp = -26;
+        mask >>= 25 + aexp;
-      else if (aexp != -25)
-	mask >>= 24 + aexp;
    }
  else
    mask = 0x00001fff;