commit a8f2299d1b170b6100b0e9ad00788a7a7e31719b
author Peter Maydell <peter.maydell@linaro.org> Fri Sep 28 16:17:03 2012 +0100
committer Michael Roth <mdroth@linux.vnet.ibm.com> Thu Oct 11 21:44:21 2012 -0500
tree cd8d4fee2b472472550731d43b086fd82f053099
parent 68fc5d1d27af39f21c688e6f4b0ea22d66800736

fpu/softfloat.c: Return correctly signed values from uint64_to_float32

The uint64_to_float32() conversion function was incorrectly always
returning numbers with the sign bit set (ie negative numbers). Correct
this so we return positive numbers instead.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
(cherry picked from commit e744c06fca438dc08271e626034e632a270c91c8)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

fpu/softfloat.c

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index b29256a..91497e8 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -1238,7 +1238,7 @@
     if ( a == 0 ) return float32_zero;
     shiftCount = countLeadingZeros64( a ) - 40;
     if ( 0 <= shiftCount ) {
-        return packFloat32( 1 > 0, 0x95 - shiftCount, a<<shiftCount );
+        return packFloat32(0, 0x95 - shiftCount, a<<shiftCount);
     }
     else {
         shiftCount += 7;
@@ -1248,7 +1248,7 @@
         else {
             a <<= shiftCount;
         }
-        return roundAndPackFloat32( 1 > 0, 0x9C - shiftCount, a STATUS_VAR );
+        return roundAndPackFloat32(0, 0x9C - shiftCount, a STATUS_VAR);
     }
 }