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[Qemu-devel] [PATCH 14/60] fpu/softfloat.c: Return correctly signed valu


From: Michael Tokarev
Subject: [Qemu-devel] [PATCH 14/60] fpu/softfloat.c: Return correctly signed values from uint64_to_float32
Date: Mon, 4 Feb 2013 14:40:24 +0400

From: Peter Maydell <address@hidden>

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 <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
(cherry picked from commit e744c06fca438dc08271e626034e632a270c91c8)

Signed-off-by: Michael Tokarev <address@hidden>
---
 fpu/softfloat.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 @@ float32 uint64_to_float32( uint64 a STATUS_PARAM )
     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 @@ float32 uint64_to_float32( uint64 a STATUS_PARAM )
         else {
             a <<= shiftCount;
         }
-        return roundAndPackFloat32( 1 > 0, 0x9C - shiftCount, a STATUS_VAR );
+        return roundAndPackFloat32(0, 0x9C - shiftCount, a STATUS_VAR);
     }
 }
 
-- 
1.7.10.4




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