45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From 41e7a1710ee9787900713a769b7d07677857260a Mon Sep 17 00:00:00 2001
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From: Peter Maydell <peter.maydell@linaro.org>
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Date: Fri, 28 Sep 2012 16:17:03 +0100
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Subject: [PATCH] fpu/softfloat.c: Return correctly signed values from
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uint64_to_float32
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The uint64_to_float32() conversion function was incorrectly always
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returning numbers with the sign bit set (ie negative numbers). Correct
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this so we return positive numbers instead.
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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(cherry picked from commit e744c06fca438dc08271e626034e632a270c91c8)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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fpu/softfloat.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/fpu/softfloat.c b/fpu/softfloat.c
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index b29256a..91497e8 100644
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--- a/fpu/softfloat.c
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+++ b/fpu/softfloat.c
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@@ -1238,7 +1238,7 @@ float32 uint64_to_float32( uint64 a STATUS_PARAM )
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if ( a == 0 ) return float32_zero;
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shiftCount = countLeadingZeros64( a ) - 40;
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if ( 0 <= shiftCount ) {
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- return packFloat32( 1 > 0, 0x95 - shiftCount, a<<shiftCount );
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+ return packFloat32(0, 0x95 - shiftCount, a<<shiftCount);
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}
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else {
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shiftCount += 7;
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@@ -1248,7 +1248,7 @@ float32 uint64_to_float32( uint64 a STATUS_PARAM )
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else {
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a <<= shiftCount;
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}
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- return roundAndPackFloat32( 1 > 0, 0x9C - shiftCount, a STATUS_VAR );
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+ return roundAndPackFloat32(0, 0x9C - shiftCount, a STATUS_VAR);
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}
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}
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--
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1.7.12.1
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