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softfloat: Fix shift128Right for shift counts 64..127

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shift128Right would give the wrong result for a shift count
between 64 and 127. This was never noticed because all of
our uses of this function are guaranteed not to use shift
counts in this range.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1370186269-24353-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Peter Maydell 2013-06-02 16:17:49 +01:00 committed by Anthony Liguori
parent bc7d0e6674
commit 4039736e6f
1 changed files with 1 additions and 1 deletions
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2
fpu/softfloat-macros.h
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@ -168,7 +168,7 @@ INLINE void
z0 = a0>>count;
}
else {
z1 = ( count < 64 ) ? ( a0>>( count & 63 ) ) : 0;
z1 = (count < 128) ? (a0 >> (count & 63)) : 0;
z0 = 0;
}
*z1Ptr = z1;