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softfloat: fix floatx80_is_infinity()

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With floatx80, the explicit bit is set for infinity.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno
2011-04-25 11:18:32 +02:00
parent e2f422047b
commit b76235e400
1 changed files with 1 additions and 1 deletions
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fpu/softfloat.h
+1 -1
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@@ -566,7 +566,7 @@ INLINE floatx80 floatx80_chs(floatx80 a)
INLINE int floatx80_is_infinity(floatx80 a)
{
return (a.high & 0x7fff) == 0x7fff && a.low == 0;
return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL;
}
INLINE int floatx80_is_neg(floatx80 a)