diff options
Diffstat (limited to 'fpu')
| -rw-r--r-- | fpu/softfloat-specialize.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 11521cebf4..eb644b2273 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -468,7 +468,8 @@ static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM) /*---------------------------------------------------------------------------- | Returns 1 if the extended double-precision floating-point value `a' is a -| quiet NaN; otherwise returns 0. +| quiet NaN; otherwise returns 0. This slightly differs from the same +| function for other types as floatx80 has an explicit bit. *----------------------------------------------------------------------------*/ int floatx80_is_quiet_nan( floatx80 a ) @@ -482,19 +483,22 @@ int floatx80_is_quiet_nan( floatx80 a ) && (bits64) ( aLow<<1 ) && ( a.low == aLow ); #else - return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 ); + return ( ( a.high & 0x7FFF ) == 0x7FFF ) + && (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 ))); #endif } /*---------------------------------------------------------------------------- | Returns 1 if the extended double-precision floating-point value `a' is a -| signaling NaN; otherwise returns 0. +| signaling NaN; otherwise returns 0. This slightly differs from the same +| function for other types as floatx80 has an explicit bit. *----------------------------------------------------------------------------*/ int floatx80_is_signaling_nan( floatx80 a ) { #if SNAN_BIT_IS_ONE - return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 ); + return ( ( a.high & 0x7FFF ) == 0x7FFF ) + && (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 ))); #else bits64 aLow; |