diff options
| -rw-r--r-- | fpu/softfloat.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 15052cc..a6d0f16 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -489,6 +489,11 @@ INLINE int floatx80_is_zero(floatx80 a) return (a.high & 0x7fff) == 0 && a.low == 0; } +INLINE int floatx80_is_any_nan(floatx80 a) +{ + return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); +} + #endif #ifdef FLOAT128 @@ -556,6 +561,12 @@ INLINE int float128_is_zero(float128 a) return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0; } +INLINE int float128_is_any_nan(float128 a) +{ + return ((a.high >> 48) & 0x7fff) == 0x7fff && + ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); +} + #endif #else /* CONFIG_SOFTFLOAT */ |