diff options
Diffstat (limited to 'fpu/softfloat-specialize.h')
| -rw-r--r-- | fpu/softfloat-specialize.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 4fc9ea4ac0..515cb12cfa 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -87,6 +87,21 @@ this code that are retained. #endif /*---------------------------------------------------------------------------- +| For the deconstructed floating-point with fraction FRAC, return true +| if the fraction represents a signalling NaN; otherwise false. +*----------------------------------------------------------------------------*/ + +static bool parts_is_snan_frac(uint64_t frac, float_status *status) +{ +#ifdef NO_SIGNALING_NANS + return false; +#else + flag msb = extract64(frac, DECOMPOSED_BINARY_POINT - 1, 1); + return msb == status->snan_bit_is_one; +#endif +} + +/*---------------------------------------------------------------------------- | The pattern for a default generated half-precision NaN. *----------------------------------------------------------------------------*/ float16 float16_default_nan(float_status *status) |