fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

softfloat: add NO_SIGNALING_NANS

Browse source 
Architectures that don't have signaling NaNs can define
NO_SIGNALING_NANS, it will make float*_is_quiet_nan return 1 for any NaN
and float*_is_signaling_nan always return 0.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Max Filippov 2012-09-19 04:23:51 +04:00 • committed by Blue Swirl
parent 6617680296
commit 213ff4e6df
2 changed files with 72 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
fpu/softfloat.h
View file

@ -251,6 +251,11 @@ int float16_is_quiet_nan( float16 );
int float16_is_signaling_nan( float16 );
float16 float16_maybe_silence_nan( float16 );
INLINE int float16_is_any_nan(float16 a)
{
return ((float16_val(a) & ~0x8000) > 0x7c00);
}
/*----------------------------------------------------------------------------
| The pattern for a default generated half-precision NaN.
*----------------------------------------------------------------------------*/