On 7/12/20 4:45 PM, LIU Zhiwei wrote:
> Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com>
> ---
> fpu/softfloat-specialize.inc.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fpu/softfloat-specialize.inc.c b/fpu/softfloat-specialize.inc.c
> index 034d18199c..6b778a7830 100644
> --- a/fpu/softfloat-specialize.inc.c
> +++ b/fpu/softfloat-specialize.inc.c
> @@ -292,7 +292,7 @@ bool float32_is_quiet_nan(float32 a_, float_status
> *status)
> if (snan_bit_is_one(status)) {
> return (((a >> 22) & 0x1FF) == 0x1FE) && (a & 0x003FFFFF);
> } else {
> - return ((uint32_t)(a << 1) >= 0xFF800000);
> + return ((a >> 22) & 0x1FF) == 0x1FF;
> }
> #endif
> }
I don't see a reason for this. The previous was a bug, but this isn't.
r~
