On 12/11/2017 09:56 AM, Alex Bennée wrote:
> This will be required when expanding the MINMAX() macro for 16
> bit/half-precision operations.
>
> Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
> Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
> ---
> include/fpu/softfloat.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
> index d5e99667b6..edf402d422 100644
> --- a/include/fpu/softfloat.h
> +++ b/include/fpu/softfloat.h
> @@ -374,6 +374,13 @@ static inline int float16_is_zero_or_denormal(float16 a)
> return (float16_val(a) & 0x7c00) == 0;
> }
>
> +static inline float16 float16_abs(float16 a)
> +{
> + /* Note that abs does *not* handle NaN specially, nor does
> + * it flush denormal inputs to zero.
> + */
> + return make_float16(float16_val(a) & 0x7fff);
> +}
>
> /*----------------------------------------------------------------------------
> | The pattern for a default generated half-precision NaN.
>
> *----------------------------------------------------------------------------*/
>
