Re: [Qemu-devel] [PATCH v2 04/20] include/fpu/softfloat: implement float16_chs helper

[Peter Maydell]

On 9 January 2018 at 12:22, Alex Bennée <address@hidden> wrote:
> Signed-off-by: Alex Bennée <address@hidden>
> Reviewed-by: Richard Henderson <address@hidden>
> ---
>  include/fpu/softfloat.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
> index cfc615008d..dc71b01dba 100644
> --- a/include/fpu/softfloat.h
> +++ b/include/fpu/softfloat.h
> @@ -354,6 +354,15 @@ static inline float16 float16_abs(float16 a)
>       */
>      return make_float16(float16_val(a) & 0x7fff);
>  }
> +
> +static inline float16 float16_chs(float16 a)
> +{
> +    /* Note that chs does *not* handle NaN specially, nor does
> +     * it flush denormal inputs to zero.
> +     */
> +    return make_float16(float16_val(a) ^ 0x8000);
> +}
> +
Reviewed-by: Peter Maydell <address@hidden>

thanks
-- PMM