Re: [Qemu-devel] [PATCH v5 23/28] fpu/softfloat: Make is_nan et al available to softfloat-specialize.h

["Alex Bennée" <alex.bennee@linaro.org>]

Richard Henderson <richard.henderson@linaro.org> writes:

> We will need these helpers within softfloat-specialize.h, so move
> the definitions above the include.  After specialization, they will
> not always be used so mark them to avoid the Werror.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  fpu/softfloat.c | 30 ++++++++++++++++--------------
>  1 file changed, 16 insertions(+), 14 deletions(-)
>
> diff --git a/fpu/softfloat.c b/fpu/softfloat.c
> index e9e421728b..9934adbae5 100644
> --- a/fpu/softfloat.c
> +++ b/fpu/softfloat.c
> @@ -181,6 +181,22 @@ typedef enum __attribute__ ((__packed__)) {
>      float_class_snan,
>  } FloatClass;
>
> +/* Simple helpers for checking if, or what kind of, NaN we have */
> +static inline __attribute__((unused)) bool is_nan(FloatClass c)
> +{
> +    return unlikely(c >= float_class_qnan);
> +}
> +
> +static inline __attribute__((unused)) bool is_snan(FloatClass c)
> +{
> +    return c == float_class_snan;
> +}
> +
> +static inline __attribute__((unused)) bool is_qnan(FloatClass c)
> +{
> +    return c == float_class_qnan;
> +}
> +
>  /*
>   * Structure holding all of the decomposed parts of a float. The
>   * exponent is unbiased and the fraction is normalized. All
> @@ -536,20 +552,6 @@ static float64 float64_round_pack_canonical(FloatParts p, float_status *s)
>      return float64_pack_raw(round_canonical(p, s, &float64_params));
>  }
>
> -/* Simple helpers for checking if what NaN we have */
> -static bool is_nan(FloatClass c)
> -{
> -    return unlikely(c >= float_class_qnan);
> -}
> -static bool is_snan(FloatClass c)
> -{
> -    return c == float_class_snan;
> -}
> -static bool is_qnan(FloatClass c)
> -{
> -    return c == float_class_qnan;
> -}
> -
>  static FloatParts return_nan(FloatParts a, float_status *s)
>  {
>      switch (a.cls) {


--
Alex Bennée