On 3/12/20 7:58 AM, LIU Zhiwei wrote:
> +/*
> + * vfwcvt.f.f.v vd, vs2, vm #
> + * Convert single-width float to double-width float.
> + */
> +static uint32_t vfwcvtffv16(uint16_t a, float_status *s)
> +{
> + return float16_to_float32(a, true, s);
> +}
> +static uint64_t vfwcvtffv32(uint32_t a, float_status *s)
> +{
> + return float32_to_float64(a, s);
> +}
Do you actually need this second one, as opposed to using float32_to_float64
directly?
> +RVVCALL(OPFVV1, vfwcvt_f_f_v_h, WOP_UU_H, H4, H2, vfwcvtffv16)
> +RVVCALL(OPFVV1, vfwcvt_f_f_v_w, WOP_UU_W, H8, H4, vfwcvtffv32)
> +GEN_VEXT_V_ENV(vfwcvt_f_f_v_h, 2, 4, clearl)
> +GEN_VEXT_V_ENV(vfwcvt_f_f_v_w, 4, 8, clearq)
>
Otherwise,
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
