Re: [RFC v2 59/76] target/riscv: rvv-0.9: floating-point slide instructions

[Richard Henderson]

On 7/22/20 2:16 AM, frank.ch...@sifive.com wrote:
> +DEF_HELPER_6(vfslide1up_vf_h, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfslide1up_vf_w, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfslide1up_vf_d, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfslide1down_vf_h, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfslide1down_vf_w, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfslide1down_vf_d, void, ptr, ptr, i64, ptr, env, i32)

You should not need new helpers.

The only difference between vfslide1up and vslide1up is the source and the
nanboxing.  Which you can do in the translator before using the existing 
helpers.


r~