Re: [RFC PATCH 10/43] target/loongarch: Implement vaddw/vsubw

[Richard Henderson]

On 2/27/23 21:44, gaosong wrote:
> Hi, Richard
>
> 在 2023/2/25 上午7:01, Richard Henderson 写道:
> > On 2/23/23 21:24, gaosong wrote:
> > >          {
> > >              .fniv = gen_vaddwev_s,
> > >              .fno = gen_helper_vaddwev_w_h,
> > >              .opt_opc = vecop_list,
> > >              .vece = MO_32
> > >          },
> > >          {
> > >              .fniv = gen_vaddwev_s,
> > >              .fno = gen_helper_vaddwev_d_w,
> > >              .opt_opc = vecop_list,
> > >              .vece = MO_64
> > >          },
> >
> > Oh, these two can also include .fni4 and .fni8 integer versions, respectively, for hosts 
> > without the proper vector support.
> OK,
>
> but fno is not for hosts without the proper vector support?

For this definition, if the host has vector support, then the expansion will be done with 
.fniv, otherwise with .fno.


r~