On Thu, 2021-03-25 at 06:39 -0600, Richard Henderson wrote:
> On 3/24/21 9:15 PM, Robert Hoo wrote:
> > > > + } else if (env->xcr0 & XFEATURE_AVX) {
> > >
> > > This is normally a 2-bit test.
> >
> > I beg your pardon. What 2 bits?
>
> I forget the names, but isn't the usual test xcr0 & 6 == 6?
6 stands for SSE state-component and AVX state-component.
I'm not sure about this.
Can you remember where did you this "xcr0 & 6 == 6"? I can look into
that.
>
> > BTW, checkpatch didn't warn me on this. It escaped.:)
>
> Heh.
>
>
> r~
