On Thu, May 5, 2022 at 10:23 AM Hongtao Liu <crazy...@gmail.com> wrote:
>
> On Thu, May 5, 2022 at 4:09 PM Uros Bizjak via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > On Thu, May 5, 2022 at 9:50 AM Richard Biener via Gcc-patches
> > <gcc-patches@gcc.gnu.org> wrote:
> > >
> > > On Thu, May 5, 2022 at 9:37 AM liuhongt via Gcc-patches
> > > <gcc-patches@gcc.gnu.org> wrote:
> > > >
> > > > Enable optimization for TImode only under 32-bit target, for 64-bit
> > > > target there could be extra ineteger <-> sse move regarding psABI,
> > > > not efficient.
> > > >
> > > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}
> > > > Ok for trunk?
> > >
> > > I wonder if this is better done in STV where we could assess this extra
> > > cost?
> >
> > Yes, this should be handled via STV, Roger Sayle (CC'd) has proposed a
> > patch that does just that.
> >
> My patch also handles OImode, I think that part could be a separate patch.
Yes, OImode (and TImode on x86_32) can't be implemented using integer registers.
Uros,
