[PATCH 1/5] x86: Add -mmwait for -mgeneral-regs-only

H.J. Lu hjl.tools@gmail.com
Mon Aug 16 12:35:56 GMT 2021


On Mon, Aug 16, 2021 at 5:28 AM Richard Biener
<richard.guenther@gmail.com> wrote:
>
> On Mon, Aug 16, 2021 at 2:25 PM H.J. Lu <hjl.tools@gmail.com> wrote:
> >
> > On Sun, Aug 15, 2021 at 11:11 PM Richard Biener
> > <richard.guenther@gmail.com> wrote:
> > >
> > > On Fri, Aug 13, 2021 at 3:51 PM H.J. Lu <hjl.tools@gmail.com> wrote:
> > > >
> > > > Add -mmwait so that the MWAIT and MONITOR intrinsics can be used with
> > > > -mgeneral-regs-only and make -msse3 to imply -mmwait.
> > >
> > > Adding new options requires to bump the LTO streaming minor version
> > > (I know we forgot it once on the branch already when adding a new --param).
> > >
> > > Please take care of this when backporting.
> >
> > It was updated today:
> >
> > commit dce5367eecfb0729cad0325240d614721afb39e3
> > Author: Martin Liska <mliska@suse.cz>
> > Date:   Mon Aug 16 13:02:54 2021 +0200
> >
> >     LTO: bump minor version
> >
> >     Bump the LTO_minor_version due to changes in
> > 52f0aa4dee8401ef3958dbf789780b0ee877beab
> >
> >             PR c/100150
> >
> >     gcc/ChangeLog:
> >
> >             * lto-streamer.h (LTO_minor_version): Bump.
> >
> > Do I need to do it again if I can check in my patches this week?
>
> Yes please, and do it with the same commit doing the .opt change.
>

Here is the updated patch with LTO_minor_version bump.

Thanks.

-- 
H.J.
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