Enable MOVDIRI, MOVDIR64B, CLDEMOTE and WAITPKG for march=tremont

[Hongtao Liu]

On Tue, Nov 10, 2020 at 4:17 PM Hongtao Liu <crazylht@gmail.com> wrote:
>
> On Tue, Nov 10, 2020 at 3:22 AM Jason Merrill via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > This patch was also applied to the GCC 9 and 10 branches and breaks those
> > builds, because PTA_CLDEMOTE is not defined.
> >
> Mine, let me fix it, sorry for that.
>

Since CLDEMOTE already existed in gcc9 and later, define PTA_CLDEMOTE
instead of removing it.
Similar for MOVDIRI, MOVDIR64B.

GCC10-Fix.patch

gcc/ChangeLog
        * config/i386/i386-options.c (ix86_option_override_internal):
        Handle PTA_CLDEMOTE.
        * config/i386/i386.h (PTA_CLDEMOTE): Define.

GCC9-Fix.patch

gcc/ChangeLog
        * config/i386/i386.c (ix86_option_override_internal):
        Handle PTA_CLDEMOTE, PTA_MOVDIRI, PTA_MOVDIR64B.
        * config/i386/i386.h (PTA_CLDEMOTE, PTA_MOVDIRI,
        PTA_MOVDIR64B.): Define.

Bootstrap and regression test for i386 backend is ok on releases/gcc-9
and releases/gcc-10 branch.

Sorry for such unnecessary inconvenience.

> --
> BR,
> Hongtao



--
BR,
Hongtao
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