On Thu, Dec 22, 2022 at 6:46 AM Jakub Jelinek <ja...@redhat.com> wrote:
>
> On Wed, Dec 21, 2022 at 02:43:43PM -0800, H.J. Lu wrote:
> > > > > > > > Target RejectNegative
> > > > > > > > Set 80387 floating-point precision to 80-bit.
> > > > > > > >
> > > > > > > > +mdaz-ftz
> > > > > > > > +Target
> > > > > > >
> > > > > > > s/Target/Driver/
> > > > > > Change to Driver and Got error like:cc1: error: command-line option
> > > > > > ‘-mdaz-ftz’ is valid for the driver but not for C.
> > > > > Hi Jakub:
> > > > > I didn't find a good solution to handle this error after changing
> > > > > *Target* to *Driver*, Could you give some hints how to solve this
> > > > > problem?
> > > > > Or is it ok for you to mark this as *Target*(there won't be any save
> > > > > and restore in cfun since there's no variable defined here.)
> > > >
> > > > Since all -m* options are passed to cc1, -mdaz-ftz can't be marked
> > > > as Driver. We need to give it a different name to mark it as Driver.
> > >
> > > It is ok like that.
> > >
> > > Jakub
> > >
> >
> > The GCC driver handles -mno-XXX automatically for -mXXX. Use
> > a different name needs to handle the negation. Or we can do something
> > like this to check for CL_DRIVER before passing it to cc1.
>
> I meant I'm ok with -m{,no-}daz-ftz option being Target rather than Driver.
>
Thanks.
Uros, Is the patch for you?
> Jakub
>
--
BR,
Hongtao
