On Mon, Dec 19, 2022 at 8:52 PM Hongtao Liu <crazy...@gmail.com> wrote: > > On Thu, Dec 15, 2022 at 3:45 PM Hongtao Liu <crazy...@gmail.com> wrote: > > > > On Thu, Dec 15, 2022 at 3:39 PM Jakub Jelinek <ja...@redhat.com> wrote: > > > > > > On Thu, Dec 15, 2022 at 02:21:37PM +0800, liuhongt via Gcc-patches wrote: > > > > --- a/gcc/config/i386/i386.opt > > > > +++ b/gcc/config/i386/i386.opt > > > > @@ -420,6 +420,10 @@ mpc80 > > > > 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. -- H.J.
