[PATCH][GCC] aarch64: add armv9-a to -march

[Przemyslaw Wirkus]

> > Subject: [PATCH][GCC] aarch64: add armv9-a to -march
> >
> > Patch is adding new command line option 'armv9-a' to -march.
> >
> > OK for master?
> 
> Ok.

commit f0688d42c9b74a6999548ff2e79ae440b049b87f

> Thanks,
> Kyrill
> 
> >
> > gcc/ChangeLog:
> >
> > 2021-09-22  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* config/aarch64/aarch64-arches.def (AARCH64_ARCH): Added
> > 	armv9-a.
> > 	* config/aarch64/aarch64.h (AARCH64_FL_V9): New.
> > 	(AARCH64_FL_FOR_ARCH9): New flags for Armv9-A.
> > 	(AARCH64_ISA_V9): New ISA flag.