Re: [PATCH v3] xen/arm64: Add support Clang build on arm64

[Saman Dehghan <samaan.dehghan@xxxxxxxxx>]

On Thu, Dec 11, 2025 at 7:50 AM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 11.12.2025 13:57, Saman Dehghan wrote:
> > --- a/xen/arch/arm/arm64/vfp.c
> > +++ b/xen/arch/arm/arm64/vfp.c
> > @@ -6,7 +6,8 @@
> >
> >  static inline void save_state(uint64_t *fpregs)
> >  {
> > -    asm volatile("stp q0, q1, [%1, #16 * 0]\n\t"
> > +    asm volatile(".arch_extension fp\n\t"
>
> This will take effect for the rest of the (generated) assembler file, which 
> aiui
> isn't what you want.

Thanks Jan, I also noticed I forgot ".arch_extension nofp" just after
sending the patch. Sorry about that.

~Saman

>
> Jan