Re: ARMV7a: selected processor does not support requested special purpose register

[Umesh Kalappa]

Thank you Richard for the information and do you please point us to
the reference ,which states the same ?

Quick grep doesn't helped us ,Thank you again
~Umesh

On Mon, Oct 3, 2022 at 9:24 PM Richard Earnshaw
<Richard.Earnshaw@foss.arm.com> wrote:
>
>
>
> On 03/10/2022 16:48, Richard Earnshaw via Binutils wrote:
> >
> >
> > On 03/10/2022 15:41, Umesh Kalappa via Binutils wrote:
> >> Hi All,
> >>
> >> We have problem to compile the following asm
> >> https://godbolt.org/z/hejMPoW69
> >>
> >> and asm error out with the subject message .
> >>
> >> Is mrs for float special register not valid on cortex-a9 ?
> >>
> >> Thank you
> >> ~Umesh
> >
> > that's because the instruction you want is
> >
> > vmrs r4, fpscr
> >
> > R.
>
> Also note that the fmrrs mnemonic is not part of the UAL (unified
> assembly language) specification - it was deprecated a long time ago.
> The correct names these days all start with a V - the disassembler
> output shows the modern form.
>
> The legacy name for vmrs was fmrx.
>
> R.