https://sourceware.org/bugzilla/show_bug.cgi?id=28078
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rearnsha at gcc dot gnu.org
--- Comment #4 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
(In reply to Tamar Christina from comment #3)
> Hi,
>
> >arm-unknown-linux-musleabihf-as -march=armv8.2-a+dotprod -mfpu=auto test.s
> > Assembler messages:
> > Error: unknown floating point format `auto'
> >
> > Error: unrecognized option -mfpu=auto
>
> hmm no it looks like we don't have -mfpu=auto at the assembler level yet,
> only at the compiler level.
>
> But trying it locally it does seem like something has broken..
This is down to a change in binutils (gas); but that was to fix a different
bug, so I don't think it can be reverted.
I think the solution is that we need to re-issue the architecture extensions
that relate to the FPU after emitting a .fpu directive.
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