[Bug target/115732] Arm32 architecture definitions for v8+ appear to have wrong FPU/SIMD defaults

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115732

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Alex Rønne Petersen from comment #1)
> While here, I also noticed that GCC is missing a fair amount of post-v8
> architecture definitions that LLVM has:
> https://github.com/llvm/llvm-project/blob/
> a8e1c3e1239604ac787b6a2d39b5278ddec8aa8a/llvm/lib/Target/ARM/
> ARMArchitectures.td#L85-L331
> 
> Should I file a separate bug for this?

So most of the differences between 8.x-a and 8-a on are on the aarch64 side so
they don't make a difference here. Plus IIRC arm (32bit and thumb) support for
armv8-a is not going to be the main target, rather aarch64 is. armv8-r and
armv8-m are the main thing for arm (aarch32/thumb).