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Re: GCC Tests For ARM/Neon
> We chose arm-elf as the starting point years. If we need to
> move to arm-eabi as the starting point that is OK. We usually
> just chose the CPU-coff or CPU-elf as a starting point
> for CPU-rtems.
I highly recommend switching to the EABI.
If you want to support recent (Thumb-2) CPUs I'd expect that you pretty much
have to use an EABI based target.
> What is the difference and how will it impact code? I am
> worried about our assembly code.
The main visible change is that that you must preserve 8-byte stack alignment
at public entry points.
> Is there a standard conditional to know the difference if
> it matters?
__ARM_EABI__
Paul