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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


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