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Re: GCC Tests For ARM/Neon
On Wed, 6 Aug 2008, Joel Sherrill wrote:
> I see the code for arm_neon_ok. If I can make that test fail,
> we are in business. I tried the cpp part of the following code
> and it doesn't trip for:
>
> arm-rtems4.9-gcc -mfpu=neon -mfloat-abi=softfp -mcpu=arm7tdmi -c test_neon.c
>
> But when I added the "neon_code" function with the
> assembly code gas didn't like in one of the tests, I
> get a compilation error.
>
> Do you have any better suggestion on how to make
> arm_neon_ok fail? Or is this OK to add to the
> macro?
You should not need to add the assembly code. If NEON is not in fact
effectively enabled then the preprocessor macro should not be defined.
--
Joseph S. Myers
joseph@codesourcery.com