Andrew Haley aph@redhat.com
Fri Aug 9 07:55:00 GMT 2013

On 08/09/2013 08:02 AM, zhaobin xv wrote:
> Hello
> when I study arnlinux ,I find the word __ARM_ARCH_2__.I know it is
> defined by gcc.
> I know it may be preprocessor symbol(macros).
> but I can't find something about __ARM_ARCH_2__ in gcc manual.

It's not there.

> so  I writte to you
> I want to know something about __ARM_ARCH_*__.
> which manual I can find __ARM_ARCH_*__ in .

We don't know.  It may be in one of the ARM CPU-specific specifications,
but I haven't found it.

Please do not ask again.


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