Fwd: __ARM_ARCH_2__

zhaobin xv xvzhaobin@gmail.com
Thu Aug 8 09:51:00 GMT 2013

I don't know why  top-post on gcc-help
I can't find this in manual

2013/8/8 Andrew Haley <aph@redhat.com>:
> On 08/08/2013 10:37 AM, zhaobin xv wrote:
>> Thank you for your answer
>> if __ARM_ARCH_2__ is defined by GCC when compiling for the ARMv2
>> architecture,how  do gcc know the architecture is ARMv2?
>> and I can't find thing about __ARM_ARCH_2__ in gcc manual,could you
>> tell me where I can find
> Please don't top-post on gcc-help.
> GCC doesn't know the architecture is ARMv2.
> If the architecture is not ARMv2, you must use the correct arch
> arguments to GCC.  This is in the manual.
> Andrew.

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