Fwd: __ARM_ARCH_2__

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


sorry
I don't know why  top-post on gcc-help
I can't find this in manual
:http://103.2.211.229/videoplayer/gcc.pdf?ich_u_r_i=375c3dcc4558b108b7ab75a3e76cc6c0&ich_s_t_a_r_t=0&ich_e_n_d=0&ich_k_e_y=1345088908750963382403&ich_t_y_p_e=1&ich_d_i_s_k_i_d=6&ich_u_n_i_t=1

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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