Using __sync_* builtins within libgcc code

[H.J. Lu]

On Tue, Jun 10, 2008 at 02:27:17PM +0200, Paolo Carlini wrote:
> Joseph S. Myers wrote:
>> I hold that it is a bug that i686-* tools default to -march=i386 instead 
>> of -march=i686 (whereas e.g. sparcv9-* tools default to -mcpu=sparcv9, and 
>> -mcpu means -march for SPARC).
> Seconded.
>

What arch should be used for -m32 on x86-64? Personally, I think
it should be at least i686, if not SSE2.


H.J.