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On Fri, 2011-08-05 at 08:37 -0700, Kamble, Nitin A wrote:
> Changing TARGET_ARCH is not correct way to handle it. Because HW/ARCH is 
> not different, the difference is in the ABI of the OS. 

Well, I'm not entirely sure I agree with what you're saying here.  There
are at least a few precedents for encoding ABI details (eg hardfloat
parameter passing, endianness) into TARGET_ARCH, and it seems to me that
they belong there more naturally than in TARGET_OS.

p.