I'm working with the following function, trimmed down to
demonstrate my problem
PPC Darwin's ABI does not have TOC and R2 is considered volatile
through function calls
just like r0.
What are you really trying to do?
Note:
asm("mr %0, r2\n\t" : "=r" (toc) : : "r2" );
is wrong as you are not clobbering r2 at all.
-- Pinski
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