[cfe-commits] [patch] Implement __clear_cache on ARM

[Rafael Espindola]

The attached patch implements __clear_cache for the ARM. The
implementation is not as simple as I would expect. The problem is that
I cannot use "f" because there is no header defining it and cannot use
"F" because it doesn't start with __builtin (we would have a call to
"che" :-) ).

The patch also removes some dead code. There is not need to special
case ARM::BI__builtin_thread_pointer since the generic intrinsic
handling code takes care of it.

Cheers,
-- 
Rafael Ávila de Espíndola
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