On Dec 16, 2008, at 1:14 PM, Anton Vorontsov wrote:
On Tue, Dec 16, 2008 at 01:00:13PM -0600, Scott Wood wrote:
Anton Vorontsov wrote:
GCC can still issue the of_find_node_by_name() call. (I wonder if
there is any way to tell gcc that particular function doesn't
produce any side-effects so that gcc can optimize it away too).
__attribute__((pure))
Ah, thanks!
But I forgot that of_find_node_by_name() and friends aren't
actually "pure", they're getting the node. :-(
Looking at include/linux/compiler-gcc.h I'm guessing the proper way to
use it is __pure & inclusion of compiler.h
- k
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