[PATCH] nreverse
Devang Patel
dpatel@apple.com
Tue Apr 15 19:29:00 GMT 2003
On Tuesday, April 15, 2003, at 10:58 AM, Mark Mitchell wrote:
> And if we're going to start factoring NULL tests out of functions to
> avoid function call overhead, the the right way to do that is:
>
> bool predicate_f (tree);
>
> #define predicate(T) ((T) ? predicate_f ((T)) : false)
>
> or the equivalent version with an inline function.
>
hmm... this reminded this quick hack I have in my local sources since
last
couple of months. This reduces nreverse () call from 14129 to 4405 calls
for hello world in C++ using std::cout. It reduces nreverse () calls
from
32090 to 11370 on larger test case.
OK to commit ?
Thank you,
-Devang
2003-04-15 Devang Patel <dpatel@apple.com>
* tree.h (nreverse_fn): Rename nreverse () as nreverse_fn ().
(nreverse): #define to call nreverse_fn ().
* tree.c (nreverse_fn): Rename nreverse () as nreverse_fn ().
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