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Re: PATCH: Speed up darwin.c


Mike Stump wrote:

On Thursday, July 22, 2004, at 09:38 PM, Mark Mitchell wrote:

This patch eliminates the quadratic identifier searching stuff in
darwin.c and the associated:

!           /* FIXME: This breaks the identifier hash table.  */
!           IDENTIFIER_NODE_CHECK (TREE_VALUE (temp))->identifier.id.str
!         = (unsigned char *) name;

bits.


Thanks. I gave this a quick once over, and it looks ok. The biggest thing that I think might be able to be fixed is the hash table you added.

Yes. The only reason this is necessary is that when the stub/non-lazy pointer is marked as referenced we need to go back and mark the original thing as referenced as well. It maybe that this never happens, or could be accomplished in another way. However, this change effectively dropped all of this stuff completely off the profile, so I'm not terribly worried about it at the moment.


I would not be amazed if I failed to find some corner case that needs to be dealt with somewhere, although I did the obvious tests + DejaGNU. If you find something, please let me know.

--
Mark Mitchell
CodeSourcery, LLC
(916) 791-8304
mark@codesourcery.com


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