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[Bug tree-optimization/26854] Inordinate compile times on large routines
- From: "zadeck at naturalbridge dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Jan 2008 21:20:40 -0000
- Subject: [Bug tree-optimization/26854] Inordinate compile times on large routines
- References: <bug-26854-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #50 from zadeck at naturalbridge dot com 2008-01-17 21:20 -------
Subject:
Mark,
Am I allowed to set the target milestone for a patch or is that your job?
26854 is not going to get fixed for 4.3. We made a lot of progress on it
with the patches to 34400, but largest remaining problem is the space
that the current representation of def-use and use-def chains requires.
I should be able to almost cut this in half if we move to something like
a vec rather than a linked list.
But this is a big patch and i do not want to start this until stage I.
kenny
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26854