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[Bug middle-end/34400] [4.3 regression] bad interaction between DF and SJLJ exceptions
- From: "zadeck at naturalbridge dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Dec 2007 13:30:21 -0000
- Subject: [Bug middle-end/34400] [4.3 regression] bad interaction between DF and SJLJ exceptions
- References: <bug-34400-286@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #17 from zadeck at naturalbridge dot com 2007-12-11 13:30 -------
Created an attachment (id=14729)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14729&action=view)
fixup of stevens hack
This hack cuts the -O compile time for the c testcase from 35 to 2 seconds.
my guess is that we will need a similar hack for the rd problem to get better.
interestingly the c test compiles in 4 seconds at -O2 both with and without
this patch. I assume that the tree level is cleaning things up.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34400