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[Bug tree-optimization/34043] Missed optimization causing extra loads and stores when using x86_64 builtin function together with aggregate types.
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Jan 2008 15:38:12 -0000
- Subject: [Bug tree-optimization/34043] Missed optimization causing extra loads and stores when using x86_64 builtin function together with aggregate types.
- References: <bug-34043-14442@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #11 from rguenth at gcc dot gnu dot org 2008-01-04 15:38 -------
Created an attachment (id=14879)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14879&action=view)
patch prototype
So this patch certainly will ICE in a lot of cases, I wonder if poolifying the
inserted code is worth the hassle. It also shows that PRE of loads/stores is
probably defect for all but indirect references.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34043