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[Bug tree-optimization/38513] Only postreload will remove a no-op store
- 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: 29 Dec 2008 19:23:20 -0000
- Subject: [Bug tree-optimization/38513] Only postreload will remove a no-op store
- References: <bug-38513-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rguenth at gcc dot gnu dot org 2008-12-29 19:23 -------
Created an attachment (id=17002)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17002&action=view)
patch
The idea is simple - delete redundant stores whose RHS have the same
value-number
as the LHS.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38513