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[Bug tree-optimization/18046] Missed jump threading optimization
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Mar 2006 16:05:21 -0000
- Subject: [Bug tree-optimization/18046] Missed jump threading optimization
- References: <bug-18046-280@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from pinskia at gcc dot gnu dot org 2006-03-21 16:05 -------
(In reply to comment #9)
> Daniel -- there's a pretty obvious redundant load from the global
> variable "i" in this testcase. I haven't investigated why PRE
> is missing this obvious redundancy.
Because tree level load PRE does not handle global variables, there is another
bug about this, PR 23455.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18046