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[Bug tree-optimization/18880] DSE is not doing its job for global variables
- 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: 8 Dec 2004 02:27:56 -0000
- Subject: [Bug tree-optimization/18880] DSE is not doing its job for global variables
- References: <20041208022054.18880.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-08 02:27 -------
Looks like DSE is not following V_MUST_DEF chains (well since really V_MUST_DEF just became chains I
would assume this was not like not before).
If we use "--param global-var-threshold=0", DSE removes the store.
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What |Removed |Added
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Severity|normal |enhancement
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18880