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[Bug rtl-optimization/12845] [3.4/4.0 Regression] missed jump optimization
- From: "kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Dec 2004 18:58:20 -0000
- Subject: [Bug rtl-optimization/12845] [3.4/4.0 Regression] missed jump optimization
- References: <20031030183500.12845.danglin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From kazu at cs dot umass dot edu 2004-12-13 18:58 -------
Dave, does the current mainline fix the problem you are seeing?
The mainline should propagate constants more aggressively
and eliminate those conditional jumps where we know which edge is taken.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12845