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[Bug tree-optimization/21485] [4.0/4.1/4.2/4.3 Regression] codegen regression due to PRE increasing register pressure (missing load PRE really)
- 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: 18 Jun 2007 06:12:58 -0000
- Subject: [Bug tree-optimization/21485] [4.0/4.1/4.2/4.3 Regression] codegen regression due to PRE increasing register pressure (missing load PRE really)
- References: <bug-21485-10607@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #22 from pinskia at gcc dot gnu dot org 2007-06-18 06:12 -------
This is basically fixed by the pointer_plus except we still have some
combinable code (though this is not PRE's fault); see
http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01996.html for how to fix that
issue.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21485