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[Bug rtl-optimization/21485] [4.0/4.1/4.2 Regression] codegen regression due to PRE increasing register pressure
- From: "dberlin at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Feb 2006 19:46:03 -0000
- Subject: [Bug rtl-optimization/21485] [4.0/4.1/4.2 Regression] codegen regression due to PRE increasing register pressure
- References: <bug-21485-10607@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from dberlin at gcc dot gnu dot org 2006-02-16 19:46 -------
So uh, has anyone figured out why we don't get 1500 with -fno-tree-pre?
Does -fno-gcse help too?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21485