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[Bug rtl-optimization/19078] [4.0 Regression] Poor quality code after loop unrolling.
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Feb 2005 11:02:55 -0000
- Subject: [Bug rtl-optimization/19078] [4.0 Regression] Poor quality code after loop unrolling.
- References: <20041219105831.19078.chris@bubblescope.net>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From steven at gcc dot gnu dot org 2005-02-10 11:02 -------
In comment #3 Zdenek said "Possibly even better would be to add generation of
autoincrements to loop optimizer, but this would require fixing cse so that it
handles them correctly." Zdenek, can you elaborate on why CSE needs fixing?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19078