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[Bug target/29256] [4.4/4.5/4.6/4.7 regression] loop performance regression
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 12 Jan 2012 12:26:59 +0000
- Subject: [Bug target/29256] [4.4/4.5/4.6/4.7 regression] loop performance regression
- Auto-submitted: auto-generated
- References: <bug-29256-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |powerpc-*-*
Component|middle-end |target
--- Comment #41 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-12 12:26:59 UTC ---
Seems to be more-or-less target dependent, so adding a list of targets
affected.
For powerpc we still use N induction variables after unrolling instead of just
one. Which I suppose was the point of this regression report.