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[Bug tree-optimization/50693] Slightly different loop body leads not vectoring loop
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Oct 2011 22:53:50 +0000
- Subject: [Bug tree-optimization/50693] Slightly different loop body leads not vectoring loop
- Auto-submitted: auto-generated
- References: <bug-50693-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Component|c |tree-optimization
Summary|Slightly different loop |Slightly different loop
|body leads to 5.5x slower |body leads not vectoring
|performance |loop
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-10 22:53:50 UTC ---
The loop is not vectorized in the second case for some reason.