[Bug middle-end/33966] New: Revision 129625 caused 1% slowdown on 200.sixtrack

[hjl at lucon dot org]

Revision 129625

http://gcc.gnu.org/ml/gcc-cvs/2007-10/msg00730.html

caused 11% drop in performance for 200.sixtrack in SPEC CPU 2000
with -O2 -ffast-math on Core 2 Duo 64bit. That patch caused very
different codes generated for 200.sixtrack on x86-64.


-- 
           Summary: Revision 129625 caused 1% slowdown on 200.sixtrack
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl at lucon dot org
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33966