http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50164
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-25 13:58:28 UTC --- (In reply to comment #2) > (In reply to comment #1) > > Yesterday I sent a patch > > http://gcc.gnu.org/ml/gcc-patches/2011-08/msg01954.html which most probably > > solved the problem. > > > > Now I have code size 419 (gcc 4.6) vs 411 (gcc as of Aug 24) bytes for the > > test. > > I tried it but unfortunately it did not solve the regression. We still have xk > on the stack and x1.5 more memory accesses in GCC 4.7 assembly for mentioned > code part. GCC 4.6 produces bigger but faster code. > Can you find which checkin caused this?
