Hi The following patches implemented the optimizations suggested by PR53189, optimizations of 64bit logic operation with constant. Could any maintainer help to review it?
http://gcc.gnu.org/ml/gcc-patches/2012-07/msg00087.html http://gcc.gnu.org/ml/gcc-patches/2012-07/msg00169.html http://gcc.gnu.org/ml/gcc-patches/2012-07/msg00226.html thanks Carrot
