Subzero, MIPS32: Implement logical instructions ashr, lshr, shl This patch adds support for logical operations ashr, lshr and shl. R=stichnot@chromium.org Review URL: https://codereview.chromium.org/1975283002 . Patch from Srdjan Obucina <Srdjan.Obucina@imgtec.com>.