Add more test cases: mul, mvni, not, pmul, pmull, rbit, rev16/32/64,
saba, uaba, sabal, uabal, sabd, uabd, sabdl, uabdl, sadalp, uadalp,
saddl, uaddl, ssubl, usubl, saddlp, uaddlp, saddlv, uaddlv, saddw,
uaddw, ssubw, usubw, shadd, uhadd, shsub, uhsub.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13946 a5019735-40e9-0310-863c-91ae7b9d1cf9