Implement 128-bit PMOVMSKB using a single new primop (Iop_GetMSBs8x16)
rather than chopping it up into two 64-bit pieces in the front end.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2590 8f6e269a-dfd6-0310-a8e1-e2731360e62c
6 files changed