* arc-asm.c, arc-desc.h, arc-ibld.c, arc-opc.h: Regenerate, using:
         Customer-Projects/synopsys/arc_gnu/branches/arc_gnu_4.8/srcw-20120503/cgen.
         * arc-desc.c, arc-dis.c, arc-opc.c, arc-opinst.c: Likewise.