sim/arc:
        * decode5.c, decode5.h, decode6.c, decode6.h: Regenerate.
        * decode7.c, decode7.h, cpuall.h: Likewise.
        * model5.c, model6,c, model7.c: Likewise.
        * sem5-switch.c, sem5.c, sem6-switch.c, sem6.c: Likewise.
        * sem7-switch.c, sem7.c: Likewise.