PAL_OSF1_callsys
97: call_pal PAL_OSF1_callsys; \
99: call_pal PAL_OSF1_callsys; \
: "i" (PAL_OSF1_callsys), "r" (arg1), "r" (arg2),
{ "osf1_callsys", PAL_OSF1_callsys },
case PAL_OSF1_callsys: