case SV_INVOCATION_ID: return 0x11;
case SV_YDIR: return 0x12;
case SV_THREAD_KILL: return 0x13;
+ case SV_COMBINED_TID: return 0x20;
case SV_TID: return 0x21 + SDATA(ref).sv.index;
case SV_CTAID: return 0x25 + SDATA(ref).sv.index;
case SV_NTID: return 0x29 + SDATA(ref).sv.index;