evergreen 0x9400
+0x0000802C GRBM_GFX_INDEX
0x00008040 WAIT_UNTIL
0x00008044 WAIT_UNTIL_POLL_CNTL
0x00008048 WAIT_UNTIL_POLL_MASK
0x00028348 PA_SC_VPORT_ZMIN_15
0x0002834C PA_SC_VPORT_ZMAX_15
0x00028350 SX_MISC
+0x00028354 SX_SURFACE_SYNC
0x00028380 SQ_VTX_SEMANTIC_0
0x00028384 SQ_VTX_SEMANTIC_1
0x00028388 SQ_VTX_SEMANTIC_2