diff --git a/src/mesa/drivers/dri/i965/brw_disasm.c b/src/mesa/drivers/dri/i965/brw_disasm.c
index dd7bb4377f7..7405d9bfd99 100644
--- a/src/mesa/drivers/dri/i965/brw_disasm.c
+++ b/src/mesa/drivers/dri/i965/brw_disasm.c
@@ -697,6 +697,12 @@ reg(FILE *file, unsigned _reg_file, unsigned _reg_nr)
          string(file, "ip");
          return -1;
          break;
+      case BRW_ARF_TDR:
+         format(file, "tdr0");
+         return -1;
+      case BRW_ARF_TIMESTAMP:
+         format(file, "tm%d", _reg_nr & 0x0f);
+         break;
       default:
          format(file, "ARF%d", _reg_nr);
          break;