1 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index b15e8403cc..eb99c21711 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -170,6 +170,13 @@ static INLINE struct brw_reg brw_reg( GLuint file,
                                       GLuint writemask )
 {
    struct brw_reg reg;
+   if (type == BRW_GENERAL_REGISTER_FILE)
+      assert(nr < 128);
+   else if (type == BRW_MESSAGE_REGISTER_FILE)
+      assert(nr < 9);
+   else if (type == BRW_ARCHITECTURE_REGISTER_FILE)
+      assert(nr <= BRW_ARF_IP);
+
    reg.type = type;
    reg.file = file;
    reg.nr = nr;