diff --git a/src/gallium/drivers/r600/sb/sb_expr.cpp b/src/gallium/drivers/r600/sb/sb_expr.cpp
index 3dd3a48..b0bb0bd 100644
--- a/src/gallium/drivers/r600/sb/sb_expr.cpp
+++ b/src/gallium/drivers/r600/sb/sb_expr.cpp
@@ -601,6 +603,11 @@ bool expr_handler::fold_assoc(alu_node *n) {
 	bool distribute_neg = false;
 
 	switch(op) {
+	case ALU_OP2_ADD_INT:
+#if 1
+		if (a->src[0]->gvalue()->is_sgpr()||a->src[1]->gvalue()->is_sgpr())
+			return false;
+#endif
 	case ALU_OP2_ADD:
 		distribute_neg = true;
 		allow_neg = true;