Index: arch/ia64/src/ivt.S
===================================================================
--- arch/ia64/src/ivt.S	(revision cfa43b8c9d307280a06f90c3dad1708eae455023)
+++ arch/ia64/src/ivt.S	(revision cd7a87db7bf1d8a80cf013d9c471ae493be95f20)
@@ -58,4 +58,6 @@
 	
     /* 4. save registers in bank 0 into memory stack */
+	add r12 = -8, r12 ;;
+	
 	st8 [r12] = r29, -8 ;;	/* save predicate registers */