diff -Naur insight-6.8.orig/gdb/ia64-tdep.c insight-6.8.new/gdb/ia64-tdep.c
--- insight-6.8.orig/gdb/ia64-tdep.c	2008-02-20 15:31:40.000000000 +0100
+++ insight-6.8.new/gdb/ia64-tdep.c	2008-08-15 18:18:53.000000000 +0200
@@ -1234,7 +1234,7 @@
 	      spill_reg   = rN;
 	      last_prologue_pc = next_pc;
 	    }
-	  else if (qp == 0 && rM >= 32 && rM < 40 && !instores[rM] && 
+	  else if (qp == 0 && rM >= 32 && rM < 40 && !instores[rM - 32] && 
 		   rN < 256 && imm == 0)
 	    {
 	      /* mov rN, rM where rM is an input register */