diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dd19759f5c14..6ba02856ad96 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2006-11-29  Eric Christopher  <echristo@apple.com>
+
+	* gcc.dg/tree-ssa/prefetch-3.c: Allow x86_64, but require ilp32.
+
 2006-11-29  Janis Johnson  <janis187@us.ibm.com>
 
 	* gcc.dg/dfp/convert-int.c: Remove dg-do compile, fix comment.
@@ -12,7 +16,7 @@
 	* g++.old-deja/g++.bugs/900121_05.C: Adjust error markers.
 	* g++.dg/inherit/error2.C: Likewise.
 	* g++.dg/template/instantiate1.C: Likewise.
-	
+
 2006-11-28  Andrew Pinski  <pinskia@gmail.com>
 
 	PR tree-opt/29984
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
index c5767a704b37..2c1282d9d8c6 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
@@ -1,6 +1,7 @@
 /* Prefetching used to prefer nonsensical unroll factor of 5 in this testcase.  */
 
-/* { dg-do compile { target i?86-*-* } } */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-effective-target ilp32 } */
 /* { dg-options "-O2 -fprefetch-loop-arrays -march=athlon -msse2 -mfpmath=sse -fdump-tree-aprefetch-details" } */
 
 #define N 1000000