diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 26ae47a6ec6..e9b2b78b191 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 Fri Aug 21 23:59:18 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* gcc.c-torture/unsorted/memtst.c: Reduce size of array when
+	STACK_SIZE is defined.
+	* gcc.c-torture/unsorted/stuct.c: Similarly.
+
 	* gcc.c-torture/compile/980821-1.c: New test.
 
 Fri Aug 21 03:14:04 1998  Jeffrey A Law  (law@cygnus.com)
diff --git a/gcc/testsuite/gcc.c-torture/unsorted/memtst.c b/gcc/testsuite/gcc.c-torture/unsorted/memtst.c
index b345ba00b3c..b5ef2607073 100644
--- a/gcc/testsuite/gcc.c-torture/unsorted/memtst.c
+++ b/gcc/testsuite/gcc.c-torture/unsorted/memtst.c
@@ -1,3 +1,9 @@
+#ifdef STACK_SIZE
+#define SIZE STACK_SIZE / 8
+#else
+#define SIZE 65536
+#endif
+
 memtst (int *p, int a)
 {
   do
@@ -10,11 +16,11 @@ memtst (int *p, int a)
 
 main ()
 {
-  int a[65536];
+  int a[SIZE];
   int i;
-  bzero (a, 65536 * 4);
+  bzero (a, SIZE * 4);
   for (i = 0;  i < 100;  i++)
     {
-      memtst (a, 65536);
+      memtst (a, SIZE);
     }
 }
diff --git a/gcc/testsuite/gcc.c-torture/unsorted/stuct.c b/gcc/testsuite/gcc.c-torture/unsorted/stuct.c
index bf7e2329bd9..acaadf277b9 100644
--- a/gcc/testsuite/gcc.c-torture/unsorted/stuct.c
+++ b/gcc/testsuite/gcc.c-torture/unsorted/stuct.c
@@ -1,7 +1,13 @@
+#ifdef STACK_SIZE
+#define SIZE STACK_SIZE / 8
+#else
+#define STACK_SIZE 10000000
+#endif
+
 struct foo
 {
   int a, b, c;
-  int arr[10000000];
+  int arr[SIZE];
 };
 
 struct foo s, ss;