diff --git a/gcc/testsuite/g++.dg/tree-prof/morefunc.C b/gcc/testsuite/g++.dg/tree-prof/morefunc.C
index a9bdc167f45..02b01c073e9 100644
--- a/gcc/testsuite/g++.dg/tree-prof/morefunc.C
+++ b/gcc/testsuite/g++.dg/tree-prof/morefunc.C
@@ -2,6 +2,10 @@
 #include "reorder_class1.h"
 #include "reorder_class2.h"
 
+#ifndef ITER
+#define ITER 1000
+#endif
+
 int g;
 
 #ifdef _PROFILE_USE
@@ -19,7 +23,7 @@ static __attribute__((always_inline))
 void test1 (A *tc)
 {
   int i;
-  for (i = 0; i < 1000; i++)
+  for (i = 0; i < ITER; i++)
      g += tc->foo(); 
    if (g<100) g++;
 }
@@ -28,7 +32,7 @@ static __attribute__((always_inline))
 void test2 (B *tc)
 {
   int i;
-  for (i = 0; i < 1000000; i++)
+  for (i = 0; i < ITER; i++)
      g += tc->foo();
 }
 
diff --git a/gcc/testsuite/gcc.dg/tree-prof/cold_partition_label.c b/gcc/testsuite/gcc.dg/tree-prof/cold_partition_label.c
index 450308d6407..099069da6a7 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/cold_partition_label.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/cold_partition_label.c
@@ -9,6 +9,10 @@ const char *sarr[SIZE];
 const char *buf_hot;
 const char *buf_cold;
 
+#ifndef ITER
+#define ITER 1000000
+#endif
+
 __attribute__((noinline))
 void 
 foo (int path)
@@ -32,7 +36,7 @@ main (int argc, char *argv[])
   int i;
   buf_hot =  "hello";
   buf_cold = "world";
-  for (i = 0; i < 1000000; i++)
+  for (i = 0; i < ITER; i++)
     foo (argc);
   return 0;
 }
diff --git a/gcc/testsuite/gcc.dg/tree-prof/crossmodule-indircall-1.c b/gcc/testsuite/gcc.dg/tree-prof/crossmodule-indircall-1.c
index 58109d54dc7..32d22c69c6c 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/crossmodule-indircall-1.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/crossmodule-indircall-1.c
@@ -2,6 +2,10 @@
 /* { dg-additional-sources "crossmodule-indircall-1a.c" } */
 /* { dg-options "-O3 -flto -DDOJOB=1" } */
 
+#ifndef ITER
+#define ITER 1000
+#endif
+
 int a;
 extern void (*p[2])(int n);
 void abort (void);
@@ -10,12 +14,12 @@ main()
 { int i;
 
   /* This call shall be converted.  */
-  for (i = 0;i<1000;i++)
+  for (i = 0;i<ITER;i++)
     p[0](1);
   /* This call shall not be converted.  */
-  for (i = 0;i<1000;i++)
+  for (i = 0;i<ITER;i++)
     p[i%2](2);
-  if (a != 1000)
+  if (a != ITER)
     abort ();
 
   return 0;
diff --git a/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c b/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c
index 53063c3e7fa..8b9dfbb78c7 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c
@@ -1,5 +1,9 @@
 /* { dg-options "-O2 -fdump-tree-optimized -fdump-ipa-profile -fdump-ipa-afdo" } */
 
+#ifndef ITER
+#define ITER 100000
+#endif
+
 static int a1 (void)
 {
     return 10;
@@ -28,7 +32,7 @@ main (void)
   int (*p) (void);
   int  i;
 
-  for (i = 0; i < 10000000; i ++)
+  for (i = 0; i < ITER*100; i++)
     {
 	setp (&p, i);
 	p ();
diff --git a/gcc/testsuite/gcc.dg/tree-prof/peel-1.c b/gcc/testsuite/gcc.dg/tree-prof/peel-1.c
index 7245b68c1ee..b6ed178e1ad 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/peel-1.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/peel-1.c
@@ -1,13 +1,17 @@
 /* { dg-options "-O3 -fdump-tree-cunroll-details -fno-unroll-loops -fpeel-loops" } */
 void abort();
 
-int a[1000];
+#ifndef ITER
+#define ITER 1000
+#endif
+
+int a[ITER];
 int
 __attribute__ ((noinline))
 t()
 {
   int i;
-  for (i=0;i<1000;i++)
+  for (i=0;i<ITER;i++)
     if (!a[i])
       return 1;
   abort ();
@@ -16,7 +20,7 @@ int
 main()
 {
   int i;
-  for (i=0;i<1000;i++)
+  for (i=0;i<ITER;i++)
     t();
   return 0;
 }
diff --git a/gcc/testsuite/gcc.dg/tree-prof/pr52027.c b/gcc/testsuite/gcc.dg/tree-prof/pr52027.c
index c46a14b2e86..bf2a83a336d 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/pr52027.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/pr52027.c
@@ -2,6 +2,10 @@
 /* { dg-require-effective-target freorder } */
 /* { dg-options "-O2 -freorder-blocks-and-partition -fno-reorder-functions" } */
 
+#ifndef ITER
+#define ITER 1000
+#endif
+
 void
 foo (int len)
 {
@@ -13,7 +17,7 @@ int
 main ()
 {
   int i;
-  for (i = 0; i < 1000; i++)
+  for (i = 0; i < ITER; i++)
     foo (8);
   return 0;
 }
diff --git a/gcc/testsuite/gcc.dg/tree-prof/tracer-1.c b/gcc/testsuite/gcc.dg/tree-prof/tracer-1.c
index 1e64f284ac0..65570a5e96d 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/tracer-1.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/tracer-1.c
@@ -1,9 +1,14 @@
 /* { dg-options "-O2 -ftracer -fdump-tree-tracer" } */
+
+#ifndef ITER
+#define ITER 1000
+#endif
+
 volatile int a, b, c;
 int main ()
 {
   int i;
-  for (i = 0; i < 1000; i++)
+  for (i = 0; i < ITER; i++)
     {
       if (i % 17)
 	a++;
diff --git a/gcc/testsuite/gcc.dg/tree-prof/unroll-1.c b/gcc/testsuite/gcc.dg/tree-prof/unroll-1.c
index 3ad0cf019b3..3027e75a241 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/unroll-1.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/unroll-1.c
@@ -1,13 +1,17 @@
 /* { dg-options "-O3 -fdump-rtl-loop2_unroll-details -funroll-loops -fno-peel-loops" } */
 void abort ();
 
-int a[1000];
+#ifndef ITER
+#define ITER 1000
+#endif
+
+int a[ITER];
 int
 __attribute__ ((noinline))
 t()
 {
   int i;
-  for (i=0;i<1000;i++)
+  for (i=0;i<ITER;i++)
     if (!a[i])
       return 1;
   abort ();
@@ -16,7 +20,7 @@ int
 main()
 {
   int i;
-  for (i=0;i<1000;i++)
+  for (i=0;i<ITER;i++)
     t();
   return 0;
 }
diff --git a/gcc/testsuite/gcc.dg/tree-prof/update-cunroll-2.c b/gcc/testsuite/gcc.dg/tree-prof/update-cunroll-2.c
index c286816cdf8..de2d03ebaee 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/update-cunroll-2.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/update-cunroll-2.c
@@ -1,5 +1,9 @@
-
 /* { dg-options "-O2 -fdump-tree-optimized-blocks" } */
+
+#ifndef ITER
+#define ITER 1000
+#endif
+
 int a[8];
 __attribute__ ((noinline))
 int t()
@@ -14,7 +18,7 @@ int
 main ()
 {
   int i;
-  for (i = 0; i < 1000; i++)
+  for (i = 0; i < ITER; i++)
     t ();
   return 0;
 }
diff --git a/gcc/testsuite/lib/profopt.exp b/gcc/testsuite/lib/profopt.exp
index 65494cfd4f6..13e7828bf32 100644
--- a/gcc/testsuite/lib/profopt.exp
+++ b/gcc/testsuite/lib/profopt.exp
@@ -289,8 +289,8 @@ proc auto-profopt-execute { src } {
         return
     }
     set profile_wrapper [profopt-perf-wrapper]
-    set profile_option "-g"
-    set feedback_option "-fauto-profile"
+    set profile_option "-g -DITER=1000000"
+    set feedback_option "-fauto-profile -DITER=1000000"
     set run_autofdo 1
     profopt-execute $src
     unset profile_wrapper
