From: Joseph Myers <joseph@codesourcery.com>
Date: Thu, 7 Nov 2013 21:20:18 +0000 (+0000)
Subject: atomic-compare-exchange-1.c, [...]: Declare main as returning int.
X-Git-Tag: upstream/12.2.0~66754
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=722516b81f88d9cb479eb0cf3699c946aa6d3dbe;p=platform%2Fupstream%2Fgcc.git

atomic-compare-exchange-1.c, [...]: Declare main as returning int.

	* gcc.dg/atomic-compare-exchange-1.c,
	gcc.dg/atomic-compare-exchange-2.c,
	gcc.dg/atomic-compare-exchange-3.c,
	gcc.dg/atomic-compare-exchange-4.c,
	gcc.dg/atomic-compare-exchange-5.c, gcc.dg/atomic-exchange-1.c,
	gcc.dg/atomic-exchange-2.c, gcc.dg/atomic-exchange-3.c,
	gcc.dg/atomic-exchange-4.c, gcc.dg/atomic-exchange-5.c,
	gcc.dg/atomic-fence.c, gcc.dg/atomic-flag.c,
	gcc.dg/atomic-generic.c, gcc.dg/atomic-invalid.c,
	gcc.dg/atomic-load-1.c, gcc.dg/atomic-load-2.c,
	gcc.dg/atomic-load-3.c, gcc.dg/atomic-load-4.c,
	gcc.dg/atomic-load-5.c, gcc.dg/atomic-lockfree.c,
	gcc.dg/atomic-noinline.c, gcc.dg/atomic-op-1.c,
	gcc.dg/atomic-op-2.c, gcc.dg/atomic-op-3.c, gcc.dg/atomic-op-4.c,
	gcc.dg/atomic-op-5.c, gcc.dg/atomic-param.c,
	gcc.dg/atomic-store-1.c, gcc.dg/atomic-store-2.c,
	gcc.dg/atomic-store-3.c, gcc.dg/atomic-store-4.c,
	gcc.dg/atomic-store-5.c: Declare main as returning int.
	* gcc.dg/atomic-exchange-1.c, gcc.dg/atomic-exchange-2.c,
	gcc.dg/atomic-exchange-3.c, gcc.dg/atomic-exchange-4.c,
	gcc.dg/atomic-exchange-5.c: Separate increments of count from
	expression using value of count.

From-SVN: r204545
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 099c392..0e85081 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,30 @@
 2013-11-07  Joseph Myers  <joseph@codesourcery.com>
 
+	* gcc.dg/atomic-compare-exchange-1.c,
+	gcc.dg/atomic-compare-exchange-2.c,
+	gcc.dg/atomic-compare-exchange-3.c,
+	gcc.dg/atomic-compare-exchange-4.c,
+	gcc.dg/atomic-compare-exchange-5.c, gcc.dg/atomic-exchange-1.c,
+	gcc.dg/atomic-exchange-2.c, gcc.dg/atomic-exchange-3.c,
+	gcc.dg/atomic-exchange-4.c, gcc.dg/atomic-exchange-5.c,
+	gcc.dg/atomic-fence.c, gcc.dg/atomic-flag.c,
+	gcc.dg/atomic-generic.c, gcc.dg/atomic-invalid.c,
+	gcc.dg/atomic-load-1.c, gcc.dg/atomic-load-2.c,
+	gcc.dg/atomic-load-3.c, gcc.dg/atomic-load-4.c,
+	gcc.dg/atomic-load-5.c, gcc.dg/atomic-lockfree.c,
+	gcc.dg/atomic-noinline.c, gcc.dg/atomic-op-1.c,
+	gcc.dg/atomic-op-2.c, gcc.dg/atomic-op-3.c, gcc.dg/atomic-op-4.c,
+	gcc.dg/atomic-op-5.c, gcc.dg/atomic-param.c,
+	gcc.dg/atomic-store-1.c, gcc.dg/atomic-store-2.c,
+	gcc.dg/atomic-store-3.c, gcc.dg/atomic-store-4.c,
+	gcc.dg/atomic-store-5.c: Declare main as returning int.
+	* gcc.dg/atomic-exchange-1.c, gcc.dg/atomic-exchange-2.c,
+	gcc.dg/atomic-exchange-3.c, gcc.dg/atomic-exchange-4.c,
+	gcc.dg/atomic-exchange-5.c: Separate increments of count from
+	expression using value of count.
+
+2013-11-07  Joseph Myers  <joseph@codesourcery.com>
+
 	* lib/target-supports.exp
 	(check_effective_target_fenv_exceptions): New function.
 	* lib/atomic-dg.exp, gcc.dg/atomic/atomic.exp: New files.
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
index 2ac54e8..4b999c6 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
@@ -16,6 +16,7 @@ char zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
index 73b2597..736e358 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
@@ -16,6 +16,7 @@ short zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
index 2609728..91a67cd 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
@@ -16,6 +16,7 @@ int zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
index b6c783d..ac9531b 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
@@ -18,6 +18,7 @@ long long zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
index 4cc0209..f5d071a 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
@@ -17,6 +17,7 @@ __int128_t zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-1.c b/gcc/testsuite/gcc.dg/atomic-exchange-1.c
index fb78cdb..ec8a09c 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-1.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 char v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-2.c b/gcc/testsuite/gcc.dg/atomic-exchange-2.c
index 153771a..0de2e68 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-2.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 short v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-3.c b/gcc/testsuite/gcc.dg/atomic-exchange-3.c
index fbf8f6b..63a68cf 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-3.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 int v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-4.c b/gcc/testsuite/gcc.dg/atomic-exchange-4.c
index 13022dd..fc1e508 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-4.c
@@ -11,25 +11,31 @@ extern void abort(void);
 
 long long v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-5.c b/gcc/testsuite/gcc.dg/atomic-exchange-5.c
index b0c84b1..190377f 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-5.c
@@ -10,25 +10,31 @@ extern void abort(void);
 
 __int128_t v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-fence.c b/gcc/testsuite/gcc.dg/atomic-fence.c
index 1f6d187..ab5c7d6 100644
--- a/gcc/testsuite/gcc.dg/atomic-fence.c
+++ b/gcc/testsuite/gcc.dg/atomic-fence.c
@@ -6,6 +6,7 @@
 
 /* Test that __atomic_{thread,signal}_fence builtins execute.  */
 
+int
 main ()
 {
   __atomic_thread_fence (__ATOMIC_RELAXED);
diff --git a/gcc/testsuite/gcc.dg/atomic-flag.c b/gcc/testsuite/gcc.dg/atomic-flag.c
index b81cd78..6e79b90 100644
--- a/gcc/testsuite/gcc.dg/atomic-flag.c
+++ b/gcc/testsuite/gcc.dg/atomic-flag.c
@@ -7,6 +7,7 @@
 extern void abort(void);
 unsigned char a;
 
+int
 main ()
 {
   int b;
diff --git a/gcc/testsuite/gcc.dg/atomic-generic.c b/gcc/testsuite/gcc.dg/atomic-generic.c
index d77e97d..9b09f87 100644
--- a/gcc/testsuite/gcc.dg/atomic-generic.c
+++ b/gcc/testsuite/gcc.dg/atomic-generic.c
@@ -23,6 +23,7 @@ test_struct a,b;
 
 int size = sizeof (test_struct);
 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
+int
 main ()
 {
   test_struct c;
diff --git a/gcc/testsuite/gcc.dg/atomic-invalid.c b/gcc/testsuite/gcc.dg/atomic-invalid.c
index 48de91f..4d040e1 100644
--- a/gcc/testsuite/gcc.dg/atomic-invalid.c
+++ b/gcc/testsuite/gcc.dg/atomic-invalid.c
@@ -10,6 +10,7 @@ int i, e, b;
 size_t s;
 bool x;
 
+int
 main ()
 {
   __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_RELAXED, __ATOMIC_SEQ_CST); /* { dg-error "failure memory model cannot be stronger" } */
diff --git a/gcc/testsuite/gcc.dg/atomic-load-1.c b/gcc/testsuite/gcc.dg/atomic-load-1.c
index 928f9b0..72ca317 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-1.c
@@ -10,6 +10,7 @@ extern void abort(void);
 
 char v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-2.c b/gcc/testsuite/gcc.dg/atomic-load-2.c
index 3d1df1c..e937a2d 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-2.c
@@ -11,6 +11,7 @@ extern void abort(void);
 short v, count;
 
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-3.c b/gcc/testsuite/gcc.dg/atomic-load-3.c
index ec238be..3e70ef4 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-3.c
@@ -8,6 +8,7 @@ extern void abort(void);
 int v, count;
 
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-4.c b/gcc/testsuite/gcc.dg/atomic-load-4.c
index 032ad24..750623d 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-4.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 long long v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-5.c b/gcc/testsuite/gcc.dg/atomic-load-5.c
index 31d8066..d37d642 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-5.c
@@ -8,6 +8,7 @@ extern void abort(void);
 
 __int128_t v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-lockfree.c b/gcc/testsuite/gcc.dg/atomic-lockfree.c
index 2254282..093aee9 100644
--- a/gcc/testsuite/gcc.dg/atomic-lockfree.c
+++ b/gcc/testsuite/gcc.dg/atomic-lockfree.c
@@ -17,6 +17,7 @@ extern void abort();
 int r1, r2;
 
 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
+int
 main ()
 {
   
diff --git a/gcc/testsuite/gcc.dg/atomic-noinline.c b/gcc/testsuite/gcc.dg/atomic-noinline.c
index 626254d..b3490ea 100644
--- a/gcc/testsuite/gcc.dg/atomic-noinline.c
+++ b/gcc/testsuite/gcc.dg/atomic-noinline.c
@@ -16,6 +16,7 @@ extern void abort();
 short as,bs,cs;
 char ac,bc,cc;
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-op-1.c b/gcc/testsuite/gcc.dg/atomic-op-1.c
index bc1716f..a8a97c4 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-1.c
@@ -527,6 +527,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-2.c b/gcc/testsuite/gcc.dg/atomic-op-2.c
index 8755340..9498503 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-2.c
@@ -528,6 +528,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-3.c b/gcc/testsuite/gcc.dg/atomic-op-3.c
index 69db489..9a54a2a 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-3.c
@@ -527,6 +527,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-4.c b/gcc/testsuite/gcc.dg/atomic-op-4.c
index 7c4a819..6990b0e 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-4.c
@@ -529,6 +529,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-5.c b/gcc/testsuite/gcc.dg/atomic-op-5.c
index e78d815..1407f3f 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-5.c
@@ -528,6 +528,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-param.c b/gcc/testsuite/gcc.dg/atomic-param.c
index a1bfc6b..1f2b126 100644
--- a/gcc/testsuite/gcc.dg/atomic-param.c
+++ b/gcc/testsuite/gcc.dg/atomic-param.c
@@ -5,6 +5,7 @@
 
 int i;
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-store-1.c b/gcc/testsuite/gcc.dg/atomic-store-1.c
index f99eb9c..1ca5feb 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-1.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 char v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-2.c b/gcc/testsuite/gcc.dg/atomic-store-2.c
index da346fd..c7b1e21 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-2.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 short v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-3.c b/gcc/testsuite/gcc.dg/atomic-store-3.c
index b691da4..52b30fa 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-3.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 int v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-4.c b/gcc/testsuite/gcc.dg/atomic-store-4.c
index 0863be9..ca37fdc 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-4.c
@@ -11,6 +11,7 @@ extern void abort(void);
 
 long long v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-5.c b/gcc/testsuite/gcc.dg/atomic-store-5.c
index 763d29e..a855182 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-5.c
@@ -10,6 +10,7 @@ extern void abort(void);
 
 __int128_t v, count;
 
+int
 main ()
 {
   v = 0;