regressions: add ck_pr_fence for basic validation of fence definitions.

regressions/ck_pr/validate/Makefile

@@ -4,7 +4,7 @@ OBJECTS=ck_pr_cas ck_pr_faa ck_pr_inc ck_pr_dec ck_pr_bts \
 	ck_pr_btr ck_pr_btc ck_pr_load ck_pr_store 	  \
 	ck_pr_and ck_pr_or ck_pr_xor ck_pr_add ck_pr_sub  \
 	ck_pr_fas ck_pr_bin ck_pr_btx ck_pr_fax ck_pr_n	  \
-	ck_pr_unary
+	ck_pr_unary ck_pr_fence
 
 all: $(OBJECTS)
 
@@ -26,6 +26,9 @@ ck_pr_dec: ck_pr_dec.c
 ck_pr_faa: ck_pr_faa.c
 	$(CC) $(CFLAGS) -o ck_pr_faa ck_pr_faa.c
 
+ck_pr_fence: ck_pr_fence.c
+	$(CC) $(CFLAGS) -o ck_pr_fence ck_pr_fence.c
+
 ck_pr_btc: ck_pr_btc.c
 	$(CC) $(CFLAGS) -o ck_pr_btc ck_pr_btc.c
 

regressions/ck_pr/validate/ck_pr_fence.c

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2009-2018 Samy Al Bahra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <ck_pr.h>
+#include "../../common.h"
+
+int
+main(void)
+{
+	int r = 0;
+
+	/* Below serves as a marker. */
+	ck_pr_sub_int(&r, 31337);
+
+	/*
+	 * This is a simple test to help ensure all fences compile or crash
+	 * on target. Below are generated according to the underlying memory
+	 * model's ordering.
+	 */
+	ck_pr_fence_atomic();
+	ck_pr_fence_atomic_store();
+	ck_pr_fence_atomic_load();
+	ck_pr_fence_store_atomic();
+	ck_pr_fence_load_atomic();
+	ck_pr_fence_load();
+	ck_pr_fence_load_store();
+	ck_pr_fence_store();
+	ck_pr_fence_store_load();
+	ck_pr_fence_memory();
+	ck_pr_fence_release();
+	ck_pr_fence_acquire();
+	ck_pr_fence_acqrel();
+	ck_pr_fence_lock();
+	ck_pr_fence_unlock();
+
+	/* Below serves as a marker. */
+	ck_pr_sub_int(&r, 31337);
+
+	/* The following are generating assuming RMO. */
+	ck_pr_fence_strict_atomic();
+	ck_pr_fence_strict_atomic_store();
+	ck_pr_fence_strict_atomic_load();
+	ck_pr_fence_strict_store_atomic();
+	ck_pr_fence_strict_load_atomic();
+	ck_pr_fence_strict_load();
+	ck_pr_fence_strict_load_store();
+	ck_pr_fence_strict_store();
+	ck_pr_fence_strict_store_load();
+	ck_pr_fence_strict_memory();
+	ck_pr_fence_strict_release();
+	ck_pr_fence_strict_acquire();
+	ck_pr_fence_strict_acqrel();
+	ck_pr_fence_strict_lock();
+	ck_pr_fence_strict_unlock();
+	return 0;
+}
+