diff --git a/test/misc/barrier b/test/misc/barrier
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index 0000000..4225ceb
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diff --git a/test/misc/barrier.arm64 b/test/misc/barrier.arm64
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diff --git a/test/misc/mfence_playground.c b/test/misc/mfence_playground.c
new file mode 100644
index 0000000..89cdf52
--- /dev/null
+++ b/test/misc/mfence_playground.c
@@ -0,0 +1,45 @@
+#include <ctype.h>
+#include <errno.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+// Shared variable
+int a = 1;
+
+void *foo(void *_noarg) {
+    while (a)
+        asm volatile ("":::"memory");
+    printf("Exiting from foo...\n");
+    exit(EXIT_SUCCESS);
+}
+
+void *bar(void *_noarg) {
+    a = 0;
+    printf("Exiting from bar...\n");
+    exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char** argv) {
+    const size_t NR_THREADS = 2;
+    pthread_t *threads = calloc(NR_THREADS, sizeof(pthread_t));
+
+    int ret_create_thread_1 = pthread_create(&threads[0], NULL, foo, NULL);
+    if (ret_create_thread_1) {
+        perror("Failed to create pthread for `foo`.");
+        exit(EXIT_FAILURE);
+    }
+
+    int ret_create_thread_2 = pthread_create(&threads[1], NULL, bar, NULL);
+    if (ret_create_thread_2) {
+        perror("Failed to create pthread for `bar`.");
+        pthread_cancel(threads[0]);
+        exit(EXIT_FAILURE);
+    }
+
+    for (size_t thread_idx = 0; thread_idx < NR_THREADS; thread_idx++) {
+        pthread_join(threads[thread_idx], NULL);
+    }
+
+    exit(EXIT_SUCCESS);
+}
\ No newline at end of file
diff --git a/test/misc/nobarrier b/test/misc/nobarrier
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