test for memcpy builtin

1 files changed, 15 insertions, 0 deletions

diff --git a/test/monniaux/memcpy/test_memcpy.c b/test/monniaux/memcpy/test_memcpy.c
new file mode 100644
index 00000000..4a055692
--- /dev/null
+++ b/test/monniaux/memcpy/test_memcpy.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main() {
+  char buf1[16], buf2[16];
+  for(int i=0; i<16; i++) {
+    buf1[i] = i;
+  }
+  for(int i=0; i<16; i++) {
+    buf2[i] = 100+i;
+  }
+  __builtin_memcpy_aligned(buf1, buf2+3, 4, 1);
+  for(int i=0; i<16; i++) {
+    printf("%d : %d\n", i, buf1[i]);
+  }
+}