Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14840 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 63 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c b/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c
new file mode 100644
index 00000000000..684854b66dc
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c
@@ -0,0 +1,63 @@
+#include <string.h>
+
+#if defined (STACK_SIZE)
+#define MEMCPY_SIZE (STACK_SIZE / 3)
+#else
+#define MEMCPY_SIZE (1 << 17)
+#endif
+
+
+void *copy (void *o, const void *i, unsigned l)
+{
+  return memcpy (o, i, l);
+}
+
+main ()
+{
+  unsigned i;
+  unsigned char src[MEMCPY_SIZE];
+  unsigned char dst[MEMCPY_SIZE];
+
+  for (i = 0; i < MEMCPY_SIZE; i++)
+    src[i] = (unsigned char) i,  dst[i] = 0;
+
+  (void) memcpy (dst, src, MEMCPY_SIZE / 128);
+
+  for (i = 0; i < MEMCPY_SIZE / 128; i++)
+    if (dst[i] != (unsigned char) i)
+      abort ();
+
+  (void) memset (dst, 1, MEMCPY_SIZE / 128);
+
+  for (i = 0; i < MEMCPY_SIZE / 128; i++)
+    if (dst[i] != 1)
+      abort ();
+
+  (void) memcpy (dst, src, MEMCPY_SIZE);
+
+  for (i = 0; i < MEMCPY_SIZE; i++)
+    if (dst[i] != (unsigned char) i)
+      abort ();
+
+  (void) memset (dst, 0, MEMCPY_SIZE);
+
+  for (i = 0; i < MEMCPY_SIZE; i++)
+    if (dst[i] != 0)
+      abort ();
+
+  (void) copy (dst, src, MEMCPY_SIZE / 128);
+
+  for (i = 0; i < MEMCPY_SIZE / 128; i++)
+    if (dst[i] != (unsigned char) i)
+      abort ();
+
+  (void) memset (dst, 0, MEMCPY_SIZE);
+
+  (void) copy (dst, src, MEMCPY_SIZE);
+
+  for (i = 0; i < MEMCPY_SIZE; i++)
+    if (dst[i] != (unsigned char) i)
+      abort ();
+
+  exit (0);
+}