1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memset.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memset.c
new file mode 100644
index 000000000..90545abbf
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memset.c
@@ -0,0 +1,20 @@
+extern void abort (void);
+extern int inside_main;
+
+__attribute__ ((__noinline__))
+void *
+memset (void *dst, int c, __SIZE_TYPE__ n)
+{
+  while (n-- != 0)
+    n[(char *) dst] = c;
+
+  /* Single-byte memsets should be done inline when optimisation
+     is enabled.  Do this after the copy in case we're being called to
+     initialize bss.  */
+#ifdef __OPTIMIZE__
+  if (inside_main && n < 2)
+    abort ();
+#endif
+
+  return dst;
+}