1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/strstr-asm.c b/gcc/testsuite/gcc.c-torture/execute/builtins/strstr-asm.c
new file mode 100644
index 000000000..3c3e45dfa
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/strstr-asm.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2000, 2003  Free Software Foundation.
+
+   Ensure all expected transformations of builtin strstr occur and
+   perform correctly in presence of redirect.  */
+
+#define ASMNAME(cname)  ASMNAME2 (__USER_LABEL_PREFIX__, cname)
+#define ASMNAME2(prefix, cname) STRING (prefix) cname
+#define STRING(x)    #x
+
+typedef __SIZE_TYPE__ size_t;
+extern void abort (void);
+extern char *strstr (const char *, const char *)
+  __asm (ASMNAME ("my_strstr"));
+
+const char *p = "rld", *q = "hello world";
+
+void
+main_test (void)
+{
+  const char *const foo = "hello world";
+
+  if (strstr (foo, "") != foo)
+    abort ();
+  if (strstr (foo + 4, "") != foo + 4)
+    abort ();
+  if (strstr (foo, "h") != foo)
+    abort ();
+  if (strstr (foo, "w") != foo + 6)
+    abort ();
+  if (strstr (foo + 6, "o") != foo + 7)
+    abort ();
+  if (strstr (foo + 1, "world") != foo + 6)
+    abort ();
+  if (strstr (foo + 2, p) != foo + 8)
+    abort ();
+  if (strstr (q, "") != q)
+    abort ();
+  if (strstr (q + 1, "o") != q + 4)
+    abort ();
+
+  /* Test at least one instance of the __builtin_ style.  We do this
+     to ensure that it works and that the prototype is correct.  */
+  if (__builtin_strstr (foo + 1, "world") != foo + 6)
+    abort ();
+}