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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c b/gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c
new file mode 100644
index 000000000..08a7658ea
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2000, 2003, 2004 Free Software Foundation.
+
+ Ensure all expected transformations of builtin strcmp
+ occur and perform correctly.
+
+ Written by Jakub Jelinek, 11/7/2000. */
+
+extern void abort (void);
+extern int strcmp (const char *, const char *);
+
+int x = 7;
+char *bar = "hi world";
+
+void
+main_test (void)
+{
+ const char *const foo = "hello world";
+
+ if (strcmp (foo, "hello") <= 0)
+ abort ();
+ if (strcmp (foo + 2, "llo") <= 0)
+ abort ();
+ if (strcmp (foo, foo) != 0)
+ abort ();
+ if (strcmp (foo, "hello world ") >= 0)
+ abort ();
+ if (strcmp (foo + 10, "dx") >= 0)
+ abort ();
+ if (strcmp (10 + foo, "dx") >= 0)
+ abort ();
+ if (strcmp (bar, "") <= 0)
+ abort ();
+ if (strcmp ("", bar) >= 0)
+ abort ();
+ if (strcmp (bar+8, "") != 0)
+ abort ();
+ if (strcmp ("", bar+8) != 0)
+ abort ();
+ if (strcmp (bar+(--x), "") <= 0 || x != 6)
+ abort ();
+ if (strcmp ("", bar+(++x)) >= 0 || x != 7)
+ 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_strcmp (foo, "hello") <= 0)
+ abort ();
+}