diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/builtins/strcmp.c | 48 |
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 (); +} |