diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/stackalign/vararg-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/stackalign/vararg-2.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/stackalign/vararg-2.c b/gcc/testsuite/gcc.dg/torture/stackalign/vararg-2.c new file mode 100644 index 000000000..6740e994e --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/stackalign/vararg-2.c @@ -0,0 +1,66 @@ +/* { dg-do run } */ +/* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } "*" "" } */ + +#include <stdarg.h> +#include "check.h" + +#ifndef ALIGNMENT +#define ALIGNMENT 64 +#endif + +typedef int aligned __attribute__((aligned(ALIGNMENT))); + +int global; + +void +bar (char *p, int size) +{ + __builtin_strncpy (p, "good", size); +} + +void +test (va_list arg) +{ + char *p; + aligned i; + int size; + double x; + + size = va_arg (arg, int); + if (size != 5) + abort (); + + p = __builtin_alloca (size + 1); + + x = va_arg (arg, double); + if (x != 5.0) + abort (); + + bar (p, size); + if (__builtin_strncmp (p, "good", size) != 0) + { +#ifdef DEBUG + p[size] = '\0'; + printf ("Failed: %s != good\n", p); +#endif + abort (); + } + + if (check_int (&i, __alignof__(i)) != i) + abort (); +} + +void +foo (const char *fmt, ...) +{ + va_list arg; + va_start (arg, fmt); + test (arg); + va_end (arg); +} +int +main() +{ + foo ("foo", 5, 5.0); + return 0; +} |