diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c b/gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c new file mode 100644 index 000000000..e226e7f03 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c @@ -0,0 +1,45 @@ +/* { dg-do run } */ +/* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } "*" "" } */ + +#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 +foo (int size) +{ + char *p = __builtin_alloca (size + 1); + aligned i; + + 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 (); +} + +int +main() +{ + foo (5); + return 0; +} |