summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/torture/stackalign/alloca-1.c45
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;
+}