+2000-02-23 Nathan Sidwell <nathan@codesourcery.com>
+
+ * execute/20000223-1.c: New test.
+
2000-01-27 Jakub Jelinek <jakub@redhat.com>
* compile/20000127-1.c: New test.
--- /dev/null
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Nathan Sidwell 23 Feb 2000 <nathan@codesourcery.com> */
+
+/* __alignof__ should never return a non-power of 2
+ eg, sizeof(long double) might be 12, but that means it must be alignable
+ on a 4 byte boundary. */
+
+void check (char const *type, int align)
+{
+ if ((align & -align) != align)
+ {
+ abort ();
+ }
+}
+
+#define QUOTE_(s) #s
+#define QUOTE(s) QUOTE_(s)
+
+#define check(t) check(QUOTE(t), __alignof__(t))
+
+// This struct should have an alignment of the lcm of all the types. If one of
+// the base alignments is not a power of two, then A cannot be power of two
+// aligned.
+struct A
+{
+ char c;
+ signed short ss;
+ unsigned short us;
+ signed int si;
+ unsigned int ui;
+ signed long sl;
+ unsigned long ul;
+ signed long long sll;
+ unsigned long long ull;
+ float f;
+ double d;
+ long double ld;
+ void *dp;
+ void (*fp)();
+};
+
+int main ()
+{
+ check (void);
+ check (char);
+ check (signed short);
+ check (unsigned short);
+ check (signed int);
+ check (unsigned int);
+ check (signed long);
+ check (unsigned long);
+ check (signed long long);
+ check (unsigned long long);
+ check (float);
+ check (double);
+ check (long double);
+ check (void *);
+ check (void (*)());
+ check (struct A);
+ return 0;
+}