1 /* PR tree-optimization/93582 */
2 /* { dg-do compile { target int32 } } */
3 /* { dg-options "-O2 -fdump-tree-fre1" } */
4 /* { dg-final { scan-tree-dump "return 72876566;" "fre1" { target le } } } */
5 /* { dg-final { scan-tree-dump "return 559957376;" "fre1" { target be } } } */
6 
7 union U {
8   struct S { int a : 12, b : 5, c : 10, d : 5; } s;
9   unsigned int i;
10 };
11 struct A { char a[12]; union U u; };
12 void bar (struct A *);
13 
14 unsigned
foo(void)15 foo (void)
16 {
17   struct A a;
18   bar (&a);
19   a.u.s.a = 1590;
20   a.u.s.c = -404;
21 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
22 #define M 0x67e0a5f
23 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
24 #define M 0xa5f067e0
25 #else
26 #define M 0
27 #endif
28   return a.u.i & M;
29 }
30