| /* PR tree-optimization/93582 */ |
| /* { dg-do compile { target int32 } } */ |
| /* { dg-options "-O2 -fdump-tree-fre1" } */ |
| /* { dg-final { scan-tree-dump "return 72876566;" "fre1" { target le } } } */ |
| /* { dg-final { scan-tree-dump "return 559957376;" "fre1" { target be } } } */ |
| |
| union U { |
| struct S { int a : 12, b : 5, c : 10, d : 5; } s; |
| unsigned int i; |
| }; |
| struct A { char a[12]; union U u; }; |
| void bar (struct A *); |
| |
| unsigned |
| foo (void) |
| { |
| struct A a; |
| bar (&a); |
| a.u.s.a = 1590; |
| a.u.s.c = -404; |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| #define M 0x67e0a5f |
| #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #define M 0xa5f067e0 |
| #else |
| #define M 0 |
| #endif |
| return a.u.i & M; |
| } |
