| /* PR tree-optimization/52760 */ |
| |
| struct T { unsigned short a, b, c, d; }; |
| |
| __attribute__((noinline, noclone)) void |
| foo (int x, struct T *y) |
| { |
| int i; |
| |
| for (i = 0; i < x; i++) |
| { |
| y[i].a = ((0x00ff & y[i].a >> 8) | (0xff00 & y[i].a << 8)); |
| y[i].b = ((0x00ff & y[i].b >> 8) | (0xff00 & y[i].b << 8)); |
| y[i].c = ((0x00ff & y[i].c >> 8) | (0xff00 & y[i].c << 8)); |
| y[i].d = ((0x00ff & y[i].d >> 8) | (0xff00 & y[i].d << 8)); |
| } |
| } |
| |
| int |
| main () |
| { |
| struct T t = { 0x0001, 0x0203, 0x0405, 0x0607 }; |
| foo (1, &t); |
| if (t.a != 0x0100 || t.b != 0x0302 || t.c != 0x0504 || t.d != 0x0706) |
| __builtin_abort (); |
| return 0; |
| } |