| /* PR target/54436 */ |
| /* { dg-do assemble } */ |
| |
| #if __SIZEOF_SHORT__ == 2 && __SIZEOF_LONG_LONG__ == 8 |
| static inline unsigned short |
| baz (unsigned short *x) |
| { |
| union U { unsigned short a; unsigned char b[2]; } u = { *x }; |
| u.b[0] = ((u.b[0] * 0x0802ULL & 0x22110ULL) |
| | (u.b[0] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16; |
| u.b[1] = ((u.b[1] * 0x0802ULL & 0x22110ULL) |
| | (u.b[1] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16; |
| unsigned char t = u.b[0]; |
| u.b[0] = u.b[1]; |
| u.b[1] = t; |
| return u.a; |
| } |
| |
| static inline unsigned long long |
| bar (unsigned long long *x) |
| { |
| union U { unsigned long long a; unsigned short b[4]; } u = { *x }; |
| u.b[0] = baz (&u.b[0]); |
| return u.a; |
| } |
| |
| void |
| foo (void) |
| { |
| unsigned long long l = -1ULL; |
| __asm volatile ("" : : "r" (bar (&l))); |
| } |
| #else |
| void |
| foo (void) |
| { |
| } |
| #endif |
