1 /* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */
2 /* { dg-require-effective-target stdint_types } */
3 /* { dg-require-effective-target lp64 } */
4 /* { dg-options "-O2 -fdump-tree-bswap" } */
8 /* A variant via unsigned short. */
13 uint16_t a0 = x >> 48;
14 uint16_t a1 = x >> 32;
15 uint16_t a2 = x >> 16;
18 return ((uint64_t) (((a0 >> 8) & 0xff) | ((a0 << 8) & 0xff00)))
19 | ((uint64_t) (((a1 >> 8) & 0xff) | ((a1 << 8) & 0xff00)) << 16)
20 | ((uint64_t) (((a2 >> 8) & 0xff) | ((a2 << 8) & 0xff00)) << 32)
21 | ((uint64_t) (((a3 >> 8) & 0xff) | ((a3 << 8) & 0xff00)) << 48);
25 /* { dg-final { scan-tree-dump-times "64 bit bswap implementation found at" 1 "bswap" } } */
26 /* { dg-final { cleanup-tree-dump "bswap" } } */