gcc/testsuite/gcc.target/powerpc/bswap64-1.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power5" } } */
   3 /* { dg-options "-O2 -mno-popcntd -mcpu=power5" } */
   4 /* { dg-require-effective-target lp64 } */
   5 /* { dg-final { scan-assembler "lwbrx" } } */
   6 /* { dg-final { scan-assembler "stwbrx" } } */
   7
   8 unsigned long ul;
   9 unsigned long load_bswap64 (unsigned long *p) { return __builtin_bswap64 (*p); }
  10 void store_bswap64 (unsigned long a) { ul = __builtin_bswap64 (a); }