1  /* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* i?86-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */
       2  /* { dg-require-effective-target stdint_types } */
       3  /* { dg-require-effective-target lp64 } */
       4  /* { dg-options "-O -fdump-rtl-combine" } */
       5  
       6  /* The param setting prevents the return value from being
       7     calculated with arithmetic instead of doing a compare.  */
       8  /* { dg-additional-options "--param logical-op-non-short-circuit=0" } */
       9  
      10  #include <stdint.h>
      11  
      12  #define BS(X) __builtin_bswap64(X)
      13  
      14  int foo1 (uint64_t a)
      15  {
      16    if (BS (a) == 0xA00000000)
      17      return 1;
      18    return 0;
      19  }
      20  
      21  int foo2 (uint64_t a)
      22  {
      23    if (BS (a) != 0xA00000000)
      24      return 1;
      25    return 0;
      26  }
      27  
      28  int foo3 (uint64_t a, uint64_t b)
      29  {
      30    if (BS (a) == BS (b))
      31      return 1;
      32    return 0;
      33  }
      34  
      35  int foo4 (uint64_t a, uint64_t b)
      36  {
      37    if (BS (a) != BS (b))
      38      return 1;
      39    return 0;
      40  }
      41  
      42  /* { dg-final { scan-rtl-dump-not "bswapdi" "combine" } } */