(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
builtin-bswap-6.c
       1  /* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
       2  /* { dg-require-effective-target stdint_types } */
       3  /* { dg-options "-O -fdump-rtl-combine" } */
       4  
       5  /* The branch cost setting prevents the return value from being
       6     calculated with arithmetic instead of doing a compare.  */
       7  /* { dg-additional-options "-march=z900 -mbranch-cost=0" { target s390*-*-* } } */
       8  
       9  #include <stdint.h>
      10  
      11  #define BS(X) __builtin_bswap32(X)
      12  
      13  int foo1 (uint32_t a)
      14  {
      15    if (BS (a) == 0xA0000)
      16      return 1;
      17    return 0;
      18  }
      19  
      20  int foo2 (uint32_t a)
      21  {
      22    if (BS (a) != 0xA0000)
      23      return 1;
      24    return 0;
      25  }
      26  
      27  int foo3 (uint32_t a, uint32_t b)
      28  {
      29    if (BS (a) == BS (b))
      30      return 1;
      31    return 0;
      32  }
      33  
      34  int foo4 (uint32_t a, uint32_t b)
      35  {
      36    if (BS (a) != BS (b))
      37      return 1;
      38    return 0;
      39  }
      40  
      41  /* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */