1  /* Check that we don't use the swap insn for bswap by checking assembler 
       2     output.  The swap instruction was added in v8.  */
       3  /* { dg-do compile } */
       4  /* { dg-skip-if "" { "cris*-*-elf" } { "-march*" } { "" } } */
       5  /* { dg-options "-O2 -march=v3" } */
       6  /* { dg-final { scan-assembler-not "\[ \t\]swapwb\[ \t\]" } } */
       7  
       8  int
       9  f (int a)
      10  {
      11  	return __builtin_bswap32(a);
      12  }