gcc/testsuite/gcc.target/powerpc/cmpb32-1.c

   1 /* { dg-do run { target { powerpc*-*-* } } } */
   2 /* { dg-require-effective-target dfp_hw } */
   3 /* { dg-options "-mdejagnu-cpu=power6" } */
   4
   5 void abort ();
   6
   7 unsigned int
   8 do_compare (unsigned int a, unsigned int b)
   9 {
  10   return __builtin_cmpb (a, b);
  11 }
  12
  13 void
  14 expect (unsigned int pattern, unsigned int value)
  15 {
  16   if (pattern != value)
  17     abort ();
  18 }
  19
  20 int
  21 main (int argc, char *argv[])
  22 {
  23   expect (0xff000000, do_compare (0x12345678, 0x12000000));
  24   expect (0x00ffffff, do_compare (0x12345678, 0x00345678));
  25   expect (0x000000ff, do_compare (0x00000078, 0x12345678));
  26 }