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

   1 /* { dg-do run { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power6" } } */
   3 /* { dg-require-effective-target dfp_hw } */
   4 /* { dg-options "-mcpu=power6" } */
   5
   6 void abort ();
   7
   8 unsigned int
   9 do_compare (unsigned int a, unsigned int b)
  10 {
  11   return __builtin_cmpb (a, b);
  12 }
  13
  14 void
  15 expect (unsigned int pattern, unsigned int value)
  16 {
  17   if (pattern != value)
  18     abort ();
  19 }
  20
  21 int
  22 main (int argc, char *argv[])
  23 {
  24   expect (0xff000000, do_compare (0x12345678, 0x12000000));
  25   expect (0x00ffffff, do_compare (0x12345678, 0x00345678));
  26   expect (0x000000ff, do_compare (0x00000078, 0x12345678));
  27 }