gcc/testsuite/gcc.target/powerpc/cmpb-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 lp64 } */
   4 /* { dg-require-effective-target dfp_hw } */
   5 /* { dg-options "-mcpu=power6" } */
   6
   7 void abort ();
   8
   9 unsigned long long int
  10 do_compare (unsigned long long int a, unsigned long long int b)
  11 {
  12   return __builtin_cmpb (a, b);
  13 }
  14
  15 void
  16 expect (unsigned long long int pattern, unsigned long long int value)
  17 {
  18   if (pattern != value)
  19     abort ();
  20 }
  21
  22 int
  23 main (int argc, char *argv[])
  24 {
  25   expect (0xff00000000000000LL,
  26           do_compare (0x0123456789abcdefLL, 0x0100000000000000LL));
  27   expect (0x00ffffffffffffff,
  28           do_compare (0x0123456789abcdefLL, 0x0023456789abcdefLL));
  29   expect (0x00000000000000ff,
  30           do_compare (0x00000000000000efLL, 0x0123456789abcdefLL));
  31 }