gcc/testsuite/gcc.target/powerpc/cmpb-2.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-require-effective-target lp64 } */
   3 /* { dg-require-effective-target powerpc_popcntb_ok } */
   4 /* { dg-options "-mdejagnu-cpu=power5" } */
   5
   6 void abort ();
   7
   8 unsigned long long int
   9 do_compare (unsigned long long int a, unsigned long long int b)
  10 {
  11   return __builtin_cmpb (a, b); /* { dg-warning "implicit declaration of function '__builtin_cmpb'" } */
  12 }
  13
  14 void
  15 expect (unsigned long long int pattern, unsigned long long int value)
  16 {
  17   if (pattern != value)
  18     abort ();
  19 }
  20
  21 int
  22 main (int argc, char *argv[])
  23 {
  24   expect (0xff00000000000000LL,
  25           do_compare (0x0123456789abcdefLL, 0x0100000000000000LL));
  26   expect (0x00ffffffffffffff,
  27           do_compare (0x0123456789abcdefLL, 0x0023456789abcdefLL));
  28   expect (0x00000000000000ff,
  29           do_compare (0x00000000000000efLL, 0x0123456789abcdefLL));
  30 }