gcc/testsuite/gcc.target/powerpc/ppc-negeq0-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 long foo(long x)
   5 {
   6   return -(x == 0);
   7 }
   8
   9 long bar(long x)
  10 {
  11   long t = __builtin_clzl(x);
  12   return -(t>>(sizeof(long) == 8 ? 6 : 5));
  13 }
  14
  15 /* { dg-final { scan-assembler-not "cntlz" } } */