gcc/testsuite/gcc.target/i386/clzero.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mclzero" } */
   3
   4 /* Verify that they work in both 32bit and 64bit.  */
   5
   6 #include <x86intrin.h>
   7
   8 void
   9 foo (void *k)
  10 {
  11    _mm_clzero (k);
  12 }
  13