__builtin_clz     194 opal/mca/hwloc/hwloc201/hwloc/include/private/misc.h #    define hwloc_fls(x) (x ? (8*sizeof(int) - __builtin_clz(x)) : 0)
__builtin_clz     365 opal/mca/pmix/pmix4x/pmix/src/class/pmix_hash_table.h     power2 = 1 << (8 * sizeof (int) - __builtin_clz(value));
__builtin_clz      54 opal/util/bit_ops.h     start = (8*sizeof(int)-1) - __builtin_clz(mask);
__builtin_clz      94 opal/util/bit_ops.h     dim = size - __builtin_clz(value-1);
__builtin_clz     123 opal/util/bit_ops.h     power2 = 1 << (8 * sizeof (int) - __builtin_clz(value));
__builtin_clz     152 opal/util/bit_ops.h     power2 = 1 << (8 * sizeof (int) - __builtin_clz(value - 1));