diff options
Diffstat (limited to 'libglusterfs/src/common-utils.c')
| -rw-r--r-- | libglusterfs/src/common-utils.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c index bdf340d8612..56f545f28de 100644 --- a/libglusterfs/src/common-utils.c +++ b/libglusterfs/src/common-utils.c @@ -4616,7 +4616,7 @@ int gf_bits_count (uint64_t n) { int val = 0; -#ifdef _GNU_SOURCE +#if defined(__GNUC__) || defined(__clang__) val = __builtin_popcountll (n); #else n -= (n >> 1) & 0x5555555555555555ULL; @@ -4633,7 +4633,11 @@ gf_bits_count (uint64_t n) int gf_bits_index (uint64_t n) { - return ffsll(n) - 1; +#if defined(__GNUC__) || defined(__clang__) + return __builtin_ffsll (n) - 1; +#else + return ffsll (n) - 1; +#endif } const char* |