diff options
| -rw-r--r-- | src/base/bitfield.hh | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/base/bitfield.hh b/src/base/bitfield.hh index 59b239a88..f2893962c 100644 --- a/src/base/bitfield.hh +++ b/src/base/bitfield.hh @@ -285,12 +285,12 @@ inline uint64_t alignToPowerOfTwo(uint64_t val) /** * Count trailing zeros in a 32-bit value. * - * Returns 32 if the value is zero. Note that the GCC builtin is - * undefined if the value is zero. + * @param An input value + * @return The number of trailing zeros or 32 if the value is zero. */ inline int ctz32(uint32_t value) { - return value ? __builtin_ctz(value) : 32; + return value ? __builtin_ctzl(value) : 32; } /** |