lib/std/special/compiler_rt.zig             |   6 +
 lib/std/special/compiler_rt/clzdi2_test.zig |   6 +-
 lib/std/special/compiler_rt/clzti2_test.zig |   6 +-
 lib/std/special/compiler_rt/count0bits.zig  |  58 +++--
 lib/std/special/compiler_rt/ctzdi2_test.zig | 325 ++++++++++++++++++++++++++
 lib/std/special/compiler_rt/ctzsi2_test.zig | 292 ++++++++++++++++++++++++
 lib/std/special/compiler_rt/ctzti2_test.zig | 391 ++++++++++++++++++++++++++++++++
 7 files changed, 1061 insertions(+), 23 deletions(-)