lib/std/special/compiler_rt.zig             |  11 ++-
 lib/std/special/compiler_rt/mulXf3.zig      | 129 ++++++++++++++++++++------------
 lib/std/special/compiler_rt/mulXf3_test.zig |  67 +++++++++++++++++
 3 files changed, 157 insertions(+), 50 deletions(-)