lib/std/math/big/int.zig      |    4 +-
 lib/std/math/big/int_test.zig |  224 ++++++
 src/arch/x86_64/CodeGen.zig   | 1305 +++++++++++++++++++++++++++++++-
 test/behavior/x86_64/math.zig |   16 +
 4 files changed, 1543 insertions(+), 6 deletions(-)