lib/std/math/big/int.zig         |  33 +++--
 lib/std/math/big/int_test.zig    |  22 ++++
 src/codegen/x86_64/CodeGen.zig   |  31 +----
 src/codegen/x86_64/Lower.zig     |   6 +-
 src/codegen/x86_64/Mir.zig       |   6 +-
 src/codegen/x86_64/encodings.zon |  28 ++---
 test/behavior/x86_64/binary.zig  | 214 ++++++++++++++++++++------------
 test/behavior/x86_64/unary.zig   | 144 ++++++++++++++-------
 8 files changed, 296 insertions(+), 188 deletions(-)