src/arch/x86_64/CodeGen.zig | 414 ++++++++++++++++++++++----------
 src/arch/x86_64/Isel.zig    | 122 ++++++----
 src/arch/x86_64/Mir.zig     |  11 +-
 test/behavior.zig           | 394 +++++++++++++++---------------
 test/stage2/x86_64.zig      |  20 ++
 5 files changed, 577 insertions(+), 384 deletions(-)