src/arch/x86_64/CodeGen.zig | 133 ++++++++-
 src/arch/x86_64/Emit.zig    | 217 +++++++++++++-
 src/arch/x86_64/Mir.zig     |  11 +-
 src/register_manager.zig    | 500 ++++++++++++++++----------------
 4 files changed, 595 insertions(+), 266 deletions(-)