src/arch/x86_64/CodeGen.zig | 326 +++++++++++++-------------------
 src/arch/x86_64/Emit.zig    | 296 +++++++++++++++++++++--------
 src/arch/x86_64/Mir.zig     |  49 ++---
 src/arch/x86_64/bits.zig    | 129 +++++++++++++
 4 files changed, 505 insertions(+), 295 deletions(-)