src/arch/x86_64/CodeGen.zig | 447 +++++++++++++-------------------
 src/arch/x86_64/Emit.zig    | 296 +++++++++++++++------
 src/arch/x86_64/Mir.zig     |  49 ++--
 src/arch/x86_64/bits.zig    | 129 +++++++++
 4 files changed, 552 insertions(+), 369 deletions(-)