src/arch/x86_64/CodeGen.zig | 108 ++++++---
 src/arch/x86_64/Emit.zig    | 403 +++++++++++++++++++++-----------
 src/arch/x86_64/Mir.zig     |  22 +-
 src/arch/x86_64/bits.zig    |  11 +
 4 files changed, 384 insertions(+), 160 deletions(-)