src/arch/x86_64/Encoding.zig  | 77 +++++++++++++++++++++++--------
 src/arch/x86_64/encoder.zig   | 22 +++------
 src/arch/x86_64/encodings.zig | 78 ++++++++++++++++++++++++++++++++
 3 files changed, 143 insertions(+), 34 deletions(-)