src/arch/x86_64/CodeGen.zig   | 161 +++++-------
 src/arch/x86_64/Emit.zig      |  74 +++---
 src/arch/x86_64/Encoding.zig  |  89 ++++---
 src/arch/x86_64/Mir.zig       |   3 +
 src/arch/x86_64/bits.zig      |  69 +++++-
 src/arch/x86_64/encoder.zig   |  73 +++---
 src/arch/x86_64/encodings.zig | 421 ++++++++++++++++----------------
 7 files changed, 474 insertions(+), 416 deletions(-)