src/arch/x86_64/CodeGen.zig   | 520 +++++++++++++++++++-------------
 src/arch/x86_64/Encoding.zig  |   2 +-
 src/arch/x86_64/Mir.zig       |   4 +
 src/arch/x86_64/encodings.zig |   4 +
 src/register_manager.zig      |   6 +-
 test/behavior/abs.zig         |   2 +-
 test/behavior/floatop.zig     |  20 +-
 7 files changed, 337 insertions(+), 221 deletions(-)