src/arch/x86_64/CodeGen.zig   | 2724 +++++++++++++++++++++++++-------
 src/arch/x86_64/Encoding.zig  |    3 +
 src/arch/x86_64/bits.zig      |   25 +
 src/arch/x86_64/encodings.zig |   10 +
 test/behavior/x86_64/math.zig |    6 +
 5 files changed, 2166 insertions(+), 602 deletions(-)