src/arch/x86_64/CodeGen.zig | 211 +++++++++++++++++++-------------
 src/arch/x86_64/abi.zig     |  20 +++
 test/behavior/bitcast.zig   |   2 +-
 test/behavior/floatop.zig   |   2 +-
 test/behavior/math.zig      |   2 +-
 5 files changed, 151 insertions(+), 86 deletions(-)