src/codegen/x86_64/CodeGen.zig | 1175 ++++++++++++++++++++++++--------
 src/target.zig                 |    6 +-
 test/behavior/x86_64/build.zig |    2 +
 test/tests.zig                 |    1 +
 4 files changed, 886 insertions(+), 298 deletions(-)