lib/std/os.zig              |  1 +
 lib/std/os/plan9.zig        | 69 ++++++++++++++++++++++++++++++++
 lib/std/os/plan9/x86_64.zig | 40 ++++++++++++++++++
 src/Sema.zig                |  3 ++
 src/arch/x86_64/CodeGen.zig | 26 +++++-------
 5 files changed, 124 insertions(+), 15 deletions(-)