lib/std/os.zig              |  1 +
 lib/std/os/plan9.zig        | 91 ++++++++++++++++++++++++++++++++
 lib/std/os/plan9/x86_64.zig | 73 +++++++++++++++++++++++++
 src/Sema.zig                |  3 ++
 src/arch/x86_64/CodeGen.zig | 26 ++++-----
 test/stage2/plan9.zig       |  9 +++-
 6 files changed, 187 insertions(+), 16 deletions(-)