src/arch/x86_64/CodeGen.zig  |  91 ++++++---
 src/arch/x86_64/Emit.zig     |  71 ++++---
 src/arch/x86_64/Mir.zig      |  17 +-
 src/arch/x86_64/PrintMir.zig |  38 +++-
 src/link.zig                 |  20 ++
 src/link/Coff.zig            |   9 +
 src/link/Elf.zig             | 189 +++++++++++++++--
 src/link/MachO.zig           | 351 +++++++++++++++++++++++++-------
 src/link/MachO/Atom.zig      |  92 ++-------
 src/link/Plan9.zig           |   9 +
 test/behavior/align.zig      |   1 +
 test/behavior/cast.zig       |  23 ++-
 test/behavior/struct.zig     |  21 ++
 test/stage2/x86_64.zig       |  88 ++++++++
 14 files changed, 772 insertions(+), 248 deletions(-)