src/arch/x86_64/CodeGen.zig | 323 ++++++++++++++++----------------
 src/arch/x86_64/Emit.zig    |  45 +++--
 src/arch/x86_64/Mir.zig     |  69 +++++--
 src/register_manager.zig    |   3 +-
 test/behavior/bugs/1381.zig |   1 -
 5 files changed, 242 insertions(+), 199 deletions(-)