src/codegen/aarch64.zig          |  52 ++--
 src/codegen/aarch64/Select.zig   | 495 ++++++++++++++++++++++++++------
 src/codegen/aarch64/encoding.zig |  40 +--
 test/behavior/var_args.zig       |   4 -
 4 files changed, 451 insertions(+), 140 deletions(-)