lib/std/math/big/int.zig  | 34 ++++++++++++
 lib/zig.h                 | 89 +++-----------------------------
 src/codegen/c.zig         | 39 +++++++++++---
 test/behavior/atomics.zig |  3 +-
 4 files changed, 73 insertions(+), 92 deletions(-)