lib/std/zig/system/x86.zig | 31 +++++++++++++++------
 lib/zig.h                  | 48 +++++++++++++++++++++++++++-----
 src/codegen/c.zig          | 46 +++++++++++++++++++-----------
 test/behavior/basic.zig    | 14 ++++++++++
 4 files changed, 107 insertions(+), 32 deletions(-)