src/Air/Legalize.zig           | 470 +++++++++++++++++++++++++-------
 src/Zcu/PerThread.zig          |   2 +-
 src/arch/x86_64/CodeGen.zig    | 290 +++++++++++++++++---
 test/behavior/bitreverse.zig   |   6 +-
 test/behavior/byteswap.zig     |   6 +-
 test/behavior/math.zig         |   2 +-
 test/behavior/popcount.zig     |   2 +-
 test/behavior/x86_64/unary.zig |   4 +
 8 files changed, 635 insertions(+), 147 deletions(-)