src/arch/x86_64/CodeGen.zig                        | 249 ++++++++++++++++++--------------
 src/codegen.zig                                    |  45 +++---
 test/behavior/align.zig                            |   5 +-
 test/behavior/alignof.zig                          |   2 -
 test/behavior/array.zig                            |   1 -
 test/behavior/basic.zig                            |   2 -
 test/behavior/bitcast.zig                          |   3 -
 test/behavior/bitreverse.zig                       |   1 -
 test/behavior/bugs/1381.zig                        |   1 -
 test/behavior/bugs/1735.zig                        |   1 -
 test/behavior/bugs/4954.zig                        |   1 -
 test/behavior/cast.zig                             |  21 +--
 test/behavior/defer.zig                            |   1 -
 test/behavior/enum.zig                             |   6 -
 test/behavior/error.zig                            |   9 --
 test/behavior/fn.zig                               |   1 -
 test/behavior/if.zig                               |   1 -
 test/behavior/ir_block_deps.zig                    |   1 -
 test/behavior/namespace_depends_on_compile_var.zig |   1 -
 test/behavior/optional.zig                         |   3 -
 test/behavior/struct.zig                           |   1 -
 test/behavior/try.zig                              |   1 -
 test/behavior/underscore.zig                       |   1 -
 test/behavior/union.zig                            |   7 -
 test/behavior/while.zig                            |   4 -
 25 files changed, 162 insertions(+), 207 deletions(-)