src/arch/x86_64/CodeGen.zig | 63 ++++++++++++++++++---
 src/arch/x86_64/Lower.zig   | 97 ++++++++++++++++++++++++++++++++
 src/arch/x86_64/Mir.zig     | 12 ++++
 test/behavior/memset.zig    |  2 -
 4 files changed, 163 insertions(+), 11 deletions(-)