Mini-CnP

Copy and Patch Implementation in Zig

Run Test

It runs 5 3 8 * 2 / + 4 6 * -1 = -7

zig test src/compiler.zig -O ReleaseFast

Disassembly Notes:

• zig build-obj stencils.zig -O ReleaseFast -target aarch64-macos
• objdump -d stencils.o
• To output asm: zig build-obj src/stencils.zig -femit-asm=asm/stencils.s -O ReleaseFast -target aarch64-macos Note: outputs in the asm dir for debugging purposes.

References:

• https://fredrikbk.com/publications/copy-and-patch.pdf
• https://scot.tg/2024/12/22/worked-example-of-copy-and-patch-compilation/
• https://news.ycombinator.com/item?id=45576502
• https://sillycross.github.io/2022/11/22/2022-11-22/
• https://injuly.in/blog/jit-01/