You’re kidding right? That’s not what the support matrix on the Zig site shows. Plenty of CPU archs in Tier 3/4. No support for Alpha, HPPA, M68K, Sparc, or SuperH.
"portable" and "has ports" mean two different things. there might be targets Zig doesn't have great support for yet but what I meant is that bootstrapping a target to Zig is a simpler endeavor than it is for C
Is it? I think zig use llvm codegen. Once you got llvm for your architecture, you get 99% of modern language
LLVM codegen is optional, and LLVM is being turned into a runtime dependency.
Zig has its own compiler backend. With limited arch support of course. Only used in debug modes for now.
I think the most interesting part is they rely on WASM for bootstrapping so all you need to make to bootstrap Zig anywhere is a WASM interpreter (if I understand correctly).