Those are tradeoffs, and I'm not convinced they're good ones. Suitability for processors that are so small they don't have an FPU isn't relevant to LuaJIT in a

Those are tradeoffs, and I'm not convinced they're good ones. Suitability for processors that are so small they don't have an FPU isn't relevant to LuaJIT in any case, but you've been able to compile Lua with integer numbers since 1.0.