# Feature Table ## Compiler Backend |   | Singlepass | Cranelift | LLVM | | - | - | - | - | | Caching | No | Yes | Yes | | SIMD | No | No | Yes | | Multi-value return | No | No | No | ## Language integration TODO: define a set of features that are relevant and mark them here Current ideas: - WASI FS API - Callbacks? (not even in Rust yet) - Exiting early in hostcall