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Remove the lightbeam backend (#3390)

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This commit removes the Lightbeam backend from Wasmtime as per [RFC 14].
This backend hasn't received maintenance in quite some time, and as [RFC
14] indicates this doesn't meet the threshold for keeping the code
in-tree, so this commit removes it.

A fast "baseline" compiler may still be added in the future. The
addition of such a backend should be in line with [RFC 14], though, with
the principles we now have for stable releases of Wasmtime. I'll close
out Lightbeam-related issues once this is merged.

[RFC 14]: https://github.com/bytecodealliance/rfcs/pull/14
This commit is contained in:
Alex Crichton
2021-09-27 12:27:19 -05:00
committed by GitHub
parent 98831fe4e2
commit 1ee2af0098
39 changed files with 20 additions and 12372 deletions
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crates/wasmtime/Cargo.toml
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@@ -59,9 +59,6 @@ default = ['async', 'cache', 'wat', 'jitdump', 'parallel-compilation', 'cranelif
# precompiled WebAssembly modules.
cranelift = ["wasmtime-cranelift"]
# Deprecated, does not actually do anything any more.
lightbeam = []
# Enables support for the `perf` jitdump profiler
jitdump = ["wasmtime-jit/jitdump"]