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Remove the Flags type from Config API (#769)

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* Remove the `Flags` type from `Config` API

This commit removes the final foreign type from the `Config` API in the
`wasmtime` crate. The cranelift `Flags` type is now expanded into
various options on the `Config` structure itself, all prefixed with
`cranelift_` since they're only relevant to the Cranelift backend. The
various changes here were:

* The `avoid_div_traps` feature is enabled by default since it seemed
  that was done anywhere anyway.
* Enabling the wasm SIMD feature enables the requisite features in
  Cranelift as well.
* A method for enabling the debug verifier has been added.
* A method for configuring the Cranelift optimization level, as well as
  a corresponding enumeration, has been added.

* Assert that `Config` is both `Send` and `Sync`
This commit is contained in:
Alex Crichton
2020-01-07 14:07:48 -06:00
committed by GitHub
parent 9ead93684e
commit 41528c82bc
10 changed files with 82 additions and 71 deletions
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Cargo.toml
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@@ -19,7 +19,6 @@ wasmtime = { path = "crates/api" }
wasmtime-debug = { path = "crates/debug" }
wasmtime-environ = { path = "crates/environ" }
wasmtime-interface-types = { path = "crates/interface-types" }
wasmtime-runtime = { path = "crates/runtime" }
wasmtime-jit = { path = "crates/jit" }
wasmtime-obj = { path = "crates/obj" }
wasmtime-wast = { path = "crates/wast" }