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Add options to wasmtime and wasm2obj to pick compilation strategy.

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This commit is contained in:
Dan Gohman
2019-10-02 13:59:49 -07:00
parent d4353f03cb
commit 8d89c3b479
6 changed files with 72 additions and 24 deletions
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16
src/bin/wast.rs
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@@ -33,8 +33,9 @@ use pretty_env_logger;
use serde::Deserialize;
use std::path::Path;
use std::process;
use wasmtime::pick_compilation_strategy;
use wasmtime_environ::{cache_create_new_config, cache_init};
use wasmtime_jit::{CompilationStrategy, Compiler, Features};
use wasmtime_jit::{Compiler, Features};
use wasmtime_wast::WastContext;
const USAGE: &str = "
@@ -153,17 +154,8 @@ fn main() {
}
// Decide how to compile.
let strategy = match (args.flag_always_lightbeam, args.flag_always_cranelift) {
#[cfg(feature = "lightbeam")]
(true, false) => CompilationStrategy::AlwaysLightbeam,
#[cfg(not(feature = "lightbeam"))]
(true, false) => panic!("--always-lightbeam given, but Lightbeam support is not enabled"),
(false, true) => CompilationStrategy::AlwaysCranelift,
(false, false) => CompilationStrategy::Auto,
(true, true) => {
panic!("Can't enable --always-cranelift and --always-lightbeam at the same time")
}
};
let strategy =
pick_compilation_strategy(args.flag_always_cranelift, args.flag_always_lightbeam);
let isa = isa_builder.finish(settings::Flags::new(flag_builder));
let engine = Compiler::new(isa, strategy);