cb48ea406e
This PR switches the default backend on x86, for both the `cranelift-codegen` crate and for Wasmtime, to the new (`MachInst`-style, `VCode`-based) backend that has been under development and testing for some time now. The old backend is still available by default in builds with the `old-x86-backend` feature, or by requesting `BackendVariant::Legacy` from the appropriate APIs. As part of that switch, it adds some more runtime-configurable plumbing to the testing infrastructure so that tests can be run using the appropriate backend. `clif-util test` is now capable of parsing a backend selector option from filetests and instantiating the correct backend. CI has been updated so that the old x86 backend continues to run its tests, just as we used to run the new x64 backend separately. At some point, we will remove the old x86 backend entirely, once we are satisfied that the new backend has not caused any unforeseen issues and we do not need to revert.
106 lines
3.8 KiB
TOML
106 lines
3.8 KiB
TOML
[package]
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authors = ["The Cranelift Project Developers"]
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name = "cranelift-codegen"
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version = "0.72.0"
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description = "Low-level code generator library"
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license = "Apache-2.0 WITH LLVM-exception"
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documentation = "https://docs.rs/cranelift-codegen"
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repository = "https://github.com/bytecodealliance/wasmtime"
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categories = ["no-std"]
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readme = "README.md"
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keywords = ["compile", "compiler", "jit"]
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build = "build.rs"
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edition = "2018"
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[dependencies]
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cranelift-codegen-shared = { path = "./shared", version = "0.72.0" }
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cranelift-entity = { path = "../entity", version = "0.72.0" }
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cranelift-bforest = { path = "../bforest", version = "0.72.0" }
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hashbrown = { version = "0.9.1", optional = true }
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target-lexicon = "0.12"
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log = { version = "0.4.6", default-features = false }
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serde = { version = "1.0.94", features = ["derive"], optional = true }
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bincode = { version = "1.2.1", optional = true }
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gimli = { version = "0.23.0", default-features = false, features = ["write"], optional = true }
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smallvec = { version = "1.6.1" }
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thiserror = "1.0.4"
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byteorder = { version = "1.3.2", default-features = false }
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peepmatic = { path = "../peepmatic", optional = true, version = "0.72.0" }
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peepmatic-traits = { path = "../peepmatic/crates/traits", optional = true, version = "0.72.0" }
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peepmatic-runtime = { path = "../peepmatic/crates/runtime", optional = true, version = "0.72.0" }
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regalloc = { version = "0.0.31" }
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souper-ir = { version = "2.1.0", optional = true }
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wast = { version = "35.0.0", optional = true }
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# It is a goal of the cranelift-codegen crate to have minimal external dependencies.
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# Please don't add any unless they are essential to the task of creating binary
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# machine code. Integration tests that need external dependencies can be
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# accomodated in `tests`.
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[build-dependencies]
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cranelift-codegen-meta = { path = "meta", version = "0.72.0" }
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[features]
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default = ["std", "unwind"]
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# The "std" feature enables use of libstd. The "core" feature enables use
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# of some minimal std-like replacement libraries. At least one of these two
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# features need to be enabled.
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std = []
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# The "core" features enables use of "hashbrown" since core doesn't have
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# a HashMap implementation, and a workaround for Cargo #4866.
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core = ["hashbrown"]
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# This enables some additional functions useful for writing tests, but which
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# can significantly increase the size of the library.
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testing_hooks = []
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# This enables unwind info generation functionality.
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unwind = ["gimli"]
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# ISA targets for which we should build.
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# If no ISA targets are explicitly enabled, the ISA target for the host machine is enabled.
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x86 = []
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arm64 = []
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riscv = []
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arm32 = [] # Work-in-progress codegen backend for ARM.
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# Stub feature that does nothing, for Cargo-features compatibility: the new
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# backend is the default now.
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experimental_x64 = []
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# Make the old x86 backend the default.
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old-x86-backend = []
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# Option to enable all architectures.
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all-arch = [
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"x86",
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"arm64",
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"riscv"
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]
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# For dependent crates that want to serialize some parts of cranelift
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enable-serde = [
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"serde",
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"regalloc/enable-serde",
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"cranelift-entity/enable-serde",
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"cranelift-codegen-shared/enable-serde"
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]
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# Allow snapshotting regalloc test cases. Useful only to report bad register
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# allocation failures, or for regalloc.rs developers.
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regalloc-snapshot = ["bincode", "regalloc/enable-serde"]
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# Recompile our optimizations that are written in the `peepmatic` DSL into a
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# compact finite-state transducer automaton.
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rebuild-peephole-optimizers = ["peepmatic", "peepmatic-traits", "wast"]
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# Enable the use of `peepmatic`-generated peephole optimizers.
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enable-peepmatic = ["peepmatic-runtime", "peepmatic-traits", "serde"]
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# Enable support for the Souper harvester.
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souper-harvest = ["souper-ir", "souper-ir/stringify"]
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[badges]
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maintenance = { status = "experimental" }
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