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This commit is contained in:
Gus Caplan 2020-12-14 10:33:35 -06:00
parent 94bf59ea34
commit 8f64cec022
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GPG key ID: F00BD11880E82F0E
4 changed files with 12 additions and 6 deletions
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7
compiler/rustc_target/src/abi/call/mod.rs
View file

@ -605,12 +605,7 @@ impl<'a, Ty> FnAbi<'a, Ty> {
"nvptx64" => nvptx64::compute_abi_info(self),
"hexagon" => hexagon::compute_abi_info(self),
"riscv32" | "riscv64" => riscv::compute_abi_info(cx, self),
"wasm32"
if cx.target_spec().os != "emscripten"
&& std::env::var("RUSTC_USE_WASM32_BINDGEN_COMPAT_ABI")
.map(|x| &x != "0")
.unwrap_or(false) =>
{
"wasm32" if cx.target_spec().os == "bindgen" => {
wasm32_bindgen_compat::compute_abi_info(self)
}
"wasm32" | "asmjs" => wasm32::compute_abi_info(cx, self),

1
compiler/rustc_target/src/spec/mod.rs
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@ -613,6 +613,7 @@ supported_targets! {
("thumbv7a-uwp-windows-msvc", thumbv7a_uwp_windows_msvc),
("asmjs-unknown-emscripten", asmjs_unknown_emscripten),
("wasm32-unknown-bindgen", wasm32_unknown_bindgen),
("wasm32-unknown-emscripten", wasm32_unknown_emscripten),
("wasm32-unknown-unknown", wasm32_unknown_unknown),
("wasm32-wasi", wasm32_wasi),

9
compiler/rustc_target/src/spec/wasm32_unknown_bindgen.rs Normal file
View file

@ -0,0 +1,9 @@
//! This target is a variant of `wasm32-unknown-unknown` which uses the bindgen
//! ABI instead of the normal ABI.
use super::{wasm32_unknown_unknown, Target};
pub fn target() -> Target {
let mut target = wasm32_unknown_unknown::target();
target.options.os = "bindgen".to_string();
target
}

1
src/doc/rustc/src/platform-support.md
View file

@ -126,6 +126,7 @@ target | std | host | notes
`thumbv8m.base-none-eabi` | * | | ARMv8-M Baseline
`thumbv8m.main-none-eabi` | * | | ARMv8-M Mainline
`thumbv8m.main-none-eabihf` | * | | ARMv8-M Mainline, hardfloat
`wasm32-unknown-bindgen` | ✓ | | WebAssembly via wasm-bindgen
`wasm32-unknown-emscripten` | ✓ | | WebAssembly via Emscripten
`wasm32-unknown-unknown` | ✓ | | WebAssembly
`wasm32-wasi` | ✓ | | WebAssembly with WASI