diff options
| -rw-r--r-- | compiler/rustc_target/src/spec/wasm_base.rs | 6 | ||||
| -rw-r--r-- | src/test/ui/simd/wasm-simd-indirect.rs | 33 |
2 files changed, 33 insertions, 6 deletions
diff --git a/compiler/rustc_target/src/spec/wasm_base.rs b/compiler/rustc_target/src/spec/wasm_base.rs index 87e740de08e..6c897735194 100644 --- a/compiler/rustc_target/src/spec/wasm_base.rs +++ b/compiler/rustc_target/src/spec/wasm_base.rs @@ -103,12 +103,6 @@ pub fn options() -> TargetOptions { linker: Some("rust-lld".to_owned()), lld_flavor: LldFlavor::Wasm, - // No need for indirection here, simd types can always be passed by - // value as the whole module either has simd or not, which is different - // from x86 (for example) where programs can have functions that don't - // enable simd features. - simd_types_indirect: false, - pre_link_args, crt_objects_fallback: Some(CrtObjectsFallback::Wasm), diff --git a/src/test/ui/simd/wasm-simd-indirect.rs b/src/test/ui/simd/wasm-simd-indirect.rs new file mode 100644 index 00000000000..deac593df43 --- /dev/null +++ b/src/test/ui/simd/wasm-simd-indirect.rs @@ -0,0 +1,33 @@ +// build-pass + +#![cfg_attr(target_arch = "wasm32", feature(wasm_simd, wasm_target_feature))] + +#[cfg(target_arch = "wasm32")] +fn main() { + unsafe { + a::api_with_simd_feature(); + } +} + +#[cfg(target_arch = "wasm32")] +mod a { + use std::arch::wasm32::*; + + #[target_feature(enable = "simd128")] + pub unsafe fn api_with_simd_feature() { + crate::b::api_takes_v128(u64x2(0, 1)); + } +} + +#[cfg(target_arch = "wasm32")] +mod b { + use std::arch::wasm32::*; + + #[inline(never)] + pub fn api_takes_v128(a: v128) -> v128 { + a + } +} + +#[cfg(not(target_arch = "wasm32"))] +fn main() {} |