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Disable repr(simd) in mem::swap on Redox #42762

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Merged
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Jun 21, 2017
Merged

Disable repr(simd) in mem::swap on Redox #42762

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4 changes: 2 additions & 2 deletions src/libcore/mem.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -504,8 +504,8 @@ pub fn swap<T>(x: &mut T, y: &mut T) {
// Haswell E processors. LLVM is more able to optimize if we give a struct a
// #[repr(simd)], even if we don't actually use this struct directly.
//
// FIXME repr(simd) broken on emscripten
#[cfg_attr(not(target_os = "emscripten"), repr(simd))]
// FIXME repr(simd) broken on emscripten and redox
#[cfg_attr(not(any(target_os = "emscripten", target_os = "redox")), repr(simd))]
struct Block(u64, u64, u64, u64);
struct UnalignedBlock(u64, u64, u64, u64);

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