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Rollup merge of #42762 - jackpot51:patch-1, r=sfackler

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

This addresses https://github.com/rust-lang/rust/issues/42761
This commit is contained in:
Corey Farwell 2017-06-21 10:40:16 -04:00 committed by GitHub
commit 30a7bfcaae
1 changed files with 2 additions and 2 deletions
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4
src/libcore/mem.rs
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@ -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);