Penultimate wasm SIMD update (hopefully)#101

Merged

cuviper merged 7 commits intorust-lang:rustc/12.0-2021-04-15from

alexcrichton:more-wasm-updates

Apr 27, 2021

Commits on Apr 19, 2021

[WebAssembly] Add shuffles as an option for lowering BUILD_VECTOR

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[WebAssembly] Update v128.any_true

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[WebAssembly] Test i64x2.abs encoding

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[WebAssembly] Use standard intrinsics for f32x4 and f64x2 ops

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[WebAssembly] Codegen for f64x2.convert_low_i32x4_{s,u}

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[WebAssembly] Codegen for i64x2.extend_{low,high}_i32x4_{s,u}

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[WebAssembly] Remove saturating fp-to-int target intrinsics

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