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Implement Wasm SIMD absolute value instructions for x86 #1941

Merged
merged 4 commits into from
Jun 30, 2020
Merged

Implement Wasm SIMD absolute value instructions for x86 #1941

merged 4 commits into from
Jun 30, 2020

Commits on Jun 30, 2020

  1. Add iabs instructions.rs 

    This is necessary for implementing SIMD [abs](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md#lane-wise-integer-absolute-value).
    @abrown
    abrown committed Jun 30, 2020
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  2. Implement iabs for x86 SIMD 

    This only covers the types necessary for implementing the Wasm SIMD spec--`i8x16`, `i16x8`, `i32x4`.
    @abrown
    abrown committed Jun 30, 2020
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  3. Translate Wasm SIMD abs to Cranelift's iabs instruction

    @abrown
    abrown committed Jun 30, 2020
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  4. Enable more spec tests

    @abrown
    abrown committed Jun 30, 2020
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