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Turn off Vectorization for Emscripten #39990

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merged 1 commit into from
Feb 21, 2017

Commits on Feb 20, 2017

  1. Turn off Vectorization for Emscripten

    When targeting Emscripten, rustc emits Vector Instructions by default.
    However Web Assembly doesn't support Vector Instructions yet, which
    causes Binaryen to fail converting the intermediate asm.js code to Web
    Assembly. While asm.js kind of supports Vector Instructions, they
    aren't supported by any browser other than Firefox, often meaning that
    they need to be emulated very slowly. So it should just be turned off
    for all Emscripten targets.
    
    Fixes rust-lang#38558
    CryZe committed Feb 20, 2017
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