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馃洡 fixed-width SIMD #1

binji opened this Issue Oct 16, 2018 · 0 comments


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binji commented Oct 16, 2018

This is a tracking issue for a post-MVP feature
It will be updated as the issue progresses.

Topic Fixed-width SIMD
Champion @PeterJensen, @aretmr
Status in progress
Phase Feature proposal
Linked issues WebAssembly/design#148, WebAssembly/design#41
Linked repositories


Support fixed-width SIMD vectors, initially only for 128-bit wide vectors as demonstrated in PNaCl's SIMD and SIMD.js.

SIMD adds new local types (e.g., f32x4) so it has to be part of the core semantics. SIMD operators (e.g., f32x4.add) could be either builtin operators (no different from i32.add) or exports of a builtin SIMD module.

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