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馃洡 fixed-width SIMD #1075

jfbastien opened this Issue May 23, 2017 · 0 comments


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3 participants

jfbastien commented May 23, 2017

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

Topic Fixed-width SIMD
Champion none
Status in progress
Phase Feature proposal
Linked issues #148, #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.

@WebAssembly WebAssembly locked and limited conversation to collaborators May 23, 2017

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