[llvm-dev] [RFC] RISC-V Vector Intrinsics

Kai Wang via llvm-dev llvm-dev at lists.llvm.org
Thu May 7 09:38:34 PDT 2020


We, EPI, SiPearl, and SiFive, have come out with a RFC for RISC-V vector
intrinsics. If you are interested in the RISC-V vector intrinsics design,
welcome to join the discussion. We have created a github repository[0] for
the documents.

In this RFC[1], we defined the type system, programming interface and
naming rules for vector intrinsics in the C language. This document could
be used as a reference for RISC-V vector intrinsic implementation in the

Currently, there are a few issues[2] under discussion. We need your
opinions and feedback about these issues. Besides these issues, welcome any
feedback about vector intrinsic design.

[0] https://github.com/sifive/rvv-intrinsic-doc/


[2] https://github.com/sifive/rvv-intrinsic-doc/issues
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