Re: Contribute a RISC-V 64 JIT backend

Maciej Fijalkowski <[email protected]> Thu, 11 Jan 2024 12:44:39 +0200
Newsgroups gmane.comp.python.pypy
Message-ID <CAK5idxSpk2D1o_f61Twu6gyg-x4mUfuFcYmcaOcE=sO-mFG5bA@mail.gmail.com>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