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Re: On elisp running native - Update 12


From: Andrea Corallo
Subject: Re: On elisp running native - Update 12
Date: Mon, 28 Sep 2020 17:21:13 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Caio Henrique <caiohcs0@gmail.com> writes:

> Andrea Corallo <akrl@sdf.org> writes:
>
>> We may add it tho, but I think would be more beneficial to
>> expose first aref aset and see what we can generate with the GCC
>> vectorizer.
>
> Does that mean that native elisp would be able to use SSE, AVX etc? 

I must say I'm very ignorant regarding the X86 GCC backend so I'm not
sure which instructions (if any) can be generated with autovectorization
there.  I've got the idea as these days I had to put my hands in the
vectorizer trying to improve it looking at Aarch64 SVE as output.

  Andrea



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