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bug#46111: Reverting fns.c hash function due to OpenBSD/SPARC64 compile


From: Stefan Monnier
Subject: bug#46111: Reverting fns.c hash function due to OpenBSD/SPARC64 compile breaking
Date: Thu, 28 Jan 2021 12:30:22 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

> AFAIK, memcpy itself optimizes: once it gets to aligned address, it
> starts copying words instead of bytes.

I don't know what this `memcpy` code expands to on sparc64, but since it
turns into a plain `mov` on x86, I simplified the code to always use
`memcpy`.


        Stefan






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