Date: Thu, 16 Sep 2021 22:36:22 +0000 From: Joseph Myers <joseph@...esourcery.com> To: <libc-coord@...ts.openwall.com> CC: GNU C Library <libc-alpha@...rceware.org>, <gcc@....gnu.org> Subject: Re: Add new ABI '__memcmpeq()' to libc On Thu, 16 Sep 2021, Chris Kennelly wrote: > The mem* functions are extremely sensitive to instruction cache effects, so > having 3 unique implementations (__memcmpeq, bcmp, memcmp) that do similar, I don't think anyone is suggesting 3 unique implementations. The obsolescent name bcmp would be aliased to either __memcmpeq or memcmp (depending on whether there are concerns about existing binaries depending on bcmp acting like memcmp). (And __memcmpeq and memcmp would be aliases on architectures without a separate optimized __memcmpeq.) -- Joseph S. Myers joseph@...esourcery.com
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