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From: Noah Goldstein <goldstein.w.n@gmail.com>
Date: Sun, 9 Jan 2022 18:29:58 -0600
Message-ID: <CAFUsyfJB=k53V_9HURp=c6zH18j2Z2EHykdKx+wOQuAKhxwddg@mail.gmail.com>
Subject: Re: [PATCH v1 1/5] x86: Optimize strcmp-avx2.S and fix for [BZ# 28755]
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
 "Carlos O'Donell" <carlos@systemhalted.org>
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On Sun, Jan 9, 2022 at 8:08 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Sun, Jan 9, 2022 at 4:35 AM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
> >
> > On Sun, Jan 9, 2022 at 6:30 AM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
> > >
> > > Fixes [BZ# 28755] for wcsncmp by redirecting length >= 2^56 to
> > > __wcscmp_avx2. For x86_64 this covers the entire address range so any
> > > length larger could not possibly be used to bound `s1` or `s2`.
>
> Please first submit a separate single patch to fix wcsncmp_avx2 and
> wcsncmp_evex for BZ# 28755

Done.

>
> Thanks.
>
> --
> H.J.