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Re: PATCH: Unroll 32bit SSE strlen

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Ulrich Drepper <drepper at redhat dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>
Date: Wed, 25 Aug 2010 08:50:15 -0700
Subject: Re: PATCH: Unroll 32bit SSE strlen
References: <20100825150318.GA32523@intel.com><1357513486.1183941282750052189.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>

On Wed, Aug 25, 2010 at 8:27 AM, Ulrich Drepper <drepper@redhat.com> wrote:
> None of this applies to x86-64? ?Then why should we have this test for bsf on x86-64?
>

BSF is also slow on Atom in 64bit.  We will submit a patch to avoid
BSF in 64bit strlen
when Slow_BSF is set.


-- 
H.J.

References:
- PATCH: Unroll 32bit SSE strlen
  - From: H.J. Lu
- Re: PATCH: Unroll 32bit SSE strlen
  - From: Ulrich Drepper

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