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Date: Mon, 09 Feb 2015 16:22:31 -0500
From: Jung-uk Kim <jkim@FreeBSD.org>
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To: John Baldwin <jhb@FreeBSD.org>, src-committers@freebsd.org, 
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Subject: Re: svn commit: r278474 - head/sys/sys
References: <201502092103.t19L3OAn013792@svn.freebsd.org>
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On 02/09/2015 16:03, John Baldwin wrote:
> Author: jhb Date: Mon Feb  9 21:03:23 2015 New Revision: 278474 
> URL: https://svnweb.freebsd.org/changeset/base/278474
> 
> Log: Use __builtin_popcnt() to implement a BIT_COUNT() operation
> for bitsets and use this to implement CPU_COUNT() to count the
> number of CPUs in a cpuset.
...

This is wrong.  __builtin_popcountl() must be used here.
__builtin_popcount() is for *int*.

Jung-uk Kim
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