Date: Tue, 23 Oct 2012 08:34:20 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-arch@freebsd.org Cc: Konstantin Belousov <kostikbel@gmail.com>, John-Mark Gurney <jmg@funkthat.com> Subject: Re: using SSE2 in kernel C code (improving AES-NI module) Message-ID: <201210230834.20167.jhb@freebsd.org> In-Reply-To: <20121023070417.GD1563@funkthat.com> References: <20121019233833.GS1967@funkthat.com> <20121021061011.GG35915@deviant.kiev.zoral.com.ua> <20121023070417.GD1563@funkthat.com>
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On Tuesday, October 23, 2012 3:04:17 am John-Mark Gurney wrote:
> Konstantin Belousov wrote this message on Sun, Oct 21, 2012 at 09:10 +0300:
> > Most likely, you can put the ${CFLAGS} on the command line, followed
> > by -msse -msse2.
>
> I can't use CFLAGS because it removes access to the xmmintrin.h header
> file... It looks like an option is to use:
> -fpic ${OPTFLAGS:C/^-O2$/-O3/} ${DEBUG}
Err, shouldn't later options override new ones? If you have
"${CFLAGS} -msse -msse2 -maes" does that not work?
--
John Baldwin
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