Date: Tue, 23 Oct 2012 17:54:18 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: John-Mark Gurney <jmg@funkthat.com>, freebsd-arch@freebsd.org Subject: Re: using SSE2 in kernel C code (improving AES-NI module) Message-ID: <20121023145418.GV35915@deviant.kiev.zoral.com.ua> In-Reply-To: <201210230834.20167.jhb@freebsd.org> References: <20121019233833.GS1967@funkthat.com> <20121021061011.GG35915@deviant.kiev.zoral.com.ua> <20121023070417.GD1563@funkthat.com> <201210230834.20167.jhb@freebsd.org>
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On Tue, Oct 23, 2012 at 08:34:20AM -0400, John Baldwin wrote:
> 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 +0=
300:
> > > Most likely, you can put the ${CFLAGS} on the command line, followed
> > > by -msse -msse2.
> >=20
> > 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/} ${DEBUG}
>=20
> Err, shouldn't later options override new ones? If you have
> "${CFLAGS} -msse -msse2 -maes" does that not work? =20
It is -nostdinc which cause issue for John-Mark. The header probably still
shall not be used.
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