Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 10 Sep 2002 21:41:56 -0700
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        Peter Wemm <peter@wemm.org>, Darren Pilgrim <dmp@pantherdragon.org>, Matthew Dillon <dillon@apollo.backplane.com>, Dan Nelson <dnelson@allantgroup.com>, Terry Lambert <tlambert2@mindspring.com>, Jason Andresen <jandrese@mitre.org>, Dmitry Morozovsky <marck@rinet.ru>, hackers@FreeBSD.ORG
Subject:   Re: Updating bsd.cpu.mk (Re: -fomit-frame-pointer for the world build)
Message-ID:  <20020911044156.GB91353@dragon.nuxi.com>
In-Reply-To: <20020906203026.GA78157@xor.obsecurity.org>
References:  <3D50664F.71603B49@pantherdragon.org> <20020807015511.A1A092A7D6@canning.wemm.org> <20020906203026.GA78157@xor.obsecurity.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Sep 06, 2002 at 01:30:26PM -0700, Kris Kennaway wrote:
> > `-mcpu=CPU-TYPE'
> >      Tune to CPU-TYPE everything applicable about the generated code,
> >      except for the ABI and the set of available instructions.  The
> >      choices for CPU-TYPE are `i386', `i486', `i586', `i686',
> >      `pentium', `pentium-mmx', `pentiumpro', `pentium2', `pentium3',
> >      `pentium4', `k6', `k6-2', `k6-3', `athlon', `athlon-tbird',
> >      `athlon-4', `athlon-xp' and `athlon-mp'.
> > 
> > You can also add -msse, -msse2, -m3dnow to use those extensions. It would
> > appear that our bsd.cpu.mk file is out of date and is missing the newer
> > cpu types.
> 
> How about the following patch (I've only tested 'pentium3'):

I'd like to commit these Athlon changes.  I find this much easier to
understand.


Index: bsd.cpu.mk
===================================================================
RCS file: /home/ncvs/src/share/mk/bsd.cpu.mk,v
retrieving revision 1.18
diff -u -r1.18 bsd.cpu.mk
--- bsd.cpu.mk	7 Sep 2002 01:26:10 -0000	1.18
+++ bsd.cpu.mk	8 Sep 2002 23:25:51 -0000
@@ -42,16 +42,8 @@
 #	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
 
 . if ${MACHINE_ARCH} == "i386"
-.  if ${CPUTYPE} == "athlon-mp"
-_CPUCFLAGS = -march=athlon-mp
-.  elif ${CPUTYPE} == "athlon-xp"
-_CPUCFLAGS = -march=athlon-xp
-.  elif ${CPUTYPE} == "athlon-4"
-_CPUCFLAGS = -march=athlon-4
-.  elif ${CPUTYPE} == "athlon-tbird"
-_CPUCFLAGS = -march=athlon-tbird
-.  elif ${CPUTYPE} == "athlon"
-_CPUCFLAGS = -march=athlon
+.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || ${CPUTYPE} == "athlon-4" || ${CPUTYPE} == "athlon"
+_CPUCFLAGS = -march=${CPUTYPE}
 .  elif ${CPUTYPE} == "k6-3"
 _CPUCFLAGS = -march=k6-3
 .  elif ${CPUTYPE} == "k6-2"
@@ -105,16 +97,10 @@
 # presence of a CPU feature.
 
 .if ${MACHINE_ARCH} == "i386"
-. if ${CPUTYPE} == "athlon-mp"
-MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
-. elif ${CPUTYPE} == "athlon-xp"
-MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
-. elif ${CPUTYPE} == "athlon-4"
-MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
-. elif ${CPUTYPE} == "athlon-tbird"
-MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
-. elif ${CPUTYPE} == "athlon"
-MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
+. if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || ${CPUTYPE} == "athlon-4"
+MACHINE_CPU = athlon-xp k7 3dnow see mmx k6 k5 i586 i486 i386
+. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
+MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
 . elif ${CPUTYPE} == "k6-3"
 MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
 . elif ${CPUTYPE} == "k6-2"

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020911044156.GB91353>