Date: Thu, 9 Jun 2005 14:57:58 GMT From: Shusnuke SHINOMIYA <shino@fornext.org> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/82071: incorrect -march's parameter to build 32bit libraries Message-ID: <200506091457.j59EvwNF039316@www.freebsd.org> Resent-Message-ID: <200506091500.j59F0W9m005884@freefall.freebsd.org>
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>Number: 82071
>Category: amd64
>Synopsis: incorrect -march's parameter to build 32bit libraries
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-amd64
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jun 09 15:00:32 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator: Shusnuke SHINOMIYA
>Release: FreeBSD/amd64 5.4-STABLE
>Organization:
>Environment:
FreeBSD walnut.net.ss.titech.ac.jp 5.4-STABLE FreeBSD 5.4-STABLE #0: Sat May 7 15:57:39 JST 2005 shino@walnut.net.ss.titech.ac.jp:/usr/obj/usr/src/sys/WALNUT amd64
>Description:
In src/Makefile.inc1, -march's parameter is hard-coded as athlon-xp in order to build 32bit libraries.
But, I think appropriate -march in Intel Xeon environment is prescott.
BTW, nocona is not AMD CPU. However nocona is listed as `AMD CPUs' in share/examples/etc/make.conf.
>How-To-Repeat:
>Fix:
--- Makefile.inc1.orig Thu Jun 9 23:30:41 2005
+++ Makefile.inc1 Thu Jun 9 23:35:26 2005
@@ -205,7 +205,13 @@
# 32 bit world
LIB32TMP= ${OBJTREE}${.CURDIR}/lib32
-LIB32PREFLAGS= -m32 -march=athlon-xp -msse2 -mfancy-math-387 -DCOMPAT_32BIT
+LIB32PREFLAGS= -m32 -msse2 -mfancy-math-387 -DCOMPAT_32BIT
+.if ${TARGET_CPUTYPE} == "nocona"
+LIB32PREFLAGS+= -march=prescott
+.else
+LIB32PREFLAGS+= -march=athlon-xp
+.endif
+
LIB32POSTFLAGS= -I${LIB32TMP}/usr/include \
-L${LIB32TMP}/usr/lib32 \
-B${LIB32TMP}/usr/lib32
>Release-Note:
>Audit-Trail:
>Unformatted:
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