From owner-svn-src-stable@freebsd.org Tue Sep 5 16:59:21 2017 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 38A23E127BE; Tue, 5 Sep 2017 16:59:21 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D78D171FAF; Tue, 5 Sep 2017 16:59:20 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v85GxJOs058603; Tue, 5 Sep 2017 16:59:19 GMT (envelope-from dim@FreeBSD.org) Received: (from dim@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v85GxJKT058602; Tue, 5 Sep 2017 16:59:19 GMT (envelope-from dim@FreeBSD.org) Message-Id: <201709051659.v85GxJKT058602@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dim set sender to dim@FreeBSD.org using -f From: Dimitry Andric Date: Tue, 5 Sep 2017 16:59:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r323187 - stable/11/lib/libcompiler_rt X-SVN-Group: stable-11 X-SVN-Commit-Author: dim X-SVN-Commit-Paths: stable/11/lib/libcompiler_rt X-SVN-Commit-Revision: 323187 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Sep 2017 16:59:21 -0000 Author: dim Date: Tue Sep 5 16:59:19 2017 New Revision: 323187 URL: https://svnweb.freebsd.org/changeset/base/323187 Log: MFC r323001: In compiler-rt, a few assembler implementations for i386 floating point conversion functions use SSE2 instructions, but these are not guarded by #ifdef __SSE2__, and there is no implementation using general purpose registers. For these functions, use the generic C variants instead, otherwise they will cause SIGILL on older processors. Reported by: bsdpr@phoe.frmug.org PR: 221733 Modified: stable/11/lib/libcompiler_rt/Makefile.inc Directory Properties: stable/11/ (props changed) Modified: stable/11/lib/libcompiler_rt/Makefile.inc ============================================================================== --- stable/11/lib/libcompiler_rt/Makefile.inc Tue Sep 5 15:21:34 2017 (r323186) +++ stable/11/lib/libcompiler_rt/Makefile.inc Tue Sep 5 16:59:19 2017 (r323187) @@ -55,18 +55,12 @@ SRCF+= fixunsxfsi SRCF+= fixunsxfti SRCF+= fixxfdi SRCF+= fixxfti -SRCF+= floatdidf -SRCF+= floatdisf SRCF+= floatditf -SRCF+= floatdixf SRCF+= floatsitf SRCF+= floattidf SRCF+= floattisf SRCF+= floattixf -SRCF+= floatundidf -SRCF+= floatundisf SRCF+= floatunditf -SRCF+= floatundixf SRCF+= floatunsidf SRCF+= floatunsisf SRCF+= floatuntidf @@ -122,6 +116,23 @@ SRCF+= udivmodti4 SRCF+= udivti3 SRCF+= umoddi3 SRCF+= umodti3 + +# Avoid using SSE2 instructions on i386. +.if ${MACHINE_CPUARCH} == "i386" +SRCS+= floatdidf.c +SRCS+= floatdisf.c +SRCS+= floatdixf.c +SRCS+= floatundidf.c +SRCS+= floatundisf.c +SRCS+= floatundixf.c +.else +SRCF+= floatdidf +SRCF+= floatdisf +SRCF+= floatdixf +SRCF+= floatundidf +SRCF+= floatundisf +SRCF+= floatundixf +.endif # __cpu_model support, only used on x86 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"