From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2844 invoked by alias); 16 Nov 2010 21:11:29 -0000 Received: (qmail 2710 invoked by uid 22791); 16 Nov 2010 21:11:26 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_BF X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 16 Nov 2010 21:11:20 +0000 From: "mikpe at it dot uu.se" To: gcc-bugs@gcc.gnu.org Subject: [Bug libffi/46508] New: [4.6 regression] "Add ARM VFP ABI support to libffi" broke build for armv5tel-linux-gnueabi with binutils-2.20.1 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libffi X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mikpe at it dot uu.se X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Tue, 16 Nov 2010 21:13:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-11/txt/msg02102.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46508 Summary: [4.6 regression] "Add ARM VFP ABI support to libffi" broke build for armv5tel-linux-gnueabi with binutils-2.20.1 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libffi AssignedTo: unassigned@gcc.gnu.org ReportedBy: mikpe@it.uu.se Attempting to build gcc-4.6-20101113 with --enable-languages=java (which enables libffi) for armv5tel-linux-gnueabi with binutils-2.20.1 fails due to the assembler complaining about VFP instructions in libffi's arm sysv.S: > /tmp/gcc-4.6-20101113/configure --target=armv5tel-unknown-linux-gnueabi --with-arch=armv5te --prefix=/home/mikpe/pkgs/linux-x86/cross-armv5tel --disable-nls --disable-shared --disable-libmudflap --disable-multilib --enable-threads=posix --enable-checking=release --enable-languages=c,c++,java > make ... libtool: compile: /tmp/objdir/./gcc/xgcc -B/tmp/objdir/./gcc/ -B/home/mikpe/pkgs/linux-x86/cross-armv5tel/armv5tel-unknown-linux-gnueabi/bin/ -B/home/mikpe/pkgs/linux-x86/cross-armv5tel/armv5tel-unknown-linux-gnueabi/lib/ -isystem /home/mikpe/pkgs/linux-x86/cross-armv5tel/armv5tel-unknown-linux-gnueabi/include -isystem /home/mikpe/pkgs/linux-x86/cross-armv5tel/armv5tel-unknown-linux-gnueabi/sys-include -DHAVE_CONFIG_H -I. -I/tmp/gcc-4.6-20101113/libffi -I. -I/tmp/gcc-4.6-20101113/libffi/include -Iinclude -I/tmp/gcc-4.6-20101113/libffi/src -I. -I/tmp/gcc-4.6-20101113/libffi/include -Iinclude -I/tmp/gcc-4.6-20101113/libffi/src -g -O2 -MT src/arm/sysv.lo -MD -MP -MF src/arm/.deps/sysv.Tpo -c /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S -o src/arm/sysv.o /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S: Assembler messages: /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:266: Error: selected processor does not support `flddle d0,[ip]' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:267: Error: selected processor does not support `fldmiadgt ip,{d0-d7}' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:307: Error: selected processor does not support `fstseq s0,[r2]' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:311: Error: selected processor does not support `fstdeq d0,[r2]' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:316: Error: selected processor does not support `fstmiadeq r2,{d0-d3}' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:400: Error: selected processor does not support `fstmfdd sp!,{d0-d7}' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:438: Error: selected processor does not support `flds s0,[sp]' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:441: Error: selected processor does not support `fldd d0,[sp]' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:450: Error: selected processor does not support `fldmiad sp,{d0-d1}' /tmp/gcc-4.6-20101113/libffi/src/arm/sysv.S:453: Error: selected processor does not support `fldmiad sp,{d0-d3}' make[4]: *** [src/arm/sysv.lo] Error 1 make[4]: Leaving directory `/tmp/objdir/armv5tel-unknown-linux-gnueabi/libffi' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/tmp/objdir/armv5tel-unknown-linux-gnueabi/libffi' make[2]: *** [all] Error 2 make[2]: Leaving directory `/tmp/objdir/armv5tel-unknown-linux-gnueabi/libffi' make[1]: *** [all-target-libffi] Error 2 make[1]: Leaving directory `/tmp/objdir' make: *** [all] Error 2 Notes: 1. If binutils is downgraded to 2.19.1 then gas no longer complains. 2. gcc-4.6-20101023 built Ok with the same configuration (a number of bootstrap-unbreaking patches were applied though). This error is a regression from r166032, "Add ARM VFP ABI support to libffi": http://gcc.gnu.org/ml/gcc-cvs/2010-10/msg01219.html http://gcc.gnu.org/ml/gcc-patches/2010-10/msg02419.html