Date: Fri, 09 Aug 2002 18:08:35 +0200 From: Michael Nottebrock <michaelnottebrock@gmx.net> To: freebsd-current@FreeBSD.ORG Cc: Marc Recht <marc@informatik.uni-bremen.de> Subject: Re: Compiler error XFree86-Server Message-ID: <3D53E903.60302@gmx.net> References: <20020806230045.3EFF72DD@nebula.anchoragerescue.org> <3D5127D3.2030601@gmx.net> <20020809043953.GC980@dragon.nuxi.com> <3D534D0F.704@gmx.net> <20020809081355.754aca33.marc@informatik.uni-bremen.de> <20020809144713.GA3531@dragon.nuxi.com>
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This is a multi-part message in MIME format. --------------050107050907010503000107 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit David O'Brien wrote: >>>I've got suggests that it's still present in all branches. I get the >>>impression that not too many people really use gcc3 with heavy >>>optimization on big stuff like XFree86 yet ... Of course, updating the >> >>XFree86 works like a charm built with -march=athlon-xp . > > > I do know that compiling XFree86 with a June 2002 GCC 3.1.1 prerelease > works fine on AMD x86-64 running SuSE with -O2 and -march specifying the > Hammer. You might want to try the attached code-snippet I grabbed from the gcc GNATS. It manages to ICE 3.1 and 3.2 with a lot of optimizations, including pentium2/3/4 and athlon-* and is believed to trigger the same bug that borks XFree86 here. Compile with gcc -O -march=<arch> -c clacrt.c Regards, -- Michael Nottebrock "And the reasons? There are no reasons." --------------050107050907010503000107 Content-Type: text/x-csrc; name="clacrt.c" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="clacrt.c" void foo () { struct { float x, y; } c, *cp; static float z; while (1) { c.y = cp->y + cp->y; z = c.y + 1.0; } } --------------050107050907010503000107-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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