Date: Tue, 20 May 2003 11:00:04 -0700 From: David Schultz <das@FreeBSD.ORG> To: Jon Lido <jlido@goof.com> Cc: freebsd-current@FreeBSD.ORG Subject: Re: gcc/libm floating-point bug? Message-ID: <20030520180004.GA2372@HAL9000.homeunix.com> In-Reply-To: <200305201216.10964.jlido@goof.com> References: <200305201025.30296.jlido@goof.com> <20030520152856.GA530@atlantis.rodal.no> <200305201216.10964.jlido@goof.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, May 20, 2003, Jon Lido wrote: > Well, I do have a P4, and had built everything with -march=pentium4. However, > rebuilding the kernel and modules with -march=pentium3 produces the same > results. This isn't a kernel problem, so you need to rebuild libm and libc without -march=pentium4. You really don't want to be using the Pentium 4 optimizations in gcc 3.2 anyway; the generated code is generally slower. gcc 3.3 has fixes for a number of the bugs, but I don't know about the performance problems.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030520180004.GA2372>