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Date: Sun, 30 Jul 2006 20:17:39 +0200 (MEST) From: Jan Engelhardt <jengelh@...ux01.gwdg.de> To: Avi Kivity <avi@...o.co.il> cc: Andi Kleen <ak@...e.de>, Jiri Slaby <jirislaby@...il.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: FP in kernelspace > > Cannot work on x86-64, even disregarding fp exceptions, because > kernel_fpu_begin() doesn't save the sse state which is used by fp math. > > No? No. You can - if you want - exclusively use x87 math on x64 (at least for userspace) and don't care about SSE. Otherwise, GCC having a -mfpmath=387 would be pretty useless. No? Jan Engelhardt -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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