From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FxOxl-0000ZI-9i for qemu-devel@nongnu.org; Mon, 03 Jul 2006 09:59:45 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FxOxj-0000Z2-Gk for qemu-devel@nongnu.org; Mon, 03 Jul 2006 09:59:44 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FxOxj-0000Yz-BE for qemu-devel@nongnu.org; Mon, 03 Jul 2006 09:59:43 -0400 Received: from [65.74.133.6] (helo=mail.codesourcery.com) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1FxPBB-0006jU-Ld for qemu-devel@nongnu.org; Mon, 03 Jul 2006 10:13:37 -0400 From: Paul Brook Subject: Re: [Qemu-devel] [PATCH] Sparc64 host support update: i386-user builds Date: Mon, 3 Jul 2006 14:59:30 +0100 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200607031459.31252.paul@codesourcery.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org > I got the i386-user to build by moving the troublesome SSE ops to helper > (only for Sparc32/64, no effect at least to x86 host). The emulator crashes > when executing the first TB, code generation and register use could be > suspected. The patch makes ops_sse.h more confusing to read. Any comments? Requiring that ops don't use a stack frame doesn't seem like a realistic constraint. > The remaining target specific problem with PPC FPU ops could be solved by > changing PPC to soft float. Would that be OK? The use of soft-float should be a host decision, not a target decision. All targets should be converted to use the softfloat.h interface. Hosts can then choose to use with the softfloat library or the native implementation depending on the host FP capabilities. Paul