From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45924) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlNHO-0000xo-Vs for qemu-devel@nongnu.org; Sun, 11 Oct 2015 16:31:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZlNHK-0004RO-4l for qemu-devel@nongnu.org; Sun, 11 Oct 2015 16:31:38 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:33323) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlNHK-0004PZ-08 for qemu-devel@nongnu.org; Sun, 11 Oct 2015 16:31:34 -0400 Date: Sun, 11 Oct 2015 22:30:59 +0200 From: Aurelien Jarno Message-ID: <20151011203059.GA16705@aurel32.net> References: <1440591140-95670-1-git-send-email-petar.jovanovic@rt-rk.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1440591140-95670-1-git-send-email-petar.jovanovic@rt-rk.com> Subject: Re: [Qemu-devel] [PATCH v2] target-mips: remove wrong checks for recip.fmt and rsqrt.fmt List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Petar Jovanovic Cc: leon.alrae@imgtec.com, qemu-devel@nongnu.org, petar.jovanovic@imgtec.com (sorry for the late answer) On 2015-08-26 14:12, Petar Jovanovic wrote: > From: Petar Jovanovic > > Instructions recip.{s|d} and rsqrt.{s|d} do not require 64-bit FPU neither > they require any particular mode for its FPU. This patch removes the checks > that may break a program that uses these instructions. That is correct. That said these instructions do require at least a MIPS32R2 or a MIPS64R1 CPU. I guess we should add these checks now that check_cop1x do not guard them anymore. -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurelien@aurel32.net http://www.aurel32.net