From mint-bounce@lists.fishpool.fi Fri Jun 18 17:25:29 2010 Message-ID: <4C1BE3F5.4090109@lutece.net> Date: Fri, 18 Jun 2010 23:24:05 +0200 From: OL User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: mint Subject: Re: [MiNT] Still don't get it - difference between 68020 and 68020-60 References: <729ec3d897ff67cb50ea2269d3c5d33c-EhVcX1lFRQVaRwYcDTpQCEFddQZLVF5dQUBFBDBTXF5bVkYJXldoA1VcMl5dRkMKX1hZQFA=-webmailer2@server05.webmailer.hosteurope.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed X-ecartis-version: Ecartis v1.0.0 Sender: mint-bounce@lists.fishpool.fi Errors-to: mint-bounce@lists.fishpool.fi X-original-sender: o.l@lutece.net Precedence: bulk List-help: List-unsubscribe: List-Id: X-List-ID: List-subscribe: List-owner: List-post: Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.sparemint.org id o5ILPTjm030456 Paul Wratt a écrit : > On Fri, Jun 18, 2010 at 5:13 AM, m0n0 wrote: > >> Hello, >> >> I passed -m68020 to gcc invocation, but gcc takes libs from m68020-60 - >> why is that? Would be nice if someone can explain it in one sentence :) >> As far as I understood the -m68020 is using the fpu, while 68020-60 >> doesn't. >> >> Greets, >> Ole >> >> > > so Ole is right in assuming: > "" > the -m68020 is using the fpu, while 68020-60 doesn't. > "" > > Thats a question, and I presumue (if yes) it applies to ALL other non > 68000 targets? > > I just checked Wiki, it says 040 was the first with onboard FPU... > > can someone clarify this. (what gcc is using with a specific target) > > Paul > > -m68020 doesn't use FPU it's for 68020 only 68020-60 : use FPU but a compatible FPU with 68060 (reduce opcode compare to 68881 or even 68040) So software compiling with 68020-60 use FPU and can run on any processor with FPU without needed any emulation soft code. Olivier > > >