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Date:   Tue, 7 Oct 2014 12:16:59 -0700
From:   Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
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To:     Rich Felker <dalias@libc.org>
CC:     Andy Lutomirski <luto@amacapital.net>,
        Matthew Fortune <Matthew.Fortune@imgtec.com>,
        David Daney <david.s.daney@gmail.com>,
        "David Daney" <ddaney@caviumnetworks.com>,
        David Daney <ddaney.cavm@gmail.com>,
        "libc-alpha@sourceware.org" <libc-alpha@sourceware.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>,
        David Daney <david.daney@cavium.com>
Subject: Re: [PATCH resend] MIPS: Allow FPU emulator to use non-stack area.
References: <20141006215813.GB23797@brightrain.aerifal.cx> <543327E7.4020608@amacapital.net> <54332A64.5020605@caviumnetworks.com> <20141007000514.GD23797@brightrain.aerifal.cx> <543334CE.8060305@caviumnetworks.com> <20141007004915.GF23797@brightrain.aerifal.cx> <54337127.40806@gmail.com> <6D39441BF12EF246A7ABCE6654B0235320F1E173@LEMAIL01.le.imgtec.org> <543431DA.4090809@imgtec.com> <CALCETrUQEbb=DotSzsneN7Hano_eC-EoTMko6uKcyZXvEcktkw@mail.gmail.com> <20141007190943.GM23797@brightrain.aerifal.cx>
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On 10/07/2014 12:09 PM, Rich Felker wrote:
> I agree completely here. We should not break things (or, as it seems, 
> leave them broken) for common usage cases that affect everyone just to 
> coddle proprietary vendor-specific instructions. The latter just 
> should not be used in delay slots unless the chip vendor also promises 
> to provide fpu branch in hardware. Rich 
And what do you propose - remove a current in-stack emulation and you 
still think it doesn't break a status-quo?