Date: Tue, 3 Jul 2018 10:35:10 -0600 From: Warner Losh <imp@bsdimp.com> To: John Baldwin <jhb@freebsd.org> Cc: Eitan Adler <lists@eitanadler.com>, "freebsd-arch@freebsd.org" <arch@freebsd.org>, "Rodney W. Grimes" <freebsd-rwg@pdx.rh.cn85.dnsmgr.net> Subject: Re: xstr, mkstr Message-ID: <CANCZdfo%2BucYZ3Uvjg2XmTeVR=QsBz4BmLrY=%2Bk=LfT=jY6OZcA@mail.gmail.com> In-Reply-To: <d9b57ab8-acde-8371-145d-12cb58f6efde@FreeBSD.org> References: <CAF6rxgnqEkgq4_FaZasL1z3vx0r1jOG0WGrdnMAXFig%2Byu3WpQ@mail.gmail.com> <201807031445.w63EjJmF038596@pdx.rh.CN85.dnsmgr.net> <CAF6rxgn%2BEGtLeNg4x_jtcmO_CQ8x5As9ah%2BYT4%2Bg3RRf1JdfHw@mail.gmail.com> <CANCZdfq8ERejcTaC4uvn3KPK5=FbBS8VxfN6NOL2-giTDY9sug@mail.gmail.com> <d9b57ab8-acde-8371-145d-12cb58f6efde@FreeBSD.org>
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On Tue, Jul 3, 2018, 11:05 AM John Baldwin <jhb@freebsd.org> wrote: > On 7/3/18 8:26 AM, Warner Losh wrote: > >> "As far as I can tell" needs to be a bit stronger, > >> > >> Agreed. But before doing work we should first make sure that the work > >> will be productive. > >> > > > > Xstr and most are best thought of as a final pass of the old pcc > compiler. > > This functionality moved into gcc before the egcs split back in the 90s. > > The compiler has done this work for two decades now. Nobody uses it, or > > needs it today. > > > > Unlike tip or cu, nobody at all uses these. > > Agreed, these tools are quite obscure and I don't think _FreeBSD_ has ever > used them. > If we did, we had stopped by 3.x for sure. Warner >
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