Date: Wed, 29 Mar 2023 19:39:43 -0600 From: Warner Losh <imp@bsdimp.com> To: John Baldwin <jhb@freebsd.org> Cc: "freebsd-arch@freebsd.org" <arch@freebsd.org> Subject: Re: Deprecate/remove riscv64sf Message-ID: <CANCZdfrH_yRz3e2QRz2a60MGRUnkY3qDNgTDEwpdM-XnAUt3pA@mail.gmail.com> In-Reply-To: <629bf85d-4d48-17f5-cb26-dfd29f7e6ff7@FreeBSD.org> References: <629bf85d-4d48-17f5-cb26-dfd29f7e6ff7@FreeBSD.org>
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--0000000000007e6c9c05f81453ed Content-Type: text/plain; charset="UTF-8" On Wed, Mar 29, 2023, 12:17 PM John Baldwin <jhb@freebsd.org> wrote: > Is anyone using riscv64sf? All of the existing RISC-V boards include > hard-float > support as well as QEMU. The FPGA cores we use at Cambridge also all > support > hard-float. My understanding is that glibc doesn't bother supporting > soft-float > on RV64. If no one is using it (and has no plans to use it), then I > propose > we drop it in 14.0 and save one more buildworld from make tinderbox. > I agree. Iirc it was added just in case since some 32bit cores had no fp. Warner > --0000000000007e6c9c05f81453ed Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><div><br><br><div class=3D"gmail_quote"><div dir=3D"ltr" = class=3D"gmail_attr">On Wed, Mar 29, 2023, 12:17 PM John Baldwin <<a hre= f=3D"mailto:jhb@freebsd.org">jhb@freebsd.org</a>> wrote:<br></div><block= quote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc= solid;padding-left:1ex">Is anyone using riscv64sf?=C2=A0 All of the existi= ng RISC-V boards include hard-float<br> support as well as QEMU.=C2=A0 The FPGA cores we use at Cambridge also all = support<br> hard-float.=C2=A0 My understanding is that glibc doesn't bother support= ing soft-float<br> on RV64.=C2=A0 If no one is using it (and has no plans to use it), then I p= ropose<br> we drop it in 14.0 and save one more buildworld from make tinderbox.<br></b= lockquote></div></div><div dir=3D"auto"><br></div><div dir=3D"auto">I agree= . Iirc it was added just in case since some 32bit cores had no fp.</div><di= v dir=3D"auto"><br></div><div dir=3D"auto">Warner=C2=A0</div><div dir=3D"au= to"><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"m= argin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> </blockquote></div></div></div> --0000000000007e6c9c05f81453ed--
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