Date: Wed, 7 Jun 2017 23:56:54 -0400 From: Ed Maste <emaste@freebsd.org> To: Michael Tuexen <tuexen@freebsd.org>, Dimitry Andric <dim@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r317512 - in head: sys/conf sys/libkern sys/libkern/arm64 sys/sys tests/sys/kern Message-ID: <CAPyFy2D1oM9CYMM-wRK0mWdgoSgEPpRctH9JdwGBskkmki960Q@mail.gmail.com> In-Reply-To: <CAPyFy2B66MgvXaUek4DUAKNm2awCnmvYkZdWnc82OiDYZUTbNg@mail.gmail.com> References: <201704271753.v3RHr6iZ087662@repo.freebsd.org> <CAPyFy2B66MgvXaUek4DUAKNm2awCnmvYkZdWnc82OiDYZUTbNg@mail.gmail.com>
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On 7 June 2017 at 18:18, Ed Maste <emaste@freebsd.org> wrote: > On 27 April 2017 at 13:53, Michael Tuexen <tuexen@freebsd.org> wrote: >> Author: tuexen >> Date: Thu Apr 27 17:53:05 2017 >> New Revision: 317512 >> URL: https://svnweb.freebsd.org/changeset/base/317512 > > FYI when compiling this with the clang500-import branch I see: > > /scratch/tmp/emaste/freebsd/sys/libkern/arm64/crc32c_armv8.S:41:2: > error: instruction requires: crc > crc32cb w0, w0, w10 > ^ Andrew pointed out this is because there's no .arch armv8-a+crc directive -- which was not supported by Clang 3.8, is supported by Clang 4.0, and is required by Clang 5.0. I will commit it soon.
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