From: Finn Thain <fthain@telegraphics.com.au>
To: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Debian m68k <debian-68k@lists.debian.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: LLVM for m68k completed (but not merged)
Date: Wed, 24 Jun 2020 11:07:39 +1000 (AEST) [thread overview]
Message-ID: <alpine.LNX.2.22.394.2006241039120.8@nippy.intranet> (raw)
In-Reply-To: <131920ba-0da7-7cb7-43a4-f4e93179e5eb@physik.fu-berlin.de>
On Tue, 23 Jun 2020, John Paul Adrian Glaubitz wrote:
> Hi!
>
> On 6/21/20 10:12 PM, John Paul Adrian Glaubitz wrote:
>
> > I just received the news that the m68k backend for LLVM has been
> > finished [1].
>
> I have had a go at the code now and with some changes to clang, I can
> actually cross-compile "Hello World" in C now, cross-compile it with
> clang and get a working m68k executable [1].
>
> > glaubitz@epyc:/tmp/llvm-build> ./bin/clang -target m68k-linux-gnu ~/hello.c -o hello.m68k
> > glaubitz@epyc:/tmp/llvm-build> file hello.m68k
> > hello.m68k: ELF 32-bit MSB executable, Motorola m68k, 68020, version 1 (SYSV), dynamically linked, interpreter /lib/ld.so.1, for GNU/Linux 3.2.0, not stripped
> > glaubitz@epyc:/tmp/llvm-build> cp -av hello.m68k /local_scratch/glaubitz/
> > 'hello.m68k' -> '/local_scratch/glaubitz/hello.m68k'
> > glaubitz@epyc:/tmp/llvm-build> schroot -c sid-m68k-sbuild
> > glaubitz@epyc:/tmp/llvm-build> uname -a
> > Linux epyc 5.6.0-2-amd64 #1 SMP Debian 5.6.14-1 (2020-05-23) m68k GNU/Linux
> > glaubitz@epyc:/tmp/llvm-build> /glaubitz/hello.m68k
> > Hello World!
> > glaubitz@epyc:/tmp/llvm-build>
>
> Adrian
>
> > [1] https://github.com/M680x0/M680x0-mono-repo/pull/7
>
Very impressive! I imagine that creating an LLVM backend would be a
massive undertaking.
Does this backend bring any benefits compared with gcc? E.g. will it help
gain support for other languages, like rust?
Do you know if anyone has run the LLVM unit tests on Motorola silicon?
next prev parent reply other threads:[~2020-06-24 1:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-21 20:12 LLVM for m68k completed (but not merged) John Paul Adrian Glaubitz
2020-06-23 15:34 ` John Paul Adrian Glaubitz
2020-06-24 1:07 ` Finn Thain [this message]
2020-06-24 7:42 ` John Paul Adrian Glaubitz
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