[llvmlinux] AARCH64 unit tests for clang
mcharleb at quicinc.com
Tue Oct 29 18:37:04 UTC 2013
Thanks. I fixed the @ vs // and the issue persists. I filed an llvm bug:
From: llvmlinux-bounces at lists.linuxfoundation.org [llvmlinux-bounces at lists.linuxfoundation.org] on behalf of Tim Northover [t.p.northover at gmail.com]
Sent: Tuesday, October 29, 2013 11:33 AM
To: Compiling the Linux Kernel with Clang/LLVM
Subject: Re: [llvmlinux] AARCH64 unit tests for clang
> Thanks so much for the insight, it was very helpful!
> I have another asm issue that I hope you can provide insight on:
> 1. The following seems to generate 2 errors when compiled with clang with -O2 enabled, but works without -O2:
I can't quite explain why it works without -O2, but the problem is
that AArch64 assembly comments are introduced by "//" rather than "@"
(as they were in ARM). I suspect this was just a copy/paste from ARM
code so (fingers crossed) there won't be much objection to changing
Oddly, I can't even get gas to accept the @ so I don't know what's
going on there with GCC.
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