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<font size="2"><span style="font-size:11pt">>> So given that we got around with this for years, how much use do<br>
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<font size="2"><span style="font-size:11pt">>> non-lower case assembler pseudops actually see?</span></font></div>
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<font size="2"><span style="font-size:11pt"></span></font>The original issue was in newlib[0] and I also went through the GNU AS docs [1] and found a few targets that list directives as non lower case (ARC, MMIX, V850). However they would accept any case. ".ABORT"
is called out specifically mostly as a compatibility note. Again, accepts any case.</div>
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I'm not holding this up as a super high priority issue, the bug above is the only one I know of. I just happened across it and thought it would be good to make it consistent.<br>
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[0] <a href="https://bugs.llvm.org/show_bug.cgi?id=39527" id="LPlnk330424">https://bugs.llvm.org/show_bug.cgi?id=39527</a></div>
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[1] <a href="https://sourceware.org/binutils/docs/as/" id="LPlnk252319">https://sourceware.org/binutils/docs/as/</a><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> llvm-dev <llvm-dev-bounces@lists.llvm.org> on behalf of Joerg Sonnenberger via llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Sent:</b> 06 February 2020 23:13<br>
<b>To:</b> llvm-dev@lists.llvm.org <llvm-dev@lists.llvm.org><br>
<b>Subject:</b> Re: [llvm-dev] compatibility with gnu binutils</font>
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<div class="PlainText">On Thu, Feb 06, 2020 at 11:46:26AM -0800, Jordan Rupprecht via llvm-dev wrote:<br>
> > Where was this policy, which sounds like replicating their design<br>
> mistakes bug-for-bug, agreed upon and documented?<br>
> James responded already, but just to add my perspective: on the subject of<br>
> llvm vs gnu binutils compatibility, I've heard everything in the range from<br>
> "let's do our own completely separate thing" to "let's be byte-for-byte<br>
> compatible". The general consensus is closer towards the closer<br>
> compatibility side, so the happy medium we've tried to apply is "be gnu<br>
> compatible, except when it doesn't make sense" -- support for ancient<br>
> platforms, bugs, weird formatting, etc. We definitely take things on a case<br>
> by case basis, there's no firm policy that we replicate all the bugs.<br>
<br>
So given that we got around with this for years, how much use do<br>
non-lower case assembler pseudops actually see?<br>
<br>
Joerg<br>
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