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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">Hi Saleem,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">I would require cross compiled libcxx for the arm target. I have idea to cross compile it on Linux machine and use static libraries (eg.
libcxx.a) in linking on windows with clang.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">I am not sure it would work but I can try. Compiling libcxx on windows is a pain as far as I have tried.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">@all: Do you think I can go with cross compiled standard c++ lib from gcc on windows with clang? I have no idea that gcc compiled binaries
can be linked with clang compiler? I think that is possible as the backend of clang compiler is from gcc?
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Mit freundlichen Grüßen / Best regards
<br>
<br>
<b>Zeeshan Haider<br>
CC/ESM1<br>
</b><br>
Tel. </span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">+49(711)811-47379
</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black"><br>
<br>
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Saleem Abdulrasool [mailto:compnerd@compnerd.org]
<br>
<b>Sent:</b> Sonntag, 5. Februar 2017 06:36<br>
<b>To:</b> Renato Golin <renato.golin@linaro.org><br>
<b>Cc:</b> Haider Zeeshan (CC/ESM1) <Zeeshan.Haider@de.bosch.com>; LLVM Dev <llvm-dev@lists.llvm.org>; Tim Northover <t.p.northover@gmail.com>; Eric Fiselier <eric@efcs.ca>; Marshall Clow <mclow.lists@gmail.com><br>
<b>Subject:</b> Re: [llvm-dev] Clang 5.0 support for armv8 64 bit with neon and auto vectorization<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">On Fri, Feb 3, 2017 at 12:03 PM, Renato Golin <</span><a href="mailto:renato.golin@linaro.org" target="_blank"><span lang="EN-US">renato.golin@linaro.org</span></a><span lang="EN-US">> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Adding some people that know about libcxx and/or windows on arm. <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Note that if you are trying to use Windows on ARM port, I've not tested C++ support with MS ABI, onlly the itanium ABI has been tested (there are known limitations for the C++ MS ABI on Windows ARM). Furthermore, we
do not currently have the ability to generate .pdata/.xdata which means that unwinding does not work nor would exceptions (unless you use SjLj exceptions, but that means that interop with the native libraries is not possible).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">I've not done the port for Windows ARM64 yet either (due to lack of such a device).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Cheers, <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:#888888">Renato <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">On 3 Feb 2017 18:15, "Haider Zeeshan (CC/ESM1) via llvm-dev" <</span><a href="mailto:llvm-dev@lists.llvm.org" target="_blank"><span lang="EN-US">llvm-dev@lists.llvm.org</span></a><span lang="EN-US">> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">One more thing, setting up clang 5,0 on windows, I have issues compiling libcxx project.<br>
<br>
Is it supported to be built with Visual studio or MinGW make files?<br>
<br>
</span>Mit freundlichen Grüßen / Best regards<br>
<br>
Zeeshan Haider<br>
CC/ESM1<br>
<br>
Tel. <a href="tel:%2B49%28711%29811-47379" target="_blank"><span lang="EN-US">+49(711)811-47379</span></a><span lang="EN-US"><br>
<br>
<br>
<br>
-----Original Message-----<br>
From: Tim Northover [mailto:</span><a href="mailto:t.p.northover@gmail.com" target="_blank"><span lang="EN-US">t.p.northover@gmail.com</span></a><span lang="EN-US">]<br>
Sent: Freitag, 3. Februar 2017 18:05<br>
To: Haider Zeeshan (CC/ESM1) <</span><a href="mailto:Zeeshan.Haider@de.bosch.com" target="_blank"><span lang="EN-US">Zeeshan.Haider@de.bosch.com</span></a><span lang="EN-US">><br>
Cc: </span><a href="mailto:llvm-dev@lists.llvm.org" target="_blank"><span lang="EN-US">llvm-dev@lists.llvm.org</span></a><span lang="EN-US"><br>
Subject: Re: [llvm-dev] Clang 5.0 support for armv8 64 bit with neon and auto vectorization<br>
<br>
Hi Haider,<br>
<br>
On 3 February 2017 at 07:13, Haider Zeeshan (CC/ESM1) <</span><a href="mailto:Zeeshan.Haider@de.bosch.com" target="_blank"><span lang="EN-US">Zeeshan.Haider@de.bosch.com</span></a><span lang="EN-US">> wrote:<br>
> Being that said, can I be sure that for 64 bit arm architectures (e.g. arm cortex A57) the neon feature and auto-vectorization is supported as default by clang 5.0?<br>
<br>
Yes, unless something has gone horribly wrong they will be. The obvious quick test would be to compile something trivial like<br>
<br>
void foo(float *arr) {<br>
for (int i = 0; i < 128; ++i)<br>
arr[i] += 1;<br>
}<br>
<br>
and look at the output.<br>
<br>
Tim.<br>
_______________________________________________<br>
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</span><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank"><span lang="EN-US">http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</span></a><span lang="EN-US"><o:p></o:p></span></p>
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<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Saleem Abdulrasool<br>
compnerd (at) compnerd (dot) org<o:p></o:p></span></p>
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