<div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div dir="ltr" ><span style="font-size:0.857em;" >Yes, thank you for the clarification. PowerPC has supported both modes for many generations, although I wasn't aware off hand of documentation describing this. Thank you for sending the links. </span></div>
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<div dir="ltr" ><span style="font-size:0.857em;" >Kit Barton, Ph.D.<br>LLVM Development on POWER<br>IBM Toronto Lab, D2/929/8200/MKM<br>8200 Warden Ave, Markham, L6G 1C7<br>(905) 413-3452<br>kbarton@ca.ibm.com</span>
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<blockquote data-history-content-modified="1" style="border-left:solid #aaaaaa 2px; margin-left:5px; padding-left:5px; direction:ltr; margin-right:0px" >----- Original message -----<br>From: Konstantin Tokarev <annulen@yandex.ru><br>To: Kit Barton/Toronto/IBM@IBMCA, "junkoi2004@gmail.com" <junkoi2004@gmail.com><br>Cc: "llvm-dev@lists.llvm.org" <llvm-dev@lists.llvm.org><br>Subject: Re: [llvm-dev] PPC little endian?<br>Date: Tue, Apr 26, 2016 1:11 PM<br>
<div><br><font face="Default Monospace,Courier New,Courier,monospace" size="2" >26.04.2016, 19:48, "Kit Barton via llvm-dev" <llvm-dev@lists.llvm.org>:<br>> Hi Jun,<br>> There are no PowerPC 32-bit Little-Endian machines.<br><br>This is not true<br><br><a href="https://en.wikipedia.org/wiki/PowerPC#Endian_modes" target="_blank" >https://en.wikipedia.org/wiki/PowerPC#Endian_modes</a><br><a href="http://lwn.net/Articles/408845" target="_blank" >http://lwn.net/Articles/408845</a><br><br>However, this feature is not available on all CPU models, and was never used widely.<br><br>> Little-endian was introduced with OpenPOWER a couple years ago, and a decision was made to only support 64-bit.<br><br>This is certainly true for POWER series of CPUs, produced by IBM<br><br><br>><br>> Kit Barton, Ph.D.<br>> LLVM Development on POWER<br>> IBM Toronto Lab, D2/929/8200/MKM<br>> 8200 Warden Ave, Markham, L6G 1C7<br>> (905) 413-3452<br>> kbarton@ca.ibm.com<br>><br>>> ----- Original message -----<br>>> From: Jun Koi via llvm-dev <llvm-dev@lists.llvm.org><br>>> Sent by: "llvm-dev" <llvm-dev-bounces@lists.llvm.org><br>>> To: llvm-dev <llvm-dev@lists.llvm.org><br>>> Cc:<br>>> Subject: [llvm-dev] PPC little endian?<br>>> Date: Tue, Apr 26, 2016 12:41 PM<br>>><br>>> Hi,<br>>><br>>> I am wondering why we dont support PPC32 LE?<br>>><br>>> Here is the output of llvm-mc --version, in which only PPC32, PPC64 & PPC64LE are supported.<br>>><br>>> $ llvm-mc --version<br>>> LLVM (<a href="http://llvm.org/" target="_blank" >http://llvm.org/</a>):<br>>> LLVM version 3.6.2<br>>> Optimized build with assertions.<br>>> Built Aug 2 2015 (11:39:46).<br>>> Default target: x86_64-apple-darwin15.4.0<br>>> Host CPU: core-avx2<br>>><br>>> Registered Targets:<br>>> aarch64 - AArch64 (little endian)<br>>> aarch64_be - AArch64 (big endian)<br>>> amdgcn - AMD GCN GPUs<br>>> arm - ARM<br>>> arm64 - ARM64 (little endian)<br>>> armeb - ARM (big endian)<br>>> cpp - C++ backend<br>>> hexagon - Hexagon<br>>> mips - Mips<br>>> mips64 - Mips64 [experimental]<br>>> mips64el - Mips64el [experimental]<br>>> mipsel - Mipsel<br>>> msp430 - MSP430 [experimental]<br>>> nvptx - NVIDIA PTX 32-bit<br>>> nvptx64 - NVIDIA PTX 64-bit<br>>> ppc32 - PowerPC 32<br>>> ppc64 - PowerPC 64<br>>> ppc64le - PowerPC 64 LE<br>>> r600 - AMD GPUs HD2XXX-HD6XXX<br>>> sparc - Sparc<br>>> sparcv9 - Sparc V9<br>>> systemz - SystemZ<br>>> thumb - Thumb<br>>> thumbeb - Thumb (big endian)<br>>> x86 - 32-bit X86: Pentium-Pro and above<br>>> x86-64 - 64-bit X86: EM64T and AMD64<br>>> xcore - XCore<br>>> _______________________________________________<br>>> LLVM Developers mailing list<br>>> llvm-dev@lists.llvm.org<br>>> <a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank" >http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><br>><br>> ,<br>><br>> _______________________________________________<br>> LLVM Developers mailing list<br>> llvm-dev@lists.llvm.org<br>> <a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank" >http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><br><br><br>--<br>Regards,<br>Konstantin</font><br> </div></blockquote></div></div><BR>