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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">Hi, all:<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">Recently when I build compiler-rt runtime library based on riscv32 and get an unknown type error about int128 type, this has been discussed in the community:  <o:p></o:p></span></p>
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<span lang="EN-US"><a href="http://lists.llvm.org/pipermail/llvm-dev/2018-January/120887.html">http://lists.llvm.org/pipermail/llvm-dev/2018-January/120887.html</a></span><span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729"><o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">But there is no support in GCC for expressing an integer constant of type __int128 for targets with long long integer less than 128 bits wide(</span><span lang="EN-US"><a href="https://gcc.gnu.org/onlinedocs/gcc-7.3.0/gcc/_005f_005fint128.html#g_t_005f_005fint128">https://gcc.gnu.org/onlinedocs/gcc-7.3.0/gcc/_005f_005fint128.html#g_t_005f_005fint128</a></span><span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">)</span><span style="font-size:11.5pt;font-family:宋体;color:#242729">。</span><span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729"><o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">So do anyone have a different solution to support long-double fp operation?<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729"><o:p> </o:p></span></p>
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<span lang="EN-US" style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#242729">zhiwei<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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