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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">LLVM does not support IEEE decimal-floating point.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If by “fixed point arithmetic” you are asking about associating a scale factor with a variable/value, and doing the correct scaling for arbitrary arithmetic…
LLVM doesn’t do that either. It’s a rare IR that even has the concept. The OpenVMS GEM compilers supported it (along with other special features for COBOL), but I’m not aware of any others.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--paulr<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> llvmdev-bounces@cs.uiuc.edu [mailto:llvmdev-bounces@cs.uiuc.edu]
<b>On Behalf Of </b>Suminda Dharmasena<br>
<b>Sent:</b> Saturday, September 07, 2013 2:02 AM<br>
<b>To:</b> llvmdev@cs.uiuc.edu<br>
<b>Subject:</b> [LLVMdev] IEEE 754-2008 | ISO/IEC TR 18037<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Does LLVM support decimal precision numbers supported? Also does it have Fixed point arithmetic?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">S<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif"">--</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif"">Suminda Sirinath Salpitikorala Dharmasena, B.Sc. Comp. & I.S. (Hon.) Lond., P.G.Dip. Ind. Maths. J'Pura, MIEEE, MACM, CEO </span><span style="font-family:"Comic Sans MS"">Sakrīō!</span><span style="font-family:"Arial Narrow","sans-serif""> </span><span style="font-family:"MS Gothic"">▣</span><span style="font-family:"Arial Narrow","sans-serif""> <b><i>Address</i></b>:
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif"">--</span><o:p></o:p></p>
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