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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’m trying to complete the lowering for a new microcontroller. I’m using LLVM 3.8.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">For now this lowering crashes on ‘Store’ node, which is actually not yet defined.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’ve tried to map the ISel ‘Store’ node to architecture specific instructions.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’ve define the following semantic to my architecture specific instructions:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> def MOVSUTO_SU_rr : CLPSUInst_rr<0b1000001100,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> (ins SURegisterOperand:$RegA),</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> (outs SURegisterOperand:$RegB),</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New"">
</span><span lang="FR-BE" style="font-size:10.0pt;font-family:"Courier New"">[],</span><span lang="FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="FR-BE" style="font-size:10.0pt;font-family:"Courier New""> "movsuto_su\t$RegA,$RegB","RR",</span><span lang="FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="FR-BE" style="font-size:10.0pt;font-family:"Courier New"">
</span><span style="font-size:10.0pt;font-family:"Courier New";color:#1A1A1A">[(store</span><span style="font-size:10.0pt;font-family:"Courier New""> (i16 SURegisterOperand:$RegA), i16:$RegB)], NoItinerary></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> {</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> bits<9> RegA;</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> bits<9> RegB;</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> let Inst{19-11} = RegA;</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> let Inst{8-0} = RegB;</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Courier New""> }</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">SURegisterOperand are 16 bits operands.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">During the generation of ISelection matchers tables, I got the following assertion.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This assertion start to occur when the pattern is introduced on the
<span style="font-size:10.0pt;font-family:"Courier New"">MOVSUTO_SU_rr.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">How to avoid such assertion? What is a concrete type? According to the definition of SURegisterOperand, these are 16 bits signed integer.
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><img width="536" height="49" id="_x0000_i1025" src="http://www.spacebel.be/wp-content/uploads/2011/06/image-sign-sbp.jpg" alt="http://www.spacebel.be/wp-content/uploads/2011/06/image-sign-sbp.jpg"></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:center">
<b><span lang="FR-BE" style="font-size:10.0pt">Dominique Torette</span></b><span lang="FR-BE" style="font-size:10.0pt">
<br>
System Architect<br>
Rue des Chasseurs Ardennais - Liège Science Park - B-4031 Angleur <br>
Tel: +32 (0) 4 361 81 11 - Fax: +32 (0) 4 361 81 20 <br>
</span><span style="font-size:10.0pt"><a href="http://www.spacebel.be/"><span lang="FR-BE" style="color:blue">www.spacebel.be</span></a></span><span lang="FR-BE" style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="FR-BE"><o:p> </o:p></span></p>
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