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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Yes. W/F/DF to int64 conversion are also need.<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></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""> zhigang gong [mailto:zhigang.gong@gmail.com]
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<b>Sent:</b> Wednesday, August 7, 2013 4:25 PM<br>
<b>To:</b> Xing, Homer<br>
<b>Cc:</b> beignet@lists.freedesktop.org<br>
<b>Subject:</b> Re: [Beignet] [PATCH 1/2] support 64bit-integer shifting<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">Got it. I did not check your new MOV_INT64 in this patch which indeed handle int32 to int64.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">As to the conversion, we may also need to handle conversion from W/F/DF to int64. Right?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">On Wed, Aug 7, 2013 at 4:10 PM, Xing, Homer <<a href="mailto:homer.xing@intel.com" target="_blank">homer.xing@intel.com</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">“MOV_INT64” in this patch is converting short int32 to long int64, maybe its name should
be “CONVERT_INT64”. As you see, in this patch, I also add converting code. I will do the code renaming.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="14057d411c8e3117__MailEndCompose"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span></a><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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"">
zhigang gong [mailto:<a href="mailto:zhigang.gong@gmail.com" target="_blank">zhigang.gong@gmail.com</a>]
<br>
<b>Sent:</b> Wednesday, August 7, 2013 4:04 PM<br>
<b>To:</b> Xing, Homer<br>
<b>Cc:</b> <a href="mailto:beignet@lists.freedesktop.org" target="_blank">beignet@lists.freedesktop.org</a><br>
<b>Subject:</b> Re: [Beignet] [PATCH 1/2] support 64bit-integer shifting</span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Homer,<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">One quick comment for this patch, please see the following change:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">@@ -2169,6 +2247,8 @@ namespace gbe<br>
} else if (dst.isdf()) {<br>
ir::Register r = sel.reg(ir::RegisterFamily::FAMILY_QWORD);<br>
sel.MOV_DF(dst, src, sel.selReg(r));<br>
+ } else if (dst.isint64()) {<br>
+ sel.MOV_INT64(dst, src);<br>
} else<br>
sel.MOV(dst, src);<br>
return true;<br>
<br>
Here, what we want to do is to convert a different data type to int64 type.<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">But according to your previous patch, MOV_INT64 is used to move two<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">int64 type registers, right? So I think it may not be correct, and you may<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">need to add a new instruction to handle similar CVT instruction as MOV_DF<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">or you can extent MOV_DF to support int64 too. Any idea?<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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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