<html><body bgcolor="#FFFFFF"><div>I don't think they are target opcodes. These are similar to phi, copyfromreg, etc. Target opcodes are those that are target specific, I.e. not shared between targets.</div><div><br class="webkit-block-placeholder"></div><div>Evan<br><br>Sent from my iPhone</div><div><br>On Jul 26, 2007, at 8:36 PM, Christopher Lamb <<a href="mailto:christopher.lamb@gmail.com">christopher.lamb@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><br><div><div>On Jul 26, 2007, at 6:27 PM, Evan Cheng wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><br><div><div>On Jul 26, 2007, at 1:12 AM, Christopher Lamb wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>/// EmitNode - Generate machine code for an node and needed dependencies.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>///</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>void ScheduleDAG::EmitNode(SDNode *Node,<span class="Apple-converted-space"> </span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">@@ -436,6 +578,14 @@</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>// If machine instruction</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>if (Node->isTargetOpcode()) {</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><span class="Apple-converted-space"> </span>unsigned Opc = Node->getTargetOpcode();</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <span class="Apple-converted-space"> </span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>// Handle subreg insert/extract specially</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>if (Opc == TargetInstrInfo::EXTRACT_SUBREG ||<span class="Apple-converted-space"> </span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>Opc == TargetInstrInfo::INSERT_SUBREG) {</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>EmitSubregNode(Node, VRBaseMap);</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>return;</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+<span class="Apple-converted-space"> </span>}</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <span class="Apple-converted-space"> </span></font></div> </blockquote></div><br><div>Hi Chris,</div><div><br class="khtml-block-placeholder"></div><div>Is this right? EXTRACT_SUBREG and INSERT_SUBREG are not target opcodes.</div></blockquote></div><div><br class="khtml-block-placeholder"></div><div>Actually, they are both DAG nodes and target opcodes. ISel lowers the DAG nodes to target opcodes before schedule DAG sees them.</div><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Christopher Lamb</div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span> </div><br></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>llvm-commits mailing list</span><br><span><a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a></span><br><span><a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a></span><br></div></blockquote></body></html>