<div dir="ltr">Hi,<div><br></div><div>I have a set of new registers for x86 which I defined in X86RegisterInfo.td to be:<br><br><div>def POI0: X86Reg<"poi0", 0>;</div><div>def POI1: X86Reg<"poi1", 1>;</div><div>def POI2: X86Reg<"poi2", 2>;</div><div>def POI3: X86Reg<"poi3", 3>;</div><div>def POI4: X86Reg<"poi4", 4>;</div><div>def POI5: X86Reg<"poi5", 5>;</div><div>def POI6: X86Reg<"poi6", 6>;</div><div>def POI7: X86Reg<"poi7", 7>;<br><br><div>def PR128 : RegisterClass<"X86", [i128],</div><div>                           128, (sequence "POI%u", 0, 7)>;</div></div><div><br></div><div>However, my debug message in <span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">TargetLowering base in its method computeRegisterProperties shows that RegClassForVT[MVT::i128] is still a nullptr. What else should I add for my registers to be a proper destination location of all 128-bit integers?</span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Thanks,</span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Barbora</span></div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><font size="1" color="#999999">----------------</font></div><div><font size="1" color="#999999">Barbora Murinová</font></div><div><font size="1" color="#999999">The University of Edinburgh</font></div><div><font size="1" color="#999999">SK: +421905718390<br>UK: +447477833795</font></div></div></div>
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