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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - movd mm0, mm1 gets an invalid operand error"
href="https://bugs.llvm.org/show_bug.cgi?id=48572">48572</a>
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<th>Summary</th>
<td>movd mm0, mm1 gets an invalid operand error
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<th>Product</th>
<td>libraries
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Backend: X86
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>chris.sears@gmail.com
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<th>CC</th>
<td>craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, pengfei.wang@intel.com, spatel+llvm@rotateright.com
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<pre>In x86_64, movd mm0, mm1 gets an invalid operand error. gcc and icc both accept
this. The bug happens when there are two mmx register operands for movd. It
doesn't happen for movq or with only a single mmx register operand.
<a href="https://godbolt.org/z/7GEdrz">https://godbolt.org/z/7GEdrz</a></pre>
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