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    <body><span class="vcard"><a class="email" href="mailto:john.brawn@arm.com" title="John Brawn <john.brawn@arm.com>"> <span class="fn">John Brawn</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - v8.1a CASP accepts register pairs with non-even low register (UNALLOCATED according to spec)"
   href="https://bugs.llvm.org/show_bug.cgi?id=30374">bug 30374</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
                
           </td>
           <td>john.brawn@arm.com
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - v8.1a CASP accepts register pairs with non-even low register (UNALLOCATED according to spec)"
   href="https://bugs.llvm.org/show_bug.cgi?id=30374#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - v8.1a CASP accepts register pairs with non-even low register (UNALLOCATED according to spec)"
   href="https://bugs.llvm.org/show_bug.cgi?id=30374">bug 30374</a>
              from <span class="vcard"><a class="email" href="mailto:john.brawn@arm.com" title="John Brawn <john.brawn@arm.com>"> <span class="fn">John Brawn</span></a>
</span></b>
        <pre>With current trunk, assembling

        .text
        casp x0, x1, x10, x11, [x4]
        casp x1, x0, x10, x11, [x4]     
        casp x0, x1, x11, x10, [x4]

I get

tmp.s:3:14: error: expected first even register of a consecutive same-size
even/odd register pair
        casp x1, x0, x10, x11, [x4]     
             ^
tmp.s:4:22: error: expected first even register of a consecutive same-size
even/odd register pair
        casp x0, x1, x11, x10, [x4]
                     ^
so it looks like we're correctly giving an error here.</pre>
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