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    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [AArch64] [Assembler] LDR x0, =<literal> not recognized"
   href="http://llvm.org/bugs/show_bug.cgi?id=20056">20056</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[AArch64] [Assembler] LDR x0, =<literal> not recognized
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>weimingz@codeaurora.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>AArch64 Assembler doesn't recognize pseudo asm "LDR Xd, =expr "

ARMv7 supports it

AArch64 test:
a.s:
.text 
ldr x0, =0x123

llvm-mc -arch aarch64 a.s
    .text

a.s:2:9: error: unknown token in expression
ldr x0, =0x123
        ^
a.s:2:9: error: invalid operand
ldr x0, =0x123

ARM v7 test:
b.s 
.text 
ldr r0, =0x123

llvm-mc -arch arm b.s 
    .text

    ldr    r0, .Ltmp0
    .align    2
.Ltmp0:
    .long    291


Description of the instruction:
<a href="http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0802a/CJAHAIBC.html">http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0802a/CJAHAIBC.html</a></pre>
        </div>
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