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  15. <title>AArch64 Opcodes (Using as)</title>
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  56. <a name="AArch64-Opcodes"></a>
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  59. Next: <a href="AArch64-Mapping-Symbols.html#AArch64-Mapping-Symbols" accesskey="n" rel="next">AArch64 Mapping Symbols</a>, Previous: <a href="AArch64-Directives.html#AArch64-Directives" accesskey="p" rel="prev">AArch64 Directives</a>, Up: <a href="AArch64_002dDependent.html#AArch64_002dDependent" accesskey="u" rel="up">AArch64-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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  61. <hr>
  62. <a name="Opcodes"></a>
  63. <h4 class="subsection">9.1.6 Opcodes</h4>
  64. <a name="index-AArch64-opcodes"></a>
  65. <a name="index-opcodes-for-AArch64"></a>
  66. <p>GAS implements all the standard AArch64 opcodes. It also
  67. implements several pseudo opcodes, including several synthetic load
  68. instructions.
  69. </p>
  70. <dl compact="compact">
  71. <dd>
  72. <a name="index-LDR-reg_002c_003d_003cexpr_003e-pseudo-op_002c-AArch64"></a>
  73. </dd>
  74. <dt><code>LDR =</code></dt>
  75. <dd><div class="smallexample">
  76. <pre class="smallexample"> ldr &lt;register&gt; , =&lt;expression&gt;
  77. </pre></div>
  78. <p>The constant expression will be placed into the nearest literal pool (if it not
  79. already there) and a PC-relative LDR instruction will be generated.
  80. </p>
  81. </dd>
  82. </dl>
  83. <p>For more information on the AArch64 instruction set and assembly language
  84. notation, see &lsquo;<samp>ARMv8 Instruction Set Overview</samp>&rsquo; available at
  85. <a href="http://infocenter.arm.com">http://infocenter.arm.com</a>.
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