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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+<html>
+
+<head>
+<title>aget&lt;kind&gt;</title>
+<link rel=stylesheet href="opcode.css">
+</head>
+
+<body>
+
+<h1>aget&lt;kind&gt;</h1>
+
+<h2>Purpose</h2>
+
+<p>
+Perform the identified array operation at the identified index of the given
+array, storing into the value register.
+</p>
+
+<h2>Details</h2>
+
+<table class="instruc">
+<thead>
+<tr>
+ <th>Op &amp; Format</th>
+ <th>Mnemonic / Syntax</th>
+ <th>Arguments</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+ <td>44..51 23x</td>
+ <td><i>arrayop</i> vAA, vBB, vCC<br/>
+ 44: aget<br/>
+ 45: aget-wide<br/>
+ 46: aget-object<br/>
+ 47: aget-boolean<br/>
+ 48: aget-byte<br/>
+ 49: aget-char<br/>
+ 4a: aget-short<br/>
+ </td>
+ <td><code>A:</code> dest value register or pair; (8 bits)<br/>
+ <code>B:</code> array register (8 bits)<br/>
+ <code>C:</code> index register (8 bits)</td>
+</tr>
+</tbody>
+</table>
+
+<h2>Constraints</h2>
+
+<ul>
+ <li>
+ A, B and C must be valid register indices in the current stackframe.
+ </li>
+ <li>
+ For the aget-wide variant, also A+1 must be a valid register index in the
+ current stackframe.
+ </li>
+ <li>
+ Register vB must contain an array reference. The component type of the
+ array must match the variant of the instruction.
+ </li>
+ <li>
+ Register vC must contain an integer value.
+ </li>
+</ul>
+
+<h2>Behavior</h2>
+
+<ul>
+ <li>
+ For all but the -wide variant, the array element at the given index is moved
+ into register vA, that is, vA'=array[index].
+ </li>
+ <li>
+ For the -wide variant, the array element at the given index is moved into
+ registers vA and v(A+1) as follows:
+ <ul>
+ <li>
+ vA'=array[index] >> 0x20
+ </li>
+ <li>
+ v(A+1)'=array[index] & 0xffffffff;
+ </li>
+ </ul>
+ </li>
+ <li>
+ If v(A-1) is the lower half of a register pair, v(A-1)' becomes undefined.
+ </li>
+ <li>
+ For all but the -wide variant, if v(A+1) is the upper half of a register
+ pair, v(A+1)' becomes undefined.
+ </li>
+ <li>
+ For the -wide variant, if v(A+2) is the upper half of a register pair,
+ v(A+2)' becomes undefined.
+ </li>
+</ul>
+
+<h2>Exceptions</h2>
+
+<ul>
+ <li>
+ NullPointerException if vB=null.
+ </li>
+ <li>
+ ArrayIndexOutOfBoundsException if vC < 0 or vC >= array.length.
+ </li>
+</ul>
+
+</body>
+</html>