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📁 Jvm 规范说明。The Java Virtual Machine was designed to support the Java programming language. Some concep

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<html><head><title>VM Spec  </title></head><body BGCOLOR=#eeeeff text=#000000 LINK=#0000ff VLINK=#000077 ALINK=#ff0000> <a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc147.html">Prev</a> | <a href="Instructions2.doc149.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="lreturn"></a><h2>lreturn</h2><a name="lreturn.Operation"></a><b>Operation</b><br><a name="69581"></a>Return <code>long</code> from method<p><Table Border="3"><tr><td><a name="69580"></a> <i>lreturn</i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="lreturn.Forms"></a><b>Forms</b><br><a name="69582"></a><i>lreturn</i> = 173 (0xad)<p><a name="lreturn.Stack"></a><b>Stack</b><br><a name="69583"></a>..., <i>value.word1</i>, <i>value.word2</i> <img src="chars/arrwdbrt.gif">  [empty]<p><a name="lreturn.Description"></a><b>Description</b><br><a name="69584"></a>The returning method must have return type <code>long</code>. The <i>value</i> must be of type <code>long</code>. The <i>value</i> is popped from the operand stack of the current frame <a href="Overview.doc.html#17257">(&#167;3.6)</a> and pushed onto the operand stack of the frame of the invoker. Any other values on the operand stack of the current method are discarded. If the returning method is a <code>synchronized</code> method, the monitor acquired or reentered on invocation of the method is released or exited (respectively) as if by execution of a <i>monitorexit</i> instruction. <p><a name="69588"></a>The interpreter then returns control to the invoker of the method, reinstating the frame of the invoker.<p><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc147.html">Prev</a> | <a href="Instructions2.doc149.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><p><font size=-1>Java Virtual Machine Specification (HTML generated by dkramer on February 25, 1997)<br><i><a href="Copyright.doc.html">Copyright &#169 1996 Sun Microsystems, Inc.</a>All rights reserved</i><br>Please send any comments or corrections to <a href="mailto:doug.kramer@sun.com">doug.kramer@sun.com</a></font></body></html>

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