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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.doc32.html">Prev</a> | <a href="Instructions2.doc34.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="dload_n"></a><h2>dload_<n></h2><a name="dload_n.Operation"></a><b>Operation</b><br><a name="67627"></a>Load <code>double</code> from local variable<p><Table Border="3"><tr><td><a name="67626"></a> <i>dload_<n></i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="dload_n.Forms"></a><b>Forms</b><br><a name="67628"></a><i>dload_0</i> = 38 (0x26) <i>dload_1</i> = 39 (0x27) <i>dload_2</i> = 40 (0x28) <i>dload_3</i> = 41 (0x29)<p><a name="dload_n.Stack"></a><b>Stack</b><br><a name="67629"></a>... <img src="chars/arrwdbrt.gif"> ..., <i>value.word1</i>, <i>value.word2</i><p><a name="dload_n.Description"></a><b>Description</b><br><a name="67630"></a>Both <i><n></i> and <i><n> </i>+ 1 must be valid indices into the local variables of the current frame <a href="Overview.doc.html#17257">(§3.6)</a>. The local variables at <i><n></i> and <i><n> </i>+ 1 together must contain a <code>double</code>. The <i>value </i>of the local variables at <i><n></i> and <i><n> </i>+ 1 is pushed onto the operand stack. <p><a name="dload_n.Notes"></a><b>Notes</b><br><a name="67634"></a>Each of the <i>dload_<n></i> instructions is the same as <i>dload</i> with an <i>index</i> of <i><n></i>, except that the operand <i><n></i> is implicit.<p><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc32.html">Prev</a> | <a href="Instructions2.doc34.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 © 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>⌨️ 快捷键说明
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