📄 instructions2.doc181.html
字号:
<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.doc180.html">Prev</a> | <a href="Instructions2.doc182.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="wide"></a><h2>wide</h2><a name="wide.Operation"></a><b>Operation</b><br><a name="70155"></a>Extend local variable index by additional bytes<p><Table Border="3"><tr><td><a name="70148"></a> <i>wide</i><td><a name="87568"></a> <tr><td><a name="70150"></a> <i><opcode></i><td><a name="87568"></a> <tr><td><a name="70152"></a> <i>indexbyte1</i><td><a name="87568"></a> <tr><td><a name="70154"></a> <i>indexbyte2</i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="70156"></a>where <i><opcode></i> is one of <i>iload</i>, <i>fload</i>, <i>aload</i>, <i>lload</i>, <i>dload</i>, <i>istore</i>, <i>fstore</i>, <i>astore</i>, <i>lstore</i>, <i>dstore</i>, or <i>ret</i><p><Table Border="3"><tr><td><a name="70161"></a> <i>wide</i><td><a name="87568"></a> <tr><td><a name="70163"></a> <i>iinc</i><td><a name="87568"></a> <tr><td><a name="70165"></a> <i>indexbyte1</i><td><a name="87568"></a> <tr><td><a name="70167"></a> <i>indexbyte2</i><td><a name="87568"></a> <tr><td><a name="70169"></a> <i>constbyte1</i><td><a name="87568"></a> <tr><td><a name="70171"></a> <i>constbyte2</i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="wide.Forms"></a><b>Forms</b><br><a name="70172"></a><i>wide</i> = 196 (0xc4)<p><a name="wide.Stack"></a><b>Stack</b><br><a name="70173"></a>Same as modified instruction<p><a name="wide.Description"></a><b>Description</b><br><a name="70174"></a>The <i>wide</i> instruction modifies the behavior of another instruction. It takes one of two formats, depending on the instruction being modified. The first form of the <i>wide</i> instruction modifies one of the instructions <i>iload</i>, <i>fload</i>, <i>aload</i>, <i>lload</i>, <i>dload</i>, <i>istore</i>, <i>fstore</i>, <i>astore</i>, <i>lstore</i>, <i>dstore</i>, or <i>ret</i>. The second form applies only to the <i>iinc</i> instruction.<p><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc180.html">Prev</a> | <a href="Instructions2.doc182.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
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -