📄 instructions2.doc54.html

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

💻 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.doc53.html">Prev</a> | <a href="Instructions2.doc55.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="faload"></a><h2>faload</h2><a name="faload.Operation"></a><b>Operation</b><br><a name="67957"></a>Load <code>float</code> from array<p><Table Border="3"><tr><td><a name="67956"></a> <i>faload</i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="faload.Forms"></a><b>Forms</b><br><a name="67958"></a><i>faload</i> = 48 (0x30)<p><a name="faload.Stack"></a><b>Stack</b><br><a name="67959"></a>..., <i>arrayref</i>, <i>index</i> <img src="chars/arrwdbrt.gif"> ..., <i>value</i><p><a name="faload.Description"></a><b>Description</b><br><a name="67960"></a>The <i>arrayref</i> must be of type <code>reference</code> and must refer to an array whose components are of type <code>float</code>. The <i>index</i> must be of type <code>int</code>. Both <i>arrayref</i> and <i>index</i> are popped from the operand stack. The <code>float</code> <i>value</i> in the component of the array at <i>index</i> is retrieved and pushed onto the top of the operand stack.<p><a name="faload.Runtime"></a><b>Runtime Exceptions</b><br><a name="67962"></a>If <i>arrayref</i><em> </em>is <code>null</code>, <i>faload</i> throws a <code>NullPointerException</code>. <p><a name="67963"></a>Otherwise, if <i>index</i> is not within the bounds of the array referenced by <i>arrayref</i>, the <i>faload</i> instruction throws an <code>ArrayIndexOutOfBoundsException</code>.<p><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc53.html">Prev</a> | <a href="Instructions2.doc55.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>

⌨️ 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 + -