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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.doc89.html">Prev</a> | <a href="Instructions2.doc91.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="if_icmpcond"></a><h2>if_icmp<cond></h2><a name="if_icmpcond.Operation"></a><b>Operation</b><br><a name="68548"></a>Branch if <code>int</code> comparison succeeds<p><Table Border="3"><tr><td><a name="68543"></a> <i>if_icmp<cond></i><td><a name="87568"></a> <tr><td><a name="68545"></a> <i>branchbyte1</i><td><a name="87568"></a> <tr><td><a name="68547"></a> <i>branchbyte2</i><td><a name="87568"></a> </Table><Table><tr><td></Table><p><a name="if_icmpcond.Forms"></a><b>Forms</b><br><a name="166925"></a><i>if_icmpeq</i> = 159 (0x9f) <i>if_icmpne</i> = 160 (0xa0) <i>if_icmplt</i> = 161 (0xa1) <i>if_icmpge</i> = 162 (0xa2) <i>if_icmpgt</i> = 163 (0xa3) <i>if_icmple</i> = 164 (0xa4)<p><a name="if_icmpcond.Stack"></a><b>Stack</b><br><a name="68550"></a>..., <i>value1</i>, <i>value2</i> <img src="chars/arrwdbrt.gif"> ...<p><a name="if_icmpcond.Description"></a><b>Description</b><br><a name="68551"></a>Both <i>value1</i> and <i>value2</i> must be of type <code>int</code>. They are both popped from the operand stack and compared. All comparisons are signed. The results of the comparison are as follows:<p><ul><a name="68552"></a><li><i>eq</i> succeeds if and only if <i>value1</i> = <i>value2</i><a name="68553"></a><li><i>ne</i> succeeds if and only if <i>value1</i> <img src="chars/notequal.gif"> <i>value2</i><a name="68554"></a><li><i>lt </i> succeeds if and only if <i>value1</i> < <i>value2</i><a name="68555"></a><li><i>le</i> succeeds if and only if <i>value1</i> £ <i>value2</i><a name="68556"></a><li><i>gt</i> succeeds if and only if <i>value1</i> > <i>value2</i><a name="68557"></a><li><i>ge</i> succeeds if and only if <i>value1</i> <img src="chars/gtequal.gif"> <i>value2</i></ul><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc89.html">Prev</a> | <a href="Instructions2.doc91.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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