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来自「Jvm 规范说明。The Java Virtual Machine was de」· HTML 代码 · 共 30 行
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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.doc92.html">Prev</a> | <a href="Instructions2.doc94.html">Next</a> | <a href="Mnemonics.doc.html">Index</a><hr><br> <a name="ifcond"></a><h2>if<cond></h2><a name="68580"></a>If the comparison succeeds, <em>the unsigned</em> <i>branchbyte1</i> and <i>branchbyte2</i> are used to construct a signed 16-bit offset, where the offset is calculated to be (<i>branchbyte1</i> << 8) | <i>branchbyte2</i>. Execution then proceeds at that offset from the address of the opcode of this <i>if<cond></i> instruction. The target address must be that of an opcode of an instruction within the method that contains this <i>if<cond></i> instruction.<p><a name="68581"></a>Otherwise, execution proceeds at the address of the instruction following this <i>if<cond></i> instruction.<p><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="Instructions2.doc92.html">Prev</a> | <a href="Instructions2.doc94.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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