vmspecix.fm9.html

A Java virtual machine instruction consists of an opcode specifying the operation to be performed, f

<a name="6958766"></a>
<dt><a href="Overview.doc.html#22452">notation for families of,&#32;84</a>
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<dt><a href="Overview.doc.html#7143">summary,&#32;80</a>
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<dt><a href="Overview.doc.html#7566">type encoding limitations of,&#32;80</a>
</dl>
</dl>
<dt><b>int <strong>type
</strong></b><dl>
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<dt>adding, iadd<a href="Instructions2.doc6.html#iadd">,&#32;260</a>
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<dt>ANDing, bitwise, iand<a href="Instructions2.doc6.html#iand">,&#32;262</a>
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<dt>branch int comparison
<dl>
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<dt>if_icmp&lt;cond&gt;<a href="Instructions2.doc6.html#if_cmpcond">,&#32;267</a>
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<dt>with zero, if&lt;cond&gt;<a href="Instructions2.doc6.html#ifcond">,&#32;269</a>
</dl>
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<dt>converting
<dl>
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<dt>double to, d2i<a href="Instructions2.doc3.html#d2i">,&#32;196</a>
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<dt>float to, f2i<a href="Instructions2.doc4.html#f2i">,&#32;226</a>
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<dt>to byte, i2b<a href="Instructions2.doc6.html#i2b">,&#32;254</a>
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<dt>to char, i2c<a href="Instructions2.doc6.html#i2c">,&#32;255</a>
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<dt>to double, i2d<a href="Instructions2.doc6.html#i2d">,&#32;256</a>
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<dt>to float, i2f<a href="Instructions2.doc6.html#i2d">,&#32;256</a>, <a href="Instructions2.doc6.html#i2f">257</a>
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<dt>to long, i2l<a href="Instructions2.doc6.html#i2l">,&#32;258</a>
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<dt>to short, i2f<a href="Instructions2.doc6.html#i2s">,&#32;259</a>
</dl>
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<dt><a href="Overview.doc.html#15118">definition,&#32;62</a>
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<dt>dividing, idiv<a href="Instructions2.doc6.html#idiv">,&#32;265</a>
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<dt><a href="Overview.doc.html#16866">instruction set handling of,&#32;81</a>
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<dt>loading from
<dl>
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<dt>arrays, iaload<a href="Instructions2.doc6.html#iaload">,&#32;261</a>
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<dt>local variables, iload<a href="Instructions2.doc6.html#iload">,&#32;274</a>
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<dt>local variables, iload_&lt;n&gt;<a href="Instructions2.doc6.html#iload_n">,&#32;275</a>
</dl>
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<dt>multiplying, imul<a href="Instructions2.doc6.html#imul">,&#32;276</a>
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<dt>negating, ineg<a href="Instructions2.doc6.html#ineg">,&#32;277</a>
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<dt>ORing
<dl>
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<dt>bitwise, exclusive, ixor<a href="Instructions2.doc6.html#ixor">,&#32;303</a>
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<dt>bitwise, inclusive, ior<a href="Instructions2.doc6.html#ior">,&#32;294</a>
</dl>
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<dt>pushing constants, iconst_&lt;i&gt;<a href="Instructions2.doc6.html">,&#32;264</a>
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<dt>remainder, irem<a href="Instructions2.doc6.html#irem">,&#32;295</a>
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<dt>returning from method invocation, ireturn<a href="Instructions2.doc6.html#ireturn">,&#32;296</a>
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<dt>shift left, arithmetic, ishl<a href="Instructions2.doc6.html#ishl">,&#32;297</a>
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<dt>shift right
<dl>
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<dt>arithmetic, ishr<a href="Instructions2.doc6.html#ishr">,&#32;298</a>
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<dt>logical, iushr<a href="Instructions2.doc6.html#iushr">,&#32;302</a>
</dl>
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<dt>storing into
<dl>
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<dt>arrays, iastore<a href="Instructions2.doc6.html#iastore">,&#32;263</a>
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<dt>local variables, istore<a href="Instructions2.doc6.html#istore">,&#32;299</a>
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<dt>local variables, istore_&lt;n&gt;<a href="Instructions2.doc6.html#istore_n">,&#32;300</a>
</dl>
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<dt>subtracting, isub<a href="Instructions2.doc6.html#isub">,&#32;301</a>
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<dt><a href="Overview.doc.html#29418">value range,&#32;63</a>
</dl>
<dt><b><strong>integral
</strong></b><dl>
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<dt>types
<dl>
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<dt><a href="Overview.doc.html#3560">definition,&#32;62</a>
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<dt><a href="Overview.doc.html#25222">values,&#32;63</a>
</dl>
</dl>
<dt><b><strong>interfaces
</strong></b><dl>
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<dt><em>See also</em> ACC_INTERFACE flag; array; class(es); interfaces array, <code>ClassFile</code> structure
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<dt><a href="ConstantPool.doc.html#75047">creation,&#32;158</a>
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<dt><a href="Concepts.doc.html#16436">definition,&#32;35</a>
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<dt><a href="ConstantPool.doc.html#73347">derivation of symbolic references to  at run time,&#32;156</a>
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<dt>extends<a href="Concepts.doc.html#20604"> clause use,&#32;36</a>
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<dt><a href="Concepts.doc.html#18349">fields,&#32;36</a>
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<dt>implements<a href="Concepts.doc.html#26623"> clause use,&#32;36</a>
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<dt><a href="Concepts.doc.html#18345">members,&#32;36</a>
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<dt>methods
<dl>
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<dt><a href="ConstantPool.doc.html#73445">derivation of symbolic references to at run time,&#32;156</a>
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<dt><a href="Overview.doc.html#37282">invocation instruction summary,&#32;89</a>
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<dt>invoking, invokeinterface<a href="Instructions2.doc6.html#invokeinterface">,&#32;280</a>
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<dt>method_info<a href="ClassFile.doc.html#1514"> structure access flags,&#32;114</a>
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<dt><a href="ConstantPool.doc.html#71722">resolution,&#32;168</a>
</dl>
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<dt><a href="Concepts.doc.html#18339">modifiers,&#32;35</a>
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<dt><a href="ConstantPool.doc.html#71636">resolution,&#32;166</a>
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<dt><a href="Concepts.doc.html#25380">types,&#32;11</a>
<dl>
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<dt><a href="Concepts.doc.html#25612">implications for variables and expressions,&#32;15</a>
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<dt><a href="Overview.doc.html#15127">as reference type,&#32;66</a>
</dl>
</dl>
<dt><b>interfaces <strong>array
</strong></b><dl>
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<dt>(ClassFile<a href="ClassFile.doc.html#6757"> structure),&#32;97</a>
</dl>
<dt><b>interfaces_count <strong>item
</strong></b><dl>
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<dt>(ClassFile<a href="ClassFile.doc.html#19639"> structure),&#32;97</a>
</dl>
<dt><b>intern <strong>method
</strong></b><dl>
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<dt>String<a href="Concepts.doc.html#29971"> class,&#32;6</a>, <a href="ConstantPool.doc.html#80050">157</a>
</dl>
<dt><b>InternalError
</b><dl>
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<dt><a href="Concepts.doc.html#24832">as asynchronous exception cause,&#32;43</a>
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<dt><a href="Concepts.doc.html#24982">as Java Virtual machine error,&#32;45</a>
</dl>
<dt><b>invokeinterface <strong>instruction
</strong></b><dl>
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<dt><a href="ClassFile.doc.html#88558">constraints, static,&#32;135</a>
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<dt><a href="Instructions2.doc6.html#invokeinterface">definition,&#32;280</a>
</dl>
<dt><b>invokespecial <strong>instruction
</strong></b><dl>
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<dt><em>See also </em>ACC_SUPER modifier
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<dt><a href="ClassFile.doc.html#75639">access flag use to select alternative semantics,&#32;96</a>
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<dt>compilation examples
<dl>
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<dt><a href="Compiling.doc.html#6168">arrays,&#32;383</a>
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<dt><a href="Compiling.doc.html#9480">invoking methods,&#32;378</a>
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<dt><a href="Compiling.doc.html#9249">throwing exceptions,&#32;387</a>
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<dt><a href="Compiling.doc.html#7016">working with class instances,&#32;379</a>
</dl>
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<dt>constraints
<dl>
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<dt><a href="ClassFile.doc.html#9175">static,&#32;135</a>
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<dt><a href="ClassFile.doc.html#17896">structural,&#32;137</a>
</dl>
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<dt><a href="Instructions2.doc6.html#invokespecial">definition,&#32;284</a>
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<dt><a href="Overview.doc.html#16270">instance initialization by,&#32;78</a>
</dl>
<dt><b>invokestatic <strong>instruction
</strong></b><dl>
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<dt><a href="Compiling.doc.html#8789">compilation examples, invoking methods,&#32;377</a>
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<dt><a href="ClassFile.doc.html#9175">constraints, static,&#32;135</a>
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<dt><a href="Instructions2.doc6.html#invokestatic">definition,&#32;288</a>
</dl>
<dt><b>invokevirtual <strong>instruction
</strong></b><dl>
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<dt>compilation examples
<dl>
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<dt><a href="Compiling.doc.html#8025">catching exceptions,&#32;388</a>, <a href="Compiling.doc.html#9960">389</a>, <a href="Compiling.doc.html#9173">390</a>
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<dt>compiling finally<a href="Compiling.doc.html#9060">,&#32;392</a>, <a href="Compiling.doc.html#9119">393</a>, <a href="Compiling.doc.html#9134">394</a>
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<dt><a href="Compiling.doc.html#14788">invoking methods,&#32;376</a>
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<dt><a href="Compiling.doc.html#8938">throwing exceptions,&#32;387</a>, <a href="Compiling.doc.html#8025">388</a>
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<dt><a href="Compiling.doc.html#7650">working with class instances,&#32;380</a>
</dl>
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<dt><a href="ClassFile.doc.html#9175">constraints, static,&#32;135</a>
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<dt><a href="Instructions2.doc6.html#invokevirtual">definition,&#32;291</a>
</dl>
<dt><b><strong>invoking
</strong></b><dl>
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<dt>methods
<dl>
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<dt>class, invokestatic<a href="Instructions2.doc6.html#invokestatic">,&#32;288</a>
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<dt>instance, invokespecial<a href="Instructions2.doc6.html#invokespecial">,&#32;284</a>
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<dt>instance, invokevirtual<a href="Instructions2.doc6.html#invokevirtual">,&#32;291</a>
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<dt>interface, invokeinterface<a href="Instructions2.doc6.html#invokeinterface">,&#32;280</a>
</dl>
</dl>
<dt><b>ior <strong>instruction
</strong></b><dl>
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<dt><a href="Instructions2.doc6.html#ior4">definition,&#32;294</a>
</dl>
<dt><b>irem <strong>instruction
</strong></b><dl>
<a name="6958975"></a>
<dt><a href="Instructions2.doc6.html#irem">definition,&#32;295</a>
</dl>
<dt><b>ireturn <strong>instruction
</strong></b><dl>
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<dt>compilation examples
<dl>
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<dt><a href="Compiling.doc.html#6995">arithmetic,&#32;370</a>
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<dt><a href="Compiling.doc.html#7072">compiling switches,&#32;384</a>, <a href="Compiling.doc.html#7554">385</a>
<a name="6958984"></a>
<dt><a href="Compiling.doc.html#8769">invoking methods,&#32;376</a>, <a href="Compiling.doc.html#8790">377</a>, <a href="Compiling.doc.html#9481">378</a>
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<dt><a href="Compiling.doc.html#5596">receiving arguments,&#32;375</a>
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<dt>while<a href="Compiling.doc.html#8577"> loop,&#32;374</a>
</dl>
<a name="6958992"></a>
<dt><a href="ClassFile.doc.html#28538">constraints, structural,&#32;138</a>
<a name="6958994"></a>
<dt><a href="Instructions2.doc6.html#ireturn">definition,&#32;296</a>
</dl>
<dt><b>ishl <strong>instruction
</strong></b><dl>
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<dt><a href="Instructions2.doc6.html#ishl">definition,&#32;297</a>
</dl>
<dt><b>ishr <strong>instruction
</strong></b><dl>
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<dt><a href="Instructions2.doc6.html#ishr">definition,&#32;298</a>
</dl>
<dt><b>istore <strong>instruction
</strong></b><dl>
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<dt><em>See also </em>iload instruction
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<dt><a href="ClassFile.doc.html#42871">constraints, static,&#32;136</a>
<a name="6959007"></a>
<dt><a href="Instructions2.doc6.html#istore">definition,&#32;299</a>
</dl>
<dt><b>istore_&lt;n&gt; <strong>instructions
</strong></b><dl>
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<dt><em>See also </em>iload_&lt;n&gt; instructions
<a name="6959012"></a>
<dt>compilation examples
<dl>
<a name="6959013"></a>
<dt><a href="Compiling.doc.html#6123">accessing the runtime constant  pool,&#32;371</a>
<a name="6959015"></a>
<dt><a href="Compiling.doc.html#4856">arrays,&#32;382</a>
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<dt>constants and local variables in  a for<a href="Compiling.doc.html#4137"> loop,&#32;365</a>, <a href="Compiling.doc.html#4279">369</a>
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<dt>while<a href="Compiling.doc.html#8500"> loop,&#32;372</a>
</dl>
<a name="6959022"></a>
<dt><a href="ClassFile.doc.html#42756">constraints, static,&#32;136</a>
<a name="6959024"></a>
<dt><a href="Instructions2.doc6.html#istore_n">definition,&#32;300</a>
</dl>
<dt><b>isub <strong>instruction
</strong></b><dl>
<a name="6959027"></a>
<dt><a href="Compiling.doc.html#9752">compilation examples, arithmetic,&#32;370</a>
<a name="6959029"></a>
<dt><a href="Instructions2.doc6.html#isub">definition,&#32;301</a>
</dl>
<dt><b><strong>items
</strong></b><dl>
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<dt>class<a href="ClassFile.doc.html#41600"> file items,&#32;93</a>
</dl>
<dt><b>iushr <strong>instruction
</strong></b><dl>
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<dt><a href="Instructions2.doc6.html#iushr">definition,&#32;302</a>
</dl>
<dt><b>ixor <strong>instruction
</strong></b><dl>
<a name="6959038"></a>
<dt><a href="Compiling.doc.html#6993">compilation examples, arithmetic,&#32;370</a>
<a name="6959040"></a>
<dt><a href="Instructions2.doc6.html#ixor">definition,&#32;303</a>
</dl>
</dl>

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<p>
<font size="-1"><i>The Java</i><sup><font size=-2>TM</font></sup><i> Virtual Machine Specification </i><br>
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