JVM指令整理

缺乏、安全感 2023-03-14 05:54 61阅读 0赞

本文主要内容参考自:**<深入理解Java虚拟机:JVM高级特性与最佳实践>的附录B 虚拟机字节码指令表**

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>字节码</th> 
   <th>助记符</th> 
   <th>含义</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>1</td> 
   <td>0x00</td> 
   <td>nop</td> 
   <td>什么的都不做</td> 
  </tr> 
  <tr> 
   <td>2</td> 
   <td>0x01</td> 
   <td>aconst</td> 
   <td>将null推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>3</td> 
   <td>0x02</td> 
   <td>iconst_m1</td> 
   <td>将int型-1推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>4</td> 
   <td>0x03</td> 
   <td>iconst_0</td> 
   <td>将int型0推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>5</td> 
   <td>0x04</td> 
   <td>iconst_1</td> 
   <td>将int型1推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>6</td> 
   <td>0x05</td> 
   <td>iconst_2</td> 
   <td>将int型2推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>7</td> 
   <td>0x06</td> 
   <td>iconst_3</td> 
   <td>将int型3推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>8</td> 
   <td>0x07</td> 
   <td>iconst_4</td> 
   <td>将int型4推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>9</td> 
   <td>0x08</td> 
   <td>iconst_5</td> 
   <td>将int型5推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>10</td> 
   <td>0x09</td> 
   <td>lconst_0</td> 
   <td>将long型0推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>11</td> 
   <td>0x0a</td> 
   <td>lconst_1</td> 
   <td>将long型1推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>12</td> 
   <td>0x0b</td> 
   <td>fconst_0</td> 
   <td>将float型0推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>13</td> 
   <td>0x0c</td> 
   <td>fconst_1</td> 
   <td>将float型1推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>14</td> 
   <td>0x0d</td> 
   <td>fconst_2</td> 
   <td>将float型2推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>15</td> 
   <td>0x0e</td> 
   <td>dconst_0</td> 
   <td>将double型0推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>16</td> 
   <td>0x0f</td> 
   <td>dconst_1</td> 
   <td>将double型1推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>17</td> 
   <td>0x10</td> 
   <td>bipush</td> 
   <td>将单字节的常量值(-128~127)推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>18</td> 
   <td>0x11</td> 
   <td>sipush</td> 
   <td>将一个短整型常量值(-32768~32767)推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>19</td> 
   <td>0x12</td> 
   <td>ldc</td> 
   <td>将int, float或String型常量值从常量池中推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>20</td> 
   <td>0x13</td> 
   <td>ldc_w</td> 
   <td>将int, float或String型常量值从常量池中推送至栈顶（宽索引）</td> 
  </tr> 
  <tr> 
   <td>21</td> 
   <td>0x14</td> 
   <td>ldc2_w</td> 
   <td>将long或double型常量值从常量池中推送至栈顶（宽索引）</td> 
  </tr> 
  <tr> 
   <td>22</td> 
   <td>0x15</td> 
   <td>iload</td> 
   <td>将指定的int型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>23</td> 
   <td>0x16</td> 
   <td>lload</td> 
   <td>将指定的long型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>24</td> 
   <td>0x17</td> 
   <td>fload</td> 
   <td>将指定的float型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>25</td> 
   <td>0x18</td> 
   <td>dload</td> 
   <td>将指定的double型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>26</td> 
   <td>0x19</td> 
   <td>aload</td> 
   <td>将指定的引用类型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>27</td> 
   <td>0x1a</td> 
   <td>iload_0</td> 
   <td>将第一个int型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>28</td> 
   <td>0x1b</td> 
   <td>iload_1</td> 
   <td>将第二个int型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>29</td> 
   <td>0x1c</td> 
   <td>iload_2</td> 
   <td>将第三个int型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>30</td> 
   <td>0x1d</td> 
   <td>iload_3</td> 
   <td>将第四个int型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>31</td> 
   <td>0x1e</td> 
   <td>lload_0</td> 
   <td>将第一个long型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>32</td> 
   <td>0x1f</td> 
   <td>lload_1</td> 
   <td>将第二个long型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>33</td> 
   <td>0x20</td> 
   <td>lload_2</td> 
   <td>将第三个long型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>34</td> 
   <td>0x21</td> 
   <td>lload_3</td> 
   <td>将第四个long型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>35</td> 
   <td>0x22</td> 
   <td>fload_0</td> 
   <td>将第一个float型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>36</td> 
   <td>0x23</td> 
   <td>fload_1</td> 
   <td>将第二个float型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>37</td> 
   <td>0x24</td> 
   <td>fload_2</td> 
   <td>将第三个float型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>38</td> 
   <td>0x25</td> 
   <td>fload_3</td> 
   <td>将第四个float型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>39</td> 
   <td>0x26</td> 
   <td>dload_0</td> 
   <td>将第一个double型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>40</td> 
   <td>0x27</td> 
   <td>dload_1</td> 
   <td>将第二个double型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>41</td> 
   <td>0x28</td> 
   <td>dload_2</td> 
   <td>将第三个double型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>42</td> 
   <td>0x29</td> 
   <td>dload_3</td> 
   <td>将第四个double型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>43</td> 
   <td>0x2a</td> 
   <td>aload_0</td> 
   <td>将第一个引用类型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>44</td> 
   <td>0x2b</td> 
   <td>aload_1</td> 
   <td>将第二个引用类型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>45</td> 
   <td>0x2c</td> 
   <td>aload_2</td> 
   <td>将第三个引用类型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>46</td> 
   <td>0x2d</td> 
   <td>aload_3</td> 
   <td>将第四个引用类型本地变量推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>47</td> 
   <td>0x2e</td> 
   <td>iaload</td> 
   <td>将int型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>48</td> 
   <td>0x2f</td> 
   <td>laload</td> 
   <td>将long型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>49</td> 
   <td>0x30</td> 
   <td>faload</td> 
   <td>将float型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>50</td> 
   <td>0x31</td> 
   <td>daload</td> 
   <td>将double型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>51</td> 
   <td>0x32</td> 
   <td>aaload</td> 
   <td>将引用型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>52</td> 
   <td>0x33</td> 
   <td>baload</td> 
   <td>将boolean或byte型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>53</td> 
   <td>0x34</td> 
   <td>caload</td> 
   <td>将char型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>54</td> 
   <td>0x35</td> 
   <td>saload</td> 
   <td>将short型数组指定索引的值推送至栈顶</td> 
  </tr> 
  <tr> 
   <td>55</td> 
   <td>0x36</td> 
   <td>istore</td> 
   <td>将栈顶int型数值存入指定本地变量</td> 
  </tr> 
  <tr> 
   <td>56</td> 
   <td>0x37</td> 
   <td>lstore</td> 
   <td>将栈顶long型数值存入指定本地变量</td> 
  </tr> 
  <tr> 
   <td>57</td> 
   <td>0x38</td> 
   <td>fstore</td> 
   <td>将栈顶float型数值存入指定本地变量77</td> 
  </tr> 
  <tr> 
   <td>58</td> 
   <td>0x39</td> 
   <td>dstore</td> 
   <td>将栈顶double型数值存入指定本地变量</td> 
  </tr> 
  <tr> 
   <td>59</td> 
   <td>0x3a</td> 
   <td>astore</td> 
   <td>将栈顶引用型数值存入指定本地变量</td> 
  </tr> 
  <tr> 
   <td>60</td> 
   <td>0x3b</td> 
   <td>istore_0</td> 
   <td>将栈顶int型数值存入第一个本地变量</td> 
  </tr> 
  <tr> 
   <td>61</td> 
   <td>0x3c</td> 
   <td>istore_1</td> 
   <td>将栈顶int型数值存入第二个本地变量</td> 
  </tr> 
  <tr> 
   <td>62</td> 
   <td>0x3d</td> 
   <td>istore_2</td> 
   <td>将栈顶int型数值存入第三个本地变量</td> 
  </tr> 
  <tr> 
   <td>63</td> 
   <td>0x3e</td> 
   <td>istore_3</td> 
   <td>将栈顶int型数值存入第四个本地变量</td> 
  </tr> 
  <tr> 
   <td>64</td> 
   <td>0x3f</td> 
   <td>lstore_0</td> 
   <td>将栈顶long型数值存入第一个本地变量</td> 
  </tr> 
  <tr> 
   <td>65</td> 
   <td>0x40</td> 
   <td>lstore_1</td> 
   <td>将栈顶long型数值存入第二个本地变量</td> 
  </tr> 
  <tr> 
   <td>66</td> 
   <td>0x41</td> 
   <td>lstore_2</td> 
   <td>将栈顶long型数值存入第三个本地变量</td> 
  </tr> 
  <tr> 
   <td>67</td> 
   <td>0x42</td> 
   <td>lstore_3</td> 
   <td>将栈顶long型数值存入第四个本地变量</td> 
  </tr> 
  <tr> 
   <td>68</td> 
   <td>0x43</td> 
   <td>fstore_0</td> 
   <td>将栈顶float型数值存入第一个本地变量</td> 
  </tr> 
  <tr> 
   <td>69</td> 
   <td>0x44</td> 
   <td>fstore_1</td> 
   <td>将栈顶float型数值存入第二个本地变量</td> 
  </tr> 
  <tr> 
   <td>70</td> 
   <td>0x45</td> 
   <td>fstore_2</td> 
   <td>将栈顶float型数值存入第三个本地变量</td> 
  </tr> 
  <tr> 
   <td>71</td> 
   <td>0x46</td> 
   <td>fstore_3</td> 
   <td>将栈顶float型数值存入第四个本地变量</td> 
  </tr> 
  <tr> 
   <td>72</td> 
   <td>0x47</td> 
   <td>dstore_0</td> 
   <td>将栈顶double型数值存入第一个本地变量</td> 
  </tr> 
  <tr> 
   <td>73</td> 
   <td>0x48</td> 
   <td>dstore_1</td> 
   <td>将栈顶double型数值存入第二个本地变量</td> 
  </tr> 
  <tr> 
   <td>74</td> 
   <td>0x49</td> 
   <td>dstore_2</td> 
   <td>将栈顶double型数值存入第三个本地变量</td> 
  </tr> 
  <tr> 
   <td>75</td> 
   <td>0x4a</td> 
   <td>dstore_3</td> 
   <td>将栈顶double型数值存入第四个本地变量</td> 
  </tr> 
  <tr> 
   <td>76</td> 
   <td>0x4b</td> 
   <td>astore_0</td> 
   <td>将栈顶引用型数值存入第一个本地变量</td> 
  </tr> 
  <tr> 
   <td>77</td> 
   <td>0x4c</td> 
   <td>astore_1</td> 
   <td>将栈顶引用型数值存入第二个本地变量</td> 
  </tr> 
  <tr> 
   <td>78</td> 
   <td>0x4d</td> 
   <td>astore_2</td> 
   <td>将栈顶引用型数值存入第三个本地变量</td> 
  </tr> 
  <tr> 
   <td>79</td> 
   <td>0x4e</td> 
   <td>astore_3</td> 
   <td>将栈顶引用型数值存入第四个本地变量</td> 
  </tr> 
  <tr> 
   <td>80</td> 
   <td>0x4f</td> 
   <td>iastore</td> 
   <td>将栈顶int型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>81</td> 
   <td>0x50</td> 
   <td>lastore</td> 
   <td>将栈顶long型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>82</td> 
   <td>0x51</td> 
   <td>fastore</td> 
   <td>将栈顶float型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>83</td> 
   <td>0x52</td> 
   <td>dastore</td> 
   <td>将栈顶double型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>84</td> 
   <td>0x53</td> 
   <td>aastore</td> 
   <td>将栈顶引用型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>85</td> 
   <td>0x54</td> 
   <td>bastore</td> 
   <td>将栈顶boolean或byte型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>86</td> 
   <td>0x55</td> 
   <td>castore</td> 
   <td>将栈顶char型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>87</td> 
   <td>0x56</td> 
   <td>sastore</td> 
   <td>将栈顶short型数值存入指定数组的指定索引位置</td> 
  </tr> 
  <tr> 
   <td>88</td> 
   <td>0x57</td> 
   <td>pop</td> 
   <td>将栈顶数值弹出 (数值不能是long或double类型的)</td> 
  </tr> 
  <tr> 
   <td>89</td> 
   <td>0x58</td> 
   <td>pop2</td> 
   <td>将栈顶的一个（long或double类型的)或两个数值弹出（其它）</td> 
  </tr> 
  <tr> 
   <td>90</td> 
   <td>0x59</td> 
   <td>dup</td> 
   <td>复制栈顶数值并将复制值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>91</td> 
   <td>0x5a</td> 
   <td>dup_x1</td> 
   <td>复制栈顶数值并将两个复制值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>92</td> 
   <td>0x5b</td> 
   <td>dup_x2</td> 
   <td>复制栈顶数值并将三个（或两个）复制值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>93</td> 
   <td>0x5c</td> 
   <td>dup2</td> 
   <td>复制栈顶一个（long或double类型的)或两个（其它）数值并将复制值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>94</td> 
   <td>0x5d</td> 
   <td>dup2_x1</td> 
   <td>复制栈顶的一个或两个值，将其插入栈顶那两个或三个值的下面</td> 
  </tr> 
  <tr> 
   <td>95</td> 
   <td>0x5e</td> 
   <td>dup2_x2</td> 
   <td>复制栈顶的一个或两个值，将其插入栈顶那两个、三个或四个值的下面</td> 
  </tr> 
  <tr> 
   <td>96</td> 
   <td>0x5f</td> 
   <td>swap</td> 
   <td>将栈最顶端的两个数值互换(数值不能是long或double类型的)</td> 
  </tr> 
  <tr> 
   <td>97</td> 
   <td>0x60</td> 
   <td>iadd</td> 
   <td>将栈顶两int型数值相加并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>98</td> 
   <td>0x61</td> 
   <td>ladd</td> 
   <td>将栈顶两long型数值相加并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>99</td> 
   <td>0x62</td> 
   <td>fadd</td> 
   <td>将栈顶两float型数值相加并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>100</td> 
   <td>0x63</td> 
   <td>dadd</td> 
   <td>将栈顶两double型数值相加并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>101</td> 
   <td>0x64</td> 
   <td>isub</td> 
   <td>将栈顶两int型数值相减并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>102</td> 
   <td>0x65</td> 
   <td>lsub</td> 
   <td>将栈顶两long型数值相减并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>103</td> 
   <td>10x66</td> 
   <td>1fsub</td> 
   <td>1将栈顶两float型数值相减并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>104</td> 
   <td>0x67</td> 
   <td>dsub</td> 
   <td>将栈顶两double型数值相减并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>105</td> 
   <td>0x68</td> 
   <td>imul</td> 
   <td>将栈顶两int型数值相乘并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>106</td> 
   <td>0x69</td> 
   <td>lmul</td> 
   <td>将栈顶两long型数值相乘并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>107</td> 
   <td>0x6a</td> 
   <td>fmul</td> 
   <td>将栈顶两float型数值相乘并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>108</td> 
   <td>0x6b</td> 
   <td>dmul</td> 
   <td>将栈顶两double型数值相乘并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>109</td> 
   <td>0x6c</td> 
   <td>idiv</td> 
   <td>将栈顶两int型数值相除并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>110</td> 
   <td>0x6d</td> 
   <td>ldiv</td> 
   <td>将栈顶两long型数值相除并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>111</td> 
   <td>0x6e</td> 
   <td>fdiv</td> 
   <td>将栈顶两float型数值相除并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>112</td> 
   <td>0x6f</td> 
   <td>ddiv</td> 
   <td>将栈顶两double型数值相除并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>113</td> 
   <td>0x70</td> 
   <td>irem</td> 
   <td>将栈顶两int型数值作取模运算并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>114</td> 
   <td>0x71</td> 
   <td>lrem</td> 
   <td>将栈顶两long型数值作取模运算并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>115</td> 
   <td>0x72</td> 
   <td>frem</td> 
   <td>将栈顶两float型数值作取模运算并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>116</td> 
   <td>0x73</td> 
   <td>drem</td> 
   <td>将栈顶两double型数值作取模运算并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>117</td> 
   <td>0x74</td> 
   <td>ineg</td> 
   <td>将栈顶int型数值取负并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>118</td> 
   <td>0x75</td> 
   <td>lneg</td> 
   <td>将栈顶long型数值取负并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>119</td> 
   <td>0x76</td> 
   <td>fneg</td> 
   <td>将栈顶float型数值取负并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>120</td> 
   <td>0x77</td> 
   <td>dneg</td> 
   <td>将栈顶double型数值取负并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>121</td> 
   <td>0x78</td> 
   <td>ishl</td> 
   <td>将int型数值左移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>122</td> 
   <td>0x79</td> 
   <td>lshl</td> 
   <td>将long型数值左移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>123</td> 
   <td>0x7a</td> 
   <td>ishr</td> 
   <td>将int型数值右（符号）移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>124</td> 
   <td>0x7b</td> 
   <td>lshr</td> 
   <td>将long型数值右（符号）移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>125</td> 
   <td>0x7c</td> 
   <td>iushr</td> 
   <td>将int型数值右（无符号）移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>126</td> 
   <td>0x7d</td> 
   <td>lushr</td> 
   <td>将long型数值右（无符号）移位指定位数并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>127</td> 
   <td>0x7e</td> 
   <td>iand</td> 
   <td>将栈顶两int型数值作“按位与”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>128</td> 
   <td>0x7f</td> 
   <td>land</td> 
   <td>将栈顶两long型数值作“按位与”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>129</td> 
   <td>0x80</td> 
   <td>ior</td> 
   <td>将栈顶两int型数值作“按位或”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>130</td> 
   <td>0x81</td> 
   <td>lor</td> 
   <td>将栈顶两long型数值作“按位或”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>131</td> 
   <td>0x82</td> 
   <td>ixor</td> 
   <td>将栈顶两int型数值作“按位异或”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>132</td> 
   <td>0x83</td> 
   <td>lxor</td> 
   <td>将栈顶两long型数值作“按位异或”并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>133</td> 
   <td>0x84</td> 
   <td>iinc</td> 
   <td>将指定int型变量增加指定值（i++, i–, i+=2）</td> 
  </tr> 
  <tr> 
   <td>134</td> 
   <td>0x85</td> 
   <td>i2l</td> 
   <td>将栈顶int型数值强制转换成long型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>135</td> 
   <td>0x86</td> 
   <td>i2f</td> 
   <td>将栈顶int型数值强制转换成float型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>136</td> 
   <td>0x87</td> 
   <td>i2d</td> 
   <td>将栈顶int型数值强制转换成double型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>137</td> 
   <td>0x88</td> 
   <td>l2i</td> 
   <td>将栈顶long型数值强制转换成int型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>138</td> 
   <td>0x89</td> 
   <td>l2f</td> 
   <td>将栈顶long型数值强制转换成float型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>139</td> 
   <td>0x8a</td> 
   <td>l2d</td> 
   <td>将栈顶long型数值强制转换成double型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>140</td> 
   <td>0x8b</td> 
   <td>f2i</td> 
   <td>将栈顶float型数值强制转换成int型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>141</td> 
   <td>0x8c</td> 
   <td>f2l</td> 
   <td>将栈顶float型数值强制转换成long型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>142</td> 
   <td>0x8d</td> 
   <td>f2d</td> 
   <td>将栈顶float型数值强制转换成double型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>143</td> 
   <td>0x8e</td> 
   <td>d2i</td> 
   <td>将栈顶double型数值强制转换成int型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>144</td> 
   <td>0x8f</td> 
   <td>d2l</td> 
   <td>将栈顶double型数值强制转换成long型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>145</td> 
   <td>0x90</td> 
   <td>d2f</td> 
   <td>将栈顶double型数值强制转换成float型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>146</td> 
   <td>0x91</td> 
   <td>i2b</td> 
   <td>将栈顶int型数值强制转换成byte型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>147</td> 
   <td>0x92</td> 
   <td>i2c</td> 
   <td>将栈顶int型数值强制转换成char型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>148</td> 
   <td>0x93</td> 
   <td>i2s</td> 
   <td>将栈顶int型数值强制转换成short型数值并将结果压入栈顶</td> 
  </tr> 
  <tr> 
   <td>149</td> 
   <td>0x94</td> 
   <td>lcmp</td> 
   <td>比较栈顶两long型数值大小，并将结果（1，0，-1）压入栈顶</td> 
  </tr> 
  <tr> 
   <td>150</td> 
   <td>0x95</td> 
   <td>fcmpl</td> 
   <td>比较栈顶两float型数值大小，并将结果（1，0，-1）压入栈顶；当其中一个数值为NaN</td> 
  </tr> 
  <tr> 
   <td>151</td> 
   <td>0x96</td> 
   <td>fcmpg</td> 
   <td>比较栈顶两float型数值大小，并将结果（1，0，-1）压入栈顶；当其中一个数值为NaN</td> 
  </tr> 
  <tr> 
   <td>152</td> 
   <td>0x97</td> 
   <td>dcmpl</td> 
   <td>比较栈顶两double型数值大小，并将结果（1，0，-1）压入栈顶；当其中一个数值为NaN时，将-1压入栈顶</td> 
  </tr> 
  <tr> 
   <td>153</td> 
   <td>0x98</td> 
   <td>dcmpg</td> 
   <td>比较栈顶两double型数值大小，并将结果（1，0，-1）压入栈顶；当其中一个数值为NaN时，将1压入栈顶</td> 
  </tr> 
  <tr> 
   <td>154</td> 
   <td>0x99</td> 
   <td>ifeq</td> 
   <td>当栈顶int型数值等于0时跳转 (也就是if(false)时跳转)</td> 
  </tr> 
  <tr> 
   <td>155</td> 
   <td>0x9a</td> 
   <td>ifne</td> 
   <td>当栈顶int型数值不等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>156</td> 
   <td>0x9b</td> 
   <td>iflt</td> 
   <td>当栈顶int型数值小于0时跳转</td> 
  </tr> 
  <tr> 
   <td>157</td> 
   <td>0x9c</td> 
   <td>ifge</td> 
   <td>当栈顶int型数值大于等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>158</td> 
   <td>0x9d</td> 
   <td>ifgt</td> 
   <td>当栈顶int型数值大于0时跳转</td> 
  </tr> 
  <tr> 
   <td>159</td> 
   <td>0x9e</td> 
   <td>ifle</td> 
   <td>当栈顶int型数值小于等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>160</td> 
   <td>0x9f</td> 
   <td>if_icmpeq</td> 
   <td>比较栈顶两int型数值大小，当结果等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>161</td> 
   <td>0xa0</td> 
   <td>if_icmpne</td> 
   <td>比较栈顶两int型数值大小，当结果不等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>162</td> 
   <td>0xa1</td> 
   <td>if_icmplt</td> 
   <td>比较栈顶两int型数值大小，当结果小于0时跳转</td> 
  </tr> 
  <tr> 
   <td>163</td> 
   <td>0xa2</td> 
   <td>if_icmpge</td> 
   <td>比较栈顶两int型数值大小，当结果大于等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>164</td> 
   <td>0xa3</td> 
   <td>if_icmpgt</td> 
   <td>比较栈顶两int型数值大小，当结果大于0时跳转</td> 
  </tr> 
  <tr> 
   <td>165</td> 
   <td>0xa4</td> 
   <td>if_icmple</td> 
   <td>比较栈顶两int型数值大小，当结果小于等于0时跳转</td> 
  </tr> 
  <tr> 
   <td>166</td> 
   <td>0xa5</td> 
   <td>if_acmpeq</td> 
   <td>比较栈顶两引用型数值，当结果相等时跳转</td> 
  </tr> 
  <tr> 
   <td>167</td> 
   <td>0xa6</td> 
   <td>if_acmpne</td> 
   <td>比较栈顶两引用型数值，当结果不相等时跳转</td> 
  </tr> 
  <tr> 
   <td>168</td> 
   <td>0xa7</td> 
   <td>goto</td> 
   <td>无条件跳转</td> 
  </tr> 
  <tr> 
   <td>169</td> 
   <td>0xa8</td> 
   <td>jsr</td> 
   <td>跳转至指定16位offset位置，并将jsr下一条指令地址压入栈顶</td> 
  </tr> 
  <tr> 
   <td>170</td> 
   <td>0xa9</td> 
   <td>ret</td> 
   <td>返回至本地变量指定的index的指令位置（一般与jsr, jsr_w联合使用）</td> 
  </tr> 
  <tr> 
   <td>171</td> 
   <td>0xaa</td> 
   <td>tableswitch</td> 
   <td>用于switch条件跳转，case值连续（可变长度指令）</td> 
  </tr> 
  <tr> 
   <td>172</td> 
   <td>0xab</td> 
   <td>lookupswitch</td> 
   <td>用于switch条件跳转，case值不连续（可变长度指令）</td> 
  </tr> 
  <tr> 
   <td>173</td> 
   <td>0xac</td> 
   <td>ireturn</td> 
   <td>从当前方法返回int</td> 
  </tr> 
  <tr> 
   <td>174</td> 
   <td>0xad</td> 
   <td>lreturn</td> 
   <td>从当前方法返回long</td> 
  </tr> 
  <tr> 
   <td>175</td> 
   <td>0xae</td> 
   <td>freturn</td> 
   <td>从当前方法返回float</td> 
  </tr> 
  <tr> 
   <td>176</td> 
   <td>0xaf</td> 
   <td>dreturn</td> 
   <td>从当前方法返回double</td> 
  </tr> 
  <tr> 
   <td>177</td> 
   <td>0xb0</td> 
   <td>areturn</td> 
   <td>从当前方法返回对象引用</td> 
  </tr> 
  <tr> 
   <td>178</td> 
   <td>0xb1</td> 
   <td>return</td> 
   <td>从当前方法返回void</td> 
  </tr> 
  <tr> 
   <td>179</td> 
   <td>0xb2</td> 
   <td>getstatic</td> 
   <td>获取指定类的静态域，并将其值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>180</td> 
   <td>0xb3</td> 
   <td>putstatic</td> 
   <td>为指定的类的静态域赋值</td> 
  </tr> 
  <tr> 
   <td>181</td> 
   <td>0xb4</td> 
   <td>getfield</td> 
   <td>获取指定类的实例域，并将其值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>182</td> 
   <td>0xb5</td> 
   <td>putfield</td> 
   <td>为指定的类的实例域赋值</td> 
  </tr> 
  <tr> 
   <td>183</td> 
   <td>0xb6</td> 
   <td>invokevirtual</td> 
   <td>调用实例方法</td> 
  </tr> 
  <tr> 
   <td>184</td> 
   <td>0xb7</td> 
   <td>invokespecial</td> 
   <td>调用超类构造方法，实例初始化方法，私有方法</td> 
  </tr> 
  <tr> 
   <td>185</td> 
   <td>0xb8</td> 
   <td>invokestatic</td> 
   <td>调用静态方法</td> 
  </tr> 
  <tr> 
   <td>186</td> 
   <td>0xb9</td> 
   <td>invokeinterface</td> 
   <td>调用接口方法</td> 
  </tr> 
  <tr> 
   <td>187</td> 
   <td>0xba</td> 
   <td>invokedynamic</td> 
   <td>调用动态链接方法</td> 
  </tr> 
  <tr> 
   <td>188</td> 
   <td>0xbb</td> 
   <td>new</td> 
   <td>创建一个对象，并将其引用值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>189</td> 
   <td>0xbc</td> 
   <td>newarray</td> 
   <td>创建一个指定原始类型（如int, float, char…）的数组，并将其引用值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>190</td> 
   <td>0xbd</td> 
   <td>anewarray</td> 
   <td>创建一个引用型（如类，接口，数组）的数组，并将其引用值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>191</td> 
   <td>0xbe</td> 
   <td>arraylength</td> 
   <td>获得数组的长度值并压入栈顶</td> 
  </tr> 
  <tr> 
   <td>192</td> 
   <td>0xbf</td> 
   <td>athrow</td> 
   <td>将栈顶的异常抛出</td> 
  </tr> 
  <tr> 
   <td>193</td> 
   <td>0xc0</td> 
   <td>checkcast</td> 
   <td>检验类型转换，检验未通过将抛出ClassCastException</td> 
  </tr> 
  <tr> 
   <td>194</td> 
   <td>0xc1</td> 
   <td>instanceof</td> 
   <td>检验对象是否是指定的类的实例，如果是将1压入栈顶，否则将0压入栈顶</td> 
  </tr> 
  <tr> 
   <td>195</td> 
   <td>0xc2</td> 
   <td>monitorenter</td> 
   <td>获得对象的锁，用于同步方法或同步块</td> 
  </tr> 
  <tr> 
   <td>196</td> 
   <td>0xc3</td> 
   <td>monitorexit</td> 
   <td>释放对象的锁，用于同步方法或同步块</td> 
  </tr> 
  <tr> 
   <td>197</td> 
   <td>0xc4</td> 
   <td>wide</td> 
   <td>扩大本地变量索引的宽度</td> 
  </tr> 
  <tr> 
   <td>198</td> 
   <td>0xc5</td> 
   <td>multianewarray</td> 
   <td>创建指定类型和指定维度的多维数组（执行该指令时，操作栈中必须包含各维度的长度值），并将其引用值压入栈顶</td> 
  </tr> 
  <tr> 
   <td>199</td> 
   <td>0xc6</td> 
   <td>ifnull</td> 
   <td>为null时跳转</td> 
  </tr> 
  <tr> 
   <td>200</td> 
   <td>0xc7</td> 
   <td>ifnonnull</td> 
   <td>不为null时跳转</td> 
  </tr> 
  <tr> 
   <td>201</td> 
   <td>0xc8</td> 
   <td>goto_w</td> 
   <td>无条件跳转</td> 
  </tr> 
  <tr> 
   <td>202</td> 
   <td>0xc9</td> 
   <td>jsr_w</td> 
   <td>跳转至指定32位offset位置，并将jsr_w下一条指令地址压入栈顶</td> 
  </tr> 
  <tr> 
   <td></td> 
   <td>最后三个为保留指令</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>203</td> 
   <td>0xca</td> 
   <td>breakpoint</td> 
   <td>调试时的断点标记</td> 
  </tr> 
  <tr> 
   <td>204</td> 
   <td>0xfe</td> 
   <td>impdep1</td> 
   <td>为特定软件而预留的语言后门</td> 
  </tr> 
  <tr> 
   <td>205</td> 
   <td>0xff</td> 
   <td>impdep2</td> 
   <td>为特定硬件而预留的语言后门</td> 
  </tr> 
 </tbody> 
</table>