JVM指令助记符

1. 变量到操作数栈：

   iload,iload_<n>,lload,lload_<n>,fload,fload_<n>,dload,dload_<n>,aload,aload_<n>

2. 操作数栈到变量：

   istore,istore_<n>,lstore,lstore_<n>,fstore,fstore_<n>,dstore,dstor_<n>,astore,astore_<n>

3. 常数到操作数栈：

   bipush,sipush,ldc,ldc_w,ldc2_w,aconst_null,iconst_ml,iconst_<i>,lconst_<l>,fconst_<f>,dconst_<d>

4. 加：iadd,ladd,fadd,dadd

5. 减：isub,lsub,fsub,dsub

6. 乘：imul,lmul,fmul,dmul

7. 除：idiv,ldiv,fdiv,ddiv

8. 余数：irem,lrem,frem,drem

9. 取负：ineg,lneg,fneg,dneg

10. 移位：ishl,lshr,iushr,lshl,lshr,lushr

11. 按位或：ior,lor

12. 按位与：iand,land

13. 按位异或：ixor,lxor

14. 类型转换：i2l,i2f,i2d,l2f,l2d,f2d(放宽数值转换)
    i2b,i2c,i2s,l2i,f2i,f2l,d2i,d2l,d2f(缩窄数值转换)

15. 创建类实便：new

16. 创建新数组：newarray,anewarray,multianwarray

17. 访问类的域和类实例域：getfield,putfield,getstatic,putstatic

18. 把数据装载到操作数栈：baload,caload,saload,iaload,laload,faload,daload,aaload

19. 从操作数栈存存储到数组：bastore,castore,sastore,iastore,lastore,fastore,dastore,aastore

20. 获取数组长度：arraylength

21. 检相类实例或数组属性：instanceof,checkcast

22. 操作数栈管理：pop,pop2,dup,dup2,dup_xl,dup2_xl,dup_x2,dup2_x2,swap

23. 有条件转移：ifeq,iflt,ifle,ifne,ifgt,ifge,ifnull,ifnonnull,if_icmpeq,if_icmpene,
    if_icmplt,if_icmpgt,if_icmple,if_icmpge,if_acmpeq,if_acmpne,
    lcmp,fcmpl fcmpg,dcmpl,dcmpg

24. 复合条件转移：tableswitch,lookupswitch

25. 无条件转移：goto,goto_w,jsr,jsr_w,ret

26. 调度对象的实便方法：invokevirtual

27. 调用由接口实现的方法：invokeinterface

28. 调用需要特殊处理的实例方法：invokespecial

29. 调用命名类中的静态方法：invokestatic

30. 方法返回：ireturn,lreturn,freturn,dreturn,areturn,return

31. 异常：athrow

32. finally关键字的实现使用：jsr,jsr_w,ret

JVM字节码指令集

十进制	十六进制	指令集	含义
0	0x00	nop
1	0x01	aconst_null
2	0x02	iconst_m1
3	0x03	iconst_0
4	0x04	iconst_1
5	0x05	iconst_2
6	0x06	iconst_3
7	0x07	iconst_4
8	0x08	iconst_5
9	0x09	lconst_0
10	0x0a	lconst_1
11	0x0b	fconst_0
12	0x0c	fconst_1
13	0x0d	fconst_2
14	0x0e	dconst_0
15	0x0f	dconst_1
16	0x10	bipush
17	0x11	sipush
18	0x12	ldc
19	0x13	ldc_w
20	0x14	ldc2_w
21	0x15	iload
22	0x16	lload
23	0x17	fload
24	0x18	dload
25	0x19	aload
26	0x1a	iload_0
27	0x1b	iload_1
28	0x1c	iload_2
29	0x1d	iload_3
30	0x1e	lload_0
31	0x1f	lload_1
32	0x20	lload_2
33	0x21	lload_3
34	0x22	fload_0
35	0x23	fload_1
36	0x24	fload_2
37	0x25	fload_3
38	0x26	dload_0
39	0x27	dload_1
40	0x28	dload_2
41	0x29	dload_3
42	0x2a	aload_0
43	0x2b	aload_1
44	0x2c	aload_2
45	0x2d	aload_3
46	0x2e	iaload
47	0x2f	laload
48	0x30	faload
49	0x31	daload
50	0x32	aaload
51	0x33	baload
52	0x34	caload
53	0x35	saload
54	0x36	istore
55	0x37	lstore
56	0x38	fstore
57	0x39	dstore
58	0x3a	astore
59	0x3b	istore_0
60	0x3c	istore_1
61	0x3d	istore_2
62	0x3e	istore_3
63	0x3f	lstore_0
64	0x40	lstore_1
65	0x41	lstore_2
66	0x42	lstore_3
67	0x43	fstore_0
68	0x44	fstore_1
69	0x45	fstore_2
70	0x46	fstore_3
71	0x47	dstore_0
72	0x48	dstore_1
73	0x49	dstore_2
74	0x4a	dstore_3
75	0x4b	astore_0
76	0x4c	astore_1
77	0x4d	astore_2
78	0x4e	astore_3
79	0x4f	iastore
80	0x50	lastore
81	0x51	fastore
82	0x52	dastore
83	0x53	aastore
84	0x54	bastore
85	0x55	castore
86	0x56	sastore
87	0x57	pop
88	0x58	pop2
89	0x59	dup
90	0x5a	dup_x1
91	0x5b	dup_x2
92	0x5c	dup2
93	0x5d	dup2_x1
94	0x5e	dup2_x2
95	0x5f	swap
96	0x60	iadd
97	0x61	ladd
98	0x62	fadd
99	0x63	dadd
100	0x64	isub
101	0x65	lsub
102	0x66	fsub
103	0x67	dsub
104	0x68	imul
105	0x69	lmul
106	0x6a	fmul
107	0x6b	dmul
108	0x6c	idiv
109	0x6d	ldiv
110	0x6e	fdiv
111	0x6f	ddiv
112	0x70	irem
113	0x71	lrem
114	0x72	frem
115	0x73	drem
116	0x74	ineg
117	0x75	lneg
118	0x76	fneg
119	0x77	dneg
120	0x78	ishl
121	0x79	lshl
122	0x7a	ishr
123	0x7b	lshr
124	0x7c	iushr
125	0x7d	lushr
126	0x7e	iand
127	0x7f	land
128	0x80	ior
129	0x81	lor
130	0x82	ixor
131	0x83	lxor
132	0x84	iinc
133	0x85	i2l
134	0x86	i2f
135	0x87	i2d
136	0x88	l2i
137	0x89	l2f
138	0x8a	l2d
139	0x8b	f2i
140	0x8c	f2l
141	0x8d	f2d
142	0x8e	d2i
143	0x8f	d2l
144	0x90	d2f
145	0x91	i2b
146	0x92	i2c
147	0x93	i2s
148	0x94	lcmp
149	0x95	fcmpl
150	0x96	fcmpg
151	0x97	dcmpl
152	0x98	dcmpg
153	0x99	ifeq
154	0x9a	ifne
155	0x9b	iflt
156	0x9c	ifge
157	0x9d	ifgt
158	0x9e	ifle
159	0x9f	if_icmpeq
160	0xa0	if_icmpne
161	0xa1	if_icmplt
162	0xa2	if_icmpge
163	0xa3	if_icmpgt
164	0xa4	if_icmple
165	0xa5	if_acmpeq
166	0xa6	if_acmpne
167	0xa7	goto
168	0xa8	jsr
169	0xa9	ret
170	0xaa	tableswitch
171	0xab	lookupswitch
172	0xac	ireturn
173	0xad	lreturn
174	0xae	freturn
175	0xaf	dreturn
176	0xb0	areturn
177	0xb1	return
178	0xb2	getstatic
179	0xb3	putstatic
180	0xb4	getfield
181	0xb5	putfield
182	0xb6	invokevirtual
183	0xb7	invokespecial
184	0xb8	invokestatic
185	0xb9	invokeinte***ce
187	0xbb	new
188	0xbc	newarray
189	0xbd	anewarray
190	0xbe	arraylength
191	0xbf	athrow
192	0xc0	checkcast
193	0xc1	instanceof
194	0xc2	monitorenter
195	0xc3	monitorexit
196	0xc4	wide
197	0xc5	multianewarray
198	0xc6	ifnull
199	0xc7	ifnonnull
200	0xc8	goto_w
201	0xc9	jsr_w

JVM快速操作码

203	0xcb	ldc_quick
204	0xcc	ldc_w_quick
205	0xcd	ldc2_w_quick
206	0xce	getfield_quick
207	0xcf	putfield_quick
208	0xd0	getfield2_quick
209	0xd1	putfield2_quick
210	0xd2	getstatic_quick
211	0xd3	putstatic_quick
212	0xd4	getstatic2_quick
213	0xd5	putstatic2_quick
214	0xd6	invokevirtual_quick
215	0xd7	invokenonvirtual_quick
216	0xd8	invokesuper_quick
217	0xd9	invokestatic_quick
218	0xda	invokeinte***ce_quick
219	0xdb	invokevirtualobject_quick
221	0xdd	new_quick
222	0xde	anewarray_quick
223	0xdf	multianewarray_quick
224	0xe0	checkcast_quick
225	0xe1	instanceof_quick
226	0xe2	invokevirtual_quick_w
227	0xe3	getfield_quick_w
228	0xe4	putfield_quick_w

(完)