JVM Opcode

参考： The Java Virtual Machine Specification, Second Edition

	Assembly	Description
0x00	nop	Do nothing
0x01	aconst_null	Push null
0x02	iconst_m1	Push int constant
0x03	iconst_0	Push int constant
0x04	iconst_1	Push int constant
0x05	iconst_2	Push int constant
0x06	iconst_3	Push int constant
0x07	iconst_4	Push int constant
0x08	iconst_5	Push int constant
0x09	lconst_0	Push long constant
0x0a	lconst_1	Push long constant
0x0b	fconst_0	Push float
0x0c	fconst_1	Push float
0x0d	fconst_2	Push float
0x0e	dconst_0	Push double
0x0f	dconst_1	Push double
0x10	bipush	Push byte
0x11	sipush	Push short
0x12	ldc	Push item from runtime constant pool
0x13	ldc_w	Push item from runtime constant pool (wide index)
0x14	ldc2_w	Push long or double from runtime constant pool (wide index)
0x15	iload	Load int from local variable
0x16	lload	Load long from local variable
0x17	fload	Load float from local variable
0x18	dload	Load double from local variable
0x19	aload	Load reference from local variable
0x1a	iload_0	Load int from local variable
0x1b	iload_1	Load int from local variable
0x1c	iload_2	Load int from local variable
0x1d	iload_3	Load int from local variable
0x1e	lload_0	Load long from local variable
0x1f	lload_1	Load long from local variable
0x20	lload_2	Load long from local variable
0x21	lload_3	Load long from local variable
0x22	fload_0	Load float from local variable
0x23	fload_1	Load float from local variable
0x24	fload_2	Load float from local variable
0x25	fload_3	Load float from local variable
0x26	dload_0	Load double from local variable
0x27	dload_1	Load double from local variable
0x28	dload_2	Load double from local variable
0x29	dload_3	Load double from local variable
0x2a	aload_0	Load reference from local variable
0x2b	aload_1	Load reference from local variable
0x2c	aload_2	Load reference from local variable
0x2d	aload_3	Load reference from local variable
0x2e	iaload	Load int from array
0x2f	laload	Load long from array
0x30	faload	Load float from array
0x31	daload	Load double from array
0x32	aaload	Load reference from array
0x33	baload	Load byte or boolean from array
0x34	caload	Load char from array
0x35	saload	Load short from array
0x36	istore	Store int into local variable
0x37	lstore	Store long into local variable
0x38	fstore	Store float into local variable
0x39	dstore	Store double into local variable
0x3a	astore	Store reference into local variable
0x3b	istore_0	Store int into local variable
0x3c	istore_1	Store int into local variable
0x3d	istore_2	Store int into local variable
0x3e	istore_3	Store int into local variable
0x3f	lstore_0	Store long into local variable
0x40	lstore_1	Store long into local variable
0x41	lstore_2	Store long into local variable
0x42	lstore_3	Store long into local variable
0x43	fstore_0	Store float into local variable
0x44	fstore_1	Store float into local variable
0x45	fstore_2	Store float into local variable
0x46	fstore_3	Store float into local variable
0x47	dstore_0	Store double into local variable
0x48	dstore_1	Store double into local variable
0x49	dstore_2	Store double into local variable
0x4a	dstore_3	Store double into local variable
0x4b	astore_0	Store reference into local variable
0x4c	astore_1	Store reference into local variable
0x4d	astore_2	Store reference into local variable
0x4e	astore_3	Store reference into local variable
0x4f	iastore	Store into int array
0x50	lastore	Store into long array
0x51	fastore	Store into float array
0x52	dastore	Store into double array
0x53	aastore	Store into reference array
0x54	bastore	Store into byte or boolean array
0x55	castore	Store into char array
0x56	sastore	Store into short array
0x57	pop	Pop the top operand stack value
0x58	pop2	Pop the top one or two operand stack values
0x59	dup	Duplicate the top operand stack value
0x5a	dup_x1	Duplicate the top operand stack value and insert two values down
0x5b	dup_x2	Duplicate the top operand stack value and insert two or three values down
0x5c	dup2	Duplicate the top one or two operand stack values
0x5d	dup2_x1	Duplicate the top one or two operand stack values and insert two or three values down
0x5e	dup2_x2	Duplicate the top one or two operand stack values and insert two, three, or four values down
0x5f	swap	Swap the top two operand stack values
0x60	iadd	Add int
0x61	ladd	Add long
0x62	fadd	Add float
0x63	dadd	Add double
0x64	isub	Subtract int
0x65	lsub	Subtract long
0x66	fsub	Subtract float
0x67	dsub	Subtract double
0x68	imul	Multiply int
0x69	lmul	Multiply long
0x6a	fmul	Multiply float
0x6b	dmul	Multiply double
0x6c	idiv	Divide int
0x6d	ldiv	Divide long
0x6e	fdiv	Divide float
0x6f	ddiv	Divide double
0x70	irem	Remainder int
0x71	lrem	Remainder long
0x72	frem	Remainder float
0x73	drem	Remainder double
0x74	ineg	Negate int
0x75	lneg	Negate long
0x76	fneg	Negate float
0x77	dneg	Negate double
0x78	ishl	Shift left int
0x79	lshl	Shift left
0x7a	ishr	Arithmetic shift right int
0x7b	lshr	Arithmetic shift right long
0x7c	iushr	Logical shift right int
0x7d	lushr	Logical shift right long
0x7e	iand	Boolean AND int
0x7f	land	Boolean AND long
0x80	ior	Boolean OR int
0x81	lor	Boolean OR long
0x82	ixor	Boolean XOR int
0x83	lxor	Boolean XOR long
0x84	iinc	Increment local variable by constant
0x85	i2l	Convert int to long
0x86	i2f	Convert int to float
0x87	i2d	Convert int to double
0x88	l2i	Convert long to int
0x89	l2f	Convert long to float
0x8a	l2d	Convert long to double
0x8b	f2i	Convert float to int
0x8c	f2l	Convert float to long
0x8d	f2d	Convert float to double
0x8e	d2i	Convert double to int
0x8f	d2l	Convert double to long
0x90	d2f	Convert double to float
0x91	i2b	Convert int to byte
0x92	i2c	Convert int to char
0x93	i2s	Convert int to short
0x94	lcmp	Compare long
0x95	fcmpl	Compare float
0x96	fcmpg	Compare float
0x97	dcmpl	Compare double
0x98	dcmpg	Compare double
0x99	ifeq	Branch if int comparison with zero succeeds
0x9a	ifne	Branch if int comparison with zero succeeds
0x9b	iflt	Branch if int comparison with zero succeeds
0x9c	ifge	Branch if int comparison with zero succeeds
0x9d	ifgt	Branch if int comparison with zero succeeds
0x9e	ifle	Branch if int comparison with zero succeeds
0x9f	if_icmpeq	Branch if int comparison succeeds
0xa0	if_icmpne	Branch if int comparison succeeds
0xa1	if_icmplt	Branch if int comparison succeeds
0xa2	if_icmpge	Branch if int comparison succeeds
0xa3	if_icmpgt	Branch if int comparison succeeds
0xa4	if_icmple	Branch if int comparison succeeds
0xa5	if_acmpeq	Branch if reference comparison succeeds
0xa6	if_acmpne	Branch if reference comparison succeeds
0xa7	goto	Branch always
0xa8	jsr	Jump subroutine
0xa9	ret	Return from subroutine
0xaa	tableswitch	Access jump table by index and jump
0xab	lookupswitch	Access jump table by key match and jump
0xac	ireturn	Return int from method
0xad	lreturn	Return long from method
0xae	freturn	Return float from method
0xaf	dreturn	Return double from method
0xb0	areturn	Return reference from method
0xb1	return	Return void from method
0xb2	getstatic	Get static field from class
0xb3	putstatic	Set static field in class
0xb4	getfield	Fetch field from object
0xb5	putfield	Set field in object
0xb6	invokevirtual	Invoke instance method; dispatch based on class
0xb7	invokespecial	Invoke instance method; special handling for superclass, private, and instance initialization method invocations
0xb8	invokestatic	Invoke a class (static) method
0xb9	invokeinterface	Invoke interface method
0xbb	new	Create new object
0xbc	newarray	Create new array
0xbd	anewarray	Create new array of reference
0xbe	arraylength	Get length of array
0xbf	athrow	Throw exception or error
0xc0	checkcast	Check whether object is of given type
0xc1	instanceof	Determine if object is of given type
0xc2	monitorenter	Enter monitor for object
0xc3	monitorexit	Exit monitor for object
0xc4	wide	Extend local variable index by additional bytes
0xc5	multianewarray	Create new multidimensional array
0xc6	ifnull	Branch if reference is null
0xc7	ifnonnull	Branch if reference not null
0xc8	goto_w	Branch always (wide index)
0xc9	jsr_w	Jump subroutine (wide index)