Appendix E 80x86 Instructions (by Opcode)

2017-11-03 09:05:04

Opcode	Mnemonic	Operand(s)	Flags affected	Number of bytes	Timing 386	Timing 486	Timing Pentium
00	add	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
01	add	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
02	add	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
02	add	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
03	add	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
03	add	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
04	add	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
05	add	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
06	push	ES	none	1	2	3	1
07	pop	ES	none	1	7	3	3
08	or	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
09	or	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
0A	or	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
0A	or	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
0B	or	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
0B	or	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
0C	or	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
0D	or	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
0E	push	CS	none	1	2	3	1
0F 04	shld	reg16,reg16,imm8	SF,ZF,CF,PF	4	3	2	4
		reg32,reg32,imm8	OF,AF ?
0F 04	shld	mem16,reg16,imm8	SF,ZF,CF,PF	4+	7	4	4
		mem32,reg32,imm8	OF,AF ?
0F 05	shld	reg16,reg16,CL	SF,ZF,CF,PF	3	3	3	4
		reg32,reg32,CL	OF,AF ?
0F 05	shld	mem16,reg16,CL	SF,ZF,CF,PF	3+	7	4	5
		mem32,reg32,CL	OF,AF ?
0F 80	jo	rel32	none	7+,3	3,1	1	6
0F 81	jno	rel32	none	7+,3	3,1	1	6
0F 82	jb	rel32	none	7+,3	3,1	1	6
	jnae
0F 82	jc	rel32	none	7+,3	3,1	1	6
0F 83	jae	rel32	none	7+,3	3,1	1	6
	jnb
0F 83	jnc	rel32	none	7+,3	3,1	1	6
0F 84	je	rel32	none	7+,3	3,1	1	6
	jz
0F 85	jne	rel32	none	7+,3	3,1	1	6
	jnz
0F 86	jbe	rel32	none	7+,3	3,1	1	6
	jna
0F 87	ja	rel32	none	7+,3	3,1	1	6
	jnbe
0F 88	js	rel32	none	7+,3	3,1	1	6
0F 89	jns	rel32	none	7+,3	3,1	1	6
0F 8A	jp	rel32	none	7+,3	3,1	1	6
	jpe
0F 8B	jnp	rel32	none	7+,3	3,1	1	6
	jpo
0F 8C	jl	rel32	none	7+,3	3,1	1	6
	jnge
0F 8D	jge	rel32	none	7+,3	3,1	1	6
	jnl
0F 8E	jle	rel32	none	7+,3	3,1	1	6
	jng
0F 8F	jg	rel32	none	7+,3	3,1	1	6
	jnle
0F A0	push	FS	none	2	2	3	1
0F A1	pop	FS	none	2	7	3	3
0F A8	push	GS	none	2	2	3	1
0F A9	pop	GS	none	2	7	3	3
0F AC	shrd	reg16,reg16,imm8	SF,ZF,CF,PF	4	3	2	4
		reg32,reg32,imm8	OF,AF ?
0F AC	shrd	mem16,reg16,imm8	SF,ZF,CF,PF	4+	7	4	4
		mem32,reg32,imm8	OF,AF ?
0F AD	shrd	reg16,reg16,CL	SF,ZF,CF,PF	3	3	3	4
		reg32,reg32,CL	OF,AF ?
0F AD	shrd	mem16,reg16,CL	SF,ZF,CF,PF	3+	7	4	5
		mem32,reg32,CL	OF,AF ?
0F AF	imul	reg16,reg16	OF,CF	3	9-22	13-26	11
		reg32,reg32	SF,ZF, PF,AF ?		9-38	13-42	10
0F AF	imul	reg16,mem16	OF,CF	3+	12-25	13-26	11
		reg32,mem32	SF,ZF, PF,AF ?		12-41	13-42	10
0F B6	movzx	reg16,reg8	none	3	3	3	3
		reg32,reg8
0F B6	movzx	reg16,mem8	none	3+	6	3	3
		reg32,mem8
0F B7	movzx	reg32,reg16	none	3	3	3	3
0F B7	movzx	reg32,mem16	none	3+	6	3	3
0F BE	movsx	reg16,reg8	none	3	3	3	3
		reg32,reg8
0F BE	movsx	reg16,mem8	none	3+	6	3	3
		reg32,mem8
0F BF	movsx	reg32,reg16	none	3	3	3	3
0F BF	movsx	reg32,mem16	none	3+	6	3	3
10	adc	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
11	adc	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
12	adc	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
12	adc	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
13	adc	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
13	adc	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
14	adc	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
15	adc	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
16	push	SS	none	1	2	3	1
17	pop	SS	none	1	7	3	3
18	sbb	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
19	sbb	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
1A	sbb	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
1A	sbb	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
1B	sbb	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
1B	sbb	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
1C	sbb	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
1D	sbb	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
1E	push	DS	none	1	2	3	1
1F	pop	DS	none	1	7	3	3
20	and	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
21	and	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
22	and	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
22	and	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
23	and	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
23	and	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
24	and	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
25	and	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
27	daa	none	SF,ZF,PF,AF	1	4	2	3
			OF ?
28	sub	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
29	sub	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
2A	sub	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
2A	sub	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
2B	sub	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
2B	sub	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
2C	sub	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
2D	sub	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
2F	das	none	SF,ZF,PF,AF	1	4	2	3
			OF ?
30	xor	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	7	3	3
31	xor	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	7	3	3
		mem32,reg32
32	xor	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
32	xor	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
33	xor	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
33	xor	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
34	xor	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
35	xor	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
37	aaa	none	AF,CF	1	4	3	3
			SF,ZF,OF,PF ?
38	cmp	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
38	cmp	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	5	2	2
39	cmp	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	5	2	2
		mem32,reg32
3A	cmp	reg8,mem8	SF,ZF,OF,CF,PF,AF	2+	6	2	2
3B	cmp	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
3B	cmp	reg16,mem16	SF,ZF,OF,CF,PF,AF	2+	6	2	2
		reg32,mem32
3C	cmp	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
3D	cmp	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
3F	aas	none	AF,CF	1	4	3	3
			SF,ZF,OF,PF ?
40	inc	AX	SF,ZF,OF,PF,AF	1	2	1	1
		EAX
41	inc	CX	SF,ZF,OF,PF,AF	1	2	1	1
		ECX
42	inc	DX	SF,ZF,OF,PF,AF	1	2	1	1
		EDX
43	inc	BX	SF,ZF,OF,PF,AF	1	2	1	1
		EBX
44	inc	SP	SF,ZF,OF,PF,AF	1	2	1	1
		ESP
45	inc	BP	SF,ZF,OF,PF,AF	1	2	1	1
		EBP
47	inc	SI	SF,ZF,OF,PF,AF	1	2	1	1
		ESI
48	dec	AX	SF,ZF,OF,PF,AF	1	2	1	1
		EAX
48	inc	DI	SF,ZF,OF,PF,AF	1	2	1	1
		EDI
49	dec	CX	SF,ZF,OF,PF,AF	1	2	1	1
		ECX
4A	dec	DX	SF,ZF,OF,PF,AF	1	2	1	1
		EDX
4B	dec	BX	SF,ZF,OF,PF,AF	1	2	1	1
		EBX
4C	dec	SP	SF,ZF,OF,PF,AF	1	2	1	1
		ESP
4D	dec	BP	SF,ZF,OF,PF,AF	1	2	1	1
		EBP
4E	dec	SI	SF,ZF,OF,PF,AF	1	2	1	1
		ESI
4F	dec	DI	SF,ZF,OF,PF,AF	1	2	1	1
		EDI
50	push	AX	none	1	2	1	1
		EAX
51	push	CX	none	1	2	1	1
		ECX
52	push	DX	none	1	2	1	1
		EDX
53	push	BX	none	1	2	1	1
		EBX
54	push	SP	none	1	2	1	1
		ESP
55	push	BP	none	1	2	1	1
		EBP
56	push	SI	none	1	2	1	1
		ESI
57	push	DI	none	1	2	1	1
		EDI
58	pop	AX	none	1	4	1	1
		EAX
59	pop	CX	none	1	4	1	1
		ECX
5A	pop	DX	none	1	4	1	1
		EDX
5B	pop	BX	none	1	4	1	1
		EBX
5C	pop	SP	none	1	4	1	1
		ESP
5D	pop	BP	none	1	4	1	1
		EBP
5E	pop	SI	none	1	4	1	1
		ESI
5F	pop	DI	none	1	4	1	1
		EDI
60	pusha	none	none	1	18	11	5
	pushad
61	popa	none	none	1	24	9	5
	popad
68	push	imm16	none	3	2	1	1
		imm32		5
69	imul	reg16,reg16,imm16	OF,CF	4	9-22	13-26	10
		reg32,reg32,imm32	SF,ZF, PF,AF ?	6	9-38	13-42	10
69	imul	reg16,mem16,imm16	OF,CF	4+	12-25	13-26	10
		reg32,mem32,imm32	SF,ZF, PF,AF ?	6+	12-41	13-42	10
6A	push	imm8	none	2	2	1	1
6B	imul	reg16,imm8	OF,CF	3	9-14	13-18	10
		reg32,imm8	SF,ZF, PF,AF ?
6B	imul	reg16,reg16,imm8	OF,CF	3	9-14	13-18	10
		reg32,reg32,imm8	SF,ZF, PF,AF ?
6B	imul	reg16,mem16,imm8	OF,CF	3+	9-17	13-18	10
		reg32,mem32,imm8	SF,ZF, PF,AF ?
70	jo	rel8	none	7+,3	3,1	1	2
71	jno	rel8	none	7+,3	3,1	1	2
72	jb	rel8	none	7+,3	3,1	1	2
	jnae
72	jc	rel8	none	7+,3	3,1	1	2
73	jae	rel8	none	7+,3	3,1	1	2
	jnb
73	jnc	rel8	none	7+,3	3,1	1	2
74	je	rel8	none	7+,3	3,1	1	2
	jz
75	jne	rel8	none	7+,3	3,1	1	2
	jnz
76	jbe	rel8	none	7+,3	3,1	1	2
	jna
77	ja	rel8	none	7+,3	3,1	1	2
	jnbe
78	js	rel8	none	7+,3	3,1	1	2
79	jns	rel8	none	7+,3	3,1	1	2
7A	jp	rel8	none	7+,3	3,1	1	2
	jpe
7B	jnp	rel8	none	7+,3	3,1	1	2
	jpo
7C	jl	rel8	none	7+,3	3,1	1	2
	jnge
7D	jge	rel8	none	7+,3	3,1	1	2
	jnl
7E	jle	rel8	none	7+,3	3,1	1	2
	jng
7F	jg	rel8	none	7+,3	3,1	1	2
	jnle
80	adc	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	adc	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	add	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	add	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	and	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	and	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	cmp	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	cmp	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	5	2	2
80	or	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	or	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	sbb	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	sbb	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	sub	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	sub	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
80	xor	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
80	xor	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
81	adc	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	adc	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	add	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	add	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	and	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	and	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	cmp	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	cmp	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	5	2	2
		mem32,imm32		6+
81	or	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	or	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	sbb	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	sbb	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	sub	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	sub	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
81	xor	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
81	xor	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	7	3	3
		mem32,imm32		6+
83	adc	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	adc	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	add	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	add	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	and	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	and	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	cmp	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	cmp	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	5	2	2
		mem32,imm8
83	or	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	or	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	sbb	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	sbb	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	sub	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	sub	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
83	xor	reg16,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
		reg32,imm8
83	xor	mem16,imm8	SF,ZF,OF,CF,PF,AF	3+	7	3	3
		mem32,imm8
84	test	reg8,reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
84	test	mem8,reg8	SF,ZF,OF,CF,PF,AF	2+	5	2	2
85	test	reg16,reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32,reg32
85	test	mem16,reg16	SF,ZF,OF,CF,PF,AF	2+	5	2	2
		mem32,reg32
86	xchg	reg8,reg8	none	2	3	3	3
86	xchg	reg8,mem8	none	2+	5	5	3
87	xchg	reg16,reg16	none	2	3	3	3
87	xchg	reg16,mem16	none	2+	5	5	3
88	mov	mem8,reg8	none	2+	2	1	1
89	mov	mem16,reg16	none	2+	2	1	1
		mem32,reg32
8A	mov	reg8,reg8	none	2	2	1	1
8A	mov	reg8,mem8	none	2+	4	1	1
8B	mov	reg16,reg16	none	2	2	1	1
		reg32,reg32
8B	mov	reg16,mem16	none	2+	4	1	1
		reg32,mem32
8C	mov	reg16, sreg	none	2	2	3	1
8C	mov	mem16,sreg	none	2+	2	3	1
8D	lea	reg32,mem32	none	2+	2	1	1
8E	mov	sreg, reg16	none	2	2	3	1
8E	mov	sreg,mem16	none	2+	2	3[*]	2[*]
8F	pop	mem16	none	2+	5	6	3
		mem32
91	xchg	AX, CX	none	1	3	3	2
		EAX, ECX
92	xchg	AX, DX	none	1	3	3	2
		EAX, EDX
93	xchg	AX, BX	none	1	3	3	2
		EAX, EBX
94	xchg	AX, SP	none	1	3	3	2
		EAX, ESP
95	xchg	AX, BP	none	1	3	3	2
		EAX, EBP
96	xchg	AX, SI	none	1	3	3	2
		EAX, ESI
97	xchg	AX, DI	none	1	3	3	2
		EAX, EDI
98	cbw	none	none	1	3	3	3
98	cwde	none	none	1	3	3	3
99	cdq	none	none	1	2	3	2
99	cwd	none	none	1	2	3	2
9A	call	far direct	none	7	17+	18	4
9C	pushf	none	none	1	4	4	3
	pushfd
9D	popf	none	none	1	5	9	4
	popfd
A0	mov	AL, direct	none	5	4	1	1
A1	mov	AX, direct	none	5	4	1	1
		EAX, direct
A2	mov	direct ,AL	none	5	2	1	1
A3	mov	direct, AX	none	5	2	1	1
		direct, EAX
A4	movsb	none	none	1	7	7	4
A5	movsw	none	none	1	7	7	4
	movsd
A6	cmpsb	none	none	1	10	8	5
A7	cmpsw	none	none	1	10	8	5
	cmpsd
A8	test	AL,imm8	SF,ZF,OF,CF,PF,AF	2	2	1	1
A9	test	AX,imm16	SF,ZF,OF,CF,PF,AF	3	2	1	1
		EAX,imm32		5
AA	stosb	none	none	1	4	5	3
AB	stosw	none	none	1	4	5	3
	stosd
AC	lodsb	none	none	1	5	5	2
AD	lodsw	none	none	1	5	5	2
	lodsd
AE	scasb	none	none	1	7	6	4
AE	scasw	none	none	1	7	6	4
	scasd
B0	mov	AL, imm8	none	2	2	1	1
B1	mov	CL, imm8	none	2	2	1	1
B2	mov	DL, imm8	none	2	2	1	1
B3	mov	BL, imm8	none	2	2	1	1
B4	mov	AH, imm8	none	2	2	1	1
B5	mov	CH, imm8	none	2	2	1	1
B6	mov	DH, imm8	none	2	2	1	1
B7	mov	BH, imm8	none	2	2	1	1
B8	mov	AX, imm16	none	3	2	1	1
		EAX, imm32		5
B9	mov	CX, imm16	none	3	2	1	1
		ECX, imm32		5
BA	mov	DX, imm16	none	3	2	1	1
		EDX, imm32		5
BB	mov	BX, imm16	none	3	2	1	1
		EBX, imm32		5
BC	mov	SP, imm16	none	3	2	1	1
		ESP, imm32		5
BD	mov	BP, imm16	none	3	2	1	1
		EPB, imm32		5
BE	mov	SI, imm16	none	3	2	1	1
		ESI, imm32		5
BF	mov	DI, imm16	none	3	2	1	1
		EDI, imm32		5
C0	rol	reg8, imm8	SF,ZF,OF,CF,PF	3	3	2	1
	ror		AF ?
C0	rol	mem8, imm8	SF,ZF,OF,CF,PF	3+	7	4	3
	ror		AF ?
C0	shl/sal	reg8, imm8	SF,ZF,OF,CF,PF	3	3	2	1
	shr		AF ?
	sar
C0	shl/sal	mem8, imm8	SF,ZF,OF,CF,PF	3+	7	4	3
	shr		AF ?
	sar
C1	rol	reg16,imm8	SF,ZF,OF,CF,PF	3	3	2	1
	ror	reg32,imm8	AF ?
C1	rol	mem16,imm8	SF,ZF,OF,CF,PF	3+	7	4	3
	ror	mem32,imm8	AF ?
C1	shl/sal	reg16,imm8	SF,ZF,OF,CF,PF	3	3	2	1
	shr	reg32,imm8	AF ?
	sar
C1	shl/sal	mem16,imm8	SF,ZF,OF,CF,PF	3+	7	4	3
	shr	mem32,imm8	AF ?
	sar
C2	ret (near)	imm16	none	3	10+	5	3
C3	ret (near)	none	none	1	10+	5	2
C6	mov	mem8, imm8	none	3+	2	1	1
C7	mov	mem16,imm16	none	4+	2	1	1
		mem32,imm32	6+
CA	ret (far)	imm16	none	3	18+	14	4
CB	ret (far)	none	none	1	18+	13	4
D0	rol	reg8	SF,ZF,OF,CF,PF	2	3	3	1
	ror		AF ?
D0	rol	mem8	SF,ZF,OF,CF,PF	2+	7	4	3
	ror		AF ?
D0	shl/sal	reg8	SF,ZF,OF,CF,PF	2	3	3	1
	shr		AF ?
	sar
D0	shl/sal	mem8	SF,ZF,OF,CF,PF	2+	7	4	3
	shr		AF ?
	sar
D1	rol	reg16	SF,ZF,OF,CF,PF	2	3	3	1
	ror	reg32	AF ?
D1	rol	reg16	SF,ZF,OF,CF,PF	2+	7	4	3
	ror	reg32	AF ?
D1	shl/sal	reg16	SF,ZF,OF,CF,PF	2	3	3	1
	shr	reg32	AF ?
	sar
D1	shl/sal	reg16	SF,ZF,OF,CF,PF	2+	7	4	3
	shr	reg32	AF ?
	sar
D2	rol	reg8, CL	SF,ZF,OF,CF,PF	2	3	2	1
	ror	AF ?
D2	rol	mem8, CL	SF,ZF,OF,CF,PF	2+	7	4	4
	ror		AF ?
D2	shl/sal	reg8, CL	SF,ZF,OF,CF,PF	2	3	2	1
	shr		AF ?
	sar
D2	shl/sal	mem8, CL	SF,ZF,OF,CF,PF	2+	7	4	4
	shr		AF ?
	sar
D3	rol	reg16,CL	SF,ZF,OF,CF,PF	2	3	2	1
	ror	reg32,CL	AF ?
D3	rol	mem16,CL	SF,ZF,OF,CF,PF	2+	7	4	4
	ror	mem32,CL	AF ?
D3	shl/sal	reg16,CL	SF,ZF,OF,CF,PF	2	3	2	1
	shr	reg32,CL	AF ?
	sar
D3	shl/sal	mem16,CL	SF,ZF,OF,CF,PF	2+	7	4	4
	shr	mem32,CL	AF ?
	sar
D4 0A	aam	none	SF,ZF,PF	2	17	15	18
			OF,AF,CF ?
D5 0A	aad	none	SF,ZF,PF	2	19	14	10
			OF,AF,CF ?
D7	xlat	none	none	1	5	4	4
E0	loopne	none	none	11+	6,9	7,8	2
	loopnz
E1	loope	none	none	11+	6,9	7,8	2
	loopz
E2	loop	none	none	11+	6,7	5,6	2
E3	jecxz	rel8	none			6,5	2
E8	call	rel32	none	5	7+	3	1
E9	jmp	rel32	none	5	7+	3	1
EB	jmp	rel8	none	2	7+	3	1
F2	repnz	none	none	1
	repne	(string instruction prefix)
F2 A6	repne	none	none	2	5+9n	7+7n	9+4n
	cmpsb
F2 A7	repne	none	none	2	5+9n	7+7n	9+4n
	cmpsw
	repne
	cmpsd
F2 AE	repne	none	none	2	5+8n	7+5n	9+4n
	scasb
F2 AF	repne	none	none	2	5+8n	7+5n	9+4n
	scasw
	repne
	scasd
F3	rep	none	none	1
	repz repe	(string instruction prefix)
F3 A4	rep	none	none	2	7+4n	12+3n	13+4n
	movsb
F3 A5	rep	none	none	2	7+4n	12+3n	13+4n
	movsw
	rep
	movsd
F3 A6	rep stosb	none	none	2	5+5n	7+4n	9n
F3 A6	repe	none	none	2	5+9n	7+7n	9+4n
	cmpsb
F3 A7	rep stosw	none	none	2	5+5n	7+4n	9n
	rep	stosd
F3 A7	repe	none	none	2	5+9n	7+7n	9+4n
	cmpsw
	repe
	cmpsd
F3 AE	repe	none	none	2	5+8n	7+5n	9+4n
	scasb
F3 AF	repe	none	none	2	5+8n	7+5n	9+4n
	scasw
	repe
	scasd
F5	cmc	none	CF	1	2	2	2
F6	div	reg8	SF,ZF,OF,PF,AF ?	2	14	16	17
F6	div	mem8	SF,ZF,OF,PF,AF ?	2+	17	16	17
F6	idiv	reg8	SF,ZF,OF,PF,AF ?	2	19	19	22
F6	idiv	mem8	SF,ZF,OF,PF,AF ?	2+	22	20	22
F6	imul	reg8	OF,CF	2	9-14	13-18	11
			SF,ZF, PF,AF ?
F6	imul	mem8	OF,CF	2+	12-17	13-18	11
			SF,ZF, PF,AF ?
F6	mul	reg8	OF,CF	2	9-14	13-18	11
			SF,ZF, PF,AF ?
F6	mul	mem8	OF,CF	2+	12-17	13-18	11
			SF,ZF, PF,AF ?
F6	neg	reg8	SF,ZF,OF,CF,PF,AF	2	2	1	1
F6	neg	mem8	SF,ZF,OF,CF,PF,AF	2+	2	1	1
F6	not	reg8	none	2	2	1	1
F6	not	mem8	none	2+	6	3	3
F6	test	reg8,imm8	SF,ZF,OF,CF,PF,AF	3	2	1	1
F6	test	mem8,imm8	SF,ZF,OF,CF,PF,AF	3+	5	2	2
F7	div	reg16	SF,ZF,OF,PF,AF ?	2	22	24	25
		reg32			38	40	41
F7	div	mem16	SF,ZF,OF,PF,AF ?	2+	25	24	25
		mem32			41	40	41
F7	idiv	reg16	SF,ZF,OF,PF,AF ?	2	27	27	30
		reg32			43	43	48
F7	idiv	mem16	SF,ZF,OF,PF,AF ?	2+	30	28	30
		mem32			46	44	48
F7	imul	reg16	OF,CF	2	9-22	13-26	11
		reg32	SF,ZF, PF,AF ?		9-38	13-42	10
F7	imul	mem16	OF,CF	2+	12-25	13-26	11
		mem32	SF,ZF, PF,AF ?		12-41	13-42	10
F7	imul	mem16	OF,CF	4	9-22	13-26	11
		mem32	SF,ZF, PF,AF ?	6	9-38	13-42	10
F7	mul	reg16	OF,CF	2	9-22	13-26	11
		reg32	SF,ZF, PF,AF ?		9-38	13-42	10
F7	mul	mem16	OF,CF	2+	12-25	13-26	11
		mem32	SF,ZF, PF,AF ?		12-41	13-42	10
F7	neg	reg16	SF,ZF,OF,CF,PF,AF	2	2	1	1
		reg32
F7	neg	mem16	SF,ZF,OF,CF,PF,AF	2+	2	1	1
		mem32
F7	not	reg16	none	2	2	1	1
		reg32
F7	not	mem16	none	2+	6	3	3
		mem32
F7	test	reg16,imm16	SF,ZF,OF,CF,PF,AF	4	2	1	1
		reg32,imm32		6
F7	test	mem16,imm16	SF,ZF,OF,CF,PF,AF	4+	5	2	2
		mem32,imm32		6+
F8	clc	none	CF	1	2	2	2
F9	stc	none	CF	1	2	2	2
FC	cld	none	DF	1	2	2	2
FD	std	none	DF	1	2	2	2
FE	dec	reg8		2	2	1	1
FE	dec	mem8	SF,ZF,OF,PF,AF	2+	6	3	3
FE	inc	reg8	SF,ZF,OF,PF,AF	2	2	1	1
FE	inc	mem8	SF,ZF,OF,PF,AF	2+	6	3	3
FF	call	reg32 (near indirect)	none	2	7+	5	2
FF	call	mem32 (near indirect)	none	2+	10+	5	2
FF	call	far indirect	none	6	22+	17	5
FF	dec	mem16	SF,ZF,OF,PF,AF	2+	6	3	3
		mem32
FF	inc	mem16	SF,ZF,OF,PF,AF	2+	6	3	3
		mem32
FF	jmp	reg32	none	2	10+	5	2
FF	jmp	mem32	none	2+	10+	5	2
FF	push	mem16	none	2+	5	4	2
		mem32
[*]timing varies

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