AMD 4.4.5 SUB reg/mem8,imm8, SUB reg/mem16,imm16, SUB reg/mem32,imm32, SUB reg/mem64,imm32

AMD Confidential

November 21st, 2008

User Manual

Instruction

Supported

Mnemonic

Opcode

Description

Shift bits of a 64-bit destination

register

or

memory

operand to the

SHRD reg/mem16,reg16,CL

0F

AD /r

right the number of bits specified in

the CL register, while shifting in

bits from the second operand.

STC

F9

Set the carry flag (CF) to 1.

STD

FD

Set the direction flag (DF) to 1.

Store the contents of the AL register

STOS reg8

AA

to ES:rDI, and then increment or

decrement rDI.

Store the contents of the AX register

STOS reg16

AB

to ES:rDI, and then increment or

decrement rDI.

Store

the

contents

of

the

EAX

STOS reg32

AB

register

to

ES:rDI,

and

then

increment or decrement rDI.

Store

the

contents

of

the

RAX

STOS reg64

AB

register

to

ES:rDI,

and

then

increment or decrement rDI.

Store the contents of the AL register

STOSB

AA

to ES:rDI, and then increment or

decrement rDI.

Store the contents of the AX register

STOSW

AB

to ES:rDI, and then increment or

decrement rDI.

Store

the

contents

of

the

EAX

STOSD

AB

register

to

ES:rDI,

and

then

increment or decrement rDI.

Store

the

contents

of

the

RAX

STOSQ

AB

register

to

ES:rDI,

and

then

increment or decrement rDI.

Subtract

an

immediate

8-bit

value

SUB AL,imm8

2C

ib

from the AL register and store the

result in AL.

Subtract

an

immediate

16-bit

value

SUB AX,imm16

2D

iw

from the AX register and store the

result in AX.

Subtract

an

immediate

32-bit

value

SUB EAX,imm32

2D

id

from the EAX register and store the

result in EAX.

Subtract

a

sign-extended

immediate

SUB RAX,imm32

2D

id

32-bit

value

from

the

RAX

register

and store the result in RAX.

Subtract

an

immediate

8-bit

value

SUB reg/mem8,imm8

80

/5 ib

from an 8-bit destination register or

memory location.

Subtract

an

immediate

16-bit

value

SUB reg/mem16,imm16

81

/5 iw

from a 16-bit destination register or

memory location.

Subtract

an

immediate

32-bit

value

SUB reg/mem32,imm32

81

/5 id

from a 32-bit destination register or

memory location.

Subtract

a

sign-extended

immediate

SUB reg/mem64,imm32

81

/5 id

32-bit

value

from

a

64-bit

destination

register

or

memory

location.

Subtract a sign-extended immediate 8-

SUB reg/mem16,imm8

83

/5 ib

bit value from a 16-bit register or

memory location.

Subtract a sign-extended immediate 8-

SUB reg/mem32,imm8

83

/5 ib

bit value from a 32-bit register or

memory location.

Subtract a sign-extended immediate 8-

SUB reg/mem64,imm8

83

/5 ib

bit value from a 64-bit register or

memory location.

216 Appendix A