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AMD Confidential
User Manual September 12
th
, 2008
Appendix A 213
Instruction
Supported
Mnemonic
Opcode
Description
SHL reg/mem16,imm8
C1 /4 ib
Shift a 16-bit register or memory
location left the number of bits
specified by an 8-bit immediate
value.
SHL reg/mem32,1
D1 /4
Shift a 32-bit register or memory
location left 1 bit.
SHL reg/mem32,CL
D3 /4
Shift a 32-bit register or memory
location left the number of bits
specified in the CL register.
SHL reg/mem32,imm8
C1 /4 ib
Shift a 32-bit register or memory
location left the number of bits
specified by an 8-bit immediate
value.
SHL reg/mem64,1
D1 /4
Shift a 64-bit register or memory
location left 1 bit.
SHL reg/mem64,CL
D3 /4
Shift a 64-bit register or memory
location left the number of bits
specified in the CL register.
SHL reg/mem64,imm8
C1 /4 ib
Shift a 64-bit register or memory
location left the number of bits
specified by an 8-bit immediate
value.
SAR reg/mem8,1
D0 /7
Shift a signed 8-bit register or
memory operand right 1 bit.
SAR reg/mem8,CL
D2 /7
Shift a signed 8-bit register or
memory operand right the number of
bits specified in the CL register.
SAR reg/mem8,imm8
C0 /7 ib
Shift a signed 8-bit register or
memory location right the number of
bits specified by an 8-bit immediate
value.
SAR reg/mem16,1
D1 /7
Shift a signed 16-bit register or
memory operand right 1 bit.
SAR reg/mem16,CL
D3 /7
Shift a signed 16-bit register or
memory operand right the number of
bits specified in the CL register.
SAR reg/mem16,imm8
C1 /7 ib
Shift a signed 16-bit register or
memory location right the number of
bits specified by an 8-bit immediate
value.
SAR reg/mem32,1
D1 /7
Shift a signed 32-bit register or
memory location right 1 bit.
SAR reg/mem32,CL
D3 /7
Shift a signed 32-bit register or
memory operand right the number of
bits specified in the CL register.
SAR reg/mem32,imm8
C1 /7 ib
Shift a signed 32-bit register or
memory operand right the number of
bits specified by an 8-bit immediate
value.
SAR reg/mem64,1
D1 /7
Shift a signed 64-bit register or
memory operand left 1 bit.
SAR reg/mem64,CL
D3 /7
Shift a signed 64-bit register or
memory operand right the number of
bits specified in the CL register.
SAR reg/mem64,imm8
C1 /7 ib
Shift a signed 64-bit register or
memory operand right the number of
bits specified by an 8-bit immediate
value.
SBB AL,imm8
1C ib
Subtract an immediate 8-bit value
from the AL register with borrow.
SBB AX,imm16
1D iw
Subtract an immediate 16-bit value
from the AX register with borrow.
SBB EAX,imm32
1D id
Subtract an immediate 32-bit value
from the EAX register with borrow.
SBB RAX,imm32
1D id
Subtract an immediate 32-bit value
from the RAX register with borrow.
SBB reg/mem8,imm8
80 /3 ib
Subtract an immediate 8-bit value
from an 8-bit register or memory
location with borrow.
SBB reg/mem16,imm16
80 /3 iw
Subtract an immediate 16-bit value
from a 16-bit register or memory
location with borrow.
SBB reg/mem32,imm32
81 /3 id
Subtract an immediate 32-bit value
from a 32-bit register or memory
location with borrow.