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AMD Confidential
User Manual November 21
st
, 2008
194 Appendix A
Instruction
Supported
Mnemonic
Opcode
Description
CMOVL reg64,reg/mem64
0F 4C /r
Move if less (SF <> OF).
CMOVNGE reg16,reg/mem16
0F 4C /r
Move if not greater or equal (SF <>
OF).
CMOVNGE reg32,reg/mem32
0F 4C /r
Move if not greater or equal (SF <>
OF).
CMOVNGE reg64,reg/mem64
0F 4C /r
Move if not greater or equal (SF <>
OF).
CMOVNL reg16,reg/mem16
0F 4D /r
Move if not less (SF = OF).
CMOVNL reg32,reg/mem32
0F 4D /r
Move if not less (SF = OF).
CMOVNL reg64,reg/mem64
0F 4D /r
Move if not less (SF = OF).
CMOVGE reg16,reg/mem16
0F 4D /r
Move if greater or equal (SF = OF).
CMOVGE reg32,reg/mem32
0F 4D /r
Move if greater or equal (SF = OF).
CMOVGE reg64,reg/mem64
0F 4D /r
Move if greater or equal (SF = OF).
CMOVLE reg16,reg/mem16
0F 4E /r
Move if less or equal (ZF = 1 or SF
<> OF).
CMOVLE reg32,reg/mem32
0F 4E /r
Move if less or equal (ZF = 1 or SF
<> OF).
CMOVLE reg64,reg/mem64
0F 4E /r
Move if less or equal (ZF = 1 or SF
<> OF).
CMOVNG reg16,reg/mem16
0F 4E /r
Move if less not greater (ZF = 1 or
SF <> OF).
CMOVNG reg32,reg/mem32
0F 4E /r
Move if less not greater (ZF = 1 or
SF <> OF).
CMOVNG reg64,reg/mem64
0F 4E /r
Move if less not greater (ZF = 1 or
SF <> OF).
CMOVNLE reg16,reg/mem16
0F 4F /r
Move if not less or equal (ZF = 0 or
SF = OF).
CMOVNLE reg32,reg/mem32
0F 4F /r
Move if not less or equal (ZF = 0 or
SF = OF).
CMOVNLE reg64,reg/mem64
0F 4F /r
Move if not less or equal (ZF = 0 or
SF = OF).
CMOVG reg16,reg/mem16
0F 4F /r
Move if greater (ZF = 0 or SF = OF).
CMOVG reg32,reg/mem32
0F 4F /r
Move if greater (ZF = 0 or SF = OF).
CMOVG reg64,reg/mem64
0F 4F /r
Move if greater (ZF = 0 or SF = OF).
CMP AL,imm8
3C ib
Compare an 8-bit immediate value with
the contents of the AL register.
CMP AX,imm16
3D iw
Compare a 16-bit immediate value with
the contents of the AX register.
CMP EAX,imm32
3D id
Compare a 32-bit immediate value with
the contents of the EAX register.
CMP RAX,imm32
3D id
Compare a 32-bit immediate value with
the contents of the RAX register.
CMP reg/mem8,imm8
80 /7 ib
Compare an 8-bit value with the
contents of an 8-bit register or
memory operand.
CMP reg/mem16,imm16
81 /7 iw
Compare a 16-bit value with the
contents of a 16-bit register or
memory operand.
CMP reg/mem32,imm32
81 /7 id
Compare a 32-bit value with the
contents of a 32-bit register or
memory operand.
CMP reg/mem64,imm32
81 /7 id
Compare a 32-bit signed immediate
value with the contents of a 64-bit
register or memory operand.
CMP reg/mem16,imm8
83 /7 ib
Compare an 8-bit signed immediate
value with the contents of a 16-bit
register or memory operand.
CMP reg/mem32,imm8
83 /7 id
Compare an 8-bit signed immediate
value with the contents of a 32-bit
register or memory operand.
CMP reg/mem64,imm8
83 /7 id
Compare an 8-bit signed immediate
value with the contents of a 64-bit
register or memory operand.