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Vol. 2A 3-117
INSTRUCTION SET REFERENCE, A-M
CMOVcc—Conditional Move
Opcode Instruction 64-Bit
Mode
Compat/
Leg Mode
Description
0F 4D /r CMOVGE r32, r/m32 Valid Valid Move if greater or equal
(SF=OF).
REX.W + 0F 4D /r CMOVGE r64, r/m64 Valid N.E. Move if greater or equal
(SF=OF).
0F 4C /r CMOVL r16, r/m16 Valid Valid Move if less (SF
≠ OF).
0F 4C /r CMOVL r32, r/m32 Valid Valid Move if less (SF
≠ OF).
REX.W + 0F 4C /r CMOVL r64, r/m64 Valid N.E. Move if less (SF
≠ OF).
0F 4E /r CMOVLE r16, r/m16 Valid Valid Move if less or equal
(ZF=1 or SF
≠ OF).
0F 4E /r CMOVLE r32, r/m32 Valid Valid Move if less or equal
(ZF=1 or SF
≠ OF).
REX.W + 0F 4E /r CMOVLE r64, r/m64 Valid N.E. Move if less or equal
(ZF=1 or SF
≠ OF).
0F 46 /r CMOVNA r16, r/m16 Valid Valid Move if not above (CF=1
or ZF=1).
0F 46 /r CMOVNA r32, r/m32 Valid Valid Move if not above (CF=1
or ZF=1).
REX.W + 0F 46 /r CMOVNA r64, r/m64 Valid N.E. Move if not above (CF=1
or ZF=1).
0F 42 /r CMOVNAE r16, r/m16 Valid Valid Move if not above or
equal (CF=1).
0F 42 /r CMOVNAE r32, r/m32 Valid Valid Move if not above or
equal (CF=1).
REX.W + 0F 42 /r CMOVNAE r64, r/m64 Valid N.E. Move if not above or
equal (CF=1).
0F 43 /r CMOVNB r16, r/m16 Valid Valid Move if not below
(CF=0).
0F 43 /r CMOVNB r32, r/m32 Valid Valid Move if not below
(CF=0).
REX.W + 0F 43 /r CMOVNB r64, r/m64 Valid N.E. Move if not below
(CF=0).
0F 47 /r CMOVNBE r16, r/m16 Valid Valid Move if not below or
equal (CF=0 and ZF=0).
0F 47 /r CMOVNBE r32, r/m32 Valid Valid Move if not below or
equal (CF=0 and ZF=0).
REX.W + 0F 47 /r CMOVNBE r64, r/m64 Valid N.E. Move if not below or
equal (CF=0 and ZF=0).