Assembler:Commands:CMOVL

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command cmovl destination, source

cmovl is CMOVcc instruction, The cmovl conditional move if less check the state of SF AND OF.

If SF<>OF then condition is satisfied, otherwise it will be skipped.

CMOVcc instructions are mainly used after CMP


The CMOVcc instructions check the state of one or more of the status flags in the EFLAGS register (CF, OF, PF, SF, and ZF) and perform a move operation if the flags are in a specified state (or condition). A condition code (cc) is associated with each instruction to indicate the condition being tested for. If the condition is not satisfied, a move is not performed and execution continues with the instruction following the CMOVcc instruction.

These instructions can move a 16- or 32-bit value from memory to a general-purpose register or from one general-purpose register to another. Conditional moves of 8-bit register operands are not supported.

The terms "less" and "greater" are used for comparisons of signed integers and the terms "above" and "below" are used for unsigned integers.


Command Parameters[edit]

Parameter Description
destination r16 / r32
source m16-r16 / m32-r32


Examples[edit]

cmovl dx,ax
cmovl cx,[bx]
cmovl edx,[edx+110]
cmovl eax,edx
cmovl esi,[00123abc]
cmovl edi,[UserDefinedSymbol]
//if eax<5 then ebx=eax else ebx=0
xor     ebx, ebx
cmp     eax, 5
cmovl   ebx, eax 


See also[edit]

External links[edit]