Difference between revisions of "Assembler:Commands:CMOVNO"

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The terms "less" and "greater" are used for comparisons of signed integers and the terms "above" and "below" are used for unsigned integers.
 
The terms "less" and "greater" are used for comparisons of signed integers and the terms "above" and "below" are used for unsigned integers.
 
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cmovno is CMOVcc instruction, The cmovno (conditional move if not overflow) check the state of '''OF''', if '''OF=0''' then condition satisfied and the cmovno will be executed. Otherwise it will be skipped, and the execution will continues with the instruction following it. cmovno is used for signed integers.
 
  
  

Latest revision as of 04:26, 8 January 2018

command cmovno destination, source

cmovno is CMOVcc instruction, The cmovno conditional move if not overflow check the state of OF.

If OF=0 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]

cmovno dx,ax
cmovno cx,[bx]
cmovno edx,[edx+110]
cmovno eax,edx
cmovno esi,[00123abc]
cmovno edi,[UserDefinedSymbol]


See also[edit]

External links[edit]