What is the difference of idivl and divl?

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忘掉有多难 2021-01-21 23:56

I have these expressions:

cltd
idivl   (%ecx)

when dividing by an int, and:

movl    $0, %edx
divl    (%ecx)


      
      
        
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                   小蘑菇
                                             
                
                
                (楼主)
            
              
              
                2021-01-22 00:36
              

            
            
                        
idiv performs signed division, div performs unsigned division.
    
             
                                                        
            
            
              
                
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