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A comment on Why is this C++ code faster than my hand-written assembly (2016). Parent comment

Re:Why is this C++ code faster than my hand-written assembly... by pwdisswordfish on Tuesday August 22, 2017 @05:19PM (#15076497) 

    shr rax, 1
div rbx will divide the 128-bit value in (rdx, rax) by rbx, then store the quotient in rax and the remainder in rdx.
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