dumppe.exe has a fdivp,fdivrp decoding bug

[dsouza123]

There is a bug in dumppe in decoding fdivp and fdivrp it has them swapped.
In QEditor -> Tools -> Dis-assemble EXE file calls DASM.bat which calls dumppe

Code Select Expand


    .data
    n  dq 12345678901234567
    d  dq 12345

    .code
start:
    finit
    fild  d
    fild  n
    fdivrp st(1),st      ; div d,n  result in st(1), pop st    ; DEF1  dumppe=fdivp, Ollydbg=fdivrp

    fild  n
    fild  d
    fdivp st(1),st      ; div n,d  result in st(1), pop st     ; DEF9  dumppe=fdivrp, Ollydbg=fdivp


[hutch--]

You could try Clive's site for a later one he had posted as its probably a simple value flip flop while it was being built.

[dsouza123]

Thanks Hutch,

That solved it, in the current version 2.20, the decodings are correct.
Also now it displays values from the data section at the end of the listing.