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Many instructions are decoded with errors when scrolling the disassembler listing #2205

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UnlimitedChild opened this issue Aug 21, 2019 · 1 comment

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@UnlimitedChild
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commented Aug 21, 2019

Hi,

many instructions are decoded with errors when scrolling the disassembler listing, examples can be found below ..
Image 1
Image 2
Image 3
Image 4
VPERM2I128_20190821201313.zip

Here is a similar topic - #1303

@mrexodia

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commented Aug 31, 2019

The answer is still the same as #1303. You can try to take a look at the backwards disassembly code and see if you can maybe improve it for these gigantic opcodes (admittedly I never tested those). If you think the situation has improved for you and not degraded other cases I'll happily take a patch. The implementation of backwards disassembly for the GUI can be found here: https://github.com/x64dbg/x64dbg/blob/development/src/gui/Src/Disassembler/QBeaEngine.cpp#L31

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