uxmal / reko

Reko is a binary decompiler.

Home Page:https://uxmal.github.io/reko

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Blsr Instruction

tgiphil opened this issue · comments

Reko isn't decoding the following opcodes: c4 e2 78 f3 c8

It should translate to: "blsr eax,eax"

Instead, it translates to:

00000006 c4 e2 illegal
00000008 78 f3 js 00xfffffffd
0000000a c8 5d c3 illegal

Indeed, this instruction shouldn't be restricted to 64 bit mode only. Once I'm home, an easy fix will be on its way. You will need a new nuget release, ofc.

Working on the nuget release now