[valgrind] [Bug 396220] vex x86->IR: unhandled instruction bytes: 0xC4 0xE2 0x41 0xF7

2018-09-03 Thread Julian Seward
https://bugs.kde.org/show_bug.cgi?id=396220

Julian Seward  changed:

   What|Removed |Added

 Resolution|--- |UNMAINTAINED
 Status|UNCONFIRMED |RESOLVED

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[valgrind] [Bug 396220] vex x86->IR: unhandled instruction bytes: 0xC4 0xE2 0x41 0xF7

2018-07-05 Thread Tom Hughes
https://bugs.kde.org/show_bug.cgi?id=396220

Tom Hughes  changed:

   What|Removed |Added

 CC||t...@compton.nu

--- Comment #2 from Tom Hughes  ---
VEX prefixed instructions, and recent additions to the instruction set in
general, are not supported by the x86 backend and are unlikely ever to be.

They are generally supported by the amd64/x86_64 backend, so compile in 64 bit
mode if you want to use them.

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[valgrind] [Bug 396220] vex x86->IR: unhandled instruction bytes: 0xC4 0xE2 0x41 0xF7

2018-07-05 Thread John F . X . Galea
https://bugs.kde.org/show_bug.cgi?id=396220

--- Comment #1 from John F.X. Galea  ---
The instruction in question is:

81521dd:   c4 e2 41 f7 c0  shlx   %edi,%eax,%eax

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