[valgrind] [Bug 455279] vex amd64->IR: unhandled instruction bytes: 0x62 0xD2 0xFD 0x28 0x7C 0xC8 0x62 0xF2 0xFD 0x28

2024-02-24 Thread Gabriel Ravier
https://bugs.kde.org/show_bug.cgi?id=455279

Gabriel Ravier  changed:

   What|Removed |Added

 CC||gabrav...@gmail.com

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[valgrind] [Bug 455279] vex amd64->IR: unhandled instruction bytes: 0x62 0xD2 0xFD 0x28 0x7C 0xC8 0x62 0xF2 0xFD 0x28

2022-06-14 Thread Tom Hughes
https://bugs.kde.org/show_bug.cgi?id=455279

Tom Hughes  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 Status|REPORTED|RESOLVED

--- Comment #3 from Tom Hughes  ---


*** This bug has been marked as a duplicate of bug 383010 ***

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[valgrind] [Bug 455279] vex amd64->IR: unhandled instruction bytes: 0x62 0xD2 0xFD 0x28 0x7C 0xC8 0x62 0xF2 0xFD 0x28

2022-06-14 Thread Tom Hughes
https://bugs.kde.org/show_bug.cgi?id=455279

--- Comment #2 from Tom Hughes  ---
Ah it's an EVEX prefix now but the opcode map in the Intel manual helpfully
doesn't mention that...

There is no AVX512 support in valgrind currently so you can't run code that is
compiled to use AVX512 instructions.

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[valgrind] [Bug 455279] vex amd64->IR: unhandled instruction bytes: 0x62 0xD2 0xFD 0x28 0x7C 0xC8 0x62 0xF2 0xFD 0x28

2022-06-14 Thread Tom Hughes
https://bugs.kde.org/show_bug.cgi?id=455279

Tom Hughes  changed:

   What|Removed |Added

 CC||t...@compton.nu

--- Comment #1 from Tom Hughes  ---
Well 0x62 is a BOUND instruction, or it would be in 32 bit mode, but it's not
valid in 64 bit mode.

Did you get any warnings from valgrind before that about referencing undefined
values?

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