https://bugs.freedesktop.org/show_bug.cgi?id=97003
--- Comment #6 from Michel Dänzer michel@daenzer.net --- (In reply to kudahkukarek from comment #5)
I rebuilt wine with -march=amdfam10 and still get the same error [...]
The instruction valgrind doesn't know could be in Mesa or any other library used by Wine.
[...] I use an Intel CPU and 32-bit wine.
It's probably an instruction from a recent Intel extension then.