cpu: Add a NotAnInst flag to the BaseDynInst class.

This flag means that the instruction isn't an actual instruction, it's
just a placeholder to carry a fault down a pipeline, for instance.

Change-Id: I1cc12b068662dbd3d3b089c9941a07b6e88b57e3
Reviewed-on: https://gem5-review.googlesource.com/7123
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
1 file changed