Welcome and thanks for posting. I have white-listed you, so you can directly post in any of the dev forums.
I am moving this post into General Discussions, where you should receive useful replies.
Yes, we have released our gem5 GPU compute model that executes HSAIL kernels. You can download gem5, which includes our GPU additions, from http://repo.gem5.org/gem5. There is also a tutorial available on line that describes our additions and how to use them: http://gem5.org/gpu_models
Please let me know if you have any questions,