Again the issue is that some people may take it upon themselves to give it to the amd devs.
well, those will have fun trying to run .cubin code on the AMD devices

750 Ti for groestlcoin:
Hash: 0000007c79c48807965126673f9806af7032ceb617abffc5711bef3a2f83c74a
Target: 000000ff00000000000000000000000000000000000000000000000000000000
[2014-04-11 02:29:55] thread 0: 19677004 hashes, 7861 khash/s
[2014-04-11 02:29:55] Total: 7861 khash/s
[2014-04-11 02:29:55] DEBUG: hash <= target
Hash: 0000001564133dbca7e069c47e64c318f9c2b2ba9da9a60eecce6223e54e7544
Target: 000000ff00000000000000000000000000000000000000000000000000000000
[2014-04-11 02:29:55] thread 0: 2971635 hashes, 7738 khash/s
[2014-04-11 02:29:55] Total: 7738 khash/s
Christian