I found software that used
and also in binary file I see addresses 0x35, 0xce, 0xfc, 0xaa, 0x1ac, 0x1ad.
I think they a model specific but why there is no decription in any Intel documentation including 253668.pdf and 253669.pdf?
Is Intel going to publish more information about MSR registers?
For more complete information about compiler optimizations, see our Optimization Notice.