[PATCH] PR 38201: -mfma/-mavx and -msse5/-msse4a don't work together

[Ye, Joey]

Andrew Pinski Wrote:
> You still have not explained why you want this patch.  I still say we
> should allow the user to "hang themselves" here and not say they are
> not compatible as who knows what the future processors will be like
> and what a simulator supports.
It is just a error message preventing users including too many -m options and resulted in code can't run anywhere. And the way to implement it is very flexible. In case future hardware implementation changes, we only need one line change in i386.c to adopt. 

Thanks - Joey