Make -mno-mmx imply -mno-3dnow. This is what gcc does, and it makes sense.
Also, fold the sse4 and sse4.1 cases together.

Patch by Alexander Best!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129665 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed