[PATCH] More updates to FXSR/SSE support in 2.4.0-test1

[Jim Blandy]

> If there are major problems, it might be wise to choose a different
> name for the PTRACE_{GET,SET}XFPREGS requests to avoid confusion.
> That way, nobody will end up with a non-functional GDB (of course the
> blame lies entirely with the GDB team for this mess).

Well, the blame lies specifically with me, I assume.  I did the
original SSE debugging support.

How should I have done this to avoid the mess?