SSE definitions for Athlons seem inconsistent

[Neil Booth]

Luca Barbieri wrote:-

> I'm not sure about this, but SSE definitions for Athlon targets seem
> inconsistent: in i386.c PTA_SEE is defined for 4, xp, mp but in i386.h
> __SSE__ is only defined for tbird, xp, mp and __tune_athlon_sse__ for 4,
> xp, mp.
> 
> IMHO __SSE__ should be undefined for tbird and defined for 4.

This is being fixed by a pending patch.

Neil.