[mythtv] [PATCH] march documentation update

[Daniel Thor Kristjansson]

On Tue, 28 Dec 2004, Mark Spieth wrote:
]since MMX is generally tested for at runtime, might all this not be too
]restrictive?
]include it and let it decide at runtime whether to use mmx/sse at al.
]cheers
]mark

No, the compiler will use MMX code itself in other parts of the program. 
It would always be safe to compile just mmx_gcc.cpp with -mmmx, but not 
the rest of the program. And the ffmpeg code can be made significantly 
faster by compiling for your specific processor, esp with sse maths.

-- Daniel