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
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