[FFmpeg-devel] Question about loop counter

Michael Niedermayer michaelni
Tue May 15 11:00:59 CEST 2007


On Tue, May 15, 2007 at 04:31:11PM +0800, Zuxy Meng wrote:
> Hi,
> When unrolling loops or do a mmx->sse2 conversion, loop counters need
> to be divided by half. E.g. func_c(int n) can accept any n, while
> func_mmx(int n) assumes n is even, and func_sse2(int n) requires n to
> be a multiple of 4. How to determine whether it's safe?

ask here or RTFS

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you really think that XML is the answer, then you definitly missunderstood
the question -- Attila Kinali
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