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# define AV_WN64A(p, v) AV_WNA(64, p, v)
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#define AV_COPYU(n, d, s) AV_WN##n(d, AV_RN##n(s));
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# define AV_COPY16U(d, s) AV_COPYU(16, d, s)
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# define AV_COPY32U(d, s) AV_COPYU(32, d, s)
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# define AV_COPY64U(d, s) AV_COPYU(64, d, s)
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/* Parameters for AV_COPY*, AV_SWAP*, AV_ZERO* must be
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* naturally aligned. They may be implemented using MMX,
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* so emms_c() must be called before using any float code