shithub: opus

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Speeding up extract_collapse_mask() slightly

--- a/celt/vq.c

+++ b/celt/vq.c

@@ -147,9 +147,11 @@

    collapse_mask = 0;

    i=0; do {

       int j;

+      unsigned tmp=0;

       j=0; do {

-         collapse_mask |= (iy[i*N0+j]!=0)<<i;

+         tmp |= iy[i*N0+j];

       } while (++j<N0);

+      collapse_mask |= (tmp!=0)<<i;

    } while (++i<B);

    return collapse_mask;

 }