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byte_match_count2 (buf, n, xm, m1, m2, m3, m4)
unsigned *buf;
unsigned n;
unsigned xm;
unsigned m1, m2, m3, m4;
{
unsigned w, cnt = 0;
unsigned *bp;
n /= 4;
bp = buf;
while (bp < buf + n)
{
w = *bp++;
w ^= xm;
cnt += ((m1 & w) == 0);
cnt += ((m2 & w) == 0);
cnt += ((m3 & w) == 0);
cnt += ((m4 & w) == 0);
w = *bp++;
w ^= xm;
cnt += ((m1 & w) == 0);
cnt += ((m2 & w) == 0);
cnt += ((m3 & w) == 0);
cnt += ((m4 & w) == 0);
w = *bp++;
w ^= xm;
cnt += ((m1 & w) == 0);
cnt += ((m2 & w) == 0);
cnt += ((m3 & w) == 0);
cnt += ((m4 & w) == 0);
w = *bp++;
w ^= xm;
cnt += ((m1 & w) == 0);
cnt += ((m2 & w) == 0);
cnt += ((m3 & w) == 0);
cnt += ((m4 & w) == 0);
}
return cnt;
}
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