- (incf count ,(if (constant-lvar-p item)
- (if (zerop (lvar-value item))
- '(- sb!vm:n-word-bits (logcount (%raw-bits sequence index)))
- '(logcount (%raw-bits sequence index)))
- '(if (zerop item)
- (- sb!vm:n-word-bits (logcount (%raw-bits sequence index)))
- (logcount (%raw-bits sequence index)))))))))