bit-array result-bit-array))))
(let ((length (length result-bit-array)))
(if (= length 0)
- ;; We avoid doing anything to 0-length bit-vectors, or
- ;; rather, the memory that follows them. Other
- ;; divisible-by-32 cases are handled by the (1- length),
- ;; below. CSR, 2002-04-24
+ ;; We avoid doing anything to 0-length bit-vectors, or rather,
+ ;; the memory that follows them. Other divisible-by
+ ;; n-word-bits cases are handled by the (1- length), below.
+ ;; CSR, 2002-04-24
result-bit-array
(do ((index sb!vm:vector-data-offset (1+ index))
(end-1 (+ sb!vm:vector-data-offset
- ;; bit-vectors of length 1-32 need precisely
- ;; one (SETF %RAW-BITS), done here in the
- ;; epilogue. - CSR, 2002-04-24
+ ;; bit-vectors of length 1 to n-word-bits need
+ ;; precisely one (SETF %RAW-BITS), done here in
+ ;; the epilogue. - CSR, 2002-04-24
(truncate (truly-the index (1- length))
sb!vm:n-word-bits))))
((= index end-1)
(:big-endian
'(- sb!vm:n-word-bits extra))))
(%raw-bits y i))))
- (declare (type (integer 0 31) extra)
+ (declare (type (integer 0 #.(1- sb!vm:n-word-bits))
+ extra)
(type sb!vm:word mask numx numy))
(= numx numy)))
(declare (type index i end-1))
(:big-endian
'(- sb!vm:n-word-bits extra))))
(%raw-bits sequence index))))
+ (declare (type (mod #.(1- sb!vm:n-word-bits)) extra))
(declare (type sb!vm:word mask bits))
;; could consider LOGNOT for the zero case instead of
;; doing the subtraction...
(let ((value (if (constant-lvar-p item)
(if (= (lvar-value item) 0)
0
- #.(1- (ash 1 32)))
- `(if (= item 0) 0 #.(1- (ash 1 32))))))
+ #.(1- (ash 1 sb!vm:n-word-bits)))
+ `(if (= item 0) 0 #.(1- (ash 1 sb!vm:n-word-bits))))))
`(let ((length (length sequence))
(value ,value))
(if (= length 0)
sequence
(do ((index sb!vm:vector-data-offset (1+ index))
(end-1 (+ sb!vm:vector-data-offset
- ;; bit-vectors of length 1-32 need precisely
- ;; one (SETF %RAW-BITS), done here in the
- ;; epilogue. - CSR, 2002-04-24
+ ;; bit-vectors of length 1 to n-word-bits need
+ ;; precisely one (SETF %RAW-BITS), done here
+ ;; in the epilogue. - CSR, 2002-04-24
(truncate (truly-the index (1- length))
sb!vm:n-word-bits))))
((= index end-1)
:policy (>= speed space))
(let ((value (if (constant-lvar-p item)
(let* ((char (lvar-value item))
- (code (sb!xc:char-code char)))
- (logior code (ash code 8) (ash code 16) (ash code 24)))
+ (code (sb!xc:char-code char))
+ (accum 0))
+ (dotimes (i sb!vm:n-word-bytes)
+ (setf accum (logior accum (ash code (* 8 i))))))
`(let ((code (sb!xc:char-code item)))
- (logior code (ash code 8) (ash code 16) (ash code 24))))))
+ (logior ,@(loop for i from 0 upto sb!vm:n-word-bytes
+ collect `(ash code ,(* 8 i))))))))
`(let ((length (length sequence))
(value ,value))
(multiple-value-bind (times rem)
- (truncate length 4)
+ (truncate length sb!vm:n-word-bytes)
(do ((index sb!vm:vector-data-offset (1+ index))
(end (+ times sb!vm:vector-data-offset)))
((= index end)
- (let ((place (* times 4)))
+ (let ((place (* times sb!vm:n-word-bytes)))
(declare (fixnum place))
(dotimes (j rem sequence)
(declare (index j))