(if (null splice)
(setq list (cdr x))
(rplacd splice (cdr x))))
- (T (setq splice x)))))
+ (t (setq splice x)))))
(deftransform fill ((seq item &key (start 0) (end (length seq)))
(vector t &key (:start t) (:end index))
(defun valid-bit-bash-saetp-p (saetp)
;; BIT-BASHing isn't allowed on simple vectors that contain pointers
(and (not (eq t (sb!vm:saetp-specifier saetp)))
+ ;; Disallowing (VECTOR NIL) also means that we won't transform
+ ;; sequence functions into bit-bashing code and we let the
+ ;; generic sequence functions signal errors if necessary.
+ (not (zerop (sb!vm:saetp-n-bits saetp)))
;; Due to limitations with the current BIT-BASHing code, we can't
;; BIT-BASH reliably on arrays whose element types are larger
;; than the word size.
collect
(let* ((sequence-type `(simple-array ,(sb!vm:saetp-specifier saetp) (*)))
(n-element-bits (sb!vm:saetp-n-bits saetp))
- (bash-function (intern (format nil "UB~A-BASH-COPY" n-element-bits)
+ (bash-function (intern (format nil "UB~D-BASH-COPY" n-element-bits)
(find-package "SB!KERNEL"))))
`(deftransform replace ((seq1 seq2 &key (start1 0) (start2 0) end1 end2)
(,sequence-type ,sequence-type &rest t)
collect
(let* ((sequence-type `(simple-array ,(sb!vm:saetp-specifier saetp) (*)))
(n-element-bits (sb!vm:saetp-n-bits saetp))
- (bash-function (intern (format nil "UB~A-BASH-COPY" n-element-bits)
+ (bash-function (intern (format nil "UB~D-BASH-COPY" n-element-bits)
(find-package "SB!KERNEL"))))
`(deftransform subseq ((seq start &optional end)
(,sequence-type t &optional t)
collect
(let* ((sequence-type `(simple-array ,(sb!vm:saetp-specifier saetp) (*)))
(n-element-bits (sb!vm:saetp-n-bits saetp))
- (bash-function (intern (format nil "UB~A-BASH-COPY" n-element-bits)
+ (bash-function (intern (format nil "UB~D-BASH-COPY" n-element-bits)
(find-package "SB!KERNEL"))))
`(deftransform copy-seq ((seq) (,sequence-type)
,sequence-type)
(loop for rest-seqs on sequences
for n-seq = (gensym "N-SEQ")
for n-length = (gensym "N-LENGTH")
- for start = vector-data-bit-offset then next-start
+ for start = 0 then next-start
for next-start = (gensym "NEXT-START")
collect n-seq into args
- collect `(,n-length (* (length ,n-seq) sb!vm:n-byte-bits)) into lets
+ collect `(,n-length (length ,n-seq)) into lets
collect n-length into all-lengths
collect next-start into starts
collect `(if (and (typep ,n-seq '(simple-array nil (*)))
(> ,n-length 0))
(error 'nil-array-accessed-error)
- (bit-bash-copy ,n-seq ,vector-data-bit-offset
- res ,start ,n-length))
+ (#.(let* ((i (position 'character sb!kernel::*specialized-array-element-types*))
+ (saetp (aref sb!vm:*specialized-array-element-type-properties* i))
+ (n-bits (sb!vm:saetp-n-bits saetp)))
+ (intern (format nil "UB~D-BASH-COPY" n-bits)
+ "SB!KERNEL"))
+ ,n-seq 0 res ,start ,n-length))
into forms
collect `(setq ,next-start (+ ,start ,n-length)) into forms
finally
`(lambda (rtype ,@args)
(declare (ignore rtype))
(let* (,@lets
- (res (make-string (truncate (the index (+ ,@all-lengths))
- sb!vm:n-byte-bits)
- :element-type 'base-char)))
+ (res (make-string (the index (+ ,@all-lengths))
+ :element-type 'base-char)))
(declare (type index ,@all-lengths))
(let (,@(mapcar (lambda (name) `(,name 0)) starts))
(declare (type index ,@starts))