X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fseqtran.lisp;h=a7a33b76fdfb63bc1a7706051e640e2a24fedf2a;hb=94ea2b2082deaa0331dfb66fa6af6ca12dd8dc83;hp=5c1874dcc594d21f0be329b13af43fc47d2eba33;hpb=380ea897e2c12a01547f918f73e8a1db0a3a0373;p=sbcl.git

diff --git a/src/compiler/seqtran.lisp b/src/compiler/seqtran.lisp
index 5c1874d..a7a33b7 100644
--- a/src/compiler/seqtran.lisp
+++ b/src/compiler/seqtran.lisp
@@ -349,7 +349,7 @@
 	    (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))
@@ -683,6 +683,10 @@
 (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.
@@ -699,7 +703,7 @@
              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)
@@ -733,7 +737,7 @@
              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)
@@ -760,7 +764,7 @@
              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)