0.pre7.60:
[sbcl.git] / src / compiler / x86 / array.lisp
index 3afdbc1..a7828a0 100644 (file)
@@ -10,9 +10,6 @@
 ;;;; files for more information.
 
 (in-package "SB!VM")
-
-(file-comment
- "$Header$")
 \f
 ;;;; allocator for the array header
 
   (:generator 13
     (inst lea bytes
          (make-ea :dword :base rank
-                  :disp (+ (* (1+ array-dimensions-offset) word-bytes)
+                  :disp (+ (* (1+ array-dimensions-offset) n-word-bytes)
                            lowtag-mask)))
     (inst and bytes (lognot lowtag-mask))
     (inst lea header (make-ea :dword :base rank
                              :disp (fixnumize (1- array-dimensions-offset))))
-    (inst shl header type-bits)
+    (inst shl header n-widetag-bits)
     (inst or  header type)
     (inst shr header 2)
     (pseudo-atomic
      (allocation result bytes node)
-     (inst lea result (make-ea :dword :base result :disp other-pointer-type))
-     (storew header result 0 other-pointer-type))))
+     (inst lea result (make-ea :dword :base result :disp other-pointer-lowtag))
+     (storew header result 0 other-pointer-lowtag))))
 \f
 ;;;; additional accessors and setters for the array header
 
   ())
 
 (define-full-reffer %array-dimension *
-  array-dimensions-offset other-pointer-type
+  array-dimensions-offset other-pointer-lowtag
   (any-reg) positive-fixnum sb!impl::%array-dimension)
 
 (define-full-setter %set-array-dimension *
-  array-dimensions-offset other-pointer-type
+  array-dimensions-offset other-pointer-lowtag
   (any-reg) positive-fixnum sb!impl::%set-array-dimension)
 
 (defknown sb!impl::%array-rank (t) index (flushable))
@@ -66,8 +63,8 @@
   (:results (res :scs (unsigned-reg)))
   (:result-types positive-fixnum)
   (:generator 6
-    (loadw res x 0 other-pointer-type)
-    (inst shr res type-bits)
+    (loadw res x 0 other-pointer-lowtag)
+    (inst shr res n-widetag-bits)
     (inst sub res (1- array-dimensions-offset))))
 \f
 ;;;; bounds checking routine
 (macrolet ((def-full-data-vector-frobs (type element-type &rest scs)
             `(progn
                (define-full-reffer ,(symbolicate "DATA-VECTOR-REF/" type)
-                 ,type vector-data-offset other-pointer-type ,scs
+                 ,type vector-data-offset other-pointer-lowtag ,scs
                  ,element-type data-vector-ref)
                (define-full-setter ,(symbolicate "DATA-VECTOR-SET/" type)
-                 ,type vector-data-offset other-pointer-type ,scs
+                 ,type vector-data-offset other-pointer-lowtag ,scs
                  ,element-type data-vector-set))))
   (def-full-data-vector-frobs simple-vector * descriptor-reg any-reg)
   (def-full-data-vector-frobs simple-array-unsigned-byte-32 unsigned-num
 ;;;; bit, 2-bit, and 4-bit vectors
 
 (macrolet ((def-small-data-vector-frobs (type bits)
-            (let* ((elements-per-word (floor sb!vm:word-bits bits))
+            (let* ((elements-per-word (floor sb!vm:n-word-bits bits))
                    (bit-shift (1- (integer-length elements-per-word))))
     `(progn
        (define-vop (,(symbolicate 'data-vector-ref/ type))
           (inst shr ecx ,bit-shift)
           (inst mov result
                 (make-ea :dword :base object :index ecx :scale 4
-                         :disp (- (* vector-data-offset word-bytes)
-                                  other-pointer-type)))
+                         :disp (- (* vector-data-offset n-word-bytes)
+                                  other-pointer-lowtag)))
           (move ecx index)
           (inst and ecx ,(1- elements-per-word))
           ,@(unless (= bits 1)
         (:generator 15
           (multiple-value-bind (word extra) (floor index ,elements-per-word)
             (loadw result object (+ word vector-data-offset)
-                   other-pointer-type)
+                   other-pointer-lowtag)
             (unless (zerop extra)
               (inst shr result (* extra ,bits)))
             (unless (= extra ,(1- elements-per-word))
           (inst shr word-index ,bit-shift)
           (inst lea ptr
                 (make-ea :dword :base object :index word-index :scale 4
-                         :disp (- (* vector-data-offset word-bytes)
-                                  other-pointer-type)))
+                         :disp (- (* vector-data-offset n-word-bytes)
+                                  other-pointer-lowtag)))
           (loadw old ptr)
           (move ecx index)
           (inst and ecx ,(1- elements-per-word))
           (multiple-value-bind (word extra) (floor index ,elements-per-word)
             (inst mov old
                   (make-ea :dword :base object
-                           :disp (- (* (+ word vector-data-offset) word-bytes)
-                                    other-pointer-type)))
+                           :disp (- (* (+ word vector-data-offset)
+                                       n-word-bytes)
+                                    other-pointer-lowtag)))
             (sc-case value
               (immediate
                (let* ((value (tn-value value))
                    (inst rol old shift)))))
             (inst mov (make-ea :dword :base object
                                :disp (- (* (+ word vector-data-offset)
-                                           word-bytes)
-                                        other-pointer-type))
+                                           n-word-bytes)
+                                        other-pointer-lowtag))
                   old)
             (sc-case value
               (immediate
   (:generator 5
    (with-empty-tn@fp-top(value)
      (inst fld (make-ea        :dword :base object :index index :scale 1
-                       :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                                sb!vm:other-pointer-type))))))
+                       :disp (- (* sb!vm:vector-data-offset
+                                   sb!vm:n-word-bytes)
+                                sb!vm:other-pointer-lowtag))))))
 
 (define-vop (data-vector-ref-c/simple-array-single-float)
   (:note "inline array access")
    (with-empty-tn@fp-top(value)
      (inst fld (make-ea        :dword :base object
                        :disp (- (+ (* sb!vm:vector-data-offset
-                                      sb!vm:word-bytes)
+                                      sb!vm:n-word-bytes)
                                    (* 4 index))
-                                sb!vm:other-pointer-type))))))
+                                sb!vm:other-pointer-lowtag))))))
 
 (define-vop (data-vector-set/simple-array-single-float)
   (:note "inline array store")
   (:result-types single-float)
   (:generator 5
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (inst fst (make-ea :dword :base object :index index :scale 1
                              :disp (- (* sb!vm:vector-data-offset
-                                         sb!vm:word-bytes)
-                                      sb!vm:other-pointer-type)))
+                                         sb!vm:n-word-bytes)
+                                      sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
                   ;; Value is in ST0 but not result.
                   (inst fst result)))
           (inst fxch value)
           (inst fst (make-ea :dword :base object :index index :scale 1
                              :disp (- (* sb!vm:vector-data-offset
-                                         sb!vm:word-bytes)
-                                      sb!vm:other-pointer-type)))
+                                         sb!vm:n-word-bytes)
+                                      sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fst value))
   (:result-types single-float)
   (:generator 4
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (inst fst (make-ea :dword :base object
                              :disp (- (+ (* sb!vm:vector-data-offset
-                                            sb!vm:word-bytes)
+                                            sb!vm:n-word-bytes)
                                          (* 4 index))
-                                      sb!vm:other-pointer-type)))
+                                      sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
                   ;; Value is in ST0 but not result.
                   (inst fst result)))
           (inst fxch value)
           (inst fst (make-ea :dword :base object
                              :disp (- (+ (* sb!vm:vector-data-offset
-                                            sb!vm:word-bytes)
+                                            sb!vm:n-word-bytes)
                                          (* 4 index))
-                                      sb!vm:other-pointer-type)))
+                                      sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fst value))
   (:generator 7
    (with-empty-tn@fp-top(value)
      (inst fldd (make-ea :dword :base object :index index :scale 2
-                        :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                                 sb!vm:other-pointer-type))))))
+                        :disp (- (* sb!vm:vector-data-offset
+                                    sb!vm:n-word-bytes)
+                                 sb!vm:other-pointer-lowtag))))))
 
 (define-vop (data-vector-ref-c/simple-array-double-float)
   (:note "inline array access")
    (with-empty-tn@fp-top(value)
      (inst fldd (make-ea :dword :base object
                         :disp (- (+ (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
+                                       sb!vm:n-word-bytes)
                                     (* 8 index))
-                                 sb!vm:other-pointer-type))))))
+                                 sb!vm:other-pointer-lowtag))))))
 
 (define-vop (data-vector-set/simple-array-double-float)
   (:note "inline array store")
   (:result-types double-float)
   (:generator 20
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (inst fstd (make-ea :dword :base object :index index :scale 2
                               :disp (- (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
-                                       sb!vm:other-pointer-type)))
+                                          sb!vm:n-word-bytes)
+                                       sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
                   ;; Value is in ST0 but not result.
                   (inst fstd result)))
           (inst fxch value)
           (inst fstd (make-ea :dword :base object :index index :scale 2
                               :disp (- (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
-                                       sb!vm:other-pointer-type)))
+                                          sb!vm:n-word-bytes)
+                                       sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fstd value))
   (:result-types double-float)
   (:generator 19
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (inst fstd (make-ea :dword :base object
                               :disp (- (+ (* sb!vm:vector-data-offset
-                                             sb!vm:word-bytes)
+                                             sb!vm:n-word-bytes)
                                           (* 8 index))
-                                       sb!vm:other-pointer-type)))
+                                       sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
                   ;; Value is in ST0 but not result.
                   (inst fstd result)))
           (inst fxch value)
           (inst fstd (make-ea :dword :base object
                               :disp (- (+ (* sb!vm:vector-data-offset
-                                             sb!vm:word-bytes)
+                                             sb!vm:n-word-bytes)
                                           (* 8 index))
-                                       sb!vm:other-pointer-type)))
+                                       sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fstd value))
     (with-empty-tn@fp-top(value)
       (inst fldl (make-ea :dword :base object :index temp :scale 1
                          :disp (- (* sb!vm:vector-data-offset
-                                     sb!vm:word-bytes)
-                                  sb!vm:other-pointer-type))))))
+                                     sb!vm:n-word-bytes)
+                                  sb!vm:other-pointer-lowtag))))))
 
 #!+long-float
 (define-vop (data-vector-ref-c/simple-array-long-float)
    (with-empty-tn@fp-top(value)
      (inst fldl (make-ea :dword :base object
                         :disp (- (+ (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
+                                       sb!vm:n-word-bytes)
                                     (* 12 index))
-                                 sb!vm:other-pointer-type))))))
+                                 sb!vm:other-pointer-lowtag))))))
 
 #!+long-float
 (define-vop (data-vector-set/simple-array-long-float)
     ;; temp = 3 * index
     (inst lea temp (make-ea :dword :base index :index index :scale 2))
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (store-long-float
            (make-ea :dword :base object :index temp :scale 1
-                    :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                             sb!vm:other-pointer-type)))
+                    :disp (- (* sb!vm:vector-data-offset sb!vm:n-word-bytes)
+                             sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
                   ;; Value is in ST0 but not result.
                   (inst fstd result)))
           (inst fxch value)
           (store-long-float
            (make-ea :dword :base object :index temp :scale 1
-                    :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                             sb!vm:other-pointer-type)))
+                    :disp (- (* sb!vm:vector-data-offset sb!vm:n-word-bytes)
+                             sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fstd value))
   (:result-types long-float)
   (:generator 19
     (cond ((zerop (tn-offset value))
-          ;; Value is in ST0
+          ;; Value is in ST0.
           (store-long-float (make-ea :dword :base object
                                      :disp (- (+ (* sb!vm:vector-data-offset
-                                                    sb!vm:word-bytes)
+                                                    sb!vm:n-word-bytes)
                                                  (* 12 index))
-                                              sb!vm:other-pointer-type)))
+                                              sb!vm:other-pointer-lowtag)))
           (unless (zerop (tn-offset result))
             ;; Value is in ST0 but not result.
             (inst fstd result)))
           (inst fxch value)
           (store-long-float (make-ea :dword :base object
                                      :disp (- (+ (* sb!vm:vector-data-offset
-                                                    sb!vm:word-bytes)
+                                                    sb!vm:n-word-bytes)
                                                  (* 12 index))
-                                              sb!vm:other-pointer-type)))
+                                              sb!vm:other-pointer-lowtag)))
           (cond ((zerop (tn-offset result))
                  ;; The result is in ST0.
                  (inst fstd value))
       (with-empty-tn@fp-top (real-tn)
        (inst fld (make-ea :dword :base object :index index :scale 2
                           :disp (- (* sb!vm:vector-data-offset
-                                      sb!vm:word-bytes)
-                                   sb!vm:other-pointer-type)))))
+                                      sb!vm:n-word-bytes)
+                                   sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-single-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fld (make-ea :dword :base object :index index :scale 2
                           :disp (- (* (1+ sb!vm:vector-data-offset)
-                                      sb!vm:word-bytes)
-                                   sb!vm:other-pointer-type)))))))
+                                      sb!vm:n-word-bytes)
+                                   sb!vm:other-pointer-lowtag)))))))
 
 (define-vop (data-vector-ref-c/simple-array-complex-single-float)
   (:note "inline array access")
       (with-empty-tn@fp-top (real-tn)
        (inst fld (make-ea :dword :base object
                           :disp (- (+ (* sb!vm:vector-data-offset
-                                         sb!vm:word-bytes)
+                                         sb!vm:n-word-bytes)
                                       (* 8 index))
-                                   sb!vm:other-pointer-type)))))
+                                   sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-single-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fld (make-ea :dword :base object
                           :disp (- (+ (* sb!vm:vector-data-offset
-                                         sb!vm:word-bytes)
+                                         sb!vm:n-word-bytes)
                                       (* 8 index) 4)
-                                   sb!vm:other-pointer-type)))))))
+                                   sb!vm:other-pointer-lowtag)))))))
 
 (define-vop (data-vector-set/simple-array-complex-single-float)
   (:note "inline array store")
             ;; Value is in ST0.
             (inst fst (make-ea :dword :base object :index index :scale 2
                                :disp (- (* sb!vm:vector-data-offset
-                                           sb!vm:word-bytes)
-                                        sb!vm:other-pointer-type)))
+                                           sb!vm:n-word-bytes)
+                                        sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fst result-real)))
             (inst fxch value-real)
             (inst fst (make-ea :dword :base object :index index :scale 2
                                :disp (- (* sb!vm:vector-data-offset
-                                           sb!vm:word-bytes)
-                                        sb!vm:other-pointer-type)))
+                                           sb!vm:n-word-bytes)
+                                        sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fst value-real))
       (inst fxch value-imag)
       (inst fst (make-ea :dword :base object :index index :scale 2
                         :disp (- (+ (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
+                                       sb!vm:n-word-bytes)
                                     4)
-                                 sb!vm:other-pointer-type)))
+                                 sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fst result-imag))
       (inst fxch value-imag))))
     (let ((value-real (complex-single-reg-real-tn value))
          (result-real (complex-single-reg-real-tn result)))
       (cond ((zerop (tn-offset value-real))
-            ;; Value is in ST0
+            ;; Value is in ST0.
             (inst fst (make-ea :dword :base object
                                :disp (- (+ (* sb!vm:vector-data-offset
-                                              sb!vm:word-bytes)
+                                              sb!vm:n-word-bytes)
                                            (* 8 index))
-                                        sb!vm:other-pointer-type)))
+                                        sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fst result-real)))
             (inst fxch value-real)
             (inst fst (make-ea :dword :base object
                                :disp (- (+ (* sb!vm:vector-data-offset
-                                              sb!vm:word-bytes)
+                                              sb!vm:n-word-bytes)
                                            (* 8 index))
-                                        sb!vm:other-pointer-type)))
+                                        sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fst value-real))
       (inst fxch value-imag)
       (inst fst (make-ea :dword :base object
                         :disp (- (+ (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
+                                       sb!vm:n-word-bytes)
                                     (* 8 index) 4)
-                                 sb!vm:other-pointer-type)))
+                                 sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fst result-imag))
       (inst fxch value-imag))))
       (with-empty-tn@fp-top (real-tn)
        (inst fldd (make-ea :dword :base object :index index :scale 4
                            :disp (- (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
-                                    sb!vm:other-pointer-type)))))
+                                       sb!vm:n-word-bytes)
+                                    sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-double-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fldd (make-ea :dword :base object :index index :scale 4
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        8)
-                                    sb!vm:other-pointer-type)))))))
+                                    sb!vm:other-pointer-lowtag)))))))
 
 (define-vop (data-vector-ref-c/simple-array-complex-double-float)
   (:note "inline array access")
       (with-empty-tn@fp-top (real-tn)
        (inst fldd (make-ea :dword :base object
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        (* 16 index))
-                                    sb!vm:other-pointer-type)))))
+                                    sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-double-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fldd (make-ea :dword :base object
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        (* 16 index) 8)
-                                    sb!vm:other-pointer-type)))))))
+                                    sb!vm:other-pointer-lowtag)))))))
 
 (define-vop (data-vector-set/simple-array-complex-double-float)
   (:note "inline array store")
     (let ((value-real (complex-double-reg-real-tn value))
          (result-real (complex-double-reg-real-tn result)))
       (cond ((zerop (tn-offset value-real))
-            ;; Value is in ST0
+            ;; Value is in ST0.
             (inst fstd (make-ea :dword :base object :index index :scale 4
                                 :disp (- (* sb!vm:vector-data-offset
-                                            sb!vm:word-bytes)
-                                         sb!vm:other-pointer-type)))
+                                            sb!vm:n-word-bytes)
+                                         sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fstd result-real)))
             (inst fxch value-real)
             (inst fstd (make-ea :dword :base object :index index :scale 4
                                 :disp (- (* sb!vm:vector-data-offset
-                                            sb!vm:word-bytes)
-                                         sb!vm:other-pointer-type)))
+                                            sb!vm:n-word-bytes)
+                                         sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fstd value-real))
       (inst fxch value-imag)
       (inst fstd (make-ea :dword :base object :index index :scale 4
                          :disp (- (+ (* sb!vm:vector-data-offset
-                                        sb!vm:word-bytes)
+                                        sb!vm:n-word-bytes)
                                      8)
-                                  sb!vm:other-pointer-type)))
+                                  sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fstd result-imag))
       (inst fxch value-imag))))
     (let ((value-real (complex-double-reg-real-tn value))
          (result-real (complex-double-reg-real-tn result)))
       (cond ((zerop (tn-offset value-real))
-            ;; Value is in ST0
+            ;; Value is in ST0.
             (inst fstd (make-ea :dword :base object
                                 :disp (- (+ (* sb!vm:vector-data-offset
-                                               sb!vm:word-bytes)
+                                               sb!vm:n-word-bytes)
                                             (* 16 index))
-                                         sb!vm:other-pointer-type)))
+                                         sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fstd result-real)))
             (inst fxch value-real)
             (inst fstd (make-ea :dword :base object
                                 :disp (- (+ (* sb!vm:vector-data-offset
-                                               sb!vm:word-bytes)
+                                               sb!vm:n-word-bytes)
                                             (* 16 index))
-                                         sb!vm:other-pointer-type)))
+                                         sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fstd value-real))
       (inst fxch value-imag)
       (inst fstd (make-ea :dword :base object
                          :disp (- (+ (* sb!vm:vector-data-offset
-                                        sb!vm:word-bytes)
+                                        sb!vm:n-word-bytes)
                                      (* 16 index) 8)
-                                  sb!vm:other-pointer-type)))
+                                  sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fstd result-imag))
       (inst fxch value-imag))))
       (with-empty-tn@fp-top (real-tn)
        (inst fldl (make-ea :dword :base object :index temp :scale 2
                            :disp (- (* sb!vm:vector-data-offset
-                                       sb!vm:word-bytes)
-                                    sb!vm:other-pointer-type)))))
+                                       sb!vm:n-word-bytes)
+                                    sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-long-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fldl (make-ea :dword :base object :index temp :scale 2
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        12)
-                                    sb!vm:other-pointer-type)))))))
+                                    sb!vm:other-pointer-lowtag)))))))
 
 #!+long-float
 (define-vop (data-vector-ref-c/simple-array-complex-long-float)
       (with-empty-tn@fp-top (real-tn)
        (inst fldl (make-ea :dword :base object
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        (* 24 index))
-                                    sb!vm:other-pointer-type)))))
+                                    sb!vm:other-pointer-lowtag)))))
     (let ((imag-tn (complex-long-reg-imag-tn value)))
       (with-empty-tn@fp-top (imag-tn)
        (inst fldl (make-ea :dword :base object
                            :disp (- (+ (* sb!vm:vector-data-offset
-                                          sb!vm:word-bytes)
+                                          sb!vm:n-word-bytes)
                                        (* 24 index) 12)
-                                    sb!vm:other-pointer-type)))))))
+                                    sb!vm:other-pointer-lowtag)))))))
 
 #!+long-float
 (define-vop (data-vector-set/simple-array-complex-long-float)
     (let ((value-real (complex-long-reg-real-tn value))
          (result-real (complex-long-reg-real-tn result)))
       (cond ((zerop (tn-offset value-real))
-            ;; Value is in ST0
+            ;; Value is in ST0.
             (store-long-float
              (make-ea :dword :base object :index temp :scale 2
-                      :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                               sb!vm:other-pointer-type)))
+                      :disp (- (* sb!vm:vector-data-offset sb!vm:n-word-bytes)
+                               sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fstd result-real)))
             (inst fxch value-real)
             (store-long-float
              (make-ea :dword :base object :index temp :scale 2
-                      :disp (- (* sb!vm:vector-data-offset sb!vm:word-bytes)
-                               sb!vm:other-pointer-type)))
+                      :disp (- (* sb!vm:vector-data-offset sb!vm:n-word-bytes)
+                               sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fstd value-real))
       (inst fxch value-imag)
       (store-long-float
        (make-ea :dword :base object :index temp :scale 2
-               :disp (- (+ (* sb!vm:vector-data-offset sb!vm:word-bytes) 12)
-                        sb!vm:other-pointer-type)))
+               :disp (- (+ (* sb!vm:vector-data-offset sb!vm:n-word-bytes) 12)
+                        sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fstd result-imag))
       (inst fxch value-imag))))
     (let ((value-real (complex-long-reg-real-tn value))
          (result-real (complex-long-reg-real-tn result)))
       (cond ((zerop (tn-offset value-real))
-            ;; Value is in ST0
+            ;; Value is in ST0.
             (store-long-float
              (make-ea :dword :base object
                       :disp (- (+ (* sb!vm:vector-data-offset
-                                     sb!vm:word-bytes)
+                                     sb!vm:n-word-bytes)
                                   (* 24 index))
-                               sb!vm:other-pointer-type)))
+                               sb!vm:other-pointer-lowtag)))
             (unless (zerop (tn-offset result-real))
               ;; Value is in ST0 but not result.
               (inst fstd result-real)))
             (store-long-float
              (make-ea :dword :base object
                       :disp (- (+ (* sb!vm:vector-data-offset
-                                     sb!vm:word-bytes)
+                                     sb!vm:n-word-bytes)
                                   (* 24 index))
-                               sb!vm:other-pointer-type)))
+                               sb!vm:other-pointer-lowtag)))
             (cond ((zerop (tn-offset result-real))
                    ;; The result is in ST0.
                    (inst fstd value-real))
       (store-long-float
        (make-ea :dword :base object
                :disp (- (+ (* sb!vm:vector-data-offset
-                              sb!vm:word-bytes)
+                              sb!vm:n-word-bytes)
                            ;; FIXME: There are so many of these bare constants
                            ;; (24, 12..) in the LONG-FLOAT code that it's
                            ;; ridiculous. I should probably just delete it all
                            ;; instead of appearing to flirt with supporting
                            ;; this maintenance nightmare.
                            (* 24 index) 12)
-                        sb!vm:other-pointer-type)))
+                        sb!vm:other-pointer-lowtag)))
       (unless (location= value-imag result-imag)
        (inst fstd result-imag))
       (inst fxch value-imag))))
-
 \f
-;;;; dtc expanded and fixed the following:
-
 ;;; unsigned-byte-8
 
 (define-vop (data-vector-ref/simple-array-unsigned-byte-8)
   (:generator 5
     (inst movzx value
          (make-ea :byte :base object :index index :scale 1
-                  :disp (- (* vector-data-offset word-bytes)
-                           other-pointer-type)))))
+                  :disp (- (* vector-data-offset n-word-bytes)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-ref-c/simple-array-unsigned-byte-8)
   (:translate data-vector-ref)
   (:generator 4
     (inst movzx value
          (make-ea :byte :base object
-                  :disp (- (+ (* vector-data-offset word-bytes) index)
-                           other-pointer-type)))))
+                  :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-set/simple-array-unsigned-byte-8)
   (:translate data-vector-set)
   (:generator 5
     (move eax value)
     (inst mov (make-ea :byte :base object :index index :scale 1
-                      :disp (- (* vector-data-offset word-bytes)
-                               other-pointer-type))
+                      :disp (- (* vector-data-offset n-word-bytes)
+                               other-pointer-lowtag))
          al-tn)
     (move result eax)))
 
   (:generator 4
     (move eax value)
     (inst mov (make-ea :byte :base object
-                      :disp (- (+ (* vector-data-offset word-bytes) index)
-                               other-pointer-type))
+                      :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                               other-pointer-lowtag))
          al-tn)
     (move result eax)))
 
   (:generator 5
     (inst movzx value
          (make-ea :word :base object :index index :scale 2
-                  :disp (- (* vector-data-offset word-bytes)
-                           other-pointer-type)))))
+                  :disp (- (* vector-data-offset n-word-bytes)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-ref-c/simple-array-unsigned-byte-16)
   (:translate data-vector-ref)
   (:generator 4
     (inst movzx value
          (make-ea :word :base object
-                  :disp (- (+ (* vector-data-offset word-bytes) (* 2 index))
-                           other-pointer-type)))))
+                  :disp (- (+ (* vector-data-offset n-word-bytes) (* 2 index))
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-set/simple-array-unsigned-byte-16)
   (:translate data-vector-set)
   (:generator 5
     (move eax value)
     (inst mov (make-ea :word :base object :index index :scale 2
-                      :disp (- (* vector-data-offset word-bytes)
-                               other-pointer-type))
+                      :disp (- (* vector-data-offset n-word-bytes)
+                               other-pointer-lowtag))
          ax-tn)
     (move result eax)))
 
   (:generator 4
     (move eax value)
     (inst mov (make-ea :word :base object
-                      :disp (- (+ (* vector-data-offset word-bytes)
+                      :disp (- (+ (* vector-data-offset n-word-bytes)
                                   (* 2 index))
-                               other-pointer-type))
+                               other-pointer-lowtag))
          ax-tn)
     (move result eax)))
 
   (:generator 5
     (inst mov al-tn
          (make-ea :byte :base object :index index :scale 1
-                  :disp (- (* vector-data-offset word-bytes)
-                           other-pointer-type)))
+                  :disp (- (* vector-data-offset n-word-bytes)
+                           other-pointer-lowtag)))
     (move value al-tn)))
 
 (define-vop (data-vector-ref-c/simple-string)
   (:generator 4
     (inst mov al-tn
          (make-ea :byte :base object
-                  :disp (- (+ (* vector-data-offset word-bytes) index)
-                           other-pointer-type)))
+                  :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                           other-pointer-lowtag)))
     (move value al-tn)))
 
 (define-vop (data-vector-set/simple-string)
   (:result-types base-char)
   (:generator 5
     (inst mov (make-ea :byte :base object :index index :scale 1
-                      :disp (- (* vector-data-offset word-bytes)
-                               other-pointer-type))
+                      :disp (- (* vector-data-offset n-word-bytes)
+                               other-pointer-lowtag))
          value)
     (move result value)))
 
   (:result-types base-char)
   (:generator 4
    (inst mov (make-ea :byte :base object
-                     :disp (- (+ (* vector-data-offset word-bytes) index)
-                              other-pointer-type))
+                     :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                              other-pointer-lowtag))
         value)
    (move result value)))
 
   (:generator 5
     (inst movsx value
          (make-ea :byte :base object :index index :scale 1
-                  :disp (- (* vector-data-offset word-bytes)
-                           other-pointer-type)))))
+                  :disp (- (* vector-data-offset n-word-bytes)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-ref-c/simple-array-signed-byte-8)
   (:translate data-vector-ref)
   (:generator 4
     (inst movsx value
          (make-ea :byte :base object
-                  :disp (- (+ (* vector-data-offset word-bytes) index)
-                           other-pointer-type)))))
+                  :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-set/simple-array-signed-byte-8)
   (:translate data-vector-set)
   (:generator 5
     (move eax value)
     (inst mov (make-ea :byte :base object :index index :scale 1
-                      :disp (- (* vector-data-offset word-bytes)
-                               other-pointer-type))
+                      :disp (- (* vector-data-offset n-word-bytes)
+                               other-pointer-lowtag))
          al-tn)
     (move result eax)))
 
   (:generator 4
     (move eax value)
     (inst mov (make-ea :byte :base object
-                      :disp (- (+ (* vector-data-offset word-bytes) index)
-                               other-pointer-type))
+                      :disp (- (+ (* vector-data-offset n-word-bytes) index)
+                               other-pointer-lowtag))
          al-tn)
     (move result eax)))
 
   (:generator 5
     (inst movsx value
          (make-ea :word :base object :index index :scale 2
-                  :disp (- (* vector-data-offset word-bytes)
-                           other-pointer-type)))))
+                  :disp (- (* vector-data-offset n-word-bytes)
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-ref-c/simple-array-signed-byte-16)
   (:translate data-vector-ref)
   (:generator 4
     (inst movsx value
          (make-ea :word :base object
-                  :disp (- (+ (* vector-data-offset word-bytes)
+                  :disp (- (+ (* vector-data-offset n-word-bytes)
                               (* 2 index))
-                           other-pointer-type)))))
+                           other-pointer-lowtag)))))
 
 (define-vop (data-vector-set/simple-array-signed-byte-16)
   (:translate data-vector-set)
   (:generator 5
     (move eax value)
     (inst mov (make-ea :word :base object :index index :scale 2
-                      :disp (- (* vector-data-offset word-bytes)
-                               other-pointer-type))
+                      :disp (- (* vector-data-offset n-word-bytes)
+                               other-pointer-lowtag))
          ax-tn)
     (move result eax)))
 
     (move eax value)
     (inst mov
          (make-ea :word :base object
-                  :disp (- (+ (* vector-data-offset word-bytes)
+                  :disp (- (+ (* vector-data-offset n-word-bytes)
                               (* 2 index))
-                           other-pointer-type))
+                           other-pointer-lowtag))
          ax-tn)
     (move result eax)))
 \f
 
 ;;; These vops are useful for accessing the bits of a vector
 ;;; irrespective of what type of vector it is.
-(define-full-reffer raw-bits * 0 other-pointer-type (unsigned-reg)
+(define-full-reffer raw-bits * 0 other-pointer-lowtag (unsigned-reg)
   unsigned-num %raw-bits)
-(define-full-setter set-raw-bits * 0 other-pointer-type (unsigned-reg)
+(define-full-setter set-raw-bits * 0 other-pointer-lowtag (unsigned-reg)
   unsigned-num %set-raw-bits)
 \f
 ;;;; miscellaneous array VOPs