(eval-when (:compile-toplevel :execute)
-(defparameter immediate-types
- (list unbound-marker-type base-char-type))
+(defparameter *immediate-types*
+ (list unbound-marker-widetag base-char-widetag))
-(defparameter function-header-types
- (list funcallable-instance-header-type
- byte-code-function-type byte-code-closure-type
- function-header-type closure-function-header-type
- closure-header-type))
+(defparameter *fun-header-widetags*
+ (list funcallable-instance-header-widetag
+ simple-fun-header-widetag
+ closure-fun-header-widetag
+ closure-header-widetag))
(defun canonicalize-headers (headers)
(collect ((results))
(let ((start nil)
(prev nil)
- (delta (- other-immediate-1-type other-immediate-0-type)))
+ (delta (- other-immediate-1-lowtag other-immediate-0-lowtag)))
(flet ((emit-test ()
(results (if (= start prev)
start
(macrolet ((test-type (value target not-p &rest type-codes)
;; Determine what interesting combinations we need to test for.
(let* ((type-codes (mapcar #'eval type-codes))
- (fixnump (and (member even-fixnum-type type-codes)
- (member odd-fixnum-type type-codes)
+ (fixnump (and (member even-fixnum-lowtag type-codes)
+ (member odd-fixnum-lowtag type-codes)
t))
(lowtags (remove lowtag-limit type-codes :test #'<))
(extended (remove lowtag-limit type-codes :test #'>))
- (immediates (intersection extended immediate-types :test #'eql))
- (headers (set-difference extended immediate-types :test #'eql))
- (function-p (if (intersection headers function-header-types)
- (if (subsetp headers function-header-types)
+ (immediates (intersection extended *immediate-types* :test #'eql))
+ (headers (set-difference extended *immediate-types* :test #'eql))
+ (function-p (if (intersection headers *fun-header-widetags*)
+ (if (subsetp headers *fun-header-widetags*)
t
(error "can't test for mix of function subtypes ~
and normal header types"))
(error "At least one type must be supplied for TEST-TYPE."))
(cond
(fixnump
- (when (remove-if #'(lambda (x)
- (or (= x even-fixnum-type)
- (= x odd-fixnum-type)))
+ (when (remove-if (lambda (x)
+ (or (= x even-fixnum-lowtag)
+ (= x odd-fixnum-lowtag)))
lowtags)
(error "can't mix fixnum testing with other lowtags"))
(when function-p
3))
((sc-is value control-stack)
(inst test (make-ea :byte :base ebp-tn
- :disp (- (* (1+ offset) sb!vm:word-bytes)))
+ :disp (- (* (1+ offset) n-word-bytes)))
3))
(t
(inst test value 3)))))
(defun %test-headers (value target not-p function-p headers
&optional (drop-through (gen-label)) al-loaded)
- (let ((lowtag (if function-p function-pointer-type other-pointer-type)))
+ (let ((lowtag (if function-p fun-pointer-lowtag other-pointer-lowtag)))
(multiple-value-bind (equal less-or-equal when-true when-false)
;; EQUAL and LESS-OR-EQUAL are the conditions for branching to TARGET.
;; WHEN-TRUE and WHEN-FALSE are the labels to branch to when we know
(t
(let ((start (car header))
(end (cdr header)))
- (unless (= start bignum-type)
+ (unless (= start bignum-widetag)
(inst cmp al-tn start)
(inst jmp :b when-false)) ; was :l
(inst cmp al-tn end)
#+nil
(defun %test-headers (value target not-p function-p headers
&optional (drop-through (gen-label)) al-loaded)
- (let ((lowtag (if function-p function-pointer-type other-pointer-type)))
+ (let ((lowtag (if function-p fun-pointer-lowtag other-pointer-lowtag)))
(multiple-value-bind (equal less-or-equal when-true when-false)
;; EQUAL and LESS-OR-EQUAL are the conditions for branching to TARGET.
;; WHEN-TRUE and WHEN-FALSE are the labels to branch to when we know
(t
(let ((start (car header))
(end (cdr header)))
- (unless (= start bignum-type)
+ (unless (= start bignum-widetag)
(inst sub al-tn (- start delta))
(setf delta start)
(inst jmp :l when-false))
`((primitive-type-vop ,check-name (:check) ,ptype))))))
(def-simple-type-vops fixnump check-fixnum fixnum object-not-fixnum-error
- even-fixnum-type odd-fixnum-type)
+ even-fixnum-lowtag odd-fixnum-lowtag)
-(def-type-vops functionp check-function function
- object-not-function-error function-pointer-type)
+(def-type-vops functionp check-fun function
+ object-not-fun-error fun-pointer-lowtag)
(def-type-vops listp check-list list object-not-list-error
- list-pointer-type)
+ list-pointer-lowtag)
(def-type-vops %instancep check-instance instance object-not-instance-error
- instance-pointer-type)
+ instance-pointer-lowtag)
(def-type-vops bignump check-bignum bignum
- object-not-bignum-error bignum-type)
+ object-not-bignum-error bignum-widetag)
(def-type-vops ratiop check-ratio ratio
- object-not-ratio-error ratio-type)
+ object-not-ratio-error ratio-widetag)
(def-type-vops complexp check-complex complex object-not-complex-error
- complex-type complex-single-float-type complex-double-float-type
- #!+long-float complex-long-float-type)
+ complex-widetag complex-single-float-widetag complex-double-float-widetag
+ #!+long-float complex-long-float-widetag)
(def-type-vops complex-rational-p check-complex-rational nil
- object-not-complex-rational-error complex-type)
+ object-not-complex-rational-error complex-widetag)
(def-type-vops complex-float-p check-complex-float nil
object-not-complex-float-error
- complex-single-float-type complex-double-float-type
- #!+long-float complex-long-float-type)
+ complex-single-float-widetag complex-double-float-widetag
+ #!+long-float complex-long-float-widetag)
(def-type-vops complex-single-float-p check-complex-single-float
complex-single-float object-not-complex-single-float-error
- complex-single-float-type)
+ complex-single-float-widetag)
(def-type-vops complex-double-float-p check-complex-double-float
complex-double-float object-not-complex-double-float-error
- complex-double-float-type)
+ complex-double-float-widetag)
#!+long-float
(def-type-vops complex-long-float-p check-complex-long-float
complex-long-float object-not-complex-long-float-error
- complex-long-float-type)
+ complex-long-float-widetag)
(def-type-vops single-float-p check-single-float single-float
- object-not-single-float-error single-float-type)
+ object-not-single-float-error single-float-widetag)
(def-type-vops double-float-p check-double-float double-float
- object-not-double-float-error double-float-type)
+ object-not-double-float-error double-float-widetag)
#!+long-float
(def-type-vops long-float-p check-long-float long-float
- object-not-long-float-error long-float-type)
+ object-not-long-float-error long-float-widetag)
(def-type-vops simple-string-p check-simple-string simple-string
- object-not-simple-string-error simple-string-type)
+ object-not-simple-string-error simple-string-widetag)
(def-type-vops simple-bit-vector-p check-simple-bit-vector simple-bit-vector
- object-not-simple-bit-vector-error simple-bit-vector-type)
+ object-not-simple-bit-vector-error simple-bit-vector-widetag)
(def-type-vops simple-vector-p check-simple-vector simple-vector
- object-not-simple-vector-error simple-vector-type)
+ object-not-simple-vector-error simple-vector-widetag)
(def-type-vops simple-array-unsigned-byte-2-p
check-simple-array-unsigned-byte-2
simple-array-unsigned-byte-2
object-not-simple-array-unsigned-byte-2-error
- simple-array-unsigned-byte-2-type)
+ simple-array-unsigned-byte-2-widetag)
(def-type-vops simple-array-unsigned-byte-4-p
check-simple-array-unsigned-byte-4
simple-array-unsigned-byte-4
object-not-simple-array-unsigned-byte-4-error
- simple-array-unsigned-byte-4-type)
+ simple-array-unsigned-byte-4-widetag)
(def-type-vops simple-array-unsigned-byte-8-p
check-simple-array-unsigned-byte-8
simple-array-unsigned-byte-8
object-not-simple-array-unsigned-byte-8-error
- simple-array-unsigned-byte-8-type)
+ simple-array-unsigned-byte-8-widetag)
(def-type-vops simple-array-unsigned-byte-16-p
check-simple-array-unsigned-byte-16
simple-array-unsigned-byte-16
object-not-simple-array-unsigned-byte-16-error
- simple-array-unsigned-byte-16-type)
+ simple-array-unsigned-byte-16-widetag)
(def-type-vops simple-array-unsigned-byte-32-p
check-simple-array-unsigned-byte-32
simple-array-unsigned-byte-32
object-not-simple-array-unsigned-byte-32-error
- simple-array-unsigned-byte-32-type)
+ simple-array-unsigned-byte-32-widetag)
(def-type-vops simple-array-signed-byte-8-p
check-simple-array-signed-byte-8
simple-array-signed-byte-8
object-not-simple-array-signed-byte-8-error
- simple-array-signed-byte-8-type)
+ simple-array-signed-byte-8-widetag)
(def-type-vops simple-array-signed-byte-16-p
check-simple-array-signed-byte-16
simple-array-signed-byte-16
object-not-simple-array-signed-byte-16-error
- simple-array-signed-byte-16-type)
+ simple-array-signed-byte-16-widetag)
(def-type-vops simple-array-signed-byte-30-p
check-simple-array-signed-byte-30
simple-array-signed-byte-30
object-not-simple-array-signed-byte-30-error
- simple-array-signed-byte-30-type)
+ simple-array-signed-byte-30-widetag)
(def-type-vops simple-array-signed-byte-32-p
check-simple-array-signed-byte-32
simple-array-signed-byte-32
object-not-simple-array-signed-byte-32-error
- simple-array-signed-byte-32-type)
+ simple-array-signed-byte-32-widetag)
(def-type-vops simple-array-single-float-p check-simple-array-single-float
simple-array-single-float object-not-simple-array-single-float-error
- simple-array-single-float-type)
+ simple-array-single-float-widetag)
(def-type-vops simple-array-double-float-p check-simple-array-double-float
simple-array-double-float object-not-simple-array-double-float-error
- simple-array-double-float-type)
+ simple-array-double-float-widetag)
#!+long-float
(def-type-vops simple-array-long-float-p check-simple-array-long-float
simple-array-long-float object-not-simple-array-long-float-error
- simple-array-long-float-type)
+ simple-array-long-float-widetag)
(def-type-vops simple-array-complex-single-float-p
check-simple-array-complex-single-float
simple-array-complex-single-float
object-not-simple-array-complex-single-float-error
- simple-array-complex-single-float-type)
+ simple-array-complex-single-float-widetag)
(def-type-vops simple-array-complex-double-float-p
check-simple-array-complex-double-float
simple-array-complex-double-float
object-not-simple-array-complex-double-float-error
- simple-array-complex-double-float-type)
+ simple-array-complex-double-float-widetag)
#!+long-float
(def-type-vops simple-array-complex-long-float-p
check-simple-array-complex-long-float
simple-array-complex-long-float
object-not-simple-array-complex-long-float-error
- simple-array-complex-long-float-type)
+ simple-array-complex-long-float-widetag)
(def-type-vops base-char-p check-base-char base-char
- object-not-base-char-error base-char-type)
+ object-not-base-char-error base-char-widetag)
(def-type-vops system-area-pointer-p check-system-area-pointer
- system-area-pointer object-not-sap-error sap-type)
+ system-area-pointer object-not-sap-error sap-widetag)
(def-type-vops weak-pointer-p check-weak-pointer weak-pointer
- object-not-weak-pointer-error weak-pointer-type)
+ object-not-weak-pointer-error weak-pointer-widetag)
(def-type-vops code-component-p nil nil nil
- code-header-type)
+ code-header-widetag)
(def-type-vops lra-p nil nil nil
- return-pc-header-type)
+ return-pc-header-widetag)
(def-type-vops fdefn-p nil nil nil
- fdefn-type)
+ fdefn-widetag)
(def-type-vops funcallable-instance-p nil nil nil
- funcallable-instance-header-type)
+ funcallable-instance-header-widetag)
(def-type-vops array-header-p nil nil nil
- simple-array-type complex-string-type complex-bit-vector-type
- complex-vector-type complex-array-type)
-
-(def-type-vops nil check-function-or-symbol nil
- object-not-function-or-symbol-error
- function-pointer-type symbol-header-type)
+ simple-array-widetag complex-string-widetag complex-bit-vector-widetag
+ complex-vector-widetag complex-array-widetag)
(def-type-vops stringp check-string nil object-not-string-error
- simple-string-type complex-string-type)
+ simple-string-widetag complex-string-widetag)
(def-type-vops bit-vector-p check-bit-vector nil object-not-bit-vector-error
- simple-bit-vector-type complex-bit-vector-type)
+ simple-bit-vector-widetag complex-bit-vector-widetag)
(def-type-vops vectorp check-vector nil object-not-vector-error
- simple-string-type simple-bit-vector-type simple-vector-type
- simple-array-unsigned-byte-2-type simple-array-unsigned-byte-4-type
- simple-array-unsigned-byte-8-type simple-array-unsigned-byte-16-type
- simple-array-unsigned-byte-32-type
- simple-array-signed-byte-8-type simple-array-signed-byte-16-type
- simple-array-signed-byte-30-type simple-array-signed-byte-32-type
- simple-array-single-float-type simple-array-double-float-type
- #!+long-float simple-array-long-float-type
- simple-array-complex-single-float-type
- simple-array-complex-double-float-type
- #!+long-float simple-array-complex-long-float-type
- complex-string-type complex-bit-vector-type complex-vector-type)
+ simple-string-widetag simple-bit-vector-widetag simple-vector-widetag
+ simple-array-unsigned-byte-2-widetag simple-array-unsigned-byte-4-widetag
+ simple-array-unsigned-byte-8-widetag simple-array-unsigned-byte-16-widetag
+ simple-array-unsigned-byte-32-widetag
+ simple-array-signed-byte-8-widetag simple-array-signed-byte-16-widetag
+ simple-array-signed-byte-30-widetag simple-array-signed-byte-32-widetag
+ simple-array-single-float-widetag simple-array-double-float-widetag
+ #!+long-float simple-array-long-float-widetag
+ simple-array-complex-single-float-widetag
+ simple-array-complex-double-float-widetag
+ #!+long-float simple-array-complex-long-float-widetag
+ complex-string-widetag complex-bit-vector-widetag complex-vector-widetag)
;;; Note that this "type VOP" is sort of an oddball; it doesn't so
;;; much test for a Lisp-level type as just expose a low-level type
;;; associated backend type predicates and so forth as we do for
;;; ordinary type VOPs.
(def-type-vops complex-vector-p check-complex-vector nil object-not-complex-vector-error
- complex-vector-type)
+ complex-vector-widetag)
(def-type-vops simple-array-p check-simple-array nil object-not-simple-array-error
- simple-array-type simple-string-type simple-bit-vector-type
- simple-vector-type simple-array-unsigned-byte-2-type
- simple-array-unsigned-byte-4-type simple-array-unsigned-byte-8-type
- simple-array-unsigned-byte-16-type simple-array-unsigned-byte-32-type
- simple-array-signed-byte-8-type simple-array-signed-byte-16-type
- simple-array-signed-byte-30-type simple-array-signed-byte-32-type
- simple-array-single-float-type simple-array-double-float-type
- #!+long-float simple-array-long-float-type
- simple-array-complex-single-float-type
- simple-array-complex-double-float-type
- #!+long-float simple-array-complex-long-float-type)
+ simple-array-widetag simple-string-widetag simple-bit-vector-widetag
+ simple-vector-widetag simple-array-unsigned-byte-2-widetag
+ simple-array-unsigned-byte-4-widetag simple-array-unsigned-byte-8-widetag
+ simple-array-unsigned-byte-16-widetag simple-array-unsigned-byte-32-widetag
+ simple-array-signed-byte-8-widetag simple-array-signed-byte-16-widetag
+ simple-array-signed-byte-30-widetag simple-array-signed-byte-32-widetag
+ simple-array-single-float-widetag simple-array-double-float-widetag
+ #!+long-float simple-array-long-float-widetag
+ simple-array-complex-single-float-widetag
+ simple-array-complex-double-float-widetag
+ #!+long-float simple-array-complex-long-float-widetag)
(def-type-vops arrayp check-array nil object-not-array-error
- simple-array-type simple-string-type simple-bit-vector-type
- simple-vector-type simple-array-unsigned-byte-2-type
- simple-array-unsigned-byte-4-type simple-array-unsigned-byte-8-type
- simple-array-unsigned-byte-16-type simple-array-unsigned-byte-32-type
- simple-array-signed-byte-8-type simple-array-signed-byte-16-type
- simple-array-signed-byte-30-type simple-array-signed-byte-32-type
- simple-array-single-float-type simple-array-double-float-type
- #!+long-float simple-array-long-float-type
- simple-array-complex-single-float-type
- simple-array-complex-double-float-type
- #!+long-float simple-array-complex-long-float-type
- complex-string-type complex-bit-vector-type complex-vector-type
- complex-array-type)
+ simple-array-widetag simple-string-widetag simple-bit-vector-widetag
+ simple-vector-widetag simple-array-unsigned-byte-2-widetag
+ simple-array-unsigned-byte-4-widetag simple-array-unsigned-byte-8-widetag
+ simple-array-unsigned-byte-16-widetag simple-array-unsigned-byte-32-widetag
+ simple-array-signed-byte-8-widetag simple-array-signed-byte-16-widetag
+ simple-array-signed-byte-30-widetag simple-array-signed-byte-32-widetag
+ simple-array-single-float-widetag simple-array-double-float-widetag
+ #!+long-float simple-array-long-float-widetag
+ simple-array-complex-single-float-widetag
+ simple-array-complex-double-float-widetag
+ #!+long-float simple-array-complex-long-float-widetag
+ complex-string-widetag complex-bit-vector-widetag complex-vector-widetag
+ complex-array-widetag)
(def-type-vops numberp check-number nil object-not-number-error
- even-fixnum-type odd-fixnum-type bignum-type ratio-type
- single-float-type double-float-type #!+long-float long-float-type complex-type
- complex-single-float-type complex-double-float-type
- #!+long-float complex-long-float-type)
+ even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag ratio-widetag
+ single-float-widetag double-float-widetag
+ #!+long-float long-float-widetag
+ complex-widetag complex-single-float-widetag complex-double-float-widetag
+ #!+long-float complex-long-float-widetag)
(def-type-vops rationalp check-rational nil object-not-rational-error
- even-fixnum-type odd-fixnum-type ratio-type bignum-type)
+ even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag)
(def-type-vops integerp check-integer nil object-not-integer-error
- even-fixnum-type odd-fixnum-type bignum-type)
+ even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag)
(def-type-vops floatp check-float nil object-not-float-error
- single-float-type double-float-type #!+long-float long-float-type)
+ single-float-widetag double-float-widetag #!+long-float long-float-widetag)
(def-type-vops realp check-real nil object-not-real-error
- even-fixnum-type odd-fixnum-type ratio-type bignum-type
- single-float-type double-float-type #!+long-float long-float-type)
+ even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag
+ single-float-widetag double-float-widetag #!+long-float long-float-widetag)
\f
;;;; other integer ranges
(inst jmp :e yep)
(move eax-tn value)
(inst and al-tn lowtag-mask)
- (inst cmp al-tn other-pointer-type)
+ (inst cmp al-tn other-pointer-lowtag)
(inst jmp :ne nope)
- (loadw eax-tn value 0 other-pointer-type)
- (inst cmp eax-tn (+ (ash 1 type-bits) bignum-type))
+ (loadw eax-tn value 0 other-pointer-lowtag)
+ (inst cmp eax-tn (+ (ash 1 n-widetag-bits) bignum-widetag))
(inst jmp (if not-p :ne :e) target))
NOT-TARGET))
(inst jmp :e yep)
(move eax-tn value)
(inst and al-tn lowtag-mask)
- (inst cmp al-tn other-pointer-type)
+ (inst cmp al-tn other-pointer-lowtag)
(inst jmp :ne nope)
- (loadw eax-tn value 0 other-pointer-type)
- (inst cmp eax-tn (+ (ash 1 type-bits) bignum-type))
+ (loadw eax-tn value 0 other-pointer-lowtag)
+ (inst cmp eax-tn (+ (ash 1 n-widetag-bits) bignum-widetag))
(inst jmp :ne nope))
YEP
(move result value)))
;;; An (unsigned-byte 32) can be represented with either a positive
;;; fixnum, a bignum with exactly one positive digit, or a bignum with
;;; exactly two digits and the second digit all zeros.
-
(define-vop (unsigned-byte-32-p type-predicate)
(:translate unsigned-byte-32-p)
(:generator 45
;; If not, is it an other pointer?
(inst and al-tn lowtag-mask)
- (inst cmp al-tn other-pointer-type)
+ (inst cmp al-tn other-pointer-lowtag)
(inst jmp :ne nope)
;; Get the header.
- (loadw eax-tn value 0 other-pointer-type)
+ (loadw eax-tn value 0 other-pointer-lowtag)
;; Is it one?
- (inst cmp eax-tn (+ (ash 1 type-bits) bignum-type))
+ (inst cmp eax-tn (+ (ash 1 n-widetag-bits) bignum-widetag))
(inst jmp :e single-word)
;; If it's other than two, we can't be an (unsigned-byte 32)
- (inst cmp eax-tn (+ (ash 2 type-bits) bignum-type))
+ (inst cmp eax-tn (+ (ash 2 n-widetag-bits) bignum-widetag))
(inst jmp :ne nope)
;; Get the second digit.
- (loadw eax-tn value (1+ bignum-digits-offset) other-pointer-type)
+ (loadw eax-tn value (1+ bignum-digits-offset) other-pointer-lowtag)
;; All zeros, its an (unsigned-byte 32).
(inst or eax-tn eax-tn)
(inst jmp :z yep)
(emit-label single-word)
;; Get the single digit.
- (loadw eax-tn value bignum-digits-offset other-pointer-type)
+ (loadw eax-tn value bignum-digits-offset other-pointer-lowtag)
;; positive implies (unsigned-byte 32).
(emit-label fixnum)
;; If not, is it an other pointer?
(inst and al-tn lowtag-mask)
- (inst cmp al-tn other-pointer-type)
+ (inst cmp al-tn other-pointer-lowtag)
(inst jmp :ne nope)
;; Get the header.
- (loadw eax-tn value 0 other-pointer-type)
+ (loadw eax-tn value 0 other-pointer-lowtag)
;; Is it one?
- (inst cmp eax-tn (+ (ash 1 type-bits) bignum-type))
+ (inst cmp eax-tn (+ (ash 1 n-widetag-bits) bignum-widetag))
(inst jmp :e single-word)
;; If it's other than two, we can't be an (unsigned-byte 32)
- (inst cmp eax-tn (+ (ash 2 type-bits) bignum-type))
+ (inst cmp eax-tn (+ (ash 2 n-widetag-bits) bignum-widetag))
(inst jmp :ne nope)
;; Get the second digit.
- (loadw eax-tn value (1+ bignum-digits-offset) other-pointer-type)
+ (loadw eax-tn value (1+ bignum-digits-offset) other-pointer-lowtag)
;; All zeros, its an (unsigned-byte 32).
(inst or eax-tn eax-tn)
(inst jmp :z yep)
(emit-label single-word)
;; Get the single digit.
- (loadw eax-tn value bignum-digits-offset other-pointer-type)
+ (loadw eax-tn value bignum-digits-offset other-pointer-lowtag)
;; positive implies (unsigned-byte 32).
(emit-label fixnum)
(let ((is-symbol-label (if not-p drop-thru target)))
(inst cmp value nil-value)
(inst jmp :e is-symbol-label)
- (test-type value target not-p symbol-header-type))
+ (test-type value target not-p symbol-header-widetag))
DROP-THRU))
(define-vop (check-symbol check-type)
(let ((error (generate-error-code vop object-not-symbol-error value)))
(inst cmp value nil-value)
(inst jmp :e drop-thru)
- (test-type value error t symbol-header-type))
+ (test-type value error t symbol-header-widetag))
DROP-THRU
(move result value)))
(let ((is-not-cons-label (if not-p target drop-thru)))
(inst cmp value nil-value)
(inst jmp :e is-not-cons-label)
- (test-type value target not-p list-pointer-type))
+ (test-type value target not-p list-pointer-lowtag))
DROP-THRU))
(define-vop (check-cons check-type)
(let ((error (generate-error-code vop object-not-cons-error value)))
(inst cmp value nil-value)
(inst jmp :e error)
- (test-type value error t list-pointer-type)
+ (test-type value error t list-pointer-lowtag)
(move result value))))
\f
) ; MACROLET