\f
(defun %test-fixnum (value target not-p &key temp)
(assemble ()
- ;; FIXME: again, this 3 should be FIXNUM-MASK
- (inst andi. temp value 3)
+ (inst andi. temp value fixnum-tag-mask)
(inst b? (if not-p :ne :eq) target)))
(defun %test-fixnum-and-headers (value target not-p headers &key temp)
(let ((drop-through (gen-label)))
(assemble ()
- (inst andi. temp value 3)
+ (inst andi. temp value fixnum-tag-mask)
(inst beq (if not-p drop-through target)))
(%test-headers value target not-p nil headers
- :drop-through drop-through :temp temp)))
+ :drop-through drop-through :temp temp)))
(defun %test-immediate (value target not-p immediate &key temp)
(assemble ()
(inst b? (if not-p :ne :eq) target)))
(defun %test-headers (value target not-p function-p headers
- &key temp (drop-through (gen-label)))
+ &key temp (drop-through (gen-label)))
(let ((lowtag (if function-p fun-pointer-lowtag other-pointer-lowtag)))
(multiple-value-bind (when-true when-false)
(if not-p
(last (null (cdr remaining))))
(cond
((atom header)
- (cond
- ((and (not last) (null (cddr remaining))
- (atom (cadr remaining))
- (= (logcount (logxor header (cadr remaining))) 1))
- (inst andi. temp temp (ldb (byte 8 0) (logeqv header (cadr remaining))))
- (inst cmpwi temp (ldb (byte 8 0) (logand header (cadr remaining))))
- (inst b? (if not-p :ne :eq) target)
- (return))
- (t
- (inst cmpwi temp header)
- (if last
- (inst b? (if not-p :ne :eq) target)
- (inst beq when-true)))))
+ (cond
+ ((and (not last) (null (cddr remaining))
+ (atom (cadr remaining))
+ (= (logcount (logxor header (cadr remaining))) 1))
+ (inst andi. temp temp (ldb (byte 8 0) (logeqv header (cadr remaining))))
+ (inst cmpwi temp (ldb (byte 8 0) (logand header (cadr remaining))))
+ (inst b? (if not-p :ne :eq) target)
+ (return))
+ (t
+ (inst cmpwi temp header)
+ (if last
+ (inst b? (if not-p :ne :eq) target)
+ (inst beq when-true)))))
(t
(let ((start (car header))
(end (cdr header)))
- (cond
- ((and last (not (= start bignum-widetag))
- (= (+ start 4) end)
- (= (logcount (logxor start end)) 1))
- (inst andi. temp temp (ldb (byte 8 0) (logeqv start end)))
- (inst cmpwi temp (ldb (byte 8 0) (logand start end)))
- (inst b? (if not-p :ne :eq) target))
- ((and (not last) (null (cddr remaining))
- (= (+ start 4) end) (= (logcount (logxor start end)) 1)
- (listp (cadr remaining))
- (= (+ (caadr remaining) 4) (cdadr remaining))
- (= (logcount (logxor (caadr remaining) (cdadr remaining))) 1)
- (= (logcount (logxor (caadr remaining) start)) 1))
- (inst andi. temp temp (ldb (byte 8 0) (logeqv start (cdadr remaining))))
- (inst cmpwi temp (ldb (byte 8 0) (logand start (cdadr remaining))))
- (inst b? (if not-p :ne :eq) target)
- (return))
- (t
- (unless (= start bignum-widetag)
- (inst cmpwi temp start)
- (if (= end complex-array-widetag)
- (progn
- (aver last)
- (inst b? (if not-p :lt :ge) target))
- (inst blt when-false)))
- (unless (= end complex-array-widetag)
- (inst cmpwi temp end)
- (if last
- (inst b? (if not-p :gt :le) target)
- (inst ble when-true))))))))))
+ (cond
+ ((and last (not (= start bignum-widetag))
+ (= (+ start 4) end)
+ (= (logcount (logxor start end)) 1))
+ (inst andi. temp temp (ldb (byte 8 0) (logeqv start end)))
+ (inst cmpwi temp (ldb (byte 8 0) (logand start end)))
+ (inst b? (if not-p :ne :eq) target))
+ ((and (not last) (null (cddr remaining))
+ (= (+ start 4) end) (= (logcount (logxor start end)) 1)
+ (listp (cadr remaining))
+ (= (+ (caadr remaining) 4) (cdadr remaining))
+ (= (logcount (logxor (caadr remaining) (cdadr remaining))) 1)
+ (= (logcount (logxor (caadr remaining) start)) 1))
+ (inst andi. temp temp (ldb (byte 8 0) (logeqv start (cdadr remaining))))
+ (inst cmpwi temp (ldb (byte 8 0) (logand start (cdadr remaining))))
+ (inst b? (if not-p :ne :eq) target)
+ (return))
+ (t
+ (unless (= start bignum-widetag)
+ (inst cmpwi temp start)
+ (if (= end complex-array-widetag)
+ (progn
+ (aver last)
+ (inst b? (if not-p :lt :ge) target))
+ (inst blt when-false)))
+ (unless (= end complex-array-widetag)
+ (inst cmpwi temp end)
+ (if last
+ (inst b? (if not-p :gt :le) target)
+ (inst ble when-true))))))))))
(emit-label drop-through)))))
;;; Simple type checking and testing:
(defun cost-to-test-types (type-codes)
(+ (* 2 (length type-codes))
(if (> (apply #'max type-codes) lowtag-limit) 7 2)))
-
+
(defmacro !define-type-vops (pred-name check-name ptype error-code
- (&rest type-codes)
- ;; KLUDGE: ideally, the compiler could
- ;; derive that it can use the sneaky trap
- ;; twice mechanism itself. However, one
- ;; thing at a time...
- &key mask &allow-other-keys)
+ (&rest type-codes)
+ ;; KLUDGE: ideally, the compiler could
+ ;; derive that it can use the sneaky trap
+ ;; twice mechanism itself. However, one
+ ;; thing at a time...
+ &key mask &allow-other-keys)
(let ((cost (cost-to-test-types (mapcar #'eval type-codes))))
`(progn
,@(when pred-name
- `((define-vop (,pred-name type-predicate)
- (:translate ,pred-name)
- (:generator ,cost
- (test-type value target not-p (,@type-codes) :temp temp)))))
+ `((define-vop (,pred-name type-predicate)
+ (:translate ,pred-name)
+ (:generator ,cost
+ (test-type value target not-p (,@type-codes) :temp temp)))))
,@(when check-name
- `((define-vop (,check-name check-type)
- (:generator ,cost
- ,@(if mask
- `((inst andi. temp value ,mask)
- (inst twi 0 value (error-number-or-lose ',error-code))
- (inst twi :ne temp ,@(if ;; KLUDGE: At
- ;; present, MASK is
- ;; 3 or LOWTAG-MASK
- (eql mask 3)
- ;; KLUDGE
- `(0)
- type-codes))
- (move result value))
- `((let ((err-lab
- (generate-error-code vop ,error-code value)))
- (test-type value err-lab t (,@type-codes) :temp temp)
- (move result value))))))))
+ `((define-vop (,check-name check-type)
+ (:generator ,cost
+ ,@(if mask
+ `((inst andi. temp value ,mask)
+ (inst twi 0 value (error-number-or-lose ',error-code))
+ (inst twi :ne temp ,@(ecase mask
+ ((fixnum-tag-mask) `(0))
+ ((lowtag-mask) type-codes)))
+ (move result value))
+ `((let ((err-lab
+ (generate-error-code vop ',error-code value)))
+ (test-type value err-lab t (,@type-codes) :temp temp)
+ (move result value))))))))
,@(when ptype
- `((primitive-type-vop ,check-name (:check) ,ptype))))))
+ `((primitive-type-vop ,check-name (:check) ,ptype))))))
\f
;;;; Other integer ranges.
(:generator 45
(let ((not-target (gen-label)))
(multiple-value-bind
- (yep nope)
- (if not-p
- (values not-target target)
- (values target not-target))
- (inst andi. temp value #x3)
- (inst beq yep)
- (test-type value nope t (other-pointer-lowtag) :temp temp)
- (loadw temp value 0 other-pointer-lowtag)
- (inst cmpwi temp (+ (ash 1 n-widetag-bits)
- bignum-widetag))
- (inst b? (if not-p :ne :eq) target)
- (emit-label not-target)))))
+ (yep nope)
+ (if not-p
+ (values not-target target)
+ (values target not-target))
+ (inst andi. temp value fixnum-tag-mask)
+ (inst beq yep)
+ (test-type value nope t (other-pointer-lowtag) :temp temp)
+ (loadw temp value 0 other-pointer-lowtag)
+ (inst cmpwi temp (+ (ash 1 n-widetag-bits)
+ bignum-widetag))
+ (inst b? (if not-p :ne :eq) target)
+ (emit-label not-target)))))
(define-vop (check-signed-byte-32 check-type)
(:generator 45
- (let ((nope (generate-error-code vop object-not-signed-byte-32-error value))
- (yep (gen-label)))
- (inst andi. temp value #x3)
+ (let ((nope (generate-error-code vop 'object-not-signed-byte-32-error value))
+ (yep (gen-label)))
+ (inst andi. temp value fixnum-tag-mask)
(inst beq yep)
(test-type value nope t (other-pointer-lowtag) :temp temp)
(loadw temp value 0 other-pointer-lowtag)
(:translate unsigned-byte-32-p)
(:generator 45
(let ((not-target (gen-label))
- (single-word (gen-label))
- (fixnum (gen-label)))
+ (single-word (gen-label))
+ (fixnum (gen-label)))
(multiple-value-bind
- (yep nope)
- (if not-p
- (values not-target target)
- (values target not-target))
- ;; Is it a fixnum?
- (inst andi. temp value #x3)
+ (yep nope)
+ (if not-p
+ (values not-target target)
+ (values target not-target))
+ ;; Is it a fixnum?
+ (inst andi. temp value fixnum-tag-mask)
(inst cmpwi :cr1 value 0)
(inst beq fixnum)
- ;; If not, is it an other pointer?
- (test-type value nope t (other-pointer-lowtag) :temp temp)
- ;; Get the header.
- (loadw temp value 0 other-pointer-lowtag)
- ;; Is it one?
- (inst cmpwi temp (+ (ash 1 n-widetag-bits) bignum-widetag))
- (inst beq single-word)
- ;; If it's other than two, we can't be an (unsigned-byte 32)
- (inst cmpwi temp (+ (ash 2 n-widetag-bits) bignum-widetag))
- (inst bne nope)
- ;; Get the second digit.
- (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
- ;; All zeros, its an (unsigned-byte 32).
- (inst cmpwi temp 0)
- (inst beq yep)
- ;; Otherwise, it isn't.
- (inst b nope)
-
- (emit-label single-word)
- ;; Get the single digit.
- (loadw temp value bignum-digits-offset other-pointer-lowtag)
- (inst cmpwi :cr1 temp 0)
-
- ;; positive implies (unsigned-byte 32).
- (emit-label fixnum)
- (inst b? :cr1 (if not-p :lt :ge) target)
-
- (emit-label not-target)))))
+ ;; If not, is it an other pointer?
+ (test-type value nope t (other-pointer-lowtag) :temp temp)
+ ;; Get the header.
+ (loadw temp value 0 other-pointer-lowtag)
+ ;; Is it one?
+ (inst cmpwi temp (+ (ash 1 n-widetag-bits) bignum-widetag))
+ (inst beq single-word)
+ ;; If it's other than two, we can't be an (unsigned-byte 32)
+ (inst cmpwi temp (+ (ash 2 n-widetag-bits) bignum-widetag))
+ (inst bne nope)
+ ;; Get the second digit.
+ (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
+ ;; All zeros, its an (unsigned-byte 32).
+ (inst cmpwi temp 0)
+ (inst beq yep)
+ ;; Otherwise, it isn't.
+ (inst b nope)
+
+ (emit-label single-word)
+ ;; Get the single digit.
+ (loadw temp value bignum-digits-offset other-pointer-lowtag)
+ (inst cmpwi :cr1 temp 0)
+
+ ;; positive implies (unsigned-byte 32).
+ (emit-label fixnum)
+ (inst b? :cr1 (if not-p :lt :ge) target)
+
+ (emit-label not-target)))))
(define-vop (check-unsigned-byte-32 check-type)
(:generator 45
(let ((nope
- (generate-error-code vop object-not-unsigned-byte-32-error value))
- (yep (gen-label))
- (fixnum (gen-label))
- (single-word (gen-label)))
+ (generate-error-code vop 'object-not-unsigned-byte-32-error value))
+ (yep (gen-label))
+ (fixnum (gen-label))
+ (single-word (gen-label)))
;; Is it a fixnum?
- (inst andi. temp value #x3)
+ (inst andi. temp value fixnum-tag-mask)
(inst cmpwi :cr1 value 0)
(inst beq fixnum)
(inst beq yep)
;; Otherwise, it isn't.
(inst b nope)
-
+
(emit-label single-word)
;; Get the single digit.
(loadw temp value bignum-digits-offset other-pointer-lowtag)
;; positive implies (unsigned-byte 32).
(inst cmpwi :cr1 temp 0)
-
+
(emit-label fixnum)
(inst blt :cr1 nope)
-
+
(emit-label yep)
(move result value))))
\f
;;;; List/symbol types:
-;;;
+;;;
;;; symbolp (or symbol (eq nil))
;;; consp (and list (not (eq nil)))
(:translate symbolp)
(:generator 12
(let* ((drop-thru (gen-label))
- (is-symbol-label (if not-p drop-thru target)))
+ (is-symbol-label (if not-p drop-thru target)))
(inst cmpw value null-tn)
(inst beq is-symbol-label)
(test-type value target not-p (symbol-header-widetag) :temp temp)
(define-vop (check-symbol check-type)
(:generator 12
(let ((drop-thru (gen-label))
- (error (generate-error-code vop object-not-symbol-error value)))
+ (error (generate-error-code vop 'object-not-symbol-error value)))
(inst cmpw value null-tn)
(inst beq drop-thru)
(test-type value error t (symbol-header-widetag) :temp temp)
(emit-label drop-thru)
(move result value))))
-
+
(define-vop (consp type-predicate)
(:translate consp)
(:generator 8
(let* ((drop-thru (gen-label))
- (is-not-cons-label (if not-p target drop-thru)))
+ (is-not-cons-label (if not-p target drop-thru)))
(inst cmpw value null-tn)
(inst beq is-not-cons-label)
(test-type value target not-p (list-pointer-lowtag) :temp temp)
(define-vop (check-cons check-type)
(:generator 8
- (let ((error (generate-error-code vop object-not-cons-error value)))
+ (let ((error (generate-error-code vop 'object-not-cons-error value)))
(inst cmpw value null-tn)
(inst beq error)
(test-type value error t (list-pointer-lowtag) :temp temp)
projects / sbcl.git / blobdiff