(inst and value fixnum-tag-mask temp)
(inst beq temp (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 and value 255 temp)
(inst xor temp immediate temp)
(if not-p
- (inst bne temp target)
- (inst beq temp target))))
+ (inst bne temp target)
+ (inst beq temp target))))
(defun %test-lowtag (value target not-p lowtag &key temp)
(assemble ()
(inst and value lowtag-mask temp)
(inst xor temp lowtag temp)
(if not-p
- (inst bne temp target)
- (inst beq temp target))))
+ (inst bne temp target)
+ (inst beq temp target))))
(defun %test-headers (value target not-p function-p headers
- &key (drop-through (gen-label)) temp)
+ &key (drop-through (gen-label)) temp)
(let ((lowtag (if function-p fun-pointer-lowtag other-pointer-lowtag)))
(multiple-value-bind
- (when-true when-false)
- ;; WHEN-TRUE and WHEN-FALSE are the labels to branch to when
- ;; we know it's true and when we know it's false respectively.
- (if not-p
- (values drop-through target)
- (values target drop-through))
+ (when-true when-false)
+ ;; WHEN-TRUE and WHEN-FALSE are the labels to branch to when
+ ;; we know it's true and when we know it's false respectively.
+ (if not-p
+ (values drop-through target)
+ (values target drop-through))
(assemble ()
- (%test-lowtag value when-false t lowtag :temp temp)
- (load-type temp value (- lowtag))
- (let ((delta 0))
- (do ((remaining headers (cdr remaining)))
- ((null remaining))
- (let ((header (car remaining))
- (last (null (cdr remaining))))
- (cond
- ((atom header)
- (inst subq temp (- header delta) temp)
- (setf delta header)
- (if last
- (if not-p
- (inst bne temp target)
- (inst beq temp target))
- (inst beq temp when-true)))
- (t
- (let ((start (car header))
- (end (cdr header)))
- (unless (= start bignum-widetag)
- (inst subq temp (- start delta) temp)
- (setf delta start)
- (inst blt temp when-false))
- (inst subq temp (- end delta) temp)
- (setf delta end)
- (if last
- (if not-p
- (inst bgt temp target)
- (inst ble temp target))
- (inst ble temp when-true))))))))
- (emit-label drop-through)))))
+ (%test-lowtag value when-false t lowtag :temp temp)
+ (load-type temp value (- lowtag))
+ (let ((delta 0))
+ (do ((remaining headers (cdr remaining)))
+ ((null remaining))
+ (let ((header (car remaining))
+ (last (null (cdr remaining))))
+ (cond
+ ((atom header)
+ (inst subq temp (- header delta) temp)
+ (setf delta header)
+ (if last
+ (if not-p
+ (inst bne temp target)
+ (inst beq temp target))
+ (inst beq temp when-true)))
+ (t
+ (let ((start (car header))
+ (end (cdr header)))
+ (unless (= start bignum-widetag)
+ (inst subq temp (- start delta) temp)
+ (setf delta start)
+ (inst blt temp when-false))
+ (inst subq temp (- end delta) temp)
+ (setf delta end)
+ (if last
+ (if not-p
+ (inst bgt temp target)
+ (inst ble temp target))
+ (inst ble temp when-true))))))))
+ (emit-label drop-through)))))
\f
;;;; Type checking and testing:
(if (> (apply #'max type-codes) lowtag-limit) 7 2)))
(defmacro !define-type-vops (pred-name check-name ptype error-code
- (&rest type-codes)
- &key &allow-other-keys)
+ (&rest type-codes)
+ &key &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
- (let ((err-lab
- (generate-error-code vop ,error-code value)))
- (test-type value err-lab t (,@type-codes) :temp temp)
- (move value result))))))
+ `((define-vop (,check-name check-type)
+ (:generator ,cost
+ (let ((err-lab
+ (generate-error-code vop ,error-code value)))
+ (test-type value err-lab t (,@type-codes) :temp temp)
+ (move value result))))))
,@(when ptype
- `((primitive-type-vop ,check-name (:check) ,ptype))))))
+ `((primitive-type-vop ,check-name (:check) ,ptype))))))
\f
;;;; Other integer ranges.
(multiple-value-bind
(yep nope)
(if not-p
- (values not-target target)
- (values target not-target))
+ (values not-target target)
+ (values target not-target))
(assemble ()
(inst and value fixnum-tag-mask temp)
(inst beq temp yep)
(inst li (+ (ash 1 n-widetag-bits) bignum-widetag) temp1)
(inst xor temp temp1 temp)
(if not-p
- (inst bne temp target)
- (inst beq temp target))))
+ (inst bne temp target)
+ (inst beq temp target))))
(values))
(define-vop (signed-byte-32-p type-predicate)
(:temporary (:scs (non-descriptor-reg)) temp1)
(:generator 45
(let ((loose (generate-error-code vop object-not-signed-byte-32-error
- value)))
+ value)))
(signed-byte-32-test value temp temp1 t loose okay))
OKAY
(move value result)))
(defun unsigned-byte-32-test (value temp temp1 not-p target not-target)
(multiple-value-bind (yep nope)
- (if not-p
- (values not-target target)
- (values target not-target))
+ (if not-p
+ (values not-target target)
+ (values target not-target))
(assemble ()
;; Is it a fixnum?
(inst and value fixnum-tag-mask temp1)
(inst beq temp single-word)
;; If it's other than two, we can't be an (unsigned-byte 32)
(inst li (logxor (+ (ash 1 n-widetag-bits) bignum-widetag)
- (+ (ash 2 n-widetag-bits) bignum-widetag))
- temp1)
+ (+ (ash 2 n-widetag-bits) bignum-widetag))
+ temp1)
(inst xor temp temp1 temp)
(inst bne temp nope)
;; Get the second digit.
;; All zeros, its an (unsigned-byte 32).
(inst beq temp yep)
(inst br zero-tn nope)
-
+
SINGLE-WORD
;; Get the single digit.
(loadw temp value bignum-digits-offset other-pointer-lowtag)
;; positive implies (unsigned-byte 32).
FIXNUM
(if not-p
- (inst blt temp target)
- (inst bge temp target))))
+ (inst blt temp target)
+ (inst bge temp target))))
(values))
(define-vop (unsigned-byte-32-p type-predicate)
(:temporary (:scs (non-descriptor-reg)) temp1)
(:generator 45
(let ((loose (generate-error-code vop object-not-unsigned-byte-32-error
- value)))
+ value)))
(unsigned-byte-32-test value temp temp1 t loose okay))
OKAY
(move value result)))
\f
;;;; List/symbol types:
-;;;
+;;;
;;; symbolp (or symbol (eq nil))
;;; consp (and list (not (eq nil)))
(test-type value error t (symbol-header-widetag) :temp temp))
DROP-THRU
(move value result)))
-
+
(define-vop (consp type-predicate)
(:translate consp)
(:temporary (:scs (non-descriptor-reg)) temp)
projects / sbcl.git / blobdiff