(in-package "SB!VM")
\f
+
+(defun %test-fixnum (value target not-p &key temp)
+ (declare (ignore temp))
+ (assemble ()
+ (inst andcc zero-tn value fixnum-tag-mask)
+ (if (member :sparc-v9 *backend-subfeatures*)
+ (inst b (if not-p :ne :eq) target (if not-p :pn :pt))
+ (inst b (if not-p :ne :eq) target))
+ (inst nop)))
+
+(defun %test-fixnum-and-headers (value target not-p headers
+ &key temp)
+ (let ((drop-through (gen-label)))
+ (assemble ()
+ (inst andcc zero-tn value fixnum-tag-mask)
+ (inst b :eq (if not-p drop-through target)))
+ (%test-headers value target not-p nil headers
+ :drop-through drop-through
+ :temp temp)))
+
+(defun %test-immediate (value target not-p immediate &key temp)
+ (assemble ()
+ (inst and temp value widetag-mask)
+ (inst cmp temp immediate)
+ ;; FIXME: include SPARC-V9 magic
+ (inst b (if not-p :ne :eq) target)
+ (inst nop)))
+
+(defun %test-lowtag (value target not-p lowtag
+ &key temp skip-nop)
+ (assemble ()
+ (inst and temp value lowtag-mask)
+ (inst cmp temp lowtag)
+ ;; FIXME: include SPARC-V9 magic
+ (inst b (if not-p :ne :eq) target)
+ (unless skip-nop
+ (inst nop))))
+
+(defun %test-headers (value target not-p function-p headers
+ &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
+ (values drop-through target)
+ (values target drop-through))
+ (assemble ()
+ (%test-lowtag value when-false t lowtag :temp temp)
+ (load-type temp value (- lowtag))
+ (do ((remaining headers (cdr remaining)))
+ ((null remaining))
+ (let ((header (car remaining))
+ (last (null (cdr remaining))))
+ (cond
+ ((atom header)
+ (cond
+ ((and (not last) (null (cddr remaining))
+ (atom (cadr remaining))
+ (= (logcount (logxor header (cadr remaining))) 1))
+ (inst and temp temp (ldb (byte 8 0) (logeqv header (cadr remaining))))
+ (inst cmp temp (ldb (byte 8 0) (logand header (cadr remaining))))
+ (inst b (if not-p :ne :eq) target)
+ (return))
+ (t
+ (inst cmp temp header)
+ (if last
+ ;; FIXME: Some SPARC-V9 magic might not go amiss
+ ;; here, too, if I can figure out what it should
+ ;; be.
+ (inst b (if not-p :ne :eq) target)
+ (inst b :eq when-true)))))
+ (t
+ (let ((start (car header))
+ (end (cdr header)))
+ ;; FIXME: BIGNUM-WIDETAG here actually means (MIN
+ ;; <widetags>).
+ (cond
+ ;; FIXME: this doesn't catch the {0x2 0x6 0xA 0xE}
+ ;; group
+ ;;
+ ;; also FIXME: exuberant cut'n'paste between
+ ;; backends
+ ((and last (not (= start bignum-widetag))
+ (= (+ start 4) end)
+ (= (logcount (logxor start end)) 1))
+ (inst and temp temp (ldb (byte 8 0) (logeqv start end)))
+ (inst cmp 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 and temp temp (ldb (byte 8 0) (logeqv start (cdadr remaining))))
+ (inst cmp temp (ldb (byte 8 0) (logand start (cdadr remaining))))
+ (inst b (if not-p :ne :eq) target)
+ (return))
+ (t
+ (unless (= start bignum-widetag)
+ (inst cmp temp start)
+ (if (= end complex-array-widetag)
+ (progn
+ (aver last)
+ (inst b (if not-p :lt :ge) target))
+ (inst b :lt when-false)))
+ (unless (= end complex-array-widetag)
+ (inst cmp temp end)
+ (if last
+ (inst b (if not-p :gt :le) target)
+ (inst b :le when-true))))))))))
+ (inst nop)
+ (emit-label drop-through)))))
+
;;;; Simple type checking and testing:
;;;
;;; These types are represented by a single type code, so are easily
(:policy :fast-safe)
(:temporary (:scs (non-descriptor-reg)) temp))
-;;; moved to macros. FIXME.
-;;;(defun cost-to-test-types (type-codes)
-;;; (+ (* 2 (length type-codes))
-;;; (if (> (apply #'max type-codes) lowtag-limit) 7 2)))
-;;;
-;;;(defparameter immediate-types
-;;; (list base-char-type unbound-marker-type))
-;;;
-;;;(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))
-;;;
-;; FIXME: there's a canonicalize-headers in alpha/ and x86/
+(defun cost-to-test-types (type-codes)
+ (+ (* 2 (length type-codes))
+ (if (> (apply #'max type-codes) lowtag-limit) 7 2)))
-(defmacro def-type-vops (pred-name check-name ptype error-code
- &rest type-codes)
- ;;; FIXME: #+sb-xc-host?
+(defmacro !define-type-vops (pred-name check-name ptype error-code
+ (&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 temp target not-p ,@type-codes)))))
- ,@(when check-name
- `((define-vop (,check-name check-type)
- (:generator ,cost
- (let ((err-lab
- (generate-error-code vop ,error-code value)))
- (test-type value temp err-lab t ,@type-codes)
- (move result value))))))
+ `((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 result value))))))
,@(when ptype
- `((primitive-type-vop ,check-name (:check) ,ptype))))))
-
-;;; This is a direct translation of the code in CMUCL
-;;; compiler/sparc/macros.lisp. Don't blame me if it doesn't work.
-
-;;; moved test-type back to macros.lisp, as other bits of code use it
-;;; too. FIXME.
-
-
-
-
-
-;; Don't use this because it uses the deprecated taddcctv instruction.
-#+ignore
-(progn
- (def-type-vops fixnump nil nil nil even-fixnum-lowtag odd-fixnum-lowtag)
- (define-vop (check-fixnum check-type)
- (:ignore temp)
- (:generator 1
- (inst taddcctv result value zero-tn)))
- (primitive-type-vop check-fixnum (:check) fixnum))
-
-;; This avoids the taddcctv instruction
-(def-type-vops fixnump check-fixnum fixnum object-not-fixnum-error
- even-fixnum-lowtag odd-fixnum-lowtag)
-(def-type-vops functionp check-fun function
- object-not-fun-error fun-pointer-lowtag)
-
- ;; The following encode the error type and register in the trap
- ;; instruction, however this breaks on the later sparc Ultra.
- #+ignore
- (progn
- (def-type-vops listp nil nil nil list-pointer-lowtag)
- (define-vop (check-list check-type)
- (:generator 3
- (inst and temp value lowtag-mask)
- (inst cmp temp list-pointer-lowtag)
- (inst t :ne (logior (ash (tn-offset value) 8) object-not-list-trap))
- (move result value)))
- (primitive-type-vop check-list (:check) list)
-
- (def-type-vops %instancep nil nil nil instance-pointer-lowtag)
- (define-vop (check-instance check-type)
- (:generator 3
- (inst and temp value lowtag-mask)
- (inst cmp temp instance-pointer-lowtag)
- (inst t :ne (logior (ash (tn-offset value) 8) object-not-instance-trap))
- (move result value)))
- (primitive-type-vop check-instance (:check) instance))
-
- ;; These avoid the trap instruction.
- (def-type-vops listp check-list list object-not-list-error
- list-pointer-lowtag)
- (def-type-vops %instancep check-instance instance object-not-instance-error
- instance-pointer-lowtag)
-
- (def-type-vops bignump check-bignum bignum
- object-not-bignum-error bignum-widetag)
-
- (def-type-vops ratiop check-ratio ratio
- object-not-ratio-error ratio-widetag)
-
- (def-type-vops complexp check-complex complex object-not-complex-error
- 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-widetag)
-
- (def-type-vops complex-float-p check-complex-float nil
- object-not-complex-float-error
- 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-widetag)
-
- (def-type-vops complex-double-float-p check-complex-double-float
- complex-double-float object-not-complex-double-float-error
- 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-widetag)
-
- (def-type-vops single-float-p check-single-float single-float
- 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-widetag)
-
- #!+long-float
- (def-type-vops long-float-p check-long-float long-float
- 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-widetag)
-
- (def-type-vops simple-bit-vector-p check-simple-bit-vector simple-bit-vector
- 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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-widetag)
-
- (def-type-vops base-char-p check-base-char base-char
- 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-widetag)
-
- (def-type-vops weak-pointer-p check-weak-pointer weak-pointer
- object-not-weak-pointer-error weak-pointer-widetag)
- ;; FIXME
-#|
- (def-type-vops scavenger-hook-p nil nil nil
- 0)
-|#
- (def-type-vops code-component-p nil nil nil
- code-header-widetag)
-
- (def-type-vops lra-p nil nil nil
- return-pc-header-widetag)
-
- (def-type-vops fdefn-p nil nil nil
- fdefn-widetag)
-
- (def-type-vops funcallable-instance-p nil nil nil
- funcallable-instance-header-widetag)
-
- (def-type-vops array-header-p nil nil nil
- simple-array-widetag complex-string-widetag complex-bit-vector-widetag
- complex-vector-widetag complex-array-widetag)
-
- ;; This appears to have disappeared. FIXME -- CSR
- (def-type-vops nil check-fun-or-symbol nil object-not-fun-or-symbol-error
- fun-pointer-lowtag symbol-header-widetag)
-
- (def-type-vops stringp check-string nil object-not-string-error
- simple-string-widetag complex-string-widetag)
-
- (def-type-vops bit-vector-p check-bit-vector nil object-not-bit-vector-error
- simple-bit-vector-widetag complex-bit-vector-widetag)
-
- (def-type-vops vectorp check-vector nil object-not-vector-error
- 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)
-
-(def-type-vops complex-vector-p check-complex-vector nil object-not-complex-vector-error
- complex-vector-widetag)
-
- (def-type-vops simple-array-p check-simple-array nil object-not-simple-array-error
- 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-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-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-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag)
-
- (def-type-vops integerp check-integer nil object-not-integer-error
- even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag)
-
- (def-type-vops floatp check-float nil object-not-float-error
- single-float-widetag double-float-widetag #!+long-float long-float-widetag)
-
- (def-type-vops realp check-real nil object-not-real-error
- even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag
- single-float-widetag double-float-widetag #!+long-float long-float-widetag)
+ `((primitive-type-vop ,check-name (:check) ,ptype))))))
- \f
+\f
;;;; Other integer ranges.
;; A (signed-byte 32) can be represented with either fixnum or a
;; bignum with exactly one digit.
- (define-vop (signed-byte-32-p type-predicate)
+(define-vop (signed-byte-32-p type-predicate)
(:translate signed-byte-32-p)
(:generator 45
- (let ((not-target (gen-label)))
- (multiple-value-bind
- (yep nope)
- (if not-p
- (values not-target target)
- (values target not-target))
- (inst andcc zero-tn value #x3)
- (inst b :eq yep)
- (test-type value temp nope t other-pointer-lowtag)
- (loadw temp value 0 other-pointer-lowtag)
- (inst cmp temp (+ (ash 1 n-widetag-bits)
- bignum-widetag))
- (inst b (if not-p :ne :eq) target)
- (inst nop)
- (emit-label not-target)))))
-
- (define-vop (check-signed-byte-32 check-type)
+ (let ((not-target (gen-label)))
+ (multiple-value-bind
+ (yep nope)
+ (if not-p
+ (values not-target target)
+ (values target not-target))
+ (inst andcc zero-tn value fixnum-tag-mask)
+ (inst b :eq yep)
+ (test-type value nope t (other-pointer-lowtag) :temp temp)
+ (loadw temp value 0 other-pointer-lowtag)
+ (inst cmp temp (+ (ash 1 n-widetag-bits)
+ bignum-widetag))
+ (inst b (if not-p :ne :eq) target)
+ (inst nop)
+ (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 andcc temp value #x3)
- (inst b :eq yep)
- (test-type value temp nope t other-pointer-lowtag)
- (loadw temp value 0 other-pointer-lowtag)
- (inst cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
- (inst b :ne nope)
- (inst nop)
- (emit-label yep)
- (move result value))))
+ (let ((nope (generate-error-code vop object-not-signed-byte-32-error value))
+ (yep (gen-label)))
+ (inst andcc temp value fixnum-tag-mask)
+ (inst b :eq yep)
+ (test-type value nope t (other-pointer-lowtag) :temp temp)
+ (loadw temp value 0 other-pointer-lowtag)
+ (inst cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
+ (inst b :ne nope)
+ (inst nop)
+ (emit-label yep)
+ (move result value))))
;; An (unsigned-byte 32) can be represented with either a
;; a bignum with exactly two digits and the second digit all
;; zeros.
- (define-vop (unsigned-byte-32-p type-predicate)
+(define-vop (unsigned-byte-32-p type-predicate)
(:translate unsigned-byte-32-p)
(:generator 45
- (let ((not-target (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 andcc temp value #x3)
- (inst b :eq fixnum)
- (inst cmp value)
-
- ;; If not, is it an other pointer?
- (test-type value temp nope t other-pointer-lowtag)
- ;; Get the header.
- (loadw temp value 0 other-pointer-lowtag)
- ;; Is it one?
- (inst cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
- (inst b :eq single-word)
- ;; If it's other than two, we can't be an
- ;; (unsigned-byte 32)
- (inst cmp temp (+ (ash 2 n-widetag-bits) bignum-widetag))
- (inst b :ne nope)
- ;; Get the second digit.
- (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
- ;; All zeros, its an (unsigned-byte 32).
- (inst cmp temp)
- (inst b :eq yep)
- (inst nop)
- ;; Otherwise, it isn't.
- (inst b nope)
- (inst nop)
-
- (emit-label single-word)
- ;; Get the single digit.
- (loadw temp value bignum-digits-offset other-pointer-lowtag)
- (inst cmp temp)
-
- ;; positive implies (unsigned-byte 32).
- (emit-label fixnum)
- (inst b (if not-p :lt :ge) target)
- (inst nop)
-
- (emit-label not-target)))))
-
- (define-vop (check-unsigned-byte-32 check-type)
+ (let ((not-target (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 andcc temp value fixnum-tag-mask)
+ (inst b :eq fixnum)
+ (inst cmp value)
+
+ ;; 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 cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
+ (inst b :eq single-word)
+ ;; If it's other than two, we can't be an
+ ;; (unsigned-byte 32)
+ (inst cmp temp (+ (ash 2 n-widetag-bits) bignum-widetag))
+ (inst b :ne nope)
+ ;; Get the second digit.
+ (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
+ ;; All zeros, its an (unsigned-byte 32).
+ (inst cmp temp)
+ (inst b :eq yep)
+ (inst nop)
+ ;; Otherwise, it isn't.
+ (inst b nope)
+ (inst nop)
+
+ (emit-label single-word)
+ ;; Get the single digit.
+ (loadw temp value bignum-digits-offset other-pointer-lowtag)
+ (inst cmp temp)
+
+ ;; positive implies (unsigned-byte 32).
+ (emit-label fixnum)
+ (inst b (if not-p :lt :ge) target)
+ (inst nop)
+
+ (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)))
- ;; Is it a fixnum?
- (inst andcc temp value #x3)
- (inst b :eq fixnum)
- (inst cmp value)
-
- ;; If not, is it an other pointer?
- (test-type value temp nope t other-pointer-lowtag)
- ;; Get the number of digits.
- (loadw temp value 0 other-pointer-lowtag)
- ;; Is it one?
- (inst cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
- (inst b :eq single-word)
- ;; If it's other than two, we can't be an (unsigned-byte 32)
- (inst cmp temp (+ (ash 2 n-widetag-bits) bignum-widetag))
- (inst b :ne nope)
- ;; Get the second digit.
- (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
- ;; All zeros, its an (unsigned-byte 32).
- (inst cmp temp)
- (inst b :eq yep)
- ;; Otherwise, it isn't.
- (inst b :ne nope)
- (inst nop)
-
- (emit-label single-word)
- ;; Get the single digit.
- (loadw temp value bignum-digits-offset other-pointer-lowtag)
- ;; positive implies (unsigned-byte 32).
- (inst cmp temp)
-
- (emit-label fixnum)
- (inst b :lt nope)
- (inst nop)
-
- (emit-label yep)
- (move result value))))
+ (let ((nope
+ (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 andcc temp value fixnum-tag-mask)
+ (inst b :eq fixnum)
+ (inst cmp value)
+
+ ;; If not, is it an other pointer?
+ (test-type value nope t (other-pointer-lowtag) :temp temp)
+ ;; Get the number of digits.
+ (loadw temp value 0 other-pointer-lowtag)
+ ;; Is it one?
+ (inst cmp temp (+ (ash 1 n-widetag-bits) bignum-widetag))
+ (inst b :eq single-word)
+ ;; If it's other than two, we can't be an (unsigned-byte 32)
+ (inst cmp temp (+ (ash 2 n-widetag-bits) bignum-widetag))
+ (inst b :ne nope)
+ ;; Get the second digit.
+ (loadw temp value (1+ bignum-digits-offset) other-pointer-lowtag)
+ ;; All zeros, its an (unsigned-byte 32).
+ (inst cmp temp)
+ (inst b :eq yep)
+ ;; Otherwise, it isn't.
+ (inst b :ne nope)
+ (inst nop)
+
+ (emit-label single-word)
+ ;; Get the single digit.
+ (loadw temp value bignum-digits-offset other-pointer-lowtag)
+ ;; positive implies (unsigned-byte 32).
+ (inst cmp temp)
+
+ (emit-label fixnum)
+ (inst b :lt nope)
+ (inst nop)
+
+ (emit-label yep)
+ (move result value))))
\f
;; symbolp (or symbol (eq nil))
;; consp (and list (not (eq nil)))
-
- (define-vop (symbolp type-predicate)
+
+(define-vop (symbolp type-predicate)
(:translate symbolp)
(:generator 12
- (let* ((drop-thru (gen-label))
- (is-symbol-label (if not-p drop-thru target)))
- (inst cmp value null-tn)
- (inst b :eq is-symbol-label)
- (test-type value temp target not-p symbol-header-widetag)
- (emit-label drop-thru))))
-
- (define-vop (check-symbol check-type)
+ (let* ((drop-thru (gen-label))
+ (is-symbol-label (if not-p drop-thru target)))
+ (inst cmp value null-tn)
+ (inst b :eq is-symbol-label)
+ (test-type value target not-p (symbol-header-widetag) :temp temp)
+ (emit-label drop-thru))))
+
+(define-vop (check-symbol check-type)
(:generator 12
- (let ((drop-thru (gen-label))
- (error (generate-error-code vop object-not-symbol-error value)))
- (inst cmp value null-tn)
- (inst b :eq drop-thru)
- (test-type value temp error t symbol-header-widetag)
- (emit-label drop-thru)
- (move result value))))
-
- (define-vop (consp type-predicate)
+ (let ((drop-thru (gen-label))
+ (error (generate-error-code vop object-not-symbol-error value)))
+ (inst cmp value null-tn)
+ (inst b :eq 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)))
- (inst cmp value null-tn)
- (inst b :eq is-not-cons-label)
- (test-type value temp target not-p list-pointer-lowtag)
- (emit-label drop-thru))))
-
- (define-vop (check-cons check-type)
+ (let* ((drop-thru (gen-label))
+ (is-not-cons-label (if not-p target drop-thru)))
+ (inst cmp value null-tn)
+ (inst b :eq is-not-cons-label)
+ (test-type value target not-p (list-pointer-lowtag) :temp temp)
+ (emit-label drop-thru))))
+
+(define-vop (check-cons check-type)
(:generator 8
- (let ((error (generate-error-code vop object-not-cons-error value)))
- (inst cmp value null-tn)
- (inst b :eq error)
- (test-type value temp error t list-pointer-lowtag)
- (move result value))))
+ (let ((error (generate-error-code vop object-not-cons-error value)))
+ (inst cmp value null-tn)
+ (inst b :eq error)
+ (test-type value error t (list-pointer-lowtag) :temp temp)
+ (move result value))))
projects / sbcl.git / blobdiff