,@body)))
\f
-;;;; Type testing noise.
-
-;;; GEN-RANGE-TEST -- internal
-;;;
-;;; Generate code that branches to TARGET iff REG contains one of VALUES.
-;;; If NOT-P is true, invert the test. Jumping to NOT-TARGET is the same
-;;; as falling out the bottom.
-;;;
-
-#|
-(defun gen-range-test (reg target not-target not-p min seperation max values)
- (let ((tests nil)
- (start nil)
- (end nil)
- (insts nil))
- (multiple-value-bind (equal less-or-equal greater-or-equal label)
- (if not-p
- (values :ne :gt :lt not-target)
- (values :eq :le :ge target))
- (flet ((emit-test ()
- (if (= start end)
- (push start tests)
- (push (cons start end) tests))))
- (dolist (value values)
- (cond ((< value min)
- (error "~S is less than the specified minimum of ~S"
- value min))
- ((> value max)
- (error "~S is greater than the specified maximum of ~S"
- value max))
- ((not (zerop (rem (- value min) seperation)))
- (error "~S isn't an even multiple of ~S from ~S"
- value seperation min))
- ((null start)
- (setf start value))
- ((> value (+ end seperation))
- (emit-test)
- (setf start value)))
- (setf end value))
- (emit-test))
- (macrolet ((inst (name &rest args)
- `(push (list 'inst ',name ,@args) insts)))
- (do ((remaining (nreverse tests) (cdr remaining)))
- ((null remaining))
- (let ((test (car remaining))
- (last (null (cdr remaining))))
- (if (atom test)
- (progn
- (inst cmpwi reg test)
- (if last
- (inst b? equal target)
- (inst beq label)))
- (let ((start (car test))
- (end (cdr test)))
- (cond ((and (= start min) (= end max))
- (warn "The values ~S cover the entire range from ~
- ~S to ~S [step ~S]."
- values min max seperation)
- (push `(unless ,not-p (inst b ,target)) insts))
- ((= start min)
- (inst cmpwi reg end)
- (if last
- (inst b? less-or-equal target)
- (inst ble label)))
- ((= end max)
- (inst cmpwi reg start)
- (if last
- (inst b? greater-or-equal target)
- (inst bge label)))
- (t
- (inst cmpwi reg start)
- (inst blt (if not-p target not-target))
- (inst cmpwi reg end)
- (if last
- (inst b? less-or-equal target)
- (inst ble label))))))))))
- (nreverse insts)))
-
-(defun gen-other-immediate-test (reg target not-target not-p values)
- (gen-range-test reg target not-target not-p
- (+ other-immediate-0-lowtag lowtag-limit)
- (- other-immediate-1-lowtag other-immediate-0-lowtag)
- (ash 1 n-widetag-bits)
- values))
-
-
-(defun test-type-aux (reg temp target not-target not-p lowtags immed hdrs
- function-p)
- (let* ((fixnump (and (member even-fixnum-lowtag lowtags :test #'eql)
- (member odd-fixnum-lowtag lowtags :test #'eql)))
- (lowtags (sort (if fixnump
- (delete even-fixnum-lowtag
- (remove odd-fixnum-lowtag lowtags
- :test #'eql)
- :test #'eql)
- (copy-list lowtags))
- #'<))
- (lowtag (if function-p
- sb!vm:fun-pointer-lowtag
- sb!vm:other-pointer-lowtag))
- (hdrs (sort (copy-list hdrs) #'<))
- (immed (sort (copy-list immed) #'<)))
- (append
- (when immed
- `((inst andi. ,temp ,reg widetag-mask)
- ,@(if (or fixnump lowtags hdrs)
- (let ((fall-through (gensym)))
- `((let (,fall-through (gen-label))
- ,@(gen-other-immediate-test
- temp (if not-p not-target target)
- fall-through nil immed)
- (emit-label ,fall-through))))
- (gen-other-immediate-test temp target not-target not-p immed))))
- (when fixnump
- `((inst andi. ,temp ,reg 3)
- ,(if (or lowtags hdrs)
- `(inst beq ,(if not-p not-target target))
- `(inst b? ,(if not-p :ne :eq) ,target))))
- (when (or lowtags hdrs)
- `((inst andi. ,temp ,reg lowtag-mask)))
- (when lowtags
- (if hdrs
- (let ((fall-through (gensym)))
- `((let ((,fall-through (gen-label)))
- ,@(gen-range-test temp (if not-p not-target target)
- fall-through nil
- 0 1 (1- lowtag-limit) lowtags)
- (emit-label ,fall-through))))
- (gen-range-test temp target not-target not-p 0 1
- (1- lowtag-limit) lowtags)))
- (when hdrs
- `((inst cmpwi ,temp ,lowtag)
- (inst bne ,(if not-p target not-target))
- (load-type ,temp ,reg (- ,lowtag))
- ,@(gen-other-immediate-test temp target not-target not-p hdrs))))))
-
-(defparameter immediate-types
- (list base-char-widetag unbound-marker-widetag))
-
-(defparameter function-subtypes
- (list funcallable-instance-header-widetag
- simple-fun-header-widetag closure-fun-header-widetag
- closure-header-widetag))
-
-(defmacro test-type (register temp target not-p &rest type-codes)
- (let* ((type-codes (mapcar #'eval type-codes))
- (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 nil))
- (unless type-codes
- (error "Must supply at least on type for test-type."))
- (when (and headers (member other-pointer-lowtag lowtags))
- (warn "OTHER-POINTER-LOWTAG supersedes the use of ~S" headers)
- (setf headers nil))
- (when (and immediates
- (or (member other-immediate-0-lowtag lowtags)
- (member other-immediate-1-lowtag lowtags)))
- (warn "OTHER-IMMEDIATE-n-LOWTAG supersedes the use of ~S" immediates)
- (setf immediates nil))
- (when (intersection headers function-subtypes)
- (unless (subsetp headers function-subtypes)
- (error "Can't test for mix of function subtypes and normal ~
- header types."))
- (setq function-p t))
-
- (let ((n-reg (gensym))
- (n-temp (gensym))
- (n-target (gensym))
- (not-target (gensym)))
- `(let ((,n-reg ,register)
- (,n-temp ,temp)
- (,n-target ,target)
- (,not-target (gen-label)))
- (declare (ignorable ,n-temp))
- ,@(if (constantp not-p)
- (test-type-aux n-reg n-temp n-target not-target
- (eval not-p) lowtags immediates headers
- function-p)
- `((cond (,not-p
- ,@(test-type-aux n-reg n-temp n-target not-target t
- lowtags immediates headers
- function-p))
- (t
- ,@(test-type-aux n-reg n-temp n-target not-target nil
- lowtags immediates headers
- function-p)))))
- (emit-label ,not-target)))))
-|#
-\f
;;;; Error Code
(defvar *adjustable-vectors* nil)
(move result value))))))))
,@(when ptype
`((primitive-type-vop ,check-name (:check) ,ptype))))))
-
-#|
- (def-type-vops fixnump nil nil object-not-fixnum-error
- sb!vm:even-fixnum-lowtag sb!vm:odd-fixnum-lowtag)
- (define-vop (check-fixnum check-type)
- (:generator 3
- (inst andi. temp value 3)
- (inst twi 0 value (error-number-or-lose 'object-not-fixnum-error))
- (inst twi :ne temp 0)
- (move result value)))
- (primitive-type-vop check-fixnum (:check) fixnum)
- (def-type-vops functionp nil nil
- object-not-fun-error sb!vm:fun-pointer-lowtag)
-
- (define-vop (check-fun check-type)
- (:generator 3
- (inst andi. temp value 7)
- (inst twi 0 value (error-number-or-lose 'object-not-fun-error))
- (inst twi :ne temp sb!vm:fun-pointer-lowtag)
- (move result value)))
- (primitive-type-vop check-fun (:check) function)
-
- (def-type-vops listp nil nil
- object-not-list-error sb!vm:list-pointer-lowtag)
- (define-vop (check-list check-type)
- (:generator 3
- (inst andi. temp value 7)
- (inst twi 0 value (error-number-or-lose 'object-not-list-error))
- (inst twi :ne temp sb!vm:list-pointer-lowtag)
- (move result value)))
- (primitive-type-vop check-list (:check) list)
-
- (def-type-vops %instancep nil nil
- object-not-instance-error sb!vm:instance-pointer-lowtag)
- (define-vop (check-instance check-type)
- (:generator 3
- (inst andi. temp value 7)
- (inst twi 0 value (error-number-or-lose 'object-not-instance-error))
- (inst twi :ne temp sb!vm:instance-pointer-lowtag)
- (move result value)))
- (primitive-type-vop check-instance (:check) instance)
-
-
- (def-type-vops bignump check-bignum bignum
- object-not-bignum-error sb!vm:bignum-widetag)
-
- (def-type-vops ratiop check-ratio ratio
- object-not-ratio-error sb!vm:ratio-widetag)
-
- (def-type-vops complexp check-complex complex
- object-not-complex-error sb!vm:complex-widetag
- complex-single-float-widetag complex-double-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)
-
- (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)
-
-(def-type-vops single-float-p check-single-float single-float
- object-not-single-float-error sb!vm:single-float-widetag)
-
-(def-type-vops double-float-p check-double-float double-float
- object-not-double-float-error sb!vm:double-float-widetag)
-
-(def-type-vops simple-string-p check-simple-string simple-string
- object-not-simple-string-error sb!vm: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 sb!vm: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
- sb!vm: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
- sb!vm: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
- sb!vm: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
- sb!vm: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
- sb!vm: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
- sb!vm: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
- sb!vm:simple-array-double-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)
-
-(def-type-vops base-char-p check-base-char base-char
- object-not-base-char-error sb!vm:base-char-widetag)
-
-(def-type-vops system-area-pointer-p check-system-area-pointer
- system-area-pointer object-not-sap-error sb!vm:sap-widetag)
-
-(def-type-vops weak-pointer-p check-weak-pointer weak-pointer
- object-not-weak-pointer-error sb!vm:weak-pointer-widetag)
-
-(def-type-vops code-component-p nil nil nil
- sb!vm:code-header-widetag)
-
-(def-type-vops lra-p nil nil nil
- sb!vm:return-pc-header-widetag)
-
-(def-type-vops fdefn-p nil nil nil
- sb!vm:fdefn-widetag)
-
-(def-type-vops funcallable-instance-p nil nil nil
- sb!vm:funcallable-instance-header-widetag)
-
-(def-type-vops array-header-p nil nil nil
- sb!vm:simple-array-widetag sb!vm:complex-string-widetag sb!vm:complex-bit-vector-widetag
- sb!vm:complex-vector-widetag sb!vm:complex-array-widetag)
-
-(def-type-vops nil check-function-or-symbol nil object-not-function-or-symbol-error
- sb!vm:fun-pointer-lowtag sb!vm:symbol-header-widetag)
-
-(def-type-vops stringp check-string nil object-not-string-error
- sb!vm:simple-string-widetag sb!vm:complex-string-widetag)
-
-(def-type-vops complex-vector-p check-complex-vector nil
- object-not-complex-vector-error complex-vector-widetag)
-
-(def-type-vops bit-vector-p check-bit-vector nil object-not-bit-vector-error
- sb!vm:simple-bit-vector-widetag sb!vm: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
- simple-array-complex-single-float-widetag
- simple-array-complex-double-float-widetag
- complex-string-widetag complex-bit-vector-widetag 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
- simple-array-complex-single-float-widetag
- simple-array-complex-double-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
- simple-array-complex-single-float-widetag
- simple-array-complex-double-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 complex-widetag
- complex-single-float-widetag complex-double-float-widetag)
-
-(def-type-vops rationalp check-rational nil object-not-rational-error
- sb!vm:even-fixnum-lowtag sb!vm:odd-fixnum-lowtag sb!vm:ratio-widetag sb!vm:bignum-widetag)
-
-(def-type-vops integerp check-integer nil object-not-integer-error
- sb!vm:even-fixnum-lowtag sb!vm:odd-fixnum-lowtag sb!vm:bignum-widetag)
-
-(def-type-vops floatp check-float nil object-not-float-error
- sb!vm:single-float-widetag sb!vm:double-float-widetag)
-
-(def-type-vops realp check-real nil object-not-real-error
- sb!vm:even-fixnum-lowtag sb!vm:odd-fixnum-lowtag sb!vm:ratio-widetag sb!vm:bignum-widetag
- sb!vm:single-float-widetag sb!vm:double-float-widetag))
-|#
\f
;;;; Other integer ranges.