;;; Move untagged sap values.
(define-vop (sap-move)
(:args (x :target y
- :scs (sap-reg)
- :load-if (not (location= x y))))
+ :scs (sap-reg)
+ :load-if (not (location= x y))))
(:results (y :scs (sap-reg)
- :load-if (not (location= x y))))
+ :load-if (not (location= x y))))
(:note "SAP move")
(:effects)
(:affected)
(sap-reg) (sap-reg))
;;; Move untagged sap arguments/return-values.
-(define-vop (move-sap-argument)
+(define-vop (move-sap-arg)
(:args (x :target y
- :scs (sap-reg))
- (fp :scs (any-reg)
- :load-if (not (sc-is y sap-reg))))
+ :scs (sap-reg))
+ (fp :scs (any-reg)
+ :load-if (not (sc-is y sap-reg))))
(:results (y))
(:note "SAP argument move")
(:generator 0
(move y x))
(sap-stack
(if (= (tn-offset fp) esp-offset)
- (storew x fp (tn-offset y)) ; c-call
- (storew x fp (- (1+ (tn-offset y)))))))))
-(define-move-vop move-sap-argument :move-argument
+ (storew x fp (tn-offset y)) ; c-call
+ (storew x fp (frame-word-offset (tn-offset y))))))))
+(define-move-vop move-sap-arg :move-arg
(descriptor-reg sap-reg) (sap-reg))
-;;; Use standard MOVE-ARGUMENT + coercion to move an untagged sap to a
+;;; Use standard MOVE-ARG + coercion to move an untagged sap to a
;;; descriptor passing location.
-(define-move-vop move-argument :move-argument
+(define-move-vop move-arg :move-arg
(sap-reg) (descriptor-reg))
\f
;;;; SAP-INT and INT-SAP
(define-vop (pointer+)
(:translate sap+)
(:args (ptr :scs (sap-reg) :target res
- :load-if (not (location= ptr res)))
- (offset :scs (signed-reg immediate)))
+ :load-if (not (location= ptr res)))
+ (offset :scs (signed-reg immediate)))
(:arg-types system-area-pointer signed-num)
(:results (res :scs (sap-reg) :from (:argument 0)
- :load-if (not (location= ptr res))))
+ :load-if (not (location= ptr res))))
(:result-types system-area-pointer)
(:policy :fast-safe)
(:generator 1
(cond ((and (sc-is ptr sap-reg) (sc-is res sap-reg)
- (not (location= ptr res)))
- (sc-case offset
- (signed-reg
- (inst lea res (make-ea :dword :base ptr :index offset :scale 1)))
- (immediate
- (inst lea res (make-ea :dword :base ptr
- :disp (tn-value offset))))))
- (t
- (move res ptr)
- (sc-case offset
- (signed-reg
- (inst add res offset))
- (immediate
- (inst add res (tn-value offset))))))))
+ (not (location= ptr res)))
+ (sc-case offset
+ (signed-reg
+ (inst lea res (make-ea :dword :base ptr :index offset :scale 1)))
+ (immediate
+ (inst lea res (make-ea :dword :base ptr
+ :disp (tn-value offset))))))
+ (t
+ (move res ptr)
+ (sc-case offset
+ (signed-reg
+ (inst add res offset))
+ (immediate
+ (inst add res (tn-value offset))))))))
(define-vop (pointer-)
(:translate sap-)
(:args (ptr1 :scs (sap-reg) :target res)
- (ptr2 :scs (sap-reg)))
+ (ptr2 :scs (sap-reg)))
(:arg-types system-area-pointer system-area-pointer)
(:policy :fast-safe)
(:results (res :scs (signed-reg) :from (:argument 0)))
;;;; mumble-SYSTEM-REF and mumble-SYSTEM-SET
(macrolet ((def-system-ref-and-set (ref-name
- set-name
- sc
- type
- size
- &optional signed)
- (let ((ref-name-c (symbolicate ref-name "-C"))
- (set-name-c (symbolicate set-name "-C"))
- (temp-sc (symbolicate size "-REG")))
- `(progn
- (define-vop (,ref-name)
- (:translate ,ref-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg))
- (offset :scs (signed-reg)))
- (:arg-types system-area-pointer signed-num)
- ,@(unless (eq size :dword)
- `((:temporary (:sc ,temp-sc
- :from (:eval 0)
- :to (:eval 1))
- temp)))
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 5
- (inst mov ,(if (eq size :dword) 'result 'temp)
- (make-ea ,size :base sap :index offset))
- ,@(unless (eq size :dword)
- `((inst ,(if signed 'movsx 'movzx)
- result temp)))))
- (define-vop (,ref-name-c)
- (:translate ,ref-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg)))
- (:arg-types system-area-pointer
- (:constant (signed-byte 32)))
- (:info offset)
- ,@(unless (eq size :dword)
- `((:temporary (:sc ,temp-sc
- :from (:eval 0)
- :to (:eval 1))
- temp)))
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 4
- (inst mov ,(if (eq size :dword) 'result 'temp)
- (make-ea ,size :base sap :disp offset))
- ,@(unless (eq size :dword)
- `((inst ,(if signed 'movsx 'movzx)
- result temp)))))
- (define-vop (,set-name)
- (:translate ,set-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg) :to (:eval 0))
- (offset :scs (signed-reg) :to (:eval 0))
- (value :scs (,sc)
- :target ,(if (eq size :dword)
- 'result
- 'temp)))
- (:arg-types system-area-pointer signed-num ,type)
- ,@(unless (eq size :dword)
- `((:temporary (:sc ,temp-sc :offset eax-offset
- :from (:argument 2) :to (:result 0)
- :target result)
- temp)))
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 5
- ,@(unless (eq size :dword)
- `((move eax-tn value)))
- (inst mov (make-ea ,size
- :base sap
- :index offset)
- ,(if (eq size :dword) 'value 'temp))
- (move result
- ,(if (eq size :dword) 'value 'eax-tn))))
- (define-vop (,set-name-c)
- (:translate ,set-name)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg) :to (:eval 0))
- (value :scs (,sc)
- :target ,(if (eq size :dword)
- 'result
- 'temp)))
- (:arg-types system-area-pointer
- (:constant (signed-byte 32)) ,type)
- (:info offset)
- ,@(unless (eq size :dword)
- `((:temporary (:sc ,temp-sc :offset eax-offset
- :from (:argument 2) :to (:result 0)
- :target result)
- temp)))
- (:results (result :scs (,sc)))
- (:result-types ,type)
- (:generator 4
- ,@(unless (eq size :dword)
- `((move eax-tn value)))
- (inst mov
- (make-ea ,size :base sap :disp offset)
- ,(if (eq size :dword) 'value 'temp))
- (move result ,(if (eq size :dword)
- 'value
- 'eax-tn))))))))
+ set-name
+ sc
+ type
+ size
+ &optional signed)
+ (let ((temp-sc (symbolicate size "-REG")))
+ `(progn
+ (define-vop (,ref-name)
+ (:translate ,ref-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg))
+ (offset :scs (signed-reg immediate)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0)))
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 5
+ ,(let ((mov-inst (cond
+ ((eq size :dword) 'mov)
+ (signed 'movsx)
+ (t 'movzx))))
+ `(sc-case offset
+ (immediate
+ (inst ,mov-inst result
+ (make-ea ,size :base sap
+ :disp (+ (tn-value offset) disp))))
+ (t (inst ,mov-inst result
+ (make-ea ,size :base sap
+ :index offset
+ :disp disp)))))))
+ (define-vop (,set-name)
+ (:translate ,set-name)
+ (:policy :fast-safe)
+ (:args (sap :scs (sap-reg) :to (:eval 0))
+ (offset :scs (signed-reg immediate) :to (:eval 0))
+ (value :scs (,sc)
+ :target ,(if (eq size :dword)
+ 'result
+ 'temp)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0))
+ ,type)
+ ,@(unless (eq size :dword)
+ `((:temporary (:sc ,temp-sc :offset eax-offset
+ :from (:argument 2) :to (:result 0)
+ :target result)
+ temp)))
+ (:results (result :scs (,sc)))
+ (:result-types ,type)
+ (:generator 5
+ ,@(unless (eq size :dword)
+ `((move eax-tn value)))
+ (inst mov (sc-case offset
+ (immediate
+ (make-ea ,size :base sap
+ :disp (+ (tn-value offset)
+ disp)))
+ (t (make-ea ,size
+ :base sap
+ :index offset
+ :disp disp)))
+ ,(if (eq size :dword) 'value 'temp))
+ (move result
+ ,(if (eq size :dword) 'value 'eax-tn))))))))
- (def-system-ref-and-set sap-ref-8 %set-sap-ref-8
+ (def-system-ref-and-set sb!c::sap-ref-8-with-offset sb!c::%set-sap-ref-8-with-offset
unsigned-reg positive-fixnum :byte nil)
- (def-system-ref-and-set signed-sap-ref-8 %set-signed-sap-ref-8
+ (def-system-ref-and-set sb!c::signed-sap-ref-8-with-offset sb!c::%set-signed-sap-ref-8-with-offset
signed-reg tagged-num :byte t)
- (def-system-ref-and-set sap-ref-16 %set-sap-ref-16
+ (def-system-ref-and-set sb!c::sap-ref-16-with-offset sb!c::%set-sap-ref-16-with-offset
unsigned-reg positive-fixnum :word nil)
- (def-system-ref-and-set signed-sap-ref-16 %set-signed-sap-ref-16
+ (def-system-ref-and-set sb!c::signed-sap-ref-16-with-offset sb!c::%set-signed-sap-ref-16-with-offset
signed-reg tagged-num :word t)
- (def-system-ref-and-set sap-ref-32 %set-sap-ref-32
+ (def-system-ref-and-set sb!c::sap-ref-32-with-offset sb!c::%set-sap-ref-32-with-offset
unsigned-reg unsigned-num :dword nil)
- (def-system-ref-and-set signed-sap-ref-32 %set-signed-sap-ref-32
+ (def-system-ref-and-set sb!c::signed-sap-ref-32-with-offset sb!c::%set-signed-sap-ref-32-with-offset
signed-reg signed-num :dword t)
- (def-system-ref-and-set sap-ref-sap %set-sap-ref-sap
- sap-reg system-area-pointer :dword))
+ (def-system-ref-and-set sb!c::sap-ref-sap-with-offset sb!c::%set-sap-ref-sap-with-offset
+ sap-reg system-area-pointer :dword)
+ (def-system-ref-and-set sb!c::sap-ref-lispobj-with-offset sb!c::%set-sap-ref-lispobj-with-offset
+ descriptor-reg * :dword))
\f
;;;; SAP-REF-DOUBLE
-(define-vop (sap-ref-double)
- (:translate sap-ref-double)
+(define-vop (sap-ref-double-with-offset)
+ (:translate sb!c::sap-ref-double-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg))
- (offset :scs (signed-reg)))
- (:arg-types system-area-pointer signed-num)
+ (offset :scs (signed-reg immediate)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0)))
(:results (result :scs (double-reg)))
(:result-types double-float)
(:generator 5
- (with-empty-tn@fp-top(result)
- (inst fldd (make-ea :dword :base sap :index offset)))))
-
-(define-vop (sap-ref-double-c)
- (:translate sap-ref-double)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg)))
- (:arg-types system-area-pointer (:constant (signed-byte 32)))
- (:info offset)
- (:results (result :scs (double-reg)))
- (:result-types double-float)
- (:generator 4
- (with-empty-tn@fp-top(result)
- (inst fldd (make-ea :dword :base sap :disp offset)))))
+ (sc-case offset
+ (immediate
+ (aver (zerop disp))
+ (with-empty-tn@fp-top(result)
+ (inst fldd (make-ea :dword :base sap :disp (tn-value offset)))))
+ (t
+ (with-empty-tn@fp-top(result)
+ (inst fldd (make-ea :dword :base sap :index offset
+ :disp disp)))))))
-(define-vop (%set-sap-ref-double)
- (:translate %set-sap-ref-double)
+(define-vop (%set-sap-ref-double-with-offset)
+ (:translate sb!c::%set-sap-ref-double-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg) :to (:eval 0))
- (offset :scs (signed-reg) :to (:eval 0))
- (value :scs (double-reg)))
- (:arg-types system-area-pointer signed-num double-float)
+ (offset :scs (signed-reg) :to (:eval 0))
+ (value :scs (double-reg)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0))
+ double-float)
(:results (result :scs (double-reg)))
(:result-types double-float)
(:generator 5
(cond ((zerop (tn-offset value))
- ;; Value is in ST0.
- (inst fstd (make-ea :dword :base sap :index offset))
- (unless (zerop (tn-offset result))
- ;; Value is in ST0 but not result.
- (inst fstd result)))
- (t
- ;; Value is not in ST0.
- (inst fxch value)
- (inst fstd (make-ea :dword :base sap :index offset))
- (cond ((zerop (tn-offset result))
- ;; The result is in ST0.
- (inst fstd value))
- (t
- ;; Neither value or result are in ST0.
- (unless (location= value result)
- (inst fstd result))
- (inst fxch value)))))))
+ ;; Value is in ST0.
+ (inst fstd (make-ea :dword :base sap :index offset :disp disp))
+ (unless (zerop (tn-offset result))
+ ;; Value is in ST0 but not result.
+ (inst fstd result)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value)
+ (inst fstd (make-ea :dword :base sap :index offset :disp disp))
+ (cond ((zerop (tn-offset result))
+ ;; The result is in ST0.
+ (inst fstd value))
+ (t
+ ;; Neither value or result are in ST0.
+ (unless (location= value result)
+ (inst fstd result))
+ (inst fxch value)))))))
-(define-vop (%set-sap-ref-double-c)
- (:translate %set-sap-ref-double)
+(define-vop (%set-sap-ref-double-with-offset-c)
+ (:translate sb!c::%set-sap-ref-double-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg) :to (:eval 0))
- (value :scs (double-reg)))
- (:arg-types system-area-pointer (:constant (signed-byte 32)) double-float)
- (:info offset)
+ (value :scs (double-reg)))
+ (:arg-types system-area-pointer (:constant (signed-byte 32))
+ (:constant (constant-displacement 0 1 0))
+ double-float)
+ (:info offset disp)
(:results (result :scs (double-reg)))
(:result-types double-float)
(:generator 4
+ (aver (zerop disp))
(cond ((zerop (tn-offset value))
- ;; Value is in ST0.
- (inst fstd (make-ea :dword :base sap :disp offset))
- (unless (zerop (tn-offset result))
- ;; Value is in ST0 but not result.
- (inst fstd result)))
- (t
- ;; Value is not in ST0.
- (inst fxch value)
- (inst fstd (make-ea :dword :base sap :disp offset))
- (cond ((zerop (tn-offset result))
- ;; The result is in ST0.
- (inst fstd value))
- (t
- ;; Neither value or result are in ST0.
- (unless (location= value result)
- (inst fstd result))
- (inst fxch value)))))))
+ ;; Value is in ST0.
+ (inst fstd (make-ea :dword :base sap :disp offset))
+ (unless (zerop (tn-offset result))
+ ;; Value is in ST0 but not result.
+ (inst fstd result)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value)
+ (inst fstd (make-ea :dword :base sap :disp offset))
+ (cond ((zerop (tn-offset result))
+ ;; The result is in ST0.
+ (inst fstd value))
+ (t
+ ;; Neither value or result are in ST0.
+ (unless (location= value result)
+ (inst fstd result))
+ (inst fxch value)))))))
\f
;;;; SAP-REF-SINGLE
-(define-vop (sap-ref-single)
- (:translate sap-ref-single)
+(define-vop (sap-ref-single-with-offset)
+ (:translate sb!c::sap-ref-single-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg))
- (offset :scs (signed-reg)))
- (:arg-types system-area-pointer signed-num)
+ (offset :scs (signed-reg immediate)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0)))
(:results (result :scs (single-reg)))
(:result-types single-float)
(:generator 5
- (with-empty-tn@fp-top(result)
- (inst fld (make-ea :dword :base sap :index offset)))))
-
-(define-vop (sap-ref-single-c)
- (:translate sap-ref-single)
- (:policy :fast-safe)
- (:args (sap :scs (sap-reg)))
- (:arg-types system-area-pointer (:constant (signed-byte 32)))
- (:info offset)
- (:results (result :scs (single-reg)))
- (:result-types single-float)
- (:generator 4
- (with-empty-tn@fp-top(result)
- (inst fld (make-ea :dword :base sap :disp offset)))))
+ (sc-case offset
+ (immediate
+ (aver (zerop disp))
+ (with-empty-tn@fp-top(result)
+ (inst fld (make-ea :dword :base sap :disp (tn-value offset)))))
+ (t
+ (with-empty-tn@fp-top(result)
+ (inst fld (make-ea :dword :base sap :index offset :disp disp)))))))
-(define-vop (%set-sap-ref-single)
- (:translate %set-sap-ref-single)
+(define-vop (%set-sap-ref-single-with-offset)
+ (:translate sb!c::%set-sap-ref-single-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg) :to (:eval 0))
- (offset :scs (signed-reg) :to (:eval 0))
- (value :scs (single-reg)))
- (:arg-types system-area-pointer signed-num single-float)
+ (offset :scs (signed-reg) :to (:eval 0))
+ (value :scs (single-reg)))
+ (:info disp)
+ (:arg-types system-area-pointer signed-num
+ (:constant (constant-displacement 0 1 0))
+ single-float)
(:results (result :scs (single-reg)))
(:result-types single-float)
(:generator 5
(cond ((zerop (tn-offset value))
- ;; Value is in ST0
- (inst fst (make-ea :dword :base sap :index offset))
- (unless (zerop (tn-offset result))
- ;; Value is in ST0 but not result.
- (inst fst result)))
- (t
- ;; Value is not in ST0.
- (inst fxch value)
- (inst fst (make-ea :dword :base sap :index offset))
- (cond ((zerop (tn-offset result))
- ;; The result is in ST0.
- (inst fst value))
- (t
- ;; Neither value or result are in ST0
- (unless (location= value result)
- (inst fst result))
- (inst fxch value)))))))
+ ;; Value is in ST0
+ (inst fst (make-ea :dword :base sap :index offset :disp disp))
+ (unless (zerop (tn-offset result))
+ ;; Value is in ST0 but not result.
+ (inst fst result)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value)
+ (inst fst (make-ea :dword :base sap :index offset :disp disp))
+ (cond ((zerop (tn-offset result))
+ ;; The result is in ST0.
+ (inst fst value))
+ (t
+ ;; Neither value or result are in ST0
+ (unless (location= value result)
+ (inst fst result))
+ (inst fxch value)))))))
-(define-vop (%set-sap-ref-single-c)
- (:translate %set-sap-ref-single)
+(define-vop (%set-sap-ref-single-with-offset-c)
+ (:translate sb!c::%set-sap-ref-single-with-offset)
(:policy :fast-safe)
(:args (sap :scs (sap-reg) :to (:eval 0))
- (value :scs (single-reg)))
- (:arg-types system-area-pointer (:constant (signed-byte 32)) single-float)
- (:info offset)
+ (value :scs (single-reg)))
+ (:arg-types system-area-pointer (:constant (signed-byte 32))
+ (:constant (constant-displacement 0 1 0))
+ single-float)
+ (:info offset disp)
(:results (result :scs (single-reg)))
(:result-types single-float)
(:generator 4
+ (aver (zerop disp))
(cond ((zerop (tn-offset value))
- ;; Value is in ST0
- (inst fst (make-ea :dword :base sap :disp offset))
- (unless (zerop (tn-offset result))
- ;; Value is in ST0 but not result.
- (inst fst result)))
- (t
- ;; Value is not in ST0.
- (inst fxch value)
- (inst fst (make-ea :dword :base sap :disp offset))
- (cond ((zerop (tn-offset result))
- ;; The result is in ST0.
- (inst fst value))
- (t
- ;; Neither value or result are in ST0
- (unless (location= value result)
- (inst fst result))
- (inst fxch value)))))))
+ ;; Value is in ST0
+ (inst fst (make-ea :dword :base sap :disp offset))
+ (unless (zerop (tn-offset result))
+ ;; Value is in ST0 but not result.
+ (inst fst result)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value)
+ (inst fst (make-ea :dword :base sap :disp offset))
+ (cond ((zerop (tn-offset result))
+ ;; The result is in ST0.
+ (inst fst value))
+ (t
+ ;; Neither value or result are in ST0
+ (unless (location= value result)
+ (inst fst result))
+ (inst fxch value)))))))
\f
;;;; SAP-REF-LONG
(:translate sap-ref-long)
(:policy :fast-safe)
(:args (sap :scs (sap-reg))
- (offset :scs (signed-reg)))
+ (offset :scs (signed-reg)))
(:arg-types system-area-pointer signed-num)
(:results (result :scs (#!+long-float long-reg #!-long-float double-reg)))
(:result-types #!+long-float long-float #!-long-float double-float)
(:generator 5
(with-empty-tn@fp-top(result)
- (inst fldl (make-ea :dword :base sap :index offset)))))
+ (inst fldl (make-ea :dword :base sap :index offset)))))
(define-vop (sap-ref-long-c)
(:translate sap-ref-long)
(:result-types #!+long-float long-float #!-long-float double-float)
(:generator 4
(with-empty-tn@fp-top(result)
- (inst fldl (make-ea :dword :base sap :disp offset)))))
+ (inst fldl (make-ea :dword :base sap :disp offset)))))
#!+long-float
(define-vop (%set-sap-ref-long)
(:translate %set-sap-ref-long)
(:policy :fast-safe)
(:args (sap :scs (sap-reg) :to (:eval 0))
- (offset :scs (signed-reg) :to (:eval 0))
- (value :scs (long-reg)))
+ (offset :scs (signed-reg) :to (:eval 0))
+ (value :scs (long-reg)))
(:arg-types system-area-pointer signed-num long-float)
(:results (result :scs (long-reg)))
(:result-types long-float)
(:generator 5
(cond ((zerop (tn-offset value))
- ;; Value is in ST0
- (store-long-float (make-ea :dword :base sap :index offset))
- (unless (zerop (tn-offset result))
- ;; Value is in ST0 but not result.
- (inst fstd result)))
- (t
- ;; Value is not in ST0.
- (inst fxch value)
- (store-long-float (make-ea :dword :base sap :index offset))
- (cond ((zerop (tn-offset result))
- ;; The result is in ST0.
- (inst fstd value))
- (t
- ;; Neither value or result are in ST0
- (unless (location= value result)
- (inst fstd result))
- (inst fxch value)))))))
+ ;; Value is in ST0
+ (store-long-float (make-ea :dword :base sap :index offset))
+ (unless (zerop (tn-offset result))
+ ;; Value is in ST0 but not result.
+ (inst fstd result)))
+ (t
+ ;; Value is not in ST0.
+ (inst fxch value)
+ (store-long-float (make-ea :dword :base sap :index offset))
+ (cond ((zerop (tn-offset result))
+ ;; The result is in ST0.
+ (inst fstd value))
+ (t
+ ;; Neither value or result are in ST0
+ (unless (location= value result)
+ (inst fstd result))
+ (inst fxch value)))))))
\f
;;; noise to convert normal lisp data objects into SAPs
(:result-types system-area-pointer)
(:generator 2
(move sap vector)
- (inst add sap (- (* vector-data-offset word-bytes) other-pointer-lowtag))))
+ (inst add
+ sap
+ (- (* vector-data-offset n-word-bytes) other-pointer-lowtag))))
projects / sbcl.git / blobdiff