;;;; files for more information.
(in-package "SB!VM")
-
\f
;;;; Data object ref/set stuff.
(define-vop (set-slot)
(:args (object :scs (descriptor-reg))
- (value :scs (descriptor-reg any-reg)))
+ (value :scs (descriptor-reg any-reg)))
(:info name offset lowtag)
(:ignore name)
(:results)
(:generator 1
(storew value object offset lowtag)))
-
\f
;;;; Symbol hacking VOPs:
;;; The compiler likes to be able to directly SET symbols.
-;;;
(define-vop (set cell-set)
(:variant symbol-value-slot other-pointer-lowtag))
;;; Do a cell ref with an error check for being unbound.
-;;;
(define-vop (checked-cell-ref)
(:args (object :scs (descriptor-reg) :target obj-temp))
(:results (value :scs (descriptor-reg any-reg)))
(:save-p :compute-only)
(:temporary (:scs (descriptor-reg) :from (:argument 0)) obj-temp))
-;;; With Symbol-Value, we check that the value isn't the trap object. So
-;;; Symbol-Value of NIL is NIL.
-;;;
+;;; With SYMBOL-VALUE, we check that the value isn't the trap object.
+;;; So SYMBOL-VALUE of NIL is NIL.
(define-vop (symbol-value checked-cell-ref)
(:translate symbol-value)
(:generator 9
(inst cmpwi value unbound-marker-widetag)
(inst beq err-lab))))
-;;; Like CHECKED-CELL-REF, only we are a predicate to see if the cell is bound.
+;;; Like CHECKED-CELL-REF, only we are a predicate to see if the cell
+;;; is bound.
(define-vop (boundp-frob)
(:args (object :scs (descriptor-reg)))
(:conditional)
(:policy :fast)
(:translate symbol-value))
+(define-vop (symbol-hash)
+ (:policy :fast-safe)
+ (:translate symbol-hash)
+ (:args (symbol :scs (descriptor-reg)))
+ (:results (res :scs (any-reg)))
+ (:result-types positive-fixnum)
+ (:generator 2
+ ;; The symbol-hash slot of NIL holds NIL because it is also the
+ ;; cdr slot, so we have to strip off the two low bits to make sure
+ ;; it is a fixnum. The lowtag selection magic that is required to
+ ;; ensure this is explained in the comment in objdef.lisp
+ (loadw res symbol symbol-hash-slot other-pointer-lowtag)
+ (inst clrrwi res res (1- n-lowtag-bits))))
\f
;;;; Fdefinition (fdefn) objects.
(:policy :fast-safe)
(:translate (setf fdefn-fun))
(:args (function :scs (descriptor-reg) :target result)
- (fdefn :scs (descriptor-reg)))
+ (fdefn :scs (descriptor-reg)))
(:temporary (:scs (interior-reg)) lip)
(:temporary (:scs (non-descriptor-reg)) type)
(:results (result :scs (descriptor-reg)))
(inst cmpwi type simple-fun-header-widetag)
;;(inst mr lip function)
(inst addi lip function
- (- (ash simple-fun-code-offset word-shift) fun-pointer-lowtag))
+ (- (ash simple-fun-code-offset word-shift) fun-pointer-lowtag))
(inst beq normal-fn)
- (inst lr lip (make-fixup (extern-alien-name "closure_tramp") :foreign))
+ (inst lr lip (make-fixup "closure_tramp" :foreign))
(emit-label normal-fn)
(storew lip fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(storew function fdefn fdefn-fun-slot other-pointer-lowtag)
(:results (result :scs (descriptor-reg)))
(:generator 38
(storew null-tn fdefn fdefn-fun-slot other-pointer-lowtag)
- (inst lr temp (make-fixup (extern-alien-name "undefined_tramp") :foreign))
+ (inst lr temp (make-fixup "undefined_tramp" :foreign))
(storew temp fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(move result fdefn)))
(define-vop (bind)
(:args (val :scs (any-reg descriptor-reg))
- (symbol :scs (descriptor-reg)))
+ (symbol :scs (descriptor-reg)))
(:temporary (:scs (descriptor-reg)) temp)
(:generator 5
(loadw temp symbol symbol-value-slot other-pointer-lowtag)
(:temporary (:scs (descriptor-reg)) symbol value)
(:generator 0
(let ((loop (gen-label))
- (skip (gen-label))
- (done (gen-label)))
+ (skip (gen-label))
+ (done (gen-label)))
(move where arg)
(inst cmpw where bsp-tn)
(inst beq done)
(:arg-types instance (:constant index) *))
(define-vop (instance-index-ref word-index-ref)
- (:policy :fast-safe)
+ (:policy :fast-safe)
(:translate %instance-ref)
(:variant instance-slots-offset instance-pointer-lowtag)
(:arg-types instance positive-fixnum))
(define-vop (instance-index-set word-index-set)
- (:policy :fast-safe)
+ (:policy :fast-safe)
(:translate %instance-set)
(:variant instance-slots-offset instance-pointer-lowtag)
(:arg-types instance positive-fixnum *))
(:policy :fast-safe)
(:variant 0 other-pointer-lowtag))
+
+\f
+;;;; raw instance slot accessors
+
+(define-vop (raw-instance-ref/word)
+ (:translate %raw-instance-ref/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg)))
+ (:arg-types * positive-fixnum)
+ (:results (value :scs (unsigned-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types unsigned-num)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (1- instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst lwzx value object offset)))
+
+(define-vop (raw-instance-set/word)
+ (:translate %raw-instance-set/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ (value :scs (unsigned-reg)))
+ (:arg-types * positive-fixnum unsigned-num)
+ (:results (result :scs (unsigned-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types unsigned-num)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (1- instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst stwx value object offset)
+ (move result value)))
+
+(define-vop (raw-instance-ref/single)
+ (:translate %raw-instance-ref/single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg)))
+ (:arg-types * positive-fixnum)
+ (:results (value :scs (single-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types single-float)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (1- instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst lfsx value object offset)))
+
+(define-vop (raw-instance-set/single)
+ (:translate %raw-instance-set/single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ (value :scs (single-reg) :target result))
+ (:arg-types * positive-fixnum single-float)
+ (:results (result :scs (single-reg)))
+ (:result-types single-float)
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (1- instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst stfsx value object offset)
+ (unless (location= result value)
+ (inst frsp result value))))
+
+(define-vop (raw-instance-ref/double)
+ (:translate %raw-instance-ref/double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg)))
+ (:arg-types * positive-fixnum)
+ (:results (value :scs (double-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types double-float)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst lfdx value object offset)))
+
+(define-vop (raw-instance-set/double)
+ (:translate %raw-instance-set/double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ (value :scs (double-reg) :target result))
+ (:arg-types * positive-fixnum double-float)
+ (:results (result :scs (double-reg)))
+ (:result-types double-float)
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst stfdx value object offset)
+ (unless (location= result value)
+ (inst fmr result value))))
+
+(define-vop (raw-instance-ref/complex-single)
+ (:translate %raw-instance-ref/complex-single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg)))
+ (:arg-types * positive-fixnum)
+ (:results (value :scs (complex-single-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types complex-single-float)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst lfsx (complex-single-reg-real-tn value) object offset)
+ (inst addi offset offset n-word-bytes)
+ (inst lfsx (complex-single-reg-imag-tn value) object offset)))
+
+(define-vop (raw-instance-set/complex-single)
+ (:translate %raw-instance-set/complex-single)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ (value :scs (complex-single-reg) :target result))
+ (:arg-types * positive-fixnum complex-single-float)
+ (:results (result :scs (complex-single-reg)))
+ (:result-types complex-single-float)
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (let ((value-real (complex-single-reg-real-tn value))
+ (result-real (complex-single-reg-real-tn result)))
+ (inst stfsx value-real object offset)
+ (unless (location= result-real value-real)
+ (inst frsp result-real value-real)))
+ (inst addi offset offset n-word-bytes)
+ (let ((value-imag (complex-single-reg-imag-tn value))
+ (result-imag (complex-single-reg-imag-tn result)))
+ (inst stfsx value-imag object offset)
+ (unless (location= result-imag value-imag)
+ (inst frsp result-imag value-imag)))))
+
+(define-vop (raw-instance-ref/complex-double)
+ (:translate %raw-instance-ref/complex-double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg)))
+ (:arg-types * positive-fixnum)
+ (:results (value :scs (complex-double-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:result-types complex-double-float)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 4) n-word-bytes)
+ instance-pointer-lowtag))
+ (inst lfdx (complex-double-reg-real-tn value) object offset)
+ (inst addi offset offset (* 2 n-word-bytes))
+ (inst lfdx (complex-double-reg-imag-tn value) object offset)))
+
+(define-vop (raw-instance-set/complex-double)
+ (:translate %raw-instance-set/complex-double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ (value :scs (complex-double-reg) :target result))
+ (:arg-types * positive-fixnum complex-double-float)
+ (:results (result :scs (complex-double-reg)))
+ (:result-types complex-double-float)
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srwi offset offset n-widetag-bits)
+ (inst slwi offset offset 2)
+ (inst subf offset index offset)
+ (inst addi
+ offset
+ offset
+ (- (* (- instance-slots-offset 4) n-word-bytes)
+ instance-pointer-lowtag))
+ (let ((value-real (complex-double-reg-real-tn value))
+ (result-real (complex-double-reg-real-tn result)))
+ (inst stfdx value-real object offset)
+ (unless (location= result-real value-real)
+ (inst fmr result-real value-real)))
+ (inst addi offset offset (* 2 n-word-bytes))
+ (let ((value-imag (complex-double-reg-imag-tn value))
+ (result-imag (complex-double-reg-imag-tn result)))
+ (inst stfdx value-imag object offset)
+ (unless (location= result-imag value-imag)
+ (inst fmr result-imag value-imag)))))