-(in-package "SB!VM")
+;;;; the VM definition of various primitive memory access VOPs for
+;;;; HPPA
+
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; 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)))
;;; 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
(: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 andcm res #b11 res)))
\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 addi (- simple-fun-header-widetag) type type)
(inst comb := type zero-tn normal-fn)
(inst addi (- (ash simple-fun-code-offset word-shift) fun-pointer-lowtag)
- function lip)
+ function lip)
(inst li (make-fixup "closure_tramp" :foreign) lip)
NORMAL-FN
(storew function fdefn fdefn-fun-slot other-pointer-lowtag)
(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)
(loadw value bsp-tn (- binding-value-slot binding-size))
(storew value symbol symbol-value-slot other-pointer-lowtag)
(storew zero-tn bsp-tn (- binding-symbol-slot binding-size))
+ (storew zero-tn bsp-tn (- binding-value-slot binding-size))
(inst addi (- (* binding-size n-word-bytes)) bsp-tn bsp-tn)))
(define-vop (unbind-to-here)
(storew zero-tn bsp-tn (- binding-symbol-slot binding-size))
SKIP
+ (storew zero-tn bsp-tn (- binding-value-slot binding-size))
(inst addi (* -2 n-word-bytes) bsp-tn bsp-tn)
(inst comb :<> where bsp-tn loop :nullify t)
(loadw symbol bsp-tn (- binding-symbol-slot binding-size))
funcallable-instance-info-offset fun-pointer-lowtag
(descriptor-reg any-reg) * %funcallable-instance-info)
-(define-vop (funcallable-instance-lexenv cell-ref)
- (:variant funcallable-instance-lexenv-slot fun-pointer-lowtag))
-
-
(define-vop (closure-ref slot-ref)
(:variant closure-info-offset fun-pointer-lowtag))
(define-vop (closure-init slot-set)
(:variant closure-info-offset fun-pointer-lowtag))
-
-
\f
;;;; Value Cell hackery.
(loadw res struct 0 instance-pointer-lowtag)
(inst srl res n-widetag-bits res)))
-(define-vop (instance-ref slot-ref)
- (:variant instance-slots-offset instance-pointer-lowtag)
- (:policy :fast-safe)
- (:translate %instance-ref)
- (:arg-types instance (:constant index)))
-
-#+nil ; As per usual (cf sbcl-devel discussion about this VOP which
- ; appears to return no values)
-(define-vop (instance-set slot-set)
- (:policy :fast-safe)
- (:translate %instance-set)
- (:variant instance-slots-offset instance-pointer-lowtag)
- (:arg-types instance (:constant index) *))
-
(define-full-reffer instance-index-ref * instance-slots-offset
instance-pointer-lowtag (descriptor-reg any-reg) * %instance-ref)
(define-full-setter code-header-set * 0 other-pointer-lowtag
(descriptor-reg any-reg) * code-header-set)
+\f
+;;;; raw instance slot accessors
+
+(macrolet ((fix-storage (inc-offset-by)
+ `(progn
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srl offset n-widetag-bits offset)
+ (inst sll offset 2 offset)
+ (inst sub offset index offset)
+ (inst addi ,inc-offset-by offset offset)
+ (inst add offset object lip)))
+ (raw-instance ((type inc-offset-by set &optional complex)
+ &body body)
+ (let ((name (symbolicate "RAW-INSTANCE-"
+ (if set "SET/" "REF/")
+ (if (eq type 'unsigned)
+ "WORD"
+ (or complex type))))
+ (type-num (cond
+ ((eq type 'single)
+ (if complex 'complex-single-float
+ 'single-float))
+ ((eq type 'double)
+ (if complex 'complex-double-float
+ 'double-float))
+ (t (symbolicate type "-NUM"))))
+ (type-reg (symbolicate (or complex type) "-REG")))
+ `(define-vop (,name)
+ (:translate ,(symbolicate "%" name))
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ ,@(if set
+ `((value :scs (,type-reg) :target result))))
+ (:arg-types * positive-fixnum ,@(if set `(,type-num)))
+ (:results (,(if set 'result 'value) :scs (,type-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:temporary (:scs (interior-reg)) lip)
+ (:result-types ,type-num)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srl offset n-widetag-bits offset)
+ (inst sll offset 2 offset)
+ (inst sub offset index offset)
+ (inst addi ,(* inc-offset-by n-word-bytes)
+ offset offset)
+ (inst add offset object lip)
+ ,@body)))))
+ (raw-instance (unsigned -1 nil)
+ (inst ldw (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) lip value))
+
+ (raw-instance (unsigned -1 t)
+ (inst stw value (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) lip)
+ (move value result))
+
+ (raw-instance (single -1 nil)
+ (inst li (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fldx offset lip value))
+
+ (raw-instance (single -1 t)
+ (inst li (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fstx value offset lip)
+ (unless (location= result value)
+ (inst funop :copy value result)))
+
+ (raw-instance (double -2 nil)
+ (inst fldx object index value)
+ (inst fldx offset lip value))
+
+ (raw-instance (double -2 t)
+ (inst fldx offset lip value)
+ (inst fldx index object value)
+ (inst funop :copy value result))
+
+ (raw-instance (single -2 nil complex-single)
+ (inst li (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fldx offset lip (complex-single-reg-real-tn value))
+ (inst li (- (* (1+ instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fldx offset lip (complex-single-reg-imag-tn value)))
+
+ (raw-instance (single -2 t complex-single)
+ (let ((value-real (complex-single-reg-real-tn value))
+ (result-real (complex-single-reg-real-tn result)))
+ (inst li (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fstx value-real offset lip)
+ (unless (location= result-real value-real)
+ (inst funop :copy value-real result-real)))
+ (let ((value-imag (complex-single-reg-imag-tn value))
+ (result-imag (complex-single-reg-imag-tn result)))
+ (inst li (- (* (1+ instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag) offset)
+ (inst fstx value-imag offset lip)
+ (unless (location= result-imag value-imag)
+ (inst funop :copy value-imag result-imag))))
+
+ (raw-instance (double -4 nil complex-double)
+ (let ((immediate-offset (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip (complex-double-reg-real-tn value)))
+ (let ((immediate-offset (+ 4 (- (* (1+ instance-slots-offset)
+ n-word-bytes) instance-pointer-lowtag))))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip (complex-double-reg-real-tn value)))
+ (let ((immediate-offset (- (* (+ instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag)))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip (complex-double-reg-imag-tn value)))
+ (let ((immediate-offset (+ 4 (- (* (+ instance-slots-offset 3)
+ n-word-bytes) instance-pointer-lowtag))))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip (complex-double-reg-imag-tn value))))
+
+ (raw-instance (double -4 t complex-double)
+ (let ((value-real (complex-double-reg-real-tn value))
+ (result-real (complex-double-reg-real-tn result)))
+ (let ((immediate-offset (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip value-real))
+ (let ((immediate-offset (+ 4 (- (* (1+ instance-slots-offset)
+ n-word-bytes) instance-pointer-lowtag))))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip value-real))
+
+ (unless (location= result-real value-real)
+ (inst funop :copy value-real result-real)))
+ (let ((value-imag (complex-double-reg-imag-tn value))
+ (result-imag (complex-double-reg-imag-tn result)))
+ (let ((immediate-offset (- (* (+ instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag)))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip value-imag))
+
+ (let ((immediate-offset (+ 4 (- (* (+ instance-slots-offset 3)
+ n-word-bytes) instance-pointer-lowtag))))
+ (inst li immediate-offset offset)
+ (inst fldx offset lip value-imag))
+ (unless (location= result-imag value-imag)
+ (inst funop :copy value-imag result-imag)))))
projects / sbcl.git / blobdiff