`(unless (location= ,n-dst ,n-src)
(inst mov ,n-dst ,n-src))))
-(defmacro make-ea-for-object-slot (ptr slot lowtag)
- `(make-ea :dword :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
+(defmacro make-ea-for-object-slot (ptr slot lowtag &optional (size :dword))
+ `(make-ea ,size :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
(defmacro loadw (value ptr &optional (slot 0) (lowtag 0))
`(inst mov ,value (make-ea-for-object-slot ,ptr ,slot ,lowtag)))
(once-only ((value value))
`(inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag) ,value)))
+;;; A handy macro for storing widetags.
+(defmacro storeb (value ptr &optional (slot 0) (lowtag 0))
+ (once-only ((value value))
+ `(inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag :byte) ,value)))
+
(defmacro pushw (ptr &optional (slot 0) (lowtag 0))
`(inst push (make-ea-for-object-slot ,ptr ,slot ,lowtag)))
(defmacro popw (ptr &optional (slot 0) (lowtag 0))
`(inst pop (make-ea-for-object-slot ,ptr ,slot ,lowtag)))
+
+(defmacro make-ea-for-vector-data (object &key (size :dword) (offset 0)
+ index (scale (ash (width-bits size) -3)))
+ `(make-ea ,size :base ,object :index ,index :scale ,scale
+ :disp (- (+ (* vector-data-offset n-word-bytes)
+ (* ,offset ,scale))
+ other-pointer-lowtag)))
\f
;;;; macros to generate useful values
(defmacro load-symbol (reg symbol)
`(inst mov ,reg (+ nil-value (static-symbol-offset ,symbol))))
-(defmacro make-ea-for-symbol-value (symbol)
- `(make-ea :dword
+(defmacro make-ea-for-symbol-value (symbol &optional (width :dword))
+ (declare (type symbol symbol))
+ `(make-ea ,width
:disp (+ nil-value
(static-symbol-offset ',symbol)
(ash symbol-value-slot word-shift)
#!+sb-thread
(defmacro make-ea-for-symbol-tls-index (symbol)
+ (declare (type symbol symbol))
`(make-ea :dword
:disp (+ nil-value
(static-symbol-offset ',symbol)
(defmacro pseudo-atomic (&rest forms)
(with-unique-names (label)
`(let ((,label (gen-label)))
- ;; FIXME: The MAKE-EA noise should become a MACROLET macro
- ;; or something. (perhaps SVLB, for static variable low
- ;; byte)
- (inst or (make-ea :byte :disp (+ nil-value
- (static-symbol-offset
- '*pseudo-atomic-bits*)
- (ash symbol-value-slot word-shift)
- (- other-pointer-lowtag)))
+ (inst or (make-ea-for-symbol-value *pseudo-atomic-bits* :byte)
(fixnumize 1))
,@forms
- (inst xor (make-ea :byte :disp (+ nil-value
- (static-symbol-offset
- '*pseudo-atomic-bits*)
- (ash symbol-value-slot word-shift)
- (- other-pointer-lowtag)))
+ (inst xor (make-ea-for-symbol-value *pseudo-atomic-bits* :byte)
(fixnumize 1))
(inst jmp :z ,label)
;; if PAI was set, interrupts were disabled at the same
`((:translate ,translate)))
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
- (index :scs (any-reg immediate)))
+ (index :scs (any-reg immediate unsigned-reg)))
(:arg-types ,type tagged-num)
(:results (value :scs ,scs))
(:result-types ,el-type)
:disp (- (* (+ ,offset (tn-value index))
n-word-bytes)
,lowtag))))
+ (unsigned-reg
+ (inst mov value (make-ea :dword :base object :index index :scale 4
+ :disp (- (* ,offset n-word-bytes)
+ ,lowtag))))
(t
(inst mov value (make-ea :dword :base object :index index
:disp (- (* ,offset n-word-bytes)
,lowtag)))))))))
+(defmacro define-full-reffer+offset (name type offset lowtag scs el-type &optional translate)
+ `(progn
+ (define-vop (,name)
+ ,@(when translate
+ `((:translate ,translate)))
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate unsigned-reg)))
+ (:arg-types ,type tagged-num
+ (:constant (constant-displacement ,lowtag sb!vm:n-word-bytes ,offset)))
+ (:info offset)
+ (:results (value :scs ,scs))
+ (:result-types ,el-type)
+ (:generator 3 ; pw was 5
+ (sc-case index
+ (immediate
+ (inst mov value (make-ea :dword :base object
+ :disp (- (* (+ ,offset
+ (tn-value index)
+ offset)
+ n-word-bytes)
+ ,lowtag))))
+ (unsigned-reg
+ (inst mov value (make-ea :dword :base object :index index :scale 4
+ :disp (- (* (+ ,offset offset)
+ n-word-bytes)
+ ,lowtag))))
+ (t
+ (inst mov value (make-ea :dword :base object :index index
+ :disp (- (* (+ ,offset offset)
+ n-word-bytes)
+ ,lowtag)))))))))
+
(defmacro define-full-setter (name type offset lowtag scs el-type &optional translate)
`(progn
(define-vop (,name)
value)))
(move result value)))))
+(defmacro define-full-setter+offset (name type offset lowtag scs el-type &optional translate)
+ `(progn
+ (define-vop (,name)
+ ,@(when translate
+ `((:translate ,translate)))
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg immediate))
+ (value :scs ,scs :target result))
+ (:info offset)
+ (:arg-types ,type tagged-num
+ (:constant (constant-displacement ,lowtag sb!vm:n-word-bytes ,offset)) ,el-type)
+ (:results (result :scs ,scs))
+ (:result-types ,el-type)
+ (:generator 4 ; was 5
+ (sc-case index
+ (immediate
+ (inst mov (make-ea :dword :base object
+ :disp (- (* (+ ,offset (tn-value index) offset)
+ n-word-bytes)
+ ,lowtag))
+ value))
+ (t
+ (inst mov (make-ea :dword :base object :index index
+ :disp (- (* (+ ,offset offset)
+ n-word-bytes) ,lowtag))
+ value)))
+ (move result value)))))
+
;;; helper for alien stuff.
-(defmacro with-pinned-objects ((&rest objects) &body body)
+(def!macro with-pinned-objects ((&rest objects) &body body)
"Arrange with the garbage collector that the pages occupied by
OBJECTS will not be moved in memory for the duration of BODY.
Useful for e.g. foreign calls where another thread may trigger
projects / sbcl.git / blobdiff