(:results (result :scs (descriptor-reg any-reg)))
(:generator 5
(move rax old)
- #!+sb-thread
- (inst lock)
(inst cmpxchg (make-ea :qword :base object
:disp (- (* offset n-word-bytes) lowtag))
- new)
+ new :lock)
(move result rax)))
\f
;;;; symbol hacking VOPs
new)
(inst cmp rax no-tls-value-marker-widetag)
(inst jmp :ne check)
- (move rax old)
- (inst lock))
+ (move rax old))
(inst cmpxchg (make-ea :qword :base symbol
:disp (- (* symbol-value-slot n-word-bytes)
other-pointer-lowtag)
:scale 1)
- new)
+ new :lock)
(emit-label check)
(move result rax)
(inst cmp result unbound-marker-widetag)
(:policy :fast-safe)
(:generator 4
(move result value)
- (inst lock)
(inst add (make-ea :qword :base object
:disp (- (* symbol-value-slot n-word-bytes)
other-pointer-lowtag))
- value)))
+ value :lock)))
#!+sb-thread
(define-vop (boundp)
(:generator 4
(inst mov (make-ea-for-raw-slot object index instance-length) value)))
+(define-vop (raw-instance-atomic-incf-c/word)
+ (:translate %raw-instance-atomic-incf/word)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (diff :scs (signed-reg) :target result))
+ (:arg-types * (:constant (load/store-index #.n-word-bytes
+ #.instance-pointer-lowtag
+ #.instance-slots-offset))
+ signed-num)
+ (:info index)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 4
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (inst xadd (make-ea-for-raw-slot object index tmp) diff :lock)
+ (move result diff)))
+
(define-vop (raw-instance-ref/single)
(:translate %raw-instance-ref/single)
(:policy :fast-safe)