(: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
(loadw tmp object 0 instance-pointer-lowtag)
(inst shr tmp n-widetag-bits)
- #!+sb-thread
- (inst lock)
- (inst xadd (make-ea-for-raw-slot object index tmp) diff)
+ (inst xadd (make-ea-for-raw-slot object index tmp) diff :lock)
(move result diff)))
(define-vop (raw-instance-ref/single)