(inst cmp al-tn fun-pointer-lowtag)
(inst jmp :e FUNCTION-PTR)
- ;; Pick off structures and list pointers.
- (inst test al-tn 1)
- (inst jmp :ne DONE)
-
;; Pick off fixnums.
- (inst and al-tn fixnum-tag-mask)
+ (inst test al-tn fixnum-tag-mask)
(inst jmp :e DONE)
+ ;; Pick off structures and list pointers.
+ (inst test al-tn 2)
+ (inst jmp :ne DONE)
+
;; must be an other immediate
(inst mov rax object)
(inst jmp DONE)
(define-vop (%read-barrier)
(:policy :fast-safe)
(:translate %read-barrier)
- (:generator 3
- (inst lfence)))
+ (:generator 3))
#!+memory-barrier-vops
(define-vop (%write-barrier)
(:policy :fast-safe)
(:translate %write-barrier)
- (:generator 3
- (inst sfence)))
+ (:generator 3))
#!+memory-barrier-vops
(define-vop (%data-dependency-barrier)
(:policy :fast-safe)
(:translate %data-dependency-barrier)
(:generator 3))
+
+(define-vop (pause)
+ (:translate spin-loop-hint)
+ (:policy :fast-safe)
+ (:generator 0
+ (inst pause)))