(:info index)
(:generator 0
(inst inc (make-ea-for-vector-data count-vector :offset index))))
+\f
+;;;; Memory barrier support
+
+#!+memory-barrier-vops
+(define-vop (%compiler-barrier)
+ (:policy :fast-safe)
+ (:translate %compiler-barrier)
+ (:generator 3))
+
+#!+memory-barrier-vops
+(define-vop (%memory-barrier)
+ (:policy :fast-safe)
+ (:translate %memory-barrier)
+ (:generator 3
+ (inst add (make-ea :dword :base esp-tn) 0 :lock)))
+
+#!+memory-barrier-vops
+(define-vop (%read-barrier)
+ (:policy :fast-safe)
+ (:translate %read-barrier)
+ (:generator 3))
+
+#!+memory-barrier-vops
+(define-vop (%write-barrier)
+ (:policy :fast-safe)
+ (:translate %write-barrier)
+ (: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)))