Differentiate between object slot initialisation and mutation

[sbcl.git] / src / compiler / x86-64 / cell.lisp

diff --git a/src/compiler/x86-64/cell.lisp b/src/compiler/x86-64/cell.lisp
index 2c22d08..0857ff6 100644 (file)
--- a/src/compiler/x86-64/cell.lisp
+++ b/src/compiler/x86-64/cell.lisp
@@ -47,6 +47,8 @@
         ;; Else, value not immediate.
         (storew value object offset lowtag))))
 
+(define-vop (init-slot set-slot))
+
 (define-vop (compare-and-swap-slot)
   (:args (object :scs (descriptor-reg) :to :eval)
          (old :scs (descriptor-reg any-reg) :target rax)