X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fcall.lisp;h=00e4572e64f56e46127a7901a02a7397ad569817;hb=7c7e6276719b8d40fddec2070cad81064a25c8ed;hp=fa1c56da1fe7885a6a92430989bde2bb575fc542;hpb=b953c186cfe68e48801cb54715da0120c9580888;p=sbcl.git

diff --git a/src/compiler/x86/call.lisp b/src/compiler/x86/call.lisp
index fa1c56d..00e4572 100644
--- a/src/compiler/x86/call.lisp
+++ b/src/compiler/x86/call.lisp
@@ -1260,6 +1260,9 @@
 
 
 ;;; Turn more arg (context, count) into a list.
+(defoptimizer (%listify-rest-args stack-allocate-result) ((&rest args))
+  t)
+
 (define-vop (listify-rest-args)
   (:translate %listify-rest-args)
   (:policy :safe)
@@ -1275,15 +1278,16 @@
   (:generator 20
     (let ((enter (gen-label))
 	  (loop (gen-label))
-	  (done (gen-label)))
+	  (done (gen-label))
+          (stack-allocate-p (node-stack-allocate-p node)))
       (move src context)
       (move ecx count)
       ;; Check to see whether there are no args, and just return NIL if so.
       (inst mov result nil-value)
       (inst jecxz done)
       (inst lea dst (make-ea :dword :index ecx :scale 2))
-      (pseudo-atomic
-       (allocation dst dst node)
+      (maybe-pseudo-atomic stack-allocate-p
+       (allocation dst dst node stack-allocate-p)
        (inst lea dst (make-ea :byte :base dst :disp list-pointer-lowtag))
        ;; Convert the count into a raw value, so that we can use the
        ;; LOOP instruction.