X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fgeneric%2Fvm-ir2tran.lisp;h=5cbeb85e3aab8bcef52c7effddd385acfa15076a;hb=174feb792c8082846666e1218c58d5b0ab3b85b0;hp=361c54fe50c2ec1de094fc67b2d4179e538a2184;hpb=772659782631839f87fe059a45ecb28b933e298b;p=sbcl.git

diff --git a/src/compiler/generic/vm-ir2tran.lisp b/src/compiler/generic/vm-ir2tran.lisp
index 361c54f..5cbeb85 100644
--- a/src/compiler/generic/vm-ir2tran.lisp
+++ b/src/compiler/generic/vm-ir2tran.lisp
@@ -24,6 +24,8 @@
 	 name offset lowtag)
     (move-continuation-result node block (list value-tn) (node-cont node))))
 
+;;; FIXME: Isn't there a name for this which looks less like a typo?
+;;; (The name IR2-CONVERT-SETTER is used for something else, just above.)
 (defoptimizer ir2-convert-setfer ((value object) node block name offset lowtag)
   (let ((value-tn (continuation-tn node block value)))
     (vop set-slot node block (continuation-tn node block object) value-tn
@@ -79,3 +81,19 @@
 	     type lowtag result))
     (do-inits node block name result lowtag inits args)
     (move-continuation-result node block locs cont)))
+
+;;; :SET-TRANS (in objdef.lisp DEFINE-PRIMITIVE-OBJECT) doesn't quite
+;;; cut it for symbols, where under certain compilation options
+;;; (e.g. #!+SB-THREAD) we have to do something complicated, rather
+;;; than simply set the slot.  So we build the IR2 converting function
+;;; by hand.  -- CSR, 2003-05-08
+(let ((fun-info (fun-info-or-lose '%set-symbol-value)))
+  (setf (fun-info-ir2-convert fun-info)
+	(lambda (node block)
+	  (let ((args (basic-combination-args node)))
+	    (destructuring-bind (symbol value) args
+	      (let ((value-tn (continuation-tn node block value)))
+		(vop set node block
+		     (continuation-tn node block symbol) value-tn)
+		(move-continuation-result
+		 node block (list value-tn) (node-cont node))))))))