X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Fdebug.lisp;h=ef6e0e29cbe190048e787f438548ffd796d1c62a;hb=b83353d9f998e5c0e34604b5593df70c66d2c510;hp=5f720fed4464dca0ae01a07d4a7ae2a93801389e;hpb=952d16ab5880823c1864eb9105bb269e2e00760d;p=sbcl.git

diff --git a/src/compiler/x86-64/debug.lisp b/src/compiler/x86-64/debug.lisp
index 5f720fe..ef6e0e2 100644
--- a/src/compiler/x86-64/debug.lisp
+++ b/src/compiler/x86-64/debug.lisp
@@ -43,7 +43,8 @@
     (move temp offset)
     (inst neg temp)
     (inst mov result
-          (make-ea :qword :base sap :disp (frame-byte-offset 0) :index temp))))
+          (make-ea :qword :base sap :disp (frame-byte-offset 0) :index temp
+                   :scale (ash 1 (- word-shift n-fixnum-tag-bits))))))
 
 (define-vop (read-control-stack-c)
   (:translate stack-ref)
@@ -71,7 +72,8 @@
     (move temp offset)
     (inst neg temp)
     (inst mov
-          (make-ea :qword :base sap :disp (frame-byte-offset 0) :index temp)
+          (make-ea :qword :base sap :disp (frame-byte-offset 0) :index temp
+                   :scale (ash 1 (- word-shift n-fixnum-tag-bits)))
           value)
     (move result value)))