X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Falpha%2Fcall.lisp;h=2b6137f957545981ed030e0ae64a87bac800307d;hb=844ecf93b004399bf575e700d8b2865edd517c08;hp=c1ef107a83aac7b6d0098eee8ea53d2affbebe9a;hpb=8e35f6ea93cc8e8a3b26fc104a300bfbac3031b6;p=sbcl.git

diff --git a/src/compiler/alpha/call.lisp b/src/compiler/alpha/call.lisp
index c1ef107..2b6137f 100644
--- a/src/compiler/alpha/call.lisp
+++ b/src/compiler/alpha/call.lisp
@@ -410,6 +410,16 @@ default-value-8
               nvals)
   (:temporary (:scs (non-descriptor-reg)) temp))
 
+;;; This hook by the codegen lets us insert code before fall-thru entry points,
+;;; local-call entry points, and tail-call entry points.  The default does
+;;; nothing.
+(defun emit-block-header (start-label trampoline-label fall-thru-p alignp)
+  (declare (ignore fall-thru-p alignp))
+  (when trampoline-label
+    (emit-label trampoline-label))
+  (emit-label start-label))
+
+
 ;;;; local call with unknown values convention return
 
 ;;; Non-TR local call for a fixed number of values passed according to the