X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Falpha%2Farith.lisp;h=7a1eaac51d3d958a2a17d4ee4c68c86db3884513;hb=3b7fca49cbf6c48605e7ebc1f57caa3255ca5cfd;hp=a52bb1da488ddfaedd0bcb94de23128cb217652e;hpb=1907ad030ca773162bcd9ff90fdc485a035591f4;p=sbcl.git

diff --git a/src/compiler/alpha/arith.lisp b/src/compiler/alpha/arith.lisp
index a52bb1d..7a1eaac 100644
--- a/src/compiler/alpha/arith.lisp
+++ b/src/compiler/alpha/arith.lisp
@@ -602,27 +602,6 @@
 
 ;;;; 32-bit logical operations
 
-(define-vop (merge-bits)
-  (:translate merge-bits)
-  (:args (shift :scs (signed-reg unsigned-reg))
-         (prev :scs (unsigned-reg))
-         (next :scs (unsigned-reg)))
-  (:arg-types tagged-num unsigned-num unsigned-num)
-  (:temporary (:scs (unsigned-reg) :to (:result 0)) temp)
-  (:temporary (:scs (unsigned-reg) :to (:result 0) :target result) res)
-  (:results (result :scs (unsigned-reg)))
-  (:result-types unsigned-num)
-  (:policy :fast-safe)
-  (:generator 4
-    (let ((done (gen-label)))
-      (inst srl next shift res)
-      (inst beq shift done)
-      (inst subq zero-tn shift temp)
-      (inst sll prev temp temp)
-      (inst bis res temp res)
-      (emit-label done)
-      (move res result))))
-
 (define-vop (shift-towards-someplace)
   (:policy :fast-safe)
   (:args (num :scs (unsigned-reg))