X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Farith.lisp;h=fd098de7d228e06d5bd66efe77970eef729f7028;hb=20b2378572cf7378f3f267e2234c4234dacfbdc9;hp=336033d6dc42bc77e452fba5c4de810e158132e4;hpb=4ed3f0d08c3a57a6762018d9622f253ab9d0f2b6;p=sbcl.git

diff --git a/src/compiler/ppc/arith.lisp b/src/compiler/ppc/arith.lisp
index 336033d..fd098de 100644
--- a/src/compiler/ppc/arith.lisp
+++ b/src/compiler/ppc/arith.lisp
@@ -371,6 +371,8 @@
     (cond
       ((and (minusp amount) (< amount -31)) (move result zero-tn))
       ((minusp amount) (inst srwi result number (- amount)))
+      ;; possible because this is used in the modular version too
+      ((> amount 31) (move result zero-tn))
       (t (inst slwi result number amount)))))
 
 (define-vop (fast-ash/signed=>signed)