X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Falloc.lisp;h=58d95479ec17811de39480094555ff3cb8b97bf7;hb=7deecae2d959173eda6a153d490c752c32050a9e;hp=e3dd0fbeab58cacd8f0ff31f67a7e9e07037e5d9;hpb=66cff1e1319861c080d563359afea284614b3a7f;p=sbcl.git

diff --git a/src/compiler/ppc/alloc.lisp b/src/compiler/ppc/alloc.lisp
index e3dd0fb..58d9547 100644
--- a/src/compiler/ppc/alloc.lisp
+++ b/src/compiler/ppc/alloc.lisp
@@ -12,11 +12,6 @@
 (in-package "SB!VM")
 
 ;;;; LIST and LIST*
-(defoptimizer (list stack-allocate-result) ((&rest args))
-  (not (null args)))
-(defoptimizer (list* stack-allocate-result) ((&rest args))
-  (not (null (rest args))))
-
 (define-vop (list-or-list*)
   (:args (things :more t))
   (:temporary (:scs (descriptor-reg) :type list) ptr)
@@ -202,7 +197,7 @@
   (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
   (:generator 6
     (inst addi bytes extra (* (1+ words) n-word-bytes))
-    (inst slwi header bytes (- n-widetag-bits 2))
+    (inst slwi header bytes (- n-widetag-bits n-fixnum-tag-bits))
     (inst addi header header (+ (ash -2 n-widetag-bits) type))
     (inst clrrwi bytes bytes n-lowtag-bits)
     (pseudo-atomic (pa-flag)