X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Falloc.lisp;h=f903dd43fa328204222f3dec50c143abc170a8db;hb=aa7b669779e8e88349938ca962229f31ead08af2;hp=f2aeb81f757eb34043ae1f5e47fc94da58d8684a;hpb=625ddf008874869612eefd2a030d01ecd5b04e94;p=sbcl.git

diff --git a/src/compiler/ppc/alloc.lisp b/src/compiler/ppc/alloc.lisp
index f2aeb81..f903dd4 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)
@@ -169,7 +164,7 @@
 
 (define-vop (make-unbound-marker)
   (:args)
-  (:results (result :scs (any-reg)))
+  (:results (result :scs (descriptor-reg any-reg)))
   (:generator 1
     (inst li result unbound-marker-widetag)))
 
@@ -181,13 +176,15 @@
 
 (define-vop (fixed-alloc)
   (:args)
-  (:info name words type lowtag)
+  (:info name words type lowtag stack-allocate-p)
   (:ignore name)
   (:results (result :scs (descriptor-reg)))
   (:temporary (:scs (non-descriptor-reg)) temp)
   (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
   (:generator 4
-    (with-fixed-allocation (result pa-flag temp type words :lowtag lowtag)
+    (with-fixed-allocation (result pa-flag temp type words
+                                   :lowtag lowtag
+                                   :stack-allocate-p stack-allocate-p)
       )))
 
 (define-vop (var-alloc)
@@ -202,7 +199,7 @@
   (: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)