X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fassembly%2Fmips%2Farray.lisp;h=3c53f1edede2ec0c123fc41d424ed0203b74fbba;hb=832f3b5652ae1b4a8888829cd4a1b391a8ca9952;hp=aaaff087f436d49684563b87d7d007981648d691;hpb=1b650be8b800cf96e2c268ae317fb26d0bf36827;p=sbcl.git

diff --git a/src/assembly/mips/array.lisp b/src/assembly/mips/array.lisp
index aaaff08..3c53f1e 100644
--- a/src/assembly/mips/array.lisp
+++ b/src/assembly/mips/array.lisp
@@ -13,25 +13,25 @@
 (in-package "SB!VM")
 
 (define-assembly-routine (allocate-vector
-			  (:policy :fast-safe)
-			  (:translate allocate-vector)
-			  (:arg-types positive-fixnum
-				      positive-fixnum
-				      positive-fixnum))
-			 ((:arg type any-reg a0-offset)
-			  (:arg length any-reg a1-offset)
-			  (:arg words any-reg a2-offset)
-			  (:res result descriptor-reg a0-offset)
+                          (:policy :fast-safe)
+                          (:translate allocate-vector)
+                          (:arg-types positive-fixnum
+                                      positive-fixnum
+                                      positive-fixnum))
+                         ((:arg type any-reg a0-offset)
+                          (:arg length any-reg a1-offset)
+                          (:arg words any-reg a2-offset)
+                          (:res result descriptor-reg a0-offset)
 
-			  (:temp ndescr non-descriptor-reg nl0-offset)
-			  (:temp pa-flag non-descriptor-reg nl4-offset))
+                          (:temp ndescr non-descriptor-reg nl0-offset)
+                          (:temp pa-flag non-descriptor-reg nl4-offset))
   ;; This is kinda sleezy, changing words like this.  But we can because
   ;; the vop thinks it is temporary.
-  (inst addu words (+ (1- (ash 1 n-lowtag-bits))
-		      (* vector-data-offset n-word-bytes)))
-  (inst li ndescr (lognot lowtag-mask))
-  (inst and words ndescr)
+  (inst addu words (+ lowtag-mask
+                      (* vector-data-offset n-word-bytes)))
   (inst srl ndescr type word-shift)
+  (inst srl words n-lowtag-bits)
+  (inst sll words n-lowtag-bits)
 
   (pseudo-atomic (pa-flag)
     (inst or result alloc-tn other-pointer-lowtag)