X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Fx86-64%2Falloc.lisp;h=fbde8b6d720fdc02ed97e9bdd6d714261e233494;hb=a7a9b1029e8b9e45a5b66d62e161cc476cb7b60c;hp=dfcf4bfb7923d53e60e0b317dd104c37b4fd57dc;hpb=6822034325136cde4e14773c83c3769b42721306;p=sbcl.git

diff --git a/src/compiler/x86-64/alloc.lisp b/src/compiler/x86-64/alloc.lisp
index dfcf4bf..fbde8b6 100644
--- a/src/compiler/x86-64/alloc.lisp
+++ b/src/compiler/x86-64/alloc.lisp
@@ -79,9 +79,10 @@
               positive-fixnum)
   (:policy :fast-safe)
   (:generator 100
-    (inst lea result (make-ea :byte :base words :disp
-                              (+ (1- (ash 1 n-lowtag-bits))
-                                 (* vector-data-offset n-word-bytes))))
+    (inst lea result (make-ea :byte :index words
+                              :scale (ash 1 (- word-shift n-fixnum-tag-bits))
+                              :disp (+ lowtag-mask
+                                       (* vector-data-offset n-word-bytes))))
     (inst and result (lognot lowtag-mask))
     (pseudo-atomic
       (allocation result result)
@@ -90,12 +91,12 @@
       (storew length result vector-length-slot other-pointer-lowtag))))
 
 (define-vop (allocate-vector-on-stack)
-  (:args (type :scs (unsigned-reg))
-         (length :scs (any-reg))
+  (:args (type :scs (unsigned-reg) :to :save)
+         (length :scs (any-reg) :to :eval :target zero)
          (words :scs (any-reg) :target ecx))
   (:temporary (:sc any-reg :offset ecx-offset :from (:argument 2)) ecx)
-  (:temporary (:sc any-reg :offset eax-offset :from (:argument 2)) zero)
-  (:temporary (:sc any-reg :offset edi-offset :from (:argument 0)) res)
+  (:temporary (:sc any-reg :offset eax-offset :from :eval) zero)
+  (:temporary (:sc any-reg :offset edi-offset) res)
   (:results (result :scs (descriptor-reg) :from :load))
   (:arg-types positive-fixnum
               positive-fixnum
@@ -104,9 +105,10 @@
   (:policy :fast-safe)
   (:node-var node)
   (:generator 100
-    (inst lea result (make-ea :byte :base words :disp
-                              (+ (1- (ash 1 n-lowtag-bits))
-                                 (* vector-data-offset n-word-bytes))))
+    (inst lea result (make-ea :byte :index words
+                              :scale (ash 1 (- word-shift n-fixnum-tag-bits))
+                              :disp (+ lowtag-mask
+                                       (* vector-data-offset n-word-bytes))))
     (inst and result (lognot lowtag-mask))
     ;; FIXME: It would be good to check for stack overflow here.
     (move ecx words)
@@ -122,35 +124,6 @@
     (inst rep)
     (inst stos zero)))
 
-(in-package "SB!VM")
-
-;;;
-(define-vop (allocate-code-object)
-  (:args (boxed-arg :scs (any-reg) :target boxed)
-         (unboxed-arg :scs (any-reg) :target unboxed))
-  (:results (result :scs (descriptor-reg) :from :eval))
-  (:temporary (:sc unsigned-reg :from (:argument 0)) boxed)
-  (:temporary (:sc unsigned-reg :from (:argument 1)) unboxed)
-  (:node-var node)
-  (:generator 100
-    (move boxed boxed-arg)
-    (inst add boxed (fixnumize (1+ code-trace-table-offset-slot)))
-    (inst and boxed (lognot lowtag-mask))
-    (move unboxed unboxed-arg)
-    (inst shr unboxed word-shift)
-    (inst add unboxed lowtag-mask)
-    (inst and unboxed (lognot lowtag-mask))
-    (inst mov result boxed)
-    (inst add result unboxed)
-    (pseudo-atomic
-     (allocation result result node)
-     (inst lea result (make-ea :byte :base result :disp other-pointer-lowtag))
-     (inst shl boxed (- n-widetag-bits word-shift))
-     (inst or boxed code-header-widetag)
-     (storew boxed result 0 other-pointer-lowtag)
-     (storew unboxed result code-code-size-slot other-pointer-lowtag)
-     (storew nil-value result code-entry-points-slot other-pointer-lowtag))
-    (storew nil-value result code-debug-info-slot other-pointer-lowtag)))
 
 (define-vop (make-fdefn)
   (:policy :fast-safe)
@@ -232,11 +205,13 @@
   (:node-var node)
   (:generator 50
     (inst lea bytes
-          (make-ea :qword :base extra :disp (* (1+ words) n-word-bytes)))
+          (make-ea :qword :disp (* (1+ words) n-word-bytes) :index extra
+                   :scale (ash 1 (- word-shift n-fixnum-tag-bits))))
     (inst mov header bytes)
-    (inst shl header (- n-widetag-bits 3)) ; w+1 to length field
+    (inst shl header (- n-widetag-bits word-shift)) ; w+1 to length field
     (inst lea header                    ; (w-1 << 8) | type
-          (make-ea :qword :base header :disp (+ (ash -2 n-widetag-bits) type)))
+          (make-ea :qword :base header
+                   :disp (+ (ash -2 n-widetag-bits) type)))
     (inst and bytes (lognot lowtag-mask))
     (pseudo-atomic
      (allocation result bytes node)