X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fsparc%2Fvm.lisp;h=5ee30a896aed051d3b00119bcca4133312f3efd0;hb=69d60b456b07a0256f08df0d02484f361ce5737c;hp=e2d549a5326ad4875067c50afd92d707d531f1ce;hpb=4ed3f0d08c3a57a6762018d9622f253ab9d0f2b6;p=sbcl.git

diff --git a/src/compiler/sparc/vm.lisp b/src/compiler/sparc/vm.lisp
index e2d549a..5ee30a8 100644
--- a/src/compiler/sparc/vm.lisp
+++ b/src/compiler/sparc/vm.lisp
@@ -10,7 +10,18 @@
 ;;;; files for more information.
 
 (in-package "SB!VM")
-
+
+;;;; Additional constants
+
+;;; NUMBER-STACK-DISPLACEMENT
+;;;
+;;; The number of bytes reserved above the number stack pointer.  These
+;;; slots are required by architecture for a place to spill register windows.
+;;;
+;;; FIXME: Where is this used?
+(def!constant number-stack-displacement
+  (* 16 n-word-bytes))
+
 ;;;; Define the registers
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
@@ -142,7 +153,7 @@
   ;; The non-descriptor stacks.
   (signed-stack non-descriptor-stack) ; (signed-byte 32)
   (unsigned-stack non-descriptor-stack) ; (unsigned-byte 32)
-  (base-char-stack non-descriptor-stack) ; non-descriptor characters.
+  (character-stack non-descriptor-stack) ; non-descriptor characters.
   (sap-stack non-descriptor-stack) ; System area pointers.
   (single-stack non-descriptor-stack) ; single-floats
   (double-stack non-descriptor-stack
@@ -177,11 +188,11 @@
    :alternate-scs (control-stack))
 
   ;; Non-Descriptor characters
-  (base-char-reg registers
+  (character-reg registers
    :locations #.non-descriptor-regs
    :constant-scs (immediate)
    :save-p t
-   :alternate-scs (base-char-stack))
+   :alternate-scs (character-stack))
 
   ;; Non-Descriptor SAP's (arbitrary pointers into address space)
   (sap-reg registers
@@ -300,7 +311,8 @@
      (sc-number-or-lose 'zero))
     (null
      (sc-number-or-lose 'null))
-    ((or fixnum system-area-pointer character)
+    ((or (integer #.sb!xc:most-negative-fixnum #.sb!xc:most-positive-fixnum)
+	 system-area-pointer character)
      (sc-number-or-lose 'immediate))
     (symbol
      (if (static-symbol-p value)
@@ -356,10 +368,3 @@
       (constant (format nil "Const~D" offset))
       (immediate-constant "Immed"))))
 
-
-;;; The loader uses this to convert alien names to the form they
-;;; occure in the symbol table (for example, prepending an
-;;; underscore).  On the SPARC, we don't prepend an underscore.
-(defun extern-alien-name (name)
-  (declare (type simple-base-string name))
-  (concatenate 'string #+nil "_" name))