X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=234421d9d82afc4f4861c4ec2a56f8296a7465d2;hb=11f02398a1a9ccbde847c82fd233e8378e45c29c;hp=f2c06a1183fa63333c504ddcc1b18dd06a155acc;hpb=02c9007b4ca5753406f60019f4fe5e5f8392541a;p=sbcl.git

diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp
index f2c06a1..234421d 100644
--- a/src/compiler/x86/parms.lisp
+++ b/src/compiler/x86/parms.lisp
@@ -27,6 +27,10 @@
 ;;; the number of bits per word, where a word holds one lisp descriptor
 (def!constant n-word-bits 32)
 
+;;; the natural width of a machine word (as seen in e.g. register width,
+;;; address space)
+(def!constant n-machine-word-bits 32)
+
 ;;; the number of bits per byte, where a byte is the smallest
 ;;; addressable object
 (def!constant n-byte-bits 8)
@@ -142,9 +146,7 @@
   (def!constant static-space-end      #x07fff000)
 
   (def!constant dynamic-space-start   #x09000000)
-  (def!constant dynamic-space-end     #x29000000)
-
-  (def!constant alternate-signal-stack-start #x58000000))
+  (def!constant dynamic-space-end     #x29000000))
 
 #!+bsd
 (progn
@@ -160,14 +162,7 @@
   (def!constant dynamic-space-start
     #!+freebsd                             #x48000000
     #!+openbsd                             #x50000000)
-  (def!constant dynamic-space-end          #x88000000)
-  (def!constant alternate-signal-stack-start
-      #!+freebsd #x44000000
-      #!+openbsd #x4c000000))
-
-
-;;; don't need alternate-signal-stack-end : it's -start+SIGSTKSZ
-
+  (def!constant dynamic-space-end          #x88000000))
 
 ;;; Given that NIL is the first thing allocated in static space, we
 ;;; know its value at compile time: