X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=6e343256ad7bc1fef3fda32d0dc493853c5caf28;hb=9be48f2a73ca5f4cc0848b8c0adad7127de10373;hp=81563da3e1e65aeed78a13c98e46efb67409d51a;hpb=a41c057bfe9d8b0b53d2765b8559f18327f28813;p=sbcl.git

diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp
index 81563da..6e34325 100644
--- a/src/compiler/x86/parms.lisp
+++ b/src/compiler/x86/parms.lisp
@@ -35,9 +35,11 @@
 ;;; addressable object
 (def!constant n-byte-bits 8)
 
-;;; The size in bytes of the GENCGC pages. Should be a multiple of the
-;;; architecture code size.
-(def!constant gencgc-page-size 4096)
+;;; The minimum immediate offset in a memory-referencing instruction.
+(def!constant minimum-immediate-offset (- (expt 2 31)))
+
+;;; The maximum immediate offset in a memory-referencing instruction.
+(def!constant maximum-immediate-offset (1- (expt 2 31)))
 
 (def!constant float-sign-shift 31)
 
@@ -271,8 +273,7 @@
   breakpoint
   fun-end-breakpoint
   single-step-around
-  single-step-before
-  #!+win32 context-restore) ;; HACK: The Win32 exception handling system does wrong things with this.
+  single-step-before)
 ;;; FIXME: It'd be nice to replace all the DEFENUMs with something like
 ;;;   (WITH-DEF-ENUM (:START 8)
 ;;;     (DEF-ENUM HALT-TRAP)