From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 4 Nov 1988 10:58:30 +0000 (+0000)
Subject: Define procedures to capture the object->{type,datum,address}
X-Git-Tag: 20090517-FFI~12444
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=0b5c2912a2ebb996c9f2749590140a98c1f1ce01;p=mit-scheme.git

Define procedures to capture the object->{type,datum,address}
conversions.
---

diff --git a/v7/src/compiler/machines/bobcat/lapgen.scm b/v7/src/compiler/machines/bobcat/lapgen.scm
index cc738ff57..c7e3b004e 100644
--- a/v7/src/compiler/machines/bobcat/lapgen.scm
+++ b/v7/src/compiler/machines/bobcat/lapgen.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/bobcat/lapgen.scm,v 4.16 1988/11/04 10:23:30 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/bobcat/lapgen.scm,v 4.17 1988/11/04 10:58:30 cph Exp $
 
 Copyright (c) 1988 Massachusetts Institute of Technology
 
@@ -498,11 +498,16 @@ MIT in each case. |#
       (LAP (MOV L
 		(@PCR ,(constant->label constant))
 		,register-ref)
-	   ,(scheme-object->datum register-ref))))
+	   ,@(object->address register-ref))))
 
-(define (scheme-object->datum register-reference)
-  (INST (AND L ,mask-reference ,register-reference)))
+(define-integrable (object->address register-reference)
+  (LAP (AND L ,mask-reference ,register-reference)))
 
+(define-integrable (object->datum register-reference)
+  (LAP (AND L ,mask-reference ,register-reference)))
+
+(define-integrable (object->type register-reference)
+  (LAP (RO L L (& 8) ,register-reference)))
 ;;;; CHAR->ASCII rules
 
 (define (coerce->any/byte-reference register)