From: Chris Hanson <org/chris-hanson/cph>
Date: Mon, 18 May 1987 17:57:18 +0000 (+0000)
Subject: Generalize `register-has-alias?' to handle machine registers also.
X-Git-Tag: 20090517-FFI~13507
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=950b5d18344b2cce2ffb76d5a67112a68251f7b0;p=mit-scheme.git

Generalize `register-has-alias?' to handle machine registers also.
---

diff --git a/v7/src/compiler/back/lapgn1.scm b/v7/src/compiler/back/lapgn1.scm
index 94af280b6..5f92d55b2 100644
--- a/v7/src/compiler/back/lapgn1.scm
+++ b/v7/src/compiler/back/lapgn1.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/back/lapgn1.scm,v 1.32 1987/05/15 19:51:47 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/back/lapgn1.scm,v 1.33 1987/05/18 17:57:18 cph Exp $
 
 Copyright (c) 1987 Massachusetts Institute of Technology
 
@@ -170,8 +170,10 @@ MIT in each case. |#
   (if register (need-register! register))
   register)
 
-(define-integrable (register-has-alias? register type)
-  (pseudo-register-alias *register-map* type register))
+(define (register-has-alias? register type)
+  (if (machine-register? register)
+      (register-type? register type)
+      (pseudo-register-alias *register-map* type register)))
 
 (define-integrable (register-alias register type)
   (maybe-need-register! (pseudo-register-alias *register-map* type register)))