From f8af978a60a0a00813e7a57f93d9a5ba4df44069 Mon Sep 17 00:00:00 2001
From: forsyth <forsyth@vitanuova.com>
Date: Tue, 27 Apr 2010 22:08:33 +0100
Subject: 20100427-2208

---
 utils/5c/reg.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'utils/5c/reg.c')

diff --git a/utils/5c/reg.c b/utils/5c/reg.c
index 19c8a7b6..43c78712 100644
--- a/utils/5c/reg.c
+++ b/utils/5c/reg.c
@@ -789,6 +789,7 @@ loopit(Reg *r, long nr)
 		idom = alloc(nr * sizeof(long));
 		maxnr = nr;
 	}
+
 	d = postorder(r, rpo2r, 0);
 	if(d > nr)
 		fatal(Z, "too many reg nodes");
@@ -1116,15 +1117,15 @@ long
 RtoB(int r)
 {
 
-	if(r < 2 || r >= REGTMP)
-		return 0;
-	return 1L << r;
+	if(r >= REGMIN && r <= REGMAX)
+		return 1L << r;
+	return 0;
 }
 
 int
 BtoR(long b)
 {
-	b &= 0x07fcL;
+	b &= 0x01fcL;
 	if(b == 0)
 		return 0;
 	return bitno(b);
-- 
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