From: johanknol <johanknol@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Thu, 21 Feb 2002 13:56:39 +0000 (+0000)
Subject: fixed bug no 514308
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=3fce831ce807979933ca71ae6ad79ef78f606e99;p=fw%2Fsdcc

fixed bug no 514308


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@1942 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/src/SDCCcse.c b/src/SDCCcse.c
index 7f439dc7..6141c05b 100644
--- a/src/SDCCcse.c
+++ b/src/SDCCcse.c
@@ -1617,12 +1617,18 @@ cseBBlock (eBBlock * ebb, int computeOnly,
 
       /* Alternate code */
       if (pdic && IS_ITEMP(IC_RESULT(ic))) {
+	if (POINTER_GET(ic) && (pdic->level < ic->level)) {
+	  /* Mmm, found an equivalent pointer get at a lower level. 
+	     This could be a loop however with the same pointer set 
+	     later on */
+	} else {
 	  /* if previous definition found change this to an assignment */
 	  ic->op = '=';
 	  IC_LEFT(ic) = NULL;
 	  IC_RIGHT(ic) = operandFromOperand(IC_RESULT(pdic));
 	  SET_ISADDR(IC_RESULT(ic),0);
 	  SET_ISADDR(IC_RIGHT (ic),0);	  
+	}
       }
 
       if (!(POINTER_SET (ic)) && IC_RESULT (ic)) {