From: johanknol <johanknol@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sun, 27 Jan 2002 10:02:22 +0000 (+0000)
Subject: fixed an integral promotion bug
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=99419f4aa880e9b20ecced49fe093395d79be88b;p=fw%2Fsdcc

fixed an integral promotion bug


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@1843 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/src/ds390/ralloc.c b/src/ds390/ralloc.c
index d91d0a35..d731417d 100644
--- a/src/ds390/ralloc.c
+++ b/src/ds390/ralloc.c
@@ -2163,11 +2163,20 @@ packRegsDPTRuse (operand * op)
 	if (POINTER_SET(ic) && !isOperandEqual(IC_RESULT(ic),op) &&
 	    getSize(operandType(IC_RESULT(ic))) > 1 ) return NULL;
 
-	/* conditionals can destroy 'b' - make sure B wont be used in this one*/
+	/* conditionals can destroy 'b' - make sure B wont 
+	   be used in this one*/
 	if ((IS_CONDITIONAL(ic) || ic->op == '*' || ic->op == '/'  || 
 	     ic->op == LEFT_OP || ic->op == RIGHT_OP ) && 
 	    getSize(operandType(op)) > 3) return NULL;
 
+	/* if this is a cast to a bigger type */
+	if (ic->op==CAST) {
+	  if (getSize(OP_SYM_TYPE(IC_RESULT(ic))) >
+	      getSize(OP_SYM_TYPE(IC_RIGHT(ic)))) {
+	    return 0;
+	  }
+	}
+
 	/* general case */
 	if (IC_RESULT(ic) && IS_SYMOP(IC_RESULT(ic)) && 
 	    !isOperandEqual(IC_RESULT(ic),op) &&