fold-const.c (extract_muldiv, [...]): Only adjust code for division, not modulus.

	* fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
	code for division, not modulus.

From-SVN: r45763

gcc/ChangeLog

 Sun Sep 23 18:19:48 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
+	* fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
+	code for division, not modulus.
+
 	* rtl.def (MEM): Remove obsolete part of comment.
 
 2001-09-22  Joseph S. Myers  <jsm28@cam.ac.uk>

gcc/fold-const.c

@@ -4580,13 +4580,10 @@ extract_muldiv (t, c, code, wide_type)
 	{
 	  if (code == CEIL_DIV_EXPR)
 	    code = FLOOR_DIV_EXPR;
-	  else if (code == CEIL_MOD_EXPR)
-	    code = FLOOR_MOD_EXPR;
 	  else if (code == FLOOR_DIV_EXPR)
 	    code = CEIL_DIV_EXPR;
-	  else if (code == FLOOR_MOD_EXPR)
-	    code = CEIL_MOD_EXPR;
-	  else if (code != MULT_EXPR)
+	  else if (code != MULT_EXPR
+		   && code != CEIL_MOD_EXPR && code != FLOOR_MOD_EXPR)
 	    break;
 	}