* expr.c (expand_expr): Call convert_modes when turning a large

multiply into a small one.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35662 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog

-2000-05-13  Geoffrey Keating  <geoffk@cygnus.com>
+2000-08-13  Geoff Keating  <geoffk@cygnus.com>
+
+	* expr.c (expand_expr): Call convert_modes when turning a large
+	multiply into a small one.
+
+2000-08-12  Geoff Keating  <geoffk@cygnus.com>
 
 	* tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
 	the tree structure an exponent rather than an explicit alignment

gcc/expr.c

@@ -7473,8 +7473,10 @@ expand_expr (exp, target, tmode, modifier)
 		  op0 = expand_expr (TREE_OPERAND (TREE_OPERAND (exp, 0), 0),
 				     NULL_RTX, VOIDmode, 0);
 		  if (TREE_CODE (TREE_OPERAND (exp, 1)) == INTEGER_CST)
-		    op1 = expand_expr (TREE_OPERAND (exp, 1), NULL_RTX,
-				       VOIDmode, 0);
+		    op1 = convert_modes (innermode, mode,
+					 expand_expr (TREE_OPERAND (exp, 1),
+						      NULL_RTX, VOIDmode, 0),
+					 unsignedp);
 		  else
 		    op1 = expand_expr (TREE_OPERAND (TREE_OPERAND (exp, 1), 0),
 				       NULL_RTX, VOIDmode, 0);