Revert last change.

From-SVN: r94291

1 files changed, 1 insertions, 15 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 1f82b1d..ed693a3 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5215,21 +5215,7 @@ store_field (rtx target, HOST_WIDE_INT bitsize, HOST_WIDE_INT bitpos,
 	  && TREE_CODE (TYPE_SIZE (TREE_TYPE (exp))) == INTEGER_CST
 	  && compare_tree_int (TYPE_SIZE (TREE_TYPE (exp)), bitsize) != 0))
     {
-      rtx temp;
-
-      /* If EXP is a NOP_EXPR of precision less than its mode, then that
-	 implies a mask operation.  If the precision is the same size as
-	 the field we're storing into, that mask is redundant.  This is
-	 particularly common with bit field assignments generated by the
-	 C front end.  */
-      if (TREE_CODE (exp) == NOP_EXPR
-	  && INTEGRAL_TYPE_P (TREE_TYPE (exp))
-	  && (TYPE_PRECISION (TREE_TYPE (exp))
-	      < GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (exp))))
-	  && bitsize == TYPE_PRECISION (TREE_TYPE (exp)))
-	exp = TREE_OPERAND (exp, 0);
-
-      temp = expand_expr (exp, NULL_RTX, VOIDmode, 0);
+      rtx temp = expand_expr (exp, NULL_RTX, VOIDmode, 0);
 
       /* If BITSIZE is narrower than the size of the type of EXP
 	 we will be narrowing TEMP.  Normally, what's wanted are the