Adjust handling of word sized subregs for OP_OUT

gcc/
	* lra-constraints.c (curr_insn_transform): Change a reload pseudo of
	type OP_OUT to OP_INOUT.

From-SVN: r219730

gcc/ChangeLog

 2015-01-16  Robert Suchanek  <robert.suchanek@imgtec.com>
 
+	* lra-constraints.c (curr_insn_transform): Change a reload pseudo of
+	type OP_OUT to OP_INOUT.
+
+2015-01-16  Robert Suchanek  <robert.suchanek@imgtec.com>
+
 	* simplify-rtx.c (simplify_replace_fn_rtx): Simplify (lo_sum
 	(high x) y) to y if x and y have the same base.
 

gcc/lra-constraints.c

@@ -3802,6 +3802,8 @@ curr_insn_transform (bool check_only_p)
 				  (ira_class_hard_regs[goal_alt[i]][0],
 				   GET_MODE (reg), byte, mode) >= 0)))))
 		{
+		  if (type == OP_OUT)
+		    type = OP_INOUT;
 		  loc = &SUBREG_REG (*loc);
 		  mode = GET_MODE (*loc);
 		}