2014-07-11  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (remove_inheritance_pseudos): Process

	destination pseudo too.

--- gcc/lra-constraints.c

+++ gcc/lra-constraints.c

@@ -5697,6 +5697,20 @@ remove_inheritance_pseudos (bitmap remove_pseudos)

 			SUBREG_REG (SET_SRC (set)) = SET_SRC (prev_set);

 		      else

 			SET_SRC (set) = SET_SRC (prev_set);

+		      /* As we are finishing with processing the insn

+			 here, check the destination too as it might

+			 inheritance pseudo for another pseudo.  */

+		      if (bitmap_bit_p (remove_pseudos, dregno)

+			  && bitmap_bit_p (&lra_inheritance_pseudos, dregno)

+			  && (restore_regno

+			      = lra_reg_info[dregno].restore_regno) >= 0)

+			{

+			  if (GET_CODE (SET_DEST (set)) == SUBREG)

+			    SUBREG_REG (SET_DEST (set))

+			      = regno_reg_rtx[restore_regno];

+			  else

+			    SET_DEST (set) = regno_reg_rtx[restore_regno];

+			}

 		      lra_push_insn_and_update_insn_regno_info (curr_insn);

 		      lra_set_used_insn_alternative_by_uid

 			(INSN_UID (curr_insn), -1);