expr.c (emit_group_load): Support CONCATs by storing them to memory and reloading.

	* expr.c (emit_group_load): Support CONCATs by storing them to memory
	and reloading.

From-SVN: r46586

gcc/ChangeLog

+Sun Oct 28 17:05:36 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+	* expr.c (emit_group_load): Support CONCATs by storing them to memory
+	and reloading.
+
 Sun Oct 28 09:59:54 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* expr.c (store_constructor_field): Only call adjust_address on MEM.

gcc/expr.c

@@ -2020,6 +2020,14 @@ emit_group_load (dst, orig_src, ssize, align)
 	  else if (bytepos == (HOST_WIDE_INT) GET_MODE_SIZE (GET_MODE (XEXP (src, 0)))
 		   && bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 1))))
 	    tmps[i] = XEXP (src, 1);
+	  else if (bytepos == 0)
+	    {
+	      rtx mem;
+	      mem = assign_stack_temp (GET_MODE (src),
+				       GET_MODE_SIZE (GET_MODE (src)), 0);
+	      emit_move_insn (mem, src);
+	      tmps[i] = change_address (mem, mode, XEXP (mem, 0));
+	    }
 	  else
 	    abort ();
 	}