ia64.c (spill_restore_mem): Handle emitting the first insn in a sequence.

        * config/ia64/ia64.c (spill_restore_mem): Handle emitting
        the first insn in a sequence.

From-SVN: r35772

gcc/ChangeLog

+2000-08-17  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.c (spill_restore_mem): Handle emitting
+	the first insn in a sequence.
+
 Thu Aug 17 22:40:05 EDT 2000  John Wehle  (john@feith.com)
 
 	* alias.c (true_dependence, write_dependence_p): A read

gcc/config/ia64/ia64.c

@@ -1398,8 +1398,14 @@ spill_restore_mem (reg, cfa_off)
 	spill_fill_data.init_after
 	  = emit_insn_after (seq, spill_fill_data.init_after);
       else
-	spill_fill_data.init_after
-	  = emit_insn_before (seq, get_insns ());
+	{
+	  rtx first = get_insns ();
+	  if (first)
+	    spill_fill_data.init_after
+	      = emit_insn_before (seq, first);
+	  else
+	    spill_fill_data.init_after = emit_insn (seq);
+	}
     }
 
   mem = gen_rtx_MEM (GET_MODE (reg), spill_fill_data.iter_reg[iter]);