haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last pending memory flush list.

        * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
        pending memory flush list.

From-SVN: r21836

gcc/ChangeLog

@@ -5,6 +5,9 @@ Tue Aug 18 12:40:27 1998  Richard Henderson  <rth@cygnus.com>
 
 Tue Aug 18 10:33:30 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
+	pending memory flush list.
+
 	* combine.c (can_combine_p): Allow combining insns with REG_RETVAL
 	notes.
 	(try_combine): Allow combining insns with REG_LIBCALL notes.

gcc/haifa-sched.c

@@ -3813,6 +3813,10 @@ sched_analyze (head, tail)
     {
       if (GET_CODE (insn) == INSN || GET_CODE (insn) == JUMP_INSN)
 	{
+	  /* Make each JUMP_INSN a scheduling barrier for memory references.  */
+	  if (GET_CODE (insn) == JUMP_INSN)
+	    last_pending_memory_flush
+	      = alloc_INSN_LIST (insn, last_pending_memory_flush);
 	  sched_analyze_insn (PATTERN (insn), insn, loop_notes);
 	  loop_notes = 0;
 	}