sched-deps.c (sched_analyze_insn): Make sure to add insn to reg_last->sets after…

sched-deps.c (sched_analyze_insn): Make sure to add insn to reg_last->sets after flushing the dependency lists to...

        * sched-deps.c (sched_analyze_insn): Make sure to add insn
        to reg_last->sets after flushing the dependency lists to guarantee
        that subsequent clobbers will be dependent on it.

From-SVN: r56929

gcc/ChangeLog

+2002-09-07  Glen Nakamura  <glen@imodulo.com>
+
+	* sched-deps.c (sched_analyze_insn): Make sure to add insn
+	to reg_last->sets after flushing the dependency lists to guarantee
+	that subsequent clobbers will be dependent on it.
+
 2002-09-07  Igor Shevlyakov <igor@microunity.com>
   
 	* combine.c (simplify_shift_const): Calculate rotate count

gcc/sched-deps.c

@@ -1117,8 +1117,6 @@ sched_analyze_insn (deps, x, insn, loop_notes)
 	  EXECUTE_IF_SET_IN_REG_SET (reg_pending_clobbers, 0, i,
 	    {
 	      struct deps_reg *reg_last = &deps->reg_last[i];
-	      add_dependence_list (insn, reg_last->sets, REG_DEP_OUTPUT);
-	      add_dependence_list (insn, reg_last->uses, REG_DEP_ANTI);
 	      if (reg_last->uses_length > MAX_PENDING_LIST_LENGTH
 		  || reg_last->clobbers_length > MAX_PENDING_LIST_LENGTH)
 		{
@@ -1128,6 +1126,7 @@ sched_analyze_insn (deps, x, insn, loop_notes)
 						REG_DEP_ANTI);
 		  add_dependence_list_and_free (insn, &reg_last->clobbers,
 						REG_DEP_OUTPUT);
+		  reg_last->sets = alloc_INSN_LIST (insn, reg_last->sets);
 		  reg_last->clobbers_length = 0;
 		  reg_last->uses_length = 0;
 		}