var-tracking.c (vt_expand_loc, [...]): Bump maximum depth to 8 from 5.

	* var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
	depth to 8 from 5.

From-SVN: r162337

gcc/ChangeLog

 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
 
+	* var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
+	depth to 8 from 5.
+
 	PR debug/45003
 	* cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
 	or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type

gcc/var-tracking.c

@@ -7043,7 +7043,7 @@ vt_expand_loc (rtx loc, htab_t vars)
   data.vars = vars;
   data.dummy = false;
   data.cur_loc_changed = false;
-  loc = cselib_expand_value_rtx_cb (loc, scratch_regs, 5,
+  loc = cselib_expand_value_rtx_cb (loc, scratch_regs, 8,
 				    vt_expand_loc_callback, &data);
 
   if (loc && MEM_P (loc))
@@ -7064,7 +7064,7 @@ vt_expand_loc_dummy (rtx loc, htab_t vars, bool *pcur_loc_changed)
   data.vars = vars;
   data.dummy = true;
   data.cur_loc_changed = false;
-  ret = cselib_dummy_expand_value_rtx_cb (loc, scratch_regs, 5,
+  ret = cselib_dummy_expand_value_rtx_cb (loc, scratch_regs, 8,
 					  vt_expand_loc_callback, &data);
   *pcur_loc_changed = data.cur_loc_changed;
   return ret;