re PR rtl-optimization/19464 (gcse causes poor register allocation)

	PR rtl-optimization/19464
	* tree-optimize.c (init_tree_optimization_passes): Add one more
	copyrename pass just before out-of-ssa.

From-SVN: r94124

gcc/ChangeLog

+2005-01-23  Steven Bosscher  <stevenb@suse.de>
+
+	PR rtl-optimization/19464
+	* tree-optimize.c (init_tree_optimization_passes): Add one more
+	copyrename pass just before out-of-ssa.
+
 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
 
 	PR bootstrap/18058

gcc/tree-optimize.c

@@ -397,6 +397,7 @@ init_tree_optimization_passes (void)
   NEXT_PASS (pass_forwprop);
   NEXT_PASS (pass_phiopt);
   NEXT_PASS (pass_tail_calls);
+  NEXT_PASS (pass_rename_ssa_copies);
   NEXT_PASS (pass_del_ssa);
   NEXT_PASS (pass_nrv);
   NEXT_PASS (pass_remove_useless_vars);