diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 92b6190a9fe..6768b17ed09 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-13  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* tree-ssa-dom.c (record_equivalences_from_phis): Speed up by
+	doing a pointer comparison.
+
 2004-12-13  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 
 	* config/m32r/t-linux (SHLIB_MAPFILES): Add libgcc-glibc.ver to
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index 72ab570ddd4..def20d6539d 100644
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -1178,7 +1178,7 @@ record_equivalences_from_phis (basic_block bb)
 	  tree t = PHI_ARG_DEF (phi, i);
 
 	  /* Ignore alternatives which are the same as our LHS.  */
-	  if (operand_equal_for_phi_arg_p (lhs, t))
+	  if (lhs == t)
 	    continue;
 
 	  /* If we have not processed an alternative yet, then set