* i386.c (legitimize_pic_address): Fix splitting of PLUS with

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-copyrename.c

diff --git a/gcc/tree-ssa-copyrename.c b/gcc/tree-ssa-copyrename.c
index 494e3a5..49225d0 100644 (file)
--- a/gcc/tree-ssa-copyrename.c
+++ b/gcc/tree-ssa-copyrename.c
@@ -169,6 +169,16 @@ copy_rename_partition_coalesce (var_map map, tree var1, tree var2, FILE *debug)
       return;
     }
 
+  /* Don't coalesce if one of the variables occurs in an abnormal PHI.  */
+  abnorm = (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (rep1)
+           || SSA_NAME_OCCURS_IN_ABNORMAL_PHI (rep2));
+  if (abnorm)
+    {
+      if (debug)
+       fprintf (debug, " : Abnormal PHI barrier.  No coalesce.\n");
+      return;
+    }
+
   /* Partitions already have the same root, simply merge them.  */
   if (root1 == root2)
     {
@@ -251,16 +261,6 @@ copy_rename_partition_coalesce (var_map map, tree var1, tree var2, FILE *debug)
       return;
     }
 
-  /* Don't coalesce if one of the variables occurs in an abnormal PHI.  */
-  abnorm = (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (rep1)
-           || SSA_NAME_OCCURS_IN_ABNORMAL_PHI (rep2));
-  if (abnorm)
-    {
-      if (debug)
-       fprintf (debug, " : Abnormal PHI barrier.  No coalesce.\n");
-      return;
-    }
-
   /* Merge the two partitions.  */
   p3 = partition_union (map->var_partition, p1, p2);