* tree-ssa-phiopt.c: Fix comments.

From-SVN: r98462

gcc/ChangeLog

@@ -8,6 +8,8 @@
 	minmax_replacement, abs_replacement): Remove argument PHI_BB.
 	Update a call to replace_phi_edge_with_variable.
 
+	* tree-ssa-phiopt.c: Fix comments.
+
 2005-04-20  Michael Matz  <matz@suse.de>
 
 	PR20973

gcc/tree-ssa-phiopt.c

@@ -205,7 +205,8 @@ tree_ssa_phiopt (void)
 	  || (e1->flags & EDGE_FALLTHRU) == 0)
         continue;
 
-      /* Also make that bb1 only have one pred and it is bb.  */
+      /* Also make sure that bb1 only have one predecessor and that it
+	 is bb.  */
       if (!single_pred_p (bb1)
           || single_pred (bb1) != bb)
 	continue;
@@ -221,7 +222,7 @@ tree_ssa_phiopt (void)
       arg0 = PHI_ARG_DEF_TREE (phi, e1->dest_idx);
       arg1 = PHI_ARG_DEF_TREE (phi, e2->dest_idx);
 
-      /* We know something is wrong if we cannot find the edges in the PHI
+      /* Something is wrong if we cannot find the arguments in the PHI
 	 node.  */
       gcc_assert (arg0 != NULL && arg1 != NULL);