cfgexpand.c, [...]: Fix comment typos.

	* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
	comment typos.

From-SVN: r115098

gcc/ChangeLog

+2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
+
+	* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
+	comment typos.
+
 2006-06-29  Jason Merrill  <jason@redhat.com>
 
 	PR c++/26905

gcc/cfgexpand.c

@@ -1626,7 +1626,7 @@ tree_expand_cfg (void)
   init_block = construct_init_block ();
 
   /* Clear EDGE_EXECUTABLE on the entry edge(s).  It is cleaned from the
-     remainining edges in expand_gimple_basic_block.  */
+     remaining edges in expand_gimple_basic_block.  */
   FOR_EACH_EDGE (e, ei, ENTRY_BLOCK_PTR->succs)
     e->flags &= ~EDGE_EXECUTABLE;
 

gcc/config/i386/i386.c

@@ -68,7 +68,7 @@ Boston, MA 02110-1301, USA.  */
 #define COSTS_N_BYTES(N) ((N) * 2)
 
 static const
-struct processor_costs size_cost = {	/* costs for tunning for size */
+struct processor_costs size_cost = {	/* costs for tuning for size */
   COSTS_N_BYTES (2),			/* cost of an add instruction */
   COSTS_N_BYTES (3),			/* cost of a lea instruction */
   COSTS_N_BYTES (2),			/* variable shift costs */

gcc/genpreds.c

@@ -373,7 +373,7 @@ add_mode_tests (struct pred_data *p)
 	case AND:
 	  /* The switch code generation in write_predicate_stmts prefers
 	     rtx code tests to be at the top of the expression tree.  So
-	     push this AND down into the second operand of an exisiting
+	     push this AND down into the second operand of an existing
 	     AND expression.  */
 	  if (generate_switch_p (XEXP (subexp, 0)))
 	    pos = &XEXP (subexp, 1);
@@ -563,7 +563,7 @@ write_match_code_switch (rtx exp)
     }
 }
 
-/* Given a predictate expression EXP, write out a sequence of stmts
+/* Given a predicate expression EXP, write out a sequence of stmts
    to evaluate it.  This is similar to write_predicate_expr but can
    generate efficient switch statements.  */
 

gcc/tree-cfg.c

@@ -3121,7 +3121,7 @@ reinstall_phi_args (edge new_edge, edge old_edge)
   PENDING_STMT (old_edge) = NULL;
 }
 
-/* Returns the basic block after that the new basic block created
+/* Returns the basic block after which the new basic block created
    by splitting edge EDGE_IN should be placed.  Tries to keep the new block
    near its "logical" location.  This is of most help to humans looking
    at debugging dumps.  */