2005-06-24 Jerry DeLisle <jvdelisle@verizon.net>

[pf3gnuchains/gcc-fork.git] / gcc / expr.h

diff --git a/gcc/expr.h b/gcc/expr.h
index f462dc8..550c0d0 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -367,7 +367,9 @@ enum block_op_methods
 {
   BLOCK_OP_NORMAL,
   BLOCK_OP_NO_LIBCALL,
-  BLOCK_OP_CALL_PARM
+  BLOCK_OP_CALL_PARM,
+  /* Like BLOCK_OP_NORMAL, but the libcall can be tail call optimized.  */
+  BLOCK_OP_TAILCALL
 };
 
 extern void init_block_move_fn (const char *);
@@ -419,7 +421,7 @@ extern void use_group_regs (rtx *, rtx);
 
 /* Write zeros through the storage of OBJECT.
    If OBJECT has BLKmode, SIZE is its length in bytes.  */
-extern rtx clear_storage (rtx, rtx);
+extern rtx clear_storage (rtx, rtx, enum block_op_methods);
 
 /* Determine whether the LEN bytes can be moved by using several move
    instructions.  Return nonzero if a call to move_by_pieces should
@@ -586,7 +588,7 @@ extern rtx eliminate_constant_term (rtx, rtx *);
    by emitting insns to perform arithmetic if nec.  */
 extern rtx memory_address (enum machine_mode, rtx);
 
-/* Like `memory_address' but pretent `flag_force_addr' is 0.  */
+/* Like `memory_address' but pretend `flag_force_addr' is 0.  */
 extern rtx memory_address_noforce (enum machine_mode, rtx);
 
 /* Return a memory reference like MEMREF, but with its mode changed