2002-09-25 Andrew Haley <aph@redhat.com>

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

diff --git a/gcc/expr.h b/gcc/expr.h
index 76b5c80..e8b2c17 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -303,7 +303,7 @@ rtx emit_conditional_move PARAMS ((rtx, enum rtx_code, rtx, rtx,
                                   enum machine_mode, rtx, rtx,
                                   enum machine_mode, int));
 
-/* Return non-zero if the conditional move is supported.  */
+/* Return nonzero if the conditional move is supported.  */
 int can_conditionally_move_p PARAMS ((enum machine_mode mode));
 
 #endif
@@ -394,7 +394,15 @@ extern rtx convert_modes PARAMS ((enum machine_mode, enum machine_mode,
                                  rtx, int));
 
 /* Emit code to move a block Y to a block X.  */
-extern rtx emit_block_move PARAMS ((rtx, rtx, rtx));
+
+enum block_op_methods
+{
+  BLOCK_OP_NORMAL,
+  BLOCK_OP_CALL_PARM,
+  BLOCK_OP_NO_LIBCALL
+};
+
+extern rtx emit_block_move PARAMS ((rtx, rtx, rtx, enum block_op_methods));
 
 /* Copy all or part of a value X into registers starting at REGNO.
    The number of registers to be filled is NREGS.  */
@@ -431,7 +439,7 @@ extern void use_group_regs PARAMS ((rtx *, rtx));
    If OBJECT has BLKmode, SIZE is its length in bytes.  */
 extern rtx clear_storage PARAMS ((rtx, rtx));
 
-/* Return non-zero if it is desirable to store LEN bytes generated by
+/* Return nonzero if it is desirable to store LEN bytes generated by
    CONSTFUN with several move instructions by store_by_pieces
    function.  CONSTFUNDATA is a pointer which will be passed as argument
    in every CONSTFUN call.
@@ -608,6 +616,9 @@ extern void set_mem_expr PARAMS ((rtx, tree));
 /* Set the offset for MEM to OFFSET.  */
 extern void set_mem_offset PARAMS ((rtx, rtx));
 
+/* Set the size for MEM to SIZE.  */
+extern void set_mem_size PARAMS ((rtx, rtx));
+
 /* Return a memory reference like MEMREF, but with its mode changed
    to MODE and its address changed to ADDR.
    (VOIDmode means don't change the mode.