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-rw-r--r--gcc/expr.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/expr.h b/gcc/expr.h
index 76b5c809e8e..c3a1009a12a 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -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. */
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