/* -----------------------------------------------------------------------------
- * $Id: Bytecodes.h,v 1.4 2000/12/19 16:48:58 sewardj Exp $
+ * $Id: Bytecodes.h,v 1.5 2001/02/06 12:01:00 sewardj Exp $
*
* (c) The GHC Team, 1998-2000
*
#define bci_CASEFAIL 23
#define bci_ENTER 24
#define bci_RETURN 25
+#define bci_STKCHECK 26
+
+
+/* If a BCO definitely requires less than this many words of stack,
+ don't include an explicit STKCHECK insn in it. The interpreter
+ will check for this many words of stack before running each BCO,
+ rendering an explicit check unnecessary in the majority of
+ cases. */
+#define INTERP_STACK_CHECK_THRESH 50
/*-------------------------------------------------------------------------*/