opcode.h

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/*

  Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement 
  or the like.  Any license provided herein, whether implied or 
  otherwise, applies only to this software file.  Patent licenses, if 
  any, provided herein do not apply to combinations of this program with 
  other software, or any other product whatsoever.  

  You should have received a copy of the GNU General Public License along
  with this program; if not, write the Free Software Foundation, Inc., 59
  Temple Place - Suite 330, Boston MA 02111-1307, USA.

  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
  Mountain View, CA 94043, or:

  http://www.sgi.com

  For further information regarding this notice, see:

  http://oss.sgi.com/projects/GenInfo/NoticeExplan

*/


#ifndef opcode_INCLUDED
#define opcode_INCLUDED "opcode.h"

#ifdef _KEEP_RCS_ID
#endif /* _KEEP_RCS_ID */

#include "defs.h"
#include "opcode_core.h"
#include "errors.h"
#include "opcode_gen.h"

#ifdef __cplusplus
extern "C" {
#endif

extern const char       *OPERATOR_name(OPERATOR);
extern OPERATOR         Name_To_OPERATOR(const char* nm);

extern OPCODE           OPCODE_commutative_op(OPCODE op);


/*
 * The order of these array subscripts is significant because wopt
 * relies heavily on this routine and usually calls it with opr and
 * desc as constants.  Thus if we make rtype the first subscript, we
 * eliminate a multiply in most cases.
 */

extern BOOL Operator_To_Opcode_Table_Inited;
void Init_Operator_To_Opcode_Table(void);

#define OPCODE_make_op_MACRO(opr,rtype,desc)  ((OPCODE) ((opr) | ((rtype) << 8) | ((desc) << 13)))



#if 1
#if 0
inline OPCODE OPCODE_make_op_no_assert(OPERATOR opr, TYPE_ID rtype,
                                       TYPE_ID desc)
{
  OPCODE ret;
      
  ret = OPCODE_make_op_MACRO(opr,rtype,desc);
  ret = Is_Valid_Opcode (ret) ? ret : OPCODE_UNKNOWN;
  
  return ret;
}
#endif

inline OPCODE OPCODE_make_op(OPERATOR opr, TYPE_ID rtype, TYPE_ID desc)
{
  OPCODE ret;

  ret = OPCODE_make_op_MACRO(opr,rtype,desc);
  Is_True(Is_Valid_Opcode(ret),
          ("OPCODE_make_op: no opcode available: %d %d %d", opr, rtype, desc));

  return ret;
}
#else /* Is_True_On */
#define OPCODE_make_op(opr,rtype,desc) OPCODE_MAKE_VALID( OPCODE_make_op_MACRO(opr,rtype,desc))
#endif

#ifdef __cplusplus
}
#endif

#endif