/*
 * Copyright (c) 2000, Intel Corporation
 * All rights reserved.
 *
 * WARRANTY DISCLAIMER
 *
 * THESE MATERIALS ARE PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THESE
 * MATERIALS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Intel Corporation is the author of the Materials, and requests that all
 * problem reports or change requests be submitted to it directly at
 * http://developer.intel.com/opensource.
 */


#ifndef _DECISION_TREE_H
#define _DECISION_TREE_H

typedef enum
{
	EM_TEMP_ROLE_NONE = 0,
	EM_TEMP_ROLE_INT = EM_TEMP_ROLE_NONE,
	EM_TEMP_ROLE_MEM,
	EM_TEMP_ROLE_FP,
	EM_TEMP_ROLE_BR,
	EM_TEMP_ROLE_LONG,
	EM_TEMP_ROLE_LAST
} Temp_role_t;

typedef struct Node_s
{
	unsigned short next_node;
	char pos;
	char size;
} Node_t;

#define GET_NODE_POS(node) \
        ((node).pos)

#define GET_NODE_SIZE(node) \
        ((node).size)

#define GET_NEXT_NODE_INDEX(node) \
        ((node).next_node)

#define SQUARE(opcode, template_role) \
        (((opcode) * EM_TEMP_ROLE_LAST) + (template_role))

#define NODE_IS_LEAF(node) \
        ((unsigned char)((node).pos) == 0xff)

extern Node_t em_decision_tree[];

#endif /*_DECISION_TREE_H*/