/*
	File:	cglin.c
	Author:	John van Groningen
	At:		University of Nijmegen
*/

#include <stdio.h>
#if defined (LINUX) && defined (G_AI64)
# include <stdint.h>
#endif

#include "cgport.h"
#include "cg.h"
#include "cgconst.h"
#include "cgiconst.h"
#include "cgrconst.h"
#include "cgtypes.h"

#include "cglin.h"

#include "cgcalc.h"
#include "cgstack.h"

#define g_fhighlow

#define LOAD_X_PARAMETER_REGISTER

#ifdef G_POWER
# define IF_G_POWER(a) a
#else
# define IF_G_POWER(a)
#endif

#define LOAD_X_TO_ADDRESS 1
#define LOAD_X_TO_REGISTER 2

#ifdef sparc
# undef ALIGN_REAL_ARRAYS
# undef LOAD_STORE_ALIGNED_REAL 4
#endif

/* from cgcode.c : */

extern struct basic_block *first_block,*last_block;
extern struct instruction *last_instruction;

extern LABEL *index_error_label;

int local_data_offset;

#define S2(s,v1,v2) s.v1;s.v2
#define S3(s,v1,v2,v3) s.v1;s.v2;s.v3
#define S4(s,v1,v2,v3,v4) s.v1;s.v2;s.v3;s.v4

#define U2(s,v1,v2) s->v1;s->v2
#define U3(s,v1,v2,v3) s->v1;s->v2;s->v3
#define U4(s,v1,v2,v3,v4) s->v1;s->v2;s->v3;s->v4

IF_G_POWER(struct instruction *last_heap_pointer_update;)

static struct instruction *i_new_instruction (int instruction_code,int arity,int arg_size)
{
	register struct instruction *instruction;
	
	instruction=(struct instruction*)fast_memory_allocate (sizeof (struct instruction)+arg_size);
	
	U4(instruction,	instruction_next=NULL,
					instruction_prev=last_instruction,
					instruction_icode=instruction_code,
					instruction_arity=arity);
	
	if (last_block->block_instructions==NULL)
		last_block->block_instructions=instruction;
	else 
		last_instruction->instruction_next=instruction;
	last_instruction=instruction;
	
	return instruction;
}

static struct instruction *i_new_instruction1 (int instruction_code)
{
	struct instruction *instruction;
	
	instruction=(struct instruction*)fast_memory_allocate (sizeof (struct instruction)+sizeof (struct parameter));
	
	U4(instruction,	instruction_next=NULL,
					instruction_prev=last_instruction,
					instruction_icode=instruction_code,
					instruction_arity=1);
	
	if (last_block->block_instructions==NULL)
		last_block->block_instructions=instruction;
	else 
		last_instruction->instruction_next=instruction;
	last_instruction=instruction;
	
	return instruction;
}

static struct instruction *i_new_instruction2 (int instruction_code)
{
	struct instruction *instruction;
	
	instruction=(struct instruction*)fast_memory_allocate (sizeof (struct instruction)+2*sizeof (struct parameter));
	
	U4(instruction,	instruction_next=NULL,
					instruction_prev=last_instruction,
					instruction_icode=instruction_code,
					instruction_arity=2);
	
	if (last_block->block_instructions==NULL)
		last_block->block_instructions=instruction;
	else 
		last_instruction->instruction_next=instruction;
	last_instruction=instruction;
	
	return instruction;
}

static struct instruction *i_new_instruction3 (int instruction_code)
{
	struct instruction *instruction;
	
	instruction=(struct instruction*)fast_memory_allocate (sizeof (struct instruction)+3*sizeof (struct parameter));
	
	U4(instruction,	instruction_next=NULL,
					instruction_prev=last_instruction,
					instruction_icode=instruction_code,
					instruction_arity=3);
	
	if (last_block->block_instructions==NULL)
		last_block->block_instructions=instruction;
	else 
		last_instruction->instruction_next=instruction;
	last_instruction=instruction;
	
	return instruction;
}

void i_add_i_r (LONG value,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IADD);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

void i_add_r_r (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IADD);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#if defined (G_POWER) || defined (sparc)
static void i_addi_r_r (LONG value,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (IADDI,3,3*sizeof (struct parameter));
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);

	S2 (instruction->instruction_parameters[2],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
}
#endif

#if defined (M68000) || defined (G_POWER) || defined (G_AI64)
# if defined (M68000)
	static
# endif
void i_and_i_r (LONG value,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IAND);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

#ifdef M68000
void i_bmi_l (LABEL *label)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IBMI);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_LABEL,
												parameter_data.l=label);
}

LONG *i_bmi_i (VOID)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IBMI);
	
	instruction->instruction_parameters[0].parameter_type=P_IMMEDIATE;

	return &instruction->instruction_parameters[0].parameter_data.imm;
}
#endif

#ifdef G_POWER
void i_bnep_l (LABEL *label)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (IBNEP);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
}
#endif

#if defined (sparc) || defined (I486)
void i_bne_l (LABEL *label)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (IBNE);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
}
#endif

#ifdef M68000
static void i_bmove_pd_pd_r (int reg_1,int reg_2,int reg_3)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction (IBMOVE,3,3*sizeof (struct parameter));
	
	instruction->instruction_parameters[0].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[0].parameter_data.i=reg_1;
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=reg_2;

	instruction->instruction_parameters[2].parameter_type=P_REGISTER;
	instruction->instruction_parameters[2].parameter_data.i=reg_3;
}

static void i_bmove_pi_pi_r (int reg_1,int reg_2,int reg_3)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction (IBMOVE,3,3*sizeof (struct parameter));
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=reg_1;
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=reg_2;

	instruction->instruction_parameters[2].parameter_type=P_REGISTER;
	instruction->instruction_parameters[2].parameter_data.i=reg_3;
}
#endif

#ifdef I486
void i_btst_i_id (LONG i,int offset,int register_1)
{
	register struct instruction *instruction;

	instruction=i_new_instruction2 (IBTST);

	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);

	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}
#endif

#if defined (sparc) || defined (I486) || defined (G_POWER)
void i_btst_i_r (LONG i,int register_1)
{
	register struct instruction *instruction;

	instruction=i_new_instruction2 (IBTST);

	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);

	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

static void i_cmp_i_r (LONG value,int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (ICMP);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

static void i_cmp_id_r (int offset,int register_1,int register_2)
{
	struct instruction *instruction;
#ifdef G_POWER
	instruction=i_new_instruction2 (ICMPLW);
#else
	instruction=i_new_instruction2 (ICMP);
#endif

	S3(instruction->instruction_parameters[0],	parameter_type=P_INDIRECT,
												parameter_offset=offset,
												parameter_data.i=register_1);
	
	S2(instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#ifdef M68000
static void i_cmpw_d_id (LABEL *descriptor,int arity,int offset_1,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (ICMPW);
	
	S3(instruction->instruction_parameters[0],	parameter_type=P_DESCRIPTOR_NUMBER,
												parameter_offset=arity,
												parameter_data.l=descriptor);
	
	S3(instruction->instruction_parameters[1],	parameter_type=P_INDIRECT,
												parameter_offset=offset_1,
												parameter_data.i=register_1);
}
#endif

#if defined (M68000) || defined (I486)
# ifndef G_AI64
static
# endif
void i_exg_r_r (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IEXG);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}
#endif

#if defined (I486) && defined (FP_STACK_OPTIMIZATIONS)
# define set_float_register_parameter(p,r) (p).parameter_type=P_F_REGISTER; (p).parameter_flags=0; (p).parameter_data.i=(r)
#else
# define set_float_register_parameter(p,r) (p).parameter_type=P_F_REGISTER; (p).parameter_data.i=(r)
#endif

#if defined (M68000) || defined (G_POWER)
static void i_extb_r (int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (IEXTB);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

#ifdef M68000
void i_ext_r (int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (IEXT);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

#ifdef G_AI64
void i_fcvt2s_fr_fr (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFCVT2S);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}

void i_fcvt2s_id_fr (int offset,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFCVT2S);

	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}
#endif

#ifdef FP_STACK_OPTIMIZATIONS
static void i_fexg_fr_fr (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFEXG);

	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}
#endif

#ifdef I486
static void i_floads_id_fr (int offset,int register_2,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFLOADS);
		
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_2;

	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}
#endif

void i_fmove_fr_fr (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
		
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);	
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}

void i_fmove_fr_id (int register_1,int offset,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
#ifdef ALIGN_REAL_ARRAYS
	instruction->instruction_parameters[1].parameter_flags=0;
#endif
}

#ifdef ALIGN_REAL_ARRAYS
void i_fmove_fr_id_f (int register_1,int offset,int register_2,int flags)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
	instruction->instruction_parameters[1].parameter_flags=flags;
}
#endif

#ifdef M68000
void i_fmove_fr_pd (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

void i_fmove_fr_pi (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

#ifdef ALIGN_REAL_ARRAYS
static void i_fmove_fr_x (int register_1,int offset,int register_2,int register_3,int flags)
#else
static void i_fmove_fr_x (int register_1,int offset,int register_2,int register_3)
#endif
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction (IFMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	set_float_register_parameter (instruction->instruction_parameters[0],register_1);

	S3(instruction->instruction_parameters[1],parameter_type=P_INDEXED,parameter_offset=offset,parameter_data.ir=index_registers);
#ifdef ALIGN_REAL_ARRAYS
	instruction->instruction_parameters[1].parameter_flags=flags;
#endif
	
	index_registers->a_reg.r=register_2;
	index_registers->d_reg.r=register_3;
}

void i_fmove_id_fr (int offset,int register_2,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
		
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_2;
#ifdef ALIGN_REAL_ARRAYS
	instruction->instruction_parameters[0].parameter_flags=0;
#endif

	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}

#ifdef ALIGN_REAL_ARRAYS
void i_fmove_id_fr_f (int offset,int register_2,int register_1,int flags)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
		
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_2;
	instruction->instruction_parameters[0].parameter_flags=flags;

	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}
#endif

#ifdef M68000
void i_fmove_pd_fr (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
		
	instruction->instruction_parameters[0].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;

	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}

void i_fmove_pi_fr (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVE);
		
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;

	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}
#endif

static void i_fmove_if_fr (DOUBLE r,int register_1)
{
	struct instruction *instruction;
	DOUBLE *rp;
	
	instruction=i_new_instruction2 (IFMOVE);
	rp=(DOUBLE*)fast_memory_allocate (sizeof (DOUBLE));
	
	instruction->instruction_parameters[0].parameter_type=P_F_IMMEDIATE;
	instruction->instruction_parameters[0].parameter_data.r=rp;
	*rp=r;

	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}

static void i_fmovel_fr_r (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVEL);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#ifdef I486
void i_fmoves_fr_id (int register_1,int offset,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IFMOVES);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

static void i_fmoves_fr_x (int register_1,int offset,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;

	instruction=i_new_instruction (IFMOVES,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	set_float_register_parameter (instruction->instruction_parameters[0],register_1);

	S3(instruction->instruction_parameters[1],parameter_type=P_INDEXED,parameter_offset=offset,parameter_data.ir=index_registers);
	
	index_registers->a_reg.r=register_2;
	index_registers->d_reg.r=register_3;
}
#endif

#if defined (I486) && !defined (G_AI64)
static void i_fsincos_fr_fr (int register_1,int register_2)
{
	struct instruction *instruction;

	instruction=i_new_instruction2 (IFSINCOS);

	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}
#endif

#ifdef ALIGN_REAL_ARRAYS
static void i_fmove_x_fr (int offset,int register_1,int register_2,int register_3,int flags)
#else
static void i_fmove_x_fr (int offset,int register_1,int register_2,int register_3)
#endif
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction (IFMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
#ifdef ALIGN_REAL_ARRAYS
	instruction->instruction_parameters[0].parameter_flags=flags;
#endif	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	set_float_register_parameter (instruction->instruction_parameters[1],register_3);
}

#ifdef I486
static void i_floads_x_fr (int offset,int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;

	instruction=i_new_instruction (IFLOADS,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;

	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	set_float_register_parameter (instruction->instruction_parameters[1],register_3);
}
#endif

void i_jmp_id (int offset_1,int register_1,int n_a_registers)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMP);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.reg.r=register_1;
	
	instruction->instruction_parameters[0].parameter_data.reg.u=n_a_registers;
}

#if defined (G_POWER) || defined (I486)
void i_jmp_id_profile (int offset_1,int register_1,int n_a_registers)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMPP);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.reg.r=register_1;
	
	instruction->instruction_parameters[0].parameter_data.reg.u=n_a_registers;
}
#endif

void i_jmp_l (LABEL *label,int n_a_registers)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMP);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
	
	instruction->instruction_parameters[0].parameter_offset=n_a_registers;
}

#if defined (G_POWER) || defined (I486)
void i_jmp_l_profile (LABEL *label,int offset)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMPP);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
	
	instruction->instruction_parameters[0].parameter_offset=offset;
}
#endif

#ifdef I486
void i_jmp_r (int a_reg)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMP);
	
	instruction->instruction_parameters[0].parameter_type=P_REGISTER;
	instruction->instruction_parameters[0].parameter_data.i=a_reg;
}

void i_jmp_r_profile (int a_reg)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJMPP);
	
	instruction->instruction_parameters[0].parameter_type=P_REGISTER;
	instruction->instruction_parameters[0].parameter_data.i=a_reg;
}
#endif

#if defined (M68000) || defined (I486)
void i_jsr_id (int offset,int register_1,int n_a_registers)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJSR);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.reg.r=register_1;
	
	instruction->instruction_parameters[0].parameter_data.reg.u=n_a_registers;
}

void i_jsr_l (LABEL *label,int n_a_registers)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJSR);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
		
	instruction->instruction_parameters[0].parameter_offset=n_a_registers;
}
#else
void i_jsr_id_id (int offset_1,int register_1,int offset_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IJSR);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;

	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
/*	instruction->instruction_parameters[1].parameter_data.reg.r=B_STACK_POINTER; */
	instruction->instruction_parameters[1].parameter_data.i=offset_2;
}

void i_jsr_l_id (LABEL *label,int offset)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IJSR);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;

	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
/*	instruction->instruction_parameters[1].parameter_data.reg.r=B_STACK_POINTER; */
	instruction->instruction_parameters[1].parameter_data.i=offset;
}

# ifdef G_POWER
	void i_jsr_id_idu (int offset_1,int register_1,int offset_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IJSR);
		
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
		instruction->instruction_parameters[0].parameter_offset=offset_1;
		instruction->instruction_parameters[0].parameter_data.i=register_1;
	
		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
/*		instruction->instruction_parameters[1].parameter_data.reg.r=B_STACK_POINTER; */
		instruction->instruction_parameters[1].parameter_data.i=offset_2;
	}

	void i_jsr_l_idu (LABEL *label,int offset)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IJSR);
		
		instruction->instruction_parameters[0].parameter_type=P_LABEL;
		instruction->instruction_parameters[0].parameter_data.l=label;
	
		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
/*		instruction->instruction_parameters[1].parameter_data.reg.r=B_STACK_POINTER; */
		instruction->instruction_parameters[1].parameter_data.i=offset;
	}
# endif
#endif

#ifdef I486
void i_jsr_r (int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IJSR);
	
	instruction->instruction_parameters[0].parameter_type=P_REGISTER;
	instruction->instruction_parameters[0].parameter_data.reg.r=register_1;
}
#endif

#if defined (sparc) || defined (G_POWER)
# ifdef sparc
void i_call_l (LABEL *label)
# else
void i_call_l (LABEL *label,int frame_size)	
# endif
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IJSR);
	
	S2(instruction->instruction_parameters[0],	parameter_type=P_LABEL,
												parameter_data.l=label);

	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
# ifdef G_POWER
	instruction->instruction_parameters[1].parameter_data.i=frame_size;
# endif
}

# ifdef sparc
void i_call_r (int register_1)
# else
void i_call_r (int register_1,int frame_size)	
# endif
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IJSR);
	
	S2(instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.reg.r=register_1);

	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
# ifdef G_POWER
	instruction->instruction_parameters[1].parameter_data.i=frame_size;
# endif
}
#endif

#ifdef I486
void i_divdu_r_r_r (int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction3 (IDIVDU);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);

	S2 (instruction->instruction_parameters[2],	parameter_type=P_REGISTER,
												parameter_data.i=register_3);
}
#endif

void i_lea_id_r (int offset,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (ILEA);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.reg.r=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.reg.r=register_2;
}

void i_lea_l_i_r (LABEL *label,int offset,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (ILEA);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.l=label;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.reg.r=register_1;
}

#if defined (sparc) || defined (I486) || defined (G_POWER)
static void i_lea_x_r (int register_1,int register_2,int register_3)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction (ILEA,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=0;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}
#endif

#if defined (G_POWER) || defined (sparc)
static void i_lsli_r_r (LONG value,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (ILSLI,3,3*sizeof (struct parameter));
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);

	S2 (instruction->instruction_parameters[2],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
}
#endif

static void i_moveb_id_r (int offset,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEB);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#if !(defined (M68000) || defined (I486))
static void i_moveb_x_r (int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction (IMOVEB,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=0;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}
#else
static void i_moveb_x_r (int offset,int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction (IMOVEB,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}
#endif

#ifdef M68000
static void i_movem_id (int offset_1,int register_1,int n_arguments,int arguments[])
{
	register struct instruction *instruction;
	register struct parameter *parameter;
	register int argument_number;
	
	instruction=i_new_instruction (IMOVEM,n_arguments+1,(n_arguments+1)*sizeof (struct parameter));
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	parameter=&instruction->instruction_parameters[1];
	
	for (argument_number=0; argument_number<n_arguments; ++argument_number){
		parameter->parameter_type=P_REGISTER;
		parameter->parameter_data.i=arguments[argument_number];
		++parameter;
	}
}

void i_movem_pd (int register_1,int n_arguments,int arguments[])
{
	struct instruction *instruction;
	struct parameter *parameter;
	int argument_number;
	
	instruction=i_new_instruction (IMOVEM,n_arguments+1,(n_arguments+1)*sizeof (struct parameter));
	
	instruction->instruction_parameters[n_arguments].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[n_arguments].parameter_data.i=register_1;
	
	parameter=&instruction->instruction_parameters[0];
	
	for (argument_number=0; argument_number<n_arguments; ++argument_number){
		parameter->parameter_type=P_REGISTER;
		parameter->parameter_data.i=arguments[argument_number];
		++parameter;
	}
}

void i_movem_pi (int register_1,int n_arguments,int arguments[])
{
	struct instruction *instruction;
	struct parameter *parameter;
	int argument_number;
	
	instruction=i_new_instruction (IMOVEM,n_arguments+1,(n_arguments+1)*sizeof (struct parameter));
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	parameter=&instruction->instruction_parameters[1];
	
	for (argument_number=0; argument_number<n_arguments; ++argument_number){
		parameter->parameter_type=P_REGISTER;
		parameter->parameter_data.i=arguments[argument_number];
		++parameter;
	}
}

void i_movem_id_r (int offset,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEM);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}
#endif

#ifdef G_AI64
void i_loadsqb_r_r (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (ILOADSQB);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

void i_loadsqb_id_r (int offset,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (ILOADSQB);
	
	S3 (instruction->instruction_parameters[0],	parameter_type=P_INDIRECT,
												parameter_offset=offset,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

static void i_loadsqb_x_r (CleanInt offset,int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(ILOADSQB,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=(offset>>2);
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}
#endif

void i_movew_id_r (int offset,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEDB);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#ifdef G_A64
static void i_move_i_id (int_64 i,int offset_1,int register_1)
#else
static void i_move_i_id (LONG i,int offset_1,int register_1)
#endif
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset_1;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}

#ifdef M68000
static void i_move_i_pi (LONG i,int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}
#endif

void i_move_i_r (CleanInt i,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

#if defined (M68000) || defined (I486)
# ifdef G_A64
static void i_move_i_x (int_64 i,int offset,int register_1,int register_2)
# else
static void i_move_i_x (LONG i,int offset,int register_1,int register_2)
# endif
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);

	instruction->instruction_parameters[1].parameter_type=P_INDEXED;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
}

void i_move_id_pd (int offset_1,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);

	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

#ifdef M68000
static void i_move_id_pi (int offset_1,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);

	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

static void i_move_d_r (LABEL *descriptor,int arity,int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_DESCRIPTOR_NUMBER;
	instruction->instruction_parameters[0].parameter_offset=arity;
	instruction->instruction_parameters[0].parameter_data.l=descriptor;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

void i_move_id_id (int offset_1,int register_1,int offset_2,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

void i_move_id_r (int offset,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#ifdef G_POWER
	void i_move_idu_r (int offset,int register_1,int register_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVE);
		
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[0].parameter_offset=offset;
		instruction->instruction_parameters[0].parameter_data.i=register_1;
		
		instruction->instruction_parameters[1].parameter_type=P_REGISTER;
		instruction->instruction_parameters[1].parameter_data.i=register_2;
	}

	void i_move_id_idu (int offset1,int register_1,int offset2,int register_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVE);
				
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
		instruction->instruction_parameters[0].parameter_offset=offset1;
		instruction->instruction_parameters[0].parameter_data.i=register_1;

		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[1].parameter_offset=offset2;
		instruction->instruction_parameters[1].parameter_data.i=register_2;
	}

	void i_move_r_idu (int register_1,int offset,int register_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVE);
				
		instruction->instruction_parameters[0].parameter_type=P_REGISTER;
		instruction->instruction_parameters[0].parameter_data.i=register_1;

		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[1].parameter_offset=offset;
		instruction->instruction_parameters[1].parameter_data.i=register_2;
	}

	void i_movew_id_idu (int offset1,int register_1,int offset2,int register_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVEDB);
				
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
		instruction->instruction_parameters[0].parameter_offset=offset1;
		instruction->instruction_parameters[0].parameter_data.i=register_1;

		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[1].parameter_offset=offset2;
		instruction->instruction_parameters[1].parameter_data.i=register_2;
	}

	void i_movew_r_idu (int register_1,int offset,int register_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVEDB);
				
		instruction->instruction_parameters[0].parameter_type=P_REGISTER;
		instruction->instruction_parameters[0].parameter_data.i=register_1;

		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[1].parameter_offset=offset;
		instruction->instruction_parameters[1].parameter_data.i=register_2;
	}
#endif

#if defined (M68000) || defined (I486)
static void i_move_id_x (int offset_1,int register_1,int offset_2,int register_2,int register_3)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;

	instruction->instruction_parameters[1].parameter_type=P_INDEXED;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_2;
	index_registers->d_reg.r=register_3;
}
#endif

void i_move_l_r (LABEL *label,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);

	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

#ifdef M68000
void i_move_pd_r (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

void i_move_pi_id (int register_1,int offset_2,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

static void i_move_pi_pi (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

#if defined (M68000) | defined (I486)
void i_move_pi_r (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}
#endif

#ifdef M68000
static void i_move_pi_x (int register_1,int offset,int register_2,int register_3)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;

	instruction->instruction_parameters[1].parameter_type=P_INDEXED;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_2;
	index_registers->d_reg.r=register_3;
}
#endif

#ifdef G_POWER
static struct instruction *instruction_move_r_idhp (int register_1,LONG offset)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT_HP;
	instruction->instruction_parameters[1].parameter_data.i=offset;

	return instruction;
}
#endif

#if defined (I486)
	void i_move_r_l (int register_1,LABEL *label)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVE);
		S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
													parameter_data.i=register_1);
		S2 (instruction->instruction_parameters[1],	parameter_type=P_LABEL,
													parameter_data.l=label);
	}
#endif

void i_move_r_id (int register_1,int offset,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

#if defined (M68000) | defined (I486)
void i_move_r_pd (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

#ifdef M68000
void i_move_r_pi (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

void i_move_r_r (int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

static void i_move_x_r (int offset,int register_1,int register_2,int register_3)
{
	struct instruction *instruction;
	struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_REGISTER;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}

static void i_move_x_id (int offset_1,int register_1,int register_2,int offset_2,int register_3)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}

#if defined (M68000)
static void i_move_x_pi (int offset,int register_1,int register_2,int register_3)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_3;
}

static void i_move_x_x (int offset_1,int register_1,int register_2,int offset_2,int register_3,int register_4)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers_1,*index_registers_2;
	
	instruction=i_new_instruction
		(IMOVE,2,2*sizeof (struct parameter)+2*sizeof (struct index_registers));
	index_registers_1=(struct index_registers *)&instruction->instruction_parameters[2];
	index_registers_2=&index_registers_1[1];

	instruction->instruction_parameters[0].parameter_type=P_INDEXED;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.ir=index_registers_1;

	index_registers_1->a_reg.r=register_1;
	index_registers_1->d_reg.r=register_2;

	instruction->instruction_parameters[1].parameter_type=P_INDEXED;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.ir=index_registers_2;
	
	index_registers_2->a_reg.r=register_3;
	index_registers_2->d_reg.r=register_4;
}

void i_movew_id_pd (int offset_1,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEDB);

	instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[0].parameter_offset=offset_1;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

void i_movew_pi_id (int register_1,int offset_2,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEDB);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset_2;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}

void i_movew_pi_r (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEDB);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

void i_movew_r_pd (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMOVEDB);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_2;
}
#endif

#ifdef I486
void i_mulud_r_r (int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IMULUD);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}
#endif

#if defined (G_POWER) || defined (G_AI64)
void i_or_i_r (LONG value,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (IOR);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

#ifdef G_POWER
void i_mtctr (int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (IMTCTR,1,1*sizeof (struct parameter));	

	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}
#endif

#if ! (defined (sparc) || defined (G_POWER))
	void i_rts (void)
	{
		i_new_instruction (IRTS,0,0);
	}

# ifdef I486
	void i_rts_i (int offset)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction (IRTSI,1,1*sizeof (struct parameter));
		
		S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
													parameter_data.imm=offset);
	}
	
	void i_rts_profile (void)
	{
		i_new_instruction (IRTSP,0,0);
	}
# endif
#else
	void i_rts (int offset_1,int offset_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IRTS);
	
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
		instruction->instruction_parameters[0].parameter_offset=offset_1;
		instruction->instruction_parameters[0].parameter_data.i=B_STACK_POINTER;
	
		instruction->instruction_parameters[1].parameter_type=P_IMMEDIATE;
		instruction->instruction_parameters[1].parameter_data.imm=offset_2;
	}
#endif

#ifdef G_POWER
	void i_rts_c (void)
	{
		i_new_instruction (IRTS,0,0);
	}

	void i_rts_profile (int offset_1,int offset_2)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IRTSP);
	
		instruction->instruction_parameters[0].parameter_type=P_INDIRECT;
		instruction->instruction_parameters[0].parameter_offset=offset_1;
		instruction->instruction_parameters[0].parameter_data.i=B_STACK_POINTER;
	
		instruction->instruction_parameters[1].parameter_type=P_IMMEDIATE;
		instruction->instruction_parameters[1].parameter_data.imm=offset_2;
	}

	void i_rts_r (int register1,int offset_1)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IRTS);
	
		instruction->instruction_parameters[0].parameter_type=P_REGISTER;
		instruction->instruction_parameters[0].parameter_data.i=register1;
	
		instruction->instruction_parameters[1].parameter_type=P_IMMEDIATE;
		instruction->instruction_parameters[1].parameter_data.imm=offset_1;
	}

	void i_rts_r_profile (int register1,int offset_1)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IRTSP);
	
		instruction->instruction_parameters[0].parameter_type=P_REGISTER;
		instruction->instruction_parameters[0].parameter_data.i=register1;
	
		instruction->instruction_parameters[1].parameter_type=P_IMMEDIATE;
		instruction->instruction_parameters[1].parameter_data.imm=offset_1;
	}
#endif

void i_schedule_i (int value)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (ISCHEDULE);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
}

void i_sub_i_r (LONG value,int register_1)
{

	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (ISUB);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

#ifdef M68000
static void i_tstb_pi (int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction1 (ITSTB);
	
	instruction->instruction_parameters[0].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
}
#endif

void i_tst_r (int register_1)
{
	register struct instruction *instruction;

	instruction=i_new_instruction1 (ITST);

	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

void i_word_i (int value)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (IWORD);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
}

#define N_VECTOR_BITS	32

struct register_list {
	ULONG					r_l_vector;
	struct register_list	*r_l_next;
};

struct register_set {
	struct register_list	r_s_list;
	UWORD					r_s_first_free;
	UWORD					r_s_highest;
};

static struct register_set free_dregisters,free_aregisters,free_fregisters;

void get_n_virtual_registers
	(int *n_virtual_a_regs_p,int *n_virtual_d_regs_p,int *n_virtual_f_regs_p)
{
	*n_virtual_a_regs_p=free_aregisters.r_s_highest;
	*n_virtual_d_regs_p=free_dregisters.r_s_highest;
	*n_virtual_f_regs_p=free_fregisters.r_s_highest;
}

static int get_free_register_number (register struct register_set *r_s_p)
{
	struct register_list *r_list;
	register unsigned int bit_n,reg_n;
	ULONG vector;
	
	reg_n=r_s_p->r_s_first_free;
	
	bit_n=reg_n;
	r_list=&r_s_p->r_s_list;
	
	while (bit_n>=N_VECTOR_BITS){
		struct register_list *n_r_list;
		
		bit_n-=N_VECTOR_BITS;
		n_r_list=r_list->r_l_next;
		if (n_r_list==NULL){
			n_r_list=(struct register_list*)fast_memory_allocate (sizeof (struct register_list));
			n_r_list->r_l_next=NULL;
			
			r_list->r_l_next=n_r_list;
		}
		r_list=n_r_list;
	}	
	vector=r_list->r_l_vector;
		
	while (reg_n<r_s_p->r_s_highest){
		if (bit_n==N_VECTOR_BITS){
			bit_n=0;
			r_list=r_list->r_l_next;
			vector=r_list->r_l_vector;
		}
		if (vector & (1<<bit_n)){
			r_list->r_l_vector &= ~(1<<bit_n);
			r_s_p->r_s_first_free=reg_n+1;
			return reg_n;
		}
		++reg_n;
		++bit_n;
	}
	
	if (bit_n==N_VECTOR_BITS){
		r_list=r_list->r_l_next=(struct register_list*)fast_memory_allocate (sizeof (struct register_list));
		r_list->r_l_next=NULL;
		bit_n=0;
	}
	
	r_s_p->r_s_highest=reg_n+1;
	r_s_p->r_s_first_free=reg_n+1;
	r_list->r_l_vector &= ~(1<<bit_n);
	return reg_n;
}

static void free_register_number (struct register_set *r_s_p,unsigned int reg_n)
{
	struct register_list *r_list;
	register unsigned int bit_n;
	
	if (reg_n<r_s_p->r_s_first_free)
		r_s_p->r_s_first_free=reg_n;
	
	bit_n=reg_n;
	r_list=&r_s_p->r_s_list;
	
	while (bit_n>=N_VECTOR_BITS){
		bit_n-=N_VECTOR_BITS;
		r_list=r_list->r_l_next;
	}
	
	r_list->r_l_vector |= (1<<bit_n);
}

static void allocate_register_number (struct register_set *r_s_p,unsigned int reg_n)
{
	struct register_list *r_list;
	register unsigned int bit_n;
	
	bit_n=reg_n;
	r_list=&r_s_p->r_s_list;
	
	while (bit_n>=N_VECTOR_BITS){
		bit_n-=N_VECTOR_BITS;
		r_list=r_list->r_l_next;
	}
	
	r_list->r_l_vector &= ~(1<<bit_n);	
}

static int try_allocate_register_number (int reg_n)
{
	struct register_list *r_list;
	register unsigned int bit_n;
	
	if (is_d_register (reg_n)){
		r_list=&free_dregisters.r_s_list;
		bit_n=d_reg_num (reg_n);
	} else {
		r_list=&free_aregisters.r_s_list;
		bit_n=a_reg_num (reg_n);
	}
	
	while (bit_n>=N_VECTOR_BITS){
		bit_n-=N_VECTOR_BITS;
		r_list=r_list->r_l_next;
	}
	
	if (r_list->r_l_vector & (1<<bit_n)){
		r_list->r_l_vector &= ~(1<<bit_n);
		return 1;
	} else
		return 0;
}

static int try_get_real_dregister_number (VOID)
{
	register struct register_list *r_list;
	register unsigned int reg_n;
	ULONG vector;
	
	reg_n=free_dregisters.r_s_first_free;
	r_list=&free_dregisters.r_s_list;
	vector=r_list->r_l_vector;
		
	while (reg_n<N_DATA_PARAMETER_REGISTERS && reg_n<free_dregisters.r_s_highest){
		if (vector & (1<<reg_n)){
			r_list->r_l_vector &= ~(1<<reg_n);
			free_dregisters.r_s_first_free=reg_n+1;
			return reg_n;
		}
		++reg_n;
	}
	
	if (reg_n>=N_DATA_PARAMETER_REGISTERS)
		return -1;
	
	free_dregisters.r_s_highest=reg_n+1;
	r_list->r_l_vector &= ~(1<<reg_n);
	return reg_n;
}

static int get_dregister (VOID)
{
	return num_to_d_reg (get_free_register_number (&free_dregisters));
}

static void free_dregister (int dregister)
{
	free_register_number (&free_dregisters,d_reg_num (dregister));
}

void allocate_dregister (int dregister)
{
	allocate_register_number (&free_dregisters,d_reg_num (dregister));
}

void free_all_dregisters (VOID)
{
	free_dregisters.r_s_first_free=d_reg_num (REGISTER_D0);
	free_dregisters.r_s_highest=8;
#if defined (I486) && !defined (G_AI64)
		free_dregisters.r_s_list.r_l_vector=
						  (1<<d_reg_num (REGISTER_D0)) | (1<<d_reg_num (REGISTER_D1));
#else
	if (parallel_flag)
		free_dregisters.r_s_list.r_l_vector=
						  (1<<d_reg_num (REGISTER_D0)) | (1<<d_reg_num (REGISTER_D1))
						| (1<<d_reg_num (REGISTER_D2)) | (1<<d_reg_num (REGISTER_D3))
						| (1<<d_reg_num (REGISTER_D4)) | (1<<d_reg_num (REGISTER_D5));
	else
		free_dregisters.r_s_list.r_l_vector=
						  (1<<d_reg_num (REGISTER_D0)) | (1<<d_reg_num (REGISTER_D1))
						| (1<<d_reg_num (REGISTER_D2)) | (1<<d_reg_num (REGISTER_D3))
						| (1<<d_reg_num (REGISTER_D4)) | (1<<d_reg_num (REGISTER_D5))
						| (1<<d_reg_num (REGISTER_D6));
#endif
	free_dregisters.r_s_list.r_l_next=NULL;
}

static int get_aregister (VOID)
{
	return num_to_a_reg (get_free_register_number (&free_aregisters));
}

static void free_aregister (int aregister)
{
	free_register_number (&free_aregisters,a_reg_num (aregister));
}

void allocate_aregister (int aregister)
{
	allocate_register_number (&free_aregisters,a_reg_num (aregister));
}

void free_all_aregisters (VOID)
{
	free_aregisters.r_s_first_free=a_reg_num (REGISTER_A0);
	free_aregisters.r_s_highest=N_REAL_A_REGISTERS;
	free_aregisters.r_s_list.r_l_vector=	  (1<<a_reg_num (REGISTER_A0))
											| (1<<a_reg_num (REGISTER_A1))
#ifndef I486
											| (1<<a_reg_num (REGISTER_A2))
#endif
											;
	free_aregisters.r_s_list.r_l_next=NULL;
}

static int get_fregister (VOID)
{
	return get_free_register_number (&free_fregisters);
}

static void free_fregister (int fregister)
{
	free_register_number (&free_fregisters,fregister);
}

void allocate_fregister (int fregister)
{
	allocate_register_number (&free_fregisters,fregister);
}

void free_all_fregisters (VOID)
{
	free_fregisters.r_s_first_free=REGISTER_FP0;
	free_fregisters.r_s_highest=8;
	free_fregisters.r_s_list.r_l_vector=	(1<<REGISTER_FP0) | (1<<REGISTER_FP1) |
											(1<<REGISTER_FP2) | (1<<REGISTER_FP3) |
											(1<<REGISTER_FP4) | (1<<REGISTER_FP5) |
											(1<<REGISTER_FP6)
#ifndef I486
											| (1<<REGISTER_FP7)
#endif
											;
	free_fregisters.r_s_list.r_l_next=NULL;
}

static void free_register (int reg)
{
	if (is_d_register (reg))
		free_dregister (reg);
	else
		free_aregister (reg);
}

typedef struct address {
					int 	ad_mode;
	union {
		struct {
			union {
					LONG 	ad_register;
					LABEL	  *ad_label;
				struct {
					WORD	ad_areg;
					WORD	ad_dreg;
				} s;
			} u;
			union {
					CleanInt	ad_offset;
					INSTRUCTION_GRAPH	ad_load_x_graph;
			} u2;
		} s;
					DOUBLE	ad_real;
	} u;
					WORD   *ad_count_p;
					WORD   *ad_count_p2;
					WORD	ad_count;
					WORD	ad_count2;
} ADDRESS;

#define ad_register u.s.u.ad_register
#define ad_label u.s.u.ad_label
#define ad_areg u.s.u.s.ad_areg
#define ad_dreg u.s.u.s.ad_dreg
#define ad_offset u.s.u2.ad_offset
#define ad_load_x_graph u.s.u2.ad_load_x_graph
#define ad_real u.ad_real

static void ad_to_parameter (ADDRESS *ad_p,struct parameter *parameter_p)
{
	switch (ad_p->ad_mode){
		case P_REGISTER:
			parameter_p->parameter_type=P_REGISTER;
			parameter_p->parameter_data.i=ad_p->ad_register;
			if (--*ad_p->ad_count_p==0)
				free_register (ad_p->ad_register);
			break;
		case P_IMMEDIATE:
			parameter_p->parameter_type=P_IMMEDIATE;
			parameter_p->parameter_data.imm=ad_p->ad_offset;
			break;
		case P_INDIRECT:
			parameter_p->parameter_type=P_INDIRECT;
			parameter_p->parameter_offset=ad_p->ad_offset;
			parameter_p->parameter_data.i=ad_p->ad_register;
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			break;
		case P_DESCRIPTOR_NUMBER:
			parameter_p->parameter_type=P_DESCRIPTOR_NUMBER;
			parameter_p->parameter_offset=ad_p->ad_offset;
			parameter_p->parameter_data.l=ad_p->ad_label;
			break;
		case P_INDEXED:
		{
			struct index_registers *index_registers;
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					index_registers=(struct index_registers*)fast_memory_allocate (sizeof (struct index_registers));
			
					U3(parameter_p,	parameter_type=P_INDEXED,
									parameter_offset=i_ad_p->ad_offset,
									parameter_data.ir=index_registers);
			
					index_registers->a_reg.r=i_ad_p->ad_areg;
					index_registers->d_reg.r=i_ad_p->ad_dreg;

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					U3(parameter_p,	parameter_type=P_INDIRECT,
									parameter_offset=i_ad_p->ad_offset,
									parameter_data.i=i_ad_p->ad_register);

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
			} else {
				U2(parameter_p,parameter_type=P_REGISTER,parameter_data.i=i_ad_p->ad_register);

				if (--*i_ad_p->ad_count_p==0)
					free_register (i_ad_p->ad_register);
			}
			break;
		}
		default:
			internal_error_in_function ("ad_to_parameter");
	}
}

#if defined (FP_STACK_OPTIMIZATIONS) || defined (FMADD)
#define FP_REG_LAST_USE 4
#endif

static int fad_to_parameter_without_freeing_fregister (ADDRESS *ad_p,struct parameter *parameter_p)
{
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			set_float_register_parameter (*parameter_p,ad_p->ad_register);
			if (--*ad_p->ad_count_p==0)
				/* free_fregister (ad_p->ad_register); */
				return 1;
			break;
		case P_F_IMMEDIATE:
		{
			DOUBLE *rp;
			
			parameter_p->parameter_type=P_F_IMMEDIATE;
			rp=(DOUBLE*)fast_memory_allocate (sizeof (DOUBLE));
			parameter_p->parameter_data.r=rp;
			*rp=ad_p->ad_real;
			break;
		}
		case P_INDIRECT:
			parameter_p->parameter_type=P_INDIRECT;
			parameter_p->parameter_offset=ad_p->ad_offset;
			parameter_p->parameter_data.i=ad_p->ad_register;
#ifdef ALIGN_REAL_ARRAYS
			parameter_p->parameter_flags=0;
#endif
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			break;
		case P_DESCRIPTOR_NUMBER:
			parameter_p->parameter_type=P_DESCRIPTOR_NUMBER;
			parameter_p->parameter_offset=ad_p->ad_offset;
			parameter_p->parameter_data.l=ad_p->ad_label;
			break;
		case P_INDEXED:
		{
			struct index_registers *index_registers;
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;

			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					index_registers=(struct index_registers*)fast_memory_allocate (sizeof (struct index_registers));
			
					U3(parameter_p,	parameter_type=P_INDEXED,
									parameter_offset=i_ad_p->ad_offset,
									parameter_data.ir=index_registers);
			
					index_registers->a_reg.r=i_ad_p->ad_areg;
					index_registers->d_reg.r=i_ad_p->ad_dreg;

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					U3(parameter_p,	parameter_type=P_INDIRECT,
									parameter_offset=i_ad_p->ad_offset,
									parameter_data.i=i_ad_p->ad_register);

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
#ifdef ALIGN_REAL_ARRAYS
				parameter_p->parameter_flags = load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL;
#endif
			} else {
				set_float_register_parameter (*parameter_p,i_ad_p->ad_register);
				if (--*i_ad_p->ad_count_p==0){
					/* free_fregister (i_ad_p->ad_register);*/
					return 1;
				}
			}
			break;
		}
		default:
			internal_error_in_function ("fad_to_parameter_without_freeing_fregister");
	}
	return 0;
}

static void instruction_ad (int instruction_code,ADDRESS *ad_p)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction1 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
}

static void instruction_ad_id (int instruction_code,ADDRESS *ad_p,int offset,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);

	instruction->instruction_parameters[1].parameter_type=P_INDIRECT;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}

#ifdef G_POWER
	static void i_move_ad_idu (ADDRESS *ad_p,int offset,int register_1)
	{
		struct instruction *instruction;
		
		instruction=i_new_instruction2 (IMOVE);
		
		ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
		instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
		instruction->instruction_parameters[1].parameter_offset=offset;
		instruction->instruction_parameters[1].parameter_data.i=register_1;
	}
#endif

#ifdef M68000
static void instruction_ad_pd (int instruction_code,ADDRESS *ad_p,int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
	instruction->instruction_parameters[1].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}

static void instruction_ad_pi (int instruction_code,ADDRESS *ad_p,int register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
	instruction->instruction_parameters[1].parameter_type=P_POST_INCREMENT;
	instruction->instruction_parameters[1].parameter_data.i=register_1;
}
#endif

static void instruction_ad_r (int instruction_code,ADDRESS *ad_p,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

static void instruction_i_ad (int instruction_code,LONG value,ADDRESS *ad_p)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=value);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[1]);
}

static void instruction_d_ad (int instruction_code,LABEL *label,int arity,ADDRESS *ad_p)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	instruction->instruction_parameters[0].parameter_type=P_DESCRIPTOR_NUMBER;
	instruction->instruction_parameters[0].parameter_data.l=label;
	instruction->instruction_parameters[0].parameter_offset=arity;
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[1]);
}

static void instruction_fr_fr (int instruction_code,int register_1,int register_2)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	set_float_register_parameter (instruction->instruction_parameters[0],register_1);
	
	set_float_register_parameter (instruction->instruction_parameters[1],register_2);
}

static void instruction_l (int instruction_code,LABEL *label)
{
	struct instruction *instruction;

	instruction=i_new_instruction1 (instruction_code);
	
	instruction->instruction_parameters[0].parameter_type=P_LABEL;
	instruction->instruction_parameters[0].parameter_data.l=label;
}

static void instruction_ad_r_r (int instruction_code,ADDRESS *ad_p,int register_1,int register_2)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (instruction_code,3,3*sizeof (struct parameter));
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[2],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
}

#ifdef I486
static void instruction_r_r_r_i (int instruction_code,int register_1,int register_2,int register_3,int i)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (instruction_code,4,4*sizeof (struct parameter));
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
	
	S2 (instruction->instruction_parameters[1],	parameter_type=P_REGISTER,
												parameter_data.i=register_2);
	
	S2 (instruction->instruction_parameters[2],	parameter_type=P_REGISTER,
												parameter_data.i=register_3);

	S2 (instruction->instruction_parameters[3],	parameter_type=P_IMMEDIATE,
												parameter_data.imm=i);
}
#endif

static void instruction_r (int instruction_code,int register_1)
{
	struct instruction *instruction;

	instruction=i_new_instruction1 (instruction_code);
	
	S2 (instruction->instruction_parameters[0],	parameter_type=P_REGISTER,
												parameter_data.i=register_1);
}

#ifdef M68000
void instruction_pd (int instruction_code,int register_1)
{
	register struct instruction *instruction;

	instruction=i_new_instruction1 (instruction_code);
	
	instruction->instruction_parameters[0].parameter_type=P_PRE_DECREMENT;
	instruction->instruction_parameters[0].parameter_data.i=register_1;
}
#endif

static void instruction_ad_x (int instruction_code,ADDRESS *ad_p,int offset,int register_1,int register_2)
{
	register struct instruction *instruction;
	register struct index_registers *index_registers;
	
	instruction=i_new_instruction
		(instruction_code,2,2*sizeof (struct parameter)+sizeof (struct index_registers));
	index_registers=(struct index_registers *)&instruction->instruction_parameters[2];
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);

	instruction->instruction_parameters[1].parameter_type=P_INDEXED;
	instruction->instruction_parameters[1].parameter_offset=offset;
	instruction->instruction_parameters[1].parameter_data.ir=index_registers;
	
	index_registers->a_reg.r=register_1;
	index_registers->d_reg.r=register_2;
}

static void to_data_addressing_mode (ADDRESS *ad_p)
{
	if (ad_p->ad_mode==P_REGISTER && is_a_register (ad_p->ad_register)){
		int dreg;
		
		dreg=get_dregister();
		i_move_r_r (ad_p->ad_register,dreg);
		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);
		ad_p->ad_mode=P_REGISTER;
		ad_p->ad_register=dreg;
		ad_p->ad_count_p=&ad_p->ad_count;
		ad_p->ad_count=1;
	}
#ifdef G_A64
	else if (ad_p->ad_mode==P_IMMEDIATE && ((int)ad_p->ad_offset)!=ad_p->ad_offset){
		int dreg;
		
		dreg=get_dregister();
		i_move_i_r (ad_p->ad_offset,dreg);
		ad_p->ad_mode=P_REGISTER;
		ad_p->ad_register=dreg;
		ad_p->ad_count_p=&ad_p->ad_count;
		ad_p->ad_count=1;
	}
#endif
}

static void in_register (register ADDRESS *ad_p)
{
	int dreg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			return;
		case P_IMMEDIATE:
			dreg=get_dregister();
			i_move_i_r (ad_p->ad_offset,dreg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			dreg=get_dregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,dreg);
			break;
		case P_DESCRIPTOR_NUMBER:
			dreg=get_dregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,dreg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					dreg=get_dregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,dreg);
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);

					dreg=get_dregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,dreg);
				}
				i_ad_p->ad_register=dreg;
			} else {
				dreg=i_ad_p->ad_register;
			}
			break;
		}
		default:
			internal_error_in_function ("in_register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=dreg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void in_data_register (register ADDRESS *ad_p)
{
	int dreg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			if (is_d_register (ad_p->ad_register))
				return;
			dreg=get_dregister();
			i_move_r_r (ad_p->ad_register,dreg);
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			break;
		case P_IMMEDIATE:
			dreg=get_dregister();
			i_move_i_r (ad_p->ad_offset,dreg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			dreg=get_dregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,dreg);
			break;
		case P_DESCRIPTOR_NUMBER:
			dreg=get_dregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,dreg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					dreg=get_dregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,dreg);
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					dreg=get_dregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,dreg);
				}
				i_ad_p->ad_register=dreg;
			} else {
				dreg=i_ad_p->ad_register;
				if (!is_d_register (dreg)){
					int areg;
					
					areg=dreg;
					dreg=get_dregister();
					i_move_r_r (areg,dreg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (areg);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("in_data_register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=dreg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void in_alterable_data_register (ADDRESS *ad_p)
{
	int dreg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			if (is_d_register (ad_p->ad_register)){
				if (*ad_p->ad_count_p==1)
					return;
				dreg=get_dregister();
				i_move_r_r (ad_p->ad_register,dreg);
				--*ad_p->ad_count_p;
			} else {
				dreg=get_dregister();
				i_move_r_r (ad_p->ad_register,dreg);
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
			}
			break;
		case P_IMMEDIATE:
			dreg=get_dregister();
			i_move_i_r (ad_p->ad_offset,dreg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			dreg=get_dregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,dreg);
			break;
		case P_DESCRIPTOR_NUMBER:
			dreg=get_dregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,dreg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);

					dreg=get_dregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,dreg);
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					dreg=get_dregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,dreg);
				}
				i_ad_p->ad_register=dreg;
			} else {
				dreg=i_ad_p->ad_register;
				
				if (is_d_register (dreg)){
					if (*i_ad_p->ad_count_p>1){
						int old_dreg;
						
						old_dreg=dreg;
						dreg=get_dregister();
						i_move_r_r (old_dreg,dreg);
						--*i_ad_p->ad_count_p;
					}		
				} else {
					int areg;
					
					areg=dreg;
					dreg=get_dregister();
					i_move_r_r (areg,dreg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (areg);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("in_alterable_data register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=dreg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

#ifdef I486
static void in_preferred_alterable_register (ADDRESS *ad_p,int preferred_reg)
{
	int dreg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			if (*ad_p->ad_count_p==1)
				return;
			
			--*ad_p->ad_count_p;
			if (try_allocate_register_number (preferred_reg))
				dreg=preferred_reg;
			else
				dreg=get_dregister();
			i_move_r_r (ad_p->ad_register,dreg);
			break;
		case P_IMMEDIATE:
			if (try_allocate_register_number (preferred_reg))
				dreg=preferred_reg;
			else
				dreg=get_dregister();
			i_move_i_r (ad_p->ad_offset,dreg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			if (try_allocate_register_number (preferred_reg))
				dreg=preferred_reg;
			else
				dreg=get_dregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,dreg);
			break;
		case P_DESCRIPTOR_NUMBER:
			if (try_allocate_register_number (preferred_reg))
				dreg=preferred_reg;
			else
				dreg=get_dregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,dreg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);

					if (try_allocate_register_number (preferred_reg))
						dreg=preferred_reg;
					else
						dreg=get_dregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,dreg);
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					if (try_allocate_register_number (preferred_reg))
						dreg=preferred_reg;
					else
						dreg=get_dregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,dreg);
				}
				i_ad_p->ad_register=dreg;
			} else {
				dreg=i_ad_p->ad_register;

				if (is_d_register (dreg)){
					if (*i_ad_p->ad_count_p>1){
						int old_dreg;
						
						old_dreg=dreg;
						if (try_allocate_register_number (preferred_reg))
							dreg=preferred_reg;
						else
							dreg=get_dregister();
						i_move_r_r (old_dreg,dreg);
						--*i_ad_p->ad_count_p;
					}		
				} else {
					int areg;
					
					areg=dreg;
					if (try_allocate_register_number (preferred_reg))
						dreg=preferred_reg;
					else
						dreg=get_dregister();
					i_move_r_r (areg,dreg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (areg);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("in_alterable_data register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=dreg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}
#endif

static void in_address_register (register ADDRESS *ad_p)
{
	int areg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			if (is_a_register (ad_p->ad_register))
				return;
			areg=get_aregister();
			i_move_r_r (ad_p->ad_register,areg);
			if (--*ad_p->ad_count_p==0)
				free_dregister (ad_p->ad_register);
			break;
		case P_IMMEDIATE:
			areg=get_aregister();
			i_move_i_r (ad_p->ad_offset,areg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			areg=get_aregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,areg);
			break;
		case P_DESCRIPTOR_NUMBER:
			areg=get_aregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,areg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					areg=get_aregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,areg);
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					areg=get_aregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,areg);
				}
				i_ad_p->ad_register=areg;
			} else {
				areg=i_ad_p->ad_register;
				if (!is_a_register (areg)){
					int dreg;
					
					dreg=areg;
					areg=get_aregister();
					i_move_r_r (dreg,areg);
					if (--*i_ad_p->ad_count_p==0)
						free_dregister (dreg);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("in_address_register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=areg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void in_alterable_address_register (register ADDRESS *ad_p)
{
	int areg;
	
	switch (ad_p->ad_mode){
		case P_REGISTER:
			if (is_a_register (ad_p->ad_register)){
				if (*ad_p->ad_count_p==1)
					return;
				areg=get_aregister();
				i_move_r_r (ad_p->ad_register,areg);
				--*ad_p->ad_count_p;
			} else {
				areg=get_aregister();
				i_move_r_r (ad_p->ad_register,areg);
				if (--*ad_p->ad_count_p==0)
					free_dregister (ad_p->ad_register);
			}
			break;
		case P_IMMEDIATE:
			areg=get_aregister();
			i_move_i_r (ad_p->ad_offset,areg);
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			areg=get_aregister();
			i_move_id_r (ad_p->ad_offset,ad_p->ad_register,areg);
			break;
		case P_DESCRIPTOR_NUMBER:
			areg=get_aregister();
			i_move_d_r (ad_p->ad_label,ad_p->ad_offset,areg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);
				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					areg=get_aregister();
					i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,areg);
				} else 
				{
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					areg=get_aregister();
					i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,areg);
				}
				i_ad_p->ad_register=areg;
			} else {
				areg=i_ad_p->ad_register;
				
				if (is_a_register (areg)){
					if (*i_ad_p->ad_count_p>1){
						int old_areg;
						
						old_areg=areg;
						areg=get_aregister();
						i_move_r_r (old_areg,areg);
						--*i_ad_p->ad_count_p;
					}		
				} else {
					int dreg;
					
					dreg=areg;
					areg=get_aregister();
					i_move_r_r (dreg,areg);
					if (--*i_ad_p->ad_count_p==0)
						free_dregister (dreg);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("in_alterable_address_register");
			return;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=areg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void register_node (INSTRUCTION_GRAPH graph,int reg)
{
	graph->instruction_code=GREGISTER;
	graph->instruction_parameters[0].i=reg;
		
	if ((unsigned)a_reg_num (reg)<(unsigned)N_ADDRESS_PARAMETER_REGISTERS)
		global_block.block_graph_a_register_parameter_node[a_reg_num (reg)]=graph;
		
	if ((unsigned)d_reg_num (reg)<(unsigned)N_DATA_PARAMETER_REGISTERS
#ifdef MORE_PARAMETER_REGISTERS
									+ N_ADDRESS_PARAMETER_REGISTERS
#endif
	)
		global_block.block_graph_d_register_parameter_node[d_reg_num (reg)]=graph;
}

static void float_register_node (register INSTRUCTION_GRAPH graph,int reg)
{
	graph->instruction_code=GFREGISTER;
	graph->instruction_parameters[0].i=reg;

	if ((unsigned)reg<(unsigned)N_FLOAT_PARAMETER_REGISTERS)
		global_block.block_graph_f_register_parameter_node [reg]=graph;
}

static void linearize_graph (INSTRUCTION_GRAPH,ADDRESS *);

#if defined (G_POWER)
# define SMALL_IMMEDIATE(i) (((short int)i)==((int)i))
#endif
#if defined (sparc)
# define SMALL_IMMEDIATE(i) ((int)i<4096 && (int)i>=-4095)
#endif

static void linearize_dyadic_commutative_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}
	
	if (graph->instruction_d_min_a_cost<=0){
		if (ad_1.ad_mode==P_REGISTER && is_d_register (ad_1.ad_register) && *ad_1.ad_count_p<=1 && 
			!(ad_2.ad_mode==P_REGISTER && is_d_register (ad_2.ad_register) && *ad_2.ad_count_p<=1))
		{
			instruction_ad_r (i_instruction_code,&ad_2,ad_1.ad_register);
			--*ad_1.ad_count_p;
			reg_1=ad_1.ad_register;
		} else {
#ifndef M68000 /* optimization added 18-8-1998 */
			if (ad_2.ad_mode==P_IMMEDIATE){
# if defined (G_POWER) || defined (sparc)
				if (ad_1.ad_mode==P_REGISTER && SMALL_IMMEDIATE (ad_2.ad_offset) && i_instruction_code==IADD){
					if (--*ad_1.ad_count_p==0)
						free_register (ad_1.ad_register);	
					reg_1=get_dregister();								
					i_addi_r_r (ad_2.ad_offset,ad_1.ad_register,reg_1);
				} else
# endif
				{
				in_alterable_data_register (&ad_1);
				instruction_ad_r (i_instruction_code,&ad_2,ad_1.ad_register);
				--*ad_1.ad_count_p;
				reg_1=ad_1.ad_register;
				}
			} else {
#endif
#if defined (G_POWER) || defined (sparc)
			if (ad_1.ad_mode==P_IMMEDIATE && ad_2.ad_mode==P_REGISTER && SMALL_IMMEDIATE (ad_1.ad_offset) && i_instruction_code==IADD){
				if (--*ad_2.ad_count_p==0)
					free_register (ad_2.ad_register);
				reg_1=get_dregister();								
				i_addi_r_r (ad_1.ad_offset,ad_2.ad_register,reg_1);
			} else
#endif

			{
#if 1 /* optimization added 9-1-2000 */
			if (! (ad_1.ad_mode==P_REGISTER && ad_2.ad_mode==P_REGISTER && ad_1.ad_register==ad_2.ad_register &&
				is_d_register (ad_1.ad_register) && *ad_1.ad_count_p==2 && ad_1.ad_count_p==ad_2.ad_count_p))
#endif
				in_alterable_data_register (&ad_2);
			instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
			--*ad_2.ad_count_p;
			reg_1=ad_2.ad_register;
			}
#ifndef M68000
			}
#endif
		} 
	} else {
# if defined (G_POWER) || defined (sparc)
		if (ad_1.ad_mode==P_IMMEDIATE && ad_2.ad_mode==P_REGISTER && SMALL_IMMEDIATE (ad_1.ad_offset) && i_instruction_code==IADD){
			if (--*ad_2.ad_count_p==0)
				free_register (ad_2.ad_register);
			reg_1=get_aregister();								
			i_addi_r_r (ad_1.ad_offset,ad_2.ad_register,reg_1);
		} else if (ad_2.ad_mode==P_IMMEDIATE && ad_1.ad_mode==P_REGISTER && SMALL_IMMEDIATE (ad_2.ad_offset) && i_instruction_code==IADD){
			if (--*ad_1.ad_count_p==0)
				free_register (ad_1.ad_register);	
			reg_1=get_aregister();								
			i_addi_r_r (ad_2.ad_offset,ad_1.ad_register,reg_1);
		} else
# endif

		if ((ad_1.ad_mode==P_REGISTER || ad_1.ad_mode==P_INDIRECT) 
			&& is_a_register (ad_1.ad_register) && *ad_1.ad_count_p<=1)
		{
			in_alterable_address_register (&ad_1);
			instruction_ad_r (i_instruction_code,&ad_2,ad_1.ad_register);
			--*ad_1.ad_count_p;
			reg_1=ad_1.ad_register;
		} else {
			in_alterable_address_register (&ad_2);
			instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
			--*ad_2.ad_count_p;
			reg_1=ad_2.ad_register;
		}
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

static void linearize_dyadic_commutative_data_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}
	
	if (ad_1.ad_mode==P_REGISTER && (is_a_register (ad_1.ad_register) || *ad_1.ad_count_p<=1) &&
		!(ad_2.ad_mode==P_REGISTER && is_d_register (ad_2.ad_register) && *ad_2.ad_count_p<=1))
	{
		in_alterable_data_register (&ad_1);
		to_data_addressing_mode (&ad_2);
		instruction_ad_r (i_instruction_code,&ad_2,ad_1.ad_register);
		--*ad_1.ad_count_p;
		reg_1=ad_1.ad_register;
	} else {
		in_alterable_data_register (&ad_2);
		to_data_addressing_mode (&ad_1);
		instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
		--*ad_2.ad_count_p;
		reg_1=ad_2.ad_register;
	}
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

#ifdef M68000
static void linearize_eor_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	register INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}
	
	in_alterable_data_register (&ad_2);
	if (ad_1.ad_mode!=P_IMMEDIATE)
		in_data_register (&ad_1);
	instruction_ad_r (IEOR,&ad_1,ad_2.ad_register);
	--*ad_2.ad_count_p;
	reg_1=ad_2.ad_register;
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}
#endif

static int compare_node (INSTRUCTION_GRAPH graph,int i_test_1,int i_test_2)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int mode_1,mode_2;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;

#ifdef M68000
	if (graph_1->instruction_code==GLOAD_DES_ID && graph_1->node_count==1 
		&& graph_2->instruction_code==GLOAD_DES_I && graph_2->node_count==1)
	{
		linearize_graph (graph_1->instruction_parameters[1].p,&ad_1);
		in_address_register (&ad_1);
		if (--*ad_1.ad_count_p==0)
			free_aregister (ad_1.ad_register);
		i_cmpw_d_id (graph_2->instruction_parameters[0].l,graph_2->instruction_parameters[1].i,
					 graph_1->instruction_parameters[0].i,ad_1.ad_register);
		return i_test_2;
	}

	if (graph_2->instruction_code==GLOAD_DES_ID && graph_2->node_count==1
		&& graph_1->instruction_code==GLOAD_DES_I && graph_1->node_count==1)
	{
		linearize_graph (graph_2->instruction_parameters[1].p,&ad_1);
		in_address_register (&ad_1);
		if (--*ad_1.ad_count_p==0)
			free_aregister (ad_1.ad_register);
		i_cmpw_d_id (graph_1->instruction_parameters[0].l,
					 graph_1->instruction_parameters[1].i,
					 graph_2->instruction_parameters[0].i,ad_1.ad_register);
		return i_test_1;
	}
#endif

	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}

	mode_1=ad_1.ad_mode;
	mode_2=ad_2.ad_mode;

#ifdef G_A64
	if (mode_1==P_IMMEDIATE && ((int)ad_1.ad_offset)!=ad_1.ad_offset){
		int dreg;
		
		dreg=get_dregister();
		i_move_i_r (ad_1.ad_offset,dreg);
		mode_1=P_REGISTER;
		ad_1.ad_mode=mode_1;
		ad_1.ad_register=dreg;
		ad_1.ad_count_p=&ad_1.ad_count;
		ad_1.ad_count=1;
	}
	if (mode_2==P_IMMEDIATE && ((int)ad_2.ad_offset)!=ad_2.ad_offset){
		int dreg;
		
		dreg=get_dregister();
		i_move_i_r (ad_2.ad_offset,dreg);
		mode_2=P_REGISTER;
		ad_2.ad_mode=mode_2;
		ad_2.ad_register=dreg;
		ad_2.ad_count_p=&ad_2.ad_count;
		ad_2.ad_count=1;
	}
#endif

	if (mode_1==P_IMMEDIATE && ! (mode_2==P_IMMEDIATE || mode_2==P_DESCRIPTOR_NUMBER)){
		LONG i;
#ifdef M68000
		int real_dreg_number;
#endif
		i=ad_1.ad_offset;
#ifdef M68000
		if (i<128 && i>=-128 && i!=0 && (real_dreg_number=try_get_real_dregister_number())>=0){
			int dreg;

			dreg=num_to_d_reg (real_dreg_number);
			i_move_i_r (i,dreg);
			instruction_ad_r (ICMP,&ad_2,dreg);
			free_dregister (dreg);
			return i_test_2;
		} else {
#endif
			instruction_i_ad (ICMP,i,&ad_2);
			return i_test_1;
#ifdef M68000
		}
#endif
	} else if (mode_1==P_DESCRIPTOR_NUMBER && ! (mode_2==P_IMMEDIATE || mode_2==P_DESCRIPTOR_NUMBER)){
		instruction_d_ad (ICMP,ad_1.ad_label,ad_1.ad_offset,&ad_2);
		return i_test_1;
	} else if (mode_2==P_IMMEDIATE && ! (mode_1==P_IMMEDIATE || mode_1==P_DESCRIPTOR_NUMBER)){
		LONG i;
#ifdef M68000
		int real_dreg_number;
#endif
		
		i=ad_2.ad_offset;
#ifdef M68000
		if (i<128 && i>=-128 && i!=0 && (real_dreg_number=try_get_real_dregister_number())>=0){
			int dreg;
			
			dreg=num_to_d_reg (real_dreg_number);
			i_move_i_r (i,dreg);
			instruction_ad_r (ICMP,&ad_1,dreg);
			free_dregister (dreg);
			return i_test_1;
		} else {
#endif
			instruction_i_ad (ICMP,i,&ad_1);
			return i_test_2;
#ifdef M68000
		}
#endif
	} else if (mode_2==P_DESCRIPTOR_NUMBER 
			   && ! (mode_1==P_IMMEDIATE || mode_1==P_DESCRIPTOR_NUMBER)){
		instruction_d_ad (ICMP,ad_2.ad_label,ad_2.ad_offset,&ad_1);
		return i_test_2;
	} else if (mode_2==P_REGISTER 
			   || (mode_1!=P_REGISTER && mode_2==P_INDIRECT && *ad_2.ad_count_p==1)){
		in_register (&ad_2);
		instruction_ad_r (ICMP,&ad_1,ad_2.ad_register);
		if (--*ad_2.ad_count_p==0)
			free_register (ad_2.ad_register);
		return i_test_1;
	} else {	
		in_register (&ad_1);
		instruction_ad_r (ICMP,&ad_2,ad_1.ad_register);
		if (--*ad_1.ad_count_p==0)
			free_register (ad_1.ad_register);
		return i_test_2;
	}
}

enum {
	CEQ,	CNE,	CGT,	CLT,	CGE,	CLE,
	CO,		CNO,	CGTU,	CLTU,	CGEU,	CLEU,
	CFEQ,	CFNE,	CFGT,	CFLT,	CFGE,	CFLE
};

#define is_float_condition(c) ((c)>=CFEQ)

int condition_to_set_instruction[]=
{
	ISEQ,	ISNE,	ISGT,	ISLT,	ISGE,	ISLE,
	ISO,	ISNO,	ISGTU,	ISLTU,	ISGEU,	ISLEU,
	IFSEQ,	IFSNE,	IFSGT,	IFSLT,	IFSGE,	IFSLE
};

static int condition_to_branch_false_instruction[]=
{
	IBNE,	IBEQ,	IBLE,	IBGE,	IBLT,	IBGT,
	IBNO,	IBO,	IBLEU,	IBGEU,	IBLTU,	IBGTU,
#if defined (I486) && !defined (G_A64)
	IFCNE,	IFCEQ,	IFCLE,	IFCGE,	IFCLT,	IFCGT
#else
	IFBNE,	IFBEQ,	IFBLE,	IFBGE,	IFBLT,	IFBGT
#endif
};

static int condition_to_branch_true_instruction[]=
{
	IBEQ,	IBNE,	IBGT,	IBLT,	IBGE,	IBLE,
	IBO,	IBNO,	IBGTU,	IBLTU,	IBGEU,	IBLEU,
#if defined (I486) && !defined (G_A64)
	IFCEQ,	IFCNE,	IFCGT,	IFCLT,	IFCGE,	IFCLE
#else
	IFBEQ,	IFBNE,	IFBGT,	IFBLT,	IFBGE,	IFBLE
#endif
};

static void save_condition (INSTRUCTION_GRAPH graph,int condition)
{
	int reg_1;

	reg_1=get_dregister();
	instruction_r (condition_to_set_instruction[condition],reg_1);

	if (graph->instruction_d_min_a_cost>0){
		int areg;
	
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		reg_1=areg;
	}

	register_node (graph,reg_1);
	--graph->node_count;
}

static int float_compare_node (INSTRUCTION_GRAPH graph,int condition_1,int condition_2);
static int linearize_not_condition (INSTRUCTION_GRAPH graph);

static int linearize_condition (INSTRUCTION_GRAPH graph)
{
	int condition;
	
	switch (graph->instruction_code){
		case GCMP_EQ:
			condition=compare_node (graph,CEQ,CEQ);
			break;
		case GCMP_LT:
			condition=compare_node (graph,CLT,CGT);
			break;
		case GCMP_LTU:
			condition=compare_node (graph,CLTU,CGTU);
			break;
		case GCMP_GT:
			condition=compare_node (graph,CGT,CLT);
			break;
		case GCMP_GTU:
			condition=compare_node (graph,CGTU,CLTU);
			break;
		case GFCMP_EQ:
			condition=float_compare_node (graph,CFEQ,CFEQ);
			break;
		case GFCMP_LT:
			condition=float_compare_node (graph,CFLT,CFGT);
			break;
		case GFCMP_GT:
			condition=float_compare_node (graph,CFGT,CFLT);
			break;
		case GCNOT:
			condition=linearize_not_condition (graph->instruction_parameters[0].p);
			break;
		case GTEST_O:
			if (graph->node_count==0){
#ifdef sparc
				if (graph->inode_arity==0)
					return CNE;
				else
#endif
				return CO;
			} /* else default */
		default:
		{
			ADDRESS ad_1;
			
			linearize_graph (graph,&ad_1);
			
			if (ad_1.ad_mode==P_REGISTER && is_a_register (ad_1.ad_register)){
				/* TST.L An is an illegal instruction, use CMP.L #0,An */
				i_cmp_i_r (0,ad_1.ad_register);
				if (--*ad_1.ad_count_p==0)
					free_aregister (ad_1.ad_register);
			} else {
				if (ad_1.ad_mode==P_IMMEDIATE)	/* TST #d is an illegal instruction */
					in_data_register (&ad_1);
				instruction_ad (ITST,&ad_1);
			}
			return CNE;
		}
	}
	if (graph->node_count>1){
		save_condition (graph,condition);
		condition=CNE;
	}
	return condition;
}

static int linearize_not_condition (INSTRUCTION_GRAPH graph)
{
	int condition;
	
	switch (graph->instruction_code){
		case GCMP_EQ:
			condition=compare_node (graph,CNE,CNE);
			break;
		case GCMP_LT:
			condition=compare_node (graph,CGE,CLE);
			break;
		case GCMP_LTU:
			condition=compare_node (graph,CGEU,CLEU);
			break;
		case GCMP_GT:
			condition=compare_node (graph,CLE,CGE);
			break;
		case GCMP_GTU:
			condition=compare_node (graph,CLEU,CGEU);
			break;
		case GFCMP_EQ:
			condition=float_compare_node (graph,CFNE,CFNE);
			break;
		case GFCMP_LT:
			condition=float_compare_node (graph,CFGE,CFLE);
			break;
		case GFCMP_GT:
			condition=float_compare_node (graph,CFLE,CFGE);
			break;
		case GCNOT:
			condition=linearize_condition (graph->instruction_parameters[0].p);
			break;
		case GTEST_O:
			if (graph->node_count==0){
#ifdef sparc
				if (graph->inode_arity==0)
					return CEQ;
				else
#endif
				return CNO;
			} /* else default */
		default:
		{
			ADDRESS ad_1;
	
			linearize_graph (graph,&ad_1);
			
			if (ad_1.ad_mode==P_REGISTER && is_a_register (ad_1.ad_register)){
				/* TST.L An is an illegal instruction, use CMP.L #0,An */
				/* (MOVE.L An,Dn would be faster */
				i_cmp_i_r (0,ad_1.ad_register);
				if (--*ad_1.ad_count_p==0)
					free_aregister (ad_1.ad_register);
			} else {
				if (ad_1.ad_mode==P_IMMEDIATE)	/* TST #d is an illegal instruction */
					in_data_register (&ad_1);
				instruction_ad (ITST,&ad_1);
			}
			return CEQ;
		}
	}
	if (graph->node_count>1){
		save_condition (graph,condition);
		condition=CEQ;
	}
	return condition;
}

static void condition_to_register (INSTRUCTION_GRAPH graph,int condition,ADDRESS *ad_p)
{
	int reg_1;
	
	reg_1=get_dregister();
	instruction_r (condition_to_set_instruction[condition],reg_1);
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		reg_1=areg;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

static void linearize_compare_operator (int i_test_1,int i_test_2,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	int condition;
	
	condition=compare_node (graph,i_test_1,i_test_2);
	condition_to_register (graph,condition,ad_p);
}

static void linearize_dyadic_non_commutative_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}

# if defined (G_POWER) || defined (sparc)
	if (ad_1.ad_mode==P_IMMEDIATE && ad_2.ad_mode==P_REGISTER && SMALL_IMMEDIATE (-ad_1.ad_offset) && i_instruction_code==ISUB){
		int reg_1;
		
		if (--*ad_2.ad_count_p==0)
			free_register (ad_2.ad_register);	

		if (graph->instruction_d_min_a_cost<=0)
			reg_1=get_dregister();
		else
			reg_1=get_aregister();

		i_addi_r_r (-ad_1.ad_offset,ad_2.ad_register,reg_1);

		ad_p->ad_mode=P_REGISTER;
		ad_p->ad_register=reg_1;
		
		ad_p->ad_count_p=&graph->node_count;
		if (*ad_p->ad_count_p>1)
			register_node (graph,reg_1);
		
		return;
	}
# endif
	
	if (graph->instruction_d_min_a_cost<=0)
		in_alterable_data_register (&ad_2);
	else
		in_alterable_address_register (&ad_2);

#ifdef G_A64
	if (ad_1.ad_mode==P_IMMEDIATE && ((int)ad_1.ad_offset)!=ad_1.ad_offset){
		int dreg;
		
		dreg=get_dregister();
		i_move_i_r (ad_1.ad_offset,dreg);
		ad_1.ad_mode=P_REGISTER;
		ad_1.ad_register=dreg;
		ad_1.ad_count_p=&ad_1.ad_count;
		ad_1.ad_count=1;
	}
#endif

	instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
	--*ad_2.ad_count_p;

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=ad_2.ad_register;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,ad_p->ad_register);
}

static void linearize_dyadic_non_commutative_data_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	register INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}
	
	in_alterable_data_register (&ad_2);
	to_data_addressing_mode (&ad_1);
	instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
	--*ad_2.ad_count_p;
	reg_1=ad_2.ad_register;
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

static void linearize_monadic_data_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1;
	ADDRESS ad_1;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	
	linearize_graph (graph_1,&ad_1);
	
	in_alterable_data_register (&ad_1);
	reg_1=ad_1.ad_register;
	instruction_r (i_instruction_code,reg_1);
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

#if defined (I486) || defined (G_POWER)
static void linearize_div_rem_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}

	in_alterable_data_register (&ad_2);
	to_data_addressing_mode (&ad_1);

# ifdef I486
	if (ad_1.ad_mode==P_IMMEDIATE){
		if (i_instruction_code==IDIVU || i_instruction_code==IREMU){
			in_data_register (&ad_1);
			instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);		
		} else {
			int i;
			
			i=ad_1.ad_offset;
			if (i_instruction_code==IREM && i<0 && i!=0x80000000)
				i=-i;
			
			if ((i & (i-1))==0 && (i_instruction_code==IREM ? i>1 : i>0))
				instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
			else if (i>1 || (i<-1 && i!=0x80000000)){
				int tmp_reg;
				
				tmp_reg=get_dregister();
				instruction_ad_r_r (i_instruction_code==IDIV ? IDIVI : IREMI,&ad_1,ad_2.ad_register,tmp_reg);
				free_dregister (tmp_reg);
			} else {
				in_data_register (&ad_1);
				instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
			}
		}
	} else {
		if (ad_1.ad_mode==P_INDEXED)
			in_data_register (&ad_1);
		instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
	}
# else
	instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
# endif

	--*ad_2.ad_count_p;
	reg_1=ad_2.ad_register;
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}
#else
static void linearize_rem_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	register INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}
	
	in_alterable_data_register (&ad_2);
	to_data_addressing_mode (&ad_1);

	if (ad_1.ad_mode==P_INDEXED)
		in_data_register (&ad_1);

	if (ad_1.ad_mode==P_REGISTER && is_d_register (ad_1.ad_register)){
		if (*ad_1.ad_count_p>1)
			in_alterable_data_register (&ad_1);
		++*ad_1.ad_count_p;
		reg_1=ad_1.ad_register;
	} else
		reg_1=get_dregister();
	instruction_ad_r_r (IREM,&ad_1,reg_1,ad_2.ad_register);
	free_dregister (ad_2.ad_register);
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}
#endif

#ifdef I486
static void linearize_floordiv_mod_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1,tmp_reg;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}

	{
	int i;

	if (ad_1.ad_mode==P_IMMEDIATE && i_instruction_code==IFLOORDIV &&
		(i=ad_1.ad_offset, (i>1 || (i<-1 && i!=0x80000000))))
	{
		int tmp_reg2;

		if (try_allocate_register_number (REGISTER_D0)){
			tmp_reg2=REGISTER_D0;
			in_alterable_data_register (&ad_2);		
		} else {
			in_alterable_data_register (&ad_2);
			tmp_reg2=get_dregister();
		}
		if (try_allocate_register_number (REGISTER_A1))
			tmp_reg=REGISTER_A1;
		else
			tmp_reg=get_dregister();
		instruction_r_r_r_i (i_instruction_code,tmp_reg2,ad_2.ad_register,tmp_reg,i);
		free_register (tmp_reg2);
	} else {
		in_preferred_alterable_register (&ad_2,REGISTER_D0);
		in_alterable_data_register (&ad_1);

		if (try_allocate_register_number (REGISTER_A1))
			tmp_reg=REGISTER_A1;
		else
			tmp_reg=get_dregister();
		instruction_ad_r_r (i_instruction_code,&ad_1,ad_2.ad_register,tmp_reg);
	}
	}

	free_register (tmp_reg);

	--*ad_2.ad_count_p;
	reg_1=ad_2.ad_register;
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}
#endif

#ifdef I486
static int linearize_first_graph_first (INSTRUCTION_GRAPH a_graph_1,INSTRUCTION_GRAPH a_graph_2)
{
	int i1,i2,u1,u2;
	int a,d;
	
	a=a_graph_1->i_aregs; d=a_graph_1->i_dregs; i1=AD_REG_WEIGHT (a,d);
	a=a_graph_2->i_aregs; d=a_graph_2->i_dregs; i2=AD_REG_WEIGHT (a,d);
	
	a=a_graph_1->u_aregs; d=a_graph_1->u_dregs; u1=AD_REG_WEIGHT (a,d);
	a=a_graph_2->u_aregs; d=a_graph_2->u_dregs; u2=AD_REG_WEIGHT (a,d);
	
	if (i1<0)
		return ! (i2<0 && (u2<u1 || (u1==u2 && i2<i1)));
	else if (i1==0)
		return ! (i2<0 || (i2==0 && u2<u1));
	else
		return ! (i2<=0 || (u2-i2>u1-i1 || (u2-i2==u1-i1 && i2<i1)));
}

static void linearize_3_graphs (INSTRUCTION_GRAPH graph_1,ADDRESS *ad_1_p,
								INSTRUCTION_GRAPH graph_2,ADDRESS *ad_2_p,
								INSTRUCTION_GRAPH graph_3,ADDRESS *ad_3_p)
{
	if (linearize_first_graph_first (graph_1,graph_2)){
		if (linearize_first_graph_first (graph_1,graph_3)){
			linearize_graph (graph_1,ad_1_p);
			if (linearize_first_graph_first (graph_2,graph_3)){
				linearize_graph (graph_2,ad_2_p);
				linearize_graph (graph_3,ad_3_p);
			} else {
				linearize_graph (graph_3,ad_3_p);
				linearize_graph (graph_2,ad_2_p);				
			}
		} else {
			linearize_graph (graph_3,ad_3_p);
			linearize_graph (graph_1,ad_1_p);
			linearize_graph (graph_2,ad_2_p);
		}
	} else {
		if (linearize_first_graph_first (graph_2,graph_3)){
			linearize_graph (graph_2,ad_2_p);				
			if (linearize_first_graph_first (graph_1,graph_3)){
				linearize_graph (graph_1,ad_1_p);
				linearize_graph (graph_3,ad_3_p);
			} else {
				linearize_graph (graph_3,ad_3_p);
				linearize_graph (graph_1,ad_1_p);				
			}
		} else {
			linearize_graph (graph_3,ad_3_p);
			linearize_graph (graph_2,ad_2_p);
			linearize_graph (graph_1,ad_1_p);
		}
	}
}

static void linearize_two_results_operator (INSTRUCTION_GRAPH result_graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph,result_graph2;
	ADDRESS ad_1,ad_2;
	int reg_1,reg_2;
	
	graph=result_graph->instruction_parameters[0].p;
	
	if (graph->instruction_code==GMULUD){
		INSTRUCTION_GRAPH graph_1,graph_2;

		graph_1=graph->instruction_parameters[0].p;
		graph_2=graph->instruction_parameters[1].p;

		if (graph->order_left){
			linearize_graph (graph_1,&ad_1);
			linearize_graph (graph_2,&ad_2);
		} else {
			linearize_graph (graph_2,&ad_2);
			linearize_graph (graph_1,&ad_1);
		}

		in_preferred_alterable_register (&ad_2,REGISTER_D0);
		in_preferred_alterable_register (&ad_1,REGISTER_A1);

		reg_1=ad_1.ad_register;
		reg_2=ad_2.ad_register;
		i_mulud_r_r (reg_1,reg_2);
	} else if (graph->instruction_code==GDIVDU){
		ADDRESS ad_3;

		linearize_3_graphs (graph->instruction_parameters[0].p,&ad_1,
							graph->instruction_parameters[1].p,&ad_2,
							graph->instruction_parameters[2].p,&ad_3);
		
		in_preferred_alterable_register (&ad_2,REGISTER_D0);
		in_preferred_alterable_register (&ad_1,REGISTER_A1);
		in_register (&ad_3);
		
		reg_1=ad_1.ad_register;
		reg_2=ad_2.ad_register;
		if (--*ad_3.ad_count_p==0)
			free_register (ad_3.ad_register);
		i_divdu_r_r_r (ad_3.ad_register,reg_1,reg_2);
	} else if (graph->instruction_code==GADDDU){
		ADDRESS ad_3,ad_4;

		linearize_3_graphs (graph->instruction_parameters[0].p,&ad_1,
							graph->instruction_parameters[1].p,&ad_2,
							graph->instruction_parameters[2].p,&ad_3);

		in_alterable_data_register (&ad_2);
		instruction_ad_r (IADD,&ad_3,ad_2.ad_register);

		in_alterable_data_register (&ad_1);	
		ad_4.ad_mode=P_IMMEDIATE;
		ad_4.ad_offset=0;
		instruction_ad_r (IADC,&ad_4,ad_1.ad_register);

		reg_1=ad_1.ad_register;
		reg_2=ad_2.ad_register;
	} else if (graph->instruction_code==GSUBDU){
		ADDRESS ad_3,ad_4;

		linearize_3_graphs (graph->instruction_parameters[0].p,&ad_1,
							graph->instruction_parameters[1].p,&ad_2,
							graph->instruction_parameters[2].p,&ad_3);

		in_alterable_data_register (&ad_2);
		instruction_ad_r (ISUB,&ad_3,ad_2.ad_register);

		in_alterable_data_register (&ad_1);	
		ad_4.ad_mode=P_IMMEDIATE;
		ad_4.ad_offset=0;
		instruction_ad_r (ISBB,&ad_4,ad_1.ad_register);

		reg_1=ad_1.ad_register;
		reg_2=ad_2.ad_register;
	} else
		internal_error_in_function ("linearize_two_results_operator");

	result_graph2=result_graph->instruction_parameters[1].p;

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_count_p=&result_graph->node_count;

	if (result_graph->instruction_code==GRESULT0){
		ad_p->ad_register=reg_1;
		if (result_graph->node_count>1)
			register_node (result_graph,reg_1);
		if (result_graph2->node_count>0)
			register_node (result_graph2,reg_2);
		else {
			--*ad_2.ad_count_p;
			free_register (reg_2);
		}
	} else {
		ad_p->ad_register=reg_2;
		if (result_graph->node_count>1)
			register_node (result_graph,reg_2);
		if (result_graph2->node_count>0)
			register_node (result_graph2,reg_1);
		else {
			--*ad_1.ad_count_p;
			free_register (reg_1);
		}
	}
}
#endif

#ifndef I486
static void linearize_shift_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
#else
static void linearize_shift_operator (int i_instruction_code,int i_instruction_code_s,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
#endif
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	
	if (graph->order_left){
		linearize_graph (graph_1,&ad_1);
		linearize_graph (graph_2,&ad_2);
	} else {
		linearize_graph (graph_2,&ad_2);
		linearize_graph (graph_1,&ad_1);
	}

#if defined (G_POWER) || defined (sparc)
	if (i_instruction_code==ILSL && ad_1.ad_mode==P_IMMEDIATE && (unsigned)ad_1.ad_offset<(unsigned)32){
		in_register (&ad_2);
		if (--*ad_2.ad_count_p==0)
			free_register (ad_2.ad_register);
		
		if (graph->instruction_d_min_a_cost<=0)
			reg_1=get_dregister();
		else
			reg_1=get_aregister();
					
		i_lsli_r_r (ad_1.ad_offset,ad_2.ad_register,reg_1);
	} else {
#endif

	in_alterable_data_register (&ad_2);

#ifdef M68000
	if (ad_1.ad_mode!=P_IMMEDIATE || ad_1.ad_offset<=0 || ad_1.ad_offset>8)
#else
# ifndef G_A64
	if (ad_1.ad_mode!=P_IMMEDIATE || ad_1.ad_offset<0 || ad_1.ad_offset>=32)
# else
	if (ad_1.ad_mode!=P_IMMEDIATE || ad_1.ad_offset<0 || ad_1.ad_offset>=64)
# endif
#endif
		in_data_register (&ad_1);

#ifdef I486
	if (ad_1.ad_mode!=P_IMMEDIATE){
		int tmp_reg;

		if (try_allocate_register_number (REGISTER_A0))
			tmp_reg=REGISTER_A0;
		else
			tmp_reg=get_dregister();
		instruction_ad_r_r (i_instruction_code_s,&ad_1,ad_2.ad_register,tmp_reg);
		free_register (tmp_reg);
	} else
#endif
	instruction_ad_r (i_instruction_code,&ad_1,ad_2.ad_register);
	--*ad_2.ad_count_p;

	reg_1=ad_2.ad_register;
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg_1,areg);
		free_dregister (reg_1);
		reg_1=areg;
	}

#if defined (G_POWER) || defined (sparc)
	}
#endif

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	
	ad_p->ad_count_p=&graph->node_count;
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

static void linearize_integer_o_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_r_p,ADDRESS *ad_f_p,
											void linearize_operator (int,INSTRUCTION_GRAPH,ADDRESS *),int i_instruction_code)
{
	INSTRUCTION_GRAPH test_o_graph;
	int reg_1;

	test_o_graph=graph->instruction_parameters[2].p;

	if (ad_r_p!=NULL){
		linearize_operator (i_instruction_code,graph,ad_r_p);
	} else {
		ADDRESS ad_r;

		linearize_operator (i_instruction_code,graph,&ad_r);
		
		if (graph->node_count>0){
			register_node (graph,ad_r.ad_register);
		} else
			free_register (ad_r.ad_register);
	}

	if (test_o_graph->node_count!=0){
		reg_1=get_dregister();
#ifdef sparc
		instruction_r (condition_to_set_instruction[test_o_graph->inode_arity==0 ? CNE : CO],reg_1);
#else
		instruction_r (condition_to_set_instruction[CO],reg_1);
#endif			
		if (ad_f_p==NULL){
			register_node (test_o_graph,reg_1);
		} else {
			ad_f_p->ad_mode=P_REGISTER;
			ad_f_p->ad_register=reg_1;			
			ad_f_p->ad_count_p=&test_o_graph->node_count;
			
			if (test_o_graph->node_count>1)
				register_node (test_o_graph,reg_1);
		}
	}
}

static void linearize_add_o_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_r_p,ADDRESS *ad_f_p)
{
	linearize_integer_o_operator (graph,ad_r_p,ad_f_p,linearize_dyadic_commutative_operator,
#if defined (sparc) || defined (G_POWER)
		IADDO
#else
		IADD
#endif
		);
}

static void linearize_sub_o_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_r_p,ADDRESS *ad_f_p)
{
	linearize_integer_o_operator (graph,ad_r_p,ad_f_p,linearize_dyadic_non_commutative_operator,
#if defined (sparc) || defined (G_POWER)
		ISUBO
#else
		ISUB
#endif
		);
}

static void linearize_mul_o_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_r_p,ADDRESS *ad_f_p)
{
	linearize_integer_o_operator (graph,ad_r_p,ad_f_p,linearize_dyadic_commutative_data_operator,
#ifdef G_POWER
		IMULO
#else
		IMUL
#endif
		);
}

static void linearize_test_o_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH operator_graph;

	operator_graph=graph->instruction_parameters[0].p;

	switch (operator_graph->instruction_code){
		case GADD_O:
			linearize_add_o_operator (operator_graph,NULL,ad_p);
			break;
		case GMUL_O:
			linearize_mul_o_operator (operator_graph,NULL,ad_p);
			break;
		case GSUB_O:
			linearize_sub_o_operator (operator_graph,NULL,ad_p);
			break;
		default:
			internal_error_in_function ("linearize_test_o_operator");
	}
}

static void linearize_conditional_not_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	int condition;
	
	condition=linearize_not_condition (graph->instruction_parameters[0].p);
	condition_to_register (graph,condition,ad_p);
}

static void linearize_float_graph (INSTRUCTION_GRAPH graph,ADDRESS *ad_p);

#define MAX(a,b) ((a)>(b)?(a):(b))

static ADDRESS *evaluate_arguments (union instruction_parameter arguments[],int n_arguments)
{
	int argument_number;
	char *argument_evaluated;
	ADDRESS *ad_a;
	char small_argument_evaluated[32];

	ad_a=(ADDRESS*)memory_allocate (sizeof (ADDRESS) * n_arguments);
	
	if (n_arguments<32)
		argument_evaluated=small_argument_evaluated;
	else
		argument_evaluated=(char*)memory_allocate (sizeof (char) * n_arguments);
	
	for (argument_number=0; argument_number<n_arguments; ++argument_number)
		argument_evaluated[argument_number]=(arguments[argument_number].p==NULL);
	
	for (;;){
		int first_argument_number;
		INSTRUCTION_GRAPH a_graph_1;
		
		first_argument_number=0;
		while (first_argument_number<n_arguments && argument_evaluated[first_argument_number])
			++first_argument_number;
		
		if (first_argument_number>=n_arguments)
			break;
			
		a_graph_1=arguments[first_argument_number].p;
		
		for (argument_number=first_argument_number+1; argument_number<n_arguments; ++argument_number){
			if (!argument_evaluated[argument_number]){
				INSTRUCTION_GRAPH a_graph_2;
				int i1,i2,u1,u2;
				int a,d;
				
				a_graph_2=arguments[argument_number].p;
				
				a=a_graph_1->i_aregs; d=a_graph_1->i_dregs; i1=AD_REG_WEIGHT (a,d);
				a=a_graph_2->i_aregs; d=a_graph_2->i_dregs; i2=AD_REG_WEIGHT (a,d);
				
				a=a_graph_1->u_aregs; d=a_graph_1->u_dregs; u1=AD_REG_WEIGHT (a,d);
				a=a_graph_2->u_aregs; d=a_graph_2->u_dregs; u2=AD_REG_WEIGHT (a,d);
				
				if (i1<0){
					if (i2<0 && (u2<u1 || (u1==u2 && i2<i1))){
						first_argument_number=argument_number;
						a_graph_1=a_graph_2;
					}
				} else if (i1==0){
					if (i2<0 || (i2==0 && u2<u1)){
						first_argument_number=argument_number;
						a_graph_1=a_graph_2;
					}
				} else {
					if (i2<=0 || (u2-i2>u1-i1 || (u2-i2==u1-i1 && i2<i1))){
						first_argument_number=argument_number;
						a_graph_1=a_graph_2;
					}
				}
			}		
		}
#ifdef G_A64
		if (a_graph_1->instruction_code==GFROMF){
			INSTRUCTION_GRAPH f_graph;
				
			f_graph=a_graph_1->instruction_parameters[0].p;
			arguments[first_argument_number].p=f_graph;
				
			{
			int f_graph_count;

			f_graph_count=f_graph->node_count;
			if (--a_graph_1->node_count==0)
				--f_graph_count;
			f_graph->node_count=f_graph_count+1;
			}				

			linearize_float_graph (f_graph,&ad_a[first_argument_number]);
			argument_evaluated[first_argument_number]=1;

			ad_a[first_argument_number].ad_mode+=100;
			continue;
		}
#else
		if (a_graph_1->instruction_code==GFHIGH &&
			first_argument_number+1<n_arguments &&
			!argument_evaluated[first_argument_number+1])
		{
			INSTRUCTION_GRAPH next_graph;
			
			next_graph=arguments[first_argument_number+1].p;
			if (next_graph!=NULL && next_graph->instruction_code==GFLOW &&
				a_graph_1->instruction_parameters[0].p==next_graph->instruction_parameters[0].p)
			{
				INSTRUCTION_GRAPH f_graph;
				
				f_graph=a_graph_1->instruction_parameters[0].p;
				arguments[first_argument_number].p=f_graph;
				arguments[first_argument_number+1].p=f_graph;
				
				/* CHANGED 22-10-1999 */
				{
				int f_graph_count;

				f_graph_count=f_graph->node_count;
				if (--a_graph_1->node_count==0)
					--f_graph_count;
				if (--next_graph->node_count==0)
					--f_graph_count;
				f_graph->node_count=f_graph_count+1;
				}				
				/*
				--f_graph->node_count;
				*/
				
				linearize_float_graph (f_graph,&ad_a[first_argument_number]);
				argument_evaluated[first_argument_number]=1;
				argument_evaluated[first_argument_number+1]=1;

				ad_a[first_argument_number].ad_mode+=100;
				continue;
			}
		}
#endif
		linearize_graph (a_graph_1,&ad_a[first_argument_number]);
		argument_evaluated[first_argument_number]=1;
	}

	if (argument_evaluated!=small_argument_evaluated)
		memory_free (argument_evaluated);
	
	return ad_a;
}

#ifdef M68000
static void move_float_ad_pi (ADDRESS *ad_p,int areg)
{
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			i_fmove_fr_pi (ad_p->ad_register,areg);
			if (--*ad_p->ad_count_p==0)
				free_fregister (ad_p->ad_register);
			return;
		case P_INDIRECT:
			if (ad_p->ad_offset==0 && *ad_p->ad_count_p==1){
				i_move_pi_pi (ad_p->ad_register,areg);
				i_move_id_pi (0,ad_p->ad_register,areg);
				*ad_p->ad_count_p=0;
				free_aregister (ad_p->ad_register);
			} else {
				i_move_id_pi (ad_p->ad_offset,ad_p->ad_register,areg);
				i_move_id_pi (ad_p->ad_offset+4,ad_p->ad_register,areg);
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
			}
			return;
		case P_F_IMMEDIATE:
			i_move_i_pi (((LONG*)&ad_p->ad_register)[0],areg);
			i_move_i_pi (((LONG*)&ad_p->ad_register)[1],areg);
			return;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=(INSTRUCTION_GRAPH)ad_p->ad_offset;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
					i_move_x_pi (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,areg);
					i_move_x_pi (i_ad_p->ad_offset+(4<<2),i_ad_p->ad_areg,i_ad_p->ad_dreg,areg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					i_move_id_pi (i_ad_p->ad_offset,i_ad_p->ad_register,areg);
					i_move_id_pi (i_ad_p->ad_offset+4,i_ad_p->ad_register,areg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
			} else {
				i_fmove_fr_pi (i_ad_p->ad_register,areg);
				if (--*i_ad_p->ad_count_p==0)
					free_fregister (i_ad_p->ad_register);
			}
			return;
		}
		default:
			internal_error_in_function ("move_float_ad_pi");
	}
}
#endif

#ifndef M68000
LONG offset_from_heap_register;
#endif
#ifdef G_POWER
LONG heap_pointer_offset_in_basic_block;
#endif

void evaluate_arguments_and_free_addresses (union instruction_parameter arguments[],int n_arguments)
{
	ADDRESS *ad_a;
	
	ad_a=evaluate_arguments (arguments,n_arguments);
	memory_free (ad_a);
}

static void move_float_ad_id (ADDRESS *ad_p,int offset,int areg)
{
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			i_fmove_fr_id (ad_p->ad_register,offset,areg);
			if (--*ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (ad_p->ad_register);
			}
			return;
		case P_INDIRECT:
#ifdef M68000
			if (ad_p->ad_offset==0 && *ad_p->ad_count_p==1){
				i_move_pi_id (ad_p->ad_register,offset,areg);
				i_move_id_id (0,ad_p->ad_register,offset+4,areg);
				*ad_p->ad_count_p=0;
				free_aregister (ad_p->ad_register);
			} else {
#endif
				i_move_id_id (ad_p->ad_offset,ad_p->ad_register,offset,areg);
#ifndef G_A64
				i_move_id_id (ad_p->ad_offset+4,ad_p->ad_register,offset+4,areg);
#endif
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
#ifdef M68000
			}
#endif
			return;
		case P_F_IMMEDIATE:
#ifdef G_A64
			i_move_i_id (((int_64*)&ad_p->ad_register)[0],offset,areg);
#else
			i_move_i_id (((LONG*)&ad_p->ad_register)[0],offset,areg);
			i_move_i_id (((LONG*)&ad_p->ad_register)[1],offset+4,areg);
#endif
			return;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
#ifdef sparc
					if (i_ad_p->ad_offset!=0){
						int a_reg,offset1;
												
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_areg);
						a_reg=get_aregister();			

						offset1=i_ad_p->ad_offset>>2;

						i_lea_x_r (i_ad_p->ad_areg,i_ad_p->ad_dreg,a_reg);
						i_move_id_id (offset1,a_reg,offset,areg);
						i_move_id_id (offset1+4,a_reg,offset+4,areg);
						free_aregister (a_reg);

						if (--*i_ad_p->ad_count_p2==0)
							free_dregister (i_ad_p->ad_dreg);
						return;
					}
#endif
					i_move_x_id (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,offset,areg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
#ifndef G_A64
# if defined (M68000) || defined (I486)
					i_move_x_id (i_ad_p->ad_offset+(4<<2),i_ad_p->ad_areg,i_ad_p->ad_dreg,offset+4,areg);
# else
					{
						int a_reg;

						a_reg=get_aregister();			
						i_lea_x_r (i_ad_p->ad_areg,i_ad_p->ad_dreg,a_reg);
						i_move_id_id (4,a_reg,offset+4,areg);
						free_aregister (a_reg);
					}
# endif
#endif
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					i_move_id_id (i_ad_p->ad_offset,i_ad_p->ad_register,offset,areg);
#ifndef G_A64
					i_move_id_id (i_ad_p->ad_offset+4,i_ad_p->ad_register,offset+4,areg);
#endif
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
			} else {
				i_fmove_fr_id (i_ad_p->ad_register,offset,areg);
				if (--*i_ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
					last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
					free_fregister (i_ad_p->ad_register);
				}
			}
			return;
		}
		default:
			internal_error_in_function ("move_float_ad_id");
	}
}

static void linearize_load_graph (register INSTRUCTION_GRAPH load_graph)
{
	if (load_graph!=NULL){
		if (load_graph->node_count>0){
			switch (load_graph->instruction_code){
				case GLOAD:
				{
					int reg;
					
					if (load_graph->instruction_d_min_a_cost<=0)
						reg=get_dregister();
					else
						reg=get_aregister();
						
					i_move_id_r (load_graph->instruction_parameters[0].i,load_graph->instruction_parameters[1].i,reg);
					
					register_node (load_graph,reg);
					break;
				}
				case GFLOAD:
				{
					int reg;
					
					reg=get_fregister();
					
					i_fmove_id_fr (load_graph->instruction_parameters[0].i,load_graph->instruction_parameters[1].i,reg);
					
					float_register_node (load_graph,reg);
					
					break;
				}
				case GREGISTER:
				case GGREGISTER:
				case GFREGISTER:
				case GGFREGISTER:
					break;
#if defined (G_A64)
				case GFROMF:
					load_graph=load_graph->instruction_parameters[0].p;
					if (load_graph->node_count>0 && load_graph->instruction_code==GFLOAD){
						int reg;
						
						reg=get_fregister();
						
						i_fmove_id_fr (load_graph->instruction_parameters[0].i,load_graph->instruction_parameters[1].i,reg);
						
						float_register_node (load_graph,reg);			
					}
					break;
#endif
				default:
					internal_error_in_function ("linearize_load_graph");
			}
		}
#ifdef G_A64
		else if (load_graph->instruction_code==GFROMF){
#else
		else if (load_graph->instruction_code==GFHIGH || load_graph->instruction_code==GFLOW){
#endif
			load_graph=load_graph->instruction_parameters[0].p;
			if (load_graph->node_count>0 && load_graph->instruction_code==GFLOAD){
				int reg;
				
				reg=get_fregister();
				
				i_fmove_id_fr (load_graph->instruction_parameters[0].i,load_graph->instruction_parameters[1].i,reg);
				
				float_register_node (load_graph,reg);			
			}
		}
	}
}

static void linearize_create_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p,int result_register)
{
	int argument_number,arity;
	ADDRESS *ad_a;
	int reg_1,heap_offset;
#ifndef M68000
	int reg_1_allocated;
	
	reg_1_allocated=0;
#endif

	arity=graph->inode_arity;

	last_block->block_n_new_heap_cells+=arity;

#ifdef G_POWER
	for (argument_number=0; argument_number<arity; ++argument_number){
		INSTRUCTION_GRAPH a_graph;
		
		a_graph=graph->instruction_parameters[argument_number].p;
		
		if (a_graph!=NULL && a_graph->instruction_code==GCREATE && a_graph->node_count==1)
			a_graph->instruction_code=GCREATE_S;
	}
#endif

	ad_a=evaluate_arguments (graph->instruction_parameters,arity);

#ifndef M68000
# ifdef I486
	if (offset_from_heap_register+(arity<<2) >= 127){
# else
#	ifdef G_POWER
	if (offset_from_heap_register+(arity<<2) >= 32767){
		heap_pointer_offset_in_basic_block+=offset_from_heap_register;
#	else
	if (offset_from_heap_register+(arity<<2) >= 4096){
#	endif
# endif
		i_add_i_r (offset_from_heap_register,HEAP_POINTER);
		IF_G_POWER(last_heap_pointer_update=last_instruction;) 
		offset_from_heap_register=0;
	}

	heap_offset=offset_from_heap_register;
#else
	if (result_register!=0 && try_allocate_register_number (result_register>>1))
		reg_1=result_register>>1;
	else
		if (graph->instruction_d_min_a_cost<=0)
			reg_1=get_dregister();
		else 
			reg_1=get_aregister();

	i_move_r_r (HEAP_POINTER,reg_1);
	heap_offset=0;
#endif

	for (argument_number=0; argument_number<arity; ++argument_number){
		INSTRUCTION_GRAPH a_graph;
		
		a_graph=graph->instruction_parameters[argument_number].p;
		
		if (a_graph!=NULL){
#ifdef M68000
			if (heap_offset>0){
				i_add_i_r (heap_offset,HEAP_POINTER);
				heap_offset=0;
			}
#endif
			if (ad_a[argument_number].ad_mode>=100){
				ad_a[argument_number].ad_mode-=100;
#ifdef M68000
				move_float_ad_pi (&ad_a[argument_number],HEAP_POINTER);
#else
#	ifdef G_POWER
				move_float_ad_id (&ad_a[argument_number],heap_offset+4,HEAP_POINTER);
#	else
				move_float_ad_id (&ad_a[argument_number],heap_offset,HEAP_POINTER);
#	endif
				heap_offset+=8;
#endif
#ifndef G_A64
				++argument_number;
#endif
			} else {
#ifdef M68000
				instruction_ad_pi (IMOVE,&ad_a[argument_number],HEAP_POINTER);
#else
#	ifdef G_POWER
				if (ad_a[argument_number].ad_mode==P_STORE_HP_INSTRUCTION){
					struct instruction *instruction;

					instruction = (struct instruction*)ad_a[argument_number].ad_offset;

					instruction->instruction_parameters[1].parameter_data.i=
						heap_pointer_offset_in_basic_block+heap_offset+STACK_ELEMENT_SIZE
						-instruction->instruction_parameters[1].parameter_data.i;
				} else
					instruction_ad_id (IMOVE,&ad_a[argument_number],heap_offset+STACK_ELEMENT_SIZE,HEAP_POINTER);
#	else
				instruction_ad_id (IMOVE,&ad_a[argument_number],heap_offset,HEAP_POINTER);
#	endif
				heap_offset+=STACK_ELEMENT_SIZE;
#endif
			}
		} else {
			if (arity>3 && graph->instruction_parameters[0].p!=NULL){
#ifdef M68000
				if (heap_offset>0){
					i_add_i_r (heap_offset,HEAP_POINTER);
					heap_offset=0;
				}
				i_move_r_pi (reg_1,HEAP_POINTER);
#else
				if (!reg_1_allocated){
					if (result_register!=0 && try_allocate_register_number (result_register>>1))
						reg_1=result_register>>1;
					else
						if (graph->instruction_d_min_a_cost<=0)
							reg_1=get_dregister();
						else 
							reg_1=get_aregister();

#	ifdef G_POWER			
					i_lea_id_r (offset_from_heap_register+STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET,HEAP_POINTER,reg_1);
#	else
					if (offset_from_heap_register==0)
						i_move_r_r (HEAP_POINTER,reg_1);
					else
						i_lea_id_r (offset_from_heap_register,HEAP_POINTER,reg_1);
#	endif
		
					reg_1_allocated=1;
				}

#	ifdef G_POWER
				i_move_r_id (reg_1,heap_offset+STACK_ELEMENT_SIZE,HEAP_POINTER);
#	else
				i_move_r_id (reg_1,heap_offset,HEAP_POINTER);
#	endif
				heap_offset+=STACK_ELEMENT_SIZE;
#endif
			} else
				heap_offset+=STACK_ELEMENT_SIZE;
		}
	}

#ifndef M68000
	if (!reg_1_allocated){
		if (result_register!=0 && try_allocate_register_number (result_register>>1))
			reg_1=result_register>>1;
		else
			if (graph->instruction_d_min_a_cost<=0)
				reg_1=get_dregister();
			else 
				reg_1=get_aregister();

#	ifdef G_POWER
		i_lea_id_r (offset_from_heap_register+STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET,HEAP_POINTER,reg_1);
#	else
		if (offset_from_heap_register==0)
			i_move_r_r (HEAP_POINTER,reg_1);
		else
			i_lea_id_r (offset_from_heap_register,HEAP_POINTER,reg_1);
#	endif
	}

	offset_from_heap_register=heap_offset;
#else
	if (heap_offset>0)
		i_add_i_r (heap_offset,HEAP_POINTER);
#endif

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;

	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
	
	memory_free (ad_a);
}

#ifdef G_POWER
static struct instruction *
#else
static void
#endif
linearize_store_create_operator (int offset,int stack_pointer,INSTRUCTION_GRAPH graph)
{
	int argument_number;
	int arity,heap_offset;
	ADDRESS *ad_a;
#ifdef G_POWER
	struct instruction *instruction;
#endif

	arity=graph->inode_arity;
	
	last_block->block_n_new_heap_cells+=arity;

#ifdef G_POWER
	for (argument_number=1; argument_number<arity; ++argument_number){
		INSTRUCTION_GRAPH a_graph;
		
		a_graph=graph->instruction_parameters[argument_number].p;
		
		if (a_graph!=NULL && a_graph->instruction_code==GCREATE && a_graph->node_count==1)
			a_graph->instruction_code=GCREATE_S;
	}
#endif

	ad_a=evaluate_arguments (graph->instruction_parameters,arity);

	heap_offset=0-NODE_POINTER_OFFSET;	
	argument_number=0;

#ifdef G_POWER
# if NODE_POINTER_OFFSET==0
	if (arity>=1 && graph->instruction_parameters[0].p!=NULL && ad_a[0].ad_mode<100){
		i_move_ad_idu (&ad_a[0],offset_from_heap_register+STACK_ELEMENT_SIZE,HEAP_POINTER);
		heap_pointer_offset_in_basic_block+=offset_from_heap_register+STACK_ELEMENT_SIZE;
		offset_from_heap_register=-STACK_ELEMENT_SIZE;
		heap_offset=STACK_ELEMENT_SIZE;
		++argument_number;
	} else {
#endif
		if (offset_from_heap_register!=-(STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET)){
			i_add_i_r (offset_from_heap_register+(STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET),HEAP_POINTER);
			heap_pointer_offset_in_basic_block+=offset_from_heap_register+(STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET);
			offset_from_heap_register=-(STACK_ELEMENT_SIZE+NODE_POINTER_OFFSET);
		}
# if NODE_POINTER_OFFSET==0
	}
#endif
	if (stack_pointer==HEAP_POINTER)
		instruction=instruction_move_r_idhp (HEAP_POINTER,heap_pointer_offset_in_basic_block);
	else {
		i_move_r_id (HEAP_POINTER,offset,stack_pointer);
		instruction=NULL;
	}
	IF_G_POWER (last_heap_pointer_update=last_instruction;) 
#else
# ifndef M68000
	if (offset_from_heap_register>0){
		i_add_i_r (offset_from_heap_register,HEAP_POINTER);
		IF_G_POWER (last_heap_pointer_update=last_instruction;) 
		offset_from_heap_register=0;
	}
# endif
	i_move_r_id (HEAP_POINTER,offset,stack_pointer);
#endif

	for (; argument_number<arity; ++argument_number){
		INSTRUCTION_GRAPH a_graph;
		
		a_graph=graph->instruction_parameters[argument_number].p;
		
		if (a_graph!=NULL){
#ifdef M68000
			if (heap_offset>0){
				i_add_i_r (heap_offset,HEAP_POINTER);
				heap_offset=0;
			}
#endif
			if (ad_a[argument_number].ad_mode>=100){
				ad_a[argument_number].ad_mode-=100;
#ifdef M68000
				move_float_ad_pi (&ad_a[argument_number],HEAP_POINTER);
#else
				move_float_ad_id (&ad_a[argument_number],heap_offset,HEAP_POINTER);
				heap_offset+=8;
#endif
#ifndef G_A64
				++argument_number;
#endif
			} else {
#ifdef M68000
				instruction_ad_pi (IMOVE,&ad_a[argument_number],HEAP_POINTER);
#else
# ifdef G_POWER
				if (ad_a[argument_number].ad_mode==P_STORE_HP_INSTRUCTION){
					struct instruction *instruction;

					instruction = (struct instruction*)ad_a[argument_number].ad_offset;

					instruction->instruction_parameters[1].parameter_data.i=
						heap_pointer_offset_in_basic_block+heap_offset
						-instruction->instruction_parameters[1].parameter_data.i;
				} else
# endif
				instruction_ad_id (IMOVE,&ad_a[argument_number],heap_offset,HEAP_POINTER);
				heap_offset+=STACK_ELEMENT_SIZE;
#endif
			}
		} else
			heap_offset+=STACK_ELEMENT_SIZE;
	}

#ifndef M68000
#	ifdef G_POWER
	offset_from_heap_register=heap_offset-STACK_ELEMENT_SIZE;
#	else
	offset_from_heap_register=heap_offset;
#	endif
#else
	if (heap_offset>0)
		i_add_i_r (heap_offset,HEAP_POINTER);
#endif

	memory_free (ad_a);

#ifdef G_POWER
	return instruction;
#endif
}

static void linearize_fill_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	int argument_number;
	ADDRESS *ad_a;
	int reg_1,reg_2,n_arguments;
	
	n_arguments=graph->inode_arity;
	while (n_arguments>1 && graph->instruction_parameters[n_arguments-1].p==NULL)
		--n_arguments;
	
	ad_a=evaluate_arguments (graph->instruction_parameters,n_arguments);
	
	if (n_arguments==2 && graph->instruction_parameters[1].p!=NULL){
		in_address_register (&ad_a[0]);
		reg_1=reg_2=ad_a[0].ad_register;
		instruction_ad_id (IMOVE,&ad_a[1],0-NODE_POINTER_OFFSET,reg_2);
		if (--*ad_a[0].ad_count_p==0 && graph->node_count==0)
			free_aregister (reg_2);
	} else if (	n_arguments==3 && graph->instruction_parameters[1].p!=NULL 
				&& graph->instruction_parameters[2].p!=NULL)
	{
		in_address_register (&ad_a[0]);
		reg_1=reg_2=ad_a[0].ad_register;
		
		if (ad_a[1].ad_mode>=100){
			ad_a[1].ad_mode-=100;
			move_float_ad_id (&ad_a[1],0-NODE_POINTER_OFFSET,reg_2);
		} else
#ifdef G_A64
			instruction_ad_id (IMOVE,&ad_a[1],0-NODE_POINTER_OFFSET,reg_2);

		if (ad_a[2].ad_mode>=100){
			ad_a[2].ad_mode-=100;
			move_float_ad_id (&ad_a[2],STACK_ELEMENT_SIZE-NODE_POINTER_OFFSET,reg_2);
		} else
			instruction_ad_id (IMOVE,&ad_a[2],STACK_ELEMENT_SIZE-NODE_POINTER_OFFSET,reg_2);
#else
		{
			instruction_ad_id (IMOVE,&ad_a[1],0-NODE_POINTER_OFFSET,reg_2);
			instruction_ad_id (IMOVE,&ad_a[2],STACK_ELEMENT_SIZE-NODE_POINTER_OFFSET,reg_2);
		}
#endif
		if (--*ad_a[0].ad_count_p==0 && graph->node_count==0)
			free_aregister (reg_2);
	} else {
#ifndef M68000
		int offset;
		
		offset=0-NODE_POINTER_OFFSET;
#endif
		if (ad_a[0].ad_mode==P_REGISTER && is_d_register (ad_a[0].ad_register)
			&& graph->instruction_d_min_a_cost<=0 && graph->node_count>0
			&& *ad_a[0].ad_count_p<=1)
		{
			reg_2=ad_a[0].ad_register;
			reg_1=get_aregister();
			i_move_r_r (reg_2,reg_1);
		} else {
#ifdef M68000
			in_alterable_address_register (&ad_a[0]);
#else
			in_address_register (&ad_a[0]);
#endif

			reg_1=ad_a[0].ad_register;
			reg_2=reg_1;

#ifdef M68000
			if (graph->node_count>0){
				if (graph->instruction_d_min_a_cost<=0)
					reg_2=get_dregister();
				else
					reg_2=get_aregister();
				i_move_r_r (reg_1,reg_2);
			}
#endif
		}
	
		for (argument_number=1; argument_number<n_arguments; ++argument_number){
			register INSTRUCTION_GRAPH a_graph;
			
			a_graph=graph->instruction_parameters[argument_number].p;
			
			if (a_graph!=NULL){
				if (ad_a[argument_number].ad_mode>=100){
					ad_a[argument_number].ad_mode-=100;
#ifdef M68000
					move_float_ad_pi (&ad_a[argument_number],reg_1);
#else
					move_float_ad_id (&ad_a[argument_number],offset,reg_1);
					offset+=8;
#endif
#ifndef G_A64
					++argument_number;
#endif
				} else {
#ifdef M68000
					if (argument_number!=n_arguments-1)
						instruction_ad_pi (IMOVE,&ad_a[argument_number],reg_1);
					else
						instruction_ad_id (IMOVE,&ad_a[argument_number],0,reg_1);
#else
					instruction_ad_id (IMOVE,&ad_a[argument_number],offset,reg_1);
					offset+=STACK_ELEMENT_SIZE;
#endif
				}
			} else
#ifdef M68000
				i_add_i_r (STACK_ELEMENT_SIZE,reg_1);
#else
				offset+=STACK_ELEMENT_SIZE;
#endif
		}

#ifndef M68000
		if (reg_1!=reg_2)
#endif
		free_aregister (reg_1);
		
		--*ad_a[0].ad_count_p;
	}
	
	ad_p->ad_mode=P_REGISTER;

	if (reg_1==reg_2 && *ad_a[0].ad_count_p>0 && graph->node_count>1){
		int result_reg;

		if (graph->instruction_d_min_a_cost<=0)
			result_reg=get_aregister();
		else
			result_reg=get_dregister();
		
		i_move_r_r (reg_1,result_reg);
		--*ad_a[0].ad_count_p;

		ad_p->ad_register=result_reg;
		ad_p->ad_count_p=&graph->node_count;
		
		register_node (graph,result_reg);
	} else {
		ad_p->ad_register=reg_2;
		ad_p->ad_count_p=&graph->node_count;

		if (*ad_p->ad_count_p>1)
			register_node (graph,reg_2);

		if (reg_1==reg_2 && *ad_a[0].ad_count_p>0){
			ad_p->ad_count_p=ad_a[0].ad_count_p;
			*ad_p->ad_count_p+=graph->node_count;
		}
	}

	memory_free (ad_a);
}

#ifdef ALIGN_REAL_ARRAYS
static void move_float_ad_x (ADDRESS *ad_p,int offset,int areg,int dreg,int flags)
#else
static void move_float_ad_x (ADDRESS *ad_p,int offset,int areg,int dreg)
#endif
{
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
#ifdef ALIGN_REAL_ARRAYS
			i_fmove_fr_x (ad_p->ad_register,offset,areg,dreg,flags);
#else
			i_fmove_fr_x (ad_p->ad_register,offset,areg,dreg);
#endif
			if (--*ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (ad_p->ad_register);
			}
			return;
#if defined (M68000) || defined (I486)
		case P_INDIRECT:
# ifdef M68000
			if (ad_p->ad_offset==0 && *ad_p->ad_count_p==1){
				i_move_pi_x (ad_p->ad_register,offset,areg,dreg);
				i_move_id_x (0,ad_p->ad_register,offset+(4<<2),areg,dreg);
				*ad_p->ad_count_p=0;
				free_aregister (ad_p->ad_register);
			} else {
# endif
				i_move_id_x (ad_p->ad_offset,ad_p->ad_register,offset,areg,dreg);
# ifndef G_A64
				i_move_id_x (ad_p->ad_offset+4,ad_p->ad_register,offset+(4<<2),areg,dreg);
# endif
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
# ifdef M68000
			}
# endif
			return;
		case P_F_IMMEDIATE:
#ifdef G_A64
			i_move_i_x (((int_64*)&ad_p->ad_register)[0],offset,areg,dreg);
#else
			i_move_i_x (((LONG*)&ad_p->ad_register)[0],offset,areg,dreg);
			i_move_i_x (((LONG*)&ad_p->ad_register)[1],offset+(4<<2),areg,dreg);
#endif
			return;
#endif
#ifdef M68000
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=(INSTRUCTION_GRAPH)ad_p->ad_offset;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
					i_move_x_x (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,offset,areg,dreg);
					i_move_x_x (i_ad_p->ad_offset+(4<<2),i_ad_p->ad_areg,i_ad_p->ad_dreg,offset+(4<<2),areg,dreg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					i_move_id_x (i_ad_p->ad_offset,i_ad_p->ad_register,offset,areg,dreg);
					i_move_id_x (i_ad_p->ad_offset+4,i_ad_p->ad_register,offset+(4<<2),areg,dreg);
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
			} else {
				i_fmove_fr_x (i_ad_p->ad_register,offset,areg,dreg);
				if (--*i_ad_p->ad_count_p==0)
					free_fregister (i_ad_p->ad_register);
			}
			return;
		}
#endif
		default:
			internal_error_in_function ("move_float_ad_x");
	}
}

static void linearize_fill_r_operator (register INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	ADDRESS ad_a[3];
	int reg_2;
	
	linearize_float_graph (graph->instruction_parameters[2].p,&ad_a[2]);
	linearize_graph (graph->instruction_parameters[0].p,&ad_a[0]);
	linearize_graph (graph->instruction_parameters[1].p,&ad_a[1]);
	
	in_address_register (&ad_a[0]);
	reg_2=ad_a[0].ad_register;
	
	instruction_ad_id (IMOVE,&ad_a[1],0,reg_2);
	move_float_ad_id (&ad_a[2],STACK_ELEMENT_SIZE,reg_2);
	
	if (graph->node_count==0)
		if (--*ad_a[0].ad_count_p==0)
			free_aregister (reg_2);
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_2;
	ad_p->ad_count_p=&graph->node_count;

	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_2);
}

static void in_float_register (ADDRESS *ad_p);

static void linearize_store_fill_operator (INSTRUCTION_GRAPH s_graph,INSTRUCTION_GRAPH graph)
{
	int argument_number,stack_offset,stack_pointer,n_arguments;
	ADDRESS *ad_a;
	int reg_1;
#ifndef M68000
	int offset;
#endif
		
	n_arguments=graph->inode_arity;
	while (n_arguments>1 && graph->instruction_parameters[n_arguments-1].p==NULL)
		--n_arguments;
	
	ad_a=evaluate_arguments (graph->instruction_parameters,n_arguments);

#ifdef M68000
	if (n_arguments!=2 || graph->instruction_parameters[1].p==NULL)
		in_alterable_address_register (&ad_a[0]);
	else
#endif
		in_address_register (&ad_a[0]);

	reg_1=ad_a[0].ad_register;
					
	stack_offset=s_graph->instruction_parameters[0].i;
	stack_pointer=s_graph->instruction_parameters[1].i;
	
	if (s_graph->instruction_parameters[3].p!=NULL){
		for (argument_number=1; argument_number<n_arguments; ++argument_number){
			if (graph->instruction_parameters[argument_number].p!=NULL){
				ADDRESS *ad_p;
				
				ad_p=&ad_a[argument_number];
				if (ad_p->ad_mode==100 + P_INDIRECT){
					if (ad_p->ad_register==stack_pointer && (ad_p->ad_offset==stack_offset || ad_p->ad_offset-4==stack_offset)){
						ad_p->ad_mode=P_INDIRECT;
						in_float_register (ad_p);
						ad_p->ad_mode+=100;
					}
				} else if (ad_p->ad_mode==P_INDIRECT){
					if (ad_p->ad_register==stack_pointer && ad_p->ad_offset==stack_offset){
						in_register (ad_p);
					}
				}
			}
		}
		linearize_load_graph (s_graph->instruction_parameters[3].p);
	}
		
	i_move_r_id (reg_1,stack_offset,stack_pointer);

#ifndef M68000
	offset=0-NODE_POINTER_OFFSET;
#endif

	for (argument_number=1; argument_number<n_arguments; ++argument_number){
		INSTRUCTION_GRAPH a_graph;

		a_graph=graph->instruction_parameters[argument_number].p;
		
		if (a_graph!=NULL){
			if (ad_a[argument_number].ad_mode>=100){
				ad_a[argument_number].ad_mode-=100;
#ifdef M68000
				move_float_ad_pi (&ad_a[argument_number],reg_1);
#else
				move_float_ad_id (&ad_a[argument_number],offset,reg_1);
				offset+=8;
#endif
#ifndef G_A64
				++argument_number;
#endif
			} else {
#ifdef M68000
				if (argument_number!=n_arguments-1)
					instruction_ad_pi (IMOVE,&ad_a[argument_number],reg_1);
				else
					instruction_ad_id (IMOVE,&ad_a[argument_number],0,reg_1);
#else
				instruction_ad_id (IMOVE,&ad_a[argument_number],offset,reg_1);
				offset+=STACK_ELEMENT_SIZE;
#endif
			}
		} else
#ifdef M68000
			i_add_i_r (STACK_ELEMENT_SIZE,reg_1);
#else
			offset+=STACK_ELEMENT_SIZE;
#endif
	}
	
	if (--*ad_a[0].ad_count_p==0)
		free_aregister (reg_1);
	
	memory_free (ad_a);
}

static int movem_registers (int a_reg,register int n_registers,int registers[],int offset,int update_a_reg)
{
#ifdef M68000
	if (n_registers>=5){
		i_movem_id (offset,a_reg,n_registers,registers);
		return offset+(n_registers<<2);
	} else {
		register int i;

		for (i=0; i<n_registers; ++i)
			if (i==n_registers-1 && !update_a_reg)
				i_move_id_r (offset,a_reg,registers[i]);
			else {
				if (offset!=0){
					i_add_i_r (offset,a_reg);
					offset=0;
				}
				i_move_pi_r (a_reg,registers[i]);
			}
		return offset;
	}
#else
	int i;

	for (i=0; i<n_registers; ++i){
		i_move_id_r (offset,a_reg,registers[i]);
		offset+=STACK_ELEMENT_SIZE;
	}
	return offset;
#endif
}

static void linearize_movem_operator (INSTRUCTION_GRAPH graph)
{
	ADDRESS ad_1;
	int registers[16],offset,n_registers,a_reg,arity,address_register_used;
	register int argument_number;
	
	linearize_graph (graph->instruction_parameters[1].p,&ad_1);

#ifdef M68000
	in_alterable_address_register (&ad_1);
#else
	in_address_register (&ad_1);
#endif
	a_reg=ad_1.ad_register;
	
	arity=graph->inode_arity;
	
	offset=graph->instruction_parameters[0].i;
	address_register_used=0;
	n_registers=0;
	
	for (argument_number=0; argument_number<arity; ++argument_number){
		register INSTRUCTION_GRAPH a_graph;
		
		a_graph=graph->instruction_parameters[2+argument_number].p;
		if (a_graph==NULL || a_graph->node_count<=0){
			if (n_registers>0){
				offset=movem_registers (a_reg,n_registers,registers,offset,1);
				address_register_used=0;
				n_registers=0;
			}
			offset+=STACK_ELEMENT_SIZE;
		} else {
			if (a_graph->instruction_code==GFMOVEMI){
				int l_f_reg;
				
				l_f_reg=get_fregister();
				float_register_node (a_graph,l_f_reg);

				if (n_registers>0){
					offset=movem_registers (a_reg,n_registers,registers,offset,1);
					address_register_used=0;
					n_registers=0;
				}
			
				if (argument_number<arity-2){
#ifdef M68000
					if (offset){
						i_add_i_r (offset,a_reg);
						offset=0;
					}
					i_fmove_pi_fr (a_reg,l_f_reg);
#else
					i_fmove_id_fr (offset,a_reg,l_f_reg);
					offset+=8;
#endif
				} else
					i_fmove_id_fr (offset,a_reg,l_f_reg);
				
				++argument_number;
			} else {
			if (a_graph->instruction_parameters[1].i!=0){
				int reg_n;
				
				reg_n=a_graph->instruction_parameters[1].i>>1;
				if (try_allocate_register_number (reg_n)){
					register_node (a_graph,reg_n);
					
					offset=movem_registers (a_reg,n_registers,registers,offset,1);
					address_register_used=0;
					n_registers=0;		
					
					if (argument_number<arity-1){
#ifdef M68000
						if (offset){
							i_add_i_r (offset,a_reg);
							offset=0;
						}
						i_move_pi_r (a_reg,reg_n);
#else
						i_move_id_r (offset,a_reg,reg_n);
						offset+=STACK_ELEMENT_SIZE;
#endif
					} else
						i_move_id_r (offset,a_reg,reg_n);
					continue;
				} else
					if (reg_n==ad_1.ad_register && *ad_1.ad_count_p==1 
						&& argument_number==arity-1)
					{
						register_node (a_graph,reg_n);
						
						offset=movem_registers (a_reg,n_registers,registers,offset,1);
						address_register_used=0;
						n_registers=0;		
						
						if (argument_number<arity-1){
#ifdef M68000
							if (offset){
								i_add_i_r (offset,a_reg);
								offset=0;
							}
							i_move_pi_r (a_reg,reg_n);
#else
							i_move_id_r (offset,a_reg,reg_n);
							offset+=STACK_ELEMENT_SIZE;
#endif
						} else
							i_move_id_r (offset,a_reg,reg_n);
						
						return;
					}
			}
			
			if (a_graph->instruction_d_min_a_cost<=0){
				int l_d_reg;
				
				l_d_reg=get_dregister();
				register_node (a_graph,l_d_reg);
			
				if (d_reg_num (l_d_reg)>=N_DATA_PARAMETER_REGISTERS){
					offset=movem_registers (a_reg,n_registers,registers,offset,1);
					n_registers=0;
					address_register_used=0;
					if (argument_number<arity-1){
#ifdef M68000
						if (offset){
							i_add_i_r (offset,a_reg);
							offset=0;
						}
						i_move_pi_r (a_reg,l_d_reg);
#else
						i_move_id_r (offset,a_reg,l_d_reg);
						offset+=STACK_ELEMENT_SIZE;
#endif
					} else
						i_move_id_r (offset,a_reg,l_d_reg);
				} else {
					if (address_register_used){
						offset=movem_registers (a_reg,n_registers,registers,offset,1);
						n_registers=0;
						address_register_used=0;
					}
					registers[n_registers++]=l_d_reg;
				}
			} else {
				int l_a_reg;
				
				l_a_reg=get_aregister();
				register_node (a_graph,l_a_reg);
				
				if (a_reg_num (l_a_reg)>=N_ADDRESS_PARAMETER_REGISTERS){
					offset=movem_registers (a_reg,n_registers,registers,offset,1);
					n_registers=0;
					address_register_used=0;
					if (argument_number<arity-1){
#ifdef M68000
						if (offset){
							i_add_i_r (offset,a_reg);
							offset=0;
						}
						i_move_pi_r (a_reg,l_a_reg);
#else
						i_move_id_r (offset,a_reg,l_a_reg);
						offset+=STACK_ELEMENT_SIZE;
#endif
					} else
						i_move_id_r (offset,a_reg,l_a_reg);
				} else {
					registers[n_registers++]=l_a_reg;
					address_register_used=1;
				}
			}
			}
		}
	}
	
	offset=movem_registers (a_reg,n_registers,registers,offset,0);

	if (--*ad_1.ad_count_p==0)
		free_aregister (ad_1.ad_register);
}

static void linearize_movemi_operator (register INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	linearize_movem_operator (graph->instruction_parameters[0].p);

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=graph->instruction_parameters[0].i;
	ad_p->ad_count_p=&graph->node_count;
}

static void linearize_fmovemi_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	linearize_movem_operator (graph->instruction_parameters[0].p);

	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=graph->instruction_parameters[0].i;
	ad_p->ad_count_p=&graph->node_count;
}

static void linearize_copy_operator (register INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	ADDRESS ad;
	int areg_1,areg_2;

	linearize_graph (graph->instruction_parameters[0].p,&ad);
	linearize_graph (graph->instruction_parameters[1].p,ad_p);

#ifdef M68000
	in_alterable_address_register (&ad);
#else
	in_address_register (&ad);
#endif
	in_alterable_address_register (ad_p);

	areg_1=ad.ad_register;
	areg_2=ad_p->ad_register;

#ifdef M68000
	i_move_pi_id (areg_1,0,areg_2);
	i_move_pi_id (areg_1,4,areg_2);
	i_move_pi_id (areg_1,8,areg_2);
#else
	i_move_id_id (0,areg_1,0,areg_2);
	i_move_id_id (STACK_ELEMENT_SIZE,areg_1,STACK_ELEMENT_SIZE,areg_2);
	i_move_id_id (2*STACK_ELEMENT_SIZE,areg_1,2*STACK_ELEMENT_SIZE,areg_2);
#endif

	if (--*ad.ad_count_p==0)
		free_aregister (ad.ad_register);

	if (*ad_p->ad_count_p>1)
		*ad_p->ad_count_p += graph->node_count-1;
	else {
		ad_p->ad_count_p=&graph->node_count;
		register_node (graph,areg_2);
	}
}

#define FLOAT_SIZE 8

static void in_alterable_float_register (ADDRESS *ad_p)
{
	int freg;
	
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			if (*ad_p->ad_count_p==1)
				return;
			freg=get_fregister();
			i_fmove_fr_fr (ad_p->ad_register,freg);
			--*ad_p->ad_count_p;
			break;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			freg=get_fregister();
			i_fmove_id_fr (ad_p->ad_offset,ad_p->ad_register,freg);
			break;
		case P_F_IMMEDIATE:
			freg=get_fregister();
			i_fmove_if_fr (ad_p->ad_real,freg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
					i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg,load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
					i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg);
#endif
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
					i_fmove_id_fr_f (i_ad_p->ad_offset,i_ad_p->ad_register,freg,load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
					i_fmove_id_fr (i_ad_p->ad_offset,i_ad_p->ad_register,freg);
#endif
				}
				i_ad_p->ad_register=freg;
			} else {
				freg=i_ad_p->ad_register;
			}
			break;
		}
		default:
			internal_error_in_function ("in_alterable_float_register");
			return;
	}
	
	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=freg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void in_float_register (ADDRESS *ad_p)
{
	int freg;
	
	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			return;
		case P_INDIRECT:
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			freg=get_fregister();
			i_fmove_id_fr (ad_p->ad_offset,ad_p->ad_register,freg);
			break;
		case P_F_IMMEDIATE:
			freg=get_fregister();
			i_fmove_if_fr (ad_p->ad_real,freg);
			break;
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
					freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
					i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg,load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
					i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg);
#endif
				} else {
					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
					freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
					i_fmove_id_fr_f (i_ad_p->ad_offset,i_ad_p->ad_register,freg,load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
					i_fmove_id_fr (i_ad_p->ad_offset,i_ad_p->ad_register,freg);
#endif
				}
				i_ad_p->ad_register=freg;
			} else {
				freg=i_ad_p->ad_register;
			}
			break;
		}
		default:
			internal_error_in_function ("in_float_register");
			return;
	}
	
	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=freg;
	ad_p->ad_count_p=&ad_p->ad_count;
	ad_p->ad_count=1;
}

static void instruction_ad_fr (int instruction_code,ADDRESS *ad_p,int register_1)
{
	struct instruction *instruction;
	struct parameter *parameter_p;
	
	instruction=i_new_instruction2 (instruction_code);
	
	parameter_p=&instruction->instruction_parameters[0];

	switch (ad_p->ad_mode){
		case P_F_REGISTER:
			set_float_register_parameter (*parameter_p,ad_p->ad_register);
#if defined (FMADD)
			parameter_p->parameter_flags=0;
#endif
			if (--*ad_p->ad_count_p==0){
#if defined (FP_STACK_OPTIMIZATIONS) || defined (FMADD)
				parameter_p->parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (ad_p->ad_register);
			}
			break;
		case P_INDIRECT:
			parameter_p->parameter_type=P_INDIRECT;
			parameter_p->parameter_offset=ad_p->ad_offset;
			parameter_p->parameter_data.i=ad_p->ad_register;
#ifdef ALIGN_REAL_ARRAYS
			parameter_p->parameter_flags=0;
#endif
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			break;
		case P_F_IMMEDIATE:
		{
			DOUBLE *rp;
			
			parameter_p->parameter_type=P_F_IMMEDIATE;
			rp=(DOUBLE*)fast_memory_allocate (sizeof (DOUBLE));
			parameter_p->parameter_data.r=rp;
			*rp=ad_p->ad_real;
			break;
		}
		case P_INDEXED:
		{
			struct index_registers *index_registers;
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;
			
			if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

				if (i_ad_p->ad_mode==P_INDEXED){
					index_registers=(struct index_registers*)fast_memory_allocate (sizeof (struct index_registers));
			
					parameter_p->parameter_type=P_INDEXED;
					parameter_p->parameter_offset=i_ad_p->ad_offset;
					parameter_p->parameter_data.ir=index_registers;

					index_registers->a_reg.r=i_ad_p->ad_areg;
					index_registers->d_reg.r=i_ad_p->ad_dreg;

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_areg);
					if (--*i_ad_p->ad_count_p2==0)
						free_dregister (i_ad_p->ad_dreg);
				} else {
					parameter_p->parameter_type=P_INDIRECT;
					parameter_p->parameter_offset=i_ad_p->ad_offset;
					parameter_p->parameter_data.i=i_ad_p->ad_register;

					if (--*i_ad_p->ad_count_p==0)
						free_aregister (i_ad_p->ad_register);
				}
#ifdef ALIGN_REAL_ARRAYS
				parameter_p->parameter_flags = load_x_graph->inode_arity & LOAD_STORE_ALIGNED_REAL;
#endif
			} else {
				set_float_register_parameter (*parameter_p,i_ad_p->ad_register);
				if (--*i_ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
					parameter_p->parameter_flags |= FP_REG_LAST_USE;
#endif
					free_fregister (i_ad_p->ad_register);
				}
			}
			break;
		}
		default:
			internal_error_in_function ("instruction_ad_fr");
	}

	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}

static void instruction_p_fr (int instruction_code,struct parameter *parameter1_p,int register_1)
{
	struct instruction *instruction;
	
	instruction=i_new_instruction (instruction_code,2,2*sizeof (struct parameter));
	
	instruction->instruction_parameters[0]=*parameter1_p;
	
	set_float_register_parameter (instruction->instruction_parameters[1],register_1);
}

static void instruction_lad_fr (int instruction_code,ADDRESS *ad_p,int f_register_1)
{
	register struct instruction *instruction;
	
	instruction=i_new_instruction2 (instruction_code);
	
	ad_to_parameter (ad_p,&instruction->instruction_parameters[0]);
	
	set_float_register_parameter (instruction->instruction_parameters[1],f_register_1);
}

#ifdef G_A64
static void linearize_fromf_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
	
	switch (ad_p->ad_mode){
		case P_INDIRECT:
			if (graph->node_count>1){
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (ad_p->ad_offset,ad_p->ad_register,reg);
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;
			}
			return;
		case P_F_REGISTER:
			local_data_offset-=FLOAT_SIZE;

			i_fmove_fr_id (ad_p->ad_register,local_data_offset,B_STACK_POINTER);
			if (--*ad_p->ad_count_p==0){
				free_fregister (ad_p->ad_register);
			}
	
			if (graph->node_count>1){
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (local_data_offset,B_STACK_POINTER,reg);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else {
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_offset=local_data_offset;
				ad_p->ad_register=B_STACK_POINTER;
				ad_p->ad_count_p=&ad_p->ad_count;
				ad_p->ad_count=graph->node_count+1;
			}
			return;
		case P_F_IMMEDIATE:
		{
			DOUBLE r;
			
			r=ad_p->ad_real;
			
			if (graph->node_count>1){	
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				
				i_move_i_r (((int_64*)&r)[0],reg);
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else {
				ad_p->ad_mode=P_IMMEDIATE;
				ad_p->ad_offset=((LONG*)&r)[0];
			}
			return;
		}
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;

			if (graph->node_count>1){
				int reg;

				if (load_x_graph->inode_arity==1){
					load_x_graph->inode_arity=2;

					if (i_ad_p->ad_mode==P_INDEXED){
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_areg);
						if (--*i_ad_p->ad_count_p2==0)
							free_dregister (i_ad_p->ad_dreg);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,reg);
					} else {
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_register);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,reg);
					}
					i_ad_p->ad_register=reg;
				} else {
					int reg;
		
					local_data_offset-=FLOAT_SIZE;

					i_fmove_fr_id (i_ad_p->ad_register,local_data_offset,B_STACK_POINTER);
					free_fregister (i_ad_p->ad_register);
				
					if (graph->instruction_d_min_a_cost<=0)
						reg=get_dregister();
					else
						reg=get_aregister();
					i_move_id_r (local_data_offset,B_STACK_POINTER,reg);
				}
				
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;

				register_node (graph,reg);
			} else {
				if (load_x_graph->inode_arity==1){
				} else {
					local_data_offset-=FLOAT_SIZE;

					i_fmove_fr_id (i_ad_p->ad_register,local_data_offset,B_STACK_POINTER);
					free_fregister (i_ad_p->ad_register);

					ad_p->ad_mode=P_INDIRECT;
					ad_p->ad_offset=local_data_offset;
					ad_p->ad_register=B_STACK_POINTER;
					ad_p->ad_count_p=&ad_p->ad_count;
					ad_p->ad_count=graph->node_count+1;
				}
			}
			return;
		}

		default:
			internal_error_in_function ("linearize_fromf_operator");
	}
}
#else
static void linearize_fhigh_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
	
	switch (ad_p->ad_mode){
		case P_INDIRECT:
			if (graph->node_count>1){
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (ad_p->ad_offset,ad_p->ad_register,reg);
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;
			}
			return;
		case P_F_REGISTER:
			local_data_offset-=FLOAT_SIZE;

			i_fmove_fr_id (ad_p->ad_register,local_data_offset,B_STACK_POINTER);
			if (--*ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (ad_p->ad_register);
			}
	
			if (graph->node_count>1){
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (local_data_offset,B_STACK_POINTER,reg);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else {
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_offset=local_data_offset;
				ad_p->ad_register=B_STACK_POINTER;
				ad_p->ad_count_p=&ad_p->ad_count;
				ad_p->ad_count=graph->node_count+1;
			}
#ifdef g_fhighlow
			{
				INSTRUCTION_GRAPH low_graph;
				
				low_graph=graph->instruction_parameters[1].p;
				
				if (low_graph!=NULL){
					low_graph->instruction_code=GLOAD;
					low_graph->instruction_parameters[0].i=local_data_offset+4;
					low_graph->instruction_parameters[1].i=B_STACK_POINTER;
				}
			}
#endif
			return;
		case P_F_IMMEDIATE:
		{
			DOUBLE r;
			
			r=ad_p->ad_real;
			
			if (graph->node_count>1){	
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
					
				i_move_i_r (((LONG*)&r)[0],reg);
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else {
				ad_p->ad_mode=P_IMMEDIATE;
				ad_p->ad_offset=((LONG*)&r)[0];
			}
			return;
		}
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;

			if (graph->node_count>1){
				int reg;

				if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
					load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

					if (i_ad_p->ad_mode==P_INDEXED){
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_areg);
						if (--*i_ad_p->ad_count_p2==0)
							free_dregister (i_ad_p->ad_dreg);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,reg);
					} else {
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_register);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,reg);
					}
					i_ad_p->ad_register=reg;
				} else {
					int reg;
		
					local_data_offset-=FLOAT_SIZE;

					i_fmove_fr_id (i_ad_p->ad_register,local_data_offset,B_STACK_POINTER);
#ifdef FP_STACK_OPTIMIZATIONS
					last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
					free_fregister (i_ad_p->ad_register);
				
					if (graph->instruction_d_min_a_cost<=0)
						reg=get_dregister();
					else
						reg=get_aregister();
					i_move_id_r (local_data_offset,B_STACK_POINTER,reg);
				}
				
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;

				register_node (graph,reg);
			} else {
				if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
				} else {
					local_data_offset-=FLOAT_SIZE;

					i_fmove_fr_id (i_ad_p->ad_register,local_data_offset,B_STACK_POINTER);
#ifdef FP_STACK_OPTIMIZATIONS
					last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
					free_fregister (i_ad_p->ad_register);

					ad_p->ad_mode=P_INDIRECT;
					ad_p->ad_offset=local_data_offset;
					ad_p->ad_register=B_STACK_POINTER;
					ad_p->ad_count_p=&ad_p->ad_count;
					ad_p->ad_count=graph->node_count+1;
				}
			}
			return;
		}

		default:
			internal_error_in_function ("linearize_fhigh_operator");
	}
}

static void linearize_flow_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
	
	switch (ad_p->ad_mode){
		case P_INDIRECT:
			if (graph->node_count>1){
				register int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (ad_p->ad_offset+4,ad_p->ad_register,reg);
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else
				ad_p->ad_offset+=4;
			return;
		case P_F_REGISTER:
			local_data_offset-=FLOAT_SIZE;
				
			i_fmove_fr_id (ad_p->ad_register,local_data_offset,B_STACK_POINTER);
			if (--*ad_p->ad_count_p==0)
#ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (ad_p->ad_register);

				if (graph->node_count>1){
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
				i_move_id_r (local_data_offset+4,B_STACK_POINTER,reg);
					
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;
			} else {
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_offset=local_data_offset+4;
				ad_p->ad_register=B_STACK_POINTER;
				ad_p->ad_count_p=&ad_p->ad_count;
				ad_p->ad_count=graph->node_count+1;
			}
#ifdef g_fhighlow
			{
				INSTRUCTION_GRAPH high_graph;
				
				high_graph=graph->instruction_parameters[1].p;
				
				if (high_graph!=NULL){
					high_graph->instruction_code=GLOAD;
					high_graph->instruction_parameters[0].i=local_data_offset;
					high_graph->instruction_parameters[1].i=B_STACK_POINTER;
				}
			}
#endif
			return;
		case P_F_IMMEDIATE:
		{
			DOUBLE r;
			
			r=ad_p->ad_real;
			
			if (graph->node_count>1){	
				int reg;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg=get_dregister();
				else
					reg=get_aregister();
					
				i_move_i_r (((LONG*)&r)[1],reg);
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg);
			} else {
				ad_p->ad_mode=P_IMMEDIATE;
				ad_p->ad_offset=((LONG*)&r)[1];
			}
			return;
		}
		case P_INDEXED:
		{
			INSTRUCTION_GRAPH load_x_graph;
			ADDRESS *i_ad_p;

			load_x_graph=ad_p->ad_load_x_graph;
			i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;

			if (graph->node_count>1){
				int reg;

				if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
					load_x_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

					if (i_ad_p->ad_mode==P_INDEXED){
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_areg);
						if (--*i_ad_p->ad_count_p2==0)
							free_dregister (i_ad_p->ad_dreg);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,reg);
					} else {
						if (--*i_ad_p->ad_count_p==0)
							free_aregister (i_ad_p->ad_register);
						if (graph->instruction_d_min_a_cost<=0)
							reg=get_dregister();
						else
							reg=get_aregister();
						i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,reg);
					}
					i_ad_p->ad_register=reg;
				} else
					reg=i_ad_p->ad_register;
				
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg;
				ad_p->ad_count_p=&graph->node_count;
				
				graph->instruction_code=GREGISTER;
				graph->instruction_parameters[0].i=reg;
			} else {
				if (load_x_graph->inode_arity & LOAD_X_TO_ADDRESS){
					if (i_ad_p->ad_mode==P_INDEXED)
						i_ad_p->ad_offset+=4<<2;
					else
						i_ad_p->ad_offset+=4;
				} else {
					local_data_offset-=FLOAT_SIZE;

					i_fmove_fr_id (i_ad_p->ad_register,local_data_offset,B_STACK_POINTER);
#ifdef FP_STACK_OPTIMIZATIONS
					last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
					free_fregister (i_ad_p->ad_register);

					ad_p->ad_mode=P_INDIRECT;
					ad_p->ad_offset=local_data_offset+4;
					ad_p->ad_register=B_STACK_POINTER;
					ad_p->ad_count_p=&ad_p->ad_count;
					ad_p->ad_count=graph->node_count+1;				
				}
			}
			return;
		}
		default:
			internal_error_in_function ("linearize_flow_operator");
	}
}
#endif

#ifdef G_A64
static void linearize_tof_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	ADDRESS ad_1;

	linearize_graph (graph->instruction_parameters[0].p,&ad_1);

	local_data_offset-=FLOAT_SIZE;

	instruction_ad_id (IMOVE,&ad_1,local_data_offset,B_STACK_POINTER);

	if (graph->node_count>1){
		int freg;
		
		freg=get_fregister();
		i_fmove_id_fr (local_data_offset,B_STACK_POINTER,freg);
		
		ad_p->ad_mode=P_F_REGISTER;
		ad_p->ad_register=freg;
		ad_p->ad_count_p=&graph->node_count;
		
		float_register_node (graph,freg);
	} else {
		ad_p->ad_mode=P_INDIRECT;
		ad_p->ad_offset=local_data_offset;
		ad_p->ad_register=B_STACK_POINTER;
		ad_p->ad_count_p=&ad_p->ad_count;
		ad_p->ad_count=1+1;
	}
}
#else
static void linearize_fjoin_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH high_graph,low_graph;
	ADDRESS ad_1,ad_2;
	
	high_graph=graph->instruction_parameters[0].p;
	low_graph=graph->instruction_parameters[1].p;

	linearize_graph (low_graph,&ad_2);
	linearize_graph (high_graph,&ad_1);

# ifdef sparc
	if (ad_1.ad_mode==P_INDIRECT && ad_2.ad_mode==P_INDIRECT){
		int freg;
	
		freg=get_fregister();
		instruction_ad_fr (IFMOVEHI,&ad_1,freg);
		instruction_ad_fr (IFMOVELO,&ad_2,freg);
			
		ad_p->ad_mode=P_F_REGISTER;
		ad_p->ad_register=freg;
		ad_p->ad_count_p=&graph->node_count;
			
		if (graph->node_count>1)
			float_register_node (graph,freg);
	
		return;
	}
# endif

	local_data_offset-=FLOAT_SIZE;

	instruction_ad_id (IMOVE,&ad_2,local_data_offset+4,B_STACK_POINTER);
	instruction_ad_id (IMOVE,&ad_1,local_data_offset,B_STACK_POINTER);

	if (graph->node_count>1){
		int freg;
		
		freg=get_fregister();
		i_fmove_id_fr (local_data_offset,B_STACK_POINTER,freg);
		
		ad_p->ad_mode=P_F_REGISTER;
		ad_p->ad_register=freg;
		ad_p->ad_count_p=&graph->node_count;
		
		float_register_node (graph,freg);
	} else {
		ad_p->ad_mode=P_INDIRECT;
		ad_p->ad_offset=local_data_offset;
		ad_p->ad_register=B_STACK_POINTER;
		ad_p->ad_count_p=&ad_p->ad_count;
		ad_p->ad_count=1+1;
	}
}
#endif

static int float_compare_node (INSTRUCTION_GRAPH graph,int i_test_1,int i_test_2)
{
	ADDRESS ad_1,ad_2;
		
	linearize_float_graph (graph->instruction_parameters[0].p,&ad_1);
	linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);

	if (ad_1.ad_mode==P_F_REGISTER){
		instruction_ad_fr (IFCMP,&ad_2,ad_1.ad_register);
		if (--*ad_1.ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
			last_instruction->instruction_parameters[1].parameter_flags |= FP_REG_LAST_USE;
#endif
			free_fregister (ad_1.ad_register);
		}
		return i_test_2;
	} else {
		in_float_register (&ad_2);
		instruction_ad_fr (IFCMP,&ad_1,ad_2.ad_register);
		if (--*ad_2.ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
			last_instruction->instruction_parameters[1].parameter_flags |= FP_REG_LAST_USE;
#endif
			free_fregister (ad_2.ad_register);
		}
		return i_test_1;
	}
}

static void linearize_float_compare_operator (int i_test_1,int i_test_2,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	int condition;
	
	condition=float_compare_node (graph,i_test_1,i_test_2);
	condition_to_register (graph,condition,ad_p);
}

static void linearize_dyadic_commutative_float_operator (int instruction_code,register INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	if (graph->order_left){
		linearize_float_graph (graph->instruction_parameters[0].p,&ad_1);
		linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);
	} else {
		linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);
		linearize_float_graph (graph->instruction_parameters[0].p,&ad_1);
	}
	
	if (ad_1.ad_mode==P_F_REGISTER && *ad_1.ad_count_p==1
		/* added 17-3-1999: prefer result in lowest register number */
		&& !(ad_2.ad_mode==P_F_REGISTER && *ad_2.ad_count_p==1 && ad_2.ad_register<ad_1.ad_register)
		/* */
	){
		reg_1=ad_1.ad_register;
		instruction_ad_fr (instruction_code,&ad_2,reg_1);

		*ad_1.ad_count_p=0;
	} else {
#if 1
		struct parameter parameter1;
		int free_f_register;

#if defined (FMADD)
		parameter1.parameter_flags=0;
#endif
		free_f_register=fad_to_parameter_without_freeing_fregister (&ad_1,&parameter1);
		in_alterable_float_register (&ad_2);
		if (free_f_register){
#if defined (FP_STACK_OPTIMIZATIONS) || defined (FMADD)
			parameter1.parameter_flags |= FP_REG_LAST_USE;
#endif
			free_fregister (ad_1.ad_register);
		}
		reg_1=ad_2.ad_register;
		instruction_p_fr (instruction_code,&parameter1,reg_1);
#else
		in_alterable_float_register (&ad_2);
		reg_1=ad_2.ad_register;
		instruction_ad_fr (instruction_code,&ad_1,reg_1);
#endif
		--*ad_2.ad_count_p;
	}
	
	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;
	
	if (*ad_p->ad_count_p>1)
		float_register_node (graph,reg_1);
}

static void linearize_dyadic_non_commutative_float_operator (int instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	ADDRESS ad_1,ad_2;
	int reg_1;
	
	if (graph->order_left){
		linearize_float_graph (graph->instruction_parameters[0].p,&ad_1);
		linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);
	} else {
		linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);
		linearize_float_graph (graph->instruction_parameters[0].p,&ad_1);
	}

#if 1
# if (defined (I486) && !defined (G_AI64)) || defined (G_POWER)
	if (ad_1.ad_mode==P_F_REGISTER && *ad_1.ad_count_p==1
		&& !(ad_2.ad_mode==P_F_REGISTER && ad_2.ad_register<ad_1.ad_register && *ad_2.ad_count_p==1)
	){
		reg_1=ad_1.ad_register;
		instruction_ad_fr (instruction_code,&ad_2,reg_1);
		last_instruction->instruction_parameters[1].parameter_flags=1;

		*ad_1.ad_count_p=0;
	} else
# endif
	{
		struct parameter parameter1;
		int free_f_register;

# if defined (FMADD)
		parameter1.parameter_flags=0;
# endif

		free_f_register=fad_to_parameter_without_freeing_fregister (&ad_1,&parameter1);
		in_alterable_float_register (&ad_2);
		if (free_f_register){	
#if defined (FP_STACK_OPTIMIZATIONS) || defined (FMADD)
			parameter1.parameter_flags |= FP_REG_LAST_USE;
#endif
			free_fregister (ad_1.ad_register);
		}
		reg_1=ad_2.ad_register;
		instruction_p_fr (instruction_code,&parameter1,reg_1);
# if defined (I486) || defined (G_POWER)
		last_instruction->instruction_parameters[1].parameter_flags=0;
# endif
	}
#else
	in_alterable_float_register (&ad_2);
	reg_1=ad_2.ad_register;
	instruction_ad_fr (instruction_code,&ad_1,reg_1);
# if defined (I486) || defined (G_POWER)
	last_instruction->instruction_parameters[1].parameter_flags=0;
# endif
#endif

	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;
	
	if (*ad_p->ad_count_p>1)
		float_register_node (graph,reg_1);
}

static void linearize_itor_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	int reg_1;
	
	linearize_graph (graph->instruction_parameters[0].p,ad_p);
	to_data_addressing_mode (ad_p);
	
	reg_1=get_fregister();
	instruction_lad_fr (IFMOVEL,ad_p,reg_1);
	
	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;
	
	if (*ad_p->ad_count_p>1)
		float_register_node (graph,reg_1);
}

static void linearize_monadic_float_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p,int i_code)
{
	int freg;
	
	linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
	
	if (ad_p->ad_mode==P_F_REGISTER && *ad_p->ad_count_p==1){
		free_fregister (ad_p->ad_register);
		freg=get_fregister();
		instruction_fr_fr (i_code,ad_p->ad_register,freg);
#ifdef FP_STACK_OPTIMIZATIONS
		last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
	} else {
		freg=get_fregister();
		instruction_ad_fr (i_code,ad_p,freg);
	}
	
	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=freg;
	ad_p->ad_count_p=&graph->node_count;
	
	if (*ad_p->ad_count_p>1)
		float_register_node (graph,freg);
}

static void linearize_float_keep_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	ADDRESS ad_1;
			
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;

	linearize_graph (graph_1,&ad_1);
			
	switch (ad_1.ad_mode){
		case P_REGISTER:
		case P_INDIRECT:
			if (--*ad_1.ad_count_p==0)
				free_register (ad_1.ad_register);
	}
			
	linearize_float_graph (graph_2,ad_p);

	if (graph->node_count>1){
		in_float_register (ad_p);
/* changed 10-12-97
		float_register_node (graph,ad_p->ad_register);
		ad_p->ad_count_p=&graph->node_count;
*/
		float_register_node (graph_2,ad_p->ad_register);
		graph_2->node_count += graph->node_count;
		ad_p->ad_count_p=&graph_2->node_count;

		graph->instruction_parameters[0].p=graph_2;
		graph->instruction_code=GINDIRECTION;
/* */
	}			
}

static void linearize_fload_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	int offset;
	
	graph_1=graph->instruction_parameters[0].p;
	offset=graph->instruction_parameters[1].i;
	graph_2=graph->instruction_parameters[2].p;

#if defined (sparc) || defined (G_POWER)
	if (offset!=0 && graph_2!=NULL){
		graph_1=graph_2;
		graph_2=NULL;
	}
#endif

	if (graph_2!=NULL){
		ADDRESS ad_1;

		if (graph->order_left){
			linearize_graph (graph_1,ad_p);
			linearize_graph (graph_2,&ad_1);
		} else {
			linearize_graph (graph_2,&ad_1);
			linearize_graph (graph_1,ad_p);
		}

		in_data_register (&ad_1);
		in_address_register (ad_p);

		if (graph->node_count<=1){
			ADDRESS *i_ad_p;
						
			ad_p->ad_mode=P_INDEXED;
			ad_p->ad_load_x_graph=graph;
			
			i_ad_p=(ADDRESS*)fast_memory_allocate (sizeof (ADDRESS));
			graph->instruction_parameters[1].p=(INSTRUCTION_GRAPH)i_ad_p;
			
			i_ad_p->ad_mode=P_INDEXED;
			i_ad_p->ad_offset=offset;
			i_ad_p->ad_areg=ad_p->ad_register;
			i_ad_p->ad_dreg=ad_1.ad_register;
			
			i_ad_p->ad_count_p=ad_p->ad_count_p;
			if (ad_1.ad_count_p!=&ad_1.ad_count)
				/* it points to a counter in a graph node */
				i_ad_p->ad_count_p2=ad_1.ad_count_p;
			else {
				/* prevent a scope problem */
				i_ad_p->ad_count_p2=&ad_p->ad_count2;
				ad_p->ad_count2=ad_1.ad_count;
			}
			graph->node_count=0;
			graph->inode_arity|=LOAD_X_TO_ADDRESS;
		} else {
			int reg_1;
			
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
			if (--*ad_1.ad_count_p==0)
				free_dregister (ad_1.ad_register);
						
			reg_1=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
			i_fmove_x_fr (offset,ad_p->ad_register,ad_1.ad_register,reg_1,graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
			i_fmove_x_fr (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
#endif
			ad_p->ad_mode=P_F_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
						
			float_register_node (graph,reg_1);
		}
	} else {
		linearize_graph (graph_1,ad_p);
		in_address_register (ad_p);

		if (graph->node_count<=1){
			ADDRESS *i_ad_p;

			ad_p->ad_mode=P_INDEXED;
			ad_p->ad_load_x_graph=graph;
			
			i_ad_p=(ADDRESS*)fast_memory_allocate (sizeof (ADDRESS));
			graph->instruction_parameters[1].p=(INSTRUCTION_GRAPH)i_ad_p;
			
			i_ad_p->ad_mode=P_INDIRECT;
			i_ad_p->ad_offset=offset>>2;
			i_ad_p->ad_register=ad_p->ad_register;
			i_ad_p->ad_count_p=ad_p->ad_count_p;
			
			graph->node_count=0;
			graph->inode_arity|=LOAD_X_TO_ADDRESS;
		} else {
			int reg_1;
	
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
					
			reg_1=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
			i_fmove_id_fr_f (offset>>2,ad_p->ad_register,reg_1,graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
			i_fmove_id_fr (offset>>2,ad_p->ad_register,reg_1);
#endif				
			ad_p->ad_mode=P_F_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;

			float_register_node (graph,reg_1);
		}
	}
}

#ifdef I486
static void linearize_fload_s_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	int offset,reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	offset=graph->instruction_parameters[1].i;
	graph_2=graph->instruction_parameters[2].p;

	if (graph_2!=NULL){
		ADDRESS ad_1;

		if (graph->order_left){
			linearize_graph (graph_1,ad_p);
			linearize_graph (graph_2,&ad_1);
		} else {
			linearize_graph (graph_2,&ad_1);
			linearize_graph (graph_1,ad_p);
		}

		in_data_register (&ad_1);
		in_address_register (ad_p);
		
		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);
		if (--*ad_1.ad_count_p==0)
			free_dregister (ad_1.ad_register);
					
		reg_1=get_fregister();

		i_floads_x_fr (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
	} else {
		linearize_graph (graph_1,ad_p);
		in_address_register (ad_p);

		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);
				
		reg_1=get_fregister();

		i_floads_id_fr (offset>>2,ad_p->ad_register,reg_1);
	}

	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;

	if (graph->node_count<=1)
		graph->inode_arity=(graph->inode_arity & ~LOAD_X_TO_ADDRESS) | LOAD_X_TO_REGISTER;
	else
		float_register_node (graph,reg_1);
}
#endif

#if defined (I486) && !defined (G_AI64)
static void linearize_two_float_results_operator (INSTRUCTION_GRAPH result_graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph,result_graph2;
	ADDRESS ad_1;
	int reg_1,reg_2;
	
	graph=result_graph->instruction_parameters[0].p;
	
	if (graph->instruction_code==GFSINCOS){
		INSTRUCTION_GRAPH graph_1,graph_2;

		graph_1=graph->instruction_parameters[0].p;
		linearize_float_graph (graph_1,&ad_1);
		in_alterable_float_register (&ad_1);

		reg_1=ad_1.ad_register;
		reg_2=get_fregister();

		i_fsincos_fr_fr (reg_1,reg_2);
	} else
		internal_error_in_function ("linearize_two_float_results_operator");

	result_graph2=result_graph->instruction_parameters[1].p;

	ad_p->ad_mode=P_F_REGISTER;
	ad_p->ad_count_p=&result_graph->node_count;

	if (result_graph->instruction_code==GFRESULT0){
		ad_p->ad_register=reg_1;
		if (result_graph->node_count>1)
			float_register_node (result_graph,reg_1);
		if (result_graph2->node_count>0)
			float_register_node (result_graph2,reg_2);
		else
			free_fregister (reg_2);
	} else {
		ad_p->ad_register=reg_2;
		if (result_graph->node_count>1)
			float_register_node (result_graph,reg_2);
		if (result_graph2->node_count>0)
			float_register_node (result_graph2,reg_1);
		else {
			--*ad_1.ad_count_p;
			free_fregister (reg_1);
		}
	}
}
#endif

static void linearize_float_graph (register INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	switch (graph->instruction_code){
		case GFREGISTER:
			ad_p->ad_mode=P_F_REGISTER;
			ad_p->ad_register=graph->instruction_parameters[0].i;
			ad_p->ad_count_p=&graph->node_count;
			break;
		case GGFREGISTER:
			ad_p->ad_mode=P_F_REGISTER;
			ad_p->ad_register=graph->instruction_parameters[0].i;
			ad_p->ad_count_p=&ad_p->ad_count;
			ad_p->ad_count=1+1;
			break;
		case GFLOAD:
		{
			if (graph->node_count<=1){
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_count_p=&ad_p->ad_count;
				ad_p->ad_count=1+1;
				ad_p->ad_offset=graph->instruction_parameters[0].i;
				ad_p->ad_register=graph->instruction_parameters[1].i;
				graph->node_count=0;
			} else {
				int reg_1;
				
				reg_1=get_fregister();
					
				i_fmove_id_fr (graph->instruction_parameters[0].i,
							   graph->instruction_parameters[1].i,reg_1);
		
				ad_p->ad_mode=P_F_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				float_register_node (graph,reg_1);
			}
			return;
		}
		case GFLOAD_I:
			if (graph->node_count<=1){
				ad_p->ad_mode=P_F_IMMEDIATE;
				ad_p->ad_real=*(DOUBLE*)&graph->instruction_parameters[0];
			} else {
				int reg_1;
				
				reg_1=get_fregister();
				i_fmove_if_fr (*(DOUBLE*)&graph->instruction_parameters[0],reg_1);
				
				ad_p->ad_mode=P_F_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				float_register_node (graph,reg_1);
			}
			return;
		case GFLOAD_ID:
		{
			INSTRUCTION_GRAPH graph_1;
			
			graph_1=graph->instruction_parameters[1].p;
			linearize_graph (graph_1,ad_p);
			in_address_register (ad_p);
			
			if (graph->node_count<=1){
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_offset=graph->instruction_parameters[0].i;
				/* added 26-7-97 */
				--graph->node_count;
				/* */
			} else {
				int reg_1;
				
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
				
				reg_1=get_fregister();
				i_fmove_id_fr (graph->instruction_parameters[0].i,ad_p->ad_register,reg_1);
				
				ad_p->ad_mode=P_F_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				float_register_node (graph,reg_1);
			}
			return;
		}
		case GFMOVEMI:
			linearize_fmovemi_operator (graph,ad_p);
			return;
		case GFLOAD_X:
			linearize_fload_x_operator (graph,ad_p);
			return;
#ifdef I486
		case GFLOAD_S_X:
			linearize_fload_s_x_operator (graph,ad_p);
			return;
#endif
		case GFADD:
			linearize_dyadic_commutative_float_operator (IFADD,graph,ad_p);
			return;
		case GFDIV:
			linearize_dyadic_non_commutative_float_operator (IFDIV,graph,ad_p);
			return;
		case GFMUL:
			linearize_dyadic_commutative_float_operator (IFMUL,graph,ad_p);
			return;
		case GFREM:
			linearize_dyadic_non_commutative_float_operator (IFREM,graph,ad_p);
			return;
		case GFSUB:
			linearize_dyadic_non_commutative_float_operator (IFSUB,graph,ad_p);
			return;
#ifndef G_A64
		case GFJOIN:
			linearize_fjoin_operator (graph,ad_p);
			return;
#endif
		case GFITOR:
			linearize_itor_operator (graph,ad_p);
			return;
		case GFCOS:
			linearize_monadic_float_operator (graph,ad_p,IFCOS);
			break;
		case GFNEG:
			linearize_monadic_float_operator (graph,ad_p,IFNEG);
			break;
		case GFABS:
			linearize_monadic_float_operator (graph,ad_p,IFABS);
			break;
		case GFSIN:
			linearize_monadic_float_operator (graph,ad_p,IFSIN);
			break;
		case GFTAN:
			linearize_monadic_float_operator (graph,ad_p,IFTAN);
			break;
#ifdef M68000
		case GFASIN:
			linearize_monadic_float_operator (graph,ad_p,IFASIN);
			break;
		case GFACOS:
			linearize_monadic_float_operator (graph,ad_p,IFACOS);
			break;
		case GFATAN:
			linearize_monadic_float_operator (graph,ad_p,IFATAN);
			break;
		case GFLN:
			linearize_monadic_float_operator (graph,ad_p,IFLN);
			break;
		case GFLOG10:
			linearize_monadic_float_operator (graph,ad_p,IFLOG10);
			break;
		case GFEXP:
			linearize_monadic_float_operator (graph,ad_p,IFEXP);
			break;
#endif
		case GFKEEP:
			linearize_float_keep_operator (graph,ad_p);
			break;
		case GINDIRECTION:
			linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
			break;
#if !defined (G_POWER)
		case GFSQRT:
			linearize_monadic_float_operator (graph,ad_p,IFSQRT);
			break;
#endif
#ifdef G_A64
		case GTOF:
			linearize_tof_operator (graph,ad_p);
			return;
#endif
#if defined (I486) && !defined (G_AI64)
		case GFRESULT0:
		case GFRESULT1:
			linearize_two_float_results_operator (graph,ad_p);
			return;			
#endif
		default:
			/* printf ("%d %d\n",(int)graph,graph->instruction_code); */
			internal_error_in_function ("linearize_float_graph");
	}
}

static void linearize_fstore_operator (INSTRUCTION_GRAPH graph)
{
	int offset,stack_pointer;
	ADDRESS ad_1;
	
	linearize_float_graph (graph->instruction_parameters[2].p,&ad_1);
	
	offset=graph->instruction_parameters[0].i;
	stack_pointer=graph->instruction_parameters[1].i;
	
	linearize_load_graph (graph->instruction_parameters[3].p);
#ifndef G_A64
	linearize_load_graph (graph->instruction_parameters[4].p);
#endif
	
	move_float_ad_id (&ad_1,offset,stack_pointer);
}

static void linearize_fstore_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p);
#ifdef I486
static void linearize_fstore_s_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p);
#endif

static void linearize_fstore_r_operator (register INSTRUCTION_GRAPH graph)
{
	INSTRUCTION_GRAPH *register_graph_1_p,*register_graph_2_p;
	register int reg_1;
	ADDRESS ad_1;
	
	linearize_float_graph (graph->instruction_parameters[1].p,&ad_1);
	
	reg_1=graph->instruction_parameters[0].i;
	
	if ((unsigned)reg_1<(unsigned)N_FLOAT_PARAMETER_REGISTERS)
		register_graph_1_p=&global_block.block_graph_f_register_parameter_node[reg_1];
	else
		register_graph_1_p=NULL;
	
	if (ad_1.ad_mode==P_F_REGISTER && ad_1.ad_register==reg_1){
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL)
			(*register_graph_1_p)->instruction_code=GGFREGISTER;
		return;
	}
	
	if (ad_1.ad_mode==P_F_REGISTER){
		register int reg_2;
		
		reg_2=ad_1.ad_register;
		
		if ((unsigned)reg_2<(unsigned)N_FLOAT_PARAMETER_REGISTERS)
			register_graph_2_p=&global_block.block_graph_f_register_parameter_node[reg_2];
		else
			register_graph_2_p=NULL;
		
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL && (*register_graph_1_p)->node_count>0){
#if defined (FP_STACK_OPTIMIZATIONS) && !defined (G_AI64)
			if (register_graph_2_p!=NULL && (*register_graph_2_p==NULL || (*register_graph_2_p)->instruction_code!=GGFREGISTER)){
				INSTRUCTION_GRAPH graph;
				
				i_fexg_fr_fr (reg_2,reg_1);
			
				(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
					
				if (*register_graph_2_p!=NULL){
					(*register_graph_2_p)->instruction_code=GGFREGISTER;
					(*register_graph_2_p)->instruction_parameters[0].i=reg_1;
				}
				
				graph=*register_graph_1_p;
				*register_graph_1_p=*register_graph_2_p;
				*register_graph_2_p=graph;
			} else {
#endif
			register int reg_2;
						
			reg_2=get_fregister();
			if ((unsigned)reg_2<(unsigned)N_FLOAT_PARAMETER_REGISTERS)
				register_graph_2_p=&global_block.block_graph_f_register_parameter_node [reg_2];
			else
				register_graph_2_p=NULL;
			
			i_fmove_fr_fr (reg_1,reg_2);
			instruction_ad_fr (IFMOVE,&ad_1,reg_1);
				
			(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
				
			if (register_graph_2_p!=NULL)
				*register_graph_2_p=*register_graph_1_p;
		
			*register_graph_1_p=NULL;
#if defined (FP_STACK_OPTIMIZATIONS) && !defined (G_AI64)
			}
#endif
		} else {
			i_fmove_fr_fr (reg_2,reg_1);
			if (--*ad_1.ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
				free_fregister (reg_2);
			}
		}
	} else {
		if (ad_1.ad_mode==P_INDIRECT)
			--*ad_1.ad_count_p;
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL 
			&& (*register_graph_1_p)->node_count>0)
		{
			register int reg_2;
		
			reg_2=get_fregister();
			if ((unsigned)reg_2<(unsigned)N_FLOAT_PARAMETER_REGISTERS)
				register_graph_2_p=
					&global_block.block_graph_f_register_parameter_node [reg_2];
			else
				register_graph_2_p=NULL;
			
			i_fmove_fr_fr (reg_1,reg_2);
			
			(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
			
			if (register_graph_2_p!=NULL)
				*register_graph_2_p=*register_graph_1_p;
			
			*register_graph_1_p=NULL;
		}
		if (ad_1.ad_mode==P_INDIRECT)
			++*ad_1.ad_count_p;
		instruction_ad_fr (IFMOVE,&ad_1,reg_1);
	}
	
	allocate_fregister (reg_1);
}

static void linearize_create_r_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p,int result_register)
{
	ADDRESS ad_1,ad_2;
	int reg_1;
	
#ifdef G_A64
	last_block->block_n_new_heap_cells+=2;
#else
	last_block->block_n_new_heap_cells+=3;
#endif

#ifndef M68000
# ifdef I486
	if (offset_from_heap_register+(3<<2) >= 127){
# else
#	ifdef G_POWER
	if (offset_from_heap_register+(3<<2) >= 32767){
		heap_pointer_offset_in_basic_block+=offset_from_heap_register;
#	else
	if (offset_from_heap_register+(3<<2) >= 4096){
#	endif
# endif
		i_add_i_r (offset_from_heap_register,HEAP_POINTER);
		IF_G_POWER (last_heap_pointer_update=last_instruction;) 
		offset_from_heap_register=0;
	}
#endif

	linearize_float_graph (graph->instruction_parameters[1].p,&ad_2);
	linearize_graph (graph->instruction_parameters[0].p,&ad_1);
	
	if (result_register!=0 && try_allocate_register_number (result_register>>1))
		reg_1=result_register>>1;
	else
		if (graph->instruction_d_min_a_cost<=0)
			reg_1=get_dregister();
		else
			reg_1=get_aregister();

#ifdef G_POWER
	i_lea_id_r (offset_from_heap_register+4+NODE_POINTER_OFFSET,HEAP_POINTER,reg_1);
#else
#	ifndef M68000
	if (offset_from_heap_register!=0)
		i_lea_id_r (offset_from_heap_register,HEAP_POINTER,reg_1);
	else
#	endif
	i_move_r_r (HEAP_POINTER,reg_1);
#endif

#ifdef M68000
	instruction_ad_pi (IMOVE,&ad_1,HEAP_POINTER);
	move_float_ad_pi (&ad_2,HEAP_POINTER);
#else
#	ifdef G_POWER
	instruction_ad_id (IMOVE,&ad_1,offset_from_heap_register+4,HEAP_POINTER);
	move_float_ad_id (&ad_2,offset_from_heap_register+4+STACK_ELEMENT_SIZE,HEAP_POINTER);
#	else
	instruction_ad_id (IMOVE,&ad_1,offset_from_heap_register,HEAP_POINTER);
	move_float_ad_id (&ad_2,offset_from_heap_register+STACK_ELEMENT_SIZE,HEAP_POINTER);
#	endif
# ifdef G_A64
	offset_from_heap_register+=16;
# else
	offset_from_heap_register+=12;
# endif
#endif

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;

	if (*ad_p->ad_count_p>1)
		register_node (graph,reg_1);
}

static void linearize_rtoi_operator (INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	int reg;
	
	linearize_float_graph (graph->instruction_parameters[0].p,ad_p);
	in_float_register (ad_p);	
	
	reg=get_dregister();
	i_fmovel_fr_r (ad_p->ad_register,reg);
	if (--*ad_p->ad_count_p==0){
#ifdef FP_STACK_OPTIMIZATIONS
		last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#endif
		free_fregister (ad_p->ad_register);
	}
	
	if (graph->instruction_d_min_a_cost>0){
		int areg;
		
		areg=get_aregister();
		i_move_r_r (reg,areg);
		free_dregister (reg);
		reg=areg;
	}
	
	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg;
	ad_p->ad_count_p=&graph->node_count;
	
	if (*ad_p->ad_count_p>1)
		register_node (graph,reg);
}

static void linearize_load_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p
#ifdef LOAD_X_PARAMETER_REGISTER
							,int result_register
#endif
							)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	int offset;
	
	graph_1=graph->instruction_parameters[0].p;
	offset=graph->instruction_parameters[1].i;
	graph_2=graph->instruction_parameters[2].p;

#if defined (sparc) || defined (G_POWER)
	if (offset!=0 && graph_2!=NULL){
		graph_1=graph_2;
		graph_2=NULL;
	}
#endif

	if (graph_2!=NULL){
		ADDRESS ad_1;

		if (graph->order_left){
			linearize_graph (graph_1,ad_p);
			linearize_graph (graph_2,&ad_1);
		} else {
			linearize_graph (graph_2,&ad_1);
			linearize_graph (graph_1,ad_p);
		}

		in_data_register (&ad_1);
		in_address_register (ad_p);

		if (graph->node_count<=1){
			ADDRESS *i_ad_p;
			
 			ad_p->ad_mode=P_INDEXED;
			ad_p->ad_load_x_graph=graph;

			i_ad_p=(ADDRESS*)fast_memory_allocate (sizeof (ADDRESS));
			graph->instruction_parameters[1].p=(INSTRUCTION_GRAPH)i_ad_p;
			
			i_ad_p->ad_mode=P_INDEXED;
			i_ad_p->ad_offset=offset;
			i_ad_p->ad_areg=ad_p->ad_register;
			i_ad_p->ad_dreg=ad_1.ad_register;

			i_ad_p->ad_count_p=ad_p->ad_count_p;
			if (ad_1.ad_count_p!=&ad_1.ad_count)
				/* it points to a counter in a graph node */
				i_ad_p->ad_count_p2=ad_1.ad_count_p;
			else {
				/* prevent a scope problem */
				i_ad_p->ad_count_p2=&ad_p->ad_count2;
				ad_p->ad_count2=ad_1.ad_count;
			}

			graph->node_count=0;
			graph->inode_arity|=LOAD_X_TO_ADDRESS;
		} else {
			int reg_1;
	
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);

			if (--*ad_1.ad_count_p==0)
				free_dregister (ad_1.ad_register);

#ifdef LOAD_X_PARAMETER_REGISTER
			if (result_register!=0 && try_allocate_register_number (result_register>>1))
				reg_1=result_register>>1;
			else
#endif
			if (graph->instruction_d_min_a_cost<=0)
				reg_1=get_dregister();
			else
				reg_1=get_aregister();
			
			i_move_x_r (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
		
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
		
			register_node (graph,reg_1);
		}
	} else {
		linearize_graph (graph_1,ad_p);
		in_address_register (ad_p);

		if (graph->node_count<=1){
			ADDRESS *i_ad_p;

 			ad_p->ad_mode=P_INDEXED;
			ad_p->ad_load_x_graph=graph;

			i_ad_p=(ADDRESS*)fast_memory_allocate (sizeof (ADDRESS));
			graph->instruction_parameters[1].p=(INSTRUCTION_GRAPH)i_ad_p;
			
			i_ad_p->ad_mode=P_INDIRECT;
			i_ad_p->ad_offset=offset>>2;
			i_ad_p->ad_register=ad_p->ad_register;
			i_ad_p->ad_count_p=ad_p->ad_count_p;

			graph->node_count=0;
			graph->inode_arity|=LOAD_X_TO_ADDRESS;
		} else {
			int reg_1;
	
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);
	
#ifdef LOAD_X_PARAMETER_REGISTER
			if (result_register!=0 && try_allocate_register_number (result_register>>1))
				reg_1=result_register>>1;
			else
#endif
			if (graph->instruction_d_min_a_cost<=0)
				reg_1=get_dregister();
			else
				reg_1=get_aregister();
			i_move_id_r (offset>>2,ad_p->ad_register,reg_1);
			
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
			
			register_node (graph,reg_1);
		}
	}
}

#ifdef G_AI64
static void linearize_load_s_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p,int result_register)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	CleanInt offset;
	int reg_1;
	
	graph_1=graph->instruction_parameters[0].p;
	offset=graph->instruction_parameters[1].imm;
	graph_2=graph->instruction_parameters[2].p;

	if (graph_2!=NULL){
		ADDRESS ad_1;

		if (graph->order_left){
			linearize_graph (graph_1,ad_p);
			linearize_graph (graph_2,&ad_1);
		} else {
			linearize_graph (graph_2,&ad_1);
			linearize_graph (graph_1,ad_p);
		}

		in_data_register (&ad_1);
		in_address_register (ad_p);
	
		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);

		if (--*ad_1.ad_count_p==0)
			free_dregister (ad_1.ad_register);

		if (result_register!=0 && try_allocate_register_number (result_register>>1))
			reg_1=result_register>>1;
		else
			if (graph->instruction_d_min_a_cost<=0)
				reg_1=get_dregister();
			else
				reg_1=get_aregister();
		
		i_loadsqb_x_r (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
	} else {
		linearize_graph (graph_1,ad_p);
		in_address_register (ad_p);

		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);

		if (result_register!=0 && try_allocate_register_number (result_register>>1))
			reg_1=result_register>>1;
		else
			if (graph->instruction_d_min_a_cost<=0)
				reg_1=get_dregister();
			else
				reg_1=get_aregister();

		i_loadsqb_id_r ((int)(offset>>4),ad_p->ad_register,reg_1);
	}

	ad_p->ad_mode=P_REGISTER;
	ad_p->ad_register=reg_1;
	ad_p->ad_count_p=&graph->node_count;

	if (graph->node_count<=1)
		graph->inode_arity=(graph->inode_arity & ~LOAD_X_TO_ADDRESS) | LOAD_X_TO_REGISTER;
	else
		register_node (graph,reg_1);
}
#endif

static void linearize_store_r_node (INSTRUCTION_GRAPH graph)
{
	INSTRUCTION_GRAPH *register_graph_1_p,*register_graph_2_p;
	int reg_1;
	ADDRESS ad_1;
	
	switch (graph->instruction_parameters[1].p->instruction_code){
		case GCREATE:
			linearize_create_operator (graph->instruction_parameters[1].p,&ad_1,(graph->instruction_parameters[0].i<<1)+1);
			break;
		case GCREATE_R:
			linearize_create_r_operator (graph->instruction_parameters[1].p,&ad_1,(graph->instruction_parameters[0].i<<1)+1);
			break;
#ifdef LOAD_X_PARAMETER_REGISTER
		case GLOAD_X:
			linearize_load_x_operator (graph->instruction_parameters[1].p,&ad_1,(graph->instruction_parameters[0].i<<1)+1);
			break;
#endif
#ifdef G_AI64
		case GLOAD_S_X:
			linearize_load_s_x_operator (graph->instruction_parameters[1].p,&ad_1,(graph->instruction_parameters[0].i<<1)+1);
			break;
#endif
		default:
			linearize_graph (graph->instruction_parameters[1].p,&ad_1);
	}
	
	reg_1=graph->instruction_parameters[0].i;
	
	register_graph_1_p=NULL;
	
	if (is_d_register (reg_1)){
		if ((unsigned)d_reg_num (reg_1)<(unsigned)N_DATA_PARAMETER_REGISTERS
#ifdef MORE_PARAMETER_REGISTERS
									+ N_ADDRESS_PARAMETER_REGISTERS
#endif
		)
			register_graph_1_p=&global_block.block_graph_d_register_parameter_node[d_reg_num (reg_1)];
	} else
		if ((unsigned)a_reg_num (reg_1)<(unsigned)N_ADDRESS_PARAMETER_REGISTERS)
			register_graph_1_p=&global_block.block_graph_a_register_parameter_node[a_reg_num (reg_1)];
	
	if (ad_1.ad_mode==P_REGISTER && ad_1.ad_register==reg_1){
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL)
			(*register_graph_1_p)->instruction_code=GGREGISTER;
		return;
	}
	
	if (ad_1.ad_mode==P_REGISTER){
		int reg_2;
		
		reg_2=ad_1.ad_register;
		
		register_graph_2_p=NULL;
		
		if ((unsigned)d_reg_num (reg_2)<(unsigned)N_DATA_PARAMETER_REGISTERS
#ifdef MORE_PARAMETER_REGISTERS
											+ N_ADDRESS_PARAMETER_REGISTERS
#endif
		)
			register_graph_2_p=&global_block.block_graph_d_register_parameter_node[d_reg_num (reg_2)];
			
		if ((unsigned)a_reg_num (reg_2)<(unsigned)N_ADDRESS_PARAMETER_REGISTERS)
			register_graph_2_p=&global_block.block_graph_a_register_parameter_node[a_reg_num (reg_2)];
		
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL && (*register_graph_1_p)->node_count>0){
#if defined (M68000) || defined (I486)
			if (register_graph_2_p!=NULL && (*register_graph_2_p==NULL || (*register_graph_2_p)->instruction_code!=GGREGISTER)){
				INSTRUCTION_GRAPH graph;
				
				i_exg_r_r (reg_2,reg_1);
			
				(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
					
				if (*register_graph_2_p!=NULL){
					(*register_graph_2_p)->instruction_code=GGREGISTER;
					(*register_graph_2_p)->instruction_parameters[0].i=reg_1;
				}
				
				graph=*register_graph_1_p;
				*register_graph_1_p=*register_graph_2_p;
				*register_graph_2_p=graph;
			} else {
#endif
				register int reg_2;
			
				register_graph_2_p=NULL;
			
				if ((*register_graph_1_p)->instruction_d_min_a_cost<=0){
					reg_2=get_dregister();
					if ((unsigned)d_reg_num (reg_2)<(unsigned)N_DATA_PARAMETER_REGISTERS
#ifdef MORE_PARAMETER_REGISTERS
														+ N_ADDRESS_PARAMETER_REGISTERS
#endif
					)
						register_graph_2_p=&global_block.block_graph_d_register_parameter_node[d_reg_num (reg_2)];
				} else {
					reg_2=get_aregister();
					if ((unsigned)a_reg_num (reg_2)<(unsigned)N_ADDRESS_PARAMETER_REGISTERS)
						register_graph_2_p=&global_block.block_graph_a_register_parameter_node[a_reg_num (reg_2)];
				}
			
				i_move_r_r (reg_1,reg_2);
				instruction_ad_r (IMOVE,&ad_1,reg_1);
				
				(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
				
				if (register_graph_2_p!=NULL)
					*register_graph_2_p=*register_graph_1_p;
			
				*register_graph_1_p=NULL;
#if defined (M68000) || defined (I486)
			}
#endif
		} else {
			i_move_r_r (reg_2,reg_1);
			if (--*ad_1.ad_count_p==0)
				free_register (reg_2);
		}
	} else {
		switch (ad_1.ad_mode){
			case P_INDIRECT:
				--*ad_1.ad_count_p;
				break;
			case P_INDEXED:
			{
				INSTRUCTION_GRAPH load_x_graph;
				ADDRESS *i_ad_p;
	
				load_x_graph=ad_1.ad_load_x_graph;
				i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;			
#ifdef M68000
				if ((load_x_graph->inode_arity & LOAD_X_TO_ADDRESS) && i_ad_p->ad_mode==P_INDEXED)
					--*i_ad_p->ad_count_p2;
#endif
				--*i_ad_p->ad_count_p;
				break;
			}
		}
		
		if (register_graph_1_p!=NULL && *register_graph_1_p!=NULL && (*register_graph_1_p)->node_count>0){
			int reg_2;
			
			register_graph_2_p=NULL;
			
			if ((*register_graph_1_p)->instruction_d_min_a_cost<=0){
				reg_2=get_dregister();
				if ((unsigned)d_reg_num (reg_2)<(unsigned)N_DATA_PARAMETER_REGISTERS
#ifdef MORE_PARAMETER_REGISTERS
													+ N_ADDRESS_PARAMETER_REGISTERS
#endif
				)
					register_graph_2_p=&global_block.block_graph_d_register_parameter_node[d_reg_num (reg_2)];
			} else {
				reg_2=get_aregister();
				if ((unsigned)a_reg_num (reg_2)<(unsigned)N_ADDRESS_PARAMETER_REGISTERS)
					register_graph_2_p=&global_block.block_graph_a_register_parameter_node[a_reg_num (reg_2)];
			}
						
			i_move_r_r (reg_1,reg_2);
			
			(*register_graph_1_p)->instruction_parameters[0].i=reg_2;
			
			if (register_graph_2_p!=NULL)
				*register_graph_2_p=*register_graph_1_p;
			
			*register_graph_1_p=NULL;
		}
		
		switch (ad_1.ad_mode){
			case P_INDIRECT:
				++*ad_1.ad_count_p;
				break;
			case P_INDEXED:
			{
				INSTRUCTION_GRAPH load_x_graph;
				ADDRESS *i_ad_p;
	
				load_x_graph=ad_1.ad_load_x_graph;
				i_ad_p=(ADDRESS *)load_x_graph->instruction_parameters[1].p;			
#ifdef M68000
				if ((load_x_graph->inode_arity & LOAD_X_TO_ADDRESS) && i_ad_p->ad_mode==P_INDEXED)
					++*i_ad_p->ad_count_p2;
#endif
				++*i_ad_p->ad_count_p;
				break;
			}
		}
		
		instruction_ad_r (IMOVE,&ad_1,reg_1);
	}
	
	if (is_a_register (reg_1))
		allocate_aregister (reg_1);
	else
		allocate_dregister (reg_1);
}

static void linearize_load_b_x_operator (register INSTRUCTION_GRAPH graph,register ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	int offset;

	graph_1=graph->instruction_parameters[0].p;
	offset=graph->instruction_parameters[1].i;
	graph_2=graph->instruction_parameters[2].p;

	if (graph_2!=NULL){
		ADDRESS ad_1;

		if (graph->order_left){
			linearize_graph (graph_1,ad_p);
			linearize_graph (graph_2,&ad_1);
		} else {
			linearize_graph (graph_2,&ad_1);
			linearize_graph (graph_1,ad_p);
		}

#if defined (sparc) || defined (G_POWER)
		{
			int reg_1,reg_2;

			in_register (&ad_1);
			in_register (ad_p);
			
			if (--*ad_1.ad_count_p==0)
				free_register (ad_1.ad_register);
			if (--*ad_p->ad_count_p==0)
				free_register (ad_p->ad_register);

			if (offset>>2==0){				
				if (graph->instruction_d_min_a_cost<=0)
					reg_2=get_dregister();
				else
					reg_2=get_aregister();
				i_moveb_x_r (ad_p->ad_register,ad_1.ad_register,reg_2);
			} else {
				reg_1=get_aregister();
				
				i_lea_x_r (ad_p->ad_register,ad_1.ad_register,reg_1);

				free_aregister (reg_1);
				
				if (graph->instruction_d_min_a_cost<=0)
					reg_2=get_dregister();
				else
					reg_2=get_aregister();
				i_moveb_id_r (offset>>2,reg_1,reg_2);
			}

# ifdef G_POWER
			if (offset & 1)
				i_extb_r (reg_2);
# endif
	
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_2;
			ad_p->ad_count_p=&graph->node_count;

			if (graph->node_count<=1)
				graph->inode_arity=(graph->inode_arity & ~LOAD_X_TO_ADDRESS) | LOAD_X_TO_REGISTER;
			else
				register_node (graph,reg_2);
		}
#else
		{
			int reg_1;
	
			in_data_register (&ad_1);
			in_address_register (ad_p);
		
			if (--*ad_p->ad_count_p==0)
				free_aregister (ad_p->ad_register);

			if (--*ad_1.ad_count_p==0)
				free_dregister (ad_1.ad_register);

			reg_1=get_dregister();
# ifdef I486
			i_moveb_x_r (offset & ~3,ad_p->ad_register,ad_1.ad_register,reg_1);
# else
			if (offset & 1){
				i_moveb_x_r (offset & ~3,ad_p->ad_register,ad_1.ad_register,reg_1);
				i_extb_r (reg_1);
			} else {
				if (ad_1.ad_register==reg_1){
					i_moveb_x_r (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
					i_and_i_r (255,reg_1);
				} else {
					i_move_i_r (0,reg_1);
					i_moveb_x_r (offset,ad_p->ad_register,ad_1.ad_register,reg_1);
				}
			}
# endif	
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
		
			if (graph->node_count<=1)
				graph->inode_arity=(graph->inode_arity & ~LOAD_X_TO_ADDRESS) | LOAD_X_TO_REGISTER;
			else
				register_node (graph,reg_1);
		}
#endif
	} else {
		int reg_1;

		linearize_graph (graph_1,ad_p);
		in_address_register (ad_p);
	
		if (--*ad_p->ad_count_p==0)
			free_aregister (ad_p->ad_register);

		if (graph->instruction_d_min_a_cost<=0)
			reg_1=get_dregister();
		else
			reg_1=get_aregister();

#ifdef M68000
		if (!(offset & 1))
			i_move_i_r (0,reg_1);
#endif
		i_moveb_id_r (offset>>2,ad_p->ad_register,reg_1);
#if defined (M68000) || defined (G_POWER)
		if (offset & 1)
			i_extb_r (reg_1);			
#endif
		
		ad_p->ad_mode=P_REGISTER;
		ad_p->ad_register=reg_1;
		ad_p->ad_count_p=&graph->node_count;
		
		if (graph->node_count<=1)
			graph->inode_arity=(graph->inode_arity & ~LOAD_X_TO_ADDRESS) | LOAD_X_TO_REGISTER;
		else
			register_node (graph,reg_1);
	}
}

#if 0
static int selects_from_array (INSTRUCTION_GRAPH select_graph,INSTRUCTION_GRAPH graph)
{
	if (select_graph==graph)
		return 1;
	
	switch (select_graph->instruction_code){
		case GLOAD_X:
		case GFLOAD_X:
		case GLOAD_B_X:
			return selects_from_array (select_graph->instruction_parameters[0].p,graph);
		case GLOAD_ID:
			return selects_from_array (select_graph->instruction_parameters[1].p,graph);
		default:
			return 0;
	}
}
#endif

static void do_array_selects_before_update (INSTRUCTION_GRAPH select_graph,INSTRUCTION_GRAPH graph_1,INSTRUCTION_GRAPH graph_2)
{
	for (; select_graph!=NULL; ){
		switch (select_graph->instruction_code){
			case GLOAD_X:
#if 1
				if (graph_2==select_graph->instruction_parameters[0].p){
#else
				if (selects_from_array (select_graph->instruction_parameters[0].p,graph_2)){
#endif
					if (select_graph->node_count>0){
						ADDRESS s_ad;
										
						++select_graph->node_count;
						linearize_load_x_operator (select_graph,&s_ad
#ifdef LOAD_X_PARAMETER_REGISTER
											,0
#endif
											);
						--select_graph->node_count;
					} else if ((select_graph->inode_arity & LOAD_X_TO_ADDRESS) && select_graph!=graph_1){
						ADDRESS *i_ad_p;
						int dreg;
						
						i_ad_p=(ADDRESS *)select_graph->instruction_parameters[1].p;
			
						select_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);

						if (i_ad_p->ad_mode==P_INDEXED){
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_areg);
							if (--*i_ad_p->ad_count_p2==0)
								free_dregister (i_ad_p->ad_dreg);
							dreg=get_dregister();
							i_move_x_r (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,dreg);
						} else {
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_register);
							dreg=get_dregister();
							i_move_id_r (i_ad_p->ad_offset,i_ad_p->ad_register,dreg);
						}
						i_ad_p->ad_register=dreg;
					}
				}		
				break;
			case GLOAD_B_X:
#if 1
				if (graph_2==select_graph->instruction_parameters[0].p){
#else
				if (selects_from_array (select_graph->instruction_parameters[0].p,graph_2)){
#endif
					if (select_graph->node_count>0 /* added 29-2-2000: */ && !(select_graph->inode_arity & LOAD_X_TO_REGISTER) /**/){
						ADDRESS s_ad;
										
						++select_graph->node_count;
						linearize_load_b_x_operator (select_graph,&s_ad);
						--select_graph->node_count;
					}
				}		
				break;
#ifdef G_AI64
			case GLOAD_S_X:
				if (graph_2==select_graph->instruction_parameters[0].p){
					if (select_graph->node_count>0 && !(select_graph->inode_arity & LOAD_X_TO_REGISTER)){
						ADDRESS s_ad;
										
						++select_graph->node_count;
						linearize_load_s_x_operator (select_graph,&s_ad,0);
						--select_graph->node_count;
					}
				}		
				break;
#endif
			case GFLOAD_X:
#if 1
				if (graph_2==select_graph->instruction_parameters[0].p){
#else
				if (selects_from_array (select_graph->instruction_parameters[0].p,graph_2)){
#endif
					if (select_graph->node_count>0){
						ADDRESS s_ad;
						
						++select_graph->node_count;
						linearize_fload_x_operator (select_graph,&s_ad);
						--select_graph->node_count;
					} else if ((select_graph->inode_arity & LOAD_X_TO_ADDRESS) && select_graph!=graph_1){
						ADDRESS *i_ad_p;
						int freg;
							
						i_ad_p=(ADDRESS *)select_graph->instruction_parameters[1].p;
				
						select_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);;

						if (i_ad_p->ad_mode==P_INDEXED){
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_areg);
							if (--*i_ad_p->ad_count_p2==0)
								free_dregister (i_ad_p->ad_dreg);
							freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
							i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg,select_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
							i_fmove_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg);
#endif
						} else {
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_register);
							freg=get_fregister();
#ifdef ALIGN_REAL_ARRAYS
							i_fmove_id_fr_f (i_ad_p->ad_offset,i_ad_p->ad_register,freg,select_graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
							i_fmove_id_fr (i_ad_p->ad_offset,i_ad_p->ad_register,freg);
#endif
						}
						i_ad_p->ad_register=freg;
					}
				}
				break;
#ifdef I486
			case GFLOAD_S_X:
				if (graph_2==select_graph->instruction_parameters[0].p){
					if (select_graph->node_count>0 && !(select_graph->inode_arity & LOAD_X_TO_REGISTER)){
						ADDRESS s_ad;

						++select_graph->node_count;
						linearize_fload_s_x_operator (select_graph,&s_ad);
						--select_graph->node_count;
					} else if ((select_graph->inode_arity & LOAD_X_TO_ADDRESS) && select_graph!=graph_1){
						ADDRESS *i_ad_p;
						int freg;
							
						i_ad_p=(ADDRESS *)select_graph->instruction_parameters[1].p;
				
						select_graph->inode_arity ^= (LOAD_X_TO_ADDRESS | LOAD_X_TO_REGISTER);;

						if (i_ad_p->ad_mode==P_INDEXED){
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_areg);
							if (--*i_ad_p->ad_count_p2==0)
								free_dregister (i_ad_p->ad_dreg);
							freg=get_fregister();
							i_floads_x_fr (i_ad_p->ad_offset,i_ad_p->ad_areg,i_ad_p->ad_dreg,freg);
						} else {
							if (--*i_ad_p->ad_count_p==0)
								free_aregister (i_ad_p->ad_register);
							freg=get_fregister();
							i_floads_id_fr (i_ad_p->ad_offset,i_ad_p->ad_register,freg);
						}
						i_ad_p->ad_register=freg;
					}
				}
				break;
#endif
			case GREGISTER:
			case GFREGISTER:
#ifndef G_A64
			case GFHIGH:
			case GFLOW:
#endif
			case GGREGISTER:
				break;
#if defined (G_A64)
			case GFROMF:
				select_graph=select_graph->instruction_parameters[0].p;
				continue;
#endif
			default:
				internal_error_in_function ("do_array_selects_before_update");
		}
		select_graph=select_graph->instruction_parameters[3].p;
	}
}

static void linearize_store_x_operator (int i_instruction_code,INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2,graph_3;
	int offset;
	ADDRESS ad_1,ad_3;

	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	offset=graph->instruction_parameters[2].i;
	graph_3=graph->instruction_parameters[3].p;

	if (graph_3==NULL){
		if (graph->order_left){
			linearize_graph (graph_1,&ad_1);
			linearize_graph (graph_2,ad_p);
		} else {
			linearize_graph (graph_1,&ad_1);
			linearize_graph (graph_2,ad_p);
		}
	} else {
		switch (graph->order_left){
			case 0:
				linearize_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				break;
			case 1:
				linearize_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				break;
			case 2:
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				break;
			case 3:
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_1,&ad_1);
				break;
			case 4:
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_1,&ad_1);
				break;
			case 5:
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				break;
			default:
				internal_error_in_function ("linearize_store_x_operator");
		}
	}

	do_array_selects_before_update (graph->instruction_parameters[4].p,graph_1,graph_2);

	in_address_register (ad_p);

	if (graph_3==NULL){
		if (i_instruction_code!=IMOVE && ad_1.ad_mode!=P_IMMEDIATE)
			in_data_register (&ad_1);

		instruction_ad_id (i_instruction_code,&ad_1,offset>>2,ad_p->ad_register);
#if defined (sparc) || defined (G_POWER)
	} else if (offset!=0){
		if (i_instruction_code!=IMOVE && ad_1.ad_mode!=P_IMMEDIATE)
			in_data_register (&ad_1);

		instruction_ad_id (i_instruction_code,&ad_1,offset>>2,ad_3.ad_register);
#endif
	} else {
		in_data_register (&ad_3);
		
#ifndef M68000
		if (ad_1.ad_mode==P_INDEXED)
			in_register (&ad_1);
#endif

		if (i_instruction_code!=IMOVE && ad_1.ad_mode!=P_IMMEDIATE
#ifdef M68000
			&& ad_1.ad_mode!=P_INDEXED
#endif
			)
			in_data_register (&ad_1);

		if (--*ad_3.ad_count_p==0)
			free_dregister (ad_3.ad_register);

		instruction_ad_x (i_instruction_code,&ad_1,offset,ad_p->ad_register,ad_3.ad_register);
	}

	if (graph->node_count>1){
		while (graph_2->instruction_code==GINDIRECTION)
			graph_2=graph_2->instruction_parameters[0].p;
		
 		if (graph_2->instruction_code==GREGISTER){
			register_node (graph_2,ad_p->ad_register);
			graph_2->node_count += graph->node_count;
			ad_p->ad_count_p=&graph_2->node_count;

			graph->instruction_parameters[0].p=graph_2;
			graph->instruction_code=GINDIRECTION;
		} else {
			register_node (graph,ad_p->ad_register);
			ad_p->ad_count_p=&graph->node_count;
		}
	} else {
		if (graph_2->instruction_code==GREGISTER){
			graph->instruction_parameters[0].p=graph_2;
			graph->instruction_code=GINDIRECTION;
		} else if (graph_2->instruction_code==GINDIRECTION){
			graph->instruction_parameters[0].p=graph_2->instruction_parameters[0].p;
			graph->instruction_code=GINDIRECTION;
		}
 	}
}

static void linearize_bounds_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	ADDRESS ad_1;

	if (graph->order_left){
		linearize_graph (graph->instruction_parameters[0].p,&ad_1);
		linearize_graph (graph->instruction_parameters[1].p,ad_p);
	} else {
		linearize_graph (graph->instruction_parameters[1].p,ad_p);
		linearize_graph (graph->instruction_parameters[0].p,&ad_1);
	}

	in_address_register (&ad_1);

	if (graph->node_count>1)
		in_alterable_data_register (ad_p);
	else
		in_data_register (ad_p);

	i_cmp_id_r (STACK_ELEMENT_SIZE,ad_1.ad_register,ad_p->ad_register);
	instruction_l (IBHS,index_error_label);

	if (--*ad_1.ad_count_p==0)
		free_aregister (ad_1.ad_register);

	if (graph->node_count>1){
		register_node (graph,ad_p->ad_register);
		ad_p->ad_count_p=&graph->node_count;
	}
}

static void linearize_exit_if_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2;
	int condition;
	
	graph_1=graph->instruction_parameters[1].p;
	graph_2=graph->instruction_parameters[2].p;

	condition=linearize_condition (graph_1);

#if defined (I486) && !defined (G_A64)
	if (is_float_condition (condition)){
		int convert_instruction_code,branch_instruction_code,tmp_reg;
	
		if (try_allocate_register_number (REGISTER_D0))
			tmp_reg=REGISTER_D0;
		else
			tmp_reg=get_dregister();

		convert_instruction_code=condition_to_branch_false_instruction[condition];
		instruction_r (convert_instruction_code,tmp_reg);

		free_register (tmp_reg);
		
		branch_instruction_code=convert_instruction_code==IFCNE ? IBNE :
								convert_instruction_code==IFCLE ? IBLTU : IBEQ;
		instruction_l (branch_instruction_code,graph->instruction_parameters[0].l);
	} else
#endif
	instruction_l (condition_to_branch_false_instruction[condition],graph->instruction_parameters[0].l);

	linearize_graph (graph_2,ad_p);

	if (graph->node_count>1){
		in_address_register (ad_p);
		register_node (graph_2,ad_p->ad_register);
		graph_2->node_count += graph->node_count;
		ad_p->ad_count_p=&graph_2->node_count;

		graph->instruction_parameters[0].p=graph_2;
		graph->instruction_code=GINDIRECTION;
	}			
}

static void linearize_graph (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	switch (graph->instruction_code){
		case GLOAD:
		{
			if (graph->node_count<=1){
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_count_p=&ad_p->ad_count;
				ad_p->ad_count=1+1;
				ad_p->ad_offset=graph->instruction_parameters[0].i;
				ad_p->ad_register=graph->instruction_parameters[1].i;
				graph->node_count=0;
			} else {
				int reg_1;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg_1=get_dregister();
				else
					reg_1=get_aregister();
					
				i_move_id_r (graph->instruction_parameters[0].i,graph->instruction_parameters[1].i,reg_1);
		
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg_1);
			}
			return;
		}
		case GREGISTER:
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=graph->instruction_parameters[0].i;
			ad_p->ad_count_p=&graph->node_count;
			return;
		case GGREGISTER:
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=graph->instruction_parameters[0].i;
			ad_p->ad_count_p=&ad_p->ad_count;
			ad_p->ad_count=1+1;
			return;
		case GLOAD_I:
			if (graph->node_count<=1){
				ad_p->ad_mode=P_IMMEDIATE;
				ad_p->ad_offset=graph->instruction_parameters[0].imm;
			} else {
				int reg_1;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg_1=get_dregister();
				else
					reg_1=get_aregister();
				i_move_i_r (graph->instruction_parameters[0].imm,reg_1);
				
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg_1);
			}
			return;
		case GLOAD_DES_I:
			if (graph->node_count<=1){
				ad_p->ad_mode=P_DESCRIPTOR_NUMBER;
				ad_p->ad_label=graph->instruction_parameters[0].l;
				ad_p->ad_offset=graph->instruction_parameters[1].i;
			} else {
				int reg_1;
				
				if (graph->instruction_d_min_a_cost<=0)
					reg_1=get_dregister();
				else
					reg_1=get_aregister();
					
				i_move_d_r (graph->instruction_parameters[0].l,graph->instruction_parameters[1].i,reg_1);
				
				ad_p->ad_mode=P_REGISTER;
				ad_p->ad_register=reg_1;
				ad_p->ad_count_p=&graph->node_count;
				
				register_node (graph,reg_1);
			}
			return;
		case GLEA:
		{
			register int reg_1;

#ifdef I486
			if (graph->node_count==1){
				ad_p->ad_mode=P_DESCRIPTOR_NUMBER;
				if (graph->inode_arity==1)
					ad_p->ad_offset=graph->instruction_parameters[1].i;
				else
					ad_p->ad_offset=0;
				ad_p->ad_label=graph->instruction_parameters[0].l;
				ad_p->ad_count_p=&graph->node_count;
				return;
			} else {
#endif

#ifndef M68000
			if (graph->instruction_d_min_a_cost<0)
				reg_1=get_dregister();
			else
#endif
			reg_1=get_aregister();

			if (graph->inode_arity==1)
				i_lea_l_i_r (graph->instruction_parameters[0].l,graph->instruction_parameters[1].i,reg_1);
			else
				i_lea_l_i_r (graph->instruction_parameters[0].l,0,reg_1);
#ifdef M68000			
			if (graph->instruction_d_min_a_cost<0){
				int reg_2;
				
				reg_2=get_dregister();
				i_move_r_r (reg_1,reg_2);
				free_aregister (reg_1);
				reg_1=reg_2;
			}
#endif
			if (graph->node_count>1)
				register_node (graph,reg_1);
			
			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
			
			return;
#ifdef I486
			}
#endif
		}
		case GLOAD_ID:
		{
			INSTRUCTION_GRAPH graph_1;
			
			graph_1=graph->instruction_parameters[1].p;
			linearize_graph (graph_1,ad_p);
			in_address_register (ad_p);
			
			if (graph->node_count<=1){
				ad_p->ad_mode=P_INDIRECT;
				ad_p->ad_offset=graph->instruction_parameters[0].i;
				--graph->node_count;
			} else {
				int reg_1;
				
				if (--*ad_p->ad_count_p==0)
					free_aregister (ad_p->ad_register);
				
				if (graph->instruction_d_min_a_cost<=0)
					reg_1=get_dregister();
				else
					reg_1=get_aregister();
				i_move_id_r (graph->instruction_parameters[0].i,ad_p->ad_register,reg_1);
				
				U3( ad_p, ad_mode=P_REGISTER, ad_register=reg_1, ad_count_p=&graph->node_count);
				
				register_node (graph,reg_1);
			}
			return;
		}
		case GLOAD_B_ID:
		{
			register INSTRUCTION_GRAPH graph_1;
			ADDRESS ad_1;
			register int reg_1;
			
			graph_1=graph->instruction_parameters[1].p;
			linearize_graph (graph_1,&ad_1);
			in_address_register (&ad_1);
			
			if (--*ad_1.ad_count_p==0)
				free_aregister (ad_1.ad_register);
				
			reg_1=get_dregister();
#ifdef M68000
			i_move_i_r (0,reg_1);
#endif
			i_moveb_id_r (graph->instruction_parameters[0].i,ad_1.ad_register,reg_1);
			
			if (graph->instruction_d_min_a_cost>0){
				int reg_2;
				
				reg_2=get_aregister();
				i_move_r_r (reg_1,reg_2);
				free_dregister (reg_1);
				reg_1=reg_2;
			}
			
			if (graph->node_count>1)
				register_node (graph,reg_1);

			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
	
			return;
		}
		case GLOAD_DES_ID:
		{
			register INSTRUCTION_GRAPH graph_1;
			ADDRESS ad_1;
			register int reg_1;
			
			graph_1=graph->instruction_parameters[1].p;
			linearize_graph (graph_1,&ad_1);
			in_address_register (&ad_1);
			
			if (--*ad_1.ad_count_p==0)
				free_aregister (ad_1.ad_register);
			
			if (graph->instruction_d_min_a_cost<0){
				reg_1=get_dregister();
				i_movew_id_r (graph->instruction_parameters[0].i,ad_1.ad_register,reg_1);
#ifdef M68000
				i_ext_r (reg_1);
#endif
			} else {
				reg_1=get_aregister();
				i_movew_id_r (graph->instruction_parameters[0].i,ad_1.ad_register,reg_1);
			}
			
			if (graph->node_count>1)
				register_node (graph,reg_1);

			ad_p->ad_mode=P_REGISTER;
			ad_p->ad_register=reg_1;
			ad_p->ad_count_p=&graph->node_count;
	
			return;
		}
		case GSTORE:
		{
			INSTRUCTION_GRAPH a_graph;
			int offset,stack_pointer;
			
			a_graph=graph->instruction_parameters[2].p;
			
			if (a_graph->node_count==1)
				switch (a_graph->instruction_code){
					case GFILL:
						linearize_store_fill_operator (graph,a_graph);
						return;
					case GCREATE:
						if (a_graph->inode_arity>3 && a_graph->instruction_parameters[0].p!=NULL){
							int arity;
												
							arity=a_graph->inode_arity;
							while (--arity>0 && a_graph->instruction_parameters[arity].p!=NULL)
								;

							if (arity>0)
								break;
						}					
	
						offset=graph->instruction_parameters[0].i;
						stack_pointer=graph->instruction_parameters[1].i;

						linearize_load_graph (graph->instruction_parameters[3].p);

						linearize_store_create_operator (offset,stack_pointer,a_graph);
						return;
				}
		
			linearize_graph (a_graph,ad_p);
			
			offset=graph->instruction_parameters[0].i;
			stack_pointer=graph->instruction_parameters[1].i;
			
			linearize_load_graph (graph->instruction_parameters[3].p);
						
			instruction_ad_id (IMOVE,ad_p,offset,stack_pointer);
			return;
		}
		case GBEFORE0:
		case GBEFORE:
		{
			INSTRUCTION_GRAPH graph_1;
			int i;
			
			graph_1=graph->instruction_parameters[0].p;
			linearize_graph (graph_1,ad_p);

			if (graph->instruction_code==GBEFORE){
				/* added 16-5-2000 */				
				for (i=1; i<graph->inode_arity; ++i){
					INSTRUCTION_GRAPH graph_2;

					graph_2=graph->instruction_parameters[i].p;
					if (graph_2->node_count==1 && graph_2->instruction_code==GMOVEMI)
						graph_2->node_count=0;
				}
				/**/
				for (i=1; i<graph->inode_arity; ++i){
					INSTRUCTION_GRAPH graph_2;
					ADDRESS ad_1;

					graph_2=graph->instruction_parameters[i].p;
					if (graph_2->node_count>1){
						linearize_graph (graph_2,&ad_1);					
						in_register (&ad_1);
						register_node (graph_2,ad_1.ad_register);
					}
				}
			}
			
			if (graph->node_count>1){
				in_address_register (ad_p);
/* changed 27-12-2000
				register_node (graph,ad_p->ad_register);
				ad_p->ad_count_p=&graph->node_count;
*/
				register_node (graph_1,ad_p->ad_register);
				graph_1->node_count += graph->node_count;
				ad_p->ad_count_p=&graph_1->node_count;

				/* graph->instruction_parameters[0].p=graph_1; */
				graph->instruction_code=GINDIRECTION;
/* */
			}			

			return;
		}
		case GKEEP:
		{
			INSTRUCTION_GRAPH graph_1,graph_2;
			ADDRESS ad_1;
			
			graph_1=graph->instruction_parameters[0].p;
			graph_2=graph->instruction_parameters[1].p;

			linearize_graph (graph_1,&ad_1);
			
			switch (ad_1.ad_mode){
				case P_REGISTER:
				case P_INDIRECT:
					if (--*ad_1.ad_count_p==0)
						free_register (ad_1.ad_register);
			}
			
			linearize_graph (graph_2,ad_p);
						
			if (graph->node_count>1){
				in_address_register (ad_p);
/* changed 10-12-97
				register_node (graph,ad_p->ad_register);
				ad_p->ad_count_p=&graph->node_count;
*/
				register_node (graph_2,ad_p->ad_register);
				graph_2->node_count += graph->node_count;
				ad_p->ad_count_p=&graph_2->node_count;

				graph->instruction_parameters[0].p=graph_2;
				graph->instruction_code=GINDIRECTION;
/**/
			}			

			return;
		}
/* added 10-12-97 */
		case GINDIRECTION:
			linearize_graph (graph->instruction_parameters[0].p,ad_p);
			return;
/* */		
		case GLOAD_X:
			linearize_load_x_operator (graph,ad_p
#ifdef LOAD_X_PARAMETER_REGISTER
								,0
#endif
								);
			return;
		case GLOAD_B_X:
			linearize_load_b_x_operator (graph,ad_p);
			return;			
#ifdef G_AI64
		case GLOAD_S_X:
			linearize_load_s_x_operator (graph,ad_p,0);
			return;
#endif
		case GSTORE_X:
			linearize_store_x_operator (IMOVE,graph,ad_p);
			return;
		case GSTORE_B_X:
			linearize_store_x_operator (IMOVEB,graph,ad_p);
			return;
#ifdef G_AI64
		case GSTORE_S_X:
			graph->instruction_parameters[2].i = graph->instruction_parameters[2].imm>>2;
			linearize_store_x_operator (IMOVEQB,graph,ad_p);
			return;			
#endif
		case GSTORE_R:
			linearize_store_r_node (graph);
			break;
		case GFSTORE:
			linearize_fstore_operator (graph);
			return;
		case GFSTORE_X:
			linearize_fstore_x_operator (graph,ad_p);
			return;
#ifdef I486
		case GFSTORE_S_X:
			linearize_fstore_s_x_operator (graph,ad_p);
			return;
#endif
		case GFSTORE_R:
			linearize_fstore_r_operator (graph);
			return;
		case GADD:
			linearize_dyadic_commutative_operator (IADD,graph,ad_p);
			return;
		case GAND:
			linearize_dyadic_commutative_data_operator (IAND,graph,ad_p);
			return;
		case GMUL:
			linearize_dyadic_commutative_data_operator (IMUL,graph,ad_p);
			return;
		case GOR:
			linearize_dyadic_commutative_data_operator (IOR,graph,ad_p);
			return;
		case GEOR:
#ifdef M68000
			linearize_eor_operator (graph,ad_p);
#else
			linearize_dyadic_commutative_data_operator (IEOR,graph,ad_p);
#endif
			return;
		case GSUB:
			linearize_dyadic_non_commutative_operator (ISUB,graph,ad_p);
			return;
#if defined (I486) || defined (G_POWER)
		case GDIV:
			linearize_div_rem_operator (IDIV,graph,ad_p);
			return;
		case GREM:
			linearize_div_rem_operator (IREM,graph,ad_p);
			return;
		case GDIVU:
			linearize_div_rem_operator (IDIVU,graph,ad_p);
			return;
# ifdef I486
		case GREMU:
			linearize_div_rem_operator (IREMU,graph,ad_p);
			return;
# endif
#else
		case GDIV:
			linearize_dyadic_non_commutative_data_operator (IDIV,graph,ad_p);
			return;
		case GREM:
			linearize_rem_operator (IREM,graph,ad_p);
			return;
#endif
#ifdef I486
		case GFLOORDIV:
			linearize_floordiv_mod_operator (IFLOORDIV,graph,ad_p);
			return;
		case GMOD:
			linearize_floordiv_mod_operator (IMOD,graph,ad_p);
			return;
#endif
		case GCMP_EQ:
			linearize_compare_operator (CEQ,CEQ,graph,ad_p);
			return;
		case GCMP_LT:
			linearize_compare_operator (CLT,CGT,graph,ad_p);
			return;
		case GCMP_LTU:
			linearize_compare_operator (CLTU,CGTU,graph,ad_p);
			return;
		case GCMP_GT:
			linearize_compare_operator (CGT,CLT,graph,ad_p);
			return;
		case GCMP_GTU:
			linearize_compare_operator (CGTU,CLTU,graph,ad_p);
			return;
		case GCNOT:
			linearize_conditional_not_operator (graph,ad_p);
			return;
		case GLSR:
#ifndef I486
			linearize_shift_operator (ILSR,graph,ad_p);
#else
			linearize_shift_operator (ILSR,ILSR_S,graph,ad_p);
#endif
			return;
		case GLSL:
#ifndef I486
			linearize_shift_operator (ILSL,graph,ad_p);
#else
			linearize_shift_operator (ILSL,ILSL_S,graph,ad_p);
#endif
			return;
		case GASR:
#ifndef I486
			linearize_shift_operator (IASR,graph,ad_p);
#else
			linearize_shift_operator (IASR,IASR_S,graph,ad_p);
#endif
			return;
		case GCREATE:
			linearize_create_operator (graph,ad_p,0);
			return;
#ifdef G_POWER
		case GCREATE_S:
			ad_p->ad_mode=P_STORE_HP_INSTRUCTION;
			ad_p->ad_offset=(LONG) linearize_store_create_operator (0,HEAP_POINTER,graph);
			return;
#endif
		case GCREATE_R:
			linearize_create_r_operator (graph,ad_p,0);
			return;
		case GFILL:
			linearize_fill_operator (graph,ad_p);
			return;
		case GFILL_R:
			linearize_fill_r_operator (graph,ad_p);
			return;
		case GNEG:
			linearize_monadic_data_operator (INEG,graph,ad_p);
			return;
#if defined (I486) || defined (G_POWER)
		case GNOT:
			linearize_monadic_data_operator (INOT,graph,ad_p);
			return;
#endif
		case GMOVEMI:
			linearize_movemi_operator (graph,ad_p);
			return;
		case GCOPY:
			linearize_copy_operator (graph,ad_p);
			return;
#ifndef G_A64
		case GFHIGH:
			linearize_fhigh_operator (graph,ad_p);
			return;
		case GFLOW:
			linearize_flow_operator (graph,ad_p);
			return;
#endif
		case GFCMP_EQ:
			linearize_float_compare_operator (CFEQ,CFEQ,graph,ad_p);
			return;
		case GFCMP_LT:
			linearize_float_compare_operator (CFLT,CFGT,graph,ad_p);
			return;
		case GFCMP_GT:
			linearize_float_compare_operator (CFGT,CFLT,graph,ad_p);
			return;
#ifdef G_A64
		case GFROMF:
			linearize_fromf_operator (graph,ad_p);
			return;
#endif
		case GFRTOI:
			linearize_rtoi_operator (graph,ad_p);
			return;
		case GBOUNDS:
			linearize_bounds_operator (graph,ad_p);
			return;
		case GEXIT_IF:
			linearize_exit_if_operator (graph,ad_p);
			return;
		case GADD_O:
			linearize_add_o_operator (graph,ad_p,NULL);
			return;
		case GMUL_O:
			linearize_mul_o_operator (graph,ad_p,NULL);
			break;
		case GSUB_O:
			linearize_sub_o_operator (graph,ad_p,NULL);
			return;
		case GTEST_O:
			linearize_test_o_operator (graph,ad_p);
			return;
#ifdef G_POWER
		case GUMULH:
			linearize_dyadic_commutative_data_operator (IUMULH,graph,ad_p);
			return;
#endif
#ifdef I486
		case GRESULT0:
		case GRESULT1:
			linearize_two_results_operator (graph,ad_p);
			return;
#endif
		default:
			/* printf ("%d %d\n",(int)graph,graph->instruction_code); */
			internal_error_in_function ("linearize_graph");
	}
}

static void linearize_fstore_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2,graph_3;
	int offset;
	ADDRESS ad_1,ad_3;
			
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	offset=graph->instruction_parameters[2].i;
	graph_3=graph->instruction_parameters[3].p;

	if (graph_3==NULL){
		if (graph->order_left){
			linearize_float_graph (graph_1,&ad_1);
			linearize_graph (graph_2,ad_p);
		} else {
			linearize_graph (graph_2,ad_p);
			linearize_float_graph (graph_1,&ad_1);
		}
	} else {
		switch (graph->order_left){
			case 0:
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				break;
			case 1:
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				break;
			case 2:
				linearize_graph (graph_2,ad_p);
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				break;
			case 3:
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				linearize_float_graph (graph_1,&ad_1);
				break;
			case 4:
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				linearize_float_graph (graph_1,&ad_1);
				break;
			case 5:
				linearize_graph (graph_3,&ad_3);
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				break;
			default:
				internal_error_in_function ("linearize_fstore_x_operator");
		}
	}

	do_array_selects_before_update (graph->instruction_parameters[4].p,graph_1,graph_2);

	in_address_register (ad_p);

	if (graph_3==NULL){
#ifdef ALIGN_REAL_ARRAYS
		if (ad_1.ad_mode==P_F_REGISTER){
			i_fmove_fr_id_f (ad_1.ad_register,offset>>2,ad_p->ad_register,graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
			if (--*ad_1.ad_count_p==0){
# ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
# endif
				free_fregister (ad_1.ad_register);
			}
		} else
#endif
		move_float_ad_id (&ad_1,offset>>2,ad_p->ad_register);
#if defined (sparc) || defined (G_POWER)
	} else if (offset!=0){
		in_address_register (&ad_3);
# ifdef ALIGN_REAL_ARRAYS
		if (ad_1.ad_mode==P_F_REGISTER){
			i_fmove_fr_id_f (ad_1.ad_register,offset>>2,ad_3.ad_register,graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
			if (--*ad_1.ad_count_p==0){
#  ifdef FP_STACK_OPTIMIZATIONS
				last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
#  endif
				free_fregister (ad_1.ad_register);
			}
		} else
# endif
		move_float_ad_id (&ad_1,offset>>2,ad_3.ad_register);
#endif
	} else {
		in_data_register (&ad_3);

		if (--*ad_3.ad_count_p==0)
			free_dregister (ad_3.ad_register);

#ifndef M68000
# ifdef I486
		if (ad_1.ad_mode==P_INDEXED)
# else
		if (ad_1.ad_mode!=P_F_REGISTER)
# endif
			in_float_register (&ad_1);
#endif
#ifdef ALIGN_REAL_ARRAYS
		move_float_ad_x (&ad_1,offset,ad_p->ad_register,ad_3.ad_register,graph->inode_arity & LOAD_STORE_ALIGNED_REAL);
#else
		move_float_ad_x (&ad_1,offset,ad_p->ad_register,ad_3.ad_register);
#endif
	}

	if (graph->node_count>1){
		register_node (graph,ad_p->ad_register);
		ad_p->ad_count_p=&graph->node_count;
	}
}

#ifdef I486
static void linearize_fstore_s_x_operator (INSTRUCTION_GRAPH graph,ADDRESS *ad_p)
{
	INSTRUCTION_GRAPH graph_1,graph_2,graph_3;
	int offset;
	ADDRESS ad_1,ad_3;
			
	graph_1=graph->instruction_parameters[0].p;
	graph_2=graph->instruction_parameters[1].p;
	offset=graph->instruction_parameters[2].i;
	graph_3=graph->instruction_parameters[3].p;

	if (graph_3==NULL){
		if (graph->order_left){
			linearize_float_graph (graph_1,&ad_1);
			linearize_graph (graph_2,ad_p);
		} else {
			linearize_graph (graph_2,ad_p);
			linearize_float_graph (graph_1,&ad_1);
		}
	} else {
		switch (graph->order_left){
			case 0:
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				break;
			case 1:
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				break;
			case 2:
				linearize_graph (graph_2,ad_p);
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_3,&ad_3);
				break;
			case 3:
				linearize_graph (graph_2,ad_p);
				linearize_graph (graph_3,&ad_3);
				linearize_float_graph (graph_1,&ad_1);
				break;
			case 4:
				linearize_graph (graph_3,&ad_3);
				linearize_graph (graph_2,ad_p);
				linearize_float_graph (graph_1,&ad_1);
				break;
			case 5:
				linearize_graph (graph_3,&ad_3);
				linearize_float_graph (graph_1,&ad_1);
				linearize_graph (graph_2,ad_p);
				break;
			default:
				internal_error_in_function ("linearize_fstore_s_x_operator");
		}
	}

	do_array_selects_before_update (graph->instruction_parameters[4].p,graph_1,graph_2);

	in_address_register (ad_p);

	if (graph_3==NULL){
		int reg_1;
		
		if (ad_1.ad_mode!=P_F_REGISTER)
			in_float_register (&ad_1);

#ifdef G_AI64
		if (--*ad_1.ad_count_p==0)
			reg_1=ad_1.ad_register;
		else
			reg_1=get_fregister();

		i_fcvt2s_fr_fr (ad_1.ad_register,reg_1);
		i_fmoves_fr_id (reg_1,offset>>2,ad_p->ad_register);

		free_fregister (reg_1);
#else
		i_fmoves_fr_id (ad_1.ad_register,offset>>2,ad_p->ad_register);
		if (--*ad_1.ad_count_p==0){
# ifdef FP_STACK_OPTIMIZATIONS
			last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
# endif
			free_fregister (ad_1.ad_register);
		}
#endif
	} else {
		int reg_1;

		in_data_register (&ad_3);

		if (--*ad_3.ad_count_p==0)
			free_dregister (ad_3.ad_register);

		if (ad_1.ad_mode!=P_F_REGISTER)
			in_float_register (&ad_1);
#ifdef G_AI64
		if (--*ad_1.ad_count_p==0)
			reg_1=ad_1.ad_register;
		else
			reg_1=get_fregister();

		i_fcvt2s_fr_fr (ad_1.ad_register,reg_1);
		i_fmoves_fr_x (reg_1,offset,ad_p->ad_register,ad_3.ad_register);

		free_fregister (reg_1);
#else
		i_fmoves_fr_x (ad_1.ad_register,offset,ad_p->ad_register,ad_3.ad_register);
		if (--*ad_1.ad_count_p==0){
# ifdef FP_STACK_OPTIMIZATIONS
			last_instruction->instruction_parameters[0].parameter_flags |= FP_REG_LAST_USE;
# endif
			free_fregister (ad_1.ad_register);
		}
#endif
	}

	if (graph->node_count>1){
		register_node (graph,ad_p->ad_register);
		ad_p->ad_count_p=&graph->node_count;
	}
}
#endif

void calculate_and_linearize_branch_false (LABEL *label,INSTRUCTION_GRAPH graph)
{
	int condition,condition_on_stack;
	
	calculate_graph_register_uses (graph);
	condition=linearize_condition (graph);
	
#if defined (I486) && !defined (G_A64)
	if (is_float_condition (condition)){
		int convert_instruction_code,branch_instruction_code,tmp_reg;
	
		if (try_allocate_register_number (REGISTER_D0))
			tmp_reg=REGISTER_D0;
		else
			tmp_reg=get_dregister();

		convert_instruction_code=condition_to_branch_false_instruction[condition];
		instruction_r (convert_instruction_code,tmp_reg);

		free_register (tmp_reg);

		adjust_stack_pointers_without_altering_condition_codes (1,condition);
		
		branch_instruction_code=convert_instruction_code==IFCNE ? IBNE :
								convert_instruction_code==IFCLE ? IBLTU : IBEQ;
		instruction_l (branch_instruction_code,label);
		
		return;
	}
#endif

	condition_on_stack=adjust_stack_pointers_without_altering_condition_codes (is_float_condition (condition),condition);

#ifdef M68000
	if (condition_on_stack){
		i_tstb_pi (REGISTER_A7);
		instruction_l (IBEQ,label);
	} else
#endif
		instruction_l (condition_to_branch_false_instruction[condition],label);
}

void calculate_and_linearize_branch_true (LABEL *label,INSTRUCTION_GRAPH graph)
{
	int condition,condition_on_stack;
	
	calculate_graph_register_uses (graph);
	condition=linearize_condition (graph);

#if defined (I486) && !defined (G_A64)
	if (is_float_condition (condition)){
		int convert_instruction_code,branch_instruction_code,tmp_reg;
	
		if (try_allocate_register_number (REGISTER_D0))
			tmp_reg=REGISTER_D0;
		else
			tmp_reg=get_dregister();

		convert_instruction_code=condition_to_branch_true_instruction[condition];
		instruction_r (convert_instruction_code,tmp_reg);

		free_register (tmp_reg);

		adjust_stack_pointers_without_altering_condition_codes (1,condition);
		
		branch_instruction_code=convert_instruction_code==IFCNE ? IBNE :
								convert_instruction_code==IFCLE ? IBLTU : IBEQ;
		instruction_l (branch_instruction_code,label);

		return;
	}
#endif

	condition_on_stack=adjust_stack_pointers_without_altering_condition_codes (is_float_condition (condition),condition);

#ifdef M68000
	if (condition_on_stack){
		i_tstb_pi (REGISTER_A7);
		instruction_l (IBNE,label);
	} else
#endif
		instruction_l (condition_to_branch_true_instruction[condition],label);
}

void calculate_and_linearize_graph (INSTRUCTION_GRAPH graph)
{
	ADDRESS ad;

	calculate_graph_register_uses (graph);
	linearize_graph (graph,&ad);
}

void initialize_linearization (VOID)
{
	free_dregisters.r_s_list.r_l_next=NULL;
	free_aregisters.r_s_list.r_l_next=NULL;
	free_fregisters.r_s_list.r_l_next=NULL;
	
	free_all_aregisters();
	free_all_dregisters();
	free_all_fregisters();

	IF_G_POWER (last_heap_pointer_update=NULL;)
}

#if 0
static char *i_instruction_names[] = {
	"ADD",		"AND",		"ASR",		"BEQ",		"BGE",		"BGEU",		"BGT",
	"BGTU",		"BLE",		"BLEU",		"BLT",		"BLTU",		"BNE",		"BNO",
	"BO",		"CMP",		"DIV",		"EOR",		"EXG",		"EXT",		"FADD",
#if ! (defined (I486) && !defined (G_A64))
	"FBEQ",		"FBGE",		"FBGT",		"FBLE",		"FBLT",		"FBNE",
#endif
	"FABS",
	"FCMP",		"FCOS",		"FDIV",		"FMUL",		"FNEG",		"FREM",		"FSEQ",
	"FSGE",		"FSGT",		"FSIN",		"FSLE",		"FSLT",		"FSNE",		"FSUB",
	"FTAN",		"FTST",		"FMOVE",	"FMOVEL",	"JMP",		"JSR",		"LEA",
	"LSL",		"LSR",		"MOD",		"MOVE",		"MOVEB",	"MOVEDB",	"MUL",
	"NEG",		"OR",		"RTS",		"SCHEDULE",	"SEQ",		"SGE",		"SGEU",
	"SGT",		"SGTU",		"SLE",		"SLEU",		"SLT",		"SLTU",		"SNE",
	"SNO",		"SO",		"SUB",		"TST",		"WORD"
#if !defined (G_POWER)
	,"FSQRT"
#endif
#ifdef M68000
	,"CMPW"
	,"FACOS",	"FASIN",	"FATAN",	"FEXP",		"FLN",		"FLOG10",
	"BMI",		"BMOVE",	"MOVEM",	"TSTB"
#endif
#if defined (M68000) || defined (G_POWER)
	,"EXTB"
#endif
#ifndef M68000
	,"BTST"
#endif
#ifdef sparc
	,"FMOVEHI",	"FMOVELO"
#endif
#ifdef G_POWER
	,"BNEP","MTCTR"
#endif
#if defined (G_POWER) || defined (sparc)
	,"ADDI",	"LSLI"
	,"ADDO",	"SUBO"
#endif
#ifdef I486
	,"ASR_S","LSL_S","LSR_S"
#endif
#if defined (I486) && !defined (G_A64)
	,"FCEQ",	"FCGE", "FCGT", "FCLE", "FCLT", "FCNE"
	,"FSINCOS"
#endif
#ifdef G_POWER
	,"CMPLW"
	,"MULO"
#endif
#if defined (G_POWER) || defined (I486)
	,"JMPP"	,"RTSP", "NOT"
#endif
#if defined (I486) && defined (FP_STACK_OPTIMIZATIONS)
	,"FEXG"
#endif
#if defined (I486)
	,"ADC" ,"RTSI", "DIVI", "REMI", "REMU", "MULUD", "DIVDU", "SBB"
	,"FLOADS", "FMOVES"
#endif
#if defined (I486) || defined (G_POWER)
	,"DIVU"
#endif
#ifdef G_POWER
	,"UMULH"
#endif
#ifdef G_AI64
	,"LOADSQB", "MOVEQB",	"FCVT2S"
#endif
#if 1
	,"CMPXCHG", "XADD"
#endif
};

static void show_parameter (struct parameter *parameter)
{
	switch (parameter->parameter_type){
		case P_REGISTER:
		{
			int reg=parameter->parameter_data.reg.r;
			if (is_d_register (reg))
				printf ("D%d",d_reg_num (reg));
			else
				printf ("A%d",a_reg_num (reg));
			break;
		}
		case P_LABEL:
			if (parameter->parameter_data.l->label_number!=0)
				printf ("L%d",parameter->parameter_data.l->label_number);
			else
				printf ("%s",parameter->parameter_data.l->label_name);
			break;
		case P_DESCRIPTOR_NUMBER:
			printf ("#!%s+%d",parameter->parameter_data.l->label_name,parameter->parameter_offset);
			break;
		case P_INDIRECT:
			if (parameter->parameter_offset==0)
				printf ("(A%d)",a_reg_num (parameter->parameter_data.reg.r));
			else
				printf ("%d(A%d)",parameter->parameter_offset,
						a_reg_num (parameter->parameter_data.reg.r));
			break;
		case P_IMMEDIATE:
			printf ("#%ld",parameter->parameter_data.i);
			break;
#ifdef M68000
		case P_POST_INCREMENT:
			printf ("(A%d)+",a_reg_num (parameter->parameter_data.reg.r));	
			break;
		case P_PRE_DECREMENT:
			printf ("-(A%d)",a_reg_num (parameter->parameter_data.reg.r));
			break;
#endif
		case P_F_REGISTER:
			printf ("FP%d",parameter->parameter_data.reg.r);
			break;
		case P_F_IMMEDIATE:
			printf ("#%g",*parameter->parameter_data.r);
			break;
		case P_INDEXED:
		{
			struct index_registers *index_registers;
			int offset;
			
			index_registers=parameter->parameter_data.ir;
			offset=parameter->parameter_offset;
			
			printf ("%d(a%d,d%d*%d)",offset>>2,a_reg_num (index_registers->a_reg.r),
				d_reg_num (index_registers->d_reg.r),1<<(offset & 3));
		}
	}
}

void show_instructions (struct instruction *instructions)
{
	while (instructions!=NULL){
		struct parameter *parameter;
		int n_parameters;

		if (instructions->instruction_icode<sizeof (i_instruction_names)/sizeof(char*))
			printf ("%s ",i_instruction_names[instructions->instruction_icode]);
		else
			printf ("?%d ",instructions->instruction_icode);
		
		n_parameters=instructions->instruction_arity;
		parameter=instructions->instruction_parameters;
		while (n_parameters>1){
			show_parameter (parameter);
			printf (",");
			++parameter;
			--n_parameters;
		}
		if (n_parameters==1)
			show_parameter (parameter);
		printf ("\n");
		
		instructions=instructions->instruction_next;
	}
}
#endif
