[qemu.git] / fpu / softfloat.h

/*============================================================================

This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
Package, Release 2b.

Written by John R. Hauser.  This work was made possible in part by the
International Computer Science Institute, located at Suite 600, 1947 Center
Street, Berkeley, California 94704.  Funding was partially provided by the
National Science Foundation under grant MIP-9311980.  The original version
of this code was written as part of a project to build a fixed-point vector
processor in collaboration with the University of California at Berkeley,
overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
arithmetic/SoftFloat.html'.

THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.

Derivative works are acceptable, even for commercial purposes, so long as
(1) the source code for the derivative work includes prominent notice that
the work is derivative, and (2) the source code includes prominent notice with
these four paragraphs for those parts of this code that are retained.

=============================================================================*/

#ifndef SOFTFLOAT_H
#define SOFTFLOAT_H

#include <inttypes.h>
#include "config.h"

/*----------------------------------------------------------------------------
| Each of the following `typedef's defines the most convenient type that holds
| integers of at least as many bits as specified.  For example, `uint8' should
| be the most convenient type that can hold unsigned integers of as many as
| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
| to the same as `int'.
*----------------------------------------------------------------------------*/
typedef uint8_t flag;
typedef uint8_t uint8;
typedef int8_t int8;
typedef int uint16;
typedef int int16;
typedef unsigned int uint32;
typedef signed int int32;
typedef uint64_t uint64;
typedef int64_t int64;

/*----------------------------------------------------------------------------
| Each of the following `typedef's defines a type that holds integers
| of _exactly_ the number of bits specified.  For instance, for most
| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
| `unsigned short int' and `signed short int' (or `short int'), respectively.
*----------------------------------------------------------------------------*/
typedef uint8_t bits8;
typedef int8_t sbits8;
typedef uint16_t bits16;
typedef int16_t sbits16;
typedef uint32_t bits32;
typedef int32_t sbits32;
typedef uint64_t bits64;
typedef int64_t sbits64;

#define LIT64( a ) a##LL
#define INLINE static inline

/*----------------------------------------------------------------------------
| The macro `FLOATX80' must be defined to enable the extended double-precision
| floating-point format `floatx80'.  If this macro is not defined, the
| `floatx80' type will not be defined, and none of the functions that either
| input or output the `floatx80' type will be defined.  The same applies to
| the `FLOAT128' macro and the quadruple-precision format `float128'.
*----------------------------------------------------------------------------*/
#ifdef CONFIG_SOFTFLOAT
/* bit exact soft float support */
#define FLOATX80
#define FLOAT128
#else
/* native float support */
#if (defined(__i386__) || defined(__x86_64__)) && !defined(_BSD)
#define FLOATX80
#endif
#endif /* !CONFIG_SOFTFLOAT */

#define STATUS_PARAM , float_status *status
#define STATUS(field) status->field
#define STATUS_VAR , status

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point ordering relations
*----------------------------------------------------------------------------*/
enum {
    float_relation_less      = -1,
    float_relation_equal     =  0,
    float_relation_greater   =  1,
    float_relation_unordered =  2
};

#ifdef CONFIG_SOFTFLOAT
/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point types.
*----------------------------------------------------------------------------*/
typedef uint32_t float32;
typedef uint64_t float64;
#ifdef FLOATX80
typedef struct {
    uint64_t low;
    uint16_t high;
} floatx80;
#endif
#ifdef FLOAT128
typedef struct {
#ifdef WORDS_BIGENDIAN
    uint64_t high, low;
#else
    uint64_t low, high;
#endif
} float128;
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point underflow tininess-detection mode.
*----------------------------------------------------------------------------*/
enum {
    float_tininess_after_rounding  = 0,
    float_tininess_before_rounding = 1
};

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point rounding mode.
*----------------------------------------------------------------------------*/
enum {
    float_round_nearest_even = 0,
    float_round_down         = 1,
    float_round_up           = 2,
    float_round_to_zero      = 3
};

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point exception flags.
*----------------------------------------------------------------------------*/
enum {
    float_flag_invalid   =  1,
    float_flag_divbyzero =  4,
    float_flag_overflow  =  8,
    float_flag_underflow = 16,
    float_flag_inexact   = 32
};

typedef struct float_status {
    signed char float_detect_tininess;
    signed char float_rounding_mode;
    signed char float_exception_flags;
#ifdef FLOATX80
    signed char floatx80_rounding_precision;
#endif
} float_status;

void set_float_rounding_mode(int val STATUS_PARAM);
void set_float_exception_flags(int val STATUS_PARAM);
INLINE int get_float_exception_flags(float_status *status)
{
    return STATUS(float_exception_flags);
}
#ifdef FLOATX80
void set_floatx80_rounding_precision(int val STATUS_PARAM);
#endif

/*----------------------------------------------------------------------------
| Routine to raise any or all of the software IEC/IEEE floating-point
| exception flags.
*----------------------------------------------------------------------------*/
void float_raise( int8 flags STATUS_PARAM);

/*----------------------------------------------------------------------------
| Software IEC/IEEE integer-to-floating-point conversion routines.
*----------------------------------------------------------------------------*/
float32 int32_to_float32( int STATUS_PARAM );
float64 int32_to_float64( int STATUS_PARAM );
float32 uint32_to_float32( unsigned int STATUS_PARAM );
float64 uint32_to_float64( unsigned int STATUS_PARAM );
#ifdef FLOATX80
floatx80 int32_to_floatx80( int STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 int32_to_float128( int STATUS_PARAM );
#endif
float32 int64_to_float32( int64_t STATUS_PARAM );
float64 int64_to_float64( int64_t STATUS_PARAM );
#ifdef FLOATX80
floatx80 int64_to_floatx80( int64_t STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 int64_to_float128( int64_t STATUS_PARAM );
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE single-precision conversion routines.
*----------------------------------------------------------------------------*/
int float32_to_int32( float32 STATUS_PARAM );
int float32_to_int32_round_to_zero( float32 STATUS_PARAM );
unsigned int float32_to_uint32( float32 STATUS_PARAM );
unsigned int float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
int64_t float32_to_int64( float32 STATUS_PARAM );
int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM );
float64 float32_to_float64( float32 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float32_to_floatx80( float32 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 float32_to_float128( float32 STATUS_PARAM );
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE single-precision operations.
*----------------------------------------------------------------------------*/
float32 float32_round_to_int( float32 STATUS_PARAM );
float32 float32_add( float32, float32 STATUS_PARAM );
float32 float32_sub( float32, float32 STATUS_PARAM );
float32 float32_mul( float32, float32 STATUS_PARAM );
float32 float32_div( float32, float32 STATUS_PARAM );
float32 float32_rem( float32, float32 STATUS_PARAM );
float32 float32_sqrt( float32 STATUS_PARAM );
int float32_eq( float32, float32 STATUS_PARAM );
int float32_le( float32, float32 STATUS_PARAM );
int float32_lt( float32, float32 STATUS_PARAM );
int float32_eq_signaling( float32, float32 STATUS_PARAM );
int float32_le_quiet( float32, float32 STATUS_PARAM );
int float32_lt_quiet( float32, float32 STATUS_PARAM );
int float32_compare( float32, float32 STATUS_PARAM );
int float32_compare_quiet( float32, float32 STATUS_PARAM );
int float32_is_signaling_nan( float32 );
int float64_is_nan( float64 a );

INLINE float32 float32_abs(float32 a)
{
    return a & 0x7fffffff;
}

INLINE float32 float32_chs(float32 a)
{
    return a ^ 0x80000000;
}

/*----------------------------------------------------------------------------
| Software IEC/IEEE double-precision conversion routines.
*----------------------------------------------------------------------------*/
int float64_to_int32( float64 STATUS_PARAM );
int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
unsigned int float64_to_uint32( float64 STATUS_PARAM );
unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
int64_t float64_to_int64( float64 STATUS_PARAM );
int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
float32 float64_to_float32( float64 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float64_to_floatx80( float64 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 float64_to_float128( float64 STATUS_PARAM );
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE double-precision operations.
*----------------------------------------------------------------------------*/
float64 float64_round_to_int( float64 STATUS_PARAM );
float64 float64_trunc_to_int( float64 STATUS_PARAM );
float64 float64_add( float64, float64 STATUS_PARAM );
float64 float64_sub( float64, float64 STATUS_PARAM );
float64 float64_mul( float64, float64 STATUS_PARAM );
float64 float64_div( float64, float64 STATUS_PARAM );
float64 float64_rem( float64, float64 STATUS_PARAM );
float64 float64_sqrt( float64 STATUS_PARAM );
int float64_eq( float64, float64 STATUS_PARAM );
int float64_le( float64, float64 STATUS_PARAM );
int float64_lt( float64, float64 STATUS_PARAM );
int float64_eq_signaling( float64, float64 STATUS_PARAM );
int float64_le_quiet( float64, float64 STATUS_PARAM );
int float64_lt_quiet( float64, float64 STATUS_PARAM );
int float64_compare( float64, float64 STATUS_PARAM );
int float64_compare_quiet( float64, float64 STATUS_PARAM );
int float64_is_signaling_nan( float64 );

INLINE float64 float64_abs(float64 a)
{
    return a & 0x7fffffffffffffffLL;
}

INLINE float64 float64_chs(float64 a)
{
    return a ^ 0x8000000000000000LL;
}

#ifdef FLOATX80

/*----------------------------------------------------------------------------
| Software IEC/IEEE extended double-precision conversion routines.
*----------------------------------------------------------------------------*/
int floatx80_to_int32( floatx80 STATUS_PARAM );
int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
int64_t floatx80_to_int64( floatx80 STATUS_PARAM );
int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
float32 floatx80_to_float32( floatx80 STATUS_PARAM );
float64 floatx80_to_float64( floatx80 STATUS_PARAM );
#ifdef FLOAT128
float128 floatx80_to_float128( floatx80 STATUS_PARAM );
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE extended double-precision operations.
*----------------------------------------------------------------------------*/
floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
int floatx80_eq( floatx80, floatx80 STATUS_PARAM );
int floatx80_le( floatx80, floatx80 STATUS_PARAM );
int floatx80_lt( floatx80, floatx80 STATUS_PARAM );
int floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
int floatx80_is_signaling_nan( floatx80 );

INLINE floatx80 floatx80_abs(floatx80 a)
{
    a.high &= 0x7fff;
    return a;
}

INLINE floatx80 floatx80_chs(floatx80 a)
{
    a.high ^= 0x8000;
    return a;
}

#endif

#ifdef FLOAT128

/*----------------------------------------------------------------------------
| Software IEC/IEEE quadruple-precision conversion routines.
*----------------------------------------------------------------------------*/
int float128_to_int32( float128 STATUS_PARAM );
int float128_to_int32_round_to_zero( float128 STATUS_PARAM );
int64_t float128_to_int64( float128 STATUS_PARAM );
int64_t float128_to_int64_round_to_zero( float128 STATUS_PARAM );
float32 float128_to_float32( float128 STATUS_PARAM );
float64 float128_to_float64( float128 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float128_to_floatx80( float128 STATUS_PARAM );
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE quadruple-precision operations.
*----------------------------------------------------------------------------*/
float128 float128_round_to_int( float128 STATUS_PARAM );
float128 float128_add( float128, float128 STATUS_PARAM );
float128 float128_sub( float128, float128 STATUS_PARAM );
float128 float128_mul( float128, float128 STATUS_PARAM );
float128 float128_div( float128, float128 STATUS_PARAM );
float128 float128_rem( float128, float128 STATUS_PARAM );
float128 float128_sqrt( float128 STATUS_PARAM );
int float128_eq( float128, float128 STATUS_PARAM );
int float128_le( float128, float128 STATUS_PARAM );
int float128_lt( float128, float128 STATUS_PARAM );
int float128_eq_signaling( float128, float128 STATUS_PARAM );
int float128_le_quiet( float128, float128 STATUS_PARAM );
int float128_lt_quiet( float128, float128 STATUS_PARAM );
int float128_is_signaling_nan( float128 );

INLINE float128 float128_abs(float128 a)
{
    a.high &= 0x7fffffffffffffffLL;
    return a;
}

INLINE float128 float128_chs(float128 a)
{
    a.high ^= 0x8000000000000000LL;
    return a;
}

#endif

#else /* CONFIG_SOFTFLOAT */

#include "softfloat-native.h"

#endif /* !CONFIG_SOFTFLOAT */

#endif /* !SOFTFLOAT_H */
Commit	Line	Data
158142c2 FB	1	/*============================================================================
	2
	3	This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
	4	Package, Release 2b.
	5
	6	Written by John R. Hauser. This work was made possible in part by the
	7	International Computer Science Institute, located at Suite 600, 1947 Center
	8	Street, Berkeley, California 94704. Funding was partially provided by the
	9	National Science Foundation under grant MIP-9311980. The original version
	10	of this code was written as part of a project to build a fixed-point vector
	11	processor in collaboration with the University of California at Berkeley,
	12	overseen by Profs. Nelson Morgan and John Wawrzynek. More information
	13	is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
	14	arithmetic/SoftFloat.html'.
	15
	16	THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
	17	been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
	18	RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
	19	AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
	20	COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
	21	EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
	22	INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
	23	OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
	24
	25	Derivative works are acceptable, even for commercial purposes, so long as
	26	(1) the source code for the derivative work includes prominent notice that
	27	the work is derivative, and (2) the source code includes prominent notice with
	28	these four paragraphs for those parts of this code that are retained.
	29
	30	=============================================================================*/
	31
	32	#ifndef SOFTFLOAT_H
	33	#define SOFTFLOAT_H
	34
	35	#include <inttypes.h>
	36	#include "config.h"
	37
	38	/*----------------------------------------------------------------------------
	39	\| Each of the following `typedef's defines the most convenient type that holds
	40	\| integers of at least as many bits as specified. For example, `uint8' should
	41	\| be the most convenient type that can hold unsigned integers of as many as
	42	\| 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
	43	\| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
	44	\| to the same as `int'.
	45	----------------------------------------------------------------------------/
750afe93	46	typedef uint8_t flag;
158142c2 FB	47	typedef uint8_t uint8;
	48	typedef int8_t int8;
	49	typedef int uint16;
	50	typedef int int16;
	51	typedef unsigned int uint32;
	52	typedef signed int int32;
	53	typedef uint64_t uint64;
	54	typedef int64_t int64;
	55
	56	/*----------------------------------------------------------------------------
	57	\| Each of the following `typedef's defines a type that holds integers
	58	\| of _exactly_ the number of bits specified. For instance, for most
	59	\| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
	60	\| `unsigned short int' and `signed short int' (or `short int'), respectively.
	61	----------------------------------------------------------------------------/
	62	typedef uint8_t bits8;
	63	typedef int8_t sbits8;
	64	typedef uint16_t bits16;
	65	typedef int16_t sbits16;
	66	typedef uint32_t bits32;
	67	typedef int32_t sbits32;
	68	typedef uint64_t bits64;
	69	typedef int64_t sbits64;
	70
	71	#define LIT64( a ) a##LL
	72	#define INLINE static inline
	73
	74	/*----------------------------------------------------------------------------
	75	\| The macro `FLOATX80' must be defined to enable the extended double-precision
	76	\| floating-point format `floatx80'. If this macro is not defined, the
	77	\| `floatx80' type will not be defined, and none of the functions that either
	78	\| input or output the `floatx80' type will be defined. The same applies to
	79	\| the `FLOAT128' macro and the quadruple-precision format `float128'.
	80	----------------------------------------------------------------------------/
	81	#ifdef CONFIG_SOFTFLOAT
	82	/* bit exact soft float support */
	83	#define FLOATX80
	84	#define FLOAT128
	85	#else
	86	/* native float support */
	87	#if (defined(__i386__) \|\| defined(__x86_64__)) && !defined(_BSD)
	88	#define FLOATX80
	89	#endif
	90	#endif /* !CONFIG_SOFTFLOAT */
	91
	92	#define STATUS_PARAM , float_status *status
	93	#define STATUS(field) status->field
	94	#define STATUS_VAR , status
	95
1d6bda35 FB	96	/*----------------------------------------------------------------------------
	97	\| Software IEC/IEEE floating-point ordering relations
	98	----------------------------------------------------------------------------/
	99	enum {
	100	float_relation_less = -1,
	101	float_relation_equal = 0,
	102	float_relation_greater = 1,
	103	float_relation_unordered = 2
	104	};
	105
158142c2 FB	106	#ifdef CONFIG_SOFTFLOAT
	107	/*----------------------------------------------------------------------------
	108	\| Software IEC/IEEE floating-point types.
	109	----------------------------------------------------------------------------/
	110	typedef uint32_t float32;
	111	typedef uint64_t float64;
	112	#ifdef FLOATX80
	113	typedef struct {
	114	uint64_t low;
	115	uint16_t high;
	116	} floatx80;
	117	#endif
	118	#ifdef FLOAT128
	119	typedef struct {
	120	#ifdef WORDS_BIGENDIAN
	121	uint64_t high, low;
	122	#else
	123	uint64_t low, high;
	124	#endif
	125	} float128;
	126	#endif
	127
	128	/*----------------------------------------------------------------------------
	129	\| Software IEC/IEEE floating-point underflow tininess-detection mode.
	130	----------------------------------------------------------------------------/
	131	enum {
	132	float_tininess_after_rounding = 0,
	133	float_tininess_before_rounding = 1
	134	};
	135
	136	/*----------------------------------------------------------------------------
	137	\| Software IEC/IEEE floating-point rounding mode.
	138	----------------------------------------------------------------------------/
	139	enum {
	140	float_round_nearest_even = 0,
	141	float_round_down = 1,
	142	float_round_up = 2,
	143	float_round_to_zero = 3
	144	};
	145
	146	/*----------------------------------------------------------------------------
	147	\| Software IEC/IEEE floating-point exception flags.
	148	----------------------------------------------------------------------------/
	149	enum {
	150	float_flag_invalid = 1,
	151	float_flag_divbyzero = 4,
	152	float_flag_overflow = 8,
	153	float_flag_underflow = 16,
	154	float_flag_inexact = 32
	155	};
	156
	157	typedef struct float_status {
	158	signed char float_detect_tininess;
	159	signed char float_rounding_mode;
	160	signed char float_exception_flags;
	161	#ifdef FLOATX80
	162	signed char floatx80_rounding_precision;
	163	#endif
	164	} float_status;
	165
	166	void set_float_rounding_mode(int val STATUS_PARAM);
1d6bda35 FB	167	void set_float_exception_flags(int val STATUS_PARAM);
	168	INLINE int get_float_exception_flags(float_status *status)
	169	{
	170	return STATUS(float_exception_flags);
	171	}
158142c2 FB	172	#ifdef FLOATX80
	173	void set_floatx80_rounding_precision(int val STATUS_PARAM);
	174	#endif
	175
	176	/*----------------------------------------------------------------------------
	177	\| Routine to raise any or all of the software IEC/IEEE floating-point
	178	\| exception flags.
	179	----------------------------------------------------------------------------/
ec530c81	180	void float_raise( int8 flags STATUS_PARAM);
158142c2 FB	181
	182	/*----------------------------------------------------------------------------
	183	\| Software IEC/IEEE integer-to-floating-point conversion routines.
	184	----------------------------------------------------------------------------/
	185	float32 int32_to_float32( int STATUS_PARAM );
	186	float64 int32_to_float64( int STATUS_PARAM );
1d6bda35 FB	187	float32 uint32_to_float32( unsigned int STATUS_PARAM );
1d6bda35 FB	188	float64 uint32_to_float64( unsigned int STATUS_PARAM );
158142c2 FB	189	#ifdef FLOATX80
	190	floatx80 int32_to_floatx80( int STATUS_PARAM );
	191	#endif
	192	#ifdef FLOAT128
	193	float128 int32_to_float128( int STATUS_PARAM );
	194	#endif
	195	float32 int64_to_float32( int64_t STATUS_PARAM );
	196	float64 int64_to_float64( int64_t STATUS_PARAM );
	197	#ifdef FLOATX80
	198	floatx80 int64_to_floatx80( int64_t STATUS_PARAM );
	199	#endif
	200	#ifdef FLOAT128
	201	float128 int64_to_float128( int64_t STATUS_PARAM );
	202	#endif
	203
	204	/*----------------------------------------------------------------------------
	205	\| Software IEC/IEEE single-precision conversion routines.
	206	----------------------------------------------------------------------------/
	207	int float32_to_int32( float32 STATUS_PARAM );
	208	int float32_to_int32_round_to_zero( float32 STATUS_PARAM );
1d6bda35 FB	209	unsigned int float32_to_uint32( float32 STATUS_PARAM );
1d6bda35 FB	210	unsigned int float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
158142c2 FB	211	int64_t float32_to_int64( float32 STATUS_PARAM );
	212	int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM );
	213	float64 float32_to_float64( float32 STATUS_PARAM );
	214	#ifdef FLOATX80
	215	floatx80 float32_to_floatx80( float32 STATUS_PARAM );
	216	#endif
	217	#ifdef FLOAT128
	218	float128 float32_to_float128( float32 STATUS_PARAM );
	219	#endif
	220
	221	/*----------------------------------------------------------------------------
	222	\| Software IEC/IEEE single-precision operations.
	223	----------------------------------------------------------------------------/
	224	float32 float32_round_to_int( float32 STATUS_PARAM );
	225	float32 float32_add( float32, float32 STATUS_PARAM );
	226	float32 float32_sub( float32, float32 STATUS_PARAM );
	227	float32 float32_mul( float32, float32 STATUS_PARAM );
	228	float32 float32_div( float32, float32 STATUS_PARAM );
	229	float32 float32_rem( float32, float32 STATUS_PARAM );
	230	float32 float32_sqrt( float32 STATUS_PARAM );
750afe93 FB	231	int float32_eq( float32, float32 STATUS_PARAM );
	232	int float32_le( float32, float32 STATUS_PARAM );
	233	int float32_lt( float32, float32 STATUS_PARAM );
	234	int float32_eq_signaling( float32, float32 STATUS_PARAM );
	235	int float32_le_quiet( float32, float32 STATUS_PARAM );
	236	int float32_lt_quiet( float32, float32 STATUS_PARAM );
	237	int float32_compare( float32, float32 STATUS_PARAM );
	238	int float32_compare_quiet( float32, float32 STATUS_PARAM );
	239	int float32_is_signaling_nan( float32 );
	240	int float64_is_nan( float64 a );
158142c2	241
1d6bda35 FB	242	INLINE float32 float32_abs(float32 a)
	243	{
	244	return a & 0x7fffffff;
	245	}
	246
	247	INLINE float32 float32_chs(float32 a)
	248	{
	249	return a ^ 0x80000000;
	250	}
	251
158142c2 FB	252	/*----------------------------------------------------------------------------
	253	\| Software IEC/IEEE double-precision conversion routines.
	254	----------------------------------------------------------------------------/
	255	int float64_to_int32( float64 STATUS_PARAM );
	256	int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
1d6bda35 FB	257	unsigned int float64_to_uint32( float64 STATUS_PARAM );
1d6bda35 FB	258	unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
158142c2 FB	259	int64_t float64_to_int64( float64 STATUS_PARAM );
	260	int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
	261	float32 float64_to_float32( float64 STATUS_PARAM );
	262	#ifdef FLOATX80
	263	floatx80 float64_to_floatx80( float64 STATUS_PARAM );
	264	#endif
	265	#ifdef FLOAT128
	266	float128 float64_to_float128( float64 STATUS_PARAM );
	267	#endif
	268
	269	/*----------------------------------------------------------------------------
	270	\| Software IEC/IEEE double-precision operations.
	271	----------------------------------------------------------------------------/
	272	float64 float64_round_to_int( float64 STATUS_PARAM );
e6e5906b	273	float64 float64_trunc_to_int( float64 STATUS_PARAM );
158142c2 FB	274	float64 float64_add( float64, float64 STATUS_PARAM );
	275	float64 float64_sub( float64, float64 STATUS_PARAM );
	276	float64 float64_mul( float64, float64 STATUS_PARAM );
	277	float64 float64_div( float64, float64 STATUS_PARAM );
	278	float64 float64_rem( float64, float64 STATUS_PARAM );
	279	float64 float64_sqrt( float64 STATUS_PARAM );
750afe93 FB	280	int float64_eq( float64, float64 STATUS_PARAM );
	281	int float64_le( float64, float64 STATUS_PARAM );
	282	int float64_lt( float64, float64 STATUS_PARAM );
	283	int float64_eq_signaling( float64, float64 STATUS_PARAM );
	284	int float64_le_quiet( float64, float64 STATUS_PARAM );
	285	int float64_lt_quiet( float64, float64 STATUS_PARAM );
	286	int float64_compare( float64, float64 STATUS_PARAM );
	287	int float64_compare_quiet( float64, float64 STATUS_PARAM );
	288	int float64_is_signaling_nan( float64 );
158142c2	289
1d6bda35 FB	290	INLINE float64 float64_abs(float64 a)
	291	{
	292	return a & 0x7fffffffffffffffLL;
	293	}
	294
	295	INLINE float64 float64_chs(float64 a)
	296	{
	297	return a ^ 0x8000000000000000LL;
	298	}
	299
158142c2 FB	300	#ifdef FLOATX80
	301
	302	/*----------------------------------------------------------------------------
	303	\| Software IEC/IEEE extended double-precision conversion routines.
	304	----------------------------------------------------------------------------/
	305	int floatx80_to_int32( floatx80 STATUS_PARAM );
	306	int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
	307	int64_t floatx80_to_int64( floatx80 STATUS_PARAM );
	308	int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
	309	float32 floatx80_to_float32( floatx80 STATUS_PARAM );
	310	float64 floatx80_to_float64( floatx80 STATUS_PARAM );
	311	#ifdef FLOAT128
	312	float128 floatx80_to_float128( floatx80 STATUS_PARAM );
	313	#endif
	314
	315	/*----------------------------------------------------------------------------
	316	\| Software IEC/IEEE extended double-precision operations.
	317	----------------------------------------------------------------------------/
	318	floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
	319	floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
	320	floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
	321	floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
	322	floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
	323	floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
	324	floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
750afe93 FB	325	int floatx80_eq( floatx80, floatx80 STATUS_PARAM );
	326	int floatx80_le( floatx80, floatx80 STATUS_PARAM );
	327	int floatx80_lt( floatx80, floatx80 STATUS_PARAM );
	328	int floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
	329	int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
	330	int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
	331	int floatx80_is_signaling_nan( floatx80 );
158142c2	332
1d6bda35 FB	333	INLINE floatx80 floatx80_abs(floatx80 a)
	334	{
	335	a.high &= 0x7fff;
	336	return a;
	337	}
	338
	339	INLINE floatx80 floatx80_chs(floatx80 a)
	340	{
	341	a.high ^= 0x8000;
	342	return a;
	343	}
	344
158142c2 FB	345	#endif
	346
	347	#ifdef FLOAT128
	348
	349	/*----------------------------------------------------------------------------
	350	\| Software IEC/IEEE quadruple-precision conversion routines.
	351	----------------------------------------------------------------------------/
	352	int float128_to_int32( float128 STATUS_PARAM );
	353	int float128_to_int32_round_to_zero( float128 STATUS_PARAM );
	354	int64_t float128_to_int64( float128 STATUS_PARAM );
	355	int64_t float128_to_int64_round_to_zero( float128 STATUS_PARAM );
	356	float32 float128_to_float32( float128 STATUS_PARAM );
	357	float64 float128_to_float64( float128 STATUS_PARAM );
	358	#ifdef FLOATX80
	359	floatx80 float128_to_floatx80( float128 STATUS_PARAM );
	360	#endif
	361
	362	/*----------------------------------------------------------------------------
	363	\| Software IEC/IEEE quadruple-precision operations.
	364	----------------------------------------------------------------------------/
	365	float128 float128_round_to_int( float128 STATUS_PARAM );
	366	float128 float128_add( float128, float128 STATUS_PARAM );
	367	float128 float128_sub( float128, float128 STATUS_PARAM );
	368	float128 float128_mul( float128, float128 STATUS_PARAM );
	369	float128 float128_div( float128, float128 STATUS_PARAM );
	370	float128 float128_rem( float128, float128 STATUS_PARAM );
	371	float128 float128_sqrt( float128 STATUS_PARAM );
750afe93 FB	372	int float128_eq( float128, float128 STATUS_PARAM );
	373	int float128_le( float128, float128 STATUS_PARAM );
	374	int float128_lt( float128, float128 STATUS_PARAM );
	375	int float128_eq_signaling( float128, float128 STATUS_PARAM );
	376	int float128_le_quiet( float128, float128 STATUS_PARAM );
	377	int float128_lt_quiet( float128, float128 STATUS_PARAM );
	378	int float128_is_signaling_nan( float128 );
158142c2	379
1d6bda35 FB	380	INLINE float128 float128_abs(float128 a)
	381	{
	382	a.high &= 0x7fffffffffffffffLL;
	383	return a;
	384	}
	385
	386	INLINE float128 float128_chs(float128 a)
	387	{
	388	a.high ^= 0x8000000000000000LL;
	389	return a;
	390	}
	391
158142c2 FB	392	#endif
	393
	394	#else /* CONFIG_SOFTFLOAT */
	395
	396	#include "softfloat-native.h"
	397
	398	#endif /* !CONFIG_SOFTFLOAT */
	399
	400	#endif /* !SOFTFLOAT_H */