[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 char 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

#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);
#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( signed char 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 );
#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 );
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 );
char float32_eq( float32, float32 STATUS_PARAM );
char float32_le( float32, float32 STATUS_PARAM );
char float32_lt( float32, float32 STATUS_PARAM );
char float32_eq_signaling( float32, float32 STATUS_PARAM );
char float32_le_quiet( float32, float32 STATUS_PARAM );
char float32_lt_quiet( float32, float32 STATUS_PARAM );
char float32_is_signaling_nan( float32 );

/*----------------------------------------------------------------------------
| Software IEC/IEEE double-precision conversion routines.
*----------------------------------------------------------------------------*/
int float64_to_int32( float64 STATUS_PARAM );
int float64_to_int32_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_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 );
char float64_eq( float64, float64 STATUS_PARAM );
char float64_le( float64, float64 STATUS_PARAM );
char float64_lt( float64, float64 STATUS_PARAM );
char float64_eq_signaling( float64, float64 STATUS_PARAM );
char float64_le_quiet( float64, float64 STATUS_PARAM );
char float64_lt_quiet( float64, float64 STATUS_PARAM );
char float64_is_signaling_nan( float64 );

#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 );
char floatx80_eq( floatx80, floatx80 STATUS_PARAM );
char floatx80_le( floatx80, floatx80 STATUS_PARAM );
char floatx80_lt( floatx80, floatx80 STATUS_PARAM );
char floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
char floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
char floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
char floatx80_is_signaling_nan( floatx80 );

#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 );
char float128_eq( float128, float128 STATUS_PARAM );
char float128_le( float128, float128 STATUS_PARAM );
char float128_lt( float128, float128 STATUS_PARAM );
char float128_eq_signaling( float128, float128 STATUS_PARAM );
char float128_le_quiet( float128, float128 STATUS_PARAM );
char float128_lt_quiet( float128, float128 STATUS_PARAM );
char float128_is_signaling_nan( float128 );

#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	----------------------------------------------------------------------------/
	46	typedef char flag;
	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
96	#ifdef CONFIG_SOFTFLOAT
97	/*----------------------------------------------------------------------------
98	\| Software IEC/IEEE floating-point types.
99	----------------------------------------------------------------------------/
100	typedef uint32_t float32;
101	typedef uint64_t float64;
102	#ifdef FLOATX80
103	typedef struct {
104	uint64_t low;
105	uint16_t high;
106	} floatx80;
107	#endif
108	#ifdef FLOAT128
109	typedef struct {
110	#ifdef WORDS_BIGENDIAN
111	uint64_t high, low;
112	#else
113	uint64_t low, high;
114	#endif
115	} float128;
116	#endif
117
118	/*----------------------------------------------------------------------------
119	\| Software IEC/IEEE floating-point underflow tininess-detection mode.
120	----------------------------------------------------------------------------/
121	enum {
122	float_tininess_after_rounding = 0,
123	float_tininess_before_rounding = 1
124	};
125
126	/*----------------------------------------------------------------------------
127	\| Software IEC/IEEE floating-point rounding mode.
128	----------------------------------------------------------------------------/
129	enum {
130	float_round_nearest_even = 0,
131	float_round_down = 1,
132	float_round_up = 2,
133	float_round_to_zero = 3
134	};
135
136	/*----------------------------------------------------------------------------
137	\| Software IEC/IEEE floating-point exception flags.
138	----------------------------------------------------------------------------/
139	enum {
140	float_flag_invalid = 1,
141	float_flag_divbyzero = 4,
142	float_flag_overflow = 8,
143	float_flag_underflow = 16,
144	float_flag_inexact = 32
145	};
146
147	typedef struct float_status {
148	signed char float_detect_tininess;
149	signed char float_rounding_mode;
150	signed char float_exception_flags;
151	#ifdef FLOATX80
152	signed char floatx80_rounding_precision;
153	#endif
154	} float_status;
155
156	void set_float_rounding_mode(int val STATUS_PARAM);
157	#ifdef FLOATX80
158	void set_floatx80_rounding_precision(int val STATUS_PARAM);
159	#endif
160
161	/*----------------------------------------------------------------------------
162	\| Routine to raise any or all of the software IEC/IEEE floating-point
163	\| exception flags.
164	----------------------------------------------------------------------------/
165	void float_raise( signed char STATUS_PARAM);
166
167	/*----------------------------------------------------------------------------
168	\| Software IEC/IEEE integer-to-floating-point conversion routines.
169	----------------------------------------------------------------------------/
170	float32 int32_to_float32( int STATUS_PARAM );
171	float64 int32_to_float64( int STATUS_PARAM );
172	#ifdef FLOATX80
173	floatx80 int32_to_floatx80( int STATUS_PARAM );
174	#endif
175	#ifdef FLOAT128
176	float128 int32_to_float128( int STATUS_PARAM );
177	#endif
178	float32 int64_to_float32( int64_t STATUS_PARAM );
179	float64 int64_to_float64( int64_t STATUS_PARAM );
180	#ifdef FLOATX80
181	floatx80 int64_to_floatx80( int64_t STATUS_PARAM );
182	#endif
183	#ifdef FLOAT128
184	float128 int64_to_float128( int64_t STATUS_PARAM );
185	#endif
186
187	/*----------------------------------------------------------------------------
188	\| Software IEC/IEEE single-precision conversion routines.
189	----------------------------------------------------------------------------/
190	int float32_to_int32( float32 STATUS_PARAM );
191	int float32_to_int32_round_to_zero( float32 STATUS_PARAM );
192	int64_t float32_to_int64( float32 STATUS_PARAM );
193	int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM );
194	float64 float32_to_float64( float32 STATUS_PARAM );
195	#ifdef FLOATX80
196	floatx80 float32_to_floatx80( float32 STATUS_PARAM );
197	#endif
198	#ifdef FLOAT128
199	float128 float32_to_float128( float32 STATUS_PARAM );
200	#endif
201
202	/*----------------------------------------------------------------------------
203	\| Software IEC/IEEE single-precision operations.
204	----------------------------------------------------------------------------/
205	float32 float32_round_to_int( float32 STATUS_PARAM );
206	float32 float32_add( float32, float32 STATUS_PARAM );
207	float32 float32_sub( float32, float32 STATUS_PARAM );
208	float32 float32_mul( float32, float32 STATUS_PARAM );
209	float32 float32_div( float32, float32 STATUS_PARAM );
210	float32 float32_rem( float32, float32 STATUS_PARAM );
211	float32 float32_sqrt( float32 STATUS_PARAM );
212	char float32_eq( float32, float32 STATUS_PARAM );
213	char float32_le( float32, float32 STATUS_PARAM );
214	char float32_lt( float32, float32 STATUS_PARAM );
215	char float32_eq_signaling( float32, float32 STATUS_PARAM );
216	char float32_le_quiet( float32, float32 STATUS_PARAM );
217	char float32_lt_quiet( float32, float32 STATUS_PARAM );
218	char float32_is_signaling_nan( float32 );
219
220	/*----------------------------------------------------------------------------
221	\| Software IEC/IEEE double-precision conversion routines.
222	----------------------------------------------------------------------------/
223	int float64_to_int32( float64 STATUS_PARAM );
224	int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
225	int64_t float64_to_int64( float64 STATUS_PARAM );
226	int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
227	float32 float64_to_float32( float64 STATUS_PARAM );
228	#ifdef FLOATX80
229	floatx80 float64_to_floatx80( float64 STATUS_PARAM );
230	#endif
231	#ifdef FLOAT128
232	float128 float64_to_float128( float64 STATUS_PARAM );
233	#endif
234
235	/*----------------------------------------------------------------------------
236	\| Software IEC/IEEE double-precision operations.
237	----------------------------------------------------------------------------/
238	float64 float64_round_to_int( float64 STATUS_PARAM );
239	float64 float64_add( float64, float64 STATUS_PARAM );
240	float64 float64_sub( float64, float64 STATUS_PARAM );
241	float64 float64_mul( float64, float64 STATUS_PARAM );
242	float64 float64_div( float64, float64 STATUS_PARAM );
243	float64 float64_rem( float64, float64 STATUS_PARAM );
244	float64 float64_sqrt( float64 STATUS_PARAM );
245	char float64_eq( float64, float64 STATUS_PARAM );
246	char float64_le( float64, float64 STATUS_PARAM );
247	char float64_lt( float64, float64 STATUS_PARAM );
248	char float64_eq_signaling( float64, float64 STATUS_PARAM );
249	char float64_le_quiet( float64, float64 STATUS_PARAM );
250	char float64_lt_quiet( float64, float64 STATUS_PARAM );
251	char float64_is_signaling_nan( float64 );
252
253	#ifdef FLOATX80
254
255	/*----------------------------------------------------------------------------
256	\| Software IEC/IEEE extended double-precision conversion routines.
257	----------------------------------------------------------------------------/
258	int floatx80_to_int32( floatx80 STATUS_PARAM );
259	int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
260	int64_t floatx80_to_int64( floatx80 STATUS_PARAM );
261	int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
262	float32 floatx80_to_float32( floatx80 STATUS_PARAM );
263	float64 floatx80_to_float64( floatx80 STATUS_PARAM );
264	#ifdef FLOAT128
265	float128 floatx80_to_float128( floatx80 STATUS_PARAM );
266	#endif
267
268	/*----------------------------------------------------------------------------
269	\| Software IEC/IEEE extended double-precision operations.
270	----------------------------------------------------------------------------/
271	floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
272	floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
273	floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
274	floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
275	floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
276	floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
277	floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
278	char floatx80_eq( floatx80, floatx80 STATUS_PARAM );
279	char floatx80_le( floatx80, floatx80 STATUS_PARAM );
280	char floatx80_lt( floatx80, floatx80 STATUS_PARAM );
281	char floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
282	char floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
283	char floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
284	char floatx80_is_signaling_nan( floatx80 );
285
286	#endif
287
288	#ifdef FLOAT128
289
290	/*----------------------------------------------------------------------------
291	\| Software IEC/IEEE quadruple-precision conversion routines.
292	----------------------------------------------------------------------------/
293	int float128_to_int32( float128 STATUS_PARAM );
294	int float128_to_int32_round_to_zero( float128 STATUS_PARAM );
295	int64_t float128_to_int64( float128 STATUS_PARAM );
296	int64_t float128_to_int64_round_to_zero( float128 STATUS_PARAM );
297	float32 float128_to_float32( float128 STATUS_PARAM );
298	float64 float128_to_float64( float128 STATUS_PARAM );
299	#ifdef FLOATX80
300	floatx80 float128_to_floatx80( float128 STATUS_PARAM );
301	#endif
302
303	/*----------------------------------------------------------------------------
304	\| Software IEC/IEEE quadruple-precision operations.
305	----------------------------------------------------------------------------/
306	float128 float128_round_to_int( float128 STATUS_PARAM );
307	float128 float128_add( float128, float128 STATUS_PARAM );
308	float128 float128_sub( float128, float128 STATUS_PARAM );
309	float128 float128_mul( float128, float128 STATUS_PARAM );
310	float128 float128_div( float128, float128 STATUS_PARAM );
311	float128 float128_rem( float128, float128 STATUS_PARAM );
312	float128 float128_sqrt( float128 STATUS_PARAM );
313	char float128_eq( float128, float128 STATUS_PARAM );
314	char float128_le( float128, float128 STATUS_PARAM );
315	char float128_lt( float128, float128 STATUS_PARAM );
316	char float128_eq_signaling( float128, float128 STATUS_PARAM );
317	char float128_le_quiet( float128, float128 STATUS_PARAM );
318	char float128_lt_quiet( float128, float128 STATUS_PARAM );
319	char float128_is_signaling_nan( float128 );
320
321	#endif
322
323	#else /* CONFIG_SOFTFLOAT */
324
325	#include "softfloat-native.h"
326
327	#endif /* !CONFIG_SOFTFLOAT */
328
329	#endif /* !SOFTFLOAT_H */