[thirdparty/glibc.git] / soft-fp / double.h

/* Software floating-point emulation.
   Definitions for IEEE Double Precision
   Copyright (C) 1997-2013 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Richard Henderson (rth@cygnus.com),
		  Jakub Jelinek (jj@ultra.linux.cz),
		  David S. Miller (davem@redhat.com) and
		  Peter Maydell (pmaydell@chiark.greenend.org.uk).

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   In addition to the permissions in the GNU Lesser General Public
   License, the Free Software Foundation gives you unlimited
   permission to link the compiled version of this file into
   combinations with other programs, and to distribute those
   combinations without any restriction coming from the use of this
   file.  (The Lesser General Public License restrictions do apply in
   other respects; for example, they cover modification of the file,
   and distribution when not linked into a combine executable.)

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#if _FP_W_TYPE_SIZE < 32
#error "Here's a nickel kid.  Go buy yourself a real computer."
#endif

#if _FP_W_TYPE_SIZE < 64
#define _FP_FRACTBITS_D		(2 * _FP_W_TYPE_SIZE)
#define _FP_FRACTBITS_DW_D	(4 * _FP_W_TYPE_SIZE)
#else
#define _FP_FRACTBITS_D		_FP_W_TYPE_SIZE
#define _FP_FRACTBITS_DW_D	(2 * _FP_W_TYPE_SIZE)
#endif

#define _FP_FRACBITS_D		53
#define _FP_FRACXBITS_D		(_FP_FRACTBITS_D - _FP_FRACBITS_D)
#define _FP_WFRACBITS_D		(_FP_WORKBITS + _FP_FRACBITS_D)
#define _FP_WFRACXBITS_D	(_FP_FRACTBITS_D - _FP_WFRACBITS_D)
#define _FP_EXPBITS_D		11
#define _FP_EXPBIAS_D		1023
#define _FP_EXPMAX_D		2047

#define _FP_QNANBIT_D		\
	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
#define _FP_QNANBIT_SH_D		\
	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
#define _FP_IMPLBIT_D		\
	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
#define _FP_IMPLBIT_SH_D		\
	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
#define _FP_OVERFLOW_D		\
	((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)

#define _FP_WFRACBITS_DW_D	(2 * _FP_WFRACBITS_D)
#define _FP_WFRACXBITS_DW_D	(_FP_FRACTBITS_DW_D - _FP_WFRACBITS_DW_D)
#define _FP_HIGHBIT_DW_D	\
  ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_D - 1) % _FP_W_TYPE_SIZE)

typedef float DFtype __attribute__((mode(DF)));

#if _FP_W_TYPE_SIZE < 64

union _FP_UNION_D
{
  DFtype flt;
  struct _FP_STRUCT_LAYOUT {
#if __BYTE_ORDER == __BIG_ENDIAN
    unsigned sign  : 1;
    unsigned exp   : _FP_EXPBITS_D;
    unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
    unsigned frac0 : _FP_W_TYPE_SIZE;
#else
    unsigned frac0 : _FP_W_TYPE_SIZE;
    unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
    unsigned exp   : _FP_EXPBITS_D;
    unsigned sign  : 1;
#endif
  } bits __attribute__((packed));
};

#define FP_DECL_D(X)		_FP_DECL(2,X)
#define FP_UNPACK_RAW_D(X,val)	_FP_UNPACK_RAW_2(D,X,val)
#define FP_UNPACK_RAW_DP(X,val)	_FP_UNPACK_RAW_2_P(D,X,val)
#define FP_PACK_RAW_D(val,X)	_FP_PACK_RAW_2(D,val,X)
#define FP_PACK_RAW_DP(val,X)		\
  do {					\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_2_P(D,val,X);	\
  } while (0)

#define FP_UNPACK_D(X,val)		\
  do {					\
    _FP_UNPACK_RAW_2(D,X,val);		\
    _FP_UNPACK_CANONICAL(D,2,X);	\
  } while (0)

#define FP_UNPACK_DP(X,val)		\
  do {					\
    _FP_UNPACK_RAW_2_P(D,X,val);	\
    _FP_UNPACK_CANONICAL(D,2,X);	\
  } while (0)

#define FP_UNPACK_SEMIRAW_D(X,val)	\
  do {					\
    _FP_UNPACK_RAW_2(D,X,val);		\
    _FP_UNPACK_SEMIRAW(D,2,X);		\
  } while (0)

#define FP_UNPACK_SEMIRAW_DP(X,val)	\
  do {					\
    _FP_UNPACK_RAW_2_P(D,X,val);	\
    _FP_UNPACK_SEMIRAW(D,2,X);		\
  } while (0)

#define FP_PACK_D(val,X)		\
  do {					\
    _FP_PACK_CANONICAL(D,2,X);		\
    _FP_PACK_RAW_2(D,val,X);		\
  } while (0)

#define FP_PACK_DP(val,X)		\
  do {					\
    _FP_PACK_CANONICAL(D,2,X);		\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_2_P(D,val,X);	\
  } while (0)

#define FP_PACK_SEMIRAW_D(val,X)	\
  do {					\
    _FP_PACK_SEMIRAW(D,2,X);		\
    _FP_PACK_RAW_2(D,val,X);		\
  } while (0)

#define FP_PACK_SEMIRAW_DP(val,X)	\
  do {					\
    _FP_PACK_SEMIRAW(D,2,X);		\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_2_P(D,val,X);	\
  } while (0)

#define FP_ISSIGNAN_D(X)		_FP_ISSIGNAN(D,2,X)
#define FP_NEG_D(R,X)			_FP_NEG(D,2,R,X)
#define FP_ADD_D(R,X,Y)			_FP_ADD(D,2,R,X,Y)
#define FP_SUB_D(R,X,Y)			_FP_SUB(D,2,R,X,Y)
#define FP_MUL_D(R,X,Y)			_FP_MUL(D,2,R,X,Y)
#define FP_DIV_D(R,X,Y)			_FP_DIV(D,2,R,X,Y)
#define FP_SQRT_D(R,X)			_FP_SQRT(D,2,R,X)
#define _FP_SQRT_MEAT_D(R,S,T,X,Q)	_FP_SQRT_MEAT_2(R,S,T,X,Q)
#define FP_FMA_D(R,X,Y,Z)		_FP_FMA(D,2,4,R,X,Y,Z)

#define FP_CMP_D(r,X,Y,un)	_FP_CMP(D,2,r,X,Y,un)
#define FP_CMP_EQ_D(r,X,Y)	_FP_CMP_EQ(D,2,r,X,Y)
#define FP_CMP_UNORD_D(r,X,Y)	_FP_CMP_UNORD(D,2,r,X,Y)

#define FP_TO_INT_D(r,X,rsz,rsg)	_FP_TO_INT(D,2,r,X,rsz,rsg)
#define FP_FROM_INT_D(X,r,rs,rt)	_FP_FROM_INT(D,2,X,r,rs,rt)

#define _FP_FRAC_HIGH_D(X)	_FP_FRAC_HIGH_2(X)
#define _FP_FRAC_HIGH_RAW_D(X)	_FP_FRAC_HIGH_2(X)

#define _FP_FRAC_HIGH_DW_D(X)	_FP_FRAC_HIGH_4(X)

#else

union _FP_UNION_D
{
  DFtype flt;
  struct _FP_STRUCT_LAYOUT {
#if __BYTE_ORDER == __BIG_ENDIAN
    unsigned sign   : 1;
    unsigned exp    : _FP_EXPBITS_D;
    _FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
#else
    _FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
    unsigned exp    : _FP_EXPBITS_D;
    unsigned sign   : 1;
#endif
  } bits __attribute__((packed));
};

#define FP_DECL_D(X)		_FP_DECL(1,X)
#define FP_UNPACK_RAW_D(X,val)	_FP_UNPACK_RAW_1(D,X,val)
#define FP_UNPACK_RAW_DP(X,val)	_FP_UNPACK_RAW_1_P(D,X,val)
#define FP_PACK_RAW_D(val,X)	_FP_PACK_RAW_1(D,val,X)
#define FP_PACK_RAW_DP(val,X)		\
  do {					\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_1_P(D,val,X);	\
  } while (0)

#define FP_UNPACK_D(X,val)		\
  do {					\
    _FP_UNPACK_RAW_1(D,X,val);		\
    _FP_UNPACK_CANONICAL(D,1,X);	\
  } while (0)

#define FP_UNPACK_DP(X,val)		\
  do {					\
    _FP_UNPACK_RAW_1_P(D,X,val);	\
    _FP_UNPACK_CANONICAL(D,1,X);	\
  } while (0)

#define FP_UNPACK_SEMIRAW_D(X,val)	\
  do {					\
    _FP_UNPACK_RAW_1(D,X,val);		\
    _FP_UNPACK_SEMIRAW(D,1,X);		\
  } while (0)

#define FP_UNPACK_SEMIRAW_DP(X,val)	\
  do {					\
    _FP_UNPACK_RAW_1_P(D,X,val);	\
    _FP_UNPACK_SEMIRAW(D,1,X);		\
  } while (0)

#define FP_PACK_D(val,X)		\
  do {					\
    _FP_PACK_CANONICAL(D,1,X);		\
    _FP_PACK_RAW_1(D,val,X);		\
  } while (0)

#define FP_PACK_DP(val,X)		\
  do {					\
    _FP_PACK_CANONICAL(D,1,X);		\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_1_P(D,val,X);	\
  } while (0)

#define FP_PACK_SEMIRAW_D(val,X)	\
  do {					\
    _FP_PACK_SEMIRAW(D,1,X);		\
    _FP_PACK_RAW_1(D,val,X);		\
  } while (0)

#define FP_PACK_SEMIRAW_DP(val,X)	\
  do {					\
    _FP_PACK_SEMIRAW(D,1,X);		\
    if (!FP_INHIBIT_RESULTS)		\
      _FP_PACK_RAW_1_P(D,val,X);	\
  } while (0)

#define FP_ISSIGNAN_D(X)		_FP_ISSIGNAN(D,1,X)
#define FP_NEG_D(R,X)			_FP_NEG(D,1,R,X)
#define FP_ADD_D(R,X,Y)			_FP_ADD(D,1,R,X,Y)
#define FP_SUB_D(R,X,Y)			_FP_SUB(D,1,R,X,Y)
#define FP_MUL_D(R,X,Y)			_FP_MUL(D,1,R,X,Y)
#define FP_DIV_D(R,X,Y)			_FP_DIV(D,1,R,X,Y)
#define FP_SQRT_D(R,X)			_FP_SQRT(D,1,R,X)
#define _FP_SQRT_MEAT_D(R,S,T,X,Q)	_FP_SQRT_MEAT_1(R,S,T,X,Q)
#define FP_FMA_D(R,X,Y,Z)		_FP_FMA(D,1,2,R,X,Y,Z)

/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by
   the target machine.  */

#define FP_CMP_D(r,X,Y,un)	_FP_CMP(D,1,r,X,Y,un)
#define FP_CMP_EQ_D(r,X,Y)	_FP_CMP_EQ(D,1,r,X,Y)
#define FP_CMP_UNORD_D(r,X,Y)	_FP_CMP_UNORD(D,1,r,X,Y)

#define FP_TO_INT_D(r,X,rsz,rsg)	_FP_TO_INT(D,1,r,X,rsz,rsg)
#define FP_FROM_INT_D(X,r,rs,rt)	_FP_FROM_INT(D,1,X,r,rs,rt)

#define _FP_FRAC_HIGH_D(X)	_FP_FRAC_HIGH_1(X)
#define _FP_FRAC_HIGH_RAW_D(X)	_FP_FRAC_HIGH_1(X)

#define _FP_FRAC_HIGH_DW_D(X)	_FP_FRAC_HIGH_2(X)

#endif /* W_TYPE_SIZE < 64 */
Commit	Line	Data
d876f532 UD	1	/* Software floating-point emulation.
d876f532 UD	2	Definitions for IEEE Double Precision
568035b7	3	Copyright (C) 1997-2013 Free Software Foundation, Inc.
d876f532 UD	4	This file is part of the GNU C Library.
	5	Contributed by Richard Henderson (rth@cygnus.com),
	6	Jakub Jelinek (jj@ultra.linux.cz),
	7	David S. Miller (davem@redhat.com) and
	8	Peter Maydell (pmaydell@chiark.greenend.org.uk).
	9
	10	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	11	modify it under the terms of the GNU Lesser General Public
	12	License as published by the Free Software Foundation; either
	13	version 2.1 of the License, or (at your option) any later version.
d876f532	14
638a783c RM	15	In addition to the permissions in the GNU Lesser General Public
	16	License, the Free Software Foundation gives you unlimited
	17	permission to link the compiled version of this file into
	18	combinations with other programs, and to distribute those
	19	combinations without any restriction coming from the use of this
	20	file. (The Lesser General Public License restrictions do apply in
	21	other respects; for example, they cover modification of the file,
	22	and distribution when not linked into a combine executable.)
	23
d876f532 UD	24	The GNU C Library is distributed in the hope that it will be useful,
	25	but WITHOUT ANY WARRANTY; without even the implied warranty of
	26	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	27	Lesser General Public License for more details.
d876f532	28
41bdb6e2	29	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	30	License along with the GNU C Library; if not, see
59ba27a6 PE	31	<http://www.gnu.org/licenses/>. */
d876f532 UD	32
	33	#if _FP_W_TYPE_SIZE < 32
	34	#error "Here's a nickel kid. Go buy yourself a real computer."
	35	#endif
	36
	37	#if _FP_W_TYPE_SIZE < 64
	38	#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE)
77f01ab5	39	#define _FP_FRACTBITS_DW_D (4 * _FP_W_TYPE_SIZE)
d876f532 UD	40	#else
d876f532 UD	41	#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE
77f01ab5	42	#define _FP_FRACTBITS_DW_D (2 * _FP_W_TYPE_SIZE)
d876f532 UD	43	#endif
	44
	45	#define _FP_FRACBITS_D 53
	46	#define _FP_FRACXBITS_D (_FP_FRACTBITS_D - _FP_FRACBITS_D)
	47	#define _FP_WFRACBITS_D (_FP_WORKBITS + _FP_FRACBITS_D)
	48	#define _FP_WFRACXBITS_D (_FP_FRACTBITS_D - _FP_WFRACBITS_D)
	49	#define _FP_EXPBITS_D 11
	50	#define _FP_EXPBIAS_D 1023
	51	#define _FP_EXPMAX_D 2047
	52
	53	#define _FP_QNANBIT_D \
	54	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
fe0b1e85 RM	55	#define _FP_QNANBIT_SH_D \
fe0b1e85 RM	56	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
d876f532 UD	57	#define _FP_IMPLBIT_D \
d876f532 UD	58	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
fe0b1e85 RM	59	#define _FP_IMPLBIT_SH_D \
fe0b1e85 RM	60	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE)
d876f532 UD	61	#define _FP_OVERFLOW_D \
	62	((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)
	63
77f01ab5 JM	64	#define _FP_WFRACBITS_DW_D (2 * _FP_WFRACBITS_D)
	65	#define _FP_WFRACXBITS_DW_D (_FP_FRACTBITS_DW_D - _FP_WFRACBITS_DW_D)
	66	#define _FP_HIGHBIT_DW_D \
	67	((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_D - 1) % _FP_W_TYPE_SIZE)
	68
fe0b1e85 RM	69	typedef float DFtype __attribute__((mode(DF)));
fe0b1e85 RM	70
d876f532 UD	71	#if _FP_W_TYPE_SIZE < 64
	72
	73	union _FP_UNION_D
	74	{
fe0b1e85	75	DFtype flt;
f775c276	76	struct _FP_STRUCT_LAYOUT {
d876f532 UD	77	#if __BYTE_ORDER == __BIG_ENDIAN
	78	unsigned sign : 1;
	79	unsigned exp : _FP_EXPBITS_D;
	80	unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
	81	unsigned frac0 : _FP_W_TYPE_SIZE;
	82	#else
	83	unsigned frac0 : _FP_W_TYPE_SIZE;
	84	unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
	85	unsigned exp : _FP_EXPBITS_D;
	86	unsigned sign : 1;
	87	#endif
	88	} bits __attribute__((packed));
	89	};
	90
	91	#define FP_DECL_D(X) _FP_DECL(2,X)
	92	#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val)
	93	#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_2_P(D,X,val)
	94	#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_2(D,val,X)
	95	#define FP_PACK_RAW_DP(val,X) \
	96	do { \
	97	if (!FP_INHIBIT_RESULTS) \
	98	_FP_PACK_RAW_2_P(D,val,X); \
	99	} while (0)
	100
	101	#define FP_UNPACK_D(X,val) \
	102	do { \
	103	_FP_UNPACK_RAW_2(D,X,val); \
	104	_FP_UNPACK_CANONICAL(D,2,X); \
	105	} while (0)
	106
	107	#define FP_UNPACK_DP(X,val) \
	108	do { \
	109	_FP_UNPACK_RAW_2_P(D,X,val); \
	110	_FP_UNPACK_CANONICAL(D,2,X); \
	111	} while (0)
	112
fe0b1e85 RM	113	#define FP_UNPACK_SEMIRAW_D(X,val) \
	114	do { \
	115	_FP_UNPACK_RAW_2(D,X,val); \
	116	_FP_UNPACK_SEMIRAW(D,2,X); \
	117	} while (0)
	118
	119	#define FP_UNPACK_SEMIRAW_DP(X,val) \
	120	do { \
	121	_FP_UNPACK_RAW_2_P(D,X,val); \
	122	_FP_UNPACK_SEMIRAW(D,2,X); \
	123	} while (0)
	124
d876f532 UD	125	#define FP_PACK_D(val,X) \
	126	do { \
	127	_FP_PACK_CANONICAL(D,2,X); \
	128	_FP_PACK_RAW_2(D,val,X); \
	129	} while (0)
	130
	131	#define FP_PACK_DP(val,X) \
	132	do { \
	133	_FP_PACK_CANONICAL(D,2,X); \
	134	if (!FP_INHIBIT_RESULTS) \
	135	_FP_PACK_RAW_2_P(D,val,X); \
	136	} while (0)
	137
fe0b1e85 RM	138	#define FP_PACK_SEMIRAW_D(val,X) \
	139	do { \
	140	_FP_PACK_SEMIRAW(D,2,X); \
	141	_FP_PACK_RAW_2(D,val,X); \
	142	} while (0)
	143
	144	#define FP_PACK_SEMIRAW_DP(val,X) \
	145	do { \
	146	_FP_PACK_SEMIRAW(D,2,X); \
	147	if (!FP_INHIBIT_RESULTS) \
	148	_FP_PACK_RAW_2_P(D,val,X); \
	149	} while (0)
	150
d876f532 UD	151	#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,2,X)
	152	#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X)
	153	#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y)
	154	#define FP_SUB_D(R,X,Y) _FP_SUB(D,2,R,X,Y)
	155	#define FP_MUL_D(R,X,Y) _FP_MUL(D,2,R,X,Y)
	156	#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y)
	157	#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X)
	158	#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
77f01ab5	159	#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,2,4,R,X,Y,Z)
d876f532 UD	160
	161	#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un)
	162	#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y)
e7b8c7bc	163	#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,2,r,X,Y)
d876f532 UD	164
	165	#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg)
	166	#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt)
	167
	168	#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2(X)
	169	#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2(X)
	170
77f01ab5 JM	171	#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_4(X)
77f01ab5 JM	172
d876f532 UD	173	#else
	174
	175	union _FP_UNION_D
	176	{
fe0b1e85	177	DFtype flt;
f775c276	178	struct _FP_STRUCT_LAYOUT {
d876f532	179	#if __BYTE_ORDER == __BIG_ENDIAN
06029c20 JJ	180	unsigned sign : 1;
	181	unsigned exp : _FP_EXPBITS_D;
	182	_FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
d876f532	183	#else
06029c20 JJ	184	_FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
	185	unsigned exp : _FP_EXPBITS_D;
	186	unsigned sign : 1;
d876f532 UD	187	#endif
	188	} bits __attribute__((packed));
	189	};
	190
	191	#define FP_DECL_D(X) _FP_DECL(1,X)
	192	#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_1(D,X,val)
	193	#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_1_P(D,X,val)
	194	#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_1(D,val,X)
	195	#define FP_PACK_RAW_DP(val,X) \
	196	do { \
	197	if (!FP_INHIBIT_RESULTS) \
	198	_FP_PACK_RAW_1_P(D,val,X); \
	199	} while (0)
	200
	201	#define FP_UNPACK_D(X,val) \
	202	do { \
	203	_FP_UNPACK_RAW_1(D,X,val); \
	204	_FP_UNPACK_CANONICAL(D,1,X); \
	205	} while (0)
	206
	207	#define FP_UNPACK_DP(X,val) \
	208	do { \
	209	_FP_UNPACK_RAW_1_P(D,X,val); \
	210	_FP_UNPACK_CANONICAL(D,1,X); \
	211	} while (0)
	212
fe0b1e85 RM	213	#define FP_UNPACK_SEMIRAW_D(X,val) \
fe0b1e85 RM	214	do { \
58a7457e	215	_FP_UNPACK_RAW_1(D,X,val); \
fe0b1e85 RM	216	_FP_UNPACK_SEMIRAW(D,1,X); \
	217	} while (0)
	218
	219	#define FP_UNPACK_SEMIRAW_DP(X,val) \
	220	do { \
58a7457e	221	_FP_UNPACK_RAW_1_P(D,X,val); \
fe0b1e85 RM	222	_FP_UNPACK_SEMIRAW(D,1,X); \
	223	} while (0)
	224
d876f532 UD	225	#define FP_PACK_D(val,X) \
	226	do { \
	227	_FP_PACK_CANONICAL(D,1,X); \
	228	_FP_PACK_RAW_1(D,val,X); \
	229	} while (0)
	230
	231	#define FP_PACK_DP(val,X) \
	232	do { \
	233	_FP_PACK_CANONICAL(D,1,X); \
	234	if (!FP_INHIBIT_RESULTS) \
	235	_FP_PACK_RAW_1_P(D,val,X); \
	236	} while (0)
	237
fe0b1e85 RM	238	#define FP_PACK_SEMIRAW_D(val,X) \
	239	do { \
	240	_FP_PACK_SEMIRAW(D,1,X); \
	241	_FP_PACK_RAW_1(D,val,X); \
	242	} while (0)
	243
	244	#define FP_PACK_SEMIRAW_DP(val,X) \
	245	do { \
	246	_FP_PACK_SEMIRAW(D,1,X); \
	247	if (!FP_INHIBIT_RESULTS) \
	248	_FP_PACK_RAW_1_P(D,val,X); \
	249	} while (0)
	250
d876f532 UD	251	#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,1,X)
	252	#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X)
	253	#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y)
	254	#define FP_SUB_D(R,X,Y) _FP_SUB(D,1,R,X,Y)
	255	#define FP_MUL_D(R,X,Y) _FP_MUL(D,1,R,X,Y)
	256	#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y)
	257	#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X)
	258	#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q)
77f01ab5	259	#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,1,2,R,X,Y,Z)
d876f532 UD	260
	261	/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by
	262	the target machine. */
	263
	264	#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un)
	265	#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y)
1e832e37	266	#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,1,r,X,Y)
d876f532 UD	267
	268	#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg)
	269	#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt)
	270
	271	#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1(X)
	272	#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1(X)
	273
77f01ab5 JM	274	#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_2(X)
77f01ab5 JM	275
d876f532	276	#endif /* W_TYPE_SIZE < 64 */