[thirdparty/gcc.git] / gcc / libgcc2.h

/* Header file for libgcc2.c.  */
/* Copyright (C) 2000, 2001
   Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GCC 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 General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

/* As a special exception, if you link this library with other files,
   some of which are compiled with GCC, to produce an executable,
   this library does not by itself cause the resulting executable
   to be covered by the GNU General Public License.
   This exception does not however invalidate any other reasons why
   the executable file might be covered by the GNU General Public License.  */


#ifndef GCC_LIBGCC2_H
#define GCC_LIBGCC2_H

extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t);
extern void __clear_cache (char *, char *);
extern void __eprintf (const char *, const char *, unsigned int, const char *)
  __attribute__ ((__noreturn__));

struct exception_descriptor;
extern short int __get_eh_table_language (struct exception_descriptor *);
extern short int __get_eh_table_version (struct exception_descriptor *);

/* Permit the tm.h file to select the endianness to use just for this
   file.  This is used when the endianness is determined when the
   compiler is run.  */

#ifndef LIBGCC2_WORDS_BIG_ENDIAN
#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
#endif

#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#endif

#ifndef MIN_UNITS_PER_WORD
#define MIN_UNITS_PER_WORD UNITS_PER_WORD
#endif

/* In the first part of this file, we are interfacing to calls generated
   by the compiler itself.  These calls pass values into these routines
   which have very specific modes (rather than very specific types), and
   these compiler-generated calls also expect any return values to have
   very specific modes (rather than very specific types).  Thus, we need
   to avoid using regular C language type names in this part of the file
   because the sizes for those types can be configured to be anything.
   Instead we use the following special type names.  */

typedef		 int QItype	__attribute__ ((mode (QI)));
typedef unsigned int UQItype	__attribute__ ((mode (QI)));
typedef		 int HItype	__attribute__ ((mode (HI)));
typedef unsigned int UHItype	__attribute__ ((mode (HI)));
#if MIN_UNITS_PER_WORD > 1
/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1 */
typedef 	 int SItype	__attribute__ ((mode (SI)));
typedef unsigned int USItype	__attribute__ ((mode (SI)));
#if LONG_LONG_TYPE_SIZE > 32
/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2 */
typedef		 int DItype	__attribute__ ((mode (DI)));
typedef unsigned int UDItype	__attribute__ ((mode (DI)));
#if MIN_UNITS_PER_WORD > 4
/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4 */
typedef		 int TItype	__attribute__ ((mode (TI)));
typedef unsigned int UTItype	__attribute__ ((mode (TI)));
#endif
#endif
#endif

#if BITS_PER_UNIT == 8

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

#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
typedef		float XFtype	__attribute__ ((mode (XF)));
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
typedef		float TFtype	__attribute__ ((mode (TF)));
#endif

#else /* BITS_PER_UNIT != 8 */

/* On dsp's there are usually qf/hf/tqf modes used instead of the above.
   For now we don't support them in libgcc2.c.  */

#undef L_fixdfdi
#undef L_fixsfdi
#undef L_fixtfdi
#undef L_fixunsdfdi
#undef L_fixunsdfsi
#undef L_fixunssfdi
#undef L_fixunssfsi
#undef L_fixunstfdi
#undef L_fixunsxfdi
#undef L_fixunsxfsi
#undef L_fixxfdi
#undef L_floatdidf
#undef L_floatdisf
#undef L_floatditf
#undef L_floatdixf

#endif /* BITS_PER_UNIT != 8 */

typedef int word_type __attribute__ ((mode (__word__)));

/* Make sure that we don't accidentally use any normal C language built-in
   type names in the first part of this file.  Instead we want to use *only*
   the type names defined above.  The following macro definitions insure
   that if we *do* accidentally use some normal C language built-in type name,
   we will get a syntax error.  */

#define char bogus_type
#define short bogus_type
#define int bogus_type
#define long bogus_type
#define unsigned bogus_type
#define float bogus_type
#define double bogus_type

#if MIN_UNITS_PER_WORD > 4
#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
#define Wtype	DItype
#define UWtype	UDItype
#define HWtype	DItype
#define UHWtype	UDItype
#define DWtype	TItype
#define UDWtype	UTItype
#define __NW(a,b)	__ ## a ## di ## b
#define __NDW(a,b)	__ ## a ## ti ## b
#elif MIN_UNITS_PER_WORD > 2 \
      || (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
#define Wtype	SItype
#define UWtype	USItype
#define HWtype	SItype
#define UHWtype	USItype
#define DWtype	DItype
#define UDWtype	UDItype
#define __NW(a,b)	__ ## a ## si ## b
#define __NDW(a,b)	__ ## a ## di ## b
#elif MIN_UNITS_PER_WORD > 1
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
#define Wtype	HItype
#define UWtype	UHItype
#define HWtype	HItype
#define UHWtype	UHItype
#define DWtype	SItype
#define UDWtype	USItype
#define __NW(a,b)	__ ## a ## hi ## b
#define __NDW(a,b)	__ ## a ## si ## b
#else
#define W_TYPE_SIZE BITS_PER_UNIT
#define Wtype	QItype
#define UWtype  UQItype
#define HWtype	QItype
#define UHWtype	UQItype
#define DWtype	HItype
#define UDWtype	UHItype
#define __NW(a,b)	__ ## a ## qi ## b
#define __NDW(a,b)	__ ## a ## hi ## b
#endif

#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
#define Wtype_MIN (- Wtype_MAX - 1)

#define __muldi3	__NDW(mul,3)
#define __divdi3	__NDW(div,3)
#define __udivdi3	__NDW(udiv,3)
#define __moddi3	__NDW(mod,3)
#define __umoddi3	__NDW(umod,3)
#define __negdi2	__NDW(neg,2)
#define __lshrdi3	__NDW(lshr,3)
#define __ashldi3	__NDW(ashl,3)
#define __ashrdi3	__NDW(ashr,3)
#define __cmpdi2	__NDW(cmp,2)
#define __ucmpdi2	__NDW(ucmp,2)
#define __udivmoddi4	__NDW(udivmod,4)
#define __fixunstfDI	__NDW(fixunstf,)
#define __fixtfdi	__NDW(fixtf,)
#define __fixunsxfDI	__NDW(fixunsxf,)
#define __fixxfdi	__NDW(fixxf,)
#define __fixunsdfDI	__NDW(fixunsdf,)
#define __fixdfdi	__NDW(fixdf,)
#define __fixunssfDI	__NDW(fixunssf,)
#define __fixsfdi	__NDW(fixsf,)
#define __floatdixf	__NDW(float,xf)
#define __floatditf	__NDW(float,tf)
#define __floatdidf	__NDW(float,df)
#define __floatdisf	__NDW(float,sf)
#define __fixunsxfSI	__NW(fixunsxf,)
#define __fixunstfSI	__NW(fixunstf,)
#define __fixunsdfSI	__NW(fixunsdf,)
#define __fixunssfSI	__NW(fixunssf,)

#define __ffsSI2	__NW(ffs,2)
#define __clzSI2	__NW(clz,2)
#define __ctzSI2	__NW(ctz,2)
#define __popcountSI2	__NW(popcount,2)
#define __paritySI2	__NW(parity,2)
#define __ffsDI2	__NDW(ffs,2)
#define __clzDI2	__NDW(clz,2)
#define __ctzDI2	__NDW(ctz,2)
#define __popcountDI2	__NDW(popcount,2)
#define __parityDI2	__NDW(parity,2)

extern DWtype __muldi3 (DWtype, DWtype);
extern DWtype __divdi3 (DWtype, DWtype);
extern UDWtype __udivdi3 (UDWtype, UDWtype);
extern UDWtype __umoddi3 (UDWtype, UDWtype);
extern DWtype __moddi3 (DWtype, DWtype);

/* __udivmoddi4 is static inline when building other libgcc2 portions.  */
#if (!defined (L_udivdi3) && !defined (L_divdi3) && \
     !defined (L_umoddi3) && !defined (L_moddi3))
extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
#endif

/* __negdi2 is static inline when building other libgcc2 portions.  */
#if !defined(L_divdi3) && !defined(L_moddi3)
extern DWtype __negdi2 (DWtype);
#endif

extern DWtype __lshrdi3 (DWtype, word_type);
extern DWtype __ashldi3 (DWtype, word_type);
extern DWtype __ashrdi3 (DWtype, word_type);

/* __udiv_w_sdiv is static inline when building other libgcc2 portions.  */
#if (!defined(L_udivdi3) && !defined(L_divdi3) && \
     !defined(L_umoddi3) && !defined(L_moddi3))
extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
#endif

extern word_type __cmpdi2 (DWtype, DWtype);
extern word_type __ucmpdi2 (DWtype, DWtype);

extern Wtype __absvsi2 (Wtype);
extern DWtype __absvdi2 (DWtype);
extern Wtype __addvsi3 (Wtype, Wtype);
extern DWtype __addvdi3 (DWtype, DWtype);
extern Wtype __subvsi3 (Wtype, Wtype);
extern DWtype __subvdi3 (DWtype, DWtype);
extern Wtype __mulvsi3 (Wtype, Wtype);
extern DWtype __mulvdi3 (DWtype, DWtype);
extern Wtype __negvsi2 (Wtype);
extern DWtype __negvdi2 (DWtype);

#if BITS_PER_UNIT == 8
extern DWtype __fixdfdi (DFtype);
extern DWtype __fixsfdi (SFtype);
extern DFtype __floatdidf (DWtype);
extern SFtype __floatdisf (DWtype);
extern UWtype __fixunsdfSI (DFtype);
extern UWtype __fixunssfSI (SFtype);
extern DWtype __fixunsdfDI (DFtype);
extern DWtype __fixunssfDI (SFtype);

#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
extern DWtype __fixxfdi (XFtype);
extern DWtype __fixunsxfDI (XFtype);
extern XFtype __floatdixf (DWtype);
extern UWtype __fixunsxfSI (XFtype);
#endif

#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
extern DWtype __fixunstfDI (TFtype);
extern DWtype __fixtfdi (TFtype);
extern TFtype __floatditf (DWtype);
#endif
#endif /* BITS_PER_UNIT == 8 */

/* DWstructs are pairs of Wtype values in the order determined by
   LIBGCC2_WORDS_BIG_ENDIAN.  */

#if LIBGCC2_WORDS_BIG_ENDIAN
  struct DWstruct {Wtype high, low;};
#else
  struct DWstruct {Wtype low, high;};
#endif

/* We need this union to unpack/pack DImode values, since we don't have
   any arithmetic yet.  Incoming DImode parameters are stored into the
   `ll' field, and the unpacked result is read from the struct `s'.  */

typedef union
{
  struct DWstruct s;
  DWtype ll;
} DWunion;

#include "longlong.h"

#endif /* ! GCC_LIBGCC2_H */
Commit	Line	Data
299b83b7	1	/* Header file for libgcc2.c. */
5d0e6486	2	/* Copyright (C) 2000, 2001
299b83b7 KG	3	Free Software Foundation, Inc.
299b83b7 KG	4
1322177d	5	This file is part of GCC.
299b83b7	6
1322177d LB	7	GCC is free software; you can redistribute it and/or modify it under
	8	the terms of the GNU General Public License as published by the Free
	9	Software Foundation; either version 2, or (at your option) any later
	10	version.
299b83b7	11
1322177d LB	12	GCC is distributed in the hope that it will be useful, but WITHOUT ANY
	13	WARRANTY; without even the implied warranty of MERCHANTABILITY or
	14	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	15	for more details.
299b83b7 KG	16
299b83b7 KG	17	You should have received a copy of the GNU General Public License
1322177d LB	18	along with GCC; see the file COPYING. If not, write to the Free
	19	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
	20	02111-1307, USA. */
299b83b7	21
77c915d8 DT	22	/* As a special exception, if you link this library with other files,
	23	some of which are compiled with GCC, to produce an executable,
	24	this library does not by itself cause the resulting executable
	25	to be covered by the GNU General Public License.
	26	This exception does not however invalidate any other reasons why
	27	the executable file might be covered by the GNU General Public License. */
	28
	29
88657302 RH	30	#ifndef GCC_LIBGCC2_H
88657302 RH	31	#define GCC_LIBGCC2_H
299b83b7 KG	32
299b83b7 KG	33	extern int __gcc_bcmp (const unsigned char , const unsigned char , size_t);
299b83b7	34	extern void __clear_cache (char , char );
3fe68d0a ZW	35	extern void __eprintf (const char , const char , unsigned int, const char *)
3fe68d0a ZW	36	__attribute__ ((__noreturn__));
299b83b7	37
299b83b7 KG	38	struct exception_descriptor;
	39	extern short int __get_eh_table_language (struct exception_descriptor *);
	40	extern short int __get_eh_table_version (struct exception_descriptor *);
	41
	42	/* Permit the tm.h file to select the endianness to use just for this
	43	file. This is used when the endianness is determined when the
	44	compiler is run. */
	45
	46	#ifndef LIBGCC2_WORDS_BIG_ENDIAN
	47	#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
	48	#endif
	49
	50	#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
	51	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
	52	#endif
	53
32b32c8f JJ	54	#ifndef MIN_UNITS_PER_WORD
	55	#define MIN_UNITS_PER_WORD UNITS_PER_WORD
	56	#endif
	57
299b83b7 KG	58	/* In the first part of this file, we are interfacing to calls generated
	59	by the compiler itself. These calls pass values into these routines
	60	which have very specific modes (rather than very specific types), and
	61	these compiler-generated calls also expect any return values to have
	62	very specific modes (rather than very specific types). Thus, we need
	63	to avoid using regular C language type names in this part of the file
	64	because the sizes for those types can be configured to be anything.
	65	Instead we use the following special type names. */
	66
	67	typedef int QItype __attribute__ ((mode (QI)));
	68	typedef unsigned int UQItype __attribute__ ((mode (QI)));
	69	typedef int HItype __attribute__ ((mode (HI)));
	70	typedef unsigned int UHItype __attribute__ ((mode (HI)));
aa63d244	71	#if MIN_UNITS_PER_WORD > 1
299b83b7 KG	72	/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1 */
	73	typedef int SItype __attribute__ ((mode (SI)));
	74	typedef unsigned int USItype __attribute__ ((mode (SI)));
a746dbf5	75	#if LONG_LONG_TYPE_SIZE > 32
299b83b7 KG	76	/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2 */
	77	typedef int DItype __attribute__ ((mode (DI)));
	78	typedef unsigned int UDItype __attribute__ ((mode (DI)));
6da9c622 RK	79	#if MIN_UNITS_PER_WORD > 4
	80	/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4 */
	81	typedef int TItype __attribute__ ((mode (TI)));
	82	typedef unsigned int UTItype __attribute__ ((mode (TI)));
	83	#endif
299b83b7 KG	84	#endif
	85	#endif
	86
	87	#if BITS_PER_UNIT == 8
	88
	89	typedef float SFtype __attribute__ ((mode (SF)));
	90	typedef float DFtype __attribute__ ((mode (DF)));
	91
	92	#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
	93	typedef float XFtype __attribute__ ((mode (XF)));
	94	#endif
	95	#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
	96	typedef float TFtype __attribute__ ((mode (TF)));
	97	#endif
	98
	99	#else /* BITS_PER_UNIT != 8 */
	100
	101	/* On dsp's there are usually qf/hf/tqf modes used instead of the above.
	102	For now we don't support them in libgcc2.c. */
	103
	104	#undef L_fixdfdi
	105	#undef L_fixsfdi
	106	#undef L_fixtfdi
	107	#undef L_fixunsdfdi
	108	#undef L_fixunsdfsi
	109	#undef L_fixunssfdi
	110	#undef L_fixunssfsi
	111	#undef L_fixunstfdi
	112	#undef L_fixunsxfdi
	113	#undef L_fixunsxfsi
	114	#undef L_fixxfdi
	115	#undef L_floatdidf
	116	#undef L_floatdisf
	117	#undef L_floatditf
	118	#undef L_floatdixf
	119
	120	#endif /* BITS_PER_UNIT != 8 */
	121
	122	typedef int word_type __attribute__ ((mode (__word__)));
	123
	124	/* Make sure that we don't accidentally use any normal C language built-in
	125	type names in the first part of this file. Instead we want to use only
	126	the type names defined above. The following macro definitions insure
	127	that if we do accidentally use some normal C language built-in type name,
	128	we will get a syntax error. */
	129
	130	#define char bogus_type
	131	#define short bogus_type
	132	#define int bogus_type
	133	#define long bogus_type
	134	#define unsigned bogus_type
	135	#define float bogus_type
	136	#define double bogus_type
	137
6da9c622 RK	138	#if MIN_UNITS_PER_WORD > 4
	139	#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
	140	#define Wtype DItype
	141	#define UWtype UDItype
	142	#define HWtype DItype
	143	#define UHWtype UDItype
	144	#define DWtype TItype
	145	#define UDWtype UTItype
	146	#define __NW(a,b) __ ## a ## di ## b
	147	#define __NDW(a,b) __ ## a ## ti ## b
a8b462be MH	148	#elif MIN_UNITS_PER_WORD > 2 \
a8b462be MH	149	\|\| (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
299b83b7 KG	150	#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
	151	#define Wtype SItype
	152	#define UWtype USItype
	153	#define HWtype SItype
	154	#define UHWtype USItype
	155	#define DWtype DItype
	156	#define UDWtype UDItype
	157	#define __NW(a,b) __ ## a ## si ## b
	158	#define __NDW(a,b) __ ## a ## di ## b
aa63d244	159	#elif MIN_UNITS_PER_WORD > 1
299b83b7 KG	160	#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
	161	#define Wtype HItype
	162	#define UWtype UHItype
	163	#define HWtype HItype
	164	#define UHWtype UHItype
	165	#define DWtype SItype
	166	#define UDWtype USItype
	167	#define __NW(a,b) __ ## a ## hi ## b
	168	#define __NDW(a,b) __ ## a ## si ## b
	169	#else
	170	#define W_TYPE_SIZE BITS_PER_UNIT
	171	#define Wtype QItype
	172	#define UWtype UQItype
	173	#define HWtype QItype
	174	#define UHWtype UQItype
	175	#define DWtype HItype
	176	#define UDWtype UHItype
	177	#define __NW(a,b) __ ## a ## qi ## b
	178	#define __NDW(a,b) __ ## a ## hi ## b
	179	#endif
	180
5d0e6486 AO	181	#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
	182	#define Wtype_MIN (- Wtype_MAX - 1)
	183
6da9c622 RK	184	#define __muldi3 __NDW(mul,3)
	185	#define __divdi3 __NDW(div,3)
	186	#define __udivdi3 __NDW(udiv,3)
	187	#define __moddi3 __NDW(mod,3)
	188	#define __umoddi3 __NDW(umod,3)
	189	#define __negdi2 __NDW(neg,2)
	190	#define __lshrdi3 __NDW(lshr,3)
	191	#define __ashldi3 __NDW(ashl,3)
	192	#define __ashrdi3 __NDW(ashr,3)
6da9c622 RK	193	#define __cmpdi2 __NDW(cmp,2)
	194	#define __ucmpdi2 __NDW(ucmp,2)
	195	#define __udivmoddi4 __NDW(udivmod,4)
	196	#define __fixunstfDI __NDW(fixunstf,)
	197	#define __fixtfdi __NDW(fixtf,)
	198	#define __fixunsxfDI __NDW(fixunsxf,)
	199	#define __fixxfdi __NDW(fixxf,)
	200	#define __fixunsdfDI __NDW(fixunsdf,)
	201	#define __fixdfdi __NDW(fixdf,)
	202	#define __fixunssfDI __NDW(fixunssf,)
	203	#define __fixsfdi __NDW(fixsf,)
	204	#define __floatdixf __NDW(float,xf)
	205	#define __floatditf __NDW(float,tf)
	206	#define __floatdidf __NDW(float,df)
	207	#define __floatdisf __NDW(float,sf)
	208	#define __fixunsxfSI __NW(fixunsxf,)
	209	#define __fixunstfSI __NW(fixunstf,)
	210	#define __fixunsdfSI __NW(fixunsdf,)
	211	#define __fixunssfSI __NW(fixunssf,)
	212
dfff898c	213	#define __ffsSI2 __NW(ffs,2)
8275b011 RH	214	#define __clzSI2 __NW(clz,2)
	215	#define __ctzSI2 __NW(ctz,2)
	216	#define __popcountSI2 __NW(popcount,2)
	217	#define __paritySI2 __NW(parity,2)
dfff898c	218	#define __ffsDI2 __NDW(ffs,2)
8275b011 RH	219	#define __clzDI2 __NDW(clz,2)
	220	#define __ctzDI2 __NDW(ctz,2)
	221	#define __popcountDI2 __NDW(popcount,2)
	222	#define __parityDI2 __NDW(parity,2)
dfff898c	223
d30d6e76 KG	224	extern DWtype __muldi3 (DWtype, DWtype);
	225	extern DWtype __divdi3 (DWtype, DWtype);
	226	extern UDWtype __udivdi3 (UDWtype, UDWtype);
	227	extern UDWtype __umoddi3 (UDWtype, UDWtype);
	228	extern DWtype __moddi3 (DWtype, DWtype);
6da9c622	229
d30d6e76 KG	230	/* __udivmoddi4 is static inline when building other libgcc2 portions. */
	231	#if (!defined (L_udivdi3) && !defined (L_divdi3) && \
	232	!defined (L_umoddi3) && !defined (L_moddi3))
	233	extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
	234	#endif
	235
	236	/* __negdi2 is static inline when building other libgcc2 portions. */
	237	#if !defined(L_divdi3) && !defined(L_moddi3)
	238	extern DWtype __negdi2 (DWtype);
	239	#endif
	240
	241	extern DWtype __lshrdi3 (DWtype, word_type);
	242	extern DWtype __ashldi3 (DWtype, word_type);
	243	extern DWtype __ashrdi3 (DWtype, word_type);
2928cd7a	244
d30d6e76 KG	245	/* __udiv_w_sdiv is static inline when building other libgcc2 portions. */
	246	#if (!defined(L_udivdi3) && !defined(L_divdi3) && \
	247	!defined(L_umoddi3) && !defined(L_moddi3))
	248	extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
	249	#endif
	250
	251	extern word_type __cmpdi2 (DWtype, DWtype);
	252	extern word_type __ucmpdi2 (DWtype, DWtype);
	253
66f77154 MH	254	extern Wtype __absvsi2 (Wtype);
	255	extern DWtype __absvdi2 (DWtype);
	256	extern Wtype __addvsi3 (Wtype, Wtype);
	257	extern DWtype __addvdi3 (DWtype, DWtype);
	258	extern Wtype __subvsi3 (Wtype, Wtype);
	259	extern DWtype __subvdi3 (DWtype, DWtype);
	260	extern Wtype __mulvsi3 (Wtype, Wtype);
	261	extern DWtype __mulvdi3 (DWtype, DWtype);
	262	extern Wtype __negvsi2 (Wtype);
	263	extern DWtype __negvdi2 (DWtype);
8f54374e	264
d30d6e76 KG	265	#if BITS_PER_UNIT == 8
	266	extern DWtype __fixdfdi (DFtype);
	267	extern DWtype __fixsfdi (SFtype);
	268	extern DFtype __floatdidf (DWtype);
	269	extern SFtype __floatdisf (DWtype);
6da9c622 RK	270	extern UWtype __fixunsdfSI (DFtype);
	271	extern UWtype __fixunssfSI (SFtype);
	272	extern DWtype __fixunsdfDI (DFtype);
	273	extern DWtype __fixunssfDI (SFtype);
d30d6e76 KG	274
	275	#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
	276	extern DWtype __fixxfdi (XFtype);
6da9c622	277	extern DWtype __fixunsxfDI (XFtype);
d30d6e76	278	extern XFtype __floatdixf (DWtype);
6da9c622	279	extern UWtype __fixunsxfSI (XFtype);
d30d6e76 KG	280	#endif
	281
	282	#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
6da9c622	283	extern DWtype __fixunstfDI (TFtype);
d30d6e76 KG	284	extern DWtype __fixtfdi (TFtype);
	285	extern TFtype __floatditf (DWtype);
	286	#endif
	287	#endif /* BITS_PER_UNIT == 8 */
	288
299b83b7 KG	289	/* DWstructs are pairs of Wtype values in the order determined by
	290	LIBGCC2_WORDS_BIG_ENDIAN. */
	291
	292	#if LIBGCC2_WORDS_BIG_ENDIAN
	293	struct DWstruct {Wtype high, low;};
	294	#else
	295	struct DWstruct {Wtype low, high;};
	296	#endif
	297
	298	/* We need this union to unpack/pack DImode values, since we don't have
	299	any arithmetic yet. Incoming DImode parameters are stored into the
	300	`ll' field, and the unpacked result is read from the struct `s'. */
	301
	302	typedef union
	303	{
	304	struct DWstruct s;
	305	DWtype ll;
	306	} DWunion;
	307
299b83b7 KG	308	#include "longlong.h"
299b83b7 KG	309
88657302	310	#endif /* ! GCC_LIBGCC2_H */