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

/* Header file for libgcc2.c.  */
/* Copyright (C) 2000, 2001, 2004, 2005
   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, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, 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

#ifndef HIDE_EXPORTS
#pragma GCC visibility push(default)
#endif

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_DOUBLE_TYPE_SIZE
#define LIBGCC2_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
#endif
#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#endif

#ifndef LIBGCC2_HAS_SF_MODE
#define LIBGCC2_HAS_SF_MODE (BITS_PER_UNIT == 8)
#endif

#ifndef LIBGCC2_HAS_DF_MODE
#define LIBGCC2_HAS_DF_MODE \
  (BITS_PER_UNIT == 8 \
   && (LIBGCC2_DOUBLE_TYPE_SIZE == 64 \
       || LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64))
#endif

#ifndef LIBGCC2_HAS_XF_MODE
#define LIBGCC2_HAS_XF_MODE \
  (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80)
#endif

#ifndef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE \
  (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
#endif

#ifndef SF_SIZE
#if LIBGCC2_HAS_SF_MODE
#define SF_SIZE FLT_MANT_DIG
#else
#define SF_SIZE 0
#endif
#endif

#ifndef DF_SIZE
#if LIBGCC2_HAS_DF_MODE
#if LIBGCC2_DOUBLE_TYPE_SIZE == 64
#define DF_SIZE DBL_MANT_DIG
#elif LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64
#define DF_SIZE LDBL_MANT_DIG
#else
#define DF_SIZE 0
#endif
#else
#define DF_SIZE 0
#endif
#endif

#ifndef XF_SIZE
#if LIBGCC2_HAS_XF_MODE
#define XF_SIZE LDBL_MANT_DIG
#else
#define XF_SIZE 0
#endif
#endif

#ifndef TF_SIZE
#if LIBGCC2_HAS_TF_MODE
#define TF_SIZE LDBL_MANT_DIG
#else
#define TF_SIZE 0
#endif
#endif

/* FIXME: This #ifdef probably should be removed, ie. enable the test
   for mips too.  */
#ifdef __powerpc__
#define IS_IBM_EXTENDED(SIZE) (SIZE == 106)
#else
#define IS_IBM_EXTENDED(SIZE) 0
#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 LIBGCC2_HAS_SF_MODE
typedef 	float SFtype	__attribute__ ((mode (SF)));
typedef _Complex float SCtype	__attribute__ ((mode (SC)));
#endif
#if LIBGCC2_HAS_DF_MODE
typedef		float DFtype	__attribute__ ((mode (DF)));
typedef _Complex float DCtype	__attribute__ ((mode (DC)));
#endif
#if LIBGCC2_HAS_XF_MODE
typedef		float XFtype	__attribute__ ((mode (XF)));
typedef _Complex float XCtype	__attribute__ ((mode (XC)));
#endif
#if LIBGCC2_HAS_TF_MODE
typedef		float TFtype	__attribute__ ((mode (TF)));
typedef _Complex float TCtype	__attribute__ ((mode (TC)));
#endif

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

/* Versions prior to 3.4.4 were not taking into account the word size for
   the 5 trapping arithmetic functions absv, addv, subv, mulv and negv.  As
   a consequence, the si and di variants were always and the only ones emitted.
   To maintain backward compatibility, COMPAT_SIMODE_TRAPPING_ARITHMETIC is
   defined on platforms where it makes sense to still have the si variants
   emitted.  As a bonus, their implementation is now correct.  Note that the
   same mechanism should have been implemented for the di variants, but it
   turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC
   if it existed.  */

#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
#define COMPAT_SIMODE_TRAPPING_ARITHMETIC
#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)

#if W_TYPE_SIZE == 8
# define Wtype_MAXp1_F	0x1p8f
#elif W_TYPE_SIZE == 16
# define Wtype_MAXp1_F	0x1p16f
#elif W_TYPE_SIZE == 32
# define Wtype_MAXp1_F	0x1p32f
#elif W_TYPE_SIZE == 64
# define Wtype_MAXp1_F	0x1p64f
#else
# error "expand the table"
#endif

#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 __floatundixf	__NDW(floatun,xf)
#define __floatunditf	__NDW(floatun,tf)
#define __floatundidf	__NDW(floatun,df)
#define __floatundisf	__NDW(floatun,sf)
#define __fixunsxfSI	__NW(fixunsxf,)
#define __fixunstfSI	__NW(fixunstf,)
#define __fixunsdfSI	__NW(fixunsdf,)
#define __fixunssfSI	__NW(fixunssf,)

#define __absvSI2	__NW(absv,2)
#define __addvSI3	__NW(addv,3)
#define __subvSI3	__NW(subv,3)
#define __mulvSI3	__NW(mulv,3)
#define __negvSI2	__NW(negv,2)
#define __absvDI2	__NDW(absv,2)
#define __addvDI3	__NDW(addv,3)
#define __subvDI3	__NDW(subv,3)
#define __mulvDI3	__NDW(mulv,3)
#define __negvDI2	__NDW(negv,2)

#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 Wtype __addvSI3 (Wtype, Wtype);
extern Wtype __subvSI3 (Wtype, Wtype);
extern Wtype __mulvSI3 (Wtype, Wtype);
extern Wtype __negvSI2 (Wtype);
extern DWtype __absvDI2 (DWtype);
extern DWtype __addvDI3 (DWtype, DWtype);
extern DWtype __subvDI3 (DWtype, DWtype);
extern DWtype __mulvDI3 (DWtype, DWtype);
extern DWtype __negvDI2 (DWtype);

#ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC
extern SItype __absvsi2 (SItype);
extern SItype __addvsi3 (SItype, SItype);
extern SItype __subvsi3 (SItype, SItype);
extern SItype __mulvsi3 (SItype, SItype);
extern SItype __negvsi2 (SItype);
#endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */

#undef int
#if LIBGCC2_HAS_SF_MODE
extern DWtype __fixsfdi (SFtype);
extern SFtype __floatdisf (DWtype);
extern SFtype __floatundisf (UDWtype);
extern UWtype __fixunssfSI (SFtype);
extern DWtype __fixunssfDI (SFtype);
extern SFtype __powisf2 (SFtype, int);
extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype);
extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype);
#endif
#if LIBGCC2_HAS_DF_MODE
extern DWtype __fixdfdi (DFtype);
extern DFtype __floatdidf (DWtype);
extern DFtype __floatundidf (UDWtype);
extern UWtype __fixunsdfSI (DFtype);
extern DWtype __fixunsdfDI (DFtype);
extern DFtype __powidf2 (DFtype, int);
extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype);
extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype);
#endif

#if LIBGCC2_HAS_XF_MODE
extern DWtype __fixxfdi (XFtype);
extern DWtype __fixunsxfDI (XFtype);
extern XFtype __floatdixf (DWtype);
extern XFtype __floatundixf (UDWtype);
extern UWtype __fixunsxfSI (XFtype);
extern XFtype __powixf2 (XFtype, int);
extern XCtype __divxc3 (XFtype, XFtype, XFtype, XFtype);
extern XCtype __mulxc3 (XFtype, XFtype, XFtype, XFtype);
#endif

#if LIBGCC2_HAS_TF_MODE
extern DWtype __fixunstfDI (TFtype);
extern DWtype __fixtfdi (TFtype);
extern TFtype __floatditf (DWtype);
extern TFtype __floatunditf (UDWtype);
extern TFtype __powitf2 (TFtype, int);
extern TCtype __divtc3 (TFtype, TFtype, TFtype, TFtype);
extern TCtype __multc3 (TFtype, TFtype, TFtype, TFtype);
#endif
#define int bogus_type

/* 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;

/* Defined for L_popcount_tab.  Exported here because some targets may
   want to use it for their own versions of the __popcount builtins.  */
extern const UQItype __popcount_tab[256];

/* Defined for L_clz.  Exported here because some targets may want to use
   it for their own versions of the __clz builtins.  It contains the bit
   position of the first set bit for the numbers 0 - 255.  This avoids the
   need for a seperate table for the __ctz builtins.  */
extern const UQItype __clz_tab[256];

#include "longlong.h"

#undef int
extern int __clzDI2 (UDWtype);
extern int __clzSI2 (UWtype);
extern int __ctzSI2 (UWtype);
extern int __ffsSI2 (UWtype);
extern int __ffsDI2 (DWtype);
extern int __ctzDI2 (UDWtype);
extern int __popcountSI2 (UWtype);
extern int __popcountDI2 (UDWtype);
extern int __paritySI2 (UWtype);
extern int __parityDI2 (UDWtype);
#define int bogus_type

extern void __enable_execute_stack (void *);

#ifndef HIDE_EXPORTS
#pragma GCC visibility pop
#endif

#endif /* ! GCC_LIBGCC2_H */
Commit	Line	Data
299b83b7	1	/* Header file for libgcc2.c. */
c486021d	2	/* Copyright (C) 2000, 2001, 2004, 2005
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	18	along with GCC; see the file COPYING. If not, write to the Free
366ccddb KC	19	Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
366ccddb KC	20	02110-1301, 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	32
7370bebd	33	#ifndef HIDE_EXPORTS
3fc1f660	34	#pragma GCC visibility push(default)
7370bebd	35	#endif
3fc1f660	36
299b83b7	37	extern int __gcc_bcmp (const unsigned char , const unsigned char , size_t);
299b83b7	38	extern void __clear_cache (char , char );
3fe68d0a ZW	39	extern void __eprintf (const char , const char , unsigned int, const char *)
3fe68d0a ZW	40	__attribute__ ((__noreturn__));
299b83b7	41
299b83b7 KG	42	struct exception_descriptor;
	43	extern short int __get_eh_table_language (struct exception_descriptor *);
	44	extern short int __get_eh_table_version (struct exception_descriptor *);
	45
	46	/* Permit the tm.h file to select the endianness to use just for this
	47	file. This is used when the endianness is determined when the
	48	compiler is run. */
	49
	50	#ifndef LIBGCC2_WORDS_BIG_ENDIAN
	51	#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
	52	#endif
	53
4f2e0d5e RH	54	#ifndef LIBGCC2_DOUBLE_TYPE_SIZE
	55	#define LIBGCC2_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
	56	#endif
299b83b7 KG	57	#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
	58	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
	59	#endif
	60
cfa7bd9c RS	61	#ifndef LIBGCC2_HAS_SF_MODE
	62	#define LIBGCC2_HAS_SF_MODE (BITS_PER_UNIT == 8)
	63	#endif
	64
4e9db8b2 SE	65	#ifndef LIBGCC2_HAS_DF_MODE
4e9db8b2 SE	66	#define LIBGCC2_HAS_DF_MODE \
cfa7bd9c RS	67	(BITS_PER_UNIT == 8 \
	68	&& (LIBGCC2_DOUBLE_TYPE_SIZE == 64 \
	69	\|\| LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64))
4e9db8b2 SE	70	#endif
	71
	72	#ifndef LIBGCC2_HAS_XF_MODE
cfa7bd9c RS	73	#define LIBGCC2_HAS_XF_MODE \
cfa7bd9c RS	74	(BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80)
4e9db8b2 SE	75	#endif
	76
	77	#ifndef LIBGCC2_HAS_TF_MODE
cfa7bd9c RS	78	#define LIBGCC2_HAS_TF_MODE \
cfa7bd9c RS	79	(BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
4e9db8b2 SE	80	#endif
4e9db8b2 SE	81
4a73d865 JM	82	#ifndef SF_SIZE
	83	#if LIBGCC2_HAS_SF_MODE
	84	#define SF_SIZE FLT_MANT_DIG
	85	#else
	86	#define SF_SIZE 0
	87	#endif
	88	#endif
	89
	90	#ifndef DF_SIZE
	91	#if LIBGCC2_HAS_DF_MODE
	92	#if LIBGCC2_DOUBLE_TYPE_SIZE == 64
	93	#define DF_SIZE DBL_MANT_DIG
	94	#elif LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64
	95	#define DF_SIZE LDBL_MANT_DIG
	96	#else
	97	#define DF_SIZE 0
	98	#endif
	99	#else
	100	#define DF_SIZE 0
	101	#endif
	102	#endif
	103
	104	#ifndef XF_SIZE
	105	#if LIBGCC2_HAS_XF_MODE
	106	#define XF_SIZE LDBL_MANT_DIG
	107	#else
	108	#define XF_SIZE 0
	109	#endif
	110	#endif
	111
	112	#ifndef TF_SIZE
	113	#if LIBGCC2_HAS_TF_MODE
	114	#define TF_SIZE LDBL_MANT_DIG
	115	#else
	116	#define TF_SIZE 0
	117	#endif
	118	#endif
	119
b04c9063 AM	120	/* FIXME: This #ifdef probably should be removed, ie. enable the test
	121	for mips too. */
	122	#ifdef __powerpc__
	123	#define IS_IBM_EXTENDED(SIZE) (SIZE == 106)
	124	#else
	125	#define IS_IBM_EXTENDED(SIZE) 0
	126	#endif
	127
32b32c8f JJ	128	#ifndef MIN_UNITS_PER_WORD
	129	#define MIN_UNITS_PER_WORD UNITS_PER_WORD
	130	#endif
	131
299b83b7 KG	132	/* In the first part of this file, we are interfacing to calls generated
	133	by the compiler itself. These calls pass values into these routines
	134	which have very specific modes (rather than very specific types), and
	135	these compiler-generated calls also expect any return values to have
	136	very specific modes (rather than very specific types). Thus, we need
	137	to avoid using regular C language type names in this part of the file
	138	because the sizes for those types can be configured to be anything.
	139	Instead we use the following special type names. */
	140
	141	typedef int QItype __attribute__ ((mode (QI)));
	142	typedef unsigned int UQItype __attribute__ ((mode (QI)));
	143	typedef int HItype __attribute__ ((mode (HI)));
	144	typedef unsigned int UHItype __attribute__ ((mode (HI)));
aa63d244	145	#if MIN_UNITS_PER_WORD > 1
6614fd40	146	/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1. */
299b83b7 KG	147	typedef int SItype __attribute__ ((mode (SI)));
299b83b7 KG	148	typedef unsigned int USItype __attribute__ ((mode (SI)));
a746dbf5	149	#if LONG_LONG_TYPE_SIZE > 32
6614fd40	150	/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2. */
299b83b7 KG	151	typedef int DItype __attribute__ ((mode (DI)));
299b83b7 KG	152	typedef unsigned int UDItype __attribute__ ((mode (DI)));
6da9c622	153	#if MIN_UNITS_PER_WORD > 4
6614fd40	154	/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4. */
6da9c622 RK	155	typedef int TItype __attribute__ ((mode (TI)));
	156	typedef unsigned int UTItype __attribute__ ((mode (TI)));
	157	#endif
299b83b7 KG	158	#endif
	159	#endif
	160
cfa7bd9c	161	#if LIBGCC2_HAS_SF_MODE
299b83b7	162	typedef float SFtype __attribute__ ((mode (SF)));
7e7e470f	163	typedef _Complex float SCtype __attribute__ ((mode (SC)));
cfa7bd9c	164	#endif
4e9db8b2	165	#if LIBGCC2_HAS_DF_MODE
4f2e0d5e RH	166	typedef float DFtype __attribute__ ((mode (DF)));
	167	typedef _Complex float DCtype __attribute__ ((mode (DC)));
	168	#endif
4e9db8b2	169	#if LIBGCC2_HAS_XF_MODE
299b83b7	170	typedef float XFtype __attribute__ ((mode (XF)));
7e7e470f	171	typedef _Complex float XCtype __attribute__ ((mode (XC)));
299b83b7	172	#endif
4e9db8b2	173	#if LIBGCC2_HAS_TF_MODE
299b83b7	174	typedef float TFtype __attribute__ ((mode (TF)));
7e7e470f	175	typedef _Complex float TCtype __attribute__ ((mode (TC)));
299b83b7 KG	176	#endif
299b83b7 KG	177
299b83b7 KG	178	typedef int word_type __attribute__ ((mode (__word__)));
	179
	180	/* Make sure that we don't accidentally use any normal C language built-in
	181	type names in the first part of this file. Instead we want to use only
	182	the type names defined above. The following macro definitions insure
	183	that if we do accidentally use some normal C language built-in type name,
	184	we will get a syntax error. */
	185
	186	#define char bogus_type
	187	#define short bogus_type
	188	#define int bogus_type
	189	#define long bogus_type
	190	#define unsigned bogus_type
	191	#define float bogus_type
	192	#define double bogus_type
	193
0aec6014 EB	194	/* Versions prior to 3.4.4 were not taking into account the word size for
	195	the 5 trapping arithmetic functions absv, addv, subv, mulv and negv. As
	196	a consequence, the si and di variants were always and the only ones emitted.
	197	To maintain backward compatibility, COMPAT_SIMODE_TRAPPING_ARITHMETIC is
	198	defined on platforms where it makes sense to still have the si variants
	199	emitted. As a bonus, their implementation is now correct. Note that the
	200	same mechanism should have been implemented for the di variants, but it
	201	turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC
	202	if it existed. */
	203
6da9c622 RK	204	#if MIN_UNITS_PER_WORD > 4
	205	#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
	206	#define Wtype DItype
	207	#define UWtype UDItype
	208	#define HWtype DItype
	209	#define UHWtype UDItype
	210	#define DWtype TItype
	211	#define UDWtype UTItype
	212	#define __NW(a,b) __ ## a ## di ## b
	213	#define __NDW(a,b) __ ## a ## ti ## b
0aec6014	214	#define COMPAT_SIMODE_TRAPPING_ARITHMETIC
a8b462be MH	215	#elif MIN_UNITS_PER_WORD > 2 \
a8b462be MH	216	\|\| (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
299b83b7 KG	217	#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
	218	#define Wtype SItype
	219	#define UWtype USItype
	220	#define HWtype SItype
	221	#define UHWtype USItype
	222	#define DWtype DItype
	223	#define UDWtype UDItype
	224	#define __NW(a,b) __ ## a ## si ## b
	225	#define __NDW(a,b) __ ## a ## di ## b
aa63d244	226	#elif MIN_UNITS_PER_WORD > 1
299b83b7 KG	227	#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
	228	#define Wtype HItype
	229	#define UWtype UHItype
	230	#define HWtype HItype
	231	#define UHWtype UHItype
	232	#define DWtype SItype
	233	#define UDWtype USItype
	234	#define __NW(a,b) __ ## a ## hi ## b
	235	#define __NDW(a,b) __ ## a ## si ## b
	236	#else
	237	#define W_TYPE_SIZE BITS_PER_UNIT
	238	#define Wtype QItype
	239	#define UWtype UQItype
	240	#define HWtype QItype
	241	#define UHWtype UQItype
	242	#define DWtype HItype
	243	#define UDWtype UHItype
	244	#define __NW(a,b) __ ## a ## qi ## b
	245	#define __NDW(a,b) __ ## a ## hi ## b
	246	#endif
	247
5d0e6486 AO	248	#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
	249	#define Wtype_MIN (- Wtype_MAX - 1)
	250
4f2e0d5e RH	251	#if W_TYPE_SIZE == 8
	252	# define Wtype_MAXp1_F 0x1p8f
	253	#elif W_TYPE_SIZE == 16
	254	# define Wtype_MAXp1_F 0x1p16f
	255	#elif W_TYPE_SIZE == 32
	256	# define Wtype_MAXp1_F 0x1p32f
	257	#elif W_TYPE_SIZE == 64
	258	# define Wtype_MAXp1_F 0x1p64f
	259	#else
	260	# error "expand the table"
	261	#endif
	262
6da9c622 RK	263	#define __muldi3 __NDW(mul,3)
	264	#define __divdi3 __NDW(div,3)
	265	#define __udivdi3 __NDW(udiv,3)
	266	#define __moddi3 __NDW(mod,3)
	267	#define __umoddi3 __NDW(umod,3)
	268	#define __negdi2 __NDW(neg,2)
	269	#define __lshrdi3 __NDW(lshr,3)
	270	#define __ashldi3 __NDW(ashl,3)
	271	#define __ashrdi3 __NDW(ashr,3)
6da9c622 RK	272	#define __cmpdi2 __NDW(cmp,2)
	273	#define __ucmpdi2 __NDW(ucmp,2)
	274	#define __udivmoddi4 __NDW(udivmod,4)
	275	#define __fixunstfDI __NDW(fixunstf,)
	276	#define __fixtfdi __NDW(fixtf,)
	277	#define __fixunsxfDI __NDW(fixunsxf,)
	278	#define __fixxfdi __NDW(fixxf,)
	279	#define __fixunsdfDI __NDW(fixunsdf,)
	280	#define __fixdfdi __NDW(fixdf,)
	281	#define __fixunssfDI __NDW(fixunssf,)
	282	#define __fixsfdi __NDW(fixsf,)
	283	#define __floatdixf __NDW(float,xf)
	284	#define __floatditf __NDW(float,tf)
	285	#define __floatdidf __NDW(float,df)
	286	#define __floatdisf __NDW(float,sf)
d7735880 JM	287	#define __floatundixf __NDW(floatun,xf)
	288	#define __floatunditf __NDW(floatun,tf)
	289	#define __floatundidf __NDW(floatun,df)
	290	#define __floatundisf __NDW(floatun,sf)
6da9c622 RK	291	#define __fixunsxfSI __NW(fixunsxf,)
	292	#define __fixunstfSI __NW(fixunstf,)
	293	#define __fixunsdfSI __NW(fixunsdf,)
	294	#define __fixunssfSI __NW(fixunssf,)
	295
0aec6014 EB	296	#define __absvSI2 __NW(absv,2)
	297	#define __addvSI3 __NW(addv,3)
	298	#define __subvSI3 __NW(subv,3)
	299	#define __mulvSI3 __NW(mulv,3)
	300	#define __negvSI2 __NW(negv,2)
	301	#define __absvDI2 __NDW(absv,2)
	302	#define __addvDI3 __NDW(addv,3)
	303	#define __subvDI3 __NDW(subv,3)
	304	#define __mulvDI3 __NDW(mulv,3)
	305	#define __negvDI2 __NDW(negv,2)
	306
dfff898c	307	#define __ffsSI2 __NW(ffs,2)
8275b011 RH	308	#define __clzSI2 __NW(clz,2)
	309	#define __ctzSI2 __NW(ctz,2)
	310	#define __popcountSI2 __NW(popcount,2)
	311	#define __paritySI2 __NW(parity,2)
dfff898c	312	#define __ffsDI2 __NDW(ffs,2)
8275b011 RH	313	#define __clzDI2 __NDW(clz,2)
	314	#define __ctzDI2 __NDW(ctz,2)
	315	#define __popcountDI2 __NDW(popcount,2)
	316	#define __parityDI2 __NDW(parity,2)
dfff898c	317
d30d6e76 KG	318	extern DWtype __muldi3 (DWtype, DWtype);
	319	extern DWtype __divdi3 (DWtype, DWtype);
	320	extern UDWtype __udivdi3 (UDWtype, UDWtype);
	321	extern UDWtype __umoddi3 (UDWtype, UDWtype);
	322	extern DWtype __moddi3 (DWtype, DWtype);
6da9c622	323
d30d6e76 KG	324	/* __udivmoddi4 is static inline when building other libgcc2 portions. */
	325	#if (!defined (L_udivdi3) && !defined (L_divdi3) && \
	326	!defined (L_umoddi3) && !defined (L_moddi3))
	327	extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
	328	#endif
	329
	330	/* __negdi2 is static inline when building other libgcc2 portions. */
	331	#if !defined(L_divdi3) && !defined(L_moddi3)
	332	extern DWtype __negdi2 (DWtype);
	333	#endif
	334
	335	extern DWtype __lshrdi3 (DWtype, word_type);
	336	extern DWtype __ashldi3 (DWtype, word_type);
	337	extern DWtype __ashrdi3 (DWtype, word_type);
2928cd7a	338
d30d6e76 KG	339	/* __udiv_w_sdiv is static inline when building other libgcc2 portions. */
	340	#if (!defined(L_udivdi3) && !defined(L_divdi3) && \
	341	!defined(L_umoddi3) && !defined(L_moddi3))
	342	extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
	343	#endif
	344
	345	extern word_type __cmpdi2 (DWtype, DWtype);
	346	extern word_type __ucmpdi2 (DWtype, DWtype);
	347
0aec6014 EB	348	extern Wtype __absvSI2 (Wtype);
	349	extern Wtype __addvSI3 (Wtype, Wtype);
	350	extern Wtype __subvSI3 (Wtype, Wtype);
	351	extern Wtype __mulvSI3 (Wtype, Wtype);
	352	extern Wtype __negvSI2 (Wtype);
	353	extern DWtype __absvDI2 (DWtype);
	354	extern DWtype __addvDI3 (DWtype, DWtype);
	355	extern DWtype __subvDI3 (DWtype, DWtype);
	356	extern DWtype __mulvDI3 (DWtype, DWtype);
	357	extern DWtype __negvDI2 (DWtype);
	358
	359	#ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC
	360	extern SItype __absvsi2 (SItype);
	361	extern SItype __addvsi3 (SItype, SItype);
	362	extern SItype __subvsi3 (SItype, SItype);
	363	extern SItype __mulvsi3 (SItype, SItype);
	364	extern SItype __negvsi2 (SItype);
	365	#endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */
8f54374e	366
0b8495ae	367	#undef int
cfa7bd9c	368	#if LIBGCC2_HAS_SF_MODE
d30d6e76	369	extern DWtype __fixsfdi (SFtype);
d30d6e76	370	extern SFtype __floatdisf (DWtype);
d7735880	371	extern SFtype __floatundisf (UDWtype);
6da9c622	372	extern UWtype __fixunssfSI (SFtype);
6da9c622	373	extern DWtype __fixunssfDI (SFtype);
0b8495ae	374	extern SFtype __powisf2 (SFtype, int);
7e7e470f RH	375	extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype);
7e7e470f RH	376	extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype);
cfa7bd9c	377	#endif
4e9db8b2	378	#if LIBGCC2_HAS_DF_MODE
4f2e0d5e RH	379	extern DWtype __fixdfdi (DFtype);
4f2e0d5e RH	380	extern DFtype __floatdidf (DWtype);
d7735880	381	extern DFtype __floatundidf (UDWtype);
4f2e0d5e RH	382	extern UWtype __fixunsdfSI (DFtype);
4f2e0d5e RH	383	extern DWtype __fixunsdfDI (DFtype);
0b8495ae	384	extern DFtype __powidf2 (DFtype, int);
7e7e470f RH	385	extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype);
7e7e470f RH	386	extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype);
4f2e0d5e	387	#endif
7e7e470f	388
4e9db8b2	389	#if LIBGCC2_HAS_XF_MODE
d30d6e76	390	extern DWtype __fixxfdi (XFtype);
6da9c622	391	extern DWtype __fixunsxfDI (XFtype);
d30d6e76	392	extern XFtype __floatdixf (DWtype);
d7735880	393	extern XFtype __floatundixf (UDWtype);
6da9c622	394	extern UWtype __fixunsxfSI (XFtype);
0b8495ae	395	extern XFtype __powixf2 (XFtype, int);
7e7e470f RH	396	extern XCtype __divxc3 (XFtype, XFtype, XFtype, XFtype);
7e7e470f RH	397	extern XCtype __mulxc3 (XFtype, XFtype, XFtype, XFtype);
d30d6e76 KG	398	#endif
d30d6e76 KG	399
4e9db8b2	400	#if LIBGCC2_HAS_TF_MODE
6da9c622	401	extern DWtype __fixunstfDI (TFtype);
d30d6e76 KG	402	extern DWtype __fixtfdi (TFtype);
d30d6e76 KG	403	extern TFtype __floatditf (DWtype);
d7735880	404	extern TFtype __floatunditf (UDWtype);
0b8495ae	405	extern TFtype __powitf2 (TFtype, int);
7e7e470f RH	406	extern TCtype __divtc3 (TFtype, TFtype, TFtype, TFtype);
7e7e470f RH	407	extern TCtype __multc3 (TFtype, TFtype, TFtype, TFtype);
d30d6e76	408	#endif
0b8495ae	409	#define int bogus_type
d30d6e76	410
299b83b7 KG	411	/* DWstructs are pairs of Wtype values in the order determined by
	412	LIBGCC2_WORDS_BIG_ENDIAN. */
	413
	414	#if LIBGCC2_WORDS_BIG_ENDIAN
	415	struct DWstruct {Wtype high, low;};
	416	#else
	417	struct DWstruct {Wtype low, high;};
	418	#endif
	419
	420	/* We need this union to unpack/pack DImode values, since we don't have
	421	any arithmetic yet. Incoming DImode parameters are stored into the
	422	`ll' field, and the unpacked result is read from the struct `s'. */
	423
	424	typedef union
	425	{
	426	struct DWstruct s;
	427	DWtype ll;
	428	} DWunion;
	429
dcfae47c NC	430	/* Defined for L_popcount_tab. Exported here because some targets may
	431	want to use it for their own versions of the __popcount builtins. */
	432	extern const UQItype __popcount_tab[256];
	433
	434	/* Defined for L_clz. Exported here because some targets may want to use
	435	it for their own versions of the __clz builtins. It contains the bit
	436	position of the first set bit for the numbers 0 - 255. This avoids the
	437	need for a seperate table for the __ctz builtins. */
	438	extern const UQItype __clz_tab[256];
	439
299b83b7 KG	440	#include "longlong.h"
299b83b7 KG	441
3fc1f660 MM	442	#undef int
	443	extern int __clzDI2 (UDWtype);
	444	extern int __clzSI2 (UWtype);
	445	extern int __ctzSI2 (UWtype);
	446	extern int __ffsSI2 (UWtype);
	447	extern int __ffsDI2 (DWtype);
	448	extern int __ctzDI2 (UDWtype);
	449	extern int __popcountSI2 (UWtype);
	450	extern int __popcountDI2 (UDWtype);
	451	extern int __paritySI2 (UWtype);
	452	extern int __parityDI2 (UDWtype);
	453	#define int bogus_type
	454
	455	extern void __enable_execute_stack (void *);
	456
7370bebd	457	#ifndef HIDE_EXPORTS
3fc1f660	458	#pragma GCC visibility pop
7370bebd	459	#endif
3fc1f660	460
88657302	461	#endif /* ! GCC_LIBGCC2_H */