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fixed-bit.h
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/* This is a software fixed-point library.
Copyright (C) 2007-2013 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 3, 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _FIXED_BIT_H
#define _FIXED_BIT_H
#ifdef LIBGCC2_GNU_PREFIX
#define LIBGCC2_FIXEDBIT_GNU_PREFIX
#endif
/* To use this file we need to define one of the following:
QQ_MODE, UQQ_MODE, HQ_MODE, UHQ_MODE, SQ_MODE, USQ_MODE, DQ_MODE, UDQ_MODE,
TQ_MODE, UTQ_MODE, HA_MODE, UHA_MODE, SA_MODE, USA_MODE, DA_MODE, UDA_MODE,
TA_MODE, UTA_MODE.
Then, all operators for this machine mode will be created.
Or, we need to define FROM_* TO_* for conversions from one mode to another
mode. The mode could be one of the following:
Fract: QQ, UQQ, HQ, UHQ, SQ, USQ, DQ, UDQ, TQ, UTQ
Accum: HA, UHA, SA, USA, DA, UDA, TA, UTA
Signed integer: QI, HI, SI, DI, TI
Unsigned integer: UQI, UHI, USI, UDI, UTI
Floating-point: SF, DF
Ex: If we define FROM_QQ and TO_SI, the conversion from QQ to SI is
generated. */
#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 \
&& (__SIZEOF_DOUBLE__ * __CHAR_BIT__ == 64 \
|| LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 64))
#endif
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)));
typedef _Fract QQtype __attribute__ ((mode (QQ)));
typedef unsigned _Fract UQQtype __attribute__ ((mode (UQQ)));
typedef _Fract HQtype __attribute__ ((mode (HQ)));
typedef unsigned _Fract UHQtype __attribute__ ((mode (UHQ)));
typedef _Fract HAtype __attribute__ ((mode (HA)));
typedef unsigned _Fract UHAtype __attribute__ ((mode (UHA)));
#define HAVE_QQ 1
#define HAVE_UQQ 1
#define HAVE_HQ 1
#define HAVE_UHQ 1
#define HAVE_HA 1
#define HAVE_UHA 1
#define HAVE_QI 1
#define HAVE_UQI 1
#define HAVE_HI 1
#define HAVE_UHI 1
#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)));
typedef _Fract SQtype __attribute__ ((mode (SQ)));
typedef unsigned _Fract USQtype __attribute__ ((mode (USQ)));
typedef _Fract SAtype __attribute__ ((mode (SA)));
typedef unsigned _Fract USAtype __attribute__ ((mode (USA)));
#define HAVE_SQ 1
#define HAVE_USQ 1
#define HAVE_SA 1
#define HAVE_USA 1
#define HAVE_SI 1
#define HAVE_USI 1
#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)));
typedef _Fract DQtype __attribute__ ((mode (DQ)));
typedef unsigned _Fract UDQtype __attribute__ ((mode (UDQ)));
typedef _Fract DAtype __attribute__ ((mode (DA)));
typedef unsigned _Fract UDAtype __attribute__ ((mode (UDA)));
#define HAVE_DQ 1
#define HAVE_UDQ 1
#define HAVE_DA 1
#define HAVE_UDA 1
#define HAVE_DI 1
#define HAVE_UDI 1
#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)));
typedef _Fract TQtype __attribute__ ((mode (TQ)));
typedef unsigned _Fract UTQtype __attribute__ ((mode (UTQ)));
typedef _Fract TAtype __attribute__ ((mode (TA)));
typedef unsigned _Fract UTAtype __attribute__ ((mode (UTA)));
#define HAVE_TQ 1
#define HAVE_UTQ 1
#define HAVE_TA 1
#define HAVE_UTA 1
#define HAVE_TI 1
#define HAVE_UTI 1
#endif
#endif
#endif
#if LIBGCC2_HAS_SF_MODE
typedef float SFtype __attribute__ ((mode (SF)));
#define HAVE_SF 1
#endif
#if LIBGCC2_HAS_DF_MODE
typedef float DFtype __attribute__ ((mode (DF)));
#define HAVE_DF 1
#endif
typedef int word_type __attribute__ ((mode (__word__)));
/* Based on modes, we create many defines. */
#if defined (QQ_MODE) && (HAVE_QQ == 1)
#define FIXED_SIZE 1 /* in bytes. */
#define INT_C_TYPE QItype
#define UINT_C_TYPE UQItype
#define DINT_C_TYPE HItype
#define DUINT_C_TYPE UHItype
#define MODE_NAME QQ
#define MODE_NAME_S qq
#define MODE_UNSIGNED 0
#endif
#if defined (UQQ_MODE) && (HAVE_UQQ == 1)
#define FIXED_SIZE 1 /* in bytes. */
#define INT_C_TYPE UQItype
#define UINT_C_TYPE UQItype
#define DINT_C_TYPE UHItype
#define DUINT_C_TYPE UHItype
#define MODE_NAME UQQ
#define MODE_NAME_S uqq
#define MODE_UNSIGNED 1
#endif
#if defined (HQ_MODE) && (HAVE_HQ == 1)
#define FIXED_SIZE 2 /* in bytes. */
#define INT_C_TYPE HItype
#define UINT_C_TYPE UHItype
#if HAVE_SI == 1
#define DINT_C_TYPE SItype
#define DUINT_C_TYPE USItype
#else
#define HINT_C_TYPE QItype
#define HUINT_C_TYPE UQItype
#endif
#define MODE_NAME HQ
#define MODE_NAME_S hq
#define MODE_UNSIGNED 0
#endif
#if defined (UHQ_MODE) && (HAVE_UHQ == 1)
#define FIXED_SIZE 2 /* in bytes. */
#define INT_C_TYPE UHItype
#define UINT_C_TYPE UHItype
#if HAVE_SI == 1
#define DINT_C_TYPE USItype
#define DUINT_C_TYPE USItype
#else
#define HINT_C_TYPE UQItype
#define HUINT_C_TYPE UQItype
#endif
#define MODE_NAME UHQ
#define MODE_NAME_S uhq
#define MODE_UNSIGNED 1
#endif
#if defined (SQ_MODE) && (HAVE_SQ == 1)
#define FIXED_SIZE 4 /* in bytes. */
#define INT_C_TYPE SItype
#define UINT_C_TYPE USItype
#if HAVE_DI == 1
#define DINT_C_TYPE DItype
#define DUINT_C_TYPE UDItype
#else
#define HINT_C_TYPE HItype
#define HUINT_C_TYPE UHItype
#endif
#define MODE_NAME SQ
#define MODE_NAME_S sq
#define MODE_UNSIGNED 0
#endif
#if defined (USQ_MODE) && (HAVE_USQ == 1)
#define FIXED_SIZE 4 /* in bytes. */
#define INT_C_TYPE USItype
#define UINT_C_TYPE USItype
#if HAVE_DI == 1
#define DINT_C_TYPE UDItype
#define DUINT_C_TYPE UDItype
#else
#define HINT_C_TYPE UHItype
#define HUINT_C_TYPE UHItype
#endif
#define MODE_NAME USQ
#define MODE_NAME_S usq
#define MODE_UNSIGNED 1
#endif
#if defined (DQ_MODE) && (HAVE_DQ == 1)
#define FIXED_SIZE 8 /* in bytes. */
#define INT_C_TYPE DItype
#define UINT_C_TYPE UDItype
#if HAVE_TI == 1
#define DINT_C_TYPE TItype
#define DUINT_C_TYPE UTItype
#else
#define HINT_C_TYPE SItype
#define HUINT_C_TYPE USItype
#endif
#define MODE_NAME DQ
#define MODE_NAME_S dq
#define MODE_UNSIGNED 0
#endif
#if defined (UDQ_MODE) && (HAVE_UDQ == 1)
#define FIXED_SIZE 8 /* in bytes. */
#define INT_C_TYPE UDItype
#define UINT_C_TYPE UDItype
#if HAVE_TI == 1
#define DINT_C_TYPE UTItype
#define DUINT_C_TYPE UTItype
#else
#define HINT_C_TYPE USItype
#define HUINT_C_TYPE USItype
#endif
#define MODE_NAME UDQ
#define MODE_NAME_S udq
#define MODE_UNSIGNED 1
#endif
#if defined (TQ_MODE) && (HAVE_TQ == 1)
#define FIXED_SIZE 16 /* in bytes. */
#define INT_C_TYPE TItype
#define UINT_C_TYPE UTItype
#define HINT_C_TYPE DItype
#define HUINT_C_TYPE UDItype
#define MODE_NAME TQ
#define MODE_NAME_S tq
#define MODE_UNSIGNED 0
#endif
#if defined (UTQ_MODE) && (HAVE_UTQ == 1)
#define FIXED_SIZE 16 /* in bytes. */
#define INT_C_TYPE UTItype
#define UINT_C_TYPE UTItype
#define HINT_C_TYPE UDItype
#define HUINT_C_TYPE UDItype
#define MODE_NAME UTQ
#define MODE_NAME_S utq
#define MODE_UNSIGNED 1
#endif
#if defined (HA_MODE) && (HAVE_HA == 1)
#define FIXED_SIZE 2 /* in bytes. */
#define INT_C_TYPE HItype
#define UINT_C_TYPE UHItype
#if HAVE_SI == 1
#define DINT_C_TYPE SItype
#define DUINT_C_TYPE USItype
#else
#define HINT_C_TYPE QItype
#define HUINT_C_TYPE UQItype
#endif
#define MODE_NAME HA
#define MODE_NAME_S ha
#define MODE_UNSIGNED 0
#endif
#if defined (UHA_MODE) && (HAVE_UHA == 1)
#define FIXED_SIZE 2 /* in bytes. */
#define INT_C_TYPE UHItype
#define UINT_C_TYPE UHItype
#if HAVE_SI == 1
#define DINT_C_TYPE USItype
#define DUINT_C_TYPE USItype
#else
#define HINT_C_TYPE UQItype
#define HUINT_C_TYPE UQItype
#endif
#define MODE_NAME UHA
#define MODE_NAME_S uha
#define MODE_UNSIGNED 1
#endif
#if defined (SA_MODE) && (HAVE_SA == 1)
#define FIXED_SIZE 4 /* in bytes. */
#define INT_C_TYPE SItype
#define UINT_C_TYPE USItype
#if HAVE_DI == 1
#define DINT_C_TYPE DItype
#define DUINT_C_TYPE UDItype
#else
#define HINT_C_TYPE HItype
#define HUINT_C_TYPE UHItype
#endif
#define MODE_NAME SA
#define MODE_NAME_S sa
#define MODE_UNSIGNED 0
#endif
#if defined (USA_MODE) && (HAVE_USA == 1)
#define FIXED_SIZE 4 /* in bytes. */
#define INT_C_TYPE USItype
#define UINT_C_TYPE USItype
#if HAVE_DI == 1
#define DINT_C_TYPE UDItype
#define DUINT_C_TYPE UDItype
#else
#define HINT_C_TYPE UHItype
#define HUINT_C_TYPE UHItype
#endif
#define MODE_NAME USA
#define MODE_NAME_S usa
#define MODE_UNSIGNED 1
#endif
#if defined (DA_MODE) && (HAVE_DA == 1)
#define FIXED_SIZE 8 /* in bytes. */
#define INT_C_TYPE DItype
#define UINT_C_TYPE UDItype
#if HAVE_TI == 1
#define DINT_C_TYPE TItype
#define DUINT_C_TYPE UTItype
#else
#define HINT_C_TYPE SItype
#define HUINT_C_TYPE USItype
#endif
#define MODE_NAME DA
#define MODE_NAME_S da
#define MODE_UNSIGNED 0
#endif
#if defined (UDA_MODE) && (HAVE_UDA == 1)
#define FIXED_SIZE 8 /* in bytes. */
#define INT_C_TYPE UDItype
#define UINT_C_TYPE UDItype
#if HAVE_TI == 1
#define DINT_C_TYPE UTItype
#define DUINT_C_TYPE UTItype
#else
#define HINT_C_TYPE USItype
#define HUINT_C_TYPE USItype
#endif
#define MODE_NAME UDA
#define MODE_NAME_S uda
#define MODE_UNSIGNED 1
#endif
#if defined (TA_MODE) && (HAVE_TA == 1)
#define FIXED_SIZE 16 /* in bytes. */
#define INT_C_TYPE TItype
#define UINT_C_TYPE UTItype
#define HINT_C_TYPE DItype
#define HUINT_C_TYPE UDItype
#define MODE_NAME TA
#define MODE_NAME_S ta
#define MODE_UNSIGNED 0
#endif
#if defined (UTA_MODE) && (HAVE_UTA == 1)
#define FIXED_SIZE 16 /* in bytes. */
#define INT_C_TYPE UTItype
#define UINT_C_TYPE UTItype
#define HINT_C_TYPE UDItype
#define HUINT_C_TYPE UDItype
#define MODE_NAME UTA
#define MODE_NAME_S uta
#define MODE_UNSIGNED 1
#endif
/* The following defines are based on the previous defines. */
#if defined (HINT_C_TYPE)
#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
struct INTstruct {HINT_C_TYPE high, low;};
#else
struct INTstruct {HINT_C_TYPE low, high;};
#endif
typedef union
{
struct INTstruct s;
INT_C_TYPE ll;
} INTunion;
#endif
#define FIXED_WIDTH (FIXED_SIZE * BITS_PER_UNIT) /* in bits. */
#define FIXED_C_TYPE1(NAME) NAME ## type
#define FIXED_C_TYPE2(NAME) FIXED_C_TYPE1(NAME)
#define FIXED_C_TYPE FIXED_C_TYPE2(MODE_NAME)
#define FBITS1(NAME) __ ## NAME ## _FBIT__
#define FBITS2(NAME) FBITS1(NAME)
#define FBITS FBITS2(MODE_NAME)
#define IBITS1(NAME) __ ## NAME ## _IBIT__
#define IBITS2(NAME) IBITS1(NAME)
#define IBITS IBITS2(MODE_NAME)
#define I_F_BITS (FBITS + IBITS)
#ifdef LIBGCC2_FIXEDBIT_GNU_PREFIX
#define FIXED_OP(OP,MODE,NUM) __gnu_ ## OP ## MODE ## NUM
#else
#define FIXED_OP(OP,MODE,NUM) __ ## OP ## MODE ## NUM
#endif
#define FIXED_SATURATE1_TEMP(NAME) FIXED_OP(saturate1,NAME,)
#define FIXED_SATURATE2_TEMP(NAME) FIXED_OP(saturate2,NAME,)
#define FIXED_MULHELPER_TEMP(NAME) FIXED_OP(mulhelper,NAME,)
#define FIXED_DIVHELPER_TEMP(NAME) FIXED_OP(divhelper,NAME,)
#define FIXED_ASHLHELPER_TEMP(NAME) FIXED_OP(ashlhelper,NAME,)
#define FIXED_ADD_TEMP(NAME) FIXED_OP(add,NAME,3)
#define FIXED_SSADD_TEMP(NAME) FIXED_OP(ssadd,NAME,3)
#define FIXED_USADD_TEMP(NAME) FIXED_OP(usadd,NAME,3)
#define FIXED_SUB_TEMP(NAME) FIXED_OP(sub,NAME,3)
#define FIXED_SSSUB_TEMP(NAME) FIXED_OP(sssub,NAME,3)
#define FIXED_USSUB_TEMP(NAME) FIXED_OP(ussub,NAME,3)
#define FIXED_MUL_TEMP(NAME) FIXED_OP(mul,NAME,3)
#define FIXED_SSMUL_TEMP(NAME) FIXED_OP(ssmul,NAME,3)
#define FIXED_USMUL_TEMP(NAME) FIXED_OP(usmul,NAME,3)
#define FIXED_DIV_TEMP(NAME) FIXED_OP(div,NAME,3)
#define FIXED_UDIV_TEMP(NAME) FIXED_OP(udiv,NAME,3)
#define FIXED_SSDIV_TEMP(NAME) FIXED_OP(ssdiv,NAME,3)
#define FIXED_USDIV_TEMP(NAME) FIXED_OP(usdiv,NAME,3)
#define FIXED_NEG_TEMP(NAME) FIXED_OP(neg,NAME,2)
#define FIXED_SSNEG_TEMP(NAME) FIXED_OP(ssneg,NAME,2)
#define FIXED_USNEG_TEMP(NAME) FIXED_OP(usneg,NAME,2)
#define FIXED_ASHL_TEMP(NAME) FIXED_OP(ashl,NAME,3)
#define FIXED_ASHR_TEMP(NAME) FIXED_OP(ashr,NAME,3)
#define FIXED_LSHR_TEMP(NAME) FIXED_OP(lshr,NAME,3)
#define FIXED_SSASHL_TEMP(NAME) FIXED_OP(ssashl,NAME,3)
#define FIXED_USASHL_TEMP(NAME) FIXED_OP(usashl,NAME,3)
#define FIXED_CMP_TEMP(NAME) FIXED_OP(cmp,NAME,2)
#if defined (MODE_NAME)
#if defined (DINT_C_TYPE)
#define FIXED_SATURATE1 FIXED_SATURATE1_TEMP(MODE_NAME_S)
#else
#define FIXED_SATURATE2 FIXED_SATURATE2_TEMP(MODE_NAME_S)
#endif
#define FIXED_MULHELPER FIXED_MULHELPER_TEMP(MODE_NAME_S)
#define FIXED_DIVHELPER FIXED_DIVHELPER_TEMP(MODE_NAME_S)
#define FIXED_ASHLHELPER FIXED_ASHLHELPER_TEMP(MODE_NAME_S)
#define FIXED_ADD FIXED_ADD_TEMP(MODE_NAME_S)
#define FIXED_SUB FIXED_SUB_TEMP(MODE_NAME_S)
#define FIXED_MUL FIXED_MUL_TEMP(MODE_NAME_S)
#define FIXED_NEG FIXED_NEG_TEMP(MODE_NAME_S)
#define FIXED_ASHL FIXED_ASHL_TEMP(MODE_NAME_S)
#define FIXED_CMP FIXED_CMP_TEMP(MODE_NAME_S)
/* The following functions are for all fixed-point modes. */
#if defined (DINT_C_TYPE)
extern void FIXED_SATURATE1 (DINT_C_TYPE *);
#else
extern void FIXED_SATURATE2 (INT_C_TYPE *, INT_C_TYPE *);
#endif
extern FIXED_C_TYPE FIXED_MULHELPER (FIXED_C_TYPE, FIXED_C_TYPE, word_type);
extern FIXED_C_TYPE FIXED_DIVHELPER (FIXED_C_TYPE, FIXED_C_TYPE, word_type);
extern FIXED_C_TYPE FIXED_ASHLHELPER (FIXED_C_TYPE, word_type, word_type);
extern FIXED_C_TYPE FIXED_ADD (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SUB (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_MUL (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_NEG (FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_ASHL (FIXED_C_TYPE, word_type);
extern word_type FIXED_CMP (FIXED_C_TYPE, FIXED_C_TYPE);
#endif
#if MODE_UNSIGNED == 0 /* Signed types. */
#define PADDING_BITS (FIXED_WIDTH - 1 - I_F_BITS)
#define NONPADDING_BITS (1 + I_F_BITS)
#if defined (MODE_NAME)
#define FIXED_DIV FIXED_DIV_TEMP(MODE_NAME_S)
#define FIXED_ASHR FIXED_ASHR_TEMP(MODE_NAME_S)
#define FIXED_SSADD FIXED_SSADD_TEMP(MODE_NAME_S)
#define FIXED_SSSUB FIXED_SSSUB_TEMP(MODE_NAME_S)
#define FIXED_SSMUL FIXED_SSMUL_TEMP(MODE_NAME_S)
#define FIXED_SSDIV FIXED_SSDIV_TEMP(MODE_NAME_S)
#define FIXED_SSNEG FIXED_SSNEG_TEMP(MODE_NAME_S)
#define FIXED_SSASHL FIXED_SSASHL_TEMP(MODE_NAME_S)
/* The following functions are for signed fixed-point modes. */
extern FIXED_C_TYPE FIXED_DIV (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_ASHR (FIXED_C_TYPE, word_type);
extern FIXED_C_TYPE FIXED_SSADD (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SSSUB (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SSMUL (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SSDIV (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SSNEG (FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_SSASHL (FIXED_C_TYPE, word_type);
#endif
#else /* Unsigned types. */
#define PADDING_BITS (FIXED_WIDTH - I_F_BITS)
#define NONPADDING_BITS (I_F_BITS)
#if defined (MODE_NAME)
#define FIXED_UDIV FIXED_UDIV_TEMP(MODE_NAME_S)
#define FIXED_LSHR FIXED_LSHR_TEMP(MODE_NAME_S)
#define FIXED_USDIV FIXED_USDIV_TEMP(MODE_NAME_S)
#define FIXED_USADD FIXED_USADD_TEMP(MODE_NAME_S)
#define FIXED_USSUB FIXED_USSUB_TEMP(MODE_NAME_S)
#define FIXED_USMUL FIXED_USMUL_TEMP(MODE_NAME_S)
#define FIXED_USNEG FIXED_USNEG_TEMP(MODE_NAME_S)
#define FIXED_USASHL FIXED_USASHL_TEMP(MODE_NAME_S)
/* The following functions are for unsigned fixed-point modes. */
extern FIXED_C_TYPE FIXED_UDIV (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_LSHR (FIXED_C_TYPE, word_type);
extern FIXED_C_TYPE FIXED_USADD (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_USSUB (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_USMUL (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_USDIV (FIXED_C_TYPE, FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_USNEG (FIXED_C_TYPE);
extern FIXED_C_TYPE FIXED_USASHL (FIXED_C_TYPE, word_type);
#endif
#endif /* End of testing MODE_UNSIGNED. */
/* This define is to check if this mode have any padding bits. */
#define HAVE_PADDING_BITS (PADDING_BITS > 0)
/* ------------------------------------------------------------------------ */
/* The following defines are for conversions. */
#if defined (FROM_QI) && HAVE_QI == 1
#define FROM_TYPE 1 /* Signed integer. */
#define FROM_INT_C_TYPE QItype
#define FROM_SINT_C_TYPE QItype
#define FROM_UINT_C_TYPE UQItype
#define FROM_MODE_NAME_S qi
#define FROM_INT_SIZE 1 /* in bytes. */
#elif defined (FROM_HI) && HAVE_HI == 1
#define FROM_TYPE 1 /* Signed integer. */
#define FROM_INT_C_TYPE HItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_NAME_S hi
#define FROM_INT_SIZE 2 /* in bytes. */
#elif defined (FROM_SI) && HAVE_SI == 1
#define FROM_TYPE 1 /* Signed integer. */
#define FROM_INT_C_TYPE SItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_NAME_S si
#define FROM_INT_SIZE 4 /* in bytes. */
#elif defined (FROM_DI) && HAVE_DI == 1
#define FROM_TYPE 1 /* Signed integer. */
#define FROM_INT_C_TYPE DItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_NAME_S di
#define FROM_INT_SIZE 8 /* in bytes. */
#elif defined (FROM_TI) && HAVE_TI == 1
#define FROM_TYPE 1 /* Signed integer. */
#define FROM_INT_C_TYPE TItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_NAME_S ti
#define FROM_INT_SIZE 16 /* in bytes. */
#elif defined (FROM_UQI) && HAVE_UQI == 1
#define FROM_TYPE 2 /* Unsigned integer. */
#define FROM_INT_C_TYPE QItype
#define FROM_SINT_C_TYPE QItype
#define FROM_UINT_C_TYPE UQItype
#define FROM_MODE_NAME_S qi
#define FROM_INT_SIZE 1 /* in bytes. */
#elif defined (FROM_UHI) && HAVE_UHI == 1
#define FROM_TYPE 2 /* Unsigned integer. */
#define FROM_INT_C_TYPE UHItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_NAME_S hi
#define FROM_INT_SIZE 2 /* in bytes. */
#elif defined (FROM_USI) && HAVE_USI == 1
#define FROM_TYPE 2 /* Unsigned integer. */
#define FROM_INT_C_TYPE USItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_NAME_S si
#define FROM_INT_SIZE 4 /* in bytes. */
#elif defined (FROM_UDI) && HAVE_UDI == 1
#define FROM_TYPE 2 /* Unsigned integer. */
#define FROM_INT_C_TYPE UDItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_NAME_S di
#define FROM_INT_SIZE 8 /* in bytes. */
#elif defined (FROM_UTI) && HAVE_UTI == 1
#define FROM_TYPE 2 /* Unsigned integer. */
#define FROM_INT_C_TYPE UTItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_NAME_S ti
#define FROM_INT_SIZE 16 /* in bytes. */
#elif defined (FROM_SF) && HAVE_SF == 1
#define FROM_TYPE 3 /* Floating-point. */
#define FROM_FLOAT_C_TYPE SFtype
#define FROM_MODE_NAME_S sf
#elif defined (FROM_DF) && HAVE_DF == 1
#define FROM_TYPE 3 /* Floating-point. */
#define FROM_FLOAT_C_TYPE DFtype
#define FROM_MODE_NAME_S df
#elif defined (FROM_QQ) && HAVE_QQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME QQ
#define FROM_MODE_NAME_S qq
#define FROM_INT_C_TYPE QItype
#define FROM_SINT_C_TYPE QItype
#define FROM_UINT_C_TYPE UQItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 1 /* in bytes. */
#elif defined (FROM_HQ) && HAVE_HQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME HQ
#define FROM_MODE_NAME_S hq
#define FROM_INT_C_TYPE HItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 2 /* in bytes. */
#elif defined (FROM_SQ) && HAVE_SQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME SQ
#define FROM_MODE_NAME_S sq
#define FROM_INT_C_TYPE SItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 4 /* in bytes. */
#elif defined (FROM_DQ) && HAVE_DQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME DQ
#define FROM_MODE_NAME_S dq
#define FROM_INT_C_TYPE DItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 8 /* in bytes. */
#elif defined (FROM_TQ) && HAVE_TQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME TQ
#define FROM_MODE_NAME_S tq
#define FROM_INT_C_TYPE TItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 16 /* in bytes. */
#elif defined (FROM_UQQ) && HAVE_UQQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UQQ
#define FROM_MODE_NAME_S uqq
#define FROM_INT_C_TYPE UQItype
#define FROM_SINT_C_TYPE QItype
#define FROM_UINT_C_TYPE UQItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 1 /* in bytes. */
#elif defined (FROM_UHQ) && HAVE_UHQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UHQ
#define FROM_MODE_NAME_S uhq
#define FROM_INT_C_TYPE UHItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 2 /* in bytes. */
#elif defined (FROM_USQ) && HAVE_USQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME USQ
#define FROM_MODE_NAME_S usq
#define FROM_INT_C_TYPE USItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 4 /* in bytes. */
#elif defined (FROM_UDQ) && HAVE_UDQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UDQ
#define FROM_MODE_NAME_S udq
#define FROM_INT_C_TYPE UDItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 8 /* in bytes. */
#elif defined (FROM_UTQ) && HAVE_UTQ == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UTQ
#define FROM_MODE_NAME_S utq
#define FROM_INT_C_TYPE UTItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 16 /* in bytes. */
#elif defined (FROM_HA) && HAVE_HA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME HA
#define FROM_MODE_NAME_S ha
#define FROM_INT_C_TYPE HItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 2 /* in bytes. */
#elif defined (FROM_SA) && HAVE_SA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME SA
#define FROM_MODE_NAME_S sa
#define FROM_INT_C_TYPE SItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 4 /* in bytes. */
#elif defined (FROM_DA) && HAVE_DA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME DA
#define FROM_MODE_NAME_S da
#define FROM_INT_C_TYPE DItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 8 /* in bytes. */
#elif defined (FROM_TA) && HAVE_TA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME TA
#define FROM_MODE_NAME_S ta
#define FROM_INT_C_TYPE TItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_UNSIGNED 0
#define FROM_FIXED_SIZE 16 /* in bytes. */
#elif defined (FROM_UHA) && HAVE_UHA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UHA
#define FROM_MODE_NAME_S uha
#define FROM_INT_C_TYPE UHItype
#define FROM_SINT_C_TYPE HItype
#define FROM_UINT_C_TYPE UHItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 2 /* in bytes. */
#elif defined (FROM_USA) && HAVE_USA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME USA
#define FROM_MODE_NAME_S usa
#define FROM_INT_C_TYPE USItype
#define FROM_SINT_C_TYPE SItype
#define FROM_UINT_C_TYPE USItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 4 /* in bytes. */
#elif defined (FROM_UDA) && HAVE_UDA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UDA
#define FROM_MODE_NAME_S uda
#define FROM_INT_C_TYPE UDItype
#define FROM_SINT_C_TYPE DItype
#define FROM_UINT_C_TYPE UDItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 8 /* in bytes. */
#elif defined (FROM_UTA) && HAVE_UTA == 1
#define FROM_TYPE 4 /* Fixed-point. */
#define FROM_MODE_NAME UTA
#define FROM_MODE_NAME_S uta
#define FROM_INT_C_TYPE UTItype
#define FROM_SINT_C_TYPE TItype
#define FROM_UINT_C_TYPE UTItype
#define FROM_MODE_UNSIGNED 1
#define FROM_FIXED_SIZE 16 /* in bytes. */
#endif
#if defined (TO_QI) && HAVE_QI == 1 && !defined (FROM_QI)
#define TO_TYPE 1 /* Signed integer. */
#define TO_INT_C_TYPE QItype
#define TO_SINT_C_TYPE QItype
#define TO_UINT_C_TYPE UQItype
#define TO_MODE_NAME_S qi
#elif defined (TO_HI) && HAVE_HI == 1 && !defined (FROM_HI)
#define TO_TYPE 1 /* Signed integer. */
#define TO_INT_C_TYPE HItype
#define TO_SINT_C_TYPE HItype
#define TO_UINT_C_TYPE UHItype
#define TO_MODE_NAME_S hi
#elif defined (TO_SI) && HAVE_SI == 1 && !defined (FROM_SI)
#define TO_TYPE 1 /* Signed integer. */
#define TO_INT_C_TYPE SItype
#define TO_SINT_C_TYPE SItype
#define TO_UINT_C_TYPE USItype
#define TO_MODE_NAME_S si
#elif defined (TO_DI) && HAVE_DI == 1 && !defined (FROM_DI)
#define TO_TYPE 1 /* Signed integer. */
#define TO_INT_C_TYPE DItype
#define TO_SINT_C_TYPE DItype
#define TO_UINT_C_TYPE UDItype
#define TO_MODE_NAME_S di
#elif defined (TO_TI) && HAVE_TI == 1 && !defined (FROM_TI)
#define TO_TYPE 1 /* Signed integer. */
#define TO_INT_C_TYPE TItype
#define TO_SINT_C_TYPE TItype
#define TO_UINT_C_TYPE UTItype
#define TO_MODE_NAME_S ti
#elif defined (TO_UQI) && HAVE_UQI == 1 && !defined (FROM_UQI)
#define TO_TYPE 2 /* Unsigned integer. */
#define TO_INT_C_TYPE UQItype
#define TO_SINT_C_TYPE QItype
#define TO_UINT_C_TYPE UQItype
#define TO_MODE_NAME_S qi
#elif defined (TO_UHI) && HAVE_UHI == 1 && !defined (FROM_UHI)
#define TO_TYPE 2 /* Unsigned integer. */
#define TO_INT_C_TYPE UHItype
#define TO_SINT_C_TYPE HItype
#define TO_UINT_C_TYPE UHItype
#define TO_MODE_NAME_S hi
#elif defined (TO_USI) && HAVE_USI == 1 && !defined (FROM_USI)
#define TO_TYPE 2 /* Unsigned integer. */
#define TO_INT_C_TYPE USItype
#define TO_SINT_C_TYPE SItype
#define TO_UINT_C_TYPE USItype
#define TO_MODE_NAME_S si
#elif defined (TO_UDI) && HAVE_UDI == 1 && !defined (FROM_UDI)
#define TO_TYPE 2 /* Unsigned integer. */
#define TO_INT_C_TYPE UDItype
#define TO_SINT_C_TYPE DItype
#define TO_UINT_C_TYPE UDItype
#define TO_MODE_NAME_S di
#elif defined (TO_UTI) && HAVE_UTI == 1 && !defined (FROM_UTI)
#define TO_TYPE 2 /* Unsigned integer. */
#define TO_INT_C_TYPE UTItype
#define TO_SINT_C_TYPE TItype
#define TO_UINT_C_TYPE UTItype
#define TO_MODE_NAME_S ti
#elif defined (TO_SF) && HAVE_SF == 1 && !defined (FROM_SF)
#define TO_TYPE 3 /* Floating-point. */
#define TO_FLOAT_C_TYPE SFtype
#define TO_MODE_NAME_S sf
#elif defined (TO_DF) && HAVE_DF == 1 && !defined (FROM_DF)
#define TO_TYPE 3 /* Floating-point. */
#define TO_FLOAT_C_TYPE DFtype
#define TO_MODE_NAME_S df
#elif defined (TO_QQ) && HAVE_QQ == 1 && !defined (FROM_QQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME QQ
#define TO_MODE_NAME_S qq
#define TO_INT_C_TYPE QItype
#define TO_SINT_C_TYPE QItype
#define TO_UINT_C_TYPE UQItype
#define TO_MODE_UNSIGNED 0
#define TO_FIXED_SIZE 1 /* in bytes. */
#elif defined (TO_HQ) && HAVE_HQ == 1 && !defined (FROM_HQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME HQ
#define TO_MODE_NAME_S hq
#define TO_INT_C_TYPE HItype
#define TO_SINT_C_TYPE HItype
#define TO_UINT_C_TYPE UHItype
#define TO_MODE_UNSIGNED 0
#define TO_FIXED_SIZE 2 /* in bytes. */
#elif defined (TO_SQ) && HAVE_SQ == 1 && !defined (FROM_SQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME SQ
#define TO_MODE_NAME_S sq
#define TO_INT_C_TYPE SItype
#define TO_SINT_C_TYPE SItype
#define TO_UINT_C_TYPE USItype
#define TO_MODE_UNSIGNED 0
#define TO_FIXED_SIZE 4 /* in bytes. */
#elif defined (TO_DQ) && HAVE_DQ == 1 && !defined (FROM_DQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME DQ
#define TO_MODE_NAME_S dq
#define TO_INT_C_TYPE DItype
#define TO_SINT_C_TYPE DItype
#define TO_UINT_C_TYPE UDItype
#define TO_MODE_UNSIGNED 0
#define TO_FIXED_SIZE 8 /* in bytes. */
#elif defined (TO_TQ) && HAVE_TQ == 1 && !defined (FROM_TQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME TQ
#define TO_MODE_NAME_S tq
#define TO_INT_C_TYPE TItype
#define TO_SINT_C_TYPE TItype
#define TO_UINT_C_TYPE UTItype
#define TO_MODE_UNSIGNED 0
#define TO_FIXED_SIZE 16 /* in bytes. */
#elif defined (TO_UQQ) && HAVE_UQQ == 1 && !defined (FROM_UQQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME UQQ
#define TO_MODE_NAME_S uqq
#define TO_INT_C_TYPE UQItype
#define TO_SINT_C_TYPE QItype
#define TO_UINT_C_TYPE UQItype
#define TO_MODE_UNSIGNED 1
#define TO_FIXED_SIZE 1 /* in bytes. */
#elif defined (TO_UHQ) && HAVE_UHQ == 1 && !defined (FROM_UHQ)
#define TO_TYPE 4 /* Fixed-point. */
#define TO_MODE_NAME UHQ
#define TO_MODE_NAME_S uhq
#define TO_INT_C_TYPE UHItype
#define TO_SINT_C_TYPE HItype
#define TO_UINT_C_TYPE UHItype
#define TO_MODE_UNSIGNED 1
#define TO_FIXED_SIZE 2 /* in bytes. */
#elif defined (TO_USQ) && HAVE_USQ == 1 && !defined (FROM_USQ)
#define TO_TYPE 4 /* Fixed-point. */