| /* This is a software fixed-point library. |
| Copyright (C) 2007-2024 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. */ |
| |
| #ifdef __LIBGCC_HAS_SF_MODE__ |
| #define LIBGCC2_HAS_SF_MODE 1 |
| #else |
| #define LIBGCC2_HAS_SF_MODE 0 |
| #endif |
| |
| #ifdef __LIBGCC_HAS_DF_MODE__ |
| #define LIBGCC2_HAS_DF_MODE 1 |
| #else |
| #define LIBGCC2_HAS_DF_MODE 0 |
| #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 * __CHAR_BIT__) /* 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. */ |
| #define TO_MODE_NAME USQ |
| #define TO_MODE_NAME_S usq |
| #define TO_INT_C_TYPE USItype |
| #define TO_SINT_C_TYPE SItype |
| #define TO_UINT_C_TYPE USItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 4 /* in bytes. */ |
| |
| #elif defined (TO_UDQ) && HAVE_UDQ == 1 && !defined (FROM_UDQ) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME UDQ |
| #define TO_MODE_NAME_S udq |
| #define TO_INT_C_TYPE UDItype |
| #define TO_SINT_C_TYPE DItype |
| #define TO_UINT_C_TYPE UDItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 8 /* in bytes. */ |
| |
| #elif defined (TO_UTQ) && HAVE_UTQ == 1 && !defined (FROM_UTQ) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME UTQ |
| #define TO_MODE_NAME_S utq |
| #define TO_INT_C_TYPE UTItype |
| #define TO_SINT_C_TYPE TItype |
| #define TO_UINT_C_TYPE UTItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 16 /* in bytes. */ |
| |
| #elif defined (TO_HA) && HAVE_HA == 1 && !defined (FROM_HA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME HA |
| #define TO_MODE_NAME_S ha |
| #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_SA) && HAVE_SA == 1 && !defined (FROM_SA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME SA |
| #define TO_MODE_NAME_S sa |
| #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_DA) && HAVE_DA == 1 && !defined (FROM_DA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME DA |
| #define TO_MODE_NAME_S da |
| #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_TA) && HAVE_TA == 1 && !defined (FROM_TA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME TA |
| #define TO_MODE_NAME_S ta |
| #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_UHA) && HAVE_UHA == 1 && !defined (FROM_UHA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME UHA |
| #define TO_MODE_NAME_S uha |
| #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_USA) && HAVE_USA == 1 && !defined (FROM_USA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME USA |
| #define TO_MODE_NAME_S usa |
| #define TO_INT_C_TYPE USItype |
| #define TO_SINT_C_TYPE SItype |
| #define TO_UINT_C_TYPE USItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 4 /* in bytes. */ |
| |
| #elif defined (TO_UDA) && HAVE_UDA == 1 && !defined (FROM_UDA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME UDA |
| #define TO_MODE_NAME_S uda |
| #define TO_INT_C_TYPE UDItype |
| #define TO_SINT_C_TYPE DItype |
| #define TO_UINT_C_TYPE UDItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 8 /* in bytes. */ |
| |
| #elif defined (TO_UTA) && HAVE_UTA == 1 && !defined (FROM_UTA) |
| #define TO_TYPE 4 /* Fixed-point. */ |
| #define TO_MODE_NAME UTA |
| #define TO_MODE_NAME_S uta |
| #define TO_INT_C_TYPE UTItype |
| #define TO_SINT_C_TYPE TItype |
| #define TO_UINT_C_TYPE UTItype |
| #define TO_MODE_UNSIGNED 1 |
| #define TO_FIXED_SIZE 16 /* in bytes. */ |
| |
| #endif |
| |
| #if defined (FROM_MODE_NAME_S) && defined (TO_MODE_NAME_S) |
| |
| #if FROM_TYPE == 1 /* Signed integer. */ |
| #define FROM_INT_WIDTH (FROM_INT_SIZE * __CHAR_BIT__) |
| #endif |
| |
| #if FROM_TYPE == 2 /* Unsigned integer. */ |
| #define FROM_INT_WIDTH (FROM_INT_SIZE * __CHAR_BIT__) |
| #endif |
| |
| #if FROM_TYPE == 4 /* Fixed-point. */ |
| #define FROM_FIXED_C_TYPE FIXED_C_TYPE2(FROM_MODE_NAME) |
| #define FROM_FBITS FBITS2(FROM_MODE_NAME) |
| #define FROM_FIXED_WIDTH (FROM_FIXED_SIZE * __CHAR_BIT__) |
| #define FROM_FBITS FBITS2(FROM_MODE_NAME) |
| #define FROM_IBITS IBITS2(FROM_MODE_NAME) |
| #define FROM_I_F_BITS (FROM_FBITS + FROM_IBITS) |
| |
| #if FROM_MODE_UNSIGNED == 0 /* Signed types. */ |
| #define FROM_PADDING_BITS (FROM_FIXED_WIDTH - 1 - FROM_I_F_BITS) |
| #define FROM_NONPADDING_BITS (1 + FROM_I_F_BITS) |
| #else /* Unsigned types. */ |
| #define FROM_PADDING_BITS (FROM_FIXED_WIDTH - FROM_I_F_BITS) |
| #define FROM_NONPADDING_BITS (FROM_I_F_BITS) |
| #endif |
| #define FROM_HAVE_PADDING_BITS (FROM_PADDING_BITS > 0) |
| #endif /* FROM_TYPE == 4 */ |
| |
| #if TO_TYPE == 4 /* Fixed-point. */ |
| #define TO_FIXED_C_TYPE FIXED_C_TYPE2(TO_MODE_NAME) |
| #define TO_FBITS FBITS2(TO_MODE_NAME) |
| #define TO_FIXED_WIDTH (TO_FIXED_SIZE * __CHAR_BIT__) |
| #define TO_FBITS FBITS2(TO_MODE_NAME) |
| #define TO_IBITS IBITS2(TO_MODE_NAME) |
| #define TO_I_F_BITS (TO_FBITS + TO_IBITS) |
| |
| #if TO_MODE_UNSIGNED == 0 /* Signed types. */ |
| #define TO_PADDING_BITS (TO_FIXED_WIDTH - 1 - TO_I_F_BITS) |
| #define TO_NONPADDING_BITS (1 + TO_I_F_BITS) |
| #else /* Unsigned types. */ |
| #define TO_PADDING_BITS (TO_FIXED_WIDTH - TO_I_F_BITS) |
| #define TO_NONPADDING_BITS (TO_I_F_BITS) |
| #endif |
| #define TO_HAVE_PADDING_BITS (TO_PADDING_BITS > 0) |
| #endif /* TO_TYPE == 4 */ |
| |
| #ifdef LIBGCC2_FIXEDBIT_GNU_PREFIX |
| #define FIXED_CONVERT_OP(OP,FROM,TO) __gnu_ ## OP ## FROM ## TO |
| #define FIXED_CONVERT_OP2(OP,FROM,TO) __gnu_ ## OP ## FROM ## TO ## 2 |
| #else |
| #define FIXED_CONVERT_OP(OP,FROM,TO) __ ## OP ## FROM ## TO |
| #define FIXED_CONVERT_OP2(OP,FROM,TO) __ ## OP ## FROM ## TO ## 2 |
| #endif |
| #define FRACT_TEMP(N1,N2) FIXED_CONVERT_OP(fract,N1,N2) |
| #define FRACT2_TEMP(N1,N2) FIXED_CONVERT_OP2(fract,N1,N2) |
| #define SATFRACT_TEMP(N1,N2) FIXED_CONVERT_OP(satfract,N1,N2) |
| #define SATFRACT2_TEMP(N1,N2) FIXED_CONVERT_OP2(satfract,N1,N2) |
| #define FRACTUNS_TEMP(N1,N2) FIXED_CONVERT_OP(fractuns,N1,N2) |
| #define SATFRACTUNS_TEMP(N1,N2) FIXED_CONVERT_OP(satfractuns,N1,N2) |
| |
| /* Define conversions from fixed-point to fixed-point. */ |
| #if FROM_TYPE == 4 && TO_TYPE == 4 |
| |
| #if FROM_FIXED_SIZE > TO_FIXED_SIZE |
| #define BIG_SINT_C_TYPE FROM_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE FROM_UINT_C_TYPE |
| #define BIG_WIDTH FROM_FIXED_WIDTH |
| #else |
| #define BIG_SINT_C_TYPE TO_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE TO_UINT_C_TYPE |
| #define BIG_WIDTH TO_FIXED_WIDTH |
| #endif |
| |
| /* Check if FROM* and TO* are in the same machine class. */ |
| #if ((FROM_MODE_UNSIGNED == TO_MODE_UNSIGNED) \ |
| && ((FROM_IBITS == 0) == (TO_IBITS == 0))) |
| /* Same modes: append '2' to conversion function names */ |
| #define FRACT FRACT2_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #define SATFRACT SATFRACT2_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #else |
| /* Different modes: don't append '2' to conversion function names */ |
| #define FRACT FRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #define SATFRACT SATFRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #endif |
| |
| extern TO_FIXED_C_TYPE FRACT (FROM_FIXED_C_TYPE); |
| extern TO_FIXED_C_TYPE SATFRACT (FROM_FIXED_C_TYPE); |
| #endif /* FROM_TYPE == 4 && TO_TYPE == 4 */ |
| |
| /* Define conversions from fixed-point to signed integer. */ |
| #if FROM_TYPE == 4 && TO_TYPE == 1 |
| #define FRACT FRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_INT_C_TYPE FRACT (FROM_FIXED_C_TYPE); |
| #endif /* FROM_TYPE == 4 && TO_TYPE == 1 */ |
| |
| /* Define conversions from fixed-point to unsigned integer. */ |
| #if FROM_TYPE == 4 && TO_TYPE == 2 |
| #define FRACTUNS FRACTUNS_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_INT_C_TYPE FRACTUNS (FROM_FIXED_C_TYPE); |
| #endif /* FROM_TYPE == 4 && TO_TYPE == 2 */ |
| |
| /* Define conversions from fixed-point to floating-point. */ |
| #if FROM_TYPE == 4 && TO_TYPE == 3 |
| #define BASE1(NUM) 0x1.0p ## NUM |
| #define BASE2(NUM) BASE1(NUM) |
| #define BASE BASE2(FROM_FBITS) |
| #define FRACT FRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_FLOAT_C_TYPE FRACT (FROM_FIXED_C_TYPE); |
| #endif /* FROM_TYPE == 4 && TO_TYPE == 3 */ |
| |
| /* Define conversions from signed integer to fixed-point. */ |
| #if FROM_TYPE == 1 && TO_TYPE == 4 |
| |
| #if FROM_INT_SIZE > TO_FIXED_SIZE |
| #define BIG_SINT_C_TYPE FROM_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE FROM_UINT_C_TYPE |
| #define BIG_WIDTH FROM_INT_WIDTH |
| #else |
| #define BIG_SINT_C_TYPE TO_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE TO_UINT_C_TYPE |
| #define BIG_WIDTH TO_FIXED_WIDTH |
| #endif |
| |
| #define FRACT FRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #define SATFRACT SATFRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_FIXED_C_TYPE FRACT (FROM_INT_C_TYPE); |
| extern TO_FIXED_C_TYPE SATFRACT (FROM_INT_C_TYPE); |
| #endif /* FROM_TYPE == 1 && TO_TYPE == 4 */ |
| |
| /* Define conversions from unsigned integer to fixed-point. */ |
| #if FROM_TYPE == 2 && TO_TYPE == 4 |
| |
| #if FROM_INT_SIZE > TO_FIXED_SIZE |
| #define BIG_SINT_C_TYPE FROM_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE FROM_UINT_C_TYPE |
| #define BIG_WIDTH FROM_INT_WIDTH |
| #else |
| #define BIG_SINT_C_TYPE TO_SINT_C_TYPE |
| #define BIG_UINT_C_TYPE TO_UINT_C_TYPE |
| #define BIG_WIDTH TO_FIXED_WIDTH |
| #endif |
| |
| #define FRACTUNS FRACTUNS_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #define SATFRACTUNS SATFRACTUNS_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_FIXED_C_TYPE FRACTUNS (FROM_INT_C_TYPE); |
| extern TO_FIXED_C_TYPE SATFRACTUNS (FROM_INT_C_TYPE); |
| #endif /* FROM_TYPE == 2 && TO_TYPE == 4 */ |
| |
| /* Define conversions from floating-point to fixed-point. */ |
| #if FROM_TYPE == 3 && TO_TYPE == 4 |
| |
| #define BASE1(NUM) (0x1.0p ## NUM) |
| #define BASE2(NUM) BASE1(NUM) |
| #define BASE BASE2(TO_FBITS) |
| |
| #define FIXED_MAX1(NUM1,NUM2) (0x1.0p ## NUM1 - 0x1.0p- ## NUM2) |
| #define FIXED_MAX2(NUM1,NUM2) FIXED_MAX1(NUM1,NUM2) |
| #define FIXED_MAX FIXED_MAX2(TO_IBITS,TO_FBITS) |
| |
| #define FIXED_MIN1(NUM) (-0x1.0p ## NUM) |
| #define FIXED_MIN2(NUM) FIXED_MIN1(NUM) |
| #if TO_MODE_UNSIGNED == 0 |
| #define FIXED_MIN FIXED_MIN2(TO_IBITS) |
| #else |
| #define FIXED_MIN 0.0 |
| #endif |
| |
| #define FRACT FRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| #define SATFRACT SATFRACT_TEMP(FROM_MODE_NAME_S,TO_MODE_NAME_S) |
| extern TO_FIXED_C_TYPE FRACT (FROM_FLOAT_C_TYPE); |
| extern TO_FIXED_C_TYPE SATFRACT (FROM_FLOAT_C_TYPE); |
| #endif /* FROM_TYPE == 3 && TO_TYPE == 4 */ |
| |
| #endif /* defined (FROM_MODE_NAME_S) && defined (TO_MODE_NAME_S) */ |
| |
| #endif /* _FIXED_BIT_H */ |
