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Diffstat (limited to 'gcc-4.9/libgcc/dfp-bit.h')
| -rw-r--r-- | gcc-4.9/libgcc/dfp-bit.h | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/dfp-bit.h b/gcc-4.9/libgcc/dfp-bit.h new file mode 100644 index 000000000..89dbd8fe8 --- /dev/null +++ b/gcc-4.9/libgcc/dfp-bit.h @@ -0,0 +1,626 @@ +/* Header file for dfp-bit.c. + Copyright (C) 2005-2014 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 _DFPBIT_H +#define _DFPBIT_H + +#include <float.h> +#include <fenv.h> +#include <decRound.h> +#include <decExcept.h> +#include "tconfig.h" +#include "coretypes.h" +#include "tm.h" +#include "libgcc_tm.h" + +#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE +#endif + +/* We need to know the size of long double that the C library supports. + Don't use LIBGCC2_HAS_XF_MODE or LIBGCC2_HAS_TF_MODE here because + some targets set both of those. */ + +#define LONG_DOUBLE_HAS_XF_MODE \ + (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80) + +#define LONG_DOUBLE_HAS_TF_MODE \ + (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128) + +/* Depending on WIDTH, define a number of macros: + + DFP_C_TYPE: type of the arguments to the libgcc functions; + (eg _Decimal32) + + IEEE_TYPE: the corresponding (encoded) IEEE754 type; + (eg decimal32) + + TO_INTERNAL: the name of the decNumber function to convert an + encoded value into the decNumber internal representation; + + TO_ENCODED: the name of the decNumber function to convert an + internally represented decNumber into the encoded + representation. + + FROM_STRING: the name of the decNumber function to read an + encoded value from a string. + + TO_STRING: the name of the decNumber function to write an + encoded value to a string. */ + +#if WIDTH == 32 +#define DFP_C_TYPE _Decimal32 +#define IEEE_TYPE decimal32 +#define HOST_TO_IEEE __host_to_ieee_32 +#define IEEE_TO_HOST __ieee_to_host_32 +#define TO_INTERNAL __decimal32ToNumber +#define TO_ENCODED __decimal32FromNumber +#define FROM_STRING __decimal32FromString +#define TO_STRING __decimal32ToString +#elif WIDTH == 64 +#define DFP_C_TYPE _Decimal64 +#define IEEE_TYPE decimal64 +#define HOST_TO_IEEE __host_to_ieee_64 +#define IEEE_TO_HOST __ieee_to_host_64 +#define TO_INTERNAL __decimal64ToNumber +#define TO_ENCODED __decimal64FromNumber +#define FROM_STRING __decimal64FromString +#define TO_STRING __decimal64ToString +#elif WIDTH == 128 +#define DFP_C_TYPE _Decimal128 +#define IEEE_TYPE decimal128 +#define HOST_TO_IEEE __host_to_ieee_128 +#define IEEE_TO_HOST __ieee_to_host_128 +#define TO_INTERNAL __decimal128ToNumber +#define TO_ENCODED __decimal128FromNumber +#define FROM_STRING __decimal128FromString +#define TO_STRING __decimal128ToString +#else +#error invalid decimal float word width +#endif + +/* We define __DEC_EVAL_METHOD__ to 2, saying that we evaluate all + operations and constants to the range and precision of the _Decimal128 + type. Make it so. */ +#if WIDTH == 32 +#define CONTEXT_INIT DEC_INIT_DECIMAL32 +#elif WIDTH == 64 +#define CONTEXT_INIT DEC_INIT_DECIMAL64 +#elif WIDTH == 128 +#define CONTEXT_INIT DEC_INIT_DECIMAL128 +#endif + +#ifndef DFP_INIT_ROUNDMODE +#define DFP_INIT_ROUNDMODE(A) A = DEC_ROUND_HALF_EVEN +#endif + +#ifdef DFP_EXCEPTIONS_ENABLED +/* Return IEEE exception flags based on decNumber status flags. */ +#define DFP_IEEE_FLAGS(DEC_FLAGS) __extension__ \ +({int _fe_flags = 0; \ + if ((dec_flags & DEC_IEEE_854_Division_by_zero) != 0) \ + _fe_flags |= FE_DIVBYZERO; \ + if ((dec_flags & DEC_IEEE_854_Inexact) != 0) \ + _fe_flags |= FE_INEXACT; \ + if ((dec_flags & DEC_IEEE_854_Invalid_operation) != 0) \ + _fe_flags |= FE_INVALID; \ + if ((dec_flags & DEC_IEEE_854_Overflow) != 0) \ + _fe_flags |= FE_OVERFLOW; \ + if ((dec_flags & DEC_IEEE_854_Underflow) != 0) \ + _fe_flags |= FE_UNDERFLOW; \ + _fe_flags; }) +#else +#define DFP_EXCEPTIONS_ENABLED 0 +#define DFP_IEEE_FLAGS(A) 0 +#define DFP_HANDLE_EXCEPTIONS(A) do {} while (0) +#endif + +/* Conversions between different decimal float types use WIDTH_TO to + determine additional macros to define. */ + +#if defined (L_dd_to_sd) || defined (L_td_to_sd) +#define WIDTH_TO 32 +#elif defined (L_sd_to_dd) || defined (L_td_to_dd) +#define WIDTH_TO 64 +#elif defined (L_sd_to_td) || defined (L_dd_to_td) +#define WIDTH_TO 128 +#endif + +/* If WIDTH_TO is defined, define additional macros: + + DFP_C_TYPE_TO: type of the result of dfp to dfp conversion. + + IEEE_TYPE_TO: the corresponding (encoded) IEEE754 type. + + TO_ENCODED_TO: the name of the decNumber function to convert an + internally represented decNumber into the encoded representation + for the destination. */ + +#if WIDTH_TO == 32 +#define DFP_C_TYPE_TO _Decimal32 +#define IEEE_TYPE_TO decimal32 +#define TO_ENCODED_TO __decimal32FromNumber +#define IEEE_TO_HOST_TO __ieee_to_host_32 +#elif WIDTH_TO == 64 +#define DFP_C_TYPE_TO _Decimal64 +#define IEEE_TYPE_TO decimal64 +#define TO_ENCODED_TO __decimal64FromNumber +#define IEEE_TO_HOST_TO __ieee_to_host_64 +#elif WIDTH_TO == 128 +#define DFP_C_TYPE_TO _Decimal128 +#define IEEE_TYPE_TO decimal128 +#define TO_ENCODED_TO __decimal128FromNumber +#define IEEE_TO_HOST_TO __ieee_to_host_128 +#endif + +/* Conversions between decimal float types and integral types use INT_KIND + to determine the data type and C functions to use. */ + +#if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ + || defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) +#define INT_KIND 1 +#elif defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ + || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) +#define INT_KIND 2 +#elif defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ + || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) +#define INT_KIND 3 +#elif defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) \ + || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) +#define INT_KIND 4 +#endif + +/* If INT_KIND is defined, define additional macros: + + INT_TYPE: The integer data type. + + INT_FMT: The format string for writing the integer to a string. + + CAST_FOR_FMT: Cast variable of INT_KIND to C type for sprintf. + This works for ILP32 and LP64, won't for other type size systems. + + STR_TO_INT: The function to read the integer from a string. */ + +#if INT_KIND == 1 +#define INT_TYPE SItype +#define INT_FMT "%d" +#define CAST_FOR_FMT(A) (int)A +#define STR_TO_INT strtol +#elif INT_KIND == 2 +#define INT_TYPE DItype +#define INT_FMT "%lld" +#define CAST_FOR_FMT(A) (long long)A +#define STR_TO_INT strtoll +#elif INT_KIND == 3 +#define INT_TYPE USItype +#define INT_FMT "%u" +#define CAST_FOR_FMT(A) (unsigned int)A +#define STR_TO_INT strtoul +#elif INT_KIND == 4 +#define INT_TYPE UDItype +#define INT_FMT "%llu" +#define CAST_FOR_FMT(A) (unsigned long long)A +#define STR_TO_INT strtoull +#endif + +/* Conversions between decimal float types and binary float types use + BFP_KIND to determine the data type and C functions to use. */ + +#if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ + || defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) +#define BFP_KIND 1 +#elif defined (L_sd_to_df) || defined (L_dd_to_df ) || defined (L_td_to_df) \ + || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) +#define BFP_KIND 2 +#elif defined (L_sd_to_xf) || defined (L_dd_to_xf ) || defined (L_td_to_xf) \ + || defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td) +#define BFP_KIND 3 +#elif defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf) \ + || defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td) +#define BFP_KIND 4 +#endif + +/* If BFP_KIND is defined, define additional macros: + + BFP_TYPE: The binary floating point data type. + + BFP_FMT: The format string for writing the value to a string. + The number of decimal digits printed is + ceil (nbits / log2 (10.) + 1) + as described in David Matula's CACM 19(3) 716-723 June 1968 paper. + + BFP_VIA_TYPE: Type to which to cast a variable of BPF_TYPE for a + call to sprintf. + + STR_TO_BFP: The function to read the value from a string. */ + +#if BFP_KIND == 1 +#define BFP_TYPE SFtype +#define BFP_FMT "%.9e" +#define BFP_VIA_TYPE double +#define STR_TO_BFP strtof + +#elif BFP_KIND == 2 +#define BFP_TYPE DFtype +#define BFP_FMT "%.17e" +#define BFP_VIA_TYPE double +#define STR_TO_BFP strtod + +#elif BFP_KIND == 3 +#if LONG_DOUBLE_HAS_XF_MODE +#define BFP_TYPE XFtype +#define BFP_FMT "%.21Le" +#define BFP_VIA_TYPE long double +#define STR_TO_BFP strtold +#endif /* LONG_DOUBLE_HAS_XF_MODE */ + +#elif BFP_KIND == 4 +#if LONG_DOUBLE_HAS_TF_MODE +#define BFP_TYPE TFtype +#if LDBL_MANT_DIG == 106 +#define BFP_FMT "%.33Le" +#elif LDBL_MANT_DIG == 113 +#define BFP_FMT "%.36Le" +#else +#error "unknown long double size, cannot define BFP_FMT" +#endif /* LDBL_MANT_DIG */ +#define STR_TO_BFP strtold +#define BFP_VIA_TYPE long double +#endif /* LONG_DOUBLE_HAS_TF_MODE */ + +#endif /* BFP_KIND */ + +#if WIDTH == 128 || WIDTH_TO == 128 +#include "decimal128.h" +#include "decQuad.h" +#endif +#if WIDTH == 64 || WIDTH_TO == 64 +#include "decimal64.h" +#include "decDouble.h" +#endif +#if WIDTH == 32 || WIDTH_TO == 32 +#include "decimal32.h" +#include "decSingle.h" +#endif +#include "decNumber.h" + +/* Names of arithmetic functions. */ + +#if ENABLE_DECIMAL_BID_FORMAT +#define DPD_BID_NAME(DPD,BID) BID +#else +#define DPD_BID_NAME(DPD,BID) DPD +#endif + +#if WIDTH == 32 +#define DFP_ADD DPD_BID_NAME(__dpd_addsd3,__bid_addsd3) +#define DFP_SUB DPD_BID_NAME(__dpd_subsd3,__bid_subsd3) +#define DFP_MULTIPLY DPD_BID_NAME(__dpd_mulsd3,__bid_mulsd3) +#define DFP_DIVIDE DPD_BID_NAME(__dpd_divsd3,__bid_divsd3) +#define DFP_EQ DPD_BID_NAME(__dpd_eqsd2,__bid_eqsd2) +#define DFP_NE DPD_BID_NAME(__dpd_nesd2,__bid_nesd2) +#define DFP_LT DPD_BID_NAME(__dpd_ltsd2,__bid_ltsd2) +#define DFP_GT DPD_BID_NAME(__dpd_gtsd2,__bid_gtsd2) +#define DFP_LE DPD_BID_NAME(__dpd_lesd2,__bid_lesd2) +#define DFP_GE DPD_BID_NAME(__dpd_gesd2,__bid_gesd2) +#define DFP_UNORD DPD_BID_NAME(__dpd_unordsd2,__bid_unordsd2) +#elif WIDTH == 64 +#define DFP_ADD DPD_BID_NAME(__dpd_adddd3,__bid_adddd3) +#define DFP_SUB DPD_BID_NAME(__dpd_subdd3,__bid_subdd3) +#define DFP_MULTIPLY DPD_BID_NAME(__dpd_muldd3,__bid_muldd3) +#define DFP_DIVIDE DPD_BID_NAME(__dpd_divdd3,__bid_divdd3) +#define DFP_EQ DPD_BID_NAME(__dpd_eqdd2,__bid_eqdd2) +#define DFP_NE DPD_BID_NAME(__dpd_nedd2,__bid_nedd2) +#define DFP_LT DPD_BID_NAME(__dpd_ltdd2,__bid_ltdd2) +#define DFP_GT DPD_BID_NAME(__dpd_gtdd2,__bid_gtdd2) +#define DFP_LE DPD_BID_NAME(__dpd_ledd2,__bid_ledd2) +#define DFP_GE DPD_BID_NAME(__dpd_gedd2,__bid_gedd2) +#define DFP_UNORD DPD_BID_NAME(__dpd_unorddd2,__bid_unorddd2) +#elif WIDTH == 128 +#define DFP_ADD DPD_BID_NAME(__dpd_addtd3,__bid_addtd3) +#define DFP_SUB DPD_BID_NAME(__dpd_subtd3,__bid_subtd3) +#define DFP_MULTIPLY DPD_BID_NAME(__dpd_multd3,__bid_multd3) +#define DFP_DIVIDE DPD_BID_NAME(__dpd_divtd3,__bid_divtd3) +#define DFP_EQ DPD_BID_NAME(__dpd_eqtd2,__bid_eqtd2) +#define DFP_NE DPD_BID_NAME(__dpd_netd2,__bid_netd2) +#define DFP_LT DPD_BID_NAME(__dpd_lttd2,__bid_lttd2) +#define DFP_GT DPD_BID_NAME(__dpd_gttd2,__bid_gttd2) +#define DFP_LE DPD_BID_NAME(__dpd_letd2,__bid_letd2) +#define DFP_GE DPD_BID_NAME(__dpd_getd2,__bid_getd2) +#define DFP_UNORD DPD_BID_NAME(__dpd_unordtd2,__bid_unordtd2) +#endif + +/* Names of decNumber functions for DPD arithmetic. */ + +#if WIDTH == 32 +#define decFloat decDouble +#define DFP_BINARY_OP d32_binary_op +#define DFP_COMPARE_OP d32_compare_op +#define DEC_FLOAT_ADD decDoubleAdd +#define DEC_FLOAT_SUBTRACT decDoubleSubtract +#define DEC_FLOAT_MULTIPLY decDoubleMultiply +#define DEC_FLOAT_DIVIDE decDoubleDivide +#define DEC_FLOAT_COMPARE decDoubleCompare +#define DEC_FLOAT_IS_ZERO decDoubleIsZero +#define DEC_FLOAT_IS_NAN decDoubleIsNaN +#define DEC_FLOAT_IS_SIGNED decDoubleIsSigned +#elif WIDTH == 64 +#define DFP_BINARY_OP dnn_binary_op +#define DFP_COMPARE_OP dnn_compare_op +#define decFloat decDouble +#define DEC_FLOAT_ADD decDoubleAdd +#define DEC_FLOAT_SUBTRACT decDoubleSubtract +#define DEC_FLOAT_MULTIPLY decDoubleMultiply +#define DEC_FLOAT_DIVIDE decDoubleDivide +#define DEC_FLOAT_COMPARE decDoubleCompare +#define DEC_FLOAT_IS_ZERO decDoubleIsZero +#define DEC_FLOAT_IS_NAN decDoubleIsNaN +#define DEC_FLOAT_IS_SIGNED decDoubleIsSigned +#elif WIDTH == 128 +#define DFP_BINARY_OP dnn_binary_op +#define DFP_COMPARE_OP dnn_compare_op +#define decFloat decQuad +#define DEC_FLOAT_ADD decQuadAdd +#define DEC_FLOAT_SUBTRACT decQuadSubtract +#define DEC_FLOAT_MULTIPLY decQuadMultiply +#define DEC_FLOAT_DIVIDE decQuadDivide +#define DEC_FLOAT_COMPARE decQuadCompare +#define DEC_FLOAT_IS_ZERO decQuadIsZero +#define DEC_FLOAT_IS_NAN decQuadIsNaN +#define DEC_FLOAT_IS_SIGNED decQuadIsSigned +#endif + +/* Names of functions to convert between different decimal float types. */ + +#if WIDTH == 32 +#if WIDTH_TO == 64 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsddd2,__bid_extendsddd2) +#elif WIDTH_TO == 128 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsdtd2,__bid_extendsdtd2) +#endif +#elif WIDTH == 64 +#if WIDTH_TO == 32 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_truncddsd2,__bid_truncddsd2) +#elif WIDTH_TO == 128 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_extendddtd2,__bid_extendddtd2) +#endif +#elif WIDTH == 128 +#if WIDTH_TO == 32 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctdsd2,__bid_trunctdsd2) +#elif WIDTH_TO == 64 +#define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctddd2,__bid_trunctddd2) +#endif +#endif + +/* Names of functions to convert between decimal float and integers. */ + +#if WIDTH == 32 +#if INT_KIND == 1 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatsisd,__bid_floatsisd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixsdsi,__bid_fixsdsi) +#define DEC_FLOAT_FROM_INT decDoubleFromInt32 +#define DEC_FLOAT_TO_INT decDoubleToInt32 +#elif INT_KIND == 2 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatdisd,__bid_floatdisd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixsddi,__bid_fixsddi) +#elif INT_KIND == 3 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssisd,__bid_floatunssisd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssdsi,__bid_fixunssdsi) +#define DEC_FLOAT_FROM_INT decDoubleFromUInt32 +#define DEC_FLOAT_TO_INT decDoubleToUInt32 +#elif INT_KIND == 4 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdisd,__bid_floatunsdisd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssddi,__bid_fixunssddi) +#endif +#elif WIDTH == 64 +#define decFloat decDouble +#if INT_KIND == 1 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatsidd,__bid_floatsidd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixddsi,__bid_fixddsi) +#define DEC_FLOAT_FROM_INT decDoubleFromInt32 +#define DEC_FLOAT_TO_INT decDoubleToInt32 +#elif INT_KIND == 2 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatdidd,__bid_floatdidd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixdddi,__bid_fixdddi) +#elif INT_KIND == 3 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssidd,__bid_floatunssidd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsddsi,__bid_fixunsddsi) +#define DEC_FLOAT_FROM_INT decDoubleFromUInt32 +#define DEC_FLOAT_TO_INT decDoubleToUInt32 +#elif INT_KIND == 4 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdidd,__bid_floatunsdidd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsdddi,__bid_fixunsdddi) +#endif +#elif WIDTH == 128 +#define decFloat decQuad +#if INT_KIND == 1 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatsitd,__bid_floatsitd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixtdsi,__bid_fixtdsi) +#define DEC_FLOAT_FROM_INT decQuadFromInt32 +#define DEC_FLOAT_TO_INT decQuadToInt32 +#elif INT_KIND == 2 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatditd,__bid_floatditd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixtddi,__bid_fixtddi) +#elif INT_KIND == 3 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssitd,__bid_floatunssitd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstdsi,__bid_fixunstdsi) +#define DEC_FLOAT_FROM_INT decQuadFromUInt32 +#define DEC_FLOAT_TO_INT decQuadToUInt32 +#elif INT_KIND == 4 +#define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsditd,__bid_floatunsditd) +#define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstddi,__bid_fixunstddi) +#endif +#endif + +/* Names of functions to convert between decimal float and binary float. */ + +#if WIDTH == 32 +#if BFP_KIND == 1 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfsd,__bid_extendsfsd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_truncsdsf,__bid_truncsdsf) +#elif BFP_KIND == 2 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_truncdfsd,__bid_truncdfsd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsddf,__bid_extendsddf) +#elif BFP_KIND == 3 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfsd,__bid_truncxfsd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdxf,__bid_extendsdxf) +#elif BFP_KIND == 4 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfsd,__bid_trunctfsd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdtf,__bid_extendsdtf) +#endif /* BFP_KIND */ + +#elif WIDTH == 64 +#if BFP_KIND == 1 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfdd,__bid_extendsfdd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_truncddsf,__bid_truncddsf) +#elif BFP_KIND == 2 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddfdd,__bid_extenddfdd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_truncdddf,__bid_truncdddf) +#elif BFP_KIND == 3 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfdd,__bid_truncxfdd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddxf,__bid_extendddxf) +#elif BFP_KIND == 4 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfdd,__bid_trunctfdd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddtf,__bid_extendddtf) +#endif /* BFP_KIND */ + +#elif WIDTH == 128 +#if BFP_KIND == 1 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsftd,__bid_extendsftd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdsf,__bid_trunctdsf) +#elif BFP_KIND == 2 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddftd,__bid_extenddftd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctddf,__bid_trunctddf) +#elif BFP_KIND == 3 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extendxftd,__bid_extendxftd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdxf,__bid_trunctdxf) +#elif BFP_KIND == 4 +#define BFP_TO_DFP DPD_BID_NAME(__dpd_extendtftd,__bid_extendtftd) +#define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdtf,__bid_trunctdtf) +#endif /* BFP_KIND */ + +#endif /* WIDTH */ + +/* Some handy typedefs. */ + +typedef float SFtype __attribute__ ((mode (SF))); +typedef float DFtype __attribute__ ((mode (DF))); +#if LONG_DOUBLE_HAS_XF_MODE +typedef float XFtype __attribute__ ((mode (XF))); +#endif /* LONG_DOUBLE_HAS_XF_MODE */ +#if LONG_DOUBLE_HAS_TF_MODE +typedef float TFtype __attribute__ ((mode (TF))); +#endif /* LONG_DOUBLE_HAS_TF_MODE */ + +typedef int SItype __attribute__ ((mode (SI))); +typedef int DItype __attribute__ ((mode (DI))); +typedef unsigned int USItype __attribute__ ((mode (SI))); +typedef unsigned int UDItype __attribute__ ((mode (DI))); + +/* The type of the result of a decimal float comparison. This must + match `__libgcc_cmp_return__' in GCC for the target. */ + +typedef int CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); + +/* Prototypes. */ + +#if defined (L_mul_sd) || defined (L_mul_dd) || defined (L_mul_td) +extern DFP_C_TYPE DFP_MULTIPLY (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_div_sd) || defined (L_div_dd) || defined (L_div_td) +extern DFP_C_TYPE DFP_DIVIDE (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_addsub_sd) || defined (L_addsub_dd) || defined (L_addsub_td) +extern DFP_C_TYPE DFP_ADD (DFP_C_TYPE, DFP_C_TYPE); +extern DFP_C_TYPE DFP_SUB (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_eq_sd) || defined (L_eq_dd) || defined (L_eq_td) +extern CMPtype DFP_EQ (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_ne_sd) || defined (L_ne_dd) || defined (L_ne_td) +extern CMPtype DFP_NE (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_lt_sd) || defined (L_lt_dd) || defined (L_lt_td) +extern CMPtype DFP_LT (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_gt_sd) || defined (L_gt_dd) || defined (L_gt_td) +extern CMPtype DFP_GT (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_le_sd) || defined (L_le_dd) || defined (L_le_td) +extern CMPtype DFP_LE (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_ge_sd) || defined (L_ge_dd) || defined (L_ge_td) +extern CMPtype DFP_GE (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_unord_sd) || defined (L_unord_dd) || defined (L_unord_td) +extern CMPtype DFP_UNORD (DFP_C_TYPE, DFP_C_TYPE); +#endif + +#if defined (L_sd_to_dd) || defined (L_sd_to_td) || defined (L_dd_to_sd) \ + || defined (L_dd_to_td) || defined (L_td_to_sd) || defined (L_td_to_dd) +extern DFP_C_TYPE_TO DFP_TO_DFP (DFP_C_TYPE); +#endif + +#if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ + || defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ + || defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ + || defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) +extern INT_TYPE DFP_TO_INT (DFP_C_TYPE); +#endif + +#if defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) \ + || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) \ + || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) \ + || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) +extern DFP_C_TYPE INT_TO_DFP (INT_TYPE); +#endif + +#if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ + || defined (L_sd_to_df) || defined (L_dd_to_df) || defined (L_td_to_df) \ + || ((defined (L_sd_to_xf) || defined (L_dd_to_xf) || defined (L_td_to_xf)) \ + && LONG_DOUBLE_HAS_XF_MODE) \ + || ((defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf)) \ + && LONG_DOUBLE_HAS_TF_MODE) +extern BFP_TYPE DFP_TO_BFP (DFP_C_TYPE); +#endif + +#if defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) \ + || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) \ + || ((defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td)) \ + && LONG_DOUBLE_HAS_XF_MODE) \ + || ((defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td)) \ + && LONG_DOUBLE_HAS_TF_MODE) +extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE); +#endif + +#endif /* _DFPBIT_H */ |