+++ /dev/null
-/* This is a software decimal floating point library.
- Copyright (C) 2005, 2006, 2007, 2008, 2009 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/>. */
-
-/* This implements IEEE 754 decimal floating point arithmetic, but
- does not provide a mechanism for setting the rounding mode, or for
- generating or handling exceptions. Conversions between decimal
- floating point types and other types depend on C library functions.
-
- Contributed by Ben Elliston <bje@au.ibm.com>. */
-
-#include <stdio.h>
-#include <stdlib.h>
-/* FIXME: compile with -std=gnu99 to get these from stdlib.h */
-extern float strtof (const char *, char **);
-extern long double strtold (const char *, char **);
-#include <string.h>
-#include <limits.h>
-
-#include "config/dfp-bit.h"
-
-/* Forward declarations. */
-#if WIDTH == 32 || WIDTH_TO == 32
-void __host_to_ieee_32 (_Decimal32 in, decimal32 *out);
-void __ieee_to_host_32 (decimal32 in, _Decimal32 *out);
-#endif
-#if WIDTH == 64 || WIDTH_TO == 64
-void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);
-void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);
-#endif
-#if WIDTH == 128 || WIDTH_TO == 128
-void __host_to_ieee_128 (_Decimal128 in, decimal128 *out);
-void __ieee_to_host_128 (decimal128 in, _Decimal128 *out);
-#endif
-
-/* A pointer to a binary decFloat operation. */
-typedef decFloat* (*dfp_binary_func)
- (decFloat *, const decFloat *, const decFloat *, decContext *);
-\f
-/* Binary operations. */
-
-/* Use a decFloat (decDouble or decQuad) function to perform a DFP
- binary operation. */
-static inline decFloat
-dfp_binary_op (dfp_binary_func op, decFloat arg_a, decFloat arg_b)
-{
- decFloat result;
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
-
- /* Perform the operation. */
- op (&result, &arg_a, &arg_b, &context);
-
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- {
- /* decNumber exception flags we care about here. */
- int ieee_flags;
- int dec_flags = DEC_IEEE_854_Division_by_zero | DEC_IEEE_854_Inexact
- | DEC_IEEE_854_Invalid_operation | DEC_IEEE_854_Overflow
- | DEC_IEEE_854_Underflow;
- dec_flags &= context.status;
- ieee_flags = DFP_IEEE_FLAGS (dec_flags);
- if (ieee_flags != 0)
- DFP_HANDLE_EXCEPTIONS (ieee_flags);
- }
-
- return result;
-}
-
-#if WIDTH == 32
-/* The decNumber package doesn't provide arithmetic for decSingle (32 bits);
- convert to decDouble, use the operation for that, and convert back. */
-static inline _Decimal32
-d32_binary_op (dfp_binary_func op, _Decimal32 arg_a, _Decimal32 arg_b)
-{
- union { _Decimal32 c; decSingle f; } a32, b32, res32;
- decDouble a, b, res;
- decContext context;
-
- /* Widen the operands and perform the operation. */
- a32.c = arg_a;
- b32.c = arg_b;
- decSingleToWider (&a32.f, &a);
- decSingleToWider (&b32.f, &b);
- res = dfp_binary_op (op, a, b);
-
- /* Narrow the result, which might result in an underflow or overflow. */
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
- decSingleFromWider (&res32.f, &res, &context);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- {
- /* decNumber exception flags we care about here. */
- int ieee_flags;
- int dec_flags = DEC_IEEE_854_Inexact | DEC_IEEE_854_Overflow
- | DEC_IEEE_854_Underflow;
- dec_flags &= context.status;
- ieee_flags = DFP_IEEE_FLAGS (dec_flags);
- if (ieee_flags != 0)
- DFP_HANDLE_EXCEPTIONS (ieee_flags);
- }
-
- return res32.c;
-}
-#else
-/* decFloat operations are supported for decDouble (64 bits) and
- decQuad (128 bits). The bit patterns for the types are the same. */
-static inline DFP_C_TYPE
-dnn_binary_op (dfp_binary_func op, DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- union { DFP_C_TYPE c; decFloat f; } a, b, result;
-
- a.c = arg_a;
- b.c = arg_b;
- result.f = dfp_binary_op (op, a.f, b.f);
- return result.c;
-}
-#endif
-
-/* Comparison operations. */
-
-/* Use a decFloat (decDouble or decQuad) function to perform a DFP
- comparison. */
-static inline CMPtype
-dfp_compare_op (dfp_binary_func op, decFloat arg_a, decFloat arg_b)
-{
- decContext context;
- decFloat res;
- int result;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
-
- /* Perform the comparison. */
- op (&res, &arg_a, &arg_b, &context);
-
- if (DEC_FLOAT_IS_SIGNED (&res))
- result = -1;
- else if (DEC_FLOAT_IS_ZERO (&res))
- result = 0;
- else if (DEC_FLOAT_IS_NAN (&res))
- result = -2;
- else
- result = 1;
-
- return (CMPtype) result;
-}
-
-#if WIDTH == 32
-/* The decNumber package doesn't provide comparisons for decSingle (32 bits);
- convert to decDouble, use the operation for that, and convert back. */
-static inline CMPtype
-d32_compare_op (dfp_binary_func op, _Decimal32 arg_a, _Decimal32 arg_b)
-{
- union { _Decimal32 c; decSingle f; } a32, b32;
- decDouble a, b;
-
- a32.c = arg_a;
- b32.c = arg_b;
- decSingleToWider (&a32.f, &a);
- decSingleToWider (&b32.f, &b);
- return dfp_compare_op (op, a, b);
-}
-#else
-/* decFloat comparisons are supported for decDouble (64 bits) and
- decQuad (128 bits). The bit patterns for the types are the same. */
-static inline CMPtype
-dnn_compare_op (dfp_binary_func op, DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- union { DFP_C_TYPE c; decFloat f; } a, b;
-
- a.c = arg_a;
- b.c = arg_b;
- return dfp_compare_op (op, a.f, b.f);
-}
-#endif
-\f
-#if defined(L_conv_sd)
-void
-__host_to_ieee_32 (_Decimal32 in, decimal32 *out)
-{
- memcpy (out, &in, 4);
-}
-
-void
-__ieee_to_host_32 (decimal32 in, _Decimal32 *out)
-{
- memcpy (out, &in, 4);
-}
-#endif /* L_conv_sd */
-
-#if defined(L_conv_dd)
-void
-__host_to_ieee_64 (_Decimal64 in, decimal64 *out)
-{
- memcpy (out, &in, 8);
-}
-
-void
-__ieee_to_host_64 (decimal64 in, _Decimal64 *out)
-{
- memcpy (out, &in, 8);
-}
-#endif /* L_conv_dd */
-
-#if defined(L_conv_td)
-void
-__host_to_ieee_128 (_Decimal128 in, decimal128 *out)
-{
- memcpy (out, &in, 16);
-}
-
-void
-__ieee_to_host_128 (decimal128 in, _Decimal128 *out)
-{
- memcpy (out, &in, 16);
-}
-#endif /* L_conv_td */
-
-#if defined(L_addsub_sd) || defined(L_addsub_dd) || defined(L_addsub_td)
-DFP_C_TYPE
-DFP_ADD (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- return DFP_BINARY_OP (DEC_FLOAT_ADD, arg_a, arg_b);
-}
-
-DFP_C_TYPE
-DFP_SUB (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- return DFP_BINARY_OP (DEC_FLOAT_SUBTRACT, arg_a, arg_b);
-}
-#endif /* L_addsub */
-
-#if defined(L_mul_sd) || defined(L_mul_dd) || defined(L_mul_td)
-DFP_C_TYPE
-DFP_MULTIPLY (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- return DFP_BINARY_OP (DEC_FLOAT_MULTIPLY, arg_a, arg_b);
-}
-#endif /* L_mul */
-
-#if defined(L_div_sd) || defined(L_div_dd) || defined(L_div_td)
-DFP_C_TYPE
-DFP_DIVIDE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- return DFP_BINARY_OP (DEC_FLOAT_DIVIDE, arg_a, arg_b);
-}
-#endif /* L_div */
-
-#if defined (L_eq_sd) || defined (L_eq_dd) || defined (L_eq_td)
-CMPtype
-DFP_EQ (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- CMPtype stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For EQ return zero for true, nonzero for false. */
- return stat != 0;
-}
-#endif /* L_eq */
-
-#if defined (L_ne_sd) || defined (L_ne_dd) || defined (L_ne_td)
-CMPtype
-DFP_NE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- int stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For NE return zero for true, nonzero for false. */
- if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
- return 1;
- return stat != 0;
-}
-#endif /* L_ne */
-
-#if defined (L_lt_sd) || defined (L_lt_dd) || defined (L_lt_td)
-CMPtype
-DFP_LT (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- int stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For LT return -1 (<0) for true, 1 for false. */
- return (stat == -1) ? -1 : 1;
-}
-#endif /* L_lt */
-
-#if defined (L_gt_sd) || defined (L_gt_dd) || defined (L_gt_td)
-CMPtype
-DFP_GT (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- int stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For GT return 1 (>0) for true, -1 for false. */
- return (stat == 1) ? 1 : -1;
-}
-#endif
-
-#if defined (L_le_sd) || defined (L_le_dd) || defined (L_le_td)
-CMPtype
-DFP_LE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- int stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For LE return 0 (<= 0) for true, 1 for false. */
- if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
- return 1;
- return stat == 1;
-}
-#endif /* L_le */
-
-#if defined (L_ge_sd) || defined (L_ge_dd) || defined (L_ge_td)
-CMPtype
-DFP_GE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- int stat;
- stat = DFP_COMPARE_OP (DEC_FLOAT_COMPARE, arg_a, arg_b);
- /* For GE return 1 (>=0) for true, -1 for false. */
- if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
- return -1;
- return (stat != -1) ? 1 : -1;
-}
-#endif /* L_ge */
-
-#define BUFMAX 128
-
-/* Check for floating point exceptions that are relevant for conversions
- between decimal float values and handle them. */
-static inline void
-dfp_conversion_exceptions (const int status)
-{
- /* decNumber exception flags we care about here. */
- int ieee_flags;
- int dec_flags = DEC_IEEE_854_Inexact | DEC_IEEE_854_Invalid_operation
- | DEC_IEEE_854_Overflow;
- dec_flags &= status;
- ieee_flags = DFP_IEEE_FLAGS (dec_flags);
- if (ieee_flags != 0)
- DFP_HANDLE_EXCEPTIONS (ieee_flags);
-}
-
-#if defined (L_sd_to_dd)
-/* Use decNumber to convert directly from _Decimal32 to _Decimal64. */
-_Decimal64
-DFP_TO_DFP (_Decimal32 f_from)
-{
- union { _Decimal32 c; decSingle f; } from;
- union { _Decimal64 c; decDouble f; } to;
-
- from.c = f_from;
- to.f = *decSingleToWider (&from.f, &to.f);
- return to.c;
-}
-#endif
-
-#if defined (L_sd_to_td)
-/* Use decNumber to convert directly from _Decimal32 to _Decimal128. */
-_Decimal128
-DFP_TO_DFP (_Decimal32 f_from)
-{
- union { _Decimal32 c; decSingle f; } from;
- union { _Decimal128 c; decQuad f; } to;
- decDouble temp;
-
- from.c = f_from;
- temp = *decSingleToWider (&from.f, &temp);
- to.f = *decDoubleToWider (&temp, &to.f);
- return to.c;
-}
-#endif
-
-#if defined (L_dd_to_td)
-/* Use decNumber to convert directly from _Decimal64 to _Decimal128. */
-_Decimal128
-DFP_TO_DFP (_Decimal64 f_from)
-{
- union { _Decimal64 c; decDouble f; } from;
- union { _Decimal128 c; decQuad f; } to;
-
- from.c = f_from;
- to.f = *decDoubleToWider (&from.f, &to.f);
- return to.c;
-}
-#endif
-
-#if defined (L_dd_to_sd)
-/* Use decNumber to convert directly from _Decimal64 to _Decimal32. */
-_Decimal32
-DFP_TO_DFP (_Decimal64 f_from)
-{
- union { _Decimal32 c; decSingle f; } to;
- union { _Decimal64 c; decDouble f; } from;
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
- from.c = f_from;
- to.f = *decSingleFromWider (&to.f, &from.f, &context);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return to.c;
-}
-#endif
-
-#if defined (L_td_to_sd)
-/* Use decNumber to convert directly from _Decimal128 to _Decimal32. */
-_Decimal32
-DFP_TO_DFP (_Decimal128 f_from)
-{
- union { _Decimal32 c; decSingle f; } to;
- union { _Decimal128 c; decQuad f; } from;
- decDouble temp;
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
- from.c = f_from;
- temp = *decDoubleFromWider (&temp, &from.f, &context);
- to.f = *decSingleFromWider (&to.f, &temp, &context);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return to.c;
-}
-#endif
-
-#if defined (L_td_to_dd)
-/* Use decNumber to convert directly from _Decimal128 to _Decimal64. */
-_Decimal64
-DFP_TO_DFP (_Decimal128 f_from)
-{
- union { _Decimal64 c; decDouble f; } to;
- union { _Decimal128 c; decQuad f; } from;
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
- from.c = f_from;
- to.f = *decDoubleFromWider (&to.f, &from.f, &context);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return to.c;
-}
-#endif
-
-#if defined (L_dd_to_si) || defined (L_td_to_si) \
- || defined (L_dd_to_usi) || defined (L_td_to_usi)
-/* Use decNumber to convert directly from decimal float to integer types. */
-INT_TYPE
-DFP_TO_INT (DFP_C_TYPE x)
-{
- union { DFP_C_TYPE c; decFloat f; } u;
- decContext context;
- INT_TYPE i;
-
- decContextDefault (&context, DEC_INIT_DECIMAL128);
- context.round = DEC_ROUND_DOWN;
- u.c = x;
- i = DEC_FLOAT_TO_INT (&u.f, &context, context.round);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return i;
-}
-#endif
-
-#if defined (L_sd_to_si) || (L_sd_to_usi)
-/* Use decNumber to convert directly from decimal float to integer types. */
-INT_TYPE
-DFP_TO_INT (_Decimal32 x)
-{
- union { _Decimal32 c; decSingle f; } u32;
- decDouble f64;
- decContext context;
- INT_TYPE i;
-
- decContextDefault (&context, DEC_INIT_DECIMAL128);
- context.round = DEC_ROUND_DOWN;
- u32.c = x;
- f64 = *decSingleToWider (&u32.f, &f64);
- i = DEC_FLOAT_TO_INT (&f64, &context, context.round);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return i;
-}
-#endif
-
-#if defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \
- || defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi)
-/* decNumber doesn't provide support for conversions to 64-bit integer
- types, so do it the hard way. */
-INT_TYPE
-DFP_TO_INT (DFP_C_TYPE x)
-{
- /* decNumber's decimal* types have the same format as C's _Decimal*
- types, but they have different calling conventions. */
-
- /* TODO: Decimal float to integer conversions should raise FE_INVALID
- if the result value does not fit into the result type. */
-
- IEEE_TYPE s;
- char buf[BUFMAX];
- char *pos;
- decNumber qval, n1, n2;
- decContext context;
-
- /* Use a large context to avoid losing precision. */
- decContextDefault (&context, DEC_INIT_DECIMAL128);
- /* Need non-default rounding mode here. */
- context.round = DEC_ROUND_DOWN;
-
- HOST_TO_IEEE (x, &s);
- TO_INTERNAL (&s, &n1);
- /* Rescale if the exponent is less than zero. */
- decNumberToIntegralValue (&n2, &n1, &context);
- /* Get a value to use for the quantize call. */
- decNumberFromString (&qval, "1.", &context);
- /* Force the exponent to zero. */
- decNumberQuantize (&n1, &n2, &qval, &context);
- /* Get a string, which at this point will not include an exponent. */
- decNumberToString (&n1, buf);
- /* Ignore the fractional part. */
- pos = strchr (buf, '.');
- if (pos)
- *pos = 0;
- /* Use a C library function to convert to the integral type. */
- return STR_TO_INT (buf, NULL, 10);
-}
-#endif
-
-#if defined (L_si_to_dd) || defined (L_si_to_td) \
- || defined (L_usi_to_dd) || defined (L_usi_to_td)
-/* Use decNumber to convert directly from integer to decimal float types. */
-DFP_C_TYPE
-INT_TO_DFP (INT_TYPE i)
-{
- union { DFP_C_TYPE c; decFloat f; } u;
-
- u.f = *DEC_FLOAT_FROM_INT (&u.f, i);
- return u.c;
-}
-#endif
-
-#if defined (L_si_to_sd) || defined (L_usi_to_sd)
-_Decimal32
-/* Use decNumber to convert directly from integer to decimal float types. */
-INT_TO_DFP (INT_TYPE i)
-{
- union { _Decimal32 c; decSingle f; } u32;
- decDouble f64;
- decContext context;
-
- decContextDefault (&context, DEC_INIT_DECIMAL128);
- f64 = *DEC_FLOAT_FROM_INT (&f64, i);
- u32.f = *decSingleFromWider (&u32.f, &f64, &context);
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
- return u32.c;
-}
-#endif
-
-#if defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) \
- || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td)
-/* decNumber doesn't provide support for conversions from 64-bit integer
- types, so do it the hard way. */
-DFP_C_TYPE
-INT_TO_DFP (INT_TYPE i)
-{
- DFP_C_TYPE f;
- IEEE_TYPE s;
- char buf[BUFMAX];
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
-
- /* Use a C library function to get a floating point string. */
- sprintf (buf, INT_FMT ".", CAST_FOR_FMT(i));
- /* Convert from the floating point string to a decimal* type. */
- FROM_STRING (&s, buf, &context);
- IEEE_TO_HOST (s, &f);
-
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- dfp_conversion_exceptions (context.status);
-
- return f;
-}
-#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)
-BFP_TYPE
-DFP_TO_BFP (DFP_C_TYPE f)
-{
- IEEE_TYPE s;
- char buf[BUFMAX];
-
- HOST_TO_IEEE (f, &s);
- /* Write the value to a string. */
- TO_STRING (&s, buf);
- /* Read it as the binary floating point type and return that. */
- return STR_TO_BFP (buf, NULL);
-}
-#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)
-DFP_C_TYPE
-BFP_TO_DFP (BFP_TYPE x)
-{
- DFP_C_TYPE f;
- IEEE_TYPE s;
- char buf[BUFMAX];
- decContext context;
-
- decContextDefault (&context, CONTEXT_INIT);
- DFP_INIT_ROUNDMODE (context.round);
-
- /* Use a C library function to write the floating point value to a string. */
- sprintf (buf, BFP_FMT, (BFP_VIA_TYPE) x);
-
- /* Convert from the floating point string to a decimal* type. */
- FROM_STRING (&s, buf, &context);
- IEEE_TO_HOST (s, &f);
-
- if (DFP_EXCEPTIONS_ENABLED && context.status != 0)
- {
- /* decNumber exception flags we care about here. */
- int ieee_flags;
- int dec_flags = DEC_IEEE_854_Inexact | DEC_IEEE_854_Invalid_operation
- | DEC_IEEE_854_Overflow | DEC_IEEE_854_Underflow;
- dec_flags &= context.status;
- ieee_flags = DFP_IEEE_FLAGS (dec_flags);
- if (ieee_flags != 0)
- DFP_HANDLE_EXCEPTIONS (ieee_flags);
- }
-
- return f;
-}
-#endif
-
-#if defined (L_unord_sd) || defined (L_unord_dd) || defined (L_unord_td)
-CMPtype
-DFP_UNORD (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
-{
- decNumber arg1, arg2;
- IEEE_TYPE a, b;
-
- HOST_TO_IEEE (arg_a, &a);
- HOST_TO_IEEE (arg_b, &b);
- TO_INTERNAL (&a, &arg1);
- TO_INTERNAL (&b, &arg2);
- return (decNumberIsNaN (&arg1) || decNumberIsNaN (&arg2));
-}
-#endif /* L_unord_sd || L_unord_dd || L_unord_td */
+++ /dev/null
-/* Header file for dfp-bit.c.
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
- 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"
-
-#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 */
projects / platform / upstream / linaro-gcc.git / commitdiff