+2011-07-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/dfp-bit.c, config/dfp-bit.h: Move to ../libgcc.
+ * config/t-dfprules: Move to ../libgcc/config.
+ * config.gcc (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
+ i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*,
+ i[34567]86-*-kopensolaris*-gnu): Remove t-dfprules from tmake_file.
+ (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu):
+ Likewise.
+ (i[34567]86-*-cygwin*): Likewise.
+ (i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise.
+ (powerpc-*-linux*, powerpc64-*-linux*): Likewise.
+ * Makefile.in (D32PBIT_FUNCS, D64PBIT_FUNCS, D128PBIT_FUNCS): Remove.
+ (libgcc.mvars): Remove DFP_ENABLE, DFP_CFLAGS, D32PBIT_FUNCS,
+ D64PBIT_FUNCS, D128PBIT_FUNCS.
+
2011-07-11 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (simplify_conversion_using_ranges): Manually
_lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
_tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
-D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
- _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
- _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
- _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
- _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
- _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
- _sd_to_dd _sd_to_td _unord_sd _conv_sd
-
-D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
- _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
- _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
- _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
- _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
- _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
- _dd_to_sd _dd_to_td _unord_dd _conv_dd
-
-D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
- _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
- _td_to_si _td_to_di _td_to_usi _td_to_udi \
- _si_to_td _di_to_td _usi_to_td _udi_to_td \
- _td_to_sf _td_to_df _td_to_xf _td_to_tf \
- _sf_to_td _df_to_td _xf_to_td _tf_to_td \
- _td_to_sd _td_to_dd _unord_td _conv_td
-
# These might cause a divide overflow trap and so are compiled with
# unwinder info.
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
echo DPBIT_FUNCS = '$(DPBIT_FUNCS)' >> tmp-libgcc.mvars
echo TPBIT = '$(TPBIT)' >> tmp-libgcc.mvars
echo TPBIT_FUNCS = '$(TPBIT_FUNCS)' >> tmp-libgcc.mvars
- echo DFP_ENABLE = '$(DFP_ENABLE)' >> tmp-libgcc.mvars
- echo DFP_CFLAGS='$(DFP_CFLAGS)' >> tmp-libgcc.mvars
- echo D32PBIT='$(D32PBIT)' >> tmp-libgcc.mvars
- echo D32PBIT_FUNCS='$(D32PBIT_FUNCS)' >> tmp-libgcc.mvars
- echo D64PBIT='$(D64PBIT)' >> tmp-libgcc.mvars
- echo D64PBIT_FUNCS='$(D64PBIT_FUNCS)' >> tmp-libgcc.mvars
- echo D128PBIT='$(D128PBIT)' >> tmp-libgcc.mvars
- echo D128PBIT_FUNCS='$(D128PBIT_FUNCS)' >> tmp-libgcc.mvars
echo GCC_EXTRA_PARTS = '$(GCC_EXTRA_PARTS)' >> tmp-libgcc.mvars
echo SHLIB_LINK = '$(subst $(GCC_FOR_TARGET),$$(GCC_FOR_TARGET),$(SHLIB_LINK))' >> tmp-libgcc.mvars
echo SHLIB_INSTALL = '$(SHLIB_INSTALL)' >> tmp-libgcc.mvars
i[34567]86-*-kopensolaris*-gnu) tm_file="${tm_file} i386/gnu-user.h kopensolaris-gnu.h i386/kopensolaris-gnu.h" ;;
i[34567]86-*-gnu*) tm_file="$tm_file i386/gnu-user.h gnu.h i386/gnu.h";;
esac
- tmake_file="${tmake_file} i386/t-crtstuff i386/t-crtpc i386/t-crtfm t-dfprules"
+ tmake_file="${tmake_file} i386/t-crtstuff i386/t-crtpc i386/t-crtfm"
;;
x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h gnu-user.h glibc-stdint.h \
x86_64-*-kfreebsd*-gnu) tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu64.h" ;;
x86_64-*-knetbsd*-gnu) tm_file="${tm_file} knetbsd-gnu.h" ;;
esac
- tmake_file="${tmake_file} i386/t-linux64 i386/t-crtstuff i386/t-crtpc i386/t-crtfm t-dfprules"
+ tmake_file="${tmake_file} i386/t-linux64 i386/t-crtstuff i386/t-crtpc i386/t-crtfm"
x86_multilibs="${with_multilib_list}"
if test "$x86_multilibs" = "default"; then
x86_multilibs="m64,m32"
else
tmake_dlldir_file="i386/t-dlldir-x"
fi
- tmake_file="${tmake_file} ${tmake_eh_file} ${tmake_dlldir_file} i386/t-cygming i386/t-cygwin t-dfprules"
+ tmake_file="${tmake_file} ${tmake_eh_file} ${tmake_dlldir_file} i386/t-cygming i386/t-cygwin"
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
extra_options="${extra_options} i386/cygming.opt"
extra_objs="winnt.o winnt-stubs.o"
else
tmake_dlldir_file="i386/t-dlldir-x"
fi
- tmake_file="${tmake_file} ${tmake_eh_file} ${tmake_dlldir_file} i386/t-cygming t-dfprules"
+ tmake_file="${tmake_file} ${tmake_eh_file} ${tmake_dlldir_file} i386/t-cygming"
case ${target} in
x86_64-w64-*)
tmake_file="${tmake_file} i386/t-mingw-w64"
powerpc-*-linux* | powerpc64-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h freebsd-spec.h rs6000/sysv4.h"
extra_options="${extra_options} rs6000/sysv4.opt"
- tmake_file="t-dfprules rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+ tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
maybe_biarch=yes
case ${target} in
powerpc64-*-linux*spe* | powerpc64-*-linux*paired*)
+2011-07-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * dfp-bit.c, dfp-bit.h: New files.
+ * Makefile.in (D32PBIT_FUNCS, D64PBIT_FUNCS, D128PBIT_FUNCS): New
+ variables.
+ ($(d32pbit-o)): Use $(srcdir) to refer to dfp-bit.c
+ ($(d64pbit-o)): Likewise.
+ ($(d128pbit-o)): Likewise.
+ * config/t-dfprules: New file.
+ * config.host (i[34567]86-*-linux*): Add t-dfprules to tmake_file.
+ (i[34567]86-*-kfreebsd*-gnu, i[34567]86-*-knetbsd*-gnu,
+ i[34567]86-*-gnu*, i[34567]86-*-kopensolaris*-gnu): Likewise.
+ (x86_64-*-linux*): Likewise.
+ (x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Likewise.
+ (i[34567]86-*-cygwin*): Likewise.
+ (i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise.
+ (powerpc-*-linux*, powerpc64-*-linux*): Likewise.
+
2011-07-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* Makfile.in (LIBGCOV): New variable.
libgcc-objects += $(decbits-objects)
# Next build individual support functions.
+D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
+ _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
+ _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
+ _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
+ _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
+ _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
+ _sd_to_dd _sd_to_td _unord_sd _conv_sd
+
+D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
+ _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
+ _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
+ _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
+ _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
+ _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
+ _dd_to_sd _dd_to_td _unord_dd _conv_dd
+
+D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
+ _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
+ _td_to_si _td_to_di _td_to_usi _td_to_udi \
+ _si_to_td _di_to_td _usi_to_td _udi_to_td \
+ _td_to_sf _td_to_df _td_to_xf _td_to_tf \
+ _sf_to_td _df_to_td _xf_to_td _tf_to_td \
+ _td_to_sd _td_to_dd _unord_td _conv_td
+
ifeq ($(enable_decimal_float),bid)
ifneq ($(D32PBIT),)
D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
ifeq ($(enable_decimal_float),bid)
$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
-$(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
+$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
libgcc-objects += $(d32pbit-o)
ifeq ($(enable_decimal_float),bid)
$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
-$(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
+$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
libgcc-objects += $(d64pbit-o)
ifeq ($(enable_decimal_float),bid)
$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
-$(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
+$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
libgcc-objects += $(d128pbit-o)
;;
i[34567]86-*-linux*)
extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
- tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
+ tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm t-dfprules"
md_unwind_header=i386/linux-unwind.h
;;
i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
- tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
+ tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm t-dfprules"
;;
x86_64-*-linux*)
extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
- tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
+ tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm t-dfprules"
md_unwind_header=i386/linux-unwind.h
;;
x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
- tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
+ tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm t-dfprules"
;;
i[34567]86-pc-msdosdjgpp*)
;;
;;
i[34567]86-*-cygwin*)
extra_parts="crtbegin.o crtend.o crtfastmath.o"
- tmake_file="i386/t-cygming i386/t-crtfm"
+ tmake_file="i386/t-cygming i386/t-crtfm t-dfprules"
;;
i[34567]86-*-mingw*)
extra_parts="crtbegin.o crtend.o crtfastmath.o"
- tmake_file="i386/t-cygming i386/t-crtfm"
+ tmake_file="i386/t-cygming i386/t-crtfm t-dfprules"
md_unwind_header=i386/w32-unwind.h
;;
x86_64-*-mingw*)
+ tmake_file=t-dfprules
;;
i[34567]86-*-interix3*)
;;
powerpc-*-rtems*)
;;
powerpc-*-linux* | powerpc64-*-linux*)
- tmake_file="${tmake_file} rs6000/t-ppccomm rs6000/t-ldbl128 t-softfp"
+ tmake_file="${tmake_file} rs6000/t-ppccomm rs6000/t-ldbl128 t-softfp t-dfprules"
md_unwind_header=rs6000/linux-unwind.h
;;
powerpc-wrs-vxworks|powerpc-wrs-vxworksae)
--- /dev/null
+# Use DFP_ENABLE to build decimal floating point support routines for
+# all decimal floating point types (32-bit, 64-bit and 128-bit). We
+# use `true' for clarity, but any value will do.
+#
+DFP_ENABLE = true
+
+# DFP_CFLAGS can be used to pass target-specific CFLAGS when compiling
+# dfp-bit.c. This is useful for overriding the definition of macros.
+#
+# DFP_CFLAGS = -DFOO=bar
--- /dev/null
+/* This is a software decimal floating point library.
+ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2011
+ 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 "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 */
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