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with setting the sticky bit. * math/test-misc.c (main): Add more truncation tests. * soft-fp/floatunsidf.c (__floatunsidf): Use DFtype instead of double in the function declaration. * soft-fp/floatundidf.c (__floatundidf): Use DFtype instead of double in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/extended.h (FP_UNPACK_RAW_E): Do not increase X##_e for denormal operands. Do not generate FP_EX_DENORM exception. (FP_UNPACK_RAW_EP): Ditto. (FP_UNPACK_SEMIRAW_E): Use FP_UNPACK_RAW_E instead of undefined _FP_UNPACK_RAW_E. (FP_UNPACK_SEMIRAW_EP): Use FP_UNPACK_RAW_EP instead of undefined _FP_UNPACK_RAW_EP. (FP_PACK_SEMIRAW_E): Use FP_PACK_RAW_E instead of undefined _FP_PACK_RAW_E. (FP_PACK_SEMIRAW_EP): Use FP_PACK_RAW_EP instead of undefined _FP_PACK_RAW_EP. * op-2.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_2. * op-4.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_4. * soft-fp/op-common.h (FP_EXTEND): Do not abort when _FP_EXPBIAS_##dfs == _FP_EXPBIAS_##sfs. Handle denormals for this case. * soft-fp/op-common.h (FP_TRUNC): Ditto. * soft-fp/op-common.h (FP_TRUNC): Replace raising of FP_EX_INEXACT with setting the sticky bit. * math/test-misc.c (main): Add more truncation tests. 2007-04-14 Uros Bizjak <ubizjak@gmail.com> * soft-fp/floatunsidf.c (__floatunsidf): Use DFtype instead of double in the function declaration. * soft-fp/floatundidf.c (__floatundidf): Use DFtype instead of double in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/extended.h (FP_UNPACK_RAW_E): Do not increase X##_e for denormal operands. Do not generate FP_EX_DENORM exception. (FP_UNPACK_RAW_EP): Ditto. (FP_UNPACK_SEMIRAW_E): Use FP_UNPACK_RAW_E instead of undefined _FP_UNPACK_RAW_E. (FP_UNPACK_SEMIRAW_EP): Use FP_UNPACK_RAW_EP instead of undefined _FP_UNPACK_RAW_EP. (FP_PACK_SEMIRAW_E): Use FP_PACK_RAW_E instead of undefined _FP_PACK_RAW_E. (FP_PACK_SEMIRAW_EP): Use FP_PACK_RAW_EP instead of undefined _FP_PACK_RAW_EP. * op-2.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_2. * op-4.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_4. 2007-04-16 Uros Bizjak <ubizjak@gmail.com> Jakub Jelinek <jakub@redhat.com> * soft-fp/op-common.h (FP_EXTEND): Do not abort when _FP_EXPBIAS_##dfs == _FP_EXPBIAS_##sfs. Handle denormals for this case. * soft-fp/op-common.h (FP_TRUNC): Ditto. 2007-05-03 Jakub Jelinek <jakub@redhat.com>
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* Software floating-point emulation.
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Convert a 64bit unsigned integer to IEEE single
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Copyright (C) 1997, 1999, 2006, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson (rth@cygnus.com) and
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Jakub Jelinek (jj@ultra.linux.cz).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Lesser General Public License restrictions do apply in
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other respects; for example, they cover modification of the file,
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and distribution when not linked into a combine executable.)
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "soft-fp.h"
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#include "single.h"
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SFtype __floatundisf(UDItype i)
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{
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FP_DECL_EX;
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FP_DECL_S(A);
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SFtype a;
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FP_FROM_INT_S(A, i, DI_BITS, UDItype);
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FP_PACK_RAW_S(a, A);
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FP_HANDLE_EXCEPTIONS;
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return a;
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}
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