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39 lines
1.7 KiB
C
39 lines
1.7 KiB
C
/* Fix for conversion of floating point to integer overflow. MIPS version.
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Copyright (C) 2015-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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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, see
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<http://www.gnu.org/licenses/>. */
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#ifndef FIX_FP_INT_CONVERT_OVERFLOW_H
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#define FIX_FP_INT_CONVERT_OVERFLOW_H 1
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/* As of GCC 5, the generic libgcc2.c conversions from floating point
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to long long may not raise the correct exceptions on overflow (and
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may raise spurious "inexact" exceptions even in non-overflow cases,
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see <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59412>). */
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#define FIX_FLT_LLONG_CONVERT_OVERFLOW 1
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#define FIX_DBL_LLONG_CONVERT_OVERFLOW 1
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#define FIX_LDBL_LLONG_CONVERT_OVERFLOW 0
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/* As of GCC 5 and binutils 2.25, for MIPS I GCC generates calls to
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assembler macros for conversions from floating point to integer
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types, and those macros save and restore the whole of FSCR and so
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lose exceptions. */
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#define FIX_FLT_LONG_CONVERT_OVERFLOW (__mips == 1)
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#define FIX_DBL_LONG_CONVERT_OVERFLOW (__mips == 1)
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#define FIX_LDBL_LONG_CONVERT_OVERFLOW 0
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#endif /* fix-fp-int-convert-overflow.h */
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