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72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/* Copyright (C) 2008-2017 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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union _FP_UNION_Q
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{
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__float128 flt;
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struct
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{
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unsigned long frac0 : 64;
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unsigned long frac1 : 48;
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unsigned exp : 15;
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unsigned sign : 1;
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} bits __attribute__((packed));
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};
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__float128 __copysigntf3 (__float128, __float128);
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__float128 __fabstf2 (__float128);
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int __signbittf2 (__float128);
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__float128
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__copysigntf3 (__float128 a, __float128 b)
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{
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union _FP_UNION_Q A, B;
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A.flt = a;
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B.flt = b;
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A.bits.sign = B.bits.sign;
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return A.flt;
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}
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__float128
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__fabstf2 (__float128 a)
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{
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union _FP_UNION_Q A;
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A.flt = a;
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A.bits.sign = 0;
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return A.flt;
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}
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int
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__signbittf2 (__float128 a)
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{
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union _FP_UNION_Q A;
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A.flt = a;
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return A.bits.sign;
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}
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