| /* Copyright (C) 2008-2023 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/>. */ |
| |
| union _FP_UNION_Q |
| { |
| __float128 flt; |
| struct |
| { |
| unsigned long frac0 : 64; |
| unsigned long frac1 : 48; |
| unsigned exp : 15; |
| unsigned sign : 1; |
| } bits __attribute__((packed)); |
| }; |
| |
| __float128 __copysigntf3 (__float128, __float128); |
| __float128 __fabstf2 (__float128); |
| int __signbittf2 (__float128); |
| |
| __float128 |
| __copysigntf3 (__float128 a, __float128 b) |
| { |
| union _FP_UNION_Q A, B; |
| |
| A.flt = a; |
| B.flt = b; |
| A.bits.sign = B.bits.sign; |
| |
| return A.flt; |
| } |
| |
| __float128 |
| __fabstf2 (__float128 a) |
| { |
| union _FP_UNION_Q A; |
| |
| A.flt = a; |
| A.bits.sign = 0; |
| |
| return A.flt; |
| } |
| |
| int |
| __signbittf2 (__float128 a) |
| { |
| union _FP_UNION_Q A; |
| |
| A.flt = a; |
| |
| return A.bits.sign; |
| } |