diff options
Diffstat (limited to 'libgcc/config/i386/32/tf-signs.c')
-rw-r--r-- | libgcc/config/i386/32/tf-signs.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libgcc/config/i386/32/tf-signs.c b/libgcc/config/i386/32/tf-signs.c new file mode 100644 index 00000000000..1b19b601269 --- /dev/null +++ b/libgcc/config/i386/32/tf-signs.c @@ -0,0 +1,64 @@ +/* Copyright (C) 2008 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 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +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. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +union _FP_UNION_Q +{ + __float128 flt; + struct + { + unsigned long frac0 : 32; + unsigned long frac1 : 32; + unsigned long frac2 : 32; + unsigned long frac3 : 16; + unsigned exp : 15; + unsigned sign : 1; + } bits __attribute__((packed)); +}; + +__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; +} |