diff options
Diffstat (limited to 'sysdeps/alpha/ots_sub.c')
| -rw-r--r-- | sysdeps/alpha/ots_sub.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/alpha/ots_sub.c b/sysdeps/alpha/ots_sub.c new file mode 100644 index 0000000000..526626872b --- /dev/null +++ b/sysdeps/alpha/ots_sub.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation: subtraction. + Copyright (C) 1997-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include "local-soft-fp.h" + +void +_OtsSubX(long al, long ah, long bl, long bh, long _round) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + AXP_DECL_RETURN_Q(c); + + FP_INIT_ROUNDMODE; + AXP_UNPACK_SEMIRAW_Q(A, a); + AXP_UNPACK_SEMIRAW_Q(B, b); + FP_SUB_Q(C, A, B); + AXP_PACK_SEMIRAW_Q(c, C); + FP_HANDLE_EXCEPTIONS; + + AXP_RETURN_Q(c); +} |