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Diffstat (limited to 'sysdeps/alpha/ots_cvtxq.c')
-rw-r--r-- | sysdeps/alpha/ots_cvtxq.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/alpha/ots_cvtxq.c b/sysdeps/alpha/ots_cvtxq.c new file mode 100644 index 0000000000..567008cbeb --- /dev/null +++ b/sysdeps/alpha/ots_cvtxq.c @@ -0,0 +1,41 @@ +/* Software floating-point emulation: float to integer conversion. + 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" + +long +_OtsCvtXQ (long al, long ah, long _round) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned long r; + long s; + + /* If bit 3 is set, then integer overflow detection is requested. */ + s = _round & 8 ? 1 : -1; + _round = _round & 3; + + FP_INIT_ROUNDMODE; + AXP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 64, s); + FP_HANDLE_EXCEPTIONS; + + return r; +} |