1 /* llrint(), sparc32 v9 version.
2 Copyright (C) 2012-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by David S. Miller <davem@davemloft.net>, 2012.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
21 #include <math_ldbl_opt.h>
23 /* We pop constants into the FPU registers using the incoming
24 argument stack slots, since this avoid having to use any PIC
25 references. We also thus avoid having to allocate a register
28 VIS instructions are used to facilitate the formation of
29 easier constants, and the propagation of the sign bit. */
31 #define TWO_FIFTYTWO 0x43300000 /* 2**52 */
33 #define ZERO %f10 /* 0.0 */
34 #define SIGN_BIT %f12 /* -0.0 */
37 sethi %hi(TWO_FIFTYTWO), %o2
53 fcmpd %fcc3, %f14, %f16
55 fmovduge %fcc3, ZERO, %f16
56 fand %f0, SIGN_BIT, SIGN_BIT
58 for %f16, SIGN_BIT, %f16
62 for %f0, SIGN_BIT, %f0
68 weak_alias (__llrint, llrint)
70 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
71 compat_symbol (libm, __llrint, llrintl, GLIBC_2_1)