1 /* Round float to int floating-point values, sparc64 vis3 version.
2 Copyright (C) 2012-2019 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 <https://www.gnu.org/licenses/>. */
22 /* VIS instructions are used to facilitate the formation of
23 easier constants, and the propagation of the sign bit. */
25 #define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
27 #define ZERO %f10 /* 0.0 */
28 #define SIGN_BIT %f12 /* -0.0 */
31 sethi %hi(TWO_TWENTYTHREE), %o2
38 fcmps %fcc3, %f14, %f16
40 fmovsuge %fcc3, ZERO, %f16
41 fands %f1, SIGN_BIT, SIGN_BIT
43 fors %f16, SIGN_BIT, %f16
48 fors %f0, SIGN_BIT, %f0