1 /* Round float to int floating-point values, sparc32 v9 vis3 version.
2 Copyright (C) 2012-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
21 /* VIS instructions are used to facilitate the formation of
22 easier constants, and the propagation of the sign bit. */
24 #define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
26 #define ZERO %f10 /* 0.0 */
27 #define SIGN_BIT %f12 /* -0.0 */
31 sethi %hi(TWO_TWENTYTHREE), %o2
39 fcmps %fcc3, %f14, %f16
41 fmovsuge %fcc3, ZERO, %f16
42 fands %f1, SIGN_BIT, SIGN_BIT
44 fors %f16, SIGN_BIT, %f16
49 fors %f0, SIGN_BIT, %f0