| 1 | /* Altivec expression macros, for PSIM, the PowerPC simulator. |
| 2 | |
| 3 | Copyright 2003-2020 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Red Hat Inc; developed under contract from Motorola. |
| 6 | Written by matthew green <mrg@redhat.com>. |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | /* AltiVec macro helpers. */ |
| 24 | |
| 25 | #define ALTIVEC_SET_CR6(vS, checkone) \ |
| 26 | do { \ |
| 27 | if (checkone && ((*vS).w[0] == 0xffffffff && \ |
| 28 | (*vS).w[1] == 0xffffffff && \ |
| 29 | (*vS).w[2] == 0xffffffff && \ |
| 30 | (*vS).w[3] == 0xffffffff)) \ |
| 31 | CR_SET(6, 1 << 3); \ |
| 32 | else if ((*vS).w[0] == 0 && \ |
| 33 | (*vS).w[1] == 0 && \ |
| 34 | (*vS).w[2] == 0 && \ |
| 35 | (*vS).w[3] == 0) \ |
| 36 | CR_SET(6, 1 << 1); \ |
| 37 | else \ |
| 38 | CR_SET(6, 0); \ |
| 39 | } while (0) |
| 40 | |
| 41 | #define VSCR_SAT 0x00000001 |
| 42 | #define VSCR_NJ 0x00010000 |
| 43 | |
| 44 | #define ALTIVEC_SET_SAT(sat) \ |
| 45 | do { \ |
| 46 | if (sat) \ |
| 47 | VSCR |= VSCR_SAT; \ |
| 48 | } while (0) |