1 /* Altivec expression macros, for PSIM, the PowerPC simulator. 2 3 Copyright 2003-2023 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) 49