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1 | /* Altivec expression macros, for PSIM, the PowerPC simulator. |
2 | ||
3 | Copyright 2003 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 2 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, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
24 | ||
25 | /* AltiVec macro helpers. */ | |
26 | ||
27 | #define ALTIVEC_SET_CR6(vS, checkone) \ | |
28 | do { \ | |
29 | if (checkone && ((*vS).w[0] == 0xffffffff && \ | |
30 | (*vS).w[1] == 0xffffffff && \ | |
31 | (*vS).w[2] == 0xffffffff && \ | |
32 | (*vS).w[3] == 0xffffffff)) \ | |
33 | CR_SET(6, 1 << 3); \ | |
34 | else if ((*vS).w[0] == 0 && \ | |
35 | (*vS).w[1] == 0 && \ | |
36 | (*vS).w[2] == 0 && \ | |
37 | (*vS).w[3] == 0) \ | |
38 | CR_SET(6, 1 << 1); \ | |
39 | else \ | |
40 | CR_SET(6, 0); \ | |
41 | } while (0) | |
42 | ||
43 | #define VSCR_SAT 0x00000001 | |
44 | #define VSCR_NJ 0x00010000 | |
45 | ||
46 | #define ALTIVEC_SET_SAT(sat) \ | |
47 | do { \ | |
48 | if (sat) \ | |
49 | VSCR |= VSCR_SAT; \ | |
50 | } while (0) |