1/* Altivec expression macros, for PSIM, the PowerPC simulator.
2
3   Copyright 2003, 2007 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) \
26do { \
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) \
45do { \
46  if (sat) \
47    VSCR |= VSCR_SAT; \
48} while (0)
49