1 /*
2 * Irix/unaligned.c - Optimized unaligned access for Irix
3 *
4 * Basilisk II (C) 1997-2002 Christian Bauer
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #if (defined(sgi) && !defined(__GNUC__))
22 #include "sysdeps.h"
23
24 /* Tell the compiler to pack data on 1-byte boundaries
25 * (i.e. arbitrary alignment). Requires SGI MIPSPro compilers. */
26 #pragma pack(1)
27
28 typedef struct _ual32 {
29 uae_u32 v;
30 } ual32_t;
31
32 typedef struct _ual16 {
33 uae_u16 v;
34 } ual16_t;
35
36 #pragma pack(0)
37
38 /* The compiler is smart enough to inline these when you build with "-ipa" */
do_get_mem_long(uae_u32 * a)39 uae_u32 do_get_mem_long(uae_u32 *a) {return ((ual32_t *)a)->v;}
do_get_mem_word(uae_u16 * a)40 uae_u32 do_get_mem_word(uae_u16 *a) {return ((ual16_t *)a)->v;}
do_put_mem_long(uae_u32 * a,uae_u32 v)41 void do_put_mem_long(uae_u32 *a, uae_u32 v) {((ual32_t *)a)->v = v;}
do_put_mem_word(uae_u16 * a,uae_u32 v)42 void do_put_mem_word(uae_u16 *a, uae_u32 v) {((ual16_t *)a)->v = v;}
43
44 #endif /* sgi */
45