01e263bac85f3682dbed02d914cd8d202af42f68
[libav.git] / libavcodec / alpha / regdef.h
1 /*
2 * Alpha optimized DSP utils
3 * copyright (c) 2002 Falk Hueffner <falk@debian.org>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /* Some BSDs don't seem to have regdef.h... sigh */
23 #ifndef alpha_regdef_h
24 #define alpha_regdef_h
25
26 #define v0 $0 /* function return value */
27
28 #define t0 $1 /* temporary registers (caller-saved) */
29 #define t1 $2
30 #define t2 $3
31 #define t3 $4
32 #define t4 $5
33 #define t5 $6
34 #define t6 $7
35 #define t7 $8
36
37 #define s0 $9 /* saved-registers (callee-saved registers) */
38 #define s1 $10
39 #define s2 $11
40 #define s3 $12
41 #define s4 $13
42 #define s5 $14
43 #define s6 $15
44 #define fp s6 /* frame-pointer (s6 in frame-less procedures) */
45
46 #define a0 $16 /* argument registers (caller-saved) */
47 #define a1 $17
48 #define a2 $18
49 #define a3 $19
50 #define a4 $20
51 #define a5 $21
52
53 #define t8 $22 /* more temps (caller-saved) */
54 #define t9 $23
55 #define t10 $24
56 #define t11 $25
57 #define ra $26 /* return address register */
58 #define t12 $27
59
60 #define pv t12 /* procedure-variable register */
61 #define AT $at /* assembler temporary */
62 #define gp $29 /* global pointer */
63 #define sp $30 /* stack pointer */
64 #define zero $31 /* reads as zero, writes are noops */
65
66 #endif /* alpha_regdef_h */