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2ba45a60 DM |
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 AVCODEC_ALPHA_REGDEF_H | |
24 | #define AVCODEC_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 | /* Some nicer register names. */ | |
67 | #define ta t10 | |
68 | #define tb t11 | |
69 | #define tc t12 | |
70 | #define td AT | |
71 | /* Danger: these overlap with the argument list and the return value */ | |
72 | #define te a5 | |
73 | #define tf a4 | |
74 | #define tg a3 | |
75 | #define th v0 | |
76 | ||
77 | #endif /* AVCODEC_ALPHA_REGDEF_H */ |