Blame view

ffmpeg-4.2.2/libavcodec/alpha/regdef.h 2.3 KB
aac5773f   hucm   功能基本完成,接口待打磨
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
  /*
   * Alpha optimized DSP utils
   * copyright (c) 2002 Falk Hueffner <falk@debian.org>
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  /* Some BSDs don't seem to have regdef.h... sigh  */
  #ifndef AVCODEC_ALPHA_REGDEF_H
  #define AVCODEC_ALPHA_REGDEF_H
  
  #define v0      $0      /* function return value */
  
  #define t0      $1      /* temporary registers (caller-saved) */
  #define t1      $2
  #define t2      $3
  #define t3      $4
  #define t4      $5
  #define t5      $6
  #define t6      $7
  #define t7      $8
  
  #define s0      $9      /* saved-registers (callee-saved registers) */
  #define s1      $10
  #define s2      $11
  #define s3      $12
  #define s4      $13
  #define s5      $14
  #define s6      $15
  #define fp      s6      /* frame-pointer (s6 in frame-less procedures) */
  
  #define a0      $16     /* argument registers (caller-saved) */
  #define a1      $17
  #define a2      $18
  #define a3      $19
  #define a4      $20
  #define a5      $21
  
  #define t8      $22     /* more temps (caller-saved) */
  #define t9      $23
  #define t10     $24
  #define t11     $25
  #define ra      $26     /* return address register */
  #define t12     $27
  
  #define pv      t12     /* procedure-variable register */
  #define AT      $at     /* assembler temporary */
  #define gp      $29     /* global pointer */
  #define sp      $30     /* stack pointer */
  #define zero    $31     /* reads as zero, writes are noops */
  
  /* Some nicer register names.  */
  #define ta t10
  #define tb t11
  #define tc t12
  #define td AT
  /* Danger: these overlap with the argument list and the return value */
  #define te a5
  #define tf a4
  #define tg a3
  #define th v0
  
  #endif /* AVCODEC_ALPHA_REGDEF_H */