OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [rs6000/] [darwin-vecsave.asm] - Blame information for rev 825

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius 
/*  This file contains the vector save and restore routines.
2 
 *
3 
 *   Copyright (C) 2004 Free Software Foundation, Inc.
4 
 *
5 
 * This file is free software; you can redistribute it and/or modify it
6 
 * under the terms of the GNU General Public License as published by the
7 
 * Free Software Foundation; either version 2, or (at your option) any
8 
 * later version.
9 
 *
10 
 * In addition to the permissions in the GNU General Public License, the
11 
 * Free Software Foundation gives you unlimited permission to link the
12 
 * compiled version of this file with other programs, and to distribute
13 
 * those programs without any restriction coming from the use of this
14 
 * file.  (The General Public License restrictions do apply in other
15 
 * respects; for example, they cover modification of the file, and
16 
 * distribution when not linked into another program.)
17 
 *
18 
 * This file is distributed in the hope that it will be useful, but
19 
 * WITHOUT ANY WARRANTY; without even the implied warranty of
20 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21 
 * General Public License for more details.
22 
 *
23 
 * You should have received a copy of the GNU General Public License
24 
 * along with this program; see the file COPYING.  If not, write to
25 
 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
26 
 * Boston, MA 02110-1301, USA.
27 
 *
28 
 *  As a special exception, if you link this library with files
29 
 *  compiled with GCC to produce an executable, this does not cause the
30 
 *  resulting executable to be covered by the GNU General Public License.
31 
 *  This exception does not however invalidate any other reasons why the
32 
 *  executable file might be covered by the GNU General Public License.
33 
 */
34 
 
35 
/* Vector save/restore routines for Darwin.  Note that each vector
36 
   save/restore requires 2 instructions (8 bytes.)
37 
 
38 
   THE SAVE AND RESTORE ROUTINES CAN HAVE ONLY ONE GLOBALLY VISIBLE
39 
   ENTRY POINT - callers have to jump to "saveFP+60" to save f29..f31,
40 
   for example.  For FP reg saves/restores, it takes one instruction
41 
   (4 bytes) to do the operation; for Vector regs, 2 instructions are
42 
   required (8 bytes.).   */
43 
 
44 
        .machine ppc7400
45 
.text
46 
        .align 2
47 
 
48 
.private_extern saveVEC
49 
saveVEC:
50 
        li r11,-192
51 
        stvx v20,r11,r0
52 
        li r11,-176
53 
        stvx v21,r11,r0
54 
        li r11,-160
55 
        stvx v22,r11,r0
56 
        li r11,-144
57 
        stvx v23,r11,r0
58 
        li r11,-128
59 
        stvx v24,r11,r0
60 
        li r11,-112
61 
        stvx v25,r11,r0
62 
        li r11,-96
63 
        stvx v26,r11,r0
64 
        li r11,-80
65 
        stvx v27,r11,r0
66 
        li r11,-64
67 
        stvx v28,r11,r0
68 
        li r11,-48
69 
        stvx v29,r11,r0
70 
        li r11,-32
71 
        stvx v30,r11,r0
72 
        li r11,-16
73 
        stvx v31,r11,r0
74 
        blr
75 
 
76 
.private_extern restVEC
77 
restVEC:
78 
        li r11,-192
79 
        lvx v20,r11,r0
80 
        li r11,-176
81 
        lvx v21,r11,r0
82 
        li r11,-160
83 
        lvx v22,r11,r0
84 
        li r11,-144
85 
        lvx v23,r11,r0
86 
        li r11,-128
87 
        lvx v24,r11,r0
88 
        li r11,-112
89 
        lvx v25,r11,r0
90 
        li r11,-96
91 
        lvx v26,r11,r0
92 
        li r11,-80
93 
        lvx v27,r11,r0
94 
        li r11,-64
95 
        lvx v28,r11,r0
96 
        li r11,-48
97 
        lvx v29,r11,r0
98 
        li r11,-32
99 
        lvx v30,r11,r0
100 
        li r11,-16
101 
        lvx v31,r11,r0
102 
        blr
103 
 
104 
/* saveVEC_vr11 -- as saveVEC but VRsave is returned in R11.  */
105 
 
106 
.private_extern saveVEC_vr11
107 
saveVEC_vr11:
108 
        li r11,-192
109 
        stvx v20,r11,r0
110 
        li r11,-176
111 
        stvx v21,r11,r0
112 
        li r11,-160
113 
        stvx v22,r11,r0
114 
        li r11,-144
115 
        stvx v23,r11,r0
116 
        li r11,-128
117 
        stvx v24,r11,r0
118 
        li r11,-112
119 
        stvx v25,r11,r0
120 
        li r11,-96
121 
        stvx v26,r11,r0
122 
        li r11,-80
123 
        stvx v27,r11,r0
124 
        li r11,-64
125 
        stvx v28,r11,r0
126 
        li r11,-48
127 
        stvx v29,r11,r0
128 
        li r11,-32
129 
        stvx v30,r11,r0
130 
        li r11,-16
131 
        stvx v31,r11,r0
132 
        mfspr r11,VRsave
133 
        blr
134 
 
135 
/* As restVec, but the original VRsave value passed in R10.  */
136 
 
137 
.private_extern restVEC_vr10
138 
restVEC_vr10:
139 
        li r11,-192
140 
        lvx v20,r11,r0
141 
        li r11,-176
142 
        lvx v21,r11,r0
143 
        li r11,-160
144 
        lvx v22,r11,r0
145 
        li r11,-144
146 
        lvx v23,r11,r0
147 
        li r11,-128
148 
        lvx v24,r11,r0
149 
        li r11,-112
150 
        lvx v25,r11,r0
151 
        li r11,-96
152 
        lvx v26,r11,r0
153 
        li r11,-80
154 
        lvx v27,r11,r0
155 
        li r11,-64
156 
        lvx v28,r11,r0
157 
        li r11,-48
158 
        lvx v29,r11,r0
159 
        li r11,-32
160 
        lvx v30,r11,r0
161 
        li r11,-16
162 
        lvx v31,r11,r0
163 
                                /* restore VRsave from R10.  */
164 
        mtspr VRsave,r10
165 
        blr

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.