-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
Copy pathsswap.c
151 lines (138 loc) · 5.04 KB
/
sswap.c
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/***************************************************************************
Copyright (c) 2013-2019, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include "common.h"
static void sswap_kernel_64(BLASLONG n, FLOAT *x, FLOAT *y) {
__asm__("srlg %[n],%[n],6\n\t"
"xgr %%r1,%%r1\n\t"
"0:\n\t"
"pfd 2, 1024(%%r1,%[x])\n\t"
"pfd 2, 1024(%%r1,%[y])\n\t"
"vl %%v16, 0(%%r1,%[x])\n\t"
"vl %%v17, 16(%%r1,%[x])\n\t"
"vl %%v18, 32(%%r1,%[x])\n\t"
"vl %%v19, 48(%%r1,%[x])\n\t"
"vl %%v20, 64(%%r1,%[x])\n\t"
"vl %%v21, 80(%%r1,%[x])\n\t"
"vl %%v22, 96(%%r1,%[x])\n\t"
"vl %%v23, 112(%%r1,%[x])\n\t"
"vl %%v24, 128(%%r1,%[x])\n\t"
"vl %%v25, 144(%%r1,%[x])\n\t"
"vl %%v26, 160(%%r1,%[x])\n\t"
"vl %%v27, 176(%%r1,%[x])\n\t"
"vl %%v28, 192(%%r1,%[x])\n\t"
"vl %%v29, 208(%%r1,%[x])\n\t"
"vl %%v30, 224(%%r1,%[x])\n\t"
"vl %%v31, 240(%%r1,%[x])\n\t"
"vl %%v0, 0(%%r1,%[y])\n\t"
"vl %%v1, 16(%%r1,%[y])\n\t"
"vl %%v2, 32(%%r1,%[y])\n\t"
"vl %%v3, 48(%%r1,%[y])\n\t"
"vl %%v4, 64(%%r1,%[y])\n\t"
"vl %%v5, 80(%%r1,%[y])\n\t"
"vl %%v6, 96(%%r1,%[y])\n\t"
"vl %%v7, 112(%%r1,%[y])\n\t"
"vst %%v0, 0(%%r1,%[x])\n\t"
"vst %%v1, 16(%%r1,%[x])\n\t"
"vst %%v2, 32(%%r1,%[x])\n\t"
"vst %%v3, 48(%%r1,%[x])\n\t"
"vst %%v4, 64(%%r1,%[x])\n\t"
"vst %%v5, 80(%%r1,%[x])\n\t"
"vst %%v6, 96(%%r1,%[x])\n\t"
"vst %%v7, 112(%%r1,%[x])\n\t"
"vl %%v0, 128(%%r1,%[y])\n\t"
"vl %%v1, 144(%%r1,%[y])\n\t"
"vl %%v2, 160(%%r1,%[y])\n\t"
"vl %%v3, 176(%%r1,%[y])\n\t"
"vl %%v4, 192(%%r1,%[y])\n\t"
"vl %%v5, 208(%%r1,%[y])\n\t"
"vl %%v6, 224(%%r1,%[y])\n\t"
"vl %%v7, 240(%%r1,%[y])\n\t"
"vst %%v0, 128(%%r1,%[x])\n\t"
"vst %%v1, 144(%%r1,%[x])\n\t"
"vst %%v2, 160(%%r1,%[x])\n\t"
"vst %%v3, 176(%%r1,%[x])\n\t"
"vst %%v4, 192(%%r1,%[x])\n\t"
"vst %%v5, 208(%%r1,%[x])\n\t"
"vst %%v6, 224(%%r1,%[x])\n\t"
"vst %%v7, 240(%%r1,%[x])\n\t"
"vst %%v16, 0(%%r1,%[y])\n\t"
"vst %%v17, 16(%%r1,%[y])\n\t"
"vst %%v18, 32(%%r1,%[y])\n\t"
"vst %%v19, 48(%%r1,%[y])\n\t"
"vst %%v20, 64(%%r1,%[y])\n\t"
"vst %%v21, 80(%%r1,%[y])\n\t"
"vst %%v22, 96(%%r1,%[y])\n\t"
"vst %%v23, 112(%%r1,%[y])\n\t"
"vst %%v24, 128(%%r1,%[y])\n\t"
"vst %%v25, 144(%%r1,%[y])\n\t"
"vst %%v26, 160(%%r1,%[y])\n\t"
"vst %%v27, 176(%%r1,%[y])\n\t"
"vst %%v28, 192(%%r1,%[y])\n\t"
"vst %%v29, 208(%%r1,%[y])\n\t"
"vst %%v30, 224(%%r1,%[y])\n\t"
"vst %%v31, 240(%%r1,%[y])\n\t"
"agfi %%r1,256\n\t"
"brctg %[n],0b"
: "+m"(*(FLOAT (*)[n]) x), "+m"(*(FLOAT (*)[n]) y),
[n] "+&r"(n)
: [x] "a"(x),[y] "a"(y)
: "cc", "r1", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16",
"v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26",
"v27", "v28", "v29", "v30", "v31");
}
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3, FLOAT *x,
BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy,
BLASLONG dummy2) {
BLASLONG i = 0;
BLASLONG ix = 0, iy = 0;
FLOAT temp;
if (n <= 0)
return (0);
if ((inc_x == 1) && (inc_y == 1)) {
BLASLONG n1 = n & -64;
if (n1 > 0) {
sswap_kernel_64(n1, x, y);
i = n1;
}
while (i < n) {
temp = y[i];
y[i] = x[i];
x[i] = temp;
i++;
}
} else {
while (i < n) {
temp = y[iy];
y[iy] = x[ix];
x[ix] = temp;
ix += inc_x;
iy += inc_y;
i++;
}
}
return (0);
}