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
|
#include "io.h"
int main()
{
long long rs, rt, dsp;
long long ach = 5, acl = 5;
long long resulth, resultl, resultdsp;
rs = 0x00FF00FF;
rt = 0x00010002;
resulth = 0x00;
resultl = 0x7FFFFFFF;
resultdsp = 0x01;
__asm
("wrdsp %2\n\t"
"mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"dpaqx_sa.w.ph $ac1, %3, %4\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
"rddsp %2\n\t"
: "+r"(ach), "+r"(acl), "+r"(dsp)
: "r"(rs), "r"(rt)
);
if ((dsp >> (16 + 1) != resultdsp) || (ach != resulth) ||
(acl != resultl)) {
printf("dpaqx_sa.w.ph errror\n");
}
ach = 9;
acl = 0xb;
rs = 0x800000FF;
rt = 0x00018000;
resulth = 0x00;
resultl = 0x7fffffff;
resultdsp = 0x01;
__asm
("wrdsp %2\n\t"
"mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"dpaqx_sa.w.ph $ac1, %3, %4\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
"rddsp %2\n\t"
: "+r"(ach), "+r"(acl), "+r"(dsp)
: "r"(rs), "r"(rt)
);
if ((dsp >> (16 + 1) != resultdsp) || (ach != resulth) ||
(acl != resultl)) {
printf("dpaqx_sa.w.ph errror\n");
}
return 0;
}
|
