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
|
#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt, dsp;
int result;
rs = 0x12345678;
rt = 0x87654321;
dsp = 0x0A000000;
result = 0x12344321;
__asm
("wrdsp %3, 0x10\n\t"
"pick.ph %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt), "r"(dsp)
);
assert(rd == result);
rs = 0x12345678;
rt = 0x87654321;
dsp = 0x03000000;
result = 0x12345678;
__asm
("wrdsp %3, 0x10\n\t"
"pick.ph %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt), "r"(dsp)
);
assert(rd == result);
rs = 0x12345678;
rt = 0x87654321;
dsp = 0x00000000;
result = 0x87654321;
__asm
("wrdsp %3, 0x10\n\t"
"pick.ph %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt), "r"(dsp)
);
assert(rd == result);
return 0;
}
|
