blob: 350c25617adcf15adf92b43797bbf47671ee8b27 (
plain)
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
|
#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt, dsp;
int result, resultdsp;
rs = 0x0B;
rt = 0x12345678;
result = 0x7FFFFFFF;
resultdsp = 0x01;
__asm
("shllv_s.w %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt), "r"(rs)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
rs = 0x0;
rt = 0x12345678;
result = 0x12345678;
resultdsp = 0x01;
__asm
("shllv_s.w %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt), "r"(rs)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
return 0;
}
|