qemu/tests/tcg/mips/mips32-dsp/shllv_qb.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

#include<stdio.h>
#include<assert.h>

int main()
{
    int rd, rs, rt, dsp;
    int result, resultdsp;

    rs     = 0x03;
    rt     = 0x87654321;
    result = 0x38281808;
    resultdsp = 0x01;

    __asm
        ("shllv.qb %0, %2, %3\n\t"
         "rddsp   %1\n\t"
         : "=r"(rd), "=r"(dsp)
         : "r"(rt), "r"(rs)
        );
    dsp = (dsp >> 22) & 0x01;
    assert(rd == result);

    rs     = 0x00;
    rt     = 0x87654321;
    result = 0x87654321;
    resultdsp = 0x01;

    __asm
        ("shllv.qb %0, %2, %3\n\t"
         "rddsp   %1\n\t"
         : "=r"(rd), "=r"(dsp)
         : "r"(rt), "r"(rs)
        );
    dsp = (dsp >> 22) & 0x01;
    assert(rd == result);

    return 0;
}