summaryrefslogtreecommitdiffstats
path: root/qemu/tests/tcg/mips/mips64-dspr2/mulq_rs_w.c
blob: ffdc66d54aed8fa62a05bd396ec1d2d42bb5aedb (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"io.h"

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

    rs = 0x80001234;
    rt = 0x80004321;
    result = 0xFFFFFFFF80005555;

    __asm
        ("mulq_rs.w %0, %1, %2\n\t"
         : "=r"(rd)
         : "r"(rs), "r"(rt)
        );
    if (rd != result) {
        printf("mulq_rs.w error!\n");
        return -1;
    }

    rs = 0x80000000;
    rt = 0x80000000;
    result = 0x7FFFFFFF;
    resultdsp = 1;

    __asm
        ("mulq_rs.w %0, %2, %3\n\t"
         "rddsp %1\n\t"
         : "=r"(rd), "=r"(dsp)
         : "r"(rs), "r"(rt)
        );
    dsp = (dsp >> 21) & 0x01;
    if (rd != result || dsp != resultdsp) {
        printf("mulq_rs.w error\n");
        return -1;
    }

    return 0;
}