Archipelago » qemu

#include<stdio.h>

#include<assert.h>

int main()

{

    int rd, rs, rt, dsp;

    int result, resultdsp;

    rs = 0x80001234;

    rt = 0x80004321;

    result = 0x7FFF098C;

    resultdsp = 1;

    __asm

        ("wrdsp $0\n\t"

         "mulq_rs.ph %0, %2, %3\n\t"

         "rddsp %1\n\t"

         : "=r"(rd), "=r"(dsp)

         : "r"(rs), "r"(rt)

        );

    dsp = (dsp >> 21) & 0x01;

    assert(rd  == result);

    assert(dsp == resultdsp);

    rs = 0x80011234;

    rt = 0x80024321;

    result = 0x7FFD098C;

    resultdsp = 0;

    __asm

        ("wrdsp $0\n\t"

         "mulq_rs.ph %0, %2, %3\n\t"

         "rddsp %1\n\t"

         : "=r"(rd), "=r"(dsp)

         : "r"(rs), "r"(rt)

        );

    dsp = (dsp >> 21) & 0x01;

    assert(rd  == result);

    assert(dsp == resultdsp);

    return 0;

}