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#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rt, dsp;
int result, resultdsp;
rt = 0x87654321;
result = 0x87654321;
resultdsp = 0x00;
__asm
("wrdsp $0\n\t"
"shll.qb %0, %2, 0x00\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
rt = 0x87654321;
result = 0x38281808;
resultdsp = 0x01;
__asm
("wrdsp $0\n\t"
"shll.qb %0, %2, 0x03\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
rt = 0x00000001;
result = 0x00000080;
resultdsp = 0x00;
__asm
("wrdsp $0\n\t"
"shll.qb %0, %2, 0x07\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
return 0;
}
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