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#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt, dsp;
int result, resultdsp;
rs = 0x03FB1234;
rt = 0x0BCC4321;
result = 0x7fff7FFF;
resultdsp = 1;
__asm
("mul_s.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 = 0x7fffff00;
rt = 0xff007fff;
result = 0x80008000;
resultdsp = 1;
__asm
("mul_s.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);
dsp = 0;
__asm
("wrdsp %0\n\t"
:
: "r"(dsp)
);
rs = 0x00320001;
rt = 0x00210002;
result = 0x06720002;
resultdsp = 0;
__asm
("mul_s.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;
}
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