41 lines
747 B
C
41 lines
747 B
C
#include"io.h"
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int main(void)
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{
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long long rd, rs, rt, dsp;
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long long result, resultdsp;
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rs = 0x80001234;
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rt = 0x80004321;
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result = 0xFFFFFFFF80005555;
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__asm
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("mulq_rs.w %0, %1, %2\n\t"
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: "=r"(rd)
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: "r"(rs), "r"(rt)
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);
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if (rd != result) {
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printf("mulq_rs.w error!\n");
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return -1;
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}
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rs = 0x80000000;
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rt = 0x80000000;
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result = 0x7FFFFFFF;
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resultdsp = 1;
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__asm
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("mulq_rs.w %0, %2, %3\n\t"
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"rddsp %1\n\t"
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: "=r"(rd), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 21) & 0x01;
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if (rd != result || dsp != resultdsp) {
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printf("mulq_rs.w error\n");
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return -1;
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}
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return 0;
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}
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