68 lines
1.3 KiB
C
68 lines
1.3 KiB
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 = 0x03FB1234;
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rt = 0x0BCC4321;
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result = 0x7fff7FFF;
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resultdsp = 1;
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__asm
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("mul_s.ph %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("1 mul_s.ph error\n");
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return -1;
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}
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rs = 0x7fffff00;
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rt = 0xff007fff;
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result = 0xffffffff80008000;
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resultdsp = 1;
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__asm
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("mul_s.ph %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("2 mul_s.ph error\n");
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return -1;
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}
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dsp = 0;
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__asm
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("wrdsp %0\n\t"
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:
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: "r"(dsp)
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);
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rs = 0x00320001;
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rt = 0x00210002;
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result = 0x06720002;
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resultdsp = 0;
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__asm
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("mul_s.ph %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("3 mul_s.ph 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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