56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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#include"io.h"
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int main(void)
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{
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long long rs, rt, dsp;
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long long ach = 5, acl = 5;
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long long resulth, resultl, resultdsp;
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rs = 0xBC0123AD;
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rt = 0x01643721;
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resulth = 0x04;
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resultl = 0xFFFFFFFFAEA3E09B;
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resultdsp = 0x00;
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__asm
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("mthi %0, $ac1\n\t"
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"mtlo %1, $ac1\n\t"
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"dpsqx_s.w.ph $ac1, %3, %4\n\t"
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"mfhi %0, $ac1\n\t"
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"mflo %1, $ac1\n\t"
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"rddsp %2\n\t"
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: "+r"(ach), "+r"(acl), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x01;
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if (dsp != resultdsp || ach != resulth || acl != resultl) {
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printf("dpsqx_s.w.ph error\n");
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return -1;
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}
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ach = 0x99f13005;
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acl = 0x51730062;
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rs = 0x80008000;
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rt = 0x80008000;
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resulth = 0xffffffff99f13004;
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resultl = 0x51730064;
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resultdsp = 0x01;
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__asm
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("mthi %0, $ac1\n\t"
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"mtlo %1, $ac1\n\t"
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"dpsqx_s.w.ph $ac1, %3, %4\n\t"
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"mfhi %0, $ac1\n\t"
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"mflo %1, $ac1\n\t"
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"rddsp %2\n\t"
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: "+r"(ach), "+r"(acl), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x01;
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if (dsp != resultdsp || ach != resulth || acl != resultl) {
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printf("dpsqx_s.w.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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