56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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#include<stdio.h>
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#include<assert.h>
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int main()
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{
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int rt, rs;
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int achi, acli;
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int dsp;
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int acho, aclo;
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int resulth, resultl;
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int resdsp;
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achi = 0x05;
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acli = 0xB4CB;
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rs = 0xFF060000;
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rt = 0xCB000000;
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resulth = 0x04;
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resultl = 0x947438CB;
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__asm
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("mthi %2, $ac1\n\t"
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"mtlo %3, $ac1\n\t"
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"maq_s.w.phl $ac1, %4, %5\n\t"
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"mfhi %0, $ac1\n\t"
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"mflo %1, $ac1\n\t"
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: "=r"(acho), "=r"(aclo)
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: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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);
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assert(resulth == acho);
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assert(resultl == aclo);
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achi = 0x06;
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acli = 0xB4CB;
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rs = 0x80000000;
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rt = 0x80000000;
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resulth = 0x6;
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resultl = 0x8000b4ca;
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resdsp = 1;
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__asm
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("mthi %3, $ac1\n\t"
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"mtlo %4, $ac1\n\t"
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"maq_s.w.phl $ac1, %5, %6\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"(acho), "=r"(aclo), "=r"(dsp)
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: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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);
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assert(resulth == acho);
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assert(resultl == aclo);
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assert(((dsp >> 17) & 0x01) == resdsp);
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return 0;
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}
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