33 lines
679 B
C
33 lines
679 B
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 achi, acli, rs, rt;
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long long acho, aclo;
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long long resulth, resultl;
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rs = 0x00BBAACC;
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rt = 0x0B1C3D2F;
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achi = 0x00004433;
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acli = 0xFFCC0011;
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resulth = 0xFFFFFFFFFFF81F29;
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resultl = 0xFFFFFFFFB355089D;
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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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"msub $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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if ((acho != resulth) || (aclo != resultl)) {
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printf("msub wrong\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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