36 lines
677 B
C
36 lines
677 B
C
#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 rd, rs, rt;
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int dsp;
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int result;
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rs = 0x10FF01FF;
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rt = 0x10010001;
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result = 0x20FF01FF;
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__asm
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("addu_s.qb %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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assert(rd == result);
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assert(((dsp >> 20) & 0x1) == 1);
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rs = 0xFFFF1111;
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rt = 0x00020001;
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result = 0xFFFF1112;
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__asm
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("addu_s.qb %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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assert(rd == result);
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assert(((dsp >> 20) & 0x1) == 1);
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return 0;
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}
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