45 lines
752 B
C
45 lines
752 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 rt;
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long long achi, acli;
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long long res;
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achi = 0x87654321;
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acli = 0x12345678;
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res = 0x123456;
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__asm
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("mthi %1, $ac1\n\t"
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"mtlo %2, $ac1\n\t"
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"dextr.w %0, $ac1, 0x8\n\t"
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: "=r"(rt)
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: "r"(achi), "r"(acli)
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);
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if (rt != res) {
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printf("dextr.w error\n");
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return -1;
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}
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achi = 0x87654321;
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acli = 0x12345678;
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res = 0x12345678;
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__asm
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("mthi %1, $ac1\n\t"
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"mtlo %2, $ac1\n\t"
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"dextr.w %0, $ac1, 0x0\n\t"
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: "=r"(rt)
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: "r"(achi), "r"(acli)
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);
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if (rt != res) {
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printf("dextr.w 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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