38 lines
628 B
C
38 lines
628 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, rs;
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long long res;
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rt = 0x1234567887654321;
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rs = 0xabcd1234abcd8765;
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res = 0x1234567887654321;
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__asm
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("prependw %0, %1, 0x0\n\t"
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: "=r"(rt)
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: "r"(rs)
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);
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if (rt != res) {
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printf("prependw error\n");
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return -1;
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}
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rt = 0x1234567887654321;
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rs = 0xabcd1234abcd8765;
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res = 0x5123456788765432;
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__asm
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("prependw %0, %1, 0x4\n\t"
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: "=r"(rt)
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: "r"(rs)
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);
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if (rt != res) {
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printf("prependw 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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