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Rev 2082 Rev 3040
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        "repe cmpsb\n\t"
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        "repe cmpsb\n\t"
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        "je 1f\n\t"
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        "je 1f\n\t"
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        "movq %3, %0\n\t"
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        "movq %3, %0\n\t"
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        "addq $1, %0\n\t"
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        "addq $1, %0\n\t"
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        "1:\n"
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        "1:\n"
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        : "=a" (ret), "=%S" (d0), "=&D" (d1), "=&c" (d2)
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        : "=a" (ret), "=&S" (d0), "=&D" (d1), "=&c" (d2)
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        : "0" (0), "1" (src), "2" (dst), "3" ((unative_t)cnt)
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        : "0" (0), "1" (src), "2" (dst), "3" ((unative_t)cnt)
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    );
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    );
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    return ret;
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    return ret;
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}
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}
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{
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{
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    unative_t d0, d1;
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    unative_t d0, d1;
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    asm volatile (
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    asm volatile (
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        "rep stosw\n\t"
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        "rep stosw\n\t"
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        : "=&D" (d0), "=&c" (d1), "=a" (x)
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        : "=&D" (d0), "=&c" (d1), "=&a" (x)
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        : "0" (dst), "1" ((unative_t)cnt), "2" (x)
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        : "0" (dst), "1" ((unative_t)cnt), "2" (x)
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        : "memory"
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        : "memory"
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    );
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    );
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}
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}
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{
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{
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    unative_t d0, d1;
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    unative_t d0, d1;
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    asm volatile (
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    asm volatile (
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        "rep stosb\n\t"
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        "rep stosb\n\t"
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        : "=&D" (d0), "=&c" (d1), "=a" (x)
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        : "=&D" (d0), "=&c" (d1), "=&a" (x)
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        : "0" (dst), "1" ((unative_t)cnt), "2" (x)
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        : "0" (dst), "1" ((unative_t)cnt), "2" (x)
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        : "memory"
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        : "memory"
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    );
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    );
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}
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}