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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 9765 | turbocat | 1 | /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */ |
| 2 | #include |
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| 3 | |||
| 4 | int strncmp(const char* s1, const char* s2, size_t n) |
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| 5 | { |
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| 6 | register int __res; |
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| 7 | int d0, d1, d2; |
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| 8 | __asm__ __volatile__( |
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| 9 | "1:\tdecl %3\n\t" |
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| 10 | "js 2f\n\t" |
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| 11 | "lodsb\n\t" |
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| 12 | "scasb\n\t" |
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| 13 | "jne 3f\n\t" |
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| 14 | "testb %%al,%%al\n\t" |
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| 15 | "jne 1b\n" |
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| 16 | "2:\txorl %%eax,%%eax\n\t" |
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| 17 | "jmp 4f\n" |
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| 18 | "3:\tsbbl %%eax,%%eax\n\t" |
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| 19 | "orb $1,%%al\n" |
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| 20 | "4:" |
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| 21 | : "=a"(__res), "=&S"(d0), "=&D"(d1), "=&c"(d2) |
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| 22 | : "1"(s1), "2"(s2), "3"(n)); |
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| 23 | return __res; |
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| 24 | } |