forked from KolibriOS/kolibrios
cde4fa851d
- Formatted by clang-format (WebKit-style). - Removed unnecessary errno linux. - Added KOS error codes. - String functions have been replaced with more optimal ones for x86. - Changed wrappers for 70 sysfunction. git-svn-id: svn://kolibrios.org@9765 a494cfbc-eb01-0410-851d-a64ba20cac60
22 lines
484 B
C
22 lines
484 B
C
#include <string.h>
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int strcmp(const char* s1, const char* s2)
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{
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int d0, d1;
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register int __res;
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__asm__ __volatile__(
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"1:\tlodsb\n\t"
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"scasb\n\t"
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"jne 2f\n\t"
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"testb %%al,%%al\n\t"
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"jne 1b\n\t"
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"xorl %%eax,%%eax\n\t"
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"jmp 3f\n"
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"2:\tsbbl %%eax,%%eax\n\t"
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"orb $1,%%al\n"
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"3:"
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: "=a"(__res), "=&S"(d0), "=&D"(d1)
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: "1"(s1), "2"(s2));
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return __res;
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}
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