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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-23 10:46:57 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-23 10:46:57 +0000 |
| commit | 1e0c4ca7448cf41bd38742ae885c9da6f4e48d97 (patch) | |
| tree | 3908c0720db2470fefbc4c0824401dbf45862f83 /libc/string/i386/strlen.c | |
| parent | 7bca85d261904a0a67f2e514b6c4972128561156 (diff) | |
| download | uClibc-alpine-1e0c4ca7448cf41bd38742ae885c9da6f4e48d97.tar.bz2 uClibc-alpine-1e0c4ca7448cf41bd38742ae885c9da6f4e48d97.tar.xz | |
sync with trunk. Compile tested on i386
Diffstat (limited to 'libc/string/i386/strlen.c')
| -rw-r--r-- | libc/string/i386/strlen.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libc/string/i386/strlen.c b/libc/string/i386/strlen.c index 61a178393..ff2baeb38 100644 --- a/libc/string/i386/strlen.c +++ b/libc/string/i386/strlen.c @@ -32,17 +32,17 @@ #include <string.h> -/* Experimentally off - libc_hidden_proto(strlen) */ +#undef strlen size_t strlen(const char *s) { - int d0; - register int __res; - __asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "notl %0\n\t" - "decl %0" - :"=c" (__res), "=&D" (d0) :"1" (s),"a" (0), "0" (0xffffffff)); - return __res; + int eax, ecx, edi; + __asm__ __volatile__( + " repne; scasb\n" + " notl %%ecx\n" + " leal -1(%%ecx), %%eax\n" + : "=&c" (ecx), "=&D" (edi), "=&a" (eax) + : "0" (0xffffffff), "1" (s), "2" (0) + ); + return eax; } libc_hidden_def(strlen) |