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Make progress towards aarch64 build

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Justine Tunney 2023-05-01 19:43:59 -07:00
parent 08ff26c817
commit ca2860947f
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GPG key ID: BE714B4575D6E328
15428 changed files with 25694 additions and 23138 deletions
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6
libc/intrin/strlen.c
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@ -30,6 +30,7 @@ typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
* @asyncsignalsafe
*/
noasan size_t strlen(const char *s) {
#ifdef __x86_64__
size_t n;
xmm_t z = {0};
unsigned m, k = (uintptr_t)s & 15;
@ -39,4 +40,9 @@ noasan size_t strlen(const char *s) {
while (!m) m = __builtin_ia32_pmovmskb128(*++p == z);
n = (const char *)p + __builtin_ctzl(m) - s;
return n;
#else
size_t n = 0;
while (*s++) ++n;
return n;
#endif
}