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Make more code aarch64 friendly

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Justine Tunney 2023-05-02 13:38:16 -07:00
parent ca2860947f
commit 2b73e72d59
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GPG key ID: BE714B4575D6E328
568 changed files with 2197 additions and 1061 deletions
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6
libc/str/wcslen.c
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@ -30,6 +30,7 @@ typedef wchar_t xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
* @asyncsignalsafe
*/
noasan size_t wcslen(const wchar_t *s) {
#ifdef __x86_64__
size_t n;
xmm_t z = {0};
unsigned m, k = (uintptr_t)s & 15;
@ -40,4 +41,9 @@ noasan size_t wcslen(const wchar_t *s) {
n = (const wchar_t *)p + (__builtin_ctzl(m) >> 2) - s;
if (IsAsan()) __asan_verify(s, n);
return n;
#else
size_t n = 0;
while (*s++) ++n;
return n;
#endif
}