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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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8
libc/intrin/stpcpy.c
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@ -21,6 +21,7 @@
typedef char xmm_u __attribute__((__vector_size__(16), __aligned__(1)));
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
#ifdef __x86_64__
static inline noasan size_t stpcpy_sse2(char *d, const char *s, size_t i) {
xmm_t v, z = {0};
for (;;) {
@ -34,6 +35,7 @@ static inline noasan size_t stpcpy_sse2(char *d, const char *s, size_t i) {
}
return i;
}
#endif
/**
* Copies bytes from 𝑠 to 𝑑 until a NUL is encountered.
@ -45,13 +47,15 @@ static inline noasan size_t stpcpy_sse2(char *d, const char *s, size_t i) {
* @asyncsignalsafe
*/
char *stpcpy(char *d, const char *s) {
size_t i;
for (i = 0; (uintptr_t)(s + i) & 15; ++i) {
size_t i = 0;
#ifdef __x86_64__
for (; (uintptr_t)(s + i) & 15; ++i) {
if (!(d[i] = s[i])) {
return d + i;
}
}
i = stpcpy_sse2(d, s, i);
#endif
for (;;) {
if (!(d[i] = s[i])) {
return d + i;