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Make progress towards aarch64 build

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This commit is contained in:
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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4
libc/intrin/countbits.c
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@ -40,6 +40,7 @@ size_t _countbits(const void *a, size_t n) {
p = a;
e = p + n;
if (!IsTiny()) {
#ifdef __x86_64__
if (X86_HAVE(POPCNT)) {
while (p + sizeof(long) * 4 <= e) {
__builtin_memcpy(&Ai, p + 000, sizeof(long));
@ -60,6 +61,7 @@ size_t _countbits(const void *a, size_t n) {
t += Ao;
}
} else {
#endif
while (p + 8 <= e) {
__builtin_memcpy(&x, p, 8);
x = x - ((x >> 1) & 0x5555555555555555);
@ -71,7 +73,9 @@ size_t _countbits(const void *a, size_t n) {
t += x;
p += 8;
}
#ifdef __x86_64__
}
#endif
}
while (p < e) {
b = *p++ & 255;