Function sz_fill_serial

include/stringzilla/memory.h:321–336

#pragma optimize("", off)
#endif
SZ_PUBLIC void sz_fill_serial(sz_ptr_t target, sz_size_t length, sz_u8_t value) {
    sz_ptr_t end = target + length;
    // Dealing with short strings, a single sequential pass would be faster.
    // If the size is larger than 2 words, then at least 1 of them will be aligned.
    // But just one aligned word may not be worth SWAR.
    if (length < SZ_SWAR_THRESHOLD)
        while (target != end) *(target++) = value;

    // In case of long strings, skip unaligned bytes, and then fill the rest in 64-bit chunks.
    else {
        sz_u64_t value64 = (sz_u64_t)value * 0x0101010101010101ull;
        while ((sz_size_t)target & 7ull) *(target++) = value;
        while (target + 8 <= end) *(sz_u64_t *)target = value64, target += 8;
        while (target != end) *(target++) = value;
    }
}
#if defined(_MSC_VER) && defined(SZ_OVERRIDE_LIBC) && SZ_OVERRIDE_LIBC
#pragma optimize("", on)
#endif