contrib/libs/base64/avx2/enc_avx2.c


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// If we have AVX2 support, pick off 24 bytes at a time for as long as we can. 
// But because we read 32 bytes at a time, ensure we have enough room to do a 
// full 32-byte read without segfaulting: 
while (srclen >= 32) 
{ 
	// Load string: 
	__m256i str = _mm256_loadu_si256((__m256i *)c); 
 
	// Reshuffle: 
	str = enc_reshuffle(str); 
 
	// Translate reshuffled bytes to the Base64 alphabet: 
	str = enc_translate(str); 
 
	// Store: 
	_mm256_storeu_si256((__m256i *)o, str); 
 
	c += 24;	// 6 * 4 bytes of input 
	o += 32;	// 8 * 4 bytes of output 
	outl += 32; 
	srclen -= 24; 
}