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use AVX-512F setzero instead of set1_epi8 #1101

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use AVX-512F setzero instead of set1_epi8 #1101

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2 changes: 1 addition & 1 deletion xxhash.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5076,7 +5076,7 @@ XXH3_initCustomSecret_avx512(void* XXH_RESTRICT customSecret, xxh_u64 seed64)
(void)(&XXH_writeLE64);
{ int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m512i);
__m512i const seed_pos = _mm512_set1_epi64((xxh_i64)seed64);
__m512i const seed = _mm512_mask_sub_epi64(seed_pos, 0xAA, _mm512_set1_epi8(0), seed_pos);
__m512i const seed = _mm512_mask_sub_epi64(seed_pos, 0xAA, _mm512_setzero_si512(), seed_pos);

const __m512i* const src = (const __m512i*) ((const void*) XXH3_kSecret);
__m512i* const dest = ( __m512i*) customSecret;
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