Loading AVX Registers Loading 8 chars vpmovzxbd __m256i _mm256_cvtepu8_epi16 (__m128i a) // vpmovzxbw ymm, xmm (avx2) Load 16 bit integers in AVX2 vector? Fastest way to set __m256 value to all ONE bits / Set all bits in CPU register to 1 efficiently What are the best instruction sequences to generate vector constants on the fly? Load address calculation when using AVX2 gather instructions Written on November 7, 2022, Last update on December 11, 2022 c++ avx