wim questions

wim answers

• AVX2 Transpose of a matrix represented by 8x __m256i registers
• Multishift operation
• Is there an function in AVX512 like _mm512_sign_epi16 (__m512i a, __m512i b)
• set individual bit in AVX register (__m256i), need "random access" operator
• Horizontal XOR in AVX
• Setting last or first n bits in SSE register
• Extract set bytes position from SIMD vector
• How to properly compare an integer and a floating-point value?
• "Assume" clause in gcc
• How do I broadcast the lowest word of a __m256i?