#x86 and #amd64 MOVZX instruction doesn't take an immediate argument. #asm
on 02023-07-03an #SSE widening dot-product operation in #X86/#amd64. With 128-bit operands, it does 8 16-bit multiplies and adds pairs of the 8 32-bit products to get 4 32-bit sums, which fit into the destination register.
on 02016-08-08