I am new to VHDL programming (although I've programmed in other languages like C++, java, etc.). I've been searching the web for help in writing a 4 bit multiplier (i.e. 0111 x 0110). I found ...

Breadboarding A 4-bit ALU. 8 Comments ... If you use structural definitions in say VHDL, the software will probably do a bad job translating the structural definitions into effcient code.

In this paper VHDL implementation of 8-bit Arithmetic Logic Unit (ALU) is presented. The design was implemented using VHDL Xilinx Synthesis tool ISE 13.1 ...