Why is VHDL rotate_left synthesized incorrectly in the Intel® Quartus® Prime Pro Edition Software? - Why is VHDL rotate_left synthesized incorrectly in the Intel® Quartus® Prime Pro Edition Software? Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 21.1 and earlier, you may see VHDL rotate_left(data, distance) is synthesized incorrectly when data width is not a power of 2 and distance is more than 2^8. Resolution There is no workaround for this problem. This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 21.2. Custom Fields values: ['novalue'] Troubleshooting 1508970479 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 21.2 21.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']