Xilinx Vivado 20202 Fixed ~repack~ Now

Xilinx Vivado 2020.2 represents a significant evolutionary step in the design suite, primarily focusing on foundational architectural changes and critical bug fixes from the previous 2020.1 release

This document details the specific fixes, known issues, and new features for version 2020.2. You can find it on the AMD/Xilinx Documentation Portal Fixed-Point Library (HLS): If your query refers to fixed-point arithmetic, the Vivado HLS User Guide (UG902) Vitis HLS documentation xilinx vivado 20202 fixed

These fixes made timing closure more predictable, especially for complex multi-clock designs like PCIe Gen4 and 100G Ethernet interfaces. Xilinx Vivado 2020

for a Linux or Windows environment to ensure these fixes are applied correctly? 75186 - Vivado Design Suite 2020.x - Known Issues 75186 - Vivado Design Suite 2020

Vivado HLS (now Vitis HLS) saw multiple critical fixes in 2020.2. Prior versions suffered from C/RTL co-simulation mismatches when using arbitrary precision types ( ap_int<> ) with bitwise operations. Developers using Xilinx’s own library of DSP functions (FIR, FFT) occasionally encountered incorrect RTL generation for streaming data.

Should You Upgrade? A Decision Matrix

Alternatively, use the new xlcm (Xilinx License Configuration Manager) which was fixed in 2020.2 to correctly parse floating licenses over VPN.

Symptom:

Power estimator shows 0W for Versal CVM1848. Fix: Download the standalone Power Estimator (PEEP) for 2020.2 from Xilinx.com. Do not rely on the in-tool estimator for Versal on 2020.2.