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Verification Continuum
TM
VCS
®
Release Notes
T-2022.06, June 2022
ii
Copyright Notice and Proprietary Information
2022 Synopsys, Inc. All rights reserved. This Synopsys software and all associated documentation are proprietary to Synopsys,
Inc. and may only be used pursuant to the terms and conditions of a written license agreement with Synopsys, Inc. All other use,
reproduction, modification, or distribution of the Synopsys software or the associated documentation is strictly prohibited.
Third-Party Software Notices
VCS® and configurations of VCS includes or is bundled with software licensed to Synopsys under free or open-source
licenses. For additional information regarding Synopsys's use of free and open-source software, refer to the
third_party_notices.txt file included within the <install_path>/doc directory of the installed VCS software.
Destination Control Statement
All technical data contained in this publication is subject to the export control laws of the United States of America.
Disclosure to nationals of other countries contrary to United States law is prohibited. It is the reader's responsibility to
determine the applicable regulations and to comply with them.
Disclaimer
SYNOPSYS, INC., AND ITS LICENSORS MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH
REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Trademarks
Synopsys and certain Synopsys product names are trademarks of Synopsys, as set forth at
https://www.synopsys.com/company/legal/trademarks-brands.html.
All other product or company names may be trademarks of their respective owners.
Free and Open-Source Software Licensing Notices
If applicable, Free and Open-Source Software (FOSS) licensing notices are available in the product installation.
Third-Party Links
Any links to third-party websites included in this document are for your convenience only. Synopsys does not endorse
and is not responsible for such websites and their practices, including privacy practices, availability, and content.
www.synopsys.com
iii
Contents
Contents
1. Introduction
Encryption Keys for IEEE 1735 Encryption . . . . . . . . . . . . . . 1-2
2. VCS Licensing
Licensing Quickstart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
License Changes S-2021.09 Onwards . . . . . . . . . . . . . . . . . . . . 2-5
3. New Features in This Release
Language and LRM Support Enhancements . . . . . . . . . . . . . . . 3-1
MX Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
AMS Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
SystemVerilog Enhancements. . . . . . . . . . . . . . . . . . . . . . . . 3-6
Verification Productivity Improvements . . . . . . . . . . . . . . . . . . . . 3-7
Coverage Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Assertions Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Low Power Enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
SystemC Enhancement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
iv
Contents
Improved simprofile Option for SystemC Support . . . . . . . . . 3-11
Extensions to SystemVerilog. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
4. LCA Features
Enabling LCA Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
New LCA Features in This Release. . . . . . . . . . . . . . . . . . . . . . . 4-2
Language and LRM Support Enhancement . . . . . . . . . . . . . 4-2
AMS Enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Support for New Solver Mode and New Orchestration . . . . . . . . 4-4
Available LCA Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Support for Dynamic Test Loading. . . . . . . . . . . . . . . . . . . . . 4-6
VCS Performance Tuning Using Dynamic Performance Optimizer
(DPO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
SDC Verification With Simulation. . . . . . . . . . . . . . . . . . . . . . 4-7
Unified Simulation Profiler Feature . . . . . . . . . . . . . . . . . . . . 4-7
Dynamic Reconfiguration at Runtime . . . . . . . . . . . . . . . . . . 4-8
VCS Mixed HDL Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Analog Mixed-Signal Features. . . . . . . . . . . . . . . . . . . . . . . . 4-12
Assertion Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Partition Compile Features . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Precompiled IP Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Compilation Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
Coverage Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Echo Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
VCS NLP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
v
Contents
SystemC Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
SystemVerilog Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-46
Verification Planner Features. . . . . . . . . . . . . . . . . . . . . . . . . 4-49
Xprop Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Simulation Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
FGP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54
5. Supported Platforms and Products
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Availability of VCS as a Single Linux Executable . . . . . . . . . 5-3
Valgrind Version Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
GDB Path to Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
aarch64 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Debian Platform Support Notes . . . . . . . . . . . . . . . . . . . . . . . 5-4
Ubuntu Platform Support Notes. . . . . . . . . . . . . . . . . . . . . . . 5-6
Environment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
VCS SystemC Cosimulation Interface. . . . . . . . . . . . . . . . . . . . . 5-8
Downloading and Installing VG_GNU_PACKAGE . . . . . . . . . . . 5-9
Installing and Setting Up Outside a VCS Image . . . . . . . . . . 5-10
Using GNU Package Without Changing PATH . . . . . . . . . . . 5-12
Installing and Setting Up Inside a VCS Image. . . . . . . . . . . . 5-13
VG_GNU_PACKAGE: Libraries Append to the Front of
LD_LIBRARY_PATH . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Support for Synopsys SmartModel/FlexModel/Mempro . . . . . . . 5-15
Tested Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
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