4.4 Performance Checks

DVT IDE for VS Code SystemVerilog User Guide

Rev. 23.1.8, 29 March 2023

Installation
- System Requirements
- Install DVT for VS Code from Marketplace
- Install DVT for VS Code from VSIX
- Install DVT for VS Code Using a Pre-Packed Distribution
- Set the License
Predefined Projects
Build Configurations
- Project Natures
- Non-top files
- default.build
- Auto-config
- Simulator Log-config
- Emulating compiler invocations
- Multiple .build Files
- Compatibility Modes
- Paths
- Strings
- Comments
- Environment Variables
- Including Other Argument Files
- All Build Directives
- SystemVerilog OVM or UVM Library Compilation
- Xilinx Libraries Compilation
- Intel(Altera) Quartus Libraries Compilation
- Questa Libraries Compilation
- Use of External Programs
> Compile Checks
- Compile Waivers
- Semantic Checks
- Synthesis Checks
- > Performance Checks
- Dead Code Checks
- Non Standard Checks
Quick Fix Proposals
Content Assist (Autocomplete)
- Content Assist for CamelCase and Underscore
- Code Templates
- Module Automatic Instantiation
- Override Functions Using Autocomplete
- Implement Extern Functions Using Autocomplete
- Generate Setters and Getters Using Autocomplete
- Use Assignment Pattern for Struct Type Variable
Hyperlinks
Show Usages
Show Readers or Writers
Show Call Hierarchy
Show Type Hierarchy
Show Constraints
Show Instances
Peek Exploration
Refactoring
Override Functions
- Override Annotation
- Override Using Command Palette
- Override Using Autocomplete
Generate Setters and Getters
Code Factory
Code Formatting
- Whitespace
- Indentation
- Vertical Alignment
- Line Wrapping
- Disable Format for Code Sections
Breadcrumb Navigation Bar
- Design Breadcrumb
- Verification Breadcrumb
- Scope Breadcrumb
Diagrams
- UML Diagrams
- Design Diagrams
- UVM Components Diagrams
- WaveDrom Timing Diagrams
- Bit Field Diagrams
  - Bit Field Diagrams for UVM registers
  - Bit Field Diagrams for packed data types
- Common Diagram Actions
- Common Diagram Toolbar
Syntax Coloring
Tooltips
- Comments Formatting
  - Javadoc
  - Natural Docs
Workspace Symbols
Views
- Problems View
- Outline View
- Compiled Files View
- Compile Order View
- Design Hierarchy View
- Verification Hierarchy View
- Diagnostics View
Quick Search in Views
- CamelCase
- Simple Regex
- Hierarchical Search
- Search for Members
- Search Port in Design Hierarchy
- Search Port in Verification Hierarchy
Content Filters
- Content Filters XML Syntax
- Filtering by Element Type
- Content Filters Examples
- Predefined Content Filters
Macros Support
- Inactive Code Highlight
- Macro Expansion
External Tools Integration
UVM Support
- Show UVM Sequence Tree
Scripts
- dvt_code.sh
  - dvt_code.sh Syntax
  - dvt_code.sh Examples
- dvt_ls.sh
  - dvt_ls.sh Syntax
  - dvt_ls.sh Examples
Custom Scripts
SCM Checkout Hook
Application Notes
- Flow Integration
- Environment Variables
- Design Elaboration
- Compilation Speed-up
- Encrypted VIP Support
- FPGA Support
  - Intel(Altera) Quartus
    - Intel(Altera) Quartus Libraries Compilation
  - Xilinx ISE/Vivado
    - Xilinx Libraries Compilation
Handy VS Code Documentation Pointers
What is New?
How to Report an Issue?
Legal Notices
Third Party Licenses
Q & A
- Can I deactivate DVT support for a workspace even though one of my workspace folders contains a .dvt directory?

4.4 Performance Checks

ID	Message
ASSIGNMENT_NON_BLOCKING	Non-blocking assignment of # in combinational logic (use blocking assignment)
ASSIGNMENT_NON_BLOCKING	Non-blocking assignment of local variable # (use blocking assignment)
SENSITIVITY_UNUSED	The process is not sensitive to #

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