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Posts Tagged ‘semantic analysis’

The Evolution of RTL Lint

Thursday, November 27th, 2014

This article was originally published on TechDesignForums and is reproduced here by permission.

It’s tempting to see lint in the simplest terms: ‘I run these tools to check that my RTL code is good. The tool checks my code against accumulated knowledge, best practices and other fundamental metrics. Then I move on to more detailed analysis.’

It’s an inherent advantage of automation that it allows us to see and define processes in such a straightforward way. It offers control over the complexity of the design flow. We divide and conquer. We know what we are doing.

Yet linting has evolved and continues to do so. It covers more than just code checking. We begun with verifying the ‘how’ of the RTL but we have moved on into the ‘what’ and ‘why’. We use linting today to identify and confirm the intent of the design.

A lint tool, like our own Ascent Lint, is today one of the components of early stage functional verification rather than a precursor to it, as was once the case.

At Real Intent, we have developed this three-stage process for verifying RTL: (more…)

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