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has developed a C-subset called BDL for High-Level
Synthesis. This C-subset includes its own data types (called var-class), special constants for hardware design e.g. high impedance, timing descriptors and control statements.
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As BDL is meant for
Hardware synthesis, the complete ANSI-C syntax is not supported. The principal unsupported operations are: (i) Floating point data types (ii)
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with extensions for hardware description, developed to describe hardware at levels ranging from the algorithm level to the functional level.
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Although the term
Behavioral Description Language is a generic term and can refer to multiple high-level description languages,
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BDL is sometimes also known as Cyber C because it is synthesized using NEC's High-Level
Synthesis tool called CyberWorkBench
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Wakabayashi, K.; Okamoto, T. (2006). "C-based SoC design flow and EDA tools: an ASIC and system vendor perspective".
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IEEE Transactions on
Computer-Aided Design of Integrated Circuits and Systems
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operator (iii) unions and (iv) Recursive functions.
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