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diff --git a/doc/using/Synthesis.rst b/doc/using/Synthesis.rst index 23924fd94..3301d87d1 100644 --- a/doc/using/Synthesis.rst +++ b/doc/using/Synthesis.rst @@ -13,6 +13,17 @@ Hence, the netlists generated by GHDL are not optimised. .. NOTE:: Due to GHDL's modular architecture (see :ref:`INT:Overview`), the synthesis kernel shares the VHDL parsing front-end with the simulation back-ends. Hence, available options for synthesis are the same as for analysis and/or simulation elaboration (see :ref:`GHDL:options`). +.. HINT:: + Multiple pragmas are supported for preventing blocks of code from being synthesized: + + ``-- pragma|synopsys|synthesis (synthesis|translate)( |_)(on|off)`` + + For example: + + - ``-- pragma translate off`` + - ``-- synthesis translate_on`` + - ``-- synopsys synthesis_off`` + .. index:: synthesis command .. _Synth:command: |