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irun/ncsim/ncvlog SystemVerilog support options

SimhanAnalog

I see the following options for SystemVerilog in irun/ncsim/ncvlog. Why are there two options for SV 2005 and 2009.

What option to use for the latest SystemVerilog 2012(IEEE 1800-2012 SystemVerilog) standard?

-SV -- Enable SystemVerilog features
-SYSV05 -- Enable SystemVerilog features with only SV-2005 and earlier keywords
-SYSV09 -- Enable SystemVerilog features with only SV-2009 and earlier keywords
-SYSV2005 -- Enable SystemVerilog features with only SV-2005 and earlier keywords
-SYSV2009 -- Enable SystemVerilog features with only SV-2009 and earlier keywords

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  • Thanks for the reply. I have my files as .sv only. So I am not using any switches. But when I run irun(version irun: 14.20-s033) I always get a warning. So I thought cadence supports SV 2005 by default and we need to use -sem2009 to use SV 2009 which by the warning suggests that it would be default in future release. But there is no mention of SV 2012 in the warning which made me wrongly conclude that cadence is yet to support SV 2012.

    ncsim: *W,WSEM2009: This SystemVerilog simulation was not run with the '-sem2009' option which provides 1800-2009 SystemVerilog simulation semantics. In future, '-sem2009' functionality will become the default for SystemVerilog environments. Until then, run your SystemVerilog simulations using the '-sem2009' option and report any functional or performance issues to Cadence. To disable this warning, use the '-nowarn WSEM2009' command-line option. There is no impact to non-SystemVerilog environments
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  • Thanks for the reply. I have my files as .sv only. So I am not using any switches. But when I run irun(version irun: 14.20-s033) I always get a warning. So I thought cadence supports SV 2005 by default and we need to use -sem2009 to use SV 2009 which by the warning suggests that it would be default in future release. But there is no mention of SV 2012 in the warning which made me wrongly conclude that cadence is yet to support SV 2012.

    ncsim: *W,WSEM2009: This SystemVerilog simulation was not run with the '-sem2009' option which provides 1800-2009 SystemVerilog simulation semantics. In future, '-sem2009' functionality will become the default for SystemVerilog environments. Until then, run your SystemVerilog simulations using the '-sem2009' option and report any functional or performance issues to Cadence. To disable this warning, use the '-nowarn WSEM2009' command-line option. There is no impact to non-SystemVerilog environments
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