Verilog simulation Flags

Apparently, there is no Verilog standard to say «hey we are on simulation here». Each software have it’s own flag for that.

Xilinx iSim

`ifdef XILINX_ISIM
  // code for simulation with isim
`else
  // code for synthesis
`endif

Mentor Modelsim

`ifdef MODEL_TECH
  // code for simulation with modelsim
`else
  // code for synthesis
`endif

Icarus Verilog

?

Cocotb

`ifdef COCOTB_SIM
  // code for simulation with cocotb (should be cumulated with other simulator I think)
`else
  // code for synthesis
`endif

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