xilinx and modelsim weird error check

[osama91]

hi am using Xilinx for my project and modelsim as simulator and am facing weird problem which is sometimes when am going to simulate Xilinx dosent show me any error while modelsim show me errors in the code I want to know why Xilinx sometimes doesn't show me errors while modelsim do and how to fix this

 

[sharath666]

Please post the error..How are we supposed to know?

 

[TrickyDicky]

Possibly because of two implementations of the rules. I would always beleive modelsim (and many other compilers) over xilinx.

Please post the error.