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Ugh, New Cadence and Old Cadence don't agree with each other. ncverilog seems to match Modelsim, but VCS gets something else altogether. I've opened a sticky can of worms here. Currently, Icarus Verilog 0.8 and CVS main trunk match ncverilog and Modelsim. I guess that's what I'll stick with for now. It's not unreasonable for there to be valid differences here, as the standard is not explicit on this particular scheduling issue. Stephen Brickles wrote: | Here is the 'verilogXL' output of these two files: | Compiling source file "nblkpush.v" | Highest level modules: | test | | PASSED | Compiling source file "sched2.v" | Highest level modules: | main | | FAILED -- q changed too soon? 1 | and the 'ncverilog' output - the results are reversed from 'verilogXL' !! | | shaun:/home/shaun/stephen> ncverilog nblkpush.v | ncverilog: 05.40-s009: (c) Copyright 1995-2005 Cadence Design Systems, Inc. | FAILED ab=0, abc=0, abcd=0 | abcd value changed late | ncsim: *W,RNQUIE: Simulation is complete. | shaun:/home/shaun/stephen> ncverilog sched2.v | PASSED - -- Steve Williams "The woods are lovely, dark and deep. steve at icarus.com But I have promises to keep, http://www.icarus.com and lines to code before I sleep, http://www.picturel.com And lines to code before I sleep." -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFCwHbgrPt1Sc2b3ikRAsNgAKCQRqj8UqaWHY0ucSzDbplCdUoT1wCfUwWp 28dD5R5k9neoKVzCgCg8Q8g= =3hkI -----END PGP SIGNATURE-----
