Verilator

Verilator 3.670 2008/07/23

• Add --x-assign=fast option, and make it the default. This chooses performance over reset debugging. See the manual.

• Add --autoflush, for flushing streams after $display. [Steve Tong]

• Add CASEZWITHX lint warning and if disabled fix handling of casez with Xs.

• Add $feof, $fgetc, $fgets, $fflush, $fscanf, $sscanf. [Holger Waechtler]

• Add $stime. [Holger Waechtler]

• Add $random.

• Add --Wfuture-, for improving forward compatibility.

• Fix verilator_includer not being installed properly. [Holger Waechtler]

• Fix IMPURE errors due to X-assignment temporary variables. [Steve Tong]

• Fix "lvalue" errors with public functions; bug25. [CY Wang]

• Add WIDTH warning to $fopen etc file descriptors.

• Internal changes to how $displays get compiled and executed.

Verilator 3.665 2008/06/25

• Ignore "// verilator" comments alone on endif lines. [Rodney Sinclair]

• "Make install" now installs verilator_includer and verilator_profcfunc.

• Fix tracing missing changes on undriven public wires. [Rodney Sinclair]

• Fix syntax error when "`include `defname" is ifdefed. [John Dickol]

• Fix error when macro call has commas in concatenate. [John Dickol]

• Fix compile errors under Fedora 9, GCC 4.3.0. [by Jeremy Bennett]

• Fix Makefile to find headers/libraries under prefix. [by Holger_Waechtler]

Anonymous git access has been added to the Verilator source repository. This allows retrieval to the current un-released development code, in addition to all recent released versions.

For more details, see http://www.veripool.org/wiki/verilator/Installing

This replaces the 3.663 kit which will be deleted.

Verilator 3.663 2008/05/08

• Fix missing file in kit.

Verilator 3.663 2008/05/07

• Add DESTDIR to Makefiles to assist RPM construction. [Gunter Dannoritzer]

• Fix compiler warnings under GCC 4.2.1.

• Fix preprocessor `else after series of `elsif. [Mark Nodine]

• Fix parametrized defines calling define with comma. [Joshua Wise]

• Fix comma separated list of primitives. [by Bryan Brady]

Verilator 3.662 2008/04/25

• Add Verilog 2005 $clog2() function. This is useful in calculating bus-widths from parameters.

• Support /**/ comments in -f option files. [Stefan Thiede]

• Add error message when modules have duplicate names. [Stefan Thiede]

• Support defines terminated in EOF, though against spec. [Stefan Thiede]

• Support optional argument to $finish and $stop. [by Stefan Thiede]

• Support ranges on gate primitive instantiations. [Stefan Thiede]

• Ignore old standard(ish) Verilog-XL defines. [by Stefan Thiede]

• Fix "always @ ((a) or (b))" syntax error. [by Niranjan Prabhu]

• Fix "output reg name=expr;" syntax error. [Martin Scharrer]

• Fix multiple .v files being read in random order. [Stefan Thiede]

• Fix internal error when params get non-constants. [Johan Wouters]

• Fix bug introduced in 3.661 with parametrized defines.

Verilator 3.661 2008/04/04

• The --enable-defenv configure option added in 3.660 is now the default. This hard-codes a default for VERILATOR_ROOT etc in the executables.

• Add --language option for supporting older code. [Stefan Thiede]

• Add --top-module option to select between multiple tops. [Stefan Thiede]

• Unsized concatenates now give WIDTHCONCAT warnings. [Jonathan Kimmitt] Previously they threw fatal errors, which in most cases is correct according to spec, but can be incorrect in presence of parameter values.

• Support functions with "input integer". [Johan Wouters]

• Ignore delays attached to gate UDPs. [Stefan Thiede]

• Fix SystemVerilog parameterized defines with `` expansion, and fix extra whitespace inserted on substitution. [Vladimir Matveyenko]

• Fix no-module include files on command line. [Stefan Thiede]

• Fix dropping of backslash quoted-quote at end of $display.

• Fix task output pin connected to non-variables. [Jonathan Kimmitt]

• Fix missing test_v in install datadir. [Holger Waechtler]

• Fix internal error after MSB < LSB error reported to user. [Stefan Thiede]

Verilator 3.660 2008/03/23

• Add support for hard-coding VERILATOR_ROOT etc in the executables, to enable easier use of Verilator RPMs. [Gunter Dannoritzer]

• Allow multiple .v files on command line. [Stefan Thiede]

• Convert re-defining macro error to warning. [Stefan Thiede]

• Add --error-limit option. [Stefan Thiede]

• Allow __ in cell names by quoting them in C. [Stefan Thiede]

• Fix genvar to be signed, so "< 0" works properly. [Niranjan Prabhu]

• Fix assignments to inputs inside functions/tasks. [Patricio Kaplan]

• Fix definitions in main file.v, referenced in library. [Stefan Thiede]

• Fix undefined assigns to be implicit warnings. [Stefan Thiede]