gEDA-dev: Icarus Verilog Snapshot 20070227

[Stephen Williams <steve-at-NOSPAMicarus_dot_com>]

It's been a BUSY month for Icarus Verilog development. Lots and
lots of bug fixes (although that obviously implies lots and lots
of bugs) and it's very much time for a new snapshot.

<ftp://ftp.icarus.com/pub/eda/verilog/snapshots/verilog-20070227.tar.gz>
<ftp://ftp.icarus.com/pub/eda/verilog/snapshots/verilog-20070227.txt>

Release Notes for Icarus Verilog Snapshot 20070227

* Fix some problems with specify block parsing. Detect some cases that
  are parsed but not properly implemented yet and issue warnings or
  errors. Also fixed a few problems with inertial delay model timing.

* Detect is some cases Verilog source errors that can be better
  reported to users. This includes more specific error messages for
  certain syntax errors.

* Fix problems with overridden continuous assignments.

* Hide bool types from logic type as far as VPI is concerned, for the
  sake of compatibility.

* Fix a variety of code generator expression lifetime bugs that caused
  obscure (and wrong) output results in behavioral code.

* iverilog-vpi uses the compiler selected at build time.

* Rework handling of strings to handle escape sequences properly.

* Fix some handling of real values in some expression types.

* Get padding of sized, unsigned numbers when x or z are involved.

* Many, many more misc. bug fixes.

* Add an assert mechinism that improves usefulness of bug reports by
  reporting source file line numbers when available.

* Compile fixes, using inttypes.h instead of stdint for portability.

* Various spelling fixes.



-- 
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."


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